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diff --git a/api/Common_Core_CellArray.html b/api/Common_Core_CellArray.html index 9473b0413a0..a619479d5c7 100644 --- a/api/Common_Core_CellArray.html +++ b/api/Common_Core_CellArray.html @@ -48,8 +48,8 @@ - - + + @@ -295,7 +295,7 @@

diff --git a/api/Common_Core_ClassHierarchy.html b/api/Common_Core_ClassHierarchy.html index df699d7bdfb..05e474c792d 100644 --- a/api/Common_Core_ClassHierarchy.html +++ b/api/Common_Core_ClassHierarchy.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

diff --git a/api/Common_Core_DataArray.html b/api/Common_Core_DataArray.html index 75d3ea7ad81..bece177ed64 100644 --- a/api/Common_Core_DataArray.html +++ b/api/Common_Core_DataArray.html @@ -48,8 +48,8 @@ - - + + @@ -922,7 +922,7 @@

diff --git a/api/Common_Core_Endian.html b/api/Common_Core_Endian.html index 34329531895..9170d5322f3 100644 --- a/api/Common_Core_Endian.html +++ b/api/Common_Core_Endian.html @@ -48,8 +48,8 @@ - - + + @@ -141,7 +141,7 @@

diff --git a/api/Common_Core_HalfFloat.html b/api/Common_Core_HalfFloat.html index d353a4ce001..0e68e02605c 100644 --- a/api/Common_Core_HalfFloat.html +++ b/api/Common_Core_HalfFloat.html @@ -48,8 +48,8 @@ - - + + @@ -152,7 +152,7 @@

diff --git a/api/Common_Core_ImageHelper.html b/api/Common_Core_ImageHelper.html index bb9f37af4fd..7271bc50ed0 100644 --- a/api/Common_Core_ImageHelper.html +++ b/api/Common_Core_ImageHelper.html @@ -48,8 +48,8 @@ - - + + @@ -165,7 +165,7 @@

diff --git a/api/Common_Core_LookupTable.html b/api/Common_Core_LookupTable.html index 2b3514036fb..8298c50d89e 100644 --- a/api/Common_Core_LookupTable.html +++ b/api/Common_Core_LookupTable.html @@ -48,8 +48,8 @@ - - + + @@ -553,7 +553,7 @@

diff --git a/api/Common_Core_Math.html b/api/Common_Core_Math.html index 46a5dd17e46..4a4299f0a0a 100644 --- a/api/Common_Core_Math.html +++ b/api/Common_Core_Math.html @@ -48,8 +48,8 @@ - - + + @@ -2840,7 +2840,7 @@

diff --git a/api/Common_Core_MatrixBuilder.html b/api/Common_Core_MatrixBuilder.html index 080451d30b9..29703a797e4 100644 --- a/api/Common_Core_MatrixBuilder.html +++ b/api/Common_Core_MatrixBuilder.html @@ -48,8 +48,8 @@ - - + + @@ -375,7 +375,7 @@

diff --git a/api/Common_Core_Points.html b/api/Common_Core_Points.html index 046d94ec1d7..fd3ce0bdf2e 100644 --- a/api/Common_Core_Points.html +++ b/api/Common_Core_Points.html @@ -48,8 +48,8 @@ - - + + @@ -328,7 +328,7 @@

diff --git a/api/Common_Core_PriorityQueue.html b/api/Common_Core_PriorityQueue.html index a3aa80a1304..af494f9b784 100644 --- a/api/Common_Core_PriorityQueue.html +++ b/api/Common_Core_PriorityQueue.html @@ -48,8 +48,8 @@ - - + + @@ -206,7 +206,7 @@

diff --git a/api/Common_Core_ProgressHandler.html b/api/Common_Core_ProgressHandler.html index 01e17ea185a..9bd7e886794 100644 --- a/api/Common_Core_ProgressHandler.html +++ b/api/Common_Core_ProgressHandler.html @@ -48,8 +48,8 @@ - - + + @@ -198,7 +198,7 @@

diff --git a/api/Common_Core_ScalarsToColors.html b/api/Common_Core_ScalarsToColors.html index df6734315fa..bba41339216 100644 --- a/api/Common_Core_ScalarsToColors.html +++ b/api/Common_Core_ScalarsToColors.html @@ -48,8 +48,8 @@ - - + + @@ -816,7 +816,7 @@

- + PrevNext diff --git a/api/Common_Core_StringArray.html b/api/Common_Core_StringArray.html index b2c89a05cf9..52864cb8c7b 100644 --- a/api/Common_Core_StringArray.html +++ b/api/Common_Core_StringArray.html @@ -48,8 +48,8 @@ - - + + @@ -277,7 +277,7 @@

diff --git a/api/Common_Core_URLExtract.html b/api/Common_Core_URLExtract.html index 8eb615692b0..3ad1b8f7033 100644 --- a/api/Common_Core_URLExtract.html +++ b/api/Common_Core_URLExtract.html @@ -48,8 +48,8 @@ - - + + @@ -156,7 +156,7 @@

diff --git a/api/Common_Core_VariantArray.html b/api/Common_Core_VariantArray.html index 8df0e27c987..5b1f49d38b0 100644 --- a/api/Common_Core_VariantArray.html +++ b/api/Common_Core_VariantArray.html @@ -48,8 +48,8 @@ - - + + @@ -277,7 +277,7 @@

diff --git a/api/Common_DataModel_AbstractPointLocator.html b/api/Common_DataModel_AbstractPointLocator.html index 58f4a395502..0695ed9b345 100644 --- a/api/Common_DataModel_AbstractPointLocator.html +++ b/api/Common_DataModel_AbstractPointLocator.html @@ -48,8 +48,8 @@ - - + + @@ -178,7 +178,7 @@

diff --git a/api/Common_DataModel_BoundingBox.html b/api/Common_DataModel_BoundingBox.html index 58b4bf832b0..04efe60673e 100644 --- a/api/Common_DataModel_BoundingBox.html +++ b/api/Common_DataModel_BoundingBox.html @@ -48,8 +48,8 @@ - - + + @@ -1816,7 +1816,7 @@

diff --git a/api/Common_DataModel_Box.html b/api/Common_DataModel_Box.html index a51b2f5e9af..b1bc2a5fa52 100644 --- a/api/Common_DataModel_Box.html +++ b/api/Common_DataModel_Box.html @@ -48,8 +48,8 @@ - - + + @@ -295,7 +295,7 @@

diff --git a/api/Common_DataModel_CardinalSpline1D.html b/api/Common_DataModel_CardinalSpline1D.html index 8539ee78ad3..158839c71de 100644 --- a/api/Common_DataModel_CardinalSpline1D.html +++ b/api/Common_DataModel_CardinalSpline1D.html @@ -48,8 +48,8 @@ - - + + @@ -285,7 +285,7 @@

diff --git a/api/Common_DataModel_Cell.html b/api/Common_DataModel_Cell.html index ddf0c303588..8c2f698a7db 100644 --- a/api/Common_DataModel_Cell.html +++ b/api/Common_DataModel_Cell.html @@ -48,8 +48,8 @@ - - + + @@ -228,7 +228,7 @@

diff --git a/api/Common_DataModel_CellLinks.html b/api/Common_DataModel_CellLinks.html index b88656893f9..c7f467c257f 100644 --- a/api/Common_DataModel_CellLinks.html +++ b/api/Common_DataModel_CellLinks.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

diff --git a/api/Common_DataModel_CellTypes.html b/api/Common_DataModel_CellTypes.html index d0b1e63e99c..f7459f615fc 100644 --- a/api/Common_DataModel_CellTypes.html +++ b/api/Common_DataModel_CellTypes.html @@ -48,8 +48,8 @@ - - + + @@ -118,7 +118,7 @@

diff --git a/api/Common_DataModel_Collection.html b/api/Common_DataModel_Collection.html index 14be56b4cd3..59a03ebb453 100644 --- a/api/Common_DataModel_Collection.html +++ b/api/Common_DataModel_Collection.html @@ -48,8 +48,8 @@ - - + + @@ -251,7 +251,7 @@

diff --git a/api/Common_DataModel_Cone.html b/api/Common_DataModel_Cone.html index b2aa4abda83..edbc76d55ab 100644 --- a/api/Common_DataModel_Cone.html +++ b/api/Common_DataModel_Cone.html @@ -48,8 +48,8 @@ - - + + @@ -217,7 +217,7 @@

diff --git a/api/Common_DataModel_Cylinder.html b/api/Common_DataModel_Cylinder.html index 3b29c047937..7425d233ce4 100644 --- a/api/Common_DataModel_Cylinder.html +++ b/api/Common_DataModel_Cylinder.html @@ -48,8 +48,8 @@ - - + + @@ -400,7 +400,7 @@

diff --git a/api/Common_DataModel_DataSet.html b/api/Common_DataModel_DataSet.html index ce61a2b1d78..649a71296c1 100644 --- a/api/Common_DataModel_DataSet.html +++ b/api/Common_DataModel_DataSet.html @@ -48,8 +48,8 @@ - - + + @@ -223,7 +223,7 @@

diff --git a/api/Common_DataModel_DataSetAttributes.html b/api/Common_DataModel_DataSetAttributes.html index fa46d1e5fb3..177b4346cbc 100644 --- a/api/Common_DataModel_DataSetAttributes.html +++ b/api/Common_DataModel_DataSetAttributes.html @@ -48,8 +48,8 @@ - - + + @@ -706,7 +706,7 @@

diff --git a/api/Common_DataModel_EdgeLocator.html b/api/Common_DataModel_EdgeLocator.html index ea17932a258..301ca647b8f 100644 --- a/api/Common_DataModel_EdgeLocator.html +++ b/api/Common_DataModel_EdgeLocator.html @@ -48,8 +48,8 @@ - - + + @@ -137,7 +137,7 @@

diff --git a/api/Common_DataModel_ITKHelper.html b/api/Common_DataModel_ITKHelper.html index 0ce62c84171..e224d42c4db 100644 --- a/api/Common_DataModel_ITKHelper.html +++ b/api/Common_DataModel_ITKHelper.html @@ -48,8 +48,8 @@ - - + + @@ -211,7 +211,7 @@

diff --git a/api/Common_DataModel_ImageData.html b/api/Common_DataModel_ImageData.html index b76fe3acc39..0b386a40629 100644 --- a/api/Common_DataModel_ImageData.html +++ b/api/Common_DataModel_ImageData.html @@ -48,8 +48,8 @@ - - + + @@ -713,7 +713,7 @@

diff --git a/api/Common_DataModel_ImplicitBoolean.html b/api/Common_DataModel_ImplicitBoolean.html index 9f69fb15ea5..b8ea79b2c63 100644 --- a/api/Common_DataModel_ImplicitBoolean.html +++ b/api/Common_DataModel_ImplicitBoolean.html @@ -48,8 +48,8 @@ - - + + @@ -123,7 +123,7 @@

diff --git a/api/Common_DataModel_IncrementalOctreeNode.html b/api/Common_DataModel_IncrementalOctreeNode.html index 4d60e215e4d..46f9931a39e 100644 --- a/api/Common_DataModel_IncrementalOctreeNode.html +++ b/api/Common_DataModel_IncrementalOctreeNode.html @@ -48,8 +48,8 @@ - - + + @@ -600,7 +600,7 @@

diff --git a/api/Common_DataModel_IncrementalOctreePointLocator.html b/api/Common_DataModel_IncrementalOctreePointLocator.html index 8018040a349..463f7897885 100644 --- a/api/Common_DataModel_IncrementalOctreePointLocator.html +++ b/api/Common_DataModel_IncrementalOctreePointLocator.html @@ -48,8 +48,8 @@ - - + + @@ -165,7 +165,7 @@

diff --git a/api/Common_DataModel_KochanekSpline1D.html b/api/Common_DataModel_KochanekSpline1D.html index 6df1ba0de46..79a62512c8e 100644 --- a/api/Common_DataModel_KochanekSpline1D.html +++ b/api/Common_DataModel_KochanekSpline1D.html @@ -48,8 +48,8 @@ - - + + @@ -285,7 +285,7 @@

diff --git a/api/Common_DataModel_Line.html b/api/Common_DataModel_Line.html index 3da03d54a7f..7667b68c1c4 100644 --- a/api/Common_DataModel_Line.html +++ b/api/Common_DataModel_Line.html @@ -48,8 +48,8 @@ - - + + @@ -319,7 +319,7 @@

diff --git a/api/Common_DataModel_Locator.html b/api/Common_DataModel_Locator.html index b0f95b278be..3b449f4761d 100644 --- a/api/Common_DataModel_Locator.html +++ b/api/Common_DataModel_Locator.html @@ -48,8 +48,8 @@ - - + + @@ -148,7 +148,7 @@

diff --git a/api/Common_DataModel_Molecule.html b/api/Common_DataModel_Molecule.html index 49fe14624da..864e7f93066 100644 --- a/api/Common_DataModel_Molecule.html +++ b/api/Common_DataModel_Molecule.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

diff --git a/api/Common_DataModel_PiecewiseFunction.html b/api/Common_DataModel_PiecewiseFunction.html index fed0a4da370..d05e3436205 100644 --- a/api/Common_DataModel_PiecewiseFunction.html +++ b/api/Common_DataModel_PiecewiseFunction.html @@ -48,8 +48,8 @@ - - + + @@ -508,7 +508,7 @@

diff --git a/api/Common_DataModel_Plane.html b/api/Common_DataModel_Plane.html index cfcbe50f803..be62dbedbab 100644 --- a/api/Common_DataModel_Plane.html +++ b/api/Common_DataModel_Plane.html @@ -48,8 +48,8 @@ - - + + @@ -779,7 +779,7 @@

diff --git a/api/Common_DataModel_PointSet.html b/api/Common_DataModel_PointSet.html index efa824dd584..7096fcab073 100644 --- a/api/Common_DataModel_PointSet.html +++ b/api/Common_DataModel_PointSet.html @@ -48,8 +48,8 @@ - - + + @@ -168,7 +168,7 @@

- + PrevNext diff --git a/api/Common_DataModel_PolyData.html b/api/Common_DataModel_PolyData.html index d0eecd1f517..59abdcfb3b6 100644 --- a/api/Common_DataModel_PolyData.html +++ b/api/Common_DataModel_PolyData.html @@ -48,8 +48,8 @@ - - + + @@ -367,7 +367,7 @@

diff --git a/api/Common_DataModel_PolyLine.html b/api/Common_DataModel_PolyLine.html index 6cf37a1f41c..43a5d24d0b2 100644 --- a/api/Common_DataModel_PolyLine.html +++ b/api/Common_DataModel_PolyLine.html @@ -48,8 +48,8 @@ - - + + @@ -353,7 +353,7 @@

diff --git a/api/Common_DataModel_Polygon.html b/api/Common_DataModel_Polygon.html index fce7729edc3..fadf17cad0e 100644 --- a/api/Common_DataModel_Polygon.html +++ b/api/Common_DataModel_Polygon.html @@ -48,8 +48,8 @@ - - + + @@ -233,7 +233,7 @@

diff --git a/api/Common_DataModel_Quad.html b/api/Common_DataModel_Quad.html index cf64b3ea682..1ac60432a39 100644 --- a/api/Common_DataModel_Quad.html +++ b/api/Common_DataModel_Quad.html @@ -48,8 +48,8 @@ - - + + @@ -241,7 +241,7 @@

diff --git a/api/Common_DataModel_SelectionNode.html b/api/Common_DataModel_SelectionNode.html index 0dde21838de..f719a45f4ad 100644 --- a/api/Common_DataModel_SelectionNode.html +++ b/api/Common_DataModel_SelectionNode.html @@ -48,8 +48,8 @@ - - + + @@ -177,7 +177,7 @@

diff --git a/api/Common_DataModel_Sphere.html b/api/Common_DataModel_Sphere.html index 3beb10cf640..8b25391df12 100644 --- a/api/Common_DataModel_Sphere.html +++ b/api/Common_DataModel_Sphere.html @@ -48,8 +48,8 @@ - - + + @@ -282,7 +282,7 @@

diff --git a/api/Common_DataModel_Spline1D.html b/api/Common_DataModel_Spline1D.html index 120aba7f20f..96e5112c95e 100644 --- a/api/Common_DataModel_Spline1D.html +++ b/api/Common_DataModel_Spline1D.html @@ -48,8 +48,8 @@ - - + + @@ -286,7 +286,7 @@

diff --git a/api/Common_DataModel_Spline3D.html b/api/Common_DataModel_Spline3D.html index c2a75b6218d..10b85cd0cd6 100644 --- a/api/Common_DataModel_Spline3D.html +++ b/api/Common_DataModel_Spline3D.html @@ -48,8 +48,8 @@ - - + + @@ -205,7 +205,7 @@

diff --git a/api/Common_DataModel_StructuredData.html b/api/Common_DataModel_StructuredData.html index f475c0ab681..1c2e8aebda5 100644 --- a/api/Common_DataModel_StructuredData.html +++ b/api/Common_DataModel_StructuredData.html @@ -48,8 +48,8 @@ - - + + @@ -118,7 +118,7 @@

diff --git a/api/Common_DataModel_Triangle.html b/api/Common_DataModel_Triangle.html index e8278a55490..ccfa1a2422a 100644 --- a/api/Common_DataModel_Triangle.html +++ b/api/Common_DataModel_Triangle.html @@ -48,8 +48,8 @@ - - + + @@ -372,7 +372,7 @@

diff --git a/api/Common_System_MobileVR.html b/api/Common_System_MobileVR.html index 5e7a5bb70a9..3596373bdfe 100644 --- a/api/Common_System_MobileVR.html +++ b/api/Common_System_MobileVR.html @@ -48,8 +48,8 @@ - - + + @@ -120,7 +120,7 @@

diff --git a/api/Common_System_TimerLog.html b/api/Common_System_TimerLog.html index 265d864e30d..0c6d57b6587 100644 --- a/api/Common_System_TimerLog.html +++ b/api/Common_System_TimerLog.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

diff --git a/api/Common_Transform_LandmarkTransform.html b/api/Common_Transform_LandmarkTransform.html index eb899e3bbd1..112e4747eea 100644 --- a/api/Common_Transform_LandmarkTransform.html +++ b/api/Common_Transform_LandmarkTransform.html @@ -48,8 +48,8 @@ - - + + @@ -229,7 +229,7 @@

diff --git a/api/Common_Transform_Transform.html b/api/Common_Transform_Transform.html index bdc717d0ff4..7293c91914a 100644 --- a/api/Common_Transform_Transform.html +++ b/api/Common_Transform_Transform.html @@ -48,8 +48,8 @@ - - + + @@ -445,7 +445,7 @@

diff --git a/api/Filters_Core_Cutter.html b/api/Filters_Core_Cutter.html index f9f8115d07d..55fbb3f1e1f 100644 --- a/api/Filters_Core_Cutter.html +++ b/api/Filters_Core_Cutter.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

diff --git a/api/Filters_Core_PolyDataNormals.html b/api/Filters_Core_PolyDataNormals.html index 463ab44c8f9..54cd989b633 100644 --- a/api/Filters_Core_PolyDataNormals.html +++ b/api/Filters_Core_PolyDataNormals.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

diff --git a/api/Filters_Cornerstone_ImageDataToCornerstoneImage.html b/api/Filters_Cornerstone_ImageDataToCornerstoneImage.html index df528a8856a..b5e3df6f0b7 100644 --- a/api/Filters_Cornerstone_ImageDataToCornerstoneImage.html +++ b/api/Filters_Cornerstone_ImageDataToCornerstoneImage.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

diff --git a/api/Filters_General_AppendPolyData.html b/api/Filters_General_AppendPolyData.html index 9e2c6e7efc6..74c287f2e98 100644 --- a/api/Filters_General_AppendPolyData.html +++ b/api/Filters_General_AppendPolyData.html @@ -48,8 +48,8 @@ - - + + @@ -210,7 +210,7 @@

diff --git a/api/Filters_General_Calculator.html b/api/Filters_General_Calculator.html index e422638faa0..51df10a1bfd 100644 --- a/api/Filters_General_Calculator.html +++ b/api/Filters_General_Calculator.html @@ -48,8 +48,8 @@ - - + + @@ -157,7 +157,7 @@

diff --git a/api/Filters_General_ClipClosedSurface.html b/api/Filters_General_ClipClosedSurface.html index 40c5fc35ea0..93636de7b28 100644 --- a/api/Filters_General_ClipClosedSurface.html +++ b/api/Filters_General_ClipClosedSurface.html @@ -48,8 +48,8 @@ - - + + @@ -191,7 +191,7 @@

diff --git a/api/Filters_General_ClosedPolyLineToSurfaceFilter.html b/api/Filters_General_ClosedPolyLineToSurfaceFilter.html index 5194f721be9..5ceaf2a643c 100644 --- a/api/Filters_General_ClosedPolyLineToSurfaceFilter.html +++ b/api/Filters_General_ClosedPolyLineToSurfaceFilter.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

diff --git a/api/Filters_General_ContourTriangulator.html b/api/Filters_General_ContourTriangulator.html index 69efd679d70..d9352029c1c 100644 --- a/api/Filters_General_ContourTriangulator.html +++ b/api/Filters_General_ContourTriangulator.html @@ -48,8 +48,8 @@ - - + + @@ -327,7 +327,7 @@

diff --git a/api/Filters_General_ImageCropFilter.html b/api/Filters_General_ImageCropFilter.html index f591ec49142..a89cada60c1 100644 --- a/api/Filters_General_ImageCropFilter.html +++ b/api/Filters_General_ImageCropFilter.html @@ -48,8 +48,8 @@ - - + + @@ -222,7 +222,7 @@

diff --git a/api/Filters_General_ImageDataOutlineFilter.html b/api/Filters_General_ImageDataOutlineFilter.html index 40215bc9a80..c21e9791db9 100644 --- a/api/Filters_General_ImageDataOutlineFilter.html +++ b/api/Filters_General_ImageDataOutlineFilter.html @@ -48,8 +48,8 @@ - - + + @@ -248,7 +248,7 @@

diff --git a/api/Filters_General_ImageMarchingCubes.html b/api/Filters_General_ImageMarchingCubes.html index abbac804fcf..2edf093230a 100644 --- a/api/Filters_General_ImageMarchingCubes.html +++ b/api/Filters_General_ImageMarchingCubes.html @@ -48,8 +48,8 @@ - - + + @@ -123,7 +123,7 @@

diff --git a/api/Filters_General_ImageMarchingSquares.html b/api/Filters_General_ImageMarchingSquares.html index 5b0ec21324d..a7e3503d0d5 100644 --- a/api/Filters_General_ImageMarchingSquares.html +++ b/api/Filters_General_ImageMarchingSquares.html @@ -48,8 +48,8 @@ - - + + @@ -124,7 +124,7 @@

diff --git a/api/Filters_General_ImageOutlineFilter.html b/api/Filters_General_ImageOutlineFilter.html index 1470a0770ba..47a021bf56a 100644 --- a/api/Filters_General_ImageOutlineFilter.html +++ b/api/Filters_General_ImageOutlineFilter.html @@ -48,8 +48,8 @@ - - + + @@ -220,7 +220,7 @@

diff --git a/api/Filters_General_ImageSliceFilter.html b/api/Filters_General_ImageSliceFilter.html index 95e26858a23..bce61fe1bcb 100644 --- a/api/Filters_General_ImageSliceFilter.html +++ b/api/Filters_General_ImageSliceFilter.html @@ -48,8 +48,8 @@ - - + + @@ -218,7 +218,7 @@

diff --git a/api/Filters_General_ImageStreamline.html b/api/Filters_General_ImageStreamline.html index a6425cdf0e2..7e6df88799e 100644 --- a/api/Filters_General_ImageStreamline.html +++ b/api/Filters_General_ImageStreamline.html @@ -48,8 +48,8 @@ - - + + @@ -429,7 +429,7 @@

diff --git a/api/Filters_General_LineFilter.html b/api/Filters_General_LineFilter.html index 3e0cece7dd5..aadb4cc91cf 100644 --- a/api/Filters_General_LineFilter.html +++ b/api/Filters_General_LineFilter.html @@ -48,8 +48,8 @@ - - + + @@ -188,7 +188,7 @@

diff --git a/api/Filters_General_MoleculeToRepresentation.html b/api/Filters_General_MoleculeToRepresentation.html index eab6a3dda1d..4e22a478934 100644 --- a/api/Filters_General_MoleculeToRepresentation.html +++ b/api/Filters_General_MoleculeToRepresentation.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

diff --git a/api/Filters_General_OBBTree.html b/api/Filters_General_OBBTree.html index afca897d9e8..3a4cb7d2627 100644 --- a/api/Filters_General_OBBTree.html +++ b/api/Filters_General_OBBTree.html @@ -48,8 +48,8 @@ - - + + @@ -119,7 +119,7 @@

diff --git a/api/Filters_General_OutlineFilter.html b/api/Filters_General_OutlineFilter.html index aa9169f05d3..ea6312a06c8 100644 --- a/api/Filters_General_OutlineFilter.html +++ b/api/Filters_General_OutlineFilter.html @@ -48,8 +48,8 @@ - - + + @@ -188,7 +188,7 @@

diff --git a/api/Filters_General_PaintFilter.html b/api/Filters_General_PaintFilter.html index 527cee20151..4875ed51330 100644 --- a/api/Filters_General_PaintFilter.html +++ b/api/Filters_General_PaintFilter.html @@ -48,8 +48,8 @@ - - + + @@ -118,7 +118,7 @@

diff --git a/api/Filters_General_ScalarToRGBA.html b/api/Filters_General_ScalarToRGBA.html index fac13abccc9..620b1b0720c 100644 --- a/api/Filters_General_ScalarToRGBA.html +++ b/api/Filters_General_ScalarToRGBA.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

diff --git a/api/Filters_General_TriangleFilter.html b/api/Filters_General_TriangleFilter.html index 2b9cfe84eb1..dc1b5cd984f 100644 --- a/api/Filters_General_TriangleFilter.html +++ b/api/Filters_General_TriangleFilter.html @@ -48,8 +48,8 @@ - - + + @@ -189,7 +189,7 @@

diff --git a/api/Filters_General_TubeFilter.html b/api/Filters_General_TubeFilter.html index ac3dc64eb83..13d54a68f4a 100644 --- a/api/Filters_General_TubeFilter.html +++ b/api/Filters_General_TubeFilter.html @@ -48,8 +48,8 @@ - - + + @@ -426,7 +426,7 @@

diff --git a/api/Filters_General_WarpScalar.html b/api/Filters_General_WarpScalar.html index a5afd4f4500..1b42b3b6393 100644 --- a/api/Filters_General_WarpScalar.html +++ b/api/Filters_General_WarpScalar.html @@ -48,8 +48,8 @@ - - + + @@ -126,7 +126,7 @@

diff --git a/api/Filters_General_WindowedSincPolyDataFilter.html b/api/Filters_General_WindowedSincPolyDataFilter.html index e2798123a88..6ee64b95a22 100644 --- a/api/Filters_General_WindowedSincPolyDataFilter.html +++ b/api/Filters_General_WindowedSincPolyDataFilter.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

diff --git a/api/Filters_Sources_Arrow2DSource.html b/api/Filters_Sources_Arrow2DSource.html index 3f7282dd046..f6e36ac2270 100644 --- a/api/Filters_Sources_Arrow2DSource.html +++ b/api/Filters_Sources_Arrow2DSource.html @@ -48,8 +48,8 @@ - - + + @@ -374,7 +374,7 @@

diff --git a/api/Filters_Sources_ArrowSource.html b/api/Filters_Sources_ArrowSource.html index 1cdbbbfdd55..e941ac0321a 100644 --- a/api/Filters_Sources_ArrowSource.html +++ b/api/Filters_Sources_ArrowSource.html @@ -48,8 +48,8 @@ - - + + @@ -363,7 +363,7 @@

diff --git a/api/Filters_Sources_CircleSource.html b/api/Filters_Sources_CircleSource.html index c237561dbd4..f4a9cad6306 100644 --- a/api/Filters_Sources_CircleSource.html +++ b/api/Filters_Sources_CircleSource.html @@ -48,8 +48,8 @@ - - + + @@ -372,7 +372,7 @@

diff --git a/api/Filters_Sources_ConcentricCylinderSource.html b/api/Filters_Sources_ConcentricCylinderSource.html index 2ace2c31e68..1310837df08 100644 --- a/api/Filters_Sources_ConcentricCylinderSource.html +++ b/api/Filters_Sources_ConcentricCylinderSource.html @@ -48,8 +48,8 @@ - - + + @@ -127,7 +127,7 @@

diff --git a/api/Filters_Sources_ConeSource.html b/api/Filters_Sources_ConeSource.html index 29feabcb555..9864de40c35 100644 --- a/api/Filters_Sources_ConeSource.html +++ b/api/Filters_Sources_ConeSource.html @@ -48,8 +48,8 @@ - - + + @@ -410,7 +410,7 @@

diff --git a/api/Filters_Sources_CubeSource.html b/api/Filters_Sources_CubeSource.html index 9213a5b6dfa..74f913d3960 100644 --- a/api/Filters_Sources_CubeSource.html +++ b/api/Filters_Sources_CubeSource.html @@ -48,8 +48,8 @@ - - + + @@ -512,7 +512,7 @@

diff --git a/api/Filters_Sources_Cursor3D.html b/api/Filters_Sources_Cursor3D.html index 59fd5094099..136d71443f1 100644 --- a/api/Filters_Sources_Cursor3D.html +++ b/api/Filters_Sources_Cursor3D.html @@ -48,8 +48,8 @@ - - + + @@ -352,7 +352,7 @@

diff --git a/api/Filters_Sources_CylinderSource.html b/api/Filters_Sources_CylinderSource.html index a3dfadb0926..59c8d4787bf 100644 --- a/api/Filters_Sources_CylinderSource.html +++ b/api/Filters_Sources_CylinderSource.html @@ -48,8 +48,8 @@ - - + + @@ -411,7 +411,7 @@

diff --git a/api/Filters_Sources_ImageGridSource.html b/api/Filters_Sources_ImageGridSource.html index 5bd7c86e0c7..bb85a791d54 100644 --- a/api/Filters_Sources_ImageGridSource.html +++ b/api/Filters_Sources_ImageGridSource.html @@ -48,8 +48,8 @@ - - + + @@ -125,7 +125,7 @@

diff --git a/api/Filters_Sources_LineSource.html b/api/Filters_Sources_LineSource.html index 87316304805..629ae3ba97a 100644 --- a/api/Filters_Sources_LineSource.html +++ b/api/Filters_Sources_LineSource.html @@ -48,8 +48,8 @@ - - + + @@ -321,7 +321,7 @@

diff --git a/api/Filters_Sources_PlaneSource.html b/api/Filters_Sources_PlaneSource.html index 2564126df5d..69291ddd388 100644 --- a/api/Filters_Sources_PlaneSource.html +++ b/api/Filters_Sources_PlaneSource.html @@ -48,8 +48,8 @@ - - + + @@ -546,7 +546,7 @@

diff --git a/api/Filters_Sources_PointSource.html b/api/Filters_Sources_PointSource.html index d82f7027e18..c184134277a 100644 --- a/api/Filters_Sources_PointSource.html +++ b/api/Filters_Sources_PointSource.html @@ -48,8 +48,8 @@ - - + + @@ -291,7 +291,7 @@

diff --git a/api/Filters_Sources_RTAnalyticSource.html b/api/Filters_Sources_RTAnalyticSource.html index f2e7c0ea87b..a2bab498ea3 100644 --- a/api/Filters_Sources_RTAnalyticSource.html +++ b/api/Filters_Sources_RTAnalyticSource.html @@ -48,8 +48,8 @@ - - + + @@ -130,7 +130,7 @@

diff --git a/api/Filters_Sources_SLICSource.html b/api/Filters_Sources_SLICSource.html index 48eeb2c1399..d5d7914486d 100644 --- a/api/Filters_Sources_SLICSource.html +++ b/api/Filters_Sources_SLICSource.html @@ -48,8 +48,8 @@ - - + + @@ -118,7 +118,7 @@

diff --git a/api/Filters_Sources_SphereSource.html b/api/Filters_Sources_SphereSource.html index b6ba269dc9a..0e7c47a86ac 100644 --- a/api/Filters_Sources_SphereSource.html +++ b/api/Filters_Sources_SphereSource.html @@ -48,8 +48,8 @@ - - + + @@ -398,7 +398,7 @@

diff --git a/api/Filters_Sources_ViewFinderSource.html b/api/Filters_Sources_ViewFinderSource.html index 88e7a6ec5ab..d7ad70000fe 100644 --- a/api/Filters_Sources_ViewFinderSource.html +++ b/api/Filters_Sources_ViewFinderSource.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

diff --git a/api/Filters_Texture_TextureMapToPlane.html b/api/Filters_Texture_TextureMapToPlane.html index b1b2c9dcee6..708fe898b9f 100644 --- a/api/Filters_Texture_TextureMapToPlane.html +++ b/api/Filters_Texture_TextureMapToPlane.html @@ -48,8 +48,8 @@ - - + + @@ -583,7 +583,7 @@

diff --git a/api/Filters_Texture_TextureMapToSphere.html b/api/Filters_Texture_TextureMapToSphere.html index 92fd8c28b1e..ded7d092ff8 100644 --- a/api/Filters_Texture_TextureMapToSphere.html +++ b/api/Filters_Texture_TextureMapToSphere.html @@ -48,8 +48,8 @@ - - + + @@ -293,7 +293,7 @@

diff --git a/api/IO_Core_BinaryHelper.html b/api/IO_Core_BinaryHelper.html index 823cd7dc6e0..91102683d30 100644 --- a/api/IO_Core_BinaryHelper.html +++ b/api/IO_Core_BinaryHelper.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

diff --git a/api/IO_Core_DataAccessHelper.html b/api/IO_Core_DataAccessHelper.html index ad13dd77b64..0eafa81c690 100644 --- a/api/IO_Core_DataAccessHelper.html +++ b/api/IO_Core_DataAccessHelper.html @@ -48,8 +48,8 @@ - - + + @@ -186,7 +186,7 @@

diff --git a/api/IO_Core_HttpDataSetReader.html b/api/IO_Core_HttpDataSetReader.html index bb571d344ef..496b34a2c5b 100644 --- a/api/IO_Core_HttpDataSetReader.html +++ b/api/IO_Core_HttpDataSetReader.html @@ -48,8 +48,8 @@ - - + + @@ -348,7 +348,7 @@

diff --git a/api/IO_Core_HttpDataSetSeriesReader.html b/api/IO_Core_HttpDataSetSeriesReader.html index 32ae96d59e0..c7beed81962 100644 --- a/api/IO_Core_HttpDataSetSeriesReader.html +++ b/api/IO_Core_HttpDataSetSeriesReader.html @@ -48,8 +48,8 @@ - - + + @@ -132,7 +132,7 @@

diff --git a/api/IO_Core_HttpSceneLoader.html b/api/IO_Core_HttpSceneLoader.html index 180662046f1..8bd4e1722ba 100644 --- a/api/IO_Core_HttpSceneLoader.html +++ b/api/IO_Core_HttpSceneLoader.html @@ -48,8 +48,8 @@ - - + + @@ -257,7 +257,7 @@

diff --git a/api/IO_Core_ImageStream.html b/api/IO_Core_ImageStream.html index 453424c96e6..6c6fd27ea15 100644 --- a/api/IO_Core_ImageStream.html +++ b/api/IO_Core_ImageStream.html @@ -48,8 +48,8 @@ - - + + @@ -207,7 +207,7 @@

- + PrevNext diff --git a/api/IO_Core_ResourceLoader.html b/api/IO_Core_ResourceLoader.html index a8f34f8fb91..5288951ee2f 100644 --- a/api/IO_Core_ResourceLoader.html +++ b/api/IO_Core_ResourceLoader.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

diff --git a/api/IO_Core_Serializer.html b/api/IO_Core_Serializer.html index 54005651d18..fdec298af79 100644 --- a/api/IO_Core_Serializer.html +++ b/api/IO_Core_Serializer.html @@ -48,8 +48,8 @@ - - + + @@ -121,7 +121,7 @@

diff --git a/api/IO_Core_WSLinkClient.html b/api/IO_Core_WSLinkClient.html index 1706d2d3cfc..dc3dafbe29a 100644 --- a/api/IO_Core_WSLinkClient.html +++ b/api/IO_Core_WSLinkClient.html @@ -48,8 +48,8 @@ - - + + @@ -400,7 +400,7 @@

diff --git a/api/IO_Core_ZipMultiDataSetReader.html b/api/IO_Core_ZipMultiDataSetReader.html index b9129d7d438..755e8a594e0 100644 --- a/api/IO_Core_ZipMultiDataSetReader.html +++ b/api/IO_Core_ZipMultiDataSetReader.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

diff --git a/api/IO_Core_ZipMultiDataSetWriter.html b/api/IO_Core_ZipMultiDataSetWriter.html index 1086a61b80e..1ddb233c36f 100644 --- a/api/IO_Core_ZipMultiDataSetWriter.html +++ b/api/IO_Core_ZipMultiDataSetWriter.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

diff --git a/api/IO_Geometry_DracoReader.html b/api/IO_Geometry_DracoReader.html index 13c6d1d8f5d..3a68648664b 100644 --- a/api/IO_Geometry_DracoReader.html +++ b/api/IO_Geometry_DracoReader.html @@ -48,8 +48,8 @@ - - + + @@ -334,7 +334,7 @@

diff --git a/api/IO_Geometry_PLYReader.html b/api/IO_Geometry_PLYReader.html index fd462f8a625..d900b12e448 100644 --- a/api/IO_Geometry_PLYReader.html +++ b/api/IO_Geometry_PLYReader.html @@ -48,8 +48,8 @@ - - + + @@ -295,7 +295,7 @@

diff --git a/api/IO_Geometry_PLYWriter.html b/api/IO_Geometry_PLYWriter.html index 4c126fcc6f4..8349e8285e3 100644 --- a/api/IO_Geometry_PLYWriter.html +++ b/api/IO_Geometry_PLYWriter.html @@ -48,8 +48,8 @@ - - + + @@ -444,7 +444,7 @@

diff --git a/api/IO_Geometry_STLReader.html b/api/IO_Geometry_STLReader.html index 0dd7fbffae0..915c73815fc 100644 --- a/api/IO_Geometry_STLReader.html +++ b/api/IO_Geometry_STLReader.html @@ -48,8 +48,8 @@ - - + + @@ -295,7 +295,7 @@

diff --git a/api/IO_Geometry_STLWriter.html b/api/IO_Geometry_STLWriter.html index 71fa24fdbc6..a6a1d1102b8 100644 --- a/api/IO_Geometry_STLWriter.html +++ b/api/IO_Geometry_STLWriter.html @@ -48,8 +48,8 @@ - - + + @@ -248,7 +248,7 @@

diff --git a/api/IO_Legacy_LegacyAsciiParser.html b/api/IO_Legacy_LegacyAsciiParser.html index 03a135a0a3d..acf9016c105 100644 --- a/api/IO_Legacy_LegacyAsciiParser.html +++ b/api/IO_Legacy_LegacyAsciiParser.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

diff --git a/api/IO_Legacy_PolyDataReader.html b/api/IO_Legacy_PolyDataReader.html index ad715717a06..2917e0d10d1 100644 --- a/api/IO_Legacy_PolyDataReader.html +++ b/api/IO_Legacy_PolyDataReader.html @@ -48,8 +48,8 @@ - - + + @@ -118,7 +118,7 @@

diff --git a/api/IO_Misc_ElevationReader.html b/api/IO_Misc_ElevationReader.html index bb47055dee0..7cd0db7b623 100644 --- a/api/IO_Misc_ElevationReader.html +++ b/api/IO_Misc_ElevationReader.html @@ -48,8 +48,8 @@ - - + + @@ -377,7 +377,7 @@

diff --git a/api/IO_Misc_HttpDataSetLODsLoader.html b/api/IO_Misc_HttpDataSetLODsLoader.html index 1a54d67e291..86de7dd0abd 100644 --- a/api/IO_Misc_HttpDataSetLODsLoader.html +++ b/api/IO_Misc_HttpDataSetLODsLoader.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

diff --git a/api/IO_Misc_ITKImageReader.html b/api/IO_Misc_ITKImageReader.html index 5c1e64fa7eb..ea17391d015 100644 --- a/api/IO_Misc_ITKImageReader.html +++ b/api/IO_Misc_ITKImageReader.html @@ -48,8 +48,8 @@ - - + + @@ -256,7 +256,7 @@

diff --git a/api/IO_Misc_ITKPolyDataReader.html b/api/IO_Misc_ITKPolyDataReader.html index da1a5250058..45b6195ebe8 100644 --- a/api/IO_Misc_ITKPolyDataReader.html +++ b/api/IO_Misc_ITKPolyDataReader.html @@ -48,8 +48,8 @@ - - + + @@ -256,7 +256,7 @@

diff --git a/api/IO_Misc_JSONNucleoReader.html b/api/IO_Misc_JSONNucleoReader.html index 35c13b1e525..cebeac0a103 100644 --- a/api/IO_Misc_JSONNucleoReader.html +++ b/api/IO_Misc_JSONNucleoReader.html @@ -48,8 +48,8 @@ - - + + @@ -261,7 +261,7 @@

diff --git a/api/IO_Misc_JSONReader.html b/api/IO_Misc_JSONReader.html index 6dd7aa99c19..cac5364d694 100644 --- a/api/IO_Misc_JSONReader.html +++ b/api/IO_Misc_JSONReader.html @@ -48,8 +48,8 @@ - - + + @@ -277,7 +277,7 @@

diff --git a/api/IO_Misc_MTLReader.html b/api/IO_Misc_MTLReader.html index 4b79f4b2a5e..50b85946e62 100644 --- a/api/IO_Misc_MTLReader.html +++ b/api/IO_Misc_MTLReader.html @@ -48,8 +48,8 @@ - - + + @@ -385,7 +385,7 @@

diff --git a/api/IO_Misc_OBJReader.html b/api/IO_Misc_OBJReader.html index d4d096162a9..d1e32094e18 100644 --- a/api/IO_Misc_OBJReader.html +++ b/api/IO_Misc_OBJReader.html @@ -48,8 +48,8 @@ - - + + @@ -365,7 +365,7 @@

diff --git a/api/IO_Misc_PDBReader.html b/api/IO_Misc_PDBReader.html index 6642fe51a94..79551cf72ee 100644 --- a/api/IO_Misc_PDBReader.html +++ b/api/IO_Misc_PDBReader.html @@ -48,8 +48,8 @@ - - + + @@ -293,7 +293,7 @@

diff --git a/api/IO_Misc_SkyboxReader.html b/api/IO_Misc_SkyboxReader.html index d0a2c608d61..8701cc6f75d 100644 --- a/api/IO_Misc_SkyboxReader.html +++ b/api/IO_Misc_SkyboxReader.html @@ -48,8 +48,8 @@ - - + + @@ -121,7 +121,7 @@

diff --git a/api/IO_XML_XMLImageDataReader.html b/api/IO_XML_XMLImageDataReader.html index 7f523d6cb77..7b1375d4e45 100644 --- a/api/IO_XML_XMLImageDataReader.html +++ b/api/IO_XML_XMLImageDataReader.html @@ -48,8 +48,8 @@ - - + + @@ -206,7 +206,7 @@

diff --git a/api/IO_XML_XMLImageDataWriter.html b/api/IO_XML_XMLImageDataWriter.html index d67db04fa24..7b17f45552f 100644 --- a/api/IO_XML_XMLImageDataWriter.html +++ b/api/IO_XML_XMLImageDataWriter.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

diff --git a/api/IO_XML_XMLPolyDataReader.html b/api/IO_XML_XMLPolyDataReader.html index 765c86de3ee..b6c6bd6a982 100644 --- a/api/IO_XML_XMLPolyDataReader.html +++ b/api/IO_XML_XMLPolyDataReader.html @@ -48,8 +48,8 @@ - - + + @@ -206,7 +206,7 @@

diff --git a/api/IO_XML_XMLPolyDataWriter.html b/api/IO_XML_XMLPolyDataWriter.html index 171ee019012..ec37fe7492c 100644 --- a/api/IO_XML_XMLPolyDataWriter.html +++ b/api/IO_XML_XMLPolyDataWriter.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

diff --git a/api/IO_XML_XMLReader.html b/api/IO_XML_XMLReader.html index b80ed40e9cc..1605114b922 100644 --- a/api/IO_XML_XMLReader.html +++ b/api/IO_XML_XMLReader.html @@ -48,8 +48,8 @@ - - + + @@ -422,7 +422,7 @@

diff --git a/api/IO_XML_XMLWriter.html b/api/IO_XML_XMLWriter.html index 6da9d17ff68..4527ba8a3f5 100644 --- a/api/IO_XML_XMLWriter.html +++ b/api/IO_XML_XMLWriter.html @@ -48,8 +48,8 @@ - - + + @@ -118,7 +118,7 @@

diff --git a/api/Imaging_Core_AbstractImageInterpolator.html b/api/Imaging_Core_AbstractImageInterpolator.html index 012263d5e08..bc42d3c3161 100644 --- a/api/Imaging_Core_AbstractImageInterpolator.html +++ b/api/Imaging_Core_AbstractImageInterpolator.html @@ -41,15 +41,15 @@ - + - + - - + + @@ -113,13 +113,14 @@

AbstractImageInterpolator

-

Source

Constants.js
export const ImageBorderMode = {
  CLAMP: 0,
  REPEAT: 1,
  MIRROR: 2,
};

export const InterpolationMode = {
  NEAREST: 0,
  LINEAR: 1,
  CUBIC: 2,
};

export default {
  ImageBorderMode,
  InterpolationMode,
};
+

Source

Constants.d.ts
export declare enum ImageBorderMode {
  CLAMP = 0,
  REPEAT = 1,
  MIRROR = 2,
}

export declare enum InterpolationMode {
  NEAREST = 0,
  LINEAR = 1,
  CUBIC = 2,
}

declare const _default: {
	ImageBorderMode: typeof ImageBorderMode;
	InterpolationMode: typeof InterpolationMode;
};

export default _default;
+
Constants.js
export const ImageBorderMode = {
  CLAMP: 0,
  REPEAT: 1,
  MIRROR: 2,
};

export const InterpolationMode = {
  NEAREST: 0,
  LINEAR: 1,
  CUBIC: 2,
};

export default {
  ImageBorderMode,
  InterpolationMode,
};
InterpolationInfo.js
import { ImageBorderMode, InterpolationMode } from './Constants';

export const vtkInterpolationInfo = {
  pointer: null,
  extent: [0, -1, 0, -1, 0, -1],
  increments: [0, 0, 0],
  scalarType: null, // dataType
  dataTypeSize: 1, // BYTES_PER_ELEMENT
  numberOfComponents: 1,
  borderMode: ImageBorderMode.CLAMP,
  interpolationMode: InterpolationMode.LINEAR,
  extraInfo: null,
};

export const vtkInterpolationWeights = {
  ...vtkInterpolationInfo,
  positions: [0, 0, 0],
  weights: null,
  weightExtent: [0, -1, 0, -1, 0, -1],
  kernelSize: [1, 1, 1],
  workspace: null,
  lastY: null,
  lastZ: null,
};

export function vtkInterpolationMathFloor(x) {
  const integer = Math.floor(x);
  return {
    floored: integer,
    error: x - integer,
  };
}

export function vtkInterpolationMathRound(x) {
  return Math.round(x);
}

//----------------------------------------------------------------------------
// Perform a clamp to limit an index to [b, c] and subtract b.

export function vtkInterpolationMathClamp(a, b, c) {
  let clamp = a <= c ? a : c;
  clamp -= b;
  clamp = clamp >= 0 ? clamp : 0;
  return clamp;
}

//----------------------------------------------------------------------------
// Perform a wrap to limit an index to [b, c] and subtract b.

export function vtkInterpolationMathWrap(a, b, c) {
  const range = c - b + 1;
  let wrap = a - b;
  wrap %= range;
  // required for some % implementations
  wrap = wrap >= 0 ? wrap : wrap + range;
  return wrap;
}

//----------------------------------------------------------------------------
// Perform a mirror to limit an index to [b, c] and subtract b.

export function vtkInterpolationMathMirror(a, b, c) {
  const range = c - b;
  const ifzero = range === 0 ? 1 : 0;
  const range2 = 2 * range + ifzero;
  let mirror = a - b;
  mirror = mirror >= 0 ? mirror : -mirror;
  mirror %= range2;
  mirror = mirror <= range ? mirror : range2 - mirror;
  return mirror;
}

export default {
  vtkInterpolationInfo,
  vtkInterpolationWeights,
  vtkInterpolationMathFloor,
  vtkInterpolationMathRound,
  vtkInterpolationMathClamp,
  vtkInterpolationMathWrap,
  vtkInterpolationMathMirror,
};
index.js
import macro from 'vtk.js/Sources/macros';
import Constants from 'vtk.js/Sources/Imaging/Core/AbstractImageInterpolator/Constants';
import { vtkInterpolationInfo } from './InterpolationInfo';

const { ImageBorderMode } = Constants;

// ----------------------------------------------------------------------------
// Global methods
// ----------------------------------------------------------------------------

// ----------------------------------------------------------------------------
// vtkAbstractImageInterpolator methods
// ----------------------------------------------------------------------------

function vtkAbstractImageInterpolator(publicAPI, model) {
  // Set our className
  model.classHierarchy.push('vtkAbstractImageInterpolator');

  publicAPI.initialize = (data) => {
    publicAPI.releaseData();
    model.scalars = data.getPointData().getScalars();
    model.spacing = data.getSpacing();
    model.origin = data.getOrigin();
    model.extent = data.getExtent();

    publicAPI.update();
  };
  publicAPI.releaseData = () => {
    model.scalars = null;
  };
  publicAPI.update = () => {
    if (!model.scalars) {
      model.interpolationInfo.pointer = null;
      model.interpolationInfo.numberOfComponents = 1;
      return;
    }
    model.interpolationInfo.extent = model.extent.slice();
    const supportSize = publicAPI.computeSupportSize(null);
    const kernelSize = Math.max(
      Math.max(supportSize[0], supportSize[1]),
      supportSize[2]
    );
    const minBound = Number.MIN_SAFE_INTEGER + kernelSize / 2;
    const maxBound = Number.MAX_SAFE_INTEGER - kernelSize / 2;
    for (let i = 0; i < 3; ++i) {
      const newTol = Math.max(
        0.5 * (model.extent[2 * i] === model.extent[2 * i + 1]),
        model.tolerance
      );
      model.structuredBounds[2 * i] = Math.max(
        model.extent[2 * i] - newTol,
        minBound
      );
      model.structuredBounds[2 * i + 1] = Math.min(
        model.extent[2 * i + 1] + newTol,
        maxBound
      );
    }
    const xdim = model.extent[1] - model.extent[0] + 1;
    const ydim = model.extent[3] - model.extent[2] + 1;

    const ncomp = model.scalars.getNumberOfComponents();
    model.interpolationInfo.increments[0] = ncomp;
    model.interpolationInfo.increments[1] =
      model.interpolationInfo.increments[0] * xdim;
    model.interpolationInfo.increments[2] =
      model.interpolationInfo.increments[1] * ydim;

    let component = model.componentOffset;
    component = component > 0 ? component : 0;
    component = component < ncomp ? component : ncomp - 1;

    const dataSize = 1; // scalars.getDataTypeSize()
    const inPtr = model.scalars.getData();
    model.interpolationInfo.pointer = inPtr.subarray(component * dataSize);

    model.interpolationInfo.scalarType = model.scalars.dataType;
    model.interpolationInfo.dataTypeSize = 1; // model.scalars.getElementComponentSize();
    model.interpolationInfo.numberOfComponents =
      publicAPI.computeNumberOfComponents(ncomp);

    model.interpolationInfo.borderMode = model.borderMode;
    publicAPI.internalUpdate();

    // TODO get functions
  };
  publicAPI.internalUpdate = () => {};
  publicAPI.interpolateXYZ = (x, y, z, component) => {
    let value = model.outValue;
    const point = [x, y, z];
    const p = [
      (point[0] - model.origin[0]) / model.spacing[0],
      (point[1] - model.origin[1]) / model.spacing[1],
      (point[2] - model.origin[2]) / model.spacing[2],
    ];
    if (publicAPI.checkBoundsIJK(p)) {
      const iinfo = { ...model.interpolationInfo };
      const ncomp = iinfo.increments[0] - model.componentOffset;
      const dataTypeSize = 1; // iinfo.dataTypeSize; // vtkAbstractArray::getDataTypeSize(iinfo.scalarType)

      let c = component > 0 ? component : 0;
      c = c < ncomp ? c : ncomp - 1;
      iinfo.pointer = model.interpolationInfo.pointer.subarray(
        dataTypeSize * c
      );
      iinfo.numberOfComponents = 1;

      const v = [value];
      publicAPI.interpolatePoint(iinfo, p, v);
      value = v[0];
    }
    return value;
  };

  publicAPI.interpolate = (point, value) => {
    const p = [
      (point[0] - model.origin[0]) / model.spacing[0],
      (point[1] - model.origin[1]) / model.spacing[1],
      (point[2] - model.origin[2]) / model.spacing[2],
    ];

    if (publicAPI.checkBoundsIJK(p)) {
      publicAPI.interpolatePoint(model.interpolationInfo, p, value);
      return true;
    }

    for (let i = 0; i < model.interpolationInfo.numberOfComponents; ++i) {
      value[i] = model.outValue;
    }
    return false;
  };

  publicAPI.computeNumberOfComponents = (inputCount) => {
    const component = Math.min(
      Math.max(model.componentOffset, 0),
      inputCount - 1
    );
    const count =
      model.componentCount < inputCount - component
        ? model.componentCount
        : inputCount - component;
    return count > 0 ? count : inputCount - component;
  };

  publicAPI.getNumberOfComponents = () =>
    model.interpolationInfo.numberOfComponents;

  publicAPI.interpolateIJK = (point, value) => {
    publicAPI.interpolatePoint(model.interpolationInfo, point, value);
  };

  publicAPI.checkBoundsIJK = (point) =>
    !(
      point[0] < model.structuredBounds[0] ||
      point[0] > model.structuredBounds[1] ||
      point[1] < model.structuredBounds[2] ||
      point[1] > model.structuredBounds[3] ||
      point[2] < model.structuredBounds[4] ||
      point[2] > model.structuredBounds[5]
    );

  publicAPI.computeSupportSize = null; // (matrix) => {};
  publicAPI.isSeparable = null;
  publicAPI.precomputeWeightsForExtent = (matrix, inExtent, checkExtent) => {};
  publicAPI.FreePrecomputedWeights = (weights) => {
    /*
    for (let k = 0; k < 3; ++k) {
      const step = weights.kernelSize[k];
      // TODO: check if ok
      weights.positions[k] += step * weights.weightExtent[2 * k];
      if (weights.weights[k]) {
        // TODO: check if ok
        weights.weights[k] += step * weights.weightExtent[2 * k];
      }
    }

    if (weights.workspace) {
      for (let i = 1; i < weights.kernelSize[1]; ++i) {
        // TODO
        ...
      }
    }
    */
  };
  publicAPI.interpolatePoint = (interpolationInfo, point, value) => {};
  publicAPI.interpolateRow = (weights, xIdx, yIdx, zIdx, value, n) => {};
}

// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------

const DEFAULT_VALUES = {
  outValue: 0,
  tolerance: Number.EPSILON,
  componentOffset: 0,
  componentCount: -1,
  borderMode: ImageBorderMode.CLAMP,
  slidingWindow: false,

  scalars: null,
  interpolationInfo: { ...vtkInterpolationInfo },
  interpolationFunc: null,
  rowInterpolationFunc: null,
  structuredBounds: [0, -1, 0, -1, 0, -1],
  spacing: null,
  origin: null,
  extent: null,
};

// ----------------------------------------------------------------------------

export function extend(publicAPI, model, initialValues = {}) {
  Object.assign(model, DEFAULT_VALUES, initialValues);

  // Object methods
  macro.obj(publicAPI, model);
  macro.setGet(publicAPI, model, [
    'outValue',
    'tolerance',
    'componentOffset',
    'componentCount',
    'borderMode',
    'slidingWindow',
  ]);
  macro.get(publicAPI, model, ['origin', 'spacing']);

  // Object specific methods
  vtkAbstractImageInterpolator(publicAPI, model);
}

// ----------------------------------------------------------------------------

export const newInstance = macro.newInstance(
  extend,
  'vtkAbstractImageInterpolator'
);

// ----------------------------------------------------------------------------

export default { newInstance, extend, ...Constants };
diff --git a/api/Imaging_Core_ImageInterpolator.html b/api/Imaging_Core_ImageInterpolator.html index d986ae33258..39c4dbc8bb5 100644 --- a/api/Imaging_Core_ImageInterpolator.html +++ b/api/Imaging_Core_ImageInterpolator.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

diff --git a/api/Imaging_Core_ImagePointDataIterator.html b/api/Imaging_Core_ImagePointDataIterator.html index 8992c8b5849..e75ed8d3141 100644 --- a/api/Imaging_Core_ImagePointDataIterator.html +++ b/api/Imaging_Core_ImagePointDataIterator.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

diff --git a/api/Imaging_Core_ImageReslice.html b/api/Imaging_Core_ImageReslice.html index 18c70d2e605..471b6fe37bf 100644 --- a/api/Imaging_Core_ImageReslice.html +++ b/api/Imaging_Core_ImageReslice.html @@ -48,8 +48,8 @@ - - + + @@ -119,30 +119,1625 @@

Usage

Provide the input to the filter via the standard
SetInput(Data/Connection) methods.

-
const imageReslice = vtkImageReslice.newInstance();
imageReslice.setInputData(imageData);
imageReslice.setOutputDimensionality(2);
const axes = mat4.identity(new Float64Array(16));
mat4.rotateX(axes, axes, 45 * Math.PI / 180);
imageReslice.setResliceAxes(axes);
imageReslice.setOutputScalarType('Uint16Array');
imageReslice.setScalarScale(65535 / 255);

const obliqueSlice = imageReslice.getOutputData();
- -

Public API

ResliceAxes (set/get)

This method is used to set up the axes for the output voxels.
The output Spacing, Origin, and Extent specify the locations
of the voxels within the coordinate system defined by the axes.
The ResliceAxes are used most often to permute the data, e.g.
to extract ZY or XZ slices of a volume as 2D XY images.
The first column of the matrix specifies the x-axis
vector (the fourth element must be set to zero), the second
column specifies the y-axis, and the third column the
z-axis. The fourth column is the origin of the
axes (the fourth element must be set to one).

-

OutputDimensionality (set/get)

Force the dimensionality of the output to either 1, 2,
3 or 0 (default: 3). If the dimensionality is 2D, then
the Z extent of the output is forced to (0,0) and the Z
origin of the output is forced to 0.0 (i.e. the output
extent is confined to the xy plane). If the dimensionality
is 1D, the output extent is confined to the x axis.
For 0D, the output extent consists of a single voxel at
(0,0,0).

-

OutputOrigin (set/get)

Set the origin for the output data. The default output origin
is the input origin permuted through the ResliceAxes.

-

OutputSpacing (set/get)

Set the voxel spacing for the output data. The default output
spacing is the input spacing permuted through the ResliceAxes.

-

OutputExtent (set/get)

Set the extent for the output data. The default output extent
is the input extent permuted through the ResliceAxes.

-

OutputScalarType (set/get)

Set the scalar type of the output to be different from the input.
The default value is null, which means that the input scalar type will be
used to set the output scalar type. Otherwise, this must be set to one
of the following types: VtkDataTypes.CHAR, VtkDataTypes.SIGNED_CHAR,
VtkDataTypes.UNSIGNED_CHAR, VtkDataTypes.SHORT, VtkDataTypes.UNSIGNED_SHORT,
VtkDataTypes.INT, VtkDataTypes.UNSIGNED_INT, VtkDataTypes.FLOAT or
VtkDataTypes.DOUBLE. Other types are not permitted. If the output type
is an integer type, the output will be rounded and clamped to the limits of
the type.

-

See the documentation for vtkDataArray::getDataType() for additional data type settings.

-

ScalarShift (set/get)

Set a value to add to all the output voxels.
After a sample value has been interpolated from the input image, the
equation u = (v + ScalarShift)*ScalarScale will be applied to it before
it is written to the output image. The result will always be clamped to
the limits of the output data type.

-

ScalarScale (set/get)

Set multiplication factor to apply to all the output voxels.
After a sample value has been interpolated from the input image, the
equation u = (v + ScalarShift)*ScalarScale will be applied to it before
it is written to the output image. The result will always be clamped to
the limits of the output data type.

-

Wrap (set/get)

Turn on wrap-pad feature (default: false).

-

Mirror (set/get)

Turn on mirror-pad feature (default: false). This will override the wrap-pad.

-

Border (set/get)

Extend the apparent input border by a half voxel (default: On).
This changes how interpolation is handled at the borders of the
input image: if the center of an output voxel is beyond the edge
of the input image, but is within a half voxel width of the edge
(using the input voxel width), then the value of the output voxel
is calculated as if the input’s edge voxels were duplicated past
the edges of the input.
This has no effect if Mirror or Wrap are on.

-

BackgroundColor (set/get)

Set the background color (for multi-component images).

-

TransformInputSampling (set/get)

Specify whether to transform the spacing, origin and extent
of the Input (or the InformationInput) according to the
direction cosines and origin of the ResliceAxes before applying
them as the default output spacing, origin and extent
(default: true).

-

AutoCropOutput (set/get)

Turn this on if you want to guarantee that the extent of the
output will be large enough to ensure that none of the
data will be cropped (default: false).

-

Source

Constants.js
export const SlabMode = {
  MIN: 0,
  MAX: 1,
  MEAN: 2,
  SUM: 3,
};

export default {
  SlabMode,
};
-
index.js
import { vec4, mat4 } from 'gl-matrix';

import macro, { vtkWarningMacro } from 'vtk.js/Sources/macros';
import vtkDataArray from 'vtk.js/Sources/Common/Core/DataArray';
import vtkMath from 'vtk.js/Sources/Common/Core/Math';
import vtkMatrixBuilder from 'vtk.js/Sources/Common/Core/MatrixBuilder';
import { VtkDataTypes } from 'vtk.js/Sources/Common/Core/DataArray/Constants';
import vtkBoundingBox from 'vtk.js/Sources/Common/DataModel/BoundingBox';
import vtkImageData from 'vtk.js/Sources/Common/DataModel/ImageData';
import vtkImageInterpolator from 'vtk.js/Sources/Imaging/Core/ImageInterpolator';
import vtkImagePointDataIterator from 'vtk.js/Sources/Imaging/Core/ImagePointDataIterator';
import {
  ImageBorderMode,
  InterpolationMode,
} from 'vtk.js/Sources/Imaging/Core/AbstractImageInterpolator/Constants';
import {
  vtkInterpolationMathFloor,
  vtkInterpolationMathRound,
  vtkInterpolationMathClamp,
} from 'vtk.js/Sources/Imaging/Core/AbstractImageInterpolator/InterpolationInfo';
import Constants from 'vtk.js/Sources/Imaging/Core/ImageReslice/Constants';

const { SlabMode } = Constants;

const { vtkErrorMacro } = macro;

// ----------------------------------------------------------------------------
// vtkImageReslice methods
// ----------------------------------------------------------------------------

function vtkImageReslice(publicAPI, model) {
  // Set our className
  model.classHierarchy.push('vtkImageReslice');
  const superClass = { ...publicAPI };

  const indexMatrix = mat4.identity(new Float64Array(16));
  let optimizedTransform = null;

  function getImageResliceSlabTrap(tmpPtr, inComponents, sampleCount, f) {
    const n = sampleCount - 1;
    for (let i = 0; i < inComponents; i += 1) {
      let result = tmpPtr[i] * 0.5;
      for (let j = 1; j < n; j += 1) {
        result += tmpPtr[i + j * inComponents];
      }
      result += tmpPtr[i + n * inComponents] * 0.5;
      tmpPtr[i] = result * f;
    }
  }

  function getImageResliceSlabSum(tmpPtr, inComponents, sampleCount, f) {
    for (let i = 0; i < inComponents; i += 1) {
      let result = tmpPtr[i];
      for (let j = 1; j < sampleCount; j += 1) {
        result += tmpPtr[i + j * inComponents];
      }
      tmpPtr[i] = result * f;
    }
  }

  function getImageResliceCompositeMinValue(tmpPtr, inComponents, sampleCount) {
    for (let i = 0; i < inComponents; i += 1) {
      let result = tmpPtr[i];
      for (let j = 1; j < sampleCount; j += 1) {
        result = Math.min(result, tmpPtr[i + j * inComponents]);
      }
      tmpPtr[i] = result;
    }
  }

  function getImageResliceCompositeMaxValue(tmpPtr, inComponents, sampleCount) {
    for (let i = 0; i < inComponents; i += 1) {
      let result = tmpPtr[i];
      for (let j = 1; j < sampleCount; j += 1) {
        result = Math.max(result, tmpPtr[i + j * inComponents]);
      }
      tmpPtr[i] = result;
    }
  }

  function getImageResliceCompositeMeanValue(
    tmpPtr,
    inComponents,
    sampleCount
  ) {
    const f = 1.0 / sampleCount;
    getImageResliceSlabSum(tmpPtr, inComponents, sampleCount, f);
  }

  function getImageResliceCompositeMeanTrap(tmpPtr, inComponents, sampleCount) {
    const f = 1.0 / (sampleCount - 1);
    getImageResliceSlabTrap(tmpPtr, inComponents, sampleCount, f);
  }

  function getImageResliceCompositeSumValue(tmpPtr, inComponents, sampleCount) {
    const f = 1.0;
    getImageResliceSlabSum(tmpPtr, inComponents, sampleCount, f);
  }

  function getImageResliceCompositeSumTrap(tmpPtr, inComponents, sampleCount) {
    const f = 1.0;
    getImageResliceSlabTrap(tmpPtr, inComponents, sampleCount, f);
  }

  publicAPI.getMTime = () => {
    let mTime = superClass.getMTime();
    if (model.resliceTransform) {
      mTime = Math.max(mTime, model.resliceTransform.getMTime());
    }
    return mTime;
  };

  publicAPI.setResliceAxes = (resliceAxes) => {
    if (!model.resliceAxes) {
      model.resliceAxes = mat4.identity(new Float64Array(16));
    }

    if (!mat4.exactEquals(model.resliceAxes, resliceAxes)) {
      mat4.copy(model.resliceAxes, resliceAxes);

      publicAPI.modified();
      return true;
    }
    return null;
  };

  publicAPI.requestData = (inData, outData) => {
    // implement requestData
    const input = inData[0];

    if (!input) {
      vtkErrorMacro('Invalid or missing input');
      return;
    }

    // console.time('reslice');

    // Retrieve output and volume data
    const origin = input.getOrigin();
    const inSpacing = input.getSpacing();
    const dims = input.getDimensions();
    const inScalars = input.getPointData().getScalars();
    const inWholeExt = [0, dims[0] - 1, 0, dims[1] - 1, 0, dims[2] - 1];

    const outOrigin = [0, 0, 0];
    const outSpacing = [1, 1, 1];
    const outWholeExt = [0, 0, 0, 0, 0, 0];
    const outDims = [0, 0, 0];

    const matrix = mat4.identity(new Float64Array(16));
    if (model.resliceAxes) {
      mat4.multiply(matrix, matrix, model.resliceAxes);
    }
    const imatrix = new Float64Array(16);
    mat4.invert(imatrix, matrix);

    const inCenter = [
      origin[0] + 0.5 * (inWholeExt[0] + inWholeExt[1]) * inSpacing[0],
      origin[1] + 0.5 * (inWholeExt[2] + inWholeExt[3]) * inSpacing[1],
      origin[2] + 0.5 * (inWholeExt[4] + inWholeExt[5]) * inSpacing[2],
    ];

    let maxBounds = null;
    if (model.autoCropOutput) {
      maxBounds = publicAPI.getAutoCroppedOutputBounds(input);
    }

    for (let i = 0; i < 3; i++) {
      let s = 0; // default output spacing
      let d = 0; // default linear dimension
      let e = 0; // default extent start
      let c = 0; // transformed center-of-volume

      if (model.transformInputSampling) {
        let r = 0.0;
        for (let j = 0; j < 3; j++) {
          c += imatrix[4 * j + i] * (inCenter[j] - matrix[4 * 3 + j]);
          const tmp = matrix[4 * i + j] * matrix[4 * i + j];
          s += tmp * Math.abs(inSpacing[j]);
          d +=
            tmp *
            (inWholeExt[2 * j + 1] - inWholeExt[2 * j]) *
            Math.abs(inSpacing[j]);
          e += tmp * inWholeExt[2 * j];
          r += tmp;
        }
        s /= r;
        d /= r * Math.sqrt(r);
        e /= r;
      } else {
        c = inCenter[i];
        s = inSpacing[i];
        d = (inWholeExt[2 * i + 1] - inWholeExt[2 * i]) * s;
        e = inWholeExt[2 * i];
      }

      if (model.outputSpacing == null) {
        outSpacing[i] = s;
      } else {
        outSpacing[i] = model.outputSpacing[i];
      }

      if (i >= model.outputDimensionality) {
        outWholeExt[2 * i] = 0;
        outWholeExt[2 * i + 1] = 0;
      } else if (model.outputExtent == null) {
        if (model.autoCropOutput) {
          d = maxBounds[2 * i + 1] - maxBounds[2 * i];
        }
        outWholeExt[2 * i] = Math.round(e);
        outWholeExt[2 * i + 1] = Math.round(
          outWholeExt[2 * i] + Math.abs(d / outSpacing[i])
        );
      } else {
        outWholeExt[2 * i] = model.outputExtent[2 * i];
        outWholeExt[2 * i + 1] = model.outputExtent[2 * i + 1];
      }

      if (i >= model.outputDimensionality) {
        outOrigin[i] = 0;
      } else if (model.outputOrigin == null) {
        if (model.autoCropOutput) {
          // set origin so edge of extent is edge of bounds
          outOrigin[i] = maxBounds[2 * i] - outWholeExt[2 * i] * outSpacing[i];
        } else {
          // center new bounds over center of input bounds
          outOrigin[i] =
            c -
            0.5 * (outWholeExt[2 * i] + outWholeExt[2 * i + 1]) * outSpacing[i];
        }
      } else {
        outOrigin[i] = model.outputOrigin[i];
      }
      outDims[i] = outWholeExt[2 * i + 1] - outWholeExt[2 * i] + 1;
    }

    let dataType = inScalars.getDataType();
    if (model.outputScalarType) {
      dataType = model.outputScalarType;
    }

    const numComponents = input
      .getPointData()
      .getScalars()
      .getNumberOfComponents(); // or s.numberOfComponents;

    const outScalarsData = macro.newTypedArray(
      dataType,
      outDims[0] * outDims[1] * outDims[2] * numComponents
    );
    const outScalars = vtkDataArray.newInstance({
      name: 'Scalars',
      values: outScalarsData,
      numberOfComponents: numComponents,
    });

    // Update output
    const output = vtkImageData.newInstance();
    output.setDimensions(outDims);
    output.setOrigin(outOrigin);
    output.setSpacing(outSpacing);
    if (model.outputDirection) {
      output.setDirection(model.outputDirection);
    }
    output.getPointData().setScalars(outScalars);

    publicAPI.getIndexMatrix(input, output);

    let interpolationMode = model.interpolationMode;
    model.usePermuteExecute = false;
    if (model.optimization) {
      if (
        optimizedTransform == null &&
        model.slabSliceSpacingFraction === 1.0 &&
        model.interpolator.isSeparable() &&
        publicAPI.isPermutationMatrix(indexMatrix)
      ) {
        model.usePermuteExecute = true;
        if (publicAPI.canUseNearestNeighbor(indexMatrix, outWholeExt)) {
          interpolationMode = InterpolationMode.NEAREST;
        }
      }
    }
    model.interpolator.setInterpolationMode(interpolationMode);

    let borderMode = ImageBorderMode.CLAMP;
    borderMode = model.wrap ? ImageBorderMode.REPEAT : borderMode;
    borderMode = model.mirror ? ImageBorderMode.MIRROR : borderMode;
    model.interpolator.setBorderMode(borderMode);

    const mintol = 7.62939453125e-6;
    const maxtol = 2.0 * 2147483647;
    let tol = 0.5 * model.border;
    tol = borderMode === ImageBorderMode.CLAMP ? tol : maxtol;
    tol = tol > mintol ? tol : mintol;
    model.interpolator.setTolerance(tol);

    model.interpolator.initialize(input);

    publicAPI.vtkImageResliceExecute(input, output);

    model.interpolator.releaseData();

    outData[0] = output;

    // console.timeEnd('reslice');
  };

  publicAPI.vtkImageResliceExecute = (input, output) => {
    // const outDims = output.getDimensions();
    const inScalars = input.getPointData().getScalars();
    const outScalars = output.getPointData().getScalars();
    let outPtr = outScalars.getData();
    const outExt = output.getExtent();
    const newmat = indexMatrix;
    const outputStencil = null;

    // multiple samples for thick slabs
    const nsamples = Math.max(model.slabNumberOfSlices, 1);

    // spacing between slab samples (as a fraction of slice spacing).
    const slabSampleSpacing = model.slabSliceSpacingFraction;

    // check for perspective transformation
    const perspective = publicAPI.isPerspectiveMatrix(newmat);

    // extra scalar info for nearest-neighbor optimization
    let inPtr = inScalars.getData();
    const inputScalarSize = 1; // inScalars.getElementComponentSize(); // inScalars.getDataTypeSize();
    const inputScalarType = inScalars.getDataType();
    const inComponents = inScalars.getNumberOfComponents(); // interpolator.GetNumberOfComponents();
    const componentOffset = model.interpolator.getComponentOffset();
    const borderMode = model.interpolator.getBorderMode();
    const inDims = input.getDimensions();
    const inExt = [0, inDims[0] - 1, 0, inDims[1] - 1, 0, inDims[2] - 1]; // interpolator->GetExtent();
    const inInc = [0, 0, 0];
    inInc[0] = inScalars.getNumberOfComponents();
    inInc[1] = inInc[0] * inDims[0];
    inInc[2] = inInc[1] * inDims[1];

    const fullSize = inDims[0] * inDims[1] * inDims[2];
    if (componentOffset > 0 && componentOffset + inComponents < inInc[0]) {
      inPtr = inPtr.subarray(inputScalarSize * componentOffset);
    }

    let interpolationMode = InterpolationMode.NEAREST;
    if (model.interpolator.isA('vtkImageInterpolator')) {
      interpolationMode = model.interpolator.getInterpolationMode();
    }

    const convertScalars = null;
    const rescaleScalars =
      model.scalarShift !== 0.0 || model.scalarScale !== 1.0;

    // is nearest neighbor optimization possible?
    const optimizeNearest =
      interpolationMode === InterpolationMode.NEAREST &&
      borderMode === ImageBorderMode.CLAMP &&
      !(
        optimizedTransform != null ||
        perspective ||
        convertScalars != null ||
        rescaleScalars
      ) &&
      inputScalarType === outScalars.getDataType() &&
      fullSize === inScalars.getNumberOfTuples() &&
      model.border === true &&
      nsamples <= 1;

    // get pixel information
    const scalarType = outScalars.getDataType();
    const scalarSize = 1; // outScalars.getElementComponentSize() // outScalars.scalarSize;
    const outComponents = outScalars.getNumberOfComponents();

    // break matrix into a set of axes plus an origin
    // (this allows us to calculate the transform Incrementally)
    const xAxis = [0, 0, 0, 0];
    const yAxis = [0, 0, 0, 0];
    const zAxis = [0, 0, 0, 0];
    const origin = [0, 0, 0, 0];
    for (let i = 0; i < 4; ++i) {
      xAxis[i] = newmat[4 * 0 + i];
      yAxis[i] = newmat[4 * 1 + i];
      zAxis[i] = newmat[4 * 2 + i];
      origin[i] = newmat[4 * 3 + i];
    }

    // allocate an output row of type double
    let floatPtr = null;
    if (!optimizeNearest) {
      floatPtr = new Float64Array(
        inComponents * (outExt[1] - outExt[0] + nsamples)
      );
    }

    const background = macro.newTypedArray(
      inputScalarType,
      model.backgroundColor
    );

    // set color for area outside of input volume extent
    // void *background;
    // vtkAllocBackgroundPixel(&background,
    //    self->GetBackgroundColor(), scalarType, scalarSize, outComponents);

    // get various helper functions
    const forceClamping =
      interpolationMode > InterpolationMode.LINEAR ||
      (nsamples > 1 && model.slabMode === SlabMode.SUM);
    const convertpixels = publicAPI.getConversionFunc(
      inputScalarType,
      scalarType,
      model.scalarShift,
      model.scalarScale,
      forceClamping
    );
    const setpixels = publicAPI.getSetPixelsFunc(
      scalarType,
      scalarSize,
      outComponents,
      outPtr
    );
    const composite = publicAPI.getCompositeFunc(
      model.slabMode,
      model.slabTrapezoidIntegration
    );

    // create some variables for when we march through the data
    let idY = outExt[2] - 1;
    let idZ = outExt[4] - 1;
    const inPoint0 = [0.0, 0.0, 0.0, 0.0];
    const inPoint1 = [0.0, 0.0, 0.0, 0.0];

    // create an iterator to march through the data
    const iter = vtkImagePointDataIterator.newInstance();
    iter.initialize(output, outExt, model.stencil, null);
    const outPtr0 = iter.getScalars(output, 0);
    let outPtrIndex = 0;
    const outTmp = macro.newTypedArray(
      scalarType,
      vtkBoundingBox.getDiagonalLength(outExt) * outComponents * 2
    );

    const interpolatedPtr = new Float64Array(inComponents * nsamples);
    const interpolatedPoint = new Float64Array(inComponents);

    for (; !iter.isAtEnd(); iter.nextSpan()) {
      const span = iter.spanEndId() - iter.getId();
      outPtrIndex = iter.getId() * scalarSize * outComponents;

      if (!iter.isInStencil()) {
        // clear any regions that are outside the stencil
        const n = setpixels(outTmp, background, outComponents, span);
        for (let i = 0; i < n; ++i) {
          outPtr0[outPtrIndex++] = outTmp[i];
        }
      } else {
        // get output index, and compute position in input image
        const outIndex = iter.getIndex();

        // if Z index increased, then advance position along Z axis
        if (outIndex[2] > idZ) {
          idZ = outIndex[2];
          inPoint0[0] = origin[0] + idZ * zAxis[0];
          inPoint0[1] = origin[1] + idZ * zAxis[1];
          inPoint0[2] = origin[2] + idZ * zAxis[2];
          inPoint0[3] = origin[3] + idZ * zAxis[3];
          idY = outExt[2] - 1;
        }

        // if Y index increased, then advance position along Y axis
        if (outIndex[1] > idY) {
          idY = outIndex[1];
          inPoint1[0] = inPoint0[0] + idY * yAxis[0];
          inPoint1[1] = inPoint0[1] + idY * yAxis[1];
          inPoint1[2] = inPoint0[2] + idY * yAxis[2];
          inPoint1[3] = inPoint0[3] + idY * yAxis[3];
        }

        // march through one row of the output image
        const idXmin = outIndex[0];
        const idXmax = idXmin + span - 1;

        if (!optimizeNearest) {
          let wasInBounds = 1;
          let isInBounds = 1;
          let startIdX = idXmin;
          let idX = idXmin;
          const tmpPtr = floatPtr;
          let pixelIndex = 0;

          while (startIdX <= idXmax) {
            for (; idX <= idXmax && isInBounds === wasInBounds; idX++) {
              const inPoint2 = [
                inPoint1[0] + idX * xAxis[0],
                inPoint1[1] + idX * xAxis[1],
                inPoint1[2] + idX * xAxis[2],
                inPoint1[3] + idX * xAxis[3],
              ];

              const inPoint3 = [0, 0, 0, 0];
              let inPoint = inPoint2;
              isInBounds = false;

              let interpolatedPtrIndex = 0;
              for (let sample = 0; sample < nsamples; ++sample) {
                if (nsamples > 1) {
                  let s = sample - 0.5 * (nsamples - 1);
                  s *= slabSampleSpacing;
                  inPoint3[0] = inPoint2[0] + s * zAxis[0];
                  inPoint3[1] = inPoint2[1] + s * zAxis[1];
                  inPoint3[2] = inPoint2[2] + s * zAxis[2];
                  inPoint3[3] = inPoint2[3] + s * zAxis[3];
                  inPoint = inPoint3;
                }

                if (perspective) {
                  // only do perspective if necessary
                  const f = 1 / inPoint[3];
                  inPoint[0] *= f;
                  inPoint[1] *= f;
                  inPoint[2] *= f;
                }

                if (optimizedTransform !== null) {
                  // get the input origin and spacing for conversion purposes
                  const inOrigin = model.interpolator.getOrigin();
                  const inSpacing = model.interpolator.getSpacing();
                  const inInvSpacing = [
                    1.0 / inSpacing[0],
                    1.0 / inSpacing[1],
                    1.0 / inSpacing[2],
                  ];

                  // apply the AbstractTransform if there is one
                  // TBD: handle inDirection
                  publicAPI.applyTransform(
                    optimizedTransform,
                    inPoint,
                    inOrigin,
                    inInvSpacing
                  );
                }

                if (model.interpolator.checkBoundsIJK(inPoint)) {
                  // do the interpolation
                  isInBounds = 1;
                  model.interpolator.interpolateIJK(inPoint, interpolatedPoint);
                  for (let i = 0; i < inComponents; ++i) {
                    interpolatedPtr[interpolatedPtrIndex++] =
                      interpolatedPoint[i];
                  }
                }
              }

              if (interpolatedPtrIndex > inComponents) {
                composite(
                  interpolatedPtr,
                  inComponents,
                  interpolatedPtrIndex / inComponents
                );
              }
              for (let i = 0; i < inComponents; ++i) {
                tmpPtr[pixelIndex++] = interpolatedPtr[i];
              }

              // set "was in" to "is in" if first pixel
              wasInBounds = idX > idXmin ? wasInBounds : isInBounds;
            }

            // write a segment to the output
            const endIdX = idX - 1 - (isInBounds !== wasInBounds);
            const numpixels = endIdX - startIdX + 1;

            let n = 0;
            if (wasInBounds) {
              if (outputStencil) {
                outputStencil.insertNextExtent(startIdX, endIdX, idY, idZ);
              }

              if (rescaleScalars) {
                publicAPI.rescaleScalars(
                  floatPtr,
                  inComponents,
                  idXmax - idXmin + 1,
                  model.scalarShift,
                  model.scalarScale
                );
              }

              if (convertScalars) {
                convertScalars(
                  floatPtr.subarray(startIdX * inComponents),
                  outTmp,
                  inputScalarType,
                  inComponents,
                  numpixels,
                  startIdX,
                  idY,
                  idZ
                );
                n = numpixels * outComponents * scalarSize;
              } else {
                n = convertpixels(
                  outTmp,
                  floatPtr.subarray(startIdX * inComponents),
                  outComponents,
                  numpixels
                );
              }
            } else {
              n = setpixels(outTmp, background, outComponents, numpixels);
            }
            for (let i = 0; i < n; ++i) {
              outPtr0[outPtrIndex++] = outTmp[i];
            }

            startIdX += numpixels;
            wasInBounds = isInBounds;
          }
        } else {
          // optimize for nearest-neighbor interpolation
          const inPtrTmp0 = inPtr;
          const outPtrTmp = outPtr;

          const inIncX = inInc[0] * inputScalarSize;
          const inIncY = inInc[1] * inputScalarSize;
          const inIncZ = inInc[2] * inputScalarSize;

          const inExtX = inExt[1] - inExt[0] + 1;
          const inExtY = inExt[3] - inExt[2] + 1;
          const inExtZ = inExt[5] - inExt[4] + 1;

          let startIdX = idXmin;
          let endIdX = idXmin - 1;
          let isInBounds = false;
          const bytesPerPixel = inputScalarSize * inComponents;

          for (let iidX = idXmin; iidX <= idXmax; iidX++) {
            const inPoint = [
              inPoint1[0] + iidX * xAxis[0],
              inPoint1[1] + iidX * xAxis[1],
              inPoint1[2] + iidX * xAxis[2],
            ];

            const inIdX = vtkInterpolationMathRound(inPoint[0]) - inExt[0];
            const inIdY = vtkInterpolationMathRound(inPoint[1]) - inExt[2];
            const inIdZ = vtkInterpolationMathRound(inPoint[2]) - inExt[4];

            if (
              inIdX >= 0 &&
              inIdX < inExtX &&
              inIdY >= 0 &&
              inIdY < inExtY &&
              inIdZ >= 0 &&
              inIdZ < inExtZ
            ) {
              if (!isInBounds) {
                // clear leading out-of-bounds pixels
                startIdX = iidX;
                isInBounds = true;
                const n = setpixels(
                  outTmp,
                  background,
                  outComponents,
                  startIdX - idXmin
                );
                for (let i = 0; i < n; ++i) {
                  outPtr0[outPtrIndex++] = outTmp[i];
                }
              }
              // set the final index that was within input bounds
              endIdX = iidX;

              // perform nearest-neighbor interpolation via pixel copy
              let offset = inIdX * inIncX + inIdY * inIncY + inIdZ * inIncZ;

              // when memcpy is used with a constant size, the compiler will
              // optimize away the function call and use the minimum number
              // of instructions necessary to perform the copy
              switch (bytesPerPixel) {
                case 1:
                  outPtr0[outPtrIndex++] = inPtrTmp0[offset];
                  break;
                case 2:
                case 3:
                case 4:
                case 8:
                case 12:
                case 16:
                  for (let i = 0; i < bytesPerPixel; ++i) {
                    outPtr0[outPtrIndex++] = inPtrTmp0[offset + i];
                  }
                  break;
                default: {
                  // TODO: check bytes
                  let oc = 0;
                  do {
                    outPtr0[outPtrIndex++] = inPtrTmp0[offset++];
                  } while (++oc !== bytesPerPixel);
                  break;
                }
              }
            } else if (isInBounds) {
              // leaving input bounds
              break;
            }
          }

          // clear trailing out-of-bounds pixels
          outPtr = outPtrTmp;
          const n = setpixels(
            outTmp,
            background,
            outComponents,
            idXmax - endIdX
          );
          for (let i = 0; i < n; ++i) {
            outPtr0[outPtrIndex++] = outTmp[i];
          }

          if (outputStencil && endIdX >= startIdX) {
            outputStencil.insertNextExtent(startIdX, endIdX, idY, idZ);
          }
        }
      }
    }
  };
  /**
   * The transform matrix supplied by the user converts output coordinates
   * to input coordinates.
   * To speed up the pixel lookup, the following function provides a
   * matrix which converts output pixel indices to input pixel indices.
   * This will also concatenate the ResliceAxes and the ResliceTransform
   * if possible (if the ResliceTransform is a 4x4 matrix transform).
   * If it does, this->OptimizedTransform will be set to nullptr, otherwise
   * this->OptimizedTransform will be equal to this->ResliceTransform.
   * @param {vtkPolyData} input
   * @param {vtkPolyData} output
   * @returns
   */
  publicAPI.getIndexMatrix = (input, output) => {
    const transform = mat4.identity(new Float64Array(16));
    optimizedTransform = null;

    if (model.resliceAxes) {
      mat4.copy(transform, model.resliceAxes);
    }
    if (model.resliceTransform) {
      if (model.resliceTransform.isA('vtkHomogeneousTransform')) {
        mat4.multiply(transform, model.resliceTransform.getMatrix(), transform);
      } else {
        // TODO
        vtkWarningMacro('Non homogeneous transform have not yet been ported');
      }
    }

    // the outMatrix takes OutputData indices to OutputData coordinates,
    const outMatrix = output.getIndexToWorld();
    mat4.multiply(transform, transform, outMatrix);

    // the inMatrix takes InputData coordinates to InputData indices
    // the optimizedTransform requires data coords, not index coords, as its input
    if (optimizedTransform == null) {
      const inMatrix = input.getWorldToIndex();
      mat4.multiply(transform, inMatrix, transform);
    }

    mat4.copy(indexMatrix, transform);

    return indexMatrix;
  };

  publicAPI.getAutoCroppedOutputBounds = (input) => {
    const inOrigin = input.getOrigin();
    const inSpacing = input.getSpacing();
    const inDirection = input.getDirection();
    const dims = input.getDimensions();
    const inWholeExt = [0, dims[0] - 1, 0, dims[1] - 1, 0, dims[2] - 1];

    const matrix = new Float64Array(16);
    if (model.resliceAxes) {
      mat4.invert(matrix, model.resliceAxes);
    } else {
      mat4.identity(matrix);
    }
    let transform = null;
    if (model.resliceTransform) {
      transform = model.resliceTransform.getInverse();
    }
    let imageTransform = null;
    if (!vtkMath.isIdentity3x3(inDirection)) {
      imageTransform = vtkMatrixBuilder
        .buildFromRadian()
        .translate(inOrigin[0], inOrigin[1], inOrigin[2])
        .multiply3x3(inDirection)
        .translate(-inOrigin[0], -inOrigin[1], -inOrigin[2])
        .invert()
        .getMatrix();
    }

    const bounds = [
      Number.MAX_VALUE,
      -Number.MAX_VALUE,
      Number.MAX_VALUE,
      -Number.MAX_VALUE,
      Number.MAX_VALUE,
      -Number.MAX_VALUE,
    ];

    const point = [0, 0, 0, 0];
    for (let i = 0; i < 8; ++i) {
      point[0] = inOrigin[0] + inWholeExt[i % 2] * inSpacing[0];
      point[1] =
        inOrigin[1] + inWholeExt[2 + (Math.floor(i / 2) % 2)] * inSpacing[1];
      point[2] =
        inOrigin[2] + inWholeExt[4 + (Math.floor(i / 4) % 2)] * inSpacing[2];
      point[3] = 1.0;

      if (imageTransform) {
        vec4.transformMat4(point, point, imageTransform);
      }

      if (model.resliceTransform) {
        transform.transformPoint(point, point);
      }

      vec4.transformMat4(point, point, matrix);

      const f = 1.0 / point[3];
      point[0] *= f;
      point[1] *= f;
      point[2] *= f;

      for (let j = 0; j < 3; ++j) {
        if (point[j] > bounds[2 * j + 1]) {
          bounds[2 * j + 1] = point[j];
        }
        if (point[j] < bounds[2 * j]) {
          bounds[2 * j] = point[j];
        }
      }
    }
    return bounds;
  };

  publicAPI.getDataTypeMinMax = (dataType) => {
    switch (dataType) {
      case 'Int8Array':
        return { min: -128, max: 127 };
      case 'Int16Array':
        return { min: -32768, max: 32767 };
      case 'Uint16Array':
        return { min: 0, max: 65535 };
      case 'Int32Array':
        return { min: -2147483648, max: 2147483647 };
      case 'Uint32Array':
        return { min: 0, max: 4294967295 };
      case 'Float32Array':
        return { min: -1.2e38, max: 1.2e38 };
      case 'Float64Array':
        return { min: -1.2e38, max: 1.2e38 };
      case 'Uint8Array':
      case 'Uint8ClampedArray':
      default:
        return { min: 0, max: 255 };
    }
  };

  publicAPI.clamp = (outPtr, inPtr, numscalars, n, min, max) => {
    const count = n * numscalars;
    for (let i = 0; i < count; ++i) {
      outPtr[i] = vtkInterpolationMathClamp(inPtr[i], min, max);
    }
    return count;
  };

  publicAPI.convert = (outPtr, inPtr, numscalars, n) => {
    const count = n * numscalars;
    for (let i = 0; i < count; ++i) {
      outPtr[i] = Math.round(inPtr[i]);
    }
    return count;
  };

  publicAPI.getConversionFunc = (
    inputType,
    dataType,
    scalarShift,
    scalarScale,
    forceClamping
  ) => {
    let useClamping = forceClamping;
    if (
      dataType !== VtkDataTypes.FLOAT &&
      dataType !== VtkDataTypes.DOUBLE &&
      !forceClamping
    ) {
      const inMinMax = publicAPI.getDataTypeMinMax(inputType);
      let checkMin = (inMinMax.min + scalarShift) * scalarScale;
      let checkMax = (inMinMax.max + scalarShift) * scalarScale;
      const outMinMax = publicAPI.getDataTypeMinMax(dataType);
      const outputMin = outMinMax.min;
      const outputMax = outMinMax.max;
      if (checkMin > checkMax) {
        const tmp = checkMax;
        checkMax = checkMin;
        checkMin = tmp;
      }
      useClamping = checkMin < outputMin || checkMax > outputMax;
    }

    if (
      useClamping &&
      dataType !== VtkDataTypes.FLOAT &&
      dataType !== VtkDataTypes.DOUBLE
    ) {
      const minMax = publicAPI.getDataTypeMinMax(dataType);
      const clamp = (outPtr, inPtr, numscalars, n) =>
        publicAPI.clamp(outPtr, inPtr, numscalars, n, minMax.min, minMax.max);
      return clamp;
    }
    return publicAPI.convert;
  };

  publicAPI.set = (outPtr, inPtr, numscalars, n) => {
    const count = numscalars * n;
    for (let i = 0; i < n; ++i) {
      outPtr[i] = inPtr[i];
    }
    return count;
  };

  publicAPI.set1 = (outPtr, inPtr, numscalars, n) => {
    outPtr.fill(inPtr[0], 0, n);
    return n;
  };

  publicAPI.getSetPixelsFunc = (dataType, dataSize, numscalars, dataPtr) =>
    numscalars === 1 ? publicAPI.set1 : publicAPI.set;

  publicAPI.getCompositeFunc = (slabMode, slabTrapezoidIntegration) => {
    let composite = null;
    // eslint-disable-next-line default-case
    switch (slabMode) {
      case SlabMode.MIN:
        composite = getImageResliceCompositeMinValue;
        break;
      case SlabMode.MAX:
        composite = getImageResliceCompositeMaxValue;
        break;
      case SlabMode.MEAN:
        if (slabTrapezoidIntegration) {
          composite = getImageResliceCompositeMeanTrap;
        } else {
          composite = getImageResliceCompositeMeanValue;
        }
        break;
      case SlabMode.SUM:
        if (slabTrapezoidIntegration) {
          composite = getImageResliceCompositeSumTrap;
        } else {
          composite = getImageResliceCompositeSumValue;
        }
        break;
    }

    return composite;
  };

  publicAPI.applyTransform = (newTrans, inPoint, inOrigin, inInvSpacing) => {
    inPoint[3] = 1;
    vec4.transformMat4(inPoint, inPoint, newTrans);
    inPoint[0] -= inOrigin[0];
    inPoint[1] -= inOrigin[1];
    inPoint[2] -= inOrigin[2];
    inPoint[0] *= inInvSpacing[0];
    inPoint[1] *= inInvSpacing[1];
    inPoint[2] *= inInvSpacing[2];
  };

  publicAPI.rescaleScalars = (
    floatData,
    components,
    n,
    scalarShift,
    scalarScale
  ) => {
    const m = n * components;
    for (let i = 0; i < m; ++i) {
      floatData[i] = (floatData[i] + scalarShift) * scalarScale;
    }
  };

  publicAPI.isPermutationMatrix = (matrix) => {
    for (let i = 0; i < 3; i++) {
      if (matrix[4 * i + 3] !== 0) {
        return false;
      }
    }
    if (matrix[4 * 3 + 3] !== 1) {
      return false;
    }
    for (let j = 0; j < 3; j++) {
      let k = 0;
      for (let i = 0; i < 3; i++) {
        if (matrix[4 * j + i] !== 0) {
          k++;
        }
      }
      if (k !== 1) {
        return 0;
      }
    }
    return 1;
  };

  // TODO: to move in vtkMath and add tolerance
  publicAPI.isIdentityMatrix = (matrix) => {
    for (let i = 0; i < 4; ++i) {
      for (let j = 0; j < 4; ++j) {
        if ((i === j ? 1.0 : 0.0) !== matrix[4 * j + i]) {
          return false;
        }
      }
    }
    return true;
  };

  publicAPI.isPerspectiveMatrix = (matrix) =>
    matrix[4 * 0 + 3] !== 0 ||
    matrix[4 * 1 + 3] !== 0 ||
    matrix[4 * 2 + 3] !== 0 ||
    matrix[4 * 3 + 3] !== 1;

  publicAPI.canUseNearestNeighbor = (matrix, outExt) => {
    // loop through dimensions
    for (let i = 0; i < 3; i++) {
      let j;
      for (j = 0; j < 3; j++) {
        if (matrix[4 * j + i] !== 0) {
          break;
        }
      }
      if (j >= 3) {
        return 0;
      }
      let x = matrix[4 * j + i];
      let y = matrix[4 * 3 + i];
      if (outExt[2 * j] === outExt[2 * j + 1]) {
        y += x * outExt[2 * i];
        x = 0;
      }
      const fx = vtkInterpolationMathFloor(x, 0).error;
      const fy = vtkInterpolationMathFloor(y, 0).error;
      if (fx !== 0 || fy !== 0) {
        return 0;
      }
    }
    return 1;
  };
}

// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------

const DEFAULT_VALUES = {
  transformInputSampling: true,
  autoCropOutput: false,
  outputDimensionality: 3,
  outputSpacing: null, // automatically computed if null
  outputOrigin: null, // automatically computed if null
  outputDirection: null, // identity if null
  outputExtent: null, // automatically computed if null
  outputScalarType: null,
  wrap: false, // don't wrap
  mirror: false, // don't mirror
  border: true, // apply a border
  interpolationMode: InterpolationMode.NEAREST, // only NEAREST supported so far
  slabMode: SlabMode.MIN,
  slabTrapezoidIntegration: false,
  slabNumberOfSlices: 1,
  slabSliceSpacingFraction: 1,
  optimization: false, // not supported yet
  scalarShift: 0, // for rescaling the data
  scalarScale: 1,
  backgroundColor: [0, 0, 0, 0],
  resliceAxes: null,
  // resliceTransform: null,
  interpolator: vtkImageInterpolator.newInstance(),
  usePermuteExecute: false, // no supported yet
};

// ----------------------------------------------------------------------------

export function extend(publicAPI, model, initialValues = {}) {
  Object.assign(model, DEFAULT_VALUES, initialValues);

  // Make this a VTK object
  macro.obj(publicAPI, model);

  // Also make it an algorithm with one input and one output
  macro.algo(publicAPI, model, 1, 1);

  macro.setGet(publicAPI, model, [
    'outputDimensionality',
    'outputScalarType',
    'scalarShift',
    'scalarScale',
    'transformInputSampling',
    'autoCropOutput',
    'wrap',
    'mirror',
    'border',
    'interpolationMode',
    'resliceTransform',
    'slabMode',
    'slabTrapezoidIntegration',
    'slabNumberOfSlices',
    'slabSliceSpacingFraction',
  ]);

  macro.setGetArray(publicAPI, model, ['outputOrigin', 'outputSpacing'], 3);
  macro.setGetArray(publicAPI, model, ['outputExtent'], 6);
  macro.setGetArray(publicAPI, model, ['outputDirection'], 9);
  macro.setGetArray(publicAPI, model, ['backgroundColor'], 4);

  macro.get(publicAPI, model, ['resliceAxes']);

  // Object specific methods
  macro.algo(publicAPI, model, 1, 1);
  vtkImageReslice(publicAPI, model);
}

// ----------------------------------------------------------------------------

export const newInstance = macro.newInstance(extend, 'vtkImageReslice');

// ----------------------------------------------------------------------------

export default { newInstance, extend, ...Constants };
+

Methods

applyTransform

Apply newTrans, then translate by -origin, then scale by inInvSpacing

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
newTransYes
inPointYes
inOriginYes
inInvSpacingYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

canUseNearestNeighbor

+ + + + + + + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
matrixYes
outExtYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

clamp

Internal function uses vtkInterpolationMathClamp on numscalars * n elements

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
outPtrYes
inPtrYes
numscalarsYes
nYes
minYes
maxYes
+

Returns

+ + + + + + + + + + +
TypeDescription
The number of elements processed
+

convert

Internal function uses Math.round on numscalars * n elements

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
outPtrYes
inPtrYes
numscalarsYes
nYes
+

Returns

+ + + + + + + + + + +
TypeDescription
The number of elements processed
+

extend

Method used to decorate a given object (publicAPI+model) with vtkImageReslice characteristics.

+ + + + + + + + + + + + + + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
publicAPIYesobject on which methods will be bounds (public)
modelYesobject on which data structure will be bounds (protected)
initialValuesIImageResliceInitialValuesNo(default: {})
+

getAutoCropOutput

Returns

+ + + + + + + + + + +
TypeDescription
+

getAutoCroppedOutputBounds

Compute the bounds required to ensure that none of the data will be cropped

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
inputYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

getBackgroundColor

Returns

+ + + + + + + + + + +
TypeDescription
+

getBorder

Returns

+ + + + + + + + + + +
TypeDescription
+

getCompositeFunc

Returns the right composition function

+ + + + + + + + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
slabModeYes
slabTrapezoidIntegrationYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

getConversionFunc

Setup the conversion function and return the right one

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
inputTypeYes
dataTypeYes
scalarShiftYes
scalarScaleYes
forceClampingYes
+

Returns

+ + + + + + + + + + +
TypeDescription
publicAPI.convert or publicAPI.clamp
+

getDataTypeMinMax

The min and max of each data type
Defaults to a range of 0 to 255

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
dataTypeYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

getIndexMatrix

The transform matrix supplied by the user converts output coordinates
to input coordinates.
To speed up the pixel lookup, the following function provides a
matrix which converts output pixel indices to input pixel indices.
This will also concatenate the ResliceAxes and the ResliceTransform
if possible (if the ResliceTransform is a 4x4 matrix transform).
If it does, this->OptimizedTransform will be set to nullptr, otherwise
this->OptimizedTransform will be equal to this->ResliceTransform.

+ + + + + + + + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
inputvtkImageDataYes
outputvtkImageDataYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

getInterpolationMode

Returns

+ + + + + + + + + + +
TypeDescription
+

getMirror

Returns

+ + + + + + + + + + +
TypeDescription
+

getOutputDimensionality

Returns

+ + + + + + + + + + +
TypeDescription
+

getOutputDirection

Returns

+ + + + + + + + + + +
TypeDescription
+

getOutputExtent

Returns

+ + + + + + + + + + +
TypeDescription
+

getOutputOrigin

Returns

+ + + + + + + + + + +
TypeDescription
+

getOutputScalarType

Returns

+ + + + + + + + + + +
TypeDescription
+

getOutputSpacing

Returns

+ + + + + + + + + + +
TypeDescription
+

getResliceAxes

Returns

+ + + + + + + + + + +
TypeDescription
+

getResliceTransform

Returns

+ + + + + + + + + + +
TypeDescription
+

getScalarScale

Returns

+ + + + + + + + + + +
TypeDescription
+

getScalarShift

Returns

+ + + + + + + + + + +
TypeDescription
+

getSetPixelsFunc

Returns the right function used to copy the pixels

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
dataTypeYes
dataSizeYes
numscalarsYes
dataPtrYes
+

Returns

+ + + + + + + + + + +
TypeDescription
publicAPI.set or publicAPI.set1
+

getSlabMode

Returns

+ + + + + + + + + + +
TypeDescription
+

getSlabNumberOfSlices

Returns

+ + + + + + + + + + +
TypeDescription
+

getSlabSliceSpacingFraction

Returns

+ + + + + + + + + + +
TypeDescription
+

getSlabTrapezoidIntegration

Returns

+ + + + + + + + + + +
TypeDescription
+

getTransformInputSampling

Returns

+ + + + + + + + + + +
TypeDescription
+

getWrap

Returns

+ + + + + + + + + + +
TypeDescription
+

isIdentityMatrix

+ + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
matrixYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

isPermutationMatrix

A permutation matrix is the identity matrix with the colomn (or rows) shuffled

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
matrixYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

isPerspectiveMatrix

+ + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
matrixYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

newInstance

Method used to create a new instance of vtkImageReslice

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
initialValuesIImageResliceInitialValuesNofor pre-setting some of its content
+

requestData

+ + + + + + + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
inDataYes
outDataYes
+

rescaleScalars

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
floatDataYes
componentsYes
nYes
scalarShiftYes
scalarScaleYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

set

Copy the numscalars * n first elements from an array to another

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
outPtrYes
inPtrYes
numscalarsYes
nYes
+

Returns

+ + + + + + + + + + +
TypeDescription
The number of copied elements
+

set1

Fill the n first elements of the output array with the very first element of the input array

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
outPtrYes
inPtrYes
numscalarsYes
nYes
+

Returns

+ + + + + + + + + + +
TypeDescription
The number of elements set in the output array
+

setAutoCropOutput

Turn this on if you want to guarantee that the extent of the output will
be large enough to ensure that none of the data will be cropped.
Defaults to false.

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
autoCropOutputYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

setBackgroundColor

Set the background color (for multi-component images).
Defaults to full opaque black.

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
backgroundColorYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

setBorder

Extend the apparent input border by a half voxel.
This changes how interpolation is handled at the borders of the
input image: if the center of an output voxel is beyond the edge
of the input image, but is within a half voxel width of the edge
(using the input voxel width), then the value of the output voxel
is calculated as if the input’s edge voxels were duplicated past
the edges of the input.
This has no effect if Mirror or Wrap are on.
Defaults to true.

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
borderYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

setInterpolationMode

Set interpolation mode.
Only nearest neighbor is supported at the moment.
Defaults to nearest neighbor.

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
interpolationModeYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

setMirror

Turn on mirror-pad feature. This will override the wrap-pad.
Defaults to false.

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
mirrorYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

setOutputDimensionality

Force the dimensionality of the output to either 1, 2, 3 or 0.
If the dimensionality is 2D, then the Z extent of the output is forced to
(0,0) and the Z origin of the output is forced to 0.0 (i.e. the output
extent is confined to the xy plane). If the dimensionality is 1D, the
output extent is confined to the x axis. For 0D, the output extent
consists of a single voxel at (0,0,0).
Defaults to 3.

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
outputDimensionalityYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

setOutputDirection

Set the direction for the output data.
By default, the direction of the input data is passed to the output.
But if SetOutputDirection() is used, then the image will be resliced
according to the new output direction. Unlike SetResliceAxes(), this does
not change the physical coordinate system for the image. Instead, it
changes the orientation of the sampling grid while maintaining the same
physical coordinate system.
Defaults to null (automatically computed).

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
outputDirectionYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

setOutputExtent

Set the extent for the output data.
The default output extent is the input extent permuted through the
ResliceAxes.
Defaults to null (automatically computed).

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
outputExtentYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

setOutputOrigin

Set the origin for the output data.
The default output origin is the input origin permuted through the
ResliceAxes.
Defaults to null (automatically computed).

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
outputOriginYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

setOutputScalarType

Set the scalar type of the output to be different from the input.
The default value is null, which means that the input scalar type will be
used to set the output scalar type. Otherwise, this must be set to one
of the following types: VtkDataTypes.CHAR, VtkDataTypes.SIGNED_CHAR,
VtkDataTypes.UNSIGNED_CHAR, VtkDataTypes.SHORT, VtkDataTypes.UNSIGNED_SHORT,
VtkDataTypes.INT, VtkDataTypes.UNSIGNED_INT, VtkDataTypes.FLOAT or
VtkDataTypes.DOUBLE. Other types are not permitted. If the output type
is an integer type, the output will be rounded and clamped to the limits of
the type.

+

See the documentation for vtkDataArray::getDataType() for additional data type settings.
Defaults to null (automatically computed).

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
outputScalarTypeYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

setOutputSpacing

Set the voxel spacing for the output data.
The default output spacing is the input spacing permuted through the
ResliceAxes.
Defaults to null (automatically computed).

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
outputSpacingYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

setResliceAxes

This method is used to set up the axes for the output voxels.
The output Spacing, Origin, and Extent specify the locations
of the voxels within the coordinate system defined by the axes.
The ResliceAxes are used most often to permute the data, e.g.
to extract ZY or XZ slices of a volume as 2D XY images.
The first column of the matrix specifies the x-axis
vector (the fourth element must be set to zero), the second
column specifies the y-axis, and the third column the
z-axis. The fourth column is the origin of the
axes (the fourth element must be set to one).

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
resliceAxesYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

setResliceTransform

Set a transform to be applied to the resampling grid that has been
defined via the ResliceAxes and the output Origin, Spacing and Extent.
Note that applying a transform to the resampling grid (which lies in
the output coordinate system) is equivalent to applying the inverse of
that transform to the input volume. Nonlinear transforms such as
vtkGridTransform and vtkThinPlateSplineTransform can be used here.
Defaults to undefined.

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
resliceTransformYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

setScalarScale

Set multiplication factor to apply to all the output voxels.
After a sample value has been interpolated from the input image, the
equation u = (v + ScalarShift)*ScalarScale will be applied to it before
it is written to the output image. The result will always be clamped to
the limits of the output data type.
Defaults to 1.

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
scalarScaleYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

setScalarShift

Set a value to add to all the output voxels.
After a sample value has been interpolated from the input image, the
equation u = (v + ScalarShift)*ScalarScale will be applied to it before
it is written to the output image. The result will always be clamped to
the limits of the output data type.
Defaults to 0.

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
scalarShiftYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

setSlabMode

Set the slab mode, for generating thick slices.
The default is SlabMode.MIN. If SetSlabNumberOfSlices(N) is called with N
greater than one, then each output slice will actually be a composite of N
slices. This method specifies the compositing mode to be used.

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
slabModeYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

setSlabNumberOfSlices

Set the number of slices that will be combined to create the slab.
Defaults to 1.

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
numberOfSlicesYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

setSlabSliceSpacingFraction

The slab spacing as a fraction of the output slice spacing.
When one of the various slab modes is chosen, each output slice is
produced by generating several “temporary” output slices and then
combining them according to the slab mode. By default, the spacing between
these temporary slices is the Z component of the OutputSpacing. This
method sets the spacing between these temporary slices to be a fraction of
the output spacing.
Defaults to 1.

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
slabSliceSpacingFractionYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

setSlabTrapezoidIntegration

Use trapezoid integration for slab computation.
All this does is weigh the first and last slices by half when doing sum
and mean. It is off by default.
Defaults to false.

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
slabTrapezoidIntegrationYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

setTransformInputSampling

Specify whether to transform the spacing, origin and extent of the Input
(or the InformationInput) according to the direction cosines and origin of
the ResliceAxes before applying them as the default output spacing, origin
and extent.
Defaults to false.

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
transformInputSamplingYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

setWrap

Turn on wrap-pad feature.
Defaults to false.

+ + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
wrapYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

vtkImageResliceExecute

Main filter logic

+ + + + + + + + + + + + + + + + + + + + + +
ArgumentTypeRequiredDescription
inputYes
outputYes
+

Returns

+ + + + + + + + + + +
TypeDescription
+

Source

Constants.d.ts
export declare enum SlabMode {
  MIN = 0,
  MAX = 1,
  MEAN = 2,
  SUM = 3,
}

declare const _default: {
  SlabMode: typeof SlabMode;
};

export default _default;
+
Constants.js
export const SlabMode = {
  MIN: 0,
  MAX: 1,
  MEAN: 2,
  SUM: 3,
};

export default {
  SlabMode,
};
+
index.d.ts
import { Bounds, Extent, Nullable, RGBAColor, TypedArray } from "../../../types";
import { InterpolationMode } from "../AbstractImageInterpolator/Constants";
import { SlabMode } from "./Constants";
import { vtkAlgorithm, vtkObject, vtkRange } from "../../../interfaces";
import vtkImageData from "../../../Common/DataModel/ImageData";
import vtkTransform from "../../../Common/Transform/Transform";

import { mat3, mat4, vec3, vec4 } from 'gl-matrix';

/**
 * 
 */
export interface IImageResliceInitialValues {
  transformInputSampling: boolean,
  autoCropOutput: boolean,
  outputDimensionality: number,
  outputSpacing: Nullable<vec3>, // automatically computed if null
  outputOrigin: Nullable<vec3>, // automatically computed if null
  outputDirection: Nullable<mat3>, // identity if null
  outputExtent: Nullable<Extent>, // automatically computed if null
  outputScalarType: Nullable<string>,
  wrap: boolean, // don't wrap
  mirror: boolean, // don't mirror
  border: boolean, // apply a border
  interpolationMode: InterpolationMode, // only NEAREST supported so far
  slabMode: SlabMode,
  slabTrapezoidIntegration: boolean,
  slabNumberOfSlices: number,
  slabSliceSpacingFraction: number,
  optimization: boolean, // not supported yet
  scalarShift: number, // for rescaling the data
  scalarScale: number,
  backgroundColor: RGBAColor,
  resliceAxes: Nullable<mat4>,
  resliceTransform?: vtkTransform,
  interpolator: any, // A vtkImageInterpolator (missing typescript header)
  usePermuteExecute: boolean, // no supported yet
}

type vtkImageResliceBase = Omit<vtkObject, 'set'> & vtkAlgorithm;

export interface vtkImageReslice extends vtkImageResliceBase {
  /**
	 *
	 * @param inData
	 * @param outData
	 */
	requestData(inData: any, outData: any): void;

  /**
   * Main filter logic
   * @param input 
   * @param output 
   * @returns 
   */
  vtkImageResliceExecute: (input: vtkImageData, output: vtkImageData) => void;

  /**
   * The transform matrix supplied by the user converts output coordinates
   * to input coordinates.
   * To speed up the pixel lookup, the following function provides a
   * matrix which converts output pixel indices to input pixel indices.
   * This will also concatenate the ResliceAxes and the ResliceTransform
   * if possible (if the ResliceTransform is a 4x4 matrix transform).
   * If it does, this->OptimizedTransform will be set to nullptr, otherwise
   * this->OptimizedTransform will be equal to this->ResliceTransform.
   * @param {vtkImageData} input
   * @param {vtkImageData} output
   * @returns
   */
  getIndexMatrix: (input: vtkImageData, output: vtkImageData) => mat4;

  /**
   * Compute the bounds required to ensure that none of the data will be cropped
   * @param input 
   * @returns 
   */
  getAutoCroppedOutputBounds: (input: vtkImageData) => Bounds;

  /**
   * The min and max of each data type
   * Defaults to a range of 0 to 255
   * @param dataType 
   * @returns 
   */
  getDataTypeMinMax: (dataType: string) => vtkRange;

  /**
   * Internal function uses vtkInterpolationMathClamp on `numscalars * n` elements
   * @param outPtr 
   * @param inPtr 
   * @param numscalars 
   * @param n 
   * @param min 
   * @param max 
   * @returns The number of elements processed
   */
  clamp: (outPtr: TypedArray, inPtr: TypedArray, numscalars: number, n: number, min: number, max: number) => number;

  /**
   * Internal function uses Math.round on `numscalars * n` elements
   * @param outPtr 
   * @param inPtr 
   * @param numscalars 
   * @param n 
   * @returns The number of elements processed
   */
  convert: (outPtr: TypedArray, inPtr: TypedArray, numscalars: number, n: number) => number;

  /**
   * Setup the conversion function and return the right one
   * @param inputType 
   * @param dataType 
   * @param scalarShift 
   * @param scalarScale 
   * @param forceClamping 
   * @returns publicAPI.convert or publicAPI.clamp
   */
  getConversionFunc: (inputType: string, dataType: string, scalarShift: number, scalarScale: number, forceClamping: boolean) => (this["convert"] & this["clamp"]);

  /**
   * Copy the `numscalars * n` first elements from an array to another
   * @param outPtr 
   * @param inPtr 
   * @param numscalars 
   * @param n 
   * @returns The number of copied elements
   */
  set: (outPtr: TypedArray, inPtr: TypedArray, numscalars: number, n: number) => number;

  /**
   * Fill the `n` first elements of the output array with the very first element of the input array
   * @param outPtr 
   * @param inPtr 
   * @param numscalars 
   * @param n 
   * @returns The number of elements set in the output array
   */
  set1: (outPtr: TypedArray, inPtr: TypedArray, numscalars: number, n: number) => number;

  /**
   * Returns the right function used to copy the pixels
   * @param dataType 
   * @param dataSize 
   * @param numscalars 
   * @param dataPtr 
   * @returns publicAPI.set or publicAPI.set1
   */
  getSetPixelsFunc: (dataType: any, dataSize: any, numscalars: number, dataPtr: any) => (this["set"] & this["set1"]);

  /**
   * Returns the right composition function
   * @param slabMode 
   * @param slabTrapezoidIntegration 
   * @returns 
   */
  getCompositeFunc: (slabMode: SlabMode, slabTrapezoidIntegration: boolean) => ((tmpPtr: TypedArray, inComponents: number, sampleCount: number) => void);

  /**
   * Apply `newTrans`, then translate by `-origin`, then scale by `inInvSpacing`
   * @param newTrans 
   * @param inPoint 
   * @param inOrigin 
   * @param inInvSpacing 
   * @returns 
   */
  applyTransform: (newTrans: mat4, inPoint: vec4, inOrigin: vec3, inInvSpacing: vec3) => void;

  /**
   * 
   * @param floatData 
   * @param components 
   * @param n 
   * @param scalarShift 
   * @param scalarScale 
   * @returns 
   */
  rescaleScalars: (floatData: TypedArray, components: number, n: number, scalarShift: number, scalarScale: number) => void;

  /**
   * A permutation matrix is the identity matrix with the colomn (or rows) shuffled
   * @param matrix 
   * @returns 
   */
  isPermutationMatrix: (matrix: mat4) => boolean;

  /**
   * 
   * @param matrix 
   * @returns 
   */
  isIdentityMatrix: (matrix: mat4) => boolean;

  /**
   * 
   * @param matrix 
   * @returns 
   */
  isPerspectiveMatrix: (matrix: mat4) => boolean;

  /**
   * 
   * @param matrix 
   * @param outExt 
   * @returns 
   */
  canUseNearestNeighbor: (matrix: mat4, outExt: Extent) => boolean;

  // Setters and getters

  /**
   * Set the slab mode, for generating thick slices.
   * The default is SlabMode.MIN. If SetSlabNumberOfSlices(N) is called with N
   * greater than one, then each output slice will actually be a composite of N
   * slices. This method specifies the compositing mode to be used.
   * @param slabMode 
   * @returns 
   */
  setSlabMode: (slabMode: SlabMode) => boolean;

  /**
   * @see setSlabMode
   * @returns 
   */
  getSlabMode: () => SlabMode;

  /**
   * Set the number of slices that will be combined to create the slab.
   * Defaults to 1.
   * @param numberOfSlices 
   * @returns 
   */
  setSlabNumberOfSlices: (slabNumberOfSlices: number) => boolean;

  /**
   * @see setSlabNumberOfSlices
   * @returns 
   */
  getSlabNumberOfSlices: () => number;

  /**
   * Specify whether to transform the spacing, origin and extent of the Input
   * (or the InformationInput) according to the direction cosines and origin of
   * the ResliceAxes before applying them as the default output spacing, origin
   * and extent.
   * Defaults to false.
   * @param transformInputSampling 
   * @returns 
   */
  setTransformInputSampling: (transformInputSampling: boolean) => boolean;

  /**
   * @see setTransformInputSampling
   * @returns 
   */
  getTransformInputSampling: () => boolean;

  /**
   * Turn this on if you want to guarantee that the extent of the output will
   * be large enough to ensure that none of the data will be cropped.
   * Defaults to false.
   * @param autoCropOutput 
   * @returns 
   */
  setAutoCropOutput: (autoCropOutput: boolean) => boolean;

  /**
   * @see setAutoCropOutput
   * @returns 
   */
  getAutoCropOutput: () => boolean;

  /**
   * Force the dimensionality of the output to either 1, 2, 3 or 0.
   * If the dimensionality is 2D, then the Z extent of the output is forced to
   * (0,0) and the Z origin of the output is forced to 0.0 (i.e. the output
   * extent is confined to the xy plane). If the dimensionality is 1D, the
   * output extent is confined to the x axis. For 0D, the output extent
   * consists of a single voxel at (0,0,0).
   * Defaults to 3.
   * @param outputDimensionality 
   * @returns 
   */
  setOutputDimensionality: (outputDimensionality: number) => boolean;

  /**
   * @see setOutputDimensionality
   * @returns 
   */
  getOutputDimensionality: () => number;

  /**
   * Set the voxel spacing for the output data.
   * The default output spacing is the input spacing permuted through the
   * ResliceAxes.
   * Defaults to null (automatically computed).
   * @param outputSpacing 
   * @returns 
   */
  setOutputSpacing: (outputSpacing: vec3 | null) => boolean;

  /**
   * @see setOutputSpacing
   * @returns 
   */
  getOutputSpacing: () => vec3 | null;

  /**
   * Set the origin for the output data.
   * The default output origin is the input origin permuted through the
   * ResliceAxes.
   * Defaults to null (automatically computed).
   * @param outputOrigin 
   * @returns 
   */
  setOutputOrigin: (outputOrigin: vec3 | null) => boolean;

  /**
   * @see setOutputOrigin
   * @returns 
   */
  getOutputOrigin: () => vec3 | null;

  /**
   * Set the extent for the output data.
   * The default output extent is the input extent permuted through the
   * ResliceAxes.
   * Defaults to null (automatically computed).
   * @param outputExtent 
   * @returns 
   */
  setOutputExtent: (outputExtent: Extent | null) => boolean;

  /**
   * @see setOutputExtent
   * @returns 
   */
  getOutputExtent: () => Extent | null;

  /**
   * Set the direction for the output data.
   * By default, the direction of the input data is passed to the output.
   * But if SetOutputDirection() is used, then the image will be resliced
   * according to the new output direction. Unlike SetResliceAxes(), this does
   * not change the physical coordinate system for the image. Instead, it
   * changes the orientation of the sampling grid while maintaining the same
   * physical coordinate system.
   * Defaults to null (automatically computed).
   * @param outputDirection 
   * @returns 
   */
  setOutputDirection: (outputDirection: mat3 | null) => boolean;

  /**
   * @see setOutputDirection
   * @returns 
   */
  getOutputDirection: () => mat3 | null;

  /**
   * Set the background color (for multi-component images).
   * Defaults to full opaque black.
   * @param backgroundColor 
   * @returns 
   */
  setBackgroundColor: (backgroundColor: RGBAColor) => boolean;

  /**
   * @see setBackgroundColor
   * @returns 
   */
  getBackgroundColor: () => RGBAColor;

  /**
   * This method is used to set up the axes for the output voxels.
   * The output Spacing, Origin, and Extent specify the locations
   * of the voxels within the coordinate system defined by the axes.
   * The ResliceAxes are used most often to permute the data, e.g.
   * to extract ZY or XZ slices of a volume as 2D XY images.
   * The first column of the matrix specifies the x-axis
   * vector (the fourth element must be set to zero), the second
   * column specifies the y-axis, and the third column the
   * z-axis.  The fourth column is the origin of the
   * axes (the fourth element must be set to one).
   * @param resliceAxes 
   * @returns 
   */
  setResliceAxes: (resliceAxes: mat4) => boolean;

  /**
   * @see setResliceAxes
   * @returns 
   */
  getResliceAxes: () => mat4;

  /**
   * Set the scalar type of the output to be different from the input.
   * The default value is null, which means that the input scalar type will be
   * used to set the output scalar type.  Otherwise, this must be set to one
   * of the following types: VtkDataTypes.CHAR, VtkDataTypes.SIGNED_CHAR,
   * VtkDataTypes.UNSIGNED_CHAR, VtkDataTypes.SHORT, VtkDataTypes.UNSIGNED_SHORT,
   * VtkDataTypes.INT, VtkDataTypes.UNSIGNED_INT, VtkDataTypes.FLOAT or
   * VtkDataTypes.DOUBLE. Other types are not permitted. If the output type
   * is an integer type, the output will be rounded and clamped to the limits of
   * the type.
   * 
   * See the documentation for [vtkDataArray::getDataType()](../api/Common_Core_DataArray.html#getDataType-String) for additional data type settings.
   * Defaults to null (automatically computed).
   * @param outputScalarType 
   * @returns 
   */
  setOutputScalarType: (outputScalarType: string | null) => boolean;

  /**
   * @see setOutputScalarType
   * @returns 
   */
  getOutputScalarType: () => string | null;

  /**
   * Set a value to add to all the output voxels.
   * After a sample value has been interpolated from the input image, the
   * equation u = (v + ScalarShift)*ScalarScale will be applied to it before
   * it is written to the output image.  The result will always be clamped to
   * the limits of the output data type.
   * Defaults to 0.
   * @param scalarShift 
   * @returns 
   */
  setScalarShift: (scalarShift: number) => boolean;

  /**
   * @see setScalarShift
   * @returns 
   */
  getScalarShift: () => number;

  /**
   * Set multiplication factor to apply to all the output voxels.
   * After a sample value has been interpolated from the input image, the
   * equation u = (v + ScalarShift)*ScalarScale will be applied to it before
   * it is written to the output image.  The result will always be clamped to
   * the limits of the output data type.
   * Defaults to 1.
   * @param scalarScale 
   * @returns 
   */
  setScalarScale: (scalarScale: number) => boolean;

  /**
   * @see setScalarScale
   * @returns 
   */
  getScalarScale: () => number;

  /**
   * Turn on wrap-pad feature.
   * Defaults to false.
   * @param wrap 
   * @returns 
   */
  setWrap: (wrap: boolean) => boolean;

  /**
   * @see setWrap
   * @returns 
   */
  getWrap: () => boolean;

  /**
   * Turn on mirror-pad feature. This will override the wrap-pad.
   * Defaults to false.
   * @param mirror 
   * @returns 
   */
  setMirror: (mirror: boolean) => boolean;

  /**
   * @see setMirror
   * @returns 
   */
  getMirror: () => boolean;

  /**
   * Extend the apparent input border by a half voxel.
   * This changes how interpolation is handled at the borders of the
   * input image: if the center of an output voxel is beyond the edge
   * of the input image, but is within a half voxel width of the edge
   * (using the input voxel width), then the value of the output voxel
   * is calculated as if the input's edge voxels were duplicated past
   * the edges of the input.
   * This has no effect if Mirror or Wrap are on.
   * Defaults to true.
   * @param border 
   * @returns 
   */
  setBorder: (border: boolean) => boolean;

  /**
   * @see setBorder
   * @returns 
   */
  getBorder: () => boolean;

  /**
   * Set interpolation mode. 
   * Only nearest neighbor is supported at the moment.
   * Defaults to nearest neighbor.
   * @param interpolationMode 
   * @returns 
   */
  setInterpolationMode: (interpolationMode: InterpolationMode) => boolean;

  /**
   * @see setInterpolationMode
   * @returns 
   */
  getInterpolationMode: () => InterpolationMode;

  /**
   * Set a transform to be applied to the resampling grid that has been
   * defined via the ResliceAxes and the output Origin, Spacing and Extent.
   * Note that applying a transform to the resampling grid (which lies in
   * the output coordinate system) is equivalent to applying the inverse of
   * that transform to the input volume. Nonlinear transforms such as
   * vtkGridTransform and vtkThinPlateSplineTransform can be used here.
   * Defaults to undefined.
   * @param resliceTransform 
   * @returns 
   */
  setResliceTransform: (resliceTransform: vtkTransform | undefined) => boolean;

  /**
   * @see setResliceTransform
   * @returns 
   */
  getResliceTransform: () => vtkTransform | undefined;

  /**
   * Use trapezoid integration for slab computation.
   * All this does is weigh the first and last slices by half when doing sum
   * and mean. It is off by default.
   * Defaults to false.
   * @param slabTrapezoidIntegration 
   * @returns 
   */
  setSlabTrapezoidIntegration: (slabTrapezoidIntegration: boolean) => boolean;

  /**
   * @see setSlabTrapezoidIntegration
   * @returns 
   */
  getSlabTrapezoidIntegration: () => boolean;

  /**
   * The slab spacing as a fraction of the output slice spacing.
   * When one of the various slab modes is chosen, each output slice is
   * produced by generating several "temporary" output slices and then
   * combining them according to the slab mode. By default, the spacing between
   * these temporary slices is the Z component of the OutputSpacing. This
   * method sets the spacing between these temporary slices to be a fraction of
   * the output spacing.
   * Defaults to 1.
   * @param slabSliceSpacingFraction 
   * @returns 
   */
  setSlabSliceSpacingFraction: (slabSliceSpacingFraction: number) => boolean;

  /**
   * @see setSlabSliceSpacingFraction
   * @returns 
   */
  getSlabSliceSpacingFraction: () => number;
}

/**
 * Method used to decorate a given object (publicAPI+model) with vtkImageReslice characteristics.
 *
 * @param publicAPI object on which methods will be bounds (public)
 * @param model object on which data structure will be bounds (protected)
 * @param {IImageResliceInitialValues} [initialValues] (default: {})
 */
export function extend(publicAPI: object, model: object, initialValues?: IImageResliceInitialValues): void;

/**
 * Method used to create a new instance of vtkImageReslice
 * @param {IImageResliceInitialValues} [initialValues] for pre-setting some of its content
 */
export function newInstance(initialValues?: IImageResliceInitialValues): vtkImageReslice;


/**
 * vtkImageReslice - Reslices a volume along a new set of axes
 * 
 * vtkImageReslice is the swiss-army-knife of image geometry filters:
 * It can permute, rotate, flip, scale, resample, deform, and pad image
 * data in any combination with reasonably high efficiency.  Simple
 * operations such as permutation, resampling and padding are done
 * with similar efficiently to the specialized vtkImagePermute,
 * vtkImageResample, and vtkImagePad filters.  There are a number of
 * tasks that vtkImageReslice is well suited for:
 * 1) Application of simple rotations, scales, and translations to
 * an image. It is often a good idea to use vtkImageChangeInformation
 * to center the image first, so that scales and rotations occur around
 * the center rather than around the lower-left corner of the image.
 * 2) Extraction of slices from an image volume. The method
 * SetOutputDimensionality(2) is used to specify that want to output a
 * slice rather than a volume. You can use both the resliceAxes and the
 * resliceTransform at the same time, in order to extract slices from a
 * volume that you have applied a transformation to.
 * */
export declare const vtkImageReslice: {
	newInstance: typeof newInstance;
	extend: typeof extend;
}
export default vtkImageReslice;
+
index.js
import { vec4, mat4 } from 'gl-matrix';

import macro, { vtkWarningMacro } from 'vtk.js/Sources/macros';
import vtkDataArray from 'vtk.js/Sources/Common/Core/DataArray';
import vtkMath from 'vtk.js/Sources/Common/Core/Math';
import vtkMatrixBuilder from 'vtk.js/Sources/Common/Core/MatrixBuilder';
import { VtkDataTypes } from 'vtk.js/Sources/Common/Core/DataArray/Constants';
import vtkBoundingBox from 'vtk.js/Sources/Common/DataModel/BoundingBox';
import vtkImageData from 'vtk.js/Sources/Common/DataModel/ImageData';
import vtkImageInterpolator from 'vtk.js/Sources/Imaging/Core/ImageInterpolator';
import vtkImagePointDataIterator from 'vtk.js/Sources/Imaging/Core/ImagePointDataIterator';
import {
  ImageBorderMode,
  InterpolationMode,
} from 'vtk.js/Sources/Imaging/Core/AbstractImageInterpolator/Constants';
import {
  vtkInterpolationMathFloor,
  vtkInterpolationMathRound,
  vtkInterpolationMathClamp,
} from 'vtk.js/Sources/Imaging/Core/AbstractImageInterpolator/InterpolationInfo';
import Constants from 'vtk.js/Sources/Imaging/Core/ImageReslice/Constants';

const { SlabMode } = Constants;

const { vtkErrorMacro } = macro;

// ----------------------------------------------------------------------------
// vtkImageReslice methods
// ----------------------------------------------------------------------------

function vtkImageReslice(publicAPI, model) {
  // Set our className
  model.classHierarchy.push('vtkImageReslice');
  const superClass = { ...publicAPI };

  const indexMatrix = mat4.identity(new Float64Array(16));
  let optimizedTransform = null;

  function getImageResliceSlabTrap(tmpPtr, inComponents, sampleCount, f) {
    const n = sampleCount - 1;
    for (let i = 0; i < inComponents; i += 1) {
      let result = tmpPtr[i] * 0.5;
      for (let j = 1; j < n; j += 1) {
        result += tmpPtr[i + j * inComponents];
      }
      result += tmpPtr[i + n * inComponents] * 0.5;
      tmpPtr[i] = result * f;
    }
  }

  function getImageResliceSlabSum(tmpPtr, inComponents, sampleCount, f) {
    for (let i = 0; i < inComponents; i += 1) {
      let result = tmpPtr[i];
      for (let j = 1; j < sampleCount; j += 1) {
        result += tmpPtr[i + j * inComponents];
      }
      tmpPtr[i] = result * f;
    }
  }

  function getImageResliceCompositeMinValue(tmpPtr, inComponents, sampleCount) {
    for (let i = 0; i < inComponents; i += 1) {
      let result = tmpPtr[i];
      for (let j = 1; j < sampleCount; j += 1) {
        result = Math.min(result, tmpPtr[i + j * inComponents]);
      }
      tmpPtr[i] = result;
    }
  }

  function getImageResliceCompositeMaxValue(tmpPtr, inComponents, sampleCount) {
    for (let i = 0; i < inComponents; i += 1) {
      let result = tmpPtr[i];
      for (let j = 1; j < sampleCount; j += 1) {
        result = Math.max(result, tmpPtr[i + j * inComponents]);
      }
      tmpPtr[i] = result;
    }
  }

  function getImageResliceCompositeMeanValue(
    tmpPtr,
    inComponents,
    sampleCount
  ) {
    const f = 1.0 / sampleCount;
    getImageResliceSlabSum(tmpPtr, inComponents, sampleCount, f);
  }

  function getImageResliceCompositeMeanTrap(tmpPtr, inComponents, sampleCount) {
    const f = 1.0 / (sampleCount - 1);
    getImageResliceSlabTrap(tmpPtr, inComponents, sampleCount, f);
  }

  function getImageResliceCompositeSumValue(tmpPtr, inComponents, sampleCount) {
    const f = 1.0;
    getImageResliceSlabSum(tmpPtr, inComponents, sampleCount, f);
  }

  function getImageResliceCompositeSumTrap(tmpPtr, inComponents, sampleCount) {
    const f = 1.0;
    getImageResliceSlabTrap(tmpPtr, inComponents, sampleCount, f);
  }

  publicAPI.getMTime = () => {
    let mTime = superClass.getMTime();
    if (model.resliceTransform) {
      mTime = Math.max(mTime, model.resliceTransform.getMTime());
    }
    return mTime;
  };

  publicAPI.setResliceAxes = (resliceAxes) => {
    if (!model.resliceAxes) {
      model.resliceAxes = mat4.identity(new Float64Array(16));
    }

    if (!mat4.exactEquals(model.resliceAxes, resliceAxes)) {
      mat4.copy(model.resliceAxes, resliceAxes);

      publicAPI.modified();
      return true;
    }
    return false;
  };

  publicAPI.requestData = (inData, outData) => {
    // implement requestData
    const input = inData[0];

    if (!input) {
      vtkErrorMacro('Invalid or missing input');
      return;
    }

    // console.time('reslice');

    // Retrieve output and volume data
    const origin = input.getOrigin();
    const inSpacing = input.getSpacing();
    const dims = input.getDimensions();
    const inScalars = input.getPointData().getScalars();
    const inWholeExt = [0, dims[0] - 1, 0, dims[1] - 1, 0, dims[2] - 1];

    const outOrigin = [0, 0, 0];
    const outSpacing = [1, 1, 1];
    const outWholeExt = [0, 0, 0, 0, 0, 0];
    const outDims = [0, 0, 0];

    const matrix = mat4.identity(new Float64Array(16));
    if (model.resliceAxes) {
      mat4.multiply(matrix, matrix, model.resliceAxes);
    }
    const imatrix = new Float64Array(16);
    mat4.invert(imatrix, matrix);

    const inCenter = [
      origin[0] + 0.5 * (inWholeExt[0] + inWholeExt[1]) * inSpacing[0],
      origin[1] + 0.5 * (inWholeExt[2] + inWholeExt[3]) * inSpacing[1],
      origin[2] + 0.5 * (inWholeExt[4] + inWholeExt[5]) * inSpacing[2],
    ];

    let maxBounds = null;
    if (model.autoCropOutput) {
      maxBounds = publicAPI.getAutoCroppedOutputBounds(input);
    }

    for (let i = 0; i < 3; i++) {
      let s = 0; // default output spacing
      let d = 0; // default linear dimension
      let e = 0; // default extent start
      let c = 0; // transformed center-of-volume

      if (model.transformInputSampling) {
        let r = 0.0;
        for (let j = 0; j < 3; j++) {
          c += imatrix[4 * j + i] * (inCenter[j] - matrix[4 * 3 + j]);
          const tmp = matrix[4 * i + j] * matrix[4 * i + j];
          s += tmp * Math.abs(inSpacing[j]);
          d +=
            tmp *
            (inWholeExt[2 * j + 1] - inWholeExt[2 * j]) *
            Math.abs(inSpacing[j]);
          e += tmp * inWholeExt[2 * j];
          r += tmp;
        }
        s /= r;
        d /= r * Math.sqrt(r);
        e /= r;
      } else {
        c = inCenter[i];
        s = inSpacing[i];
        d = (inWholeExt[2 * i + 1] - inWholeExt[2 * i]) * s;
        e = inWholeExt[2 * i];
      }

      if (model.outputSpacing == null) {
        outSpacing[i] = s;
      } else {
        outSpacing[i] = model.outputSpacing[i];
      }

      if (i >= model.outputDimensionality) {
        outWholeExt[2 * i] = 0;
        outWholeExt[2 * i + 1] = 0;
      } else if (model.outputExtent == null) {
        if (model.autoCropOutput) {
          d = maxBounds[2 * i + 1] - maxBounds[2 * i];
        }
        outWholeExt[2 * i] = Math.round(e);
        outWholeExt[2 * i + 1] = Math.round(
          outWholeExt[2 * i] + Math.abs(d / outSpacing[i])
        );
      } else {
        outWholeExt[2 * i] = model.outputExtent[2 * i];
        outWholeExt[2 * i + 1] = model.outputExtent[2 * i + 1];
      }

      if (i >= model.outputDimensionality) {
        outOrigin[i] = 0;
      } else if (model.outputOrigin == null) {
        if (model.autoCropOutput) {
          // set origin so edge of extent is edge of bounds
          outOrigin[i] = maxBounds[2 * i] - outWholeExt[2 * i] * outSpacing[i];
        } else {
          // center new bounds over center of input bounds
          outOrigin[i] =
            c -
            0.5 * (outWholeExt[2 * i] + outWholeExt[2 * i + 1]) * outSpacing[i];
        }
      } else {
        outOrigin[i] = model.outputOrigin[i];
      }
      outDims[i] = outWholeExt[2 * i + 1] - outWholeExt[2 * i] + 1;
    }

    let dataType = inScalars.getDataType();
    if (model.outputScalarType) {
      dataType = model.outputScalarType;
    }

    const numComponents = input
      .getPointData()
      .getScalars()
      .getNumberOfComponents(); // or s.numberOfComponents;

    const outScalarsData = macro.newTypedArray(
      dataType,
      outDims[0] * outDims[1] * outDims[2] * numComponents
    );
    const outScalars = vtkDataArray.newInstance({
      name: 'Scalars',
      values: outScalarsData,
      numberOfComponents: numComponents,
    });

    // Update output
    const output = vtkImageData.newInstance();
    output.setDimensions(outDims);
    output.setOrigin(outOrigin);
    output.setSpacing(outSpacing);
    if (model.outputDirection) {
      output.setDirection(model.outputDirection);
    }
    output.getPointData().setScalars(outScalars);

    publicAPI.getIndexMatrix(input, output);

    let interpolationMode = model.interpolationMode;
    model.usePermuteExecute = false;
    if (model.optimization) {
      if (
        optimizedTransform == null &&
        model.slabSliceSpacingFraction === 1.0 &&
        model.interpolator.isSeparable() &&
        publicAPI.isPermutationMatrix(indexMatrix)
      ) {
        model.usePermuteExecute = true;
        if (publicAPI.canUseNearestNeighbor(indexMatrix, outWholeExt)) {
          interpolationMode = InterpolationMode.NEAREST;
        }
      }
    }
    model.interpolator.setInterpolationMode(interpolationMode);

    let borderMode = ImageBorderMode.CLAMP;
    borderMode = model.wrap ? ImageBorderMode.REPEAT : borderMode;
    borderMode = model.mirror ? ImageBorderMode.MIRROR : borderMode;
    model.interpolator.setBorderMode(borderMode);

    const mintol = 7.62939453125e-6;
    const maxtol = 2.0 * 2147483647;
    let tol = 0.5 * model.border;
    tol = borderMode === ImageBorderMode.CLAMP ? tol : maxtol;
    tol = tol > mintol ? tol : mintol;
    model.interpolator.setTolerance(tol);

    model.interpolator.initialize(input);

    publicAPI.vtkImageResliceExecute(input, output);

    model.interpolator.releaseData();

    outData[0] = output;

    // console.timeEnd('reslice');
  };

  publicAPI.vtkImageResliceExecute = (input, output) => {
    // const outDims = output.getDimensions();
    const inScalars = input.getPointData().getScalars();
    const outScalars = output.getPointData().getScalars();
    let outPtr = outScalars.getData();
    const outExt = output.getExtent();
    const newmat = indexMatrix;
    const outputStencil = null;

    // multiple samples for thick slabs
    const nsamples = Math.max(model.slabNumberOfSlices, 1);

    // spacing between slab samples (as a fraction of slice spacing).
    const slabSampleSpacing = model.slabSliceSpacingFraction;

    // check for perspective transformation
    const perspective = publicAPI.isPerspectiveMatrix(newmat);

    // extra scalar info for nearest-neighbor optimization
    let inPtr = inScalars.getData();
    const inputScalarSize = 1; // inScalars.getElementComponentSize(); // inScalars.getDataTypeSize();
    const inputScalarType = inScalars.getDataType();
    const inComponents = inScalars.getNumberOfComponents(); // interpolator.GetNumberOfComponents();
    const componentOffset = model.interpolator.getComponentOffset();
    const borderMode = model.interpolator.getBorderMode();
    const inDims = input.getDimensions();
    const inExt = [0, inDims[0] - 1, 0, inDims[1] - 1, 0, inDims[2] - 1]; // interpolator->GetExtent();
    const inInc = [0, 0, 0];
    inInc[0] = inScalars.getNumberOfComponents();
    inInc[1] = inInc[0] * inDims[0];
    inInc[2] = inInc[1] * inDims[1];

    const fullSize = inDims[0] * inDims[1] * inDims[2];
    if (componentOffset > 0 && componentOffset + inComponents < inInc[0]) {
      inPtr = inPtr.subarray(inputScalarSize * componentOffset);
    }

    let interpolationMode = InterpolationMode.NEAREST;
    if (model.interpolator.isA('vtkImageInterpolator')) {
      interpolationMode = model.interpolator.getInterpolationMode();
    }

    const convertScalars = null;
    const rescaleScalars =
      model.scalarShift !== 0.0 || model.scalarScale !== 1.0;

    // is nearest neighbor optimization possible?
    const optimizeNearest =
      interpolationMode === InterpolationMode.NEAREST &&
      borderMode === ImageBorderMode.CLAMP &&
      !(
        optimizedTransform != null ||
        perspective ||
        convertScalars != null ||
        rescaleScalars
      ) &&
      inputScalarType === outScalars.getDataType() &&
      fullSize === inScalars.getNumberOfTuples() &&
      model.border === true &&
      nsamples <= 1;

    // get pixel information
    const scalarType = outScalars.getDataType();
    const scalarSize = 1; // outScalars.getElementComponentSize() // outScalars.scalarSize;
    const outComponents = outScalars.getNumberOfComponents();

    // break matrix into a set of axes plus an origin
    // (this allows us to calculate the transform Incrementally)
    const xAxis = [0, 0, 0, 0];
    const yAxis = [0, 0, 0, 0];
    const zAxis = [0, 0, 0, 0];
    const origin = [0, 0, 0, 0];
    for (let i = 0; i < 4; ++i) {
      xAxis[i] = newmat[4 * 0 + i];
      yAxis[i] = newmat[4 * 1 + i];
      zAxis[i] = newmat[4 * 2 + i];
      origin[i] = newmat[4 * 3 + i];
    }

    // allocate an output row of type double
    let floatPtr = null;
    if (!optimizeNearest) {
      floatPtr = new Float64Array(
        inComponents * (outExt[1] - outExt[0] + nsamples)
      );
    }

    const background = macro.newTypedArray(
      inputScalarType,
      model.backgroundColor
    );

    // set color for area outside of input volume extent
    // void *background;
    // vtkAllocBackgroundPixel(&background,
    //    self->GetBackgroundColor(), scalarType, scalarSize, outComponents);

    // get various helper functions
    const forceClamping =
      interpolationMode > InterpolationMode.LINEAR ||
      (nsamples > 1 && model.slabMode === SlabMode.SUM);
    const convertpixels = publicAPI.getConversionFunc(
      inputScalarType,
      scalarType,
      model.scalarShift,
      model.scalarScale,
      forceClamping
    );
    const setpixels = publicAPI.getSetPixelsFunc(
      scalarType,
      scalarSize,
      outComponents,
      outPtr
    );
    const composite = publicAPI.getCompositeFunc(
      model.slabMode,
      model.slabTrapezoidIntegration
    );

    // create some variables for when we march through the data
    let idY = outExt[2] - 1;
    let idZ = outExt[4] - 1;
    const inPoint0 = [0.0, 0.0, 0.0, 0.0];
    const inPoint1 = [0.0, 0.0, 0.0, 0.0];

    // create an iterator to march through the data
    const iter = vtkImagePointDataIterator.newInstance();
    iter.initialize(output, outExt, model.stencil, null);
    const outPtr0 = iter.getScalars(output, 0);
    let outPtrIndex = 0;
    const outTmp = macro.newTypedArray(
      scalarType,
      vtkBoundingBox.getDiagonalLength(outExt) * outComponents * 2
    );

    const interpolatedPtr = new Float64Array(inComponents * nsamples);
    const interpolatedPoint = new Float64Array(inComponents);

    for (; !iter.isAtEnd(); iter.nextSpan()) {
      const span = iter.spanEndId() - iter.getId();
      outPtrIndex = iter.getId() * scalarSize * outComponents;

      if (!iter.isInStencil()) {
        // clear any regions that are outside the stencil
        const n = setpixels(outTmp, background, outComponents, span);
        for (let i = 0; i < n; ++i) {
          outPtr0[outPtrIndex++] = outTmp[i];
        }
      } else {
        // get output index, and compute position in input image
        const outIndex = iter.getIndex();

        // if Z index increased, then advance position along Z axis
        if (outIndex[2] > idZ) {
          idZ = outIndex[2];
          inPoint0[0] = origin[0] + idZ * zAxis[0];
          inPoint0[1] = origin[1] + idZ * zAxis[1];
          inPoint0[2] = origin[2] + idZ * zAxis[2];
          inPoint0[3] = origin[3] + idZ * zAxis[3];
          idY = outExt[2] - 1;
        }

        // if Y index increased, then advance position along Y axis
        if (outIndex[1] > idY) {
          idY = outIndex[1];
          inPoint1[0] = inPoint0[0] + idY * yAxis[0];
          inPoint1[1] = inPoint0[1] + idY * yAxis[1];
          inPoint1[2] = inPoint0[2] + idY * yAxis[2];
          inPoint1[3] = inPoint0[3] + idY * yAxis[3];
        }

        // march through one row of the output image
        const idXmin = outIndex[0];
        const idXmax = idXmin + span - 1;

        if (!optimizeNearest) {
          let wasInBounds = 1;
          let isInBounds = 1;
          let startIdX = idXmin;
          let idX = idXmin;
          const tmpPtr = floatPtr;
          let pixelIndex = 0;

          while (startIdX <= idXmax) {
            for (; idX <= idXmax && isInBounds === wasInBounds; idX++) {
              const inPoint2 = [
                inPoint1[0] + idX * xAxis[0],
                inPoint1[1] + idX * xAxis[1],
                inPoint1[2] + idX * xAxis[2],
                inPoint1[3] + idX * xAxis[3],
              ];

              const inPoint3 = [0, 0, 0, 0];
              let inPoint = inPoint2;
              isInBounds = false;

              let interpolatedPtrIndex = 0;
              for (let sample = 0; sample < nsamples; ++sample) {
                if (nsamples > 1) {
                  let s = sample - 0.5 * (nsamples - 1);
                  s *= slabSampleSpacing;
                  inPoint3[0] = inPoint2[0] + s * zAxis[0];
                  inPoint3[1] = inPoint2[1] + s * zAxis[1];
                  inPoint3[2] = inPoint2[2] + s * zAxis[2];
                  inPoint3[3] = inPoint2[3] + s * zAxis[3];
                  inPoint = inPoint3;
                }

                if (perspective) {
                  // only do perspective if necessary
                  const f = 1 / inPoint[3];
                  inPoint[0] *= f;
                  inPoint[1] *= f;
                  inPoint[2] *= f;
                }

                if (optimizedTransform !== null) {
                  // get the input origin and spacing for conversion purposes
                  const inOrigin = model.interpolator.getOrigin();
                  const inSpacing = model.interpolator.getSpacing();
                  const inInvSpacing = [
                    1.0 / inSpacing[0],
                    1.0 / inSpacing[1],
                    1.0 / inSpacing[2],
                  ];

                  // apply the AbstractTransform if there is one
                  // TBD: handle inDirection
                  publicAPI.applyTransform(
                    optimizedTransform,
                    inPoint,
                    inOrigin,
                    inInvSpacing
                  );
                }

                if (model.interpolator.checkBoundsIJK(inPoint)) {
                  // do the interpolation
                  isInBounds = 1;
                  model.interpolator.interpolateIJK(inPoint, interpolatedPoint);
                  for (let i = 0; i < inComponents; ++i) {
                    interpolatedPtr[interpolatedPtrIndex++] =
                      interpolatedPoint[i];
                  }
                }
              }

              if (interpolatedPtrIndex > inComponents) {
                composite(
                  interpolatedPtr,
                  inComponents,
                  interpolatedPtrIndex / inComponents
                );
              }
              for (let i = 0; i < inComponents; ++i) {
                tmpPtr[pixelIndex++] = interpolatedPtr[i];
              }

              // set "was in" to "is in" if first pixel
              wasInBounds = idX > idXmin ? wasInBounds : isInBounds;
            }

            // write a segment to the output
            const endIdX = idX - 1 - (isInBounds !== wasInBounds);
            const numpixels = endIdX - startIdX + 1;

            let n = 0;
            if (wasInBounds) {
              if (outputStencil) {
                outputStencil.insertNextExtent(startIdX, endIdX, idY, idZ);
              }

              if (rescaleScalars) {
                publicAPI.rescaleScalars(
                  floatPtr,
                  inComponents,
                  idXmax - idXmin + 1,
                  model.scalarShift,
                  model.scalarScale
                );
              }

              if (convertScalars) {
                convertScalars(
                  floatPtr.subarray(startIdX * inComponents),
                  outTmp,
                  inputScalarType,
                  inComponents,
                  numpixels,
                  startIdX,
                  idY,
                  idZ
                );
                n = numpixels * outComponents * scalarSize;
              } else {
                n = convertpixels(
                  outTmp,
                  floatPtr.subarray(startIdX * inComponents),
                  outComponents,
                  numpixels
                );
              }
            } else {
              n = setpixels(outTmp, background, outComponents, numpixels);
            }
            for (let i = 0; i < n; ++i) {
              outPtr0[outPtrIndex++] = outTmp[i];
            }

            startIdX += numpixels;
            wasInBounds = isInBounds;
          }
        } else {
          // optimize for nearest-neighbor interpolation
          const inPtrTmp0 = inPtr;
          const outPtrTmp = outPtr;

          const inIncX = inInc[0] * inputScalarSize;
          const inIncY = inInc[1] * inputScalarSize;
          const inIncZ = inInc[2] * inputScalarSize;

          const inExtX = inExt[1] - inExt[0] + 1;
          const inExtY = inExt[3] - inExt[2] + 1;
          const inExtZ = inExt[5] - inExt[4] + 1;

          let startIdX = idXmin;
          let endIdX = idXmin - 1;
          let isInBounds = false;
          const bytesPerPixel = inputScalarSize * inComponents;

          for (let iidX = idXmin; iidX <= idXmax; iidX++) {
            const inPoint = [
              inPoint1[0] + iidX * xAxis[0],
              inPoint1[1] + iidX * xAxis[1],
              inPoint1[2] + iidX * xAxis[2],
            ];

            const inIdX = vtkInterpolationMathRound(inPoint[0]) - inExt[0];
            const inIdY = vtkInterpolationMathRound(inPoint[1]) - inExt[2];
            const inIdZ = vtkInterpolationMathRound(inPoint[2]) - inExt[4];

            if (
              inIdX >= 0 &&
              inIdX < inExtX &&
              inIdY >= 0 &&
              inIdY < inExtY &&
              inIdZ >= 0 &&
              inIdZ < inExtZ
            ) {
              if (!isInBounds) {
                // clear leading out-of-bounds pixels
                startIdX = iidX;
                isInBounds = true;
                const n = setpixels(
                  outTmp,
                  background,
                  outComponents,
                  startIdX - idXmin
                );
                for (let i = 0; i < n; ++i) {
                  outPtr0[outPtrIndex++] = outTmp[i];
                }
              }
              // set the final index that was within input bounds
              endIdX = iidX;

              // perform nearest-neighbor interpolation via pixel copy
              let offset = inIdX * inIncX + inIdY * inIncY + inIdZ * inIncZ;

              // when memcpy is used with a constant size, the compiler will
              // optimize away the function call and use the minimum number
              // of instructions necessary to perform the copy
              switch (bytesPerPixel) {
                case 1:
                  outPtr0[outPtrIndex++] = inPtrTmp0[offset];
                  break;
                case 2:
                case 3:
                case 4:
                case 8:
                case 12:
                case 16:
                  for (let i = 0; i < bytesPerPixel; ++i) {
                    outPtr0[outPtrIndex++] = inPtrTmp0[offset + i];
                  }
                  break;
                default: {
                  // TODO: check bytes
                  let oc = 0;
                  do {
                    outPtr0[outPtrIndex++] = inPtrTmp0[offset++];
                  } while (++oc !== bytesPerPixel);
                  break;
                }
              }
            } else if (isInBounds) {
              // leaving input bounds
              break;
            }
          }

          // clear trailing out-of-bounds pixels
          outPtr = outPtrTmp;
          const n = setpixels(
            outTmp,
            background,
            outComponents,
            idXmax - endIdX
          );
          for (let i = 0; i < n; ++i) {
            outPtr0[outPtrIndex++] = outTmp[i];
          }

          if (outputStencil && endIdX >= startIdX) {
            outputStencil.insertNextExtent(startIdX, endIdX, idY, idZ);
          }
        }
      }
    }
  };
  /**
   * The transform matrix supplied by the user converts output coordinates
   * to input coordinates.
   * To speed up the pixel lookup, the following function provides a
   * matrix which converts output pixel indices to input pixel indices.
   * This will also concatenate the ResliceAxes and the ResliceTransform
   * if possible (if the ResliceTransform is a 4x4 matrix transform).
   * If it does, this->OptimizedTransform will be set to nullptr, otherwise
   * this->OptimizedTransform will be equal to this->ResliceTransform.
   * @param {vtkImageData} input
   * @param {vtkImageData} output
   * @returns
   */
  publicAPI.getIndexMatrix = (input, output) => {
    const transform = mat4.identity(new Float64Array(16));
    optimizedTransform = null;

    if (model.resliceAxes) {
      mat4.copy(transform, model.resliceAxes);
    }
    if (model.resliceTransform) {
      if (model.resliceTransform.isA('vtkHomogeneousTransform')) {
        mat4.multiply(transform, model.resliceTransform.getMatrix(), transform);
      } else {
        // TODO
        vtkWarningMacro('Non homogeneous transform have not yet been ported');
      }
    }

    // the outMatrix takes OutputData indices to OutputData coordinates,
    const outMatrix = output.getIndexToWorld();
    mat4.multiply(transform, transform, outMatrix);

    // the inMatrix takes InputData coordinates to InputData indices
    // the optimizedTransform requires data coords, not index coords, as its input
    if (optimizedTransform == null) {
      const inMatrix = input.getWorldToIndex();
      mat4.multiply(transform, inMatrix, transform);
    }

    mat4.copy(indexMatrix, transform);

    return indexMatrix;
  };

  publicAPI.getAutoCroppedOutputBounds = (input) => {
    const inOrigin = input.getOrigin();
    const inSpacing = input.getSpacing();
    const inDirection = input.getDirection();
    const dims = input.getDimensions();
    const inWholeExt = [0, dims[0] - 1, 0, dims[1] - 1, 0, dims[2] - 1];

    const matrix = new Float64Array(16);
    if (model.resliceAxes) {
      mat4.invert(matrix, model.resliceAxes);
    } else {
      mat4.identity(matrix);
    }
    let transform = null;
    if (model.resliceTransform) {
      transform = model.resliceTransform.getInverse();
    }
    let imageTransform = null;
    if (!vtkMath.isIdentity3x3(inDirection)) {
      imageTransform = vtkMatrixBuilder
        .buildFromRadian()
        .translate(inOrigin[0], inOrigin[1], inOrigin[2])
        .multiply3x3(inDirection)
        .translate(-inOrigin[0], -inOrigin[1], -inOrigin[2])
        .invert()
        .getMatrix();
    }

    const bounds = [
      Number.MAX_VALUE,
      -Number.MAX_VALUE,
      Number.MAX_VALUE,
      -Number.MAX_VALUE,
      Number.MAX_VALUE,
      -Number.MAX_VALUE,
    ];

    const point = [0, 0, 0, 0];
    for (let i = 0; i < 8; ++i) {
      point[0] = inOrigin[0] + inWholeExt[i % 2] * inSpacing[0];
      point[1] =
        inOrigin[1] + inWholeExt[2 + (Math.floor(i / 2) % 2)] * inSpacing[1];
      point[2] =
        inOrigin[2] + inWholeExt[4 + (Math.floor(i / 4) % 2)] * inSpacing[2];
      point[3] = 1.0;

      if (imageTransform) {
        vec4.transformMat4(point, point, imageTransform);
      }

      if (model.resliceTransform) {
        transform.transformPoint(point, point);
      }

      vec4.transformMat4(point, point, matrix);

      const f = 1.0 / point[3];
      point[0] *= f;
      point[1] *= f;
      point[2] *= f;

      for (let j = 0; j < 3; ++j) {
        if (point[j] > bounds[2 * j + 1]) {
          bounds[2 * j + 1] = point[j];
        }
        if (point[j] < bounds[2 * j]) {
          bounds[2 * j] = point[j];
        }
      }
    }
    return bounds;
  };

  publicAPI.getDataTypeMinMax = (dataType) => {
    switch (dataType) {
      case 'Int8Array':
        return { min: -128, max: 127 };
      case 'Int16Array':
        return { min: -32768, max: 32767 };
      case 'Uint16Array':
        return { min: 0, max: 65535 };
      case 'Int32Array':
        return { min: -2147483648, max: 2147483647 };
      case 'Uint32Array':
        return { min: 0, max: 4294967295 };
      case 'Float32Array':
        return { min: -1.2e38, max: 1.2e38 };
      case 'Float64Array':
        return { min: -1.2e38, max: 1.2e38 };
      case 'Uint8Array':
      case 'Uint8ClampedArray':
      default:
        return { min: 0, max: 255 };
    }
  };

  publicAPI.clamp = (outPtr, inPtr, numscalars, n, min, max) => {
    const count = n * numscalars;
    for (let i = 0; i < count; ++i) {
      outPtr[i] = vtkInterpolationMathClamp(inPtr[i], min, max);
    }
    return count;
  };

  publicAPI.convert = (outPtr, inPtr, numscalars, n) => {
    const count = n * numscalars;
    for (let i = 0; i < count; ++i) {
      outPtr[i] = Math.round(inPtr[i]);
    }
    return count;
  };

  publicAPI.getConversionFunc = (
    inputType,
    dataType,
    scalarShift,
    scalarScale,
    forceClamping
  ) => {
    let useClamping = forceClamping;
    if (
      dataType !== VtkDataTypes.FLOAT &&
      dataType !== VtkDataTypes.DOUBLE &&
      !forceClamping
    ) {
      const inMinMax = publicAPI.getDataTypeMinMax(inputType);
      let checkMin = (inMinMax.min + scalarShift) * scalarScale;
      let checkMax = (inMinMax.max + scalarShift) * scalarScale;
      const outMinMax = publicAPI.getDataTypeMinMax(dataType);
      const outputMin = outMinMax.min;
      const outputMax = outMinMax.max;
      if (checkMin > checkMax) {
        const tmp = checkMax;
        checkMax = checkMin;
        checkMin = tmp;
      }
      useClamping = checkMin < outputMin || checkMax > outputMax;
    }

    if (
      useClamping &&
      dataType !== VtkDataTypes.FLOAT &&
      dataType !== VtkDataTypes.DOUBLE
    ) {
      const minMax = publicAPI.getDataTypeMinMax(dataType);
      const clamp = (outPtr, inPtr, numscalars, n) =>
        publicAPI.clamp(outPtr, inPtr, numscalars, n, minMax.min, minMax.max);
      return clamp;
    }
    return publicAPI.convert;
  };

  publicAPI.set = (outPtr, inPtr, numscalars, n) => {
    const count = numscalars * n;
    for (let i = 0; i < n; ++i) {
      outPtr[i] = inPtr[i];
    }
    return count;
  };

  publicAPI.set1 = (outPtr, inPtr, numscalars, n) => {
    outPtr.fill(inPtr[0], 0, n);
    return n;
  };

  publicAPI.getSetPixelsFunc = (dataType, dataSize, numscalars, dataPtr) =>
    numscalars === 1 ? publicAPI.set1 : publicAPI.set;

  publicAPI.getCompositeFunc = (slabMode, slabTrapezoidIntegration) => {
    let composite = null;
    // eslint-disable-next-line default-case
    switch (slabMode) {
      case SlabMode.MIN:
        composite = getImageResliceCompositeMinValue;
        break;
      case SlabMode.MAX:
        composite = getImageResliceCompositeMaxValue;
        break;
      case SlabMode.MEAN:
        if (slabTrapezoidIntegration) {
          composite = getImageResliceCompositeMeanTrap;
        } else {
          composite = getImageResliceCompositeMeanValue;
        }
        break;
      case SlabMode.SUM:
        if (slabTrapezoidIntegration) {
          composite = getImageResliceCompositeSumTrap;
        } else {
          composite = getImageResliceCompositeSumValue;
        }
        break;
    }

    return composite;
  };

  publicAPI.applyTransform = (newTrans, inPoint, inOrigin, inInvSpacing) => {
    inPoint[3] = 1;
    vec4.transformMat4(inPoint, inPoint, newTrans);
    inPoint[0] -= inOrigin[0];
    inPoint[1] -= inOrigin[1];
    inPoint[2] -= inOrigin[2];
    inPoint[0] *= inInvSpacing[0];
    inPoint[1] *= inInvSpacing[1];
    inPoint[2] *= inInvSpacing[2];
  };

  publicAPI.rescaleScalars = (
    floatData,
    components,
    n,
    scalarShift,
    scalarScale
  ) => {
    const m = n * components;
    for (let i = 0; i < m; ++i) {
      floatData[i] = (floatData[i] + scalarShift) * scalarScale;
    }
  };

  publicAPI.isPermutationMatrix = (matrix) => {
    for (let i = 0; i < 3; i++) {
      if (matrix[4 * i + 3] !== 0) {
        return false;
      }
    }
    if (matrix[4 * 3 + 3] !== 1) {
      return false;
    }
    for (let j = 0; j < 3; j++) {
      let k = 0;
      for (let i = 0; i < 3; i++) {
        if (matrix[4 * j + i] !== 0) {
          k++;
        }
      }
      if (k !== 1) {
        return false;
      }
    }
    return true;
  };

  // TODO: to move in vtkMath and add tolerance
  publicAPI.isIdentityMatrix = (matrix) => {
    for (let i = 0; i < 4; ++i) {
      for (let j = 0; j < 4; ++j) {
        if ((i === j ? 1.0 : 0.0) !== matrix[4 * j + i]) {
          return false;
        }
      }
    }
    return true;
  };

  publicAPI.isPerspectiveMatrix = (matrix) =>
    matrix[4 * 0 + 3] !== 0 ||
    matrix[4 * 1 + 3] !== 0 ||
    matrix[4 * 2 + 3] !== 0 ||
    matrix[4 * 3 + 3] !== 1;

  publicAPI.canUseNearestNeighbor = (matrix, outExt) => {
    // loop through dimensions
    for (let i = 0; i < 3; i++) {
      let j;
      for (j = 0; j < 3; j++) {
        if (matrix[4 * j + i] !== 0) {
          break;
        }
      }
      if (j >= 3) {
        return false;
      }
      let x = matrix[4 * j + i];
      let y = matrix[4 * 3 + i];
      if (outExt[2 * j] === outExt[2 * j + 1]) {
        y += x * outExt[2 * i];
        x = 0;
      }
      const fx = vtkInterpolationMathFloor(x, 0).error;
      const fy = vtkInterpolationMathFloor(y, 0).error;
      if (fx !== 0 || fy !== 0) {
        return false;
      }
    }
    return true;
  };
}

// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------

const DEFAULT_VALUES = {
  transformInputSampling: true,
  autoCropOutput: false,
  outputDimensionality: 3,
  outputSpacing: null, // automatically computed if null
  outputOrigin: null, // automatically computed if null
  outputDirection: null, // identity if null
  outputExtent: null, // automatically computed if null
  outputScalarType: null,
  wrap: false, // don't wrap
  mirror: false, // don't mirror
  border: true, // apply a border
  interpolationMode: InterpolationMode.NEAREST, // only NEAREST supported so far
  slabMode: SlabMode.MIN,
  slabTrapezoidIntegration: false,
  slabNumberOfSlices: 1,
  slabSliceSpacingFraction: 1,
  optimization: false, // not supported yet
  scalarShift: 0, // for rescaling the data
  scalarScale: 1,
  backgroundColor: [0, 0, 0, 0],
  resliceAxes: null,
  // resliceTransform: null,
  interpolator: vtkImageInterpolator.newInstance(),
  usePermuteExecute: false, // no supported yet
};

// ----------------------------------------------------------------------------

export function extend(publicAPI, model, initialValues = {}) {
  Object.assign(model, DEFAULT_VALUES, initialValues);

  // Make this a VTK object
  macro.obj(publicAPI, model);

  // Also make it an algorithm with one input and one output
  macro.algo(publicAPI, model, 1, 1);

  macro.setGet(publicAPI, model, [
    'outputDimensionality',
    'outputScalarType',
    'scalarShift',
    'scalarScale',
    'transformInputSampling',
    'autoCropOutput',
    'wrap',
    'mirror',
    'border',
    'interpolationMode',
    'resliceTransform',
    'slabMode',
    'slabTrapezoidIntegration',
    'slabNumberOfSlices',
    'slabSliceSpacingFraction',
  ]);

  macro.setGetArray(publicAPI, model, ['outputOrigin', 'outputSpacing'], 3);
  macro.setGetArray(publicAPI, model, ['outputExtent'], 6);
  macro.setGetArray(publicAPI, model, ['outputDirection'], 9);
  macro.setGetArray(publicAPI, model, ['backgroundColor'], 4);

  macro.get(publicAPI, model, ['resliceAxes']);

  // Object specific methods
  vtkImageReslice(publicAPI, model);
}

// ----------------------------------------------------------------------------

export const newInstance = macro.newInstance(extend, 'vtkImageReslice');

// ----------------------------------------------------------------------------

export default { newInstance, extend, ...Constants };
@@ -151,7 +1746,7 @@

Contents -
  1. Introduction
  2. Usage
  3. Public API
    1. ResliceAxes (set/get)
    2. OutputDimensionality (set/get)
    3. OutputOrigin (set/get)
    4. OutputSpacing (set/get)
    5. OutputExtent (set/get)
    6. OutputScalarType (set/get)
    7. ScalarShift (set/get)
    8. ScalarScale (set/get)
    9. Wrap (set/get)
    10. Mirror (set/get)
    11. Border (set/get)
    12. BackgroundColor (set/get)
    13. TransformInputSampling (set/get)
    14. AutoCropOutput (set/get)
  • Source +
    1. Introduction
    2. Methods
      1. applyTransform
        1. Returns
      2. canUseNearestNeighbor
        1. Returns
      3. clamp
        1. Returns
      4. convert
        1. Returns
      5. extend
      6. getAutoCropOutput
        1. Returns
      7. getAutoCroppedOutputBounds
        1. Returns
      8. getBackgroundColor
        1. Returns
      9. getBorder
        1. Returns
      10. getCompositeFunc
        1. Returns
      11. getConversionFunc
        1. Returns
      12. getDataTypeMinMax
        1. Returns
      13. getIndexMatrix
        1. Returns
      14. getInterpolationMode
        1. Returns
      15. getMirror
        1. Returns
      16. getOutputDimensionality
        1. Returns
      17. getOutputDirection
        1. Returns
      18. getOutputExtent
        1. Returns
      19. getOutputOrigin
        1. Returns
      20. getOutputScalarType
        1. Returns
      21. getOutputSpacing
        1. Returns
      22. getResliceAxes
        1. Returns
      23. getResliceTransform
        1. Returns
      24. getScalarScale
        1. Returns
      25. getScalarShift
        1. Returns
      26. getSetPixelsFunc
        1. Returns
      27. getSlabMode
        1. Returns
      28. getSlabNumberOfSlices
        1. Returns
      29. getSlabSliceSpacingFraction
        1. Returns
      30. getSlabTrapezoidIntegration
        1. Returns
      31. getTransformInputSampling
        1. Returns
      32. getWrap
        1. Returns
      33. isIdentityMatrix
        1. Returns
      34. isPermutationMatrix
        1. Returns
      35. isPerspectiveMatrix
        1. Returns
      36. newInstance
      37. requestData
      38. rescaleScalars
        1. Returns
      39. set
        1. Returns
      40. set1
        1. Returns
      41. setAutoCropOutput
        1. Returns
      42. setBackgroundColor
        1. Returns
      43. setBorder
        1. Returns
      44. setInterpolationMode
        1. Returns
      45. setMirror
        1. Returns
      46. setOutputDimensionality
        1. Returns
      47. setOutputDirection
        1. Returns
      48. setOutputExtent
        1. Returns
      49. setOutputOrigin
        1. Returns
      50. setOutputScalarType
        1. Returns
      51. setOutputSpacing
        1. Returns
      52. setResliceAxes
        1. Returns
      53. setResliceTransform
        1. Returns
      54. setScalarScale
        1. Returns
      55. setScalarShift
        1. Returns
      56. setSlabMode
        1. Returns
      57. setSlabNumberOfSlices
        1. Returns
      58. setSlabSliceSpacingFraction
        1. Returns
      59. setSlabTrapezoidIntegration
        1. Returns
      60. setTransformInputSampling
        1. Returns
      61. setWrap
        1. Returns
      62. vtkImageResliceExecute
        1. Returns
  • Source Back to Top
    • diff --git a/api/Imaging_Hybrid_SampleFunction.html b/api/Imaging_Hybrid_SampleFunction.html index 507fa73e454..71555cf3c0f 100644 --- a/api/Imaging_Hybrid_SampleFunction.html +++ b/api/Imaging_Hybrid_SampleFunction.html @@ -48,8 +48,8 @@ - - + + @@ -121,7 +121,7 @@

    diff --git a/api/Interaction_Animations_TimeStepBasedAnimationHandler.html b/api/Interaction_Animations_TimeStepBasedAnimationHandler.html index b10905e7f50..f06223beca6 100644 --- a/api/Interaction_Animations_TimeStepBasedAnimationHandler.html +++ b/api/Interaction_Animations_TimeStepBasedAnimationHandler.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Interaction_Manipulators_CompositeCameraManipulator.html b/api/Interaction_Manipulators_CompositeCameraManipulator.html index fded1ef71d7..6b11634ad43 100644 --- a/api/Interaction_Manipulators_CompositeCameraManipulator.html +++ b/api/Interaction_Manipulators_CompositeCameraManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -195,7 +195,7 @@

    diff --git a/api/Interaction_Manipulators_CompositeGestureManipulator.html b/api/Interaction_Manipulators_CompositeGestureManipulator.html index aaca3eaa979..5411fe23248 100644 --- a/api/Interaction_Manipulators_CompositeGestureManipulator.html +++ b/api/Interaction_Manipulators_CompositeGestureManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -402,7 +402,7 @@

    diff --git a/api/Interaction_Manipulators_CompositeKeyboardManipulator.html b/api/Interaction_Manipulators_CompositeKeyboardManipulator.html index b41217de364..affa91b0bf1 100644 --- a/api/Interaction_Manipulators_CompositeKeyboardManipulator.html +++ b/api/Interaction_Manipulators_CompositeKeyboardManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -205,7 +205,7 @@

    diff --git a/api/Interaction_Manipulators_CompositeMouseManipulator.html b/api/Interaction_Manipulators_CompositeMouseManipulator.html index 593276ffb6f..8b6e0afb1d4 100644 --- a/api/Interaction_Manipulators_CompositeMouseManipulator.html +++ b/api/Interaction_Manipulators_CompositeMouseManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -349,7 +349,7 @@

    diff --git a/api/Interaction_Manipulators_CompositeVRManipulator.html b/api/Interaction_Manipulators_CompositeVRManipulator.html index 727a9e3ef7d..35fb00145a5 100644 --- a/api/Interaction_Manipulators_CompositeVRManipulator.html +++ b/api/Interaction_Manipulators_CompositeVRManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -118,7 +118,7 @@

    diff --git a/api/Interaction_Manipulators_GestureCameraManipulator.html b/api/Interaction_Manipulators_GestureCameraManipulator.html index 72a15a7e3fb..0ddb5c830b1 100644 --- a/api/Interaction_Manipulators_GestureCameraManipulator.html +++ b/api/Interaction_Manipulators_GestureCameraManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -118,7 +118,7 @@

    diff --git a/api/Interaction_Manipulators_KeyboardCameraManipulator.html b/api/Interaction_Manipulators_KeyboardCameraManipulator.html index 91dceba02cc..69f0fea7a10 100644 --- a/api/Interaction_Manipulators_KeyboardCameraManipulator.html +++ b/api/Interaction_Manipulators_KeyboardCameraManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Interaction_Manipulators_MouseBoxSelectorManipulator.html b/api/Interaction_Manipulators_MouseBoxSelectorManipulator.html index 451eadf6292..e0eaaf49f1f 100644 --- a/api/Interaction_Manipulators_MouseBoxSelectorManipulator.html +++ b/api/Interaction_Manipulators_MouseBoxSelectorManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -208,7 +208,7 @@

    diff --git a/api/Interaction_Manipulators_MouseCameraAxisRotateManipulator.html b/api/Interaction_Manipulators_MouseCameraAxisRotateManipulator.html index aef791fff59..c1ba1011107 100644 --- a/api/Interaction_Manipulators_MouseCameraAxisRotateManipulator.html +++ b/api/Interaction_Manipulators_MouseCameraAxisRotateManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Interaction_Manipulators_MouseCameraSliceManipulator.html b/api/Interaction_Manipulators_MouseCameraSliceManipulator.html index de1ad0d457c..c6cb00a4967 100644 --- a/api/Interaction_Manipulators_MouseCameraSliceManipulator.html +++ b/api/Interaction_Manipulators_MouseCameraSliceManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Interaction_Manipulators_MouseCameraTrackballFirstPersonManipulator.html b/api/Interaction_Manipulators_MouseCameraTrackballFirstPersonManipulator.html index 1ce7817bf4f..6ace3d659e2 100644 --- a/api/Interaction_Manipulators_MouseCameraTrackballFirstPersonManipulator.html +++ b/api/Interaction_Manipulators_MouseCameraTrackballFirstPersonManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Interaction_Manipulators_MouseCameraTrackballMultiRotateManipulator.html b/api/Interaction_Manipulators_MouseCameraTrackballMultiRotateManipulator.html index d6a98b0c131..4072153efa3 100644 --- a/api/Interaction_Manipulators_MouseCameraTrackballMultiRotateManipulator.html +++ b/api/Interaction_Manipulators_MouseCameraTrackballMultiRotateManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -118,7 +118,7 @@

    diff --git a/api/Interaction_Manipulators_MouseCameraTrackballPanManipulator.html b/api/Interaction_Manipulators_MouseCameraTrackballPanManipulator.html index 474dcbf97d5..73f7e43a904 100644 --- a/api/Interaction_Manipulators_MouseCameraTrackballPanManipulator.html +++ b/api/Interaction_Manipulators_MouseCameraTrackballPanManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -118,7 +118,7 @@

    diff --git a/api/Interaction_Manipulators_MouseCameraTrackballRollManipulator.html b/api/Interaction_Manipulators_MouseCameraTrackballRollManipulator.html index 48142e47b52..e23f0730560 100644 --- a/api/Interaction_Manipulators_MouseCameraTrackballRollManipulator.html +++ b/api/Interaction_Manipulators_MouseCameraTrackballRollManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -118,7 +118,7 @@

    diff --git a/api/Interaction_Manipulators_MouseCameraTrackballRotateManipulator.html b/api/Interaction_Manipulators_MouseCameraTrackballRotateManipulator.html index 38e7c1acbec..25c4f80c16d 100644 --- a/api/Interaction_Manipulators_MouseCameraTrackballRotateManipulator.html +++ b/api/Interaction_Manipulators_MouseCameraTrackballRotateManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -171,7 +171,7 @@

    diff --git a/api/Interaction_Manipulators_MouseCameraTrackballZoomManipulator.html b/api/Interaction_Manipulators_MouseCameraTrackballZoomManipulator.html index 737aa546095..fc206e26609 100644 --- a/api/Interaction_Manipulators_MouseCameraTrackballZoomManipulator.html +++ b/api/Interaction_Manipulators_MouseCameraTrackballZoomManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -136,7 +136,7 @@

    diff --git a/api/Interaction_Manipulators_MouseCameraTrackballZoomToMouseManipulator.html b/api/Interaction_Manipulators_MouseCameraTrackballZoomToMouseManipulator.html index 19a93747009..dfae4f6e3a1 100644 --- a/api/Interaction_Manipulators_MouseCameraTrackballZoomToMouseManipulator.html +++ b/api/Interaction_Manipulators_MouseCameraTrackballZoomToMouseManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -118,7 +118,7 @@

    diff --git a/api/Interaction_Manipulators_MouseCameraUnicamManipulator.html b/api/Interaction_Manipulators_MouseCameraUnicamManipulator.html index e62477ae40f..8e3b88f6906 100644 --- a/api/Interaction_Manipulators_MouseCameraUnicamManipulator.html +++ b/api/Interaction_Manipulators_MouseCameraUnicamManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Interaction_Manipulators_MouseCameraUnicamRotateManipulator.html b/api/Interaction_Manipulators_MouseCameraUnicamRotateManipulator.html index 92edc05e03b..26a5a07d927 100644 --- a/api/Interaction_Manipulators_MouseCameraUnicamRotateManipulator.html +++ b/api/Interaction_Manipulators_MouseCameraUnicamRotateManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Interaction_Manipulators_MouseRangeManipulator.html b/api/Interaction_Manipulators_MouseRangeManipulator.html index 65f1c55bd88..594039a5ad0 100644 --- a/api/Interaction_Manipulators_MouseRangeManipulator.html +++ b/api/Interaction_Manipulators_MouseRangeManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -118,7 +118,7 @@

    diff --git a/api/Interaction_Manipulators_VRButtonPanManipulator.html b/api/Interaction_Manipulators_VRButtonPanManipulator.html index aac60bd959b..ab53f152b01 100644 --- a/api/Interaction_Manipulators_VRButtonPanManipulator.html +++ b/api/Interaction_Manipulators_VRButtonPanManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Interaction_Misc_DeviceOrientationToCamera.html b/api/Interaction_Misc_DeviceOrientationToCamera.html index b0093cc8d79..bedec9df72d 100644 --- a/api/Interaction_Misc_DeviceOrientationToCamera.html +++ b/api/Interaction_Misc_DeviceOrientationToCamera.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Interaction_Style_InteractorStyleImage.html b/api/Interaction_Style_InteractorStyleImage.html index adeb85935a9..82811de52f4 100644 --- a/api/Interaction_Style_InteractorStyleImage.html +++ b/api/Interaction_Style_InteractorStyleImage.html @@ -48,8 +48,8 @@ - - + + @@ -301,7 +301,7 @@

    diff --git a/api/Interaction_Style_InteractorStyleMPRSlice.html b/api/Interaction_Style_InteractorStyleMPRSlice.html index d0ae3b3f987..adf4962afaf 100644 --- a/api/Interaction_Style_InteractorStyleMPRSlice.html +++ b/api/Interaction_Style_InteractorStyleMPRSlice.html @@ -48,8 +48,8 @@ - - + + @@ -131,7 +131,7 @@

    diff --git a/api/Interaction_Style_InteractorStyleManipulator.html b/api/Interaction_Style_InteractorStyleManipulator.html index 453e1db1797..545db050dbc 100644 --- a/api/Interaction_Style_InteractorStyleManipulator.html +++ b/api/Interaction_Style_InteractorStyleManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -879,7 +879,7 @@

    diff --git a/api/Interaction_Style_InteractorStyleRemoteMouse.html b/api/Interaction_Style_InteractorStyleRemoteMouse.html index 8ff9d01433e..671eee94f76 100644 --- a/api/Interaction_Style_InteractorStyleRemoteMouse.html +++ b/api/Interaction_Style_InteractorStyleRemoteMouse.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Interaction_Style_InteractorStyleTrackballCamera.html b/api/Interaction_Style_InteractorStyleTrackballCamera.html index c039c28dc95..90828be9623 100644 --- a/api/Interaction_Style_InteractorStyleTrackballCamera.html +++ b/api/Interaction_Style_InteractorStyleTrackballCamera.html @@ -48,8 +48,8 @@ - - + + @@ -539,7 +539,7 @@

    diff --git a/api/Interaction_Style_InteractorStyleUnicam.html b/api/Interaction_Style_InteractorStyleUnicam.html index a34307fd649..81ab6a49803 100644 --- a/api/Interaction_Style_InteractorStyleUnicam.html +++ b/api/Interaction_Style_InteractorStyleUnicam.html @@ -48,8 +48,8 @@ - - + + @@ -132,7 +132,7 @@

    diff --git a/api/Interaction_UI_CornerAnnotation.html b/api/Interaction_UI_CornerAnnotation.html index e84e1922071..3a4ec702ef5 100644 --- a/api/Interaction_UI_CornerAnnotation.html +++ b/api/Interaction_UI_CornerAnnotation.html @@ -48,8 +48,8 @@ - - + + @@ -118,7 +118,7 @@

    diff --git a/api/Interaction_UI_FPSMonitor.html b/api/Interaction_UI_FPSMonitor.html index 6ba9de1f535..ae6c2386e26 100644 --- a/api/Interaction_UI_FPSMonitor.html +++ b/api/Interaction_UI_FPSMonitor.html @@ -48,8 +48,8 @@ - - + + @@ -118,7 +118,7 @@

    diff --git a/api/Interaction_UI_Icons.html b/api/Interaction_UI_Icons.html index f465a205962..240946f49a5 100644 --- a/api/Interaction_UI_Icons.html +++ b/api/Interaction_UI_Icons.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Interaction_UI_Slider.html b/api/Interaction_UI_Slider.html index ef8d8f0da17..fdc14879fc8 100644 --- a/api/Interaction_UI_Slider.html +++ b/api/Interaction_UI_Slider.html @@ -48,8 +48,8 @@ - - + + @@ -119,7 +119,7 @@

    diff --git a/api/Interaction_UI_VolumeController.html b/api/Interaction_UI_VolumeController.html index fb51fe2fd88..824a0141bca 100644 --- a/api/Interaction_UI_VolumeController.html +++ b/api/Interaction_UI_VolumeController.html @@ -48,8 +48,8 @@ - - + + @@ -118,7 +118,7 @@

    diff --git a/api/Interaction_Widgets_OrientationMarkerWidget.html b/api/Interaction_Widgets_OrientationMarkerWidget.html index 871007a17f4..52ce57ae637 100644 --- a/api/Interaction_Widgets_OrientationMarkerWidget.html +++ b/api/Interaction_Widgets_OrientationMarkerWidget.html @@ -48,8 +48,8 @@ - - + + @@ -315,7 +315,7 @@

    diff --git a/api/Interaction_Widgets_PiecewiseGaussianWidget.html b/api/Interaction_Widgets_PiecewiseGaussianWidget.html index d83a6f50319..a0a91b9dc4d 100644 --- a/api/Interaction_Widgets_PiecewiseGaussianWidget.html +++ b/api/Interaction_Widgets_PiecewiseGaussianWidget.html @@ -48,8 +48,8 @@ - - + + @@ -118,7 +118,7 @@

    diff --git a/api/Proxy_Animation_AbstractAnimationProxy.html b/api/Proxy_Animation_AbstractAnimationProxy.html index 85d969fc0a3..41d8c8c8340 100644 --- a/api/Proxy_Animation_AbstractAnimationProxy.html +++ b/api/Proxy_Animation_AbstractAnimationProxy.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Proxy_Animation_AnimationProxyManager.html b/api/Proxy_Animation_AnimationProxyManager.html index 1c3840f29ce..843b878a9dc 100644 --- a/api/Proxy_Animation_AnimationProxyManager.html +++ b/api/Proxy_Animation_AnimationProxyManager.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Proxy_Animation_TimeStepBasedAnimationHandlerProxy.html b/api/Proxy_Animation_TimeStepBasedAnimationHandlerProxy.html index aba2530a9fe..57f88f473c5 100644 --- a/api/Proxy_Animation_TimeStepBasedAnimationHandlerProxy.html +++ b/api/Proxy_Animation_TimeStepBasedAnimationHandlerProxy.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Proxy_Core_AbstractRepresentationProxy.html b/api/Proxy_Core_AbstractRepresentationProxy.html index d85258b2501..f4e5d6df6dd 100644 --- a/api/Proxy_Core_AbstractRepresentationProxy.html +++ b/api/Proxy_Core_AbstractRepresentationProxy.html @@ -48,8 +48,8 @@ - - + + @@ -118,7 +118,7 @@

    diff --git a/api/Proxy_Core_LookupTableProxy.html b/api/Proxy_Core_LookupTableProxy.html index e7864c97315..9323e95307e 100644 --- a/api/Proxy_Core_LookupTableProxy.html +++ b/api/Proxy_Core_LookupTableProxy.html @@ -48,8 +48,8 @@ - - + + @@ -119,7 +119,7 @@

    diff --git a/api/Proxy_Core_PiecewiseFunctionProxy.html b/api/Proxy_Core_PiecewiseFunctionProxy.html index 883c8fa3356..2df3eece952 100644 --- a/api/Proxy_Core_PiecewiseFunctionProxy.html +++ b/api/Proxy_Core_PiecewiseFunctionProxy.html @@ -48,8 +48,8 @@ - - + + @@ -119,7 +119,7 @@

    diff --git a/api/Proxy_Core_ProxyManager.html b/api/Proxy_Core_ProxyManager.html index 9da6ce8c7c6..d9f99a512cf 100644 --- a/api/Proxy_Core_ProxyManager.html +++ b/api/Proxy_Core_ProxyManager.html @@ -48,8 +48,8 @@ - - + + @@ -169,7 +169,7 @@

    diff --git a/api/Proxy_Core_SourceProxy.html b/api/Proxy_Core_SourceProxy.html index 5391955dadb..0106bdfb190 100644 --- a/api/Proxy_Core_SourceProxy.html +++ b/api/Proxy_Core_SourceProxy.html @@ -48,8 +48,8 @@ - - + + @@ -118,7 +118,7 @@

    diff --git a/api/Proxy_Core_View2DProxy.html b/api/Proxy_Core_View2DProxy.html index 134d53b253f..6004201c03e 100644 --- a/api/Proxy_Core_View2DProxy.html +++ b/api/Proxy_Core_View2DProxy.html @@ -48,8 +48,8 @@ - - + + @@ -118,7 +118,7 @@

    diff --git a/api/Proxy_Core_ViewProxy.html b/api/Proxy_Core_ViewProxy.html index 04b3e6ed151..7e1e43cdfc9 100644 --- a/api/Proxy_Core_ViewProxy.html +++ b/api/Proxy_Core_ViewProxy.html @@ -48,8 +48,8 @@ - - + + @@ -118,7 +118,7 @@

    diff --git a/api/Proxy_Representations_GeometryRepresentationProxy.html b/api/Proxy_Representations_GeometryRepresentationProxy.html index 93499d8d40c..632f0ddef9b 100644 --- a/api/Proxy_Representations_GeometryRepresentationProxy.html +++ b/api/Proxy_Representations_GeometryRepresentationProxy.html @@ -48,8 +48,8 @@ - - + + @@ -136,7 +136,7 @@

    diff --git a/api/Proxy_Representations_GlyphRepresentationProxy.html b/api/Proxy_Representations_GlyphRepresentationProxy.html index 589cd2086f0..8d142fadc47 100644 --- a/api/Proxy_Representations_GlyphRepresentationProxy.html +++ b/api/Proxy_Representations_GlyphRepresentationProxy.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Proxy_Representations_MoleculeRepresentationProxy.html b/api/Proxy_Representations_MoleculeRepresentationProxy.html index 721f7680c80..768f8f2cc4d 100644 --- a/api/Proxy_Representations_MoleculeRepresentationProxy.html +++ b/api/Proxy_Representations_MoleculeRepresentationProxy.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Proxy_Representations_ResliceRepresentationProxy.html b/api/Proxy_Representations_ResliceRepresentationProxy.html index e66544f127c..43053bb1820 100644 --- a/api/Proxy_Representations_ResliceRepresentationProxy.html +++ b/api/Proxy_Representations_ResliceRepresentationProxy.html @@ -48,8 +48,8 @@ - - + + @@ -118,7 +118,7 @@

    diff --git a/api/Proxy_Representations_SkyboxRepresentationProxy.html b/api/Proxy_Representations_SkyboxRepresentationProxy.html index 53405115c57..ebafefeaf86 100644 --- a/api/Proxy_Representations_SkyboxRepresentationProxy.html +++ b/api/Proxy_Representations_SkyboxRepresentationProxy.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Proxy_Representations_SliceRepresentationProxy.html b/api/Proxy_Representations_SliceRepresentationProxy.html index 1d75abeccb9..b522c66c377 100644 --- a/api/Proxy_Representations_SliceRepresentationProxy.html +++ b/api/Proxy_Representations_SliceRepresentationProxy.html @@ -48,8 +48,8 @@ - - + + @@ -134,7 +134,7 @@

    diff --git a/api/Proxy_Representations_SlicedGeometryRepresentationProxy.html b/api/Proxy_Representations_SlicedGeometryRepresentationProxy.html index d5c5527af4a..17a4ede71df 100644 --- a/api/Proxy_Representations_SlicedGeometryRepresentationProxy.html +++ b/api/Proxy_Representations_SlicedGeometryRepresentationProxy.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Proxy_Representations_VolumeRepresentationProxy.html b/api/Proxy_Representations_VolumeRepresentationProxy.html index 8318cfce6f9..a5655dde37c 100644 --- a/api/Proxy_Representations_VolumeRepresentationProxy.html +++ b/api/Proxy_Representations_VolumeRepresentationProxy.html @@ -48,8 +48,8 @@ - - + + @@ -118,7 +118,7 @@

    diff --git a/api/Rendering_Core_AbstractImageMapper.html b/api/Rendering_Core_AbstractImageMapper.html index 21791e88a85..a5bce958a47 100644 --- a/api/Rendering_Core_AbstractImageMapper.html +++ b/api/Rendering_Core_AbstractImageMapper.html @@ -48,8 +48,8 @@ - - + + @@ -353,7 +353,7 @@

    diff --git a/api/Rendering_Core_AbstractMapper.html b/api/Rendering_Core_AbstractMapper.html index 8f1d506bdee..6ad5c0bde05 100644 --- a/api/Rendering_Core_AbstractMapper.html +++ b/api/Rendering_Core_AbstractMapper.html @@ -48,8 +48,8 @@ - - + + @@ -231,7 +231,7 @@

    diff --git a/api/Rendering_Core_AbstractMapper3D.html b/api/Rendering_Core_AbstractMapper3D.html index 9e930bbe9c9..95e96bf215e 100644 --- a/api/Rendering_Core_AbstractMapper3D.html +++ b/api/Rendering_Core_AbstractMapper3D.html @@ -48,8 +48,8 @@ - - + + @@ -152,7 +152,7 @@

    diff --git a/api/Rendering_Core_AbstractPicker.html b/api/Rendering_Core_AbstractPicker.html index 4403f7e9fd7..c0f49628f3c 100644 --- a/api/Rendering_Core_AbstractPicker.html +++ b/api/Rendering_Core_AbstractPicker.html @@ -48,8 +48,8 @@ - - + + @@ -217,7 +217,7 @@

    diff --git a/api/Rendering_Core_Actor.html b/api/Rendering_Core_Actor.html index 7229f23863d..4ad60aee180 100644 --- a/api/Rendering_Core_Actor.html +++ b/api/Rendering_Core_Actor.html @@ -48,8 +48,8 @@ - - + + @@ -289,7 +289,7 @@

    diff --git a/api/Rendering_Core_Actor2D.html b/api/Rendering_Core_Actor2D.html index a769a15a48f..7bfa8b8f1f6 100644 --- a/api/Rendering_Core_Actor2D.html +++ b/api/Rendering_Core_Actor2D.html @@ -48,8 +48,8 @@ - - + + @@ -244,7 +244,7 @@

    diff --git a/api/Rendering_Core_AnnotatedCubeActor.html b/api/Rendering_Core_AnnotatedCubeActor.html index 59d75fa3723..d0ec533fff2 100644 --- a/api/Rendering_Core_AnnotatedCubeActor.html +++ b/api/Rendering_Core_AnnotatedCubeActor.html @@ -48,8 +48,8 @@ - - + + @@ -296,7 +296,7 @@

    diff --git a/api/Rendering_Core_AxesActor.html b/api/Rendering_Core_AxesActor.html index 9e674341623..50ab7699a6e 100644 --- a/api/Rendering_Core_AxesActor.html +++ b/api/Rendering_Core_AxesActor.html @@ -48,8 +48,8 @@ - - + + @@ -321,7 +321,7 @@

    diff --git a/api/Rendering_Core_Camera.html b/api/Rendering_Core_Camera.html index 6ee5242c44d..b8997686bef 100644 --- a/api/Rendering_Core_Camera.html +++ b/api/Rendering_Core_Camera.html @@ -48,8 +48,8 @@ - - + + @@ -1455,7 +1455,7 @@

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    diff --git a/api/Rendering_Core_Coordinate.html b/api/Rendering_Core_Coordinate.html index 91ef039afb4..8ad53685304 100644 --- a/api/Rendering_Core_Coordinate.html +++ b/api/Rendering_Core_Coordinate.html @@ -48,8 +48,8 @@ - - + + @@ -407,7 +407,7 @@

    diff --git a/api/Rendering_Core_CubeAxesActor.html b/api/Rendering_Core_CubeAxesActor.html index 0c1333ca6dd..f75ed4ce4a7 100644 --- a/api/Rendering_Core_CubeAxesActor.html +++ b/api/Rendering_Core_CubeAxesActor.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Rendering_Core_Follower.html b/api/Rendering_Core_Follower.html index d37b09007a3..e77d019c2a5 100644 --- a/api/Rendering_Core_Follower.html +++ b/api/Rendering_Core_Follower.html @@ -48,8 +48,8 @@ - - + + @@ -223,7 +223,7 @@

    diff --git a/api/Rendering_Core_Glyph3DMapper.html b/api/Rendering_Core_Glyph3DMapper.html index 49feed25631..dce96ed9aa8 100644 --- a/api/Rendering_Core_Glyph3DMapper.html +++ b/api/Rendering_Core_Glyph3DMapper.html @@ -48,8 +48,8 @@ - - + + @@ -267,7 +267,7 @@

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    diff --git a/api/Rendering_Core_ImageCPRMapper.html b/api/Rendering_Core_ImageCPRMapper.html index 24aeb0f3c38..9812e90b637 100644 --- a/api/Rendering_Core_ImageCPRMapper.html +++ b/api/Rendering_Core_ImageCPRMapper.html @@ -48,8 +48,8 @@ - - + + @@ -751,7 +751,7 @@

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    diff --git a/api/Rendering_Core_PointPicker.html b/api/Rendering_Core_PointPicker.html index f2760e280cc..ef174d0fc23 100644 --- a/api/Rendering_Core_PointPicker.html +++ b/api/Rendering_Core_PointPicker.html @@ -48,8 +48,8 @@ - - + + @@ -253,7 +253,7 @@

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    diff --git a/api/Rendering_Core_RenderWindow.html b/api/Rendering_Core_RenderWindow.html index 55d6fc5f417..c9a36048baa 100644 --- a/api/Rendering_Core_RenderWindow.html +++ b/api/Rendering_Core_RenderWindow.html @@ -48,8 +48,8 @@ - - + + @@ -376,7 +376,7 @@

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    diff --git a/api/Rendering_Core_Renderer.html b/api/Rendering_Core_Renderer.html index 540dfc3e795..f43353ce08b 100644 --- a/api/Rendering_Core_Renderer.html +++ b/api/Rendering_Core_Renderer.html @@ -48,8 +48,8 @@ - - + + @@ -1043,7 +1043,7 @@

    diff --git a/api/Rendering_Core_ScalarBarActor.html b/api/Rendering_Core_ScalarBarActor.html index fb22b0e4b60..82dd0783f43 100644 --- a/api/Rendering_Core_ScalarBarActor.html +++ b/api/Rendering_Core_ScalarBarActor.html @@ -48,8 +48,8 @@ - - + + @@ -584,7 +584,7 @@

    diff --git a/api/Rendering_Core_Skybox.html b/api/Rendering_Core_Skybox.html index 25559f1c685..db7f58df2d5 100644 --- a/api/Rendering_Core_Skybox.html +++ b/api/Rendering_Core_Skybox.html @@ -48,8 +48,8 @@ - - + + @@ -164,7 +164,7 @@

    diff --git a/api/Rendering_Core_SphereMapper.html b/api/Rendering_Core_SphereMapper.html index fd403feaadc..303b2354b51 100644 --- a/api/Rendering_Core_SphereMapper.html +++ b/api/Rendering_Core_SphereMapper.html @@ -48,8 +48,8 @@ - - + + @@ -197,7 +197,7 @@

    diff --git a/api/Rendering_Core_StickMapper.html b/api/Rendering_Core_StickMapper.html index d27ae72c895..0cb379c3ea1 100644 --- a/api/Rendering_Core_StickMapper.html +++ b/api/Rendering_Core_StickMapper.html @@ -48,8 +48,8 @@ - - + + @@ -182,7 +182,7 @@

    diff --git a/api/Rendering_Core_SurfaceLICInterface.html b/api/Rendering_Core_SurfaceLICInterface.html index e346d453d19..d020aa16864 100644 --- a/api/Rendering_Core_SurfaceLICInterface.html +++ b/api/Rendering_Core_SurfaceLICInterface.html @@ -48,8 +48,8 @@ - - + + @@ -118,7 +118,7 @@

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    diff --git a/api/Rendering_Core_Texture.html b/api/Rendering_Core_Texture.html index b46c2104960..8b1e0469cee 100644 --- a/api/Rendering_Core_Texture.html +++ b/api/Rendering_Core_Texture.html @@ -48,8 +48,8 @@ - - + + @@ -280,7 +280,7 @@

    diff --git a/api/Rendering_Core_Viewport.html b/api/Rendering_Core_Viewport.html index 47d687bc523..308e6e347df 100644 --- a/api/Rendering_Core_Viewport.html +++ b/api/Rendering_Core_Viewport.html @@ -48,8 +48,8 @@ - - + + @@ -565,7 +565,7 @@

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    diff --git a/api/Rendering_Core_VolumeProperty.html b/api/Rendering_Core_VolumeProperty.html index ff12aaee753..45a46aee5b4 100644 --- a/api/Rendering_Core_VolumeProperty.html +++ b/api/Rendering_Core_VolumeProperty.html @@ -48,8 +48,8 @@ - - + + @@ -756,7 +756,7 @@

    diff --git a/api/Rendering_Misc_CanvasView.html b/api/Rendering_Misc_CanvasView.html index 458f28b9706..73cdd6ebd64 100644 --- a/api/Rendering_Misc_CanvasView.html +++ b/api/Rendering_Misc_CanvasView.html @@ -48,8 +48,8 @@ - - + + @@ -355,7 +355,7 @@

    diff --git a/api/Rendering_Misc_FullScreenRenderWindow.html b/api/Rendering_Misc_FullScreenRenderWindow.html index dfc86bfa097..60f3e040c27 100644 --- a/api/Rendering_Misc_FullScreenRenderWindow.html +++ b/api/Rendering_Misc_FullScreenRenderWindow.html @@ -48,8 +48,8 @@ - - + + @@ -276,7 +276,7 @@

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    diff --git a/api/Rendering_Misc_RenderWindowWithControlBar.html b/api/Rendering_Misc_RenderWindowWithControlBar.html index 8c8c1f49819..97a70bb3f26 100644 --- a/api/Rendering_Misc_RenderWindowWithControlBar.html +++ b/api/Rendering_Misc_RenderWindowWithControlBar.html @@ -48,8 +48,8 @@ - - + + @@ -220,7 +220,7 @@

    diff --git a/api/Rendering_Misc_RenderingAPIs.html b/api/Rendering_Misc_RenderingAPIs.html index 596512dbbe9..5ee396e1896 100644 --- a/api/Rendering_Misc_RenderingAPIs.html +++ b/api/Rendering_Misc_RenderingAPIs.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

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    diff --git a/api/Rendering_Misc_TextureLODsDownloader.html b/api/Rendering_Misc_TextureLODsDownloader.html index 06ff8695052..538156bfda6 100644 --- a/api/Rendering_Misc_TextureLODsDownloader.html +++ b/api/Rendering_Misc_TextureLODsDownloader.html @@ -48,8 +48,8 @@ - - + + @@ -308,7 +308,7 @@

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    diff --git a/api/Rendering_OpenGL_CellArrayBufferObject.html b/api/Rendering_OpenGL_CellArrayBufferObject.html index dffb85170b6..2133cd55e8a 100644 --- a/api/Rendering_OpenGL_CellArrayBufferObject.html +++ b/api/Rendering_OpenGL_CellArrayBufferObject.html @@ -48,8 +48,8 @@ - - + + @@ -136,7 +136,7 @@

    diff --git a/api/Rendering_OpenGL_Convolution2DPass.html b/api/Rendering_OpenGL_Convolution2DPass.html index 27c38403991..4c71685fc1f 100644 --- a/api/Rendering_OpenGL_Convolution2DPass.html +++ b/api/Rendering_OpenGL_Convolution2DPass.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Rendering_OpenGL_CubeAxesActor.html b/api/Rendering_OpenGL_CubeAxesActor.html index aecf255691c..97a4a58b34c 100644 --- a/api/Rendering_OpenGL_CubeAxesActor.html +++ b/api/Rendering_OpenGL_CubeAxesActor.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

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    diff --git a/api/Rendering_OpenGL_Glyph3DMapper.html b/api/Rendering_OpenGL_Glyph3DMapper.html index f42e5cd90a2..ac3d1c3dd09 100644 --- a/api/Rendering_OpenGL_Glyph3DMapper.html +++ b/api/Rendering_OpenGL_Glyph3DMapper.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

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    diff --git a/api/Rendering_WebGPU_FullScreenQuad.html b/api/Rendering_WebGPU_FullScreenQuad.html index e4a54545478..255ef4d4534 100644 --- a/api/Rendering_WebGPU_FullScreenQuad.html +++ b/api/Rendering_WebGPU_FullScreenQuad.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Rendering_WebGPU_Glyph3DMapper.html b/api/Rendering_WebGPU_Glyph3DMapper.html index ec18295ab45..223a6777207 100644 --- a/api/Rendering_WebGPU_Glyph3DMapper.html +++ b/api/Rendering_WebGPU_Glyph3DMapper.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

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    diff --git a/api/Widgets_Core_AbstractWidgetFactory.html b/api/Widgets_Core_AbstractWidgetFactory.html index cd57c2c9fa8..730697690a6 100644 --- a/api/Widgets_Core_AbstractWidgetFactory.html +++ b/api/Widgets_Core_AbstractWidgetFactory.html @@ -48,8 +48,8 @@ - - + + @@ -344,7 +344,7 @@

    diff --git a/api/Widgets_Core_StateBuilder.html b/api/Widgets_Core_StateBuilder.html index 47c359c588b..6b9b30bc214 100644 --- a/api/Widgets_Core_StateBuilder.html +++ b/api/Widgets_Core_StateBuilder.html @@ -48,8 +48,8 @@ - - + + @@ -132,7 +132,7 @@

    diff --git a/api/Widgets_Core_WidgetManager.html b/api/Widgets_Core_WidgetManager.html index 252b834f9a4..019a82056a5 100644 --- a/api/Widgets_Core_WidgetManager.html +++ b/api/Widgets_Core_WidgetManager.html @@ -48,8 +48,8 @@ - - + + @@ -335,7 +335,7 @@

    diff --git a/api/Widgets_Core_WidgetState.html b/api/Widgets_Core_WidgetState.html index 2afb2f395fa..1242d5030e7 100644 --- a/api/Widgets_Core_WidgetState.html +++ b/api/Widgets_Core_WidgetState.html @@ -48,8 +48,8 @@ - - + + @@ -259,7 +259,7 @@

    diff --git a/api/Widgets_Manipulators_AbstractManipulator.html b/api/Widgets_Manipulators_AbstractManipulator.html index 2009cc7b951..2675439a8e0 100644 --- a/api/Widgets_Manipulators_AbstractManipulator.html +++ b/api/Widgets_Manipulators_AbstractManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -587,7 +587,7 @@

    diff --git a/api/Widgets_Manipulators_CPRManipulator.html b/api/Widgets_Manipulators_CPRManipulator.html index 21311e0e296..1834ed919e0 100644 --- a/api/Widgets_Manipulators_CPRManipulator.html +++ b/api/Widgets_Manipulators_CPRManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Widgets_Manipulators_LineManipulator.html b/api/Widgets_Manipulators_LineManipulator.html index 9da750844ba..0aae6e58726 100644 --- a/api/Widgets_Manipulators_LineManipulator.html +++ b/api/Widgets_Manipulators_LineManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -195,7 +195,7 @@

    diff --git a/api/Widgets_Manipulators_PickerManipulator.html b/api/Widgets_Manipulators_PickerManipulator.html index 50fab791e2d..aa53c73ef15 100644 --- a/api/Widgets_Manipulators_PickerManipulator.html +++ b/api/Widgets_Manipulators_PickerManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -149,7 +149,7 @@

    - + PrevNext diff --git a/api/Widgets_Manipulators_PlaneManipulator.html b/api/Widgets_Manipulators_PlaneManipulator.html index eb32fca7900..e1647dfde08 100644 --- a/api/Widgets_Manipulators_PlaneManipulator.html +++ b/api/Widgets_Manipulators_PlaneManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -195,7 +195,7 @@

    diff --git a/api/Widgets_Manipulators_TrackballManipulator.html b/api/Widgets_Manipulators_TrackballManipulator.html index 6ad3171f6a3..4fae73937fe 100644 --- a/api/Widgets_Manipulators_TrackballManipulator.html +++ b/api/Widgets_Manipulators_TrackballManipulator.html @@ -48,8 +48,8 @@ - - + + @@ -207,7 +207,7 @@

    diff --git a/api/Widgets_Representations_ArrowHandleRepresentation.html b/api/Widgets_Representations_ArrowHandleRepresentation.html index d5196bb8ebb..b50b303df4e 100644 --- a/api/Widgets_Representations_ArrowHandleRepresentation.html +++ b/api/Widgets_Representations_ArrowHandleRepresentation.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Widgets_Representations_CircleContextRepresentation.html b/api/Widgets_Representations_CircleContextRepresentation.html index 3801eef8fc8..4b66174a279 100644 --- a/api/Widgets_Representations_CircleContextRepresentation.html +++ b/api/Widgets_Representations_CircleContextRepresentation.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Widgets_Representations_ContextRepresentation.html b/api/Widgets_Representations_ContextRepresentation.html index 39af071d4be..5d675780226 100644 --- a/api/Widgets_Representations_ContextRepresentation.html +++ b/api/Widgets_Representations_ContextRepresentation.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Widgets_Representations_ConvexFaceContextRepresentation.html b/api/Widgets_Representations_ConvexFaceContextRepresentation.html index 58ce1d1993d..20e7b599e99 100644 --- a/api/Widgets_Representations_ConvexFaceContextRepresentation.html +++ b/api/Widgets_Representations_ConvexFaceContextRepresentation.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Widgets_Representations_CroppingOutlineRepresentation.html b/api/Widgets_Representations_CroppingOutlineRepresentation.html index 6984975cc09..94a9ee0291d 100644 --- a/api/Widgets_Representations_CroppingOutlineRepresentation.html +++ b/api/Widgets_Representations_CroppingOutlineRepresentation.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Widgets_Representations_CubeHandleRepresentation.html b/api/Widgets_Representations_CubeHandleRepresentation.html index 43fcd038ae3..c05177e1d7d 100644 --- a/api/Widgets_Representations_CubeHandleRepresentation.html +++ b/api/Widgets_Representations_CubeHandleRepresentation.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Widgets_Representations_GlyphRepresentation.html b/api/Widgets_Representations_GlyphRepresentation.html index 24fd4b7d632..2f595e87903 100644 --- a/api/Widgets_Representations_GlyphRepresentation.html +++ b/api/Widgets_Representations_GlyphRepresentation.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Widgets_Representations_HandleRepresentation.html b/api/Widgets_Representations_HandleRepresentation.html index 159fd4be8c7..dd952396fcb 100644 --- a/api/Widgets_Representations_HandleRepresentation.html +++ b/api/Widgets_Representations_HandleRepresentation.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Widgets_Representations_ImplicitPlaneRepresentation.html b/api/Widgets_Representations_ImplicitPlaneRepresentation.html index 23e93e17afe..3d3aca1f66a 100644 --- a/api/Widgets_Representations_ImplicitPlaneRepresentation.html +++ b/api/Widgets_Representations_ImplicitPlaneRepresentation.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Widgets_Representations_LineHandleRepresentation.html b/api/Widgets_Representations_LineHandleRepresentation.html index 64991c99058..597ca350670 100644 --- a/api/Widgets_Representations_LineHandleRepresentation.html +++ b/api/Widgets_Representations_LineHandleRepresentation.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Widgets_Representations_OutlineContextRepresentation.html b/api/Widgets_Representations_OutlineContextRepresentation.html index 2298c146e8a..34a4c746c23 100644 --- a/api/Widgets_Representations_OutlineContextRepresentation.html +++ b/api/Widgets_Representations_OutlineContextRepresentation.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Widgets_Representations_PolyLineRepresentation.html b/api/Widgets_Representations_PolyLineRepresentation.html index 4519c35f071..8c02b8aefe6 100644 --- a/api/Widgets_Representations_PolyLineRepresentation.html +++ b/api/Widgets_Representations_PolyLineRepresentation.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Widgets_Representations_RectangleContextRepresentation.html b/api/Widgets_Representations_RectangleContextRepresentation.html index f20f9d7dd76..45fc39b7b12 100644 --- a/api/Widgets_Representations_RectangleContextRepresentation.html +++ b/api/Widgets_Representations_RectangleContextRepresentation.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Widgets_Representations_SphereContextRepresentation.html b/api/Widgets_Representations_SphereContextRepresentation.html index 9bdc43208e6..e741d87bedf 100644 --- a/api/Widgets_Representations_SphereContextRepresentation.html +++ b/api/Widgets_Representations_SphereContextRepresentation.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Widgets_Representations_SphereHandleRepresentation.html b/api/Widgets_Representations_SphereHandleRepresentation.html index a89deb306db..2359a7fffe7 100644 --- a/api/Widgets_Representations_SphereHandleRepresentation.html +++ b/api/Widgets_Representations_SphereHandleRepresentation.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Widgets_Representations_SplineContextRepresentation.html b/api/Widgets_Representations_SplineContextRepresentation.html index 4f3dee87563..cedf48f5167 100644 --- a/api/Widgets_Representations_SplineContextRepresentation.html +++ b/api/Widgets_Representations_SplineContextRepresentation.html @@ -48,8 +48,8 @@ - - + + @@ -117,7 +117,7 @@

    diff --git a/api/Widgets_Representations_WidgetRepresentation.html b/api/Widgets_Representations_WidgetRepresentation.html index fa8e511bc00..c2614c2fb7e 100644 --- a/api/Widgets_Representations_WidgetRepresentation.html +++ b/api/Widgets_Representations_WidgetRepresentation.html @@ -48,8 +48,8 @@ - - + + @@ -251,7 +251,7 @@

    diff --git a/api/Widgets_Widgets3D_AngleWidget.html b/api/Widgets_Widgets3D_AngleWidget.html index d86502d5b44..1510b94e600 100644 --- a/api/Widgets_Widgets3D_AngleWidget.html +++ b/api/Widgets_Widgets3D_AngleWidget.html @@ -48,8 +48,8 @@ - - + + @@ -119,7 +119,7 @@

    diff --git a/api/Widgets_Widgets3D_EllipseWidget.html b/api/Widgets_Widgets3D_EllipseWidget.html index 04640512de4..e4adda33b00 100644 --- a/api/Widgets_Widgets3D_EllipseWidget.html +++ b/api/Widgets_Widgets3D_EllipseWidget.html @@ -48,8 +48,8 @@ - - + + @@ -119,7 +119,7 @@

    diff --git a/api/Widgets_Widgets3D_ImageCroppingWidget.html b/api/Widgets_Widgets3D_ImageCroppingWidget.html index dc88c4d4b14..d01e52b584d 100644 --- a/api/Widgets_Widgets3D_ImageCroppingWidget.html +++ b/api/Widgets_Widgets3D_ImageCroppingWidget.html @@ -48,8 +48,8 @@ - - + + @@ -120,7 +120,7 @@

    diff --git a/api/Widgets_Widgets3D_ImplicitPlaneWidget.html b/api/Widgets_Widgets3D_ImplicitPlaneWidget.html index f84f1bb33b3..7d1ef75186b 100644 --- a/api/Widgets_Widgets3D_ImplicitPlaneWidget.html +++ b/api/Widgets_Widgets3D_ImplicitPlaneWidget.html @@ -48,8 +48,8 @@ - - + + @@ -122,7 +122,7 @@

    diff --git a/api/Widgets_Widgets3D_InteractiveOrientationWidget.html b/api/Widgets_Widgets3D_InteractiveOrientationWidget.html index 523ed663938..e1b03ded9c5 100644 --- a/api/Widgets_Widgets3D_InteractiveOrientationWidget.html +++ b/api/Widgets_Widgets3D_InteractiveOrientationWidget.html @@ -48,8 +48,8 @@ - - + + @@ -199,7 +199,7 @@

    diff --git a/api/Widgets_Widgets3D_LabelWidget.html b/api/Widgets_Widgets3D_LabelWidget.html index 947272de1ab..01aa7fd810e 100644 --- a/api/Widgets_Widgets3D_LabelWidget.html +++ b/api/Widgets_Widgets3D_LabelWidget.html @@ -48,8 +48,8 @@ - - + + @@ -119,7 +119,7 @@

    diff --git a/api/Widgets_Widgets3D_LineWidget.html b/api/Widgets_Widgets3D_LineWidget.html index 360b9fe2e2e..6f1c5f364be 100644 --- a/api/Widgets_Widgets3D_LineWidget.html +++ b/api/Widgets_Widgets3D_LineWidget.html @@ -48,8 +48,8 @@ - - + + @@ -133,7 +133,7 @@

    diff --git a/api/Widgets_Widgets3D_PaintWidget.html b/api/Widgets_Widgets3D_PaintWidget.html index cb0d81a5d9a..3515bb5996d 100644 --- a/api/Widgets_Widgets3D_PaintWidget.html +++ b/api/Widgets_Widgets3D_PaintWidget.html @@ -48,8 +48,8 @@ - - + + @@ -119,7 +119,7 @@

    diff --git a/api/Widgets_Widgets3D_PolyLineWidget.html b/api/Widgets_Widgets3D_PolyLineWidget.html index cd3fcf7f865..8f03aa48ef0 100644 --- a/api/Widgets_Widgets3D_PolyLineWidget.html +++ b/api/Widgets_Widgets3D_PolyLineWidget.html @@ -48,8 +48,8 @@ - - + + @@ -119,7 +119,7 @@

    diff --git a/api/Widgets_Widgets3D_RectangleWidget.html b/api/Widgets_Widgets3D_RectangleWidget.html index b735060ae37..a162b761c82 100644 --- a/api/Widgets_Widgets3D_RectangleWidget.html +++ b/api/Widgets_Widgets3D_RectangleWidget.html @@ -48,8 +48,8 @@ - - + + @@ -119,7 +119,7 @@

    diff --git a/api/Widgets_Widgets3D_ResliceCursorWidget.html b/api/Widgets_Widgets3D_ResliceCursorWidget.html index fe9d35df341..f786a4a73b1 100644 --- a/api/Widgets_Widgets3D_ResliceCursorWidget.html +++ b/api/Widgets_Widgets3D_ResliceCursorWidget.html @@ -48,8 +48,8 @@ - - + + @@ -175,7 +175,8 @@

    Source

    Constants.js
    import { ViewTypes } from 'vtk.js/Sources/Widgets/Core/WidgetManager/Constants';

    export const ScrollingMethods = {
      MIDDLE_MOUSE_BUTTON: 0,
      LEFT_MOUSE_BUTTON: 1,
      RIGHT_MOUSE_BUTTON: 2,
    };

    // Note: These strings are used in ResliceCursorWidget/behavior.js
    // as method's names
    export const InteractionMethodsName = {
      TranslateAxis: 'translateAxis',
      RotateLine: 'rotateLine',
      TranslateCenter: 'translateCenter',
      TranslateCenterAndUpdatePlanes: 'translateCenterAndUpdatePlanes',
    };

    export const defaultViewUpFromViewType = {
      [ViewTypes.YZ_PLANE]: [0, 0, 1], // Sagittal
      [ViewTypes.XZ_PLANE]: [0, 0, 1], // Coronal
      [ViewTypes.XY_PLANE]: [0, -1, 0], // Axial
    };

    export const xyzToViewType = [
      ViewTypes.YZ_PLANE,
      ViewTypes.XZ_PLANE,
      ViewTypes.XY_PLANE,
    ];

    export const viewTypeToXYZ = {
      [ViewTypes.YZ_PLANE]: 0,
      [ViewTypes.XZ_PLANE]: 1,
      [ViewTypes.XY_PLANE]: 2,
    };

    export const planeNames = ['X', 'Y', 'Z'];

    export const viewTypeToPlaneName = {
      [ViewTypes.YZ_PLANE]: 'X',
      [ViewTypes.XZ_PLANE]: 'Y',
      [ViewTypes.XY_PLANE]: 'Z',
    };

    export const planeNameToViewType = {
      X: ViewTypes.YZ_PLANE,
      Y: ViewTypes.XZ_PLANE,
      Z: ViewTypes.XY_PLANE,
    };
    export const lineNames = ['YinX', 'ZinX', 'XinY', 'ZinY', 'XinZ', 'YinZ'];

    export default {
      ScrollingMethods,
      InteractionMethodsName,
      xyzToViewType,
      viewTypeToXYZ,
      planeNames,
      viewTypeToPlaneName,
      planeNameToViewType,
      lineNames,
    };
    +

    Source

    Constants.d.ts
    import { ViewTypes } from '../../Core/WidgetManager/Constants';

    export declare enum ScrollingMethods {
      MIDDLE_MOUSE_BUTTON = 0,
      LEFT_MOUSE_BUTTON = 1,
      RIGHT_MOUSE_BUTTON = 2,
    }

    // Note: These strings are used in ResliceCursorWidget/behavior.js
    // as method's names
    export declare enum InteractionMethodsName {
      TranslateAxis = 'translateAxis',
      RotateLine = 'rotateLine',
      TranslateCenter = 'translateCenter',
      TranslateCenterAndUpdatePlanes = 'translateCenterAndUpdatePlanes',
    }

    export declare type defaultViewUpFromViewType = {
      [ViewTypes.YZ_PLANE]: [0, 0, 1], // Sagittal
      [ViewTypes.XZ_PLANE]: [0, 0, 1], // Coronal
      [ViewTypes.XY_PLANE]: [0, -1, 0], // Axial
    }

    export declare type xyzToViewType = [
      ViewTypes.YZ_PLANE,
      ViewTypes.XZ_PLANE,
      ViewTypes.XY_PLANE,
    ];

    export declare type viewTypeToXYZ = {
      [ViewTypes.YZ_PLANE]: 0,
      [ViewTypes.XZ_PLANE]: 1,
      [ViewTypes.XY_PLANE]: 2,
    }

    export declare type planeNames = ['X', 'Y', 'Z'];

    export declare type viewTypeToPlaneName = {
      [ViewTypes.YZ_PLANE]: 'X',
      [ViewTypes.XZ_PLANE]: 'Y',
      [ViewTypes.XY_PLANE]: 'Z',
    }

    export declare type planeNameToViewType = {
      X: ViewTypes.YZ_PLANE,
      Y: ViewTypes.XZ_PLANE,
      Z: ViewTypes.XY_PLANE,
    }
    export declare type lineNames = ['YinX', 'ZinX', 'XinY', 'ZinY', 'XinZ', 'YinZ'];

    declare const _default: {
      ScrollingMethods: typeof ScrollingMethods;
      InteractionMethodsName: typeof InteractionMethodsName;
      xyzToViewType: xyzToViewType;
      viewTypeToXYZ: viewTypeToXYZ;
      planeNames: planeNames;
      viewTypeToPlaneName: viewTypeToPlaneName;
      planeNameToViewType: planeNameToViewType;
      lineNames: lineNames;
    }

    export default _default;
    +
    Constants.js
    import { ViewTypes } from 'vtk.js/Sources/Widgets/Core/WidgetManager/Constants';

    export const ScrollingMethods = {
      MIDDLE_MOUSE_BUTTON: 0,
      LEFT_MOUSE_BUTTON: 1,
      RIGHT_MOUSE_BUTTON: 2,
    };

    // Note: These strings are used in ResliceCursorWidget/behavior.js
    // as method's names
    export const InteractionMethodsName = {
      TranslateAxis: 'translateAxis',
      RotateLine: 'rotateLine',
      TranslateCenter: 'translateCenter',
      TranslateCenterAndUpdatePlanes: 'translateCenterAndUpdatePlanes',
    };

    export const defaultViewUpFromViewType = {
      [ViewTypes.YZ_PLANE]: [0, 0, 1], // Sagittal
      [ViewTypes.XZ_PLANE]: [0, 0, 1], // Coronal
      [ViewTypes.XY_PLANE]: [0, -1, 0], // Axial
    };

    export const xyzToViewType = [
      ViewTypes.YZ_PLANE,
      ViewTypes.XZ_PLANE,
      ViewTypes.XY_PLANE,
    ];

    export const viewTypeToXYZ = {
      [ViewTypes.YZ_PLANE]: 0,
      [ViewTypes.XZ_PLANE]: 1,
      [ViewTypes.XY_PLANE]: 2,
    };

    export const planeNames = ['X', 'Y', 'Z'];

    export const viewTypeToPlaneName = {
      [ViewTypes.YZ_PLANE]: 'X',
      [ViewTypes.XZ_PLANE]: 'Y',
      [ViewTypes.XY_PLANE]: 'Z',
    };

    export const planeNameToViewType = {
      X: ViewTypes.YZ_PLANE,
      Y: ViewTypes.XZ_PLANE,
      Z: ViewTypes.XY_PLANE,
    };
    export const lineNames = ['YinX', 'ZinX', 'XinY', 'ZinY', 'XinZ', 'YinZ'];

    export default {
      ScrollingMethods,
      InteractionMethodsName,
      xyzToViewType,
      viewTypeToXYZ,
      planeNames,
      viewTypeToPlaneName,
      planeNameToViewType,
      lineNames,
    };
    behavior.js
    import macro from 'vtk.js/Sources/macros';
    import vtkBoundingBox from 'vtk.js/Sources/Common/DataModel/BoundingBox';
    import vtkLine from 'vtk.js/Sources/Common/DataModel/Line';
    import * as vtkMath from 'vtk.js/Sources/Common/Core/Math';

    import {
      boundPointOnPlane,
      rotateVector,
      updateState,
      getOtherLineName,
      getLinePlaneName,
      getLineInPlaneName,
      getLineNames,
    } from 'vtk.js/Sources/Widgets/Widgets3D/ResliceCursorWidget/helpers';

    import {
      ScrollingMethods,
      InteractionMethodsName,
      planeNameToViewType,
    } from 'vtk.js/Sources/Widgets/Widgets3D/ResliceCursorWidget/Constants';

    export default function widgetBehavior(publicAPI, model) {
      model._isDragging = false;
      let isScrolling = false;
      let previousPosition;

      macro.setGet(publicAPI, model, [
        'keepOrthogonality',
        { type: 'object', name: 'cursorStyles' },
      ]);

      // Set default value for cursorStyles
      publicAPI.setCursorStyles({
        [InteractionMethodsName.TranslateCenter]: 'move',
        [InteractionMethodsName.RotateLine]: 'alias',
        [InteractionMethodsName.TranslateAxis]: 'pointer',
        default: 'default',
      });

      publicAPI.setEnableTranslation = (enable) => {
        model.representations[0].setPickable(enable); // line handle
        model.representations[2].setPickable(enable); // center handle
      };

      publicAPI.setEnableRotation = (enable) => {
        model.representations[1].setPickable(enable); // rotation handle
      };

      // FIXME: label information should be accessible from activeState instead of parent state.
      publicAPI.getActiveInteraction = () => {
        if (
          model.widgetState
            .getStatesWithLabel('rotation')
            .includes(model.activeState)
        ) {
          return InteractionMethodsName.RotateLine;
        }
        if (
          model.widgetState.getStatesWithLabel('line').includes(model.activeState)
        ) {
          return InteractionMethodsName.TranslateAxis;
        }
        if (
          model.widgetState.getStatesWithLabel('center').includes(model.activeState)
        ) {
          return InteractionMethodsName.TranslateCenter;
        }
        return null;
      };

      /**
       * ActiveState can be RotationHandle or a LineHandle
       * @returns 'YinX', 'ZinX', 'XinY', 'ZinY', 'XinZ' or 'YinZ'
       */
      publicAPI.getActiveLineName = () =>
        getLineNames(model.widgetState).find((lineName) =>
          model.widgetState.getStatesWithLabel(lineName).includes(model.activeState)
        );

      // FIXME: label information should be accessible from activeState instead of parent state.
      publicAPI.getActiveLineHandle = () =>
        model.widgetState[`getAxis${publicAPI.getActiveLineName()}`]?.();

      /**
       * Return the line handle of the other line in the same view.
       * @param {string} lineName name of the line (YinX, ZinX, XinY, ZinY, XinZ, YinZ)
       * @returns ZinX if lineName == YinX, YinX if lineName == ZinX, ZinY if lineName == XinY...
       */
      publicAPI.getOtherLineHandle = (lineName) =>
        model.widgetState[
          `getAxis${getOtherLineName(model.widgetState, lineName)}`
        ]?.();

      // FIXME: label information should be accessible from activeState instead of parent state.
      /**
       * There are 2 rotation handles per axis: 'point0' and 'point1'.
       * This function returns which rotation handle (point0 or point1) is currently active.
       * ActiveState must be a RotationHandle.
       * @returns 'point0', 'point1' or null if no point is active (e.g. line is being rotated)
       */
      publicAPI.getActiveRotationPointName = () => {
        if (
          model.widgetState.getStatesWithLabel('point0').includes(model.activeState)
        ) {
          return 'point0';
        }
        if (
          model.widgetState.getStatesWithLabel('point1').includes(model.activeState)
        ) {
          return 'point1';
        }
        return null;
      };

      publicAPI.startScrolling = (newPosition) => {
        if (newPosition) {
          previousPosition = newPosition;
        }
        isScrolling = true;
        publicAPI.startInteraction();
      };

      publicAPI.endScrolling = () => {
        isScrolling = false;
        publicAPI.endInteraction();
      };

      publicAPI.updateCursor = () => {
        const cursorStyles = publicAPI.getCursorStyles();
        if (cursorStyles) {
          switch (publicAPI.getActiveInteraction()) {
            case InteractionMethodsName.TranslateCenter:
              model._apiSpecificRenderWindow.setCursor(
                cursorStyles.translateCenter
              );
              break;
            case InteractionMethodsName.RotateLine:
              model._apiSpecificRenderWindow.setCursor(cursorStyles.rotateLine);
              break;
            case InteractionMethodsName.TranslateAxis:
              model._apiSpecificRenderWindow.setCursor(cursorStyles.translateAxis);
              break;
            default:
              model._apiSpecificRenderWindow.setCursor(cursorStyles.default);
              break;
          }
        }
      };

      publicAPI.handleLeftButtonPress = (callData) => {
        if (model.activeState && model.activeState.getActive()) {
          model._isDragging = true;
          const viewType = model.viewType;
          const currentPlaneNormal = model.widgetState.getPlanes()[viewType].normal;
          const manipulator =
            model.activeState?.getManipulator?.() ?? model.manipulator;
          manipulator.setWidgetOrigin(model.widgetState.getCenter());
          manipulator.setWidgetNormal(currentPlaneNormal);
          const { worldCoords } = manipulator.handleEvent(
            callData,
            model._apiSpecificRenderWindow
          );
          previousPosition = worldCoords;

          publicAPI.startInteraction();
        } else if (
          model.widgetState.getScrollingMethod() ===
          ScrollingMethods.LEFT_MOUSE_BUTTON
        ) {
          publicAPI.startScrolling(callData.position);
        } else {
          return macro.VOID;
        }

        return macro.EVENT_ABORT;
      };

      publicAPI.handleMouseMove = (callData) => {
        if (model._isDragging) {
          return publicAPI.handleEvent(callData);
        }
        if (isScrolling) {
          if (previousPosition.y !== callData.position.y) {
            const step = previousPosition.y - callData.position.y;
            publicAPI.translateCenterOnPlaneDirection(step);
            previousPosition = callData.position;

            publicAPI.invokeInternalInteractionEvent();
          }
        }
        return macro.VOID;
      };

      publicAPI.handleLeftButtonRelease = () => {
        if (model._isDragging || isScrolling) {
          publicAPI.endScrolling();
        }
        model._isDragging = false;
        model.widgetState.deactivate();
      };

      publicAPI.handleRightButtonPress = (calldata) => {
        if (
          model.widgetState.getScrollingMethod() ===
          ScrollingMethods.RIGHT_MOUSE_BUTTON
        ) {
          publicAPI.startScrolling(calldata.position);
        }
      };

      publicAPI.handleRightButtonRelease = () => {
        if (
          model.widgetState.getScrollingMethod() ===
          ScrollingMethods.RIGHT_MOUSE_BUTTON
        ) {
          publicAPI.endScrolling();
        }
      };

      publicAPI.handleStartMouseWheel = () => {
        publicAPI.startInteraction();
      };

      publicAPI.handleMouseWheel = (calldata) => {
        const step = calldata.spinY;
        isScrolling = true;
        publicAPI.translateCenterOnPlaneDirection(step);

        publicAPI.invokeInternalInteractionEvent();
        isScrolling = false;

        return macro.EVENT_ABORT;
      };

      publicAPI.handleEndMouseWheel = () => {
        publicAPI.endScrolling();
      };

      publicAPI.handleMiddleButtonPress = (calldata) => {
        if (
          model.widgetState.getScrollingMethod() ===
          ScrollingMethods.MIDDLE_MOUSE_BUTTON
        ) {
          publicAPI.startScrolling(calldata.position);
        }
      };

      publicAPI.handleMiddleButtonRelease = () => {
        if (
          model.widgetState.getScrollingMethod() ===
          ScrollingMethods.MIDDLE_MOUSE_BUTTON
        ) {
          publicAPI.endScrolling();
        }
      };

      publicAPI.handleEvent = (callData) => {
        if (model.activeState.getActive()) {
          publicAPI[publicAPI.getActiveInteraction()](callData);
          publicAPI.invokeInternalInteractionEvent();
          return macro.EVENT_ABORT;
        }
        return macro.VOID;
      };

      publicAPI.invokeInternalInteractionEvent = () => {
        const methodName = publicAPI.getActiveInteraction();
        const computeFocalPointOffset =
          methodName !== InteractionMethodsName.RotateLine;
        const canUpdateFocalPoint =
          methodName === InteractionMethodsName.RotateLine;
        publicAPI.invokeInteractionEvent({
          computeFocalPointOffset,
          canUpdateFocalPoint,
        });
      };

      publicAPI.startInteraction = () => {
        publicAPI.invokeStartInteractionEvent();
        // When interacting, plane actor and lines must be re-rendered on other views
        publicAPI.getViewWidgets().forEach((viewWidget) => {
          viewWidget.getInteractor().requestAnimation(publicAPI);
        });
      };

      publicAPI.endInteraction = () => {
        publicAPI.invokeEndInteractionEvent();
        publicAPI.getViewWidgets().forEach((viewWidget) => {
          viewWidget.getInteractor().cancelAnimation(publicAPI);
        });
      };

      publicAPI.translateCenterOnPlaneDirection = (nbSteps) => {
        const dirProj = model.widgetState.getPlanes()[model.viewType].normal;

        const oldCenter = model.widgetState.getCenter();
        const image = model.widgetState.getImage();
        const imageSpacing = image.getSpacing();

        // Use Chebyshev norm
        // https://math.stackexchange.com/questions/71423/what-is-the-term-for-the-projection-of-a-vector-onto-the-unit-cube
        const absDirProj = dirProj.map((value) => Math.abs(value));
        const index = absDirProj.indexOf(Math.max(...absDirProj));
        const movingFactor =
          (nbSteps * imageSpacing[index]) / Math.abs(dirProj[index]);

        // Define the potentially new center
        let newCenter = [
          oldCenter[0] + movingFactor * dirProj[0],
          oldCenter[1] + movingFactor * dirProj[1],
          oldCenter[2] + movingFactor * dirProj[2],
        ];
        newCenter = publicAPI.getBoundedCenter(newCenter);

        model.widgetState.setCenter(newCenter);
        updateState(
          model.widgetState,
          model._factory.getScaleInPixels(),
          model._factory.getRotationHandlePosition()
        );
      };

      publicAPI[InteractionMethodsName.TranslateAxis] = (calldata) => {
        const lineHandle = publicAPI.getActiveLineHandle();
        const lineName = publicAPI.getActiveLineName();
        const pointOnLine = vtkMath.add(
          lineHandle.getOrigin(),
          lineHandle.getDirection(),
          []
        );
        const currentLineVector = lineHandle.getDirection();
        vtkMath.normalize(currentLineVector);

        // Translate the current line along the other line
        const otherLineHandle = publicAPI.getOtherLineHandle(lineName);
        const center = model.widgetState.getCenter();
        const manipulator =
          model.activeState?.getManipulator?.() ?? model.manipulator;
        let worldCoords = null;
        let newOrigin = [];
        if (model.activeState?.getManipulator?.()) {
          worldCoords = manipulator.handleEvent(
            calldata,
            model._apiSpecificRenderWindow
          ).worldCoords;
          const translation = vtkMath.subtract(worldCoords, previousPosition, []);
          vtkMath.add(center, translation, newOrigin);
        } else if (otherLineHandle) {
          const otherLineVector = otherLineHandle.getDirection();
          vtkMath.normalize(otherLineVector);
          const axisTranslation = otherLineVector;

          const dot = vtkMath.dot(currentLineVector, otherLineVector);
          // lines are colinear, translate along perpendicular axis from current line
          if (dot === 1 || dot === -1) {
            vtkMath.cross(
              currentLineVector,
              manipulator.getWidgetNormal(),
              axisTranslation
            );
          }

          const closestPoint = [];
          worldCoords = manipulator.handleEvent(
            calldata,
            model._apiSpecificRenderWindow
          ).worldCoords;
          vtkLine.distanceToLine(
            worldCoords,
            lineHandle.getOrigin(),
            pointOnLine,
            closestPoint
          );

          const translationVector = vtkMath.subtract(worldCoords, closestPoint, []);
          const translationDistance = vtkMath.dot(
            translationVector,
            axisTranslation
          );

          newOrigin = vtkMath.multiplyAccumulate(
            center,
            axisTranslation,
            translationDistance,
            newOrigin
          );
        }
        newOrigin = publicAPI.getBoundedCenter(newOrigin);
        model.widgetState.setCenter(newOrigin);
        updateState(
          model.widgetState,
          model._factory.getScaleInPixels(),
          model._factory.getRotationHandlePosition()
        );
        previousPosition = worldCoords;
      };

      publicAPI.getBoundedCenter = (newCenter) => {
        const oldCenter = model.widgetState.getCenter();
        const imageBounds = model.widgetState.getImage().getBounds();

        if (vtkBoundingBox.containsPoint(imageBounds, ...newCenter)) {
          return newCenter;
        }

        return boundPointOnPlane(newCenter, oldCenter, imageBounds);
      };

      publicAPI[InteractionMethodsName.TranslateCenter] = (calldata) => {
        const manipulator =
          model.activeState?.getManipulator?.() ?? model.manipulator;
        const { worldCoords } = manipulator.handleEvent(
          calldata,
          model._apiSpecificRenderWindow
        );
        const translation = vtkMath.subtract(worldCoords, previousPosition, []);
        previousPosition = worldCoords;
        let newCenter = vtkMath.add(model.widgetState.getCenter(), translation, []);
        newCenter = publicAPI.getBoundedCenter(newCenter);
        model.widgetState.setCenter(newCenter);
        updateState(
          model.widgetState,
          model._factory.getScaleInPixels(),
          model._factory.getRotationHandlePosition()
        );
      };

      publicAPI[InteractionMethodsName.RotateLine] = (calldata) => {
        const activeLineHandle = publicAPI.getActiveLineHandle();
        const manipulator =
          model.activeState?.getManipulator?.() ?? model.manipulator;
        const planeNormal = manipulator.getWidgetNormal();
        const { worldCoords } = manipulator.handleEvent(
          calldata,
          model._apiSpecificRenderWindow
        );

        if (!worldCoords || !worldCoords.length) {
          return;
        }
        const center = model.widgetState.getCenter();
        const currentVectorToOrigin = [0, 0, 0];
        vtkMath.subtract(worldCoords, center, currentVectorToOrigin);
        vtkMath.normalize(currentVectorToOrigin);

        const previousLineDirection = activeLineHandle.getDirection();
        vtkMath.normalize(previousLineDirection);
        const activePointName = publicAPI.getActiveRotationPointName();
        if (
          activePointName === 'point1' ||
          (!activePointName &&
            vtkMath.dot(currentVectorToOrigin, previousLineDirection) < 0)
        ) {
          vtkMath.multiplyScalar(previousLineDirection, -1);
        }

        const radianAngle = vtkMath.signedAngleBetweenVectors(
          previousLineDirection,
          currentVectorToOrigin,
          planeNormal
        );

        publicAPI.rotateLineInView(publicAPI.getActiveLineName(), radianAngle);
      };

      /**
       * Rotate a line by a specified angle
       * @param {string} lineName The line name to rotate (e.g. YinX, ZinX, XinY, ZinY, XinZ, YinZ)
       * @param {Number} radianAngle Applied angle in radian
       */
      publicAPI.rotateLineInView = (lineName, radianAngle) => {
        const viewType = planeNameToViewType[getLinePlaneName(lineName)];
        const inViewType = planeNameToViewType[getLineInPlaneName(lineName)];
        const planeNormal = model.widgetState.getPlanes()[inViewType].normal;
        publicAPI.rotatePlane(viewType, radianAngle, planeNormal);

        if (publicAPI.getKeepOrthogonality()) {
          const otherLineName = getOtherLineName(model.widgetState, lineName);
          const otherPlaneName = getLinePlaneName(otherLineName);
          publicAPI.rotatePlane(
            planeNameToViewType[otherPlaneName],
            radianAngle,
            planeNormal
          );
        }
        updateState(
          model.widgetState,
          model._factory.getScaleInPixels(),
          model._factory.getRotationHandlePosition()
        );
      };

      /**
       * Rotate a specified plane around an other specified plane.
       * @param {ViewTypes} viewType Define which plane will be rotated
       * @param {Number} radianAngle Applied angle in radian
       * @param {vec3} planeNormal Define the axis to rotate around
       */
      publicAPI.rotatePlane = (viewType, radianAngle, planeNormal) => {
        const { normal, viewUp } = model.widgetState.getPlanes()[viewType];
        const newNormal = rotateVector(normal, planeNormal, radianAngle);
        const newViewUp = rotateVector(viewUp, planeNormal, radianAngle);

        model.widgetState.getPlanes()[viewType] = {
          normal: newNormal,
          viewUp: newViewUp,
        };
      };

      // --------------------------------------------------------------------------
      // initialization
      // --------------------------------------------------------------------------
    }
    cprBehavior.js
    import resliceCursorBehavior from 'vtk.js/Sources/Widgets/Widgets3D/ResliceCursorWidget/behavior';
    import { InteractionMethodsName } from 'vtk.js/Sources/Widgets/Widgets3D/ResliceCursorWidget/Constants';
    import { updateState } from 'vtk.js/Sources/Widgets/Widgets3D/ResliceCursorWidget/helpers';
    import { ViewTypes } from 'vtk.js/Sources/Widgets/Core/WidgetManager/Constants';
    import { vec3 } from 'gl-matrix';
    // import macro from 'vtk.js/Sources/macros';

    export default function widgetBehavior(publicAPI, model) {
      // We inherit resliceCursorBehavior
      resliceCursorBehavior(publicAPI, model);

      const stretchPlaneName = 'Y';
      const crossPlaneName = 'Z';

      publicAPI.getActiveInteraction = () => {
        if (
          model.widgetState
            .getStatesWithLabel(`lineIn${stretchPlaneName}`)
            .includes(model.activeState)
        ) {
          return InteractionMethodsName.TranslateCenterAndUpdatePlanes;
        }
        if (
          model.widgetState
            .getStatesWithLabel(`lineIn${crossPlaneName}`)
            .includes(model.activeState) ||
          model.widgetState
            .getStatesWithLabel(`rotationIn${crossPlaneName}`)
            .includes(model.activeState)
        ) {
          return InteractionMethodsName.RotateLine;
        }
        return null;
      };

      publicAPI[InteractionMethodsName.TranslateCenterAndUpdatePlanes] = (
        calldata
      ) => {
        const manipulator =
          model.activeState?.getManipulator?.() ?? model.manipulator;

        const { worldCoords, worldDirection } = manipulator.handleEvent(
          calldata,
          model._apiSpecificRenderWindow
        );
        publicAPI.updateCenterAndPlanes(worldCoords, worldDirection);
      };

      publicAPI.updateCenterAndPlanes = (worldCoords, worldDirection) => {
        // Update center
        const newBoundedCenter = publicAPI.getBoundedCenter(worldCoords);
        model.widgetState.setCenter(newBoundedCenter);

        // Update planes if axes are given
        if (worldDirection) {
          const getAxis = (idx) =>
            vec3.normalize([], worldDirection.slice(3 * idx, 3 * idx + 3));
          const planes = model.widgetState.getPlanes();
          Object.keys(planes).forEach((viewType) => {
            switch (Number.parseInt(viewType, 10)) {
              case ViewTypes.YZ_PLANE:
                planes[viewType] = {
                  normal: getAxis(0),
                  viewUp: getAxis(2),
                };
                break;
              case ViewTypes.XZ_PLANE:
                planes[viewType] = {
                  normal: getAxis(1),
                  viewUp: getAxis(2),
                };
                break;
              case ViewTypes.XY_PLANE:
                planes[viewType] = {
                  normal: getAxis(2),
                  viewUp: getAxis(1),
                };
                break;
              default:
                break;
            }
          });
        }

        updateState(
          model.widgetState,
          model._factory.getScaleInPixels(),
          model._factory.getRotationHandlePosition()
        );
      };

      publicAPI.translateCenterOnPlaneDirection = (nbSteps) => {
        const handleScroll = model._factory.getManipulator()?.handleScroll;
        if (handleScroll) {
          const { worldCoords, worldDirection } = handleScroll(nbSteps);
          publicAPI.updateCenterAndPlanes(worldCoords, worldDirection);
        }
      };
    }
    helpers.js
    import vtkBoundingBox, {
      STATIC,
    } from 'vtk.js/Sources/Common/DataModel/BoundingBox';
    import vtkCubeSource from 'vtk.js/Sources/Filters/Sources/CubeSource';
    import vtkCutter from 'vtk.js/Sources/Filters/Core/Cutter';
    import vtkPlane from 'vtk.js/Sources/Common/DataModel/Plane';
    import * as vtkMath from 'vtk.js/Sources/Common/Core/Math';
    import vtkMatrixBuilder from 'vtk.js/Sources/Common/Core/MatrixBuilder';

    import {
      planeNames,
      planeNameToViewType,
      viewTypeToPlaneName,
    } from 'vtk.js/Sources/Widgets/Widgets3D/ResliceCursorWidget/Constants';

    const EPSILON = 10e-7;

    /**
     * Fit the plane defined by origin, p1, p2 onto the bounds.
     * Plane is untouched if does not intersect bounds.
     * @param {Array} bounds
     * @param {Array} origin
     * @param {Array} p1
     * @param {Array} p2
     * @return {Boolean} false if no bounds have been found, else true
     */
    export function boundPlane(bounds, origin, p1, p2) {
      const v1 = [];
      vtkMath.subtract(p1, origin, v1);
      vtkMath.normalize(v1);

      const v2 = [];
      vtkMath.subtract(p2, origin, v2);
      vtkMath.normalize(v2);

      const n = [0, 0, 1];
      vtkMath.cross(v1, v2, n);
      vtkMath.normalize(n);

      // Inflate bounds in order to avoid precision error when cutting cubesource
      const inflatedBounds = [...bounds];
      const eps = [...n];
      vtkMath.multiplyScalar(eps, EPSILON);
      vtkBoundingBox.addBounds(
        inflatedBounds,
        bounds[0] + eps[0],
        bounds[1] + eps[0],
        bounds[2] + eps[1],
        bounds[3] + eps[1],
        bounds[4] + eps[2],
        bounds[5] + eps[2]
      );
      vtkBoundingBox.addBounds(
        inflatedBounds,
        bounds[0] - eps[0],
        bounds[1] - eps[0],
        bounds[2] - eps[1],
        bounds[3] - eps[1],
        bounds[4] - eps[2],
        bounds[5] - eps[2]
      );

      const plane = vtkPlane.newInstance();
      plane.setOrigin(...origin);
      plane.setNormal(...n);

      const cubeSource = vtkCubeSource.newInstance();
      cubeSource.setBounds(inflatedBounds);

      const cutter = vtkCutter.newInstance();
      cutter.setCutFunction(plane);
      cutter.setInputConnection(cubeSource.getOutputPort());

      const cutBounds = cutter.getOutputData();
      if (cutBounds.getNumberOfPoints() === 0) {
        return false;
      }
      const localBounds = STATIC.computeLocalBounds(
        cutBounds.getPoints(),
        v1,
        v2,
        n
      );
      for (let i = 0; i < 3; i += 1) {
        origin[i] =
          localBounds[0] * v1[i] + localBounds[2] * v2[i] + localBounds[4] * n[i];
        p1[i] =
          localBounds[1] * v1[i] + localBounds[2] * v2[i] + localBounds[4] * n[i];
        p2[i] =
          localBounds[0] * v1[i] + localBounds[3] * v2[i] + localBounds[4] * n[i];
      }
      return true;
    }
    // Project point (inPoint) to the bounds of the image according to a plane
    // defined by two vectors (v1, v2)
    export function boundPoint(inPoint, v1, v2, bounds) {
      const absT1 = v1.map((val) => Math.abs(val));
      const absT2 = v2.map((val) => Math.abs(val));

      let o1 = 0.0;
      let o2 = 0.0;

      for (let i = 0; i < 3; i++) {
        let axisOffset = 0;

        const useT1 = absT1[i] > absT2[i];
        const t = useT1 ? v1 : v2;
        const absT = useT1 ? absT1 : absT2;

        if (inPoint[i] < bounds[i * 2]) {
          axisOffset = absT[i] > EPSILON ? (bounds[2 * i] - inPoint[i]) / t[i] : 0;
        } else if (inPoint[i] > bounds[2 * i + 1]) {
          axisOffset =
            absT[i] > EPSILON ? (bounds[2 * i + 1] - inPoint[i]) / t[i] : 0;
        }

        if (useT1) {
          if (Math.abs(axisOffset) > Math.abs(o1)) {
            o1 = axisOffset;
          }
        } else if (Math.abs(axisOffset) > Math.abs(o2)) {
          o2 = axisOffset;
        }
      }

      const outPoint = [inPoint[0], inPoint[1], inPoint[2]];

      if (o1 !== 0.0) {
        vtkMath.multiplyAccumulate(outPoint, v1, o1, outPoint);
      }
      if (o2 !== 0.0) {
        vtkMath.multiplyAccumulate(outPoint, v2, o2, outPoint);
      }

      return outPoint;
    }

    // Compute the intersection between p1 and p2 on bounds
    export function boundPointOnPlane(p1, p2, bounds) {
      const dir12 = [0, 0, 0];
      vtkMath.subtract(p2, p1, dir12);

      const out = [0, 0, 0];
      const tolerance = [0, 0, 0];
      vtkBoundingBox.intersectBox(bounds, p1, dir12, out, tolerance);

      return out;
    }

    /**
     * Rotates a vector around another.
     * @param {vec3} vectorToBeRotated Vector to rate
     * @param {vec3} axis Axis to rotate around
     * @param {Number} angle Angle in radian
     * @returns The rotated vector
     */
    export function rotateVector(vectorToBeRotated, axis, angle) {
      const rotatedVector = [...vectorToBeRotated];
      vtkMatrixBuilder.buildFromRadian().rotate(angle, axis).apply(rotatedVector);
      return rotatedVector;
    }

    /**
     * Return ['X', 'Y'] if there are only 2 planes defined in the widget state.
     * Return ['X', 'Y', 'Z'] if there are 3 planes defined in the widget state.
     * @param {object} widgetState the state of the widget
     * @returns An array of plane names
     */
    export function getPlaneNames(widgetState) {
      return Object.keys(widgetState.getPlanes()).map(
        (viewType) => viewTypeToPlaneName[viewType]
      );
    }

    /**
     * Return X if lineName == XinY|XinZ, Y if lineName == YinX|YinZ and Z otherwise
     * @param {string} lineName name of the line (YinX, ZinX, XinY, ZinY, XinZ, YinZ)
     */
    export function getLinePlaneName(lineName) {
      return lineName[0];
    }
    /**
     * Return X if lineName == YinX|ZinX, Y if lineName == XinY|ZinY and Z otherwise
     * @param {string} lineName name of the line (YinX, ZinX, XinY, ZinY, XinZ, YinZ)
     */
    export function getLineInPlaneName(lineName) {
      return lineName[3];
    }

    /**
     * Returns ['XinY', 'YinX'] if planes == ['X', 'Y']
     * ['XinY', 'XinZ', 'YinX', 'YinZ', 'ZinX', 'ZinY'] if planes == ['X', 'Y', 'Z']
     * @param {string} planes name of the planes (e.g. ['X', 'Y'])
     */
    export function getPlanesLineNames(planes = planeNames) {
      const lines = [];
      planes.forEach((plane) => {
        planes.forEach((inPlane) => {
          if (plane !== inPlane) {
            lines.push(`${plane}in${inPlane}`);
          }
        });
      });
      return lines;
    }

    export function getLineNames(widgetState) {
      const planes = Object.keys(widgetState.getPlanes()).map(
        (viewType) => viewTypeToPlaneName[viewType]
      );
      return getPlanesLineNames(planes);
    }

    /**
     * Return ZinX if lineName == YinX, YinX if lineName == ZinX, ZinY if lineName == XinY...
     * @param {string} lineName name of the line (YinX, ZinX, XinY, ZinY, XinZ, YinZ)
     */
    export function getOtherLineName(widgetState, lineName) {
      const linePlaneName = getLinePlaneName(lineName);
      const lineInPlaneName = getLineInPlaneName(lineName);
      const otherLineName = getPlaneNames(widgetState).find(
        (planeName) => planeName !== linePlaneName && planeName !== lineInPlaneName
      );
      return `${otherLineName}in${lineInPlaneName}`;
    }

    // Compute the offset of the rotation handle origin
    function computeRotationHandleOriginOffset(
      axis,
      rotationHandlePosition,
      volumeDiagonalLength,
      scaleInPixels
    ) {
      // FIXME: p1 and p2 could be placed on the exact boundaries of the volume.
      return vtkMath.multiplyScalar(
        [...axis],
        (rotationHandlePosition * (scaleInPixels ? 1 : volumeDiagonalLength)) / 2
      );
    }

    // Update the reslice cursor state according to the three planes normals and the origin
    export function updateState(
      widgetState,
      scaleInPixels,
      rotationHandlePosition
    ) {
      const planes = Object.keys(widgetState.getPlanes()).map(
        (viewType) => viewTypeToPlaneName[viewType]
      );
      // Generates an object as such:
      // axes = {'XY': cross(X, Y), 'YX': cross(X, Y), 'YZ': cross(Y, Z)...}
      const axes = planes.reduce((res, plane) => {
        planes
          .filter((otherPlane) => plane !== otherPlane)
          .forEach((otherPlane) => {
            const cross = vtkMath.cross(
              widgetState.getPlanes()[planeNameToViewType[plane]].normal,
              widgetState.getPlanes()[planeNameToViewType[otherPlane]].normal,
              []
            );
            res[`${plane}${otherPlane}`] = cross;
            res[`${otherPlane}${plane}`] = cross;
          });
        return res;
      }, {});

      const bounds = widgetState.getImage().getBounds();
      const center = widgetState.getCenter();

      // Length of the principal diagonal.
      const pdLength = vtkBoundingBox.getDiagonalLength(bounds);

      widgetState.getCenterHandle().setOrigin(center);

      getPlanesLineNames(planes).forEach((lineName) => {
        const planeName = getLinePlaneName(lineName);
        const inPlaneName = getLineInPlaneName(lineName);
        const direction = axes[`${planeName}${inPlaneName}`];
        widgetState[`getRotationHandle${lineName}0`]().setOrigin(center);
        widgetState[`getRotationHandle${lineName}0`]()
          .getManipulator()
          ?.setHandleOrigin(center);
        widgetState[`getRotationHandle${lineName}0`]()
          .getManipulator()
          ?.setHandleNormal(
            widgetState.getPlanes()[planeNameToViewType[planeName]].normal
          );
        widgetState[`getRotationHandle${lineName}0`]().setOffset(
          computeRotationHandleOriginOffset(
            direction,
            rotationHandlePosition,
            pdLength,
            scaleInPixels
          )
        );
        widgetState[`getRotationHandle${lineName}1`]().setOrigin(center);
        widgetState[`getRotationHandle${lineName}1`]()
          .getManipulator()
          ?.setHandleOrigin(center);
        widgetState[`getRotationHandle${lineName}1`]()
          .getManipulator()
          ?.setHandleNormal(
            widgetState.getPlanes()[planeNameToViewType[planeName]].normal
          );
        widgetState[`getRotationHandle${lineName}1`]().setOffset(
          computeRotationHandleOriginOffset(
            direction,
            -rotationHandlePosition,
            pdLength,
            scaleInPixels
          )
        );
        const lineHandle = widgetState[`getAxis${lineName}`]();
        lineHandle.setOrigin(center);
        lineHandle.getManipulator()?.setHandleOrigin(center);
        lineHandle
          .getManipulator()
          ?.setHandleNormal(
            widgetState.getPlanes()[planeNameToViewType[planeName]].normal
          );
        const scale = vtkMath.normalize(direction);
        const scale3 = lineHandle.getScale3();
        scale3[2] = 2 * scale;
        lineHandle.setScale3(scale3);
        const right =
          widgetState.getPlanes()[planeNameToViewType[inPlaneName]].normal;
        const up = vtkMath.cross(direction, right, []);
        lineHandle.setRight(right);
        lineHandle.setUp(up);
        lineHandle.setDirection(direction);
      });
    }

    /**
     * First rotate planeToTransform to match targetPlane normal.
     * Then rotate around targetNormal to enforce targetViewUp "up" vector (i.e. Origin->p2 ).
     * There is an infinite number of options to rotate a plane normal to another. Here we attempt to
     * preserve Origin, P1 and P2 when rotating around targetPlane.
     * @param {vtkPlaneSource} planeToTransform
     * @param {vec3} targetOrigin Center of the plane
     * @param {vec3} targetNormal Normal to state to the plane
     * @param {vec3} viewType Vector that enforces view up
     */
    export function transformPlane(
      planeToTransform,
      targetCenter,
      targetNormal,
      targetViewUp
    ) {
      planeToTransform.setNormal(targetNormal);
      const viewUp = vtkMath.subtract(
        planeToTransform.getPoint2(),
        planeToTransform.getOrigin(),
        []
      );
      const angle = vtkMath.signedAngleBetweenVectors(
        viewUp,
        targetViewUp,
        targetNormal
      );
      planeToTransform.rotate(angle, targetNormal);
      planeToTransform.setCenter(targetCenter);
    }
    @@ -185,7 +186,7 @@

    diff --git a/api/Widgets_Widgets3D_SeedWidget.html b/api/Widgets_Widgets3D_SeedWidget.html index b71ec856db0..d568555d20c 100644 --- a/api/Widgets_Widgets3D_SeedWidget.html +++ b/api/Widgets_Widgets3D_SeedWidget.html @@ -48,8 +48,8 @@ - - + + @@ -120,7 +120,7 @@

    diff --git a/api/Widgets_Widgets3D_ShapeWidget.html b/api/Widgets_Widgets3D_ShapeWidget.html index e30dec4ddf1..b47b6d1a689 100644 --- a/api/Widgets_Widgets3D_ShapeWidget.html +++ b/api/Widgets_Widgets3D_ShapeWidget.html @@ -48,8 +48,8 @@ - - + + @@ -119,7 +119,7 @@

    diff --git a/api/Widgets_Widgets3D_SphereWidget.html b/api/Widgets_Widgets3D_SphereWidget.html index b982746d563..4fcccd3b23b 100644 --- a/api/Widgets_Widgets3D_SphereWidget.html +++ b/api/Widgets_Widgets3D_SphereWidget.html @@ -48,8 +48,8 @@ - - + + @@ -120,7 +120,7 @@

    diff --git a/api/Widgets_Widgets3D_SplineWidget.html b/api/Widgets_Widgets3D_SplineWidget.html index 018efdf6537..e0e61c333a5 100644 --- a/api/Widgets_Widgets3D_SplineWidget.html +++ b/api/Widgets_Widgets3D_SplineWidget.html @@ -48,8 +48,8 @@ - - + + @@ -119,7 +119,7 @@

    diff --git a/api/index.html b/api/index.html index be63d7cf648..a7f5c07dfe6 100644 --- a/api/index.html +++ b/api/index.html @@ -49,8 +49,8 @@ - - + + @@ -146,7 +146,7 @@

    API

    diff --git a/atom.xml b/atom.xml index 899249246ed..b814ce6318d 100644 --- a/atom.xml +++ b/atom.xml @@ -6,7 +6,7 @@ - 2024-01-03T17:24:59.296Z + 2024-01-04T21:35:33.530Z https://kitware.github.io/vtk-js/ @@ -21,7 +21,7 @@ https://kitware.github.io/vtk-js/2016/04/29/kw-doc/ 2016-04-29T00:00:00.000Z - 2024-01-03T17:24:59.296Z + 2024-01-04T21:35:33.530Z Thanks for using kw-doc which is based on Hexo and its template from its own documentation.

    ]]>     diff --git a/coverage/Sources/Common/Core/Base64/index.html b/coverage/Sources/Common/Core/Base64/index.html index 2c17db3d726..06a8441c689 100644 --- a/coverage/Sources/Common/Core/Base64/index.html +++ b/coverage/Sources/Common/Core/Base64/index.html @@ -101,7 +101,7 @@

    All files Sources/Common/Core/Base64 Code coverage generated by istanbul - at Wed Jan 03 2024 17:23:54 GMT+0000 (Coordinated Universal Time) + at Thu Jan 04 2024 21:34:23 GMT+0000 (Coordinated Universal Time) diff --git a/examples/ImageCPRMapper/ImageCPRMapper.js b/examples/ImageCPRMapper/ImageCPRMapper.js index b8f392b2ef0..0f3086d3884 100644 --- a/examples/ImageCPRMapper/ImageCPRMapper.js +++ b/examples/ImageCPRMapper/ImageCPRMapper.js @@ -1 +1 @@ -!function(){var e={334:function(){const e=document.querySelector("head");e&&[16,32,96,160,196].forEach((t=>{const n=document.createElement("link");n.setAttribute("rel","icon"),n.setAttribute("href",`https://kitware.github.io/vtk-js/icon/favicon-${t}x${t}.png`),n.setAttribute("sizes",`${t}x${t}`),n.setAttribute("type","image/png"),e.appendChild(n)}))},702:function(e,t,n){"use strict";n.r(t);var r={};n.r(r),n.d(r,{add:function(){return Q},adjoint:function(){return v},clone:function(){return u},copy:function(){return 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n=t[1],r=t[2],o=t[3],a=t[6],i=t[7],s=t[11];e[1]=t[4],e[2]=t[8],e[3]=t[12],e[4]=n,e[6]=t[9],e[7]=t[13],e[8]=r,e[9]=a,e[11]=t[14],e[12]=o,e[13]=i,e[14]=s}else e[0]=t[0],e[1]=t[4],e[2]=t[8],e[3]=t[12],e[4]=t[1],e[5]=t[5],e[6]=t[9],e[7]=t[13],e[8]=t[2],e[9]=t[6],e[10]=t[10],e[11]=t[14],e[12]=t[3],e[13]=t[7],e[14]=t[11],e[15]=t[15];return e}function h(e,t){var n=t[0],r=t[1],o=t[2],a=t[3],i=t[4],s=t[5],l=t[6],c=t[7],u=t[8],d=t[9],p=t[10],f=t[11],g=t[12],m=t[13],h=t[14],v=t[15],y=n*s-r*i,b=n*l-o*i,x=n*c-a*i,T=r*l-o*s,C=r*c-a*s,S=o*c-a*l,A=u*m-d*g,P=u*h-p*g,I=u*v-f*g,w=d*h-p*m,O=d*v-f*m,M=p*v-f*h,R=y*M-b*O+x*w+T*I-C*P+S*A;return R?(R=1/R,e[0]=(s*M-l*O+c*w)*R,e[1]=(o*O-r*M-a*w)*R,e[2]=(m*S-h*C+v*T)*R,e[3]=(p*C-d*S-f*T)*R,e[4]=(l*I-i*M-c*P)*R,e[5]=(n*M-o*I+a*P)*R,e[6]=(h*x-g*S-v*b)*R,e[7]=(u*S-p*x+f*b)*R,e[8]=(i*O-s*I+c*A)*R,e[9]=(r*I-n*O-a*A)*R,e[10]=(g*C-m*x+v*y)*R,e[11]=(d*x-u*C-f*y)*R,e[12]=(s*P-i*w-l*A)*R,e[13]=(n*w-r*P+o*A)*R,e[14]=(m*b-g*T-h*y)*R,e[15]=(u*T-d*b+p*y)*R,e):null}function v(e,t){var n=t[0],r=t[1],o=t[2],a=t[3],i=t[4],s=t[5],l=t[6],c=t[7],u=t[8],d=t[9],p=t[10],f=t[11],g=t[12],m=t[13],h=t[14],v=t[15];return e[0]=s*(p*v-f*h)-d*(l*v-c*h)+m*(l*f-c*p),e[1]=-(r*(p*v-f*h)-d*(o*v-a*h)+m*(o*f-a*p)),e[2]=r*(l*v-c*h)-s*(o*v-a*h)+m*(o*c-a*l),e[3]=-(r*(l*f-c*p)-s*(o*f-a*p)+d*(o*c-a*l)),e[4]=-(i*(p*v-f*h)-u*(l*v-c*h)+g*(l*f-c*p)),e[5]=n*(p*v-f*h)-u*(o*v-a*h)+g*(o*f-a*p),e[6]=-(n*(l*v-c*h)-i*(o*v-a*h)+g*(o*c-a*l)),e[7]=n*(l*f-c*p)-i*(o*f-a*p)+u*(o*c-a*l),e[8]=i*(d*v-f*m)-u*(s*v-c*m)+g*(s*f-c*d),e[9]=-(n*(d*v-f*m)-u*(r*v-a*m)+g*(r*f-a*d)),e[10]=n*(s*v-c*m)-i*(r*v-a*m)+g*(r*c-a*s),e[11]=-(n*(s*f-c*d)-i*(r*f-a*d)+u*(r*c-a*s)),e[12]=-(i*(d*h-p*m)-u*(s*h-l*m)+g*(s*p-l*d)),e[13]=n*(d*h-p*m)-u*(r*h-o*m)+g*(r*p-o*d),e[14]=-(n*(s*h-l*m)-i*(r*h-o*m)+g*(r*l-o*s)),e[15]=n*(s*p-l*d)-i*(r*p-o*d)+u*(r*l-o*s),e}function y(e){var t=e[0],n=e[1],r=e[2],o=e[3],a=e[4],i=e[5],s=e[6],l=e[7],c=e[8],u=e[9],d=e[10],p=e[11],f=e[12],g=e[13],m=e[14],h=e[15];return(t*i-n*a)*(d*h-p*m)-(t*s-r*a)*(u*h-p*g)+(t*l-o*a)*(u*m-d*g)+(n*s-r*i)*(c*h-p*f)-(n*l-o*i)*(c*m-d*f)+(r*l-o*s)*(c*g-u*f)}function b(e,t,n){var r=t[0],o=t[1],a=t[2],i=t[3],s=t[4],l=t[5],c=t[6],u=t[7],d=t[8],p=t[9],f=t[10],g=t[11],m=t[12],h=t[13],v=t[14],y=t[15],b=n[0],x=n[1],T=n[2],C=n[3];return e[0]=b*r+x*s+T*d+C*m,e[1]=b*o+x*l+T*p+C*h,e[2]=b*a+x*c+T*f+C*v,e[3]=b*i+x*u+T*g+C*y,b=n[4],x=n[5],T=n[6],C=n[7],e[4]=b*r+x*s+T*d+C*m,e[5]=b*o+x*l+T*p+C*h,e[6]=b*a+x*c+T*f+C*v,e[7]=b*i+x*u+T*g+C*y,b=n[8],x=n[9],T=n[10],C=n[11],e[8]=b*r+x*s+T*d+C*m,e[9]=b*o+x*l+T*p+C*h,e[10]=b*a+x*c+T*f+C*v,e[11]=b*i+x*u+T*g+C*y,b=n[12],x=n[13],T=n[14],C=n[15],e[12]=b*r+x*s+T*d+C*m,e[13]=b*o+x*l+T*p+C*h,e[14]=b*a+x*c+T*f+C*v,e[15]=b*i+x*u+T*g+C*y,e}function x(e,t,n){var r,o,a,i,s,l,c,u,d,p,f,g,m=n[0],h=n[1],v=n[2];return t===e?(e[12]=t[0]*m+t[4]*h+t[8]*v+t[12],e[13]=t[1]*m+t[5]*h+t[9]*v+t[13],e[14]=t[2]*m+t[6]*h+t[10]*v+t[14],e[15]=t[3]*m+t[7]*h+t[11]*v+t[15]):(r=t[0],o=t[1],a=t[2],i=t[3],s=t[4],l=t[5],c=t[6],u=t[7],d=t[8],p=t[9],f=t[10],g=t[11],e[0]=r,e[1]=o,e[2]=a,e[3]=i,e[4]=s,e[5]=l,e[6]=c,e[7]=u,e[8]=d,e[9]=p,e[10]=f,e[11]=g,e[12]=r*m+s*h+d*v+t[12],e[13]=o*m+l*h+p*v+t[13],e[14]=a*m+c*h+f*v+t[14],e[15]=i*m+u*h+g*v+t[15]),e}function T(e,t,n){var r=n[0],o=n[1],a=n[2];return e[0]=t[0]*r,e[1]=t[1]*r,e[2]=t[2]*r,e[3]=t[3]*r,e[4]=t[4]*o,e[5]=t[5]*o,e[6]=t[6]*o,e[7]=t[7]*o,e[8]=t[8]*a,e[9]=t[9]*a,e[10]=t[10]*a,e[11]=t[11]*a,e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15],e}function C(e,t,n,r){var o,i,s,l,c,u,d,p,f,g,m,h,v,y,b,x,T,C,S,A,P,I,w,O,M=r[0],R=r[1],V=r[2],E=Math.hypot(M,R,V);return E0?(n[0]=2*(l*s+d*r+c*a-u*o)/p,n[1]=2*(c*s+d*o+u*r-l*a)/p,n[2]=2*(u*s+d*a+l*o-c*r)/p):(n[0]=2*(l*s+d*r+c*a-u*o),n[1]=2*(c*s+d*o+u*r-l*a),n[2]=2*(u*s+d*a+l*o-c*r)),E(e,t,n),e}function L(e,t){return e[0]=t[12],e[1]=t[13],e[2]=t[14],e}function B(e,t){var n=t[0],r=t[1],o=t[2],a=t[4],i=t[5],s=t[6],l=t[8],c=t[9],u=t[10];return e[0]=Math.hypot(n,r,o),e[1]=Math.hypot(a,i,s),e[2]=Math.hypot(l,c,u),e}function N(e,t){var n=new i(3);B(n,t);var r=1/n[0],o=1/n[1],a=1/n[2],s=t[0]*r,l=t[1]*o,c=t[2]*a,u=t[4]*r,d=t[5]*o,p=t[6]*a,f=t[8]*r,g=t[9]*o,m=t[10]*a,h=s+d+m,v=0;return h>0?(v=2*Math.sqrt(h+1),e[3]=.25*v,e[0]=(p-g)/v,e[1]=(f-c)/v,e[2]=(l-u)/v):s>d&&s>m?(v=2*Math.sqrt(1+s-d-m),e[3]=(p-g)/v,e[0]=.25*v,e[1]=(l+u)/v,e[2]=(f+c)/v):d>m?(v=2*Math.sqrt(1+d-s-m),e[3]=(f-c)/v,e[0]=(l+u)/v,e[1]=.25*v,e[2]=(p+g)/v):(v=2*Math.sqrt(1+m-s-d),e[3]=(l-u)/v,e[0]=(f+c)/v,e[1]=(p+g)/v,e[2]=.25*v),e}function k(e,t,n,r){var o=t[0],a=t[1],i=t[2],s=t[3],l=o+o,c=a+a,u=i+i,d=o*l,p=o*c,f=o*u,g=a*c,m=a*u,h=i*u,v=s*l,y=s*c,b=s*u,x=r[0],T=r[1],C=r[2];return e[0]=(1-(g+h))*x,e[1]=(p+b)*x,e[2]=(f-y)*x,e[3]=0,e[4]=(p-b)*T,e[5]=(1-(d+h))*T,e[6]=(m+v)*T,e[7]=0,e[8]=(f+y)*C,e[9]=(m-v)*C,e[10]=(1-(d+g))*C,e[11]=0,e[12]=n[0],e[13]=n[1],e[14]=n[2],e[15]=1,e}function F(e,t,n,r,o){var a=t[0],i=t[1],s=t[2],l=t[3],c=a+a,u=i+i,d=s+s,p=a*c,f=a*u,g=a*d,m=i*u,h=i*d,v=s*d,y=l*c,b=l*u,x=l*d,T=r[0],C=r[1],S=r[2],A=o[0],P=o[1],I=o[2],w=(1-(m+v))*T,O=(f+x)*T,M=(g-b)*T,R=(f-x)*C,V=(1-(p+v))*C,E=(h+y)*C,D=(g+b)*S,L=(h-y)*S,B=(1-(p+m))*S;return e[0]=w,e[1]=O,e[2]=M,e[3]=0,e[4]=R,e[5]=V,e[6]=E,e[7]=0,e[8]=D,e[9]=L,e[10]=B,e[11]=0,e[12]=n[0]+A-(w*A+R*P+D*I),e[13]=n[1]+P-(O*A+V*P+L*I),e[14]=n[2]+I-(M*A+E*P+B*I),e[15]=1,e}function _(e,t){var n=t[0],r=t[1],o=t[2],a=t[3],i=n+n,s=r+r,l=o+o,c=n*i,u=r*i,d=r*s,p=o*i,f=o*s,g=o*l,m=a*i,h=a*s,v=a*l;return e[0]=1-d-g,e[1]=u+v,e[2]=p-h,e[3]=0,e[4]=u-v,e[5]=1-c-g,e[6]=f+m,e[7]=0,e[8]=p+h,e[9]=f-m,e[10]=1-c-d,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e}function G(e,t,n,r,o,a,i){var s=1/(n-t),l=1/(o-r),c=1/(a-i);return e[0]=2*a*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=2*a*l,e[6]=0,e[7]=0,e[8]=(n+t)*s,e[9]=(o+r)*l,e[10]=(i+a)*c,e[11]=-1,e[12]=0,e[13]=0,e[14]=i*a*2*c,e[15]=0,e}function U(e,t,n,r,o){var a,i=1/Math.tan(t/2);return e[0]=i/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=i,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(a=1/(r-o),e[10]=(o+r)*a,e[14]=2*o*r*a):(e[10]=-1,e[14]=-2*r),e}Math.hypot||(Math.hypot=function(){for(var e=0,t=arguments.length;t--;)e+=arguments[t]*arguments[t];return Math.sqrt(e)});var W=U;function z(e,t,n,r,o){var a,i=1/Math.tan(t/2);return e[0]=i/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=i,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(a=1/(r-o),e[10]=o*a,e[14]=o*r*a):(e[10]=-1,e[14]=-r),e}function H(e,t,n,r){var o=Math.tan(t.upDegrees*Math.PI/180),a=Math.tan(t.downDegrees*Math.PI/180),i=Math.tan(t.leftDegrees*Math.PI/180),s=Math.tan(t.rightDegrees*Math.PI/180),l=2/(i+s),c=2/(o+a);return e[0]=l,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=c,e[6]=0,e[7]=0,e[8]=-(i-s)*l*.5,e[9]=(o-a)*c*.5,e[10]=r/(n-r),e[11]=-1,e[12]=0,e[13]=0,e[14]=r*n/(n-r),e[15]=0,e}function j(e,t,n,r,o,a,i){var s=1/(t-n),l=1/(r-o),c=1/(a-i);return e[0]=-2*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*l,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=2*c,e[11]=0,e[12]=(t+n)*s,e[13]=(o+r)*l,e[14]=(i+a)*c,e[15]=1,e}var K=j;function $(e,t,n,r,o,a,i){var s=1/(t-n),l=1/(r-o),c=1/(a-i);return e[0]=-2*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*l,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=c,e[11]=0,e[12]=(t+n)*s,e[13]=(o+r)*l,e[14]=a*c,e[15]=1,e}function q(e,t,n,r){var o,i,s,l,c,u,d,p,f,m,h=t[0],v=t[1],y=t[2],b=r[0],x=r[1],T=r[2],C=n[0],S=n[1],A=n[2];return Math.abs(h-C)0&&(u*=f=1/Math.sqrt(f),d*=f,p*=f);var g=l*p-c*d,m=c*u-s*p,h=s*d-l*u;return(f=g*g+m*m+h*h)>0&&(g*=f=1/Math.sqrt(f),m*=f,h*=f),e[0]=g,e[1]=m,e[2]=h,e[3]=0,e[4]=d*h-p*m,e[5]=p*g-u*h,e[6]=u*m-d*g,e[7]=0,e[8]=u,e[9]=d,e[10]=p,e[11]=0,e[12]=o,e[13]=a,e[14]=i,e[15]=1,e}function Y(e){return"mat4("+e[0]+", "+e[1]+", "+e[2]+", "+e[3]+", "+e[4]+", "+e[5]+", "+e[6]+", "+e[7]+", "+e[8]+", "+e[9]+", "+e[10]+", "+e[11]+", "+e[12]+", "+e[13]+", "+e[14]+", "+e[15]+")"}function Z(e){return Math.hypot(e[0],e[1],e[2],e[3],e[4],e[5],e[6],e[7],e[8],e[9],e[10],e[11],e[12],e[13],e[14],e[15])}function Q(e,t,n){return e[0]=t[0]+n[0],e[1]=t[1]+n[1],e[2]=t[2]+n[2],e[3]=t[3]+n[3],e[4]=t[4]+n[4],e[5]=t[5]+n[5],e[6]=t[6]+n[6],e[7]=t[7]+n[7],e[8]=t[8]+n[8],e[9]=t[9]+n[9],e[10]=t[10]+n[10],e[11]=t[11]+n[11],e[12]=t[12]+n[12],e[13]=t[13]+n[13],e[14]=t[14]+n[14],e[15]=t[15]+n[15],e}function J(e,t,n){return e[0]=t[0]-n[0],e[1]=t[1]-n[1],e[2]=t[2]-n[2],e[3]=t[3]-n[3],e[4]=t[4]-n[4],e[5]=t[5]-n[5],e[6]=t[6]-n[6],e[7]=t[7]-n[7],e[8]=t[8]-n[8],e[9]=t[9]-n[9],e[10]=t[10]-n[10],e[11]=t[11]-n[11],e[12]=t[12]-n[12],e[13]=t[13]-n[13],e[14]=t[14]-n[14],e[15]=t[15]-n[15],e}function ee(e,t,n){return e[0]=t[0]*n,e[1]=t[1]*n,e[2]=t[2]*n,e[3]=t[3]*n,e[4]=t[4]*n,e[5]=t[5]*n,e[6]=t[6]*n,e[7]=t[7]*n,e[8]=t[8]*n,e[9]=t[9]*n,e[10]=t[10]*n,e[11]=t[11]*n,e[12]=t[12]*n,e[13]=t[13]*n,e[14]=t[14]*n,e[15]=t[15]*n,e}function te(e,t,n,r){return e[0]=t[0]+n[0]*r,e[1]=t[1]+n[1]*r,e[2]=t[2]+n[2]*r,e[3]=t[3]+n[3]*r,e[4]=t[4]+n[4]*r,e[5]=t[5]+n[5]*r,e[6]=t[6]+n[6]*r,e[7]=t[7]+n[7]*r,e[8]=t[8]+n[8]*r,e[9]=t[9]+n[9]*r,e[10]=t[10]+n[10]*r,e[11]=t[11]+n[11]*r,e[12]=t[12]+n[12]*r,e[13]=t[13]+n[13]*r,e[14]=t[14]+n[14]*r,e[15]=t[15]+n[15]*r,e}function ne(e,t){return e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]&&e[4]===t[4]&&e[5]===t[5]&&e[6]===t[6]&&e[7]===t[7]&&e[8]===t[8]&&e[9]===t[9]&&e[10]===t[10]&&e[11]===t[11]&&e[12]===t[12]&&e[13]===t[13]&&e[14]===t[14]&&e[15]===t[15]}function re(e,t){var n=e[0],r=e[1],o=e[2],i=e[3],s=e[4],l=e[5],c=e[6],u=e[7],d=e[8],p=e[9],f=e[10],g=e[11],m=e[12],h=e[13],v=e[14],y=e[15],b=t[0],x=t[1],T=t[2],C=t[3],S=t[4],A=t[5],P=t[6],I=t[7],w=t[8],O=t[9],M=t[10],R=t[11],V=t[12],E=t[13],D=t[14],L=t[15];return Math.abs(n-b)<=a*Math.max(1,Math.abs(n),Math.abs(b))&&Math.abs(r-x)<=a*Math.max(1,Math.abs(r),Math.abs(x))&&Math.abs(o-T)<=a*Math.max(1,Math.abs(o),Math.abs(T))&&Math.abs(i-C)<=a*Math.max(1,Math.abs(i),Math.abs(C))&&Math.abs(s-S)<=a*Math.max(1,Math.abs(s),Math.abs(S))&&Math.abs(l-A)<=a*Math.max(1,Math.abs(l),Math.abs(A))&&Math.abs(c-P)<=a*Math.max(1,Math.abs(c),Math.abs(P))&&Math.abs(u-I)<=a*Math.max(1,Math.abs(u),Math.abs(I))&&Math.abs(d-w)<=a*Math.max(1,Math.abs(d),Math.abs(w))&&Math.abs(p-O)<=a*Math.max(1,Math.abs(p),Math.abs(O))&&Math.abs(f-M)<=a*Math.max(1,Math.abs(f),Math.abs(M))&&Math.abs(g-R)<=a*Math.max(1,Math.abs(g),Math.abs(R))&&Math.abs(m-V)<=a*Math.max(1,Math.abs(m),Math.abs(V))&&Math.abs(h-E)<=a*Math.max(1,Math.abs(h),Math.abs(E))&&Math.abs(v-D)<=a*Math.max(1,Math.abs(v),Math.abs(D))&&Math.abs(y-L)<=a*Math.max(1,Math.abs(y),Math.abs(L))}var oe=b,ae=J;function ie(){var e=new i(9);return i!=Float32Array&&(e[1]=0,e[2]=0,e[3]=0,e[5]=0,e[6]=0,e[7]=0),e[0]=1,e[4]=1,e[8]=1,e}function se(e,t){return e[0]=t[0],e[1]=t[1],e[2]=t[2],e[3]=t[4],e[4]=t[5],e[5]=t[6],e[6]=t[8],e[7]=t[9],e[8]=t[10],e}function le(e){var t=new i(9);return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3],t[4]=e[4],t[5]=e[5],t[6]=e[6],t[7]=e[7],t[8]=e[8],t}function ce(e,t){return e[0]=t[0],e[1]=t[1],e[2]=t[2],e[3]=t[3],e[4]=t[4],e[5]=t[5],e[6]=t[6],e[7]=t[7],e[8]=t[8],e}function ue(e,t,n,r,o,a,s,l,c){var u=new i(9);return u[0]=e,u[1]=t,u[2]=n,u[3]=r,u[4]=o,u[5]=a,u[6]=s,u[7]=l,u[8]=c,u}function de(e,t,n,r,o,a,i,s,l,c){return e[0]=t,e[1]=n,e[2]=r,e[3]=o,e[4]=a,e[5]=i,e[6]=s,e[7]=l,e[8]=c,e}function pe(e){return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=1,e[5]=0,e[6]=0,e[7]=0,e[8]=1,e}function fe(e,t){if(e===t){var n=t[1],r=t[2],o=t[5];e[1]=t[3],e[2]=t[6],e[3]=n,e[5]=t[7],e[6]=r,e[7]=o}else e[0]=t[0],e[1]=t[3],e[2]=t[6],e[3]=t[1],e[4]=t[4],e[5]=t[7],e[6]=t[2],e[7]=t[5],e[8]=t[8];return e}function ge(e,t){var n=t[0],r=t[1],o=t[2],a=t[3],i=t[4],s=t[5],l=t[6],c=t[7],u=t[8],d=u*i-s*c,p=-u*a+s*l,f=c*a-i*l,g=n*d+r*p+o*f;return g?(g=1/g,e[0]=d*g,e[1]=(-u*r+o*c)*g,e[2]=(s*r-o*i)*g,e[3]=p*g,e[4]=(u*n-o*l)*g,e[5]=(-s*n+o*a)*g,e[6]=f*g,e[7]=(-c*n+r*l)*g,e[8]=(i*n-r*a)*g,e):null}function me(e,t){var n=t[0],r=t[1],o=t[2],a=t[3],i=t[4],s=t[5],l=t[6],c=t[7],u=t[8];return e[0]=i*u-s*c,e[1]=o*c-r*u,e[2]=r*s-o*i,e[3]=s*l-a*u,e[4]=n*u-o*l,e[5]=o*a-n*s,e[6]=a*c-i*l,e[7]=r*l-n*c,e[8]=n*i-r*a,e}function he(e){var t=e[0],n=e[1],r=e[2],o=e[3],a=e[4],i=e[5],s=e[6],l=e[7],c=e[8];return t*(c*a-i*l)+n*(-c*o+i*s)+r*(l*o-a*s)}function ve(e,t,n){var r=t[0],o=t[1],a=t[2],i=t[3],s=t[4],l=t[5],c=t[6],u=t[7],d=t[8],p=n[0],f=n[1],g=n[2],m=n[3],h=n[4],v=n[5],y=n[6],b=n[7],x=n[8];return e[0]=p*r+f*i+g*c,e[1]=p*o+f*s+g*u,e[2]=p*a+f*l+g*d,e[3]=m*r+h*i+v*c,e[4]=m*o+h*s+v*u,e[5]=m*a+h*l+v*d,e[6]=y*r+b*i+x*c,e[7]=y*o+b*s+x*u,e[8]=y*a+b*l+x*d,e}function ye(e,t,n){var 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ss(e,t){t.classHierarchy.push("vtkProp3D"),e.addPosition=n=>{t.position=t.position.map(((e,t)=>e+n[t])),e.modified()},e.getOrientationWXYZ=()=>{const e=Hi();N(e,t.rotation);const n=new Float64Array(3),r=function(e,t){var n=2*Math.acos(t[3]),r=Math.sin(n/2);return r>a?(e[0]=t[0]/r,e[1]=t[1]/r,e[2]=t[2]/r):(e[0]=1,e[1]=0,e[2]=0),n}(n,e);return[Do(r),n[0],n[1],n[2]]},e.rotateX=n=>{0!==n&&(S(t.rotation,t.rotation,Eo(n)),e.modified())},e.rotateY=n=>{0!==n&&(A(t.rotation,t.rotation,Eo(n)),e.modified())},e.rotateZ=n=>{0!==n&&(P(t.rotation,t.rotation,Eo(n)),e.modified())},e.rotateWXYZ=(n,r,o,a)=>{if(0===n||0===r&&0===o&&0===a)return;const i=Eo(n),s=Hi();ji(s,[r,o,a],i);const l=new Float64Array(16);_(l,s),b(t.rotation,t.rotation,l),e.modified()},e.setOrientation=(n,r,o)=>(n!==t.orientation[0]||r!==t.orientation[1]||o!==t.orientation[2])&&(t.orientation=[n,r,o],g(t.rotation),e.rotateZ(o),e.rotateX(n),e.rotateY(r),e.modified(),!0),e.setUserMatrix=n=>!ua(t.userMatrix,n)&&(d(t.userMatrix,n),e.modified(),!0),e.getMatrix=()=>(e.computeMatrix(),t.matrix),e.computeMatrix=()=>{if(e.getMTime()>t.matrixMTime.getMTime()){g(t.matrix),t.userMatrix&&b(t.matrix,t.matrix,t.userMatrix),x(t.matrix,t.matrix,t.origin),x(t.matrix,t.matrix,t.position),b(t.matrix,t.matrix,t.rotation),T(t.matrix,t.matrix,t.scale),x(t.matrix,t.matrix,[-t.origin[0],-t.origin[1],-t.origin[2]]),m(t.matrix,t.matrix),t.isIdentity=!0;for(let e=0;e<4;++e)for(let 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us={newInstance:jt.newInstance(cs,"vtkProp3D"),extend:cs};const ds={FLAT:0,GOURAUD:1,PHONG:2},ps={POINTS:0,WIREFRAME:1,SURFACE:2};var fs={Shading:ds,Representation:ps,Interpolation:ds};const{Representation:gs,Interpolation:ms}=fs;function hs(e){return()=>jt.vtkErrorMacro(`vtkProperty::${e} - NOT IMPLEMENTED`)}function vs(e,t){t.classHierarchy.push("vtkProperty"),e.setColor=(n,r,o)=>{Array.isArray(n)?t.color[0]===n[0]&&t.color[1]===n[1]&&t.color[2]===n[2]||(t.color[0]=n[0],t.color[1]=n[1],t.color[2]=n[2],e.modified()):t.color[0]===n&&t.color[1]===r&&t.color[2]===o||(t.color[0]=n,t.color[1]=r,t.color[2]=o,e.modified()),e.setDiffuseColor(t.color),e.setAmbientColor(t.color),e.setSpecularColor(t.color)},e.computeCompositeColor=hs("ComputeCompositeColor"),e.getColor=()=>{let e=0;t.ambient+t.diffuse+t.specular>0&&(e=1/(t.ambient+t.diffuse+t.specular));for(let n=0;n<3;n++)t.color[n]=e*(t.ambient*t.ambientColor[n]+t.diffuse*t.diffuseColor[n]+t.specular*t.specularColor[n]);return[].concat(t.color)},e.setSpecularPower=n=>{const r=1/Math.max(1,n);t.roughness===r&&t.specularPower===n||(t.specularPower=n,t.roughness=r,e.modified())},e.addShaderVariable=hs("AddShaderVariable"),e.setInterpolationToFlat=()=>e.setInterpolation(ms.FLAT),e.setInterpolationToGouraud=()=>e.setInterpolation(ms.GOURAUD),e.setInterpolationToPhong=()=>e.setInterpolation(ms.PHONG),e.getInterpolationAsString=()=>jt.enumToString(ms,t.interpolation),e.setRepresentationToWireframe=()=>e.setRepresentation(gs.WIREFRAME),e.setRepresentationToSurface=()=>e.setRepresentation(gs.SURFACE),e.setRepresentationToPoints=()=>e.setRepresentation(gs.POINTS),e.getRepresentationAsString=()=>jt.enumToString(gs,t.representation)}const ys={color:[1,1,1],ambientColor:[1,1,1],diffuseColor:[1,1,1],specularColor:[1,1,1],edgeColor:[0,0,0],ambient:0,diffuse:1,metallic:0,roughness:.6,normalStrength:1,emission:1,baseIOR:1.45,specular:0,specularPower:1,opacity:1,interpolation:ms.GOURAUD,representation:gs.SURFACE,edgeVisibility:!1,backfaceCulling:!1,frontfaceCulling:!1,pointSize:1,lineWidth:1,lighting:!0,shading:!1,materialName:null};function bs(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ys,n),jt.obj(e,t),jt.setGet(e,t,["lighting","interpolation","ambient","diffuse","metallic","roughness","normalStrength","emission","baseIOR","specular","specularPower","opacity","edgeVisibility","lineWidth","pointSize","backfaceCulling","frontfaceCulling","representation","diffuseTexture","metallicTexture","roughnessTexture","normalTexture","ambientOcclusionTexture","emissionTexture"]),jt.setGetArray(e,t,["ambientColor","specularColor","diffuseColor","edgeColor"],3),vs(e,t)}var xs={newInstance:jt.newInstance(bs,"vtkProperty"),extend:bs,...fs};const{vtkDebugMacro:Ts}=jt;function Cs(e,t){t.classHierarchy.push("vtkActor");const n={...e};e.getActors=()=>[e],e.getIsOpaque=()=>{if(t.forceOpaque)return!0;if(t.forceTranslucent)return!1;t.property||e.getProperty();let n=t.property.getOpacity()>=1;return n=n&&(!t.texture||!t.texture.isTranslucent()),n=n&&(!t.mapper||t.mapper.getIsOpaque()),n},e.hasTranslucentPolygonalGeometry=()=>null!==t.mapper&&(null===t.property&&e.setProperty(e.makeProperty()),!e.getIsOpaque()),e.makeProperty=xs.newInstance,e.getProperty=()=>(null===t.property&&(t.property=e.makeProperty()),t.property),e.getBounds=()=>{if(null===t.mapper)return t.bounds;const n=t.mapper.getBounds();if(!n||6!==n.length)return n;if(n[0]>n[1])return t.mapperBounds=n.concat(),t.bounds=[1,-1,1,-1,1,-1],t.boundsMTime.modified(),n;if(!t.mapperBounds||n[0]!==t.mapperBounds[0]||n[1]!==t.mapperBounds[1]||n[2]!==t.mapperBounds[2]||n[3]!==t.mapperBounds[3]||n[4]!==t.mapperBounds[4]||n[5]!==t.mapperBounds[5]||e.getMTime()>t.boundsMTime.getMTime()){Ts("Recomputing bounds..."),t.mapperBounds=n.concat();const r=[];Ui.getCorners(n,r),e.computeMatrix();const o=new Float64Array(16);m(o,t.matrix),r.forEach((e=>Ln(e,e,o))),t.bounds[0]=t.bounds[2]=t.bounds[4]=Number.MAX_VALUE,t.bounds[1]=t.bounds[3]=t.bounds[5]=-Number.MAX_VALUE,t.bounds=t.bounds.map(((e,t)=>t%2==0?r.reduce(((e,n)=>e>n[t/2]?n[t/2]:e),e):r.reduce(((e,n)=>e{let e=n.getMTime();if(null!==t.property){const n=t.property.getMTime();e=n>e?n:e}if(null!==t.backfaceProperty){const n=t.backfaceProperty.getMTime();e=n>e?n:e}return e},e.getRedrawMTime=()=>{let e=t.mtime;if(null!==t.mapper){let n=t.mapper.getMTime();e=n>e?n:e,null!==t.mapper.getInput()&&(t.mapper.getInputAlgorithm().update(),n=t.mapper.getInput().getMTime(),e=n>e?n:e)}return e},e.getSupportsSelection=()=>!!t.mapper&&t.mapper.getSupportsSelection(),e.processSelectorPixelBuffers=(e,n)=>{t.mapper&&t.mapper.processSelectorPixelBuffers&&t.mapper.processSelectorPixelBuffers(e,n)}}const Ss={mapper:null,property:null,backfaceProperty:null,forceOpaque:!1,forceTranslucent:!1,bounds:[1,-1,1,-1,1,-1]};function As(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ss,n),us.extend(e,t,n),t.boundsMTime={},jt.obj(t.boundsMTime),jt.set(e,t,["property"]),jt.setGet(e,t,["backfaceProperty","forceOpaque","forceTranslucent","mapper"]),Cs(e,t)}var Ps={newInstance:jt.newInstance(As,"vtkActor"),extend:As};const Is={Int8Array:1,Uint8Array:1,Uint8ClampedArray:1,Int16Array:2,Uint16Array:2,Int32Array:4,Uint32Array:4,Float32Array:4,Float64Array:8},ws={VOID:"",CHAR:"Int8Array",SIGNED_CHAR:"Int8Array",UNSIGNED_CHAR:"Uint8Array",SHORT:"Int16Array",UNSIGNED_SHORT:"Uint16Array",INT:"Int32Array",UNSIGNED_INT:"Uint32Array",FLOAT:"Float32Array",DOUBLE:"Float64Array"};var Os={DefaultDataType:ws.FLOAT,DataTypeByteSize:Is,VtkDataTypes:ws};const{vtkErrorMacro:Ms}=Kt,{DefaultDataType:Rs}=Os,Vs=1e-6;function Es(e,t,n){const r=e.length;let o,a,i=Number.MAX_VALUE,s=-Number.MAX_VALUE;for(a=t;as&&(s=o);return{min:i,max:s}}function Ds(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:1;if(t<0&&n>1){const t=e.length/n,r=new Float64Array(t);for(let o=0,a=0;o1&&void 0!==arguments[1]?arguments[1]:0;const n=e||[];for(;n.length<=t;)n.push(null);return n}function Bs(e){return Object.prototype.toString.call(e).slice(8,-1)}const Ns={computeRange:Ds,createRangeHelper:function(){let e=Number.MAX_VALUE,t=-Number.MAX_VALUE,n=0,r=0;return{add(o){e>o&&(e=o),t({min:e,max:t,count:n,sum:r,mean:r/n}),getRange:()=>({min:e,max:t})}},fastComputeRange:Es,getDataType:Bs,getMaxNorm:function(e){const t=e.getNumberOfComponents();let n=0;const r=new Array(t);for(let o=0;on&&(n=a)}return n}};function ks(e,t){function n(n){if(n<0)return!1;const r=e.getNumberOfComponents(),o=t.values.length/(r>0?r:1);if(n===o)return!0;if(n>o){const e=t.values;return t.values=at(t.dataType,(n+o)*r),t.values.set(e),!0}return t.size>n*r&&(t.size=n*r,e.dataChange()),!0}t.classHierarchy.push("vtkDataArray"),e.dataChange=()=>{t.ranges=null,e.modified()},e.resize=r=>{n(r);const o=r*e.getNumberOfComponents();return t.size!==o&&(t.size=o,e.dataChange(),!0)},e.initialize=()=>{e.resize(0)},e.getElementComponentSize=()=>t.values.BYTES_PER_ELEMENT,e.getComponent=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;return t.values[e*t.numberOfComponents+n]},e.setComponent=(n,r,o)=>{o!==t.values[n*t.numberOfComponents+r]&&(t.values[n*t.numberOfComponents+r]=o,e.dataChange())},e.getValue=n=>{const r=n/t.numberOfComponents,o=n%t.numberOfComponents;return e.getComponent(r,o)},e.setValue=(n,r)=>{const o=n/t.numberOfComponents,a=n%t.numberOfComponents;e.setComponent(o,a,r)},e.getData=()=>t.size===t.values.length?t.values:t.values.subarray(0,t.size),e.getRange=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:-1,r=n;r<0&&(r=1===t.numberOfComponents?0:t.numberOfComponents);let o=null;return t.ranges||(t.ranges=Ls(t.ranges,t.numberOfComponents)),o=t.ranges[r],o?(t.rangeTuple[0]=o.min,t.rangeTuple[1]=o.max,t.rangeTuple):(o=Ds(e.getData(),n,t.numberOfComponents),t.ranges[r]=o,t.rangeTuple[0]=o.min,t.rangeTuple[1]=o.max,t.rangeTuple)},e.setRange=(e,n)=>{t.ranges||(t.ranges=Ls(t.ranges,t.numberOfComponents));const r={min:e.min,max:e.max};return t.ranges[n]=r,t.rangeTuple[0]=r.min,t.rangeTuple[1]=r.max,t.rangeTuple},e.setTuple=(e,n)=>{const r=e*t.numberOfComponents;for(let e=0;e{let r=e*t.numberOfComponents;const o=Math.min(n.length,t.size-r);for(let e=0;e(t.size<=r*t.numberOfComponents&&(t.size=(r+1)*t.numberOfComponents,n(r+1)),e.setTuple(r,o),r),e.insertTuples=(r,o)=>{const a=r+o.length/t.numberOfComponents;return t.size{const r=t.size/t.numberOfComponents;return e.insertTuple(r,n)},e.insertNextTuples=n=>{const r=t.size/t.numberOfComponents;return e.insertTuples(r,n)},e.findTuple=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:Vs;for(let r=0;rn){o=!1;break}if(o)return r/t.numberOfComponents}return-1},e.getTuple=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];const r=t.numberOfComponents||1,o=e*r;switch(r){case 4:n[3]=t.values[o+3];case 3:n[2]=t.values[o+2];case 2:n[1]=t.values[o+1];case 1:n[0]=t.values[o];break;default:for(let e=r-1;e>=0;--e)n[e]=t.values[o+e]}return n},e.getTuples=(n,r)=>{const o=(n??0)*t.numberOfComponents,a=(r??e.getNumberOfTuples())*t.numberOfComponents,i=e.getData().subarray(o,a);return i.length>0?i:null},e.getTupleLocation=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:1;return e*t.numberOfComponents},e.getNumberOfComponents=()=>t.numberOfComponents,e.getNumberOfValues=()=>t.size,e.getNumberOfTuples=()=>t.size/t.numberOfComponents,e.getDataType=()=>t.dataType,e.newClone=()=>Gs({empty:!0,name:t.name,dataType:t.dataType,numberOfComponents:t.numberOfComponents}),e.getName=()=>(t.name||(e.modified(),t.name=`vtkDataArray${e.getMTime()}`),t.name),e.setData=(n,r)=>{t.values=n,t.size=n.length,t.dataType=Bs(n),r&&(t.numberOfComponents=r),t.size%t.numberOfComponents!=0&&(t.numberOfComponents=1),e.dataChange()},e.getState=()=>{if(t.deleted)return null;const n={...t,vtkClass:e.getClassName()};n.values=Array.from(n.values),delete n.buffer,Object.keys(n).forEach((e=>{n[e]||delete n[e]}));const r={};return Object.keys(n).sort().forEach((e=>{r[e]=n[e]})),r.mtime&&delete r.mtime,r},e.deepCopy=n=>{const r=e.getDataType(),o=t.values;e.shallowCopy(n),o?.length>=n.getNumberOfValues()&&r===n.getDataType()?(o.set(n.getData()),t.values=o,e.dataChange()):e.setData(n.getData().slice())},e.interpolateTuple=(n,r,o,a,i,s)=>{const l=t.numberOfComponents||1;l===r.getNumberOfComponents()&&l===a.getNumberOfComponents()||Ms("numberOfComponents must match");const c=r.getTuple(o),u=a.getTuple(i),d=[];switch(d.length=l,l){case 4:d[3]=c[3]+(u[3]-c[3])*s;case 3:d[2]=c[2]+(u[2]-c[2])*s;case 2:d[1]=c[1]+(u[1]-c[1])*s;case 1:d[0]=c[0]+(u[0]-c[0])*s;break;default:for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};if(Object.assign(t,Fs,n),!t.empty&&!t.values&&!t.size)throw new TypeError("Cannot create vtkDataArray object without: size > 0, values");if(t.values?Array.isArray(t.values)&&(t.values=it(t.dataType,t.values)):t.values=at(t.dataType,t.size),t.values&&(t.size=t.size??t.values.length,t.dataType=Bs(t.values)),yt(e,t),St(e,t,["name","numberOfComponents"]),t.size%t.numberOfComponents!=0)throw new RangeError("model.size is not a multiple of model.numberOfComponents");ks(e,t)}const Gs=Et(_s,"vtkDataArray");var Us={newInstance:Gs,extend:_s,...Ns,...Os};function Ws(e,t){t.classHierarchy.push("vtkAbstractMapper"),e.update=()=>{e.getInputData()},e.addClippingPlane=n=>!!n.isA("vtkPlane")&&!t.clippingPlanes.includes(n)&&(t.clippingPlanes.push(n),e.modified(),!0),e.getNumberOfClippingPlanes=()=>t.clippingPlanes.length,e.removeAllClippingPlanes=()=>0!==t.clippingPlanes.length&&(t.clippingPlanes.length=0,e.modified(),!0),e.removeClippingPlane=n=>{const r=t.clippingPlanes.indexOf(n);return-1!==r&&(t.clippingPlanes.splice(r,1),e.modified(),!0)},e.getClippingPlanes=()=>t.clippingPlanes,e.setClippingPlanes=t=>{if(t)if(Array.isArray(t)){const n=t.length;for(let r=0;r{const o=t.clippingPlanes,a=e;if(o){const e=o.length;if(n>=0&&n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,zs,n),jt.obj(e,t),jt.algo(e,t,1,0),t.clippingPlanes||(t.clippingPlanes=[]),Ws(e,t)};function js(e,t){e.getBounds=()=>(jt.vtkErrorMacro("vtkAbstractMapper3D.getBounds - NOT IMPLEMENTED"),_a()),e.getCenter=()=>{const n=e.getBounds();return t.center=Ui.isValid(n)?Ui.getCenter(n):null,t.center?.slice()},e.getLength=()=>{const t=e.getBounds();return Ui.getDiagonalLength(t)}}const Ks=e=>({bounds:[...Ui.INIT_BOUNDS],center:[0,0,0],viewSpecificProperties:{},...e});var $s=function(e,t){let n=arguments.length>2&&void 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e.removeArrayByIndex(r)},e.removeArrayByIndex=e=>-1!==e&&et.arrays.map((e=>e.data)),e.getArray=t=>"number"==typeof t?e.getArrayByIndex(t):e.getArrayByName(t),e.getArrayByName=e=>t.arrays.reduce(((t,n,r)=>n.data.getName()===e?n.data:t),null),e.getArrayWithIndex=e=>{const n=t.arrays.findIndex((t=>t.data.getName()===e));return{array:-1!==n?t.arrays[n].data:null,index:n}},e.getArrayByIndex=e=>e>=0&&ee.getArrayWithIndex(t).index>=0,e.getArrayName=e=>{const n=t.arrays[e];return n?n.data.getName():""},e.getCopyFieldFlags=()=>t.copyFieldFlags,e.getFlag=e=>t.copyFieldFlags[e],e.passData=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:-1,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:-1;n.getArrays().forEach((a=>{const i=e.getFlag(a.getName());if(!1!==i&&(!t.doCopyAllOff||!0===i)&&a){let t=e.getArrayByName(a.getName());if(t)if(a.getNumberOfComponents()===t.getNumberOfComponents())if(r>-1&&r-1?o:r;t.insertTuple(e,a.getTuple(r))}else 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e.getColor(parseFloat(n),r),r[3]=1},e.checkForAnnotatedValue=t=>e.getAnnotatedValueIndexInternal(t),e.getAnnotatedValueIndexInternal=e=>{if(void 0!==t.annotatedValueMap[e]){const n=t.annotationArray.length;return t.annotatedValueMap[e]%n}return-1},e.getIndexedColor=(e,t)=>{t[0]=0,t[1]=0,t[2]=0,t[3]=0},e.updateAnnotatedValueMap=()=>{t.annotatedValueMap=[];const e=t.annotationArray.length;for(let n=0;n{const o=t.getNumberOfComponents();let a=null;if(n===Vl.DEFAULT&&t.getDataType()===Rl.UNSIGNED_CHAR||n===Vl.DIRECT_SCALARS&&t)a=e.convertToRGBA(t,o,t.getNumberOfTuples());else{const n={type:"vtkDataArray",name:"temp",numberOfComponents:4,dataType:Rl.UNSIGNED_CHAR},i=jt.newTypedArray(n.dataType,4*t.getNumberOfTuples());n.values=i,n.size=i.length,a=Us.newInstance(n);let s=r;s<0&&o>1?e.mapVectorsThroughTable(t,a,Ol.RGBA,-1,-1):(s<0&&(s=0),s>=o&&(s=o-1),e.mapScalarsThroughTable(t,a,Ol.RGBA,s))}return a},e.mapVectorsToMagnitude=(e,t,n)=>{const r=e.getNumberOfTuples(),o=e.getNumberOfComponents(),a=t.getData(),i=e.getData();for(let e=0;e{let i=e.getVectorMode(),s=a,l=o;const c=t.getNumberOfComponents();i===Ml.COMPONENT?(-1===l&&(l=e.getVectorComponent()),l<0&&(l=0),l>=c&&(l=c-1)):(-1===s&&(s=e.getVectorSize()),s<=0?(l=0,s=c):(l<0&&(l=0),l>=c&&(l=c-1),l+s>c&&(s=c-l)),i!==Ml.MAGNITUDE||1!==c&&1!==s||(i=Ml.COMPONENT));let u=0;switch(l>0&&(u=l),i){case Ml.COMPONENT:e.mapScalarsThroughTable(t,n,r,u);break;case Ml.RGBCOLORS:break;case Ml.MAGNITUDE:default:{const o=Us.newInstance({numberOfComponents:1,values:new Float32Array(t.getNumberOfTuples())});e.mapVectorsToMagnitude(t,o,s),e.mapScalarsThroughTable(o,n,r,0);break}}},e.luminanceToRGBA=(e,t,n,r)=>{const o=r(n),a=t.getData(),i=e.getData(),s=a.length;let l=0;for(let e=0;e{const o=t.getData(),a=e.getData(),i=o.length;let s=0;for(let e=0;e{const o=Ll(n),a=t.getData(),i=e.getData(),s=a.length;let l=0;for(let e=0;e{const o=t.getData(),a=e.getData(),i=o.length;let s=0;for(let e=0;e{let{alpha:a}=t;if(4===r&&a>=1&&n.getDataType()===Rl.UNSIGNED_CHAR)return n;const i=Us.newInstance({numberOfComponents:4,empty:!0,size:4*o,dataType:Rl.UNSIGNED_CHAR});if(o<=0)return i;a=a>0?a:0,a=a<1?a:1;let s=Dl;switch(n.getDataType()!==Rl.FLOAT&&n.getDataType()!==Rl.DOUBLE||(s=Ll),r){case 1:e.luminanceToRGBA(i,n,a,s);break;case 2:e.luminanceAlphaToRGBA(i,n,s);break;case 3:e.rGBToRGBA(i,n,a,s);break;case 4:e.rGBAToRGBA(i,n,a,s);break;default:return El("Cannot convert colors"),null}return i},e.usingLogScale=()=>!1,e.getNumberOfAvailableColors=()=>16777216,e.setRange=(t,n)=>e.setMappingRange(t,n),e.getRange=()=>e.getMappingRange(),e.areScalarsOpaque=(n,r,o)=>{if(!n)return e.isOpaque();const a=n.getNumberOfComponents();return(r!==Vl.DEFAULT||n.getDataType()!==Rl.UNSIGNED_CHAR)&&r!==Vl.DIRECT_SCALARS||(3===a||1===a?t.alpha>=1:255===n.getRange(a-1)[0])}}const Nl={alpha:1,vectorComponent:0,vectorSize:-1,vectorMode:Ml.COMPONENT,mappingRange:null,annotationArray:null,annotatedValueMap:null,indexedLookup:!1};function kl(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Nl,n),jt.obj(e,t),t.mappingRange=[0,255],t.annotationArray=[],t.annotatedValueMap=[],jt.setGet(e,t,["vectorSize","vectorComponent","vectorMode","alpha","indexedLookup"]),jt.setArray(e,t,["mappingRange"],2),jt.getArray(e,t,["mappingRange"]),Bl(e,t)}var Fl={newInstance:jt.newInstance(kl,"vtkScalarsToColors"),extend:kl,...Pl};const{vtkErrorMacro:_l}=jt;function Gl(e,t){t.classHierarchy.push("vtkLookupTable"),e.isOpaque=()=>{if(t.opaqueFlagBuildTime.getMTime()!1,e.getNumberOfAvailableColors=()=>t.table.length/4,e.linearIndexLookup=(e,t)=>{let n=0;const r=Number(e);return rt.range[1]?n=t.maxIndex+1+1.5:(n=(r+t.shift)*t.scale,n=n{let o=0;o=Fa(t)?Math.floor(r.maxIndex+1.5+2):e.linearIndexLookup(t,r);const a=4*o;return n.slice(a,a+4)},e.indexedLookupFunction=(n,r,o)=>{let a=e.getAnnotatedValueIndexInternal(n);-1===a&&(a=t.numberOfColors+2);const i=4*a;return[r[i],r[i+1],r[i+2],r[i+3]]},e.lookupShiftAndScale=(e,t)=>{t.shift=-e[0],t.scale=Number.MAX_VALUE,e[1]>e[0]&&(t.scale=(t.maxIndex+1)/(e[1]-e[0]))},e.mapScalarsThroughTable=(n,r,o,a)=>{let i=e.linearLookup;t.indexedLookup&&(i=e.indexedLookupFunction);const s=e.getMappingRange(),l={maxIndex:e.getNumberOfColors()-1,range:s,shift:0,scale:0};e.lookupShiftAndScale(s,l);const c=e.getAlpha(),u=n.getNumberOfTuples(),d=n.getNumberOfComponents(),p=r.getData(),f=n.getData();if(c>=1){if(o===Al.RGBA)for(let e=0;e{let n=0,r=0,o=0,a=0;const i=t.numberOfColors-1;i&&(n=(t.hueRange[1]-t.hueRange[0])/i,r=(t.saturationRange[1]-t.saturationRange[0])/i,o=(t.valueRange[1]-t.valueRange[0])/i,a=(t.alphaRange[1]-t.alphaRange[0])/i),t.table.length=4*i+16;const s=[],l=[];for(let e=0;e<=i;e++)s[0]=t.hueRange[0]+e*n,s[1]=t.saturationRange[0]+e*r,s[2]=t.valueRange[0]+e*o,Pa(s,l),l[3]=t.alphaRange[0]+e*a,t.table[4*e]=255*l[0]+.5,t.table[4*e+1]=255*l[1]+.5,t.table[4*e+2]=255*l[2]+.5,t.table[4*e+3]=255*l[3]+.5;e.buildSpecialColors(),t.buildTime.modified()},e.setTable=n=>{if(Array.isArray(n)){const r=n[0].length;t.numberOfColors=n.length;const o=4-r;let a=0;for(let e=0;e{const{numberOfColors:e}=t,n=t.table;let r=4*(e+0);t.useBelowRangeColor||0===e?(n[r]=255*t.belowRangeColor[0]+.5,n[r+1]=255*t.belowRangeColor[1]+.5,n[r+2]=255*t.belowRangeColor[2]+.5,n[r+3]=255*t.belowRangeColor[3]+.5):(n[r]=n[0],n[r+1]=n[1],n[r+2]=n[2],n[r+3]=n[3]),r=4*(e+1),t.useAboveRangeColor||0===e?(n[r]=255*t.aboveRangeColor[0]+.5,n[r+1]=255*t.aboveRangeColor[1]+.5,n[r+2]=255*t.aboveRangeColor[2]+.5,n[r+3]=255*t.aboveRangeColor[3]+.5):(n[r]=n[4*(e-1)+0],n[r+1]=n[4*(e-1)+1],n[r+2]=n[4*(e-1)+2],n[r+3]=n[4*(e-1)+3]),r=4*(e+2),n[r]=255*t.nanColor[0]+.5,n[r+1]=255*t.nanColor[1]+.5,n[r+2]=255*t.nanColor[2]+.5,n[r+3]=255*t.nanColor[3]+.5},e.build=()=>{(t.table.length<1||e.getMTime()>t.buildTime.getMTime()&&t.insertTime.getMTime()<=t.buildTime.getMTime())&&e.forceBuild()},t.table.length>0&&(e.buildSpecialColors(),t.insertTime.modified())}const Ul={numberOfColors:256,hueRange:[0,.66667],saturationRange:[1,1],valueRange:[1,1],alphaRange:[1,1],nanColor:[.5,0,0,1],belowRangeColor:[0,0,0,1],aboveRangeColor:[1,1,1,1],useAboveRangeColor:!1,useBelowRangeColor:!1,alpha:1};function Wl(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ul,n),Fl.extend(e,t,n),t.table||(t.table=[]),t.buildTime={},jt.obj(t.buildTime),t.opaqueFlagBuildTime={},jt.obj(t.opaqueFlagBuildTime,{mtime:0}),t.insertTime={},jt.obj(t.insertTime,{mtime:0}),jt.get(e,t,["buildTime"]),jt.setGet(e,t,["numberOfColors","useAboveRangeColor","useBelowRangeColor"]),jt.setArray(e,t,["alphaRange","hueRange","saturationRange","valueRange"],2),jt.setArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"],4),jt.getArray(e,t,["hueRange","saturationRange","valueRange","alphaRange","nanColor","belowRangeColor","aboveRangeColor"]),Gl(e,t)}var zl={newInstance:jt.newInstance(Wl,"vtkLookupTable"),extend:Wl};let Hl=1,jl=0;const Kl=["VTK_RESOLVE_OFF","VTK_RESOLVE_POLYGON_OFFSET"];function $l(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;jl=e}var ql={getResolveCoincidentTopologyAsString:function(){return Kl[jl]},getResolveCoincidentTopologyPolygonOffsetFaces:function(){return Hl},getResolveCoincidentTopology:function(){return jl},setResolveCoincidentTopology:$l,setResolveCoincidentTopologyPolygonOffsetFaces:function(e){Hl=e},setResolveCoincidentTopologyToDefault:function(){$l(0)},setResolveCoincidentTopologyToOff:function(){$l(0)},setResolveCoincidentTopologyToPolygonOffset:function(){$l(1)}};function Xl(e,t,n){n.forEach((n=>{e[`get${n.method}`]=()=>t[n.key],e[`set${n.method}`]=(e,r)=>{t[n.key]={factor:e,offset:r}}}))}const Yl=["Polygon","Line","Point"],Zl={};Xl(Zl,{Polygon:{factor:2,offset:0},Line:{factor:1,offset:-1},Point:{factor:0,offset:-2}},Yl.map((e=>({key:e,method:`ResolveCoincidentTopology${e}OffsetParameters`}))));var Ql={implementCoincidentTopologyMethods:function(e,t){void 0===t.resolveCoincidentTopology&&(t.resolveCoincidentTopology=!1),jt.setGet(e,t,["resolveCoincidentTopology"]),t.topologyOffset={Polygon:{factor:0,offset:0},Line:{factor:0,offset:0},Point:{factor:0,offset:0}},Object.keys(ql).forEach((t=>{e[t]=ql[t]})),Object.keys(Zl).forEach((t=>{e[t]=Zl[t]})),Xl(e,t.topologyOffset,Yl.map((e=>({key:e,method:`RelativeCoincidentTopology${e}OffsetParameters`})))),e.getCoincidentTopologyPolygonOffsetParameters=()=>{const t=Zl.getResolveCoincidentTopologyPolygonOffsetParameters(),n=e.getRelativeCoincidentTopologyPolygonOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyLineOffsetParameters=()=>{const t=Zl.getResolveCoincidentTopologyLineOffsetParameters(),n=e.getRelativeCoincidentTopologyLineOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyPointOffsetParameter=()=>{const t=Zl.getResolveCoincidentTopologyPointOffsetParameters(),n=e.getRelativeCoincidentTopologyPointOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}}},staticOffsetAPI:Zl,otherStaticMethods:ql,CATEGORIES:Yl};const Jl={MIN_KNOWN_PASS:0,ACTOR_PASS:0,COMPOSITE_INDEX_PASS:1,ID_LOW24:2,ID_HIGH24:3,MAX_KNOWN_PASS:3};var ec={PassTypes:Jl};const{FieldAssociations:tc}=gl,{staticOffsetAPI:nc,otherStaticMethods:rc}=Ql,{ColorMode:oc,ScalarMode:ac,GetArray:ic}=wl,{VectorMode:sc}=Pl,{VtkDataTypes:lc}=Us;function cc(e){return()=>jt.vtkErrorMacro(`vtkMapper::${e} - NOT IMPLEMENTED`)}function uc(e,t){t.classHierarchy.push("vtkMapper"),e.getBounds=()=>{const n=e.getInputData();return n?(t.static||e.update(),t.bounds=n.getBounds()):t.bounds=_a(),t.bounds},e.setForceCompileOnly=e=>{t.forceCompileOnly=e},e.setSelectionWebGLIdsToVTKIds=e=>{t.selectionWebGLIdsToVTKIds=e},e.createDefaultLookupTable=()=>{t.lookupTable=zl.newInstance()},e.getColorModeAsString=()=>jt.enumToString(oc,t.colorMode),e.setColorModeToDefault=()=>e.setColorMode(0),e.setColorModeToMapScalars=()=>e.setColorMode(1),e.setColorModeToDirectScalars=()=>e.setColorMode(2),e.getScalarModeAsString=()=>jt.enumToString(ac,t.scalarMode),e.setScalarModeToDefault=()=>e.setScalarMode(0),e.setScalarModeToUsePointData=()=>e.setScalarMode(1),e.setScalarModeToUseCellData=()=>e.setScalarMode(2),e.setScalarModeToUsePointFieldData=()=>e.setScalarMode(3),e.setScalarModeToUseCellFieldData=()=>e.setScalarMode(4),e.setScalarModeToUseFieldData=()=>e.setScalarMode(5),e.getAbstractScalars=(e,n,r,o,a)=>{if(!e||!t.scalarVisibility)return{scalars:null,cellFLag:!1};let i=null,s=!1;if(n===ac.DEFAULT)i=e.getPointData().getScalars(),i||(i=e.getCellData().getScalars(),s=!0);else if(n===ac.USE_POINT_DATA)i=e.getPointData().getScalars();else if(n===ac.USE_CELL_DATA)i=e.getCellData().getScalars(),s=!0;else if(n===ac.USE_POINT_FIELD_DATA){const t=e.getPointData();i=r===ic.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}else if(n===ac.USE_CELL_FIELD_DATA){const t=e.getCellData();s=!0,i=r===ic.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}else if(n===ac.USE_FIELD_DATA){const t=e.getFieldData();i=r===ic.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}return{scalars:i,cellFlag:s}},e.mapScalars=(n,r)=>{const o=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!o)return t.colorCoordinates=null,t.colorTextureMap=null,void(t.colorMapColors=null);const a=`${e.getMTime()}${o.getMTime()}${r}`;if(t.colorBuildString!==a){if(t.useLookupTableScalarRange||e.getLookupTable().setRange(t.scalarRange[0],t.scalarRange[1]),e.canUseTextureMapForColoring(n))e.mapScalarsToTexture(o,r);else{t.colorCoordinates=null,t.colorTextureMap=null;const n=e.getLookupTable();n&&(n.build(),t.colorMapColors=n.mapScalars(o,t.colorMode,t.fieldDataTupleId))}t.colorBuildString=`${e.getMTime()}${o.getMTime()}${r}`}},e.scalarToTextureCoordinate=(e,t,n)=>{let r=.5,o=1;return Fa(e)||(o=.49,r=(e-t)*n,r>1e3?r=1e3:r<-1e3&&(r=-1e3)),{texCoordS:r,texCoordT:o}},e.createColorTextureCoordinates=(t,n,r,o,a,i,s,l,c)=>{const u=(i[1]-i[0])/l,d=[];d[0]=i[0]-u,d[1]=i[1]+u;const p=1/(d[1]-d[0]),f=n.getData(),g=t.getData();let m=0,h=0;if(a<0||a>=o)for(let t=0;t{const o=t.lookupTable.getRange(),a=t.lookupTable.usingLogScale();a&&zl.getLogRange(o,o);const i=t.lookupTable.getAlpha();if(t.colorMapColors=null,null==t.colorTextureMap||e.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getAlpha()!==r){t.lookupTable.setAlpha(r),t.colorTextureMap=null,t.lookupTable.build();let e=t.lookupTable.getNumberOfAvailableColors();e>4094&&(e=4094),e<64&&(e=64),e+=2;const n=(o[1]-o[0])/(e-2),s=new Float64Array(2*e);for(let t=0;tt.colorCoordinates.getMTime()||e.getInputData(0).getMTime()>t.colorCoordinates.getMTime()||t.lookupTable.getMTime()>t.colorCoordinates.getMTime()){t.colorCoordinates=null;const r=n.getNumberOfComponents(),i=n.getNumberOfTuples();t.colorCoordinates=Us.newInstance({numberOfComponents:2,values:new Float32Array(2*i)});let s=t.lookupTable.getVectorComponent();t.lookupTable.getVectorMode()===sc.MAGNITUDE&&n.getNumberOfComponents()>1&&(s=-1),e.createColorTextureCoordinates(n,t.colorCoordinates,i,r,s,o,t.lookupTable.getRange(),t.colorTextureMap.getPointData().getScalars().getNumberOfTuples()/2-2,a)}},e.getIsOpaque=()=>{const n=e.getInputData(),r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!t.scalarVisibility||null==r)return!0;const o=e.getLookupTable();return!o||(o.build(),o.areScalarsOpaque(r,t.colorMode,-1))},e.canUseTextureMapForColoring=n=>{if(!t.interpolateScalarsBeforeMapping)return!1;if(t.lookupTable&&t.lookupTable.getIndexedLookup())return!1;const r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName),o=r.scalars;return!(!o||r.cellFlag||t.colorMode===oc.DEFAULT&&o.getDataType()===lc.UNSIGNED_CHAR||t.colorMode===oc.DIRECT_SCALARS)},e.clearColorArrays=()=>{t.colorMapColors=null,t.colorCoordinates=null,t.colorTextureMap=null},e.getLookupTable=()=>(t.lookupTable||e.createDefaultLookupTable(),t.lookupTable),e.getMTime=()=>{let e=t.mtime;if(null!==t.lookupTable){const n=t.lookupTable.getMTime();e=n>e?n:e}return e},e.getPrimitiveCount=()=>{const t=e.getInputData();return{points:t.getPoints().getNumberOfValues()/3,verts:t.getVerts().getNumberOfValues()-t.getVerts().getNumberOfCells(),lines:t.getLines().getNumberOfValues()-2*t.getLines().getNumberOfCells(),triangles:t.getPolys().getNumberOfValues()-3*t.getPolys().getNumberOfCells()}},e.acquireInvertibleLookupTable=cc("AcquireInvertibleLookupTable"),e.valueToColor=cc("ValueToColor"),e.colorToValue=cc("ColorToValue"),e.useInvertibleColorFor=cc("UseInvertibleColorFor"),e.clearInvertibleColor=cc("ClearInvertibleColor"),e.processSelectorPixelBuffers=(e,n)=>{if(!e||!t.selectionWebGLIdsToVTKIds||!t.populateSelectionSettings)return;const r=e.getRawPixelBuffer(Jl.ID_LOW24),o=e.getRawPixelBuffer(Jl.ID_HIGH24),a=e.getCurrentPass(),i=e.getFieldAssociation();let s=null;i===tc.FIELD_ASSOCIATION_POINTS?s=t.selectionWebGLIdsToVTKIds.points:i===tc.FIELD_ASSOCIATION_CELLS&&(s=t.selectionWebGLIdsToVTKIds.cells),s&&n.forEach((t=>{if(a===Jl.ID_LOW24){let n=0;o&&(n+=o[t],n*=256),n+=r[t+2],n*=256,n+=r[t+1],n*=256,n+=r[t];const a=s[n],i=e.getPixelBuffer(Jl.ID_LOW24);i[t]=255&a,i[t+1]=(65280&a)>>8,i[t+2]=(16711680&a)>>16}else if(a===Jl.ID_HIGH24&&o){let n=0;n+=o[t],n*=256,n+=r[t],n*=256,n+=r[t+1],n*=256,n+=r[t+2];const a=s[n];e.getPixelBuffer(Jl.ID_HIGH24)[t]=(4278190080&a)>>24}}))}}const dc={colorMapColors:null,static:!1,lookupTable:null,scalarVisibility:!0,scalarRange:[0,1],useLookupTableScalarRange:!1,colorMode:0,scalarMode:0,arrayAccessMode:1,renderTime:0,colorByArrayName:null,fieldDataTupleId:-1,populateSelectionSettings:!0,selectionWebGLIdsToVTKIds:null,interpolateScalarsBeforeMapping:!1,colorCoordinates:null,colorTextureMap:null,forceCompileOnly:0,useInvertibleColors:!1,invertibleScalars:null,customShaderAttributes:[]};function pc(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,dc,n),$s(e,t,n),jt.get(e,t,["colorCoordinates","colorMapColors","colorTextureMap","selectionWebGLIdsToVTKIds"]),jt.setGet(e,t,["colorByArrayName","arrayAccessMode","colorMode","fieldDataTupleId","interpolateScalarsBeforeMapping","lookupTable","populateSelectionSettings","renderTime","scalarMode","scalarVisibility","static","useLookupTableScalarRange","customShaderAttributes"]),jt.setGetArray(e,t,["scalarRange"],2),Ql.implementCoincidentTopologyMethods(e,t),uc(e,t)}var fc={newInstance:jt.newInstance(pc,"vtkMapper"),extend:pc,...nc,...rc,...wl};function gc(e){let t=0;return e.filter(((e,n)=>n===t&&(t+=e+1,!0)))}function mc(e){let t=0;for(let n=0;nvoid 0===t.numberOfCells||n?(t.cellSizes?t.numberOfCells=t.cellSizes.length:t.numberOfCells=mc(e.getData()),t.numberOfCells):t.numberOfCells,e.getCellSizes=n=>void 0===t.cellSizes||n?(t.cellSizes=gc(e.getData()),t.cellSizes):t.cellSizes,e.resize=r=>{const o=e.getNumberOfTuples();n.resize(r);const a=e.getNumberOfTuples();a{n.setData(e,1),t.numberOfCells=void 0,t.cellSizes=void 0},e.getCell=e=>{let n=e;const r=t.values[n++];return t.values.subarray(n,n+r)},e.insertNextCell=n=>{const r=e.getNumberOfCells();return e.insertNextTuples([n.length,...n]),++t.numberOfCells,null!=t.cellSizes&&t.cellSizes.push(n.length),r}}function yc(e){return{empty:!0,numberOfComponents:1,dataType:ws.UNSIGNED_INT,...e}}function bc(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Us.extend(e,t,yc(n)),vc(e,t)}var xc={newInstance:jt.newInstance(bc,"vtkCellArray"),extend:bc,...hc};const{vtkErrorMacro:Tc}=jt,Cc=[1,-1,1,-1,1,-1];function Sc(e,t){t.classHierarchy.push("vtkPoints"),e.getNumberOfPoints=e.getNumberOfTuples,e.setNumberOfPoints=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:3;e.getNumberOfPoints()!==n&&(t.size=n*r,t.values=jt.newTypedArray(t.dataType,t.size),e.setNumberOfComponents(r),e.modified())},e.setPoint=function(t){for(var n=arguments.length,r=new 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fu(e,t,n,r){pu(e,t,n,r);const o=Math.sqrt(r[0]*r[0]+r[1]*r[1]+r[2]*r[2]);0!==o&&(r[0]/=o,r[1]/=o,r[2]/=o)}const gu={computeNormalDirection:pu,computeNormal:fu,intersectWithTriangle:function(e,t,n,r,o,a){let i=arguments.length>6&&void 0!==arguments[6]?arguments[6]:1e-6,s=!1;const l=[],c=[],u=[],d=[],p=[];fu(e,t,n,d),fu(r,o,a,p);const f=-Xo(d,e),g=-Xo(p,r),m=[Xo(p,e)+g,Xo(p,t)+g,Xo(p,n)+g];if(m[0]*m[1]>i&&m[0]*m[2]>i)return{intersect:!1,coplanar:s,pt1:l,pt2:c,surfaceId:u};const h=[Xo(d,r)+f,Xo(d,o)+f,Xo(d,a)+f];if(h[0]*h[1]>i&&h[0]*h[2]>i)return{intersect:!1,coplanar:s,pt1:l,pt2:c,surfaceId:u};if(Math.abs(d[0]-p[0])<1e-9&&Math.abs(d[1]-p[1])<1e-9&&Math.abs(d[2]-p[2])<1e-9&&Math.abs(f-g)<1e-9)return s=!0,{intersect:!1,coplanar:s,pt1:l,pt2:c,surfaceId:u};const v=[e,t,n],y=[r,o,a],b=Xo(d,p),x=(f-g*b)/(b*b-1),T=(g-f*b)/(b*b-1),C=[x*d[0]+T*p[0],x*d[1]+T*p[1],x*d[2]+T*p[2]],S=Yo(d,p,[]);Qo(S);let A=0,P=0;const I=[],w=[];let O,M,R=50,V=50;for(let t=0;t<3;t++){const 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t=ri.intersectWithLine(n,r,u,f);if(s.betweenPoints=t.betweenPoints,s.t=t.t,a[0]=t.x[0],a[1]=t.x[1],a[2]=t.x[2],!t.intersection)return i[0]=0,i[1]=0,s.intersect=0,s;const o=e.evaluatePosition(a,l,i,g);if(o.evaluation>=0)return o.dist2<=c?(s.intersect=1,s):(s.intersect=o.evaluation,s)}const m=ea(u,d),h=ea(d,p),v=ea(p,u);t.line||(t.line=su.newInstance()),m>h&&m>v?(t.line.getPoints().setPoint(0,u),t.line.getPoints().setPoint(1,d)):h>v&&h>m?(t.line.getPoints().setPoint(0,d),t.line.getPoints().setPoint(1,p)):(t.line.getPoints().setPoint(0,p),t.line.getPoints().setPoint(1,u));const y=t.line.intersectWithLine(n,r,o,a,i);if(s.betweenPoints=y.betweenPoints,s.t=y.t,y.intersect){const e=[],t=[],n=[];for(let r=0;r<3;r++)e[r]=u[r]-p[r],t[r]=d[r]-p[r],n[r]=a[r]-p[r];return i[0]=Xo(n,e)/v,i[1]=Xo(n,t)/h,s.intersect=1,s}return i[0]=0,i[1]=0,s.intersect=0,s},e.evaluatePosition=(e,n,r,o)=>{const a={subId:0,dist2:0,evaluation:-1};let i,s;const l=[],c=[],u=[],d=[];let p;const f=[],g=[],m=[];let h=0,v=0;const y=[];let b,x,T,C=[];const S=[],A=[],P=[];a.subId=0,r[2]=0,t.points.getPoint(1,l),t.points.getPoint(2,c),t.points.getPoint(0,u),pu(l,c,u,d),ri.generalizedProjectPoint(e,l,d,P);let I=0;for(i=0;i<3;i++)p=d[i]<0?-d[i]:d[i],p>I&&(I=p,v=i);for(s=0,i=0;i<3;i++)i!==v&&(y[s++]=i);for(i=0;i<2;i++)f[i]=P[y[i]]-u[y[i]],g[i]=l[y[i]]-u[y[i]],m[i]=c[y[i]]-u[y[i]];if(h=oa(g,m),0===h)return r[0]=0,r[1]=0,a.evaluation=-1,a;if(r[0]=oa(f,m)/h,r[1]=oa(g,f)/h,o[0]=1-(r[0]+r[1]),o[1]=r[0],o[2]=r[1],o[0]>=0&&o[0]<=1&&o[1]>=0&&o[1]<=1&&o[2]>=0&&o[2]<=1)n&&(a.dist2=ea(P,e),n[0]=P[0],n[1]=P[1],n[2]=P[2]),a.evaluation=1;else{let t;if(n)if(o[1]<0&&o[2]<0)for(b=ea(e,u),x=su.distanceToLine(e,l,u,t,S),T=su.distanceToLine(e,u,c,t,A),b{const o=[],a=[],i=[];t.points.getPoint(0,o),t.points.getPoint(1,a),t.points.getPoint(2,i);const s=1-e[0]-e[1];for(let t=0;t<3;t++)n[t]=o[t]*s+a[t]*e[0]+i[t]*e[1];r[0]=s,r[1]=e[0],r[2]=e[1]},e.getParametricDistance=e=>{let t,n=0;const r=[];r[0]=e[0],r[1]=e[1],r[2]=1-e[0]-e[1];for(let e=0;e<3;e++)t=r[e]<0?-r[e]:r[e]>1?r[e]-1:0,t>n&&(n=t);return n}}const hu={};function vu(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,hu,n),Rc.extend(e,t,n),mu(e,t)}var yu={newInstance:jt.newInstance(vu,"vtkTriangle"),extend:vu,...gu};const bu=["verts","lines","polys","strips"],{vtkWarningMacro:xu}=jt,Tu={[Fc]:su,[_c]:su,[Gc]:yu};function Cu(e,t){t.classHierarchy.push("vtkPolyData"),bu.forEach((n=>{e[`getNumberOf${function(e){return e.replace(/(?:^\w|[A-Z]|\b\w)/g,(e=>e.toUpperCase())).replace(/\s+/g,"")}(n)}`]=()=>t[n].getNumberOfCells(),t[n]?t[n]=ze(t[n]):t[n]=xc.newInstance()})),e.getNumberOfCells=()=>bu.reduce(((e,n)=>e+t[n].getNumberOfCells()),0);const n=e.shallowCopy;e.shallowCopy=function(e){let r=arguments.length>1&&void 0!==arguments[1]&&arguments[1];n(e,r),bu.forEach((n=>{t[n]=xc.newInstance(),t[n].shallowCopy(e.getReferenceByName(n))}))},e.buildCells=()=>{const n=e.getNumberOfVerts(),r=e.getNumberOfLines(),o=e.getNumberOfPolys(),a=e.getNumberOfStrips(),i=n+r+o+a,s=new Uint8Array(i);let l=s;const c=new Uint32Array(i);let u=c;if(n){let e=0;t.verts.getCellSizes().forEach(((t,n)=>{u[n]=e,l[n]=t>1?kc:Nc,e+=t+1})),u=u.subarray(n),l=l.subarray(n)}if(r){let e=0;t.lines.getCellSizes().forEach(((t,n)=>{u[n]=e,l[n]=t>2?_c:Fc,1===t&&xu("Building VTK_LINE ",n," with only one point, but VTK_LINE needs at least two points. 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Check the input."),e+=t+1})),u+=u.subarray(o),l+=l.subarray(o)}if(a){let e=0;l.fill(Uc,0,a),t.strips.getCellSizes().forEach(((t,n)=>{u[n]=e,e+=t+1}))}t.cells=Qc.newInstance(),t.cells.setCellTypes(i,s,c)},e.buildLinks=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;void 0===t.cells&&e.buildCells(),t.links=Lc.newInstance(),n>0?t.links.allocate(n):t.links.allocate(e.getPoints().getNumberOfPoints()),t.links.buildLinks(e)},e.getCellType=e=>t.cells.getCellType(e),e.getCellPoints=n=>{const r=e.getCellType(n);let o=null;switch(r){case Nc:case kc:o=t.verts;break;case Fc:case _c:o=t.lines;break;case Gc:case zc:case Wc:o=t.polys;break;case Uc:o=t.strips;break;default:return o=null,{type:0,cellPointIds:null}}const a=t.cells.getCellLocation(n);return{cellType:r,cellPointIds:o.getCell(a)}},e.getPointCells=e=>t.links.getCells(e),e.getCellEdgeNeighbors=(e,n,r)=>{const o=t.links.getLink(n),a=t.links.getLink(r);return o.cells.filter((t=>t!==e&&-1!==a.cells.indexOf(t)))},e.getCell=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;const r=e.getCellPoints(t),o=n||Tu[r.cellType].newInstance();return o.initialize(e.getPoints(),r.cellPointIds),o}}const Su={};function Au(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Su,n),du.extend(e,t,n),jt.get(e,t,["cells","links"]),jt.setGet(e,t,["verts","lines","polys","strips"]),Cu(e,t)}var Pu={newInstance:jt.newInstance(Au,"vtkPolyData"),extend:Au};function Iu(e,t){t.classHierarchy.push("vtkTexture"),e.imageLoaded=()=>{t.image.removeEventListener("load",e.imageLoaded),t.imageLoaded=!0,e.modified()},e.setJsImageData=n=>{t.jsImageData!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.image=null,t.canvas=null),t.jsImageData=n,t.imageLoaded=!0,e.modified())},e.setCanvas=n=>{t.canvas!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.image=null,t.jsImageData=null),t.canvas=n,e.modified())},e.setImage=n=>{t.image!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.canvas=null,t.jsImageData=null),t.image=n,t.imageLoaded=!1,n.complete?e.imageLoaded():n.addEventListener("load",e.imageLoaded),e.modified())},e.getDimensionality=()=>{let n=0,r=0,o=1;if(e.getInputData()){const t=e.getInputData();n=t.getDimensions()[0],r=t.getDimensions()[1],o=t.getDimensions()[2]}return t.jsImageData&&(n=t.jsImageData.width,r=t.jsImageData.height),t.canvas&&(n=t.canvas.width,r=t.canvas.height),t.image&&(n=t.image.width,r=t.image.height),(n>1)+(r>1)+(o>1)},e.getInputAsJsImageData=()=>{if(!t.imageLoaded||e.getInputData())return null;if(t.jsImageData)return t.jsImageData();if(t.canvas)return t.canvas.getContext("2d").getImageData(0,0,t.canvas.width,t.canvas.height);if(t.image){const e=document.createElement("canvas");e.width=t.image.width,e.height=t.image.height;const n=e.getContext("2d");return n.translate(0,e.height),n.scale(1,-1),n.drawImage(t.image,0,0,t.image.width,t.image.height),n.getImageData(0,0,e.width,e.height)}return null}}const wu={image:null,canvas:null,jsImageData:null,imageLoaded:!1,repeat:!1,interpolate:!1,edgeClamp:!1,mipLevel:0,resizable:!1};function Ou(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,wu,n),jt.obj(e,t),jt.algo(e,t,6,0),jt.get(e,t,["canvas","image","jsImageData","imageLoaded","resizable"]),jt.setGet(e,t,["repeat","edgeClamp","interpolate","mipLevel"]),Iu(e,t)}const Mu={generateMipmaps:(e,t,n,r)=>{const o=[1,2,1],a=e.length/(t*n);let i=t,s=n,l=e;const c=[l];for(let e=0;ea&&(u+=t),d<-a&&(u-=t),r[u]?c+=r[u]*o[l]:s-=o[l],i+=1}l[e+n]=c/s}r=[...l];for(let e=0;e{t.renderable!==n&&(t.renderable=n,t.tmActor.addTexture(t.renderable.getTmTexture()),t.tmActor.setProperty(n.getProperty()),t.tmActor.setParentProp(n),e.modified())},e.createPolyDataForOneLabel=(e,n,r,o,a,i,s)=>{const l=t.renderable.get_tmAtlas().get(e);if(!l)return;const c=t.renderable.getTextPolyData().getPoints().getData(),u=t.lastSize;Nu[0]=c[3*n],Nu[1]=c[3*n+1],Nu[2]=c[3*n+2],Ln(Fu,Nu,r),Fu[0]+=.1,Ln(ku,Fu,o),wn(Gu,ku,Nu),Fu[0]-=.1,Fu[1]+=.1,Ln(ku,Fu,o),wn(Uu,ku,Nu);for(let e=0;e<3;e++)Gu[e]/=.05*u[0],Uu[e]/=.05*u[1];let d=s.ptIdx,p=s.cellIdx;Nu[0]=c[3*n],Nu[1]=c[3*n+1],Nu[2]=c[3*n+2],a[0]<-.5?On(Fu,Gu,a[0]*i-l.width):a[0]>.5?On(Fu,Gu,a[0]*i):On(Fu,Gu,a[0]*i-l.width/2),In(Nu,Nu,Fu),On(Fu,Uu,a[1]*i-l.height/2),In(Nu,Nu,Fu),s.points[3*d]=Nu[0],s.points[3*d+1]=Nu[1],s.points[3*d+2]=Nu[2],s.tcoords[2*d]=l.tcoords[0],s.tcoords[2*d+1]=l.tcoords[1],d++,On(Fu,Gu,l.width),In(Nu,Nu,Fu),s.points[3*d]=Nu[0],s.points[3*d+1]=Nu[1],s.points[3*d+2]=Nu[2],s.tcoords[2*d]=l.tcoords[2],s.tcoords[2*d+1]=l.tcoords[3],d++,On(Fu,Uu,l.height),In(Nu,Nu,Fu),s.points[3*d]=Nu[0],s.points[3*d+1]=Nu[1],s.points[3*d+2]=Nu[2],s.tcoords[2*d]=l.tcoords[4],s.tcoords[2*d+1]=l.tcoords[5],d++,On(Fu,Gu,l.width),wn(Nu,Nu,Fu),s.points[3*d]=Nu[0],s.points[3*d+1]=Nu[1],s.points[3*d+2]=Nu[2],s.tcoords[2*d]=l.tcoords[6],s.tcoords[2*d+1]=l.tcoords[7],d++,s.polys[4*p]=3,s.polys[4*p+1]=d-4,s.polys[4*p+2]=d-3,s.polys[4*p+3]=d-2,p++,s.polys[4*p]=3,s.polys[4*p+1]=d-4,s.polys[4*p+2]=d-2,s.polys[4*p+3]=d-1,s.ptIdx+=4,s.cellIdx+=2},e.updateTexturePolyData=()=>{const n=t.camera.getCompositeProjectionMatrix(t.lastAspectRatio,-1,1);m(n,n);const r=t.renderable.getTextValues().length,o=4*r,a=2*r,i=new Float64Array(3*o),s=new Uint16Array(4*a),l=new Float32Array(2*o);h(Wu,n);const c={ptIdx:0,cellIdx:0,polys:s,points:i,tcoords:l};let u=0,d=0,p=0;const f=t.renderable.getTextPolyData().getPoints().getData(),g=t.renderable.getTextValues();for(;u{t.lastSize[0]===n[0]&&t.lastSize[1]===n[1]||(t.lastSize[0]=n[0],t.lastSize[1]=n[1],t.lastAspectRatio=n[0]/n[1],t.forceUpdate=!0),t.camera=r,e.updateTexturePolyData()}}const ju=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{renderable:null};Object.assign(t,{},n),jt.obj(e,t),t.tmPolyData=Pu.newInstance(),t.tmMapper=fc.newInstance(),t.tmMapper.setInputData(t.tmPolyData),t.tmActor=Ps.newInstance({parentProp:e}),t.tmActor.setMapper(t.tmMapper),jt.setGet(e,t,["renderable"]),jt.get(e,t,["lastSize","lastAspectRatio","axisTextStyle","tickTextStyle","tmActor","ticks"]),t.forceUpdate=!1,t.lastRedrawTime={},jt.obj(t.lastRedrawTime,{mtime:0}),t.lastRebuildTime={},jt.obj(t.lastRebuildTime,{mtime:0}),t.lastSize=[-1,-1],t.lastTickBounds=[],Hu(e,t)}),"vtkCubeAxesActorHelper");function Ku(e,t){t.classHierarchy.push("vtkCubeAxesActor"),e.setCamera=n=>{t.camera!==n&&(t.cameraModifiedSub&&(t.cameraModifiedSub.unsubscribe(),t.cameraModifiedSub=null),t.camera=n,n&&(t.cameraModifiedSub=n.onModified(e.update)),e.update(),e.modified())},e.computeFacesToDraw=()=>{const e=t.camera.getViewMatrix();m(e,e);let n=!1;const r=Ui.getDiagonalLength(t.dataBounds),o=Math.sin(t.faceVisibilityAngle*Math.PI/180);for(let a=0;a<6;a++){let i=!1;const s=Math.floor(a/2),l=(s+1)%3,c=(s+2)%3;t.dataBounds[2*l]!==t.dataBounds[2*l+1]&&t.dataBounds[2*c]!==t.dataBounds[2*c+1]&&(Nu[s]=t.dataBounds[a]-.1*r*Vu[a][s],Nu[l]=.5*(t.dataBounds[2*l]+t.dataBounds[2*l+1]),Nu[c]=.5*(t.dataBounds[2*c]+t.dataBounds[2*c+1]),Ln(Fu,Nu,e),Nu[s]=t.dataBounds[a],Ln(_u,Nu,e),wn(Fu,_u,Fu),Vn(Fu,Fu),i=Fu[2]>o,t.camera.getParallelProjection()||(Vn(_u,_u),i=En(_u,Fu)>o)),i!==t.lastFacesToDraw[a]&&(t.lastFacesToDraw[a]=i,n=!0)}return n},e.updatePolyData=(e,n,r)=>{let o=0,a=0;o+=8;let i=0;for(let e=0;e<12;e++)n[e]>0&&i++;if(a+=i,t.gridLines)for(let t=0;t<6;t++)e[t]&&(o+=2*r[Bu[t][0]].length+2*r[Bu[t][1]].length,a+=r[Bu[t][0]].length+r[Bu[t][1]].length);const s=new Float64Array(3*o),l=new Uint32Array(3*a);let c=0,u=0;for(let e=0;e<2;e++)for(let n=0;n<2;n++)for(let r=0;r<2;r++)s[3*c]=t.dataBounds[r],s[3*c+1]=t.dataBounds[2+n],s[3*c+2]=t.dataBounds[4+e],c++;for(let e=0;e<12;e++)n[e]>0&&(l[3*u]=2,l[3*u+1]=Du[e][0],l[3*u+2]=Du[e][1],u++);if(t.gridLines)for(let n=0;n<6;n++)if(e[n]){const e=Math.floor(n/2);let o=r[Bu[n][0]];for(let r=0;r{let a=0;for(let e=0;e<12;e++)1===n[e]&&(a+=2,a+=r[Lu[e]].length);const i=t.polyData.getPoints().getData(),s=new Float64Array(3*a);let l=0,c=0,u=0;for(let a=0;a<6;a++)if(e[a])for(let e=0;e<4;e++){const d=Eu[a][e];if(1===n[d]){const e=Lu[d],n=3*Du[d][0],p=3*Du[d][1];s[3*l]=.5*(i[n]+i[p]),s[3*l+1]=.5*(i[n+1]+i[p+1]),s[3*l+2]=.5*(i[n+2]+i[p+2]),l++,s[3*l+Math.floor(a/2)]=t.dataBounds[a],s[3*l+Bu[a][0]]=.5*(t.dataBounds[2*Bu[a][0]]+t.dataBounds[2*Bu[a][0]+1]),s[3*l+Bu[a][1]]=.5*(t.dataBounds[2*Bu[a][1]]+t.dataBounds[2*Bu[a][1]+1]),l++,t.textValues[c]=t.axisLabels[e],c++;const f=(e+1)%3,g=(e+2)%3,m=r[e],h=o[e];t.tickCounts[u]=m.length;for(let r=0;r{if(!t.camera)return;const n=e.computeFacesToDraw(),r=t.lastFacesToDraw;let o=!1;for(let e=0;e<6;e++)t.dataBounds[e]!==t.lastTickBounds[e]&&(o=!0,t.lastTickBounds[e]=t.dataBounds[e]);if(n||o||t.forceUpdate){const n=new Array(12).fill(0);for(let e=0;e<6;e++)if(r[e])for(let t=0;t<4;t++)n[Eu[e][t]]++;const a=[],i=[];for(let e=0;e<3;e++){const n=yo().domain([t.dataBounds[2*e],t.dataBounds[2*e+1]]);a[e]=n.ticks(5);const r=n.tickFormat(5);i[e]=a[e].map(r)}e.updatePolyData(r,n,a),e.updateTextData(r,n,a,i),(o||t.forceUpdate)&&e.updateTextureAtlas(i)}t.forceUpdate=!1},e.updateTextureAtlas=e=>{t.tmContext.textBaseline="bottom",t.tmContext.textAlign="left",t._tmAtlas.clear();let n=0,r=1;for(let o=0;o<3;o++){if(!t._tmAtlas.has(t.axisLabels[o])){zu(t.tmContext,t.axisTextStyle);const e=t.tmContext.measureText(t.axisLabels[o]),a={height:e.actualBoundingBoxAscent+2,startingHeight:r,width:e.width+2,textStyle:t.axisTextStyle};t._tmAtlas.set(t.axisLabels[o],a),r+=a.height,n{e.tcoords=[0,(r-e.startingHeight-e.height)/r,e.width/n,(r-e.startingHeight-e.height)/r,e.width/n,(r-e.startingHeight)/r,0,(r-e.startingHeight)/r]})),t.tmCanvas.width=n,t.tmCanvas.height=r,t.tmContext.textBaseline="bottom",t.tmContext.textAlign="left",t.tmContext.clearRect(0,0,n,r),t._tmAtlas.forEach(((e,n)=>{zu(t.tmContext,e.textStyle),t.tmContext.fillText(n,1,e.startingHeight+e.height-1)})),t.tmTexture.setCanvas(t.tmCanvas),t.tmTexture.modified()},e.onModified((()=>{t.forceUpdate=!0,e.update()})),e.setTickTextStyle=n=>{t.tickTextStyle={...t.tickTextStyle,...n},e.modified()},e.setAxisTextStyle=n=>{t.axisTextStyle={...t.axisTextStyle,...n},e.modified()},e.get_tmAtlas=()=>t._tmAtlas,e.getBounds=()=>(e.update(),Ui.setBounds(t.bounds,t.gridActor.getBounds()),Ui.scaleAboutCenter(t.bounds,t.boundsScaleFactor,t.boundsScaleFactor,t.boundsScaleFactor),t.bounds);const n=jt.chain(e.setProperty,t.gridActor.setProperty);e.setProperty=e=>n(e)[0]}function $u(e){return{boundsScaleFactor:1.3,camera:null,dataBounds:[...Ui.INIT_BOUNDS],faceVisibilityAngle:8,gridLines:!0,axisLabels:null,axisTitlePixelOffset:35,axisTextStyle:{fontColor:"white",fontStyle:"normal",fontSize:18,fontFamily:"serif"},tickLabelPixelOffset:12,tickTextStyle:{fontColor:"white",fontStyle:"normal",fontSize:14,fontFamily:"serif"},...e}}function qu(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,$u(n)),Ps.extend(e,t,n),t.lastFacesToDraw=[!1,!1,!1,!1,!1,!1],t.axisLabels=["X-Axis","Y-Axis","Z-Axis"],t.tickCounts=[],t.textValues=[],t.lastTickBounds=[],t.tmCanvas=document.createElement("canvas"),t.tmContext=t.tmCanvas.getContext("2d"),t._tmAtlas=new Map,t.tmTexture=Ru.newInstance(),t.tmTexture.setInterpolate(!1),e.getProperty().setDiffuse(0),e.getProperty().setAmbient(1),t.gridMapper=fc.newInstance(),t.polyData=Pu.newInstance(),t.gridMapper.setInputData(t.polyData),t.gridActor=Ps.newInstance(),t.gridActor.setMapper(t.gridMapper),t.gridActor.setProperty(e.getProperty()),t.gridActor.setParentProp(e),t.textPolyData=Pu.newInstance(),jt.setGet(e,t,["axisTitlePixelOffset","boundsScaleFactor","faceVisibilityAngle","gridLines","tickLabelPixelOffset"]),jt.setGetArray(e,t,["dataBounds"],6),jt.setGetArray(e,t,["axisLabels"],3),jt.get(e,t,["axisTextStyle","tickTextStyle","camera","tmTexture","textValues","textPolyData","tickCounts","gridActor"]),Ku(e,t)}var Xu={newInstance:jt.newInstance(qu,"vtkCubeAxesActor"),extend:qu,newCubeAxesActorHelper:ju};function Yu(e,t){t.classHierarchy.push("vtkOpenGLCubeAxesActor"),e.buildPass=n=>{n&&(t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.CubeAxesActorHelper.getRenderable()||t.CubeAxesActorHelper.setRenderable(t.renderable),e.prepareNodes(),e.addMissingNode(t.CubeAxesActorHelper.getTmActor()),e.addMissingNode(t.renderable.getGridActor()),e.removeUnusedNodes())},e.opaquePass=(e,n)=>{if(e){const e=t._openGLRenderer?t._openGLRenderer.getRenderable().getActiveCamera():null,n=t._openGLRenderer.getTiledSizeAndOrigin();t.CubeAxesActorHelper.updateAPISpecificData([n.usize,n.vsize],e,t._openGLRenderWindow.getRenderable())}}}const Zu={};const Qu=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Zu,n),Zt.extend(e,t,n),t.CubeAxesActorHelper=Xu.newCubeAxesActorHelper(),Yu(e,t)}),"vtkOpenGLCubeAxesActor");rn("vtkCubeAxesActor",Qu);const 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program.",!1):(t.context.detachShader(t.handle,e.getHandle()),t.vertexShaderHandle=0,t.linked=!1,!0);case"Fragment":return t.fragmentShaderHandle!==e.getHandle()?(t.error="The supplied shader was not attached to this program.",!1):(t.context.detachShader(t.handle,e.getHandle()),t.fragmentShaderHandle=0,t.linked=!1,!0);default:return!1}},e.setContext=e=>{t.context=e,t.vertexShader.setContext(e),t.fragmentShader.setContext(e),t.geometryShader.setContext(e)},e.setLastCameraMTime=e=>{t.lastCameraMTime=e}}const yd={vertexShaderHandle:0,fragmentShaderHandle:0,geometryShaderHandle:0,vertexShader:null,fragmentShader:null,geometryShader:null,linked:!1,bound:!1,compiled:!1,error:"",handle:0,numberOfOutputs:0,attributesLocs:null,uniformLocs:null,md5Hash:0,context:null,lastCameraMTime:null};function bd(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,yd,n),t.attributesLocs={},t.uniformLocs={},t.vertexShader=md.newInstance(),t.vertexShader.setShaderType("Vertex"),t.fragmentShader=md.newInstance(),t.fragmentShader.setShaderType("Fragment"),t.geometryShader=md.newInstance(),t.geometryShader.setShaderType("Geometry"),jt.obj(e,t),jt.get(e,t,["lastCameraMTime"]),jt.setGet(e,t,["error","handle","compiled","bound","md5Hash","vertexShader","fragmentShader","geometryShader","linked"]),vd(e,t)}var xd={newInstance:jt.newInstance(bd,"vtkShaderProgram"),extend:bd,substitute:function(e,t,n,r){const o="string"==typeof n?n:n.join("\n"),a=!1===r?t:new RegExp(t,"g"),i=e.replace(a,o);return{replace:i!==o,result:i}}};function Td(e,t){t.classHierarchy.push("vtkOpenGLVertexArrayObject"),e.exposedMethod=()=>{},e.initialize=()=>{t.instancingExtension=null,t._openGLRenderWindow.getWebgl2()||(t.instancingExtension=t.context.getExtension("ANGLE_instanced_arrays")),!t.forceEmulation&&t._openGLRenderWindow&&t._openGLRenderWindow.getWebgl2()?(t.extension=null,t.supported=!0,t.handleVAO=t.context.createVertexArray()):(t.extension=t.context.getExtension("OES_vertex_array_object"),!t.forceEmulation&&t.extension?(t.supported=!0,t.handleVAO=t.extension.createVertexArrayOES()):t.supported=!1)},e.isReady=()=>0!==t.handleVAO||!1===t.supported,e.bind=()=>{if(e.isReady()||e.initialize(),e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(t.handleVAO):t.context.bindVertexArray(t.handleVAO);else if(e.isReady()){const e=t.context;for(let n=0;n0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,1):e.vertexAttribDivisor(o.index+n,1))}}}},e.release=()=>{if(e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(null):t.context.bindVertexArray(null);else if(e.isReady()){const e=t.context;for(let n=0;n0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,0):e.vertexAttribDivisor(o.index+n,0)),e.disableVertexAttribArray(o.index+n)}}}},e.shaderProgramChanged=()=>{e.release(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.handleProgram=0},e.releaseGraphicsResources=()=>{e.shaderProgramChanged(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.supported=!0,t.handleProgram=0},e.addAttributeArray=(t,n,r,o,a,i,s,l)=>e.addAttributeArrayWithDivisor(t,n,r,o,a,i,s,l,0,!1),e.addAttributeArrayWithDivisor=(n,r,o,a,i,s,l,c,u,d)=>{if(!n)return!1;if(!n.isBound()||0===r.getHandle()||r.getType()!==Ju.ARRAY_BUFFER)return!1;if(0===t.handleProgram&&(t.handleProgram=n.getHandle()),e.isReady()||e.initialize(),!e.isReady()||t.handleProgram!==n.getHandle())return!1;const p=t.context,f={};if(f.name=o,f.index=p.getAttribLocation(t.handleProgram,o),f.offset=a,f.stride=i,f.type=s,f.size=l,f.normalize=c,f.isMatrix=d,f.divisor=u,-1===f.Index)return!1;if(r.bind(),p.enableVertexAttribArray(f.index),p.vertexAttribPointer(f.index,f.size,f.type,f.normalize,f.stride,f.offset),u>0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f.index,1):p.vertexAttribDivisor(f.index,1)),f.buffer=r.getHandle(),!t.supported){let e=!1;for(let n=0;n{const d=e.addAttributeArrayWithDivisor(n,r,o,a,i,s,l,c,u,!0);if(!d)return d;const p=t.context,f=p.getAttribLocation(t.handleProgram,o);for(let e=1;e0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f+e,1):p.vertexAttribDivisor(f+e,1));return!0},e.removeAttributeArray=n=>{if(!e.isReady()||0===t.handleProgram)return!1;if(!t.supported)for(let e=0;e{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))}}const Cd={forceEmulation:!1,handleVAO:0,handleProgram:0,supported:!0,buffers:null,context:null};function Sd(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Cd,n),t.buffers=[],jt.obj(e,t),jt.get(e,t,["supported"]),jt.setGet(e,t,["forceEmulation"]),Td(e,t)}var Ad={newInstance:jt.newInstance(Sd,"vtkOpenGLVertexArrayObject"),extend:Sd};const Pd={Start:0,Points:0,Lines:1,Tris:2,TriStrips:3,TrisEdges:4,TriStripsEdges:5,End:6};function Id(e,t){t.classHierarchy.push("vtkOpenGLHelper"),e.setOpenGLRenderWindow=e=>{t.context=e.getContext(),t.program.setContext(t.context),t.VAO.setOpenGLRenderWindow(e),t.CABO.setOpenGLRenderWindow(e)},e.releaseGraphicsResources=e=>{t.VAO.releaseGraphicsResources(),t.CABO.releaseGraphicsResources(),t.CABO.setElementCount(0)},e.drawArrays=(n,r,o,a)=>{if(t.CABO.getElementCount()){const i=e.getOpenGLMode(o),s=e.haveWideLines(n,r),l=t.context,c=l.getParameter(l.DEPTH_WRITEMASK);t.pointPicking&&l.depthMask(!1),i===l.LINES&&s?(e.updateShaders(n,r,a),l.drawArraysInstanced(i,0,t.CABO.getElementCount(),2*Math.ceil(r.getProperty().getLineWidth()))):(l.lineWidth(r.getProperty().getLineWidth()),e.updateShaders(n,r,a),l.drawArrays(i,0,t.CABO.getElementCount()),l.lineWidth(1));const u=(i===l.POINTS?1:0)||(i===l.LINES?2:3);return t.pointPicking&&l.depthMask(c),t.CABO.getElementCount()/u}return 0},e.getOpenGLMode=e=>{if(t.pointPicking)return t.context.POINTS;const n=t.primitiveType;return e===ps.POINTS||n===Pd.Points?t.context.POINTS:e===ps.WIREFRAME||n===Pd.Lines||n===Pd.TrisEdges||n===Pd.TriStripsEdges?t.context.LINES:t.context.TRIANGLES},e.haveWideLines=(e,n)=>n.getProperty().getLineWidth()>1&&!(t.CABO.getOpenGLRenderWindow()&&t.CABO.getOpenGLRenderWindow().getHardwareMaximumLineWidth()>=n.getProperty().getLineWidth()),e.getNeedToRebuildShaders=(t,n,r)=>!!(r.getNeedToRebuildShaders(e,t,n)||0===e.getProgram()||e.getShaderSourceTime().getMTime(){if(e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};o.buildShaders(a,n,r);const i=t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==e.getProgram()&&(e.setProgram(i),e.getVAO().releaseGraphicsResources()),e.getShaderSourceTime().modified()}else t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgram(e.getProgram());e.getVAO().bind(),o.setMapperShaderParameters(e,n,r),o.setPropertyShaderParameters(e,n,r),o.setCameraShaderParameters(e,n,r),o.setLightingShaderParameters(e,n,r),o.invokeShaderCallbacks(e,n,r)},e.setMapperShaderParameters=(n,r,o)=>{if(e.haveWideLines(n,r)){e.getProgram().setUniform2f("viewportSize",o.usize,o.vsize);const t=parseFloat(r.getProperty().getLineWidth()),n=t/2;e.getProgram().setUniformf("lineWidthStepSize",t/Math.ceil(t)),e.getProgram().setUniformf("halfLineWidth",n)}t.primitiveType===Pd.Points||r.getProperty().getRepresentation()===ps.POINTS?e.getProgram().setUniformf("pointSize",r.getProperty().getPointSize()):t.pointPicking&&e.getProgram().setUniformf("pointSize",e.getPointPickingPrimitiveSize())},e.replaceShaderPositionVC=(n,r,o)=>{let a=n.Vertex;a=xd.substitute(a,"//VTK::PositionVC::Dec",["//VTK::PositionVC::Dec","uniform float pointSize;"]).result,a=xd.substitute(a,"//VTK::PositionVC::Impl",["//VTK::PositionVC::Impl"," gl_PointSize = pointSize;"],!1).result,e.getOpenGLMode(o.getProperty().getRepresentation())===t.context.LINES&&e.haveWideLines(r,o)&&(a=xd.substitute(a,"//VTK::PositionVC::Dec",["//VTK::PositionVC::Dec","uniform vec2 viewportSize;","uniform float lineWidthStepSize;","uniform float halfLineWidth;"]).result,a=xd.substitute(a,"//VTK::PositionVC::Impl",["//VTK::PositionVC::Impl"," if (halfLineWidth > 0.0)"," {"," float offset = float(gl_InstanceID / 2) * lineWidthStepSize - halfLineWidth;"," vec4 tmpPos = gl_Position;"," vec3 tmpPos2 = tmpPos.xyz / tmpPos.w;"," tmpPos2.x = tmpPos2.x + 2.0 * mod(float(gl_InstanceID), 2.0) * offset / viewportSize[0];"," tmpPos2.y = tmpPos2.y + 2.0 * mod(float(gl_InstanceID + 1), 2.0) * offset / viewportSize[1];"," gl_Position = vec4(tmpPos2.xyz * tmpPos.w, tmpPos.w);"," }"]).result),n.Vertex=a},e.getPointPickingPrimitiveSize=()=>t.primitiveType===Pd.Points?2:t.primitiveType===Pd.Lines?4:6,e.getAllocatedGPUMemoryInBytes=()=>e.getCABO().getAllocatedGPUMemoryInBytes()}const wd={context:null,program:null,shaderSourceTime:null,VAO:null,attributeUpdateTime:null,CABO:null,primitiveType:0,pointPicking:!1};function Od(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,wd,n),jt.obj(e,t),t.shaderSourceTime={},jt.obj(t.shaderSourceTime),t.attributeUpdateTime={},jt.obj(t.attributeUpdateTime),jt.setGet(e,t,["program","shaderSourceTime","VAO","attributeUpdateTime","CABO","primitiveType","pointPicking"]),t.program=xd.newInstance(),t.VAO=Ad.newInstance(),t.CABO=ud.newInstance(),Id(e,t)}var Md={newInstance:jt.newInstance(Od),extend:Od,primTypes:Pd};const Rd={CLAMP_TO_EDGE:0,REPEAT:1,MIRRORED_REPEAT:2},Vd={NEAREST:0,LINEAR:1,NEAREST_MIPMAP_NEAREST:2,NEAREST_MIPMAP_LINEAR:3,LINEAR_MIPMAP_NEAREST:4,LINEAR_MIPMAP_LINEAR:5};var Ed={Wrap:Rd,Filter:Vd};const Dd=new Float32Array(1),Ld=new Int32Array(Dd.buffer);var Bd={fromHalf:function(e){const t=(32768&e)>>15,n=(31744&e)>>10,r=1023&e;return 0===n?(t?-1:1)*2**-14*(r/1024):31===n?r?NaN:1/0*(t?-1:1):(t?-1:1)*2**(n-15)*(1+r/1024)},toHalf:function(e){Dd[0]=e;const t=Ld[0];let n=t>>16&32768,r=t>>12&2047;const o=t>>23&255;return o<103?n:o>142?(n|=31744,n|=(255===o?0:1)&&8388607&t,n):o<113?(r|=2048,n|=(r>>114-o)+(r>>113-o&1),n):(n|=o-112<<10|r>>1,n+=1&r,n)}};const{Wrap:Nd,Filter:kd}=Ed,{VtkDataTypes:Fd}=Us,{vtkDebugMacro:_d,vtkErrorMacro:Gd,vtkWarningMacro:Ud}=Kt,{toHalf:Wd}=Bd;function zd(e,t){function n(e,n){let r=arguments.length>2&&void 0!==arguments[2]&&arguments[2];const o=[];let a=t.width*t.height*t.components;if(r&&(a*=t.depth),e!==Fd.FLOAT&&t.openGLDataType===t.context.FLOAT)for(let e=0;ea?n[e].subarray(0,a):n[e];o.push(new Float32Array(t))}else o.push(null);if(e!==Fd.UNSIGNED_CHAR&&t.openGLDataType===t.context.UNSIGNED_BYTE)for(let e=0;ea?n[e].subarray(0,a):n[e];o.push(new Uint8Array(t))}else o.push(null);let i=!1;if(t._openGLRenderWindow.getWebgl2())i=t.openGLDataType===t.context.HALF_FLOAT;else{const e=t.context.getExtension("OES_texture_half_float");i=e&&t.openGLDataType===e.HALF_FLOAT_OES}if(i)for(let e=0;e=o&&(c=o-1);const m=i-l,h=1-m;l=l*r*a,c=c*r*a;for(let t=0;t=r&&(p=r-1);const v=i-s;s*=a,p*=a;for(let t=0;t2048||o<-2048||o>2048)return!1}return!0}(r,o)||a);t.useHalfFloat=s}(a,c.offset,c.scale,r),t.useHalfFloat||e.getOpenGLDataType(a,!0),{numComps:o,dataType:a,data:i,scaleOffsets:c}}t.classHierarchy.push("vtkOpenGLTexture"),e.render=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null;if(n?t._openGLRenderWindow=n:(t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent()),t.context=t._openGLRenderWindow.getContext(),t.renderable.getInterpolate()?(t.generateMipmap?e.setMinificationFilter(kd.LINEAR_MIPMAP_LINEAR):e.setMinificationFilter(kd.LINEAR),e.setMagnificationFilter(kd.LINEAR)):(e.setMinificationFilter(kd.NEAREST),e.setMagnificationFilter(kd.NEAREST)),t.renderable.getRepeat()&&(e.setWrapR(Nd.REPEAT),e.setWrapS(Nd.REPEAT),e.setWrapT(Nd.REPEAT)),t.renderable.getInputData()&&t.renderable.setImage(null),!t.handle||t.renderable.getMTime()>t.textureBuildTime.getMTime()){if(null!==t.renderable.getImage()&&(t.renderable.getInterpolate()&&(t.generateMipmap=!0,e.setMinificationFilter(kd.LINEAR_MIPMAP_LINEAR)),t.renderable.getImage()&&t.renderable.getImageLoaded()&&(e.create2DFromImage(t.renderable.getImage()),e.activate(),e.sendParameters(),t.textureBuildTime.modified())),null!==t.renderable.getCanvas()){t.renderable.getInterpolate()&&(t.generateMipmap=!0,e.setMinificationFilter(kd.LINEAR_MIPMAP_LINEAR));const n=t.renderable.getCanvas();e.create2DFromRaw(n.width,n.height,4,Fd.UNSIGNED_CHAR,n,!0),e.activate(),e.sendParameters(),t.textureBuildTime.modified()}if(null!==t.renderable.getJsImageData()){const n=t.renderable.getJsImageData();t.renderable.getInterpolate()&&(t.generateMipmap=!0,e.setMinificationFilter(kd.LINEAR_MIPMAP_LINEAR)),e.create2DFromRaw(n.width,n.height,4,Fd.UNSIGNED_CHAR,n.data,!0),e.activate(),e.sendParameters(),t.textureBuildTime.modified()}const n=t.renderable.getInputData(0);if(n&&n.getPointData().getScalars()){const r=n.getExtent(),o=n.getPointData().getScalars(),a=[];for(let e=0;e{e.deactivate(),t.context&&t.handle&&t.context.deleteTexture(t.handle),t.handle=0,t.numberOfDimensions=0,t.target=0,t.components=0,t.width=0,t.height=0,t.depth=0,e.resetFormatAndType()},e.createTexture=()=>{t.handle||(t.handle=t.context.createTexture(),t.target&&(t.context.bindTexture(t.target,t.handle),t.context.texParameteri(t.target,t.context.TEXTURE_MIN_FILTER,e.getOpenGLFilterMode(t.minificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_MAG_FILTER,e.getOpenGLFilterMode(t.magnificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_S,e.getOpenGLWrapMode(t.wrapS)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_T,e.getOpenGLWrapMode(t.wrapT)),t._openGLRenderWindow.getWebgl2()&&t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_R,e.getOpenGLWrapMode(t.wrapR)),t.context.bindTexture(t.target,null)))},e.getTextureUnit=()=>t._openGLRenderWindow?t._openGLRenderWindow.getTextureUnitForTexture(e):-1,e.activate=()=>{t._openGLRenderWindow.activateTexture(e),e.bind()},e.deactivate=()=>{t._openGLRenderWindow&&t._openGLRenderWindow.deactivateTexture(e)},e.releaseGraphicsResources=n=>{n&&t.handle&&(n.activateTexture(e),n.deactivateTexture(e),t.context.deleteTexture(t.handle),t.handle=0,t.numberOfDimensions=0,t.target=0,t.internalFormat=0,t.format=0,t.openGLDataType=0,t.components=0,t.width=0,t.height=0,t.depth=0,t.allocatedGPUMemoryInBytes=0),t.shaderProgram&&(t.shaderProgram.releaseGraphicsResources(n),t.shaderProgram=null)},e.bind=()=>{t.context.bindTexture(t.target,t.handle),t.autoParameters&&e.getMTime()>t.sendParametersTime.getMTime()&&e.sendParameters()},e.isBound=()=>{let e=!1;if(t.context&&t.handle){let n=0;t.target===t.context.TEXTURE_2D?n=t.context.TEXTURE_BINDING_2D:Ud("impossible case"),e=t.context.getIntegerv(n)===t.handle}return e},e.sendParameters=()=>{t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_S,e.getOpenGLWrapMode(t.wrapS)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_T,e.getOpenGLWrapMode(t.wrapT)),t._openGLRenderWindow.getWebgl2()&&t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_R,e.getOpenGLWrapMode(t.wrapR)),t.context.texParameteri(t.target,t.context.TEXTURE_MIN_FILTER,e.getOpenGLFilterMode(t.minificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_MAG_FILTER,e.getOpenGLFilterMode(t.magnificationFilter)),t._openGLRenderWindow.getWebgl2()&&(t.context.texParameteri(t.target,t.context.TEXTURE_BASE_LEVEL,t.baseLevel),t.context.texParameteri(t.target,t.context.TEXTURE_MAX_LEVEL,t.maxLevel)),t.sendParametersTime.modified()},e.getInternalFormat=(n,r)=>(t._forceInternalFormat||(t.internalFormat=e.getDefaultInternalFormat(n,r)),t.internalFormat||_d(`Unable to find suitable internal format for T=${n} NC= ${r}`),t.internalFormat),e.getDefaultInternalFormat=(e,n)=>{let r=0;return r=t._openGLRenderWindow.getDefaultTextureInternalFormat(e,n,t.oglNorm16Ext,t.useHalfFloat),r||(r||(_d("Unsupported internal texture type!"),_d(`Unable to find suitable internal format for T=${e} NC= ${n}`)),r)},e.setInternalFormat=n=>{t._forceInternalFormat=!0,n!==t.internalFormat&&(t.internalFormat=n,e.modified())},e.getFormat=(n,r)=>(t.format=e.getDefaultFormat(n,r),t.format),e.getDefaultFormat=(e,n)=>{if(t._openGLRenderWindow.getWebgl2())switch(n){case 1:return t.context.RED;case 2:return t.context.RG;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}else switch(n){case 1:return t.context.LUMINANCE;case 2:return t.context.LUMINANCE_ALPHA;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}},e.resetFormatAndType=()=>{t.format=0,t.internalFormat=0,t._forceInternalFormat=!1,t.openGLDataType=0},e.getDefaultDataType=e=>{if(t._openGLRenderWindow.getWebgl2())switch(e){case Fd.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case t.oglNorm16Ext&&!t.useHalfFloat&&Fd.SHORT:return t.context.SHORT;case t.oglNorm16Ext&&!t.useHalfFloat&&Fd.UNSIGNED_SHORT:return t.context.UNSIGNED_SHORT;case t.useHalfFloat&&Fd.SHORT:case t.useHalfFloat&&Fd.UNSIGNED_SHORT:return t.context.HALF_FLOAT;case Fd.FLOAT:case Fd.VOID:default:return t.context.FLOAT}switch(e){case Fd.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case Fd.FLOAT:case Fd.VOID:default:if(t.context.getExtension("OES_texture_float")&&t.context.getExtension("OES_texture_float_linear"))return t.context.FLOAT;{const e=t.context.getExtension("OES_texture_half_float");if(e&&t.context.getExtension("OES_texture_half_float_linear"))return e.HALF_FLOAT_OES}return t.context.UNSIGNED_BYTE}},e.getOpenGLDataType=function(n){let r=arguments.length>1&&void 0!==arguments[1]&&arguments[1];return t.openGLDataType&&!r||(t.openGLDataType=e.getDefaultDataType(n)),t.openGLDataType},e.getShiftAndScale=()=>{let e=0,n=1;switch(t.openGLDataType){case t.context.BYTE:n=127.5,e=n-128;break;case t.context.UNSIGNED_BYTE:n=255,e=0;break;case t.context.SHORT:n=32767.5,e=n-32768;break;case t.context.UNSIGNED_SHORT:n=65536,e=0;break;case t.context.INT:n=2147483647.5,e=n-2147483648;break;case t.context.UNSIGNED_INT:n=4294967295,e=0;case t.context.FLOAT:}return{shift:e,scale:n}},e.getOpenGLFilterMode=e=>{switch(e){case kd.NEAREST:return t.context.NEAREST;case kd.LINEAR:return t.context.LINEAR;case kd.NEAREST_MIPMAP_NEAREST:return t.context.NEAREST_MIPMAP_NEAREST;case kd.NEAREST_MIPMAP_LINEAR:return t.context.NEAREST_MIPMAP_LINEAR;case kd.LINEAR_MIPMAP_NEAREST:return t.context.LINEAR_MIPMAP_NEAREST;case kd.LINEAR_MIPMAP_LINEAR:return t.context.LINEAR_MIPMAP_LINEAR;default:return t.context.NEAREST}},e.getOpenGLWrapMode=e=>{switch(e){case Nd.CLAMP_TO_EDGE:return t.context.CLAMP_TO_EDGE;case Nd.REPEAT:return t.context.REPEAT;case Nd.MIRRORED_REPEAT:return t.context.MIRRORED_REPEAT;default:return t.context.CLAMP_TO_EDGE}},e.create2DFromRaw=function(a,i,s,l,c){let u=arguments.length>5&&void 0!==arguments[5]&&arguments[5];if(e.getOpenGLDataType(l,!0),e.getInternalFormat(l,s),e.getFormat(l,s),!t.internalFormat||!t.format||!t.openGLDataType)return Gd("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=s,t.width=a,t.height=i,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=[c],p=n(l,d),f=r(p);return t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,u),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(l)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=f[0]&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,f[0])):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,f[0]),t.generateMipmap&&t.context.generateMipmap(t.target),u&&t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,!1),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*s*t._openGLRenderWindow.getDefaultTextureByteSize(l,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.createCubeFromRaw=(a,i,s,l,c)=>{if(e.getOpenGLDataType(l),e.getInternalFormat(l,s),e.getFormat(l,s),!t.internalFormat||!t.format||!t.openGLDataType)return Gd("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_CUBE_MAP,t.components=s,t.width=a,t.height=i,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),t.maxLevel=c.length/6-1,e.createTexture(),e.bind();const u=r(n(l,c)),d=[];let p=t.width,f=t.height;for(let e=0;e=1&&a>=1;){let i=null;n<=t.maxLevel&&(i=d[6*n+e]),o(l)?null!=i&&t.context.texSubImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,0,0,r,a,t.format,t.openGLDataType,i):t.context.texImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,t.internalFormat,r,a,0,t.format,t.openGLDataType,i),n++,r/=2,a/=2}}return t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*s*t._openGLRenderWindow.getDefaultTextureByteSize(l,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.createDepthFromRaw=(n,r,a,i)=>(e.getOpenGLDataType(a),t.format=t.context.DEPTH_COMPONENT,t._openGLRenderWindow.getWebgl2()?a===Fd.FLOAT?t.internalFormat=t.context.DEPTH_COMPONENT32F:t.internalFormat=t.context.DEPTH_COMPONENT16:t.internalFormat=t.context.DEPTH_COMPONENT,t.internalFormat&&t.format&&t.openGLDataType?(t.target=t.context.TEXTURE_2D,t.components=1,t.width=n,t.height=r,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(a)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=i&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,i)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,i),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(a,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0):(Gd("Failed to determine texture parameters."),!1)),e.create2DFromImage=n=>{if(e.getOpenGLDataType(Fd.UNSIGNED_CHAR),e.getInternalFormat(Fd.UNSIGNED_CHAR,4),e.getFormat(Fd.UNSIGNED_CHAR,4),!t.internalFormat||!t.format||!t.openGLDataType)return Gd("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=4,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1);const r=!(t._openGLRenderWindow.getWebgl2()||Wo(n.width)&&Wo(n.height)),a=document.createElement("canvas");a.width=r?Uo(n.width):n.width,a.height=r?Uo(n.height):n.height,t.width=a.width,t.height=a.height;const i=a.getContext("2d");i.translate(0,a.height),i.scale(1,-1),i.drawImage(n,0,0,n.width,n.height,0,0,a.width,a.height);const s=a;return o(Fd.UNSIGNED_CHAR)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=s&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,s)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,s),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(Fd.UNSIGNED_CHAR,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.create2DFilterableFromRaw=function(t,n,r,o,a){let i=arguments.length>5&&void 0!==arguments[5]&&arguments[5];return e.create2DFilterableFromDataArray(t,n,Us.newInstance({numberOfComponents:r,dataType:o,values:a}),i)},e.create2DFilterableFromDataArray=function(t,n,r){let o=arguments.length>3&&void 0!==arguments[3]&&arguments[3];const{numComps:i,dataType:s,data:l}=a(r,o);e.create2DFromRaw(t,n,i,s,l)},e.create3DFromRaw=(a,i,s,l,c,u)=>{if(e.getOpenGLDataType(c),e.getInternalFormat(c,l),e.getFormat(c,l),!t.internalFormat||!t.format||!t.openGLDataType)return Gd("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_3D,t.components=l,t.width=a,t.height=i,t.depth=s,t.numberOfDimensions=3,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=r(n(c,[u],!0));return t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(c)?(t.context.texStorage3D(t.target,1,t.internalFormat,t.width,t.height,t.depth),null!=d[0]&&t.context.texSubImage3D(t.target,0,0,0,0,t.width,t.height,t.depth,t.format,t.openGLDataType,d[0])):t.context.texImage3D(t.target,0,t.internalFormat,t.width,t.height,t.depth,0,t.format,t.openGLDataType,d[0]),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(c,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.create3DFilterableFromRaw=function(t,n,r,o,a,i){let s=arguments.length>6&&void 0!==arguments[6]&&arguments[6];return e.create3DFilterableFromDataArray(t,n,r,Us.newInstance({numberOfComponents:o,dataType:a,values:i}),s)},e.create3DFilterableFromDataArray=function(n,r,i,s){let l=arguments.length>4&&void 0!==arguments[4]&&arguments[4];const{numComps:c,dataType:u,data:d,scaleOffsets:p}=a(s,l),f=n*r*i,g=[],m=[];for(let e=0;e1/e));for(let e=0;e{e[t]=n},y=Fd.UNSIGNED_CHAR;if(u===Fd.UNSIGNED_CHAR)for(let e=0;e{e[t]=(n-r)/o}):(y=Fd.UNSIGNED_CHAR,v=(e,t,n,r,o)=>{e[t]=255*(n-r)/o});if(e.getOpenGLDataType(y),e.getInternalFormat(y,c),e.getFormat(y,c),!t.internalFormat||!t.format||!t.openGLDataType)return Gd("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=c,t.depth=1,t.numberOfDimensions=2;let b=t.context.getParameter(t.context.MAX_TEXTURE_SIZE);b>4096&&(y===Fd.FLOAT||c>=3)&&(b=4096);let x=1,T=1;f>b*b&&(x=Math.ceil(Math.sqrt(f/(b*b))),T=x);let C=Math.sqrt(f)/x;C=Uo(C);const S=Math.floor(C*x/n),A=Math.ceil(i/S),P=Uo(r*A/T);let I;t.width=C,t.height=P,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.volumeInfo.xreps=S,t.volumeInfo.yreps=A,t.volumeInfo.xstride=x,t.volumeInfo.ystride=T,t.volumeInfo.offset=h.offset,t.volumeInfo.scale=h.scale;const w=C*P*c;I=y===Fd.FLOAT?new Float32Array(w):new Uint8Array(w);let O=0;const M=Math.floor(n/x),R=Math.floor(r/T);for(let e=0;e{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.getMaximumTextureSize=e=>e&&e.isCurrent()?e.getIntegerv(e.MAX_TEXTURE_SIZE):-1}const Hd={_openGLRenderWindow:null,_forceInternalFormat:!1,context:null,handle:0,sendParametersTime:null,textureBuildTime:null,numberOfDimensions:0,target:0,format:0,openGLDataType:0,components:0,width:0,height:0,depth:0,autoParameters:!0,wrapS:Nd.CLAMP_TO_EDGE,wrapT:Nd.CLAMP_TO_EDGE,wrapR:Nd.CLAMP_TO_EDGE,minificationFilter:kd.NEAREST,magnificationFilter:kd.NEAREST,minLOD:-1e3,maxLOD:1e3,baseLevel:0,maxLevel:1e3,generateMipmap:!1,useHalfFloat:!0,oglNorm16Ext:null,allocatedGPUMemoryInBytes:0};function jd(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Hd,n),Zt.extend(e,t,n),t.sendParametersTime={},yt(t.sendParametersTime,{mtime:0}),t.textureBuildTime={},yt(t.textureBuildTime,{mtime:0}),St(e,t,["format","openGLDataType"]),At(e,t,["keyMatrixTime","minificationFilter","magnificationFilter","wrapS","wrapT","wrapR","generateMipmap","oglNorm16Ext"]),xt(e,t,["width","height","volumeInfo","components","handle","target","allocatedGPUMemoryInBytes"]),Ot(0,t,["openGLRenderWindow"]),zd(e,t)}const Kd=Et(jd,"vtkOpenGLTexture");var $d={newInstance:Kd,extend:jd,...Ed};rn("vtkTexture",Kd);var qd="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexMC;\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// optional normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// material property values\n//VTK::Color::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// picking support\n//VTK::Picking::Dec\n\nvoid main()\n{\n //VTK::Color::Impl\n\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Clip::Impl\n\n //VTK::PrimID::Impl\n\n //VTK::PositionVC::Impl\n\n //VTK::Light::Impl\n\n //VTK::Picking::Impl\n}\n",Xd="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the polydata mappers fragment shader\n\nuniform int PrimitiveIDOffset;\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// optional color passed in from the vertex shader, vertexColor\n//VTK::Color::Dec\n\n// optional surface normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// Depth Peeling Support\n//VTK::DepthPeeling::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// label outline \n//VTK::LabelOutline::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n//VTK::LabelOutlineHelperFunction\n\nvoid main()\n{\n // VC position of this fragment. This should not branch/return/discard.\n //VTK::PositionVC::Impl\n\n // Place any calls that require uniform flow (e.g. dFdx) here.\n //VTK::UniformFlow::Impl\n\n // Set gl_FragDepth here (gl_FragCoord.z by default)\n //VTK::Depth::Impl\n\n // Early depth peeling abort:\n //VTK::DepthPeeling::PreColor\n\n // Apple Bug\n //VTK::PrimID::Impl\n\n //VTK::Clip::Impl\n\n //VTK::Color::Impl\n\n // Generate the normal if we are not passed in one\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Light::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n\n //VTK::DepthPeeling::Impl\n\n //VTK::Picking::Impl\n\n // handle coincident offsets\n //VTK::Coincident::Impl\n\n //VTK::ZBuffer::Impl\n\n //VTK::RenderPassFragmentShader::Impl\n}\n",Yd=function(e,t){e.replaceShaderCoincidentOffset=(n,r,o)=>{const a=e.getCoincidentParameters(r,o);if(a&&(0!==a.factor||0!==a.offset)){let e=n.Fragment;e=xd.substitute(e,"//VTK::Coincident::Dec",["uniform float cfactor;","uniform float coffset;"]).result,t.context.getExtension("EXT_frag_depth")&&(0!==a.factor?(e=xd.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=xd.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=xd.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + 0.000016*coffset;").result),t._openGLRenderWindow.getWebgl2()&&(0!==a.factor?(e=xd.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=xd.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=xd.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + 0.000016*coffset;").result),n.Fragment=e}}},Zd=function(e,t){e.applyShaderReplacements=(e,t,n)=>{let r=null;if(t&&(r=t.ShaderReplacements),r)for(let t=0;t{e.getReplacedShaderTemplate(n,r,o),t.lastRenderPassShaderReplacement=t.currentRenderPass?t.currentRenderPass.getShaderReplacement():null,t.lastRenderPassShaderReplacement&&t.lastRenderPassShaderReplacement(n);const a=t.renderable.getViewSpecificProperties().OpenGL;e.applyShaderReplacements(n,a,!0),e.replaceShaderValues(n,r,o),e.applyShaderReplacements(n,a)},e.getReplacedShaderTemplate=(n,r,o)=>{const a=t.renderable.getViewSpecificProperties().OpenGL;e.getShaderTemplate(n,r,o);let i=n.Vertex;if(a){const e=a.VertexShaderCode;void 0!==e&&""!==e&&(i=e)}n.Vertex=i;let s=n.Fragment;if(a){const e=a.FragmentShaderCode;void 0!==e&&""!==e&&(s=e)}n.Fragment=s;let l=n.Geometry;if(a){const e=a.GeometryShaderCode;void 0!==e&&(l=e)}n.Geometry=l}};const{FieldAssociations:Qd}=gl,{primTypes:Jd}=Md,{Representation:ep,Shading:tp}=xs,{ScalarMode:np}=fc,{Filter:rp,Wrap:op}=$d,{vtkErrorMacro:ap}=Kt,ip={type:"StartEvent"},sp={type:"EndEvent"},{CoordinateSystem:lp}=is;function cp(e,t){function n(e,t,n){return t.identity(n),e.reduce(((e,n,r)=>0===r?n?t.copy(e,n):t.identity(e):n?t.multiply(e,e,n):e),n)}t.classHierarchy.push("vtkOpenGLPolyDataMapper"),e.buildPass=n=>{n&&(t.currentRenderPass=null,t.openGLActor=e.getFirstAncestorOfType("vtkOpenGLActor"),t._openGLRenderer=t.openGLActor.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.openGLCamera=t._openGLRenderer.getViewNodeFor(t._openGLRenderer.getRenderable().getActiveCamera()))},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.render=()=>{const n=t._openGLRenderWindow.getContext();if(t.context!==n){t.context=n;for(let e=Jd.Start;e{e.Vertex=qd,e.Fragment=Xd,e.Geometry=""},e.replaceShaderColor=(e,n,r)=>{let o=e.Vertex,a=e.Geometry,i=e.Fragment;const s=t.lastBoundBO.getReferenceByName("lastLightComplexity");let l=["uniform float ambient;","uniform float diffuse;","uniform float specular;","uniform float opacityUniform; // the fragment opacity","uniform vec3 ambientColorUniform;","uniform vec3 diffuseColorUniform;"];s&&(l=l.concat(["uniform vec3 specularColorUniform;","uniform float specularPowerUniform;"]));let c=["vec3 ambientColor;"," vec3 diffuseColor;"," float opacity;"];s&&(c=c.concat([" vec3 specularColor;"," float specularPower;"])),c=c.concat([" ambientColor = ambientColorUniform;"," diffuseColor = diffuseColorUniform;"," opacity = opacityUniform;"]),s&&(c=c.concat([" specularColor = specularColorUniform;"," specularPower = specularPowerUniform;"])),0===t.lastBoundBO.getCABO().getColorComponents()||t.drawingEdges||(l=l.concat(["varying vec4 vertexColorVSOutput;"]),o=xd.substitute(o,"//VTK::Color::Dec",["attribute vec4 scalarColor;","varying vec4 vertexColorVSOutput;"]).result,o=xd.substitute(o,"//VTK::Color::Impl",["vertexColorVSOutput = scalarColor;"]).result,a=xd.substitute(a,"//VTK::Color::Dec",["in vec4 vertexColorVSOutput[];","out vec4 vertexColorGSOutput;"]).result,a=xd.substitute(a,"//VTK::Color::Impl",["vertexColorGSOutput = vertexColorVSOutput[i];"]).result),0===t.lastBoundBO.getCABO().getColorComponents()||t.drawingEdges?t.renderable.getInterpolateScalarsBeforeMapping()&&t.renderable.getColorCoordinates()&&!t.drawingEdges?i=xd.substitute(i,"//VTK::Color::Impl",c.concat([" vec4 texColor = texture2D(texture1, tcoordVCVSOutput.st);"," diffuseColor = texColor.rgb;"," ambientColor = texColor.rgb;"," opacity = opacity*texColor.a;"])).result:(r.getBackfaceProperty()&&!t.drawingEdges&&(l=l.concat(["uniform float opacityUniformBF; // the fragment opacity","uniform float ambientIntensityBF; // the material ambient","uniform float diffuseIntensityBF; // the material diffuse","uniform vec3 ambientColorUniformBF; // ambient material color","uniform vec3 diffuseColorUniformBF; // diffuse material color"]),s?(l=l.concat(["uniform float specularIntensityBF; // the material specular intensity","uniform vec3 specularColorUniformBF; // intensity weighted color","uniform float specularPowerUniformBF;"]),c=c.concat(["if (gl_FrontFacing == false) {"," ambientColor = ambientIntensityBF * ambientColorUniformBF;"," diffuseColor = diffuseIntensityBF * diffuseColorUniformBF;"," specularColor = specularIntensityBF * specularColorUniformBF;"," specularPower = specularPowerUniformBF;"," opacity = opacityUniformBF; }"])):c=c.concat(["if (gl_FrontFacing == false) {"," ambientColor = ambientIntensityBF * ambientColorUniformBF;"," diffuseColor = diffuseIntensityBF * diffuseColorUniformBF;"," opacity = opacityUniformBF; }"])),t.haveCellScalars&&!t.drawingEdges&&(l=l.concat(["uniform samplerBuffer texture1;"])),i=xd.substitute(i,"//VTK::Color::Impl",c).result):i=xd.substitute(i,"//VTK::Color::Impl",c.concat([" diffuseColor = vertexColorVSOutput.rgb;"," ambientColor = vertexColorVSOutput.rgb;"," opacity = opacity*vertexColorVSOutput.a;"])).result,i=xd.substitute(i,"//VTK::Color::Dec",l).result,e.Vertex=o,e.Geometry=a,e.Fragment=i},e.replaceShaderLight=(e,n,r)=>{let o=e.Fragment;const a=t.lastBoundBO.getReferenceByName("lastLightComplexity"),i=t.lastBoundBO.getReferenceByName("lastLightCount");let s=[];switch(a){case 0:o=xd.substitute(o,"//VTK::Light::Impl",[" gl_FragData[0] = vec4(ambientColor * ambient + diffuseColor * diffuse, opacity);"," //VTK::Light::Impl"],!1).result;break;case 1:o=xd.substitute(o,"//VTK::Light::Impl",[" float df = max(0.0, normalVCVSOutput.z);"," float sf = pow(df, specularPower);"," vec3 diffuseL = df * diffuseColor;"," vec3 specularL = sf * specularColor;"," gl_FragData[0] = vec4(ambientColor * ambient + diffuseL * diffuse + specularL * specular, opacity);"," //VTK::Light::Impl"],!1).result;break;case 2:for(let e=0;e= cos(radians(lightConeAngle${e})))`," {",` attenuation = attenuation * pow(coneDot, lightExponent${e});`," }"," else"," {"," attenuation = 0.0;"," }"," }"," }"," df = max(0.0, attenuation*dot(normalVCVSOutput, -vertLightDirectionVC));",` diffuseL += ((df) * lightColor${e});`," if (dot(normalVCVSOutput, vertLightDirectionVC) < 0.0)"," {",` float sf = sign(df)*attenuation*pow(max(1e-5,\n dot(reflect(lightDirectionVC${e},\n normalVCVSOutput),\n normalize(-vertexVC.xyz))),\n specularPower);`,` specularL += ((sf) * lightColor${e});`," }"]);s=s.concat([" diffuseL = diffuseL * diffuseColor;"," specularL = specularL * specularColor;"," gl_FragData[0] = vec4(ambientColor * ambient + diffuseL * diffuse + specularL * specular, opacity);"," //VTK::Light::Impl"]),o=xd.substitute(o,"//VTK::Light::Impl",s,!1).result;break;default:ap("bad light complexity")}e.Fragment=o},e.replaceShaderNormal=(e,n,r)=>{if(t.lastBoundBO.getReferenceByName("lastLightComplexity")>0){let n=e.Vertex,o=e.Geometry,a=e.Fragment;t.lastBoundBO.getCABO().getNormalOffset()?(n=xd.substitute(n,"//VTK::Normal::Dec",["attribute vec3 normalMC;","uniform mat3 normalMatrix;","varying vec3 normalVCVSOutput;"]).result,n=xd.substitute(n,"//VTK::Normal::Impl",["normalVCVSOutput = normalMatrix * normalMC;"]).result,o=xd.substitute(o,"//VTK::Normal::Dec",["in vec3 normalVCVSOutput[];","out vec3 normalVCGSOutput;"]).result,o=xd.substitute(o,"//VTK::Normal::Impl",["normalVCGSOutput = normalVCVSOutput[i];"]).result,a=xd.substitute(a,"//VTK::Normal::Dec",["varying vec3 normalVCVSOutput;"]).result,a=xd.substitute(a,"//VTK::Normal::Impl",["vec3 normalVCVSOutput = normalize(normalVCVSOutput);"," if (gl_FrontFacing == false) { normalVCVSOutput = -normalVCVSOutput; }"]).result):t.haveCellNormals?(a=xd.substitute(a,"//VTK::Normal::Dec",["uniform mat3 normalMatrix;","uniform samplerBuffer textureN;"]).result,a=xd.substitute(a,"//VTK::Normal::Impl",["vec3 normalVCVSOutput = normalize(normalMatrix *"," texelFetchBuffer(textureN, gl_PrimitiveID + PrimitiveIDOffset).xyz);"," if (gl_FrontFacing == false) { normalVCVSOutput = -normalVCVSOutput; }"]).result):t.lastBoundBO.getOpenGLMode(r.getProperty().getRepresentation())===t.context.LINES?(a=xd.substitute(a,"//VTK::UniformFlow::Impl",[" vec3 fdx = dFdx(vertexVC.xyz);"," vec3 fdy = dFdy(vertexVC.xyz);"," //VTK::UniformFlow::Impl"]).result,a=xd.substitute(a,"//VTK::Normal::Impl",["vec3 normalVCVSOutput;"," if (abs(fdx.x) > 0.0)"," { fdx = normalize(fdx); normalVCVSOutput = normalize(cross(vec3(fdx.y, -fdx.x, 0.0), fdx)); }"," else { fdy = normalize(fdy); normalVCVSOutput = normalize(cross(vec3(fdy.y, -fdy.x, 0.0), fdy));}"]).result):(a=xd.substitute(a,"//VTK::Normal::Dec",["uniform int cameraParallel;"]).result,a=xd.substitute(a,"//VTK::UniformFlow::Impl",[" vec3 fdx = dFdx(vertexVC.xyz);"," vec3 fdy = dFdy(vertexVC.xyz);"," //VTK::UniformFlow::Impl"]).result,a=xd.substitute(a,"//VTK::Normal::Impl",[" fdx = normalize(fdx);"," fdy = normalize(fdy);"," vec3 normalVCVSOutput = normalize(cross(fdx,fdy));"," if (cameraParallel == 1 && normalVCVSOutput.z < 0.0) { normalVCVSOutput = -1.0*normalVCVSOutput; }"," if (cameraParallel == 0 && dot(normalVCVSOutput,vertexVC.xyz) > 0.0) { normalVCVSOutput = -1.0*normalVCVSOutput; }"]).result),e.Vertex=n,e.Geometry=o,e.Fragment=a}},e.replaceShaderPositionVC=(e,n,r)=>{t.lastBoundBO.replaceShaderPositionVC(e,n,r);let o=e.Vertex,a=e.Geometry,i=e.Fragment;t.lastBoundBO.getReferenceByName("lastLightComplexity")>0?(o=xd.substitute(o,"//VTK::PositionVC::Dec",["varying vec4 vertexVCVSOutput;"]).result,o=xd.substitute(o,"//VTK::PositionVC::Impl",["vertexVCVSOutput = MCVCMatrix * vertexMC;"," gl_Position = MCPCMatrix * vertexMC;"]).result,o=xd.substitute(o,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;","uniform mat4 MCVCMatrix;"]).result,a=xd.substitute(a,"//VTK::PositionVC::Dec",["in vec4 vertexVCVSOutput[];","out vec4 vertexVCGSOutput;"]).result,a=xd.substitute(a,"//VTK::PositionVC::Impl",["vertexVCGSOutput = vertexVCVSOutput[i];"]).result,i=xd.substitute(i,"//VTK::PositionVC::Dec",["varying vec4 vertexVCVSOutput;"]).result,i=xd.substitute(i,"//VTK::PositionVC::Impl",["vec4 vertexVC = vertexVCVSOutput;"]).result):(o=xd.substitute(o,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,o=xd.substitute(o,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result),e.Vertex=o,e.Geometry=a,e.Fragment=i},e.replaceShaderTCoord=(e,n,r)=>{if(t.lastBoundBO.getCABO().getTCoordOffset()){let n=e.Vertex,r=e.Geometry,o=e.Fragment;if(t.drawingEdges)return;n=xd.substitute(n,"//VTK::TCoord::Impl","tcoordVCVSOutput = tcoordMC;").result;const a=t.openGLActor.getActiveTextures();let i=2,s=2;if(a&&a.length>0&&(i=a[0].getComponents(),a[0].getTarget()===t.context.TEXTURE_CUBE_MAP&&(s=3)),t.renderable.getColorTextureMap()&&(i=t.renderable.getColorTextureMap().getPointData().getScalars().getNumberOfComponents(),s=2),2===s){if(n=xd.substitute(n,"//VTK::TCoord::Dec","attribute vec2 tcoordMC; varying vec2 tcoordVCVSOutput;").result,r=xd.substitute(r,"//VTK::TCoord::Dec",["in vec2 tcoordVCVSOutput[];","out vec2 tcoordVCGSOutput;"]).result,r=xd.substitute(r,"//VTK::TCoord::Impl","tcoordVCGSOutput = tcoordVCVSOutput[i];").result,o=xd.substitute(o,"//VTK::TCoord::Dec",["varying vec2 tcoordVCVSOutput;","uniform sampler2D texture1;"]).result,a&&a.length>=1)switch(i){case 1:o=xd.substitute(o,"//VTK::TCoord::Impl",[" vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);"," ambientColor = ambientColor*tcolor.r;"," diffuseColor = diffuseColor*tcolor.r;"]).result;break;case 2:o=xd.substitute(o,"//VTK::TCoord::Impl",[" vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);"," ambientColor = ambientColor*tcolor.r;"," diffuseColor = diffuseColor*tcolor.r;"," opacity = opacity * tcolor.g;"]).result;break;default:o=xd.substitute(o,"//VTK::TCoord::Impl",[" vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);"," ambientColor = ambientColor*tcolor.rgb;"," diffuseColor = diffuseColor*tcolor.rgb;"," opacity = opacity * tcolor.a;"]).result}}else switch(n=xd.substitute(n,"//VTK::TCoord::Dec","attribute vec3 tcoordMC; varying vec3 tcoordVCVSOutput;").result,r=xd.substitute(r,"//VTK::TCoord::Dec",["in vec3 tcoordVCVSOutput[];","out vec3 tcoordVCGSOutput;"]).result,r=xd.substitute(r,"//VTK::TCoord::Impl","tcoordVCGSOutput = tcoordVCVSOutput[i];").result,o=xd.substitute(o,"//VTK::TCoord::Dec",["varying vec3 tcoordVCVSOutput;","uniform samplerCube texture1;"]).result,i){case 1:o=xd.substitute(o,"//VTK::TCoord::Impl",[" vec4 tcolor = textureCube(texture1, tcoordVCVSOutput);"," ambientColor = ambientColor*tcolor.r;"," diffuseColor = diffuseColor*tcolor.r;"]).result;break;case 2:o=xd.substitute(o,"//VTK::TCoord::Impl",[" vec4 tcolor = textureCube(texture1, tcoordVCVSOutput);"," ambientColor = ambientColor*tcolor.r;"," diffuseColor = diffuseColor*tcolor.r;"," opacity = opacity * tcolor.g;"]).result;break;default:o=xd.substitute(o,"//VTK::TCoord::Impl",[" vec4 tcolor = textureCube(texture1, tcoordVCVSOutput);"," ambientColor = ambientColor*tcolor.rgb;"," diffuseColor = diffuseColor*tcolor.rgb;"," opacity = opacity * tcolor.a;"]).result}e.Vertex=n,e.Geometry=r,e.Fragment=o}},e.replaceShaderClip=(e,n,r)=>{let o=e.Vertex,a=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){const e=t.renderable.getNumberOfClippingPlanes();o=xd.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;",`uniform vec4 clipPlanes[${e}];`,`varying float clipDistancesVSOutput[${e}];`]).result,o=xd.substitute(o,"//VTK::Clip::Impl",[`for (int planeNum = 0; planeNum < ${e}; planeNum++)`," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,a=xd.substitute(a,"//VTK::Clip::Dec",["uniform int numClipPlanes;",`varying float clipDistancesVSOutput[${e}];`]).result,a=xd.substitute(a,"//VTK::Clip::Impl",[`for (int planeNum = 0; planeNum < ${e}; planeNum++)`," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=a},e.getCoincidentParameters=(e,n)=>{let r={factor:0,offset:0};const o=n.getProperty();if(t.renderable.getResolveCoincidentTopology()||o.getEdgeVisibility()&&o.getRepresentation()===ep.SURFACE){const e=t.lastBoundBO.getPrimitiveType();e===Jd.Points||o.getRepresentation()===ep.POINTS?r=t.renderable.getCoincidentTopologyPointOffsetParameter():e===Jd.Lines||o.getRepresentation()===ep.WIREFRAME?r=t.renderable.getCoincidentTopologyLineOffsetParameters():e!==Jd.Tris&&e!==Jd.TriStrips||(r=t.renderable.getCoincidentTopologyPolygonOffsetParameters()),e!==Jd.TrisEdges&&e!==Jd.TriStripsEdges||(r=t.renderable.getCoincidentTopologyPolygonOffsetParameters(),r.factor/=2,r.offset/=2)}const a=t._openGLRenderer.getSelector();return a&&a.getFieldAssociation()===Qd.FIELD_ASSOCIATION_POINTS&&(r.offset-=2),r},e.replaceShaderPicking=(e,n,r)=>{let o=e.Fragment,a=e.Vertex;if(o=xd.substitute(o,"//VTK::Picking::Dec",["uniform int picking;","//VTK::Picking::Dec"]).result,t._openGLRenderer.getSelector()){switch(t.lastSelectionState!==Jl.ID_LOW24&&t.lastSelectionState!==Jl.ID_HIGH24||(a=xd.substitute(a,"//VTK::Picking::Dec",["flat out int vertexIDVSOutput;\n","uniform int VertexIDOffset;\n"]).result,a=xd.substitute(a,"//VTK::Picking::Impl"," vertexIDVSOutput = gl_VertexID + VertexIDOffset;\n").result,o=xd.substitute(o,"//VTK::Picking::Dec","flat in int vertexIDVSOutput;\n").result,o=xd.substitute(o,"//VTK::Picking::Impl",[" int idx = vertexIDVSOutput;","//VTK::Picking::Impl"]).result),t.lastSelectionState){case Jl.ID_LOW24:o=xd.substitute(o,"//VTK::Picking::Impl"," gl_FragData[0] = vec4(float(idx%256)/255.0, float((idx/256)%256)/255.0, float((idx/65536)%256)/255.0, 1.0);").result;break;case Jl.ID_HIGH24:o=xd.substitute(o,"//VTK::Picking::Impl"," gl_FragData[0] = vec4(float(idx)/255.0, 0.0, 0.0, 1.0);").result;break;default:o=xd.substitute(o,"//VTK::Picking::Dec","uniform vec3 mapperIndex;").result,o=xd.substitute(o,"//VTK::Picking::Impl"," gl_FragData[0] = picking != 0 ? vec4(mapperIndex,1.0) : gl_FragData[0];").result}e.Fragment=o,e.Vertex=a}},e.replaceShaderValues=(n,r,o)=>{if(e.replaceShaderColor(n,r,o),e.replaceShaderNormal(n,r,o),e.replaceShaderLight(n,r,o),e.replaceShaderTCoord(n,r,o),e.replaceShaderPicking(n,r,o),e.replaceShaderClip(n,r,o),e.replaceShaderCoincidentOffset(n,r,o),e.replaceShaderPositionVC(n,r,o),t.haveSeenDepthRequest){let e=n.Fragment;e=xd.substitute(e,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,e=xd.substitute(e,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result,n.Fragment=e}},e.getNeedToRebuildShaders=(e,n,r)=>{let o=0,a=0;const i=e.getPrimitiveType(),s=t.currentInput;let l=!1;const c=s.getPointData().getNormals(),u=s.getCellData().getNormals(),d=r.getProperty().getInterpolation()===tp.FLAT,p=r.getProperty().getRepresentation(),f=e.getOpenGLMode(p,i);if(f===t.context.TRIANGLES||u&&!c||!d&&c?l=!0:d||f!==t.context.LINES||(l=!0),r.getProperty().getLighting()&&l){o=0;const e=n.getLightsByReference();for(let t=0;t0&&(a++,0===o&&(o=1)),1===o&&(a>1||1!==n.getIntensity()||!n.lightTypeIsHeadLight())&&(o=2),o<3&&n.getPositional()&&(o=3)}}let g=!1;const m=t.lastBoundBO.getReferenceByName("lastLightComplexity"),h=t.lastBoundBO.getReferenceByName("lastLightCount");return m===o&&h===a||(t.lastBoundBO.set({lastLightComplexity:o},!0),t.lastBoundBO.set({lastLightCount:a},!0),g=!0),(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(g=!0),!!(t.lastHaveSeenDepthRequest!==t.haveSeenDepthRequest||e.getShaderSourceTime().getMTime(){const o=t.renderable.getViewSpecificProperties().ShadersCallbacks;o&&o.forEach((t=>{t.callback(t.userData,e,n,r)}))},e.setMapperShaderParameters=(n,r,o)=>{if(n.getProgram().isUniformUsed("PrimitiveIDOffset")&&n.getProgram().setUniformi("PrimitiveIDOffset",t.primitiveIDOffset),n.getProgram().isUniformUsed("VertexIDOffset")&&n.getProgram().setUniformi("VertexIDOffset",t.vertexIDOffset),n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())){const e=t.lastBoundBO.getReferenceByName("lastLightComplexity");n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,!1)||ap("Error setting vertexMC in shader VAO.")),n.getProgram().isAttributeUsed("normalMC")&&n.getCABO().getNormalOffset()&&e>0?n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"normalMC",n.getCABO().getNormalOffset(),n.getCABO().getStride(),t.context.FLOAT,3,!1)||ap("Error setting normalMC in shader VAO."):n.getVAO().removeAttributeArray("normalMC"),t.renderable.getCustomShaderAttributes().forEach(((e,r)=>{n.getProgram().isAttributeUsed(`${e}MC`)&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),`${e}MC`,n.getCABO().getCustomData()[r].offset,n.getCABO().getStride(),t.context.FLOAT,n.getCABO().getCustomData()[r].components,!1)||ap(`Error setting ${e}MC in shader VAO.`))})),n.getProgram().isAttributeUsed("tcoordMC")&&n.getCABO().getTCoordOffset()?n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"tcoordMC",n.getCABO().getTCoordOffset(),n.getCABO().getStride(),t.context.FLOAT,n.getCABO().getTCoordComponents(),!1)||ap("Error setting tcoordMC in shader VAO."):n.getVAO().removeAttributeArray("tcoordMC"),n.getProgram().isAttributeUsed("scalarColor")&&n.getCABO().getColorComponents()?n.getVAO().addAttributeArray(n.getProgram(),n.getCABO().getColorBO(),"scalarColor",n.getCABO().getColorOffset(),n.getCABO().getColorBOStride(),t.context.UNSIGNED_BYTE,4,!0)||ap("Error setting scalarColor in shader VAO."):n.getVAO().removeAttributeArray("scalarColor"),n.getAttributeUpdateTime().modified()}if(t.renderable.getNumberOfClippingPlanes()){const e=t.renderable.getNumberOfClippingPlanes(),r=[],a=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,i=a?d(t.tmpMat4,o.getMatrix()):o.getMatrix();a&&(m(i,i),b(i,i,a),m(i,i));for(let n=0;n{const o=t.lastBoundBO.getReferenceByName("lastLightComplexity");if(o<2)return;const a=e.getProgram();let i=0;const s=n.getLightsByReference();for(let e=0;e0){const e=r.getColorByReference(),o=r.getIntensity();t.lightColor[0]=e[0]*o,t.lightColor[1]=e[1]*o,t.lightColor[2]=e[2]*o;const s=r.getDirection(),l=n.getActiveCamera().getViewMatrix(),c=[...s];r.lightTypeIsSceneLight()&&(c[0]=l[0]*s[0]+l[1]*s[1]+l[2]*s[2],c[1]=l[4]*s[0]+l[5]*s[1]+l[6]*s[2],c[2]=l[8]*s[0]+l[9]*s[1]+l[10]*s[2],Qo(c)),t.lightDirection[0]=c[0],t.lightDirection[1]=c[1],t.lightDirection[2]=c[2],Qo(t.lightDirection),a.setUniform3fArray(`lightColor${i}`,t.lightColor),a.setUniform3fArray(`lightDirectionVC${i}`,t.lightDirection),i++}}if(o<3)return;const l=n.getActiveCamera().getViewMatrix();m(l,l),i=0;for(let e=0;e0){const e=t.getTransformedPosition(),n=new Float64Array(3);Ln(n,e,l),a.setUniform3fArray(`lightAttenuation${i}`,t.getAttenuationValuesByReference()),a.setUniformi(`lightPositional${i}`,t.getPositional()),a.setUniformf(`lightExponent${i}`,t.getExponent()),a.setUniformf(`lightConeAngle${i}`,t.getConeAngle()),a.setUniform3fArray(`lightPositionVC${i}`,[n[0],n[1],n[2]]),i++}}},e.setCameraShaderParameters=(e,a,i)=>{const s=e.getProgram(),l=t.openGLCamera.getKeyMatrices(a),c=a.getActiveCamera(),u=t.openGLCamera.getKeyMatrixTime().getMTime(),d=s.getLastCameraMTime(),p=e.getCABO().getCoordShiftAndScaleEnabled()?e.getCABO().getInverseShiftAndScaleMatrix():null,f=i.getIsIdentity(),m=f?{mcwc:null,normalMatrix:null}:t.openGLActor.getKeyMatrices();if(i.getCoordinateSystem()===lp.DISPLAY){const e=t._openGLRenderer.getTiledSizeAndOrigin();g(t.tmpMat4),t.tmpMat4[0]=2/e.usize,t.tmpMat4[12]=-1,t.tmpMat4[5]=2/e.vsize,t.tmpMat4[13]=-1,b(t.tmpMat4,t.tmpMat4,p),s.setUniformMatrix("MCPCMatrix",t.tmpMat4)}else s.setUniformMatrix("MCPCMatrix",n([l.wcpc,m.mcwc,p],r,t.tmpMat4));s.isUniformUsed("MCVCMatrix")&&s.setUniformMatrix("MCVCMatrix",n([l.wcvc,m.mcwc,p],r,t.tmpMat4)),s.isUniformUsed("normalMatrix")&&s.setUniformMatrix3x3("normalMatrix",n([l.normalMatrix,m.normalMatrix],o,t.tmpMat3)),d!==u&&(s.isUniformUsed("cameraParallel")&&s.setUniformi("cameraParallel",c.getParallelProjection()),s.setLastCameraMTime(u)),f||s.setLastCameraMTime(0)},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram();let a=r.getProperty(),i=a.getOpacity(),s=t.drawingEdges?a.getEdgeColorByReference():a.getAmbientColorByReference(),l=t.drawingEdges?a.getEdgeColorByReference():a.getDiffuseColorByReference(),c=t.drawingEdges?1:a.getAmbient(),u=t.drawingEdges?0:a.getDiffuse(),d=t.drawingEdges?0:a.getSpecular();const p=a.getSpecularPower();o.setUniformf("opacityUniform",i),o.setUniform3fArray("ambientColorUniform",s),o.setUniform3fArray("diffuseColorUniform",l),o.setUniformf("ambient",c),o.setUniformf("diffuse",u);const f=t.lastBoundBO.getReferenceByName("lastLightComplexity");if(f<1)return;let g=a.getSpecularColorByReference();if(o.setUniform3fArray("specularColorUniform",g),o.setUniformf("specularPowerUniform",p),o.setUniformf("specular",d),o.isUniformUsed("ambientIntensityBF")){if(a=r.getBackfaceProperty(),i=a.getOpacity(),s=a.getAmbientColor(),c=a.getAmbient(),l=a.getDiffuseColor(),u=a.getDiffuse(),g=a.getSpecularColor(),d=a.getSpecular(),o.setUniformf("ambientIntensityBF",c),o.setUniformf("diffuseIntensityBF",u),o.setUniformf("opacityUniformBF",i),o.setUniform3fArray("ambientColorUniformBF",s),o.setUniform3fArray("diffuseColorUniformBF",l),f<1)return;o.setUniformf("specularIntensityBF",d),o.setUniform3fArray("specularColorUniformBF",g),o.setUniformf("specularPowerUniformBF",p)}},e.updateMaximumPointCellIds=(e,n)=>{const r=t._openGLRenderer.getSelector();if(r){if(t.selectionWebGLIdsToVTKIds?.points?.length){const e=t.selectionWebGLIdsToVTKIds.points.length;r.setMaximumPointId(e-1)}if(t.selectionWebGLIdsToVTKIds?.cells?.length){const e=t.selectionWebGLIdsToVTKIds.cells.length;r.setMaximumCellId(e-1)}r.getFieldAssociation()===Qd.FIELD_ASSOCIATION_POINTS&&(t.pointPicking=!0)}},e.renderPieceStart=(n,r)=>{t.primitiveIDOffset=0,t.vertexIDOffset=0;const o=function(e){const t=e.getSelector();return t?t.getCurrentPass():Jl.MIN_KNOWN_PASS-1}(t._openGLRenderer);t.lastSelectionState!==o&&(t.selectionStateChanged.modified(),t.lastSelectionState=o),t._openGLRenderer.getSelector()&&t._openGLRenderer.getSelector().renderProp(r),e.updateBufferObjects(n,r),t.renderable.getColorTextureMap()&&t.internalColorTexture.activate(),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=r.getProperty().getRepresentation(),a=r.getProperty().getEdgeVisibility()&&o===ep.SURFACE,i=t._openGLRenderer.getSelector(),s=i&&i.getFieldAssociation()===Qd.FIELD_ASSOCIATION_POINTS&&(t.lastSelectionState===Jl.ID_LOW24||t.lastSelectionState===Jl.ID_HIGH24);for(let i=Jd.Start;i=0)||(t.lastBoundBO=t.primitives[i],t.primitiveIDOffset+=t.primitives[i].drawArrays(n,r,o,e),t.vertexIDOffset+=t.primitives[i].getCABO().getElementCount()))},e.renderPieceFinish=(e,n)=>{t.LastBoundBO&&t.LastBoundBO.getVAO().release(),t.renderable.getColorTextureMap()&&t.internalColorTexture.deactivate()},e.renderPiece=(n,r)=>{if(e.invokeEvent(ip),t.renderable.getStatic()||t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.invokeEvent(sp),!t.currentInput)return void ap("No input!");if(!t.currentInput.getPoints||!t.currentInput.getPoints().getNumberOfValues())return;const o=t.context,a=r.getProperty().getBackfaceCulling(),i=r.getProperty().getFrontfaceCulling();a||i?i?(t._openGLRenderWindow.enableCullFace(),o.cullFace(o.FRONT)):(t._openGLRenderWindow.enableCullFace(),o.cullFace(o.BACK)):t._openGLRenderWindow.disableCullFace(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():Ra(t.bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>{const o=t.VBOBuildTime.getMTime();return o{const o=t.currentInput;if(null===o)return;t.renderable.mapScalars(o,1);const a=t.renderable.getColorMapColors();t.haveCellScalars=!1;const i=t.renderable.getScalarMode();t.renderable.getScalarVisibility()&&(i!==np.USE_CELL_DATA&&i!==np.USE_CELL_FIELD_DATA&&i!==np.USE_FIELD_DATA&&o.getPointData().getScalars()||i===np.USE_POINT_FIELD_DATA||!a||(t.haveCellScalars=!0));let s=r.getProperty().getInterpolation()!==tp.FLAT?o.getPointData().getNormals():null;null===s&&o.getCellData().getNormals()&&(t.haveCellNormals=!0,s=o.getCellData().getNormals());const l=r.getProperty().getRepresentation();let c=o.getPointData().getTCoords();if(t.openGLActor.getActiveTextures()||(c=null),t.renderable.getColorCoordinates()){c=t.renderable.getColorCoordinates(),t.internalColorTexture||(t.internalColorTexture=$d.newInstance({resizable:!0}));const e=t.internalColorTexture;e.setMinificationFilter(rp.NEAREST),e.setMagnificationFilter(rp.NEAREST),e.setWrapS(op.CLAMP_TO_EDGE),e.setWrapT(op.CLAMP_TO_EDGE),e.setOpenGLRenderWindow(t._openGLRenderWindow);const n=t.renderable.getColorTextureMap(),r=n.getExtent(),o=n.getPointData().getScalars();e.create2DFromRaw(r[1]-r[0]+1,r[3]-r[2]+1,o.getNumberOfComponents(),o.getDataType(),o.getData()),e.activate(),e.sendParameters(),e.deactivate()}const u=`${o.getMTime()}A${l}B${o.getMTime()}C${s?s.getMTime():1}D${a?a.getMTime():1}E${r.getProperty().getEdgeVisibility()}F${c?c.getMTime():1}`;if(t.VBOBuildString!==u){const n={points:o.getPoints(),normals:s,tcoords:c,colors:a,cellOffset:0,vertexOffset:0,haveCellScalars:t.haveCellScalars,haveCellNormals:t.haveCellNormals,customAttributes:t.renderable.getCustomShaderAttributes().map((e=>o.getPointData().getArrayByName(e)))};t.renderable.getPopulateSelectionSettings()&&(t.selectionWebGLIdsToVTKIds={points:null,cells:null});const i=[{inRep:"verts",cells:o.getVerts()},{inRep:"lines",cells:o.getLines()},{inRep:"polys",cells:o.getPolys()},{inRep:"strips",cells:o.getStrips()},{inRep:"polys",cells:o.getPolys()},{inRep:"strips",cells:o.getStrips()}],d=r.getProperty().getEdgeVisibility()&&l===ep.SURFACE;for(let e=Jd.Start;e{let e=0;return t.primitives.forEach((t=>{e+=t.getAllocatedGPUMemoryInBytes()})),e}}const up={context:null,VBOBuildTime:0,VBOBuildString:null,primitives:null,primTypes:null,shaderRebuildString:null,tmpMat4:null,ambientColor:[],diffuseColor:[],specularColor:[],lightColor:[],lightDirection:[],lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastSelectionState:Jl.MIN_KNOWN_PASS-1,selectionStateChanged:null,selectionWebGLIdsToVTKIds:null,pointPicking:!1};function dp(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,up,n),Zt.extend(e,t,n),Yd(e,t,n),Zd(e,t,n),t.primitives=[],t.primTypes=Jd,t.tmpMat3=pe(new Float64Array(9)),t.tmpMat4=g(new Float64Array(16));for(let e=Jd.Start;e{t.lookupTable=zl.newInstance()},e.getColorModeAsString=()=>jt.enumToString(gp,t.colorMode),e.setColorModeToDefault=()=>e.setColorMode(0),e.setColorModeToMapScalars=()=>e.setColorMode(1),e.setColorModeToDirectScalars=()=>e.setColorMode(2),e.getScalarModeAsString=()=>jt.enumToString(mp,t.scalarMode),e.setScalarModeToDefault=()=>e.setScalarMode(0),e.setScalarModeToUsePointData=()=>e.setScalarMode(1),e.setScalarModeToUseCellData=()=>e.setScalarMode(2),e.setScalarModeToUsePointFieldData=()=>e.setScalarMode(3),e.setScalarModeToUseCellFieldData=()=>e.setScalarMode(4),e.setScalarModeToUseFieldData=()=>e.setScalarMode(5),e.getAbstractScalars=(e,n,r,o,a)=>{if(!e||!t.scalarVisibility)return{scalars:null,cellFLag:!1};let i=null,s=!1;if(n===mp.DEFAULT)i=e.getPointData().getScalars(),i||(i=e.getCellData().getScalars(),s=!0);else if(n===mp.USE_POINT_DATA)i=e.getPointData().getScalars();else if(n===mp.USE_CELL_DATA)i=e.getCellData().getScalars(),s=!0;else if(n===mp.USE_POINT_FIELD_DATA){const t=e.getPointData();i=r===hp.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}else if(n===mp.USE_CELL_FIELD_DATA){const t=e.getCellData();s=!0,i=r===hp.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}else if(n===mp.USE_FIELD_DATA){const t=e.getFieldData();i=r===hp.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}return{scalars:i,cellFlag:s}},e.getLookupTable=()=>(t.lookupTable||e.createDefaultLookupTable(),t.lookupTable),e.getMTime=()=>{let e=t.mtime;if(null!==t.lookupTable){const n=t.lookupTable.getMTime();e=n>e?n:e}return e},e.mapScalars=(n,r)=>{const o=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!o)return void(t.colorMapColors=null);const a=`${e.getMTime()}${o.getMTime()}${r}`;if(t.colorBuildString===a)return;t.useLookupTableScalarRange||e.getLookupTable().setRange(t.scalarRange[0],t.scalarRange[1]);const i=e.getLookupTable();i&&(i.build(),t.colorMapColors=i.mapScalars(o,t.colorMode,t.fieldDataTupleId)),t.colorBuildString=`${e.getMTime()}${o.getMTime()}${r}`},e.getPrimitiveCount=()=>{const t=e.getInputData();return{points:t.getPoints().getNumberOfValues()/3,verts:t.getVerts().getNumberOfValues()-t.getVerts().getNumberOfCells(),lines:t.getLines().getNumberOfValues()-2*t.getLines().getNumberOfCells(),triangles:t.getPolys().getNumberOfValues()-3*t.getPolys().getNumberOfCells()}}}const yp={static:!1,lookupTable:null,scalarVisibility:!1,scalarRange:[0,1],useLookupTableScalarRange:!1,colorMode:0,scalarMode:0,arrayAccessMode:1,renderTime:0,colorByArrayName:null,transformCoordinate:null,viewSpecificProperties:null,customShaderAttributes:[]};function bp(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,yp,n),Hs(e,t,n),jt.get(e,t,["colorMapColors"]),jt.setGet(e,t,["arrayAccessMode","colorByArrayName","colorMode","lookupTable","renderTime","scalarMode","scalarVisibility","static","transformCoordinate","useLookupTableScalarRange","viewSpecificProperties","customShaderAttributes"]),jt.setGetArray(e,t,["scalarRange"],2),t.viewSpecificProperties||(t.viewSpecificProperties={}),vp(e,t)}var xp={newInstance:jt.newInstance(bp,"vtkMapper2D"),extend:bp};const Tp={BACKGROUND:0,FOREGROUND:1};var Cp={DisplayLocation:Tp};const{primTypes:Sp}=Md,{ScalarMode:Ap}=xp,{vtkErrorMacro:Pp}=Kt,Ip={type:"StartEvent"},wp={type:"EndEvent"};function Op(e,t){t.classHierarchy.push("vtkOpenGLPolyDataMapper2D"),e.buildPass=n=>{n&&(t.openGLActor2D=e.getFirstAncestorOfType("vtkOpenGLActor2D"),t._openGLRenderer=t.openGLActor2D.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.openGLCamera=t._openGLRenderer.getViewNodeFor(t._openGLRenderer.getRenderable().getActiveCamera()))},e.overlayPass=t=>{t&&e.render()},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyData2DVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\n// all variables that represent positions or directions have a suffix\n// indicating the coordinate system they are in. The possible values are\n// MC - Model Coordinates\n// WC - WC world coordinates\n// VC - View Coordinates\n// DC - Display Coordinates\n\nin vec4 vertexWC;\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// material property values\n//VTK::Color::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\nuniform mat4 WCVCMatrix; // World to view matrix\n\nvoid main()\n{\n // Apple Bug\n //VTK::PrimID::Impl\n\n gl_Position = WCVCMatrix*vertexWC;\n\n //VTK::TCoord::Impl\n\n //VTK::Color::Impl\n\n //VTK::PositionVC::Impl\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyData2DFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nuniform int PrimitiveIDOffset;\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// Scalar coloring\n//VTK::Color::Dec\n\n// Depth Peeling\n//VTK::DepthPeeling::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\nvoid main()\n{\n // Apple Bug\n //VTK::PrimID::Impl\n\n //VTK::Color::Impl\n //VTK::TCoord::Impl\n\n //VTK::DepthPeeling::Impl\n //VTK::Picking::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n}\n",e.Geometry=""},e.render=()=>{const n=t._openGLRenderWindow.getContext();if(t.context!==n){t.context=n;for(let e=Sp.Start;e{e.invokeEvent(Ip),t.renderable.getStatic()||t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.invokeEvent(wp),t.currentInput?t.currentInput.getPoints&&t.currentInput.getPoints().getNumberOfValues()&&(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):Pp("No input!")},e.renderPieceStart=(n,r)=>{t.primitiveIDOffset=0,t._openGLRenderer.getSelector()&&(t._openGLRenderer.getSelector().getCurrentPass(),t._openGLRenderer.getSelector().renderProp(r)),e.updateBufferObjects(n,r),t.lastBoundBO=null},e.getNeedToRebuildShaders=(e,n,r)=>e.getShaderSourceTime().getMTime(){e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>{const o=t.VBOBuildTime.getMTime();return!!(o{const r=t.currentInput;if(null===r)return;t.renderable.mapScalars(r,n.getProperty().getOpacity());const o=t.renderable.getColorMapColors();t.haveCellScalars=!1;const a=t.renderable.getScalarMode();t.renderable.getScalarVisibility()&&(a!==Ap.USE_CELL_DATA&&a!==Ap.USE_CELL_FIELD_DATA&&a!==Ap.USE_FIELD_DATA&&r.getPointData().getScalars()||a===Ap.USE_POINT_FIELD_DATA||!o||(t.haveCellScalars=!0));const i=n.getProperty().getRepresentation();let s=r.getPointData().getTCoords();t.openGLActor2D.getActiveTextures()||(s=null);const l=t.renderable.getTransformCoordinate(),c=e.getRenderWindow().getViews()[0].getViewportSize(e),u=`${r.getMTime()}A${i}B${r.getMTime()}C${o?o.getMTime():1}D${s?s.getMTime():1}E${l?e.getMTime():1}F${c}`;if(t.VBOBuildString!==u){let n=r.getPoints();if(l){const t=Ic.newInstance(),r=n.getNumberOfPoints();t.setNumberOfPoints(r);const o=[];for(let a=0;ar.getPointData().getArrayByName(e)))};a.cellOffset+=t.primitives[Sp.Points].getCABO().createVBO(r.getVerts(),"verts",i,a),a.cellOffset+=t.primitives[Sp.Lines].getCABO().createVBO(r.getLines(),"lines",i,a),a.cellOffset+=t.primitives[Sp.Tris].getCABO().createVBO(r.getPolys(),"polys",i,a),a.cellOffset+=t.primitives[Sp.TriStrips].getCABO().createVBO(r.getStrips(),"strips",i,a),t.VBOBuildTime.modified(),t.VBOBuildString=u}},e.renderPieceDraw=(n,r)=>{const o=r.getProperty().getRepresentation();t.context.depthMask(!0);for(let a=Sp.Start;a{t.lastBoundBO&&t.lastBoundBO.getVAO().release()},e.replaceShaderValues=(t,n,r)=>{e.replaceShaderColor(t,n,r),e.replaceShaderTCoord(t,n,r),e.replaceShaderPicking(t,n,r),e.replaceShaderPositionVC(t,n,r)},e.replaceShaderColor=(e,n,r)=>{let o=e.Vertex,a=e.Geometry,i=e.Fragment;t.haveCellScalars&&(i=xd.substitute(i,"//VTK::Color::Dec",["uniform samplerBuffer texture1;"]).result,i=xd.substitute(i,"//VTK::Color::Impl",["gl_FragData[0] = texelFetchBuffer(texture1, gl_PrimitiveID + PrimitiveIDOffset);"]).result),0!==t.lastBoundBO.getCABO().getColorComponents()?(o=xd.substitute(o,"//VTK::Color::Dec",["in vec4 diffuseColor;","out vec4 fcolorVSOutput;"]).result,o=xd.substitute(o,"//VTK::Color::Impl",["fcolorVSOutput = diffuseColor;"]).result,a=xd.substitute(a,"//VTK::Color::Dec",["in vec4 fcolorVSOutput[];\n","out vec4 fcolorGSOutput;"]).result,a=xd.substitute(a,"//VTK::Color::Impl",["fcolorGSOutput = fcolorVSOutput[i];"]).result,i=xd.substitute(i,"//VTK::Color::Dec",["in vec4 fcolorVSOutput;"]).result,i=xd.substitute(i,"//VTK::Color::Impl",["gl_FragData[0] = fcolorVSOutput;"]).result):(i=xd.substitute(i,"//VTK::Color::Dec",["uniform vec4 diffuseColor;"]).result,i=xd.substitute(i,"//VTK::Color::Impl",["gl_FragData[0] = diffuseColor;"]).result),e.Vertex=o,e.Geometry=a,e.Fragment=i},e.replaceShaderTCoord=(e,n,r)=>{if(t.lastBoundBO.getCABO().getTCoordOffset()){let n=e.Vertex,r=e.Geometry,o=e.Fragment;const a=t.lastBoundBO.getCABO().getTCoordComponents();1===a?(n=xd.substitute(n,"//VTK::TCoord::Dec",["in float tcoordMC;","out float tcoordVCVSOutput;"]).result,n=xd.substitute(n,"//VTK::TCoord::Impl",["tcoordVCVSOutput = tcoordMC;"]).result,r=xd.substitute(r,"//VTK::TCoord::Dec",["in float tcoordVCVSOutput[];\n","out float tcoordVCGSOutput;"]).result,r=xd.substitute(r,["//VTK::TCoord::Impl","tcoordVCGSOutput = tcoordVCVSOutput[i];"]).result,o=xd.substitute(o,"//VTK::TCoord::Dec",["in float tcoordVCVSOutput;","uniform sampler2D texture1;"]).result,o=xd.substitute(o,"//VTK::TCoord::Impl",["gl_FragData[0] = gl_FragData[0]*texture2D(texture1, vec2(tcoordVCVSOutput,0));"]).result):2===a&&(n=xd.substitute(n,"//VTK::TCoord::Dec",["in vec2 tcoordMC;","out vec2 tcoordVCVSOutput;"]).result,n=xd.substitute(n,"//VTK::TCoord::Impl",["tcoordVCVSOutput = tcoordMC;"]).result,r=xd.substitute(r,"//VTK::TCoord::Dec",["in vec2 tcoordVCVSOutput[];\n","out vec2 tcoordVCGSOutput;"]).result,r=xd.substitute(r,"//VTK::TCoord::Impl",["tcoordVCGSOutput = tcoordVCVSOutput[i];"]).result,o=xd.substitute(o,"//VTK::TCoord::Dec",["in vec2 tcoordVCVSOutput;","uniform sampler2D texture1;"]).result,o=xd.substitute(o,"//VTK::TCoord::Impl",["gl_FragData[0] = gl_FragData[0]*texture2D(texture1, tcoordVCVSOutput.st);"]).result),t.haveCellScalars&&(r=xd.substitute(r,"//VTK::PrimID::Impl",["gl_PrimitiveID = gl_PrimitiveIDIn;"]).result),e.Vertex=n,e.Geometry=r,e.Fragment=o}},e.replaceShaderPicking=(e,t,n)=>{let r=e.Fragment;r=xd.substitute(r,"//VTK::Picking::Dec",["uniform vec3 mapperIndex;","uniform int picking;"]).result,r=xd.substitute(r,"//VTK::Picking::Impl"," gl_FragData[0] = picking != 0 ? vec4(mapperIndex,1.0) : gl_FragData[0];").result,e.Fragment=r},e.replaceShaderPositionVC=(e,n,r)=>{t.lastBoundBO.replaceShaderPositionVC(e,n,r)},e.invokeShaderCallbacks=(e,n,r)=>{const o=t.renderable.getViewSpecificProperties().ShadersCallbacks;o&&o.forEach((t=>{t.callback(t.userData,e,n,r)}))},e.setMapperShaderParameters=(e,n,r)=>{if(e.getProgram().isUniformUsed("PrimitiveIDOffset")&&e.getProgram().setUniformi("PrimitiveIDOffset",t.primitiveIDOffset),e.getProgram().isAttributeUsed("vertexWC")&&(e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),"vertexWC",e.getCABO().getVertexOffset(),e.getCABO().getStride(),t.context.FLOAT,3,!1)||Pp("Error setting vertexWC in shader VAO.")),e.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>e.getAttributeUpdateTime().getMTime()||e.getShaderSourceTime().getMTime()>e.getAttributeUpdateTime().getMTime())){t.renderable.getCustomShaderAttributes().forEach(((n,r)=>{e.getProgram().isAttributeUsed(`${n}MC`)&&(e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),`${n}MC`,e.getCABO().getCustomData()[r].offset,e.getCABO().getStride(),t.context.FLOAT,e.getCABO().getCustomData()[r].components,!1)||Pp(`Error setting ${n}MC in shader VAO.`))})),e.getProgram().isAttributeUsed("tcoordMC")&&e.getCABO().getTCoordOffset()?e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),"tcoordMC",e.getCABO().getTCoordOffset(),e.getCABO().getStride(),t.context.FLOAT,e.getCABO().getTCoordComponents(),!1)||Pp("Error setting tcoordMC in shader VAO."):e.getVAO().removeAttributeArray("tcoordMC"),t.internalColorTexture&&e.getProgram().isUniformUsed("texture1")&&e.getProgram().setUniformi("texture1",t.internalColorTexture.getTextureUnit());const o=t.openGLActor2D.getActiveTextures();if(o)for(let t=0;t{const o=t.renderable.getColorMapColors();if(!o||0===o.getNumberOfComponents()){const t=e.getProgram(),n=r.getProperty(),o=n.getOpacity(),a=n.getColor(),i=[a[0],a[1],a[2],o];t.setUniform4f("diffuseColor",i)}},e.setLightingShaderParameters=(e,t,n)=>{},e.setCameraShaderParameters=(e,n,o)=>{const a=e.getProgram(),i=e.getCABO().getCoordShiftAndScaleEnabled()?e.getCABO().getInverseShiftAndScaleMatrix():null,s=n.getRenderWindow().getViews()[0].getViewportSize(n),l=n.getViewport(),c=o.getActualPositionCoordinate().getComputedDoubleViewportValue(n),u=[0,0,1,1],d=[0,0,1,1];if(d[0]=l[0]>=u[0]?l[0]:u[0],d[1]=l[1]>=u[1]?l[1]:u[1],d[2]=l[2]<=u[2]?l[2]:u[2],d[3]=l[3]<=u[3]?l[3]:u[3],d[0]>=d[2])return;if(d[1]>=d[3])return;s[0]=Lo(s[0]*(d[2]-d[0])/(l[2]-l[0])),s[1]=Lo(s[1]*(d[3]-d[1])/(l[3]-l[1]));const p=t._openGLRenderer.getParent().getSize(),f=Lo(c[0]-(d[0]-l[0])*p[0]),h=Lo(c[1]-(d[1]-l[1])*p[1]),v=-f;let y=-f+s[0];const b=-h;let x=-h+s[1];v===y&&(y=v+1),b===x&&(x=b+1);const T=g(new Float64Array(16));var C,S,A;T[0]=2/(y-v),T[5]=2/(x-b),T[3]=-1*(y+v)/(y-v),T[7]=-1*(x+b)/(x-b),T[10]=0,T[11]=o.getProperty().getDisplayLocation()===Tp.FOREGROUND?-1:1,T[15]=1,m(T,T),a.setUniformMatrix("WCVCMatrix",(C=[T,i],S=r,A=t.tmpMat4,S.identity(A),C.reduce(((e,t,n)=>0===n?t?S.copy(e,t):S.identity(e):t?S.multiply(e,e,t):e),A)))},e.getAllocatedGPUMemoryInBytes=()=>{let e=0;return t.primitives.forEach((t=>{e+=t.getAllocatedGPUMemoryInBytes()})),e}}const Mp={context:null,VBOBuildTime:0,VBOBuildString:null,primitives:null,primTypes:null,shaderRebuildString:null};const Rp=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Mp,n),Zt.extend(e,t,n),Yd(e,t,n),Zd(e,t,n),t.primitives=[],t.primTypes=Sp,t.tmpMat4=g(new Float64Array(16));for(let e=Sp.Start;e{const n=e.getLastSize(),r=(n[0]/700)**.8,o=(n[1]/700)**.8,a=Math.min(r,o),i=e.getAxisTextStyle(),s=e.getTickTextStyle();Object.assign(i,t.axisTextStyle),Object.assign(s,t.tickTextStyle),i.fontSize=Math.max(24*a,12),e.getLastAspectRatio()>1?s.fontSize=Math.max(20*a,10):s.fontSize=Math.max(16*a,10);const l=e.updateTextureAtlas();e.setTopTitle(!1);const c=e.getBoxSizeByReference();if(e.getLastAspectRatio()>1)e.setTickLabelPixelOffset(.3*s.fontSize),l.titleWidth<=l.tickWidth+e.getTickLabelPixelOffset()+.8*s.fontSize?(e.setTopTitle(!0),e.setAxisTitlePixelOffset(.2*s.fontSize),c[0]=2*(l.tickWidth+e.getTickLabelPixelOffset()+.8*s.fontSize)/n[0],e.setBoxPosition([.98-c[0],-.92])):(e.setAxisTitlePixelOffset(.2*s.fontSize),c[0]=2*(l.titleHeight+e.getAxisTitlePixelOffset()+l.tickWidth+e.getTickLabelPixelOffset()+.8*s.fontSize)/n[0],e.setBoxPosition([.99-c[0],-.92])),c[1]=Math.max(1.2,Math.min(1.84/o,1.84));else{e.setAxisTitlePixelOffset(1.2*s.fontSize),e.setTickLabelPixelOffset(.1*s.fontSize);const t=2*(.8*s.fontSize+l.titleHeight+e.getAxisTitlePixelOffset())/n[1],r=2*l.tickWidth/n[0];c[0]=Math.min(1.9,Math.max(1.4,1.4*r*(e.getTicks().length+3))),c[1]=t,e.setBoxPosition([-.5*c[0],-.97])}e.recomputeBarSegments(l)}}function Lp(e,t){return e=>{const t=e.getLastTickBounds(),n=yo().domain([t[0],t[1]]),r=n.ticks(5),o=n.tickFormat(5);e.setTicks(r),e.setTickStrings(r.map(o))}}function Bp(e,t){t.classHierarchy.push("vtkScalarBarActorHelper"),e.setRenderable=n=>{t.renderable!==n&&(t.renderable=n,t.barActor.setProperty(n.getProperty()),t.barActor.setParentProp(n),t.barActor.setCoordinateSystemToDisplay(),t.tmActor.setProperty(n.getProperty()),t.tmActor.setParentProp(n),t.tmActor.setCoordinateSystemToDisplay(),t.generateTicks=n.generateTicks,t.axisTextStyle={...n.getAxisTextStyle()},t.tickTextStyle={...n.getTickTextStyle()},e.modified())},e.updateAPISpecificData=(n,r,o)=>{t.lastSize[0]===n[0]&&t.lastSize[1]===n[1]||(t.lastSize[0]=n[0],t.lastSize[1]=n[1],t.lastAspectRatio=n[0]/n[1],t.forceUpdate=!0);const a=t.renderable.getScalarsToColors();if(a&&t.renderable.getVisibility()&&(t.barMapper.setLookupTable(a),t.camera=r,t.renderWindow=o,t.forceUpdate||Math.max(a.getMTime(),e.getMTime(),t.renderable.getMTime())>t.lastRebuildTime.getMTime())){const n=a.getMappingRange();if(t.lastTickBounds=[...n],t.renderable.getGenerateTicks()(e),t.renderable.getAutomated())t.renderable.getAutoLayout()(e);else{t.axisTextStyle={...t.renderable.getAxisTextStyle()},t.tickTextStyle={...t.renderable.getTickTextStyle()},t.barPosition=[...t.renderable.getBarPosition()],t.barSize=[...t.renderable.getBarSize()],t.boxPosition=[...t.renderable.getBoxPosition()],t.boxSize=[...t.renderable.getBoxSize()],t.axisTitlePixelOffset=t.renderable.getAxisTitlePixelOffset(),t.tickLabelPixelOffset=t.renderable.getTickLabelPixelOffset();const n=e.updateTextureAtlas();e.recomputeBarSegments(n)}e.updatePolyDataForLabels(),e.updatePolyDataForBarSegments(),t.lastRebuildTime.modified(),t.forceUpdate=!1}},e.updateTextureAtlas=()=>{t.tmContext.textBaseline="bottom",t.tmContext.textAlign="left";const n={},r=new Map;let o=0,a=1;Ep(t.tmContext,t.axisTextStyle);let i=t.tmContext.measureText(t.renderable.getAxisLabel()),s={height:i.actualBoundingBoxAscent+2,startingHeight:a,width:i.width+2,textStyle:t.axisTextStyle};r.set(t.renderable.getAxisLabel(),s),a+=s.height,o=s.width,n.titleWidth=s.width,n.titleHeight=s.height,n.tickWidth=0,n.tickHeight=0,Ep(t.tmContext,t.tickTextStyle);const l=[...e.getTickStrings(),"NaN","Below","Above"];for(let e=0;e{e.tcoords=[0,(a-e.startingHeight-e.height)/a,e.width/o,(a-e.startingHeight-e.height)/a,e.width/o,(a-e.startingHeight)/a,0,(a-e.startingHeight)/a]})),t.tmCanvas.width=o,t.tmCanvas.height=a,t.tmContext.textBaseline="bottom",t.tmContext.textAlign="left",t.tmContext.clearRect(0,0,o,a),r.forEach(((e,n)=>{Ep(t.tmContext,e.textStyle),t.tmContext.fillText(n,1,e.startingHeight+e.height-1)})),t.tmTexture.setCanvas(t.tmCanvas),t.tmTexture.modified(),t._tmAtlas=r,n},e.computeBarSize=e=>{t.vertical=t.boxSize[1]>t.boxSize[0];const n=2*e.tickHeight/t.lastSize[1],r=[1,1];if(t.vertical){const o=2*(e.tickWidth+t.tickLabelPixelOffset)/t.lastSize[0];if(t.topTitle){const n=2*(e.titleHeight+t.axisTitlePixelOffset)/t.lastSize[1];t.barSize[0]=t.boxSize[0]-o,t.barSize[1]=t.boxSize[1]-n}else{const n=2*(e.titleHeight+t.axisTitlePixelOffset)/t.lastSize[0];t.barSize[0]=t.boxSize[0]-n-o,t.barSize[1]=t.boxSize[1]}t.barPosition[0]=t.boxPosition[0]+o,t.barPosition[1]=t.boxPosition[1],r[1]=n}else{const n=(2*e.tickWidth-8)/t.lastSize[0],o=2*(e.titleHeight+t.axisTitlePixelOffset)/t.lastSize[1];t.barSize[0]=t.boxSize[0],t.barPosition[0]=t.boxPosition[0],t.barSize[1]=t.boxSize[1]-o,t.barPosition[1]=t.boxPosition[1],r[0]=n}return r},e.recomputeBarSegments=n=>{const r=e.computeBarSize(n);t.barSegments=[];const o=[0,0],a=t.vertical?1:0,i=t.vertical?.01:.02;function s(e,n){t.barSegments.push({corners:[[...o],[o[0]+r[0],o[1]],[o[0]+r[0],o[1]+r[1]],[o[0],o[1]+r[1]]],scalars:n,title:e}),o[a]+=r[a]+i}t.renderable.getDrawNanAnnotation()&&t.renderable.getScalarsToColors().getNanColor()&&s("NaN",[NaN,NaN,NaN,NaN]),t.renderable.getDrawBelowRangeSwatch()&&t.renderable.getScalarsToColors().getUseBelowRangeColor?.()&&s("Below",[-.1,-.1,-.1,-.1]);const l=t.renderable.getScalarsToColors().getUseAboveRangeColor?.();o[a]+=i;const c=r[a];r[a]=l?1-2*i-r[a]-o[a]:1-i-o[a],s("ticks",t.vertical?[0,0,.995,.995]:[0,.995,.995,0]),t.renderable.getDrawAboveRangeSwatch()&&l&&(r[a]=c,o[a]+=i,s("Above",[1.1,1.1,1.1,1.1]))};const n=new Float64Array(3);e.createPolyDataForOneLabel=(e,r,o,a,i,s)=>{const l=t._tmAtlas.get(e);if(!l)return;let c=s.ptIdx,u=s.cellIdx;n[0]=(.5*r[0]+.5)*t.lastSize[0],n[1]=(.5*r[1]+.5)*t.lastSize[1],n[2]=r[2],n[0]+=i[0],n[1]+=i[1];const d=[],p="vertical"===a?[1,0]:[0,1];"vertical"===a?(d[0]=l.width,d[1]=-l.height,"middle"===o[0]?n[1]-=l.width/2:"right"===o[0]&&(n[1]-=l.width),"middle"===o[1]?n[0]+=l.height/2:"top"===o[1]&&(n[0]+=l.height)):(d[0]=l.width,d[1]=l.height,"middle"===o[0]?n[0]-=l.width/2:"right"===o[0]&&(n[0]-=l.width),"middle"===o[1]?n[1]-=l.height/2:"top"===o[1]&&(n[1]-=l.height)),s.points[3*c]=n[0],s.points[3*c+1]=n[1],s.points[3*c+2]=n[2],s.tcoords[2*c]=l.tcoords[0],s.tcoords[2*c+1]=l.tcoords[1],c++,n[p[0]]+=d[0],s.points[3*c]=n[0],s.points[3*c+1]=n[1],s.points[3*c+2]=n[2],s.tcoords[2*c]=l.tcoords[2],s.tcoords[2*c+1]=l.tcoords[3],c++,n[p[1]]+=d[1],s.points[3*c]=n[0],s.points[3*c+1]=n[1],s.points[3*c+2]=n[2],s.tcoords[2*c]=l.tcoords[4],s.tcoords[2*c+1]=l.tcoords[5],c++,n[p[0]]-=d[0],s.points[3*c]=n[0],s.points[3*c+1]=n[1],s.points[3*c+2]=n[2],s.tcoords[2*c]=l.tcoords[6],s.tcoords[2*c+1]=l.tcoords[7],c++,s.polys[4*u]=3,s.polys[4*u+1]=c-4,s.polys[4*u+2]=c-3,s.polys[4*u+3]=c-2,u++,s.polys[4*u]=3,s.polys[4*u+1]=c-4,s.polys[4*u+2]=c-2,s.polys[4*u+3]=c-1,s.ptIdx+=4,s.cellIdx+=2};const r=new Float64Array(3);e.updatePolyDataForLabels=()=>{const n=e.getTickStrings().length+t.barSegments.length,o=4*n,a=2*n,i=new Float64Array(3*o),s=new Uint16Array(4*a),l=new Float32Array(2*o),c={ptIdx:0,cellIdx:0,polys:s,points:i,tcoords:l},u=t.vertical?0:1,d=t.vertical?1:0;r[2]=-.99;const p=t.vertical?["right","middle"]:["middle","bottom"];let f=[0,1];const g=[0,0];t.vertical?(g[0]=-t.tickLabelPixelOffset,t.topTitle?(r[0]=t.boxPosition[0]+.5*t.boxSize[0],r[1]=t.barPosition[1]+t.barSize[1],e.createPolyDataForOneLabel(t.renderable.getAxisLabel(),r,["middle","bottom"],"horizontal",[0,t.axisTitlePixelOffset],c)):(r[0]=t.barPosition[0]+t.barSize[0],r[1]=t.barPosition[1]+.5*t.barSize[1],e.createPolyDataForOneLabel(t.renderable.getAxisLabel(),r,["middle","top"],"vertical",[t.axisTitlePixelOffset,0],c)),f=[-1,0]):(g[1]=t.tickLabelPixelOffset,r[0]=t.barPosition[0]+.5*t.barSize[0],r[1]=t.barPosition[1]+t.barSize[1],e.createPolyDataForOneLabel(t.renderable.getAxisLabel(),r,["middle","bottom"],"horizontal",[0,t.axisTitlePixelOffset],c)),r[u]=t.barPosition[u]+(.5*f[u]+.5)*t.barSize[u],r[d]=t.barPosition[d]+.5*t.barSize[d];let m=null;for(let n=0;n{const e=t.renderable.getScalarsToColors();let n=0;t.renderable.getDrawNanAnnotation()&&e.getNanColor()&&(n+=1),t.renderable.getDrawBelowRangeSwatch()&&e.getUseBelowRangeColor?.()&&(n+=1),t.renderable.getDrawAboveRangeSwatch()&&e.getUseAboveRangeColor?.()&&(n+=1);const o=4*(1+n),a=o;let i=1;e.getVectorMode()===Vp.COMPONENT&&(i=e.getVectorComponent()+1);const s=new Float64Array(3*o),l=new Uint16Array(5*a),c=new Float32Array(o*i);let u=0,d=0;for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{renderable:null};Object.assign(t,{},n),jt.obj(e,t),jt.setGet(e,t,["axisTitlePixelOffset","tickLabelPixelOffset","renderable","topTitle","ticks","tickStrings"]),jt.get(e,t,["lastSize","lastAspectRatio","lastTickBounds","axisTextStyle","tickTextStyle","barActor","tmActor"]),jt.getArray(e,t,["boxPosition","boxSize"]),jt.setArray(e,t,["boxPosition","boxSize"],2),t.forceUpdate=!1,t.lastRebuildTime={},jt.obj(t.lastRebuildTime,{mtime:0}),t.lastSize=[-1,-1],t.tmCanvas=document.createElement("canvas"),t.tmContext=t.tmCanvas.getContext("2d"),t._tmAtlas=new Map,t.barMapper=fc.newInstance(),t.barMapper.setInterpolateScalarsBeforeMapping(!0),t.barMapper.setUseLookupTableScalarRange(!0),t.polyData=Pu.newInstance(),t.barMapper.setInputData(t.polyData),t.barActor=Ps.newInstance(),t.barActor.setMapper(t.barMapper),t.tmPolyData=Pu.newInstance(),t.tmMapper=fc.newInstance(),t.tmMapper.setInputData(t.tmPolyData),t.tmTexture=Ru.newInstance({resizable:!0}),t.tmTexture.setInterpolate(!1),t.tmActor=Ps.newInstance({parentProp:e}),t.tmActor.setMapper(t.tmMapper),t.tmActor.addTexture(t.tmTexture),t.barPosition=[0,0],t.barSize=[0,0],t.boxPosition=[.88,-.92],t.boxSize=[.1,1.1],t.lastTickBounds=[],Bp(e,t)}),"vtkScalarBarActorHelper");function kp(e,t){t.classHierarchy.push("vtkScalarBarActor"),e.setTickTextStyle=n=>{t.tickTextStyle={...t.tickTextStyle,...n},e.modified()},e.setAxisTextStyle=n=>{t.axisTextStyle={...t.axisTextStyle,...n},e.modified()},e.resetAutoLayoutToDefault=()=>{e.setAutoLayout(Dp(0,t))},e.resetGenerateTicksToDefault=()=>{e.setGenerateTicks(Lp())}}function Fp(e){return{automated:!0,autoLayout:null,axisLabel:"Scalar Value",barPosition:[0,0],barSize:[0,0],boxPosition:[.88,-.92],boxSize:[.1,1.1],scalarToColors:null,axisTitlePixelOffset:36,axisTextStyle:{fontColor:"white",fontStyle:"normal",fontSize:18,fontFamily:"serif"},tickLabelPixelOffset:14,tickTextStyle:{fontColor:"white",fontStyle:"normal",fontSize:14,fontFamily:"serif"},generateTicks:null,drawNanAnnotation:!0,drawBelowRangeSwatch:!0,drawAboveRangeSwatch:!0,...e}}function _p(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fp(n)),t.autoLayout||(t.autoLayout=Dp(0,t)),t.generateTicks||(t.generateTicks=Lp()),Ps.extend(e,t,n),e.getProperty().setDiffuse(0),e.getProperty().setAmbient(1),jt.setGet(e,t,["automated","autoLayout","axisTitlePixelOffset","axisLabel","scalarsToColors","tickLabelPixelOffset","generateTicks","drawNanAnnotation","drawBelowRangeSwatch","drawAboveRangeSwatch"]),jt.get(e,t,["axisTextStyle","tickTextStyle"]),jt.getArray(e,t,["barPosition","barSize","boxPosition","boxSize"]),jt.setArray(e,t,["barPosition","barSize","boxPosition","boxSize"],2),kp(e,t)}var Gp={newInstance:jt.newInstance(_p,"vtkScalarBarActor"),extend:_p,newScalarBarActorHelper:Np};function Up(e,t){t.classHierarchy.push("vtkOpenGLScalarBarActor"),e.buildPass=n=>{n&&(t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.scalarBarActorHelper.getRenderable()||t.scalarBarActorHelper.setRenderable(t.renderable),e.prepareNodes(),e.addMissingNode(t.scalarBarActorHelper.getBarActor()),e.addMissingNode(t.scalarBarActorHelper.getTmActor()),e.removeUnusedNodes())},e.opaquePass=(e,n)=>{if(e){const e=t._openGLRenderer?t._openGLRenderer.getRenderable().getActiveCamera():null,n=t._openGLRenderer.getTiledSizeAndOrigin();t.scalarBarActorHelper.updateAPISpecificData([n.usize,n.vsize],e,t._openGLRenderWindow.getRenderable())}}}const Wp={};const zp=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Wp,n),Zt.extend(e,t,n),t.scalarBarActorHelper=Gp.newScalarBarActorHelper(),Up(e,t)}),"vtkOpenGLScalarBarActor");rn("vtkScalarBarActor",zp);const{vtkErrorMacro:Hp}=Kt;function jp(e,t){t.classHierarchy.push("vtkOpenGLSkybox"),e.buildPass=n=>{if(n){t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.openGLTexture.setOpenGLRenderWindow(t._openGLRenderWindow);const n=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera())}},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;n.incrementOpaqueActorCount()}},e.opaquePass=(n,r)=>{if(n&&!t._openGLRenderer.getSelector()){e.updateBufferObjects(),t.context.depthMask(!0),t._openGLRenderWindow.getShaderCache().readyShaderProgram(t.tris.getProgram()),t.openGLTexture.render(t._openGLRenderWindow);const n=t.openGLTexture.getTextureUnit();t.tris.getProgram().setUniformi("sbtexture",n);const r=t._openGLRenderer.getRenderable(),o=t.openGLCamera.getKeyMatrices(r),a=new Float64Array(16);if(h(a,o.wcpc),t.tris.getProgram().setUniformMatrix("IMCPCMatrix",a),"box"===t.lastFormat){const e=r.getActiveCamera().getPosition();t.tris.getProgram().setUniform3f("camPos",e[0],e[1],e[2])}t.tris.getVAO().bind(),t.context.drawArrays(t.context.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.openGLTexture.deactivate()}},e.updateBufferObjects=()=>{if(!t.tris.getCABO().getElementCount()){const e=new Float32Array(12);for(let t=0;t<4;t++)e[3*t]=t%2*2-1,e[3*t+1]=t>1?1:-1,e[3*t+2]=1;const n=Us.newInstance({numberOfComponents:3,values:e});n.setName("points");const r=new Uint16Array(8);r[0]=3,r[1]=0,r[2]=1,r[3]=3,r[4]=3,r[5]=0,r[6]=3,r[7]=2;const o=Us.newInstance({numberOfComponents:1,values:r});t.tris.getCABO().createVBO(o,"polys",ps.SURFACE,{points:n,cellOffset:0})}t.renderable.getFormat()!==t.lastFormat&&(t.lastFormat=t.renderable.getFormat(),"box"===t.lastFormat&&t.tris.setProgram(t._openGLRenderWindow.getShaderCache().readyShaderProgramArray("//VTK::System::Dec\n attribute vec3 vertexMC;\n uniform mat4 IMCPCMatrix;\n varying vec3 TexCoords;\n void main () {\n gl_Position = vec4(vertexMC.xyz, 1.0);\n vec4 wpos = IMCPCMatrix * gl_Position;\n TexCoords = wpos.xyz/wpos.w;\n }","//VTK::System::Dec\n //VTK::Output::Dec\n varying vec3 TexCoords;\n uniform samplerCube sbtexture;\n uniform vec3 camPos;\n void main () {\n // skybox looks from inside out\n // which means we have to adjust\n // our tcoords. Otherwise text would\n // be flipped\n vec3 tc = normalize(TexCoords - camPos);\n if (abs(tc.z) < max(abs(tc.x),abs(tc.y)))\n {\n tc = vec3(1.0, 1.0, -1.0) * tc;\n }\n else\n {\n tc = vec3(-1.0, 1.0, 1.0) * tc;\n }\n gl_FragData[0] = textureCube(sbtexture, tc);\n }","")),"background"===t.lastFormat&&t.tris.setProgram(t._openGLRenderWindow.getShaderCache().readyShaderProgramArray("//VTK::System::Dec\n attribute vec3 vertexMC;\n uniform mat4 IMCPCMatrix;\n varying vec2 TexCoords;\n void main () {\n gl_Position = vec4(vertexMC.xyz, 1.0);\n vec4 wpos = IMCPCMatrix * gl_Position;\n TexCoords = vec2(vertexMC.x, vertexMC.y)*0.5 + 0.5;\n }","//VTK::System::Dec\n //VTK::Output::Dec\n varying vec2 TexCoords;\n uniform sampler2D sbtexture;\n void main () {\n gl_FragData[0] = texture2D(sbtexture, TexCoords);\n }","")),t.tris.getShaderSourceTime().modified(),t.tris.getVAO().bind(),t.tris.getVAO().addAttributeArray(t.tris.getProgram(),t.tris.getCABO(),"vertexMC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Hp("Error setting vertexMC in shader VAO."));const e=t.renderable.getTextures();e.length||Hp("vtkSkybox requires a texture map"),t.openGLTexture.getRenderable()!==e[0]&&(t.openGLTexture.releaseGraphicsResources(t._openGLRenderWindow),t.openGLTexture.setRenderable(e[0]))}}const Kp={context:null};const $p=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Kp,n),Zt.extend(e,t,n),t.openGLTexture=$d.newInstance(),t.tris=Md.newInstance(),t.keyMatrixTime={},yt(t.keyMatrixTime,{mtime:0}),t.keyMatrices={normalMatrix:pe(new Float64Array(9)),mcwc:g(new Float64Array(16))},At(e,t,["context"]),xt(e,t,["activeTextures"]),jp(e,t)}));rn("vtkSkybox",$p);const{FieldAssociations:qp}=gl;function Xp(e,t){t.classHierarchy.push("vtkHardwareSelector"),e.getSourceDataAsync=async(e,t,n,r,o)=>{},e.selectAsync=async(t,n,r,o,a)=>{const i=await e.getSourceDataAsync(t,n,r,o,a);return i?i.generateSelection(n,r,o,a):[]}}const Yp={fieldAssociation:qp.FIELD_ASSOCIATION_CELLS,captureZValues:!1};function Zp(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Yp,n),jt.obj(e,t),jt.setGet(e,t,["fieldAssociation","captureZValues"]),Xp(e,t)}var Qp={newInstance:jt.newInstance(Zp,"vtkHardwareSelector"),extend:Zp};function Jp(e,t){t.classHierarchy.push("vtkFramebuffer"),e.getBothMode=()=>t.context.FRAMEBUFFER,e.saveCurrentBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.saveCurrentBindings(n),e.saveCurrentBuffers(n)},e.saveCurrentBindings=e=>{if(!t.context)return void et("you must set the OpenGLRenderWindow before calling saveCurrentBindings");const n=t.context;t.previousDrawBinding=n.getParameter(t.context.FRAMEBUFFER_BINDING),t.previousActiveFramebuffer=t._openGLRenderWindow.getActiveFramebuffer()},e.saveCurrentBuffers=e=>{},e.restorePreviousBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.restorePreviousBindings(n),e.restorePreviousBuffers(n)},e.restorePreviousBindings=e=>{if(!t.context)return void et("you must set the OpenGLRenderWindow before calling restorePreviousBindings");const n=t.context;n.bindFramebuffer(n.FRAMEBUFFER,t.previousDrawBinding),t._openGLRenderWindow.setActiveFramebuffer(t.previousActiveFramebuffer)},e.restorePreviousBuffers=e=>{},e.bind=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,r=n;null===r&&(r=t.context.FRAMEBUFFER),t.context.bindFramebuffer(r,t.glFramebuffer);for(let e=0;e{t.context?(t.glFramebuffer=t.context.createFramebuffer(),t.glFramebuffer.width=e,t.glFramebuffer.height=n):et("you must set the OpenGLRenderWindow before calling create")},e.setColorBuffer=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const r=t.context;if(!r)return void et("you must set the OpenGLRenderWindow before calling setColorBuffer");let o=r.COLOR_ATTACHMENT0;if(n>0){if(!t._openGLRenderWindow.getWebgl2())return void et("Using multiple framebuffer attachments requires WebGL 2");o+=n}t.colorBuffers[n]=e,r.framebufferTexture2D(r.FRAMEBUFFER,o,r.TEXTURE_2D,e.getHandle(),0)},e.removeColorBuffer=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;const n=t.context;if(!n)return void et("you must set the OpenGLRenderWindow before calling removeColorBuffer");let r=n.COLOR_ATTACHMENT0;if(e>0){if(!t._openGLRenderWindow.getWebgl2())return void et("Using multiple framebuffer attachments requires WebGL 2");r+=e}n.framebufferTexture2D(n.FRAMEBUFFER,r,n.TEXTURE_2D,null,0),t.colorBuffers=t.colorBuffers.splice(e,1)},e.setDepthBuffer=e=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const n=t.context;n.framebufferTexture2D(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.TEXTURE_2D,e.getHandle(),0)}else et("Attaching depth buffer textures to fbo requires WebGL 2");else et("you must set the OpenGLRenderWindow before calling setDepthBuffer")},e.removeDepthBuffer=()=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const e=t.context;e.framebufferTexture2D(e.FRAMEBUFFER,e.DEPTH_ATTACHMENT,e.TEXTURE_2D,null,0)}else et("Attaching depth buffer textures to framebuffers requires WebGL 2");else et("you must set the OpenGLRenderWindow before calling removeDepthBuffer")},e.getGLFramebuffer=()=>t.glFramebuffer,e.setOpenGLRenderWindow=n=>{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.releaseGraphicsResources=()=>{t.glFramebuffer&&t.context.deleteFramebuffer(t.glFramebuffer)},e.getSize=()=>{const e=[0,0];return null!==t.glFramebuffer&&(e[0]=t.glFramebuffer.width,e[1]=t.glFramebuffer.height),e},e.populateFramebuffer=()=>{if(!t.context)return void et("you must set the OpenGLRenderWindow before calling populateFrameBuffer");e.bind();const n=t.context,r=$d.newInstance();r.setOpenGLRenderWindow(t._openGLRenderWindow),r.setMinificationFilter(Vd.LINEAR),r.setMagnificationFilter(Vd.LINEAR),r.create2DFromRaw(t.glFramebuffer.width,t.glFramebuffer.height,4,ws.UNSIGNED_CHAR,null),e.setColorBuffer(r),t.depthTexture=n.createRenderbuffer(),n.bindRenderbuffer(n.RENDERBUFFER,t.depthTexture),n.renderbufferStorage(n.RENDERBUFFER,n.DEPTH_COMPONENT16,t.glFramebuffer.width,t.glFramebuffer.height),n.framebufferRenderbuffer(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.RENDERBUFFER,t.depthTexture)},e.getColorTexture=()=>t.colorBuffers[0]}const ef={glFramebuffer:null,colorBuffers:null,depthTexture:null,previousDrawBinding:0,previousReadBinding:0,previousDrawBuffer:0,previousReadBuffer:0,previousActiveFramebuffer:null};function tf(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ef,n),yt(e,t),t.colorBuffers&&et("you cannot initialize colorBuffers through the constructor. 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n?n[4*(t*(r[2]-r[0]+1)+e)+3]:0}function mf(e,t,n,r){if(!n)return 0;const o=4*(t*(r[2]-r[0]+1)+e),a=n[o],i=n[o+1];return 256*(256*n[o+2]+i)+a}function hf(e,t){let n=t;return n<<=24,n|=e,n}function vf(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]e.area[2]||t[1]e.area[3])return null;const n=[t[0]-e.area[0],t[1]-e.area[1]],o=mf(n[0],n[1],e.pixBuffer[lf.ACTOR_PASS],e.area);if(o<=0||o-1>=e.props.length)return null;const a={valid:!0};a.propID=o-1,a.prop=e.props[a.propID];let i=mf(n[0],n[1],e.pixBuffer[lf.COMPOSITE_INDEX_PASS],e.area);if((i<0||i>16777215)&&(i=0),a.compositeID=i-1,e.captureZValues){const r=4*(n[1]*(e.area[2]-e.area[0]+1)+n[0]);a.zValue=(256*e.zBuffer[r]+e.zBuffer[r+1])/65535,a.displayPosition=t}if(e.pixBuffer[lf.ID_LOW24]&&0===gf(n[0],n[1],e.pixBuffer[lf.ID_LOW24],e.area))return a;const s=mf(n[0],n[1],e.pixBuffer[lf.ID_LOW24],e.area),l=mf(n[0],n[1],e.pixBuffer[lf.ID_HIGH24],e.area);return a.attributeID=hf(s,l),a}const a=[t[0],t[1]],i=[0,0];let s=vf(e,t,0,r);if(s&&s.valid)return s;for(let t=1;tt?a[1]-t:0;n<=a[1]+t;++n){if(i[1]=n,a[0]>=t&&(i[0]=a[0]-t,s=vf(e,i,0,r),s&&s.valid))return s;if(i[0]=a[0]+t,s=vf(e,i,0,r),s&&s.valid)return s}for(let n=a[0]>=t?a[0]-(t-1):0;n<=a[0]+(t-1);++n){if(i[0]=n,a[1]>=t&&(i[1]=a[1]-t,s=vf(e,i,0,r),s&&s.valid))return s;if(i[1]=a[1]+t,s=vf(e,i,0,r),s&&s.valid)return s}}return r[0]=t[0],r[1]=t[1],null}function yf(e,t,n,r,o){const a=[];let i=0;return t.forEach(((t,s)=>{const l=sf.newInstance();switch(l.setContentType(cf.INDICES),e){case df.FIELD_ASSOCIATION_CELLS:l.setFieldType(uf.CELL);break;case df.FIELD_ASSOCIATION_POINTS:l.setFieldType(uf.POINT);break;default:pf("Unknown field association")}l.getProperties().propID=t.info.propID,l.getProperties().prop=t.info.prop,l.getProperties().compositeID=t.info.compositeID,l.getProperties().attributeID=t.info.attributeID,l.getProperties().pixelCount=t.pixelCount,n&&(l.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],l.getProperties().worldPosition=o.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,r)),l.setSelectionList(t.attributeIDs),a[i]=l,i++})),a}function bf(e,t,n,r,o){const a=Math.floor(t),i=Math.floor(n),s=Math.floor(r),l=Math.floor(o),c=new Map,u=[0,0];for(let t=i;t<=l;t++)for(let n=a;n<=s;n++){const r=vf(e,[n,t],0,u);if(r&&r.valid){const t=ff(r);if(c.has(t)){const n=c.get(t);n.pixelCount++,e.captureZValues&&r.zValue{t.rawPixBuffer=[],t.pixBuffer=[],t.zBuffer=null},e.beginSelection=()=>{t._openGLRenderer=t._openGLRenderWindow.getViewNodeFor(t._renderer),t.maxAttributeId=0;const n=t._openGLRenderWindow.getSize();if(t.framebuffer){t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers();const e=t.framebuffer.getSize();e[0]!==n[0]||e[1]!==n[1]?(t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer()):t.framebuffer.bind()}else t.framebuffer=nf.newInstance(),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer();if(t._openGLRenderer.clear(),t._openGLRenderer.setSelector(e),t.hitProps={},t.propPixels={},t.props=[],e.releasePixBuffers(),t.fieldAssociation===df.FIELD_ASSOCIATION_POINTS){const e=t._openGLRenderWindow.getContext(),n=e.isEnabled(e.BLEND);e.disable(e.BLEND),t._openGLRenderWindow.traverseAllPasses(),n&&e.enable(e.BLEND)}},e.endSelection=()=>{t.hitProps={},t._openGLRenderer.setSelector(null),t.framebuffer.restorePreviousBindingsAndBuffers()},e.preCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending=e.isEnabled(e.BLEND),e.disable(e.BLEND)},e.postCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending&&e.enable(e.BLEND)},e.select=()=>{let n=null;return e.captureBuffers()&&(n=e.generateSelection(t.area[0],t.area[1],t.area[2],t.area[3]),e.releasePixBuffers()),n},e.getSourceDataAsync=async(n,r,o,a,i)=>{if(t._renderer=n,void 0===r){const n=t._openGLRenderWindow.getSize();e.setArea(0,0,n[0]-1,n[1]-1)}else e.setArea(r,o,a,i);if(!e.captureBuffers())return!1;const s={area:[...t.area],pixBuffer:[...t.pixBuffer],captureZValues:t.captureZValues,zBuffer:t.zBuffer,props:[...t.props],fieldAssociation:t.fieldAssociation,renderer:n,openGLRenderWindow:t._openGLRenderWindow,generateSelection:function(){for(var e=arguments.length,t=new Array(e),n=0;n{if(!t._renderer||!t._openGLRenderWindow)return pf("Renderer and view must be set before calling 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e.endSelection(),t._renderer.setBackground(t.originalBackground),e.invokeEvent({type:"EndEvent"}),!0},e.processPixelBuffers=()=>{t.props.forEach(((n,r)=>{e.isPropHit(r)&&n.processSelectorPixelBuffers(e,t.propPixels[r])}))},e.passRequired=e=>{if(e===lf.ID_HIGH24){if(t.fieldAssociation===df.FIELD_ASSOCIATION_POINTS)return t.maximumPointId>16777215;if(t.fieldAssociation===df.FIELD_ASSOCIATION_CELLS)return t.maximumCellId>16777215}return!0},e.savePixelBuffer=n=>{if(t.pixBuffer[n]=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),!t.rawPixBuffer[n]){const e=(t.area[2]-t.area[0]+1)*(t.area[3]-t.area[1]+1)*4;t.rawPixBuffer[n]=new Uint8Array(e),t.rawPixBuffer[n].set(t.pixBuffer[n])}if(n===lf.ACTOR_PASS){if(t.captureZValues){const e=t._openGLRenderWindow.getRenderPasses();if("function"==typeof e[0].requestDepth&&"function"==typeof e[0].getFramebuffer){const n=e[0].getFramebuffer();n.saveCurrentBindingsAndBuffers(),n.bind(),t.zBuffer=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),n.restorePreviousBindingsAndBuffers()}}e.buildPropHitList(t.rawPixBuffer[n])}},e.buildPropHitList=e=>{let n=0;for(let r=0;r<=t.area[3]-t.area[1];r++)for(let o=0;o<=t.area[2]-t.area[0];o++){let a=mf(o,r,e,t.area);a>0&&(a--,a in 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i=mf(e[0],e[1],t.pixBuffer[lf.COMPOSITE_INDEX_PASS],t.area);if((i<0||i>16777215)&&(i=0),a.compositeID=i-1,t.captureZValues){const r=4*(e[1]*(t.area[2]-t.area[0]+1)+e[0]);a.zValue=(256*t.zBuffer[r]+t.zBuffer[r+1])/65535,a.displayPosition=n}if(t.pixBuffer[lf.ID_LOW24]&&0===gf(e[0],e[1],t.pixBuffer[lf.ID_LOW24],t.area))return a;const s=mf(e[0],e[1],t.pixBuffer[lf.ID_LOW24],t.area),l=mf(e[0],e[1],t.pixBuffer[lf.ID_HIGH24],t.area);return a.attributeID=hf(s,l),a}const i=[n[0],n[1]],s=[0,0];let l=e.getPixelInformation(n,0,o);if(l&&l.valid)return l;for(let t=1;tt?i[1]-t:0;n<=i[1]+t;++n){if(s[1]=n,i[0]>=t&&(s[0]=i[0]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[0]=i[0]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}for(let n=i[0]>=t?i[0]-(t-1):0;n<=i[0]+(t-1);++n){if(s[0]=n,i[1]>=t&&(s[1]=i[1]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[1]=i[1]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}}return 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x=n[r],T=n[r+1],C=n[r+2],S=n[r+3];e[0]=x*o+T*l+C*p+S*h,e[1]=x*a+T*c+C*f+S*v,e[2]=x*i+T*u+C*g+S*y,e[3]=x*s+T*d+C*m+S*b,x=n[r+4],T=n[r+5],C=n[r+6],S=n[r+7],e[4]=x*o+T*l+C*p+S*h,e[5]=x*a+T*c+C*f+S*v,e[6]=x*i+T*u+C*g+S*y,e[7]=x*s+T*d+C*m+S*b,x=n[r+8],T=n[r+9],C=n[r+10],S=n[r+11],e[8]=x*o+T*l+C*p+S*h,e[9]=x*a+T*c+C*f+S*v,e[10]=x*i+T*u+C*g+S*y,e[11]=x*s+T*d+C*m+S*b,x=n[r+12],T=n[r+13],C=n[r+14],S=n[r+15],e[12]=x*o+T*l+C*p+S*h,e[13]=x*a+T*c+C*f+S*v,e[14]=x*i+T*u+C*g+S*y,e[15]=x*s+T*d+C*m+S*b},e.replaceShaderNormal=(e,r,o)=>{if(t.hardwareSupport&&t.lastBoundBO.getReferenceByName("lastLightComplexity")>0){let n=e.Vertex;t.lastBoundBO.getCABO().getNormalOffset()&&(n=xd.substitute(n,"//VTK::Normal::Dec",["attribute vec3 normalMC;","attribute mat3 gNormal;","uniform mat3 normalMatrix;","varying vec3 normalVCVSOutput;"]).result,n=xd.substitute(n,"//VTK::Normal::Impl",["normalVCVSOutput = normalMatrix * gNormal * 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MCVCMatrix;"]).result):(n=xd.substitute(n,"//VTK::Camera::Dec",["attribute mat4 gMatrix;","uniform mat4 MCPCMatrix;"]).result,n=xd.substitute(n,"//VTK::PositionVC::Impl",["vec4 gVertexMC = gMatrix * vertexMC;"," gl_Position = MCPCMatrix * gVertexMC;"]).result),e.Vertex=n}n.replaceShaderPositionVC(e,r,o)},e.replaceShaderPicking=(e,r,o)=>{if(t.hardwareSupport){let t=e.Fragment,n=e.Vertex;n=xd.substitute(n,"//VTK::Picking::Dec",["attribute vec3 mapperIndexVS;","varying vec3 mapperIndexVSOutput;"]).result,n=xd.substitute(n,"//VTK::Picking::Impl"," mapperIndexVSOutput = mapperIndexVS;").result,e.Vertex=n,t=xd.substitute(t,"//VTK::Picking::Dec",["varying vec3 mapperIndexVSOutput;","uniform vec3 mapperIndex;","uniform int picking;"]).result,t=xd.substitute(t,"//VTK::Picking::Impl",[" vec4 pickColor = picking == 2 ? vec4(mapperIndexVSOutput,1.0) : vec4(mapperIndex,1.0);"," gl_FragData[0] = picking != 0 ? pickColor : gl_FragData[0];"]).result,e.Fragment=t}else n.replaceShaderPicking(e,r,o)},e.updateGlyphShaderParameters=(n,r,o,a,i,s,l,c)=>{const u=o.getProgram();if(n){const e=t.normalMatrix,n=s,r=9*l,o=t.tmpMat3,a=e[0],i=e[1],c=e[2],d=e[3],p=e[4],f=e[5],g=e[6],m=e[7],h=e[8],v=n[r],y=n[r+1],b=n[r+2],x=n[r+3],T=n[r+4],C=n[r+5],S=n[r+6],A=n[r+7],P=n[r+8];o[0]=v*a+y*d+b*g,o[1]=v*i+y*p+b*m,o[2]=v*c+y*f+b*h,o[3]=x*a+T*d+C*g,o[4]=x*i+T*p+C*m,o[5]=x*c+T*f+C*h,o[6]=S*a+A*d+P*g,o[7]=S*i+A*p+P*m,o[8]=S*c+A*f+P*h,u.setUniformMatrix3x3("normalMatrix",t.tmpMat3)}if(e.multiply4x4WithOffset(t.tmpMat4,t.mcpcMatrix,i,16*l),u.setUniformMatrix("MCPCMatrix",t.tmpMat4),r&&(e.multiply4x4WithOffset(t.tmpMat4,t.mcvcMatrix,i,16*l),u.setUniformMatrix("MCVCMatrix",t.tmpMat4)),a){const e=a.getData();t.tmpColor[0]=e[4*l]/255,t.tmpColor[1]=e[4*l+1]/255,t.tmpColor[2]=e[4*l+2]/255,u.setUniform3fArray("ambientColorUniform",t.tmpColor),u.setUniform3fArray("diffuseColorUniform",t.tmpColor)}c&&u.setUniform3fArray("mapperIndex",c.getPropColorValue())},e.renderPieceDraw=(n,r)=>{const o=r.getProperty().getRepresentation(),a=t.context,i=r.getProperty().getEdgeVisibility()&&o===Pf.SURFACE,s=t.openGLCamera.getKeyMatrices(n),l=t.openGLActor.getKeyMatrices();ve(t.normalMatrix,s.normalMatrix,l.normalMatrix),b(t.mcpcMatrix,s.wcpc,l.mcwc),b(t.mcvcMatrix,s.wcvc,l.mcwc);const c=t.renderable.getMatrixArray(),u=t.renderable.getNormalArray(),d=t.renderable.getColorArray(),p=c.length/16;let f=!1;t._openGLRenderer.getSelector()&&t._openGLRenderer.getSelector().getCurrentPass()===wf.COMPOSITE_INDEX_PASS&&(f=!0);for(let s=t.primTypes.Start;s{if(e.getCABO().getElementCount()&&(t.glyphBOBuildTime.getMTime()>e.getAttributeUpdateTime().getMTime()||e.getShaderSourceTime().getMTime()>e.getAttributeUpdateTime().getMTime()))return e.getProgram().isAttributeUsed("gMatrix")?e.getVAO().addAttributeMatrixWithDivisor(e.getProgram(),t.matrixBuffer,"gMatrix",0,64,t.context.FLOAT,4,!1,1)||Af("Error setting gMatrix in shader VAO."):e.getVAO().removeAttributeArray("gMatrix"),e.getProgram().isAttributeUsed("gNormal")?e.getVAO().addAttributeMatrixWithDivisor(e.getProgram(),t.normalBuffer,"gNormal",0,36,t.context.FLOAT,3,!1,1)||Af("Error setting gNormal in shader VAO."):e.getVAO().removeAttributeArray("gNormal"),e.getProgram().isAttributeUsed("gColor")?e.getVAO().addAttributeArrayWithDivisor(e.getProgram(),t.colorBuffer,"gColor",0,4,t.context.UNSIGNED_BYTE,4,!0,1,!1)||Af("Error setting gColor in shader 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e=t.renderable.getMatrixArray(),n=t.renderable.getNormalArray(),r=t.renderable.getColorArray();if(t.matrixBuffer||(t.matrixBuffer=ad.newInstance(),t.matrixBuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.normalBuffer=ad.newInstance(),t.normalBuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorBuffer=ad.newInstance(),t.colorBuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.pickBuffer=ad.newInstance(),t.pickBuffer.setOpenGLRenderWindow(t._openGLRenderWindow)),t.renderable.getBuildTime().getMTime()>t.glyphBOBuildTime.getMTime()){t.matrixBuffer.upload(e,If.ARRAY_BUFFER),t.normalBuffer.upload(n,If.ARRAY_BUFFER),r?t.colorBuffer.upload(r.getData(),If.ARRAY_BUFFER):t.colorBuffer.releaseGraphicsResources();const o=e.length/16,a=new Uint8Array(4*o);for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Vf,n),fp.extend(e,t,n),t.tmpMat3=pe(new Float64Array(9)),t.normalMatrix=pe(new Float64Array(9)),t.mcpcMatrix=g(new Float64Array(16)),t.mcvcMatrix=g(new Float64Array(16)),t.tmpColor=[],t.glyphBOBuildTime={},yt(t.glyphBOBuildTime,{mtime:0}),Rf(e,t)}),"vtkOpenGLGlyph3DMapper");rn("vtkGlyph3DMapper",Ef);const{vtkErrorMacro:Df}=jt;class Lf{constructor(){this.segmentMapping={},this.segments=[null],this.faces=[]}addSegment(e){const t=e[0],n=e[e.length-1];if(t===n||e.length<2)return;const r=this.segmentMapping[t],o=this.segmentMapping[n];if(void 0!==r&&void 0!==o)if(Math.abs(r)===Math.abs(o)){const a=r0)for(let t=1;t0){const t=this.segments[r];for(let n=1;n0){const n=this.segments[o];for(let t=1;t{const n=e[0];if(!n)return void Df("Invalid or missing input");const r=Pu.newInstance();r.shallowCopy(n);const o=new Lf,a=n.getLines().getData();let i=0;for(;i2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Nf,n),jt.obj(e,t),jt.algo(e,t,1,1),Bf(e,t)}var Ff={newInstance:jt.newInstance(kf,"vtkClosedPolyLineToSurfaceFilter"),extend:kf};const{vtkErrorMacro:_f}=Kt;function Gf(e,t){t.classHierarchy.push("vtkCutter");const n={...e};e.getMTime=()=>{let e=n.getMTime();return t.cutFunction?(e=Math.max(e,t.cutFunction.getMTime()),e):e},e.requestData=(e,n)=>{const r=e[0];if(!r)return void _f("Invalid or missing input");if(!t.cutFunction)return void _f("Missing cut function");const o=Pu.newInstance();(function(e,n){const r=e.getPoints(),o=r.getData(),a=r.getNumberOfPoints(),i=[],s=[],l=[];(!t.cutScalars||t.cutScalars.length0;let r=!0;for(let t=1;t0!==e){r=!1;break}if(r)continue;const a=[];for(let e=0;e0;if(g[r]>0===i)continue;let s=e,l=r,c=g[l]-g[s];c<=0&&(s=r,l=e,c*=-1);let u=0;0!==c&&(u=(t.cutValue-g[s])/c);const d=n.cell[s],m=n.cell[l];p[0]=o[3*d],p[1]=o[3*d+1],p[2]=o[3*d+2],f[0]=o[3*m],f[1]=o[3*m+1],f[2]=o[3*m+2];const h=[p[0]+u*(f[0]-p[0]),p[1]+u*(f[1]-p[1]),p[2]+u*(f[2]-p[2])];a.push({pointEdge1:d,pointEdge2:m,intersectedPoint:h,newPointID:-1})}for(let e=0;e2&&(l.push(c),a.forEach((e=>{l.push(e.newPointID)})))}n.getPoints().setData(it(r.getDataType(),i),3),0!==s.length&&n.getLines().setData(Uint16Array.from(s)),0!==l.length&&n.getPolys().setData(Uint16Array.from(l))})(r,o),n[0]=o}}const Uf={cutFunction:null,cutScalars:null,cutValue:0};function Wf(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Uf,n),yt(e,t),Mt(e,t,1,1),At(e,t,["cutFunction","cutValue"]),Gf(e,t)}var zf={newInstance:Et(Wf,"vtkCutter"),extend:Wf};const Hf=e=>e,jf=1e-6;class Kf{constructor(){let e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this.matrix=g(new Float64Array(16)),this.tmp=new Float64Array(3),this.angleConv=e?l:Hf}rotateFromDirections(e,t){const n=new Float64Array(3),r=new Float64Array(3),o=new Float64Array(16);Pn(n,e[0],e[1],e[2]),Pn(r,t[0],t[1],t[2]),Vn(n,n),Vn(r,r);const a=En(n,r);return a>=1||(Dn(this.tmp,n,r),Sn(this.tmp)1&&void 0!==arguments[1]?arguments[1]:0,n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:-1;if(ua(To,this.matrix))return this;const r=-1===n?e.length:t+3*n;for(let n=t;n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Qf,n),jt.obj(e,t),jt.setGet(e,t,["xLength","yLength","zLength","generate3DTextureCoordinates","generateFaces","generateLines"]),jt.setGetArray(e,t,["center","rotations"],3),jt.setGetArray(e,t,["matrix"],16),t._polys=xc.newInstance({values:Uint16Array.from(Yf)}),t._lineCells=xc.newInstance({values:Uint16Array.from(Xf)}),jt.moveToProtected(e,t,["polys","lineCells"]),jt.algo(e,t,0,1),Zf(e,t)}var eg={newInstance:jt.newInstance(Jf,"vtkCubeSource"),extend:Jf};const{vtkErrorMacro:tg}=jt;function ng(e,t){t.classHierarchy.push("vtkImageDataOutlineFilter");const n={...e};e.requestData=(e,n)=>{const r=e[0];if(!r||!r.isA("vtkImageData"))return void tg("Invalid or missing input");const o=r.getSpatialExtent();o?(t._cubeSource.setBounds(o),t._cubeSource.setMatrix(r.getIndexToWorld()),n[0]=t._cubeSource.getOutputData()):tg("Unable to fetch spatial extents of input image.")},e.getMTime=()=>Math.max(n.getMTime(),t._cubeSource.getMTime()),e.setGenerateFaces=t._cubeSource.setGenerateFaces,e.setGenerateLines=t._cubeSource.setGenerateLines,e.getGenerateFaces=t._cubeSource.getGenerateFaces,e.getGenerateLines=t._cubeSource.getGenerateLines}const rg={};function og(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,rg,n),jt.obj(e,t),jt.algo(e,t,1,1),t._cubeSource=eg.newInstance(),jt.moveToProtected(e,t,["cubeSource","tmpOut"]),ng(e,t)}var ag={newInstance:jt.newInstance(og,"vtkImageDataOutlineFilter"),extend:og};let ig;function sg(e,t){t.classHierarchy.push("vtkAbstractTransform","vtkHomogeneousTransform","vtkTransform"),e.transformPoint=(e,n)=>(Ln(n,e,t.matrix),n),e.transformPoints=(e,n)=>{const r=new Float64Array(3),o=new Float64Array(3);for(let a=0;a{e.setPreMultiplyFlag(!0)},e.postMultiply=()=>{e.setPreMultiplyFlag(!1)},e.transformMatrix=(e,n)=>(t.preMultiplyFlag?b(n,t.matrix,e):b(n,e,t.matrix),n),e.transformMatrices=(e,n)=>{const r=new Float64Array(16),o=new Float64Array(16),a=t.preMultiplyFlag?()=>b(o,t.matrix,r):()=>b(o,r,t.matrix);for(let t=0;tig({matrix:za.invertMatrix(Array.from(t.matrix),[],4),preMultiplyFlag:t.preMultiplyFlag})}const lg={preMultiplyFlag:!1,matrix:[...To]};function cg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,lg,n),jt.obj(e,t),jt.setGet(e,t,["preMultiplyFlag"]),jt.setGetArray(e,t,["matrix"],16),sg(e,t)}ig=jt.newInstance(cg,"vtkTransform");var ug={newInstance:ig,extend:cg};const dg={NEAREST:0,LINEAR:1};var pg={InterpolationType:dg};const{vtkErrorMacro:fg}=Kt;function gg(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function mg(e,t,n){return t.identity(n),e.reduce(((e,n,r)=>0===r?n?t.copy(e,n):t.identity(e):n?t.multiply(e,e,n):e),n)}function hg(e,t){t.classHierarchy.push("vtkOpenGLImageResliceMapper"),e.buildPass=n=>{if(n){t.currentRenderPass=null,t._openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const n=t._openGLRenderer.getRenderable();t._openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera()),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow)}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t._openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getInputData(),t.currentInput?(e.updateResliceGeometry(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r),e.invokeEvent({type:"EndEvent"})):fg("No input!")},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),r.getProperty().getInterpolationType()===dg.NEAREST?(t.openGLTexture.setMinificationFilter(Vd.NEAREST),t.openGLTexture.setMagnificationFilter(Vd.NEAREST),t.colorTexture.setMinificationFilter(Vd.NEAREST),t.colorTexture.setMagnificationFilter(Vd.NEAREST),t.pwfTexture.setMinificationFilter(Vd.NEAREST),t.pwfTexture.setMagnificationFilter(Vd.NEAREST)):(t.openGLTexture.setMinificationFilter(Vd.LINEAR),t.openGLTexture.setMagnificationFilter(Vd.LINEAR),t.colorTexture.setMinificationFilter(Vd.LINEAR),t.colorTexture.setMagnificationFilter(Vd.LINEAR),t.pwfTexture.setMinificationFilter(Vd.LINEAR),t.pwfTexture.setMagnificationFilter(Vd.LINEAR)),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const r=t.currentInput;if(!r)return;const o=r.getPointData()?.getScalars();if(!o)return;t._scalars!==o&&(t._openGLRenderWindow.releaseGraphicsResourcesForObject(t._scalars),t._scalars=o);const a=o.getNumberOfComponents();let i=`${r.getMTime()}A${o.getMTime()}`;const s=t._openGLRenderWindow.getGraphicsResourceForObject(o);if(s?.vtkObj&&s?.hash===i&&t.openGLTextureString===i)t.openGLTexture=s.vtkObj,t.openGLTextureString=s.hash;else{t.openGLTexture||(t.openGLTexture=$d.newInstance(),t.openGLTexture.setOpenGLRenderWindow(t._openGLRenderWindow));const e=r.getDimensions();t.openGLTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.openGLTexture.releaseGraphicsResources(t._openGLRenderWindow),t.openGLTexture.resetFormatAndType(),t.openGLTexture.create3DFilterableFromDataArray(e[0],e[1],e[2],o),t.openGLTextureString=i,o&&t._openGLRenderWindow.setGraphicsResourceForObject(o,t.openGLTexture,t.openGLTextureString)}const l=n.getProperty(),c=l.getIndependentComponents(),u=c?a:1,d=c?2*u:1,p=l.getRGBTransferFunction();i=gg(l,p,u);const f=t._openGLRenderWindow.getGraphicsResourceForObject(p);if(f?.vtkObj&&f?.hash===i&&t.colorTextureString===i)t.colorTexture=f.vtkObj,t.colorTextureString=f.hash;else{const e=1024,n=new Uint8Array(e*d*3);if(t.colorTexture||(t.colorTexture=$d.newInstance(),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow)),p){const r=new Float32Array(3*e);for(let t=0;t0){const e=t.resliceGeom.getPointData().getNormals();e?r.normals=e:fg("Slab mode requested without normals")}t.tris.getCABO().createVBO(n,"polys",ps.SURFACE,r)}t.VBOBuildString=h,t.VBOBuildTime.modified()},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(a,r,o);const i=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==n.getProgram()&&(n.setProgram(i),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const a=n.getProgram();if(n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())){a.isUniformUsed("texture1")&&a.setUniformi("texture1",t.openGLTexture.getTextureUnit()),a.isAttributeUsed("vertexWC")&&(n.getVAO().addAttributeArray(a,n.getCABO(),"vertexWC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||fg("Error setting vertexWC in shader VAO.")),a.isAttributeUsed("normalWC")&&(n.getVAO().addAttributeArray(a,n.getCABO(),"normalWC",n.getCABO().getNormalOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||fg("Error setting normalWC in shader VAO.")),a.isUniformUsed("slabThickness")&&a.setUniformf("slabThickness",t.renderable.getSlabThickness()),a.isUniformUsed("spacing")&&a.setUniform3fv("spacing",t.currentInput.getSpacing()),a.isUniformUsed("slabType")&&a.setUniformi("slabType",t.renderable.getSlabType()),a.isUniformUsed("slabType")&&a.setUniformi("slabType",t.renderable.getSlabType()),a.isUniformUsed("slabTrapezoid")&&a.setUniformi("slabTrapezoid",t.renderable.getSlabTrapezoidIntegration());const e=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null;if(a.isUniformUsed("WCTCMatrix")){const n=t.currentInput,r=n.getDimensions();d(t.tmpMat4,n.getIndexToWorld()),T(t.tmpMat4,t.tmpMat4,r),h(t.tmpMat4,t.tmpMat4),e&&b(t.tmpMat4,t.tmpMat4,e),a.setUniformMatrix("WCTCMatrix",t.tmpMat4)}a.isUniformUsed("vboScaling")&&a.setUniform3fv("vboScaling",n.getCABO().getCoordScale()),n.getAttributeUpdateTime().modified()}if(t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),n.getProgram().isUniformUsed("coffset")){const t=e.getCoincidentParameters(r,o);n.getProgram().setUniformf("coffset",t.offset),n.getProgram().isUniformUsed("cfactor")&&n.getProgram().setUniformf("cfactor",t.factor)}},e.setCameraShaderParameters=(e,n,o)=>{const a=t._openGLCamera.getKeyMatrices(n),i=t._openGLImageSlice.getKeyMatrices(),s=e.getCABO().getCoordShiftAndScaleEnabled()?e.getCABO().getInverseShiftAndScaleMatrix():null,l=e.getProgram();l.isUniformUsed("MCPCMatrix")&&(g(t.tmpMat4),l.setUniformMatrix("MCPCMatrix",mg([a.wcpc,i.mcwc,s],r,t.tmpMat4))),l.isUniformUsed("MCVCMatrix")&&(g(t.tmpMat4),l.setUniformMatrix("MCVCMatrix",mg([a.wcvc,i.mcwc,s],r,t.tmpMat4)))},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),a=r.getProperty(),i=a.getOpacity();o.setUniformf("opacity",i);const s=t.openGLTexture.getComponents(),l=a.getIndependentComponents();if(l)for(let e=0;e{const o=t.openGLTexture.getComponents(),a=r.getProperty().getIndependentComponents(),i=t.renderable.getSlabThickness(),s=t.renderable.getSlabType(),l=t.renderable.getSlabTrapezoidIntegration();let c=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(c=!0),!(!c&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&0!==e.getProgram()?.getHandle()&&t.lastTextureComponents===o&&t.lastIndependentComponents===a&&t.lastSlabThickness===i&&t.lastSlabType===s&&t.lastSlabTrapezoidIntegration===l||(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=a,t.lastSlabThickness=i,t.lastSlabType=s,t.lastSlabTrapezoidIntegration=l,0))},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkImageResliceMapperVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\n// all variables that represent positions or directions have a suffix\n// indicating the coordinate system they are in. The possible values are\n// MC - Model coordinates\n// WC - World coordinates\n// VC - View coordinates\n// DC - Display coordinates\n// TC - Texture coordinates\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\nvoid main()\n{\n //VTK::PositionVC::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Picking::Impl\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkImageResliceMapperFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the gpu image mapper fragment shader\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n // VC position of this fragment. This should not branch/return/discard.\n //VTK::PositionVC::Impl\n\n // Place any calls that require uniform flow (e.g. dFdx) here.\n //VTK::UniformFlow::Impl\n\n // Set gl_FragDepth here (gl_FragCoord.z by default)\n //VTK::Depth::Impl\n\n // Early depth peeling abort:\n //VTK::DepthPeeling::PreColor\n\n //VTK::TCoord::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n\n //VTK::DepthPeeling::Impl\n\n //VTK::Picking::Impl\n\n // handle coincident offsets\n //VTK::Coincident::Impl\n\n //VTK::ZBuffer::Impl\n\n //VTK::RenderPassFragmentShader::Impl\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{if(e.replaceShaderTCoord(n,r,o),e.replaceShaderPositionVC(n,r,o),t.haveSeenDepthRequest){let e=n.Fragment;e=xd.substitute(e,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,e=xd.substitute(e,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result,n.Fragment=e}e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderTCoord=(e,n,r)=>{let o=e.Vertex;const a=e.Geometry;let i=e.Fragment;const s=t.renderable.getSlabThickness();o=xd.substitute(o,"//VTK::TCoord::Dec",["uniform mat4 WCTCMatrix;","out vec3 fragTexCoord;"]).result,o=xd.substitute(o,"//VTK::TCoord::Impl",["fragTexCoord = (WCTCMatrix * vertexWC).xyz;"]).result;const l=t.openGLTexture.getComponents(),c=r.getProperty().getIndependentComponents();let u=["in vec3 fragTexCoord;","uniform highp sampler3D texture1;","uniform mat4 WCTCMatrix;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;"];if(c){for(let e=1;e0&&(u=u.concat(["uniform vec3 spacing;","uniform float slabThickness;","uniform int slabType;","uniform int slabTrapezoid;","uniform vec3 vboScaling;"]),u=u.concat(["vec4 compositeValue(vec4 currVal, vec4 valToComp, int trapezoid)","{"," vec4 retVal = vec4(1.0);"," if (slabType == 0) // min"," {"," retVal = min(currVal, valToComp);"," }"," else if (slabType == 1) // max"," {"," retVal = max(currVal, valToComp);"," }"," else if (slabType == 3) // sum"," {"," retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); "," }"," else // mean"," {"," retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); "," }"," return retVal;","}"])),i=xd.substitute(i,"//VTK::TCoord::Dec",u).result;let d=["if (any(greaterThan(fragTexCoord, vec3(1.0))) || any(lessThan(fragTexCoord, vec3(0.0))))","{"," // set the background color and exit"," gl_FragData[0] = backgroundColor;"," return;","}","vec4 tvalue = texture(texture1, fragTexCoord);"];if(s>0&&(d=d.concat(["// Get the first and last samples","int numSlices = 1;","float scaling = min(min(spacing.x, spacing.y), spacing.z) * 0.5;","vec3 normalxspacing = scaling * normalWCVSOutput;","float distTraveled = length(normalxspacing);","int trapezoid = 0;","while (distTraveled < slabThickness * 0.5)","{"," distTraveled += length(normalxspacing);"," float fnumSlices = float(numSlices);"," if (distTraveled > slabThickness * 0.5)"," {"," // Before stepping outside the slab, sample at the boundaries"," normalxspacing = normalWCVSOutput * slabThickness * 0.5 / fnumSlices;"," trapezoid = slabTrapezoid;"," }"," vec3 fragTCoordNeg = (WCTCMatrix * vec4(vertexWCVSOutput.xyz - fnumSlices * normalxspacing * vboScaling, 1.0)).xyz;"," if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))"," {"," vec4 newVal = texture(texture1, fragTCoordNeg);"," tvalue = compositeValue(tvalue, newVal, trapezoid);"," numSlices += 1;"," }"," vec3 fragTCoordPos = (WCTCMatrix * vec4(vertexWCVSOutput.xyz + fnumSlices * normalxspacing * vboScaling, 1.0)).xyz;"," if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))"," {"," vec4 newVal = texture(texture1, fragTCoordPos);"," tvalue = compositeValue(tvalue, newVal, trapezoid);"," numSlices += 1;"," }","}","// Finally, if slab type is *mean*, divide the sum by the numSlices","if (slabType == 2)","{"," tvalue = tvalue / float(numSlices);","}"])),c){const e=["r","g","b","a"];for(let t=0;t{let a=n.Vertex;const i=n.Geometry;let s=n.Fragment;const l=t.renderable.getSlabThickness();let c=["attribute vec4 vertexWC;"];c=c.concat([`//${e.getMTime()}${t.resliceGeomUpdateString}`]),l>0&&(c=c.concat(["attribute vec3 normalWC;","varying vec3 normalWCVSOutput;","varying vec4 vertexWCVSOutput;"])),a=xd.substitute(a,"//VTK::PositionVC::Dec",c).result;let u=["gl_Position = MCPCMatrix * vertexWC;"];l>0&&(u=u.concat(["normalWCVSOutput = normalWC;","vertexWCVSOutput = vertexWC;"])),a=xd.substitute(a,"//VTK::PositionVC::Impl",u).result,a=xd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;","uniform mat4 MCVCMatrix;"]).result;let d=[];l>0&&(d=d.concat(["varying vec3 normalWCVSOutput;","varying vec4 vertexWCVSOutput;"])),s=xd.substitute(s,"//VTK::PositionVC::Dec",d).result,n.Vertex=a,n.Geometry=i,n.Fragment=s},e.updateResliceGeometry=()=>{let e="";const n=t.currentInput,r=n?.getBounds();let o=!0,a=2;const i=t.renderable.getSlicePolyData(),s=t.renderable.getSlicePlane();if(i)e=e.concat(`PolyData${i.getMTime()}`);else if(s){e=e.concat(`Plane${s.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`));const t=ue(n?.getDirection());ge(t,t);const r=[...s.getNormal()];Bn(r,r,t),[o,a]=function(e){za.normalize(e);const t=[0,0,0];for(let r=0;r<3;++r){(n=t)[0]=0,n[1]=0,n[2]=0,t[r]=1;const o=za.dot(e,t);if(o<-.999||o>.999)return[!0,r]}var n;return[!1,2]}(r)}else{const o=ri.newInstance();o.setNormal(0,0,1);let a=[0,1,0,1,0,1];n&&(a=r),o.setOrigin(a[0],a[2],.5*(a[5]+a[4])),t.renderable.setSlicePlane(o),e=e.concat(`Plane${s?.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`))}if(!t.resliceGeom||t.resliceGeomUpdateString!==e){if(i)t.resliceGeom||(t.resliceGeom=Pu.newInstance()),t.resliceGeom.getPoints().setData(i.getPoints().getData(),3),t.resliceGeom.getPolys().setData(i.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(i.getPointData().getNormals());else if(s)if(o){const e=new Float32Array(12),r=n.worldToIndex(s.getOrigin(),[0,0,0]),o=[(a+1)%3,(a+2)%3].sort(),i=n.getDimensions(),l=[0,i[0]-1,0,i[1]-1,0,i[2]-1];let c=0;for(let t=0;t<2;++t)for(let n=0;n<2;++n)e[c+a]=r[a],e[c+o[0]]=l[2*o[0]+n],e[c+o[1]]=l[2*o[1]+t],c+=3;t.transform.setMatrix(n.getIndexToWorld()),t.transform.transformPoints(e,e);const u=new Uint16Array(8);u[0]=3,u[1]=0,u[2]=1,u[3]=3,u[4]=3,u[5]=0,u[6]=3,u[7]=2;const d=s.getNormal();za.normalize(d);const p=new Float32Array(12);for(let e=0;e<4;++e)p[3*e]=d[0],p[3*e+1]=d[1],p[3*e+2]=d[2];t.resliceGeom||(t.resliceGeom=Pu.newInstance()),t.resliceGeom.getPoints().setData(e,3),t.resliceGeom.getPolys().setData(u,1);const f=Us.newInstance({numberOfComponents:3,values:p,name:"Normals"});t.resliceGeom.getPointData().setNormals(f)}else{t.outlineFilter.setInputData(n),t.cutter.setInputConnection(t.outlineFilter.getOutputPort()),t.cutter.setCutFunction(s),t.lineToSurfaceFilter.setInputConnection(t.cutter.getOutputPort()),t.lineToSurfaceFilter.update(),t.resliceGeom||(t.resliceGeom=Pu.newInstance());const e=t.lineToSurfaceFilter.getOutputData();t.resliceGeom.getPoints().setData(e.getPoints().getData(),3),t.resliceGeom.getPolys().setData(e.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(e.getPointData().getNormals());const r=s.getNormal(),o=t.resliceGeom.getNumberOfPoints();za.normalize(r);const a=new Float32Array(3*o);for(let e=0;e{e&&(t.openGLTexture=e,t._externalOpenGLTexture=!0)}}const vg={VBOBuildTime:{},VBOBuildString:null,haveSeenDepthRequest:!1,lastHaveSeenDepthRequest:!1,lastIndependentComponents:!1,lastTextureComponents:0,lastSlabThickness:0,lastSlabTrapezoidIntegration:0,lastSlabType:-1,openGLTexture:null,openGLTextureString:null,colorTextureString:null,pwfTextureString:null,resliceGeom:null,resliceGeomUpdateString:null,tris:null,colorTexture:null,pwfTexture:null,_externalOpenGLTexture:!1,_scalars:null};const yg=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,vg,n),Zt.extend(e,t,n),Yd(e,t,n),Zd(e,t,n),t.tris=Md.newInstance(),t.openGLTexture=null,t.colorTexture=null,t.pwfTexture=null,t.VBOBuildTime={},yt(t.VBOBuildTime),t.tmpMat4=g(new Float64Array(16)),t.outlineFilter=ag.newInstance(),t.outlineFilter.setGenerateFaces(!0),t.outlineFilter.setGenerateLines(!1),t.cubePolyData=Pu.newInstance(),t.cutter=zf.newInstance(),t.lineToSurfaceFilter=Ff.newInstance(),t.transform=ug.newInstance(),xt(e,t,["openGLTexture"]),hg(e,t)}),"vtkOpenGLImageResliceMapper");rn("vtkImageResliceMapper",yg);var bg={SlicingMode:{NONE:-1,I:0,J:1,K:2,X:3,Y:4,Z:5}};const{vtkErrorMacro:xg}=Kt,{SlicingMode:Tg}=bg;function Cg(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function Sg(e){const t=e.split("\n"),n=[];for(let e=0;e0&&n.push(r)}return n}function Ag(e,t){t.classHierarchy.push("vtkOpenGLImageMapper"),e.buildPass=n=>{if(n){t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow);const n=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera()),t.renderable.isA("vtkImageMapper")&&t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(n.getActiveCamera())}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.getShaderTemplate=(e,t,n)=>{e.Vertex=qd,e.Fragment=Xd,e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let a=n.Vertex,i=n.Fragment;a=xd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,a=xd.substitute(a,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result,a=xd.substitute(a,"//VTK::TCoord::Impl","tcoordVCVSOutput = tcoordMC;").result,a=xd.substitute(a,"//VTK::TCoord::Dec","attribute vec2 tcoordMC; varying vec2 tcoordVCVSOutput;").result;const s=t.openGLTexture.getComponents(),l=o.getProperty().getIndependentComponents();let c=["varying vec2 tcoordVCVSOutput;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D texture1;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform sampler2D labelOutlineTexture1;","uniform float opacity;","uniform float outlineOpacity;"];if(l){for(let e=1;e 0.01) {\n for (int i = -actualThickness; i <= actualThickness; i++) {\n for (int j = -actualThickness; j <= actualThickness; j++) {\n if (i == 0 || j == 0) {\n continue;\n }\n vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n gl_FragCoord.y + float(j),\n gl_FragCoord.z, gl_FragCoord.w);\n vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n float value = texture2D(texture1, neighborPosIS.xy).r;\n if (value != centerValue) {\n pixelOnBorder = true;\n break;\n }\n }\n if (pixelOnBorder == true) {\n break;\n }\n }\n if (pixelOnBorder == true) {\n gl_FragData[0] = vec4(tColor, outlineOpacity);\n }\n else {\n gl_FragData[0] = vec4(tColor, opacityToUse);\n }\n }\n #else\n float intensity = texture2D(texture1, tcoordVCVSOutput).r;\n vec3 tcolor = texture2D(colorTexture1, vec2(intensity * cscale0 + cshift0, 0.5)).rgb;\n float scalarOpacity = texture2D(pwfTexture1, vec2(intensity * pwfscale0 + pwfshift0, 0.5)).r;\n gl_FragData[0] = vec4(tcolor, scalarOpacity * opacity);\n #endif\n ")]).result;break;case 2:i=xd.substitute(i,"//VTK::TCoord::Impl",["vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);","float intensity = tcolor.r*cscale0 + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(intensity, 0.5)).rgb, pwfscale0*tcolor.g + pwfshift0);"]).result;break;case 3:i=xd.substitute(i,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, opacity);"]).result;break;default:i=xd.substitute(i,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, tcolor.a);"]).result}t.haveSeenDepthRequest&&(i=xd.substitute(i,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,i=xd.substitute(i,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),n.Vertex=a,n.Fragment=i,e.replaceShaderClip(n,r,o),e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderClip=(e,n,r)=>{let o=e.Vertex,a=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(et("OpenGL has a limit of 6 clipping planes"),e=6),o=xd.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=xd.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,a=xd.substitute(a,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,a=xd.substitute(a,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=a},e.getNeedToRebuildShaders=(e,n,r)=>{const o=t.openGLTexture.getComponents(),a=r.getProperty().getIndependentComponents();let i=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(i=!0),!(!i&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&0!==e.getProgram()?.getHandle()&&t.lastTextureComponents===o&&t.lastIndependentComponents===a||(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=a,0))},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(a,r,o);const i=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==n.getProgram()&&(n.setProgram(i),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||xg("Error setting vertexMC in shader VAO.")),n.getProgram().isAttributeUsed("tcoordMC")&&n.getCABO().getTCoordOffset()&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"tcoordMC",n.getCABO().getTCoordOffset(),n.getCABO().getStride(),t.context.FLOAT,n.getCABO().getTCoordComponents(),t.context.FALSE)||xg("Error setting tcoordMC in shader VAO.")),n.getAttributeUpdateTime().modified());const a=t.openGLTexture.getTextureUnit();n.getProgram().setUniformi("texture1",a);const i=t.openGLTexture.getComponents(),s=o.getProperty().getIndependentComponents();if(s)for(let e=0;e6&&(et("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,a=r?d(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(m(a,a),b(a,a,r),m(a,a)),m(t.imagemat,t.currentInput.getIndexToWorld()),b(t.imagematinv,a,t.imagemat);const i=[];for(let n=0;n{const a=n.getProgram(),i=t.openGLImageSlice.getKeyMatrices(),s=t.currentInput,l=s.getIndexToWorld();b(t.imagemat,i.mcwc,l);const c=t.openGLCamera.getKeyMatrices(r);if(b(t.imagemat,c.wcpc,t.imagemat),n.getCABO().getCoordShiftAndScaleEnabled()){const e=n.getCABO().getInverseShiftAndScaleMatrix();b(t.imagemat,t.imagemat,e)}if(a.setUniformMatrix("MCPCMatrix",t.imagemat),!0===o.getProperty().getUseLabelOutline()){const n=s.getWorldToIndex(),o=s.getDimensions();a.setUniform3i("imageDimensions",o[0],o[1],1),a.setUniformMatrix("vWCtoIDX",n);const i=t.openGLCamera.getKeyMatrices(r);h(t.projectionToWorld,i.wcpc),t.openGLCamera.getKeyMatrices(r),a.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const l=e.getRenderTargetSize();a.setUniformf("vpWidth",l[0]),a.setUniformf("vpHeight",l[1]);const c=e.getRenderTargetOffset();a.setUniformf("vpOffsetX",c[0]/l[0]),a.setUniformf("vpOffsetY",c[1]/l[1])}},e.setPropertyShaderParameters=(e,t,n)=>{const r=e.getProgram(),o=n.getProperty().getOpacity();r.setUniformf("opacity",o)},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),t.labelOutlineThicknessTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),t.labelOutlineThicknessTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getCurrentImage(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):xg("No input!")},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():Ra(t.bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const o=t.currentInput;if(!o)return;const a=o.getPointData()&&o.getPointData().getScalars();if(!a)return;const i=a.getDataType(),s=a.getNumberOfComponents(),l=r.getProperty(),c=l.getInterpolationType(),u=l.getIndependentComponents(),d=u?s:1,p=u?2*d:1,f=l.getRGBTransferFunction(),g=Cg(l,f,d),m=t._openGLRenderWindow.getGraphicsResourceForObject(f);if(m?.vtkObj&&m?.hash===g&&t.colorTextureString===g)t.colorTexture=m.vtkObj,t.colorTextureString=m.hash;else{const e=1024,n=new Uint8Array(e*p*3);if(t.colorTexture||(t.colorTexture=$d.newInstance({resizable:!0}),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow)),c===dg.NEAREST?(t.colorTexture.setMinificationFilter(Vd.NEAREST),t.colorTexture.setMagnificationFilter(Vd.NEAREST)):(t.colorTexture.setMinificationFilter(Vd.LINEAR),t.colorTexture.setMagnificationFilter(Vd.LINEAR)),f){const r=new Float32Array(3*e);for(let t=0;t1?1:0;const d=[Tg.X,Tg.Y,Tg.Z].includes(t.renderable.getSlicingMode())?x:T,p=o.getSpatialExtent(),f=a.getData();let g=null;if(b===Tg.I){g=new f.constructor(e[2]*e[1]*s);let t=0;for(let n=0;n{t.labelOutlineThicknessTexture||(t.labelOutlineThicknessTexture=$d.newInstance({resizable:!1}),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow));const n=e.getProperty().getLabelOutlineThickness(),r=t._openGLRenderWindow.getGraphicsResourceForObject(n),o=`${n.join("-")}`;if(r?.vtkObj&&r?.hash===o&&t.labelOutlineThicknessTextureString===o)t.labelOutlineThicknessTexture=r.vtkObj,t.labelOutlineThicknessTextureString=r.hash;else{const e=1024,r=1,a=new Uint8Array(e*r);for(let t=0;t{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]}}const Pg={VBOBuildTime:0,VBOBuildString:null,openGLTexture:null,tris:null,imagemat:null,imagematinv:null,colorTexture:null,pwfTexture:null,labelOutlineThicknessTexture:null,labelOutlineThicknessTextureString:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,_scalars:null};const Ig=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Pg,n),Zt.extend(e,t,n),Yd(e,t,n),Zd(e,t,n),t.tris=Md.newInstance(),t.imagemat=g(new Float64Array(16)),t.imagematinv=g(new Float64Array(16)),t.projectionToWorld=g(new Float64Array(16)),t.idxToView=g(new Float64Array(16)),t.idxNormalMatrix=pe(new Float64Array(9)),t.modelToView=g(new Float64Array(16)),t.projectionToView=g(new Float64Array(16)),At(e,t,[]),t.VBOBuildTime={},yt(t.VBOBuildTime),Ag(e,t)}),"vtkOpenGLImageMapper");rn("vtkAbstractImageMapper",Ig);const{vtkErrorMacro:wg}=jt;function Og(e,t,n){if(t.apply(e)){const t=e.getIndependentComponents();return`${e.getMTime()}-${t}-${n}`}return"0"}function Mg(e,t){t.classHierarchy.push("vtkOpenGLImageCPRMapper"),e.buildPass=n=>{n&&(t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.openGLCamera=t._openGLRenderer.getViewNodeFor(t._openGLRenderer.getRenderable().getActiveCamera()),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.volumeTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.pwfTexture.setOpenGLRenderWindow(t._openGLRenderWindow))},e.opaquePass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.opaqueZBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),e.invokeEvent({type:"EndEvent"}),t.renderable.preRenderCheck()&&(t.currentImageDataInput=t.renderable.getInputData(0),t.currentCenterlineInput=t.renderable.getOrientedCenterline(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r))},e.renderPieceStart=(t,n)=>{e.updateBufferObjects(t,n)},e.renderPieceDraw=(n,r)=>{const o=t.context;t.volumeTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.volumeTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>{const o=t.VBOBuildTime.getMTime();return o{const r=t.currentImageDataInput,o=t.currentCenterlineInput;n.getProperty().getInterpolationType()===dg.NEAREST?(t.volumeTexture.setMinificationFilter(Vd.NEAREST),t.volumeTexture.setMagnificationFilter(Vd.NEAREST),t.colorTexture.setMinificationFilter(Vd.NEAREST),t.colorTexture.setMagnificationFilter(Vd.NEAREST),t.pwfTexture.setMinificationFilter(Vd.NEAREST),t.pwfTexture.setMagnificationFilter(Vd.NEAREST)):(t.volumeTexture.setMinificationFilter(Vd.LINEAR),t.volumeTexture.setMagnificationFilter(Vd.LINEAR),t.colorTexture.setMinificationFilter(Vd.LINEAR),t.colorTexture.setMagnificationFilter(Vd.LINEAR),t.pwfTexture.setMinificationFilter(Vd.LINEAR),t.pwfTexture.setMagnificationFilter(Vd.LINEAR));const a=r.getMTime();if(t.volumeTextureTime!==a){const e=r.getDimensions(),n=r.getPointData().getScalars();if(!n)return;t.volumeTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.volumeTexture.releaseGraphicsResources(t._openGLRenderWindow),t.volumeTexture.resetFormatAndType(),t.volumeTexture.create3DFilterableFromRaw(e[0],e[1],e[2],n.getNumberOfComponents(),n.getDataType(),n.getData(),t.renderable.getPreferSizeOverAccuracy()),t.volumeTextureTime=a}const i=r.getPointData()&&r.getPointData().getScalars();if(!i)return;const s=i.getNumberOfComponents(),l=n.getProperty(),c=l.getIndependentComponents(),u=c?s:1,d=c?2*u:1,p=Og(l,l.getRGBTransferFunction,u);if(t.colorTextureString!==p){const e=1024,n=new Uint8Array(e*d*3);let r=l.getRGBTransferFunction();if(r){const o=new Float32Array(3*e);for(let t=0;t{const o=t.volumeTexture.getComponents(),a=r.getProperty().getIndependentComponents(),i=!!t.renderable.getCenterPoint(),s=t.renderable.getUseUniformOrientation();return(0===e.getProgram()||t.lastUseCenterPoint!==i||t.lastUseUniformOrientation!==s||t.lastHaveSeenDepthRequest!==t.haveSeenDepthRequest||t.lastTextureComponents!==o||t.lastIndependentComponents!==a)&&(t.lastUseCenterPoint=i,t.lastUseUniformOrientation=s,t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=a,!0)},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.replaceShaderValues=(n,r,o)=>{let a=n.Vertex,i=n.Fragment;a=xd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,a=xd.substitute(a,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result;const s=["attribute vec3 centerlinePosition;","attribute float quadIndex;","uniform float width;","out vec2 quadOffsetVSOutput;","out vec3 centerlinePosVSOutput;"],l=t.renderable.getUseUniformOrientation();l?s.push("out vec3 centerlineDirVSOutput;","uniform vec3 centerlineDirection;"):s.push("out vec3 centerlineTopDirVSOutput;","out vec3 centerlineBotDirVSOutput;","out float centerlineAngleVSOutput;","attribute vec3 centerlineTopDirection;","attribute vec3 centerlineBotDirection;"),a=xd.substitute(a,"//VTK::Color::Dec",s).result;const c=["quadOffsetVSOutput = vec2(width * (mod(quadIndex, 2.0) == 0.0 ? -0.5 : 0.5), quadIndex > 1.0 ? 0.0 : 1.0);","centerlinePosVSOutput = centerlinePosition;"];l?c.push("centerlineDirVSOutput = centerlineDirection;"):c.push("vec3 sumVec = centerlineTopDirection + centerlineBotDirection;","float sumLen2 = dot(sumVec, sumVec);","float diffLen2 = 4.0 - sumLen2;","if (diffLen2 < 0.001) {"," // vectors are too close to each other, use lerp"," centerlineAngleVSOutput = -1.0; // use negative angle as a flag for lerp"," centerlineTopDirVSOutput = centerlineTopDirection;"," centerlineBotDirVSOutput = centerlineBotDirection;","} else if (sumLen2 == 0.0) {"," // vector are opposite to each other, don't make a choice for the user"," // use slerp without direction, it will display the centerline color on each row of pixel"," centerlineAngleVSOutput = 0.0;"," centerlineTopDirVSOutput = vec3(0.0);"," centerlineBotDirVSOutput = vec3(0.0);","} else {"," // use slerp"," centerlineAngleVSOutput = 2.0 * atan(sqrt(diffLen2/sumLen2));"," float sinAngle = sin(centerlineAngleVSOutput);"," centerlineTopDirVSOutput = centerlineTopDirection / sinAngle;"," centerlineBotDirVSOutput = centerlineBotDirection / sinAngle;","}"),a=xd.substitute(a,"//VTK::Color::Impl",c).result;const u=t.volumeTexture.getComponents(),d=o.getProperty().getIndependentComponents();let p=["uniform mat4 MCTCMatrix; // Model coordinates to texture coordinates","in vec2 quadOffsetVSOutput;","in vec3 centerlinePosVSOutput;","uniform highp sampler3D volumeTexture;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;"];l?p.push("in vec3 centerlineDirVSOutput;"):p.push("in vec3 centerlineTopDirVSOutput;","in vec3 centerlineBotDirVSOutput;","in float centerlineAngleVSOutput;");const f=t.renderable.getCenterPoint();if(f&&p.push("uniform vec3 globalCenterPoint;"),d){for(let e=1;e{let o=e.Vertex,a=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(jt.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6),o=xd.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=xd.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,a=xd.substitute(a,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,a=xd.substitute(a,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=a},e.getShaderTemplate=(e,t,n)=>{e.Vertex=qd,e.Fragment=Xd,e.Geometry=""},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||wg("Error setting vertexMC in shader VAO.")),n.getCABO().getCustomData().forEach((e=>{e&&n.getProgram().isAttributeUsed(e.name)&&!n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),e.name,e.offset,n.getCABO().getStride(),t.context.FLOAT,e.components,t.context.FALSE)&&wg(`Error setting ${e.name} in shader VAO.`)})),n.getAttributeUpdateTime().modified());const a=t.volumeTexture.getTextureUnit();if(n.getProgram().setUniformi("volumeTexture",a),n.getProgram().setUniformf("width",t.renderable.getWidth()),n.getProgram().setUniform4f("backgroundColor",...t.renderable.getBackgroundColor()),n.getProgram().isUniformUsed("centerlineDirection")){const e=t.renderable.getUniformDirection();n.getProgram().setUniform3fArray("centerlineDirection",e)}if(n.getProgram().isUniformUsed("globalCenterPoint")){const e=t.renderable.getCenterPoint();n.getProgram().setUniform3fArray("globalCenterPoint",e)}const i=t.currentImageDataInput,s=i.getWorldToIndex(),l=w(new Float32Array(16),Rn([],i.getDimensions())),c=oe(l,l,s);if(n.getProgram().setUniformMatrix("MCTCMatrix",c),t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(jt.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,a=r?d(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(m(a,a),b(a,a,r),m(a,a)),m(t.imagemat,t.currentImageDataInput.getIndexToWorld()),b(t.imagematinv,a,t.imagemat);const i=[];for(let n=0;n{const o=t.openGLImageSlice.getKeyMatrices().mcwc,a=t.openGLCamera.getKeyMatrices(n).wcpc;if(b(t.imagemat,a,o),e.getCABO().getCoordShiftAndScaleEnabled()){const n=e.getCABO().getInverseShiftAndScaleMatrix();b(t.imagemat,t.imagemat,n)}e.getProgram().setUniformMatrix("MCPCMatrix",t.imagemat)},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),a=r.getProperty(),i=a.getOpacity();o.setUniformf("opacity",i);const s=t.volumeTexture.getComponents(),l=a.getIndependentComponents();if(l)for(let e=0;e{if(e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(a,r,o);const i=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==n.getProgram()&&(n.setProgram(i),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)}}const Rg={currentRenderPass:null,volumeTexture:null,volumeTextureTime:0,colorTexture:null,colorTextureString:null,pwfTexture:null,pwfTextureString:null,tris:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,lastIndependentComponents:0,imagemat:null,imagematinv:null};const Vg=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Rg,n),Zt.extend(e,t,n),Yd(e,t,n),jt.algo(e,t,2,0),t.tris=Md.newInstance(),t.volumeTexture=$d.newInstance(),t.colorTexture=$d.newInstance(),t.pwfTexture=$d.newInstance(),t.imagemat=g(new Float64Array(16)),t.imagematinv=g(new Float64Array(16)),t.VBOBuildTime={},jt.obj(t.VBOBuildTime,{mtime:0}),Mg(e,t)}),"vtkOpenGLImageCPRMapper");function Eg(e,t){t.classHierarchy.push("vtkOpenGLImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes()}},e.traverseZBufferPass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseOpaqueZBufferPass=t=>e.traverseOpaquePass(t),e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t._openGLRenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.zBufferPass=(t,n)=>e.opaquePass(t,n),e.opaqueZBufferPass=(t,n)=>e.opaquePass(t,n),e.opaquePass=(e,n)=>{e&&t.context.depthMask(!0)},e.translucentPass=(e,n)=>{t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(d(t.keyMatrices.mcwc,t.renderable.getMatrix()),m(t.keyMatrices.mcwc,t.keyMatrices.mcwc),t.keyMatrixTime.modified()),t.keyMatrices)}rn("vtkImageCPRMapper",Vg);const Dg={context:null,keyMatrixTime:null,keyMatrices:null};const Lg=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Dg,n),Zt.extend(e,t,n),t.keyMatrixTime={},yt(t.keyMatrixTime,{mtime:0}),t.keyMatrices={mcwc:g(new Float64Array(16))},At(e,t,["context"]),Eg(e,t)}),"vtkOpenGLImageSlice");function Bg(e,t){t.classHierarchy.push("vtkOpenGLVolume"),e.buildPass=n=>{t.renderable&&t.renderable.getVisibility()&&n&&(t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes())},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;n.incrementVolumeCount()}},e.traverseVolumePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children[0].traverse(n),e.apply(n,!1))},e.volumePass=e=>{t.renderable&&t.renderable.getVisibility()&&t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(t.renderable.computeMatrix(),d(t.MCWCMatrix,t.renderable.getMatrix()),m(t.MCWCMatrix,t.MCWCMatrix),t.renderable.getIsIdentity()?pe(t.normalMatrix):(se(t.normalMatrix,t.MCWCMatrix),ge(t.normalMatrix,t.normalMatrix),fe(t.normalMatrix,t.normalMatrix)),t.keyMatrixTime.modified()),{mcwc:t.MCWCMatrix,normalMatrix:t.normalMatrix})}rn("vtkImageSlice",Lg);const Ng={};const kg=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ng,n),Zt.extend(e,t,n),t.keyMatrixTime={},yt(t.keyMatrixTime,{mtime:0}),t.normalMatrix=new Float64Array(9),t.MCWCMatrix=new Float64Array(16),At(e,t,["context"]),Bg(e,t)}),"vtkOpenGLVolume");rn("vtkVolume",kg);const Fg=0,_g=1,Gg=1,Ug=0,Wg=1,zg=2,Hg=3,jg=4,{vtkWarningMacro:Kg,vtkErrorMacro:$g}=Kt;function qg(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function Xg(e,t){t.classHierarchy.push("vtkOpenGLVolumeMapper"),e.buildPass=()=>{t.zBufferTexture=null},e.zBufferPass=(e,n)=>{if(e){const e=n.getZBufferTexture();e!==t.zBufferTexture&&(t.zBufferTexture=e)}},e.opaqueZBufferPass=(t,n)=>e.zBufferPass(t,n),e.volumePass=(n,r)=>{if(n){t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.jitterTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.scalarTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.opacityTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.openGLVolume=e.getFirstAncestorOfType("vtkOpenGLVolume");const n=t.openGLVolume.getRenderable();t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const r=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(r.getActiveCamera()),e.renderPiece(r,n)}},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexDC;\n\nvarying vec3 vertexVCVSOutput;\nuniform mat4 PCVCMatrix;\n\nuniform float dcxmin;\nuniform float dcxmax;\nuniform float dcymin;\nuniform float dcymax;\n\nvoid main()\n{\n // dcsmall is the device coords reduced to the\n // x y area covered by the volume\n vec4 dcsmall = vec4(\n dcxmin + 0.5 * (vertexDC.x + 1.0) * (dcxmax - dcxmin),\n dcymin + 0.5 * (vertexDC.y + 1.0) * (dcymax - dcymin),\n vertexDC.z,\n vertexDC.w);\n vec4 vcpos = PCVCMatrix * dcsmall;\n vertexVCVSOutput = vcpos.xyz/vcpos.w;\n gl_Position = dcsmall;\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkVolumeFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the volume mappers fragment shader\n\n// the output of this shader\n//VTK::Output::Dec\n\nvarying vec3 vertexVCVSOutput;\n\n// first declare the settings from the mapper\n// that impact the code paths in here\n\n// always set vtkNumComponents 1,2,3,4\n//VTK::NumComponents\n\n// possibly define vtkTrilinearOn\n//VTK::TrilinearOn\n\n// possibly define vtkIndependentComponents\n//VTK::IndependentComponentsOn\n\n// possibly define any \"proportional\" components\n//VTK::vtkProportionalComponents\n\n// Define the blend mode to use\n#define vtkBlendMode //VTK::BlendMode\n\n// Possibly define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n#ifdef vtkImageLabelOutlineOn\n\nuniform float outlineOpacity;\nuniform float vpWidth;\nuniform float vpHeight;\nuniform float vpOffsetX;\nuniform float vpOffsetY;\nuniform mat4 PCWCMatrix;\nuniform mat4 vWCtoIDX;\n#endif\n\n// define vtkLightComplexity\n//VTK::LightComplexity\n#if vtkLightComplexity > 0\nuniform float vSpecularPower;\nuniform float vAmbient;\nuniform float vDiffuse;\nuniform float vSpecular;\n//VTK::Light::Dec\n#endif\n\n//VTK::VolumeShadowOn\n//VTK::SurfaceShadowOn\n//VTK::localAmbientOcclusionOn\n//VTK::LAO::Dec\n//VTK::VolumeShadow::Dec\n\n// define vtkComputeNormalFromOpacity\n//VTK::vtkComputeNormalFromOpacity\n\n// possibly define vtkGradientOpacityOn\n//VTK::GradientOpacityOn\n#ifdef vtkGradientOpacityOn\nuniform float goscale0;\nuniform float goshift0;\nuniform float gomin0;\nuniform float gomax0;\n#if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\nuniform float goscale1;\nuniform float goshift1;\nuniform float gomin1;\nuniform float gomax1;\n#if vtkNumComponents >= 3\nuniform float goscale2;\nuniform float goshift2;\nuniform float gomin2;\nuniform float gomax2;\n#endif\n#if vtkNumComponents >= 4\nuniform float goscale3;\nuniform float goshift3;\nuniform float gomin3;\nuniform float gomax3;\n#endif\n#endif\n#endif\n\n// if you want to see the raw tiled\n// data in webgl1 uncomment the following line\n// #define debugtile\n\n// camera values\nuniform float camThick;\nuniform float camNear;\nuniform float camFar;\nuniform int cameraParallel;\n\n// values describing the volume geometry\nuniform vec3 vOriginVC;\nuniform vec3 vSpacing;\nuniform ivec3 volumeDimensions; // 3d texture dimensions\nuniform vec3 vPlaneNormal0;\nuniform float vPlaneDistance0;\nuniform vec3 vPlaneNormal1;\nuniform float vPlaneDistance1;\nuniform vec3 vPlaneNormal2;\nuniform float vPlaneDistance2;\nuniform vec3 vPlaneNormal3;\nuniform float vPlaneDistance3;\nuniform vec3 vPlaneNormal4;\nuniform float vPlaneDistance4;\nuniform vec3 vPlaneNormal5;\nuniform float vPlaneDistance5;\n\n//VTK::ClipPlane::Dec\n\n// opacity and color textures\nuniform sampler2D otexture;\nuniform float oshift0;\nuniform float oscale0;\nuniform sampler2D ctexture;\nuniform float cshift0;\nuniform float cscale0;\n\n// jitter texture\nuniform sampler2D jtexture;\nuniform sampler2D ttexture;\n\n\n// some 3D texture values\nuniform float sampleDistance;\nuniform vec3 vVCToIJK;\n\n// the heights defined below are the locations\n// for the up to four components of the tfuns\n// the tfuns have a height of 2XnumComps pixels so the\n// values are computed to hit the middle of the two rows\n// for that component\n#ifdef vtkIndependentComponentsOn\n#if vtkNumComponents == 2\nuniform float mix0;\nuniform float mix1;\n#define height0 0.25\n#define height1 0.75\n#endif\n#if vtkNumComponents == 3\nuniform float mix0;\nuniform float mix1;\nuniform float mix2;\n#define height0 0.17\n#define height1 0.5\n#define height2 0.83\n#endif\n#if vtkNumComponents == 4\nuniform float mix0;\nuniform float mix1;\nuniform float mix2;\nuniform float mix3;\n#define height0 0.125\n#define height1 0.375\n#define height2 0.625\n#define height3 0.875\n#endif\n#endif\n\n#if vtkNumComponents >= 2\nuniform float oshift1;\nuniform float oscale1;\nuniform float cshift1;\nuniform float cscale1;\n#endif\n#if vtkNumComponents >= 3\nuniform float oshift2;\nuniform float oscale2;\nuniform float cshift2;\nuniform float cscale2;\n#endif\n#if vtkNumComponents >= 4\nuniform float oshift3;\nuniform float oscale3;\nuniform float cshift3;\nuniform float cscale3;\n#endif\n\nuniform vec4 ipScalarRangeMin;\nuniform vec4 ipScalarRangeMax;\n\n// declaration for intermixed geometry\n//VTK::ZBuffer::Dec\n\n//=======================================================================\n// global and custom variables (a temporary section before photorealistics rendering module is complete)\nvec3 rayDirVC;\nfloat sampleDistanceISVS;\nfloat sampleDistanceIS;\n\n#define SQRT3 1.7321\n#define INV4PI 0.0796\n#define EPSILON 0.001\n#define PI 3.1415\n#define PI2 9.8696\n\n//=======================================================================\n// Webgl2 specific version of functions\n#if __VERSION__ == 300\n\nuniform highp sampler3D texture1;\n\nvec4 getTextureValue(vec3 pos)\n{\n vec4 tmp = texture(texture1, pos);\n#if vtkNumComponents == 1\n tmp.a = tmp.r;\n#endif\n#if vtkNumComponents == 2\n tmp.a = tmp.g;\n#endif\n#if vtkNumComponents == 3\n tmp.a = length(tmp.rgb);\n#endif\n return tmp;\n}\n\n//=======================================================================\n// WebGL1 specific version of functions\n#else\n\nuniform sampler2D texture1;\n\nuniform float texWidth;\nuniform float texHeight;\nuniform int xreps;\nuniform int xstride;\nuniform int ystride;\n\n// if computing trilinear values from multiple z slices\n#ifdef vtkTrilinearOn\nvec4 getTextureValue(vec3 ijk)\n{\n float zoff = 1.0/float(volumeDimensions.z);\n vec4 val1 = getOneTextureValue(ijk);\n vec4 val2 = getOneTextureValue(vec3(ijk.xy, ijk.z + zoff));\n\n float indexZ = float(volumeDimensions)*ijk.z;\n float zmix = indexZ - floor(indexZ);\n\n return mix(val1, val2, zmix);\n}\n\nvec4 getOneTextureValue(vec3 ijk)\n#else // nearest or fast linear\nvec4 getTextureValue(vec3 ijk)\n#endif\n{\n vec3 tdims = vec3(volumeDimensions);\n\n#ifdef debugtile\n vec2 tpos = vec2(ijk.x, ijk.y);\n vec4 tmp = texture2D(texture1, tpos);\n tmp.a = 1.0;\n\n#else\n int z = int(ijk.z * tdims.z);\n int yz = z / xreps;\n int xz = z - yz*xreps;\n\n int tileWidth = volumeDimensions.x/xstride;\n int tileHeight = volumeDimensions.y/ystride;\n\n xz *= tileWidth;\n yz *= tileHeight;\n\n float ni = float(xz) + (ijk.x*float(tileWidth));\n float nj = float(yz) + (ijk.y*float(tileHeight));\n\n vec2 tpos = vec2(ni/texWidth, nj/texHeight);\n\n vec4 tmp = texture2D(texture1, tpos);\n\n#if vtkNumComponents == 1\n tmp.a = tmp.r;\n#endif\n#if vtkNumComponents == 2\n tmp.g = tmp.a;\n#endif\n#if vtkNumComponents == 3\n tmp.a = length(tmp.rgb);\n#endif\n#endif\n\n return tmp;\n}\n\n// End of Webgl1 specific code\n//=======================================================================\n#endif\n\n//=======================================================================\n// transformation between VC and IS space\n\n// convert vector position from idx to vc\n#if (vtkLightComplexity > 0) || (defined vtkClippingPlanesOn)\nvec3 IStoVC(vec3 posIS){\n vec3 posVC = posIS / vVCToIJK;\n return posVC.x * vPlaneNormal0 +\n posVC.y * vPlaneNormal2 +\n posVC.z * vPlaneNormal4 +\n vOriginVC;\n}\n\n// convert vector position from vc to idx\nvec3 VCtoIS(vec3 posVC){\n posVC = posVC - vOriginVC;\n posVC = vec3(\n dot(posVC, vPlaneNormal0),\n dot(posVC, vPlaneNormal2),\n dot(posVC, vPlaneNormal4));\n return posVC * vVCToIJK;\n}\n#endif\n\n//Rotate vector to view coordinate\n#if (vtkLightComplexity > 0) || (defined vtkGradientOpacityOn)\nvoid rotateToViewCoord(inout vec3 dirIS){\n dirIS.xyz =\n dirIS.x * vPlaneNormal0 +\n dirIS.y * vPlaneNormal2 +\n dirIS.z * vPlaneNormal4;\n}\n\n//Rotate vector to idx coordinate\nvec3 rotateToIDX(vec3 dirVC){\n vec3 dirIS;\n dirIS.xyz = vec3(\n dot(dirVC, vPlaneNormal0),\n dot(dirVC, vPlaneNormal2),\n dot(dirVC, vPlaneNormal4));\n return dirIS;\n}\n#endif\n\n//=======================================================================\n// Given a normal compute the gradient opacity factors\nfloat computeGradientOpacityFactor(\n float normalMag, float goscale, float goshift, float gomin, float gomax)\n{\n#if defined(vtkGradientOpacityOn)\n return clamp(normalMag * goscale + goshift, gomin, gomax);\n#else\n return 1.0;\n#endif\n}\n\n//=======================================================================\n// compute the normal and gradient magnitude for a position, uses forward difference\n#if (vtkLightComplexity > 0) || (defined vtkGradientOpacityOn)\n#ifdef vtkClippingPlanesOn\n void adjustClippedVoxelValues(vec3 pos, vec3 texPos[3], inout vec3 g1)\n {\n vec3 g1VC[3];\n for (int i = 0; i < 3; ++i)\n {\n g1VC[i] = IStoVC(texPos[i]);\n }\n vec3 posVC = IStoVC(pos);\n for (int i = 0; i < clip_numPlanes; ++i)\n {\n for (int j = 0; j < 3; ++j)\n {\n if(dot(vec3(vClipPlaneOrigins[i] - g1VC[j].xyz), vClipPlaneNormals[i]) > 0.0)\n {\n g1[j] = 0.0;\n }\n }\n }\n }\n#endif\n\n #ifdef vtkComputeNormalFromOpacity\n #ifdef vtkGradientOpacityOn\n vec4 computeDensityNormal(float gradientMag, vec3 scalarInterp[2])\n {\n #else\n //if gradient opacity not on but using density gradient\n vec4 computeDensityNormal(vec3 scalarInterp[2])\n {\n #endif\n vec3 opacityG1, opacityG2;\n opacityG1.x = texture2D(otexture, vec2(scalarInterp[0].x * oscale0 + oshift0, 0.5)).r;\n opacityG1.y = texture2D(otexture, vec2(scalarInterp[0].y * oscale0 + oshift0, 0.5)).r;\n opacityG1.z = texture2D(otexture, vec2(scalarInterp[0].z * oscale0 + oshift0, 0.5)).r;\n opacityG2.x = texture2D(otexture, vec2(scalarInterp[1].x * oscale0 + oshift0, 0.5)).r;\n opacityG2.y = texture2D(otexture, vec2(scalarInterp[1].y * oscale0 + oshift0, 0.5)).r;\n opacityG2.z = texture2D(otexture, vec2(scalarInterp[1].z * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n float gradOpacityFactor = 1.0f;\n if (gradientMag >= 0.0){\n gradOpacityFactor = computeGradientOpacityFactor(gradientMag, goscale0, goshift0, gomin0, gomax0);\n }\n opacityG1.xyz *= gradOpacityFactor;\n opacityG2.xyz *= gradOpacityFactor;\n #endif\n\n vec4 opacityG = vec4(opacityG1 - opacityG2, 1.0f);\n // divide by spacing\n opacityG.xyz /= vSpacing;\n opacityG.w = length(opacityG.xyz);\n // rotate to View Coords\n rotateToViewCoord(opacityG.xyz);\n if (length(opacityG.xyz) > 0.0) {\n return vec4(normalize(opacityG.xyz),opacityG.w);\n } else {\n return vec4(0.0);\n }\n }\n\n vec4 computeNormalForDensity(vec3 pos, vec3 tstep, out vec3 scalarInterp[2])\n {\n vec3 xvec = vec3(tstep.x, 0.0, 0.0);\n vec3 yvec = vec3(0.0, tstep.y, 0.0);\n vec3 zvec = vec3(0.0, 0.0, tstep.z);\n vec3 texPosPVec[3];\n texPosPVec[0] = pos + xvec;\n texPosPVec[1] = pos + yvec;\n texPosPVec[2] = pos + zvec;\n vec3 texPosNVec[3];\n texPosNVec[0] = pos - xvec;\n texPosNVec[1] = pos - yvec;\n texPosNVec[2] = pos - zvec;\n vec3 g1, g2;\n\n scalarInterp[0].x = getTextureValue(texPosPVec[0]).a;\n scalarInterp[0].y = getTextureValue(texPosPVec[1]).a;\n scalarInterp[0].z = getTextureValue(texPosPVec[2]).a;\n scalarInterp[1].x = getTextureValue(texPosNVec[0]).a;\n scalarInterp[1].y = getTextureValue(texPosNVec[1]).a;\n scalarInterp[1].z = getTextureValue(texPosNVec[2]).a;\n\n #ifdef vtkClippingPlanesOn\n adjustClippedVoxelValues(pos, texPosPVec, scalarInterp[0]);\n adjustClippedVoxelValues(pos, texPosNVec, scalarInterp[1]);\n #endif\n vec4 result;\n result.x = scalarInterp[0].x - scalarInterp[1].x;\n result.y = scalarInterp[0].y - scalarInterp[1].y;\n result.z = scalarInterp[0].z - scalarInterp[1].z;\n // divide by spacing\n result.xyz /= vSpacing;\n result.w = length(result.xyz);\n // rotate to View Coords\n rotateToViewCoord(result.xyz);\n if (length(result.xyz) > 0.0) {\n return vec4(normalize(result.xyz),result.w);\n } else {\n return vec4(0.0);\n }\n }\n #endif\n\n vec4 computeNormal(vec3 pos, vec3 tstep)\n {\n vec3 xvec = vec3(tstep.x, 0.0, 0.0);\n vec3 yvec = vec3(0.0, tstep.y, 0.0);\n vec3 zvec = vec3(0.0, 0.0, tstep.z);\n vec3 texPosPVec[3];\n texPosPVec[0] = pos + xvec;\n texPosPVec[1] = pos + yvec;\n texPosPVec[2] = pos + zvec;\n vec3 texPosNVec[3];\n texPosNVec[0] = pos - xvec;\n texPosNVec[1] = pos - yvec;\n texPosNVec[2] = pos - zvec;\n vec3 g1, g2;\n g1.x = getTextureValue(texPosPVec[0]).a;\n g1.y = getTextureValue(texPosPVec[1]).a;\n g1.z = getTextureValue(texPosPVec[2]).a;\n g2.x = getTextureValue(texPosNVec[0]).a;\n g2.y = getTextureValue(texPosNVec[1]).a;\n g2.z = getTextureValue(texPosNVec[2]).a;\n #ifdef vtkClippingPlanesOn\n adjustClippedVoxelValues(pos, texPosPVec, g1);\n adjustClippedVoxelValues(pos, texPosNVec, g2);\n #endif\n vec4 result;\n result = vec4(g1 - g2, -1.0);\n // divide by spacing\n result.xyz /= vSpacing;\n result.w = length(result.xyz);\n if (result.w > 0.0){\n // rotate to View Coords\n rotateToViewCoord(result.xyz);\n return vec4(normalize(result.xyz),result.w);\n } else {\n return vec4(0.0);\n }\n }\n#endif\n\n#ifdef vtkImageLabelOutlineOn\nvec3 fragCoordToIndexSpace(vec4 fragCoord) {\n vec4 pcPos = vec4(\n (fragCoord.x / vpWidth - vpOffsetX - 0.5) * 2.0,\n (fragCoord.y / vpHeight - vpOffsetY - 0.5) * 2.0,\n (fragCoord.z - 0.5) * 2.0,\n 1.0);\n\n vec4 worldCoord = PCWCMatrix * pcPos;\n vec4 vertex = (worldCoord/worldCoord.w);\n\n vec3 index = (vWCtoIDX * vertex).xyz;\n\n // half voxel fix for labelmapOutline\n return (index + vec3(0.5)) / vec3(volumeDimensions);\n}\n#endif\n\n//=======================================================================\n// compute the normals and gradient magnitudes for a position\n// for independent components\nmat4 computeMat4Normal(vec3 pos, vec4 tValue, vec3 tstep)\n{\n mat4 result;\n vec4 distX = getTextureValue(pos + vec3(tstep.x, 0.0, 0.0)) - tValue;\n vec4 distY = getTextureValue(pos + vec3(0.0, tstep.y, 0.0)) - tValue;\n vec4 distZ = getTextureValue(pos + vec3(0.0, 0.0, tstep.z)) - tValue;\n\n // divide by spacing\n distX /= vSpacing.x;\n distY /= vSpacing.y;\n distZ /= vSpacing.z;\n\n mat3 rot;\n rot[0] = vPlaneNormal0;\n rot[1] = vPlaneNormal2;\n rot[2] = vPlaneNormal4;\n\n#if !defined(vtkComponent0Proportional)\n result[0].xyz = vec3(distX.r, distY.r, distZ.r);\n result[0].a = length(result[0].xyz);\n result[0].xyz *= rot;\n if (result[0].w > 0.0)\n {\n result[0].xyz /= result[0].w;\n }\n#endif\n\n// optionally compute the 2nd component\n#if vtkNumComponents >= 2 && !defined(vtkComponent1Proportional)\n result[1].xyz = vec3(distX.g, distY.g, distZ.g);\n result[1].a = length(result[1].xyz);\n result[1].xyz *= rot;\n if (result[1].w > 0.0)\n {\n result[1].xyz /= result[1].w;\n }\n#endif\n\n// optionally compute the 3rd component\n#if vtkNumComponents >= 3 && !defined(vtkComponent2Proportional)\n result[2].xyz = vec3(distX.b, distY.b, distZ.b);\n result[2].a = length(result[2].xyz);\n result[2].xyz *= rot;\n if (result[2].w > 0.0)\n {\n result[2].xyz /= result[2].w;\n }\n#endif\n\n// optionally compute the 4th component\n#if vtkNumComponents >= 4 && !defined(vtkComponent3Proportional)\n result[3].xyz = vec3(distX.a, distY.a, distZ.a);\n result[3].a = length(result[3].xyz);\n result[3].xyz *= rot;\n if (result[3].w > 0.0)\n {\n result[3].xyz /= result[3].w;\n }\n#endif\n\n return result;\n}\n\n//=======================================================================\n// global shadow - secondary ray\n#if defined(VolumeShadowOn) || defined(localAmbientOcclusionOn)\nfloat random()\n{\n float rand = fract(sin(dot(gl_FragCoord.xy,vec2(12.9898,78.233)))*43758.5453123);\n float jitter=texture2D(jtexture,gl_FragCoord.xy/32.).r;\n uint pcg_state = floatBitsToUint(jitter);\n uint state = pcg_state;\n pcg_state = pcg_state * uint(747796405) + uint(2891336453);\n uint word = ((state >> ((state >> uint(28)) + uint(4))) ^ state) * uint(277803737);\n return (float((((word >> uint(22)) ^ word) >> 1 ))/float(2147483647) + rand)/2.0;\n}\n#endif\n\n#ifdef VolumeShadowOn\n// henyey greenstein phase function\nfloat phase_function(float cos_angle)\n{\n // divide by 2.0 instead of 4pi to increase intensity\n return ((1.0-anisotropy2)/pow(1.0+anisotropy2-2.0*anisotropy*cos_angle, 1.5))/2.0;\n}\n\n// Computes the intersection between a ray and a box\nstruct Hit\n{\n float tmin;\n float tmax;\n};\n\nstruct Ray\n{\n vec3 origin;\n vec3 dir;\n vec3 invDir;\n};\n\nbool BBoxIntersect(vec3 boundMin, vec3 boundMax, const Ray r, out Hit hit)\n{\n vec3 tbot = r.invDir * (boundMin - r.origin);\n vec3 ttop = r.invDir * (boundMax - r.origin);\n vec3 tmin = min(ttop, tbot);\n vec3 tmax = max(ttop, tbot);\n vec2 t = max(tmin.xx, tmin.yz);\n float t0 = max(t.x, t.y);\n t = min(tmax.xx, tmax.yz);\n float t1 = min(t.x, t.y);\n hit.tmin = t0;\n hit.tmax = t1;\n return t1 > max(t0,0.0);\n}\n\n// As BBoxIntersect requires the inverse of the ray coords,\n// this function is used to avoid numerical issues\nvoid safe_0_vector(inout Ray ray)\n{\n if(abs(ray.dir.x) < EPSILON) ray.dir.x = sign(ray.dir.x) * EPSILON;\n if(abs(ray.dir.y) < EPSILON) ray.dir.y = sign(ray.dir.y) * EPSILON;\n if(abs(ray.dir.z) < EPSILON) ray.dir.z = sign(ray.dir.z) * EPSILON;\n}\n\nfloat volume_shadow(vec3 posIS, vec3 lightDirNormIS)\n{\n float shadow = 1.0;\n float opacity = 0.0;\n\n // modify sample distance with a random number between 1.5 and 3.0\n float sampleDistanceISVS_jitter = sampleDistanceISVS * mix(1.5, 3.0, random());\n float opacityPrev = texture2D(otexture, vec2(getTextureValue(posIS).r * oscale0 + oshift0, 0.5)).r;\n\n // in case the first sample near surface has a very tiled light ray, we need to offset start position\n posIS += sampleDistanceISVS_jitter * lightDirNormIS;\n\n // compute the start and end points for the ray\n Ray ray;\n Hit hit;\n ray.origin = posIS;\n ray.dir = lightDirNormIS;\n safe_0_vector(ray);\n ray.invDir = 1.0/ray.dir;\n\n if(!BBoxIntersect(vec3(0.0),vec3(1.0), ray, hit))\n {\n return 1.0;\n }\n float maxdist = hit.tmax;\n\n // interpolate shadow ray length between: 1 unit of sample distance in IS to SQRT3, based on globalIlluminationReach\n float maxgi = mix(sampleDistanceISVS_jitter,SQRT3,giReach);\n maxdist = min(maxdist,maxgi);\n if(maxdist < EPSILON) {\n return 1.0;\n }\n\n // support gradient opacity\n #ifdef vtkGradientOpacityOn\n vec4 normal;\n #endif\n\n float current_dist = 0.0;\n float current_step = length(sampleDistanceISVS_jitter * lightDirNormIS);\n float clamped_step = 0.0;\n\n vec4 scalar = vec4(0.0);\n while(current_dist < maxdist)\n {\n#ifdef vtkClippingPlanesOn\n vec3 posVC = IStoVC(posIS);\n for (int i = 0; i < clip_numPlanes; ++i)\n {\n if (dot(vec3(vClipPlaneOrigins[i] - posVC), vClipPlaneNormals[i]) > 0.0)\n {\n current_dist = maxdist;\n }\n }\n#endif\n scalar = getTextureValue(posIS);\n opacity = texture2D(otexture, vec2(scalar.r * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n normal = computeNormal(posIS, vec3(1.0/vec3(volumeDimensions)));\n opacity *= computeGradientOpacityFactor(normal.w, goscale0, goshift0, gomin0, gomax0);\n #endif\n shadow *= 1.0 - opacity;\n\n // optimization: early termination\n if (shadow < EPSILON){\n return 0.0;\n }\n\n clamped_step = min(maxdist - current_dist, current_step);\n posIS += clamped_step * lightDirNormIS;\n current_dist += current_step;\n }\n\n return shadow;\n}\n\nvec3 applyShadowRay(vec3 tColor, vec3 posIS, vec3 viewDirectionVC)\n{\n vec3 vertLight = vec3(0.0);\n vec3 secondary_contrib = vec3(0.0);\n // here we assume only positional light, no effect of cones\n for (int i = 0; i < lightNum; i++)\n {\n #if(vtkLightComplexity==3)\n if (lightPositional[i] == 1){\n vertLight = lightPositionVC[i] - IStoVC(posIS);\n }else{\n vertLight = - lightDirectionVC[i];\n }\n #else\n vertLight = - lightDirectionVC[i];\n #endif\n // here we assume achromatic light, only intensity\n float dDotL = dot(viewDirectionVC, normalize(vertLight));\n // isotropic scatter returns 0.5 instead of 1/4pi to increase intensity\n float phase_attenuation = 0.5;\n if (abs(anisotropy) > EPSILON){\n phase_attenuation = phase_function(dDotL);\n }\n float vol_shadow = volume_shadow(posIS, normalize(rotateToIDX(vertLight)));\n secondary_contrib += tColor * vDiffuse * lightColor[i] * vol_shadow * phase_attenuation;\n secondary_contrib += tColor * vAmbient;\n }\n return secondary_contrib;\n}\n#endif\n\n//=======================================================================\n// local ambient occlusion\n#ifdef localAmbientOcclusionOn\nvec3 sample_direction_uniform(int i)\n{\n float rand = random() * 0.5;\n float theta = PI2 * (kernelSample[i][0] + rand);\n float phi = acos(2.0 * (kernelSample[i][1] + rand) -1.0) / 2.5;\n return normalize(vec3(cos(theta)*sin(phi), sin(theta)*sin(phi), cos(phi)));\n}\n\n// return a matrix that transform startDir into z axis; startDir should be normalized\nmat3 zBaseRotationalMatrix(vec3 startDir){\n vec3 axis = cross(startDir, vec3(0.0,0.0,1.0));\n float cosA = startDir.z;\n float k = 1.0 / (1.0 + cosA);\n mat3 matrix = mat3((axis.x * axis.x * k) + cosA, (axis.y * axis.x * k) - axis.z, (axis.z * axis.x * k) + axis.y,\n (axis.x * axis.y * k) + axis.z, (axis.y * axis.y * k) + cosA, (axis.z * axis.y * k) - axis.x,\n (axis.x * axis.z * k) - axis.y, (axis.y * axis.z * k) + axis.x, (axis.z * axis.z * k) + cosA);\n return matrix;\n}\n\nfloat computeLAO(vec3 posIS, float op, vec3 lightDir, vec4 normal){\n // apply LAO only at selected locations, otherwise return full brightness\n if (normal.w > 0.0 && op > 0.05){\n float total_transmittance = 0.0;\n mat3 inverseRotateBasis = inverse(zBaseRotationalMatrix(normalize(-normal.xyz)));\n vec3 currPos, randomDirStep;\n float weight, transmittance, opacity;\n for (int i = 0; i < kernelSize; i++)\n {\n randomDirStep = inverseRotateBasis * sample_direction_uniform(i) * sampleDistanceIS;\n weight = 1.0 - dot(normalize(lightDir), normalize(randomDirStep));\n currPos = posIS;\n transmittance = 1.0;\n for (int j = 0; j < kernelRadius ; j++){\n currPos += randomDirStep;\n // check if it's at clipping plane, if so return full brightness\n if (all(greaterThan(currPos, vec3(EPSILON))) && all(lessThan(currPos,vec3(1.0-EPSILON)))){\n opacity = texture2D(otexture, vec2(getTextureValue(currPos).r * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n opacity *= computeGradientOpacityFactor(normal.w, goscale0, goshift0, gomin0, gomax0);\n #endif\n transmittance *= 1.0 - opacity;\n }\n else{\n break;\n }\n }\n total_transmittance += transmittance / float(kernelRadius) * weight;\n\n // early termination if fully translucent\n if (total_transmittance > 1.0 - EPSILON){\n return 1.0;\n }\n }\n // average transmittance and reduce variance\n return clamp(total_transmittance / float(kernelSize), 0.3, 1.0);\n } else {\n return 1.0;\n }\n}\n#endif\n\n//=======================================================================\n// surface light contribution\n#if vtkLightComplexity > 0\n void applyLighting(inout vec3 tColor, vec4 normal)\n {\n vec3 diffuse = vec3(0.0, 0.0, 0.0);\n vec3 specular = vec3(0.0, 0.0, 0.0);\n float df, sf = 0.0;\n for (int i = 0; i < lightNum; i++){\n df = abs(dot(normal.rgb, -lightDirectionVC[i]));\n diffuse += df * lightColor[i];\n sf = pow( abs(dot(lightHalfAngleVC[i],normal.rgb)), vSpecularPower);\n specular += sf * lightColor[i];\n }\n tColor.rgb = tColor.rgb*(diffuse*vDiffuse + vAmbient) + specular*vSpecular;\n }\n #ifdef SurfaceShadowOn\n #if vtkLightComplexity < 3\n vec3 applyLightingDirectional(vec3 posIS, vec4 tColor, vec4 normal)\n {\n // everything in VC\n vec3 diffuse = vec3(0.0);\n vec3 specular = vec3(0.0);\n #ifdef localAmbientOcclusionOn\n vec3 ambient = vec3(0.0);\n #endif\n vec3 vertLightDirection;\n for (int i = 0; i < lightNum; i++){\n float ndotL,vdotR;\n vertLightDirection = lightDirectionVC[i];\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n }\n #ifdef localAmbientOcclusionOn\n return tColor.rgb * (diffuse * vDiffuse + vAmbient * ambient) + specular*vSpecular;\n #else\n return tColor.rgb * (diffuse * vDiffuse + vAmbient) + specular*vSpecular;\n #endif\n }\n #else\n vec3 applyLightingPositional(vec3 posIS, vec4 tColor, vec4 normal, vec3 posVC)\n {\n // everything in VC\n vec3 diffuse = vec3(0.0);\n vec3 specular = vec3(0.0);\n #ifdef localAmbientOcclusionOn\n vec3 ambient = vec3(0.0);\n #endif\n vec3 vertLightDirection;\n for (int i = 0; i < lightNum; i++){\n float distance,attenuation,ndotL,vdotR;\n vec3 lightDir;\n if (lightPositional[i] == 1){\n lightDir = lightDirectionVC[i];\n vertLightDirection = posVC - lightPositionVC[i];\n distance = length(vertLightDirection);\n vertLightDirection = normalize(vertLightDirection);\n attenuation = 1.0 / (lightAttenuation[i].x\n + lightAttenuation[i].y * distance\n + lightAttenuation[i].z * distance * distance);\n // per OpenGL standard cone angle is 90 or less for a spot light\n if (lightConeAngle[i] <= 90.0){\n float coneDot = dot(vertLightDirection, lightDir);\n if (coneDot >= cos(radians(lightConeAngle[i]))){ // if inside cone\n attenuation = attenuation * pow(coneDot, lightExponent[i]);\n }\n else {\n attenuation = 0.0;\n }\n }\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * attenuation * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * attenuation * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n } else {\n vertLightDirection = lightDirectionVC[i];\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n }\n }\n #ifdef localAmbientOcclusionOn\n return tColor.rgb * (diffuse * vDiffuse + vAmbient * ambient) + specular*vSpecular;\n #else\n return tColor.rgb * (diffuse * vDiffuse + vAmbient) + specular*vSpecular;\n #endif\n }\n #endif\n #endif\n#endif\n\n//=======================================================================\n// Given a texture value compute the color and opacity\n//\nvec4 getColorForValue(vec4 tValue, vec3 posIS, vec3 tstep)\n{\n#ifdef vtkImageLabelOutlineOn\n vec3 centerPosIS = fragCoordToIndexSpace(gl_FragCoord); // pos in texture space\n vec4 centerValue = getTextureValue(centerPosIS);\n bool pixelOnBorder = false;\n vec4 tColor = texture2D(ctexture, vec2(centerValue.r * cscale0 + cshift0, 0.5));\n\n // Get alpha of segment from opacity function.\n tColor.a = texture2D(otexture, vec2(centerValue.r * oscale0 + oshift0, 0.5)).r;\n\n int segmentIndex = int(centerValue.r * 255.0);\n \n // Use texture sampling for outlineThickness\n float textureCoordinate = float(segmentIndex - 1) / 1024.0;\n float textureValue = texture2D(ttexture, vec2(textureCoordinate, 0.5)).r;\n\n int actualThickness = int(textureValue * 255.0);\n\n if (actualThickness == 0) {\n return vec4(0, 0, 1, 1);\n }\n\n // Only perform outline check on fragments rendering voxels that aren't invisible.\n // Saves a bunch of needless checks on the background.\n // TODO define epsilon when building shader?\n if (float(tColor.a) > 0.01) {\n for (int i = -actualThickness; i <= actualThickness; i++) {\n for (int j = -actualThickness; j <= actualThickness; j++) {\n if (i == 0 || j == 0) {\n continue;\n }\n\n vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n gl_FragCoord.y + float(j),\n gl_FragCoord.z, gl_FragCoord.w);\n\n vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n vec4 value = getTextureValue(neighborPosIS);\n\n // If any of my neighbours are not the same value as I\n // am, this means I am on the border of the segment.\n // We can break the loops\n if (any(notEqual(value, centerValue))) {\n pixelOnBorder = true;\n break;\n }\n }\n\n if (pixelOnBorder == true) {\n break;\n }\n }\n\n // If I am on the border, I am displayed at full opacity\n if (pixelOnBorder == true) {\n tColor.a = outlineOpacity;\n }\n }\n\n#else\n // compute the normal and gradient magnitude if needed\n // We compute it as a vec4 if possible otherwise a mat4\n //\n vec4 goFactor = vec4(1.0,1.0,1.0,1.0);\n\n // compute the normal vectors as needed\n #if (vtkLightComplexity > 0) || defined(vtkGradientOpacityOn)\n #if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\n mat4 normalMat = computeMat4Normal(posIS, tValue, tstep);\n #if !defined(vtkComponent0Proportional)\n vec4 normal0 = normalMat[0];\n #endif\n #if !defined(vtkComponent1Proportional)\n vec4 normal1 = normalMat[1];\n #endif\n #if vtkNumComponents > 2\n #if !defined(vtkComponent2Proportional)\n vec4 normal2 = normalMat[2];\n #endif\n #if vtkNumComponents > 3\n #if !defined(vtkComponent3Proportional)\n vec4 normal3 = normalMat[3];\n #endif\n #endif\n #endif\n #else\n vec4 normalLight;\n #ifdef vtkComputeNormalFromOpacity\n vec3 scalarInterp[2];\n vec4 normal0 = computeNormalForDensity(posIS, tstep, scalarInterp);\n if (length(normal0)>0.0){\n #ifdef vtkGradientOpacityOn\n normalLight = computeDensityNormal(normal0.w, scalarInterp);\n #else\n normalLight = computeDensityNormal(scalarInterp);\n #endif\n if (length(normalLight) == 0.0){\n normalLight = normal0;\n }\n }\n #else\n vec4 normal0 = computeNormal(posIS, tstep);\n normalLight = normal0;\n #endif\n #endif\n #endif\n\n // compute gradient opacity factors as needed\n #if defined(vtkGradientOpacityOn)\n #if !defined(vtkComponent0Proportional)\n goFactor.x =\n computeGradientOpacityFactor(normal0.a, goscale0, goshift0, gomin0, gomax0);\n #endif\n #if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\n #if !defined(vtkComponent1Proportional)\n goFactor.y =\n computeGradientOpacityFactor(normal1.a, goscale1, goshift1, gomin1, gomax1);\n #endif\n #if vtkNumComponents > 2\n #if !defined(vtkComponent2Proportional)\n goFactor.z =\n computeGradientOpacityFactor(normal2.a, goscale2, goshift2, gomin2, gomax2);\n #endif\n #if vtkNumComponents > 3\n #if !defined(vtkComponent3Proportional)\n goFactor.w =\n computeGradientOpacityFactor(normal3.a, goscale3, goshift3, gomin3, gomax3);\n #endif\n #endif\n #endif\n #endif\n #endif\n\n // single component is always independent\n #if vtkNumComponents == 1\n vec4 tColor = texture2D(ctexture, vec2(tValue.r * cscale0 + cshift0, 0.5));\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n if (tColor.a < EPSILON){\n return vec4(0.0);\n }\n #endif\n\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n vec4 tColor = mix0*texture2D(ctexture, vec2(tValue.r * cscale0 + cshift0, height0));\n #if !defined(vtkComponent0Proportional)\n tColor.a = goFactor.x*mix0*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, height0)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, height0)).r;\n tColor *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix0));\n #endif\n\n vec3 tColor1 = mix1*texture2D(ctexture, vec2(tValue.g * cscale1 + cshift1, height1)).rgb;\n #if !defined(vtkComponent1Proportional)\n tColor.a += goFactor.y*mix1*texture2D(otexture, vec2(tValue.g * oscale1 + oshift1, height1)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.g * oscale1 + oshift1, height1)).r;\n tColor1 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix1));\n #endif\n\n #if vtkNumComponents >= 3\n vec3 tColor2 = mix2*texture2D(ctexture, vec2(tValue.b * cscale2 + cshift2, height2)).rgb;\n #if !defined(vtkComponent2Proportional)\n tColor.a += goFactor.z*mix2*texture2D(otexture, vec2(tValue.b * oscale2 + oshift2, height2)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.b * oscale2 + oshift2, height2)).r;\n tColor2 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix2));\n #endif\n\n #if vtkNumComponents >= 4\n vec3 tColor3 = mix3*texture2D(ctexture, vec2(tValue.a * cscale3 + cshift3, height3)).rgb;\n #if !defined(vtkComponent3Proportional)\n tColor.a += goFactor.w*mix3*texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, height3)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, height3)).r;\n tColor3 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix3));\n #endif\n #endif\n #endif\n #else // then not independent\n\n #if vtkNumComponents == 2\n float lum = tValue.r * cscale0 + cshift0;\n float alpha = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale1 + oshift1, 0.5)).r;\n vec4 tColor = vec4(lum, lum, lum, alpha);\n #endif\n #if vtkNumComponents == 3\n vec4 tColor;\n tColor.r = tValue.r * cscale0 + cshift0;\n tColor.g = tValue.g * cscale1 + cshift1;\n tColor.b = tValue.b * cscale2 + cshift2;\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale0 + oshift0, 0.5)).r;\n #endif\n #if vtkNumComponents == 4\n vec4 tColor;\n tColor.r = tValue.r * cscale0 + cshift0;\n tColor.g = tValue.g * cscale1 + cshift1;\n tColor.b = tValue.b * cscale2 + cshift2;\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, 0.5)).r;\n #endif\n #endif // dependent\n\n // apply lighting if requested as appropriate\n #if vtkLightComplexity > 0\n #if !defined(vtkComponent0Proportional)\n #if vtkNumComponents == 1\n #ifdef SurfaceShadowOn\n #if vtkLightComplexity < 3\n vec3 tColorS = applyLightingDirectional(posIS, tColor, normalLight);\n #else\n vec3 tColorS = applyLightingPositional(posIS, tColor, normalLight, IStoVC(posIS));\n #endif\n #endif\n\n #ifdef VolumeShadowOn\n vec3 tColorVS = applyShadowRay(tColor.rgb, posIS, rayDirVC);\n #ifdef SurfaceShadowOn\n float vol_coef = volumetricScatteringBlending * (1.0 - tColor.a / 2.0) * (1.0 - atan(normalLight.w) * INV4PI);\n tColor.rgb = (1.0-vol_coef) * tColorS + vol_coef * tColorVS;\n #else\n tColor.rgb = tColorVS;\n #endif\n #else\n tColor.rgb = tColorS;\n #endif\n\n #else\n applyLighting(tColor.rgb, normal0);\n #endif\n #endif\n\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n #if !defined(vtkComponent1Proportional)\n applyLighting(tColor1, normal1);\n #endif\n #if vtkNumComponents >= 3\n #if !defined(vtkComponent2Proportional)\n applyLighting(tColor2, normal2);\n #endif\n #if vtkNumComponents >= 4\n #if !defined(vtkComponent3Proportional)\n applyLighting(tColor3, normal3);\n #endif\n #endif\n #endif\n #endif\n #endif\n\n// perform final independent blend as needed\n#if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n tColor.rgb += tColor1;\n#if vtkNumComponents >= 3\n tColor.rgb += tColor2;\n#if vtkNumComponents >= 4\n tColor.rgb += tColor3;\n#endif\n#endif\n#endif\n\n#endif\nreturn tColor;\n}\n\nbool valueWithinScalarRange(vec4 val, vec4 min, vec4 max) {\n bool withinRange = false;\n #if vtkNumComponents == 1\n if (val.r >= min.r && val.r <= max.r) {\n withinRange = true;\n }\n #endif\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents == 2\n if (val.r >= min.r && val.r <= max.r &&\n val.g >= min.g && val.g <= max.g) {\n withinRange = true;\n }\n #endif\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 3\n if (all(greaterThanEqual(val, ipScalarRangeMin)) &&\n all(lessThanEqual(val, ipScalarRangeMax))) {\n withinRange = true;\n }\n #endif\n return withinRange;\n}\n\n//=======================================================================\n// Apply the specified blend mode operation along the ray's path.\n//\nvoid applyBlend(vec3 posIS, vec3 endIS, vec3 tdims)\n{\n vec3 tstep = 1.0/tdims;\n\n // start slightly inside and apply some jitter\n vec3 delta = endIS - posIS;\n vec3 stepIS = normalize(delta)*sampleDistanceIS;\n float raySteps = length(delta)/sampleDistanceIS;\n\n // avoid 0.0 jitter\n float jitter = 0.01 + 0.99*texture2D(jtexture, gl_FragCoord.xy/32.0).r;\n float stepsTraveled = jitter;\n\n // local vars for the loop\n vec4 color = vec4(0.0, 0.0, 0.0, 0.0);\n vec4 tValue;\n vec4 tColor;\n\n // if we have less than one step then pick the middle point\n // as our value\n // if (raySteps <= 1.0)\n // {\n // posIS = (posIS + endIS)*0.5;\n // }\n\n // Perform initial step at the volume boundary\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n #if vtkBlendMode == 0 // COMPOSITE_BLEND\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n\n // handle very thin volumes\n if (raySteps <= 1.0)\n {\n tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps);\n gl_FragData[0] = tColor;\n return;\n }\n\n tColor.a = 1.0 - pow(1.0 - tColor.a, jitter);\n color = vec4(tColor.rgb*tColor.a, tColor.a);\n posIS += (jitter*stepIS);\n\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n\n float mix = (1.0 - color.a);\n\n // this line should not be needed but nvidia seems to not handle\n // the break correctly on windows/chrome 58 angle\n //mix = mix * sign(max(raySteps - stepsTraveled - 1.0, 0.0));\n\n color = color + vec4(tColor.rgb*tColor.a, tColor.a)*mix;\n stepsTraveled++;\n posIS += stepIS;\n if (color.a > 0.99) { color.a = 1.0; break; }\n }\n\n if (color.a < 0.99 && (raySteps - stepsTraveled) > 0.0)\n {\n posIS = endIS;\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps - stepsTraveled);\n\n float mix = (1.0 - color.a);\n color = color + vec4(tColor.rgb*tColor.a, tColor.a)*mix;\n }\n\n gl_FragData[0] = vec4(color.rgb/color.a, color.a);\n #endif\n #if vtkBlendMode == 1 || vtkBlendMode == 2\n // MAXIMUM_INTENSITY_BLEND || MINIMUM_INTENSITY_BLEND\n // Find maximum/minimum intensity along the ray.\n\n // Define the operation we will use (min or max)\n #if vtkBlendMode == 1\n #define OP max\n #else\n #define OP min\n #endif\n\n // If the clipping range is shorter than the sample distance\n // we can skip the sampling loop along the ray.\n if (raySteps <= 1.0)\n {\n gl_FragData[0] = getColorForValue(tValue, posIS, tstep);\n return;\n }\n\n vec4 value = tValue;\n posIS += (jitter*stepIS);\n\n // Sample along the ray until MaximumSamplesValue,\n // ending slightly inside the total distance\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n // If we have reached the last step, break\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // Update the maximum value if necessary\n value = OP(tValue, value);\n\n // Otherwise, continue along the ray\n stepsTraveled++;\n posIS += stepIS;\n }\n\n // Perform the last step along the ray using the\n // residual distance\n posIS = endIS;\n tValue = getTextureValue(posIS);\n value = OP(tValue, value);\n\n // Now map through opacity and color\n gl_FragData[0] = getColorForValue(value, posIS, tstep);\n #endif\n #if vtkBlendMode == 3 || vtkBlendMode == 4 //AVERAGE_INTENSITY_BLEND || ADDITIVE_BLEND\n vec4 sum = vec4(0.);\n\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n sum += tValue;\n }\n\n if (raySteps <= 1.0) {\n gl_FragData[0] = getColorForValue(sum, posIS, tstep);\n return;\n }\n\n posIS += (jitter*stepIS);\n\n // Sample along the ray until MaximumSamplesValue,\n // ending slightly inside the total distance\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n // If we have reached the last step, break\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // One can control the scalar range by setting the AverageIPScalarRange to disregard scalar values, not in the range of interest, from the average computation.\n // Notes:\n // - We are comparing all values in the texture to see if any of them\n // are outside of the scalar range. In the future we might want to allow\n // scalar ranges for each component.\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n // Sum the values across each step in the path\n sum += tValue;\n }\n stepsTraveled++;\n posIS += stepIS;\n }\n\n // Perform the last step along the ray using the\n // residual distance\n posIS = endIS;\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // One can control the scalar range by setting the IPScalarRange to disregard scalar values, not in the range of interest, from the average computation\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n sum += tValue;\n\n stepsTraveled++;\n }\n\n #if vtkBlendMode == 3 // Average\n sum /= vec4(stepsTraveled, stepsTraveled, stepsTraveled, 1.0);\n #endif\n\n gl_FragData[0] = getColorForValue(sum, posIS, tstep);\n #endif\n #if vtkBlendMode == 5 // RADON\n float normalizedRayIntensity = 1.0;\n\n // handle very thin volumes\n if (raySteps <= 1.0)\n {\n tValue = getTextureValue(posIS);\n normalizedRayIntensity = normalizedRayIntensity - sampleDistance*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n gl_FragData[0] = texture2D(ctexture, vec2(normalizedRayIntensity, 0.5));\n return;\n }\n\n posIS += (jitter*stepIS);\n\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar value\n tValue = getTextureValue(posIS);\n\n // Convert scalar value to normalizedRayIntensity coefficient and accumulate normalizedRayIntensity\n normalizedRayIntensity = normalizedRayIntensity - sampleDistance*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n\n posIS += stepIS;\n stepsTraveled++;\n }\n\n // map normalizedRayIntensity to color\n gl_FragData[0] = texture2D(ctexture, vec2(normalizedRayIntensity , 0.5));\n\n #endif\n}\n\n//=======================================================================\n// Compute a new start and end point for a given ray based\n// on the provided bounded clipping plane (aka a rectangle)\nvoid getRayPointIntersectionBounds(\n vec3 rayPos, vec3 rayDir,\n vec3 planeDir, float planeDist,\n inout vec2 tbounds, vec3 vPlaneX, vec3 vPlaneY,\n float vSize1, float vSize2)\n{\n float result = dot(rayDir, planeDir);\n if (abs(result) < 1e-6)\n {\n return;\n }\n result = -1.0 * (dot(rayPos, planeDir) + planeDist) / result;\n vec3 xposVC = rayPos + rayDir*result;\n vec3 vxpos = xposVC - vOriginVC;\n vec2 vpos = vec2(\n dot(vxpos, vPlaneX),\n dot(vxpos, vPlaneY));\n\n // on some apple nvidia systems this does not work\n // if (vpos.x < 0.0 || vpos.x > vSize1 ||\n // vpos.y < 0.0 || vpos.y > vSize2)\n // even just\n // if (vpos.x < 0.0 || vpos.y < 0.0)\n // fails\n // so instead we compute a value that represents in and out\n //and then compute the return using this value\n float xcheck = max(0.0, vpos.x * (vpos.x - vSize1)); // 0 means in bounds\n float check = sign(max(xcheck, vpos.y * (vpos.y - vSize2))); // 0 means in bounds, 1 = out\n\n tbounds = mix(\n vec2(min(tbounds.x, result), max(tbounds.y, result)), // in value\n tbounds, // out value\n check); // 0 in 1 out\n}\n\n//=======================================================================\n// given a\n// - ray direction (rayDir)\n// - starting point (vertexVCVSOutput)\n// - bounding planes of the volume\n// - optionally depth buffer values\n// - far clipping plane\n// compute the start/end distances of the ray we need to cast\nvec2 computeRayDistances(vec3 rayDir, vec3 tdims)\n{\n vec2 dists = vec2(100.0*camFar, -1.0);\n\n vec3 vSize = vSpacing*tdims;\n\n // all this is in View Coordinates\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal0, vPlaneDistance0, dists, vPlaneNormal2, vPlaneNormal4,\n vSize.y, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal1, vPlaneDistance1, dists, vPlaneNormal2, vPlaneNormal4,\n vSize.y, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal2, vPlaneDistance2, dists, vPlaneNormal0, vPlaneNormal4,\n vSize.x, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal3, vPlaneDistance3, dists, vPlaneNormal0, vPlaneNormal4,\n vSize.x, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal4, vPlaneDistance4, dists, vPlaneNormal0, vPlaneNormal2,\n vSize.x, vSize.y);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal5, vPlaneDistance5, dists, vPlaneNormal0, vPlaneNormal2,\n vSize.x, vSize.y);\n\n //VTK::ClipPlane::Impl\n\n // do not go behind front clipping plane\n dists.x = max(0.0,dists.x);\n\n // do not go PAST far clipping plane\n float farDist = -camThick/rayDir.z;\n dists.y = min(farDist,dists.y);\n\n // Do not go past the zbuffer value if set\n // This is used for intermixing opaque geometry\n //VTK::ZBuffer::Impl\n\n return dists;\n}\n\n//=======================================================================\n// Compute the index space starting position (pos) and end\n// position\n//\nvoid computeIndexSpaceValues(out vec3 pos, out vec3 endPos, vec3 rayDir, vec2 dists)\n{\n // compute starting and ending values in volume space\n pos = vertexVCVSOutput + dists.x*rayDir;\n pos = pos - vOriginVC;\n // convert to volume basis and origin\n pos = vec3(\n dot(pos, vPlaneNormal0),\n dot(pos, vPlaneNormal2),\n dot(pos, vPlaneNormal4));\n\n endPos = vertexVCVSOutput + dists.y*rayDir;\n endPos = endPos - vOriginVC;\n endPos = vec3(\n dot(endPos, vPlaneNormal0),\n dot(endPos, vPlaneNormal2),\n dot(endPos, vPlaneNormal4));\n\n float delta = length(endPos - pos);\n\n pos *= vVCToIJK;\n endPos *= vVCToIJK;\n\n float delta2 = length(endPos - pos);\n sampleDistanceIS = sampleDistance*delta2/delta;\n #ifdef VolumeShadowOn\n sampleDistanceISVS = sampleDistanceIS * volumeShadowSamplingDistFactor;\n #endif\n}\n\nvoid main()\n{\n\n if (cameraParallel == 1)\n {\n // Camera is parallel, so the rayDir is just the direction of the camera.\n rayDirVC = vec3(0.0, 0.0, -1.0);\n } else {\n // camera is at 0,0,0 so rayDir for perspective is just the vc coord\n rayDirVC = normalize(vertexVCVSOutput);\n }\n\n vec3 tdims = vec3(volumeDimensions);\n\n // compute the start and end points for the ray\n vec2 rayStartEndDistancesVC = computeRayDistances(rayDirVC, tdims);\n\n // do we need to composite? aka does the ray have any length\n // If not, bail out early\n if (rayStartEndDistancesVC.y <= rayStartEndDistancesVC.x)\n {\n discard;\n }\n\n // IS = Index Space\n vec3 posIS;\n vec3 endIS;\n computeIndexSpaceValues(posIS, endIS, rayDirVC, rayStartEndDistancesVC);\n\n // Perform the blending operation along the ray\n applyBlend(posIS, endIS, tdims);\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let a=n.Fragment;o.getProperty().getInterpolationType()===_g&&(a=xd.substitute(a,"//VTK::TrilinearOn","#define vtkTrilinearOn").result),!0===o.getProperty().getUseLabelOutline()&&(a=xd.substitute(a,"//VTK::ImageLabelOutlineOn","#define vtkImageLabelOutlineOn").result);const i=t.scalarTexture.getComponents();a=xd.substitute(a,"//VTK::NumComponents",`#define vtkNumComponents ${i}`).result;const s=o.getProperty().getIndependentComponents();if(s){a=xd.substitute(a,"//VTK::IndependentComponentsOn","#define vtkIndependentComponentsOn").result;const e=[];for(let t=0;t0&&(a=xd.substitute(a,"//VTK::vtkProportionalComponents",e.join("\n")).result)}const l=t.currentInput.getSpatialExtent(),c=t.currentInput.getSpacing(),u=new Float64Array(3);Pn(u,(l[1]-l[0])*c[0],(l[3]-l[2])*c[1],(l[5]-l[4])*c[2]);const d=Sn(u)/e.getCurrentSampleDistance(r);a=xd.substitute(a,"//VTK::MaximumSamplesValue",`${Math.ceil(d)}`).result,a=xd.substitute(a,"//VTK::LightComplexity",`#define vtkLightComplexity ${t.lastLightComplexity}`).result,t.lastLightComplexity>0&&(t.renderable.getVolumetricScatteringBlending()>0&&(a=xd.substitute(a,"//VTK::VolumeShadowOn","#define VolumeShadowOn").result),t.renderable.getVolumetricScatteringBlending()<1&&(a=xd.substitute(a,"//VTK::SurfaceShadowOn","#define SurfaceShadowOn").result),t.renderable.getLocalAmbientOcclusion()&&o.getProperty().getAmbient()>0&&(a=xd.substitute(a,"//VTK::localAmbientOcclusionOn","#define localAmbientOcclusionOn").result)),t.gopacity=o.getProperty().getUseGradientOpacity(0);for(let e=1;s&&!t.gopacity&&e{if(0===t.lastLightComplexity)return;let o=e.Fragment,a=0;n.getLights().forEach((e=>{e.getSwitch()&&(a+=1)})),o=xd.substitute(o,"//VTK::Light::Dec",["uniform int lightNum;","uniform bool twoSidedLighting;",`uniform vec3 lightColor[${a}];`,`uniform vec3 lightDirectionVC[${a}]; // normalized`,`uniform vec3 lightHalfAngleVC[${a}];`,"//VTK::Light::Dec"],!1).result,3===t.lastLightComplexity&&(o=xd.substitute(o,"//VTK::Light::Dec",[`uniform vec3 lightPositionVC[${a}];`,`uniform vec3 lightAttenuation[${a}];`,`uniform float lightConeAngle[${a}];`,`uniform float lightExponent[${a}];`,`uniform int lightPositional[${a}];`],!1).result),t.renderable.getVolumetricScatteringBlending()>0&&(o=xd.substitute(o,"//VTK::VolumeShadow::Dec",["uniform float volumetricScatteringBlending;","uniform float giReach;","uniform float volumeShadowSamplingDistFactor;","uniform float anisotropy;","uniform float anisotropy2;"],!1).result),t.renderable.getLocalAmbientOcclusion()&&r.getProperty().getAmbient()>0&&(o=xd.substitute(o,"//VTK::LAO::Dec",["uniform int kernelRadius;",`uniform vec2 kernelSample[${t.renderable.getLAOKernelRadius()}];`,"uniform int kernelSize;"],!1).result),e.Fragment=o},e.replaceShaderClippingPlane=(e,n,r)=>{let o=e.Fragment;if(t.renderable.getClippingPlanes().length>0){const e=t.renderable.getClippingPlanes().length;o=xd.substitute(o,"//VTK::ClipPlane::Dec",["uniform vec3 vClipPlaneNormals[6];","uniform float vClipPlaneDistances[6];","uniform vec3 vClipPlaneOrigins[6];","uniform int clip_numPlanes;","//VTK::ClipPlane::Dec","#define vtkClippingPlanesOn"],!1).result,o=xd.substitute(o,"//VTK::ClipPlane::Impl",[`for(int i = 0; i < ${e}; i++) {`," float rayDirRatio = dot(rayDir, vClipPlaneNormals[i]);"," float equationResult = dot(vertexVCVSOutput, vClipPlaneNormals[i]) + vClipPlaneDistances[i];"," if (rayDirRatio == 0.0)"," {"," if (equationResult < 0.0) dists.x = dists.y;"," continue;"," }"," float result = -1.0 * equationResult / rayDirRatio;"," if (rayDirRatio < 0.0) dists.y = min(dists.y, result);"," else dists.x = max(dists.x, result);","}","//VTK::ClipPlane::Impl"],!1).result}e.Fragment=o},e.getNeedToRebuildShaders=(n,r,o)=>{let a=0;o.getProperty().getShade()&&t.renderable.getBlendMode()===Ug&&(a=0,t.numberOfLights=0,r.getLights().forEach((e=>{e.getSwitch()>0&&(t.numberOfLights++,0===a&&(a=1)),1===a&&(t.numberOfLights>1||1!==e.getIntensity()||!e.lightTypeIsHeadLight())&&(a=2),a<3&&e.getPositional()&&(a=3)})));let i=!1;t.lastLightComplexity!==a&&(t.lastLightComplexity=a,i=!0);const s=t.scalarTexture.getComponents(),l=o.getProperty().getIndependentComponents();let c=!1;const u=[];if(l){for(let e=0;e0&&(c=!0)}const d=t.currentInput.getSpatialExtent(),p=t.currentInput.getSpacing(),f=new Float64Array(3);Pn(f,(d[1]-d[0])*p[0],(d[3]-d[2])*p[1],(d[5]-d[4])*p[2]);const g=Sn(f)/e.getCurrentSampleDistance(r),m={interpolationType:o.getProperty().getInterpolationType(),useLabelOutline:o.getProperty().getUseLabelOutline(),numComp:s,usesProportionalComponents:c,iComps:l,maxSamples:g,useGradientOpacity:o.getProperty().getUseGradientOpacity(0),blendMode:t.renderable.getBlendMode(),proportionalComponents:u};return t.previousState&&t.previousState.interpolationType===m.interpolationType&&t.previousState.useLabelOutline===m.useLabelOutline&&t.previousState.numComp===m.numComp&&t.previousState.usesProportionalComponents===m.usesProportionalComponents&&t.previousState.iComps===m.iComps&&t.previousState.maxSamples===m.maxSamples&&t.previousState.useGradientOpacity===m.useGradientOpacity&&t.previousState.blendMode===m.blendMode&&function(e,t){if(e.length!==t.length)return!1;for(let n=0;n{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(a,r,o);const i=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==n.getProgram()&&(n.setProgram(i),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o),e.getClippingPlaneShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const a=n.getProgram();n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(a.isAttributeUsed("vertexDC")&&(n.getVAO().addAttributeArray(a,n.getCABO(),"vertexDC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||$g("Error setting vertexDC in shader VAO.")),n.getAttributeUpdateTime().modified()),a.setUniformi("texture1",t.scalarTexture.getTextureUnit()),a.setUniformf("sampleDistance",e.getCurrentSampleDistance(r));const i=t.scalarTexture.getVolumeInfo(),s=t.renderable.getIpScalarRange(),l=[],c=[];for(let e=0;e<4;e++)l[e]=s[0]*i.dataComputedScale[e]+i.dataComputedOffset[e],c[e]=s[1]*i.dataComputedScale[e]+i.dataComputedOffset[e],l[e]=(l[e]-i.offset[e])/i.scale[e],c[e]=(c[e]-i.offset[e])/i.scale[e];if(a.setUniform4f("ipScalarRangeMin",l[0],l[1],l[2],l[3]),a.setUniform4f("ipScalarRangeMax",c[0],c[1],c[2],c[3]),null!==t.zBufferTexture){a.setUniformi("zBufferTexture",t.zBufferTexture.getTextureUnit());const e=t._useSmallViewport?[t._smallViewportWidth,t._smallViewportHeight]:t._openGLRenderWindow.getFramebufferSize();a.setUniformf("vpZWidth",e[0]),a.setUniformf("vpZHeight",e[1])}},e.setCameraShaderParameters=(n,r,o)=>{const a=t.openGLCamera.getKeyMatrices(r),i=t.openGLVolume.getKeyMatrices();b(t.modelToView,a.wcvc,i.mcwc);const s=n.getProgram(),l=t.openGLCamera.getRenderable(),c=l.getClippingRange();s.setUniformf("camThick",c[1]-c[0]),s.setUniformf("camNear",c[0]),s.setUniformf("camFar",c[1]);const u=t.currentInput.getBounds(),d=t.currentInput.getDimensions(),p=new Float64Array(3),f=new Float64Array(3);let g=1,m=-1,v=1,y=-1;for(let e=0;e<8;++e)Pn(p,u[e%2],u[2+Math.floor(e/2)%2],u[4+Math.floor(e/4)]),Ln(p,p,t.modelToView),l.getParallelProjection()||(Vn(f,p),On(p,f,-c[0]/p[2])),Ln(p,p,a.vcpc),g=Math.min(p[0],g),m=Math.max(p[0],m),v=Math.min(p[1],v),y=Math.max(p[1],y);s.setUniformf("dcxmin",g),s.setUniformf("dcxmax",m),s.setUniformf("dcymin",v),s.setUniformf("dcymax",y),s.isUniformUsed("cameraParallel")&&s.setUniformi("cameraParallel",l.getParallelProjection());const x=t.currentInput.getSpatialExtent(),T=t.currentInput.getSpacing(),C=new Float64Array(3);Pn(C,(x[1]-x[0])*T[0],(x[3]-x[2])*T[1],(x[5]-x[4])*T[2]),s.setUniform3f("vSpacing",T[0],T[1],T[2]),Pn(p,x[0],x[2],x[4]),t.currentInput.indexToWorldVec3(p,p),Ln(p,p,t.modelToView),s.setUniform3f("vOriginVC",p[0],p[1],p[2]);const S=t.currentInput.getIndexToWorld();b(t.idxToView,t.modelToView,S),ve(t.idxNormalMatrix,a.normalMatrix,i.normalMatrix),ve(t.idxNormalMatrix,t.idxNormalMatrix,t.currentInput.getDirectionByReference());const A=Sn(C)/e.getCurrentSampleDistance(r);A>t.renderable.getMaximumSamplesPerRay()&&Kg(`The number of steps required ${Math.ceil(A)} is larger than the\n specified maximum number of steps ${t.renderable.getMaximumSamplesPerRay()}.\n Please either change the\n volumeMapper sampleDistance or its maximum number of samples.`);const P=new Float64Array(3);if(Pn(P,1,1,1),function(e,t,n){e[0]=t[0]/n[0],e[1]=t[1]/n[1],e[2]=t[2]/n[2]}(P,P,C),s.setUniform3f("vVCToIJK",P[0],P[1],P[2]),s.setUniform3i("volumeDimensions",d[0],d[1],d[2]),!t._openGLRenderWindow.getWebgl2()){const e=t.scalarTexture.getVolumeInfo();s.setUniformf("texWidth",t.scalarTexture.getWidth()),s.setUniformf("texHeight",t.scalarTexture.getHeight()),s.setUniformi("xreps",e.xreps),s.setUniformi("xstride",e.xstride),s.setUniformi("ystride",e.ystride)}const I=new Float64Array(3),w=new Float64Array(3);for(let e=0;e<6;++e){switch(e){case 1:Pn(I,-1,0,0),Pn(w,x[0],x[2],x[4]);break;case 2:Pn(I,0,1,0),Pn(w,x[1],x[3],x[5]);break;case 3:Pn(I,0,-1,0),Pn(w,x[0],x[2],x[4]);break;case 4:Pn(I,0,0,1),Pn(w,x[1],x[3],x[5]);break;case 5:Pn(I,0,0,-1),Pn(w,x[0],x[2],x[4]);break;default:Pn(I,1,0,0),Pn(w,x[1],x[3],x[5])}Bn(I,I,t.idxNormalMatrix),Ln(w,w,t.idxToView);const n=-1*En(w,I);s.setUniform3f(`vPlaneNormal${e}`,I[0],I[1],I[2]),s.setUniformf(`vPlaneDistance${e}`,n)}if(o.getProperty().getUseLabelOutline()){const n=t.currentInput.getWorldToIndex();s.setUniformMatrix("vWCtoIDX",n);const o=r.getActiveCamera(),[a,i]=o.getClippingRange(),l=o.getDistance();o.setClippingRange(l,l+.1);const c=t.openGLCamera.getKeyMatrices(r);h(t.projectionToWorld,c.wcpc),o.setClippingRange(a,i),t.openGLCamera.getKeyMatrices(r),s.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const u=e.getRenderTargetSize();s.setUniformf("vpWidth",u[0]),s.setUniformf("vpHeight",u[1]);const d=e.getRenderTargetOffset();s.setUniformf("vpOffsetX",d[0]/u[0]),s.setUniformf("vpOffsetY",d[1]/u[1])}if(h(t.projectionToView,a.vcpc),s.setUniformMatrix("PCVCMatrix",t.projectionToView),0===t.lastLightComplexity)return;let O=0;const M=[],R=[],V=[];if(r.getLights().forEach((e=>{if(e.getSwitch()>0){const t=e.getColor(),n=e.getIntensity();M[0+3*O]=t[0]*n,M[1+3*O]=t[1]*n,M[2+3*O]=t[2]*n;const r=e.getDirection();Pn(I,r[0],r[1],r[2]),Bn(I,I,a.normalMatrix),Vn(I,I),R[0+3*O]=I[0],R[1+3*O]=I[1],R[2+3*O]=I[2],V[0+3*O]=-.5*I[0],V[1+3*O]=-.5*I[1],V[2+3*O]=-.5*(I[2]-1),O++}})),s.setUniformi("twoSidedLighting",r.getTwoSidedLighting()),s.setUniformi("lightNum",O),s.setUniform3fv("lightColor",M),s.setUniform3fv("lightDirectionVC",R),s.setUniform3fv("lightHalfAngleVC",V),3===t.lastLightComplexity){O=0;const e=[],n=[],o=[],a=[],i=[];r.getLights().forEach((r=>{if(r.getSwitch()>0){const s=r.getAttenuationValues();n[0+3*O]=s[0],n[1+3*O]=s[1],n[2+3*O]=s[2],a[O]=r.getExponent(),o[O]=r.getConeAngle(),i[O]=r.getPositional();const l=r.getTransformedPosition();Ln(l,l,t.modelToView),e[0+3*O]=l[0],e[1+3*O]=l[1],e[2+3*O]=l[2],O+=1}})),s.setUniform3fv("lightPositionVC",e),s.setUniform3fv("lightAttenuation",n),s.setUniformfv("lightConeAngle",o),s.setUniformfv("lightExponent",a),s.setUniformiv("lightPositional",i)}if(t.renderable.getVolumetricScatteringBlending()>0&&(s.setUniformf("giReach",t.renderable.getGlobalIlluminationReach()),s.setUniformf("volumetricScatteringBlending",t.renderable.getVolumetricScatteringBlending()),s.setUniformf("volumeShadowSamplingDistFactor",t.renderable.getVolumeShadowSamplingDistFactor()),s.setUniformf("anisotropy",t.renderable.getAnisotropy()),s.setUniformf("anisotropy2",t.renderable.getAnisotropy()**2)),t.renderable.getLocalAmbientOcclusion()&&o.getProperty().getAmbient()>0){const e=t.renderable.getLAOKernelSize();s.setUniformi("kernelSize",e);const n=[];for(let t=0;t{const o=e.getProgram();o.setUniformi("ctexture",t.colorTexture.getTextureUnit()),o.setUniformi("otexture",t.opacityTexture.getTextureUnit()),o.setUniformi("jtexture",t.jitterTexture.getTextureUnit()),o.setUniformi("ttexture",t.labelOutlineThicknessTexture.getTextureUnit());const a=t.scalarTexture.getVolumeInfo(),i=r.getProperty(),s=t.scalarTexture.getComponents(),l=r.getProperty().getIndependentComponents();if(l&&s>=2)for(let e=0;e0&&(o.setUniformf("vAmbient",i.getAmbient()),o.setUniformf("vDiffuse",i.getDiffuse()),o.setUniformf("vSpecular",i.getSpecular()),o.setUniformf("vSpecularPower",i.getSpecularPower()))},e.getClippingPlaneShaderParameters=(e,n,r)=>{if(t.renderable.getClippingPlanes().length>0){const r=t.openGLCamera.getKeyMatrices(n),o=[],a=[],i=[],s=t.renderable.getClippingPlanes(),l=s.length;for(let e=0;e{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.getRenderTargetSize=()=>{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getCurrentSampleDistance=e=>{const n=e.getVTKWindow().getInteractor(),r=t.renderable.getSampleDistance();return n.isAnimating()?r*t.renderable.getInteractionSampleDistanceFactor():r},e.renderPieceStart=(n,r)=>{const o=n.getVTKWindow().getInteractor();if(t._lastScale||(t._lastScale=t.renderable.getInitialInteractionScale()),t._useSmallViewport=!1,o.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._animationRateSubscription||(t._animationRateSubscription=o.onAnimationFrameRateUpdate((()=>{if(t.renderable.getAutoAdjustSampleDistances()){const e=o.getRecentAnimationFrameRate(),n=o.getDesiredUpdateRate()/e;(n>1.15||n<.85)&&(t._lastScale*=n),t._lastScale>400&&(t._lastScale=400),t._lastScale<1.5&&(t._lastScale=1.5)}else t._lastScale=t.renderable.getImageSampleDistance()*t.renderable.getImageSampleDistance()}))),t._useSmallViewport){const e=t._openGLRenderWindow.getFramebufferSize(),n=1/Math.sqrt(t._lastScale);if(t._smallViewportWidth=Math.ceil(n*e[0]),t._smallViewportHeight=Math.ceil(n*e[1]),t._smallViewportHeight>e[1]&&(t._smallViewportHeight=e[1]),t._smallViewportWidth>e[0]&&(t._smallViewportWidth=e[0]),t.framebuffer.saveCurrentBindingsAndBuffers(),null===t.framebuffer.getGLFramebuffer())t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer();else{const n=t.framebuffer.getSize();n[0]===e[0]&&n[1]===e[1]||(t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer())}t.framebuffer.bind();const r=t.context;r.clearColor(0,0,0,0),r.colorMask(!0,!0,!0,!0),r.clear(r.COLOR_BUFFER_BIT),r.viewport(0,0,t._smallViewportWidth,t._smallViewportHeight),t.fvp=[t._smallViewportWidth/e[0],t._smallViewportHeight/e[1]]}t.context.disable(t.context.DEPTH_TEST),e.updateBufferObjects(n,r),r.getProperty().getInterpolationType()===Fg?(t.scalarTexture.setMinificationFilter(Vd.NEAREST),t.scalarTexture.setMagnificationFilter(Vd.NEAREST)):(t.scalarTexture.setMinificationFilter(Vd.LINEAR),t.scalarTexture.setMagnificationFilter(Vd.LINEAR)),t.lastBoundBO=null,null!==t.zBufferTexture&&t.zBufferTexture.activate()},e.renderPieceDraw=(n,r)=>{const o=t.context;t.scalarTexture.activate(),t.opacityTexture.activate(),t.labelOutlineThicknessTexture.activate(),t.colorTexture.activate(),t.jitterTexture.activate(),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.scalarTexture.deactivate(),t.colorTexture.deactivate(),t.opacityTexture.deactivate(),t.labelOutlineThicknessTexture.deactivate(),t.jitterTexture.deactivate()},e.renderPieceFinish=(e,n)=>{if(null!==t.zBufferTexture&&t.zBufferTexture.deactivate(),t._useSmallViewport){if(t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader){t.copyShader=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","uniform vec2 tfactor;","varying vec2 tcoord;","void main() { tcoord = vec2(vertexDC.x*0.5 + 0.5, vertexDC.y*0.5 + 0.5) * tfactor; gl_Position = vertexDC; }"].join("\n"),["//VTK::System::Dec","//VTK::Output::Dec","uniform sampler2D texture1;","varying vec2 tcoord;","void main() { gl_FragData[0] = texture2D(texture1,tcoord); }"].join("\n"),"");const e=t.copyShader;t.copyVAO=Ad.newInstance(),t.copyVAO.setOpenGLRenderWindow(t._openGLRenderWindow),t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(e,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||$g("Error setting vertexDC in copy shader VAO.")}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(t.copyShader);const e=t._openGLRenderWindow.getFramebufferSize();t.context.viewport(0,0,e[0],e[1]);const n=t.framebuffer.getColorTexture();n.activate(),t.copyShader.setUniformi("texture",n.getTextureUnit()),t.copyShader.setUniform2f("tfactor",t.fvp[0],t.fvp[1]);const r=t.context;r.blendFuncSeparate(r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA),t.context.drawArrays(t.context.TRIANGLES,0,t.tris.getCABO().getElementCount()),n.deactivate(),r.blendFuncSeparate(r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):$g("No input!")},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():Ra(t.Bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const o=t.currentInput;if(!o)return;const a=o.getPointData()&&o.getPointData().getScalars();if(!a)return;t._scalars!==a&&(t._openGLRenderWindow.releaseGraphicsResourcesForObject(t._scalars),t._scalars=a);const i=r.getProperty();if(!t.jitterTexture.getHandle()){const e=new Uint8Array(1024);for(let t=0;t<1024;++t)e[t]=255*Math.random();t.jitterTexture.setMinificationFilter(Vd.LINEAR),t.jitterTexture.setMagnificationFilter(Vd.LINEAR),t.jitterTexture.create2DFromRaw(32,32,1,ws.UNSIGNED_CHAR,e)}const s=a.getNumberOfComponents(),l=i.getIndependentComponents()?s:1,c=i.getScalarOpacity(),u=t._openGLRenderWindow.getGraphicsResourceForObject(c);let d=qg(i,c,l);if(u.vtkObj&&u.hash===d&&t.opacityTextureString===d)t.opacityTexture=u.vtkObj,t.opacityTextureString=u.hash;else{const r=1024,o=2*r*l,a=new Float32Array(o),s=new Float32Array(r);for(let t=0;t1?1:-1,e[3*t+2]=-1;const n=new Uint16Array(8);n[0]=3,n[1]=0,n[2]=1,n[3]=3,n[4]=3,n[5]=0,n[6]=3,n[7]=2;const r=Us.newInstance({numberOfComponents:3,values:e});r.setName("points");const o=Us.newInstance({numberOfComponents:1,values:n});t.tris.getCABO().createVBO(o,"polys",ps.SURFACE,{points:r,cellOffset:0})}t.VBOBuildTime.modified()},e.updateLabelOutlineThicknessTexture=e=>{const n=e.getProperty().getLabelOutlineThickness(),r=t._openGLRenderWindow.getGraphicsResourceForObject(n),o=`${n.join("-")}`;if(r?.vtkObj&&r?.hash===o&&t.labelOutlineThicknessTextureString===o)t.labelOutlineThicknessTexture=r.vtkObj,t.labelOutlineThicknessTextureString=r.hash;else{const e=1024,r=1,a=new Uint8Array(e*r);for(let t=0;t2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Yg,n),Zt.extend(e,t,n),t.VBOBuildTime={},yt(t.VBOBuildTime,{mtime:0}),t.tris=Md.newInstance(),t.scalarTexture=$d.newInstance(),t.opacityTexture=$d.newInstance(),t.colorTexture=$d.newInstance(),t.jitterTexture=$d.newInstance(),t.jitterTexture.setWrapS(Rd.REPEAT),t.jitterTexture.setWrapT(Rd.REPEAT),t.labelOutlineThicknessTexture=$d.newInstance(),t.framebuffer=nf.newInstance(),t.idxToView=g(new Float64Array(16)),t.idxNormalMatrix=pe(new Float64Array(9)),t.modelToView=g(new Float64Array(16)),t.projectionToView=g(new Float64Array(16)),t.projectionToWorld=g(new Float64Array(16)),At(e,t,["context"]),Xg(e,t)}),"vtkOpenGLVolumeMapper");rn("vtkVolumeMapper",Zg);const{vtkDebugMacro:Qg}=Kt;function Jg(e,t){t.classHierarchy.push("vtkOpenGLPixelSpaceCallbackMapper"),e.opaquePass=(n,r)=>{t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent();const o=t._openGLRenderer.getAspectRatio(),a=t._openGLRenderer?t._openGLRenderer.getRenderable().getActiveCamera():null,i=t._openGLRenderer.getTiledSizeAndOrigin();let s=null;if(t.renderable.getUseZValues()){const e=r.getZBufferTexture(),n=Math.floor(e.getWidth()),o=Math.floor(e.getHeight()),a=t._openGLRenderWindow.getContext();e.bind();const i=r.getFramebuffer();i?i.saveCurrentBindingsAndBuffers():Qg("No framebuffer to save/restore");const l=a.createFramebuffer();a.bindFramebuffer(a.FRAMEBUFFER,l),a.framebufferTexture2D(a.FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,e.getHandle(),0),a.checkFramebufferStatus(a.FRAMEBUFFER)===a.FRAMEBUFFER_COMPLETE&&(s=new Uint8Array(n*o*4),a.viewport(0,0,n,o),a.readPixels(0,0,n,o,a.RGBA,a.UNSIGNED_BYTE,s)),i&&i.restorePreviousBindingsAndBuffers(),a.deleteFramebuffer(l)}t.renderable.invokeCallback(t.renderable.getInputData(),a,o,i,s)},e.queryPass=(e,n)=>{e&&t.renderable.getUseZValues()&&n.requestDepth()}}const em={};const tm=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,em,n),Zt.extend(e,t,n),Jg(e,t)}),"vtkOpenGLPixelSpaceCallbackMapper");rn("vtkPixelSpaceCallbackMapper",tm);var nm="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtktextureObjectVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexDC;\nattribute vec2 tcoordDC;\nvarying vec2 tcoordVC;\n\nvoid main()\n{\n tcoordVC = tcoordDC;\n gl_Position = vertexDC;\n}\n";const{Representation:rm}=xs;function om(e,t,n,r){let[o,a]=t;const i=e.getContext(),s=$d.newInstance({autoParameters:!1,wrapS:r,wrapT:r,minificationFilter:n,magnificationFilter:n,generateMipmap:!1,openGLDataType:i.FLOAT,baseLevel:0,maxLevel:0});return s.setOpenGLRenderWindow(e),s.setInternalFormat(i.RGBA32F),s.create2DFromRaw(o,a,4,"Float32Array",null),s.activate(),s.sendParameters(),s.deactivate(),s}function am(e,t){return om(e,t,$d.Filter.NEAREST,$d.Wrap.CLAMP_TO_EDGE)}function im(e,t){t.classHierarchy.push("vtkLICPingPongBufferManager"),t._openGLRenderWindow?(t.quad=function(e){const t=Md.newInstance();t.setOpenGLRenderWindow(e);const n=new Float32Array(12);for(let e=0;e<4;e++)n[3*e]=e%2*2-1,n[3*e+1]=e>1?1:-1,n[3*e+2]=0;const r=new Float32Array([0,0,1,0,0,1,1,1]),o=new Uint16Array(8);o[0]=3,o[1]=0,o[2]=1,o[3]=3,o[4]=3,o[5]=0,o[6]=3,o[7]=2;const a=Us.newInstance({numberOfComponents:3,values:n});a.setName("points");const i=Us.newInstance({numberOfComponents:1,values:o}),s=Us.newInstance({numberOfComponents:2,values:r});return t.getCABO().createVBO(i,"polys",rm.SURFACE,{points:a,cellOffset:0,tcoords:s}),t}(t._openGLRenderWindow),t.context=t._openGLRenderWindow.getContext(),t.licTexture0=am(t._openGLRenderWindow,t.size),t.seedTexture0=am(t._openGLRenderWindow,t.size),t.licTexture1=am(t._openGLRenderWindow,t.size),t.seedTexture1=am(t._openGLRenderWindow,t.size),t.eeTexture=t.doEEPass?om(t._openGLRenderWindow,t.size,$d.Filter.NEAREST,$d.Wrap.CLAMP_TO_EDGE):null,t.imageVectorTexture=t.doVTPass?function(e,t){return om(e,t,$d.Filter.LINEAR,$d.Wrap.CLAMP_TO_EDGE)}(t._openGLRenderWindow,t.size):null,t.pingTextures[0]=t.licTexture0,t.pingTextures[1]=t.seedTexture0,t.pongTextures[0]=t.licTexture1,t.pongTextures[1]=t.seedTexture1,t.textures[0]=t.pingTextures,t.textures[1]=t.pongTextures,e.swap=()=>{t.readIndex=1-t.readIndex},e.renderQuad=(e,n)=>{const r=t.quad,o=t.context;let a=t.quadVAO;a||(a=Ad.newInstance(),a.setOpenGLRenderWindow(t._openGLRenderWindow),t.quadVAO=a),t.previousProgramHash!==n.getMd5Hash()&&(a.shaderProgramChanged(),r.getCABO().bind(),a.addAttributeArray(n,r.getCABO(),"vertexDC",r.getCABO().getVertexOffset(),r.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE),a.addAttributeArray(n,r.getCABO(),"tcoordDC",r.getCABO().getTCoordOffset(),r.getCABO().getStride(),t.context.FLOAT,2,t.context.FALSE),t.previousProgramHash=n.getMd5Hash()),o.drawArrays(o.TRIANGLES,0,r.getCABO().getElementCount()),a.release()},e.getLastLICBuffer=()=>0===t.readIndex?t.licTexture0:t.licTexture1,e.getLastSeedBuffer=()=>0===t.readIndex?t.seedTexture0:t.seedTexture1,e.getLICBuffer=()=>1-t.readIndex==0?t.licTexture0:t.licTexture1,e.getSeedBuffer=()=>1-t.readIndex==0?t.seedTexture0:t.seedTexture1,e.getLICTextureUnit=()=>{const e=t.textures[t.readIndex][0];return e.activate(),e.getTextureUnit()},e.getSeedTextureUnit=()=>{const e=t.textures[t.readIndex][1];return e.activate(),e.getTextureUnit()},e.getNoiseTextureUnit=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return 0===e?(t.noiseTexture.activate(),t.noiseTexture.getTextureUnit()):(t.eeTexture.activate(),t.eeTexture.getTextureUnit())},e.getVectorTextureUnit=()=>(t.vectorTexture.activate(),t.vectorTexture.getTextureUnit()),e.getImageVectorTextureUnit=()=>t.imageVectorTexture?(t.imageVectorTexture.activate(),t.imageVectorTexture.getTextureUnit()):e.getVectorTextureUnit(),e.getMaskVectorTextureUnit=()=>t.maskVectorTexture?(t.maskVectorTexture.activate(),t.maskVectorTexture.getTextureUnit()):e.getImageVectorTextureUnit(),e.clearBuffers=function(){let e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];const n=t.framebuffer,r=t.context;n.removeColorBuffer(0),n.removeColorBuffer(1),n.removeColorBuffer(2),n.removeColorBuffer(3),n.setColorBuffer(t.licTexture0,0),n.setColorBuffer(t.seedTexture0,1),n.setColorBuffer(t.licTexture1,2),n.setColorBuffer(t.seedTexture1,3);const o=[r.COLOR_ATTACHMENT0,r.COLOR_ATTACHMENT1,r.COLOR_ATTACHMENT2,r.COLOR_ATTACHMENT3];e&&(n.removeColorBuffer(4),n.setColorBuffer(t.eeTexture,4),o.push(r.COLOR_ATTACHMENT4)),r.drawBuffers(o),r.clearColor(0,1,0,0),r.disable(r.SCISSOR_TEST),r.disable(r.BLEND),r.clear(r.COLOR_BUFFER_BIT),n.removeColorBuffer(0),n.removeColorBuffer(1),n.removeColorBuffer(2),n.removeColorBuffer(3),e&&n.removeColorBuffer(4),r.drawBuffers([r.NONE])},e.clearBuffer=e=>{const n=t.framebuffer,r=t.context;n.removeColorBuffer(0),n.setColorBuffer(e,0),r.drawBuffers([r.COLOR_ATTACHMENT0]),r.clearColor(0,1,0,0),r.disable(r.SCISSOR_TEST),r.disable(r.BLEND),r.clear(r.COLOR_BUFFER_BIT),n.removeColorBuffer(e,0),r.drawBuffers([r.NONE])},e.activateVectorTextures=()=>{t.imageVectorTexture?t.imageVectorTexture.activate():t.vectorTexture.activate(),t.maskVectorTexture&&t.maskVectorTexture.activate()},e.deactivateVectorTextures=()=>{t.imageVectorTexture?t.imageVectorTexture.deactivate():t.vectorTexture.deactivate(),t.maskVectorTexture&&t.maskVectorTexture.deactivate()},e.activateNoiseTexture=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;switch(e){case 0:t.noiseTexture.activate();break;case 1:t.eeTexture.activate();break;default:console.error("Wrong LIC pass number")}},e.deactivateNoiseTexture=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;switch(e){case 0:t.noiseTexture.deactivate();break;case 1:t.eeTexture.deactivate();break;default:console.error("Wrong LIC pass number")}},e.attachLICBuffers=()=>{const e=t.textures[t.readIndex],n=t.textures[1-t.readIndex],r=t.framebuffer,o=t.context;e[0].activate(),e[1].activate(),r.removeColorBuffer(0),r.removeColorBuffer(1),r.setColorBuffer(n[0],0),r.setColorBuffer(n[1],1),o.drawBuffers([o.COLOR_ATTACHMENT0,o.COLOR_ATTACHMENT1])},e.detachLICBuffers=()=>{const e=t.textures[t.readIndex],n=t.context,r=t.framebuffer;e[0].deactivate(),e[1].deactivate(),r.removeColorBuffer(0),r.removeColorBuffer(1),n.drawBuffers([n.NONE])},e.attachImageVectorBuffer=()=>{const e=t.framebuffer,n=t.context;t.vectorTexture.activate(),e.removeColorBuffer(0),e.setColorBuffer(t.imageVectorTexture,0),n.drawBuffers([n.COLOR_ATTACHMENT0])},e.detachImageVectorBuffer=()=>{const e=t.context,n=t.framebuffer;t.vectorTexture.deactivate(),n.removeColorBuffer(0),e.drawBuffers([e.NONE])},e.attachEEBuffer=()=>{t.textures[t.readIndex][0].activate(),t.framebuffer.removeColorBuffer(0),t.framebuffer.setColorBuffer(t.eeTexture,0);const e=t.context;e.drawBuffers([e.COLOR_ATTACHMENT0])},e.detachEEBuffer=()=>{const e=t.context;t.framebuffer.removeColorBuffer(0),e.drawBuffers([e.NONE]),t.textures[t.readIndex][0].deactivate()},e.detachBuffers=()=>{const e=t.context,n=t.framebuffer;n.removeColorBuffer(0),n.removeColorBuffer(1),e.drawBuffers([e.NONE]);const r=t.textures[t.readIndex],o=t.textures[1-t.readIndex];r[0]&&r[0].deactivate(),r[1]&&r[1].deactivate(),o[0]&&o[0].deactivate(),o[1]&&o[1].deactivate(),t.eeTexture&&t.eeTexture.deactivate(),t.noiseTexture&&t.noiseTexture.deactivate()},e.getWriteIndex=()=>1-t.readIndex,e.detachBuffers()):console.error("Pass renderwindow to ping pong manager")}const sm={vectorTexture:null,maskVectorTexture:null,noiseTexture:null,doEEPass:!1,doVTPass:!1,readIndex:0,quad:null,lastProgramHash:null,framebuffer:null,size:null,pingTextures:[],pongTextures:[],textures:[]};function lm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,sm,n),jt.obj(e,t),jt.get(e,t,["readIndex"]),jt.setGet(e,t,["doEEPass","doVTPass","_openGLRenderWindow","vectorTexture","maskVectorTexture","noiseTexture","framebuffer","size"]),jt.moveToProtected(e,t,["openGLRenderWindow"]),im(e,t)}var cm={newInstance:jt.newInstance(lm,"vtkLICPingPongBufferManager"),extend:lm};const um=0,dm=1,pm=2,fm=3,gm=1;function mm(e,t){function n(e,t){e.setUniformi("texLIC",t.getLICTextureUnit()),e.setUniformi("texSeedPts",t.getSeedTextureUnit())}function r(e,t,n){e.attachLICBuffers(),e.renderQuad(t,n),e.detachLICBuffers(),e.swap()}t.classHierarchy.push("vtkLineIntegralConvolution2D"),e.buildAShader=e=>t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(nm,e,""),e.dumpTextureValues=function(e,n){let[r,o]=n,a=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t.context,i=arguments.length>3&&void 0!==arguments[3]?arguments[3]:t._openGLRenderWindow,s=arguments.length>4&&void 0!==arguments[4]?arguments[4]:4;const l=nf.newInstance(),c=a;let u=null;return l.setOpenGLRenderWindow(i),l.saveCurrentBindingsAndBuffers(),l.create(r,o),l.populateFramebuffer(),l.setColorBuffer(e),u=new Float32Array(r*o*s),c.readPixels(0,0,r,o,4===s?c.RGBA:c.RGB,c.FLOAT,u),l.restorePreviousBindingsAndBuffers(),u},e.getTextureMinMax=function(n,r){let o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t.context,a=arguments.length>3&&void 0!==arguments[3]?arguments[3]:t._openGLRenderWindow;const i=e.dumpTextureValues(n,r,o,a,4);let s=Number.MAX_VALUE,l=Number.MIN_VALUE;for(let e=0;el&&(l=t)}return{min:s,max:l}},e.getComponentSelectionProgram=e=>{const t="xyzw";return`.${t[e[0]]}${t[e[1]]}`},e.buildShaders=()=>{t.LIC0ShaderProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_LIC0.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n/**\nThis shader initializes the convolution for the LIC computation.\n*/\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\nuniform sampler2D texMaskVectors;\nuniform sampler2D texNoise;\nuniform sampler2D texLIC;\n\nuniform int uStepNo; // in step 0 initialize lic and seeds, else just seeds\nuniform int uPassNo; // in pass 1 hpf of pass 0 is convolved.\nuniform float uMaskThreshold; // if |V| < uMaskThreshold render transparent\nuniform vec2 uNoiseBoundsPt1; // tc of upper right pt of noise texture\n\nin vec2 tcoordVC;\n\n// convert from vector coordinate space to noise coordinate space.\n// the noise texture is tiled across the *whole* domain\nvec2 VectorTCToNoiseTC(vec2 vectc)\n{\n return vectc/uNoiseBoundsPt1;\n}\n\n// get the texture coordidnate to lookup noise value. this\n// depends on the pass number.\nvec2 getNoiseTC(vec2 vectc)\n{\n // in pass 1 : convert from vector tc to noise tc\n // in pass 2 : use vector tc\n if (uPassNo == 0)\n {\n return VectorTCToNoiseTC(vectc);\n }\n else\n {\n return vectc;\n }\n}\n\n// look up noise value at the given location. The location\n// is supplied in vector texture coordinates, hence the\n// need to convert to noise texture coordinates.\nfloat getNoise(vec2 vectc)\n{\n return texture2D(texNoise, getNoiseTC(vectc)).r;\n}\n\nvoid main(void)\n{\n vec2 vectc = tcoordVC.st;\n\n // lic => (convolution, mask, 0, step count)\n if (uStepNo == 0)\n {\n float maskCriteria = length(texture2D(texMaskVectors, vectc).xyz);\n float maskFlag;\n if (maskCriteria <= uMaskThreshold)\n {\n maskFlag = 1.0;\n }\n else\n {\n maskFlag = 0.0;\n }\n float noise = getNoise(vectc);\n LICOutput = vec4(noise, maskFlag, 0.0, 1.0);\n }\n else\n {\n LICOutput = texture2D(texLIC, vectc);\n }\n\n // initial seed\n SeedOutput = vec4(vectc, 0.0, 1.0);\n}\n");const n=xd.substitute("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_VT.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// move vector field to normalized image space\n// pre-processing for vtkLineIntegralConvolution2D\n\n// the output of this shader\n//VTK::Output::Dec\n\n// Fragment shader used by the gaussian blur filter render pass.\n\nuniform sampler2D texVectors; // input texture\nuniform vec2 uTexSize; // size of texture\n\nin vec2 tcoordVC;\n\nvoid main(void)\n{\n //VTK::LICComponentSelection::Impl\n V = V/uTexSize;\n gl_FragData[0] = vec4(V, 0.0, 1.0);\n}\n","//VTK::LICComponentSelection::Impl",`vec2 V = texture2D(texVectors, tcoordVC.st)${e.getComponentSelectionProgram(t.componentIds)};`).result;t.VTProgram=e.buildAShader(n);const r=xd.substitute("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_fs1.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\nuniform sampler2D texVectors;\nuniform sampler2D texNoise;\nuniform sampler2D texLIC;\nuniform sampler2D texSeedPts;\n\nuniform int uPassNo; // in pass 1 hpf of pass 0 is convolved.\nuniform float uStepSize; // step size in parametric space\n\nuniform vec2 uNoiseBoundsPt1; // tc of upper right pt of noise texture\n\nin vec2 tcoordVC;\n\n//VTK::LICVectorLookup::Impl\n\n// We need to do this manually since CLAMP_TO_BORDER and and borderColor\n// are very poorly supported in webgl\nvec2 clampToBorder(vec2 uv){\n if(uv.x < 0.0 || uv.x > 1.0 || uv.y < 0.0 || uv.y > 1.0)\n {\n return vec2(0.0, 0.0);\n }\n return getVector(uv);\n}\n\n// convert from vector coordinate space to noise coordinate space.\n// the noise texture is tiled across the whole domain\nvec2 VectorTCToNoiseTC(vec2 vectc)\n{\n return vectc/uNoiseBoundsPt1;\n}\n\n// get the texture coordidnate to lookup noise value.\n// in pass 1 repeatedly tile the noise texture across\n// the computational domain.\nvec2 getNoiseTC(vec2 tc)\n{\n if (uPassNo == 0)\n {\n return VectorTCToNoiseTC(tc);\n }\n else\n {\n return tc;\n }\n}\n\n// look up noise value at the given location. The location\n// is supplied in vector texture coordinates, hence the need\n// to convert to either noise or lic texture coordinates in\n// pass 1 and 2 respectively.\nfloat getNoise(vec2 vectc)\n{\n return texture2D(texNoise, getNoiseTC(vectc)).r;\n}\n\n// fourth-order Runge-Kutta streamline integration\n// no bounds checks are made, therefore it's essential\n// to have the entire texture initialized to 0\n// and set clamp to border and have border color 0\n// an integer is set if the step was taken, keeping\n// an accurate step count is necessary to prevent\n// boundary artifacts. Don't count the step if\n// all vector lookups are identically 0. This is\n// a proxy for \"stepped outside valid domain\"\nvec2 rk4(vec2 pt0, float dt, out bool count)\n{\n count=true;\n float dtHalf = dt * 0.5;\n vec2 pt1;\n\n vec2 v0 = clampToBorder(pt0);\n pt1 = pt0 + v0 * dtHalf;\n\n vec2 v1 = clampToBorder(pt1);\n pt1 = pt0 + v1 * dtHalf;\n\n vec2 v2 = clampToBorder(pt1);\n pt1 = pt0 + v2 * dt;\n\n vec2 v3 = clampToBorder(pt1);\n vec2 vSum = v0 + v1 + v1 + v2 + v2 + v3;\n\n if (vSum == vec2(0.0, 0.0))\n {\n count = false;\n }\n\n pt1 = pt0 + (vSum) * (dt * (1.0/6.0));\n\n return pt1;\n}\n\nvoid main(void)\n{\n vec2 lictc = tcoordVC.st;\n vec4 lic = texture2D(texLIC, lictc);\n vec2 pt0 = texture2D(texSeedPts, lictc).st;\n\n bool count;\n vec2 pt1 = rk4(pt0, uStepSize, count);\n\n if (count)\n {\n // accumulate lic step\n // (lic, mask, 0, step count)\n float noise = getNoise(pt1);\n LICOutput = vec4(lic.r + noise, lic.g, 0.0, lic.a + 1.0);\n SeedOutput = vec4(pt1, 0.0, 1.0);\n }\n else\n {\n // keep existing values\n LICOutput = lic;\n SeedOutput = vec4(pt0, 0.0, 1.0);\n }\n}\n","//VTK::LICVectorLookup::Impl",function(){const e="\n vec2 getVector( vec2 vectc )\n\n {\n\n vec2 V = texture2D( texVectors, vectc ).xy;\n\n // normalize if |V| not 0\n\n float lenV = length( V );\n\n if ( lenV > 1.0e-8 )\n\n {\n\n return V/lenV;\n\n }\n\n else\n\n {\n\n return vec2( 0.0, 0.0 );\n\n }\n\n }\n\n ",t="\n vec2 getVector( vec2 vectc )\n\n {\n\n return texture2D( texVectors, vectc ).xy;\n\n }\n\n ";return arguments.length>0&&void 0!==arguments[0]&&!arguments[0]?t:e}(t.normalizeVectors),!0).result;t.LICIShaderProgram=e.buildAShader(r),t.LICNShaderProgram=e.buildAShader(" //VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_LICN.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\n/**\nThis shader finalizes the convolution for the LIC computation\napplying the normalization. eg. if box kernel is used the this\nis the number of steps taken.\n*/\n\nuniform sampler2D texLIC;\n\nin vec2 tcoordVC;\n\nvoid main(void)\n{\n vec4 conv = texture2D(texLIC, tcoordVC.st);\n conv.r = conv.r/conv.a;\n // lic => (convolution, mask, 0, 1)\n LICOutput = vec4(conv.rg , 0.0, 1.0);\n SeedOutput = vec4(0.0, 0.0, 0.0, 0.0);\n}\n"),t.CEProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_CE.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// gray scale contrast enhance stage implemented via histogram stretching\n// if the min and max are tweaked it can generate out-of-range values\n// these will be clamped in 0 to 1\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\n\nuniform sampler2D texLIC; // most recent lic pass\nuniform float uMin; // min gray scale color value\nuniform float uMaxMinDiff; // max-min\n\nin vec2 tcoordVC;\n\nvoid main( void )\n{\n vec4 lic = texture2D(texLIC, tcoordVC.st);\n if (lic.g!=0.0)\n {\n LICOutput = lic;\n }\n else\n {\n float CElic = clamp((lic.r - uMin)/uMaxMinDiff, 0.0, 1.0);\n LICOutput = vec4(CElic, lic.gb, 1.0);\n }\n SeedOutput = vec4(0.0, 0.0, 0.0, 0.0);\n}\n"),t.EEProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_fs2.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// high-pass filter stage employed by vtkLineIntegralConvolution2D\n// between LIC pass 1 and LIC pass 2. filtered LIC pass 1, becomes\n// noise for pass2.\n\n// the output of this shader\nlayout(location = 0) out vec4 EEOutput;\n\nuniform sampler2D texLIC; // most recent lic pass\nuniform float uDx; // fragment size\nuniform float uDy; // fragment size\n\nin vec2 tcoordVC;\n\n// kernel for simple laplace edge enhancement.\n// p=Laplace(p)+p\nfloat K[9] = float[9](\n -1.0, -1.0, -1.0,\n -1.0, 9.0, -1.0,\n -1.0, -1.0, -1.0\n );\n\n// determine if the fragment was masked\nbool Masked(float val) { return val != 0.0; }\n\nvoid main(void)\n{\n // tex coord neighbor offsets\n vec2 fragDx[9] = vec2[9](\n vec2(-uDx, uDy), vec2(0.0, uDy), vec2(uDx, uDy),\n vec2(-uDx, 0.0), vec2(0.0, 0.0), vec2(uDx, 0.0),\n vec2(-uDx,-uDy), vec2(0.0,-uDy), vec2(uDx,-uDy)\n );\n\n vec2 lictc = tcoordVC.st;\n\n // compute the convolution but don't use convovled values if\n // any masked fragments on the stencil. Fragments outside\n // the valid domain are masked during initialization, and\n // texture wrap parameters are clamp to border with border\n // color that contains masked flag\n float conv = 0.0;\n bool dontUse = false;\n for (int i=0; i<9; ++i)\n {\n vec2 tc = lictc + fragDx[i];\n vec4 lic = texture2D(texLIC, tc);\n dontUse = dontUse || Masked(lic.g);\n conv = conv + K[i] * lic.r;\n }\n\n if (dontUse)\n {\n EEOutput = vec4(texture2D(texLIC, lictc).rg, 0.0, 1.0);\n }\n else\n {\n conv = clamp(conv, 0.0, 1.0);\n EEOutput = vec4(conv,texture2D(texLIC, lictc).g, 0.0, 1.0);\n }\n\n}\n"),t.AAHProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_AAH.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// Anti-alias stage in vtkLineIntegralConvolution2D\n// horizontal pass of a Gaussian convolution\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\nuniform sampler2D texLIC; // input texture\nuniform float uDx; // fragment size\n\nin vec2 tcoordVC;\n\n// factored 3x3 Gaussian kernel\n// K^T*K = G\nfloat K[3] = float[3](0.141421356, 0.707106781, 0.141421356);\n\n// determine if the fragment was masked\nbool Masked(float val){ return val != 0.0; }\n\nvoid main(void)\n{\n// neighbor offsets\nvec2 fragDx[3] = vec2[3](vec2(-uDx,0.0), vec2(0.0,0.0), vec2(uDx,0.0));\n\n vec2 lictc = tcoordVC.st;\n vec4 lic[3];\n bool dontUse = false;\n float conv = 0.0;\n for (int i=0; i<3; ++i)\n {\n vec2 tc = lictc + fragDx[i];\n lic[i] = texture2D(texLIC, tc);\n dontUse = dontUse || Masked(lic[i].g);\n conv = conv + K[i] * lic[i].r;\n }\n // output is (conv, mask, skip, 1)\n if (dontUse)\n {\n LICOutput = vec4(lic[1].rg, 1.0, 1.0);\n }\n else\n {\n LICOutput = vec4(conv, lic[1].gb, 1.0);\n }\n SeedOutput = vec4(0.0, 0.0, 0.0, 0.0);\n}\n"),t.AAVProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_AAV.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// Anti-alias stage in vtkLineIntegralConvolution2D\n// vertical pass of a Gaussian convolution\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\nuniform sampler2D texLIC; // input texture\nuniform float uDy; // fragment size\n\nin vec2 tcoordVC;\n\n\n// factored 3x3 Gaussian kernel\n// K^T*K = G\nfloat K[3] = float[3](0.141421356, 0.707106781, 0.141421356);\n\n// determine if the fragment was masked\nbool Masked(float val){ return val != 0.0; }\n\nvoid main(void)\n{\n// neighbor offsets\nvec2 fragDy[3] = vec2[3](vec2(0.0,-uDy), vec2(0.0,0.0), vec2(0.0,uDy));\n\n\n vec2 lictc = tcoordVC.st;\n vec4 lic[3];\n bool dontUse = false;\n float conv = 0.0;\n for (int i=0; i<3; ++i)\n {\n vec2 tc = lictc + fragDy[i];\n lic[i] = texture2D(texLIC, tc);\n dontUse = dontUse || Masked(lic[i].g);\n conv = conv + K[i] * lic[i].r;\n }\n // output is (conv, mask, skip, 1)\n if (dontUse)\n {\n LICOutput = vec4(lic[1].rg, 1.0, 1.0);\n }\n else\n {\n LICOutput = vec4(conv, lic[1].gb, 1.0);\n }\n SeedOutput = vec4(0.0, 0.0, 0.0, 0.0);\n}\n")},e.executeLIC=(o,a,i,s,l,c)=>{if(t._openGLRenderWindow=l,t.context=l.getContext(),Object.assign(t,c),o[0]<=0||o[1]<=0)return null;const u=[1/o[0],1/o[1]];let d=t.stepSize*Math.sqrt(u[0]*u[0]+u[1]*u[1]);d<=0&&(d=1e-10);const p=t.context;let f=t.framebuffer;f&&o[0]===f.getSize()[0]&&o[1]===f.getSize()[1]||(f=nf.newInstance(),f.setOpenGLRenderWindow(t._openGLRenderWindow),f.saveCurrentBindingsAndBuffers(),f.create(...o),f.populateFramebuffer(),f.restorePreviousBindingsAndBuffers(),t.framebuffer=f),f.saveCurrentBindingsAndBuffers(),f.bind(),p.viewport(0,0,...o),p.scissor(0,0,...o),t.shadersNeedBuild&&(e.buildShaders(),t.shadersNeedBuild=!1),t.bufs?(t.bufs.setVectorTexture(a),t.bufs.setMaskVectorTexture(i),t.bufs.setNoiseTexture(s)):t.bufs=cm.newInstance({openGLRenderWindow:l,doEEPass:t.enhancedLIC,doVTPass:t.transformVectors,vectorTexture:a,maskVectorTexture:i,noiseTexture:s,framebuffer:f,size:o});const g=[(s.getWidth()+1)/o[0],(s.getHeight()+1)/o[1]],m=1/o[0],h=1/o[1],v=t._openGLRenderWindow.getShaderCache();if(t.transformVectors){const e=t.VTProgram;v.readyShaderProgram(e),t.bufs.attachImageVectorBuffer(),e.setUniform2f("uTexSize",...o),e.setUniformi("texVectors",t.bufs.getVectorTextureUnit()),p.clearColor(0,0,0,0),p.clear(p.COLOR_BUFFER_BIT),t.bufs.renderQuad(o,e),t.bufs.detachImageVectorBuffer()}t.bufs.clearBuffers(t.enhancedLIC),t.bufs.activateVectorTextures(),t.bufs.activateNoiseTexture(0);const{LIC0ShaderProgram:y}=t;v.readyShaderProgram(y),y.setUniformi("uStepNo",0),y.setUniformi("uPassNo",0),y.setUniformf("uMaskThreshold",t.maskThreshold),y.setUniform2f("uNoiseBoundsPt1",...g),y.setUniformi("texMaskVectors",t.bufs.getMaskVectorTextureUnit()),y.setUniformi("texLIC",t.bufs.getLICTextureUnit()),y.setUniformi("texNoise",t.bufs.getNoiseTextureUnit(0)),r(t.bufs,o,y);const{LICIShaderProgram:b}=t;v.readyShaderProgram(b),b.setUniformi("uPassNo",0),b.setUniformf("uStepSize",-d),b.setUniform2f("uNoiseBoundsPt1",...g),b.setUniformi("texVectors",t.bufs.getImageVectorTextureUnit()),b.setUniformi("texNoise",t.bufs.getNoiseTextureUnit(0));for(let e=0;e{const a=t._openGLRenderWindow.getShaderCache();let{min:i,max:s}=e.getTextureMinMax(t.bufs.getLastLICBuffer(),o,t.context,t._openGLRenderWindow);(s<=i||s>1||i<0)&&(console.error("Invalid color range: ",i,s),i=0,s=1);let l=s-i;n&&(i+=l*t.lowLICContrastEnhancementFactor,s-=l*t.highLICContrastEnhancementFactor,l=s-i);const{CEProgram:c}=t;a.readyShaderProgram(c),c.setUniformi("texLIC",t.bufs.getLICTextureUnit()),c.setUniformf("uMin",i),c.setUniformf("uMaxMinDiff",l),r(t.bufs,o,c)}}const hm={shadersNeedBuild:!0,stepSize:1,numberOfSteps:10,enhancedLIC:!0,enhanceContrast:!1,lowContrastEnhancementFactor:0,highContrastEnhancementFactor:0,antiAlias:0,componentIds:[0,1],normalizeVectors:!0,maskThreshold:0,transformVectors:!0,bufs:null,isComposite:!0};function vm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,hm,n),jt.obj(e,t),jt.setGet(e,t,["context","_openGLRenderWindow","nuberOfSteps","stepSize","normalizeVectors","maskThreshold","enhancedLIC","enhanceContrast","lowLICContrastEnhancementFactor","highLICContrastEnhancementFactor","antiAlias","componentIds","isComposite"]),jt.moveToProtected(e,t,["openGLRenderWindow"]),mm(e,t)}var ym={newInstance:jt.newInstance(vm,"vtkLineIntegralConvolution2D"),extend:vm};function bm(e,t){t.classHierarchy.push("vtkSurfaceLICInterface")}const xm={enableLIC:!1,nuberOfSteps:40,stepSize:.25,transformVectors:!0,normalizeVectors:!0,maskOnSurface:!1,maskThreshold:0,maskColor:[0,0,0],maskIntensity:0,enhancedLIC:!0,enhanceContrast:um,lowLICContrastEnhancementFactor:0,highLICContrastEnhancementFactor:0,lowColorContrastEnhancementFactor:0,highColorContrastEnhancementFactor:0,antiAlias:0,colorMode:0,LICIntensity:1,mapModeBias:0,noiseTextureSize:200,noiseTextureType:gm,noiseGrainSize:8,noiseImpulseProbability:.1,noiseImpulseBackgroundValue:0,noiseGeneratorSeed:0,minNoiseValue:0,maxNoiseValue:1,numberOfNoiseLevels:2,shadersNeedBuilding:!0,reallocateTextures:!0,rebuildNoiseTexture:!1,viewPortScale:1};function Tm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,xm,n),jt.obj(e,t),jt.setGet(e,t,["enableLIC","numberOfSteps","stepSize","normalizeVectors","transformVectors","maskOnSurface","maskThreshold","maskColor","maskIntensity","enhancedLIC","enhanceContrast","lowLICContrastEnhancementFactor","highLICContrastEnhancementFactor","lowColorContrastEnhancementFactor","highColorContrastEnhancementFactor","antiAlias","colorMode","LICIntensity","mapModeBias","noiseTextureSize","noiseTextureType","noiseGrainSize","minNoiseValue","maxNoiseValue","numberOfNoiseLevels","noiseImpulseProbability","noiseImpulseBackgroundValue","noiseGeneratorSeed","viewPortScale","rebuildNoiseTexture"]),bm(0,t)}var Cm={newInstance:jt.newInstance(Tm,"vtkSurfaceLICInterface"),extend:Tm};const{Representation:Sm}=xs;function Am(e,t){t.classHierarchy.push("vtkOpenGLSurfaceLICInterface"),e.renderQuad=(e,n)=>{const r=t.licQuad,o=t.context;let a=t.licQuadVAO;a||(a=Ad.newInstance(),a.setOpenGLRenderWindow(t._openGLRenderWindow),t.licQuadVAO=a),t.previousProgramHash!==n.getMd5Hash()&&(a.shaderProgramChanged(),r.getCABO().bind(),a.addAttributeArray(n,r.getCABO(),"vertexDC",r.getCABO().getVertexOffset(),r.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE),a.addAttributeArray(n,r.getCABO(),"tcoordDC",r.getCABO().getTCoordOffset(),r.getCABO().getStride(),t.context.FLOAT,2,t.context.FALSE),t.previousProgramHash=n.getMd5Hash()),o.drawArrays(o.TRIANGLES,0,r.getCABO().getElementCount()),a.release()},e.generateNoiseTexture=e=>{if(!t.noiseTexture||t.licInterface.getRebuildNoiseTexture()){t.licInterface.setRebuildNoiseTexture(!1),t.noiseTexture&&t.noiseTexture.releaseGraphicsResources(),xo()(t.noiseGeneratorSeed,{global:!0});let n=[];const{noiseTextureType:r,noiseGrainSize:o,numberOfNoiseLevels:a,noiseImpulseProbability:i,noiseImpulseBackgroundValue:s,minNoiseValue:l,maxNoiseValue:c}=t.licInterface.get("noiseTextureType","noiseGrainSize","numberOfNoiseLevels","noiseImpulseProbability","noiseImpulseBackgroundValue","minNoiseValue","maxNoiseValue");n=r===gm?function(e,t,n,r,o,a){const i=Math.max(0,Math.min(1,n)),s=Float32Array.from({length:e*e},(()=>{let e=0;if(1===i||Math.random()>1-i)for(let t=0;t<2048;++t)e+=Math.random();return e}));let l=0,c=2049;s.forEach((e=>{c=1===i?e0?e:c,l=e>l?e:l}));let u=l-c;0===u&&(c=0,u=0===l?1:l);const d=t-1,p=0!==d?1/d:0,f=a-o;return s.map((e=>{const n=e=c?1===t?a:o+(i>d?d:i)*p*f:r}))}(Math.floor(e/o),a,i,s,l,c):function(e,t,n,r){let[o,a]=e;const i=r-n;return Float32Array.from({length:o*a},(()=>{let e=Math.random();return e=Math.floor(e*t)/t,e=e*i+n,e>1?1:e<0?0:e}))}([Math.ceil(e/o),Math.ceil(e/o)],a,l,c);const u=1/o,d=Float32Array.from({length:e*e*4},((t,r)=>{const a=r/4;if(r%4==0){const t=Math.floor(a%e*u),r=Math.floor(a/e*u);return n[r*(e/o)+t]}return r%4==1||r%4==3?1:0})),p=$d.newInstance({wrapS:$d.Wrap.REPEAT,wrapT:$d.Wrap.REPEAT,minificationFilter:$d.Filter.NEAREST,magnificationFilter:$d.Filter.NEAREST,generateMipMap:!1,openGLDataType:t.context.FLOAT,baseLevel:0,maxLevel:0,autoParameters:!1});p.setOpenGLRenderWindow(t._openGLRenderWindow),p.create2DFromRaw(e,e,4,"Float32Array",d),p.activate(),p.sendParameters(),p.deactivate(),t.noiseTexture=p}},e.buildAShader=e=>t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(nm,e,""),e.allocateTextures=()=>{const n=$d.Filter.NEAREST,r=$d.Filter.LINEAR,o=t._openGLRenderWindow;t.geometryImage||(t.geometryImage=e.allocateTexture(o,n)),t.vectorImage||(t.vectorImage=e.allocateTexture(o,r)),t.maskVectorImage||(t.maskVectorImage=e.allocateTexture(o,r)),t.LICImage||(t.LICImage=e.allocateTexture(o,n)),t.RGBColorImage||(t.RGBColorImage=e.allocateTexture(o,n)),t.HSLColorImage||(t.HSLColorImage=e.allocateTexture(o,n)),t.depthTexture||(t.depthTexture=e.allocateDepthTexture(o))},e.allocateTexture=(e,n)=>{const r=t.context,o=$d.newInstance({wrapS:$d.Wrap.CLAMP_TO_EDGE,wrapT:$d.Wrap.CLAMP_TO_EDGE,minificationFilter:n,magnificationFilter:n,generateMipmap:!1,openGLDataType:r.FLOAT,baseLevel:0,maxLevel:0,autoParameters:!1});return o.setOpenGLRenderWindow(e),o.setInternalFormat(r.RGBA32F),o.create2DFromRaw(...t.size,4,"Float32Array",null),o.activate(),o.sendParameters(),o.deactivate(),o},e.allocateDepthTexture=e=>{const n=t.context,r=$d.newInstance({generateMipmap:!1,openGLDataType:n.FLOAT,autoParameters:!1});return r.setOpenGLRenderWindow(e),r.createDepthFromRaw(...t.size,"Float32Array",null),r.activate(),r.sendParameters(),r.deactivate(),r},e.createFBO=()=>{if(!t.framebuffer){t.licHelper=null;const e=nf.newInstance();e.setOpenGLRenderWindow(t._openGLRenderWindow),e.saveCurrentBindingsAndBuffers(),e.create(...t.size),e.populateFramebuffer(),t.framebuffer=e,e.restorePreviousBindingsAndBuffers()}},e.completedGeometry=()=>{const e=t.context,n=t.framebuffer;n.removeColorBuffer(0),n.removeColorBuffer(1),n.removeColorBuffer(2),n.removeDepthBuffer(),e.drawBuffers([e.NONE]),n.restorePreviousBindingsAndBuffers()},e.buildAllShaders=()=>{t.shadersNeedBuilding&&(t.licColorPass=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkSurfaceLICMapper_fs2.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// This shader combines surface geometry, LIC, and scalar colors.\n\n// the output of this shader\nlayout(location = 0) out vec4 RGBOutput;\nlayout(location = 1) out vec4 HSLOutput;\n\nuniform sampler2D texVectors; // vectors, depth\nuniform sampler2D texGeomColors; // scalar colors + lighting\nuniform sampler2D texLIC; // image lic\nuniform int uScalarColorMode; // select between blend, and map shader\nuniform float uLICIntensity; // blend shader: blending factor for lic'd colors\nuniform float uMapBias; // map shader: adjust the brightness of the result\nuniform float uMaskIntensity; // blending factor for mask color\nuniform vec3 uMaskColor; // color for the masked out fragments\n\nin vec2 tcoordVC;\n\n/**\nConvert from RGB color space into HSL colorspace.\n*/\nvec3 RGBToHSL(vec3 RGB)\n{\n vec3 HSL = vec3(0.0, 0.0, 0.0);\n\n float RGBMin = min(min(RGB.r, RGB.g), RGB.b);\n float RGBMax = max(max(RGB.r, RGB.g), RGB.b);\n float RGBMaxMinDiff = RGBMax - RGBMin;\n\n HSL.z = (RGBMax + RGBMin) / 2.0;\n\n if (RGBMaxMinDiff == 0.0)\n {\n // Gray scale\n HSL.x = 0.0;\n HSL.y = 0.0;\n }\n else\n {\n // Color\n if (HSL.z < 0.5)\n HSL.y = RGBMaxMinDiff / (RGBMax + RGBMin);\n else\n HSL.y = RGBMaxMinDiff / (2.0 - RGBMax - RGBMin);\n\n float dR\n = (((RGBMax - RGB.r) / 6.0) + (RGBMaxMinDiff / 2.0)) / RGBMaxMinDiff;\n float dG\n = (((RGBMax - RGB.g) / 6.0) + (RGBMaxMinDiff / 2.0)) / RGBMaxMinDiff;\n float dB\n = (((RGBMax - RGB.b) / 6.0) + (RGBMaxMinDiff / 2.0)) / RGBMaxMinDiff;\n\n if (RGB.r == RGBMax)\n HSL.x = dB - dG;\n else\n if (RGB.g == RGBMax)\n HSL.x = (1.0 / 3.0) + dR - dB;\n else\n if (RGB.b == RGBMax)\n HSL.x = (2.0 / 3.0) + dG - dR;\n\n if (HSL.x < 0.0)\n HSL.x += 1.0;\n\n if (HSL.x > 1.0)\n HSL.x -= 1.0;\n }\n\n return HSL;\n}\n\n/**\nHelper for HSL to RGB conversion.\n*/\nfloat Util(float v1, float v2, float vH)\n{\n if (vH < 0.0)\n vH += 1.0;\n\n if (vH > 1.0)\n vH -= 1.0;\n\n if ((6.0 * vH) < 1.0)\n return (v1 + (v2 - v1) * 6.0 * vH);\n\n if ((2.0 * vH) < 1.0)\n return (v2);\n\n if ((3.0 * vH) < 2.0)\n return (v1 + (v2 - v1) * ((2.0 / 3.0) - vH) * 6.0);\n\n return v1;\n}\n\n/**\nConvert from HSL space into RGB space.\n*/\nvec3 HSLToRGB(vec3 HSL)\n{\n vec3 RGB;\n if (HSL.y == 0.0)\n {\n // Gray\n RGB.r = HSL.z;\n RGB.g = HSL.z;\n RGB.b = HSL.z;\n }\n else\n {\n // Chromatic\n float v2;\n if (HSL.z < 0.5)\n v2 = HSL.z * (1.0 + HSL.y);\n else\n v2 = (HSL.z + HSL.y) - (HSL.y * HSL.z);\n\n float v1 = 2.0 * HSL.z - v2;\n\n RGB.r = Util(v1, v2, HSL.x + (1.0 / 3.0));\n RGB.g = Util(v1, v2, HSL.x);\n RGB.b = Util(v1, v2, HSL.x - (1.0 / 3.0));\n }\n\n return RGB.rgb;\n}\n\nvoid main()\n{\n vec4 lic = texture2D(texLIC, tcoordVC.st);\n vec4 geomColor = texture2D(texGeomColors, tcoordVC.st);\n\n // depth is used to determine which fragment belong to us\n // and we can change\n float depth = texture2D(texVectors, tcoordVC.st).a;\n\n vec3 fragColorRGB;\n float valid;\n if (depth > 1.0e-3)\n {\n // we own it\n // shade LIC'ed geometry, or apply mask\n if (lic.g!=0.0)\n {\n // it's masked\n // apply fragment mask\n fragColorRGB = uMaskIntensity * uMaskColor + (1.0 - uMaskIntensity) * geomColor.rgb;\n valid = 0.0;\n }\n else\n {\n if (uScalarColorMode==0)\n {\n // blend with scalars\n fragColorRGB = lic.rrr * uLICIntensity + geomColor.rgb * (1.0 - uLICIntensity);\n }\n else\n {\n // multiply with scalars\n fragColorRGB = geomColor.rgb * clamp((uMapBias + lic.r), 0.0, 1.0);\n }\n if (lic.b != 0.0)\n {\n // didn't have the required guard pixels\n // don't consider it in min max estimation\n // for histpgram stretching\n valid = 0.0;\n }\n else\n {\n // ok to use in min/max estimates for histogram\n // stretching\n valid = 1.0;\n }\n }\n }\n else\n {\n // we don't own it\n // pass through scalars\n fragColorRGB = geomColor.rgb;\n valid = 0.0;\n }\n\n // if no further stages this texture is\n // copied to the screen\n RGBOutput = vec4(fragColorRGB, geomColor.a);\n\n // if further stages, move to hsl space for contrast\n // enhancement. encoding validity saves moving a texture to the cpu\n vec3 fragColorHSL = RGBToHSL(fragColorRGB);\n HSLOutput = vec4(fragColorHSL, valid);\n}\n"),t.licCopyPass=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkSurfaceLICMapper_DCpy.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// This shader copies fragments and depths to the output buffer\n\n// the output of this shader\n//VTK::Output::Dec\n\nuniform sampler2D texDepth; // z values from vertex shader\nuniform sampler2D texRGBColors; // final rgb LIC colors\n\nin vec2 tcoordVC;\n\nvoid main()\n{\n gl_FragDepth = texture2D(texDepth, tcoordVC).x;\n gl_FragData[0] = texture2D(texRGBColors, tcoordVC);\n\n // since we render a screen aligned quad\n // we're going to be writing fragments\n // not touched by the original geometry\n // it's critical not to modify those\n // fragments.\n if (gl_FragDepth == 1.0)\n {\n discard;\n }\n}\n"),t.enhanceContrastPass=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkSurfaceLICMapper_CE.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// color contrast enhance stage implemented via histogram stretching\n// on lightness channel. if the min and max are tweaked it can generate\n// out-of-range values these will be clamped in 0 to 1\n\n// the output of this shader\n//VTK::Output::Dec\n\nuniform sampler2D texGeomColors; // scalars + lighting\nuniform sampler2D texLIC; // image lic, mask\nuniform sampler2D texHSLColors; // hsla colors\n\nuniform float uLMin; // min lightness over all fragments\nuniform float uLMaxMinDiff; // max - min lightness over all fragments\n\nin vec2 tcoordVC;\n\nvec3 HSLToRGB(vec3 HSL)\n{\n vec3 RGB;\n float v;\n float h = HSL.x;\n float sl = HSL.y;\n float l = HSL.z;\n\n v = (l <= 0.5) ? (l * (1.0 + sl)) : (l + sl - l * sl);\n if (v <= 0.0) {\n RGB = vec3(0.0,0.0,0.0);\n } else {\n float m;\n int sextant;\n float fract, vsf, mid1, mid2;\n\n m = l + l - v;\n h *= 6.0;\n sextant = int(h);\n fract = h - float(sextant);\n\n vsf = (v - m) * fract;\n mid1 = m + vsf;\n mid2 = v - vsf;\n switch (sextant) {\n case 0: RGB.r = v; RGB.g = mid1; RGB.b = m; break;\n case 1: RGB.r = mid2; RGB.g = v; RGB.b = m; break;\n case 2: RGB.r = m; RGB.g = v; RGB.b = mid1; break;\n case 3: RGB.r = m; RGB.g = mid2; RGB.b = v; break;\n case 4: RGB.r = mid1; RGB.g = m; RGB.b = v; break;\n case 5: RGB.r = v; RGB.g = m; RGB.b = mid2; break;\n }\n }\n return RGB;\n}\n\nvoid main()\n{\n // lookup hsl color , mask\n vec4 fragColor = texture2D(texHSLColors, tcoordVC.st);\n\n // don't modify masked fragments (masked => lic.g==1)\n vec4 lic = texture2D(texLIC, tcoordVC.st);\n if (lic.g==0.0)\n {\n // normalize lightness channel\n fragColor.z = clamp((fragColor.z - uLMin)/uLMaxMinDiff, 0.0, 1.0);\n }\n\n // back into rgb space\n fragColor.rgb = HSLToRGB(fragColor.xyz);\n\n // add alpha\n vec4 geomColor = texture2D(texGeomColors, tcoordVC.st);\n fragColor.a = geomColor.a;\n\n gl_FragData[0] = fragColor;\n}\n"),t.shadersNeedBuilding=!1)},e.initializeResources=()=>{e.createFBO(),e.generateNoiseTexture(t.licInterface.getNoiseTextureSize()),e.allocateTextures(),e.buildAllShaders(),t.licQuad||(t.licQuad=function(e){const t=Md.newInstance();t.setOpenGLRenderWindow(e);const n=new Float32Array(12);for(let e=0;e<4;e++)n[3*e]=e%2*2-1,n[3*e+1]=e>1?1:-1,n[3*e+2]=0;const r=new Float32Array([0,0,1,0,0,1,1,1]),o=new Uint16Array(8);o[0]=3,o[1]=0,o[2]=1,o[3]=3,o[4]=3,o[5]=0,o[6]=3,o[7]=2;const a=Us.newInstance({numberOfComponents:3,values:n});a.setName("points");const i=Us.newInstance({numberOfComponents:1,values:o}),s=Us.newInstance({numberOfComponents:2,values:r});return t.getCABO().createVBO(i,"polys",Sm.SURFACE,{points:a,cellOffset:0,tcoords:s}),t}(t._openGLRenderWindow)),t.licHelper||(t.licHelper=ym.newInstance())},e.prepareForGeometry=()=>{const e=t.framebuffer;e.saveCurrentBindingsAndBuffers(),e.bind(),t.geometryImage.activate(),t.vectorImage.activate(),t.maskVectorImage.activate(),e.removeColorBuffer(0),e.removeColorBuffer(2),e.removeColorBuffer(3),e.setColorBuffer(t.geometryImage,0),e.setColorBuffer(t.vectorImage,2),e.setColorBuffer(t.maskVectorImage,3),e.setDepthBuffer(t.depthTexture);const n=t.context;n.drawBuffers([n.COLOR_ATTACHMENT0,n.NONE,n.COLOR_ATTACHMENT2,n.COLOR_ATTACHMENT3]),n.viewport(0,0,...t.size),n.scissor(0,0,...t.size),n.disable(n.BLEND),n.disable(n.DEPTH_TEST),n.disable(n.SCISSOR_TEST),n.clearColor(0,0,0,0),n.clear(n.DEPTH_BUFFER_BIT|n.COLOR_BUFFER_BIT)},e.copyToScreen=n=>{t.RGBColorImage.activate(),t.depthTexture.activate(),t.licCopyPass||e.initializeResources();const r=t.licCopyPass;t._openGLRenderWindow.getShaderCache().readyShaderProgram(r);const o=t.context;o.viewport(0,0,...n),o.scissor(0,0,...n),o.disable(o.BLEND),o.enable(o.DEPTH_TEST),o.disable(o.SCISSOR_TEST),r.setUniformi("texDepth",t.depthTexture.getTextureUnit()),r.setUniformi("texRGBColors",t.RGBColorImage.getTextureUnit()),e.renderQuad(n,r),t.RGBColorImage.deactivate(),t.depthTexture.deactivate()},e.combineColorsAndLIC=()=>{const n=t.context,r=t.framebuffer;r.saveCurrentBindingsAndBuffers(),r.bind(),r.create(...t.size),r.removeColorBuffer(0),r.removeColorBuffer(1),r.setColorBuffer(t.RGBColorImage,0),r.setColorBuffer(t.HSLColorImage,1),n.drawBuffers([n.COLOR_ATTACHMENT0,n.COLOR_ATTACHMENT1]),n.disable(n.DEPTH_TEST),n.clearColor(0,0,0,0),n.clear(n.COLOR_BUFFER_BIT),t.vectorImage.activate(),t.geometryImage.activate(),t.LICImage.activate(),t.licColorPass||e.initializeResources();const o=t.licColorPass;t._openGLRenderWindow.getShaderCache().readyShaderProgram(o),o.setUniformi("texVectors",t.vectorImage.getTextureUnit()),o.setUniformi("texGeomColors",t.geometryImage.getTextureUnit());const{colorMode:a,LICIntensity:i,mapModeBias:s,maskIntensity:l,maskColor:c,enhanceContrast:u,lowColorContrastEnhancementFactor:d,highColorContrastEnhancementFactor:p}=t.licInterface.get("colorMode","LICIntensity","mapModeBias","maskIntensity","maskColor","enhanceContrast","lowColorContrastEnhancementFactor","highColorContrastEnhancementFactor");if(o.setUniformi("texLIC",t.LICImage.getTextureUnit()),o.setUniformi("uScalarColorMode",a),o.setUniformf("uLICIntensity",i),o.setUniformf("uMapBias",s),o.setUniformf("uMaskIntensity",l),o.setUniform3f("uMaskColor",...c),e.renderQuad(t.size,o),t.vectorImage.deactivate(),t.geometryImage.deactivate(),t.LICImage.deactivate(),r.removeColorBuffer(0),r.removeColorBuffer(1),n.drawBuffers([n.NONE]),u===pm||u===fm){let o=0,a=1,i=a-o;o+=i*d,a-=i*p,i=a-o,r.setColorBuffer(t.RGBColorImage),n.drawBuffers([n.COLOR_ATTACHMENT0]),t.geometryImage.activate(),t.HSLColorImage.activate(),t.LICImage.activate(),t.enhanceContrastPass||e.initializeResources();const{enhanceContrastPass:s}=t;t._openGLRenderWindow.getShaderCache().readyShaderProgram(s),s.setUniformi("texGeomColors",t.geometryImage.getTextureUnit()),s.setUniformi("texHSLColors",t.HSLColorImage.getTextureUnit()),s.setUniformi("texLIC",t.LICImage.getTextureUnit()),s.setUniformf("uLMin",o),s.setUniformf("uLMaxMinDiff",i),e.renderQuad(t.size,s),t.geometryImage.deactivate(),t.HSLColorImage.deactivate(),t.LICImage.deactivate(),r.removeColorBuffer(0),n.drawBuffers([n.NONE])}r.restorePreviousBindingsAndBuffers()},e.applyLIC=()=>{const e=t.licInterface.get("stepSize","numberOfSteps","enhancedLIC","enhanceContrast","lowLICContrastEnhancementFactor","highLICContrastEnhancementFactor","antiAlias","normalizeVectors","maskThreshold","transformVectors"),n=t.licHelper.executeLIC(t.size,t.vectorImage,t.maskVectorImage,t.noiseTexture,t._openGLRenderWindow,e);if(!n)return console.error("Failed to compute image LIC"),void(t.LICImage=null);t.LICImage=n},e.setSize=n=>{Array.isArray(n)&&2===n.length&&(t.size&&t.size[0]===n[0]&&t.size[1]===n[1]||(t.size=n,e.releaseGraphicsResources()))},e.releaseGraphicsResources=()=>{t.geometryImage&&(t.geometryImage.releaseGraphicsResources(),t.geometryImage=null),t.vectorImage&&(t.vectorImage.releaseGraphicsResources(),t.vectorImage=null),t.maskVectorImage&&(t.maskVectorImage.releaseGraphicsResources(),t.maskVectorImage=null),t.LICImage&&(t.LICImage.releaseGraphicsResources(),t.LICImage=null),t.RGBColorImage&&(t.RGBColorImage.releaseGraphicsResources(),t.RGBColorImage=null),t.HSLColorImage&&(t.HSLColorImage.releaseGraphicsResources(),t.HSLColorImage=null),t.depthTexture&&(t.depthTexture.releaseGraphicsResources(),t.depthTexture=null),t.framebuffer&&(t.framebuffer.releaseGraphicsResources(),t.framebuffer=null)}}const Pm={context:null,shadersNeedBuilding:!0,reallocateTextures:!0,size:null,licInterface:null};function Im(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Pm,n),Cm.extend(e,t,n),jt.obj(e,t),jt.setGet(e,t,["context","_openGLRenderWindow","reallocateTextures","licInterface","size"]),jt.moveToProtected(e,t,["openGLRenderWindow"]),Am(e,t)}var wm={newInstance:jt.newInstance(Im,"vtkSurfaceLICInterface"),extend:Im};const{vtkErrorMacro:Om}=Kt;function Mm(e,t){t.classHierarchy.push("vtkOpenGLSurfaceLICMapper");const n={...e};e.getNeedToRebuildShaders=(e,r,o)=>t.rebuildLICShaders||n.getNeedToRebuildShaders(e,r,o),e.replaceShaderValues=(e,r,o)=>{const a=t.lastBoundBO.getReferenceByName("lastLightComplexity");let i=e.Vertex,s=e.Fragment;const l=t.renderable.getInputArrayToProcess(0);if(l&&t.canDrawLIC){s=xd.substitute(s,"//VTK::Output::Dec",["//VTK::Output::Dec","layout(location = 2) out vec4 vectorTexture;","layout(location = 3) out vec4 maskVectorTexture;"]).result;const n=`${l.getName()}MC`;0===a&&t.lastBoundBO.set({lastLightComplexity:1},!0),i=xd.substitute(i,"//VTK::TCoord::Dec",[`attribute vec3 ${n};`,"out vec3 licOutput;","//VTK::TCoord::Dec"]).result,i=xd.substitute(i,"//VTK::TCoord::Impl",[`licOutput = ${n};`,"//VTK::TCoord::Impl"]).result,s=xd.substitute(s,"//VTK::TCoord::Dec",["uniform int uMaskOnSurface;","uniform mat3 normalMatrix;","in vec3 licOutput;","//VTK::TCoord::Dec"]).result,s=xd.substitute(s,"//VTK::TCoord::Impl",["// projected vectors"," vec3 tcoordLIC = normalMatrix * licOutput;"," vec3 normN = normalize(normalVCVSOutput);"," float k = dot(tcoordLIC, normN);"," vec3 projected = (tcoordLIC - k*normN);"," vectorTexture = vec4(projected.x, projected.y, 0.0 , 1.0);","// vectors for fragment masking"," if (uMaskOnSurface == 0)"," {"," maskVectorTexture = vec4(licOutput, 1.0);"," }"," else"," {"," maskVectorTexture = vec4(projected.x, projected.y, 0.0 , 1.0);"," }","//VTK::TCoord::Impl"],!1).result,e.Vertex=i}t.rebuildLICShaders=!1,e.Fragment=s,n.replaceShaderValues(e,r,o),a>0&&t.lastBoundBO.set({lastLightComplexity:a},!0)},e.setMapperShaderParameters=(e,r,o)=>{n.setMapperShaderParameters(e,r,o),t.canDrawLIC&&e.getProgram().setUniformi("uMaskOnSurface",t.maskOnSurface)},e.getNeedToRebuildBufferObjects=(e,r)=>t.rebuildLICBuffers||n.getNeedToRebuildBufferObjects(e,r),e.buildBufferObjects=(e,r)=>{if(t.canDrawLIC){const e=t.renderable.getInputArrayToProcess(0);e&&e.getNumberOfComponents()>1&&t.renderable.setCustomShaderAttributes([e.getName()])}t.rebuildLICBuffers=!1,n.buildBufferObjects(e,r)},e.pushState=e=>{t.stateCache={[e.BLEND]:e.isEnabled(e.BLEND),[e.DEPTH_TEST]:e.isEnabled(e.DEPTH_TEST),[e.SCISSOR_TEST]:e.isEnabled(e.SCISSOR_TEST),[e.CULL_FACE]:e.isEnabled(e.CULL_FACE)}},e.popState=e=>{const n=n=>t.stateCache[n]?e.enable(n):e.disable(n);n(e.BLEND),n(e.DEPTH_TEST),n(e.SCISSOR_TEST),n(e.CULL_FACE)},e.renderPiece=(r,o)=>{let a=!0;t._openGLRenderWindow.getWebgl2()||(Om("SurfaceLICMapper Requires WebGL 2"),a=!1),t.context.getExtension("EXT_color_buffer_float")&&t.context.getExtension("OES_texture_float_linear")||(Om("SurfaceLICMapper requires the EXT_color_buffer_float and OES_texture_float_linear WebGL2 extensions."),a=!1),t.currentInput=t.renderable.getInputData(),t.currentInput||(Om("No input"),a=!1);let i=t.renderable.getLicInterface();i||(i=Cm.newInstance(),t.renderable.setLicInterface(i)),t.openGLLicInterface||(t.openGLLicInterface=wm.newInstance()),i!==t.openGLLicInterface.getLicInterface()&&t.openGLLicInterface.setLicInterface(i);const s=t.renderable.getInputArrayToProcess(0);if(i.getEnableLIC()&&(!s||s.getNumberOfComponents()<2)&&(Om("No vector input array"),a=!1),i.getEnableLIC()||(a=!1),t.canDrawLIC!==a&&(t.rebuildLICShaders=!0,t.rebuildLICBuffers=!0),t.canDrawLIC=a,!a||!i.getEnableLIC())return void n.renderPiece(r,o);const l=t.context,c=o.getProperty().getBackfaceCulling(),u=o.getProperty().getFrontfaceCulling();c||u?u?(t._openGLRenderWindow.enableCullFace(),l.cullFace(l.FRONT)):(t._openGLRenderWindow.enableCullFace(),l.cullFace(l.BACK)):t._openGLRenderWindow.disableCullFace();const d=t._openGLRenderWindow.getSize(),p=d.map((e=>Math.round(e*i.getViewPortScale())));t.openGLLicInterface.setSize(p),t.openGLLicInterface.setOpenGLRenderWindow(t._openGLRenderWindow),t.openGLLicInterface.setContext(t.context),e.pushState(t.context),t.openGLLicInterface.initializeResources(),t.openGLLicInterface.prepareForGeometry(),e.popState(t.context),n.renderPieceStart(r,o),n.renderPieceDraw(r,o),n.renderPieceFinish(r,o),e.pushState(t.context),t.VBOBuildTime.modified(),t.openGLLicInterface.completedGeometry(),t.context.disable(t.context.CULL_FACE),t.openGLLicInterface.applyLIC(),t.openGLLicInterface.combineColorsAndLIC(),t.openGLLicInterface.copyToScreen(d),e.popState(t.context)}}const Rm={canDrawLIC:!1,rebuildLICShaders:!1,rebuildLICBuffers:!1,openGLLicInterface:null};const Vm=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Rm,n),fp.extend(e,t,n),Mm(e,t),At(e,t,["openGLLicInterface"])}),"vtkOpenGLSurfaceLICMapper");rn("vtkSurfaceLICMapper",Vm);const{vtkErrorMacro:Em}=Kt;function Dm(e,t){t.classHierarchy.push("vtkOpenGLSphereMapper");const n={...e};e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkSphereMapperVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// this shader implements imposters in OpenGL for Spheres\n\nattribute vec4 vertexMC;\nattribute vec2 offsetMC;\n\n// optional normal declaration\n//VTK::Normal::Dec\n\n//VTK::Picking::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\nuniform mat3 normalMatrix; // transform model coordinate directions to view coordinates\n\n// material property values\n//VTK::Color::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\nvarying vec4 vertexVCVSOutput;\nvarying float radiusVCVSOutput;\nvarying vec3 centerVCVSOutput;\n\nuniform int cameraParallel;\nuniform float scaleFactor;\n\nvoid main()\n{\n //VTK::Picking::Impl\n\n //VTK::Color::Impl\n\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Clip::Impl\n\n // compute the projected vertex position\n vec2 scaledOffsetMC = scaleFactor * offsetMC;\n vertexVCVSOutput = MCVCMatrix * vertexMC;\n centerVCVSOutput = vertexVCVSOutput.xyz;\n radiusVCVSOutput = length(scaledOffsetMC)*0.5;\n\n // make the triangle face the camera\n if (cameraParallel == 0)\n {\n vec3 dir = normalize(-vertexVCVSOutput.xyz);\n vec3 base2 = normalize(cross(dir,vec3(1.0,0.0,0.0)));\n vec3 base1 = cross(base2,dir);\n vertexVCVSOutput.xyz = vertexVCVSOutput.xyz + scaledOffsetMC.x*base1 + scaledOffsetMC.y*base2;\n }\n else\n {\n // add in the offset\n vertexVCVSOutput.xy = vertexVCVSOutput.xy + scaledOffsetMC;\n }\n\n gl_Position = VCPCMatrix * vertexVCVSOutput;\n}\n",e.Fragment=Xd,e.Geometry=""},e.replaceShaderValues=(e,r,o)=>{let a=e.Vertex,i=e.Fragment;a=xd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 VCPCMatrix;\n","uniform mat4 MCVCMatrix;"]).result,i=xd.substitute(i,"//VTK::PositionVC::Dec",["varying vec4 vertexVCVSOutput;"]).result,i=xd.substitute(i,"//VTK::PositionVC::Impl",["vec4 vertexVC = vertexVCVSOutput;\n"]).result,i=xd.substitute(i,"//VTK::Normal::Dec",["uniform float invertedDepth;\n","uniform int cameraParallel;\n","varying float radiusVCVSOutput;\n","varying vec3 centerVCVSOutput;\n","uniform mat4 VCPCMatrix;\n"]).result;let s="";t.context.getExtension("EXT_frag_depth")&&(s="gl_FragDepthEXT = (pos.z / pos.w + 1.0) / 2.0;\n"),t._openGLRenderWindow.getWebgl2()&&(s="gl_FragDepth = (pos.z / pos.w + 1.0) / 2.0;\n"),i=xd.substitute(i,"//VTK::Depth::Impl",[" vec3 EyePos;\n"," vec3 EyeDir;\n"," if (cameraParallel != 0) {\n"," EyePos = vec3(vertexVC.x, vertexVC.y, vertexVC.z + 3.0*radiusVCVSOutput);\n"," EyeDir = vec3(0.0,0.0,-1.0); }\n"," else {\n"," EyeDir = vertexVC.xyz;\n"," EyePos = vec3(0.0,0.0,0.0);\n"," float lengthED = length(EyeDir);\n"," EyeDir = normalize(EyeDir);\n"," if (lengthED > radiusVCVSOutput*3.0) {\n"," EyePos = vertexVC.xyz - EyeDir*3.0*radiusVCVSOutput; }\n"," }\n"," EyePos = EyePos - centerVCVSOutput;\n"," EyePos = EyePos/radiusVCVSOutput;\n"," float b = 2.0*dot(EyePos,EyeDir);\n"," float c = dot(EyePos,EyePos) - 1.0;\n"," float d = b*b - 4.0*c;\n"," vec3 normalVCVSOutput = vec3(0.0,0.0,1.0);\n"," if (d < 0.0) { discard; }\n"," else {\n"," float t = (-b - invertedDepth*sqrt(d))*0.5;\n"," normalVCVSOutput = invertedDepth*normalize(EyePos + t*EyeDir);\n"," vertexVC.xyz = normalVCVSOutput*radiusVCVSOutput + centerVCVSOutput;\n"," }\n"," vec4 pos = VCPCMatrix * vertexVC;\n",s]).result,i=xd.substitute(i,"//VTK::Normal::Impl","").result,t.haveSeenDepthRequest&&(i=xd.substitute(i,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float computedZ = (pos.z / pos.w + 1.0) / 2.0;","float iz = floor(computedZ * 65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),e.Vertex=a,e.Fragment=i,n.replaceShaderValues(e,r,o)},e.setMapperShaderParameters=(e,r,o)=>{if(e.getCABO().getElementCount()&&(t.VBOBuildTime>e.getAttributeUpdateTime().getMTime()||e.getShaderSourceTime().getMTime()>e.getAttributeUpdateTime().getMTime())&&e.getProgram().isAttributeUsed("offsetMC")&&(e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),"offsetMC",12,e.getCABO().getStride(),t.context.FLOAT,2,!1)||Em("Error setting 'offsetMC' in shader VAO.")),e.getProgram().isUniformUsed("invertedDepth")&&e.getProgram().setUniformf("invertedDepth",t.invert?-1:1),e.getProgram().isUniformUsed("scaleFactor")){const n=t.currentInput.getPointData();null!=t.renderable.getScaleArray()&&n.hasArray(t.renderable.getScaleArray())?e.getProgram().setUniformf("scaleFactor",t.renderable.getScaleFactor()):e.getProgram().setUniformf("scaleFactor",1)}n.setMapperShaderParameters(e,r,o)},e.setCameraShaderParameters=(e,n,r)=>{const o=e.getProgram(),a=n.getActiveCamera(),i=t.openGLCamera.getKeyMatrices(n);if(o.isUniformUsed("VCPCMatrix")&&o.setUniformMatrix("VCPCMatrix",i.vcpc),o.isUniformUsed("MCVCMatrix"))if(r.getIsIdentity())o.setUniformMatrix("MCVCMatrix",i.wcvc);else{const e=t.openGLActor.getKeyMatrices(),n=new Float64Array(16);b(n,i.wcvc,e.mcwc),o.setUniformMatrix("MCVCMatrix",n)}o.isUniformUsed("cameraParallel")&&e.getProgram().setUniformi("cameraParallel",a.getParallelProjection())},e.getOpenGLMode=(e,n)=>t.context.TRIANGLES,e.buildBufferObjects=(e,n)=>{const r=t.currentInput;if(null===r)return;t.renderable.mapScalars(r,1);const o=t.renderable.getColorMapColors(),a=t.primitives[t.primTypes.Tris].getCABO(),i=r.getPointData(),s=r.getPoints(),l=s.getNumberOfPoints(),c=s.getData();let u=null;null!=t.renderable.getScaleArray()&&i.hasArray(t.renderable.getScaleArray())&&(u=i.getArray(t.renderable.getScaleArray()).getData());let d=null,p=0,f=null;o?(p=o.getNumberOfComponents(),a.setColorOffset(0),a.setColorBOStride(4),d=o.getData(),f=new Uint8Array(3*l*4),a.getColorBO()||a.setColorBO(ad.newInstance()),a.getColorBO().setOpenGLRenderWindow(t._openGLRenderWindow)):a.getColorBO()&&a.setColorBO(null),a.setColorComponents(p);const g=new Float32Array(5*l*3);a.setStride(20);const m=Math.cos(Eo(30));let h=0,v=0,y=0,b=0;for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Lm,n),fp.extend(e,t,n),Dm(e,t)}),"vtkOpenGLSphereMapper");rn("vtkSphereMapper",Bm);const{vtkErrorMacro:Nm}=Kt;function km(e,t){t.classHierarchy.push("vtkOpenGLStickMapper");const n={...e};e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkStickMapperVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// this shader implements imposters in OpenGL for Sticks\n\nattribute vec4 vertexMC;\nattribute vec3 orientMC;\nattribute vec4 offsetMC;\nattribute float radiusMC;\n\n// optional normal declaration\n//VTK::Normal::Dec\n\n//VTK::Picking::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\nuniform mat3 normalMatrix; // transform model coordinate directions to view coordinates\n\n// material property values\n//VTK::Color::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\nvarying vec4 vertexVCVSOutput;\nvarying float radiusVCVSOutput;\nvarying float lengthVCVSOutput;\nvarying vec3 centerVCVSOutput;\nvarying vec3 orientVCVSOutput;\n\nuniform int cameraParallel;\n\nvoid main()\n{\n //VTK::Picking::Impl\n\n //VTK::Color::Impl\n\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Clip::Impl\n\n vertexVCVSOutput = MCVCMatrix * vertexMC;\n centerVCVSOutput = vertexVCVSOutput.xyz;\n radiusVCVSOutput = radiusMC;\n lengthVCVSOutput = length(orientMC);\n orientVCVSOutput = normalMatrix * normalize(orientMC);\n\n // make sure it is pointing out of the screen\n if (orientVCVSOutput.z < 0.0)\n {\n orientVCVSOutput = -orientVCVSOutput;\n }\n\n // make the basis\n vec3 xbase;\n vec3 ybase;\n vec3 dir = vec3(0.0,0.0,1.0);\n if (cameraParallel == 0)\n {\n dir = normalize(-vertexVCVSOutput.xyz);\n }\n if (abs(dot(dir,orientVCVSOutput)) == 1.0)\n {\n xbase = normalize(cross(vec3(0.0,1.0,0.0),orientVCVSOutput));\n ybase = cross(xbase,orientVCVSOutput);\n }\n else\n {\n xbase = normalize(cross(orientVCVSOutput,dir));\n ybase = cross(orientVCVSOutput,xbase);\n }\n\n vec3 offsets = offsetMC.xyz*2.0-1.0;\n vertexVCVSOutput.xyz = vertexVCVSOutput.xyz +\n radiusVCVSOutput*offsets.x*xbase +\n radiusVCVSOutput*offsets.y*ybase +\n 0.5*lengthVCVSOutput*offsets.z*orientVCVSOutput;\n\n gl_Position = VCPCMatrix * vertexVCVSOutput;\n}\n",e.Fragment=Xd,e.Geometry=""},e.replaceShaderValues=(e,r,o)=>{let a=e.Vertex,i=e.Fragment;a=xd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 VCPCMatrix;\n","uniform mat4 MCVCMatrix;"]).result,i=xd.substitute(i,"//VTK::PositionVC::Dec","varying vec4 vertexVCVSOutput;").result,i=xd.substitute(i,"//VTK::PositionVC::Impl"," vec4 vertexVC = vertexVCVSOutput;\n").result,i=xd.substitute(i,"//VTK::Normal::Dec",["uniform int cameraParallel;\n","varying float radiusVCVSOutput;\n","varying vec3 orientVCVSOutput;\n","varying float lengthVCVSOutput;\n","varying vec3 centerVCVSOutput;\n","uniform mat4 VCPCMatrix;\n"]).result;let s="";t.context.getExtension("EXT_frag_depth")&&(s=" gl_FragDepthEXT = (pos.z / pos.w + 1.0) / 2.0;\n"),t._openGLRenderWindow.getWebgl2()&&(s="gl_FragDepth = (pos.z / pos.w + 1.0) / 2.0;\n"),i=xd.substitute(i,"//VTK::Depth::Impl",[" vec3 EyePos;\n"," vec3 EyeDir;\n"," if (cameraParallel != 0) {\n"," EyePos = vec3(vertexVC.x, vertexVC.y, vertexVC.z + 3.0*radiusVCVSOutput);\n"," EyeDir = vec3(0.0,0.0,-1.0); }\n"," else {\n"," EyeDir = vertexVC.xyz;\n"," EyePos = vec3(0.0,0.0,0.0);\n"," float lengthED = length(EyeDir);\n"," EyeDir = normalize(EyeDir);\n"," if (lengthED > radiusVCVSOutput*3.0) {\n"," EyePos = vertexVC.xyz - EyeDir*3.0*radiusVCVSOutput; }\n"," }\n"," EyePos = EyePos - centerVCVSOutput;\n"," vec3 base1;\n"," if (abs(orientVCVSOutput.z) < 0.99) {\n"," base1 = normalize(cross(orientVCVSOutput,vec3(0.0,0.0,1.0))); }\n"," else {\n"," base1 = normalize(cross(orientVCVSOutput,vec3(0.0,1.0,0.0))); }\n"," vec3 base2 = cross(orientVCVSOutput,base1);\n"," EyePos = vec3(dot(EyePos,base1),dot(EyePos,base2),dot(EyePos,orientVCVSOutput));\n"," EyeDir = vec3(dot(EyeDir,base1),dot(EyeDir,base2),dot(EyeDir,orientVCVSOutput));\n"," EyePos = EyePos/radiusVCVSOutput;\n"," float a = EyeDir.x*EyeDir.x + EyeDir.y*EyeDir.y;\n"," float b = 2.0*(EyePos.x*EyeDir.x + EyePos.y*EyeDir.y);\n"," float c = EyePos.x*EyePos.x + EyePos.y*EyePos.y - 1.0;\n"," float d = b*b - 4.0*a*c;\n"," vec3 normalVCVSOutput = vec3(0.0,0.0,1.0);\n"," if (d < 0.0) { discard; }\n"," else {\n"," float t = (-b - sqrt(d))/(2.0*a);\n"," float tz = EyePos.z + t*EyeDir.z;\n"," vec3 iPoint = EyePos + t*EyeDir;\n"," if (abs(iPoint.z)*radiusVCVSOutput > lengthVCVSOutput*0.5) {\n"," float t2 = (-b + sqrt(d))/(2.0*a);\n"," float tz2 = EyePos.z + t2*EyeDir.z;\n"," if (tz2*radiusVCVSOutput > lengthVCVSOutput*0.5 || tz*radiusVCVSOutput < -0.5*lengthVCVSOutput) { discard; }\n"," else {\n"," normalVCVSOutput = orientVCVSOutput;\n"," float t3 = (lengthVCVSOutput*0.5/radiusVCVSOutput - EyePos.z)/EyeDir.z;\n"," iPoint = EyePos + t3*EyeDir;\n"," vertexVC.xyz = radiusVCVSOutput*(iPoint.x*base1 + iPoint.y*base2 + iPoint.z*orientVCVSOutput) + centerVCVSOutput;\n"," }\n"," }\n"," else {\n"," normalVCVSOutput = iPoint.x*base1 + iPoint.y*base2;\n"," vertexVC.xyz = radiusVCVSOutput*(normalVCVSOutput + iPoint.z*orientVCVSOutput) + centerVCVSOutput;\n"," }\n"," }\n"," vec4 pos = VCPCMatrix * vertexVC;\n",s]).result,i=xd.substitute(i,"//VTK::Normal::Impl","").result,t.haveSeenDepthRequest&&(i=xd.substitute(i,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float computedZ = (pos.z / pos.w + 1.0) / 2.0;","float iz = floor(computedZ * 65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),e.Vertex=a,e.Fragment=i,n.replaceShaderValues(e,r,o)},e.setMapperShaderParameters=(e,r,o)=>{e.getCABO().getElementCount()&&(t.VBOBuildTime>e.getAttributeUpdateTime().getMTime()||e.getShaderSourceTime().getMTime()>e.getAttributeUpdateTime().getMTime())&&(e.getProgram().isAttributeUsed("orientMC")&&(e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),"orientMC",12,e.getCABO().getStride(),t.context.FLOAT,3,!1)||Nm("Error setting 'orientMC' in shader 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m=null,h=null;null!=t.renderable.getScaleArray()&&i.hasArray(t.renderable.getScaleArray())&&(m=i.getArray(t.renderable.getScaleArray()).getData()),null!=t.renderable.getOrientationArray()&&i.hasArray(t.renderable.getOrientationArray())?h=i.getArray(t.renderable.getOrientationArray()).getData():Nm(["Error setting orientationArray.\n","You have to specify the stick orientation"]);const v=[0,1,3,0,3,2,2,3,5,2,5,4];let y=0,b=0,x=0,T=0;for(let e=0;e=4?255:0,g[T++]=v[t]>=2?255:0,g[T++]=255,b=e*p,d&&(g[T++]=d[b],g[T++]=d[b+1],g[T++]=d[b+2],g[T++]=d[b+3])}a.setElementCount(x/7),a.upload(f,Ju.ARRAY_BUFFER),a.getColorBO().upload(g,Ju.ARRAY_BUFFER),t.VBOBuildTime.modified()}}const Fm={};const _m=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fm,n),fp.extend(e,t,n),km(e,t)}),"vtkOpenGLStickMapper");rn("vtkStickMapper",_m);const Gm=Object.create(null);function Um(e,t){Gm[e]=t}function Wm(e,t){t.classHierarchy.push("vtkWebGPUViewNodeFactory")}const zm={};function Hm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,zm,n),t.overrides=Gm,tn.extend(e,t,n),Wm(0,t)}var jm={newInstance:jt.newInstance(Hm,"vtkWebGPUViewNodeFactory"),extend:Hm};function Km(e,t){t.classHierarchy.push("vtkWebGPUCamera"),e.getProjectionMatrix=(e,n,r,o)=>{if(g(e),t.renderable.getParallelProjection()){const a=t.renderable.getParallelScale(),i=a*n,s=a,l=(o[0]-1)*i,c=(o[0]+1)*i,u=(o[1]-1)*s,d=(o[1]+1)*s,p=1/(c-l),f=1/(d-u);e[0]=2*p,e[5]=2*f,e[10]=1/(r[1]-r[0]),e[12]=(c+l)*p,e[13]=(d+u)*f,e[14]=r[1]/(r[1]-r[0])}else{const a=Math.tan(Math.PI*t.renderable.getViewAngle()/360);let i,s;!0===t.renderable.getUseHorizontalViewAngle()?(i=r[0]*a,s=r[0]*a/n):(i=r[0]*a*n,s=r[0]*a);const l=(o[0]-1)*i,c=(o[0]+1)*i,u=(o[1]-1)*s,d=(o[1]+1)*s;e[0]=2*r[0]/(c-l),e[5]=2*r[0]/(d-u),e[12]=(l+c)/(c-l),e[13]=(u+d)/(d-u),e[10]=0,e[14]=r[0],e[11]=-1,e[15]=0}},e.convertToOpenGLDepth=e=>{if(t.renderable.getParallelProjection())return 1-e;const n=t.renderable.getClippingRangeByReference();let r=-n[0]/e;return r=(n[0]+n[1])/(n[1]-n[0])+2*n[0]*n[1]/(r*(n[1]-n[0])),.5*r+.5},e.getKeyMatrices=n=>{const r=n.getRenderable(),o=n.getParent();if(Math.max(o.getMTime(),e.getMTime(),r.getMTime(),t.renderable.getMTime(),n.getStabilizedTime())>t.keyMatrixTime.getMTime()){const r=t.renderable.getViewMatrix();d(t.keyMatrices.normalMatrix,r),t.keyMatrices.normalMatrix[3]=0,t.keyMatrices.normalMatrix[7]=0,t.keyMatrices.normalMatrix[11]=0,h(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix),m(t.keyMatrices.wcvc,r);const o=n.getStabilizedCenterByReference();x(t.keyMatrices.scvc,t.keyMatrices.wcvc,o);const a=n.getAspectRatio(),i=t.renderable.getClippingRangeByReference();e.getProjectionMatrix(t.keyMatrices.vcpc,a,i,t.renderable.getWindowCenterByReference()),b(t.keyMatrices.scpc,t.keyMatrices.vcpc,t.keyMatrices.scvc),h(t.keyMatrices.pcsc,t.keyMatrices.scpc),t.keyMatrixTime.modified()}return t.keyMatrices}}const $m={keyMatrixTime:null,keyMatrices:null};const qm=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,$m,n),Zt.extend(e,t,n),t.keyMatrixTime={},jt.obj(t.keyMatrixTime),t.keyMatrices={normalMatrix:new Float64Array(16),vcpc:new Float64Array(16),pcsc:new Float64Array(16),wcvc:new Float64Array(16),scpc:new Float64Array(16),scvc:new Float64Array(16)},jt.setGet(e,t,["keyMatrixTime"]),Km(e,t)}));function Xm(e,t){t.classHierarchy.push("vtkWebGPUBindGroup"),e.setBindables=n=>{if(t.bindables.length===n.length){let e=!0;for(let r=0;r{const n=[];for(let e=0;e{let r=e.getMTime();for(let e=0;er?n:r}if(r{const n=[],r=e.getBindGroupLayoutCount(t.label);for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ym,n),jt.obj(e,t),t.bindables=[],t.bindGroupTime={},jt.obj(t.bindGroupTime,{mtime:0}),jt.get(e,t,["bindGroupTime","handle","sizeInBytes","usage"]),jt.setGet(e,t,["label","device","arrayInformation"]),Xm(e,t)}var Qm={newInstance:jt.newInstance(Zm),extend:Zm};function Jm(e,t){t.classHierarchy.push("vtkWebGPUShaderModule"),e.initialize=(e,n)=>{t.device=e,t.handle=t.device.getHandle().createShaderModule({code:n.getCode()})}}const eh={device:null,handle:null};function th(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,eh,n),jt.obj(e,t),jt.get(e,t,["lastCameraMTime"]),jt.setGet(e,t,["device","handle"]),Jm(e,t)}var nh={newInstance:jt.newInstance(th,"vtkWebGPUShaderModule"),extend:th};function rh(e,t){t.classHierarchy.push("vtkWebGPUShaderCache"),e.getShaderModule=e=>{const n=e.getType(),r=e.getHash(),o=t._shaderModules.keys();for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,oh,n),t._shaderModules=new Map,jt.obj(e,t),jt.setGet(e,t,["device","window"]),rh(e,t)}var ih={newInstance:jt.newInstance(ah,"vtkWebGPUShaderCache"),extend:ah,substitute:function(e,t,n){let r=!(arguments.length>3&&void 0!==arguments[3])||arguments[3];const 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Lh(e,t){t.classHierarchy.push("vtkWebGPUFullScreenQuad"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position"),r.addOutput("vec4","vertexVC");let o=r.getCode();o=ih.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4(vertexBC, 1.0);","output.vertexVC = vec4(vertexBC, 1);"]).result,r.setCode(o)},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.updateBuffers=()=>{const e=t.device.getBufferManager().getFullScreenQuadBuffer();t.vertexInput.addBuffer(e,["vertexBC"]),t.numberOfVertices=6}}const Bh={};function Nh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Bh,n),Dh.extend(e,t,n),Lh(e,t)}var 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e=0;et.device.hasCachedObject(e),e.getBuffer=e=>e.hash?t.device.getCachedObject(e.hash,n,e):n(e),e.getBufferForPointArray=(t,n)=>{const r=function(e){let t;switch(e.getDataType()){case sv.UNSIGNED_CHAR:t="uint8";break;case sv.FLOAT:t="float32";break;case sv.UNSIGNED_INT:t="uint32";break;case sv.INT:t="sint32";break;case sv.DOUBLE:t="float32";break;case sv.UNSIGNED_SHORT:t="uint16";break;case sv.SHORT:t="sin16";break;default:t="float32"}switch(e.getNumberOfComponents()){case 2:t+="x2";break;case 3:t.includes("32")||iv(`unsupported x3 type for ${t}`),t+="x3";break;case 4:t+="x4"}return t}(t),o={hash:`${t.getMTime()}I${n.getMTime()}${r}`,usage:av.PointArray,format:r,dataArray:t,indexBuffer:n};return e.getBuffer(o)},e.getFullScreenQuadBuffer=()=>{if(t.fullScreenQuadBuffer)return t.fullScreenQuadBuffer;t.fullScreenQuadBuffer=zh.newInstance(),t.fullScreenQuadBuffer.setDevice(t.device);const e=new Float32Array([-1,-1,0,1,-1,0,1,1,0,-1,-1,0,1,1,0,-1,1,0]);return t.fullScreenQuadBuffer.createAndWrite(e,GPUBufferUsage.VERTEX),t.fullScreenQuadBuffer.setStrideInBytes(12),t.fullScreenQuadBuffer.setArrayInformation([{offset:0,format:"float32x3"}]),t.fullScreenQuadBuffer}}const dv={device:null,fullScreenQuadBuffer:null};function pv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,dv,n),yt(e,t),At(e,t,["device"]),uv(e,t)}var fv={newInstance:Et(pv),extend:pv,...Fh};const{BufferUsage:gv}=fv,{vtkErrorMacro:mv}=jt;function hv(e,t){t.classHierarchy.push("vtkWebGPUStorageBuffer"),e.addEntry=(e,n)=>{if(t._bufferEntryNames.has(e))return void mv(`entry named ${e} already exists`);t._bufferEntryNames.set(e,t.bufferEntries.length);const r=Th(n);t.bufferEntries.push({name:e,type:n,sizeInBytes:r,offset:t.sizeInBytes,nativeType:Ch(n)}),t.sizeInBytes+=r},e.send=e=>{if(!t._buffer){const n={nativeArray:t.Float32Array,usage:gv.Storage,label:t.label};return t._buffer=e.getBufferManager().getBuffer(n),t.bindGroupTime.modified(),void 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i=t[a.nativeType],s=r.length/t.numberOfInstances;for(let e=0;e{const o=t._bufferEntryNames.get(n);if(void 0===o)return void mv(`entry named ${n} not found in UBO`);const a=t.bufferEntries[o];e.createView(a.nativeType);const i=t[a.nativeType],s=r.length/t.numberOfInstances;for(let e=0;e{const o=t._bufferEntryNames.get(n);if(void 0===o)return void mv(`entry named ${n} not found in UBO`);const a=t.bufferEntries[o];e.createView(a.nativeType);const i=t[a.nativeType];for(let e=0;et._sendTime.getMTime(),e.getShaderCode=(e,n)=>{const r=[`struct ${t.label}StructEntry\n{`];for(let e=0;e,\n};\n@binding(${e}) @group(${n}) var ${t.label}: ${t.label}Struct;\n`),r.join("\n")},e.getBindGroupEntry=()=>({resource:{buffer:t._buffer.getHandle()}}),e.clearData=()=>{t.numberOfInstances=0,t.sizeInBytes=0,t.bufferEntries=[],t._bufferEntryNames=new Map,t._buffer=null,delete t.arrayBuffer,delete t.Float32Array}}const vv={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,numberOfInstances:1};function yv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,vv,n),jt.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t._sendTime={},jt.obj(t._sendTime,{mtime:0}),t.bindGroupTime={},jt.obj(t.bindGroupTime,{mtime:0}),t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"read-only-storage"}},jt.get(e,t,["bindGroupTime"]),jt.setGet(e,t,["device","bindGroupLayoutEntry","label","numberOfInstances","sizeInBytes"]),hv(e,t)}var bv={newInstance:jt.newInstance(yv,"vtkWebGPUStorageBuffer"),extend:yv};const{BufferUsage:xv}=fv,{vtkErrorMacro:Tv}=jt;function Cv(e,t){t.classHierarchy.push("vtkWebGPUUniformBuffer"),e.addEntry=(e,n)=>{t._bufferEntryNames.has(e)?Tv(`entry named ${e} already exists`):(t.sortDirty=!0,t._bufferEntryNames.set(e,t.bufferEntries.length),t.bufferEntries.push({name:e,type:n,sizeInBytes:Th(n),offset:-1,nativeType:Ch(n),packed:!1}))},e.sortBufferEntries=()=>{if(!t.sortDirty)return;let e=0;const n=[];let r=4;for(let e=0;e4&&(o.packed=!0,o.offset=e,n.push(o),e+=o.sizeInBytes)}for(let r=0;r{if(!t.UBO){const n={nativeArray:t.Float32Array,usage:xv.UniformArray,label:t.label};t.UBO=e.getBufferManager().getBuffer(n),t.bindGroupTime.modified(),t.sendDirty=!1}t.sendDirty&&(e.getHandle().queue.writeBuffer(t.UBO.getHandle(),0,t.arrayBuffer,0,t.sizeInBytes),t.sendDirty=!1),t.sendTime.modified()},e.createView=e=>{e in t==0&&(t.arrayBuffer||(t.arrayBuffer=new ArrayBuffer(t.sizeInBytes)),t[e]=jt.newTypedArray(e,t.arrayBuffer))},e.setValue=(n,r)=>{e.sortBufferEntries();const o=t._bufferEntryNames.get(n);if(void 0===o)return void Tv(`entry named ${n} not found in UBO`);const a=t.bufferEntries[o];e.createView(a.nativeType);const i=t[a.nativeType];a.lastValue!==r&&(i[a.offset/i.BYTES_PER_ELEMENT]=r,t.sendDirty=!0),a.lastValue=r},e.setArray=(n,r)=>{e.sortBufferEntries();const o=t._bufferEntryNames.get(n);if(void 0===o)return void Tv(`entry named ${n} not found in UBO`);const a=t.bufferEntries[o];e.createView(a.nativeType);const i=t[a.nativeType];let s=!1;for(let e=0;e({resource:{buffer:t.UBO.getHandle()}}),e.getSendTime=()=>t.sendTime.getMTime(),e.getShaderCode=(n,r)=>{e.sortBufferEntries();const o=[`struct ${t.label}Struct\n{`];for(let e=0;e ${t.label}: ${t.label}Struct;`),o.join("\n")}}const Sv={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,bindGroupLayoutEntry:null,bindGroupEntry:null};function Av(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Sv,n),jt.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"uniform"}},t.sendTime={},jt.obj(t.sendTime,{mtime:0}),t.bindGroupTime={},jt.obj(t.bindGroupTime,{mtime:0}),t.sendDirty=!0,t.sortDirty=!0,jt.get(e,t,["binding","bindGroupTime"]),jt.setGet(e,t,["bindGroupLayoutEntry","device","label","sizeInBytes"]),Cv(e,t)}var Pv={newInstance:jt.newInstance(Av,"vtkWebGPUUniformBuffer"),extend:Av};const{vtkDebugMacro:Iv}=Kt,wv="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = mapperUBO.BackgroundColor;\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n",Ov=new Float64Array(16),Mv=new Float64Array(16);function Rv(e,t){t.classHierarchy.push("vtkWebGPURenderer"),e.buildPass=n=>{if(n){if(!t.renderable)return;t.camera=t.renderable.getActiveCamera(),e.updateLights(),e.prepareNodes(),e.addMissingNode(t.camera),e.addMissingNodes(t.renderable.getViewPropsWithNestedProps()),e.removeUnusedNodes(),t.webgpuCamera=e.getViewNodeFor(t.camera),e.updateStabilizedMatrix()}},e.updateStabilizedMatrix=()=>{const e=t.camera.getClippingRange(),n=t.camera.getPositionByReference(),r=[],o=[];On(o,t.camera.getDirectionOfProjectionByReference(),.5*(e[0]+e[1])),In(r,n,o),_n(o,r,t.stabilizedCenter),Un(o)/(e[1]-e[0])>t.recenterThreshold&&(t.stabilizedCenter=r,t.stabilizedTime.modified())},e.updateLights=()=>{let e=0;const n=t.renderable.getLightsByReference();for(let t=0;t0&&e++;return e||(Iv("No lights are on, creating one."),t.renderable.createLight()),e},e.updateUBO=()=>{const n=t.UBO.getSendTime();if(t._parent.getMTime()>n||e.getMTime()>n||t.camera.getMTime()>n||t.renderable.getMTime()>n){const n=t.webgpuCamera.getKeyMatrices(e);t.UBO.setArray("WCVCMatrix",n.wcvc),t.UBO.setArray("SCPCMatrix",n.scpc),t.UBO.setArray("PCSCMatrix",n.pcsc),t.UBO.setArray("SCVCMatrix",n.scvc),t.UBO.setArray("VCPCMatrix",n.vcpc),t.UBO.setArray("WCVCNormals",n.normalMatrix),t.UBO.setValue("LightCount",t.renderable.getLights().length),t.UBO.setValue("MaxEnvironmentMipLevel",t.renderable.getEnvironmentTexture()?.getMipLevel()),t.UBO.setValue("BackgroundDiffuseStrength",t.renderable.getEnvironmentTextureDiffuseStrength()),t.UBO.setValue("BackgroundSpecularStrength",t.renderable.getEnvironmentTextureSpecularStrength());const r=e.getYInvertedTiledSizeAndOrigin();t.UBO.setArray("viewportSize",[r.usize,r.vsize]),t.UBO.setValue("cameraParallel",t.camera.getParallelProjection());const o=t._parent.getDevice();t.UBO.sendIfNeeded(o)}},e.updateSSBO=()=>{const n=t.renderable.getLights(),r=t.webgpuCamera.getKeyMatrices(e);let o=`${t.renderable.getMTime()}`;for(let e=0;e=90?0:2:1,s[l+1]=Math.cos(Eo(n[t].getConeAngle())),s[l+2]=Math.cos(Eo(n[t].getConeAngle()+n[t].getConeFalloff())),s[l+3]=0}t.SSBO.clearData(),t.SSBO.setNumberOfInstances(n.length),t.SSBO.addEntry("LightPos","vec4"),t.SSBO.addEntry("LightDir","vec4"),t.SSBO.addEntry("LightColor","vec4"),t.SSBO.addEntry("LightData","vec4"),t.SSBO.setAllInstancesFromArray("LightPos",e),t.SSBO.setAllInstancesFromArray("LightDir",o),t.SSBO.setAllInstancesFromArray("LightColor",i),t.SSBO.setAllInstancesFromArray("LightData",s);const l=t._parent.getDevice();t.SSBO.send(l)}var a;t.lightTimeString=o},e.scissorAndViewport=t=>{const n=e.getYInvertedTiledSizeAndOrigin();t.getHandle().setViewport(n.lowerLeftU,n.lowerLeftV,n.usize,n.vsize,0,1),t.getHandle().setScissorRect(n.lowerLeftU,n.lowerLeftV,n.usize,n.vsize)},e.bindUBO=e=>{e.activateBindGroup(t.bindGroup)},e.opaquePass=n=>{n?(t.renderEncoder.begin(t._parent.getCommandEncoder()),e.updateUBO(),e.updateSSBO()):(e.scissorAndViewport(t.renderEncoder),e.clear(),t.renderEncoder.end())},e.clear=()=>{if(t.renderable.getTransparent()||t.suppressClear)return;const n=t._parent.getDevice();if(!t.clearFSQ){t.clearFSQ=kh.newInstance(),t.clearFSQ.setDevice(n),t.clearFSQ.setPipelineHash("clearfsq"),t.clearFSQ.setFragmentShaderTemplate(wv);const e=Pv.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e),t.backgroundTex=t.renderable.getEnvironmentTexture()}if("clearfsqwithtexture"!==t.clearFSQ.getPipelineHash()&&t.renderable.getUseEnvironmentTextureAsBackground()&&t.backgroundTex?.getImageLoaded()){t.clearFSQ.setFragmentShaderTemplate("\nfn vecToRectCoord(dir: vec3) -> vec2 {\n var tau: f32 = 6.28318530718;\n var pi: f32 = 3.14159265359;\n var out: vec2 = vec2(0.0);\n\n out.x = atan2(dir.z, dir.x) / tau;\n out.x += 0.5;\n\n var phix: f32 = length(vec2(dir.x, dir.z));\n out.y = atan2(dir.y, phix) / pi + 0.5;\n\n return out;\n}\n\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var tcoord: vec4 = vec4(input.vertexVC.xy, -1, 1);\n var V: vec4 = normalize(mapperUBO.FSQMatrix * tcoord); // vec2((input.tcoordVS.x - 0.5) * 2, -(input.tcoordVS.y - 0.5) * 2);\n // textureSampleLevel gets rid of some ugly artifacts\n var background = textureSampleLevel(EnvironmentTexture, EnvironmentTextureSampler, vecToRectCoord(V.xyz), 0);\n var computedColor: vec4 = vec4(background.rgb, 1);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n");const e=Pv.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e);const r=n.getTextureManager().getTextureForVTKTexture(t.backgroundTex);if(r.getReady()){const e=r.createView("EnvironmentTexture");t.clearFSQ.setTextureViews([e]),t.backgroundTexLoaded=!0;const o=t.backgroundTex.getInterpolate()?"linear":"nearest";e.addSampler(n,{addressModeU:"repeat",addressModeV:"clamp-to-edge",addressModeW:"repeat",minFilter:o,magFilter:o,mipmapFilter:"linear"})}t.clearFSQ.setPipelineHash("clearfsqwithtexture")}else if("clearfsqwithtexture"===t.clearFSQ.getPipelineHash()&&!t.renderable.getUseEnvironmentTextureAsBackground()){t.clearFSQ=kh.newInstance(),t.clearFSQ.setDevice(n),t.clearFSQ.setPipelineHash("clearfsq"),t.clearFSQ.setFragmentShaderTemplate(wv);const e=Pv.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e)}const r=t.webgpuCamera.getKeyMatrices(e),o=t.renderable.getBackgroundByReference();t.clearFSQ.getUBO().setArray("BackgroundColor",o),m(Mv,r.normalMatrix),oe(Ov,r.scvc,r.pcsc),oe(Ov,Mv,Ov),t.clearFSQ.getUBO().setArray("FSQMatrix",Ov),t.clearFSQ.getUBO().sendIfNeeded(n),t.clearFSQ.prepareAndDraw(t.renderEncoder)},e.translucentPass=n=>{n?t.renderEncoder.begin(t._parent.getCommandEncoder()):(e.scissorAndViewport(t.renderEncoder),t.renderEncoder.end())},e.volumeDepthRangePass=n=>{n?t.renderEncoder.begin(t._parent.getCommandEncoder()):(e.scissorAndViewport(t.renderEncoder),t.renderEncoder.end())},e.getAspectRatio=()=>{const e=t._parent.getSizeByReference(),n=t.renderable.getViewportByReference();return e[0]*(n[2]-n[0])/((n[3]-n[1])*e[1])},e.convertToOpenGLDepth=e=>t.webgpuCamera.convertToOpenGLDepth(e),e.getYInvertedTiledSizeAndOrigin=()=>{const n=e.getTiledSizeAndOrigin(),r=t._parent.getSizeByReference();return n.lowerLeftV=r[1]-n.vsize-n.lowerLeftV,n},e.getTiledSizeAndOrigin=()=>{const e=t.renderable.getViewportByReference(),n=[0,0,1,1],r=e[0]-n[0],o=e[1]-n[1],a=t._parent.normalizedDisplayToDisplay(r,o),i=Math.round(a[0]),s=Math.round(a[1]),l=e[2]-n[0],c=e[3]-n[1],u=t._parent.normalizedDisplayToDisplay(l,c);let d=Math.round(u[0])-i,p=Math.round(u[1])-s;return d<0&&(d=0),p<0&&(p=0),{usize:d,vsize:p,lowerLeftU:i,lowerLeftV:s}},e.getPropFromID=e=>{for(let n=0;nt.stabilizedTime.getMTime(),e.releaseGraphicsResources=()=>{null!==t.selector&&t.selector.releaseGraphicsResources()}}const Vv={bindGroup:null,selector:null,renderEncoder:null,recenterThreshold:20,suppressClear:!1,stabilizedCenter:[0,0,0]};const Ev=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Vv,n),Zt.extend(e,t,n),t.UBO=Pv.newInstance({label:"rendererUBO"}),t.UBO.addEntry("WCVCMatrix","mat4x4"),t.UBO.addEntry("SCPCMatrix","mat4x4"),t.UBO.addEntry("PCSCMatrix","mat4x4"),t.UBO.addEntry("SCVCMatrix","mat4x4"),t.UBO.addEntry("VCPCMatrix","mat4x4"),t.UBO.addEntry("WCVCNormals","mat4x4"),t.UBO.addEntry("viewportSize","vec2"),t.UBO.addEntry("LightCount","i32"),t.UBO.addEntry("MaxEnvironmentMipLevel","f32"),t.UBO.addEntry("BackgroundDiffuseStrength","f32"),t.UBO.addEntry("BackgroundSpecularStrength","f32"),t.UBO.addEntry("cameraParallel","u32"),t.SSBO=bv.newInstance({label:"rendererLightSSBO"}),t.lightTimeString="",t.bindGroup=Qm.newInstance({label:"rendererBG"}),t.bindGroup.setBindables([t.UBO,t.SSBO]),t.tmpMat4=g(new Float64Array(16)),t.stabilizedTime={},yt(t.stabilizedTime,{mtime:0}),xt(e,t,["bindGroup","stabilizedTime"]),Pt(e,t,["stabilizedCenter"]),At(e,t,["renderEncoder","selector","suppressClear","UBO"]),Rv(e,t)}),"vtkWebGPURenderer");Um("vtkRenderer",Ev);const{CoordinateSystem:Dv}=is;function Lv(e,t){t.classHierarchy.push("vtkWebGPUActor"),e.buildPass=n=>{n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes())},e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t.WebGPURenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children[0]&&t.children[0].traverse(n),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t.WebGPURenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children[0]&&t.children[0].traverse(n),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.getBufferShift=n=>(e.getKeyMatrices(n),t.bufferShift),e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix();t.bufferShift[0]=n[3],t.bufferShift[1]=n[7],t.bufferShift[2]=n[11];const r=e.getStabilizedCenterByReference();t.renderable.getCoordinateSystem()===Dv.WORLD&&(t.bufferShift[0]-=r[0],t.bufferShift[1]-=r[1],t.bufferShift[2]-=r[2]),m(t.keyMatrices.bcwc,n),t.renderable.getIsIdentity()?g(t.keyMatrices.normalMatrix):(d(t.keyMatrices.normalMatrix,t.keyMatrices.bcwc),t.keyMatrices.normalMatrix[3]=0,t.keyMatrices.normalMatrix[7]=0,t.keyMatrices.normalMatrix[11]=0,h(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix),m(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix)),x(t.keyMatrices.bcwc,t.keyMatrices.bcwc,[-t.bufferShift[0],-t.bufferShift[1],-t.bufferShift[2]]),t.renderable.getCoordinateSystem()===Dv.WORLD?x(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]):d(t.keyMatrices.bcsc,t.keyMatrices.bcwc),t.keyMatricesTime.modified()}return t.keyMatrices}}const Bv={keyMatricesTime:null,keyMatrices:null,propID:void 0,bufferShift:void 0};const Nv=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Bv,n),Zt.extend(e,t,n),t.keyMatricesTime={},jt.obj(t.keyMatricesTime,{mtime:0}),t.keyMatrices={normalMatrix:new Float64Array(16),bcwc:new Float64Array(16),bcsc:new Float64Array(16)},jt.get(e,t,["propID","keyMatricesTime"]),t.bufferShift=[0,0,0,0],Lv(e,t)}));Um("vtkActor",Nv);const{CoordinateSystem:kv}=is;function Fv(e,t){t.classHierarchy.push("vtkWebGPUActor2D"),e.buildPass=n=>{n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes())},e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t.WebGPURenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children[0]&&t.children[0].traverse(n),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t.WebGPURenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children[0]&&t.children[0].traverse(n),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.getBufferShift=n=>(e.getKeyMatrices(n),t.bufferShift),e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.bufferShift[0]=0,t.bufferShift[1]=0,t.bufferShift[2]=0;const n=e.getStabilizedCenterByReference();t.renderable.getCoordinateSystem()===kv.WORLD&&(t.bufferShift[0]-=n[0],t.bufferShift[1]-=n[1],t.bufferShift[2]-=n[2]),g(t.keyMatrices.bcwc),g(t.keyMatrices.normalMatrix),x(t.keyMatrices.bcwc,t.keyMatrices.bcwc,[-t.bufferShift[0],-t.bufferShift[1],-t.bufferShift[2]]),t.renderable.getCoordinateSystem()===kv.WORLD?x(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-n[0],-n[1],-n[2]]):d(t.keyMatrices.bcsc,t.keyMatrices.bcwc),t.keyMatricesTime.modified()}return t.keyMatrices}}const _v={keyMatricesTime:null,keyMatrices:null,propID:void 0,bufferShift:void 0};const Gv=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,_v,n),Zt.extend(e,t,n),t.keyMatricesTime={},jt.obj(t.keyMatricesTime,{mtime:0}),t.keyMatrices={normalMatrix:new Float64Array(16),bcwc:new Float64Array(16),bcsc:new Float64Array(16)},jt.get(e,t,["propID","keyMatricesTime"]),t.bufferShift=[0,0,0,0],Fv(e,t)}));function Uv(e,t){t.classHierarchy.push("vtkWebGPUCubeAxesActor"),e.buildPass=n=>{n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent(),t.CubeAxesActorHelper.getRenderable()||t.CubeAxesActorHelper.setRenderable(t.renderable),e.prepareNodes(),e.addMissingNode(t.CubeAxesActorHelper.getTmActor()),e.addMissingNode(t.renderable.getGridActor()),e.removeUnusedNodes())},e.opaquePass=(e,n)=>{if(e){const e=t.WebGPURenderer?t.WebGPURenderer.getRenderable().getActiveCamera():null,n=t.WebGPURenderer.getTiledSizeAndOrigin();t.CubeAxesActorHelper.updateAPISpecificData([n.usize,n.vsize],e,t.WebGPURenderWindow.getRenderable())}}}Um("vtkActor2D",Gv);const Wv={};const zv=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Wv,n),Zt.extend(e,t,n),t.CubeAxesActorHelper=Xu.newCubeAxesActorHelper(),Uv(e,t)}),"vtkWebGPUCubeAxesActor");Um("vtkCubeAxesActor",zv);const{DisplayLocation:Hv}=Cp;function jv(e,t){t.classHierarchy.push("vtkProperty2D"),e.setDisplayLocationToBackground=()=>e.setDisplayLocation(Hv.BACKGROUND),e.setDisplayLocationToForeground=()=>e.setDisplayLocation(Hv.FOREGROUND),e.setRepresentationToWireframe=()=>e.setRepresentation(ps.WIREFRAME),e.setRepresentationToSurface=()=>e.setRepresentation(ps.SURFACE),e.setRepresentationToPoints=()=>e.setRepresentation(ps.POINTS),e.getRepresentationAsString=()=>jt.enumToString(ps,t.representation)}const Kv={color:[1,1,1],opacity:1,pointSize:1,lineWidth:1,representation:ps.SURFACE,displayLocation:Hv.FOREGROUND};function $v(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Kv,n),jt.obj(e,t),jt.setGet(e,t,["opacity","lineWidth","pointSize","displayLocation","representation"]),jt.setGetArray(e,t,["color"],3),jv(e,t)}var qv={newInstance:jt.newInstance($v,"vtkProperty2D"),extend:$v,...Cp};const{BufferUsage:Xv,PrimitiveTypes:Yv}=fv,{Representation:Zv}=xs,{ScalarMode:Qv}=fc,{CoordinateSystem:Jv}=is,{DisplayLocation:ey}=qv,ty="\n//VTK::Renderer::Dec\n\n//VTK::Color::Dec\n\n//VTK::Normal::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Select::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::IOStructs::Dec\n\n@vertex\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output : vertexOutput;\n\n var vertex: vec4 = vertexBC;\n\n //VTK::Color::Impl\n\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Select::Impl\n\n //VTK::Position::Impl\n\n return output;\n}\n",ny='\nstruct PBRData {\n diffuse: vec3,\n specular: vec3,\n}\n\n// Dot product with the max already in it\nfn mdot(a: vec3, b: vec3) -> f32 {\n return max(0.0, dot(a, b));\n}\n// Dot product with a max in it that does not allow for negative values\n// Physically based rendering is accurate as long as normals are accurate,\n// however this is pretty often not the case. In order to prevent negative\n// values from ruining light calculations and creating zones of zero light,\n// this remapping is used, which smoothly clamps the dot product between\n// zero and one while still maintaining a good amount of accuracy.\nfn cdot(a: vec3, b: vec3) -> f32 {\n var d: f32 = max(0.0, dot(a, b));\n d = pow((d + 1) / 2.0, 2.6);\n return d;\n}\n\n// Lambertian diffuse model\nfn lambertDiffuse(base: vec3, N: vec3, L: vec3) -> vec3 {\n var pi: f32 = 3.14159265359; \n var NdotL: f32 = mdot(N, L);\n NdotL = pow(NdotL, 1.5);\n return (base/pi)*NdotL;\n}\n\n// Yasuhiro Fujii improvement on the Oren-Nayar model\n// https://mimosa-pudica.net/improved-oren-nayar.html\n// p is surface color, o is roughness\nfn fujiiOrenNayar(p: vec3, o: f32, N: vec3, L: vec3, V: vec3) -> vec3 {\n var invpi: f32 = 0.31830988618; // 1/pi\n\n var o2 = o*o;\n var NdotL: f32 = mdot(N, L);\n NdotL = pow(NdotL, 1.5); // Less physically accurate, but hides the "seams" between lights better\n\n var NdotV: f32 = mdot(N, V);\n var LdotV: f32 = mdot(L, V);\n\n var s: f32 = LdotV - NdotL*NdotV;\n var t: f32 = mix(1, max(NdotL, NdotV), step(0, s)); // Mix with step is the equivalent of an if statement\n var A: vec3 = 0.5*(o2 / (o2 + 0.33)) + 0.17*p*(o2 / (o2 + 0.13));\n A = invpi*(1 - A);\n var B: f32 = 0.45*(o2 / (o2 + 0.09));\n B = invpi*B;\n\n return p*NdotL*(A + B*(s/t));\n}\n\n// Fresnel portion of BRDF (IOR only, simplified)\nfn schlickFresnelIOR(V: vec3, N: vec3, ior: f32, k: f32) -> f32 {\n var NdotV: f32 = mdot(V, N);\n var F0: f32 = (pow((ior - 1.0), 2) + k*k) / (pow((ior + 1.0), 2) + k*k); // This takes into account the roughness, which the other one does not\n return F0 + (1 - F0) * pow((1-NdotV), 5); \n}\n\n// Fresnel portion of BRDF (Color ior, better)\nfn schlickFresnelRGB(V: vec3, N: vec3, F0: vec3) -> vec3 {\n var NdotV: f32 = mdot(V, N);\n return F0 + (1 - F0) * pow((1-NdotV), 5); \n}\n\n// Normal portion of BRDF\n// https://learnopengl.com/PBR/Theory\n// Trowbridge-Reitz GGX functions: normal, halfway, roughness^2\nfn trGGX(N: vec3, H: vec3, a: f32) -> f32 {\n var pi: f32 = 3.14159265359; \n\n var a2: f32 = a*a;\n var NdotH = mdot(N, H);\n var NdotH2 = NdotH*NdotH;\n \n var denom: f32 = NdotH2 * (a2 - 1.0) + 1.0;\n\n return a2 / max((pi*denom*denom), 0.000001);\n}\n\n// A VERY bad approximation of anisotropy. Real anisotropic calculations require tangent and bitangent\nfn anisotrophicTrGGX(N: vec3, H: vec3, O: vec3, s: f32, a: f32) -> f32 {\n var Op: vec3 = (rendererUBO.WCVCNormals * vec4(normalize(O) * s, 0.)).xyz;\n\n var ggx1: f32 = trGGX(N + Op*s, H, a);\n var ggx2: f32 = trGGX(N - Op*s, H, a);\n return (0.5 * ggx1 + 0.5 * ggx2);\n}\n\n// Geometry portion of BRDF\nfn schlickGGX(N: vec3, X: vec3, k: f32) -> f32 {\n var NdotX = cdot(N, X);\n return NdotX / max(0.000001, (NdotX*(1-k) + k));\n}\n\nfn smithSurfaceRoughness(N: vec3, V: vec3, L: vec3, k: f32) -> f32 {\n var ggx1: f32 = min(1, schlickGGX(N, V, k));\n var ggx2: f32 = min(1, schlickGGX(N, L, k));\n return ggx1*ggx2;\n}\n\n// BRDF Combination\nfn cookTorrance(D: f32, F: f32, G: f32, N: vec3, V: vec3, L: vec3) -> f32 {\n var num: f32 = D*F*G;\n var denom: f32 = 4*cdot(V, N)*cdot(L, N);\n\n return num / max(denom, 0.000001);\n}\n\n// Different lighting calculations for different light sources\nfn calcDirectionalLight(N: vec3, V: vec3, ior: f32, roughness: f32, metallic: f32, direction: vec3, color: vec3, base: vec3) -> PBRData { \n var L: vec3 = normalize(direction); // Light Vector\n var H: vec3 = normalize(L + V); // Halfway Vector\n\n var alpha = roughness*roughness;\n var k: f32 = alpha*alpha / 2;\n\n var D: f32 = trGGX(N, H, alpha); // Distribution\n // var F: f32 = schlickFresnelIOR(V, N, ior, k); // Fresnel\n var G: f32 = smithSurfaceRoughness(N, V, L, k); // Geometry\n\n var brdf: f32 = cookTorrance(D, 1, G, N, V, L); // Fresnel term is replaced with 1 because it is added later\n var incoming: vec3 = color;\n var angle: f32 = mdot(L, N);\n angle = pow(angle, 1.5);\n\n var specular: vec3 = brdf*incoming*angle;\n // Oren-Nayar gives a clay-like effect when fully rough which some people may not want, so it might be better to give a separate\n // control property for the diffuse vs specular roughness\n var diffuse: vec3 = incoming*fujiiOrenNayar(base, roughness, N, L, V); \n // Stores the specular and diffuse separately to allow for finer post processing\n var out = PBRData(diffuse, specular);\n \n return out; // Returns angle along with color of light so the final color can be multiplied by angle as well (creates black areas)\n}\n\n// TODO: find some way to reduce the number of arguments going in here\nfn calcPointLight(N: vec3, V: vec3, fragPos: vec3, ior: f32, roughness: f32, metallic: f32, position: vec3, color: vec3, base: vec3) -> PBRData {\n var L: vec3 = normalize(position - fragPos); // Light Vector\n var H: vec3 = normalize(L + V); // Halfway Vector\n var dist = distance(position, fragPos);\n\n var alpha = roughness*roughness;\n var k: f32 = alpha*alpha / 2; // could also be pow(alpha + 1.0, 2) / 8\n\n var D: f32 = trGGX(N, H, alpha); // Distribution\n // var F: f32 = schlickFresnelIOR(V, N, ior, k); // Fresnel\n var G: f32 = smithSurfaceRoughness(N, V, L, k); // Geometry\n\n var brdf: f32 = cookTorrance(D, 1, G, N, V, L); \n var incoming: vec3 = color * (1. / (dist*dist));\n var angle: f32 = mdot(L, N);\n angle = pow(angle, 1.5); // Smoothing factor makes it less accurate, but reduces ugly "seams" bewteen light sources\n\n var specular: vec3 = brdf*incoming*angle;\n var diffuse: vec3 = incoming*fujiiOrenNayar(base, roughness, N, L, V);\n\n // Stores the specular and diffuse separately to allow for finer post processing\n // Could also be done (propably more properly) with a struct\n var out = PBRData(diffuse, specular);\n \n return out; // Returns angle along with color of light so the final color can be multiplied by angle as well (creates black areas)\n}\n\n// For a reason unknown to me, spheres dont seem to behave propperly with head-on spot lights\nfn calcSpotLight(N: vec3, V: vec3, fragPos: vec3, ior: f32, roughness: f32, metallic: f32, position: vec3, direction: vec3, cones: vec2, color: vec3, base: vec3) -> PBRData {\n var L: vec3 = normalize(position - fragPos);\n var H: vec3 = normalize(L + V); // Halfway Vector\n var dist = distance(position, fragPos);\n\n var alpha = roughness*roughness;\n var k: f32 = alpha*alpha / 2; // could also be pow(alpha + 1.0, 2) / 8\n\n var D: f32 = trGGX(N, H, alpha); // Distribution\n // var F: f32 = schlickFresnelIOR(V, N, ior, k); // Fresnel\n var G: f32 = smithSurfaceRoughness(N, V, L, k); // Geometry\n\n var brdf: f32 = cookTorrance(D, 1, G, N, V, L); \n \n // Cones.x is the inner phi and cones.y is the outer phi\n var theta: f32 = mdot(normalize(direction), L);\n var epsilon: f32 = cones.x - cones.y;\n var intensity: f32 = (theta - cones.y) / epsilon;\n intensity = clamp(intensity, 0.0, 1.0);\n intensity /= dist*dist;\n\n var incoming: vec3 = color * intensity;\n\n var angle: f32 = mdot(L, N);\n angle = pow(angle, 1.5); // Smoothing factor makes it less accurate, but reduces ugly "seams" bewteen light sources\n\n var specular: vec3 = brdf*incoming*angle;\n var diffuse: vec3 = incoming*fujiiOrenNayar(base, roughness, N, L, V);\n\n // Stores the specular and diffuse separately to allow for finer post processing\n // Could also be done (propably more properly) with a struct\n var out = PBRData(diffuse, specular);\n \n return out; // Returns angle along with color of light so the final color can be multiplied by angle as well (creates black areas)\n}\n\n// Environment mapping stuff\n// Takes in a vector and converts it to an equivalent coordinate in a rectilinear texture. Should be replaced with cubemaps at some point\nfn vecToRectCoord(dir: vec3) -> vec2 {\n var tau: f32 = 6.28318530718;\n var pi: f32 = 3.14159265359;\n var out: vec2 = vec2(0.0);\n\n out.x = atan2(dir.z, dir.x) / tau;\n out.x += 0.5;\n\n var phix: f32 = length(vec2(dir.x, dir.z));\n out.y = atan2(dir.y, phix) / pi + 0.5;\n\n return out;\n}\n\n//VTK::Renderer::Dec\n\n//VTK::Color::Dec\n\n//VTK::TCoord::Dec\n\n// optional surface normal declaration\n//VTK::Normal::Dec\n\n//VTK::Select::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output : fragmentOutput;\n\n // Temporary ambient, diffuse, and opacity\n var ambientColor: vec4 = mapperUBO.AmbientColor;\n var diffuseColor: vec4 = mapperUBO.DiffuseColor;\n var opacity: f32 = mapperUBO.Opacity;\n\n // This should be declared somewhere else\n var _diffuseMap: vec4 = vec4(1);\n var _roughnessMap: vec4 = vec4(1);\n var _metallicMap: vec4 = vec4(1);\n var _normalMap: vec4 = vec4(0, 0, 1, 0); // normal map was setting off the normal vector detection in fragment\n var _ambientOcclusionMap: vec4 = vec4(1);\n var _emissionMap: vec4 = vec4(0);\n\n //VTK::Color::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Normal::Impl\n\n var computedColor: vec4 = vec4(diffuseColor.rgb, 1.0);\n\n //VTK::Light::Impl\n\n //VTK::Select::Impl\n\n if (computedColor.a == 0.0) { discard; };\n\n //VTK::Position::Impl\n\n //VTK::RenderEncoder::Impl\n\n return output;\n}\n';function ry(e){return e.indexOf("edge")>=0}function oy(e,t){t.classHierarchy.push("vtkWebGPUCellArrayMapper"),e.buildPass=n=>{n&&(t.is2D?(t.WebGPUActor=e.getFirstAncestorOfType("vtkWebGPUActor2D"),t.forceZValue=!0):(t.WebGPUActor=e.getFirstAncestorOfType("vtkWebGPUActor"),t.forceZValue=!1),t.coordinateSystem=t.WebGPUActor.getRenderable().getCoordinateSystem(),t.useRendererMatrix=t.coordinateSystem!==Jv.DISPLAY,t.WebGPURenderer=t.WebGPUActor.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent(),t.device=t.WebGPURenderWindow.getDevice())},e.translucentPass=n=>{n&&(e.prepareToDraw(t.WebGPURenderer.getRenderEncoder()),t.renderEncoder.registerDrawCallback(t.pipeline,e.draw))},e.opaquePass=n=>{n&&(e.prepareToDraw(t.WebGPURenderer.getRenderEncoder()),t.renderEncoder.registerDrawCallback(t.pipeline,e.draw))},e.updateUBO=()=>{const n=t.WebGPUActor.getRenderable().getProperty(),r=t.UBO.getSendTime();if(e.getMTime()>r||n.getMTime()>r||t.renderable.getMTime()>r){const e=t.WebGPUActor.getKeyMatrices(t.WebGPURenderer);if(t.UBO.setArray("BCWCMatrix",e.bcwc),t.UBO.setArray("BCSCMatrix",e.bcsc),t.UBO.setArray("MCWCNormals",e.normalMatrix),t.is2D){t.UBO.setValue("ZValue",t.WebGPUActor.getRenderable().getProperty().getDisplayLocation()===ey.FOREGROUND?1:0);const e=n.getColorByReference();t.UBO.setValue("AmbientIntensity",1),t.UBO.setArray("DiffuseColor",[e[0],e[1],e[2],1]),t.UBO.setValue("DiffuseIntensity",0),t.UBO.setValue("SpecularIntensity",0)}else{let e=n.getAmbientColorByReference();t.UBO.setValue("AmbientIntensity",n.getAmbient()),t.UBO.setArray("AmbientColor",[e[0],e[1],e[2],1]),t.UBO.setValue("DiffuseIntensity",n.getDiffuse()),e=n.getDiffuseColorByReference(),t.UBO.setArray("DiffuseColor",[e[0],e[1],e[2],1]),t.UBO.setValue("Roughness",n.getRoughness()),t.UBO.setValue("BaseIOR",n.getBaseIOR()),t.UBO.setValue("Metallic",n.getMetallic()),t.UBO.setValue("NormalStrength",n.getNormalStrength()),t.UBO.setValue("Emission",n.getEmission()),t.UBO.setValue("SpecularIntensity",n.getSpecular()),e=n.getSpecularColorByReference(),t.UBO.setArray("SpecularColor",[e[0],e[1],e[2],1])}const r=n.getEdgeColorByReference?.();r&&t.UBO.setArray("EdgeColor",[r[0],r[1],r[2],1]),t.UBO.setValue("LineWidth",n.getLineWidth()),t.UBO.setValue("Opacity",n.getOpacity()),t.UBO.setValue("PropID",t.WebGPUActor.getPropID());const o=t.WebGPURenderWindow.getDevice();t.UBO.sendIfNeeded(o)}},e.haveWideLines=()=>{const e=t.WebGPUActor.getRenderable(),n=e.getProperty().getRepresentation();return!(e.getProperty().getLineWidth()<=1)&&t.primitiveType!==Yv.Verts&&(t.primitiveType!==Yv.Triangles&&t.primitiveType!==Yv.TriangleStrips||n===Zv.WIREFRAME)},e.replaceShaderPosition=(n,r,o)=>{const a=r.getShaderDescription("vertex");a.addBuiltinOutput("vec4","@builtin(position) Position"),a.hasOutput("vertexVC")||a.addOutput("vec4","vertexVC");let i=a.getCode();t.useRendererMatrix?(i=ih.substitute(i,"//VTK::Position::Impl",[" var pCoord: vec4 = rendererUBO.SCPCMatrix*mapperUBO.BCSCMatrix*vertexBC;"," output.vertexVC = rendererUBO.SCVCMatrix * mapperUBO.BCSCMatrix * vec4(vertexBC.xyz, 1.0);","//VTK::Position::Impl"]).result,t.forceZValue&&(i=ih.substitute(i,"//VTK::Position::Impl",["pCoord = vec4(pCoord.xyz/pCoord.w, 1.0);","pCoord.z = mapperUBO.ZValue;","//VTK::Position::Impl"]).result)):(i=ih.substitute(i,"//VTK::Position::Impl",[" var pCoord: vec4 = mapperUBO.BCSCMatrix*vertexBC;"," pCoord.x = 2.0* pCoord.x / rendererUBO.viewportSize.x - 1.0;"," pCoord.y = 2.0* pCoord.y / rendererUBO.viewportSize.y - 1.0;"," pCoord.z = 0.5 - 0.5 * pCoord.z;","//VTK::Position::Impl"]).result,t.forceZValue&&(i=ih.substitute(i,"//VTK::Position::Impl",[" pCoord.z = mapperUBO.ZValue;","//VTK::Position::Impl"]).result)),e.haveWideLines()&&(a.addBuiltinInput("u32","@builtin(instance_index) instanceIndex"),i=ih.substitute(i,"//VTK::Position::Impl",[" var tmpPos: vec4 = pCoord;"," var numSteps: f32 = ceil(mapperUBO.LineWidth - 1.0);"," var offset: f32 = (mapperUBO.LineWidth - 1.0) * (f32(input.instanceIndex / 2u) - numSteps/2.0) / numSteps;"," var tmpPos2: vec3 = tmpPos.xyz / tmpPos.w;"," tmpPos2.x = tmpPos2.x + 2.0 * (f32(input.instanceIndex) % 2.0) * offset / rendererUBO.viewportSize.x;"," tmpPos2.y = tmpPos2.y + 2.0 * (f32(input.instanceIndex + 1u) % 2.0) * offset / rendererUBO.viewportSize.y;"," tmpPos2.z = min(1.0, tmpPos2.z + 0.00001);"," pCoord = vec4(tmpPos2.xyz * tmpPos.w, tmpPos.w);","//VTK::Position::Impl"]).result),i=ih.substitute(i,"//VTK::Position::Impl",[" output.Position = pCoord;"]).result,a.setCode(i)},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderNormal=(e,n,r)=>{const o=r.getBuffer("normalMC"),a=t.WebGPUActor.getRenderable();if(o){const e=n.getShaderDescription("vertex");e.hasOutput("normalVC")||e.addOutput("vec3","normalVC",o.getArrayInformation()[0].interpolation),e.hasOutput("tangentVC")||e.addOutput("vec3","tangentVC",o.getArrayInformation()[0].interpolation),e.hasOutput("bitangentVC")||e.addOutput("vec3","bitangentVC",o.getArrayInformation()[0].interpolation);let t=e.getCode();t=ih.substitute(t,"//VTK::Normal::Impl",[" output.normalVC = normalize((rendererUBO.WCVCNormals * mapperUBO.MCWCNormals * normalMC).xyz);"," var c1: vec3 = cross(output.normalVC, vec3(0, 0, 1));"," var c2: vec3 = cross(output.normalVC, vec3(0, 1, 0));"," var tangent: vec3 = mix(c1, c2, distance(c1, c2));"," output.tangentVC = normalize(tangent);"," output.bitangentVC = normalize(cross(output.normalVC, tangent));"]).result,e.setCode(t);const r=n.getShaderDescription("fragment");t=r.getCode(),t=a.getProperty().getNormalTexture()?ih.substitute(t,"//VTK::Normal::Impl",[" var normal: vec3 = input.normalVC;"," if (!input.frontFacing) { normal = -normal; }"," var tangent: vec3 = input.tangentVC;"," var bitangent: vec3 = input.bitangentVC;"," var TCVCMatrix: mat3x3 = mat3x3("," tangent.x, bitangent.x, normal.x,"," tangent.y, bitangent.y, normal.y,"," tangent.z, bitangent.z, normal.z,"," );"," var mappedNormal: vec3 = TCVCMatrix * (_normalMap.xyz * 2 - 1);"," normal = mix(normal, mappedNormal, mapperUBO.NormalStrength);"," normal = normalize(normal);"]).result:ih.substitute(t,"//VTK::Normal::Impl",[" var normal: vec3 = input.normalVC;"," if (!input.frontFacing) { normal = -normal; }"," normal = normalize(normal);"]).result,r.setCode(t)}},t.shaderReplacements.set("replaceShaderNormal",e.replaceShaderNormal),e.replaceShaderLight=(e,n,r)=>{if(e.includes("sel"))return;const o=n.getShaderDescription("vertex");o.hasOutput("vertexVC")||o.addOutput("vec4","vertexVC");const a=t.WebGPURenderer.getRenderable(),i=n.getShaderDescription("fragment");let s=i.getCode();if(!s.includes("var normal:")||!t.useRendererMatrix||ry(e)||t.is2D||e.includes("sel"))s=ih.substitute(s,"//VTK::Light::Impl",[" var diffuse: vec3 = diffuseColor.rgb;"," var specular: vec3 = mapperUBO.SpecularColor.rgb * mapperUBO.SpecularColor.a;"," computedColor = vec4(diffuse * _diffuseMap.rgb, mapperUBO.Opacity);"]).result,i.setCode(s);else{const e=[" var pi: f32 = 3.14159265359;"," var fragPos: vec3 = vec3(input.vertexVC.xyz);"," var V: vec3 = mix(normalize(-fragPos), vec3(0, 0, 1), f32(rendererUBO.cameraParallel)); // View Vector"," var baseColor: vec3 = _diffuseMap.rgb * diffuseColor.rgb;"," var roughness: f32 = max(0.000001, mapperUBO.Roughness * _roughnessMap.r);"," var metallic: f32 = mapperUBO.Metallic * _metallicMap.r;"," var alpha: f32 = roughness*roughness;"," var ior: f32 = mapperUBO.BaseIOR;"," var k: f32 = alpha*alpha / 2;"," var diffuse: vec3 = vec3(0.);"," var specular: vec3 = vec3(0.);"," var emission: vec3 = _emissionMap.rgb * mapperUBO.Emission;"," {"," var i: i32 = 0;"," loop {"," if !(i < rendererUBO.LightCount) { break; }"," switch (i32(rendererLightSSBO.values[i].LightData.x)) {"," // Point Light"," case 0 {"," var color: vec3 = rendererLightSSBO.values[i].LightColor.rgb * rendererLightSSBO.values[i].LightColor.w;"," var pos: vec3 = (rendererLightSSBO.values[i].LightPos).xyz;"," var calculated: PBRData = calcPointLight(normal, V, fragPos, ior, roughness, metallic, pos, color, baseColor);"," diffuse += max(vec3(0), calculated.diffuse);"," specular += max(vec3(0), calculated.specular);"," }"," // Directional light"," case 1 {"," var dir: vec3 = (rendererUBO.WCVCNormals * vec4(normalize(rendererLightSSBO.values[i].LightDir.xyz), 0.)).xyz;"," dir = normalize(dir);"," var color: vec3 = rendererLightSSBO.values[i].LightColor.rgb * rendererLightSSBO.values[i].LightColor.w;"," var calculated: PBRData = calcDirectionalLight(normal, V, ior, roughness, metallic, dir, color, baseColor); // diffuseColor.rgb needs to be fixed with a more dynamic diffuse color"," diffuse += max(vec3(0), calculated.diffuse);"," specular += max(vec3(0), calculated.specular);"," }"," // Spot Light"," case 2 {"," var color: vec3 = rendererLightSSBO.values[i].LightColor.rgb * rendererLightSSBO.values[i].LightColor.w;"," var pos: vec3 = (rendererLightSSBO.values[i].LightPos).xyz;"," var dir: vec3 = (rendererUBO.WCVCNormals * vec4(normalize(rendererLightSSBO.values[i].LightDir.xyz), 0.)).xyz;"," dir = normalize(dir);"," var cones: vec2 = vec2(rendererLightSSBO.values[i].LightData.y, rendererLightSSBO.values[i].LightData.z);"," var calculated: PBRData = calcSpotLight(normal, V, fragPos, ior, roughness, metallic, pos, dir, cones, color, baseColor);"," diffuse += max(vec3(0), calculated.diffuse);"," specular += max(vec3(0), calculated.specular);"," }"," default { continue; }"," }"," continuing { i++; }"," }"," }"," var fresnel: f32 = schlickFresnelIOR(V, normal, ior, k); // Fresnel"," fresnel = min(1, fresnel);"," // This could be controlled with its own variable (that isnt base color) for better artistic control"," var fresnelMetallic: vec3 = schlickFresnelRGB(V, normal, baseColor); // Fresnel for metal, takes color into account"," var kS: vec3 = mix(vec3(fresnel), fresnelMetallic, metallic);"," kS = min(vec3(1), kS);"," var kD: vec3 = (1.0 - kS) * (1.0 - metallic);"," var PBR: vec3 = mapperUBO.DiffuseIntensity*kD*diffuse + kS*specular;"," PBR += emission;"," computedColor = vec4(PBR, mapperUBO.Opacity);"];a.getEnvironmentTexture()?.getImageLoaded()&&e.push(" // To get diffuse IBL, the texture is sampled with normals in worldspace"," var diffuseIBLCoords: vec3 = (transpose(rendererUBO.WCVCNormals) * vec4(normal, 1.)).xyz;"," var diffuseCoords: vec2 = vecToRectCoord(diffuseIBLCoords);"," // To get specular IBL, the texture is sampled as the worldspace reflection between the normal and view vectors"," // Reflections are first calculated in viewspace, then converted to worldspace to sample the environment"," var VreflN: vec3 = normalize(reflect(-V, normal));"," var reflectionIBLCoords = (transpose(rendererUBO.WCVCNormals) * vec4(VreflN, 1.)).xyz;"," var specularCoords: vec2 = vecToRectCoord(reflectionIBLCoords);"," var diffuseIBL = textureSampleLevel(EnvironmentTexture, EnvironmentTextureSampler, diffuseCoords, rendererUBO.MaxEnvironmentMipLevel);"," var level = roughness * rendererUBO.MaxEnvironmentMipLevel;"," var specularIBL = textureSampleLevel(EnvironmentTexture, EnvironmentTextureSampler, specularCoords, level);"," var specularIBLContribution: vec3 = specularIBL.rgb*rendererUBO.BackgroundSpecularStrength;"," computedColor += vec4(specularIBLContribution*kS, 0);"," var diffuseIBLContribution: vec3 = diffuseIBL.rgb*rendererUBO.BackgroundDiffuseStrength;"," diffuseIBLContribution *= baseColor * _ambientOcclusionMap.rgb;"," computedColor += vec4(diffuseIBLContribution*kD, 0);"),s=ih.substitute(s,"//VTK::Light::Impl",e).result,i.setCode(s)}},t.shaderReplacements.set("replaceShaderLight",e.replaceShaderLight),e.replaceShaderColor=(e,t,n)=>{if(ry(e)){const e=t.getShaderDescription("fragment");let n=e.getCode();return n=ih.substitute(n,"//VTK::Color::Impl",["ambientColor = mapperUBO.EdgeColor;","diffuseColor = mapperUBO.EdgeColor;"]).result,void e.setCode(n)}const r=n.getBuffer("colorVI");if(!r)return;const o=t.getShaderDescription("vertex");o.addOutput("vec4","color",r.getArrayInformation()[0].interpolation);let a=o.getCode();a=ih.substitute(a,"//VTK::Color::Impl",[" output.color = colorVI;"]).result,o.setCode(a);const i=t.getShaderDescription("fragment");a=i.getCode(),a=ih.substitute(a,"//VTK::Color::Impl",["ambientColor = input.color;","diffuseColor = input.color;","opacity = mapperUBO.Opacity * input.color.a;"]).result,i.setCode(a)},t.shaderReplacements.set("replaceShaderColor",e.replaceShaderColor),e.replaceShaderTCoord=(e,n,r)=>{if(!r.hasAttribute("tcoord"))return;const o=n.getShaderDescription("vertex"),a=r.getBuffer("tcoord"),i=yh(a.getArrayInformation()[0].format);let s=o.getCode();o.addOutput(`vec${i}`,"tcoordVS"),s=ih.substitute(s,"//VTK::TCoord::Impl",[" output.tcoordVS = tcoord;"]).result,o.setCode(s);const l=n.getShaderDescription("fragment");s=l.getCode();const c=t.WebGPUActor.getRenderable(),u=e=>!!e&&e.getDimensionality()===i,d=[];(c.getProperty().getDiffuseTexture?.()?.getImageLoaded()||c.getTextures()[0]||t.colorTexture)&&(u(c.getProperty().getDiffuseTexture?.())||u(c.getTextures()[0])||u(t.colorTexture))&&d.push("_diffuseMap = textureSample(DiffuseTexture, DiffuseTextureSampler, input.tcoordVS);"),c.getProperty().getRoughnessTexture?.()?.getImageLoaded()&&u(c.getProperty().getRoughnessTexture())&&d.push("_roughnessMap = textureSample(RoughnessTexture, RoughnessTextureSampler, input.tcoordVS);"),c.getProperty().getMetallicTexture?.()?.getImageLoaded()&&u(c.getProperty().getMetallicTexture())&&d.push("_metallicMap = textureSample(MetallicTexture, MetallicTextureSampler, input.tcoordVS);"),c.getProperty().getNormalTexture?.()?.getImageLoaded()&&u(c.getProperty().getNormalTexture())&&d.push("_normalMap = textureSample(NormalTexture, NormalTextureSampler, input.tcoordVS);"),c.getProperty().getAmbientOcclusionTexture?.()?.getImageLoaded()&&u(c.getProperty().getAmbientOcclusionTexture())&&d.push("_ambientOcclusionMap = textureSample(AmbientOcclusionTexture, AmbientOcclusionTextureSampler, input.tcoordVS);"),c.getProperty().getEmissionTexture?.()?.getImageLoaded()&&u(c.getProperty().getEmissionTexture())&&d.push("_emissionMap = textureSample(EmissionTexture, EmissionTextureSampler, input.tcoordVS);"),s=ih.substitute(s,"//VTK::TCoord::Impl",d).result,l.setCode(s)},t.shaderReplacements.set("replaceShaderTCoord",e.replaceShaderTCoord),e.replaceShaderSelect=(e,t,n)=>{if(e.includes("sel")){const e=t.getShaderDescription("fragment");let n=e.getCode();n=ih.substitute(n,"//VTK::Select::Impl",[" var compositeID: u32 = 0u;"]).result,e.setCode(n)}},t.shaderReplacements.set("replaceShaderSelect",e.replaceShaderSelect),e.getUsage=(e,t)=>e===Zv.POINTS||t===Yv.Points?Xv.Verts:t===Yv.Lines?Xv.Lines:e===Zv.WIREFRAME?t===Yv.Triangles?Xv.LinesFromTriangles:Xv.LinesFromStrips:t===Yv.Triangles?Xv.Triangles:t===Yv.TriangleStrips?Xv.Strips:t===Yv.TriangleEdges?Xv.LinesFromTriangles:Xv.LinesFromStrips,e.getHashFromUsage=e=>`pt${e}`,e.getTopologyFromUsage=e=>{switch(e){case Xv.Triangles:return"triangle-list";case Xv.Verts:return"point-list";case Xv.Lines:default:return"line-list"}},e.buildVertexInput=()=>{const n=t.currentInput,r=t.cellArray,o=t.primitiveType;let a=t.WebGPUActor.getRenderable().getProperty().getRepresentation();const i=t.WebGPURenderWindow.getDevice();let s=!1;o===Yv.TriangleEdges&&(s=!0,a=Zv.WIREFRAME);const l=t.vertexInput,c=n.getPoints();let u;if(r){const e={hash:`R${a}P${o}${r.getMTime()}`,usage:Xv.Index,cells:r,numberOfPoints:c.getNumberOfPoints(),primitiveType:o,representation:a};u=i.getBufferManager().getBuffer(e),l.setIndexBuffer(u)}else l.setIndexBuffer(null);if(c){const e=t.WebGPUActor.getBufferShift(t.WebGPURenderer),n={hash:`${c.getMTime()}I${u.getMTime()}${e.join()}float32x4`,usage:Xv.PointArray,format:"float32x4",dataArray:c,indexBuffer:u,shift:e,packExtra:!0},r=i.getBufferManager().getBuffer(n);l.addBuffer(r,["vertexBC"])}else l.removeBufferIfPresent("vertexBC");const d=e.getUsage(a,o);if(t._usesCellNormals=!1,t.is2D||d!==Xv.Triangles&&d!==Xv.Strips)l.removeBufferIfPresent("normalMC");else{const e=n.getPointData().getNormals(),a={format:"snorm8x4",indexBuffer:u,packExtra:!0,shift:0,scale:127};if(e){a.hash=`${e.getMTime()}I${u.getMTime()}snorm8x4`,a.dataArray=e,a.usage=Xv.PointArray;const t=i.getBufferManager().getBuffer(a);l.addBuffer(t,["normalMC"])}else if(o===Yv.Triangles){t._usesCellNormals=!0,a.hash=`PFN${c.getMTime()}I${u.getMTime()}snorm8x4`,a.dataArray=c,a.cells=r,a.usage=Xv.NormalsFromPoints;const e=i.getBufferManager().getBuffer(a);l.addBuffer(e,["normalMC"])}else l.removeBufferIfPresent("normalMC")}let p=!1;if(t.renderable.getScalarVisibility()){const e=t.renderable.getColorMapColors();if(e&&!s){const r=t.renderable.getScalarMode();let o=!1;r!==Qv.USE_CELL_DATA&&r!==Qv.USE_CELL_FIELD_DATA&&r!==Qv.USE_FIELD_DATA&&n.getPointData().getScalars()||r===Qv.USE_POINT_FIELD_DATA||!e||(o=!0);const a={usage:Xv.PointArray,format:"unorm8x4",hash:`${o}${e.getMTime()}I${u.getMTime()}unorm8x4`,dataArray:e,indexBuffer:u,cellData:o,cellOffset:0},s=i.getBufferManager().getBuffer(a);l.addBuffer(s,["colorVI"]),p=!0}}p||l.removeBufferIfPresent("colorVI");let f=null;if(f=t.renderable.getInterpolateScalarsBeforeMapping?.()&&t.renderable.getColorCoordinates()?t.renderable.getColorCoordinates():n.getPointData().getTCoords(),f&&!s){const e=i.getBufferManager().getBufferForPointArray(f,l.getIndexBuffer());l.addBuffer(e,["tcoord"])}else l.removeBufferIfPresent("tcoord")},e.updateTextures=()=>{const e=[],n=[],r=t.renderable.getColorTextureMap?.();r&&(t.colorTexture||(t.colorTexture=Ru.newInstance({label:"polyDataColor"})),t.colorTexture.setInputData(r),n.push(["Diffuse",t.colorTexture]));const o=t.WebGPUActor.getRenderable(),a=t.WebGPURenderer.getRenderable(),i=[];if(o.getProperty().getDiffuseTexture?.()){const e=["Diffuse",o.getProperty().getDiffuseTexture()];i.push(e)}if(o.getTextures()[0]){const e=["Diffuse",o.getTextures()[0]];i.push(e)}if(t.colorTexture){const e=["Diffuse",t.colorTexture];i.push(e)}if(o.getProperty().getRoughnessTexture?.()){const e=["Roughness",o.getProperty().getRoughnessTexture()];i.push(e)}if(o.getProperty().getMetallicTexture?.()){const e=["Metallic",o.getProperty().getMetallicTexture()];i.push(e)}if(o.getProperty().getNormalTexture?.()){const e=["Normal",o.getProperty().getNormalTexture()];i.push(e)}if(o.getProperty().getAmbientOcclusionTexture?.()){const e=["AmbientOcclusion",o.getProperty().getAmbientOcclusionTexture()];i.push(e)}if(o.getProperty().getEmissionTexture?.()){const e=["Emission",o.getProperty().getEmissionTexture()];i.push(e)}if(a.getEnvironmentTexture?.()){const e=["Environment",a.getEnvironmentTexture()];i.push(e)}for(let e=0;e=0;n--)e[n]||(t.textures.splice(n,1),t.textureViews.splice(n,1))},e.computePipelineHash=()=>{let n=`pd${t.useRendererMatrix?"r":""}${t.forceZValue?"z":""}`;if(t.primitiveType===Yv.TriangleEdges||t.primitiveType===Yv.TriangleStripEdges)n+="edge";else{if(t.vertexInput.hasAttribute("normalMC")&&(n+="n"),t.vertexInput.hasAttribute("colorVI")&&(n+="c"),t.vertexInput.hasAttribute("tcoord")){const e=t.vertexInput.getBuffer("tcoord");n+=`t${yh(e.getArrayInformation()[0].format)}`}t.textures.length&&(n+=`tx${t.textures.length}`)}t._usesCellNormals&&(n+="cn"),t.SSBO&&(n+="ssbo"),n+=e.getHashFromUsage(t.usage),n+=t.renderEncoder.getPipelineHash(),t.pipelineHash=n},e.updateBuffers=()=>{t.primitiveType!==Yv.TriangleEdges&&t.primitiveType!==Yv.TriangleStripEdges&&e.updateTextures();const n=t.WebGPUActor.getRenderable(),r=n.getProperty().getRepresentation();t.usage=e.getUsage(r,t.primitiveType),e.buildVertexInput();const o=t.vertexInput.getBuffer("vertexBC");if(e.setNumberOfVertices(o.getSizeInBytes()/o.getStrideInBytes()),e.setTopology(e.getTopologyFromUsage(t.usage)),e.updateUBO(),e.haveWideLines()){const t=n.getProperty();e.setNumberOfInstances(Math.ceil(2*t.getLineWidth()))}else e.setNumberOfInstances(1)}}const ay={is2D:!1,cellArray:null,currentInput:null,cellOffset:0,primitiveType:0,colorTexture:null,renderEncoder:null,textures:null};function iy(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ay,n),Dh.extend(e,t,n),t.fragmentShaderTemplate=ny,t.vertexShaderTemplate=ty,t._tmpMat3=pe(new Float64Array(9)),t._tmpMat4=g(new Float64Array(16)),t.UBO=Pv.newInstance({label:"mapperUBO"}),t.UBO.addEntry("BCWCMatrix","mat4x4"),t.UBO.addEntry("BCSCMatrix","mat4x4"),t.UBO.addEntry("MCWCNormals","mat4x4"),t.UBO.addEntry("AmbientColor","vec4"),t.UBO.addEntry("DiffuseColor","vec4"),t.UBO.addEntry("EdgeColor","vec4"),t.UBO.addEntry("SpecularColor","vec4"),t.UBO.addEntry("AmbientIntensity","f32"),t.UBO.addEntry("DiffuseIntensity","f32"),t.UBO.addEntry("Roughness","f32"),t.UBO.addEntry("Metallic","f32"),t.UBO.addEntry("Ambient","f32"),t.UBO.addEntry("Normal","f32"),t.UBO.addEntry("Emission","f32"),t.UBO.addEntry("NormalStrength","f32"),t.UBO.addEntry("BaseIOR","f32"),t.UBO.addEntry("SpecularIntensity","f32"),t.UBO.addEntry("LineWidth","f32"),t.UBO.addEntry("Opacity","f32"),t.UBO.addEntry("ZValue","f32"),t.UBO.addEntry("PropID","u32"),t.UBO.addEntry("ClipNear","f32"),t.UBO.addEntry("ClipFar","f32"),t.UBO.addEntry("Time","u32"),At(e,t,["cellArray","currentInput","cellOffset","is2D","primitiveType","renderEncoder"]),t.textures=[],oy(e,t)}var sy={newInstance:Et(iy,"vtkWebGPUCellArrayMapper"),extend:iy};const{PrimitiveTypes:ly}=fv;function cy(e,t){t.classHierarchy.push("vtkWebGPUPolyDataMapper"),e.createCellArrayMapper=()=>sy.newInstance(),e.buildPass=n=>{if(n){t.WebGPUActor=e.getFirstAncestorOfType("vtkWebGPUActor"),t.renderable.getStatic()||t.renderable.update();const n=t.renderable.getInputData();t.renderable.mapScalars(n,1),e.updateCellArrayMappers(n)}},e.updateCellArrayMappers=n=>{const r=[n.getVerts(),n.getLines(),n.getPolys(),n.getStrips()],o=[];let a=0;for(let i=ly.Points;i<=ly.Triangles;i++)if(r[i].getNumberOfValues()>0){t.primitives[i]||(t.primitives[i]=e.createCellArrayMapper());const s=t.primitives[i];s.setCellArray(r[i]),s.setCurrentInput(n),s.setCellOffset(a),s.setPrimitiveType(i),s.setRenderable(t.renderable),a+=r[i].getNumberOfCells(),o.push(s)}else t.primitives[i]=null;if(t.WebGPUActor.getRenderable().getProperty().getEdgeVisibility())for(let a=ly.TriangleEdges;a<=ly.TriangleStripEdges;a++)if(r[a-2].getNumberOfValues()>0){t.primitives[a]||(t.primitives[a]=e.createCellArrayMapper());const i=t.primitives[a];i.setCellArray(r[a-2]),i.setCurrentInput(n),i.setCellOffset(t.primitives[a-2].getCellOffset()),i.setPrimitiveType(a),i.setRenderable(t.renderable),o.push(i)}else t.primitives[a]=null;e.prepareNodes(),e.addMissingChildren(o),e.removeUnusedNodes()}}const uy={primitives:null};function dy(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uy,n),Zt.extend(e,t,n),t.primitives=[],cy(e,t)}const py=Et(dy,"vtkWebGPUPolyDataMapper");var fy={newInstance:py,extend:dy};Um("vtkMapper",py);const{PrimitiveTypes:gy}=fv;function my(e,t){t.classHierarchy.push("vtkWebGPUPolyDataMapper2D"),e.createCellArrayMapper=()=>sy.newInstance(),e.buildPass=n=>{if(n){t.WebGPUActor=e.getFirstAncestorOfType("vtkWebGPUActor2D"),t.renderable.getStatic()||t.renderable.update();const n=t.renderable.getInputData();t.renderable.mapScalars(n,1),e.updateCellArrayMappers(n)}},e.updateCellArrayMappers=n=>{const r=[n.getVerts(),n.getLines(),n.getPolys(),n.getStrips()],o=[];let a=0;for(let i=gy.Points;i<=gy.Triangles;i++)if(r[i].getNumberOfValues()>0){t.primitives[i]||(t.primitives[i]=e.createCellArrayMapper());const s=t.primitives[i];s.setCellArray(r[i]),s.setCurrentInput(n),s.setCellOffset(a),s.setPrimitiveType(i),s.setRenderable(t.renderable),s.setIs2D(!0),a+=r[i].getNumberOfCells(),o.push(s)}else t.primitives[i]=null;e.prepareNodes(),e.addMissingChildren(o),e.removeUnusedNodes()}}function hy(e){return{primitives:[],...e}}const vy=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,hy(n)),Zt.extend(e,t,n),t.primitives=[],my(e,t)}),"vtkWebGPUPolyDataMapper2D");function yy(e,t){t.classHierarchy.push("vtkWebGPUScalarBarActor"),e.buildPass=n=>{n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent(),t.scalarBarActorHelper.getRenderable()||t.scalarBarActorHelper.setRenderable(t.renderable),e.prepareNodes(),e.addMissingNode(t.scalarBarActorHelper.getBarActor()),e.addMissingNode(t.scalarBarActorHelper.getTmActor()),e.removeUnusedNodes())},e.opaquePass=(e,n)=>{if(e){const e=t.WebGPURenderer?t.WebGPURenderer.getRenderable().getActiveCamera():null,n=t.WebGPURenderer.getTiledSizeAndOrigin();t.scalarBarActorHelper.updateAPISpecificData([n.usize,n.vsize],e,t.WebGPURenderWindow.getRenderable())}}}Um("vtkMapper2D",vy);const by={};const xy=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,by,n),Zt.extend(e,t,n),t.scalarBarActorHelper=Gp.newScalarBarActorHelper(),yy(e,t)}),"vtkWebGPUScalarBarActor");function 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Oy={newInstance:jt.newInstance(wy),extend:wy};const{BufferUsage:My}=fv;function Ry(e,t){t.classHierarchy.push("vtkWebGPUTexture"),e.create=(e,n)=>{t.device=e,t.width=n.width,t.height=n.height,t.depth=n.depth?n.depth:1;const r=1===t.depth?"2d":"3d";t.format=n.format?n.format:"rgba8unorm",t.mipLevel=n.mipLevel?n.mipLevel:0,t.usage=n.usage?n.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST,t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label,dimension:r,mipLevelCount:t.mipLevel+1})},e.assignFromHandle=(e,n,r)=>{t.device=e,t.handle=n,t.width=r.width,t.height=r.height,t.depth=r.depth?r.depth:1,t.format=r.format?r.format:"rgba8unorm",t.usage=r.usage?r.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST},e.writeImageData=n=>{let r=[];if(n.canvas)return 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e.setSSBO(t.SSBO),e.setRenderable(t.renderable),e},e.buildPass=n=>{if(n){t.WebGPUActor=e.getFirstAncestorOfType("vtkWebGPUActor"),t.renderable.getStatic()||t.renderable.update();const n=t.renderable.getInputData(1);t.renderable.mapScalars(n,1),e.updateSSBO(),e.updateCellArrayMappers(n);for(let e=0;e{t.currentInput=t.renderable.getInputData(1),t.renderable.buildArrays();const n=t.renderable.getMatrixArray(),r=t.renderable.getNormalArray();if(t.carray=t.renderable.getColorArray(),t.numInstances=n.length/16,t.renderable.getBuildTime().getMTime()>t.glyphBOBuildTime.getMTime()){t.WebGPURenderWindow=e.getFirstAncestorOfType("vtkWebGPURenderWindow");const o=t.WebGPURenderWindow.getDevice();t.SSBO.clearData(),t.SSBO.setNumberOfInstances(t.numInstances),t.SSBO.addEntry("matrix","mat4x4"),t.SSBO.addEntry("normal","mat4x4"),t.carray&&t.SSBO.addEntry("color","vec4"),t.SSBO.setAllInstancesFromArray("matrix",n),t.SSBO.setAllInstancesFromArray3x3To4x4("normal",r),t.carray&&t.SSBO.setAllInstancesFromArrayColorToFloat("color",t.carray.getData()),t.SSBO.send(o),t.glyphBOBuildTime.modified()}}}const ky={};const Fy=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ky,n),fy.extend(e,t,n),t.glyphBOBuildTime={},yt(t.glyphBOBuildTime,{mtime:0}),t.SSBO=bv.newInstance({label:"glyphSSBO"}),Ny(e,t)}),"vtkWebGPUGlyph3DMapper");Um("vtkGlyph3DMapper",Fy);const{SlicingMode:_y}=bg,Gy="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Image::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var 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n=t.WebGPURenderer.getRenderable();t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(n.getActiveCamera())}},e.translucentPass=t=>{t&&e.render()},e.opaquePass=t=>{t&&e.render()},e.render=()=>{t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.prepareToDraw(t.WebGPURenderer.getRenderEncoder()),t.renderEncoder.registerDrawCallback(t.pipeline,e.draw)},e.computePipelineHash=()=>{const e=t.currentInput.getExtent();e[0]===e[1]||e[2]===e[3]||e[4]===e[5]?(t.dimensions=2,t.pipelineHash="img2"):(t.dimensions=3,t.pipelineHash="img3")},e.updateUBO=()=>{const n=t.UBO.getSendTime(),r=t.WebGPUImageSlice.getRenderable(),o=r.getMapper();if(e.getMTime()>n||t.renderable.getMTime()>n||r.getProperty().getMTime()>n){const e=o.getInputData(),n=t.WebGPURenderer.getStabilizedCenterByReference();g(Uy),x(Uy,Uy,n);const a=r.getMatrix();m(Wy,a),h(Wy,Wy),b(Uy,Wy,Uy);const i=e.getWorldToIndex();b(Uy,i,Uy),h(zy,Uy),I(Wy,[.5,.5,.5]),b(Uy,Wy,Uy);const s=e.getDimensions();g(Wy),T(Wy,Wy,[1/s[0],1/s[1],1/s[2]]),b(Uy,Wy,Uy),t.UBO.setArray("SCTCMatrix",Uy);const l=t.currentInput.getExtent(),{ijkMode:c}=t.renderable.getClosestIJKAxis();let u=t.renderable.getSlice();c!==t.renderable.getSlicingMode()&&(u=t.renderable.getSliceAtPosition(u));let d=2,p=0,f=1;c===_y.I?(d=0,p=1,f=2):c===_y.J&&(d=1,p=2,f=0),Hy[d]=u,Hy[p]=l[2*p]-.5,Hy[f]=l[2*f]-.5,Hy[3]=1,zi(Hy,Hy,zy),t.UBO.setArray("Origin",Hy),jy[d]=u,jy[p]=l[2*p+1]+.5,jy[f]=l[2*f]-.5,jy[3]=1,zi(jy,jy,zy),Wi(jy,jy,Hy),jy[3]=1,t.UBO.setArray("Axis1",jy),jy[d]=u,jy[p]=l[2*p]-.5,jy[f]=l[2*f+1]+.5,jy[3]=1,zi(jy,jy,zy),Wi(jy,jy,Hy),jy[3]=1,t.UBO.setArray("Axis2",jy);const v=[1,1,1,1],y=[0,0,0,0],C=t.textureViews[0],S=C.getTexture().getScale(),A=C.getTexture().getNumberOfComponents();for(let e=0;e{const n=t.WebGPUImageSlice.getRenderable().getProperty();e.getTextureViews()[0].getTexture().getNumberOfComponents();const r=function(e,t,n){if(t.apply(e)){const t=e.getIndependentComponents();return`${e.getMTime()}-${t}-1`}return"0"}(n,n.getRGBTransferFunction);if(t.colorTextureString!==r){t.numRows=1;const e=new Uint8Array(2*t.numRows*t.rowLength*4);let o=n.getRGBTransferFunction();if(o){const r=new Float32Array(3*t.rowLength);for(let a=0;a<1;a++){o=n.getRGBTransferFunction(a);const i=o.getRange();o.getTable(i[0],i[1],t.rowLength,r,1);for(let n=0;n{n();const r=t.device.getTextureManager().getTextureForImageData(t.currentInput),o=t.textureViews;if(!o[0]||o[0].getTexture()!==r){const e=r.createView("imgTexture");o[0]=e}e.updateLUTImage(),e.updateUBO();const a=t.WebGPUImageSlice.getRenderable().getProperty().getInterpolationType()===dg.NEAREST?"nearest":"linear";t.clampSampler&&a===t.clampSampler.getOptions().minFilter||(t.clampSampler=Ay.newInstance({label:"clampSampler"}),t.clampSampler.create(t.device,{minFilter:a,magFilter:a}),t.additionalBindables=[t.clampSampler])};const r=e.getShaderReplacements();e.replaceShaderPosition=(e,n,r)=>{const o=n.getShaderDescription("vertex");o.addBuiltinOutput("vec4","@builtin(position) Position");let a=o.getCode();const i=["var pos: vec4 = mapperUBO.Origin +"," (vertexBC.x * 0.5 + 0.5) * mapperUBO.Axis1 + (vertexBC.y * 0.5 + 0.5) * mapperUBO.Axis2;","pos.w = 1.0;"];2===t.dimensions?i.push("var tcoord : vec2 = (mapperUBO.SCTCMatrix * pos).xy;"):i.push("var tcoord : vec3 = (mapperUBO.SCTCMatrix * pos).xyz;"),i.push("output.tcoordVS = tcoord;","output.Position = rendererUBO.SCPCMatrix * pos;"),a=ih.substitute(a,"//VTK::Position::Impl",i).result,o.setCode(a)},r.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderTCoord=(e,n,r)=>{const o=n.getShaderDescription("vertex");2===t.dimensions?o.addOutput("vec2","tcoordVS"):o.addOutput("vec3","tcoordVS")},r.set("replaceShaderTCoord",e.replaceShaderTCoord),e.replaceShaderImage=(e,n,r)=>{const o=n.getShaderDescription("fragment");let a=o.getCode();t.dimensions,a=ih.substitute(a,"//VTK::Image::Sample",[" var computedColor: vec4 ="," 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Float64Array(16)),t.VBOBuildTime={},yt(t.VBOBuildTime),Ky(e,t)}),"vtkWebGPUImageMapper");function Xy(e,t){t.classHierarchy.push("vtkWebGPUImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes()}},e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t.WebGPURenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t.WebGPURenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.getBufferShift=n=>(e.getKeyMatrices(n),t.bufferShift),e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix(),r=e.getStabilizedCenterByReference();t.bufferShift[0]=n[3]-r[0],t.bufferShift[1]=n[7]-r[1],t.bufferShift[2]=n[11]-r[2],m(t.keyMatrices.bcwc,n),t.renderable.getIsIdentity()?g(t.keyMatrices.normalMatrix):(d(t.keyMatrices.normalMatrix,t.keyMatrices.bcwc),t.keyMatrices.normalMatrix[3]=0,t.keyMatrices.normalMatrix[7]=0,t.keyMatrices.normalMatrix[11]=0,h(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix),m(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix)),x(t.keyMatrices.bcwc,t.keyMatrices.bcwc,[-t.bufferShift[0],-t.bufferShift[1],-t.bufferShift[2]]),x(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]),t.keyMatricesTime.modified()}return t.keyMatrices}}Um("vtkImageMapper",qy);const Yy={bufferShift:void 0,keyMatrixTime:null,keyMatrices:null,propID:void 0};const Zy=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Yy,n),Zt.extend(e,t,n),t.keyMatricesTime={},yt(t.keyMatricesTime,{mtime:0}),t.keyMatrices={normalMatrix:new Float64Array(16),bcwc:new Float64Array(16),bcsc:new Float64Array(16)},t.keyMatrixTime={},yt(t.keyMatrixTime,{mtime:0}),t.keyMatrices={mcwc:g(new Float64Array(16))},t.bufferShift=[0,0,0,0],xt(e,t,["propID","keyMatricesTime"]),Xy(e,t)}),"vtkWebGPUImageSlice");function Qy(e,t){t.classHierarchy.push("vtkWebGPUVolume"),e.buildPass=n=>{t.renderable&&t.renderable.getVisibility()&&n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),t.renderable.getMapper().update())},e.queryPass=(n,r)=>{if(n){if(!t.renderable||!t.renderable.getVisibility())return;const n=t.renderable.getMapper().getBounds();if(!n||6!==n.length||n[0]>n[1])return;r.addVolume(e)}};const n=new Float64Array(3),r=new Float64Array(3);e.getBoundingCubePoints=(e,o)=>{const a=t.renderable.getMapper().getInputData();if(!a)return;const i=a.getExtent(),s=t.renderable.getMatrix();let l=0;for(let t=4;t<6;t++){n[2]=i[t];for(let t=2;t<4;t++){n[1]=i[t];for(let t=0;t<2;t++){n[0]=i[t],a.indexToWorld(n,r);let c=o+3*l;e[c++]=s[0]*r[0]+s[1]*r[1]+s[2]*r[2]+s[3],e[c++]=s[4]*r[0]+s[5]*r[1]+s[6]*r[2]+s[7],e[c++]=s[8]*r[0]+s[9]*r[1]+s[10]*r[2]+s[11],l++}}}},e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix(),r=e.getStabilizedCenterByReference();m(t.keyMatrices.bcwc,n),x(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]),t.keyMatricesTime.modified()}return t.keyMatrices}}Um("vtkImageSlice",Zy);const Jy={propID:void 0,keyMatricesTime:null};const eb=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Jy,n),Zt.extend(e,t,n),t.keyMatricesTime={},jt.obj(t.keyMatricesTime,{mtime:0}),t.keyMatrices={bcwc:new Float64Array(16),bcsc:new Float64Array(16)},jt.get(e,t,["propID","keyMatricesTime"]),Qy(e,t)}),"vtkWebGPUVolume");function tb(e,t){t.classHierarchy.push("vtkWebGPUPixelSpaceCallbackMapper"),e.opaquePass=(n,r)=>{t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent();const o=t.WebGPURenderer.getAspectRatio(),a=t.WebGPURenderer?t.WebGPURenderer.getRenderable().getActiveCamera():null,i=t.WebGPURenderer.getTiledSizeAndOrigin();t.renderable.getUseZValues(),t.renderable.invokeCallback(t.renderable.getInputData(),a,o,i,null)}}Um("vtkVolume",eb);const nb={};const rb=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,nb,n),Zt.extend(e,t,n),tb(e,t)}),"vtkWebGPUPixelSpaceCallbackMapper");Um("vtkPixelSpaceCallbackMapper",rb);const{BufferUsage:ob}=fv,{vtkErrorMacro:ab}=Kt,ib="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::Color::Dec\n\n//VTK::IOStructs::Dec\n\n@vertex\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output : vertexOutput;\n\n var vertexVC: vec4 = rendererUBO.SCVCMatrix * mapperUBO.BCSCMatrix * vec4(vertexBC.xyz, 1.0);\n\n //VTK::Color::Impl\n\n // compute the projected vertex position\n output.centerVC = vertexVC.xyz;\n output.radiusVC = length(offsetMC)*0.5;\n\n // make the triangle face the camera\n if (rendererUBO.cameraParallel == 0u)\n {\n var dir: vec3 = normalize(-vertexVC.xyz);\n var base2: vec3 = normalize(cross(dir,vec3(1.0,0.0,0.0)));\n var base1: vec3 = cross(base2,dir);\n dir = vertexVC.xyz + offsetMC.x*base1 + offsetMC.y*base2;\n vertexVC = vec4(dir, 1.0);\n }\n else\n {\n // add in the offset\n var tmp2: vec2 = vertexVC.xy + offsetMC;\n vertexVC = vec4(tmp2, vertexVC.zw);\n }\n\n output.vertexVC = vec4(vertexVC.xyz, 0.0);\n\n //VTK::Position::Impl\n\n return output;\n}\n";function sb(e,t){t.classHierarchy.push("vtkWebGPUSphereMapper");const n=e.buildPass;e.buildPass=r=>{if(r){t.renderable.getStatic()||t.renderable.update();const n=t.renderable.getInputData();e.setCellArray(n.getVerts()),e.setCurrentInput(n)}n(r)},e.replaceShaderNormal=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.hasOutput("vertexVC")||r.addOutput("vec4","vertexVC"),r.addOutput("vec3","centerVC"),r.addOutput("f32","radiusVC");const o=t.getShaderDescription("fragment");o.addBuiltinOutput("f32","@builtin(frag_depth) fragDepth");let a=o.getCode();a=ih.substitute(a,"//VTK::Normal::Impl",["\n // compute the eye position and unit direction\n var vertexVC: vec4;\n var EyePos: vec3;\n var EyeDir: vec3;\n var invertedDepth: f32 = 1.0;\n if (rendererUBO.cameraParallel != 0u) {\n EyePos = vec3(input.vertexVC.x, input.vertexVC.y, input.vertexVC.z + 3.0*input.radiusVC);\n EyeDir = vec3(0.0, 0.0, -1.0);\n }\n else {\n EyeDir = input.vertexVC.xyz;\n EyePos = vec3(0.0,0.0,0.0);\n var lengthED: f32 = length(EyeDir);\n EyeDir = normalize(EyeDir);\n // we adjust the EyePos to be closer if it is too far away\n // to prevent floating point precision noise\n if (lengthED > input.radiusVC*3.0) {\n EyePos = input.vertexVC.xyz - EyeDir*3.0*input.radiusVC;\n }\n }\n\n // translate to Sphere center\n EyePos = EyePos - input.centerVC;\n // scale to radius 1.0\n EyePos = EyePos * (1.0 / input.radiusVC);\n // find the intersection\n var b: f32 = 2.0*dot(EyePos,EyeDir);\n var c: f32 = dot(EyePos,EyePos) - 1.0;\n var d: f32 = b*b - 4.0*c;\n var normal: vec3 = vec3(0.0,0.0,1.0);\n if (d < 0.0) { discard; }\n else {\n var t: f32 = (-b - invertedDepth*sqrt(d))*0.5;\n\n // compute the normal, for unit sphere this is just\n // the intersection point\n normal = invertedDepth*normalize(EyePos + t*EyeDir);\n // compute the intersection point in VC\n vertexVC = vec4(normal * input.radiusVC + input.centerVC, 1.0);\n }\n // compute the pixel's depth\n var pos: vec4 = rendererUBO.VCPCMatrix * vertexVC;\n output.fragDepth = pos.z / pos.w;\n "]).result,o.setCode(a)},e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position");let o=r.getCode();o=ih.substitute(o,"//VTK::Position::Impl",[" output.Position = rendererUBO.VCPCMatrix*vertexVC;"]).result,r.setCode(o)},e.computePipelineHash=()=>{t.pipelineHash="spm",t.vertexInput.hasAttribute("colorVI")&&(t.pipelineHash+="c"),t.pipelineHash+=t.renderEncoder.getPipelineHash()},e.updateBuffers=()=>{const n=t.currentInput;t.renderable.mapScalars(n,1);const r=n.getPoints(),o=r.getNumberOfPoints(),a=r.getData();e.setNumberOfInstances(1),e.setNumberOfVertices(3*o);const i=t.vertexInput;let s=`spm${r.getMTime()}float32x3`;if(!t.device.getBufferManager().hasBuffer(s)){const e={hash:s,usage:ob.RawVertex,format:"float32x3"},n=new Float32Array(3*o*3);let r=0,l=0;for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,lb,n),sy.extend(e,t,n),e.setVertexShaderTemplate(ib),sb(e,t);const r=t.shaderReplacements;r.set("replaceShaderPosition",e.replaceShaderPosition),r.set("replaceShaderNormal",e.replaceShaderNormal)}),"vtkWebGPUSphereMapper");Um("vtkSphereMapper",cb);const{BufferUsage:ub}=fv,{vtkErrorMacro:db}=Kt,pb="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::Color::Dec\n\n//VTK::IOStructs::Dec\n\n@vertex\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var offsetsArray: array, 12> = array, 12>(\n vec3(-1.0, -1.0, -1.0),\n vec3(1.0, -1.0, -1.0),\n vec3(1.0, -1.0, 1.0),\n\n vec3(-1.0, -1.0, -1.0),\n vec3(1.0, -1.0, 1.0),\n vec3(-1.0, -1.0, 1.0),\n\n vec3(-1.0, -1.0, 1.0),\n vec3(1.0, -1.0, 1.0),\n vec3(1.0, 1.0, 1.0),\n\n vec3(-1.0, -1.0, 1.0),\n vec3(1.0, 1.0, 1.0),\n vec3(-1.0, 1.0, 1.0)\n );\n\n var output : vertexOutput;\n\n var vertexVC: vec4 = rendererUBO.SCVCMatrix * mapperUBO.BCSCMatrix * vec4(vertexBC.xyz, 1.0);\n\n //VTK::Color::Impl\n\n // compute the projected vertex position\n output.centerVC = vertexVC.xyz;\n output.radiusVC = radiusMC;\n output.lengthVC = length(orientMC);\n output.orientVC = (rendererUBO.WCVCNormals * vec4(normalize(orientMC), 0.0)).xyz;\n\n // make sure it is pointing out of the screen\n if (output.orientVC.z < 0.0)\n {\n output.orientVC = -output.orientVC;\n }\n\n // make the basis\n var xbase: vec3;\n var ybase: vec3;\n var dir: vec3 = vec3(0.0,0.0,1.0);\n if (rendererUBO.cameraParallel == 0u)\n {\n dir = normalize(-vertexVC.xyz);\n }\n if (abs(dot(dir,output.orientVC)) == 1.0)\n {\n xbase = normalize(cross(vec3(0.0,1.0,0.0),output.orientVC));\n ybase = cross(xbase,output.orientVC);\n }\n else\n {\n xbase = normalize(cross(output.orientVC,dir));\n ybase = cross(output.orientVC,xbase);\n }\n\n\n var vertIdx: u32 = input.vertexIndex % 12u;\n var offsets: vec3 = offsetsArray[vertIdx];\n\n vertexVC = vec4(vertexVC.xyz +\n output.radiusVC * offsets.x * xbase +\n output.radiusVC * offsets.y * ybase +\n 0.5 * output.lengthVC * offsets.z * output.orientVC, 1.0);\n\n output.vertexVC = vertexVC;\n\n //VTK::Position::Impl\n\n return output;\n}\n";function fb(e,t){t.classHierarchy.push("vtkWebGPUStickMapper");const n=e.buildPass;e.buildPass=r=>{if(r){t.renderable.getStatic()||t.renderable.update();const n=t.renderable.getInputData();e.setCellArray(n.getVerts()),e.setCurrentInput(n)}n(r)},e.replaceShaderNormal=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.hasOutput("vertexVC")||r.addOutput("vec4","vertexVC"),r.addOutput("vec3","centerVC"),r.addOutput("vec3","orientVC"),r.addOutput("f32","radiusVC"),r.addOutput("f32","lengthVC"),r.addBuiltinInput("u32","@builtin(vertex_index) vertexIndex");const o=t.getShaderDescription("fragment");o.addBuiltinOutput("f32","@builtin(frag_depth) fragDepth");let a=o.getCode();a=ih.substitute(a,"//VTK::Normal::Impl",["\n // compute the eye position and unit direction\n var vertexVC: vec4;\n var EyePos: vec3;\n var EyeDir: vec3;\n\n if (rendererUBO.cameraParallel != 0u)\n {\n EyePos = vec3(input.vertexVC.x, input.vertexVC.y, input.vertexVC.z + 3.0*input.radiusVC);\n EyeDir = vec3(0.0, 0.0, -1.0);\n }\n else\n {\n EyeDir = input.vertexVC.xyz;\n EyePos = vec3(0.0,0.0,0.0);\n var lengthED: f32 = length(EyeDir);\n EyeDir = normalize(EyeDir);\n // we adjust the EyePos to be closer if it is too far away\n // to prevent floating point precision noise\n if (lengthED > input.radiusVC*3.0)\n {\n EyePos = input.vertexVC.xyz - EyeDir*3.0*input.radiusVC;\n }\n }\n // translate to Sphere center\n EyePos = EyePos - input.centerVC;\n\n // rotate to new basis\n // base1, base2, orientVC\n var base1: vec3;\n if (abs(input.orientVC.z) < 0.99)\n {\n base1 = normalize(cross(input.orientVC,vec3(0.0,0.0,1.0)));\n }\n else\n {\n base1 = normalize(cross(input.orientVC,vec3(0.0,1.0,0.0)));\n }\n var base2: vec3 = cross(input.orientVC,base1);\n EyePos = vec3(dot(EyePos,base1),dot(EyePos,base2),dot(EyePos,input.orientVC));\n EyeDir = vec3(dot(EyeDir,base1),dot(EyeDir,base2),dot(EyeDir,input.orientVC));\n\n // scale to radius 1.0\n EyePos = EyePos * (1.0 / input.radiusVC);\n\n // find the intersection\n var a: f32 = EyeDir.x*EyeDir.x + EyeDir.y*EyeDir.y;\n var b: f32 = 2.0*(EyePos.x*EyeDir.x + EyePos.y*EyeDir.y);\n var c: f32 = EyePos.x*EyePos.x + EyePos.y*EyePos.y - 1.0;\n var d: f32 = b*b - 4.0*a*c;\n var normal: vec3 = vec3(0.0,0.0,1.0);\n if (d < 0.0) { discard; }\n else\n {\n var t: f32 = (-b - sqrt(d))*(0.5 / a);\n var tz: f32 = EyePos.z + t*EyeDir.z;\n var iPoint: vec3 = EyePos + t*EyeDir;\n if (abs(iPoint.z)*input.radiusVC > input.lengthVC*0.5)\n {\n // test for end cap\n var t2: f32 = (-b + sqrt(d))*(0.5 / a);\n var tz2: f32 = EyePos.z + t2*EyeDir.z;\n if (tz2*input.radiusVC > input.lengthVC*0.5 || tz*input.radiusVC < -0.5*input.lengthVC) { discard; }\n else\n {\n normal = input.orientVC;\n var t3: f32 = (input.lengthVC*0.5/input.radiusVC - EyePos.z)/EyeDir.z;\n iPoint = EyePos + t3*EyeDir;\n vertexVC = vec4(input.radiusVC*(iPoint.x*base1 + iPoint.y*base2 + iPoint.z*input.orientVC) + input.centerVC, 1.0);\n }\n }\n else\n {\n // The normal is the iPoint.xy rotated back into VC\n normal = iPoint.x*base1 + iPoint.y*base2;\n // rescale rerotate and translate\n vertexVC = vec4(input.radiusVC*(normal + iPoint.z*input.orientVC) + input.centerVC, 1.0);\n }\n }\n // compute the pixel's depth\n var pos: vec4 = rendererUBO.VCPCMatrix * vertexVC;\n output.fragDepth = pos.z / pos.w;\n "]).result,o.setCode(a)},e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position");let o=r.getCode();o=ih.substitute(o,"//VTK::Position::Impl",[" output.Position = 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hb([0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0,0]),xb=new hb([0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,0,0]),Tb=new hb([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]),Cb=function(e,t){for(var n=new vb(31),r=0;r<31;++r)n[r]=t+=1<>>1|(21845&Mb)<<1;Rb=(61680&(Rb=(52428&Rb)>>>2|(13107&Rb)<<2))>>>4|(3855&Rb)<<4,Ob[Mb]=((65280&Rb)>>>8|(255&Rb)<<8)>>>1}var Vb=function(e,t,n){for(var r=e.length,o=0,a=new vb(t);o>>l]=c}else for(i=new vb(r),o=0;o>>15-e[o]);return i},Eb=new hb(288);for(Mb=0;Mb<144;++Mb)Eb[Mb]=8;for(Mb=144;Mb<256;++Mb)Eb[Mb]=9;for(Mb=256;Mb<280;++Mb)Eb[Mb]=7;for(Mb=280;Mb<288;++Mb)Eb[Mb]=8;var Db=new hb(32);for(Mb=0;Mb<32;++Mb)Db[Mb]=5;var Lb=Vb(Eb,9,1),Bb=Vb(Db,5,1),Nb=function(e){for(var t=e[0],n=1;nt&&(t=e[n]);return t},kb=function(e,t,n){var r=t/8|0;return(e[r]|e[r+1]<<8)>>(7&t)&n},Fb=function(e,t){var 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e=new Float64Array(16);return d(e,a),e},e.setProjectionMatrix=e=>{t.projectionMatrix=e},e.getProjectionMatrix=(e,n,r)=>{const o=new Float64Array(16);if(g(o),t.projectionMatrix){const e=1/t.physicalScale;return Pn(s,e,e,e),d(o,t.projectionMatrix),T(o,o,s),m(o,o),o}g(a);const i=t.clippingRange[1]-t.clippingRange[0],l=[t.clippingRange[0]+(n+1)*i/2,t.clippingRange[0]+(r+1)*i/2];if(t.parallelProjection){const n=t.parallelScale*e,r=t.parallelScale,o=(t.windowCenter[0]-1)*n,i=(t.windowCenter[0]+1)*n,s=(t.windowCenter[1]-1)*r,c=(t.windowCenter[1]+1)*r;K(a,o,i,s,c,l[0],l[1]),m(a,a)}else{if(t.useOffAxisProjection)throw new Error("Off-Axis projection is not supported at this time");{const n=Math.tan(Eo(t.viewAngle)/2);let r,o;!0===t.useHorizontalViewAngle?(r=t.clippingRange[0]*n,o=t.clippingRange[0]*n/e):(r=t.clippingRange[0]*n*e,o=t.clippingRange[0]*n);const i=(t.windowCenter[0]-1)*r,s=(t.windowCenter[0]+1)*r,c=(t.windowCenter[1]-1)*o,u=(t.windowCenter[1]+1)*o,d=l[0],p=l[1];a[0]=2*d/(s-i),a[5]=2*d/(u-c),a[2]=(i+s)/(s-i),a[6]=(c+u)/(u-c),a[10]=-(d+p)/(p-d),a[14]=-1,a[11]=-2*d*p/(p-d),a[15]=0}}return d(o,a),o},e.getCompositeProjectionMatrix=(t,n,r)=>{const o=e.getViewMatrix(),a=e.getProjectionMatrix(t,n,r);return b(a,o,a),a},e.setDirectionOfProjection=(e,n,r)=>{if(t.directionOfProjection[0]===e&&t.directionOfProjection[1]===n&&t.directionOfProjection[2]===r)return;t.directionOfProjection[0]=e,t.directionOfProjection[1]=n,t.directionOfProjection[2]=r;const o=t.directionOfProjection;t.focalPoint[0]=t.position[0]+o[0]*t.distance,t.focalPoint[1]=t.position[1]+o[1]*t.distance,t.focalPoint[2]=t.position[2]+o[2]*t.distance,y()},e.setDeviceAngles=(n,r,o,a)=>{const i=[3];Yo(t.physicalViewNorth,t.physicalViewUp,i);const s=g(new 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Fx={position:[0,0,1],focalPoint:[0,0,0],viewUp:[0,1,0],directionOfProjection:[0,0,-1],parallelProjection:!1,useHorizontalViewAngle:!1,viewAngle:30,parallelScale:1,clippingRange:[.01,1000.01],windowCenter:[0,0],viewPlaneNormal:[0,0,1],useOffAxisProjection:!1,screenBottomLeft:[-.5,-.5,-.5],screenBottomRight:[.5,-.5,-.5],screenTopRight:[.5,.5,-.5],freezeFocalPoint:!1,projectionMatrix:null,viewMatrix:null,cameraLightTransform:c(),physicalTranslation:[0,0,0],physicalScale:1,physicalViewUp:[0,1,0],physicalViewNorth:[0,0,-1]};function _x(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fx,n),jt.obj(e,t),jt.get(e,t,["distance"]),jt.setGet(e,t,["parallelProjection","useHorizontalViewAngle","viewAngle","parallelScale","useOffAxisProjection","freezeFocalPoint","physicalScale"]),jt.getArray(e,t,["directionOfProjection","viewPlaneNormal","position","focalPoint"]),jt.setGetArray(e,t,["clippingRange","windowCenter"],2),jt.setGetArray(e,t,["viewUp","screenBottomLeft","screenBottomRight","screenTopRight","physicalTranslation","physicalViewUp","physicalViewNorth"],3),kx(e,t)}var Gx={newInstance:jt.newInstance(_x,"vtkCamera"),extend:_x};function Ux(e,t){t.classHierarchy.push("vtkLight");const n=new Float64Array(3);e.getTransformedPosition=()=>(t.transformMatrix?Ln(n,t.position,t.transformMatrix):Pn(n,t.position[0],t.position[1],t.position[2]),n),e.getTransformedFocalPoint=()=>(t.transformMatrix?Ln(n,t.focalPoint,t.transformMatrix):Pn(n,t.focalPoint[0],t.focalPoint[1],t.focalPoint[2]),n),e.getDirection=()=>(t.directionMTime{const n=new Float64Array(3);_n(n,t.position,e),t.focalPoint=n},e.setDirectionAngle=(t,n)=>{const r=Eo(t),o=Eo(n);e.setPosition(Math.cos(r)*Math.sin(o),Math.sin(r),Math.cos(r)*Math.cos(o)),e.setFocalPoint(0,0,0),e.setPositional(0)},e.setLightTypeToHeadLight=()=>{e.setLightType("HeadLight")},e.setLightTypeToCameraLight=()=>{e.setLightType("CameraLight")},e.setLightTypeToSceneLight=()=>{e.setTransformMatrix(null),e.setLightType("SceneLight")},e.lightTypeIsHeadLight=()=>"HeadLight"===t.lightType,e.lightTypeIsSceneLight=()=>"SceneLight"===t.lightType,e.lightTypeIsCameraLight=()=>"CameraLight"===t.lightType}const Wx={switch:!0,intensity:1,color:[1,1,1],position:[0,0,1],focalPoint:[0,0,0],positional:!1,exponent:1,coneAngle:30,coneFalloff:5,attenuationValues:[1,0,0],transformMatrix:null,lightType:"SceneLight",shadowAttenuation:1,direction:[0,0,0],directionMTime:0};function zx(e,t){let n=arguments.length>2&&void 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n={type:"ComputeVisiblePropBoundsEvent",renderer:e},r={type:"ResetCameraClippingRangeEvent",renderer:e},o={type:"ResetCameraEvent",renderer:e};e.updateCamera=()=>(t.activeCamera||(Yx("No cameras are on, creating one."),e.getActiveCameraAndResetIfCreated()),t.activeCamera.render(e),!0),e.updateLightsGeometryToFollowCamera=()=>{const n=e.getActiveCameraAndResetIfCreated();t.lights.forEach((e=>{e.lightTypeIsSceneLight()||(e.lightTypeIsHeadLight()?(e.setPositionFrom(n.getPositionByReference()),e.setFocalPointFrom(n.getFocalPointByReference()),e.modified(n.getMTime())):e.lightTypeIsCameraLight()?e.setTransformMatrix(n.getCameraLightTransformMatrix(c())):Zx("light has unknown light type",e.get()))}))},e.updateLightGeometry=()=>!t.lightFollowCamera||e.updateLightsGeometryToFollowCamera(),e.allocateTime=Jx("allocateTime"),e.updateGeometry=Jx("updateGeometry"),e.getVTKWindow=()=>t._renderWindow,e.setLayer=n=>{Yx(e.getClassName(),e,"setting Layer to 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e.invokeEvent({type:"CreateCameraEvent",camera:t}),t},e.getActiveCamera=()=>(t.activeCamera||(t.activeCamera=e.makeCamera()),t.activeCamera),e.getActiveCameraAndResetIfCreated=()=>(t.activeCamera||(e.getActiveCamera(),e.resetCamera()),t.activeCamera),e.getActors=()=>(t.actors=[],t.props.forEach((e=>{t.actors=t.actors.concat(e.getActors())})),t.actors),e.addActor=e.addViewProp,e.removeActor=n=>{t.actors=t.actors.filter((e=>e!==n)),e.removeViewProp(n),e.modified()},e.removeAllActors=()=>{e.getActors().forEach((t=>{e.removeViewProp(t)})),t.actors=[],e.modified()},e.getVolumes=()=>(t.volumes=[],t.props.forEach((e=>{t.volumes=t.volumes.concat(e.getVolumes())})),t.volumes),e.addVolume=e.addViewProp,e.removeVolume=n=>{t.volumes=t.volumes.filter((e=>e!==n)),e.removeViewProp(n),e.modified()},e.removeAllVolumes=()=>{e.getVolumes().forEach((t=>{e.removeViewProp(t)})),t.volumes=[],e.modified()},e.hasLight=e=>t.lights.includes(e),e.addLight=n=>{n&&!e.hasLight(n)&&(t.lights.push(n),e.modified())},e.removeLight=n=>{t.lights=t.lights.filter((e=>e!==n)),e.modified()},e.removeAllLights=()=>{t.lights=[],e.modified()},e.setLightCollection=n=>{t.lights=n,e.modified()},e.makeLight=Hx.newInstance,e.createLight=()=>{t.automaticLightCreation&&(t._createdLight&&(e.removeLight(t._createdLight),t._createdLight.delete(),t._createdLight=null),t._createdLight=e.makeLight(),e.addLight(t._createdLight),t._createdLight.setLightTypeToHeadLight(),t._createdLight.setPosition(e.getActiveCamera().getPosition()),t._createdLight.setFocalPoint(e.getActiveCamera().getFocalPoint()))},e.normalizedDisplayToWorld=(t,n,r,o)=>{let a=e.normalizedDisplayToProjection(t,n,r);return a=e.projectionToView(a[0],a[1],a[2],o),e.viewToWorld(a[0],a[1],a[2])},e.worldToNormalizedDisplay=(t,n,r,o)=>{let a=e.worldToView(t,n,r);return a=e.viewToProjection(a[0],a[1],a[2],o),e.projectionToNormalizedDisplay(a[0],a[1],a[2])},e.viewToWorld=(e,n,r)=>{if(null===t.activeCamera)return Zx("ViewToWorld: no active camera, cannot compute view to world, returning 0,0,0"),[0,0,0];const o=t.activeCamera.getViewMatrix();h(o,o),m(o,o);const a=new Float64Array([e,n,r]);return Ln(a,a,o),a},e.projectionToView=(e,n,r,o)=>{if(null===t.activeCamera)return Zx("ProjectionToView: no active camera, cannot compute projection to view, returning 0,0,0"),[0,0,0];const a=t.activeCamera.getProjectionMatrix(o,-1,1);h(a,a),m(a,a);const i=new Float64Array([e,n,r]);return Ln(i,i,a),i},e.worldToView=(e,n,r)=>{if(null===t.activeCamera)return Zx("WorldToView: no active camera, cannot compute view to world, returning 0,0,0"),[0,0,0];const 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0!==arguments[2]?arguments[2]:{};for(Object.assign(t,tT,n),Xx.extend(e,t,n),t.background||(t.background=[0,0,0,1]);t.background.length<3;)t.background.push(0);3===t.background.length&&t.background.push(1),xt(e,t,["_renderWindow","allocatedRenderTime","timeFactor","lastRenderTimeInSeconds","numberOfPropsRendered","lastRenderingUsedDepthPeeling","selector"]),At(e,t,["twoSidedLighting","lightFollowCamera","automaticLightCreation","erase","draw","nearClippingPlaneTolerance","clippingRangeExpansion","backingStore","interactive","layer","preserveColorBuffer","preserveDepthBuffer","useDepthPeeling","occlusionRatio","maximumNumberOfPeels","delegate","backgroundTexture","texturedBackground","environmentTexture","environmentTextureDiffuseStrength","environmentTextureSpecularStrength","useEnvironmentTextureAsBackground","useShadows","pass"]),Pt(e,t,["actors","volumes","lights"]),wt(e,t,["background"],4,1),Ot(0,t,["renderWindow"]),eT(e,t)}var rT={newInstance:Et(nT,"vtkRenderer"),extend:nT};const oT=Object.create(null);function aT(e,t){oT[e]=t}function iT(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return oT[e]&&oT[e](t)}function sT(e,t){t.classHierarchy.push("vtkRenderWindow"),e.addRenderer=n=>{e.hasRenderer(n)||(n.setRenderWindow(e),t.renderers.push(n),e.modified())},e.removeRenderer=n=>{t.renderers=t.renderers.filter((e=>e!==n)),e.modified()},e.hasRenderer=e=>-1!==t.renderers.indexOf(e),e.newAPISpecificView=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return iT(e||t.defaultViewAPI,n)},e.addView=n=>{e.hasView(n)||(n.setRenderable(e),t._views.push(n),e.modified())},e.removeView=n=>{t._views=t._views.filter((e=>e!==n)),e.modified()},e.hasView=e=>-1!==t._views.indexOf(e),e.preRender=()=>{t.renderers.forEach((e=>{e.isActiveCameraCreated()||e.resetCamera()}))},e.render=()=>{e.preRender(),t.interactor?t.interactor.render():t._views.forEach((e=>e.traverseAllPasses()))},e.getStatistics=()=>{const e={propCount:0,invisiblePropCount:0,gpuMemoryMB:0};return t._views.forEach((t=>{e.gpuMemoryMB+=t.getGraphicsMemoryInfo()/1e6})),t.renderers.forEach((n=>{const r=n.getViewProps(),o=t._views[0].getViewNodeFor(n);r.forEach((t=>{if(t.getVisibility()){e.propCount+=1;const n=t.getMapper&&t.getMapper();if(n&&n.getPrimitiveCount){const t=o.getViewNodeFor(n);if(t){e.gpuMemoryMB+=t.getAllocatedGPUMemoryInBytes()/1e6;const r=n.getPrimitiveCount();Object.keys(r).forEach((t=>{e[t]||(e[t]=0),e[t]+=r[t]}))}}}else e.invisiblePropCount+=1}))})),e.str=Object.keys(e).map((t=>`${t}: ${e[t]}`)).join("\n"),e},e.captureImages=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"image/png",r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return jt.setImmediate(e.render),t._views.map((e=>e.captureNextImage?e.captureNextImage(n,r):void 0)).filter((e=>!!e))}}const lT={defaultViewAPI:"WebGL",renderers:[],views:[],interactor:null,neverRendered:!0,numberOfLayers:1};function cT(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,lT,n),jt.obj(e,t),jt.setGet(e,t,["interactor","numberOfLayers","_views","defaultViewAPI"]),jt.get(e,t,["neverRendered"]),jt.getArray(e,t,["renderers"]),jt.moveToProtected(e,t,["views"]),jt.event(e,t,"completion"),sT(e,t)}var uT={newInstance:jt.newInstance(cT,"vtkRenderWindow"),extend:cT,registerViewConstructor:aT,listViewAPIs:function(){return Object.keys(oT)},newAPISpecificView:iT};const dT={Unknown:0,LeftController:1,RightController:2},pT={Unknown:0,Trigger:1,TrackPad:2,Grip:3,Thumbstick:4,A:5,B:6,ApplicationMenu:7};var 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e.forEach((e=>{let{pointerId:n,position:r}=e;t[n]=r})),t}function PT(e,t){t.classHierarchy.push("vtkRenderWindowInteractor");const n=new Set,r=new Map;let o=1;function a(n,r){t._forcedRenderer||(t.currentRenderer=e.findPokedRenderer(n,r))}e.start=()=>{(t.initialized||(e.initialize(),t.initialized))&&e.startEventLoop()},e.setRenderWindow=e=>{vT("you want to call setView(view) instead of setRenderWindow on a vtk.js interactor")},e.setInteractorStyle=n=>{t.interactorStyle!==n&&(null!=t.interactorStyle&&t.interactorStyle.setInteractor(null),t.interactorStyle=n,null!=t.interactorStyle&&t.interactorStyle.getInteractor()!==e&&t.interactorStyle.setInteractor(e))},e.initialize=()=>{t.initialized=!0,e.enable(),e.render()},e.enable=()=>e.setEnabled(!0),e.disable=()=>e.setEnabled(!1),e.startEventLoop=()=>hT("empty event loop"),e.getCurrentRenderer=()=>(t.currentRenderer||a(0,0),t.currentRenderer);const i=t._getScreenEventPositionFor||function(e){const n=t._view.getCanvas(),o=n.getBoundingClientRect(),i=n.width/o.width,s=n.height/o.height,l={x:i*(e.clientX-o.left),y:s*(o.height-e.clientY+o.top),z:0};return(r.size<=1||!t.currentRenderer)&&a(l.x,l.y),l};function s(e){return{controlKey:e.ctrlKey,altKey:e.altKey,shiftKey:e.shiftKey}}function l(e){const t=s(e);return{key:e.key,keyCode:e.charCode,...t}}function c(e){return e.pointerType||""}function u(){t._view&&t.enabled&&t.enableRender&&(t.inRender=!0,t._view.traverseAllPasses(),t.inRender=!1),e.invokeRenderEvent()}e.bindEvents=n=>{t.container=n,n.addEventListener("contextmenu",ST),n.addEventListener("wheel",e.handleWheel),n.addEventListener("DOMMouseScroll",e.handleWheel),n.addEventListener("pointerenter",e.handlePointerEnter),n.addEventListener("pointerleave",e.handlePointerLeave),n.addEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.addEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.addEventListener("pointerup",e.handlePointerUp),n.addEventListener("pointercancel",e.handlePointerCancel),document.addEventListener("keypress",e.handleKeyPress),document.addEventListener("keydown",e.handleKeyDown),document.addEventListener("keyup",e.handleKeyUp),document.addEventListener("pointerlockchange",e.handlePointerLockChange),n.style.touchAction="none",n.style.userSelect="none",n.style.webkitTapHighlightColor="rgba(0,0,0,0)"},e.unbindEvents=()=>{const{container:n}=t;n.removeEventListener("contextmenu",ST),n.removeEventListener("wheel",e.handleWheel),n.removeEventListener("DOMMouseScroll",e.handleWheel),n.removeEventListener("pointerenter",e.handlePointerEnter),n.removeEventListener("pointerleave",e.handlePointerLeave),n.removeEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.removeEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.removeEventListener("pointerup",e.handlePointerUp),n.removeEventListener("pointercancel",e.handlePointerCancel),document.removeEventListener("keypress",e.handleKeyPress),document.removeEventListener("keydown",e.handleKeyDown),document.removeEventListener("keyup",e.handleKeyUp),document.removeEventListener("pointerlockchange",e.handlePointerLockChange),t.container=null,r.clear()},e.handleKeyPress=t=>{const n=l(t);e.keyPressEvent(n)},e.handleKeyDown=t=>{const n=l(t);e.keyDownEvent(n)},e.handleKeyUp=t=>{const n=l(t);e.keyUpEvent(n)},e.handlePointerEnter=t=>{const n={...s(t),position:i(t),deviceType:c(t)};e.pointerEnterEvent(n),"mouse"===n.deviceType&&e.mouseEnterEvent(n)},e.handlePointerLeave=t=>{const n={...s(t),position:i(t),deviceType:c(t)};e.pointerLeaveEvent(n),"mouse"===n.deviceType&&e.mouseLeaveEvent(n)},e.handlePointerDown=n=>{if(!(n.button>2||e.isPointerLocked()))switch(t.preventDefaultOnPointerDown&&ST(n),n.target.hasPointerCapture(n.pointerId)&&n.target.releasePointerCapture(n.pointerId),t.container.setPointerCapture(n.pointerId),r.has(n.pointerId)&&hT("[RenderWindowInteractor] duplicate pointerId 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o=Date.now()+r;t._animationExtendedEnd=Math.max(t._animationExtendedEnd,o),t.animationRequest||0!==n.size||t.xrAnimation||(t._animationStartTime=Date.now(),t._animationFrameCount=0,t.animationRequest=requestAnimationFrame(e.handleAnimation),e.startAnimationEvent())},e.isAnimating=()=>t.xrAnimation||null!==t.animationRequest,e.cancelAnimation=function(r){let o=arguments.length>1&&void 0!==arguments[1]&&arguments[1];if(n.has(r))n.delete(r),t.animationRequest&&0===n.size&&Date.now()>t._animationExtendedEnd&&(cancelAnimationFrame(t.animationRequest),t.animationRequest=null,e.endAnimationEvent(),e.render());else if(!o){const e=r&&r.getClassName?r.getClassName():r;hT(`${e} did not request an 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r=Date.now();t._animationFrameCount++,r-t._animationStartTime>1e3&&t._animationFrameCount>1&&(t.recentAnimationFrameRate=1e3*(t._animationFrameCount-1)/(r-t._animationStartTime),t.lastFrameTime=1/t.recentAnimationFrameRate,e.animationFrameRateUpdateEvent(),t._animationStartTime=r,t._animationFrameCount=1),e.animationEvent(),u(),n.size>0||Date.now(){ST(n);const r={...yT(n),...s(n),position:i(n),deviceType:c(n)};0===t.wheelTimeoutID&&(o=Math.abs(r.spinY)>=.3?Math.abs(r.spinY):1),r.spinY/=o,0===t.wheelTimeoutID?(e.startMouseWheelEvent(r),e.mouseWheelEvent(r)):(e.mouseWheelEvent(r),clearTimeout(t.wheelTimeoutID)),t.mouseScrollDebounceByPass?(e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0):t.wheelTimeoutID=setTimeout((()=>{e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0}),200)},e.handleMouseUp=t=>{const n={...s(t),position:i(t),deviceType:c(t)};switch(t.button){case 0:e.leftButtonReleaseEvent(n);break;case 1:e.middleButtonReleaseEvent(n);break;case 2:e.rightButtonReleaseEvent(n);break;default:vT(`Unknown mouse button released: ${t.button}`)}},e.handleTouchStart=n=>{const o=[...r.values()];if(t.recognizeGestures&&o.length>1){const t=AT(r);if(2===o.length){const t={...s(xT),position:o[0].position,deviceType:c(n)};e.leftButtonReleaseEvent(t)}e.recognizeGesture("TouchStart",t)}else if(1===o.length){const t={...s(xT),position:i(n),deviceType:c(n)};e.leftButtonPressEvent(t)}},e.handleTouchMove=n=>{const o=[...r.values()];if(t.recognizeGestures&&o.length>1){const t=AT(r);e.recognizeGesture("TouchMove",t)}else if(1===o.length){const t={...s(xT),position:o[0].position,deviceType:c(n)};e.mouseMoveEvent(t)}},e.handleTouchEnd=n=>{const o=[...r.values()];if(t.recognizeGestures)if(0===o.length){const t={...s(xT),position:i(n),deviceType:c(n)};e.leftButtonReleaseEvent(t)}else if(1===o.length){const t=AT(r);e.recognizeGesture("TouchEnd",t);const a={...s(xT),position:o[0].position,deviceType:c(n)};e.leftButtonPressEvent(a)}else{const 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r=n.charAt(0).toLowerCase()+n.slice(1);e[`${r}Event`]=r=>{if(!t.enabled)return;if(!e.getCurrentRenderer())return void bT("\n Can not forward events without a current renderer on the interactor.\n ");const o={type:n,pokedRenderer:t.currentRenderer,firstRenderer:e.getFirstRenderer(),...r};e[`invoke${n}`](o)}})),e.recognizeGesture=(n,r)=>{if(Object.keys(r).length>2)return;if(t.startingEventPositions||(t.startingEventPositions={}),"TouchStart"===n)return Object.keys(r).forEach((e=>{t.startingEventPositions[e]=r[e]})),void(t.currentGesture="Start");if("TouchEnd"===n)return"Pinch"===t.currentGesture&&(e.render(),e.endPinchEvent()),"Rotate"===t.currentGesture&&(e.render(),e.endRotateEvent()),"Pan"===t.currentGesture&&(e.render(),e.endPanEvent()),t.currentGesture="Start",void(t.startingEventPositions={});let o=0;const a=[],i=[];Object.keys(r).forEach((e=>{a[o]=r[e],i[o]=t.startingEventPositions[e],o++}));const s=Math.sqrt((i[0].x-i[1].x)*(i[0].x-i[1].x)+(i[0].y-i[1].y)*(i[0].y-i[1].y)),l=Math.sqrt((a[0].x-a[1].x)*(a[0].x-a[1].x)+(a[0].y-a[1].y)*(a[0].y-a[1].y));let c=Do(Math.atan2(i[1].y-i[0].y,i[1].x-i[0].x)),u=Do(Math.atan2(a[1].y-a[0].y,a[1].x-a[0].x)),d=u-c;u=u+180>=360?u-180:u+180,c=c+180>=360?c-180:c+180,Math.abs(u-c)n&&o>a&&o>i){t.currentGesture="Pinch";const n={scale:1,touches:r};e.startPinchEvent(n)}else if(a>n&&a>i){t.currentGesture="Rotate";const n={rotation:0,touches:r};e.startRotateEvent(n)}else if(i>n){t.currentGesture="Pan";const n={translation:[0,0],touches:r};e.startPanEvent(n)}}else{if("Rotate"===t.currentGesture){const t={rotation:d,touches:r};e.rotateEvent(t)}if("Pinch"===t.currentGesture){const t={scale:l/s,touches:r};e.pinchEvent(t)}if("Pan"===t.currentGesture){const t={translation:p,touches:r};e.panEvent(t)}}},e.handleVisibilityChange=()=>{t._animationStartTime=Date.now(),t._animationFrameCount=0},e.setCurrentRenderer=e=>{t._forcedRenderer=!!e,t.currentRenderer=e};const d=e.delete;e.delete=()=>{for(;n.size;)e.cancelAnimation(n.values().next().value);void 0!==document.hidden&&document.removeEventListener("visibilitychange",e.handleVisibilityChange),t.container&&e.unbindEvents(),d()},void 0!==document.hidden&&document.addEventListener("visibilitychange",e.handleVisibilityChange,!1)}const IT={renderWindow:null,interactorStyle:null,picker:null,pickingManager:null,initialized:!1,enabled:!1,enableRender:!0,currentRenderer:null,lightFollowCamera:!0,desiredUpdateRate:30,stillUpdateRate:2,container:null,recognizeGestures:!0,currentGesture:"Start",animationRequest:null,lastFrameTime:.1,recentAnimationFrameRate:10,wheelTimeoutID:0,moveTimeoutID:0,lastGamepadValues:{},preventDefaultOnPointerDown:!1,preventDefaultOnPointerUp:!1,mouseScrollDebounceByPass:!1};function wT(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,IT,n),jt.obj(e,t),t._animationExtendedEnd=0,jt.event(e,t,"RenderEvent"),CT.forEach((n=>jt.event(e,t,n))),jt.get(e,t,["initialized","container","interactorStyle","lastFrameTime","recentAnimationFrameRate","_view"]),jt.setGet(e,t,["lightFollowCamera","enabled","enableRender","recognizeGestures","desiredUpdateRate","stillUpdateRate","picker","preventDefaultOnPointerDown","preventDefaultOnPointerUp","mouseScrollDebounceByPass"]),jt.moveToProtected(e,t,["view"]),PT(e,t)}var OT={newInstance:jt.newInstance(wT,"vtkRenderWindowInteractor"),extend:wT,handledEvents:CT,...fT};const{vtkErrorMacro:MT,VOID:RT}=jt;function VT(e,t){t.classHierarchy.push("vtkInteractorObserver");const n={...e};function r(){for(;t.subscribedEvents.length;)t.subscribedEvents.pop().unsubscribe()}function o(){OT.handledEvents.forEach((n=>{e[`handle${n}`]&&t.subscribedEvents.push(t._interactor[`on${n}`]((r=>t.processEvents?e[`handle${n}`](r):RT),t.priority))}))}e.setInteractor=n=>{n!==t._interactor&&(r(),t._interactor=n,n&&t.enabled&&o(),e.modified())},e.setEnabled=n=>{n!==t.enabled&&(r(),n&&(t._interactor?o():MT("\n The interactor must be set before subscribing to events\n ")),t.enabled=n,e.modified())},e.computeDisplayToWorld=(e,n,r,o)=>e?t._interactor.getView().displayToWorld(n,r,o,e):null,e.computeWorldToDisplay=(e,n,r,o)=>e?t._interactor.getView().worldToDisplay(n,r,o,e):null,e.setPriority=e=>{n.setPriority(e)&&t._interactor&&(r(),o())}}const ET={enabled:!0,priority:0,processEvents:!0,subscribedEvents:[]};function DT(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ET,n),jt.obj(e,t),jt.event(e,t,"InteractionEvent"),jt.event(e,t,"StartInteractionEvent"),jt.event(e,t,"EndInteractionEvent"),jt.get(e,t,["_interactor","enabled"]),jt.setGet(e,t,["priority","processEvents"]),jt.moveToProtected(e,t,["interactor"]),VT(e,t)}var LT={newInstance:jt.newInstance(DT,"vtkInteractorObserver"),extend:DT,computeWorldToDisplay:function(e,t,n,r){return e.getRenderWindow().getViews()[0].worldToDisplay(t,n,r,e)},computeDisplayToWorld:function(e,t,n,r){return e.getRenderWindow().getViews()[0].displayToWorld(t,n,r,e)}};const BT={IS_START:0,IS_NONE:0,IS_ROTATE:1,IS_PAN:2,IS_SPIN:3,IS_DOLLY:4,IS_CAMERA_POSE:11,IS_WINDOW_LEVEL:1024,IS_SLICE:1025};var NT={States:BT};const{States:kT}=NT,FT={Rotate:kT.IS_ROTATE,Pan:kT.IS_PAN,Spin:kT.IS_SPIN,Dolly:kT.IS_DOLLY,CameraPose:kT.IS_CAMERA_POSE,WindowLevel:kT.IS_WINDOW_LEVEL,Slice:kT.IS_SLICE};function _T(e,t){t.classHierarchy.push("vtkInteractorStyle"),Object.keys(FT).forEach((n=>{jt.event(e,t,`Start${n}Event`),e[`start${n}`]=()=>{t.state===kT.IS_NONE&&(t.state=FT[n],t._interactor.requestAnimation(e),e.invokeStartInteractionEvent({type:"StartInteractionEvent"}),e[`invokeStart${n}Event`]({type:`Start${n}Event`}))},jt.event(e,t,`End${n}Event`),e[`end${n}`]=()=>{t.state===FT[n]&&(t.state=kT.IS_NONE,t._interactor.cancelAnimation(e),e.invokeEndInteractionEvent({type:"EndInteractionEvent"}),e[`invokeEnd${n}Event`]({type:`End${n}Event`}),t._interactor.render())}})),e.handleKeyPress=e=>{const n=t._interactor;let r=null;switch(e.key){case"r":case"R":e.pokedRenderer.resetCamera(),n.render();break;case"w":case"W":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToWireframe&&t.setRepresentationToWireframe()})),n.render();break;case"s":case"S":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToSurface&&t.setRepresentationToSurface()})),n.render();break;case"v":case"V":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToPoints&&t.setRepresentationToPoints()})),n.render()}}}const GT={state:kT.IS_NONE,handleObservers:1,autoAdjustCameraClippingRange:1};function UT(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,GT,n),LT.extend(e,t,n),_T(e,t)}var WT={newInstance:jt.newInstance(UT,"vtkInteractorStyle"),extend:UT,...NT};const{States:zT}=NT;function HT(e,t){t.classHierarchy.push("vtkInteractorStyleTrackballCamera"),e.handleMouseMove=n=>{const r=n.position,o=n.pokedRenderer;switch(t.state){case zT.IS_ROTATE:e.handleMouseRotate(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case zT.IS_PAN:e.handleMousePan(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case 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r=n.position;t.previousPosition=r,n.shiftKey?n.controlKey||n.altKey?e.startDolly():e.startPan():n.controlKey||n.altKey?e.startSpin():e.startRotate()},e.handleLeftButtonRelease=()=>{switch(t.state){case zT.IS_DOLLY:e.endDolly();break;case zT.IS_PAN:e.endPan();break;case zT.IS_SPIN:e.endSpin();break;case zT.IS_ROTATE:e.endRotate()}},e.handleStartMouseWheel=()=>{e.startDolly()},e.handleEndMouseWheel=()=>{e.endDolly()},e.handleStartPinch=n=>{t.previousScale=n.scale,e.startDolly()},e.handleEndPinch=()=>{e.endDolly()},e.handleStartRotate=n=>{t.previousRotation=n.rotation,e.startRotate()},e.handleEndRotate=()=>{e.endRotate()},e.handleStartPan=n=>{t.previousTranslation=n.translation,e.startPan()},e.handleEndPan=()=>{e.endPan()},e.handlePinch=n=>{e.dollyByFactor(n.pokedRenderer,n.scale/t.previousScale),t.previousScale=n.scale},e.handlePan=n=>{const r=n.pokedRenderer.getActiveCamera();let o=r.getFocalPoint();o=e.computeWorldToDisplay(n.pokedRenderer,o[0],o[1],o[2]);const a=o[2],i=n.translation,s=t.previousTranslation,l=e.computeDisplayToWorld(n.pokedRenderer,o[0]+i[0]-s[0],o[1]+i[1]-s[1],a),c=e.computeDisplayToWorld(n.pokedRenderer,o[0],o[1],a),u=[];u[0]=c[0]-l[0],u[1]=c[1]-l[1],u[2]=c[2]-l[2],o=r.getFocalPoint();const d=r.getPosition();r.setFocalPoint(u[0]+o[0],u[1]+o[1],u[2]+o[2]),r.setPosition(u[0]+d[0],u[1]+d[1],u[2]+d[2]),t._interactor.getLightFollowCamera()&&n.pokedRenderer.updateLightsGeometryToFollowCamera(),r.orthogonalizeViewUp(),t.previousTranslation=n.translation},e.handleRotate=e=>{const n=e.pokedRenderer.getActiveCamera();n.roll(e.rotation-t.previousRotation),n.orthogonalizeViewUp(),t.previousRotation=e.rotation},e.handleMouseRotate=(e,n)=>{if(!t.previousPosition)return;const r=t._interactor,o=n.x-t.previousPosition.x,a=n.y-t.previousPosition.y,i=r.getView().getViewportSize(e);let s=-.1,l=-.1;i[0]&&i[1]&&(s=-20/i[1],l=-20/i[0]);const c=o*l*t.motionFactor,u=a*s*t.motionFactor,d=e.getActiveCamera();Number.isNaN(c)||Number.isNaN(u)||(d.azimuth(c),d.elevation(u),d.orthogonalizeViewUp()),t.autoAdjustCameraClippingRange&&e.resetCameraClippingRange(),r.getLightFollowCamera()&&e.updateLightsGeometryToFollowCamera()},e.handleMouseSpin=(e,n)=>{if(!t.previousPosition)return;const r=t._interactor,o=e.getActiveCamera(),a=r.getView().getViewportCenter(e),i=Do(Math.atan2(t.previousPosition.y-a[1],t.previousPosition.x-a[0])),s=Do(Math.atan2(n.y-a[1],n.x-a[0]))-i;Number.isNaN(s)||(o.roll(s),o.orthogonalizeViewUp())},e.handleMousePan=(n,r)=>{if(!t.previousPosition)return;const o=n.getActiveCamera();let a=o.getFocalPoint();a=e.computeWorldToDisplay(n,a[0],a[1],a[2]);const i=a[2],s=e.computeDisplayToWorld(n,r.x,r.y,i),l=e.computeDisplayToWorld(n,t.previousPosition.x,t.previousPosition.y,i),c=[];c[0]=l[0]-s[0],c[1]=l[1]-s[1],c[2]=l[2]-s[2],a=o.getFocalPoint();const u=o.getPosition();o.setFocalPoint(c[0]+a[0],c[1]+a[1],c[2]+a[2]),o.setPosition(c[0]+u[0],c[1]+u[1],c[2]+u[2]),t._interactor.getLightFollowCamera()&&n.updateLightsGeometryToFollowCamera()},e.handleMouseDolly=(n,r)=>{if(!t.previousPosition)return;const o=r.y-t.previousPosition.y,a=t._interactor.getView().getViewportCenter(n),i=t.motionFactor*o/a[1];e.dollyByFactor(n,1.1**i)},e.handleMouseWheel=n=>{const r=1-n.spinY/t.zoomFactor;e.dollyByFactor(n.pokedRenderer,r)},e.dollyByFactor=(e,n)=>{if(Number.isNaN(n))return;const r=e.getActiveCamera();r.getParallelProjection()?r.setParallelScale(r.getParallelScale()/n):(r.dolly(n),t.autoAdjustCameraClippingRange&&e.resetCameraClippingRange()),t._interactor.getLightFollowCamera()&&e.updateLightsGeometryToFollowCamera()}}const jT={motionFactor:10,zoomFactor:10};function KT(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,jT,n),WT.extend(e,t,n),jt.setGet(e,t,["motionFactor","zoomFactor"]),HT(e,t)}var $T={newInstance:jt.newInstance(KT,"vtkInteractorStyleTrackballCamera"),extend:KT};function qT(e){return e}function XT(e){return null===e||"null"===e?null:"true"===e||"false"!==e&&(void 0!==e&&"undefined"!==e?"["===e[0]&&"]"===e[e.length-1]?e.substring(1,e.length-1).split(",").map((e=>XT(e.trim()))):""===e||Number.isNaN(Number(e))?e:Number(e):void 0)}var YT=function(){let e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0],t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:window.location.search;const n={},r=e?XT:qT,o=(t||"").replace(/#.*/,"").replace("?","").split("&");return o.forEach((e=>{const[t,o]=e.split("=").map((e=>decodeURIComponent(e)));t&&(n[t]=!o||r(o))})),n};function ZT(e,t){t.classHierarchy.push("vtkRenderPass"),e.getOperation=()=>t.currentOperation,e.setCurrentOperation=e=>{t.currentOperation=e,t.currentTraverseOperation=`traverse${jt.capitalize(t.currentOperation)}`},e.getTraverseOperation=()=>t.currentTraverseOperation,e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;t.deleted||(t._currentParent=r,t.preDelegateOperations.forEach((t=>{e.setCurrentOperation(t),n.traverse(e)})),t.delegates.forEach((t=>{t.traverse(n,e)})),t.postDelegateOperations.forEach((t=>{e.setCurrentOperation(t),n.traverse(e)})))}}const QT={delegates:[],currentOperation:null,preDelegateOperations:[],postDelegateOperations:[],currentParent:null};function JT(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,QT,n),jt.obj(e,t),jt.get(e,t,["currentOperation"]),jt.setGet(e,t,["delegates","_currentParent","preDelegateOperations","postDelegateOperations"]),jt.moveToProtected(e,t,["currentParent"]),ZT(e,t)}var eC={newInstance:jt.newInstance(JT,"vtkRenderPass"),extend:JT};const{Representation:tC}=xs,{vtkErrorMacro:nC}=jt;function rC(e){const t=xd.substitute(e.Fragment,"//VTK::RenderPassFragmentShader::Impl","\n float weight = gl_FragData[0].a * pow(max(1.1 - gl_FragCoord.z, 0.0), 2.0);\n 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n=e.getSize(),r=e.getContext();t.framebuffer=nf.newInstance(),t.framebuffer.setOpenGLRenderWindow(e),t.framebuffer.create(...n),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind(),t.translucentRGBATexture=$d.newInstance(),t.translucentRGBATexture.setInternalFormat(r.RGBA16F),t.translucentRGBATexture.setFormat(r.RGBA),t.translucentRGBATexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRGBATexture.setOpenGLRenderWindow(e),t.translucentRGBATexture.create2DFromRaw(n[0],n[1],4,"Float32Array",null),t.translucentRTexture=$d.newInstance(),t.translucentRTexture.setInternalFormat(r.R16F),t.translucentRTexture.setFormat(r.RED),t.translucentRTexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRTexture.setOpenGLRenderWindow(e),t.translucentRTexture.create2DFromRaw(n[0],n[1],1,"Float32Array",null),t.translucentZTexture=$d.newInstance(),t.translucentZTexture.setOpenGLRenderWindow(e),t.translucentZTexture.createDepthFromRaw(n[0],n[1],"Float32Array",null),t.framebuffer.setColorBuffer(t.translucentRGBATexture,0),t.framebuffer.setColorBuffer(t.translucentRTexture,1),t.framebuffer.setDepthBuffer(t.translucentZTexture)},e.createCopyShader=e=>{t.copyShader=e.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","attribute vec2 tcoordTC;","varying vec2 tcoord;","void main() { tcoord = tcoordTC; gl_Position = vertexDC; }"].join("\n"),"//VTK::System::Dec\n\nin vec2 tcoord;\n\nuniform sampler2D translucentRTexture;\nuniform sampler2D translucentRGBATexture;\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n vec4 t1Color = texture(translucentRGBATexture, tcoord);\n float t2Color = texture(translucentRTexture, tcoord).r;\n gl_FragData[0] = vec4(t1Color.rgb/max(t2Color,0.01), 1.0 - t1Color.a);\n}\n","")},e.createVBO=n=>{const r=n.getContext();t.tris.setOpenGLRenderWindow(n),e.createVertexBuffer();const o=t.copyShader;t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(o,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),r.FLOAT,3,r.FALSE)||nC("Error setting vertexDC in copy shader VAO."),t.copyVAO.addAttributeArray(o,t.tris.getCABO(),"tcoordTC",t.tris.getCABO().getTCoordOffset(),t.tris.getCABO().getStride(),r.FLOAT,2,r.FALSE)||nC("Error setting vertexDC in copy shader VAO.")},e.traverse=(n,r,o)=>{if(t.deleted)return;const a=n.getSize(),i=n.getContext();if(t._supported=!1,r.getSelector()||!i||!n.getWebgl2()||!i.getExtension("EXT_color_buffer_half_float")&&!i.getExtension("EXT_color_buffer_float"))return e.setCurrentOperation("translucentPass"),void r.traverse(e);if(t._supported=!0,null===t.framebuffer)e.createFramebuffer(n);else{const r=t.framebuffer.getSize();null===r||r[0]!==a[0]||r[1]!==a[1]?(t.framebuffer.releaseGraphicsResources(),t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRTexture.releaseGraphicsResources(n),t.translucentZTexture.releaseGraphicsResources(n),e.createFramebuffer(n)):(t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind())}i.drawBuffers([i.COLOR_ATTACHMENT0]),i.clearBufferfv(i.COLOR,0,[0,0,0,0]),i.clearBufferfv(i.DEPTH,0,[1]),i.colorMask(!1,!1,!1,!1),o.getOpaqueActorCount()>0&&(o.setCurrentOperation("opaqueZBufferPass"),r.traverse(o)),i.colorMask(!0,!0,!0,!0),i.drawBuffers([i.COLOR_ATTACHMENT0,i.COLOR_ATTACHMENT1]),i.viewport(0,0,a[0],a[1]),i.scissor(0,0,a[0],a[1]),i.clearBufferfv(i.COLOR,0,[0,0,0,1]),i.clearBufferfv(i.COLOR,1,[0,0,0,0]),i.enable(i.DEPTH_TEST),i.enable(i.BLEND),i.blendFuncSeparate(i.ONE,i.ONE,i.ZERO,i.ONE_MINUS_SRC_ALPHA),e.setCurrentOperation("translucentPass"),r.traverse(e),i.drawBuffers([i.NONE]),t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader?e.createCopyShader(n):n.getShaderCache().readyShaderProgram(t.copyShader),t.copyVAO||(t.copyVAO=Ad.newInstance(),t.copyVAO.setOpenGLRenderWindow(n)),t.copyVAO.bind(),t.VBOBuildTime.getMTime()t._supported?rC:null,e.releaseGraphicsResources=n=>{t.framebuffer&&(t.framebuffer.releaseGraphicsResources(n),t.framebuffer=null),t.translucentRGBATexture&&(t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRGBATexture=null),t.translucentRTexture&&(t.translucentRTexture.releaseGraphicsResources(n),t.translucentRTexture=null),t.translucentZTexture&&(t.translucentZTexture.releaseGraphicsResources(n),t.translucentZTexture=null),t.copyVAO&&(t.copyVAO.releaseGraphicsResources(n),t.copyVAO=null),t.copyShader&&(t.copyShader.releaseGraphicsResources(n),t.copyShader=null),t.tris&&(t.tris.releaseGraphicsResources(n),t.tris=null),e.modified()}}const aC={framebuffer:null,copyShader:null,tris:null};function iC(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,aC,n),eC.extend(e,t,n),t.VBOBuildTime={},jt.obj(t.VBOBuildTime,{mtime:0}),t.tris=Md.newInstance(),jt.get(e,t,["framebuffer"]),oC(e,t)}var sC={newInstance:jt.newInstance(iC,"vtkOpenGLOrderIndependentTranslucentPass"),extend:iC};function lC(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getRenderable().getNumberOfLayers(),a=n.getChildren();for(let r=0;r0||t.translucentActorCount>0)&&t.volumeCount>0||t.depthRequested){const r=n.getFramebufferSize();null===t.framebuffer&&(t.framebuffer=nf.newInstance()),t.framebuffer.setOpenGLRenderWindow(n),t.framebuffer.saveCurrentBindingsAndBuffers();const o=t.framebuffer.getSize();null!==o&&o[0]===r[0]&&o[1]===r[1]||(t.framebuffer.create(r[0],r[1]),t.framebuffer.populateFramebuffer()),t.framebuffer.bind(),e.setCurrentOperation("zBufferPass"),i.traverse(e),t.framebuffer.restorePreviousBindingsAndBuffers(),t.depthRequested=!1}e.setCurrentOperation("cameraPass"),i.traverse(e),t.opaqueActorCount>0&&(e.setCurrentOperation("opaquePass"),i.traverse(e)),t.translucentActorCount>0&&(t.translucentPass||(t.translucentPass=sC.newInstance()),t.translucentPass.traverse(n,i,e)),t.volumeCount>0&&(e.setCurrentOperation("volumePass"),i.traverse(e)),t.overlayActorCount>0&&(e.setCurrentOperation("overlayPass"),i.traverse(e))}}},e.getZBufferTexture=()=>t.framebuffer?t.framebuffer.getColorTexture():null,e.requestDepth=()=>{t.depthRequested=!0},e.incrementOpaqueActorCount=()=>t.opaqueActorCount++,e.incrementTranslucentActorCount=()=>t.translucentActorCount++,e.incrementVolumeCount=()=>t.volumeCount++,e.incrementOverlayActorCount=()=>t.overlayActorCount++}const cC={opaqueActorCount:0,translucentActorCount:0,volumeCount:0,overlayActorCount:0,framebuffer:null,depthRequested:!1};function uC(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,cC,n),eC.extend(e,t,n),jt.get(e,t,["framebuffer","opaqueActorCount","translucentActorCount","volumeCount"]),lC(e,t)}var dC={newInstance:jt.newInstance(uC,"vtkForwardPass"),extend:uC},pC=n(594),fC=n.n(pC);const gC=["lastShaderProgramBound","context","_openGLRenderWindow"];function mC(e,t){t.classHierarchy.push("vtkShaderCache"),e.replaceShaderValues=(e,n,r)=>{let o=n;r.length>0&&(o=xd.substitute(o,"VSOut","GSOut").result);const a=t._openGLRenderWindow.getWebgl2();let i="\n",s="#version 100\n";a?s="#version 300 es\n#define attribute in\n#define textureCube texture\n#define texture2D texture\n#define textureCubeLod textureLod\n#define texture2DLod textureLod\n":(t.context.getExtension("OES_standard_derivatives"),t.context.getExtension("EXT_frag_depth")&&(i="#extension GL_EXT_frag_depth : enable\n"),t.context.getExtension("EXT_shader_texture_lod")&&(i+="#extension GL_EXT_shader_texture_lod : enable\n#define textureCubeLod textureCubeLodEXT\n#define texture2DLod texture2DLodEXT")),o=xd.substitute(o,"//VTK::System::Dec",[`${s}\n`,a?"":"#extension GL_OES_standard_derivatives : enable\n",i,"#ifdef GL_FRAGMENT_PRECISION_HIGH","precision highp float;","precision highp int;","#else","precision mediump float;","precision mediump int;","#endif"]).result;let l=xd.substitute(e,"//VTK::System::Dec",[`${s}\n`,"#ifdef GL_FRAGMENT_PRECISION_HIGH","precision highp float;","precision highp int;","#else","precision mediump float;","precision mediump int;","#endif"]).result;if(a){l=xd.substitute(l,"varying","out").result,o=xd.substitute(o,"varying","in").result;let e="",t=0;for(;o.includes(`gl_FragData[${t}]`);)o=xd.substitute(o,`gl_FragData\\[${t}\\]`,`fragOutput${t}`).result,e+=`layout(location = ${t}) out vec4 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t=e.getContainer().getElementsByTagName("canvas");for(let e=0;e{t.cullFaceEnabled&&(t.context.disable(t.context.CULL_FACE),t.cullFaceEnabled=!1)},e.enableCullFace=()=>{t.cullFaceEnabled||(t.context.enable(t.context.CULL_FACE),t.cullFaceEnabled=!0)},e.setViewStream=n=>t.viewStream!==n&&(t.subscription&&(t.subscription.unsubscribe(),t.subscription=null),t.viewStream=n,t.viewStream&&(t.renderable.getRenderers()[0].getBackgroundByReference()[3]=0,e.setUseBackgroundImage(!0),t.subscription=t.viewStream.onImageReady((t=>e.setBackgroundImage(t.image))),t.viewStream.setSize(t.size[0],t.size[1]),t.viewStream.invalidateCache(),t.viewStream.render(),e.modified()),!0),e.createSelector=()=>{const t=Sf.newInstance();return t.setOpenGLRenderWindow(e),t},e.delete=jt.chain((function(){t.canvas.removeEventListener("webglcontextlost",NC),t.canvas.removeEventListener("webglcontextrestored",e.restoreContext)}),e.delete,e.setViewStream,BC),e.setActiveFramebuffer=e=>{t.activeFramebuffer=e};const a=e.setSize;e.setSize=(t,n)=>{const r=a(t,n);return r&&e.invokeWindowResizeEvent({width:t,height:n}),r},e.getGraphicsResourceForObject=e=>e?{vtkObj:t._graphicsResources.get(e),hash:t._graphicsResourceHash.get(e)}:null,e.setGraphicsResourceForObject=(e,n,r)=>{e&&(t._graphicsResources.set(e,n),t._graphicsResourceHash.set(e,r))},e.getGraphicsMemoryInfo=()=>{let e=0;return t._graphicsResources.forEach(((t,n)=>{e+=t.getAllocatedGPUMemoryInBytes()})),e},e.releaseGraphicsResourcesForObject=n=>!!n&&(t._graphicsResources.get(n)?.releaseGraphicsResources(e),t._graphicsResources.delete(n)&&t._graphicsResourceHash.delete(n)),e.releaseGraphicsResources=()=>{null!==t.shaderCache&&t.shaderCache.releaseGraphicsResources(e),t._graphicsResources.forEach(((t,n)=>{t.releaseGraphicsResources(e)})),t._graphicsResources.clear(),t._graphicsResourceHash.clear(),null!==t.textureUnitManager&&t.textureUnitManager.freeAll(),t.renderable.getRenderersByReference().forEach((t=>{e.getViewNodeFor(t)?.releaseGraphicsResources()}))}}const FC={cullFaceEnabled:!1,shaderCache:null,initialized:!1,context:null,canvas:null,cursorVisibility:!0,cursor:"pointer",textureUnitManager:null,textureResourceIds:null,containerSize:null,renderPasses:[],notifyStartCaptureImage:!1,webgl2:!1,defaultToWebgl2:!0,activeFramebuffer:null,imageFormat:"image/png",useOffScreen:!1,useBackgroundImage:!1};const _C=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,FC,n),wC.extend(e,t,n),t.canvas=document.createElement("canvas"),t.canvas.style.width="100%",LC(),t.selector||(t.selector=Sf.newInstance(),t.selector.setOpenGLRenderWindow(e)),t.bgImage=new Image,t.bgImage.style.position="absolute",t.bgImage.style.left="0",t.bgImage.style.top="0",t.bgImage.style.width="100%",t.bgImage.style.height="100%",t.bgImage.style.zIndex="-1",t._textureResourceIds=new Map,t._graphicsResources=new Map,t._graphicsResourceHash=new Map,t._glInformation=null,t.myFactory=ln.newInstance(),t.myFactory.registerOverride("vtkRenderWindow",_C),t.shaderCache=yC.newInstance(),t.shaderCache.setOpenGLRenderWindow(e),t.renderPasses[0]=dC.newInstance(),jt.event(e,t,"imageReady"),jt.get(e,t,["shaderCache","textureUnitManager","webgl2","useBackgroundImage","activeFramebuffer"]),jt.setGet(e,t,["initialized","context","canvas","renderPasses","notifyStartCaptureImage","defaultToWebgl2","cursor","useOffScreen"]),jt.setGetArray(e,t,["size"],2),jt.event(e,t,"windowResizeEvent"),kC(e,t)}),"vtkOpenGLRenderWindow");aT("WebGL",_C);const GC=["setBindGroup","setIndexBuffer","setVertexBuffer","draw","drawIndexed"];function UC(e,t){t.classHierarchy.push("vtkWebGPURenderEncoder"),e.begin=e=>{t.drawCallbacks=[],t.handle=e.beginRenderPass(t.description),t.label&&t.handle.pushDebugGroup(t.label)},e.end=()=>{for(let n=0;n{if(t.boundPipeline===e)return;t.handle.setPipeline(e.getHandle());const n=e.getPipelineDescription();if(t.colorTextureViews.length!==n.fragment.targets.length)console.log(`mismatched attachment counts on pipeline ${n.fragment.targets.length} while encoder has ${t.colorTextureViews.length}`),console.trace();else for(let e=0;e{t.replaceShaderCodeFunction(e)},e.setColorTextureView=(e,n)=>{t.colorTextureViews[e]!==n&&(t.colorTextureViews[e]=n)},e.activateBindGroup=e=>{const n=t.boundPipeline.getDevice(),r=t.boundPipeline.getBindGroupLayoutCount(e.getLabel());t.handle.setBindGroup(r,e.getBindGroup(n));const o=n.getBindGroupLayoutDescription(e.getBindGroupLayout(n)),a=n.getBindGroupLayoutDescription(t.boundPipeline.getBindGroupLayout(r));o!==a&&(console.log(`renderEncoder ${t.pipelineHash} mismatched bind group layouts bind group has\n${o}\n versus pipeline\n${a}\n`),console.trace())},e.attachTextureViews=()=>{for(let e=0;e{for(let r=0;r2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,WC,n),yt(e,t),t.description={colorAttachments:[{view:void 0,loadOp:"load",storeOp:"store"}],depthStencilAttachment:{view:void 0,depthLoadOp:"clear",depthClearValue:0,depthStoreOp:"store"}},t.replaceShaderCodeFunction=e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=ih.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = computedColor;"]).result,t.setCode(n)},t.pipelineSettings={primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater-equal",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}},t.colorTextureViews=[],xt(e,t,["boundPipeline","colorTextureViews"]),At(e,t,["depthTextureView","description","handle","label","pipelineHash","pipelineSettings","replaceShaderCodeFunction"]),UC(e,t)}var HC={newInstance:Et(zC,"vtkWebGPURenderEncoder"),extend:zC};function jC(e,t){t.classHierarchy.push("vtkWebGPUOpaquePass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.renderEncoder)t.colorTexture.resize(r.getCanvas().width,r.getCanvas().height),t.depthTexture.resize(r.getCanvas().width,r.getCanvas().height);else{e.createRenderEncoder(),t.colorTexture=Dy.newInstance({label:"opaquePassColor"}),t.colorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const n=t.colorTexture.createView("opaquePassColorTexture");t.renderEncoder.setColorTextureView(0,n),t.depthFormat="depth32float",t.depthTexture=Dy.newInstance({label:"opaquePassDepth"}),t.depthTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:t.depthFormat,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const a=t.depthTexture.createView("opaquePassDepthTexture");t.renderEncoder.setDepthTextureView(a)}t.renderEncoder.attachTextureViews(),e.setCurrentOperation("opaquePass"),n.setRenderEncoder(t.renderEncoder),n.traverse(e)},e.getColorTextureView=()=>t.renderEncoder.getColorTextureViews()[0],e.getDepthTextureView=()=>t.renderEncoder.getDepthTextureView(),e.createRenderEncoder=()=>{t.renderEncoder=HC.newInstance({label:"OpaquePass"}),t.renderEncoder.setPipelineHash("op")}}const KC={renderEncoder:null,colorTexture:null,depthTexture:null};function $C(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,KC,n),eC.extend(e,t,n),jt.get(e,t,["colorTexture","depthTexture"]),jC(e,t)}var qC={newInstance:jt.newInstance($C,"vtkWebGPUOpaquePass"),extend:$C};function XC(e,t){t.classHierarchy.push("vtkWebGPUOrderIndependentTranslucentPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.translucentRenderEncoder)t.translucentColorTexture.resizeToMatch(t.colorTextureView.getTexture()),t.translucentAccumulateTexture.resizeToMatch(t.colorTextureView.getTexture());else{e.createRenderEncoder(),e.createFinalEncoder(),t.translucentColorTexture=Dy.newInstance({label:"translucentPassColor"}),t.translucentColorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const n=t.translucentColorTexture.createView("oitpColorTexture");t.translucentRenderEncoder.setColorTextureView(0,n),t.translucentAccumulateTexture=Dy.newInstance({label:"translucentPassAccumulate"}),t.translucentAccumulateTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const a=t.translucentAccumulateTexture.createView("oitpAccumTexture");t.translucentRenderEncoder.setColorTextureView(1,a),t.fullScreenQuad=kh.newInstance(),t.fullScreenQuad.setDevice(r.getDevice()),t.fullScreenQuad.setPipelineHash("oitpfsq"),t.fullScreenQuad.setTextureViews(t.translucentRenderEncoder.getColorTextureViews()),t.fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var tcoord: vec2 = vec2(i32(input.fragPos.x), i32(input.fragPos.y));\n var reveal: f32 = textureLoad(oitpAccumTexture, tcoord, 0).r;\n if (reveal == 1.0) { discard; }\n var tcolor: vec4 = textureLoad(oitpColorTexture, tcoord, 0);\n var total: f32 = max(tcolor.a, 0.01);\n var computedColor: vec4 = vec4(tcolor.r/total, tcolor.g/total, tcolor.b/total, 1.0 - reveal);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n")}t.translucentRenderEncoder.setDepthTextureView(t.depthTextureView),t.translucentRenderEncoder.attachTextureViews(),e.setCurrentOperation("translucentPass"),n.setRenderEncoder(t.translucentRenderEncoder),n.traverse(e),e.finalPass(r,n)},e.finalPass=(e,n)=>{t.translucentFinalEncoder.setColorTextureView(0,t.colorTextureView),t.translucentFinalEncoder.attachTextureViews(),t.translucentFinalEncoder.begin(e.getCommandEncoder()),n.scissorAndViewport(t.translucentFinalEncoder),t.fullScreenQuad.prepareAndDraw(t.translucentFinalEncoder),t.translucentFinalEncoder.end()},e.getTextures=()=>[t.translucentColorTexture,t.translucentAccumulateTexture],e.createRenderEncoder=()=>{t.translucentRenderEncoder=HC.newInstance({label:"translucentRender"});const e=t.translucentRenderEncoder.getDescription();e.colorAttachments=[{view:void 0,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:void 0,clearValue:[1,0,0,0],loadOp:"clear",storeOp:"store"}],e.depthStencilAttachment={view:void 0,depthLoadOp:"load",depthStoreOp:"store"},t.translucentRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor"),t.addOutput("f32","outAccum"),t.addBuiltinInput("vec4","@builtin(position) fragPos");let n=t.getCode();n=ih.substitute(n,"//VTK::RenderEncoder::Impl",["var w: f32 = computedColor.a * pow(0.1 + input.fragPos.z, 2.0);","output.outColor = vec4(computedColor.rgb*w, w);","output.outAccum = computedColor.a;"]).result,t.setCode(n)})),t.translucentRenderEncoder.setPipelineHash("oitpr"),t.translucentRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!1,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one"},alpha:{srcfactor:"one",dstFactor:"one"}}},{format:"r16float",blend:{color:{srcFactor:"zero",dstFactor:"one-minus-src"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createFinalEncoder=()=>{t.translucentFinalEncoder=HC.newInstance({label:"translucentFinal"}),t.translucentFinalEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t.translucentFinalEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor"),t.addBuiltinInput("vec4","@builtin(position) fragPos");let n=t.getCode();n=ih.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t.translucentFinalEncoder.setPipelineHash("oitpf"),t.translucentFinalEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})}}const YC={colorTextureView:null,depthTextureView:null};function ZC(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,YC,n),eC.extend(e,t,n),jt.setGet(e,t,["colorTextureView","depthTextureView"]),XC(e,t)}var QC={newInstance:jt.newInstance(ZC,"vtkWebGPUOrderIndependentTranslucentPass"),extend:ZC};const JC="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Volume::TraverseDec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\nfn getTextureValue(vTex: texture_3d, tpos: vec4) -> f32\n{\n // todo multicomponent support\n return textureSampleLevel(vTex, clampSampler, tpos.xyz, 0.0).r;\n}\n\nfn getGradient(vTex: texture_3d, tpos: vec4, vNum: i32, scalar: f32) -> vec4\n{\n var result: vec4;\n\n var tstep: vec4 = volumeSSBO.values[vNum].tstep;\n result.x = getTextureValue(vTex, tpos + vec4(tstep.x, 0.0, 0.0, 1.0)) - scalar;\n result.y = getTextureValue(vTex, tpos + vec4(0.0, tstep.y, 0.0, 1.0)) - scalar;\n result.z = getTextureValue(vTex, tpos + vec4(0.0, 0.0, tstep.z, 1.0)) - scalar;\n result.w = 0.0;\n\n // divide by spacing as that is our delta\n result = result / volumeSSBO.values[vNum].spacing;\n // now we have a gradient in unit tcoords\n\n var grad: f32 = length(result.xyz);\n if (grad > 0.0)\n {\n // rotate to View Coords, needed for lighting and shading\n var nMat: mat4x4 = rendererUBO.SCVCMatrix * volumeSSBO.values[vNum].planeNormals;\n result = nMat * result;\n result = result / length(result);\n }\n\n // store gradient magnitude in .w\n result.w = grad;\n\n return result;\n}\n\nfn processVolume(vTex: texture_3d, vNum: i32, cNum: i32, posSC: vec4, tfunRows: f32) -> vec4\n{\n var outColor: vec4 = vec4(0.0, 0.0, 0.0, 0.0);\n\n // convert to tcoords and reject if outside the volume\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*posSC;\n if (tpos.x < 0.0 || tpos.y < 0.0 || tpos.z < 0.0 ||\n tpos.x > 1.0 || tpos.y > 1.0 || tpos.z > 1.0) { return outColor; }\n\n var scalar: f32 = getTextureValue(vTex, tpos);\n\n var coord: vec2 =\n vec2(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n (0.5 + 2.0 * f32(vNum)) / tfunRows);\n var color: vec4 = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n\n var gofactor: f32 = 1.0;\n var normal: vec4 = vec4(0.0,0.0,0.0,0.0);\n if (componentSSBO.values[cNum].gomin < 1.0 || volumeSSBO.values[vNum].shade[0] > 0.0)\n {\n normal = getGradient(vTex, tpos, vNum, scalar);\n if (componentSSBO.values[cNum].gomin < 1.0)\n {\n gofactor = clamp(normal.a*componentSSBO.values[cNum].goScale + componentSSBO.values[cNum].goShift,\n componentSSBO.values[cNum].gomin, componentSSBO.values[cNum].gomax);\n }\n }\n\n coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n\n if (volumeSSBO.values[vNum].shade[0] > 0.0)\n {\n color = color*abs(normal.z);\n }\n\n outColor = vec4(color.rgb, gofactor * opacity);\n\n return outColor;\n}\n\n// adjust the start and end point of a raycast such that it intersects the unit cube.\n// This function is used to take a raycast starting point and step vector\n// and numSteps and return the startijng and ending steps for intersecting the\n// unit cube. Recall for a 3D texture, the unit cube is the range of texture coordsinates\n// that have valid values. So this funtion can be used to take a ray in texture coordinates\n// and bound it to intersecting the texture.\n//\nfn adjustBounds(tpos: vec4, tstep: vec4, numSteps: f32) -> vec2\n{\n var result: vec2 = vec2(0.0, numSteps);\n var tpos2: vec4 = tpos + tstep*numSteps;\n\n // move tpos to the start of the volume\n var adjust: f32 =\n min(\n max(tpos.x/tstep.x, (tpos.x - 1.0)/tstep.x),\n min(\n max((tpos.y - 1.0)/tstep.y, tpos.y/tstep.y),\n max((tpos.z - 1.0)/tstep.z, tpos.z/tstep.z)));\n if (adjust < 0.0)\n {\n result.x = result.x - adjust;\n }\n\n // adjust length to the end\n adjust =\n max(\n min(tpos2.x/tstep.x, (tpos2.x - 1.0)/tstep.x),\n max(\n min((tpos2.y - 1.0)/tstep.y, tpos2.y/tstep.y),\n min((tpos2.z - 1.0)/tstep.z, tpos2.z/tstep.z)));\n if (adjust > 0.0)\n {\n result.y = result.y - adjust;\n }\n\n return result;\n}\n\nfn getSimpleColor(scalar: f32, vNum: i32, cNum: i32) -> vec4\n{\n // how many rows (tfuns) do we have in our tfunTexture\n var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n var coord: vec2 =\n vec2(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n (0.5 + 2.0 * f32(vNum)) / tfunRows);\n var color: vec4 = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n return vec4(color.rgb, opacity);\n}\n\nfn traverseMax(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var maxVal: f32 = -1.0e37;\n loop\n {\n var scalar: f32 = getTextureValue(vTex, tpos);\n if (scalar > maxVal)\n {\n maxVal = scalar;\n }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(maxVal, vNum, cNum);\n}\n\nfn traverseMin(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var minVal: f32 = 1.0e37;\n loop\n {\n var scalar: f32 = getTextureValue(vTex, tpos);\n if (scalar < minVal)\n {\n minVal = scalar;\n }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(minVal, vNum, cNum);\n}\n\nfn traverseAverage(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n let ipRange: vec4 = volumeSSBO.values[vNum].ipScalarRange;\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var avgVal: f32 = 0.0;\n var sampleCount: f32 = 0.0;\n loop\n {\n var sample: f32 = getTextureValue(vTex, tpos);\n // right now leave filtering off until WebGL changes get merged\n // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n // {\n avgVal = avgVal + sample;\n sampleCount = sampleCount + 1.0;\n // }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n if (sampleCount <= 0.0)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(avgVal/sampleCount, vNum, cNum);\n}\n\nfn traverseAdditive(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n let ipRange: vec4 = volumeSSBO.values[vNum].ipScalarRange;\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var sumVal: f32 = 0.0;\n loop\n {\n var sample: f32 = getTextureValue(vTex, tpos);\n // right now leave filtering off until WebGL changes get merged\n // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n // {\n sumVal = sumVal + sample;\n // }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(sumVal, vNum, cNum);\n}\n\nfn composite(rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4) -> vec4\n{\n // initial ray position is at the beginning\n var rayPosSC: vec4 = minPosSC;\n\n // how many rows (tfuns) do we have in our tfunTexture\n var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n var curDist: f32 = 0.0;\n var computedColor: vec4 = vec4(0.0, 0.0, 0.0, 0.0);\n var sampleColor: vec4;\n//VTK::Volume::TraverseCalls\n\n loop\n {\n // for each volume, sample and accumulate color\n//VTK::Volume::CompositeCalls\n\n // increment position\n curDist = curDist + mapperUBO.SampleDistance;\n rayPosSC = rayPosSC + rayStepSC;\n\n // check if we have reached a terminating condition\n if (curDist > rayLengthSC) { break; }\n if (computedColor.a > 0.98) { break; }\n }\n return computedColor;\n}\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var rayMax: f32 = textureSampleLevel(maxTexture, clampSampler, input.tcoordVS, 0.0).r;\n var rayMin: f32 = textureSampleLevel(minTexture, clampSampler, input.tcoordVS, 0.0).r;\n\n // discard empty rays\n if (rayMax <= rayMin) { discard; }\n else\n {\n // compute start and end ray positions in view coordinates\n var minPosSC: vec4 = rendererUBO.PCSCMatrix*vec4(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMax, 1.0);\n minPosSC = minPosSC * (1.0 / minPosSC.w);\n var maxPosSC: vec4 = rendererUBO.PCSCMatrix*vec4(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMin, 1.0);\n maxPosSC = maxPosSC * (1.0 / maxPosSC.w);\n\n var rayLengthSC: f32 = distance(minPosSC.xyz, maxPosSC.xyz);\n var rayStepSC: vec4 = (maxPosSC - minPosSC)*(mapperUBO.SampleDistance/rayLengthSC);\n rayStepSC.w = 0.0;\n\n var computedColor: vec4;\n\n//VTK::Volume::Loop\n\n//VTK::RenderEncoder::Impl\n }\n\n return output;\n}\n",eS=new Float64Array(16),tS=new Float64Array(16);function nS(e,t){t.classHierarchy.push("vtkWebGPUVolumePassFSQ"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position");let o=r.getCode();o=ih.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4(vertexBC, 1.0);"]).result,r.setCode(o),t.getShaderDescription("fragment").addBuiltinInput("vec4","@builtin(position) fragPos")},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderVolume=(e,n,r)=>{const o=n.getShaderDescription("fragment");let a=o.getCode();const i=[],s=[];for(let e=0;e(\n sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n (1.0 - computedColor.a)*sampleColor.a + computedColor.a);")):(s.push(` sampleColor = traverseVals[${e}];`),s.push(" computedColor = vec4(\n sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n (1.0 - computedColor.a)*sampleColor.a + computedColor.a);"));a=ih.substitute(a,"//VTK::Volume::CompositeCalls",i).result,a=ih.substitute(a,"//VTK::Volume::TraverseCalls",s).result,a=ih.substitute(a,"//VTK::Volume::TraverseDec",[`var traverseVals: array,${t.volumes.length}>;`]).result;let l=!1;for(let e=0;e{let r=e.getMTime();for(let e=0;e{let r=Math.max(e.getMTime(),t.WebGPURenderer.getStabilizedTime());for(let e=0;e"),t.SSBO.addEntry("planeNormals","mat4x4"),t.SSBO.addEntry("shade","vec4"),t.SSBO.addEntry("tstep","vec4"),t.SSBO.addEntry("spacing","vec4"),t.SSBO.addEntry("ipScalarRange","vec4"),t.SSBO.setAllInstancesFromArray("SCTCMatrix",a),t.SSBO.setAllInstancesFromArray("planeNormals",i),t.SSBO.setAllInstancesFromArray("shade",l),t.SSBO.setAllInstancesFromArray("tstep",s),t.SSBO.setAllInstancesFromArray("spacing",c),t.SSBO.setAllInstancesFromArray("ipScalarRange",u),t.SSBO.send(n),t.componentSSBO.clearData(),t.componentSSBO.setNumberOfInstances(t.numRows);const d=new Float64Array(t.numRows),p=new Float64Array(t.numRows),f=new Float64Array(t.numRows),v=new Float64Array(t.numRows),y=new Float64Array(t.numRows),C=new Float64Array(t.numRows),S=new Float64Array(t.numRows),A=new Float64Array(t.numRows);let P=0;for(let e=0;e{n();let r=t.volumes[0].getRenderable().getMapper().getSampleDistance();for(let e=0;e{t.pipelineHash="volfsq";for(let e=0;e{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r{const e=r();return e.push(t.componentSSBO),e.push(t.clampSampler),e}}const rS={volumes:null,rowLength:1024,lastVolumeLength:0};function oS(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,rS,n),kh.extend(e,t,n),t.fragmentShaderTemplate=JC,t.UBO=Pv.newInstance({label:"mapperUBO"}),t.UBO.addEntry("SampleDistance","f32"),t.SSBO=bv.newInstance({label:"volumeSSBO"}),t.componentSSBO=bv.newInstance({label:"componentSSBO"}),t.lutBuildTime={},jt.obj(t.lutBuildTime,{mtime:0}),nS(e,t)}var aS={newInstance:jt.newInstance(oS,"vtkWebGPUVolumePassFSQ"),extend:oS};const{Representation:iS}=xs,{BufferUsage:sS,PrimitiveTypes:lS}=fv,cS=[[0,4,6],[0,6,2],[1,3,7],[1,7,5],[0,5,4],[0,1,5],[2,6,7],[2,7,3],[0,3,1],[0,2,3],[4,5,7],[4,7,6]],uS="\n//VTK::Renderer::Dec\n\n//VTK::Select::Dec\n\n//VTK::VolumePass::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output : fragmentOutput;\n\n //VTK::Select::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::VolumePass::Impl\n\n // use the maximum (closest) of the current value and the zbuffer\n // the blend func will then take the min to find the farthest stop value\n var stopval: f32 = max(input.fragPos.z, textureLoad(opaquePassDepthTexture, vec2(i32(input.fragPos.x), i32(input.fragPos.y)), 0));\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n";function dS(e,t){t.classHierarchy.push("vtkWebGPUVolumePass"),e.initialize=n=>{t._clearEncoder||e.createClearEncoder(n),t._mergeEncoder||e.createMergeEncoder(n),t._copyEncoder||e.createCopyEncoder(n),t._depthRangeEncoder||e.createDepthRangeEncoder(n),t.fullScreenQuad||(t.fullScreenQuad=aS.newInstance(),t.fullScreenQuad.setDevice(n.getDevice()),t.fullScreenQuad.setTextureViews([...t._depthRangeEncoder.getColorTextureViews()])),t._volumeCopyQuad||(t._volumeCopyQuad=kh.newInstance(),t._volumeCopyQuad.setPipelineHash("volpassfsq"),t._volumeCopyQuad.setDevice(n.getDevice()),t._volumeCopyQuad.setFragmentShaderTemplate("\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = textureSample(volumePassColorTexture,\n volumePassColorTextureSampler, mapperUBO.tscale*input.tcoordVS);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n"),t._copyUBO=Pv.newInstance({label:"mapperUBO"}),t._copyUBO.addEntry("tscale","vec2"),t._volumeCopyQuad.setUBO(t._copyUBO),t._volumeCopyQuad.setTextureViews([t._colorTextureView]))},e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r,e.initialize(r),e.computeTiming(r),e.renderDepthBounds(n,r),t._firstGroup=!0;const o=r.getDevice(),a=o.getHandle().limits.maxSampledTexturesPerShaderStage-4;if(t.volumes.length>a){const o=n.getRenderable().getActiveCamera().getPosition(),i=[];for(let e=0;ei[t]-i[e]));let l=[],c=s.length%a;for(let o=0;o=c&&(e.rayCastPass(r,n,l),l=[],c=a,t._firstGroup=!1)}else e.rayCastPass(r,n,t.volumes);if(t._volumeCopyQuad.setWebGPURenderer(n),t._useSmallViewport){const e=t._colorTextureView.getTexture().getWidth(),n=t._colorTextureView.getTexture().getHeight();t._copyUBO.setArray("tscale",[t._smallViewportWidth/e,t._smallViewportHeight/n])}else t._copyUBO.setArray("tscale",[1,1]);t._copyUBO.sendIfNeeded(o),t._copyEncoder.setColorTextureView(0,t.colorTextureView),t._copyEncoder.attachTextureViews(),t._copyEncoder.begin(r.getCommandEncoder()),n.scissorAndViewport(t._copyEncoder),t._volumeCopyQuad.prepareAndDraw(t._copyEncoder),t._copyEncoder.end()},e.delete=jt.chain((()=>{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.computeTiming=e=>{const n=e.getRenderable().getInteractor();if(null==t._lastScale){const e=t.volumes[0].getRenderable().getMapper();t._lastScale=e.getInitialInteractionScale()||1}t._useSmallViewport=!1,n.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._colorTexture.resize(e.getCanvas().width,e.getCanvas().height),t._animationRateSubscription||(t._animationRateSubscription=n.onAnimationFrameRateUpdate((()=>{const e=t.volumes[0].getRenderable().getMapper();if(e.getAutoAdjustSampleDistances()){const e=n.getRecentAnimationFrameRate(),r=t._lastScale*n.getDesiredUpdateRate()/e;t._lastScale=r,t._lastScale>400&&(t._lastScale=400)}else t._lastScale=e.getImageSampleDistance()*e.getImageSampleDistance();t._lastScale<1.5&&(t._lastScale=1.5)})))},e.rayCastPass=(e,n,r)=>{const o=t._firstGroup?t._clearEncoder:t._mergeEncoder;o.attachTextureViews(),o.begin(e.getCommandEncoder());let a=t._colorTextureView.getTexture().getWidth(),i=t._colorTextureView.getTexture().getHeight();if(t._useSmallViewport){const n=e.getCanvas(),r=1/Math.sqrt(t._lastScale);t._smallViewportWidth=Math.ceil(r*n.width),t._smallViewportHeight=Math.ceil(r*n.height),a=t._smallViewportWidth,i=t._smallViewportHeight}o.getHandle().setViewport(0,0,a,i,0,1),o.getHandle().setScissorRect(0,0,a,i),t.fullScreenQuad.setWebGPURenderer(n),t.fullScreenQuad.setVolumes(r),t.fullScreenQuad.prepareAndDraw(o),o.end()},e.renderDepthBounds=(n,r)=>{e.updateDepthPolyData(n);const o=t._boundsPoly,a=o.getPoints(),i=o.getPolys();let s={hash:`vp${i.getMTime()}`,usage:sS.Index,cells:i,numberOfPoints:a.getNumberOfPoints(),primitiveType:lS.Triangles,representation:iS.SURFACE};const l=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().setIndexBuffer(l),s={usage:sS.PointArray,format:"float32x4",hash:`vp${a.getMTime()}${i.getMTime()}`,dataArray:a,indexBuffer:l,packExtra:!0};const c=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().addBuffer(c,["vertexBC"]),t._mapper.setNumberOfVertices(c.getSizeInBytes()/c.getStrideInBytes()),e.drawDepthRange(n,r)},e.updateDepthPolyData=e=>{let n=!1;for(let e=0;e{t._depthRangeTexture.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeTexture2.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeEncoder.attachTextureViews(),e.setCurrentOperation("volumeDepthRangePass"),n.setRenderEncoder(t._depthRangeEncoder),n.volumeDepthRangePass(!0),t._mapper.setWebGPURenderer(n),t._mapper.prepareToDraw(t._depthRangeEncoder),t._mapper.registerDrawCallback(t._depthRangeEncoder),n.volumeDepthRangePass(!1)},e.createDepthRangeEncoder=e=>{const n=e.getDevice();t._depthRangeEncoder=HC.newInstance({label:"VolumePass DepthRange"}),t._depthRangeEncoder.setPipelineHash("volr"),t._depthRangeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor1"),t.addOutput("vec4","outColor2");let n=t.getCode();n=ih.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor1 = vec4(input.fragPos.z, 0.0, 0.0, 0.0);","output.outColor2 = vec4(stopval, 0.0, 0.0, 0.0);"]).result,t.setCode(n)})),t._depthRangeEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:null,clearValue:[1,1,1,1],loadOp:"clear",storeOp:"store"}]}),t._depthRangeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"max"},alpha:{srcfactor:"one",dstFactor:"one",operation:"max"}}},{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"min"},alpha:{srcfactor:"one",dstFactor:"one",operation:"min"}}}]}}),t._depthRangeTexture=Dy.newInstance({label:"volumePassMaxDepth"}),t._depthRangeTexture.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const r=t._depthRangeTexture.createView("maxTexture");t._depthRangeEncoder.setColorTextureView(0,r),t._depthRangeTexture2=Dy.newInstance({label:"volumePassDepthMin"}),t._depthRangeTexture2.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const o=t._depthRangeTexture2.createView("minTexture");t._depthRangeEncoder.setColorTextureView(1,o),t._mapper.setDevice(e.getDevice()),t._mapper.setTextureViews([t.depthTextureView])},e.createClearEncoder=e=>{t._colorTexture=Dy.newInstance({label:"volumePassColor"}),t._colorTexture.create(e.getDevice(),{width:e.getCanvas().width,height:e.getCanvas().height,format:"bgra8unorm",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC}),t._colorTextureView=t._colorTexture.createView("volumePassColorTexture"),t._colorTextureView.addSampler(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._clearEncoder=HC.newInstance({label:"VolumePass Clear"}),t._clearEncoder.setColorTextureView(0,t._colorTextureView),t._clearEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"}]}),t._clearEncoder.setPipelineHash("volpf"),t._clearEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createCopyEncoder=e=>{t._copyEncoder=HC.newInstance({label:"volumePassCopy"}),t._copyEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._copyEncoder.setPipelineHash("volcopypf"),t._copyEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createMergeEncoder=e=>{t._mergeEncoder=HC.newInstance({label:"volumePassMerge"}),t._mergeEncoder.setColorTextureView(0,t._colorTextureView),t._mergeEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._mergeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=ih.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t._mergeEncoder.setPipelineHash("volpf"),t._mergeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.setVolumes=n=>{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,pS,n),eC.extend(e,t,n),t._mapper=Dh.newInstance(),t._mapper.setFragmentShaderTemplate(uS),t._mapper.getShaderReplacements().set("replaceShaderVolumePass",((e,t,n)=>{t.getShaderDescription("fragment").addBuiltinInput("vec4","@builtin(position) fragPos")})),t._boundsPoly=Pu.newInstance(),t._lastMTimes=[],jt.setGet(e,t,["colorTextureView","depthTextureView"]),dS(e,t)}var gS={newInstance:jt.newInstance(fS,"vtkWebGPUVolumePass"),extend:fS};function mS(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e),t.opaquePass||(t.opaquePass=qC.newInstance());const o=n.getRenderable().getNumberOfLayers(),a=n.getChildren();for(let r=0;r0&&(t.translucentPass||(t.translucentPass=QC.newInstance()),t.translucentPass.setColorTextureView(t.opaquePass.getColorTextureView()),t.translucentPass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.translucentPass.traverse(i,n)),t.volumes.length>0&&(t.volumePass||(t.volumePass=gS.newInstance()),t.volumePass.setColorTextureView(t.opaquePass.getColorTextureView()),t.volumePass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.volumePass.setVolumes(t.volumes),t.volumePass.traverse(i,n)),e.finalPass(n,i))}},e.finalPass=(n,r)=>{t._finalBlitEncoder||e.createFinalBlitEncoder(n),t._finalBlitOutputTextureView.createFromTextureHandle(n.getCurrentTexture(),{depth:1,format:n.getPresentationFormat()}),t._finalBlitEncoder.attachTextureViews(),t._finalBlitEncoder.begin(n.getCommandEncoder()),r.scissorAndViewport(t._finalBlitEncoder),t._fullScreenQuad.prepareAndDraw(t._finalBlitEncoder),t._finalBlitEncoder.end()},e.createFinalBlitEncoder=e=>{t._finalBlitEncoder=HC.newInstance({label:"forwardPassBlit"}),t._finalBlitEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._finalBlitEncoder.setPipelineHash("fpf"),t._finalBlitEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:e.getPresentationFormat(),blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}}),t._fsqSampler=Ay.newInstance({label:"finalPassSampler"}),t._fsqSampler.create(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._fullScreenQuad=kh.newInstance(),t._fullScreenQuad.setDevice(e.getDevice()),t._fullScreenQuad.setPipelineHash("fpfsq"),t._fullScreenQuad.setTextureViews([t.opaquePass.getColorTextureView()]),t._fullScreenQuad.setAdditionalBindables([t._fsqSampler]),t._fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = clamp(textureSampleLevel(opaquePassColorTexture, finalPassSampler, input.tcoordVS, 0),vec4(0.0),vec4(1.0));\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n"),t._finalBlitOutputTextureView=Oy.newInstance(),t._finalBlitEncoder.setColorTextureView(0,t._finalBlitOutputTextureView)},e.incrementOpaqueActorCount=()=>t.opaqueActorCount++,e.incrementTranslucentActorCount=()=>t.translucentActorCount++,e.addVolume=e=>{t.volumes.push(e)}}const hS={opaqueActorCount:0,translucentActorCount:0,volumes:null,opaqueRenderEncoder:null,translucentPass:null,volumePass:null};function vS(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,hS,n),eC.extend(e,t,n),jt.setGet(e,t,["opaquePass","translucentPass","volumePass"]),mS(e,t)}var yS={newInstance:jt.newInstance(vS,"vtkForwardPass"),extend:vS};const{VtkDataTypes:bS}=Us;function xS(e,t){function n(e){if(e.imageData){e.dataArray=e.imageData.getPointData().getScalars(),e.time=e.dataArray.getMTime(),e.nativeArray=e.dataArray.getData();const t=e.imageData.getDimensions();switch(e.width=t[0],e.height=t[1],e.depth=t[2],e.dataArray.getNumberOfComponents()){case 1:e.format="r";break;case 2:e.format="rg";break;default:e.format="rgba"}switch(e.dataArray.getDataType()){case bS.UNSIGNED_CHAR:e.format+="8unorm";break;case bS.FLOAT:case bS.UNSIGNED_INT:case bS.INT:case bS.DOUBLE:case bS.UNSIGNED_SHORT:case bS.SHORT:default:e.format+="16float"}}e.image&&(e.width=e.image.width,e.height=e.image.height,e.depth=1,e.format="rgba8unorm"),e.jsImageData&&(e.width=e.jsImageData.width,e.height=e.jsImageData.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.nativeArray=e.jsImageData.data),e.canvas&&(e.width=e.canvas.width,e.height=e.canvas.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.usage=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.RENDER_ATTACHMENT)}function r(e){const n=Dy.newInstance();return n.create(t.device,{width:e.width,height:e.height,depth:e.depth,format:e.format,usage:e.usage,mipLevel:e.mipLevel}),(e.nativeArray||e.image||e.canvas)&&n.writeImageData(e),n}t.classHierarchy.push("vtkWebGPUTextureManager"),e.getTexture=e=>e.hash?t.device.getCachedObject(e.hash,r,e):r(e),e.getTextureForImageData=e=>{const r={time:e.getMTime()};return r.imageData=e,n(r),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)},e.getTextureForVTKTexture=e=>{const r={time:e.getMTime()};return e.getInputData()?r.imageData=e.getInputData():e.getImage()?r.image=e.getImage():e.getJsImageData()?r.jsImageData=e.getJsImageData():e.getCanvas()&&(r.canvas=e.getCanvas()),n(r),r.mipLevel=e.getMipLevel(),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)}}const TS={handle:null,device:null};function CS(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,TS,n),jt.obj(e,t),jt.setGet(e,t,["device"]),xS(e,t)}var SS={newInstance:jt.newInstance(CS),extend:CS};class AS extends Map{constructor(){super(),this.registry=new FinalizationRegistry((e=>{const t=super.get(e);t&&t.deref&&void 0===t.deref()&&super.delete(e)}))}getValue(e){const t=super.get(e);if(t){const n=t.deref();if(void 0!==n)return n;super.delete(e)}}setValue(e,t){let n;return t&&"object"==typeof t&&(n=new WeakRef(t),this.registry.register(t,e),super.set(e,n)),n}}function PS(e,t){t.classHierarchy.push("vtkWebGPUDevice"),e.initialize=e=>{t.handle=e},e.createCommandEncoder=()=>t.handle.createCommandEncoder(),e.submitCommandEncoder=e=>{t.handle.queue.submit([e.finish()])},e.getShaderModule=e=>t.shaderCache.getShaderModule(e),e.getBindGroupLayout=e=>{if(!e.entries)return null;for(let t=0;t{for(let n=0;ne in t.pipelines?t.pipelines[e]:null,e.createPipeline=(n,r)=>{r.initialize(e,n),t.pipelines[n]=r},e.onSubmittedWorkDone=()=>t.handle.queue.onSubmittedWorkDone(),e.hasCachedObject=e=>t.objectCache.getValue(e),e.getCachedObject=function(e,n){if(!e)return vtkErrorMacro("attempt to cache an object without a hash"),null;const r=t.objectCache.getValue(e);if(r)return r;for(var o=arguments.length,a=new Array(o>2?o-2:0),i=2;i2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,IS,n),yt(e,t),At(e,t,["handle"]),xt(e,t,["bufferManager","shaderCache","textureManager"]),t.objectCache=new AS,t.shaderCache=ih.newInstance(),t.shaderCache.setDevice(e),t.bindGroupLayouts=[],t.bufferManager=fv.newInstance(),t.bufferManager.setDevice(e),t.textureManager=SS.newInstance(),t.textureManager.setDevice(e),t.pipelines={},PS(e,t)}var OS={newInstance:Et(wS,"vtkWebGPUDevice"),extend:wS};function MS(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelectionPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=null,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getDevice();if(t.selectionRenderEncoder)t.colorTexture.resize(n.getCanvas().width,n.getCanvas().height),t.depthTexture.resizeToMatch(t.colorTexture);else{e.createRenderEncoder(),t.colorTexture=Dy.newInstance({label:"hardwareSelectorColor"}),t.colorTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"rgba32uint",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const r=t.colorTexture.createView("hardwareSelectColorTexture");t.selectionRenderEncoder.setColorTextureView(0,r),t.depthTexture=Dy.newInstance({label:"hardwareSelectorDepth"}),t.depthTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"depth32float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const a=t.depthTexture.createView("hardwareSelectDepthTexture");t.selectionRenderEncoder.setDepthTextureView(a)}t.selectionRenderEncoder.attachTextureViews(),r.setRenderEncoder(t.selectionRenderEncoder),e.setCurrentOperation("cameraPass"),r.traverse(e),e.setCurrentOperation("opaquePass"),r.traverse(e)},e.createRenderEncoder=()=>{t.selectionRenderEncoder=HC.newInstance({label:"HardwareSelectionPass"}),t.selectionRenderEncoder.setPipelineHash("sel"),t.selectionRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=ih.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(mapperUBO.PropID, compositeID, 0u, 0u);"]).result,t.setCode(n)})),t.selectionRenderEncoder.getDescription().colorAttachments[0].clearValue=[0,0,0,0],t.selectionRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba32uint",blend:void 0}]}})}}const RS={selectionRenderEncoder:null,colorTexture:null,depthTexture:null};function VS(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,RS,n),eC.extend(e,t,n),jt.get(e,t,["colorTexture","depthTexture"]),MS(e,t)}var ES={newInstance:jt.newInstance(VS,"vtkWebGPUHardwareSelectionPass"),extend:VS};const{SelectionContent:DS,SelectionField:LS}=sf,{FieldAssociations:BS}=gl,{vtkErrorMacro:NS}=jt;function kS(e){return`${e.propID} ${e.compositeID}`}function FS(e,t,n,r){const o=4*((n.height-t-1)*n.colorBufferWidth+e)+r;return n.colorValues[o]}function _S(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]<0||t[0]>=e.width||t[1]<0||t[1]>=e.height)return null;const n=FS(t[0],t[1],e,0);if(n<=0)return null;const o={};o.propID=n;let a=FS(t[0],t[1],e,1);if((a<0||a>16777215)&&(a=0),o.compositeID=a,e.captureZValues){const n=(e.height-t[1]-1)*e.zbufferBufferWidth+t[0];o.zValue=e.depthValues[n],o.zValue=e.webGPURenderer.convertToOpenGLDepth(o.zValue),o.displayPosition=t}return o}const a=[t[0],t[1]],i=[0,0];let s=_S(e,t,0,r);if(s)return s;for(let t=1;tt?a[1]-t:0;n<=a[1]+t;++n){if(i[1]=n,a[0]>=t&&(i[0]=a[0]-t,s=_S(e,i,0,r),s))return s;if(i[0]=a[0]+t,s=_S(e,i,0,r),s)return s}for(let n=a[0]>=t?a[0]-(t-1):0;n<=a[0]+(t-1);++n){if(i[0]=n,a[1]>=t&&(i[1]=a[1]-t,s=_S(e,i,0,r),s))return s;if(i[1]=a[1]+t,s=_S(e,i,0,r),s)return s}}return r[0]=t[0],r[1]=t[1],null}function GS(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelector"),e.endSelection=()=>{t.WebGPURenderer.setSelector(null)},e.getSourceDataAsync=async e=>{if(!e||!t._WebGPURenderWindow)return NS("Renderer and view must be set before calling Select."),!1;t._WebGPURenderWindow.getRenderable().preRender(),t._WebGPURenderWindow.getInitialized()||(t._WebGPURenderWindow.initialize(),await new Promise((e=>{t._WebGPURenderWindow.onInitialized(e)})));const n=t._WebGPURenderWindow.getViewNodeFor(e);if(!n)return!1;const r=n.getSuppressClear();n.setSuppressClear(!0),t._selectionPass.traverse(t._WebGPURenderWindow,n),n.setSuppressClear(r);const o=t._WebGPURenderWindow.getDevice(),a=t._selectionPass.getColorTexture(),i=t._selectionPass.getDepthTexture(),s={area:[0,0,a.getWidth()-1,a.getHeight()-1],captureZValues:t.captureZValues,fieldAssociation:t.fieldAssociation,renderer:e,webGPURenderer:n,webGPURenderWindow:t._WebGPURenderWindow,width:a.getWidth(),height:a.getHeight()};s.colorBufferWidth=16*Math.floor((s.width+15)/16),s.colorBufferSizeInBytes=s.colorBufferWidth*s.height*4*4;const l=zh.newInstance({label:"hardwareSelectColorBuffer"});l.setDevice(o),l.create(s.colorBufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST);const c=t._WebGPURenderWindow.getCommandEncoder();let u;c.copyTextureToBuffer({texture:a.getHandle()},{buffer:l.getHandle(),bytesPerRow:16*s.colorBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1}),t.captureZValues&&(s.zbufferBufferWidth=64*Math.floor((s.width+63)/64),u=zh.newInstance({label:"hardwareSelectDepthBuffer"}),u.setDevice(o),s.zbufferSizeInBytes=s.height*s.zbufferBufferWidth*4,u.create(s.zbufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST),c.copyTextureToBuffer({texture:i.getHandle(),aspect:"depth-only"},{buffer:u.getHandle(),bytesPerRow:4*s.zbufferBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1})),o.submitCommandEncoder(c);const d=l.mapAsync(GPUMapMode.READ);if(t.captureZValues){const e=u.mapAsync(GPUMapMode.READ);await Promise.all([d,e]),s.depthValues=new Float32Array(u.getMappedRange().slice()),u.unmap()}else await d;return s.colorValues=new Uint32Array(l.getMappedRange().slice()),l.unmap(),s.generateSelection=(e,t,n,r)=>function(e,t,n,r,o){const a=Math.floor(t),i=Math.floor(n),s=Math.floor(r),l=Math.floor(o),c=new Map,u=[0,0];for(let t=i;t<=l;t++)for(let n=a;n<=s;n++){const r=_S(e,[n,t],0,u);if(r){const t=kS(r);if(c.has(t)){const n=c.get(t);n.pixelCount++,e.captureZValues&&r.zValue{const i=sf.newInstance();switch(i.setContentType(DS.INDICES),e){case BS.FIELD_ASSOCIATION_CELLS:i.setFieldType(LS.CELL);break;case BS.FIELD_ASSOCIATION_POINTS:i.setFieldType(LS.POINT);break;default:NS("Unknown field association")}i.getProperties().propID=t.info.propID;const s=n.webGPURenderer.getPropFromID(t.info.propID);i.getProperties().prop=s.getRenderable(),i.getProperties().compositeID=t.info.compositeID,i.getProperties().pixelCount=t.pixelCount,n.captureZValues&&(i.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],i.getProperties().worldPosition=n.webGPURenderWindow.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,n.renderer)),i.setSelectionList(t.attributeIDs),r[o]=i,o++})),r}(e.fieldAssociation,c,e)}(s,e,t,n,r),s}}const US={};function WS(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,US,n),Qp.extend(e,t,n),t._selectionPass=ES.newInstance(),jt.setGet(e,t,["_WebGPURenderWindow"]),jt.moveToProtected(e,t,["WebGPURenderWindow"]),GS(e,t)}var zS={newInstance:jt.newInstance(WS,"vtkWebGPUHardwareSelector"),extend:WS};const{vtkErrorMacro:HS}=jt,jS={position:"absolute",top:0,left:0,width:"100%",height:"100%"};function KS(e,t){t.classHierarchy.push("vtkWebGPURenderWindow"),e.getViewNodeFactory=()=>t.myFactory;const n=[0,0];e.onModified((function(){t.renderable&&(t.size[0]===n[0]&&t.size[1]===n[1]||(n[0]=t.size[0],n[1]=t.size[1],t.canvas.setAttribute("width",t.size[0]),t.canvas.setAttribute("height",t.size[1]),e.recreateSwapChain())),t.viewStream&&t.viewStream.setSize(t.size[0],t.size[1]),t.canvas.style.display=t.useOffScreen?"none":"block",t.el&&(t.el.style.cursor=t.cursorVisibility?t.cursor:"none"),t.containerSize=null})),e.recreateSwapChain=()=>{t.context&&(t.context.unconfigure(),t.presentationFormat=navigator.gpu.getPreferredCanvasFormat(t.adapter),t.context.configure({device:t.device.getHandle(),format:t.presentationFormat,alphaMode:"premultiplied",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_DST,width:t.size[0],height:t.size[1]}),t._configured=!0)},e.getCurrentTexture=()=>t.context.getCurrentTexture(),e.buildPass=n=>{if(n){if(!t.renderable)return;e.prepareNodes(),e.addMissingNodes(t.renderable.getRenderersByReference()),e.removeUnusedNodes(),e.initialize()}else t.initialized&&(t._configured||e.recreateSwapChain(),t.commandEncoder=t.device.createCommandEncoder())},e.initialize=()=>{if(!t.initializing){if(t.initializing=!0,!navigator.gpu)return void HS("WebGPU is not enabled.");e.create3DContextAsync().then((()=>{t.initialized=!0,t.deleted||e.invokeInitialized()}))}},e.setContainer=n=>{t.el&&t.el!==n&&(t.canvas.parentNode!==t.el&&HS("Error: canvas parent node does not match container"),t.el.removeChild(t.canvas),t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)),t.el!==n&&(t.el=n,t.el&&(t.el.appendChild(t.canvas),t.useBackgroundImage&&t.el.appendChild(t.bgImage)),e.modified())},e.getContainer=()=>t.el,e.getContainerSize=()=>{if(!t.containerSize&&t.el){const{width:e,height:n}=t.el.getBoundingClientRect();t.containerSize=[e,n]}return t.containerSize||t.size},e.getFramebufferSize=()=>t.size,e.create3DContextAsync=async()=>{t.adapter=await navigator.gpu.requestAdapter({powerPreference:"high-performance"}),t.deleted||(t.device=OS.newInstance(),t.device.initialize(await t.adapter.requestDevice()),t.deleted?t.device=null:t.context=t.canvas.getContext("webgpu"))},e.releaseGraphicsResources=()=>{const n=eC.newInstance();n.setCurrentOperation("Release"),n.traverse(e,null),t.adapter=null,t.device=null,t.context=null,t.initialized=!1,t.initializing=!1},e.setBackgroundImage=e=>{t.bgImage.src=e.src},e.setUseBackgroundImage=e=>{t.useBackgroundImage=e,t.useBackgroundImage&&!t.el.contains(t.bgImage)?t.el.appendChild(t.bgImage):!t.useBackgroundImage&&t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)},e.captureNextImage=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"image/png",{resetCamera:r=!1,size:o=null,scale:a=1}=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(t.deleted)return null;t.imageFormat=n;const i=t.notifyStartCaptureImage;return t.notifyStartCaptureImage=!0,t._screenshot={size:o||1!==a?o||t.size.map((e=>e*a)):null},new Promise(((n,o)=>{const a=e.onImageReady((o=>{if(null===t._screenshot.size)t.notifyStartCaptureImage=i,a.unsubscribe(),t._screenshot.placeHolder&&(t.size=t._screenshot.originalSize,e.modified(),t._screenshot.cameras&&t._screenshot.cameras.forEach((e=>{let{restoreParamsFn:t,arg:n}=e;return t(n)})),e.traverseAllPasses(),t.el.removeChild(t._screenshot.placeHolder),t._screenshot.placeHolder.remove(),t._screenshot=null),n(o);else{const n=document.createElement("img");if(n.style=jS,n.src=o,t._screenshot.placeHolder=t.el.appendChild(n),t.canvas.style.display="none",t._screenshot.originalSize=t.size,t.size=t._screenshot.size,t._screenshot.size=null,e.modified(),r){const e=!0!==r;t._screenshot.cameras=t.renderable.getRenderers().map((t=>{const n=t.getActiveCamera(),o=n.get("focalPoint","position","parallelScale");return{resetCameraArgs:e?{renderer:t}:void 0,resetCameraFn:e?r:t.resetCamera,restoreParamsFn:n.set,arg:JSON.parse(JSON.stringify(o))}})),t._screenshot.cameras.forEach((e=>{let{resetCameraFn:t,resetCameraArgs:n}=e;return t(n)}))}e.traverseAllPasses()}}))}))},e.traverseAllPasses=()=>{if(!t.deleted)if(t.initialized){if(t.renderPasses)for(let n=0;n{!async function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:t.imageFormat;const r=document.createElement("canvas"),o=r.getContext("2d");r.width=t.canvas.width,r.height=t.canvas.height;const a=await e.getPixelsAsync(),i=new ImageData(a.colorValues,a.width,a.height);o.putImageData(i,0,0);const s=t.canvas.getBoundingClientRect(),l=t.renderable;l.getRenderers().forEach((e=>{e.getViewProps().forEach((e=>{if(e.getContainer){const t=e.getContainer().getElementsByTagName("canvas");for(let e=0;e{t.unsubscribe(),e.traverseAllPasses()}))}},e.setViewStream=n=>t.viewStream!==n&&(t.subscription&&(t.subscription.unsubscribe(),t.subscription=null),t.viewStream=n,t.viewStream&&(t.renderable.getRenderers()[0].getBackgroundByReference()[3]=0,e.setUseBackgroundImage(!0),t.subscription=t.viewStream.onImageReady((t=>e.setBackgroundImage(t.image))),t.viewStream.setSize(t.size[0],t.size[1]),t.viewStream.invalidateCache(),t.viewStream.render(),e.modified()),!0),e.getUniquePropID=()=>t.nextPropID++,e.getPropFromID=e=>{for(let n=0;n{const e=t.device,n=t.renderPasses[0].getOpaquePass().getColorTexture(),r={width:n.getWidth(),height:n.getHeight()};r.colorBufferWidth=32*Math.floor((r.width+31)/32),r.colorBufferSizeInBytes=r.colorBufferWidth*r.height*8;const o=zh.newInstance();o.setDevice(e),o.create(r.colorBufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST);const a=t.device.createCommandEncoder();a.copyTextureToBuffer({texture:n.getHandle()},{buffer:o.getHandle(),bytesPerRow:8*r.colorBufferWidth,rowsPerImage:r.height},{width:r.width,height:r.height,depthOrArrayLayers:1}),e.submitCommandEncoder(a);const i=o.mapAsync(GPUMapMode.READ);await i,r.colorValues=new Uint16Array(o.getMappedRange().slice()),o.unmap();const s=new Uint8ClampedArray(r.height*r.width*4);for(let e=0;e{const t=zS.newInstance();return t.setWebGPURenderWindow(e),t};const r=e.setSize;e.setSize=(t,n)=>{const o=r(t,n);return o&&e.invokeWindowResizeEvent({width:t,height:n}),o},e.delete=jt.chain(e.delete,e.setViewStream)}const $S={initialized:!1,context:null,adapter:null,device:null,canvas:null,cursorVisibility:!0,cursor:"pointer",containerSize:null,renderPasses:[],notifyStartCaptureImage:!1,imageFormat:"image/png",useOffScreen:!1,useBackgroundImage:!1,nextPropID:1,xrSupported:!1,presentationFormat:null};const qS=jt.newInstance((function(e,t){let n=arguments.length>2&&void 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CA(e,t){t.classHierarchy.push("vtkAbstractImageMapper"),e.getIsOpaque=()=>!0,e.getCurrentImage=()=>null,e.getBoundsForSlice=()=>(jt.vtkErrorMacro("vtkAbstractImageMapper.getBoundsForSlice - NOT IMPLEMENTED"),_a())}const SA={slice:0,customDisplayExtent:[0,0,0,0,0,0],useCustomExtents:!1,backgroundColor:[0,0,0,1]};var AA=function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,SA,n),$s(e,t,n),jt.setGet(e,t,["slice","useCustomExtents"]),jt.setGetArray(e,t,["customDisplayExtent"],6),jt.setGetArray(e,t,["backgroundColor"],4),CA(e,t)};function PA(e,t){t.classHierarchy.push("vtkPolyLine");const n=su.newInstance();n.getPoints().setNumberOfPoints(2),e.getCellDimension=()=>1,e.intersectWithLine=(r,o,a,i,s,l,c)=>{const u={intersect:0,t:Number.MAX_VALUE,subId:0,betweenPoints:null},d=e.getNumberOfPoints()-1;let p=Number.MAX_VALUE;for(let e=0;e=r&&f.t<=o){u.intersect=1;const 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n.evaluateOrientation(r,a,l,i)?{position:s,orientation:l}:{position:s}},e.getCenterlineTangentDirections=()=>{const n=e.getOrientedCenterline();if(t._centerlineTangentDirectionsTime.getMTime()Nn(new Array(3),t.tangentDirection,t.uniformOrientation),e.getDirectionMatrix=()=>{const e=t.tangentDirection,n=t.bitangentDirection,r=t.normalDirection;return new Float64Array([e[0],e[1],e[2],n[0],n[1],n[2],r[0],r[1],r[2]])},e.setDirectionMatrix=n=>!re(n,e.getDirectionMatrix())&&(t.tangentDirection=[n[0],n[1],n[2]],t.bitangentDirection=[n[3],n[4],n[5]],t.normalDirection=[n[6],n[7],n[8]],e.modified(),!0),e.preRenderCheck=()=>!!e.getInputData(0)||(MA("No image data input"),!1),e.useStraightenedMode=()=>{e.setCenterPoint(null),e.setUseUniformOrientation(!1),e.getOrientedCenterline().setDistanceFunction(Gn)},e.useStretchedMode=t=>{const n=e.getOrientedCenterline();if(t)e.setCenterPoint(t);else{const t=n.getPoints(),r=t.getNumberOfTuples()>0?t.getPoint(0):[0,0,0];e.setCenterPoint(r)}e.setUseUniformOrientation(!0),n.setDistanceFunction(((t,n)=>{const r=e.getUniformDirection(),o=wn([],t,n),a=function(e){var t=e[0],n=e[1],r=e[2];return t*t+n*n+r*r}(o),i=En(r,o);return Math.sqrt(a-i*i)}))},e.setCenterlineData=t=>e.setInputData(t,1),e.setCenterlineConnection=t=>e.setInputConnection(t,1),e.setImageData=t=>e.setInputData(t,0),e.setImageConnection=t=>e.setInputConnection(t,0),e.getIsOpaque=()=>!0,t._orientedCenterline=OA.newInstance(),e._resetOrientedCenterline()}const DA={width:10,uniformOrientation:[0,0,0,1],useUniformOrientation:!1,centerPoint:null,preferSizeOverAccuracy:!1,orientationArrayName:null,tangentDirection:[1,0,0],bitangentDirection:[0,1,0],normalDirection:[0,0,1]};function LA(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,DA,n),AA(e,t,n),jt.algo(e,t,2,0),t._centerlineTangentDirectionsTime={},jt.obj(t._centerlineTangentDirectionsTime,{mtime:0}),jt.setGet(e,t,["width","uniformOrientation","useUniformOrientation","centerPoint","preferSizeOverAccuracy","orientationArrayName","tangentDirection","bitangentDirection","normalDirection"]),Ql.implementCoincidentTopologyMethods(e,t),EA(e,t)}var BA={newInstance:jt.newInstance(LA,"vtkImageCPRMapper"),extend:LA,...RA,...VA};function NA(e,t,n){const r=n.getCurrentImage(),o=r.getExtent(),a=[o[0],o[2],o[4]],{ijkMode:i}=n.getClosestIJKAxis();let s=n.isA("vtkImageArrayMapper")?n.getSubSlice():n.getSlice();i!==n.getSlicingMode()&&(s=n.getSliceAtPosition(s)),a[i]+=s;const l=[0,0,0];r.indexToWorld(a,l),a[i]+=1;const c=[0,0,0];r.indexToWorld(a,c),c[0]-=l[0],c[1]-=l[1],c[2]-=l[2],Vn(c,c);const u=ri.intersectWithLine(e,t,l,c);if(u.intersection){const e=u.x,t=[0,0,0];return r.worldToIndex(e,t),{t:u.t,absoluteIJK:t}}return null}const{staticOffsetAPI:kA,otherStaticMethods:FA}=Ql,{SlicingMode:_A}=bg;function GA(e,t){function n(){let n;switch(t.slicingMode){case _A.X:n=0;break;case _A.Y:n=1;break;case _A.Z:n=2;break;default:return void(t.closestIJKAxis={ijkMode:t.slicingMode,flip:!1})}const r=Ga(e.getCurrentImage().getDirection());let o=0;for(;o<3&&0===r[n+3*o];++o);const a=r[n+3*o]<0;t.closestIJKAxis={ijkMode:o,flip:a}}t.classHierarchy.push("vtkImageMapper"),e.getSliceAtPosition=n=>{const r=e.getCurrentImage();let o;if(3===n.length)o=n;else if(Number.isFinite(n)){const e=r.getBounds();switch(t.slicingMode){case _A.X:o=[n,(e[3]+e[2])/2,(e[5]+e[4])/2];break;case _A.Y:o=[(e[1]+e[0])/2,n,(e[5]+e[4])/2];break;case _A.Z:o=[(e[1]+e[0])/2,(e[3]+e[2])/2,n]}}const a=[0,0,0];r.worldToIndex(o,a);const i=r.getExtent(),{ijkMode:s}=e.getClosestIJKAxis();let l=0;switch(s){case _A.I:l=Ea(a[0],i[0],i[1]);break;case _A.J:l=Ea(a[1],i[2],i[3]);break;case _A.K:l=Ea(a[2],i[4],i[5]);break;default:return 0}return l},e.setSliceFromCamera=n=>{const r=n.getFocalPoint();switch(t.slicingMode){case _A.I:case _A.J:case _A.K:{const t=e.getSliceAtPosition(r);e.setSlice(t)}break;case _A.X:e.setSlice(r[0]);break;case _A.Y:e.setSlice(r[1]);break;case _A.Z:e.setSlice(r[2])}},e.setXSlice=t=>{e.setSlicingMode(_A.X),e.setSlice(t)},e.setYSlice=t=>{e.setSlicingMode(_A.Y),e.setSlice(t)},e.setZSlice=t=>{e.setSlicingMode(_A.Z),e.setSlice(t)},e.setISlice=t=>{e.setSlicingMode(_A.I),e.setSlice(t)},e.setJSlice=t=>{e.setSlicingMode(_A.J),e.setSlice(t)},e.setKSlice=t=>{e.setSlicingMode(_A.K),e.setSlice(t)},e.getSlicingModeNormal=()=>{const n=[0,0,0],r=e.getCurrentImage().getDirection();switch(t.slicingMode){case _A.X:n[0]=1;break;case _A.Y:n[1]=1;break;case _A.Z:n[2]=1;break;case _A.I:aa(r,[1,0,0],n);break;case _A.J:aa(r,[0,1,0],n);break;case _A.K:aa(r,[0,0,1],n)}return n},e.setSlicingMode=r=>{t.slicingMode!==r&&(t.slicingMode=r,e.getCurrentImage()&&n(),e.modified())},e.getClosestIJKAxis=()=>(void 0!==t.closestIJKAxis&&t.closestIJKAxis.ijkMode!==_A.NONE||!e.getCurrentImage()||n(),t.closestIJKAxis),e.getBounds=()=>{const n=e.getCurrentImage();if(!n)return _a();if(!t.useCustomExtents)return n.getBounds();const r=t.customDisplayExtent.slice(),{ijkMode:o}=e.getClosestIJKAxis();let a=t.slice;switch(o!==t.slicingMode&&(a=e.getSliceAtPosition(t.slice)),o){case _A.I:r[0]=a,r[1]=a;break;case _A.J:r[2]=a,r[3]=a;break;case _A.K:r[4]=a,r[5]=a}return n.extentToBounds(r)},e.getBoundsForSlice=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:t.slice,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const o=e.getCurrentImage();if(!o)return _a();const a=o.getSpatialExtent(),{ijkMode:i}=e.getClosestIJKAxis();let s=n;switch(i!==t.slicingMode&&(s=e.getSliceAtPosition(n)),i){case _A.I:a[0]=s-r,a[1]=s+r;break;case _A.J:a[2]=s-r,a[3]=s+r;break;case _A.K:a[4]=s-r,a[5]=s+r}return o.extentToBounds(a)},e.intersectWithLineForPointPicking=(t,n)=>function(e,t,n){const r=NA(e,t,n);if(r){const e=n.getCurrentImage().getExtent(),t=[Math.round(r.absoluteIJK[0]),Math.round(r.absoluteIJK[1]),Math.round(r.absoluteIJK[2])];return t[0]e[1]||t[1]e[3]||t[2]e[5]?null:{t:r.t,ijk:t}}return null}(t,n,e),e.intersectWithLineForCellPicking=(t,n)=>function(e,t,n){const r=NA(e,t,n);if(r){const e=n.getCurrentImage().getExtent(),t=r.absoluteIJK,o=[Math.floor(t[0]),Math.floor(t[1]),Math.floor(t[2])];if(o[0]e[1]-1||o[1]e[3]-1||o[2](e[5]?e[5]-1:e[5]))return null;const a=[t[0]-o[0],t[1]-o[1],t[2]-o[2]];return{t:r.t,ijk:o,pCoords:a}}return null}(t,n,e),e.getCurrentImage=()=>e.getInputData()}const UA={slicingMode:_A.NONE,closestIJKAxis:{ijkMode:_A.NONE,flip:!1},renderToRectangle:!1,sliceAtFocalPoint:!1,preferSizeOverAccuracy:!1};function WA(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,UA,n),AA(e,t,n),jt.get(e,t,["slicingMode"]),jt.setGet(e,t,["closestIJKAxis","renderToRectangle","sliceAtFocalPoint","preferSizeOverAccuracy"]),Ql.implementCoincidentTopologyMethods(e,t),GA(e,t)}var zA={newInstance:jt.newInstance(WA,"vtkImageMapper"),extend:WA,...kA,...FA,...bg};const HA={CLAMP:0,REPEAT:1,MIRROR:2},jA={NEAREST:0,LINEAR:1,CUBIC:2};var KA={ImageBorderMode:HA,InterpolationMode:jA};const $A={pointer:null,extent:[0,-1,0,-1,0,-1],increments:[0,0,0],scalarType:null,dataTypeSize:1,numberOfComponents:1,borderMode:HA.CLAMP,interpolationMode:jA.LINEAR,extraInfo:null},qA={...$A,positions:[0,0,0],weights:null,weightExtent:[0,-1,0,-1,0,-1],kernelSize:[1,1,1],workspace:null,lastY:null,lastZ:null};function XA(e){const t=Math.floor(e);return{floored:t,error:e-t}}function YA(e){return Math.round(e)}function ZA(e,t,n){let r=e<=n?e:n;return r-=t,r=r>=0?r:0,r}function QA(e,t,n){const r=n-t+1;let o=e-t;return o%=r,o=o>=0?o:o+r,o}function JA(e,t,n){const r=n-t,o=2*r+(0===r?1:0);let a=e-t;return a=a>=0?a:-a,a%=o,a=a<=r?a:o-a,a}const{ImageBorderMode:eP}=KA;function tP(e,t){t.classHierarchy.push("vtkAbstractImageInterpolator"),e.initialize=n=>{e.releaseData(),t.scalars=n.getPointData().getScalars(),t.spacing=n.getSpacing(),t.origin=n.getOrigin(),t.extent=n.getExtent(),e.update()},e.releaseData=()=>{t.scalars=null},e.update=()=>{if(!t.scalars)return t.interpolationInfo.pointer=null,void(t.interpolationInfo.numberOfComponents=1);t.interpolationInfo.extent=t.extent.slice();const n=e.computeSupportSize(null),r=Math.max(Math.max(n[0],n[1]),n[2]),o=Number.MIN_SAFE_INTEGER+r/2,a=Number.MAX_SAFE_INTEGER-r/2;for(let e=0;e<3;++e){const n=Math.max(.5*(t.extent[2*e]===t.extent[2*e+1]),t.tolerance);t.structuredBounds[2*e]=Math.max(t.extent[2*e]-n,o),t.structuredBounds[2*e+1]=Math.min(t.extent[2*e+1]+n,a)}const i=t.extent[1]-t.extent[0]+1,s=t.extent[3]-t.extent[2]+1,l=t.scalars.getNumberOfComponents();t.interpolationInfo.increments[0]=l,t.interpolationInfo.increments[1]=t.interpolationInfo.increments[0]*i,t.interpolationInfo.increments[2]=t.interpolationInfo.increments[1]*s;let c=t.componentOffset;c=c>0?c:0,c=c{},e.interpolateXYZ=(n,r,o,a)=>{let i=t.outValue;const s=[n,r,o],l=[(s[0]-t.origin[0])/t.spacing[0],(s[1]-t.origin[1])/t.spacing[1],(s[2]-t.origin[2])/t.spacing[2]];if(e.checkBoundsIJK(l)){const n={...t.interpolationInfo},r=n.increments[0]-t.componentOffset,o=1;let s=a>0?a:0;s=s{const o=[(n[0]-t.origin[0])/t.spacing[0],(n[1]-t.origin[1])/t.spacing[1],(n[2]-t.origin[2])/t.spacing[2]];if(e.checkBoundsIJK(o))return e.interpolatePoint(t.interpolationInfo,o,r),!0;for(let e=0;e{const n=Math.min(Math.max(t.componentOffset,0),e-1),r=t.componentCount0?r:e-n},e.getNumberOfComponents=()=>t.interpolationInfo.numberOfComponents,e.interpolateIJK=(n,r)=>{e.interpolatePoint(t.interpolationInfo,n,r)},e.checkBoundsIJK=e=>!(e[0]t.structuredBounds[1]||e[1]t.structuredBounds[3]||e[2]t.structuredBounds[5]),e.computeSupportSize=null,e.isSeparable=null,e.precomputeWeightsForExtent=(e,t,n)=>{},e.FreePrecomputedWeights=e=>{},e.interpolatePoint=(e,t,n)=>{},e.interpolateRow=(e,t,n,r,o,a)=>{}}const nP={outValue:0,tolerance:Number.EPSILON,componentOffset:0,componentCount:-1,borderMode:eP.CLAMP,slidingWindow:!1,scalars:null,interpolationInfo:{...$A},interpolationFunc:null,rowInterpolationFunc:null,structuredBounds:[0,-1,0,-1,0,-1],spacing:null,origin:null,extent:null};function rP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,nP,n),jt.obj(e,t),jt.setGet(e,t,["outValue","tolerance","componentOffset","componentCount","borderMode","slidingWindow"]),jt.get(e,t,["origin","spacing"]),tP(e,t)}var oP={newInstance:jt.newInstance(rP,"vtkAbstractImageInterpolator"),extend:rP,...KA};function aP(e,t){t.classHierarchy.push("vtkImageInterpolator"),e.computeSupportSize=e=>{let n=1;t.interpolationMode===jA.LINEAR?n=2:t.interpolationMode===jA.CUBIC&&(n=4);const r=[n,n,n];if(null==e)return r;if(0!==e[12]||0!==e[13]||0!==e[14]||1!==e[15])return r;for(let t=0;t<3;++t){let n=!0;for(let r=0;r<3;++r)n=n&&Number.isInteger(e[4*t+r]);n&&(r[t]=1)}return r},e.internalUpdate=()=>{t.interpolationInfo.interpolationMode=t.interpolationMode},e.isSeparable=()=>!0,e.interpolateNearest=(e,t,n)=>{const r=e.extent,o=e.increments,a=e.numberOfComponents;let i=YA(t[0]),s=YA(t[1]),l=YA(t[2]);switch(e.borderMode){case HA.REPEAT:i=QA(i,r[0],r[1]),s=QA(s,r[2],r[3]),l=QA(l,r[4],r[5]);break;case HA.MIRROR:i=JA(i,r[0],r[1]),s=JA(s,r[2],r[3]),l=JA(l,r[4],r[5]);break;default:i=ZA(i,r[0],r[1]),s=ZA(s,r[2],r[3]),l=ZA(l,r[4],r[5])}const c=i*o[0]+s*o[1]+l*o[2];for(let t=0;t{const r=e.extent,o=e.increments,a=e.numberOfComponents,i=XA(t[0]),s=XA(t[1]),l=XA(t[2]);let c=i.floored,u=s.floored,d=l.floored;const p=i.error,f=s.error,g=l.error;let m=c+(0!==p),h=u+(0!==f),v=d+(0!==g);switch(e.borderMode){case HA.REPEAT:c=QA(c,r[0],r[1]),u=QA(u,r[2],r[3]),d=QA(d,r[4],r[5]),m=QA(m,r[0],r[1]),h=QA(h,r[2],r[3]),v=QA(v,r[4],r[5]);break;case HA.MIRROR:c=JA(c,r[0],r[1]),u=JA(u,r[2],r[3]),d=JA(d,r[4],r[5]),m=JA(m,r[0],r[1]),h=JA(h,r[2],r[3]),v=JA(v,r[4],r[5]);break;default:c=ZA(c,r[0],r[1]),u=ZA(u,r[2],r[3]),d=ZA(d,r[4],r[5]),m=ZA(m,r[0],r[1]),h=ZA(h,r[2],r[3]),v=ZA(v,r[4],r[5])}const y=c*o[0],b=m*o[0],x=u*o[1],T=h*o[1],C=d*o[2],S=v*o[2],A=x+C,P=x+S,I=T+C,w=T+S,O=1-p,M=1-f,R=1-g,V=M*R,E=f*R,D=M*g,L=f*g,B=e.pointer;for(let e=0;e{switch(t.interpolationMode){case jA.LINEAR:e.interpolateLinear(n,r,o);break;case jA.CUBIC:console.log("CUBIC not implemented");break;default:e.interpolateNearest(n,r,o)}},e.interpolateRowNearest=(e,t,n,r,o,a)=>{const i=e.positions[0].subarray(t),s=e.positions[1].subarray(n),l=e.positions[2].subarray(r),c=e.pointer.subarray(s[0]+l[0]),u=e.numberOfComponents;for(let e=0;e{const i=e.kernelSize[0],s=e.kernelSize[1],l=e.kernelSize[2],c=t*i,u=n*s,d=r*l,p=e.weights[0].subarray(c),f=e.weights[1].subarray(u),g=e.weights[2].subarray(d),m=e.positions[0].subarray(c),h=e.positions[1].subarray(u),v=e.positions[2].subarray(d),y=e.pointer,b=e.numberOfComponents,x=h.subarray(v[0]);let T=x,C=x,S=x,A=1,P=0,I=1,w=0;2===s&&(C=h[1].subarray(v[0]),S=C,A=f[0],P=f[1]),2===l&&(T=h[0].subarray(v[1]),S=T,I=g[0],w=g[1]),s+l===4&&(S=h[1].subarray(v[1]));const O=A*I,M=A*w,R=P*I,V=P*w;if(1===i)if(0===P&&0===w)for(let e=a;e>0;--e)for(let t=0;t0;--e)for(let t=0;t0;--e)for(let t=0;t0;--t){const n=p[0+2*e],r=p[1+2*e],i=m[0+2*e],s=m[1+2*e];for(let e=0;e0;--t){const t=p[0+2*e],n=p[1+2*e],r=m[0+2*e],a=m[1+2*e];for(let e=0;e{switch(t.interpolationMode){case jA.LINEAR:e.interpolateRowLinear(n,r,o,a,i,s);break;case jA.CUBIC:console.log("CUBIC not implemented");break;default:e.interpolateRowNearest(n,r,o,a,i,s)}},e.vtkTricubicInterpWeights=e=>{const t=e-1,n=.5*e,r=3*e;return[-n*t*t,((r-2)*n-1)*t,-((r-4)*e-1)*n,e*n*t]},e.precomputeWeightsForExtent=(n,r,o)=>{const a={...qA.newInstance(),...t.interpolationInfo};a.weightType="Float32Array";const i=a.interpolationMode;let s=!0;for(let l=0;l<3;++l){let c;for(c=0;c<3&&0===n[4*l+c];++c);o[2*l]=r[2*l],o[2*l+1]=r[2*l+1];const u=a.extent[2*c],d=a.extent[2*c+1],p=t.structuredBounds[2*c],f=t.structuredBounds[2*c+1];let g=1;g=i1)if(i===jA.LINEAR)v[g*t+1-y]=T[1]*S,b[g*t-y]=1-h,b[g*t+1-y]=h;else if(i===jA.CUBIC){const n=e.vtkTricubicInterpWeights(h);if(4===g)for(let e=0;e<4;e++)v[g*t+e-y]=T[e]*S,b[g*t+e-y]=n[e];else{const e=[0,0,0,0];for(let t=0;t<4;t++)e[T[t]-u]+=n[t];for(let n=0;n=p&&r<=f?0===x&&(x=1,o[2*l]=t):1===x&&(x=2,o[2*l+1]=t-1)}(0===x||o[2*l]>o[2*l+1])&&(s=!1)}if(!s)for(let e=0;e<3;e++)o[2*e]=r[2*e],o[2*e+1]=r[2*e]-1}}const iP={interpolationMode:jA.NEAREST};function sP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,iP,n),oP.extend(e,t,n),jt.setGet(e,t,["interpolationMode"]),aP(e,t)}var lP={newInstance:jt.newInstance(sP,"vtkImageInterpolator"),extend:sP};function cP(e,t){t.classHierarchy.push("vtkImagePointDataIterator"),e.initialize=(e,n,r,o)=>{const a=e.getExtent();let i=n;null==i&&(i=a);let s,l,c,u=!1;for(let e=0;e<6;e+=2)t.extent[e]=Math.max(i[e],a[e]),t.extent[e+1]=Math.min(i[e+1],a[e+1]),t.extent[e]>t.extent[e+1]&&(u=!0);if(t.rowIncrement=a[1]-a[0]+1,t.sliceIncrement=t.rowIncrement*(a[3]-a[2]+1),u){s=0,l=0,c=0,t.id=0,t.rowEndIncrement=0,t.sliceEndIncrement=0;for(let e=0;e<6;e+=2)t.extent[e]=a[e],t.extent[e+1]=a[e]-1}else s=t.extent[1]-t.extent[0]+1,l=t.extent[3]-t.extent[2]+1,c=t.extent[5]-t.extent[4]+1,t.id=t.extent[0]-a[0]+(t.extent[2]-a[2])*t.rowIncrement+(t.extent[4]-a[4])*t.sliceIncrement,t.rowEndIncrement=t.rowIncrement-s,t.sliceEndIncrement=t.rowEndIncrement+t.sliceIncrement-t.rowIncrement*l;if(t.spanEnd=t.id+s,t.rowEnd=t.id+s,t.sliceEnd=t.id+(t.rowIncrement*l-t.rowEndIncrement),t.end=t.id+(t.sliceIncrement*c-t.sliceEndIncrement),t.index[0]=t.extent[0],t.index[1]=t.extent[2],t.index[2]=t.extent[4],t.startY=t.index[1],r){t.hasStencil=!0,t.inStencil=!1,t.spanIndex=0;const e=r.getExtent();if(t.spanSliceIncrement=0,t.spanSliceEndIncrement=0,e[3]>=e[2]&&e[5]>=e[4]){t.spanSliceIncrement=e[3]-e[2]+1;const n=t.extent[2]-e[2];n>=0&&(t.spanSliceEndIncrement+=n);const r=e[3]-t.extent[3];r>=0&&(t.spanSliceEndIncrement+=r)}let n=0;const o=t.extent[2]-e[2];o<0?(t.extent[2]=e[2],n-=1):n+=o,e[3]<=t.extent[3]&&(t.extent[3]=e[3]);const a=t.extent[4]-e[4];a<0?(t.extent[4]=e[4],o>=0&&(n-=1+t.spanSliceEndIncrement)):n+=a*t.spanSliceIncrement,e[5]<=t.extent[5]&&(t.extent[5]=e[5]),t.extent[2]<=t.extent[3]&&t.extent[4]<=t.extent[5]?(t.spanCountPointer=r.extentListLengths.subarray(n),t.spanListPointer=r.extentLists.subarray(n),o>=0&&a>=0&&(t.inStencil=!0,t.setSpanState(t.extent[0]))):(t.spanCountPointer=null,t.spanListPointer=null,t.inStencil=!1)}else t.hasStencil=!1,t.inStencil=!0,t.spanSliceEndIncrement=0,t.spanSliceIncrement=0,t.spanIndex=0,t.spanCountPointer=null,t.spanListPointer=null;if(o){t.algorithm=o;const e=l*c;t.target=e/50+1,t.count=50*t.target-e/t.target*t.target+1}else t.algorithm=null,t.target=0,t.count=0},e.setSpanState=e=>{let n=!1;const r=t.spanListPointer,o=t.spanCountPointer[0];let a;for(a=0;ae);++a)n=!n;t.spanIndex=a,t.inStencil=n;let i=t.extent[1]+1;a{if(t.spanEnd===t.rowEnd){let n=1;if(t.spanEnd!==t.sliceEnd)t.id=t.rowEnd+t.rowEndIncrement,t.rowEnd+=t.rowIncrement,t.spanEnd=t.rowEnd,t.index[1]++;else{if(t.spanEnd===t.end)return void(t.id=t.end);t.id=t.sliceEnd+t.sliceEndIncrement,t.sliceEnd+=t.sliceIncrement,t.rowEnd=t.id+(t.rowIncrement-t.rowEndIncrement),t.spanEnd=t.rowEnd,t.index[1]=t.startY,t.index[2]++,n+=t.spanSliceEndIncrement}t.index[0]=t.extent[0],t.hasStencil&&(t.index[1]>=t.extent[2]&&t.index[1]<=t.extent[3]&&t.index[2]>=t.extent[4]&&t.index[2]<=t.extent[5]?(t.spanCountPointer=t.spanCountPointer.subarray(n),t.spanListPointer=t.spanListPointer.subarray(n),e.setSpanState(t.extent[0])):t.inStencil=!1),t.algorithm&&e.reportProgress()}else{t.id=t.spanEnd;const e=t.spanCountPointer[0];let n=t.extent[1]+1;if(t.index[0]=n,t.spanIndext.id===t.end,e.isInStencil=()=>t.inStencil,e.spanEndId=()=>t.spanEnd,e.reportProgress=()=>{},e.getArray=(e,t)=>e.getData().subarray(t*e.getNumberOfComponents()),e.getScalars=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;return e.getArray(t.getPointData().getScalars(),n)}}const uP={spanState:0,extent:[0,-1,0,-1,0,-1],end:0,spanEnd:0,rowEnd:0,sliceEnd:0,rowIncrement:0,rowEndIncrement:0,sliceIncrement:0,sliceEndIncrement:0,id:0,index:[0,0,0],startY:0,hasStencil:!1,inStencil:!0,spanIndex:0,spanSliceIncrement:0,spanSliceEndIncrement:0,spanCountPointer:null,spanListPointer:null,algorithm:null,target:0,count:0};function dP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uP,n),jt.obj(e,t),jt.get(e,t,["id","index"]),cP(e,t)}var pP={newInstance:jt.newInstance(dP,"vtkImagePointDataIterator"),extend:dP},fP={SlabMode:{MIN:0,MAX:1,MEAN:2,SUM:3}};const{SlabMode:gP}=fP,{vtkErrorMacro:mP}=jt;function hP(e,t){t.classHierarchy.push("vtkImageReslice");const n={...e},r=g(new Float64Array(16));let o=null;function a(e,t,n,r){const o=n-1;for(let n=0;n{let e=n.getMTime();return t.resliceTransform&&(e=Math.max(e,t.resliceTransform.getMTime())),e},e.setResliceAxes=n=>(t.resliceAxes||(t.resliceAxes=g(new Float64Array(16))),ne(t.resliceAxes,n)?null:(d(t.resliceAxes,n),e.modified(),!0)),e.requestData=(n,a)=>{const i=n[0];if(!i)return void mP("Invalid or missing input");const s=i.getOrigin(),l=i.getSpacing(),c=i.getDimensions(),u=i.getPointData().getScalars(),d=[0,c[0]-1,0,c[1]-1,0,c[2]-1],p=[0,0,0],f=[1,1,1],m=[0,0,0,0,0,0],v=[0,0,0],y=g(new Float64Array(16));t.resliceAxes&&b(y,y,t.resliceAxes);const x=new Float64Array(16);h(x,y);const T=[s[0]+.5*(d[0]+d[1])*l[0],s[1]+.5*(d[2]+d[3])*l[1],s[2]+.5*(d[4]+d[5])*l[2]];let C=null;t.autoCropOutput&&(C=e.getAutoCroppedOutputBounds(i));for(let e=0;e<3;e++){let n=0,r=0,o=0,a=0;if(t.transformInputSampling){let t=0;for(let i=0;i<3;i++){a+=x[4*i+e]*(T[i]-y[12+i]);const s=y[4*e+i]*y[4*e+i];n+=s*Math.abs(l[i]),r+=s*(d[2*i+1]-d[2*i])*Math.abs(l[i]),o+=s*d[2*i],t+=s}n/=t,r/=t*Math.sqrt(t),o/=t}else a=T[e],n=l[e],r=(d[2*e+1]-d[2*e])*n,o=d[2*e];null==t.outputSpacing?f[e]=n:f[e]=t.outputSpacing[e],e>=t.outputDimensionality?(m[2*e]=0,m[2*e+1]=0):null==t.outputExtent?(t.autoCropOutput&&(r=C[2*e+1]-C[2*e]),m[2*e]=Math.round(o),m[2*e+1]=Math.round(m[2*e]+Math.abs(r/f[e]))):(m[2*e]=t.outputExtent[2*e],m[2*e+1]=t.outputExtent[2*e+1]),e>=t.outputDimensionality?p[e]=0:null==t.outputOrigin?t.autoCropOutput?p[e]=C[2*e]-m[2*e]*f[e]:p[e]=a-.5*(m[2*e]+m[2*e+1])*f[e]:p[e]=t.outputOrigin[e],v[e]=m[2*e+1]-m[2*e]+1}let S=u.getDataType();t.outputScalarType&&(S=t.outputScalarType);const A=i.getPointData().getScalars().getNumberOfComponents(),P=jt.newTypedArray(S,v[0]*v[1]*v[2]*A),I=Us.newInstance({name:"Scalars",values:P,numberOfComponents:A}),w=Sl.newInstance();w.setDimensions(v),w.setOrigin(p),w.setSpacing(f),t.outputDirection&&w.setDirection(t.outputDirection),w.getPointData().setScalars(I),e.getIndexMatrix(i,w);let O=t.interpolationMode;t.usePermuteExecute=!1,t.optimization&&null==o&&1===t.slabSliceSpacingFraction&&t.interpolator.isSeparable()&&e.isPermutationMatrix(r)&&(t.usePermuteExecute=!0,e.canUseNearestNeighbor(r,m)&&(O=jA.NEAREST)),t.interpolator.setInterpolationMode(O);let M=HA.CLAMP;M=t.wrap?HA.REPEAT:M,M=t.mirror?HA.MIRROR:M,t.interpolator.setBorderMode(M);const R=762939453125e-17;let V=.5*t.border;V=M===HA.CLAMP?V:4294967294,V=V>R?V:R,t.interpolator.setTolerance(V),t.interpolator.initialize(i),e.vtkImageResliceExecute(i,w),t.interpolator.releaseData(),a[0]=w},e.vtkImageResliceExecute=(n,a)=>{const i=n.getPointData().getScalars(),s=a.getPointData().getScalars();let l=s.getData();const c=a.getExtent(),u=r,d=Math.max(t.slabNumberOfSlices,1),p=t.slabSliceSpacingFraction,f=e.isPerspectiveMatrix(u);let g=i.getData();const m=i.getDataType(),h=i.getNumberOfComponents(),v=t.interpolator.getComponentOffset(),y=t.interpolator.getBorderMode(),b=n.getDimensions(),x=[0,b[0]-1,0,b[1]-1,0,b[2]-1],T=[0,0,0];T[0]=i.getNumberOfComponents(),T[1]=T[0]*b[0],T[2]=T[1]*b[1];const C=b[0]*b[1]*b[2];v>0&&v+hjA.LINEAR||d>1&&t.slabMode===gP.SUM,B=e.getConversionFunc(m,I,t.scalarShift,t.scalarScale,L),N=e.getSetPixelsFunc(I,1,w,l),k=e.getCompositeFunc(t.slabMode,t.slabTrapezoidIntegration);let F=c[2]-1,_=c[4]-1;const G=[0,0,0,0],U=[0,0,0,0],W=pP.newInstance();W.initialize(a,c,t.stencil,null);const z=W.getScalars(a,0);let H=0;const j=jt.newTypedArray(I,Ui.getDiagonalLength(c)*w*2),K=new Float64Array(h*d),$=new Float64Array(h);for(;!W.isAtEnd();W.nextSpan()){const n=W.spanEndId()-W.getId();if(H=1*W.getId()*w,W.isInStencil()){const r=W.getIndex();r[2]>_&&(_=r[2],G[0]=V[0]+_*R[0],G[1]=V[1]+_*R[1],G[2]=V[2]+_*R[2],G[3]=V[3]+_*R[3],F=c[2]-1),r[1]>F&&(F=r[1],U[0]=G[0]+F*M[0],U[1]=G[1]+F*M[1],U[2]=G[2]+F*M[2],U[3]=G[3]+F*M[3]);const a=r[0],i=a+n-1;if(P){const e=g,t=l,n=1*T[0],r=1*T[1],o=1*T[2],s=x[1]-x[0]+1,c=x[3]-x[2]+1,u=x[5]-x[4]+1;let d=a,p=a-1,f=!1;const m=1*h;for(let t=a;t<=i;t++){const i=[U[0]+t*O[0],U[1]+t*O[1],U[2]+t*O[2]],l=YA(i[0])-x[0],g=YA(i[1])-x[2],h=YA(i[2])-x[4];if(l>=0&&l=0&&g=0&&h1){let e=n-.5*(d-1);e*=p,s[0]=i[0]+e*R[0],s[1]=i[1]+e*R[1],s[2]=i[2]+e*R[2],s[3]=i[3]+e*R[3],g=s}if(f){const e=1/g[3];g[0]*=e,g[1]*=e,g[2]*=e}if(null!==o){const n=t.interpolator.getOrigin(),r=t.interpolator.getSpacing(),a=[1/r[0],1/r[1],1/r[2]];e.applyTransform(o,g,n,a)}if(t.interpolator.checkBoundsIJK(g)){r=1,t.interpolator.interpolateIJK(g,$);for(let e=0;eh&&k(K,h,m/h);for(let e=0;ea?n:r}const g=l-1-(r!==n)-s+1;let m=0;n?(A&&e.rescaleScalars(E,h,i-a+1,t.scalarShift,t.scalarScale),m=B(j,E.subarray(s*h),w,g)):m=N(j,D,w,g);for(let e=0;e{const a=g(new Float64Array(16));return o=null,t.resliceAxes&&d(a,t.resliceAxes),t.resliceTransform&&(t.resliceTransform.isA("vtkHomogeneousTransform")?b(a,t.resliceTransform.getMatrix(),a):tt("Non homogeneous transform have not yet been ported")),b(a,a,n.getIndexToWorld()),null==o&&b(a,e.getWorldToIndex(),a),d(r,a),r},e.getAutoCroppedOutputBounds=e=>{const n=e.getOrigin(),r=e.getSpacing(),o=e.getDirection(),a=e.getDimensions(),i=[0,a[0]-1,0,a[1]-1,0,a[2]-1],s=new Float64Array(16);t.resliceAxes?h(s,t.resliceAxes):g(s);let l=null;t.resliceTransform&&(l=t.resliceTransform.getInverse());let c=null;za.isIdentity3x3(o)||(c=qf().translate(n[0],n[1],n[2]).multiply3x3(o).translate(-n[0],-n[1],-n[2]).invert().getMatrix());const u=[Number.MAX_VALUE,-Number.MAX_VALUE,Number.MAX_VALUE,-Number.MAX_VALUE,Number.MAX_VALUE,-Number.MAX_VALUE],d=[0,0,0,0];for(let e=0;e<8;++e){d[0]=n[0]+i[e%2]*r[0],d[1]=n[1]+i[2+Math.floor(e/2)%2]*r[1],d[2]=n[2]+i[4+Math.floor(e/4)%2]*r[2],d[3]=1,c&&zi(d,d,c),t.resliceTransform&&l.transformPoint(d,d),zi(d,d,s);const o=1/d[3];d[0]*=o,d[1]*=o,d[2]*=o;for(let e=0;e<3;++e)d[e]>u[2*e+1]&&(u[2*e+1]=d[e]),d[e]{switch(e){case"Int8Array":return{min:-128,max:127};case"Int16Array":return{min:-32768,max:32767};case"Uint16Array":return{min:0,max:65535};case"Int32Array":return{min:-2147483648,max:2147483647};case"Uint32Array":return{min:0,max:4294967295};case"Float32Array":case"Float64Array":return{min:-12e37,max:12e37};default:return{min:0,max:255}}},e.clamp=(e,t,n,r,o,a)=>{const i=r*n;for(let n=0;n{const o=r*n;for(let n=0;n{let i=a;if(n!==ws.FLOAT&&n!==ws.DOUBLE&&!a){const a=e.getDataTypeMinMax(t);let s=(a.min+r)*o,l=(a.max+r)*o;const c=e.getDataTypeMinMax(n),u=c.min,d=c.max;if(s>l){const e=l;l=s,s=e}i=sd}if(i&&n!==ws.FLOAT&&n!==ws.DOUBLE){const t=e.getDataTypeMinMax(n);return(n,r,o,a)=>e.clamp(n,r,o,a,t.min,t.max)}return e.convert},e.set=(e,t,n,r)=>{const o=n*r;for(let n=0;n(e.fill(t[0],0,r),r),e.getSetPixelsFunc=(t,n,r,o)=>1===r?e.set1:e.set,e.getCompositeFunc=(e,t)=>{let n=null;switch(e){case gP.MIN:n=s;break;case gP.MAX:n=l;break;case gP.MEAN:n=t?u:c;break;case gP.SUM:n=t?f:p}return n},e.applyTransform=(e,t,n,r)=>{t[3]=1,zi(t,t,e),t[0]-=n[0],t[1]-=n[1],t[2]-=n[2],t[0]*=r[0],t[1]*=r[1],t[2]*=r[2]},e.rescaleScalars=(e,t,n,r,o)=>{const a=n*t;for(let t=0;t{for(let t=0;t<3;t++)if(0!==e[4*t+3])return!1;if(1!==e[15])return!1;for(let t=0;t<3;t++){let n=0;for(let r=0;r<3;r++)0!==e[4*t+r]&&n++;if(1!==n)return 0}return 1},e.isIdentityMatrix=e=>{for(let t=0;t<4;++t)for(let n=0;n<4;++n)if((t===n?1:0)!==e[4*n+t])return!1;return!0},e.isPerspectiveMatrix=e=>0!==e[3]||0!==e[7]||0!==e[11]||1!==e[15],e.canUseNearestNeighbor=(e,t)=>{for(let n=0;n<3;n++){let r;for(r=0;r<3&&0===e[4*r+n];r++);if(r>=3)return 0;let o=e[4*r+n],a=e[12+n];t[2*r]===t[2*r+1]&&(a+=o*t[2*n],o=0);const i=XA(o).error,s=XA(a).error;if(0!==i||0!==s)return 0}return 1}}const vP={transformInputSampling:!0,autoCropOutput:!1,outputDimensionality:3,outputSpacing:null,outputOrigin:null,outputDirection:null,outputExtent:null,outputScalarType:null,wrap:!1,mirror:!1,border:!0,interpolationMode:jA.NEAREST,slabMode:gP.MIN,slabTrapezoidIntegration:!1,slabNumberOfSlices:1,slabSliceSpacingFraction:1,optimization:!1,scalarShift:0,scalarScale:1,backgroundColor:[0,0,0,0],resliceAxes:null,interpolator:lP.newInstance(),usePermuteExecute:!1};function yP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,vP,n),jt.obj(e,t),jt.algo(e,t,1,1),jt.setGet(e,t,["outputDimensionality","outputScalarType","scalarShift","scalarScale","transformInputSampling","autoCropOutput","wrap","mirror","border","interpolationMode","resliceTransform","slabMode","slabTrapezoidIntegration","slabNumberOfSlices","slabSliceSpacingFraction"]),jt.setGetArray(e,t,["outputOrigin","outputSpacing"],3),jt.setGetArray(e,t,["outputExtent"],6),jt.setGetArray(e,t,["outputDirection"],9),jt.setGetArray(e,t,["backgroundColor"],4),jt.get(e,t,["resliceAxes"]),jt.algo(e,t,1,1),hP(e,t)}var bP={newInstance:jt.newInstance(yP,"vtkImageReslice"),extend:yP,...fP};const{InterpolationType:xP}=pg,{vtkErrorMacro:TP}=jt;function CP(e,t){t.classHierarchy.push("vtkImageProperty"),e.getMTime=()=>{let e,n=t.mtime;for(let r=0;r<4;r++)t.componentData[r].rGBTransferFunction&&(e=t.componentData[r].rGBTransferFunction.getMTime(),n=n>e?n:e),t.componentData[r].piecewiseFunction&&(e=t.componentData[r].piecewiseFunction.getMTime(),n=n>e?n:e);return n},e.setRGBTransferFunction=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,o=n,a=r;return Number.isInteger(n)||(a=n,o=0),t.componentData[o].rGBTransferFunction!==a&&(t.componentData[o].rGBTransferFunction=a,e.modified(),!0)},e.getRGBTransferFunction=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return t.componentData[e].rGBTransferFunction},e.setPiecewiseFunction=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,o=n,a=r;return Number.isInteger(n)||(a=n,o=0),t.componentData[o].piecewiseFunction!==a&&(t.componentData[o].piecewiseFunction=a,e.modified(),!0)},e.getPiecewiseFunction=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return t.componentData[e].piecewiseFunction},e.setScalarOpacity=function(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,r=t,o=n;return Number.isInteger(t)||(o=t,r=0),e.setPiecewiseFunction(r,o)},e.getScalarOpacity=function(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return e.getPiecewiseFunction(t)},e.setComponentWeight=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;if(n<0||n>=4)return TP("Invalid index"),!1;const o=Math.min(1,Math.max(0,r));return t.componentData[n].componentWeight!==o&&(t.componentData[n].componentWeight=o,e.modified(),!0)},e.getComponentWeight=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return e<0||e>=4?(TP("Invalid index"),0):t.componentData[e].componentWeight},e.setInterpolationTypeToNearest=()=>e.setInterpolationType(xP.NEAREST),e.setInterpolationTypeToLinear=()=>e.setInterpolationType(xP.LINEAR),e.getInterpolationTypeAsString=()=>jt.enumToString(xP,t.interpolationType)}const SP={independentComponents:!1,interpolationType:xP.LINEAR,colorWindow:255,colorLevel:127.5,ambient:1,diffuse:0,opacity:1,useLookupTableScalarRange:!1,useLabelOutline:!1,labelOutlineThickness:[1],labelOutlineOpacity:1};function AP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};if(Object.assign(t,SP,n),jt.obj(e,t),!t.componentData){t.componentData=[];for(let e=0;e<4;e++)t.componentData.push({rGBTransferFunction:null,piecewiseFunction:null,componentWeight:1})}jt.setGet(e,t,["independentComponents","interpolationType","colorWindow","colorLevel","ambient","diffuse","opacity","useLookupTableScalarRange","useLabelOutline","labelOutlineOpacity"]),jt.setGetArray(e,t,["labelOutlineThickness"]),CP(e,t)}var PP={newInstance:jt.newInstance(AP,"vtkImageProperty"),extend:AP};const{vtkDebugMacro:IP}=jt;function wP(e,t){t.classHierarchy.push("vtkImageSlice"),e.getActors=()=>e,e.getImages=()=>e,e.getIsOpaque=()=>{if(t.forceOpaque)return!0;if(t.forceTranslucent)return!1;t.property||e.getProperty();let n=t.property.getOpacity()>=1;return n=n&&(!t.mapper||t.mapper.getIsOpaque()),n},e.hasTranslucentPolygonalGeometry=()=>!1,e.makeProperty=PP.newInstance,e.getProperty=()=>(null===t.property&&(t.property=e.makeProperty()),t.property),e.getBounds=()=>{if(null===t.mapper)return t.bounds;const n=t.mapper.getBounds();if(!n||6!==n.length)return n;if(n[0]>n[1])return t.mapperBounds=n.concat(),t.bounds=[1,-1,1,-1,1,-1],t.boundsMTime.modified(),n;if(!t.mapperBounds||!(r=[n,t.mapperBounds],r[0].map(((e,t)=>r.map((e=>e[t]))))).reduce(((e,t)=>e&&t[0]===t[1]),!0)||e.getMTime()>t.boundsMTime.getMTime()){IP("Recomputing bounds..."),t.mapperBounds=n.map((e=>e)),e.computeMatrix();const r=new Float64Array(16);m(r,t.matrix),Ui.transformBounds(n,r,t.bounds),t.boundsMTime.modified()}var r;return t.bounds},e.getBoundsForSlice=(n,r)=>{const o=t.mapper.getBoundsForSlice(n,r);if(!Ui.isValid(o))return o;e.computeMatrix();const a=new Float64Array(16);return m(a,t.matrix),Ui.transformBounds(o,a)},e.getMinXBound=()=>e.getBounds()[0],e.getMaxXBound=()=>e.getBounds()[1],e.getMinYBound=()=>e.getBounds()[2],e.getMaxYBound=()=>e.getBounds()[3],e.getMinZBound=()=>e.getBounds()[4],e.getMaxZBound=()=>e.getBounds()[5],e.getMTime=()=>{let e=t.mtime;if(null!==t.property){const n=t.property.getMTime();e=n>e?n:e}return e},e.getRedrawMTime=()=>{let e=t.mtime;if(null!==t.mapper){let 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BT.IS_WINDOW_LEVEL:e.windowLevel(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case BT.IS_SLICE:e.slice(o,r),e.invokeInteractionEvent({type:"InteractionEvent"})}e.superHandleMouseMove(n)},e.superHandleLeftButtonPress=e.handleLeftButtonPress,e.handleLeftButtonPress=n=>{const r=n.position;if(n.shiftKey||n.controlKey)"IMAGE3D"===t.interactionMode&&n.shiftKey?n.controlKey||n.altKey?e.startDolly():e.startRotate():"IMAGE_SLICING"===t.interactionMode&&n.controlKey?(t.lastSlicePosition=r.y,e.startSlice()):e.superHandleLeftButtonPress(n);else{t.windowLevelStartPosition[0]=r.x,t.windowLevelStartPosition[1]=r.y,e.setCurrentImageNumber(t.currentImageNumber);const n=t.currentImageProperty;n&&(t.windowLevelInitial[0]=n.getColorWindow(),t.windowLevelInitial[1]=n.getColorLevel()),e.startWindowLevel()}},e.superHandleLeftButtonRelease=e.handleLeftButtonRelease,e.handleLeftButtonRelease=()=>{switch(t.state){case BT.IS_WINDOW_LEVEL:e.endWindowLevel();break;case 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i=4*(t.windowLevelCurrentPosition[0]-t.windowLevelStartPosition[0])/n[0],s=4*(t.windowLevelStartPosition[1]-t.windowLevelCurrentPosition[1])/n[1];Math.abs(o)>.01?i*=o:i*=o<0?-.01:.01,Math.abs(a)>.01?s*=a:s*=a<0?-.01:.01,o<0&&(i*=-1),a<0&&(s*=-1);let l=i+o;const c=a-s;l<.01&&(l=.01),t.currentImageProperty.setColorWindow(l),t.currentImageProperty.setColorLevel(c)}},e.slice=(e,n)=>{const r=t._interactor,o=n.y-t.lastSlicePosition,a=e.getActiveCamera(),i=a.getClippingRange();let s=a.getDistance(),l=0;if(a.getParallelProjection())l=2*a.getParallelScale();else{const e=Eo(a.getViewAngle());l=2*s*Math.tan(.5*e)}s+=o*l/r.getView().getViewportSize(e)[1],si[1]&&(s=i[1]-.001*l),a.setDistance(s),t.lastSlicePosition=n.y},e.setCurrentImageNumber=n=>{if(null===n)return;const r=t._interactor.getCurrentRenderer();if(!r)return;t.currentImageNumber=n;const o=r.getViewProps().filter((e=>e.isA("vtkImageSlice")));let a=n;n<0&&(a+=o.length);const i=o.find(((e,t)=>function(e,t,n){return e===n&&t.getNestedPickable()}(t,e,a)));i&&e.setCurrentImageProperty(i.getProperty())},e.setCurrentImageProperty=e=>{t.currentImageProperty=e}}const EP={windowLevelStartPosition:[0,0],windowLevelCurrentPosition:[0,0],lastSlicePosition:0,windowLevelInitial:[1,.5],currentImageNumber:-1,interactionMode:"IMAGE2D",xViewRightVector:[0,1,0],xViewUpVector:[0,0,-1],yViewRightVector:[1,0,0],yViewUpVector:[0,0,-1],zViewRightVector:[1,0,0],zViewUpVector:[0,1,0]};function DP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,EP,n),$T.extend(e,t,n),jt.setGet(e,t,["interactionMode"]),jt.get(e,t,["currentImageProperty"]),VP(e,t)}var LP={newInstance:jt.newInstance(DP,"vtkInteractorStyleImage"),extend:DP};function BP(e,t,n,r,o,a){const i=a.displayToWorld(e,t,0,o),s=a.displayToWorld(e,t,1,o);return ri.intersectWithLine(i,s,n,r).x}function NP(e,t){t.classHierarchy.push("vtkPlaneManipulator"),e.handleEvent=(t,n)=>({worldCoords:BP(t.position.x,t.position.y,e.getOrigin(t),e.getNormal(t),t.pokedRenderer,n)})}function kP(e){return{...e}}function FP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Rx.extend(e,t,kP(n)),NP(e,t)}var _P={intersectDisplayWithPlane:BP,extend:FP,newInstance:jt.newInstance(FP,"vtkPlaneManipulator")};function GP(e,t){t.classHierarchy.push("vtkAbstractWidget"),t.actorToRepresentationMap=new WeakMap,e.getBounds=t.widgetState.getBounds,e.getNestedProps=()=>t.representations,e.activateHandle=n=>{let{selectedState:r,representation:o}=n;t.widgetState.activateOnly(r),t.activeState=r,r&&r.updateManipulator&&r.updateManipulator(),e.invokeActivateHandle({selectedState:r,representation:o}),e.updateCursor&&e.updateCursor()},e.deactivateAllHandles=()=>{t.widgetState.deactivate()},e.hasActor=e=>t.actorToRepresentationMap.has(e),e.grabFocus=()=>{t.hasFocus=!0},e.loseFocus=()=>{t.hasFocus=!1},e.hasFocus=()=>t.hasFocus,e.placeWidget=e=>t.widgetState.placeWidget(e),e.getPlaceFactor=()=>t.widgetState.getPlaceFactor(),e.setPlaceFactor=e=>t.widgetState.setPlaceFactor(e),e.getRepresentationFromActor=e=>t.actorToRepresentationMap.get(e),e.updateRepresentationForRender=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:lx.FRONT_BUFFER;for(let n=0;nt._factory.getViewWidgets(),e.setPriority(.5)}const UP={contextVisibility:!0,handleVisibility:!0,hasFocus:!1};function WP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,UP,n),is.extend(e,t,n),LT.extend(e,t,n),jt.setGet(e,t,["contextVisibility","handleVisibility","_widgetManager"]),jt.get(e,t,["representations","widgetState","activeState"]),jt.moveToProtected(e,t,["widgetManager"]),jt.event(e,t,"ActivateHandle"),GP(e,t)}var zP={newInstance:jt.newInstance(WP,"vtkAbstractWidget"),extend:WP};const{ViewTypes:HP,RenderingTypes:jP,CaptureOn:KP}=cx,{vtkErrorMacro:$P}=jt;let qP=1;function XP(e){const t=e.getActiveCamera(),n=e.getRenderWindow(),r=n.getInteractor(),o=r.getView();return{renderer:e,renderWindow:n,interactor:r,apiSpecificRenderWindow:o,camera:t}}function YP(e,t){const{dispHeightFactor:n,cameraPosition:r,cameraDir:o,isParallel:a,rendererPixelDims:i}=t;let s=1;if(a)s=n;else{const t=[...e];za.subtract(t,r,t),s=za.dot(t,o)*n}return s/i[1]}function ZP(e,t){t.viewId||(t.viewId="view-"+qP++),t.classHierarchy.push("vtkWidgetManager");const n=new WeakMap,r=[];function o(e){return e&&(e.isA("vtkAbstractWidget")?e:e.getWidgetForView({viewId:t.viewId}))}function a(){const{_apiSpecificRenderWindow:e,_camera:n,_renderer:r}=t;if(r&&e&&n){const[o,a]=e.getSize(),[i,s,l,c]=r.getViewport(),u=e.getComputedDevicePixelRatio(),d=[o*(l-i)/u,a*(c-s)/u],p=n.getPosition(),f=n.getDirectionOfProjection(),g=n.getParallelProjection(),m=g?2*n.getParallelScale():2*Math.tan(za.radiansFromDegrees(n.getViewAngle())/2);t.widgets.forEach((e=>{e.getNestedProps().forEach((e=>{e.getScaleInPixels()&&e.setDisplayScaleParams({dispHeightFactor:m,cameraPosition:p,cameraDir:f,isParallel:g,rendererPixelDims:d})}))}))}}async function i(n,r,o){const{position:a}=n,{requestCount:i,selectedState:s,representation:l,widget:c}=await e.getSelectedDataForXY(a.x,a.y);if(i||o!==t._currentUpdateSelectionCallID)return;function u(e){r&&t._interactor.invokeLeftButtonRelease(n),e.activateHandle({selectedState:s,representation:l}),r&&t._interactor.invokeLeftButtonPress(n)}t._apiSpecificRenderWindow.setCursor(c?"pointer":"default"),t.activeWidget=null;let d=!1;if(t.widgetInFocus===c&&c.hasFocus())u(c),t.activeWidget=c,d=!0;else for(let e=0;e1&&void 0!==arguments[1]&&arguments[1];if(!t.isAnimating&&t.pickingEnabled&&e.pokedRenderer===t._renderer){const r=Symbol("UpdateSelection");t._currentUpdateSelectionCallID=r,await i(e,n,r)}};function l(e){e.updateRepresentationForRender(t.renderingType)}function c(){t.renderingType=jP.FRONT_BUFFER,t.widgets.forEach(l)}async function u(e,n,r,o){t._captureInProgress?await t._captureInProgress:(t.renderingType=jP.PICKING_BUFFER,t.widgets.forEach(l),t._capturedBuffers=null,t._captureInProgress=t._selector.getSourceDataAsync(t._renderer,e,n,r,o),t._capturedBuffers=await t._captureInProgress,t._captureInProgress=null,t.previousSelectedData=null,c())}function d(e){t._renderer.removeActor(e),e.delete()}function p(){t._renderer.getRenderWindow().getInteractor().render(),e.renderWidgets()}e.enablePicking=()=>{t.pickingEnabled=!0,e.renderWidgets()},e.renderWidgets=()=>{if(t.pickingEnabled&&t.captureOn===KP.MOUSE_RELEASE){const[e,n]=t._apiSpecificRenderWindow.getSize();u(0,0,e,n)}c(),e.modified()},e.disablePicking=()=>{t.pickingEnabled=!1},e.setRenderer=n=>{const o=XP(n);for(Object.assign(t,o),jt.moveToProtected({},t,Object.keys(o));r.length;)r.pop().unsubscribe();t._selector=t._apiSpecificRenderWindow.createSelector(),t._selector.setFieldAssociation(ll.FIELD_ASSOCIATION_POINTS),r.push(t._apiSpecificRenderWindow.onWindowResizeEvent(a)),r.push(t._camera.onModified(a)),a(),r.push(t._interactor.onStartAnimation((()=>{t.isAnimating=!0}))),r.push(t._interactor.onEndAnimation((()=>{t.isAnimating=!1,e.renderWidgets()}))),r.push(t._interactor.onMouseMove((e=>(s(e),jt.VOID)))),r.push(t._interactor.onLeftButtonPress((e=>{const{deviceType:t}=e,n="touch"===t||"pen"===t;return n&&s(e,n),jt.VOID}),.25)),e.modified(),t.pickingEnabled&&e.enablePicking()},e.addWidget=(r,o,i)=>{if(!t._renderer)return $P("Widget manager MUST BE link to a view before registering widgets"),null;const{viewId:s,_renderer:l}=t,c=r.getWidgetForView({viewId:s,renderer:l,viewType:o||HP.DEFAULT,initialValues:i});return null!=c&&-1===t.widgets.indexOf(c)&&(t.widgets.push(c),(u=c).setWidgetManager(e),function(e){const t=e.getRepresentations();for(let r=0;r{t.widgets.forEach(d),t.widgets=[],t.widgetInFocus=null,p()},e.removeWidget=n=>{const r=o(n),a=t.widgets.indexOf(r);-1!==a&&(t.widgets.splice(a,1),t.widgetInFocus===r&&e.releaseFocus(),d(r),p())},e.getSelectedDataForXY=async(n,r)=>{if(t.selections=null,t.pickingEnabled){if(t._capturedBuffers&&t.captureOn!==KP.MOUSE_MOVE){const e=t._capturedBuffers.area;(ne[2]||re[3])&&await u(n,r,n,r)}else await u(n,r,n,r);t.selections=t._capturedBuffers.generateSelection(n,r,n,r)}return e.getSelectedData()},e.getSelectedData=()=>{if(!t.selections||!t.selections.length)return t.previousSelectedData=null,{};const{propID:e,compositeID:r,prop:o}=t.selections[0].getProperties();let{widget:a,representation:i}=t.selections[0].getProperties();if(t.previousSelectedData&&t.previousSelectedData.prop===o&&t.previousSelectedData.widget===a&&t.previousSelectedData.compositeID===r)return t.previousSelectedData.requestCount++,t.previousSelectedData;if(n.has(o)){const e=n.get(o);a=e.widget,i=e.representation}if(a&&i){const n=i.getSelectedState(o,r);return t.previousSelectedData={requestCount:0,propID:e,compositeID:r,prop:o,widget:a,representation:i,selectedState:n},t.previousSelectedData}return t.previousSelectedData=null,{}},e.grabFocus=e=>{const n=o(e);t.widgetInFocus&&t.widgetInFocus!==n&&t.widgetInFocus.loseFocus(),t.widgetInFocus=n,t.widgetInFocus&&t.widgetInFocus.grabFocus()},e.releaseFocus=()=>e.grabFocus(null);const f=e.delete;e.delete=()=>{for(;r.length;)r.pop().unsubscribe();f()}}const QP={viewId:null,widgets:[],activeWidget:null,renderer:null,viewType:HP.DEFAULT,isAnimating:!1,pickingEnabled:!0,selections:null,previousSelectedData:null,widgetInFocus:null,captureOn:KP.MOUSE_MOVE};function JP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,QP,n),jt.obj(e,t),jt.setGet(e,t,["captureOn",{type:"enum",name:"viewType",enum:HP}]),jt.get(e,t,["selections","widgets","viewId","pickingEnabled","activeWidget"]),ZP(e,t)}var eI={newInstance:jt.newInstance(JP,"vtkWidgetManager"),extend:JP,Constants:cx,getPixelWorldHeightAtCoord:YP};function tI(){}function nI(e,t){t.classHierarchy.push("vtkAbstractWidgetFactory");const n={};e.getWidgetForView=r=>{let{viewId:o,renderer:a,viewType:i,initialValues:s}=r;if(!n[o]){if(!a)return null;const{interactor:r,apiSpecificRenderWindow:l,camera:c}=XP(a),u={},d={};jt.obj(d,u),Object.assign(d,{onWidgetChange:e.onWidgetChange}),Object.assign(u,{widgetState:t.widgetState,manipulator:t.manipulator,viewType:i,renderer:a,camera:c,apiSpecificRenderWindow:l,factory:e}),jt.moveToProtected(d,u,["renderer","camera","apiSpecificRenderWindow","factory"]),jt.get(d,u,["viewType"]),jt.safeArrays(u),zP.extend(d,u,s);const p=s;u.representations=e.getRepresentationsForViewType(i).map((e=>{let{builder:t,labels:n,initialValues:r}=e;return t.newInstance({_parentProp:d,labels:n,...r,...p})})),u.representations.forEach((e=>{e.setInputData(u.widgetState),e.getActors().forEach((t=>{u.actorToRepresentationMap.set(t,e)}))})),t.behavior(d,u),["coincidentTopologyParameters",...t.methodsToLink||[]].forEach((e=>{const t=`set${jt.capitalize(e)}`,n=`get${jt.capitalize(e)}`,r={[e]:[],[t]:[],[n]:[]};u.representations.forEach((o=>{o[e]&&r[e].push(o[e]),o[t]&&r[t].push(o[t]),o[n]&&r[n].push(o[n])})),Object.keys(r).forEach((e=>{const t=r[e];1===t.length?d[e]=t[0]:t.length>1&&(d[e]=jt.chain(...t))}))})),d.delete=jt.chain((()=>{delete n[o]}),d.delete),d.setInteractor(r);const f=Object.freeze(d);return n[o]=f,f}return n[o]},e.getViewIds=()=>Object.keys(n),e.getViewWidgets=()=>Object.values(n),e.setVisibility=e=>{const t=Object.keys(n);for(let r=0;r{const t=Object.keys(n);for(let r=0;r{const t=Object.keys(n);for(let r=0;r{const t=Object.keys(n);for(let r=0;r{const t=Object.keys(n);for(let r=0;rt.widgetState.placeWidget(e),e.getPlaceFactor=()=>t.widgetState.getPlaceFactor(),e.setPlaceFactor=e=>t.widgetState.setPlaceFactor(e);let r=tI;e.delete=jt.chain(e.delete,(()=>r())),t.widgetState&&(r=t.widgetState.onModified((()=>e.invokeWidgetChange(t.widgetState))).unsubscribe)}function rI(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,n),jt.obj(e,t),jt.get(e,t,["widgetState"]),jt.event(e,t,"WidgetChange"),nI(e,t)}var oI={newInstance:jt.newInstance(rI,"vtkAbstractWidget"),extend:rI};const{vtkWarningMacro:aI}=jt;function iI(e,t){t.classHierarchy.push("vtkPlaneSource"),e.requestData=(n,r)=>{if(t.deleted)return;const o=r[0],a=o?o.getPoints().getDataType():t.pointType,i=Pu.newInstance(),s=[],l=[];if(jo(t.point1,t.origin,s),jo(t.point2,t.origin,l),!e.updatePlane(s,l))return void aI("Bad plane definition");const c=t.xResolution,u=t.yResolution,d=(c+1)*(u+1),p=c*u,f=jt.newTypedArray(a,3*d);i.getPoints().setData(f,3);const g=new Uint32Array(5*p);i.getPolys().setData(g,1);const m=new Float32Array(3*d),h=Us.newInstance({numberOfComponents:3,values:m,name:"Normals"});i.getPointData().setNormals(h);const v=new Float32Array(2*d),y=Us.newInstance({numberOfComponents:2,values:v,name:"TextureCoordinates"});i.getPointData().setTCoords(y);const b=new 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n,r=!1;jt.setGet(e,t,["keepOrthogonality",{type:"object",name:"cursorStyles"}]),e.setCursorStyles({[mx]:"move",[gx]:"alias",[fx]:"pointer",default:"default"}),e.setEnableTranslation=e=>{t.representations[0].setPickable(e),t.representations[2].setPickable(e)},e.setEnableRotation=e=>{t.representations[1].setPickable(e)},e.getActiveInteraction=()=>t.widgetState.getStatesWithLabel("rotation").includes(t.activeState)?gx:t.widgetState.getStatesWithLabel("line").includes(t.activeState)?fx:t.widgetState.getStatesWithLabel("center").includes(t.activeState)?mx:null,e.getActiveLineName=()=>function(e){return Sx(Object.keys(e.getPlanes()).map((e=>yx[e])))}(t.widgetState).find((e=>t.widgetState.getStatesWithLabel(e).includes(t.activeState))),e.getActiveLineHandle=()=>t.widgetState[`getAxis${e.getActiveLineName()}`]?.(),e.getOtherLineHandle=e=>t.widgetState[`getAxis${Ax(t.widgetState,e)}`]?.(),e.getActiveRotationPointName=()=>t.widgetState.getStatesWithLabel("point0").includes(t.activeState)?"point0":t.widgetState.getStatesWithLabel("point1").includes(t.activeState)?"point1":null,e.startScrolling=t=>{t&&(n=t),r=!0,e.startInteraction()},e.endScrolling=()=>{r=!1,e.endInteraction()},e.updateCursor=()=>{const n=e.getCursorStyles();if(n)switch(e.getActiveInteraction()){case mx:t._apiSpecificRenderWindow.setCursor(n.translateCenter);break;case gx:t._apiSpecificRenderWindow.setCursor(n.rotateLine);break;case fx:t._apiSpecificRenderWindow.setCursor(n.translateAxis);break;default:t._apiSpecificRenderWindow.setCursor(n.default)}},e.handleLeftButtonPress=r=>{if(t.activeState&&t.activeState.getActive()){t._isDragging=!0;const o=t.viewType,a=t.widgetState.getPlanes()[o].normal,i=t.activeState?.getManipulator?.()??t.manipulator;i.setWidgetOrigin(t.widgetState.getCenter()),i.setWidgetNormal(a);const{worldCoords:s}=i.handleEvent(r,t._apiSpecificRenderWindow);n=s,e.startInteraction()}else{if(t.widgetState.getScrollingMethod()!==dx)return jt.VOID;e.startScrolling(r.position)}return jt.EVENT_ABORT},e.handleMouseMove=o=>{if(t._isDragging)return e.handleEvent(o);if(r&&n.y!==o.position.y){const t=n.y-o.position.y;e.translateCenterOnPlaneDirection(t),n=o.position,e.invokeInternalInteractionEvent()}return jt.VOID},e.handleLeftButtonRelease=()=>{(t._isDragging||r)&&e.endScrolling(),t._isDragging=!1,t.widgetState.deactivate()},e.handleRightButtonPress=n=>{t.widgetState.getScrollingMethod()===px&&e.startScrolling(n.position)},e.handleRightButtonRelease=()=>{t.widgetState.getScrollingMethod()===px&&e.endScrolling()},e.handleStartMouseWheel=()=>{e.startInteraction()},e.handleMouseWheel=t=>{const n=t.spinY;return r=!0,e.translateCenterOnPlaneDirection(n),e.invokeInternalInteractionEvent(),r=!1,jt.EVENT_ABORT},e.handleEndMouseWheel=()=>{e.endScrolling()},e.handleMiddleButtonPress=n=>{t.widgetState.getScrollingMethod()===ux&&e.startScrolling(n.position)},e.handleMiddleButtonRelease=()=>{t.widgetState.getScrollingMethod()===ux&&e.endScrolling()},e.handleEvent=n=>t.activeState.getActive()?(e[e.getActiveInteraction()](n),e.invokeInternalInteractionEvent(),jt.EVENT_ABORT):jt.VOID,e.invokeInternalInteractionEvent=()=>{const t=e.getActiveInteraction(),n=t!==gx,r=t===gx;e.invokeInteractionEvent({computeFocalPointOffset:n,canUpdateFocalPoint:r})},e.startInteraction=()=>{e.invokeStartInteractionEvent(),e.getViewWidgets().forEach((t=>{t.getInteractor().requestAnimation(e)}))},e.endInteraction=()=>{e.invokeEndInteractionEvent(),e.getViewWidgets().forEach((t=>{t.getInteractor().cancelAnimation(e)}))},e.translateCenterOnPlaneDirection=n=>{const r=t.widgetState.getPlanes()[t.viewType].normal,o=t.widgetState.getCenter(),a=t.widgetState.getImage().getSpacing(),i=r.map((e=>Math.abs(e))),s=i.indexOf(Math.max(...i)),l=n*a[s]/Math.abs(r[s]);let c=[o[0]+l*r[0],o[1]+l*r[1],o[2]+l*r[2]];c=e.getBoundedCenter(c),t.widgetState.setCenter(c),Ix(t.widgetState,t._factory.getScaleInPixels(),t._factory.getRotationHandlePosition())},e[fx]=r=>{const o=e.getActiveLineHandle(),a=e.getActiveLineName(),i=Ho(o.getOrigin(),o.getDirection(),[]),s=o.getDirection();Qo(s);const l=e.getOtherLineHandle(a),c=t.widgetState.getCenter(),u=t.activeState?.getManipulator?.()??t.manipulator;let d=null,p=[];if(t.activeState?.getManipulator?.())d=u.handleEvent(r,t._apiSpecificRenderWindow).worldCoords,Ho(c,jo(d,n,[]),p);else if(l){const e=l.getDirection();Qo(e);const n=e,a=Xo(s,e);1!==a&&-1!==a||Yo(s,u.getWidgetNormal(),n);const f=[];d=u.handleEvent(r,t._apiSpecificRenderWindow).worldCoords,su.distanceToLine(d,o.getOrigin(),i,f),p=qo(c,n,Xo(jo(d,f,[]),n),p)}p=e.getBoundedCenter(p),t.widgetState.setCenter(p),Ix(t.widgetState,t._factory.getScaleInPixels(),t._factory.getRotationHandlePosition()),n=d},e.getBoundedCenter=e=>{const n=t.widgetState.getCenter(),r=t.widgetState.getImage().getBounds();return Ui.containsPoint(r,...e)?e:function(e,t,n){const r=[0,0,0];jo(t,e,r);const o=[0,0,0];return Ui.intersectBox(n,e,r,o,[0,0,0]),o}(e,n,r)},e[mx]=r=>{const o=t.activeState?.getManipulator?.()??t.manipulator,{worldCoords:a}=o.handleEvent(r,t._apiSpecificRenderWindow),i=jo(a,n,[]);n=a;let s=Ho(t.widgetState.getCenter(),i,[]);s=e.getBoundedCenter(s),t.widgetState.setCenter(s),Ix(t.widgetState,t._factory.getScaleInPixels(),t._factory.getRotationHandlePosition())},e[gx]=n=>{const r=e.getActiveLineHandle(),o=t.activeState?.getManipulator?.()??t.manipulator,a=o.getWidgetNormal(),{worldCoords:i}=o.handleEvent(n,t._apiSpecificRenderWindow);if(!i||!i.length)return;const s=[0,0,0];jo(i,t.widgetState.getCenter(),s),Qo(s);const l=r.getDirection();Qo(l);const c=e.getActiveRotationPointName();("point1"===c||!c&&Xo(s,l)<0)&&Ko(l,-1);const u=ta(l,s,a);e.rotateLineInView(e.getActiveLineName(),u)},e.rotateLineInView=(n,r)=>{const o=bx[Tx(n)],a=bx[Cx(n)],i=t.widgetState.getPlanes()[a].normal;if(e.rotatePlane(o,r,i),e.getKeepOrthogonality()){const o=Tx(Ax(t.widgetState,n));e.rotatePlane(bx[o],r,i)}Ix(t.widgetState,t._factory.getScaleInPixels(),t._factory.getRotationHandlePosition())},e.rotatePlane=(e,n,r)=>{const{normal:o,viewUp:a}=t.widgetState.getPlanes()[e],i=xx(o,r,n),s=xx(a,r,n);t.widgetState.getPlanes()[e]={normal:i,viewUp:s}}}const gw="default";function mw(e,t){const n=e.indexOf(t);-1!==n&&e.splice(n,1)}function hw(e,t){t.classHierarchy.push("vtkWidgetState");const n=[];t.labels={},t.nestedStates=[],e.bindState=function(r){let o=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[gw];if(t.nestedStates.push(r),n.push(r.onModified(e.modified)),Array.isArray(o)&&o.length)for(let e=0;e{for(;n.length;)n.pop().unsubscribe();mw(t.nestedStates,r);for(let r=0;r{mw(t.labels[e],r)}))},e.unbindAll=()=>{for(;n.length;)n.pop().unsubscribe();t.nestedStates=[]},e.activate=()=>e.setActive(!0),e.deactivate=n=>{n!==e&&e.setActive(!1);for(let e=0;e{t&&t.setActive(!0),e.deactivate(t)},e.getStatesWithLabel=e=>t.labels[e],e.getAllNestedStates=()=>t.nestedStates,e.delete=jt.chain(e.unbindAll,e.delete)}const vw={active:!1};var yw=function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,vw,n),jt.obj(e,t),jt.setGet(e,t,["active"]),hw(e,t)};function bw(e,t){const n=[],r=[...Ui.INIT_BOUNDS];e.containsPoint=(e,t,n)=>Array.isArray(e)?Ui.containsPoint(r,e[0],e[1],e[2]):Ui.containsPoint(r,e,t,n),e.placeWidget=o=>{t.bounds=[];const a=[(o[0]+o[1])/2,(o[2]+o[3])/2,(o[4]+o[5])/2];for(let e=0;e<6;e++){const r=a[Math.floor(e/2)];n[e]=o[e],t.bounds[e]=(o[e]-r)*t.placeFactor+r}Ui.setBounds(r,t.bounds),e.invokeBoundsChange(t.bounds),e.modified()},e.setPlaceFactor=o=>{if(t.placeFactor!==o){t.placeFactor=o,t.bounds=[];const a=[(n[0]+n[1])/2,(n[2]+n[3])/2,(n[4]+n[5])/2];for(let e=0;e<6;e++){const r=a[Math.floor(e/2)];t.bounds[e]=(n[e]-r)*t.placeFactor+r}Ui.setBounds(r,t.bounds),e.invokeBoundsChange(t.bounds),e.modified()}}}const xw={bounds:[-1,1,-1,1,-1,1],placeFactor:1};var Tw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,xw,n),jt.setGetArray(e,t,["bounds"],6),jt.get(e,t,["placeFactor"]),jt.event(e,t,"BoundsChange"),t.bounds=t.bounds.slice(),bw(e,t)}};const Cw={color:.5};var Sw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Cw,n),jt.setGet(e,t,["color"])}};const Aw={color3:[255,255,255],opacity:255};var Pw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Aw,n),jt.setGetArray(e,t,["color3"],3,255),jt.setGet(e,t,["opacity"])}};function Iw(e,t){e.translate=(t,n,r)=>{const[o,a,i]=e.getCornerByReference();e.setCorner(o+t,a+n,i+r)}}const ww={corner:[0,0,0]};var Ow={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ww,n),jt.setGetArray(e,t,["corner"],3),Iw(e)}};function Mw(e,t){const n="degree"===t.angleUnit?$f():qf();e.rotateFromDirections=(r,o)=>{n.identity().rotateFromDirections(r,o).apply(t.direction),e.modified()},e.rotate=(e,r)=>{n.identity().rotate(e,r).apply(t.direction)},e.rotateX=e=>{n.identity().rotateX(e).apply(t.direction)},e.rotateY=e=>{n.identity().rotateY(e).apply(t.direction)},e.rotateZ=e=>{n.identity().rotateZ(e).apply(t.direction)}}const Rw={direction:[1,0,0]};var Vw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Rw,n),jt.setGetArray(e,t,["direction"],3),Mw(e,t)}};function Ew(e,t){e.updateManipulator=()=>{if(t.manipulator){const{origin:e,normal:n,direction:r}=t,{setHandleOrigin:o,setHandleCenter:a,setHandleNormal:i,setHandleDirection:s}=t.manipulator;e&&o?o(e):e&&a&&a(e),r&&s?s(r):r&&!n&&i?i(r):n&&s&&s(n)}}}const Dw={manipulator:null};var Lw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Dw,n),jt.setGet(e,t,["manipulator"]),Ew(e,t)}};const Bw={name:""};var Nw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Bw,n),jt.setGet(e,t,["name"])}};function kw(e,t){return 3===e.length&&3===t.length&&e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]}function Fw(e,t){const n={o:[],p1:[],p2:[]};e.normalize=()=>{Qo(t.up),Qo(t.right),Qo(t.direction),e.modified()},e.updateFromOriginRightUp=(r,o,a)=>{(function(e,t,n,r){return kw(e,r.o)&&kw(t,r.p1)&&kw(n,r.p2)})(r,o,a,n)||(n.o=r.slice(),n.p1=o.slice(),n.p2=a.slice(),t.up=[a[0]-r[0],a[1]-r[1],a[2]-r[2]],t.right=[o[0]-r[0],o[1]-r[1],o[2]-r[2]],Yo(t.up,t.right,t.direction),Yo(t.direction,t.up,t.right),e.normalize(),e.modified())}}const _w={up:[0,1,0],right:[1,0,0],direction:[0,0,1]};var Gw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,_w,n),jt.setGetArray(e,t,["up","right","direction"],3),Fw(e,t)}};function Uw(e,t){const n={...e};e.translate=(t,n,r)=>{const[o,a,i]=e.getOriginByReference();e.setOrigin(o+t,a+n,i+r)},e.getOrigin=e=>{const r=n.getOrigin();if(!t.offset)return r;if(!e)return za.add(r,t.offset,r);const o=YP(r,e),{rendererPixelDims:a}=e,i=Math.min(a[0],a[1]);return za.multiplyAccumulate(r,t.offset,i*o,r)}}const Ww={origin:null,offset:null};var zw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ww,n),jt.setGetArray(e,t,["origin","offset"],3),Uw(e,t)}};const Hw={scale1:.5};var jw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Hw,n),jt.setGet(e,t,["scale1"])}};const Kw={scale3:[1,1,1]};var $w={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Kw,n),jt.setGetArray(e,t,["scale3"],3)}};const qw={text:"DefaultText"};var Xw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,qw,n),jt.setGet(e,t,["text"])}};const Yw={visible:!0};var Zw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Yw,n),jt.setGet(e,t,["visible"]),e.isVisible=e.getVisible}};const Qw={shape:""};var Jw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Qw,n),jt.setGet(e,t,["shape"])}};const{vtkErrorMacro:eO}=jt,tO={bounds:Tw,color:Sw,color3:Pw,corner:Ow,direction:Vw,manipulator:Lw,name:Nw,orientation:Gw,origin:zw,scale1:jw,scale3:$w,text:Xw,visible:Zw,shape:Jw};function nO(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{},o=arguments.length>4&&void 0!==arguments[4]&&arguments[4];o||yw(n,r,t);for(let o=0;o{const r=nO(n,{...o,...e});return this.publicAPI.bindState(r,t),this.model[a].push(r),this.publicAPI.modified(),r},this.publicAPI[`remove${jt.capitalize(r)}`]=e=>{let t=this.model[a].indexOf(e);-1===t&&ethis.model[a].slice(),this.publicAPI[`clear${jt.capitalize(r)}List`]=()=>{for(;this.model[a].length;){const e=this.model[a].pop();e&&this.publicAPI.unbindState(e)}this.publicAPI.modified()},this}addStateFromMixin(e){let{labels:t,mixins:n,name:r,initialValues:o}=e;const a=nO(n,o);return this.model[r]=a,this.publicAPI.bindState(a,t),jt.setGet(this.publicAPI,this.model,[r]),this}addStateFromInstance(e){let{labels:t,name:n,instance:r}=e;return this.model[n]=r,this.publicAPI.bindState(r,t),jt.setGet(this.publicAPI,this.model,[n]),this}addField(e){let{name:t,initialValue:n}=e;return Array.isArray(n)?jt.setGetArray(this.publicAPI,this.model,[t],n.length):jt.setGet(this.publicAPI,this.model,[t]),this.model[t]=n,this}build(){for(var e=arguments.length,t=new Array(e),n=0;n0&&void 0!==arguments[0]?arguments[0]:vx;const t=oO().addField({name:"center",initialValue:[0,0,0]}).addField({name:"image",initialValue:null}).addField({name:"activeViewType",initialValue:null}).addField({name:"planes",initialValue:e.reduce(((e,t)=>({...e,[bx[t]]:{normal:aO[t].normal,viewUp:aO[t].viewUp}})),{})}).addField({name:"scrollingMethod",initialValue:ux}).addField({name:"cameraOffsets",initialValue:{}}).addField({name:"viewUpFromViewType",initialValue:{}}).addStateFromMixin({labels:["handles","sphere","center"],mixins:["origin","color3","scale1","visible","manipulator"],name:"centerHandle",initialValues:{scale1:30,color3:[255,255,255]}});return e.reduce(((t,n)=>e.filter((e=>e!==n)).reduce(((e,t)=>{e.addStateFromMixin({labels:["handles","line",`lineIn${n}`,`${t}in${n}`],mixins:["origin","color3","scale3","orientation","visible","manipulator"],name:`axis${t}in${n}`,initialValues:{scale3:[4,4,4],color3:iO[t]}});for(let r=0;r<2;++r)e.addStateFromMixin({labels:["handles","sphere","rotation",`rotationIn${n}`,`${t}in${n}`,`point${r}`],mixins:["origin","color3","scale1","visible","manipulator"],name:`rotationHandle${t}in${n}${r}`,initialValues:{scale1:30,color3:iO[t]}});return e}),t)),t),t.build()}const{vtkErrorMacro:lO}=jt;function cO(e,t){t.classHierarchy.push("vtkResliceCursorWidget"),t.methodsToLink=["scaleInPixels"],e.getRepresentationsForViewType=e=>{switch(e){case sx.XY_PLANE:case sx.XZ_PLANE:case sx.YZ_PLANE:return[{builder:cw,labels:[`lineIn${yx[e]}`],initialValues:{useActiveColor:!1,scaleInPixels:t.scaleInPixels}},{builder:pw,labels:[`rotationIn${yx[e]}`],initialValues:{useActiveColor:!1,scaleInPixels:t.scaleInPixels,lighting:!1}},{builder:pw,labels:["center"],initialValues:{useActiveColor:!1,scaleInPixels:t.scaleInPixels,lighting:!1}}];case sx.DEFAULT:case sx.GEOMETRY:case sx.SLICE:case sx.VOLUME:default:return[]}},e.setImage=e=>{t.widgetState.setImage(e);const n=e.getCenter();t.widgetState.setCenter(n),Ix(t.widgetState,t.scaleInPixels,t.rotationHandlePosition)},e.setCenter=n=>{t.widgetState.setCenter(n),Ix(t.widgetState,t.scaleInPixels,t.rotationHandlePosition),e.modified()},e.updateCameraPoints=(n,r,o,a,i)=>{e.resetCamera(n,r,o,a),i&&function(e,n){const r=n.getActiveCamera().getFocalPoint(),o=t.widgetState.getCenter(),a=n.getRenderWindow().getViews()[0].getViewportSize(n),i=a[0]/a[1],s=jo(n.worldToNormalizedDisplay(...r,i),n.worldToNormalizedDisplay(...o,i),[0,0,0]),l=t.widgetState.getCameraOffsets();l[e]=s,t.widgetState.setCameraOffsets(l)}(r,n)},e.resetCamera=(n,r,o,a)=>{const i=t.widgetState.getImage().getCenter(),s=n.getActiveCamera().getFocalPoint(),l=n.getActiveCamera().getPosition(),c=Math.sqrt(ea(l,s)),u=e.getPlaneNormalFromViewType(r),d=o?i:s,p=qo(d,u,c,[0,0,0]);n.getActiveCamera().setFocalPoint(...d),n.getActiveCamera().setPosition(...p),n.getActiveCamera().setViewUp(t.widgetState.getPlanes()[r].viewUp),function(e,n,r,o,a){const i=e.getActiveCamera().getFocalPoint(),s=e.getActiveCamera().getDistance(),l=qo(i,n,s,[0,0,0]);let c=i;if(o&&(c=ri.intersectWithLine(i,l,t.widgetState.getCenter(),n).x),a){const o=t.widgetState.getCenter(),a=e.getRenderWindow().getViews()[0].getViewportSize(e),i=a[0]/a[1],s=Ho(e.worldToNormalizedDisplay(...o,i),t.widgetState.getCameraOffsets()[r],[0,0,0]),u=e.normalizedDisplayToWorld(...s,i),d=ri.intersectWithLine(u,l,o,n);c[0]=d.x[0],c[1]=d.x[1],c[2]=d.x[2]}e.getActiveCamera().setFocalPoint(c[0],c[1],c[2]);const u=qo(c,n,s,[0,0,0]);e.getActiveCamera().setPosition(u[0],u[1],u[2]);const d=t.widgetState.getImage().getBounds();o&&e.resetCamera(d),e.resetCameraClippingRange(d)}(n,u,r,o,a)},e.getPlaneSource=n=>{const r=function(n){const r=t.widgetState.getImage().getBounds(),o=e.getWidgetState().getCenter(),a=t.widgetState.getImage().getCenter(),i=[];for(let e=0;e<3;e++)i[e]=-Math.abs(o[e]-a[e]),i[e]*=2;const s=cI.newInstance();return n===sx.XZ_PLANE?(s.setOrigin(r[0]+i[0],o[1],r[4]+i[2]),s.setPoint1(r[1]-i[0],o[1],r[4]+i[2]),s.setPoint2(r[0]+i[0],o[1],r[5]-i[2])):n===sx.XY_PLANE?(s.setOrigin(r[0]+i[0],r[2]+i[1],o[2]),s.setPoint1(r[1]-i[0],r[2]+i[1],o[2]),s.setPoint2(r[0]+i[0],r[3]-i[1],o[2])):n===sx.YZ_PLANE&&(s.setOrigin(o[0],r[2]+i[1],r[4]+i[2]),s.setPoint1(o[0],r[3]-i[1],r[4]+i[2]),s.setPoint2(o[0],r[2]+i[1],r[5]-i[2])),s}(n),{normal:o,viewUp:a}=t.widgetState.getPlanes()[n];!function(e,t,n,r){e.setNormal(n);const o=ta(jo(e.getPoint2(),e.getOrigin(),[]),r,n);e.rotate(o,n),e.setCenter(t)}(r,t.widgetState.getCenter(),o,a);const i=[...r.getOrigin()],s=[...r.getPoint1()],l=[...r.getPoint2()];return function(e,t,n,r){const o=[];jo(n,t,o),Qo(o);const a=[];jo(r,t,a),Qo(a);const i=[0,0,1];Yo(o,a,i),Qo(i);const s=[...e],l=[...i];Ko(l,1e-6),Ui.addBounds(s,e[0]+l[0],e[1]+l[0],e[2]+l[1],e[3]+l[1],e[4]+l[2],e[5]+l[2]),Ui.addBounds(s,e[0]-l[0],e[1]-l[0],e[2]-l[1],e[3]-l[1],e[4]-l[2],e[5]-l[2]);const 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e[0]=(1-(g+h))*x,e[1]=(p+b)*x,e[2]=(f-y)*x,e[3]=0,e[4]=(p-b)*T,e[5]=(1-(d+h))*T,e[6]=(m+v)*T,e[7]=0,e[8]=(f+y)*C,e[9]=(m-v)*C,e[10]=(1-(d+g))*C,e[11]=0,e[12]=n[0],e[13]=n[1],e[14]=n[2],e[15]=1,e}function F(e,t,n,r,o){var a=t[0],i=t[1],s=t[2],l=t[3],c=a+a,u=i+i,d=s+s,p=a*c,f=a*u,g=a*d,m=i*u,h=i*d,v=s*d,y=l*c,b=l*u,x=l*d,T=r[0],C=r[1],S=r[2],A=o[0],P=o[1],I=o[2],w=(1-(m+v))*T,O=(f+x)*T,M=(g-b)*T,R=(f-x)*C,V=(1-(p+v))*C,E=(h+y)*C,D=(g+b)*S,L=(h-y)*S,B=(1-(p+m))*S;return e[0]=w,e[1]=O,e[2]=M,e[3]=0,e[4]=R,e[5]=V,e[6]=E,e[7]=0,e[8]=D,e[9]=L,e[10]=B,e[11]=0,e[12]=n[0]+A-(w*A+R*P+D*I),e[13]=n[1]+P-(O*A+V*P+L*I),e[14]=n[2]+I-(M*A+E*P+B*I),e[15]=1,e}function _(e,t){var n=t[0],r=t[1],o=t[2],a=t[3],i=n+n,s=r+r,l=o+o,c=n*i,u=r*i,d=r*s,p=o*i,f=o*s,g=o*l,m=a*i,h=a*s,v=a*l;return e[0]=1-d-g,e[1]=u+v,e[2]=p-h,e[3]=0,e[4]=u-v,e[5]=1-c-g,e[6]=f+m,e[7]=0,e[8]=p+h,e[9]=f-m,e[10]=1-c-d,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e}function G(e,t,n,r,o,a,i){var s=1/(n-t),l=1/(o-r),c=1/(a-i);return e[0]=2*a*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=2*a*l,e[6]=0,e[7]=0,e[8]=(n+t)*s,e[9]=(o+r)*l,e[10]=(i+a)*c,e[11]=-1,e[12]=0,e[13]=0,e[14]=i*a*2*c,e[15]=0,e}function U(e,t,n,r,o){var a,i=1/Math.tan(t/2);return e[0]=i/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=i,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(a=1/(r-o),e[10]=(o+r)*a,e[14]=2*o*r*a):(e[10]=-1,e[14]=-2*r),e}Math.hypot||(Math.hypot=function(){for(var e=0,t=arguments.length;t--;)e+=arguments[t]*arguments[t];return Math.sqrt(e)});var W=U;function z(e,t,n,r,o){var a,i=1/Math.tan(t/2);return e[0]=i/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=i,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(a=1/(r-o),e[10]=o*a,e[14]=o*r*a):(e[10]=-1,e[14]=-r),e}function H(e,t,n,r){var o=Math.tan(t.upDegrees*Math.PI/180),a=Math.tan(t.downDegrees*Math.PI/180),i=Math.tan(t.leftDegrees*Math.PI/180),s=Math.tan(t.rightDegrees*Math.PI/180),l=2/(i+s),c=2/(o+a);return e[0]=l,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=c,e[6]=0,e[7]=0,e[8]=-(i-s)*l*.5,e[9]=(o-a)*c*.5,e[10]=r/(n-r),e[11]=-1,e[12]=0,e[13]=0,e[14]=r*n/(n-r),e[15]=0,e}function j(e,t,n,r,o,a,i){var s=1/(t-n),l=1/(r-o),c=1/(a-i);return e[0]=-2*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*l,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=2*c,e[11]=0,e[12]=(t+n)*s,e[13]=(o+r)*l,e[14]=(i+a)*c,e[15]=1,e}var K=j;function $(e,t,n,r,o,a,i){var s=1/(t-n),l=1/(r-o),c=1/(a-i);return e[0]=-2*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*l,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=c,e[11]=0,e[12]=(t+n)*s,e[13]=(o+r)*l,e[14]=a*c,e[15]=1,e}function q(e,t,n,r){var o,i,s,l,c,u,d,p,f,m,h=t[0],v=t[1],y=t[2],b=r[0],x=r[1],T=r[2],C=n[0],S=n[1],A=n[2];return Math.abs(h-C)0&&(u*=f=1/Math.sqrt(f),d*=f,p*=f);var g=l*p-c*d,m=c*u-s*p,h=s*d-l*u;return(f=g*g+m*m+h*h)>0&&(g*=f=1/Math.sqrt(f),m*=f,h*=f),e[0]=g,e[1]=m,e[2]=h,e[3]=0,e[4]=d*h-p*m,e[5]=p*g-u*h,e[6]=u*m-d*g,e[7]=0,e[8]=u,e[9]=d,e[10]=p,e[11]=0,e[12]=o,e[13]=a,e[14]=i,e[15]=1,e}function Y(e){return"mat4("+e[0]+", "+e[1]+", "+e[2]+", "+e[3]+", "+e[4]+", "+e[5]+", "+e[6]+", "+e[7]+", "+e[8]+", "+e[9]+", "+e[10]+", "+e[11]+", "+e[12]+", "+e[13]+", "+e[14]+", "+e[15]+")"}function Z(e){return Math.hypot(e[0],e[1],e[2],e[3],e[4],e[5],e[6],e[7],e[8],e[9],e[10],e[11],e[12],e[13],e[14],e[15])}function Q(e,t,n){return e[0]=t[0]+n[0],e[1]=t[1]+n[1],e[2]=t[2]+n[2],e[3]=t[3]+n[3],e[4]=t[4]+n[4],e[5]=t[5]+n[5],e[6]=t[6]+n[6],e[7]=t[7]+n[7],e[8]=t[8]+n[8],e[9]=t[9]+n[9],e[10]=t[10]+n[10],e[11]=t[11]+n[11],e[12]=t[12]+n[12],e[13]=t[13]+n[13],e[14]=t[14]+n[14],e[15]=t[15]+n[15],e}function J(e,t,n){return e[0]=t[0]-n[0],e[1]=t[1]-n[1],e[2]=t[2]-n[2],e[3]=t[3]-n[3],e[4]=t[4]-n[4],e[5]=t[5]-n[5],e[6]=t[6]-n[6],e[7]=t[7]-n[7],e[8]=t[8]-n[8],e[9]=t[9]-n[9],e[10]=t[10]-n[10],e[11]=t[11]-n[11],e[12]=t[12]-n[12],e[13]=t[13]-n[13],e[14]=t[14]-n[14],e[15]=t[15]-n[15],e}function ee(e,t,n){return e[0]=t[0]*n,e[1]=t[1]*n,e[2]=t[2]*n,e[3]=t[3]*n,e[4]=t[4]*n,e[5]=t[5]*n,e[6]=t[6]*n,e[7]=t[7]*n,e[8]=t[8]*n,e[9]=t[9]*n,e[10]=t[10]*n,e[11]=t[11]*n,e[12]=t[12]*n,e[13]=t[13]*n,e[14]=t[14]*n,e[15]=t[15]*n,e}function te(e,t,n,r){return e[0]=t[0]+n[0]*r,e[1]=t[1]+n[1]*r,e[2]=t[2]+n[2]*r,e[3]=t[3]+n[3]*r,e[4]=t[4]+n[4]*r,e[5]=t[5]+n[5]*r,e[6]=t[6]+n[6]*r,e[7]=t[7]+n[7]*r,e[8]=t[8]+n[8]*r,e[9]=t[9]+n[9]*r,e[10]=t[10]+n[10]*r,e[11]=t[11]+n[11]*r,e[12]=t[12]+n[12]*r,e[13]=t[13]+n[13]*r,e[14]=t[14]+n[14]*r,e[15]=t[15]+n[15]*r,e}function ne(e,t){return e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]&&e[4]===t[4]&&e[5]===t[5]&&e[6]===t[6]&&e[7]===t[7]&&e[8]===t[8]&&e[9]===t[9]&&e[10]===t[10]&&e[11]===t[11]&&e[12]===t[12]&&e[13]===t[13]&&e[14]===t[14]&&e[15]===t[15]}function re(e,t){var n=e[0],r=e[1],o=e[2],i=e[3],s=e[4],l=e[5],c=e[6],u=e[7],d=e[8],p=e[9],f=e[10],g=e[11],m=e[12],h=e[13],v=e[14],y=e[15],b=t[0],x=t[1],T=t[2],C=t[3],S=t[4],A=t[5],P=t[6],I=t[7],w=t[8],O=t[9],M=t[10],R=t[11],V=t[12],E=t[13],D=t[14],L=t[15];return 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i!=Float32Array&&(e[1]=0,e[2]=0,e[3]=0,e[5]=0,e[6]=0,e[7]=0),e[0]=1,e[4]=1,e[8]=1,e}function se(e,t){return e[0]=t[0],e[1]=t[1],e[2]=t[2],e[3]=t[4],e[4]=t[5],e[5]=t[6],e[6]=t[8],e[7]=t[9],e[8]=t[10],e}function le(e){var t=new i(9);return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3],t[4]=e[4],t[5]=e[5],t[6]=e[6],t[7]=e[7],t[8]=e[8],t}function ce(e,t){return e[0]=t[0],e[1]=t[1],e[2]=t[2],e[3]=t[3],e[4]=t[4],e[5]=t[5],e[6]=t[6],e[7]=t[7],e[8]=t[8],e}function ue(e,t,n,r,o,a,s,l,c){var u=new i(9);return u[0]=e,u[1]=t,u[2]=n,u[3]=r,u[4]=o,u[5]=a,u[6]=s,u[7]=l,u[8]=c,u}function de(e,t,n,r,o,a,i,s,l,c){return e[0]=t,e[1]=n,e[2]=r,e[3]=o,e[4]=a,e[5]=i,e[6]=s,e[7]=l,e[8]=c,e}function pe(e){return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=1,e[5]=0,e[6]=0,e[7]=0,e[8]=1,e}function fe(e,t){if(e===t){var n=t[1],r=t[2],o=t[5];e[1]=t[3],e[2]=t[6],e[3]=n,e[5]=t[7],e[6]=r,e[7]=o}else e[0]=t[0],e[1]=t[3],e[2]=t[6],e[3]=t[1],e[4]=t[4],e[5]=t[7],e[6]=t[2],e[7]=t[5],e[8]=t[8];return e}function ge(e,t){var 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ss(e,t){t.classHierarchy.push("vtkProp3D"),e.addPosition=n=>{t.position=t.position.map(((e,t)=>e+n[t])),e.modified()},e.getOrientationWXYZ=()=>{const e=Hi();N(e,t.rotation);const n=new Float64Array(3),r=function(e,t){var n=2*Math.acos(t[3]),r=Math.sin(n/2);return r>a?(e[0]=t[0]/r,e[1]=t[1]/r,e[2]=t[2]/r):(e[0]=1,e[1]=0,e[2]=0),n}(n,e);return[Do(r),n[0],n[1],n[2]]},e.rotateX=n=>{0!==n&&(S(t.rotation,t.rotation,Eo(n)),e.modified())},e.rotateY=n=>{0!==n&&(A(t.rotation,t.rotation,Eo(n)),e.modified())},e.rotateZ=n=>{0!==n&&(P(t.rotation,t.rotation,Eo(n)),e.modified())},e.rotateWXYZ=(n,r,o,a)=>{if(0===n||0===r&&0===o&&0===a)return;const i=Eo(n),s=Hi();ji(s,[r,o,a],i);const l=new Float64Array(16);_(l,s),b(t.rotation,t.rotation,l),e.modified()},e.setOrientation=(n,r,o)=>(n!==t.orientation[0]||r!==t.orientation[1]||o!==t.orientation[2])&&(t.orientation=[n,r,o],g(t.rotation),e.rotateZ(o),e.rotateX(n),e.rotateY(r),e.modified(),!0),e.setUserMatrix=n=>!ua(t.userMatrix,n)&&(d(t.userMatrix,n),e.modified(),!0),e.getMatrix=()=>(e.computeMatrix(),t.matrix),e.computeMatrix=()=>{if(e.getMTime()>t.matrixMTime.getMTime()){g(t.matrix),t.userMatrix&&b(t.matrix,t.matrix,t.userMatrix),x(t.matrix,t.matrix,t.origin),x(t.matrix,t.matrix,t.position),b(t.matrix,t.matrix,t.rotation),T(t.matrix,t.matrix,t.scale),x(t.matrix,t.matrix,[-t.origin[0],-t.origin[1],-t.origin[2]]),m(t.matrix,t.matrix),t.isIdentity=!0;for(let e=0;e<4;++e)for(let 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us={newInstance:jt.newInstance(cs,"vtkProp3D"),extend:cs};const ds={FLAT:0,GOURAUD:1,PHONG:2},ps={POINTS:0,WIREFRAME:1,SURFACE:2};var fs={Shading:ds,Representation:ps,Interpolation:ds};const{Representation:gs,Interpolation:ms}=fs;function hs(e){return()=>jt.vtkErrorMacro(`vtkProperty::${e} - NOT IMPLEMENTED`)}function vs(e,t){t.classHierarchy.push("vtkProperty"),e.setColor=(n,r,o)=>{Array.isArray(n)?t.color[0]===n[0]&&t.color[1]===n[1]&&t.color[2]===n[2]||(t.color[0]=n[0],t.color[1]=n[1],t.color[2]=n[2],e.modified()):t.color[0]===n&&t.color[1]===r&&t.color[2]===o||(t.color[0]=n,t.color[1]=r,t.color[2]=o,e.modified()),e.setDiffuseColor(t.color),e.setAmbientColor(t.color),e.setSpecularColor(t.color)},e.computeCompositeColor=hs("ComputeCompositeColor"),e.getColor=()=>{let e=0;t.ambient+t.diffuse+t.specular>0&&(e=1/(t.ambient+t.diffuse+t.specular));for(let n=0;n<3;n++)t.color[n]=e*(t.ambient*t.ambientColor[n]+t.diffuse*t.diffuseColor[n]+t.specular*t.specularColor[n]);return[].concat(t.color)},e.setSpecularPower=n=>{const r=1/Math.max(1,n);t.roughness===r&&t.specularPower===n||(t.specularPower=n,t.roughness=r,e.modified())},e.addShaderVariable=hs("AddShaderVariable"),e.setInterpolationToFlat=()=>e.setInterpolation(ms.FLAT),e.setInterpolationToGouraud=()=>e.setInterpolation(ms.GOURAUD),e.setInterpolationToPhong=()=>e.setInterpolation(ms.PHONG),e.getInterpolationAsString=()=>jt.enumToString(ms,t.interpolation),e.setRepresentationToWireframe=()=>e.setRepresentation(gs.WIREFRAME),e.setRepresentationToSurface=()=>e.setRepresentation(gs.SURFACE),e.setRepresentationToPoints=()=>e.setRepresentation(gs.POINTS),e.getRepresentationAsString=()=>jt.enumToString(gs,t.representation)}const ys={color:[1,1,1],ambientColor:[1,1,1],diffuseColor:[1,1,1],specularColor:[1,1,1],edgeColor:[0,0,0],ambient:0,diffuse:1,metallic:0,roughness:.6,normalStrength:1,emission:1,baseIOR:1.45,specular:0,specularPower:1,opacity:1,interpolation:ms.GOURAUD,representation:gs.SURFACE,edgeVisibility:!1,backfaceCulling:!1,frontfaceCulling:!1,pointSize:1,lineWidth:1,lighting:!0,shading:!1,materialName:null};function bs(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ys,n),jt.obj(e,t),jt.setGet(e,t,["lighting","interpolation","ambient","diffuse","metallic","roughness","normalStrength","emission","baseIOR","specular","specularPower","opacity","edgeVisibility","lineWidth","pointSize","backfaceCulling","frontfaceCulling","representation","diffuseTexture","metallicTexture","roughnessTexture","normalTexture","ambientOcclusionTexture","emissionTexture"]),jt.setGetArray(e,t,["ambientColor","specularColor","diffuseColor","edgeColor"],3),vs(e,t)}var xs={newInstance:jt.newInstance(bs,"vtkProperty"),extend:bs,...fs};const{vtkDebugMacro:Ts}=jt;function Cs(e,t){t.classHierarchy.push("vtkActor");const n={...e};e.getActors=()=>[e],e.getIsOpaque=()=>{if(t.forceOpaque)return!0;if(t.forceTranslucent)return!1;t.property||e.getProperty();let n=t.property.getOpacity()>=1;return n=n&&(!t.texture||!t.texture.isTranslucent()),n=n&&(!t.mapper||t.mapper.getIsOpaque()),n},e.hasTranslucentPolygonalGeometry=()=>null!==t.mapper&&(null===t.property&&e.setProperty(e.makeProperty()),!e.getIsOpaque()),e.makeProperty=xs.newInstance,e.getProperty=()=>(null===t.property&&(t.property=e.makeProperty()),t.property),e.getBounds=()=>{if(null===t.mapper)return t.bounds;const n=t.mapper.getBounds();if(!n||6!==n.length)return n;if(n[0]>n[1])return t.mapperBounds=n.concat(),t.bounds=[1,-1,1,-1,1,-1],t.boundsMTime.modified(),n;if(!t.mapperBounds||n[0]!==t.mapperBounds[0]||n[1]!==t.mapperBounds[1]||n[2]!==t.mapperBounds[2]||n[3]!==t.mapperBounds[3]||n[4]!==t.mapperBounds[4]||n[5]!==t.mapperBounds[5]||e.getMTime()>t.boundsMTime.getMTime()){Ts("Recomputing bounds..."),t.mapperBounds=n.concat();const r=[];Ui.getCorners(n,r),e.computeMatrix();const o=new Float64Array(16);m(o,t.matrix),r.forEach((e=>Ln(e,e,o))),t.bounds[0]=t.bounds[2]=t.bounds[4]=Number.MAX_VALUE,t.bounds[1]=t.bounds[3]=t.bounds[5]=-Number.MAX_VALUE,t.bounds=t.bounds.map(((e,t)=>t%2==0?r.reduce(((e,n)=>e>n[t/2]?n[t/2]:e),e):r.reduce(((e,n)=>e{let e=n.getMTime();if(null!==t.property){const n=t.property.getMTime();e=n>e?n:e}if(null!==t.backfaceProperty){const n=t.backfaceProperty.getMTime();e=n>e?n:e}return e},e.getRedrawMTime=()=>{let e=t.mtime;if(null!==t.mapper){let n=t.mapper.getMTime();e=n>e?n:e,null!==t.mapper.getInput()&&(t.mapper.getInputAlgorithm().update(),n=t.mapper.getInput().getMTime(),e=n>e?n:e)}return e},e.getSupportsSelection=()=>!!t.mapper&&t.mapper.getSupportsSelection(),e.processSelectorPixelBuffers=(e,n)=>{t.mapper&&t.mapper.processSelectorPixelBuffers&&t.mapper.processSelectorPixelBuffers(e,n)}}const Ss={mapper:null,property:null,backfaceProperty:null,forceOpaque:!1,forceTranslucent:!1,bounds:[1,-1,1,-1,1,-1]};function As(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ss,n),us.extend(e,t,n),t.boundsMTime={},jt.obj(t.boundsMTime),jt.set(e,t,["property"]),jt.setGet(e,t,["backfaceProperty","forceOpaque","forceTranslucent","mapper"]),Cs(e,t)}var Ps={newInstance:jt.newInstance(As,"vtkActor"),extend:As};const Is={Int8Array:1,Uint8Array:1,Uint8ClampedArray:1,Int16Array:2,Uint16Array:2,Int32Array:4,Uint32Array:4,Float32Array:4,Float64Array:8},ws={VOID:"",CHAR:"Int8Array",SIGNED_CHAR:"Int8Array",UNSIGNED_CHAR:"Uint8Array",SHORT:"Int16Array",UNSIGNED_SHORT:"Uint16Array",INT:"Int32Array",UNSIGNED_INT:"Uint32Array",FLOAT:"Float32Array",DOUBLE:"Float64Array"};var Os={DefaultDataType:ws.FLOAT,DataTypeByteSize:Is,VtkDataTypes:ws};const{vtkErrorMacro:Ms}=Kt,{DefaultDataType:Rs}=Os,Vs=1e-6;function Es(e,t,n){const r=e.length;let o,a,i=Number.MAX_VALUE,s=-Number.MAX_VALUE;for(a=t;as&&(s=o);return{min:i,max:s}}function Ds(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:1;if(t<0&&n>1){const t=e.length/n,r=new Float64Array(t);for(let o=0,a=0;o1&&void 0!==arguments[1]?arguments[1]:0;const n=e||[];for(;n.length<=t;)n.push(null);return n}function Bs(e){return Object.prototype.toString.call(e).slice(8,-1)}const Ns={computeRange:Ds,createRangeHelper:function(){let e=Number.MAX_VALUE,t=-Number.MAX_VALUE,n=0,r=0;return{add(o){e>o&&(e=o),t({min:e,max:t,count:n,sum:r,mean:r/n}),getRange:()=>({min:e,max:t})}},fastComputeRange:Es,getDataType:Bs,getMaxNorm:function(e){const t=e.getNumberOfComponents();let n=0;const r=new Array(t);for(let o=0;on&&(n=a)}return n}};function ks(e,t){function n(n){if(n<0)return!1;const r=e.getNumberOfComponents(),o=t.values.length/(r>0?r:1);if(n===o)return!0;if(n>o){const e=t.values;return t.values=at(t.dataType,(n+o)*r),t.values.set(e),!0}return t.size>n*r&&(t.size=n*r,e.dataChange()),!0}t.classHierarchy.push("vtkDataArray"),e.dataChange=()=>{t.ranges=null,e.modified()},e.resize=r=>{n(r);const o=r*e.getNumberOfComponents();return t.size!==o&&(t.size=o,e.dataChange(),!0)},e.initialize=()=>{e.resize(0)},e.getElementComponentSize=()=>t.values.BYTES_PER_ELEMENT,e.getComponent=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;return t.values[e*t.numberOfComponents+n]},e.setComponent=(n,r,o)=>{o!==t.values[n*t.numberOfComponents+r]&&(t.values[n*t.numberOfComponents+r]=o,e.dataChange())},e.getValue=n=>{const r=n/t.numberOfComponents,o=n%t.numberOfComponents;return e.getComponent(r,o)},e.setValue=(n,r)=>{const o=n/t.numberOfComponents,a=n%t.numberOfComponents;e.setComponent(o,a,r)},e.getData=()=>t.size===t.values.length?t.values:t.values.subarray(0,t.size),e.getRange=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:-1,r=n;r<0&&(r=1===t.numberOfComponents?0:t.numberOfComponents);let o=null;return t.ranges||(t.ranges=Ls(t.ranges,t.numberOfComponents)),o=t.ranges[r],o?(t.rangeTuple[0]=o.min,t.rangeTuple[1]=o.max,t.rangeTuple):(o=Ds(e.getData(),n,t.numberOfComponents),t.ranges[r]=o,t.rangeTuple[0]=o.min,t.rangeTuple[1]=o.max,t.rangeTuple)},e.setRange=(e,n)=>{t.ranges||(t.ranges=Ls(t.ranges,t.numberOfComponents));const r={min:e.min,max:e.max};return t.ranges[n]=r,t.rangeTuple[0]=r.min,t.rangeTuple[1]=r.max,t.rangeTuple},e.setTuple=(e,n)=>{const r=e*t.numberOfComponents;for(let e=0;e{let r=e*t.numberOfComponents;const o=Math.min(n.length,t.size-r);for(let e=0;e(t.size<=r*t.numberOfComponents&&(t.size=(r+1)*t.numberOfComponents,n(r+1)),e.setTuple(r,o),r),e.insertTuples=(r,o)=>{const a=r+o.length/t.numberOfComponents;return t.size{const r=t.size/t.numberOfComponents;return e.insertTuple(r,n)},e.insertNextTuples=n=>{const r=t.size/t.numberOfComponents;return e.insertTuples(r,n)},e.findTuple=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:Vs;for(let r=0;rn){o=!1;break}if(o)return r/t.numberOfComponents}return-1},e.getTuple=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];const r=t.numberOfComponents||1,o=e*r;switch(r){case 4:n[3]=t.values[o+3];case 3:n[2]=t.values[o+2];case 2:n[1]=t.values[o+1];case 1:n[0]=t.values[o];break;default:for(let e=r-1;e>=0;--e)n[e]=t.values[o+e]}return n},e.getTuples=(n,r)=>{const o=(n??0)*t.numberOfComponents,a=(r??e.getNumberOfTuples())*t.numberOfComponents,i=e.getData().subarray(o,a);return i.length>0?i:null},e.getTupleLocation=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:1;return e*t.numberOfComponents},e.getNumberOfComponents=()=>t.numberOfComponents,e.getNumberOfValues=()=>t.size,e.getNumberOfTuples=()=>t.size/t.numberOfComponents,e.getDataType=()=>t.dataType,e.newClone=()=>Gs({empty:!0,name:t.name,dataType:t.dataType,numberOfComponents:t.numberOfComponents}),e.getName=()=>(t.name||(e.modified(),t.name=`vtkDataArray${e.getMTime()}`),t.name),e.setData=(n,r)=>{t.values=n,t.size=n.length,t.dataType=Bs(n),r&&(t.numberOfComponents=r),t.size%t.numberOfComponents!=0&&(t.numberOfComponents=1),e.dataChange()},e.getState=()=>{if(t.deleted)return null;const n={...t,vtkClass:e.getClassName()};n.values=Array.from(n.values),delete n.buffer,Object.keys(n).forEach((e=>{n[e]||delete n[e]}));const r={};return Object.keys(n).sort().forEach((e=>{r[e]=n[e]})),r.mtime&&delete r.mtime,r},e.deepCopy=n=>{const r=e.getDataType(),o=t.values;e.shallowCopy(n),o?.length>=n.getNumberOfValues()&&r===n.getDataType()?(o.set(n.getData()),t.values=o,e.dataChange()):e.setData(n.getData().slice())},e.interpolateTuple=(n,r,o,a,i,s)=>{const l=t.numberOfComponents||1;l===r.getNumberOfComponents()&&l===a.getNumberOfComponents()||Ms("numberOfComponents must match");const c=r.getTuple(o),u=a.getTuple(i),d=[];switch(d.length=l,l){case 4:d[3]=c[3]+(u[3]-c[3])*s;case 3:d[2]=c[2]+(u[2]-c[2])*s;case 2:d[1]=c[1]+(u[1]-c[1])*s;case 1:d[0]=c[0]+(u[0]-c[0])*s;break;default:for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};if(Object.assign(t,Fs,n),!t.empty&&!t.values&&!t.size)throw new TypeError("Cannot create vtkDataArray object without: size > 0, values");if(t.values?Array.isArray(t.values)&&(t.values=it(t.dataType,t.values)):t.values=at(t.dataType,t.size),t.values&&(t.size=t.size??t.values.length,t.dataType=Bs(t.values)),yt(e,t),St(e,t,["name","numberOfComponents"]),t.size%t.numberOfComponents!=0)throw new RangeError("model.size is not a multiple of model.numberOfComponents");ks(e,t)}const Gs=Et(_s,"vtkDataArray");var Us={newInstance:Gs,extend:_s,...Ns,...Os};function Ws(e,t){t.classHierarchy.push("vtkAbstractMapper"),e.update=()=>{e.getInputData()},e.addClippingPlane=n=>!!n.isA("vtkPlane")&&!t.clippingPlanes.includes(n)&&(t.clippingPlanes.push(n),e.modified(),!0),e.getNumberOfClippingPlanes=()=>t.clippingPlanes.length,e.removeAllClippingPlanes=()=>0!==t.clippingPlanes.length&&(t.clippingPlanes.length=0,e.modified(),!0),e.removeClippingPlane=n=>{const r=t.clippingPlanes.indexOf(n);return-1!==r&&(t.clippingPlanes.splice(r,1),e.modified(),!0)},e.getClippingPlanes=()=>t.clippingPlanes,e.setClippingPlanes=t=>{if(t)if(Array.isArray(t)){const n=t.length;for(let r=0;r{const o=t.clippingPlanes,a=e;if(o){const e=o.length;if(n>=0&&n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,zs,n),jt.obj(e,t),jt.algo(e,t,1,0),t.clippingPlanes||(t.clippingPlanes=[]),Ws(e,t)};function js(e,t){e.getBounds=()=>(jt.vtkErrorMacro("vtkAbstractMapper3D.getBounds - NOT IMPLEMENTED"),_a()),e.getCenter=()=>{const n=e.getBounds();return t.center=Ui.isValid(n)?Ui.getCenter(n):null,t.center?.slice()},e.getLength=()=>{const t=e.getBounds();return Ui.getDiagonalLength(t)}}const Ks=e=>({bounds:[...Ui.INIT_BOUNDS],center:[0,0,0],viewSpecificProperties:{},...e});var $s=function(e,t){let n=arguments.length>2&&void 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e.removeArrayByIndex(r)},e.removeArrayByIndex=e=>-1!==e&&et.arrays.map((e=>e.data)),e.getArray=t=>"number"==typeof t?e.getArrayByIndex(t):e.getArrayByName(t),e.getArrayByName=e=>t.arrays.reduce(((t,n,r)=>n.data.getName()===e?n.data:t),null),e.getArrayWithIndex=e=>{const n=t.arrays.findIndex((t=>t.data.getName()===e));return{array:-1!==n?t.arrays[n].data:null,index:n}},e.getArrayByIndex=e=>e>=0&&ee.getArrayWithIndex(t).index>=0,e.getArrayName=e=>{const n=t.arrays[e];return n?n.data.getName():""},e.getCopyFieldFlags=()=>t.copyFieldFlags,e.getFlag=e=>t.copyFieldFlags[e],e.passData=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:-1,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:-1;n.getArrays().forEach((a=>{const i=e.getFlag(a.getName());if(!1!==i&&(!t.doCopyAllOff||!0===i)&&a){let t=e.getArrayByName(a.getName());if(t)if(a.getNumberOfComponents()===t.getNumberOfComponents())if(r>-1&&r-1?o:r;t.insertTuple(e,a.getTuple(r))}else 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e.getColor(parseFloat(n),r),r[3]=1},e.checkForAnnotatedValue=t=>e.getAnnotatedValueIndexInternal(t),e.getAnnotatedValueIndexInternal=e=>{if(void 0!==t.annotatedValueMap[e]){const n=t.annotationArray.length;return t.annotatedValueMap[e]%n}return-1},e.getIndexedColor=(e,t)=>{t[0]=0,t[1]=0,t[2]=0,t[3]=0},e.updateAnnotatedValueMap=()=>{t.annotatedValueMap=[];const e=t.annotationArray.length;for(let n=0;n{const o=t.getNumberOfComponents();let a=null;if(n===Vl.DEFAULT&&t.getDataType()===Rl.UNSIGNED_CHAR||n===Vl.DIRECT_SCALARS&&t)a=e.convertToRGBA(t,o,t.getNumberOfTuples());else{const n={type:"vtkDataArray",name:"temp",numberOfComponents:4,dataType:Rl.UNSIGNED_CHAR},i=jt.newTypedArray(n.dataType,4*t.getNumberOfTuples());n.values=i,n.size=i.length,a=Us.newInstance(n);let s=r;s<0&&o>1?e.mapVectorsThroughTable(t,a,Ol.RGBA,-1,-1):(s<0&&(s=0),s>=o&&(s=o-1),e.mapScalarsThroughTable(t,a,Ol.RGBA,s))}return a},e.mapVectorsToMagnitude=(e,t,n)=>{const r=e.getNumberOfTuples(),o=e.getNumberOfComponents(),a=t.getData(),i=e.getData();for(let e=0;e{let i=e.getVectorMode(),s=a,l=o;const c=t.getNumberOfComponents();i===Ml.COMPONENT?(-1===l&&(l=e.getVectorComponent()),l<0&&(l=0),l>=c&&(l=c-1)):(-1===s&&(s=e.getVectorSize()),s<=0?(l=0,s=c):(l<0&&(l=0),l>=c&&(l=c-1),l+s>c&&(s=c-l)),i!==Ml.MAGNITUDE||1!==c&&1!==s||(i=Ml.COMPONENT));let u=0;switch(l>0&&(u=l),i){case Ml.COMPONENT:e.mapScalarsThroughTable(t,n,r,u);break;case Ml.RGBCOLORS:break;case Ml.MAGNITUDE:default:{const o=Us.newInstance({numberOfComponents:1,values:new Float32Array(t.getNumberOfTuples())});e.mapVectorsToMagnitude(t,o,s),e.mapScalarsThroughTable(o,n,r,0);break}}},e.luminanceToRGBA=(e,t,n,r)=>{const o=r(n),a=t.getData(),i=e.getData(),s=a.length;let l=0;for(let e=0;e{const o=t.getData(),a=e.getData(),i=o.length;let s=0;for(let e=0;e{const o=Ll(n),a=t.getData(),i=e.getData(),s=a.length;let l=0;for(let e=0;e{const o=t.getData(),a=e.getData(),i=o.length;let s=0;for(let e=0;e{let{alpha:a}=t;if(4===r&&a>=1&&n.getDataType()===Rl.UNSIGNED_CHAR)return n;const i=Us.newInstance({numberOfComponents:4,empty:!0,size:4*o,dataType:Rl.UNSIGNED_CHAR});if(o<=0)return i;a=a>0?a:0,a=a<1?a:1;let s=Dl;switch(n.getDataType()!==Rl.FLOAT&&n.getDataType()!==Rl.DOUBLE||(s=Ll),r){case 1:e.luminanceToRGBA(i,n,a,s);break;case 2:e.luminanceAlphaToRGBA(i,n,s);break;case 3:e.rGBToRGBA(i,n,a,s);break;case 4:e.rGBAToRGBA(i,n,a,s);break;default:return El("Cannot convert colors"),null}return i},e.usingLogScale=()=>!1,e.getNumberOfAvailableColors=()=>16777216,e.setRange=(t,n)=>e.setMappingRange(t,n),e.getRange=()=>e.getMappingRange(),e.areScalarsOpaque=(n,r,o)=>{if(!n)return e.isOpaque();const a=n.getNumberOfComponents();return(r!==Vl.DEFAULT||n.getDataType()!==Rl.UNSIGNED_CHAR)&&r!==Vl.DIRECT_SCALARS||(3===a||1===a?t.alpha>=1:255===n.getRange(a-1)[0])}}const Nl={alpha:1,vectorComponent:0,vectorSize:-1,vectorMode:Ml.COMPONENT,mappingRange:null,annotationArray:null,annotatedValueMap:null,indexedLookup:!1};function kl(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Nl,n),jt.obj(e,t),t.mappingRange=[0,255],t.annotationArray=[],t.annotatedValueMap=[],jt.setGet(e,t,["vectorSize","vectorComponent","vectorMode","alpha","indexedLookup"]),jt.setArray(e,t,["mappingRange"],2),jt.getArray(e,t,["mappingRange"]),Bl(e,t)}var Fl={newInstance:jt.newInstance(kl,"vtkScalarsToColors"),extend:kl,...Pl};const{vtkErrorMacro:_l}=jt;function Gl(e,t){t.classHierarchy.push("vtkLookupTable"),e.isOpaque=()=>{if(t.opaqueFlagBuildTime.getMTime()!1,e.getNumberOfAvailableColors=()=>t.table.length/4,e.linearIndexLookup=(e,t)=>{let n=0;const r=Number(e);return rt.range[1]?n=t.maxIndex+1+1.5:(n=(r+t.shift)*t.scale,n=n{let o=0;o=Fa(t)?Math.floor(r.maxIndex+1.5+2):e.linearIndexLookup(t,r);const a=4*o;return n.slice(a,a+4)},e.indexedLookupFunction=(n,r,o)=>{let a=e.getAnnotatedValueIndexInternal(n);-1===a&&(a=t.numberOfColors+2);const i=4*a;return[r[i],r[i+1],r[i+2],r[i+3]]},e.lookupShiftAndScale=(e,t)=>{t.shift=-e[0],t.scale=Number.MAX_VALUE,e[1]>e[0]&&(t.scale=(t.maxIndex+1)/(e[1]-e[0]))},e.mapScalarsThroughTable=(n,r,o,a)=>{let i=e.linearLookup;t.indexedLookup&&(i=e.indexedLookupFunction);const s=e.getMappingRange(),l={maxIndex:e.getNumberOfColors()-1,range:s,shift:0,scale:0};e.lookupShiftAndScale(s,l);const c=e.getAlpha(),u=n.getNumberOfTuples(),d=n.getNumberOfComponents(),p=r.getData(),f=n.getData();if(c>=1){if(o===Al.RGBA)for(let e=0;e{let n=0,r=0,o=0,a=0;const i=t.numberOfColors-1;i&&(n=(t.hueRange[1]-t.hueRange[0])/i,r=(t.saturationRange[1]-t.saturationRange[0])/i,o=(t.valueRange[1]-t.valueRange[0])/i,a=(t.alphaRange[1]-t.alphaRange[0])/i),t.table.length=4*i+16;const s=[],l=[];for(let e=0;e<=i;e++)s[0]=t.hueRange[0]+e*n,s[1]=t.saturationRange[0]+e*r,s[2]=t.valueRange[0]+e*o,Pa(s,l),l[3]=t.alphaRange[0]+e*a,t.table[4*e]=255*l[0]+.5,t.table[4*e+1]=255*l[1]+.5,t.table[4*e+2]=255*l[2]+.5,t.table[4*e+3]=255*l[3]+.5;e.buildSpecialColors(),t.buildTime.modified()},e.setTable=n=>{if(Array.isArray(n)){const r=n[0].length;t.numberOfColors=n.length;const o=4-r;let a=0;for(let e=0;e{const{numberOfColors:e}=t,n=t.table;let r=4*(e+0);t.useBelowRangeColor||0===e?(n[r]=255*t.belowRangeColor[0]+.5,n[r+1]=255*t.belowRangeColor[1]+.5,n[r+2]=255*t.belowRangeColor[2]+.5,n[r+3]=255*t.belowRangeColor[3]+.5):(n[r]=n[0],n[r+1]=n[1],n[r+2]=n[2],n[r+3]=n[3]),r=4*(e+1),t.useAboveRangeColor||0===e?(n[r]=255*t.aboveRangeColor[0]+.5,n[r+1]=255*t.aboveRangeColor[1]+.5,n[r+2]=255*t.aboveRangeColor[2]+.5,n[r+3]=255*t.aboveRangeColor[3]+.5):(n[r]=n[4*(e-1)+0],n[r+1]=n[4*(e-1)+1],n[r+2]=n[4*(e-1)+2],n[r+3]=n[4*(e-1)+3]),r=4*(e+2),n[r]=255*t.nanColor[0]+.5,n[r+1]=255*t.nanColor[1]+.5,n[r+2]=255*t.nanColor[2]+.5,n[r+3]=255*t.nanColor[3]+.5},e.build=()=>{(t.table.length<1||e.getMTime()>t.buildTime.getMTime()&&t.insertTime.getMTime()<=t.buildTime.getMTime())&&e.forceBuild()},t.table.length>0&&(e.buildSpecialColors(),t.insertTime.modified())}const Ul={numberOfColors:256,hueRange:[0,.66667],saturationRange:[1,1],valueRange:[1,1],alphaRange:[1,1],nanColor:[.5,0,0,1],belowRangeColor:[0,0,0,1],aboveRangeColor:[1,1,1,1],useAboveRangeColor:!1,useBelowRangeColor:!1,alpha:1};function Wl(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ul,n),Fl.extend(e,t,n),t.table||(t.table=[]),t.buildTime={},jt.obj(t.buildTime),t.opaqueFlagBuildTime={},jt.obj(t.opaqueFlagBuildTime,{mtime:0}),t.insertTime={},jt.obj(t.insertTime,{mtime:0}),jt.get(e,t,["buildTime"]),jt.setGet(e,t,["numberOfColors","useAboveRangeColor","useBelowRangeColor"]),jt.setArray(e,t,["alphaRange","hueRange","saturationRange","valueRange"],2),jt.setArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"],4),jt.getArray(e,t,["hueRange","saturationRange","valueRange","alphaRange","nanColor","belowRangeColor","aboveRangeColor"]),Gl(e,t)}var zl={newInstance:jt.newInstance(Wl,"vtkLookupTable"),extend:Wl};let Hl=1,jl=0;const Kl=["VTK_RESOLVE_OFF","VTK_RESOLVE_POLYGON_OFFSET"];function $l(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;jl=e}var ql={getResolveCoincidentTopologyAsString:function(){return Kl[jl]},getResolveCoincidentTopologyPolygonOffsetFaces:function(){return Hl},getResolveCoincidentTopology:function(){return jl},setResolveCoincidentTopology:$l,setResolveCoincidentTopologyPolygonOffsetFaces:function(e){Hl=e},setResolveCoincidentTopologyToDefault:function(){$l(0)},setResolveCoincidentTopologyToOff:function(){$l(0)},setResolveCoincidentTopologyToPolygonOffset:function(){$l(1)}};function Xl(e,t,n){n.forEach((n=>{e[`get${n.method}`]=()=>t[n.key],e[`set${n.method}`]=(e,r)=>{t[n.key]={factor:e,offset:r}}}))}const Yl=["Polygon","Line","Point"],Zl={};Xl(Zl,{Polygon:{factor:2,offset:0},Line:{factor:1,offset:-1},Point:{factor:0,offset:-2}},Yl.map((e=>({key:e,method:`ResolveCoincidentTopology${e}OffsetParameters`}))));var Ql={implementCoincidentTopologyMethods:function(e,t){void 0===t.resolveCoincidentTopology&&(t.resolveCoincidentTopology=!1),jt.setGet(e,t,["resolveCoincidentTopology"]),t.topologyOffset={Polygon:{factor:0,offset:0},Line:{factor:0,offset:0},Point:{factor:0,offset:0}},Object.keys(ql).forEach((t=>{e[t]=ql[t]})),Object.keys(Zl).forEach((t=>{e[t]=Zl[t]})),Xl(e,t.topologyOffset,Yl.map((e=>({key:e,method:`RelativeCoincidentTopology${e}OffsetParameters`})))),e.getCoincidentTopologyPolygonOffsetParameters=()=>{const t=Zl.getResolveCoincidentTopologyPolygonOffsetParameters(),n=e.getRelativeCoincidentTopologyPolygonOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyLineOffsetParameters=()=>{const t=Zl.getResolveCoincidentTopologyLineOffsetParameters(),n=e.getRelativeCoincidentTopologyLineOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyPointOffsetParameter=()=>{const t=Zl.getResolveCoincidentTopologyPointOffsetParameters(),n=e.getRelativeCoincidentTopologyPointOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}}},staticOffsetAPI:Zl,otherStaticMethods:ql,CATEGORIES:Yl};const Jl={MIN_KNOWN_PASS:0,ACTOR_PASS:0,COMPOSITE_INDEX_PASS:1,ID_LOW24:2,ID_HIGH24:3,MAX_KNOWN_PASS:3};var ec={PassTypes:Jl};const{FieldAssociations:tc}=gl,{staticOffsetAPI:nc,otherStaticMethods:rc}=Ql,{ColorMode:oc,ScalarMode:ac,GetArray:ic}=wl,{VectorMode:sc}=Pl,{VtkDataTypes:lc}=Us;function cc(e){return()=>jt.vtkErrorMacro(`vtkMapper::${e} - NOT IMPLEMENTED`)}function uc(e,t){t.classHierarchy.push("vtkMapper"),e.getBounds=()=>{const n=e.getInputData();return n?(t.static||e.update(),t.bounds=n.getBounds()):t.bounds=_a(),t.bounds},e.setForceCompileOnly=e=>{t.forceCompileOnly=e},e.setSelectionWebGLIdsToVTKIds=e=>{t.selectionWebGLIdsToVTKIds=e},e.createDefaultLookupTable=()=>{t.lookupTable=zl.newInstance()},e.getColorModeAsString=()=>jt.enumToString(oc,t.colorMode),e.setColorModeToDefault=()=>e.setColorMode(0),e.setColorModeToMapScalars=()=>e.setColorMode(1),e.setColorModeToDirectScalars=()=>e.setColorMode(2),e.getScalarModeAsString=()=>jt.enumToString(ac,t.scalarMode),e.setScalarModeToDefault=()=>e.setScalarMode(0),e.setScalarModeToUsePointData=()=>e.setScalarMode(1),e.setScalarModeToUseCellData=()=>e.setScalarMode(2),e.setScalarModeToUsePointFieldData=()=>e.setScalarMode(3),e.setScalarModeToUseCellFieldData=()=>e.setScalarMode(4),e.setScalarModeToUseFieldData=()=>e.setScalarMode(5),e.getAbstractScalars=(e,n,r,o,a)=>{if(!e||!t.scalarVisibility)return{scalars:null,cellFLag:!1};let i=null,s=!1;if(n===ac.DEFAULT)i=e.getPointData().getScalars(),i||(i=e.getCellData().getScalars(),s=!0);else if(n===ac.USE_POINT_DATA)i=e.getPointData().getScalars();else if(n===ac.USE_CELL_DATA)i=e.getCellData().getScalars(),s=!0;else if(n===ac.USE_POINT_FIELD_DATA){const t=e.getPointData();i=r===ic.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}else if(n===ac.USE_CELL_FIELD_DATA){const t=e.getCellData();s=!0,i=r===ic.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}else if(n===ac.USE_FIELD_DATA){const t=e.getFieldData();i=r===ic.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}return{scalars:i,cellFlag:s}},e.mapScalars=(n,r)=>{const o=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!o)return t.colorCoordinates=null,t.colorTextureMap=null,void(t.colorMapColors=null);const a=`${e.getMTime()}${o.getMTime()}${r}`;if(t.colorBuildString!==a){if(t.useLookupTableScalarRange||e.getLookupTable().setRange(t.scalarRange[0],t.scalarRange[1]),e.canUseTextureMapForColoring(n))e.mapScalarsToTexture(o,r);else{t.colorCoordinates=null,t.colorTextureMap=null;const n=e.getLookupTable();n&&(n.build(),t.colorMapColors=n.mapScalars(o,t.colorMode,t.fieldDataTupleId))}t.colorBuildString=`${e.getMTime()}${o.getMTime()}${r}`}},e.scalarToTextureCoordinate=(e,t,n)=>{let r=.5,o=1;return Fa(e)||(o=.49,r=(e-t)*n,r>1e3?r=1e3:r<-1e3&&(r=-1e3)),{texCoordS:r,texCoordT:o}},e.createColorTextureCoordinates=(t,n,r,o,a,i,s,l,c)=>{const u=(i[1]-i[0])/l,d=[];d[0]=i[0]-u,d[1]=i[1]+u;const p=1/(d[1]-d[0]),f=n.getData(),g=t.getData();let m=0,h=0;if(a<0||a>=o)for(let t=0;t{const o=t.lookupTable.getRange(),a=t.lookupTable.usingLogScale();a&&zl.getLogRange(o,o);const i=t.lookupTable.getAlpha();if(t.colorMapColors=null,null==t.colorTextureMap||e.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getAlpha()!==r){t.lookupTable.setAlpha(r),t.colorTextureMap=null,t.lookupTable.build();let e=t.lookupTable.getNumberOfAvailableColors();e>4094&&(e=4094),e<64&&(e=64),e+=2;const n=(o[1]-o[0])/(e-2),s=new Float64Array(2*e);for(let t=0;tt.colorCoordinates.getMTime()||e.getInputData(0).getMTime()>t.colorCoordinates.getMTime()||t.lookupTable.getMTime()>t.colorCoordinates.getMTime()){t.colorCoordinates=null;const r=n.getNumberOfComponents(),i=n.getNumberOfTuples();t.colorCoordinates=Us.newInstance({numberOfComponents:2,values:new Float32Array(2*i)});let s=t.lookupTable.getVectorComponent();t.lookupTable.getVectorMode()===sc.MAGNITUDE&&n.getNumberOfComponents()>1&&(s=-1),e.createColorTextureCoordinates(n,t.colorCoordinates,i,r,s,o,t.lookupTable.getRange(),t.colorTextureMap.getPointData().getScalars().getNumberOfTuples()/2-2,a)}},e.getIsOpaque=()=>{const n=e.getInputData(),r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!t.scalarVisibility||null==r)return!0;const o=e.getLookupTable();return!o||(o.build(),o.areScalarsOpaque(r,t.colorMode,-1))},e.canUseTextureMapForColoring=n=>{if(!t.interpolateScalarsBeforeMapping)return!1;if(t.lookupTable&&t.lookupTable.getIndexedLookup())return!1;const r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName),o=r.scalars;return!(!o||r.cellFlag||t.colorMode===oc.DEFAULT&&o.getDataType()===lc.UNSIGNED_CHAR||t.colorMode===oc.DIRECT_SCALARS)},e.clearColorArrays=()=>{t.colorMapColors=null,t.colorCoordinates=null,t.colorTextureMap=null},e.getLookupTable=()=>(t.lookupTable||e.createDefaultLookupTable(),t.lookupTable),e.getMTime=()=>{let e=t.mtime;if(null!==t.lookupTable){const n=t.lookupTable.getMTime();e=n>e?n:e}return e},e.getPrimitiveCount=()=>{const t=e.getInputData();return{points:t.getPoints().getNumberOfValues()/3,verts:t.getVerts().getNumberOfValues()-t.getVerts().getNumberOfCells(),lines:t.getLines().getNumberOfValues()-2*t.getLines().getNumberOfCells(),triangles:t.getPolys().getNumberOfValues()-3*t.getPolys().getNumberOfCells()}},e.acquireInvertibleLookupTable=cc("AcquireInvertibleLookupTable"),e.valueToColor=cc("ValueToColor"),e.colorToValue=cc("ColorToValue"),e.useInvertibleColorFor=cc("UseInvertibleColorFor"),e.clearInvertibleColor=cc("ClearInvertibleColor"),e.processSelectorPixelBuffers=(e,n)=>{if(!e||!t.selectionWebGLIdsToVTKIds||!t.populateSelectionSettings)return;const r=e.getRawPixelBuffer(Jl.ID_LOW24),o=e.getRawPixelBuffer(Jl.ID_HIGH24),a=e.getCurrentPass(),i=e.getFieldAssociation();let s=null;i===tc.FIELD_ASSOCIATION_POINTS?s=t.selectionWebGLIdsToVTKIds.points:i===tc.FIELD_ASSOCIATION_CELLS&&(s=t.selectionWebGLIdsToVTKIds.cells),s&&n.forEach((t=>{if(a===Jl.ID_LOW24){let n=0;o&&(n+=o[t],n*=256),n+=r[t+2],n*=256,n+=r[t+1],n*=256,n+=r[t];const a=s[n],i=e.getPixelBuffer(Jl.ID_LOW24);i[t]=255&a,i[t+1]=(65280&a)>>8,i[t+2]=(16711680&a)>>16}else if(a===Jl.ID_HIGH24&&o){let n=0;n+=o[t],n*=256,n+=r[t],n*=256,n+=r[t+1],n*=256,n+=r[t+2];const a=s[n];e.getPixelBuffer(Jl.ID_HIGH24)[t]=(4278190080&a)>>24}}))}}const dc={colorMapColors:null,static:!1,lookupTable:null,scalarVisibility:!0,scalarRange:[0,1],useLookupTableScalarRange:!1,colorMode:0,scalarMode:0,arrayAccessMode:1,renderTime:0,colorByArrayName:null,fieldDataTupleId:-1,populateSelectionSettings:!0,selectionWebGLIdsToVTKIds:null,interpolateScalarsBeforeMapping:!1,colorCoordinates:null,colorTextureMap:null,forceCompileOnly:0,useInvertibleColors:!1,invertibleScalars:null,customShaderAttributes:[]};function pc(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,dc,n),$s(e,t,n),jt.get(e,t,["colorCoordinates","colorMapColors","colorTextureMap","selectionWebGLIdsToVTKIds"]),jt.setGet(e,t,["colorByArrayName","arrayAccessMode","colorMode","fieldDataTupleId","interpolateScalarsBeforeMapping","lookupTable","populateSelectionSettings","renderTime","scalarMode","scalarVisibility","static","useLookupTableScalarRange","customShaderAttributes"]),jt.setGetArray(e,t,["scalarRange"],2),Ql.implementCoincidentTopologyMethods(e,t),uc(e,t)}var fc={newInstance:jt.newInstance(pc,"vtkMapper"),extend:pc,...nc,...rc,...wl};function gc(e){let t=0;return e.filter(((e,n)=>n===t&&(t+=e+1,!0)))}function mc(e){let t=0;for(let n=0;nvoid 0===t.numberOfCells||n?(t.cellSizes?t.numberOfCells=t.cellSizes.length:t.numberOfCells=mc(e.getData()),t.numberOfCells):t.numberOfCells,e.getCellSizes=n=>void 0===t.cellSizes||n?(t.cellSizes=gc(e.getData()),t.cellSizes):t.cellSizes,e.resize=r=>{const o=e.getNumberOfTuples();n.resize(r);const a=e.getNumberOfTuples();a{n.setData(e,1),t.numberOfCells=void 0,t.cellSizes=void 0},e.getCell=e=>{let n=e;const r=t.values[n++];return t.values.subarray(n,n+r)},e.insertNextCell=n=>{const r=e.getNumberOfCells();return e.insertNextTuples([n.length,...n]),++t.numberOfCells,null!=t.cellSizes&&t.cellSizes.push(n.length),r}}function yc(e){return{empty:!0,numberOfComponents:1,dataType:ws.UNSIGNED_INT,...e}}function bc(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Us.extend(e,t,yc(n)),vc(e,t)}var xc={newInstance:jt.newInstance(bc,"vtkCellArray"),extend:bc,...hc};const{vtkErrorMacro:Tc}=jt,Cc=[1,-1,1,-1,1,-1];function Sc(e,t){t.classHierarchy.push("vtkPoints"),e.getNumberOfPoints=e.getNumberOfTuples,e.setNumberOfPoints=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:3;e.getNumberOfPoints()!==n&&(t.size=n*r,t.values=jt.newTypedArray(t.dataType,t.size),e.setNumberOfComponents(r),e.modified())},e.setPoint=function(t){for(var n=arguments.length,r=new 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fu(e,t,n,r){pu(e,t,n,r);const o=Math.sqrt(r[0]*r[0]+r[1]*r[1]+r[2]*r[2]);0!==o&&(r[0]/=o,r[1]/=o,r[2]/=o)}const gu={computeNormalDirection:pu,computeNormal:fu,intersectWithTriangle:function(e,t,n,r,o,a){let i=arguments.length>6&&void 0!==arguments[6]?arguments[6]:1e-6,s=!1;const l=[],c=[],u=[],d=[],p=[];fu(e,t,n,d),fu(r,o,a,p);const f=-Xo(d,e),g=-Xo(p,r),m=[Xo(p,e)+g,Xo(p,t)+g,Xo(p,n)+g];if(m[0]*m[1]>i&&m[0]*m[2]>i)return{intersect:!1,coplanar:s,pt1:l,pt2:c,surfaceId:u};const h=[Xo(d,r)+f,Xo(d,o)+f,Xo(d,a)+f];if(h[0]*h[1]>i&&h[0]*h[2]>i)return{intersect:!1,coplanar:s,pt1:l,pt2:c,surfaceId:u};if(Math.abs(d[0]-p[0])<1e-9&&Math.abs(d[1]-p[1])<1e-9&&Math.abs(d[2]-p[2])<1e-9&&Math.abs(f-g)<1e-9)return s=!0,{intersect:!1,coplanar:s,pt1:l,pt2:c,surfaceId:u};const v=[e,t,n],y=[r,o,a],b=Xo(d,p),x=(f-g*b)/(b*b-1),T=(g-f*b)/(b*b-1),C=[x*d[0]+T*p[0],x*d[1]+T*p[1],x*d[2]+T*p[2]],S=Yo(d,p,[]);Qo(S);let A=0,P=0;const I=[],w=[];let O,M,R=50,V=50;for(let t=0;t<3;t++){const 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t=ri.intersectWithLine(n,r,u,f);if(s.betweenPoints=t.betweenPoints,s.t=t.t,a[0]=t.x[0],a[1]=t.x[1],a[2]=t.x[2],!t.intersection)return i[0]=0,i[1]=0,s.intersect=0,s;const o=e.evaluatePosition(a,l,i,g);if(o.evaluation>=0)return o.dist2<=c?(s.intersect=1,s):(s.intersect=o.evaluation,s)}const m=ea(u,d),h=ea(d,p),v=ea(p,u);t.line||(t.line=su.newInstance()),m>h&&m>v?(t.line.getPoints().setPoint(0,u),t.line.getPoints().setPoint(1,d)):h>v&&h>m?(t.line.getPoints().setPoint(0,d),t.line.getPoints().setPoint(1,p)):(t.line.getPoints().setPoint(0,p),t.line.getPoints().setPoint(1,u));const y=t.line.intersectWithLine(n,r,o,a,i);if(s.betweenPoints=y.betweenPoints,s.t=y.t,y.intersect){const e=[],t=[],n=[];for(let r=0;r<3;r++)e[r]=u[r]-p[r],t[r]=d[r]-p[r],n[r]=a[r]-p[r];return i[0]=Xo(n,e)/v,i[1]=Xo(n,t)/h,s.intersect=1,s}return i[0]=0,i[1]=0,s.intersect=0,s},e.evaluatePosition=(e,n,r,o)=>{const a={subId:0,dist2:0,evaluation:-1};let i,s;const l=[],c=[],u=[],d=[];let p;const f=[],g=[],m=[];let h=0,v=0;const y=[];let b,x,T,C=[];const S=[],A=[],P=[];a.subId=0,r[2]=0,t.points.getPoint(1,l),t.points.getPoint(2,c),t.points.getPoint(0,u),pu(l,c,u,d),ri.generalizedProjectPoint(e,l,d,P);let I=0;for(i=0;i<3;i++)p=d[i]<0?-d[i]:d[i],p>I&&(I=p,v=i);for(s=0,i=0;i<3;i++)i!==v&&(y[s++]=i);for(i=0;i<2;i++)f[i]=P[y[i]]-u[y[i]],g[i]=l[y[i]]-u[y[i]],m[i]=c[y[i]]-u[y[i]];if(h=oa(g,m),0===h)return r[0]=0,r[1]=0,a.evaluation=-1,a;if(r[0]=oa(f,m)/h,r[1]=oa(g,f)/h,o[0]=1-(r[0]+r[1]),o[1]=r[0],o[2]=r[1],o[0]>=0&&o[0]<=1&&o[1]>=0&&o[1]<=1&&o[2]>=0&&o[2]<=1)n&&(a.dist2=ea(P,e),n[0]=P[0],n[1]=P[1],n[2]=P[2]),a.evaluation=1;else{let t;if(n)if(o[1]<0&&o[2]<0)for(b=ea(e,u),x=su.distanceToLine(e,l,u,t,S),T=su.distanceToLine(e,u,c,t,A),b{const o=[],a=[],i=[];t.points.getPoint(0,o),t.points.getPoint(1,a),t.points.getPoint(2,i);const s=1-e[0]-e[1];for(let t=0;t<3;t++)n[t]=o[t]*s+a[t]*e[0]+i[t]*e[1];r[0]=s,r[1]=e[0],r[2]=e[1]},e.getParametricDistance=e=>{let t,n=0;const r=[];r[0]=e[0],r[1]=e[1],r[2]=1-e[0]-e[1];for(let e=0;e<3;e++)t=r[e]<0?-r[e]:r[e]>1?r[e]-1:0,t>n&&(n=t);return n}}const hu={};function vu(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,hu,n),Rc.extend(e,t,n),mu(e,t)}var yu={newInstance:jt.newInstance(vu,"vtkTriangle"),extend:vu,...gu};const bu=["verts","lines","polys","strips"],{vtkWarningMacro:xu}=jt,Tu={[Fc]:su,[_c]:su,[Gc]:yu};function Cu(e,t){t.classHierarchy.push("vtkPolyData"),bu.forEach((n=>{e[`getNumberOf${function(e){return e.replace(/(?:^\w|[A-Z]|\b\w)/g,(e=>e.toUpperCase())).replace(/\s+/g,"")}(n)}`]=()=>t[n].getNumberOfCells(),t[n]?t[n]=ze(t[n]):t[n]=xc.newInstance()})),e.getNumberOfCells=()=>bu.reduce(((e,n)=>e+t[n].getNumberOfCells()),0);const n=e.shallowCopy;e.shallowCopy=function(e){let r=arguments.length>1&&void 0!==arguments[1]&&arguments[1];n(e,r),bu.forEach((n=>{t[n]=xc.newInstance(),t[n].shallowCopy(e.getReferenceByName(n))}))},e.buildCells=()=>{const n=e.getNumberOfVerts(),r=e.getNumberOfLines(),o=e.getNumberOfPolys(),a=e.getNumberOfStrips(),i=n+r+o+a,s=new Uint8Array(i);let l=s;const c=new Uint32Array(i);let u=c;if(n){let e=0;t.verts.getCellSizes().forEach(((t,n)=>{u[n]=e,l[n]=t>1?kc:Nc,e+=t+1})),u=u.subarray(n),l=l.subarray(n)}if(r){let e=0;t.lines.getCellSizes().forEach(((t,n)=>{u[n]=e,l[n]=t>2?_c:Fc,1===t&&xu("Building VTK_LINE ",n," with only one point, but VTK_LINE needs at least two points. 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Check the input."),e+=t+1})),u+=u.subarray(o),l+=l.subarray(o)}if(a){let e=0;l.fill(Uc,0,a),t.strips.getCellSizes().forEach(((t,n)=>{u[n]=e,e+=t+1}))}t.cells=Qc.newInstance(),t.cells.setCellTypes(i,s,c)},e.buildLinks=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;void 0===t.cells&&e.buildCells(),t.links=Lc.newInstance(),n>0?t.links.allocate(n):t.links.allocate(e.getPoints().getNumberOfPoints()),t.links.buildLinks(e)},e.getCellType=e=>t.cells.getCellType(e),e.getCellPoints=n=>{const r=e.getCellType(n);let o=null;switch(r){case Nc:case kc:o=t.verts;break;case Fc:case _c:o=t.lines;break;case Gc:case zc:case Wc:o=t.polys;break;case Uc:o=t.strips;break;default:return o=null,{type:0,cellPointIds:null}}const a=t.cells.getCellLocation(n);return{cellType:r,cellPointIds:o.getCell(a)}},e.getPointCells=e=>t.links.getCells(e),e.getCellEdgeNeighbors=(e,n,r)=>{const o=t.links.getLink(n),a=t.links.getLink(r);return o.cells.filter((t=>t!==e&&-1!==a.cells.indexOf(t)))},e.getCell=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;const r=e.getCellPoints(t),o=n||Tu[r.cellType].newInstance();return o.initialize(e.getPoints(),r.cellPointIds),o}}const Su={};function Au(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Su,n),du.extend(e,t,n),jt.get(e,t,["cells","links"]),jt.setGet(e,t,["verts","lines","polys","strips"]),Cu(e,t)}var Pu={newInstance:jt.newInstance(Au,"vtkPolyData"),extend:Au};function Iu(e,t){t.classHierarchy.push("vtkTexture"),e.imageLoaded=()=>{t.image.removeEventListener("load",e.imageLoaded),t.imageLoaded=!0,e.modified()},e.setJsImageData=n=>{t.jsImageData!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.image=null,t.canvas=null),t.jsImageData=n,t.imageLoaded=!0,e.modified())},e.setCanvas=n=>{t.canvas!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.image=null,t.jsImageData=null),t.canvas=n,e.modified())},e.setImage=n=>{t.image!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.canvas=null,t.jsImageData=null),t.image=n,t.imageLoaded=!1,n.complete?e.imageLoaded():n.addEventListener("load",e.imageLoaded),e.modified())},e.getDimensionality=()=>{let n=0,r=0,o=1;if(e.getInputData()){const t=e.getInputData();n=t.getDimensions()[0],r=t.getDimensions()[1],o=t.getDimensions()[2]}return t.jsImageData&&(n=t.jsImageData.width,r=t.jsImageData.height),t.canvas&&(n=t.canvas.width,r=t.canvas.height),t.image&&(n=t.image.width,r=t.image.height),(n>1)+(r>1)+(o>1)},e.getInputAsJsImageData=()=>{if(!t.imageLoaded||e.getInputData())return null;if(t.jsImageData)return t.jsImageData();if(t.canvas)return t.canvas.getContext("2d").getImageData(0,0,t.canvas.width,t.canvas.height);if(t.image){const e=document.createElement("canvas");e.width=t.image.width,e.height=t.image.height;const n=e.getContext("2d");return n.translate(0,e.height),n.scale(1,-1),n.drawImage(t.image,0,0,t.image.width,t.image.height),n.getImageData(0,0,e.width,e.height)}return null}}const wu={image:null,canvas:null,jsImageData:null,imageLoaded:!1,repeat:!1,interpolate:!1,edgeClamp:!1,mipLevel:0,resizable:!1};function Ou(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,wu,n),jt.obj(e,t),jt.algo(e,t,6,0),jt.get(e,t,["canvas","image","jsImageData","imageLoaded","resizable"]),jt.setGet(e,t,["repeat","edgeClamp","interpolate","mipLevel"]),Iu(e,t)}const Mu={generateMipmaps:(e,t,n,r)=>{const o=[1,2,1],a=e.length/(t*n);let i=t,s=n,l=e;const c=[l];for(let e=0;ea&&(u+=t),d<-a&&(u-=t),r[u]?c+=r[u]*o[l]:s-=o[l],i+=1}l[e+n]=c/s}r=[...l];for(let e=0;e{t.renderable!==n&&(t.renderable=n,t.tmActor.addTexture(t.renderable.getTmTexture()),t.tmActor.setProperty(n.getProperty()),t.tmActor.setParentProp(n),e.modified())},e.createPolyDataForOneLabel=(e,n,r,o,a,i,s)=>{const l=t.renderable.get_tmAtlas().get(e);if(!l)return;const c=t.renderable.getTextPolyData().getPoints().getData(),u=t.lastSize;Nu[0]=c[3*n],Nu[1]=c[3*n+1],Nu[2]=c[3*n+2],Ln(Fu,Nu,r),Fu[0]+=.1,Ln(ku,Fu,o),wn(Gu,ku,Nu),Fu[0]-=.1,Fu[1]+=.1,Ln(ku,Fu,o),wn(Uu,ku,Nu);for(let e=0;e<3;e++)Gu[e]/=.05*u[0],Uu[e]/=.05*u[1];let d=s.ptIdx,p=s.cellIdx;Nu[0]=c[3*n],Nu[1]=c[3*n+1],Nu[2]=c[3*n+2],a[0]<-.5?On(Fu,Gu,a[0]*i-l.width):a[0]>.5?On(Fu,Gu,a[0]*i):On(Fu,Gu,a[0]*i-l.width/2),In(Nu,Nu,Fu),On(Fu,Uu,a[1]*i-l.height/2),In(Nu,Nu,Fu),s.points[3*d]=Nu[0],s.points[3*d+1]=Nu[1],s.points[3*d+2]=Nu[2],s.tcoords[2*d]=l.tcoords[0],s.tcoords[2*d+1]=l.tcoords[1],d++,On(Fu,Gu,l.width),In(Nu,Nu,Fu),s.points[3*d]=Nu[0],s.points[3*d+1]=Nu[1],s.points[3*d+2]=Nu[2],s.tcoords[2*d]=l.tcoords[2],s.tcoords[2*d+1]=l.tcoords[3],d++,On(Fu,Uu,l.height),In(Nu,Nu,Fu),s.points[3*d]=Nu[0],s.points[3*d+1]=Nu[1],s.points[3*d+2]=Nu[2],s.tcoords[2*d]=l.tcoords[4],s.tcoords[2*d+1]=l.tcoords[5],d++,On(Fu,Gu,l.width),wn(Nu,Nu,Fu),s.points[3*d]=Nu[0],s.points[3*d+1]=Nu[1],s.points[3*d+2]=Nu[2],s.tcoords[2*d]=l.tcoords[6],s.tcoords[2*d+1]=l.tcoords[7],d++,s.polys[4*p]=3,s.polys[4*p+1]=d-4,s.polys[4*p+2]=d-3,s.polys[4*p+3]=d-2,p++,s.polys[4*p]=3,s.polys[4*p+1]=d-4,s.polys[4*p+2]=d-2,s.polys[4*p+3]=d-1,s.ptIdx+=4,s.cellIdx+=2},e.updateTexturePolyData=()=>{const n=t.camera.getCompositeProjectionMatrix(t.lastAspectRatio,-1,1);m(n,n);const r=t.renderable.getTextValues().length,o=4*r,a=2*r,i=new Float64Array(3*o),s=new Uint16Array(4*a),l=new Float32Array(2*o);h(Wu,n);const c={ptIdx:0,cellIdx:0,polys:s,points:i,tcoords:l};let u=0,d=0,p=0;const f=t.renderable.getTextPolyData().getPoints().getData(),g=t.renderable.getTextValues();for(;u{t.lastSize[0]===n[0]&&t.lastSize[1]===n[1]||(t.lastSize[0]=n[0],t.lastSize[1]=n[1],t.lastAspectRatio=n[0]/n[1],t.forceUpdate=!0),t.camera=r,e.updateTexturePolyData()}}const ju=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{renderable:null};Object.assign(t,{},n),jt.obj(e,t),t.tmPolyData=Pu.newInstance(),t.tmMapper=fc.newInstance(),t.tmMapper.setInputData(t.tmPolyData),t.tmActor=Ps.newInstance({parentProp:e}),t.tmActor.setMapper(t.tmMapper),jt.setGet(e,t,["renderable"]),jt.get(e,t,["lastSize","lastAspectRatio","axisTextStyle","tickTextStyle","tmActor","ticks"]),t.forceUpdate=!1,t.lastRedrawTime={},jt.obj(t.lastRedrawTime,{mtime:0}),t.lastRebuildTime={},jt.obj(t.lastRebuildTime,{mtime:0}),t.lastSize=[-1,-1],t.lastTickBounds=[],Hu(e,t)}),"vtkCubeAxesActorHelper");function Ku(e,t){t.classHierarchy.push("vtkCubeAxesActor"),e.setCamera=n=>{t.camera!==n&&(t.cameraModifiedSub&&(t.cameraModifiedSub.unsubscribe(),t.cameraModifiedSub=null),t.camera=n,n&&(t.cameraModifiedSub=n.onModified(e.update)),e.update(),e.modified())},e.computeFacesToDraw=()=>{const e=t.camera.getViewMatrix();m(e,e);let n=!1;const r=Ui.getDiagonalLength(t.dataBounds),o=Math.sin(t.faceVisibilityAngle*Math.PI/180);for(let a=0;a<6;a++){let i=!1;const s=Math.floor(a/2),l=(s+1)%3,c=(s+2)%3;t.dataBounds[2*l]!==t.dataBounds[2*l+1]&&t.dataBounds[2*c]!==t.dataBounds[2*c+1]&&(Nu[s]=t.dataBounds[a]-.1*r*Vu[a][s],Nu[l]=.5*(t.dataBounds[2*l]+t.dataBounds[2*l+1]),Nu[c]=.5*(t.dataBounds[2*c]+t.dataBounds[2*c+1]),Ln(Fu,Nu,e),Nu[s]=t.dataBounds[a],Ln(_u,Nu,e),wn(Fu,_u,Fu),Vn(Fu,Fu),i=Fu[2]>o,t.camera.getParallelProjection()||(Vn(_u,_u),i=En(_u,Fu)>o)),i!==t.lastFacesToDraw[a]&&(t.lastFacesToDraw[a]=i,n=!0)}return n},e.updatePolyData=(e,n,r)=>{let o=0,a=0;o+=8;let i=0;for(let e=0;e<12;e++)n[e]>0&&i++;if(a+=i,t.gridLines)for(let t=0;t<6;t++)e[t]&&(o+=2*r[Bu[t][0]].length+2*r[Bu[t][1]].length,a+=r[Bu[t][0]].length+r[Bu[t][1]].length);const s=new Float64Array(3*o),l=new Uint32Array(3*a);let c=0,u=0;for(let e=0;e<2;e++)for(let n=0;n<2;n++)for(let r=0;r<2;r++)s[3*c]=t.dataBounds[r],s[3*c+1]=t.dataBounds[2+n],s[3*c+2]=t.dataBounds[4+e],c++;for(let e=0;e<12;e++)n[e]>0&&(l[3*u]=2,l[3*u+1]=Du[e][0],l[3*u+2]=Du[e][1],u++);if(t.gridLines)for(let n=0;n<6;n++)if(e[n]){const e=Math.floor(n/2);let o=r[Bu[n][0]];for(let r=0;r{let a=0;for(let e=0;e<12;e++)1===n[e]&&(a+=2,a+=r[Lu[e]].length);const i=t.polyData.getPoints().getData(),s=new Float64Array(3*a);let l=0,c=0,u=0;for(let a=0;a<6;a++)if(e[a])for(let e=0;e<4;e++){const d=Eu[a][e];if(1===n[d]){const e=Lu[d],n=3*Du[d][0],p=3*Du[d][1];s[3*l]=.5*(i[n]+i[p]),s[3*l+1]=.5*(i[n+1]+i[p+1]),s[3*l+2]=.5*(i[n+2]+i[p+2]),l++,s[3*l+Math.floor(a/2)]=t.dataBounds[a],s[3*l+Bu[a][0]]=.5*(t.dataBounds[2*Bu[a][0]]+t.dataBounds[2*Bu[a][0]+1]),s[3*l+Bu[a][1]]=.5*(t.dataBounds[2*Bu[a][1]]+t.dataBounds[2*Bu[a][1]+1]),l++,t.textValues[c]=t.axisLabels[e],c++;const f=(e+1)%3,g=(e+2)%3,m=r[e],h=o[e];t.tickCounts[u]=m.length;for(let r=0;r{if(!t.camera)return;const n=e.computeFacesToDraw(),r=t.lastFacesToDraw;let o=!1;for(let e=0;e<6;e++)t.dataBounds[e]!==t.lastTickBounds[e]&&(o=!0,t.lastTickBounds[e]=t.dataBounds[e]);if(n||o||t.forceUpdate){const n=new Array(12).fill(0);for(let e=0;e<6;e++)if(r[e])for(let t=0;t<4;t++)n[Eu[e][t]]++;const a=[],i=[];for(let e=0;e<3;e++){const n=yo().domain([t.dataBounds[2*e],t.dataBounds[2*e+1]]);a[e]=n.ticks(5);const r=n.tickFormat(5);i[e]=a[e].map(r)}e.updatePolyData(r,n,a),e.updateTextData(r,n,a,i),(o||t.forceUpdate)&&e.updateTextureAtlas(i)}t.forceUpdate=!1},e.updateTextureAtlas=e=>{t.tmContext.textBaseline="bottom",t.tmContext.textAlign="left",t._tmAtlas.clear();let n=0,r=1;for(let o=0;o<3;o++){if(!t._tmAtlas.has(t.axisLabels[o])){zu(t.tmContext,t.axisTextStyle);const e=t.tmContext.measureText(t.axisLabels[o]),a={height:e.actualBoundingBoxAscent+2,startingHeight:r,width:e.width+2,textStyle:t.axisTextStyle};t._tmAtlas.set(t.axisLabels[o],a),r+=a.height,n{e.tcoords=[0,(r-e.startingHeight-e.height)/r,e.width/n,(r-e.startingHeight-e.height)/r,e.width/n,(r-e.startingHeight)/r,0,(r-e.startingHeight)/r]})),t.tmCanvas.width=n,t.tmCanvas.height=r,t.tmContext.textBaseline="bottom",t.tmContext.textAlign="left",t.tmContext.clearRect(0,0,n,r),t._tmAtlas.forEach(((e,n)=>{zu(t.tmContext,e.textStyle),t.tmContext.fillText(n,1,e.startingHeight+e.height-1)})),t.tmTexture.setCanvas(t.tmCanvas),t.tmTexture.modified()},e.onModified((()=>{t.forceUpdate=!0,e.update()})),e.setTickTextStyle=n=>{t.tickTextStyle={...t.tickTextStyle,...n},e.modified()},e.setAxisTextStyle=n=>{t.axisTextStyle={...t.axisTextStyle,...n},e.modified()},e.get_tmAtlas=()=>t._tmAtlas,e.getBounds=()=>(e.update(),Ui.setBounds(t.bounds,t.gridActor.getBounds()),Ui.scaleAboutCenter(t.bounds,t.boundsScaleFactor,t.boundsScaleFactor,t.boundsScaleFactor),t.bounds);const n=jt.chain(e.setProperty,t.gridActor.setProperty);e.setProperty=e=>n(e)[0]}function $u(e){return{boundsScaleFactor:1.3,camera:null,dataBounds:[...Ui.INIT_BOUNDS],faceVisibilityAngle:8,gridLines:!0,axisLabels:null,axisTitlePixelOffset:35,axisTextStyle:{fontColor:"white",fontStyle:"normal",fontSize:18,fontFamily:"serif"},tickLabelPixelOffset:12,tickTextStyle:{fontColor:"white",fontStyle:"normal",fontSize:14,fontFamily:"serif"},...e}}function qu(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,$u(n)),Ps.extend(e,t,n),t.lastFacesToDraw=[!1,!1,!1,!1,!1,!1],t.axisLabels=["X-Axis","Y-Axis","Z-Axis"],t.tickCounts=[],t.textValues=[],t.lastTickBounds=[],t.tmCanvas=document.createElement("canvas"),t.tmContext=t.tmCanvas.getContext("2d"),t._tmAtlas=new Map,t.tmTexture=Ru.newInstance(),t.tmTexture.setInterpolate(!1),e.getProperty().setDiffuse(0),e.getProperty().setAmbient(1),t.gridMapper=fc.newInstance(),t.polyData=Pu.newInstance(),t.gridMapper.setInputData(t.polyData),t.gridActor=Ps.newInstance(),t.gridActor.setMapper(t.gridMapper),t.gridActor.setProperty(e.getProperty()),t.gridActor.setParentProp(e),t.textPolyData=Pu.newInstance(),jt.setGet(e,t,["axisTitlePixelOffset","boundsScaleFactor","faceVisibilityAngle","gridLines","tickLabelPixelOffset"]),jt.setGetArray(e,t,["dataBounds"],6),jt.setGetArray(e,t,["axisLabels"],3),jt.get(e,t,["axisTextStyle","tickTextStyle","camera","tmTexture","textValues","textPolyData","tickCounts","gridActor"]),Ku(e,t)}var Xu={newInstance:jt.newInstance(qu,"vtkCubeAxesActor"),extend:qu,newCubeAxesActorHelper:ju};function Yu(e,t){t.classHierarchy.push("vtkOpenGLCubeAxesActor"),e.buildPass=n=>{n&&(t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.CubeAxesActorHelper.getRenderable()||t.CubeAxesActorHelper.setRenderable(t.renderable),e.prepareNodes(),e.addMissingNode(t.CubeAxesActorHelper.getTmActor()),e.addMissingNode(t.renderable.getGridActor()),e.removeUnusedNodes())},e.opaquePass=(e,n)=>{if(e){const e=t._openGLRenderer?t._openGLRenderer.getRenderable().getActiveCamera():null,n=t._openGLRenderer.getTiledSizeAndOrigin();t.CubeAxesActorHelper.updateAPISpecificData([n.usize,n.vsize],e,t._openGLRenderWindow.getRenderable())}}}const Zu={};const Qu=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Zu,n),Zt.extend(e,t,n),t.CubeAxesActorHelper=Xu.newCubeAxesActorHelper(),Yu(e,t)}),"vtkOpenGLCubeAxesActor");rn("vtkCubeAxesActor",Qu);const 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program.",!1):(t.context.detachShader(t.handle,e.getHandle()),t.vertexShaderHandle=0,t.linked=!1,!0);case"Fragment":return t.fragmentShaderHandle!==e.getHandle()?(t.error="The supplied shader was not attached to this program.",!1):(t.context.detachShader(t.handle,e.getHandle()),t.fragmentShaderHandle=0,t.linked=!1,!0);default:return!1}},e.setContext=e=>{t.context=e,t.vertexShader.setContext(e),t.fragmentShader.setContext(e),t.geometryShader.setContext(e)},e.setLastCameraMTime=e=>{t.lastCameraMTime=e}}const yd={vertexShaderHandle:0,fragmentShaderHandle:0,geometryShaderHandle:0,vertexShader:null,fragmentShader:null,geometryShader:null,linked:!1,bound:!1,compiled:!1,error:"",handle:0,numberOfOutputs:0,attributesLocs:null,uniformLocs:null,md5Hash:0,context:null,lastCameraMTime:null};function bd(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,yd,n),t.attributesLocs={},t.uniformLocs={},t.vertexShader=md.newInstance(),t.vertexShader.setShaderType("Vertex"),t.fragmentShader=md.newInstance(),t.fragmentShader.setShaderType("Fragment"),t.geometryShader=md.newInstance(),t.geometryShader.setShaderType("Geometry"),jt.obj(e,t),jt.get(e,t,["lastCameraMTime"]),jt.setGet(e,t,["error","handle","compiled","bound","md5Hash","vertexShader","fragmentShader","geometryShader","linked"]),vd(e,t)}var xd={newInstance:jt.newInstance(bd,"vtkShaderProgram"),extend:bd,substitute:function(e,t,n,r){const o="string"==typeof n?n:n.join("\n"),a=!1===r?t:new RegExp(t,"g"),i=e.replace(a,o);return{replace:i!==o,result:i}}};function Td(e,t){t.classHierarchy.push("vtkOpenGLVertexArrayObject"),e.exposedMethod=()=>{},e.initialize=()=>{t.instancingExtension=null,t._openGLRenderWindow.getWebgl2()||(t.instancingExtension=t.context.getExtension("ANGLE_instanced_arrays")),!t.forceEmulation&&t._openGLRenderWindow&&t._openGLRenderWindow.getWebgl2()?(t.extension=null,t.supported=!0,t.handleVAO=t.context.createVertexArray()):(t.extension=t.context.getExtension("OES_vertex_array_object"),!t.forceEmulation&&t.extension?(t.supported=!0,t.handleVAO=t.extension.createVertexArrayOES()):t.supported=!1)},e.isReady=()=>0!==t.handleVAO||!1===t.supported,e.bind=()=>{if(e.isReady()||e.initialize(),e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(t.handleVAO):t.context.bindVertexArray(t.handleVAO);else if(e.isReady()){const e=t.context;for(let n=0;n0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,1):e.vertexAttribDivisor(o.index+n,1))}}}},e.release=()=>{if(e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(null):t.context.bindVertexArray(null);else if(e.isReady()){const e=t.context;for(let n=0;n0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,0):e.vertexAttribDivisor(o.index+n,0)),e.disableVertexAttribArray(o.index+n)}}}},e.shaderProgramChanged=()=>{e.release(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.handleProgram=0},e.releaseGraphicsResources=()=>{e.shaderProgramChanged(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.supported=!0,t.handleProgram=0},e.addAttributeArray=(t,n,r,o,a,i,s,l)=>e.addAttributeArrayWithDivisor(t,n,r,o,a,i,s,l,0,!1),e.addAttributeArrayWithDivisor=(n,r,o,a,i,s,l,c,u,d)=>{if(!n)return!1;if(!n.isBound()||0===r.getHandle()||r.getType()!==Ju.ARRAY_BUFFER)return!1;if(0===t.handleProgram&&(t.handleProgram=n.getHandle()),e.isReady()||e.initialize(),!e.isReady()||t.handleProgram!==n.getHandle())return!1;const p=t.context,f={};if(f.name=o,f.index=p.getAttribLocation(t.handleProgram,o),f.offset=a,f.stride=i,f.type=s,f.size=l,f.normalize=c,f.isMatrix=d,f.divisor=u,-1===f.Index)return!1;if(r.bind(),p.enableVertexAttribArray(f.index),p.vertexAttribPointer(f.index,f.size,f.type,f.normalize,f.stride,f.offset),u>0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f.index,1):p.vertexAttribDivisor(f.index,1)),f.buffer=r.getHandle(),!t.supported){let e=!1;for(let n=0;n{const d=e.addAttributeArrayWithDivisor(n,r,o,a,i,s,l,c,u,!0);if(!d)return d;const p=t.context,f=p.getAttribLocation(t.handleProgram,o);for(let e=1;e0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f+e,1):p.vertexAttribDivisor(f+e,1));return!0},e.removeAttributeArray=n=>{if(!e.isReady()||0===t.handleProgram)return!1;if(!t.supported)for(let e=0;e{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))}}const Cd={forceEmulation:!1,handleVAO:0,handleProgram:0,supported:!0,buffers:null,context:null};function Sd(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Cd,n),t.buffers=[],jt.obj(e,t),jt.get(e,t,["supported"]),jt.setGet(e,t,["forceEmulation"]),Td(e,t)}var Ad={newInstance:jt.newInstance(Sd,"vtkOpenGLVertexArrayObject"),extend:Sd};const Pd={Start:0,Points:0,Lines:1,Tris:2,TriStrips:3,TrisEdges:4,TriStripsEdges:5,End:6};function Id(e,t){t.classHierarchy.push("vtkOpenGLHelper"),e.setOpenGLRenderWindow=e=>{t.context=e.getContext(),t.program.setContext(t.context),t.VAO.setOpenGLRenderWindow(e),t.CABO.setOpenGLRenderWindow(e)},e.releaseGraphicsResources=e=>{t.VAO.releaseGraphicsResources(),t.CABO.releaseGraphicsResources(),t.CABO.setElementCount(0)},e.drawArrays=(n,r,o,a)=>{if(t.CABO.getElementCount()){const i=e.getOpenGLMode(o),s=e.haveWideLines(n,r),l=t.context,c=l.getParameter(l.DEPTH_WRITEMASK);t.pointPicking&&l.depthMask(!1),i===l.LINES&&s?(e.updateShaders(n,r,a),l.drawArraysInstanced(i,0,t.CABO.getElementCount(),2*Math.ceil(r.getProperty().getLineWidth()))):(l.lineWidth(r.getProperty().getLineWidth()),e.updateShaders(n,r,a),l.drawArrays(i,0,t.CABO.getElementCount()),l.lineWidth(1));const u=(i===l.POINTS?1:0)||(i===l.LINES?2:3);return t.pointPicking&&l.depthMask(c),t.CABO.getElementCount()/u}return 0},e.getOpenGLMode=e=>{if(t.pointPicking)return t.context.POINTS;const n=t.primitiveType;return e===ps.POINTS||n===Pd.Points?t.context.POINTS:e===ps.WIREFRAME||n===Pd.Lines||n===Pd.TrisEdges||n===Pd.TriStripsEdges?t.context.LINES:t.context.TRIANGLES},e.haveWideLines=(e,n)=>n.getProperty().getLineWidth()>1&&!(t.CABO.getOpenGLRenderWindow()&&t.CABO.getOpenGLRenderWindow().getHardwareMaximumLineWidth()>=n.getProperty().getLineWidth()),e.getNeedToRebuildShaders=(t,n,r)=>!!(r.getNeedToRebuildShaders(e,t,n)||0===e.getProgram()||e.getShaderSourceTime().getMTime(){if(e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};o.buildShaders(a,n,r);const i=t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==e.getProgram()&&(e.setProgram(i),e.getVAO().releaseGraphicsResources()),e.getShaderSourceTime().modified()}else t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgram(e.getProgram());e.getVAO().bind(),o.setMapperShaderParameters(e,n,r),o.setPropertyShaderParameters(e,n,r),o.setCameraShaderParameters(e,n,r),o.setLightingShaderParameters(e,n,r),o.invokeShaderCallbacks(e,n,r)},e.setMapperShaderParameters=(n,r,o)=>{if(e.haveWideLines(n,r)){e.getProgram().setUniform2f("viewportSize",o.usize,o.vsize);const t=parseFloat(r.getProperty().getLineWidth()),n=t/2;e.getProgram().setUniformf("lineWidthStepSize",t/Math.ceil(t)),e.getProgram().setUniformf("halfLineWidth",n)}t.primitiveType===Pd.Points||r.getProperty().getRepresentation()===ps.POINTS?e.getProgram().setUniformf("pointSize",r.getProperty().getPointSize()):t.pointPicking&&e.getProgram().setUniformf("pointSize",e.getPointPickingPrimitiveSize())},e.replaceShaderPositionVC=(n,r,o)=>{let a=n.Vertex;a=xd.substitute(a,"//VTK::PositionVC::Dec",["//VTK::PositionVC::Dec","uniform float pointSize;"]).result,a=xd.substitute(a,"//VTK::PositionVC::Impl",["//VTK::PositionVC::Impl"," gl_PointSize = pointSize;"],!1).result,e.getOpenGLMode(o.getProperty().getRepresentation())===t.context.LINES&&e.haveWideLines(r,o)&&(a=xd.substitute(a,"//VTK::PositionVC::Dec",["//VTK::PositionVC::Dec","uniform vec2 viewportSize;","uniform float lineWidthStepSize;","uniform float halfLineWidth;"]).result,a=xd.substitute(a,"//VTK::PositionVC::Impl",["//VTK::PositionVC::Impl"," if (halfLineWidth > 0.0)"," {"," float offset = float(gl_InstanceID / 2) * lineWidthStepSize - halfLineWidth;"," vec4 tmpPos = gl_Position;"," vec3 tmpPos2 = tmpPos.xyz / tmpPos.w;"," tmpPos2.x = tmpPos2.x + 2.0 * mod(float(gl_InstanceID), 2.0) * offset / viewportSize[0];"," tmpPos2.y = tmpPos2.y + 2.0 * mod(float(gl_InstanceID + 1), 2.0) * offset / viewportSize[1];"," gl_Position = vec4(tmpPos2.xyz * tmpPos.w, tmpPos.w);"," }"]).result),n.Vertex=a},e.getPointPickingPrimitiveSize=()=>t.primitiveType===Pd.Points?2:t.primitiveType===Pd.Lines?4:6,e.getAllocatedGPUMemoryInBytes=()=>e.getCABO().getAllocatedGPUMemoryInBytes()}const wd={context:null,program:null,shaderSourceTime:null,VAO:null,attributeUpdateTime:null,CABO:null,primitiveType:0,pointPicking:!1};function Od(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,wd,n),jt.obj(e,t),t.shaderSourceTime={},jt.obj(t.shaderSourceTime),t.attributeUpdateTime={},jt.obj(t.attributeUpdateTime),jt.setGet(e,t,["program","shaderSourceTime","VAO","attributeUpdateTime","CABO","primitiveType","pointPicking"]),t.program=xd.newInstance(),t.VAO=Ad.newInstance(),t.CABO=ud.newInstance(),Id(e,t)}var Md={newInstance:jt.newInstance(Od),extend:Od,primTypes:Pd};const Rd={CLAMP_TO_EDGE:0,REPEAT:1,MIRRORED_REPEAT:2},Vd={NEAREST:0,LINEAR:1,NEAREST_MIPMAP_NEAREST:2,NEAREST_MIPMAP_LINEAR:3,LINEAR_MIPMAP_NEAREST:4,LINEAR_MIPMAP_LINEAR:5};var Ed={Wrap:Rd,Filter:Vd};const Dd=new Float32Array(1),Ld=new Int32Array(Dd.buffer);var Bd={fromHalf:function(e){const t=(32768&e)>>15,n=(31744&e)>>10,r=1023&e;return 0===n?(t?-1:1)*2**-14*(r/1024):31===n?r?NaN:1/0*(t?-1:1):(t?-1:1)*2**(n-15)*(1+r/1024)},toHalf:function(e){Dd[0]=e;const t=Ld[0];let n=t>>16&32768,r=t>>12&2047;const o=t>>23&255;return o<103?n:o>142?(n|=31744,n|=(255===o?0:1)&&8388607&t,n):o<113?(r|=2048,n|=(r>>114-o)+(r>>113-o&1),n):(n|=o-112<<10|r>>1,n+=1&r,n)}};const{Wrap:Nd,Filter:kd}=Ed,{VtkDataTypes:Fd}=Us,{vtkDebugMacro:_d,vtkErrorMacro:Gd,vtkWarningMacro:Ud}=Kt,{toHalf:Wd}=Bd;function zd(e,t){function n(e,n){let r=arguments.length>2&&void 0!==arguments[2]&&arguments[2];const o=[];let a=t.width*t.height*t.components;if(r&&(a*=t.depth),e!==Fd.FLOAT&&t.openGLDataType===t.context.FLOAT)for(let e=0;ea?n[e].subarray(0,a):n[e];o.push(new Float32Array(t))}else o.push(null);if(e!==Fd.UNSIGNED_CHAR&&t.openGLDataType===t.context.UNSIGNED_BYTE)for(let e=0;ea?n[e].subarray(0,a):n[e];o.push(new Uint8Array(t))}else o.push(null);let i=!1;if(t._openGLRenderWindow.getWebgl2())i=t.openGLDataType===t.context.HALF_FLOAT;else{const e=t.context.getExtension("OES_texture_half_float");i=e&&t.openGLDataType===e.HALF_FLOAT_OES}if(i)for(let e=0;e=o&&(c=o-1);const m=i-l,h=1-m;l=l*r*a,c=c*r*a;for(let t=0;t=r&&(p=r-1);const v=i-s;s*=a,p*=a;for(let t=0;t2048||o<-2048||o>2048)return!1}return!0}(r,o)||a);t.useHalfFloat=s}(a,c.offset,c.scale,r),t.useHalfFloat||e.getOpenGLDataType(a,!0),{numComps:o,dataType:a,data:i,scaleOffsets:c}}t.classHierarchy.push("vtkOpenGLTexture"),e.render=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null;if(n?t._openGLRenderWindow=n:(t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent()),t.context=t._openGLRenderWindow.getContext(),t.renderable.getInterpolate()?(t.generateMipmap?e.setMinificationFilter(kd.LINEAR_MIPMAP_LINEAR):e.setMinificationFilter(kd.LINEAR),e.setMagnificationFilter(kd.LINEAR)):(e.setMinificationFilter(kd.NEAREST),e.setMagnificationFilter(kd.NEAREST)),t.renderable.getRepeat()&&(e.setWrapR(Nd.REPEAT),e.setWrapS(Nd.REPEAT),e.setWrapT(Nd.REPEAT)),t.renderable.getInputData()&&t.renderable.setImage(null),!t.handle||t.renderable.getMTime()>t.textureBuildTime.getMTime()){if(null!==t.renderable.getImage()&&(t.renderable.getInterpolate()&&(t.generateMipmap=!0,e.setMinificationFilter(kd.LINEAR_MIPMAP_LINEAR)),t.renderable.getImage()&&t.renderable.getImageLoaded()&&(e.create2DFromImage(t.renderable.getImage()),e.activate(),e.sendParameters(),t.textureBuildTime.modified())),null!==t.renderable.getCanvas()){t.renderable.getInterpolate()&&(t.generateMipmap=!0,e.setMinificationFilter(kd.LINEAR_MIPMAP_LINEAR));const n=t.renderable.getCanvas();e.create2DFromRaw(n.width,n.height,4,Fd.UNSIGNED_CHAR,n,!0),e.activate(),e.sendParameters(),t.textureBuildTime.modified()}if(null!==t.renderable.getJsImageData()){const n=t.renderable.getJsImageData();t.renderable.getInterpolate()&&(t.generateMipmap=!0,e.setMinificationFilter(kd.LINEAR_MIPMAP_LINEAR)),e.create2DFromRaw(n.width,n.height,4,Fd.UNSIGNED_CHAR,n.data,!0),e.activate(),e.sendParameters(),t.textureBuildTime.modified()}const n=t.renderable.getInputData(0);if(n&&n.getPointData().getScalars()){const r=n.getExtent(),o=n.getPointData().getScalars(),a=[];for(let e=0;e{e.deactivate(),t.context&&t.handle&&t.context.deleteTexture(t.handle),t.handle=0,t.numberOfDimensions=0,t.target=0,t.components=0,t.width=0,t.height=0,t.depth=0,e.resetFormatAndType()},e.createTexture=()=>{t.handle||(t.handle=t.context.createTexture(),t.target&&(t.context.bindTexture(t.target,t.handle),t.context.texParameteri(t.target,t.context.TEXTURE_MIN_FILTER,e.getOpenGLFilterMode(t.minificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_MAG_FILTER,e.getOpenGLFilterMode(t.magnificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_S,e.getOpenGLWrapMode(t.wrapS)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_T,e.getOpenGLWrapMode(t.wrapT)),t._openGLRenderWindow.getWebgl2()&&t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_R,e.getOpenGLWrapMode(t.wrapR)),t.context.bindTexture(t.target,null)))},e.getTextureUnit=()=>t._openGLRenderWindow?t._openGLRenderWindow.getTextureUnitForTexture(e):-1,e.activate=()=>{t._openGLRenderWindow.activateTexture(e),e.bind()},e.deactivate=()=>{t._openGLRenderWindow&&t._openGLRenderWindow.deactivateTexture(e)},e.releaseGraphicsResources=n=>{n&&t.handle&&(n.activateTexture(e),n.deactivateTexture(e),t.context.deleteTexture(t.handle),t.handle=0,t.numberOfDimensions=0,t.target=0,t.internalFormat=0,t.format=0,t.openGLDataType=0,t.components=0,t.width=0,t.height=0,t.depth=0,t.allocatedGPUMemoryInBytes=0),t.shaderProgram&&(t.shaderProgram.releaseGraphicsResources(n),t.shaderProgram=null)},e.bind=()=>{t.context.bindTexture(t.target,t.handle),t.autoParameters&&e.getMTime()>t.sendParametersTime.getMTime()&&e.sendParameters()},e.isBound=()=>{let e=!1;if(t.context&&t.handle){let n=0;t.target===t.context.TEXTURE_2D?n=t.context.TEXTURE_BINDING_2D:Ud("impossible case"),e=t.context.getIntegerv(n)===t.handle}return e},e.sendParameters=()=>{t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_S,e.getOpenGLWrapMode(t.wrapS)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_T,e.getOpenGLWrapMode(t.wrapT)),t._openGLRenderWindow.getWebgl2()&&t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_R,e.getOpenGLWrapMode(t.wrapR)),t.context.texParameteri(t.target,t.context.TEXTURE_MIN_FILTER,e.getOpenGLFilterMode(t.minificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_MAG_FILTER,e.getOpenGLFilterMode(t.magnificationFilter)),t._openGLRenderWindow.getWebgl2()&&(t.context.texParameteri(t.target,t.context.TEXTURE_BASE_LEVEL,t.baseLevel),t.context.texParameteri(t.target,t.context.TEXTURE_MAX_LEVEL,t.maxLevel)),t.sendParametersTime.modified()},e.getInternalFormat=(n,r)=>(t._forceInternalFormat||(t.internalFormat=e.getDefaultInternalFormat(n,r)),t.internalFormat||_d(`Unable to find suitable internal format for T=${n} NC= ${r}`),t.internalFormat),e.getDefaultInternalFormat=(e,n)=>{let r=0;return r=t._openGLRenderWindow.getDefaultTextureInternalFormat(e,n,t.oglNorm16Ext,t.useHalfFloat),r||(r||(_d("Unsupported internal texture type!"),_d(`Unable to find suitable internal format for T=${e} NC= ${n}`)),r)},e.setInternalFormat=n=>{t._forceInternalFormat=!0,n!==t.internalFormat&&(t.internalFormat=n,e.modified())},e.getFormat=(n,r)=>(t.format=e.getDefaultFormat(n,r),t.format),e.getDefaultFormat=(e,n)=>{if(t._openGLRenderWindow.getWebgl2())switch(n){case 1:return t.context.RED;case 2:return t.context.RG;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}else switch(n){case 1:return t.context.LUMINANCE;case 2:return t.context.LUMINANCE_ALPHA;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}},e.resetFormatAndType=()=>{t.format=0,t.internalFormat=0,t._forceInternalFormat=!1,t.openGLDataType=0},e.getDefaultDataType=e=>{if(t._openGLRenderWindow.getWebgl2())switch(e){case Fd.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case t.oglNorm16Ext&&!t.useHalfFloat&&Fd.SHORT:return t.context.SHORT;case t.oglNorm16Ext&&!t.useHalfFloat&&Fd.UNSIGNED_SHORT:return t.context.UNSIGNED_SHORT;case t.useHalfFloat&&Fd.SHORT:case t.useHalfFloat&&Fd.UNSIGNED_SHORT:return t.context.HALF_FLOAT;case Fd.FLOAT:case Fd.VOID:default:return t.context.FLOAT}switch(e){case Fd.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case Fd.FLOAT:case Fd.VOID:default:if(t.context.getExtension("OES_texture_float")&&t.context.getExtension("OES_texture_float_linear"))return t.context.FLOAT;{const e=t.context.getExtension("OES_texture_half_float");if(e&&t.context.getExtension("OES_texture_half_float_linear"))return e.HALF_FLOAT_OES}return t.context.UNSIGNED_BYTE}},e.getOpenGLDataType=function(n){let r=arguments.length>1&&void 0!==arguments[1]&&arguments[1];return t.openGLDataType&&!r||(t.openGLDataType=e.getDefaultDataType(n)),t.openGLDataType},e.getShiftAndScale=()=>{let e=0,n=1;switch(t.openGLDataType){case t.context.BYTE:n=127.5,e=n-128;break;case t.context.UNSIGNED_BYTE:n=255,e=0;break;case t.context.SHORT:n=32767.5,e=n-32768;break;case t.context.UNSIGNED_SHORT:n=65536,e=0;break;case t.context.INT:n=2147483647.5,e=n-2147483648;break;case t.context.UNSIGNED_INT:n=4294967295,e=0;case t.context.FLOAT:}return{shift:e,scale:n}},e.getOpenGLFilterMode=e=>{switch(e){case kd.NEAREST:return t.context.NEAREST;case kd.LINEAR:return t.context.LINEAR;case kd.NEAREST_MIPMAP_NEAREST:return t.context.NEAREST_MIPMAP_NEAREST;case kd.NEAREST_MIPMAP_LINEAR:return t.context.NEAREST_MIPMAP_LINEAR;case kd.LINEAR_MIPMAP_NEAREST:return t.context.LINEAR_MIPMAP_NEAREST;case kd.LINEAR_MIPMAP_LINEAR:return t.context.LINEAR_MIPMAP_LINEAR;default:return t.context.NEAREST}},e.getOpenGLWrapMode=e=>{switch(e){case Nd.CLAMP_TO_EDGE:return t.context.CLAMP_TO_EDGE;case Nd.REPEAT:return t.context.REPEAT;case Nd.MIRRORED_REPEAT:return t.context.MIRRORED_REPEAT;default:return t.context.CLAMP_TO_EDGE}},e.create2DFromRaw=function(a,i,s,l,c){let u=arguments.length>5&&void 0!==arguments[5]&&arguments[5];if(e.getOpenGLDataType(l,!0),e.getInternalFormat(l,s),e.getFormat(l,s),!t.internalFormat||!t.format||!t.openGLDataType)return Gd("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=s,t.width=a,t.height=i,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=[c],p=n(l,d),f=r(p);return t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,u),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(l)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=f[0]&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,f[0])):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,f[0]),t.generateMipmap&&t.context.generateMipmap(t.target),u&&t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,!1),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*s*t._openGLRenderWindow.getDefaultTextureByteSize(l,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.createCubeFromRaw=(a,i,s,l,c)=>{if(e.getOpenGLDataType(l),e.getInternalFormat(l,s),e.getFormat(l,s),!t.internalFormat||!t.format||!t.openGLDataType)return Gd("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_CUBE_MAP,t.components=s,t.width=a,t.height=i,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),t.maxLevel=c.length/6-1,e.createTexture(),e.bind();const u=r(n(l,c)),d=[];let p=t.width,f=t.height;for(let e=0;e=1&&a>=1;){let i=null;n<=t.maxLevel&&(i=d[6*n+e]),o(l)?null!=i&&t.context.texSubImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,0,0,r,a,t.format,t.openGLDataType,i):t.context.texImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,t.internalFormat,r,a,0,t.format,t.openGLDataType,i),n++,r/=2,a/=2}}return t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*s*t._openGLRenderWindow.getDefaultTextureByteSize(l,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.createDepthFromRaw=(n,r,a,i)=>(e.getOpenGLDataType(a),t.format=t.context.DEPTH_COMPONENT,t._openGLRenderWindow.getWebgl2()?a===Fd.FLOAT?t.internalFormat=t.context.DEPTH_COMPONENT32F:t.internalFormat=t.context.DEPTH_COMPONENT16:t.internalFormat=t.context.DEPTH_COMPONENT,t.internalFormat&&t.format&&t.openGLDataType?(t.target=t.context.TEXTURE_2D,t.components=1,t.width=n,t.height=r,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(a)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=i&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,i)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,i),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(a,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0):(Gd("Failed to determine texture parameters."),!1)),e.create2DFromImage=n=>{if(e.getOpenGLDataType(Fd.UNSIGNED_CHAR),e.getInternalFormat(Fd.UNSIGNED_CHAR,4),e.getFormat(Fd.UNSIGNED_CHAR,4),!t.internalFormat||!t.format||!t.openGLDataType)return Gd("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=4,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1);const r=!(t._openGLRenderWindow.getWebgl2()||Wo(n.width)&&Wo(n.height)),a=document.createElement("canvas");a.width=r?Uo(n.width):n.width,a.height=r?Uo(n.height):n.height,t.width=a.width,t.height=a.height;const i=a.getContext("2d");i.translate(0,a.height),i.scale(1,-1),i.drawImage(n,0,0,n.width,n.height,0,0,a.width,a.height);const s=a;return o(Fd.UNSIGNED_CHAR)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=s&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,s)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,s),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(Fd.UNSIGNED_CHAR,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.create2DFilterableFromRaw=function(t,n,r,o,a){let i=arguments.length>5&&void 0!==arguments[5]&&arguments[5];return e.create2DFilterableFromDataArray(t,n,Us.newInstance({numberOfComponents:r,dataType:o,values:a}),i)},e.create2DFilterableFromDataArray=function(t,n,r){let o=arguments.length>3&&void 0!==arguments[3]&&arguments[3];const{numComps:i,dataType:s,data:l}=a(r,o);e.create2DFromRaw(t,n,i,s,l)},e.create3DFromRaw=(a,i,s,l,c,u)=>{if(e.getOpenGLDataType(c),e.getInternalFormat(c,l),e.getFormat(c,l),!t.internalFormat||!t.format||!t.openGLDataType)return Gd("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_3D,t.components=l,t.width=a,t.height=i,t.depth=s,t.numberOfDimensions=3,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=r(n(c,[u],!0));return t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(c)?(t.context.texStorage3D(t.target,1,t.internalFormat,t.width,t.height,t.depth),null!=d[0]&&t.context.texSubImage3D(t.target,0,0,0,0,t.width,t.height,t.depth,t.format,t.openGLDataType,d[0])):t.context.texImage3D(t.target,0,t.internalFormat,t.width,t.height,t.depth,0,t.format,t.openGLDataType,d[0]),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(c,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.create3DFilterableFromRaw=function(t,n,r,o,a,i){let s=arguments.length>6&&void 0!==arguments[6]&&arguments[6];return e.create3DFilterableFromDataArray(t,n,r,Us.newInstance({numberOfComponents:o,dataType:a,values:i}),s)},e.create3DFilterableFromDataArray=function(n,r,i,s){let l=arguments.length>4&&void 0!==arguments[4]&&arguments[4];const{numComps:c,dataType:u,data:d,scaleOffsets:p}=a(s,l),f=n*r*i,g=[],m=[];for(let e=0;e1/e));for(let e=0;e{e[t]=n},y=Fd.UNSIGNED_CHAR;if(u===Fd.UNSIGNED_CHAR)for(let e=0;e{e[t]=(n-r)/o}):(y=Fd.UNSIGNED_CHAR,v=(e,t,n,r,o)=>{e[t]=255*(n-r)/o});if(e.getOpenGLDataType(y),e.getInternalFormat(y,c),e.getFormat(y,c),!t.internalFormat||!t.format||!t.openGLDataType)return Gd("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=c,t.depth=1,t.numberOfDimensions=2;let b=t.context.getParameter(t.context.MAX_TEXTURE_SIZE);b>4096&&(y===Fd.FLOAT||c>=3)&&(b=4096);let x=1,T=1;f>b*b&&(x=Math.ceil(Math.sqrt(f/(b*b))),T=x);let C=Math.sqrt(f)/x;C=Uo(C);const S=Math.floor(C*x/n),A=Math.ceil(i/S),P=Uo(r*A/T);let I;t.width=C,t.height=P,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.volumeInfo.xreps=S,t.volumeInfo.yreps=A,t.volumeInfo.xstride=x,t.volumeInfo.ystride=T,t.volumeInfo.offset=h.offset,t.volumeInfo.scale=h.scale;const w=C*P*c;I=y===Fd.FLOAT?new Float32Array(w):new Uint8Array(w);let O=0;const M=Math.floor(n/x),R=Math.floor(r/T);for(let e=0;e{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.getMaximumTextureSize=e=>e&&e.isCurrent()?e.getIntegerv(e.MAX_TEXTURE_SIZE):-1}const Hd={_openGLRenderWindow:null,_forceInternalFormat:!1,context:null,handle:0,sendParametersTime:null,textureBuildTime:null,numberOfDimensions:0,target:0,format:0,openGLDataType:0,components:0,width:0,height:0,depth:0,autoParameters:!0,wrapS:Nd.CLAMP_TO_EDGE,wrapT:Nd.CLAMP_TO_EDGE,wrapR:Nd.CLAMP_TO_EDGE,minificationFilter:kd.NEAREST,magnificationFilter:kd.NEAREST,minLOD:-1e3,maxLOD:1e3,baseLevel:0,maxLevel:1e3,generateMipmap:!1,useHalfFloat:!0,oglNorm16Ext:null,allocatedGPUMemoryInBytes:0};function jd(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Hd,n),Zt.extend(e,t,n),t.sendParametersTime={},yt(t.sendParametersTime,{mtime:0}),t.textureBuildTime={},yt(t.textureBuildTime,{mtime:0}),St(e,t,["format","openGLDataType"]),At(e,t,["keyMatrixTime","minificationFilter","magnificationFilter","wrapS","wrapT","wrapR","generateMipmap","oglNorm16Ext"]),xt(e,t,["width","height","volumeInfo","components","handle","target","allocatedGPUMemoryInBytes"]),Ot(0,t,["openGLRenderWindow"]),zd(e,t)}const Kd=Et(jd,"vtkOpenGLTexture");var $d={newInstance:Kd,extend:jd,...Ed};rn("vtkTexture",Kd);var qd="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexMC;\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// optional normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// material property values\n//VTK::Color::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// picking support\n//VTK::Picking::Dec\n\nvoid main()\n{\n //VTK::Color::Impl\n\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Clip::Impl\n\n //VTK::PrimID::Impl\n\n //VTK::PositionVC::Impl\n\n //VTK::Light::Impl\n\n //VTK::Picking::Impl\n}\n",Xd="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the polydata mappers fragment shader\n\nuniform int PrimitiveIDOffset;\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// optional color passed in from the vertex shader, vertexColor\n//VTK::Color::Dec\n\n// optional surface normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// Depth Peeling Support\n//VTK::DepthPeeling::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// label outline \n//VTK::LabelOutline::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n//VTK::LabelOutlineHelperFunction\n\nvoid main()\n{\n // VC position of this fragment. This should not branch/return/discard.\n //VTK::PositionVC::Impl\n\n // Place any calls that require uniform flow (e.g. dFdx) here.\n //VTK::UniformFlow::Impl\n\n // Set gl_FragDepth here (gl_FragCoord.z by default)\n //VTK::Depth::Impl\n\n // Early depth peeling abort:\n //VTK::DepthPeeling::PreColor\n\n // Apple Bug\n //VTK::PrimID::Impl\n\n //VTK::Clip::Impl\n\n //VTK::Color::Impl\n\n // Generate the normal if we are not passed in one\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Light::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n\n //VTK::DepthPeeling::Impl\n\n //VTK::Picking::Impl\n\n // handle coincident offsets\n //VTK::Coincident::Impl\n\n //VTK::ZBuffer::Impl\n\n //VTK::RenderPassFragmentShader::Impl\n}\n",Yd=function(e,t){e.replaceShaderCoincidentOffset=(n,r,o)=>{const a=e.getCoincidentParameters(r,o);if(a&&(0!==a.factor||0!==a.offset)){let e=n.Fragment;e=xd.substitute(e,"//VTK::Coincident::Dec",["uniform float cfactor;","uniform float coffset;"]).result,t.context.getExtension("EXT_frag_depth")&&(0!==a.factor?(e=xd.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=xd.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=xd.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + 0.000016*coffset;").result),t._openGLRenderWindow.getWebgl2()&&(0!==a.factor?(e=xd.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=xd.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=xd.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + 0.000016*coffset;").result),n.Fragment=e}}},Zd=function(e,t){e.applyShaderReplacements=(e,t,n)=>{let r=null;if(t&&(r=t.ShaderReplacements),r)for(let t=0;t{e.getReplacedShaderTemplate(n,r,o),t.lastRenderPassShaderReplacement=t.currentRenderPass?t.currentRenderPass.getShaderReplacement():null,t.lastRenderPassShaderReplacement&&t.lastRenderPassShaderReplacement(n);const a=t.renderable.getViewSpecificProperties().OpenGL;e.applyShaderReplacements(n,a,!0),e.replaceShaderValues(n,r,o),e.applyShaderReplacements(n,a)},e.getReplacedShaderTemplate=(n,r,o)=>{const a=t.renderable.getViewSpecificProperties().OpenGL;e.getShaderTemplate(n,r,o);let i=n.Vertex;if(a){const e=a.VertexShaderCode;void 0!==e&&""!==e&&(i=e)}n.Vertex=i;let s=n.Fragment;if(a){const e=a.FragmentShaderCode;void 0!==e&&""!==e&&(s=e)}n.Fragment=s;let l=n.Geometry;if(a){const e=a.GeometryShaderCode;void 0!==e&&(l=e)}n.Geometry=l}};const{FieldAssociations:Qd}=gl,{primTypes:Jd}=Md,{Representation:ep,Shading:tp}=xs,{ScalarMode:np}=fc,{Filter:rp,Wrap:op}=$d,{vtkErrorMacro:ap}=Kt,ip={type:"StartEvent"},sp={type:"EndEvent"},{CoordinateSystem:lp}=is;function cp(e,t){function n(e,t,n){return t.identity(n),e.reduce(((e,n,r)=>0===r?n?t.copy(e,n):t.identity(e):n?t.multiply(e,e,n):e),n)}t.classHierarchy.push("vtkOpenGLPolyDataMapper"),e.buildPass=n=>{n&&(t.currentRenderPass=null,t.openGLActor=e.getFirstAncestorOfType("vtkOpenGLActor"),t._openGLRenderer=t.openGLActor.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.openGLCamera=t._openGLRenderer.getViewNodeFor(t._openGLRenderer.getRenderable().getActiveCamera()))},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.render=()=>{const n=t._openGLRenderWindow.getContext();if(t.context!==n){t.context=n;for(let e=Jd.Start;e{e.Vertex=qd,e.Fragment=Xd,e.Geometry=""},e.replaceShaderColor=(e,n,r)=>{let o=e.Vertex,a=e.Geometry,i=e.Fragment;const s=t.lastBoundBO.getReferenceByName("lastLightComplexity");let l=["uniform float ambient;","uniform float diffuse;","uniform float specular;","uniform float opacityUniform; // the fragment opacity","uniform vec3 ambientColorUniform;","uniform vec3 diffuseColorUniform;"];s&&(l=l.concat(["uniform vec3 specularColorUniform;","uniform float specularPowerUniform;"]));let c=["vec3 ambientColor;"," vec3 diffuseColor;"," float opacity;"];s&&(c=c.concat([" vec3 specularColor;"," float specularPower;"])),c=c.concat([" ambientColor = ambientColorUniform;"," diffuseColor = diffuseColorUniform;"," opacity = opacityUniform;"]),s&&(c=c.concat([" specularColor = specularColorUniform;"," specularPower = specularPowerUniform;"])),0===t.lastBoundBO.getCABO().getColorComponents()||t.drawingEdges||(l=l.concat(["varying vec4 vertexColorVSOutput;"]),o=xd.substitute(o,"//VTK::Color::Dec",["attribute vec4 scalarColor;","varying vec4 vertexColorVSOutput;"]).result,o=xd.substitute(o,"//VTK::Color::Impl",["vertexColorVSOutput = scalarColor;"]).result,a=xd.substitute(a,"//VTK::Color::Dec",["in vec4 vertexColorVSOutput[];","out vec4 vertexColorGSOutput;"]).result,a=xd.substitute(a,"//VTK::Color::Impl",["vertexColorGSOutput = vertexColorVSOutput[i];"]).result),0===t.lastBoundBO.getCABO().getColorComponents()||t.drawingEdges?t.renderable.getInterpolateScalarsBeforeMapping()&&t.renderable.getColorCoordinates()&&!t.drawingEdges?i=xd.substitute(i,"//VTK::Color::Impl",c.concat([" vec4 texColor = texture2D(texture1, tcoordVCVSOutput.st);"," diffuseColor = texColor.rgb;"," ambientColor = texColor.rgb;"," opacity = opacity*texColor.a;"])).result:(r.getBackfaceProperty()&&!t.drawingEdges&&(l=l.concat(["uniform float opacityUniformBF; // the fragment opacity","uniform float ambientIntensityBF; // the material ambient","uniform float diffuseIntensityBF; // the material diffuse","uniform vec3 ambientColorUniformBF; // ambient material color","uniform vec3 diffuseColorUniformBF; // diffuse material color"]),s?(l=l.concat(["uniform float specularIntensityBF; // the material specular intensity","uniform vec3 specularColorUniformBF; // intensity weighted color","uniform float specularPowerUniformBF;"]),c=c.concat(["if (gl_FrontFacing == false) {"," ambientColor = ambientIntensityBF * ambientColorUniformBF;"," diffuseColor = diffuseIntensityBF * diffuseColorUniformBF;"," specularColor = specularIntensityBF * specularColorUniformBF;"," specularPower = specularPowerUniformBF;"," opacity = opacityUniformBF; }"])):c=c.concat(["if (gl_FrontFacing == false) {"," ambientColor = ambientIntensityBF * ambientColorUniformBF;"," diffuseColor = diffuseIntensityBF * diffuseColorUniformBF;"," opacity = opacityUniformBF; }"])),t.haveCellScalars&&!t.drawingEdges&&(l=l.concat(["uniform samplerBuffer texture1;"])),i=xd.substitute(i,"//VTK::Color::Impl",c).result):i=xd.substitute(i,"//VTK::Color::Impl",c.concat([" diffuseColor = vertexColorVSOutput.rgb;"," ambientColor = vertexColorVSOutput.rgb;"," opacity = opacity*vertexColorVSOutput.a;"])).result,i=xd.substitute(i,"//VTK::Color::Dec",l).result,e.Vertex=o,e.Geometry=a,e.Fragment=i},e.replaceShaderLight=(e,n,r)=>{let o=e.Fragment;const a=t.lastBoundBO.getReferenceByName("lastLightComplexity"),i=t.lastBoundBO.getReferenceByName("lastLightCount");let s=[];switch(a){case 0:o=xd.substitute(o,"//VTK::Light::Impl",[" gl_FragData[0] = vec4(ambientColor * ambient + diffuseColor * diffuse, opacity);"," //VTK::Light::Impl"],!1).result;break;case 1:o=xd.substitute(o,"//VTK::Light::Impl",[" float df = max(0.0, normalVCVSOutput.z);"," float sf = pow(df, specularPower);"," vec3 diffuseL = df * diffuseColor;"," vec3 specularL = sf * specularColor;"," gl_FragData[0] = vec4(ambientColor * ambient + diffuseL * diffuse + specularL * specular, opacity);"," //VTK::Light::Impl"],!1).result;break;case 2:for(let e=0;e= cos(radians(lightConeAngle${e})))`," {",` attenuation = attenuation * pow(coneDot, lightExponent${e});`," }"," else"," {"," attenuation = 0.0;"," }"," }"," }"," df = max(0.0, attenuation*dot(normalVCVSOutput, -vertLightDirectionVC));",` diffuseL += ((df) * lightColor${e});`," if (dot(normalVCVSOutput, vertLightDirectionVC) < 0.0)"," {",` float sf = sign(df)*attenuation*pow(max(1e-5,\n dot(reflect(lightDirectionVC${e},\n normalVCVSOutput),\n normalize(-vertexVC.xyz))),\n specularPower);`,` specularL += ((sf) * lightColor${e});`," }"]);s=s.concat([" diffuseL = diffuseL * diffuseColor;"," specularL = specularL * specularColor;"," gl_FragData[0] = vec4(ambientColor * ambient + diffuseL * diffuse + specularL * specular, opacity);"," //VTK::Light::Impl"]),o=xd.substitute(o,"//VTK::Light::Impl",s,!1).result;break;default:ap("bad light complexity")}e.Fragment=o},e.replaceShaderNormal=(e,n,r)=>{if(t.lastBoundBO.getReferenceByName("lastLightComplexity")>0){let n=e.Vertex,o=e.Geometry,a=e.Fragment;t.lastBoundBO.getCABO().getNormalOffset()?(n=xd.substitute(n,"//VTK::Normal::Dec",["attribute vec3 normalMC;","uniform mat3 normalMatrix;","varying vec3 normalVCVSOutput;"]).result,n=xd.substitute(n,"//VTK::Normal::Impl",["normalVCVSOutput = normalMatrix * normalMC;"]).result,o=xd.substitute(o,"//VTK::Normal::Dec",["in vec3 normalVCVSOutput[];","out vec3 normalVCGSOutput;"]).result,o=xd.substitute(o,"//VTK::Normal::Impl",["normalVCGSOutput = normalVCVSOutput[i];"]).result,a=xd.substitute(a,"//VTK::Normal::Dec",["varying vec3 normalVCVSOutput;"]).result,a=xd.substitute(a,"//VTK::Normal::Impl",["vec3 normalVCVSOutput = normalize(normalVCVSOutput);"," if (gl_FrontFacing == false) { normalVCVSOutput = -normalVCVSOutput; }"]).result):t.haveCellNormals?(a=xd.substitute(a,"//VTK::Normal::Dec",["uniform mat3 normalMatrix;","uniform samplerBuffer textureN;"]).result,a=xd.substitute(a,"//VTK::Normal::Impl",["vec3 normalVCVSOutput = normalize(normalMatrix *"," texelFetchBuffer(textureN, gl_PrimitiveID + PrimitiveIDOffset).xyz);"," if (gl_FrontFacing == false) { normalVCVSOutput = -normalVCVSOutput; }"]).result):t.lastBoundBO.getOpenGLMode(r.getProperty().getRepresentation())===t.context.LINES?(a=xd.substitute(a,"//VTK::UniformFlow::Impl",[" vec3 fdx = dFdx(vertexVC.xyz);"," vec3 fdy = dFdy(vertexVC.xyz);"," //VTK::UniformFlow::Impl"]).result,a=xd.substitute(a,"//VTK::Normal::Impl",["vec3 normalVCVSOutput;"," if (abs(fdx.x) > 0.0)"," { fdx = normalize(fdx); normalVCVSOutput = normalize(cross(vec3(fdx.y, -fdx.x, 0.0), fdx)); }"," else { fdy = normalize(fdy); normalVCVSOutput = normalize(cross(vec3(fdy.y, -fdy.x, 0.0), fdy));}"]).result):(a=xd.substitute(a,"//VTK::Normal::Dec",["uniform int cameraParallel;"]).result,a=xd.substitute(a,"//VTK::UniformFlow::Impl",[" vec3 fdx = dFdx(vertexVC.xyz);"," vec3 fdy = dFdy(vertexVC.xyz);"," //VTK::UniformFlow::Impl"]).result,a=xd.substitute(a,"//VTK::Normal::Impl",[" fdx = normalize(fdx);"," fdy = normalize(fdy);"," vec3 normalVCVSOutput = normalize(cross(fdx,fdy));"," if (cameraParallel == 1 && normalVCVSOutput.z < 0.0) { normalVCVSOutput = -1.0*normalVCVSOutput; }"," if (cameraParallel == 0 && dot(normalVCVSOutput,vertexVC.xyz) > 0.0) { normalVCVSOutput = -1.0*normalVCVSOutput; }"]).result),e.Vertex=n,e.Geometry=o,e.Fragment=a}},e.replaceShaderPositionVC=(e,n,r)=>{t.lastBoundBO.replaceShaderPositionVC(e,n,r);let o=e.Vertex,a=e.Geometry,i=e.Fragment;t.lastBoundBO.getReferenceByName("lastLightComplexity")>0?(o=xd.substitute(o,"//VTK::PositionVC::Dec",["varying vec4 vertexVCVSOutput;"]).result,o=xd.substitute(o,"//VTK::PositionVC::Impl",["vertexVCVSOutput = MCVCMatrix * vertexMC;"," gl_Position = MCPCMatrix * vertexMC;"]).result,o=xd.substitute(o,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;","uniform mat4 MCVCMatrix;"]).result,a=xd.substitute(a,"//VTK::PositionVC::Dec",["in vec4 vertexVCVSOutput[];","out vec4 vertexVCGSOutput;"]).result,a=xd.substitute(a,"//VTK::PositionVC::Impl",["vertexVCGSOutput = vertexVCVSOutput[i];"]).result,i=xd.substitute(i,"//VTK::PositionVC::Dec",["varying vec4 vertexVCVSOutput;"]).result,i=xd.substitute(i,"//VTK::PositionVC::Impl",["vec4 vertexVC = vertexVCVSOutput;"]).result):(o=xd.substitute(o,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,o=xd.substitute(o,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result),e.Vertex=o,e.Geometry=a,e.Fragment=i},e.replaceShaderTCoord=(e,n,r)=>{if(t.lastBoundBO.getCABO().getTCoordOffset()){let n=e.Vertex,r=e.Geometry,o=e.Fragment;if(t.drawingEdges)return;n=xd.substitute(n,"//VTK::TCoord::Impl","tcoordVCVSOutput = tcoordMC;").result;const a=t.openGLActor.getActiveTextures();let i=2,s=2;if(a&&a.length>0&&(i=a[0].getComponents(),a[0].getTarget()===t.context.TEXTURE_CUBE_MAP&&(s=3)),t.renderable.getColorTextureMap()&&(i=t.renderable.getColorTextureMap().getPointData().getScalars().getNumberOfComponents(),s=2),2===s){if(n=xd.substitute(n,"//VTK::TCoord::Dec","attribute vec2 tcoordMC; varying vec2 tcoordVCVSOutput;").result,r=xd.substitute(r,"//VTK::TCoord::Dec",["in vec2 tcoordVCVSOutput[];","out vec2 tcoordVCGSOutput;"]).result,r=xd.substitute(r,"//VTK::TCoord::Impl","tcoordVCGSOutput = tcoordVCVSOutput[i];").result,o=xd.substitute(o,"//VTK::TCoord::Dec",["varying vec2 tcoordVCVSOutput;","uniform sampler2D texture1;"]).result,a&&a.length>=1)switch(i){case 1:o=xd.substitute(o,"//VTK::TCoord::Impl",[" vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);"," ambientColor = ambientColor*tcolor.r;"," diffuseColor = diffuseColor*tcolor.r;"]).result;break;case 2:o=xd.substitute(o,"//VTK::TCoord::Impl",[" vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);"," ambientColor = ambientColor*tcolor.r;"," diffuseColor = diffuseColor*tcolor.r;"," opacity = opacity * tcolor.g;"]).result;break;default:o=xd.substitute(o,"//VTK::TCoord::Impl",[" vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);"," ambientColor = ambientColor*tcolor.rgb;"," diffuseColor = diffuseColor*tcolor.rgb;"," opacity = opacity * tcolor.a;"]).result}}else switch(n=xd.substitute(n,"//VTK::TCoord::Dec","attribute vec3 tcoordMC; varying vec3 tcoordVCVSOutput;").result,r=xd.substitute(r,"//VTK::TCoord::Dec",["in vec3 tcoordVCVSOutput[];","out vec3 tcoordVCGSOutput;"]).result,r=xd.substitute(r,"//VTK::TCoord::Impl","tcoordVCGSOutput = tcoordVCVSOutput[i];").result,o=xd.substitute(o,"//VTK::TCoord::Dec",["varying vec3 tcoordVCVSOutput;","uniform samplerCube texture1;"]).result,i){case 1:o=xd.substitute(o,"//VTK::TCoord::Impl",[" vec4 tcolor = textureCube(texture1, tcoordVCVSOutput);"," ambientColor = ambientColor*tcolor.r;"," diffuseColor = diffuseColor*tcolor.r;"]).result;break;case 2:o=xd.substitute(o,"//VTK::TCoord::Impl",[" vec4 tcolor = textureCube(texture1, tcoordVCVSOutput);"," ambientColor = ambientColor*tcolor.r;"," diffuseColor = diffuseColor*tcolor.r;"," opacity = opacity * tcolor.g;"]).result;break;default:o=xd.substitute(o,"//VTK::TCoord::Impl",[" vec4 tcolor = textureCube(texture1, tcoordVCVSOutput);"," ambientColor = ambientColor*tcolor.rgb;"," diffuseColor = diffuseColor*tcolor.rgb;"," opacity = opacity * tcolor.a;"]).result}e.Vertex=n,e.Geometry=r,e.Fragment=o}},e.replaceShaderClip=(e,n,r)=>{let o=e.Vertex,a=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){const e=t.renderable.getNumberOfClippingPlanes();o=xd.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;",`uniform vec4 clipPlanes[${e}];`,`varying float clipDistancesVSOutput[${e}];`]).result,o=xd.substitute(o,"//VTK::Clip::Impl",[`for (int planeNum = 0; planeNum < ${e}; planeNum++)`," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,a=xd.substitute(a,"//VTK::Clip::Dec",["uniform int numClipPlanes;",`varying float clipDistancesVSOutput[${e}];`]).result,a=xd.substitute(a,"//VTK::Clip::Impl",[`for (int planeNum = 0; planeNum < ${e}; planeNum++)`," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=a},e.getCoincidentParameters=(e,n)=>{let r={factor:0,offset:0};const o=n.getProperty();if(t.renderable.getResolveCoincidentTopology()||o.getEdgeVisibility()&&o.getRepresentation()===ep.SURFACE){const e=t.lastBoundBO.getPrimitiveType();e===Jd.Points||o.getRepresentation()===ep.POINTS?r=t.renderable.getCoincidentTopologyPointOffsetParameter():e===Jd.Lines||o.getRepresentation()===ep.WIREFRAME?r=t.renderable.getCoincidentTopologyLineOffsetParameters():e!==Jd.Tris&&e!==Jd.TriStrips||(r=t.renderable.getCoincidentTopologyPolygonOffsetParameters()),e!==Jd.TrisEdges&&e!==Jd.TriStripsEdges||(r=t.renderable.getCoincidentTopologyPolygonOffsetParameters(),r.factor/=2,r.offset/=2)}const a=t._openGLRenderer.getSelector();return a&&a.getFieldAssociation()===Qd.FIELD_ASSOCIATION_POINTS&&(r.offset-=2),r},e.replaceShaderPicking=(e,n,r)=>{let o=e.Fragment,a=e.Vertex;if(o=xd.substitute(o,"//VTK::Picking::Dec",["uniform int picking;","//VTK::Picking::Dec"]).result,t._openGLRenderer.getSelector()){switch(t.lastSelectionState!==Jl.ID_LOW24&&t.lastSelectionState!==Jl.ID_HIGH24||(a=xd.substitute(a,"//VTK::Picking::Dec",["flat out int vertexIDVSOutput;\n","uniform int VertexIDOffset;\n"]).result,a=xd.substitute(a,"//VTK::Picking::Impl"," vertexIDVSOutput = gl_VertexID + VertexIDOffset;\n").result,o=xd.substitute(o,"//VTK::Picking::Dec","flat in int vertexIDVSOutput;\n").result,o=xd.substitute(o,"//VTK::Picking::Impl",[" int idx = vertexIDVSOutput;","//VTK::Picking::Impl"]).result),t.lastSelectionState){case Jl.ID_LOW24:o=xd.substitute(o,"//VTK::Picking::Impl"," gl_FragData[0] = vec4(float(idx%256)/255.0, float((idx/256)%256)/255.0, float((idx/65536)%256)/255.0, 1.0);").result;break;case Jl.ID_HIGH24:o=xd.substitute(o,"//VTK::Picking::Impl"," gl_FragData[0] = vec4(float(idx)/255.0, 0.0, 0.0, 1.0);").result;break;default:o=xd.substitute(o,"//VTK::Picking::Dec","uniform vec3 mapperIndex;").result,o=xd.substitute(o,"//VTK::Picking::Impl"," gl_FragData[0] = picking != 0 ? vec4(mapperIndex,1.0) : gl_FragData[0];").result}e.Fragment=o,e.Vertex=a}},e.replaceShaderValues=(n,r,o)=>{if(e.replaceShaderColor(n,r,o),e.replaceShaderNormal(n,r,o),e.replaceShaderLight(n,r,o),e.replaceShaderTCoord(n,r,o),e.replaceShaderPicking(n,r,o),e.replaceShaderClip(n,r,o),e.replaceShaderCoincidentOffset(n,r,o),e.replaceShaderPositionVC(n,r,o),t.haveSeenDepthRequest){let e=n.Fragment;e=xd.substitute(e,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,e=xd.substitute(e,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result,n.Fragment=e}},e.getNeedToRebuildShaders=(e,n,r)=>{let o=0,a=0;const i=e.getPrimitiveType(),s=t.currentInput;let l=!1;const c=s.getPointData().getNormals(),u=s.getCellData().getNormals(),d=r.getProperty().getInterpolation()===tp.FLAT,p=r.getProperty().getRepresentation(),f=e.getOpenGLMode(p,i);if(f===t.context.TRIANGLES||u&&!c||!d&&c?l=!0:d||f!==t.context.LINES||(l=!0),r.getProperty().getLighting()&&l){o=0;const e=n.getLightsByReference();for(let t=0;t0&&(a++,0===o&&(o=1)),1===o&&(a>1||1!==n.getIntensity()||!n.lightTypeIsHeadLight())&&(o=2),o<3&&n.getPositional()&&(o=3)}}let g=!1;const m=t.lastBoundBO.getReferenceByName("lastLightComplexity"),h=t.lastBoundBO.getReferenceByName("lastLightCount");return m===o&&h===a||(t.lastBoundBO.set({lastLightComplexity:o},!0),t.lastBoundBO.set({lastLightCount:a},!0),g=!0),(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(g=!0),!!(t.lastHaveSeenDepthRequest!==t.haveSeenDepthRequest||e.getShaderSourceTime().getMTime(){const o=t.renderable.getViewSpecificProperties().ShadersCallbacks;o&&o.forEach((t=>{t.callback(t.userData,e,n,r)}))},e.setMapperShaderParameters=(n,r,o)=>{if(n.getProgram().isUniformUsed("PrimitiveIDOffset")&&n.getProgram().setUniformi("PrimitiveIDOffset",t.primitiveIDOffset),n.getProgram().isUniformUsed("VertexIDOffset")&&n.getProgram().setUniformi("VertexIDOffset",t.vertexIDOffset),n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())){const e=t.lastBoundBO.getReferenceByName("lastLightComplexity");n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,!1)||ap("Error setting vertexMC in shader VAO.")),n.getProgram().isAttributeUsed("normalMC")&&n.getCABO().getNormalOffset()&&e>0?n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"normalMC",n.getCABO().getNormalOffset(),n.getCABO().getStride(),t.context.FLOAT,3,!1)||ap("Error setting normalMC in shader VAO."):n.getVAO().removeAttributeArray("normalMC"),t.renderable.getCustomShaderAttributes().forEach(((e,r)=>{n.getProgram().isAttributeUsed(`${e}MC`)&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),`${e}MC`,n.getCABO().getCustomData()[r].offset,n.getCABO().getStride(),t.context.FLOAT,n.getCABO().getCustomData()[r].components,!1)||ap(`Error setting ${e}MC in shader VAO.`))})),n.getProgram().isAttributeUsed("tcoordMC")&&n.getCABO().getTCoordOffset()?n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"tcoordMC",n.getCABO().getTCoordOffset(),n.getCABO().getStride(),t.context.FLOAT,n.getCABO().getTCoordComponents(),!1)||ap("Error setting tcoordMC in shader VAO."):n.getVAO().removeAttributeArray("tcoordMC"),n.getProgram().isAttributeUsed("scalarColor")&&n.getCABO().getColorComponents()?n.getVAO().addAttributeArray(n.getProgram(),n.getCABO().getColorBO(),"scalarColor",n.getCABO().getColorOffset(),n.getCABO().getColorBOStride(),t.context.UNSIGNED_BYTE,4,!0)||ap("Error setting scalarColor in shader VAO."):n.getVAO().removeAttributeArray("scalarColor"),n.getAttributeUpdateTime().modified()}if(t.renderable.getNumberOfClippingPlanes()){const e=t.renderable.getNumberOfClippingPlanes(),r=[],a=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,i=a?d(t.tmpMat4,o.getMatrix()):o.getMatrix();a&&(m(i,i),b(i,i,a),m(i,i));for(let n=0;n{const o=t.lastBoundBO.getReferenceByName("lastLightComplexity");if(o<2)return;const a=e.getProgram();let i=0;const s=n.getLightsByReference();for(let e=0;e0){const e=r.getColorByReference(),o=r.getIntensity();t.lightColor[0]=e[0]*o,t.lightColor[1]=e[1]*o,t.lightColor[2]=e[2]*o;const s=r.getDirection(),l=n.getActiveCamera().getViewMatrix(),c=[...s];r.lightTypeIsSceneLight()&&(c[0]=l[0]*s[0]+l[1]*s[1]+l[2]*s[2],c[1]=l[4]*s[0]+l[5]*s[1]+l[6]*s[2],c[2]=l[8]*s[0]+l[9]*s[1]+l[10]*s[2],Qo(c)),t.lightDirection[0]=c[0],t.lightDirection[1]=c[1],t.lightDirection[2]=c[2],Qo(t.lightDirection),a.setUniform3fArray(`lightColor${i}`,t.lightColor),a.setUniform3fArray(`lightDirectionVC${i}`,t.lightDirection),i++}}if(o<3)return;const l=n.getActiveCamera().getViewMatrix();m(l,l),i=0;for(let e=0;e0){const e=t.getTransformedPosition(),n=new Float64Array(3);Ln(n,e,l),a.setUniform3fArray(`lightAttenuation${i}`,t.getAttenuationValuesByReference()),a.setUniformi(`lightPositional${i}`,t.getPositional()),a.setUniformf(`lightExponent${i}`,t.getExponent()),a.setUniformf(`lightConeAngle${i}`,t.getConeAngle()),a.setUniform3fArray(`lightPositionVC${i}`,[n[0],n[1],n[2]]),i++}}},e.setCameraShaderParameters=(e,a,i)=>{const s=e.getProgram(),l=t.openGLCamera.getKeyMatrices(a),c=a.getActiveCamera(),u=t.openGLCamera.getKeyMatrixTime().getMTime(),d=s.getLastCameraMTime(),p=e.getCABO().getCoordShiftAndScaleEnabled()?e.getCABO().getInverseShiftAndScaleMatrix():null,f=i.getIsIdentity(),m=f?{mcwc:null,normalMatrix:null}:t.openGLActor.getKeyMatrices();if(i.getCoordinateSystem()===lp.DISPLAY){const e=t._openGLRenderer.getTiledSizeAndOrigin();g(t.tmpMat4),t.tmpMat4[0]=2/e.usize,t.tmpMat4[12]=-1,t.tmpMat4[5]=2/e.vsize,t.tmpMat4[13]=-1,b(t.tmpMat4,t.tmpMat4,p),s.setUniformMatrix("MCPCMatrix",t.tmpMat4)}else s.setUniformMatrix("MCPCMatrix",n([l.wcpc,m.mcwc,p],r,t.tmpMat4));s.isUniformUsed("MCVCMatrix")&&s.setUniformMatrix("MCVCMatrix",n([l.wcvc,m.mcwc,p],r,t.tmpMat4)),s.isUniformUsed("normalMatrix")&&s.setUniformMatrix3x3("normalMatrix",n([l.normalMatrix,m.normalMatrix],o,t.tmpMat3)),d!==u&&(s.isUniformUsed("cameraParallel")&&s.setUniformi("cameraParallel",c.getParallelProjection()),s.setLastCameraMTime(u)),f||s.setLastCameraMTime(0)},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram();let a=r.getProperty(),i=a.getOpacity(),s=t.drawingEdges?a.getEdgeColorByReference():a.getAmbientColorByReference(),l=t.drawingEdges?a.getEdgeColorByReference():a.getDiffuseColorByReference(),c=t.drawingEdges?1:a.getAmbient(),u=t.drawingEdges?0:a.getDiffuse(),d=t.drawingEdges?0:a.getSpecular();const p=a.getSpecularPower();o.setUniformf("opacityUniform",i),o.setUniform3fArray("ambientColorUniform",s),o.setUniform3fArray("diffuseColorUniform",l),o.setUniformf("ambient",c),o.setUniformf("diffuse",u);const f=t.lastBoundBO.getReferenceByName("lastLightComplexity");if(f<1)return;let g=a.getSpecularColorByReference();if(o.setUniform3fArray("specularColorUniform",g),o.setUniformf("specularPowerUniform",p),o.setUniformf("specular",d),o.isUniformUsed("ambientIntensityBF")){if(a=r.getBackfaceProperty(),i=a.getOpacity(),s=a.getAmbientColor(),c=a.getAmbient(),l=a.getDiffuseColor(),u=a.getDiffuse(),g=a.getSpecularColor(),d=a.getSpecular(),o.setUniformf("ambientIntensityBF",c),o.setUniformf("diffuseIntensityBF",u),o.setUniformf("opacityUniformBF",i),o.setUniform3fArray("ambientColorUniformBF",s),o.setUniform3fArray("diffuseColorUniformBF",l),f<1)return;o.setUniformf("specularIntensityBF",d),o.setUniform3fArray("specularColorUniformBF",g),o.setUniformf("specularPowerUniformBF",p)}},e.updateMaximumPointCellIds=(e,n)=>{const r=t._openGLRenderer.getSelector();if(r){if(t.selectionWebGLIdsToVTKIds?.points?.length){const e=t.selectionWebGLIdsToVTKIds.points.length;r.setMaximumPointId(e-1)}if(t.selectionWebGLIdsToVTKIds?.cells?.length){const e=t.selectionWebGLIdsToVTKIds.cells.length;r.setMaximumCellId(e-1)}r.getFieldAssociation()===Qd.FIELD_ASSOCIATION_POINTS&&(t.pointPicking=!0)}},e.renderPieceStart=(n,r)=>{t.primitiveIDOffset=0,t.vertexIDOffset=0;const o=function(e){const t=e.getSelector();return t?t.getCurrentPass():Jl.MIN_KNOWN_PASS-1}(t._openGLRenderer);t.lastSelectionState!==o&&(t.selectionStateChanged.modified(),t.lastSelectionState=o),t._openGLRenderer.getSelector()&&t._openGLRenderer.getSelector().renderProp(r),e.updateBufferObjects(n,r),t.renderable.getColorTextureMap()&&t.internalColorTexture.activate(),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=r.getProperty().getRepresentation(),a=r.getProperty().getEdgeVisibility()&&o===ep.SURFACE,i=t._openGLRenderer.getSelector(),s=i&&i.getFieldAssociation()===Qd.FIELD_ASSOCIATION_POINTS&&(t.lastSelectionState===Jl.ID_LOW24||t.lastSelectionState===Jl.ID_HIGH24);for(let i=Jd.Start;i=0)||(t.lastBoundBO=t.primitives[i],t.primitiveIDOffset+=t.primitives[i].drawArrays(n,r,o,e),t.vertexIDOffset+=t.primitives[i].getCABO().getElementCount()))},e.renderPieceFinish=(e,n)=>{t.LastBoundBO&&t.LastBoundBO.getVAO().release(),t.renderable.getColorTextureMap()&&t.internalColorTexture.deactivate()},e.renderPiece=(n,r)=>{if(e.invokeEvent(ip),t.renderable.getStatic()||t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.invokeEvent(sp),!t.currentInput)return void ap("No input!");if(!t.currentInput.getPoints||!t.currentInput.getPoints().getNumberOfValues())return;const o=t.context,a=r.getProperty().getBackfaceCulling(),i=r.getProperty().getFrontfaceCulling();a||i?i?(t._openGLRenderWindow.enableCullFace(),o.cullFace(o.FRONT)):(t._openGLRenderWindow.enableCullFace(),o.cullFace(o.BACK)):t._openGLRenderWindow.disableCullFace(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():Ra(t.bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>{const o=t.VBOBuildTime.getMTime();return o{const o=t.currentInput;if(null===o)return;t.renderable.mapScalars(o,1);const a=t.renderable.getColorMapColors();t.haveCellScalars=!1;const i=t.renderable.getScalarMode();t.renderable.getScalarVisibility()&&(i!==np.USE_CELL_DATA&&i!==np.USE_CELL_FIELD_DATA&&i!==np.USE_FIELD_DATA&&o.getPointData().getScalars()||i===np.USE_POINT_FIELD_DATA||!a||(t.haveCellScalars=!0));let s=r.getProperty().getInterpolation()!==tp.FLAT?o.getPointData().getNormals():null;null===s&&o.getCellData().getNormals()&&(t.haveCellNormals=!0,s=o.getCellData().getNormals());const l=r.getProperty().getRepresentation();let c=o.getPointData().getTCoords();if(t.openGLActor.getActiveTextures()||(c=null),t.renderable.getColorCoordinates()){c=t.renderable.getColorCoordinates(),t.internalColorTexture||(t.internalColorTexture=$d.newInstance({resizable:!0}));const e=t.internalColorTexture;e.setMinificationFilter(rp.NEAREST),e.setMagnificationFilter(rp.NEAREST),e.setWrapS(op.CLAMP_TO_EDGE),e.setWrapT(op.CLAMP_TO_EDGE),e.setOpenGLRenderWindow(t._openGLRenderWindow);const n=t.renderable.getColorTextureMap(),r=n.getExtent(),o=n.getPointData().getScalars();e.create2DFromRaw(r[1]-r[0]+1,r[3]-r[2]+1,o.getNumberOfComponents(),o.getDataType(),o.getData()),e.activate(),e.sendParameters(),e.deactivate()}const u=`${o.getMTime()}A${l}B${o.getMTime()}C${s?s.getMTime():1}D${a?a.getMTime():1}E${r.getProperty().getEdgeVisibility()}F${c?c.getMTime():1}`;if(t.VBOBuildString!==u){const n={points:o.getPoints(),normals:s,tcoords:c,colors:a,cellOffset:0,vertexOffset:0,haveCellScalars:t.haveCellScalars,haveCellNormals:t.haveCellNormals,customAttributes:t.renderable.getCustomShaderAttributes().map((e=>o.getPointData().getArrayByName(e)))};t.renderable.getPopulateSelectionSettings()&&(t.selectionWebGLIdsToVTKIds={points:null,cells:null});const i=[{inRep:"verts",cells:o.getVerts()},{inRep:"lines",cells:o.getLines()},{inRep:"polys",cells:o.getPolys()},{inRep:"strips",cells:o.getStrips()},{inRep:"polys",cells:o.getPolys()},{inRep:"strips",cells:o.getStrips()}],d=r.getProperty().getEdgeVisibility()&&l===ep.SURFACE;for(let e=Jd.Start;e{let e=0;return t.primitives.forEach((t=>{e+=t.getAllocatedGPUMemoryInBytes()})),e}}const up={context:null,VBOBuildTime:0,VBOBuildString:null,primitives:null,primTypes:null,shaderRebuildString:null,tmpMat4:null,ambientColor:[],diffuseColor:[],specularColor:[],lightColor:[],lightDirection:[],lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastSelectionState:Jl.MIN_KNOWN_PASS-1,selectionStateChanged:null,selectionWebGLIdsToVTKIds:null,pointPicking:!1};function dp(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,up,n),Zt.extend(e,t,n),Yd(e,t,n),Zd(e,t,n),t.primitives=[],t.primTypes=Jd,t.tmpMat3=pe(new Float64Array(9)),t.tmpMat4=g(new Float64Array(16));for(let e=Jd.Start;e{t.lookupTable=zl.newInstance()},e.getColorModeAsString=()=>jt.enumToString(gp,t.colorMode),e.setColorModeToDefault=()=>e.setColorMode(0),e.setColorModeToMapScalars=()=>e.setColorMode(1),e.setColorModeToDirectScalars=()=>e.setColorMode(2),e.getScalarModeAsString=()=>jt.enumToString(mp,t.scalarMode),e.setScalarModeToDefault=()=>e.setScalarMode(0),e.setScalarModeToUsePointData=()=>e.setScalarMode(1),e.setScalarModeToUseCellData=()=>e.setScalarMode(2),e.setScalarModeToUsePointFieldData=()=>e.setScalarMode(3),e.setScalarModeToUseCellFieldData=()=>e.setScalarMode(4),e.setScalarModeToUseFieldData=()=>e.setScalarMode(5),e.getAbstractScalars=(e,n,r,o,a)=>{if(!e||!t.scalarVisibility)return{scalars:null,cellFLag:!1};let i=null,s=!1;if(n===mp.DEFAULT)i=e.getPointData().getScalars(),i||(i=e.getCellData().getScalars(),s=!0);else if(n===mp.USE_POINT_DATA)i=e.getPointData().getScalars();else if(n===mp.USE_CELL_DATA)i=e.getCellData().getScalars(),s=!0;else if(n===mp.USE_POINT_FIELD_DATA){const t=e.getPointData();i=r===hp.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}else if(n===mp.USE_CELL_FIELD_DATA){const t=e.getCellData();s=!0,i=r===hp.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}else if(n===mp.USE_FIELD_DATA){const t=e.getFieldData();i=r===hp.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}return{scalars:i,cellFlag:s}},e.getLookupTable=()=>(t.lookupTable||e.createDefaultLookupTable(),t.lookupTable),e.getMTime=()=>{let e=t.mtime;if(null!==t.lookupTable){const n=t.lookupTable.getMTime();e=n>e?n:e}return e},e.mapScalars=(n,r)=>{const o=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!o)return void(t.colorMapColors=null);const a=`${e.getMTime()}${o.getMTime()}${r}`;if(t.colorBuildString===a)return;t.useLookupTableScalarRange||e.getLookupTable().setRange(t.scalarRange[0],t.scalarRange[1]);const i=e.getLookupTable();i&&(i.build(),t.colorMapColors=i.mapScalars(o,t.colorMode,t.fieldDataTupleId)),t.colorBuildString=`${e.getMTime()}${o.getMTime()}${r}`},e.getPrimitiveCount=()=>{const t=e.getInputData();return{points:t.getPoints().getNumberOfValues()/3,verts:t.getVerts().getNumberOfValues()-t.getVerts().getNumberOfCells(),lines:t.getLines().getNumberOfValues()-2*t.getLines().getNumberOfCells(),triangles:t.getPolys().getNumberOfValues()-3*t.getPolys().getNumberOfCells()}}}const yp={static:!1,lookupTable:null,scalarVisibility:!1,scalarRange:[0,1],useLookupTableScalarRange:!1,colorMode:0,scalarMode:0,arrayAccessMode:1,renderTime:0,colorByArrayName:null,transformCoordinate:null,viewSpecificProperties:null,customShaderAttributes:[]};function bp(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,yp,n),Hs(e,t,n),jt.get(e,t,["colorMapColors"]),jt.setGet(e,t,["arrayAccessMode","colorByArrayName","colorMode","lookupTable","renderTime","scalarMode","scalarVisibility","static","transformCoordinate","useLookupTableScalarRange","viewSpecificProperties","customShaderAttributes"]),jt.setGetArray(e,t,["scalarRange"],2),t.viewSpecificProperties||(t.viewSpecificProperties={}),vp(e,t)}var xp={newInstance:jt.newInstance(bp,"vtkMapper2D"),extend:bp};const Tp={BACKGROUND:0,FOREGROUND:1};var Cp={DisplayLocation:Tp};const{primTypes:Sp}=Md,{ScalarMode:Ap}=xp,{vtkErrorMacro:Pp}=Kt,Ip={type:"StartEvent"},wp={type:"EndEvent"};function Op(e,t){t.classHierarchy.push("vtkOpenGLPolyDataMapper2D"),e.buildPass=n=>{n&&(t.openGLActor2D=e.getFirstAncestorOfType("vtkOpenGLActor2D"),t._openGLRenderer=t.openGLActor2D.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.openGLCamera=t._openGLRenderer.getViewNodeFor(t._openGLRenderer.getRenderable().getActiveCamera()))},e.overlayPass=t=>{t&&e.render()},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyData2DVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\n// all variables that represent positions or directions have a suffix\n// indicating the coordinate system they are in. The possible values are\n// MC - Model Coordinates\n// WC - WC world coordinates\n// VC - View Coordinates\n// DC - Display Coordinates\n\nin vec4 vertexWC;\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// material property values\n//VTK::Color::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\nuniform mat4 WCVCMatrix; // World to view matrix\n\nvoid main()\n{\n // Apple Bug\n //VTK::PrimID::Impl\n\n gl_Position = WCVCMatrix*vertexWC;\n\n //VTK::TCoord::Impl\n\n //VTK::Color::Impl\n\n //VTK::PositionVC::Impl\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyData2DFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nuniform int PrimitiveIDOffset;\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// Scalar coloring\n//VTK::Color::Dec\n\n// Depth Peeling\n//VTK::DepthPeeling::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\nvoid main()\n{\n // Apple Bug\n //VTK::PrimID::Impl\n\n //VTK::Color::Impl\n //VTK::TCoord::Impl\n\n //VTK::DepthPeeling::Impl\n //VTK::Picking::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n}\n",e.Geometry=""},e.render=()=>{const n=t._openGLRenderWindow.getContext();if(t.context!==n){t.context=n;for(let e=Sp.Start;e{e.invokeEvent(Ip),t.renderable.getStatic()||t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.invokeEvent(wp),t.currentInput?t.currentInput.getPoints&&t.currentInput.getPoints().getNumberOfValues()&&(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):Pp("No input!")},e.renderPieceStart=(n,r)=>{t.primitiveIDOffset=0,t._openGLRenderer.getSelector()&&(t._openGLRenderer.getSelector().getCurrentPass(),t._openGLRenderer.getSelector().renderProp(r)),e.updateBufferObjects(n,r),t.lastBoundBO=null},e.getNeedToRebuildShaders=(e,n,r)=>e.getShaderSourceTime().getMTime(){e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>{const o=t.VBOBuildTime.getMTime();return!!(o{const r=t.currentInput;if(null===r)return;t.renderable.mapScalars(r,n.getProperty().getOpacity());const o=t.renderable.getColorMapColors();t.haveCellScalars=!1;const a=t.renderable.getScalarMode();t.renderable.getScalarVisibility()&&(a!==Ap.USE_CELL_DATA&&a!==Ap.USE_CELL_FIELD_DATA&&a!==Ap.USE_FIELD_DATA&&r.getPointData().getScalars()||a===Ap.USE_POINT_FIELD_DATA||!o||(t.haveCellScalars=!0));const i=n.getProperty().getRepresentation();let s=r.getPointData().getTCoords();t.openGLActor2D.getActiveTextures()||(s=null);const l=t.renderable.getTransformCoordinate(),c=e.getRenderWindow().getViews()[0].getViewportSize(e),u=`${r.getMTime()}A${i}B${r.getMTime()}C${o?o.getMTime():1}D${s?s.getMTime():1}E${l?e.getMTime():1}F${c}`;if(t.VBOBuildString!==u){let n=r.getPoints();if(l){const t=Ic.newInstance(),r=n.getNumberOfPoints();t.setNumberOfPoints(r);const o=[];for(let a=0;ar.getPointData().getArrayByName(e)))};a.cellOffset+=t.primitives[Sp.Points].getCABO().createVBO(r.getVerts(),"verts",i,a),a.cellOffset+=t.primitives[Sp.Lines].getCABO().createVBO(r.getLines(),"lines",i,a),a.cellOffset+=t.primitives[Sp.Tris].getCABO().createVBO(r.getPolys(),"polys",i,a),a.cellOffset+=t.primitives[Sp.TriStrips].getCABO().createVBO(r.getStrips(),"strips",i,a),t.VBOBuildTime.modified(),t.VBOBuildString=u}},e.renderPieceDraw=(n,r)=>{const o=r.getProperty().getRepresentation();t.context.depthMask(!0);for(let a=Sp.Start;a{t.lastBoundBO&&t.lastBoundBO.getVAO().release()},e.replaceShaderValues=(t,n,r)=>{e.replaceShaderColor(t,n,r),e.replaceShaderTCoord(t,n,r),e.replaceShaderPicking(t,n,r),e.replaceShaderPositionVC(t,n,r)},e.replaceShaderColor=(e,n,r)=>{let o=e.Vertex,a=e.Geometry,i=e.Fragment;t.haveCellScalars&&(i=xd.substitute(i,"//VTK::Color::Dec",["uniform samplerBuffer texture1;"]).result,i=xd.substitute(i,"//VTK::Color::Impl",["gl_FragData[0] = texelFetchBuffer(texture1, gl_PrimitiveID + PrimitiveIDOffset);"]).result),0!==t.lastBoundBO.getCABO().getColorComponents()?(o=xd.substitute(o,"//VTK::Color::Dec",["in vec4 diffuseColor;","out vec4 fcolorVSOutput;"]).result,o=xd.substitute(o,"//VTK::Color::Impl",["fcolorVSOutput = diffuseColor;"]).result,a=xd.substitute(a,"//VTK::Color::Dec",["in vec4 fcolorVSOutput[];\n","out vec4 fcolorGSOutput;"]).result,a=xd.substitute(a,"//VTK::Color::Impl",["fcolorGSOutput = fcolorVSOutput[i];"]).result,i=xd.substitute(i,"//VTK::Color::Dec",["in vec4 fcolorVSOutput;"]).result,i=xd.substitute(i,"//VTK::Color::Impl",["gl_FragData[0] = fcolorVSOutput;"]).result):(i=xd.substitute(i,"//VTK::Color::Dec",["uniform vec4 diffuseColor;"]).result,i=xd.substitute(i,"//VTK::Color::Impl",["gl_FragData[0] = diffuseColor;"]).result),e.Vertex=o,e.Geometry=a,e.Fragment=i},e.replaceShaderTCoord=(e,n,r)=>{if(t.lastBoundBO.getCABO().getTCoordOffset()){let n=e.Vertex,r=e.Geometry,o=e.Fragment;const a=t.lastBoundBO.getCABO().getTCoordComponents();1===a?(n=xd.substitute(n,"//VTK::TCoord::Dec",["in float tcoordMC;","out float tcoordVCVSOutput;"]).result,n=xd.substitute(n,"//VTK::TCoord::Impl",["tcoordVCVSOutput = tcoordMC;"]).result,r=xd.substitute(r,"//VTK::TCoord::Dec",["in float tcoordVCVSOutput[];\n","out float tcoordVCGSOutput;"]).result,r=xd.substitute(r,["//VTK::TCoord::Impl","tcoordVCGSOutput = tcoordVCVSOutput[i];"]).result,o=xd.substitute(o,"//VTK::TCoord::Dec",["in float tcoordVCVSOutput;","uniform sampler2D texture1;"]).result,o=xd.substitute(o,"//VTK::TCoord::Impl",["gl_FragData[0] = gl_FragData[0]*texture2D(texture1, vec2(tcoordVCVSOutput,0));"]).result):2===a&&(n=xd.substitute(n,"//VTK::TCoord::Dec",["in vec2 tcoordMC;","out vec2 tcoordVCVSOutput;"]).result,n=xd.substitute(n,"//VTK::TCoord::Impl",["tcoordVCVSOutput = tcoordMC;"]).result,r=xd.substitute(r,"//VTK::TCoord::Dec",["in vec2 tcoordVCVSOutput[];\n","out vec2 tcoordVCGSOutput;"]).result,r=xd.substitute(r,"//VTK::TCoord::Impl",["tcoordVCGSOutput = tcoordVCVSOutput[i];"]).result,o=xd.substitute(o,"//VTK::TCoord::Dec",["in vec2 tcoordVCVSOutput;","uniform sampler2D texture1;"]).result,o=xd.substitute(o,"//VTK::TCoord::Impl",["gl_FragData[0] = gl_FragData[0]*texture2D(texture1, tcoordVCVSOutput.st);"]).result),t.haveCellScalars&&(r=xd.substitute(r,"//VTK::PrimID::Impl",["gl_PrimitiveID = gl_PrimitiveIDIn;"]).result),e.Vertex=n,e.Geometry=r,e.Fragment=o}},e.replaceShaderPicking=(e,t,n)=>{let r=e.Fragment;r=xd.substitute(r,"//VTK::Picking::Dec",["uniform vec3 mapperIndex;","uniform int picking;"]).result,r=xd.substitute(r,"//VTK::Picking::Impl"," gl_FragData[0] = picking != 0 ? vec4(mapperIndex,1.0) : gl_FragData[0];").result,e.Fragment=r},e.replaceShaderPositionVC=(e,n,r)=>{t.lastBoundBO.replaceShaderPositionVC(e,n,r)},e.invokeShaderCallbacks=(e,n,r)=>{const o=t.renderable.getViewSpecificProperties().ShadersCallbacks;o&&o.forEach((t=>{t.callback(t.userData,e,n,r)}))},e.setMapperShaderParameters=(e,n,r)=>{if(e.getProgram().isUniformUsed("PrimitiveIDOffset")&&e.getProgram().setUniformi("PrimitiveIDOffset",t.primitiveIDOffset),e.getProgram().isAttributeUsed("vertexWC")&&(e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),"vertexWC",e.getCABO().getVertexOffset(),e.getCABO().getStride(),t.context.FLOAT,3,!1)||Pp("Error setting vertexWC in shader VAO.")),e.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>e.getAttributeUpdateTime().getMTime()||e.getShaderSourceTime().getMTime()>e.getAttributeUpdateTime().getMTime())){t.renderable.getCustomShaderAttributes().forEach(((n,r)=>{e.getProgram().isAttributeUsed(`${n}MC`)&&(e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),`${n}MC`,e.getCABO().getCustomData()[r].offset,e.getCABO().getStride(),t.context.FLOAT,e.getCABO().getCustomData()[r].components,!1)||Pp(`Error setting ${n}MC in shader VAO.`))})),e.getProgram().isAttributeUsed("tcoordMC")&&e.getCABO().getTCoordOffset()?e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),"tcoordMC",e.getCABO().getTCoordOffset(),e.getCABO().getStride(),t.context.FLOAT,e.getCABO().getTCoordComponents(),!1)||Pp("Error setting tcoordMC in shader VAO."):e.getVAO().removeAttributeArray("tcoordMC"),t.internalColorTexture&&e.getProgram().isUniformUsed("texture1")&&e.getProgram().setUniformi("texture1",t.internalColorTexture.getTextureUnit());const o=t.openGLActor2D.getActiveTextures();if(o)for(let t=0;t{const o=t.renderable.getColorMapColors();if(!o||0===o.getNumberOfComponents()){const t=e.getProgram(),n=r.getProperty(),o=n.getOpacity(),a=n.getColor(),i=[a[0],a[1],a[2],o];t.setUniform4f("diffuseColor",i)}},e.setLightingShaderParameters=(e,t,n)=>{},e.setCameraShaderParameters=(e,n,o)=>{const a=e.getProgram(),i=e.getCABO().getCoordShiftAndScaleEnabled()?e.getCABO().getInverseShiftAndScaleMatrix():null,s=n.getRenderWindow().getViews()[0].getViewportSize(n),l=n.getViewport(),c=o.getActualPositionCoordinate().getComputedDoubleViewportValue(n),u=[0,0,1,1],d=[0,0,1,1];if(d[0]=l[0]>=u[0]?l[0]:u[0],d[1]=l[1]>=u[1]?l[1]:u[1],d[2]=l[2]<=u[2]?l[2]:u[2],d[3]=l[3]<=u[3]?l[3]:u[3],d[0]>=d[2])return;if(d[1]>=d[3])return;s[0]=Lo(s[0]*(d[2]-d[0])/(l[2]-l[0])),s[1]=Lo(s[1]*(d[3]-d[1])/(l[3]-l[1]));const p=t._openGLRenderer.getParent().getSize(),f=Lo(c[0]-(d[0]-l[0])*p[0]),h=Lo(c[1]-(d[1]-l[1])*p[1]),v=-f;let y=-f+s[0];const b=-h;let x=-h+s[1];v===y&&(y=v+1),b===x&&(x=b+1);const T=g(new Float64Array(16));var C,S,A;T[0]=2/(y-v),T[5]=2/(x-b),T[3]=-1*(y+v)/(y-v),T[7]=-1*(x+b)/(x-b),T[10]=0,T[11]=o.getProperty().getDisplayLocation()===Tp.FOREGROUND?-1:1,T[15]=1,m(T,T),a.setUniformMatrix("WCVCMatrix",(C=[T,i],S=r,A=t.tmpMat4,S.identity(A),C.reduce(((e,t,n)=>0===n?t?S.copy(e,t):S.identity(e):t?S.multiply(e,e,t):e),A)))},e.getAllocatedGPUMemoryInBytes=()=>{let e=0;return t.primitives.forEach((t=>{e+=t.getAllocatedGPUMemoryInBytes()})),e}}const Mp={context:null,VBOBuildTime:0,VBOBuildString:null,primitives:null,primTypes:null,shaderRebuildString:null};const Rp=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Mp,n),Zt.extend(e,t,n),Yd(e,t,n),Zd(e,t,n),t.primitives=[],t.primTypes=Sp,t.tmpMat4=g(new Float64Array(16));for(let e=Sp.Start;e{const n=e.getLastSize(),r=(n[0]/700)**.8,o=(n[1]/700)**.8,a=Math.min(r,o),i=e.getAxisTextStyle(),s=e.getTickTextStyle();Object.assign(i,t.axisTextStyle),Object.assign(s,t.tickTextStyle),i.fontSize=Math.max(24*a,12),e.getLastAspectRatio()>1?s.fontSize=Math.max(20*a,10):s.fontSize=Math.max(16*a,10);const l=e.updateTextureAtlas();e.setTopTitle(!1);const c=e.getBoxSizeByReference();if(e.getLastAspectRatio()>1)e.setTickLabelPixelOffset(.3*s.fontSize),l.titleWidth<=l.tickWidth+e.getTickLabelPixelOffset()+.8*s.fontSize?(e.setTopTitle(!0),e.setAxisTitlePixelOffset(.2*s.fontSize),c[0]=2*(l.tickWidth+e.getTickLabelPixelOffset()+.8*s.fontSize)/n[0],e.setBoxPosition([.98-c[0],-.92])):(e.setAxisTitlePixelOffset(.2*s.fontSize),c[0]=2*(l.titleHeight+e.getAxisTitlePixelOffset()+l.tickWidth+e.getTickLabelPixelOffset()+.8*s.fontSize)/n[0],e.setBoxPosition([.99-c[0],-.92])),c[1]=Math.max(1.2,Math.min(1.84/o,1.84));else{e.setAxisTitlePixelOffset(1.2*s.fontSize),e.setTickLabelPixelOffset(.1*s.fontSize);const t=2*(.8*s.fontSize+l.titleHeight+e.getAxisTitlePixelOffset())/n[1],r=2*l.tickWidth/n[0];c[0]=Math.min(1.9,Math.max(1.4,1.4*r*(e.getTicks().length+3))),c[1]=t,e.setBoxPosition([-.5*c[0],-.97])}e.recomputeBarSegments(l)}}function Lp(e,t){return e=>{const t=e.getLastTickBounds(),n=yo().domain([t[0],t[1]]),r=n.ticks(5),o=n.tickFormat(5);e.setTicks(r),e.setTickStrings(r.map(o))}}function Bp(e,t){t.classHierarchy.push("vtkScalarBarActorHelper"),e.setRenderable=n=>{t.renderable!==n&&(t.renderable=n,t.barActor.setProperty(n.getProperty()),t.barActor.setParentProp(n),t.barActor.setCoordinateSystemToDisplay(),t.tmActor.setProperty(n.getProperty()),t.tmActor.setParentProp(n),t.tmActor.setCoordinateSystemToDisplay(),t.generateTicks=n.generateTicks,t.axisTextStyle={...n.getAxisTextStyle()},t.tickTextStyle={...n.getTickTextStyle()},e.modified())},e.updateAPISpecificData=(n,r,o)=>{t.lastSize[0]===n[0]&&t.lastSize[1]===n[1]||(t.lastSize[0]=n[0],t.lastSize[1]=n[1],t.lastAspectRatio=n[0]/n[1],t.forceUpdate=!0);const a=t.renderable.getScalarsToColors();if(a&&t.renderable.getVisibility()&&(t.barMapper.setLookupTable(a),t.camera=r,t.renderWindow=o,t.forceUpdate||Math.max(a.getMTime(),e.getMTime(),t.renderable.getMTime())>t.lastRebuildTime.getMTime())){const n=a.getMappingRange();if(t.lastTickBounds=[...n],t.renderable.getGenerateTicks()(e),t.renderable.getAutomated())t.renderable.getAutoLayout()(e);else{t.axisTextStyle={...t.renderable.getAxisTextStyle()},t.tickTextStyle={...t.renderable.getTickTextStyle()},t.barPosition=[...t.renderable.getBarPosition()],t.barSize=[...t.renderable.getBarSize()],t.boxPosition=[...t.renderable.getBoxPosition()],t.boxSize=[...t.renderable.getBoxSize()],t.axisTitlePixelOffset=t.renderable.getAxisTitlePixelOffset(),t.tickLabelPixelOffset=t.renderable.getTickLabelPixelOffset();const n=e.updateTextureAtlas();e.recomputeBarSegments(n)}e.updatePolyDataForLabels(),e.updatePolyDataForBarSegments(),t.lastRebuildTime.modified(),t.forceUpdate=!1}},e.updateTextureAtlas=()=>{t.tmContext.textBaseline="bottom",t.tmContext.textAlign="left";const n={},r=new Map;let o=0,a=1;Ep(t.tmContext,t.axisTextStyle);let i=t.tmContext.measureText(t.renderable.getAxisLabel()),s={height:i.actualBoundingBoxAscent+2,startingHeight:a,width:i.width+2,textStyle:t.axisTextStyle};r.set(t.renderable.getAxisLabel(),s),a+=s.height,o=s.width,n.titleWidth=s.width,n.titleHeight=s.height,n.tickWidth=0,n.tickHeight=0,Ep(t.tmContext,t.tickTextStyle);const l=[...e.getTickStrings(),"NaN","Below","Above"];for(let e=0;e{e.tcoords=[0,(a-e.startingHeight-e.height)/a,e.width/o,(a-e.startingHeight-e.height)/a,e.width/o,(a-e.startingHeight)/a,0,(a-e.startingHeight)/a]})),t.tmCanvas.width=o,t.tmCanvas.height=a,t.tmContext.textBaseline="bottom",t.tmContext.textAlign="left",t.tmContext.clearRect(0,0,o,a),r.forEach(((e,n)=>{Ep(t.tmContext,e.textStyle),t.tmContext.fillText(n,1,e.startingHeight+e.height-1)})),t.tmTexture.setCanvas(t.tmCanvas),t.tmTexture.modified(),t._tmAtlas=r,n},e.computeBarSize=e=>{t.vertical=t.boxSize[1]>t.boxSize[0];const n=2*e.tickHeight/t.lastSize[1],r=[1,1];if(t.vertical){const o=2*(e.tickWidth+t.tickLabelPixelOffset)/t.lastSize[0];if(t.topTitle){const n=2*(e.titleHeight+t.axisTitlePixelOffset)/t.lastSize[1];t.barSize[0]=t.boxSize[0]-o,t.barSize[1]=t.boxSize[1]-n}else{const n=2*(e.titleHeight+t.axisTitlePixelOffset)/t.lastSize[0];t.barSize[0]=t.boxSize[0]-n-o,t.barSize[1]=t.boxSize[1]}t.barPosition[0]=t.boxPosition[0]+o,t.barPosition[1]=t.boxPosition[1],r[1]=n}else{const n=(2*e.tickWidth-8)/t.lastSize[0],o=2*(e.titleHeight+t.axisTitlePixelOffset)/t.lastSize[1];t.barSize[0]=t.boxSize[0],t.barPosition[0]=t.boxPosition[0],t.barSize[1]=t.boxSize[1]-o,t.barPosition[1]=t.boxPosition[1],r[0]=n}return r},e.recomputeBarSegments=n=>{const r=e.computeBarSize(n);t.barSegments=[];const o=[0,0],a=t.vertical?1:0,i=t.vertical?.01:.02;function s(e,n){t.barSegments.push({corners:[[...o],[o[0]+r[0],o[1]],[o[0]+r[0],o[1]+r[1]],[o[0],o[1]+r[1]]],scalars:n,title:e}),o[a]+=r[a]+i}t.renderable.getDrawNanAnnotation()&&t.renderable.getScalarsToColors().getNanColor()&&s("NaN",[NaN,NaN,NaN,NaN]),t.renderable.getDrawBelowRangeSwatch()&&t.renderable.getScalarsToColors().getUseBelowRangeColor?.()&&s("Below",[-.1,-.1,-.1,-.1]);const l=t.renderable.getScalarsToColors().getUseAboveRangeColor?.();o[a]+=i;const c=r[a];r[a]=l?1-2*i-r[a]-o[a]:1-i-o[a],s("ticks",t.vertical?[0,0,.995,.995]:[0,.995,.995,0]),t.renderable.getDrawAboveRangeSwatch()&&l&&(r[a]=c,o[a]+=i,s("Above",[1.1,1.1,1.1,1.1]))};const n=new Float64Array(3);e.createPolyDataForOneLabel=(e,r,o,a,i,s)=>{const l=t._tmAtlas.get(e);if(!l)return;let c=s.ptIdx,u=s.cellIdx;n[0]=(.5*r[0]+.5)*t.lastSize[0],n[1]=(.5*r[1]+.5)*t.lastSize[1],n[2]=r[2],n[0]+=i[0],n[1]+=i[1];const d=[],p="vertical"===a?[1,0]:[0,1];"vertical"===a?(d[0]=l.width,d[1]=-l.height,"middle"===o[0]?n[1]-=l.width/2:"right"===o[0]&&(n[1]-=l.width),"middle"===o[1]?n[0]+=l.height/2:"top"===o[1]&&(n[0]+=l.height)):(d[0]=l.width,d[1]=l.height,"middle"===o[0]?n[0]-=l.width/2:"right"===o[0]&&(n[0]-=l.width),"middle"===o[1]?n[1]-=l.height/2:"top"===o[1]&&(n[1]-=l.height)),s.points[3*c]=n[0],s.points[3*c+1]=n[1],s.points[3*c+2]=n[2],s.tcoords[2*c]=l.tcoords[0],s.tcoords[2*c+1]=l.tcoords[1],c++,n[p[0]]+=d[0],s.points[3*c]=n[0],s.points[3*c+1]=n[1],s.points[3*c+2]=n[2],s.tcoords[2*c]=l.tcoords[2],s.tcoords[2*c+1]=l.tcoords[3],c++,n[p[1]]+=d[1],s.points[3*c]=n[0],s.points[3*c+1]=n[1],s.points[3*c+2]=n[2],s.tcoords[2*c]=l.tcoords[4],s.tcoords[2*c+1]=l.tcoords[5],c++,n[p[0]]-=d[0],s.points[3*c]=n[0],s.points[3*c+1]=n[1],s.points[3*c+2]=n[2],s.tcoords[2*c]=l.tcoords[6],s.tcoords[2*c+1]=l.tcoords[7],c++,s.polys[4*u]=3,s.polys[4*u+1]=c-4,s.polys[4*u+2]=c-3,s.polys[4*u+3]=c-2,u++,s.polys[4*u]=3,s.polys[4*u+1]=c-4,s.polys[4*u+2]=c-2,s.polys[4*u+3]=c-1,s.ptIdx+=4,s.cellIdx+=2};const r=new Float64Array(3);e.updatePolyDataForLabels=()=>{const n=e.getTickStrings().length+t.barSegments.length,o=4*n,a=2*n,i=new Float64Array(3*o),s=new Uint16Array(4*a),l=new Float32Array(2*o),c={ptIdx:0,cellIdx:0,polys:s,points:i,tcoords:l},u=t.vertical?0:1,d=t.vertical?1:0;r[2]=-.99;const p=t.vertical?["right","middle"]:["middle","bottom"];let f=[0,1];const g=[0,0];t.vertical?(g[0]=-t.tickLabelPixelOffset,t.topTitle?(r[0]=t.boxPosition[0]+.5*t.boxSize[0],r[1]=t.barPosition[1]+t.barSize[1],e.createPolyDataForOneLabel(t.renderable.getAxisLabel(),r,["middle","bottom"],"horizontal",[0,t.axisTitlePixelOffset],c)):(r[0]=t.barPosition[0]+t.barSize[0],r[1]=t.barPosition[1]+.5*t.barSize[1],e.createPolyDataForOneLabel(t.renderable.getAxisLabel(),r,["middle","top"],"vertical",[t.axisTitlePixelOffset,0],c)),f=[-1,0]):(g[1]=t.tickLabelPixelOffset,r[0]=t.barPosition[0]+.5*t.barSize[0],r[1]=t.barPosition[1]+t.barSize[1],e.createPolyDataForOneLabel(t.renderable.getAxisLabel(),r,["middle","bottom"],"horizontal",[0,t.axisTitlePixelOffset],c)),r[u]=t.barPosition[u]+(.5*f[u]+.5)*t.barSize[u],r[d]=t.barPosition[d]+.5*t.barSize[d];let m=null;for(let n=0;n{const e=t.renderable.getScalarsToColors();let n=0;t.renderable.getDrawNanAnnotation()&&e.getNanColor()&&(n+=1),t.renderable.getDrawBelowRangeSwatch()&&e.getUseBelowRangeColor?.()&&(n+=1),t.renderable.getDrawAboveRangeSwatch()&&e.getUseAboveRangeColor?.()&&(n+=1);const o=4*(1+n),a=o;let i=1;e.getVectorMode()===Vp.COMPONENT&&(i=e.getVectorComponent()+1);const s=new Float64Array(3*o),l=new Uint16Array(5*a),c=new Float32Array(o*i);let u=0,d=0;for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{renderable:null};Object.assign(t,{},n),jt.obj(e,t),jt.setGet(e,t,["axisTitlePixelOffset","tickLabelPixelOffset","renderable","topTitle","ticks","tickStrings"]),jt.get(e,t,["lastSize","lastAspectRatio","lastTickBounds","axisTextStyle","tickTextStyle","barActor","tmActor"]),jt.getArray(e,t,["boxPosition","boxSize"]),jt.setArray(e,t,["boxPosition","boxSize"],2),t.forceUpdate=!1,t.lastRebuildTime={},jt.obj(t.lastRebuildTime,{mtime:0}),t.lastSize=[-1,-1],t.tmCanvas=document.createElement("canvas"),t.tmContext=t.tmCanvas.getContext("2d"),t._tmAtlas=new Map,t.barMapper=fc.newInstance(),t.barMapper.setInterpolateScalarsBeforeMapping(!0),t.barMapper.setUseLookupTableScalarRange(!0),t.polyData=Pu.newInstance(),t.barMapper.setInputData(t.polyData),t.barActor=Ps.newInstance(),t.barActor.setMapper(t.barMapper),t.tmPolyData=Pu.newInstance(),t.tmMapper=fc.newInstance(),t.tmMapper.setInputData(t.tmPolyData),t.tmTexture=Ru.newInstance({resizable:!0}),t.tmTexture.setInterpolate(!1),t.tmActor=Ps.newInstance({parentProp:e}),t.tmActor.setMapper(t.tmMapper),t.tmActor.addTexture(t.tmTexture),t.barPosition=[0,0],t.barSize=[0,0],t.boxPosition=[.88,-.92],t.boxSize=[.1,1.1],t.lastTickBounds=[],Bp(e,t)}),"vtkScalarBarActorHelper");function kp(e,t){t.classHierarchy.push("vtkScalarBarActor"),e.setTickTextStyle=n=>{t.tickTextStyle={...t.tickTextStyle,...n},e.modified()},e.setAxisTextStyle=n=>{t.axisTextStyle={...t.axisTextStyle,...n},e.modified()},e.resetAutoLayoutToDefault=()=>{e.setAutoLayout(Dp(0,t))},e.resetGenerateTicksToDefault=()=>{e.setGenerateTicks(Lp())}}function Fp(e){return{automated:!0,autoLayout:null,axisLabel:"Scalar Value",barPosition:[0,0],barSize:[0,0],boxPosition:[.88,-.92],boxSize:[.1,1.1],scalarToColors:null,axisTitlePixelOffset:36,axisTextStyle:{fontColor:"white",fontStyle:"normal",fontSize:18,fontFamily:"serif"},tickLabelPixelOffset:14,tickTextStyle:{fontColor:"white",fontStyle:"normal",fontSize:14,fontFamily:"serif"},generateTicks:null,drawNanAnnotation:!0,drawBelowRangeSwatch:!0,drawAboveRangeSwatch:!0,...e}}function _p(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fp(n)),t.autoLayout||(t.autoLayout=Dp(0,t)),t.generateTicks||(t.generateTicks=Lp()),Ps.extend(e,t,n),e.getProperty().setDiffuse(0),e.getProperty().setAmbient(1),jt.setGet(e,t,["automated","autoLayout","axisTitlePixelOffset","axisLabel","scalarsToColors","tickLabelPixelOffset","generateTicks","drawNanAnnotation","drawBelowRangeSwatch","drawAboveRangeSwatch"]),jt.get(e,t,["axisTextStyle","tickTextStyle"]),jt.getArray(e,t,["barPosition","barSize","boxPosition","boxSize"]),jt.setArray(e,t,["barPosition","barSize","boxPosition","boxSize"],2),kp(e,t)}var Gp={newInstance:jt.newInstance(_p,"vtkScalarBarActor"),extend:_p,newScalarBarActorHelper:Np};function Up(e,t){t.classHierarchy.push("vtkOpenGLScalarBarActor"),e.buildPass=n=>{n&&(t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.scalarBarActorHelper.getRenderable()||t.scalarBarActorHelper.setRenderable(t.renderable),e.prepareNodes(),e.addMissingNode(t.scalarBarActorHelper.getBarActor()),e.addMissingNode(t.scalarBarActorHelper.getTmActor()),e.removeUnusedNodes())},e.opaquePass=(e,n)=>{if(e){const e=t._openGLRenderer?t._openGLRenderer.getRenderable().getActiveCamera():null,n=t._openGLRenderer.getTiledSizeAndOrigin();t.scalarBarActorHelper.updateAPISpecificData([n.usize,n.vsize],e,t._openGLRenderWindow.getRenderable())}}}const Wp={};const zp=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Wp,n),Zt.extend(e,t,n),t.scalarBarActorHelper=Gp.newScalarBarActorHelper(),Up(e,t)}),"vtkOpenGLScalarBarActor");rn("vtkScalarBarActor",zp);const{vtkErrorMacro:Hp}=Kt;function jp(e,t){t.classHierarchy.push("vtkOpenGLSkybox"),e.buildPass=n=>{if(n){t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.openGLTexture.setOpenGLRenderWindow(t._openGLRenderWindow);const n=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera())}},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;n.incrementOpaqueActorCount()}},e.opaquePass=(n,r)=>{if(n&&!t._openGLRenderer.getSelector()){e.updateBufferObjects(),t.context.depthMask(!0),t._openGLRenderWindow.getShaderCache().readyShaderProgram(t.tris.getProgram()),t.openGLTexture.render(t._openGLRenderWindow);const n=t.openGLTexture.getTextureUnit();t.tris.getProgram().setUniformi("sbtexture",n);const r=t._openGLRenderer.getRenderable(),o=t.openGLCamera.getKeyMatrices(r),a=new Float64Array(16);if(h(a,o.wcpc),t.tris.getProgram().setUniformMatrix("IMCPCMatrix",a),"box"===t.lastFormat){const e=r.getActiveCamera().getPosition();t.tris.getProgram().setUniform3f("camPos",e[0],e[1],e[2])}t.tris.getVAO().bind(),t.context.drawArrays(t.context.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.openGLTexture.deactivate()}},e.updateBufferObjects=()=>{if(!t.tris.getCABO().getElementCount()){const e=new Float32Array(12);for(let t=0;t<4;t++)e[3*t]=t%2*2-1,e[3*t+1]=t>1?1:-1,e[3*t+2]=1;const n=Us.newInstance({numberOfComponents:3,values:e});n.setName("points");const r=new Uint16Array(8);r[0]=3,r[1]=0,r[2]=1,r[3]=3,r[4]=3,r[5]=0,r[6]=3,r[7]=2;const o=Us.newInstance({numberOfComponents:1,values:r});t.tris.getCABO().createVBO(o,"polys",ps.SURFACE,{points:n,cellOffset:0})}t.renderable.getFormat()!==t.lastFormat&&(t.lastFormat=t.renderable.getFormat(),"box"===t.lastFormat&&t.tris.setProgram(t._openGLRenderWindow.getShaderCache().readyShaderProgramArray("//VTK::System::Dec\n attribute vec3 vertexMC;\n uniform mat4 IMCPCMatrix;\n varying vec3 TexCoords;\n void main () {\n gl_Position = vec4(vertexMC.xyz, 1.0);\n vec4 wpos = IMCPCMatrix * gl_Position;\n TexCoords = wpos.xyz/wpos.w;\n }","//VTK::System::Dec\n //VTK::Output::Dec\n varying vec3 TexCoords;\n uniform samplerCube sbtexture;\n uniform vec3 camPos;\n void main () {\n // skybox looks from inside out\n // which means we have to adjust\n // our tcoords. Otherwise text would\n // be flipped\n vec3 tc = normalize(TexCoords - camPos);\n if (abs(tc.z) < max(abs(tc.x),abs(tc.y)))\n {\n tc = vec3(1.0, 1.0, -1.0) * tc;\n }\n else\n {\n tc = vec3(-1.0, 1.0, 1.0) * tc;\n }\n gl_FragData[0] = textureCube(sbtexture, tc);\n }","")),"background"===t.lastFormat&&t.tris.setProgram(t._openGLRenderWindow.getShaderCache().readyShaderProgramArray("//VTK::System::Dec\n attribute vec3 vertexMC;\n uniform mat4 IMCPCMatrix;\n varying vec2 TexCoords;\n void main () {\n gl_Position = vec4(vertexMC.xyz, 1.0);\n vec4 wpos = IMCPCMatrix * gl_Position;\n TexCoords = vec2(vertexMC.x, vertexMC.y)*0.5 + 0.5;\n }","//VTK::System::Dec\n //VTK::Output::Dec\n varying vec2 TexCoords;\n uniform sampler2D sbtexture;\n void main () {\n gl_FragData[0] = texture2D(sbtexture, TexCoords);\n }","")),t.tris.getShaderSourceTime().modified(),t.tris.getVAO().bind(),t.tris.getVAO().addAttributeArray(t.tris.getProgram(),t.tris.getCABO(),"vertexMC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Hp("Error setting vertexMC in shader VAO."));const e=t.renderable.getTextures();e.length||Hp("vtkSkybox requires a texture map"),t.openGLTexture.getRenderable()!==e[0]&&(t.openGLTexture.releaseGraphicsResources(t._openGLRenderWindow),t.openGLTexture.setRenderable(e[0]))}}const Kp={context:null};const $p=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Kp,n),Zt.extend(e,t,n),t.openGLTexture=$d.newInstance(),t.tris=Md.newInstance(),t.keyMatrixTime={},yt(t.keyMatrixTime,{mtime:0}),t.keyMatrices={normalMatrix:pe(new Float64Array(9)),mcwc:g(new Float64Array(16))},At(e,t,["context"]),xt(e,t,["activeTextures"]),jp(e,t)}));rn("vtkSkybox",$p);const{FieldAssociations:qp}=gl;function Xp(e,t){t.classHierarchy.push("vtkHardwareSelector"),e.getSourceDataAsync=async(e,t,n,r,o)=>{},e.selectAsync=async(t,n,r,o,a)=>{const i=await e.getSourceDataAsync(t,n,r,o,a);return i?i.generateSelection(n,r,o,a):[]}}const Yp={fieldAssociation:qp.FIELD_ASSOCIATION_CELLS,captureZValues:!1};function Zp(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Yp,n),jt.obj(e,t),jt.setGet(e,t,["fieldAssociation","captureZValues"]),Xp(e,t)}var Qp={newInstance:jt.newInstance(Zp,"vtkHardwareSelector"),extend:Zp};function Jp(e,t){t.classHierarchy.push("vtkFramebuffer"),e.getBothMode=()=>t.context.FRAMEBUFFER,e.saveCurrentBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.saveCurrentBindings(n),e.saveCurrentBuffers(n)},e.saveCurrentBindings=e=>{if(!t.context)return void et("you must set the OpenGLRenderWindow before calling saveCurrentBindings");const n=t.context;t.previousDrawBinding=n.getParameter(t.context.FRAMEBUFFER_BINDING),t.previousActiveFramebuffer=t._openGLRenderWindow.getActiveFramebuffer()},e.saveCurrentBuffers=e=>{},e.restorePreviousBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.restorePreviousBindings(n),e.restorePreviousBuffers(n)},e.restorePreviousBindings=e=>{if(!t.context)return void et("you must set the OpenGLRenderWindow before calling restorePreviousBindings");const n=t.context;n.bindFramebuffer(n.FRAMEBUFFER,t.previousDrawBinding),t._openGLRenderWindow.setActiveFramebuffer(t.previousActiveFramebuffer)},e.restorePreviousBuffers=e=>{},e.bind=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,r=n;null===r&&(r=t.context.FRAMEBUFFER),t.context.bindFramebuffer(r,t.glFramebuffer);for(let e=0;e{t.context?(t.glFramebuffer=t.context.createFramebuffer(),t.glFramebuffer.width=e,t.glFramebuffer.height=n):et("you must set the OpenGLRenderWindow before calling create")},e.setColorBuffer=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const r=t.context;if(!r)return void et("you must set the OpenGLRenderWindow before calling setColorBuffer");let o=r.COLOR_ATTACHMENT0;if(n>0){if(!t._openGLRenderWindow.getWebgl2())return void et("Using multiple framebuffer attachments requires WebGL 2");o+=n}t.colorBuffers[n]=e,r.framebufferTexture2D(r.FRAMEBUFFER,o,r.TEXTURE_2D,e.getHandle(),0)},e.removeColorBuffer=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;const n=t.context;if(!n)return void et("you must set the OpenGLRenderWindow before calling removeColorBuffer");let r=n.COLOR_ATTACHMENT0;if(e>0){if(!t._openGLRenderWindow.getWebgl2())return void et("Using multiple framebuffer attachments requires WebGL 2");r+=e}n.framebufferTexture2D(n.FRAMEBUFFER,r,n.TEXTURE_2D,null,0),t.colorBuffers=t.colorBuffers.splice(e,1)},e.setDepthBuffer=e=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const n=t.context;n.framebufferTexture2D(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.TEXTURE_2D,e.getHandle(),0)}else et("Attaching depth buffer textures to fbo requires WebGL 2");else et("you must set the OpenGLRenderWindow before calling setDepthBuffer")},e.removeDepthBuffer=()=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const e=t.context;e.framebufferTexture2D(e.FRAMEBUFFER,e.DEPTH_ATTACHMENT,e.TEXTURE_2D,null,0)}else et("Attaching depth buffer textures to framebuffers requires WebGL 2");else et("you must set the OpenGLRenderWindow before calling removeDepthBuffer")},e.getGLFramebuffer=()=>t.glFramebuffer,e.setOpenGLRenderWindow=n=>{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.releaseGraphicsResources=()=>{t.glFramebuffer&&t.context.deleteFramebuffer(t.glFramebuffer)},e.getSize=()=>{const e=[0,0];return null!==t.glFramebuffer&&(e[0]=t.glFramebuffer.width,e[1]=t.glFramebuffer.height),e},e.populateFramebuffer=()=>{if(!t.context)return void et("you must set the OpenGLRenderWindow before calling populateFrameBuffer");e.bind();const n=t.context,r=$d.newInstance();r.setOpenGLRenderWindow(t._openGLRenderWindow),r.setMinificationFilter(Vd.LINEAR),r.setMagnificationFilter(Vd.LINEAR),r.create2DFromRaw(t.glFramebuffer.width,t.glFramebuffer.height,4,ws.UNSIGNED_CHAR,null),e.setColorBuffer(r),t.depthTexture=n.createRenderbuffer(),n.bindRenderbuffer(n.RENDERBUFFER,t.depthTexture),n.renderbufferStorage(n.RENDERBUFFER,n.DEPTH_COMPONENT16,t.glFramebuffer.width,t.glFramebuffer.height),n.framebufferRenderbuffer(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.RENDERBUFFER,t.depthTexture)},e.getColorTexture=()=>t.colorBuffers[0]}const ef={glFramebuffer:null,colorBuffers:null,depthTexture:null,previousDrawBinding:0,previousReadBinding:0,previousDrawBuffer:0,previousReadBuffer:0,previousActiveFramebuffer:null};function tf(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ef,n),yt(e,t),t.colorBuffers&&et("you cannot initialize colorBuffers through the constructor. 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n?n[4*(t*(r[2]-r[0]+1)+e)+3]:0}function mf(e,t,n,r){if(!n)return 0;const o=4*(t*(r[2]-r[0]+1)+e),a=n[o],i=n[o+1];return 256*(256*n[o+2]+i)+a}function hf(e,t){let n=t;return n<<=24,n|=e,n}function vf(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]e.area[2]||t[1]e.area[3])return null;const n=[t[0]-e.area[0],t[1]-e.area[1]],o=mf(n[0],n[1],e.pixBuffer[lf.ACTOR_PASS],e.area);if(o<=0||o-1>=e.props.length)return null;const a={valid:!0};a.propID=o-1,a.prop=e.props[a.propID];let i=mf(n[0],n[1],e.pixBuffer[lf.COMPOSITE_INDEX_PASS],e.area);if((i<0||i>16777215)&&(i=0),a.compositeID=i-1,e.captureZValues){const r=4*(n[1]*(e.area[2]-e.area[0]+1)+n[0]);a.zValue=(256*e.zBuffer[r]+e.zBuffer[r+1])/65535,a.displayPosition=t}if(e.pixBuffer[lf.ID_LOW24]&&0===gf(n[0],n[1],e.pixBuffer[lf.ID_LOW24],e.area))return a;const s=mf(n[0],n[1],e.pixBuffer[lf.ID_LOW24],e.area),l=mf(n[0],n[1],e.pixBuffer[lf.ID_HIGH24],e.area);return a.attributeID=hf(s,l),a}const a=[t[0],t[1]],i=[0,0];let s=vf(e,t,0,r);if(s&&s.valid)return s;for(let t=1;tt?a[1]-t:0;n<=a[1]+t;++n){if(i[1]=n,a[0]>=t&&(i[0]=a[0]-t,s=vf(e,i,0,r),s&&s.valid))return s;if(i[0]=a[0]+t,s=vf(e,i,0,r),s&&s.valid)return s}for(let n=a[0]>=t?a[0]-(t-1):0;n<=a[0]+(t-1);++n){if(i[0]=n,a[1]>=t&&(i[1]=a[1]-t,s=vf(e,i,0,r),s&&s.valid))return s;if(i[1]=a[1]+t,s=vf(e,i,0,r),s&&s.valid)return s}}return r[0]=t[0],r[1]=t[1],null}function yf(e,t,n,r,o){const a=[];let i=0;return t.forEach(((t,s)=>{const l=sf.newInstance();switch(l.setContentType(cf.INDICES),e){case df.FIELD_ASSOCIATION_CELLS:l.setFieldType(uf.CELL);break;case df.FIELD_ASSOCIATION_POINTS:l.setFieldType(uf.POINT);break;default:pf("Unknown field association")}l.getProperties().propID=t.info.propID,l.getProperties().prop=t.info.prop,l.getProperties().compositeID=t.info.compositeID,l.getProperties().attributeID=t.info.attributeID,l.getProperties().pixelCount=t.pixelCount,n&&(l.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],l.getProperties().worldPosition=o.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,r)),l.setSelectionList(t.attributeIDs),a[i]=l,i++})),a}function bf(e,t,n,r,o){const a=Math.floor(t),i=Math.floor(n),s=Math.floor(r),l=Math.floor(o),c=new Map,u=[0,0];for(let t=i;t<=l;t++)for(let n=a;n<=s;n++){const r=vf(e,[n,t],0,u);if(r&&r.valid){const t=ff(r);if(c.has(t)){const n=c.get(t);n.pixelCount++,e.captureZValues&&r.zValue{t.rawPixBuffer=[],t.pixBuffer=[],t.zBuffer=null},e.beginSelection=()=>{t._openGLRenderer=t._openGLRenderWindow.getViewNodeFor(t._renderer),t.maxAttributeId=0;const n=t._openGLRenderWindow.getSize();if(t.framebuffer){t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers();const e=t.framebuffer.getSize();e[0]!==n[0]||e[1]!==n[1]?(t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer()):t.framebuffer.bind()}else t.framebuffer=nf.newInstance(),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer();if(t._openGLRenderer.clear(),t._openGLRenderer.setSelector(e),t.hitProps={},t.propPixels={},t.props=[],e.releasePixBuffers(),t.fieldAssociation===df.FIELD_ASSOCIATION_POINTS){const e=t._openGLRenderWindow.getContext(),n=e.isEnabled(e.BLEND);e.disable(e.BLEND),t._openGLRenderWindow.traverseAllPasses(),n&&e.enable(e.BLEND)}},e.endSelection=()=>{t.hitProps={},t._openGLRenderer.setSelector(null),t.framebuffer.restorePreviousBindingsAndBuffers()},e.preCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending=e.isEnabled(e.BLEND),e.disable(e.BLEND)},e.postCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending&&e.enable(e.BLEND)},e.select=()=>{let n=null;return e.captureBuffers()&&(n=e.generateSelection(t.area[0],t.area[1],t.area[2],t.area[3]),e.releasePixBuffers()),n},e.getSourceDataAsync=async(n,r,o,a,i)=>{if(t._renderer=n,void 0===r){const n=t._openGLRenderWindow.getSize();e.setArea(0,0,n[0]-1,n[1]-1)}else e.setArea(r,o,a,i);if(!e.captureBuffers())return!1;const s={area:[...t.area],pixBuffer:[...t.pixBuffer],captureZValues:t.captureZValues,zBuffer:t.zBuffer,props:[...t.props],fieldAssociation:t.fieldAssociation,renderer:n,openGLRenderWindow:t._openGLRenderWindow,generateSelection:function(){for(var e=arguments.length,t=new Array(e),n=0;n{if(!t._renderer||!t._openGLRenderWindow)return pf("Renderer and view must be set before calling 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e.endSelection(),t._renderer.setBackground(t.originalBackground),e.invokeEvent({type:"EndEvent"}),!0},e.processPixelBuffers=()=>{t.props.forEach(((n,r)=>{e.isPropHit(r)&&n.processSelectorPixelBuffers(e,t.propPixels[r])}))},e.passRequired=e=>{if(e===lf.ID_HIGH24){if(t.fieldAssociation===df.FIELD_ASSOCIATION_POINTS)return t.maximumPointId>16777215;if(t.fieldAssociation===df.FIELD_ASSOCIATION_CELLS)return t.maximumCellId>16777215}return!0},e.savePixelBuffer=n=>{if(t.pixBuffer[n]=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),!t.rawPixBuffer[n]){const e=(t.area[2]-t.area[0]+1)*(t.area[3]-t.area[1]+1)*4;t.rawPixBuffer[n]=new Uint8Array(e),t.rawPixBuffer[n].set(t.pixBuffer[n])}if(n===lf.ACTOR_PASS){if(t.captureZValues){const e=t._openGLRenderWindow.getRenderPasses();if("function"==typeof e[0].requestDepth&&"function"==typeof e[0].getFramebuffer){const n=e[0].getFramebuffer();n.saveCurrentBindingsAndBuffers(),n.bind(),t.zBuffer=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),n.restorePreviousBindingsAndBuffers()}}e.buildPropHitList(t.rawPixBuffer[n])}},e.buildPropHitList=e=>{let n=0;for(let r=0;r<=t.area[3]-t.area[1];r++)for(let o=0;o<=t.area[2]-t.area[0];o++){let a=mf(o,r,e,t.area);a>0&&(a--,a in 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i=mf(e[0],e[1],t.pixBuffer[lf.COMPOSITE_INDEX_PASS],t.area);if((i<0||i>16777215)&&(i=0),a.compositeID=i-1,t.captureZValues){const r=4*(e[1]*(t.area[2]-t.area[0]+1)+e[0]);a.zValue=(256*t.zBuffer[r]+t.zBuffer[r+1])/65535,a.displayPosition=n}if(t.pixBuffer[lf.ID_LOW24]&&0===gf(e[0],e[1],t.pixBuffer[lf.ID_LOW24],t.area))return a;const s=mf(e[0],e[1],t.pixBuffer[lf.ID_LOW24],t.area),l=mf(e[0],e[1],t.pixBuffer[lf.ID_HIGH24],t.area);return a.attributeID=hf(s,l),a}const i=[n[0],n[1]],s=[0,0];let l=e.getPixelInformation(n,0,o);if(l&&l.valid)return l;for(let t=1;tt?i[1]-t:0;n<=i[1]+t;++n){if(s[1]=n,i[0]>=t&&(s[0]=i[0]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[0]=i[0]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}for(let n=i[0]>=t?i[0]-(t-1):0;n<=i[0]+(t-1);++n){if(s[0]=n,i[1]>=t&&(s[1]=i[1]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[1]=i[1]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}}return 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x=n[r],T=n[r+1],C=n[r+2],S=n[r+3];e[0]=x*o+T*l+C*p+S*h,e[1]=x*a+T*c+C*f+S*v,e[2]=x*i+T*u+C*g+S*y,e[3]=x*s+T*d+C*m+S*b,x=n[r+4],T=n[r+5],C=n[r+6],S=n[r+7],e[4]=x*o+T*l+C*p+S*h,e[5]=x*a+T*c+C*f+S*v,e[6]=x*i+T*u+C*g+S*y,e[7]=x*s+T*d+C*m+S*b,x=n[r+8],T=n[r+9],C=n[r+10],S=n[r+11],e[8]=x*o+T*l+C*p+S*h,e[9]=x*a+T*c+C*f+S*v,e[10]=x*i+T*u+C*g+S*y,e[11]=x*s+T*d+C*m+S*b,x=n[r+12],T=n[r+13],C=n[r+14],S=n[r+15],e[12]=x*o+T*l+C*p+S*h,e[13]=x*a+T*c+C*f+S*v,e[14]=x*i+T*u+C*g+S*y,e[15]=x*s+T*d+C*m+S*b},e.replaceShaderNormal=(e,r,o)=>{if(t.hardwareSupport&&t.lastBoundBO.getReferenceByName("lastLightComplexity")>0){let n=e.Vertex;t.lastBoundBO.getCABO().getNormalOffset()&&(n=xd.substitute(n,"//VTK::Normal::Dec",["attribute vec3 normalMC;","attribute mat3 gNormal;","uniform mat3 normalMatrix;","varying vec3 normalVCVSOutput;"]).result,n=xd.substitute(n,"//VTK::Normal::Impl",["normalVCVSOutput = normalMatrix * gNormal * 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MCVCMatrix;"]).result):(n=xd.substitute(n,"//VTK::Camera::Dec",["attribute mat4 gMatrix;","uniform mat4 MCPCMatrix;"]).result,n=xd.substitute(n,"//VTK::PositionVC::Impl",["vec4 gVertexMC = gMatrix * vertexMC;"," gl_Position = MCPCMatrix * gVertexMC;"]).result),e.Vertex=n}n.replaceShaderPositionVC(e,r,o)},e.replaceShaderPicking=(e,r,o)=>{if(t.hardwareSupport){let t=e.Fragment,n=e.Vertex;n=xd.substitute(n,"//VTK::Picking::Dec",["attribute vec3 mapperIndexVS;","varying vec3 mapperIndexVSOutput;"]).result,n=xd.substitute(n,"//VTK::Picking::Impl"," mapperIndexVSOutput = mapperIndexVS;").result,e.Vertex=n,t=xd.substitute(t,"//VTK::Picking::Dec",["varying vec3 mapperIndexVSOutput;","uniform vec3 mapperIndex;","uniform int picking;"]).result,t=xd.substitute(t,"//VTK::Picking::Impl",[" vec4 pickColor = picking == 2 ? vec4(mapperIndexVSOutput,1.0) : vec4(mapperIndex,1.0);"," gl_FragData[0] = picking != 0 ? pickColor : gl_FragData[0];"]).result,e.Fragment=t}else n.replaceShaderPicking(e,r,o)},e.updateGlyphShaderParameters=(n,r,o,a,i,s,l,c)=>{const u=o.getProgram();if(n){const e=t.normalMatrix,n=s,r=9*l,o=t.tmpMat3,a=e[0],i=e[1],c=e[2],d=e[3],p=e[4],f=e[5],g=e[6],m=e[7],h=e[8],v=n[r],y=n[r+1],b=n[r+2],x=n[r+3],T=n[r+4],C=n[r+5],S=n[r+6],A=n[r+7],P=n[r+8];o[0]=v*a+y*d+b*g,o[1]=v*i+y*p+b*m,o[2]=v*c+y*f+b*h,o[3]=x*a+T*d+C*g,o[4]=x*i+T*p+C*m,o[5]=x*c+T*f+C*h,o[6]=S*a+A*d+P*g,o[7]=S*i+A*p+P*m,o[8]=S*c+A*f+P*h,u.setUniformMatrix3x3("normalMatrix",t.tmpMat3)}if(e.multiply4x4WithOffset(t.tmpMat4,t.mcpcMatrix,i,16*l),u.setUniformMatrix("MCPCMatrix",t.tmpMat4),r&&(e.multiply4x4WithOffset(t.tmpMat4,t.mcvcMatrix,i,16*l),u.setUniformMatrix("MCVCMatrix",t.tmpMat4)),a){const e=a.getData();t.tmpColor[0]=e[4*l]/255,t.tmpColor[1]=e[4*l+1]/255,t.tmpColor[2]=e[4*l+2]/255,u.setUniform3fArray("ambientColorUniform",t.tmpColor),u.setUniform3fArray("diffuseColorUniform",t.tmpColor)}c&&u.setUniform3fArray("mapperIndex",c.getPropColorValue())},e.renderPieceDraw=(n,r)=>{const o=r.getProperty().getRepresentation(),a=t.context,i=r.getProperty().getEdgeVisibility()&&o===Pf.SURFACE,s=t.openGLCamera.getKeyMatrices(n),l=t.openGLActor.getKeyMatrices();ve(t.normalMatrix,s.normalMatrix,l.normalMatrix),b(t.mcpcMatrix,s.wcpc,l.mcwc),b(t.mcvcMatrix,s.wcvc,l.mcwc);const c=t.renderable.getMatrixArray(),u=t.renderable.getNormalArray(),d=t.renderable.getColorArray(),p=c.length/16;let f=!1;t._openGLRenderer.getSelector()&&t._openGLRenderer.getSelector().getCurrentPass()===wf.COMPOSITE_INDEX_PASS&&(f=!0);for(let s=t.primTypes.Start;s{if(e.getCABO().getElementCount()&&(t.glyphBOBuildTime.getMTime()>e.getAttributeUpdateTime().getMTime()||e.getShaderSourceTime().getMTime()>e.getAttributeUpdateTime().getMTime()))return e.getProgram().isAttributeUsed("gMatrix")?e.getVAO().addAttributeMatrixWithDivisor(e.getProgram(),t.matrixBuffer,"gMatrix",0,64,t.context.FLOAT,4,!1,1)||Af("Error setting gMatrix in shader VAO."):e.getVAO().removeAttributeArray("gMatrix"),e.getProgram().isAttributeUsed("gNormal")?e.getVAO().addAttributeMatrixWithDivisor(e.getProgram(),t.normalBuffer,"gNormal",0,36,t.context.FLOAT,3,!1,1)||Af("Error setting gNormal in shader VAO."):e.getVAO().removeAttributeArray("gNormal"),e.getProgram().isAttributeUsed("gColor")?e.getVAO().addAttributeArrayWithDivisor(e.getProgram(),t.colorBuffer,"gColor",0,4,t.context.UNSIGNED_BYTE,4,!0,1,!1)||Af("Error setting gColor in shader 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e=t.renderable.getMatrixArray(),n=t.renderable.getNormalArray(),r=t.renderable.getColorArray();if(t.matrixBuffer||(t.matrixBuffer=ad.newInstance(),t.matrixBuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.normalBuffer=ad.newInstance(),t.normalBuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorBuffer=ad.newInstance(),t.colorBuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.pickBuffer=ad.newInstance(),t.pickBuffer.setOpenGLRenderWindow(t._openGLRenderWindow)),t.renderable.getBuildTime().getMTime()>t.glyphBOBuildTime.getMTime()){t.matrixBuffer.upload(e,If.ARRAY_BUFFER),t.normalBuffer.upload(n,If.ARRAY_BUFFER),r?t.colorBuffer.upload(r.getData(),If.ARRAY_BUFFER):t.colorBuffer.releaseGraphicsResources();const o=e.length/16,a=new Uint8Array(4*o);for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Vf,n),fp.extend(e,t,n),t.tmpMat3=pe(new Float64Array(9)),t.normalMatrix=pe(new Float64Array(9)),t.mcpcMatrix=g(new Float64Array(16)),t.mcvcMatrix=g(new Float64Array(16)),t.tmpColor=[],t.glyphBOBuildTime={},yt(t.glyphBOBuildTime,{mtime:0}),Rf(e,t)}),"vtkOpenGLGlyph3DMapper");rn("vtkGlyph3DMapper",Ef);const{vtkErrorMacro:Df}=jt;class Lf{constructor(){this.segmentMapping={},this.segments=[null],this.faces=[]}addSegment(e){const t=e[0],n=e[e.length-1];if(t===n||e.length<2)return;const r=this.segmentMapping[t],o=this.segmentMapping[n];if(void 0!==r&&void 0!==o)if(Math.abs(r)===Math.abs(o)){const a=r0)for(let t=1;t0){const t=this.segments[r];for(let n=1;n0){const n=this.segments[o];for(let t=1;t{const n=e[0];if(!n)return void Df("Invalid or missing input");const r=Pu.newInstance();r.shallowCopy(n);const o=new Lf,a=n.getLines().getData();let i=0;for(;i2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Nf,n),jt.obj(e,t),jt.algo(e,t,1,1),Bf(e,t)}var Ff={newInstance:jt.newInstance(kf,"vtkClosedPolyLineToSurfaceFilter"),extend:kf};const{vtkErrorMacro:_f}=Kt;function Gf(e,t){t.classHierarchy.push("vtkCutter");const n={...e};e.getMTime=()=>{let e=n.getMTime();return t.cutFunction?(e=Math.max(e,t.cutFunction.getMTime()),e):e},e.requestData=(e,n)=>{const r=e[0];if(!r)return void _f("Invalid or missing input");if(!t.cutFunction)return void _f("Missing cut function");const o=Pu.newInstance();(function(e,n){const r=e.getPoints(),o=r.getData(),a=r.getNumberOfPoints(),i=[],s=[],l=[];(!t.cutScalars||t.cutScalars.length0;let r=!0;for(let t=1;t0!==e){r=!1;break}if(r)continue;const a=[];for(let e=0;e0;if(g[r]>0===i)continue;let s=e,l=r,c=g[l]-g[s];c<=0&&(s=r,l=e,c*=-1);let u=0;0!==c&&(u=(t.cutValue-g[s])/c);const d=n.cell[s],m=n.cell[l];p[0]=o[3*d],p[1]=o[3*d+1],p[2]=o[3*d+2],f[0]=o[3*m],f[1]=o[3*m+1],f[2]=o[3*m+2];const h=[p[0]+u*(f[0]-p[0]),p[1]+u*(f[1]-p[1]),p[2]+u*(f[2]-p[2])];a.push({pointEdge1:d,pointEdge2:m,intersectedPoint:h,newPointID:-1})}for(let e=0;e2&&(l.push(c),a.forEach((e=>{l.push(e.newPointID)})))}n.getPoints().setData(it(r.getDataType(),i),3),0!==s.length&&n.getLines().setData(Uint16Array.from(s)),0!==l.length&&n.getPolys().setData(Uint16Array.from(l))})(r,o),n[0]=o}}const Uf={cutFunction:null,cutScalars:null,cutValue:0};function Wf(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Uf,n),yt(e,t),Mt(e,t,1,1),At(e,t,["cutFunction","cutValue"]),Gf(e,t)}var zf={newInstance:Et(Wf,"vtkCutter"),extend:Wf};const Hf=e=>e,jf=1e-6;class Kf{constructor(){let e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this.matrix=g(new Float64Array(16)),this.tmp=new Float64Array(3),this.angleConv=e?l:Hf}rotateFromDirections(e,t){const n=new Float64Array(3),r=new Float64Array(3),o=new Float64Array(16);Pn(n,e[0],e[1],e[2]),Pn(r,t[0],t[1],t[2]),Vn(n,n),Vn(r,r);const a=En(n,r);return a>=1||(Dn(this.tmp,n,r),Sn(this.tmp)1&&void 0!==arguments[1]?arguments[1]:0,n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:-1;if(ua(To,this.matrix))return this;const r=-1===n?e.length:t+3*n;for(let n=t;n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Qf,n),jt.obj(e,t),jt.setGet(e,t,["xLength","yLength","zLength","generate3DTextureCoordinates","generateFaces","generateLines"]),jt.setGetArray(e,t,["center","rotations"],3),jt.setGetArray(e,t,["matrix"],16),t._polys=xc.newInstance({values:Uint16Array.from(Yf)}),t._lineCells=xc.newInstance({values:Uint16Array.from(Xf)}),jt.moveToProtected(e,t,["polys","lineCells"]),jt.algo(e,t,0,1),Zf(e,t)}var eg={newInstance:jt.newInstance(Jf,"vtkCubeSource"),extend:Jf};const{vtkErrorMacro:tg}=jt;function ng(e,t){t.classHierarchy.push("vtkImageDataOutlineFilter");const n={...e};e.requestData=(e,n)=>{const r=e[0];if(!r||!r.isA("vtkImageData"))return void tg("Invalid or missing input");const o=r.getSpatialExtent();o?(t._cubeSource.setBounds(o),t._cubeSource.setMatrix(r.getIndexToWorld()),n[0]=t._cubeSource.getOutputData()):tg("Unable to fetch spatial extents of input image.")},e.getMTime=()=>Math.max(n.getMTime(),t._cubeSource.getMTime()),e.setGenerateFaces=t._cubeSource.setGenerateFaces,e.setGenerateLines=t._cubeSource.setGenerateLines,e.getGenerateFaces=t._cubeSource.getGenerateFaces,e.getGenerateLines=t._cubeSource.getGenerateLines}const rg={};function og(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,rg,n),jt.obj(e,t),jt.algo(e,t,1,1),t._cubeSource=eg.newInstance(),jt.moveToProtected(e,t,["cubeSource","tmpOut"]),ng(e,t)}var ag={newInstance:jt.newInstance(og,"vtkImageDataOutlineFilter"),extend:og};let ig;function sg(e,t){t.classHierarchy.push("vtkAbstractTransform","vtkHomogeneousTransform","vtkTransform"),e.transformPoint=(e,n)=>(Ln(n,e,t.matrix),n),e.transformPoints=(e,n)=>{const r=new Float64Array(3),o=new Float64Array(3);for(let a=0;a{e.setPreMultiplyFlag(!0)},e.postMultiply=()=>{e.setPreMultiplyFlag(!1)},e.transformMatrix=(e,n)=>(t.preMultiplyFlag?b(n,t.matrix,e):b(n,e,t.matrix),n),e.transformMatrices=(e,n)=>{const r=new Float64Array(16),o=new Float64Array(16),a=t.preMultiplyFlag?()=>b(o,t.matrix,r):()=>b(o,r,t.matrix);for(let t=0;tig({matrix:za.invertMatrix(Array.from(t.matrix),[],4),preMultiplyFlag:t.preMultiplyFlag})}const lg={preMultiplyFlag:!1,matrix:[...To]};function cg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,lg,n),jt.obj(e,t),jt.setGet(e,t,["preMultiplyFlag"]),jt.setGetArray(e,t,["matrix"],16),sg(e,t)}ig=jt.newInstance(cg,"vtkTransform");var ug={newInstance:ig,extend:cg};const dg={NEAREST:0,LINEAR:1};var pg={InterpolationType:dg};const{vtkErrorMacro:fg}=Kt;function gg(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function mg(e,t,n){return t.identity(n),e.reduce(((e,n,r)=>0===r?n?t.copy(e,n):t.identity(e):n?t.multiply(e,e,n):e),n)}function hg(e,t){t.classHierarchy.push("vtkOpenGLImageResliceMapper"),e.buildPass=n=>{if(n){t.currentRenderPass=null,t._openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const n=t._openGLRenderer.getRenderable();t._openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera()),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow)}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t._openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getInputData(),t.currentInput?(e.updateResliceGeometry(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r),e.invokeEvent({type:"EndEvent"})):fg("No input!")},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),r.getProperty().getInterpolationType()===dg.NEAREST?(t.openGLTexture.setMinificationFilter(Vd.NEAREST),t.openGLTexture.setMagnificationFilter(Vd.NEAREST),t.colorTexture.setMinificationFilter(Vd.NEAREST),t.colorTexture.setMagnificationFilter(Vd.NEAREST),t.pwfTexture.setMinificationFilter(Vd.NEAREST),t.pwfTexture.setMagnificationFilter(Vd.NEAREST)):(t.openGLTexture.setMinificationFilter(Vd.LINEAR),t.openGLTexture.setMagnificationFilter(Vd.LINEAR),t.colorTexture.setMinificationFilter(Vd.LINEAR),t.colorTexture.setMagnificationFilter(Vd.LINEAR),t.pwfTexture.setMinificationFilter(Vd.LINEAR),t.pwfTexture.setMagnificationFilter(Vd.LINEAR)),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const r=t.currentInput;if(!r)return;const o=r.getPointData()?.getScalars();if(!o)return;t._scalars!==o&&(t._openGLRenderWindow.releaseGraphicsResourcesForObject(t._scalars),t._scalars=o);const a=o.getNumberOfComponents();let i=`${r.getMTime()}A${o.getMTime()}`;const s=t._openGLRenderWindow.getGraphicsResourceForObject(o);if(s?.vtkObj&&s?.hash===i&&t.openGLTextureString===i)t.openGLTexture=s.vtkObj,t.openGLTextureString=s.hash;else{t.openGLTexture||(t.openGLTexture=$d.newInstance(),t.openGLTexture.setOpenGLRenderWindow(t._openGLRenderWindow));const e=r.getDimensions();t.openGLTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.openGLTexture.releaseGraphicsResources(t._openGLRenderWindow),t.openGLTexture.resetFormatAndType(),t.openGLTexture.create3DFilterableFromDataArray(e[0],e[1],e[2],o),t.openGLTextureString=i,o&&t._openGLRenderWindow.setGraphicsResourceForObject(o,t.openGLTexture,t.openGLTextureString)}const l=n.getProperty(),c=l.getIndependentComponents(),u=c?a:1,d=c?2*u:1,p=l.getRGBTransferFunction();i=gg(l,p,u);const f=t._openGLRenderWindow.getGraphicsResourceForObject(p);if(f?.vtkObj&&f?.hash===i&&t.colorTextureString===i)t.colorTexture=f.vtkObj,t.colorTextureString=f.hash;else{const e=1024,n=new Uint8Array(e*d*3);if(t.colorTexture||(t.colorTexture=$d.newInstance(),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow)),p){const r=new Float32Array(3*e);for(let t=0;t0){const e=t.resliceGeom.getPointData().getNormals();e?r.normals=e:fg("Slab mode requested without normals")}t.tris.getCABO().createVBO(n,"polys",ps.SURFACE,r)}t.VBOBuildString=h,t.VBOBuildTime.modified()},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(a,r,o);const i=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==n.getProgram()&&(n.setProgram(i),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const a=n.getProgram();if(n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())){a.isUniformUsed("texture1")&&a.setUniformi("texture1",t.openGLTexture.getTextureUnit()),a.isAttributeUsed("vertexWC")&&(n.getVAO().addAttributeArray(a,n.getCABO(),"vertexWC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||fg("Error setting vertexWC in shader VAO.")),a.isAttributeUsed("normalWC")&&(n.getVAO().addAttributeArray(a,n.getCABO(),"normalWC",n.getCABO().getNormalOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||fg("Error setting normalWC in shader VAO.")),a.isUniformUsed("slabThickness")&&a.setUniformf("slabThickness",t.renderable.getSlabThickness()),a.isUniformUsed("spacing")&&a.setUniform3fv("spacing",t.currentInput.getSpacing()),a.isUniformUsed("slabType")&&a.setUniformi("slabType",t.renderable.getSlabType()),a.isUniformUsed("slabType")&&a.setUniformi("slabType",t.renderable.getSlabType()),a.isUniformUsed("slabTrapezoid")&&a.setUniformi("slabTrapezoid",t.renderable.getSlabTrapezoidIntegration());const e=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null;if(a.isUniformUsed("WCTCMatrix")){const n=t.currentInput,r=n.getDimensions();d(t.tmpMat4,n.getIndexToWorld()),T(t.tmpMat4,t.tmpMat4,r),h(t.tmpMat4,t.tmpMat4),e&&b(t.tmpMat4,t.tmpMat4,e),a.setUniformMatrix("WCTCMatrix",t.tmpMat4)}a.isUniformUsed("vboScaling")&&a.setUniform3fv("vboScaling",n.getCABO().getCoordScale()),n.getAttributeUpdateTime().modified()}if(t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),n.getProgram().isUniformUsed("coffset")){const t=e.getCoincidentParameters(r,o);n.getProgram().setUniformf("coffset",t.offset),n.getProgram().isUniformUsed("cfactor")&&n.getProgram().setUniformf("cfactor",t.factor)}},e.setCameraShaderParameters=(e,n,o)=>{const a=t._openGLCamera.getKeyMatrices(n),i=t._openGLImageSlice.getKeyMatrices(),s=e.getCABO().getCoordShiftAndScaleEnabled()?e.getCABO().getInverseShiftAndScaleMatrix():null,l=e.getProgram();l.isUniformUsed("MCPCMatrix")&&(g(t.tmpMat4),l.setUniformMatrix("MCPCMatrix",mg([a.wcpc,i.mcwc,s],r,t.tmpMat4))),l.isUniformUsed("MCVCMatrix")&&(g(t.tmpMat4),l.setUniformMatrix("MCVCMatrix",mg([a.wcvc,i.mcwc,s],r,t.tmpMat4)))},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),a=r.getProperty(),i=a.getOpacity();o.setUniformf("opacity",i);const s=t.openGLTexture.getComponents(),l=a.getIndependentComponents();if(l)for(let e=0;e{const o=t.openGLTexture.getComponents(),a=r.getProperty().getIndependentComponents(),i=t.renderable.getSlabThickness(),s=t.renderable.getSlabType(),l=t.renderable.getSlabTrapezoidIntegration();let c=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(c=!0),!(!c&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&0!==e.getProgram()?.getHandle()&&t.lastTextureComponents===o&&t.lastIndependentComponents===a&&t.lastSlabThickness===i&&t.lastSlabType===s&&t.lastSlabTrapezoidIntegration===l||(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=a,t.lastSlabThickness=i,t.lastSlabType=s,t.lastSlabTrapezoidIntegration=l,0))},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkImageResliceMapperVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\n// all variables that represent positions or directions have a suffix\n// indicating the coordinate system they are in. The possible values are\n// MC - Model coordinates\n// WC - World coordinates\n// VC - View coordinates\n// DC - Display coordinates\n// TC - Texture coordinates\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\nvoid main()\n{\n //VTK::PositionVC::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Picking::Impl\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkImageResliceMapperFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the gpu image mapper fragment shader\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n // VC position of this fragment. This should not branch/return/discard.\n //VTK::PositionVC::Impl\n\n // Place any calls that require uniform flow (e.g. dFdx) here.\n //VTK::UniformFlow::Impl\n\n // Set gl_FragDepth here (gl_FragCoord.z by default)\n //VTK::Depth::Impl\n\n // Early depth peeling abort:\n //VTK::DepthPeeling::PreColor\n\n //VTK::TCoord::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n\n //VTK::DepthPeeling::Impl\n\n //VTK::Picking::Impl\n\n // handle coincident offsets\n //VTK::Coincident::Impl\n\n //VTK::ZBuffer::Impl\n\n //VTK::RenderPassFragmentShader::Impl\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{if(e.replaceShaderTCoord(n,r,o),e.replaceShaderPositionVC(n,r,o),t.haveSeenDepthRequest){let e=n.Fragment;e=xd.substitute(e,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,e=xd.substitute(e,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result,n.Fragment=e}e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderTCoord=(e,n,r)=>{let o=e.Vertex;const a=e.Geometry;let i=e.Fragment;const s=t.renderable.getSlabThickness();o=xd.substitute(o,"//VTK::TCoord::Dec",["uniform mat4 WCTCMatrix;","out vec3 fragTexCoord;"]).result,o=xd.substitute(o,"//VTK::TCoord::Impl",["fragTexCoord = (WCTCMatrix * vertexWC).xyz;"]).result;const l=t.openGLTexture.getComponents(),c=r.getProperty().getIndependentComponents();let u=["in vec3 fragTexCoord;","uniform highp sampler3D texture1;","uniform mat4 WCTCMatrix;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;"];if(c){for(let e=1;e0&&(u=u.concat(["uniform vec3 spacing;","uniform float slabThickness;","uniform int slabType;","uniform int slabTrapezoid;","uniform vec3 vboScaling;"]),u=u.concat(["vec4 compositeValue(vec4 currVal, vec4 valToComp, int trapezoid)","{"," vec4 retVal = vec4(1.0);"," if (slabType == 0) // min"," {"," retVal = min(currVal, valToComp);"," }"," else if (slabType == 1) // max"," {"," retVal = max(currVal, valToComp);"," }"," else if (slabType == 3) // sum"," {"," retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); "," }"," else // mean"," {"," retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); "," }"," return retVal;","}"])),i=xd.substitute(i,"//VTK::TCoord::Dec",u).result;let d=["if (any(greaterThan(fragTexCoord, vec3(1.0))) || any(lessThan(fragTexCoord, vec3(0.0))))","{"," // set the background color and exit"," gl_FragData[0] = backgroundColor;"," return;","}","vec4 tvalue = texture(texture1, fragTexCoord);"];if(s>0&&(d=d.concat(["// Get the first and last samples","int numSlices = 1;","float scaling = min(min(spacing.x, spacing.y), spacing.z) * 0.5;","vec3 normalxspacing = scaling * normalWCVSOutput;","float distTraveled = length(normalxspacing);","int trapezoid = 0;","while (distTraveled < slabThickness * 0.5)","{"," distTraveled += length(normalxspacing);"," float fnumSlices = float(numSlices);"," if (distTraveled > slabThickness * 0.5)"," {"," // Before stepping outside the slab, sample at the boundaries"," normalxspacing = normalWCVSOutput * slabThickness * 0.5 / fnumSlices;"," trapezoid = slabTrapezoid;"," }"," vec3 fragTCoordNeg = (WCTCMatrix * vec4(vertexWCVSOutput.xyz - fnumSlices * normalxspacing * vboScaling, 1.0)).xyz;"," if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))"," {"," vec4 newVal = texture(texture1, fragTCoordNeg);"," tvalue = compositeValue(tvalue, newVal, trapezoid);"," numSlices += 1;"," }"," vec3 fragTCoordPos = (WCTCMatrix * vec4(vertexWCVSOutput.xyz + fnumSlices * normalxspacing * vboScaling, 1.0)).xyz;"," if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))"," {"," vec4 newVal = texture(texture1, fragTCoordPos);"," tvalue = compositeValue(tvalue, newVal, trapezoid);"," numSlices += 1;"," }","}","// Finally, if slab type is *mean*, divide the sum by the numSlices","if (slabType == 2)","{"," tvalue = tvalue / float(numSlices);","}"])),c){const e=["r","g","b","a"];for(let t=0;t{let a=n.Vertex;const i=n.Geometry;let s=n.Fragment;const l=t.renderable.getSlabThickness();let c=["attribute vec4 vertexWC;"];c=c.concat([`//${e.getMTime()}${t.resliceGeomUpdateString}`]),l>0&&(c=c.concat(["attribute vec3 normalWC;","varying vec3 normalWCVSOutput;","varying vec4 vertexWCVSOutput;"])),a=xd.substitute(a,"//VTK::PositionVC::Dec",c).result;let u=["gl_Position = MCPCMatrix * vertexWC;"];l>0&&(u=u.concat(["normalWCVSOutput = normalWC;","vertexWCVSOutput = vertexWC;"])),a=xd.substitute(a,"//VTK::PositionVC::Impl",u).result,a=xd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;","uniform mat4 MCVCMatrix;"]).result;let d=[];l>0&&(d=d.concat(["varying vec3 normalWCVSOutput;","varying vec4 vertexWCVSOutput;"])),s=xd.substitute(s,"//VTK::PositionVC::Dec",d).result,n.Vertex=a,n.Geometry=i,n.Fragment=s},e.updateResliceGeometry=()=>{let e="";const n=t.currentInput,r=n?.getBounds();let o=!0,a=2;const i=t.renderable.getSlicePolyData(),s=t.renderable.getSlicePlane();if(i)e=e.concat(`PolyData${i.getMTime()}`);else if(s){e=e.concat(`Plane${s.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`));const t=ue(n?.getDirection());ge(t,t);const r=[...s.getNormal()];Bn(r,r,t),[o,a]=function(e){za.normalize(e);const t=[0,0,0];for(let r=0;r<3;++r){(n=t)[0]=0,n[1]=0,n[2]=0,t[r]=1;const o=za.dot(e,t);if(o<-.999||o>.999)return[!0,r]}var n;return[!1,2]}(r)}else{const o=ri.newInstance();o.setNormal(0,0,1);let a=[0,1,0,1,0,1];n&&(a=r),o.setOrigin(a[0],a[2],.5*(a[5]+a[4])),t.renderable.setSlicePlane(o),e=e.concat(`Plane${s?.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`))}if(!t.resliceGeom||t.resliceGeomUpdateString!==e){if(i)t.resliceGeom||(t.resliceGeom=Pu.newInstance()),t.resliceGeom.getPoints().setData(i.getPoints().getData(),3),t.resliceGeom.getPolys().setData(i.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(i.getPointData().getNormals());else if(s)if(o){const e=new Float32Array(12),r=n.worldToIndex(s.getOrigin(),[0,0,0]),o=[(a+1)%3,(a+2)%3].sort(),i=n.getDimensions(),l=[0,i[0]-1,0,i[1]-1,0,i[2]-1];let c=0;for(let t=0;t<2;++t)for(let n=0;n<2;++n)e[c+a]=r[a],e[c+o[0]]=l[2*o[0]+n],e[c+o[1]]=l[2*o[1]+t],c+=3;t.transform.setMatrix(n.getIndexToWorld()),t.transform.transformPoints(e,e);const u=new Uint16Array(8);u[0]=3,u[1]=0,u[2]=1,u[3]=3,u[4]=3,u[5]=0,u[6]=3,u[7]=2;const d=s.getNormal();za.normalize(d);const p=new Float32Array(12);for(let e=0;e<4;++e)p[3*e]=d[0],p[3*e+1]=d[1],p[3*e+2]=d[2];t.resliceGeom||(t.resliceGeom=Pu.newInstance()),t.resliceGeom.getPoints().setData(e,3),t.resliceGeom.getPolys().setData(u,1);const f=Us.newInstance({numberOfComponents:3,values:p,name:"Normals"});t.resliceGeom.getPointData().setNormals(f)}else{t.outlineFilter.setInputData(n),t.cutter.setInputConnection(t.outlineFilter.getOutputPort()),t.cutter.setCutFunction(s),t.lineToSurfaceFilter.setInputConnection(t.cutter.getOutputPort()),t.lineToSurfaceFilter.update(),t.resliceGeom||(t.resliceGeom=Pu.newInstance());const e=t.lineToSurfaceFilter.getOutputData();t.resliceGeom.getPoints().setData(e.getPoints().getData(),3),t.resliceGeom.getPolys().setData(e.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(e.getPointData().getNormals());const r=s.getNormal(),o=t.resliceGeom.getNumberOfPoints();za.normalize(r);const a=new Float32Array(3*o);for(let e=0;e{e&&(t.openGLTexture=e,t._externalOpenGLTexture=!0)}}const vg={VBOBuildTime:{},VBOBuildString:null,haveSeenDepthRequest:!1,lastHaveSeenDepthRequest:!1,lastIndependentComponents:!1,lastTextureComponents:0,lastSlabThickness:0,lastSlabTrapezoidIntegration:0,lastSlabType:-1,openGLTexture:null,openGLTextureString:null,colorTextureString:null,pwfTextureString:null,resliceGeom:null,resliceGeomUpdateString:null,tris:null,colorTexture:null,pwfTexture:null,_externalOpenGLTexture:!1,_scalars:null};const yg=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,vg,n),Zt.extend(e,t,n),Yd(e,t,n),Zd(e,t,n),t.tris=Md.newInstance(),t.openGLTexture=null,t.colorTexture=null,t.pwfTexture=null,t.VBOBuildTime={},yt(t.VBOBuildTime),t.tmpMat4=g(new Float64Array(16)),t.outlineFilter=ag.newInstance(),t.outlineFilter.setGenerateFaces(!0),t.outlineFilter.setGenerateLines(!1),t.cubePolyData=Pu.newInstance(),t.cutter=zf.newInstance(),t.lineToSurfaceFilter=Ff.newInstance(),t.transform=ug.newInstance(),xt(e,t,["openGLTexture"]),hg(e,t)}),"vtkOpenGLImageResliceMapper");rn("vtkImageResliceMapper",yg);var bg={SlicingMode:{NONE:-1,I:0,J:1,K:2,X:3,Y:4,Z:5}};const{vtkErrorMacro:xg}=Kt,{SlicingMode:Tg}=bg;function Cg(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function Sg(e){const t=e.split("\n"),n=[];for(let e=0;e0&&n.push(r)}return n}function Ag(e,t){t.classHierarchy.push("vtkOpenGLImageMapper"),e.buildPass=n=>{if(n){t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow);const n=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera()),t.renderable.isA("vtkImageMapper")&&t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(n.getActiveCamera())}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.getShaderTemplate=(e,t,n)=>{e.Vertex=qd,e.Fragment=Xd,e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let a=n.Vertex,i=n.Fragment;a=xd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,a=xd.substitute(a,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result,a=xd.substitute(a,"//VTK::TCoord::Impl","tcoordVCVSOutput = tcoordMC;").result,a=xd.substitute(a,"//VTK::TCoord::Dec","attribute vec2 tcoordMC; varying vec2 tcoordVCVSOutput;").result;const s=t.openGLTexture.getComponents(),l=o.getProperty().getIndependentComponents();let c=["varying vec2 tcoordVCVSOutput;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D texture1;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform sampler2D labelOutlineTexture1;","uniform float opacity;","uniform float outlineOpacity;"];if(l){for(let e=1;e 0.01) {\n for (int i = -actualThickness; i <= actualThickness; i++) {\n for (int j = -actualThickness; j <= actualThickness; j++) {\n if (i == 0 || j == 0) {\n continue;\n }\n vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n gl_FragCoord.y + float(j),\n gl_FragCoord.z, gl_FragCoord.w);\n vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n float value = texture2D(texture1, neighborPosIS.xy).r;\n if (value != centerValue) {\n pixelOnBorder = true;\n break;\n }\n }\n if (pixelOnBorder == true) {\n break;\n }\n }\n if (pixelOnBorder == true) {\n gl_FragData[0] = vec4(tColor, outlineOpacity);\n }\n else {\n gl_FragData[0] = vec4(tColor, opacityToUse);\n }\n }\n #else\n float intensity = texture2D(texture1, tcoordVCVSOutput).r;\n vec3 tcolor = texture2D(colorTexture1, vec2(intensity * cscale0 + cshift0, 0.5)).rgb;\n float scalarOpacity = texture2D(pwfTexture1, vec2(intensity * pwfscale0 + pwfshift0, 0.5)).r;\n gl_FragData[0] = vec4(tcolor, scalarOpacity * opacity);\n #endif\n ")]).result;break;case 2:i=xd.substitute(i,"//VTK::TCoord::Impl",["vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);","float intensity = tcolor.r*cscale0 + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(intensity, 0.5)).rgb, pwfscale0*tcolor.g + pwfshift0);"]).result;break;case 3:i=xd.substitute(i,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, opacity);"]).result;break;default:i=xd.substitute(i,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, tcolor.a);"]).result}t.haveSeenDepthRequest&&(i=xd.substitute(i,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,i=xd.substitute(i,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),n.Vertex=a,n.Fragment=i,e.replaceShaderClip(n,r,o),e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderClip=(e,n,r)=>{let o=e.Vertex,a=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(et("OpenGL has a limit of 6 clipping planes"),e=6),o=xd.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=xd.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,a=xd.substitute(a,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,a=xd.substitute(a,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=a},e.getNeedToRebuildShaders=(e,n,r)=>{const o=t.openGLTexture.getComponents(),a=r.getProperty().getIndependentComponents();let i=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(i=!0),!(!i&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&0!==e.getProgram()?.getHandle()&&t.lastTextureComponents===o&&t.lastIndependentComponents===a||(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=a,0))},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(a,r,o);const i=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==n.getProgram()&&(n.setProgram(i),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||xg("Error setting vertexMC in shader VAO.")),n.getProgram().isAttributeUsed("tcoordMC")&&n.getCABO().getTCoordOffset()&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"tcoordMC",n.getCABO().getTCoordOffset(),n.getCABO().getStride(),t.context.FLOAT,n.getCABO().getTCoordComponents(),t.context.FALSE)||xg("Error setting tcoordMC in shader VAO.")),n.getAttributeUpdateTime().modified());const a=t.openGLTexture.getTextureUnit();n.getProgram().setUniformi("texture1",a);const i=t.openGLTexture.getComponents(),s=o.getProperty().getIndependentComponents();if(s)for(let e=0;e6&&(et("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,a=r?d(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(m(a,a),b(a,a,r),m(a,a)),m(t.imagemat,t.currentInput.getIndexToWorld()),b(t.imagematinv,a,t.imagemat);const i=[];for(let n=0;n{const a=n.getProgram(),i=t.openGLImageSlice.getKeyMatrices(),s=t.currentInput,l=s.getIndexToWorld();b(t.imagemat,i.mcwc,l);const c=t.openGLCamera.getKeyMatrices(r);if(b(t.imagemat,c.wcpc,t.imagemat),n.getCABO().getCoordShiftAndScaleEnabled()){const e=n.getCABO().getInverseShiftAndScaleMatrix();b(t.imagemat,t.imagemat,e)}if(a.setUniformMatrix("MCPCMatrix",t.imagemat),!0===o.getProperty().getUseLabelOutline()){const n=s.getWorldToIndex(),o=s.getDimensions();a.setUniform3i("imageDimensions",o[0],o[1],1),a.setUniformMatrix("vWCtoIDX",n);const i=t.openGLCamera.getKeyMatrices(r);h(t.projectionToWorld,i.wcpc),t.openGLCamera.getKeyMatrices(r),a.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const l=e.getRenderTargetSize();a.setUniformf("vpWidth",l[0]),a.setUniformf("vpHeight",l[1]);const c=e.getRenderTargetOffset();a.setUniformf("vpOffsetX",c[0]/l[0]),a.setUniformf("vpOffsetY",c[1]/l[1])}},e.setPropertyShaderParameters=(e,t,n)=>{const r=e.getProgram(),o=n.getProperty().getOpacity();r.setUniformf("opacity",o)},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),t.labelOutlineThicknessTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),t.labelOutlineThicknessTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getCurrentImage(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):xg("No input!")},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():Ra(t.bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const o=t.currentInput;if(!o)return;const a=o.getPointData()&&o.getPointData().getScalars();if(!a)return;const i=a.getDataType(),s=a.getNumberOfComponents(),l=r.getProperty(),c=l.getInterpolationType(),u=l.getIndependentComponents(),d=u?s:1,p=u?2*d:1,f=l.getRGBTransferFunction(),g=Cg(l,f,d),m=t._openGLRenderWindow.getGraphicsResourceForObject(f);if(m?.vtkObj&&m?.hash===g&&t.colorTextureString===g)t.colorTexture=m.vtkObj,t.colorTextureString=m.hash;else{const e=1024,n=new Uint8Array(e*p*3);if(t.colorTexture||(t.colorTexture=$d.newInstance({resizable:!0}),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow)),c===dg.NEAREST?(t.colorTexture.setMinificationFilter(Vd.NEAREST),t.colorTexture.setMagnificationFilter(Vd.NEAREST)):(t.colorTexture.setMinificationFilter(Vd.LINEAR),t.colorTexture.setMagnificationFilter(Vd.LINEAR)),f){const r=new Float32Array(3*e);for(let t=0;t1?1:0;const d=[Tg.X,Tg.Y,Tg.Z].includes(t.renderable.getSlicingMode())?x:T,p=o.getSpatialExtent(),f=a.getData();let g=null;if(b===Tg.I){g=new f.constructor(e[2]*e[1]*s);let t=0;for(let n=0;n{t.labelOutlineThicknessTexture||(t.labelOutlineThicknessTexture=$d.newInstance({resizable:!1}),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow));const n=e.getProperty().getLabelOutlineThickness(),r=t._openGLRenderWindow.getGraphicsResourceForObject(n),o=`${n.join("-")}`;if(r?.vtkObj&&r?.hash===o&&t.labelOutlineThicknessTextureString===o)t.labelOutlineThicknessTexture=r.vtkObj,t.labelOutlineThicknessTextureString=r.hash;else{const e=1024,r=1,a=new Uint8Array(e*r);for(let t=0;t{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]}}const Pg={VBOBuildTime:0,VBOBuildString:null,openGLTexture:null,tris:null,imagemat:null,imagematinv:null,colorTexture:null,pwfTexture:null,labelOutlineThicknessTexture:null,labelOutlineThicknessTextureString:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,_scalars:null};const Ig=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Pg,n),Zt.extend(e,t,n),Yd(e,t,n),Zd(e,t,n),t.tris=Md.newInstance(),t.imagemat=g(new Float64Array(16)),t.imagematinv=g(new Float64Array(16)),t.projectionToWorld=g(new Float64Array(16)),t.idxToView=g(new Float64Array(16)),t.idxNormalMatrix=pe(new Float64Array(9)),t.modelToView=g(new Float64Array(16)),t.projectionToView=g(new Float64Array(16)),At(e,t,[]),t.VBOBuildTime={},yt(t.VBOBuildTime),Ag(e,t)}),"vtkOpenGLImageMapper");rn("vtkAbstractImageMapper",Ig);const{vtkErrorMacro:wg}=jt;function Og(e,t,n){if(t.apply(e)){const t=e.getIndependentComponents();return`${e.getMTime()}-${t}-${n}`}return"0"}function Mg(e,t){t.classHierarchy.push("vtkOpenGLImageCPRMapper"),e.buildPass=n=>{n&&(t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.openGLCamera=t._openGLRenderer.getViewNodeFor(t._openGLRenderer.getRenderable().getActiveCamera()),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.volumeTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.pwfTexture.setOpenGLRenderWindow(t._openGLRenderWindow))},e.opaquePass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.opaqueZBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),e.invokeEvent({type:"EndEvent"}),t.renderable.preRenderCheck()&&(t.currentImageDataInput=t.renderable.getInputData(0),t.currentCenterlineInput=t.renderable.getOrientedCenterline(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r))},e.renderPieceStart=(t,n)=>{e.updateBufferObjects(t,n)},e.renderPieceDraw=(n,r)=>{const o=t.context;t.volumeTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.volumeTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>{const o=t.VBOBuildTime.getMTime();return o{const r=t.currentImageDataInput,o=t.currentCenterlineInput;n.getProperty().getInterpolationType()===dg.NEAREST?(t.volumeTexture.setMinificationFilter(Vd.NEAREST),t.volumeTexture.setMagnificationFilter(Vd.NEAREST),t.colorTexture.setMinificationFilter(Vd.NEAREST),t.colorTexture.setMagnificationFilter(Vd.NEAREST),t.pwfTexture.setMinificationFilter(Vd.NEAREST),t.pwfTexture.setMagnificationFilter(Vd.NEAREST)):(t.volumeTexture.setMinificationFilter(Vd.LINEAR),t.volumeTexture.setMagnificationFilter(Vd.LINEAR),t.colorTexture.setMinificationFilter(Vd.LINEAR),t.colorTexture.setMagnificationFilter(Vd.LINEAR),t.pwfTexture.setMinificationFilter(Vd.LINEAR),t.pwfTexture.setMagnificationFilter(Vd.LINEAR));const a=r.getMTime();if(t.volumeTextureTime!==a){const e=r.getDimensions(),n=r.getPointData().getScalars();if(!n)return;t.volumeTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.volumeTexture.releaseGraphicsResources(t._openGLRenderWindow),t.volumeTexture.resetFormatAndType(),t.volumeTexture.create3DFilterableFromRaw(e[0],e[1],e[2],n.getNumberOfComponents(),n.getDataType(),n.getData(),t.renderable.getPreferSizeOverAccuracy()),t.volumeTextureTime=a}const i=r.getPointData()&&r.getPointData().getScalars();if(!i)return;const s=i.getNumberOfComponents(),l=n.getProperty(),c=l.getIndependentComponents(),u=c?s:1,d=c?2*u:1,p=Og(l,l.getRGBTransferFunction,u);if(t.colorTextureString!==p){const e=1024,n=new Uint8Array(e*d*3);let r=l.getRGBTransferFunction();if(r){const o=new Float32Array(3*e);for(let t=0;t{const o=t.volumeTexture.getComponents(),a=r.getProperty().getIndependentComponents(),i=!!t.renderable.getCenterPoint(),s=t.renderable.getUseUniformOrientation();return(0===e.getProgram()||t.lastUseCenterPoint!==i||t.lastUseUniformOrientation!==s||t.lastHaveSeenDepthRequest!==t.haveSeenDepthRequest||t.lastTextureComponents!==o||t.lastIndependentComponents!==a)&&(t.lastUseCenterPoint=i,t.lastUseUniformOrientation=s,t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=a,!0)},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.replaceShaderValues=(n,r,o)=>{let a=n.Vertex,i=n.Fragment;a=xd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,a=xd.substitute(a,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result;const s=["attribute vec3 centerlinePosition;","attribute float quadIndex;","uniform float width;","out vec2 quadOffsetVSOutput;","out vec3 centerlinePosVSOutput;"],l=t.renderable.getUseUniformOrientation();l?s.push("out vec3 centerlineDirVSOutput;","uniform vec3 centerlineDirection;"):s.push("out vec3 centerlineTopDirVSOutput;","out vec3 centerlineBotDirVSOutput;","out float centerlineAngleVSOutput;","attribute vec3 centerlineTopDirection;","attribute vec3 centerlineBotDirection;"),a=xd.substitute(a,"//VTK::Color::Dec",s).result;const c=["quadOffsetVSOutput = vec2(width * (mod(quadIndex, 2.0) == 0.0 ? -0.5 : 0.5), quadIndex > 1.0 ? 0.0 : 1.0);","centerlinePosVSOutput = centerlinePosition;"];l?c.push("centerlineDirVSOutput = centerlineDirection;"):c.push("vec3 sumVec = centerlineTopDirection + centerlineBotDirection;","float sumLen2 = dot(sumVec, sumVec);","float diffLen2 = 4.0 - sumLen2;","if (diffLen2 < 0.001) {"," // vectors are too close to each other, use lerp"," centerlineAngleVSOutput = -1.0; // use negative angle as a flag for lerp"," centerlineTopDirVSOutput = centerlineTopDirection;"," centerlineBotDirVSOutput = centerlineBotDirection;","} else if (sumLen2 == 0.0) {"," // vector are opposite to each other, don't make a choice for the user"," // use slerp without direction, it will display the centerline color on each row of pixel"," centerlineAngleVSOutput = 0.0;"," centerlineTopDirVSOutput = vec3(0.0);"," centerlineBotDirVSOutput = vec3(0.0);","} else {"," // use slerp"," centerlineAngleVSOutput = 2.0 * atan(sqrt(diffLen2/sumLen2));"," float sinAngle = sin(centerlineAngleVSOutput);"," centerlineTopDirVSOutput = centerlineTopDirection / sinAngle;"," centerlineBotDirVSOutput = centerlineBotDirection / sinAngle;","}"),a=xd.substitute(a,"//VTK::Color::Impl",c).result;const u=t.volumeTexture.getComponents(),d=o.getProperty().getIndependentComponents();let p=["uniform mat4 MCTCMatrix; // Model coordinates to texture coordinates","in vec2 quadOffsetVSOutput;","in vec3 centerlinePosVSOutput;","uniform highp sampler3D volumeTexture;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;"];l?p.push("in vec3 centerlineDirVSOutput;"):p.push("in vec3 centerlineTopDirVSOutput;","in vec3 centerlineBotDirVSOutput;","in float centerlineAngleVSOutput;");const f=t.renderable.getCenterPoint();if(f&&p.push("uniform vec3 globalCenterPoint;"),d){for(let e=1;e{let o=e.Vertex,a=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(jt.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6),o=xd.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=xd.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,a=xd.substitute(a,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,a=xd.substitute(a,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=a},e.getShaderTemplate=(e,t,n)=>{e.Vertex=qd,e.Fragment=Xd,e.Geometry=""},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||wg("Error setting vertexMC in shader VAO.")),n.getCABO().getCustomData().forEach((e=>{e&&n.getProgram().isAttributeUsed(e.name)&&!n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),e.name,e.offset,n.getCABO().getStride(),t.context.FLOAT,e.components,t.context.FALSE)&&wg(`Error setting ${e.name} in shader VAO.`)})),n.getAttributeUpdateTime().modified());const a=t.volumeTexture.getTextureUnit();if(n.getProgram().setUniformi("volumeTexture",a),n.getProgram().setUniformf("width",t.renderable.getWidth()),n.getProgram().setUniform4f("backgroundColor",...t.renderable.getBackgroundColor()),n.getProgram().isUniformUsed("centerlineDirection")){const e=t.renderable.getUniformDirection();n.getProgram().setUniform3fArray("centerlineDirection",e)}if(n.getProgram().isUniformUsed("globalCenterPoint")){const e=t.renderable.getCenterPoint();n.getProgram().setUniform3fArray("globalCenterPoint",e)}const i=t.currentImageDataInput,s=i.getWorldToIndex(),l=w(new Float32Array(16),Rn([],i.getDimensions())),c=oe(l,l,s);if(n.getProgram().setUniformMatrix("MCTCMatrix",c),t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(jt.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,a=r?d(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(m(a,a),b(a,a,r),m(a,a)),m(t.imagemat,t.currentImageDataInput.getIndexToWorld()),b(t.imagematinv,a,t.imagemat);const i=[];for(let n=0;n{const o=t.openGLImageSlice.getKeyMatrices().mcwc,a=t.openGLCamera.getKeyMatrices(n).wcpc;if(b(t.imagemat,a,o),e.getCABO().getCoordShiftAndScaleEnabled()){const n=e.getCABO().getInverseShiftAndScaleMatrix();b(t.imagemat,t.imagemat,n)}e.getProgram().setUniformMatrix("MCPCMatrix",t.imagemat)},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),a=r.getProperty(),i=a.getOpacity();o.setUniformf("opacity",i);const s=t.volumeTexture.getComponents(),l=a.getIndependentComponents();if(l)for(let e=0;e{if(e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(a,r,o);const i=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==n.getProgram()&&(n.setProgram(i),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)}}const Rg={currentRenderPass:null,volumeTexture:null,volumeTextureTime:0,colorTexture:null,colorTextureString:null,pwfTexture:null,pwfTextureString:null,tris:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,lastIndependentComponents:0,imagemat:null,imagematinv:null};const Vg=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Rg,n),Zt.extend(e,t,n),Yd(e,t,n),jt.algo(e,t,2,0),t.tris=Md.newInstance(),t.volumeTexture=$d.newInstance(),t.colorTexture=$d.newInstance(),t.pwfTexture=$d.newInstance(),t.imagemat=g(new Float64Array(16)),t.imagematinv=g(new Float64Array(16)),t.VBOBuildTime={},jt.obj(t.VBOBuildTime,{mtime:0}),Mg(e,t)}),"vtkOpenGLImageCPRMapper");function Eg(e,t){t.classHierarchy.push("vtkOpenGLImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes()}},e.traverseZBufferPass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseOpaqueZBufferPass=t=>e.traverseOpaquePass(t),e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t._openGLRenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.zBufferPass=(t,n)=>e.opaquePass(t,n),e.opaqueZBufferPass=(t,n)=>e.opaquePass(t,n),e.opaquePass=(e,n)=>{e&&t.context.depthMask(!0)},e.translucentPass=(e,n)=>{t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(d(t.keyMatrices.mcwc,t.renderable.getMatrix()),m(t.keyMatrices.mcwc,t.keyMatrices.mcwc),t.keyMatrixTime.modified()),t.keyMatrices)}rn("vtkImageCPRMapper",Vg);const Dg={context:null,keyMatrixTime:null,keyMatrices:null};const Lg=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Dg,n),Zt.extend(e,t,n),t.keyMatrixTime={},yt(t.keyMatrixTime,{mtime:0}),t.keyMatrices={mcwc:g(new Float64Array(16))},At(e,t,["context"]),Eg(e,t)}),"vtkOpenGLImageSlice");function Bg(e,t){t.classHierarchy.push("vtkOpenGLVolume"),e.buildPass=n=>{t.renderable&&t.renderable.getVisibility()&&n&&(t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes())},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;n.incrementVolumeCount()}},e.traverseVolumePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children[0].traverse(n),e.apply(n,!1))},e.volumePass=e=>{t.renderable&&t.renderable.getVisibility()&&t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(t.renderable.computeMatrix(),d(t.MCWCMatrix,t.renderable.getMatrix()),m(t.MCWCMatrix,t.MCWCMatrix),t.renderable.getIsIdentity()?pe(t.normalMatrix):(se(t.normalMatrix,t.MCWCMatrix),ge(t.normalMatrix,t.normalMatrix),fe(t.normalMatrix,t.normalMatrix)),t.keyMatrixTime.modified()),{mcwc:t.MCWCMatrix,normalMatrix:t.normalMatrix})}rn("vtkImageSlice",Lg);const Ng={};const kg=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ng,n),Zt.extend(e,t,n),t.keyMatrixTime={},yt(t.keyMatrixTime,{mtime:0}),t.normalMatrix=new Float64Array(9),t.MCWCMatrix=new Float64Array(16),At(e,t,["context"]),Bg(e,t)}),"vtkOpenGLVolume");rn("vtkVolume",kg);const Fg=0,_g=1,Gg=1,Ug=0,Wg=1,zg=2,Hg=3,jg=4,{vtkWarningMacro:Kg,vtkErrorMacro:$g}=Kt;function qg(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function Xg(e,t){t.classHierarchy.push("vtkOpenGLVolumeMapper"),e.buildPass=()=>{t.zBufferTexture=null},e.zBufferPass=(e,n)=>{if(e){const e=n.getZBufferTexture();e!==t.zBufferTexture&&(t.zBufferTexture=e)}},e.opaqueZBufferPass=(t,n)=>e.zBufferPass(t,n),e.volumePass=(n,r)=>{if(n){t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.jitterTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.scalarTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.opacityTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.openGLVolume=e.getFirstAncestorOfType("vtkOpenGLVolume");const n=t.openGLVolume.getRenderable();t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const r=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(r.getActiveCamera()),e.renderPiece(r,n)}},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexDC;\n\nvarying vec3 vertexVCVSOutput;\nuniform mat4 PCVCMatrix;\n\nuniform float dcxmin;\nuniform float dcxmax;\nuniform float dcymin;\nuniform float dcymax;\n\nvoid main()\n{\n // dcsmall is the device coords reduced to the\n // x y area covered by the volume\n vec4 dcsmall = vec4(\n dcxmin + 0.5 * (vertexDC.x + 1.0) * (dcxmax - dcxmin),\n dcymin + 0.5 * (vertexDC.y + 1.0) * (dcymax - dcymin),\n vertexDC.z,\n vertexDC.w);\n vec4 vcpos = PCVCMatrix * dcsmall;\n vertexVCVSOutput = vcpos.xyz/vcpos.w;\n gl_Position = dcsmall;\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkVolumeFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the volume mappers fragment shader\n\n// the output of this shader\n//VTK::Output::Dec\n\nvarying vec3 vertexVCVSOutput;\n\n// first declare the settings from the mapper\n// that impact the code paths in here\n\n// always set vtkNumComponents 1,2,3,4\n//VTK::NumComponents\n\n// possibly define vtkTrilinearOn\n//VTK::TrilinearOn\n\n// possibly define vtkIndependentComponents\n//VTK::IndependentComponentsOn\n\n// possibly define any \"proportional\" components\n//VTK::vtkProportionalComponents\n\n// Define the blend mode to use\n#define vtkBlendMode //VTK::BlendMode\n\n// Possibly define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n#ifdef vtkImageLabelOutlineOn\n\nuniform float outlineOpacity;\nuniform float vpWidth;\nuniform float vpHeight;\nuniform float vpOffsetX;\nuniform float vpOffsetY;\nuniform mat4 PCWCMatrix;\nuniform mat4 vWCtoIDX;\n#endif\n\n// define vtkLightComplexity\n//VTK::LightComplexity\n#if vtkLightComplexity > 0\nuniform float vSpecularPower;\nuniform float vAmbient;\nuniform float vDiffuse;\nuniform float vSpecular;\n//VTK::Light::Dec\n#endif\n\n//VTK::VolumeShadowOn\n//VTK::SurfaceShadowOn\n//VTK::localAmbientOcclusionOn\n//VTK::LAO::Dec\n//VTK::VolumeShadow::Dec\n\n// define vtkComputeNormalFromOpacity\n//VTK::vtkComputeNormalFromOpacity\n\n// possibly define vtkGradientOpacityOn\n//VTK::GradientOpacityOn\n#ifdef vtkGradientOpacityOn\nuniform float goscale0;\nuniform float goshift0;\nuniform float gomin0;\nuniform float gomax0;\n#if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\nuniform float goscale1;\nuniform float goshift1;\nuniform float gomin1;\nuniform float gomax1;\n#if vtkNumComponents >= 3\nuniform float goscale2;\nuniform float goshift2;\nuniform float gomin2;\nuniform float gomax2;\n#endif\n#if vtkNumComponents >= 4\nuniform float goscale3;\nuniform float goshift3;\nuniform float gomin3;\nuniform float gomax3;\n#endif\n#endif\n#endif\n\n// if you want to see the raw tiled\n// data in webgl1 uncomment the following line\n// #define debugtile\n\n// camera values\nuniform float camThick;\nuniform float camNear;\nuniform float camFar;\nuniform int cameraParallel;\n\n// values describing the volume geometry\nuniform vec3 vOriginVC;\nuniform vec3 vSpacing;\nuniform ivec3 volumeDimensions; // 3d texture dimensions\nuniform vec3 vPlaneNormal0;\nuniform float vPlaneDistance0;\nuniform vec3 vPlaneNormal1;\nuniform float vPlaneDistance1;\nuniform vec3 vPlaneNormal2;\nuniform float vPlaneDistance2;\nuniform vec3 vPlaneNormal3;\nuniform float vPlaneDistance3;\nuniform vec3 vPlaneNormal4;\nuniform float vPlaneDistance4;\nuniform vec3 vPlaneNormal5;\nuniform float vPlaneDistance5;\n\n//VTK::ClipPlane::Dec\n\n// opacity and color textures\nuniform sampler2D otexture;\nuniform float oshift0;\nuniform float oscale0;\nuniform sampler2D ctexture;\nuniform float cshift0;\nuniform float cscale0;\n\n// jitter texture\nuniform sampler2D jtexture;\nuniform sampler2D ttexture;\n\n\n// some 3D texture values\nuniform float sampleDistance;\nuniform vec3 vVCToIJK;\n\n// the heights defined below are the locations\n// for the up to four components of the tfuns\n// the tfuns have a height of 2XnumComps pixels so the\n// values are computed to hit the middle of the two rows\n// for that component\n#ifdef vtkIndependentComponentsOn\n#if vtkNumComponents == 2\nuniform float mix0;\nuniform float mix1;\n#define height0 0.25\n#define height1 0.75\n#endif\n#if vtkNumComponents == 3\nuniform float mix0;\nuniform float mix1;\nuniform float mix2;\n#define height0 0.17\n#define height1 0.5\n#define height2 0.83\n#endif\n#if vtkNumComponents == 4\nuniform float mix0;\nuniform float mix1;\nuniform float mix2;\nuniform float mix3;\n#define height0 0.125\n#define height1 0.375\n#define height2 0.625\n#define height3 0.875\n#endif\n#endif\n\n#if vtkNumComponents >= 2\nuniform float oshift1;\nuniform float oscale1;\nuniform float cshift1;\nuniform float cscale1;\n#endif\n#if vtkNumComponents >= 3\nuniform float oshift2;\nuniform float oscale2;\nuniform float cshift2;\nuniform float cscale2;\n#endif\n#if vtkNumComponents >= 4\nuniform float oshift3;\nuniform float oscale3;\nuniform float cshift3;\nuniform float cscale3;\n#endif\n\nuniform vec4 ipScalarRangeMin;\nuniform vec4 ipScalarRangeMax;\n\n// declaration for intermixed geometry\n//VTK::ZBuffer::Dec\n\n//=======================================================================\n// global and custom variables (a temporary section before photorealistics rendering module is complete)\nvec3 rayDirVC;\nfloat sampleDistanceISVS;\nfloat sampleDistanceIS;\n\n#define SQRT3 1.7321\n#define INV4PI 0.0796\n#define EPSILON 0.001\n#define PI 3.1415\n#define PI2 9.8696\n\n//=======================================================================\n// Webgl2 specific version of functions\n#if __VERSION__ == 300\n\nuniform highp sampler3D texture1;\n\nvec4 getTextureValue(vec3 pos)\n{\n vec4 tmp = texture(texture1, pos);\n#if vtkNumComponents == 1\n tmp.a = tmp.r;\n#endif\n#if vtkNumComponents == 2\n tmp.a = tmp.g;\n#endif\n#if vtkNumComponents == 3\n tmp.a = length(tmp.rgb);\n#endif\n return tmp;\n}\n\n//=======================================================================\n// WebGL1 specific version of functions\n#else\n\nuniform sampler2D texture1;\n\nuniform float texWidth;\nuniform float texHeight;\nuniform int xreps;\nuniform int xstride;\nuniform int ystride;\n\n// if computing trilinear values from multiple z slices\n#ifdef vtkTrilinearOn\nvec4 getTextureValue(vec3 ijk)\n{\n float zoff = 1.0/float(volumeDimensions.z);\n vec4 val1 = getOneTextureValue(ijk);\n vec4 val2 = getOneTextureValue(vec3(ijk.xy, ijk.z + zoff));\n\n float indexZ = float(volumeDimensions)*ijk.z;\n float zmix = indexZ - floor(indexZ);\n\n return mix(val1, val2, zmix);\n}\n\nvec4 getOneTextureValue(vec3 ijk)\n#else // nearest or fast linear\nvec4 getTextureValue(vec3 ijk)\n#endif\n{\n vec3 tdims = vec3(volumeDimensions);\n\n#ifdef debugtile\n vec2 tpos = vec2(ijk.x, ijk.y);\n vec4 tmp = texture2D(texture1, tpos);\n tmp.a = 1.0;\n\n#else\n int z = int(ijk.z * tdims.z);\n int yz = z / xreps;\n int xz = z - yz*xreps;\n\n int tileWidth = volumeDimensions.x/xstride;\n int tileHeight = volumeDimensions.y/ystride;\n\n xz *= tileWidth;\n yz *= tileHeight;\n\n float ni = float(xz) + (ijk.x*float(tileWidth));\n float nj = float(yz) + (ijk.y*float(tileHeight));\n\n vec2 tpos = vec2(ni/texWidth, nj/texHeight);\n\n vec4 tmp = texture2D(texture1, tpos);\n\n#if vtkNumComponents == 1\n tmp.a = tmp.r;\n#endif\n#if vtkNumComponents == 2\n tmp.g = tmp.a;\n#endif\n#if vtkNumComponents == 3\n tmp.a = length(tmp.rgb);\n#endif\n#endif\n\n return tmp;\n}\n\n// End of Webgl1 specific code\n//=======================================================================\n#endif\n\n//=======================================================================\n// transformation between VC and IS space\n\n// convert vector position from idx to vc\n#if (vtkLightComplexity > 0) || (defined vtkClippingPlanesOn)\nvec3 IStoVC(vec3 posIS){\n vec3 posVC = posIS / vVCToIJK;\n return posVC.x * vPlaneNormal0 +\n posVC.y * vPlaneNormal2 +\n posVC.z * vPlaneNormal4 +\n vOriginVC;\n}\n\n// convert vector position from vc to idx\nvec3 VCtoIS(vec3 posVC){\n posVC = posVC - vOriginVC;\n posVC = vec3(\n dot(posVC, vPlaneNormal0),\n dot(posVC, vPlaneNormal2),\n dot(posVC, vPlaneNormal4));\n return posVC * vVCToIJK;\n}\n#endif\n\n//Rotate vector to view coordinate\n#if (vtkLightComplexity > 0) || (defined vtkGradientOpacityOn)\nvoid rotateToViewCoord(inout vec3 dirIS){\n dirIS.xyz =\n dirIS.x * vPlaneNormal0 +\n dirIS.y * vPlaneNormal2 +\n dirIS.z * vPlaneNormal4;\n}\n\n//Rotate vector to idx coordinate\nvec3 rotateToIDX(vec3 dirVC){\n vec3 dirIS;\n dirIS.xyz = vec3(\n dot(dirVC, vPlaneNormal0),\n dot(dirVC, vPlaneNormal2),\n dot(dirVC, vPlaneNormal4));\n return dirIS;\n}\n#endif\n\n//=======================================================================\n// Given a normal compute the gradient opacity factors\nfloat computeGradientOpacityFactor(\n float normalMag, float goscale, float goshift, float gomin, float gomax)\n{\n#if defined(vtkGradientOpacityOn)\n return clamp(normalMag * goscale + goshift, gomin, gomax);\n#else\n return 1.0;\n#endif\n}\n\n//=======================================================================\n// compute the normal and gradient magnitude for a position, uses forward difference\n#if (vtkLightComplexity > 0) || (defined vtkGradientOpacityOn)\n#ifdef vtkClippingPlanesOn\n void adjustClippedVoxelValues(vec3 pos, vec3 texPos[3], inout vec3 g1)\n {\n vec3 g1VC[3];\n for (int i = 0; i < 3; ++i)\n {\n g1VC[i] = IStoVC(texPos[i]);\n }\n vec3 posVC = IStoVC(pos);\n for (int i = 0; i < clip_numPlanes; ++i)\n {\n for (int j = 0; j < 3; ++j)\n {\n if(dot(vec3(vClipPlaneOrigins[i] - g1VC[j].xyz), vClipPlaneNormals[i]) > 0.0)\n {\n g1[j] = 0.0;\n }\n }\n }\n }\n#endif\n\n #ifdef vtkComputeNormalFromOpacity\n #ifdef vtkGradientOpacityOn\n vec4 computeDensityNormal(float gradientMag, vec3 scalarInterp[2])\n {\n #else\n //if gradient opacity not on but using density gradient\n vec4 computeDensityNormal(vec3 scalarInterp[2])\n {\n #endif\n vec3 opacityG1, opacityG2;\n opacityG1.x = texture2D(otexture, vec2(scalarInterp[0].x * oscale0 + oshift0, 0.5)).r;\n opacityG1.y = texture2D(otexture, vec2(scalarInterp[0].y * oscale0 + oshift0, 0.5)).r;\n opacityG1.z = texture2D(otexture, vec2(scalarInterp[0].z * oscale0 + oshift0, 0.5)).r;\n opacityG2.x = texture2D(otexture, vec2(scalarInterp[1].x * oscale0 + oshift0, 0.5)).r;\n opacityG2.y = texture2D(otexture, vec2(scalarInterp[1].y * oscale0 + oshift0, 0.5)).r;\n opacityG2.z = texture2D(otexture, vec2(scalarInterp[1].z * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n float gradOpacityFactor = 1.0f;\n if (gradientMag >= 0.0){\n gradOpacityFactor = computeGradientOpacityFactor(gradientMag, goscale0, goshift0, gomin0, gomax0);\n }\n opacityG1.xyz *= gradOpacityFactor;\n opacityG2.xyz *= gradOpacityFactor;\n #endif\n\n vec4 opacityG = vec4(opacityG1 - opacityG2, 1.0f);\n // divide by spacing\n opacityG.xyz /= vSpacing;\n opacityG.w = length(opacityG.xyz);\n // rotate to View Coords\n rotateToViewCoord(opacityG.xyz);\n if (length(opacityG.xyz) > 0.0) {\n return vec4(normalize(opacityG.xyz),opacityG.w);\n } else {\n return vec4(0.0);\n }\n }\n\n vec4 computeNormalForDensity(vec3 pos, vec3 tstep, out vec3 scalarInterp[2])\n {\n vec3 xvec = vec3(tstep.x, 0.0, 0.0);\n vec3 yvec = vec3(0.0, tstep.y, 0.0);\n vec3 zvec = vec3(0.0, 0.0, tstep.z);\n vec3 texPosPVec[3];\n texPosPVec[0] = pos + xvec;\n texPosPVec[1] = pos + yvec;\n texPosPVec[2] = pos + zvec;\n vec3 texPosNVec[3];\n texPosNVec[0] = pos - xvec;\n texPosNVec[1] = pos - yvec;\n texPosNVec[2] = pos - zvec;\n vec3 g1, g2;\n\n scalarInterp[0].x = getTextureValue(texPosPVec[0]).a;\n scalarInterp[0].y = getTextureValue(texPosPVec[1]).a;\n scalarInterp[0].z = getTextureValue(texPosPVec[2]).a;\n scalarInterp[1].x = getTextureValue(texPosNVec[0]).a;\n scalarInterp[1].y = getTextureValue(texPosNVec[1]).a;\n scalarInterp[1].z = getTextureValue(texPosNVec[2]).a;\n\n #ifdef vtkClippingPlanesOn\n adjustClippedVoxelValues(pos, texPosPVec, scalarInterp[0]);\n adjustClippedVoxelValues(pos, texPosNVec, scalarInterp[1]);\n #endif\n vec4 result;\n result.x = scalarInterp[0].x - scalarInterp[1].x;\n result.y = scalarInterp[0].y - scalarInterp[1].y;\n result.z = scalarInterp[0].z - scalarInterp[1].z;\n // divide by spacing\n result.xyz /= vSpacing;\n result.w = length(result.xyz);\n // rotate to View Coords\n rotateToViewCoord(result.xyz);\n if (length(result.xyz) > 0.0) {\n return vec4(normalize(result.xyz),result.w);\n } else {\n return vec4(0.0);\n }\n }\n #endif\n\n vec4 computeNormal(vec3 pos, vec3 tstep)\n {\n vec3 xvec = vec3(tstep.x, 0.0, 0.0);\n vec3 yvec = vec3(0.0, tstep.y, 0.0);\n vec3 zvec = vec3(0.0, 0.0, tstep.z);\n vec3 texPosPVec[3];\n texPosPVec[0] = pos + xvec;\n texPosPVec[1] = pos + yvec;\n texPosPVec[2] = pos + zvec;\n vec3 texPosNVec[3];\n texPosNVec[0] = pos - xvec;\n texPosNVec[1] = pos - yvec;\n texPosNVec[2] = pos - zvec;\n vec3 g1, g2;\n g1.x = getTextureValue(texPosPVec[0]).a;\n g1.y = getTextureValue(texPosPVec[1]).a;\n g1.z = getTextureValue(texPosPVec[2]).a;\n g2.x = getTextureValue(texPosNVec[0]).a;\n g2.y = getTextureValue(texPosNVec[1]).a;\n g2.z = getTextureValue(texPosNVec[2]).a;\n #ifdef vtkClippingPlanesOn\n adjustClippedVoxelValues(pos, texPosPVec, g1);\n adjustClippedVoxelValues(pos, texPosNVec, g2);\n #endif\n vec4 result;\n result = vec4(g1 - g2, -1.0);\n // divide by spacing\n result.xyz /= vSpacing;\n result.w = length(result.xyz);\n if (result.w > 0.0){\n // rotate to View Coords\n rotateToViewCoord(result.xyz);\n return vec4(normalize(result.xyz),result.w);\n } else {\n return vec4(0.0);\n }\n }\n#endif\n\n#ifdef vtkImageLabelOutlineOn\nvec3 fragCoordToIndexSpace(vec4 fragCoord) {\n vec4 pcPos = vec4(\n (fragCoord.x / vpWidth - vpOffsetX - 0.5) * 2.0,\n (fragCoord.y / vpHeight - vpOffsetY - 0.5) * 2.0,\n (fragCoord.z - 0.5) * 2.0,\n 1.0);\n\n vec4 worldCoord = PCWCMatrix * pcPos;\n vec4 vertex = (worldCoord/worldCoord.w);\n\n vec3 index = (vWCtoIDX * vertex).xyz;\n\n // half voxel fix for labelmapOutline\n return (index + vec3(0.5)) / vec3(volumeDimensions);\n}\n#endif\n\n//=======================================================================\n// compute the normals and gradient magnitudes for a position\n// for independent components\nmat4 computeMat4Normal(vec3 pos, vec4 tValue, vec3 tstep)\n{\n mat4 result;\n vec4 distX = getTextureValue(pos + vec3(tstep.x, 0.0, 0.0)) - tValue;\n vec4 distY = getTextureValue(pos + vec3(0.0, tstep.y, 0.0)) - tValue;\n vec4 distZ = getTextureValue(pos + vec3(0.0, 0.0, tstep.z)) - tValue;\n\n // divide by spacing\n distX /= vSpacing.x;\n distY /= vSpacing.y;\n distZ /= vSpacing.z;\n\n mat3 rot;\n rot[0] = vPlaneNormal0;\n rot[1] = vPlaneNormal2;\n rot[2] = vPlaneNormal4;\n\n#if !defined(vtkComponent0Proportional)\n result[0].xyz = vec3(distX.r, distY.r, distZ.r);\n result[0].a = length(result[0].xyz);\n result[0].xyz *= rot;\n if (result[0].w > 0.0)\n {\n result[0].xyz /= result[0].w;\n }\n#endif\n\n// optionally compute the 2nd component\n#if vtkNumComponents >= 2 && !defined(vtkComponent1Proportional)\n result[1].xyz = vec3(distX.g, distY.g, distZ.g);\n result[1].a = length(result[1].xyz);\n result[1].xyz *= rot;\n if (result[1].w > 0.0)\n {\n result[1].xyz /= result[1].w;\n }\n#endif\n\n// optionally compute the 3rd component\n#if vtkNumComponents >= 3 && !defined(vtkComponent2Proportional)\n result[2].xyz = vec3(distX.b, distY.b, distZ.b);\n result[2].a = length(result[2].xyz);\n result[2].xyz *= rot;\n if (result[2].w > 0.0)\n {\n result[2].xyz /= result[2].w;\n }\n#endif\n\n// optionally compute the 4th component\n#if vtkNumComponents >= 4 && !defined(vtkComponent3Proportional)\n result[3].xyz = vec3(distX.a, distY.a, distZ.a);\n result[3].a = length(result[3].xyz);\n result[3].xyz *= rot;\n if (result[3].w > 0.0)\n {\n result[3].xyz /= result[3].w;\n }\n#endif\n\n return result;\n}\n\n//=======================================================================\n// global shadow - secondary ray\n#if defined(VolumeShadowOn) || defined(localAmbientOcclusionOn)\nfloat random()\n{\n float rand = fract(sin(dot(gl_FragCoord.xy,vec2(12.9898,78.233)))*43758.5453123);\n float jitter=texture2D(jtexture,gl_FragCoord.xy/32.).r;\n uint pcg_state = floatBitsToUint(jitter);\n uint state = pcg_state;\n pcg_state = pcg_state * uint(747796405) + uint(2891336453);\n uint word = ((state >> ((state >> uint(28)) + uint(4))) ^ state) * uint(277803737);\n return (float((((word >> uint(22)) ^ word) >> 1 ))/float(2147483647) + rand)/2.0;\n}\n#endif\n\n#ifdef VolumeShadowOn\n// henyey greenstein phase function\nfloat phase_function(float cos_angle)\n{\n // divide by 2.0 instead of 4pi to increase intensity\n return ((1.0-anisotropy2)/pow(1.0+anisotropy2-2.0*anisotropy*cos_angle, 1.5))/2.0;\n}\n\n// Computes the intersection between a ray and a box\nstruct Hit\n{\n float tmin;\n float tmax;\n};\n\nstruct Ray\n{\n vec3 origin;\n vec3 dir;\n vec3 invDir;\n};\n\nbool BBoxIntersect(vec3 boundMin, vec3 boundMax, const Ray r, out Hit hit)\n{\n vec3 tbot = r.invDir * (boundMin - r.origin);\n vec3 ttop = r.invDir * (boundMax - r.origin);\n vec3 tmin = min(ttop, tbot);\n vec3 tmax = max(ttop, tbot);\n vec2 t = max(tmin.xx, tmin.yz);\n float t0 = max(t.x, t.y);\n t = min(tmax.xx, tmax.yz);\n float t1 = min(t.x, t.y);\n hit.tmin = t0;\n hit.tmax = t1;\n return t1 > max(t0,0.0);\n}\n\n// As BBoxIntersect requires the inverse of the ray coords,\n// this function is used to avoid numerical issues\nvoid safe_0_vector(inout Ray ray)\n{\n if(abs(ray.dir.x) < EPSILON) ray.dir.x = sign(ray.dir.x) * EPSILON;\n if(abs(ray.dir.y) < EPSILON) ray.dir.y = sign(ray.dir.y) * EPSILON;\n if(abs(ray.dir.z) < EPSILON) ray.dir.z = sign(ray.dir.z) * EPSILON;\n}\n\nfloat volume_shadow(vec3 posIS, vec3 lightDirNormIS)\n{\n float shadow = 1.0;\n float opacity = 0.0;\n\n // modify sample distance with a random number between 1.5 and 3.0\n float sampleDistanceISVS_jitter = sampleDistanceISVS * mix(1.5, 3.0, random());\n float opacityPrev = texture2D(otexture, vec2(getTextureValue(posIS).r * oscale0 + oshift0, 0.5)).r;\n\n // in case the first sample near surface has a very tiled light ray, we need to offset start position\n posIS += sampleDistanceISVS_jitter * lightDirNormIS;\n\n // compute the start and end points for the ray\n Ray ray;\n Hit hit;\n ray.origin = posIS;\n ray.dir = lightDirNormIS;\n safe_0_vector(ray);\n ray.invDir = 1.0/ray.dir;\n\n if(!BBoxIntersect(vec3(0.0),vec3(1.0), ray, hit))\n {\n return 1.0;\n }\n float maxdist = hit.tmax;\n\n // interpolate shadow ray length between: 1 unit of sample distance in IS to SQRT3, based on globalIlluminationReach\n float maxgi = mix(sampleDistanceISVS_jitter,SQRT3,giReach);\n maxdist = min(maxdist,maxgi);\n if(maxdist < EPSILON) {\n return 1.0;\n }\n\n // support gradient opacity\n #ifdef vtkGradientOpacityOn\n vec4 normal;\n #endif\n\n float current_dist = 0.0;\n float current_step = length(sampleDistanceISVS_jitter * lightDirNormIS);\n float clamped_step = 0.0;\n\n vec4 scalar = vec4(0.0);\n while(current_dist < maxdist)\n {\n#ifdef vtkClippingPlanesOn\n vec3 posVC = IStoVC(posIS);\n for (int i = 0; i < clip_numPlanes; ++i)\n {\n if (dot(vec3(vClipPlaneOrigins[i] - posVC), vClipPlaneNormals[i]) > 0.0)\n {\n current_dist = maxdist;\n }\n }\n#endif\n scalar = getTextureValue(posIS);\n opacity = texture2D(otexture, vec2(scalar.r * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n normal = computeNormal(posIS, vec3(1.0/vec3(volumeDimensions)));\n opacity *= computeGradientOpacityFactor(normal.w, goscale0, goshift0, gomin0, gomax0);\n #endif\n shadow *= 1.0 - opacity;\n\n // optimization: early termination\n if (shadow < EPSILON){\n return 0.0;\n }\n\n clamped_step = min(maxdist - current_dist, current_step);\n posIS += clamped_step * lightDirNormIS;\n current_dist += current_step;\n }\n\n return shadow;\n}\n\nvec3 applyShadowRay(vec3 tColor, vec3 posIS, vec3 viewDirectionVC)\n{\n vec3 vertLight = vec3(0.0);\n vec3 secondary_contrib = vec3(0.0);\n // here we assume only positional light, no effect of cones\n for (int i = 0; i < lightNum; i++)\n {\n #if(vtkLightComplexity==3)\n if (lightPositional[i] == 1){\n vertLight = lightPositionVC[i] - IStoVC(posIS);\n }else{\n vertLight = - lightDirectionVC[i];\n }\n #else\n vertLight = - lightDirectionVC[i];\n #endif\n // here we assume achromatic light, only intensity\n float dDotL = dot(viewDirectionVC, normalize(vertLight));\n // isotropic scatter returns 0.5 instead of 1/4pi to increase intensity\n float phase_attenuation = 0.5;\n if (abs(anisotropy) > EPSILON){\n phase_attenuation = phase_function(dDotL);\n }\n float vol_shadow = volume_shadow(posIS, normalize(rotateToIDX(vertLight)));\n secondary_contrib += tColor * vDiffuse * lightColor[i] * vol_shadow * phase_attenuation;\n secondary_contrib += tColor * vAmbient;\n }\n return secondary_contrib;\n}\n#endif\n\n//=======================================================================\n// local ambient occlusion\n#ifdef localAmbientOcclusionOn\nvec3 sample_direction_uniform(int i)\n{\n float rand = random() * 0.5;\n float theta = PI2 * (kernelSample[i][0] + rand);\n float phi = acos(2.0 * (kernelSample[i][1] + rand) -1.0) / 2.5;\n return normalize(vec3(cos(theta)*sin(phi), sin(theta)*sin(phi), cos(phi)));\n}\n\n// return a matrix that transform startDir into z axis; startDir should be normalized\nmat3 zBaseRotationalMatrix(vec3 startDir){\n vec3 axis = cross(startDir, vec3(0.0,0.0,1.0));\n float cosA = startDir.z;\n float k = 1.0 / (1.0 + cosA);\n mat3 matrix = mat3((axis.x * axis.x * k) + cosA, (axis.y * axis.x * k) - axis.z, (axis.z * axis.x * k) + axis.y,\n (axis.x * axis.y * k) + axis.z, (axis.y * axis.y * k) + cosA, (axis.z * axis.y * k) - axis.x,\n (axis.x * axis.z * k) - axis.y, (axis.y * axis.z * k) + axis.x, (axis.z * axis.z * k) + cosA);\n return matrix;\n}\n\nfloat computeLAO(vec3 posIS, float op, vec3 lightDir, vec4 normal){\n // apply LAO only at selected locations, otherwise return full brightness\n if (normal.w > 0.0 && op > 0.05){\n float total_transmittance = 0.0;\n mat3 inverseRotateBasis = inverse(zBaseRotationalMatrix(normalize(-normal.xyz)));\n vec3 currPos, randomDirStep;\n float weight, transmittance, opacity;\n for (int i = 0; i < kernelSize; i++)\n {\n randomDirStep = inverseRotateBasis * sample_direction_uniform(i) * sampleDistanceIS;\n weight = 1.0 - dot(normalize(lightDir), normalize(randomDirStep));\n currPos = posIS;\n transmittance = 1.0;\n for (int j = 0; j < kernelRadius ; j++){\n currPos += randomDirStep;\n // check if it's at clipping plane, if so return full brightness\n if (all(greaterThan(currPos, vec3(EPSILON))) && all(lessThan(currPos,vec3(1.0-EPSILON)))){\n opacity = texture2D(otexture, vec2(getTextureValue(currPos).r * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n opacity *= computeGradientOpacityFactor(normal.w, goscale0, goshift0, gomin0, gomax0);\n #endif\n transmittance *= 1.0 - opacity;\n }\n else{\n break;\n }\n }\n total_transmittance += transmittance / float(kernelRadius) * weight;\n\n // early termination if fully translucent\n if (total_transmittance > 1.0 - EPSILON){\n return 1.0;\n }\n }\n // average transmittance and reduce variance\n return clamp(total_transmittance / float(kernelSize), 0.3, 1.0);\n } else {\n return 1.0;\n }\n}\n#endif\n\n//=======================================================================\n// surface light contribution\n#if vtkLightComplexity > 0\n void applyLighting(inout vec3 tColor, vec4 normal)\n {\n vec3 diffuse = vec3(0.0, 0.0, 0.0);\n vec3 specular = vec3(0.0, 0.0, 0.0);\n float df, sf = 0.0;\n for (int i = 0; i < lightNum; i++){\n df = abs(dot(normal.rgb, -lightDirectionVC[i]));\n diffuse += df * lightColor[i];\n sf = pow( abs(dot(lightHalfAngleVC[i],normal.rgb)), vSpecularPower);\n specular += sf * lightColor[i];\n }\n tColor.rgb = tColor.rgb*(diffuse*vDiffuse + vAmbient) + specular*vSpecular;\n }\n #ifdef SurfaceShadowOn\n #if vtkLightComplexity < 3\n vec3 applyLightingDirectional(vec3 posIS, vec4 tColor, vec4 normal)\n {\n // everything in VC\n vec3 diffuse = vec3(0.0);\n vec3 specular = vec3(0.0);\n #ifdef localAmbientOcclusionOn\n vec3 ambient = vec3(0.0);\n #endif\n vec3 vertLightDirection;\n for (int i = 0; i < lightNum; i++){\n float ndotL,vdotR;\n vertLightDirection = lightDirectionVC[i];\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n }\n #ifdef localAmbientOcclusionOn\n return tColor.rgb * (diffuse * vDiffuse + vAmbient * ambient) + specular*vSpecular;\n #else\n return tColor.rgb * (diffuse * vDiffuse + vAmbient) + specular*vSpecular;\n #endif\n }\n #else\n vec3 applyLightingPositional(vec3 posIS, vec4 tColor, vec4 normal, vec3 posVC)\n {\n // everything in VC\n vec3 diffuse = vec3(0.0);\n vec3 specular = vec3(0.0);\n #ifdef localAmbientOcclusionOn\n vec3 ambient = vec3(0.0);\n #endif\n vec3 vertLightDirection;\n for (int i = 0; i < lightNum; i++){\n float distance,attenuation,ndotL,vdotR;\n vec3 lightDir;\n if (lightPositional[i] == 1){\n lightDir = lightDirectionVC[i];\n vertLightDirection = posVC - lightPositionVC[i];\n distance = length(vertLightDirection);\n vertLightDirection = normalize(vertLightDirection);\n attenuation = 1.0 / (lightAttenuation[i].x\n + lightAttenuation[i].y * distance\n + lightAttenuation[i].z * distance * distance);\n // per OpenGL standard cone angle is 90 or less for a spot light\n if (lightConeAngle[i] <= 90.0){\n float coneDot = dot(vertLightDirection, lightDir);\n if (coneDot >= cos(radians(lightConeAngle[i]))){ // if inside cone\n attenuation = attenuation * pow(coneDot, lightExponent[i]);\n }\n else {\n attenuation = 0.0;\n }\n }\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * attenuation * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * attenuation * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n } else {\n vertLightDirection = lightDirectionVC[i];\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n }\n }\n #ifdef localAmbientOcclusionOn\n return tColor.rgb * (diffuse * vDiffuse + vAmbient * ambient) + specular*vSpecular;\n #else\n return tColor.rgb * (diffuse * vDiffuse + vAmbient) + specular*vSpecular;\n #endif\n }\n #endif\n #endif\n#endif\n\n//=======================================================================\n// Given a texture value compute the color and opacity\n//\nvec4 getColorForValue(vec4 tValue, vec3 posIS, vec3 tstep)\n{\n#ifdef vtkImageLabelOutlineOn\n vec3 centerPosIS = fragCoordToIndexSpace(gl_FragCoord); // pos in texture space\n vec4 centerValue = getTextureValue(centerPosIS);\n bool pixelOnBorder = false;\n vec4 tColor = texture2D(ctexture, vec2(centerValue.r * cscale0 + cshift0, 0.5));\n\n // Get alpha of segment from opacity function.\n tColor.a = texture2D(otexture, vec2(centerValue.r * oscale0 + oshift0, 0.5)).r;\n\n int segmentIndex = int(centerValue.r * 255.0);\n \n // Use texture sampling for outlineThickness\n float textureCoordinate = float(segmentIndex - 1) / 1024.0;\n float textureValue = texture2D(ttexture, vec2(textureCoordinate, 0.5)).r;\n\n int actualThickness = int(textureValue * 255.0);\n\n if (actualThickness == 0) {\n return vec4(0, 0, 1, 1);\n }\n\n // Only perform outline check on fragments rendering voxels that aren't invisible.\n // Saves a bunch of needless checks on the background.\n // TODO define epsilon when building shader?\n if (float(tColor.a) > 0.01) {\n for (int i = -actualThickness; i <= actualThickness; i++) {\n for (int j = -actualThickness; j <= actualThickness; j++) {\n if (i == 0 || j == 0) {\n continue;\n }\n\n vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n gl_FragCoord.y + float(j),\n gl_FragCoord.z, gl_FragCoord.w);\n\n vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n vec4 value = getTextureValue(neighborPosIS);\n\n // If any of my neighbours are not the same value as I\n // am, this means I am on the border of the segment.\n // We can break the loops\n if (any(notEqual(value, centerValue))) {\n pixelOnBorder = true;\n break;\n }\n }\n\n if (pixelOnBorder == true) {\n break;\n }\n }\n\n // If I am on the border, I am displayed at full opacity\n if (pixelOnBorder == true) {\n tColor.a = outlineOpacity;\n }\n }\n\n#else\n // compute the normal and gradient magnitude if needed\n // We compute it as a vec4 if possible otherwise a mat4\n //\n vec4 goFactor = vec4(1.0,1.0,1.0,1.0);\n\n // compute the normal vectors as needed\n #if (vtkLightComplexity > 0) || defined(vtkGradientOpacityOn)\n #if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\n mat4 normalMat = computeMat4Normal(posIS, tValue, tstep);\n #if !defined(vtkComponent0Proportional)\n vec4 normal0 = normalMat[0];\n #endif\n #if !defined(vtkComponent1Proportional)\n vec4 normal1 = normalMat[1];\n #endif\n #if vtkNumComponents > 2\n #if !defined(vtkComponent2Proportional)\n vec4 normal2 = normalMat[2];\n #endif\n #if vtkNumComponents > 3\n #if !defined(vtkComponent3Proportional)\n vec4 normal3 = normalMat[3];\n #endif\n #endif\n #endif\n #else\n vec4 normalLight;\n #ifdef vtkComputeNormalFromOpacity\n vec3 scalarInterp[2];\n vec4 normal0 = computeNormalForDensity(posIS, tstep, scalarInterp);\n if (length(normal0)>0.0){\n #ifdef vtkGradientOpacityOn\n normalLight = computeDensityNormal(normal0.w, scalarInterp);\n #else\n normalLight = computeDensityNormal(scalarInterp);\n #endif\n if (length(normalLight) == 0.0){\n normalLight = normal0;\n }\n }\n #else\n vec4 normal0 = computeNormal(posIS, tstep);\n normalLight = normal0;\n #endif\n #endif\n #endif\n\n // compute gradient opacity factors as needed\n #if defined(vtkGradientOpacityOn)\n #if !defined(vtkComponent0Proportional)\n goFactor.x =\n computeGradientOpacityFactor(normal0.a, goscale0, goshift0, gomin0, gomax0);\n #endif\n #if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\n #if !defined(vtkComponent1Proportional)\n goFactor.y =\n computeGradientOpacityFactor(normal1.a, goscale1, goshift1, gomin1, gomax1);\n #endif\n #if vtkNumComponents > 2\n #if !defined(vtkComponent2Proportional)\n goFactor.z =\n computeGradientOpacityFactor(normal2.a, goscale2, goshift2, gomin2, gomax2);\n #endif\n #if vtkNumComponents > 3\n #if !defined(vtkComponent3Proportional)\n goFactor.w =\n computeGradientOpacityFactor(normal3.a, goscale3, goshift3, gomin3, gomax3);\n #endif\n #endif\n #endif\n #endif\n #endif\n\n // single component is always independent\n #if vtkNumComponents == 1\n vec4 tColor = texture2D(ctexture, vec2(tValue.r * cscale0 + cshift0, 0.5));\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n if (tColor.a < EPSILON){\n return vec4(0.0);\n }\n #endif\n\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n vec4 tColor = mix0*texture2D(ctexture, vec2(tValue.r * cscale0 + cshift0, height0));\n #if !defined(vtkComponent0Proportional)\n tColor.a = goFactor.x*mix0*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, height0)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, height0)).r;\n tColor *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix0));\n #endif\n\n vec3 tColor1 = mix1*texture2D(ctexture, vec2(tValue.g * cscale1 + cshift1, height1)).rgb;\n #if !defined(vtkComponent1Proportional)\n tColor.a += goFactor.y*mix1*texture2D(otexture, vec2(tValue.g * oscale1 + oshift1, height1)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.g * oscale1 + oshift1, height1)).r;\n tColor1 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix1));\n #endif\n\n #if vtkNumComponents >= 3\n vec3 tColor2 = mix2*texture2D(ctexture, vec2(tValue.b * cscale2 + cshift2, height2)).rgb;\n #if !defined(vtkComponent2Proportional)\n tColor.a += goFactor.z*mix2*texture2D(otexture, vec2(tValue.b * oscale2 + oshift2, height2)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.b * oscale2 + oshift2, height2)).r;\n tColor2 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix2));\n #endif\n\n #if vtkNumComponents >= 4\n vec3 tColor3 = mix3*texture2D(ctexture, vec2(tValue.a * cscale3 + cshift3, height3)).rgb;\n #if !defined(vtkComponent3Proportional)\n tColor.a += goFactor.w*mix3*texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, height3)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, height3)).r;\n tColor3 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix3));\n #endif\n #endif\n #endif\n #else // then not independent\n\n #if vtkNumComponents == 2\n float lum = tValue.r * cscale0 + cshift0;\n float alpha = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale1 + oshift1, 0.5)).r;\n vec4 tColor = vec4(lum, lum, lum, alpha);\n #endif\n #if vtkNumComponents == 3\n vec4 tColor;\n tColor.r = tValue.r * cscale0 + cshift0;\n tColor.g = tValue.g * cscale1 + cshift1;\n tColor.b = tValue.b * cscale2 + cshift2;\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale0 + oshift0, 0.5)).r;\n #endif\n #if vtkNumComponents == 4\n vec4 tColor;\n tColor.r = tValue.r * cscale0 + cshift0;\n tColor.g = tValue.g * cscale1 + cshift1;\n tColor.b = tValue.b * cscale2 + cshift2;\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, 0.5)).r;\n #endif\n #endif // dependent\n\n // apply lighting if requested as appropriate\n #if vtkLightComplexity > 0\n #if !defined(vtkComponent0Proportional)\n #if vtkNumComponents == 1\n #ifdef SurfaceShadowOn\n #if vtkLightComplexity < 3\n vec3 tColorS = applyLightingDirectional(posIS, tColor, normalLight);\n #else\n vec3 tColorS = applyLightingPositional(posIS, tColor, normalLight, IStoVC(posIS));\n #endif\n #endif\n\n #ifdef VolumeShadowOn\n vec3 tColorVS = applyShadowRay(tColor.rgb, posIS, rayDirVC);\n #ifdef SurfaceShadowOn\n float vol_coef = volumetricScatteringBlending * (1.0 - tColor.a / 2.0) * (1.0 - atan(normalLight.w) * INV4PI);\n tColor.rgb = (1.0-vol_coef) * tColorS + vol_coef * tColorVS;\n #else\n tColor.rgb = tColorVS;\n #endif\n #else\n tColor.rgb = tColorS;\n #endif\n\n #else\n applyLighting(tColor.rgb, normal0);\n #endif\n #endif\n\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n #if !defined(vtkComponent1Proportional)\n applyLighting(tColor1, normal1);\n #endif\n #if vtkNumComponents >= 3\n #if !defined(vtkComponent2Proportional)\n applyLighting(tColor2, normal2);\n #endif\n #if vtkNumComponents >= 4\n #if !defined(vtkComponent3Proportional)\n applyLighting(tColor3, normal3);\n #endif\n #endif\n #endif\n #endif\n #endif\n\n// perform final independent blend as needed\n#if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n tColor.rgb += tColor1;\n#if vtkNumComponents >= 3\n tColor.rgb += tColor2;\n#if vtkNumComponents >= 4\n tColor.rgb += tColor3;\n#endif\n#endif\n#endif\n\n#endif\nreturn tColor;\n}\n\nbool valueWithinScalarRange(vec4 val, vec4 min, vec4 max) {\n bool withinRange = false;\n #if vtkNumComponents == 1\n if (val.r >= min.r && val.r <= max.r) {\n withinRange = true;\n }\n #endif\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents == 2\n if (val.r >= min.r && val.r <= max.r &&\n val.g >= min.g && val.g <= max.g) {\n withinRange = true;\n }\n #endif\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 3\n if (all(greaterThanEqual(val, ipScalarRangeMin)) &&\n all(lessThanEqual(val, ipScalarRangeMax))) {\n withinRange = true;\n }\n #endif\n return withinRange;\n}\n\n//=======================================================================\n// Apply the specified blend mode operation along the ray's path.\n//\nvoid applyBlend(vec3 posIS, vec3 endIS, vec3 tdims)\n{\n vec3 tstep = 1.0/tdims;\n\n // start slightly inside and apply some jitter\n vec3 delta = endIS - posIS;\n vec3 stepIS = normalize(delta)*sampleDistanceIS;\n float raySteps = length(delta)/sampleDistanceIS;\n\n // avoid 0.0 jitter\n float jitter = 0.01 + 0.99*texture2D(jtexture, gl_FragCoord.xy/32.0).r;\n float stepsTraveled = jitter;\n\n // local vars for the loop\n vec4 color = vec4(0.0, 0.0, 0.0, 0.0);\n vec4 tValue;\n vec4 tColor;\n\n // if we have less than one step then pick the middle point\n // as our value\n // if (raySteps <= 1.0)\n // {\n // posIS = (posIS + endIS)*0.5;\n // }\n\n // Perform initial step at the volume boundary\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n #if vtkBlendMode == 0 // COMPOSITE_BLEND\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n\n // handle very thin volumes\n if (raySteps <= 1.0)\n {\n tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps);\n gl_FragData[0] = tColor;\n return;\n }\n\n tColor.a = 1.0 - pow(1.0 - tColor.a, jitter);\n color = vec4(tColor.rgb*tColor.a, tColor.a);\n posIS += (jitter*stepIS);\n\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n\n float mix = (1.0 - color.a);\n\n // this line should not be needed but nvidia seems to not handle\n // the break correctly on windows/chrome 58 angle\n //mix = mix * sign(max(raySteps - stepsTraveled - 1.0, 0.0));\n\n color = color + vec4(tColor.rgb*tColor.a, tColor.a)*mix;\n stepsTraveled++;\n posIS += stepIS;\n if (color.a > 0.99) { color.a = 1.0; break; }\n }\n\n if (color.a < 0.99 && (raySteps - stepsTraveled) > 0.0)\n {\n posIS = endIS;\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps - stepsTraveled);\n\n float mix = (1.0 - color.a);\n color = color + vec4(tColor.rgb*tColor.a, tColor.a)*mix;\n }\n\n gl_FragData[0] = vec4(color.rgb/color.a, color.a);\n #endif\n #if vtkBlendMode == 1 || vtkBlendMode == 2\n // MAXIMUM_INTENSITY_BLEND || MINIMUM_INTENSITY_BLEND\n // Find maximum/minimum intensity along the ray.\n\n // Define the operation we will use (min or max)\n #if vtkBlendMode == 1\n #define OP max\n #else\n #define OP min\n #endif\n\n // If the clipping range is shorter than the sample distance\n // we can skip the sampling loop along the ray.\n if (raySteps <= 1.0)\n {\n gl_FragData[0] = getColorForValue(tValue, posIS, tstep);\n return;\n }\n\n vec4 value = tValue;\n posIS += (jitter*stepIS);\n\n // Sample along the ray until MaximumSamplesValue,\n // ending slightly inside the total distance\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n // If we have reached the last step, break\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // Update the maximum value if necessary\n value = OP(tValue, value);\n\n // Otherwise, continue along the ray\n stepsTraveled++;\n posIS += stepIS;\n }\n\n // Perform the last step along the ray using the\n // residual distance\n posIS = endIS;\n tValue = getTextureValue(posIS);\n value = OP(tValue, value);\n\n // Now map through opacity and color\n gl_FragData[0] = getColorForValue(value, posIS, tstep);\n #endif\n #if vtkBlendMode == 3 || vtkBlendMode == 4 //AVERAGE_INTENSITY_BLEND || ADDITIVE_BLEND\n vec4 sum = vec4(0.);\n\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n sum += tValue;\n }\n\n if (raySteps <= 1.0) {\n gl_FragData[0] = getColorForValue(sum, posIS, tstep);\n return;\n }\n\n posIS += (jitter*stepIS);\n\n // Sample along the ray until MaximumSamplesValue,\n // ending slightly inside the total distance\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n // If we have reached the last step, break\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // One can control the scalar range by setting the AverageIPScalarRange to disregard scalar values, not in the range of interest, from the average computation.\n // Notes:\n // - We are comparing all values in the texture to see if any of them\n // are outside of the scalar range. In the future we might want to allow\n // scalar ranges for each component.\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n // Sum the values across each step in the path\n sum += tValue;\n }\n stepsTraveled++;\n posIS += stepIS;\n }\n\n // Perform the last step along the ray using the\n // residual distance\n posIS = endIS;\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // One can control the scalar range by setting the IPScalarRange to disregard scalar values, not in the range of interest, from the average computation\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n sum += tValue;\n\n stepsTraveled++;\n }\n\n #if vtkBlendMode == 3 // Average\n sum /= vec4(stepsTraveled, stepsTraveled, stepsTraveled, 1.0);\n #endif\n\n gl_FragData[0] = getColorForValue(sum, posIS, tstep);\n #endif\n #if vtkBlendMode == 5 // RADON\n float normalizedRayIntensity = 1.0;\n\n // handle very thin volumes\n if (raySteps <= 1.0)\n {\n tValue = getTextureValue(posIS);\n normalizedRayIntensity = normalizedRayIntensity - sampleDistance*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n gl_FragData[0] = texture2D(ctexture, vec2(normalizedRayIntensity, 0.5));\n return;\n }\n\n posIS += (jitter*stepIS);\n\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar value\n tValue = getTextureValue(posIS);\n\n // Convert scalar value to normalizedRayIntensity coefficient and accumulate normalizedRayIntensity\n normalizedRayIntensity = normalizedRayIntensity - sampleDistance*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n\n posIS += stepIS;\n stepsTraveled++;\n }\n\n // map normalizedRayIntensity to color\n gl_FragData[0] = texture2D(ctexture, vec2(normalizedRayIntensity , 0.5));\n\n #endif\n}\n\n//=======================================================================\n// Compute a new start and end point for a given ray based\n// on the provided bounded clipping plane (aka a rectangle)\nvoid getRayPointIntersectionBounds(\n vec3 rayPos, vec3 rayDir,\n vec3 planeDir, float planeDist,\n inout vec2 tbounds, vec3 vPlaneX, vec3 vPlaneY,\n float vSize1, float vSize2)\n{\n float result = dot(rayDir, planeDir);\n if (abs(result) < 1e-6)\n {\n return;\n }\n result = -1.0 * (dot(rayPos, planeDir) + planeDist) / result;\n vec3 xposVC = rayPos + rayDir*result;\n vec3 vxpos = xposVC - vOriginVC;\n vec2 vpos = vec2(\n dot(vxpos, vPlaneX),\n dot(vxpos, vPlaneY));\n\n // on some apple nvidia systems this does not work\n // if (vpos.x < 0.0 || vpos.x > vSize1 ||\n // vpos.y < 0.0 || vpos.y > vSize2)\n // even just\n // if (vpos.x < 0.0 || vpos.y < 0.0)\n // fails\n // so instead we compute a value that represents in and out\n //and then compute the return using this value\n float xcheck = max(0.0, vpos.x * (vpos.x - vSize1)); // 0 means in bounds\n float check = sign(max(xcheck, vpos.y * (vpos.y - vSize2))); // 0 means in bounds, 1 = out\n\n tbounds = mix(\n vec2(min(tbounds.x, result), max(tbounds.y, result)), // in value\n tbounds, // out value\n check); // 0 in 1 out\n}\n\n//=======================================================================\n// given a\n// - ray direction (rayDir)\n// - starting point (vertexVCVSOutput)\n// - bounding planes of the volume\n// - optionally depth buffer values\n// - far clipping plane\n// compute the start/end distances of the ray we need to cast\nvec2 computeRayDistances(vec3 rayDir, vec3 tdims)\n{\n vec2 dists = vec2(100.0*camFar, -1.0);\n\n vec3 vSize = vSpacing*tdims;\n\n // all this is in View Coordinates\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal0, vPlaneDistance0, dists, vPlaneNormal2, vPlaneNormal4,\n vSize.y, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal1, vPlaneDistance1, dists, vPlaneNormal2, vPlaneNormal4,\n vSize.y, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal2, vPlaneDistance2, dists, vPlaneNormal0, vPlaneNormal4,\n vSize.x, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal3, vPlaneDistance3, dists, vPlaneNormal0, vPlaneNormal4,\n vSize.x, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal4, vPlaneDistance4, dists, vPlaneNormal0, vPlaneNormal2,\n vSize.x, vSize.y);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal5, vPlaneDistance5, dists, vPlaneNormal0, vPlaneNormal2,\n vSize.x, vSize.y);\n\n //VTK::ClipPlane::Impl\n\n // do not go behind front clipping plane\n dists.x = max(0.0,dists.x);\n\n // do not go PAST far clipping plane\n float farDist = -camThick/rayDir.z;\n dists.y = min(farDist,dists.y);\n\n // Do not go past the zbuffer value if set\n // This is used for intermixing opaque geometry\n //VTK::ZBuffer::Impl\n\n return dists;\n}\n\n//=======================================================================\n// Compute the index space starting position (pos) and end\n// position\n//\nvoid computeIndexSpaceValues(out vec3 pos, out vec3 endPos, vec3 rayDir, vec2 dists)\n{\n // compute starting and ending values in volume space\n pos = vertexVCVSOutput + dists.x*rayDir;\n pos = pos - vOriginVC;\n // convert to volume basis and origin\n pos = vec3(\n dot(pos, vPlaneNormal0),\n dot(pos, vPlaneNormal2),\n dot(pos, vPlaneNormal4));\n\n endPos = vertexVCVSOutput + dists.y*rayDir;\n endPos = endPos - vOriginVC;\n endPos = vec3(\n dot(endPos, vPlaneNormal0),\n dot(endPos, vPlaneNormal2),\n dot(endPos, vPlaneNormal4));\n\n float delta = length(endPos - pos);\n\n pos *= vVCToIJK;\n endPos *= vVCToIJK;\n\n float delta2 = length(endPos - pos);\n sampleDistanceIS = sampleDistance*delta2/delta;\n #ifdef VolumeShadowOn\n sampleDistanceISVS = sampleDistanceIS * volumeShadowSamplingDistFactor;\n #endif\n}\n\nvoid main()\n{\n\n if (cameraParallel == 1)\n {\n // Camera is parallel, so the rayDir is just the direction of the camera.\n rayDirVC = vec3(0.0, 0.0, -1.0);\n } else {\n // camera is at 0,0,0 so rayDir for perspective is just the vc coord\n rayDirVC = normalize(vertexVCVSOutput);\n }\n\n vec3 tdims = vec3(volumeDimensions);\n\n // compute the start and end points for the ray\n vec2 rayStartEndDistancesVC = computeRayDistances(rayDirVC, tdims);\n\n // do we need to composite? aka does the ray have any length\n // If not, bail out early\n if (rayStartEndDistancesVC.y <= rayStartEndDistancesVC.x)\n {\n discard;\n }\n\n // IS = Index Space\n vec3 posIS;\n vec3 endIS;\n computeIndexSpaceValues(posIS, endIS, rayDirVC, rayStartEndDistancesVC);\n\n // Perform the blending operation along the ray\n applyBlend(posIS, endIS, tdims);\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let a=n.Fragment;o.getProperty().getInterpolationType()===_g&&(a=xd.substitute(a,"//VTK::TrilinearOn","#define vtkTrilinearOn").result),!0===o.getProperty().getUseLabelOutline()&&(a=xd.substitute(a,"//VTK::ImageLabelOutlineOn","#define vtkImageLabelOutlineOn").result);const i=t.scalarTexture.getComponents();a=xd.substitute(a,"//VTK::NumComponents",`#define vtkNumComponents ${i}`).result;const s=o.getProperty().getIndependentComponents();if(s){a=xd.substitute(a,"//VTK::IndependentComponentsOn","#define vtkIndependentComponentsOn").result;const e=[];for(let t=0;t0&&(a=xd.substitute(a,"//VTK::vtkProportionalComponents",e.join("\n")).result)}const l=t.currentInput.getSpatialExtent(),c=t.currentInput.getSpacing(),u=new Float64Array(3);Pn(u,(l[1]-l[0])*c[0],(l[3]-l[2])*c[1],(l[5]-l[4])*c[2]);const d=Sn(u)/e.getCurrentSampleDistance(r);a=xd.substitute(a,"//VTK::MaximumSamplesValue",`${Math.ceil(d)}`).result,a=xd.substitute(a,"//VTK::LightComplexity",`#define vtkLightComplexity ${t.lastLightComplexity}`).result,t.lastLightComplexity>0&&(t.renderable.getVolumetricScatteringBlending()>0&&(a=xd.substitute(a,"//VTK::VolumeShadowOn","#define VolumeShadowOn").result),t.renderable.getVolumetricScatteringBlending()<1&&(a=xd.substitute(a,"//VTK::SurfaceShadowOn","#define SurfaceShadowOn").result),t.renderable.getLocalAmbientOcclusion()&&o.getProperty().getAmbient()>0&&(a=xd.substitute(a,"//VTK::localAmbientOcclusionOn","#define localAmbientOcclusionOn").result)),t.gopacity=o.getProperty().getUseGradientOpacity(0);for(let e=1;s&&!t.gopacity&&e{if(0===t.lastLightComplexity)return;let o=e.Fragment,a=0;n.getLights().forEach((e=>{e.getSwitch()&&(a+=1)})),o=xd.substitute(o,"//VTK::Light::Dec",["uniform int lightNum;","uniform bool twoSidedLighting;",`uniform vec3 lightColor[${a}];`,`uniform vec3 lightDirectionVC[${a}]; // normalized`,`uniform vec3 lightHalfAngleVC[${a}];`,"//VTK::Light::Dec"],!1).result,3===t.lastLightComplexity&&(o=xd.substitute(o,"//VTK::Light::Dec",[`uniform vec3 lightPositionVC[${a}];`,`uniform vec3 lightAttenuation[${a}];`,`uniform float lightConeAngle[${a}];`,`uniform float lightExponent[${a}];`,`uniform int lightPositional[${a}];`],!1).result),t.renderable.getVolumetricScatteringBlending()>0&&(o=xd.substitute(o,"//VTK::VolumeShadow::Dec",["uniform float volumetricScatteringBlending;","uniform float giReach;","uniform float volumeShadowSamplingDistFactor;","uniform float anisotropy;","uniform float anisotropy2;"],!1).result),t.renderable.getLocalAmbientOcclusion()&&r.getProperty().getAmbient()>0&&(o=xd.substitute(o,"//VTK::LAO::Dec",["uniform int kernelRadius;",`uniform vec2 kernelSample[${t.renderable.getLAOKernelRadius()}];`,"uniform int kernelSize;"],!1).result),e.Fragment=o},e.replaceShaderClippingPlane=(e,n,r)=>{let o=e.Fragment;if(t.renderable.getClippingPlanes().length>0){const e=t.renderable.getClippingPlanes().length;o=xd.substitute(o,"//VTK::ClipPlane::Dec",["uniform vec3 vClipPlaneNormals[6];","uniform float vClipPlaneDistances[6];","uniform vec3 vClipPlaneOrigins[6];","uniform int clip_numPlanes;","//VTK::ClipPlane::Dec","#define vtkClippingPlanesOn"],!1).result,o=xd.substitute(o,"//VTK::ClipPlane::Impl",[`for(int i = 0; i < ${e}; i++) {`," float rayDirRatio = dot(rayDir, vClipPlaneNormals[i]);"," float equationResult = dot(vertexVCVSOutput, vClipPlaneNormals[i]) + vClipPlaneDistances[i];"," if (rayDirRatio == 0.0)"," {"," if (equationResult < 0.0) dists.x = dists.y;"," continue;"," }"," float result = -1.0 * equationResult / rayDirRatio;"," if (rayDirRatio < 0.0) dists.y = min(dists.y, result);"," else dists.x = max(dists.x, result);","}","//VTK::ClipPlane::Impl"],!1).result}e.Fragment=o},e.getNeedToRebuildShaders=(n,r,o)=>{let a=0;o.getProperty().getShade()&&t.renderable.getBlendMode()===Ug&&(a=0,t.numberOfLights=0,r.getLights().forEach((e=>{e.getSwitch()>0&&(t.numberOfLights++,0===a&&(a=1)),1===a&&(t.numberOfLights>1||1!==e.getIntensity()||!e.lightTypeIsHeadLight())&&(a=2),a<3&&e.getPositional()&&(a=3)})));let i=!1;t.lastLightComplexity!==a&&(t.lastLightComplexity=a,i=!0);const s=t.scalarTexture.getComponents(),l=o.getProperty().getIndependentComponents();let c=!1;const u=[];if(l){for(let e=0;e0&&(c=!0)}const d=t.currentInput.getSpatialExtent(),p=t.currentInput.getSpacing(),f=new Float64Array(3);Pn(f,(d[1]-d[0])*p[0],(d[3]-d[2])*p[1],(d[5]-d[4])*p[2]);const g=Sn(f)/e.getCurrentSampleDistance(r),m={interpolationType:o.getProperty().getInterpolationType(),useLabelOutline:o.getProperty().getUseLabelOutline(),numComp:s,usesProportionalComponents:c,iComps:l,maxSamples:g,useGradientOpacity:o.getProperty().getUseGradientOpacity(0),blendMode:t.renderable.getBlendMode(),proportionalComponents:u};return t.previousState&&t.previousState.interpolationType===m.interpolationType&&t.previousState.useLabelOutline===m.useLabelOutline&&t.previousState.numComp===m.numComp&&t.previousState.usesProportionalComponents===m.usesProportionalComponents&&t.previousState.iComps===m.iComps&&t.previousState.maxSamples===m.maxSamples&&t.previousState.useGradientOpacity===m.useGradientOpacity&&t.previousState.blendMode===m.blendMode&&function(e,t){if(e.length!==t.length)return!1;for(let n=0;n{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(a,r,o);const i=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==n.getProgram()&&(n.setProgram(i),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o),e.getClippingPlaneShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const a=n.getProgram();n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(a.isAttributeUsed("vertexDC")&&(n.getVAO().addAttributeArray(a,n.getCABO(),"vertexDC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||$g("Error setting vertexDC in shader VAO.")),n.getAttributeUpdateTime().modified()),a.setUniformi("texture1",t.scalarTexture.getTextureUnit()),a.setUniformf("sampleDistance",e.getCurrentSampleDistance(r));const i=t.scalarTexture.getVolumeInfo(),s=t.renderable.getIpScalarRange(),l=[],c=[];for(let e=0;e<4;e++)l[e]=s[0]*i.dataComputedScale[e]+i.dataComputedOffset[e],c[e]=s[1]*i.dataComputedScale[e]+i.dataComputedOffset[e],l[e]=(l[e]-i.offset[e])/i.scale[e],c[e]=(c[e]-i.offset[e])/i.scale[e];if(a.setUniform4f("ipScalarRangeMin",l[0],l[1],l[2],l[3]),a.setUniform4f("ipScalarRangeMax",c[0],c[1],c[2],c[3]),null!==t.zBufferTexture){a.setUniformi("zBufferTexture",t.zBufferTexture.getTextureUnit());const e=t._useSmallViewport?[t._smallViewportWidth,t._smallViewportHeight]:t._openGLRenderWindow.getFramebufferSize();a.setUniformf("vpZWidth",e[0]),a.setUniformf("vpZHeight",e[1])}},e.setCameraShaderParameters=(n,r,o)=>{const a=t.openGLCamera.getKeyMatrices(r),i=t.openGLVolume.getKeyMatrices();b(t.modelToView,a.wcvc,i.mcwc);const s=n.getProgram(),l=t.openGLCamera.getRenderable(),c=l.getClippingRange();s.setUniformf("camThick",c[1]-c[0]),s.setUniformf("camNear",c[0]),s.setUniformf("camFar",c[1]);const u=t.currentInput.getBounds(),d=t.currentInput.getDimensions(),p=new Float64Array(3),f=new Float64Array(3);let g=1,m=-1,v=1,y=-1;for(let e=0;e<8;++e)Pn(p,u[e%2],u[2+Math.floor(e/2)%2],u[4+Math.floor(e/4)]),Ln(p,p,t.modelToView),l.getParallelProjection()||(Vn(f,p),On(p,f,-c[0]/p[2])),Ln(p,p,a.vcpc),g=Math.min(p[0],g),m=Math.max(p[0],m),v=Math.min(p[1],v),y=Math.max(p[1],y);s.setUniformf("dcxmin",g),s.setUniformf("dcxmax",m),s.setUniformf("dcymin",v),s.setUniformf("dcymax",y),s.isUniformUsed("cameraParallel")&&s.setUniformi("cameraParallel",l.getParallelProjection());const x=t.currentInput.getSpatialExtent(),T=t.currentInput.getSpacing(),C=new Float64Array(3);Pn(C,(x[1]-x[0])*T[0],(x[3]-x[2])*T[1],(x[5]-x[4])*T[2]),s.setUniform3f("vSpacing",T[0],T[1],T[2]),Pn(p,x[0],x[2],x[4]),t.currentInput.indexToWorldVec3(p,p),Ln(p,p,t.modelToView),s.setUniform3f("vOriginVC",p[0],p[1],p[2]);const S=t.currentInput.getIndexToWorld();b(t.idxToView,t.modelToView,S),ve(t.idxNormalMatrix,a.normalMatrix,i.normalMatrix),ve(t.idxNormalMatrix,t.idxNormalMatrix,t.currentInput.getDirectionByReference());const A=Sn(C)/e.getCurrentSampleDistance(r);A>t.renderable.getMaximumSamplesPerRay()&&Kg(`The number of steps required ${Math.ceil(A)} is larger than the\n specified maximum number of steps ${t.renderable.getMaximumSamplesPerRay()}.\n Please either change the\n volumeMapper sampleDistance or its maximum number of samples.`);const P=new Float64Array(3);if(Pn(P,1,1,1),function(e,t,n){e[0]=t[0]/n[0],e[1]=t[1]/n[1],e[2]=t[2]/n[2]}(P,P,C),s.setUniform3f("vVCToIJK",P[0],P[1],P[2]),s.setUniform3i("volumeDimensions",d[0],d[1],d[2]),!t._openGLRenderWindow.getWebgl2()){const e=t.scalarTexture.getVolumeInfo();s.setUniformf("texWidth",t.scalarTexture.getWidth()),s.setUniformf("texHeight",t.scalarTexture.getHeight()),s.setUniformi("xreps",e.xreps),s.setUniformi("xstride",e.xstride),s.setUniformi("ystride",e.ystride)}const I=new Float64Array(3),w=new Float64Array(3);for(let e=0;e<6;++e){switch(e){case 1:Pn(I,-1,0,0),Pn(w,x[0],x[2],x[4]);break;case 2:Pn(I,0,1,0),Pn(w,x[1],x[3],x[5]);break;case 3:Pn(I,0,-1,0),Pn(w,x[0],x[2],x[4]);break;case 4:Pn(I,0,0,1),Pn(w,x[1],x[3],x[5]);break;case 5:Pn(I,0,0,-1),Pn(w,x[0],x[2],x[4]);break;default:Pn(I,1,0,0),Pn(w,x[1],x[3],x[5])}Bn(I,I,t.idxNormalMatrix),Ln(w,w,t.idxToView);const n=-1*En(w,I);s.setUniform3f(`vPlaneNormal${e}`,I[0],I[1],I[2]),s.setUniformf(`vPlaneDistance${e}`,n)}if(o.getProperty().getUseLabelOutline()){const n=t.currentInput.getWorldToIndex();s.setUniformMatrix("vWCtoIDX",n);const o=r.getActiveCamera(),[a,i]=o.getClippingRange(),l=o.getDistance();o.setClippingRange(l,l+.1);const c=t.openGLCamera.getKeyMatrices(r);h(t.projectionToWorld,c.wcpc),o.setClippingRange(a,i),t.openGLCamera.getKeyMatrices(r),s.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const u=e.getRenderTargetSize();s.setUniformf("vpWidth",u[0]),s.setUniformf("vpHeight",u[1]);const d=e.getRenderTargetOffset();s.setUniformf("vpOffsetX",d[0]/u[0]),s.setUniformf("vpOffsetY",d[1]/u[1])}if(h(t.projectionToView,a.vcpc),s.setUniformMatrix("PCVCMatrix",t.projectionToView),0===t.lastLightComplexity)return;let O=0;const M=[],R=[],V=[];if(r.getLights().forEach((e=>{if(e.getSwitch()>0){const t=e.getColor(),n=e.getIntensity();M[0+3*O]=t[0]*n,M[1+3*O]=t[1]*n,M[2+3*O]=t[2]*n;const r=e.getDirection();Pn(I,r[0],r[1],r[2]),Bn(I,I,a.normalMatrix),Vn(I,I),R[0+3*O]=I[0],R[1+3*O]=I[1],R[2+3*O]=I[2],V[0+3*O]=-.5*I[0],V[1+3*O]=-.5*I[1],V[2+3*O]=-.5*(I[2]-1),O++}})),s.setUniformi("twoSidedLighting",r.getTwoSidedLighting()),s.setUniformi("lightNum",O),s.setUniform3fv("lightColor",M),s.setUniform3fv("lightDirectionVC",R),s.setUniform3fv("lightHalfAngleVC",V),3===t.lastLightComplexity){O=0;const e=[],n=[],o=[],a=[],i=[];r.getLights().forEach((r=>{if(r.getSwitch()>0){const s=r.getAttenuationValues();n[0+3*O]=s[0],n[1+3*O]=s[1],n[2+3*O]=s[2],a[O]=r.getExponent(),o[O]=r.getConeAngle(),i[O]=r.getPositional();const l=r.getTransformedPosition();Ln(l,l,t.modelToView),e[0+3*O]=l[0],e[1+3*O]=l[1],e[2+3*O]=l[2],O+=1}})),s.setUniform3fv("lightPositionVC",e),s.setUniform3fv("lightAttenuation",n),s.setUniformfv("lightConeAngle",o),s.setUniformfv("lightExponent",a),s.setUniformiv("lightPositional",i)}if(t.renderable.getVolumetricScatteringBlending()>0&&(s.setUniformf("giReach",t.renderable.getGlobalIlluminationReach()),s.setUniformf("volumetricScatteringBlending",t.renderable.getVolumetricScatteringBlending()),s.setUniformf("volumeShadowSamplingDistFactor",t.renderable.getVolumeShadowSamplingDistFactor()),s.setUniformf("anisotropy",t.renderable.getAnisotropy()),s.setUniformf("anisotropy2",t.renderable.getAnisotropy()**2)),t.renderable.getLocalAmbientOcclusion()&&o.getProperty().getAmbient()>0){const e=t.renderable.getLAOKernelSize();s.setUniformi("kernelSize",e);const n=[];for(let t=0;t{const o=e.getProgram();o.setUniformi("ctexture",t.colorTexture.getTextureUnit()),o.setUniformi("otexture",t.opacityTexture.getTextureUnit()),o.setUniformi("jtexture",t.jitterTexture.getTextureUnit()),o.setUniformi("ttexture",t.labelOutlineThicknessTexture.getTextureUnit());const a=t.scalarTexture.getVolumeInfo(),i=r.getProperty(),s=t.scalarTexture.getComponents(),l=r.getProperty().getIndependentComponents();if(l&&s>=2)for(let e=0;e0&&(o.setUniformf("vAmbient",i.getAmbient()),o.setUniformf("vDiffuse",i.getDiffuse()),o.setUniformf("vSpecular",i.getSpecular()),o.setUniformf("vSpecularPower",i.getSpecularPower()))},e.getClippingPlaneShaderParameters=(e,n,r)=>{if(t.renderable.getClippingPlanes().length>0){const r=t.openGLCamera.getKeyMatrices(n),o=[],a=[],i=[],s=t.renderable.getClippingPlanes(),l=s.length;for(let e=0;e{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.getRenderTargetSize=()=>{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getCurrentSampleDistance=e=>{const n=e.getVTKWindow().getInteractor(),r=t.renderable.getSampleDistance();return n.isAnimating()?r*t.renderable.getInteractionSampleDistanceFactor():r},e.renderPieceStart=(n,r)=>{const o=n.getVTKWindow().getInteractor();if(t._lastScale||(t._lastScale=t.renderable.getInitialInteractionScale()),t._useSmallViewport=!1,o.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._animationRateSubscription||(t._animationRateSubscription=o.onAnimationFrameRateUpdate((()=>{if(t.renderable.getAutoAdjustSampleDistances()){const e=o.getRecentAnimationFrameRate(),n=o.getDesiredUpdateRate()/e;(n>1.15||n<.85)&&(t._lastScale*=n),t._lastScale>400&&(t._lastScale=400),t._lastScale<1.5&&(t._lastScale=1.5)}else t._lastScale=t.renderable.getImageSampleDistance()*t.renderable.getImageSampleDistance()}))),t._useSmallViewport){const e=t._openGLRenderWindow.getFramebufferSize(),n=1/Math.sqrt(t._lastScale);if(t._smallViewportWidth=Math.ceil(n*e[0]),t._smallViewportHeight=Math.ceil(n*e[1]),t._smallViewportHeight>e[1]&&(t._smallViewportHeight=e[1]),t._smallViewportWidth>e[0]&&(t._smallViewportWidth=e[0]),t.framebuffer.saveCurrentBindingsAndBuffers(),null===t.framebuffer.getGLFramebuffer())t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer();else{const n=t.framebuffer.getSize();n[0]===e[0]&&n[1]===e[1]||(t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer())}t.framebuffer.bind();const r=t.context;r.clearColor(0,0,0,0),r.colorMask(!0,!0,!0,!0),r.clear(r.COLOR_BUFFER_BIT),r.viewport(0,0,t._smallViewportWidth,t._smallViewportHeight),t.fvp=[t._smallViewportWidth/e[0],t._smallViewportHeight/e[1]]}t.context.disable(t.context.DEPTH_TEST),e.updateBufferObjects(n,r),r.getProperty().getInterpolationType()===Fg?(t.scalarTexture.setMinificationFilter(Vd.NEAREST),t.scalarTexture.setMagnificationFilter(Vd.NEAREST)):(t.scalarTexture.setMinificationFilter(Vd.LINEAR),t.scalarTexture.setMagnificationFilter(Vd.LINEAR)),t.lastBoundBO=null,null!==t.zBufferTexture&&t.zBufferTexture.activate()},e.renderPieceDraw=(n,r)=>{const o=t.context;t.scalarTexture.activate(),t.opacityTexture.activate(),t.labelOutlineThicknessTexture.activate(),t.colorTexture.activate(),t.jitterTexture.activate(),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.scalarTexture.deactivate(),t.colorTexture.deactivate(),t.opacityTexture.deactivate(),t.labelOutlineThicknessTexture.deactivate(),t.jitterTexture.deactivate()},e.renderPieceFinish=(e,n)=>{if(null!==t.zBufferTexture&&t.zBufferTexture.deactivate(),t._useSmallViewport){if(t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader){t.copyShader=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","uniform vec2 tfactor;","varying vec2 tcoord;","void main() { tcoord = vec2(vertexDC.x*0.5 + 0.5, vertexDC.y*0.5 + 0.5) * tfactor; gl_Position = vertexDC; }"].join("\n"),["//VTK::System::Dec","//VTK::Output::Dec","uniform sampler2D texture1;","varying vec2 tcoord;","void main() { gl_FragData[0] = texture2D(texture1,tcoord); }"].join("\n"),"");const e=t.copyShader;t.copyVAO=Ad.newInstance(),t.copyVAO.setOpenGLRenderWindow(t._openGLRenderWindow),t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(e,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||$g("Error setting vertexDC in copy shader VAO.")}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(t.copyShader);const e=t._openGLRenderWindow.getFramebufferSize();t.context.viewport(0,0,e[0],e[1]);const n=t.framebuffer.getColorTexture();n.activate(),t.copyShader.setUniformi("texture",n.getTextureUnit()),t.copyShader.setUniform2f("tfactor",t.fvp[0],t.fvp[1]);const r=t.context;r.blendFuncSeparate(r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA),t.context.drawArrays(t.context.TRIANGLES,0,t.tris.getCABO().getElementCount()),n.deactivate(),r.blendFuncSeparate(r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):$g("No input!")},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():Ra(t.Bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const o=t.currentInput;if(!o)return;const a=o.getPointData()&&o.getPointData().getScalars();if(!a)return;t._scalars!==a&&(t._openGLRenderWindow.releaseGraphicsResourcesForObject(t._scalars),t._scalars=a);const i=r.getProperty();if(!t.jitterTexture.getHandle()){const e=new Uint8Array(1024);for(let t=0;t<1024;++t)e[t]=255*Math.random();t.jitterTexture.setMinificationFilter(Vd.LINEAR),t.jitterTexture.setMagnificationFilter(Vd.LINEAR),t.jitterTexture.create2DFromRaw(32,32,1,ws.UNSIGNED_CHAR,e)}const s=a.getNumberOfComponents(),l=i.getIndependentComponents()?s:1,c=i.getScalarOpacity(),u=t._openGLRenderWindow.getGraphicsResourceForObject(c);let d=qg(i,c,l);if(u.vtkObj&&u.hash===d&&t.opacityTextureString===d)t.opacityTexture=u.vtkObj,t.opacityTextureString=u.hash;else{const r=1024,o=2*r*l,a=new Float32Array(o),s=new Float32Array(r);for(let t=0;t1?1:-1,e[3*t+2]=-1;const n=new Uint16Array(8);n[0]=3,n[1]=0,n[2]=1,n[3]=3,n[4]=3,n[5]=0,n[6]=3,n[7]=2;const r=Us.newInstance({numberOfComponents:3,values:e});r.setName("points");const o=Us.newInstance({numberOfComponents:1,values:n});t.tris.getCABO().createVBO(o,"polys",ps.SURFACE,{points:r,cellOffset:0})}t.VBOBuildTime.modified()},e.updateLabelOutlineThicknessTexture=e=>{const n=e.getProperty().getLabelOutlineThickness(),r=t._openGLRenderWindow.getGraphicsResourceForObject(n),o=`${n.join("-")}`;if(r?.vtkObj&&r?.hash===o&&t.labelOutlineThicknessTextureString===o)t.labelOutlineThicknessTexture=r.vtkObj,t.labelOutlineThicknessTextureString=r.hash;else{const e=1024,r=1,a=new Uint8Array(e*r);for(let t=0;t2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Yg,n),Zt.extend(e,t,n),t.VBOBuildTime={},yt(t.VBOBuildTime,{mtime:0}),t.tris=Md.newInstance(),t.scalarTexture=$d.newInstance(),t.opacityTexture=$d.newInstance(),t.colorTexture=$d.newInstance(),t.jitterTexture=$d.newInstance(),t.jitterTexture.setWrapS(Rd.REPEAT),t.jitterTexture.setWrapT(Rd.REPEAT),t.labelOutlineThicknessTexture=$d.newInstance(),t.framebuffer=nf.newInstance(),t.idxToView=g(new Float64Array(16)),t.idxNormalMatrix=pe(new Float64Array(9)),t.modelToView=g(new Float64Array(16)),t.projectionToView=g(new Float64Array(16)),t.projectionToWorld=g(new Float64Array(16)),At(e,t,["context"]),Xg(e,t)}),"vtkOpenGLVolumeMapper");rn("vtkVolumeMapper",Zg);const{vtkDebugMacro:Qg}=Kt;function Jg(e,t){t.classHierarchy.push("vtkOpenGLPixelSpaceCallbackMapper"),e.opaquePass=(n,r)=>{t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent();const o=t._openGLRenderer.getAspectRatio(),a=t._openGLRenderer?t._openGLRenderer.getRenderable().getActiveCamera():null,i=t._openGLRenderer.getTiledSizeAndOrigin();let s=null;if(t.renderable.getUseZValues()){const e=r.getZBufferTexture(),n=Math.floor(e.getWidth()),o=Math.floor(e.getHeight()),a=t._openGLRenderWindow.getContext();e.bind();const i=r.getFramebuffer();i?i.saveCurrentBindingsAndBuffers():Qg("No framebuffer to save/restore");const l=a.createFramebuffer();a.bindFramebuffer(a.FRAMEBUFFER,l),a.framebufferTexture2D(a.FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,e.getHandle(),0),a.checkFramebufferStatus(a.FRAMEBUFFER)===a.FRAMEBUFFER_COMPLETE&&(s=new Uint8Array(n*o*4),a.viewport(0,0,n,o),a.readPixels(0,0,n,o,a.RGBA,a.UNSIGNED_BYTE,s)),i&&i.restorePreviousBindingsAndBuffers(),a.deleteFramebuffer(l)}t.renderable.invokeCallback(t.renderable.getInputData(),a,o,i,s)},e.queryPass=(e,n)=>{e&&t.renderable.getUseZValues()&&n.requestDepth()}}const em={};const tm=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,em,n),Zt.extend(e,t,n),Jg(e,t)}),"vtkOpenGLPixelSpaceCallbackMapper");rn("vtkPixelSpaceCallbackMapper",tm);var nm="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtktextureObjectVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexDC;\nattribute vec2 tcoordDC;\nvarying vec2 tcoordVC;\n\nvoid main()\n{\n tcoordVC = tcoordDC;\n gl_Position = vertexDC;\n}\n";const{Representation:rm}=xs;function om(e,t,n,r){let[o,a]=t;const i=e.getContext(),s=$d.newInstance({autoParameters:!1,wrapS:r,wrapT:r,minificationFilter:n,magnificationFilter:n,generateMipmap:!1,openGLDataType:i.FLOAT,baseLevel:0,maxLevel:0});return s.setOpenGLRenderWindow(e),s.setInternalFormat(i.RGBA32F),s.create2DFromRaw(o,a,4,"Float32Array",null),s.activate(),s.sendParameters(),s.deactivate(),s}function am(e,t){return om(e,t,$d.Filter.NEAREST,$d.Wrap.CLAMP_TO_EDGE)}function im(e,t){t.classHierarchy.push("vtkLICPingPongBufferManager"),t._openGLRenderWindow?(t.quad=function(e){const t=Md.newInstance();t.setOpenGLRenderWindow(e);const n=new Float32Array(12);for(let e=0;e<4;e++)n[3*e]=e%2*2-1,n[3*e+1]=e>1?1:-1,n[3*e+2]=0;const r=new Float32Array([0,0,1,0,0,1,1,1]),o=new Uint16Array(8);o[0]=3,o[1]=0,o[2]=1,o[3]=3,o[4]=3,o[5]=0,o[6]=3,o[7]=2;const a=Us.newInstance({numberOfComponents:3,values:n});a.setName("points");const i=Us.newInstance({numberOfComponents:1,values:o}),s=Us.newInstance({numberOfComponents:2,values:r});return t.getCABO().createVBO(i,"polys",rm.SURFACE,{points:a,cellOffset:0,tcoords:s}),t}(t._openGLRenderWindow),t.context=t._openGLRenderWindow.getContext(),t.licTexture0=am(t._openGLRenderWindow,t.size),t.seedTexture0=am(t._openGLRenderWindow,t.size),t.licTexture1=am(t._openGLRenderWindow,t.size),t.seedTexture1=am(t._openGLRenderWindow,t.size),t.eeTexture=t.doEEPass?om(t._openGLRenderWindow,t.size,$d.Filter.NEAREST,$d.Wrap.CLAMP_TO_EDGE):null,t.imageVectorTexture=t.doVTPass?function(e,t){return om(e,t,$d.Filter.LINEAR,$d.Wrap.CLAMP_TO_EDGE)}(t._openGLRenderWindow,t.size):null,t.pingTextures[0]=t.licTexture0,t.pingTextures[1]=t.seedTexture0,t.pongTextures[0]=t.licTexture1,t.pongTextures[1]=t.seedTexture1,t.textures[0]=t.pingTextures,t.textures[1]=t.pongTextures,e.swap=()=>{t.readIndex=1-t.readIndex},e.renderQuad=(e,n)=>{const r=t.quad,o=t.context;let a=t.quadVAO;a||(a=Ad.newInstance(),a.setOpenGLRenderWindow(t._openGLRenderWindow),t.quadVAO=a),t.previousProgramHash!==n.getMd5Hash()&&(a.shaderProgramChanged(),r.getCABO().bind(),a.addAttributeArray(n,r.getCABO(),"vertexDC",r.getCABO().getVertexOffset(),r.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE),a.addAttributeArray(n,r.getCABO(),"tcoordDC",r.getCABO().getTCoordOffset(),r.getCABO().getStride(),t.context.FLOAT,2,t.context.FALSE),t.previousProgramHash=n.getMd5Hash()),o.drawArrays(o.TRIANGLES,0,r.getCABO().getElementCount()),a.release()},e.getLastLICBuffer=()=>0===t.readIndex?t.licTexture0:t.licTexture1,e.getLastSeedBuffer=()=>0===t.readIndex?t.seedTexture0:t.seedTexture1,e.getLICBuffer=()=>1-t.readIndex==0?t.licTexture0:t.licTexture1,e.getSeedBuffer=()=>1-t.readIndex==0?t.seedTexture0:t.seedTexture1,e.getLICTextureUnit=()=>{const e=t.textures[t.readIndex][0];return e.activate(),e.getTextureUnit()},e.getSeedTextureUnit=()=>{const e=t.textures[t.readIndex][1];return e.activate(),e.getTextureUnit()},e.getNoiseTextureUnit=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return 0===e?(t.noiseTexture.activate(),t.noiseTexture.getTextureUnit()):(t.eeTexture.activate(),t.eeTexture.getTextureUnit())},e.getVectorTextureUnit=()=>(t.vectorTexture.activate(),t.vectorTexture.getTextureUnit()),e.getImageVectorTextureUnit=()=>t.imageVectorTexture?(t.imageVectorTexture.activate(),t.imageVectorTexture.getTextureUnit()):e.getVectorTextureUnit(),e.getMaskVectorTextureUnit=()=>t.maskVectorTexture?(t.maskVectorTexture.activate(),t.maskVectorTexture.getTextureUnit()):e.getImageVectorTextureUnit(),e.clearBuffers=function(){let e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];const n=t.framebuffer,r=t.context;n.removeColorBuffer(0),n.removeColorBuffer(1),n.removeColorBuffer(2),n.removeColorBuffer(3),n.setColorBuffer(t.licTexture0,0),n.setColorBuffer(t.seedTexture0,1),n.setColorBuffer(t.licTexture1,2),n.setColorBuffer(t.seedTexture1,3);const o=[r.COLOR_ATTACHMENT0,r.COLOR_ATTACHMENT1,r.COLOR_ATTACHMENT2,r.COLOR_ATTACHMENT3];e&&(n.removeColorBuffer(4),n.setColorBuffer(t.eeTexture,4),o.push(r.COLOR_ATTACHMENT4)),r.drawBuffers(o),r.clearColor(0,1,0,0),r.disable(r.SCISSOR_TEST),r.disable(r.BLEND),r.clear(r.COLOR_BUFFER_BIT),n.removeColorBuffer(0),n.removeColorBuffer(1),n.removeColorBuffer(2),n.removeColorBuffer(3),e&&n.removeColorBuffer(4),r.drawBuffers([r.NONE])},e.clearBuffer=e=>{const n=t.framebuffer,r=t.context;n.removeColorBuffer(0),n.setColorBuffer(e,0),r.drawBuffers([r.COLOR_ATTACHMENT0]),r.clearColor(0,1,0,0),r.disable(r.SCISSOR_TEST),r.disable(r.BLEND),r.clear(r.COLOR_BUFFER_BIT),n.removeColorBuffer(e,0),r.drawBuffers([r.NONE])},e.activateVectorTextures=()=>{t.imageVectorTexture?t.imageVectorTexture.activate():t.vectorTexture.activate(),t.maskVectorTexture&&t.maskVectorTexture.activate()},e.deactivateVectorTextures=()=>{t.imageVectorTexture?t.imageVectorTexture.deactivate():t.vectorTexture.deactivate(),t.maskVectorTexture&&t.maskVectorTexture.deactivate()},e.activateNoiseTexture=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;switch(e){case 0:t.noiseTexture.activate();break;case 1:t.eeTexture.activate();break;default:console.error("Wrong LIC pass number")}},e.deactivateNoiseTexture=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;switch(e){case 0:t.noiseTexture.deactivate();break;case 1:t.eeTexture.deactivate();break;default:console.error("Wrong LIC pass number")}},e.attachLICBuffers=()=>{const e=t.textures[t.readIndex],n=t.textures[1-t.readIndex],r=t.framebuffer,o=t.context;e[0].activate(),e[1].activate(),r.removeColorBuffer(0),r.removeColorBuffer(1),r.setColorBuffer(n[0],0),r.setColorBuffer(n[1],1),o.drawBuffers([o.COLOR_ATTACHMENT0,o.COLOR_ATTACHMENT1])},e.detachLICBuffers=()=>{const e=t.textures[t.readIndex],n=t.context,r=t.framebuffer;e[0].deactivate(),e[1].deactivate(),r.removeColorBuffer(0),r.removeColorBuffer(1),n.drawBuffers([n.NONE])},e.attachImageVectorBuffer=()=>{const e=t.framebuffer,n=t.context;t.vectorTexture.activate(),e.removeColorBuffer(0),e.setColorBuffer(t.imageVectorTexture,0),n.drawBuffers([n.COLOR_ATTACHMENT0])},e.detachImageVectorBuffer=()=>{const e=t.context,n=t.framebuffer;t.vectorTexture.deactivate(),n.removeColorBuffer(0),e.drawBuffers([e.NONE])},e.attachEEBuffer=()=>{t.textures[t.readIndex][0].activate(),t.framebuffer.removeColorBuffer(0),t.framebuffer.setColorBuffer(t.eeTexture,0);const e=t.context;e.drawBuffers([e.COLOR_ATTACHMENT0])},e.detachEEBuffer=()=>{const e=t.context;t.framebuffer.removeColorBuffer(0),e.drawBuffers([e.NONE]),t.textures[t.readIndex][0].deactivate()},e.detachBuffers=()=>{const e=t.context,n=t.framebuffer;n.removeColorBuffer(0),n.removeColorBuffer(1),e.drawBuffers([e.NONE]);const r=t.textures[t.readIndex],o=t.textures[1-t.readIndex];r[0]&&r[0].deactivate(),r[1]&&r[1].deactivate(),o[0]&&o[0].deactivate(),o[1]&&o[1].deactivate(),t.eeTexture&&t.eeTexture.deactivate(),t.noiseTexture&&t.noiseTexture.deactivate()},e.getWriteIndex=()=>1-t.readIndex,e.detachBuffers()):console.error("Pass renderwindow to ping pong manager")}const sm={vectorTexture:null,maskVectorTexture:null,noiseTexture:null,doEEPass:!1,doVTPass:!1,readIndex:0,quad:null,lastProgramHash:null,framebuffer:null,size:null,pingTextures:[],pongTextures:[],textures:[]};function lm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,sm,n),jt.obj(e,t),jt.get(e,t,["readIndex"]),jt.setGet(e,t,["doEEPass","doVTPass","_openGLRenderWindow","vectorTexture","maskVectorTexture","noiseTexture","framebuffer","size"]),jt.moveToProtected(e,t,["openGLRenderWindow"]),im(e,t)}var cm={newInstance:jt.newInstance(lm,"vtkLICPingPongBufferManager"),extend:lm};const um=0,dm=1,pm=2,fm=3,gm=1;function mm(e,t){function n(e,t){e.setUniformi("texLIC",t.getLICTextureUnit()),e.setUniformi("texSeedPts",t.getSeedTextureUnit())}function r(e,t,n){e.attachLICBuffers(),e.renderQuad(t,n),e.detachLICBuffers(),e.swap()}t.classHierarchy.push("vtkLineIntegralConvolution2D"),e.buildAShader=e=>t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(nm,e,""),e.dumpTextureValues=function(e,n){let[r,o]=n,a=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t.context,i=arguments.length>3&&void 0!==arguments[3]?arguments[3]:t._openGLRenderWindow,s=arguments.length>4&&void 0!==arguments[4]?arguments[4]:4;const l=nf.newInstance(),c=a;let u=null;return l.setOpenGLRenderWindow(i),l.saveCurrentBindingsAndBuffers(),l.create(r,o),l.populateFramebuffer(),l.setColorBuffer(e),u=new Float32Array(r*o*s),c.readPixels(0,0,r,o,4===s?c.RGBA:c.RGB,c.FLOAT,u),l.restorePreviousBindingsAndBuffers(),u},e.getTextureMinMax=function(n,r){let o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t.context,a=arguments.length>3&&void 0!==arguments[3]?arguments[3]:t._openGLRenderWindow;const i=e.dumpTextureValues(n,r,o,a,4);let s=Number.MAX_VALUE,l=Number.MIN_VALUE;for(let e=0;el&&(l=t)}return{min:s,max:l}},e.getComponentSelectionProgram=e=>{const t="xyzw";return`.${t[e[0]]}${t[e[1]]}`},e.buildShaders=()=>{t.LIC0ShaderProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_LIC0.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n/**\nThis shader initializes the convolution for the LIC computation.\n*/\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\nuniform sampler2D texMaskVectors;\nuniform sampler2D texNoise;\nuniform sampler2D texLIC;\n\nuniform int uStepNo; // in step 0 initialize lic and seeds, else just seeds\nuniform int uPassNo; // in pass 1 hpf of pass 0 is convolved.\nuniform float uMaskThreshold; // if |V| < uMaskThreshold render transparent\nuniform vec2 uNoiseBoundsPt1; // tc of upper right pt of noise texture\n\nin vec2 tcoordVC;\n\n// convert from vector coordinate space to noise coordinate space.\n// the noise texture is tiled across the *whole* domain\nvec2 VectorTCToNoiseTC(vec2 vectc)\n{\n return vectc/uNoiseBoundsPt1;\n}\n\n// get the texture coordidnate to lookup noise value. this\n// depends on the pass number.\nvec2 getNoiseTC(vec2 vectc)\n{\n // in pass 1 : convert from vector tc to noise tc\n // in pass 2 : use vector tc\n if (uPassNo == 0)\n {\n return VectorTCToNoiseTC(vectc);\n }\n else\n {\n return vectc;\n }\n}\n\n// look up noise value at the given location. The location\n// is supplied in vector texture coordinates, hence the\n// need to convert to noise texture coordinates.\nfloat getNoise(vec2 vectc)\n{\n return texture2D(texNoise, getNoiseTC(vectc)).r;\n}\n\nvoid main(void)\n{\n vec2 vectc = tcoordVC.st;\n\n // lic => (convolution, mask, 0, step count)\n if (uStepNo == 0)\n {\n float maskCriteria = length(texture2D(texMaskVectors, vectc).xyz);\n float maskFlag;\n if (maskCriteria <= uMaskThreshold)\n {\n maskFlag = 1.0;\n }\n else\n {\n maskFlag = 0.0;\n }\n float noise = getNoise(vectc);\n LICOutput = vec4(noise, maskFlag, 0.0, 1.0);\n }\n else\n {\n LICOutput = texture2D(texLIC, vectc);\n }\n\n // initial seed\n SeedOutput = vec4(vectc, 0.0, 1.0);\n}\n");const n=xd.substitute("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_VT.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// move vector field to normalized image space\n// pre-processing for vtkLineIntegralConvolution2D\n\n// the output of this shader\n//VTK::Output::Dec\n\n// Fragment shader used by the gaussian blur filter render pass.\n\nuniform sampler2D texVectors; // input texture\nuniform vec2 uTexSize; // size of texture\n\nin vec2 tcoordVC;\n\nvoid main(void)\n{\n //VTK::LICComponentSelection::Impl\n V = V/uTexSize;\n gl_FragData[0] = vec4(V, 0.0, 1.0);\n}\n","//VTK::LICComponentSelection::Impl",`vec2 V = texture2D(texVectors, tcoordVC.st)${e.getComponentSelectionProgram(t.componentIds)};`).result;t.VTProgram=e.buildAShader(n);const r=xd.substitute("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_fs1.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\nuniform sampler2D texVectors;\nuniform sampler2D texNoise;\nuniform sampler2D texLIC;\nuniform sampler2D texSeedPts;\n\nuniform int uPassNo; // in pass 1 hpf of pass 0 is convolved.\nuniform float uStepSize; // step size in parametric space\n\nuniform vec2 uNoiseBoundsPt1; // tc of upper right pt of noise texture\n\nin vec2 tcoordVC;\n\n//VTK::LICVectorLookup::Impl\n\n// We need to do this manually since CLAMP_TO_BORDER and and borderColor\n// are very poorly supported in webgl\nvec2 clampToBorder(vec2 uv){\n if(uv.x < 0.0 || uv.x > 1.0 || uv.y < 0.0 || uv.y > 1.0)\n {\n return vec2(0.0, 0.0);\n }\n return getVector(uv);\n}\n\n// convert from vector coordinate space to noise coordinate space.\n// the noise texture is tiled across the whole domain\nvec2 VectorTCToNoiseTC(vec2 vectc)\n{\n return vectc/uNoiseBoundsPt1;\n}\n\n// get the texture coordidnate to lookup noise value.\n// in pass 1 repeatedly tile the noise texture across\n// the computational domain.\nvec2 getNoiseTC(vec2 tc)\n{\n if (uPassNo == 0)\n {\n return VectorTCToNoiseTC(tc);\n }\n else\n {\n return tc;\n }\n}\n\n// look up noise value at the given location. The location\n// is supplied in vector texture coordinates, hence the need\n// to convert to either noise or lic texture coordinates in\n// pass 1 and 2 respectively.\nfloat getNoise(vec2 vectc)\n{\n return texture2D(texNoise, getNoiseTC(vectc)).r;\n}\n\n// fourth-order Runge-Kutta streamline integration\n// no bounds checks are made, therefore it's essential\n// to have the entire texture initialized to 0\n// and set clamp to border and have border color 0\n// an integer is set if the step was taken, keeping\n// an accurate step count is necessary to prevent\n// boundary artifacts. Don't count the step if\n// all vector lookups are identically 0. This is\n// a proxy for \"stepped outside valid domain\"\nvec2 rk4(vec2 pt0, float dt, out bool count)\n{\n count=true;\n float dtHalf = dt * 0.5;\n vec2 pt1;\n\n vec2 v0 = clampToBorder(pt0);\n pt1 = pt0 + v0 * dtHalf;\n\n vec2 v1 = clampToBorder(pt1);\n pt1 = pt0 + v1 * dtHalf;\n\n vec2 v2 = clampToBorder(pt1);\n pt1 = pt0 + v2 * dt;\n\n vec2 v3 = clampToBorder(pt1);\n vec2 vSum = v0 + v1 + v1 + v2 + v2 + v3;\n\n if (vSum == vec2(0.0, 0.0))\n {\n count = false;\n }\n\n pt1 = pt0 + (vSum) * (dt * (1.0/6.0));\n\n return pt1;\n}\n\nvoid main(void)\n{\n vec2 lictc = tcoordVC.st;\n vec4 lic = texture2D(texLIC, lictc);\n vec2 pt0 = texture2D(texSeedPts, lictc).st;\n\n bool count;\n vec2 pt1 = rk4(pt0, uStepSize, count);\n\n if (count)\n {\n // accumulate lic step\n // (lic, mask, 0, step count)\n float noise = getNoise(pt1);\n LICOutput = vec4(lic.r + noise, lic.g, 0.0, lic.a + 1.0);\n SeedOutput = vec4(pt1, 0.0, 1.0);\n }\n else\n {\n // keep existing values\n LICOutput = lic;\n SeedOutput = vec4(pt0, 0.0, 1.0);\n }\n}\n","//VTK::LICVectorLookup::Impl",function(){const e="\n vec2 getVector( vec2 vectc )\n\n {\n\n vec2 V = texture2D( texVectors, vectc ).xy;\n\n // normalize if |V| not 0\n\n float lenV = length( V );\n\n if ( lenV > 1.0e-8 )\n\n {\n\n return V/lenV;\n\n }\n\n else\n\n {\n\n return vec2( 0.0, 0.0 );\n\n }\n\n }\n\n ",t="\n vec2 getVector( vec2 vectc )\n\n {\n\n return texture2D( texVectors, vectc ).xy;\n\n }\n\n ";return arguments.length>0&&void 0!==arguments[0]&&!arguments[0]?t:e}(t.normalizeVectors),!0).result;t.LICIShaderProgram=e.buildAShader(r),t.LICNShaderProgram=e.buildAShader(" //VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_LICN.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\n/**\nThis shader finalizes the convolution for the LIC computation\napplying the normalization. eg. if box kernel is used the this\nis the number of steps taken.\n*/\n\nuniform sampler2D texLIC;\n\nin vec2 tcoordVC;\n\nvoid main(void)\n{\n vec4 conv = texture2D(texLIC, tcoordVC.st);\n conv.r = conv.r/conv.a;\n // lic => (convolution, mask, 0, 1)\n LICOutput = vec4(conv.rg , 0.0, 1.0);\n SeedOutput = vec4(0.0, 0.0, 0.0, 0.0);\n}\n"),t.CEProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_CE.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// gray scale contrast enhance stage implemented via histogram stretching\n// if the min and max are tweaked it can generate out-of-range values\n// these will be clamped in 0 to 1\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\n\nuniform sampler2D texLIC; // most recent lic pass\nuniform float uMin; // min gray scale color value\nuniform float uMaxMinDiff; // max-min\n\nin vec2 tcoordVC;\n\nvoid main( void )\n{\n vec4 lic = texture2D(texLIC, tcoordVC.st);\n if (lic.g!=0.0)\n {\n LICOutput = lic;\n }\n else\n {\n float CElic = clamp((lic.r - uMin)/uMaxMinDiff, 0.0, 1.0);\n LICOutput = vec4(CElic, lic.gb, 1.0);\n }\n SeedOutput = vec4(0.0, 0.0, 0.0, 0.0);\n}\n"),t.EEProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_fs2.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// high-pass filter stage employed by vtkLineIntegralConvolution2D\n// between LIC pass 1 and LIC pass 2. filtered LIC pass 1, becomes\n// noise for pass2.\n\n// the output of this shader\nlayout(location = 0) out vec4 EEOutput;\n\nuniform sampler2D texLIC; // most recent lic pass\nuniform float uDx; // fragment size\nuniform float uDy; // fragment size\n\nin vec2 tcoordVC;\n\n// kernel for simple laplace edge enhancement.\n// p=Laplace(p)+p\nfloat K[9] = float[9](\n -1.0, -1.0, -1.0,\n -1.0, 9.0, -1.0,\n -1.0, -1.0, -1.0\n );\n\n// determine if the fragment was masked\nbool Masked(float val) { return val != 0.0; }\n\nvoid main(void)\n{\n // tex coord neighbor offsets\n vec2 fragDx[9] = vec2[9](\n vec2(-uDx, uDy), vec2(0.0, uDy), vec2(uDx, uDy),\n vec2(-uDx, 0.0), vec2(0.0, 0.0), vec2(uDx, 0.0),\n vec2(-uDx,-uDy), vec2(0.0,-uDy), vec2(uDx,-uDy)\n );\n\n vec2 lictc = tcoordVC.st;\n\n // compute the convolution but don't use convovled values if\n // any masked fragments on the stencil. Fragments outside\n // the valid domain are masked during initialization, and\n // texture wrap parameters are clamp to border with border\n // color that contains masked flag\n float conv = 0.0;\n bool dontUse = false;\n for (int i=0; i<9; ++i)\n {\n vec2 tc = lictc + fragDx[i];\n vec4 lic = texture2D(texLIC, tc);\n dontUse = dontUse || Masked(lic.g);\n conv = conv + K[i] * lic.r;\n }\n\n if (dontUse)\n {\n EEOutput = vec4(texture2D(texLIC, lictc).rg, 0.0, 1.0);\n }\n else\n {\n conv = clamp(conv, 0.0, 1.0);\n EEOutput = vec4(conv,texture2D(texLIC, lictc).g, 0.0, 1.0);\n }\n\n}\n"),t.AAHProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_AAH.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// Anti-alias stage in vtkLineIntegralConvolution2D\n// horizontal pass of a Gaussian convolution\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\nuniform sampler2D texLIC; // input texture\nuniform float uDx; // fragment size\n\nin vec2 tcoordVC;\n\n// factored 3x3 Gaussian kernel\n// K^T*K = G\nfloat K[3] = float[3](0.141421356, 0.707106781, 0.141421356);\n\n// determine if the fragment was masked\nbool Masked(float val){ return val != 0.0; }\n\nvoid main(void)\n{\n// neighbor offsets\nvec2 fragDx[3] = vec2[3](vec2(-uDx,0.0), vec2(0.0,0.0), vec2(uDx,0.0));\n\n vec2 lictc = tcoordVC.st;\n vec4 lic[3];\n bool dontUse = false;\n float conv = 0.0;\n for (int i=0; i<3; ++i)\n {\n vec2 tc = lictc + fragDx[i];\n lic[i] = texture2D(texLIC, tc);\n dontUse = dontUse || Masked(lic[i].g);\n conv = conv + K[i] * lic[i].r;\n }\n // output is (conv, mask, skip, 1)\n if (dontUse)\n {\n LICOutput = vec4(lic[1].rg, 1.0, 1.0);\n }\n else\n {\n LICOutput = vec4(conv, lic[1].gb, 1.0);\n }\n SeedOutput = vec4(0.0, 0.0, 0.0, 0.0);\n}\n"),t.AAVProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_AAV.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// Anti-alias stage in vtkLineIntegralConvolution2D\n// vertical pass of a Gaussian convolution\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\nuniform sampler2D texLIC; // input texture\nuniform float uDy; // fragment size\n\nin vec2 tcoordVC;\n\n\n// factored 3x3 Gaussian kernel\n// K^T*K = G\nfloat K[3] = float[3](0.141421356, 0.707106781, 0.141421356);\n\n// determine if the fragment was masked\nbool Masked(float val){ return val != 0.0; }\n\nvoid main(void)\n{\n// neighbor offsets\nvec2 fragDy[3] = vec2[3](vec2(0.0,-uDy), vec2(0.0,0.0), vec2(0.0,uDy));\n\n\n vec2 lictc = tcoordVC.st;\n vec4 lic[3];\n bool dontUse = false;\n float conv = 0.0;\n for (int i=0; i<3; ++i)\n {\n vec2 tc = lictc + fragDy[i];\n lic[i] = texture2D(texLIC, tc);\n dontUse = dontUse || Masked(lic[i].g);\n conv = conv + K[i] * lic[i].r;\n }\n // output is (conv, mask, skip, 1)\n if (dontUse)\n {\n LICOutput = vec4(lic[1].rg, 1.0, 1.0);\n }\n else\n {\n LICOutput = vec4(conv, lic[1].gb, 1.0);\n }\n SeedOutput = vec4(0.0, 0.0, 0.0, 0.0);\n}\n")},e.executeLIC=(o,a,i,s,l,c)=>{if(t._openGLRenderWindow=l,t.context=l.getContext(),Object.assign(t,c),o[0]<=0||o[1]<=0)return null;const u=[1/o[0],1/o[1]];let d=t.stepSize*Math.sqrt(u[0]*u[0]+u[1]*u[1]);d<=0&&(d=1e-10);const p=t.context;let f=t.framebuffer;f&&o[0]===f.getSize()[0]&&o[1]===f.getSize()[1]||(f=nf.newInstance(),f.setOpenGLRenderWindow(t._openGLRenderWindow),f.saveCurrentBindingsAndBuffers(),f.create(...o),f.populateFramebuffer(),f.restorePreviousBindingsAndBuffers(),t.framebuffer=f),f.saveCurrentBindingsAndBuffers(),f.bind(),p.viewport(0,0,...o),p.scissor(0,0,...o),t.shadersNeedBuild&&(e.buildShaders(),t.shadersNeedBuild=!1),t.bufs?(t.bufs.setVectorTexture(a),t.bufs.setMaskVectorTexture(i),t.bufs.setNoiseTexture(s)):t.bufs=cm.newInstance({openGLRenderWindow:l,doEEPass:t.enhancedLIC,doVTPass:t.transformVectors,vectorTexture:a,maskVectorTexture:i,noiseTexture:s,framebuffer:f,size:o});const g=[(s.getWidth()+1)/o[0],(s.getHeight()+1)/o[1]],m=1/o[0],h=1/o[1],v=t._openGLRenderWindow.getShaderCache();if(t.transformVectors){const e=t.VTProgram;v.readyShaderProgram(e),t.bufs.attachImageVectorBuffer(),e.setUniform2f("uTexSize",...o),e.setUniformi("texVectors",t.bufs.getVectorTextureUnit()),p.clearColor(0,0,0,0),p.clear(p.COLOR_BUFFER_BIT),t.bufs.renderQuad(o,e),t.bufs.detachImageVectorBuffer()}t.bufs.clearBuffers(t.enhancedLIC),t.bufs.activateVectorTextures(),t.bufs.activateNoiseTexture(0);const{LIC0ShaderProgram:y}=t;v.readyShaderProgram(y),y.setUniformi("uStepNo",0),y.setUniformi("uPassNo",0),y.setUniformf("uMaskThreshold",t.maskThreshold),y.setUniform2f("uNoiseBoundsPt1",...g),y.setUniformi("texMaskVectors",t.bufs.getMaskVectorTextureUnit()),y.setUniformi("texLIC",t.bufs.getLICTextureUnit()),y.setUniformi("texNoise",t.bufs.getNoiseTextureUnit(0)),r(t.bufs,o,y);const{LICIShaderProgram:b}=t;v.readyShaderProgram(b),b.setUniformi("uPassNo",0),b.setUniformf("uStepSize",-d),b.setUniform2f("uNoiseBoundsPt1",...g),b.setUniformi("texVectors",t.bufs.getImageVectorTextureUnit()),b.setUniformi("texNoise",t.bufs.getNoiseTextureUnit(0));for(let e=0;e{const a=t._openGLRenderWindow.getShaderCache();let{min:i,max:s}=e.getTextureMinMax(t.bufs.getLastLICBuffer(),o,t.context,t._openGLRenderWindow);(s<=i||s>1||i<0)&&(console.error("Invalid color range: ",i,s),i=0,s=1);let l=s-i;n&&(i+=l*t.lowLICContrastEnhancementFactor,s-=l*t.highLICContrastEnhancementFactor,l=s-i);const{CEProgram:c}=t;a.readyShaderProgram(c),c.setUniformi("texLIC",t.bufs.getLICTextureUnit()),c.setUniformf("uMin",i),c.setUniformf("uMaxMinDiff",l),r(t.bufs,o,c)}}const hm={shadersNeedBuild:!0,stepSize:1,numberOfSteps:10,enhancedLIC:!0,enhanceContrast:!1,lowContrastEnhancementFactor:0,highContrastEnhancementFactor:0,antiAlias:0,componentIds:[0,1],normalizeVectors:!0,maskThreshold:0,transformVectors:!0,bufs:null,isComposite:!0};function vm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,hm,n),jt.obj(e,t),jt.setGet(e,t,["context","_openGLRenderWindow","nuberOfSteps","stepSize","normalizeVectors","maskThreshold","enhancedLIC","enhanceContrast","lowLICContrastEnhancementFactor","highLICContrastEnhancementFactor","antiAlias","componentIds","isComposite"]),jt.moveToProtected(e,t,["openGLRenderWindow"]),mm(e,t)}var ym={newInstance:jt.newInstance(vm,"vtkLineIntegralConvolution2D"),extend:vm};function bm(e,t){t.classHierarchy.push("vtkSurfaceLICInterface")}const xm={enableLIC:!1,nuberOfSteps:40,stepSize:.25,transformVectors:!0,normalizeVectors:!0,maskOnSurface:!1,maskThreshold:0,maskColor:[0,0,0],maskIntensity:0,enhancedLIC:!0,enhanceContrast:um,lowLICContrastEnhancementFactor:0,highLICContrastEnhancementFactor:0,lowColorContrastEnhancementFactor:0,highColorContrastEnhancementFactor:0,antiAlias:0,colorMode:0,LICIntensity:1,mapModeBias:0,noiseTextureSize:200,noiseTextureType:gm,noiseGrainSize:8,noiseImpulseProbability:.1,noiseImpulseBackgroundValue:0,noiseGeneratorSeed:0,minNoiseValue:0,maxNoiseValue:1,numberOfNoiseLevels:2,shadersNeedBuilding:!0,reallocateTextures:!0,rebuildNoiseTexture:!1,viewPortScale:1};function Tm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,xm,n),jt.obj(e,t),jt.setGet(e,t,["enableLIC","numberOfSteps","stepSize","normalizeVectors","transformVectors","maskOnSurface","maskThreshold","maskColor","maskIntensity","enhancedLIC","enhanceContrast","lowLICContrastEnhancementFactor","highLICContrastEnhancementFactor","lowColorContrastEnhancementFactor","highColorContrastEnhancementFactor","antiAlias","colorMode","LICIntensity","mapModeBias","noiseTextureSize","noiseTextureType","noiseGrainSize","minNoiseValue","maxNoiseValue","numberOfNoiseLevels","noiseImpulseProbability","noiseImpulseBackgroundValue","noiseGeneratorSeed","viewPortScale","rebuildNoiseTexture"]),bm(0,t)}var Cm={newInstance:jt.newInstance(Tm,"vtkSurfaceLICInterface"),extend:Tm};const{Representation:Sm}=xs;function Am(e,t){t.classHierarchy.push("vtkOpenGLSurfaceLICInterface"),e.renderQuad=(e,n)=>{const r=t.licQuad,o=t.context;let a=t.licQuadVAO;a||(a=Ad.newInstance(),a.setOpenGLRenderWindow(t._openGLRenderWindow),t.licQuadVAO=a),t.previousProgramHash!==n.getMd5Hash()&&(a.shaderProgramChanged(),r.getCABO().bind(),a.addAttributeArray(n,r.getCABO(),"vertexDC",r.getCABO().getVertexOffset(),r.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE),a.addAttributeArray(n,r.getCABO(),"tcoordDC",r.getCABO().getTCoordOffset(),r.getCABO().getStride(),t.context.FLOAT,2,t.context.FALSE),t.previousProgramHash=n.getMd5Hash()),o.drawArrays(o.TRIANGLES,0,r.getCABO().getElementCount()),a.release()},e.generateNoiseTexture=e=>{if(!t.noiseTexture||t.licInterface.getRebuildNoiseTexture()){t.licInterface.setRebuildNoiseTexture(!1),t.noiseTexture&&t.noiseTexture.releaseGraphicsResources(),xo()(t.noiseGeneratorSeed,{global:!0});let n=[];const{noiseTextureType:r,noiseGrainSize:o,numberOfNoiseLevels:a,noiseImpulseProbability:i,noiseImpulseBackgroundValue:s,minNoiseValue:l,maxNoiseValue:c}=t.licInterface.get("noiseTextureType","noiseGrainSize","numberOfNoiseLevels","noiseImpulseProbability","noiseImpulseBackgroundValue","minNoiseValue","maxNoiseValue");n=r===gm?function(e,t,n,r,o,a){const i=Math.max(0,Math.min(1,n)),s=Float32Array.from({length:e*e},(()=>{let e=0;if(1===i||Math.random()>1-i)for(let t=0;t<2048;++t)e+=Math.random();return e}));let l=0,c=2049;s.forEach((e=>{c=1===i?e0?e:c,l=e>l?e:l}));let u=l-c;0===u&&(c=0,u=0===l?1:l);const d=t-1,p=0!==d?1/d:0,f=a-o;return s.map((e=>{const n=e=c?1===t?a:o+(i>d?d:i)*p*f:r}))}(Math.floor(e/o),a,i,s,l,c):function(e,t,n,r){let[o,a]=e;const i=r-n;return Float32Array.from({length:o*a},(()=>{let e=Math.random();return e=Math.floor(e*t)/t,e=e*i+n,e>1?1:e<0?0:e}))}([Math.ceil(e/o),Math.ceil(e/o)],a,l,c);const u=1/o,d=Float32Array.from({length:e*e*4},((t,r)=>{const a=r/4;if(r%4==0){const t=Math.floor(a%e*u),r=Math.floor(a/e*u);return n[r*(e/o)+t]}return r%4==1||r%4==3?1:0})),p=$d.newInstance({wrapS:$d.Wrap.REPEAT,wrapT:$d.Wrap.REPEAT,minificationFilter:$d.Filter.NEAREST,magnificationFilter:$d.Filter.NEAREST,generateMipMap:!1,openGLDataType:t.context.FLOAT,baseLevel:0,maxLevel:0,autoParameters:!1});p.setOpenGLRenderWindow(t._openGLRenderWindow),p.create2DFromRaw(e,e,4,"Float32Array",d),p.activate(),p.sendParameters(),p.deactivate(),t.noiseTexture=p}},e.buildAShader=e=>t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(nm,e,""),e.allocateTextures=()=>{const n=$d.Filter.NEAREST,r=$d.Filter.LINEAR,o=t._openGLRenderWindow;t.geometryImage||(t.geometryImage=e.allocateTexture(o,n)),t.vectorImage||(t.vectorImage=e.allocateTexture(o,r)),t.maskVectorImage||(t.maskVectorImage=e.allocateTexture(o,r)),t.LICImage||(t.LICImage=e.allocateTexture(o,n)),t.RGBColorImage||(t.RGBColorImage=e.allocateTexture(o,n)),t.HSLColorImage||(t.HSLColorImage=e.allocateTexture(o,n)),t.depthTexture||(t.depthTexture=e.allocateDepthTexture(o))},e.allocateTexture=(e,n)=>{const r=t.context,o=$d.newInstance({wrapS:$d.Wrap.CLAMP_TO_EDGE,wrapT:$d.Wrap.CLAMP_TO_EDGE,minificationFilter:n,magnificationFilter:n,generateMipmap:!1,openGLDataType:r.FLOAT,baseLevel:0,maxLevel:0,autoParameters:!1});return o.setOpenGLRenderWindow(e),o.setInternalFormat(r.RGBA32F),o.create2DFromRaw(...t.size,4,"Float32Array",null),o.activate(),o.sendParameters(),o.deactivate(),o},e.allocateDepthTexture=e=>{const n=t.context,r=$d.newInstance({generateMipmap:!1,openGLDataType:n.FLOAT,autoParameters:!1});return r.setOpenGLRenderWindow(e),r.createDepthFromRaw(...t.size,"Float32Array",null),r.activate(),r.sendParameters(),r.deactivate(),r},e.createFBO=()=>{if(!t.framebuffer){t.licHelper=null;const e=nf.newInstance();e.setOpenGLRenderWindow(t._openGLRenderWindow),e.saveCurrentBindingsAndBuffers(),e.create(...t.size),e.populateFramebuffer(),t.framebuffer=e,e.restorePreviousBindingsAndBuffers()}},e.completedGeometry=()=>{const e=t.context,n=t.framebuffer;n.removeColorBuffer(0),n.removeColorBuffer(1),n.removeColorBuffer(2),n.removeDepthBuffer(),e.drawBuffers([e.NONE]),n.restorePreviousBindingsAndBuffers()},e.buildAllShaders=()=>{t.shadersNeedBuilding&&(t.licColorPass=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkSurfaceLICMapper_fs2.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// This shader combines surface geometry, LIC, and scalar colors.\n\n// the output of this shader\nlayout(location = 0) out vec4 RGBOutput;\nlayout(location = 1) out vec4 HSLOutput;\n\nuniform sampler2D texVectors; // vectors, depth\nuniform sampler2D texGeomColors; // scalar colors + lighting\nuniform sampler2D texLIC; // image lic\nuniform int uScalarColorMode; // select between blend, and map shader\nuniform float uLICIntensity; // blend shader: blending factor for lic'd colors\nuniform float uMapBias; // map shader: adjust the brightness of the result\nuniform float uMaskIntensity; // blending factor for mask color\nuniform vec3 uMaskColor; // color for the masked out fragments\n\nin vec2 tcoordVC;\n\n/**\nConvert from RGB color space into HSL colorspace.\n*/\nvec3 RGBToHSL(vec3 RGB)\n{\n vec3 HSL = vec3(0.0, 0.0, 0.0);\n\n float RGBMin = min(min(RGB.r, RGB.g), RGB.b);\n float RGBMax = max(max(RGB.r, RGB.g), RGB.b);\n float RGBMaxMinDiff = RGBMax - RGBMin;\n\n HSL.z = (RGBMax + RGBMin) / 2.0;\n\n if (RGBMaxMinDiff == 0.0)\n {\n // Gray scale\n HSL.x = 0.0;\n HSL.y = 0.0;\n }\n else\n {\n // Color\n if (HSL.z < 0.5)\n HSL.y = RGBMaxMinDiff / (RGBMax + RGBMin);\n else\n HSL.y = RGBMaxMinDiff / (2.0 - RGBMax - RGBMin);\n\n float dR\n = (((RGBMax - RGB.r) / 6.0) + (RGBMaxMinDiff / 2.0)) / RGBMaxMinDiff;\n float dG\n = (((RGBMax - RGB.g) / 6.0) + (RGBMaxMinDiff / 2.0)) / RGBMaxMinDiff;\n float dB\n = (((RGBMax - RGB.b) / 6.0) + (RGBMaxMinDiff / 2.0)) / RGBMaxMinDiff;\n\n if (RGB.r == RGBMax)\n HSL.x = dB - dG;\n else\n if (RGB.g == RGBMax)\n HSL.x = (1.0 / 3.0) + dR - dB;\n else\n if (RGB.b == RGBMax)\n HSL.x = (2.0 / 3.0) + dG - dR;\n\n if (HSL.x < 0.0)\n HSL.x += 1.0;\n\n if (HSL.x > 1.0)\n HSL.x -= 1.0;\n }\n\n return HSL;\n}\n\n/**\nHelper for HSL to RGB conversion.\n*/\nfloat Util(float v1, float v2, float vH)\n{\n if (vH < 0.0)\n vH += 1.0;\n\n if (vH > 1.0)\n vH -= 1.0;\n\n if ((6.0 * vH) < 1.0)\n return (v1 + (v2 - v1) * 6.0 * vH);\n\n if ((2.0 * vH) < 1.0)\n return (v2);\n\n if ((3.0 * vH) < 2.0)\n return (v1 + (v2 - v1) * ((2.0 / 3.0) - vH) * 6.0);\n\n return v1;\n}\n\n/**\nConvert from HSL space into RGB space.\n*/\nvec3 HSLToRGB(vec3 HSL)\n{\n vec3 RGB;\n if (HSL.y == 0.0)\n {\n // Gray\n RGB.r = HSL.z;\n RGB.g = HSL.z;\n RGB.b = HSL.z;\n }\n else\n {\n // Chromatic\n float v2;\n if (HSL.z < 0.5)\n v2 = HSL.z * (1.0 + HSL.y);\n else\n v2 = (HSL.z + HSL.y) - (HSL.y * HSL.z);\n\n float v1 = 2.0 * HSL.z - v2;\n\n RGB.r = Util(v1, v2, HSL.x + (1.0 / 3.0));\n RGB.g = Util(v1, v2, HSL.x);\n RGB.b = Util(v1, v2, HSL.x - (1.0 / 3.0));\n }\n\n return RGB.rgb;\n}\n\nvoid main()\n{\n vec4 lic = texture2D(texLIC, tcoordVC.st);\n vec4 geomColor = texture2D(texGeomColors, tcoordVC.st);\n\n // depth is used to determine which fragment belong to us\n // and we can change\n float depth = texture2D(texVectors, tcoordVC.st).a;\n\n vec3 fragColorRGB;\n float valid;\n if (depth > 1.0e-3)\n {\n // we own it\n // shade LIC'ed geometry, or apply mask\n if (lic.g!=0.0)\n {\n // it's masked\n // apply fragment mask\n fragColorRGB = uMaskIntensity * uMaskColor + (1.0 - uMaskIntensity) * geomColor.rgb;\n valid = 0.0;\n }\n else\n {\n if (uScalarColorMode==0)\n {\n // blend with scalars\n fragColorRGB = lic.rrr * uLICIntensity + geomColor.rgb * (1.0 - uLICIntensity);\n }\n else\n {\n // multiply with scalars\n fragColorRGB = geomColor.rgb * clamp((uMapBias + lic.r), 0.0, 1.0);\n }\n if (lic.b != 0.0)\n {\n // didn't have the required guard pixels\n // don't consider it in min max estimation\n // for histpgram stretching\n valid = 0.0;\n }\n else\n {\n // ok to use in min/max estimates for histogram\n // stretching\n valid = 1.0;\n }\n }\n }\n else\n {\n // we don't own it\n // pass through scalars\n fragColorRGB = geomColor.rgb;\n valid = 0.0;\n }\n\n // if no further stages this texture is\n // copied to the screen\n RGBOutput = vec4(fragColorRGB, geomColor.a);\n\n // if further stages, move to hsl space for contrast\n // enhancement. encoding validity saves moving a texture to the cpu\n vec3 fragColorHSL = RGBToHSL(fragColorRGB);\n HSLOutput = vec4(fragColorHSL, valid);\n}\n"),t.licCopyPass=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkSurfaceLICMapper_DCpy.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// This shader copies fragments and depths to the output buffer\n\n// the output of this shader\n//VTK::Output::Dec\n\nuniform sampler2D texDepth; // z values from vertex shader\nuniform sampler2D texRGBColors; // final rgb LIC colors\n\nin vec2 tcoordVC;\n\nvoid main()\n{\n gl_FragDepth = texture2D(texDepth, tcoordVC).x;\n gl_FragData[0] = texture2D(texRGBColors, tcoordVC);\n\n // since we render a screen aligned quad\n // we're going to be writing fragments\n // not touched by the original geometry\n // it's critical not to modify those\n // fragments.\n if (gl_FragDepth == 1.0)\n {\n discard;\n }\n}\n"),t.enhanceContrastPass=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkSurfaceLICMapper_CE.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// color contrast enhance stage implemented via histogram stretching\n// on lightness channel. if the min and max are tweaked it can generate\n// out-of-range values these will be clamped in 0 to 1\n\n// the output of this shader\n//VTK::Output::Dec\n\nuniform sampler2D texGeomColors; // scalars + lighting\nuniform sampler2D texLIC; // image lic, mask\nuniform sampler2D texHSLColors; // hsla colors\n\nuniform float uLMin; // min lightness over all fragments\nuniform float uLMaxMinDiff; // max - min lightness over all fragments\n\nin vec2 tcoordVC;\n\nvec3 HSLToRGB(vec3 HSL)\n{\n vec3 RGB;\n float v;\n float h = HSL.x;\n float sl = HSL.y;\n float l = HSL.z;\n\n v = (l <= 0.5) ? (l * (1.0 + sl)) : (l + sl - l * sl);\n if (v <= 0.0) {\n RGB = vec3(0.0,0.0,0.0);\n } else {\n float m;\n int sextant;\n float fract, vsf, mid1, mid2;\n\n m = l + l - v;\n h *= 6.0;\n sextant = int(h);\n fract = h - float(sextant);\n\n vsf = (v - m) * fract;\n mid1 = m + vsf;\n mid2 = v - vsf;\n switch (sextant) {\n case 0: RGB.r = v; RGB.g = mid1; RGB.b = m; break;\n case 1: RGB.r = mid2; RGB.g = v; RGB.b = m; break;\n case 2: RGB.r = m; RGB.g = v; RGB.b = mid1; break;\n case 3: RGB.r = m; RGB.g = mid2; RGB.b = v; break;\n case 4: RGB.r = mid1; RGB.g = m; RGB.b = v; break;\n case 5: RGB.r = v; RGB.g = m; RGB.b = mid2; break;\n }\n }\n return RGB;\n}\n\nvoid main()\n{\n // lookup hsl color , mask\n vec4 fragColor = texture2D(texHSLColors, tcoordVC.st);\n\n // don't modify masked fragments (masked => lic.g==1)\n vec4 lic = texture2D(texLIC, tcoordVC.st);\n if (lic.g==0.0)\n {\n // normalize lightness channel\n fragColor.z = clamp((fragColor.z - uLMin)/uLMaxMinDiff, 0.0, 1.0);\n }\n\n // back into rgb space\n fragColor.rgb = HSLToRGB(fragColor.xyz);\n\n // add alpha\n vec4 geomColor = texture2D(texGeomColors, tcoordVC.st);\n fragColor.a = geomColor.a;\n\n gl_FragData[0] = fragColor;\n}\n"),t.shadersNeedBuilding=!1)},e.initializeResources=()=>{e.createFBO(),e.generateNoiseTexture(t.licInterface.getNoiseTextureSize()),e.allocateTextures(),e.buildAllShaders(),t.licQuad||(t.licQuad=function(e){const t=Md.newInstance();t.setOpenGLRenderWindow(e);const n=new Float32Array(12);for(let e=0;e<4;e++)n[3*e]=e%2*2-1,n[3*e+1]=e>1?1:-1,n[3*e+2]=0;const r=new Float32Array([0,0,1,0,0,1,1,1]),o=new Uint16Array(8);o[0]=3,o[1]=0,o[2]=1,o[3]=3,o[4]=3,o[5]=0,o[6]=3,o[7]=2;const a=Us.newInstance({numberOfComponents:3,values:n});a.setName("points");const i=Us.newInstance({numberOfComponents:1,values:o}),s=Us.newInstance({numberOfComponents:2,values:r});return t.getCABO().createVBO(i,"polys",Sm.SURFACE,{points:a,cellOffset:0,tcoords:s}),t}(t._openGLRenderWindow)),t.licHelper||(t.licHelper=ym.newInstance())},e.prepareForGeometry=()=>{const e=t.framebuffer;e.saveCurrentBindingsAndBuffers(),e.bind(),t.geometryImage.activate(),t.vectorImage.activate(),t.maskVectorImage.activate(),e.removeColorBuffer(0),e.removeColorBuffer(2),e.removeColorBuffer(3),e.setColorBuffer(t.geometryImage,0),e.setColorBuffer(t.vectorImage,2),e.setColorBuffer(t.maskVectorImage,3),e.setDepthBuffer(t.depthTexture);const n=t.context;n.drawBuffers([n.COLOR_ATTACHMENT0,n.NONE,n.COLOR_ATTACHMENT2,n.COLOR_ATTACHMENT3]),n.viewport(0,0,...t.size),n.scissor(0,0,...t.size),n.disable(n.BLEND),n.disable(n.DEPTH_TEST),n.disable(n.SCISSOR_TEST),n.clearColor(0,0,0,0),n.clear(n.DEPTH_BUFFER_BIT|n.COLOR_BUFFER_BIT)},e.copyToScreen=n=>{t.RGBColorImage.activate(),t.depthTexture.activate(),t.licCopyPass||e.initializeResources();const r=t.licCopyPass;t._openGLRenderWindow.getShaderCache().readyShaderProgram(r);const o=t.context;o.viewport(0,0,...n),o.scissor(0,0,...n),o.disable(o.BLEND),o.enable(o.DEPTH_TEST),o.disable(o.SCISSOR_TEST),r.setUniformi("texDepth",t.depthTexture.getTextureUnit()),r.setUniformi("texRGBColors",t.RGBColorImage.getTextureUnit()),e.renderQuad(n,r),t.RGBColorImage.deactivate(),t.depthTexture.deactivate()},e.combineColorsAndLIC=()=>{const n=t.context,r=t.framebuffer;r.saveCurrentBindingsAndBuffers(),r.bind(),r.create(...t.size),r.removeColorBuffer(0),r.removeColorBuffer(1),r.setColorBuffer(t.RGBColorImage,0),r.setColorBuffer(t.HSLColorImage,1),n.drawBuffers([n.COLOR_ATTACHMENT0,n.COLOR_ATTACHMENT1]),n.disable(n.DEPTH_TEST),n.clearColor(0,0,0,0),n.clear(n.COLOR_BUFFER_BIT),t.vectorImage.activate(),t.geometryImage.activate(),t.LICImage.activate(),t.licColorPass||e.initializeResources();const o=t.licColorPass;t._openGLRenderWindow.getShaderCache().readyShaderProgram(o),o.setUniformi("texVectors",t.vectorImage.getTextureUnit()),o.setUniformi("texGeomColors",t.geometryImage.getTextureUnit());const{colorMode:a,LICIntensity:i,mapModeBias:s,maskIntensity:l,maskColor:c,enhanceContrast:u,lowColorContrastEnhancementFactor:d,highColorContrastEnhancementFactor:p}=t.licInterface.get("colorMode","LICIntensity","mapModeBias","maskIntensity","maskColor","enhanceContrast","lowColorContrastEnhancementFactor","highColorContrastEnhancementFactor");if(o.setUniformi("texLIC",t.LICImage.getTextureUnit()),o.setUniformi("uScalarColorMode",a),o.setUniformf("uLICIntensity",i),o.setUniformf("uMapBias",s),o.setUniformf("uMaskIntensity",l),o.setUniform3f("uMaskColor",...c),e.renderQuad(t.size,o),t.vectorImage.deactivate(),t.geometryImage.deactivate(),t.LICImage.deactivate(),r.removeColorBuffer(0),r.removeColorBuffer(1),n.drawBuffers([n.NONE]),u===pm||u===fm){let o=0,a=1,i=a-o;o+=i*d,a-=i*p,i=a-o,r.setColorBuffer(t.RGBColorImage),n.drawBuffers([n.COLOR_ATTACHMENT0]),t.geometryImage.activate(),t.HSLColorImage.activate(),t.LICImage.activate(),t.enhanceContrastPass||e.initializeResources();const{enhanceContrastPass:s}=t;t._openGLRenderWindow.getShaderCache().readyShaderProgram(s),s.setUniformi("texGeomColors",t.geometryImage.getTextureUnit()),s.setUniformi("texHSLColors",t.HSLColorImage.getTextureUnit()),s.setUniformi("texLIC",t.LICImage.getTextureUnit()),s.setUniformf("uLMin",o),s.setUniformf("uLMaxMinDiff",i),e.renderQuad(t.size,s),t.geometryImage.deactivate(),t.HSLColorImage.deactivate(),t.LICImage.deactivate(),r.removeColorBuffer(0),n.drawBuffers([n.NONE])}r.restorePreviousBindingsAndBuffers()},e.applyLIC=()=>{const e=t.licInterface.get("stepSize","numberOfSteps","enhancedLIC","enhanceContrast","lowLICContrastEnhancementFactor","highLICContrastEnhancementFactor","antiAlias","normalizeVectors","maskThreshold","transformVectors"),n=t.licHelper.executeLIC(t.size,t.vectorImage,t.maskVectorImage,t.noiseTexture,t._openGLRenderWindow,e);if(!n)return console.error("Failed to compute image LIC"),void(t.LICImage=null);t.LICImage=n},e.setSize=n=>{Array.isArray(n)&&2===n.length&&(t.size&&t.size[0]===n[0]&&t.size[1]===n[1]||(t.size=n,e.releaseGraphicsResources()))},e.releaseGraphicsResources=()=>{t.geometryImage&&(t.geometryImage.releaseGraphicsResources(),t.geometryImage=null),t.vectorImage&&(t.vectorImage.releaseGraphicsResources(),t.vectorImage=null),t.maskVectorImage&&(t.maskVectorImage.releaseGraphicsResources(),t.maskVectorImage=null),t.LICImage&&(t.LICImage.releaseGraphicsResources(),t.LICImage=null),t.RGBColorImage&&(t.RGBColorImage.releaseGraphicsResources(),t.RGBColorImage=null),t.HSLColorImage&&(t.HSLColorImage.releaseGraphicsResources(),t.HSLColorImage=null),t.depthTexture&&(t.depthTexture.releaseGraphicsResources(),t.depthTexture=null),t.framebuffer&&(t.framebuffer.releaseGraphicsResources(),t.framebuffer=null)}}const Pm={context:null,shadersNeedBuilding:!0,reallocateTextures:!0,size:null,licInterface:null};function Im(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Pm,n),Cm.extend(e,t,n),jt.obj(e,t),jt.setGet(e,t,["context","_openGLRenderWindow","reallocateTextures","licInterface","size"]),jt.moveToProtected(e,t,["openGLRenderWindow"]),Am(e,t)}var wm={newInstance:jt.newInstance(Im,"vtkSurfaceLICInterface"),extend:Im};const{vtkErrorMacro:Om}=Kt;function Mm(e,t){t.classHierarchy.push("vtkOpenGLSurfaceLICMapper");const n={...e};e.getNeedToRebuildShaders=(e,r,o)=>t.rebuildLICShaders||n.getNeedToRebuildShaders(e,r,o),e.replaceShaderValues=(e,r,o)=>{const a=t.lastBoundBO.getReferenceByName("lastLightComplexity");let i=e.Vertex,s=e.Fragment;const l=t.renderable.getInputArrayToProcess(0);if(l&&t.canDrawLIC){s=xd.substitute(s,"//VTK::Output::Dec",["//VTK::Output::Dec","layout(location = 2) out vec4 vectorTexture;","layout(location = 3) out vec4 maskVectorTexture;"]).result;const n=`${l.getName()}MC`;0===a&&t.lastBoundBO.set({lastLightComplexity:1},!0),i=xd.substitute(i,"//VTK::TCoord::Dec",[`attribute vec3 ${n};`,"out vec3 licOutput;","//VTK::TCoord::Dec"]).result,i=xd.substitute(i,"//VTK::TCoord::Impl",[`licOutput = ${n};`,"//VTK::TCoord::Impl"]).result,s=xd.substitute(s,"//VTK::TCoord::Dec",["uniform int uMaskOnSurface;","uniform mat3 normalMatrix;","in vec3 licOutput;","//VTK::TCoord::Dec"]).result,s=xd.substitute(s,"//VTK::TCoord::Impl",["// projected vectors"," vec3 tcoordLIC = normalMatrix * licOutput;"," vec3 normN = normalize(normalVCVSOutput);"," float k = dot(tcoordLIC, normN);"," vec3 projected = (tcoordLIC - k*normN);"," vectorTexture = vec4(projected.x, projected.y, 0.0 , 1.0);","// vectors for fragment masking"," if (uMaskOnSurface == 0)"," {"," maskVectorTexture = vec4(licOutput, 1.0);"," }"," else"," {"," maskVectorTexture = vec4(projected.x, projected.y, 0.0 , 1.0);"," }","//VTK::TCoord::Impl"],!1).result,e.Vertex=i}t.rebuildLICShaders=!1,e.Fragment=s,n.replaceShaderValues(e,r,o),a>0&&t.lastBoundBO.set({lastLightComplexity:a},!0)},e.setMapperShaderParameters=(e,r,o)=>{n.setMapperShaderParameters(e,r,o),t.canDrawLIC&&e.getProgram().setUniformi("uMaskOnSurface",t.maskOnSurface)},e.getNeedToRebuildBufferObjects=(e,r)=>t.rebuildLICBuffers||n.getNeedToRebuildBufferObjects(e,r),e.buildBufferObjects=(e,r)=>{if(t.canDrawLIC){const e=t.renderable.getInputArrayToProcess(0);e&&e.getNumberOfComponents()>1&&t.renderable.setCustomShaderAttributes([e.getName()])}t.rebuildLICBuffers=!1,n.buildBufferObjects(e,r)},e.pushState=e=>{t.stateCache={[e.BLEND]:e.isEnabled(e.BLEND),[e.DEPTH_TEST]:e.isEnabled(e.DEPTH_TEST),[e.SCISSOR_TEST]:e.isEnabled(e.SCISSOR_TEST),[e.CULL_FACE]:e.isEnabled(e.CULL_FACE)}},e.popState=e=>{const n=n=>t.stateCache[n]?e.enable(n):e.disable(n);n(e.BLEND),n(e.DEPTH_TEST),n(e.SCISSOR_TEST),n(e.CULL_FACE)},e.renderPiece=(r,o)=>{let a=!0;t._openGLRenderWindow.getWebgl2()||(Om("SurfaceLICMapper Requires WebGL 2"),a=!1),t.context.getExtension("EXT_color_buffer_float")&&t.context.getExtension("OES_texture_float_linear")||(Om("SurfaceLICMapper requires the EXT_color_buffer_float and OES_texture_float_linear WebGL2 extensions."),a=!1),t.currentInput=t.renderable.getInputData(),t.currentInput||(Om("No input"),a=!1);let i=t.renderable.getLicInterface();i||(i=Cm.newInstance(),t.renderable.setLicInterface(i)),t.openGLLicInterface||(t.openGLLicInterface=wm.newInstance()),i!==t.openGLLicInterface.getLicInterface()&&t.openGLLicInterface.setLicInterface(i);const s=t.renderable.getInputArrayToProcess(0);if(i.getEnableLIC()&&(!s||s.getNumberOfComponents()<2)&&(Om("No vector input array"),a=!1),i.getEnableLIC()||(a=!1),t.canDrawLIC!==a&&(t.rebuildLICShaders=!0,t.rebuildLICBuffers=!0),t.canDrawLIC=a,!a||!i.getEnableLIC())return void n.renderPiece(r,o);const l=t.context,c=o.getProperty().getBackfaceCulling(),u=o.getProperty().getFrontfaceCulling();c||u?u?(t._openGLRenderWindow.enableCullFace(),l.cullFace(l.FRONT)):(t._openGLRenderWindow.enableCullFace(),l.cullFace(l.BACK)):t._openGLRenderWindow.disableCullFace();const d=t._openGLRenderWindow.getSize(),p=d.map((e=>Math.round(e*i.getViewPortScale())));t.openGLLicInterface.setSize(p),t.openGLLicInterface.setOpenGLRenderWindow(t._openGLRenderWindow),t.openGLLicInterface.setContext(t.context),e.pushState(t.context),t.openGLLicInterface.initializeResources(),t.openGLLicInterface.prepareForGeometry(),e.popState(t.context),n.renderPieceStart(r,o),n.renderPieceDraw(r,o),n.renderPieceFinish(r,o),e.pushState(t.context),t.VBOBuildTime.modified(),t.openGLLicInterface.completedGeometry(),t.context.disable(t.context.CULL_FACE),t.openGLLicInterface.applyLIC(),t.openGLLicInterface.combineColorsAndLIC(),t.openGLLicInterface.copyToScreen(d),e.popState(t.context)}}const Rm={canDrawLIC:!1,rebuildLICShaders:!1,rebuildLICBuffers:!1,openGLLicInterface:null};const Vm=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Rm,n),fp.extend(e,t,n),Mm(e,t),At(e,t,["openGLLicInterface"])}),"vtkOpenGLSurfaceLICMapper");rn("vtkSurfaceLICMapper",Vm);const{vtkErrorMacro:Em}=Kt;function Dm(e,t){t.classHierarchy.push("vtkOpenGLSphereMapper");const n={...e};e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkSphereMapperVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// this shader implements imposters in OpenGL for Spheres\n\nattribute vec4 vertexMC;\nattribute vec2 offsetMC;\n\n// optional normal declaration\n//VTK::Normal::Dec\n\n//VTK::Picking::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\nuniform mat3 normalMatrix; // transform model coordinate directions to view coordinates\n\n// material property values\n//VTK::Color::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\nvarying vec4 vertexVCVSOutput;\nvarying float radiusVCVSOutput;\nvarying vec3 centerVCVSOutput;\n\nuniform int cameraParallel;\nuniform float scaleFactor;\n\nvoid main()\n{\n //VTK::Picking::Impl\n\n //VTK::Color::Impl\n\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Clip::Impl\n\n // compute the projected vertex position\n vec2 scaledOffsetMC = scaleFactor * offsetMC;\n vertexVCVSOutput = MCVCMatrix * vertexMC;\n centerVCVSOutput = vertexVCVSOutput.xyz;\n radiusVCVSOutput = length(scaledOffsetMC)*0.5;\n\n // make the triangle face the camera\n if (cameraParallel == 0)\n {\n vec3 dir = normalize(-vertexVCVSOutput.xyz);\n vec3 base2 = normalize(cross(dir,vec3(1.0,0.0,0.0)));\n vec3 base1 = cross(base2,dir);\n vertexVCVSOutput.xyz = vertexVCVSOutput.xyz + scaledOffsetMC.x*base1 + scaledOffsetMC.y*base2;\n }\n else\n {\n // add in the offset\n vertexVCVSOutput.xy = vertexVCVSOutput.xy + scaledOffsetMC;\n }\n\n gl_Position = VCPCMatrix * vertexVCVSOutput;\n}\n",e.Fragment=Xd,e.Geometry=""},e.replaceShaderValues=(e,r,o)=>{let a=e.Vertex,i=e.Fragment;a=xd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 VCPCMatrix;\n","uniform mat4 MCVCMatrix;"]).result,i=xd.substitute(i,"//VTK::PositionVC::Dec",["varying vec4 vertexVCVSOutput;"]).result,i=xd.substitute(i,"//VTK::PositionVC::Impl",["vec4 vertexVC = vertexVCVSOutput;\n"]).result,i=xd.substitute(i,"//VTK::Normal::Dec",["uniform float invertedDepth;\n","uniform int cameraParallel;\n","varying float radiusVCVSOutput;\n","varying vec3 centerVCVSOutput;\n","uniform mat4 VCPCMatrix;\n"]).result;let s="";t.context.getExtension("EXT_frag_depth")&&(s="gl_FragDepthEXT = (pos.z / pos.w + 1.0) / 2.0;\n"),t._openGLRenderWindow.getWebgl2()&&(s="gl_FragDepth = (pos.z / pos.w + 1.0) / 2.0;\n"),i=xd.substitute(i,"//VTK::Depth::Impl",[" vec3 EyePos;\n"," vec3 EyeDir;\n"," if (cameraParallel != 0) {\n"," EyePos = vec3(vertexVC.x, vertexVC.y, vertexVC.z + 3.0*radiusVCVSOutput);\n"," EyeDir = vec3(0.0,0.0,-1.0); }\n"," else {\n"," EyeDir = vertexVC.xyz;\n"," EyePos = vec3(0.0,0.0,0.0);\n"," float lengthED = length(EyeDir);\n"," EyeDir = normalize(EyeDir);\n"," if (lengthED > radiusVCVSOutput*3.0) {\n"," EyePos = vertexVC.xyz - EyeDir*3.0*radiusVCVSOutput; }\n"," }\n"," EyePos = EyePos - centerVCVSOutput;\n"," EyePos = EyePos/radiusVCVSOutput;\n"," float b = 2.0*dot(EyePos,EyeDir);\n"," float c = dot(EyePos,EyePos) - 1.0;\n"," float d = b*b - 4.0*c;\n"," vec3 normalVCVSOutput = vec3(0.0,0.0,1.0);\n"," if (d < 0.0) { discard; }\n"," else {\n"," float t = (-b - invertedDepth*sqrt(d))*0.5;\n"," normalVCVSOutput = invertedDepth*normalize(EyePos + t*EyeDir);\n"," vertexVC.xyz = normalVCVSOutput*radiusVCVSOutput + centerVCVSOutput;\n"," }\n"," vec4 pos = VCPCMatrix * vertexVC;\n",s]).result,i=xd.substitute(i,"//VTK::Normal::Impl","").result,t.haveSeenDepthRequest&&(i=xd.substitute(i,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float computedZ = (pos.z / pos.w + 1.0) / 2.0;","float iz = floor(computedZ * 65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),e.Vertex=a,e.Fragment=i,n.replaceShaderValues(e,r,o)},e.setMapperShaderParameters=(e,r,o)=>{if(e.getCABO().getElementCount()&&(t.VBOBuildTime>e.getAttributeUpdateTime().getMTime()||e.getShaderSourceTime().getMTime()>e.getAttributeUpdateTime().getMTime())&&e.getProgram().isAttributeUsed("offsetMC")&&(e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),"offsetMC",12,e.getCABO().getStride(),t.context.FLOAT,2,!1)||Em("Error setting 'offsetMC' in shader VAO.")),e.getProgram().isUniformUsed("invertedDepth")&&e.getProgram().setUniformf("invertedDepth",t.invert?-1:1),e.getProgram().isUniformUsed("scaleFactor")){const n=t.currentInput.getPointData();null!=t.renderable.getScaleArray()&&n.hasArray(t.renderable.getScaleArray())?e.getProgram().setUniformf("scaleFactor",t.renderable.getScaleFactor()):e.getProgram().setUniformf("scaleFactor",1)}n.setMapperShaderParameters(e,r,o)},e.setCameraShaderParameters=(e,n,r)=>{const o=e.getProgram(),a=n.getActiveCamera(),i=t.openGLCamera.getKeyMatrices(n);if(o.isUniformUsed("VCPCMatrix")&&o.setUniformMatrix("VCPCMatrix",i.vcpc),o.isUniformUsed("MCVCMatrix"))if(r.getIsIdentity())o.setUniformMatrix("MCVCMatrix",i.wcvc);else{const e=t.openGLActor.getKeyMatrices(),n=new Float64Array(16);b(n,i.wcvc,e.mcwc),o.setUniformMatrix("MCVCMatrix",n)}o.isUniformUsed("cameraParallel")&&e.getProgram().setUniformi("cameraParallel",a.getParallelProjection())},e.getOpenGLMode=(e,n)=>t.context.TRIANGLES,e.buildBufferObjects=(e,n)=>{const r=t.currentInput;if(null===r)return;t.renderable.mapScalars(r,1);const o=t.renderable.getColorMapColors(),a=t.primitives[t.primTypes.Tris].getCABO(),i=r.getPointData(),s=r.getPoints(),l=s.getNumberOfPoints(),c=s.getData();let u=null;null!=t.renderable.getScaleArray()&&i.hasArray(t.renderable.getScaleArray())&&(u=i.getArray(t.renderable.getScaleArray()).getData());let d=null,p=0,f=null;o?(p=o.getNumberOfComponents(),a.setColorOffset(0),a.setColorBOStride(4),d=o.getData(),f=new Uint8Array(3*l*4),a.getColorBO()||a.setColorBO(ad.newInstance()),a.getColorBO().setOpenGLRenderWindow(t._openGLRenderWindow)):a.getColorBO()&&a.setColorBO(null),a.setColorComponents(p);const g=new Float32Array(5*l*3);a.setStride(20);const m=Math.cos(Eo(30));let h=0,v=0,y=0,b=0;for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Lm,n),fp.extend(e,t,n),Dm(e,t)}),"vtkOpenGLSphereMapper");rn("vtkSphereMapper",Bm);const{vtkErrorMacro:Nm}=Kt;function km(e,t){t.classHierarchy.push("vtkOpenGLStickMapper");const n={...e};e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkStickMapperVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// this shader implements imposters in OpenGL for Sticks\n\nattribute vec4 vertexMC;\nattribute vec3 orientMC;\nattribute vec4 offsetMC;\nattribute float radiusMC;\n\n// optional normal declaration\n//VTK::Normal::Dec\n\n//VTK::Picking::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\nuniform mat3 normalMatrix; // transform model coordinate directions to view coordinates\n\n// material property values\n//VTK::Color::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\nvarying vec4 vertexVCVSOutput;\nvarying float radiusVCVSOutput;\nvarying float lengthVCVSOutput;\nvarying vec3 centerVCVSOutput;\nvarying vec3 orientVCVSOutput;\n\nuniform int cameraParallel;\n\nvoid main()\n{\n //VTK::Picking::Impl\n\n //VTK::Color::Impl\n\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Clip::Impl\n\n vertexVCVSOutput = MCVCMatrix * vertexMC;\n centerVCVSOutput = vertexVCVSOutput.xyz;\n radiusVCVSOutput = radiusMC;\n lengthVCVSOutput = length(orientMC);\n orientVCVSOutput = normalMatrix * normalize(orientMC);\n\n // make sure it is pointing out of the screen\n if (orientVCVSOutput.z < 0.0)\n {\n orientVCVSOutput = -orientVCVSOutput;\n }\n\n // make the basis\n vec3 xbase;\n vec3 ybase;\n vec3 dir = vec3(0.0,0.0,1.0);\n if (cameraParallel == 0)\n {\n dir = normalize(-vertexVCVSOutput.xyz);\n }\n if (abs(dot(dir,orientVCVSOutput)) == 1.0)\n {\n xbase = normalize(cross(vec3(0.0,1.0,0.0),orientVCVSOutput));\n ybase = cross(xbase,orientVCVSOutput);\n }\n else\n {\n xbase = normalize(cross(orientVCVSOutput,dir));\n ybase = cross(orientVCVSOutput,xbase);\n }\n\n vec3 offsets = offsetMC.xyz*2.0-1.0;\n vertexVCVSOutput.xyz = vertexVCVSOutput.xyz +\n radiusVCVSOutput*offsets.x*xbase +\n radiusVCVSOutput*offsets.y*ybase +\n 0.5*lengthVCVSOutput*offsets.z*orientVCVSOutput;\n\n gl_Position = VCPCMatrix * vertexVCVSOutput;\n}\n",e.Fragment=Xd,e.Geometry=""},e.replaceShaderValues=(e,r,o)=>{let a=e.Vertex,i=e.Fragment;a=xd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 VCPCMatrix;\n","uniform mat4 MCVCMatrix;"]).result,i=xd.substitute(i,"//VTK::PositionVC::Dec","varying vec4 vertexVCVSOutput;").result,i=xd.substitute(i,"//VTK::PositionVC::Impl"," vec4 vertexVC = vertexVCVSOutput;\n").result,i=xd.substitute(i,"//VTK::Normal::Dec",["uniform int cameraParallel;\n","varying float radiusVCVSOutput;\n","varying vec3 orientVCVSOutput;\n","varying float lengthVCVSOutput;\n","varying vec3 centerVCVSOutput;\n","uniform mat4 VCPCMatrix;\n"]).result;let s="";t.context.getExtension("EXT_frag_depth")&&(s=" gl_FragDepthEXT = (pos.z / pos.w + 1.0) / 2.0;\n"),t._openGLRenderWindow.getWebgl2()&&(s="gl_FragDepth = (pos.z / pos.w + 1.0) / 2.0;\n"),i=xd.substitute(i,"//VTK::Depth::Impl",[" vec3 EyePos;\n"," vec3 EyeDir;\n"," if (cameraParallel != 0) {\n"," EyePos = vec3(vertexVC.x, vertexVC.y, vertexVC.z + 3.0*radiusVCVSOutput);\n"," EyeDir = vec3(0.0,0.0,-1.0); }\n"," else {\n"," EyeDir = vertexVC.xyz;\n"," EyePos = vec3(0.0,0.0,0.0);\n"," float lengthED = length(EyeDir);\n"," EyeDir = normalize(EyeDir);\n"," if (lengthED > radiusVCVSOutput*3.0) {\n"," EyePos = vertexVC.xyz - EyeDir*3.0*radiusVCVSOutput; }\n"," }\n"," EyePos = EyePos - centerVCVSOutput;\n"," vec3 base1;\n"," if (abs(orientVCVSOutput.z) < 0.99) {\n"," base1 = normalize(cross(orientVCVSOutput,vec3(0.0,0.0,1.0))); }\n"," else {\n"," base1 = normalize(cross(orientVCVSOutput,vec3(0.0,1.0,0.0))); }\n"," vec3 base2 = cross(orientVCVSOutput,base1);\n"," EyePos = vec3(dot(EyePos,base1),dot(EyePos,base2),dot(EyePos,orientVCVSOutput));\n"," EyeDir = vec3(dot(EyeDir,base1),dot(EyeDir,base2),dot(EyeDir,orientVCVSOutput));\n"," EyePos = EyePos/radiusVCVSOutput;\n"," float a = EyeDir.x*EyeDir.x + EyeDir.y*EyeDir.y;\n"," float b = 2.0*(EyePos.x*EyeDir.x + EyePos.y*EyeDir.y);\n"," float c = EyePos.x*EyePos.x + EyePos.y*EyePos.y - 1.0;\n"," float d = b*b - 4.0*a*c;\n"," vec3 normalVCVSOutput = vec3(0.0,0.0,1.0);\n"," if (d < 0.0) { discard; }\n"," else {\n"," float t = (-b - sqrt(d))/(2.0*a);\n"," float tz = EyePos.z + t*EyeDir.z;\n"," vec3 iPoint = EyePos + t*EyeDir;\n"," if (abs(iPoint.z)*radiusVCVSOutput > lengthVCVSOutput*0.5) {\n"," float t2 = (-b + sqrt(d))/(2.0*a);\n"," float tz2 = EyePos.z + t2*EyeDir.z;\n"," if (tz2*radiusVCVSOutput > lengthVCVSOutput*0.5 || tz*radiusVCVSOutput < -0.5*lengthVCVSOutput) { discard; }\n"," else {\n"," normalVCVSOutput = orientVCVSOutput;\n"," float t3 = (lengthVCVSOutput*0.5/radiusVCVSOutput - EyePos.z)/EyeDir.z;\n"," iPoint = EyePos + t3*EyeDir;\n"," vertexVC.xyz = radiusVCVSOutput*(iPoint.x*base1 + iPoint.y*base2 + iPoint.z*orientVCVSOutput) + centerVCVSOutput;\n"," }\n"," }\n"," else {\n"," normalVCVSOutput = iPoint.x*base1 + iPoint.y*base2;\n"," vertexVC.xyz = radiusVCVSOutput*(normalVCVSOutput + iPoint.z*orientVCVSOutput) + centerVCVSOutput;\n"," }\n"," }\n"," vec4 pos = VCPCMatrix * vertexVC;\n",s]).result,i=xd.substitute(i,"//VTK::Normal::Impl","").result,t.haveSeenDepthRequest&&(i=xd.substitute(i,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float computedZ = (pos.z / pos.w + 1.0) / 2.0;","float iz = floor(computedZ * 65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),e.Vertex=a,e.Fragment=i,n.replaceShaderValues(e,r,o)},e.setMapperShaderParameters=(e,r,o)=>{e.getCABO().getElementCount()&&(t.VBOBuildTime>e.getAttributeUpdateTime().getMTime()||e.getShaderSourceTime().getMTime()>e.getAttributeUpdateTime().getMTime())&&(e.getProgram().isAttributeUsed("orientMC")&&(e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),"orientMC",12,e.getCABO().getStride(),t.context.FLOAT,3,!1)||Nm("Error setting 'orientMC' in shader 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m=null,h=null;null!=t.renderable.getScaleArray()&&i.hasArray(t.renderable.getScaleArray())&&(m=i.getArray(t.renderable.getScaleArray()).getData()),null!=t.renderable.getOrientationArray()&&i.hasArray(t.renderable.getOrientationArray())?h=i.getArray(t.renderable.getOrientationArray()).getData():Nm(["Error setting orientationArray.\n","You have to specify the stick orientation"]);const v=[0,1,3,0,3,2,2,3,5,2,5,4];let y=0,b=0,x=0,T=0;for(let e=0;e=4?255:0,g[T++]=v[t]>=2?255:0,g[T++]=255,b=e*p,d&&(g[T++]=d[b],g[T++]=d[b+1],g[T++]=d[b+2],g[T++]=d[b+3])}a.setElementCount(x/7),a.upload(f,Ju.ARRAY_BUFFER),a.getColorBO().upload(g,Ju.ARRAY_BUFFER),t.VBOBuildTime.modified()}}const Fm={};const _m=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fm,n),fp.extend(e,t,n),km(e,t)}),"vtkOpenGLStickMapper");rn("vtkStickMapper",_m);const Gm=Object.create(null);function Um(e,t){Gm[e]=t}function Wm(e,t){t.classHierarchy.push("vtkWebGPUViewNodeFactory")}const zm={};function Hm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,zm,n),t.overrides=Gm,tn.extend(e,t,n),Wm(0,t)}var jm={newInstance:jt.newInstance(Hm,"vtkWebGPUViewNodeFactory"),extend:Hm};function Km(e,t){t.classHierarchy.push("vtkWebGPUCamera"),e.getProjectionMatrix=(e,n,r,o)=>{if(g(e),t.renderable.getParallelProjection()){const a=t.renderable.getParallelScale(),i=a*n,s=a,l=(o[0]-1)*i,c=(o[0]+1)*i,u=(o[1]-1)*s,d=(o[1]+1)*s,p=1/(c-l),f=1/(d-u);e[0]=2*p,e[5]=2*f,e[10]=1/(r[1]-r[0]),e[12]=(c+l)*p,e[13]=(d+u)*f,e[14]=r[1]/(r[1]-r[0])}else{const a=Math.tan(Math.PI*t.renderable.getViewAngle()/360);let i,s;!0===t.renderable.getUseHorizontalViewAngle()?(i=r[0]*a,s=r[0]*a/n):(i=r[0]*a*n,s=r[0]*a);const l=(o[0]-1)*i,c=(o[0]+1)*i,u=(o[1]-1)*s,d=(o[1]+1)*s;e[0]=2*r[0]/(c-l),e[5]=2*r[0]/(d-u),e[12]=(l+c)/(c-l),e[13]=(u+d)/(d-u),e[10]=0,e[14]=r[0],e[11]=-1,e[15]=0}},e.convertToOpenGLDepth=e=>{if(t.renderable.getParallelProjection())return 1-e;const n=t.renderable.getClippingRangeByReference();let r=-n[0]/e;return r=(n[0]+n[1])/(n[1]-n[0])+2*n[0]*n[1]/(r*(n[1]-n[0])),.5*r+.5},e.getKeyMatrices=n=>{const r=n.getRenderable(),o=n.getParent();if(Math.max(o.getMTime(),e.getMTime(),r.getMTime(),t.renderable.getMTime(),n.getStabilizedTime())>t.keyMatrixTime.getMTime()){const r=t.renderable.getViewMatrix();d(t.keyMatrices.normalMatrix,r),t.keyMatrices.normalMatrix[3]=0,t.keyMatrices.normalMatrix[7]=0,t.keyMatrices.normalMatrix[11]=0,h(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix),m(t.keyMatrices.wcvc,r);const o=n.getStabilizedCenterByReference();x(t.keyMatrices.scvc,t.keyMatrices.wcvc,o);const a=n.getAspectRatio(),i=t.renderable.getClippingRangeByReference();e.getProjectionMatrix(t.keyMatrices.vcpc,a,i,t.renderable.getWindowCenterByReference()),b(t.keyMatrices.scpc,t.keyMatrices.vcpc,t.keyMatrices.scvc),h(t.keyMatrices.pcsc,t.keyMatrices.scpc),t.keyMatrixTime.modified()}return t.keyMatrices}}const $m={keyMatrixTime:null,keyMatrices:null};const qm=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,$m,n),Zt.extend(e,t,n),t.keyMatrixTime={},jt.obj(t.keyMatrixTime),t.keyMatrices={normalMatrix:new Float64Array(16),vcpc:new Float64Array(16),pcsc:new Float64Array(16),wcvc:new Float64Array(16),scpc:new Float64Array(16),scvc:new Float64Array(16)},jt.setGet(e,t,["keyMatrixTime"]),Km(e,t)}));function Xm(e,t){t.classHierarchy.push("vtkWebGPUBindGroup"),e.setBindables=n=>{if(t.bindables.length===n.length){let e=!0;for(let r=0;r{const n=[];for(let e=0;e{let r=e.getMTime();for(let e=0;er?n:r}if(r{const n=[],r=e.getBindGroupLayoutCount(t.label);for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ym,n),jt.obj(e,t),t.bindables=[],t.bindGroupTime={},jt.obj(t.bindGroupTime,{mtime:0}),jt.get(e,t,["bindGroupTime","handle","sizeInBytes","usage"]),jt.setGet(e,t,["label","device","arrayInformation"]),Xm(e,t)}var Qm={newInstance:jt.newInstance(Zm),extend:Zm};function Jm(e,t){t.classHierarchy.push("vtkWebGPUShaderModule"),e.initialize=(e,n)=>{t.device=e,t.handle=t.device.getHandle().createShaderModule({code:n.getCode()})}}const eh={device:null,handle:null};function th(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,eh,n),jt.obj(e,t),jt.get(e,t,["lastCameraMTime"]),jt.setGet(e,t,["device","handle"]),Jm(e,t)}var nh={newInstance:jt.newInstance(th,"vtkWebGPUShaderModule"),extend:th};function rh(e,t){t.classHierarchy.push("vtkWebGPUShaderCache"),e.getShaderModule=e=>{const n=e.getType(),r=e.getHash(),o=t._shaderModules.keys();for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,oh,n),t._shaderModules=new Map,jt.obj(e,t),jt.setGet(e,t,["device","window"]),rh(e,t)}var ih={newInstance:jt.newInstance(ah,"vtkWebGPUShaderCache"),extend:ah,substitute:function(e,t,n){let r=!(arguments.length>3&&void 0!==arguments[3])||arguments[3];const 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Lh(e,t){t.classHierarchy.push("vtkWebGPUFullScreenQuad"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position"),r.addOutput("vec4","vertexVC");let o=r.getCode();o=ih.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4(vertexBC, 1.0);","output.vertexVC = vec4(vertexBC, 1);"]).result,r.setCode(o)},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.updateBuffers=()=>{const e=t.device.getBufferManager().getFullScreenQuadBuffer();t.vertexInput.addBuffer(e,["vertexBC"]),t.numberOfVertices=6}}const Bh={};function Nh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Bh,n),Dh.extend(e,t,n),Lh(e,t)}var 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e=0;et.device.hasCachedObject(e),e.getBuffer=e=>e.hash?t.device.getCachedObject(e.hash,n,e):n(e),e.getBufferForPointArray=(t,n)=>{const r=function(e){let t;switch(e.getDataType()){case sv.UNSIGNED_CHAR:t="uint8";break;case sv.FLOAT:t="float32";break;case sv.UNSIGNED_INT:t="uint32";break;case sv.INT:t="sint32";break;case sv.DOUBLE:t="float32";break;case sv.UNSIGNED_SHORT:t="uint16";break;case sv.SHORT:t="sin16";break;default:t="float32"}switch(e.getNumberOfComponents()){case 2:t+="x2";break;case 3:t.includes("32")||iv(`unsupported x3 type for ${t}`),t+="x3";break;case 4:t+="x4"}return t}(t),o={hash:`${t.getMTime()}I${n.getMTime()}${r}`,usage:av.PointArray,format:r,dataArray:t,indexBuffer:n};return e.getBuffer(o)},e.getFullScreenQuadBuffer=()=>{if(t.fullScreenQuadBuffer)return t.fullScreenQuadBuffer;t.fullScreenQuadBuffer=zh.newInstance(),t.fullScreenQuadBuffer.setDevice(t.device);const e=new Float32Array([-1,-1,0,1,-1,0,1,1,0,-1,-1,0,1,1,0,-1,1,0]);return t.fullScreenQuadBuffer.createAndWrite(e,GPUBufferUsage.VERTEX),t.fullScreenQuadBuffer.setStrideInBytes(12),t.fullScreenQuadBuffer.setArrayInformation([{offset:0,format:"float32x3"}]),t.fullScreenQuadBuffer}}const dv={device:null,fullScreenQuadBuffer:null};function pv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,dv,n),yt(e,t),At(e,t,["device"]),uv(e,t)}var fv={newInstance:Et(pv),extend:pv,...Fh};const{BufferUsage:gv}=fv,{vtkErrorMacro:mv}=jt;function hv(e,t){t.classHierarchy.push("vtkWebGPUStorageBuffer"),e.addEntry=(e,n)=>{if(t._bufferEntryNames.has(e))return void mv(`entry named ${e} already exists`);t._bufferEntryNames.set(e,t.bufferEntries.length);const r=Th(n);t.bufferEntries.push({name:e,type:n,sizeInBytes:r,offset:t.sizeInBytes,nativeType:Ch(n)}),t.sizeInBytes+=r},e.send=e=>{if(!t._buffer){const n={nativeArray:t.Float32Array,usage:gv.Storage,label:t.label};return t._buffer=e.getBufferManager().getBuffer(n),t.bindGroupTime.modified(),void 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i=t[a.nativeType],s=r.length/t.numberOfInstances;for(let e=0;e{const o=t._bufferEntryNames.get(n);if(void 0===o)return void mv(`entry named ${n} not found in UBO`);const a=t.bufferEntries[o];e.createView(a.nativeType);const i=t[a.nativeType],s=r.length/t.numberOfInstances;for(let e=0;e{const o=t._bufferEntryNames.get(n);if(void 0===o)return void mv(`entry named ${n} not found in UBO`);const a=t.bufferEntries[o];e.createView(a.nativeType);const i=t[a.nativeType];for(let e=0;et._sendTime.getMTime(),e.getShaderCode=(e,n)=>{const r=[`struct ${t.label}StructEntry\n{`];for(let e=0;e,\n};\n@binding(${e}) @group(${n}) var ${t.label}: ${t.label}Struct;\n`),r.join("\n")},e.getBindGroupEntry=()=>({resource:{buffer:t._buffer.getHandle()}}),e.clearData=()=>{t.numberOfInstances=0,t.sizeInBytes=0,t.bufferEntries=[],t._bufferEntryNames=new Map,t._buffer=null,delete t.arrayBuffer,delete t.Float32Array}}const vv={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,numberOfInstances:1};function yv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,vv,n),jt.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t._sendTime={},jt.obj(t._sendTime,{mtime:0}),t.bindGroupTime={},jt.obj(t.bindGroupTime,{mtime:0}),t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"read-only-storage"}},jt.get(e,t,["bindGroupTime"]),jt.setGet(e,t,["device","bindGroupLayoutEntry","label","numberOfInstances","sizeInBytes"]),hv(e,t)}var bv={newInstance:jt.newInstance(yv,"vtkWebGPUStorageBuffer"),extend:yv};const{BufferUsage:xv}=fv,{vtkErrorMacro:Tv}=jt;function Cv(e,t){t.classHierarchy.push("vtkWebGPUUniformBuffer"),e.addEntry=(e,n)=>{t._bufferEntryNames.has(e)?Tv(`entry named ${e} already exists`):(t.sortDirty=!0,t._bufferEntryNames.set(e,t.bufferEntries.length),t.bufferEntries.push({name:e,type:n,sizeInBytes:Th(n),offset:-1,nativeType:Ch(n),packed:!1}))},e.sortBufferEntries=()=>{if(!t.sortDirty)return;let e=0;const n=[];let r=4;for(let e=0;e4&&(o.packed=!0,o.offset=e,n.push(o),e+=o.sizeInBytes)}for(let r=0;r{if(!t.UBO){const n={nativeArray:t.Float32Array,usage:xv.UniformArray,label:t.label};t.UBO=e.getBufferManager().getBuffer(n),t.bindGroupTime.modified(),t.sendDirty=!1}t.sendDirty&&(e.getHandle().queue.writeBuffer(t.UBO.getHandle(),0,t.arrayBuffer,0,t.sizeInBytes),t.sendDirty=!1),t.sendTime.modified()},e.createView=e=>{e in t==0&&(t.arrayBuffer||(t.arrayBuffer=new ArrayBuffer(t.sizeInBytes)),t[e]=jt.newTypedArray(e,t.arrayBuffer))},e.setValue=(n,r)=>{e.sortBufferEntries();const o=t._bufferEntryNames.get(n);if(void 0===o)return void Tv(`entry named ${n} not found in UBO`);const a=t.bufferEntries[o];e.createView(a.nativeType);const i=t[a.nativeType];a.lastValue!==r&&(i[a.offset/i.BYTES_PER_ELEMENT]=r,t.sendDirty=!0),a.lastValue=r},e.setArray=(n,r)=>{e.sortBufferEntries();const o=t._bufferEntryNames.get(n);if(void 0===o)return void Tv(`entry named ${n} not found in UBO`);const a=t.bufferEntries[o];e.createView(a.nativeType);const i=t[a.nativeType];let s=!1;for(let e=0;e({resource:{buffer:t.UBO.getHandle()}}),e.getSendTime=()=>t.sendTime.getMTime(),e.getShaderCode=(n,r)=>{e.sortBufferEntries();const o=[`struct ${t.label}Struct\n{`];for(let e=0;e ${t.label}: ${t.label}Struct;`),o.join("\n")}}const Sv={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,bindGroupLayoutEntry:null,bindGroupEntry:null};function Av(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Sv,n),jt.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"uniform"}},t.sendTime={},jt.obj(t.sendTime,{mtime:0}),t.bindGroupTime={},jt.obj(t.bindGroupTime,{mtime:0}),t.sendDirty=!0,t.sortDirty=!0,jt.get(e,t,["binding","bindGroupTime"]),jt.setGet(e,t,["bindGroupLayoutEntry","device","label","sizeInBytes"]),Cv(e,t)}var Pv={newInstance:jt.newInstance(Av,"vtkWebGPUUniformBuffer"),extend:Av};const{vtkDebugMacro:Iv}=Kt,wv="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = mapperUBO.BackgroundColor;\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n",Ov=new Float64Array(16),Mv=new Float64Array(16);function Rv(e,t){t.classHierarchy.push("vtkWebGPURenderer"),e.buildPass=n=>{if(n){if(!t.renderable)return;t.camera=t.renderable.getActiveCamera(),e.updateLights(),e.prepareNodes(),e.addMissingNode(t.camera),e.addMissingNodes(t.renderable.getViewPropsWithNestedProps()),e.removeUnusedNodes(),t.webgpuCamera=e.getViewNodeFor(t.camera),e.updateStabilizedMatrix()}},e.updateStabilizedMatrix=()=>{const e=t.camera.getClippingRange(),n=t.camera.getPositionByReference(),r=[],o=[];On(o,t.camera.getDirectionOfProjectionByReference(),.5*(e[0]+e[1])),In(r,n,o),_n(o,r,t.stabilizedCenter),Un(o)/(e[1]-e[0])>t.recenterThreshold&&(t.stabilizedCenter=r,t.stabilizedTime.modified())},e.updateLights=()=>{let e=0;const n=t.renderable.getLightsByReference();for(let t=0;t0&&e++;return e||(Iv("No lights are on, creating one."),t.renderable.createLight()),e},e.updateUBO=()=>{const n=t.UBO.getSendTime();if(t._parent.getMTime()>n||e.getMTime()>n||t.camera.getMTime()>n||t.renderable.getMTime()>n){const n=t.webgpuCamera.getKeyMatrices(e);t.UBO.setArray("WCVCMatrix",n.wcvc),t.UBO.setArray("SCPCMatrix",n.scpc),t.UBO.setArray("PCSCMatrix",n.pcsc),t.UBO.setArray("SCVCMatrix",n.scvc),t.UBO.setArray("VCPCMatrix",n.vcpc),t.UBO.setArray("WCVCNormals",n.normalMatrix),t.UBO.setValue("LightCount",t.renderable.getLights().length),t.UBO.setValue("MaxEnvironmentMipLevel",t.renderable.getEnvironmentTexture()?.getMipLevel()),t.UBO.setValue("BackgroundDiffuseStrength",t.renderable.getEnvironmentTextureDiffuseStrength()),t.UBO.setValue("BackgroundSpecularStrength",t.renderable.getEnvironmentTextureSpecularStrength());const r=e.getYInvertedTiledSizeAndOrigin();t.UBO.setArray("viewportSize",[r.usize,r.vsize]),t.UBO.setValue("cameraParallel",t.camera.getParallelProjection());const o=t._parent.getDevice();t.UBO.sendIfNeeded(o)}},e.updateSSBO=()=>{const n=t.renderable.getLights(),r=t.webgpuCamera.getKeyMatrices(e);let o=`${t.renderable.getMTime()}`;for(let e=0;e=90?0:2:1,s[l+1]=Math.cos(Eo(n[t].getConeAngle())),s[l+2]=Math.cos(Eo(n[t].getConeAngle()+n[t].getConeFalloff())),s[l+3]=0}t.SSBO.clearData(),t.SSBO.setNumberOfInstances(n.length),t.SSBO.addEntry("LightPos","vec4"),t.SSBO.addEntry("LightDir","vec4"),t.SSBO.addEntry("LightColor","vec4"),t.SSBO.addEntry("LightData","vec4"),t.SSBO.setAllInstancesFromArray("LightPos",e),t.SSBO.setAllInstancesFromArray("LightDir",o),t.SSBO.setAllInstancesFromArray("LightColor",i),t.SSBO.setAllInstancesFromArray("LightData",s);const l=t._parent.getDevice();t.SSBO.send(l)}var a;t.lightTimeString=o},e.scissorAndViewport=t=>{const n=e.getYInvertedTiledSizeAndOrigin();t.getHandle().setViewport(n.lowerLeftU,n.lowerLeftV,n.usize,n.vsize,0,1),t.getHandle().setScissorRect(n.lowerLeftU,n.lowerLeftV,n.usize,n.vsize)},e.bindUBO=e=>{e.activateBindGroup(t.bindGroup)},e.opaquePass=n=>{n?(t.renderEncoder.begin(t._parent.getCommandEncoder()),e.updateUBO(),e.updateSSBO()):(e.scissorAndViewport(t.renderEncoder),e.clear(),t.renderEncoder.end())},e.clear=()=>{if(t.renderable.getTransparent()||t.suppressClear)return;const n=t._parent.getDevice();if(!t.clearFSQ){t.clearFSQ=kh.newInstance(),t.clearFSQ.setDevice(n),t.clearFSQ.setPipelineHash("clearfsq"),t.clearFSQ.setFragmentShaderTemplate(wv);const e=Pv.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e),t.backgroundTex=t.renderable.getEnvironmentTexture()}if("clearfsqwithtexture"!==t.clearFSQ.getPipelineHash()&&t.renderable.getUseEnvironmentTextureAsBackground()&&t.backgroundTex?.getImageLoaded()){t.clearFSQ.setFragmentShaderTemplate("\nfn vecToRectCoord(dir: vec3) -> vec2 {\n var tau: f32 = 6.28318530718;\n var pi: f32 = 3.14159265359;\n var out: vec2 = vec2(0.0);\n\n out.x = atan2(dir.z, dir.x) / tau;\n out.x += 0.5;\n\n var phix: f32 = length(vec2(dir.x, dir.z));\n out.y = atan2(dir.y, phix) / pi + 0.5;\n\n return out;\n}\n\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var tcoord: vec4 = vec4(input.vertexVC.xy, -1, 1);\n var V: vec4 = normalize(mapperUBO.FSQMatrix * tcoord); // vec2((input.tcoordVS.x - 0.5) * 2, -(input.tcoordVS.y - 0.5) * 2);\n // textureSampleLevel gets rid of some ugly artifacts\n var background = textureSampleLevel(EnvironmentTexture, EnvironmentTextureSampler, vecToRectCoord(V.xyz), 0);\n var computedColor: vec4 = vec4(background.rgb, 1);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n");const e=Pv.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e);const r=n.getTextureManager().getTextureForVTKTexture(t.backgroundTex);if(r.getReady()){const e=r.createView("EnvironmentTexture");t.clearFSQ.setTextureViews([e]),t.backgroundTexLoaded=!0;const o=t.backgroundTex.getInterpolate()?"linear":"nearest";e.addSampler(n,{addressModeU:"repeat",addressModeV:"clamp-to-edge",addressModeW:"repeat",minFilter:o,magFilter:o,mipmapFilter:"linear"})}t.clearFSQ.setPipelineHash("clearfsqwithtexture")}else if("clearfsqwithtexture"===t.clearFSQ.getPipelineHash()&&!t.renderable.getUseEnvironmentTextureAsBackground()){t.clearFSQ=kh.newInstance(),t.clearFSQ.setDevice(n),t.clearFSQ.setPipelineHash("clearfsq"),t.clearFSQ.setFragmentShaderTemplate(wv);const e=Pv.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e)}const r=t.webgpuCamera.getKeyMatrices(e),o=t.renderable.getBackgroundByReference();t.clearFSQ.getUBO().setArray("BackgroundColor",o),m(Mv,r.normalMatrix),oe(Ov,r.scvc,r.pcsc),oe(Ov,Mv,Ov),t.clearFSQ.getUBO().setArray("FSQMatrix",Ov),t.clearFSQ.getUBO().sendIfNeeded(n),t.clearFSQ.prepareAndDraw(t.renderEncoder)},e.translucentPass=n=>{n?t.renderEncoder.begin(t._parent.getCommandEncoder()):(e.scissorAndViewport(t.renderEncoder),t.renderEncoder.end())},e.volumeDepthRangePass=n=>{n?t.renderEncoder.begin(t._parent.getCommandEncoder()):(e.scissorAndViewport(t.renderEncoder),t.renderEncoder.end())},e.getAspectRatio=()=>{const e=t._parent.getSizeByReference(),n=t.renderable.getViewportByReference();return e[0]*(n[2]-n[0])/((n[3]-n[1])*e[1])},e.convertToOpenGLDepth=e=>t.webgpuCamera.convertToOpenGLDepth(e),e.getYInvertedTiledSizeAndOrigin=()=>{const n=e.getTiledSizeAndOrigin(),r=t._parent.getSizeByReference();return n.lowerLeftV=r[1]-n.vsize-n.lowerLeftV,n},e.getTiledSizeAndOrigin=()=>{const e=t.renderable.getViewportByReference(),n=[0,0,1,1],r=e[0]-n[0],o=e[1]-n[1],a=t._parent.normalizedDisplayToDisplay(r,o),i=Math.round(a[0]),s=Math.round(a[1]),l=e[2]-n[0],c=e[3]-n[1],u=t._parent.normalizedDisplayToDisplay(l,c);let d=Math.round(u[0])-i,p=Math.round(u[1])-s;return d<0&&(d=0),p<0&&(p=0),{usize:d,vsize:p,lowerLeftU:i,lowerLeftV:s}},e.getPropFromID=e=>{for(let n=0;nt.stabilizedTime.getMTime(),e.releaseGraphicsResources=()=>{null!==t.selector&&t.selector.releaseGraphicsResources()}}const Vv={bindGroup:null,selector:null,renderEncoder:null,recenterThreshold:20,suppressClear:!1,stabilizedCenter:[0,0,0]};const Ev=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Vv,n),Zt.extend(e,t,n),t.UBO=Pv.newInstance({label:"rendererUBO"}),t.UBO.addEntry("WCVCMatrix","mat4x4"),t.UBO.addEntry("SCPCMatrix","mat4x4"),t.UBO.addEntry("PCSCMatrix","mat4x4"),t.UBO.addEntry("SCVCMatrix","mat4x4"),t.UBO.addEntry("VCPCMatrix","mat4x4"),t.UBO.addEntry("WCVCNormals","mat4x4"),t.UBO.addEntry("viewportSize","vec2"),t.UBO.addEntry("LightCount","i32"),t.UBO.addEntry("MaxEnvironmentMipLevel","f32"),t.UBO.addEntry("BackgroundDiffuseStrength","f32"),t.UBO.addEntry("BackgroundSpecularStrength","f32"),t.UBO.addEntry("cameraParallel","u32"),t.SSBO=bv.newInstance({label:"rendererLightSSBO"}),t.lightTimeString="",t.bindGroup=Qm.newInstance({label:"rendererBG"}),t.bindGroup.setBindables([t.UBO,t.SSBO]),t.tmpMat4=g(new Float64Array(16)),t.stabilizedTime={},yt(t.stabilizedTime,{mtime:0}),xt(e,t,["bindGroup","stabilizedTime"]),Pt(e,t,["stabilizedCenter"]),At(e,t,["renderEncoder","selector","suppressClear","UBO"]),Rv(e,t)}),"vtkWebGPURenderer");Um("vtkRenderer",Ev);const{CoordinateSystem:Dv}=is;function Lv(e,t){t.classHierarchy.push("vtkWebGPUActor"),e.buildPass=n=>{n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes())},e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t.WebGPURenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children[0]&&t.children[0].traverse(n),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t.WebGPURenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children[0]&&t.children[0].traverse(n),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.getBufferShift=n=>(e.getKeyMatrices(n),t.bufferShift),e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix();t.bufferShift[0]=n[3],t.bufferShift[1]=n[7],t.bufferShift[2]=n[11];const r=e.getStabilizedCenterByReference();t.renderable.getCoordinateSystem()===Dv.WORLD&&(t.bufferShift[0]-=r[0],t.bufferShift[1]-=r[1],t.bufferShift[2]-=r[2]),m(t.keyMatrices.bcwc,n),t.renderable.getIsIdentity()?g(t.keyMatrices.normalMatrix):(d(t.keyMatrices.normalMatrix,t.keyMatrices.bcwc),t.keyMatrices.normalMatrix[3]=0,t.keyMatrices.normalMatrix[7]=0,t.keyMatrices.normalMatrix[11]=0,h(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix),m(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix)),x(t.keyMatrices.bcwc,t.keyMatrices.bcwc,[-t.bufferShift[0],-t.bufferShift[1],-t.bufferShift[2]]),t.renderable.getCoordinateSystem()===Dv.WORLD?x(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]):d(t.keyMatrices.bcsc,t.keyMatrices.bcwc),t.keyMatricesTime.modified()}return t.keyMatrices}}const Bv={keyMatricesTime:null,keyMatrices:null,propID:void 0,bufferShift:void 0};const Nv=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Bv,n),Zt.extend(e,t,n),t.keyMatricesTime={},jt.obj(t.keyMatricesTime,{mtime:0}),t.keyMatrices={normalMatrix:new Float64Array(16),bcwc:new Float64Array(16),bcsc:new Float64Array(16)},jt.get(e,t,["propID","keyMatricesTime"]),t.bufferShift=[0,0,0,0],Lv(e,t)}));Um("vtkActor",Nv);const{CoordinateSystem:kv}=is;function Fv(e,t){t.classHierarchy.push("vtkWebGPUActor2D"),e.buildPass=n=>{n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes())},e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t.WebGPURenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children[0]&&t.children[0].traverse(n),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t.WebGPURenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children[0]&&t.children[0].traverse(n),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.getBufferShift=n=>(e.getKeyMatrices(n),t.bufferShift),e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.bufferShift[0]=0,t.bufferShift[1]=0,t.bufferShift[2]=0;const n=e.getStabilizedCenterByReference();t.renderable.getCoordinateSystem()===kv.WORLD&&(t.bufferShift[0]-=n[0],t.bufferShift[1]-=n[1],t.bufferShift[2]-=n[2]),g(t.keyMatrices.bcwc),g(t.keyMatrices.normalMatrix),x(t.keyMatrices.bcwc,t.keyMatrices.bcwc,[-t.bufferShift[0],-t.bufferShift[1],-t.bufferShift[2]]),t.renderable.getCoordinateSystem()===kv.WORLD?x(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-n[0],-n[1],-n[2]]):d(t.keyMatrices.bcsc,t.keyMatrices.bcwc),t.keyMatricesTime.modified()}return t.keyMatrices}}const _v={keyMatricesTime:null,keyMatrices:null,propID:void 0,bufferShift:void 0};const Gv=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,_v,n),Zt.extend(e,t,n),t.keyMatricesTime={},jt.obj(t.keyMatricesTime,{mtime:0}),t.keyMatrices={normalMatrix:new Float64Array(16),bcwc:new Float64Array(16),bcsc:new Float64Array(16)},jt.get(e,t,["propID","keyMatricesTime"]),t.bufferShift=[0,0,0,0],Fv(e,t)}));function Uv(e,t){t.classHierarchy.push("vtkWebGPUCubeAxesActor"),e.buildPass=n=>{n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent(),t.CubeAxesActorHelper.getRenderable()||t.CubeAxesActorHelper.setRenderable(t.renderable),e.prepareNodes(),e.addMissingNode(t.CubeAxesActorHelper.getTmActor()),e.addMissingNode(t.renderable.getGridActor()),e.removeUnusedNodes())},e.opaquePass=(e,n)=>{if(e){const e=t.WebGPURenderer?t.WebGPURenderer.getRenderable().getActiveCamera():null,n=t.WebGPURenderer.getTiledSizeAndOrigin();t.CubeAxesActorHelper.updateAPISpecificData([n.usize,n.vsize],e,t.WebGPURenderWindow.getRenderable())}}}Um("vtkActor2D",Gv);const Wv={};const zv=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Wv,n),Zt.extend(e,t,n),t.CubeAxesActorHelper=Xu.newCubeAxesActorHelper(),Uv(e,t)}),"vtkWebGPUCubeAxesActor");Um("vtkCubeAxesActor",zv);const{DisplayLocation:Hv}=Cp;function jv(e,t){t.classHierarchy.push("vtkProperty2D"),e.setDisplayLocationToBackground=()=>e.setDisplayLocation(Hv.BACKGROUND),e.setDisplayLocationToForeground=()=>e.setDisplayLocation(Hv.FOREGROUND),e.setRepresentationToWireframe=()=>e.setRepresentation(ps.WIREFRAME),e.setRepresentationToSurface=()=>e.setRepresentation(ps.SURFACE),e.setRepresentationToPoints=()=>e.setRepresentation(ps.POINTS),e.getRepresentationAsString=()=>jt.enumToString(ps,t.representation)}const Kv={color:[1,1,1],opacity:1,pointSize:1,lineWidth:1,representation:ps.SURFACE,displayLocation:Hv.FOREGROUND};function $v(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Kv,n),jt.obj(e,t),jt.setGet(e,t,["opacity","lineWidth","pointSize","displayLocation","representation"]),jt.setGetArray(e,t,["color"],3),jv(e,t)}var qv={newInstance:jt.newInstance($v,"vtkProperty2D"),extend:$v,...Cp};const{BufferUsage:Xv,PrimitiveTypes:Yv}=fv,{Representation:Zv}=xs,{ScalarMode:Qv}=fc,{CoordinateSystem:Jv}=is,{DisplayLocation:ey}=qv,ty="\n//VTK::Renderer::Dec\n\n//VTK::Color::Dec\n\n//VTK::Normal::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Select::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::IOStructs::Dec\n\n@vertex\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output : vertexOutput;\n\n var vertex: vec4 = vertexBC;\n\n //VTK::Color::Impl\n\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Select::Impl\n\n //VTK::Position::Impl\n\n return output;\n}\n",ny='\nstruct PBRData {\n diffuse: vec3,\n specular: vec3,\n}\n\n// Dot product with the max already in it\nfn mdot(a: vec3, b: vec3) -> f32 {\n return max(0.0, dot(a, b));\n}\n// Dot product with a max in it that does not allow for negative values\n// Physically based rendering is accurate as long as normals are accurate,\n// however this is pretty often not the case. In order to prevent negative\n// values from ruining light calculations and creating zones of zero light,\n// this remapping is used, which smoothly clamps the dot product between\n// zero and one while still maintaining a good amount of accuracy.\nfn cdot(a: vec3, b: vec3) -> f32 {\n var d: f32 = max(0.0, dot(a, b));\n d = pow((d + 1) / 2.0, 2.6);\n return d;\n}\n\n// Lambertian diffuse model\nfn lambertDiffuse(base: vec3, N: vec3, L: vec3) -> vec3 {\n var pi: f32 = 3.14159265359; \n var NdotL: f32 = mdot(N, L);\n NdotL = pow(NdotL, 1.5);\n return (base/pi)*NdotL;\n}\n\n// Yasuhiro Fujii improvement on the Oren-Nayar model\n// https://mimosa-pudica.net/improved-oren-nayar.html\n// p is surface color, o is roughness\nfn fujiiOrenNayar(p: vec3, o: f32, N: vec3, L: vec3, V: vec3) -> vec3 {\n var invpi: f32 = 0.31830988618; // 1/pi\n\n var o2 = o*o;\n var NdotL: f32 = mdot(N, L);\n NdotL = pow(NdotL, 1.5); // Less physically accurate, but hides the "seams" between lights better\n\n var NdotV: f32 = mdot(N, V);\n var LdotV: f32 = mdot(L, V);\n\n var s: f32 = LdotV - NdotL*NdotV;\n var t: f32 = mix(1, max(NdotL, NdotV), step(0, s)); // Mix with step is the equivalent of an if statement\n var A: vec3 = 0.5*(o2 / (o2 + 0.33)) + 0.17*p*(o2 / (o2 + 0.13));\n A = invpi*(1 - A);\n var B: f32 = 0.45*(o2 / (o2 + 0.09));\n B = invpi*B;\n\n return p*NdotL*(A + B*(s/t));\n}\n\n// Fresnel portion of BRDF (IOR only, simplified)\nfn schlickFresnelIOR(V: vec3, N: vec3, ior: f32, k: f32) -> f32 {\n var NdotV: f32 = mdot(V, N);\n var F0: f32 = (pow((ior - 1.0), 2) + k*k) / (pow((ior + 1.0), 2) + k*k); // This takes into account the roughness, which the other one does not\n return F0 + (1 - F0) * pow((1-NdotV), 5); \n}\n\n// Fresnel portion of BRDF (Color ior, better)\nfn schlickFresnelRGB(V: vec3, N: vec3, F0: vec3) -> vec3 {\n var NdotV: f32 = mdot(V, N);\n return F0 + (1 - F0) * pow((1-NdotV), 5); \n}\n\n// Normal portion of BRDF\n// https://learnopengl.com/PBR/Theory\n// Trowbridge-Reitz GGX functions: normal, halfway, roughness^2\nfn trGGX(N: vec3, H: vec3, a: f32) -> f32 {\n var pi: f32 = 3.14159265359; \n\n var a2: f32 = a*a;\n var NdotH = mdot(N, H);\n var NdotH2 = NdotH*NdotH;\n \n var denom: f32 = NdotH2 * (a2 - 1.0) + 1.0;\n\n return a2 / max((pi*denom*denom), 0.000001);\n}\n\n// A VERY bad approximation of anisotropy. Real anisotropic calculations require tangent and bitangent\nfn anisotrophicTrGGX(N: vec3, H: vec3, O: vec3, s: f32, a: f32) -> f32 {\n var Op: vec3 = (rendererUBO.WCVCNormals * vec4(normalize(O) * s, 0.)).xyz;\n\n var ggx1: f32 = trGGX(N + Op*s, H, a);\n var ggx2: f32 = trGGX(N - Op*s, H, a);\n return (0.5 * ggx1 + 0.5 * ggx2);\n}\n\n// Geometry portion of BRDF\nfn schlickGGX(N: vec3, X: vec3, k: f32) -> f32 {\n var NdotX = cdot(N, X);\n return NdotX / max(0.000001, (NdotX*(1-k) + k));\n}\n\nfn smithSurfaceRoughness(N: vec3, V: vec3, L: vec3, k: f32) -> f32 {\n var ggx1: f32 = min(1, schlickGGX(N, V, k));\n var ggx2: f32 = min(1, schlickGGX(N, L, k));\n return ggx1*ggx2;\n}\n\n// BRDF Combination\nfn cookTorrance(D: f32, F: f32, G: f32, N: vec3, V: vec3, L: vec3) -> f32 {\n var num: f32 = D*F*G;\n var denom: f32 = 4*cdot(V, N)*cdot(L, N);\n\n return num / max(denom, 0.000001);\n}\n\n// Different lighting calculations for different light sources\nfn calcDirectionalLight(N: vec3, V: vec3, ior: f32, roughness: f32, metallic: f32, direction: vec3, color: vec3, base: vec3) -> PBRData { \n var L: vec3 = normalize(direction); // Light Vector\n var H: vec3 = normalize(L + V); // Halfway Vector\n\n var alpha = roughness*roughness;\n var k: f32 = alpha*alpha / 2;\n\n var D: f32 = trGGX(N, H, alpha); // Distribution\n // var F: f32 = schlickFresnelIOR(V, N, ior, k); // Fresnel\n var G: f32 = smithSurfaceRoughness(N, V, L, k); // Geometry\n\n var brdf: f32 = cookTorrance(D, 1, G, N, V, L); // Fresnel term is replaced with 1 because it is added later\n var incoming: vec3 = color;\n var angle: f32 = mdot(L, N);\n angle = pow(angle, 1.5);\n\n var specular: vec3 = brdf*incoming*angle;\n // Oren-Nayar gives a clay-like effect when fully rough which some people may not want, so it might be better to give a separate\n // control property for the diffuse vs specular roughness\n var diffuse: vec3 = incoming*fujiiOrenNayar(base, roughness, N, L, V); \n // Stores the specular and diffuse separately to allow for finer post processing\n var out = PBRData(diffuse, specular);\n \n return out; // Returns angle along with color of light so the final color can be multiplied by angle as well (creates black areas)\n}\n\n// TODO: find some way to reduce the number of arguments going in here\nfn calcPointLight(N: vec3, V: vec3, fragPos: vec3, ior: f32, roughness: f32, metallic: f32, position: vec3, color: vec3, base: vec3) -> PBRData {\n var L: vec3 = normalize(position - fragPos); // Light Vector\n var H: vec3 = normalize(L + V); // Halfway Vector\n var dist = distance(position, fragPos);\n\n var alpha = roughness*roughness;\n var k: f32 = alpha*alpha / 2; // could also be pow(alpha + 1.0, 2) / 8\n\n var D: f32 = trGGX(N, H, alpha); // Distribution\n // var F: f32 = schlickFresnelIOR(V, N, ior, k); // Fresnel\n var G: f32 = smithSurfaceRoughness(N, V, L, k); // Geometry\n\n var brdf: f32 = cookTorrance(D, 1, G, N, V, L); \n var incoming: vec3 = color * (1. / (dist*dist));\n var angle: f32 = mdot(L, N);\n angle = pow(angle, 1.5); // Smoothing factor makes it less accurate, but reduces ugly "seams" bewteen light sources\n\n var specular: vec3 = brdf*incoming*angle;\n var diffuse: vec3 = incoming*fujiiOrenNayar(base, roughness, N, L, V);\n\n // Stores the specular and diffuse separately to allow for finer post processing\n // Could also be done (propably more properly) with a struct\n var out = PBRData(diffuse, specular);\n \n return out; // Returns angle along with color of light so the final color can be multiplied by angle as well (creates black areas)\n}\n\n// For a reason unknown to me, spheres dont seem to behave propperly with head-on spot lights\nfn calcSpotLight(N: vec3, V: vec3, fragPos: vec3, ior: f32, roughness: f32, metallic: f32, position: vec3, direction: vec3, cones: vec2, color: vec3, base: vec3) -> PBRData {\n var L: vec3 = normalize(position - fragPos);\n var H: vec3 = normalize(L + V); // Halfway Vector\n var dist = distance(position, fragPos);\n\n var alpha = roughness*roughness;\n var k: f32 = alpha*alpha / 2; // could also be pow(alpha + 1.0, 2) / 8\n\n var D: f32 = trGGX(N, H, alpha); // Distribution\n // var F: f32 = schlickFresnelIOR(V, N, ior, k); // Fresnel\n var G: f32 = smithSurfaceRoughness(N, V, L, k); // Geometry\n\n var brdf: f32 = cookTorrance(D, 1, G, N, V, L); \n \n // Cones.x is the inner phi and cones.y is the outer phi\n var theta: f32 = mdot(normalize(direction), L);\n var epsilon: f32 = cones.x - cones.y;\n var intensity: f32 = (theta - cones.y) / epsilon;\n intensity = clamp(intensity, 0.0, 1.0);\n intensity /= dist*dist;\n\n var incoming: vec3 = color * intensity;\n\n var angle: f32 = mdot(L, N);\n angle = pow(angle, 1.5); // Smoothing factor makes it less accurate, but reduces ugly "seams" bewteen light sources\n\n var specular: vec3 = brdf*incoming*angle;\n var diffuse: vec3 = incoming*fujiiOrenNayar(base, roughness, N, L, V);\n\n // Stores the specular and diffuse separately to allow for finer post processing\n // Could also be done (propably more properly) with a struct\n var out = PBRData(diffuse, specular);\n \n return out; // Returns angle along with color of light so the final color can be multiplied by angle as well (creates black areas)\n}\n\n// Environment mapping stuff\n// Takes in a vector and converts it to an equivalent coordinate in a rectilinear texture. Should be replaced with cubemaps at some point\nfn vecToRectCoord(dir: vec3) -> vec2 {\n var tau: f32 = 6.28318530718;\n var pi: f32 = 3.14159265359;\n var out: vec2 = vec2(0.0);\n\n out.x = atan2(dir.z, dir.x) / tau;\n out.x += 0.5;\n\n var phix: f32 = length(vec2(dir.x, dir.z));\n out.y = atan2(dir.y, phix) / pi + 0.5;\n\n return out;\n}\n\n//VTK::Renderer::Dec\n\n//VTK::Color::Dec\n\n//VTK::TCoord::Dec\n\n// optional surface normal declaration\n//VTK::Normal::Dec\n\n//VTK::Select::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output : fragmentOutput;\n\n // Temporary ambient, diffuse, and opacity\n var ambientColor: vec4 = mapperUBO.AmbientColor;\n var diffuseColor: vec4 = mapperUBO.DiffuseColor;\n var opacity: f32 = mapperUBO.Opacity;\n\n // This should be declared somewhere else\n var _diffuseMap: vec4 = vec4(1);\n var _roughnessMap: vec4 = vec4(1);\n var _metallicMap: vec4 = vec4(1);\n var _normalMap: vec4 = vec4(0, 0, 1, 0); // normal map was setting off the normal vector detection in fragment\n var _ambientOcclusionMap: vec4 = vec4(1);\n var _emissionMap: vec4 = vec4(0);\n\n //VTK::Color::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Normal::Impl\n\n var computedColor: vec4 = vec4(diffuseColor.rgb, 1.0);\n\n //VTK::Light::Impl\n\n //VTK::Select::Impl\n\n if (computedColor.a == 0.0) { discard; };\n\n //VTK::Position::Impl\n\n //VTK::RenderEncoder::Impl\n\n return output;\n}\n';function ry(e){return e.indexOf("edge")>=0}function oy(e,t){t.classHierarchy.push("vtkWebGPUCellArrayMapper"),e.buildPass=n=>{n&&(t.is2D?(t.WebGPUActor=e.getFirstAncestorOfType("vtkWebGPUActor2D"),t.forceZValue=!0):(t.WebGPUActor=e.getFirstAncestorOfType("vtkWebGPUActor"),t.forceZValue=!1),t.coordinateSystem=t.WebGPUActor.getRenderable().getCoordinateSystem(),t.useRendererMatrix=t.coordinateSystem!==Jv.DISPLAY,t.WebGPURenderer=t.WebGPUActor.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent(),t.device=t.WebGPURenderWindow.getDevice())},e.translucentPass=n=>{n&&(e.prepareToDraw(t.WebGPURenderer.getRenderEncoder()),t.renderEncoder.registerDrawCallback(t.pipeline,e.draw))},e.opaquePass=n=>{n&&(e.prepareToDraw(t.WebGPURenderer.getRenderEncoder()),t.renderEncoder.registerDrawCallback(t.pipeline,e.draw))},e.updateUBO=()=>{const n=t.WebGPUActor.getRenderable().getProperty(),r=t.UBO.getSendTime();if(e.getMTime()>r||n.getMTime()>r||t.renderable.getMTime()>r){const e=t.WebGPUActor.getKeyMatrices(t.WebGPURenderer);if(t.UBO.setArray("BCWCMatrix",e.bcwc),t.UBO.setArray("BCSCMatrix",e.bcsc),t.UBO.setArray("MCWCNormals",e.normalMatrix),t.is2D){t.UBO.setValue("ZValue",t.WebGPUActor.getRenderable().getProperty().getDisplayLocation()===ey.FOREGROUND?1:0);const e=n.getColorByReference();t.UBO.setValue("AmbientIntensity",1),t.UBO.setArray("DiffuseColor",[e[0],e[1],e[2],1]),t.UBO.setValue("DiffuseIntensity",0),t.UBO.setValue("SpecularIntensity",0)}else{let e=n.getAmbientColorByReference();t.UBO.setValue("AmbientIntensity",n.getAmbient()),t.UBO.setArray("AmbientColor",[e[0],e[1],e[2],1]),t.UBO.setValue("DiffuseIntensity",n.getDiffuse()),e=n.getDiffuseColorByReference(),t.UBO.setArray("DiffuseColor",[e[0],e[1],e[2],1]),t.UBO.setValue("Roughness",n.getRoughness()),t.UBO.setValue("BaseIOR",n.getBaseIOR()),t.UBO.setValue("Metallic",n.getMetallic()),t.UBO.setValue("NormalStrength",n.getNormalStrength()),t.UBO.setValue("Emission",n.getEmission()),t.UBO.setValue("SpecularIntensity",n.getSpecular()),e=n.getSpecularColorByReference(),t.UBO.setArray("SpecularColor",[e[0],e[1],e[2],1])}const r=n.getEdgeColorByReference?.();r&&t.UBO.setArray("EdgeColor",[r[0],r[1],r[2],1]),t.UBO.setValue("LineWidth",n.getLineWidth()),t.UBO.setValue("Opacity",n.getOpacity()),t.UBO.setValue("PropID",t.WebGPUActor.getPropID());const o=t.WebGPURenderWindow.getDevice();t.UBO.sendIfNeeded(o)}},e.haveWideLines=()=>{const e=t.WebGPUActor.getRenderable(),n=e.getProperty().getRepresentation();return!(e.getProperty().getLineWidth()<=1)&&t.primitiveType!==Yv.Verts&&(t.primitiveType!==Yv.Triangles&&t.primitiveType!==Yv.TriangleStrips||n===Zv.WIREFRAME)},e.replaceShaderPosition=(n,r,o)=>{const a=r.getShaderDescription("vertex");a.addBuiltinOutput("vec4","@builtin(position) Position"),a.hasOutput("vertexVC")||a.addOutput("vec4","vertexVC");let i=a.getCode();t.useRendererMatrix?(i=ih.substitute(i,"//VTK::Position::Impl",[" var pCoord: vec4 = rendererUBO.SCPCMatrix*mapperUBO.BCSCMatrix*vertexBC;"," output.vertexVC = rendererUBO.SCVCMatrix * mapperUBO.BCSCMatrix * vec4(vertexBC.xyz, 1.0);","//VTK::Position::Impl"]).result,t.forceZValue&&(i=ih.substitute(i,"//VTK::Position::Impl",["pCoord = vec4(pCoord.xyz/pCoord.w, 1.0);","pCoord.z = mapperUBO.ZValue;","//VTK::Position::Impl"]).result)):(i=ih.substitute(i,"//VTK::Position::Impl",[" var pCoord: vec4 = mapperUBO.BCSCMatrix*vertexBC;"," pCoord.x = 2.0* pCoord.x / rendererUBO.viewportSize.x - 1.0;"," pCoord.y = 2.0* pCoord.y / rendererUBO.viewportSize.y - 1.0;"," pCoord.z = 0.5 - 0.5 * pCoord.z;","//VTK::Position::Impl"]).result,t.forceZValue&&(i=ih.substitute(i,"//VTK::Position::Impl",[" pCoord.z = mapperUBO.ZValue;","//VTK::Position::Impl"]).result)),e.haveWideLines()&&(a.addBuiltinInput("u32","@builtin(instance_index) instanceIndex"),i=ih.substitute(i,"//VTK::Position::Impl",[" var tmpPos: vec4 = pCoord;"," var numSteps: f32 = ceil(mapperUBO.LineWidth - 1.0);"," var offset: f32 = (mapperUBO.LineWidth - 1.0) * (f32(input.instanceIndex / 2u) - numSteps/2.0) / numSteps;"," var tmpPos2: vec3 = tmpPos.xyz / tmpPos.w;"," tmpPos2.x = tmpPos2.x + 2.0 * (f32(input.instanceIndex) % 2.0) * offset / rendererUBO.viewportSize.x;"," tmpPos2.y = tmpPos2.y + 2.0 * (f32(input.instanceIndex + 1u) % 2.0) * offset / rendererUBO.viewportSize.y;"," tmpPos2.z = min(1.0, tmpPos2.z + 0.00001);"," pCoord = vec4(tmpPos2.xyz * tmpPos.w, tmpPos.w);","//VTK::Position::Impl"]).result),i=ih.substitute(i,"//VTK::Position::Impl",[" output.Position = pCoord;"]).result,a.setCode(i)},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderNormal=(e,n,r)=>{const o=r.getBuffer("normalMC"),a=t.WebGPUActor.getRenderable();if(o){const e=n.getShaderDescription("vertex");e.hasOutput("normalVC")||e.addOutput("vec3","normalVC",o.getArrayInformation()[0].interpolation),e.hasOutput("tangentVC")||e.addOutput("vec3","tangentVC",o.getArrayInformation()[0].interpolation),e.hasOutput("bitangentVC")||e.addOutput("vec3","bitangentVC",o.getArrayInformation()[0].interpolation);let t=e.getCode();t=ih.substitute(t,"//VTK::Normal::Impl",[" output.normalVC = normalize((rendererUBO.WCVCNormals * mapperUBO.MCWCNormals * normalMC).xyz);"," var c1: vec3 = cross(output.normalVC, vec3(0, 0, 1));"," var c2: vec3 = cross(output.normalVC, vec3(0, 1, 0));"," var tangent: vec3 = mix(c1, c2, distance(c1, c2));"," output.tangentVC = normalize(tangent);"," output.bitangentVC = normalize(cross(output.normalVC, tangent));"]).result,e.setCode(t);const r=n.getShaderDescription("fragment");t=r.getCode(),t=a.getProperty().getNormalTexture()?ih.substitute(t,"//VTK::Normal::Impl",[" var normal: vec3 = input.normalVC;"," if (!input.frontFacing) { normal = -normal; }"," var tangent: vec3 = input.tangentVC;"," var bitangent: vec3 = input.bitangentVC;"," var TCVCMatrix: mat3x3 = mat3x3("," tangent.x, bitangent.x, normal.x,"," tangent.y, bitangent.y, normal.y,"," tangent.z, bitangent.z, normal.z,"," );"," var mappedNormal: vec3 = TCVCMatrix * (_normalMap.xyz * 2 - 1);"," normal = mix(normal, mappedNormal, mapperUBO.NormalStrength);"," normal = normalize(normal);"]).result:ih.substitute(t,"//VTK::Normal::Impl",[" var normal: vec3 = input.normalVC;"," if (!input.frontFacing) { normal = -normal; }"," normal = normalize(normal);"]).result,r.setCode(t)}},t.shaderReplacements.set("replaceShaderNormal",e.replaceShaderNormal),e.replaceShaderLight=(e,n,r)=>{if(e.includes("sel"))return;const o=n.getShaderDescription("vertex");o.hasOutput("vertexVC")||o.addOutput("vec4","vertexVC");const a=t.WebGPURenderer.getRenderable(),i=n.getShaderDescription("fragment");let s=i.getCode();if(!s.includes("var normal:")||!t.useRendererMatrix||ry(e)||t.is2D||e.includes("sel"))s=ih.substitute(s,"//VTK::Light::Impl",[" var diffuse: vec3 = diffuseColor.rgb;"," var specular: vec3 = mapperUBO.SpecularColor.rgb * mapperUBO.SpecularColor.a;"," computedColor = vec4(diffuse * _diffuseMap.rgb, mapperUBO.Opacity);"]).result,i.setCode(s);else{const e=[" var pi: f32 = 3.14159265359;"," var fragPos: vec3 = vec3(input.vertexVC.xyz);"," var V: vec3 = mix(normalize(-fragPos), vec3(0, 0, 1), f32(rendererUBO.cameraParallel)); // View Vector"," var baseColor: vec3 = _diffuseMap.rgb * diffuseColor.rgb;"," var roughness: f32 = max(0.000001, mapperUBO.Roughness * _roughnessMap.r);"," var metallic: f32 = mapperUBO.Metallic * _metallicMap.r;"," var alpha: f32 = roughness*roughness;"," var ior: f32 = mapperUBO.BaseIOR;"," var k: f32 = alpha*alpha / 2;"," var diffuse: vec3 = vec3(0.);"," var specular: vec3 = vec3(0.);"," var emission: vec3 = _emissionMap.rgb * mapperUBO.Emission;"," {"," var i: i32 = 0;"," loop {"," if !(i < rendererUBO.LightCount) { break; }"," switch (i32(rendererLightSSBO.values[i].LightData.x)) {"," // Point Light"," case 0 {"," var color: vec3 = rendererLightSSBO.values[i].LightColor.rgb * rendererLightSSBO.values[i].LightColor.w;"," var pos: vec3 = (rendererLightSSBO.values[i].LightPos).xyz;"," var calculated: PBRData = calcPointLight(normal, V, fragPos, ior, roughness, metallic, pos, color, baseColor);"," diffuse += max(vec3(0), calculated.diffuse);"," specular += max(vec3(0), calculated.specular);"," }"," // Directional light"," case 1 {"," var dir: vec3 = (rendererUBO.WCVCNormals * vec4(normalize(rendererLightSSBO.values[i].LightDir.xyz), 0.)).xyz;"," dir = normalize(dir);"," var color: vec3 = rendererLightSSBO.values[i].LightColor.rgb * rendererLightSSBO.values[i].LightColor.w;"," var calculated: PBRData = calcDirectionalLight(normal, V, ior, roughness, metallic, dir, color, baseColor); // diffuseColor.rgb needs to be fixed with a more dynamic diffuse color"," diffuse += max(vec3(0), calculated.diffuse);"," specular += max(vec3(0), calculated.specular);"," }"," // Spot Light"," case 2 {"," var color: vec3 = rendererLightSSBO.values[i].LightColor.rgb * rendererLightSSBO.values[i].LightColor.w;"," var pos: vec3 = (rendererLightSSBO.values[i].LightPos).xyz;"," var dir: vec3 = (rendererUBO.WCVCNormals * vec4(normalize(rendererLightSSBO.values[i].LightDir.xyz), 0.)).xyz;"," dir = normalize(dir);"," var cones: vec2 = vec2(rendererLightSSBO.values[i].LightData.y, rendererLightSSBO.values[i].LightData.z);"," var calculated: PBRData = calcSpotLight(normal, V, fragPos, ior, roughness, metallic, pos, dir, cones, color, baseColor);"," diffuse += max(vec3(0), calculated.diffuse);"," specular += max(vec3(0), calculated.specular);"," }"," default { continue; }"," }"," continuing { i++; }"," }"," }"," var fresnel: f32 = schlickFresnelIOR(V, normal, ior, k); // Fresnel"," fresnel = min(1, fresnel);"," // This could be controlled with its own variable (that isnt base color) for better artistic control"," var fresnelMetallic: vec3 = schlickFresnelRGB(V, normal, baseColor); // Fresnel for metal, takes color into account"," var kS: vec3 = mix(vec3(fresnel), fresnelMetallic, metallic);"," kS = min(vec3(1), kS);"," var kD: vec3 = (1.0 - kS) * (1.0 - metallic);"," var PBR: vec3 = mapperUBO.DiffuseIntensity*kD*diffuse + kS*specular;"," PBR += emission;"," computedColor = vec4(PBR, mapperUBO.Opacity);"];a.getEnvironmentTexture()?.getImageLoaded()&&e.push(" // To get diffuse IBL, the texture is sampled with normals in worldspace"," var diffuseIBLCoords: vec3 = (transpose(rendererUBO.WCVCNormals) * vec4(normal, 1.)).xyz;"," var diffuseCoords: vec2 = vecToRectCoord(diffuseIBLCoords);"," // To get specular IBL, the texture is sampled as the worldspace reflection between the normal and view vectors"," // Reflections are first calculated in viewspace, then converted to worldspace to sample the environment"," var VreflN: vec3 = normalize(reflect(-V, normal));"," var reflectionIBLCoords = (transpose(rendererUBO.WCVCNormals) * vec4(VreflN, 1.)).xyz;"," var specularCoords: vec2 = vecToRectCoord(reflectionIBLCoords);"," var diffuseIBL = textureSampleLevel(EnvironmentTexture, EnvironmentTextureSampler, diffuseCoords, rendererUBO.MaxEnvironmentMipLevel);"," var level = roughness * rendererUBO.MaxEnvironmentMipLevel;"," var specularIBL = textureSampleLevel(EnvironmentTexture, EnvironmentTextureSampler, specularCoords, level);"," var specularIBLContribution: vec3 = specularIBL.rgb*rendererUBO.BackgroundSpecularStrength;"," computedColor += vec4(specularIBLContribution*kS, 0);"," var diffuseIBLContribution: vec3 = diffuseIBL.rgb*rendererUBO.BackgroundDiffuseStrength;"," diffuseIBLContribution *= baseColor * _ambientOcclusionMap.rgb;"," computedColor += vec4(diffuseIBLContribution*kD, 0);"),s=ih.substitute(s,"//VTK::Light::Impl",e).result,i.setCode(s)}},t.shaderReplacements.set("replaceShaderLight",e.replaceShaderLight),e.replaceShaderColor=(e,t,n)=>{if(ry(e)){const e=t.getShaderDescription("fragment");let n=e.getCode();return n=ih.substitute(n,"//VTK::Color::Impl",["ambientColor = mapperUBO.EdgeColor;","diffuseColor = mapperUBO.EdgeColor;"]).result,void e.setCode(n)}const r=n.getBuffer("colorVI");if(!r)return;const o=t.getShaderDescription("vertex");o.addOutput("vec4","color",r.getArrayInformation()[0].interpolation);let a=o.getCode();a=ih.substitute(a,"//VTK::Color::Impl",[" output.color = colorVI;"]).result,o.setCode(a);const i=t.getShaderDescription("fragment");a=i.getCode(),a=ih.substitute(a,"//VTK::Color::Impl",["ambientColor = input.color;","diffuseColor = input.color;","opacity = mapperUBO.Opacity * input.color.a;"]).result,i.setCode(a)},t.shaderReplacements.set("replaceShaderColor",e.replaceShaderColor),e.replaceShaderTCoord=(e,n,r)=>{if(!r.hasAttribute("tcoord"))return;const o=n.getShaderDescription("vertex"),a=r.getBuffer("tcoord"),i=yh(a.getArrayInformation()[0].format);let s=o.getCode();o.addOutput(`vec${i}`,"tcoordVS"),s=ih.substitute(s,"//VTK::TCoord::Impl",[" output.tcoordVS = tcoord;"]).result,o.setCode(s);const l=n.getShaderDescription("fragment");s=l.getCode();const c=t.WebGPUActor.getRenderable(),u=e=>!!e&&e.getDimensionality()===i,d=[];(c.getProperty().getDiffuseTexture?.()?.getImageLoaded()||c.getTextures()[0]||t.colorTexture)&&(u(c.getProperty().getDiffuseTexture?.())||u(c.getTextures()[0])||u(t.colorTexture))&&d.push("_diffuseMap = textureSample(DiffuseTexture, DiffuseTextureSampler, input.tcoordVS);"),c.getProperty().getRoughnessTexture?.()?.getImageLoaded()&&u(c.getProperty().getRoughnessTexture())&&d.push("_roughnessMap = textureSample(RoughnessTexture, RoughnessTextureSampler, input.tcoordVS);"),c.getProperty().getMetallicTexture?.()?.getImageLoaded()&&u(c.getProperty().getMetallicTexture())&&d.push("_metallicMap = textureSample(MetallicTexture, MetallicTextureSampler, input.tcoordVS);"),c.getProperty().getNormalTexture?.()?.getImageLoaded()&&u(c.getProperty().getNormalTexture())&&d.push("_normalMap = textureSample(NormalTexture, NormalTextureSampler, input.tcoordVS);"),c.getProperty().getAmbientOcclusionTexture?.()?.getImageLoaded()&&u(c.getProperty().getAmbientOcclusionTexture())&&d.push("_ambientOcclusionMap = textureSample(AmbientOcclusionTexture, AmbientOcclusionTextureSampler, input.tcoordVS);"),c.getProperty().getEmissionTexture?.()?.getImageLoaded()&&u(c.getProperty().getEmissionTexture())&&d.push("_emissionMap = textureSample(EmissionTexture, EmissionTextureSampler, input.tcoordVS);"),s=ih.substitute(s,"//VTK::TCoord::Impl",d).result,l.setCode(s)},t.shaderReplacements.set("replaceShaderTCoord",e.replaceShaderTCoord),e.replaceShaderSelect=(e,t,n)=>{if(e.includes("sel")){const e=t.getShaderDescription("fragment");let n=e.getCode();n=ih.substitute(n,"//VTK::Select::Impl",[" var compositeID: u32 = 0u;"]).result,e.setCode(n)}},t.shaderReplacements.set("replaceShaderSelect",e.replaceShaderSelect),e.getUsage=(e,t)=>e===Zv.POINTS||t===Yv.Points?Xv.Verts:t===Yv.Lines?Xv.Lines:e===Zv.WIREFRAME?t===Yv.Triangles?Xv.LinesFromTriangles:Xv.LinesFromStrips:t===Yv.Triangles?Xv.Triangles:t===Yv.TriangleStrips?Xv.Strips:t===Yv.TriangleEdges?Xv.LinesFromTriangles:Xv.LinesFromStrips,e.getHashFromUsage=e=>`pt${e}`,e.getTopologyFromUsage=e=>{switch(e){case Xv.Triangles:return"triangle-list";case Xv.Verts:return"point-list";case Xv.Lines:default:return"line-list"}},e.buildVertexInput=()=>{const n=t.currentInput,r=t.cellArray,o=t.primitiveType;let a=t.WebGPUActor.getRenderable().getProperty().getRepresentation();const i=t.WebGPURenderWindow.getDevice();let s=!1;o===Yv.TriangleEdges&&(s=!0,a=Zv.WIREFRAME);const l=t.vertexInput,c=n.getPoints();let u;if(r){const e={hash:`R${a}P${o}${r.getMTime()}`,usage:Xv.Index,cells:r,numberOfPoints:c.getNumberOfPoints(),primitiveType:o,representation:a};u=i.getBufferManager().getBuffer(e),l.setIndexBuffer(u)}else l.setIndexBuffer(null);if(c){const e=t.WebGPUActor.getBufferShift(t.WebGPURenderer),n={hash:`${c.getMTime()}I${u.getMTime()}${e.join()}float32x4`,usage:Xv.PointArray,format:"float32x4",dataArray:c,indexBuffer:u,shift:e,packExtra:!0},r=i.getBufferManager().getBuffer(n);l.addBuffer(r,["vertexBC"])}else l.removeBufferIfPresent("vertexBC");const d=e.getUsage(a,o);if(t._usesCellNormals=!1,t.is2D||d!==Xv.Triangles&&d!==Xv.Strips)l.removeBufferIfPresent("normalMC");else{const e=n.getPointData().getNormals(),a={format:"snorm8x4",indexBuffer:u,packExtra:!0,shift:0,scale:127};if(e){a.hash=`${e.getMTime()}I${u.getMTime()}snorm8x4`,a.dataArray=e,a.usage=Xv.PointArray;const t=i.getBufferManager().getBuffer(a);l.addBuffer(t,["normalMC"])}else if(o===Yv.Triangles){t._usesCellNormals=!0,a.hash=`PFN${c.getMTime()}I${u.getMTime()}snorm8x4`,a.dataArray=c,a.cells=r,a.usage=Xv.NormalsFromPoints;const e=i.getBufferManager().getBuffer(a);l.addBuffer(e,["normalMC"])}else l.removeBufferIfPresent("normalMC")}let p=!1;if(t.renderable.getScalarVisibility()){const e=t.renderable.getColorMapColors();if(e&&!s){const r=t.renderable.getScalarMode();let o=!1;r!==Qv.USE_CELL_DATA&&r!==Qv.USE_CELL_FIELD_DATA&&r!==Qv.USE_FIELD_DATA&&n.getPointData().getScalars()||r===Qv.USE_POINT_FIELD_DATA||!e||(o=!0);const a={usage:Xv.PointArray,format:"unorm8x4",hash:`${o}${e.getMTime()}I${u.getMTime()}unorm8x4`,dataArray:e,indexBuffer:u,cellData:o,cellOffset:0},s=i.getBufferManager().getBuffer(a);l.addBuffer(s,["colorVI"]),p=!0}}p||l.removeBufferIfPresent("colorVI");let f=null;if(f=t.renderable.getInterpolateScalarsBeforeMapping?.()&&t.renderable.getColorCoordinates()?t.renderable.getColorCoordinates():n.getPointData().getTCoords(),f&&!s){const e=i.getBufferManager().getBufferForPointArray(f,l.getIndexBuffer());l.addBuffer(e,["tcoord"])}else l.removeBufferIfPresent("tcoord")},e.updateTextures=()=>{const e=[],n=[],r=t.renderable.getColorTextureMap?.();r&&(t.colorTexture||(t.colorTexture=Ru.newInstance({label:"polyDataColor"})),t.colorTexture.setInputData(r),n.push(["Diffuse",t.colorTexture]));const o=t.WebGPUActor.getRenderable(),a=t.WebGPURenderer.getRenderable(),i=[];if(o.getProperty().getDiffuseTexture?.()){const e=["Diffuse",o.getProperty().getDiffuseTexture()];i.push(e)}if(o.getTextures()[0]){const e=["Diffuse",o.getTextures()[0]];i.push(e)}if(t.colorTexture){const e=["Diffuse",t.colorTexture];i.push(e)}if(o.getProperty().getRoughnessTexture?.()){const e=["Roughness",o.getProperty().getRoughnessTexture()];i.push(e)}if(o.getProperty().getMetallicTexture?.()){const e=["Metallic",o.getProperty().getMetallicTexture()];i.push(e)}if(o.getProperty().getNormalTexture?.()){const e=["Normal",o.getProperty().getNormalTexture()];i.push(e)}if(o.getProperty().getAmbientOcclusionTexture?.()){const e=["AmbientOcclusion",o.getProperty().getAmbientOcclusionTexture()];i.push(e)}if(o.getProperty().getEmissionTexture?.()){const e=["Emission",o.getProperty().getEmissionTexture()];i.push(e)}if(a.getEnvironmentTexture?.()){const e=["Environment",a.getEnvironmentTexture()];i.push(e)}for(let e=0;e=0;n--)e[n]||(t.textures.splice(n,1),t.textureViews.splice(n,1))},e.computePipelineHash=()=>{let n=`pd${t.useRendererMatrix?"r":""}${t.forceZValue?"z":""}`;if(t.primitiveType===Yv.TriangleEdges||t.primitiveType===Yv.TriangleStripEdges)n+="edge";else{if(t.vertexInput.hasAttribute("normalMC")&&(n+="n"),t.vertexInput.hasAttribute("colorVI")&&(n+="c"),t.vertexInput.hasAttribute("tcoord")){const e=t.vertexInput.getBuffer("tcoord");n+=`t${yh(e.getArrayInformation()[0].format)}`}t.textures.length&&(n+=`tx${t.textures.length}`)}t._usesCellNormals&&(n+="cn"),t.SSBO&&(n+="ssbo"),n+=e.getHashFromUsage(t.usage),n+=t.renderEncoder.getPipelineHash(),t.pipelineHash=n},e.updateBuffers=()=>{t.primitiveType!==Yv.TriangleEdges&&t.primitiveType!==Yv.TriangleStripEdges&&e.updateTextures();const n=t.WebGPUActor.getRenderable(),r=n.getProperty().getRepresentation();t.usage=e.getUsage(r,t.primitiveType),e.buildVertexInput();const o=t.vertexInput.getBuffer("vertexBC");if(e.setNumberOfVertices(o.getSizeInBytes()/o.getStrideInBytes()),e.setTopology(e.getTopologyFromUsage(t.usage)),e.updateUBO(),e.haveWideLines()){const t=n.getProperty();e.setNumberOfInstances(Math.ceil(2*t.getLineWidth()))}else e.setNumberOfInstances(1)}}const ay={is2D:!1,cellArray:null,currentInput:null,cellOffset:0,primitiveType:0,colorTexture:null,renderEncoder:null,textures:null};function iy(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ay,n),Dh.extend(e,t,n),t.fragmentShaderTemplate=ny,t.vertexShaderTemplate=ty,t._tmpMat3=pe(new Float64Array(9)),t._tmpMat4=g(new Float64Array(16)),t.UBO=Pv.newInstance({label:"mapperUBO"}),t.UBO.addEntry("BCWCMatrix","mat4x4"),t.UBO.addEntry("BCSCMatrix","mat4x4"),t.UBO.addEntry("MCWCNormals","mat4x4"),t.UBO.addEntry("AmbientColor","vec4"),t.UBO.addEntry("DiffuseColor","vec4"),t.UBO.addEntry("EdgeColor","vec4"),t.UBO.addEntry("SpecularColor","vec4"),t.UBO.addEntry("AmbientIntensity","f32"),t.UBO.addEntry("DiffuseIntensity","f32"),t.UBO.addEntry("Roughness","f32"),t.UBO.addEntry("Metallic","f32"),t.UBO.addEntry("Ambient","f32"),t.UBO.addEntry("Normal","f32"),t.UBO.addEntry("Emission","f32"),t.UBO.addEntry("NormalStrength","f32"),t.UBO.addEntry("BaseIOR","f32"),t.UBO.addEntry("SpecularIntensity","f32"),t.UBO.addEntry("LineWidth","f32"),t.UBO.addEntry("Opacity","f32"),t.UBO.addEntry("ZValue","f32"),t.UBO.addEntry("PropID","u32"),t.UBO.addEntry("ClipNear","f32"),t.UBO.addEntry("ClipFar","f32"),t.UBO.addEntry("Time","u32"),At(e,t,["cellArray","currentInput","cellOffset","is2D","primitiveType","renderEncoder"]),t.textures=[],oy(e,t)}var sy={newInstance:Et(iy,"vtkWebGPUCellArrayMapper"),extend:iy};const{PrimitiveTypes:ly}=fv;function cy(e,t){t.classHierarchy.push("vtkWebGPUPolyDataMapper"),e.createCellArrayMapper=()=>sy.newInstance(),e.buildPass=n=>{if(n){t.WebGPUActor=e.getFirstAncestorOfType("vtkWebGPUActor"),t.renderable.getStatic()||t.renderable.update();const n=t.renderable.getInputData();t.renderable.mapScalars(n,1),e.updateCellArrayMappers(n)}},e.updateCellArrayMappers=n=>{const r=[n.getVerts(),n.getLines(),n.getPolys(),n.getStrips()],o=[];let a=0;for(let i=ly.Points;i<=ly.Triangles;i++)if(r[i].getNumberOfValues()>0){t.primitives[i]||(t.primitives[i]=e.createCellArrayMapper());const s=t.primitives[i];s.setCellArray(r[i]),s.setCurrentInput(n),s.setCellOffset(a),s.setPrimitiveType(i),s.setRenderable(t.renderable),a+=r[i].getNumberOfCells(),o.push(s)}else t.primitives[i]=null;if(t.WebGPUActor.getRenderable().getProperty().getEdgeVisibility())for(let a=ly.TriangleEdges;a<=ly.TriangleStripEdges;a++)if(r[a-2].getNumberOfValues()>0){t.primitives[a]||(t.primitives[a]=e.createCellArrayMapper());const i=t.primitives[a];i.setCellArray(r[a-2]),i.setCurrentInput(n),i.setCellOffset(t.primitives[a-2].getCellOffset()),i.setPrimitiveType(a),i.setRenderable(t.renderable),o.push(i)}else t.primitives[a]=null;e.prepareNodes(),e.addMissingChildren(o),e.removeUnusedNodes()}}const uy={primitives:null};function dy(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uy,n),Zt.extend(e,t,n),t.primitives=[],cy(e,t)}const py=Et(dy,"vtkWebGPUPolyDataMapper");var fy={newInstance:py,extend:dy};Um("vtkMapper",py);const{PrimitiveTypes:gy}=fv;function my(e,t){t.classHierarchy.push("vtkWebGPUPolyDataMapper2D"),e.createCellArrayMapper=()=>sy.newInstance(),e.buildPass=n=>{if(n){t.WebGPUActor=e.getFirstAncestorOfType("vtkWebGPUActor2D"),t.renderable.getStatic()||t.renderable.update();const n=t.renderable.getInputData();t.renderable.mapScalars(n,1),e.updateCellArrayMappers(n)}},e.updateCellArrayMappers=n=>{const r=[n.getVerts(),n.getLines(),n.getPolys(),n.getStrips()],o=[];let a=0;for(let i=gy.Points;i<=gy.Triangles;i++)if(r[i].getNumberOfValues()>0){t.primitives[i]||(t.primitives[i]=e.createCellArrayMapper());const s=t.primitives[i];s.setCellArray(r[i]),s.setCurrentInput(n),s.setCellOffset(a),s.setPrimitiveType(i),s.setRenderable(t.renderable),s.setIs2D(!0),a+=r[i].getNumberOfCells(),o.push(s)}else t.primitives[i]=null;e.prepareNodes(),e.addMissingChildren(o),e.removeUnusedNodes()}}function hy(e){return{primitives:[],...e}}const vy=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,hy(n)),Zt.extend(e,t,n),t.primitives=[],my(e,t)}),"vtkWebGPUPolyDataMapper2D");function yy(e,t){t.classHierarchy.push("vtkWebGPUScalarBarActor"),e.buildPass=n=>{n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent(),t.scalarBarActorHelper.getRenderable()||t.scalarBarActorHelper.setRenderable(t.renderable),e.prepareNodes(),e.addMissingNode(t.scalarBarActorHelper.getBarActor()),e.addMissingNode(t.scalarBarActorHelper.getTmActor()),e.removeUnusedNodes())},e.opaquePass=(e,n)=>{if(e){const e=t.WebGPURenderer?t.WebGPURenderer.getRenderable().getActiveCamera():null,n=t.WebGPURenderer.getTiledSizeAndOrigin();t.scalarBarActorHelper.updateAPISpecificData([n.usize,n.vsize],e,t.WebGPURenderWindow.getRenderable())}}}Um("vtkMapper2D",vy);const by={};const xy=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,by,n),Zt.extend(e,t,n),t.scalarBarActorHelper=Gp.newScalarBarActorHelper(),yy(e,t)}),"vtkWebGPUScalarBarActor");function 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Oy={newInstance:jt.newInstance(wy),extend:wy};const{BufferUsage:My}=fv;function Ry(e,t){t.classHierarchy.push("vtkWebGPUTexture"),e.create=(e,n)=>{t.device=e,t.width=n.width,t.height=n.height,t.depth=n.depth?n.depth:1;const r=1===t.depth?"2d":"3d";t.format=n.format?n.format:"rgba8unorm",t.mipLevel=n.mipLevel?n.mipLevel:0,t.usage=n.usage?n.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST,t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label,dimension:r,mipLevelCount:t.mipLevel+1})},e.assignFromHandle=(e,n,r)=>{t.device=e,t.handle=n,t.width=r.width,t.height=r.height,t.depth=r.depth?r.depth:1,t.format=r.format?r.format:"rgba8unorm",t.usage=r.usage?r.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST},e.writeImageData=n=>{let r=[];if(n.canvas)return 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e.setSSBO(t.SSBO),e.setRenderable(t.renderable),e},e.buildPass=n=>{if(n){t.WebGPUActor=e.getFirstAncestorOfType("vtkWebGPUActor"),t.renderable.getStatic()||t.renderable.update();const n=t.renderable.getInputData(1);t.renderable.mapScalars(n,1),e.updateSSBO(),e.updateCellArrayMappers(n);for(let e=0;e{t.currentInput=t.renderable.getInputData(1),t.renderable.buildArrays();const n=t.renderable.getMatrixArray(),r=t.renderable.getNormalArray();if(t.carray=t.renderable.getColorArray(),t.numInstances=n.length/16,t.renderable.getBuildTime().getMTime()>t.glyphBOBuildTime.getMTime()){t.WebGPURenderWindow=e.getFirstAncestorOfType("vtkWebGPURenderWindow");const o=t.WebGPURenderWindow.getDevice();t.SSBO.clearData(),t.SSBO.setNumberOfInstances(t.numInstances),t.SSBO.addEntry("matrix","mat4x4"),t.SSBO.addEntry("normal","mat4x4"),t.carray&&t.SSBO.addEntry("color","vec4"),t.SSBO.setAllInstancesFromArray("matrix",n),t.SSBO.setAllInstancesFromArray3x3To4x4("normal",r),t.carray&&t.SSBO.setAllInstancesFromArrayColorToFloat("color",t.carray.getData()),t.SSBO.send(o),t.glyphBOBuildTime.modified()}}}const ky={};const Fy=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ky,n),fy.extend(e,t,n),t.glyphBOBuildTime={},yt(t.glyphBOBuildTime,{mtime:0}),t.SSBO=bv.newInstance({label:"glyphSSBO"}),Ny(e,t)}),"vtkWebGPUGlyph3DMapper");Um("vtkGlyph3DMapper",Fy);const{SlicingMode:_y}=bg,Gy="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Image::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var 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n=t.WebGPURenderer.getRenderable();t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(n.getActiveCamera())}},e.translucentPass=t=>{t&&e.render()},e.opaquePass=t=>{t&&e.render()},e.render=()=>{t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.prepareToDraw(t.WebGPURenderer.getRenderEncoder()),t.renderEncoder.registerDrawCallback(t.pipeline,e.draw)},e.computePipelineHash=()=>{const e=t.currentInput.getExtent();e[0]===e[1]||e[2]===e[3]||e[4]===e[5]?(t.dimensions=2,t.pipelineHash="img2"):(t.dimensions=3,t.pipelineHash="img3")},e.updateUBO=()=>{const n=t.UBO.getSendTime(),r=t.WebGPUImageSlice.getRenderable(),o=r.getMapper();if(e.getMTime()>n||t.renderable.getMTime()>n||r.getProperty().getMTime()>n){const e=o.getInputData(),n=t.WebGPURenderer.getStabilizedCenterByReference();g(Uy),x(Uy,Uy,n);const a=r.getMatrix();m(Wy,a),h(Wy,Wy),b(Uy,Wy,Uy);const i=e.getWorldToIndex();b(Uy,i,Uy),h(zy,Uy),I(Wy,[.5,.5,.5]),b(Uy,Wy,Uy);const s=e.getDimensions();g(Wy),T(Wy,Wy,[1/s[0],1/s[1],1/s[2]]),b(Uy,Wy,Uy),t.UBO.setArray("SCTCMatrix",Uy);const l=t.currentInput.getExtent(),{ijkMode:c}=t.renderable.getClosestIJKAxis();let u=t.renderable.getSlice();c!==t.renderable.getSlicingMode()&&(u=t.renderable.getSliceAtPosition(u));let d=2,p=0,f=1;c===_y.I?(d=0,p=1,f=2):c===_y.J&&(d=1,p=2,f=0),Hy[d]=u,Hy[p]=l[2*p]-.5,Hy[f]=l[2*f]-.5,Hy[3]=1,zi(Hy,Hy,zy),t.UBO.setArray("Origin",Hy),jy[d]=u,jy[p]=l[2*p+1]+.5,jy[f]=l[2*f]-.5,jy[3]=1,zi(jy,jy,zy),Wi(jy,jy,Hy),jy[3]=1,t.UBO.setArray("Axis1",jy),jy[d]=u,jy[p]=l[2*p]-.5,jy[f]=l[2*f+1]+.5,jy[3]=1,zi(jy,jy,zy),Wi(jy,jy,Hy),jy[3]=1,t.UBO.setArray("Axis2",jy);const v=[1,1,1,1],y=[0,0,0,0],C=t.textureViews[0],S=C.getTexture().getScale(),A=C.getTexture().getNumberOfComponents();for(let e=0;e{const n=t.WebGPUImageSlice.getRenderable().getProperty();e.getTextureViews()[0].getTexture().getNumberOfComponents();const r=function(e,t,n){if(t.apply(e)){const t=e.getIndependentComponents();return`${e.getMTime()}-${t}-1`}return"0"}(n,n.getRGBTransferFunction);if(t.colorTextureString!==r){t.numRows=1;const e=new Uint8Array(2*t.numRows*t.rowLength*4);let o=n.getRGBTransferFunction();if(o){const r=new Float32Array(3*t.rowLength);for(let a=0;a<1;a++){o=n.getRGBTransferFunction(a);const i=o.getRange();o.getTable(i[0],i[1],t.rowLength,r,1);for(let n=0;n{n();const r=t.device.getTextureManager().getTextureForImageData(t.currentInput),o=t.textureViews;if(!o[0]||o[0].getTexture()!==r){const e=r.createView("imgTexture");o[0]=e}e.updateLUTImage(),e.updateUBO();const a=t.WebGPUImageSlice.getRenderable().getProperty().getInterpolationType()===dg.NEAREST?"nearest":"linear";t.clampSampler&&a===t.clampSampler.getOptions().minFilter||(t.clampSampler=Ay.newInstance({label:"clampSampler"}),t.clampSampler.create(t.device,{minFilter:a,magFilter:a}),t.additionalBindables=[t.clampSampler])};const r=e.getShaderReplacements();e.replaceShaderPosition=(e,n,r)=>{const o=n.getShaderDescription("vertex");o.addBuiltinOutput("vec4","@builtin(position) Position");let a=o.getCode();const i=["var pos: vec4 = mapperUBO.Origin +"," (vertexBC.x * 0.5 + 0.5) * mapperUBO.Axis1 + (vertexBC.y * 0.5 + 0.5) * mapperUBO.Axis2;","pos.w = 1.0;"];2===t.dimensions?i.push("var tcoord : vec2 = (mapperUBO.SCTCMatrix * pos).xy;"):i.push("var tcoord : vec3 = (mapperUBO.SCTCMatrix * pos).xyz;"),i.push("output.tcoordVS = tcoord;","output.Position = rendererUBO.SCPCMatrix * pos;"),a=ih.substitute(a,"//VTK::Position::Impl",i).result,o.setCode(a)},r.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderTCoord=(e,n,r)=>{const o=n.getShaderDescription("vertex");2===t.dimensions?o.addOutput("vec2","tcoordVS"):o.addOutput("vec3","tcoordVS")},r.set("replaceShaderTCoord",e.replaceShaderTCoord),e.replaceShaderImage=(e,n,r)=>{const o=n.getShaderDescription("fragment");let a=o.getCode();t.dimensions,a=ih.substitute(a,"//VTK::Image::Sample",[" var computedColor: vec4 ="," 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Float64Array(16)),t.VBOBuildTime={},yt(t.VBOBuildTime),Ky(e,t)}),"vtkWebGPUImageMapper");function Xy(e,t){t.classHierarchy.push("vtkWebGPUImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes()}},e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t.WebGPURenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t.WebGPURenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.getBufferShift=n=>(e.getKeyMatrices(n),t.bufferShift),e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix(),r=e.getStabilizedCenterByReference();t.bufferShift[0]=n[3]-r[0],t.bufferShift[1]=n[7]-r[1],t.bufferShift[2]=n[11]-r[2],m(t.keyMatrices.bcwc,n),t.renderable.getIsIdentity()?g(t.keyMatrices.normalMatrix):(d(t.keyMatrices.normalMatrix,t.keyMatrices.bcwc),t.keyMatrices.normalMatrix[3]=0,t.keyMatrices.normalMatrix[7]=0,t.keyMatrices.normalMatrix[11]=0,h(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix),m(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix)),x(t.keyMatrices.bcwc,t.keyMatrices.bcwc,[-t.bufferShift[0],-t.bufferShift[1],-t.bufferShift[2]]),x(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]),t.keyMatricesTime.modified()}return t.keyMatrices}}Um("vtkImageMapper",qy);const Yy={bufferShift:void 0,keyMatrixTime:null,keyMatrices:null,propID:void 0};const Zy=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Yy,n),Zt.extend(e,t,n),t.keyMatricesTime={},yt(t.keyMatricesTime,{mtime:0}),t.keyMatrices={normalMatrix:new Float64Array(16),bcwc:new Float64Array(16),bcsc:new Float64Array(16)},t.keyMatrixTime={},yt(t.keyMatrixTime,{mtime:0}),t.keyMatrices={mcwc:g(new Float64Array(16))},t.bufferShift=[0,0,0,0],xt(e,t,["propID","keyMatricesTime"]),Xy(e,t)}),"vtkWebGPUImageSlice");function Qy(e,t){t.classHierarchy.push("vtkWebGPUVolume"),e.buildPass=n=>{t.renderable&&t.renderable.getVisibility()&&n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),t.renderable.getMapper().update())},e.queryPass=(n,r)=>{if(n){if(!t.renderable||!t.renderable.getVisibility())return;const n=t.renderable.getMapper().getBounds();if(!n||6!==n.length||n[0]>n[1])return;r.addVolume(e)}};const n=new Float64Array(3),r=new Float64Array(3);e.getBoundingCubePoints=(e,o)=>{const a=t.renderable.getMapper().getInputData();if(!a)return;const i=a.getExtent(),s=t.renderable.getMatrix();let l=0;for(let t=4;t<6;t++){n[2]=i[t];for(let t=2;t<4;t++){n[1]=i[t];for(let t=0;t<2;t++){n[0]=i[t],a.indexToWorld(n,r);let c=o+3*l;e[c++]=s[0]*r[0]+s[1]*r[1]+s[2]*r[2]+s[3],e[c++]=s[4]*r[0]+s[5]*r[1]+s[6]*r[2]+s[7],e[c++]=s[8]*r[0]+s[9]*r[1]+s[10]*r[2]+s[11],l++}}}},e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix(),r=e.getStabilizedCenterByReference();m(t.keyMatrices.bcwc,n),x(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]),t.keyMatricesTime.modified()}return t.keyMatrices}}Um("vtkImageSlice",Zy);const Jy={propID:void 0,keyMatricesTime:null};const eb=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Jy,n),Zt.extend(e,t,n),t.keyMatricesTime={},jt.obj(t.keyMatricesTime,{mtime:0}),t.keyMatrices={bcwc:new Float64Array(16),bcsc:new Float64Array(16)},jt.get(e,t,["propID","keyMatricesTime"]),Qy(e,t)}),"vtkWebGPUVolume");function tb(e,t){t.classHierarchy.push("vtkWebGPUPixelSpaceCallbackMapper"),e.opaquePass=(n,r)=>{t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent();const o=t.WebGPURenderer.getAspectRatio(),a=t.WebGPURenderer?t.WebGPURenderer.getRenderable().getActiveCamera():null,i=t.WebGPURenderer.getTiledSizeAndOrigin();t.renderable.getUseZValues(),t.renderable.invokeCallback(t.renderable.getInputData(),a,o,i,null)}}Um("vtkVolume",eb);const nb={};const rb=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,nb,n),Zt.extend(e,t,n),tb(e,t)}),"vtkWebGPUPixelSpaceCallbackMapper");Um("vtkPixelSpaceCallbackMapper",rb);const{BufferUsage:ob}=fv,{vtkErrorMacro:ab}=Kt,ib="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::Color::Dec\n\n//VTK::IOStructs::Dec\n\n@vertex\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output : vertexOutput;\n\n var vertexVC: vec4 = rendererUBO.SCVCMatrix * mapperUBO.BCSCMatrix * vec4(vertexBC.xyz, 1.0);\n\n //VTK::Color::Impl\n\n // compute the projected vertex position\n output.centerVC = vertexVC.xyz;\n output.radiusVC = length(offsetMC)*0.5;\n\n // make the triangle face the camera\n if (rendererUBO.cameraParallel == 0u)\n {\n var dir: vec3 = normalize(-vertexVC.xyz);\n var base2: vec3 = normalize(cross(dir,vec3(1.0,0.0,0.0)));\n var base1: vec3 = cross(base2,dir);\n dir = vertexVC.xyz + offsetMC.x*base1 + offsetMC.y*base2;\n vertexVC = vec4(dir, 1.0);\n }\n else\n {\n // add in the offset\n var tmp2: vec2 = vertexVC.xy + offsetMC;\n vertexVC = vec4(tmp2, vertexVC.zw);\n }\n\n output.vertexVC = vec4(vertexVC.xyz, 0.0);\n\n //VTK::Position::Impl\n\n return output;\n}\n";function sb(e,t){t.classHierarchy.push("vtkWebGPUSphereMapper");const n=e.buildPass;e.buildPass=r=>{if(r){t.renderable.getStatic()||t.renderable.update();const n=t.renderable.getInputData();e.setCellArray(n.getVerts()),e.setCurrentInput(n)}n(r)},e.replaceShaderNormal=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.hasOutput("vertexVC")||r.addOutput("vec4","vertexVC"),r.addOutput("vec3","centerVC"),r.addOutput("f32","radiusVC");const o=t.getShaderDescription("fragment");o.addBuiltinOutput("f32","@builtin(frag_depth) fragDepth");let a=o.getCode();a=ih.substitute(a,"//VTK::Normal::Impl",["\n // compute the eye position and unit direction\n var vertexVC: vec4;\n var EyePos: vec3;\n var EyeDir: vec3;\n var invertedDepth: f32 = 1.0;\n if (rendererUBO.cameraParallel != 0u) {\n EyePos = vec3(input.vertexVC.x, input.vertexVC.y, input.vertexVC.z + 3.0*input.radiusVC);\n EyeDir = vec3(0.0, 0.0, -1.0);\n }\n else {\n EyeDir = input.vertexVC.xyz;\n EyePos = vec3(0.0,0.0,0.0);\n var lengthED: f32 = length(EyeDir);\n EyeDir = normalize(EyeDir);\n // we adjust the EyePos to be closer if it is too far away\n // to prevent floating point precision noise\n if (lengthED > input.radiusVC*3.0) {\n EyePos = input.vertexVC.xyz - EyeDir*3.0*input.radiusVC;\n }\n }\n\n // translate to Sphere center\n EyePos = EyePos - input.centerVC;\n // scale to radius 1.0\n EyePos = EyePos * (1.0 / input.radiusVC);\n // find the intersection\n var b: f32 = 2.0*dot(EyePos,EyeDir);\n var c: f32 = dot(EyePos,EyePos) - 1.0;\n var d: f32 = b*b - 4.0*c;\n var normal: vec3 = vec3(0.0,0.0,1.0);\n if (d < 0.0) { discard; }\n else {\n var t: f32 = (-b - invertedDepth*sqrt(d))*0.5;\n\n // compute the normal, for unit sphere this is just\n // the intersection point\n normal = invertedDepth*normalize(EyePos + t*EyeDir);\n // compute the intersection point in VC\n vertexVC = vec4(normal * input.radiusVC + input.centerVC, 1.0);\n }\n // compute the pixel's depth\n var pos: vec4 = rendererUBO.VCPCMatrix * vertexVC;\n output.fragDepth = pos.z / pos.w;\n "]).result,o.setCode(a)},e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position");let o=r.getCode();o=ih.substitute(o,"//VTK::Position::Impl",[" output.Position = rendererUBO.VCPCMatrix*vertexVC;"]).result,r.setCode(o)},e.computePipelineHash=()=>{t.pipelineHash="spm",t.vertexInput.hasAttribute("colorVI")&&(t.pipelineHash+="c"),t.pipelineHash+=t.renderEncoder.getPipelineHash()},e.updateBuffers=()=>{const n=t.currentInput;t.renderable.mapScalars(n,1);const r=n.getPoints(),o=r.getNumberOfPoints(),a=r.getData();e.setNumberOfInstances(1),e.setNumberOfVertices(3*o);const i=t.vertexInput;let s=`spm${r.getMTime()}float32x3`;if(!t.device.getBufferManager().hasBuffer(s)){const e={hash:s,usage:ob.RawVertex,format:"float32x3"},n=new Float32Array(3*o*3);let r=0,l=0;for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,lb,n),sy.extend(e,t,n),e.setVertexShaderTemplate(ib),sb(e,t);const r=t.shaderReplacements;r.set("replaceShaderPosition",e.replaceShaderPosition),r.set("replaceShaderNormal",e.replaceShaderNormal)}),"vtkWebGPUSphereMapper");Um("vtkSphereMapper",cb);const{BufferUsage:ub}=fv,{vtkErrorMacro:db}=Kt,pb="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::Color::Dec\n\n//VTK::IOStructs::Dec\n\n@vertex\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var offsetsArray: array, 12> = array, 12>(\n vec3(-1.0, -1.0, -1.0),\n vec3(1.0, -1.0, -1.0),\n vec3(1.0, -1.0, 1.0),\n\n vec3(-1.0, -1.0, -1.0),\n vec3(1.0, -1.0, 1.0),\n vec3(-1.0, -1.0, 1.0),\n\n vec3(-1.0, -1.0, 1.0),\n vec3(1.0, -1.0, 1.0),\n vec3(1.0, 1.0, 1.0),\n\n vec3(-1.0, -1.0, 1.0),\n vec3(1.0, 1.0, 1.0),\n vec3(-1.0, 1.0, 1.0)\n );\n\n var output : vertexOutput;\n\n var vertexVC: vec4 = rendererUBO.SCVCMatrix * mapperUBO.BCSCMatrix * vec4(vertexBC.xyz, 1.0);\n\n //VTK::Color::Impl\n\n // compute the projected vertex position\n output.centerVC = vertexVC.xyz;\n output.radiusVC = radiusMC;\n output.lengthVC = length(orientMC);\n output.orientVC = (rendererUBO.WCVCNormals * vec4(normalize(orientMC), 0.0)).xyz;\n\n // make sure it is pointing out of the screen\n if (output.orientVC.z < 0.0)\n {\n output.orientVC = -output.orientVC;\n }\n\n // make the basis\n var xbase: vec3;\n var ybase: vec3;\n var dir: vec3 = vec3(0.0,0.0,1.0);\n if (rendererUBO.cameraParallel == 0u)\n {\n dir = normalize(-vertexVC.xyz);\n }\n if (abs(dot(dir,output.orientVC)) == 1.0)\n {\n xbase = normalize(cross(vec3(0.0,1.0,0.0),output.orientVC));\n ybase = cross(xbase,output.orientVC);\n }\n else\n {\n xbase = normalize(cross(output.orientVC,dir));\n ybase = cross(output.orientVC,xbase);\n }\n\n\n var vertIdx: u32 = input.vertexIndex % 12u;\n var offsets: vec3 = offsetsArray[vertIdx];\n\n vertexVC = vec4(vertexVC.xyz +\n output.radiusVC * offsets.x * xbase +\n output.radiusVC * offsets.y * ybase +\n 0.5 * output.lengthVC * offsets.z * output.orientVC, 1.0);\n\n output.vertexVC = vertexVC;\n\n //VTK::Position::Impl\n\n return output;\n}\n";function fb(e,t){t.classHierarchy.push("vtkWebGPUStickMapper");const n=e.buildPass;e.buildPass=r=>{if(r){t.renderable.getStatic()||t.renderable.update();const n=t.renderable.getInputData();e.setCellArray(n.getVerts()),e.setCurrentInput(n)}n(r)},e.replaceShaderNormal=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.hasOutput("vertexVC")||r.addOutput("vec4","vertexVC"),r.addOutput("vec3","centerVC"),r.addOutput("vec3","orientVC"),r.addOutput("f32","radiusVC"),r.addOutput("f32","lengthVC"),r.addBuiltinInput("u32","@builtin(vertex_index) vertexIndex");const o=t.getShaderDescription("fragment");o.addBuiltinOutput("f32","@builtin(frag_depth) fragDepth");let a=o.getCode();a=ih.substitute(a,"//VTK::Normal::Impl",["\n // compute the eye position and unit direction\n var vertexVC: vec4;\n var EyePos: vec3;\n var EyeDir: vec3;\n\n if (rendererUBO.cameraParallel != 0u)\n {\n EyePos = vec3(input.vertexVC.x, input.vertexVC.y, input.vertexVC.z + 3.0*input.radiusVC);\n EyeDir = vec3(0.0, 0.0, -1.0);\n }\n else\n {\n EyeDir = input.vertexVC.xyz;\n EyePos = vec3(0.0,0.0,0.0);\n var lengthED: f32 = length(EyeDir);\n EyeDir = normalize(EyeDir);\n // we adjust the EyePos to be closer if it is too far away\n // to prevent floating point precision noise\n if (lengthED > input.radiusVC*3.0)\n {\n EyePos = input.vertexVC.xyz - EyeDir*3.0*input.radiusVC;\n }\n }\n // translate to Sphere center\n EyePos = EyePos - input.centerVC;\n\n // rotate to new basis\n // base1, base2, orientVC\n var base1: vec3;\n if (abs(input.orientVC.z) < 0.99)\n {\n base1 = normalize(cross(input.orientVC,vec3(0.0,0.0,1.0)));\n }\n else\n {\n base1 = normalize(cross(input.orientVC,vec3(0.0,1.0,0.0)));\n }\n var base2: vec3 = cross(input.orientVC,base1);\n EyePos = vec3(dot(EyePos,base1),dot(EyePos,base2),dot(EyePos,input.orientVC));\n EyeDir = vec3(dot(EyeDir,base1),dot(EyeDir,base2),dot(EyeDir,input.orientVC));\n\n // scale to radius 1.0\n EyePos = EyePos * (1.0 / input.radiusVC);\n\n // find the intersection\n var a: f32 = EyeDir.x*EyeDir.x + EyeDir.y*EyeDir.y;\n var b: f32 = 2.0*(EyePos.x*EyeDir.x + EyePos.y*EyeDir.y);\n var c: f32 = EyePos.x*EyePos.x + EyePos.y*EyePos.y - 1.0;\n var d: f32 = b*b - 4.0*a*c;\n var normal: vec3 = vec3(0.0,0.0,1.0);\n if (d < 0.0) { discard; }\n else\n {\n var t: f32 = (-b - sqrt(d))*(0.5 / a);\n var tz: f32 = EyePos.z + t*EyeDir.z;\n var iPoint: vec3 = EyePos + t*EyeDir;\n if (abs(iPoint.z)*input.radiusVC > input.lengthVC*0.5)\n {\n // test for end cap\n var t2: f32 = (-b + sqrt(d))*(0.5 / a);\n var tz2: f32 = EyePos.z + t2*EyeDir.z;\n if (tz2*input.radiusVC > input.lengthVC*0.5 || tz*input.radiusVC < -0.5*input.lengthVC) { discard; }\n else\n {\n normal = input.orientVC;\n var t3: f32 = (input.lengthVC*0.5/input.radiusVC - EyePos.z)/EyeDir.z;\n iPoint = EyePos + t3*EyeDir;\n vertexVC = vec4(input.radiusVC*(iPoint.x*base1 + iPoint.y*base2 + iPoint.z*input.orientVC) + input.centerVC, 1.0);\n }\n }\n else\n {\n // The normal is the iPoint.xy rotated back into VC\n normal = iPoint.x*base1 + iPoint.y*base2;\n // rescale rerotate and translate\n vertexVC = vec4(input.radiusVC*(normal + iPoint.z*input.orientVC) + input.centerVC, 1.0);\n }\n }\n // compute the pixel's depth\n var pos: vec4 = rendererUBO.VCPCMatrix * vertexVC;\n output.fragDepth = pos.z / pos.w;\n "]).result,o.setCode(a)},e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position");let o=r.getCode();o=ih.substitute(o,"//VTK::Position::Impl",[" output.Position = 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hb([0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0,0]),xb=new hb([0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,0,0]),Tb=new hb([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]),Cb=function(e,t){for(var n=new vb(31),r=0;r<31;++r)n[r]=t+=1<>>1|(21845&Mb)<<1;Rb=(61680&(Rb=(52428&Rb)>>>2|(13107&Rb)<<2))>>>4|(3855&Rb)<<4,Ob[Mb]=((65280&Rb)>>>8|(255&Rb)<<8)>>>1}var Vb=function(e,t,n){for(var r=e.length,o=0,a=new vb(t);o>>l]=c}else for(i=new vb(r),o=0;o>>15-e[o]);return i},Eb=new hb(288);for(Mb=0;Mb<144;++Mb)Eb[Mb]=8;for(Mb=144;Mb<256;++Mb)Eb[Mb]=9;for(Mb=256;Mb<280;++Mb)Eb[Mb]=7;for(Mb=280;Mb<288;++Mb)Eb[Mb]=8;var Db=new hb(32);for(Mb=0;Mb<32;++Mb)Db[Mb]=5;var Lb=Vb(Eb,9,1),Bb=Vb(Db,5,1),Nb=function(e){for(var t=e[0],n=1;nt&&(t=e[n]);return t},kb=function(e,t,n){var r=t/8|0;return(e[r]|e[r+1]<<8)>>(7&t)&n},Fb=function(e,t){var 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e=new Float64Array(16);return d(e,a),e},e.setProjectionMatrix=e=>{t.projectionMatrix=e},e.getProjectionMatrix=(e,n,r)=>{const o=new Float64Array(16);if(g(o),t.projectionMatrix){const e=1/t.physicalScale;return Pn(s,e,e,e),d(o,t.projectionMatrix),T(o,o,s),m(o,o),o}g(a);const i=t.clippingRange[1]-t.clippingRange[0],l=[t.clippingRange[0]+(n+1)*i/2,t.clippingRange[0]+(r+1)*i/2];if(t.parallelProjection){const n=t.parallelScale*e,r=t.parallelScale,o=(t.windowCenter[0]-1)*n,i=(t.windowCenter[0]+1)*n,s=(t.windowCenter[1]-1)*r,c=(t.windowCenter[1]+1)*r;K(a,o,i,s,c,l[0],l[1]),m(a,a)}else{if(t.useOffAxisProjection)throw new Error("Off-Axis projection is not supported at this time");{const n=Math.tan(Eo(t.viewAngle)/2);let r,o;!0===t.useHorizontalViewAngle?(r=t.clippingRange[0]*n,o=t.clippingRange[0]*n/e):(r=t.clippingRange[0]*n*e,o=t.clippingRange[0]*n);const i=(t.windowCenter[0]-1)*r,s=(t.windowCenter[0]+1)*r,c=(t.windowCenter[1]-1)*o,u=(t.windowCenter[1]+1)*o,d=l[0],p=l[1];a[0]=2*d/(s-i),a[5]=2*d/(u-c),a[2]=(i+s)/(s-i),a[6]=(c+u)/(u-c),a[10]=-(d+p)/(p-d),a[14]=-1,a[11]=-2*d*p/(p-d),a[15]=0}}return d(o,a),o},e.getCompositeProjectionMatrix=(t,n,r)=>{const o=e.getViewMatrix(),a=e.getProjectionMatrix(t,n,r);return b(a,o,a),a},e.setDirectionOfProjection=(e,n,r)=>{if(t.directionOfProjection[0]===e&&t.directionOfProjection[1]===n&&t.directionOfProjection[2]===r)return;t.directionOfProjection[0]=e,t.directionOfProjection[1]=n,t.directionOfProjection[2]=r;const o=t.directionOfProjection;t.focalPoint[0]=t.position[0]+o[0]*t.distance,t.focalPoint[1]=t.position[1]+o[1]*t.distance,t.focalPoint[2]=t.position[2]+o[2]*t.distance,y()},e.setDeviceAngles=(n,r,o,a)=>{const i=[3];Yo(t.physicalViewNorth,t.physicalViewUp,i);const s=g(new 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Fx={position:[0,0,1],focalPoint:[0,0,0],viewUp:[0,1,0],directionOfProjection:[0,0,-1],parallelProjection:!1,useHorizontalViewAngle:!1,viewAngle:30,parallelScale:1,clippingRange:[.01,1000.01],windowCenter:[0,0],viewPlaneNormal:[0,0,1],useOffAxisProjection:!1,screenBottomLeft:[-.5,-.5,-.5],screenBottomRight:[.5,-.5,-.5],screenTopRight:[.5,.5,-.5],freezeFocalPoint:!1,projectionMatrix:null,viewMatrix:null,cameraLightTransform:c(),physicalTranslation:[0,0,0],physicalScale:1,physicalViewUp:[0,1,0],physicalViewNorth:[0,0,-1]};function _x(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fx,n),jt.obj(e,t),jt.get(e,t,["distance"]),jt.setGet(e,t,["parallelProjection","useHorizontalViewAngle","viewAngle","parallelScale","useOffAxisProjection","freezeFocalPoint","physicalScale"]),jt.getArray(e,t,["directionOfProjection","viewPlaneNormal","position","focalPoint"]),jt.setGetArray(e,t,["clippingRange","windowCenter"],2),jt.setGetArray(e,t,["viewUp","screenBottomLeft","screenBottomRight","screenTopRight","physicalTranslation","physicalViewUp","physicalViewNorth"],3),kx(e,t)}var Gx={newInstance:jt.newInstance(_x,"vtkCamera"),extend:_x};function Ux(e,t){t.classHierarchy.push("vtkLight");const n=new Float64Array(3);e.getTransformedPosition=()=>(t.transformMatrix?Ln(n,t.position,t.transformMatrix):Pn(n,t.position[0],t.position[1],t.position[2]),n),e.getTransformedFocalPoint=()=>(t.transformMatrix?Ln(n,t.focalPoint,t.transformMatrix):Pn(n,t.focalPoint[0],t.focalPoint[1],t.focalPoint[2]),n),e.getDirection=()=>(t.directionMTime{const n=new Float64Array(3);_n(n,t.position,e),t.focalPoint=n},e.setDirectionAngle=(t,n)=>{const r=Eo(t),o=Eo(n);e.setPosition(Math.cos(r)*Math.sin(o),Math.sin(r),Math.cos(r)*Math.cos(o)),e.setFocalPoint(0,0,0),e.setPositional(0)},e.setLightTypeToHeadLight=()=>{e.setLightType("HeadLight")},e.setLightTypeToCameraLight=()=>{e.setLightType("CameraLight")},e.setLightTypeToSceneLight=()=>{e.setTransformMatrix(null),e.setLightType("SceneLight")},e.lightTypeIsHeadLight=()=>"HeadLight"===t.lightType,e.lightTypeIsSceneLight=()=>"SceneLight"===t.lightType,e.lightTypeIsCameraLight=()=>"CameraLight"===t.lightType}const Wx={switch:!0,intensity:1,color:[1,1,1],position:[0,0,1],focalPoint:[0,0,0],positional:!1,exponent:1,coneAngle:30,coneFalloff:5,attenuationValues:[1,0,0],transformMatrix:null,lightType:"SceneLight",shadowAttenuation:1,direction:[0,0,0],directionMTime:0};function zx(e,t){let n=arguments.length>2&&void 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n={type:"ComputeVisiblePropBoundsEvent",renderer:e},r={type:"ResetCameraClippingRangeEvent",renderer:e},o={type:"ResetCameraEvent",renderer:e};e.updateCamera=()=>(t.activeCamera||(Yx("No cameras are on, creating one."),e.getActiveCameraAndResetIfCreated()),t.activeCamera.render(e),!0),e.updateLightsGeometryToFollowCamera=()=>{const n=e.getActiveCameraAndResetIfCreated();t.lights.forEach((e=>{e.lightTypeIsSceneLight()||(e.lightTypeIsHeadLight()?(e.setPositionFrom(n.getPositionByReference()),e.setFocalPointFrom(n.getFocalPointByReference()),e.modified(n.getMTime())):e.lightTypeIsCameraLight()?e.setTransformMatrix(n.getCameraLightTransformMatrix(c())):Zx("light has unknown light type",e.get()))}))},e.updateLightGeometry=()=>!t.lightFollowCamera||e.updateLightsGeometryToFollowCamera(),e.allocateTime=Jx("allocateTime"),e.updateGeometry=Jx("updateGeometry"),e.getVTKWindow=()=>t._renderWindow,e.setLayer=n=>{Yx(e.getClassName(),e,"setting Layer to 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e.invokeEvent({type:"CreateCameraEvent",camera:t}),t},e.getActiveCamera=()=>(t.activeCamera||(t.activeCamera=e.makeCamera()),t.activeCamera),e.getActiveCameraAndResetIfCreated=()=>(t.activeCamera||(e.getActiveCamera(),e.resetCamera()),t.activeCamera),e.getActors=()=>(t.actors=[],t.props.forEach((e=>{t.actors=t.actors.concat(e.getActors())})),t.actors),e.addActor=e.addViewProp,e.removeActor=n=>{t.actors=t.actors.filter((e=>e!==n)),e.removeViewProp(n),e.modified()},e.removeAllActors=()=>{e.getActors().forEach((t=>{e.removeViewProp(t)})),t.actors=[],e.modified()},e.getVolumes=()=>(t.volumes=[],t.props.forEach((e=>{t.volumes=t.volumes.concat(e.getVolumes())})),t.volumes),e.addVolume=e.addViewProp,e.removeVolume=n=>{t.volumes=t.volumes.filter((e=>e!==n)),e.removeViewProp(n),e.modified()},e.removeAllVolumes=()=>{e.getVolumes().forEach((t=>{e.removeViewProp(t)})),t.volumes=[],e.modified()},e.hasLight=e=>t.lights.includes(e),e.addLight=n=>{n&&!e.hasLight(n)&&(t.lights.push(n),e.modified())},e.removeLight=n=>{t.lights=t.lights.filter((e=>e!==n)),e.modified()},e.removeAllLights=()=>{t.lights=[],e.modified()},e.setLightCollection=n=>{t.lights=n,e.modified()},e.makeLight=Hx.newInstance,e.createLight=()=>{t.automaticLightCreation&&(t._createdLight&&(e.removeLight(t._createdLight),t._createdLight.delete(),t._createdLight=null),t._createdLight=e.makeLight(),e.addLight(t._createdLight),t._createdLight.setLightTypeToHeadLight(),t._createdLight.setPosition(e.getActiveCamera().getPosition()),t._createdLight.setFocalPoint(e.getActiveCamera().getFocalPoint()))},e.normalizedDisplayToWorld=(t,n,r,o)=>{let a=e.normalizedDisplayToProjection(t,n,r);return a=e.projectionToView(a[0],a[1],a[2],o),e.viewToWorld(a[0],a[1],a[2])},e.worldToNormalizedDisplay=(t,n,r,o)=>{let a=e.worldToView(t,n,r);return a=e.viewToProjection(a[0],a[1],a[2],o),e.projectionToNormalizedDisplay(a[0],a[1],a[2])},e.viewToWorld=(e,n,r)=>{if(null===t.activeCamera)return Zx("ViewToWorld: no active camera, cannot compute view to world, returning 0,0,0"),[0,0,0];const o=t.activeCamera.getViewMatrix();h(o,o),m(o,o);const a=new Float64Array([e,n,r]);return Ln(a,a,o),a},e.projectionToView=(e,n,r,o)=>{if(null===t.activeCamera)return Zx("ProjectionToView: no active camera, cannot compute projection to view, returning 0,0,0"),[0,0,0];const a=t.activeCamera.getProjectionMatrix(o,-1,1);h(a,a),m(a,a);const i=new Float64Array([e,n,r]);return Ln(i,i,a),i},e.worldToView=(e,n,r)=>{if(null===t.activeCamera)return Zx("WorldToView: no active camera, cannot compute view to world, returning 0,0,0"),[0,0,0];const 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0!==arguments[2]?arguments[2]:{};for(Object.assign(t,tT,n),Xx.extend(e,t,n),t.background||(t.background=[0,0,0,1]);t.background.length<3;)t.background.push(0);3===t.background.length&&t.background.push(1),xt(e,t,["_renderWindow","allocatedRenderTime","timeFactor","lastRenderTimeInSeconds","numberOfPropsRendered","lastRenderingUsedDepthPeeling","selector"]),At(e,t,["twoSidedLighting","lightFollowCamera","automaticLightCreation","erase","draw","nearClippingPlaneTolerance","clippingRangeExpansion","backingStore","interactive","layer","preserveColorBuffer","preserveDepthBuffer","useDepthPeeling","occlusionRatio","maximumNumberOfPeels","delegate","backgroundTexture","texturedBackground","environmentTexture","environmentTextureDiffuseStrength","environmentTextureSpecularStrength","useEnvironmentTextureAsBackground","useShadows","pass"]),Pt(e,t,["actors","volumes","lights"]),wt(e,t,["background"],4,1),Ot(0,t,["renderWindow"]),eT(e,t)}var rT={newInstance:Et(nT,"vtkRenderer"),extend:nT};const oT=Object.create(null);function aT(e,t){oT[e]=t}function iT(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return oT[e]&&oT[e](t)}function sT(e,t){t.classHierarchy.push("vtkRenderWindow"),e.addRenderer=n=>{e.hasRenderer(n)||(n.setRenderWindow(e),t.renderers.push(n),e.modified())},e.removeRenderer=n=>{t.renderers=t.renderers.filter((e=>e!==n)),e.modified()},e.hasRenderer=e=>-1!==t.renderers.indexOf(e),e.newAPISpecificView=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return iT(e||t.defaultViewAPI,n)},e.addView=n=>{e.hasView(n)||(n.setRenderable(e),t._views.push(n),e.modified())},e.removeView=n=>{t._views=t._views.filter((e=>e!==n)),e.modified()},e.hasView=e=>-1!==t._views.indexOf(e),e.preRender=()=>{t.renderers.forEach((e=>{e.isActiveCameraCreated()||e.resetCamera()}))},e.render=()=>{e.preRender(),t.interactor?t.interactor.render():t._views.forEach((e=>e.traverseAllPasses()))},e.getStatistics=()=>{const e={propCount:0,invisiblePropCount:0,gpuMemoryMB:0};return t._views.forEach((t=>{e.gpuMemoryMB+=t.getGraphicsMemoryInfo()/1e6})),t.renderers.forEach((n=>{const r=n.getViewProps(),o=t._views[0].getViewNodeFor(n);r.forEach((t=>{if(t.getVisibility()){e.propCount+=1;const n=t.getMapper&&t.getMapper();if(n&&n.getPrimitiveCount){const t=o.getViewNodeFor(n);if(t){e.gpuMemoryMB+=t.getAllocatedGPUMemoryInBytes()/1e6;const r=n.getPrimitiveCount();Object.keys(r).forEach((t=>{e[t]||(e[t]=0),e[t]+=r[t]}))}}}else e.invisiblePropCount+=1}))})),e.str=Object.keys(e).map((t=>`${t}: ${e[t]}`)).join("\n"),e},e.captureImages=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"image/png",r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return jt.setImmediate(e.render),t._views.map((e=>e.captureNextImage?e.captureNextImage(n,r):void 0)).filter((e=>!!e))}}const lT={defaultViewAPI:"WebGL",renderers:[],views:[],interactor:null,neverRendered:!0,numberOfLayers:1};function cT(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,lT,n),jt.obj(e,t),jt.setGet(e,t,["interactor","numberOfLayers","_views","defaultViewAPI"]),jt.get(e,t,["neverRendered"]),jt.getArray(e,t,["renderers"]),jt.moveToProtected(e,t,["views"]),jt.event(e,t,"completion"),sT(e,t)}var uT={newInstance:jt.newInstance(cT,"vtkRenderWindow"),extend:cT,registerViewConstructor:aT,listViewAPIs:function(){return Object.keys(oT)},newAPISpecificView:iT};const dT={Unknown:0,LeftController:1,RightController:2},pT={Unknown:0,Trigger:1,TrackPad:2,Grip:3,Thumbstick:4,A:5,B:6,ApplicationMenu:7};var 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e.forEach((e=>{let{pointerId:n,position:r}=e;t[n]=r})),t}function PT(e,t){t.classHierarchy.push("vtkRenderWindowInteractor");const n=new Set,r=new Map;let o=1;function a(n,r){t._forcedRenderer||(t.currentRenderer=e.findPokedRenderer(n,r))}e.start=()=>{(t.initialized||(e.initialize(),t.initialized))&&e.startEventLoop()},e.setRenderWindow=e=>{vT("you want to call setView(view) instead of setRenderWindow on a vtk.js interactor")},e.setInteractorStyle=n=>{t.interactorStyle!==n&&(null!=t.interactorStyle&&t.interactorStyle.setInteractor(null),t.interactorStyle=n,null!=t.interactorStyle&&t.interactorStyle.getInteractor()!==e&&t.interactorStyle.setInteractor(e))},e.initialize=()=>{t.initialized=!0,e.enable(),e.render()},e.enable=()=>e.setEnabled(!0),e.disable=()=>e.setEnabled(!1),e.startEventLoop=()=>hT("empty event loop"),e.getCurrentRenderer=()=>(t.currentRenderer||a(0,0),t.currentRenderer);const i=t._getScreenEventPositionFor||function(e){const n=t._view.getCanvas(),o=n.getBoundingClientRect(),i=n.width/o.width,s=n.height/o.height,l={x:i*(e.clientX-o.left),y:s*(o.height-e.clientY+o.top),z:0};return(r.size<=1||!t.currentRenderer)&&a(l.x,l.y),l};function s(e){return{controlKey:e.ctrlKey,altKey:e.altKey,shiftKey:e.shiftKey}}function l(e){const t=s(e);return{key:e.key,keyCode:e.charCode,...t}}function c(e){return e.pointerType||""}function u(){t._view&&t.enabled&&t.enableRender&&(t.inRender=!0,t._view.traverseAllPasses(),t.inRender=!1),e.invokeRenderEvent()}e.bindEvents=n=>{t.container=n,n.addEventListener("contextmenu",ST),n.addEventListener("wheel",e.handleWheel),n.addEventListener("DOMMouseScroll",e.handleWheel),n.addEventListener("pointerenter",e.handlePointerEnter),n.addEventListener("pointerleave",e.handlePointerLeave),n.addEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.addEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.addEventListener("pointerup",e.handlePointerUp),n.addEventListener("pointercancel",e.handlePointerCancel),document.addEventListener("keypress",e.handleKeyPress),document.addEventListener("keydown",e.handleKeyDown),document.addEventListener("keyup",e.handleKeyUp),document.addEventListener("pointerlockchange",e.handlePointerLockChange),n.style.touchAction="none",n.style.userSelect="none",n.style.webkitTapHighlightColor="rgba(0,0,0,0)"},e.unbindEvents=()=>{const{container:n}=t;n.removeEventListener("contextmenu",ST),n.removeEventListener("wheel",e.handleWheel),n.removeEventListener("DOMMouseScroll",e.handleWheel),n.removeEventListener("pointerenter",e.handlePointerEnter),n.removeEventListener("pointerleave",e.handlePointerLeave),n.removeEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.removeEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.removeEventListener("pointerup",e.handlePointerUp),n.removeEventListener("pointercancel",e.handlePointerCancel),document.removeEventListener("keypress",e.handleKeyPress),document.removeEventListener("keydown",e.handleKeyDown),document.removeEventListener("keyup",e.handleKeyUp),document.removeEventListener("pointerlockchange",e.handlePointerLockChange),t.container=null,r.clear()},e.handleKeyPress=t=>{const n=l(t);e.keyPressEvent(n)},e.handleKeyDown=t=>{const n=l(t);e.keyDownEvent(n)},e.handleKeyUp=t=>{const n=l(t);e.keyUpEvent(n)},e.handlePointerEnter=t=>{const n={...s(t),position:i(t),deviceType:c(t)};e.pointerEnterEvent(n),"mouse"===n.deviceType&&e.mouseEnterEvent(n)},e.handlePointerLeave=t=>{const n={...s(t),position:i(t),deviceType:c(t)};e.pointerLeaveEvent(n),"mouse"===n.deviceType&&e.mouseLeaveEvent(n)},e.handlePointerDown=n=>{if(!(n.button>2||e.isPointerLocked()))switch(t.preventDefaultOnPointerDown&&ST(n),n.target.hasPointerCapture(n.pointerId)&&n.target.releasePointerCapture(n.pointerId),t.container.setPointerCapture(n.pointerId),r.has(n.pointerId)&&hT("[RenderWindowInteractor] duplicate pointerId 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o=Date.now()+r;t._animationExtendedEnd=Math.max(t._animationExtendedEnd,o),t.animationRequest||0!==n.size||t.xrAnimation||(t._animationStartTime=Date.now(),t._animationFrameCount=0,t.animationRequest=requestAnimationFrame(e.handleAnimation),e.startAnimationEvent())},e.isAnimating=()=>t.xrAnimation||null!==t.animationRequest,e.cancelAnimation=function(r){let o=arguments.length>1&&void 0!==arguments[1]&&arguments[1];if(n.has(r))n.delete(r),t.animationRequest&&0===n.size&&Date.now()>t._animationExtendedEnd&&(cancelAnimationFrame(t.animationRequest),t.animationRequest=null,e.endAnimationEvent(),e.render());else if(!o){const e=r&&r.getClassName?r.getClassName():r;hT(`${e} did not request an 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r=Date.now();t._animationFrameCount++,r-t._animationStartTime>1e3&&t._animationFrameCount>1&&(t.recentAnimationFrameRate=1e3*(t._animationFrameCount-1)/(r-t._animationStartTime),t.lastFrameTime=1/t.recentAnimationFrameRate,e.animationFrameRateUpdateEvent(),t._animationStartTime=r,t._animationFrameCount=1),e.animationEvent(),u(),n.size>0||Date.now(){ST(n);const r={...yT(n),...s(n),position:i(n),deviceType:c(n)};0===t.wheelTimeoutID&&(o=Math.abs(r.spinY)>=.3?Math.abs(r.spinY):1),r.spinY/=o,0===t.wheelTimeoutID?(e.startMouseWheelEvent(r),e.mouseWheelEvent(r)):(e.mouseWheelEvent(r),clearTimeout(t.wheelTimeoutID)),t.mouseScrollDebounceByPass?(e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0):t.wheelTimeoutID=setTimeout((()=>{e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0}),200)},e.handleMouseUp=t=>{const n={...s(t),position:i(t),deviceType:c(t)};switch(t.button){case 0:e.leftButtonReleaseEvent(n);break;case 1:e.middleButtonReleaseEvent(n);break;case 2:e.rightButtonReleaseEvent(n);break;default:vT(`Unknown mouse button released: ${t.button}`)}},e.handleTouchStart=n=>{const o=[...r.values()];if(t.recognizeGestures&&o.length>1){const t=AT(r);if(2===o.length){const t={...s(xT),position:o[0].position,deviceType:c(n)};e.leftButtonReleaseEvent(t)}e.recognizeGesture("TouchStart",t)}else if(1===o.length){const t={...s(xT),position:i(n),deviceType:c(n)};e.leftButtonPressEvent(t)}},e.handleTouchMove=n=>{const o=[...r.values()];if(t.recognizeGestures&&o.length>1){const t=AT(r);e.recognizeGesture("TouchMove",t)}else if(1===o.length){const t={...s(xT),position:o[0].position,deviceType:c(n)};e.mouseMoveEvent(t)}},e.handleTouchEnd=n=>{const o=[...r.values()];if(t.recognizeGestures)if(0===o.length){const t={...s(xT),position:i(n),deviceType:c(n)};e.leftButtonReleaseEvent(t)}else if(1===o.length){const t=AT(r);e.recognizeGesture("TouchEnd",t);const a={...s(xT),position:o[0].position,deviceType:c(n)};e.leftButtonPressEvent(a)}else{const 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r=n.charAt(0).toLowerCase()+n.slice(1);e[`${r}Event`]=r=>{if(!t.enabled)return;if(!e.getCurrentRenderer())return void bT("\n Can not forward events without a current renderer on the interactor.\n ");const o={type:n,pokedRenderer:t.currentRenderer,firstRenderer:e.getFirstRenderer(),...r};e[`invoke${n}`](o)}})),e.recognizeGesture=(n,r)=>{if(Object.keys(r).length>2)return;if(t.startingEventPositions||(t.startingEventPositions={}),"TouchStart"===n)return Object.keys(r).forEach((e=>{t.startingEventPositions[e]=r[e]})),void(t.currentGesture="Start");if("TouchEnd"===n)return"Pinch"===t.currentGesture&&(e.render(),e.endPinchEvent()),"Rotate"===t.currentGesture&&(e.render(),e.endRotateEvent()),"Pan"===t.currentGesture&&(e.render(),e.endPanEvent()),t.currentGesture="Start",void(t.startingEventPositions={});let o=0;const a=[],i=[];Object.keys(r).forEach((e=>{a[o]=r[e],i[o]=t.startingEventPositions[e],o++}));const s=Math.sqrt((i[0].x-i[1].x)*(i[0].x-i[1].x)+(i[0].y-i[1].y)*(i[0].y-i[1].y)),l=Math.sqrt((a[0].x-a[1].x)*(a[0].x-a[1].x)+(a[0].y-a[1].y)*(a[0].y-a[1].y));let c=Do(Math.atan2(i[1].y-i[0].y,i[1].x-i[0].x)),u=Do(Math.atan2(a[1].y-a[0].y,a[1].x-a[0].x)),d=u-c;u=u+180>=360?u-180:u+180,c=c+180>=360?c-180:c+180,Math.abs(u-c)n&&o>a&&o>i){t.currentGesture="Pinch";const n={scale:1,touches:r};e.startPinchEvent(n)}else if(a>n&&a>i){t.currentGesture="Rotate";const n={rotation:0,touches:r};e.startRotateEvent(n)}else if(i>n){t.currentGesture="Pan";const n={translation:[0,0],touches:r};e.startPanEvent(n)}}else{if("Rotate"===t.currentGesture){const t={rotation:d,touches:r};e.rotateEvent(t)}if("Pinch"===t.currentGesture){const t={scale:l/s,touches:r};e.pinchEvent(t)}if("Pan"===t.currentGesture){const t={translation:p,touches:r};e.panEvent(t)}}},e.handleVisibilityChange=()=>{t._animationStartTime=Date.now(),t._animationFrameCount=0},e.setCurrentRenderer=e=>{t._forcedRenderer=!!e,t.currentRenderer=e};const d=e.delete;e.delete=()=>{for(;n.size;)e.cancelAnimation(n.values().next().value);void 0!==document.hidden&&document.removeEventListener("visibilitychange",e.handleVisibilityChange),t.container&&e.unbindEvents(),d()},void 0!==document.hidden&&document.addEventListener("visibilitychange",e.handleVisibilityChange,!1)}const IT={renderWindow:null,interactorStyle:null,picker:null,pickingManager:null,initialized:!1,enabled:!1,enableRender:!0,currentRenderer:null,lightFollowCamera:!0,desiredUpdateRate:30,stillUpdateRate:2,container:null,recognizeGestures:!0,currentGesture:"Start",animationRequest:null,lastFrameTime:.1,recentAnimationFrameRate:10,wheelTimeoutID:0,moveTimeoutID:0,lastGamepadValues:{},preventDefaultOnPointerDown:!1,preventDefaultOnPointerUp:!1,mouseScrollDebounceByPass:!1};function wT(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,IT,n),jt.obj(e,t),t._animationExtendedEnd=0,jt.event(e,t,"RenderEvent"),CT.forEach((n=>jt.event(e,t,n))),jt.get(e,t,["initialized","container","interactorStyle","lastFrameTime","recentAnimationFrameRate","_view"]),jt.setGet(e,t,["lightFollowCamera","enabled","enableRender","recognizeGestures","desiredUpdateRate","stillUpdateRate","picker","preventDefaultOnPointerDown","preventDefaultOnPointerUp","mouseScrollDebounceByPass"]),jt.moveToProtected(e,t,["view"]),PT(e,t)}var OT={newInstance:jt.newInstance(wT,"vtkRenderWindowInteractor"),extend:wT,handledEvents:CT,...fT};const{vtkErrorMacro:MT,VOID:RT}=jt;function VT(e,t){t.classHierarchy.push("vtkInteractorObserver");const n={...e};function r(){for(;t.subscribedEvents.length;)t.subscribedEvents.pop().unsubscribe()}function o(){OT.handledEvents.forEach((n=>{e[`handle${n}`]&&t.subscribedEvents.push(t._interactor[`on${n}`]((r=>t.processEvents?e[`handle${n}`](r):RT),t.priority))}))}e.setInteractor=n=>{n!==t._interactor&&(r(),t._interactor=n,n&&t.enabled&&o(),e.modified())},e.setEnabled=n=>{n!==t.enabled&&(r(),n&&(t._interactor?o():MT("\n The interactor must be set before subscribing to events\n ")),t.enabled=n,e.modified())},e.computeDisplayToWorld=(e,n,r,o)=>e?t._interactor.getView().displayToWorld(n,r,o,e):null,e.computeWorldToDisplay=(e,n,r,o)=>e?t._interactor.getView().worldToDisplay(n,r,o,e):null,e.setPriority=e=>{n.setPriority(e)&&t._interactor&&(r(),o())}}const ET={enabled:!0,priority:0,processEvents:!0,subscribedEvents:[]};function DT(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ET,n),jt.obj(e,t),jt.event(e,t,"InteractionEvent"),jt.event(e,t,"StartInteractionEvent"),jt.event(e,t,"EndInteractionEvent"),jt.get(e,t,["_interactor","enabled"]),jt.setGet(e,t,["priority","processEvents"]),jt.moveToProtected(e,t,["interactor"]),VT(e,t)}var LT={newInstance:jt.newInstance(DT,"vtkInteractorObserver"),extend:DT,computeWorldToDisplay:function(e,t,n,r){return e.getRenderWindow().getViews()[0].worldToDisplay(t,n,r,e)},computeDisplayToWorld:function(e,t,n,r){return e.getRenderWindow().getViews()[0].displayToWorld(t,n,r,e)}};const BT={IS_START:0,IS_NONE:0,IS_ROTATE:1,IS_PAN:2,IS_SPIN:3,IS_DOLLY:4,IS_CAMERA_POSE:11,IS_WINDOW_LEVEL:1024,IS_SLICE:1025};var NT={States:BT};const{States:kT}=NT,FT={Rotate:kT.IS_ROTATE,Pan:kT.IS_PAN,Spin:kT.IS_SPIN,Dolly:kT.IS_DOLLY,CameraPose:kT.IS_CAMERA_POSE,WindowLevel:kT.IS_WINDOW_LEVEL,Slice:kT.IS_SLICE};function _T(e,t){t.classHierarchy.push("vtkInteractorStyle"),Object.keys(FT).forEach((n=>{jt.event(e,t,`Start${n}Event`),e[`start${n}`]=()=>{t.state===kT.IS_NONE&&(t.state=FT[n],t._interactor.requestAnimation(e),e.invokeStartInteractionEvent({type:"StartInteractionEvent"}),e[`invokeStart${n}Event`]({type:`Start${n}Event`}))},jt.event(e,t,`End${n}Event`),e[`end${n}`]=()=>{t.state===FT[n]&&(t.state=kT.IS_NONE,t._interactor.cancelAnimation(e),e.invokeEndInteractionEvent({type:"EndInteractionEvent"}),e[`invokeEnd${n}Event`]({type:`End${n}Event`}),t._interactor.render())}})),e.handleKeyPress=e=>{const n=t._interactor;let r=null;switch(e.key){case"r":case"R":e.pokedRenderer.resetCamera(),n.render();break;case"w":case"W":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToWireframe&&t.setRepresentationToWireframe()})),n.render();break;case"s":case"S":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToSurface&&t.setRepresentationToSurface()})),n.render();break;case"v":case"V":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToPoints&&t.setRepresentationToPoints()})),n.render()}}}const GT={state:kT.IS_NONE,handleObservers:1,autoAdjustCameraClippingRange:1};function UT(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,GT,n),LT.extend(e,t,n),_T(e,t)}var WT={newInstance:jt.newInstance(UT,"vtkInteractorStyle"),extend:UT,...NT};const{States:zT}=NT;function HT(e,t){t.classHierarchy.push("vtkInteractorStyleTrackballCamera"),e.handleMouseMove=n=>{const r=n.position,o=n.pokedRenderer;switch(t.state){case zT.IS_ROTATE:e.handleMouseRotate(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case zT.IS_PAN:e.handleMousePan(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case 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r=n.position;t.previousPosition=r,n.shiftKey?n.controlKey||n.altKey?e.startDolly():e.startPan():n.controlKey||n.altKey?e.startSpin():e.startRotate()},e.handleLeftButtonRelease=()=>{switch(t.state){case zT.IS_DOLLY:e.endDolly();break;case zT.IS_PAN:e.endPan();break;case zT.IS_SPIN:e.endSpin();break;case zT.IS_ROTATE:e.endRotate()}},e.handleStartMouseWheel=()=>{e.startDolly()},e.handleEndMouseWheel=()=>{e.endDolly()},e.handleStartPinch=n=>{t.previousScale=n.scale,e.startDolly()},e.handleEndPinch=()=>{e.endDolly()},e.handleStartRotate=n=>{t.previousRotation=n.rotation,e.startRotate()},e.handleEndRotate=()=>{e.endRotate()},e.handleStartPan=n=>{t.previousTranslation=n.translation,e.startPan()},e.handleEndPan=()=>{e.endPan()},e.handlePinch=n=>{e.dollyByFactor(n.pokedRenderer,n.scale/t.previousScale),t.previousScale=n.scale},e.handlePan=n=>{const r=n.pokedRenderer.getActiveCamera();let o=r.getFocalPoint();o=e.computeWorldToDisplay(n.pokedRenderer,o[0],o[1],o[2]);const a=o[2],i=n.translation,s=t.previousTranslation,l=e.computeDisplayToWorld(n.pokedRenderer,o[0]+i[0]-s[0],o[1]+i[1]-s[1],a),c=e.computeDisplayToWorld(n.pokedRenderer,o[0],o[1],a),u=[];u[0]=c[0]-l[0],u[1]=c[1]-l[1],u[2]=c[2]-l[2],o=r.getFocalPoint();const d=r.getPosition();r.setFocalPoint(u[0]+o[0],u[1]+o[1],u[2]+o[2]),r.setPosition(u[0]+d[0],u[1]+d[1],u[2]+d[2]),t._interactor.getLightFollowCamera()&&n.pokedRenderer.updateLightsGeometryToFollowCamera(),r.orthogonalizeViewUp(),t.previousTranslation=n.translation},e.handleRotate=e=>{const n=e.pokedRenderer.getActiveCamera();n.roll(e.rotation-t.previousRotation),n.orthogonalizeViewUp(),t.previousRotation=e.rotation},e.handleMouseRotate=(e,n)=>{if(!t.previousPosition)return;const r=t._interactor,o=n.x-t.previousPosition.x,a=n.y-t.previousPosition.y,i=r.getView().getViewportSize(e);let s=-.1,l=-.1;i[0]&&i[1]&&(s=-20/i[1],l=-20/i[0]);const c=o*l*t.motionFactor,u=a*s*t.motionFactor,d=e.getActiveCamera();Number.isNaN(c)||Number.isNaN(u)||(d.azimuth(c),d.elevation(u),d.orthogonalizeViewUp()),t.autoAdjustCameraClippingRange&&e.resetCameraClippingRange(),r.getLightFollowCamera()&&e.updateLightsGeometryToFollowCamera()},e.handleMouseSpin=(e,n)=>{if(!t.previousPosition)return;const r=t._interactor,o=e.getActiveCamera(),a=r.getView().getViewportCenter(e),i=Do(Math.atan2(t.previousPosition.y-a[1],t.previousPosition.x-a[0])),s=Do(Math.atan2(n.y-a[1],n.x-a[0]))-i;Number.isNaN(s)||(o.roll(s),o.orthogonalizeViewUp())},e.handleMousePan=(n,r)=>{if(!t.previousPosition)return;const o=n.getActiveCamera();let a=o.getFocalPoint();a=e.computeWorldToDisplay(n,a[0],a[1],a[2]);const i=a[2],s=e.computeDisplayToWorld(n,r.x,r.y,i),l=e.computeDisplayToWorld(n,t.previousPosition.x,t.previousPosition.y,i),c=[];c[0]=l[0]-s[0],c[1]=l[1]-s[1],c[2]=l[2]-s[2],a=o.getFocalPoint();const u=o.getPosition();o.setFocalPoint(c[0]+a[0],c[1]+a[1],c[2]+a[2]),o.setPosition(c[0]+u[0],c[1]+u[1],c[2]+u[2]),t._interactor.getLightFollowCamera()&&n.updateLightsGeometryToFollowCamera()},e.handleMouseDolly=(n,r)=>{if(!t.previousPosition)return;const o=r.y-t.previousPosition.y,a=t._interactor.getView().getViewportCenter(n),i=t.motionFactor*o/a[1];e.dollyByFactor(n,1.1**i)},e.handleMouseWheel=n=>{const r=1-n.spinY/t.zoomFactor;e.dollyByFactor(n.pokedRenderer,r)},e.dollyByFactor=(e,n)=>{if(Number.isNaN(n))return;const r=e.getActiveCamera();r.getParallelProjection()?r.setParallelScale(r.getParallelScale()/n):(r.dolly(n),t.autoAdjustCameraClippingRange&&e.resetCameraClippingRange()),t._interactor.getLightFollowCamera()&&e.updateLightsGeometryToFollowCamera()}}const jT={motionFactor:10,zoomFactor:10};function KT(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,jT,n),WT.extend(e,t,n),jt.setGet(e,t,["motionFactor","zoomFactor"]),HT(e,t)}var $T={newInstance:jt.newInstance(KT,"vtkInteractorStyleTrackballCamera"),extend:KT};function qT(e){return e}function XT(e){return null===e||"null"===e?null:"true"===e||"false"!==e&&(void 0!==e&&"undefined"!==e?"["===e[0]&&"]"===e[e.length-1]?e.substring(1,e.length-1).split(",").map((e=>XT(e.trim()))):""===e||Number.isNaN(Number(e))?e:Number(e):void 0)}var YT=function(){let e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0],t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:window.location.search;const n={},r=e?XT:qT,o=(t||"").replace(/#.*/,"").replace("?","").split("&");return o.forEach((e=>{const[t,o]=e.split("=").map((e=>decodeURIComponent(e)));t&&(n[t]=!o||r(o))})),n};function ZT(e,t){t.classHierarchy.push("vtkRenderPass"),e.getOperation=()=>t.currentOperation,e.setCurrentOperation=e=>{t.currentOperation=e,t.currentTraverseOperation=`traverse${jt.capitalize(t.currentOperation)}`},e.getTraverseOperation=()=>t.currentTraverseOperation,e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;t.deleted||(t._currentParent=r,t.preDelegateOperations.forEach((t=>{e.setCurrentOperation(t),n.traverse(e)})),t.delegates.forEach((t=>{t.traverse(n,e)})),t.postDelegateOperations.forEach((t=>{e.setCurrentOperation(t),n.traverse(e)})))}}const QT={delegates:[],currentOperation:null,preDelegateOperations:[],postDelegateOperations:[],currentParent:null};function JT(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,QT,n),jt.obj(e,t),jt.get(e,t,["currentOperation"]),jt.setGet(e,t,["delegates","_currentParent","preDelegateOperations","postDelegateOperations"]),jt.moveToProtected(e,t,["currentParent"]),ZT(e,t)}var eC={newInstance:jt.newInstance(JT,"vtkRenderPass"),extend:JT};const{Representation:tC}=xs,{vtkErrorMacro:nC}=jt;function rC(e){const t=xd.substitute(e.Fragment,"//VTK::RenderPassFragmentShader::Impl","\n float weight = gl_FragData[0].a * pow(max(1.1 - gl_FragCoord.z, 0.0), 2.0);\n 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n=e.getSize(),r=e.getContext();t.framebuffer=nf.newInstance(),t.framebuffer.setOpenGLRenderWindow(e),t.framebuffer.create(...n),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind(),t.translucentRGBATexture=$d.newInstance(),t.translucentRGBATexture.setInternalFormat(r.RGBA16F),t.translucentRGBATexture.setFormat(r.RGBA),t.translucentRGBATexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRGBATexture.setOpenGLRenderWindow(e),t.translucentRGBATexture.create2DFromRaw(n[0],n[1],4,"Float32Array",null),t.translucentRTexture=$d.newInstance(),t.translucentRTexture.setInternalFormat(r.R16F),t.translucentRTexture.setFormat(r.RED),t.translucentRTexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRTexture.setOpenGLRenderWindow(e),t.translucentRTexture.create2DFromRaw(n[0],n[1],1,"Float32Array",null),t.translucentZTexture=$d.newInstance(),t.translucentZTexture.setOpenGLRenderWindow(e),t.translucentZTexture.createDepthFromRaw(n[0],n[1],"Float32Array",null),t.framebuffer.setColorBuffer(t.translucentRGBATexture,0),t.framebuffer.setColorBuffer(t.translucentRTexture,1),t.framebuffer.setDepthBuffer(t.translucentZTexture)},e.createCopyShader=e=>{t.copyShader=e.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","attribute vec2 tcoordTC;","varying vec2 tcoord;","void main() { tcoord = tcoordTC; gl_Position = vertexDC; }"].join("\n"),"//VTK::System::Dec\n\nin vec2 tcoord;\n\nuniform sampler2D translucentRTexture;\nuniform sampler2D translucentRGBATexture;\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n vec4 t1Color = texture(translucentRGBATexture, tcoord);\n float t2Color = texture(translucentRTexture, tcoord).r;\n gl_FragData[0] = vec4(t1Color.rgb/max(t2Color,0.01), 1.0 - t1Color.a);\n}\n","")},e.createVBO=n=>{const r=n.getContext();t.tris.setOpenGLRenderWindow(n),e.createVertexBuffer();const o=t.copyShader;t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(o,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),r.FLOAT,3,r.FALSE)||nC("Error setting vertexDC in copy shader VAO."),t.copyVAO.addAttributeArray(o,t.tris.getCABO(),"tcoordTC",t.tris.getCABO().getTCoordOffset(),t.tris.getCABO().getStride(),r.FLOAT,2,r.FALSE)||nC("Error setting vertexDC in copy shader VAO.")},e.traverse=(n,r,o)=>{if(t.deleted)return;const a=n.getSize(),i=n.getContext();if(t._supported=!1,r.getSelector()||!i||!n.getWebgl2()||!i.getExtension("EXT_color_buffer_half_float")&&!i.getExtension("EXT_color_buffer_float"))return e.setCurrentOperation("translucentPass"),void r.traverse(e);if(t._supported=!0,null===t.framebuffer)e.createFramebuffer(n);else{const r=t.framebuffer.getSize();null===r||r[0]!==a[0]||r[1]!==a[1]?(t.framebuffer.releaseGraphicsResources(),t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRTexture.releaseGraphicsResources(n),t.translucentZTexture.releaseGraphicsResources(n),e.createFramebuffer(n)):(t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind())}i.drawBuffers([i.COLOR_ATTACHMENT0]),i.clearBufferfv(i.COLOR,0,[0,0,0,0]),i.clearBufferfv(i.DEPTH,0,[1]),i.colorMask(!1,!1,!1,!1),o.getOpaqueActorCount()>0&&(o.setCurrentOperation("opaqueZBufferPass"),r.traverse(o)),i.colorMask(!0,!0,!0,!0),i.drawBuffers([i.COLOR_ATTACHMENT0,i.COLOR_ATTACHMENT1]),i.viewport(0,0,a[0],a[1]),i.scissor(0,0,a[0],a[1]),i.clearBufferfv(i.COLOR,0,[0,0,0,1]),i.clearBufferfv(i.COLOR,1,[0,0,0,0]),i.enable(i.DEPTH_TEST),i.enable(i.BLEND),i.blendFuncSeparate(i.ONE,i.ONE,i.ZERO,i.ONE_MINUS_SRC_ALPHA),e.setCurrentOperation("translucentPass"),r.traverse(e),i.drawBuffers([i.NONE]),t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader?e.createCopyShader(n):n.getShaderCache().readyShaderProgram(t.copyShader),t.copyVAO||(t.copyVAO=Ad.newInstance(),t.copyVAO.setOpenGLRenderWindow(n)),t.copyVAO.bind(),t.VBOBuildTime.getMTime()t._supported?rC:null,e.releaseGraphicsResources=n=>{t.framebuffer&&(t.framebuffer.releaseGraphicsResources(n),t.framebuffer=null),t.translucentRGBATexture&&(t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRGBATexture=null),t.translucentRTexture&&(t.translucentRTexture.releaseGraphicsResources(n),t.translucentRTexture=null),t.translucentZTexture&&(t.translucentZTexture.releaseGraphicsResources(n),t.translucentZTexture=null),t.copyVAO&&(t.copyVAO.releaseGraphicsResources(n),t.copyVAO=null),t.copyShader&&(t.copyShader.releaseGraphicsResources(n),t.copyShader=null),t.tris&&(t.tris.releaseGraphicsResources(n),t.tris=null),e.modified()}}const aC={framebuffer:null,copyShader:null,tris:null};function iC(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,aC,n),eC.extend(e,t,n),t.VBOBuildTime={},jt.obj(t.VBOBuildTime,{mtime:0}),t.tris=Md.newInstance(),jt.get(e,t,["framebuffer"]),oC(e,t)}var sC={newInstance:jt.newInstance(iC,"vtkOpenGLOrderIndependentTranslucentPass"),extend:iC};function lC(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getRenderable().getNumberOfLayers(),a=n.getChildren();for(let r=0;r0||t.translucentActorCount>0)&&t.volumeCount>0||t.depthRequested){const r=n.getFramebufferSize();null===t.framebuffer&&(t.framebuffer=nf.newInstance()),t.framebuffer.setOpenGLRenderWindow(n),t.framebuffer.saveCurrentBindingsAndBuffers();const o=t.framebuffer.getSize();null!==o&&o[0]===r[0]&&o[1]===r[1]||(t.framebuffer.create(r[0],r[1]),t.framebuffer.populateFramebuffer()),t.framebuffer.bind(),e.setCurrentOperation("zBufferPass"),i.traverse(e),t.framebuffer.restorePreviousBindingsAndBuffers(),t.depthRequested=!1}e.setCurrentOperation("cameraPass"),i.traverse(e),t.opaqueActorCount>0&&(e.setCurrentOperation("opaquePass"),i.traverse(e)),t.translucentActorCount>0&&(t.translucentPass||(t.translucentPass=sC.newInstance()),t.translucentPass.traverse(n,i,e)),t.volumeCount>0&&(e.setCurrentOperation("volumePass"),i.traverse(e)),t.overlayActorCount>0&&(e.setCurrentOperation("overlayPass"),i.traverse(e))}}},e.getZBufferTexture=()=>t.framebuffer?t.framebuffer.getColorTexture():null,e.requestDepth=()=>{t.depthRequested=!0},e.incrementOpaqueActorCount=()=>t.opaqueActorCount++,e.incrementTranslucentActorCount=()=>t.translucentActorCount++,e.incrementVolumeCount=()=>t.volumeCount++,e.incrementOverlayActorCount=()=>t.overlayActorCount++}const cC={opaqueActorCount:0,translucentActorCount:0,volumeCount:0,overlayActorCount:0,framebuffer:null,depthRequested:!1};function uC(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,cC,n),eC.extend(e,t,n),jt.get(e,t,["framebuffer","opaqueActorCount","translucentActorCount","volumeCount"]),lC(e,t)}var dC={newInstance:jt.newInstance(uC,"vtkForwardPass"),extend:uC},pC=n(594),fC=n.n(pC);const gC=["lastShaderProgramBound","context","_openGLRenderWindow"];function mC(e,t){t.classHierarchy.push("vtkShaderCache"),e.replaceShaderValues=(e,n,r)=>{let o=n;r.length>0&&(o=xd.substitute(o,"VSOut","GSOut").result);const a=t._openGLRenderWindow.getWebgl2();let i="\n",s="#version 100\n";a?s="#version 300 es\n#define attribute in\n#define textureCube texture\n#define texture2D texture\n#define textureCubeLod textureLod\n#define texture2DLod textureLod\n":(t.context.getExtension("OES_standard_derivatives"),t.context.getExtension("EXT_frag_depth")&&(i="#extension GL_EXT_frag_depth : enable\n"),t.context.getExtension("EXT_shader_texture_lod")&&(i+="#extension GL_EXT_shader_texture_lod : enable\n#define textureCubeLod textureCubeLodEXT\n#define texture2DLod texture2DLodEXT")),o=xd.substitute(o,"//VTK::System::Dec",[`${s}\n`,a?"":"#extension GL_OES_standard_derivatives : enable\n",i,"#ifdef GL_FRAGMENT_PRECISION_HIGH","precision highp float;","precision highp int;","#else","precision mediump float;","precision mediump int;","#endif"]).result;let l=xd.substitute(e,"//VTK::System::Dec",[`${s}\n`,"#ifdef GL_FRAGMENT_PRECISION_HIGH","precision highp float;","precision highp int;","#else","precision mediump float;","precision mediump int;","#endif"]).result;if(a){l=xd.substitute(l,"varying","out").result,o=xd.substitute(o,"varying","in").result;let e="",t=0;for(;o.includes(`gl_FragData[${t}]`);)o=xd.substitute(o,`gl_FragData\\[${t}\\]`,`fragOutput${t}`).result,e+=`layout(location = ${t}) out vec4 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t=e.getContainer().getElementsByTagName("canvas");for(let e=0;e{t.cullFaceEnabled&&(t.context.disable(t.context.CULL_FACE),t.cullFaceEnabled=!1)},e.enableCullFace=()=>{t.cullFaceEnabled||(t.context.enable(t.context.CULL_FACE),t.cullFaceEnabled=!0)},e.setViewStream=n=>t.viewStream!==n&&(t.subscription&&(t.subscription.unsubscribe(),t.subscription=null),t.viewStream=n,t.viewStream&&(t.renderable.getRenderers()[0].getBackgroundByReference()[3]=0,e.setUseBackgroundImage(!0),t.subscription=t.viewStream.onImageReady((t=>e.setBackgroundImage(t.image))),t.viewStream.setSize(t.size[0],t.size[1]),t.viewStream.invalidateCache(),t.viewStream.render(),e.modified()),!0),e.createSelector=()=>{const t=Sf.newInstance();return t.setOpenGLRenderWindow(e),t},e.delete=jt.chain((function(){t.canvas.removeEventListener("webglcontextlost",NC),t.canvas.removeEventListener("webglcontextrestored",e.restoreContext)}),e.delete,e.setViewStream,BC),e.setActiveFramebuffer=e=>{t.activeFramebuffer=e};const a=e.setSize;e.setSize=(t,n)=>{const r=a(t,n);return r&&e.invokeWindowResizeEvent({width:t,height:n}),r},e.getGraphicsResourceForObject=e=>e?{vtkObj:t._graphicsResources.get(e),hash:t._graphicsResourceHash.get(e)}:null,e.setGraphicsResourceForObject=(e,n,r)=>{e&&(t._graphicsResources.set(e,n),t._graphicsResourceHash.set(e,r))},e.getGraphicsMemoryInfo=()=>{let e=0;return t._graphicsResources.forEach(((t,n)=>{e+=t.getAllocatedGPUMemoryInBytes()})),e},e.releaseGraphicsResourcesForObject=n=>!!n&&(t._graphicsResources.get(n)?.releaseGraphicsResources(e),t._graphicsResources.delete(n)&&t._graphicsResourceHash.delete(n)),e.releaseGraphicsResources=()=>{null!==t.shaderCache&&t.shaderCache.releaseGraphicsResources(e),t._graphicsResources.forEach(((t,n)=>{t.releaseGraphicsResources(e)})),t._graphicsResources.clear(),t._graphicsResourceHash.clear(),null!==t.textureUnitManager&&t.textureUnitManager.freeAll(),t.renderable.getRenderersByReference().forEach((t=>{e.getViewNodeFor(t)?.releaseGraphicsResources()}))}}const FC={cullFaceEnabled:!1,shaderCache:null,initialized:!1,context:null,canvas:null,cursorVisibility:!0,cursor:"pointer",textureUnitManager:null,textureResourceIds:null,containerSize:null,renderPasses:[],notifyStartCaptureImage:!1,webgl2:!1,defaultToWebgl2:!0,activeFramebuffer:null,imageFormat:"image/png",useOffScreen:!1,useBackgroundImage:!1};const _C=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,FC,n),wC.extend(e,t,n),t.canvas=document.createElement("canvas"),t.canvas.style.width="100%",LC(),t.selector||(t.selector=Sf.newInstance(),t.selector.setOpenGLRenderWindow(e)),t.bgImage=new Image,t.bgImage.style.position="absolute",t.bgImage.style.left="0",t.bgImage.style.top="0",t.bgImage.style.width="100%",t.bgImage.style.height="100%",t.bgImage.style.zIndex="-1",t._textureResourceIds=new Map,t._graphicsResources=new Map,t._graphicsResourceHash=new Map,t._glInformation=null,t.myFactory=ln.newInstance(),t.myFactory.registerOverride("vtkRenderWindow",_C),t.shaderCache=yC.newInstance(),t.shaderCache.setOpenGLRenderWindow(e),t.renderPasses[0]=dC.newInstance(),jt.event(e,t,"imageReady"),jt.get(e,t,["shaderCache","textureUnitManager","webgl2","useBackgroundImage","activeFramebuffer"]),jt.setGet(e,t,["initialized","context","canvas","renderPasses","notifyStartCaptureImage","defaultToWebgl2","cursor","useOffScreen"]),jt.setGetArray(e,t,["size"],2),jt.event(e,t,"windowResizeEvent"),kC(e,t)}),"vtkOpenGLRenderWindow");aT("WebGL",_C);const GC=["setBindGroup","setIndexBuffer","setVertexBuffer","draw","drawIndexed"];function UC(e,t){t.classHierarchy.push("vtkWebGPURenderEncoder"),e.begin=e=>{t.drawCallbacks=[],t.handle=e.beginRenderPass(t.description),t.label&&t.handle.pushDebugGroup(t.label)},e.end=()=>{for(let n=0;n{if(t.boundPipeline===e)return;t.handle.setPipeline(e.getHandle());const n=e.getPipelineDescription();if(t.colorTextureViews.length!==n.fragment.targets.length)console.log(`mismatched attachment counts on pipeline ${n.fragment.targets.length} while encoder has ${t.colorTextureViews.length}`),console.trace();else for(let e=0;e{t.replaceShaderCodeFunction(e)},e.setColorTextureView=(e,n)=>{t.colorTextureViews[e]!==n&&(t.colorTextureViews[e]=n)},e.activateBindGroup=e=>{const n=t.boundPipeline.getDevice(),r=t.boundPipeline.getBindGroupLayoutCount(e.getLabel());t.handle.setBindGroup(r,e.getBindGroup(n));const o=n.getBindGroupLayoutDescription(e.getBindGroupLayout(n)),a=n.getBindGroupLayoutDescription(t.boundPipeline.getBindGroupLayout(r));o!==a&&(console.log(`renderEncoder ${t.pipelineHash} mismatched bind group layouts bind group has\n${o}\n versus pipeline\n${a}\n`),console.trace())},e.attachTextureViews=()=>{for(let e=0;e{for(let r=0;r2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,WC,n),yt(e,t),t.description={colorAttachments:[{view:void 0,loadOp:"load",storeOp:"store"}],depthStencilAttachment:{view:void 0,depthLoadOp:"clear",depthClearValue:0,depthStoreOp:"store"}},t.replaceShaderCodeFunction=e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=ih.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = computedColor;"]).result,t.setCode(n)},t.pipelineSettings={primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater-equal",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}},t.colorTextureViews=[],xt(e,t,["boundPipeline","colorTextureViews"]),At(e,t,["depthTextureView","description","handle","label","pipelineHash","pipelineSettings","replaceShaderCodeFunction"]),UC(e,t)}var HC={newInstance:Et(zC,"vtkWebGPURenderEncoder"),extend:zC};function jC(e,t){t.classHierarchy.push("vtkWebGPUOpaquePass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.renderEncoder)t.colorTexture.resize(r.getCanvas().width,r.getCanvas().height),t.depthTexture.resize(r.getCanvas().width,r.getCanvas().height);else{e.createRenderEncoder(),t.colorTexture=Dy.newInstance({label:"opaquePassColor"}),t.colorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const n=t.colorTexture.createView("opaquePassColorTexture");t.renderEncoder.setColorTextureView(0,n),t.depthFormat="depth32float",t.depthTexture=Dy.newInstance({label:"opaquePassDepth"}),t.depthTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:t.depthFormat,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const a=t.depthTexture.createView("opaquePassDepthTexture");t.renderEncoder.setDepthTextureView(a)}t.renderEncoder.attachTextureViews(),e.setCurrentOperation("opaquePass"),n.setRenderEncoder(t.renderEncoder),n.traverse(e)},e.getColorTextureView=()=>t.renderEncoder.getColorTextureViews()[0],e.getDepthTextureView=()=>t.renderEncoder.getDepthTextureView(),e.createRenderEncoder=()=>{t.renderEncoder=HC.newInstance({label:"OpaquePass"}),t.renderEncoder.setPipelineHash("op")}}const KC={renderEncoder:null,colorTexture:null,depthTexture:null};function $C(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,KC,n),eC.extend(e,t,n),jt.get(e,t,["colorTexture","depthTexture"]),jC(e,t)}var qC={newInstance:jt.newInstance($C,"vtkWebGPUOpaquePass"),extend:$C};function XC(e,t){t.classHierarchy.push("vtkWebGPUOrderIndependentTranslucentPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.translucentRenderEncoder)t.translucentColorTexture.resizeToMatch(t.colorTextureView.getTexture()),t.translucentAccumulateTexture.resizeToMatch(t.colorTextureView.getTexture());else{e.createRenderEncoder(),e.createFinalEncoder(),t.translucentColorTexture=Dy.newInstance({label:"translucentPassColor"}),t.translucentColorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const n=t.translucentColorTexture.createView("oitpColorTexture");t.translucentRenderEncoder.setColorTextureView(0,n),t.translucentAccumulateTexture=Dy.newInstance({label:"translucentPassAccumulate"}),t.translucentAccumulateTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const a=t.translucentAccumulateTexture.createView("oitpAccumTexture");t.translucentRenderEncoder.setColorTextureView(1,a),t.fullScreenQuad=kh.newInstance(),t.fullScreenQuad.setDevice(r.getDevice()),t.fullScreenQuad.setPipelineHash("oitpfsq"),t.fullScreenQuad.setTextureViews(t.translucentRenderEncoder.getColorTextureViews()),t.fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var tcoord: vec2 = vec2(i32(input.fragPos.x), i32(input.fragPos.y));\n var reveal: f32 = textureLoad(oitpAccumTexture, tcoord, 0).r;\n if (reveal == 1.0) { discard; }\n var tcolor: vec4 = textureLoad(oitpColorTexture, tcoord, 0);\n var total: f32 = max(tcolor.a, 0.01);\n var computedColor: vec4 = vec4(tcolor.r/total, tcolor.g/total, tcolor.b/total, 1.0 - reveal);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n")}t.translucentRenderEncoder.setDepthTextureView(t.depthTextureView),t.translucentRenderEncoder.attachTextureViews(),e.setCurrentOperation("translucentPass"),n.setRenderEncoder(t.translucentRenderEncoder),n.traverse(e),e.finalPass(r,n)},e.finalPass=(e,n)=>{t.translucentFinalEncoder.setColorTextureView(0,t.colorTextureView),t.translucentFinalEncoder.attachTextureViews(),t.translucentFinalEncoder.begin(e.getCommandEncoder()),n.scissorAndViewport(t.translucentFinalEncoder),t.fullScreenQuad.prepareAndDraw(t.translucentFinalEncoder),t.translucentFinalEncoder.end()},e.getTextures=()=>[t.translucentColorTexture,t.translucentAccumulateTexture],e.createRenderEncoder=()=>{t.translucentRenderEncoder=HC.newInstance({label:"translucentRender"});const e=t.translucentRenderEncoder.getDescription();e.colorAttachments=[{view:void 0,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:void 0,clearValue:[1,0,0,0],loadOp:"clear",storeOp:"store"}],e.depthStencilAttachment={view:void 0,depthLoadOp:"load",depthStoreOp:"store"},t.translucentRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor"),t.addOutput("f32","outAccum"),t.addBuiltinInput("vec4","@builtin(position) fragPos");let n=t.getCode();n=ih.substitute(n,"//VTK::RenderEncoder::Impl",["var w: f32 = computedColor.a * pow(0.1 + input.fragPos.z, 2.0);","output.outColor = vec4(computedColor.rgb*w, w);","output.outAccum = computedColor.a;"]).result,t.setCode(n)})),t.translucentRenderEncoder.setPipelineHash("oitpr"),t.translucentRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!1,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one"},alpha:{srcfactor:"one",dstFactor:"one"}}},{format:"r16float",blend:{color:{srcFactor:"zero",dstFactor:"one-minus-src"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createFinalEncoder=()=>{t.translucentFinalEncoder=HC.newInstance({label:"translucentFinal"}),t.translucentFinalEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t.translucentFinalEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor"),t.addBuiltinInput("vec4","@builtin(position) fragPos");let n=t.getCode();n=ih.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t.translucentFinalEncoder.setPipelineHash("oitpf"),t.translucentFinalEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})}}const YC={colorTextureView:null,depthTextureView:null};function ZC(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,YC,n),eC.extend(e,t,n),jt.setGet(e,t,["colorTextureView","depthTextureView"]),XC(e,t)}var QC={newInstance:jt.newInstance(ZC,"vtkWebGPUOrderIndependentTranslucentPass"),extend:ZC};const JC="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Volume::TraverseDec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\nfn getTextureValue(vTex: texture_3d, tpos: vec4) -> f32\n{\n // todo multicomponent support\n return textureSampleLevel(vTex, clampSampler, tpos.xyz, 0.0).r;\n}\n\nfn getGradient(vTex: texture_3d, tpos: vec4, vNum: i32, scalar: f32) -> vec4\n{\n var result: vec4;\n\n var tstep: vec4 = volumeSSBO.values[vNum].tstep;\n result.x = getTextureValue(vTex, tpos + vec4(tstep.x, 0.0, 0.0, 1.0)) - scalar;\n result.y = getTextureValue(vTex, tpos + vec4(0.0, tstep.y, 0.0, 1.0)) - scalar;\n result.z = getTextureValue(vTex, tpos + vec4(0.0, 0.0, tstep.z, 1.0)) - scalar;\n result.w = 0.0;\n\n // divide by spacing as that is our delta\n result = result / volumeSSBO.values[vNum].spacing;\n // now we have a gradient in unit tcoords\n\n var grad: f32 = length(result.xyz);\n if (grad > 0.0)\n {\n // rotate to View Coords, needed for lighting and shading\n var nMat: mat4x4 = rendererUBO.SCVCMatrix * volumeSSBO.values[vNum].planeNormals;\n result = nMat * result;\n result = result / length(result);\n }\n\n // store gradient magnitude in .w\n result.w = grad;\n\n return result;\n}\n\nfn processVolume(vTex: texture_3d, vNum: i32, cNum: i32, posSC: vec4, tfunRows: f32) -> vec4\n{\n var outColor: vec4 = vec4(0.0, 0.0, 0.0, 0.0);\n\n // convert to tcoords and reject if outside the volume\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*posSC;\n if (tpos.x < 0.0 || tpos.y < 0.0 || tpos.z < 0.0 ||\n tpos.x > 1.0 || tpos.y > 1.0 || tpos.z > 1.0) { return outColor; }\n\n var scalar: f32 = getTextureValue(vTex, tpos);\n\n var coord: vec2 =\n vec2(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n (0.5 + 2.0 * f32(vNum)) / tfunRows);\n var color: vec4 = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n\n var gofactor: f32 = 1.0;\n var normal: vec4 = vec4(0.0,0.0,0.0,0.0);\n if (componentSSBO.values[cNum].gomin < 1.0 || volumeSSBO.values[vNum].shade[0] > 0.0)\n {\n normal = getGradient(vTex, tpos, vNum, scalar);\n if (componentSSBO.values[cNum].gomin < 1.0)\n {\n gofactor = clamp(normal.a*componentSSBO.values[cNum].goScale + componentSSBO.values[cNum].goShift,\n componentSSBO.values[cNum].gomin, componentSSBO.values[cNum].gomax);\n }\n }\n\n coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n\n if (volumeSSBO.values[vNum].shade[0] > 0.0)\n {\n color = color*abs(normal.z);\n }\n\n outColor = vec4(color.rgb, gofactor * opacity);\n\n return outColor;\n}\n\n// adjust the start and end point of a raycast such that it intersects the unit cube.\n// This function is used to take a raycast starting point and step vector\n// and numSteps and return the startijng and ending steps for intersecting the\n// unit cube. Recall for a 3D texture, the unit cube is the range of texture coordsinates\n// that have valid values. So this funtion can be used to take a ray in texture coordinates\n// and bound it to intersecting the texture.\n//\nfn adjustBounds(tpos: vec4, tstep: vec4, numSteps: f32) -> vec2\n{\n var result: vec2 = vec2(0.0, numSteps);\n var tpos2: vec4 = tpos + tstep*numSteps;\n\n // move tpos to the start of the volume\n var adjust: f32 =\n min(\n max(tpos.x/tstep.x, (tpos.x - 1.0)/tstep.x),\n min(\n max((tpos.y - 1.0)/tstep.y, tpos.y/tstep.y),\n max((tpos.z - 1.0)/tstep.z, tpos.z/tstep.z)));\n if (adjust < 0.0)\n {\n result.x = result.x - adjust;\n }\n\n // adjust length to the end\n adjust =\n max(\n min(tpos2.x/tstep.x, (tpos2.x - 1.0)/tstep.x),\n max(\n min((tpos2.y - 1.0)/tstep.y, tpos2.y/tstep.y),\n min((tpos2.z - 1.0)/tstep.z, tpos2.z/tstep.z)));\n if (adjust > 0.0)\n {\n result.y = result.y - adjust;\n }\n\n return result;\n}\n\nfn getSimpleColor(scalar: f32, vNum: i32, cNum: i32) -> vec4\n{\n // how many rows (tfuns) do we have in our tfunTexture\n var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n var coord: vec2 =\n vec2(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n (0.5 + 2.0 * f32(vNum)) / tfunRows);\n var color: vec4 = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n return vec4(color.rgb, opacity);\n}\n\nfn traverseMax(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var maxVal: f32 = -1.0e37;\n loop\n {\n var scalar: f32 = getTextureValue(vTex, tpos);\n if (scalar > maxVal)\n {\n maxVal = scalar;\n }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(maxVal, vNum, cNum);\n}\n\nfn traverseMin(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var minVal: f32 = 1.0e37;\n loop\n {\n var scalar: f32 = getTextureValue(vTex, tpos);\n if (scalar < minVal)\n {\n minVal = scalar;\n }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(minVal, vNum, cNum);\n}\n\nfn traverseAverage(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n let ipRange: vec4 = volumeSSBO.values[vNum].ipScalarRange;\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var avgVal: f32 = 0.0;\n var sampleCount: f32 = 0.0;\n loop\n {\n var sample: f32 = getTextureValue(vTex, tpos);\n // right now leave filtering off until WebGL changes get merged\n // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n // {\n avgVal = avgVal + sample;\n sampleCount = sampleCount + 1.0;\n // }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n if (sampleCount <= 0.0)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(avgVal/sampleCount, vNum, cNum);\n}\n\nfn traverseAdditive(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n let ipRange: vec4 = volumeSSBO.values[vNum].ipScalarRange;\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var sumVal: f32 = 0.0;\n loop\n {\n var sample: f32 = getTextureValue(vTex, tpos);\n // right now leave filtering off until WebGL changes get merged\n // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n // {\n sumVal = sumVal + sample;\n // }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(sumVal, vNum, cNum);\n}\n\nfn composite(rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4) -> vec4\n{\n // initial ray position is at the beginning\n var rayPosSC: vec4 = minPosSC;\n\n // how many rows (tfuns) do we have in our tfunTexture\n var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n var curDist: f32 = 0.0;\n var computedColor: vec4 = vec4(0.0, 0.0, 0.0, 0.0);\n var sampleColor: vec4;\n//VTK::Volume::TraverseCalls\n\n loop\n {\n // for each volume, sample and accumulate color\n//VTK::Volume::CompositeCalls\n\n // increment position\n curDist = curDist + mapperUBO.SampleDistance;\n rayPosSC = rayPosSC + rayStepSC;\n\n // check if we have reached a terminating condition\n if (curDist > rayLengthSC) { break; }\n if (computedColor.a > 0.98) { break; }\n }\n return computedColor;\n}\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var rayMax: f32 = textureSampleLevel(maxTexture, clampSampler, input.tcoordVS, 0.0).r;\n var rayMin: f32 = textureSampleLevel(minTexture, clampSampler, input.tcoordVS, 0.0).r;\n\n // discard empty rays\n if (rayMax <= rayMin) { discard; }\n else\n {\n // compute start and end ray positions in view coordinates\n var minPosSC: vec4 = rendererUBO.PCSCMatrix*vec4(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMax, 1.0);\n minPosSC = minPosSC * (1.0 / minPosSC.w);\n var maxPosSC: vec4 = rendererUBO.PCSCMatrix*vec4(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMin, 1.0);\n maxPosSC = maxPosSC * (1.0 / maxPosSC.w);\n\n var rayLengthSC: f32 = distance(minPosSC.xyz, maxPosSC.xyz);\n var rayStepSC: vec4 = (maxPosSC - minPosSC)*(mapperUBO.SampleDistance/rayLengthSC);\n rayStepSC.w = 0.0;\n\n var computedColor: vec4;\n\n//VTK::Volume::Loop\n\n//VTK::RenderEncoder::Impl\n }\n\n return output;\n}\n",eS=new Float64Array(16),tS=new Float64Array(16);function nS(e,t){t.classHierarchy.push("vtkWebGPUVolumePassFSQ"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position");let o=r.getCode();o=ih.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4(vertexBC, 1.0);"]).result,r.setCode(o),t.getShaderDescription("fragment").addBuiltinInput("vec4","@builtin(position) fragPos")},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderVolume=(e,n,r)=>{const o=n.getShaderDescription("fragment");let a=o.getCode();const i=[],s=[];for(let e=0;e(\n sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n (1.0 - computedColor.a)*sampleColor.a + computedColor.a);")):(s.push(` sampleColor = traverseVals[${e}];`),s.push(" computedColor = vec4(\n sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n (1.0 - computedColor.a)*sampleColor.a + computedColor.a);"));a=ih.substitute(a,"//VTK::Volume::CompositeCalls",i).result,a=ih.substitute(a,"//VTK::Volume::TraverseCalls",s).result,a=ih.substitute(a,"//VTK::Volume::TraverseDec",[`var traverseVals: array,${t.volumes.length}>;`]).result;let l=!1;for(let e=0;e{let r=e.getMTime();for(let e=0;e{let r=Math.max(e.getMTime(),t.WebGPURenderer.getStabilizedTime());for(let e=0;e"),t.SSBO.addEntry("planeNormals","mat4x4"),t.SSBO.addEntry("shade","vec4"),t.SSBO.addEntry("tstep","vec4"),t.SSBO.addEntry("spacing","vec4"),t.SSBO.addEntry("ipScalarRange","vec4"),t.SSBO.setAllInstancesFromArray("SCTCMatrix",a),t.SSBO.setAllInstancesFromArray("planeNormals",i),t.SSBO.setAllInstancesFromArray("shade",l),t.SSBO.setAllInstancesFromArray("tstep",s),t.SSBO.setAllInstancesFromArray("spacing",c),t.SSBO.setAllInstancesFromArray("ipScalarRange",u),t.SSBO.send(n),t.componentSSBO.clearData(),t.componentSSBO.setNumberOfInstances(t.numRows);const d=new Float64Array(t.numRows),p=new Float64Array(t.numRows),f=new Float64Array(t.numRows),v=new Float64Array(t.numRows),y=new Float64Array(t.numRows),C=new Float64Array(t.numRows),S=new Float64Array(t.numRows),A=new Float64Array(t.numRows);let P=0;for(let e=0;e{n();let r=t.volumes[0].getRenderable().getMapper().getSampleDistance();for(let e=0;e{t.pipelineHash="volfsq";for(let e=0;e{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r{const e=r();return e.push(t.componentSSBO),e.push(t.clampSampler),e}}const rS={volumes:null,rowLength:1024,lastVolumeLength:0};function oS(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,rS,n),kh.extend(e,t,n),t.fragmentShaderTemplate=JC,t.UBO=Pv.newInstance({label:"mapperUBO"}),t.UBO.addEntry("SampleDistance","f32"),t.SSBO=bv.newInstance({label:"volumeSSBO"}),t.componentSSBO=bv.newInstance({label:"componentSSBO"}),t.lutBuildTime={},jt.obj(t.lutBuildTime,{mtime:0}),nS(e,t)}var aS={newInstance:jt.newInstance(oS,"vtkWebGPUVolumePassFSQ"),extend:oS};const{Representation:iS}=xs,{BufferUsage:sS,PrimitiveTypes:lS}=fv,cS=[[0,4,6],[0,6,2],[1,3,7],[1,7,5],[0,5,4],[0,1,5],[2,6,7],[2,7,3],[0,3,1],[0,2,3],[4,5,7],[4,7,6]],uS="\n//VTK::Renderer::Dec\n\n//VTK::Select::Dec\n\n//VTK::VolumePass::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output : fragmentOutput;\n\n //VTK::Select::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::VolumePass::Impl\n\n // use the maximum (closest) of the current value and the zbuffer\n // the blend func will then take the min to find the farthest stop value\n var stopval: f32 = max(input.fragPos.z, textureLoad(opaquePassDepthTexture, vec2(i32(input.fragPos.x), i32(input.fragPos.y)), 0));\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n";function dS(e,t){t.classHierarchy.push("vtkWebGPUVolumePass"),e.initialize=n=>{t._clearEncoder||e.createClearEncoder(n),t._mergeEncoder||e.createMergeEncoder(n),t._copyEncoder||e.createCopyEncoder(n),t._depthRangeEncoder||e.createDepthRangeEncoder(n),t.fullScreenQuad||(t.fullScreenQuad=aS.newInstance(),t.fullScreenQuad.setDevice(n.getDevice()),t.fullScreenQuad.setTextureViews([...t._depthRangeEncoder.getColorTextureViews()])),t._volumeCopyQuad||(t._volumeCopyQuad=kh.newInstance(),t._volumeCopyQuad.setPipelineHash("volpassfsq"),t._volumeCopyQuad.setDevice(n.getDevice()),t._volumeCopyQuad.setFragmentShaderTemplate("\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = textureSample(volumePassColorTexture,\n volumePassColorTextureSampler, mapperUBO.tscale*input.tcoordVS);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n"),t._copyUBO=Pv.newInstance({label:"mapperUBO"}),t._copyUBO.addEntry("tscale","vec2"),t._volumeCopyQuad.setUBO(t._copyUBO),t._volumeCopyQuad.setTextureViews([t._colorTextureView]))},e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r,e.initialize(r),e.computeTiming(r),e.renderDepthBounds(n,r),t._firstGroup=!0;const o=r.getDevice(),a=o.getHandle().limits.maxSampledTexturesPerShaderStage-4;if(t.volumes.length>a){const o=n.getRenderable().getActiveCamera().getPosition(),i=[];for(let e=0;ei[t]-i[e]));let l=[],c=s.length%a;for(let o=0;o=c&&(e.rayCastPass(r,n,l),l=[],c=a,t._firstGroup=!1)}else e.rayCastPass(r,n,t.volumes);if(t._volumeCopyQuad.setWebGPURenderer(n),t._useSmallViewport){const e=t._colorTextureView.getTexture().getWidth(),n=t._colorTextureView.getTexture().getHeight();t._copyUBO.setArray("tscale",[t._smallViewportWidth/e,t._smallViewportHeight/n])}else t._copyUBO.setArray("tscale",[1,1]);t._copyUBO.sendIfNeeded(o),t._copyEncoder.setColorTextureView(0,t.colorTextureView),t._copyEncoder.attachTextureViews(),t._copyEncoder.begin(r.getCommandEncoder()),n.scissorAndViewport(t._copyEncoder),t._volumeCopyQuad.prepareAndDraw(t._copyEncoder),t._copyEncoder.end()},e.delete=jt.chain((()=>{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.computeTiming=e=>{const n=e.getRenderable().getInteractor();if(null==t._lastScale){const e=t.volumes[0].getRenderable().getMapper();t._lastScale=e.getInitialInteractionScale()||1}t._useSmallViewport=!1,n.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._colorTexture.resize(e.getCanvas().width,e.getCanvas().height),t._animationRateSubscription||(t._animationRateSubscription=n.onAnimationFrameRateUpdate((()=>{const e=t.volumes[0].getRenderable().getMapper();if(e.getAutoAdjustSampleDistances()){const e=n.getRecentAnimationFrameRate(),r=t._lastScale*n.getDesiredUpdateRate()/e;t._lastScale=r,t._lastScale>400&&(t._lastScale=400)}else t._lastScale=e.getImageSampleDistance()*e.getImageSampleDistance();t._lastScale<1.5&&(t._lastScale=1.5)})))},e.rayCastPass=(e,n,r)=>{const o=t._firstGroup?t._clearEncoder:t._mergeEncoder;o.attachTextureViews(),o.begin(e.getCommandEncoder());let a=t._colorTextureView.getTexture().getWidth(),i=t._colorTextureView.getTexture().getHeight();if(t._useSmallViewport){const n=e.getCanvas(),r=1/Math.sqrt(t._lastScale);t._smallViewportWidth=Math.ceil(r*n.width),t._smallViewportHeight=Math.ceil(r*n.height),a=t._smallViewportWidth,i=t._smallViewportHeight}o.getHandle().setViewport(0,0,a,i,0,1),o.getHandle().setScissorRect(0,0,a,i),t.fullScreenQuad.setWebGPURenderer(n),t.fullScreenQuad.setVolumes(r),t.fullScreenQuad.prepareAndDraw(o),o.end()},e.renderDepthBounds=(n,r)=>{e.updateDepthPolyData(n);const o=t._boundsPoly,a=o.getPoints(),i=o.getPolys();let s={hash:`vp${i.getMTime()}`,usage:sS.Index,cells:i,numberOfPoints:a.getNumberOfPoints(),primitiveType:lS.Triangles,representation:iS.SURFACE};const l=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().setIndexBuffer(l),s={usage:sS.PointArray,format:"float32x4",hash:`vp${a.getMTime()}${i.getMTime()}`,dataArray:a,indexBuffer:l,packExtra:!0};const c=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().addBuffer(c,["vertexBC"]),t._mapper.setNumberOfVertices(c.getSizeInBytes()/c.getStrideInBytes()),e.drawDepthRange(n,r)},e.updateDepthPolyData=e=>{let n=!1;for(let e=0;e{t._depthRangeTexture.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeTexture2.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeEncoder.attachTextureViews(),e.setCurrentOperation("volumeDepthRangePass"),n.setRenderEncoder(t._depthRangeEncoder),n.volumeDepthRangePass(!0),t._mapper.setWebGPURenderer(n),t._mapper.prepareToDraw(t._depthRangeEncoder),t._mapper.registerDrawCallback(t._depthRangeEncoder),n.volumeDepthRangePass(!1)},e.createDepthRangeEncoder=e=>{const n=e.getDevice();t._depthRangeEncoder=HC.newInstance({label:"VolumePass DepthRange"}),t._depthRangeEncoder.setPipelineHash("volr"),t._depthRangeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor1"),t.addOutput("vec4","outColor2");let n=t.getCode();n=ih.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor1 = vec4(input.fragPos.z, 0.0, 0.0, 0.0);","output.outColor2 = vec4(stopval, 0.0, 0.0, 0.0);"]).result,t.setCode(n)})),t._depthRangeEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:null,clearValue:[1,1,1,1],loadOp:"clear",storeOp:"store"}]}),t._depthRangeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"max"},alpha:{srcfactor:"one",dstFactor:"one",operation:"max"}}},{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"min"},alpha:{srcfactor:"one",dstFactor:"one",operation:"min"}}}]}}),t._depthRangeTexture=Dy.newInstance({label:"volumePassMaxDepth"}),t._depthRangeTexture.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const r=t._depthRangeTexture.createView("maxTexture");t._depthRangeEncoder.setColorTextureView(0,r),t._depthRangeTexture2=Dy.newInstance({label:"volumePassDepthMin"}),t._depthRangeTexture2.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const o=t._depthRangeTexture2.createView("minTexture");t._depthRangeEncoder.setColorTextureView(1,o),t._mapper.setDevice(e.getDevice()),t._mapper.setTextureViews([t.depthTextureView])},e.createClearEncoder=e=>{t._colorTexture=Dy.newInstance({label:"volumePassColor"}),t._colorTexture.create(e.getDevice(),{width:e.getCanvas().width,height:e.getCanvas().height,format:"bgra8unorm",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC}),t._colorTextureView=t._colorTexture.createView("volumePassColorTexture"),t._colorTextureView.addSampler(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._clearEncoder=HC.newInstance({label:"VolumePass Clear"}),t._clearEncoder.setColorTextureView(0,t._colorTextureView),t._clearEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"}]}),t._clearEncoder.setPipelineHash("volpf"),t._clearEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createCopyEncoder=e=>{t._copyEncoder=HC.newInstance({label:"volumePassCopy"}),t._copyEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._copyEncoder.setPipelineHash("volcopypf"),t._copyEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createMergeEncoder=e=>{t._mergeEncoder=HC.newInstance({label:"volumePassMerge"}),t._mergeEncoder.setColorTextureView(0,t._colorTextureView),t._mergeEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._mergeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=ih.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t._mergeEncoder.setPipelineHash("volpf"),t._mergeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.setVolumes=n=>{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,pS,n),eC.extend(e,t,n),t._mapper=Dh.newInstance(),t._mapper.setFragmentShaderTemplate(uS),t._mapper.getShaderReplacements().set("replaceShaderVolumePass",((e,t,n)=>{t.getShaderDescription("fragment").addBuiltinInput("vec4","@builtin(position) fragPos")})),t._boundsPoly=Pu.newInstance(),t._lastMTimes=[],jt.setGet(e,t,["colorTextureView","depthTextureView"]),dS(e,t)}var gS={newInstance:jt.newInstance(fS,"vtkWebGPUVolumePass"),extend:fS};function mS(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e),t.opaquePass||(t.opaquePass=qC.newInstance());const o=n.getRenderable().getNumberOfLayers(),a=n.getChildren();for(let r=0;r0&&(t.translucentPass||(t.translucentPass=QC.newInstance()),t.translucentPass.setColorTextureView(t.opaquePass.getColorTextureView()),t.translucentPass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.translucentPass.traverse(i,n)),t.volumes.length>0&&(t.volumePass||(t.volumePass=gS.newInstance()),t.volumePass.setColorTextureView(t.opaquePass.getColorTextureView()),t.volumePass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.volumePass.setVolumes(t.volumes),t.volumePass.traverse(i,n)),e.finalPass(n,i))}},e.finalPass=(n,r)=>{t._finalBlitEncoder||e.createFinalBlitEncoder(n),t._finalBlitOutputTextureView.createFromTextureHandle(n.getCurrentTexture(),{depth:1,format:n.getPresentationFormat()}),t._finalBlitEncoder.attachTextureViews(),t._finalBlitEncoder.begin(n.getCommandEncoder()),r.scissorAndViewport(t._finalBlitEncoder),t._fullScreenQuad.prepareAndDraw(t._finalBlitEncoder),t._finalBlitEncoder.end()},e.createFinalBlitEncoder=e=>{t._finalBlitEncoder=HC.newInstance({label:"forwardPassBlit"}),t._finalBlitEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._finalBlitEncoder.setPipelineHash("fpf"),t._finalBlitEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:e.getPresentationFormat(),blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}}),t._fsqSampler=Ay.newInstance({label:"finalPassSampler"}),t._fsqSampler.create(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._fullScreenQuad=kh.newInstance(),t._fullScreenQuad.setDevice(e.getDevice()),t._fullScreenQuad.setPipelineHash("fpfsq"),t._fullScreenQuad.setTextureViews([t.opaquePass.getColorTextureView()]),t._fullScreenQuad.setAdditionalBindables([t._fsqSampler]),t._fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = clamp(textureSampleLevel(opaquePassColorTexture, finalPassSampler, input.tcoordVS, 0),vec4(0.0),vec4(1.0));\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n"),t._finalBlitOutputTextureView=Oy.newInstance(),t._finalBlitEncoder.setColorTextureView(0,t._finalBlitOutputTextureView)},e.incrementOpaqueActorCount=()=>t.opaqueActorCount++,e.incrementTranslucentActorCount=()=>t.translucentActorCount++,e.addVolume=e=>{t.volumes.push(e)}}const hS={opaqueActorCount:0,translucentActorCount:0,volumes:null,opaqueRenderEncoder:null,translucentPass:null,volumePass:null};function vS(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,hS,n),eC.extend(e,t,n),jt.setGet(e,t,["opaquePass","translucentPass","volumePass"]),mS(e,t)}var yS={newInstance:jt.newInstance(vS,"vtkForwardPass"),extend:vS};const{VtkDataTypes:bS}=Us;function xS(e,t){function n(e){if(e.imageData){e.dataArray=e.imageData.getPointData().getScalars(),e.time=e.dataArray.getMTime(),e.nativeArray=e.dataArray.getData();const t=e.imageData.getDimensions();switch(e.width=t[0],e.height=t[1],e.depth=t[2],e.dataArray.getNumberOfComponents()){case 1:e.format="r";break;case 2:e.format="rg";break;default:e.format="rgba"}switch(e.dataArray.getDataType()){case bS.UNSIGNED_CHAR:e.format+="8unorm";break;case bS.FLOAT:case bS.UNSIGNED_INT:case bS.INT:case bS.DOUBLE:case bS.UNSIGNED_SHORT:case bS.SHORT:default:e.format+="16float"}}e.image&&(e.width=e.image.width,e.height=e.image.height,e.depth=1,e.format="rgba8unorm"),e.jsImageData&&(e.width=e.jsImageData.width,e.height=e.jsImageData.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.nativeArray=e.jsImageData.data),e.canvas&&(e.width=e.canvas.width,e.height=e.canvas.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.usage=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.RENDER_ATTACHMENT)}function r(e){const n=Dy.newInstance();return n.create(t.device,{width:e.width,height:e.height,depth:e.depth,format:e.format,usage:e.usage,mipLevel:e.mipLevel}),(e.nativeArray||e.image||e.canvas)&&n.writeImageData(e),n}t.classHierarchy.push("vtkWebGPUTextureManager"),e.getTexture=e=>e.hash?t.device.getCachedObject(e.hash,r,e):r(e),e.getTextureForImageData=e=>{const r={time:e.getMTime()};return r.imageData=e,n(r),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)},e.getTextureForVTKTexture=e=>{const r={time:e.getMTime()};return e.getInputData()?r.imageData=e.getInputData():e.getImage()?r.image=e.getImage():e.getJsImageData()?r.jsImageData=e.getJsImageData():e.getCanvas()&&(r.canvas=e.getCanvas()),n(r),r.mipLevel=e.getMipLevel(),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)}}const TS={handle:null,device:null};function CS(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,TS,n),jt.obj(e,t),jt.setGet(e,t,["device"]),xS(e,t)}var SS={newInstance:jt.newInstance(CS),extend:CS};class AS extends Map{constructor(){super(),this.registry=new FinalizationRegistry((e=>{const t=super.get(e);t&&t.deref&&void 0===t.deref()&&super.delete(e)}))}getValue(e){const t=super.get(e);if(t){const n=t.deref();if(void 0!==n)return n;super.delete(e)}}setValue(e,t){let n;return t&&"object"==typeof t&&(n=new WeakRef(t),this.registry.register(t,e),super.set(e,n)),n}}function PS(e,t){t.classHierarchy.push("vtkWebGPUDevice"),e.initialize=e=>{t.handle=e},e.createCommandEncoder=()=>t.handle.createCommandEncoder(),e.submitCommandEncoder=e=>{t.handle.queue.submit([e.finish()])},e.getShaderModule=e=>t.shaderCache.getShaderModule(e),e.getBindGroupLayout=e=>{if(!e.entries)return null;for(let t=0;t{for(let n=0;ne in t.pipelines?t.pipelines[e]:null,e.createPipeline=(n,r)=>{r.initialize(e,n),t.pipelines[n]=r},e.onSubmittedWorkDone=()=>t.handle.queue.onSubmittedWorkDone(),e.hasCachedObject=e=>t.objectCache.getValue(e),e.getCachedObject=function(e,n){if(!e)return vtkErrorMacro("attempt to cache an object without a hash"),null;const r=t.objectCache.getValue(e);if(r)return r;for(var o=arguments.length,a=new Array(o>2?o-2:0),i=2;i2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,IS,n),yt(e,t),At(e,t,["handle"]),xt(e,t,["bufferManager","shaderCache","textureManager"]),t.objectCache=new AS,t.shaderCache=ih.newInstance(),t.shaderCache.setDevice(e),t.bindGroupLayouts=[],t.bufferManager=fv.newInstance(),t.bufferManager.setDevice(e),t.textureManager=SS.newInstance(),t.textureManager.setDevice(e),t.pipelines={},PS(e,t)}var OS={newInstance:Et(wS,"vtkWebGPUDevice"),extend:wS};function MS(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelectionPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=null,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getDevice();if(t.selectionRenderEncoder)t.colorTexture.resize(n.getCanvas().width,n.getCanvas().height),t.depthTexture.resizeToMatch(t.colorTexture);else{e.createRenderEncoder(),t.colorTexture=Dy.newInstance({label:"hardwareSelectorColor"}),t.colorTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"rgba32uint",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const r=t.colorTexture.createView("hardwareSelectColorTexture");t.selectionRenderEncoder.setColorTextureView(0,r),t.depthTexture=Dy.newInstance({label:"hardwareSelectorDepth"}),t.depthTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"depth32float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const a=t.depthTexture.createView("hardwareSelectDepthTexture");t.selectionRenderEncoder.setDepthTextureView(a)}t.selectionRenderEncoder.attachTextureViews(),r.setRenderEncoder(t.selectionRenderEncoder),e.setCurrentOperation("cameraPass"),r.traverse(e),e.setCurrentOperation("opaquePass"),r.traverse(e)},e.createRenderEncoder=()=>{t.selectionRenderEncoder=HC.newInstance({label:"HardwareSelectionPass"}),t.selectionRenderEncoder.setPipelineHash("sel"),t.selectionRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=ih.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(mapperUBO.PropID, compositeID, 0u, 0u);"]).result,t.setCode(n)})),t.selectionRenderEncoder.getDescription().colorAttachments[0].clearValue=[0,0,0,0],t.selectionRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba32uint",blend:void 0}]}})}}const RS={selectionRenderEncoder:null,colorTexture:null,depthTexture:null};function VS(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,RS,n),eC.extend(e,t,n),jt.get(e,t,["colorTexture","depthTexture"]),MS(e,t)}var ES={newInstance:jt.newInstance(VS,"vtkWebGPUHardwareSelectionPass"),extend:VS};const{SelectionContent:DS,SelectionField:LS}=sf,{FieldAssociations:BS}=gl,{vtkErrorMacro:NS}=jt;function kS(e){return`${e.propID} ${e.compositeID}`}function FS(e,t,n,r){const o=4*((n.height-t-1)*n.colorBufferWidth+e)+r;return n.colorValues[o]}function _S(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]<0||t[0]>=e.width||t[1]<0||t[1]>=e.height)return null;const n=FS(t[0],t[1],e,0);if(n<=0)return null;const o={};o.propID=n;let a=FS(t[0],t[1],e,1);if((a<0||a>16777215)&&(a=0),o.compositeID=a,e.captureZValues){const n=(e.height-t[1]-1)*e.zbufferBufferWidth+t[0];o.zValue=e.depthValues[n],o.zValue=e.webGPURenderer.convertToOpenGLDepth(o.zValue),o.displayPosition=t}return o}const a=[t[0],t[1]],i=[0,0];let s=_S(e,t,0,r);if(s)return s;for(let t=1;tt?a[1]-t:0;n<=a[1]+t;++n){if(i[1]=n,a[0]>=t&&(i[0]=a[0]-t,s=_S(e,i,0,r),s))return s;if(i[0]=a[0]+t,s=_S(e,i,0,r),s)return s}for(let n=a[0]>=t?a[0]-(t-1):0;n<=a[0]+(t-1);++n){if(i[0]=n,a[1]>=t&&(i[1]=a[1]-t,s=_S(e,i,0,r),s))return s;if(i[1]=a[1]+t,s=_S(e,i,0,r),s)return s}}return r[0]=t[0],r[1]=t[1],null}function GS(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelector"),e.endSelection=()=>{t.WebGPURenderer.setSelector(null)},e.getSourceDataAsync=async e=>{if(!e||!t._WebGPURenderWindow)return NS("Renderer and view must be set before calling Select."),!1;t._WebGPURenderWindow.getRenderable().preRender(),t._WebGPURenderWindow.getInitialized()||(t._WebGPURenderWindow.initialize(),await new Promise((e=>{t._WebGPURenderWindow.onInitialized(e)})));const n=t._WebGPURenderWindow.getViewNodeFor(e);if(!n)return!1;const r=n.getSuppressClear();n.setSuppressClear(!0),t._selectionPass.traverse(t._WebGPURenderWindow,n),n.setSuppressClear(r);const o=t._WebGPURenderWindow.getDevice(),a=t._selectionPass.getColorTexture(),i=t._selectionPass.getDepthTexture(),s={area:[0,0,a.getWidth()-1,a.getHeight()-1],captureZValues:t.captureZValues,fieldAssociation:t.fieldAssociation,renderer:e,webGPURenderer:n,webGPURenderWindow:t._WebGPURenderWindow,width:a.getWidth(),height:a.getHeight()};s.colorBufferWidth=16*Math.floor((s.width+15)/16),s.colorBufferSizeInBytes=s.colorBufferWidth*s.height*4*4;const l=zh.newInstance({label:"hardwareSelectColorBuffer"});l.setDevice(o),l.create(s.colorBufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST);const c=t._WebGPURenderWindow.getCommandEncoder();let u;c.copyTextureToBuffer({texture:a.getHandle()},{buffer:l.getHandle(),bytesPerRow:16*s.colorBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1}),t.captureZValues&&(s.zbufferBufferWidth=64*Math.floor((s.width+63)/64),u=zh.newInstance({label:"hardwareSelectDepthBuffer"}),u.setDevice(o),s.zbufferSizeInBytes=s.height*s.zbufferBufferWidth*4,u.create(s.zbufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST),c.copyTextureToBuffer({texture:i.getHandle(),aspect:"depth-only"},{buffer:u.getHandle(),bytesPerRow:4*s.zbufferBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1})),o.submitCommandEncoder(c);const d=l.mapAsync(GPUMapMode.READ);if(t.captureZValues){const e=u.mapAsync(GPUMapMode.READ);await Promise.all([d,e]),s.depthValues=new Float32Array(u.getMappedRange().slice()),u.unmap()}else await d;return s.colorValues=new Uint32Array(l.getMappedRange().slice()),l.unmap(),s.generateSelection=(e,t,n,r)=>function(e,t,n,r,o){const a=Math.floor(t),i=Math.floor(n),s=Math.floor(r),l=Math.floor(o),c=new Map,u=[0,0];for(let t=i;t<=l;t++)for(let n=a;n<=s;n++){const r=_S(e,[n,t],0,u);if(r){const t=kS(r);if(c.has(t)){const n=c.get(t);n.pixelCount++,e.captureZValues&&r.zValue{const i=sf.newInstance();switch(i.setContentType(DS.INDICES),e){case BS.FIELD_ASSOCIATION_CELLS:i.setFieldType(LS.CELL);break;case BS.FIELD_ASSOCIATION_POINTS:i.setFieldType(LS.POINT);break;default:NS("Unknown field association")}i.getProperties().propID=t.info.propID;const s=n.webGPURenderer.getPropFromID(t.info.propID);i.getProperties().prop=s.getRenderable(),i.getProperties().compositeID=t.info.compositeID,i.getProperties().pixelCount=t.pixelCount,n.captureZValues&&(i.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],i.getProperties().worldPosition=n.webGPURenderWindow.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,n.renderer)),i.setSelectionList(t.attributeIDs),r[o]=i,o++})),r}(e.fieldAssociation,c,e)}(s,e,t,n,r),s}}const US={};function WS(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,US,n),Qp.extend(e,t,n),t._selectionPass=ES.newInstance(),jt.setGet(e,t,["_WebGPURenderWindow"]),jt.moveToProtected(e,t,["WebGPURenderWindow"]),GS(e,t)}var zS={newInstance:jt.newInstance(WS,"vtkWebGPUHardwareSelector"),extend:WS};const{vtkErrorMacro:HS}=jt,jS={position:"absolute",top:0,left:0,width:"100%",height:"100%"};function KS(e,t){t.classHierarchy.push("vtkWebGPURenderWindow"),e.getViewNodeFactory=()=>t.myFactory;const n=[0,0];e.onModified((function(){t.renderable&&(t.size[0]===n[0]&&t.size[1]===n[1]||(n[0]=t.size[0],n[1]=t.size[1],t.canvas.setAttribute("width",t.size[0]),t.canvas.setAttribute("height",t.size[1]),e.recreateSwapChain())),t.viewStream&&t.viewStream.setSize(t.size[0],t.size[1]),t.canvas.style.display=t.useOffScreen?"none":"block",t.el&&(t.el.style.cursor=t.cursorVisibility?t.cursor:"none"),t.containerSize=null})),e.recreateSwapChain=()=>{t.context&&(t.context.unconfigure(),t.presentationFormat=navigator.gpu.getPreferredCanvasFormat(t.adapter),t.context.configure({device:t.device.getHandle(),format:t.presentationFormat,alphaMode:"premultiplied",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_DST,width:t.size[0],height:t.size[1]}),t._configured=!0)},e.getCurrentTexture=()=>t.context.getCurrentTexture(),e.buildPass=n=>{if(n){if(!t.renderable)return;e.prepareNodes(),e.addMissingNodes(t.renderable.getRenderersByReference()),e.removeUnusedNodes(),e.initialize()}else t.initialized&&(t._configured||e.recreateSwapChain(),t.commandEncoder=t.device.createCommandEncoder())},e.initialize=()=>{if(!t.initializing){if(t.initializing=!0,!navigator.gpu)return void HS("WebGPU is not enabled.");e.create3DContextAsync().then((()=>{t.initialized=!0,t.deleted||e.invokeInitialized()}))}},e.setContainer=n=>{t.el&&t.el!==n&&(t.canvas.parentNode!==t.el&&HS("Error: canvas parent node does not match container"),t.el.removeChild(t.canvas),t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)),t.el!==n&&(t.el=n,t.el&&(t.el.appendChild(t.canvas),t.useBackgroundImage&&t.el.appendChild(t.bgImage)),e.modified())},e.getContainer=()=>t.el,e.getContainerSize=()=>{if(!t.containerSize&&t.el){const{width:e,height:n}=t.el.getBoundingClientRect();t.containerSize=[e,n]}return t.containerSize||t.size},e.getFramebufferSize=()=>t.size,e.create3DContextAsync=async()=>{t.adapter=await navigator.gpu.requestAdapter({powerPreference:"high-performance"}),t.deleted||(t.device=OS.newInstance(),t.device.initialize(await t.adapter.requestDevice()),t.deleted?t.device=null:t.context=t.canvas.getContext("webgpu"))},e.releaseGraphicsResources=()=>{const n=eC.newInstance();n.setCurrentOperation("Release"),n.traverse(e,null),t.adapter=null,t.device=null,t.context=null,t.initialized=!1,t.initializing=!1},e.setBackgroundImage=e=>{t.bgImage.src=e.src},e.setUseBackgroundImage=e=>{t.useBackgroundImage=e,t.useBackgroundImage&&!t.el.contains(t.bgImage)?t.el.appendChild(t.bgImage):!t.useBackgroundImage&&t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)},e.captureNextImage=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"image/png",{resetCamera:r=!1,size:o=null,scale:a=1}=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(t.deleted)return null;t.imageFormat=n;const i=t.notifyStartCaptureImage;return t.notifyStartCaptureImage=!0,t._screenshot={size:o||1!==a?o||t.size.map((e=>e*a)):null},new Promise(((n,o)=>{const a=e.onImageReady((o=>{if(null===t._screenshot.size)t.notifyStartCaptureImage=i,a.unsubscribe(),t._screenshot.placeHolder&&(t.size=t._screenshot.originalSize,e.modified(),t._screenshot.cameras&&t._screenshot.cameras.forEach((e=>{let{restoreParamsFn:t,arg:n}=e;return t(n)})),e.traverseAllPasses(),t.el.removeChild(t._screenshot.placeHolder),t._screenshot.placeHolder.remove(),t._screenshot=null),n(o);else{const n=document.createElement("img");if(n.style=jS,n.src=o,t._screenshot.placeHolder=t.el.appendChild(n),t.canvas.style.display="none",t._screenshot.originalSize=t.size,t.size=t._screenshot.size,t._screenshot.size=null,e.modified(),r){const e=!0!==r;t._screenshot.cameras=t.renderable.getRenderers().map((t=>{const n=t.getActiveCamera(),o=n.get("focalPoint","position","parallelScale");return{resetCameraArgs:e?{renderer:t}:void 0,resetCameraFn:e?r:t.resetCamera,restoreParamsFn:n.set,arg:JSON.parse(JSON.stringify(o))}})),t._screenshot.cameras.forEach((e=>{let{resetCameraFn:t,resetCameraArgs:n}=e;return t(n)}))}e.traverseAllPasses()}}))}))},e.traverseAllPasses=()=>{if(!t.deleted)if(t.initialized){if(t.renderPasses)for(let n=0;n{!async function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:t.imageFormat;const r=document.createElement("canvas"),o=r.getContext("2d");r.width=t.canvas.width,r.height=t.canvas.height;const a=await e.getPixelsAsync(),i=new ImageData(a.colorValues,a.width,a.height);o.putImageData(i,0,0);const s=t.canvas.getBoundingClientRect(),l=t.renderable;l.getRenderers().forEach((e=>{e.getViewProps().forEach((e=>{if(e.getContainer){const t=e.getContainer().getElementsByTagName("canvas");for(let e=0;e{t.unsubscribe(),e.traverseAllPasses()}))}},e.setViewStream=n=>t.viewStream!==n&&(t.subscription&&(t.subscription.unsubscribe(),t.subscription=null),t.viewStream=n,t.viewStream&&(t.renderable.getRenderers()[0].getBackgroundByReference()[3]=0,e.setUseBackgroundImage(!0),t.subscription=t.viewStream.onImageReady((t=>e.setBackgroundImage(t.image))),t.viewStream.setSize(t.size[0],t.size[1]),t.viewStream.invalidateCache(),t.viewStream.render(),e.modified()),!0),e.getUniquePropID=()=>t.nextPropID++,e.getPropFromID=e=>{for(let n=0;n{const e=t.device,n=t.renderPasses[0].getOpaquePass().getColorTexture(),r={width:n.getWidth(),height:n.getHeight()};r.colorBufferWidth=32*Math.floor((r.width+31)/32),r.colorBufferSizeInBytes=r.colorBufferWidth*r.height*8;const o=zh.newInstance();o.setDevice(e),o.create(r.colorBufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST);const a=t.device.createCommandEncoder();a.copyTextureToBuffer({texture:n.getHandle()},{buffer:o.getHandle(),bytesPerRow:8*r.colorBufferWidth,rowsPerImage:r.height},{width:r.width,height:r.height,depthOrArrayLayers:1}),e.submitCommandEncoder(a);const i=o.mapAsync(GPUMapMode.READ);await i,r.colorValues=new Uint16Array(o.getMappedRange().slice()),o.unmap();const s=new Uint8ClampedArray(r.height*r.width*4);for(let e=0;e{const t=zS.newInstance();return t.setWebGPURenderWindow(e),t};const r=e.setSize;e.setSize=(t,n)=>{const o=r(t,n);return o&&e.invokeWindowResizeEvent({width:t,height:n}),o},e.delete=jt.chain(e.delete,e.setViewStream)}const $S={initialized:!1,context:null,adapter:null,device:null,canvas:null,cursorVisibility:!0,cursor:"pointer",containerSize:null,renderPasses:[],notifyStartCaptureImage:!1,imageFormat:"image/png",useOffScreen:!1,useBackgroundImage:!1,nextPropID:1,xrSupported:!1,presentationFormat:null};const qS=jt.newInstance((function(e,t){let n=arguments.length>2&&void 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CA(e,t){t.classHierarchy.push("vtkAbstractImageMapper"),e.getIsOpaque=()=>!0,e.getCurrentImage=()=>null,e.getBoundsForSlice=()=>(jt.vtkErrorMacro("vtkAbstractImageMapper.getBoundsForSlice - NOT IMPLEMENTED"),_a())}const SA={slice:0,customDisplayExtent:[0,0,0,0,0,0],useCustomExtents:!1,backgroundColor:[0,0,0,1]};var AA=function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,SA,n),$s(e,t,n),jt.setGet(e,t,["slice","useCustomExtents"]),jt.setGetArray(e,t,["customDisplayExtent"],6),jt.setGetArray(e,t,["backgroundColor"],4),CA(e,t)};function PA(e,t){t.classHierarchy.push("vtkPolyLine");const n=su.newInstance();n.getPoints().setNumberOfPoints(2),e.getCellDimension=()=>1,e.intersectWithLine=(r,o,a,i,s,l,c)=>{const u={intersect:0,t:Number.MAX_VALUE,subId:0,betweenPoints:null},d=e.getNumberOfPoints()-1;let p=Number.MAX_VALUE;for(let e=0;e=r&&f.t<=o){u.intersect=1;const 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n.evaluateOrientation(r,a,l,i)?{position:s,orientation:l}:{position:s}},e.getCenterlineTangentDirections=()=>{const n=e.getOrientedCenterline();if(t._centerlineTangentDirectionsTime.getMTime()Nn(new Array(3),t.tangentDirection,t.uniformOrientation),e.getDirectionMatrix=()=>{const e=t.tangentDirection,n=t.bitangentDirection,r=t.normalDirection;return new Float64Array([e[0],e[1],e[2],n[0],n[1],n[2],r[0],r[1],r[2]])},e.setDirectionMatrix=n=>!re(n,e.getDirectionMatrix())&&(t.tangentDirection=[n[0],n[1],n[2]],t.bitangentDirection=[n[3],n[4],n[5]],t.normalDirection=[n[6],n[7],n[8]],e.modified(),!0),e.preRenderCheck=()=>!!e.getInputData(0)||(MA("No image data input"),!1),e.useStraightenedMode=()=>{e.setCenterPoint(null),e.setUseUniformOrientation(!1),e.getOrientedCenterline().setDistanceFunction(Gn)},e.useStretchedMode=t=>{const n=e.getOrientedCenterline();if(t)e.setCenterPoint(t);else{const t=n.getPoints(),r=t.getNumberOfTuples()>0?t.getPoint(0):[0,0,0];e.setCenterPoint(r)}e.setUseUniformOrientation(!0),n.setDistanceFunction(((t,n)=>{const r=e.getUniformDirection(),o=wn([],t,n),a=function(e){var t=e[0],n=e[1],r=e[2];return t*t+n*n+r*r}(o),i=En(r,o);return Math.sqrt(a-i*i)}))},e.setCenterlineData=t=>e.setInputData(t,1),e.setCenterlineConnection=t=>e.setInputConnection(t,1),e.setImageData=t=>e.setInputData(t,0),e.setImageConnection=t=>e.setInputConnection(t,0),e.getIsOpaque=()=>!0,t._orientedCenterline=OA.newInstance(),e._resetOrientedCenterline()}const DA={width:10,uniformOrientation:[0,0,0,1],useUniformOrientation:!1,centerPoint:null,preferSizeOverAccuracy:!1,orientationArrayName:null,tangentDirection:[1,0,0],bitangentDirection:[0,1,0],normalDirection:[0,0,1]};function LA(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,DA,n),AA(e,t,n),jt.algo(e,t,2,0),t._centerlineTangentDirectionsTime={},jt.obj(t._centerlineTangentDirectionsTime,{mtime:0}),jt.setGet(e,t,["width","uniformOrientation","useUniformOrientation","centerPoint","preferSizeOverAccuracy","orientationArrayName","tangentDirection","bitangentDirection","normalDirection"]),Ql.implementCoincidentTopologyMethods(e,t),EA(e,t)}var BA={newInstance:jt.newInstance(LA,"vtkImageCPRMapper"),extend:LA,...RA,...VA};function NA(e,t,n){const r=n.getCurrentImage(),o=r.getExtent(),a=[o[0],o[2],o[4]],{ijkMode:i}=n.getClosestIJKAxis();let s=n.isA("vtkImageArrayMapper")?n.getSubSlice():n.getSlice();i!==n.getSlicingMode()&&(s=n.getSliceAtPosition(s)),a[i]+=s;const l=[0,0,0];r.indexToWorld(a,l),a[i]+=1;const c=[0,0,0];r.indexToWorld(a,c),c[0]-=l[0],c[1]-=l[1],c[2]-=l[2],Vn(c,c);const u=ri.intersectWithLine(e,t,l,c);if(u.intersection){const e=u.x,t=[0,0,0];return r.worldToIndex(e,t),{t:u.t,absoluteIJK:t}}return null}const{staticOffsetAPI:kA,otherStaticMethods:FA}=Ql,{SlicingMode:_A}=bg;function GA(e,t){function n(){let n;switch(t.slicingMode){case _A.X:n=0;break;case _A.Y:n=1;break;case _A.Z:n=2;break;default:return void(t.closestIJKAxis={ijkMode:t.slicingMode,flip:!1})}const r=Ga(e.getCurrentImage().getDirection());let o=0;for(;o<3&&0===r[n+3*o];++o);const a=r[n+3*o]<0;t.closestIJKAxis={ijkMode:o,flip:a}}t.classHierarchy.push("vtkImageMapper"),e.getSliceAtPosition=n=>{const r=e.getCurrentImage();let o;if(3===n.length)o=n;else if(Number.isFinite(n)){const e=r.getBounds();switch(t.slicingMode){case _A.X:o=[n,(e[3]+e[2])/2,(e[5]+e[4])/2];break;case _A.Y:o=[(e[1]+e[0])/2,n,(e[5]+e[4])/2];break;case _A.Z:o=[(e[1]+e[0])/2,(e[3]+e[2])/2,n]}}const a=[0,0,0];r.worldToIndex(o,a);const i=r.getExtent(),{ijkMode:s}=e.getClosestIJKAxis();let l=0;switch(s){case _A.I:l=Ea(a[0],i[0],i[1]);break;case _A.J:l=Ea(a[1],i[2],i[3]);break;case _A.K:l=Ea(a[2],i[4],i[5]);break;default:return 0}return l},e.setSliceFromCamera=n=>{const r=n.getFocalPoint();switch(t.slicingMode){case _A.I:case _A.J:case _A.K:{const t=e.getSliceAtPosition(r);e.setSlice(t)}break;case _A.X:e.setSlice(r[0]);break;case _A.Y:e.setSlice(r[1]);break;case _A.Z:e.setSlice(r[2])}},e.setXSlice=t=>{e.setSlicingMode(_A.X),e.setSlice(t)},e.setYSlice=t=>{e.setSlicingMode(_A.Y),e.setSlice(t)},e.setZSlice=t=>{e.setSlicingMode(_A.Z),e.setSlice(t)},e.setISlice=t=>{e.setSlicingMode(_A.I),e.setSlice(t)},e.setJSlice=t=>{e.setSlicingMode(_A.J),e.setSlice(t)},e.setKSlice=t=>{e.setSlicingMode(_A.K),e.setSlice(t)},e.getSlicingModeNormal=()=>{const n=[0,0,0],r=e.getCurrentImage().getDirection();switch(t.slicingMode){case _A.X:n[0]=1;break;case _A.Y:n[1]=1;break;case _A.Z:n[2]=1;break;case _A.I:aa(r,[1,0,0],n);break;case _A.J:aa(r,[0,1,0],n);break;case _A.K:aa(r,[0,0,1],n)}return n},e.setSlicingMode=r=>{t.slicingMode!==r&&(t.slicingMode=r,e.getCurrentImage()&&n(),e.modified())},e.getClosestIJKAxis=()=>(void 0!==t.closestIJKAxis&&t.closestIJKAxis.ijkMode!==_A.NONE||!e.getCurrentImage()||n(),t.closestIJKAxis),e.getBounds=()=>{const n=e.getCurrentImage();if(!n)return _a();if(!t.useCustomExtents)return n.getBounds();const r=t.customDisplayExtent.slice(),{ijkMode:o}=e.getClosestIJKAxis();let a=t.slice;switch(o!==t.slicingMode&&(a=e.getSliceAtPosition(t.slice)),o){case _A.I:r[0]=a,r[1]=a;break;case _A.J:r[2]=a,r[3]=a;break;case _A.K:r[4]=a,r[5]=a}return n.extentToBounds(r)},e.getBoundsForSlice=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:t.slice,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const o=e.getCurrentImage();if(!o)return _a();const a=o.getSpatialExtent(),{ijkMode:i}=e.getClosestIJKAxis();let s=n;switch(i!==t.slicingMode&&(s=e.getSliceAtPosition(n)),i){case _A.I:a[0]=s-r,a[1]=s+r;break;case _A.J:a[2]=s-r,a[3]=s+r;break;case _A.K:a[4]=s-r,a[5]=s+r}return o.extentToBounds(a)},e.intersectWithLineForPointPicking=(t,n)=>function(e,t,n){const r=NA(e,t,n);if(r){const e=n.getCurrentImage().getExtent(),t=[Math.round(r.absoluteIJK[0]),Math.round(r.absoluteIJK[1]),Math.round(r.absoluteIJK[2])];return t[0]e[1]||t[1]e[3]||t[2]e[5]?null:{t:r.t,ijk:t}}return null}(t,n,e),e.intersectWithLineForCellPicking=(t,n)=>function(e,t,n){const r=NA(e,t,n);if(r){const e=n.getCurrentImage().getExtent(),t=r.absoluteIJK,o=[Math.floor(t[0]),Math.floor(t[1]),Math.floor(t[2])];if(o[0]e[1]-1||o[1]e[3]-1||o[2](e[5]?e[5]-1:e[5]))return null;const a=[t[0]-o[0],t[1]-o[1],t[2]-o[2]];return{t:r.t,ijk:o,pCoords:a}}return null}(t,n,e),e.getCurrentImage=()=>e.getInputData()}const UA={slicingMode:_A.NONE,closestIJKAxis:{ijkMode:_A.NONE,flip:!1},renderToRectangle:!1,sliceAtFocalPoint:!1,preferSizeOverAccuracy:!1};function WA(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,UA,n),AA(e,t,n),jt.get(e,t,["slicingMode"]),jt.setGet(e,t,["closestIJKAxis","renderToRectangle","sliceAtFocalPoint","preferSizeOverAccuracy"]),Ql.implementCoincidentTopologyMethods(e,t),GA(e,t)}var zA={newInstance:jt.newInstance(WA,"vtkImageMapper"),extend:WA,...kA,...FA,...bg};const HA={CLAMP:0,REPEAT:1,MIRROR:2},jA={NEAREST:0,LINEAR:1,CUBIC:2};var KA={ImageBorderMode:HA,InterpolationMode:jA};const $A={pointer:null,extent:[0,-1,0,-1,0,-1],increments:[0,0,0],scalarType:null,dataTypeSize:1,numberOfComponents:1,borderMode:HA.CLAMP,interpolationMode:jA.LINEAR,extraInfo:null},qA={...$A,positions:[0,0,0],weights:null,weightExtent:[0,-1,0,-1,0,-1],kernelSize:[1,1,1],workspace:null,lastY:null,lastZ:null};function XA(e){const t=Math.floor(e);return{floored:t,error:e-t}}function YA(e){return Math.round(e)}function ZA(e,t,n){let r=e<=n?e:n;return r-=t,r=r>=0?r:0,r}function QA(e,t,n){const r=n-t+1;let o=e-t;return o%=r,o=o>=0?o:o+r,o}function JA(e,t,n){const r=n-t,o=2*r+(0===r?1:0);let a=e-t;return a=a>=0?a:-a,a%=o,a=a<=r?a:o-a,a}const{ImageBorderMode:eP}=KA;function tP(e,t){t.classHierarchy.push("vtkAbstractImageInterpolator"),e.initialize=n=>{e.releaseData(),t.scalars=n.getPointData().getScalars(),t.spacing=n.getSpacing(),t.origin=n.getOrigin(),t.extent=n.getExtent(),e.update()},e.releaseData=()=>{t.scalars=null},e.update=()=>{if(!t.scalars)return t.interpolationInfo.pointer=null,void(t.interpolationInfo.numberOfComponents=1);t.interpolationInfo.extent=t.extent.slice();const n=e.computeSupportSize(null),r=Math.max(Math.max(n[0],n[1]),n[2]),o=Number.MIN_SAFE_INTEGER+r/2,a=Number.MAX_SAFE_INTEGER-r/2;for(let e=0;e<3;++e){const n=Math.max(.5*(t.extent[2*e]===t.extent[2*e+1]),t.tolerance);t.structuredBounds[2*e]=Math.max(t.extent[2*e]-n,o),t.structuredBounds[2*e+1]=Math.min(t.extent[2*e+1]+n,a)}const i=t.extent[1]-t.extent[0]+1,s=t.extent[3]-t.extent[2]+1,l=t.scalars.getNumberOfComponents();t.interpolationInfo.increments[0]=l,t.interpolationInfo.increments[1]=t.interpolationInfo.increments[0]*i,t.interpolationInfo.increments[2]=t.interpolationInfo.increments[1]*s;let c=t.componentOffset;c=c>0?c:0,c=c{},e.interpolateXYZ=(n,r,o,a)=>{let i=t.outValue;const s=[n,r,o],l=[(s[0]-t.origin[0])/t.spacing[0],(s[1]-t.origin[1])/t.spacing[1],(s[2]-t.origin[2])/t.spacing[2]];if(e.checkBoundsIJK(l)){const n={...t.interpolationInfo},r=n.increments[0]-t.componentOffset,o=1;let s=a>0?a:0;s=s{const o=[(n[0]-t.origin[0])/t.spacing[0],(n[1]-t.origin[1])/t.spacing[1],(n[2]-t.origin[2])/t.spacing[2]];if(e.checkBoundsIJK(o))return e.interpolatePoint(t.interpolationInfo,o,r),!0;for(let e=0;e{const n=Math.min(Math.max(t.componentOffset,0),e-1),r=t.componentCount0?r:e-n},e.getNumberOfComponents=()=>t.interpolationInfo.numberOfComponents,e.interpolateIJK=(n,r)=>{e.interpolatePoint(t.interpolationInfo,n,r)},e.checkBoundsIJK=e=>!(e[0]t.structuredBounds[1]||e[1]t.structuredBounds[3]||e[2]t.structuredBounds[5]),e.computeSupportSize=null,e.isSeparable=null,e.precomputeWeightsForExtent=(e,t,n)=>{},e.FreePrecomputedWeights=e=>{},e.interpolatePoint=(e,t,n)=>{},e.interpolateRow=(e,t,n,r,o,a)=>{}}const nP={outValue:0,tolerance:Number.EPSILON,componentOffset:0,componentCount:-1,borderMode:eP.CLAMP,slidingWindow:!1,scalars:null,interpolationInfo:{...$A},interpolationFunc:null,rowInterpolationFunc:null,structuredBounds:[0,-1,0,-1,0,-1],spacing:null,origin:null,extent:null};function rP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,nP,n),jt.obj(e,t),jt.setGet(e,t,["outValue","tolerance","componentOffset","componentCount","borderMode","slidingWindow"]),jt.get(e,t,["origin","spacing"]),tP(e,t)}var oP={newInstance:jt.newInstance(rP,"vtkAbstractImageInterpolator"),extend:rP,...KA};function aP(e,t){t.classHierarchy.push("vtkImageInterpolator"),e.computeSupportSize=e=>{let n=1;t.interpolationMode===jA.LINEAR?n=2:t.interpolationMode===jA.CUBIC&&(n=4);const r=[n,n,n];if(null==e)return r;if(0!==e[12]||0!==e[13]||0!==e[14]||1!==e[15])return r;for(let t=0;t<3;++t){let n=!0;for(let r=0;r<3;++r)n=n&&Number.isInteger(e[4*t+r]);n&&(r[t]=1)}return r},e.internalUpdate=()=>{t.interpolationInfo.interpolationMode=t.interpolationMode},e.isSeparable=()=>!0,e.interpolateNearest=(e,t,n)=>{const r=e.extent,o=e.increments,a=e.numberOfComponents;let i=YA(t[0]),s=YA(t[1]),l=YA(t[2]);switch(e.borderMode){case HA.REPEAT:i=QA(i,r[0],r[1]),s=QA(s,r[2],r[3]),l=QA(l,r[4],r[5]);break;case HA.MIRROR:i=JA(i,r[0],r[1]),s=JA(s,r[2],r[3]),l=JA(l,r[4],r[5]);break;default:i=ZA(i,r[0],r[1]),s=ZA(s,r[2],r[3]),l=ZA(l,r[4],r[5])}const c=i*o[0]+s*o[1]+l*o[2];for(let t=0;t{const r=e.extent,o=e.increments,a=e.numberOfComponents,i=XA(t[0]),s=XA(t[1]),l=XA(t[2]);let c=i.floored,u=s.floored,d=l.floored;const p=i.error,f=s.error,g=l.error;let m=c+(0!==p),h=u+(0!==f),v=d+(0!==g);switch(e.borderMode){case HA.REPEAT:c=QA(c,r[0],r[1]),u=QA(u,r[2],r[3]),d=QA(d,r[4],r[5]),m=QA(m,r[0],r[1]),h=QA(h,r[2],r[3]),v=QA(v,r[4],r[5]);break;case HA.MIRROR:c=JA(c,r[0],r[1]),u=JA(u,r[2],r[3]),d=JA(d,r[4],r[5]),m=JA(m,r[0],r[1]),h=JA(h,r[2],r[3]),v=JA(v,r[4],r[5]);break;default:c=ZA(c,r[0],r[1]),u=ZA(u,r[2],r[3]),d=ZA(d,r[4],r[5]),m=ZA(m,r[0],r[1]),h=ZA(h,r[2],r[3]),v=ZA(v,r[4],r[5])}const y=c*o[0],b=m*o[0],x=u*o[1],T=h*o[1],C=d*o[2],S=v*o[2],A=x+C,P=x+S,I=T+C,w=T+S,O=1-p,M=1-f,R=1-g,V=M*R,E=f*R,D=M*g,L=f*g,B=e.pointer;for(let e=0;e{switch(t.interpolationMode){case jA.LINEAR:e.interpolateLinear(n,r,o);break;case jA.CUBIC:console.log("CUBIC not implemented");break;default:e.interpolateNearest(n,r,o)}},e.interpolateRowNearest=(e,t,n,r,o,a)=>{const i=e.positions[0].subarray(t),s=e.positions[1].subarray(n),l=e.positions[2].subarray(r),c=e.pointer.subarray(s[0]+l[0]),u=e.numberOfComponents;for(let e=0;e{const i=e.kernelSize[0],s=e.kernelSize[1],l=e.kernelSize[2],c=t*i,u=n*s,d=r*l,p=e.weights[0].subarray(c),f=e.weights[1].subarray(u),g=e.weights[2].subarray(d),m=e.positions[0].subarray(c),h=e.positions[1].subarray(u),v=e.positions[2].subarray(d),y=e.pointer,b=e.numberOfComponents,x=h.subarray(v[0]);let T=x,C=x,S=x,A=1,P=0,I=1,w=0;2===s&&(C=h[1].subarray(v[0]),S=C,A=f[0],P=f[1]),2===l&&(T=h[0].subarray(v[1]),S=T,I=g[0],w=g[1]),s+l===4&&(S=h[1].subarray(v[1]));const O=A*I,M=A*w,R=P*I,V=P*w;if(1===i)if(0===P&&0===w)for(let e=a;e>0;--e)for(let t=0;t0;--e)for(let t=0;t0;--e)for(let t=0;t0;--t){const n=p[0+2*e],r=p[1+2*e],i=m[0+2*e],s=m[1+2*e];for(let e=0;e0;--t){const t=p[0+2*e],n=p[1+2*e],r=m[0+2*e],a=m[1+2*e];for(let e=0;e{switch(t.interpolationMode){case jA.LINEAR:e.interpolateRowLinear(n,r,o,a,i,s);break;case jA.CUBIC:console.log("CUBIC not implemented");break;default:e.interpolateRowNearest(n,r,o,a,i,s)}},e.vtkTricubicInterpWeights=e=>{const t=e-1,n=.5*e,r=3*e;return[-n*t*t,((r-2)*n-1)*t,-((r-4)*e-1)*n,e*n*t]},e.precomputeWeightsForExtent=(n,r,o)=>{const a={...qA.newInstance(),...t.interpolationInfo};a.weightType="Float32Array";const i=a.interpolationMode;let s=!0;for(let l=0;l<3;++l){let c;for(c=0;c<3&&0===n[4*l+c];++c);o[2*l]=r[2*l],o[2*l+1]=r[2*l+1];const u=a.extent[2*c],d=a.extent[2*c+1],p=t.structuredBounds[2*c],f=t.structuredBounds[2*c+1];let g=1;g=i1)if(i===jA.LINEAR)v[g*t+1-y]=T[1]*S,b[g*t-y]=1-h,b[g*t+1-y]=h;else if(i===jA.CUBIC){const n=e.vtkTricubicInterpWeights(h);if(4===g)for(let e=0;e<4;e++)v[g*t+e-y]=T[e]*S,b[g*t+e-y]=n[e];else{const e=[0,0,0,0];for(let t=0;t<4;t++)e[T[t]-u]+=n[t];for(let n=0;n=p&&r<=f?0===x&&(x=1,o[2*l]=t):1===x&&(x=2,o[2*l+1]=t-1)}(0===x||o[2*l]>o[2*l+1])&&(s=!1)}if(!s)for(let e=0;e<3;e++)o[2*e]=r[2*e],o[2*e+1]=r[2*e]-1}}const iP={interpolationMode:jA.NEAREST};function sP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,iP,n),oP.extend(e,t,n),jt.setGet(e,t,["interpolationMode"]),aP(e,t)}var lP={newInstance:jt.newInstance(sP,"vtkImageInterpolator"),extend:sP};function cP(e,t){t.classHierarchy.push("vtkImagePointDataIterator"),e.initialize=(e,n,r,o)=>{const a=e.getExtent();let i=n;null==i&&(i=a);let s,l,c,u=!1;for(let e=0;e<6;e+=2)t.extent[e]=Math.max(i[e],a[e]),t.extent[e+1]=Math.min(i[e+1],a[e+1]),t.extent[e]>t.extent[e+1]&&(u=!0);if(t.rowIncrement=a[1]-a[0]+1,t.sliceIncrement=t.rowIncrement*(a[3]-a[2]+1),u){s=0,l=0,c=0,t.id=0,t.rowEndIncrement=0,t.sliceEndIncrement=0;for(let e=0;e<6;e+=2)t.extent[e]=a[e],t.extent[e+1]=a[e]-1}else s=t.extent[1]-t.extent[0]+1,l=t.extent[3]-t.extent[2]+1,c=t.extent[5]-t.extent[4]+1,t.id=t.extent[0]-a[0]+(t.extent[2]-a[2])*t.rowIncrement+(t.extent[4]-a[4])*t.sliceIncrement,t.rowEndIncrement=t.rowIncrement-s,t.sliceEndIncrement=t.rowEndIncrement+t.sliceIncrement-t.rowIncrement*l;if(t.spanEnd=t.id+s,t.rowEnd=t.id+s,t.sliceEnd=t.id+(t.rowIncrement*l-t.rowEndIncrement),t.end=t.id+(t.sliceIncrement*c-t.sliceEndIncrement),t.index[0]=t.extent[0],t.index[1]=t.extent[2],t.index[2]=t.extent[4],t.startY=t.index[1],r){t.hasStencil=!0,t.inStencil=!1,t.spanIndex=0;const e=r.getExtent();if(t.spanSliceIncrement=0,t.spanSliceEndIncrement=0,e[3]>=e[2]&&e[5]>=e[4]){t.spanSliceIncrement=e[3]-e[2]+1;const n=t.extent[2]-e[2];n>=0&&(t.spanSliceEndIncrement+=n);const r=e[3]-t.extent[3];r>=0&&(t.spanSliceEndIncrement+=r)}let n=0;const o=t.extent[2]-e[2];o<0?(t.extent[2]=e[2],n-=1):n+=o,e[3]<=t.extent[3]&&(t.extent[3]=e[3]);const a=t.extent[4]-e[4];a<0?(t.extent[4]=e[4],o>=0&&(n-=1+t.spanSliceEndIncrement)):n+=a*t.spanSliceIncrement,e[5]<=t.extent[5]&&(t.extent[5]=e[5]),t.extent[2]<=t.extent[3]&&t.extent[4]<=t.extent[5]?(t.spanCountPointer=r.extentListLengths.subarray(n),t.spanListPointer=r.extentLists.subarray(n),o>=0&&a>=0&&(t.inStencil=!0,t.setSpanState(t.extent[0]))):(t.spanCountPointer=null,t.spanListPointer=null,t.inStencil=!1)}else t.hasStencil=!1,t.inStencil=!0,t.spanSliceEndIncrement=0,t.spanSliceIncrement=0,t.spanIndex=0,t.spanCountPointer=null,t.spanListPointer=null;if(o){t.algorithm=o;const e=l*c;t.target=e/50+1,t.count=50*t.target-e/t.target*t.target+1}else t.algorithm=null,t.target=0,t.count=0},e.setSpanState=e=>{let n=!1;const r=t.spanListPointer,o=t.spanCountPointer[0];let a;for(a=0;ae);++a)n=!n;t.spanIndex=a,t.inStencil=n;let i=t.extent[1]+1;a{if(t.spanEnd===t.rowEnd){let n=1;if(t.spanEnd!==t.sliceEnd)t.id=t.rowEnd+t.rowEndIncrement,t.rowEnd+=t.rowIncrement,t.spanEnd=t.rowEnd,t.index[1]++;else{if(t.spanEnd===t.end)return void(t.id=t.end);t.id=t.sliceEnd+t.sliceEndIncrement,t.sliceEnd+=t.sliceIncrement,t.rowEnd=t.id+(t.rowIncrement-t.rowEndIncrement),t.spanEnd=t.rowEnd,t.index[1]=t.startY,t.index[2]++,n+=t.spanSliceEndIncrement}t.index[0]=t.extent[0],t.hasStencil&&(t.index[1]>=t.extent[2]&&t.index[1]<=t.extent[3]&&t.index[2]>=t.extent[4]&&t.index[2]<=t.extent[5]?(t.spanCountPointer=t.spanCountPointer.subarray(n),t.spanListPointer=t.spanListPointer.subarray(n),e.setSpanState(t.extent[0])):t.inStencil=!1),t.algorithm&&e.reportProgress()}else{t.id=t.spanEnd;const e=t.spanCountPointer[0];let n=t.extent[1]+1;if(t.index[0]=n,t.spanIndext.id===t.end,e.isInStencil=()=>t.inStencil,e.spanEndId=()=>t.spanEnd,e.reportProgress=()=>{},e.getArray=(e,t)=>e.getData().subarray(t*e.getNumberOfComponents()),e.getScalars=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;return e.getArray(t.getPointData().getScalars(),n)}}const uP={spanState:0,extent:[0,-1,0,-1,0,-1],end:0,spanEnd:0,rowEnd:0,sliceEnd:0,rowIncrement:0,rowEndIncrement:0,sliceIncrement:0,sliceEndIncrement:0,id:0,index:[0,0,0],startY:0,hasStencil:!1,inStencil:!0,spanIndex:0,spanSliceIncrement:0,spanSliceEndIncrement:0,spanCountPointer:null,spanListPointer:null,algorithm:null,target:0,count:0};function dP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uP,n),jt.obj(e,t),jt.get(e,t,["id","index"]),cP(e,t)}var pP={newInstance:jt.newInstance(dP,"vtkImagePointDataIterator"),extend:dP},fP={SlabMode:{MIN:0,MAX:1,MEAN:2,SUM:3}};const{SlabMode:gP}=fP,{vtkErrorMacro:mP}=jt;function hP(e,t){t.classHierarchy.push("vtkImageReslice");const n={...e},r=g(new Float64Array(16));let o=null;function a(e,t,n,r){const o=n-1;for(let n=0;n{let e=n.getMTime();return t.resliceTransform&&(e=Math.max(e,t.resliceTransform.getMTime())),e},e.setResliceAxes=n=>(t.resliceAxes||(t.resliceAxes=g(new Float64Array(16))),!ne(t.resliceAxes,n)&&(d(t.resliceAxes,n),e.modified(),!0)),e.requestData=(n,a)=>{const i=n[0];if(!i)return void mP("Invalid or missing input");const s=i.getOrigin(),l=i.getSpacing(),c=i.getDimensions(),u=i.getPointData().getScalars(),d=[0,c[0]-1,0,c[1]-1,0,c[2]-1],p=[0,0,0],f=[1,1,1],m=[0,0,0,0,0,0],v=[0,0,0],y=g(new Float64Array(16));t.resliceAxes&&b(y,y,t.resliceAxes);const x=new Float64Array(16);h(x,y);const T=[s[0]+.5*(d[0]+d[1])*l[0],s[1]+.5*(d[2]+d[3])*l[1],s[2]+.5*(d[4]+d[5])*l[2]];let C=null;t.autoCropOutput&&(C=e.getAutoCroppedOutputBounds(i));for(let e=0;e<3;e++){let n=0,r=0,o=0,a=0;if(t.transformInputSampling){let t=0;for(let i=0;i<3;i++){a+=x[4*i+e]*(T[i]-y[12+i]);const s=y[4*e+i]*y[4*e+i];n+=s*Math.abs(l[i]),r+=s*(d[2*i+1]-d[2*i])*Math.abs(l[i]),o+=s*d[2*i],t+=s}n/=t,r/=t*Math.sqrt(t),o/=t}else a=T[e],n=l[e],r=(d[2*e+1]-d[2*e])*n,o=d[2*e];null==t.outputSpacing?f[e]=n:f[e]=t.outputSpacing[e],e>=t.outputDimensionality?(m[2*e]=0,m[2*e+1]=0):null==t.outputExtent?(t.autoCropOutput&&(r=C[2*e+1]-C[2*e]),m[2*e]=Math.round(o),m[2*e+1]=Math.round(m[2*e]+Math.abs(r/f[e]))):(m[2*e]=t.outputExtent[2*e],m[2*e+1]=t.outputExtent[2*e+1]),e>=t.outputDimensionality?p[e]=0:null==t.outputOrigin?t.autoCropOutput?p[e]=C[2*e]-m[2*e]*f[e]:p[e]=a-.5*(m[2*e]+m[2*e+1])*f[e]:p[e]=t.outputOrigin[e],v[e]=m[2*e+1]-m[2*e]+1}let S=u.getDataType();t.outputScalarType&&(S=t.outputScalarType);const A=i.getPointData().getScalars().getNumberOfComponents(),P=jt.newTypedArray(S,v[0]*v[1]*v[2]*A),I=Us.newInstance({name:"Scalars",values:P,numberOfComponents:A}),w=Sl.newInstance();w.setDimensions(v),w.setOrigin(p),w.setSpacing(f),t.outputDirection&&w.setDirection(t.outputDirection),w.getPointData().setScalars(I),e.getIndexMatrix(i,w);let O=t.interpolationMode;t.usePermuteExecute=!1,t.optimization&&null==o&&1===t.slabSliceSpacingFraction&&t.interpolator.isSeparable()&&e.isPermutationMatrix(r)&&(t.usePermuteExecute=!0,e.canUseNearestNeighbor(r,m)&&(O=jA.NEAREST)),t.interpolator.setInterpolationMode(O);let M=HA.CLAMP;M=t.wrap?HA.REPEAT:M,M=t.mirror?HA.MIRROR:M,t.interpolator.setBorderMode(M);const R=762939453125e-17;let V=.5*t.border;V=M===HA.CLAMP?V:4294967294,V=V>R?V:R,t.interpolator.setTolerance(V),t.interpolator.initialize(i),e.vtkImageResliceExecute(i,w),t.interpolator.releaseData(),a[0]=w},e.vtkImageResliceExecute=(n,a)=>{const i=n.getPointData().getScalars(),s=a.getPointData().getScalars();let l=s.getData();const c=a.getExtent(),u=r,d=Math.max(t.slabNumberOfSlices,1),p=t.slabSliceSpacingFraction,f=e.isPerspectiveMatrix(u);let g=i.getData();const m=i.getDataType(),h=i.getNumberOfComponents(),v=t.interpolator.getComponentOffset(),y=t.interpolator.getBorderMode(),b=n.getDimensions(),x=[0,b[0]-1,0,b[1]-1,0,b[2]-1],T=[0,0,0];T[0]=i.getNumberOfComponents(),T[1]=T[0]*b[0],T[2]=T[1]*b[1];const C=b[0]*b[1]*b[2];v>0&&v+hjA.LINEAR||d>1&&t.slabMode===gP.SUM,B=e.getConversionFunc(m,I,t.scalarShift,t.scalarScale,L),N=e.getSetPixelsFunc(I,1,w,l),k=e.getCompositeFunc(t.slabMode,t.slabTrapezoidIntegration);let F=c[2]-1,_=c[4]-1;const G=[0,0,0,0],U=[0,0,0,0],W=pP.newInstance();W.initialize(a,c,t.stencil,null);const z=W.getScalars(a,0);let H=0;const j=jt.newTypedArray(I,Ui.getDiagonalLength(c)*w*2),K=new Float64Array(h*d),$=new Float64Array(h);for(;!W.isAtEnd();W.nextSpan()){const n=W.spanEndId()-W.getId();if(H=1*W.getId()*w,W.isInStencil()){const r=W.getIndex();r[2]>_&&(_=r[2],G[0]=V[0]+_*R[0],G[1]=V[1]+_*R[1],G[2]=V[2]+_*R[2],G[3]=V[3]+_*R[3],F=c[2]-1),r[1]>F&&(F=r[1],U[0]=G[0]+F*M[0],U[1]=G[1]+F*M[1],U[2]=G[2]+F*M[2],U[3]=G[3]+F*M[3]);const a=r[0],i=a+n-1;if(P){const e=g,t=l,n=1*T[0],r=1*T[1],o=1*T[2],s=x[1]-x[0]+1,c=x[3]-x[2]+1,u=x[5]-x[4]+1;let d=a,p=a-1,f=!1;const m=1*h;for(let t=a;t<=i;t++){const i=[U[0]+t*O[0],U[1]+t*O[1],U[2]+t*O[2]],l=YA(i[0])-x[0],g=YA(i[1])-x[2],h=YA(i[2])-x[4];if(l>=0&&l=0&&g=0&&h1){let e=n-.5*(d-1);e*=p,s[0]=i[0]+e*R[0],s[1]=i[1]+e*R[1],s[2]=i[2]+e*R[2],s[3]=i[3]+e*R[3],g=s}if(f){const e=1/g[3];g[0]*=e,g[1]*=e,g[2]*=e}if(null!==o){const n=t.interpolator.getOrigin(),r=t.interpolator.getSpacing(),a=[1/r[0],1/r[1],1/r[2]];e.applyTransform(o,g,n,a)}if(t.interpolator.checkBoundsIJK(g)){r=1,t.interpolator.interpolateIJK(g,$);for(let e=0;eh&&k(K,h,m/h);for(let e=0;ea?n:r}const g=l-1-(r!==n)-s+1;let m=0;n?(A&&e.rescaleScalars(E,h,i-a+1,t.scalarShift,t.scalarScale),m=B(j,E.subarray(s*h),w,g)):m=N(j,D,w,g);for(let e=0;e{const a=g(new Float64Array(16));return o=null,t.resliceAxes&&d(a,t.resliceAxes),t.resliceTransform&&(t.resliceTransform.isA("vtkHomogeneousTransform")?b(a,t.resliceTransform.getMatrix(),a):tt("Non homogeneous transform have not yet been ported")),b(a,a,n.getIndexToWorld()),null==o&&b(a,e.getWorldToIndex(),a),d(r,a),r},e.getAutoCroppedOutputBounds=e=>{const n=e.getOrigin(),r=e.getSpacing(),o=e.getDirection(),a=e.getDimensions(),i=[0,a[0]-1,0,a[1]-1,0,a[2]-1],s=new Float64Array(16);t.resliceAxes?h(s,t.resliceAxes):g(s);let l=null;t.resliceTransform&&(l=t.resliceTransform.getInverse());let c=null;za.isIdentity3x3(o)||(c=qf().translate(n[0],n[1],n[2]).multiply3x3(o).translate(-n[0],-n[1],-n[2]).invert().getMatrix());const u=[Number.MAX_VALUE,-Number.MAX_VALUE,Number.MAX_VALUE,-Number.MAX_VALUE,Number.MAX_VALUE,-Number.MAX_VALUE],d=[0,0,0,0];for(let e=0;e<8;++e){d[0]=n[0]+i[e%2]*r[0],d[1]=n[1]+i[2+Math.floor(e/2)%2]*r[1],d[2]=n[2]+i[4+Math.floor(e/4)%2]*r[2],d[3]=1,c&&zi(d,d,c),t.resliceTransform&&l.transformPoint(d,d),zi(d,d,s);const o=1/d[3];d[0]*=o,d[1]*=o,d[2]*=o;for(let e=0;e<3;++e)d[e]>u[2*e+1]&&(u[2*e+1]=d[e]),d[e]{switch(e){case"Int8Array":return{min:-128,max:127};case"Int16Array":return{min:-32768,max:32767};case"Uint16Array":return{min:0,max:65535};case"Int32Array":return{min:-2147483648,max:2147483647};case"Uint32Array":return{min:0,max:4294967295};case"Float32Array":case"Float64Array":return{min:-12e37,max:12e37};default:return{min:0,max:255}}},e.clamp=(e,t,n,r,o,a)=>{const i=r*n;for(let n=0;n{const o=r*n;for(let n=0;n{let i=a;if(n!==ws.FLOAT&&n!==ws.DOUBLE&&!a){const a=e.getDataTypeMinMax(t);let s=(a.min+r)*o,l=(a.max+r)*o;const c=e.getDataTypeMinMax(n),u=c.min,d=c.max;if(s>l){const e=l;l=s,s=e}i=sd}if(i&&n!==ws.FLOAT&&n!==ws.DOUBLE){const t=e.getDataTypeMinMax(n);return(n,r,o,a)=>e.clamp(n,r,o,a,t.min,t.max)}return e.convert},e.set=(e,t,n,r)=>{const o=n*r;for(let n=0;n(e.fill(t[0],0,r),r),e.getSetPixelsFunc=(t,n,r,o)=>1===r?e.set1:e.set,e.getCompositeFunc=(e,t)=>{let n=null;switch(e){case gP.MIN:n=s;break;case gP.MAX:n=l;break;case gP.MEAN:n=t?u:c;break;case gP.SUM:n=t?f:p}return n},e.applyTransform=(e,t,n,r)=>{t[3]=1,zi(t,t,e),t[0]-=n[0],t[1]-=n[1],t[2]-=n[2],t[0]*=r[0],t[1]*=r[1],t[2]*=r[2]},e.rescaleScalars=(e,t,n,r,o)=>{const a=n*t;for(let t=0;t{for(let t=0;t<3;t++)if(0!==e[4*t+3])return!1;if(1!==e[15])return!1;for(let t=0;t<3;t++){let n=0;for(let r=0;r<3;r++)0!==e[4*t+r]&&n++;if(1!==n)return!1}return!0},e.isIdentityMatrix=e=>{for(let t=0;t<4;++t)for(let n=0;n<4;++n)if((t===n?1:0)!==e[4*n+t])return!1;return!0},e.isPerspectiveMatrix=e=>0!==e[3]||0!==e[7]||0!==e[11]||1!==e[15],e.canUseNearestNeighbor=(e,t)=>{for(let n=0;n<3;n++){let r;for(r=0;r<3&&0===e[4*r+n];r++);if(r>=3)return!1;let o=e[4*r+n],a=e[12+n];t[2*r]===t[2*r+1]&&(a+=o*t[2*n],o=0);const i=XA(o).error,s=XA(a).error;if(0!==i||0!==s)return!1}return!0}}const vP={transformInputSampling:!0,autoCropOutput:!1,outputDimensionality:3,outputSpacing:null,outputOrigin:null,outputDirection:null,outputExtent:null,outputScalarType:null,wrap:!1,mirror:!1,border:!0,interpolationMode:jA.NEAREST,slabMode:gP.MIN,slabTrapezoidIntegration:!1,slabNumberOfSlices:1,slabSliceSpacingFraction:1,optimization:!1,scalarShift:0,scalarScale:1,backgroundColor:[0,0,0,0],resliceAxes:null,interpolator:lP.newInstance(),usePermuteExecute:!1};function yP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,vP,n),jt.obj(e,t),jt.algo(e,t,1,1),jt.setGet(e,t,["outputDimensionality","outputScalarType","scalarShift","scalarScale","transformInputSampling","autoCropOutput","wrap","mirror","border","interpolationMode","resliceTransform","slabMode","slabTrapezoidIntegration","slabNumberOfSlices","slabSliceSpacingFraction"]),jt.setGetArray(e,t,["outputOrigin","outputSpacing"],3),jt.setGetArray(e,t,["outputExtent"],6),jt.setGetArray(e,t,["outputDirection"],9),jt.setGetArray(e,t,["backgroundColor"],4),jt.get(e,t,["resliceAxes"]),hP(e,t)}var bP={newInstance:jt.newInstance(yP,"vtkImageReslice"),extend:yP,...fP};const{InterpolationType:xP}=pg,{vtkErrorMacro:TP}=jt;function CP(e,t){t.classHierarchy.push("vtkImageProperty"),e.getMTime=()=>{let e,n=t.mtime;for(let r=0;r<4;r++)t.componentData[r].rGBTransferFunction&&(e=t.componentData[r].rGBTransferFunction.getMTime(),n=n>e?n:e),t.componentData[r].piecewiseFunction&&(e=t.componentData[r].piecewiseFunction.getMTime(),n=n>e?n:e);return n},e.setRGBTransferFunction=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,o=n,a=r;return Number.isInteger(n)||(a=n,o=0),t.componentData[o].rGBTransferFunction!==a&&(t.componentData[o].rGBTransferFunction=a,e.modified(),!0)},e.getRGBTransferFunction=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return t.componentData[e].rGBTransferFunction},e.setPiecewiseFunction=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,o=n,a=r;return Number.isInteger(n)||(a=n,o=0),t.componentData[o].piecewiseFunction!==a&&(t.componentData[o].piecewiseFunction=a,e.modified(),!0)},e.getPiecewiseFunction=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return t.componentData[e].piecewiseFunction},e.setScalarOpacity=function(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,r=t,o=n;return Number.isInteger(t)||(o=t,r=0),e.setPiecewiseFunction(r,o)},e.getScalarOpacity=function(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return e.getPiecewiseFunction(t)},e.setComponentWeight=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;if(n<0||n>=4)return TP("Invalid index"),!1;const o=Math.min(1,Math.max(0,r));return t.componentData[n].componentWeight!==o&&(t.componentData[n].componentWeight=o,e.modified(),!0)},e.getComponentWeight=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return e<0||e>=4?(TP("Invalid index"),0):t.componentData[e].componentWeight},e.setInterpolationTypeToNearest=()=>e.setInterpolationType(xP.NEAREST),e.setInterpolationTypeToLinear=()=>e.setInterpolationType(xP.LINEAR),e.getInterpolationTypeAsString=()=>jt.enumToString(xP,t.interpolationType)}const SP={independentComponents:!1,interpolationType:xP.LINEAR,colorWindow:255,colorLevel:127.5,ambient:1,diffuse:0,opacity:1,useLookupTableScalarRange:!1,useLabelOutline:!1,labelOutlineThickness:[1],labelOutlineOpacity:1};function AP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};if(Object.assign(t,SP,n),jt.obj(e,t),!t.componentData){t.componentData=[];for(let e=0;e<4;e++)t.componentData.push({rGBTransferFunction:null,piecewiseFunction:null,componentWeight:1})}jt.setGet(e,t,["independentComponents","interpolationType","colorWindow","colorLevel","ambient","diffuse","opacity","useLookupTableScalarRange","useLabelOutline","labelOutlineOpacity"]),jt.setGetArray(e,t,["labelOutlineThickness"]),CP(e,t)}var PP={newInstance:jt.newInstance(AP,"vtkImageProperty"),extend:AP};const{vtkDebugMacro:IP}=jt;function wP(e,t){t.classHierarchy.push("vtkImageSlice"),e.getActors=()=>e,e.getImages=()=>e,e.getIsOpaque=()=>{if(t.forceOpaque)return!0;if(t.forceTranslucent)return!1;t.property||e.getProperty();let n=t.property.getOpacity()>=1;return n=n&&(!t.mapper||t.mapper.getIsOpaque()),n},e.hasTranslucentPolygonalGeometry=()=>!1,e.makeProperty=PP.newInstance,e.getProperty=()=>(null===t.property&&(t.property=e.makeProperty()),t.property),e.getBounds=()=>{if(null===t.mapper)return t.bounds;const n=t.mapper.getBounds();if(!n||6!==n.length)return n;if(n[0]>n[1])return t.mapperBounds=n.concat(),t.bounds=[1,-1,1,-1,1,-1],t.boundsMTime.modified(),n;if(!t.mapperBounds||!(r=[n,t.mapperBounds],r[0].map(((e,t)=>r.map((e=>e[t]))))).reduce(((e,t)=>e&&t[0]===t[1]),!0)||e.getMTime()>t.boundsMTime.getMTime()){IP("Recomputing bounds..."),t.mapperBounds=n.map((e=>e)),e.computeMatrix();const r=new Float64Array(16);m(r,t.matrix),Ui.transformBounds(n,r,t.bounds),t.boundsMTime.modified()}var r;return t.bounds},e.getBoundsForSlice=(n,r)=>{const o=t.mapper.getBoundsForSlice(n,r);if(!Ui.isValid(o))return o;e.computeMatrix();const a=new Float64Array(16);return m(a,t.matrix),Ui.transformBounds(o,a)},e.getMinXBound=()=>e.getBounds()[0],e.getMaxXBound=()=>e.getBounds()[1],e.getMinYBound=()=>e.getBounds()[2],e.getMaxYBound=()=>e.getBounds()[3],e.getMinZBound=()=>e.getBounds()[4],e.getMaxZBound=()=>e.getBounds()[5],e.getMTime=()=>{let e=t.mtime;if(null!==t.property){const n=t.property.getMTime();e=n>e?n:e}return e},e.getRedrawMTime=()=>{let e=t.mtime;if(null!==t.mapper){let 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BT.IS_WINDOW_LEVEL:e.windowLevel(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case BT.IS_SLICE:e.slice(o,r),e.invokeInteractionEvent({type:"InteractionEvent"})}e.superHandleMouseMove(n)},e.superHandleLeftButtonPress=e.handleLeftButtonPress,e.handleLeftButtonPress=n=>{const r=n.position;if(n.shiftKey||n.controlKey)"IMAGE3D"===t.interactionMode&&n.shiftKey?n.controlKey||n.altKey?e.startDolly():e.startRotate():"IMAGE_SLICING"===t.interactionMode&&n.controlKey?(t.lastSlicePosition=r.y,e.startSlice()):e.superHandleLeftButtonPress(n);else{t.windowLevelStartPosition[0]=r.x,t.windowLevelStartPosition[1]=r.y,e.setCurrentImageNumber(t.currentImageNumber);const n=t.currentImageProperty;n&&(t.windowLevelInitial[0]=n.getColorWindow(),t.windowLevelInitial[1]=n.getColorLevel()),e.startWindowLevel()}},e.superHandleLeftButtonRelease=e.handleLeftButtonRelease,e.handleLeftButtonRelease=()=>{switch(t.state){case BT.IS_WINDOW_LEVEL:e.endWindowLevel();break;case 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i=4*(t.windowLevelCurrentPosition[0]-t.windowLevelStartPosition[0])/n[0],s=4*(t.windowLevelStartPosition[1]-t.windowLevelCurrentPosition[1])/n[1];Math.abs(o)>.01?i*=o:i*=o<0?-.01:.01,Math.abs(a)>.01?s*=a:s*=a<0?-.01:.01,o<0&&(i*=-1),a<0&&(s*=-1);let l=i+o;const c=a-s;l<.01&&(l=.01),t.currentImageProperty.setColorWindow(l),t.currentImageProperty.setColorLevel(c)}},e.slice=(e,n)=>{const r=t._interactor,o=n.y-t.lastSlicePosition,a=e.getActiveCamera(),i=a.getClippingRange();let s=a.getDistance(),l=0;if(a.getParallelProjection())l=2*a.getParallelScale();else{const e=Eo(a.getViewAngle());l=2*s*Math.tan(.5*e)}s+=o*l/r.getView().getViewportSize(e)[1],si[1]&&(s=i[1]-.001*l),a.setDistance(s),t.lastSlicePosition=n.y},e.setCurrentImageNumber=n=>{if(null===n)return;const r=t._interactor.getCurrentRenderer();if(!r)return;t.currentImageNumber=n;const o=r.getViewProps().filter((e=>e.isA("vtkImageSlice")));let a=n;n<0&&(a+=o.length);const i=o.find(((e,t)=>function(e,t,n){return e===n&&t.getNestedPickable()}(t,e,a)));i&&e.setCurrentImageProperty(i.getProperty())},e.setCurrentImageProperty=e=>{t.currentImageProperty=e}}const EP={windowLevelStartPosition:[0,0],windowLevelCurrentPosition:[0,0],lastSlicePosition:0,windowLevelInitial:[1,.5],currentImageNumber:-1,interactionMode:"IMAGE2D",xViewRightVector:[0,1,0],xViewUpVector:[0,0,-1],yViewRightVector:[1,0,0],yViewUpVector:[0,0,-1],zViewRightVector:[1,0,0],zViewUpVector:[0,1,0]};function DP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,EP,n),$T.extend(e,t,n),jt.setGet(e,t,["interactionMode"]),jt.get(e,t,["currentImageProperty"]),VP(e,t)}var LP={newInstance:jt.newInstance(DP,"vtkInteractorStyleImage"),extend:DP};function BP(e,t,n,r,o,a){const i=a.displayToWorld(e,t,0,o),s=a.displayToWorld(e,t,1,o);return ri.intersectWithLine(i,s,n,r).x}function NP(e,t){t.classHierarchy.push("vtkPlaneManipulator"),e.handleEvent=(t,n)=>({worldCoords:BP(t.position.x,t.position.y,e.getOrigin(t),e.getNormal(t),t.pokedRenderer,n)})}function kP(e){return{...e}}function FP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Rx.extend(e,t,kP(n)),NP(e,t)}var _P={intersectDisplayWithPlane:BP,extend:FP,newInstance:jt.newInstance(FP,"vtkPlaneManipulator")};function GP(e,t){t.classHierarchy.push("vtkAbstractWidget"),t.actorToRepresentationMap=new WeakMap,e.getBounds=t.widgetState.getBounds,e.getNestedProps=()=>t.representations,e.activateHandle=n=>{let{selectedState:r,representation:o}=n;t.widgetState.activateOnly(r),t.activeState=r,r&&r.updateManipulator&&r.updateManipulator(),e.invokeActivateHandle({selectedState:r,representation:o}),e.updateCursor&&e.updateCursor()},e.deactivateAllHandles=()=>{t.widgetState.deactivate()},e.hasActor=e=>t.actorToRepresentationMap.has(e),e.grabFocus=()=>{t.hasFocus=!0},e.loseFocus=()=>{t.hasFocus=!1},e.hasFocus=()=>t.hasFocus,e.placeWidget=e=>t.widgetState.placeWidget(e),e.getPlaceFactor=()=>t.widgetState.getPlaceFactor(),e.setPlaceFactor=e=>t.widgetState.setPlaceFactor(e),e.getRepresentationFromActor=e=>t.actorToRepresentationMap.get(e),e.updateRepresentationForRender=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:lx.FRONT_BUFFER;for(let n=0;nt._factory.getViewWidgets(),e.setPriority(.5)}const UP={contextVisibility:!0,handleVisibility:!0,hasFocus:!1};function WP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,UP,n),is.extend(e,t,n),LT.extend(e,t,n),jt.setGet(e,t,["contextVisibility","handleVisibility","_widgetManager"]),jt.get(e,t,["representations","widgetState","activeState"]),jt.moveToProtected(e,t,["widgetManager"]),jt.event(e,t,"ActivateHandle"),GP(e,t)}var zP={newInstance:jt.newInstance(WP,"vtkAbstractWidget"),extend:WP};const{ViewTypes:HP,RenderingTypes:jP,CaptureOn:KP}=cx,{vtkErrorMacro:$P}=jt;let qP=1;function XP(e){const t=e.getActiveCamera(),n=e.getRenderWindow(),r=n.getInteractor(),o=r.getView();return{renderer:e,renderWindow:n,interactor:r,apiSpecificRenderWindow:o,camera:t}}function YP(e,t){const{dispHeightFactor:n,cameraPosition:r,cameraDir:o,isParallel:a,rendererPixelDims:i}=t;let s=1;if(a)s=n;else{const t=[...e];za.subtract(t,r,t),s=za.dot(t,o)*n}return s/i[1]}function ZP(e,t){t.viewId||(t.viewId="view-"+qP++),t.classHierarchy.push("vtkWidgetManager");const n=new WeakMap,r=[];function o(e){return e&&(e.isA("vtkAbstractWidget")?e:e.getWidgetForView({viewId:t.viewId}))}function a(){const{_apiSpecificRenderWindow:e,_camera:n,_renderer:r}=t;if(r&&e&&n){const[o,a]=e.getSize(),[i,s,l,c]=r.getViewport(),u=e.getComputedDevicePixelRatio(),d=[o*(l-i)/u,a*(c-s)/u],p=n.getPosition(),f=n.getDirectionOfProjection(),g=n.getParallelProjection(),m=g?2*n.getParallelScale():2*Math.tan(za.radiansFromDegrees(n.getViewAngle())/2);t.widgets.forEach((e=>{e.getNestedProps().forEach((e=>{e.getScaleInPixels()&&e.setDisplayScaleParams({dispHeightFactor:m,cameraPosition:p,cameraDir:f,isParallel:g,rendererPixelDims:d})}))}))}}async function i(n,r,o){const{position:a}=n,{requestCount:i,selectedState:s,representation:l,widget:c}=await e.getSelectedDataForXY(a.x,a.y);if(i||o!==t._currentUpdateSelectionCallID)return;function u(e){r&&t._interactor.invokeLeftButtonRelease(n),e.activateHandle({selectedState:s,representation:l}),r&&t._interactor.invokeLeftButtonPress(n)}t._apiSpecificRenderWindow.setCursor(c?"pointer":"default"),t.activeWidget=null;let d=!1;if(t.widgetInFocus===c&&c.hasFocus())u(c),t.activeWidget=c,d=!0;else for(let e=0;e1&&void 0!==arguments[1]&&arguments[1];if(!t.isAnimating&&t.pickingEnabled&&e.pokedRenderer===t._renderer){const r=Symbol("UpdateSelection");t._currentUpdateSelectionCallID=r,await i(e,n,r)}};function l(e){e.updateRepresentationForRender(t.renderingType)}function c(){t.renderingType=jP.FRONT_BUFFER,t.widgets.forEach(l)}async function u(e,n,r,o){t._captureInProgress?await t._captureInProgress:(t.renderingType=jP.PICKING_BUFFER,t.widgets.forEach(l),t._capturedBuffers=null,t._captureInProgress=t._selector.getSourceDataAsync(t._renderer,e,n,r,o),t._capturedBuffers=await t._captureInProgress,t._captureInProgress=null,t.previousSelectedData=null,c())}function d(e){t._renderer.removeActor(e),e.delete()}function p(){t._renderer.getRenderWindow().getInteractor().render(),e.renderWidgets()}e.enablePicking=()=>{t.pickingEnabled=!0,e.renderWidgets()},e.renderWidgets=()=>{if(t.pickingEnabled&&t.captureOn===KP.MOUSE_RELEASE){const[e,n]=t._apiSpecificRenderWindow.getSize();u(0,0,e,n)}c(),e.modified()},e.disablePicking=()=>{t.pickingEnabled=!1},e.setRenderer=n=>{const o=XP(n);for(Object.assign(t,o),jt.moveToProtected({},t,Object.keys(o));r.length;)r.pop().unsubscribe();t._selector=t._apiSpecificRenderWindow.createSelector(),t._selector.setFieldAssociation(ll.FIELD_ASSOCIATION_POINTS),r.push(t._apiSpecificRenderWindow.onWindowResizeEvent(a)),r.push(t._camera.onModified(a)),a(),r.push(t._interactor.onStartAnimation((()=>{t.isAnimating=!0}))),r.push(t._interactor.onEndAnimation((()=>{t.isAnimating=!1,e.renderWidgets()}))),r.push(t._interactor.onMouseMove((e=>(s(e),jt.VOID)))),r.push(t._interactor.onLeftButtonPress((e=>{const{deviceType:t}=e,n="touch"===t||"pen"===t;return n&&s(e,n),jt.VOID}),.25)),e.modified(),t.pickingEnabled&&e.enablePicking()},e.addWidget=(r,o,i)=>{if(!t._renderer)return $P("Widget manager MUST BE link to a view before registering widgets"),null;const{viewId:s,_renderer:l}=t,c=r.getWidgetForView({viewId:s,renderer:l,viewType:o||HP.DEFAULT,initialValues:i});return null!=c&&-1===t.widgets.indexOf(c)&&(t.widgets.push(c),(u=c).setWidgetManager(e),function(e){const t=e.getRepresentations();for(let r=0;r{t.widgets.forEach(d),t.widgets=[],t.widgetInFocus=null,p()},e.removeWidget=n=>{const r=o(n),a=t.widgets.indexOf(r);-1!==a&&(t.widgets.splice(a,1),t.widgetInFocus===r&&e.releaseFocus(),d(r),p())},e.getSelectedDataForXY=async(n,r)=>{if(t.selections=null,t.pickingEnabled){if(t._capturedBuffers&&t.captureOn!==KP.MOUSE_MOVE){const e=t._capturedBuffers.area;(ne[2]||re[3])&&await u(n,r,n,r)}else await u(n,r,n,r);t.selections=t._capturedBuffers.generateSelection(n,r,n,r)}return e.getSelectedData()},e.getSelectedData=()=>{if(!t.selections||!t.selections.length)return t.previousSelectedData=null,{};const{propID:e,compositeID:r,prop:o}=t.selections[0].getProperties();let{widget:a,representation:i}=t.selections[0].getProperties();if(t.previousSelectedData&&t.previousSelectedData.prop===o&&t.previousSelectedData.widget===a&&t.previousSelectedData.compositeID===r)return t.previousSelectedData.requestCount++,t.previousSelectedData;if(n.has(o)){const e=n.get(o);a=e.widget,i=e.representation}if(a&&i){const n=i.getSelectedState(o,r);return t.previousSelectedData={requestCount:0,propID:e,compositeID:r,prop:o,widget:a,representation:i,selectedState:n},t.previousSelectedData}return t.previousSelectedData=null,{}},e.grabFocus=e=>{const n=o(e);t.widgetInFocus&&t.widgetInFocus!==n&&t.widgetInFocus.loseFocus(),t.widgetInFocus=n,t.widgetInFocus&&t.widgetInFocus.grabFocus()},e.releaseFocus=()=>e.grabFocus(null);const f=e.delete;e.delete=()=>{for(;r.length;)r.pop().unsubscribe();f()}}const QP={viewId:null,widgets:[],activeWidget:null,renderer:null,viewType:HP.DEFAULT,isAnimating:!1,pickingEnabled:!0,selections:null,previousSelectedData:null,widgetInFocus:null,captureOn:KP.MOUSE_MOVE};function JP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,QP,n),jt.obj(e,t),jt.setGet(e,t,["captureOn",{type:"enum",name:"viewType",enum:HP}]),jt.get(e,t,["selections","widgets","viewId","pickingEnabled","activeWidget"]),ZP(e,t)}var eI={newInstance:jt.newInstance(JP,"vtkWidgetManager"),extend:JP,Constants:cx,getPixelWorldHeightAtCoord:YP};function tI(){}function nI(e,t){t.classHierarchy.push("vtkAbstractWidgetFactory");const n={};e.getWidgetForView=r=>{let{viewId:o,renderer:a,viewType:i,initialValues:s}=r;if(!n[o]){if(!a)return null;const{interactor:r,apiSpecificRenderWindow:l,camera:c}=XP(a),u={},d={};jt.obj(d,u),Object.assign(d,{onWidgetChange:e.onWidgetChange}),Object.assign(u,{widgetState:t.widgetState,manipulator:t.manipulator,viewType:i,renderer:a,camera:c,apiSpecificRenderWindow:l,factory:e}),jt.moveToProtected(d,u,["renderer","camera","apiSpecificRenderWindow","factory"]),jt.get(d,u,["viewType"]),jt.safeArrays(u),zP.extend(d,u,s);const p=s;u.representations=e.getRepresentationsForViewType(i).map((e=>{let{builder:t,labels:n,initialValues:r}=e;return t.newInstance({_parentProp:d,labels:n,...r,...p})})),u.representations.forEach((e=>{e.setInputData(u.widgetState),e.getActors().forEach((t=>{u.actorToRepresentationMap.set(t,e)}))})),t.behavior(d,u),["coincidentTopologyParameters",...t.methodsToLink||[]].forEach((e=>{const t=`set${jt.capitalize(e)}`,n=`get${jt.capitalize(e)}`,r={[e]:[],[t]:[],[n]:[]};u.representations.forEach((o=>{o[e]&&r[e].push(o[e]),o[t]&&r[t].push(o[t]),o[n]&&r[n].push(o[n])})),Object.keys(r).forEach((e=>{const t=r[e];1===t.length?d[e]=t[0]:t.length>1&&(d[e]=jt.chain(...t))}))})),d.delete=jt.chain((()=>{delete n[o]}),d.delete),d.setInteractor(r);const f=Object.freeze(d);return n[o]=f,f}return n[o]},e.getViewIds=()=>Object.keys(n),e.getViewWidgets=()=>Object.values(n),e.setVisibility=e=>{const t=Object.keys(n);for(let r=0;r{const t=Object.keys(n);for(let r=0;r{const t=Object.keys(n);for(let r=0;r{const t=Object.keys(n);for(let r=0;r{const t=Object.keys(n);for(let r=0;rt.widgetState.placeWidget(e),e.getPlaceFactor=()=>t.widgetState.getPlaceFactor(),e.setPlaceFactor=e=>t.widgetState.setPlaceFactor(e);let r=tI;e.delete=jt.chain(e.delete,(()=>r())),t.widgetState&&(r=t.widgetState.onModified((()=>e.invokeWidgetChange(t.widgetState))).unsubscribe)}function rI(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,n),jt.obj(e,t),jt.get(e,t,["widgetState"]),jt.event(e,t,"WidgetChange"),nI(e,t)}var oI={newInstance:jt.newInstance(rI,"vtkAbstractWidget"),extend:rI};const{vtkWarningMacro:aI}=jt;function iI(e,t){t.classHierarchy.push("vtkPlaneSource"),e.requestData=(n,r)=>{if(t.deleted)return;const o=r[0],a=o?o.getPoints().getDataType():t.pointType,i=Pu.newInstance(),s=[],l=[];if(jo(t.point1,t.origin,s),jo(t.point2,t.origin,l),!e.updatePlane(s,l))return void aI("Bad plane definition");const c=t.xResolution,u=t.yResolution,d=(c+1)*(u+1),p=c*u,f=jt.newTypedArray(a,3*d);i.getPoints().setData(f,3);const g=new Uint32Array(5*p);i.getPolys().setData(g,1);const m=new Float32Array(3*d),h=Us.newInstance({numberOfComponents:3,values:m,name:"Normals"});i.getPointData().setNormals(h);const v=new Float32Array(2*d),y=Us.newInstance({numberOfComponents:2,values:v,name:"TextureCoordinates"});i.getPointData().setTCoords(y);const b=new 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n,r=!1;jt.setGet(e,t,["keepOrthogonality",{type:"object",name:"cursorStyles"}]),e.setCursorStyles({[mx]:"move",[gx]:"alias",[fx]:"pointer",default:"default"}),e.setEnableTranslation=e=>{t.representations[0].setPickable(e),t.representations[2].setPickable(e)},e.setEnableRotation=e=>{t.representations[1].setPickable(e)},e.getActiveInteraction=()=>t.widgetState.getStatesWithLabel("rotation").includes(t.activeState)?gx:t.widgetState.getStatesWithLabel("line").includes(t.activeState)?fx:t.widgetState.getStatesWithLabel("center").includes(t.activeState)?mx:null,e.getActiveLineName=()=>function(e){return Sx(Object.keys(e.getPlanes()).map((e=>yx[e])))}(t.widgetState).find((e=>t.widgetState.getStatesWithLabel(e).includes(t.activeState))),e.getActiveLineHandle=()=>t.widgetState[`getAxis${e.getActiveLineName()}`]?.(),e.getOtherLineHandle=e=>t.widgetState[`getAxis${Ax(t.widgetState,e)}`]?.(),e.getActiveRotationPointName=()=>t.widgetState.getStatesWithLabel("point0").includes(t.activeState)?"point0":t.widgetState.getStatesWithLabel("point1").includes(t.activeState)?"point1":null,e.startScrolling=t=>{t&&(n=t),r=!0,e.startInteraction()},e.endScrolling=()=>{r=!1,e.endInteraction()},e.updateCursor=()=>{const n=e.getCursorStyles();if(n)switch(e.getActiveInteraction()){case mx:t._apiSpecificRenderWindow.setCursor(n.translateCenter);break;case gx:t._apiSpecificRenderWindow.setCursor(n.rotateLine);break;case fx:t._apiSpecificRenderWindow.setCursor(n.translateAxis);break;default:t._apiSpecificRenderWindow.setCursor(n.default)}},e.handleLeftButtonPress=r=>{if(t.activeState&&t.activeState.getActive()){t._isDragging=!0;const o=t.viewType,a=t.widgetState.getPlanes()[o].normal,i=t.activeState?.getManipulator?.()??t.manipulator;i.setWidgetOrigin(t.widgetState.getCenter()),i.setWidgetNormal(a);const{worldCoords:s}=i.handleEvent(r,t._apiSpecificRenderWindow);n=s,e.startInteraction()}else{if(t.widgetState.getScrollingMethod()!==dx)return jt.VOID;e.startScrolling(r.position)}return jt.EVENT_ABORT},e.handleMouseMove=o=>{if(t._isDragging)return e.handleEvent(o);if(r&&n.y!==o.position.y){const t=n.y-o.position.y;e.translateCenterOnPlaneDirection(t),n=o.position,e.invokeInternalInteractionEvent()}return jt.VOID},e.handleLeftButtonRelease=()=>{(t._isDragging||r)&&e.endScrolling(),t._isDragging=!1,t.widgetState.deactivate()},e.handleRightButtonPress=n=>{t.widgetState.getScrollingMethod()===px&&e.startScrolling(n.position)},e.handleRightButtonRelease=()=>{t.widgetState.getScrollingMethod()===px&&e.endScrolling()},e.handleStartMouseWheel=()=>{e.startInteraction()},e.handleMouseWheel=t=>{const n=t.spinY;return r=!0,e.translateCenterOnPlaneDirection(n),e.invokeInternalInteractionEvent(),r=!1,jt.EVENT_ABORT},e.handleEndMouseWheel=()=>{e.endScrolling()},e.handleMiddleButtonPress=n=>{t.widgetState.getScrollingMethod()===ux&&e.startScrolling(n.position)},e.handleMiddleButtonRelease=()=>{t.widgetState.getScrollingMethod()===ux&&e.endScrolling()},e.handleEvent=n=>t.activeState.getActive()?(e[e.getActiveInteraction()](n),e.invokeInternalInteractionEvent(),jt.EVENT_ABORT):jt.VOID,e.invokeInternalInteractionEvent=()=>{const t=e.getActiveInteraction(),n=t!==gx,r=t===gx;e.invokeInteractionEvent({computeFocalPointOffset:n,canUpdateFocalPoint:r})},e.startInteraction=()=>{e.invokeStartInteractionEvent(),e.getViewWidgets().forEach((t=>{t.getInteractor().requestAnimation(e)}))},e.endInteraction=()=>{e.invokeEndInteractionEvent(),e.getViewWidgets().forEach((t=>{t.getInteractor().cancelAnimation(e)}))},e.translateCenterOnPlaneDirection=n=>{const r=t.widgetState.getPlanes()[t.viewType].normal,o=t.widgetState.getCenter(),a=t.widgetState.getImage().getSpacing(),i=r.map((e=>Math.abs(e))),s=i.indexOf(Math.max(...i)),l=n*a[s]/Math.abs(r[s]);let c=[o[0]+l*r[0],o[1]+l*r[1],o[2]+l*r[2]];c=e.getBoundedCenter(c),t.widgetState.setCenter(c),Ix(t.widgetState,t._factory.getScaleInPixels(),t._factory.getRotationHandlePosition())},e[fx]=r=>{const o=e.getActiveLineHandle(),a=e.getActiveLineName(),i=Ho(o.getOrigin(),o.getDirection(),[]),s=o.getDirection();Qo(s);const l=e.getOtherLineHandle(a),c=t.widgetState.getCenter(),u=t.activeState?.getManipulator?.()??t.manipulator;let d=null,p=[];if(t.activeState?.getManipulator?.())d=u.handleEvent(r,t._apiSpecificRenderWindow).worldCoords,Ho(c,jo(d,n,[]),p);else if(l){const e=l.getDirection();Qo(e);const n=e,a=Xo(s,e);1!==a&&-1!==a||Yo(s,u.getWidgetNormal(),n);const f=[];d=u.handleEvent(r,t._apiSpecificRenderWindow).worldCoords,su.distanceToLine(d,o.getOrigin(),i,f),p=qo(c,n,Xo(jo(d,f,[]),n),p)}p=e.getBoundedCenter(p),t.widgetState.setCenter(p),Ix(t.widgetState,t._factory.getScaleInPixels(),t._factory.getRotationHandlePosition()),n=d},e.getBoundedCenter=e=>{const n=t.widgetState.getCenter(),r=t.widgetState.getImage().getBounds();return Ui.containsPoint(r,...e)?e:function(e,t,n){const r=[0,0,0];jo(t,e,r);const o=[0,0,0];return Ui.intersectBox(n,e,r,o,[0,0,0]),o}(e,n,r)},e[mx]=r=>{const o=t.activeState?.getManipulator?.()??t.manipulator,{worldCoords:a}=o.handleEvent(r,t._apiSpecificRenderWindow),i=jo(a,n,[]);n=a;let s=Ho(t.widgetState.getCenter(),i,[]);s=e.getBoundedCenter(s),t.widgetState.setCenter(s),Ix(t.widgetState,t._factory.getScaleInPixels(),t._factory.getRotationHandlePosition())},e[gx]=n=>{const r=e.getActiveLineHandle(),o=t.activeState?.getManipulator?.()??t.manipulator,a=o.getWidgetNormal(),{worldCoords:i}=o.handleEvent(n,t._apiSpecificRenderWindow);if(!i||!i.length)return;const s=[0,0,0];jo(i,t.widgetState.getCenter(),s),Qo(s);const l=r.getDirection();Qo(l);const c=e.getActiveRotationPointName();("point1"===c||!c&&Xo(s,l)<0)&&Ko(l,-1);const u=ta(l,s,a);e.rotateLineInView(e.getActiveLineName(),u)},e.rotateLineInView=(n,r)=>{const o=bx[Tx(n)],a=bx[Cx(n)],i=t.widgetState.getPlanes()[a].normal;if(e.rotatePlane(o,r,i),e.getKeepOrthogonality()){const o=Tx(Ax(t.widgetState,n));e.rotatePlane(bx[o],r,i)}Ix(t.widgetState,t._factory.getScaleInPixels(),t._factory.getRotationHandlePosition())},e.rotatePlane=(e,n,r)=>{const{normal:o,viewUp:a}=t.widgetState.getPlanes()[e],i=xx(o,r,n),s=xx(a,r,n);t.widgetState.getPlanes()[e]={normal:i,viewUp:s}}}const gw="default";function mw(e,t){const n=e.indexOf(t);-1!==n&&e.splice(n,1)}function hw(e,t){t.classHierarchy.push("vtkWidgetState");const n=[];t.labels={},t.nestedStates=[],e.bindState=function(r){let o=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[gw];if(t.nestedStates.push(r),n.push(r.onModified(e.modified)),Array.isArray(o)&&o.length)for(let e=0;e{for(;n.length;)n.pop().unsubscribe();mw(t.nestedStates,r);for(let r=0;r{mw(t.labels[e],r)}))},e.unbindAll=()=>{for(;n.length;)n.pop().unsubscribe();t.nestedStates=[]},e.activate=()=>e.setActive(!0),e.deactivate=n=>{n!==e&&e.setActive(!1);for(let e=0;e{t&&t.setActive(!0),e.deactivate(t)},e.getStatesWithLabel=e=>t.labels[e],e.getAllNestedStates=()=>t.nestedStates,e.delete=jt.chain(e.unbindAll,e.delete)}const vw={active:!1};var yw=function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,vw,n),jt.obj(e,t),jt.setGet(e,t,["active"]),hw(e,t)};function bw(e,t){const n=[],r=[...Ui.INIT_BOUNDS];e.containsPoint=(e,t,n)=>Array.isArray(e)?Ui.containsPoint(r,e[0],e[1],e[2]):Ui.containsPoint(r,e,t,n),e.placeWidget=o=>{t.bounds=[];const a=[(o[0]+o[1])/2,(o[2]+o[3])/2,(o[4]+o[5])/2];for(let e=0;e<6;e++){const r=a[Math.floor(e/2)];n[e]=o[e],t.bounds[e]=(o[e]-r)*t.placeFactor+r}Ui.setBounds(r,t.bounds),e.invokeBoundsChange(t.bounds),e.modified()},e.setPlaceFactor=o=>{if(t.placeFactor!==o){t.placeFactor=o,t.bounds=[];const a=[(n[0]+n[1])/2,(n[2]+n[3])/2,(n[4]+n[5])/2];for(let e=0;e<6;e++){const r=a[Math.floor(e/2)];t.bounds[e]=(n[e]-r)*t.placeFactor+r}Ui.setBounds(r,t.bounds),e.invokeBoundsChange(t.bounds),e.modified()}}}const xw={bounds:[-1,1,-1,1,-1,1],placeFactor:1};var Tw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,xw,n),jt.setGetArray(e,t,["bounds"],6),jt.get(e,t,["placeFactor"]),jt.event(e,t,"BoundsChange"),t.bounds=t.bounds.slice(),bw(e,t)}};const Cw={color:.5};var Sw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Cw,n),jt.setGet(e,t,["color"])}};const Aw={color3:[255,255,255],opacity:255};var Pw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Aw,n),jt.setGetArray(e,t,["color3"],3,255),jt.setGet(e,t,["opacity"])}};function Iw(e,t){e.translate=(t,n,r)=>{const[o,a,i]=e.getCornerByReference();e.setCorner(o+t,a+n,i+r)}}const ww={corner:[0,0,0]};var Ow={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ww,n),jt.setGetArray(e,t,["corner"],3),Iw(e)}};function Mw(e,t){const n="degree"===t.angleUnit?$f():qf();e.rotateFromDirections=(r,o)=>{n.identity().rotateFromDirections(r,o).apply(t.direction),e.modified()},e.rotate=(e,r)=>{n.identity().rotate(e,r).apply(t.direction)},e.rotateX=e=>{n.identity().rotateX(e).apply(t.direction)},e.rotateY=e=>{n.identity().rotateY(e).apply(t.direction)},e.rotateZ=e=>{n.identity().rotateZ(e).apply(t.direction)}}const Rw={direction:[1,0,0]};var Vw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Rw,n),jt.setGetArray(e,t,["direction"],3),Mw(e,t)}};function Ew(e,t){e.updateManipulator=()=>{if(t.manipulator){const{origin:e,normal:n,direction:r}=t,{setHandleOrigin:o,setHandleCenter:a,setHandleNormal:i,setHandleDirection:s}=t.manipulator;e&&o?o(e):e&&a&&a(e),r&&s?s(r):r&&!n&&i?i(r):n&&s&&s(n)}}}const Dw={manipulator:null};var Lw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Dw,n),jt.setGet(e,t,["manipulator"]),Ew(e,t)}};const Bw={name:""};var Nw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Bw,n),jt.setGet(e,t,["name"])}};function kw(e,t){return 3===e.length&&3===t.length&&e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]}function Fw(e,t){const n={o:[],p1:[],p2:[]};e.normalize=()=>{Qo(t.up),Qo(t.right),Qo(t.direction),e.modified()},e.updateFromOriginRightUp=(r,o,a)=>{(function(e,t,n,r){return kw(e,r.o)&&kw(t,r.p1)&&kw(n,r.p2)})(r,o,a,n)||(n.o=r.slice(),n.p1=o.slice(),n.p2=a.slice(),t.up=[a[0]-r[0],a[1]-r[1],a[2]-r[2]],t.right=[o[0]-r[0],o[1]-r[1],o[2]-r[2]],Yo(t.up,t.right,t.direction),Yo(t.direction,t.up,t.right),e.normalize(),e.modified())}}const _w={up:[0,1,0],right:[1,0,0],direction:[0,0,1]};var Gw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,_w,n),jt.setGetArray(e,t,["up","right","direction"],3),Fw(e,t)}};function Uw(e,t){const n={...e};e.translate=(t,n,r)=>{const[o,a,i]=e.getOriginByReference();e.setOrigin(o+t,a+n,i+r)},e.getOrigin=e=>{const r=n.getOrigin();if(!t.offset)return r;if(!e)return za.add(r,t.offset,r);const o=YP(r,e),{rendererPixelDims:a}=e,i=Math.min(a[0],a[1]);return za.multiplyAccumulate(r,t.offset,i*o,r)}}const Ww={origin:null,offset:null};var zw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ww,n),jt.setGetArray(e,t,["origin","offset"],3),Uw(e,t)}};const Hw={scale1:.5};var jw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Hw,n),jt.setGet(e,t,["scale1"])}};const Kw={scale3:[1,1,1]};var $w={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Kw,n),jt.setGetArray(e,t,["scale3"],3)}};const qw={text:"DefaultText"};var Xw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,qw,n),jt.setGet(e,t,["text"])}};const Yw={visible:!0};var Zw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Yw,n),jt.setGet(e,t,["visible"]),e.isVisible=e.getVisible}};const Qw={shape:""};var Jw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Qw,n),jt.setGet(e,t,["shape"])}};const{vtkErrorMacro:eO}=jt,tO={bounds:Tw,color:Sw,color3:Pw,corner:Ow,direction:Vw,manipulator:Lw,name:Nw,orientation:Gw,origin:zw,scale1:jw,scale3:$w,text:Xw,visible:Zw,shape:Jw};function nO(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{},o=arguments.length>4&&void 0!==arguments[4]&&arguments[4];o||yw(n,r,t);for(let o=0;o{const r=nO(n,{...o,...e});return this.publicAPI.bindState(r,t),this.model[a].push(r),this.publicAPI.modified(),r},this.publicAPI[`remove${jt.capitalize(r)}`]=e=>{let t=this.model[a].indexOf(e);-1===t&&ethis.model[a].slice(),this.publicAPI[`clear${jt.capitalize(r)}List`]=()=>{for(;this.model[a].length;){const e=this.model[a].pop();e&&this.publicAPI.unbindState(e)}this.publicAPI.modified()},this}addStateFromMixin(e){let{labels:t,mixins:n,name:r,initialValues:o}=e;const a=nO(n,o);return this.model[r]=a,this.publicAPI.bindState(a,t),jt.setGet(this.publicAPI,this.model,[r]),this}addStateFromInstance(e){let{labels:t,name:n,instance:r}=e;return this.model[n]=r,this.publicAPI.bindState(r,t),jt.setGet(this.publicAPI,this.model,[n]),this}addField(e){let{name:t,initialValue:n}=e;return Array.isArray(n)?jt.setGetArray(this.publicAPI,this.model,[t],n.length):jt.setGet(this.publicAPI,this.model,[t]),this.model[t]=n,this}build(){for(var e=arguments.length,t=new Array(e),n=0;n0&&void 0!==arguments[0]?arguments[0]:vx;const t=oO().addField({name:"center",initialValue:[0,0,0]}).addField({name:"image",initialValue:null}).addField({name:"activeViewType",initialValue:null}).addField({name:"planes",initialValue:e.reduce(((e,t)=>({...e,[bx[t]]:{normal:aO[t].normal,viewUp:aO[t].viewUp}})),{})}).addField({name:"scrollingMethod",initialValue:ux}).addField({name:"cameraOffsets",initialValue:{}}).addField({name:"viewUpFromViewType",initialValue:{}}).addStateFromMixin({labels:["handles","sphere","center"],mixins:["origin","color3","scale1","visible","manipulator"],name:"centerHandle",initialValues:{scale1:30,color3:[255,255,255]}});return e.reduce(((t,n)=>e.filter((e=>e!==n)).reduce(((e,t)=>{e.addStateFromMixin({labels:["handles","line",`lineIn${n}`,`${t}in${n}`],mixins:["origin","color3","scale3","orientation","visible","manipulator"],name:`axis${t}in${n}`,initialValues:{scale3:[4,4,4],color3:iO[t]}});for(let r=0;r<2;++r)e.addStateFromMixin({labels:["handles","sphere","rotation",`rotationIn${n}`,`${t}in${n}`,`point${r}`],mixins:["origin","color3","scale1","visible","manipulator"],name:`rotationHandle${t}in${n}${r}`,initialValues:{scale1:30,color3:iO[t]}});return e}),t)),t),t.build()}const{vtkErrorMacro:lO}=jt;function cO(e,t){t.classHierarchy.push("vtkResliceCursorWidget"),t.methodsToLink=["scaleInPixels"],e.getRepresentationsForViewType=e=>{switch(e){case sx.XY_PLANE:case sx.XZ_PLANE:case sx.YZ_PLANE:return[{builder:cw,labels:[`lineIn${yx[e]}`],initialValues:{useActiveColor:!1,scaleInPixels:t.scaleInPixels}},{builder:pw,labels:[`rotationIn${yx[e]}`],initialValues:{useActiveColor:!1,scaleInPixels:t.scaleInPixels,lighting:!1}},{builder:pw,labels:["center"],initialValues:{useActiveColor:!1,scaleInPixels:t.scaleInPixels,lighting:!1}}];case sx.DEFAULT:case sx.GEOMETRY:case sx.SLICE:case sx.VOLUME:default:return[]}},e.setImage=e=>{t.widgetState.setImage(e);const n=e.getCenter();t.widgetState.setCenter(n),Ix(t.widgetState,t.scaleInPixels,t.rotationHandlePosition)},e.setCenter=n=>{t.widgetState.setCenter(n),Ix(t.widgetState,t.scaleInPixels,t.rotationHandlePosition),e.modified()},e.updateCameraPoints=(n,r,o,a,i)=>{e.resetCamera(n,r,o,a),i&&function(e,n){const r=n.getActiveCamera().getFocalPoint(),o=t.widgetState.getCenter(),a=n.getRenderWindow().getViews()[0].getViewportSize(n),i=a[0]/a[1],s=jo(n.worldToNormalizedDisplay(...r,i),n.worldToNormalizedDisplay(...o,i),[0,0,0]),l=t.widgetState.getCameraOffsets();l[e]=s,t.widgetState.setCameraOffsets(l)}(r,n)},e.resetCamera=(n,r,o,a)=>{const i=t.widgetState.getImage().getCenter(),s=n.getActiveCamera().getFocalPoint(),l=n.getActiveCamera().getPosition(),c=Math.sqrt(ea(l,s)),u=e.getPlaneNormalFromViewType(r),d=o?i:s,p=qo(d,u,c,[0,0,0]);n.getActiveCamera().setFocalPoint(...d),n.getActiveCamera().setPosition(...p),n.getActiveCamera().setViewUp(t.widgetState.getPlanes()[r].viewUp),function(e,n,r,o,a){const i=e.getActiveCamera().getFocalPoint(),s=e.getActiveCamera().getDistance(),l=qo(i,n,s,[0,0,0]);let c=i;if(o&&(c=ri.intersectWithLine(i,l,t.widgetState.getCenter(),n).x),a){const o=t.widgetState.getCenter(),a=e.getRenderWindow().getViews()[0].getViewportSize(e),i=a[0]/a[1],s=Ho(e.worldToNormalizedDisplay(...o,i),t.widgetState.getCameraOffsets()[r],[0,0,0]),u=e.normalizedDisplayToWorld(...s,i),d=ri.intersectWithLine(u,l,o,n);c[0]=d.x[0],c[1]=d.x[1],c[2]=d.x[2]}e.getActiveCamera().setFocalPoint(c[0],c[1],c[2]);const u=qo(c,n,s,[0,0,0]);e.getActiveCamera().setPosition(u[0],u[1],u[2]);const d=t.widgetState.getImage().getBounds();o&&e.resetCamera(d),e.resetCameraClippingRange(d)}(n,u,r,o,a)},e.getPlaneSource=n=>{const r=function(n){const r=t.widgetState.getImage().getBounds(),o=e.getWidgetState().getCenter(),a=t.widgetState.getImage().getCenter(),i=[];for(let e=0;e<3;e++)i[e]=-Math.abs(o[e]-a[e]),i[e]*=2;const s=cI.newInstance();return n===sx.XZ_PLANE?(s.setOrigin(r[0]+i[0],o[1],r[4]+i[2]),s.setPoint1(r[1]-i[0],o[1],r[4]+i[2]),s.setPoint2(r[0]+i[0],o[1],r[5]-i[2])):n===sx.XY_PLANE?(s.setOrigin(r[0]+i[0],r[2]+i[1],o[2]),s.setPoint1(r[1]-i[0],r[2]+i[1],o[2]),s.setPoint2(r[0]+i[0],r[3]-i[1],o[2])):n===sx.YZ_PLANE&&(s.setOrigin(o[0],r[2]+i[1],r[4]+i[2]),s.setPoint1(o[0],r[3]-i[1],r[4]+i[2]),s.setPoint2(o[0],r[2]+i[1],r[5]-i[2])),s}(n),{normal:o,viewUp:a}=t.widgetState.getPlanes()[n];!function(e,t,n,r){e.setNormal(n);const o=ta(jo(e.getPoint2(),e.getOrigin(),[]),r,n);e.rotate(o,n),e.setCenter(t)}(r,t.widgetState.getCenter(),o,a);const i=[...r.getOrigin()],s=[...r.getPoint1()],l=[...r.getPoint2()];return function(e,t,n,r){const o=[];jo(n,t,o),Qo(o);const a=[];jo(r,t,a),Qo(a);const i=[0,0,1];Yo(o,a,i),Qo(i);const s=[...e],l=[...i];Ko(l,1e-6),Ui.addBounds(s,e[0]+l[0],e[1]+l[0],e[2]+l[1],e[3]+l[1],e[4]+l[2],e[5]+l[2]),Ui.addBounds(s,e[0]-l[0],e[1]-l[0],e[2]-l[1],e[3]-l[1],e[4]-l[2],e[5]-l[2]);const 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e[0]=s*(p*v-f*h)-d*(l*v-c*h)+m*(l*f-c*p),e[1]=-(r*(p*v-f*h)-d*(o*v-a*h)+m*(o*f-a*p)),e[2]=r*(l*v-c*h)-s*(o*v-a*h)+m*(o*c-a*l),e[3]=-(r*(l*f-c*p)-s*(o*f-a*p)+d*(o*c-a*l)),e[4]=-(i*(p*v-f*h)-u*(l*v-c*h)+g*(l*f-c*p)),e[5]=n*(p*v-f*h)-u*(o*v-a*h)+g*(o*f-a*p),e[6]=-(n*(l*v-c*h)-i*(o*v-a*h)+g*(o*c-a*l)),e[7]=n*(l*f-c*p)-i*(o*f-a*p)+u*(o*c-a*l),e[8]=i*(d*v-f*m)-u*(s*v-c*m)+g*(s*f-c*d),e[9]=-(n*(d*v-f*m)-u*(r*v-a*m)+g*(r*f-a*d)),e[10]=n*(s*v-c*m)-i*(r*v-a*m)+g*(r*c-a*s),e[11]=-(n*(s*f-c*d)-i*(r*f-a*d)+u*(r*c-a*s)),e[12]=-(i*(d*h-p*m)-u*(s*h-l*m)+g*(s*p-l*d)),e[13]=n*(d*h-p*m)-u*(r*h-o*m)+g*(r*p-o*d),e[14]=-(n*(s*h-l*m)-i*(r*h-o*m)+g*(r*l-o*s)),e[15]=n*(s*p-l*d)-i*(r*p-o*d)+u*(r*l-o*s),e}function y(e){var t=e[0],n=e[1],r=e[2],o=e[3],a=e[4],i=e[5],s=e[6],l=e[7],c=e[8],u=e[9],d=e[10],p=e[11],f=e[12],g=e[13],m=e[14],h=e[15];return(t*i-n*a)*(d*h-p*m)-(t*s-r*a)*(u*h-p*g)+(t*l-o*a)*(u*m-d*g)+(n*s-r*i)*(c*h-p*f)-(n*l-o*i)*(c*m-d*f)+(r*l-o*s)*(c*g-u*f)}function b(e,t,n){var r=t[0],o=t[1],a=t[2],i=t[3],s=t[4],l=t[5],c=t[6],u=t[7],d=t[8],p=t[9],f=t[10],g=t[11],m=t[12],h=t[13],v=t[14],y=t[15],b=n[0],x=n[1],T=n[2],C=n[3];return e[0]=b*r+x*s+T*d+C*m,e[1]=b*o+x*l+T*p+C*h,e[2]=b*a+x*c+T*f+C*v,e[3]=b*i+x*u+T*g+C*y,b=n[4],x=n[5],T=n[6],C=n[7],e[4]=b*r+x*s+T*d+C*m,e[5]=b*o+x*l+T*p+C*h,e[6]=b*a+x*c+T*f+C*v,e[7]=b*i+x*u+T*g+C*y,b=n[8],x=n[9],T=n[10],C=n[11],e[8]=b*r+x*s+T*d+C*m,e[9]=b*o+x*l+T*p+C*h,e[10]=b*a+x*c+T*f+C*v,e[11]=b*i+x*u+T*g+C*y,b=n[12],x=n[13],T=n[14],C=n[15],e[12]=b*r+x*s+T*d+C*m,e[13]=b*o+x*l+T*p+C*h,e[14]=b*a+x*c+T*f+C*v,e[15]=b*i+x*u+T*g+C*y,e}function x(e,t,n){var r,o,a,i,s,l,c,u,d,p,f,g,m=n[0],h=n[1],v=n[2];return 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e[0]=t[12],e[1]=t[13],e[2]=t[14],e}function B(e,t){var n=t[0],r=t[1],o=t[2],a=t[4],i=t[5],s=t[6],l=t[8],c=t[9],u=t[10];return e[0]=Math.hypot(n,r,o),e[1]=Math.hypot(a,i,s),e[2]=Math.hypot(l,c,u),e}function N(e,t){var n=new i(3);B(n,t);var r=1/n[0],o=1/n[1],a=1/n[2],s=t[0]*r,l=t[1]*o,c=t[2]*a,u=t[4]*r,d=t[5]*o,p=t[6]*a,f=t[8]*r,g=t[9]*o,m=t[10]*a,h=s+d+m,v=0;return h>0?(v=2*Math.sqrt(h+1),e[3]=.25*v,e[0]=(p-g)/v,e[1]=(f-c)/v,e[2]=(l-u)/v):s>d&&s>m?(v=2*Math.sqrt(1+s-d-m),e[3]=(p-g)/v,e[0]=.25*v,e[1]=(l+u)/v,e[2]=(f+c)/v):d>m?(v=2*Math.sqrt(1+d-s-m),e[3]=(f-c)/v,e[0]=(l+u)/v,e[1]=.25*v,e[2]=(p+g)/v):(v=2*Math.sqrt(1+m-s-d),e[3]=(l-u)/v,e[0]=(f+c)/v,e[1]=(p+g)/v,e[2]=.25*v),e}function k(e,t,n,r){var o=t[0],a=t[1],i=t[2],s=t[3],l=o+o,c=a+a,u=i+i,d=o*l,p=o*c,f=o*u,g=a*c,m=a*u,h=i*u,v=s*l,y=s*c,b=s*u,x=r[0],T=r[1],C=r[2];return e[0]=(1-(g+h))*x,e[1]=(p+b)*x,e[2]=(f-y)*x,e[3]=0,e[4]=(p-b)*T,e[5]=(1-(d+h))*T,e[6]=(m+v)*T,e[7]=0,e[8]=(f+y)*C,e[9]=(m-v)*C,e[10]=(1-(d+g))*C,e[11]=0,e[12]=n[0],e[13]=n[1],e[14]=n[2],e[15]=1,e}function F(e,t,n,r,o){var a=t[0],i=t[1],s=t[2],l=t[3],c=a+a,u=i+i,d=s+s,p=a*c,f=a*u,g=a*d,m=i*u,h=i*d,v=s*d,y=l*c,b=l*u,x=l*d,T=r[0],C=r[1],S=r[2],P=o[0],A=o[1],I=o[2],w=(1-(m+v))*T,O=(f+x)*T,M=(g-b)*T,R=(f-x)*C,V=(1-(p+v))*C,E=(h+y)*C,D=(g+b)*S,L=(h-y)*S,B=(1-(p+m))*S;return e[0]=w,e[1]=O,e[2]=M,e[3]=0,e[4]=R,e[5]=V,e[6]=E,e[7]=0,e[8]=D,e[9]=L,e[10]=B,e[11]=0,e[12]=n[0]+P-(w*P+R*A+D*I),e[13]=n[1]+A-(O*P+V*A+L*I),e[14]=n[2]+I-(M*P+E*A+B*I),e[15]=1,e}function _(e,t){var n=t[0],r=t[1],o=t[2],a=t[3],i=n+n,s=r+r,l=o+o,c=n*i,u=r*i,d=r*s,p=o*i,f=o*s,g=o*l,m=a*i,h=a*s,v=a*l;return e[0]=1-d-g,e[1]=u+v,e[2]=p-h,e[3]=0,e[4]=u-v,e[5]=1-c-g,e[6]=f+m,e[7]=0,e[8]=p+h,e[9]=f-m,e[10]=1-c-d,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e}function G(e,t,n,r,o,a,i){var s=1/(n-t),l=1/(o-r),c=1/(a-i);return e[0]=2*a*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=2*a*l,e[6]=0,e[7]=0,e[8]=(n+t)*s,e[9]=(o+r)*l,e[10]=(i+a)*c,e[11]=-1,e[12]=0,e[13]=0,e[14]=i*a*2*c,e[15]=0,e}function U(e,t,n,r,o){var a,i=1/Math.tan(t/2);return e[0]=i/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=i,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(a=1/(r-o),e[10]=(o+r)*a,e[14]=2*o*r*a):(e[10]=-1,e[14]=-2*r),e}Math.hypot||(Math.hypot=function(){for(var e=0,t=arguments.length;t--;)e+=arguments[t]*arguments[t];return Math.sqrt(e)});var z=U;function W(e,t,n,r,o){var a,i=1/Math.tan(t/2);return e[0]=i/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=i,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(a=1/(r-o),e[10]=o*a,e[14]=o*r*a):(e[10]=-1,e[14]=-r),e}function H(e,t,n,r){var o=Math.tan(t.upDegrees*Math.PI/180),a=Math.tan(t.downDegrees*Math.PI/180),i=Math.tan(t.leftDegrees*Math.PI/180),s=Math.tan(t.rightDegrees*Math.PI/180),l=2/(i+s),c=2/(o+a);return e[0]=l,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=c,e[6]=0,e[7]=0,e[8]=-(i-s)*l*.5,e[9]=(o-a)*c*.5,e[10]=r/(n-r),e[11]=-1,e[12]=0,e[13]=0,e[14]=r*n/(n-r),e[15]=0,e}function j(e,t,n,r,o,a,i){var s=1/(t-n),l=1/(r-o),c=1/(a-i);return e[0]=-2*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*l,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=2*c,e[11]=0,e[12]=(t+n)*s,e[13]=(o+r)*l,e[14]=(i+a)*c,e[15]=1,e}var K=j;function $(e,t,n,r,o,a,i){var s=1/(t-n),l=1/(r-o),c=1/(a-i);return e[0]=-2*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*l,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=c,e[11]=0,e[12]=(t+n)*s,e[13]=(o+r)*l,e[14]=a*c,e[15]=1,e}function q(e,t,n,r){var o,i,s,l,c,u,d,p,f,m,h=t[0],v=t[1],y=t[2],b=r[0],x=r[1],T=r[2],C=n[0],S=n[1],P=n[2];return Math.abs(h-C)0&&(u*=f=1/Math.sqrt(f),d*=f,p*=f);var g=l*p-c*d,m=c*u-s*p,h=s*d-l*u;return(f=g*g+m*m+h*h)>0&&(g*=f=1/Math.sqrt(f),m*=f,h*=f),e[0]=g,e[1]=m,e[2]=h,e[3]=0,e[4]=d*h-p*m,e[5]=p*g-u*h,e[6]=u*m-d*g,e[7]=0,e[8]=u,e[9]=d,e[10]=p,e[11]=0,e[12]=o,e[13]=a,e[14]=i,e[15]=1,e}function Y(e){return"mat4("+e[0]+", "+e[1]+", "+e[2]+", "+e[3]+", "+e[4]+", "+e[5]+", "+e[6]+", "+e[7]+", "+e[8]+", "+e[9]+", "+e[10]+", "+e[11]+", "+e[12]+", "+e[13]+", "+e[14]+", "+e[15]+")"}function Z(e){return Math.hypot(e[0],e[1],e[2],e[3],e[4],e[5],e[6],e[7],e[8],e[9],e[10],e[11],e[12],e[13],e[14],e[15])}function Q(e,t,n){return e[0]=t[0]+n[0],e[1]=t[1]+n[1],e[2]=t[2]+n[2],e[3]=t[3]+n[3],e[4]=t[4]+n[4],e[5]=t[5]+n[5],e[6]=t[6]+n[6],e[7]=t[7]+n[7],e[8]=t[8]+n[8],e[9]=t[9]+n[9],e[10]=t[10]+n[10],e[11]=t[11]+n[11],e[12]=t[12]+n[12],e[13]=t[13]+n[13],e[14]=t[14]+n[14],e[15]=t[15]+n[15],e}function J(e,t,n){return e[0]=t[0]-n[0],e[1]=t[1]-n[1],e[2]=t[2]-n[2],e[3]=t[3]-n[3],e[4]=t[4]-n[4],e[5]=t[5]-n[5],e[6]=t[6]-n[6],e[7]=t[7]-n[7],e[8]=t[8]-n[8],e[9]=t[9]-n[9],e[10]=t[10]-n[10],e[11]=t[11]-n[11],e[12]=t[12]-n[12],e[13]=t[13]-n[13],e[14]=t[14]-n[14],e[15]=t[15]-n[15],e}function ee(e,t,n){return e[0]=t[0]*n,e[1]=t[1]*n,e[2]=t[2]*n,e[3]=t[3]*n,e[4]=t[4]*n,e[5]=t[5]*n,e[6]=t[6]*n,e[7]=t[7]*n,e[8]=t[8]*n,e[9]=t[9]*n,e[10]=t[10]*n,e[11]=t[11]*n,e[12]=t[12]*n,e[13]=t[13]*n,e[14]=t[14]*n,e[15]=t[15]*n,e}function te(e,t,n,r){return e[0]=t[0]+n[0]*r,e[1]=t[1]+n[1]*r,e[2]=t[2]+n[2]*r,e[3]=t[3]+n[3]*r,e[4]=t[4]+n[4]*r,e[5]=t[5]+n[5]*r,e[6]=t[6]+n[6]*r,e[7]=t[7]+n[7]*r,e[8]=t[8]+n[8]*r,e[9]=t[9]+n[9]*r,e[10]=t[10]+n[10]*r,e[11]=t[11]+n[11]*r,e[12]=t[12]+n[12]*r,e[13]=t[13]+n[13]*r,e[14]=t[14]+n[14]*r,e[15]=t[15]+n[15]*r,e}function ne(e,t){return e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]&&e[4]===t[4]&&e[5]===t[5]&&e[6]===t[6]&&e[7]===t[7]&&e[8]===t[8]&&e[9]===t[9]&&e[10]===t[10]&&e[11]===t[11]&&e[12]===t[12]&&e[13]===t[13]&&e[14]===t[14]&&e[15]===t[15]}function re(e,t){var n=e[0],r=e[1],o=e[2],i=e[3],s=e[4],l=e[5],c=e[6],u=e[7],d=e[8],p=e[9],f=e[10],g=e[11],m=e[12],h=e[13],v=e[14],y=e[15],b=t[0],x=t[1],T=t[2],C=t[3],S=t[4],P=t[5],A=t[6],I=t[7],w=t[8],O=t[9],M=t[10],R=t[11],V=t[12],E=t[13],D=t[14],L=t[15];return 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n=t[0],r=t[1],o=t[2],a=t[3],i=t[4],s=t[5],l=t[6],c=t[7],u=t[8],d=u*i-s*c,p=-u*a+s*l,f=c*a-i*l,g=n*d+r*p+o*f;return g?(g=1/g,e[0]=d*g,e[1]=(-u*r+o*c)*g,e[2]=(s*r-o*i)*g,e[3]=p*g,e[4]=(u*n-o*l)*g,e[5]=(-s*n+o*a)*g,e[6]=f*g,e[7]=(-c*n+r*l)*g,e[8]=(i*n-r*a)*g,e):null}function me(e,t){var n=t[0],r=t[1],o=t[2],a=t[3],i=t[4],s=t[5],l=t[6],c=t[7],u=t[8];return e[0]=i*u-s*c,e[1]=o*c-r*u,e[2]=r*s-o*i,e[3]=s*l-a*u,e[4]=n*u-o*l,e[5]=o*a-n*s,e[6]=a*c-i*l,e[7]=r*l-n*c,e[8]=n*i-r*a,e}function he(e){var t=e[0],n=e[1],r=e[2],o=e[3],a=e[4],i=e[5],s=e[6],l=e[7],c=e[8];return t*(c*a-i*l)+n*(-c*o+i*s)+r*(l*o-a*s)}function ve(e,t,n){var r=t[0],o=t[1],a=t[2],i=t[3],s=t[4],l=t[5],c=t[6],u=t[7],d=t[8],p=n[0],f=n[1],g=n[2],m=n[3],h=n[4],v=n[5],y=n[6],b=n[7],x=n[8];return e[0]=p*r+f*i+g*c,e[1]=p*o+f*s+g*u,e[2]=p*a+f*l+g*d,e[3]=m*r+h*i+v*c,e[4]=m*o+h*s+v*u,e[5]=m*a+h*l+v*d,e[6]=y*r+b*i+x*c,e[7]=y*o+b*s+x*u,e[8]=y*a+b*l+x*d,e}function ye(e,t,n){var r=t[0],o=t[1],a=t[2],i=t[3],s=t[4],l=t[5],c=t[6],u=t[7],d=t[8],p=n[0],f=n[1];return e[0]=r,e[1]=o,e[2]=a,e[3]=i,e[4]=s,e[5]=l,e[6]=p*r+f*i+c,e[7]=p*o+f*s+u,e[8]=p*a+f*l+d,e}function be(e,t,n){var r=t[0],o=t[1],a=t[2],i=t[3],s=t[4],l=t[5],c=t[6],u=t[7],d=t[8],p=Math.sin(n),f=Math.cos(n);return e[0]=f*r+p*i,e[1]=f*o+p*s,e[2]=f*a+p*l,e[3]=f*i-p*r,e[4]=f*s-p*o,e[5]=f*l-p*a,e[6]=c,e[7]=u,e[8]=d,e}function xe(e,t,n){var r=n[0],o=n[1];return e[0]=r*t[0],e[1]=r*t[1],e[2]=r*t[2],e[3]=o*t[3],e[4]=o*t[4],e[5]=o*t[5],e[6]=t[6],e[7]=t[7],e[8]=t[8],e}function Te(e,t){return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=1,e[5]=0,e[6]=t[0],e[7]=t[1],e[8]=1,e}function Ce(e,t){var n=Math.sin(t),r=Math.cos(t);return e[0]=r,e[1]=n,e[2]=0,e[3]=-n,e[4]=r,e[5]=0,e[6]=0,e[7]=0,e[8]=1,e}function Se(e,t){return e[0]=t[0],e[1]=0,e[2]=0,e[3]=0,e[4]=t[1],e[5]=0,e[6]=0,e[7]=0,e[8]=1,e}function Pe(e,t){return e[0]=t[0],e[1]=t[1],e[2]=0,e[3]=t[2],e[4]=t[3],e[5]=0,e[6]=t[4],e[7]=t[5],e[8]=1,e}function Ae(e,t){var n=t[0],r=t[1],o=t[2],a=t[3],i=n+n,s=r+r,l=o+o,c=n*i,u=r*i,d=r*s,p=o*i,f=o*s,g=o*l,m=a*i,h=a*s,v=a*l;return e[0]=1-d-g,e[3]=u-v,e[6]=p+h,e[1]=u+v,e[4]=1-c-g,e[7]=f-m,e[2]=p-h,e[5]=f+m,e[8]=1-c-d,e}function Ie(e,t){var n=t[0],r=t[1],o=t[2],a=t[3],i=t[4],s=t[5],l=t[6],c=t[7],u=t[8],d=t[9],p=t[10],f=t[11],g=t[12],m=t[13],h=t[14],v=t[15],y=n*s-r*i,b=n*l-o*i,x=n*c-a*i,T=r*l-o*s,C=r*c-a*s,S=o*c-a*l,P=u*m-d*g,A=u*h-p*g,I=u*v-f*g,w=d*h-p*m,O=d*v-f*m,M=p*v-f*h,R=y*M-b*O+x*w+T*I-C*A+S*P;return R?(R=1/R,e[0]=(s*M-l*O+c*w)*R,e[1]=(l*I-i*M-c*A)*R,e[2]=(i*O-s*I+c*P)*R,e[3]=(o*O-r*M-a*w)*R,e[4]=(n*M-o*I+a*A)*R,e[5]=(r*I-n*O-a*P)*R,e[6]=(m*S-h*C+v*T)*R,e[7]=(h*x-g*S-v*b)*R,e[8]=(g*C-m*x+v*y)*R,e):null}function we(e,t,n){return e[0]=2/t,e[1]=0,e[2]=0,e[3]=0,e[4]=-2/n,e[5]=0,e[6]=-1,e[7]=1,e[8]=1,e}function Oe(e){return"mat3("+e[0]+", "+e[1]+", "+e[2]+", "+e[3]+", "+e[4]+", "+e[5]+", "+e[6]+", "+e[7]+", "+e[8]+")"}function Me(e){return Math.hypot(e[0],e[1],e[2],e[3],e[4],e[5],e[6],e[7],e[8])}function 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Qi(e,t){t.classHierarchy.push("vtkProp3D"),e.addPosition=n=>{t.position=t.position.map(((e,t)=>e+n[t])),e.modified()},e.getOrientationWXYZ=()=>{const e=Ui();N(e,t.rotation);const n=new Float64Array(3),r=function(e,t){var n=2*Math.acos(t[3]),r=Math.sin(n/2);return r>a?(e[0]=t[0]/r,e[1]=t[1]/r,e[2]=t[2]/r):(e[0]=1,e[1]=0,e[2]=0),n}(n,e);return[Ro(r),n[0],n[1],n[2]]},e.rotateX=n=>{0!==n&&(S(t.rotation,t.rotation,Mo(n)),e.modified())},e.rotateY=n=>{0!==n&&(P(t.rotation,t.rotation,Mo(n)),e.modified())},e.rotateZ=n=>{0!==n&&(A(t.rotation,t.rotation,Mo(n)),e.modified())},e.rotateWXYZ=(n,r,o,a)=>{if(0===n||0===r&&0===o&&0===a)return;const i=Mo(n),s=Ui();zi(s,[r,o,a],i);const l=new 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ts={newInstance:jt.newInstance(es,"vtkProp3D"),extend:es};const ns={FLAT:0,GOURAUD:1,PHONG:2},rs={POINTS:0,WIREFRAME:1,SURFACE:2};var os={Shading:ns,Representation:rs,Interpolation:ns};const{Representation:as,Interpolation:is}=os;function ss(e){return()=>jt.vtkErrorMacro(`vtkProperty::${e} - NOT IMPLEMENTED`)}function ls(e,t){t.classHierarchy.push("vtkProperty"),e.setColor=(n,r,o)=>{Array.isArray(n)?t.color[0]===n[0]&&t.color[1]===n[1]&&t.color[2]===n[2]||(t.color[0]=n[0],t.color[1]=n[1],t.color[2]=n[2],e.modified()):t.color[0]===n&&t.color[1]===r&&t.color[2]===o||(t.color[0]=n,t.color[1]=r,t.color[2]=o,e.modified()),e.setDiffuseColor(t.color),e.setAmbientColor(t.color),e.setSpecularColor(t.color)},e.computeCompositeColor=ss("ComputeCompositeColor"),e.getColor=()=>{let e=0;t.ambient+t.diffuse+t.specular>0&&(e=1/(t.ambient+t.diffuse+t.specular));for(let n=0;n<3;n++)t.color[n]=e*(t.ambient*t.ambientColor[n]+t.diffuse*t.diffuseColor[n]+t.specular*t.specularColor[n]);return[].concat(t.color)},e.setSpecularPower=n=>{const r=1/Math.max(1,n);t.roughness===r&&t.specularPower===n||(t.specularPower=n,t.roughness=r,e.modified())},e.addShaderVariable=ss("AddShaderVariable"),e.setInterpolationToFlat=()=>e.setInterpolation(is.FLAT),e.setInterpolationToGouraud=()=>e.setInterpolation(is.GOURAUD),e.setInterpolationToPhong=()=>e.setInterpolation(is.PHONG),e.getInterpolationAsString=()=>jt.enumToString(is,t.interpolation),e.setRepresentationToWireframe=()=>e.setRepresentation(as.WIREFRAME),e.setRepresentationToSurface=()=>e.setRepresentation(as.SURFACE),e.setRepresentationToPoints=()=>e.setRepresentation(as.POINTS),e.getRepresentationAsString=()=>jt.enumToString(as,t.representation)}const cs={color:[1,1,1],ambientColor:[1,1,1],diffuseColor:[1,1,1],specularColor:[1,1,1],edgeColor:[0,0,0],ambient:0,diffuse:1,metallic:0,roughness:.6,normalStrength:1,emission:1,baseIOR:1.45,specular:0,specularPower:1,opacity:1,interpolation:is.GOURAUD,representation:as.SURFACE,edgeVisibility:!1,backfaceCulling:!1,frontfaceCulling:!1,pointSize:1,lineWidth:1,lighting:!0,shading:!1,materialName:null};function us(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,cs,n),jt.obj(e,t),jt.setGet(e,t,["lighting","interpolation","ambient","diffuse","metallic","roughness","normalStrength","emission","baseIOR","specular","specularPower","opacity","edgeVisibility","lineWidth","pointSize","backfaceCulling","frontfaceCulling","representation","diffuseTexture","metallicTexture","roughnessTexture","normalTexture","ambientOcclusionTexture","emissionTexture"]),jt.setGetArray(e,t,["ambientColor","specularColor","diffuseColor","edgeColor"],3),ls(e,t)}var ds={newInstance:jt.newInstance(us,"vtkProperty"),extend:us,...os};const{vtkDebugMacro:ps}=jt;function fs(e,t){t.classHierarchy.push("vtkActor");const n={...e};e.getActors=()=>[e],e.getIsOpaque=()=>{if(t.forceOpaque)return!0;if(t.forceTranslucent)return!1;t.property||e.getProperty();let n=t.property.getOpacity()>=1;return n=n&&(!t.texture||!t.texture.isTranslucent()),n=n&&(!t.mapper||t.mapper.getIsOpaque()),n},e.hasTranslucentPolygonalGeometry=()=>null!==t.mapper&&(null===t.property&&e.setProperty(e.makeProperty()),!e.getIsOpaque()),e.makeProperty=ds.newInstance,e.getProperty=()=>(null===t.property&&(t.property=e.makeProperty()),t.property),e.getBounds=()=>{if(null===t.mapper)return t.bounds;const n=t.mapper.getBounds();if(!n||6!==n.length)return n;if(n[0]>n[1])return t.mapperBounds=n.concat(),t.bounds=[1,-1,1,-1,1,-1],t.boundsMTime.modified(),n;if(!t.mapperBounds||n[0]!==t.mapperBounds[0]||n[1]!==t.mapperBounds[1]||n[2]!==t.mapperBounds[2]||n[3]!==t.mapperBounds[3]||n[4]!==t.mapperBounds[4]||n[5]!==t.mapperBounds[5]||e.getMTime()>t.boundsMTime.getMTime()){ps("Recomputing bounds..."),t.mapperBounds=n.concat();const r=[];Fi.getCorners(n,r),e.computeMatrix();const o=new Float64Array(16);m(o,t.matrix),r.forEach((e=>Dn(e,e,o))),t.bounds[0]=t.bounds[2]=t.bounds[4]=Number.MAX_VALUE,t.bounds[1]=t.bounds[3]=t.bounds[5]=-Number.MAX_VALUE,t.bounds=t.bounds.map(((e,t)=>t%2==0?r.reduce(((e,n)=>e>n[t/2]?n[t/2]:e),e):r.reduce(((e,n)=>e{let e=n.getMTime();if(null!==t.property){const n=t.property.getMTime();e=n>e?n:e}if(null!==t.backfaceProperty){const n=t.backfaceProperty.getMTime();e=n>e?n:e}return e},e.getRedrawMTime=()=>{let e=t.mtime;if(null!==t.mapper){let n=t.mapper.getMTime();e=n>e?n:e,null!==t.mapper.getInput()&&(t.mapper.getInputAlgorithm().update(),n=t.mapper.getInput().getMTime(),e=n>e?n:e)}return e},e.getSupportsSelection=()=>!!t.mapper&&t.mapper.getSupportsSelection(),e.processSelectorPixelBuffers=(e,n)=>{t.mapper&&t.mapper.processSelectorPixelBuffers&&t.mapper.processSelectorPixelBuffers(e,n)}}const gs={mapper:null,property:null,backfaceProperty:null,forceOpaque:!1,forceTranslucent:!1,bounds:[1,-1,1,-1,1,-1]};function ms(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,gs,n),ts.extend(e,t,n),t.boundsMTime={},jt.obj(t.boundsMTime),jt.set(e,t,["property"]),jt.setGet(e,t,["backfaceProperty","forceOpaque","forceTranslucent","mapper"]),fs(e,t)}var hs={newInstance:jt.newInstance(ms,"vtkActor"),extend:ms};const vs={Int8Array:1,Uint8Array:1,Uint8ClampedArray:1,Int16Array:2,Uint16Array:2,Int32Array:4,Uint32Array:4,Float32Array:4,Float64Array:8},ys={VOID:"",CHAR:"Int8Array",SIGNED_CHAR:"Int8Array",UNSIGNED_CHAR:"Uint8Array",SHORT:"Int16Array",UNSIGNED_SHORT:"Uint16Array",INT:"Int32Array",UNSIGNED_INT:"Uint32Array",FLOAT:"Float32Array",DOUBLE:"Float64Array"};var bs={DefaultDataType:ys.FLOAT,DataTypeByteSize:vs,VtkDataTypes:ys};const{vtkErrorMacro:xs}=Kt,{DefaultDataType:Ts}=bs,Cs=1e-6;function Ss(e,t,n){const r=e.length;let o,a,i=Number.MAX_VALUE,s=-Number.MAX_VALUE;for(a=t;as&&(s=o);return{min:i,max:s}}function Ps(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:1;if(t<0&&n>1){const t=e.length/n,r=new Float64Array(t);for(let o=0,a=0;o1&&void 0!==arguments[1]?arguments[1]:0;const n=e||[];for(;n.length<=t;)n.push(null);return n}function Is(e){return Object.prototype.toString.call(e).slice(8,-1)}const ws={computeRange:Ps,createRangeHelper:function(){let e=Number.MAX_VALUE,t=-Number.MAX_VALUE,n=0,r=0;return{add(o){e>o&&(e=o),t({min:e,max:t,count:n,sum:r,mean:r/n}),getRange:()=>({min:e,max:t})}},fastComputeRange:Ss,getDataType:Is,getMaxNorm:function(e){const t=e.getNumberOfComponents();let n=0;const r=new Array(t);for(let o=0;on&&(n=a)}return n}};function Os(e,t){function n(n){if(n<0)return!1;const r=e.getNumberOfComponents(),o=t.values.length/(r>0?r:1);if(n===o)return!0;if(n>o){const e=t.values;return t.values=at(t.dataType,(n+o)*r),t.values.set(e),!0}return t.size>n*r&&(t.size=n*r,e.dataChange()),!0}t.classHierarchy.push("vtkDataArray"),e.dataChange=()=>{t.ranges=null,e.modified()},e.resize=r=>{n(r);const o=r*e.getNumberOfComponents();return t.size!==o&&(t.size=o,e.dataChange(),!0)},e.initialize=()=>{e.resize(0)},e.getElementComponentSize=()=>t.values.BYTES_PER_ELEMENT,e.getComponent=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;return t.values[e*t.numberOfComponents+n]},e.setComponent=(n,r,o)=>{o!==t.values[n*t.numberOfComponents+r]&&(t.values[n*t.numberOfComponents+r]=o,e.dataChange())},e.getValue=n=>{const r=n/t.numberOfComponents,o=n%t.numberOfComponents;return e.getComponent(r,o)},e.setValue=(n,r)=>{const o=n/t.numberOfComponents,a=n%t.numberOfComponents;e.setComponent(o,a,r)},e.getData=()=>t.size===t.values.length?t.values:t.values.subarray(0,t.size),e.getRange=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:-1,r=n;r<0&&(r=1===t.numberOfComponents?0:t.numberOfComponents);let o=null;return t.ranges||(t.ranges=As(t.ranges,t.numberOfComponents)),o=t.ranges[r],o?(t.rangeTuple[0]=o.min,t.rangeTuple[1]=o.max,t.rangeTuple):(o=Ps(e.getData(),n,t.numberOfComponents),t.ranges[r]=o,t.rangeTuple[0]=o.min,t.rangeTuple[1]=o.max,t.rangeTuple)},e.setRange=(e,n)=>{t.ranges||(t.ranges=As(t.ranges,t.numberOfComponents));const r={min:e.min,max:e.max};return t.ranges[n]=r,t.rangeTuple[0]=r.min,t.rangeTuple[1]=r.max,t.rangeTuple},e.setTuple=(e,n)=>{const r=e*t.numberOfComponents;for(let e=0;e{let r=e*t.numberOfComponents;const o=Math.min(n.length,t.size-r);for(let e=0;e(t.size<=r*t.numberOfComponents&&(t.size=(r+1)*t.numberOfComponents,n(r+1)),e.setTuple(r,o),r),e.insertTuples=(r,o)=>{const a=r+o.length/t.numberOfComponents;return t.size{const r=t.size/t.numberOfComponents;return e.insertTuple(r,n)},e.insertNextTuples=n=>{const r=t.size/t.numberOfComponents;return e.insertTuples(r,n)},e.findTuple=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:Cs;for(let r=0;rn){o=!1;break}if(o)return r/t.numberOfComponents}return-1},e.getTuple=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];const r=t.numberOfComponents||1,o=e*r;switch(r){case 4:n[3]=t.values[o+3];case 3:n[2]=t.values[o+2];case 2:n[1]=t.values[o+1];case 1:n[0]=t.values[o];break;default:for(let e=r-1;e>=0;--e)n[e]=t.values[o+e]}return n},e.getTuples=(n,r)=>{const o=(n??0)*t.numberOfComponents,a=(r??e.getNumberOfTuples())*t.numberOfComponents,i=e.getData().subarray(o,a);return i.length>0?i:null},e.getTupleLocation=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:1;return e*t.numberOfComponents},e.getNumberOfComponents=()=>t.numberOfComponents,e.getNumberOfValues=()=>t.size,e.getNumberOfTuples=()=>t.size/t.numberOfComponents,e.getDataType=()=>t.dataType,e.newClone=()=>Vs({empty:!0,name:t.name,dataType:t.dataType,numberOfComponents:t.numberOfComponents}),e.getName=()=>(t.name||(e.modified(),t.name=`vtkDataArray${e.getMTime()}`),t.name),e.setData=(n,r)=>{t.values=n,t.size=n.length,t.dataType=Is(n),r&&(t.numberOfComponents=r),t.size%t.numberOfComponents!=0&&(t.numberOfComponents=1),e.dataChange()},e.getState=()=>{if(t.deleted)return null;const n={...t,vtkClass:e.getClassName()};n.values=Array.from(n.values),delete n.buffer,Object.keys(n).forEach((e=>{n[e]||delete n[e]}));const r={};return Object.keys(n).sort().forEach((e=>{r[e]=n[e]})),r.mtime&&delete r.mtime,r},e.deepCopy=n=>{const r=e.getDataType(),o=t.values;e.shallowCopy(n),o?.length>=n.getNumberOfValues()&&r===n.getDataType()?(o.set(n.getData()),t.values=o,e.dataChange()):e.setData(n.getData().slice())},e.interpolateTuple=(n,r,o,a,i,s)=>{const l=t.numberOfComponents||1;l===r.getNumberOfComponents()&&l===a.getNumberOfComponents()||xs("numberOfComponents must match");const c=r.getTuple(o),u=a.getTuple(i),d=[];switch(d.length=l,l){case 4:d[3]=c[3]+(u[3]-c[3])*s;case 3:d[2]=c[2]+(u[2]-c[2])*s;case 2:d[1]=c[1]+(u[1]-c[1])*s;case 1:d[0]=c[0]+(u[0]-c[0])*s;break;default:for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};if(Object.assign(t,Ms,n),!t.empty&&!t.values&&!t.size)throw new TypeError("Cannot create vtkDataArray object without: size > 0, values");if(t.values?Array.isArray(t.values)&&(t.values=it(t.dataType,t.values)):t.values=at(t.dataType,t.size),t.values&&(t.size=t.size??t.values.length,t.dataType=Is(t.values)),yt(e,t),St(e,t,["name","numberOfComponents"]),t.size%t.numberOfComponents!=0)throw new RangeError("model.size is not a multiple of model.numberOfComponents");Os(e,t)}const Vs=Et(Rs,"vtkDataArray");var Es={newInstance:Vs,extend:Rs,...ws,...bs};function Ds(e,t){t.classHierarchy.push("vtkAbstractMapper"),e.update=()=>{e.getInputData()},e.addClippingPlane=n=>!!n.isA("vtkPlane")&&!t.clippingPlanes.includes(n)&&(t.clippingPlanes.push(n),e.modified(),!0),e.getNumberOfClippingPlanes=()=>t.clippingPlanes.length,e.removeAllClippingPlanes=()=>0!==t.clippingPlanes.length&&(t.clippingPlanes.length=0,e.modified(),!0),e.removeClippingPlane=n=>{const r=t.clippingPlanes.indexOf(n);return-1!==r&&(t.clippingPlanes.splice(r,1),e.modified(),!0)},e.getClippingPlanes=()=>t.clippingPlanes,e.setClippingPlanes=t=>{if(t)if(Array.isArray(t)){const n=t.length;for(let r=0;r{const o=t.clippingPlanes,a=e;if(o){const e=o.length;if(n>=0&&n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ls,n),jt.obj(e,t),jt.algo(e,t,1,0),t.clippingPlanes||(t.clippingPlanes=[]),Ds(e,t)};function Ns(e,t){e.getBounds=()=>(jt.vtkErrorMacro("vtkAbstractMapper3D.getBounds - NOT IMPLEMENTED"),Na()),e.getCenter=()=>{const n=e.getBounds();return t.center=Fi.isValid(n)?Fi.getCenter(n):null,t.center?.slice()},e.getLength=()=>{const t=e.getBounds();return Fi.getDiagonalLength(t)}}const ks=e=>({bounds:[...Fi.INIT_BOUNDS],center:[0,0,0],viewSpecificProperties:{},...e});var Fs=function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ks(n)),Bs(e,t,n),jt.setGet(e,t,["viewSpecificProperties"]),Ns(e,t)};const{vtkErrorMacro:_s,vtkWarningMacro:Gs}=jt;function Us(e,t){t.classHierarchy.push("vtkFieldData");const n=e.getState;t.arrays&&(t.arrays=t.arrays.map((e=>({data:We(e.data)})))),e.initialize=()=>{e.initializeFields(),e.copyAllOn(),e.clearFieldFlags()},e.initializeFields=()=>{t.arrays=[],t.copyFieldFlags={},e.modified()},e.copyStructure=n=>{e.initializeFields(),t.copyFieldFlags=n.getCopyFieldFlags().map((e=>e)),t.arrays=n.arrays().map((e=>({array:e})))},e.getNumberOfArrays=()=>t.arrays.length,e.getNumberOfActiveArrays=()=>t.arrays.length,e.addArray=n=>{const r=n.getName(),{array:o,index:a}=e.getArrayWithIndex(r);return null!=o?(t.arrays[a]={data:n},a):(t.arrays=[].concat(t.arrays,{data:n}),t.arrays.length-1)},e.removeAllArrays=()=>{t.arrays=[]},e.removeArray=n=>{const r=t.arrays.findIndex((e=>e.data.getName()===n));return e.removeArrayByIndex(r)},e.removeArrayByIndex=e=>-1!==e&&et.arrays.map((e=>e.data)),e.getArray=t=>"number"==typeof t?e.getArrayByIndex(t):e.getArrayByName(t),e.getArrayByName=e=>t.arrays.reduce(((t,n,r)=>n.data.getName()===e?n.data:t),null),e.getArrayWithIndex=e=>{const n=t.arrays.findIndex((t=>t.data.getName()===e));return{array:-1!==n?t.arrays[n].data:null,index:n}},e.getArrayByIndex=e=>e>=0&&ee.getArrayWithIndex(t).index>=0,e.getArrayName=e=>{const n=t.arrays[e];return n?n.data.getName():""},e.getCopyFieldFlags=()=>t.copyFieldFlags,e.getFlag=e=>t.copyFieldFlags[e],e.passData=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:-1,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:-1;n.getArrays().forEach((a=>{const i=e.getFlag(a.getName());if(!1!==i&&(!t.doCopyAllOff||!0===i)&&a){let t=e.getArrayByName(a.getName());if(t)if(a.getNumberOfComponents()===t.getNumberOfComponents())if(r>-1&&r-1?o:r;t.insertTuple(e,a.getTuple(r))}else t.insertTuples(0,a.getTuples());else _s("Unhandled case in passData");else if(r<0||r>a.getNumberOfTuples())e.addArray(a),n.getAttributes(a).forEach((t=>{e.setAttribute(a,t)}));else{const i=a.getNumberOfComponents();let s=a.getNumberOfValues();const l=o>-1?o:r;s<=l*i&&(s=(l+1)*i),t=Es.newInstance({name:a.getName(),dataType:a.getDataType(),numberOfComponents:i,values:jt.newTypedArray(a.getDataType(),s),size:0}),t.insertTuple(l,a.getTuple(r)),e.addArray(t),n.getAttributes(a).forEach((n=>{e.setAttribute(t,n)}))}}}))},e.interpolateData=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:-1,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:-1,a=arguments.length>3&&void 0!==arguments[3]?arguments[3]:-1,i=arguments.length>4&&void 0!==arguments[4]?arguments[4]:.5;n.getArrays().forEach((s=>{const l=e.getFlag(s.getName());if(!1!==l&&(!t.doCopyAllOff||!0===l)&&s){let t=e.getArrayByName(s.getName());if(t)if(s.getNumberOfComponents()===t.getNumberOfComponents())if(r>-1&&r-1?a:r;t.interpolateTuple(e,s,r,s,o,i),Gs("Unexpected case in interpolateData")}else t.insertTuples(s.getTuples());else _s("Unhandled case in interpolateData");else if(r<0||o<0||r>s.getNumberOfTuples())e.addArray(s),n.getAttributes(s).forEach((t=>{e.setAttribute(s,t)}));else{const l=s.getNumberOfComponents();let c=s.getNumberOfValues();const u=a>-1?a:r;c<=u*l&&(c=(u+1)*l),t=Es.newInstance({name:s.getName(),dataType:s.getDataType(),numberOfComponents:l,values:jt.newTypedArray(s.getDataType(),c),size:0}),t.interpolateTuple(u,s,r,s,o,i),e.addArray(t),n.getAttributes(s).forEach((n=>{e.setAttribute(t,n)}))}}}))},e.copyFieldOn=e=>{t.copyFieldFlags[e]=!0},e.copyFieldOff=e=>{t.copyFieldFlags[e]=!1},e.copyAllOn=()=>{t.doCopyAllOn&&!t.doCopyAllOff||(t.doCopyAllOn=!0,t.doCopyAllOff=!1,e.modified())},e.copyAllOff=()=>{!t.doCopyAllOn&&t.doCopyAllOff||(t.doCopyAllOn=!1,t.doCopyAllOff=!0,e.modified())},e.clearFieldFlags=()=>{t.copyFieldFlags={}},e.deepCopy=e=>{t.arrays=e.getArrays().map((e=>{const t=e.newClone();return t.deepCopy(e),{data:t}}))},e.copyFlags=e=>e.getCopyFieldFlags().map((e=>e)),e.reset=()=>t.arrays.forEach((e=>e.data.reset())),e.getMTime=()=>t.arrays.reduce(((e,t)=>t.data.getMTime()>e?t.data.getMTime():e),t.mtime),e.getNumberOfComponents=()=>t.arrays.reduce(((e,t)=>e+t.data.getNumberOfComponents()),0),e.getNumberOfTuples=()=>t.arrays.length>0?t.arrays[0].getNumberOfTuples():0,e.getState=()=>{const e=n();return e&&(e.arrays=t.arrays.map((e=>({data:e.data.getState()})))),e}}const zs={arrays:[],copyFieldFlags:[],doCopyAllOn:!0,doCopyAllOff:!1};function Ws(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,zs,n),jt.obj(e,t),Us(e,t)}var Hs={newInstance:jt.newInstance(Ws,"vtkFieldData"),extend:Ws},js={AttributeCopyOperations:{COPYTUPLE:0,INTERPOLATE:1,PASSDATA:2,ALLCOPY:3},AttributeLimitTypes:{MAX:0,EXACT:1,NOLIMIT:2},AttributeTypes:{SCALARS:0,VECTORS:1,NORMALS:2,TCOORDS:3,TENSORS:4,GLOBALIDS:5,PEDIGREEIDS:6,EDGEFLAG:7,NUM_ATTRIBUTES:8},CellGhostTypes:{DUPLICATECELL:1,HIGHCONNECTIVITYCELL:2,LOWCONNECTIVITYCELL:4,REFINEDCELL:8,EXTERIORCELL:16,HIDDENCELL:32},DesiredOutputPrecision:{DEFAULT:0,SINGLE:1,DOUBLE:2},PointGhostTypes:{DUPLICATEPOINT:1,HIDDENPOINT:2},ghostArrayName:"vtkGhostType"};const{AttributeTypes:Ks,AttributeCopyOperations:$s}=js,{vtkWarningMacro:qs}=jt;function Xs(e,t){const n=["Scalars","Vectors","Normals","TCoords","Tensors","GlobalIds","PedigreeIds"];function r(e){let t=n.find((t=>Ks[t.toUpperCase()]===e||"number"!=typeof e&&t.toLowerCase()===e.toLowerCase()));return void 0===t&&(t=null),t}t.classHierarchy.push("vtkDataSetAttributes");const 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r=e.getNumberOfTuples(),o=e.getNumberOfComponents(),a=t.getData(),i=e.getData();for(let e=0;e{let i=e.getVectorMode(),s=a,l=o;const c=t.getNumberOfComponents();i===xl.COMPONENT?(-1===l&&(l=e.getVectorComponent()),l<0&&(l=0),l>=c&&(l=c-1)):(-1===s&&(s=e.getVectorSize()),s<=0?(l=0,s=c):(l<0&&(l=0),l>=c&&(l=c-1),l+s>c&&(s=c-l)),i!==xl.MAGNITUDE||1!==c&&1!==s||(i=xl.COMPONENT));let u=0;switch(l>0&&(u=l),i){case xl.COMPONENT:e.mapScalarsThroughTable(t,n,r,u);break;case xl.RGBCOLORS:break;case xl.MAGNITUDE:default:{const o=Es.newInstance({numberOfComponents:1,values:new Float32Array(t.getNumberOfTuples())});e.mapVectorsToMagnitude(t,o,s),e.mapScalarsThroughTable(o,n,r,0);break}}},e.luminanceToRGBA=(e,t,n,r)=>{const o=r(n),a=t.getData(),i=e.getData(),s=a.length;let l=0;for(let e=0;e{const o=t.getData(),a=e.getData(),i=o.length;let s=0;for(let e=0;e{const o=Al(n),a=t.getData(),i=e.getData(),s=a.length;let l=0;for(let e=0;e{const o=t.getData(),a=e.getData(),i=o.length;let s=0;for(let 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wl={alpha:1,vectorComponent:0,vectorSize:-1,vectorMode:xl.COMPONENT,mappingRange:null,annotationArray:null,annotatedValueMap:null,indexedLookup:!1};function Ol(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,wl,n),jt.obj(e,t),t.mappingRange=[0,255],t.annotationArray=[],t.annotatedValueMap=[],jt.setGet(e,t,["vectorSize","vectorComponent","vectorMode","alpha","indexedLookup"]),jt.setArray(e,t,["mappingRange"],2),jt.getArray(e,t,["mappingRange"]),Il(e,t)}var Ml={newInstance:jt.newInstance(Ol,"vtkScalarsToColors"),extend:Ol,...hl};const{vtkErrorMacro:Rl}=jt;function Vl(e,t){t.classHierarchy.push("vtkLookupTable"),e.isOpaque=()=>{if(t.opaqueFlagBuildTime.getMTime()!1,e.getNumberOfAvailableColors=()=>t.table.length/4,e.linearIndexLookup=(e,t)=>{let n=0;const r=Number(e);return rt.range[1]?n=t.maxIndex+1+1.5:(n=(r+t.shift)*t.scale,n=n{let o=0;o=Ba(t)?Math.floor(r.maxIndex+1.5+2):e.linearIndexLookup(t,r);const a=4*o;return 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e=0;e<=i;e++)s[0]=t.hueRange[0]+e*n,s[1]=t.saturationRange[0]+e*r,s[2]=t.valueRange[0]+e*o,Ca(s,l),l[3]=t.alphaRange[0]+e*a,t.table[4*e]=255*l[0]+.5,t.table[4*e+1]=255*l[1]+.5,t.table[4*e+2]=255*l[2]+.5,t.table[4*e+3]=255*l[3]+.5;e.buildSpecialColors(),t.buildTime.modified()},e.setTable=n=>{if(Array.isArray(n)){const r=n[0].length;t.numberOfColors=n.length;const o=4-r;let a=0;for(let e=0;e{const{numberOfColors:e}=t,n=t.table;let r=4*(e+0);t.useBelowRangeColor||0===e?(n[r]=255*t.belowRangeColor[0]+.5,n[r+1]=255*t.belowRangeColor[1]+.5,n[r+2]=255*t.belowRangeColor[2]+.5,n[r+3]=255*t.belowRangeColor[3]+.5):(n[r]=n[0],n[r+1]=n[1],n[r+2]=n[2],n[r+3]=n[3]),r=4*(e+1),t.useAboveRangeColor||0===e?(n[r]=255*t.aboveRangeColor[0]+.5,n[r+1]=255*t.aboveRangeColor[1]+.5,n[r+2]=255*t.aboveRangeColor[2]+.5,n[r+3]=255*t.aboveRangeColor[3]+.5):(n[r]=n[4*(e-1)+0],n[r+1]=n[4*(e-1)+1],n[r+2]=n[4*(e-1)+2],n[r+3]=n[4*(e-1)+3]),r=4*(e+2),n[r]=255*t.nanColor[0]+.5,n[r+1]=255*t.nanColor[1]+.5,n[r+2]=255*t.nanColor[2]+.5,n[r+3]=255*t.nanColor[3]+.5},e.build=()=>{(t.table.length<1||e.getMTime()>t.buildTime.getMTime()&&t.insertTime.getMTime()<=t.buildTime.getMTime())&&e.forceBuild()},t.table.length>0&&(e.buildSpecialColors(),t.insertTime.modified())}const El={numberOfColors:256,hueRange:[0,.66667],saturationRange:[1,1],valueRange:[1,1],alphaRange:[1,1],nanColor:[.5,0,0,1],belowRangeColor:[0,0,0,1],aboveRangeColor:[1,1,1,1],useAboveRangeColor:!1,useBelowRangeColor:!1,alpha:1};function Dl(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,El,n),Ml.extend(e,t,n),t.table||(t.table=[]),t.buildTime={},jt.obj(t.buildTime),t.opaqueFlagBuildTime={},jt.obj(t.opaqueFlagBuildTime,{mtime:0}),t.insertTime={},jt.obj(t.insertTime,{mtime:0}),jt.get(e,t,["buildTime"]),jt.setGet(e,t,["numberOfColors","useAboveRangeColor","useBelowRangeColor"]),jt.setArray(e,t,["alphaRange","hueRange","saturationRange","valueRange"],2),jt.setArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"],4),jt.getArray(e,t,["hueRange","saturationRange","valueRange","alphaRange","nanColor","belowRangeColor","aboveRangeColor"]),Vl(e,t)}var Ll={newInstance:jt.newInstance(Dl,"vtkLookupTable"),extend:Dl};let Bl=1,Nl=0;const kl=["VTK_RESOLVE_OFF","VTK_RESOLVE_POLYGON_OFFSET"];function Fl(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;Nl=e}var _l={getResolveCoincidentTopologyAsString:function(){return kl[Nl]},getResolveCoincidentTopologyPolygonOffsetFaces:function(){return Bl},getResolveCoincidentTopology:function(){return Nl},setResolveCoincidentTopology:Fl,setResolveCoincidentTopologyPolygonOffsetFaces:function(e){Bl=e},setResolveCoincidentTopologyToDefault:function(){Fl(0)},setResolveCoincidentTopologyToOff:function(){Fl(0)},setResolveCoincidentTopologyToPolygonOffset:function(){Fl(1)}};function Gl(e,t,n){n.forEach((n=>{e[`get${n.method}`]=()=>t[n.key],e[`set${n.method}`]=(e,r)=>{t[n.key]={factor:e,offset:r}}}))}const Ul=["Polygon","Line","Point"],zl={};Gl(zl,{Polygon:{factor:2,offset:0},Line:{factor:1,offset:-1},Point:{factor:0,offset:-2}},Ul.map((e=>({key:e,method:`ResolveCoincidentTopology${e}OffsetParameters`}))));var Wl={implementCoincidentTopologyMethods:function(e,t){void 0===t.resolveCoincidentTopology&&(t.resolveCoincidentTopology=!1),jt.setGet(e,t,["resolveCoincidentTopology"]),t.topologyOffset={Polygon:{factor:0,offset:0},Line:{factor:0,offset:0},Point:{factor:0,offset:0}},Object.keys(_l).forEach((t=>{e[t]=_l[t]})),Object.keys(zl).forEach((t=>{e[t]=zl[t]})),Gl(e,t.topologyOffset,Ul.map((e=>({key:e,method:`RelativeCoincidentTopology${e}OffsetParameters`})))),e.getCoincidentTopologyPolygonOffsetParameters=()=>{const t=zl.getResolveCoincidentTopologyPolygonOffsetParameters(),n=e.getRelativeCoincidentTopologyPolygonOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyLineOffsetParameters=()=>{const t=zl.getResolveCoincidentTopologyLineOffsetParameters(),n=e.getRelativeCoincidentTopologyLineOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyPointOffsetParameter=()=>{const t=zl.getResolveCoincidentTopologyPointOffsetParameters(),n=e.getRelativeCoincidentTopologyPointOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}}},staticOffsetAPI:zl,otherStaticMethods:_l,CATEGORIES:Ul};const Hl={MIN_KNOWN_PASS:0,ACTOR_PASS:0,COMPOSITE_INDEX_PASS:1,ID_LOW24:2,ID_HIGH24:3,MAX_KNOWN_PASS:3};var jl={PassTypes:Hl};const{FieldAssociations:Kl}=al,{staticOffsetAPI:$l,otherStaticMethods:ql}=Wl,{ColorMode:Xl,ScalarMode:Yl,GetArray:Zl}=yl,{VectorMode:Ql}=hl,{VtkDataTypes:Jl}=Es;function ec(e){return()=>jt.vtkErrorMacro(`vtkMapper::${e} - NOT IMPLEMENTED`)}function tc(e,t){t.classHierarchy.push("vtkMapper"),e.getBounds=()=>{const n=e.getInputData();return n?(t.static||e.update(),t.bounds=n.getBounds()):t.bounds=Na(),t.bounds},e.setForceCompileOnly=e=>{t.forceCompileOnly=e},e.setSelectionWebGLIdsToVTKIds=e=>{t.selectionWebGLIdsToVTKIds=e},e.createDefaultLookupTable=()=>{t.lookupTable=Ll.newInstance()},e.getColorModeAsString=()=>jt.enumToString(Xl,t.colorMode),e.setColorModeToDefault=()=>e.setColorMode(0),e.setColorModeToMapScalars=()=>e.setColorMode(1),e.setColorModeToDirectScalars=()=>e.setColorMode(2),e.getScalarModeAsString=()=>jt.enumToString(Yl,t.scalarMode),e.setScalarModeToDefault=()=>e.setScalarMode(0),e.setScalarModeToUsePointData=()=>e.setScalarMode(1),e.setScalarModeToUseCellData=()=>e.setScalarMode(2),e.setScalarModeToUsePointFieldData=()=>e.setScalarMode(3),e.setScalarModeToUseCellFieldData=()=>e.setScalarMode(4),e.setScalarModeToUseFieldData=()=>e.setScalarMode(5),e.getAbstractScalars=(e,n,r,o,a)=>{if(!e||!t.scalarVisibility)return{scalars:null,cellFLag:!1};let i=null,s=!1;if(n===Yl.DEFAULT)i=e.getPointData().getScalars(),i||(i=e.getCellData().getScalars(),s=!0);else if(n===Yl.USE_POINT_DATA)i=e.getPointData().getScalars();else if(n===Yl.USE_CELL_DATA)i=e.getCellData().getScalars(),s=!0;else if(n===Yl.USE_POINT_FIELD_DATA){const t=e.getPointData();i=r===Zl.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}else if(n===Yl.USE_CELL_FIELD_DATA){const t=e.getCellData();s=!0,i=r===Zl.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}else if(n===Yl.USE_FIELD_DATA){const t=e.getFieldData();i=r===Zl.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}return{scalars:i,cellFlag:s}},e.mapScalars=(n,r)=>{const o=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!o)return t.colorCoordinates=null,t.colorTextureMap=null,void(t.colorMapColors=null);const a=`${e.getMTime()}${o.getMTime()}${r}`;if(t.colorBuildString!==a){if(t.useLookupTableScalarRange||e.getLookupTable().setRange(t.scalarRange[0],t.scalarRange[1]),e.canUseTextureMapForColoring(n))e.mapScalarsToTexture(o,r);else{t.colorCoordinates=null,t.colorTextureMap=null;const n=e.getLookupTable();n&&(n.build(),t.colorMapColors=n.mapScalars(o,t.colorMode,t.fieldDataTupleId))}t.colorBuildString=`${e.getMTime()}${o.getMTime()}${r}`}},e.scalarToTextureCoordinate=(e,t,n)=>{let r=.5,o=1;return Ba(e)||(o=.49,r=(e-t)*n,r>1e3?r=1e3:r<-1e3&&(r=-1e3)),{texCoordS:r,texCoordT:o}},e.createColorTextureCoordinates=(t,n,r,o,a,i,s,l,c)=>{const u=(i[1]-i[0])/l,d=[];d[0]=i[0]-u,d[1]=i[1]+u;const p=1/(d[1]-d[0]),f=n.getData(),g=t.getData();let m=0,h=0;if(a<0||a>=o)for(let t=0;t{const o=t.lookupTable.getRange(),a=t.lookupTable.usingLogScale();a&&Ll.getLogRange(o,o);const i=t.lookupTable.getAlpha();if(t.colorMapColors=null,null==t.colorTextureMap||e.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getAlpha()!==r){t.lookupTable.setAlpha(r),t.colorTextureMap=null,t.lookupTable.build();let e=t.lookupTable.getNumberOfAvailableColors();e>4094&&(e=4094),e<64&&(e=64),e+=2;const n=(o[1]-o[0])/(e-2),s=new Float64Array(2*e);for(let t=0;tt.colorCoordinates.getMTime()||e.getInputData(0).getMTime()>t.colorCoordinates.getMTime()||t.lookupTable.getMTime()>t.colorCoordinates.getMTime()){t.colorCoordinates=null;const r=n.getNumberOfComponents(),i=n.getNumberOfTuples();t.colorCoordinates=Es.newInstance({numberOfComponents:2,values:new Float32Array(2*i)});let s=t.lookupTable.getVectorComponent();t.lookupTable.getVectorMode()===Ql.MAGNITUDE&&n.getNumberOfComponents()>1&&(s=-1),e.createColorTextureCoordinates(n,t.colorCoordinates,i,r,s,o,t.lookupTable.getRange(),t.colorTextureMap.getPointData().getScalars().getNumberOfTuples()/2-2,a)}},e.getIsOpaque=()=>{const n=e.getInputData(),r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!t.scalarVisibility||null==r)return!0;const o=e.getLookupTable();return!o||(o.build(),o.areScalarsOpaque(r,t.colorMode,-1))},e.canUseTextureMapForColoring=n=>{if(!t.interpolateScalarsBeforeMapping)return!1;if(t.lookupTable&&t.lookupTable.getIndexedLookup())return!1;const r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName),o=r.scalars;return!(!o||r.cellFlag||t.colorMode===Xl.DEFAULT&&o.getDataType()===Jl.UNSIGNED_CHAR||t.colorMode===Xl.DIRECT_SCALARS)},e.clearColorArrays=()=>{t.colorMapColors=null,t.colorCoordinates=null,t.colorTextureMap=null},e.getLookupTable=()=>(t.lookupTable||e.createDefaultLookupTable(),t.lookupTable),e.getMTime=()=>{let e=t.mtime;if(null!==t.lookupTable){const n=t.lookupTable.getMTime();e=n>e?n:e}return e},e.getPrimitiveCount=()=>{const t=e.getInputData();return{points:t.getPoints().getNumberOfValues()/3,verts:t.getVerts().getNumberOfValues()-t.getVerts().getNumberOfCells(),lines:t.getLines().getNumberOfValues()-2*t.getLines().getNumberOfCells(),triangles:t.getPolys().getNumberOfValues()-3*t.getPolys().getNumberOfCells()}},e.acquireInvertibleLookupTable=ec("AcquireInvertibleLookupTable"),e.valueToColor=ec("ValueToColor"),e.colorToValue=ec("ColorToValue"),e.useInvertibleColorFor=ec("UseInvertibleColorFor"),e.clearInvertibleColor=ec("ClearInvertibleColor"),e.processSelectorPixelBuffers=(e,n)=>{if(!e||!t.selectionWebGLIdsToVTKIds||!t.populateSelectionSettings)return;const r=e.getRawPixelBuffer(Hl.ID_LOW24),o=e.getRawPixelBuffer(Hl.ID_HIGH24),a=e.getCurrentPass(),i=e.getFieldAssociation();let s=null;i===Kl.FIELD_ASSOCIATION_POINTS?s=t.selectionWebGLIdsToVTKIds.points:i===Kl.FIELD_ASSOCIATION_CELLS&&(s=t.selectionWebGLIdsToVTKIds.cells),s&&n.forEach((t=>{if(a===Hl.ID_LOW24){let n=0;o&&(n+=o[t],n*=256),n+=r[t+2],n*=256,n+=r[t+1],n*=256,n+=r[t];const a=s[n],i=e.getPixelBuffer(Hl.ID_LOW24);i[t]=255&a,i[t+1]=(65280&a)>>8,i[t+2]=(16711680&a)>>16}else if(a===Hl.ID_HIGH24&&o){let n=0;n+=o[t],n*=256,n+=r[t],n*=256,n+=r[t+1],n*=256,n+=r[t+2];const a=s[n];e.getPixelBuffer(Hl.ID_HIGH24)[t]=(4278190080&a)>>24}}))}}const nc={colorMapColors:null,static:!1,lookupTable:null,scalarVisibility:!0,scalarRange:[0,1],useLookupTableScalarRange:!1,colorMode:0,scalarMode:0,arrayAccessMode:1,renderTime:0,colorByArrayName:null,fieldDataTupleId:-1,populateSelectionSettings:!0,selectionWebGLIdsToVTKIds:null,interpolateScalarsBeforeMapping:!1,colorCoordinates:null,colorTextureMap:null,forceCompileOnly:0,useInvertibleColors:!1,invertibleScalars:null,customShaderAttributes:[]};function rc(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,nc,n),Fs(e,t,n),jt.get(e,t,["colorCoordinates","colorMapColors","colorTextureMap","selectionWebGLIdsToVTKIds"]),jt.setGet(e,t,["colorByArrayName","arrayAccessMode","colorMode","fieldDataTupleId","interpolateScalarsBeforeMapping","lookupTable","populateSelectionSettings","renderTime","scalarMode","scalarVisibility","static","useLookupTableScalarRange","customShaderAttributes"]),jt.setGetArray(e,t,["scalarRange"],2),Wl.implementCoincidentTopologyMethods(e,t),tc(e,t)}var oc={newInstance:jt.newInstance(rc,"vtkMapper"),extend:rc,...$l,...ql,...yl};function ac(e){let t=0;return e.filter(((e,n)=>n===t&&(t+=e+1,!0)))}function ic(e){let t=0;for(let n=0;nvoid 0===t.numberOfCells||n?(t.cellSizes?t.numberOfCells=t.cellSizes.length:t.numberOfCells=ic(e.getData()),t.numberOfCells):t.numberOfCells,e.getCellSizes=n=>void 0===t.cellSizes||n?(t.cellSizes=ac(e.getData()),t.cellSizes):t.cellSizes,e.resize=r=>{const o=e.getNumberOfTuples();n.resize(r);const a=e.getNumberOfTuples();a{n.setData(e,1),t.numberOfCells=void 0,t.cellSizes=void 0},e.getCell=e=>{let n=e;const r=t.values[n++];return t.values.subarray(n,n+r)},e.insertNextCell=n=>{const r=e.getNumberOfCells();return e.insertNextTuples([n.length,...n]),++t.numberOfCells,null!=t.cellSizes&&t.cellSizes.push(n.length),r}}function cc(e){return{empty:!0,numberOfComponents:1,dataType:ys.UNSIGNED_INT,...e}}function uc(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Es.extend(e,t,cc(n)),lc(e,t)}var dc={newInstance:jt.newInstance(uc,"vtkCellArray"),extend:uc,...sc};const{vtkErrorMacro:pc}=jt,fc=[1,-1,1,-1,1,-1];function gc(e,t){t.classHierarchy.push("vtkPoints"),e.getNumberOfPoints=e.getNumberOfTuples,e.setNumberOfPoints=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:3;e.getNumberOfPoints()!==n&&(t.size=n*r,t.values=jt.newTypedArray(t.dataType,t.size),e.setNumberOfComponents(r),e.modified())},e.setPoint=function(t){for(var n=arguments.length,r=new 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yc(e,t){t.classHierarchy.push("vtkCell"),e.initialize=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(n){t.pointsIds=n;let r=t.points.getData();r.length!==3*t.pointsIds.length&&(r=jt.newTypedArray(e.getDataType(),3*t.pointsIds.length));const o=e.getData();t.pointsIds.forEach(((e,t)=>{let n=3*e,a=3*t;r[a]=o[n],r[++a]=o[++n],r[++a]=o[++n]})),t.points.setData(r)}else{t.points=e,t.pointsIds=new Array(e.getNumberOfPoints());for(let n=e.getNumberOfPoints()-1;n>=0;--n)t.pointsIds[n]=n}},e.getBounds=()=>{const e=t.points.getNumberOfPoints(),n=[];if(e){t.points.getPoint(0,n),t.bounds[0]=n[0],t.bounds[1]=n[0],t.bounds[2]=n[1],t.bounds[3]=n[1],t.bounds[4]=n[2],t.bounds[5]=n[2];for(let r=1;rt.bounds[1]?n[0]:t.bounds[1],t.bounds[2]=n[1]t.bounds[3]?n[1]:t.bounds[3],t.bounds[4]=n[2]t.bounds[5]?n[2]:t.bounds[5]}else wa(t.bounds);return t.bounds},e.getLength2=()=>{e.getBounds();let n=0,r=0;for(let e=0;e<3;e++)r=t.bounds[2*e+1]-t.bounds[2*e],n+=r*r;return 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t=0;t{e.insertCellReference(n,a[n]++,t)}))}}else{for(let t=0;t{e.incrementLinkCount(t)}));e.allocateLinks(r),t.maxId=r-1;for(let t=0;t{e.insertCellReference(n,a[n]++,t)}))}},e.allocate=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1e3;t.array=Array(e).fill().map((()=>({ncells:0,cells:null}))),t.extend=n,t.maxId=-1},e.initialize=()=>{t.array=null},e.getLink=e=>t.array[e],e.getNcells=e=>t.array[e].ncells,e.getCells=e=>t.array[e].cells,e.insertNextPoint=e=>{t.array.push({ncells:e,cells:Array(e)}),++t.maxId},e.insertNextCellReference=(e,n)=>{t.array[e].cells[t.array[e].ncells++]=n},e.deletePoint=e=>{t.array[e].ncells=0,t.array[e].cells=null},e.removeCellReference=(e,n)=>{t.array[n].cells=t.array[n].cells.filter((t=>t!==e)),t.array[n].ncells=t.array[n].cells.length},e.addCellReference=(e,n)=>{t.array[n].cells[t.array[n].ncells++]=e},e.resizeCellList=(e,n)=>{t.array[e].cells.length=n},e.squeeze=()=>{!function(e,t){let 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n=t.camera.getCompositeProjectionMatrix(t.lastAspectRatio,-1,1);m(n,n);const r=t.renderable.getTextValues().length,o=4*r,a=2*r,i=new Float64Array(3*o),s=new Uint16Array(4*a),l=new Float32Array(2*o);h(Du,n);const c={ptIdx:0,cellIdx:0,polys:s,points:i,tcoords:l};let u=0,d=0,p=0;const f=t.renderable.getTextPolyData().getPoints().getData(),g=t.renderable.getTextValues();for(;u{t.lastSize[0]===n[0]&&t.lastSize[1]===n[1]||(t.lastSize[0]=n[0],t.lastSize[1]=n[1],t.lastAspectRatio=n[0]/n[1],t.forceUpdate=!0),t.camera=r,e.updateTexturePolyData()}}const Nu=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{renderable:null};Object.assign(t,{},n),jt.obj(e,t),t.tmPolyData=hu.newInstance(),t.tmMapper=oc.newInstance(),t.tmMapper.setInputData(t.tmPolyData),t.tmActor=hs.newInstance({parentProp:e}),t.tmActor.setMapper(t.tmMapper),jt.setGet(e,t,["renderable"]),jt.get(e,t,["lastSize","lastAspectRatio","axisTextStyle","tickTextStyle","tmActor","ticks"]),t.forceUpdate=!1,t.lastRedrawTime={},jt.obj(t.lastRedrawTime,{mtime:0}),t.lastRebuildTime={},jt.obj(t.lastRebuildTime,{mtime:0}),t.lastSize=[-1,-1],t.lastTickBounds=[],Bu(e,t)}),"vtkCubeAxesActorHelper");function ku(e,t){t.classHierarchy.push("vtkCubeAxesActor"),e.setCamera=n=>{t.camera!==n&&(t.cameraModifiedSub&&(t.cameraModifiedSub.unsubscribe(),t.cameraModifiedSub=null),t.camera=n,n&&(t.cameraModifiedSub=n.onModified(e.update)),e.update(),e.modified())},e.computeFacesToDraw=()=>{const e=t.camera.getViewMatrix();m(e,e);let n=!1;const r=Fi.getDiagonalLength(t.dataBounds),o=Math.sin(t.faceVisibilityAngle*Math.PI/180);for(let a=0;a<6;a++){let i=!1;const s=Math.floor(a/2),l=(s+1)%3,c=(s+2)%3;t.dataBounds[2*l]!==t.dataBounds[2*l+1]&&t.dataBounds[2*c]!==t.dataBounds[2*c+1]&&(wu[s]=t.dataBounds[a]-.1*r*Cu[a][s],wu[l]=.5*(t.dataBounds[2*l]+t.dataBounds[2*l+1]),wu[c]=.5*(t.dataBounds[2*c]+t.dataBounds[2*c+1]),Dn(Mu,wu,e),wu[s]=t.dataBounds[a],Dn(Ru,wu,e),wn(Mu,Ru,Mu),Rn(Mu,Mu),i=Mu[2]>o,t.camera.getParallelProjection()||(Rn(Ru,Ru),i=Vn(Ru,Mu)>o)),i!==t.lastFacesToDraw[a]&&(t.lastFacesToDraw[a]=i,n=!0)}return n},e.updatePolyData=(e,n,r)=>{let o=0,a=0;o+=8;let i=0;for(let e=0;e<12;e++)n[e]>0&&i++;if(a+=i,t.gridLines)for(let t=0;t<6;t++)e[t]&&(o+=2*r[Iu[t][0]].length+2*r[Iu[t][1]].length,a+=r[Iu[t][0]].length+r[Iu[t][1]].length);const s=new Float64Array(3*o),l=new Uint32Array(3*a);let c=0,u=0;for(let e=0;e<2;e++)for(let n=0;n<2;n++)for(let r=0;r<2;r++)s[3*c]=t.dataBounds[r],s[3*c+1]=t.dataBounds[2+n],s[3*c+2]=t.dataBounds[4+e],c++;for(let e=0;e<12;e++)n[e]>0&&(l[3*u]=2,l[3*u+1]=Pu[e][0],l[3*u+2]=Pu[e][1],u++);if(t.gridLines)for(let n=0;n<6;n++)if(e[n]){const e=Math.floor(n/2);let o=r[Iu[n][0]];for(let r=0;r{let a=0;for(let e=0;e<12;e++)1===n[e]&&(a+=2,a+=r[Au[e]].length);const i=t.polyData.getPoints().getData(),s=new Float64Array(3*a);let l=0,c=0,u=0;for(let a=0;a<6;a++)if(e[a])for(let e=0;e<4;e++){const d=Su[a][e];if(1===n[d]){const e=Au[d],n=3*Pu[d][0],p=3*Pu[d][1];s[3*l]=.5*(i[n]+i[p]),s[3*l+1]=.5*(i[n+1]+i[p+1]),s[3*l+2]=.5*(i[n+2]+i[p+2]),l++,s[3*l+Math.floor(a/2)]=t.dataBounds[a],s[3*l+Iu[a][0]]=.5*(t.dataBounds[2*Iu[a][0]]+t.dataBounds[2*Iu[a][0]+1]),s[3*l+Iu[a][1]]=.5*(t.dataBounds[2*Iu[a][1]]+t.dataBounds[2*Iu[a][1]+1]),l++,t.textValues[c]=t.axisLabels[e],c++;const f=(e+1)%3,g=(e+2)%3,m=r[e],h=o[e];t.tickCounts[u]=m.length;for(let r=0;r{if(!t.camera)return;const n=e.computeFacesToDraw(),r=t.lastFacesToDraw;let o=!1;for(let e=0;e<6;e++)t.dataBounds[e]!==t.lastTickBounds[e]&&(o=!0,t.lastTickBounds[e]=t.dataBounds[e]);if(n||o||t.forceUpdate){const n=new Array(12).fill(0);for(let e=0;e<6;e++)if(r[e])for(let t=0;t<4;t++)n[Su[e][t]]++;const a=[],i=[];for(let e=0;e<3;e++){const n=mo().domain([t.dataBounds[2*e],t.dataBounds[2*e+1]]);a[e]=n.ticks(5);const r=n.tickFormat(5);i[e]=a[e].map(r)}e.updatePolyData(r,n,a),e.updateTextData(r,n,a,i),(o||t.forceUpdate)&&e.updateTextureAtlas(i)}t.forceUpdate=!1},e.updateTextureAtlas=e=>{t.tmContext.textBaseline="bottom",t.tmContext.textAlign="left",t._tmAtlas.clear();let n=0,r=1;for(let o=0;o<3;o++){if(!t._tmAtlas.has(t.axisLabels[o])){Lu(t.tmContext,t.axisTextStyle);const e=t.tmContext.measureText(t.axisLabels[o]),a={height:e.actualBoundingBoxAscent+2,startingHeight:r,width:e.width+2,textStyle:t.axisTextStyle};t._tmAtlas.set(t.axisLabels[o],a),r+=a.height,n{e.tcoords=[0,(r-e.startingHeight-e.height)/r,e.width/n,(r-e.startingHeight-e.height)/r,e.width/n,(r-e.startingHeight)/r,0,(r-e.startingHeight)/r]})),t.tmCanvas.width=n,t.tmCanvas.height=r,t.tmContext.textBaseline="bottom",t.tmContext.textAlign="left",t.tmContext.clearRect(0,0,n,r),t._tmAtlas.forEach(((e,n)=>{Lu(t.tmContext,e.textStyle),t.tmContext.fillText(n,1,e.startingHeight+e.height-1)})),t.tmTexture.setCanvas(t.tmCanvas),t.tmTexture.modified()},e.onModified((()=>{t.forceUpdate=!0,e.update()})),e.setTickTextStyle=n=>{t.tickTextStyle={...t.tickTextStyle,...n},e.modified()},e.setAxisTextStyle=n=>{t.axisTextStyle={...t.axisTextStyle,...n},e.modified()},e.get_tmAtlas=()=>t._tmAtlas,e.getBounds=()=>(e.update(),Fi.setBounds(t.bounds,t.gridActor.getBounds()),Fi.scaleAboutCenter(t.bounds,t.boundsScaleFactor,t.boundsScaleFactor,t.boundsScaleFactor),t.bounds);const n=jt.chain(e.setProperty,t.gridActor.setProperty);e.setProperty=e=>n(e)[0]}function Fu(e){return{boundsScaleFactor:1.3,camera:null,dataBounds:[...Fi.INIT_BOUNDS],faceVisibilityAngle:8,gridLines:!0,axisLabels:null,axisTitlePixelOffset:35,axisTextStyle:{fontColor:"white",fontStyle:"normal",fontSize:18,fontFamily:"serif"},tickLabelPixelOffset:12,tickTextStyle:{fontColor:"white",fontStyle:"normal",fontSize:14,fontFamily:"serif"},...e}}function _u(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fu(n)),hs.extend(e,t,n),t.lastFacesToDraw=[!1,!1,!1,!1,!1,!1],t.axisLabels=["X-Axis","Y-Axis","Z-Axis"],t.tickCounts=[],t.textValues=[],t.lastTickBounds=[],t.tmCanvas=document.createElement("canvas"),t.tmContext=t.tmCanvas.getContext("2d"),t._tmAtlas=new Map,t.tmTexture=Tu.newInstance(),t.tmTexture.setInterpolate(!1),e.getProperty().setDiffuse(0),e.getProperty().setAmbient(1),t.gridMapper=oc.newInstance(),t.polyData=hu.newInstance(),t.gridMapper.setInputData(t.polyData),t.gridActor=hs.newInstance(),t.gridActor.setMapper(t.gridMapper),t.gridActor.setProperty(e.getProperty()),t.gridActor.setParentProp(e),t.textPolyData=hu.newInstance(),jt.setGet(e,t,["axisTitlePixelOffset","boundsScaleFactor","faceVisibilityAngle","gridLines","tickLabelPixelOffset"]),jt.setGetArray(e,t,["dataBounds"],6),jt.setGetArray(e,t,["axisLabels"],3),jt.get(e,t,["axisTextStyle","tickTextStyle","camera","tmTexture","textValues","textPolyData","tickCounts","gridActor"]),ku(e,t)}var Gu={newInstance:jt.newInstance(_u,"vtkCubeAxesActor"),extend:_u,newCubeAxesActorHelper:Nu};function Uu(e,t){t.classHierarchy.push("vtkOpenGLCubeAxesActor"),e.buildPass=n=>{n&&(t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.CubeAxesActorHelper.getRenderable()||t.CubeAxesActorHelper.setRenderable(t.renderable),e.prepareNodes(),e.addMissingNode(t.CubeAxesActorHelper.getTmActor()),e.addMissingNode(t.renderable.getGridActor()),e.removeUnusedNodes())},e.opaquePass=(e,n)=>{if(e){const e=t._openGLRenderer?t._openGLRenderer.getRenderable().getActiveCamera():null,n=t._openGLRenderer.getTiledSizeAndOrigin();t.CubeAxesActorHelper.updateAPISpecificData([n.usize,n.vsize],e,t._openGLRenderWindow.getRenderable())}}}const zu={};const Wu=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,zu,n),Zt.extend(e,t,n),t.CubeAxesActorHelper=Gu.newCubeAxesActorHelper(),Uu(e,t)}),"vtkOpenGLCubeAxesActor");rn("vtkCubeAxesActor",Wu);const Hu={ARRAY_BUFFER:0,ELEMENT_ARRAY_BUFFER:1,TEXTURE_BUFFER:2};var ju={ObjectType:Hu};const{ObjectType:Ku}=ju;function $u(e,t){function n(e){switch(e){case Ku.ELEMENT_ARRAY_BUFFER:return t.context.ELEMENT_ARRAY_BUFFER;case Ku.TEXTURE_BUFFER:if("TEXTURE_BUFFER"in t.context)return t.context.TEXTURE_BUFFER;case Ku.ARRAY_BUFFER:default:return t.context.ARRAY_BUFFER}}t.classHierarchy.push("vtkOpenGLBufferObject");let r=null,o=null,a=!0,i="";e.getType=()=>r,e.setType=e=>{r=e},e.getHandle=()=>o,e.isReady=()=>!1===a,e.generateBuffer=e=>{const a=n(e);return null===o&&(o=t.context.createBuffer(),r=e),n(r)===a},e.upload=(s,l)=>e.generateBuffer(l)?(t.context.bindBuffer(n(r),o),t.context.bufferData(n(r),s,t.context.STATIC_DRAW),t.allocatedGPUMemoryInBytes=s.length*s.BYTES_PER_ELEMENT,a=!1,!0):(i="Trying to upload array buffer to incompatible 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i=arguments.length>4&&void 0!==arguments[4]?arguments[4]:null;if(!n.getData()||!n.getData().length)return t.elementCount=0,0;t.blockSize=3,t.vertexOffset=0,t.normalOffset=0,t.tCoordOffset=0,t.tCoordComponents=0,t.colorComponents=0,t.colorOffset=0,t.customData=[];const s=a.points.getData();let l=null,c=null,u=null;const d=a.colors?a.colors.getNumberOfComponents():0,p=a.tcoords?a.tcoords.getNumberOfComponents():0;a.normals&&(t.normalOffset=4*t.blockSize,t.blockSize+=3,l=a.normals.getData()),a.customAttributes&&a.customAttributes.forEach((e=>{e&&(t.customData.push({data:e.getData(),offset:4*t.blockSize,components:e.getNumberOfComponents(),name:e.getName()}),t.blockSize+=e.getNumberOfComponents())})),a.tcoords&&(t.tCoordOffset=4*t.blockSize,t.tCoordComponents=p,t.blockSize+=p,c=a.tcoords.getData()),a.colors?(t.colorComponents=a.colors.getNumberOfComponents(),t.colorOffset=0,u=a.colors.getData(),t.colorBO||(t.colorBO=Yu.newInstance()),t.colorBO.setOpenGLRenderWindow(t._openGLRenderWindow)):t.colorBO=null,t.stride=4*t.blockSize;let f,g=0,m=0,h=0,v=0,y=0,b=0;const x={anythingToPoints(e,t,n){for(let r=0;r2)for(let r=0;r2){for(let r=0;re,linesToWireframe:(e,t)=>e>1?2*(e-1):0,polysToWireframe:(e,t)=>e>2?2*e:0,stripsToWireframe:(e,t)=>e>2?4*e-6:0,polysToSurface:(e,t)=>e>2?3*(e-2):0,stripsToSurface:(e,t,n)=>e>2?3*(e-2):0};let C=null,S=null;o===rs.POINTS||"verts"===r?(C=x.anythingToPoints,S=T.anythingToPoints):o===rs.WIREFRAME||"lines"===r?(C=x[`${r}ToWireframe`],S=T[`${r}ToWireframe`]):(C=x[`${r}ToSurface`],S=T[`${r}ToSurface`]);const P=n.getData(),A=P.length;let I=0;for(let e=0;e0&&(Math.abs(E)/V>1e6||Math.abs(Math.log10(V))>3||0===V&&E>1e6);if(D){const t=new Float64Array(3),n=new Float64Array(3);for(let e=0;e<3;++e){const r=a.points.getRange(e),o=r[1]-r[0];t[e]=.5*(r[1]+r[0]),n[e]=o>0?1/o:1}e.setCoordShiftAndScale(t,n)}else!0===t.coordShiftAndScaleEnabled&&e.setCoordShiftAndScale(null,null);if(i)if(i.points||i.cells){const e=new Int32Array(I+i.points.length);e.set(i.points),i.points=e;const t=new Int32Array(I+i.cells.length);t.set(i.cells),i.cells=t}else i.points=new Int32Array(I),i.cells=new Int32Array(I);let L=a.vertexOffset;f=function(e){if(i&&(i.points[L]=e,i.cells[L]=b+a.cellOffset),++L,g=3*e,t.coordShiftAndScaleEnabled?(O[M++]=(s[g++]-t.coordShift[0])*t.coordScale[0],O[M++]=(s[g++]-t.coordShift[1])*t.coordScale[1],O[M++]=(s[g++]-t.coordShift[2])*t.coordScale[2]):(O[M++]=s[g++],O[M++]=s[g++],O[M++]=s[g++]),null!==l&&(m=a.haveCellNormals?3*(b+a.cellOffset):3*e,O[M++]=l[m++],O[M++]=l[m++],O[M++]=l[m++]),t.customData.forEach((t=>{y=e*t.components;for(let e=0;e{null===e||e.constructor===Float64Array&&3===e.length?null===n||n.constructor===Float64Array&&3===n.length?(null!==t.coordShift&&null!==e&&Nn(e,t.coordShift)||(t.coordShift=e),null!==t.coordScale&&null!==n&&Nn(n,t.coordScale)||(t.coordScale=n),t.coordShiftAndScaleEnabled=function(e,t){return null!==e&&null!==t&&!(Bn(e,[0,0,0])&&Bn(t,[1,1,1]))}(t.coordShift,t.coordScale),t.coordShiftAndScaleEnabled?t.inverseShiftAndScaleMatrix=function(e,t){const n=new Float64Array(3);Mn(n,t);const r=new Float64Array(16);return k(r,Ui(),e,n),r}(t.coordShift,t.coordScale):t.inverseShiftAndScaleMatrix=null):Zu("Wrong type for coordScale, expected vec3 or null"):Zu("Wrong type for coordShift, expected vec3 or null")}}const Ju={elementCount:0,stride:0,colorBOStride:0,vertexOffset:0,normalOffset:0,tCoordOffset:0,tCoordComponents:0,colorOffset:0,colorComponents:0,tcoordBO:null,customData:[],coordShift:null,coordScale:null,coordShiftAndScaleEnabled:!1,inverseShiftAndScaleMatrix:null};function ed(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ju,n),Yu.extend(e,t,n),jt.setGet(e,t,["colorBO","elementCount","stride","colorBOStride","vertexOffset","normalOffset","tCoordOffset","tCoordComponents","colorOffset","colorComponents","customData"]),jt.get(e,t,["coordShift","coordScale","coordShiftAndScaleEnabled","inverseShiftAndScaleMatrix"]),Qu(e,t)}var td={newInstance:jt.newInstance(ed),extend:ed};const{vtkErrorMacro:nd}=jt;function 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program.",!1):(t.context.detachShader(t.handle,e.getHandle()),t.vertexShaderHandle=0,t.linked=!1,!0);case"Fragment":return t.fragmentShaderHandle!==e.getHandle()?(t.error="The supplied shader was not attached to this program.",!1):(t.context.detachShader(t.handle,e.getHandle()),t.fragmentShaderHandle=0,t.linked=!1,!0);default:return!1}},e.setContext=e=>{t.context=e,t.vertexShader.setContext(e),t.fragmentShader.setContext(e),t.geometryShader.setContext(e)},e.setLastCameraMTime=e=>{t.lastCameraMTime=e}}const cd={vertexShaderHandle:0,fragmentShaderHandle:0,geometryShaderHandle:0,vertexShader:null,fragmentShader:null,geometryShader:null,linked:!1,bound:!1,compiled:!1,error:"",handle:0,numberOfOutputs:0,attributesLocs:null,uniformLocs:null,md5Hash:0,context:null,lastCameraMTime:null};function ud(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,cd,n),t.attributesLocs={},t.uniformLocs={},t.vertexShader=id.newInstance(),t.vertexShader.setShaderType("Vertex"),t.fragmentShader=id.newInstance(),t.fragmentShader.setShaderType("Fragment"),t.geometryShader=id.newInstance(),t.geometryShader.setShaderType("Geometry"),jt.obj(e,t),jt.get(e,t,["lastCameraMTime"]),jt.setGet(e,t,["error","handle","compiled","bound","md5Hash","vertexShader","fragmentShader","geometryShader","linked"]),ld(e,t)}var dd={newInstance:jt.newInstance(ud,"vtkShaderProgram"),extend:ud,substitute:function(e,t,n,r){const o="string"==typeof n?n:n.join("\n"),a=!1===r?t:new RegExp(t,"g"),i=e.replace(a,o);return{replace:i!==o,result:i}}};function pd(e,t){t.classHierarchy.push("vtkOpenGLVertexArrayObject"),e.exposedMethod=()=>{},e.initialize=()=>{t.instancingExtension=null,t._openGLRenderWindow.getWebgl2()||(t.instancingExtension=t.context.getExtension("ANGLE_instanced_arrays")),!t.forceEmulation&&t._openGLRenderWindow&&t._openGLRenderWindow.getWebgl2()?(t.extension=null,t.supported=!0,t.handleVAO=t.context.createVertexArray()):(t.extension=t.context.getExtension("OES_vertex_array_object"),!t.forceEmulation&&t.extension?(t.supported=!0,t.handleVAO=t.extension.createVertexArrayOES()):t.supported=!1)},e.isReady=()=>0!==t.handleVAO||!1===t.supported,e.bind=()=>{if(e.isReady()||e.initialize(),e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(t.handleVAO):t.context.bindVertexArray(t.handleVAO);else if(e.isReady()){const e=t.context;for(let n=0;n0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,1):e.vertexAttribDivisor(o.index+n,1))}}}},e.release=()=>{if(e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(null):t.context.bindVertexArray(null);else if(e.isReady()){const e=t.context;for(let n=0;n0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,0):e.vertexAttribDivisor(o.index+n,0)),e.disableVertexAttribArray(o.index+n)}}}},e.shaderProgramChanged=()=>{e.release(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.handleProgram=0},e.releaseGraphicsResources=()=>{e.shaderProgramChanged(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.supported=!0,t.handleProgram=0},e.addAttributeArray=(t,n,r,o,a,i,s,l)=>e.addAttributeArrayWithDivisor(t,n,r,o,a,i,s,l,0,!1),e.addAttributeArrayWithDivisor=(n,r,o,a,i,s,l,c,u,d)=>{if(!n)return!1;if(!n.isBound()||0===r.getHandle()||r.getType()!==Hu.ARRAY_BUFFER)return!1;if(0===t.handleProgram&&(t.handleProgram=n.getHandle()),e.isReady()||e.initialize(),!e.isReady()||t.handleProgram!==n.getHandle())return!1;const p=t.context,f={};if(f.name=o,f.index=p.getAttribLocation(t.handleProgram,o),f.offset=a,f.stride=i,f.type=s,f.size=l,f.normalize=c,f.isMatrix=d,f.divisor=u,-1===f.Index)return!1;if(r.bind(),p.enableVertexAttribArray(f.index),p.vertexAttribPointer(f.index,f.size,f.type,f.normalize,f.stride,f.offset),u>0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f.index,1):p.vertexAttribDivisor(f.index,1)),f.buffer=r.getHandle(),!t.supported){let e=!1;for(let n=0;n{const d=e.addAttributeArrayWithDivisor(n,r,o,a,i,s,l,c,u,!0);if(!d)return d;const p=t.context,f=p.getAttribLocation(t.handleProgram,o);for(let e=1;e0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f+e,1):p.vertexAttribDivisor(f+e,1));return!0},e.removeAttributeArray=n=>{if(!e.isReady()||0===t.handleProgram)return!1;if(!t.supported)for(let e=0;e{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))}}const fd={forceEmulation:!1,handleVAO:0,handleProgram:0,supported:!0,buffers:null,context:null};function gd(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,fd,n),t.buffers=[],jt.obj(e,t),jt.get(e,t,["supported"]),jt.setGet(e,t,["forceEmulation"]),pd(e,t)}var md={newInstance:jt.newInstance(gd,"vtkOpenGLVertexArrayObject"),extend:gd};const hd={Start:0,Points:0,Lines:1,Tris:2,TriStrips:3,TrisEdges:4,TriStripsEdges:5,End:6};function vd(e,t){t.classHierarchy.push("vtkOpenGLHelper"),e.setOpenGLRenderWindow=e=>{t.context=e.getContext(),t.program.setContext(t.context),t.VAO.setOpenGLRenderWindow(e),t.CABO.setOpenGLRenderWindow(e)},e.releaseGraphicsResources=e=>{t.VAO.releaseGraphicsResources(),t.CABO.releaseGraphicsResources(),t.CABO.setElementCount(0)},e.drawArrays=(n,r,o,a)=>{if(t.CABO.getElementCount()){const i=e.getOpenGLMode(o),s=e.haveWideLines(n,r),l=t.context,c=l.getParameter(l.DEPTH_WRITEMASK);t.pointPicking&&l.depthMask(!1),i===l.LINES&&s?(e.updateShaders(n,r,a),l.drawArraysInstanced(i,0,t.CABO.getElementCount(),2*Math.ceil(r.getProperty().getLineWidth()))):(l.lineWidth(r.getProperty().getLineWidth()),e.updateShaders(n,r,a),l.drawArrays(i,0,t.CABO.getElementCount()),l.lineWidth(1));const u=(i===l.POINTS?1:0)||(i===l.LINES?2:3);return t.pointPicking&&l.depthMask(c),t.CABO.getElementCount()/u}return 0},e.getOpenGLMode=e=>{if(t.pointPicking)return t.context.POINTS;const n=t.primitiveType;return e===rs.POINTS||n===hd.Points?t.context.POINTS:e===rs.WIREFRAME||n===hd.Lines||n===hd.TrisEdges||n===hd.TriStripsEdges?t.context.LINES:t.context.TRIANGLES},e.haveWideLines=(e,n)=>n.getProperty().getLineWidth()>1&&!(t.CABO.getOpenGLRenderWindow()&&t.CABO.getOpenGLRenderWindow().getHardwareMaximumLineWidth()>=n.getProperty().getLineWidth()),e.getNeedToRebuildShaders=(t,n,r)=>!!(r.getNeedToRebuildShaders(e,t,n)||0===e.getProgram()||e.getShaderSourceTime().getMTime(){if(e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};o.buildShaders(a,n,r);const i=t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==e.getProgram()&&(e.setProgram(i),e.getVAO().releaseGraphicsResources()),e.getShaderSourceTime().modified()}else t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgram(e.getProgram());e.getVAO().bind(),o.setMapperShaderParameters(e,n,r),o.setPropertyShaderParameters(e,n,r),o.setCameraShaderParameters(e,n,r),o.setLightingShaderParameters(e,n,r),o.invokeShaderCallbacks(e,n,r)},e.setMapperShaderParameters=(n,r,o)=>{if(e.haveWideLines(n,r)){e.getProgram().setUniform2f("viewportSize",o.usize,o.vsize);const t=parseFloat(r.getProperty().getLineWidth()),n=t/2;e.getProgram().setUniformf("lineWidthStepSize",t/Math.ceil(t)),e.getProgram().setUniformf("halfLineWidth",n)}t.primitiveType===hd.Points||r.getProperty().getRepresentation()===rs.POINTS?e.getProgram().setUniformf("pointSize",r.getProperty().getPointSize()):t.pointPicking&&e.getProgram().setUniformf("pointSize",e.getPointPickingPrimitiveSize())},e.replaceShaderPositionVC=(n,r,o)=>{let a=n.Vertex;a=dd.substitute(a,"//VTK::PositionVC::Dec",["//VTK::PositionVC::Dec","uniform float 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}"]).result),n.Vertex=a},e.getPointPickingPrimitiveSize=()=>t.primitiveType===hd.Points?2:t.primitiveType===hd.Lines?4:6,e.getAllocatedGPUMemoryInBytes=()=>e.getCABO().getAllocatedGPUMemoryInBytes()}const yd={context:null,program:null,shaderSourceTime:null,VAO:null,attributeUpdateTime:null,CABO:null,primitiveType:0,pointPicking:!1};function bd(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,yd,n),jt.obj(e,t),t.shaderSourceTime={},jt.obj(t.shaderSourceTime),t.attributeUpdateTime={},jt.obj(t.attributeUpdateTime),jt.setGet(e,t,["program","shaderSourceTime","VAO","attributeUpdateTime","CABO","primitiveType","pointPicking"]),t.program=dd.newInstance(),t.VAO=md.newInstance(),t.CABO=td.newInstance(),vd(e,t)}var xd={newInstance:jt.newInstance(bd),extend:bd,primTypes:hd};const Td={CLAMP_TO_EDGE:0,REPEAT:1,MIRRORED_REPEAT:2},Cd={NEAREST:0,LINEAR:1,NEAREST_MIPMAP_NEAREST:2,NEAREST_MIPMAP_LINEAR:3,LINEAR_MIPMAP_NEAREST:4,LINEAR_MIPMAP_LINEAR:5};var Sd={Wrap:Td,Filter:Cd};const Pd=new Float32Array(1),Ad=new Int32Array(Pd.buffer);var Id={fromHalf:function(e){const t=(32768&e)>>15,n=(31744&e)>>10,r=1023&e;return 0===n?(t?-1:1)*2**-14*(r/1024):31===n?r?NaN:1/0*(t?-1:1):(t?-1:1)*2**(n-15)*(1+r/1024)},toHalf:function(e){Pd[0]=e;const t=Ad[0];let n=t>>16&32768,r=t>>12&2047;const o=t>>23&255;return o<103?n:o>142?(n|=31744,n|=(255===o?0:1)&&8388607&t,n):o<113?(r|=2048,n|=(r>>114-o)+(r>>113-o&1),n):(n|=o-112<<10|r>>1,n+=1&r,n)}};const{Wrap:wd,Filter:Od}=Sd,{VtkDataTypes:Md}=Es,{vtkDebugMacro:Rd,vtkErrorMacro:Vd,vtkWarningMacro:Ed}=Kt,{toHalf:Dd}=Id;function Ld(e,t){function n(e,n){let r=arguments.length>2&&void 0!==arguments[2]&&arguments[2];const o=[];let a=t.width*t.height*t.components;if(r&&(a*=t.depth),e!==Md.FLOAT&&t.openGLDataType===t.context.FLOAT)for(let e=0;ea?n[e].subarray(0,a):n[e];o.push(new Float32Array(t))}else o.push(null);if(e!==Md.UNSIGNED_CHAR&&t.openGLDataType===t.context.UNSIGNED_BYTE)for(let e=0;ea?n[e].subarray(0,a):n[e];o.push(new Uint8Array(t))}else o.push(null);let i=!1;if(t._openGLRenderWindow.getWebgl2())i=t.openGLDataType===t.context.HALF_FLOAT;else{const e=t.context.getExtension("OES_texture_half_float");i=e&&t.openGLDataType===e.HALF_FLOAT_OES}if(i)for(let e=0;e=o&&(c=o-1);const m=i-l,h=1-m;l=l*r*a,c=c*r*a;for(let t=0;t=r&&(p=r-1);const v=i-s;s*=a,p*=a;for(let t=0;t2048||o<-2048||o>2048)return!1}return!0}(r,o)||a);t.useHalfFloat=s}(a,c.offset,c.scale,r),t.useHalfFloat||e.getOpenGLDataType(a,!0),{numComps:o,dataType:a,data:i,scaleOffsets:c}}t.classHierarchy.push("vtkOpenGLTexture"),e.render=function(){let n=arguments.length>0&&void 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n=t.renderable.getCanvas();e.create2DFromRaw(n.width,n.height,4,Md.UNSIGNED_CHAR,n,!0),e.activate(),e.sendParameters(),t.textureBuildTime.modified()}if(null!==t.renderable.getJsImageData()){const n=t.renderable.getJsImageData();t.renderable.getInterpolate()&&(t.generateMipmap=!0,e.setMinificationFilter(Od.LINEAR_MIPMAP_LINEAR)),e.create2DFromRaw(n.width,n.height,4,Md.UNSIGNED_CHAR,n.data,!0),e.activate(),e.sendParameters(),t.textureBuildTime.modified()}const n=t.renderable.getInputData(0);if(n&&n.getPointData().getScalars()){const r=n.getExtent(),o=n.getPointData().getScalars(),a=[];for(let e=0;e{e.deactivate(),t.context&&t.handle&&t.context.deleteTexture(t.handle),t.handle=0,t.numberOfDimensions=0,t.target=0,t.components=0,t.width=0,t.height=0,t.depth=0,e.resetFormatAndType()},e.createTexture=()=>{t.handle||(t.handle=t.context.createTexture(),t.target&&(t.context.bindTexture(t.target,t.handle),t.context.texParameteri(t.target,t.context.TEXTURE_MIN_FILTER,e.getOpenGLFilterMode(t.minificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_MAG_FILTER,e.getOpenGLFilterMode(t.magnificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_S,e.getOpenGLWrapMode(t.wrapS)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_T,e.getOpenGLWrapMode(t.wrapT)),t._openGLRenderWindow.getWebgl2()&&t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_R,e.getOpenGLWrapMode(t.wrapR)),t.context.bindTexture(t.target,null)))},e.getTextureUnit=()=>t._openGLRenderWindow?t._openGLRenderWindow.getTextureUnitForTexture(e):-1,e.activate=()=>{t._openGLRenderWindow.activateTexture(e),e.bind()},e.deactivate=()=>{t._openGLRenderWindow&&t._openGLRenderWindow.deactivateTexture(e)},e.releaseGraphicsResources=n=>{n&&t.handle&&(n.activateTexture(e),n.deactivateTexture(e),t.context.deleteTexture(t.handle),t.handle=0,t.numberOfDimensions=0,t.target=0,t.internalFormat=0,t.format=0,t.openGLDataType=0,t.components=0,t.width=0,t.height=0,t.depth=0,t.allocatedGPUMemoryInBytes=0),t.shaderProgram&&(t.shaderProgram.releaseGraphicsResources(n),t.shaderProgram=null)},e.bind=()=>{t.context.bindTexture(t.target,t.handle),t.autoParameters&&e.getMTime()>t.sendParametersTime.getMTime()&&e.sendParameters()},e.isBound=()=>{let e=!1;if(t.context&&t.handle){let n=0;t.target===t.context.TEXTURE_2D?n=t.context.TEXTURE_BINDING_2D:Ed("impossible case"),e=t.context.getIntegerv(n)===t.handle}return e},e.sendParameters=()=>{t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_S,e.getOpenGLWrapMode(t.wrapS)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_T,e.getOpenGLWrapMode(t.wrapT)),t._openGLRenderWindow.getWebgl2()&&t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_R,e.getOpenGLWrapMode(t.wrapR)),t.context.texParameteri(t.target,t.context.TEXTURE_MIN_FILTER,e.getOpenGLFilterMode(t.minificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_MAG_FILTER,e.getOpenGLFilterMode(t.magnificationFilter)),t._openGLRenderWindow.getWebgl2()&&(t.context.texParameteri(t.target,t.context.TEXTURE_BASE_LEVEL,t.baseLevel),t.context.texParameteri(t.target,t.context.TEXTURE_MAX_LEVEL,t.maxLevel)),t.sendParametersTime.modified()},e.getInternalFormat=(n,r)=>(t._forceInternalFormat||(t.internalFormat=e.getDefaultInternalFormat(n,r)),t.internalFormat||Rd(`Unable to find suitable internal format for T=${n} NC= ${r}`),t.internalFormat),e.getDefaultInternalFormat=(e,n)=>{let r=0;return r=t._openGLRenderWindow.getDefaultTextureInternalFormat(e,n,t.oglNorm16Ext,t.useHalfFloat),r||(r||(Rd("Unsupported internal texture type!"),Rd(`Unable to find suitable internal format for T=${e} NC= ${n}`)),r)},e.setInternalFormat=n=>{t._forceInternalFormat=!0,n!==t.internalFormat&&(t.internalFormat=n,e.modified())},e.getFormat=(n,r)=>(t.format=e.getDefaultFormat(n,r),t.format),e.getDefaultFormat=(e,n)=>{if(t._openGLRenderWindow.getWebgl2())switch(n){case 1:return t.context.RED;case 2:return t.context.RG;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}else switch(n){case 1:return t.context.LUMINANCE;case 2:return t.context.LUMINANCE_ALPHA;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}},e.resetFormatAndType=()=>{t.format=0,t.internalFormat=0,t._forceInternalFormat=!1,t.openGLDataType=0},e.getDefaultDataType=e=>{if(t._openGLRenderWindow.getWebgl2())switch(e){case Md.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case t.oglNorm16Ext&&!t.useHalfFloat&&Md.SHORT:return t.context.SHORT;case t.oglNorm16Ext&&!t.useHalfFloat&&Md.UNSIGNED_SHORT:return t.context.UNSIGNED_SHORT;case t.useHalfFloat&&Md.SHORT:case t.useHalfFloat&&Md.UNSIGNED_SHORT:return t.context.HALF_FLOAT;case Md.FLOAT:case Md.VOID:default:return t.context.FLOAT}switch(e){case Md.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case Md.FLOAT:case Md.VOID:default:if(t.context.getExtension("OES_texture_float")&&t.context.getExtension("OES_texture_float_linear"))return t.context.FLOAT;{const e=t.context.getExtension("OES_texture_half_float");if(e&&t.context.getExtension("OES_texture_half_float_linear"))return e.HALF_FLOAT_OES}return t.context.UNSIGNED_BYTE}},e.getOpenGLDataType=function(n){let r=arguments.length>1&&void 0!==arguments[1]&&arguments[1];return t.openGLDataType&&!r||(t.openGLDataType=e.getDefaultDataType(n)),t.openGLDataType},e.getShiftAndScale=()=>{let e=0,n=1;switch(t.openGLDataType){case t.context.BYTE:n=127.5,e=n-128;break;case t.context.UNSIGNED_BYTE:n=255,e=0;break;case t.context.SHORT:n=32767.5,e=n-32768;break;case t.context.UNSIGNED_SHORT:n=65536,e=0;break;case t.context.INT:n=2147483647.5,e=n-2147483648;break;case t.context.UNSIGNED_INT:n=4294967295,e=0;case t.context.FLOAT:}return{shift:e,scale:n}},e.getOpenGLFilterMode=e=>{switch(e){case Od.NEAREST:return t.context.NEAREST;case Od.LINEAR:return t.context.LINEAR;case Od.NEAREST_MIPMAP_NEAREST:return t.context.NEAREST_MIPMAP_NEAREST;case Od.NEAREST_MIPMAP_LINEAR:return t.context.NEAREST_MIPMAP_LINEAR;case Od.LINEAR_MIPMAP_NEAREST:return t.context.LINEAR_MIPMAP_NEAREST;case Od.LINEAR_MIPMAP_LINEAR:return t.context.LINEAR_MIPMAP_LINEAR;default:return t.context.NEAREST}},e.getOpenGLWrapMode=e=>{switch(e){case wd.CLAMP_TO_EDGE:return t.context.CLAMP_TO_EDGE;case wd.REPEAT:return t.context.REPEAT;case wd.MIRRORED_REPEAT:return t.context.MIRRORED_REPEAT;default:return t.context.CLAMP_TO_EDGE}},e.create2DFromRaw=function(a,i,s,l,c){let u=arguments.length>5&&void 0!==arguments[5]&&arguments[5];if(e.getOpenGLDataType(l,!0),e.getInternalFormat(l,s),e.getFormat(l,s),!t.internalFormat||!t.format||!t.openGLDataType)return Vd("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=s,t.width=a,t.height=i,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=[c],p=n(l,d),f=r(p);return t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,u),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(l)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=f[0]&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,f[0])):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,f[0]),t.generateMipmap&&t.context.generateMipmap(t.target),u&&t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,!1),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*s*t._openGLRenderWindow.getDefaultTextureByteSize(l,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.createCubeFromRaw=(a,i,s,l,c)=>{if(e.getOpenGLDataType(l),e.getInternalFormat(l,s),e.getFormat(l,s),!t.internalFormat||!t.format||!t.openGLDataType)return Vd("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_CUBE_MAP,t.components=s,t.width=a,t.height=i,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),t.maxLevel=c.length/6-1,e.createTexture(),e.bind();const u=r(n(l,c)),d=[];let p=t.width,f=t.height;for(let e=0;e=1&&a>=1;){let i=null;n<=t.maxLevel&&(i=d[6*n+e]),o(l)?null!=i&&t.context.texSubImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,0,0,r,a,t.format,t.openGLDataType,i):t.context.texImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,t.internalFormat,r,a,0,t.format,t.openGLDataType,i),n++,r/=2,a/=2}}return t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*s*t._openGLRenderWindow.getDefaultTextureByteSize(l,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.createDepthFromRaw=(n,r,a,i)=>(e.getOpenGLDataType(a),t.format=t.context.DEPTH_COMPONENT,t._openGLRenderWindow.getWebgl2()?a===Md.FLOAT?t.internalFormat=t.context.DEPTH_COMPONENT32F:t.internalFormat=t.context.DEPTH_COMPONENT16:t.internalFormat=t.context.DEPTH_COMPONENT,t.internalFormat&&t.format&&t.openGLDataType?(t.target=t.context.TEXTURE_2D,t.components=1,t.width=n,t.height=r,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(a)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=i&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,i)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,i),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(a,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0):(Vd("Failed to determine texture parameters."),!1)),e.create2DFromImage=n=>{if(e.getOpenGLDataType(Md.UNSIGNED_CHAR),e.getInternalFormat(Md.UNSIGNED_CHAR,4),e.getFormat(Md.UNSIGNED_CHAR,4),!t.internalFormat||!t.format||!t.openGLDataType)return Vd("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=4,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1);const r=!(t._openGLRenderWindow.getWebgl2()||_o(n.width)&&_o(n.height)),a=document.createElement("canvas");a.width=r?Fo(n.width):n.width,a.height=r?Fo(n.height):n.height,t.width=a.width,t.height=a.height;const i=a.getContext("2d");i.translate(0,a.height),i.scale(1,-1),i.drawImage(n,0,0,n.width,n.height,0,0,a.width,a.height);const s=a;return o(Md.UNSIGNED_CHAR)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=s&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,s)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,s),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(Md.UNSIGNED_CHAR,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.create2DFilterableFromRaw=function(t,n,r,o,a){let i=arguments.length>5&&void 0!==arguments[5]&&arguments[5];return e.create2DFilterableFromDataArray(t,n,Es.newInstance({numberOfComponents:r,dataType:o,values:a}),i)},e.create2DFilterableFromDataArray=function(t,n,r){let o=arguments.length>3&&void 0!==arguments[3]&&arguments[3];const{numComps:i,dataType:s,data:l}=a(r,o);e.create2DFromRaw(t,n,i,s,l)},e.create3DFromRaw=(a,i,s,l,c,u)=>{if(e.getOpenGLDataType(c),e.getInternalFormat(c,l),e.getFormat(c,l),!t.internalFormat||!t.format||!t.openGLDataType)return Vd("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_3D,t.components=l,t.width=a,t.height=i,t.depth=s,t.numberOfDimensions=3,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=r(n(c,[u],!0));return t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(c)?(t.context.texStorage3D(t.target,1,t.internalFormat,t.width,t.height,t.depth),null!=d[0]&&t.context.texSubImage3D(t.target,0,0,0,0,t.width,t.height,t.depth,t.format,t.openGLDataType,d[0])):t.context.texImage3D(t.target,0,t.internalFormat,t.width,t.height,t.depth,0,t.format,t.openGLDataType,d[0]),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(c,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.create3DFilterableFromRaw=function(t,n,r,o,a,i){let s=arguments.length>6&&void 0!==arguments[6]&&arguments[6];return e.create3DFilterableFromDataArray(t,n,r,Es.newInstance({numberOfComponents:o,dataType:a,values:i}),s)},e.create3DFilterableFromDataArray=function(n,r,i,s){let l=arguments.length>4&&void 0!==arguments[4]&&arguments[4];const{numComps:c,dataType:u,data:d,scaleOffsets:p}=a(s,l),f=n*r*i,g=[],m=[];for(let e=0;e1/e));for(let e=0;e{e[t]=n},y=Md.UNSIGNED_CHAR;if(u===Md.UNSIGNED_CHAR)for(let e=0;e{e[t]=(n-r)/o}):(y=Md.UNSIGNED_CHAR,v=(e,t,n,r,o)=>{e[t]=255*(n-r)/o});if(e.getOpenGLDataType(y),e.getInternalFormat(y,c),e.getFormat(y,c),!t.internalFormat||!t.format||!t.openGLDataType)return Vd("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=c,t.depth=1,t.numberOfDimensions=2;let b=t.context.getParameter(t.context.MAX_TEXTURE_SIZE);b>4096&&(y===Md.FLOAT||c>=3)&&(b=4096);let x=1,T=1;f>b*b&&(x=Math.ceil(Math.sqrt(f/(b*b))),T=x);let C=Math.sqrt(f)/x;C=Fo(C);const S=Math.floor(C*x/n),P=Math.ceil(i/S),A=Fo(r*P/T);let I;t.width=C,t.height=A,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.volumeInfo.xreps=S,t.volumeInfo.yreps=P,t.volumeInfo.xstride=x,t.volumeInfo.ystride=T,t.volumeInfo.offset=h.offset,t.volumeInfo.scale=h.scale;const w=C*A*c;I=y===Md.FLOAT?new Float32Array(w):new Uint8Array(w);let O=0;const M=Math.floor(n/x),R=Math.floor(r/T);for(let e=0;e{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.getMaximumTextureSize=e=>e&&e.isCurrent()?e.getIntegerv(e.MAX_TEXTURE_SIZE):-1}const Bd={_openGLRenderWindow:null,_forceInternalFormat:!1,context:null,handle:0,sendParametersTime:null,textureBuildTime:null,numberOfDimensions:0,target:0,format:0,openGLDataType:0,components:0,width:0,height:0,depth:0,autoParameters:!0,wrapS:wd.CLAMP_TO_EDGE,wrapT:wd.CLAMP_TO_EDGE,wrapR:wd.CLAMP_TO_EDGE,minificationFilter:Od.NEAREST,magnificationFilter:Od.NEAREST,minLOD:-1e3,maxLOD:1e3,baseLevel:0,maxLevel:1e3,generateMipmap:!1,useHalfFloat:!0,oglNorm16Ext:null,allocatedGPUMemoryInBytes:0};function Nd(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Bd,n),Zt.extend(e,t,n),t.sendParametersTime={},yt(t.sendParametersTime,{mtime:0}),t.textureBuildTime={},yt(t.textureBuildTime,{mtime:0}),St(e,t,["format","openGLDataType"]),Pt(e,t,["keyMatrixTime","minificationFilter","magnificationFilter","wrapS","wrapT","wrapR","generateMipmap","oglNorm16Ext"]),xt(e,t,["width","height","volumeInfo","components","handle","target","allocatedGPUMemoryInBytes"]),Ot(0,t,["openGLRenderWindow"]),Ld(e,t)}const kd=Et(Nd,"vtkOpenGLTexture");var Fd={newInstance:kd,extend:Nd,...Sd};rn("vtkTexture",kd);var _d="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexMC;\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// optional normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// material property values\n//VTK::Color::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// picking support\n//VTK::Picking::Dec\n\nvoid main()\n{\n //VTK::Color::Impl\n\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Clip::Impl\n\n //VTK::PrimID::Impl\n\n //VTK::PositionVC::Impl\n\n //VTK::Light::Impl\n\n //VTK::Picking::Impl\n}\n",Gd="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the polydata mappers fragment shader\n\nuniform int PrimitiveIDOffset;\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// optional color passed in from the vertex shader, vertexColor\n//VTK::Color::Dec\n\n// optional surface normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// Depth Peeling Support\n//VTK::DepthPeeling::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// label outline \n//VTK::LabelOutline::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n//VTK::LabelOutlineHelperFunction\n\nvoid main()\n{\n // VC position of this fragment. This should not branch/return/discard.\n //VTK::PositionVC::Impl\n\n // Place any calls that require uniform flow (e.g. dFdx) here.\n //VTK::UniformFlow::Impl\n\n // Set gl_FragDepth here (gl_FragCoord.z by default)\n //VTK::Depth::Impl\n\n // Early depth peeling abort:\n //VTK::DepthPeeling::PreColor\n\n // Apple Bug\n //VTK::PrimID::Impl\n\n //VTK::Clip::Impl\n\n //VTK::Color::Impl\n\n // Generate the normal if we are not passed in one\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Light::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n\n //VTK::DepthPeeling::Impl\n\n //VTK::Picking::Impl\n\n // handle coincident offsets\n //VTK::Coincident::Impl\n\n //VTK::ZBuffer::Impl\n\n //VTK::RenderPassFragmentShader::Impl\n}\n",Ud=function(e,t){e.replaceShaderCoincidentOffset=(n,r,o)=>{const a=e.getCoincidentParameters(r,o);if(a&&(0!==a.factor||0!==a.offset)){let e=n.Fragment;e=dd.substitute(e,"//VTK::Coincident::Dec",["uniform float cfactor;","uniform float coffset;"]).result,t.context.getExtension("EXT_frag_depth")&&(0!==a.factor?(e=dd.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=dd.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=dd.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + 0.000016*coffset;").result),t._openGLRenderWindow.getWebgl2()&&(0!==a.factor?(e=dd.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=dd.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=dd.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + 0.000016*coffset;").result),n.Fragment=e}}},zd=function(e,t){e.applyShaderReplacements=(e,t,n)=>{let r=null;if(t&&(r=t.ShaderReplacements),r)for(let t=0;t{e.getReplacedShaderTemplate(n,r,o),t.lastRenderPassShaderReplacement=t.currentRenderPass?t.currentRenderPass.getShaderReplacement():null,t.lastRenderPassShaderReplacement&&t.lastRenderPassShaderReplacement(n);const a=t.renderable.getViewSpecificProperties().OpenGL;e.applyShaderReplacements(n,a,!0),e.replaceShaderValues(n,r,o),e.applyShaderReplacements(n,a)},e.getReplacedShaderTemplate=(n,r,o)=>{const a=t.renderable.getViewSpecificProperties().OpenGL;e.getShaderTemplate(n,r,o);let i=n.Vertex;if(a){const e=a.VertexShaderCode;void 0!==e&&""!==e&&(i=e)}n.Vertex=i;let s=n.Fragment;if(a){const e=a.FragmentShaderCode;void 0!==e&&""!==e&&(s=e)}n.Fragment=s;let l=n.Geometry;if(a){const e=a.GeometryShaderCode;void 0!==e&&(l=e)}n.Geometry=l}};const{FieldAssociations:Wd}=al,{primTypes:Hd}=xd,{Representation:jd,Shading:Kd}=ds,{ScalarMode:$d}=oc,{Filter:qd,Wrap:Xd}=Fd,{vtkErrorMacro:Yd}=Kt,Zd={type:"StartEvent"},Qd={type:"EndEvent"},{CoordinateSystem:Jd}=Zi;function ep(e,t){function n(e,t,n){return t.identity(n),e.reduce(((e,n,r)=>0===r?n?t.copy(e,n):t.identity(e):n?t.multiply(e,e,n):e),n)}t.classHierarchy.push("vtkOpenGLPolyDataMapper"),e.buildPass=n=>{n&&(t.currentRenderPass=null,t.openGLActor=e.getFirstAncestorOfType("vtkOpenGLActor"),t._openGLRenderer=t.openGLActor.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.openGLCamera=t._openGLRenderer.getViewNodeFor(t._openGLRenderer.getRenderable().getActiveCamera()))},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.render=()=>{const n=t._openGLRenderWindow.getContext();if(t.context!==n){t.context=n;for(let e=Hd.Start;e{e.Vertex=_d,e.Fragment=Gd,e.Geometry=""},e.replaceShaderColor=(e,n,r)=>{let o=e.Vertex,a=e.Geometry,i=e.Fragment;const s=t.lastBoundBO.getReferenceByName("lastLightComplexity");let l=["uniform float ambient;","uniform float diffuse;","uniform float specular;","uniform float opacityUniform; // the fragment opacity","uniform vec3 ambientColorUniform;","uniform vec3 diffuseColorUniform;"];s&&(l=l.concat(["uniform vec3 specularColorUniform;","uniform float specularPowerUniform;"]));let c=["vec3 ambientColor;"," vec3 diffuseColor;"," float opacity;"];s&&(c=c.concat([" vec3 specularColor;"," float specularPower;"])),c=c.concat([" ambientColor = ambientColorUniform;"," diffuseColor = diffuseColorUniform;"," opacity = opacityUniform;"]),s&&(c=c.concat([" specularColor = specularColorUniform;"," specularPower = specularPowerUniform;"])),0===t.lastBoundBO.getCABO().getColorComponents()||t.drawingEdges||(l=l.concat(["varying vec4 vertexColorVSOutput;"]),o=dd.substitute(o,"//VTK::Color::Dec",["attribute vec4 scalarColor;","varying vec4 vertexColorVSOutput;"]).result,o=dd.substitute(o,"//VTK::Color::Impl",["vertexColorVSOutput = scalarColor;"]).result,a=dd.substitute(a,"//VTK::Color::Dec",["in vec4 vertexColorVSOutput[];","out vec4 vertexColorGSOutput;"]).result,a=dd.substitute(a,"//VTK::Color::Impl",["vertexColorGSOutput = vertexColorVSOutput[i];"]).result),0===t.lastBoundBO.getCABO().getColorComponents()||t.drawingEdges?t.renderable.getInterpolateScalarsBeforeMapping()&&t.renderable.getColorCoordinates()&&!t.drawingEdges?i=dd.substitute(i,"//VTK::Color::Impl",c.concat([" vec4 texColor = texture2D(texture1, tcoordVCVSOutput.st);"," diffuseColor = texColor.rgb;"," ambientColor = texColor.rgb;"," opacity = opacity*texColor.a;"])).result:(r.getBackfaceProperty()&&!t.drawingEdges&&(l=l.concat(["uniform float opacityUniformBF; // the fragment opacity","uniform float ambientIntensityBF; // the material ambient","uniform float diffuseIntensityBF; // the material diffuse","uniform vec3 ambientColorUniformBF; // ambient material color","uniform vec3 diffuseColorUniformBF; // diffuse material color"]),s?(l=l.concat(["uniform float specularIntensityBF; // the material specular intensity","uniform vec3 specularColorUniformBF; // intensity weighted color","uniform float specularPowerUniformBF;"]),c=c.concat(["if (gl_FrontFacing == false) {"," ambientColor = ambientIntensityBF * ambientColorUniformBF;"," diffuseColor = diffuseIntensityBF * diffuseColorUniformBF;"," specularColor = specularIntensityBF * specularColorUniformBF;"," specularPower = specularPowerUniformBF;"," opacity = opacityUniformBF; }"])):c=c.concat(["if (gl_FrontFacing == false) {"," ambientColor = ambientIntensityBF * ambientColorUniformBF;"," diffuseColor = diffuseIntensityBF * diffuseColorUniformBF;"," opacity = opacityUniformBF; }"])),t.haveCellScalars&&!t.drawingEdges&&(l=l.concat(["uniform samplerBuffer texture1;"])),i=dd.substitute(i,"//VTK::Color::Impl",c).result):i=dd.substitute(i,"//VTK::Color::Impl",c.concat([" diffuseColor = vertexColorVSOutput.rgb;"," ambientColor = vertexColorVSOutput.rgb;"," opacity = opacity*vertexColorVSOutput.a;"])).result,i=dd.substitute(i,"//VTK::Color::Dec",l).result,e.Vertex=o,e.Geometry=a,e.Fragment=i},e.replaceShaderLight=(e,n,r)=>{let o=e.Fragment;const a=t.lastBoundBO.getReferenceByName("lastLightComplexity"),i=t.lastBoundBO.getReferenceByName("lastLightCount");let s=[];switch(a){case 0:o=dd.substitute(o,"//VTK::Light::Impl",[" gl_FragData[0] = vec4(ambientColor * ambient + diffuseColor * diffuse, opacity);"," //VTK::Light::Impl"],!1).result;break;case 1:o=dd.substitute(o,"//VTK::Light::Impl",[" float df = max(0.0, normalVCVSOutput.z);"," float sf = pow(df, specularPower);"," vec3 diffuseL = df * diffuseColor;"," vec3 specularL = sf * specularColor;"," gl_FragData[0] = vec4(ambientColor * ambient + diffuseL * diffuse + specularL * specular, opacity);"," //VTK::Light::Impl"],!1).result;break;case 2:for(let e=0;e= cos(radians(lightConeAngle${e})))`," {",` attenuation = attenuation * pow(coneDot, lightExponent${e});`," }"," else"," {"," attenuation = 0.0;"," }"," }"," }"," df = max(0.0, attenuation*dot(normalVCVSOutput, -vertLightDirectionVC));",` diffuseL += ((df) * lightColor${e});`," if (dot(normalVCVSOutput, vertLightDirectionVC) < 0.0)"," {",` float sf = sign(df)*attenuation*pow(max(1e-5,\n dot(reflect(lightDirectionVC${e},\n normalVCVSOutput),\n normalize(-vertexVC.xyz))),\n specularPower);`,` specularL += ((sf) * lightColor${e});`," }"]);s=s.concat([" diffuseL = diffuseL * diffuseColor;"," specularL = specularL * specularColor;"," gl_FragData[0] = vec4(ambientColor * ambient + diffuseL * diffuse + specularL * specular, opacity);"," //VTK::Light::Impl"]),o=dd.substitute(o,"//VTK::Light::Impl",s,!1).result;break;default:Yd("bad light complexity")}e.Fragment=o},e.replaceShaderNormal=(e,n,r)=>{if(t.lastBoundBO.getReferenceByName("lastLightComplexity")>0){let n=e.Vertex,o=e.Geometry,a=e.Fragment;t.lastBoundBO.getCABO().getNormalOffset()?(n=dd.substitute(n,"//VTK::Normal::Dec",["attribute vec3 normalMC;","uniform mat3 normalMatrix;","varying vec3 normalVCVSOutput;"]).result,n=dd.substitute(n,"//VTK::Normal::Impl",["normalVCVSOutput = normalMatrix * normalMC;"]).result,o=dd.substitute(o,"//VTK::Normal::Dec",["in vec3 normalVCVSOutput[];","out vec3 normalVCGSOutput;"]).result,o=dd.substitute(o,"//VTK::Normal::Impl",["normalVCGSOutput = normalVCVSOutput[i];"]).result,a=dd.substitute(a,"//VTK::Normal::Dec",["varying vec3 normalVCVSOutput;"]).result,a=dd.substitute(a,"//VTK::Normal::Impl",["vec3 normalVCVSOutput = normalize(normalVCVSOutput);"," if (gl_FrontFacing == false) { normalVCVSOutput = -normalVCVSOutput; }"]).result):t.haveCellNormals?(a=dd.substitute(a,"//VTK::Normal::Dec",["uniform mat3 normalMatrix;","uniform samplerBuffer textureN;"]).result,a=dd.substitute(a,"//VTK::Normal::Impl",["vec3 normalVCVSOutput = normalize(normalMatrix *"," texelFetchBuffer(textureN, gl_PrimitiveID + PrimitiveIDOffset).xyz);"," if (gl_FrontFacing == false) { normalVCVSOutput = -normalVCVSOutput; }"]).result):t.lastBoundBO.getOpenGLMode(r.getProperty().getRepresentation())===t.context.LINES?(a=dd.substitute(a,"//VTK::UniformFlow::Impl",[" vec3 fdx = dFdx(vertexVC.xyz);"," vec3 fdy = dFdy(vertexVC.xyz);"," //VTK::UniformFlow::Impl"]).result,a=dd.substitute(a,"//VTK::Normal::Impl",["vec3 normalVCVSOutput;"," if (abs(fdx.x) > 0.0)"," { fdx = normalize(fdx); normalVCVSOutput = normalize(cross(vec3(fdx.y, -fdx.x, 0.0), fdx)); }"," else { fdy = normalize(fdy); normalVCVSOutput = normalize(cross(vec3(fdy.y, -fdy.x, 0.0), fdy));}"]).result):(a=dd.substitute(a,"//VTK::Normal::Dec",["uniform int cameraParallel;"]).result,a=dd.substitute(a,"//VTK::UniformFlow::Impl",[" vec3 fdx = dFdx(vertexVC.xyz);"," vec3 fdy = dFdy(vertexVC.xyz);"," //VTK::UniformFlow::Impl"]).result,a=dd.substitute(a,"//VTK::Normal::Impl",[" fdx = normalize(fdx);"," fdy = normalize(fdy);"," vec3 normalVCVSOutput = normalize(cross(fdx,fdy));"," if (cameraParallel == 1 && normalVCVSOutput.z < 0.0) { normalVCVSOutput = -1.0*normalVCVSOutput; }"," if (cameraParallel == 0 && dot(normalVCVSOutput,vertexVC.xyz) > 0.0) { normalVCVSOutput = -1.0*normalVCVSOutput; }"]).result),e.Vertex=n,e.Geometry=o,e.Fragment=a}},e.replaceShaderPositionVC=(e,n,r)=>{t.lastBoundBO.replaceShaderPositionVC(e,n,r);let o=e.Vertex,a=e.Geometry,i=e.Fragment;t.lastBoundBO.getReferenceByName("lastLightComplexity")>0?(o=dd.substitute(o,"//VTK::PositionVC::Dec",["varying vec4 vertexVCVSOutput;"]).result,o=dd.substitute(o,"//VTK::PositionVC::Impl",["vertexVCVSOutput = MCVCMatrix * vertexMC;"," gl_Position = MCPCMatrix * vertexMC;"]).result,o=dd.substitute(o,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;","uniform mat4 MCVCMatrix;"]).result,a=dd.substitute(a,"//VTK::PositionVC::Dec",["in vec4 vertexVCVSOutput[];","out vec4 vertexVCGSOutput;"]).result,a=dd.substitute(a,"//VTK::PositionVC::Impl",["vertexVCGSOutput = vertexVCVSOutput[i];"]).result,i=dd.substitute(i,"//VTK::PositionVC::Dec",["varying vec4 vertexVCVSOutput;"]).result,i=dd.substitute(i,"//VTK::PositionVC::Impl",["vec4 vertexVC = vertexVCVSOutput;"]).result):(o=dd.substitute(o,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,o=dd.substitute(o,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result),e.Vertex=o,e.Geometry=a,e.Fragment=i},e.replaceShaderTCoord=(e,n,r)=>{if(t.lastBoundBO.getCABO().getTCoordOffset()){let n=e.Vertex,r=e.Geometry,o=e.Fragment;if(t.drawingEdges)return;n=dd.substitute(n,"//VTK::TCoord::Impl","tcoordVCVSOutput = tcoordMC;").result;const a=t.openGLActor.getActiveTextures();let i=2,s=2;if(a&&a.length>0&&(i=a[0].getComponents(),a[0].getTarget()===t.context.TEXTURE_CUBE_MAP&&(s=3)),t.renderable.getColorTextureMap()&&(i=t.renderable.getColorTextureMap().getPointData().getScalars().getNumberOfComponents(),s=2),2===s){if(n=dd.substitute(n,"//VTK::TCoord::Dec","attribute vec2 tcoordMC; varying vec2 tcoordVCVSOutput;").result,r=dd.substitute(r,"//VTK::TCoord::Dec",["in vec2 tcoordVCVSOutput[];","out vec2 tcoordVCGSOutput;"]).result,r=dd.substitute(r,"//VTK::TCoord::Impl","tcoordVCGSOutput = tcoordVCVSOutput[i];").result,o=dd.substitute(o,"//VTK::TCoord::Dec",["varying vec2 tcoordVCVSOutput;","uniform sampler2D texture1;"]).result,a&&a.length>=1)switch(i){case 1:o=dd.substitute(o,"//VTK::TCoord::Impl",[" vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);"," ambientColor = ambientColor*tcolor.r;"," diffuseColor = diffuseColor*tcolor.r;"]).result;break;case 2:o=dd.substitute(o,"//VTK::TCoord::Impl",[" vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);"," ambientColor = ambientColor*tcolor.r;"," diffuseColor = diffuseColor*tcolor.r;"," opacity = opacity * tcolor.g;"]).result;break;default:o=dd.substitute(o,"//VTK::TCoord::Impl",[" vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);"," ambientColor = ambientColor*tcolor.rgb;"," diffuseColor = diffuseColor*tcolor.rgb;"," opacity = opacity * tcolor.a;"]).result}}else switch(n=dd.substitute(n,"//VTK::TCoord::Dec","attribute vec3 tcoordMC; varying vec3 tcoordVCVSOutput;").result,r=dd.substitute(r,"//VTK::TCoord::Dec",["in vec3 tcoordVCVSOutput[];","out vec3 tcoordVCGSOutput;"]).result,r=dd.substitute(r,"//VTK::TCoord::Impl","tcoordVCGSOutput = tcoordVCVSOutput[i];").result,o=dd.substitute(o,"//VTK::TCoord::Dec",["varying vec3 tcoordVCVSOutput;","uniform samplerCube texture1;"]).result,i){case 1:o=dd.substitute(o,"//VTK::TCoord::Impl",[" vec4 tcolor = textureCube(texture1, tcoordVCVSOutput);"," ambientColor = ambientColor*tcolor.r;"," diffuseColor = diffuseColor*tcolor.r;"]).result;break;case 2:o=dd.substitute(o,"//VTK::TCoord::Impl",[" vec4 tcolor = textureCube(texture1, tcoordVCVSOutput);"," ambientColor = ambientColor*tcolor.r;"," diffuseColor = diffuseColor*tcolor.r;"," opacity = opacity * tcolor.g;"]).result;break;default:o=dd.substitute(o,"//VTK::TCoord::Impl",[" vec4 tcolor = textureCube(texture1, tcoordVCVSOutput);"," ambientColor = ambientColor*tcolor.rgb;"," diffuseColor = diffuseColor*tcolor.rgb;"," opacity = opacity * tcolor.a;"]).result}e.Vertex=n,e.Geometry=r,e.Fragment=o}},e.replaceShaderClip=(e,n,r)=>{let o=e.Vertex,a=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){const e=t.renderable.getNumberOfClippingPlanes();o=dd.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;",`uniform vec4 clipPlanes[${e}];`,`varying float clipDistancesVSOutput[${e}];`]).result,o=dd.substitute(o,"//VTK::Clip::Impl",[`for (int planeNum = 0; planeNum < ${e}; planeNum++)`," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,a=dd.substitute(a,"//VTK::Clip::Dec",["uniform int numClipPlanes;",`varying float clipDistancesVSOutput[${e}];`]).result,a=dd.substitute(a,"//VTK::Clip::Impl",[`for (int planeNum = 0; planeNum < ${e}; planeNum++)`," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=a},e.getCoincidentParameters=(e,n)=>{let r={factor:0,offset:0};const o=n.getProperty();if(t.renderable.getResolveCoincidentTopology()||o.getEdgeVisibility()&&o.getRepresentation()===jd.SURFACE){const e=t.lastBoundBO.getPrimitiveType();e===Hd.Points||o.getRepresentation()===jd.POINTS?r=t.renderable.getCoincidentTopologyPointOffsetParameter():e===Hd.Lines||o.getRepresentation()===jd.WIREFRAME?r=t.renderable.getCoincidentTopologyLineOffsetParameters():e!==Hd.Tris&&e!==Hd.TriStrips||(r=t.renderable.getCoincidentTopologyPolygonOffsetParameters()),e!==Hd.TrisEdges&&e!==Hd.TriStripsEdges||(r=t.renderable.getCoincidentTopologyPolygonOffsetParameters(),r.factor/=2,r.offset/=2)}const a=t._openGLRenderer.getSelector();return a&&a.getFieldAssociation()===Wd.FIELD_ASSOCIATION_POINTS&&(r.offset-=2),r},e.replaceShaderPicking=(e,n,r)=>{let o=e.Fragment,a=e.Vertex;if(o=dd.substitute(o,"//VTK::Picking::Dec",["uniform int picking;","//VTK::Picking::Dec"]).result,t._openGLRenderer.getSelector()){switch(t.lastSelectionState!==Hl.ID_LOW24&&t.lastSelectionState!==Hl.ID_HIGH24||(a=dd.substitute(a,"//VTK::Picking::Dec",["flat out int vertexIDVSOutput;\n","uniform int VertexIDOffset;\n"]).result,a=dd.substitute(a,"//VTK::Picking::Impl"," vertexIDVSOutput = gl_VertexID + VertexIDOffset;\n").result,o=dd.substitute(o,"//VTK::Picking::Dec","flat in int vertexIDVSOutput;\n").result,o=dd.substitute(o,"//VTK::Picking::Impl",[" int idx = vertexIDVSOutput;","//VTK::Picking::Impl"]).result),t.lastSelectionState){case Hl.ID_LOW24:o=dd.substitute(o,"//VTK::Picking::Impl"," gl_FragData[0] = vec4(float(idx%256)/255.0, float((idx/256)%256)/255.0, float((idx/65536)%256)/255.0, 1.0);").result;break;case Hl.ID_HIGH24:o=dd.substitute(o,"//VTK::Picking::Impl"," gl_FragData[0] = vec4(float(idx)/255.0, 0.0, 0.0, 1.0);").result;break;default:o=dd.substitute(o,"//VTK::Picking::Dec","uniform vec3 mapperIndex;").result,o=dd.substitute(o,"//VTK::Picking::Impl"," gl_FragData[0] = picking != 0 ? vec4(mapperIndex,1.0) : gl_FragData[0];").result}e.Fragment=o,e.Vertex=a}},e.replaceShaderValues=(n,r,o)=>{if(e.replaceShaderColor(n,r,o),e.replaceShaderNormal(n,r,o),e.replaceShaderLight(n,r,o),e.replaceShaderTCoord(n,r,o),e.replaceShaderPicking(n,r,o),e.replaceShaderClip(n,r,o),e.replaceShaderCoincidentOffset(n,r,o),e.replaceShaderPositionVC(n,r,o),t.haveSeenDepthRequest){let e=n.Fragment;e=dd.substitute(e,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,e=dd.substitute(e,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result,n.Fragment=e}},e.getNeedToRebuildShaders=(e,n,r)=>{let o=0,a=0;const i=e.getPrimitiveType(),s=t.currentInput;let l=!1;const c=s.getPointData().getNormals(),u=s.getCellData().getNormals(),d=r.getProperty().getInterpolation()===Kd.FLAT,p=r.getProperty().getRepresentation(),f=e.getOpenGLMode(p,i);if(f===t.context.TRIANGLES||u&&!c||!d&&c?l=!0:d||f!==t.context.LINES||(l=!0),r.getProperty().getLighting()&&l){o=0;const e=n.getLightsByReference();for(let t=0;t0&&(a++,0===o&&(o=1)),1===o&&(a>1||1!==n.getIntensity()||!n.lightTypeIsHeadLight())&&(o=2),o<3&&n.getPositional()&&(o=3)}}let g=!1;const m=t.lastBoundBO.getReferenceByName("lastLightComplexity"),h=t.lastBoundBO.getReferenceByName("lastLightCount");return m===o&&h===a||(t.lastBoundBO.set({lastLightComplexity:o},!0),t.lastBoundBO.set({lastLightCount:a},!0),g=!0),(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(g=!0),!!(t.lastHaveSeenDepthRequest!==t.haveSeenDepthRequest||e.getShaderSourceTime().getMTime(){const o=t.renderable.getViewSpecificProperties().ShadersCallbacks;o&&o.forEach((t=>{t.callback(t.userData,e,n,r)}))},e.setMapperShaderParameters=(n,r,o)=>{if(n.getProgram().isUniformUsed("PrimitiveIDOffset")&&n.getProgram().setUniformi("PrimitiveIDOffset",t.primitiveIDOffset),n.getProgram().isUniformUsed("VertexIDOffset")&&n.getProgram().setUniformi("VertexIDOffset",t.vertexIDOffset),n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())){const e=t.lastBoundBO.getReferenceByName("lastLightComplexity");n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,!1)||Yd("Error setting vertexMC in shader VAO.")),n.getProgram().isAttributeUsed("normalMC")&&n.getCABO().getNormalOffset()&&e>0?n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"normalMC",n.getCABO().getNormalOffset(),n.getCABO().getStride(),t.context.FLOAT,3,!1)||Yd("Error setting normalMC in shader VAO."):n.getVAO().removeAttributeArray("normalMC"),t.renderable.getCustomShaderAttributes().forEach(((e,r)=>{n.getProgram().isAttributeUsed(`${e}MC`)&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),`${e}MC`,n.getCABO().getCustomData()[r].offset,n.getCABO().getStride(),t.context.FLOAT,n.getCABO().getCustomData()[r].components,!1)||Yd(`Error setting ${e}MC in shader VAO.`))})),n.getProgram().isAttributeUsed("tcoordMC")&&n.getCABO().getTCoordOffset()?n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"tcoordMC",n.getCABO().getTCoordOffset(),n.getCABO().getStride(),t.context.FLOAT,n.getCABO().getTCoordComponents(),!1)||Yd("Error setting tcoordMC in shader VAO."):n.getVAO().removeAttributeArray("tcoordMC"),n.getProgram().isAttributeUsed("scalarColor")&&n.getCABO().getColorComponents()?n.getVAO().addAttributeArray(n.getProgram(),n.getCABO().getColorBO(),"scalarColor",n.getCABO().getColorOffset(),n.getCABO().getColorBOStride(),t.context.UNSIGNED_BYTE,4,!0)||Yd("Error setting scalarColor in shader VAO."):n.getVAO().removeAttributeArray("scalarColor"),n.getAttributeUpdateTime().modified()}if(t.renderable.getNumberOfClippingPlanes()){const e=t.renderable.getNumberOfClippingPlanes(),r=[],a=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,i=a?d(t.tmpMat4,o.getMatrix()):o.getMatrix();a&&(m(i,i),b(i,i,a),m(i,i));for(let n=0;n{const o=t.lastBoundBO.getReferenceByName("lastLightComplexity");if(o<2)return;const a=e.getProgram();let i=0;const s=n.getLightsByReference();for(let e=0;e0){const e=r.getColorByReference(),o=r.getIntensity();t.lightColor[0]=e[0]*o,t.lightColor[1]=e[1]*o,t.lightColor[2]=e[2]*o;const s=r.getDirection(),l=n.getActiveCamera().getViewMatrix(),c=[...s];r.lightTypeIsSceneLight()&&(c[0]=l[0]*s[0]+l[1]*s[1]+l[2]*s[2],c[1]=l[4]*s[0]+l[5]*s[1]+l[6]*s[2],c[2]=l[8]*s[0]+l[9]*s[1]+l[10]*s[2],Xo(c)),t.lightDirection[0]=c[0],t.lightDirection[1]=c[1],t.lightDirection[2]=c[2],Xo(t.lightDirection),a.setUniform3fArray(`lightColor${i}`,t.lightColor),a.setUniform3fArray(`lightDirectionVC${i}`,t.lightDirection),i++}}if(o<3)return;const l=n.getActiveCamera().getViewMatrix();m(l,l),i=0;for(let e=0;e0){const e=t.getTransformedPosition(),n=new Float64Array(3);Dn(n,e,l),a.setUniform3fArray(`lightAttenuation${i}`,t.getAttenuationValuesByReference()),a.setUniformi(`lightPositional${i}`,t.getPositional()),a.setUniformf(`lightExponent${i}`,t.getExponent()),a.setUniformf(`lightConeAngle${i}`,t.getConeAngle()),a.setUniform3fArray(`lightPositionVC${i}`,[n[0],n[1],n[2]]),i++}}},e.setCameraShaderParameters=(e,a,i)=>{const s=e.getProgram(),l=t.openGLCamera.getKeyMatrices(a),c=a.getActiveCamera(),u=t.openGLCamera.getKeyMatrixTime().getMTime(),d=s.getLastCameraMTime(),p=e.getCABO().getCoordShiftAndScaleEnabled()?e.getCABO().getInverseShiftAndScaleMatrix():null,f=i.getIsIdentity(),m=f?{mcwc:null,normalMatrix:null}:t.openGLActor.getKeyMatrices();if(i.getCoordinateSystem()===Jd.DISPLAY){const e=t._openGLRenderer.getTiledSizeAndOrigin();g(t.tmpMat4),t.tmpMat4[0]=2/e.usize,t.tmpMat4[12]=-1,t.tmpMat4[5]=2/e.vsize,t.tmpMat4[13]=-1,b(t.tmpMat4,t.tmpMat4,p),s.setUniformMatrix("MCPCMatrix",t.tmpMat4)}else s.setUniformMatrix("MCPCMatrix",n([l.wcpc,m.mcwc,p],r,t.tmpMat4));s.isUniformUsed("MCVCMatrix")&&s.setUniformMatrix("MCVCMatrix",n([l.wcvc,m.mcwc,p],r,t.tmpMat4)),s.isUniformUsed("normalMatrix")&&s.setUniformMatrix3x3("normalMatrix",n([l.normalMatrix,m.normalMatrix],o,t.tmpMat3)),d!==u&&(s.isUniformUsed("cameraParallel")&&s.setUniformi("cameraParallel",c.getParallelProjection()),s.setLastCameraMTime(u)),f||s.setLastCameraMTime(0)},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram();let a=r.getProperty(),i=a.getOpacity(),s=t.drawingEdges?a.getEdgeColorByReference():a.getAmbientColorByReference(),l=t.drawingEdges?a.getEdgeColorByReference():a.getDiffuseColorByReference(),c=t.drawingEdges?1:a.getAmbient(),u=t.drawingEdges?0:a.getDiffuse(),d=t.drawingEdges?0:a.getSpecular();const p=a.getSpecularPower();o.setUniformf("opacityUniform",i),o.setUniform3fArray("ambientColorUniform",s),o.setUniform3fArray("diffuseColorUniform",l),o.setUniformf("ambient",c),o.setUniformf("diffuse",u);const f=t.lastBoundBO.getReferenceByName("lastLightComplexity");if(f<1)return;let g=a.getSpecularColorByReference();if(o.setUniform3fArray("specularColorUniform",g),o.setUniformf("specularPowerUniform",p),o.setUniformf("specular",d),o.isUniformUsed("ambientIntensityBF")){if(a=r.getBackfaceProperty(),i=a.getOpacity(),s=a.getAmbientColor(),c=a.getAmbient(),l=a.getDiffuseColor(),u=a.getDiffuse(),g=a.getSpecularColor(),d=a.getSpecular(),o.setUniformf("ambientIntensityBF",c),o.setUniformf("diffuseIntensityBF",u),o.setUniformf("opacityUniformBF",i),o.setUniform3fArray("ambientColorUniformBF",s),o.setUniform3fArray("diffuseColorUniformBF",l),f<1)return;o.setUniformf("specularIntensityBF",d),o.setUniform3fArray("specularColorUniformBF",g),o.setUniformf("specularPowerUniformBF",p)}},e.updateMaximumPointCellIds=(e,n)=>{const r=t._openGLRenderer.getSelector();if(r){if(t.selectionWebGLIdsToVTKIds?.points?.length){const e=t.selectionWebGLIdsToVTKIds.points.length;r.setMaximumPointId(e-1)}if(t.selectionWebGLIdsToVTKIds?.cells?.length){const e=t.selectionWebGLIdsToVTKIds.cells.length;r.setMaximumCellId(e-1)}r.getFieldAssociation()===Wd.FIELD_ASSOCIATION_POINTS&&(t.pointPicking=!0)}},e.renderPieceStart=(n,r)=>{t.primitiveIDOffset=0,t.vertexIDOffset=0;const o=function(e){const t=e.getSelector();return t?t.getCurrentPass():Hl.MIN_KNOWN_PASS-1}(t._openGLRenderer);t.lastSelectionState!==o&&(t.selectionStateChanged.modified(),t.lastSelectionState=o),t._openGLRenderer.getSelector()&&t._openGLRenderer.getSelector().renderProp(r),e.updateBufferObjects(n,r),t.renderable.getColorTextureMap()&&t.internalColorTexture.activate(),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=r.getProperty().getRepresentation(),a=r.getProperty().getEdgeVisibility()&&o===jd.SURFACE,i=t._openGLRenderer.getSelector(),s=i&&i.getFieldAssociation()===Wd.FIELD_ASSOCIATION_POINTS&&(t.lastSelectionState===Hl.ID_LOW24||t.lastSelectionState===Hl.ID_HIGH24);for(let i=Hd.Start;i=0)||(t.lastBoundBO=t.primitives[i],t.primitiveIDOffset+=t.primitives[i].drawArrays(n,r,o,e),t.vertexIDOffset+=t.primitives[i].getCABO().getElementCount()))},e.renderPieceFinish=(e,n)=>{t.LastBoundBO&&t.LastBoundBO.getVAO().release(),t.renderable.getColorTextureMap()&&t.internalColorTexture.deactivate()},e.renderPiece=(n,r)=>{if(e.invokeEvent(Zd),t.renderable.getStatic()||t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.invokeEvent(Qd),!t.currentInput)return void Yd("No input!");if(!t.currentInput.getPoints||!t.currentInput.getPoints().getNumberOfValues())return;const o=t.context,a=r.getProperty().getBackfaceCulling(),i=r.getProperty().getFrontfaceCulling();a||i?i?(t._openGLRenderWindow.enableCullFace(),o.cullFace(o.FRONT)):(t._openGLRenderWindow.enableCullFace(),o.cullFace(o.BACK)):t._openGLRenderWindow.disableCullFace(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():wa(t.bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>{const o=t.VBOBuildTime.getMTime();return o{const o=t.currentInput;if(null===o)return;t.renderable.mapScalars(o,1);const a=t.renderable.getColorMapColors();t.haveCellScalars=!1;const i=t.renderable.getScalarMode();t.renderable.getScalarVisibility()&&(i!==$d.USE_CELL_DATA&&i!==$d.USE_CELL_FIELD_DATA&&i!==$d.USE_FIELD_DATA&&o.getPointData().getScalars()||i===$d.USE_POINT_FIELD_DATA||!a||(t.haveCellScalars=!0));let s=r.getProperty().getInterpolation()!==Kd.FLAT?o.getPointData().getNormals():null;null===s&&o.getCellData().getNormals()&&(t.haveCellNormals=!0,s=o.getCellData().getNormals());const l=r.getProperty().getRepresentation();let c=o.getPointData().getTCoords();if(t.openGLActor.getActiveTextures()||(c=null),t.renderable.getColorCoordinates()){c=t.renderable.getColorCoordinates(),t.internalColorTexture||(t.internalColorTexture=Fd.newInstance({resizable:!0}));const e=t.internalColorTexture;e.setMinificationFilter(qd.NEAREST),e.setMagnificationFilter(qd.NEAREST),e.setWrapS(Xd.CLAMP_TO_EDGE),e.setWrapT(Xd.CLAMP_TO_EDGE),e.setOpenGLRenderWindow(t._openGLRenderWindow);const n=t.renderable.getColorTextureMap(),r=n.getExtent(),o=n.getPointData().getScalars();e.create2DFromRaw(r[1]-r[0]+1,r[3]-r[2]+1,o.getNumberOfComponents(),o.getDataType(),o.getData()),e.activate(),e.sendParameters(),e.deactivate()}const u=`${o.getMTime()}A${l}B${o.getMTime()}C${s?s.getMTime():1}D${a?a.getMTime():1}E${r.getProperty().getEdgeVisibility()}F${c?c.getMTime():1}`;if(t.VBOBuildString!==u){const n={points:o.getPoints(),normals:s,tcoords:c,colors:a,cellOffset:0,vertexOffset:0,haveCellScalars:t.haveCellScalars,haveCellNormals:t.haveCellNormals,customAttributes:t.renderable.getCustomShaderAttributes().map((e=>o.getPointData().getArrayByName(e)))};t.renderable.getPopulateSelectionSettings()&&(t.selectionWebGLIdsToVTKIds={points:null,cells:null});const i=[{inRep:"verts",cells:o.getVerts()},{inRep:"lines",cells:o.getLines()},{inRep:"polys",cells:o.getPolys()},{inRep:"strips",cells:o.getStrips()},{inRep:"polys",cells:o.getPolys()},{inRep:"strips",cells:o.getStrips()}],d=r.getProperty().getEdgeVisibility()&&l===jd.SURFACE;for(let e=Hd.Start;e{let e=0;return t.primitives.forEach((t=>{e+=t.getAllocatedGPUMemoryInBytes()})),e}}const tp={context:null,VBOBuildTime:0,VBOBuildString:null,primitives:null,primTypes:null,shaderRebuildString:null,tmpMat4:null,ambientColor:[],diffuseColor:[],specularColor:[],lightColor:[],lightDirection:[],lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastSelectionState:Hl.MIN_KNOWN_PASS-1,selectionStateChanged:null,selectionWebGLIdsToVTKIds:null,pointPicking:!1};function np(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,tp,n),Zt.extend(e,t,n),Ud(e,t,n),zd(e,t,n),t.primitives=[],t.primTypes=Hd,t.tmpMat3=pe(new Float64Array(9)),t.tmpMat4=g(new Float64Array(16));for(let e=Hd.Start;e{t.lookupTable=Ll.newInstance()},e.getColorModeAsString=()=>jt.enumToString(ap,t.colorMode),e.setColorModeToDefault=()=>e.setColorMode(0),e.setColorModeToMapScalars=()=>e.setColorMode(1),e.setColorModeToDirectScalars=()=>e.setColorMode(2),e.getScalarModeAsString=()=>jt.enumToString(ip,t.scalarMode),e.setScalarModeToDefault=()=>e.setScalarMode(0),e.setScalarModeToUsePointData=()=>e.setScalarMode(1),e.setScalarModeToUseCellData=()=>e.setScalarMode(2),e.setScalarModeToUsePointFieldData=()=>e.setScalarMode(3),e.setScalarModeToUseCellFieldData=()=>e.setScalarMode(4),e.setScalarModeToUseFieldData=()=>e.setScalarMode(5),e.getAbstractScalars=(e,n,r,o,a)=>{if(!e||!t.scalarVisibility)return{scalars:null,cellFLag:!1};let i=null,s=!1;if(n===ip.DEFAULT)i=e.getPointData().getScalars(),i||(i=e.getCellData().getScalars(),s=!0);else if(n===ip.USE_POINT_DATA)i=e.getPointData().getScalars();else if(n===ip.USE_CELL_DATA)i=e.getCellData().getScalars(),s=!0;else if(n===ip.USE_POINT_FIELD_DATA){const t=e.getPointData();i=r===sp.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}else if(n===ip.USE_CELL_FIELD_DATA){const t=e.getCellData();s=!0,i=r===sp.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}else if(n===ip.USE_FIELD_DATA){const t=e.getFieldData();i=r===sp.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}return{scalars:i,cellFlag:s}},e.getLookupTable=()=>(t.lookupTable||e.createDefaultLookupTable(),t.lookupTable),e.getMTime=()=>{let e=t.mtime;if(null!==t.lookupTable){const n=t.lookupTable.getMTime();e=n>e?n:e}return e},e.mapScalars=(n,r)=>{const o=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!o)return void(t.colorMapColors=null);const a=`${e.getMTime()}${o.getMTime()}${r}`;if(t.colorBuildString===a)return;t.useLookupTableScalarRange||e.getLookupTable().setRange(t.scalarRange[0],t.scalarRange[1]);const i=e.getLookupTable();i&&(i.build(),t.colorMapColors=i.mapScalars(o,t.colorMode,t.fieldDataTupleId)),t.colorBuildString=`${e.getMTime()}${o.getMTime()}${r}`},e.getPrimitiveCount=()=>{const t=e.getInputData();return{points:t.getPoints().getNumberOfValues()/3,verts:t.getVerts().getNumberOfValues()-t.getVerts().getNumberOfCells(),lines:t.getLines().getNumberOfValues()-2*t.getLines().getNumberOfCells(),triangles:t.getPolys().getNumberOfValues()-3*t.getPolys().getNumberOfCells()}}}const cp={static:!1,lookupTable:null,scalarVisibility:!1,scalarRange:[0,1],useLookupTableScalarRange:!1,colorMode:0,scalarMode:0,arrayAccessMode:1,renderTime:0,colorByArrayName:null,transformCoordinate:null,viewSpecificProperties:null,customShaderAttributes:[]};function up(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,cp,n),Bs(e,t,n),jt.get(e,t,["colorMapColors"]),jt.setGet(e,t,["arrayAccessMode","colorByArrayName","colorMode","lookupTable","renderTime","scalarMode","scalarVisibility","static","transformCoordinate","useLookupTableScalarRange","viewSpecificProperties","customShaderAttributes"]),jt.setGetArray(e,t,["scalarRange"],2),t.viewSpecificProperties||(t.viewSpecificProperties={}),lp(e,t)}var dp={newInstance:jt.newInstance(up,"vtkMapper2D"),extend:up};const pp={BACKGROUND:0,FOREGROUND:1};var fp={DisplayLocation:pp};const{primTypes:gp}=xd,{ScalarMode:mp}=dp,{vtkErrorMacro:hp}=Kt,vp={type:"StartEvent"},yp={type:"EndEvent"};function bp(e,t){t.classHierarchy.push("vtkOpenGLPolyDataMapper2D"),e.buildPass=n=>{n&&(t.openGLActor2D=e.getFirstAncestorOfType("vtkOpenGLActor2D"),t._openGLRenderer=t.openGLActor2D.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.openGLCamera=t._openGLRenderer.getViewNodeFor(t._openGLRenderer.getRenderable().getActiveCamera()))},e.overlayPass=t=>{t&&e.render()},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyData2DVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\n// all variables that represent positions or directions have a suffix\n// indicating the coordinate system they are in. The possible values are\n// MC - Model Coordinates\n// WC - WC world coordinates\n// VC - View Coordinates\n// DC - Display Coordinates\n\nin vec4 vertexWC;\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// material property values\n//VTK::Color::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\nuniform mat4 WCVCMatrix; // World to view matrix\n\nvoid main()\n{\n // Apple Bug\n //VTK::PrimID::Impl\n\n gl_Position = WCVCMatrix*vertexWC;\n\n //VTK::TCoord::Impl\n\n //VTK::Color::Impl\n\n //VTK::PositionVC::Impl\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyData2DFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nuniform int PrimitiveIDOffset;\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// Scalar coloring\n//VTK::Color::Dec\n\n// Depth Peeling\n//VTK::DepthPeeling::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\nvoid main()\n{\n // Apple Bug\n //VTK::PrimID::Impl\n\n //VTK::Color::Impl\n //VTK::TCoord::Impl\n\n //VTK::DepthPeeling::Impl\n //VTK::Picking::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n}\n",e.Geometry=""},e.render=()=>{const n=t._openGLRenderWindow.getContext();if(t.context!==n){t.context=n;for(let e=gp.Start;e{e.invokeEvent(vp),t.renderable.getStatic()||t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.invokeEvent(yp),t.currentInput?t.currentInput.getPoints&&t.currentInput.getPoints().getNumberOfValues()&&(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):hp("No input!")},e.renderPieceStart=(n,r)=>{t.primitiveIDOffset=0,t._openGLRenderer.getSelector()&&(t._openGLRenderer.getSelector().getCurrentPass(),t._openGLRenderer.getSelector().renderProp(r)),e.updateBufferObjects(n,r),t.lastBoundBO=null},e.getNeedToRebuildShaders=(e,n,r)=>e.getShaderSourceTime().getMTime(){e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>{const o=t.VBOBuildTime.getMTime();return!!(o{const r=t.currentInput;if(null===r)return;t.renderable.mapScalars(r,n.getProperty().getOpacity());const o=t.renderable.getColorMapColors();t.haveCellScalars=!1;const a=t.renderable.getScalarMode();t.renderable.getScalarVisibility()&&(a!==mp.USE_CELL_DATA&&a!==mp.USE_CELL_FIELD_DATA&&a!==mp.USE_FIELD_DATA&&r.getPointData().getScalars()||a===mp.USE_POINT_FIELD_DATA||!o||(t.haveCellScalars=!0));const i=n.getProperty().getRepresentation();let s=r.getPointData().getTCoords();t.openGLActor2D.getActiveTextures()||(s=null);const l=t.renderable.getTransformCoordinate(),c=e.getRenderWindow().getViews()[0].getViewportSize(e),u=`${r.getMTime()}A${i}B${r.getMTime()}C${o?o.getMTime():1}D${s?s.getMTime():1}E${l?e.getMTime():1}F${c}`;if(t.VBOBuildString!==u){let n=r.getPoints();if(l){const t=vc.newInstance(),r=n.getNumberOfPoints();t.setNumberOfPoints(r);const o=[];for(let a=0;ar.getPointData().getArrayByName(e)))};a.cellOffset+=t.primitives[gp.Points].getCABO().createVBO(r.getVerts(),"verts",i,a),a.cellOffset+=t.primitives[gp.Lines].getCABO().createVBO(r.getLines(),"lines",i,a),a.cellOffset+=t.primitives[gp.Tris].getCABO().createVBO(r.getPolys(),"polys",i,a),a.cellOffset+=t.primitives[gp.TriStrips].getCABO().createVBO(r.getStrips(),"strips",i,a),t.VBOBuildTime.modified(),t.VBOBuildString=u}},e.renderPieceDraw=(n,r)=>{const o=r.getProperty().getRepresentation();t.context.depthMask(!0);for(let a=gp.Start;a{t.lastBoundBO&&t.lastBoundBO.getVAO().release()},e.replaceShaderValues=(t,n,r)=>{e.replaceShaderColor(t,n,r),e.replaceShaderTCoord(t,n,r),e.replaceShaderPicking(t,n,r),e.replaceShaderPositionVC(t,n,r)},e.replaceShaderColor=(e,n,r)=>{let o=e.Vertex,a=e.Geometry,i=e.Fragment;t.haveCellScalars&&(i=dd.substitute(i,"//VTK::Color::Dec",["uniform samplerBuffer texture1;"]).result,i=dd.substitute(i,"//VTK::Color::Impl",["gl_FragData[0] = texelFetchBuffer(texture1, gl_PrimitiveID + PrimitiveIDOffset);"]).result),0!==t.lastBoundBO.getCABO().getColorComponents()?(o=dd.substitute(o,"//VTK::Color::Dec",["in vec4 diffuseColor;","out vec4 fcolorVSOutput;"]).result,o=dd.substitute(o,"//VTK::Color::Impl",["fcolorVSOutput = diffuseColor;"]).result,a=dd.substitute(a,"//VTK::Color::Dec",["in vec4 fcolorVSOutput[];\n","out vec4 fcolorGSOutput;"]).result,a=dd.substitute(a,"//VTK::Color::Impl",["fcolorGSOutput = fcolorVSOutput[i];"]).result,i=dd.substitute(i,"//VTK::Color::Dec",["in vec4 fcolorVSOutput;"]).result,i=dd.substitute(i,"//VTK::Color::Impl",["gl_FragData[0] = fcolorVSOutput;"]).result):(i=dd.substitute(i,"//VTK::Color::Dec",["uniform vec4 diffuseColor;"]).result,i=dd.substitute(i,"//VTK::Color::Impl",["gl_FragData[0] = diffuseColor;"]).result),e.Vertex=o,e.Geometry=a,e.Fragment=i},e.replaceShaderTCoord=(e,n,r)=>{if(t.lastBoundBO.getCABO().getTCoordOffset()){let n=e.Vertex,r=e.Geometry,o=e.Fragment;const a=t.lastBoundBO.getCABO().getTCoordComponents();1===a?(n=dd.substitute(n,"//VTK::TCoord::Dec",["in float tcoordMC;","out float tcoordVCVSOutput;"]).result,n=dd.substitute(n,"//VTK::TCoord::Impl",["tcoordVCVSOutput = tcoordMC;"]).result,r=dd.substitute(r,"//VTK::TCoord::Dec",["in float tcoordVCVSOutput[];\n","out float tcoordVCGSOutput;"]).result,r=dd.substitute(r,["//VTK::TCoord::Impl","tcoordVCGSOutput = tcoordVCVSOutput[i];"]).result,o=dd.substitute(o,"//VTK::TCoord::Dec",["in float tcoordVCVSOutput;","uniform sampler2D texture1;"]).result,o=dd.substitute(o,"//VTK::TCoord::Impl",["gl_FragData[0] = gl_FragData[0]*texture2D(texture1, vec2(tcoordVCVSOutput,0));"]).result):2===a&&(n=dd.substitute(n,"//VTK::TCoord::Dec",["in vec2 tcoordMC;","out vec2 tcoordVCVSOutput;"]).result,n=dd.substitute(n,"//VTK::TCoord::Impl",["tcoordVCVSOutput = tcoordMC;"]).result,r=dd.substitute(r,"//VTK::TCoord::Dec",["in vec2 tcoordVCVSOutput[];\n","out vec2 tcoordVCGSOutput;"]).result,r=dd.substitute(r,"//VTK::TCoord::Impl",["tcoordVCGSOutput = tcoordVCVSOutput[i];"]).result,o=dd.substitute(o,"//VTK::TCoord::Dec",["in vec2 tcoordVCVSOutput;","uniform sampler2D texture1;"]).result,o=dd.substitute(o,"//VTK::TCoord::Impl",["gl_FragData[0] = gl_FragData[0]*texture2D(texture1, tcoordVCVSOutput.st);"]).result),t.haveCellScalars&&(r=dd.substitute(r,"//VTK::PrimID::Impl",["gl_PrimitiveID = gl_PrimitiveIDIn;"]).result),e.Vertex=n,e.Geometry=r,e.Fragment=o}},e.replaceShaderPicking=(e,t,n)=>{let r=e.Fragment;r=dd.substitute(r,"//VTK::Picking::Dec",["uniform vec3 mapperIndex;","uniform int picking;"]).result,r=dd.substitute(r,"//VTK::Picking::Impl"," gl_FragData[0] = picking != 0 ? vec4(mapperIndex,1.0) : gl_FragData[0];").result,e.Fragment=r},e.replaceShaderPositionVC=(e,n,r)=>{t.lastBoundBO.replaceShaderPositionVC(e,n,r)},e.invokeShaderCallbacks=(e,n,r)=>{const o=t.renderable.getViewSpecificProperties().ShadersCallbacks;o&&o.forEach((t=>{t.callback(t.userData,e,n,r)}))},e.setMapperShaderParameters=(e,n,r)=>{if(e.getProgram().isUniformUsed("PrimitiveIDOffset")&&e.getProgram().setUniformi("PrimitiveIDOffset",t.primitiveIDOffset),e.getProgram().isAttributeUsed("vertexWC")&&(e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),"vertexWC",e.getCABO().getVertexOffset(),e.getCABO().getStride(),t.context.FLOAT,3,!1)||hp("Error setting vertexWC in shader VAO.")),e.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>e.getAttributeUpdateTime().getMTime()||e.getShaderSourceTime().getMTime()>e.getAttributeUpdateTime().getMTime())){t.renderable.getCustomShaderAttributes().forEach(((n,r)=>{e.getProgram().isAttributeUsed(`${n}MC`)&&(e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),`${n}MC`,e.getCABO().getCustomData()[r].offset,e.getCABO().getStride(),t.context.FLOAT,e.getCABO().getCustomData()[r].components,!1)||hp(`Error setting ${n}MC in shader VAO.`))})),e.getProgram().isAttributeUsed("tcoordMC")&&e.getCABO().getTCoordOffset()?e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),"tcoordMC",e.getCABO().getTCoordOffset(),e.getCABO().getStride(),t.context.FLOAT,e.getCABO().getTCoordComponents(),!1)||hp("Error setting tcoordMC in shader VAO."):e.getVAO().removeAttributeArray("tcoordMC"),t.internalColorTexture&&e.getProgram().isUniformUsed("texture1")&&e.getProgram().setUniformi("texture1",t.internalColorTexture.getTextureUnit());const o=t.openGLActor2D.getActiveTextures();if(o)for(let t=0;t{const o=t.renderable.getColorMapColors();if(!o||0===o.getNumberOfComponents()){const t=e.getProgram(),n=r.getProperty(),o=n.getOpacity(),a=n.getColor(),i=[a[0],a[1],a[2],o];t.setUniform4f("diffuseColor",i)}},e.setLightingShaderParameters=(e,t,n)=>{},e.setCameraShaderParameters=(e,n,o)=>{const a=e.getProgram(),i=e.getCABO().getCoordShiftAndScaleEnabled()?e.getCABO().getInverseShiftAndScaleMatrix():null,s=n.getRenderWindow().getViews()[0].getViewportSize(n),l=n.getViewport(),c=o.getActualPositionCoordinate().getComputedDoubleViewportValue(n),u=[0,0,1,1],d=[0,0,1,1];if(d[0]=l[0]>=u[0]?l[0]:u[0],d[1]=l[1]>=u[1]?l[1]:u[1],d[2]=l[2]<=u[2]?l[2]:u[2],d[3]=l[3]<=u[3]?l[3]:u[3],d[0]>=d[2])return;if(d[1]>=d[3])return;s[0]=Vo(s[0]*(d[2]-d[0])/(l[2]-l[0])),s[1]=Vo(s[1]*(d[3]-d[1])/(l[3]-l[1]));const p=t._openGLRenderer.getParent().getSize(),f=Vo(c[0]-(d[0]-l[0])*p[0]),h=Vo(c[1]-(d[1]-l[1])*p[1]),v=-f;let y=-f+s[0];const b=-h;let x=-h+s[1];v===y&&(y=v+1),b===x&&(x=b+1);const T=g(new Float64Array(16));var C,S,P;T[0]=2/(y-v),T[5]=2/(x-b),T[3]=-1*(y+v)/(y-v),T[7]=-1*(x+b)/(x-b),T[10]=0,T[11]=o.getProperty().getDisplayLocation()===pp.FOREGROUND?-1:1,T[15]=1,m(T,T),a.setUniformMatrix("WCVCMatrix",(C=[T,i],S=r,P=t.tmpMat4,S.identity(P),C.reduce(((e,t,n)=>0===n?t?S.copy(e,t):S.identity(e):t?S.multiply(e,e,t):e),P)))},e.getAllocatedGPUMemoryInBytes=()=>{let e=0;return t.primitives.forEach((t=>{e+=t.getAllocatedGPUMemoryInBytes()})),e}}const xp={context:null,VBOBuildTime:0,VBOBuildString:null,primitives:null,primTypes:null,shaderRebuildString:null};const Tp=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,xp,n),Zt.extend(e,t,n),Ud(e,t,n),zd(e,t,n),t.primitives=[],t.primTypes=gp,t.tmpMat4=g(new Float64Array(16));for(let e=gp.Start;e{const n=e.getLastSize(),r=(n[0]/700)**.8,o=(n[1]/700)**.8,a=Math.min(r,o),i=e.getAxisTextStyle(),s=e.getTickTextStyle();Object.assign(i,t.axisTextStyle),Object.assign(s,t.tickTextStyle),i.fontSize=Math.max(24*a,12),e.getLastAspectRatio()>1?s.fontSize=Math.max(20*a,10):s.fontSize=Math.max(16*a,10);const l=e.updateTextureAtlas();e.setTopTitle(!1);const c=e.getBoxSizeByReference();if(e.getLastAspectRatio()>1)e.setTickLabelPixelOffset(.3*s.fontSize),l.titleWidth<=l.tickWidth+e.getTickLabelPixelOffset()+.8*s.fontSize?(e.setTopTitle(!0),e.setAxisTitlePixelOffset(.2*s.fontSize),c[0]=2*(l.tickWidth+e.getTickLabelPixelOffset()+.8*s.fontSize)/n[0],e.setBoxPosition([.98-c[0],-.92])):(e.setAxisTitlePixelOffset(.2*s.fontSize),c[0]=2*(l.titleHeight+e.getAxisTitlePixelOffset()+l.tickWidth+e.getTickLabelPixelOffset()+.8*s.fontSize)/n[0],e.setBoxPosition([.99-c[0],-.92])),c[1]=Math.max(1.2,Math.min(1.84/o,1.84));else{e.setAxisTitlePixelOffset(1.2*s.fontSize),e.setTickLabelPixelOffset(.1*s.fontSize);const t=2*(.8*s.fontSize+l.titleHeight+e.getAxisTitlePixelOffset())/n[1],r=2*l.tickWidth/n[0];c[0]=Math.min(1.9,Math.max(1.4,1.4*r*(e.getTicks().length+3))),c[1]=t,e.setBoxPosition([-.5*c[0],-.97])}e.recomputeBarSegments(l)}}function Ap(e,t){return e=>{const t=e.getLastTickBounds(),n=mo().domain([t[0],t[1]]),r=n.ticks(5),o=n.tickFormat(5);e.setTicks(r),e.setTickStrings(r.map(o))}}function Ip(e,t){t.classHierarchy.push("vtkScalarBarActorHelper"),e.setRenderable=n=>{t.renderable!==n&&(t.renderable=n,t.barActor.setProperty(n.getProperty()),t.barActor.setParentProp(n),t.barActor.setCoordinateSystemToDisplay(),t.tmActor.setProperty(n.getProperty()),t.tmActor.setParentProp(n),t.tmActor.setCoordinateSystemToDisplay(),t.generateTicks=n.generateTicks,t.axisTextStyle={...n.getAxisTextStyle()},t.tickTextStyle={...n.getTickTextStyle()},e.modified())},e.updateAPISpecificData=(n,r,o)=>{t.lastSize[0]===n[0]&&t.lastSize[1]===n[1]||(t.lastSize[0]=n[0],t.lastSize[1]=n[1],t.lastAspectRatio=n[0]/n[1],t.forceUpdate=!0);const a=t.renderable.getScalarsToColors();if(a&&t.renderable.getVisibility()&&(t.barMapper.setLookupTable(a),t.camera=r,t.renderWindow=o,t.forceUpdate||Math.max(a.getMTime(),e.getMTime(),t.renderable.getMTime())>t.lastRebuildTime.getMTime())){const n=a.getMappingRange();if(t.lastTickBounds=[...n],t.renderable.getGenerateTicks()(e),t.renderable.getAutomated())t.renderable.getAutoLayout()(e);else{t.axisTextStyle={...t.renderable.getAxisTextStyle()},t.tickTextStyle={...t.renderable.getTickTextStyle()},t.barPosition=[...t.renderable.getBarPosition()],t.barSize=[...t.renderable.getBarSize()],t.boxPosition=[...t.renderable.getBoxPosition()],t.boxSize=[...t.renderable.getBoxSize()],t.axisTitlePixelOffset=t.renderable.getAxisTitlePixelOffset(),t.tickLabelPixelOffset=t.renderable.getTickLabelPixelOffset();const n=e.updateTextureAtlas();e.recomputeBarSegments(n)}e.updatePolyDataForLabels(),e.updatePolyDataForBarSegments(),t.lastRebuildTime.modified(),t.forceUpdate=!1}},e.updateTextureAtlas=()=>{t.tmContext.textBaseline="bottom",t.tmContext.textAlign="left";const n={},r=new Map;let o=0,a=1;Sp(t.tmContext,t.axisTextStyle);let i=t.tmContext.measureText(t.renderable.getAxisLabel()),s={height:i.actualBoundingBoxAscent+2,startingHeight:a,width:i.width+2,textStyle:t.axisTextStyle};r.set(t.renderable.getAxisLabel(),s),a+=s.height,o=s.width,n.titleWidth=s.width,n.titleHeight=s.height,n.tickWidth=0,n.tickHeight=0,Sp(t.tmContext,t.tickTextStyle);const l=[...e.getTickStrings(),"NaN","Below","Above"];for(let e=0;e{e.tcoords=[0,(a-e.startingHeight-e.height)/a,e.width/o,(a-e.startingHeight-e.height)/a,e.width/o,(a-e.startingHeight)/a,0,(a-e.startingHeight)/a]})),t.tmCanvas.width=o,t.tmCanvas.height=a,t.tmContext.textBaseline="bottom",t.tmContext.textAlign="left",t.tmContext.clearRect(0,0,o,a),r.forEach(((e,n)=>{Sp(t.tmContext,e.textStyle),t.tmContext.fillText(n,1,e.startingHeight+e.height-1)})),t.tmTexture.setCanvas(t.tmCanvas),t.tmTexture.modified(),t._tmAtlas=r,n},e.computeBarSize=e=>{t.vertical=t.boxSize[1]>t.boxSize[0];const n=2*e.tickHeight/t.lastSize[1],r=[1,1];if(t.vertical){const o=2*(e.tickWidth+t.tickLabelPixelOffset)/t.lastSize[0];if(t.topTitle){const n=2*(e.titleHeight+t.axisTitlePixelOffset)/t.lastSize[1];t.barSize[0]=t.boxSize[0]-o,t.barSize[1]=t.boxSize[1]-n}else{const n=2*(e.titleHeight+t.axisTitlePixelOffset)/t.lastSize[0];t.barSize[0]=t.boxSize[0]-n-o,t.barSize[1]=t.boxSize[1]}t.barPosition[0]=t.boxPosition[0]+o,t.barPosition[1]=t.boxPosition[1],r[1]=n}else{const n=(2*e.tickWidth-8)/t.lastSize[0],o=2*(e.titleHeight+t.axisTitlePixelOffset)/t.lastSize[1];t.barSize[0]=t.boxSize[0],t.barPosition[0]=t.boxPosition[0],t.barSize[1]=t.boxSize[1]-o,t.barPosition[1]=t.boxPosition[1],r[0]=n}return r},e.recomputeBarSegments=n=>{const r=e.computeBarSize(n);t.barSegments=[];const o=[0,0],a=t.vertical?1:0,i=t.vertical?.01:.02;function s(e,n){t.barSegments.push({corners:[[...o],[o[0]+r[0],o[1]],[o[0]+r[0],o[1]+r[1]],[o[0],o[1]+r[1]]],scalars:n,title:e}),o[a]+=r[a]+i}t.renderable.getDrawNanAnnotation()&&t.renderable.getScalarsToColors().getNanColor()&&s("NaN",[NaN,NaN,NaN,NaN]),t.renderable.getDrawBelowRangeSwatch()&&t.renderable.getScalarsToColors().getUseBelowRangeColor?.()&&s("Below",[-.1,-.1,-.1,-.1]);const l=t.renderable.getScalarsToColors().getUseAboveRangeColor?.();o[a]+=i;const c=r[a];r[a]=l?1-2*i-r[a]-o[a]:1-i-o[a],s("ticks",t.vertical?[0,0,.995,.995]:[0,.995,.995,0]),t.renderable.getDrawAboveRangeSwatch()&&l&&(r[a]=c,o[a]+=i,s("Above",[1.1,1.1,1.1,1.1]))};const n=new Float64Array(3);e.createPolyDataForOneLabel=(e,r,o,a,i,s)=>{const l=t._tmAtlas.get(e);if(!l)return;let c=s.ptIdx,u=s.cellIdx;n[0]=(.5*r[0]+.5)*t.lastSize[0],n[1]=(.5*r[1]+.5)*t.lastSize[1],n[2]=r[2],n[0]+=i[0],n[1]+=i[1];const d=[],p="vertical"===a?[1,0]:[0,1];"vertical"===a?(d[0]=l.width,d[1]=-l.height,"middle"===o[0]?n[1]-=l.width/2:"right"===o[0]&&(n[1]-=l.width),"middle"===o[1]?n[0]+=l.height/2:"top"===o[1]&&(n[0]+=l.height)):(d[0]=l.width,d[1]=l.height,"middle"===o[0]?n[0]-=l.width/2:"right"===o[0]&&(n[0]-=l.width),"middle"===o[1]?n[1]-=l.height/2:"top"===o[1]&&(n[1]-=l.height)),s.points[3*c]=n[0],s.points[3*c+1]=n[1],s.points[3*c+2]=n[2],s.tcoords[2*c]=l.tcoords[0],s.tcoords[2*c+1]=l.tcoords[1],c++,n[p[0]]+=d[0],s.points[3*c]=n[0],s.points[3*c+1]=n[1],s.points[3*c+2]=n[2],s.tcoords[2*c]=l.tcoords[2],s.tcoords[2*c+1]=l.tcoords[3],c++,n[p[1]]+=d[1],s.points[3*c]=n[0],s.points[3*c+1]=n[1],s.points[3*c+2]=n[2],s.tcoords[2*c]=l.tcoords[4],s.tcoords[2*c+1]=l.tcoords[5],c++,n[p[0]]-=d[0],s.points[3*c]=n[0],s.points[3*c+1]=n[1],s.points[3*c+2]=n[2],s.tcoords[2*c]=l.tcoords[6],s.tcoords[2*c+1]=l.tcoords[7],c++,s.polys[4*u]=3,s.polys[4*u+1]=c-4,s.polys[4*u+2]=c-3,s.polys[4*u+3]=c-2,u++,s.polys[4*u]=3,s.polys[4*u+1]=c-4,s.polys[4*u+2]=c-2,s.polys[4*u+3]=c-1,s.ptIdx+=4,s.cellIdx+=2};const r=new Float64Array(3);e.updatePolyDataForLabels=()=>{const n=e.getTickStrings().length+t.barSegments.length,o=4*n,a=2*n,i=new Float64Array(3*o),s=new Uint16Array(4*a),l=new Float32Array(2*o),c={ptIdx:0,cellIdx:0,polys:s,points:i,tcoords:l},u=t.vertical?0:1,d=t.vertical?1:0;r[2]=-.99;const p=t.vertical?["right","middle"]:["middle","bottom"];let f=[0,1];const g=[0,0];t.vertical?(g[0]=-t.tickLabelPixelOffset,t.topTitle?(r[0]=t.boxPosition[0]+.5*t.boxSize[0],r[1]=t.barPosition[1]+t.barSize[1],e.createPolyDataForOneLabel(t.renderable.getAxisLabel(),r,["middle","bottom"],"horizontal",[0,t.axisTitlePixelOffset],c)):(r[0]=t.barPosition[0]+t.barSize[0],r[1]=t.barPosition[1]+.5*t.barSize[1],e.createPolyDataForOneLabel(t.renderable.getAxisLabel(),r,["middle","top"],"vertical",[t.axisTitlePixelOffset,0],c)),f=[-1,0]):(g[1]=t.tickLabelPixelOffset,r[0]=t.barPosition[0]+.5*t.barSize[0],r[1]=t.barPosition[1]+t.barSize[1],e.createPolyDataForOneLabel(t.renderable.getAxisLabel(),r,["middle","bottom"],"horizontal",[0,t.axisTitlePixelOffset],c)),r[u]=t.barPosition[u]+(.5*f[u]+.5)*t.barSize[u],r[d]=t.barPosition[d]+.5*t.barSize[d];let m=null;for(let n=0;n{const e=t.renderable.getScalarsToColors();let n=0;t.renderable.getDrawNanAnnotation()&&e.getNanColor()&&(n+=1),t.renderable.getDrawBelowRangeSwatch()&&e.getUseBelowRangeColor?.()&&(n+=1),t.renderable.getDrawAboveRangeSwatch()&&e.getUseAboveRangeColor?.()&&(n+=1);const o=4*(1+n),a=o;let i=1;e.getVectorMode()===Cp.COMPONENT&&(i=e.getVectorComponent()+1);const s=new Float64Array(3*o),l=new Uint16Array(5*a),c=new Float32Array(o*i);let u=0,d=0;for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{renderable:null};Object.assign(t,{},n),jt.obj(e,t),jt.setGet(e,t,["axisTitlePixelOffset","tickLabelPixelOffset","renderable","topTitle","ticks","tickStrings"]),jt.get(e,t,["lastSize","lastAspectRatio","lastTickBounds","axisTextStyle","tickTextStyle","barActor","tmActor"]),jt.getArray(e,t,["boxPosition","boxSize"]),jt.setArray(e,t,["boxPosition","boxSize"],2),t.forceUpdate=!1,t.lastRebuildTime={},jt.obj(t.lastRebuildTime,{mtime:0}),t.lastSize=[-1,-1],t.tmCanvas=document.createElement("canvas"),t.tmContext=t.tmCanvas.getContext("2d"),t._tmAtlas=new Map,t.barMapper=oc.newInstance(),t.barMapper.setInterpolateScalarsBeforeMapping(!0),t.barMapper.setUseLookupTableScalarRange(!0),t.polyData=hu.newInstance(),t.barMapper.setInputData(t.polyData),t.barActor=hs.newInstance(),t.barActor.setMapper(t.barMapper),t.tmPolyData=hu.newInstance(),t.tmMapper=oc.newInstance(),t.tmMapper.setInputData(t.tmPolyData),t.tmTexture=Tu.newInstance({resizable:!0}),t.tmTexture.setInterpolate(!1),t.tmActor=hs.newInstance({parentProp:e}),t.tmActor.setMapper(t.tmMapper),t.tmActor.addTexture(t.tmTexture),t.barPosition=[0,0],t.barSize=[0,0],t.boxPosition=[.88,-.92],t.boxSize=[.1,1.1],t.lastTickBounds=[],Ip(e,t)}),"vtkScalarBarActorHelper");function Op(e,t){t.classHierarchy.push("vtkScalarBarActor"),e.setTickTextStyle=n=>{t.tickTextStyle={...t.tickTextStyle,...n},e.modified()},e.setAxisTextStyle=n=>{t.axisTextStyle={...t.axisTextStyle,...n},e.modified()},e.resetAutoLayoutToDefault=()=>{e.setAutoLayout(Pp(0,t))},e.resetGenerateTicksToDefault=()=>{e.setGenerateTicks(Ap())}}function Mp(e){return{automated:!0,autoLayout:null,axisLabel:"Scalar Value",barPosition:[0,0],barSize:[0,0],boxPosition:[.88,-.92],boxSize:[.1,1.1],scalarToColors:null,axisTitlePixelOffset:36,axisTextStyle:{fontColor:"white",fontStyle:"normal",fontSize:18,fontFamily:"serif"},tickLabelPixelOffset:14,tickTextStyle:{fontColor:"white",fontStyle:"normal",fontSize:14,fontFamily:"serif"},generateTicks:null,drawNanAnnotation:!0,drawBelowRangeSwatch:!0,drawAboveRangeSwatch:!0,...e}}function Rp(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Mp(n)),t.autoLayout||(t.autoLayout=Pp(0,t)),t.generateTicks||(t.generateTicks=Ap()),hs.extend(e,t,n),e.getProperty().setDiffuse(0),e.getProperty().setAmbient(1),jt.setGet(e,t,["automated","autoLayout","axisTitlePixelOffset","axisLabel","scalarsToColors","tickLabelPixelOffset","generateTicks","drawNanAnnotation","drawBelowRangeSwatch","drawAboveRangeSwatch"]),jt.get(e,t,["axisTextStyle","tickTextStyle"]),jt.getArray(e,t,["barPosition","barSize","boxPosition","boxSize"]),jt.setArray(e,t,["barPosition","barSize","boxPosition","boxSize"],2),Op(e,t)}var Vp={newInstance:jt.newInstance(Rp,"vtkScalarBarActor"),extend:Rp,newScalarBarActorHelper:wp};function Ep(e,t){t.classHierarchy.push("vtkOpenGLScalarBarActor"),e.buildPass=n=>{n&&(t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.scalarBarActorHelper.getRenderable()||t.scalarBarActorHelper.setRenderable(t.renderable),e.prepareNodes(),e.addMissingNode(t.scalarBarActorHelper.getBarActor()),e.addMissingNode(t.scalarBarActorHelper.getTmActor()),e.removeUnusedNodes())},e.opaquePass=(e,n)=>{if(e){const e=t._openGLRenderer?t._openGLRenderer.getRenderable().getActiveCamera():null,n=t._openGLRenderer.getTiledSizeAndOrigin();t.scalarBarActorHelper.updateAPISpecificData([n.usize,n.vsize],e,t._openGLRenderWindow.getRenderable())}}}const Dp={};const Lp=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Dp,n),Zt.extend(e,t,n),t.scalarBarActorHelper=Vp.newScalarBarActorHelper(),Ep(e,t)}),"vtkOpenGLScalarBarActor");rn("vtkScalarBarActor",Lp);const{vtkErrorMacro:Bp}=Kt;function Np(e,t){t.classHierarchy.push("vtkOpenGLSkybox"),e.buildPass=n=>{if(n){t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.openGLTexture.setOpenGLRenderWindow(t._openGLRenderWindow);const n=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera())}},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;n.incrementOpaqueActorCount()}},e.opaquePass=(n,r)=>{if(n&&!t._openGLRenderer.getSelector()){e.updateBufferObjects(),t.context.depthMask(!0),t._openGLRenderWindow.getShaderCache().readyShaderProgram(t.tris.getProgram()),t.openGLTexture.render(t._openGLRenderWindow);const n=t.openGLTexture.getTextureUnit();t.tris.getProgram().setUniformi("sbtexture",n);const r=t._openGLRenderer.getRenderable(),o=t.openGLCamera.getKeyMatrices(r),a=new Float64Array(16);if(h(a,o.wcpc),t.tris.getProgram().setUniformMatrix("IMCPCMatrix",a),"box"===t.lastFormat){const e=r.getActiveCamera().getPosition();t.tris.getProgram().setUniform3f("camPos",e[0],e[1],e[2])}t.tris.getVAO().bind(),t.context.drawArrays(t.context.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.openGLTexture.deactivate()}},e.updateBufferObjects=()=>{if(!t.tris.getCABO().getElementCount()){const e=new Float32Array(12);for(let t=0;t<4;t++)e[3*t]=t%2*2-1,e[3*t+1]=t>1?1:-1,e[3*t+2]=1;const n=Es.newInstance({numberOfComponents:3,values:e});n.setName("points");const r=new Uint16Array(8);r[0]=3,r[1]=0,r[2]=1,r[3]=3,r[4]=3,r[5]=0,r[6]=3,r[7]=2;const o=Es.newInstance({numberOfComponents:1,values:r});t.tris.getCABO().createVBO(o,"polys",rs.SURFACE,{points:n,cellOffset:0})}t.renderable.getFormat()!==t.lastFormat&&(t.lastFormat=t.renderable.getFormat(),"box"===t.lastFormat&&t.tris.setProgram(t._openGLRenderWindow.getShaderCache().readyShaderProgramArray("//VTK::System::Dec\n attribute vec3 vertexMC;\n uniform mat4 IMCPCMatrix;\n varying vec3 TexCoords;\n void main () {\n gl_Position = vec4(vertexMC.xyz, 1.0);\n vec4 wpos = IMCPCMatrix * gl_Position;\n TexCoords = wpos.xyz/wpos.w;\n }","//VTK::System::Dec\n //VTK::Output::Dec\n varying vec3 TexCoords;\n uniform samplerCube sbtexture;\n uniform vec3 camPos;\n void main () {\n // skybox looks from inside out\n // which means we have to adjust\n // our tcoords. Otherwise text would\n // be flipped\n vec3 tc = normalize(TexCoords - camPos);\n if (abs(tc.z) < max(abs(tc.x),abs(tc.y)))\n {\n tc = vec3(1.0, 1.0, -1.0) * tc;\n }\n else\n {\n tc = vec3(-1.0, 1.0, 1.0) * tc;\n }\n gl_FragData[0] = textureCube(sbtexture, tc);\n }","")),"background"===t.lastFormat&&t.tris.setProgram(t._openGLRenderWindow.getShaderCache().readyShaderProgramArray("//VTK::System::Dec\n attribute vec3 vertexMC;\n uniform mat4 IMCPCMatrix;\n varying vec2 TexCoords;\n void main () {\n gl_Position = vec4(vertexMC.xyz, 1.0);\n vec4 wpos = IMCPCMatrix * gl_Position;\n TexCoords = vec2(vertexMC.x, vertexMC.y)*0.5 + 0.5;\n }","//VTK::System::Dec\n //VTK::Output::Dec\n varying vec2 TexCoords;\n uniform sampler2D sbtexture;\n void main () {\n gl_FragData[0] = texture2D(sbtexture, TexCoords);\n }","")),t.tris.getShaderSourceTime().modified(),t.tris.getVAO().bind(),t.tris.getVAO().addAttributeArray(t.tris.getProgram(),t.tris.getCABO(),"vertexMC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Bp("Error setting vertexMC in shader VAO."));const e=t.renderable.getTextures();e.length||Bp("vtkSkybox requires a texture map"),t.openGLTexture.getRenderable()!==e[0]&&(t.openGLTexture.releaseGraphicsResources(t._openGLRenderWindow),t.openGLTexture.setRenderable(e[0]))}}const kp={context:null};const Fp=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,kp,n),Zt.extend(e,t,n),t.openGLTexture=Fd.newInstance(),t.tris=xd.newInstance(),t.keyMatrixTime={},yt(t.keyMatrixTime,{mtime:0}),t.keyMatrices={normalMatrix:pe(new Float64Array(9)),mcwc:g(new Float64Array(16))},Pt(e,t,["context"]),xt(e,t,["activeTextures"]),Np(e,t)}));rn("vtkSkybox",Fp);const{FieldAssociations:_p}=al;function Gp(e,t){t.classHierarchy.push("vtkHardwareSelector"),e.getSourceDataAsync=async(e,t,n,r,o)=>{},e.selectAsync=async(t,n,r,o,a)=>{const i=await e.getSourceDataAsync(t,n,r,o,a);return i?i.generateSelection(n,r,o,a):[]}}const Up={fieldAssociation:_p.FIELD_ASSOCIATION_CELLS,captureZValues:!1};function zp(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Up,n),jt.obj(e,t),jt.setGet(e,t,["fieldAssociation","captureZValues"]),Gp(e,t)}var Wp={newInstance:jt.newInstance(zp,"vtkHardwareSelector"),extend:zp};function Hp(e,t){t.classHierarchy.push("vtkFramebuffer"),e.getBothMode=()=>t.context.FRAMEBUFFER,e.saveCurrentBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.saveCurrentBindings(n),e.saveCurrentBuffers(n)},e.saveCurrentBindings=e=>{if(!t.context)return void et("you must set the OpenGLRenderWindow before calling saveCurrentBindings");const n=t.context;t.previousDrawBinding=n.getParameter(t.context.FRAMEBUFFER_BINDING),t.previousActiveFramebuffer=t._openGLRenderWindow.getActiveFramebuffer()},e.saveCurrentBuffers=e=>{},e.restorePreviousBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.restorePreviousBindings(n),e.restorePreviousBuffers(n)},e.restorePreviousBindings=e=>{if(!t.context)return void et("you must set the OpenGLRenderWindow before calling restorePreviousBindings");const n=t.context;n.bindFramebuffer(n.FRAMEBUFFER,t.previousDrawBinding),t._openGLRenderWindow.setActiveFramebuffer(t.previousActiveFramebuffer)},e.restorePreviousBuffers=e=>{},e.bind=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,r=n;null===r&&(r=t.context.FRAMEBUFFER),t.context.bindFramebuffer(r,t.glFramebuffer);for(let e=0;e{t.context?(t.glFramebuffer=t.context.createFramebuffer(),t.glFramebuffer.width=e,t.glFramebuffer.height=n):et("you must set the OpenGLRenderWindow before calling create")},e.setColorBuffer=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const r=t.context;if(!r)return void et("you must set the OpenGLRenderWindow before calling setColorBuffer");let o=r.COLOR_ATTACHMENT0;if(n>0){if(!t._openGLRenderWindow.getWebgl2())return void et("Using multiple framebuffer attachments requires WebGL 2");o+=n}t.colorBuffers[n]=e,r.framebufferTexture2D(r.FRAMEBUFFER,o,r.TEXTURE_2D,e.getHandle(),0)},e.removeColorBuffer=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;const n=t.context;if(!n)return void et("you must set the OpenGLRenderWindow before calling removeColorBuffer");let r=n.COLOR_ATTACHMENT0;if(e>0){if(!t._openGLRenderWindow.getWebgl2())return void et("Using multiple framebuffer attachments requires WebGL 2");r+=e}n.framebufferTexture2D(n.FRAMEBUFFER,r,n.TEXTURE_2D,null,0),t.colorBuffers=t.colorBuffers.splice(e,1)},e.setDepthBuffer=e=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const n=t.context;n.framebufferTexture2D(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.TEXTURE_2D,e.getHandle(),0)}else et("Attaching depth buffer textures to fbo requires WebGL 2");else et("you must set the OpenGLRenderWindow before calling setDepthBuffer")},e.removeDepthBuffer=()=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const e=t.context;e.framebufferTexture2D(e.FRAMEBUFFER,e.DEPTH_ATTACHMENT,e.TEXTURE_2D,null,0)}else et("Attaching depth buffer textures to framebuffers requires WebGL 2");else et("you must set the OpenGLRenderWindow before calling removeDepthBuffer")},e.getGLFramebuffer=()=>t.glFramebuffer,e.setOpenGLRenderWindow=n=>{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.releaseGraphicsResources=()=>{t.glFramebuffer&&t.context.deleteFramebuffer(t.glFramebuffer)},e.getSize=()=>{const e=[0,0];return null!==t.glFramebuffer&&(e[0]=t.glFramebuffer.width,e[1]=t.glFramebuffer.height),e},e.populateFramebuffer=()=>{if(!t.context)return void et("you must set the OpenGLRenderWindow before calling populateFrameBuffer");e.bind();const n=t.context,r=Fd.newInstance();r.setOpenGLRenderWindow(t._openGLRenderWindow),r.setMinificationFilter(Cd.LINEAR),r.setMagnificationFilter(Cd.LINEAR),r.create2DFromRaw(t.glFramebuffer.width,t.glFramebuffer.height,4,ys.UNSIGNED_CHAR,null),e.setColorBuffer(r),t.depthTexture=n.createRenderbuffer(),n.bindRenderbuffer(n.RENDERBUFFER,t.depthTexture),n.renderbufferStorage(n.RENDERBUFFER,n.DEPTH_COMPONENT16,t.glFramebuffer.width,t.glFramebuffer.height),n.framebufferRenderbuffer(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.RENDERBUFFER,t.depthTexture)},e.getColorTexture=()=>t.colorBuffers[0]}const jp={glFramebuffer:null,colorBuffers:null,depthTexture:null,previousDrawBinding:0,previousReadBinding:0,previousDrawBuffer:0,previousReadBuffer:0,previousActiveFramebuffer:null};function Kp(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,jp,n),yt(e,t),t.colorBuffers&&et("you cannot initialize colorBuffers through the constructor. You should call setColorBuffer() instead."),t.colorBuffers=[],At(e,t,["colorBuffers"]),Hp(e,t)}var $p={newInstance:Et(Kp,"vtkFramebuffer"),extend:Kp};function qp(e,t){t.classHierarchy.push("vtkSelectionNode"),e.getBounds=()=>t.points.getBounds()}const Xp={contentType:-1,fieldType:-1,properties:null,selectionList:[]};function Yp(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Xp,n),jt.obj(e,t),t.properties={},jt.setGet(e,t,["contentType","fieldType","properties","selectionList"]),qp(e,t)}var Zp={newInstance:jt.newInstance(Yp,"vtkSelectionNode"),extend:Yp,SelectionContent:{GLOBALIDS:0,PEDIGREEIDS:1,VALUES:2,INDICES:3,FRUSTUM:4,LOCATIONS:5,THRESHOLDS:6,BLOCKS:7,QUERY:8},SelectionField:{CELL:0,POINT:1,FIELD:2,VERTEX:3,EDGE:4,ROW:5}};const{PassTypes:Qp}=jl,{SelectionContent:Jp,SelectionField:ef}=Zp,{FieldAssociations:tf}=al,{vtkErrorMacro:nf}=jt;function rf(e){return`${e.propID} ${e.compositeID}`}function of(e,t,n,r){return n?n[4*(t*(r[2]-r[0]+1)+e)+3]:0}function af(e,t,n,r){if(!n)return 0;const o=4*(t*(r[2]-r[0]+1)+e),a=n[o],i=n[o+1];return 256*(256*n[o+2]+i)+a}function sf(e,t){let n=t;return n<<=24,n|=e,n}function lf(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]e.area[2]||t[1]e.area[3])return null;const n=[t[0]-e.area[0],t[1]-e.area[1]],o=af(n[0],n[1],e.pixBuffer[Qp.ACTOR_PASS],e.area);if(o<=0||o-1>=e.props.length)return null;const a={valid:!0};a.propID=o-1,a.prop=e.props[a.propID];let i=af(n[0],n[1],e.pixBuffer[Qp.COMPOSITE_INDEX_PASS],e.area);if((i<0||i>16777215)&&(i=0),a.compositeID=i-1,e.captureZValues){const r=4*(n[1]*(e.area[2]-e.area[0]+1)+n[0]);a.zValue=(256*e.zBuffer[r]+e.zBuffer[r+1])/65535,a.displayPosition=t}if(e.pixBuffer[Qp.ID_LOW24]&&0===of(n[0],n[1],e.pixBuffer[Qp.ID_LOW24],e.area))return a;const s=af(n[0],n[1],e.pixBuffer[Qp.ID_LOW24],e.area),l=af(n[0],n[1],e.pixBuffer[Qp.ID_HIGH24],e.area);return a.attributeID=sf(s,l),a}const a=[t[0],t[1]],i=[0,0];let s=lf(e,t,0,r);if(s&&s.valid)return s;for(let t=1;tt?a[1]-t:0;n<=a[1]+t;++n){if(i[1]=n,a[0]>=t&&(i[0]=a[0]-t,s=lf(e,i,0,r),s&&s.valid))return s;if(i[0]=a[0]+t,s=lf(e,i,0,r),s&&s.valid)return s}for(let n=a[0]>=t?a[0]-(t-1):0;n<=a[0]+(t-1);++n){if(i[0]=n,a[1]>=t&&(i[1]=a[1]-t,s=lf(e,i,0,r),s&&s.valid))return s;if(i[1]=a[1]+t,s=lf(e,i,0,r),s&&s.valid)return s}}return r[0]=t[0],r[1]=t[1],null}function cf(e,t,n,r,o){const a=[];let i=0;return t.forEach(((t,s)=>{const l=Zp.newInstance();switch(l.setContentType(Jp.INDICES),e){case tf.FIELD_ASSOCIATION_CELLS:l.setFieldType(ef.CELL);break;case tf.FIELD_ASSOCIATION_POINTS:l.setFieldType(ef.POINT);break;default:nf("Unknown field association")}l.getProperties().propID=t.info.propID,l.getProperties().prop=t.info.prop,l.getProperties().compositeID=t.info.compositeID,l.getProperties().attributeID=t.info.attributeID,l.getProperties().pixelCount=t.pixelCount,n&&(l.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],l.getProperties().worldPosition=o.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,r)),l.setSelectionList(t.attributeIDs),a[i]=l,i++})),a}function uf(e,t,n,r,o){const a=Math.floor(t),i=Math.floor(n),s=Math.floor(r),l=Math.floor(o),c=new Map,u=[0,0];for(let t=i;t<=l;t++)for(let n=a;n<=s;n++){const r=lf(e,[n,t],0,u);if(r&&r.valid){const t=rf(r);if(c.has(t)){const n=c.get(t);n.pixelCount++,e.captureZValues&&r.zValue{t.rawPixBuffer=[],t.pixBuffer=[],t.zBuffer=null},e.beginSelection=()=>{t._openGLRenderer=t._openGLRenderWindow.getViewNodeFor(t._renderer),t.maxAttributeId=0;const n=t._openGLRenderWindow.getSize();if(t.framebuffer){t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers();const e=t.framebuffer.getSize();e[0]!==n[0]||e[1]!==n[1]?(t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer()):t.framebuffer.bind()}else t.framebuffer=$p.newInstance(),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer();if(t._openGLRenderer.clear(),t._openGLRenderer.setSelector(e),t.hitProps={},t.propPixels={},t.props=[],e.releasePixBuffers(),t.fieldAssociation===tf.FIELD_ASSOCIATION_POINTS){const e=t._openGLRenderWindow.getContext(),n=e.isEnabled(e.BLEND);e.disable(e.BLEND),t._openGLRenderWindow.traverseAllPasses(),n&&e.enable(e.BLEND)}},e.endSelection=()=>{t.hitProps={},t._openGLRenderer.setSelector(null),t.framebuffer.restorePreviousBindingsAndBuffers()},e.preCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending=e.isEnabled(e.BLEND),e.disable(e.BLEND)},e.postCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending&&e.enable(e.BLEND)},e.select=()=>{let n=null;return e.captureBuffers()&&(n=e.generateSelection(t.area[0],t.area[1],t.area[2],t.area[3]),e.releasePixBuffers()),n},e.getSourceDataAsync=async(n,r,o,a,i)=>{if(t._renderer=n,void 0===r){const n=t._openGLRenderWindow.getSize();e.setArea(0,0,n[0]-1,n[1]-1)}else e.setArea(r,o,a,i);if(!e.captureBuffers())return!1;const s={area:[...t.area],pixBuffer:[...t.pixBuffer],captureZValues:t.captureZValues,zBuffer:t.zBuffer,props:[...t.props],fieldAssociation:t.fieldAssociation,renderer:n,openGLRenderWindow:t._openGLRenderWindow,generateSelection:function(){for(var e=arguments.length,t=new Array(e),n=0;n{if(!t._renderer||!t._openGLRenderWindow)return nf("Renderer and view must be set before calling Select."),!1;t._openGLRenderer=t._openGLRenderWindow.getViewNodeFor(t._renderer),t._openGLRenderWindow.getRenderable().preRender(),e.invokeEvent({type:"StartEvent"}),t.originalBackground=t._renderer.getBackgroundByReference(),t._renderer.setBackground(0,0,0,0);const n=t._openGLRenderWindow.getRenderPasses();for(e.beginSelection(),t.currentPass=Qp.MIN_KNOWN_PASS;t.currentPass<=Qp.MAX_KNOWN_PASS;t.currentPass++)e.passRequired(t.currentPass)&&(e.preCapturePass(t.currentPass),t.captureZValues&&t.currentPass===Qp.ACTOR_PASS&&"function"==typeof n[0].requestDepth&&"function"==typeof n[0].getFramebuffer?(n[0].requestDepth(),t._openGLRenderWindow.traverseAllPasses()):t._openGLRenderWindow.traverseAllPasses(),e.postCapturePass(t.currentPass),e.savePixelBuffer(t.currentPass),e.processPixelBuffers());return e.endSelection(),t._renderer.setBackground(t.originalBackground),e.invokeEvent({type:"EndEvent"}),!0},e.processPixelBuffers=()=>{t.props.forEach(((n,r)=>{e.isPropHit(r)&&n.processSelectorPixelBuffers(e,t.propPixels[r])}))},e.passRequired=e=>{if(e===Qp.ID_HIGH24){if(t.fieldAssociation===tf.FIELD_ASSOCIATION_POINTS)return t.maximumPointId>16777215;if(t.fieldAssociation===tf.FIELD_ASSOCIATION_CELLS)return t.maximumCellId>16777215}return!0},e.savePixelBuffer=n=>{if(t.pixBuffer[n]=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),!t.rawPixBuffer[n]){const e=(t.area[2]-t.area[0]+1)*(t.area[3]-t.area[1]+1)*4;t.rawPixBuffer[n]=new Uint8Array(e),t.rawPixBuffer[n].set(t.pixBuffer[n])}if(n===Qp.ACTOR_PASS){if(t.captureZValues){const e=t._openGLRenderWindow.getRenderPasses();if("function"==typeof e[0].requestDepth&&"function"==typeof e[0].getFramebuffer){const n=e[0].getFramebuffer();n.saveCurrentBindingsAndBuffers(),n.bind(),t.zBuffer=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),n.restorePreviousBindingsAndBuffers()}}e.buildPropHitList(t.rawPixBuffer[n])}},e.buildPropHitList=e=>{let n=0;for(let r=0;r<=t.area[3]-t.area[1];r++)for(let o=0;o<=t.area[2]-t.area[0];o++){let a=af(o,r,e,t.area);a>0&&(a--,a in t.hitProps||(t.hitProps[a]=!0,t.propPixels[a]=[]),t.propPixels[a].push(4*n)),++n}},e.renderProp=n=>{t.currentPass===Qp.ACTOR_PASS&&(e.setPropColorValueFromInt(t.props.length+1),t.props.push(n))},e.renderCompositeIndex=n=>{t.currentPass===Qp.COMPOSITE_INDEX_PASS&&e.setPropColorValueFromInt(n+1)},e.renderAttributeId=e=>{e<0||(t.maxAttributeId=e>t.maxAttributeId?e:t.maxAttributeId)},e.passTypeToString=e=>jt.enumToString(Qp,e),e.isPropHit=e=>Boolean(t.hitProps[e]),e.setPropColorValueFromInt=e=>{t.propColorValue[0]=e%256/255,t.propColorValue[1]=Math.floor(e/256)%256/255,t.propColorValue[2]=Math.floor(e/65536)%256/255},e.getPixelInformation=(n,r,o)=>{const a=r<0?0:r;if(0===a){if(o[0]=n[0],o[1]=n[1],n[0]t.area[2]||n[1]t.area[3])return null;const e=[n[0]-t.area[0],n[1]-t.area[1]],r=af(e[0],e[1],t.pixBuffer[Qp.ACTOR_PASS],t.area);if(r<=0||r-1>=t.props.length)return null;const a={valid:!0};a.propID=r-1,a.prop=t.props[a.propID];let i=af(e[0],e[1],t.pixBuffer[Qp.COMPOSITE_INDEX_PASS],t.area);if((i<0||i>16777215)&&(i=0),a.compositeID=i-1,t.captureZValues){const r=4*(e[1]*(t.area[2]-t.area[0]+1)+e[0]);a.zValue=(256*t.zBuffer[r]+t.zBuffer[r+1])/65535,a.displayPosition=n}if(t.pixBuffer[Qp.ID_LOW24]&&0===of(e[0],e[1],t.pixBuffer[Qp.ID_LOW24],t.area))return a;const s=af(e[0],e[1],t.pixBuffer[Qp.ID_LOW24],t.area),l=af(e[0],e[1],t.pixBuffer[Qp.ID_HIGH24],t.area);return a.attributeID=sf(s,l),a}const i=[n[0],n[1]],s=[0,0];let l=e.getPixelInformation(n,0,o);if(l&&l.valid)return l;for(let t=1;tt?i[1]-t:0;n<=i[1]+t;++n){if(s[1]=n,i[0]>=t&&(s[0]=i[0]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[0]=i[0]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}for(let n=i[0]>=t?i[0]-(t-1):0;n<=i[0]+(t-1);++n){if(s[0]=n,i[1]>=t&&(s[1]=i[1]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[1]=i[1]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}}return o[0]=n[0],o[1]=n[1],null},e.generateSelection=(n,r,o,a)=>{const i=Math.floor(n),s=Math.floor(r),l=Math.floor(o),c=Math.floor(a),u=new Map,d=[0,0];for(let n=s;n<=c;n++)for(let r=i;r<=l;r++){const o=[r,n],a=e.getPixelInformation(o,0,d);if(a&&a.valid){const e=rf(a);if(u.has(e)){const n=u.get(e);n.pixelCount++,t.captureZValues&&a.zValuet.rawPixBuffer[e],e.getPixelBuffer=e=>t.pixBuffer[e],e.attach=(e,n)=>{t._openGLRenderWindow=e,t._renderer=n};const n=e.setArea;e.setArea=function(){return!!n(...arguments)&&(t.area[0]=Math.floor(t.area[0]),t.area[1]=Math.floor(t.area[1]),t.area[2]=Math.floor(t.area[2]),t.area[3]=Math.floor(t.area[3]),!0)}}const pf={area:void 0,currentPass:-1,propColorValue:null,props:null,maximumPointId:0,maximumCellId:0,idOffset:1};function ff(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,pf,n),Wp.extend(e,t,n),t.propColorValue=[0,0,0],t.props=[],t.area||(t.area=[0,0,0,0]),jt.setGetArray(e,t,["area"],4),jt.setGet(e,t,["_renderer","currentPass","_openGLRenderWindow","maximumPointId","maximumCellId"]),jt.setGetArray(e,t,["propColorValue"],3),jt.moveToProtected(e,t,["renderer","openGLRenderWindow"]),jt.event(e,t,"event"),df(e,t)}var gf={newInstance:jt.newInstance(ff,"vtkOpenGLHardwareSelector"),extend:ff,...jl};const{vtkErrorMacro:mf}=Kt,{Representation:hf}=ds,{ObjectType:vf}=Yu,{PassTypes:yf}=gf,bf={type:"StartEvent"},xf={type:"EndEvent"};function Tf(e,t){t.classHierarchy.push("vtkOpenGLGlyph3DMapper");const n={...e};e.renderPiece=(n,r)=>{if(e.invokeEvent(bf),t.renderable.getStatic()||t.renderable.update(),t.currentInput=t.renderable.getInputData(1),e.invokeEvent(xf),!t.currentInput)return void mf("No input!");if(!t.currentInput.getPoints||!t.currentInput.getPoints().getNumberOfValues())return;const o=t.context;t._openGLRenderWindow.getWebgl2()?(t.hardwareSupport=!0,t.extension=null):t.extension||(t.extension=t.context.getExtension("ANGLE_instanced_arrays"),t.hardwareSupport=!!t.extension);const a=r.getProperty().getBackfaceCulling(),i=r.getProperty().getFrontfaceCulling();a||i?i?(t._openGLRenderWindow.enableCullFace(),o.cullFace(o.FRONT)):(t._openGLRenderWindow.enableCullFace(),o.cullFace(o.BACK)):t._openGLRenderWindow.disableCullFace(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)},e.multiply4x4WithOffset=(e,t,n,r)=>{const o=t[0],a=t[1],i=t[2],s=t[3],l=t[4],c=t[5],u=t[6],d=t[7],p=t[8],f=t[9],g=t[10],m=t[11],h=t[12],v=t[13],y=t[14],b=t[15];let x=n[r],T=n[r+1],C=n[r+2],S=n[r+3];e[0]=x*o+T*l+C*p+S*h,e[1]=x*a+T*c+C*f+S*v,e[2]=x*i+T*u+C*g+S*y,e[3]=x*s+T*d+C*m+S*b,x=n[r+4],T=n[r+5],C=n[r+6],S=n[r+7],e[4]=x*o+T*l+C*p+S*h,e[5]=x*a+T*c+C*f+S*v,e[6]=x*i+T*u+C*g+S*y,e[7]=x*s+T*d+C*m+S*b,x=n[r+8],T=n[r+9],C=n[r+10],S=n[r+11],e[8]=x*o+T*l+C*p+S*h,e[9]=x*a+T*c+C*f+S*v,e[10]=x*i+T*u+C*g+S*y,e[11]=x*s+T*d+C*m+S*b,x=n[r+12],T=n[r+13],C=n[r+14],S=n[r+15],e[12]=x*o+T*l+C*p+S*h,e[13]=x*a+T*c+C*f+S*v,e[14]=x*i+T*u+C*g+S*y,e[15]=x*s+T*d+C*m+S*b},e.replaceShaderNormal=(e,r,o)=>{if(t.hardwareSupport&&t.lastBoundBO.getReferenceByName("lastLightComplexity")>0){let n=e.Vertex;t.lastBoundBO.getCABO().getNormalOffset()&&(n=dd.substitute(n,"//VTK::Normal::Dec",["attribute vec3 normalMC;","attribute mat3 gNormal;","uniform mat3 normalMatrix;","varying vec3 normalVCVSOutput;"]).result,n=dd.substitute(n,"//VTK::Normal::Impl",["normalVCVSOutput = normalMatrix * gNormal * normalMC;"]).result),e.Vertex=n}n.replaceShaderNormal(e,r,o)},e.replaceShaderColor=(e,r,o)=>{if(t.hardwareSupport&&t.renderable.getColorArray()){let n=e.Vertex,r=e.Geometry,o=e.Fragment;const a=t.lastBoundBO.getReferenceByName("lastLightComplexity");let i=["uniform float ambient;","uniform float diffuse;","uniform float specular;","uniform float opacityUniform; // the fragment opacity"];a&&(i=i.concat(["uniform vec3 specularColorUniform;","uniform float specularPowerUniform;"]));let s=["vec3 ambientColor;"," vec3 diffuseColor;"," float opacity;"];a&&(s=s.concat([" vec3 specularColor;"," float specularPower;"])),s=s.concat([" opacity = opacityUniform;"]),a&&(s=s.concat([" specularColor = specularColorUniform;"," specularPower = specularPowerUniform;"])),t.drawingEdges||(i=i.concat(["varying vec4 vertexColorVSOutput;"]),n=dd.substitute(n,"//VTK::Color::Dec",["attribute vec4 gColor;","varying vec4 vertexColorVSOutput;"]).result,n=dd.substitute(n,"//VTK::Color::Impl",["vertexColorVSOutput = gColor;"]).result,r=dd.substitute(r,"//VTK::Color::Dec",["in vec4 vertexColorVSOutput[];","out vec4 vertexColorGSOutput;"]).result,r=dd.substitute(r,"//VTK::Color::Impl",["vertexColorGSOutput = vertexColorVSOutput[i];"]).result,s=s.concat([" diffuseColor = vertexColorVSOutput.rgb;"," ambientColor = vertexColorVSOutput.rgb;"," opacity = opacity*vertexColorVSOutput.a;"])),o=dd.substitute(o,"//VTK::Color::Impl",s).result,o=dd.substitute(o,"//VTK::Color::Dec",i).result,e.Vertex=n,e.Geometry=r,e.Fragment=o}n.replaceShaderColor(e,r,o)},e.replaceShaderPositionVC=(e,r,o)=>{if(t.hardwareSupport){let n=e.Vertex;t.lastBoundBO.getReferenceByName("lastLightComplexity")>0?(n=dd.substitute(n,"//VTK::PositionVC::Impl",["vec4 gVertexMC = gMatrix * vertexMC;","vertexVCVSOutput = MCVCMatrix * gVertexMC;"," gl_Position = MCPCMatrix * gVertexMC;"]).result,n=dd.substitute(n,"//VTK::Camera::Dec",["attribute mat4 gMatrix;","uniform mat4 MCPCMatrix;","uniform mat4 MCVCMatrix;"]).result):(n=dd.substitute(n,"//VTK::Camera::Dec",["attribute mat4 gMatrix;","uniform mat4 MCPCMatrix;"]).result,n=dd.substitute(n,"//VTK::PositionVC::Impl",["vec4 gVertexMC = gMatrix * vertexMC;"," gl_Position = MCPCMatrix * gVertexMC;"]).result),e.Vertex=n}n.replaceShaderPositionVC(e,r,o)},e.replaceShaderPicking=(e,r,o)=>{if(t.hardwareSupport){let t=e.Fragment,n=e.Vertex;n=dd.substitute(n,"//VTK::Picking::Dec",["attribute vec3 mapperIndexVS;","varying vec3 mapperIndexVSOutput;"]).result,n=dd.substitute(n,"//VTK::Picking::Impl"," mapperIndexVSOutput = mapperIndexVS;").result,e.Vertex=n,t=dd.substitute(t,"//VTK::Picking::Dec",["varying vec3 mapperIndexVSOutput;","uniform vec3 mapperIndex;","uniform int picking;"]).result,t=dd.substitute(t,"//VTK::Picking::Impl",[" vec4 pickColor = picking == 2 ? vec4(mapperIndexVSOutput,1.0) : vec4(mapperIndex,1.0);"," gl_FragData[0] = picking != 0 ? pickColor : gl_FragData[0];"]).result,e.Fragment=t}else n.replaceShaderPicking(e,r,o)},e.updateGlyphShaderParameters=(n,r,o,a,i,s,l,c)=>{const u=o.getProgram();if(n){const e=t.normalMatrix,n=s,r=9*l,o=t.tmpMat3,a=e[0],i=e[1],c=e[2],d=e[3],p=e[4],f=e[5],g=e[6],m=e[7],h=e[8],v=n[r],y=n[r+1],b=n[r+2],x=n[r+3],T=n[r+4],C=n[r+5],S=n[r+6],P=n[r+7],A=n[r+8];o[0]=v*a+y*d+b*g,o[1]=v*i+y*p+b*m,o[2]=v*c+y*f+b*h,o[3]=x*a+T*d+C*g,o[4]=x*i+T*p+C*m,o[5]=x*c+T*f+C*h,o[6]=S*a+P*d+A*g,o[7]=S*i+P*p+A*m,o[8]=S*c+P*f+A*h,u.setUniformMatrix3x3("normalMatrix",t.tmpMat3)}if(e.multiply4x4WithOffset(t.tmpMat4,t.mcpcMatrix,i,16*l),u.setUniformMatrix("MCPCMatrix",t.tmpMat4),r&&(e.multiply4x4WithOffset(t.tmpMat4,t.mcvcMatrix,i,16*l),u.setUniformMatrix("MCVCMatrix",t.tmpMat4)),a){const e=a.getData();t.tmpColor[0]=e[4*l]/255,t.tmpColor[1]=e[4*l+1]/255,t.tmpColor[2]=e[4*l+2]/255,u.setUniform3fArray("ambientColorUniform",t.tmpColor),u.setUniform3fArray("diffuseColorUniform",t.tmpColor)}c&&u.setUniform3fArray("mapperIndex",c.getPropColorValue())},e.renderPieceDraw=(n,r)=>{const o=r.getProperty().getRepresentation(),a=t.context,i=r.getProperty().getEdgeVisibility()&&o===hf.SURFACE,s=t.openGLCamera.getKeyMatrices(n),l=t.openGLActor.getKeyMatrices();ve(t.normalMatrix,s.normalMatrix,l.normalMatrix),b(t.mcpcMatrix,s.wcpc,l.mcwc),b(t.mcvcMatrix,s.wcvc,l.mcwc);const c=t.renderable.getMatrixArray(),u=t.renderable.getNormalArray(),d=t.renderable.getColorArray(),p=c.length/16;let f=!1;t._openGLRenderer.getSelector()&&t._openGLRenderer.getSelector().getCurrentPass()===yf.COMPOSITE_INDEX_PASS&&(f=!0);for(let s=t.primTypes.Start;s{if(e.getCABO().getElementCount()&&(t.glyphBOBuildTime.getMTime()>e.getAttributeUpdateTime().getMTime()||e.getShaderSourceTime().getMTime()>e.getAttributeUpdateTime().getMTime()))return e.getProgram().isAttributeUsed("gMatrix")?e.getVAO().addAttributeMatrixWithDivisor(e.getProgram(),t.matrixBuffer,"gMatrix",0,64,t.context.FLOAT,4,!1,1)||mf("Error setting gMatrix in shader VAO."):e.getVAO().removeAttributeArray("gMatrix"),e.getProgram().isAttributeUsed("gNormal")?e.getVAO().addAttributeMatrixWithDivisor(e.getProgram(),t.normalBuffer,"gNormal",0,36,t.context.FLOAT,3,!1,1)||mf("Error setting gNormal in shader VAO."):e.getVAO().removeAttributeArray("gNormal"),e.getProgram().isAttributeUsed("gColor")?e.getVAO().addAttributeArrayWithDivisor(e.getProgram(),t.colorBuffer,"gColor",0,4,t.context.UNSIGNED_BYTE,4,!0,1,!1)||mf("Error setting gColor in shader VAO."):e.getVAO().removeAttributeArray("gColor"),e.getProgram().isAttributeUsed("mapperIndexVS")?e.getVAO().addAttributeArrayWithDivisor(e.getProgram(),t.pickBuffer,"mapperIndexVS",0,4,t.context.UNSIGNED_BYTE,4,!0,1,!1)||mf("Error setting mapperIndexVS in shader VAO."):e.getVAO().removeAttributeArray("mapperIndexVS"),n.setMapperShaderParameters(e,r,o),void e.getAttributeUpdateTime().modified();n.setMapperShaderParameters(e,r,o)},e.getNeedToRebuildBufferObjects=(e,r)=>(t.renderable.buildArrays(),t.VBOBuildTime.getMTime()!!(n.getNeedToRebuildShaders(e,r,o)||e.getShaderSourceTime().getMTime(){if(t.hardwareSupport){const e=t.renderable.getMatrixArray(),n=t.renderable.getNormalArray(),r=t.renderable.getColorArray();if(t.matrixBuffer||(t.matrixBuffer=Yu.newInstance(),t.matrixBuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.normalBuffer=Yu.newInstance(),t.normalBuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorBuffer=Yu.newInstance(),t.colorBuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.pickBuffer=Yu.newInstance(),t.pickBuffer.setOpenGLRenderWindow(t._openGLRenderWindow)),t.renderable.getBuildTime().getMTime()>t.glyphBOBuildTime.getMTime()){t.matrixBuffer.upload(e,vf.ARRAY_BUFFER),t.normalBuffer.upload(n,vf.ARRAY_BUFFER),r?t.colorBuffer.upload(r.getData(),vf.ARRAY_BUFFER):t.colorBuffer.releaseGraphicsResources();const o=e.length/16,a=new Uint8Array(4*o);for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Cf,n),op.extend(e,t,n),t.tmpMat3=pe(new Float64Array(9)),t.normalMatrix=pe(new Float64Array(9)),t.mcpcMatrix=g(new Float64Array(16)),t.mcvcMatrix=g(new Float64Array(16)),t.tmpColor=[],t.glyphBOBuildTime={},yt(t.glyphBOBuildTime,{mtime:0}),Tf(e,t)}),"vtkOpenGLGlyph3DMapper");rn("vtkGlyph3DMapper",Sf);const{vtkErrorMacro:Pf}=jt;class Af{constructor(){this.segmentMapping={},this.segments=[null],this.faces=[]}addSegment(e){const t=e[0],n=e[e.length-1];if(t===n||e.length<2)return;const r=this.segmentMapping[t],o=this.segmentMapping[n];if(void 0!==r&&void 0!==o)if(Math.abs(r)===Math.abs(o)){const a=r0)for(let t=1;t0){const t=this.segments[r];for(let n=1;n0){const n=this.segments[o];for(let t=1;t{const n=e[0];if(!n)return void Pf("Invalid or missing input");const r=hu.newInstance();r.shallowCopy(n);const o=new Af,a=n.getLines().getData();let i=0;for(;i2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,wf,n),jt.obj(e,t),jt.algo(e,t,1,1),If(e,t)}var Mf={newInstance:jt.newInstance(Of,"vtkClosedPolyLineToSurfaceFilter"),extend:Of};const{vtkErrorMacro:Rf}=Kt;function Vf(e,t){t.classHierarchy.push("vtkCutter");const n={...e};e.getMTime=()=>{let e=n.getMTime();return t.cutFunction?(e=Math.max(e,t.cutFunction.getMTime()),e):e},e.requestData=(e,n)=>{const r=e[0];if(!r)return void Rf("Invalid or missing input");if(!t.cutFunction)return void Rf("Missing cut function");const o=hu.newInstance();(function(e,n){const r=e.getPoints(),o=r.getData(),a=r.getNumberOfPoints(),i=[],s=[],l=[];(!t.cutScalars||t.cutScalars.length0;let r=!0;for(let t=1;t0!==e){r=!1;break}if(r)continue;const a=[];for(let e=0;e0;if(g[r]>0===i)continue;let s=e,l=r,c=g[l]-g[s];c<=0&&(s=r,l=e,c*=-1);let u=0;0!==c&&(u=(t.cutValue-g[s])/c);const d=n.cell[s],m=n.cell[l];p[0]=o[3*d],p[1]=o[3*d+1],p[2]=o[3*d+2],f[0]=o[3*m],f[1]=o[3*m+1],f[2]=o[3*m+2];const h=[p[0]+u*(f[0]-p[0]),p[1]+u*(f[1]-p[1]),p[2]+u*(f[2]-p[2])];a.push({pointEdge1:d,pointEdge2:m,intersectedPoint:h,newPointID:-1})}for(let e=0;e2&&(l.push(c),a.forEach((e=>{l.push(e.newPointID)})))}n.getPoints().setData(it(r.getDataType(),i),3),0!==s.length&&n.getLines().setData(Uint16Array.from(s)),0!==l.length&&n.getPolys().setData(Uint16Array.from(l))})(r,o),n[0]=o}}const Ef={cutFunction:null,cutScalars:null,cutValue:0};function Df(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ef,n),yt(e,t),Mt(e,t,1,1),Pt(e,t,["cutFunction","cutValue"]),Vf(e,t)}var Lf={newInstance:Et(Df,"vtkCutter"),extend:Df};const Bf=e=>e,Nf=1e-6;class kf{constructor(){let e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this.matrix=g(new Float64Array(16)),this.tmp=new Float64Array(3),this.angleConv=e?l:Bf}rotateFromDirections(e,t){const n=new Float64Array(3),r=new Float64Array(3),o=new Float64Array(16);An(n,e[0],e[1],e[2]),An(r,t[0],t[1],t[2]),Rn(n,n),Rn(r,r);const a=Vn(n,r);return a>=1||(En(this.tmp,n,r),Sn(this.tmp)1&&void 0!==arguments[1]?arguments[1]:0,n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:-1;if(sa(yo,this.matrix))return this;const r=-1===n?e.length:t+3*n;for(let n=t;n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Wf,n),jt.obj(e,t),jt.setGet(e,t,["xLength","yLength","zLength","generate3DTextureCoordinates","generateFaces","generateLines"]),jt.setGetArray(e,t,["center","rotations"],3),jt.setGetArray(e,t,["matrix"],16),t._polys=dc.newInstance({values:Uint16Array.from(Uf)}),t._lineCells=dc.newInstance({values:Uint16Array.from(Gf)}),jt.moveToProtected(e,t,["polys","lineCells"]),jt.algo(e,t,0,1),zf(e,t)}var jf={newInstance:jt.newInstance(Hf,"vtkCubeSource"),extend:Hf};const{vtkErrorMacro:Kf}=jt;function $f(e,t){t.classHierarchy.push("vtkImageDataOutlineFilter");const n={...e};e.requestData=(e,n)=>{const r=e[0];if(!r||!r.isA("vtkImageData"))return void Kf("Invalid or missing input");const o=r.getSpatialExtent();o?(t._cubeSource.setBounds(o),t._cubeSource.setMatrix(r.getIndexToWorld()),n[0]=t._cubeSource.getOutputData()):Kf("Unable to fetch spatial extents of input image.")},e.getMTime=()=>Math.max(n.getMTime(),t._cubeSource.getMTime()),e.setGenerateFaces=t._cubeSource.setGenerateFaces,e.setGenerateLines=t._cubeSource.setGenerateLines,e.getGenerateFaces=t._cubeSource.getGenerateFaces,e.getGenerateLines=t._cubeSource.getGenerateLines}const qf={};function Xf(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,qf,n),jt.obj(e,t),jt.algo(e,t,1,1),t._cubeSource=jf.newInstance(),jt.moveToProtected(e,t,["cubeSource","tmpOut"]),$f(e,t)}var Yf={newInstance:jt.newInstance(Xf,"vtkImageDataOutlineFilter"),extend:Xf};let Zf;function Qf(e,t){t.classHierarchy.push("vtkAbstractTransform","vtkHomogeneousTransform","vtkTransform"),e.transformPoint=(e,n)=>(Dn(n,e,t.matrix),n),e.transformPoints=(e,n)=>{const r=new Float64Array(3),o=new Float64Array(3);for(let a=0;a{e.setPreMultiplyFlag(!0)},e.postMultiply=()=>{e.setPreMultiplyFlag(!1)},e.transformMatrix=(e,n)=>(t.preMultiplyFlag?b(n,t.matrix,e):b(n,e,t.matrix),n),e.transformMatrices=(e,n)=>{const r=new Float64Array(16),o=new Float64Array(16),a=t.preMultiplyFlag?()=>b(o,t.matrix,r):()=>b(o,r,t.matrix);for(let t=0;tZf({matrix:Ga.invertMatrix(Array.from(t.matrix),[],4),preMultiplyFlag:t.preMultiplyFlag})}const Jf={preMultiplyFlag:!1,matrix:[...yo]};function eg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Jf,n),jt.obj(e,t),jt.setGet(e,t,["preMultiplyFlag"]),jt.setGetArray(e,t,["matrix"],16),Qf(e,t)}Zf=jt.newInstance(eg,"vtkTransform");var tg={newInstance:Zf,extend:eg};const ng={NEAREST:0,LINEAR:1};var rg={InterpolationType:ng};const{vtkErrorMacro:og}=Kt;function ag(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function ig(e,t,n){return t.identity(n),e.reduce(((e,n,r)=>0===r?n?t.copy(e,n):t.identity(e):n?t.multiply(e,e,n):e),n)}function sg(e,t){t.classHierarchy.push("vtkOpenGLImageResliceMapper"),e.buildPass=n=>{if(n){t.currentRenderPass=null,t._openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const n=t._openGLRenderer.getRenderable();t._openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera()),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow)}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t._openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getInputData(),t.currentInput?(e.updateResliceGeometry(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r),e.invokeEvent({type:"EndEvent"})):og("No input!")},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),r.getProperty().getInterpolationType()===ng.NEAREST?(t.openGLTexture.setMinificationFilter(Cd.NEAREST),t.openGLTexture.setMagnificationFilter(Cd.NEAREST),t.colorTexture.setMinificationFilter(Cd.NEAREST),t.colorTexture.setMagnificationFilter(Cd.NEAREST),t.pwfTexture.setMinificationFilter(Cd.NEAREST),t.pwfTexture.setMagnificationFilter(Cd.NEAREST)):(t.openGLTexture.setMinificationFilter(Cd.LINEAR),t.openGLTexture.setMagnificationFilter(Cd.LINEAR),t.colorTexture.setMinificationFilter(Cd.LINEAR),t.colorTexture.setMagnificationFilter(Cd.LINEAR),t.pwfTexture.setMinificationFilter(Cd.LINEAR),t.pwfTexture.setMagnificationFilter(Cd.LINEAR)),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const r=t.currentInput;if(!r)return;const o=r.getPointData()?.getScalars();if(!o)return;t._scalars!==o&&(t._openGLRenderWindow.releaseGraphicsResourcesForObject(t._scalars),t._scalars=o);const a=o.getNumberOfComponents();let i=`${r.getMTime()}A${o.getMTime()}`;const s=t._openGLRenderWindow.getGraphicsResourceForObject(o);if(s?.vtkObj&&s?.hash===i&&t.openGLTextureString===i)t.openGLTexture=s.vtkObj,t.openGLTextureString=s.hash;else{t.openGLTexture||(t.openGLTexture=Fd.newInstance(),t.openGLTexture.setOpenGLRenderWindow(t._openGLRenderWindow));const e=r.getDimensions();t.openGLTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.openGLTexture.releaseGraphicsResources(t._openGLRenderWindow),t.openGLTexture.resetFormatAndType(),t.openGLTexture.create3DFilterableFromDataArray(e[0],e[1],e[2],o),t.openGLTextureString=i,o&&t._openGLRenderWindow.setGraphicsResourceForObject(o,t.openGLTexture,t.openGLTextureString)}const l=n.getProperty(),c=l.getIndependentComponents(),u=c?a:1,d=c?2*u:1,p=l.getRGBTransferFunction();i=ag(l,p,u);const f=t._openGLRenderWindow.getGraphicsResourceForObject(p);if(f?.vtkObj&&f?.hash===i&&t.colorTextureString===i)t.colorTexture=f.vtkObj,t.colorTextureString=f.hash;else{const e=1024,n=new Uint8Array(e*d*3);if(t.colorTexture||(t.colorTexture=Fd.newInstance(),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow)),p){const r=new Float32Array(3*e);for(let t=0;t0){const e=t.resliceGeom.getPointData().getNormals();e?r.normals=e:og("Slab mode requested without normals")}t.tris.getCABO().createVBO(n,"polys",rs.SURFACE,r)}t.VBOBuildString=h,t.VBOBuildTime.modified()},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(a,r,o);const i=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==n.getProgram()&&(n.setProgram(i),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const a=n.getProgram();if(n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())){a.isUniformUsed("texture1")&&a.setUniformi("texture1",t.openGLTexture.getTextureUnit()),a.isAttributeUsed("vertexWC")&&(n.getVAO().addAttributeArray(a,n.getCABO(),"vertexWC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||og("Error setting vertexWC in shader VAO.")),a.isAttributeUsed("normalWC")&&(n.getVAO().addAttributeArray(a,n.getCABO(),"normalWC",n.getCABO().getNormalOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||og("Error setting normalWC in shader VAO.")),a.isUniformUsed("slabThickness")&&a.setUniformf("slabThickness",t.renderable.getSlabThickness()),a.isUniformUsed("spacing")&&a.setUniform3fv("spacing",t.currentInput.getSpacing()),a.isUniformUsed("slabType")&&a.setUniformi("slabType",t.renderable.getSlabType()),a.isUniformUsed("slabType")&&a.setUniformi("slabType",t.renderable.getSlabType()),a.isUniformUsed("slabTrapezoid")&&a.setUniformi("slabTrapezoid",t.renderable.getSlabTrapezoidIntegration());const e=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null;if(a.isUniformUsed("WCTCMatrix")){const n=t.currentInput,r=n.getDimensions();d(t.tmpMat4,n.getIndexToWorld()),T(t.tmpMat4,t.tmpMat4,r),h(t.tmpMat4,t.tmpMat4),e&&b(t.tmpMat4,t.tmpMat4,e),a.setUniformMatrix("WCTCMatrix",t.tmpMat4)}a.isUniformUsed("vboScaling")&&a.setUniform3fv("vboScaling",n.getCABO().getCoordScale()),n.getAttributeUpdateTime().modified()}if(t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),n.getProgram().isUniformUsed("coffset")){const t=e.getCoincidentParameters(r,o);n.getProgram().setUniformf("coffset",t.offset),n.getProgram().isUniformUsed("cfactor")&&n.getProgram().setUniformf("cfactor",t.factor)}},e.setCameraShaderParameters=(e,n,o)=>{const a=t._openGLCamera.getKeyMatrices(n),i=t._openGLImageSlice.getKeyMatrices(),s=e.getCABO().getCoordShiftAndScaleEnabled()?e.getCABO().getInverseShiftAndScaleMatrix():null,l=e.getProgram();l.isUniformUsed("MCPCMatrix")&&(g(t.tmpMat4),l.setUniformMatrix("MCPCMatrix",ig([a.wcpc,i.mcwc,s],r,t.tmpMat4))),l.isUniformUsed("MCVCMatrix")&&(g(t.tmpMat4),l.setUniformMatrix("MCVCMatrix",ig([a.wcvc,i.mcwc,s],r,t.tmpMat4)))},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),a=r.getProperty(),i=a.getOpacity();o.setUniformf("opacity",i);const s=t.openGLTexture.getComponents(),l=a.getIndependentComponents();if(l)for(let e=0;e{const o=t.openGLTexture.getComponents(),a=r.getProperty().getIndependentComponents(),i=t.renderable.getSlabThickness(),s=t.renderable.getSlabType(),l=t.renderable.getSlabTrapezoidIntegration();let c=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(c=!0),!(!c&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&0!==e.getProgram()?.getHandle()&&t.lastTextureComponents===o&&t.lastIndependentComponents===a&&t.lastSlabThickness===i&&t.lastSlabType===s&&t.lastSlabTrapezoidIntegration===l||(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=a,t.lastSlabThickness=i,t.lastSlabType=s,t.lastSlabTrapezoidIntegration=l,0))},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkImageResliceMapperVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\n// all variables that represent positions or directions have a suffix\n// indicating the coordinate system they are in. The possible values are\n// MC - Model coordinates\n// WC - World coordinates\n// VC - View coordinates\n// DC - Display coordinates\n// TC - Texture coordinates\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\nvoid main()\n{\n //VTK::PositionVC::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Picking::Impl\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkImageResliceMapperFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the gpu image mapper fragment shader\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n // VC position of this fragment. This should not branch/return/discard.\n //VTK::PositionVC::Impl\n\n // Place any calls that require uniform flow (e.g. dFdx) here.\n //VTK::UniformFlow::Impl\n\n // Set gl_FragDepth here (gl_FragCoord.z by default)\n //VTK::Depth::Impl\n\n // Early depth peeling abort:\n //VTK::DepthPeeling::PreColor\n\n //VTK::TCoord::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n\n //VTK::DepthPeeling::Impl\n\n //VTK::Picking::Impl\n\n // handle coincident offsets\n //VTK::Coincident::Impl\n\n //VTK::ZBuffer::Impl\n\n //VTK::RenderPassFragmentShader::Impl\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{if(e.replaceShaderTCoord(n,r,o),e.replaceShaderPositionVC(n,r,o),t.haveSeenDepthRequest){let e=n.Fragment;e=dd.substitute(e,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,e=dd.substitute(e,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result,n.Fragment=e}e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderTCoord=(e,n,r)=>{let o=e.Vertex;const a=e.Geometry;let i=e.Fragment;const s=t.renderable.getSlabThickness();o=dd.substitute(o,"//VTK::TCoord::Dec",["uniform mat4 WCTCMatrix;","out vec3 fragTexCoord;"]).result,o=dd.substitute(o,"//VTK::TCoord::Impl",["fragTexCoord = (WCTCMatrix * vertexWC).xyz;"]).result;const l=t.openGLTexture.getComponents(),c=r.getProperty().getIndependentComponents();let u=["in vec3 fragTexCoord;","uniform highp sampler3D texture1;","uniform mat4 WCTCMatrix;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;"];if(c){for(let e=1;e0&&(u=u.concat(["uniform vec3 spacing;","uniform float slabThickness;","uniform int slabType;","uniform int slabTrapezoid;","uniform vec3 vboScaling;"]),u=u.concat(["vec4 compositeValue(vec4 currVal, vec4 valToComp, int trapezoid)","{"," vec4 retVal = vec4(1.0);"," if (slabType == 0) // min"," {"," retVal = min(currVal, valToComp);"," }"," else if (slabType == 1) // max"," {"," retVal = max(currVal, valToComp);"," }"," else if (slabType == 3) // sum"," {"," retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); "," }"," else // mean"," {"," retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); "," }"," return retVal;","}"])),i=dd.substitute(i,"//VTK::TCoord::Dec",u).result;let d=["if (any(greaterThan(fragTexCoord, vec3(1.0))) || any(lessThan(fragTexCoord, vec3(0.0))))","{"," // set the background color and exit"," gl_FragData[0] = backgroundColor;"," return;","}","vec4 tvalue = texture(texture1, fragTexCoord);"];if(s>0&&(d=d.concat(["// Get the first and last samples","int numSlices = 1;","float scaling = min(min(spacing.x, spacing.y), spacing.z) * 0.5;","vec3 normalxspacing = scaling * normalWCVSOutput;","float distTraveled = length(normalxspacing);","int trapezoid = 0;","while (distTraveled < slabThickness * 0.5)","{"," distTraveled += length(normalxspacing);"," float fnumSlices = float(numSlices);"," if (distTraveled > slabThickness * 0.5)"," {"," // Before stepping outside the slab, sample at the boundaries"," normalxspacing = normalWCVSOutput * slabThickness * 0.5 / fnumSlices;"," trapezoid = slabTrapezoid;"," }"," vec3 fragTCoordNeg = (WCTCMatrix * vec4(vertexWCVSOutput.xyz - fnumSlices * normalxspacing * vboScaling, 1.0)).xyz;"," if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))"," {"," vec4 newVal = texture(texture1, fragTCoordNeg);"," tvalue = compositeValue(tvalue, newVal, trapezoid);"," numSlices += 1;"," }"," vec3 fragTCoordPos = (WCTCMatrix * vec4(vertexWCVSOutput.xyz + fnumSlices * normalxspacing * vboScaling, 1.0)).xyz;"," if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))"," {"," vec4 newVal = texture(texture1, fragTCoordPos);"," tvalue = compositeValue(tvalue, newVal, trapezoid);"," numSlices += 1;"," }","}","// Finally, if slab type is *mean*, divide the sum by the numSlices","if (slabType == 2)","{"," tvalue = tvalue / float(numSlices);","}"])),c){const e=["r","g","b","a"];for(let t=0;t{let a=n.Vertex;const i=n.Geometry;let s=n.Fragment;const l=t.renderable.getSlabThickness();let c=["attribute vec4 vertexWC;"];c=c.concat([`//${e.getMTime()}${t.resliceGeomUpdateString}`]),l>0&&(c=c.concat(["attribute vec3 normalWC;","varying vec3 normalWCVSOutput;","varying vec4 vertexWCVSOutput;"])),a=dd.substitute(a,"//VTK::PositionVC::Dec",c).result;let u=["gl_Position = MCPCMatrix * vertexWC;"];l>0&&(u=u.concat(["normalWCVSOutput = normalWC;","vertexWCVSOutput = vertexWC;"])),a=dd.substitute(a,"//VTK::PositionVC::Impl",u).result,a=dd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;","uniform mat4 MCVCMatrix;"]).result;let d=[];l>0&&(d=d.concat(["varying vec3 normalWCVSOutput;","varying vec4 vertexWCVSOutput;"])),s=dd.substitute(s,"//VTK::PositionVC::Dec",d).result,n.Vertex=a,n.Geometry=i,n.Fragment=s},e.updateResliceGeometry=()=>{let e="";const n=t.currentInput,r=n?.getBounds();let o=!0,a=2;const i=t.renderable.getSlicePolyData(),s=t.renderable.getSlicePlane();if(i)e=e.concat(`PolyData${i.getMTime()}`);else if(s){e=e.concat(`Plane${s.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`));const t=ue(n?.getDirection());ge(t,t);const r=[...s.getNormal()];Ln(r,r,t),[o,a]=function(e){Ga.normalize(e);const t=[0,0,0];for(let r=0;r<3;++r){(n=t)[0]=0,n[1]=0,n[2]=0,t[r]=1;const o=Ga.dot(e,t);if(o<-.999||o>.999)return[!0,r]}var n;return[!1,2]}(r)}else{const o=ei.newInstance();o.setNormal(0,0,1);let a=[0,1,0,1,0,1];n&&(a=r),o.setOrigin(a[0],a[2],.5*(a[5]+a[4])),t.renderable.setSlicePlane(o),e=e.concat(`Plane${s?.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`))}if(!t.resliceGeom||t.resliceGeomUpdateString!==e){if(i)t.resliceGeom||(t.resliceGeom=hu.newInstance()),t.resliceGeom.getPoints().setData(i.getPoints().getData(),3),t.resliceGeom.getPolys().setData(i.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(i.getPointData().getNormals());else if(s)if(o){const e=new Float32Array(12),r=n.worldToIndex(s.getOrigin(),[0,0,0]),o=[(a+1)%3,(a+2)%3].sort(),i=n.getDimensions(),l=[0,i[0]-1,0,i[1]-1,0,i[2]-1];let c=0;for(let t=0;t<2;++t)for(let n=0;n<2;++n)e[c+a]=r[a],e[c+o[0]]=l[2*o[0]+n],e[c+o[1]]=l[2*o[1]+t],c+=3;t.transform.setMatrix(n.getIndexToWorld()),t.transform.transformPoints(e,e);const u=new Uint16Array(8);u[0]=3,u[1]=0,u[2]=1,u[3]=3,u[4]=3,u[5]=0,u[6]=3,u[7]=2;const d=s.getNormal();Ga.normalize(d);const p=new Float32Array(12);for(let e=0;e<4;++e)p[3*e]=d[0],p[3*e+1]=d[1],p[3*e+2]=d[2];t.resliceGeom||(t.resliceGeom=hu.newInstance()),t.resliceGeom.getPoints().setData(e,3),t.resliceGeom.getPolys().setData(u,1);const f=Es.newInstance({numberOfComponents:3,values:p,name:"Normals"});t.resliceGeom.getPointData().setNormals(f)}else{t.outlineFilter.setInputData(n),t.cutter.setInputConnection(t.outlineFilter.getOutputPort()),t.cutter.setCutFunction(s),t.lineToSurfaceFilter.setInputConnection(t.cutter.getOutputPort()),t.lineToSurfaceFilter.update(),t.resliceGeom||(t.resliceGeom=hu.newInstance());const e=t.lineToSurfaceFilter.getOutputData();t.resliceGeom.getPoints().setData(e.getPoints().getData(),3),t.resliceGeom.getPolys().setData(e.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(e.getPointData().getNormals());const r=s.getNormal(),o=t.resliceGeom.getNumberOfPoints();Ga.normalize(r);const a=new Float32Array(3*o);for(let e=0;e{e&&(t.openGLTexture=e,t._externalOpenGLTexture=!0)}}const lg={VBOBuildTime:{},VBOBuildString:null,haveSeenDepthRequest:!1,lastHaveSeenDepthRequest:!1,lastIndependentComponents:!1,lastTextureComponents:0,lastSlabThickness:0,lastSlabTrapezoidIntegration:0,lastSlabType:-1,openGLTexture:null,openGLTextureString:null,colorTextureString:null,pwfTextureString:null,resliceGeom:null,resliceGeomUpdateString:null,tris:null,colorTexture:null,pwfTexture:null,_externalOpenGLTexture:!1,_scalars:null};const cg=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,lg,n),Zt.extend(e,t,n),Ud(e,t,n),zd(e,t,n),t.tris=xd.newInstance(),t.openGLTexture=null,t.colorTexture=null,t.pwfTexture=null,t.VBOBuildTime={},yt(t.VBOBuildTime),t.tmpMat4=g(new Float64Array(16)),t.outlineFilter=Yf.newInstance(),t.outlineFilter.setGenerateFaces(!0),t.outlineFilter.setGenerateLines(!1),t.cubePolyData=hu.newInstance(),t.cutter=Lf.newInstance(),t.lineToSurfaceFilter=Mf.newInstance(),t.transform=tg.newInstance(),xt(e,t,["openGLTexture"]),sg(e,t)}),"vtkOpenGLImageResliceMapper");rn("vtkImageResliceMapper",cg);var ug={SlicingMode:{NONE:-1,I:0,J:1,K:2,X:3,Y:4,Z:5}};const{vtkErrorMacro:dg}=Kt,{SlicingMode:pg}=ug;function fg(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function gg(e){const t=e.split("\n"),n=[];for(let e=0;e0&&n.push(r)}return n}function mg(e,t){t.classHierarchy.push("vtkOpenGLImageMapper"),e.buildPass=n=>{if(n){t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow);const n=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera()),t.renderable.isA("vtkImageMapper")&&t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(n.getActiveCamera())}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.getShaderTemplate=(e,t,n)=>{e.Vertex=_d,e.Fragment=Gd,e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let a=n.Vertex,i=n.Fragment;a=dd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,a=dd.substitute(a,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result,a=dd.substitute(a,"//VTK::TCoord::Impl","tcoordVCVSOutput = tcoordMC;").result,a=dd.substitute(a,"//VTK::TCoord::Dec","attribute vec2 tcoordMC; varying vec2 tcoordVCVSOutput;").result;const s=t.openGLTexture.getComponents(),l=o.getProperty().getIndependentComponents();let c=["varying vec2 tcoordVCVSOutput;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D texture1;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform sampler2D labelOutlineTexture1;","uniform float opacity;","uniform float outlineOpacity;"];if(l){for(let e=1;e 0.01) {\n for (int i = -actualThickness; i <= actualThickness; i++) {\n for (int j = -actualThickness; j <= actualThickness; j++) {\n if (i == 0 || j == 0) {\n continue;\n }\n vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n gl_FragCoord.y + float(j),\n gl_FragCoord.z, gl_FragCoord.w);\n vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n float value = texture2D(texture1, neighborPosIS.xy).r;\n if (value != centerValue) {\n pixelOnBorder = true;\n break;\n }\n }\n if (pixelOnBorder == true) {\n break;\n }\n }\n if (pixelOnBorder == true) {\n gl_FragData[0] = vec4(tColor, outlineOpacity);\n }\n else {\n gl_FragData[0] = vec4(tColor, opacityToUse);\n }\n }\n #else\n float intensity = texture2D(texture1, tcoordVCVSOutput).r;\n vec3 tcolor = texture2D(colorTexture1, vec2(intensity * cscale0 + cshift0, 0.5)).rgb;\n float scalarOpacity = texture2D(pwfTexture1, vec2(intensity * pwfscale0 + pwfshift0, 0.5)).r;\n gl_FragData[0] = vec4(tcolor, scalarOpacity * opacity);\n #endif\n ")]).result;break;case 2:i=dd.substitute(i,"//VTK::TCoord::Impl",["vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);","float intensity = tcolor.r*cscale0 + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(intensity, 0.5)).rgb, pwfscale0*tcolor.g + pwfshift0);"]).result;break;case 3:i=dd.substitute(i,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, opacity);"]).result;break;default:i=dd.substitute(i,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, tcolor.a);"]).result}t.haveSeenDepthRequest&&(i=dd.substitute(i,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,i=dd.substitute(i,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),n.Vertex=a,n.Fragment=i,e.replaceShaderClip(n,r,o),e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderClip=(e,n,r)=>{let o=e.Vertex,a=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(et("OpenGL has a limit of 6 clipping planes"),e=6),o=dd.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=dd.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,a=dd.substitute(a,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,a=dd.substitute(a,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=a},e.getNeedToRebuildShaders=(e,n,r)=>{const o=t.openGLTexture.getComponents(),a=r.getProperty().getIndependentComponents();let i=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(i=!0),!(!i&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&0!==e.getProgram()?.getHandle()&&t.lastTextureComponents===o&&t.lastIndependentComponents===a||(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=a,0))},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(a,r,o);const i=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==n.getProgram()&&(n.setProgram(i),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||dg("Error setting vertexMC in shader VAO.")),n.getProgram().isAttributeUsed("tcoordMC")&&n.getCABO().getTCoordOffset()&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"tcoordMC",n.getCABO().getTCoordOffset(),n.getCABO().getStride(),t.context.FLOAT,n.getCABO().getTCoordComponents(),t.context.FALSE)||dg("Error setting tcoordMC in shader VAO.")),n.getAttributeUpdateTime().modified());const a=t.openGLTexture.getTextureUnit();n.getProgram().setUniformi("texture1",a);const i=t.openGLTexture.getComponents(),s=o.getProperty().getIndependentComponents();if(s)for(let e=0;e6&&(et("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,a=r?d(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(m(a,a),b(a,a,r),m(a,a)),m(t.imagemat,t.currentInput.getIndexToWorld()),b(t.imagematinv,a,t.imagemat);const i=[];for(let n=0;n{const a=n.getProgram(),i=t.openGLImageSlice.getKeyMatrices(),s=t.currentInput,l=s.getIndexToWorld();b(t.imagemat,i.mcwc,l);const c=t.openGLCamera.getKeyMatrices(r);if(b(t.imagemat,c.wcpc,t.imagemat),n.getCABO().getCoordShiftAndScaleEnabled()){const e=n.getCABO().getInverseShiftAndScaleMatrix();b(t.imagemat,t.imagemat,e)}if(a.setUniformMatrix("MCPCMatrix",t.imagemat),!0===o.getProperty().getUseLabelOutline()){const n=s.getWorldToIndex(),o=s.getDimensions();a.setUniform3i("imageDimensions",o[0],o[1],1),a.setUniformMatrix("vWCtoIDX",n);const i=t.openGLCamera.getKeyMatrices(r);h(t.projectionToWorld,i.wcpc),t.openGLCamera.getKeyMatrices(r),a.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const l=e.getRenderTargetSize();a.setUniformf("vpWidth",l[0]),a.setUniformf("vpHeight",l[1]);const c=e.getRenderTargetOffset();a.setUniformf("vpOffsetX",c[0]/l[0]),a.setUniformf("vpOffsetY",c[1]/l[1])}},e.setPropertyShaderParameters=(e,t,n)=>{const r=e.getProgram(),o=n.getProperty().getOpacity();r.setUniformf("opacity",o)},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),t.labelOutlineThicknessTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),t.labelOutlineThicknessTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getCurrentImage(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):dg("No input!")},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():wa(t.bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const o=t.currentInput;if(!o)return;const a=o.getPointData()&&o.getPointData().getScalars();if(!a)return;const i=a.getDataType(),s=a.getNumberOfComponents(),l=r.getProperty(),c=l.getInterpolationType(),u=l.getIndependentComponents(),d=u?s:1,p=u?2*d:1,f=l.getRGBTransferFunction(),g=fg(l,f,d),m=t._openGLRenderWindow.getGraphicsResourceForObject(f);if(m?.vtkObj&&m?.hash===g&&t.colorTextureString===g)t.colorTexture=m.vtkObj,t.colorTextureString=m.hash;else{const e=1024,n=new Uint8Array(e*p*3);if(t.colorTexture||(t.colorTexture=Fd.newInstance({resizable:!0}),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow)),c===ng.NEAREST?(t.colorTexture.setMinificationFilter(Cd.NEAREST),t.colorTexture.setMagnificationFilter(Cd.NEAREST)):(t.colorTexture.setMinificationFilter(Cd.LINEAR),t.colorTexture.setMagnificationFilter(Cd.LINEAR)),f){const r=new Float32Array(3*e);for(let t=0;t1?1:0;const d=[pg.X,pg.Y,pg.Z].includes(t.renderable.getSlicingMode())?x:T,p=o.getSpatialExtent(),f=a.getData();let g=null;if(b===pg.I){g=new f.constructor(e[2]*e[1]*s);let t=0;for(let n=0;n{t.labelOutlineThicknessTexture||(t.labelOutlineThicknessTexture=Fd.newInstance({resizable:!1}),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow));const n=e.getProperty().getLabelOutlineThickness(),r=t._openGLRenderWindow.getGraphicsResourceForObject(n),o=`${n.join("-")}`;if(r?.vtkObj&&r?.hash===o&&t.labelOutlineThicknessTextureString===o)t.labelOutlineThicknessTexture=r.vtkObj,t.labelOutlineThicknessTextureString=r.hash;else{const e=1024,r=1,a=new Uint8Array(e*r);for(let t=0;t{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]}}const hg={VBOBuildTime:0,VBOBuildString:null,openGLTexture:null,tris:null,imagemat:null,imagematinv:null,colorTexture:null,pwfTexture:null,labelOutlineThicknessTexture:null,labelOutlineThicknessTextureString:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,_scalars:null};const vg=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,hg,n),Zt.extend(e,t,n),Ud(e,t,n),zd(e,t,n),t.tris=xd.newInstance(),t.imagemat=g(new Float64Array(16)),t.imagematinv=g(new Float64Array(16)),t.projectionToWorld=g(new Float64Array(16)),t.idxToView=g(new Float64Array(16)),t.idxNormalMatrix=pe(new Float64Array(9)),t.modelToView=g(new Float64Array(16)),t.projectionToView=g(new Float64Array(16)),Pt(e,t,[]),t.VBOBuildTime={},yt(t.VBOBuildTime),mg(e,t)}),"vtkOpenGLImageMapper");rn("vtkAbstractImageMapper",vg);const{vtkErrorMacro:yg}=jt;function bg(e,t,n){if(t.apply(e)){const t=e.getIndependentComponents();return`${e.getMTime()}-${t}-${n}`}return"0"}function xg(e,t){t.classHierarchy.push("vtkOpenGLImageCPRMapper"),e.buildPass=n=>{n&&(t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.openGLCamera=t._openGLRenderer.getViewNodeFor(t._openGLRenderer.getRenderable().getActiveCamera()),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.volumeTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.pwfTexture.setOpenGLRenderWindow(t._openGLRenderWindow))},e.opaquePass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.opaqueZBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),e.invokeEvent({type:"EndEvent"}),t.renderable.preRenderCheck()&&(t.currentImageDataInput=t.renderable.getInputData(0),t.currentCenterlineInput=t.renderable.getOrientedCenterline(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r))},e.renderPieceStart=(t,n)=>{e.updateBufferObjects(t,n)},e.renderPieceDraw=(n,r)=>{const o=t.context;t.volumeTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.volumeTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>{const o=t.VBOBuildTime.getMTime();return o{const r=t.currentImageDataInput,o=t.currentCenterlineInput;n.getProperty().getInterpolationType()===ng.NEAREST?(t.volumeTexture.setMinificationFilter(Cd.NEAREST),t.volumeTexture.setMagnificationFilter(Cd.NEAREST),t.colorTexture.setMinificationFilter(Cd.NEAREST),t.colorTexture.setMagnificationFilter(Cd.NEAREST),t.pwfTexture.setMinificationFilter(Cd.NEAREST),t.pwfTexture.setMagnificationFilter(Cd.NEAREST)):(t.volumeTexture.setMinificationFilter(Cd.LINEAR),t.volumeTexture.setMagnificationFilter(Cd.LINEAR),t.colorTexture.setMinificationFilter(Cd.LINEAR),t.colorTexture.setMagnificationFilter(Cd.LINEAR),t.pwfTexture.setMinificationFilter(Cd.LINEAR),t.pwfTexture.setMagnificationFilter(Cd.LINEAR));const a=r.getMTime();if(t.volumeTextureTime!==a){const e=r.getDimensions(),n=r.getPointData().getScalars();if(!n)return;t.volumeTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.volumeTexture.releaseGraphicsResources(t._openGLRenderWindow),t.volumeTexture.resetFormatAndType(),t.volumeTexture.create3DFilterableFromRaw(e[0],e[1],e[2],n.getNumberOfComponents(),n.getDataType(),n.getData(),t.renderable.getPreferSizeOverAccuracy()),t.volumeTextureTime=a}const i=r.getPointData()&&r.getPointData().getScalars();if(!i)return;const s=i.getNumberOfComponents(),l=n.getProperty(),c=l.getIndependentComponents(),u=c?s:1,d=c?2*u:1,p=bg(l,l.getRGBTransferFunction,u);if(t.colorTextureString!==p){const e=1024,n=new Uint8Array(e*d*3);let r=l.getRGBTransferFunction();if(r){const o=new Float32Array(3*e);for(let t=0;t{const o=t.volumeTexture.getComponents(),a=r.getProperty().getIndependentComponents(),i=!!t.renderable.getCenterPoint(),s=t.renderable.getUseUniformOrientation();return(0===e.getProgram()||t.lastUseCenterPoint!==i||t.lastUseUniformOrientation!==s||t.lastHaveSeenDepthRequest!==t.haveSeenDepthRequest||t.lastTextureComponents!==o||t.lastIndependentComponents!==a)&&(t.lastUseCenterPoint=i,t.lastUseUniformOrientation=s,t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=a,!0)},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.replaceShaderValues=(n,r,o)=>{let a=n.Vertex,i=n.Fragment;a=dd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,a=dd.substitute(a,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result;const s=["attribute vec3 centerlinePosition;","attribute float quadIndex;","uniform float width;","out vec2 quadOffsetVSOutput;","out vec3 centerlinePosVSOutput;"],l=t.renderable.getUseUniformOrientation();l?s.push("out vec3 centerlineDirVSOutput;","uniform vec3 centerlineDirection;"):s.push("out vec3 centerlineTopDirVSOutput;","out vec3 centerlineBotDirVSOutput;","out float centerlineAngleVSOutput;","attribute vec3 centerlineTopDirection;","attribute vec3 centerlineBotDirection;"),a=dd.substitute(a,"//VTK::Color::Dec",s).result;const c=["quadOffsetVSOutput = vec2(width * (mod(quadIndex, 2.0) == 0.0 ? -0.5 : 0.5), quadIndex > 1.0 ? 0.0 : 1.0);","centerlinePosVSOutput = centerlinePosition;"];l?c.push("centerlineDirVSOutput = centerlineDirection;"):c.push("vec3 sumVec = centerlineTopDirection + centerlineBotDirection;","float sumLen2 = dot(sumVec, sumVec);","float diffLen2 = 4.0 - sumLen2;","if (diffLen2 < 0.001) {"," // vectors are too close to each other, use lerp"," centerlineAngleVSOutput = -1.0; // use negative angle as a flag for lerp"," centerlineTopDirVSOutput = centerlineTopDirection;"," centerlineBotDirVSOutput = centerlineBotDirection;","} else if (sumLen2 == 0.0) {"," // vector are opposite to each other, don't make a choice for the user"," // use slerp without direction, it will display the centerline color on each row of pixel"," centerlineAngleVSOutput = 0.0;"," centerlineTopDirVSOutput = vec3(0.0);"," centerlineBotDirVSOutput = vec3(0.0);","} else {"," // use slerp"," centerlineAngleVSOutput = 2.0 * atan(sqrt(diffLen2/sumLen2));"," float sinAngle = sin(centerlineAngleVSOutput);"," centerlineTopDirVSOutput = centerlineTopDirection / sinAngle;"," centerlineBotDirVSOutput = centerlineBotDirection / sinAngle;","}"),a=dd.substitute(a,"//VTK::Color::Impl",c).result;const u=t.volumeTexture.getComponents(),d=o.getProperty().getIndependentComponents();let p=["uniform mat4 MCTCMatrix; // Model coordinates to texture coordinates","in vec2 quadOffsetVSOutput;","in vec3 centerlinePosVSOutput;","uniform highp sampler3D volumeTexture;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;"];l?p.push("in vec3 centerlineDirVSOutput;"):p.push("in vec3 centerlineTopDirVSOutput;","in vec3 centerlineBotDirVSOutput;","in float centerlineAngleVSOutput;");const f=t.renderable.getCenterPoint();if(f&&p.push("uniform vec3 globalCenterPoint;"),d){for(let e=1;e{let o=e.Vertex,a=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(jt.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6),o=dd.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=dd.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,a=dd.substitute(a,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,a=dd.substitute(a,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=a},e.getShaderTemplate=(e,t,n)=>{e.Vertex=_d,e.Fragment=Gd,e.Geometry=""},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||yg("Error setting vertexMC in shader VAO.")),n.getCABO().getCustomData().forEach((e=>{e&&n.getProgram().isAttributeUsed(e.name)&&!n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),e.name,e.offset,n.getCABO().getStride(),t.context.FLOAT,e.components,t.context.FALSE)&&yg(`Error setting ${e.name} in shader VAO.`)})),n.getAttributeUpdateTime().modified());const a=t.volumeTexture.getTextureUnit();if(n.getProgram().setUniformi("volumeTexture",a),n.getProgram().setUniformf("width",t.renderable.getWidth()),n.getProgram().setUniform4f("backgroundColor",...t.renderable.getBackgroundColor()),n.getProgram().isUniformUsed("centerlineDirection")){const e=t.renderable.getUniformDirection();n.getProgram().setUniform3fArray("centerlineDirection",e)}if(n.getProgram().isUniformUsed("globalCenterPoint")){const e=t.renderable.getCenterPoint();n.getProgram().setUniform3fArray("globalCenterPoint",e)}const i=t.currentImageDataInput,s=i.getWorldToIndex(),l=w(new Float32Array(16),Mn([],i.getDimensions())),c=oe(l,l,s);if(n.getProgram().setUniformMatrix("MCTCMatrix",c),t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(jt.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,a=r?d(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(m(a,a),b(a,a,r),m(a,a)),m(t.imagemat,t.currentImageDataInput.getIndexToWorld()),b(t.imagematinv,a,t.imagemat);const i=[];for(let n=0;n{const o=t.openGLImageSlice.getKeyMatrices().mcwc,a=t.openGLCamera.getKeyMatrices(n).wcpc;if(b(t.imagemat,a,o),e.getCABO().getCoordShiftAndScaleEnabled()){const n=e.getCABO().getInverseShiftAndScaleMatrix();b(t.imagemat,t.imagemat,n)}e.getProgram().setUniformMatrix("MCPCMatrix",t.imagemat)},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),a=r.getProperty(),i=a.getOpacity();o.setUniformf("opacity",i);const s=t.volumeTexture.getComponents(),l=a.getIndependentComponents();if(l)for(let e=0;e{if(e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(a,r,o);const i=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==n.getProgram()&&(n.setProgram(i),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)}}const Tg={currentRenderPass:null,volumeTexture:null,volumeTextureTime:0,colorTexture:null,colorTextureString:null,pwfTexture:null,pwfTextureString:null,tris:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,lastIndependentComponents:0,imagemat:null,imagematinv:null};const Cg=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Tg,n),Zt.extend(e,t,n),Ud(e,t,n),jt.algo(e,t,2,0),t.tris=xd.newInstance(),t.volumeTexture=Fd.newInstance(),t.colorTexture=Fd.newInstance(),t.pwfTexture=Fd.newInstance(),t.imagemat=g(new Float64Array(16)),t.imagematinv=g(new Float64Array(16)),t.VBOBuildTime={},jt.obj(t.VBOBuildTime,{mtime:0}),xg(e,t)}),"vtkOpenGLImageCPRMapper");function Sg(e,t){t.classHierarchy.push("vtkOpenGLImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes()}},e.traverseZBufferPass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseOpaqueZBufferPass=t=>e.traverseOpaquePass(t),e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t._openGLRenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.zBufferPass=(t,n)=>e.opaquePass(t,n),e.opaqueZBufferPass=(t,n)=>e.opaquePass(t,n),e.opaquePass=(e,n)=>{e&&t.context.depthMask(!0)},e.translucentPass=(e,n)=>{t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(d(t.keyMatrices.mcwc,t.renderable.getMatrix()),m(t.keyMatrices.mcwc,t.keyMatrices.mcwc),t.keyMatrixTime.modified()),t.keyMatrices)}rn("vtkImageCPRMapper",Cg);const Pg={context:null,keyMatrixTime:null,keyMatrices:null};const Ag=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Pg,n),Zt.extend(e,t,n),t.keyMatrixTime={},yt(t.keyMatrixTime,{mtime:0}),t.keyMatrices={mcwc:g(new Float64Array(16))},Pt(e,t,["context"]),Sg(e,t)}),"vtkOpenGLImageSlice");function Ig(e,t){t.classHierarchy.push("vtkOpenGLVolume"),e.buildPass=n=>{t.renderable&&t.renderable.getVisibility()&&n&&(t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes())},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;n.incrementVolumeCount()}},e.traverseVolumePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children[0].traverse(n),e.apply(n,!1))},e.volumePass=e=>{t.renderable&&t.renderable.getVisibility()&&t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(t.renderable.computeMatrix(),d(t.MCWCMatrix,t.renderable.getMatrix()),m(t.MCWCMatrix,t.MCWCMatrix),t.renderable.getIsIdentity()?pe(t.normalMatrix):(se(t.normalMatrix,t.MCWCMatrix),ge(t.normalMatrix,t.normalMatrix),fe(t.normalMatrix,t.normalMatrix)),t.keyMatrixTime.modified()),{mcwc:t.MCWCMatrix,normalMatrix:t.normalMatrix})}rn("vtkImageSlice",Ag);const wg={};const Og=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,wg,n),Zt.extend(e,t,n),t.keyMatrixTime={},yt(t.keyMatrixTime,{mtime:0}),t.normalMatrix=new Float64Array(9),t.MCWCMatrix=new Float64Array(16),Pt(e,t,["context"]),Ig(e,t)}),"vtkOpenGLVolume");rn("vtkVolume",Og);const Mg=0,Rg=1,Vg=1,Eg=0,Dg=1,Lg=2,Bg=3,Ng=4,{vtkWarningMacro:kg,vtkErrorMacro:Fg}=Kt;function _g(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function Gg(e,t){t.classHierarchy.push("vtkOpenGLVolumeMapper"),e.buildPass=()=>{t.zBufferTexture=null},e.zBufferPass=(e,n)=>{if(e){const e=n.getZBufferTexture();e!==t.zBufferTexture&&(t.zBufferTexture=e)}},e.opaqueZBufferPass=(t,n)=>e.zBufferPass(t,n),e.volumePass=(n,r)=>{if(n){t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.jitterTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.scalarTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.opacityTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.openGLVolume=e.getFirstAncestorOfType("vtkOpenGLVolume");const n=t.openGLVolume.getRenderable();t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const r=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(r.getActiveCamera()),e.renderPiece(r,n)}},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexDC;\n\nvarying vec3 vertexVCVSOutput;\nuniform mat4 PCVCMatrix;\n\nuniform float dcxmin;\nuniform float dcxmax;\nuniform float dcymin;\nuniform float dcymax;\n\nvoid main()\n{\n // dcsmall is the device coords reduced to the\n // x y area covered by the volume\n vec4 dcsmall = vec4(\n dcxmin + 0.5 * (vertexDC.x + 1.0) * (dcxmax - dcxmin),\n dcymin + 0.5 * (vertexDC.y + 1.0) * (dcymax - dcymin),\n vertexDC.z,\n vertexDC.w);\n vec4 vcpos = PCVCMatrix * dcsmall;\n vertexVCVSOutput = vcpos.xyz/vcpos.w;\n gl_Position = dcsmall;\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkVolumeFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the volume mappers fragment shader\n\n// the output of this shader\n//VTK::Output::Dec\n\nvarying vec3 vertexVCVSOutput;\n\n// first declare the settings from the mapper\n// that impact the code paths in here\n\n// always set vtkNumComponents 1,2,3,4\n//VTK::NumComponents\n\n// possibly define vtkTrilinearOn\n//VTK::TrilinearOn\n\n// possibly define vtkIndependentComponents\n//VTK::IndependentComponentsOn\n\n// possibly define any \"proportional\" components\n//VTK::vtkProportionalComponents\n\n// Define the blend mode to use\n#define vtkBlendMode //VTK::BlendMode\n\n// Possibly define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n#ifdef vtkImageLabelOutlineOn\n\nuniform float outlineOpacity;\nuniform float vpWidth;\nuniform float vpHeight;\nuniform float vpOffsetX;\nuniform float vpOffsetY;\nuniform mat4 PCWCMatrix;\nuniform mat4 vWCtoIDX;\n#endif\n\n// define vtkLightComplexity\n//VTK::LightComplexity\n#if vtkLightComplexity > 0\nuniform float vSpecularPower;\nuniform float vAmbient;\nuniform float vDiffuse;\nuniform float vSpecular;\n//VTK::Light::Dec\n#endif\n\n//VTK::VolumeShadowOn\n//VTK::SurfaceShadowOn\n//VTK::localAmbientOcclusionOn\n//VTK::LAO::Dec\n//VTK::VolumeShadow::Dec\n\n// define vtkComputeNormalFromOpacity\n//VTK::vtkComputeNormalFromOpacity\n\n// possibly define vtkGradientOpacityOn\n//VTK::GradientOpacityOn\n#ifdef vtkGradientOpacityOn\nuniform float goscale0;\nuniform float goshift0;\nuniform float gomin0;\nuniform float gomax0;\n#if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\nuniform float goscale1;\nuniform float goshift1;\nuniform float gomin1;\nuniform float gomax1;\n#if vtkNumComponents >= 3\nuniform float goscale2;\nuniform float goshift2;\nuniform float gomin2;\nuniform float gomax2;\n#endif\n#if vtkNumComponents >= 4\nuniform float goscale3;\nuniform float goshift3;\nuniform float gomin3;\nuniform float gomax3;\n#endif\n#endif\n#endif\n\n// if you want to see the raw tiled\n// data in webgl1 uncomment the following line\n// #define debugtile\n\n// camera values\nuniform float camThick;\nuniform float camNear;\nuniform float camFar;\nuniform int cameraParallel;\n\n// values describing the volume geometry\nuniform vec3 vOriginVC;\nuniform vec3 vSpacing;\nuniform ivec3 volumeDimensions; // 3d texture dimensions\nuniform vec3 vPlaneNormal0;\nuniform float vPlaneDistance0;\nuniform vec3 vPlaneNormal1;\nuniform float vPlaneDistance1;\nuniform vec3 vPlaneNormal2;\nuniform float vPlaneDistance2;\nuniform vec3 vPlaneNormal3;\nuniform float vPlaneDistance3;\nuniform vec3 vPlaneNormal4;\nuniform float vPlaneDistance4;\nuniform vec3 vPlaneNormal5;\nuniform float vPlaneDistance5;\n\n//VTK::ClipPlane::Dec\n\n// opacity and color textures\nuniform sampler2D otexture;\nuniform float oshift0;\nuniform float oscale0;\nuniform sampler2D ctexture;\nuniform float cshift0;\nuniform float cscale0;\n\n// jitter texture\nuniform sampler2D jtexture;\nuniform sampler2D ttexture;\n\n\n// some 3D texture values\nuniform float sampleDistance;\nuniform vec3 vVCToIJK;\n\n// the heights defined below are the locations\n// for the up to four components of the tfuns\n// the tfuns have a height of 2XnumComps pixels so the\n// values are computed to hit the middle of the two rows\n// for that component\n#ifdef vtkIndependentComponentsOn\n#if vtkNumComponents == 2\nuniform float mix0;\nuniform float mix1;\n#define height0 0.25\n#define height1 0.75\n#endif\n#if vtkNumComponents == 3\nuniform float mix0;\nuniform float mix1;\nuniform float mix2;\n#define height0 0.17\n#define height1 0.5\n#define height2 0.83\n#endif\n#if vtkNumComponents == 4\nuniform float mix0;\nuniform float mix1;\nuniform float mix2;\nuniform float mix3;\n#define height0 0.125\n#define height1 0.375\n#define height2 0.625\n#define height3 0.875\n#endif\n#endif\n\n#if vtkNumComponents >= 2\nuniform float oshift1;\nuniform float oscale1;\nuniform float cshift1;\nuniform float cscale1;\n#endif\n#if vtkNumComponents >= 3\nuniform float oshift2;\nuniform float oscale2;\nuniform float cshift2;\nuniform float cscale2;\n#endif\n#if vtkNumComponents >= 4\nuniform float oshift3;\nuniform float oscale3;\nuniform float cshift3;\nuniform float cscale3;\n#endif\n\nuniform vec4 ipScalarRangeMin;\nuniform vec4 ipScalarRangeMax;\n\n// declaration for intermixed geometry\n//VTK::ZBuffer::Dec\n\n//=======================================================================\n// global and custom variables (a temporary section before photorealistics rendering module is complete)\nvec3 rayDirVC;\nfloat sampleDistanceISVS;\nfloat sampleDistanceIS;\n\n#define SQRT3 1.7321\n#define INV4PI 0.0796\n#define EPSILON 0.001\n#define PI 3.1415\n#define PI2 9.8696\n\n//=======================================================================\n// Webgl2 specific version of functions\n#if __VERSION__ == 300\n\nuniform highp sampler3D texture1;\n\nvec4 getTextureValue(vec3 pos)\n{\n vec4 tmp = texture(texture1, pos);\n#if vtkNumComponents == 1\n tmp.a = tmp.r;\n#endif\n#if vtkNumComponents == 2\n tmp.a = tmp.g;\n#endif\n#if vtkNumComponents == 3\n tmp.a = length(tmp.rgb);\n#endif\n return tmp;\n}\n\n//=======================================================================\n// WebGL1 specific version of functions\n#else\n\nuniform sampler2D texture1;\n\nuniform float texWidth;\nuniform float texHeight;\nuniform int xreps;\nuniform int xstride;\nuniform int ystride;\n\n// if computing trilinear values from multiple z slices\n#ifdef vtkTrilinearOn\nvec4 getTextureValue(vec3 ijk)\n{\n float zoff = 1.0/float(volumeDimensions.z);\n vec4 val1 = getOneTextureValue(ijk);\n vec4 val2 = getOneTextureValue(vec3(ijk.xy, ijk.z + zoff));\n\n float indexZ = float(volumeDimensions)*ijk.z;\n float zmix = indexZ - floor(indexZ);\n\n return mix(val1, val2, zmix);\n}\n\nvec4 getOneTextureValue(vec3 ijk)\n#else // nearest or fast linear\nvec4 getTextureValue(vec3 ijk)\n#endif\n{\n vec3 tdims = vec3(volumeDimensions);\n\n#ifdef debugtile\n vec2 tpos = vec2(ijk.x, ijk.y);\n vec4 tmp = texture2D(texture1, tpos);\n tmp.a = 1.0;\n\n#else\n int z = int(ijk.z * tdims.z);\n int yz = z / xreps;\n int xz = z - yz*xreps;\n\n int tileWidth = volumeDimensions.x/xstride;\n int tileHeight = volumeDimensions.y/ystride;\n\n xz *= tileWidth;\n yz *= tileHeight;\n\n float ni = float(xz) + (ijk.x*float(tileWidth));\n float nj = float(yz) + (ijk.y*float(tileHeight));\n\n vec2 tpos = vec2(ni/texWidth, nj/texHeight);\n\n vec4 tmp = texture2D(texture1, tpos);\n\n#if vtkNumComponents == 1\n tmp.a = tmp.r;\n#endif\n#if vtkNumComponents == 2\n tmp.g = tmp.a;\n#endif\n#if vtkNumComponents == 3\n tmp.a = length(tmp.rgb);\n#endif\n#endif\n\n return tmp;\n}\n\n// End of Webgl1 specific code\n//=======================================================================\n#endif\n\n//=======================================================================\n// transformation between VC and IS space\n\n// convert vector position from idx to vc\n#if (vtkLightComplexity > 0) || (defined vtkClippingPlanesOn)\nvec3 IStoVC(vec3 posIS){\n vec3 posVC = posIS / vVCToIJK;\n return posVC.x * vPlaneNormal0 +\n posVC.y * vPlaneNormal2 +\n posVC.z * vPlaneNormal4 +\n vOriginVC;\n}\n\n// convert vector position from vc to idx\nvec3 VCtoIS(vec3 posVC){\n posVC = posVC - vOriginVC;\n posVC = vec3(\n dot(posVC, vPlaneNormal0),\n dot(posVC, vPlaneNormal2),\n dot(posVC, vPlaneNormal4));\n return posVC * vVCToIJK;\n}\n#endif\n\n//Rotate vector to view coordinate\n#if (vtkLightComplexity > 0) || (defined vtkGradientOpacityOn)\nvoid rotateToViewCoord(inout vec3 dirIS){\n dirIS.xyz =\n dirIS.x * vPlaneNormal0 +\n dirIS.y * vPlaneNormal2 +\n dirIS.z * vPlaneNormal4;\n}\n\n//Rotate vector to idx coordinate\nvec3 rotateToIDX(vec3 dirVC){\n vec3 dirIS;\n dirIS.xyz = vec3(\n dot(dirVC, vPlaneNormal0),\n dot(dirVC, vPlaneNormal2),\n dot(dirVC, vPlaneNormal4));\n return dirIS;\n}\n#endif\n\n//=======================================================================\n// Given a normal compute the gradient opacity factors\nfloat computeGradientOpacityFactor(\n float normalMag, float goscale, float goshift, float gomin, float gomax)\n{\n#if defined(vtkGradientOpacityOn)\n return clamp(normalMag * goscale + goshift, gomin, gomax);\n#else\n return 1.0;\n#endif\n}\n\n//=======================================================================\n// compute the normal and gradient magnitude for a position, uses forward difference\n#if (vtkLightComplexity > 0) || (defined vtkGradientOpacityOn)\n#ifdef vtkClippingPlanesOn\n void adjustClippedVoxelValues(vec3 pos, vec3 texPos[3], inout vec3 g1)\n {\n vec3 g1VC[3];\n for (int i = 0; i < 3; ++i)\n {\n g1VC[i] = IStoVC(texPos[i]);\n }\n vec3 posVC = IStoVC(pos);\n for (int i = 0; i < clip_numPlanes; ++i)\n {\n for (int j = 0; j < 3; ++j)\n {\n if(dot(vec3(vClipPlaneOrigins[i] - g1VC[j].xyz), vClipPlaneNormals[i]) > 0.0)\n {\n g1[j] = 0.0;\n }\n }\n }\n }\n#endif\n\n #ifdef vtkComputeNormalFromOpacity\n #ifdef vtkGradientOpacityOn\n vec4 computeDensityNormal(float gradientMag, vec3 scalarInterp[2])\n {\n #else\n //if gradient opacity not on but using density gradient\n vec4 computeDensityNormal(vec3 scalarInterp[2])\n {\n #endif\n vec3 opacityG1, opacityG2;\n opacityG1.x = texture2D(otexture, vec2(scalarInterp[0].x * oscale0 + oshift0, 0.5)).r;\n opacityG1.y = texture2D(otexture, vec2(scalarInterp[0].y * oscale0 + oshift0, 0.5)).r;\n opacityG1.z = texture2D(otexture, vec2(scalarInterp[0].z * oscale0 + oshift0, 0.5)).r;\n opacityG2.x = texture2D(otexture, vec2(scalarInterp[1].x * oscale0 + oshift0, 0.5)).r;\n opacityG2.y = texture2D(otexture, vec2(scalarInterp[1].y * oscale0 + oshift0, 0.5)).r;\n opacityG2.z = texture2D(otexture, vec2(scalarInterp[1].z * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n float gradOpacityFactor = 1.0f;\n if (gradientMag >= 0.0){\n gradOpacityFactor = computeGradientOpacityFactor(gradientMag, goscale0, goshift0, gomin0, gomax0);\n }\n opacityG1.xyz *= gradOpacityFactor;\n opacityG2.xyz *= gradOpacityFactor;\n #endif\n\n vec4 opacityG = vec4(opacityG1 - opacityG2, 1.0f);\n // divide by spacing\n opacityG.xyz /= vSpacing;\n opacityG.w = length(opacityG.xyz);\n // rotate to View Coords\n rotateToViewCoord(opacityG.xyz);\n if (length(opacityG.xyz) > 0.0) {\n return vec4(normalize(opacityG.xyz),opacityG.w);\n } else {\n return vec4(0.0);\n }\n }\n\n vec4 computeNormalForDensity(vec3 pos, vec3 tstep, out vec3 scalarInterp[2])\n {\n vec3 xvec = vec3(tstep.x, 0.0, 0.0);\n vec3 yvec = vec3(0.0, tstep.y, 0.0);\n vec3 zvec = vec3(0.0, 0.0, tstep.z);\n vec3 texPosPVec[3];\n texPosPVec[0] = pos + xvec;\n texPosPVec[1] = pos + yvec;\n texPosPVec[2] = pos + zvec;\n vec3 texPosNVec[3];\n texPosNVec[0] = pos - xvec;\n texPosNVec[1] = pos - yvec;\n texPosNVec[2] = pos - zvec;\n vec3 g1, g2;\n\n scalarInterp[0].x = getTextureValue(texPosPVec[0]).a;\n scalarInterp[0].y = getTextureValue(texPosPVec[1]).a;\n scalarInterp[0].z = getTextureValue(texPosPVec[2]).a;\n scalarInterp[1].x = getTextureValue(texPosNVec[0]).a;\n scalarInterp[1].y = getTextureValue(texPosNVec[1]).a;\n scalarInterp[1].z = getTextureValue(texPosNVec[2]).a;\n\n #ifdef vtkClippingPlanesOn\n adjustClippedVoxelValues(pos, texPosPVec, scalarInterp[0]);\n adjustClippedVoxelValues(pos, texPosNVec, scalarInterp[1]);\n #endif\n vec4 result;\n result.x = scalarInterp[0].x - scalarInterp[1].x;\n result.y = scalarInterp[0].y - scalarInterp[1].y;\n result.z = scalarInterp[0].z - scalarInterp[1].z;\n // divide by spacing\n result.xyz /= vSpacing;\n result.w = length(result.xyz);\n // rotate to View Coords\n rotateToViewCoord(result.xyz);\n if (length(result.xyz) > 0.0) {\n return vec4(normalize(result.xyz),result.w);\n } else {\n return vec4(0.0);\n }\n }\n #endif\n\n vec4 computeNormal(vec3 pos, vec3 tstep)\n {\n vec3 xvec = vec3(tstep.x, 0.0, 0.0);\n vec3 yvec = vec3(0.0, tstep.y, 0.0);\n vec3 zvec = vec3(0.0, 0.0, tstep.z);\n vec3 texPosPVec[3];\n texPosPVec[0] = pos + xvec;\n texPosPVec[1] = pos + yvec;\n texPosPVec[2] = pos + zvec;\n vec3 texPosNVec[3];\n texPosNVec[0] = pos - xvec;\n texPosNVec[1] = pos - yvec;\n texPosNVec[2] = pos - zvec;\n vec3 g1, g2;\n g1.x = getTextureValue(texPosPVec[0]).a;\n g1.y = getTextureValue(texPosPVec[1]).a;\n g1.z = getTextureValue(texPosPVec[2]).a;\n g2.x = getTextureValue(texPosNVec[0]).a;\n g2.y = getTextureValue(texPosNVec[1]).a;\n g2.z = getTextureValue(texPosNVec[2]).a;\n #ifdef vtkClippingPlanesOn\n adjustClippedVoxelValues(pos, texPosPVec, g1);\n adjustClippedVoxelValues(pos, texPosNVec, g2);\n #endif\n vec4 result;\n result = vec4(g1 - g2, -1.0);\n // divide by spacing\n result.xyz /= vSpacing;\n result.w = length(result.xyz);\n if (result.w > 0.0){\n // rotate to View Coords\n rotateToViewCoord(result.xyz);\n return vec4(normalize(result.xyz),result.w);\n } else {\n return vec4(0.0);\n }\n }\n#endif\n\n#ifdef vtkImageLabelOutlineOn\nvec3 fragCoordToIndexSpace(vec4 fragCoord) {\n vec4 pcPos = vec4(\n (fragCoord.x / vpWidth - vpOffsetX - 0.5) * 2.0,\n (fragCoord.y / vpHeight - vpOffsetY - 0.5) * 2.0,\n (fragCoord.z - 0.5) * 2.0,\n 1.0);\n\n vec4 worldCoord = PCWCMatrix * pcPos;\n vec4 vertex = (worldCoord/worldCoord.w);\n\n vec3 index = (vWCtoIDX * vertex).xyz;\n\n // half voxel fix for labelmapOutline\n return (index + vec3(0.5)) / vec3(volumeDimensions);\n}\n#endif\n\n//=======================================================================\n// compute the normals and gradient magnitudes for a position\n// for independent components\nmat4 computeMat4Normal(vec3 pos, vec4 tValue, vec3 tstep)\n{\n mat4 result;\n vec4 distX = getTextureValue(pos + vec3(tstep.x, 0.0, 0.0)) - tValue;\n vec4 distY = getTextureValue(pos + vec3(0.0, tstep.y, 0.0)) - tValue;\n vec4 distZ = getTextureValue(pos + vec3(0.0, 0.0, tstep.z)) - tValue;\n\n // divide by spacing\n distX /= vSpacing.x;\n distY /= vSpacing.y;\n distZ /= vSpacing.z;\n\n mat3 rot;\n rot[0] = vPlaneNormal0;\n rot[1] = vPlaneNormal2;\n rot[2] = vPlaneNormal4;\n\n#if !defined(vtkComponent0Proportional)\n result[0].xyz = vec3(distX.r, distY.r, distZ.r);\n result[0].a = length(result[0].xyz);\n result[0].xyz *= rot;\n if (result[0].w > 0.0)\n {\n result[0].xyz /= result[0].w;\n }\n#endif\n\n// optionally compute the 2nd component\n#if vtkNumComponents >= 2 && !defined(vtkComponent1Proportional)\n result[1].xyz = vec3(distX.g, distY.g, distZ.g);\n result[1].a = length(result[1].xyz);\n result[1].xyz *= rot;\n if (result[1].w > 0.0)\n {\n result[1].xyz /= result[1].w;\n }\n#endif\n\n// optionally compute the 3rd component\n#if vtkNumComponents >= 3 && !defined(vtkComponent2Proportional)\n result[2].xyz = vec3(distX.b, distY.b, distZ.b);\n result[2].a = length(result[2].xyz);\n result[2].xyz *= rot;\n if (result[2].w > 0.0)\n {\n result[2].xyz /= result[2].w;\n }\n#endif\n\n// optionally compute the 4th component\n#if vtkNumComponents >= 4 && !defined(vtkComponent3Proportional)\n result[3].xyz = vec3(distX.a, distY.a, distZ.a);\n result[3].a = length(result[3].xyz);\n result[3].xyz *= rot;\n if (result[3].w > 0.0)\n {\n result[3].xyz /= result[3].w;\n }\n#endif\n\n return result;\n}\n\n//=======================================================================\n// global shadow - secondary ray\n#if defined(VolumeShadowOn) || defined(localAmbientOcclusionOn)\nfloat random()\n{\n float rand = fract(sin(dot(gl_FragCoord.xy,vec2(12.9898,78.233)))*43758.5453123);\n float jitter=texture2D(jtexture,gl_FragCoord.xy/32.).r;\n uint pcg_state = floatBitsToUint(jitter);\n uint state = pcg_state;\n pcg_state = pcg_state * uint(747796405) + uint(2891336453);\n uint word = ((state >> ((state >> uint(28)) + uint(4))) ^ state) * uint(277803737);\n return (float((((word >> uint(22)) ^ word) >> 1 ))/float(2147483647) + rand)/2.0;\n}\n#endif\n\n#ifdef VolumeShadowOn\n// henyey greenstein phase function\nfloat phase_function(float cos_angle)\n{\n // divide by 2.0 instead of 4pi to increase intensity\n return ((1.0-anisotropy2)/pow(1.0+anisotropy2-2.0*anisotropy*cos_angle, 1.5))/2.0;\n}\n\n// Computes the intersection between a ray and a box\nstruct Hit\n{\n float tmin;\n float tmax;\n};\n\nstruct Ray\n{\n vec3 origin;\n vec3 dir;\n vec3 invDir;\n};\n\nbool BBoxIntersect(vec3 boundMin, vec3 boundMax, const Ray r, out Hit hit)\n{\n vec3 tbot = r.invDir * (boundMin - r.origin);\n vec3 ttop = r.invDir * (boundMax - r.origin);\n vec3 tmin = min(ttop, tbot);\n vec3 tmax = max(ttop, tbot);\n vec2 t = max(tmin.xx, tmin.yz);\n float t0 = max(t.x, t.y);\n t = min(tmax.xx, tmax.yz);\n float t1 = min(t.x, t.y);\n hit.tmin = t0;\n hit.tmax = t1;\n return t1 > max(t0,0.0);\n}\n\n// As BBoxIntersect requires the inverse of the ray coords,\n// this function is used to avoid numerical issues\nvoid safe_0_vector(inout Ray ray)\n{\n if(abs(ray.dir.x) < EPSILON) ray.dir.x = sign(ray.dir.x) * EPSILON;\n if(abs(ray.dir.y) < EPSILON) ray.dir.y = sign(ray.dir.y) * EPSILON;\n if(abs(ray.dir.z) < EPSILON) ray.dir.z = sign(ray.dir.z) * EPSILON;\n}\n\nfloat volume_shadow(vec3 posIS, vec3 lightDirNormIS)\n{\n float shadow = 1.0;\n float opacity = 0.0;\n\n // modify sample distance with a random number between 1.5 and 3.0\n float sampleDistanceISVS_jitter = sampleDistanceISVS * mix(1.5, 3.0, random());\n float opacityPrev = texture2D(otexture, vec2(getTextureValue(posIS).r * oscale0 + oshift0, 0.5)).r;\n\n // in case the first sample near surface has a very tiled light ray, we need to offset start position\n posIS += sampleDistanceISVS_jitter * lightDirNormIS;\n\n // compute the start and end points for the ray\n Ray ray;\n Hit hit;\n ray.origin = posIS;\n ray.dir = lightDirNormIS;\n safe_0_vector(ray);\n ray.invDir = 1.0/ray.dir;\n\n if(!BBoxIntersect(vec3(0.0),vec3(1.0), ray, hit))\n {\n return 1.0;\n }\n float maxdist = hit.tmax;\n\n // interpolate shadow ray length between: 1 unit of sample distance in IS to SQRT3, based on globalIlluminationReach\n float maxgi = mix(sampleDistanceISVS_jitter,SQRT3,giReach);\n maxdist = min(maxdist,maxgi);\n if(maxdist < EPSILON) {\n return 1.0;\n }\n\n // support gradient opacity\n #ifdef vtkGradientOpacityOn\n vec4 normal;\n #endif\n\n float current_dist = 0.0;\n float current_step = length(sampleDistanceISVS_jitter * lightDirNormIS);\n float clamped_step = 0.0;\n\n vec4 scalar = vec4(0.0);\n while(current_dist < maxdist)\n {\n#ifdef vtkClippingPlanesOn\n vec3 posVC = IStoVC(posIS);\n for (int i = 0; i < clip_numPlanes; ++i)\n {\n if (dot(vec3(vClipPlaneOrigins[i] - posVC), vClipPlaneNormals[i]) > 0.0)\n {\n current_dist = maxdist;\n }\n }\n#endif\n scalar = getTextureValue(posIS);\n opacity = texture2D(otexture, vec2(scalar.r * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n normal = computeNormal(posIS, vec3(1.0/vec3(volumeDimensions)));\n opacity *= computeGradientOpacityFactor(normal.w, goscale0, goshift0, gomin0, gomax0);\n #endif\n shadow *= 1.0 - opacity;\n\n // optimization: early termination\n if (shadow < EPSILON){\n return 0.0;\n }\n\n clamped_step = min(maxdist - current_dist, current_step);\n posIS += clamped_step * lightDirNormIS;\n current_dist += current_step;\n }\n\n return shadow;\n}\n\nvec3 applyShadowRay(vec3 tColor, vec3 posIS, vec3 viewDirectionVC)\n{\n vec3 vertLight = vec3(0.0);\n vec3 secondary_contrib = vec3(0.0);\n // here we assume only positional light, no effect of cones\n for (int i = 0; i < lightNum; i++)\n {\n #if(vtkLightComplexity==3)\n if (lightPositional[i] == 1){\n vertLight = lightPositionVC[i] - IStoVC(posIS);\n }else{\n vertLight = - lightDirectionVC[i];\n }\n #else\n vertLight = - lightDirectionVC[i];\n #endif\n // here we assume achromatic light, only intensity\n float dDotL = dot(viewDirectionVC, normalize(vertLight));\n // isotropic scatter returns 0.5 instead of 1/4pi to increase intensity\n float phase_attenuation = 0.5;\n if (abs(anisotropy) > EPSILON){\n phase_attenuation = phase_function(dDotL);\n }\n float vol_shadow = volume_shadow(posIS, normalize(rotateToIDX(vertLight)));\n secondary_contrib += tColor * vDiffuse * lightColor[i] * vol_shadow * phase_attenuation;\n secondary_contrib += tColor * vAmbient;\n }\n return secondary_contrib;\n}\n#endif\n\n//=======================================================================\n// local ambient occlusion\n#ifdef localAmbientOcclusionOn\nvec3 sample_direction_uniform(int i)\n{\n float rand = random() * 0.5;\n float theta = PI2 * (kernelSample[i][0] + rand);\n float phi = acos(2.0 * (kernelSample[i][1] + rand) -1.0) / 2.5;\n return normalize(vec3(cos(theta)*sin(phi), sin(theta)*sin(phi), cos(phi)));\n}\n\n// return a matrix that transform startDir into z axis; startDir should be normalized\nmat3 zBaseRotationalMatrix(vec3 startDir){\n vec3 axis = cross(startDir, vec3(0.0,0.0,1.0));\n float cosA = startDir.z;\n float k = 1.0 / (1.0 + cosA);\n mat3 matrix = mat3((axis.x * axis.x * k) + cosA, (axis.y * axis.x * k) - axis.z, (axis.z * axis.x * k) + axis.y,\n (axis.x * axis.y * k) + axis.z, (axis.y * axis.y * k) + cosA, (axis.z * axis.y * k) - axis.x,\n (axis.x * axis.z * k) - axis.y, (axis.y * axis.z * k) + axis.x, (axis.z * axis.z * k) + cosA);\n return matrix;\n}\n\nfloat computeLAO(vec3 posIS, float op, vec3 lightDir, vec4 normal){\n // apply LAO only at selected locations, otherwise return full brightness\n if (normal.w > 0.0 && op > 0.05){\n float total_transmittance = 0.0;\n mat3 inverseRotateBasis = inverse(zBaseRotationalMatrix(normalize(-normal.xyz)));\n vec3 currPos, randomDirStep;\n float weight, transmittance, opacity;\n for (int i = 0; i < kernelSize; i++)\n {\n randomDirStep = inverseRotateBasis * sample_direction_uniform(i) * sampleDistanceIS;\n weight = 1.0 - dot(normalize(lightDir), normalize(randomDirStep));\n currPos = posIS;\n transmittance = 1.0;\n for (int j = 0; j < kernelRadius ; j++){\n currPos += randomDirStep;\n // check if it's at clipping plane, if so return full brightness\n if (all(greaterThan(currPos, vec3(EPSILON))) && all(lessThan(currPos,vec3(1.0-EPSILON)))){\n opacity = texture2D(otexture, vec2(getTextureValue(currPos).r * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n opacity *= computeGradientOpacityFactor(normal.w, goscale0, goshift0, gomin0, gomax0);\n #endif\n transmittance *= 1.0 - opacity;\n }\n else{\n break;\n }\n }\n total_transmittance += transmittance / float(kernelRadius) * weight;\n\n // early termination if fully translucent\n if (total_transmittance > 1.0 - EPSILON){\n return 1.0;\n }\n }\n // average transmittance and reduce variance\n return clamp(total_transmittance / float(kernelSize), 0.3, 1.0);\n } else {\n return 1.0;\n }\n}\n#endif\n\n//=======================================================================\n// surface light contribution\n#if vtkLightComplexity > 0\n void applyLighting(inout vec3 tColor, vec4 normal)\n {\n vec3 diffuse = vec3(0.0, 0.0, 0.0);\n vec3 specular = vec3(0.0, 0.0, 0.0);\n float df, sf = 0.0;\n for (int i = 0; i < lightNum; i++){\n df = abs(dot(normal.rgb, -lightDirectionVC[i]));\n diffuse += df * lightColor[i];\n sf = pow( abs(dot(lightHalfAngleVC[i],normal.rgb)), vSpecularPower);\n specular += sf * lightColor[i];\n }\n tColor.rgb = tColor.rgb*(diffuse*vDiffuse + vAmbient) + specular*vSpecular;\n }\n #ifdef SurfaceShadowOn\n #if vtkLightComplexity < 3\n vec3 applyLightingDirectional(vec3 posIS, vec4 tColor, vec4 normal)\n {\n // everything in VC\n vec3 diffuse = vec3(0.0);\n vec3 specular = vec3(0.0);\n #ifdef localAmbientOcclusionOn\n vec3 ambient = vec3(0.0);\n #endif\n vec3 vertLightDirection;\n for (int i = 0; i < lightNum; i++){\n float ndotL,vdotR;\n vertLightDirection = lightDirectionVC[i];\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n }\n #ifdef localAmbientOcclusionOn\n return tColor.rgb * (diffuse * vDiffuse + vAmbient * ambient) + specular*vSpecular;\n #else\n return tColor.rgb * (diffuse * vDiffuse + vAmbient) + specular*vSpecular;\n #endif\n }\n #else\n vec3 applyLightingPositional(vec3 posIS, vec4 tColor, vec4 normal, vec3 posVC)\n {\n // everything in VC\n vec3 diffuse = vec3(0.0);\n vec3 specular = vec3(0.0);\n #ifdef localAmbientOcclusionOn\n vec3 ambient = vec3(0.0);\n #endif\n vec3 vertLightDirection;\n for (int i = 0; i < lightNum; i++){\n float distance,attenuation,ndotL,vdotR;\n vec3 lightDir;\n if (lightPositional[i] == 1){\n lightDir = lightDirectionVC[i];\n vertLightDirection = posVC - lightPositionVC[i];\n distance = length(vertLightDirection);\n vertLightDirection = normalize(vertLightDirection);\n attenuation = 1.0 / (lightAttenuation[i].x\n + lightAttenuation[i].y * distance\n + lightAttenuation[i].z * distance * distance);\n // per OpenGL standard cone angle is 90 or less for a spot light\n if (lightConeAngle[i] <= 90.0){\n float coneDot = dot(vertLightDirection, lightDir);\n if (coneDot >= cos(radians(lightConeAngle[i]))){ // if inside cone\n attenuation = attenuation * pow(coneDot, lightExponent[i]);\n }\n else {\n attenuation = 0.0;\n }\n }\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * attenuation * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * attenuation * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n } else {\n vertLightDirection = lightDirectionVC[i];\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n }\n }\n #ifdef localAmbientOcclusionOn\n return tColor.rgb * (diffuse * vDiffuse + vAmbient * ambient) + specular*vSpecular;\n #else\n return tColor.rgb * (diffuse * vDiffuse + vAmbient) + specular*vSpecular;\n #endif\n }\n #endif\n #endif\n#endif\n\n//=======================================================================\n// Given a texture value compute the color and opacity\n//\nvec4 getColorForValue(vec4 tValue, vec3 posIS, vec3 tstep)\n{\n#ifdef vtkImageLabelOutlineOn\n vec3 centerPosIS = fragCoordToIndexSpace(gl_FragCoord); // pos in texture space\n vec4 centerValue = getTextureValue(centerPosIS);\n bool pixelOnBorder = false;\n vec4 tColor = texture2D(ctexture, vec2(centerValue.r * cscale0 + cshift0, 0.5));\n\n // Get alpha of segment from opacity function.\n tColor.a = texture2D(otexture, vec2(centerValue.r * oscale0 + oshift0, 0.5)).r;\n\n int segmentIndex = int(centerValue.r * 255.0);\n \n // Use texture sampling for outlineThickness\n float textureCoordinate = float(segmentIndex - 1) / 1024.0;\n float textureValue = texture2D(ttexture, vec2(textureCoordinate, 0.5)).r;\n\n int actualThickness = int(textureValue * 255.0);\n\n if (actualThickness == 0) {\n return vec4(0, 0, 1, 1);\n }\n\n // Only perform outline check on fragments rendering voxels that aren't invisible.\n // Saves a bunch of needless checks on the background.\n // TODO define epsilon when building shader?\n if (float(tColor.a) > 0.01) {\n for (int i = -actualThickness; i <= actualThickness; i++) {\n for (int j = -actualThickness; j <= actualThickness; j++) {\n if (i == 0 || j == 0) {\n continue;\n }\n\n vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n gl_FragCoord.y + float(j),\n gl_FragCoord.z, gl_FragCoord.w);\n\n vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n vec4 value = getTextureValue(neighborPosIS);\n\n // If any of my neighbours are not the same value as I\n // am, this means I am on the border of the segment.\n // We can break the loops\n if (any(notEqual(value, centerValue))) {\n pixelOnBorder = true;\n break;\n }\n }\n\n if (pixelOnBorder == true) {\n break;\n }\n }\n\n // If I am on the border, I am displayed at full opacity\n if (pixelOnBorder == true) {\n tColor.a = outlineOpacity;\n }\n }\n\n#else\n // compute the normal and gradient magnitude if needed\n // We compute it as a vec4 if possible otherwise a mat4\n //\n vec4 goFactor = vec4(1.0,1.0,1.0,1.0);\n\n // compute the normal vectors as needed\n #if (vtkLightComplexity > 0) || defined(vtkGradientOpacityOn)\n #if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\n mat4 normalMat = computeMat4Normal(posIS, tValue, tstep);\n #if !defined(vtkComponent0Proportional)\n vec4 normal0 = normalMat[0];\n #endif\n #if !defined(vtkComponent1Proportional)\n vec4 normal1 = normalMat[1];\n #endif\n #if vtkNumComponents > 2\n #if !defined(vtkComponent2Proportional)\n vec4 normal2 = normalMat[2];\n #endif\n #if vtkNumComponents > 3\n #if !defined(vtkComponent3Proportional)\n vec4 normal3 = normalMat[3];\n #endif\n #endif\n #endif\n #else\n vec4 normalLight;\n #ifdef vtkComputeNormalFromOpacity\n vec3 scalarInterp[2];\n vec4 normal0 = computeNormalForDensity(posIS, tstep, scalarInterp);\n if (length(normal0)>0.0){\n #ifdef vtkGradientOpacityOn\n normalLight = computeDensityNormal(normal0.w, scalarInterp);\n #else\n normalLight = computeDensityNormal(scalarInterp);\n #endif\n if (length(normalLight) == 0.0){\n normalLight = normal0;\n }\n }\n #else\n vec4 normal0 = computeNormal(posIS, tstep);\n normalLight = normal0;\n #endif\n #endif\n #endif\n\n // compute gradient opacity factors as needed\n #if defined(vtkGradientOpacityOn)\n #if !defined(vtkComponent0Proportional)\n goFactor.x =\n computeGradientOpacityFactor(normal0.a, goscale0, goshift0, gomin0, gomax0);\n #endif\n #if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\n #if !defined(vtkComponent1Proportional)\n goFactor.y =\n computeGradientOpacityFactor(normal1.a, goscale1, goshift1, gomin1, gomax1);\n #endif\n #if vtkNumComponents > 2\n #if !defined(vtkComponent2Proportional)\n goFactor.z =\n computeGradientOpacityFactor(normal2.a, goscale2, goshift2, gomin2, gomax2);\n #endif\n #if vtkNumComponents > 3\n #if !defined(vtkComponent3Proportional)\n goFactor.w =\n computeGradientOpacityFactor(normal3.a, goscale3, goshift3, gomin3, gomax3);\n #endif\n #endif\n #endif\n #endif\n #endif\n\n // single component is always independent\n #if vtkNumComponents == 1\n vec4 tColor = texture2D(ctexture, vec2(tValue.r * cscale0 + cshift0, 0.5));\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n if (tColor.a < EPSILON){\n return vec4(0.0);\n }\n #endif\n\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n vec4 tColor = mix0*texture2D(ctexture, vec2(tValue.r * cscale0 + cshift0, height0));\n #if !defined(vtkComponent0Proportional)\n tColor.a = goFactor.x*mix0*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, height0)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, height0)).r;\n tColor *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix0));\n #endif\n\n vec3 tColor1 = mix1*texture2D(ctexture, vec2(tValue.g * cscale1 + cshift1, height1)).rgb;\n #if !defined(vtkComponent1Proportional)\n tColor.a += goFactor.y*mix1*texture2D(otexture, vec2(tValue.g * oscale1 + oshift1, height1)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.g * oscale1 + oshift1, height1)).r;\n tColor1 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix1));\n #endif\n\n #if vtkNumComponents >= 3\n vec3 tColor2 = mix2*texture2D(ctexture, vec2(tValue.b * cscale2 + cshift2, height2)).rgb;\n #if !defined(vtkComponent2Proportional)\n tColor.a += goFactor.z*mix2*texture2D(otexture, vec2(tValue.b * oscale2 + oshift2, height2)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.b * oscale2 + oshift2, height2)).r;\n tColor2 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix2));\n #endif\n\n #if vtkNumComponents >= 4\n vec3 tColor3 = mix3*texture2D(ctexture, vec2(tValue.a * cscale3 + cshift3, height3)).rgb;\n #if !defined(vtkComponent3Proportional)\n tColor.a += goFactor.w*mix3*texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, height3)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, height3)).r;\n tColor3 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix3));\n #endif\n #endif\n #endif\n #else // then not independent\n\n #if vtkNumComponents == 2\n float lum = tValue.r * cscale0 + cshift0;\n float alpha = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale1 + oshift1, 0.5)).r;\n vec4 tColor = vec4(lum, lum, lum, alpha);\n #endif\n #if vtkNumComponents == 3\n vec4 tColor;\n tColor.r = tValue.r * cscale0 + cshift0;\n tColor.g = tValue.g * cscale1 + cshift1;\n tColor.b = tValue.b * cscale2 + cshift2;\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale0 + oshift0, 0.5)).r;\n #endif\n #if vtkNumComponents == 4\n vec4 tColor;\n tColor.r = tValue.r * cscale0 + cshift0;\n tColor.g = tValue.g * cscale1 + cshift1;\n tColor.b = tValue.b * cscale2 + cshift2;\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, 0.5)).r;\n #endif\n #endif // dependent\n\n // apply lighting if requested as appropriate\n #if vtkLightComplexity > 0\n #if !defined(vtkComponent0Proportional)\n #if vtkNumComponents == 1\n #ifdef SurfaceShadowOn\n #if vtkLightComplexity < 3\n vec3 tColorS = applyLightingDirectional(posIS, tColor, normalLight);\n #else\n vec3 tColorS = applyLightingPositional(posIS, tColor, normalLight, IStoVC(posIS));\n #endif\n #endif\n\n #ifdef VolumeShadowOn\n vec3 tColorVS = applyShadowRay(tColor.rgb, posIS, rayDirVC);\n #ifdef SurfaceShadowOn\n float vol_coef = volumetricScatteringBlending * (1.0 - tColor.a / 2.0) * (1.0 - atan(normalLight.w) * INV4PI);\n tColor.rgb = (1.0-vol_coef) * tColorS + vol_coef * tColorVS;\n #else\n tColor.rgb = tColorVS;\n #endif\n #else\n tColor.rgb = tColorS;\n #endif\n\n #else\n applyLighting(tColor.rgb, normal0);\n #endif\n #endif\n\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n #if !defined(vtkComponent1Proportional)\n applyLighting(tColor1, normal1);\n #endif\n #if vtkNumComponents >= 3\n #if !defined(vtkComponent2Proportional)\n applyLighting(tColor2, normal2);\n #endif\n #if vtkNumComponents >= 4\n #if !defined(vtkComponent3Proportional)\n applyLighting(tColor3, normal3);\n #endif\n #endif\n #endif\n #endif\n #endif\n\n// perform final independent blend as needed\n#if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n tColor.rgb += tColor1;\n#if vtkNumComponents >= 3\n tColor.rgb += tColor2;\n#if vtkNumComponents >= 4\n tColor.rgb += tColor3;\n#endif\n#endif\n#endif\n\n#endif\nreturn tColor;\n}\n\nbool valueWithinScalarRange(vec4 val, vec4 min, vec4 max) {\n bool withinRange = false;\n #if vtkNumComponents == 1\n if (val.r >= min.r && val.r <= max.r) {\n withinRange = true;\n }\n #endif\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents == 2\n if (val.r >= min.r && val.r <= max.r &&\n val.g >= min.g && val.g <= max.g) {\n withinRange = true;\n }\n #endif\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 3\n if (all(greaterThanEqual(val, ipScalarRangeMin)) &&\n all(lessThanEqual(val, ipScalarRangeMax))) {\n withinRange = true;\n }\n #endif\n return withinRange;\n}\n\n//=======================================================================\n// Apply the specified blend mode operation along the ray's path.\n//\nvoid applyBlend(vec3 posIS, vec3 endIS, vec3 tdims)\n{\n vec3 tstep = 1.0/tdims;\n\n // start slightly inside and apply some jitter\n vec3 delta = endIS - posIS;\n vec3 stepIS = normalize(delta)*sampleDistanceIS;\n float raySteps = length(delta)/sampleDistanceIS;\n\n // avoid 0.0 jitter\n float jitter = 0.01 + 0.99*texture2D(jtexture, gl_FragCoord.xy/32.0).r;\n float stepsTraveled = jitter;\n\n // local vars for the loop\n vec4 color = vec4(0.0, 0.0, 0.0, 0.0);\n vec4 tValue;\n vec4 tColor;\n\n // if we have less than one step then pick the middle point\n // as our value\n // if (raySteps <= 1.0)\n // {\n // posIS = (posIS + endIS)*0.5;\n // }\n\n // Perform initial step at the volume boundary\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n #if vtkBlendMode == 0 // COMPOSITE_BLEND\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n\n // handle very thin volumes\n if (raySteps <= 1.0)\n {\n tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps);\n gl_FragData[0] = tColor;\n return;\n }\n\n tColor.a = 1.0 - pow(1.0 - tColor.a, jitter);\n color = vec4(tColor.rgb*tColor.a, tColor.a);\n posIS += (jitter*stepIS);\n\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n\n float mix = (1.0 - color.a);\n\n // this line should not be needed but nvidia seems to not handle\n // the break correctly on windows/chrome 58 angle\n //mix = mix * sign(max(raySteps - stepsTraveled - 1.0, 0.0));\n\n color = color + vec4(tColor.rgb*tColor.a, tColor.a)*mix;\n stepsTraveled++;\n posIS += stepIS;\n if (color.a > 0.99) { color.a = 1.0; break; }\n }\n\n if (color.a < 0.99 && (raySteps - stepsTraveled) > 0.0)\n {\n posIS = endIS;\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps - stepsTraveled);\n\n float mix = (1.0 - color.a);\n color = color + vec4(tColor.rgb*tColor.a, tColor.a)*mix;\n }\n\n gl_FragData[0] = vec4(color.rgb/color.a, color.a);\n #endif\n #if vtkBlendMode == 1 || vtkBlendMode == 2\n // MAXIMUM_INTENSITY_BLEND || MINIMUM_INTENSITY_BLEND\n // Find maximum/minimum intensity along the ray.\n\n // Define the operation we will use (min or max)\n #if vtkBlendMode == 1\n #define OP max\n #else\n #define OP min\n #endif\n\n // If the clipping range is shorter than the sample distance\n // we can skip the sampling loop along the ray.\n if (raySteps <= 1.0)\n {\n gl_FragData[0] = getColorForValue(tValue, posIS, tstep);\n return;\n }\n\n vec4 value = tValue;\n posIS += (jitter*stepIS);\n\n // Sample along the ray until MaximumSamplesValue,\n // ending slightly inside the total distance\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n // If we have reached the last step, break\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // Update the maximum value if necessary\n value = OP(tValue, value);\n\n // Otherwise, continue along the ray\n stepsTraveled++;\n posIS += stepIS;\n }\n\n // Perform the last step along the ray using the\n // residual distance\n posIS = endIS;\n tValue = getTextureValue(posIS);\n value = OP(tValue, value);\n\n // Now map through opacity and color\n gl_FragData[0] = getColorForValue(value, posIS, tstep);\n #endif\n #if vtkBlendMode == 3 || vtkBlendMode == 4 //AVERAGE_INTENSITY_BLEND || ADDITIVE_BLEND\n vec4 sum = vec4(0.);\n\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n sum += tValue;\n }\n\n if (raySteps <= 1.0) {\n gl_FragData[0] = getColorForValue(sum, posIS, tstep);\n return;\n }\n\n posIS += (jitter*stepIS);\n\n // Sample along the ray until MaximumSamplesValue,\n // ending slightly inside the total distance\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n // If we have reached the last step, break\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // One can control the scalar range by setting the AverageIPScalarRange to disregard scalar values, not in the range of interest, from the average computation.\n // Notes:\n // - We are comparing all values in the texture to see if any of them\n // are outside of the scalar range. In the future we might want to allow\n // scalar ranges for each component.\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n // Sum the values across each step in the path\n sum += tValue;\n }\n stepsTraveled++;\n posIS += stepIS;\n }\n\n // Perform the last step along the ray using the\n // residual distance\n posIS = endIS;\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // One can control the scalar range by setting the IPScalarRange to disregard scalar values, not in the range of interest, from the average computation\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n sum += tValue;\n\n stepsTraveled++;\n }\n\n #if vtkBlendMode == 3 // Average\n sum /= vec4(stepsTraveled, stepsTraveled, stepsTraveled, 1.0);\n #endif\n\n gl_FragData[0] = getColorForValue(sum, posIS, tstep);\n #endif\n #if vtkBlendMode == 5 // RADON\n float normalizedRayIntensity = 1.0;\n\n // handle very thin volumes\n if (raySteps <= 1.0)\n {\n tValue = getTextureValue(posIS);\n normalizedRayIntensity = normalizedRayIntensity - sampleDistance*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n gl_FragData[0] = texture2D(ctexture, vec2(normalizedRayIntensity, 0.5));\n return;\n }\n\n posIS += (jitter*stepIS);\n\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar value\n tValue = getTextureValue(posIS);\n\n // Convert scalar value to normalizedRayIntensity coefficient and accumulate normalizedRayIntensity\n normalizedRayIntensity = normalizedRayIntensity - sampleDistance*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n\n posIS += stepIS;\n stepsTraveled++;\n }\n\n // map normalizedRayIntensity to color\n gl_FragData[0] = texture2D(ctexture, vec2(normalizedRayIntensity , 0.5));\n\n #endif\n}\n\n//=======================================================================\n// Compute a new start and end point for a given ray based\n// on the provided bounded clipping plane (aka a rectangle)\nvoid getRayPointIntersectionBounds(\n vec3 rayPos, vec3 rayDir,\n vec3 planeDir, float planeDist,\n inout vec2 tbounds, vec3 vPlaneX, vec3 vPlaneY,\n float vSize1, float vSize2)\n{\n float result = dot(rayDir, planeDir);\n if (abs(result) < 1e-6)\n {\n return;\n }\n result = -1.0 * (dot(rayPos, planeDir) + planeDist) / result;\n vec3 xposVC = rayPos + rayDir*result;\n vec3 vxpos = xposVC - vOriginVC;\n vec2 vpos = vec2(\n dot(vxpos, vPlaneX),\n dot(vxpos, vPlaneY));\n\n // on some apple nvidia systems this does not work\n // if (vpos.x < 0.0 || vpos.x > vSize1 ||\n // vpos.y < 0.0 || vpos.y > vSize2)\n // even just\n // if (vpos.x < 0.0 || vpos.y < 0.0)\n // fails\n // so instead we compute a value that represents in and out\n //and then compute the return using this value\n float xcheck = max(0.0, vpos.x * (vpos.x - vSize1)); // 0 means in bounds\n float check = sign(max(xcheck, vpos.y * (vpos.y - vSize2))); // 0 means in bounds, 1 = out\n\n tbounds = mix(\n vec2(min(tbounds.x, result), max(tbounds.y, result)), // in value\n tbounds, // out value\n check); // 0 in 1 out\n}\n\n//=======================================================================\n// given a\n// - ray direction (rayDir)\n// - starting point (vertexVCVSOutput)\n// - bounding planes of the volume\n// - optionally depth buffer values\n// - far clipping plane\n// compute the start/end distances of the ray we need to cast\nvec2 computeRayDistances(vec3 rayDir, vec3 tdims)\n{\n vec2 dists = vec2(100.0*camFar, -1.0);\n\n vec3 vSize = vSpacing*tdims;\n\n // all this is in View Coordinates\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal0, vPlaneDistance0, dists, vPlaneNormal2, vPlaneNormal4,\n vSize.y, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal1, vPlaneDistance1, dists, vPlaneNormal2, vPlaneNormal4,\n vSize.y, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal2, vPlaneDistance2, dists, vPlaneNormal0, vPlaneNormal4,\n vSize.x, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal3, vPlaneDistance3, dists, vPlaneNormal0, vPlaneNormal4,\n vSize.x, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal4, vPlaneDistance4, dists, vPlaneNormal0, vPlaneNormal2,\n vSize.x, vSize.y);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal5, vPlaneDistance5, dists, vPlaneNormal0, vPlaneNormal2,\n vSize.x, vSize.y);\n\n //VTK::ClipPlane::Impl\n\n // do not go behind front clipping plane\n dists.x = max(0.0,dists.x);\n\n // do not go PAST far clipping plane\n float farDist = -camThick/rayDir.z;\n dists.y = min(farDist,dists.y);\n\n // Do not go past the zbuffer value if set\n // This is used for intermixing opaque geometry\n //VTK::ZBuffer::Impl\n\n return dists;\n}\n\n//=======================================================================\n// Compute the index space starting position (pos) and end\n// position\n//\nvoid computeIndexSpaceValues(out vec3 pos, out vec3 endPos, vec3 rayDir, vec2 dists)\n{\n // compute starting and ending values in volume space\n pos = vertexVCVSOutput + dists.x*rayDir;\n pos = pos - vOriginVC;\n // convert to volume basis and origin\n pos = vec3(\n dot(pos, vPlaneNormal0),\n dot(pos, vPlaneNormal2),\n dot(pos, vPlaneNormal4));\n\n endPos = vertexVCVSOutput + dists.y*rayDir;\n endPos = endPos - vOriginVC;\n endPos = vec3(\n dot(endPos, vPlaneNormal0),\n dot(endPos, vPlaneNormal2),\n dot(endPos, vPlaneNormal4));\n\n float delta = length(endPos - pos);\n\n pos *= vVCToIJK;\n endPos *= vVCToIJK;\n\n float delta2 = length(endPos - pos);\n sampleDistanceIS = sampleDistance*delta2/delta;\n #ifdef VolumeShadowOn\n sampleDistanceISVS = sampleDistanceIS * volumeShadowSamplingDistFactor;\n #endif\n}\n\nvoid main()\n{\n\n if (cameraParallel == 1)\n {\n // Camera is parallel, so the rayDir is just the direction of the camera.\n rayDirVC = vec3(0.0, 0.0, -1.0);\n } else {\n // camera is at 0,0,0 so rayDir for perspective is just the vc coord\n rayDirVC = normalize(vertexVCVSOutput);\n }\n\n vec3 tdims = vec3(volumeDimensions);\n\n // compute the start and end points for the ray\n vec2 rayStartEndDistancesVC = computeRayDistances(rayDirVC, tdims);\n\n // do we need to composite? aka does the ray have any length\n // If not, bail out early\n if (rayStartEndDistancesVC.y <= rayStartEndDistancesVC.x)\n {\n discard;\n }\n\n // IS = Index Space\n vec3 posIS;\n vec3 endIS;\n computeIndexSpaceValues(posIS, endIS, rayDirVC, rayStartEndDistancesVC);\n\n // Perform the blending operation along the ray\n applyBlend(posIS, endIS, tdims);\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let a=n.Fragment;o.getProperty().getInterpolationType()===Rg&&(a=dd.substitute(a,"//VTK::TrilinearOn","#define vtkTrilinearOn").result),!0===o.getProperty().getUseLabelOutline()&&(a=dd.substitute(a,"//VTK::ImageLabelOutlineOn","#define vtkImageLabelOutlineOn").result);const i=t.scalarTexture.getComponents();a=dd.substitute(a,"//VTK::NumComponents",`#define vtkNumComponents ${i}`).result;const s=o.getProperty().getIndependentComponents();if(s){a=dd.substitute(a,"//VTK::IndependentComponentsOn","#define vtkIndependentComponentsOn").result;const e=[];for(let t=0;t0&&(a=dd.substitute(a,"//VTK::vtkProportionalComponents",e.join("\n")).result)}const l=t.currentInput.getSpatialExtent(),c=t.currentInput.getSpacing(),u=new Float64Array(3);An(u,(l[1]-l[0])*c[0],(l[3]-l[2])*c[1],(l[5]-l[4])*c[2]);const d=Sn(u)/e.getCurrentSampleDistance(r);a=dd.substitute(a,"//VTK::MaximumSamplesValue",`${Math.ceil(d)}`).result,a=dd.substitute(a,"//VTK::LightComplexity",`#define vtkLightComplexity ${t.lastLightComplexity}`).result,t.lastLightComplexity>0&&(t.renderable.getVolumetricScatteringBlending()>0&&(a=dd.substitute(a,"//VTK::VolumeShadowOn","#define VolumeShadowOn").result),t.renderable.getVolumetricScatteringBlending()<1&&(a=dd.substitute(a,"//VTK::SurfaceShadowOn","#define SurfaceShadowOn").result),t.renderable.getLocalAmbientOcclusion()&&o.getProperty().getAmbient()>0&&(a=dd.substitute(a,"//VTK::localAmbientOcclusionOn","#define localAmbientOcclusionOn").result)),t.gopacity=o.getProperty().getUseGradientOpacity(0);for(let e=1;s&&!t.gopacity&&e{if(0===t.lastLightComplexity)return;let o=e.Fragment,a=0;n.getLights().forEach((e=>{e.getSwitch()&&(a+=1)})),o=dd.substitute(o,"//VTK::Light::Dec",["uniform int lightNum;","uniform bool twoSidedLighting;",`uniform vec3 lightColor[${a}];`,`uniform vec3 lightDirectionVC[${a}]; // normalized`,`uniform vec3 lightHalfAngleVC[${a}];`,"//VTK::Light::Dec"],!1).result,3===t.lastLightComplexity&&(o=dd.substitute(o,"//VTK::Light::Dec",[`uniform vec3 lightPositionVC[${a}];`,`uniform vec3 lightAttenuation[${a}];`,`uniform float lightConeAngle[${a}];`,`uniform float lightExponent[${a}];`,`uniform int lightPositional[${a}];`],!1).result),t.renderable.getVolumetricScatteringBlending()>0&&(o=dd.substitute(o,"//VTK::VolumeShadow::Dec",["uniform float volumetricScatteringBlending;","uniform float giReach;","uniform float volumeShadowSamplingDistFactor;","uniform float anisotropy;","uniform float anisotropy2;"],!1).result),t.renderable.getLocalAmbientOcclusion()&&r.getProperty().getAmbient()>0&&(o=dd.substitute(o,"//VTK::LAO::Dec",["uniform int kernelRadius;",`uniform vec2 kernelSample[${t.renderable.getLAOKernelRadius()}];`,"uniform int kernelSize;"],!1).result),e.Fragment=o},e.replaceShaderClippingPlane=(e,n,r)=>{let o=e.Fragment;if(t.renderable.getClippingPlanes().length>0){const e=t.renderable.getClippingPlanes().length;o=dd.substitute(o,"//VTK::ClipPlane::Dec",["uniform vec3 vClipPlaneNormals[6];","uniform float vClipPlaneDistances[6];","uniform vec3 vClipPlaneOrigins[6];","uniform int clip_numPlanes;","//VTK::ClipPlane::Dec","#define vtkClippingPlanesOn"],!1).result,o=dd.substitute(o,"//VTK::ClipPlane::Impl",[`for(int i = 0; i < ${e}; i++) {`," float rayDirRatio = dot(rayDir, vClipPlaneNormals[i]);"," float equationResult = dot(vertexVCVSOutput, vClipPlaneNormals[i]) + vClipPlaneDistances[i];"," if (rayDirRatio == 0.0)"," {"," if (equationResult < 0.0) dists.x = dists.y;"," continue;"," }"," float result = -1.0 * equationResult / rayDirRatio;"," if (rayDirRatio < 0.0) dists.y = min(dists.y, result);"," else dists.x = max(dists.x, result);","}","//VTK::ClipPlane::Impl"],!1).result}e.Fragment=o},e.getNeedToRebuildShaders=(n,r,o)=>{let a=0;o.getProperty().getShade()&&t.renderable.getBlendMode()===Eg&&(a=0,t.numberOfLights=0,r.getLights().forEach((e=>{e.getSwitch()>0&&(t.numberOfLights++,0===a&&(a=1)),1===a&&(t.numberOfLights>1||1!==e.getIntensity()||!e.lightTypeIsHeadLight())&&(a=2),a<3&&e.getPositional()&&(a=3)})));let i=!1;t.lastLightComplexity!==a&&(t.lastLightComplexity=a,i=!0);const s=t.scalarTexture.getComponents(),l=o.getProperty().getIndependentComponents();let c=!1;const u=[];if(l){for(let e=0;e0&&(c=!0)}const d=t.currentInput.getSpatialExtent(),p=t.currentInput.getSpacing(),f=new Float64Array(3);An(f,(d[1]-d[0])*p[0],(d[3]-d[2])*p[1],(d[5]-d[4])*p[2]);const g=Sn(f)/e.getCurrentSampleDistance(r),m={interpolationType:o.getProperty().getInterpolationType(),useLabelOutline:o.getProperty().getUseLabelOutline(),numComp:s,usesProportionalComponents:c,iComps:l,maxSamples:g,useGradientOpacity:o.getProperty().getUseGradientOpacity(0),blendMode:t.renderable.getBlendMode(),proportionalComponents:u};return t.previousState&&t.previousState.interpolationType===m.interpolationType&&t.previousState.useLabelOutline===m.useLabelOutline&&t.previousState.numComp===m.numComp&&t.previousState.usesProportionalComponents===m.usesProportionalComponents&&t.previousState.iComps===m.iComps&&t.previousState.maxSamples===m.maxSamples&&t.previousState.useGradientOpacity===m.useGradientOpacity&&t.previousState.blendMode===m.blendMode&&function(e,t){if(e.length!==t.length)return!1;for(let n=0;n{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(a,r,o);const i=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==n.getProgram()&&(n.setProgram(i),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o),e.getClippingPlaneShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const a=n.getProgram();n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(a.isAttributeUsed("vertexDC")&&(n.getVAO().addAttributeArray(a,n.getCABO(),"vertexDC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Fg("Error setting vertexDC in shader VAO.")),n.getAttributeUpdateTime().modified()),a.setUniformi("texture1",t.scalarTexture.getTextureUnit()),a.setUniformf("sampleDistance",e.getCurrentSampleDistance(r));const i=t.scalarTexture.getVolumeInfo(),s=t.renderable.getIpScalarRange(),l=[],c=[];for(let e=0;e<4;e++)l[e]=s[0]*i.dataComputedScale[e]+i.dataComputedOffset[e],c[e]=s[1]*i.dataComputedScale[e]+i.dataComputedOffset[e],l[e]=(l[e]-i.offset[e])/i.scale[e],c[e]=(c[e]-i.offset[e])/i.scale[e];if(a.setUniform4f("ipScalarRangeMin",l[0],l[1],l[2],l[3]),a.setUniform4f("ipScalarRangeMax",c[0],c[1],c[2],c[3]),null!==t.zBufferTexture){a.setUniformi("zBufferTexture",t.zBufferTexture.getTextureUnit());const e=t._useSmallViewport?[t._smallViewportWidth,t._smallViewportHeight]:t._openGLRenderWindow.getFramebufferSize();a.setUniformf("vpZWidth",e[0]),a.setUniformf("vpZHeight",e[1])}},e.setCameraShaderParameters=(n,r,o)=>{const a=t.openGLCamera.getKeyMatrices(r),i=t.openGLVolume.getKeyMatrices();b(t.modelToView,a.wcvc,i.mcwc);const s=n.getProgram(),l=t.openGLCamera.getRenderable(),c=l.getClippingRange();s.setUniformf("camThick",c[1]-c[0]),s.setUniformf("camNear",c[0]),s.setUniformf("camFar",c[1]);const u=t.currentInput.getBounds(),d=t.currentInput.getDimensions(),p=new Float64Array(3),f=new Float64Array(3);let g=1,m=-1,v=1,y=-1;for(let e=0;e<8;++e)An(p,u[e%2],u[2+Math.floor(e/2)%2],u[4+Math.floor(e/4)]),Dn(p,p,t.modelToView),l.getParallelProjection()||(Rn(f,p),On(p,f,-c[0]/p[2])),Dn(p,p,a.vcpc),g=Math.min(p[0],g),m=Math.max(p[0],m),v=Math.min(p[1],v),y=Math.max(p[1],y);s.setUniformf("dcxmin",g),s.setUniformf("dcxmax",m),s.setUniformf("dcymin",v),s.setUniformf("dcymax",y),s.isUniformUsed("cameraParallel")&&s.setUniformi("cameraParallel",l.getParallelProjection());const x=t.currentInput.getSpatialExtent(),T=t.currentInput.getSpacing(),C=new Float64Array(3);An(C,(x[1]-x[0])*T[0],(x[3]-x[2])*T[1],(x[5]-x[4])*T[2]),s.setUniform3f("vSpacing",T[0],T[1],T[2]),An(p,x[0],x[2],x[4]),t.currentInput.indexToWorldVec3(p,p),Dn(p,p,t.modelToView),s.setUniform3f("vOriginVC",p[0],p[1],p[2]);const S=t.currentInput.getIndexToWorld();b(t.idxToView,t.modelToView,S),ve(t.idxNormalMatrix,a.normalMatrix,i.normalMatrix),ve(t.idxNormalMatrix,t.idxNormalMatrix,t.currentInput.getDirectionByReference());const P=Sn(C)/e.getCurrentSampleDistance(r);P>t.renderable.getMaximumSamplesPerRay()&&kg(`The number of steps required ${Math.ceil(P)} is larger than the\n specified maximum number of steps ${t.renderable.getMaximumSamplesPerRay()}.\n Please either change the\n volumeMapper sampleDistance or its maximum number of samples.`);const A=new Float64Array(3);if(An(A,1,1,1),function(e,t,n){e[0]=t[0]/n[0],e[1]=t[1]/n[1],e[2]=t[2]/n[2]}(A,A,C),s.setUniform3f("vVCToIJK",A[0],A[1],A[2]),s.setUniform3i("volumeDimensions",d[0],d[1],d[2]),!t._openGLRenderWindow.getWebgl2()){const e=t.scalarTexture.getVolumeInfo();s.setUniformf("texWidth",t.scalarTexture.getWidth()),s.setUniformf("texHeight",t.scalarTexture.getHeight()),s.setUniformi("xreps",e.xreps),s.setUniformi("xstride",e.xstride),s.setUniformi("ystride",e.ystride)}const I=new Float64Array(3),w=new Float64Array(3);for(let e=0;e<6;++e){switch(e){case 1:An(I,-1,0,0),An(w,x[0],x[2],x[4]);break;case 2:An(I,0,1,0),An(w,x[1],x[3],x[5]);break;case 3:An(I,0,-1,0),An(w,x[0],x[2],x[4]);break;case 4:An(I,0,0,1),An(w,x[1],x[3],x[5]);break;case 5:An(I,0,0,-1),An(w,x[0],x[2],x[4]);break;default:An(I,1,0,0),An(w,x[1],x[3],x[5])}Ln(I,I,t.idxNormalMatrix),Dn(w,w,t.idxToView);const n=-1*Vn(w,I);s.setUniform3f(`vPlaneNormal${e}`,I[0],I[1],I[2]),s.setUniformf(`vPlaneDistance${e}`,n)}if(o.getProperty().getUseLabelOutline()){const n=t.currentInput.getWorldToIndex();s.setUniformMatrix("vWCtoIDX",n);const o=r.getActiveCamera(),[a,i]=o.getClippingRange(),l=o.getDistance();o.setClippingRange(l,l+.1);const c=t.openGLCamera.getKeyMatrices(r);h(t.projectionToWorld,c.wcpc),o.setClippingRange(a,i),t.openGLCamera.getKeyMatrices(r),s.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const u=e.getRenderTargetSize();s.setUniformf("vpWidth",u[0]),s.setUniformf("vpHeight",u[1]);const d=e.getRenderTargetOffset();s.setUniformf("vpOffsetX",d[0]/u[0]),s.setUniformf("vpOffsetY",d[1]/u[1])}if(h(t.projectionToView,a.vcpc),s.setUniformMatrix("PCVCMatrix",t.projectionToView),0===t.lastLightComplexity)return;let O=0;const M=[],R=[],V=[];if(r.getLights().forEach((e=>{if(e.getSwitch()>0){const t=e.getColor(),n=e.getIntensity();M[0+3*O]=t[0]*n,M[1+3*O]=t[1]*n,M[2+3*O]=t[2]*n;const r=e.getDirection();An(I,r[0],r[1],r[2]),Ln(I,I,a.normalMatrix),Rn(I,I),R[0+3*O]=I[0],R[1+3*O]=I[1],R[2+3*O]=I[2],V[0+3*O]=-.5*I[0],V[1+3*O]=-.5*I[1],V[2+3*O]=-.5*(I[2]-1),O++}})),s.setUniformi("twoSidedLighting",r.getTwoSidedLighting()),s.setUniformi("lightNum",O),s.setUniform3fv("lightColor",M),s.setUniform3fv("lightDirectionVC",R),s.setUniform3fv("lightHalfAngleVC",V),3===t.lastLightComplexity){O=0;const e=[],n=[],o=[],a=[],i=[];r.getLights().forEach((r=>{if(r.getSwitch()>0){const s=r.getAttenuationValues();n[0+3*O]=s[0],n[1+3*O]=s[1],n[2+3*O]=s[2],a[O]=r.getExponent(),o[O]=r.getConeAngle(),i[O]=r.getPositional();const l=r.getTransformedPosition();Dn(l,l,t.modelToView),e[0+3*O]=l[0],e[1+3*O]=l[1],e[2+3*O]=l[2],O+=1}})),s.setUniform3fv("lightPositionVC",e),s.setUniform3fv("lightAttenuation",n),s.setUniformfv("lightConeAngle",o),s.setUniformfv("lightExponent",a),s.setUniformiv("lightPositional",i)}if(t.renderable.getVolumetricScatteringBlending()>0&&(s.setUniformf("giReach",t.renderable.getGlobalIlluminationReach()),s.setUniformf("volumetricScatteringBlending",t.renderable.getVolumetricScatteringBlending()),s.setUniformf("volumeShadowSamplingDistFactor",t.renderable.getVolumeShadowSamplingDistFactor()),s.setUniformf("anisotropy",t.renderable.getAnisotropy()),s.setUniformf("anisotropy2",t.renderable.getAnisotropy()**2)),t.renderable.getLocalAmbientOcclusion()&&o.getProperty().getAmbient()>0){const e=t.renderable.getLAOKernelSize();s.setUniformi("kernelSize",e);const n=[];for(let t=0;t{const o=e.getProgram();o.setUniformi("ctexture",t.colorTexture.getTextureUnit()),o.setUniformi("otexture",t.opacityTexture.getTextureUnit()),o.setUniformi("jtexture",t.jitterTexture.getTextureUnit()),o.setUniformi("ttexture",t.labelOutlineThicknessTexture.getTextureUnit());const a=t.scalarTexture.getVolumeInfo(),i=r.getProperty(),s=t.scalarTexture.getComponents(),l=r.getProperty().getIndependentComponents();if(l&&s>=2)for(let e=0;e0&&(o.setUniformf("vAmbient",i.getAmbient()),o.setUniformf("vDiffuse",i.getDiffuse()),o.setUniformf("vSpecular",i.getSpecular()),o.setUniformf("vSpecularPower",i.getSpecularPower()))},e.getClippingPlaneShaderParameters=(e,n,r)=>{if(t.renderable.getClippingPlanes().length>0){const r=t.openGLCamera.getKeyMatrices(n),o=[],a=[],i=[],s=t.renderable.getClippingPlanes(),l=s.length;for(let e=0;e{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.getRenderTargetSize=()=>{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getCurrentSampleDistance=e=>{const n=e.getVTKWindow().getInteractor(),r=t.renderable.getSampleDistance();return n.isAnimating()?r*t.renderable.getInteractionSampleDistanceFactor():r},e.renderPieceStart=(n,r)=>{const o=n.getVTKWindow().getInteractor();if(t._lastScale||(t._lastScale=t.renderable.getInitialInteractionScale()),t._useSmallViewport=!1,o.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._animationRateSubscription||(t._animationRateSubscription=o.onAnimationFrameRateUpdate((()=>{if(t.renderable.getAutoAdjustSampleDistances()){const e=o.getRecentAnimationFrameRate(),n=o.getDesiredUpdateRate()/e;(n>1.15||n<.85)&&(t._lastScale*=n),t._lastScale>400&&(t._lastScale=400),t._lastScale<1.5&&(t._lastScale=1.5)}else t._lastScale=t.renderable.getImageSampleDistance()*t.renderable.getImageSampleDistance()}))),t._useSmallViewport){const e=t._openGLRenderWindow.getFramebufferSize(),n=1/Math.sqrt(t._lastScale);if(t._smallViewportWidth=Math.ceil(n*e[0]),t._smallViewportHeight=Math.ceil(n*e[1]),t._smallViewportHeight>e[1]&&(t._smallViewportHeight=e[1]),t._smallViewportWidth>e[0]&&(t._smallViewportWidth=e[0]),t.framebuffer.saveCurrentBindingsAndBuffers(),null===t.framebuffer.getGLFramebuffer())t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer();else{const n=t.framebuffer.getSize();n[0]===e[0]&&n[1]===e[1]||(t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer())}t.framebuffer.bind();const r=t.context;r.clearColor(0,0,0,0),r.colorMask(!0,!0,!0,!0),r.clear(r.COLOR_BUFFER_BIT),r.viewport(0,0,t._smallViewportWidth,t._smallViewportHeight),t.fvp=[t._smallViewportWidth/e[0],t._smallViewportHeight/e[1]]}t.context.disable(t.context.DEPTH_TEST),e.updateBufferObjects(n,r),r.getProperty().getInterpolationType()===Mg?(t.scalarTexture.setMinificationFilter(Cd.NEAREST),t.scalarTexture.setMagnificationFilter(Cd.NEAREST)):(t.scalarTexture.setMinificationFilter(Cd.LINEAR),t.scalarTexture.setMagnificationFilter(Cd.LINEAR)),t.lastBoundBO=null,null!==t.zBufferTexture&&t.zBufferTexture.activate()},e.renderPieceDraw=(n,r)=>{const o=t.context;t.scalarTexture.activate(),t.opacityTexture.activate(),t.labelOutlineThicknessTexture.activate(),t.colorTexture.activate(),t.jitterTexture.activate(),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.scalarTexture.deactivate(),t.colorTexture.deactivate(),t.opacityTexture.deactivate(),t.labelOutlineThicknessTexture.deactivate(),t.jitterTexture.deactivate()},e.renderPieceFinish=(e,n)=>{if(null!==t.zBufferTexture&&t.zBufferTexture.deactivate(),t._useSmallViewport){if(t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader){t.copyShader=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","uniform vec2 tfactor;","varying vec2 tcoord;","void main() { tcoord = vec2(vertexDC.x*0.5 + 0.5, vertexDC.y*0.5 + 0.5) * tfactor; gl_Position = vertexDC; }"].join("\n"),["//VTK::System::Dec","//VTK::Output::Dec","uniform sampler2D texture1;","varying vec2 tcoord;","void main() { gl_FragData[0] = texture2D(texture1,tcoord); }"].join("\n"),"");const e=t.copyShader;t.copyVAO=md.newInstance(),t.copyVAO.setOpenGLRenderWindow(t._openGLRenderWindow),t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(e,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Fg("Error setting vertexDC in copy shader VAO.")}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(t.copyShader);const e=t._openGLRenderWindow.getFramebufferSize();t.context.viewport(0,0,e[0],e[1]);const n=t.framebuffer.getColorTexture();n.activate(),t.copyShader.setUniformi("texture",n.getTextureUnit()),t.copyShader.setUniform2f("tfactor",t.fvp[0],t.fvp[1]);const r=t.context;r.blendFuncSeparate(r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA),t.context.drawArrays(t.context.TRIANGLES,0,t.tris.getCABO().getElementCount()),n.deactivate(),r.blendFuncSeparate(r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):Fg("No input!")},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():wa(t.Bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const o=t.currentInput;if(!o)return;const a=o.getPointData()&&o.getPointData().getScalars();if(!a)return;t._scalars!==a&&(t._openGLRenderWindow.releaseGraphicsResourcesForObject(t._scalars),t._scalars=a);const i=r.getProperty();if(!t.jitterTexture.getHandle()){const e=new Uint8Array(1024);for(let t=0;t<1024;++t)e[t]=255*Math.random();t.jitterTexture.setMinificationFilter(Cd.LINEAR),t.jitterTexture.setMagnificationFilter(Cd.LINEAR),t.jitterTexture.create2DFromRaw(32,32,1,ys.UNSIGNED_CHAR,e)}const s=a.getNumberOfComponents(),l=i.getIndependentComponents()?s:1,c=i.getScalarOpacity(),u=t._openGLRenderWindow.getGraphicsResourceForObject(c);let d=_g(i,c,l);if(u.vtkObj&&u.hash===d&&t.opacityTextureString===d)t.opacityTexture=u.vtkObj,t.opacityTextureString=u.hash;else{const r=1024,o=2*r*l,a=new Float32Array(o),s=new Float32Array(r);for(let t=0;t1?1:-1,e[3*t+2]=-1;const n=new Uint16Array(8);n[0]=3,n[1]=0,n[2]=1,n[3]=3,n[4]=3,n[5]=0,n[6]=3,n[7]=2;const r=Es.newInstance({numberOfComponents:3,values:e});r.setName("points");const o=Es.newInstance({numberOfComponents:1,values:n});t.tris.getCABO().createVBO(o,"polys",rs.SURFACE,{points:r,cellOffset:0})}t.VBOBuildTime.modified()},e.updateLabelOutlineThicknessTexture=e=>{const n=e.getProperty().getLabelOutlineThickness(),r=t._openGLRenderWindow.getGraphicsResourceForObject(n),o=`${n.join("-")}`;if(r?.vtkObj&&r?.hash===o&&t.labelOutlineThicknessTextureString===o)t.labelOutlineThicknessTexture=r.vtkObj,t.labelOutlineThicknessTextureString=r.hash;else{const e=1024,r=1,a=new Uint8Array(e*r);for(let t=0;t2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ug,n),Zt.extend(e,t,n),t.VBOBuildTime={},yt(t.VBOBuildTime,{mtime:0}),t.tris=xd.newInstance(),t.scalarTexture=Fd.newInstance(),t.opacityTexture=Fd.newInstance(),t.colorTexture=Fd.newInstance(),t.jitterTexture=Fd.newInstance(),t.jitterTexture.setWrapS(Td.REPEAT),t.jitterTexture.setWrapT(Td.REPEAT),t.labelOutlineThicknessTexture=Fd.newInstance(),t.framebuffer=$p.newInstance(),t.idxToView=g(new Float64Array(16)),t.idxNormalMatrix=pe(new Float64Array(9)),t.modelToView=g(new Float64Array(16)),t.projectionToView=g(new Float64Array(16)),t.projectionToWorld=g(new Float64Array(16)),Pt(e,t,["context"]),Gg(e,t)}),"vtkOpenGLVolumeMapper");rn("vtkVolumeMapper",zg);const{vtkDebugMacro:Wg}=Kt;function Hg(e,t){t.classHierarchy.push("vtkOpenGLPixelSpaceCallbackMapper"),e.opaquePass=(n,r)=>{t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent();const o=t._openGLRenderer.getAspectRatio(),a=t._openGLRenderer?t._openGLRenderer.getRenderable().getActiveCamera():null,i=t._openGLRenderer.getTiledSizeAndOrigin();let s=null;if(t.renderable.getUseZValues()){const e=r.getZBufferTexture(),n=Math.floor(e.getWidth()),o=Math.floor(e.getHeight()),a=t._openGLRenderWindow.getContext();e.bind();const i=r.getFramebuffer();i?i.saveCurrentBindingsAndBuffers():Wg("No framebuffer to save/restore");const l=a.createFramebuffer();a.bindFramebuffer(a.FRAMEBUFFER,l),a.framebufferTexture2D(a.FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,e.getHandle(),0),a.checkFramebufferStatus(a.FRAMEBUFFER)===a.FRAMEBUFFER_COMPLETE&&(s=new Uint8Array(n*o*4),a.viewport(0,0,n,o),a.readPixels(0,0,n,o,a.RGBA,a.UNSIGNED_BYTE,s)),i&&i.restorePreviousBindingsAndBuffers(),a.deleteFramebuffer(l)}t.renderable.invokeCallback(t.renderable.getInputData(),a,o,i,s)},e.queryPass=(e,n)=>{e&&t.renderable.getUseZValues()&&n.requestDepth()}}const jg={};const Kg=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,jg,n),Zt.extend(e,t,n),Hg(e,t)}),"vtkOpenGLPixelSpaceCallbackMapper");rn("vtkPixelSpaceCallbackMapper",Kg);var $g="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtktextureObjectVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexDC;\nattribute vec2 tcoordDC;\nvarying vec2 tcoordVC;\n\nvoid main()\n{\n tcoordVC = tcoordDC;\n gl_Position = vertexDC;\n}\n";const{Representation:qg}=ds;function Xg(e,t,n,r){let[o,a]=t;const i=e.getContext(),s=Fd.newInstance({autoParameters:!1,wrapS:r,wrapT:r,minificationFilter:n,magnificationFilter:n,generateMipmap:!1,openGLDataType:i.FLOAT,baseLevel:0,maxLevel:0});return s.setOpenGLRenderWindow(e),s.setInternalFormat(i.RGBA32F),s.create2DFromRaw(o,a,4,"Float32Array",null),s.activate(),s.sendParameters(),s.deactivate(),s}function Yg(e,t){return Xg(e,t,Fd.Filter.NEAREST,Fd.Wrap.CLAMP_TO_EDGE)}function Zg(e,t){t.classHierarchy.push("vtkLICPingPongBufferManager"),t._openGLRenderWindow?(t.quad=function(e){const t=xd.newInstance();t.setOpenGLRenderWindow(e);const n=new Float32Array(12);for(let e=0;e<4;e++)n[3*e]=e%2*2-1,n[3*e+1]=e>1?1:-1,n[3*e+2]=0;const r=new Float32Array([0,0,1,0,0,1,1,1]),o=new Uint16Array(8);o[0]=3,o[1]=0,o[2]=1,o[3]=3,o[4]=3,o[5]=0,o[6]=3,o[7]=2;const a=Es.newInstance({numberOfComponents:3,values:n});a.setName("points");const i=Es.newInstance({numberOfComponents:1,values:o}),s=Es.newInstance({numberOfComponents:2,values:r});return t.getCABO().createVBO(i,"polys",qg.SURFACE,{points:a,cellOffset:0,tcoords:s}),t}(t._openGLRenderWindow),t.context=t._openGLRenderWindow.getContext(),t.licTexture0=Yg(t._openGLRenderWindow,t.size),t.seedTexture0=Yg(t._openGLRenderWindow,t.size),t.licTexture1=Yg(t._openGLRenderWindow,t.size),t.seedTexture1=Yg(t._openGLRenderWindow,t.size),t.eeTexture=t.doEEPass?Xg(t._openGLRenderWindow,t.size,Fd.Filter.NEAREST,Fd.Wrap.CLAMP_TO_EDGE):null,t.imageVectorTexture=t.doVTPass?function(e,t){return Xg(e,t,Fd.Filter.LINEAR,Fd.Wrap.CLAMP_TO_EDGE)}(t._openGLRenderWindow,t.size):null,t.pingTextures[0]=t.licTexture0,t.pingTextures[1]=t.seedTexture0,t.pongTextures[0]=t.licTexture1,t.pongTextures[1]=t.seedTexture1,t.textures[0]=t.pingTextures,t.textures[1]=t.pongTextures,e.swap=()=>{t.readIndex=1-t.readIndex},e.renderQuad=(e,n)=>{const r=t.quad,o=t.context;let a=t.quadVAO;a||(a=md.newInstance(),a.setOpenGLRenderWindow(t._openGLRenderWindow),t.quadVAO=a),t.previousProgramHash!==n.getMd5Hash()&&(a.shaderProgramChanged(),r.getCABO().bind(),a.addAttributeArray(n,r.getCABO(),"vertexDC",r.getCABO().getVertexOffset(),r.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE),a.addAttributeArray(n,r.getCABO(),"tcoordDC",r.getCABO().getTCoordOffset(),r.getCABO().getStride(),t.context.FLOAT,2,t.context.FALSE),t.previousProgramHash=n.getMd5Hash()),o.drawArrays(o.TRIANGLES,0,r.getCABO().getElementCount()),a.release()},e.getLastLICBuffer=()=>0===t.readIndex?t.licTexture0:t.licTexture1,e.getLastSeedBuffer=()=>0===t.readIndex?t.seedTexture0:t.seedTexture1,e.getLICBuffer=()=>1-t.readIndex==0?t.licTexture0:t.licTexture1,e.getSeedBuffer=()=>1-t.readIndex==0?t.seedTexture0:t.seedTexture1,e.getLICTextureUnit=()=>{const e=t.textures[t.readIndex][0];return e.activate(),e.getTextureUnit()},e.getSeedTextureUnit=()=>{const e=t.textures[t.readIndex][1];return e.activate(),e.getTextureUnit()},e.getNoiseTextureUnit=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return 0===e?(t.noiseTexture.activate(),t.noiseTexture.getTextureUnit()):(t.eeTexture.activate(),t.eeTexture.getTextureUnit())},e.getVectorTextureUnit=()=>(t.vectorTexture.activate(),t.vectorTexture.getTextureUnit()),e.getImageVectorTextureUnit=()=>t.imageVectorTexture?(t.imageVectorTexture.activate(),t.imageVectorTexture.getTextureUnit()):e.getVectorTextureUnit(),e.getMaskVectorTextureUnit=()=>t.maskVectorTexture?(t.maskVectorTexture.activate(),t.maskVectorTexture.getTextureUnit()):e.getImageVectorTextureUnit(),e.clearBuffers=function(){let e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];const n=t.framebuffer,r=t.context;n.removeColorBuffer(0),n.removeColorBuffer(1),n.removeColorBuffer(2),n.removeColorBuffer(3),n.setColorBuffer(t.licTexture0,0),n.setColorBuffer(t.seedTexture0,1),n.setColorBuffer(t.licTexture1,2),n.setColorBuffer(t.seedTexture1,3);const o=[r.COLOR_ATTACHMENT0,r.COLOR_ATTACHMENT1,r.COLOR_ATTACHMENT2,r.COLOR_ATTACHMENT3];e&&(n.removeColorBuffer(4),n.setColorBuffer(t.eeTexture,4),o.push(r.COLOR_ATTACHMENT4)),r.drawBuffers(o),r.clearColor(0,1,0,0),r.disable(r.SCISSOR_TEST),r.disable(r.BLEND),r.clear(r.COLOR_BUFFER_BIT),n.removeColorBuffer(0),n.removeColorBuffer(1),n.removeColorBuffer(2),n.removeColorBuffer(3),e&&n.removeColorBuffer(4),r.drawBuffers([r.NONE])},e.clearBuffer=e=>{const n=t.framebuffer,r=t.context;n.removeColorBuffer(0),n.setColorBuffer(e,0),r.drawBuffers([r.COLOR_ATTACHMENT0]),r.clearColor(0,1,0,0),r.disable(r.SCISSOR_TEST),r.disable(r.BLEND),r.clear(r.COLOR_BUFFER_BIT),n.removeColorBuffer(e,0),r.drawBuffers([r.NONE])},e.activateVectorTextures=()=>{t.imageVectorTexture?t.imageVectorTexture.activate():t.vectorTexture.activate(),t.maskVectorTexture&&t.maskVectorTexture.activate()},e.deactivateVectorTextures=()=>{t.imageVectorTexture?t.imageVectorTexture.deactivate():t.vectorTexture.deactivate(),t.maskVectorTexture&&t.maskVectorTexture.deactivate()},e.activateNoiseTexture=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;switch(e){case 0:t.noiseTexture.activate();break;case 1:t.eeTexture.activate();break;default:console.error("Wrong LIC pass number")}},e.deactivateNoiseTexture=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;switch(e){case 0:t.noiseTexture.deactivate();break;case 1:t.eeTexture.deactivate();break;default:console.error("Wrong LIC pass number")}},e.attachLICBuffers=()=>{const e=t.textures[t.readIndex],n=t.textures[1-t.readIndex],r=t.framebuffer,o=t.context;e[0].activate(),e[1].activate(),r.removeColorBuffer(0),r.removeColorBuffer(1),r.setColorBuffer(n[0],0),r.setColorBuffer(n[1],1),o.drawBuffers([o.COLOR_ATTACHMENT0,o.COLOR_ATTACHMENT1])},e.detachLICBuffers=()=>{const e=t.textures[t.readIndex],n=t.context,r=t.framebuffer;e[0].deactivate(),e[1].deactivate(),r.removeColorBuffer(0),r.removeColorBuffer(1),n.drawBuffers([n.NONE])},e.attachImageVectorBuffer=()=>{const e=t.framebuffer,n=t.context;t.vectorTexture.activate(),e.removeColorBuffer(0),e.setColorBuffer(t.imageVectorTexture,0),n.drawBuffers([n.COLOR_ATTACHMENT0])},e.detachImageVectorBuffer=()=>{const e=t.context,n=t.framebuffer;t.vectorTexture.deactivate(),n.removeColorBuffer(0),e.drawBuffers([e.NONE])},e.attachEEBuffer=()=>{t.textures[t.readIndex][0].activate(),t.framebuffer.removeColorBuffer(0),t.framebuffer.setColorBuffer(t.eeTexture,0);const e=t.context;e.drawBuffers([e.COLOR_ATTACHMENT0])},e.detachEEBuffer=()=>{const e=t.context;t.framebuffer.removeColorBuffer(0),e.drawBuffers([e.NONE]),t.textures[t.readIndex][0].deactivate()},e.detachBuffers=()=>{const e=t.context,n=t.framebuffer;n.removeColorBuffer(0),n.removeColorBuffer(1),e.drawBuffers([e.NONE]);const r=t.textures[t.readIndex],o=t.textures[1-t.readIndex];r[0]&&r[0].deactivate(),r[1]&&r[1].deactivate(),o[0]&&o[0].deactivate(),o[1]&&o[1].deactivate(),t.eeTexture&&t.eeTexture.deactivate(),t.noiseTexture&&t.noiseTexture.deactivate()},e.getWriteIndex=()=>1-t.readIndex,e.detachBuffers()):console.error("Pass renderwindow to ping pong manager")}const Qg={vectorTexture:null,maskVectorTexture:null,noiseTexture:null,doEEPass:!1,doVTPass:!1,readIndex:0,quad:null,lastProgramHash:null,framebuffer:null,size:null,pingTextures:[],pongTextures:[],textures:[]};function Jg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Qg,n),jt.obj(e,t),jt.get(e,t,["readIndex"]),jt.setGet(e,t,["doEEPass","doVTPass","_openGLRenderWindow","vectorTexture","maskVectorTexture","noiseTexture","framebuffer","size"]),jt.moveToProtected(e,t,["openGLRenderWindow"]),Zg(e,t)}var em={newInstance:jt.newInstance(Jg,"vtkLICPingPongBufferManager"),extend:Jg};const tm=0,nm=1,rm=2,om=3,am=1;function im(e,t){function n(e,t){e.setUniformi("texLIC",t.getLICTextureUnit()),e.setUniformi("texSeedPts",t.getSeedTextureUnit())}function r(e,t,n){e.attachLICBuffers(),e.renderQuad(t,n),e.detachLICBuffers(),e.swap()}t.classHierarchy.push("vtkLineIntegralConvolution2D"),e.buildAShader=e=>t._openGLRenderWindow.getShaderCache().readyShaderProgramArray($g,e,""),e.dumpTextureValues=function(e,n){let[r,o]=n,a=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t.context,i=arguments.length>3&&void 0!==arguments[3]?arguments[3]:t._openGLRenderWindow,s=arguments.length>4&&void 0!==arguments[4]?arguments[4]:4;const l=$p.newInstance(),c=a;let u=null;return l.setOpenGLRenderWindow(i),l.saveCurrentBindingsAndBuffers(),l.create(r,o),l.populateFramebuffer(),l.setColorBuffer(e),u=new Float32Array(r*o*s),c.readPixels(0,0,r,o,4===s?c.RGBA:c.RGB,c.FLOAT,u),l.restorePreviousBindingsAndBuffers(),u},e.getTextureMinMax=function(n,r){let o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t.context,a=arguments.length>3&&void 0!==arguments[3]?arguments[3]:t._openGLRenderWindow;const i=e.dumpTextureValues(n,r,o,a,4);let s=Number.MAX_VALUE,l=Number.MIN_VALUE;for(let e=0;el&&(l=t)}return{min:s,max:l}},e.getComponentSelectionProgram=e=>{const t="xyzw";return`.${t[e[0]]}${t[e[1]]}`},e.buildShaders=()=>{t.LIC0ShaderProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_LIC0.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n/**\nThis shader initializes the convolution for the LIC computation.\n*/\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\nuniform sampler2D texMaskVectors;\nuniform sampler2D texNoise;\nuniform sampler2D texLIC;\n\nuniform int uStepNo; // in step 0 initialize lic and seeds, else just seeds\nuniform int uPassNo; // in pass 1 hpf of pass 0 is convolved.\nuniform float uMaskThreshold; // if |V| < uMaskThreshold render transparent\nuniform vec2 uNoiseBoundsPt1; // tc of upper right pt of noise texture\n\nin vec2 tcoordVC;\n\n// convert from vector coordinate space to noise coordinate space.\n// the noise texture is tiled across the *whole* domain\nvec2 VectorTCToNoiseTC(vec2 vectc)\n{\n return vectc/uNoiseBoundsPt1;\n}\n\n// get the texture coordidnate to lookup noise value. this\n// depends on the pass number.\nvec2 getNoiseTC(vec2 vectc)\n{\n // in pass 1 : convert from vector tc to noise tc\n // in pass 2 : use vector tc\n if (uPassNo == 0)\n {\n return VectorTCToNoiseTC(vectc);\n }\n else\n {\n return vectc;\n }\n}\n\n// look up noise value at the given location. The location\n// is supplied in vector texture coordinates, hence the\n// need to convert to noise texture coordinates.\nfloat getNoise(vec2 vectc)\n{\n return texture2D(texNoise, getNoiseTC(vectc)).r;\n}\n\nvoid main(void)\n{\n vec2 vectc = tcoordVC.st;\n\n // lic => (convolution, mask, 0, step count)\n if (uStepNo == 0)\n {\n float maskCriteria = length(texture2D(texMaskVectors, vectc).xyz);\n float maskFlag;\n if (maskCriteria <= uMaskThreshold)\n {\n maskFlag = 1.0;\n }\n else\n {\n maskFlag = 0.0;\n }\n float noise = getNoise(vectc);\n LICOutput = vec4(noise, maskFlag, 0.0, 1.0);\n }\n else\n {\n LICOutput = texture2D(texLIC, vectc);\n }\n\n // initial seed\n SeedOutput = vec4(vectc, 0.0, 1.0);\n}\n");const n=dd.substitute("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_VT.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// move vector field to normalized image space\n// pre-processing for vtkLineIntegralConvolution2D\n\n// the output of this shader\n//VTK::Output::Dec\n\n// Fragment shader used by the gaussian blur filter render pass.\n\nuniform sampler2D texVectors; // input texture\nuniform vec2 uTexSize; // size of texture\n\nin vec2 tcoordVC;\n\nvoid main(void)\n{\n //VTK::LICComponentSelection::Impl\n V = V/uTexSize;\n gl_FragData[0] = vec4(V, 0.0, 1.0);\n}\n","//VTK::LICComponentSelection::Impl",`vec2 V = texture2D(texVectors, tcoordVC.st)${e.getComponentSelectionProgram(t.componentIds)};`).result;t.VTProgram=e.buildAShader(n);const r=dd.substitute("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_fs1.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\nuniform sampler2D texVectors;\nuniform sampler2D texNoise;\nuniform sampler2D texLIC;\nuniform sampler2D texSeedPts;\n\nuniform int uPassNo; // in pass 1 hpf of pass 0 is convolved.\nuniform float uStepSize; // step size in parametric space\n\nuniform vec2 uNoiseBoundsPt1; // tc of upper right pt of noise texture\n\nin vec2 tcoordVC;\n\n//VTK::LICVectorLookup::Impl\n\n// We need to do this manually since CLAMP_TO_BORDER and and borderColor\n// are very poorly supported in webgl\nvec2 clampToBorder(vec2 uv){\n if(uv.x < 0.0 || uv.x > 1.0 || uv.y < 0.0 || uv.y > 1.0)\n {\n return vec2(0.0, 0.0);\n }\n return getVector(uv);\n}\n\n// convert from vector coordinate space to noise coordinate space.\n// the noise texture is tiled across the whole domain\nvec2 VectorTCToNoiseTC(vec2 vectc)\n{\n return vectc/uNoiseBoundsPt1;\n}\n\n// get the texture coordidnate to lookup noise value.\n// in pass 1 repeatedly tile the noise texture across\n// the computational domain.\nvec2 getNoiseTC(vec2 tc)\n{\n if (uPassNo == 0)\n {\n return VectorTCToNoiseTC(tc);\n }\n else\n {\n return tc;\n }\n}\n\n// look up noise value at the given location. The location\n// is supplied in vector texture coordinates, hence the need\n// to convert to either noise or lic texture coordinates in\n// pass 1 and 2 respectively.\nfloat getNoise(vec2 vectc)\n{\n return texture2D(texNoise, getNoiseTC(vectc)).r;\n}\n\n// fourth-order Runge-Kutta streamline integration\n// no bounds checks are made, therefore it's essential\n// to have the entire texture initialized to 0\n// and set clamp to border and have border color 0\n// an integer is set if the step was taken, keeping\n// an accurate step count is necessary to prevent\n// boundary artifacts. Don't count the step if\n// all vector lookups are identically 0. This is\n// a proxy for \"stepped outside valid domain\"\nvec2 rk4(vec2 pt0, float dt, out bool count)\n{\n count=true;\n float dtHalf = dt * 0.5;\n vec2 pt1;\n\n vec2 v0 = clampToBorder(pt0);\n pt1 = pt0 + v0 * dtHalf;\n\n vec2 v1 = clampToBorder(pt1);\n pt1 = pt0 + v1 * dtHalf;\n\n vec2 v2 = clampToBorder(pt1);\n pt1 = pt0 + v2 * dt;\n\n vec2 v3 = clampToBorder(pt1);\n vec2 vSum = v0 + v1 + v1 + v2 + v2 + v3;\n\n if (vSum == vec2(0.0, 0.0))\n {\n count = false;\n }\n\n pt1 = pt0 + (vSum) * (dt * (1.0/6.0));\n\n return pt1;\n}\n\nvoid main(void)\n{\n vec2 lictc = tcoordVC.st;\n vec4 lic = texture2D(texLIC, lictc);\n vec2 pt0 = texture2D(texSeedPts, lictc).st;\n\n bool count;\n vec2 pt1 = rk4(pt0, uStepSize, count);\n\n if (count)\n {\n // accumulate lic step\n // (lic, mask, 0, step count)\n float noise = getNoise(pt1);\n LICOutput = vec4(lic.r + noise, lic.g, 0.0, lic.a + 1.0);\n SeedOutput = vec4(pt1, 0.0, 1.0);\n }\n else\n {\n // keep existing values\n LICOutput = lic;\n SeedOutput = vec4(pt0, 0.0, 1.0);\n }\n}\n","//VTK::LICVectorLookup::Impl",function(){const e="\n vec2 getVector( vec2 vectc )\n\n {\n\n vec2 V = texture2D( texVectors, vectc ).xy;\n\n // normalize if |V| not 0\n\n float lenV = length( V );\n\n if ( lenV > 1.0e-8 )\n\n {\n\n return V/lenV;\n\n }\n\n else\n\n {\n\n return vec2( 0.0, 0.0 );\n\n }\n\n }\n\n ",t="\n vec2 getVector( vec2 vectc )\n\n {\n\n return texture2D( texVectors, vectc ).xy;\n\n }\n\n ";return arguments.length>0&&void 0!==arguments[0]&&!arguments[0]?t:e}(t.normalizeVectors),!0).result;t.LICIShaderProgram=e.buildAShader(r),t.LICNShaderProgram=e.buildAShader(" //VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_LICN.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\n/**\nThis shader finalizes the convolution for the LIC computation\napplying the normalization. eg. if box kernel is used the this\nis the number of steps taken.\n*/\n\nuniform sampler2D texLIC;\n\nin vec2 tcoordVC;\n\nvoid main(void)\n{\n vec4 conv = texture2D(texLIC, tcoordVC.st);\n conv.r = conv.r/conv.a;\n // lic => (convolution, mask, 0, 1)\n LICOutput = vec4(conv.rg , 0.0, 1.0);\n SeedOutput = vec4(0.0, 0.0, 0.0, 0.0);\n}\n"),t.CEProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_CE.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// gray scale contrast enhance stage implemented via histogram stretching\n// if the min and max are tweaked it can generate out-of-range values\n// these will be clamped in 0 to 1\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\n\nuniform sampler2D texLIC; // most recent lic pass\nuniform float uMin; // min gray scale color value\nuniform float uMaxMinDiff; // max-min\n\nin vec2 tcoordVC;\n\nvoid main( void )\n{\n vec4 lic = texture2D(texLIC, tcoordVC.st);\n if (lic.g!=0.0)\n {\n LICOutput = lic;\n }\n else\n {\n float CElic = clamp((lic.r - uMin)/uMaxMinDiff, 0.0, 1.0);\n LICOutput = vec4(CElic, lic.gb, 1.0);\n }\n SeedOutput = vec4(0.0, 0.0, 0.0, 0.0);\n}\n"),t.EEProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_fs2.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// high-pass filter stage employed by vtkLineIntegralConvolution2D\n// between LIC pass 1 and LIC pass 2. filtered LIC pass 1, becomes\n// noise for pass2.\n\n// the output of this shader\nlayout(location = 0) out vec4 EEOutput;\n\nuniform sampler2D texLIC; // most recent lic pass\nuniform float uDx; // fragment size\nuniform float uDy; // fragment size\n\nin vec2 tcoordVC;\n\n// kernel for simple laplace edge enhancement.\n// p=Laplace(p)+p\nfloat K[9] = float[9](\n -1.0, -1.0, -1.0,\n -1.0, 9.0, -1.0,\n -1.0, -1.0, -1.0\n );\n\n// determine if the fragment was masked\nbool Masked(float val) { return val != 0.0; }\n\nvoid main(void)\n{\n // tex coord neighbor offsets\n vec2 fragDx[9] = vec2[9](\n vec2(-uDx, uDy), vec2(0.0, uDy), vec2(uDx, uDy),\n vec2(-uDx, 0.0), vec2(0.0, 0.0), vec2(uDx, 0.0),\n vec2(-uDx,-uDy), vec2(0.0,-uDy), vec2(uDx,-uDy)\n );\n\n vec2 lictc = tcoordVC.st;\n\n // compute the convolution but don't use convovled values if\n // any masked fragments on the stencil. Fragments outside\n // the valid domain are masked during initialization, and\n // texture wrap parameters are clamp to border with border\n // color that contains masked flag\n float conv = 0.0;\n bool dontUse = false;\n for (int i=0; i<9; ++i)\n {\n vec2 tc = lictc + fragDx[i];\n vec4 lic = texture2D(texLIC, tc);\n dontUse = dontUse || Masked(lic.g);\n conv = conv + K[i] * lic.r;\n }\n\n if (dontUse)\n {\n EEOutput = vec4(texture2D(texLIC, lictc).rg, 0.0, 1.0);\n }\n else\n {\n conv = clamp(conv, 0.0, 1.0);\n EEOutput = vec4(conv,texture2D(texLIC, lictc).g, 0.0, 1.0);\n }\n\n}\n"),t.AAHProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_AAH.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// Anti-alias stage in vtkLineIntegralConvolution2D\n// horizontal pass of a Gaussian convolution\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\nuniform sampler2D texLIC; // input texture\nuniform float uDx; // fragment size\n\nin vec2 tcoordVC;\n\n// factored 3x3 Gaussian kernel\n// K^T*K = G\nfloat K[3] = float[3](0.141421356, 0.707106781, 0.141421356);\n\n// determine if the fragment was masked\nbool Masked(float val){ return val != 0.0; }\n\nvoid main(void)\n{\n// neighbor offsets\nvec2 fragDx[3] = vec2[3](vec2(-uDx,0.0), vec2(0.0,0.0), vec2(uDx,0.0));\n\n vec2 lictc = tcoordVC.st;\n vec4 lic[3];\n bool dontUse = false;\n float conv = 0.0;\n for (int i=0; i<3; ++i)\n {\n vec2 tc = lictc + fragDx[i];\n lic[i] = texture2D(texLIC, tc);\n dontUse = dontUse || Masked(lic[i].g);\n conv = conv + K[i] * lic[i].r;\n }\n // output is (conv, mask, skip, 1)\n if (dontUse)\n {\n LICOutput = vec4(lic[1].rg, 1.0, 1.0);\n }\n else\n {\n LICOutput = vec4(conv, lic[1].gb, 1.0);\n }\n SeedOutput = vec4(0.0, 0.0, 0.0, 0.0);\n}\n"),t.AAVProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_AAV.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// Anti-alias stage in vtkLineIntegralConvolution2D\n// vertical pass of a Gaussian convolution\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\nuniform sampler2D texLIC; // input texture\nuniform float uDy; // fragment size\n\nin vec2 tcoordVC;\n\n\n// factored 3x3 Gaussian kernel\n// K^T*K = G\nfloat K[3] = float[3](0.141421356, 0.707106781, 0.141421356);\n\n// determine if the fragment was masked\nbool Masked(float val){ return val != 0.0; }\n\nvoid main(void)\n{\n// neighbor offsets\nvec2 fragDy[3] = vec2[3](vec2(0.0,-uDy), vec2(0.0,0.0), vec2(0.0,uDy));\n\n\n vec2 lictc = tcoordVC.st;\n vec4 lic[3];\n bool dontUse = false;\n float conv = 0.0;\n for (int i=0; i<3; ++i)\n {\n vec2 tc = lictc + fragDy[i];\n lic[i] = texture2D(texLIC, tc);\n dontUse = dontUse || Masked(lic[i].g);\n conv = conv + K[i] * lic[i].r;\n }\n // output is (conv, mask, skip, 1)\n if (dontUse)\n {\n LICOutput = vec4(lic[1].rg, 1.0, 1.0);\n }\n else\n {\n LICOutput = vec4(conv, lic[1].gb, 1.0);\n }\n SeedOutput = vec4(0.0, 0.0, 0.0, 0.0);\n}\n")},e.executeLIC=(o,a,i,s,l,c)=>{if(t._openGLRenderWindow=l,t.context=l.getContext(),Object.assign(t,c),o[0]<=0||o[1]<=0)return null;const u=[1/o[0],1/o[1]];let d=t.stepSize*Math.sqrt(u[0]*u[0]+u[1]*u[1]);d<=0&&(d=1e-10);const p=t.context;let f=t.framebuffer;f&&o[0]===f.getSize()[0]&&o[1]===f.getSize()[1]||(f=$p.newInstance(),f.setOpenGLRenderWindow(t._openGLRenderWindow),f.saveCurrentBindingsAndBuffers(),f.create(...o),f.populateFramebuffer(),f.restorePreviousBindingsAndBuffers(),t.framebuffer=f),f.saveCurrentBindingsAndBuffers(),f.bind(),p.viewport(0,0,...o),p.scissor(0,0,...o),t.shadersNeedBuild&&(e.buildShaders(),t.shadersNeedBuild=!1),t.bufs?(t.bufs.setVectorTexture(a),t.bufs.setMaskVectorTexture(i),t.bufs.setNoiseTexture(s)):t.bufs=em.newInstance({openGLRenderWindow:l,doEEPass:t.enhancedLIC,doVTPass:t.transformVectors,vectorTexture:a,maskVectorTexture:i,noiseTexture:s,framebuffer:f,size:o});const g=[(s.getWidth()+1)/o[0],(s.getHeight()+1)/o[1]],m=1/o[0],h=1/o[1],v=t._openGLRenderWindow.getShaderCache();if(t.transformVectors){const e=t.VTProgram;v.readyShaderProgram(e),t.bufs.attachImageVectorBuffer(),e.setUniform2f("uTexSize",...o),e.setUniformi("texVectors",t.bufs.getVectorTextureUnit()),p.clearColor(0,0,0,0),p.clear(p.COLOR_BUFFER_BIT),t.bufs.renderQuad(o,e),t.bufs.detachImageVectorBuffer()}t.bufs.clearBuffers(t.enhancedLIC),t.bufs.activateVectorTextures(),t.bufs.activateNoiseTexture(0);const{LIC0ShaderProgram:y}=t;v.readyShaderProgram(y),y.setUniformi("uStepNo",0),y.setUniformi("uPassNo",0),y.setUniformf("uMaskThreshold",t.maskThreshold),y.setUniform2f("uNoiseBoundsPt1",...g),y.setUniformi("texMaskVectors",t.bufs.getMaskVectorTextureUnit()),y.setUniformi("texLIC",t.bufs.getLICTextureUnit()),y.setUniformi("texNoise",t.bufs.getNoiseTextureUnit(0)),r(t.bufs,o,y);const{LICIShaderProgram:b}=t;v.readyShaderProgram(b),b.setUniformi("uPassNo",0),b.setUniformf("uStepSize",-d),b.setUniform2f("uNoiseBoundsPt1",...g),b.setUniformi("texVectors",t.bufs.getImageVectorTextureUnit()),b.setUniformi("texNoise",t.bufs.getNoiseTextureUnit(0));for(let e=0;e{const a=t._openGLRenderWindow.getShaderCache();let{min:i,max:s}=e.getTextureMinMax(t.bufs.getLastLICBuffer(),o,t.context,t._openGLRenderWindow);(s<=i||s>1||i<0)&&(console.error("Invalid color range: ",i,s),i=0,s=1);let l=s-i;n&&(i+=l*t.lowLICContrastEnhancementFactor,s-=l*t.highLICContrastEnhancementFactor,l=s-i);const{CEProgram:c}=t;a.readyShaderProgram(c),c.setUniformi("texLIC",t.bufs.getLICTextureUnit()),c.setUniformf("uMin",i),c.setUniformf("uMaxMinDiff",l),r(t.bufs,o,c)}}const sm={shadersNeedBuild:!0,stepSize:1,numberOfSteps:10,enhancedLIC:!0,enhanceContrast:!1,lowContrastEnhancementFactor:0,highContrastEnhancementFactor:0,antiAlias:0,componentIds:[0,1],normalizeVectors:!0,maskThreshold:0,transformVectors:!0,bufs:null,isComposite:!0};function lm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,sm,n),jt.obj(e,t),jt.setGet(e,t,["context","_openGLRenderWindow","nuberOfSteps","stepSize","normalizeVectors","maskThreshold","enhancedLIC","enhanceContrast","lowLICContrastEnhancementFactor","highLICContrastEnhancementFactor","antiAlias","componentIds","isComposite"]),jt.moveToProtected(e,t,["openGLRenderWindow"]),im(e,t)}var cm={newInstance:jt.newInstance(lm,"vtkLineIntegralConvolution2D"),extend:lm};function um(e,t){t.classHierarchy.push("vtkSurfaceLICInterface")}const dm={enableLIC:!1,nuberOfSteps:40,stepSize:.25,transformVectors:!0,normalizeVectors:!0,maskOnSurface:!1,maskThreshold:0,maskColor:[0,0,0],maskIntensity:0,enhancedLIC:!0,enhanceContrast:tm,lowLICContrastEnhancementFactor:0,highLICContrastEnhancementFactor:0,lowColorContrastEnhancementFactor:0,highColorContrastEnhancementFactor:0,antiAlias:0,colorMode:0,LICIntensity:1,mapModeBias:0,noiseTextureSize:200,noiseTextureType:am,noiseGrainSize:8,noiseImpulseProbability:.1,noiseImpulseBackgroundValue:0,noiseGeneratorSeed:0,minNoiseValue:0,maxNoiseValue:1,numberOfNoiseLevels:2,shadersNeedBuilding:!0,reallocateTextures:!0,rebuildNoiseTexture:!1,viewPortScale:1};function pm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,dm,n),jt.obj(e,t),jt.setGet(e,t,["enableLIC","numberOfSteps","stepSize","normalizeVectors","transformVectors","maskOnSurface","maskThreshold","maskColor","maskIntensity","enhancedLIC","enhanceContrast","lowLICContrastEnhancementFactor","highLICContrastEnhancementFactor","lowColorContrastEnhancementFactor","highColorContrastEnhancementFactor","antiAlias","colorMode","LICIntensity","mapModeBias","noiseTextureSize","noiseTextureType","noiseGrainSize","minNoiseValue","maxNoiseValue","numberOfNoiseLevels","noiseImpulseProbability","noiseImpulseBackgroundValue","noiseGeneratorSeed","viewPortScale","rebuildNoiseTexture"]),um(0,t)}var fm={newInstance:jt.newInstance(pm,"vtkSurfaceLICInterface"),extend:pm};const{Representation:gm}=ds;function mm(e,t){t.classHierarchy.push("vtkOpenGLSurfaceLICInterface"),e.renderQuad=(e,n)=>{const r=t.licQuad,o=t.context;let a=t.licQuadVAO;a||(a=md.newInstance(),a.setOpenGLRenderWindow(t._openGLRenderWindow),t.licQuadVAO=a),t.previousProgramHash!==n.getMd5Hash()&&(a.shaderProgramChanged(),r.getCABO().bind(),a.addAttributeArray(n,r.getCABO(),"vertexDC",r.getCABO().getVertexOffset(),r.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE),a.addAttributeArray(n,r.getCABO(),"tcoordDC",r.getCABO().getTCoordOffset(),r.getCABO().getStride(),t.context.FLOAT,2,t.context.FALSE),t.previousProgramHash=n.getMd5Hash()),o.drawArrays(o.TRIANGLES,0,r.getCABO().getElementCount()),a.release()},e.generateNoiseTexture=e=>{if(!t.noiseTexture||t.licInterface.getRebuildNoiseTexture()){t.licInterface.setRebuildNoiseTexture(!1),t.noiseTexture&&t.noiseTexture.releaseGraphicsResources(),vo()(t.noiseGeneratorSeed,{global:!0});let n=[];const{noiseTextureType:r,noiseGrainSize:o,numberOfNoiseLevels:a,noiseImpulseProbability:i,noiseImpulseBackgroundValue:s,minNoiseValue:l,maxNoiseValue:c}=t.licInterface.get("noiseTextureType","noiseGrainSize","numberOfNoiseLevels","noiseImpulseProbability","noiseImpulseBackgroundValue","minNoiseValue","maxNoiseValue");n=r===am?function(e,t,n,r,o,a){const i=Math.max(0,Math.min(1,n)),s=Float32Array.from({length:e*e},(()=>{let e=0;if(1===i||Math.random()>1-i)for(let t=0;t<2048;++t)e+=Math.random();return e}));let l=0,c=2049;s.forEach((e=>{c=1===i?e0?e:c,l=e>l?e:l}));let u=l-c;0===u&&(c=0,u=0===l?1:l);const d=t-1,p=0!==d?1/d:0,f=a-o;return s.map((e=>{const n=e=c?1===t?a:o+(i>d?d:i)*p*f:r}))}(Math.floor(e/o),a,i,s,l,c):function(e,t,n,r){let[o,a]=e;const i=r-n;return Float32Array.from({length:o*a},(()=>{let e=Math.random();return e=Math.floor(e*t)/t,e=e*i+n,e>1?1:e<0?0:e}))}([Math.ceil(e/o),Math.ceil(e/o)],a,l,c);const u=1/o,d=Float32Array.from({length:e*e*4},((t,r)=>{const a=r/4;if(r%4==0){const t=Math.floor(a%e*u),r=Math.floor(a/e*u);return n[r*(e/o)+t]}return r%4==1||r%4==3?1:0})),p=Fd.newInstance({wrapS:Fd.Wrap.REPEAT,wrapT:Fd.Wrap.REPEAT,minificationFilter:Fd.Filter.NEAREST,magnificationFilter:Fd.Filter.NEAREST,generateMipMap:!1,openGLDataType:t.context.FLOAT,baseLevel:0,maxLevel:0,autoParameters:!1});p.setOpenGLRenderWindow(t._openGLRenderWindow),p.create2DFromRaw(e,e,4,"Float32Array",d),p.activate(),p.sendParameters(),p.deactivate(),t.noiseTexture=p}},e.buildAShader=e=>t._openGLRenderWindow.getShaderCache().readyShaderProgramArray($g,e,""),e.allocateTextures=()=>{const n=Fd.Filter.NEAREST,r=Fd.Filter.LINEAR,o=t._openGLRenderWindow;t.geometryImage||(t.geometryImage=e.allocateTexture(o,n)),t.vectorImage||(t.vectorImage=e.allocateTexture(o,r)),t.maskVectorImage||(t.maskVectorImage=e.allocateTexture(o,r)),t.LICImage||(t.LICImage=e.allocateTexture(o,n)),t.RGBColorImage||(t.RGBColorImage=e.allocateTexture(o,n)),t.HSLColorImage||(t.HSLColorImage=e.allocateTexture(o,n)),t.depthTexture||(t.depthTexture=e.allocateDepthTexture(o))},e.allocateTexture=(e,n)=>{const r=t.context,o=Fd.newInstance({wrapS:Fd.Wrap.CLAMP_TO_EDGE,wrapT:Fd.Wrap.CLAMP_TO_EDGE,minificationFilter:n,magnificationFilter:n,generateMipmap:!1,openGLDataType:r.FLOAT,baseLevel:0,maxLevel:0,autoParameters:!1});return o.setOpenGLRenderWindow(e),o.setInternalFormat(r.RGBA32F),o.create2DFromRaw(...t.size,4,"Float32Array",null),o.activate(),o.sendParameters(),o.deactivate(),o},e.allocateDepthTexture=e=>{const n=t.context,r=Fd.newInstance({generateMipmap:!1,openGLDataType:n.FLOAT,autoParameters:!1});return r.setOpenGLRenderWindow(e),r.createDepthFromRaw(...t.size,"Float32Array",null),r.activate(),r.sendParameters(),r.deactivate(),r},e.createFBO=()=>{if(!t.framebuffer){t.licHelper=null;const e=$p.newInstance();e.setOpenGLRenderWindow(t._openGLRenderWindow),e.saveCurrentBindingsAndBuffers(),e.create(...t.size),e.populateFramebuffer(),t.framebuffer=e,e.restorePreviousBindingsAndBuffers()}},e.completedGeometry=()=>{const e=t.context,n=t.framebuffer;n.removeColorBuffer(0),n.removeColorBuffer(1),n.removeColorBuffer(2),n.removeDepthBuffer(),e.drawBuffers([e.NONE]),n.restorePreviousBindingsAndBuffers()},e.buildAllShaders=()=>{t.shadersNeedBuilding&&(t.licColorPass=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkSurfaceLICMapper_fs2.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// This shader combines surface geometry, LIC, and scalar colors.\n\n// the output of this shader\nlayout(location = 0) out vec4 RGBOutput;\nlayout(location = 1) out vec4 HSLOutput;\n\nuniform sampler2D texVectors; // vectors, depth\nuniform sampler2D texGeomColors; // scalar colors + lighting\nuniform sampler2D texLIC; // image lic\nuniform int uScalarColorMode; // select between blend, and map shader\nuniform float uLICIntensity; // blend shader: blending factor for lic'd colors\nuniform float uMapBias; // map shader: adjust the brightness of the result\nuniform float uMaskIntensity; // blending factor for mask color\nuniform vec3 uMaskColor; // color for the masked out fragments\n\nin vec2 tcoordVC;\n\n/**\nConvert from RGB color space into HSL colorspace.\n*/\nvec3 RGBToHSL(vec3 RGB)\n{\n vec3 HSL = vec3(0.0, 0.0, 0.0);\n\n float RGBMin = min(min(RGB.r, RGB.g), RGB.b);\n float RGBMax = max(max(RGB.r, RGB.g), RGB.b);\n float RGBMaxMinDiff = RGBMax - RGBMin;\n\n HSL.z = (RGBMax + RGBMin) / 2.0;\n\n if (RGBMaxMinDiff == 0.0)\n {\n // Gray scale\n HSL.x = 0.0;\n HSL.y = 0.0;\n }\n else\n {\n // Color\n if (HSL.z < 0.5)\n HSL.y = RGBMaxMinDiff / (RGBMax + RGBMin);\n else\n HSL.y = RGBMaxMinDiff / (2.0 - RGBMax - RGBMin);\n\n float dR\n = (((RGBMax - RGB.r) / 6.0) + (RGBMaxMinDiff / 2.0)) / RGBMaxMinDiff;\n float dG\n = (((RGBMax - RGB.g) / 6.0) + (RGBMaxMinDiff / 2.0)) / RGBMaxMinDiff;\n float dB\n = (((RGBMax - RGB.b) / 6.0) + (RGBMaxMinDiff / 2.0)) / RGBMaxMinDiff;\n\n if (RGB.r == RGBMax)\n HSL.x = dB - dG;\n else\n if (RGB.g == RGBMax)\n HSL.x = (1.0 / 3.0) + dR - dB;\n else\n if (RGB.b == RGBMax)\n HSL.x = (2.0 / 3.0) + dG - dR;\n\n if (HSL.x < 0.0)\n HSL.x += 1.0;\n\n if (HSL.x > 1.0)\n HSL.x -= 1.0;\n }\n\n return HSL;\n}\n\n/**\nHelper for HSL to RGB conversion.\n*/\nfloat Util(float v1, float v2, float vH)\n{\n if (vH < 0.0)\n vH += 1.0;\n\n if (vH > 1.0)\n vH -= 1.0;\n\n if ((6.0 * vH) < 1.0)\n return (v1 + (v2 - v1) * 6.0 * vH);\n\n if ((2.0 * vH) < 1.0)\n return (v2);\n\n if ((3.0 * vH) < 2.0)\n return (v1 + (v2 - v1) * ((2.0 / 3.0) - vH) * 6.0);\n\n return v1;\n}\n\n/**\nConvert from HSL space into RGB space.\n*/\nvec3 HSLToRGB(vec3 HSL)\n{\n vec3 RGB;\n if (HSL.y == 0.0)\n {\n // Gray\n RGB.r = HSL.z;\n RGB.g = HSL.z;\n RGB.b = HSL.z;\n }\n else\n {\n // Chromatic\n float v2;\n if (HSL.z < 0.5)\n v2 = HSL.z * (1.0 + HSL.y);\n else\n v2 = (HSL.z + HSL.y) - (HSL.y * HSL.z);\n\n float v1 = 2.0 * HSL.z - v2;\n\n RGB.r = Util(v1, v2, HSL.x + (1.0 / 3.0));\n RGB.g = Util(v1, v2, HSL.x);\n RGB.b = Util(v1, v2, HSL.x - (1.0 / 3.0));\n }\n\n return RGB.rgb;\n}\n\nvoid main()\n{\n vec4 lic = texture2D(texLIC, tcoordVC.st);\n vec4 geomColor = texture2D(texGeomColors, tcoordVC.st);\n\n // depth is used to determine which fragment belong to us\n // and we can change\n float depth = texture2D(texVectors, tcoordVC.st).a;\n\n vec3 fragColorRGB;\n float valid;\n if (depth > 1.0e-3)\n {\n // we own it\n // shade LIC'ed geometry, or apply mask\n if (lic.g!=0.0)\n {\n // it's masked\n // apply fragment mask\n fragColorRGB = uMaskIntensity * uMaskColor + (1.0 - uMaskIntensity) * geomColor.rgb;\n valid = 0.0;\n }\n else\n {\n if (uScalarColorMode==0)\n {\n // blend with scalars\n fragColorRGB = lic.rrr * uLICIntensity + geomColor.rgb * (1.0 - uLICIntensity);\n }\n else\n {\n // multiply with scalars\n fragColorRGB = geomColor.rgb * clamp((uMapBias + lic.r), 0.0, 1.0);\n }\n if (lic.b != 0.0)\n {\n // didn't have the required guard pixels\n // don't consider it in min max estimation\n // for histpgram stretching\n valid = 0.0;\n }\n else\n {\n // ok to use in min/max estimates for histogram\n // stretching\n valid = 1.0;\n }\n }\n }\n else\n {\n // we don't own it\n // pass through scalars\n fragColorRGB = geomColor.rgb;\n valid = 0.0;\n }\n\n // if no further stages this texture is\n // copied to the screen\n RGBOutput = vec4(fragColorRGB, geomColor.a);\n\n // if further stages, move to hsl space for contrast\n // enhancement. encoding validity saves moving a texture to the cpu\n vec3 fragColorHSL = RGBToHSL(fragColorRGB);\n HSLOutput = vec4(fragColorHSL, valid);\n}\n"),t.licCopyPass=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkSurfaceLICMapper_DCpy.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// This shader copies fragments and depths to the output buffer\n\n// the output of this shader\n//VTK::Output::Dec\n\nuniform sampler2D texDepth; // z values from vertex shader\nuniform sampler2D texRGBColors; // final rgb LIC colors\n\nin vec2 tcoordVC;\n\nvoid main()\n{\n gl_FragDepth = texture2D(texDepth, tcoordVC).x;\n gl_FragData[0] = texture2D(texRGBColors, tcoordVC);\n\n // since we render a screen aligned quad\n // we're going to be writing fragments\n // not touched by the original geometry\n // it's critical not to modify those\n // fragments.\n if (gl_FragDepth == 1.0)\n {\n discard;\n }\n}\n"),t.enhanceContrastPass=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkSurfaceLICMapper_CE.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// color contrast enhance stage implemented via histogram stretching\n// on lightness channel. if the min and max are tweaked it can generate\n// out-of-range values these will be clamped in 0 to 1\n\n// the output of this shader\n//VTK::Output::Dec\n\nuniform sampler2D texGeomColors; // scalars + lighting\nuniform sampler2D texLIC; // image lic, mask\nuniform sampler2D texHSLColors; // hsla colors\n\nuniform float uLMin; // min lightness over all fragments\nuniform float uLMaxMinDiff; // max - min lightness over all fragments\n\nin vec2 tcoordVC;\n\nvec3 HSLToRGB(vec3 HSL)\n{\n vec3 RGB;\n float v;\n float h = HSL.x;\n float sl = HSL.y;\n float l = HSL.z;\n\n v = (l <= 0.5) ? (l * (1.0 + sl)) : (l + sl - l * sl);\n if (v <= 0.0) {\n RGB = vec3(0.0,0.0,0.0);\n } else {\n float m;\n int sextant;\n float fract, vsf, mid1, mid2;\n\n m = l + l - v;\n h *= 6.0;\n sextant = int(h);\n fract = h - float(sextant);\n\n vsf = (v - m) * fract;\n mid1 = m + vsf;\n mid2 = v - vsf;\n switch (sextant) {\n case 0: RGB.r = v; RGB.g = mid1; RGB.b = m; break;\n case 1: RGB.r = mid2; RGB.g = v; RGB.b = m; break;\n case 2: RGB.r = m; RGB.g = v; RGB.b = mid1; break;\n case 3: RGB.r = m; RGB.g = mid2; RGB.b = v; break;\n case 4: RGB.r = mid1; RGB.g = m; RGB.b = v; break;\n case 5: RGB.r = v; RGB.g = m; RGB.b = mid2; break;\n }\n }\n return RGB;\n}\n\nvoid main()\n{\n // lookup hsl color , mask\n vec4 fragColor = texture2D(texHSLColors, tcoordVC.st);\n\n // don't modify masked fragments (masked => lic.g==1)\n vec4 lic = texture2D(texLIC, tcoordVC.st);\n if (lic.g==0.0)\n {\n // normalize lightness channel\n fragColor.z = clamp((fragColor.z - uLMin)/uLMaxMinDiff, 0.0, 1.0);\n }\n\n // back into rgb space\n fragColor.rgb = HSLToRGB(fragColor.xyz);\n\n // add alpha\n vec4 geomColor = texture2D(texGeomColors, tcoordVC.st);\n fragColor.a = geomColor.a;\n\n gl_FragData[0] = fragColor;\n}\n"),t.shadersNeedBuilding=!1)},e.initializeResources=()=>{e.createFBO(),e.generateNoiseTexture(t.licInterface.getNoiseTextureSize()),e.allocateTextures(),e.buildAllShaders(),t.licQuad||(t.licQuad=function(e){const t=xd.newInstance();t.setOpenGLRenderWindow(e);const n=new Float32Array(12);for(let e=0;e<4;e++)n[3*e]=e%2*2-1,n[3*e+1]=e>1?1:-1,n[3*e+2]=0;const r=new Float32Array([0,0,1,0,0,1,1,1]),o=new Uint16Array(8);o[0]=3,o[1]=0,o[2]=1,o[3]=3,o[4]=3,o[5]=0,o[6]=3,o[7]=2;const a=Es.newInstance({numberOfComponents:3,values:n});a.setName("points");const i=Es.newInstance({numberOfComponents:1,values:o}),s=Es.newInstance({numberOfComponents:2,values:r});return t.getCABO().createVBO(i,"polys",gm.SURFACE,{points:a,cellOffset:0,tcoords:s}),t}(t._openGLRenderWindow)),t.licHelper||(t.licHelper=cm.newInstance())},e.prepareForGeometry=()=>{const e=t.framebuffer;e.saveCurrentBindingsAndBuffers(),e.bind(),t.geometryImage.activate(),t.vectorImage.activate(),t.maskVectorImage.activate(),e.removeColorBuffer(0),e.removeColorBuffer(2),e.removeColorBuffer(3),e.setColorBuffer(t.geometryImage,0),e.setColorBuffer(t.vectorImage,2),e.setColorBuffer(t.maskVectorImage,3),e.setDepthBuffer(t.depthTexture);const n=t.context;n.drawBuffers([n.COLOR_ATTACHMENT0,n.NONE,n.COLOR_ATTACHMENT2,n.COLOR_ATTACHMENT3]),n.viewport(0,0,...t.size),n.scissor(0,0,...t.size),n.disable(n.BLEND),n.disable(n.DEPTH_TEST),n.disable(n.SCISSOR_TEST),n.clearColor(0,0,0,0),n.clear(n.DEPTH_BUFFER_BIT|n.COLOR_BUFFER_BIT)},e.copyToScreen=n=>{t.RGBColorImage.activate(),t.depthTexture.activate(),t.licCopyPass||e.initializeResources();const r=t.licCopyPass;t._openGLRenderWindow.getShaderCache().readyShaderProgram(r);const o=t.context;o.viewport(0,0,...n),o.scissor(0,0,...n),o.disable(o.BLEND),o.enable(o.DEPTH_TEST),o.disable(o.SCISSOR_TEST),r.setUniformi("texDepth",t.depthTexture.getTextureUnit()),r.setUniformi("texRGBColors",t.RGBColorImage.getTextureUnit()),e.renderQuad(n,r),t.RGBColorImage.deactivate(),t.depthTexture.deactivate()},e.combineColorsAndLIC=()=>{const n=t.context,r=t.framebuffer;r.saveCurrentBindingsAndBuffers(),r.bind(),r.create(...t.size),r.removeColorBuffer(0),r.removeColorBuffer(1),r.setColorBuffer(t.RGBColorImage,0),r.setColorBuffer(t.HSLColorImage,1),n.drawBuffers([n.COLOR_ATTACHMENT0,n.COLOR_ATTACHMENT1]),n.disable(n.DEPTH_TEST),n.clearColor(0,0,0,0),n.clear(n.COLOR_BUFFER_BIT),t.vectorImage.activate(),t.geometryImage.activate(),t.LICImage.activate(),t.licColorPass||e.initializeResources();const o=t.licColorPass;t._openGLRenderWindow.getShaderCache().readyShaderProgram(o),o.setUniformi("texVectors",t.vectorImage.getTextureUnit()),o.setUniformi("texGeomColors",t.geometryImage.getTextureUnit());const{colorMode:a,LICIntensity:i,mapModeBias:s,maskIntensity:l,maskColor:c,enhanceContrast:u,lowColorContrastEnhancementFactor:d,highColorContrastEnhancementFactor:p}=t.licInterface.get("colorMode","LICIntensity","mapModeBias","maskIntensity","maskColor","enhanceContrast","lowColorContrastEnhancementFactor","highColorContrastEnhancementFactor");if(o.setUniformi("texLIC",t.LICImage.getTextureUnit()),o.setUniformi("uScalarColorMode",a),o.setUniformf("uLICIntensity",i),o.setUniformf("uMapBias",s),o.setUniformf("uMaskIntensity",l),o.setUniform3f("uMaskColor",...c),e.renderQuad(t.size,o),t.vectorImage.deactivate(),t.geometryImage.deactivate(),t.LICImage.deactivate(),r.removeColorBuffer(0),r.removeColorBuffer(1),n.drawBuffers([n.NONE]),u===rm||u===om){let o=0,a=1,i=a-o;o+=i*d,a-=i*p,i=a-o,r.setColorBuffer(t.RGBColorImage),n.drawBuffers([n.COLOR_ATTACHMENT0]),t.geometryImage.activate(),t.HSLColorImage.activate(),t.LICImage.activate(),t.enhanceContrastPass||e.initializeResources();const{enhanceContrastPass:s}=t;t._openGLRenderWindow.getShaderCache().readyShaderProgram(s),s.setUniformi("texGeomColors",t.geometryImage.getTextureUnit()),s.setUniformi("texHSLColors",t.HSLColorImage.getTextureUnit()),s.setUniformi("texLIC",t.LICImage.getTextureUnit()),s.setUniformf("uLMin",o),s.setUniformf("uLMaxMinDiff",i),e.renderQuad(t.size,s),t.geometryImage.deactivate(),t.HSLColorImage.deactivate(),t.LICImage.deactivate(),r.removeColorBuffer(0),n.drawBuffers([n.NONE])}r.restorePreviousBindingsAndBuffers()},e.applyLIC=()=>{const e=t.licInterface.get("stepSize","numberOfSteps","enhancedLIC","enhanceContrast","lowLICContrastEnhancementFactor","highLICContrastEnhancementFactor","antiAlias","normalizeVectors","maskThreshold","transformVectors"),n=t.licHelper.executeLIC(t.size,t.vectorImage,t.maskVectorImage,t.noiseTexture,t._openGLRenderWindow,e);if(!n)return console.error("Failed to compute image LIC"),void(t.LICImage=null);t.LICImage=n},e.setSize=n=>{Array.isArray(n)&&2===n.length&&(t.size&&t.size[0]===n[0]&&t.size[1]===n[1]||(t.size=n,e.releaseGraphicsResources()))},e.releaseGraphicsResources=()=>{t.geometryImage&&(t.geometryImage.releaseGraphicsResources(),t.geometryImage=null),t.vectorImage&&(t.vectorImage.releaseGraphicsResources(),t.vectorImage=null),t.maskVectorImage&&(t.maskVectorImage.releaseGraphicsResources(),t.maskVectorImage=null),t.LICImage&&(t.LICImage.releaseGraphicsResources(),t.LICImage=null),t.RGBColorImage&&(t.RGBColorImage.releaseGraphicsResources(),t.RGBColorImage=null),t.HSLColorImage&&(t.HSLColorImage.releaseGraphicsResources(),t.HSLColorImage=null),t.depthTexture&&(t.depthTexture.releaseGraphicsResources(),t.depthTexture=null),t.framebuffer&&(t.framebuffer.releaseGraphicsResources(),t.framebuffer=null)}}const hm={context:null,shadersNeedBuilding:!0,reallocateTextures:!0,size:null,licInterface:null};function vm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,hm,n),fm.extend(e,t,n),jt.obj(e,t),jt.setGet(e,t,["context","_openGLRenderWindow","reallocateTextures","licInterface","size"]),jt.moveToProtected(e,t,["openGLRenderWindow"]),mm(e,t)}var ym={newInstance:jt.newInstance(vm,"vtkSurfaceLICInterface"),extend:vm};const{vtkErrorMacro:bm}=Kt;function xm(e,t){t.classHierarchy.push("vtkOpenGLSurfaceLICMapper");const n={...e};e.getNeedToRebuildShaders=(e,r,o)=>t.rebuildLICShaders||n.getNeedToRebuildShaders(e,r,o),e.replaceShaderValues=(e,r,o)=>{const a=t.lastBoundBO.getReferenceByName("lastLightComplexity");let i=e.Vertex,s=e.Fragment;const l=t.renderable.getInputArrayToProcess(0);if(l&&t.canDrawLIC){s=dd.substitute(s,"//VTK::Output::Dec",["//VTK::Output::Dec","layout(location = 2) out vec4 vectorTexture;","layout(location = 3) out vec4 maskVectorTexture;"]).result;const n=`${l.getName()}MC`;0===a&&t.lastBoundBO.set({lastLightComplexity:1},!0),i=dd.substitute(i,"//VTK::TCoord::Dec",[`attribute vec3 ${n};`,"out vec3 licOutput;","//VTK::TCoord::Dec"]).result,i=dd.substitute(i,"//VTK::TCoord::Impl",[`licOutput = ${n};`,"//VTK::TCoord::Impl"]).result,s=dd.substitute(s,"//VTK::TCoord::Dec",["uniform int uMaskOnSurface;","uniform mat3 normalMatrix;","in vec3 licOutput;","//VTK::TCoord::Dec"]).result,s=dd.substitute(s,"//VTK::TCoord::Impl",["// projected vectors"," vec3 tcoordLIC = normalMatrix * licOutput;"," vec3 normN = normalize(normalVCVSOutput);"," float k = dot(tcoordLIC, normN);"," vec3 projected = (tcoordLIC - k*normN);"," vectorTexture = vec4(projected.x, projected.y, 0.0 , 1.0);","// vectors for fragment masking"," if (uMaskOnSurface == 0)"," {"," maskVectorTexture = vec4(licOutput, 1.0);"," }"," else"," {"," maskVectorTexture = vec4(projected.x, projected.y, 0.0 , 1.0);"," }","//VTK::TCoord::Impl"],!1).result,e.Vertex=i}t.rebuildLICShaders=!1,e.Fragment=s,n.replaceShaderValues(e,r,o),a>0&&t.lastBoundBO.set({lastLightComplexity:a},!0)},e.setMapperShaderParameters=(e,r,o)=>{n.setMapperShaderParameters(e,r,o),t.canDrawLIC&&e.getProgram().setUniformi("uMaskOnSurface",t.maskOnSurface)},e.getNeedToRebuildBufferObjects=(e,r)=>t.rebuildLICBuffers||n.getNeedToRebuildBufferObjects(e,r),e.buildBufferObjects=(e,r)=>{if(t.canDrawLIC){const e=t.renderable.getInputArrayToProcess(0);e&&e.getNumberOfComponents()>1&&t.renderable.setCustomShaderAttributes([e.getName()])}t.rebuildLICBuffers=!1,n.buildBufferObjects(e,r)},e.pushState=e=>{t.stateCache={[e.BLEND]:e.isEnabled(e.BLEND),[e.DEPTH_TEST]:e.isEnabled(e.DEPTH_TEST),[e.SCISSOR_TEST]:e.isEnabled(e.SCISSOR_TEST),[e.CULL_FACE]:e.isEnabled(e.CULL_FACE)}},e.popState=e=>{const n=n=>t.stateCache[n]?e.enable(n):e.disable(n);n(e.BLEND),n(e.DEPTH_TEST),n(e.SCISSOR_TEST),n(e.CULL_FACE)},e.renderPiece=(r,o)=>{let a=!0;t._openGLRenderWindow.getWebgl2()||(bm("SurfaceLICMapper Requires WebGL 2"),a=!1),t.context.getExtension("EXT_color_buffer_float")&&t.context.getExtension("OES_texture_float_linear")||(bm("SurfaceLICMapper requires the EXT_color_buffer_float and OES_texture_float_linear WebGL2 extensions."),a=!1),t.currentInput=t.renderable.getInputData(),t.currentInput||(bm("No input"),a=!1);let i=t.renderable.getLicInterface();i||(i=fm.newInstance(),t.renderable.setLicInterface(i)),t.openGLLicInterface||(t.openGLLicInterface=ym.newInstance()),i!==t.openGLLicInterface.getLicInterface()&&t.openGLLicInterface.setLicInterface(i);const s=t.renderable.getInputArrayToProcess(0);if(i.getEnableLIC()&&(!s||s.getNumberOfComponents()<2)&&(bm("No vector input array"),a=!1),i.getEnableLIC()||(a=!1),t.canDrawLIC!==a&&(t.rebuildLICShaders=!0,t.rebuildLICBuffers=!0),t.canDrawLIC=a,!a||!i.getEnableLIC())return void n.renderPiece(r,o);const l=t.context,c=o.getProperty().getBackfaceCulling(),u=o.getProperty().getFrontfaceCulling();c||u?u?(t._openGLRenderWindow.enableCullFace(),l.cullFace(l.FRONT)):(t._openGLRenderWindow.enableCullFace(),l.cullFace(l.BACK)):t._openGLRenderWindow.disableCullFace();const d=t._openGLRenderWindow.getSize(),p=d.map((e=>Math.round(e*i.getViewPortScale())));t.openGLLicInterface.setSize(p),t.openGLLicInterface.setOpenGLRenderWindow(t._openGLRenderWindow),t.openGLLicInterface.setContext(t.context),e.pushState(t.context),t.openGLLicInterface.initializeResources(),t.openGLLicInterface.prepareForGeometry(),e.popState(t.context),n.renderPieceStart(r,o),n.renderPieceDraw(r,o),n.renderPieceFinish(r,o),e.pushState(t.context),t.VBOBuildTime.modified(),t.openGLLicInterface.completedGeometry(),t.context.disable(t.context.CULL_FACE),t.openGLLicInterface.applyLIC(),t.openGLLicInterface.combineColorsAndLIC(),t.openGLLicInterface.copyToScreen(d),e.popState(t.context)}}const Tm={canDrawLIC:!1,rebuildLICShaders:!1,rebuildLICBuffers:!1,openGLLicInterface:null};const Cm=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Tm,n),op.extend(e,t,n),xm(e,t),Pt(e,t,["openGLLicInterface"])}),"vtkOpenGLSurfaceLICMapper");rn("vtkSurfaceLICMapper",Cm);const{vtkErrorMacro:Sm}=Kt;function Pm(e,t){t.classHierarchy.push("vtkOpenGLSphereMapper");const n={...e};e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkSphereMapperVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// this shader implements imposters in OpenGL for Spheres\n\nattribute vec4 vertexMC;\nattribute vec2 offsetMC;\n\n// optional normal declaration\n//VTK::Normal::Dec\n\n//VTK::Picking::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\nuniform mat3 normalMatrix; // transform model coordinate directions to view coordinates\n\n// material property values\n//VTK::Color::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\nvarying vec4 vertexVCVSOutput;\nvarying float radiusVCVSOutput;\nvarying vec3 centerVCVSOutput;\n\nuniform int cameraParallel;\nuniform float scaleFactor;\n\nvoid main()\n{\n //VTK::Picking::Impl\n\n //VTK::Color::Impl\n\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Clip::Impl\n\n // compute the projected vertex position\n vec2 scaledOffsetMC = scaleFactor * offsetMC;\n vertexVCVSOutput = MCVCMatrix * vertexMC;\n centerVCVSOutput = vertexVCVSOutput.xyz;\n radiusVCVSOutput = length(scaledOffsetMC)*0.5;\n\n // make the triangle face the camera\n if (cameraParallel == 0)\n {\n vec3 dir = normalize(-vertexVCVSOutput.xyz);\n vec3 base2 = normalize(cross(dir,vec3(1.0,0.0,0.0)));\n vec3 base1 = cross(base2,dir);\n vertexVCVSOutput.xyz = vertexVCVSOutput.xyz + scaledOffsetMC.x*base1 + scaledOffsetMC.y*base2;\n }\n else\n {\n // add in the offset\n vertexVCVSOutput.xy = vertexVCVSOutput.xy + scaledOffsetMC;\n }\n\n gl_Position = VCPCMatrix * vertexVCVSOutput;\n}\n",e.Fragment=Gd,e.Geometry=""},e.replaceShaderValues=(e,r,o)=>{let a=e.Vertex,i=e.Fragment;a=dd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 VCPCMatrix;\n","uniform mat4 MCVCMatrix;"]).result,i=dd.substitute(i,"//VTK::PositionVC::Dec",["varying vec4 vertexVCVSOutput;"]).result,i=dd.substitute(i,"//VTK::PositionVC::Impl",["vec4 vertexVC = vertexVCVSOutput;\n"]).result,i=dd.substitute(i,"//VTK::Normal::Dec",["uniform float invertedDepth;\n","uniform int cameraParallel;\n","varying float radiusVCVSOutput;\n","varying vec3 centerVCVSOutput;\n","uniform mat4 VCPCMatrix;\n"]).result;let s="";t.context.getExtension("EXT_frag_depth")&&(s="gl_FragDepthEXT = (pos.z / pos.w + 1.0) / 2.0;\n"),t._openGLRenderWindow.getWebgl2()&&(s="gl_FragDepth = (pos.z / pos.w + 1.0) / 2.0;\n"),i=dd.substitute(i,"//VTK::Depth::Impl",[" vec3 EyePos;\n"," vec3 EyeDir;\n"," if (cameraParallel != 0) {\n"," EyePos = vec3(vertexVC.x, vertexVC.y, vertexVC.z + 3.0*radiusVCVSOutput);\n"," EyeDir = vec3(0.0,0.0,-1.0); }\n"," else {\n"," EyeDir = vertexVC.xyz;\n"," EyePos = vec3(0.0,0.0,0.0);\n"," float lengthED = length(EyeDir);\n"," EyeDir = normalize(EyeDir);\n"," if (lengthED > radiusVCVSOutput*3.0) {\n"," EyePos = vertexVC.xyz - EyeDir*3.0*radiusVCVSOutput; }\n"," }\n"," EyePos = EyePos - centerVCVSOutput;\n"," EyePos = EyePos/radiusVCVSOutput;\n"," float b = 2.0*dot(EyePos,EyeDir);\n"," float c = dot(EyePos,EyePos) - 1.0;\n"," float d = b*b - 4.0*c;\n"," vec3 normalVCVSOutput = vec3(0.0,0.0,1.0);\n"," if (d < 0.0) { discard; }\n"," else {\n"," float t = (-b - invertedDepth*sqrt(d))*0.5;\n"," normalVCVSOutput = invertedDepth*normalize(EyePos + t*EyeDir);\n"," vertexVC.xyz = normalVCVSOutput*radiusVCVSOutput + centerVCVSOutput;\n"," }\n"," vec4 pos = VCPCMatrix * vertexVC;\n",s]).result,i=dd.substitute(i,"//VTK::Normal::Impl","").result,t.haveSeenDepthRequest&&(i=dd.substitute(i,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float computedZ = (pos.z / pos.w + 1.0) / 2.0;","float iz = floor(computedZ * 65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),e.Vertex=a,e.Fragment=i,n.replaceShaderValues(e,r,o)},e.setMapperShaderParameters=(e,r,o)=>{if(e.getCABO().getElementCount()&&(t.VBOBuildTime>e.getAttributeUpdateTime().getMTime()||e.getShaderSourceTime().getMTime()>e.getAttributeUpdateTime().getMTime())&&e.getProgram().isAttributeUsed("offsetMC")&&(e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),"offsetMC",12,e.getCABO().getStride(),t.context.FLOAT,2,!1)||Sm("Error setting 'offsetMC' in shader VAO.")),e.getProgram().isUniformUsed("invertedDepth")&&e.getProgram().setUniformf("invertedDepth",t.invert?-1:1),e.getProgram().isUniformUsed("scaleFactor")){const n=t.currentInput.getPointData();null!=t.renderable.getScaleArray()&&n.hasArray(t.renderable.getScaleArray())?e.getProgram().setUniformf("scaleFactor",t.renderable.getScaleFactor()):e.getProgram().setUniformf("scaleFactor",1)}n.setMapperShaderParameters(e,r,o)},e.setCameraShaderParameters=(e,n,r)=>{const o=e.getProgram(),a=n.getActiveCamera(),i=t.openGLCamera.getKeyMatrices(n);if(o.isUniformUsed("VCPCMatrix")&&o.setUniformMatrix("VCPCMatrix",i.vcpc),o.isUniformUsed("MCVCMatrix"))if(r.getIsIdentity())o.setUniformMatrix("MCVCMatrix",i.wcvc);else{const e=t.openGLActor.getKeyMatrices(),n=new Float64Array(16);b(n,i.wcvc,e.mcwc),o.setUniformMatrix("MCVCMatrix",n)}o.isUniformUsed("cameraParallel")&&e.getProgram().setUniformi("cameraParallel",a.getParallelProjection())},e.getOpenGLMode=(e,n)=>t.context.TRIANGLES,e.buildBufferObjects=(e,n)=>{const r=t.currentInput;if(null===r)return;t.renderable.mapScalars(r,1);const o=t.renderable.getColorMapColors(),a=t.primitives[t.primTypes.Tris].getCABO(),i=r.getPointData(),s=r.getPoints(),l=s.getNumberOfPoints(),c=s.getData();let u=null;null!=t.renderable.getScaleArray()&&i.hasArray(t.renderable.getScaleArray())&&(u=i.getArray(t.renderable.getScaleArray()).getData());let d=null,p=0,f=null;o?(p=o.getNumberOfComponents(),a.setColorOffset(0),a.setColorBOStride(4),d=o.getData(),f=new Uint8Array(3*l*4),a.getColorBO()||a.setColorBO(Yu.newInstance()),a.getColorBO().setOpenGLRenderWindow(t._openGLRenderWindow)):a.getColorBO()&&a.setColorBO(null),a.setColorComponents(p);const g=new Float32Array(5*l*3);a.setStride(20);const m=Math.cos(Mo(30));let h=0,v=0,y=0,b=0;for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Am,n),op.extend(e,t,n),Pm(e,t)}),"vtkOpenGLSphereMapper");rn("vtkSphereMapper",Im);const{vtkErrorMacro:wm}=Kt;function Om(e,t){t.classHierarchy.push("vtkOpenGLStickMapper");const n={...e};e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkStickMapperVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// this shader implements imposters in OpenGL for Sticks\n\nattribute vec4 vertexMC;\nattribute vec3 orientMC;\nattribute vec4 offsetMC;\nattribute float radiusMC;\n\n// optional normal declaration\n//VTK::Normal::Dec\n\n//VTK::Picking::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\nuniform mat3 normalMatrix; // transform model coordinate directions to view coordinates\n\n// material property values\n//VTK::Color::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\nvarying vec4 vertexVCVSOutput;\nvarying float radiusVCVSOutput;\nvarying float lengthVCVSOutput;\nvarying vec3 centerVCVSOutput;\nvarying vec3 orientVCVSOutput;\n\nuniform int cameraParallel;\n\nvoid main()\n{\n //VTK::Picking::Impl\n\n //VTK::Color::Impl\n\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Clip::Impl\n\n vertexVCVSOutput = MCVCMatrix * vertexMC;\n centerVCVSOutput = vertexVCVSOutput.xyz;\n radiusVCVSOutput = radiusMC;\n lengthVCVSOutput = length(orientMC);\n orientVCVSOutput = normalMatrix * normalize(orientMC);\n\n // make sure it is pointing out of the screen\n if (orientVCVSOutput.z < 0.0)\n {\n orientVCVSOutput = -orientVCVSOutput;\n }\n\n // make the basis\n vec3 xbase;\n vec3 ybase;\n vec3 dir = vec3(0.0,0.0,1.0);\n if (cameraParallel == 0)\n {\n dir = normalize(-vertexVCVSOutput.xyz);\n }\n if (abs(dot(dir,orientVCVSOutput)) == 1.0)\n {\n xbase = normalize(cross(vec3(0.0,1.0,0.0),orientVCVSOutput));\n ybase = cross(xbase,orientVCVSOutput);\n }\n else\n {\n xbase = normalize(cross(orientVCVSOutput,dir));\n ybase = cross(orientVCVSOutput,xbase);\n }\n\n vec3 offsets = offsetMC.xyz*2.0-1.0;\n vertexVCVSOutput.xyz = vertexVCVSOutput.xyz +\n radiusVCVSOutput*offsets.x*xbase +\n radiusVCVSOutput*offsets.y*ybase +\n 0.5*lengthVCVSOutput*offsets.z*orientVCVSOutput;\n\n gl_Position = VCPCMatrix * vertexVCVSOutput;\n}\n",e.Fragment=Gd,e.Geometry=""},e.replaceShaderValues=(e,r,o)=>{let a=e.Vertex,i=e.Fragment;a=dd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 VCPCMatrix;\n","uniform mat4 MCVCMatrix;"]).result,i=dd.substitute(i,"//VTK::PositionVC::Dec","varying vec4 vertexVCVSOutput;").result,i=dd.substitute(i,"//VTK::PositionVC::Impl"," vec4 vertexVC = vertexVCVSOutput;\n").result,i=dd.substitute(i,"//VTK::Normal::Dec",["uniform int cameraParallel;\n","varying float radiusVCVSOutput;\n","varying vec3 orientVCVSOutput;\n","varying float lengthVCVSOutput;\n","varying vec3 centerVCVSOutput;\n","uniform mat4 VCPCMatrix;\n"]).result;let s="";t.context.getExtension("EXT_frag_depth")&&(s=" gl_FragDepthEXT = (pos.z / pos.w + 1.0) / 2.0;\n"),t._openGLRenderWindow.getWebgl2()&&(s="gl_FragDepth = (pos.z / pos.w + 1.0) / 2.0;\n"),i=dd.substitute(i,"//VTK::Depth::Impl",[" vec3 EyePos;\n"," vec3 EyeDir;\n"," if (cameraParallel != 0) {\n"," EyePos = vec3(vertexVC.x, vertexVC.y, vertexVC.z + 3.0*radiusVCVSOutput);\n"," EyeDir = vec3(0.0,0.0,-1.0); }\n"," else {\n"," EyeDir = vertexVC.xyz;\n"," EyePos = vec3(0.0,0.0,0.0);\n"," float lengthED = length(EyeDir);\n"," EyeDir = normalize(EyeDir);\n"," if (lengthED > radiusVCVSOutput*3.0) {\n"," EyePos = vertexVC.xyz - EyeDir*3.0*radiusVCVSOutput; }\n"," }\n"," EyePos = EyePos - centerVCVSOutput;\n"," vec3 base1;\n"," if (abs(orientVCVSOutput.z) < 0.99) {\n"," base1 = normalize(cross(orientVCVSOutput,vec3(0.0,0.0,1.0))); }\n"," else {\n"," base1 = normalize(cross(orientVCVSOutput,vec3(0.0,1.0,0.0))); }\n"," vec3 base2 = cross(orientVCVSOutput,base1);\n"," EyePos = vec3(dot(EyePos,base1),dot(EyePos,base2),dot(EyePos,orientVCVSOutput));\n"," EyeDir = vec3(dot(EyeDir,base1),dot(EyeDir,base2),dot(EyeDir,orientVCVSOutput));\n"," EyePos = EyePos/radiusVCVSOutput;\n"," float a = EyeDir.x*EyeDir.x + EyeDir.y*EyeDir.y;\n"," float b = 2.0*(EyePos.x*EyeDir.x + EyePos.y*EyeDir.y);\n"," float c = EyePos.x*EyePos.x + EyePos.y*EyePos.y - 1.0;\n"," float d = b*b - 4.0*a*c;\n"," vec3 normalVCVSOutput = vec3(0.0,0.0,1.0);\n"," if (d < 0.0) { discard; }\n"," else {\n"," float t = (-b - sqrt(d))/(2.0*a);\n"," float tz = EyePos.z + t*EyeDir.z;\n"," vec3 iPoint = EyePos + t*EyeDir;\n"," if (abs(iPoint.z)*radiusVCVSOutput > lengthVCVSOutput*0.5) {\n"," float t2 = (-b + sqrt(d))/(2.0*a);\n"," float tz2 = EyePos.z + t2*EyeDir.z;\n"," if (tz2*radiusVCVSOutput > lengthVCVSOutput*0.5 || tz*radiusVCVSOutput < -0.5*lengthVCVSOutput) { discard; }\n"," else {\n"," normalVCVSOutput = orientVCVSOutput;\n"," float t3 = (lengthVCVSOutput*0.5/radiusVCVSOutput - EyePos.z)/EyeDir.z;\n"," iPoint = EyePos + t3*EyeDir;\n"," vertexVC.xyz = radiusVCVSOutput*(iPoint.x*base1 + iPoint.y*base2 + iPoint.z*orientVCVSOutput) + centerVCVSOutput;\n"," }\n"," }\n"," else {\n"," normalVCVSOutput = iPoint.x*base1 + iPoint.y*base2;\n"," vertexVC.xyz = radiusVCVSOutput*(normalVCVSOutput + iPoint.z*orientVCVSOutput) + centerVCVSOutput;\n"," }\n"," }\n"," vec4 pos = VCPCMatrix * vertexVC;\n",s]).result,i=dd.substitute(i,"//VTK::Normal::Impl","").result,t.haveSeenDepthRequest&&(i=dd.substitute(i,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float computedZ = (pos.z / pos.w + 1.0) / 2.0;","float iz = floor(computedZ * 65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),e.Vertex=a,e.Fragment=i,n.replaceShaderValues(e,r,o)},e.setMapperShaderParameters=(e,r,o)=>{e.getCABO().getElementCount()&&(t.VBOBuildTime>e.getAttributeUpdateTime().getMTime()||e.getShaderSourceTime().getMTime()>e.getAttributeUpdateTime().getMTime())&&(e.getProgram().isAttributeUsed("orientMC")&&(e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),"orientMC",12,e.getCABO().getStride(),t.context.FLOAT,3,!1)||wm("Error setting 'orientMC' in shader VAO.")),e.getProgram().isAttributeUsed("offsetMC")&&(e.getVAO().addAttributeArray(e.getProgram(),e.getCABO().getColorBO(),"offsetMC",0,e.getCABO().getColorBOStride(),t.context.UNSIGNED_BYTE,3,!0)||wm("Error setting 'offsetMC' in shader VAO.")),e.getProgram().isAttributeUsed("radiusMC")&&(e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),"radiusMC",24,e.getCABO().getStride(),t.context.FLOAT,1,!1)||wm("Error setting 'radiusMC' in shader VAO."))),n.setMapperShaderParameters(e,r,o)},e.setCameraShaderParameters=(e,n,r)=>{const o=e.getProgram(),a=n.getActiveCamera(),i=t.openGLCamera.getKeyMatrices(n);if(o.isUniformUsed("VCPCMatrix")&&o.setUniformMatrix("VCPCMatrix",i.vcpc),r.getIsIdentity())o.isUniformUsed("MCVCMatrix")&&o.setUniformMatrix("MCVCMatrix",i.wcvc),o.isUniformUsed("normalMatrix")&&o.setUniformMatrix3x3("normalMatrix",i.normalMatrix);else{const e=t.openGLActor.getKeyMatrices();if(o.isUniformUsed("MCVCMatrix")){const t=new Float64Array(16);b(t,i.wcvc,e.mcwc),o.setUniformMatrix("MCVCMatrix",t)}if(o.isUniformUsed("normalMatrix")){const t=new Float64Array(9);ve(t,i.normalMatrix,e.normalMatrix),o.setUniformMatrix3x3("normalMatrix",t)}}o.isUniformUsed("cameraParallel")&&e.getProgram().setUniformi("cameraParallel",a.getParallelProjection())},e.getOpenGLMode=(e,n)=>t.context.TRIANGLES,e.buildBufferObjects=(e,n)=>{const r=t.currentInput;if(null===r)return;t.renderable.mapScalars(r,1);const o=t.renderable.getColorMapColors(),a=t.primitives[t.primTypes.Tris].getCABO(),i=r.getPointData(),s=r.getPoints(),l=s.getNumberOfPoints(),c=s.getData();let u=3;u+=4;let d=null,p=0;a.setColorBOStride(4),a.getColorBO()||a.setColorBO(Yu.newInstance()),a.getColorBO().setOpenGLRenderWindow(t._openGLRenderWindow),o&&(p=o.getNumberOfComponents(),a.setColorOffset(4),d=o.getData(),a.setColorBOStride(8)),a.setColorComponents(p),a.setStride(28);const f=new Float32Array(7*l*12),g=new Uint8Array(12*l*(d?8:4));let m=null,h=null;null!=t.renderable.getScaleArray()&&i.hasArray(t.renderable.getScaleArray())&&(m=i.getArray(t.renderable.getScaleArray()).getData()),null!=t.renderable.getOrientationArray()&&i.hasArray(t.renderable.getOrientationArray())?h=i.getArray(t.renderable.getOrientationArray()).getData():wm(["Error setting orientationArray.\n","You have to specify the stick orientation"]);const v=[0,1,3,0,3,2,2,3,5,2,5,4];let y=0,b=0,x=0,T=0;for(let e=0;e=4?255:0,g[T++]=v[t]>=2?255:0,g[T++]=255,b=e*p,d&&(g[T++]=d[b],g[T++]=d[b+1],g[T++]=d[b+2],g[T++]=d[b+3])}a.setElementCount(x/7),a.upload(f,Hu.ARRAY_BUFFER),a.getColorBO().upload(g,Hu.ARRAY_BUFFER),t.VBOBuildTime.modified()}}const Mm={};const Rm=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Mm,n),op.extend(e,t,n),Om(e,t)}),"vtkOpenGLStickMapper");rn("vtkStickMapper",Rm);const Vm=Object.create(null);function Em(e,t){Vm[e]=t}function Dm(e,t){t.classHierarchy.push("vtkWebGPUViewNodeFactory")}const Lm={};function Bm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Lm,n),t.overrides=Vm,tn.extend(e,t,n),Dm(0,t)}var Nm={newInstance:jt.newInstance(Bm,"vtkWebGPUViewNodeFactory"),extend:Bm};function km(e,t){t.classHierarchy.push("vtkWebGPUCamera"),e.getProjectionMatrix=(e,n,r,o)=>{if(g(e),t.renderable.getParallelProjection()){const a=t.renderable.getParallelScale(),i=a*n,s=a,l=(o[0]-1)*i,c=(o[0]+1)*i,u=(o[1]-1)*s,d=(o[1]+1)*s,p=1/(c-l),f=1/(d-u);e[0]=2*p,e[5]=2*f,e[10]=1/(r[1]-r[0]),e[12]=(c+l)*p,e[13]=(d+u)*f,e[14]=r[1]/(r[1]-r[0])}else{const a=Math.tan(Math.PI*t.renderable.getViewAngle()/360);let i,s;!0===t.renderable.getUseHorizontalViewAngle()?(i=r[0]*a,s=r[0]*a/n):(i=r[0]*a*n,s=r[0]*a);const l=(o[0]-1)*i,c=(o[0]+1)*i,u=(o[1]-1)*s,d=(o[1]+1)*s;e[0]=2*r[0]/(c-l),e[5]=2*r[0]/(d-u),e[12]=(l+c)/(c-l),e[13]=(u+d)/(d-u),e[10]=0,e[14]=r[0],e[11]=-1,e[15]=0}},e.convertToOpenGLDepth=e=>{if(t.renderable.getParallelProjection())return 1-e;const n=t.renderable.getClippingRangeByReference();let r=-n[0]/e;return r=(n[0]+n[1])/(n[1]-n[0])+2*n[0]*n[1]/(r*(n[1]-n[0])),.5*r+.5},e.getKeyMatrices=n=>{const r=n.getRenderable(),o=n.getParent();if(Math.max(o.getMTime(),e.getMTime(),r.getMTime(),t.renderable.getMTime(),n.getStabilizedTime())>t.keyMatrixTime.getMTime()){const r=t.renderable.getViewMatrix();d(t.keyMatrices.normalMatrix,r),t.keyMatrices.normalMatrix[3]=0,t.keyMatrices.normalMatrix[7]=0,t.keyMatrices.normalMatrix[11]=0,h(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix),m(t.keyMatrices.wcvc,r);const o=n.getStabilizedCenterByReference();x(t.keyMatrices.scvc,t.keyMatrices.wcvc,o);const a=n.getAspectRatio(),i=t.renderable.getClippingRangeByReference();e.getProjectionMatrix(t.keyMatrices.vcpc,a,i,t.renderable.getWindowCenterByReference()),b(t.keyMatrices.scpc,t.keyMatrices.vcpc,t.keyMatrices.scvc),h(t.keyMatrices.pcsc,t.keyMatrices.scpc),t.keyMatrixTime.modified()}return t.keyMatrices}}const Fm={keyMatrixTime:null,keyMatrices:null};const _m=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fm,n),Zt.extend(e,t,n),t.keyMatrixTime={},jt.obj(t.keyMatrixTime),t.keyMatrices={normalMatrix:new Float64Array(16),vcpc:new Float64Array(16),pcsc:new Float64Array(16),wcvc:new Float64Array(16),scpc:new Float64Array(16),scvc:new Float64Array(16)},jt.setGet(e,t,["keyMatrixTime"]),km(e,t)}));function Gm(e,t){t.classHierarchy.push("vtkWebGPUBindGroup"),e.setBindables=n=>{if(t.bindables.length===n.length){let e=!0;for(let r=0;r{const n=[];for(let e=0;e{let r=e.getMTime();for(let e=0;er?n:r}if(r{const n=[],r=e.getBindGroupLayoutCount(t.label);for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Um,n),jt.obj(e,t),t.bindables=[],t.bindGroupTime={},jt.obj(t.bindGroupTime,{mtime:0}),jt.get(e,t,["bindGroupTime","handle","sizeInBytes","usage"]),jt.setGet(e,t,["label","device","arrayInformation"]),Gm(e,t)}var 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Ah(e,t){t.classHierarchy.push("vtkWebGPUFullScreenQuad"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position"),r.addOutput("vec4","vertexVC");let o=r.getCode();o=Zm.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4(vertexBC, 1.0);","output.vertexVC = vec4(vertexBC, 1);"]).result,r.setCode(o)},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.updateBuffers=()=>{const e=t.device.getBufferManager().getFullScreenQuadBuffer();t.vertexInput.addBuffer(e,["vertexBC"]),t.numberOfVertices=6}}const Ih={};function wh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ih,n),Ph.extend(e,t,n),Ah(e,t)}var 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0!==arguments[2]?arguments[2]:{};Object.assign(t,nv,n),yt(e,t),Pt(e,t,["device"]),tv(e,t)}var ov={newInstance:Et(rv),extend:rv,...Mh};const{BufferUsage:av}=ov,{vtkErrorMacro:iv}=jt;function sv(e,t){t.classHierarchy.push("vtkWebGPUStorageBuffer"),e.addEntry=(e,n)=>{if(t._bufferEntryNames.has(e))return void iv(`entry named ${e} already exists`);t._bufferEntryNames.set(e,t.bufferEntries.length);const r=ph(n);t.bufferEntries.push({name:e,type:n,sizeInBytes:r,offset:t.sizeInBytes,nativeType:fh(n)}),t.sizeInBytes+=r},e.send=e=>{if(!t._buffer){const n={nativeArray:t.Float32Array,usage:av.Storage,label:t.label};return t._buffer=e.getBufferManager().getBuffer(n),t.bindGroupTime.modified(),void t._sendTime.modified()}e.getHandle().queue.writeBuffer(t._buffer.getHandle(),0,t.arrayBuffer,0,t.sizeInBytes*t.numberOfInstances),t._sendTime.modified()},e.createView=e=>{e in t==0&&(t.arrayBuffer||(t.arrayBuffer=new 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i=t[a.nativeType],s=r.length/t.numberOfInstances;for(let e=0;e{const o=t._bufferEntryNames.get(n);if(void 0===o)return void iv(`entry named ${n} not found in UBO`);const a=t.bufferEntries[o];e.createView(a.nativeType);const i=t[a.nativeType];for(let e=0;et._sendTime.getMTime(),e.getShaderCode=(e,n)=>{const r=[`struct ${t.label}StructEntry\n{`];for(let e=0;e,\n};\n@binding(${e}) @group(${n}) var ${t.label}: ${t.label}Struct;\n`),r.join("\n")},e.getBindGroupEntry=()=>({resource:{buffer:t._buffer.getHandle()}}),e.clearData=()=>{t.numberOfInstances=0,t.sizeInBytes=0,t.bufferEntries=[],t._bufferEntryNames=new Map,t._buffer=null,delete t.arrayBuffer,delete t.Float32Array}}const lv={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,numberOfInstances:1};function cv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,lv,n),jt.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t._sendTime={},jt.obj(t._sendTime,{mtime:0}),t.bindGroupTime={},jt.obj(t.bindGroupTime,{mtime:0}),t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"read-only-storage"}},jt.get(e,t,["bindGroupTime"]),jt.setGet(e,t,["device","bindGroupLayoutEntry","label","numberOfInstances","sizeInBytes"]),sv(e,t)}var uv={newInstance:jt.newInstance(cv,"vtkWebGPUStorageBuffer"),extend:cv};const{BufferUsage:dv}=ov,{vtkErrorMacro:pv}=jt;function fv(e,t){t.classHierarchy.push("vtkWebGPUUniformBuffer"),e.addEntry=(e,n)=>{t._bufferEntryNames.has(e)?pv(`entry named ${e} already exists`):(t.sortDirty=!0,t._bufferEntryNames.set(e,t.bufferEntries.length),t.bufferEntries.push({name:e,type:n,sizeInBytes:ph(n),offset:-1,nativeType:fh(n),packed:!1}))},e.sortBufferEntries=()=>{if(!t.sortDirty)return;let e=0;const n=[];let r=4;for(let e=0;e4&&(o.packed=!0,o.offset=e,n.push(o),e+=o.sizeInBytes)}for(let r=0;r{if(!t.UBO){const 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e=0;e({resource:{buffer:t.UBO.getHandle()}}),e.getSendTime=()=>t.sendTime.getMTime(),e.getShaderCode=(n,r)=>{e.sortBufferEntries();const o=[`struct ${t.label}Struct\n{`];for(let e=0;e ${t.label}: ${t.label}Struct;`),o.join("\n")}}const gv={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,bindGroupLayoutEntry:null,bindGroupEntry:null};function mv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,gv,n),jt.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"uniform"}},t.sendTime={},jt.obj(t.sendTime,{mtime:0}),t.bindGroupTime={},jt.obj(t.bindGroupTime,{mtime:0}),t.sendDirty=!0,t.sortDirty=!0,jt.get(e,t,["binding","bindGroupTime"]),jt.setGet(e,t,["bindGroupLayoutEntry","device","label","sizeInBytes"]),fv(e,t)}var hv={newInstance:jt.newInstance(mv,"vtkWebGPUUniformBuffer"),extend:mv};const{vtkDebugMacro:vv}=Kt,yv="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = mapperUBO.BackgroundColor;\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n",bv=new Float64Array(16),xv=new Float64Array(16);function Tv(e,t){t.classHierarchy.push("vtkWebGPURenderer"),e.buildPass=n=>{if(n){if(!t.renderable)return;t.camera=t.renderable.getActiveCamera(),e.updateLights(),e.prepareNodes(),e.addMissingNode(t.camera),e.addMissingNodes(t.renderable.getViewPropsWithNestedProps()),e.removeUnusedNodes(),t.webgpuCamera=e.getViewNodeFor(t.camera),e.updateStabilizedMatrix()}},e.updateStabilizedMatrix=()=>{const e=t.camera.getClippingRange(),n=t.camera.getPositionByReference(),r=[],o=[];On(o,t.camera.getDirectionOfProjectionByReference(),.5*(e[0]+e[1])),In(r,n,o),kn(o,r,t.stabilizedCenter),Fn(o)/(e[1]-e[0])>t.recenterThreshold&&(t.stabilizedCenter=r,t.stabilizedTime.modified())},e.updateLights=()=>{let e=0;const n=t.renderable.getLightsByReference();for(let t=0;t0&&e++;return e||(vv("No lights are on, creating one."),t.renderable.createLight()),e},e.updateUBO=()=>{const n=t.UBO.getSendTime();if(t._parent.getMTime()>n||e.getMTime()>n||t.camera.getMTime()>n||t.renderable.getMTime()>n){const n=t.webgpuCamera.getKeyMatrices(e);t.UBO.setArray("WCVCMatrix",n.wcvc),t.UBO.setArray("SCPCMatrix",n.scpc),t.UBO.setArray("PCSCMatrix",n.pcsc),t.UBO.setArray("SCVCMatrix",n.scvc),t.UBO.setArray("VCPCMatrix",n.vcpc),t.UBO.setArray("WCVCNormals",n.normalMatrix),t.UBO.setValue("LightCount",t.renderable.getLights().length),t.UBO.setValue("MaxEnvironmentMipLevel",t.renderable.getEnvironmentTexture()?.getMipLevel()),t.UBO.setValue("BackgroundDiffuseStrength",t.renderable.getEnvironmentTextureDiffuseStrength()),t.UBO.setValue("BackgroundSpecularStrength",t.renderable.getEnvironmentTextureSpecularStrength());const r=e.getYInvertedTiledSizeAndOrigin();t.UBO.setArray("viewportSize",[r.usize,r.vsize]),t.UBO.setValue("cameraParallel",t.camera.getParallelProjection());const o=t._parent.getDevice();t.UBO.sendIfNeeded(o)}},e.updateSSBO=()=>{const n=t.renderable.getLights(),r=t.webgpuCamera.getKeyMatrices(e);let o=`${t.renderable.getMTime()}`;for(let e=0;e=90?0:2:1,s[l+1]=Math.cos(Mo(n[t].getConeAngle())),s[l+2]=Math.cos(Mo(n[t].getConeAngle()+n[t].getConeFalloff())),s[l+3]=0}t.SSBO.clearData(),t.SSBO.setNumberOfInstances(n.length),t.SSBO.addEntry("LightPos","vec4"),t.SSBO.addEntry("LightDir","vec4"),t.SSBO.addEntry("LightColor","vec4"),t.SSBO.addEntry("LightData","vec4"),t.SSBO.setAllInstancesFromArray("LightPos",e),t.SSBO.setAllInstancesFromArray("LightDir",o),t.SSBO.setAllInstancesFromArray("LightColor",i),t.SSBO.setAllInstancesFromArray("LightData",s);const l=t._parent.getDevice();t.SSBO.send(l)}var a;t.lightTimeString=o},e.scissorAndViewport=t=>{const n=e.getYInvertedTiledSizeAndOrigin();t.getHandle().setViewport(n.lowerLeftU,n.lowerLeftV,n.usize,n.vsize,0,1),t.getHandle().setScissorRect(n.lowerLeftU,n.lowerLeftV,n.usize,n.vsize)},e.bindUBO=e=>{e.activateBindGroup(t.bindGroup)},e.opaquePass=n=>{n?(t.renderEncoder.begin(t._parent.getCommandEncoder()),e.updateUBO(),e.updateSSBO()):(e.scissorAndViewport(t.renderEncoder),e.clear(),t.renderEncoder.end())},e.clear=()=>{if(t.renderable.getTransparent()||t.suppressClear)return;const n=t._parent.getDevice();if(!t.clearFSQ){t.clearFSQ=Oh.newInstance(),t.clearFSQ.setDevice(n),t.clearFSQ.setPipelineHash("clearfsq"),t.clearFSQ.setFragmentShaderTemplate(yv);const e=hv.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e),t.backgroundTex=t.renderable.getEnvironmentTexture()}if("clearfsqwithtexture"!==t.clearFSQ.getPipelineHash()&&t.renderable.getUseEnvironmentTextureAsBackground()&&t.backgroundTex?.getImageLoaded()){t.clearFSQ.setFragmentShaderTemplate("\nfn vecToRectCoord(dir: vec3) -> vec2 {\n var tau: f32 = 6.28318530718;\n var pi: f32 = 3.14159265359;\n var out: vec2 = vec2(0.0);\n\n out.x = atan2(dir.z, dir.x) / tau;\n out.x += 0.5;\n\n var phix: f32 = length(vec2(dir.x, dir.z));\n out.y = atan2(dir.y, phix) / pi + 0.5;\n\n return out;\n}\n\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var tcoord: vec4 = vec4(input.vertexVC.xy, -1, 1);\n var V: vec4 = normalize(mapperUBO.FSQMatrix * 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if("clearfsqwithtexture"===t.clearFSQ.getPipelineHash()&&!t.renderable.getUseEnvironmentTextureAsBackground()){t.clearFSQ=Oh.newInstance(),t.clearFSQ.setDevice(n),t.clearFSQ.setPipelineHash("clearfsq"),t.clearFSQ.setFragmentShaderTemplate(yv);const e=hv.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e)}const r=t.webgpuCamera.getKeyMatrices(e),o=t.renderable.getBackgroundByReference();t.clearFSQ.getUBO().setArray("BackgroundColor",o),m(xv,r.normalMatrix),oe(bv,r.scvc,r.pcsc),oe(bv,xv,bv),t.clearFSQ.getUBO().setArray("FSQMatrix",bv),t.clearFSQ.getUBO().sendIfNeeded(n),t.clearFSQ.prepareAndDraw(t.renderEncoder)},e.translucentPass=n=>{n?t.renderEncoder.begin(t._parent.getCommandEncoder()):(e.scissorAndViewport(t.renderEncoder),t.renderEncoder.end())},e.volumeDepthRangePass=n=>{n?t.renderEncoder.begin(t._parent.getCommandEncoder()):(e.scissorAndViewport(t.renderEncoder),t.renderEncoder.end())},e.getAspectRatio=()=>{const e=t._parent.getSizeByReference(),n=t.renderable.getViewportByReference();return e[0]*(n[2]-n[0])/((n[3]-n[1])*e[1])},e.convertToOpenGLDepth=e=>t.webgpuCamera.convertToOpenGLDepth(e),e.getYInvertedTiledSizeAndOrigin=()=>{const n=e.getTiledSizeAndOrigin(),r=t._parent.getSizeByReference();return n.lowerLeftV=r[1]-n.vsize-n.lowerLeftV,n},e.getTiledSizeAndOrigin=()=>{const e=t.renderable.getViewportByReference(),n=[0,0,1,1],r=e[0]-n[0],o=e[1]-n[1],a=t._parent.normalizedDisplayToDisplay(r,o),i=Math.round(a[0]),s=Math.round(a[1]),l=e[2]-n[0],c=e[3]-n[1],u=t._parent.normalizedDisplayToDisplay(l,c);let d=Math.round(u[0])-i,p=Math.round(u[1])-s;return d<0&&(d=0),p<0&&(p=0),{usize:d,vsize:p,lowerLeftU:i,lowerLeftV:s}},e.getPropFromID=e=>{for(let n=0;nt.stabilizedTime.getMTime(),e.releaseGraphicsResources=()=>{null!==t.selector&&t.selector.releaseGraphicsResources()}}const Cv={bindGroup:null,selector:null,renderEncoder:null,recenterThreshold:20,suppressClear:!1,stabilizedCenter:[0,0,0]};const Sv=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Cv,n),Zt.extend(e,t,n),t.UBO=hv.newInstance({label:"rendererUBO"}),t.UBO.addEntry("WCVCMatrix","mat4x4"),t.UBO.addEntry("SCPCMatrix","mat4x4"),t.UBO.addEntry("PCSCMatrix","mat4x4"),t.UBO.addEntry("SCVCMatrix","mat4x4"),t.UBO.addEntry("VCPCMatrix","mat4x4"),t.UBO.addEntry("WCVCNormals","mat4x4"),t.UBO.addEntry("viewportSize","vec2"),t.UBO.addEntry("LightCount","i32"),t.UBO.addEntry("MaxEnvironmentMipLevel","f32"),t.UBO.addEntry("BackgroundDiffuseStrength","f32"),t.UBO.addEntry("BackgroundSpecularStrength","f32"),t.UBO.addEntry("cameraParallel","u32"),t.SSBO=uv.newInstance({label:"rendererLightSSBO"}),t.lightTimeString="",t.bindGroup=Wm.newInstance({label:"rendererBG"}),t.bindGroup.setBindables([t.UBO,t.SSBO]),t.tmpMat4=g(new Float64Array(16)),t.stabilizedTime={},yt(t.stabilizedTime,{mtime:0}),xt(e,t,["bindGroup","stabilizedTime"]),At(e,t,["stabilizedCenter"]),Pt(e,t,["renderEncoder","selector","suppressClear","UBO"]),Tv(e,t)}),"vtkWebGPURenderer");Em("vtkRenderer",Sv);const{CoordinateSystem:Pv}=Zi;function Av(e,t){t.classHierarchy.push("vtkWebGPUActor"),e.buildPass=n=>{n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes())},e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t.WebGPURenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children[0]&&t.children[0].traverse(n),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t.WebGPURenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children[0]&&t.children[0].traverse(n),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.getBufferShift=n=>(e.getKeyMatrices(n),t.bufferShift),e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix();t.bufferShift[0]=n[3],t.bufferShift[1]=n[7],t.bufferShift[2]=n[11];const r=e.getStabilizedCenterByReference();t.renderable.getCoordinateSystem()===Pv.WORLD&&(t.bufferShift[0]-=r[0],t.bufferShift[1]-=r[1],t.bufferShift[2]-=r[2]),m(t.keyMatrices.bcwc,n),t.renderable.getIsIdentity()?g(t.keyMatrices.normalMatrix):(d(t.keyMatrices.normalMatrix,t.keyMatrices.bcwc),t.keyMatrices.normalMatrix[3]=0,t.keyMatrices.normalMatrix[7]=0,t.keyMatrices.normalMatrix[11]=0,h(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix),m(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix)),x(t.keyMatrices.bcwc,t.keyMatrices.bcwc,[-t.bufferShift[0],-t.bufferShift[1],-t.bufferShift[2]]),t.renderable.getCoordinateSystem()===Pv.WORLD?x(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]):d(t.keyMatrices.bcsc,t.keyMatrices.bcwc),t.keyMatricesTime.modified()}return t.keyMatrices}}const Iv={keyMatricesTime:null,keyMatrices:null,propID:void 0,bufferShift:void 0};const wv=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Iv,n),Zt.extend(e,t,n),t.keyMatricesTime={},jt.obj(t.keyMatricesTime,{mtime:0}),t.keyMatrices={normalMatrix:new Float64Array(16),bcwc:new Float64Array(16),bcsc:new Float64Array(16)},jt.get(e,t,["propID","keyMatricesTime"]),t.bufferShift=[0,0,0,0],Av(e,t)}));Em("vtkActor",wv);const{CoordinateSystem:Ov}=Zi;function Mv(e,t){t.classHierarchy.push("vtkWebGPUActor2D"),e.buildPass=n=>{n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes())},e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t.WebGPURenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children[0]&&t.children[0].traverse(n),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t.WebGPURenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children[0]&&t.children[0].traverse(n),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.getBufferShift=n=>(e.getKeyMatrices(n),t.bufferShift),e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.bufferShift[0]=0,t.bufferShift[1]=0,t.bufferShift[2]=0;const n=e.getStabilizedCenterByReference();t.renderable.getCoordinateSystem()===Ov.WORLD&&(t.bufferShift[0]-=n[0],t.bufferShift[1]-=n[1],t.bufferShift[2]-=n[2]),g(t.keyMatrices.bcwc),g(t.keyMatrices.normalMatrix),x(t.keyMatrices.bcwc,t.keyMatrices.bcwc,[-t.bufferShift[0],-t.bufferShift[1],-t.bufferShift[2]]),t.renderable.getCoordinateSystem()===Ov.WORLD?x(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-n[0],-n[1],-n[2]]):d(t.keyMatrices.bcsc,t.keyMatrices.bcwc),t.keyMatricesTime.modified()}return t.keyMatrices}}const Rv={keyMatricesTime:null,keyMatrices:null,propID:void 0,bufferShift:void 0};const Vv=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Rv,n),Zt.extend(e,t,n),t.keyMatricesTime={},jt.obj(t.keyMatricesTime,{mtime:0}),t.keyMatrices={normalMatrix:new Float64Array(16),bcwc:new Float64Array(16),bcsc:new Float64Array(16)},jt.get(e,t,["propID","keyMatricesTime"]),t.bufferShift=[0,0,0,0],Mv(e,t)}));function Ev(e,t){t.classHierarchy.push("vtkWebGPUCubeAxesActor"),e.buildPass=n=>{n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent(),t.CubeAxesActorHelper.getRenderable()||t.CubeAxesActorHelper.setRenderable(t.renderable),e.prepareNodes(),e.addMissingNode(t.CubeAxesActorHelper.getTmActor()),e.addMissingNode(t.renderable.getGridActor()),e.removeUnusedNodes())},e.opaquePass=(e,n)=>{if(e){const e=t.WebGPURenderer?t.WebGPURenderer.getRenderable().getActiveCamera():null,n=t.WebGPURenderer.getTiledSizeAndOrigin();t.CubeAxesActorHelper.updateAPISpecificData([n.usize,n.vsize],e,t.WebGPURenderWindow.getRenderable())}}}Em("vtkActor2D",Vv);const Dv={};const Lv=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Dv,n),Zt.extend(e,t,n),t.CubeAxesActorHelper=Gu.newCubeAxesActorHelper(),Ev(e,t)}),"vtkWebGPUCubeAxesActor");Em("vtkCubeAxesActor",Lv);const{DisplayLocation:Bv}=fp;function Nv(e,t){t.classHierarchy.push("vtkProperty2D"),e.setDisplayLocationToBackground=()=>e.setDisplayLocation(Bv.BACKGROUND),e.setDisplayLocationToForeground=()=>e.setDisplayLocation(Bv.FOREGROUND),e.setRepresentationToWireframe=()=>e.setRepresentation(rs.WIREFRAME),e.setRepresentationToSurface=()=>e.setRepresentation(rs.SURFACE),e.setRepresentationToPoints=()=>e.setRepresentation(rs.POINTS),e.getRepresentationAsString=()=>jt.enumToString(rs,t.representation)}const kv={color:[1,1,1],opacity:1,pointSize:1,lineWidth:1,representation:rs.SURFACE,displayLocation:Bv.FOREGROUND};function Fv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,kv,n),jt.obj(e,t),jt.setGet(e,t,["opacity","lineWidth","pointSize","displayLocation","representation"]),jt.setGetArray(e,t,["color"],3),Nv(e,t)}var _v={newInstance:jt.newInstance(Fv,"vtkProperty2D"),extend:Fv,...fp};const{BufferUsage:Gv,PrimitiveTypes:Uv}=ov,{Representation:zv}=ds,{ScalarMode:Wv}=oc,{CoordinateSystem:Hv}=Zi,{DisplayLocation:jv}=_v,Kv="\n//VTK::Renderer::Dec\n\n//VTK::Color::Dec\n\n//VTK::Normal::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Select::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::IOStructs::Dec\n\n@vertex\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output : vertexOutput;\n\n var vertex: vec4 = vertexBC;\n\n //VTK::Color::Impl\n\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Select::Impl\n\n //VTK::Position::Impl\n\n return output;\n}\n",$v='\nstruct PBRData {\n diffuse: vec3,\n specular: vec3,\n}\n\n// Dot product with the max already in it\nfn mdot(a: vec3, b: vec3) -> f32 {\n return max(0.0, dot(a, b));\n}\n// Dot product with a max in it that does not allow for negative values\n// Physically based rendering is accurate as long as normals are accurate,\n// however this is pretty often not the case. In order to prevent negative\n// values from ruining light calculations and creating zones of zero light,\n// this remapping is used, which smoothly clamps the dot product between\n// zero and one while still maintaining a good amount of accuracy.\nfn cdot(a: vec3, b: vec3) -> f32 {\n var d: f32 = max(0.0, dot(a, b));\n d = pow((d + 1) / 2.0, 2.6);\n return d;\n}\n\n// Lambertian diffuse model\nfn lambertDiffuse(base: vec3, N: vec3, L: vec3) -> vec3 {\n var pi: f32 = 3.14159265359; \n var NdotL: f32 = mdot(N, L);\n NdotL = pow(NdotL, 1.5);\n return (base/pi)*NdotL;\n}\n\n// Yasuhiro Fujii improvement on the Oren-Nayar model\n// https://mimosa-pudica.net/improved-oren-nayar.html\n// p is surface color, o is roughness\nfn fujiiOrenNayar(p: vec3, o: f32, N: vec3, L: vec3, V: vec3) -> vec3 {\n var invpi: f32 = 0.31830988618; // 1/pi\n\n var o2 = o*o;\n var NdotL: f32 = mdot(N, L);\n NdotL = pow(NdotL, 1.5); // Less physically accurate, but hides the "seams" between lights better\n\n var NdotV: f32 = mdot(N, V);\n var LdotV: f32 = mdot(L, V);\n\n var s: f32 = LdotV - NdotL*NdotV;\n var t: f32 = mix(1, max(NdotL, NdotV), step(0, s)); // Mix with step is the equivalent of an if statement\n var A: vec3 = 0.5*(o2 / (o2 + 0.33)) + 0.17*p*(o2 / (o2 + 0.13));\n A = invpi*(1 - A);\n var B: f32 = 0.45*(o2 / (o2 + 0.09));\n B = invpi*B;\n\n return p*NdotL*(A + B*(s/t));\n}\n\n// Fresnel portion of BRDF (IOR only, simplified)\nfn schlickFresnelIOR(V: vec3, N: vec3, ior: f32, k: f32) -> f32 {\n var NdotV: f32 = mdot(V, N);\n var F0: f32 = (pow((ior - 1.0), 2) + k*k) / (pow((ior + 1.0), 2) + k*k); // This takes into account the roughness, which the other one does not\n return F0 + (1 - F0) * pow((1-NdotV), 5); \n}\n\n// Fresnel portion of BRDF (Color ior, better)\nfn schlickFresnelRGB(V: vec3, N: vec3, F0: vec3) -> vec3 {\n var NdotV: f32 = mdot(V, N);\n return F0 + (1 - F0) * pow((1-NdotV), 5); \n}\n\n// Normal portion of BRDF\n// https://learnopengl.com/PBR/Theory\n// Trowbridge-Reitz GGX functions: normal, halfway, roughness^2\nfn trGGX(N: vec3, H: vec3, a: f32) -> f32 {\n var pi: f32 = 3.14159265359; \n\n var a2: f32 = a*a;\n var NdotH = mdot(N, H);\n var NdotH2 = NdotH*NdotH;\n \n var denom: f32 = NdotH2 * (a2 - 1.0) + 1.0;\n\n return a2 / max((pi*denom*denom), 0.000001);\n}\n\n// A VERY bad approximation of anisotropy. Real anisotropic calculations require tangent and bitangent\nfn anisotrophicTrGGX(N: vec3, H: vec3, O: vec3, s: f32, a: f32) -> f32 {\n var Op: vec3 = (rendererUBO.WCVCNormals * vec4(normalize(O) * s, 0.)).xyz;\n\n var ggx1: f32 = trGGX(N + Op*s, H, a);\n var ggx2: f32 = trGGX(N - Op*s, H, a);\n return (0.5 * ggx1 + 0.5 * ggx2);\n}\n\n// Geometry portion of BRDF\nfn schlickGGX(N: vec3, X: vec3, k: f32) -> f32 {\n var NdotX = cdot(N, X);\n return NdotX / max(0.000001, (NdotX*(1-k) + k));\n}\n\nfn smithSurfaceRoughness(N: vec3, V: vec3, L: vec3, k: f32) -> f32 {\n var ggx1: f32 = min(1, schlickGGX(N, V, k));\n var ggx2: f32 = min(1, schlickGGX(N, L, k));\n return ggx1*ggx2;\n}\n\n// BRDF Combination\nfn cookTorrance(D: f32, F: f32, G: f32, N: vec3, V: vec3, L: vec3) -> f32 {\n var num: f32 = D*F*G;\n var denom: f32 = 4*cdot(V, N)*cdot(L, N);\n\n return num / max(denom, 0.000001);\n}\n\n// Different lighting calculations for different light sources\nfn calcDirectionalLight(N: vec3, V: vec3, ior: f32, roughness: f32, metallic: f32, direction: vec3, color: vec3, base: vec3) -> PBRData { \n var L: vec3 = normalize(direction); // Light Vector\n var H: vec3 = normalize(L + V); // Halfway Vector\n\n var alpha = roughness*roughness;\n var k: f32 = alpha*alpha / 2;\n\n var D: f32 = trGGX(N, H, alpha); // Distribution\n // var F: f32 = schlickFresnelIOR(V, N, ior, k); // Fresnel\n var G: f32 = smithSurfaceRoughness(N, V, L, k); // Geometry\n\n var brdf: f32 = cookTorrance(D, 1, G, N, V, L); // Fresnel term is replaced with 1 because it is added later\n var incoming: vec3 = color;\n var angle: f32 = mdot(L, N);\n angle = pow(angle, 1.5);\n\n var specular: vec3 = brdf*incoming*angle;\n // Oren-Nayar gives a clay-like effect when fully rough which some people may not want, so it might be better to give a separate\n // control property for the diffuse vs specular roughness\n var diffuse: vec3 = incoming*fujiiOrenNayar(base, roughness, N, L, V); \n // Stores the specular and diffuse separately to allow for finer post processing\n var out = PBRData(diffuse, specular);\n \n return out; // Returns angle along with color of light so the final color can be multiplied by angle as well (creates black areas)\n}\n\n// TODO: find some way to reduce the number of arguments going in here\nfn calcPointLight(N: vec3, V: vec3, fragPos: vec3, ior: f32, roughness: f32, metallic: f32, position: vec3, color: vec3, base: vec3) -> PBRData {\n var L: vec3 = normalize(position - fragPos); // Light Vector\n var H: vec3 = normalize(L + V); // Halfway Vector\n var dist = distance(position, fragPos);\n\n var alpha = roughness*roughness;\n var k: f32 = alpha*alpha / 2; // could also be pow(alpha + 1.0, 2) / 8\n\n var D: f32 = trGGX(N, H, alpha); // Distribution\n // var F: f32 = schlickFresnelIOR(V, N, ior, k); // Fresnel\n var G: f32 = smithSurfaceRoughness(N, V, L, k); // Geometry\n\n var brdf: f32 = cookTorrance(D, 1, G, N, V, L); \n var incoming: vec3 = color * (1. / (dist*dist));\n var angle: f32 = mdot(L, N);\n angle = pow(angle, 1.5); // Smoothing factor makes it less accurate, but reduces ugly "seams" bewteen light sources\n\n var specular: vec3 = brdf*incoming*angle;\n var diffuse: vec3 = incoming*fujiiOrenNayar(base, roughness, N, L, V);\n\n // Stores the specular and diffuse separately to allow for finer post processing\n // Could also be done (propably more properly) with a struct\n var out = PBRData(diffuse, specular);\n \n return out; // Returns angle along with color of light so the final color can be multiplied by angle as well (creates black areas)\n}\n\n// For a reason unknown to me, spheres dont seem to behave propperly with head-on spot lights\nfn calcSpotLight(N: vec3, V: vec3, fragPos: vec3, ior: f32, roughness: f32, metallic: f32, position: vec3, direction: vec3, cones: vec2, color: vec3, base: vec3) -> PBRData {\n var L: vec3 = normalize(position - fragPos);\n var H: vec3 = normalize(L + V); // Halfway Vector\n var dist = distance(position, fragPos);\n\n var alpha = roughness*roughness;\n var k: f32 = alpha*alpha / 2; // could also be pow(alpha + 1.0, 2) / 8\n\n var D: f32 = trGGX(N, H, alpha); // Distribution\n // var F: f32 = schlickFresnelIOR(V, N, ior, k); // Fresnel\n var G: f32 = smithSurfaceRoughness(N, V, L, k); // Geometry\n\n var brdf: f32 = cookTorrance(D, 1, G, N, V, L); \n \n // Cones.x is the inner phi and cones.y is the outer phi\n var theta: f32 = mdot(normalize(direction), L);\n var epsilon: f32 = cones.x - cones.y;\n var intensity: f32 = (theta - cones.y) / epsilon;\n intensity = clamp(intensity, 0.0, 1.0);\n intensity /= dist*dist;\n\n var incoming: vec3 = color * intensity;\n\n var angle: f32 = mdot(L, N);\n angle = pow(angle, 1.5); // Smoothing factor makes it less accurate, but reduces ugly "seams" bewteen light sources\n\n var specular: vec3 = brdf*incoming*angle;\n var diffuse: vec3 = incoming*fujiiOrenNayar(base, roughness, N, L, V);\n\n // Stores the specular and diffuse separately to allow for finer post processing\n // Could also be done (propably more properly) with a struct\n var out = PBRData(diffuse, specular);\n \n return out; // Returns angle along with color of light so the final color can be multiplied by angle as well (creates black areas)\n}\n\n// Environment mapping stuff\n// Takes in a vector and converts it to an equivalent coordinate in a rectilinear texture. Should be replaced with cubemaps at some point\nfn vecToRectCoord(dir: vec3) -> vec2 {\n var tau: f32 = 6.28318530718;\n var pi: f32 = 3.14159265359;\n var out: vec2 = vec2(0.0);\n\n out.x = atan2(dir.z, dir.x) / tau;\n out.x += 0.5;\n\n var phix: f32 = length(vec2(dir.x, dir.z));\n out.y = atan2(dir.y, phix) / pi + 0.5;\n\n return out;\n}\n\n//VTK::Renderer::Dec\n\n//VTK::Color::Dec\n\n//VTK::TCoord::Dec\n\n// optional surface normal declaration\n//VTK::Normal::Dec\n\n//VTK::Select::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output : fragmentOutput;\n\n // Temporary ambient, diffuse, and opacity\n var ambientColor: vec4 = mapperUBO.AmbientColor;\n var diffuseColor: vec4 = mapperUBO.DiffuseColor;\n var opacity: f32 = mapperUBO.Opacity;\n\n // This should be declared somewhere else\n var _diffuseMap: vec4 = vec4(1);\n var _roughnessMap: vec4 = vec4(1);\n var _metallicMap: vec4 = vec4(1);\n var _normalMap: vec4 = vec4(0, 0, 1, 0); // normal map was setting off the normal vector detection in fragment\n var _ambientOcclusionMap: vec4 = vec4(1);\n var _emissionMap: vec4 = vec4(0);\n\n //VTK::Color::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Normal::Impl\n\n var computedColor: vec4 = vec4(diffuseColor.rgb, 1.0);\n\n //VTK::Light::Impl\n\n //VTK::Select::Impl\n\n if (computedColor.a == 0.0) { discard; };\n\n //VTK::Position::Impl\n\n //VTK::RenderEncoder::Impl\n\n return output;\n}\n';function qv(e){return e.indexOf("edge")>=0}function Xv(e,t){t.classHierarchy.push("vtkWebGPUCellArrayMapper"),e.buildPass=n=>{n&&(t.is2D?(t.WebGPUActor=e.getFirstAncestorOfType("vtkWebGPUActor2D"),t.forceZValue=!0):(t.WebGPUActor=e.getFirstAncestorOfType("vtkWebGPUActor"),t.forceZValue=!1),t.coordinateSystem=t.WebGPUActor.getRenderable().getCoordinateSystem(),t.useRendererMatrix=t.coordinateSystem!==Hv.DISPLAY,t.WebGPURenderer=t.WebGPUActor.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent(),t.device=t.WebGPURenderWindow.getDevice())},e.translucentPass=n=>{n&&(e.prepareToDraw(t.WebGPURenderer.getRenderEncoder()),t.renderEncoder.registerDrawCallback(t.pipeline,e.draw))},e.opaquePass=n=>{n&&(e.prepareToDraw(t.WebGPURenderer.getRenderEncoder()),t.renderEncoder.registerDrawCallback(t.pipeline,e.draw))},e.updateUBO=()=>{const n=t.WebGPUActor.getRenderable().getProperty(),r=t.UBO.getSendTime();if(e.getMTime()>r||n.getMTime()>r||t.renderable.getMTime()>r){const e=t.WebGPUActor.getKeyMatrices(t.WebGPURenderer);if(t.UBO.setArray("BCWCMatrix",e.bcwc),t.UBO.setArray("BCSCMatrix",e.bcsc),t.UBO.setArray("MCWCNormals",e.normalMatrix),t.is2D){t.UBO.setValue("ZValue",t.WebGPUActor.getRenderable().getProperty().getDisplayLocation()===jv.FOREGROUND?1:0);const e=n.getColorByReference();t.UBO.setValue("AmbientIntensity",1),t.UBO.setArray("DiffuseColor",[e[0],e[1],e[2],1]),t.UBO.setValue("DiffuseIntensity",0),t.UBO.setValue("SpecularIntensity",0)}else{let e=n.getAmbientColorByReference();t.UBO.setValue("AmbientIntensity",n.getAmbient()),t.UBO.setArray("AmbientColor",[e[0],e[1],e[2],1]),t.UBO.setValue("DiffuseIntensity",n.getDiffuse()),e=n.getDiffuseColorByReference(),t.UBO.setArray("DiffuseColor",[e[0],e[1],e[2],1]),t.UBO.setValue("Roughness",n.getRoughness()),t.UBO.setValue("BaseIOR",n.getBaseIOR()),t.UBO.setValue("Metallic",n.getMetallic()),t.UBO.setValue("NormalStrength",n.getNormalStrength()),t.UBO.setValue("Emission",n.getEmission()),t.UBO.setValue("SpecularIntensity",n.getSpecular()),e=n.getSpecularColorByReference(),t.UBO.setArray("SpecularColor",[e[0],e[1],e[2],1])}const r=n.getEdgeColorByReference?.();r&&t.UBO.setArray("EdgeColor",[r[0],r[1],r[2],1]),t.UBO.setValue("LineWidth",n.getLineWidth()),t.UBO.setValue("Opacity",n.getOpacity()),t.UBO.setValue("PropID",t.WebGPUActor.getPropID());const o=t.WebGPURenderWindow.getDevice();t.UBO.sendIfNeeded(o)}},e.haveWideLines=()=>{const e=t.WebGPUActor.getRenderable(),n=e.getProperty().getRepresentation();return!(e.getProperty().getLineWidth()<=1)&&t.primitiveType!==Uv.Verts&&(t.primitiveType!==Uv.Triangles&&t.primitiveType!==Uv.TriangleStrips||n===zv.WIREFRAME)},e.replaceShaderPosition=(n,r,o)=>{const a=r.getShaderDescription("vertex");a.addBuiltinOutput("vec4","@builtin(position) Position"),a.hasOutput("vertexVC")||a.addOutput("vec4","vertexVC");let i=a.getCode();t.useRendererMatrix?(i=Zm.substitute(i,"//VTK::Position::Impl",[" var pCoord: vec4 = rendererUBO.SCPCMatrix*mapperUBO.BCSCMatrix*vertexBC;"," output.vertexVC = rendererUBO.SCVCMatrix * mapperUBO.BCSCMatrix * vec4(vertexBC.xyz, 1.0);","//VTK::Position::Impl"]).result,t.forceZValue&&(i=Zm.substitute(i,"//VTK::Position::Impl",["pCoord = vec4(pCoord.xyz/pCoord.w, 1.0);","pCoord.z = mapperUBO.ZValue;","//VTK::Position::Impl"]).result)):(i=Zm.substitute(i,"//VTK::Position::Impl",[" var pCoord: vec4 = mapperUBO.BCSCMatrix*vertexBC;"," pCoord.x = 2.0* pCoord.x / rendererUBO.viewportSize.x - 1.0;"," pCoord.y = 2.0* pCoord.y / rendererUBO.viewportSize.y - 1.0;"," pCoord.z = 0.5 - 0.5 * pCoord.z;","//VTK::Position::Impl"]).result,t.forceZValue&&(i=Zm.substitute(i,"//VTK::Position::Impl",[" pCoord.z = mapperUBO.ZValue;","//VTK::Position::Impl"]).result)),e.haveWideLines()&&(a.addBuiltinInput("u32","@builtin(instance_index) instanceIndex"),i=Zm.substitute(i,"//VTK::Position::Impl",[" var tmpPos: vec4 = pCoord;"," var numSteps: f32 = ceil(mapperUBO.LineWidth - 1.0);"," var offset: f32 = (mapperUBO.LineWidth - 1.0) * (f32(input.instanceIndex / 2u) - numSteps/2.0) / numSteps;"," var tmpPos2: vec3 = tmpPos.xyz / tmpPos.w;"," tmpPos2.x = tmpPos2.x + 2.0 * (f32(input.instanceIndex) % 2.0) * offset / rendererUBO.viewportSize.x;"," tmpPos2.y = tmpPos2.y + 2.0 * (f32(input.instanceIndex + 1u) % 2.0) * offset / rendererUBO.viewportSize.y;"," tmpPos2.z = min(1.0, tmpPos2.z + 0.00001);"," pCoord = vec4(tmpPos2.xyz * tmpPos.w, tmpPos.w);","//VTK::Position::Impl"]).result),i=Zm.substitute(i,"//VTK::Position::Impl",[" output.Position = pCoord;"]).result,a.setCode(i)},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderNormal=(e,n,r)=>{const o=r.getBuffer("normalMC"),a=t.WebGPUActor.getRenderable();if(o){const e=n.getShaderDescription("vertex");e.hasOutput("normalVC")||e.addOutput("vec3","normalVC",o.getArrayInformation()[0].interpolation),e.hasOutput("tangentVC")||e.addOutput("vec3","tangentVC",o.getArrayInformation()[0].interpolation),e.hasOutput("bitangentVC")||e.addOutput("vec3","bitangentVC",o.getArrayInformation()[0].interpolation);let t=e.getCode();t=Zm.substitute(t,"//VTK::Normal::Impl",[" output.normalVC = normalize((rendererUBO.WCVCNormals * mapperUBO.MCWCNormals * normalMC).xyz);"," var c1: vec3 = cross(output.normalVC, vec3(0, 0, 1));"," var c2: vec3 = cross(output.normalVC, vec3(0, 1, 0));"," var tangent: vec3 = mix(c1, c2, distance(c1, c2));"," output.tangentVC = normalize(tangent);"," output.bitangentVC = normalize(cross(output.normalVC, tangent));"]).result,e.setCode(t);const r=n.getShaderDescription("fragment");t=r.getCode(),t=a.getProperty().getNormalTexture()?Zm.substitute(t,"//VTK::Normal::Impl",[" var normal: vec3 = input.normalVC;"," if (!input.frontFacing) { normal = -normal; }"," var tangent: vec3 = input.tangentVC;"," var bitangent: vec3 = input.bitangentVC;"," var TCVCMatrix: mat3x3 = mat3x3("," tangent.x, bitangent.x, normal.x,"," tangent.y, bitangent.y, normal.y,"," tangent.z, bitangent.z, normal.z,"," );"," var mappedNormal: vec3 = TCVCMatrix * (_normalMap.xyz * 2 - 1);"," normal = mix(normal, mappedNormal, mapperUBO.NormalStrength);"," normal = normalize(normal);"]).result:Zm.substitute(t,"//VTK::Normal::Impl",[" var normal: vec3 = input.normalVC;"," if (!input.frontFacing) { normal = -normal; }"," normal = normalize(normal);"]).result,r.setCode(t)}},t.shaderReplacements.set("replaceShaderNormal",e.replaceShaderNormal),e.replaceShaderLight=(e,n,r)=>{if(e.includes("sel"))return;const o=n.getShaderDescription("vertex");o.hasOutput("vertexVC")||o.addOutput("vec4","vertexVC");const a=t.WebGPURenderer.getRenderable(),i=n.getShaderDescription("fragment");let s=i.getCode();if(!s.includes("var normal:")||!t.useRendererMatrix||qv(e)||t.is2D||e.includes("sel"))s=Zm.substitute(s,"//VTK::Light::Impl",[" var diffuse: vec3 = diffuseColor.rgb;"," var specular: vec3 = mapperUBO.SpecularColor.rgb * mapperUBO.SpecularColor.a;"," computedColor = vec4(diffuse * _diffuseMap.rgb, mapperUBO.Opacity);"]).result,i.setCode(s);else{const e=[" var pi: f32 = 3.14159265359;"," var fragPos: vec3 = vec3(input.vertexVC.xyz);"," var V: vec3 = mix(normalize(-fragPos), vec3(0, 0, 1), f32(rendererUBO.cameraParallel)); // View Vector"," var baseColor: vec3 = _diffuseMap.rgb * diffuseColor.rgb;"," var roughness: f32 = max(0.000001, mapperUBO.Roughness * _roughnessMap.r);"," var metallic: f32 = mapperUBO.Metallic * _metallicMap.r;"," var alpha: f32 = roughness*roughness;"," var ior: f32 = mapperUBO.BaseIOR;"," var k: f32 = alpha*alpha / 2;"," var diffuse: vec3 = vec3(0.);"," var specular: vec3 = vec3(0.);"," var emission: vec3 = _emissionMap.rgb * mapperUBO.Emission;"," {"," var i: i32 = 0;"," loop {"," if !(i < rendererUBO.LightCount) { break; }"," switch (i32(rendererLightSSBO.values[i].LightData.x)) {"," // Point Light"," case 0 {"," var color: vec3 = rendererLightSSBO.values[i].LightColor.rgb * rendererLightSSBO.values[i].LightColor.w;"," var pos: vec3 = (rendererLightSSBO.values[i].LightPos).xyz;"," var calculated: PBRData = calcPointLight(normal, V, fragPos, ior, roughness, metallic, pos, color, baseColor);"," diffuse += max(vec3(0), calculated.diffuse);"," specular += max(vec3(0), calculated.specular);"," }"," // Directional light"," case 1 {"," var dir: vec3 = (rendererUBO.WCVCNormals * vec4(normalize(rendererLightSSBO.values[i].LightDir.xyz), 0.)).xyz;"," dir = normalize(dir);"," var color: vec3 = rendererLightSSBO.values[i].LightColor.rgb * rendererLightSSBO.values[i].LightColor.w;"," var calculated: PBRData = calcDirectionalLight(normal, V, ior, roughness, metallic, dir, color, baseColor); // diffuseColor.rgb needs to be fixed with a more dynamic diffuse color"," diffuse += max(vec3(0), calculated.diffuse);"," specular += max(vec3(0), calculated.specular);"," }"," // Spot Light"," case 2 {"," var color: vec3 = rendererLightSSBO.values[i].LightColor.rgb * rendererLightSSBO.values[i].LightColor.w;"," var pos: vec3 = (rendererLightSSBO.values[i].LightPos).xyz;"," var dir: vec3 = (rendererUBO.WCVCNormals * vec4(normalize(rendererLightSSBO.values[i].LightDir.xyz), 0.)).xyz;"," dir = normalize(dir);"," var cones: vec2 = vec2(rendererLightSSBO.values[i].LightData.y, rendererLightSSBO.values[i].LightData.z);"," var calculated: PBRData = calcSpotLight(normal, V, fragPos, ior, roughness, metallic, pos, dir, cones, color, baseColor);"," diffuse += max(vec3(0), calculated.diffuse);"," specular += max(vec3(0), calculated.specular);"," }"," default { continue; }"," }"," continuing { i++; }"," }"," }"," var fresnel: f32 = schlickFresnelIOR(V, normal, ior, k); // Fresnel"," fresnel = min(1, fresnel);"," // This could be controlled with its own variable (that isnt base color) for better artistic control"," var fresnelMetallic: vec3 = schlickFresnelRGB(V, normal, baseColor); // Fresnel for metal, takes color into account"," var kS: vec3 = mix(vec3(fresnel), fresnelMetallic, metallic);"," kS = min(vec3(1), kS);"," var kD: vec3 = (1.0 - kS) * (1.0 - metallic);"," var PBR: vec3 = mapperUBO.DiffuseIntensity*kD*diffuse + kS*specular;"," PBR += emission;"," computedColor = vec4(PBR, mapperUBO.Opacity);"];a.getEnvironmentTexture()?.getImageLoaded()&&e.push(" // To get diffuse IBL, the texture is sampled with normals in worldspace"," var diffuseIBLCoords: vec3 = (transpose(rendererUBO.WCVCNormals) * vec4(normal, 1.)).xyz;"," var diffuseCoords: vec2 = vecToRectCoord(diffuseIBLCoords);"," // To get specular IBL, the texture is sampled as the worldspace reflection between the normal and view vectors"," // Reflections are first calculated in viewspace, then converted to worldspace to sample the environment"," var VreflN: vec3 = normalize(reflect(-V, normal));"," var reflectionIBLCoords = (transpose(rendererUBO.WCVCNormals) * vec4(VreflN, 1.)).xyz;"," var specularCoords: vec2 = vecToRectCoord(reflectionIBLCoords);"," var diffuseIBL = textureSampleLevel(EnvironmentTexture, EnvironmentTextureSampler, diffuseCoords, rendererUBO.MaxEnvironmentMipLevel);"," var level = roughness * rendererUBO.MaxEnvironmentMipLevel;"," var specularIBL = textureSampleLevel(EnvironmentTexture, EnvironmentTextureSampler, specularCoords, level);"," var specularIBLContribution: vec3 = specularIBL.rgb*rendererUBO.BackgroundSpecularStrength;"," computedColor += vec4(specularIBLContribution*kS, 0);"," var diffuseIBLContribution: vec3 = diffuseIBL.rgb*rendererUBO.BackgroundDiffuseStrength;"," diffuseIBLContribution *= baseColor * _ambientOcclusionMap.rgb;"," computedColor += vec4(diffuseIBLContribution*kD, 0);"),s=Zm.substitute(s,"//VTK::Light::Impl",e).result,i.setCode(s)}},t.shaderReplacements.set("replaceShaderLight",e.replaceShaderLight),e.replaceShaderColor=(e,t,n)=>{if(qv(e)){const e=t.getShaderDescription("fragment");let n=e.getCode();return n=Zm.substitute(n,"//VTK::Color::Impl",["ambientColor = mapperUBO.EdgeColor;","diffuseColor = mapperUBO.EdgeColor;"]).result,void e.setCode(n)}const r=n.getBuffer("colorVI");if(!r)return;const o=t.getShaderDescription("vertex");o.addOutput("vec4","color",r.getArrayInformation()[0].interpolation);let a=o.getCode();a=Zm.substitute(a,"//VTK::Color::Impl",[" output.color = colorVI;"]).result,o.setCode(a);const i=t.getShaderDescription("fragment");a=i.getCode(),a=Zm.substitute(a,"//VTK::Color::Impl",["ambientColor = input.color;","diffuseColor = input.color;","opacity = mapperUBO.Opacity * input.color.a;"]).result,i.setCode(a)},t.shaderReplacements.set("replaceShaderColor",e.replaceShaderColor),e.replaceShaderTCoord=(e,n,r)=>{if(!r.hasAttribute("tcoord"))return;const o=n.getShaderDescription("vertex"),a=r.getBuffer("tcoord"),i=ch(a.getArrayInformation()[0].format);let s=o.getCode();o.addOutput(`vec${i}`,"tcoordVS"),s=Zm.substitute(s,"//VTK::TCoord::Impl",[" output.tcoordVS = tcoord;"]).result,o.setCode(s);const l=n.getShaderDescription("fragment");s=l.getCode();const c=t.WebGPUActor.getRenderable(),u=e=>!!e&&e.getDimensionality()===i,d=[];(c.getProperty().getDiffuseTexture?.()?.getImageLoaded()||c.getTextures()[0]||t.colorTexture)&&(u(c.getProperty().getDiffuseTexture?.())||u(c.getTextures()[0])||u(t.colorTexture))&&d.push("_diffuseMap = textureSample(DiffuseTexture, DiffuseTextureSampler, input.tcoordVS);"),c.getProperty().getRoughnessTexture?.()?.getImageLoaded()&&u(c.getProperty().getRoughnessTexture())&&d.push("_roughnessMap = textureSample(RoughnessTexture, RoughnessTextureSampler, input.tcoordVS);"),c.getProperty().getMetallicTexture?.()?.getImageLoaded()&&u(c.getProperty().getMetallicTexture())&&d.push("_metallicMap = textureSample(MetallicTexture, MetallicTextureSampler, input.tcoordVS);"),c.getProperty().getNormalTexture?.()?.getImageLoaded()&&u(c.getProperty().getNormalTexture())&&d.push("_normalMap = textureSample(NormalTexture, NormalTextureSampler, input.tcoordVS);"),c.getProperty().getAmbientOcclusionTexture?.()?.getImageLoaded()&&u(c.getProperty().getAmbientOcclusionTexture())&&d.push("_ambientOcclusionMap = textureSample(AmbientOcclusionTexture, AmbientOcclusionTextureSampler, input.tcoordVS);"),c.getProperty().getEmissionTexture?.()?.getImageLoaded()&&u(c.getProperty().getEmissionTexture())&&d.push("_emissionMap = textureSample(EmissionTexture, EmissionTextureSampler, input.tcoordVS);"),s=Zm.substitute(s,"//VTK::TCoord::Impl",d).result,l.setCode(s)},t.shaderReplacements.set("replaceShaderTCoord",e.replaceShaderTCoord),e.replaceShaderSelect=(e,t,n)=>{if(e.includes("sel")){const e=t.getShaderDescription("fragment");let n=e.getCode();n=Zm.substitute(n,"//VTK::Select::Impl",[" var compositeID: u32 = 0u;"]).result,e.setCode(n)}},t.shaderReplacements.set("replaceShaderSelect",e.replaceShaderSelect),e.getUsage=(e,t)=>e===zv.POINTS||t===Uv.Points?Gv.Verts:t===Uv.Lines?Gv.Lines:e===zv.WIREFRAME?t===Uv.Triangles?Gv.LinesFromTriangles:Gv.LinesFromStrips:t===Uv.Triangles?Gv.Triangles:t===Uv.TriangleStrips?Gv.Strips:t===Uv.TriangleEdges?Gv.LinesFromTriangles:Gv.LinesFromStrips,e.getHashFromUsage=e=>`pt${e}`,e.getTopologyFromUsage=e=>{switch(e){case Gv.Triangles:return"triangle-list";case Gv.Verts:return"point-list";case Gv.Lines:default:return"line-list"}},e.buildVertexInput=()=>{const n=t.currentInput,r=t.cellArray,o=t.primitiveType;let a=t.WebGPUActor.getRenderable().getProperty().getRepresentation();const i=t.WebGPURenderWindow.getDevice();let s=!1;o===Uv.TriangleEdges&&(s=!0,a=zv.WIREFRAME);const l=t.vertexInput,c=n.getPoints();let u;if(r){const e={hash:`R${a}P${o}${r.getMTime()}`,usage:Gv.Index,cells:r,numberOfPoints:c.getNumberOfPoints(),primitiveType:o,representation:a};u=i.getBufferManager().getBuffer(e),l.setIndexBuffer(u)}else l.setIndexBuffer(null);if(c){const e=t.WebGPUActor.getBufferShift(t.WebGPURenderer),n={hash:`${c.getMTime()}I${u.getMTime()}${e.join()}float32x4`,usage:Gv.PointArray,format:"float32x4",dataArray:c,indexBuffer:u,shift:e,packExtra:!0},r=i.getBufferManager().getBuffer(n);l.addBuffer(r,["vertexBC"])}else l.removeBufferIfPresent("vertexBC");const d=e.getUsage(a,o);if(t._usesCellNormals=!1,t.is2D||d!==Gv.Triangles&&d!==Gv.Strips)l.removeBufferIfPresent("normalMC");else{const e=n.getPointData().getNormals(),a={format:"snorm8x4",indexBuffer:u,packExtra:!0,shift:0,scale:127};if(e){a.hash=`${e.getMTime()}I${u.getMTime()}snorm8x4`,a.dataArray=e,a.usage=Gv.PointArray;const t=i.getBufferManager().getBuffer(a);l.addBuffer(t,["normalMC"])}else if(o===Uv.Triangles){t._usesCellNormals=!0,a.hash=`PFN${c.getMTime()}I${u.getMTime()}snorm8x4`,a.dataArray=c,a.cells=r,a.usage=Gv.NormalsFromPoints;const e=i.getBufferManager().getBuffer(a);l.addBuffer(e,["normalMC"])}else l.removeBufferIfPresent("normalMC")}let p=!1;if(t.renderable.getScalarVisibility()){const e=t.renderable.getColorMapColors();if(e&&!s){const r=t.renderable.getScalarMode();let o=!1;r!==Wv.USE_CELL_DATA&&r!==Wv.USE_CELL_FIELD_DATA&&r!==Wv.USE_FIELD_DATA&&n.getPointData().getScalars()||r===Wv.USE_POINT_FIELD_DATA||!e||(o=!0);const a={usage:Gv.PointArray,format:"unorm8x4",hash:`${o}${e.getMTime()}I${u.getMTime()}unorm8x4`,dataArray:e,indexBuffer:u,cellData:o,cellOffset:0},s=i.getBufferManager().getBuffer(a);l.addBuffer(s,["colorVI"]),p=!0}}p||l.removeBufferIfPresent("colorVI");let f=null;if(f=t.renderable.getInterpolateScalarsBeforeMapping?.()&&t.renderable.getColorCoordinates()?t.renderable.getColorCoordinates():n.getPointData().getTCoords(),f&&!s){const e=i.getBufferManager().getBufferForPointArray(f,l.getIndexBuffer());l.addBuffer(e,["tcoord"])}else l.removeBufferIfPresent("tcoord")},e.updateTextures=()=>{const e=[],n=[],r=t.renderable.getColorTextureMap?.();r&&(t.colorTexture||(t.colorTexture=Tu.newInstance({label:"polyDataColor"})),t.colorTexture.setInputData(r),n.push(["Diffuse",t.colorTexture]));const o=t.WebGPUActor.getRenderable(),a=t.WebGPURenderer.getRenderable(),i=[];if(o.getProperty().getDiffuseTexture?.()){const e=["Diffuse",o.getProperty().getDiffuseTexture()];i.push(e)}if(o.getTextures()[0]){const e=["Diffuse",o.getTextures()[0]];i.push(e)}if(t.colorTexture){const e=["Diffuse",t.colorTexture];i.push(e)}if(o.getProperty().getRoughnessTexture?.()){const e=["Roughness",o.getProperty().getRoughnessTexture()];i.push(e)}if(o.getProperty().getMetallicTexture?.()){const e=["Metallic",o.getProperty().getMetallicTexture()];i.push(e)}if(o.getProperty().getNormalTexture?.()){const e=["Normal",o.getProperty().getNormalTexture()];i.push(e)}if(o.getProperty().getAmbientOcclusionTexture?.()){const e=["AmbientOcclusion",o.getProperty().getAmbientOcclusionTexture()];i.push(e)}if(o.getProperty().getEmissionTexture?.()){const e=["Emission",o.getProperty().getEmissionTexture()];i.push(e)}if(a.getEnvironmentTexture?.()){const e=["Environment",a.getEnvironmentTexture()];i.push(e)}for(let e=0;e=0;n--)e[n]||(t.textures.splice(n,1),t.textureViews.splice(n,1))},e.computePipelineHash=()=>{let n=`pd${t.useRendererMatrix?"r":""}${t.forceZValue?"z":""}`;if(t.primitiveType===Uv.TriangleEdges||t.primitiveType===Uv.TriangleStripEdges)n+="edge";else{if(t.vertexInput.hasAttribute("normalMC")&&(n+="n"),t.vertexInput.hasAttribute("colorVI")&&(n+="c"),t.vertexInput.hasAttribute("tcoord")){const e=t.vertexInput.getBuffer("tcoord");n+=`t${ch(e.getArrayInformation()[0].format)}`}t.textures.length&&(n+=`tx${t.textures.length}`)}t._usesCellNormals&&(n+="cn"),t.SSBO&&(n+="ssbo"),n+=e.getHashFromUsage(t.usage),n+=t.renderEncoder.getPipelineHash(),t.pipelineHash=n},e.updateBuffers=()=>{t.primitiveType!==Uv.TriangleEdges&&t.primitiveType!==Uv.TriangleStripEdges&&e.updateTextures();const n=t.WebGPUActor.getRenderable(),r=n.getProperty().getRepresentation();t.usage=e.getUsage(r,t.primitiveType),e.buildVertexInput();const o=t.vertexInput.getBuffer("vertexBC");if(e.setNumberOfVertices(o.getSizeInBytes()/o.getStrideInBytes()),e.setTopology(e.getTopologyFromUsage(t.usage)),e.updateUBO(),e.haveWideLines()){const t=n.getProperty();e.setNumberOfInstances(Math.ceil(2*t.getLineWidth()))}else e.setNumberOfInstances(1)}}const Yv={is2D:!1,cellArray:null,currentInput:null,cellOffset:0,primitiveType:0,colorTexture:null,renderEncoder:null,textures:null};function Zv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Yv,n),Ph.extend(e,t,n),t.fragmentShaderTemplate=$v,t.vertexShaderTemplate=Kv,t._tmpMat3=pe(new Float64Array(9)),t._tmpMat4=g(new Float64Array(16)),t.UBO=hv.newInstance({label:"mapperUBO"}),t.UBO.addEntry("BCWCMatrix","mat4x4"),t.UBO.addEntry("BCSCMatrix","mat4x4"),t.UBO.addEntry("MCWCNormals","mat4x4"),t.UBO.addEntry("AmbientColor","vec4"),t.UBO.addEntry("DiffuseColor","vec4"),t.UBO.addEntry("EdgeColor","vec4"),t.UBO.addEntry("SpecularColor","vec4"),t.UBO.addEntry("AmbientIntensity","f32"),t.UBO.addEntry("DiffuseIntensity","f32"),t.UBO.addEntry("Roughness","f32"),t.UBO.addEntry("Metallic","f32"),t.UBO.addEntry("Ambient","f32"),t.UBO.addEntry("Normal","f32"),t.UBO.addEntry("Emission","f32"),t.UBO.addEntry("NormalStrength","f32"),t.UBO.addEntry("BaseIOR","f32"),t.UBO.addEntry("SpecularIntensity","f32"),t.UBO.addEntry("LineWidth","f32"),t.UBO.addEntry("Opacity","f32"),t.UBO.addEntry("ZValue","f32"),t.UBO.addEntry("PropID","u32"),t.UBO.addEntry("ClipNear","f32"),t.UBO.addEntry("ClipFar","f32"),t.UBO.addEntry("Time","u32"),Pt(e,t,["cellArray","currentInput","cellOffset","is2D","primitiveType","renderEncoder"]),t.textures=[],Xv(e,t)}var Qv={newInstance:Et(Zv,"vtkWebGPUCellArrayMapper"),extend:Zv};const{PrimitiveTypes:Jv}=ov;function ey(e,t){t.classHierarchy.push("vtkWebGPUPolyDataMapper"),e.createCellArrayMapper=()=>Qv.newInstance(),e.buildPass=n=>{if(n){t.WebGPUActor=e.getFirstAncestorOfType("vtkWebGPUActor"),t.renderable.getStatic()||t.renderable.update();const n=t.renderable.getInputData();t.renderable.mapScalars(n,1),e.updateCellArrayMappers(n)}},e.updateCellArrayMappers=n=>{const r=[n.getVerts(),n.getLines(),n.getPolys(),n.getStrips()],o=[];let a=0;for(let i=Jv.Points;i<=Jv.Triangles;i++)if(r[i].getNumberOfValues()>0){t.primitives[i]||(t.primitives[i]=e.createCellArrayMapper());const s=t.primitives[i];s.setCellArray(r[i]),s.setCurrentInput(n),s.setCellOffset(a),s.setPrimitiveType(i),s.setRenderable(t.renderable),a+=r[i].getNumberOfCells(),o.push(s)}else t.primitives[i]=null;if(t.WebGPUActor.getRenderable().getProperty().getEdgeVisibility())for(let 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cy(e,t){t.classHierarchy.push("vtkWebGPUScalarBarActor"),e.buildPass=n=>{n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent(),t.scalarBarActorHelper.getRenderable()||t.scalarBarActorHelper.setRenderable(t.renderable),e.prepareNodes(),e.addMissingNode(t.scalarBarActorHelper.getBarActor()),e.addMissingNode(t.scalarBarActorHelper.getTmActor()),e.removeUnusedNodes())},e.opaquePass=(e,n)=>{if(e){const e=t.WebGPURenderer?t.WebGPURenderer.getRenderable().getActiveCamera():null,n=t.WebGPURenderer.getTiledSizeAndOrigin();t.scalarBarActorHelper.updateAPISpecificData([n.usize,n.vsize],e,t.WebGPURenderWindow.getRenderable())}}}Em("vtkMapper2D",ly);const uy={};const dy=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uy,n),Zt.extend(e,t,n),t.scalarBarActorHelper=Vp.newScalarBarActorHelper(),cy(e,t)}),"vtkWebGPUScalarBarActor");function 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by={newInstance:jt.newInstance(yy),extend:yy};const{BufferUsage:xy}=ov;function Ty(e,t){t.classHierarchy.push("vtkWebGPUTexture"),e.create=(e,n)=>{t.device=e,t.width=n.width,t.height=n.height,t.depth=n.depth?n.depth:1;const r=1===t.depth?"2d":"3d";t.format=n.format?n.format:"rgba8unorm",t.mipLevel=n.mipLevel?n.mipLevel:0,t.usage=n.usage?n.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST,t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label,dimension:r,mipLevelCount:t.mipLevel+1})},e.assignFromHandle=(e,n,r)=>{t.device=e,t.handle=n,t.width=r.width,t.height=r.height,t.depth=r.depth?r.depth:1,t.format=r.format?r.format:"rgba8unorm",t.usage=r.usage?r.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST},e.writeImageData=n=>{let r=[];if(n.canvas)return 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rendererUBO.SCPCMatrix*vertexSC;"]).result,r.setCode(o)},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderNormal=(e,t,r)=>{if(r.hasAttribute("normalMC")){const e=t.getShaderDescription("vertex");let n=e.getCode();n=Zm.substitute(n,"//VTK::Normal::Impl",[" output.normalVC = normalize((rendererUBO.WCVCNormals"," * mapperUBO.MCWCNormals"," * glyphSSBO.values[input.instanceIndex].normal*normalMC).xyz);"]).result,e.setCode(n)}n.replaceShaderNormal(e,t,r)},t.shaderReplacements.set("replaceShaderNormal",e.replaceShaderNormal),e.replaceShaderColor=(e,r,o)=>{if(!t.renderable.getColorArray())return void n.replaceShaderColor(e,r,o);const a=r.getShaderDescription("vertex");a.addOutput("vec4","color");let i=a.getCode();i=Zm.substitute(i,"//VTK::Color::Impl",[" output.color = glyphSSBO.values[input.instanceIndex].color;"]).result,a.setCode(i);const s=r.getShaderDescription("fragment");i=s.getCode(),i=Zm.substitute(i,"//VTK::Color::Impl",["ambientColor = input.color;","diffuseColor = input.color;","opacity = mapperUBO.Opacity * input.color.a;"]).result,s.setCode(i)},t.shaderReplacements.set("replaceShaderColor",e.replaceShaderColor),e.replaceShaderSelect=(e,t,n)=>{if(e.includes("sel")){const e=t.getShaderDescription("vertex");e.addOutput("u32","compositeID","flat");let n=e.getCode();n=Zm.substitute(n,"//VTK::Select::Impl",[" output.compositeID = input.instanceIndex;"]).result,e.setCode(n);const r=t.getShaderDescription("fragment");n=r.getCode(),n=Zm.substitute(n,"//VTK::Select::Impl",["var compositeID: u32 = input.compositeID;"]).result,r.setCode(n)}},t.shaderReplacements.set("replaceShaderSelect",e.replaceShaderSelect)}const Iy=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,{},n),Qv.extend(e,t,n),Ay(e,t)}),"vtkWebGPUGlyph3DCellArrayMapper");function wy(e,t){t.classHierarchy.push("vtkWebGPUGlyph3DMapper"),e.createCellArrayMapper=()=>{const e=Iy();return e.setSSBO(t.SSBO),e.setRenderable(t.renderable),e},e.buildPass=n=>{if(n){t.WebGPUActor=e.getFirstAncestorOfType("vtkWebGPUActor"),t.renderable.getStatic()||t.renderable.update();const n=t.renderable.getInputData(1);t.renderable.mapScalars(n,1),e.updateSSBO(),e.updateCellArrayMappers(n);for(let e=0;e{t.currentInput=t.renderable.getInputData(1),t.renderable.buildArrays();const n=t.renderable.getMatrixArray(),r=t.renderable.getNormalArray();if(t.carray=t.renderable.getColorArray(),t.numInstances=n.length/16,t.renderable.getBuildTime().getMTime()>t.glyphBOBuildTime.getMTime()){t.WebGPURenderWindow=e.getFirstAncestorOfType("vtkWebGPURenderWindow");const o=t.WebGPURenderWindow.getDevice();t.SSBO.clearData(),t.SSBO.setNumberOfInstances(t.numInstances),t.SSBO.addEntry("matrix","mat4x4"),t.SSBO.addEntry("normal","mat4x4"),t.carray&&t.SSBO.addEntry("color","vec4"),t.SSBO.setAllInstancesFromArray("matrix",n),t.SSBO.setAllInstancesFromArray3x3To4x4("normal",r),t.carray&&t.SSBO.setAllInstancesFromArrayColorToFloat("color",t.carray.getData()),t.SSBO.send(o),t.glyphBOBuildTime.modified()}}}const Oy={};const My=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Oy,n),oy.extend(e,t,n),t.glyphBOBuildTime={},yt(t.glyphBOBuildTime,{mtime:0}),t.SSBO=uv.newInstance({label:"glyphSSBO"}),wy(e,t)}),"vtkWebGPUGlyph3DMapper");Em("vtkGlyph3DMapper",My);const{SlicingMode:Ry}=ug,Vy="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Image::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var 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n=t.WebGPURenderer.getRenderable();t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(n.getActiveCamera())}},e.translucentPass=t=>{t&&e.render()},e.opaquePass=t=>{t&&e.render()},e.render=()=>{t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.prepareToDraw(t.WebGPURenderer.getRenderEncoder()),t.renderEncoder.registerDrawCallback(t.pipeline,e.draw)},e.computePipelineHash=()=>{const e=t.currentInput.getExtent();e[0]===e[1]||e[2]===e[3]||e[4]===e[5]?(t.dimensions=2,t.pipelineHash="img2"):(t.dimensions=3,t.pipelineHash="img3")},e.updateUBO=()=>{const n=t.UBO.getSendTime(),r=t.WebGPUImageSlice.getRenderable(),o=r.getMapper();if(e.getMTime()>n||t.renderable.getMTime()>n||r.getProperty().getMTime()>n){const e=o.getInputData(),n=t.WebGPURenderer.getStabilizedCenterByReference();g(Ey),x(Ey,Ey,n);const a=r.getMatrix();m(Dy,a),h(Dy,Dy),b(Ey,Dy,Ey);const i=e.getWorldToIndex();b(Ey,i,Ey),h(Ly,Ey),I(Dy,[.5,.5,.5]),b(Ey,Dy,Ey);const s=e.getDimensions();g(Dy),T(Dy,Dy,[1/s[0],1/s[1],1/s[2]]),b(Ey,Dy,Ey),t.UBO.setArray("SCTCMatrix",Ey);const l=t.currentInput.getExtent(),{ijkMode:c}=t.renderable.getClosestIJKAxis();let u=t.renderable.getSlice();c!==t.renderable.getSlicingMode()&&(u=t.renderable.getSliceAtPosition(u));let d=2,p=0,f=1;c===Ry.I?(d=0,p=1,f=2):c===Ry.J&&(d=1,p=2,f=0),By[d]=u,By[p]=l[2*p]-.5,By[f]=l[2*f]-.5,By[3]=1,Gi(By,By,Ly),t.UBO.setArray("Origin",By),Ny[d]=u,Ny[p]=l[2*p+1]+.5,Ny[f]=l[2*f]-.5,Ny[3]=1,Gi(Ny,Ny,Ly),_i(Ny,Ny,By),Ny[3]=1,t.UBO.setArray("Axis1",Ny),Ny[d]=u,Ny[p]=l[2*p]-.5,Ny[f]=l[2*f+1]+.5,Ny[3]=1,Gi(Ny,Ny,Ly),_i(Ny,Ny,By),Ny[3]=1,t.UBO.setArray("Axis2",Ny);const v=[1,1,1,1],y=[0,0,0,0],C=t.textureViews[0],S=C.getTexture().getScale(),P=C.getTexture().getNumberOfComponents();for(let e=0;e{const n=t.WebGPUImageSlice.getRenderable().getProperty();e.getTextureViews()[0].getTexture().getNumberOfComponents();const r=function(e,t,n){if(t.apply(e)){const t=e.getIndependentComponents();return`${e.getMTime()}-${t}-1`}return"0"}(n,n.getRGBTransferFunction);if(t.colorTextureString!==r){t.numRows=1;const e=new Uint8Array(2*t.numRows*t.rowLength*4);let o=n.getRGBTransferFunction();if(o){const r=new Float32Array(3*t.rowLength);for(let a=0;a<1;a++){o=n.getRGBTransferFunction(a);const i=o.getRange();o.getTable(i[0],i[1],t.rowLength,r,1);for(let n=0;n{n();const r=t.device.getTextureManager().getTextureForImageData(t.currentInput),o=t.textureViews;if(!o[0]||o[0].getTexture()!==r){const e=r.createView("imgTexture");o[0]=e}e.updateLUTImage(),e.updateUBO();const a=t.WebGPUImageSlice.getRenderable().getProperty().getInterpolationType()===ng.NEAREST?"nearest":"linear";t.clampSampler&&a===t.clampSampler.getOptions().minFilter||(t.clampSampler=my.newInstance({label:"clampSampler"}),t.clampSampler.create(t.device,{minFilter:a,magFilter:a}),t.additionalBindables=[t.clampSampler])};const r=e.getShaderReplacements();e.replaceShaderPosition=(e,n,r)=>{const o=n.getShaderDescription("vertex");o.addBuiltinOutput("vec4","@builtin(position) Position");let a=o.getCode();const i=["var pos: vec4 = mapperUBO.Origin +"," (vertexBC.x * 0.5 + 0.5) * mapperUBO.Axis1 + (vertexBC.y * 0.5 + 0.5) * mapperUBO.Axis2;","pos.w = 1.0;"];2===t.dimensions?i.push("var tcoord : vec2 = (mapperUBO.SCTCMatrix * pos).xy;"):i.push("var tcoord : vec3 = (mapperUBO.SCTCMatrix * pos).xyz;"),i.push("output.tcoordVS = tcoord;","output.Position = rendererUBO.SCPCMatrix * pos;"),a=Zm.substitute(a,"//VTK::Position::Impl",i).result,o.setCode(a)},r.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderTCoord=(e,n,r)=>{const o=n.getShaderDescription("vertex");2===t.dimensions?o.addOutput("vec2","tcoordVS"):o.addOutput("vec3","tcoordVS")},r.set("replaceShaderTCoord",e.replaceShaderTCoord),e.replaceShaderImage=(e,n,r)=>{const o=n.getShaderDescription("fragment");let a=o.getCode();t.dimensions,a=Zm.substitute(a,"//VTK::Image::Sample",[" var computedColor: vec4 ="," textureSampleLevel(imgTexture, clampSampler, input.tcoordVS, 0.0);","//VTK::Image::Sample"]).result,a=Zm.substitute(a,"//VTK::Image::Sample",[" var coord: vec2 ="," vec2(computedColor.r * mapperUBO.cScale.r + mapperUBO.cShift.r, 0.5);"," computedColor = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);"]).result,o.setCode(a)},r.set("replaceShaderImage",e.replaceShaderImage)}const Fy={rowLength:1024};const _y=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fy,n),Oh.extend(e,t,n),e.setFragmentShaderTemplate(Vy),t.UBO=hv.newInstance({label:"mapperUBO"}),t.UBO.addEntry("SCTCMatrix","mat4x4"),t.UBO.addEntry("Origin","vec4"),t.UBO.addEntry("Axis2","vec4"),t.UBO.addEntry("Axis1","vec4"),t.UBO.addEntry("cScale","vec4"),t.UBO.addEntry("cShift","vec4"),t.lutBuildTime={},yt(t.lutBuildTime,{mtime:0}),t.imagemat=g(new Float64Array(16)),t.imagematinv=g(new Float64Array(16)),t.VBOBuildTime={},yt(t.VBOBuildTime),ky(e,t)}),"vtkWebGPUImageMapper");function Gy(e,t){t.classHierarchy.push("vtkWebGPUImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 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n=t.renderable.getMatrix(),r=e.getStabilizedCenterByReference();t.bufferShift[0]=n[3]-r[0],t.bufferShift[1]=n[7]-r[1],t.bufferShift[2]=n[11]-r[2],m(t.keyMatrices.bcwc,n),t.renderable.getIsIdentity()?g(t.keyMatrices.normalMatrix):(d(t.keyMatrices.normalMatrix,t.keyMatrices.bcwc),t.keyMatrices.normalMatrix[3]=0,t.keyMatrices.normalMatrix[7]=0,t.keyMatrices.normalMatrix[11]=0,h(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix),m(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix)),x(t.keyMatrices.bcwc,t.keyMatrices.bcwc,[-t.bufferShift[0],-t.bufferShift[1],-t.bufferShift[2]]),x(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]),t.keyMatricesTime.modified()}return t.keyMatrices}}Em("vtkImageMapper",_y);const Uy={bufferShift:void 0,keyMatrixTime:null,keyMatrices:null,propID:void 0};const zy=Et((function(e,t){let n=arguments.length>2&&void 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Float64Array(3),r=new Float64Array(3);e.getBoundingCubePoints=(e,o)=>{const a=t.renderable.getMapper().getInputData();if(!a)return;const i=a.getExtent(),s=t.renderable.getMatrix();let l=0;for(let t=4;t<6;t++){n[2]=i[t];for(let t=2;t<4;t++){n[1]=i[t];for(let t=0;t<2;t++){n[0]=i[t],a.indexToWorld(n,r);let c=o+3*l;e[c++]=s[0]*r[0]+s[1]*r[1]+s[2]*r[2]+s[3],e[c++]=s[4]*r[0]+s[5]*r[1]+s[6]*r[2]+s[7],e[c++]=s[8]*r[0]+s[9]*r[1]+s[10]*r[2]+s[11],l++}}}},e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix(),r=e.getStabilizedCenterByReference();m(t.keyMatrices.bcwc,n),x(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]),t.keyMatricesTime.modified()}return t.keyMatrices}}Em("vtkImageSlice",zy);const Hy={propID:void 0,keyMatricesTime:null};const jy=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Hy,n),Zt.extend(e,t,n),t.keyMatricesTime={},jt.obj(t.keyMatricesTime,{mtime:0}),t.keyMatrices={bcwc:new Float64Array(16),bcsc:new Float64Array(16)},jt.get(e,t,["propID","keyMatricesTime"]),Wy(e,t)}),"vtkWebGPUVolume");function Ky(e,t){t.classHierarchy.push("vtkWebGPUPixelSpaceCallbackMapper"),e.opaquePass=(n,r)=>{t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent();const o=t.WebGPURenderer.getAspectRatio(),a=t.WebGPURenderer?t.WebGPURenderer.getRenderable().getActiveCamera():null,i=t.WebGPURenderer.getTiledSizeAndOrigin();t.renderable.getUseZValues(),t.renderable.invokeCallback(t.renderable.getInputData(),a,o,i,null)}}Em("vtkVolume",jy);const $y={};const qy=jt.newInstance((function(e,t){let n=arguments.length>2&&void 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vec3(input.vertexVC.x, input.vertexVC.y, input.vertexVC.z + 3.0*input.radiusVC);\n EyeDir = vec3(0.0, 0.0, -1.0);\n }\n else {\n EyeDir = input.vertexVC.xyz;\n EyePos = vec3(0.0,0.0,0.0);\n var lengthED: f32 = length(EyeDir);\n EyeDir = normalize(EyeDir);\n // we adjust the EyePos to be closer if it is too far away\n // to prevent floating point precision noise\n if (lengthED > input.radiusVC*3.0) {\n EyePos = input.vertexVC.xyz - EyeDir*3.0*input.radiusVC;\n }\n }\n\n // translate to Sphere center\n EyePos = EyePos - input.centerVC;\n // scale to radius 1.0\n EyePos = EyePos * (1.0 / input.radiusVC);\n // find the intersection\n var b: f32 = 2.0*dot(EyePos,EyeDir);\n var c: f32 = dot(EyePos,EyePos) - 1.0;\n var d: f32 = b*b - 4.0*c;\n var normal: vec3 = vec3(0.0,0.0,1.0);\n if (d < 0.0) { discard; }\n else {\n var t: f32 = (-b - invertedDepth*sqrt(d))*0.5;\n\n // compute the normal, for unit sphere this is just\n // the intersection point\n normal = invertedDepth*normalize(EyePos + t*EyeDir);\n // compute the intersection point in VC\n vertexVC = vec4(normal * input.radiusVC + input.centerVC, 1.0);\n }\n // compute the pixel's depth\n var pos: vec4 = rendererUBO.VCPCMatrix * vertexVC;\n output.fragDepth = pos.z / pos.w;\n "]).result,o.setCode(a)},e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position");let o=r.getCode();o=Zm.substitute(o,"//VTK::Position::Impl",[" output.Position = rendererUBO.VCPCMatrix*vertexVC;"]).result,r.setCode(o)},e.computePipelineHash=()=>{t.pipelineHash="spm",t.vertexInput.hasAttribute("colorVI")&&(t.pipelineHash+="c"),t.pipelineHash+=t.renderEncoder.getPipelineHash()},e.updateBuffers=()=>{const n=t.currentInput;t.renderable.mapScalars(n,1);const r=n.getPoints(),o=r.getNumberOfPoints(),a=r.getData();e.setNumberOfInstances(1),e.setNumberOfVertices(3*o);const i=t.vertexInput;let s=`spm${r.getMTime()}float32x3`;if(!t.device.getBufferManager().hasBuffer(s)){const e={hash:s,usage:Xy.RawVertex,format:"float32x3"},n=new Float32Array(3*o*3);let r=0,l=0;for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Jy,n),Qv.extend(e,t,n),e.setVertexShaderTemplate(Zy),Qy(e,t);const r=t.shaderReplacements;r.set("replaceShaderPosition",e.replaceShaderPosition),r.set("replaceShaderNormal",e.replaceShaderNormal)}),"vtkWebGPUSphereMapper");Em("vtkSphereMapper",eb);const{BufferUsage:tb}=ov,{vtkErrorMacro:nb}=Kt,rb="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::Color::Dec\n\n//VTK::IOStructs::Dec\n\n@vertex\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var offsetsArray: array, 12> = array, 12>(\n vec3(-1.0, -1.0, -1.0),\n vec3(1.0, -1.0, -1.0),\n vec3(1.0, -1.0, 1.0),\n\n vec3(-1.0, -1.0, -1.0),\n vec3(1.0, -1.0, 1.0),\n vec3(-1.0, -1.0, 1.0),\n\n vec3(-1.0, -1.0, 1.0),\n vec3(1.0, -1.0, 1.0),\n vec3(1.0, 1.0, 1.0),\n\n vec3(-1.0, -1.0, 1.0),\n vec3(1.0, 1.0, 1.0),\n vec3(-1.0, 1.0, 1.0)\n );\n\n var output : vertexOutput;\n\n var vertexVC: vec4 = rendererUBO.SCVCMatrix * mapperUBO.BCSCMatrix * vec4(vertexBC.xyz, 1.0);\n\n //VTK::Color::Impl\n\n // compute the projected vertex position\n output.centerVC = vertexVC.xyz;\n output.radiusVC = radiusMC;\n output.lengthVC = length(orientMC);\n output.orientVC = (rendererUBO.WCVCNormals * vec4(normalize(orientMC), 0.0)).xyz;\n\n // make sure it is pointing out of the screen\n if (output.orientVC.z < 0.0)\n {\n output.orientVC = -output.orientVC;\n }\n\n // make the basis\n var xbase: vec3;\n var ybase: vec3;\n var dir: vec3 = vec3(0.0,0.0,1.0);\n if (rendererUBO.cameraParallel == 0u)\n {\n dir = normalize(-vertexVC.xyz);\n }\n if (abs(dot(dir,output.orientVC)) == 1.0)\n {\n xbase = normalize(cross(vec3(0.0,1.0,0.0),output.orientVC));\n ybase = cross(xbase,output.orientVC);\n }\n else\n {\n xbase = normalize(cross(output.orientVC,dir));\n ybase = cross(output.orientVC,xbase);\n }\n\n\n var vertIdx: u32 = input.vertexIndex % 12u;\n var offsets: vec3 = offsetsArray[vertIdx];\n\n vertexVC = vec4(vertexVC.xyz +\n output.radiusVC * offsets.x * xbase +\n output.radiusVC * offsets.y * ybase +\n 0.5 * output.lengthVC * offsets.z * output.orientVC, 1.0);\n\n output.vertexVC = vertexVC;\n\n //VTK::Position::Impl\n\n return output;\n}\n";function ob(e,t){t.classHierarchy.push("vtkWebGPUStickMapper");const n=e.buildPass;e.buildPass=r=>{if(r){t.renderable.getStatic()||t.renderable.update();const n=t.renderable.getInputData();e.setCellArray(n.getVerts()),e.setCurrentInput(n)}n(r)},e.replaceShaderNormal=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.hasOutput("vertexVC")||r.addOutput("vec4","vertexVC"),r.addOutput("vec3","centerVC"),r.addOutput("vec3","orientVC"),r.addOutput("f32","radiusVC"),r.addOutput("f32","lengthVC"),r.addBuiltinInput("u32","@builtin(vertex_index) vertexIndex");const o=t.getShaderDescription("fragment");o.addBuiltinOutput("f32","@builtin(frag_depth) fragDepth");let a=o.getCode();a=Zm.substitute(a,"//VTK::Normal::Impl",["\n // compute the eye position and unit direction\n var vertexVC: vec4;\n var EyePos: vec3;\n var EyeDir: vec3;\n\n if (rendererUBO.cameraParallel != 0u)\n {\n EyePos = vec3(input.vertexVC.x, input.vertexVC.y, input.vertexVC.z + 3.0*input.radiusVC);\n EyeDir = vec3(0.0, 0.0, -1.0);\n }\n else\n {\n EyeDir = input.vertexVC.xyz;\n EyePos = vec3(0.0,0.0,0.0);\n var lengthED: f32 = length(EyeDir);\n EyeDir = normalize(EyeDir);\n // we adjust the EyePos to be closer if it is too far away\n // to prevent floating point precision noise\n if (lengthED > input.radiusVC*3.0)\n {\n EyePos = input.vertexVC.xyz - EyeDir*3.0*input.radiusVC;\n }\n }\n // translate to Sphere center\n EyePos = EyePos - input.centerVC;\n\n // rotate to new basis\n // base1, base2, orientVC\n var base1: vec3;\n if (abs(input.orientVC.z) < 0.99)\n {\n base1 = normalize(cross(input.orientVC,vec3(0.0,0.0,1.0)));\n }\n else\n {\n base1 = normalize(cross(input.orientVC,vec3(0.0,1.0,0.0)));\n }\n var base2: vec3 = cross(input.orientVC,base1);\n EyePos = vec3(dot(EyePos,base1),dot(EyePos,base2),dot(EyePos,input.orientVC));\n EyeDir = vec3(dot(EyeDir,base1),dot(EyeDir,base2),dot(EyeDir,input.orientVC));\n\n // scale to radius 1.0\n EyePos = EyePos * (1.0 / input.radiusVC);\n\n // find the intersection\n var a: f32 = EyeDir.x*EyeDir.x + EyeDir.y*EyeDir.y;\n var b: f32 = 2.0*(EyePos.x*EyeDir.x + EyePos.y*EyeDir.y);\n var c: f32 = EyePos.x*EyePos.x + EyePos.y*EyePos.y - 1.0;\n var d: f32 = b*b - 4.0*a*c;\n var normal: vec3 = vec3(0.0,0.0,1.0);\n if (d < 0.0) { discard; }\n else\n {\n var t: f32 = (-b - sqrt(d))*(0.5 / a);\n var tz: f32 = EyePos.z + t*EyeDir.z;\n var iPoint: vec3 = EyePos + t*EyeDir;\n if (abs(iPoint.z)*input.radiusVC > input.lengthVC*0.5)\n {\n // test for end cap\n var t2: f32 = (-b + sqrt(d))*(0.5 / a);\n var tz2: f32 = EyePos.z + t2*EyeDir.z;\n if (tz2*input.radiusVC > input.lengthVC*0.5 || tz*input.radiusVC < -0.5*input.lengthVC) { discard; }\n else\n {\n normal = input.orientVC;\n var t3: f32 = (input.lengthVC*0.5/input.radiusVC - EyePos.z)/EyeDir.z;\n iPoint = EyePos + t3*EyeDir;\n vertexVC = vec4(input.radiusVC*(iPoint.x*base1 + iPoint.y*base2 + iPoint.z*input.orientVC) + input.centerVC, 1.0);\n }\n }\n else\n {\n // The normal is the iPoint.xy rotated back into VC\n normal = iPoint.x*base1 + iPoint.y*base2;\n // rescale rerotate and translate\n vertexVC = vec4(input.radiusVC*(normal + iPoint.z*input.orientVC) + input.centerVC, 1.0);\n }\n }\n // compute the pixel's depth\n var pos: vec4 = rendererUBO.VCPCMatrix * vertexVC;\n output.fragDepth = pos.z / pos.w;\n "]).result,o.setCode(a)},e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position");let o=r.getCode();o=Zm.substitute(o,"//VTK::Position::Impl",[" output.Position = 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n=[3];$o(t.physicalViewNorth,t.physicalViewUp,n),e[0]=n[0],e[1]=n[1],e[2]=n[2],e[4]=t.physicalViewUp[0],e[5]=t.physicalViewUp[1],e[6]=t.physicalViewUp[2],e[8]=-t.physicalViewNorth[0],e[9]=-t.physicalViewNorth[1],e[10]=-t.physicalViewNorth[2],m(e,e),An(s,1/t.physicalScale,1/t.physicalScale,1/t.physicalScale),T(e,e,s),x(e,e,t.physicalTranslation)},e.computeViewParametersFromViewMatrix=i=>{h(a,i),Dn(s,n,a),e.computeDistance();const u=t.distance;e.setPosition(s[0],s[1],s[2]),Dn(l,r,a),wn(l,l,s),Rn(l,l),e.setDirectionOfProjection(l[0],l[1],l[2]),Dn(c,o,a),wn(c,c,s),Rn(c,c),e.setViewUp(c[0],c[1],c[2]),e.setDistance(u)},e.computeViewParametersFromPhysicalMatrix=t=>{e.getWorldToPhysicalMatrix(a),b(a,t,a),e.computeViewParametersFromViewMatrix(a)},e.setViewMatrix=n=>{t.viewMatrix=n,t.viewMatrix&&(d(a,t.viewMatrix),e.computeViewParametersFromViewMatrix(a),m(t.viewMatrix,t.viewMatrix))},e.getViewMatrix=()=>{if(t.viewMatrix)return t.viewMatrix;q(a,t.position,t.focalPoint,t.viewUp),m(a,a);const e=new Float64Array(16);return d(e,a),e},e.setProjectionMatrix=e=>{t.projectionMatrix=e},e.getProjectionMatrix=(e,n,r)=>{const o=new Float64Array(16);if(g(o),t.projectionMatrix){const e=1/t.physicalScale;return An(s,e,e,e),d(o,t.projectionMatrix),T(o,o,s),m(o,o),o}g(a);const i=t.clippingRange[1]-t.clippingRange[0],l=[t.clippingRange[0]+(n+1)*i/2,t.clippingRange[0]+(r+1)*i/2];if(t.parallelProjection){const n=t.parallelScale*e,r=t.parallelScale,o=(t.windowCenter[0]-1)*n,i=(t.windowCenter[0]+1)*n,s=(t.windowCenter[1]-1)*r,c=(t.windowCenter[1]+1)*r;K(a,o,i,s,c,l[0],l[1]),m(a,a)}else{if(t.useOffAxisProjection)throw new Error("Off-Axis projection is not supported at this time");{const n=Math.tan(Mo(t.viewAngle)/2);let r,o;!0===t.useHorizontalViewAngle?(r=t.clippingRange[0]*n,o=t.clippingRange[0]*n/e):(r=t.clippingRange[0]*n*e,o=t.clippingRange[0]*n);const i=(t.windowCenter[0]-1)*r,s=(t.windowCenter[0]+1)*r,c=(t.windowCenter[1]-1)*o,u=(t.windowCenter[1]+1)*o,d=l[0],p=l[1];a[0]=2*d/(s-i),a[5]=2*d/(u-c),a[2]=(i+s)/(s-i),a[6]=(c+u)/(u-c),a[10]=-(d+p)/(p-d),a[14]=-1,a[11]=-2*d*p/(p-d),a[15]=0}}return d(o,a),o},e.getCompositeProjectionMatrix=(t,n,r)=>{const o=e.getViewMatrix(),a=e.getProjectionMatrix(t,n,r);return b(a,o,a),a},e.setDirectionOfProjection=(e,n,r)=>{if(t.directionOfProjection[0]===e&&t.directionOfProjection[1]===n&&t.directionOfProjection[2]===r)return;t.directionOfProjection[0]=e,t.directionOfProjection[1]=n,t.directionOfProjection[2]=r;const o=t.directionOfProjection;t.focalPoint[0]=t.position[0]+o[0]*t.distance,t.focalPoint[1]=t.position[1]+o[1]*t.distance,t.focalPoint[2]=t.position[2]+o[2]*t.distance,y()},e.setDeviceAngles=(n,r,o,a)=>{const i=[3];$o(t.physicalViewNorth,t.physicalViewUp,i);const s=g(new Float64Array(16));C(s,s,Mo(n),t.physicalViewUp),C(s,s,Mo(r),i),C(s,s,Mo(o),t.physicalViewNorth),C(s,s,Mo(-a),t.physicalViewUp);const l=new Float64Array([-t.physicalViewUp[0],-t.physicalViewUp[1],-t.physicalViewUp[2]]),c=new Float64Array(t.physicalViewNorth);Dn(l,l,s),Dn(c,c,s),e.setDirectionOfProjection(l[0],l[1],l[2]),e.setViewUp(c[0],c[1],c[2]),e.modified()},e.setOrientationWXYZ=(t,n,r,o)=>{const a=g(new Float64Array(16));if(0!==t&&(0!==n||0!==r||0!==o)){const e=Mo(t),i=Ui();zi(i,[n,r,o],e),_(a,i)}const i=new Float64Array(3);Dn(i,[0,0,-1],a);const s=new Float64Array(3);Dn(s,[0,1,0],a),e.setDirectionOfProjection(...i),e.setViewUp(...s),e.modified()},e.computeClippingRange=e=>{let n=null,r=null;n=t.viewPlaneNormal,r=t.position;const o=-n[0],a=-n[1],i=-n[2],s=-(o*r[0]+a*r[1]+i*r[2]),l=[o*e[0]+a*e[2]+i*e[4]+s,1e-18];for(let t=0;t<2;t++)for(let n=0;n<2;n++)for(let r=0;r<2;r++){const c=o*e[r]+a*e[2+n]+i*e[4+t]+s;l[0]=cl[1]?c:l[1]}return l}}const jb={position:[0,0,1],focalPoint:[0,0,0],viewUp:[0,1,0],directionOfProjection:[0,0,-1],parallelProjection:!1,useHorizontalViewAngle:!1,viewAngle:30,parallelScale:1,clippingRange:[.01,1000.01],windowCenter:[0,0],viewPlaneNormal:[0,0,1],useOffAxisProjection:!1,screenBottomLeft:[-.5,-.5,-.5],screenBottomRight:[.5,-.5,-.5],screenTopRight:[.5,.5,-.5],freezeFocalPoint:!1,projectionMatrix:null,viewMatrix:null,cameraLightTransform:c(),physicalTranslation:[0,0,0],physicalScale:1,physicalViewUp:[0,1,0],physicalViewNorth:[0,0,-1]};function Kb(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,jb,n),jt.obj(e,t),jt.get(e,t,["distance"]),jt.setGet(e,t,["parallelProjection","useHorizontalViewAngle","viewAngle","parallelScale","useOffAxisProjection","freezeFocalPoint","physicalScale"]),jt.getArray(e,t,["directionOfProjection","viewPlaneNormal","position","focalPoint"]),jt.setGetArray(e,t,["clippingRange","windowCenter"],2),jt.setGetArray(e,t,["viewUp","screenBottomLeft","screenBottomRight","screenTopRight","physicalTranslation","physicalViewUp","physicalViewNorth"],3),Hb(e,t)}var $b={newInstance:jt.newInstance(Kb,"vtkCamera"),extend:Kb};function qb(e,t){t.classHierarchy.push("vtkLight");const n=new Float64Array(3);e.getTransformedPosition=()=>(t.transformMatrix?Dn(n,t.position,t.transformMatrix):An(n,t.position[0],t.position[1],t.position[2]),n),e.getTransformedFocalPoint=()=>(t.transformMatrix?Dn(n,t.focalPoint,t.transformMatrix):An(n,t.focalPoint[0],t.focalPoint[1],t.focalPoint[2]),n),e.getDirection=()=>(t.directionMTime{const n=new Float64Array(3);kn(n,t.position,e),t.focalPoint=n},e.setDirectionAngle=(t,n)=>{const r=Mo(t),o=Mo(n);e.setPosition(Math.cos(r)*Math.sin(o),Math.sin(r),Math.cos(r)*Math.cos(o)),e.setFocalPoint(0,0,0),e.setPositional(0)},e.setLightTypeToHeadLight=()=>{e.setLightType("HeadLight")},e.setLightTypeToCameraLight=()=>{e.setLightType("CameraLight")},e.setLightTypeToSceneLight=()=>{e.setTransformMatrix(null),e.setLightType("SceneLight")},e.lightTypeIsHeadLight=()=>"HeadLight"===t.lightType,e.lightTypeIsSceneLight=()=>"SceneLight"===t.lightType,e.lightTypeIsCameraLight=()=>"CameraLight"===t.lightType}const Xb={switch:!0,intensity:1,color:[1,1,1],position:[0,0,1],focalPoint:[0,0,0],positional:!1,exponent:1,coneAngle:30,coneFalloff:5,attenuationValues:[1,0,0],transformMatrix:null,lightType:"SceneLight",shadowAttenuation:1,direction:[0,0,0],directionMTime:0};function Yb(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Xb,n),jt.obj(e,t),jt.setGet(e,t,["intensity","switch","positional","exponent","coneAngle","coneFalloff","transformMatrix","lightType","shadowAttenuation","attenuationValues"]),jt.setGetArray(e,t,["color","position","focalPoint","attenuationValues"],3),qb(e,t)}var Zb={newInstance:jt.newInstance(Yb,"vtkLight"),extend:Yb,LIGHT_TYPES:["HeadLight","CameraLight","SceneLight"]};const{vtkErrorMacro:Qb}=jt;function Jb(e,t){function n(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];t.push(e);const r=e.getNestedProps();if(r&&r.length)for(let e=0;et.props,e.hasViewProp=e=>t.props.includes(e),e.addViewProp=n=>{n&&!e.hasViewProp(n)&&t.props.push(n)},e.removeViewProp=e=>{const n=t.props.filter((t=>t!==e));t.props.length!==n.length&&(t.props=n)},e.removeAllViewProps=()=>{t.props=[]},e.getViewPropsWithNestedProps=()=>{const e=[];for(let r=0;r{e.removeViewProp(t)},e.getActors2D=()=>(t.actors2D=[],t.props.forEach((e=>{t.actors2D=t.actors2D.concat(e.getActors2D())})),t.actors2D),e.displayToView=()=>Qb("call displayToView on your view instead"),e.viewToDisplay=()=>Qb("callviewtodisplay on your view instead"),e.getSize=()=>Qb("call getSize on your View instead"),e.normalizedDisplayToProjection=(t,n,r)=>{const o=e.normalizedDisplayToNormalizedViewport(t,n,r);return e.normalizedViewportToProjection(o[0],o[1],o[2])},e.normalizedDisplayToNormalizedViewport=(e,n,r)=>{const o=[t.viewport[2]-t.viewport[0],t.viewport[3]-t.viewport[1]];return[(e-t.viewport[0])/o[0],(n-t.viewport[1])/o[1],r]},e.normalizedViewportToProjection=(e,t,n)=>[2*e-1,2*t-1,2*n-1],e.projectionToNormalizedDisplay=(t,n,r)=>{const o=e.projectionToNormalizedViewport(t,n,r);return e.normalizedViewportToNormalizedDisplay(o[0],o[1],o[2])},e.normalizedViewportToNormalizedDisplay=(e,n,r)=>{const o=[t.viewport[2]-t.viewport[0],t.viewport[3]-t.viewport[1]];return[e*o[0]+t.viewport[0],n*o[1]+t.viewport[1],r]},e.projectionToNormalizedViewport=(e,t,n)=>[.5*(e+1),.5*(t+1),.5*(n+1)],e.PickPropFrom=("PickPropFrom",()=>Qb("vtkViewport::PickPropFrom - NOT IMPLEMENTED"))}const ex={background:[0,0,0],background2:[.2,.2,.2],gradientBackground:!1,viewport:[0,0,1,1],aspect:[1,1],pixelAspect:[1,1],props:[],actors2D:[]};function tx(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ex,n),jt.obj(e,t),jt.event(e,t,"event"),jt.setGetArray(e,t,["viewport"],4),jt.setGetArray(e,t,["background","background2"],3),Jb(e,t)}var nx={newInstance:jt.newInstance(tx,"vtkViewport"),extend:tx};const{vtkDebugMacro:rx,vtkErrorMacro:ox,vtkWarningMacro:ax}=Kt;function ix(e){return()=>ox(`vtkRenderer::${e} - NOT IMPLEMENTED`)}function sx(e,t){t.classHierarchy.push("vtkRenderer");const n={type:"ComputeVisiblePropBoundsEvent",renderer:e},r={type:"ResetCameraClippingRangeEvent",renderer:e},o={type:"ResetCameraEvent",renderer:e};e.updateCamera=()=>(t.activeCamera||(rx("No cameras are on, creating one."),e.getActiveCameraAndResetIfCreated()),t.activeCamera.render(e),!0),e.updateLightsGeometryToFollowCamera=()=>{const n=e.getActiveCameraAndResetIfCreated();t.lights.forEach((e=>{e.lightTypeIsSceneLight()||(e.lightTypeIsHeadLight()?(e.setPositionFrom(n.getPositionByReference()),e.setFocalPointFrom(n.getFocalPointByReference()),e.modified(n.getMTime())):e.lightTypeIsCameraLight()?e.setTransformMatrix(n.getCameraLightTransformMatrix(c())):ox("light has unknown light type",e.get()))}))},e.updateLightGeometry=()=>!t.lightFollowCamera||e.updateLightsGeometryToFollowCamera(),e.allocateTime=ix("allocateTime"),e.updateGeometry=ix("updateGeometry"),e.getVTKWindow=()=>t._renderWindow,e.setLayer=n=>{rx(e.getClassName(),e,"setting Layer to ",n),t.layer!==n&&(t.layer=n,e.modified()),e.setPreserveColorBuffer(!!n)},e.setActiveCamera=n=>t.activeCamera!==n&&(t.activeCamera=n,e.modified(),e.invokeEvent({type:"ActiveCameraEvent",camera:n}),!0),e.makeCamera=()=>{const t=$b.newInstance();return e.invokeEvent({type:"CreateCameraEvent",camera:t}),t},e.getActiveCamera=()=>(t.activeCamera||(t.activeCamera=e.makeCamera()),t.activeCamera),e.getActiveCameraAndResetIfCreated=()=>(t.activeCamera||(e.getActiveCamera(),e.resetCamera()),t.activeCamera),e.getActors=()=>(t.actors=[],t.props.forEach((e=>{t.actors=t.actors.concat(e.getActors())})),t.actors),e.addActor=e.addViewProp,e.removeActor=n=>{t.actors=t.actors.filter((e=>e!==n)),e.removeViewProp(n),e.modified()},e.removeAllActors=()=>{e.getActors().forEach((t=>{e.removeViewProp(t)})),t.actors=[],e.modified()},e.getVolumes=()=>(t.volumes=[],t.props.forEach((e=>{t.volumes=t.volumes.concat(e.getVolumes())})),t.volumes),e.addVolume=e.addViewProp,e.removeVolume=n=>{t.volumes=t.volumes.filter((e=>e!==n)),e.removeViewProp(n),e.modified()},e.removeAllVolumes=()=>{e.getVolumes().forEach((t=>{e.removeViewProp(t)})),t.volumes=[],e.modified()},e.hasLight=e=>t.lights.includes(e),e.addLight=n=>{n&&!e.hasLight(n)&&(t.lights.push(n),e.modified())},e.removeLight=n=>{t.lights=t.lights.filter((e=>e!==n)),e.modified()},e.removeAllLights=()=>{t.lights=[],e.modified()},e.setLightCollection=n=>{t.lights=n,e.modified()},e.makeLight=Zb.newInstance,e.createLight=()=>{t.automaticLightCreation&&(t._createdLight&&(e.removeLight(t._createdLight),t._createdLight.delete(),t._createdLight=null),t._createdLight=e.makeLight(),e.addLight(t._createdLight),t._createdLight.setLightTypeToHeadLight(),t._createdLight.setPosition(e.getActiveCamera().getPosition()),t._createdLight.setFocalPoint(e.getActiveCamera().getFocalPoint()))},e.normalizedDisplayToWorld=(t,n,r,o)=>{let a=e.normalizedDisplayToProjection(t,n,r);return a=e.projectionToView(a[0],a[1],a[2],o),e.viewToWorld(a[0],a[1],a[2])},e.worldToNormalizedDisplay=(t,n,r,o)=>{let a=e.worldToView(t,n,r);return a=e.viewToProjection(a[0],a[1],a[2],o),e.projectionToNormalizedDisplay(a[0],a[1],a[2])},e.viewToWorld=(e,n,r)=>{if(null===t.activeCamera)return ox("ViewToWorld: no active camera, cannot compute view to world, returning 0,0,0"),[0,0,0];const o=t.activeCamera.getViewMatrix();h(o,o),m(o,o);const a=new Float64Array([e,n,r]);return Dn(a,a,o),a},e.projectionToView=(e,n,r,o)=>{if(null===t.activeCamera)return ox("ProjectionToView: no active camera, cannot compute projection to view, returning 0,0,0"),[0,0,0];const a=t.activeCamera.getProjectionMatrix(o,-1,1);h(a,a),m(a,a);const i=new Float64Array([e,n,r]);return Dn(i,i,a),i},e.worldToView=(e,n,r)=>{if(null===t.activeCamera)return ox("WorldToView: no active camera, cannot compute view to world, returning 0,0,0"),[0,0,0];const o=t.activeCamera.getViewMatrix();m(o,o);const a=new Float64Array([e,n,r]);return Dn(a,a,o),a},e.viewToProjection=(e,n,r,o)=>{if(null===t.activeCamera)return ox("ViewToProjection: no active camera, cannot compute view to projection, returning 0,0,0"),[0,0,0];const a=t.activeCamera.getProjectionMatrix(o,-1,1);m(a,a);const i=new Float64Array([e,n,r]);return Dn(i,i,a),i},e.computeVisiblePropBounds=()=>{t.allBounds[0]=Fi.INIT_BOUNDS[0],t.allBounds[1]=Fi.INIT_BOUNDS[1],t.allBounds[2]=Fi.INIT_BOUNDS[2],t.allBounds[3]=Fi.INIT_BOUNDS[3],t.allBounds[4]=Fi.INIT_BOUNDS[4],t.allBounds[5]=Fi.INIT_BOUNDS[5];let r=!0;e.invokeEvent(n);for(let e=0;et.allBounds[1]&&(t.allBounds[1]=e[1]),e[2]t.allBounds[3]&&(t.allBounds[3]=e[3]),e[4]t.allBounds[5]&&(t.allBounds[5]=e[5]))}}return r&&(wa(t.allBounds),rx("Can't compute bounds, no 3D props are visible")),t.allBounds},e.resetCamera=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null;const r=n||e.computeVisiblePropBounds(),a=[0,0,0];if(!Oa(r))return rx("Cannot reset camera!"),!1;let i=null;if(!e.getActiveCamera())return ox("Trying to reset non-existent camera"),!1;i=t.activeCamera.getViewPlaneNormal(),t.activeCamera.setViewAngle(30),a[0]=(r[0]+r[1])/2,a[1]=(r[2]+r[3])/2,a[2]=(r[4]+r[5])/2;let s=r[1]-r[0],l=r[3]-r[2],c=r[5]-r[4];s*=s,l*=l,c*=c;let u=s+l+c;u=0===u?1:u,u=.5*Math.sqrt(u);const d=Mo(t.activeCamera.getViewAngle()),p=u,f=u/Math.sin(.5*d),g=t.activeCamera.getViewUp();return Math.abs(Ko(g,i))>.999&&(ax("Resetting view-up since view plane normal is parallel"),t.activeCamera.setViewUp(-g[2],g[0],g[1])),t.activeCamera.setFocalPoint(a[0],a[1],a[2]),t.activeCamera.setPosition(a[0]+f*i[0],a[1]+f*i[1],a[2]+f*i[2]),e.resetCameraClippingRange(r),t.activeCamera.setParallelScale(p),t.activeCamera.setPhysicalScale(u),t.activeCamera.setPhysicalTranslation(-a[0],-a[1],-a[2]),e.invokeEvent(o),!0},e.resetCameraClippingRange=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null;const o=n||e.computeVisiblePropBounds();if(!Oa(o))return rx("Cannot reset camera clipping range!"),!1;if(e.getActiveCameraAndResetIfCreated(),!t.activeCamera)return ox("Trying to reset clipping range of non-existent camera"),!1;const a=t.activeCamera.computeClippingRange(o);let i=0;if(t.activeCamera.getParallelProjection())i=.2*t.activeCamera.getParallelScale();else{const e=Mo(t.activeCamera.getViewAngle());i=.2*Math.tan(e/2)*a[1]}return a[1]-a[0]=a[1]?.01*a[1]:a[0],t.nearClippingPlaneTolerance||(t.nearClippingPlaneTolerance=.01),a[0]{e!==t._renderWindow&&(t._vtkWindow=e,t._renderWindow=e)},e.visibleActorCount=()=>t.props.filter((e=>e.getVisibility())).length,e.visibleVolumeCount=e.visibleActorCount,e.getMTime=()=>{let e=t.mtime;const n=t.activeCamera?t.activeCamera.getMTime():0;n>e&&(e=n);const r=t._createdLight?t._createdLight.getMTime():0;return r>e&&(e=r),e},e.getTransparent=()=>!!t.preserveColorBuffer,e.isActiveCameraCreated=()=>!!t.activeCamera}const lx={pickedProp:null,activeCamera:null,allBounds:[],ambient:[1,1,1],allocatedRenderTime:100,timeFactor:1,automaticLightCreation:!0,twoSidedLighting:!0,lastRenderTimeInSeconds:-1,renderWindow:null,lights:[],actors:[],volumes:[],lightFollowCamera:!0,numberOfPropsRendered:0,propArray:null,pathArray:null,layer:0,preserveColorBuffer:!1,preserveDepthBuffer:!1,computeVisiblePropBounds:Na(),interactive:!0,nearClippingPlaneTolerance:0,clippingRangeExpansion:.05,erase:!0,draw:!0,useShadows:!1,useDepthPeeling:!1,occlusionRatio:0,maximumNumberOfPeels:4,selector:null,delegate:null,texturedBackground:!1,backgroundTexture:null,environmentTexture:null,environmentTextureDiffuseStrength:1,environmentTextureSpecularStrength:1,useEnvironmentTextureAsBackground:!1,pass:0};function cx(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};for(Object.assign(t,lx,n),nx.extend(e,t,n),t.background||(t.background=[0,0,0,1]);t.background.length<3;)t.background.push(0);3===t.background.length&&t.background.push(1),xt(e,t,["_renderWindow","allocatedRenderTime","timeFactor","lastRenderTimeInSeconds","numberOfPropsRendered","lastRenderingUsedDepthPeeling","selector"]),Pt(e,t,["twoSidedLighting","lightFollowCamera","automaticLightCreation","erase","draw","nearClippingPlaneTolerance","clippingRangeExpansion","backingStore","interactive","layer","preserveColorBuffer","preserveDepthBuffer","useDepthPeeling","occlusionRatio","maximumNumberOfPeels","delegate","backgroundTexture","texturedBackground","environmentTexture","environmentTextureDiffuseStrength","environmentTextureSpecularStrength","useEnvironmentTextureAsBackground","useShadows","pass"]),At(e,t,["actors","volumes","lights"]),wt(e,t,["background"],4,1),Ot(0,t,["renderWindow"]),sx(e,t)}var ux={newInstance:Et(cx,"vtkRenderer"),extend:cx};const dx=Object.create(null);function px(e,t){dx[e]=t}function fx(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return dx[e]&&dx[e](t)}function gx(e,t){t.classHierarchy.push("vtkRenderWindow"),e.addRenderer=n=>{e.hasRenderer(n)||(n.setRenderWindow(e),t.renderers.push(n),e.modified())},e.removeRenderer=n=>{t.renderers=t.renderers.filter((e=>e!==n)),e.modified()},e.hasRenderer=e=>-1!==t.renderers.indexOf(e),e.newAPISpecificView=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return fx(e||t.defaultViewAPI,n)},e.addView=n=>{e.hasView(n)||(n.setRenderable(e),t._views.push(n),e.modified())},e.removeView=n=>{t._views=t._views.filter((e=>e!==n)),e.modified()},e.hasView=e=>-1!==t._views.indexOf(e),e.preRender=()=>{t.renderers.forEach((e=>{e.isActiveCameraCreated()||e.resetCamera()}))},e.render=()=>{e.preRender(),t.interactor?t.interactor.render():t._views.forEach((e=>e.traverseAllPasses()))},e.getStatistics=()=>{const e={propCount:0,invisiblePropCount:0,gpuMemoryMB:0};return t._views.forEach((t=>{e.gpuMemoryMB+=t.getGraphicsMemoryInfo()/1e6})),t.renderers.forEach((n=>{const r=n.getViewProps(),o=t._views[0].getViewNodeFor(n);r.forEach((t=>{if(t.getVisibility()){e.propCount+=1;const n=t.getMapper&&t.getMapper();if(n&&n.getPrimitiveCount){const t=o.getViewNodeFor(n);if(t){e.gpuMemoryMB+=t.getAllocatedGPUMemoryInBytes()/1e6;const r=n.getPrimitiveCount();Object.keys(r).forEach((t=>{e[t]||(e[t]=0),e[t]+=r[t]}))}}}else e.invisiblePropCount+=1}))})),e.str=Object.keys(e).map((t=>`${t}: ${e[t]}`)).join("\n"),e},e.captureImages=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"image/png",r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return jt.setImmediate(e.render),t._views.map((e=>e.captureNextImage?e.captureNextImage(n,r):void 0)).filter((e=>!!e))}}const mx={defaultViewAPI:"WebGL",renderers:[],views:[],interactor:null,neverRendered:!0,numberOfLayers:1};function hx(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,mx,n),jt.obj(e,t),jt.setGet(e,t,["interactor","numberOfLayers","_views","defaultViewAPI"]),jt.get(e,t,["neverRendered"]),jt.getArray(e,t,["renderers"]),jt.moveToProtected(e,t,["views"]),jt.event(e,t,"completion"),gx(e,t)}var vx={newInstance:jt.newInstance(hx,"vtkRenderWindow"),extend:hx,registerViewConstructor:px,listViewAPIs:function(){return Object.keys(dx)},newAPISpecificView:fx};const yx={Unknown:0,LeftController:1,RightController:2},bx={Unknown:0,Trigger:1,TrackPad:2,Grip:3,Thumbstick:4,A:5,B:6,ApplicationMenu:7};var xx={Device:yx,Input:bx,Axis:{Unknown:0,TouchpadX:1,TouchpadY:2,ThumbstickX:3,ThumbstickY:4}};const{Device:Tx,Input:Cx}=xx,{vtkWarningMacro:Sx,vtkErrorMacro:Px,normalizeWheel:Ax,vtkOnceErrorMacro:Ix}=jt,wx={ctrlKey:!1,altKey:!1,shiftKey:!1},Ox={"xr-standard":[Cx.Trigger,Cx.Grip,Cx.TrackPad,Cx.Thumbstick,Cx.A,Cx.B]},Mx=["StartAnimation","Animation","EndAnimation","PointerEnter","PointerLeave","MouseEnter","MouseLeave","StartMouseMove","MouseMove","EndMouseMove","LeftButtonPress","LeftButtonRelease","MiddleButtonPress","MiddleButtonRelease","RightButtonPress","RightButtonRelease","KeyPress","KeyDown","KeyUp","StartMouseWheel","MouseWheel","EndMouseWheel","StartPinch","Pinch","EndPinch","StartPan","Pan","EndPan","StartRotate","Rotate","EndRotate","Button3D","Move3D","StartPointerLock","EndPointerLock","StartInteraction","Interaction","EndInteraction","AnimationFrameRateUpdate"];function Rx(e){e.cancelable&&e.preventDefault()}function Vx(e){const t=Object.create(null);return e.forEach((e=>{let{pointerId:n,position:r}=e;t[n]=r})),t}function Ex(e,t){t.classHierarchy.push("vtkRenderWindowInteractor");const n=new Set,r=new Map;let o=1;function a(n,r){t._forcedRenderer||(t.currentRenderer=e.findPokedRenderer(n,r))}e.start=()=>{(t.initialized||(e.initialize(),t.initialized))&&e.startEventLoop()},e.setRenderWindow=e=>{Px("you want to call setView(view) instead of setRenderWindow on a vtk.js interactor")},e.setInteractorStyle=n=>{t.interactorStyle!==n&&(null!=t.interactorStyle&&t.interactorStyle.setInteractor(null),t.interactorStyle=n,null!=t.interactorStyle&&t.interactorStyle.getInteractor()!==e&&t.interactorStyle.setInteractor(e))},e.initialize=()=>{t.initialized=!0,e.enable(),e.render()},e.enable=()=>e.setEnabled(!0),e.disable=()=>e.setEnabled(!1),e.startEventLoop=()=>Sx("empty event loop"),e.getCurrentRenderer=()=>(t.currentRenderer||a(0,0),t.currentRenderer);const i=t._getScreenEventPositionFor||function(e){const n=t._view.getCanvas(),o=n.getBoundingClientRect(),i=n.width/o.width,s=n.height/o.height,l={x:i*(e.clientX-o.left),y:s*(o.height-e.clientY+o.top),z:0};return(r.size<=1||!t.currentRenderer)&&a(l.x,l.y),l};function s(e){return{controlKey:e.ctrlKey,altKey:e.altKey,shiftKey:e.shiftKey}}function l(e){const t=s(e);return{key:e.key,keyCode:e.charCode,...t}}function c(e){return e.pointerType||""}function u(){t._view&&t.enabled&&t.enableRender&&(t.inRender=!0,t._view.traverseAllPasses(),t.inRender=!1),e.invokeRenderEvent()}e.bindEvents=n=>{t.container=n,n.addEventListener("contextmenu",Rx),n.addEventListener("wheel",e.handleWheel),n.addEventListener("DOMMouseScroll",e.handleWheel),n.addEventListener("pointerenter",e.handlePointerEnter),n.addEventListener("pointerleave",e.handlePointerLeave),n.addEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.addEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.addEventListener("pointerup",e.handlePointerUp),n.addEventListener("pointercancel",e.handlePointerCancel),document.addEventListener("keypress",e.handleKeyPress),document.addEventListener("keydown",e.handleKeyDown),document.addEventListener("keyup",e.handleKeyUp),document.addEventListener("pointerlockchange",e.handlePointerLockChange),n.style.touchAction="none",n.style.userSelect="none",n.style.webkitTapHighlightColor="rgba(0,0,0,0)"},e.unbindEvents=()=>{const{container:n}=t;n.removeEventListener("contextmenu",Rx),n.removeEventListener("wheel",e.handleWheel),n.removeEventListener("DOMMouseScroll",e.handleWheel),n.removeEventListener("pointerenter",e.handlePointerEnter),n.removeEventListener("pointerleave",e.handlePointerLeave),n.removeEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.removeEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.removeEventListener("pointerup",e.handlePointerUp),n.removeEventListener("pointercancel",e.handlePointerCancel),document.removeEventListener("keypress",e.handleKeyPress),document.removeEventListener("keydown",e.handleKeyDown),document.removeEventListener("keyup",e.handleKeyUp),document.removeEventListener("pointerlockchange",e.handlePointerLockChange),t.container=null,r.clear()},e.handleKeyPress=t=>{const n=l(t);e.keyPressEvent(n)},e.handleKeyDown=t=>{const n=l(t);e.keyDownEvent(n)},e.handleKeyUp=t=>{const n=l(t);e.keyUpEvent(n)},e.handlePointerEnter=t=>{const n={...s(t),position:i(t),deviceType:c(t)};e.pointerEnterEvent(n),"mouse"===n.deviceType&&e.mouseEnterEvent(n)},e.handlePointerLeave=t=>{const n={...s(t),position:i(t),deviceType:c(t)};e.pointerLeaveEvent(n),"mouse"===n.deviceType&&e.mouseLeaveEvent(n)},e.handlePointerDown=n=>{if(!(n.button>2||e.isPointerLocked()))switch(t.preventDefaultOnPointerDown&&Rx(n),n.target.hasPointerCapture(n.pointerId)&&n.target.releasePointerCapture(n.pointerId),t.container.setPointerCapture(n.pointerId),r.has(n.pointerId)&&Sx("[RenderWindowInteractor] duplicate pointerId 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pressed: ${t.button}`)}},e.requestPointerLock=()=>{t.container&&t.container.requestPointerLock()},e.exitPointerLock=()=>document.exitPointerLock?.(),e.isPointerLocked=()=>!!t.container&&document.pointerLockElement===t.container,e.handlePointerLockChange=()=>{e.isPointerLocked()?e.startPointerLockEvent():e.endPointerLockEvent()},e.requestAnimation=r=>{void 0!==r?n.has(r)?Sx("requester is already registered for animating"):(n.add(r),t.animationRequest||1!==n.size||t.xrAnimation||(t._animationStartTime=Date.now(),t._animationFrameCount=0,t.animationRequest=requestAnimationFrame(e.handleAnimation),e.startAnimationEvent())):Px("undefined requester, can not start animating")},e.extendAnimation=r=>{const o=Date.now()+r;t._animationExtendedEnd=Math.max(t._animationExtendedEnd,o),t.animationRequest||0!==n.size||t.xrAnimation||(t._animationStartTime=Date.now(),t._animationFrameCount=0,t.animationRequest=requestAnimationFrame(e.handleAnimation),e.startAnimationEvent())},e.isAnimating=()=>t.xrAnimation||null!==t.animationRequest,e.cancelAnimation=function(r){let o=arguments.length>1&&void 0!==arguments[1]&&arguments[1];if(n.has(r))n.delete(r),t.animationRequest&&0===n.size&&Date.now()>t._animationExtendedEnd&&(cancelAnimationFrame(t.animationRequest),t.animationRequest=null,e.endAnimationEvent(),e.render());else if(!o){const e=r&&r.getClassName?r.getClassName():r;Sx(`${e} did not request an animation`)}},e.switchToXRAnimation=()=>{t.animationRequest&&(cancelAnimationFrame(t.animationRequest),t.animationRequest=null),t.xrAnimation=!0},e.returnFromXRAnimation=()=>{t.xrAnimation=!1,0!==n.size&&(t.recentAnimationFrameRate=10,t.animationRequest=requestAnimationFrame(e.handleAnimation))},e.updateXRGamepads=(n,r,o)=>{n.inputSources.forEach((n=>{const a=null==n.gripSpace?null:r.getPose(n.gripSpace,o),i=n.gamepad,s=n.handedness;if(i){i.index in t.lastGamepadValues||(t.lastGamepadValues[i.index]={left:{buttons:{}},right:{buttons:{}},none:{buttons:{}}});for(let r=0;r{const r={...s(n),position:i(n),deviceType:c(n)};0===t.moveTimeoutID?e.startMouseMoveEvent(r):(e.mouseMoveEvent(r),clearTimeout(t.moveTimeoutID)),t.moveTimeoutID=setTimeout((()=>{e.endMouseMoveEvent(),t.moveTimeoutID=0}),200)},e.handleAnimation=()=>{const r=Date.now();t._animationFrameCount++,r-t._animationStartTime>1e3&&t._animationFrameCount>1&&(t.recentAnimationFrameRate=1e3*(t._animationFrameCount-1)/(r-t._animationStartTime),t.lastFrameTime=1/t.recentAnimationFrameRate,e.animationFrameRateUpdateEvent(),t._animationStartTime=r,t._animationFrameCount=1),e.animationEvent(),u(),n.size>0||Date.now(){Rx(n);const r={...Ax(n),...s(n),position:i(n),deviceType:c(n)};0===t.wheelTimeoutID&&(o=Math.abs(r.spinY)>=.3?Math.abs(r.spinY):1),r.spinY/=o,0===t.wheelTimeoutID?(e.startMouseWheelEvent(r),e.mouseWheelEvent(r)):(e.mouseWheelEvent(r),clearTimeout(t.wheelTimeoutID)),t.mouseScrollDebounceByPass?(e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0):t.wheelTimeoutID=setTimeout((()=>{e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0}),200)},e.handleMouseUp=t=>{const n={...s(t),position:i(t),deviceType:c(t)};switch(t.button){case 0:e.leftButtonReleaseEvent(n);break;case 1:e.middleButtonReleaseEvent(n);break;case 2:e.rightButtonReleaseEvent(n);break;default:Px(`Unknown mouse button released: ${t.button}`)}},e.handleTouchStart=n=>{const o=[...r.values()];if(t.recognizeGestures&&o.length>1){const t=Vx(r);if(2===o.length){const t={...s(wx),position:o[0].position,deviceType:c(n)};e.leftButtonReleaseEvent(t)}e.recognizeGesture("TouchStart",t)}else if(1===o.length){const t={...s(wx),position:i(n),deviceType:c(n)};e.leftButtonPressEvent(t)}},e.handleTouchMove=n=>{const o=[...r.values()];if(t.recognizeGestures&&o.length>1){const t=Vx(r);e.recognizeGesture("TouchMove",t)}else if(1===o.length){const t={...s(wx),position:o[0].position,deviceType:c(n)};e.mouseMoveEvent(t)}},e.handleTouchEnd=n=>{const o=[...r.values()];if(t.recognizeGestures)if(0===o.length){const t={...s(wx),position:i(n),deviceType:c(n)};e.leftButtonReleaseEvent(t)}else if(1===o.length){const t=Vx(r);e.recognizeGesture("TouchEnd",t);const a={...s(wx),position:o[0].position,deviceType:c(n)};e.leftButtonPressEvent(a)}else{const t=Vx(r);e.recognizeGesture("TouchMove",t)}else if(1===o.length){const t={...s(wx),position:o[0].position,deviceType:c(n)};e.leftButtonReleaseEvent(t)}},e.setView=n=>{t._view!==n&&(t._view=n,t._view.getRenderable().setInteractor(e),e.modified())},e.getFirstRenderer=()=>t._view?.getRenderable()?.getRenderersByReference()?.[0],e.findPokedRenderer=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;if(!t._view)return null;const r=t._view?.getRenderable()?.getRenderers();if(!r||0===r.length)return null;r.sort(((e,t)=>e.getLayer()-t.getLayer()));let o=null,a=null,i=null,s=r.length;for(;s--;){const l=r[s];if(t._view.isInViewport(e,n,l)&&l.getInteractive()){i=l;break}null===o&&l.getInteractive()&&(o=l),null===a&&t._view.isInViewport(e,n,l)&&(a=l)}return null===i&&(i=o),null===i&&(i=a),null==i&&(i=r[0]),i},e.render=()=>{e.isAnimating()||t.inRender||u()},Mx.forEach((n=>{const r=n.charAt(0).toLowerCase()+n.slice(1);e[`${r}Event`]=r=>{if(!t.enabled)return;if(!e.getCurrentRenderer())return void Ix("\n Can not forward events without a current renderer on the interactor.\n ");const o={type:n,pokedRenderer:t.currentRenderer,firstRenderer:e.getFirstRenderer(),...r};e[`invoke${n}`](o)}})),e.recognizeGesture=(n,r)=>{if(Object.keys(r).length>2)return;if(t.startingEventPositions||(t.startingEventPositions={}),"TouchStart"===n)return Object.keys(r).forEach((e=>{t.startingEventPositions[e]=r[e]})),void(t.currentGesture="Start");if("TouchEnd"===n)return"Pinch"===t.currentGesture&&(e.render(),e.endPinchEvent()),"Rotate"===t.currentGesture&&(e.render(),e.endRotateEvent()),"Pan"===t.currentGesture&&(e.render(),e.endPanEvent()),t.currentGesture="Start",void(t.startingEventPositions={});let o=0;const a=[],i=[];Object.keys(r).forEach((e=>{a[o]=r[e],i[o]=t.startingEventPositions[e],o++}));const s=Math.sqrt((i[0].x-i[1].x)*(i[0].x-i[1].x)+(i[0].y-i[1].y)*(i[0].y-i[1].y)),l=Math.sqrt((a[0].x-a[1].x)*(a[0].x-a[1].x)+(a[0].y-a[1].y)*(a[0].y-a[1].y));let c=Ro(Math.atan2(i[1].y-i[0].y,i[1].x-i[0].x)),u=Ro(Math.atan2(a[1].y-a[0].y,a[1].x-a[0].x)),d=u-c;u=u+180>=360?u-180:u+180,c=c+180>=360?c-180:c+180,Math.abs(u-c)n&&o>a&&o>i){t.currentGesture="Pinch";const n={scale:1,touches:r};e.startPinchEvent(n)}else if(a>n&&a>i){t.currentGesture="Rotate";const n={rotation:0,touches:r};e.startRotateEvent(n)}else if(i>n){t.currentGesture="Pan";const n={translation:[0,0],touches:r};e.startPanEvent(n)}}else{if("Rotate"===t.currentGesture){const t={rotation:d,touches:r};e.rotateEvent(t)}if("Pinch"===t.currentGesture){const t={scale:l/s,touches:r};e.pinchEvent(t)}if("Pan"===t.currentGesture){const t={translation:p,touches:r};e.panEvent(t)}}},e.handleVisibilityChange=()=>{t._animationStartTime=Date.now(),t._animationFrameCount=0},e.setCurrentRenderer=e=>{t._forcedRenderer=!!e,t.currentRenderer=e};const d=e.delete;e.delete=()=>{for(;n.size;)e.cancelAnimation(n.values().next().value);void 0!==document.hidden&&document.removeEventListener("visibilitychange",e.handleVisibilityChange),t.container&&e.unbindEvents(),d()},void 0!==document.hidden&&document.addEventListener("visibilitychange",e.handleVisibilityChange,!1)}const Dx={renderWindow:null,interactorStyle:null,picker:null,pickingManager:null,initialized:!1,enabled:!1,enableRender:!0,currentRenderer:null,lightFollowCamera:!0,desiredUpdateRate:30,stillUpdateRate:2,container:null,recognizeGestures:!0,currentGesture:"Start",animationRequest:null,lastFrameTime:.1,recentAnimationFrameRate:10,wheelTimeoutID:0,moveTimeoutID:0,lastGamepadValues:{},preventDefaultOnPointerDown:!1,preventDefaultOnPointerUp:!1,mouseScrollDebounceByPass:!1};function Lx(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Dx,n),jt.obj(e,t),t._animationExtendedEnd=0,jt.event(e,t,"RenderEvent"),Mx.forEach((n=>jt.event(e,t,n))),jt.get(e,t,["initialized","container","interactorStyle","lastFrameTime","recentAnimationFrameRate","_view"]),jt.setGet(e,t,["lightFollowCamera","enabled","enableRender","recognizeGestures","desiredUpdateRate","stillUpdateRate","picker","preventDefaultOnPointerDown","preventDefaultOnPointerUp","mouseScrollDebounceByPass"]),jt.moveToProtected(e,t,["view"]),Ex(e,t)}var Bx={newInstance:jt.newInstance(Lx,"vtkRenderWindowInteractor"),extend:Lx,handledEvents:Mx,...xx};const{vtkErrorMacro:Nx,VOID:kx}=jt;function Fx(e,t){t.classHierarchy.push("vtkInteractorObserver");const n={...e};function r(){for(;t.subscribedEvents.length;)t.subscribedEvents.pop().unsubscribe()}function o(){Bx.handledEvents.forEach((n=>{e[`handle${n}`]&&t.subscribedEvents.push(t._interactor[`on${n}`]((r=>t.processEvents?e[`handle${n}`](r):kx),t.priority))}))}e.setInteractor=n=>{n!==t._interactor&&(r(),t._interactor=n,n&&t.enabled&&o(),e.modified())},e.setEnabled=n=>{n!==t.enabled&&(r(),n&&(t._interactor?o():Nx("\n The interactor must be set before subscribing to events\n ")),t.enabled=n,e.modified())},e.computeDisplayToWorld=(e,n,r,o)=>e?t._interactor.getView().displayToWorld(n,r,o,e):null,e.computeWorldToDisplay=(e,n,r,o)=>e?t._interactor.getView().worldToDisplay(n,r,o,e):null,e.setPriority=e=>{n.setPriority(e)&&t._interactor&&(r(),o())}}const _x={enabled:!0,priority:0,processEvents:!0,subscribedEvents:[]};function Gx(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,_x,n),jt.obj(e,t),jt.event(e,t,"InteractionEvent"),jt.event(e,t,"StartInteractionEvent"),jt.event(e,t,"EndInteractionEvent"),jt.get(e,t,["_interactor","enabled"]),jt.setGet(e,t,["priority","processEvents"]),jt.moveToProtected(e,t,["interactor"]),Fx(e,t)}var Ux={newInstance:jt.newInstance(Gx,"vtkInteractorObserver"),extend:Gx,computeWorldToDisplay:function(e,t,n,r){return e.getRenderWindow().getViews()[0].worldToDisplay(t,n,r,e)},computeDisplayToWorld:function(e,t,n,r){return e.getRenderWindow().getViews()[0].displayToWorld(t,n,r,e)}};const zx={IS_START:0,IS_NONE:0,IS_ROTATE:1,IS_PAN:2,IS_SPIN:3,IS_DOLLY:4,IS_CAMERA_POSE:11,IS_WINDOW_LEVEL:1024,IS_SLICE:1025};var Wx={States:zx};const{States:Hx}=Wx,jx={Rotate:Hx.IS_ROTATE,Pan:Hx.IS_PAN,Spin:Hx.IS_SPIN,Dolly:Hx.IS_DOLLY,CameraPose:Hx.IS_CAMERA_POSE,WindowLevel:Hx.IS_WINDOW_LEVEL,Slice:Hx.IS_SLICE};function Kx(e,t){t.classHierarchy.push("vtkInteractorStyle"),Object.keys(jx).forEach((n=>{jt.event(e,t,`Start${n}Event`),e[`start${n}`]=()=>{t.state===Hx.IS_NONE&&(t.state=jx[n],t._interactor.requestAnimation(e),e.invokeStartInteractionEvent({type:"StartInteractionEvent"}),e[`invokeStart${n}Event`]({type:`Start${n}Event`}))},jt.event(e,t,`End${n}Event`),e[`end${n}`]=()=>{t.state===jx[n]&&(t.state=Hx.IS_NONE,t._interactor.cancelAnimation(e),e.invokeEndInteractionEvent({type:"EndInteractionEvent"}),e[`invokeEnd${n}Event`]({type:`End${n}Event`}),t._interactor.render())}})),e.handleKeyPress=e=>{const n=t._interactor;let r=null;switch(e.key){case"r":case"R":e.pokedRenderer.resetCamera(),n.render();break;case"w":case"W":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToWireframe&&t.setRepresentationToWireframe()})),n.render();break;case"s":case"S":r=e.pokedRenderer.getActors(),r.forEach((e=>{const 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c=o*l*t.motionFactor,u=a*s*t.motionFactor,d=e.getActiveCamera();Number.isNaN(c)||Number.isNaN(u)||(d.azimuth(c),d.elevation(u),d.orthogonalizeViewUp()),t.autoAdjustCameraClippingRange&&e.resetCameraClippingRange(),r.getLightFollowCamera()&&e.updateLightsGeometryToFollowCamera()},e.handleMouseSpin=(e,n)=>{if(!t.previousPosition)return;const r=t._interactor,o=e.getActiveCamera(),a=r.getView().getViewportCenter(e),i=Ro(Math.atan2(t.previousPosition.y-a[1],t.previousPosition.x-a[0])),s=Ro(Math.atan2(n.y-a[1],n.x-a[0]))-i;Number.isNaN(s)||(o.roll(s),o.orthogonalizeViewUp())},e.handleMousePan=(n,r)=>{if(!t.previousPosition)return;const o=n.getActiveCamera();let a=o.getFocalPoint();a=e.computeWorldToDisplay(n,a[0],a[1],a[2]);const i=a[2],s=e.computeDisplayToWorld(n,r.x,r.y,i),l=e.computeDisplayToWorld(n,t.previousPosition.x,t.previousPosition.y,i),c=[];c[0]=l[0]-s[0],c[1]=l[1]-s[1],c[2]=l[2]-s[2],a=o.getFocalPoint();const 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eT={newInstance:jt.newInstance(Jx,"vtkInteractorStyleTrackballCamera"),extend:Jx};function tT(e){return e}function nT(e){return null===e||"null"===e?null:"true"===e||"false"!==e&&(void 0!==e&&"undefined"!==e?"["===e[0]&&"]"===e[e.length-1]?e.substring(1,e.length-1).split(",").map((e=>nT(e.trim()))):""===e||Number.isNaN(Number(e))?e:Number(e):void 0)}var rT=function(){let e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0],t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:window.location.search;const n={},r=e?nT:tT,o=(t||"").replace(/#.*/,"").replace("?","").split("&");return o.forEach((e=>{const[t,o]=e.split("=").map((e=>decodeURIComponent(e)));t&&(n[t]=!o||r(o))})),n};function oT(e,t){t.classHierarchy.push("vtkRenderPass"),e.getOperation=()=>t.currentOperation,e.setCurrentOperation=e=>{t.currentOperation=e,t.currentTraverseOperation=`traverse${jt.capitalize(t.currentOperation)}`},e.getTraverseOperation=()=>t.currentTraverseOperation,e.traverse=function(n){let 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n=e.getSize(),r=e.getContext();t.framebuffer=$p.newInstance(),t.framebuffer.setOpenGLRenderWindow(e),t.framebuffer.create(...n),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind(),t.translucentRGBATexture=Fd.newInstance(),t.translucentRGBATexture.setInternalFormat(r.RGBA16F),t.translucentRGBATexture.setFormat(r.RGBA),t.translucentRGBATexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRGBATexture.setOpenGLRenderWindow(e),t.translucentRGBATexture.create2DFromRaw(n[0],n[1],4,"Float32Array",null),t.translucentRTexture=Fd.newInstance(),t.translucentRTexture.setInternalFormat(r.R16F),t.translucentRTexture.setFormat(r.RED),t.translucentRTexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRTexture.setOpenGLRenderWindow(e),t.translucentRTexture.create2DFromRaw(n[0],n[1],1,"Float32Array",null),t.translucentZTexture=Fd.newInstance(),t.translucentZTexture.setOpenGLRenderWindow(e),t.translucentZTexture.createDepthFromRaw(n[0],n[1],"Float32Array",null),t.framebuffer.setColorBuffer(t.translucentRGBATexture,0),t.framebuffer.setColorBuffer(t.translucentRTexture,1),t.framebuffer.setDepthBuffer(t.translucentZTexture)},e.createCopyShader=e=>{t.copyShader=e.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","attribute vec2 tcoordTC;","varying vec2 tcoord;","void main() { tcoord = tcoordTC; gl_Position = vertexDC; }"].join("\n"),"//VTK::System::Dec\n\nin vec2 tcoord;\n\nuniform sampler2D translucentRTexture;\nuniform sampler2D translucentRGBATexture;\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n vec4 t1Color = texture(translucentRGBATexture, tcoord);\n float t2Color = texture(translucentRTexture, tcoord).r;\n gl_FragData[0] = vec4(t1Color.rgb/max(t2Color,0.01), 1.0 - t1Color.a);\n}\n","")},e.createVBO=n=>{const r=n.getContext();t.tris.setOpenGLRenderWindow(n),e.createVertexBuffer();const o=t.copyShader;t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(o,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),r.FLOAT,3,r.FALSE)||cT("Error setting vertexDC in copy shader 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r=t.framebuffer.getSize();null===r||r[0]!==a[0]||r[1]!==a[1]?(t.framebuffer.releaseGraphicsResources(),t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRTexture.releaseGraphicsResources(n),t.translucentZTexture.releaseGraphicsResources(n),e.createFramebuffer(n)):(t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind())}i.drawBuffers([i.COLOR_ATTACHMENT0]),i.clearBufferfv(i.COLOR,0,[0,0,0,0]),i.clearBufferfv(i.DEPTH,0,[1]),i.colorMask(!1,!1,!1,!1),o.getOpaqueActorCount()>0&&(o.setCurrentOperation("opaqueZBufferPass"),r.traverse(o)),i.colorMask(!0,!0,!0,!0),i.drawBuffers([i.COLOR_ATTACHMENT0,i.COLOR_ATTACHMENT1]),i.viewport(0,0,a[0],a[1]),i.scissor(0,0,a[0],a[1]),i.clearBufferfv(i.COLOR,0,[0,0,0,1]),i.clearBufferfv(i.COLOR,1,[0,0,0,0]),i.enable(i.DEPTH_TEST),i.enable(i.BLEND),i.blendFuncSeparate(i.ONE,i.ONE,i.ZERO,i.ONE_MINUS_SRC_ALPHA),e.setCurrentOperation("translucentPass"),r.traverse(e),i.drawBuffers([i.NONE]),t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader?e.createCopyShader(n):n.getShaderCache().readyShaderProgram(t.copyShader),t.copyVAO||(t.copyVAO=md.newInstance(),t.copyVAO.setOpenGLRenderWindow(n)),t.copyVAO.bind(),t.VBOBuildTime.getMTime()t._supported?uT:null,e.releaseGraphicsResources=n=>{t.framebuffer&&(t.framebuffer.releaseGraphicsResources(n),t.framebuffer=null),t.translucentRGBATexture&&(t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRGBATexture=null),t.translucentRTexture&&(t.translucentRTexture.releaseGraphicsResources(n),t.translucentRTexture=null),t.translucentZTexture&&(t.translucentZTexture.releaseGraphicsResources(n),t.translucentZTexture=null),t.copyVAO&&(t.copyVAO.releaseGraphicsResources(n),t.copyVAO=null),t.copyShader&&(t.copyShader.releaseGraphicsResources(n),t.copyShader=null),t.tris&&(t.tris.releaseGraphicsResources(n),t.tris=null),e.modified()}}const pT={framebuffer:null,copyShader:null,tris:null};function fT(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,pT,n),sT.extend(e,t,n),t.VBOBuildTime={},jt.obj(t.VBOBuildTime,{mtime:0}),t.tris=xd.newInstance(),jt.get(e,t,["framebuffer"]),dT(e,t)}var gT={newInstance:jt.newInstance(fT,"vtkOpenGLOrderIndependentTranslucentPass"),extend:fT};function mT(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getRenderable().getNumberOfLayers(),a=n.getChildren();for(let r=0;r0||t.translucentActorCount>0)&&t.volumeCount>0||t.depthRequested){const r=n.getFramebufferSize();null===t.framebuffer&&(t.framebuffer=$p.newInstance()),t.framebuffer.setOpenGLRenderWindow(n),t.framebuffer.saveCurrentBindingsAndBuffers();const 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hT={opaqueActorCount:0,translucentActorCount:0,volumeCount:0,overlayActorCount:0,framebuffer:null,depthRequested:!1};function vT(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,hT,n),sT.extend(e,t,n),jt.get(e,t,["framebuffer","opaqueActorCount","translucentActorCount","volumeCount"]),mT(e,t)}var yT={newInstance:jt.newInstance(vT,"vtkForwardPass"),extend:vT},bT=n(594),xT=n.n(bT);const TT=["lastShaderProgramBound","context","_openGLRenderWindow"];function CT(e,t){t.classHierarchy.push("vtkShaderCache"),e.replaceShaderValues=(e,n,r)=>{let o=n;r.length>0&&(o=dd.substitute(o,"VSOut","GSOut").result);const a=t._openGLRenderWindow.getWebgl2();let i="\n",s="#version 100\n";a?s="#version 300 es\n#define attribute in\n#define textureCube texture\n#define texture2D texture\n#define textureCubeLod textureLod\n#define texture2DLod textureLod\n":(t.context.getExtension("OES_standard_derivatives"),t.context.getExtension("EXT_frag_depth")&&(i="#extension 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    \t\t\t\t\t ")],["WebGL Renderer","RENDERER",n.getParameter(n.RENDERER)],["WebGL Vendor","VENDOR",n.getParameter(n.VENDOR)],["WebGL Version","VERSION",n.getParameter(n.VERSION)],["Shading Language Version","SHADING_LANGUAGE_VERSION",n.getParameter(n.SHADING_LANGUAGE_VERSION)],["Unmasked Renderer","UNMASKED_RENDERER",a&&n.getParameter(a.UNMASKED_RENDERER_WEBGL)],["Unmasked Vendor","UNMASKED_VENDOR",a&&n.getParameter(a.UNMASKED_VENDOR_WEBGL)],["WebGL Version","WEBGL_VERSION",t.webgl2?2:1]],c={};for(;l.length;){const[e,t,n]=l.pop();t&&(c[t]={label:e,value:n})}return t._glInformation=c,c},e.traverseAllPasses=()=>{if(t.renderPasses)for(let n=0;n0&&void 0!==arguments[0]?arguments[0]:t.imageFormat;const r=document.createElement("canvas"),o=r.getContext("2d");r.width=t.canvas.width,r.height=t.canvas.height,o.drawImage(t.canvas,0,0);const a=t.canvas.getBoundingClientRect(),i=t.renderable;i.getRenderers().forEach((e=>{e.getViewProps().forEach((e=>{if(e.getContainer){const t=e.getContainer().getElementsByTagName("canvas");for(let e=0;e{t.cullFaceEnabled&&(t.context.disable(t.context.CULL_FACE),t.cullFaceEnabled=!1)},e.enableCullFace=()=>{t.cullFaceEnabled||(t.context.enable(t.context.CULL_FACE),t.cullFaceEnabled=!0)},e.setViewStream=n=>t.viewStream!==n&&(t.subscription&&(t.subscription.unsubscribe(),t.subscription=null),t.viewStream=n,t.viewStream&&(t.renderable.getRenderers()[0].getBackgroundByReference()[3]=0,e.setUseBackgroundImage(!0),t.subscription=t.viewStream.onImageReady((t=>e.setBackgroundImage(t.image))),t.viewStream.setSize(t.size[0],t.size[1]),t.viewStream.invalidateCache(),t.viewStream.render(),e.modified()),!0),e.createSelector=()=>{const t=gf.newInstance();return t.setOpenGLRenderWindow(e),t},e.delete=jt.chain((function(){t.canvas.removeEventListener("webglcontextlost",WT),t.canvas.removeEventListener("webglcontextrestored",e.restoreContext)}),e.delete,e.setViewStream,zT),e.setActiveFramebuffer=e=>{t.activeFramebuffer=e};const a=e.setSize;e.setSize=(t,n)=>{const r=a(t,n);return r&&e.invokeWindowResizeEvent({width:t,height:n}),r},e.getGraphicsResourceForObject=e=>e?{vtkObj:t._graphicsResources.get(e),hash:t._graphicsResourceHash.get(e)}:null,e.setGraphicsResourceForObject=(e,n,r)=>{e&&(t._graphicsResources.set(e,n),t._graphicsResourceHash.set(e,r))},e.getGraphicsMemoryInfo=()=>{let e=0;return t._graphicsResources.forEach(((t,n)=>{e+=t.getAllocatedGPUMemoryInBytes()})),e},e.releaseGraphicsResourcesForObject=n=>!!n&&(t._graphicsResources.get(n)?.releaseGraphicsResources(e),t._graphicsResources.delete(n)&&t._graphicsResourceHash.delete(n)),e.releaseGraphicsResources=()=>{null!==t.shaderCache&&t.shaderCache.releaseGraphicsResources(e),t._graphicsResources.forEach(((t,n)=>{t.releaseGraphicsResources(e)})),t._graphicsResources.clear(),t._graphicsResourceHash.clear(),null!==t.textureUnitManager&&t.textureUnitManager.freeAll(),t.renderable.getRenderersByReference().forEach((t=>{e.getViewNodeFor(t)?.releaseGraphicsResources()}))}}const jT={cullFaceEnabled:!1,shaderCache:null,initialized:!1,context:null,canvas:null,cursorVisibility:!0,cursor:"pointer",textureUnitManager:null,textureResourceIds:null,containerSize:null,renderPasses:[],notifyStartCaptureImage:!1,webgl2:!1,defaultToWebgl2:!0,activeFramebuffer:null,imageFormat:"image/png",useOffScreen:!1,useBackgroundImage:!1};const KT=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,jT,n),LT.extend(e,t,n),t.canvas=document.createElement("canvas"),t.canvas.style.width="100%",UT(),t.selector||(t.selector=gf.newInstance(),t.selector.setOpenGLRenderWindow(e)),t.bgImage=new Image,t.bgImage.style.position="absolute",t.bgImage.style.left="0",t.bgImage.style.top="0",t.bgImage.style.width="100%",t.bgImage.style.height="100%",t.bgImage.style.zIndex="-1",t._textureResourceIds=new Map,t._graphicsResources=new Map,t._graphicsResourceHash=new Map,t._glInformation=null,t.myFactory=ln.newInstance(),t.myFactory.registerOverride("vtkRenderWindow",KT),t.shaderCache=AT.newInstance(),t.shaderCache.setOpenGLRenderWindow(e),t.renderPasses[0]=yT.newInstance(),jt.event(e,t,"imageReady"),jt.get(e,t,["shaderCache","textureUnitManager","webgl2","useBackgroundImage","activeFramebuffer"]),jt.setGet(e,t,["initialized","context","canvas","renderPasses","notifyStartCaptureImage","defaultToWebgl2","cursor","useOffScreen"]),jt.setGetArray(e,t,["size"],2),jt.event(e,t,"windowResizeEvent"),HT(e,t)}),"vtkOpenGLRenderWindow");px("WebGL",KT);const $T=["setBindGroup","setIndexBuffer","setVertexBuffer","draw","drawIndexed"];function qT(e,t){t.classHierarchy.push("vtkWebGPURenderEncoder"),e.begin=e=>{t.drawCallbacks=[],t.handle=e.beginRenderPass(t.description),t.label&&t.handle.pushDebugGroup(t.label)},e.end=()=>{for(let n=0;n{if(t.boundPipeline===e)return;t.handle.setPipeline(e.getHandle());const n=e.getPipelineDescription();if(t.colorTextureViews.length!==n.fragment.targets.length)console.log(`mismatched attachment counts on pipeline ${n.fragment.targets.length} while encoder has ${t.colorTextureViews.length}`),console.trace();else for(let e=0;e{t.replaceShaderCodeFunction(e)},e.setColorTextureView=(e,n)=>{t.colorTextureViews[e]!==n&&(t.colorTextureViews[e]=n)},e.activateBindGroup=e=>{const n=t.boundPipeline.getDevice(),r=t.boundPipeline.getBindGroupLayoutCount(e.getLabel());t.handle.setBindGroup(r,e.getBindGroup(n));const o=n.getBindGroupLayoutDescription(e.getBindGroupLayout(n)),a=n.getBindGroupLayoutDescription(t.boundPipeline.getBindGroupLayout(r));o!==a&&(console.log(`renderEncoder ${t.pipelineHash} mismatched bind group layouts bind group has\n${o}\n versus pipeline\n${a}\n`),console.trace())},e.attachTextureViews=()=>{for(let e=0;e{for(let r=0;r2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,XT,n),yt(e,t),t.description={colorAttachments:[{view:void 0,loadOp:"load",storeOp:"store"}],depthStencilAttachment:{view:void 0,depthLoadOp:"clear",depthClearValue:0,depthStoreOp:"store"}},t.replaceShaderCodeFunction=e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Zm.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = computedColor;"]).result,t.setCode(n)},t.pipelineSettings={primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater-equal",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}},t.colorTextureViews=[],xt(e,t,["boundPipeline","colorTextureViews"]),Pt(e,t,["depthTextureView","description","handle","label","pipelineHash","pipelineSettings","replaceShaderCodeFunction"]),qT(e,t)}var ZT={newInstance:Et(YT,"vtkWebGPURenderEncoder"),extend:YT};function QT(e,t){t.classHierarchy.push("vtkWebGPUOpaquePass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.renderEncoder)t.colorTexture.resize(r.getCanvas().width,r.getCanvas().height),t.depthTexture.resize(r.getCanvas().width,r.getCanvas().height);else{e.createRenderEncoder(),t.colorTexture=Py.newInstance({label:"opaquePassColor"}),t.colorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const n=t.colorTexture.createView("opaquePassColorTexture");t.renderEncoder.setColorTextureView(0,n),t.depthFormat="depth32float",t.depthTexture=Py.newInstance({label:"opaquePassDepth"}),t.depthTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:t.depthFormat,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const a=t.depthTexture.createView("opaquePassDepthTexture");t.renderEncoder.setDepthTextureView(a)}t.renderEncoder.attachTextureViews(),e.setCurrentOperation("opaquePass"),n.setRenderEncoder(t.renderEncoder),n.traverse(e)},e.getColorTextureView=()=>t.renderEncoder.getColorTextureViews()[0],e.getDepthTextureView=()=>t.renderEncoder.getDepthTextureView(),e.createRenderEncoder=()=>{t.renderEncoder=ZT.newInstance({label:"OpaquePass"}),t.renderEncoder.setPipelineHash("op")}}const JT={renderEncoder:null,colorTexture:null,depthTexture:null};function eC(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,JT,n),sT.extend(e,t,n),jt.get(e,t,["colorTexture","depthTexture"]),QT(e,t)}var tC={newInstance:jt.newInstance(eC,"vtkWebGPUOpaquePass"),extend:eC};function nC(e,t){t.classHierarchy.push("vtkWebGPUOrderIndependentTranslucentPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.translucentRenderEncoder)t.translucentColorTexture.resizeToMatch(t.colorTextureView.getTexture()),t.translucentAccumulateTexture.resizeToMatch(t.colorTextureView.getTexture());else{e.createRenderEncoder(),e.createFinalEncoder(),t.translucentColorTexture=Py.newInstance({label:"translucentPassColor"}),t.translucentColorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const n=t.translucentColorTexture.createView("oitpColorTexture");t.translucentRenderEncoder.setColorTextureView(0,n),t.translucentAccumulateTexture=Py.newInstance({label:"translucentPassAccumulate"}),t.translucentAccumulateTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const a=t.translucentAccumulateTexture.createView("oitpAccumTexture");t.translucentRenderEncoder.setColorTextureView(1,a),t.fullScreenQuad=Oh.newInstance(),t.fullScreenQuad.setDevice(r.getDevice()),t.fullScreenQuad.setPipelineHash("oitpfsq"),t.fullScreenQuad.setTextureViews(t.translucentRenderEncoder.getColorTextureViews()),t.fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var tcoord: vec2 = vec2(i32(input.fragPos.x), i32(input.fragPos.y));\n var reveal: f32 = textureLoad(oitpAccumTexture, tcoord, 0).r;\n if (reveal == 1.0) { discard; }\n var tcolor: vec4 = textureLoad(oitpColorTexture, tcoord, 0);\n var total: f32 = max(tcolor.a, 0.01);\n var computedColor: vec4 = vec4(tcolor.r/total, tcolor.g/total, tcolor.b/total, 1.0 - reveal);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n")}t.translucentRenderEncoder.setDepthTextureView(t.depthTextureView),t.translucentRenderEncoder.attachTextureViews(),e.setCurrentOperation("translucentPass"),n.setRenderEncoder(t.translucentRenderEncoder),n.traverse(e),e.finalPass(r,n)},e.finalPass=(e,n)=>{t.translucentFinalEncoder.setColorTextureView(0,t.colorTextureView),t.translucentFinalEncoder.attachTextureViews(),t.translucentFinalEncoder.begin(e.getCommandEncoder()),n.scissorAndViewport(t.translucentFinalEncoder),t.fullScreenQuad.prepareAndDraw(t.translucentFinalEncoder),t.translucentFinalEncoder.end()},e.getTextures=()=>[t.translucentColorTexture,t.translucentAccumulateTexture],e.createRenderEncoder=()=>{t.translucentRenderEncoder=ZT.newInstance({label:"translucentRender"});const e=t.translucentRenderEncoder.getDescription();e.colorAttachments=[{view:void 0,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:void 0,clearValue:[1,0,0,0],loadOp:"clear",storeOp:"store"}],e.depthStencilAttachment={view:void 0,depthLoadOp:"load",depthStoreOp:"store"},t.translucentRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor"),t.addOutput("f32","outAccum"),t.addBuiltinInput("vec4","@builtin(position) fragPos");let n=t.getCode();n=Zm.substitute(n,"//VTK::RenderEncoder::Impl",["var w: f32 = computedColor.a * pow(0.1 + input.fragPos.z, 2.0);","output.outColor = vec4(computedColor.rgb*w, w);","output.outAccum = computedColor.a;"]).result,t.setCode(n)})),t.translucentRenderEncoder.setPipelineHash("oitpr"),t.translucentRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!1,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one"},alpha:{srcfactor:"one",dstFactor:"one"}}},{format:"r16float",blend:{color:{srcFactor:"zero",dstFactor:"one-minus-src"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createFinalEncoder=()=>{t.translucentFinalEncoder=ZT.newInstance({label:"translucentFinal"}),t.translucentFinalEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t.translucentFinalEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor"),t.addBuiltinInput("vec4","@builtin(position) fragPos");let n=t.getCode();n=Zm.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t.translucentFinalEncoder.setPipelineHash("oitpf"),t.translucentFinalEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})}}const rC={colorTextureView:null,depthTextureView:null};function oC(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,rC,n),sT.extend(e,t,n),jt.setGet(e,t,["colorTextureView","depthTextureView"]),nC(e,t)}var aC={newInstance:jt.newInstance(oC,"vtkWebGPUOrderIndependentTranslucentPass"),extend:oC};const iC="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Volume::TraverseDec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\nfn getTextureValue(vTex: texture_3d, tpos: vec4) -> f32\n{\n // todo multicomponent support\n return textureSampleLevel(vTex, clampSampler, tpos.xyz, 0.0).r;\n}\n\nfn getGradient(vTex: texture_3d, tpos: vec4, vNum: i32, scalar: f32) -> vec4\n{\n var result: vec4;\n\n var tstep: vec4 = volumeSSBO.values[vNum].tstep;\n result.x = getTextureValue(vTex, tpos + vec4(tstep.x, 0.0, 0.0, 1.0)) - scalar;\n result.y = getTextureValue(vTex, tpos + vec4(0.0, tstep.y, 0.0, 1.0)) - scalar;\n result.z = getTextureValue(vTex, tpos + vec4(0.0, 0.0, tstep.z, 1.0)) - scalar;\n result.w = 0.0;\n\n // divide by spacing as that is our delta\n result = result / volumeSSBO.values[vNum].spacing;\n // now we have a gradient in unit tcoords\n\n var grad: f32 = length(result.xyz);\n if (grad > 0.0)\n {\n // rotate to View Coords, needed for lighting and shading\n var nMat: mat4x4 = rendererUBO.SCVCMatrix * volumeSSBO.values[vNum].planeNormals;\n result = nMat * result;\n result = result / length(result);\n }\n\n // store gradient magnitude in .w\n result.w = grad;\n\n return result;\n}\n\nfn processVolume(vTex: texture_3d, vNum: i32, cNum: i32, posSC: vec4, tfunRows: f32) -> vec4\n{\n var outColor: vec4 = vec4(0.0, 0.0, 0.0, 0.0);\n\n // convert to tcoords and reject if outside the volume\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*posSC;\n if (tpos.x < 0.0 || tpos.y < 0.0 || tpos.z < 0.0 ||\n tpos.x > 1.0 || tpos.y > 1.0 || tpos.z > 1.0) { return outColor; }\n\n var scalar: f32 = getTextureValue(vTex, tpos);\n\n var coord: vec2 =\n vec2(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n (0.5 + 2.0 * f32(vNum)) / tfunRows);\n var color: vec4 = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n\n var gofactor: f32 = 1.0;\n var normal: vec4 = vec4(0.0,0.0,0.0,0.0);\n if (componentSSBO.values[cNum].gomin < 1.0 || volumeSSBO.values[vNum].shade[0] > 0.0)\n {\n normal = getGradient(vTex, tpos, vNum, scalar);\n if (componentSSBO.values[cNum].gomin < 1.0)\n {\n gofactor = clamp(normal.a*componentSSBO.values[cNum].goScale + componentSSBO.values[cNum].goShift,\n componentSSBO.values[cNum].gomin, componentSSBO.values[cNum].gomax);\n }\n }\n\n coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n\n if (volumeSSBO.values[vNum].shade[0] > 0.0)\n {\n color = color*abs(normal.z);\n }\n\n outColor = vec4(color.rgb, gofactor * opacity);\n\n return outColor;\n}\n\n// adjust the start and end point of a raycast such that it intersects the unit cube.\n// This function is used to take a raycast starting point and step vector\n// and numSteps and return the startijng and ending steps for intersecting the\n// unit cube. Recall for a 3D texture, the unit cube is the range of texture coordsinates\n// that have valid values. So this funtion can be used to take a ray in texture coordinates\n// and bound it to intersecting the texture.\n//\nfn adjustBounds(tpos: vec4, tstep: vec4, numSteps: f32) -> vec2\n{\n var result: vec2 = vec2(0.0, numSteps);\n var tpos2: vec4 = tpos + tstep*numSteps;\n\n // move tpos to the start of the volume\n var adjust: f32 =\n min(\n max(tpos.x/tstep.x, (tpos.x - 1.0)/tstep.x),\n min(\n max((tpos.y - 1.0)/tstep.y, tpos.y/tstep.y),\n max((tpos.z - 1.0)/tstep.z, tpos.z/tstep.z)));\n if (adjust < 0.0)\n {\n result.x = result.x - adjust;\n }\n\n // adjust length to the end\n adjust =\n max(\n min(tpos2.x/tstep.x, (tpos2.x - 1.0)/tstep.x),\n max(\n min((tpos2.y - 1.0)/tstep.y, tpos2.y/tstep.y),\n min((tpos2.z - 1.0)/tstep.z, tpos2.z/tstep.z)));\n if (adjust > 0.0)\n {\n result.y = result.y - adjust;\n }\n\n return result;\n}\n\nfn getSimpleColor(scalar: f32, vNum: i32, cNum: i32) -> vec4\n{\n // how many rows (tfuns) do we have in our tfunTexture\n var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n var coord: vec2 =\n vec2(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n (0.5 + 2.0 * f32(vNum)) / tfunRows);\n var color: vec4 = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n return vec4(color.rgb, opacity);\n}\n\nfn traverseMax(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var maxVal: f32 = -1.0e37;\n loop\n {\n var scalar: f32 = getTextureValue(vTex, tpos);\n if (scalar > maxVal)\n {\n maxVal = scalar;\n }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(maxVal, vNum, cNum);\n}\n\nfn traverseMin(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var minVal: f32 = 1.0e37;\n loop\n {\n var scalar: f32 = getTextureValue(vTex, tpos);\n if (scalar < minVal)\n {\n minVal = scalar;\n }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(minVal, vNum, cNum);\n}\n\nfn traverseAverage(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n let ipRange: vec4 = volumeSSBO.values[vNum].ipScalarRange;\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var avgVal: f32 = 0.0;\n var sampleCount: f32 = 0.0;\n loop\n {\n var sample: f32 = getTextureValue(vTex, tpos);\n // right now leave filtering off until WebGL changes get merged\n // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n // {\n avgVal = avgVal + sample;\n sampleCount = sampleCount + 1.0;\n // }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n if (sampleCount <= 0.0)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(avgVal/sampleCount, vNum, cNum);\n}\n\nfn traverseAdditive(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n let ipRange: vec4 = volumeSSBO.values[vNum].ipScalarRange;\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var sumVal: f32 = 0.0;\n loop\n {\n var sample: f32 = getTextureValue(vTex, tpos);\n // right now leave filtering off until WebGL changes get merged\n // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n // {\n sumVal = sumVal + sample;\n // }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(sumVal, vNum, cNum);\n}\n\nfn composite(rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4) -> vec4\n{\n // initial ray position is at the beginning\n var rayPosSC: vec4 = minPosSC;\n\n // how many rows (tfuns) do we have in our tfunTexture\n var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n var curDist: f32 = 0.0;\n var computedColor: vec4 = vec4(0.0, 0.0, 0.0, 0.0);\n var sampleColor: vec4;\n//VTK::Volume::TraverseCalls\n\n loop\n {\n // for each volume, sample and accumulate color\n//VTK::Volume::CompositeCalls\n\n // increment position\n curDist = curDist + mapperUBO.SampleDistance;\n rayPosSC = rayPosSC + rayStepSC;\n\n // check if we have reached a terminating condition\n if (curDist > rayLengthSC) { break; }\n if (computedColor.a > 0.98) { break; }\n }\n return computedColor;\n}\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var rayMax: f32 = textureSampleLevel(maxTexture, clampSampler, input.tcoordVS, 0.0).r;\n var rayMin: f32 = textureSampleLevel(minTexture, clampSampler, input.tcoordVS, 0.0).r;\n\n // discard empty rays\n if (rayMax <= rayMin) { discard; }\n else\n {\n // compute start and end ray positions in view coordinates\n var minPosSC: vec4 = rendererUBO.PCSCMatrix*vec4(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMax, 1.0);\n minPosSC = minPosSC * (1.0 / minPosSC.w);\n var maxPosSC: vec4 = rendererUBO.PCSCMatrix*vec4(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMin, 1.0);\n maxPosSC = maxPosSC * (1.0 / maxPosSC.w);\n\n var rayLengthSC: f32 = distance(minPosSC.xyz, maxPosSC.xyz);\n var rayStepSC: vec4 = (maxPosSC - minPosSC)*(mapperUBO.SampleDistance/rayLengthSC);\n rayStepSC.w = 0.0;\n\n var computedColor: vec4;\n\n//VTK::Volume::Loop\n\n//VTK::RenderEncoder::Impl\n }\n\n return output;\n}\n",sC=new Float64Array(16),lC=new Float64Array(16);function cC(e,t){t.classHierarchy.push("vtkWebGPUVolumePassFSQ"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position");let o=r.getCode();o=Zm.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4(vertexBC, 1.0);"]).result,r.setCode(o),t.getShaderDescription("fragment").addBuiltinInput("vec4","@builtin(position) fragPos")},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderVolume=(e,n,r)=>{const o=n.getShaderDescription("fragment");let a=o.getCode();const i=[],s=[];for(let e=0;e(\n sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n (1.0 - computedColor.a)*sampleColor.a + computedColor.a);")):(s.push(` sampleColor = traverseVals[${e}];`),s.push(" computedColor = vec4(\n sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n (1.0 - computedColor.a)*sampleColor.a + computedColor.a);"));a=Zm.substitute(a,"//VTK::Volume::CompositeCalls",i).result,a=Zm.substitute(a,"//VTK::Volume::TraverseCalls",s).result,a=Zm.substitute(a,"//VTK::Volume::TraverseDec",[`var traverseVals: array,${t.volumes.length}>;`]).result;let l=!1;for(let e=0;e{let r=e.getMTime();for(let e=0;e{let r=Math.max(e.getMTime(),t.WebGPURenderer.getStabilizedTime());for(let e=0;e"),t.SSBO.addEntry("planeNormals","mat4x4"),t.SSBO.addEntry("shade","vec4"),t.SSBO.addEntry("tstep","vec4"),t.SSBO.addEntry("spacing","vec4"),t.SSBO.addEntry("ipScalarRange","vec4"),t.SSBO.setAllInstancesFromArray("SCTCMatrix",a),t.SSBO.setAllInstancesFromArray("planeNormals",i),t.SSBO.setAllInstancesFromArray("shade",l),t.SSBO.setAllInstancesFromArray("tstep",s),t.SSBO.setAllInstancesFromArray("spacing",c),t.SSBO.setAllInstancesFromArray("ipScalarRange",u),t.SSBO.send(n),t.componentSSBO.clearData(),t.componentSSBO.setNumberOfInstances(t.numRows);const d=new Float64Array(t.numRows),p=new Float64Array(t.numRows),f=new Float64Array(t.numRows),v=new Float64Array(t.numRows),y=new Float64Array(t.numRows),C=new Float64Array(t.numRows),S=new Float64Array(t.numRows),P=new Float64Array(t.numRows);let A=0;for(let e=0;e{n();let r=t.volumes[0].getRenderable().getMapper().getSampleDistance();for(let e=0;e{t.pipelineHash="volfsq";for(let e=0;e{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r{const e=r();return e.push(t.componentSSBO),e.push(t.clampSampler),e}}const uC={volumes:null,rowLength:1024,lastVolumeLength:0};function dC(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uC,n),Oh.extend(e,t,n),t.fragmentShaderTemplate=iC,t.UBO=hv.newInstance({label:"mapperUBO"}),t.UBO.addEntry("SampleDistance","f32"),t.SSBO=uv.newInstance({label:"volumeSSBO"}),t.componentSSBO=uv.newInstance({label:"componentSSBO"}),t.lutBuildTime={},jt.obj(t.lutBuildTime,{mtime:0}),cC(e,t)}var pC={newInstance:jt.newInstance(dC,"vtkWebGPUVolumePassFSQ"),extend:dC};const{Representation:fC}=ds,{BufferUsage:gC,PrimitiveTypes:mC}=ov,hC=[[0,4,6],[0,6,2],[1,3,7],[1,7,5],[0,5,4],[0,1,5],[2,6,7],[2,7,3],[0,3,1],[0,2,3],[4,5,7],[4,7,6]],vC="\n//VTK::Renderer::Dec\n\n//VTK::Select::Dec\n\n//VTK::VolumePass::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output : fragmentOutput;\n\n //VTK::Select::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::VolumePass::Impl\n\n // use the maximum (closest) of the current value and the zbuffer\n // the blend func will then take the min to find the farthest stop value\n var stopval: f32 = max(input.fragPos.z, textureLoad(opaquePassDepthTexture, vec2(i32(input.fragPos.x), i32(input.fragPos.y)), 0));\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n";function yC(e,t){t.classHierarchy.push("vtkWebGPUVolumePass"),e.initialize=n=>{t._clearEncoder||e.createClearEncoder(n),t._mergeEncoder||e.createMergeEncoder(n),t._copyEncoder||e.createCopyEncoder(n),t._depthRangeEncoder||e.createDepthRangeEncoder(n),t.fullScreenQuad||(t.fullScreenQuad=pC.newInstance(),t.fullScreenQuad.setDevice(n.getDevice()),t.fullScreenQuad.setTextureViews([...t._depthRangeEncoder.getColorTextureViews()])),t._volumeCopyQuad||(t._volumeCopyQuad=Oh.newInstance(),t._volumeCopyQuad.setPipelineHash("volpassfsq"),t._volumeCopyQuad.setDevice(n.getDevice()),t._volumeCopyQuad.setFragmentShaderTemplate("\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = textureSample(volumePassColorTexture,\n volumePassColorTextureSampler, mapperUBO.tscale*input.tcoordVS);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n"),t._copyUBO=hv.newInstance({label:"mapperUBO"}),t._copyUBO.addEntry("tscale","vec2"),t._volumeCopyQuad.setUBO(t._copyUBO),t._volumeCopyQuad.setTextureViews([t._colorTextureView]))},e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r,e.initialize(r),e.computeTiming(r),e.renderDepthBounds(n,r),t._firstGroup=!0;const o=r.getDevice(),a=o.getHandle().limits.maxSampledTexturesPerShaderStage-4;if(t.volumes.length>a){const o=n.getRenderable().getActiveCamera().getPosition(),i=[];for(let e=0;ei[t]-i[e]));let l=[],c=s.length%a;for(let o=0;o=c&&(e.rayCastPass(r,n,l),l=[],c=a,t._firstGroup=!1)}else e.rayCastPass(r,n,t.volumes);if(t._volumeCopyQuad.setWebGPURenderer(n),t._useSmallViewport){const e=t._colorTextureView.getTexture().getWidth(),n=t._colorTextureView.getTexture().getHeight();t._copyUBO.setArray("tscale",[t._smallViewportWidth/e,t._smallViewportHeight/n])}else t._copyUBO.setArray("tscale",[1,1]);t._copyUBO.sendIfNeeded(o),t._copyEncoder.setColorTextureView(0,t.colorTextureView),t._copyEncoder.attachTextureViews(),t._copyEncoder.begin(r.getCommandEncoder()),n.scissorAndViewport(t._copyEncoder),t._volumeCopyQuad.prepareAndDraw(t._copyEncoder),t._copyEncoder.end()},e.delete=jt.chain((()=>{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.computeTiming=e=>{const n=e.getRenderable().getInteractor();if(null==t._lastScale){const e=t.volumes[0].getRenderable().getMapper();t._lastScale=e.getInitialInteractionScale()||1}t._useSmallViewport=!1,n.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._colorTexture.resize(e.getCanvas().width,e.getCanvas().height),t._animationRateSubscription||(t._animationRateSubscription=n.onAnimationFrameRateUpdate((()=>{const e=t.volumes[0].getRenderable().getMapper();if(e.getAutoAdjustSampleDistances()){const e=n.getRecentAnimationFrameRate(),r=t._lastScale*n.getDesiredUpdateRate()/e;t._lastScale=r,t._lastScale>400&&(t._lastScale=400)}else t._lastScale=e.getImageSampleDistance()*e.getImageSampleDistance();t._lastScale<1.5&&(t._lastScale=1.5)})))},e.rayCastPass=(e,n,r)=>{const o=t._firstGroup?t._clearEncoder:t._mergeEncoder;o.attachTextureViews(),o.begin(e.getCommandEncoder());let a=t._colorTextureView.getTexture().getWidth(),i=t._colorTextureView.getTexture().getHeight();if(t._useSmallViewport){const n=e.getCanvas(),r=1/Math.sqrt(t._lastScale);t._smallViewportWidth=Math.ceil(r*n.width),t._smallViewportHeight=Math.ceil(r*n.height),a=t._smallViewportWidth,i=t._smallViewportHeight}o.getHandle().setViewport(0,0,a,i,0,1),o.getHandle().setScissorRect(0,0,a,i),t.fullScreenQuad.setWebGPURenderer(n),t.fullScreenQuad.setVolumes(r),t.fullScreenQuad.prepareAndDraw(o),o.end()},e.renderDepthBounds=(n,r)=>{e.updateDepthPolyData(n);const o=t._boundsPoly,a=o.getPoints(),i=o.getPolys();let s={hash:`vp${i.getMTime()}`,usage:gC.Index,cells:i,numberOfPoints:a.getNumberOfPoints(),primitiveType:mC.Triangles,representation:fC.SURFACE};const l=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().setIndexBuffer(l),s={usage:gC.PointArray,format:"float32x4",hash:`vp${a.getMTime()}${i.getMTime()}`,dataArray:a,indexBuffer:l,packExtra:!0};const c=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().addBuffer(c,["vertexBC"]),t._mapper.setNumberOfVertices(c.getSizeInBytes()/c.getStrideInBytes()),e.drawDepthRange(n,r)},e.updateDepthPolyData=e=>{let n=!1;for(let e=0;e{t._depthRangeTexture.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeTexture2.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeEncoder.attachTextureViews(),e.setCurrentOperation("volumeDepthRangePass"),n.setRenderEncoder(t._depthRangeEncoder),n.volumeDepthRangePass(!0),t._mapper.setWebGPURenderer(n),t._mapper.prepareToDraw(t._depthRangeEncoder),t._mapper.registerDrawCallback(t._depthRangeEncoder),n.volumeDepthRangePass(!1)},e.createDepthRangeEncoder=e=>{const n=e.getDevice();t._depthRangeEncoder=ZT.newInstance({label:"VolumePass DepthRange"}),t._depthRangeEncoder.setPipelineHash("volr"),t._depthRangeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor1"),t.addOutput("vec4","outColor2");let n=t.getCode();n=Zm.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor1 = vec4(input.fragPos.z, 0.0, 0.0, 0.0);","output.outColor2 = vec4(stopval, 0.0, 0.0, 0.0);"]).result,t.setCode(n)})),t._depthRangeEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:null,clearValue:[1,1,1,1],loadOp:"clear",storeOp:"store"}]}),t._depthRangeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"max"},alpha:{srcfactor:"one",dstFactor:"one",operation:"max"}}},{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"min"},alpha:{srcfactor:"one",dstFactor:"one",operation:"min"}}}]}}),t._depthRangeTexture=Py.newInstance({label:"volumePassMaxDepth"}),t._depthRangeTexture.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const r=t._depthRangeTexture.createView("maxTexture");t._depthRangeEncoder.setColorTextureView(0,r),t._depthRangeTexture2=Py.newInstance({label:"volumePassDepthMin"}),t._depthRangeTexture2.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const o=t._depthRangeTexture2.createView("minTexture");t._depthRangeEncoder.setColorTextureView(1,o),t._mapper.setDevice(e.getDevice()),t._mapper.setTextureViews([t.depthTextureView])},e.createClearEncoder=e=>{t._colorTexture=Py.newInstance({label:"volumePassColor"}),t._colorTexture.create(e.getDevice(),{width:e.getCanvas().width,height:e.getCanvas().height,format:"bgra8unorm",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC}),t._colorTextureView=t._colorTexture.createView("volumePassColorTexture"),t._colorTextureView.addSampler(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._clearEncoder=ZT.newInstance({label:"VolumePass Clear"}),t._clearEncoder.setColorTextureView(0,t._colorTextureView),t._clearEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"}]}),t._clearEncoder.setPipelineHash("volpf"),t._clearEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createCopyEncoder=e=>{t._copyEncoder=ZT.newInstance({label:"volumePassCopy"}),t._copyEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._copyEncoder.setPipelineHash("volcopypf"),t._copyEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createMergeEncoder=e=>{t._mergeEncoder=ZT.newInstance({label:"volumePassMerge"}),t._mergeEncoder.setColorTextureView(0,t._colorTextureView),t._mergeEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._mergeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Zm.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t._mergeEncoder.setPipelineHash("volpf"),t._mergeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.setVolumes=n=>{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,bC,n),sT.extend(e,t,n),t._mapper=Ph.newInstance(),t._mapper.setFragmentShaderTemplate(vC),t._mapper.getShaderReplacements().set("replaceShaderVolumePass",((e,t,n)=>{t.getShaderDescription("fragment").addBuiltinInput("vec4","@builtin(position) fragPos")})),t._boundsPoly=hu.newInstance(),t._lastMTimes=[],jt.setGet(e,t,["colorTextureView","depthTextureView"]),yC(e,t)}var TC={newInstance:jt.newInstance(xC,"vtkWebGPUVolumePass"),extend:xC};function CC(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e),t.opaquePass||(t.opaquePass=tC.newInstance());const o=n.getRenderable().getNumberOfLayers(),a=n.getChildren();for(let r=0;r0&&(t.translucentPass||(t.translucentPass=aC.newInstance()),t.translucentPass.setColorTextureView(t.opaquePass.getColorTextureView()),t.translucentPass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.translucentPass.traverse(i,n)),t.volumes.length>0&&(t.volumePass||(t.volumePass=TC.newInstance()),t.volumePass.setColorTextureView(t.opaquePass.getColorTextureView()),t.volumePass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.volumePass.setVolumes(t.volumes),t.volumePass.traverse(i,n)),e.finalPass(n,i))}},e.finalPass=(n,r)=>{t._finalBlitEncoder||e.createFinalBlitEncoder(n),t._finalBlitOutputTextureView.createFromTextureHandle(n.getCurrentTexture(),{depth:1,format:n.getPresentationFormat()}),t._finalBlitEncoder.attachTextureViews(),t._finalBlitEncoder.begin(n.getCommandEncoder()),r.scissorAndViewport(t._finalBlitEncoder),t._fullScreenQuad.prepareAndDraw(t._finalBlitEncoder),t._finalBlitEncoder.end()},e.createFinalBlitEncoder=e=>{t._finalBlitEncoder=ZT.newInstance({label:"forwardPassBlit"}),t._finalBlitEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._finalBlitEncoder.setPipelineHash("fpf"),t._finalBlitEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:e.getPresentationFormat(),blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}}),t._fsqSampler=my.newInstance({label:"finalPassSampler"}),t._fsqSampler.create(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._fullScreenQuad=Oh.newInstance(),t._fullScreenQuad.setDevice(e.getDevice()),t._fullScreenQuad.setPipelineHash("fpfsq"),t._fullScreenQuad.setTextureViews([t.opaquePass.getColorTextureView()]),t._fullScreenQuad.setAdditionalBindables([t._fsqSampler]),t._fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = clamp(textureSampleLevel(opaquePassColorTexture, finalPassSampler, input.tcoordVS, 0),vec4(0.0),vec4(1.0));\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n"),t._finalBlitOutputTextureView=by.newInstance(),t._finalBlitEncoder.setColorTextureView(0,t._finalBlitOutputTextureView)},e.incrementOpaqueActorCount=()=>t.opaqueActorCount++,e.incrementTranslucentActorCount=()=>t.translucentActorCount++,e.addVolume=e=>{t.volumes.push(e)}}const SC={opaqueActorCount:0,translucentActorCount:0,volumes:null,opaqueRenderEncoder:null,translucentPass:null,volumePass:null};function PC(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,SC,n),sT.extend(e,t,n),jt.setGet(e,t,["opaquePass","translucentPass","volumePass"]),CC(e,t)}var AC={newInstance:jt.newInstance(PC,"vtkForwardPass"),extend:PC};const{VtkDataTypes:IC}=Es;function wC(e,t){function n(e){if(e.imageData){e.dataArray=e.imageData.getPointData().getScalars(),e.time=e.dataArray.getMTime(),e.nativeArray=e.dataArray.getData();const t=e.imageData.getDimensions();switch(e.width=t[0],e.height=t[1],e.depth=t[2],e.dataArray.getNumberOfComponents()){case 1:e.format="r";break;case 2:e.format="rg";break;default:e.format="rgba"}switch(e.dataArray.getDataType()){case IC.UNSIGNED_CHAR:e.format+="8unorm";break;case IC.FLOAT:case IC.UNSIGNED_INT:case IC.INT:case IC.DOUBLE:case IC.UNSIGNED_SHORT:case IC.SHORT:default:e.format+="16float"}}e.image&&(e.width=e.image.width,e.height=e.image.height,e.depth=1,e.format="rgba8unorm"),e.jsImageData&&(e.width=e.jsImageData.width,e.height=e.jsImageData.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.nativeArray=e.jsImageData.data),e.canvas&&(e.width=e.canvas.width,e.height=e.canvas.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.usage=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.RENDER_ATTACHMENT)}function r(e){const n=Py.newInstance();return n.create(t.device,{width:e.width,height:e.height,depth:e.depth,format:e.format,usage:e.usage,mipLevel:e.mipLevel}),(e.nativeArray||e.image||e.canvas)&&n.writeImageData(e),n}t.classHierarchy.push("vtkWebGPUTextureManager"),e.getTexture=e=>e.hash?t.device.getCachedObject(e.hash,r,e):r(e),e.getTextureForImageData=e=>{const r={time:e.getMTime()};return r.imageData=e,n(r),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)},e.getTextureForVTKTexture=e=>{const r={time:e.getMTime()};return e.getInputData()?r.imageData=e.getInputData():e.getImage()?r.image=e.getImage():e.getJsImageData()?r.jsImageData=e.getJsImageData():e.getCanvas()&&(r.canvas=e.getCanvas()),n(r),r.mipLevel=e.getMipLevel(),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)}}const OC={handle:null,device:null};function MC(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,OC,n),jt.obj(e,t),jt.setGet(e,t,["device"]),wC(e,t)}var RC={newInstance:jt.newInstance(MC),extend:MC};class VC extends Map{constructor(){super(),this.registry=new FinalizationRegistry((e=>{const t=super.get(e);t&&t.deref&&void 0===t.deref()&&super.delete(e)}))}getValue(e){const t=super.get(e);if(t){const n=t.deref();if(void 0!==n)return n;super.delete(e)}}setValue(e,t){let n;return t&&"object"==typeof t&&(n=new WeakRef(t),this.registry.register(t,e),super.set(e,n)),n}}function EC(e,t){t.classHierarchy.push("vtkWebGPUDevice"),e.initialize=e=>{t.handle=e},e.createCommandEncoder=()=>t.handle.createCommandEncoder(),e.submitCommandEncoder=e=>{t.handle.queue.submit([e.finish()])},e.getShaderModule=e=>t.shaderCache.getShaderModule(e),e.getBindGroupLayout=e=>{if(!e.entries)return null;for(let t=0;t{for(let n=0;ne in t.pipelines?t.pipelines[e]:null,e.createPipeline=(n,r)=>{r.initialize(e,n),t.pipelines[n]=r},e.onSubmittedWorkDone=()=>t.handle.queue.onSubmittedWorkDone(),e.hasCachedObject=e=>t.objectCache.getValue(e),e.getCachedObject=function(e,n){if(!e)return vtkErrorMacro("attempt to cache an object without a hash"),null;const r=t.objectCache.getValue(e);if(r)return r;for(var o=arguments.length,a=new Array(o>2?o-2:0),i=2;i2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,DC,n),yt(e,t),Pt(e,t,["handle"]),xt(e,t,["bufferManager","shaderCache","textureManager"]),t.objectCache=new VC,t.shaderCache=Zm.newInstance(),t.shaderCache.setDevice(e),t.bindGroupLayouts=[],t.bufferManager=ov.newInstance(),t.bufferManager.setDevice(e),t.textureManager=RC.newInstance(),t.textureManager.setDevice(e),t.pipelines={},EC(e,t)}var BC={newInstance:Et(LC,"vtkWebGPUDevice"),extend:LC};function NC(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelectionPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=null,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getDevice();if(t.selectionRenderEncoder)t.colorTexture.resize(n.getCanvas().width,n.getCanvas().height),t.depthTexture.resizeToMatch(t.colorTexture);else{e.createRenderEncoder(),t.colorTexture=Py.newInstance({label:"hardwareSelectorColor"}),t.colorTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"rgba32uint",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const r=t.colorTexture.createView("hardwareSelectColorTexture");t.selectionRenderEncoder.setColorTextureView(0,r),t.depthTexture=Py.newInstance({label:"hardwareSelectorDepth"}),t.depthTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"depth32float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const a=t.depthTexture.createView("hardwareSelectDepthTexture");t.selectionRenderEncoder.setDepthTextureView(a)}t.selectionRenderEncoder.attachTextureViews(),r.setRenderEncoder(t.selectionRenderEncoder),e.setCurrentOperation("cameraPass"),r.traverse(e),e.setCurrentOperation("opaquePass"),r.traverse(e)},e.createRenderEncoder=()=>{t.selectionRenderEncoder=ZT.newInstance({label:"HardwareSelectionPass"}),t.selectionRenderEncoder.setPipelineHash("sel"),t.selectionRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Zm.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(mapperUBO.PropID, compositeID, 0u, 0u);"]).result,t.setCode(n)})),t.selectionRenderEncoder.getDescription().colorAttachments[0].clearValue=[0,0,0,0],t.selectionRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba32uint",blend:void 0}]}})}}const kC={selectionRenderEncoder:null,colorTexture:null,depthTexture:null};function FC(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,kC,n),sT.extend(e,t,n),jt.get(e,t,["colorTexture","depthTexture"]),NC(e,t)}var _C={newInstance:jt.newInstance(FC,"vtkWebGPUHardwareSelectionPass"),extend:FC};const{SelectionContent:GC,SelectionField:UC}=Zp,{FieldAssociations:zC}=al,{vtkErrorMacro:WC}=jt;function HC(e){return`${e.propID} ${e.compositeID}`}function jC(e,t,n,r){const o=4*((n.height-t-1)*n.colorBufferWidth+e)+r;return n.colorValues[o]}function KC(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]<0||t[0]>=e.width||t[1]<0||t[1]>=e.height)return null;const n=jC(t[0],t[1],e,0);if(n<=0)return null;const o={};o.propID=n;let a=jC(t[0],t[1],e,1);if((a<0||a>16777215)&&(a=0),o.compositeID=a,e.captureZValues){const n=(e.height-t[1]-1)*e.zbufferBufferWidth+t[0];o.zValue=e.depthValues[n],o.zValue=e.webGPURenderer.convertToOpenGLDepth(o.zValue),o.displayPosition=t}return o}const a=[t[0],t[1]],i=[0,0];let s=KC(e,t,0,r);if(s)return s;for(let t=1;tt?a[1]-t:0;n<=a[1]+t;++n){if(i[1]=n,a[0]>=t&&(i[0]=a[0]-t,s=KC(e,i,0,r),s))return s;if(i[0]=a[0]+t,s=KC(e,i,0,r),s)return s}for(let n=a[0]>=t?a[0]-(t-1):0;n<=a[0]+(t-1);++n){if(i[0]=n,a[1]>=t&&(i[1]=a[1]-t,s=KC(e,i,0,r),s))return s;if(i[1]=a[1]+t,s=KC(e,i,0,r),s)return s}}return r[0]=t[0],r[1]=t[1],null}function $C(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelector"),e.endSelection=()=>{t.WebGPURenderer.setSelector(null)},e.getSourceDataAsync=async e=>{if(!e||!t._WebGPURenderWindow)return WC("Renderer and view must be set before calling Select."),!1;t._WebGPURenderWindow.getRenderable().preRender(),t._WebGPURenderWindow.getInitialized()||(t._WebGPURenderWindow.initialize(),await new Promise((e=>{t._WebGPURenderWindow.onInitialized(e)})));const n=t._WebGPURenderWindow.getViewNodeFor(e);if(!n)return!1;const r=n.getSuppressClear();n.setSuppressClear(!0),t._selectionPass.traverse(t._WebGPURenderWindow,n),n.setSuppressClear(r);const o=t._WebGPURenderWindow.getDevice(),a=t._selectionPass.getColorTexture(),i=t._selectionPass.getDepthTexture(),s={area:[0,0,a.getWidth()-1,a.getHeight()-1],captureZValues:t.captureZValues,fieldAssociation:t.fieldAssociation,renderer:e,webGPURenderer:n,webGPURenderWindow:t._WebGPURenderWindow,width:a.getWidth(),height:a.getHeight()};s.colorBufferWidth=16*Math.floor((s.width+15)/16),s.colorBufferSizeInBytes=s.colorBufferWidth*s.height*4*4;const l=Lh.newInstance({label:"hardwareSelectColorBuffer"});l.setDevice(o),l.create(s.colorBufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST);const c=t._WebGPURenderWindow.getCommandEncoder();let u;c.copyTextureToBuffer({texture:a.getHandle()},{buffer:l.getHandle(),bytesPerRow:16*s.colorBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1}),t.captureZValues&&(s.zbufferBufferWidth=64*Math.floor((s.width+63)/64),u=Lh.newInstance({label:"hardwareSelectDepthBuffer"}),u.setDevice(o),s.zbufferSizeInBytes=s.height*s.zbufferBufferWidth*4,u.create(s.zbufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST),c.copyTextureToBuffer({texture:i.getHandle(),aspect:"depth-only"},{buffer:u.getHandle(),bytesPerRow:4*s.zbufferBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1})),o.submitCommandEncoder(c);const d=l.mapAsync(GPUMapMode.READ);if(t.captureZValues){const e=u.mapAsync(GPUMapMode.READ);await Promise.all([d,e]),s.depthValues=new Float32Array(u.getMappedRange().slice()),u.unmap()}else await d;return s.colorValues=new Uint32Array(l.getMappedRange().slice()),l.unmap(),s.generateSelection=(e,t,n,r)=>function(e,t,n,r,o){const a=Math.floor(t),i=Math.floor(n),s=Math.floor(r),l=Math.floor(o),c=new Map,u=[0,0];for(let t=i;t<=l;t++)for(let n=a;n<=s;n++){const r=KC(e,[n,t],0,u);if(r){const t=HC(r);if(c.has(t)){const n=c.get(t);n.pixelCount++,e.captureZValues&&r.zValue{const i=Zp.newInstance();switch(i.setContentType(GC.INDICES),e){case zC.FIELD_ASSOCIATION_CELLS:i.setFieldType(UC.CELL);break;case zC.FIELD_ASSOCIATION_POINTS:i.setFieldType(UC.POINT);break;default:WC("Unknown field association")}i.getProperties().propID=t.info.propID;const s=n.webGPURenderer.getPropFromID(t.info.propID);i.getProperties().prop=s.getRenderable(),i.getProperties().compositeID=t.info.compositeID,i.getProperties().pixelCount=t.pixelCount,n.captureZValues&&(i.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],i.getProperties().worldPosition=n.webGPURenderWindow.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,n.renderer)),i.setSelectionList(t.attributeIDs),r[o]=i,o++})),r}(e.fieldAssociation,c,e)}(s,e,t,n,r),s}}const qC={};function XC(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,qC,n),Wp.extend(e,t,n),t._selectionPass=_C.newInstance(),jt.setGet(e,t,["_WebGPURenderWindow"]),jt.moveToProtected(e,t,["WebGPURenderWindow"]),$C(e,t)}var YC={newInstance:jt.newInstance(XC,"vtkWebGPUHardwareSelector"),extend:XC};const{vtkErrorMacro:ZC}=jt,QC={position:"absolute",top:0,left:0,width:"100%",height:"100%"};function JC(e,t){t.classHierarchy.push("vtkWebGPURenderWindow"),e.getViewNodeFactory=()=>t.myFactory;const n=[0,0];e.onModified((function(){t.renderable&&(t.size[0]===n[0]&&t.size[1]===n[1]||(n[0]=t.size[0],n[1]=t.size[1],t.canvas.setAttribute("width",t.size[0]),t.canvas.setAttribute("height",t.size[1]),e.recreateSwapChain())),t.viewStream&&t.viewStream.setSize(t.size[0],t.size[1]),t.canvas.style.display=t.useOffScreen?"none":"block",t.el&&(t.el.style.cursor=t.cursorVisibility?t.cursor:"none"),t.containerSize=null})),e.recreateSwapChain=()=>{t.context&&(t.context.unconfigure(),t.presentationFormat=navigator.gpu.getPreferredCanvasFormat(t.adapter),t.context.configure({device:t.device.getHandle(),format:t.presentationFormat,alphaMode:"premultiplied",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_DST,width:t.size[0],height:t.size[1]}),t._configured=!0)},e.getCurrentTexture=()=>t.context.getCurrentTexture(),e.buildPass=n=>{if(n){if(!t.renderable)return;e.prepareNodes(),e.addMissingNodes(t.renderable.getRenderersByReference()),e.removeUnusedNodes(),e.initialize()}else t.initialized&&(t._configured||e.recreateSwapChain(),t.commandEncoder=t.device.createCommandEncoder())},e.initialize=()=>{if(!t.initializing){if(t.initializing=!0,!navigator.gpu)return void ZC("WebGPU is not enabled.");e.create3DContextAsync().then((()=>{t.initialized=!0,t.deleted||e.invokeInitialized()}))}},e.setContainer=n=>{t.el&&t.el!==n&&(t.canvas.parentNode!==t.el&&ZC("Error: canvas parent node does not match container"),t.el.removeChild(t.canvas),t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)),t.el!==n&&(t.el=n,t.el&&(t.el.appendChild(t.canvas),t.useBackgroundImage&&t.el.appendChild(t.bgImage)),e.modified())},e.getContainer=()=>t.el,e.getContainerSize=()=>{if(!t.containerSize&&t.el){const{width:e,height:n}=t.el.getBoundingClientRect();t.containerSize=[e,n]}return t.containerSize||t.size},e.getFramebufferSize=()=>t.size,e.create3DContextAsync=async()=>{t.adapter=await navigator.gpu.requestAdapter({powerPreference:"high-performance"}),t.deleted||(t.device=BC.newInstance(),t.device.initialize(await t.adapter.requestDevice()),t.deleted?t.device=null:t.context=t.canvas.getContext("webgpu"))},e.releaseGraphicsResources=()=>{const n=sT.newInstance();n.setCurrentOperation("Release"),n.traverse(e,null),t.adapter=null,t.device=null,t.context=null,t.initialized=!1,t.initializing=!1},e.setBackgroundImage=e=>{t.bgImage.src=e.src},e.setUseBackgroundImage=e=>{t.useBackgroundImage=e,t.useBackgroundImage&&!t.el.contains(t.bgImage)?t.el.appendChild(t.bgImage):!t.useBackgroundImage&&t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)},e.captureNextImage=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"image/png",{resetCamera:r=!1,size:o=null,scale:a=1}=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(t.deleted)return null;t.imageFormat=n;const i=t.notifyStartCaptureImage;return t.notifyStartCaptureImage=!0,t._screenshot={size:o||1!==a?o||t.size.map((e=>e*a)):null},new Promise(((n,o)=>{const a=e.onImageReady((o=>{if(null===t._screenshot.size)t.notifyStartCaptureImage=i,a.unsubscribe(),t._screenshot.placeHolder&&(t.size=t._screenshot.originalSize,e.modified(),t._screenshot.cameras&&t._screenshot.cameras.forEach((e=>{let{restoreParamsFn:t,arg:n}=e;return t(n)})),e.traverseAllPasses(),t.el.removeChild(t._screenshot.placeHolder),t._screenshot.placeHolder.remove(),t._screenshot=null),n(o);else{const n=document.createElement("img");if(n.style=QC,n.src=o,t._screenshot.placeHolder=t.el.appendChild(n),t.canvas.style.display="none",t._screenshot.originalSize=t.size,t.size=t._screenshot.size,t._screenshot.size=null,e.modified(),r){const e=!0!==r;t._screenshot.cameras=t.renderable.getRenderers().map((t=>{const n=t.getActiveCamera(),o=n.get("focalPoint","position","parallelScale");return{resetCameraArgs:e?{renderer:t}:void 0,resetCameraFn:e?r:t.resetCamera,restoreParamsFn:n.set,arg:JSON.parse(JSON.stringify(o))}})),t._screenshot.cameras.forEach((e=>{let{resetCameraFn:t,resetCameraArgs:n}=e;return t(n)}))}e.traverseAllPasses()}}))}))},e.traverseAllPasses=()=>{if(!t.deleted)if(t.initialized){if(t.renderPasses)for(let n=0;n{!async function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:t.imageFormat;const r=document.createElement("canvas"),o=r.getContext("2d");r.width=t.canvas.width,r.height=t.canvas.height;const a=await e.getPixelsAsync(),i=new ImageData(a.colorValues,a.width,a.height);o.putImageData(i,0,0);const s=t.canvas.getBoundingClientRect(),l=t.renderable;l.getRenderers().forEach((e=>{e.getViewProps().forEach((e=>{if(e.getContainer){const t=e.getContainer().getElementsByTagName("canvas");for(let e=0;e{t.unsubscribe(),e.traverseAllPasses()}))}},e.setViewStream=n=>t.viewStream!==n&&(t.subscription&&(t.subscription.unsubscribe(),t.subscription=null),t.viewStream=n,t.viewStream&&(t.renderable.getRenderers()[0].getBackgroundByReference()[3]=0,e.setUseBackgroundImage(!0),t.subscription=t.viewStream.onImageReady((t=>e.setBackgroundImage(t.image))),t.viewStream.setSize(t.size[0],t.size[1]),t.viewStream.invalidateCache(),t.viewStream.render(),e.modified()),!0),e.getUniquePropID=()=>t.nextPropID++,e.getPropFromID=e=>{for(let n=0;n{const e=t.device,n=t.renderPasses[0].getOpaquePass().getColorTexture(),r={width:n.getWidth(),height:n.getHeight()};r.colorBufferWidth=32*Math.floor((r.width+31)/32),r.colorBufferSizeInBytes=r.colorBufferWidth*r.height*8;const o=Lh.newInstance();o.setDevice(e),o.create(r.colorBufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST);const a=t.device.createCommandEncoder();a.copyTextureToBuffer({texture:n.getHandle()},{buffer:o.getHandle(),bytesPerRow:8*r.colorBufferWidth,rowsPerImage:r.height},{width:r.width,height:r.height,depthOrArrayLayers:1}),e.submitCommandEncoder(a);const i=o.mapAsync(GPUMapMode.READ);await i,r.colorValues=new Uint16Array(o.getMappedRange().slice()),o.unmap();const s=new Uint8ClampedArray(r.height*r.width*4);for(let e=0;e{const t=YC.newInstance();return t.setWebGPURenderWindow(e),t};const r=e.setSize;e.setSize=(t,n)=>{const o=r(t,n);return o&&e.invokeWindowResizeEvent({width:t,height:n}),o},e.delete=jt.chain(e.delete,e.setViewStream)}const eS={initialized:!1,context:null,adapter:null,device:null,canvas:null,cursorVisibility:!0,cursor:"pointer",containerSize:null,renderPasses:[],notifyStartCaptureImage:!1,imageFormat:"image/png",useOffScreen:!1,useBackgroundImage:!1,nextPropID:1,xrSupported:!1,presentationFormat:null};const tS=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,eS,n),t.canvas=document.createElement("canvas"),t.canvas.style.width="100%",t.bgImage=new Image,t.bgImage.style.position="absolute",t.bgImage.style.left="0",t.bgImage.style.top="0",t.bgImage.style.width="100%",t.bgImage.style.height="100%",t.bgImage.style.zIndex="-1",LT.extend(e,t,n),t.myFactory=Nm.newInstance(),t.myFactory.registerOverride("vtkRenderWindow",tS),t.renderPasses[0]=AC.newInstance(),t.selector||(t.selector=YC.newInstance(),t.selector.setWebGPURenderWindow(e)),jt.event(e,t,"imageReady"),jt.event(e,t,"initialized"),jt.get(e,t,["commandEncoder","device","presentationFormat","useBackgroundImage","xrSupported"]),jt.setGet(e,t,["initialized","context","canvas","device","renderPasses","notifyStartCaptureImage","cursor","useOffScreen"]),jt.setGetArray(e,t,["size"],2),jt.event(e,t,"windowResizeEvent"),JC(e,t)}),"vtkWebGPURenderWindow");px("WebGPU",tS);const nS=rT();function rS(e,t){const n=e.invokeResize;delete e.invokeResize,t.renderWindow=vx.newInstance(),t.renderer=ux.newInstance(),t.renderWindow.addRenderer(t.renderer),t._apiSpecificRenderWindow=t.renderWindow.newAPISpecificView(nS.viewAPI??t.defaultViewAPI),t.renderWindow.addView(t._apiSpecificRenderWindow),t.interactor=Bx.newInstance(),t.interactor.setInteractorStyle(eT.newInstance()),t.interactor.setView(t._apiSpecificRenderWindow),t.interactor.initialize(),e.setBackground=t.renderer.setBackground,e.setBackground(...t.background),e.resize=()=>{if(t.container){const e=t.container.getBoundingClientRect(),r=window.devicePixelRatio||1;t._apiSpecificRenderWindow.setSize(Math.floor(e.width*r),Math.floor(e.height*r)),n(),t.renderWindow.render()}},e.setContainer=e=>{t.container&&t.interactor.unbindEvents(t.container),t.container=e,t._apiSpecificRenderWindow.setContainer(t.container),t.container&&t.interactor.bindEvents(t.container)},e.delete=jt.chain(e.setContainer,t._apiSpecificRenderWindow.delete,e.delete),t.listenWindowResize&&window.addEventListener("resize",e.resize),e.resize()}const oS={background:[.32,.34,.43],listenWindowResize:!0,container:null};function aS(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,oS,n),jt.obj(e,t),jt.get(e,t,["renderWindow","renderer","_apiSpecificRenderWindow","interactor","container"]),jt.moveToProtected(e,t,["_apiSpecificRenderWindow"]),jt.event(e,t,"resize"),rS(e,t)}var iS={newInstance:jt.newInstance(aS),extend:aS};function sS(e,t){t.classHierarchy.push("vtkAbstractImageMapper"),e.getIsOpaque=()=>!0,e.getCurrentImage=()=>null,e.getBoundsForSlice=()=>(jt.vtkErrorMacro("vtkAbstractImageMapper.getBoundsForSlice - NOT IMPLEMENTED"),Na())}const lS={slice:0,customDisplayExtent:[0,0,0,0,0,0],useCustomExtents:!1,backgroundColor:[0,0,0,1]};var cS=function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,lS,n),Fs(e,t,n),jt.setGet(e,t,["slice","useCustomExtents"]),jt.setGetArray(e,t,["customDisplayExtent"],6),jt.setGetArray(e,t,["backgroundColor"],4),sS(e,t)};function uS(e,t,n){const r=n.getCurrentImage(),o=r.getExtent(),a=[o[0],o[2],o[4]],{ijkMode:i}=n.getClosestIJKAxis();let s=n.isA("vtkImageArrayMapper")?n.getSubSlice():n.getSlice();i!==n.getSlicingMode()&&(s=n.getSliceAtPosition(s)),a[i]+=s;const l=[0,0,0];r.indexToWorld(a,l),a[i]+=1;const c=[0,0,0];r.indexToWorld(a,c),c[0]-=l[0],c[1]-=l[1],c[2]-=l[2],Rn(c,c);const u=ei.intersectWithLine(e,t,l,c);if(u.intersection){const e=u.x,t=[0,0,0];return r.worldToIndex(e,t),{t:u.t,absoluteIJK:t}}return null}const{staticOffsetAPI:dS,otherStaticMethods:pS}=Wl,{SlicingMode:fS}=ug;function gS(e,t){function n(){let n;switch(t.slicingMode){case fS.X:n=0;break;case fS.Y:n=1;break;case fS.Z:n=2;break;default:return void(t.closestIJKAxis={ijkMode:t.slicingMode,flip:!1})}const r=ka(e.getCurrentImage().getDirection());let o=0;for(;o<3&&0===r[n+3*o];++o);const a=r[n+3*o]<0;t.closestIJKAxis={ijkMode:o,flip:a}}t.classHierarchy.push("vtkImageMapper"),e.getSliceAtPosition=n=>{const r=e.getCurrentImage();let o;if(3===n.length)o=n;else if(Number.isFinite(n)){const e=r.getBounds();switch(t.slicingMode){case fS.X:o=[n,(e[3]+e[2])/2,(e[5]+e[4])/2];break;case fS.Y:o=[(e[1]+e[0])/2,n,(e[5]+e[4])/2];break;case fS.Z:o=[(e[1]+e[0])/2,(e[3]+e[2])/2,n]}}const a=[0,0,0];r.worldToIndex(o,a);const i=r.getExtent(),{ijkMode:s}=e.getClosestIJKAxis();let l=0;switch(s){case fS.I:l=Ma(a[0],i[0],i[1]);break;case fS.J:l=Ma(a[1],i[2],i[3]);break;case fS.K:l=Ma(a[2],i[4],i[5]);break;default:return 0}return l},e.setSliceFromCamera=n=>{const r=n.getFocalPoint();switch(t.slicingMode){case fS.I:case fS.J:case fS.K:{const t=e.getSliceAtPosition(r);e.setSlice(t)}break;case fS.X:e.setSlice(r[0]);break;case fS.Y:e.setSlice(r[1]);break;case fS.Z:e.setSlice(r[2])}},e.setXSlice=t=>{e.setSlicingMode(fS.X),e.setSlice(t)},e.setYSlice=t=>{e.setSlicingMode(fS.Y),e.setSlice(t)},e.setZSlice=t=>{e.setSlicingMode(fS.Z),e.setSlice(t)},e.setISlice=t=>{e.setSlicingMode(fS.I),e.setSlice(t)},e.setJSlice=t=>{e.setSlicingMode(fS.J),e.setSlice(t)},e.setKSlice=t=>{e.setSlicingMode(fS.K),e.setSlice(t)},e.getSlicingModeNormal=()=>{const n=[0,0,0],r=e.getCurrentImage().getDirection();switch(t.slicingMode){case fS.X:n[0]=1;break;case fS.Y:n[1]=1;break;case fS.Z:n[2]=1;break;case fS.I:na(r,[1,0,0],n);break;case fS.J:na(r,[0,1,0],n);break;case fS.K:na(r,[0,0,1],n)}return n},e.setSlicingMode=r=>{t.slicingMode!==r&&(t.slicingMode=r,e.getCurrentImage()&&n(),e.modified())},e.getClosestIJKAxis=()=>(void 0!==t.closestIJKAxis&&t.closestIJKAxis.ijkMode!==fS.NONE||!e.getCurrentImage()||n(),t.closestIJKAxis),e.getBounds=()=>{const n=e.getCurrentImage();if(!n)return Na();if(!t.useCustomExtents)return n.getBounds();const r=t.customDisplayExtent.slice(),{ijkMode:o}=e.getClosestIJKAxis();let a=t.slice;switch(o!==t.slicingMode&&(a=e.getSliceAtPosition(t.slice)),o){case fS.I:r[0]=a,r[1]=a;break;case fS.J:r[2]=a,r[3]=a;break;case fS.K:r[4]=a,r[5]=a}return n.extentToBounds(r)},e.getBoundsForSlice=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:t.slice,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const o=e.getCurrentImage();if(!o)return Na();const a=o.getSpatialExtent(),{ijkMode:i}=e.getClosestIJKAxis();let s=n;switch(i!==t.slicingMode&&(s=e.getSliceAtPosition(n)),i){case fS.I:a[0]=s-r,a[1]=s+r;break;case fS.J:a[2]=s-r,a[3]=s+r;break;case fS.K:a[4]=s-r,a[5]=s+r}return o.extentToBounds(a)},e.intersectWithLineForPointPicking=(t,n)=>function(e,t,n){const r=uS(e,t,n);if(r){const e=n.getCurrentImage().getExtent(),t=[Math.round(r.absoluteIJK[0]),Math.round(r.absoluteIJK[1]),Math.round(r.absoluteIJK[2])];return t[0]e[1]||t[1]e[3]||t[2]e[5]?null:{t:r.t,ijk:t}}return null}(t,n,e),e.intersectWithLineForCellPicking=(t,n)=>function(e,t,n){const r=uS(e,t,n);if(r){const e=n.getCurrentImage().getExtent(),t=r.absoluteIJK,o=[Math.floor(t[0]),Math.floor(t[1]),Math.floor(t[2])];if(o[0]e[1]-1||o[1]e[3]-1||o[2](e[5]?e[5]-1:e[5]))return null;const a=[t[0]-o[0],t[1]-o[1],t[2]-o[2]];return{t:r.t,ijk:o,pCoords:a}}return null}(t,n,e),e.getCurrentImage=()=>e.getInputData()}const mS={slicingMode:fS.NONE,closestIJKAxis:{ijkMode:fS.NONE,flip:!1},renderToRectangle:!1,sliceAtFocalPoint:!1,preferSizeOverAccuracy:!1};function hS(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,mS,n),cS(e,t,n),jt.get(e,t,["slicingMode"]),jt.setGet(e,t,["closestIJKAxis","renderToRectangle","sliceAtFocalPoint","preferSizeOverAccuracy"]),Wl.implementCoincidentTopologyMethods(e,t),gS(e,t)}var vS={newInstance:jt.newInstance(hS,"vtkImageMapper"),extend:hS,...dS,...pS,...ug};const yS={CLAMP:0,REPEAT:1,MIRROR:2},bS={NEAREST:0,LINEAR:1,CUBIC:2};var xS={ImageBorderMode:yS,InterpolationMode:bS};const TS={pointer:null,extent:[0,-1,0,-1,0,-1],increments:[0,0,0],scalarType:null,dataTypeSize:1,numberOfComponents:1,borderMode:yS.CLAMP,interpolationMode:bS.LINEAR,extraInfo:null},CS={...TS,positions:[0,0,0],weights:null,weightExtent:[0,-1,0,-1,0,-1],kernelSize:[1,1,1],workspace:null,lastY:null,lastZ:null};function SS(e){const t=Math.floor(e);return{floored:t,error:e-t}}function PS(e){return Math.round(e)}function AS(e,t,n){let r=e<=n?e:n;return r-=t,r=r>=0?r:0,r}function IS(e,t,n){const r=n-t+1;let o=e-t;return o%=r,o=o>=0?o:o+r,o}function wS(e,t,n){const r=n-t,o=2*r+(0===r?1:0);let a=e-t;return a=a>=0?a:-a,a%=o,a=a<=r?a:o-a,a}const{ImageBorderMode:OS}=xS;function MS(e,t){t.classHierarchy.push("vtkAbstractImageInterpolator"),e.initialize=n=>{e.releaseData(),t.scalars=n.getPointData().getScalars(),t.spacing=n.getSpacing(),t.origin=n.getOrigin(),t.extent=n.getExtent(),e.update()},e.releaseData=()=>{t.scalars=null},e.update=()=>{if(!t.scalars)return t.interpolationInfo.pointer=null,void(t.interpolationInfo.numberOfComponents=1);t.interpolationInfo.extent=t.extent.slice();const n=e.computeSupportSize(null),r=Math.max(Math.max(n[0],n[1]),n[2]),o=Number.MIN_SAFE_INTEGER+r/2,a=Number.MAX_SAFE_INTEGER-r/2;for(let e=0;e<3;++e){const n=Math.max(.5*(t.extent[2*e]===t.extent[2*e+1]),t.tolerance);t.structuredBounds[2*e]=Math.max(t.extent[2*e]-n,o),t.structuredBounds[2*e+1]=Math.min(t.extent[2*e+1]+n,a)}const i=t.extent[1]-t.extent[0]+1,s=t.extent[3]-t.extent[2]+1,l=t.scalars.getNumberOfComponents();t.interpolationInfo.increments[0]=l,t.interpolationInfo.increments[1]=t.interpolationInfo.increments[0]*i,t.interpolationInfo.increments[2]=t.interpolationInfo.increments[1]*s;let c=t.componentOffset;c=c>0?c:0,c=c{},e.interpolateXYZ=(n,r,o,a)=>{let i=t.outValue;const s=[n,r,o],l=[(s[0]-t.origin[0])/t.spacing[0],(s[1]-t.origin[1])/t.spacing[1],(s[2]-t.origin[2])/t.spacing[2]];if(e.checkBoundsIJK(l)){const n={...t.interpolationInfo},r=n.increments[0]-t.componentOffset,o=1;let s=a>0?a:0;s=s{const o=[(n[0]-t.origin[0])/t.spacing[0],(n[1]-t.origin[1])/t.spacing[1],(n[2]-t.origin[2])/t.spacing[2]];if(e.checkBoundsIJK(o))return e.interpolatePoint(t.interpolationInfo,o,r),!0;for(let e=0;e{const n=Math.min(Math.max(t.componentOffset,0),e-1),r=t.componentCount0?r:e-n},e.getNumberOfComponents=()=>t.interpolationInfo.numberOfComponents,e.interpolateIJK=(n,r)=>{e.interpolatePoint(t.interpolationInfo,n,r)},e.checkBoundsIJK=e=>!(e[0]t.structuredBounds[1]||e[1]t.structuredBounds[3]||e[2]t.structuredBounds[5]),e.computeSupportSize=null,e.isSeparable=null,e.precomputeWeightsForExtent=(e,t,n)=>{},e.FreePrecomputedWeights=e=>{},e.interpolatePoint=(e,t,n)=>{},e.interpolateRow=(e,t,n,r,o,a)=>{}}const RS={outValue:0,tolerance:Number.EPSILON,componentOffset:0,componentCount:-1,borderMode:OS.CLAMP,slidingWindow:!1,scalars:null,interpolationInfo:{...TS},interpolationFunc:null,rowInterpolationFunc:null,structuredBounds:[0,-1,0,-1,0,-1],spacing:null,origin:null,extent:null};function VS(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,RS,n),jt.obj(e,t),jt.setGet(e,t,["outValue","tolerance","componentOffset","componentCount","borderMode","slidingWindow"]),jt.get(e,t,["origin","spacing"]),MS(e,t)}var ES={newInstance:jt.newInstance(VS,"vtkAbstractImageInterpolator"),extend:VS,...xS};function DS(e,t){t.classHierarchy.push("vtkImageInterpolator"),e.computeSupportSize=e=>{let n=1;t.interpolationMode===bS.LINEAR?n=2:t.interpolationMode===bS.CUBIC&&(n=4);const r=[n,n,n];if(null==e)return r;if(0!==e[12]||0!==e[13]||0!==e[14]||1!==e[15])return r;for(let t=0;t<3;++t){let n=!0;for(let r=0;r<3;++r)n=n&&Number.isInteger(e[4*t+r]);n&&(r[t]=1)}return r},e.internalUpdate=()=>{t.interpolationInfo.interpolationMode=t.interpolationMode},e.isSeparable=()=>!0,e.interpolateNearest=(e,t,n)=>{const r=e.extent,o=e.increments,a=e.numberOfComponents;let i=PS(t[0]),s=PS(t[1]),l=PS(t[2]);switch(e.borderMode){case yS.REPEAT:i=IS(i,r[0],r[1]),s=IS(s,r[2],r[3]),l=IS(l,r[4],r[5]);break;case yS.MIRROR:i=wS(i,r[0],r[1]),s=wS(s,r[2],r[3]),l=wS(l,r[4],r[5]);break;default:i=AS(i,r[0],r[1]),s=AS(s,r[2],r[3]),l=AS(l,r[4],r[5])}const c=i*o[0]+s*o[1]+l*o[2];for(let t=0;t{const r=e.extent,o=e.increments,a=e.numberOfComponents,i=SS(t[0]),s=SS(t[1]),l=SS(t[2]);let c=i.floored,u=s.floored,d=l.floored;const p=i.error,f=s.error,g=l.error;let m=c+(0!==p),h=u+(0!==f),v=d+(0!==g);switch(e.borderMode){case yS.REPEAT:c=IS(c,r[0],r[1]),u=IS(u,r[2],r[3]),d=IS(d,r[4],r[5]),m=IS(m,r[0],r[1]),h=IS(h,r[2],r[3]),v=IS(v,r[4],r[5]);break;case yS.MIRROR:c=wS(c,r[0],r[1]),u=wS(u,r[2],r[3]),d=wS(d,r[4],r[5]),m=wS(m,r[0],r[1]),h=wS(h,r[2],r[3]),v=wS(v,r[4],r[5]);break;default:c=AS(c,r[0],r[1]),u=AS(u,r[2],r[3]),d=AS(d,r[4],r[5]),m=AS(m,r[0],r[1]),h=AS(h,r[2],r[3]),v=AS(v,r[4],r[5])}const y=c*o[0],b=m*o[0],x=u*o[1],T=h*o[1],C=d*o[2],S=v*o[2],P=x+C,A=x+S,I=T+C,w=T+S,O=1-p,M=1-f,R=1-g,V=M*R,E=f*R,D=M*g,L=f*g,B=e.pointer;for(let e=0;e{switch(t.interpolationMode){case bS.LINEAR:e.interpolateLinear(n,r,o);break;case bS.CUBIC:console.log("CUBIC not implemented");break;default:e.interpolateNearest(n,r,o)}},e.interpolateRowNearest=(e,t,n,r,o,a)=>{const i=e.positions[0].subarray(t),s=e.positions[1].subarray(n),l=e.positions[2].subarray(r),c=e.pointer.subarray(s[0]+l[0]),u=e.numberOfComponents;for(let e=0;e{const i=e.kernelSize[0],s=e.kernelSize[1],l=e.kernelSize[2],c=t*i,u=n*s,d=r*l,p=e.weights[0].subarray(c),f=e.weights[1].subarray(u),g=e.weights[2].subarray(d),m=e.positions[0].subarray(c),h=e.positions[1].subarray(u),v=e.positions[2].subarray(d),y=e.pointer,b=e.numberOfComponents,x=h.subarray(v[0]);let T=x,C=x,S=x,P=1,A=0,I=1,w=0;2===s&&(C=h[1].subarray(v[0]),S=C,P=f[0],A=f[1]),2===l&&(T=h[0].subarray(v[1]),S=T,I=g[0],w=g[1]),s+l===4&&(S=h[1].subarray(v[1]));const O=P*I,M=P*w,R=A*I,V=A*w;if(1===i)if(0===A&&0===w)for(let e=a;e>0;--e)for(let t=0;t0;--e)for(let t=0;t0;--e)for(let t=0;t0;--t){const n=p[0+2*e],r=p[1+2*e],i=m[0+2*e],s=m[1+2*e];for(let e=0;e0;--t){const t=p[0+2*e],n=p[1+2*e],r=m[0+2*e],a=m[1+2*e];for(let e=0;e{switch(t.interpolationMode){case bS.LINEAR:e.interpolateRowLinear(n,r,o,a,i,s);break;case bS.CUBIC:console.log("CUBIC not implemented");break;default:e.interpolateRowNearest(n,r,o,a,i,s)}},e.vtkTricubicInterpWeights=e=>{const t=e-1,n=.5*e,r=3*e;return[-n*t*t,((r-2)*n-1)*t,-((r-4)*e-1)*n,e*n*t]},e.precomputeWeightsForExtent=(n,r,o)=>{const a={...CS.newInstance(),...t.interpolationInfo};a.weightType="Float32Array";const i=a.interpolationMode;let s=!0;for(let l=0;l<3;++l){let c;for(c=0;c<3&&0===n[4*l+c];++c);o[2*l]=r[2*l],o[2*l+1]=r[2*l+1];const u=a.extent[2*c],d=a.extent[2*c+1],p=t.structuredBounds[2*c],f=t.structuredBounds[2*c+1];let g=1;g=i1)if(i===bS.LINEAR)v[g*t+1-y]=T[1]*S,b[g*t-y]=1-h,b[g*t+1-y]=h;else if(i===bS.CUBIC){const n=e.vtkTricubicInterpWeights(h);if(4===g)for(let e=0;e<4;e++)v[g*t+e-y]=T[e]*S,b[g*t+e-y]=n[e];else{const e=[0,0,0,0];for(let t=0;t<4;t++)e[T[t]-u]+=n[t];for(let n=0;n=p&&r<=f?0===x&&(x=1,o[2*l]=t):1===x&&(x=2,o[2*l+1]=t-1)}(0===x||o[2*l]>o[2*l+1])&&(s=!1)}if(!s)for(let e=0;e<3;e++)o[2*e]=r[2*e],o[2*e+1]=r[2*e]-1}}const LS={interpolationMode:bS.NEAREST};function BS(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,LS,n),ES.extend(e,t,n),jt.setGet(e,t,["interpolationMode"]),DS(e,t)}var NS={newInstance:jt.newInstance(BS,"vtkImageInterpolator"),extend:BS};function kS(e,t){t.classHierarchy.push("vtkImagePointDataIterator"),e.initialize=(e,n,r,o)=>{const a=e.getExtent();let i=n;null==i&&(i=a);let s,l,c,u=!1;for(let e=0;e<6;e+=2)t.extent[e]=Math.max(i[e],a[e]),t.extent[e+1]=Math.min(i[e+1],a[e+1]),t.extent[e]>t.extent[e+1]&&(u=!0);if(t.rowIncrement=a[1]-a[0]+1,t.sliceIncrement=t.rowIncrement*(a[3]-a[2]+1),u){s=0,l=0,c=0,t.id=0,t.rowEndIncrement=0,t.sliceEndIncrement=0;for(let e=0;e<6;e+=2)t.extent[e]=a[e],t.extent[e+1]=a[e]-1}else s=t.extent[1]-t.extent[0]+1,l=t.extent[3]-t.extent[2]+1,c=t.extent[5]-t.extent[4]+1,t.id=t.extent[0]-a[0]+(t.extent[2]-a[2])*t.rowIncrement+(t.extent[4]-a[4])*t.sliceIncrement,t.rowEndIncrement=t.rowIncrement-s,t.sliceEndIncrement=t.rowEndIncrement+t.sliceIncrement-t.rowIncrement*l;if(t.spanEnd=t.id+s,t.rowEnd=t.id+s,t.sliceEnd=t.id+(t.rowIncrement*l-t.rowEndIncrement),t.end=t.id+(t.sliceIncrement*c-t.sliceEndIncrement),t.index[0]=t.extent[0],t.index[1]=t.extent[2],t.index[2]=t.extent[4],t.startY=t.index[1],r){t.hasStencil=!0,t.inStencil=!1,t.spanIndex=0;const e=r.getExtent();if(t.spanSliceIncrement=0,t.spanSliceEndIncrement=0,e[3]>=e[2]&&e[5]>=e[4]){t.spanSliceIncrement=e[3]-e[2]+1;const n=t.extent[2]-e[2];n>=0&&(t.spanSliceEndIncrement+=n);const r=e[3]-t.extent[3];r>=0&&(t.spanSliceEndIncrement+=r)}let n=0;const o=t.extent[2]-e[2];o<0?(t.extent[2]=e[2],n-=1):n+=o,e[3]<=t.extent[3]&&(t.extent[3]=e[3]);const a=t.extent[4]-e[4];a<0?(t.extent[4]=e[4],o>=0&&(n-=1+t.spanSliceEndIncrement)):n+=a*t.spanSliceIncrement,e[5]<=t.extent[5]&&(t.extent[5]=e[5]),t.extent[2]<=t.extent[3]&&t.extent[4]<=t.extent[5]?(t.spanCountPointer=r.extentListLengths.subarray(n),t.spanListPointer=r.extentLists.subarray(n),o>=0&&a>=0&&(t.inStencil=!0,t.setSpanState(t.extent[0]))):(t.spanCountPointer=null,t.spanListPointer=null,t.inStencil=!1)}else t.hasStencil=!1,t.inStencil=!0,t.spanSliceEndIncrement=0,t.spanSliceIncrement=0,t.spanIndex=0,t.spanCountPointer=null,t.spanListPointer=null;if(o){t.algorithm=o;const e=l*c;t.target=e/50+1,t.count=50*t.target-e/t.target*t.target+1}else t.algorithm=null,t.target=0,t.count=0},e.setSpanState=e=>{let n=!1;const r=t.spanListPointer,o=t.spanCountPointer[0];let a;for(a=0;ae);++a)n=!n;t.spanIndex=a,t.inStencil=n;let i=t.extent[1]+1;a{if(t.spanEnd===t.rowEnd){let n=1;if(t.spanEnd!==t.sliceEnd)t.id=t.rowEnd+t.rowEndIncrement,t.rowEnd+=t.rowIncrement,t.spanEnd=t.rowEnd,t.index[1]++;else{if(t.spanEnd===t.end)return void(t.id=t.end);t.id=t.sliceEnd+t.sliceEndIncrement,t.sliceEnd+=t.sliceIncrement,t.rowEnd=t.id+(t.rowIncrement-t.rowEndIncrement),t.spanEnd=t.rowEnd,t.index[1]=t.startY,t.index[2]++,n+=t.spanSliceEndIncrement}t.index[0]=t.extent[0],t.hasStencil&&(t.index[1]>=t.extent[2]&&t.index[1]<=t.extent[3]&&t.index[2]>=t.extent[4]&&t.index[2]<=t.extent[5]?(t.spanCountPointer=t.spanCountPointer.subarray(n),t.spanListPointer=t.spanListPointer.subarray(n),e.setSpanState(t.extent[0])):t.inStencil=!1),t.algorithm&&e.reportProgress()}else{t.id=t.spanEnd;const e=t.spanCountPointer[0];let n=t.extent[1]+1;if(t.index[0]=n,t.spanIndext.id===t.end,e.isInStencil=()=>t.inStencil,e.spanEndId=()=>t.spanEnd,e.reportProgress=()=>{},e.getArray=(e,t)=>e.getData().subarray(t*e.getNumberOfComponents()),e.getScalars=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;return e.getArray(t.getPointData().getScalars(),n)}}const FS={spanState:0,extent:[0,-1,0,-1,0,-1],end:0,spanEnd:0,rowEnd:0,sliceEnd:0,rowIncrement:0,rowEndIncrement:0,sliceIncrement:0,sliceEndIncrement:0,id:0,index:[0,0,0],startY:0,hasStencil:!1,inStencil:!0,spanIndex:0,spanSliceIncrement:0,spanSliceEndIncrement:0,spanCountPointer:null,spanListPointer:null,algorithm:null,target:0,count:0};function _S(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,FS,n),jt.obj(e,t),jt.get(e,t,["id","index"]),kS(e,t)}var GS={newInstance:jt.newInstance(_S,"vtkImagePointDataIterator"),extend:_S};const US={MIN:0,MAX:1,MEAN:2,SUM:3};var zS={SlabMode:US};const{SlabMode:WS}=zS,{vtkErrorMacro:HS}=jt;function jS(e,t){t.classHierarchy.push("vtkImageReslice");const n={...e},r=g(new Float64Array(16));let o=null;function a(e,t,n,r){const o=n-1;for(let n=0;n{let e=n.getMTime();return t.resliceTransform&&(e=Math.max(e,t.resliceTransform.getMTime())),e},e.setResliceAxes=n=>(t.resliceAxes||(t.resliceAxes=g(new Float64Array(16))),ne(t.resliceAxes,n)?null:(d(t.resliceAxes,n),e.modified(),!0)),e.requestData=(n,a)=>{const i=n[0];if(!i)return void HS("Invalid or missing input");const s=i.getOrigin(),l=i.getSpacing(),c=i.getDimensions(),u=i.getPointData().getScalars(),d=[0,c[0]-1,0,c[1]-1,0,c[2]-1],p=[0,0,0],f=[1,1,1],m=[0,0,0,0,0,0],v=[0,0,0],y=g(new Float64Array(16));t.resliceAxes&&b(y,y,t.resliceAxes);const x=new Float64Array(16);h(x,y);const T=[s[0]+.5*(d[0]+d[1])*l[0],s[1]+.5*(d[2]+d[3])*l[1],s[2]+.5*(d[4]+d[5])*l[2]];let C=null;t.autoCropOutput&&(C=e.getAutoCroppedOutputBounds(i));for(let e=0;e<3;e++){let n=0,r=0,o=0,a=0;if(t.transformInputSampling){let t=0;for(let i=0;i<3;i++){a+=x[4*i+e]*(T[i]-y[12+i]);const s=y[4*e+i]*y[4*e+i];n+=s*Math.abs(l[i]),r+=s*(d[2*i+1]-d[2*i])*Math.abs(l[i]),o+=s*d[2*i],t+=s}n/=t,r/=t*Math.sqrt(t),o/=t}else a=T[e],n=l[e],r=(d[2*e+1]-d[2*e])*n,o=d[2*e];null==t.outputSpacing?f[e]=n:f[e]=t.outputSpacing[e],e>=t.outputDimensionality?(m[2*e]=0,m[2*e+1]=0):null==t.outputExtent?(t.autoCropOutput&&(r=C[2*e+1]-C[2*e]),m[2*e]=Math.round(o),m[2*e+1]=Math.round(m[2*e]+Math.abs(r/f[e]))):(m[2*e]=t.outputExtent[2*e],m[2*e+1]=t.outputExtent[2*e+1]),e>=t.outputDimensionality?p[e]=0:null==t.outputOrigin?t.autoCropOutput?p[e]=C[2*e]-m[2*e]*f[e]:p[e]=a-.5*(m[2*e]+m[2*e+1])*f[e]:p[e]=t.outputOrigin[e],v[e]=m[2*e+1]-m[2*e]+1}let S=u.getDataType();t.outputScalarType&&(S=t.outputScalarType);const P=i.getPointData().getScalars().getNumberOfComponents(),A=jt.newTypedArray(S,v[0]*v[1]*v[2]*P),I=Es.newInstance({name:"Scalars",values:A,numberOfComponents:P}),w=gl.newInstance();w.setDimensions(v),w.setOrigin(p),w.setSpacing(f),t.outputDirection&&w.setDirection(t.outputDirection),w.getPointData().setScalars(I),e.getIndexMatrix(i,w);let O=t.interpolationMode;t.usePermuteExecute=!1,t.optimization&&null==o&&1===t.slabSliceSpacingFraction&&t.interpolator.isSeparable()&&e.isPermutationMatrix(r)&&(t.usePermuteExecute=!0,e.canUseNearestNeighbor(r,m)&&(O=bS.NEAREST)),t.interpolator.setInterpolationMode(O);let M=yS.CLAMP;M=t.wrap?yS.REPEAT:M,M=t.mirror?yS.MIRROR:M,t.interpolator.setBorderMode(M);const R=762939453125e-17;let V=.5*t.border;V=M===yS.CLAMP?V:4294967294,V=V>R?V:R,t.interpolator.setTolerance(V),t.interpolator.initialize(i),e.vtkImageResliceExecute(i,w),t.interpolator.releaseData(),a[0]=w},e.vtkImageResliceExecute=(n,a)=>{const i=n.getPointData().getScalars(),s=a.getPointData().getScalars();let l=s.getData();const c=a.getExtent(),u=r,d=Math.max(t.slabNumberOfSlices,1),p=t.slabSliceSpacingFraction,f=e.isPerspectiveMatrix(u);let g=i.getData();const m=i.getDataType(),h=i.getNumberOfComponents(),v=t.interpolator.getComponentOffset(),y=t.interpolator.getBorderMode(),b=n.getDimensions(),x=[0,b[0]-1,0,b[1]-1,0,b[2]-1],T=[0,0,0];T[0]=i.getNumberOfComponents(),T[1]=T[0]*b[0],T[2]=T[1]*b[1];const C=b[0]*b[1]*b[2];v>0&&v+hbS.LINEAR||d>1&&t.slabMode===WS.SUM,B=e.getConversionFunc(m,I,t.scalarShift,t.scalarScale,L),N=e.getSetPixelsFunc(I,1,w,l),k=e.getCompositeFunc(t.slabMode,t.slabTrapezoidIntegration);let F=c[2]-1,_=c[4]-1;const G=[0,0,0,0],U=[0,0,0,0],z=GS.newInstance();z.initialize(a,c,t.stencil,null);const W=z.getScalars(a,0);let H=0;const j=jt.newTypedArray(I,Fi.getDiagonalLength(c)*w*2),K=new Float64Array(h*d),$=new Float64Array(h);for(;!z.isAtEnd();z.nextSpan()){const n=z.spanEndId()-z.getId();if(H=1*z.getId()*w,z.isInStencil()){const r=z.getIndex();r[2]>_&&(_=r[2],G[0]=V[0]+_*R[0],G[1]=V[1]+_*R[1],G[2]=V[2]+_*R[2],G[3]=V[3]+_*R[3],F=c[2]-1),r[1]>F&&(F=r[1],U[0]=G[0]+F*M[0],U[1]=G[1]+F*M[1],U[2]=G[2]+F*M[2],U[3]=G[3]+F*M[3]);const a=r[0],i=a+n-1;if(A){const e=g,t=l,n=1*T[0],r=1*T[1],o=1*T[2],s=x[1]-x[0]+1,c=x[3]-x[2]+1,u=x[5]-x[4]+1;let d=a,p=a-1,f=!1;const m=1*h;for(let t=a;t<=i;t++){const i=[U[0]+t*O[0],U[1]+t*O[1],U[2]+t*O[2]],l=PS(i[0])-x[0],g=PS(i[1])-x[2],h=PS(i[2])-x[4];if(l>=0&&l=0&&g=0&&h1){let e=n-.5*(d-1);e*=p,s[0]=i[0]+e*R[0],s[1]=i[1]+e*R[1],s[2]=i[2]+e*R[2],s[3]=i[3]+e*R[3],g=s}if(f){const e=1/g[3];g[0]*=e,g[1]*=e,g[2]*=e}if(null!==o){const n=t.interpolator.getOrigin(),r=t.interpolator.getSpacing(),a=[1/r[0],1/r[1],1/r[2]];e.applyTransform(o,g,n,a)}if(t.interpolator.checkBoundsIJK(g)){r=1,t.interpolator.interpolateIJK(g,$);for(let e=0;eh&&k(K,h,m/h);for(let e=0;ea?n:r}const g=l-1-(r!==n)-s+1;let m=0;n?(P&&e.rescaleScalars(E,h,i-a+1,t.scalarShift,t.scalarScale),m=B(j,E.subarray(s*h),w,g)):m=N(j,D,w,g);for(let e=0;e{const a=g(new Float64Array(16));return o=null,t.resliceAxes&&d(a,t.resliceAxes),t.resliceTransform&&(t.resliceTransform.isA("vtkHomogeneousTransform")?b(a,t.resliceTransform.getMatrix(),a):tt("Non homogeneous transform have not yet been ported")),b(a,a,n.getIndexToWorld()),null==o&&b(a,e.getWorldToIndex(),a),d(r,a),r},e.getAutoCroppedOutputBounds=e=>{const n=e.getOrigin(),r=e.getSpacing(),o=e.getDirection(),a=e.getDimensions(),i=[0,a[0]-1,0,a[1]-1,0,a[2]-1],s=new Float64Array(16);t.resliceAxes?h(s,t.resliceAxes):g(s);let l=null;t.resliceTransform&&(l=t.resliceTransform.getInverse());let c=null;Ga.isIdentity3x3(o)||(c=_f().translate(n[0],n[1],n[2]).multiply3x3(o).translate(-n[0],-n[1],-n[2]).invert().getMatrix());const u=[Number.MAX_VALUE,-Number.MAX_VALUE,Number.MAX_VALUE,-Number.MAX_VALUE,Number.MAX_VALUE,-Number.MAX_VALUE],d=[0,0,0,0];for(let e=0;e<8;++e){d[0]=n[0]+i[e%2]*r[0],d[1]=n[1]+i[2+Math.floor(e/2)%2]*r[1],d[2]=n[2]+i[4+Math.floor(e/4)%2]*r[2],d[3]=1,c&&Gi(d,d,c),t.resliceTransform&&l.transformPoint(d,d),Gi(d,d,s);const o=1/d[3];d[0]*=o,d[1]*=o,d[2]*=o;for(let e=0;e<3;++e)d[e]>u[2*e+1]&&(u[2*e+1]=d[e]),d[e]{switch(e){case"Int8Array":return{min:-128,max:127};case"Int16Array":return{min:-32768,max:32767};case"Uint16Array":return{min:0,max:65535};case"Int32Array":return{min:-2147483648,max:2147483647};case"Uint32Array":return{min:0,max:4294967295};case"Float32Array":case"Float64Array":return{min:-12e37,max:12e37};default:return{min:0,max:255}}},e.clamp=(e,t,n,r,o,a)=>{const i=r*n;for(let n=0;n{const o=r*n;for(let n=0;n{let i=a;if(n!==ys.FLOAT&&n!==ys.DOUBLE&&!a){const a=e.getDataTypeMinMax(t);let s=(a.min+r)*o,l=(a.max+r)*o;const c=e.getDataTypeMinMax(n),u=c.min,d=c.max;if(s>l){const e=l;l=s,s=e}i=sd}if(i&&n!==ys.FLOAT&&n!==ys.DOUBLE){const t=e.getDataTypeMinMax(n);return(n,r,o,a)=>e.clamp(n,r,o,a,t.min,t.max)}return e.convert},e.set=(e,t,n,r)=>{const o=n*r;for(let n=0;n(e.fill(t[0],0,r),r),e.getSetPixelsFunc=(t,n,r,o)=>1===r?e.set1:e.set,e.getCompositeFunc=(e,t)=>{let n=null;switch(e){case WS.MIN:n=s;break;case WS.MAX:n=l;break;case WS.MEAN:n=t?u:c;break;case WS.SUM:n=t?f:p}return n},e.applyTransform=(e,t,n,r)=>{t[3]=1,Gi(t,t,e),t[0]-=n[0],t[1]-=n[1],t[2]-=n[2],t[0]*=r[0],t[1]*=r[1],t[2]*=r[2]},e.rescaleScalars=(e,t,n,r,o)=>{const a=n*t;for(let t=0;t{for(let t=0;t<3;t++)if(0!==e[4*t+3])return!1;if(1!==e[15])return!1;for(let t=0;t<3;t++){let n=0;for(let r=0;r<3;r++)0!==e[4*t+r]&&n++;if(1!==n)return 0}return 1},e.isIdentityMatrix=e=>{for(let t=0;t<4;++t)for(let n=0;n<4;++n)if((t===n?1:0)!==e[4*n+t])return!1;return!0},e.isPerspectiveMatrix=e=>0!==e[3]||0!==e[7]||0!==e[11]||1!==e[15],e.canUseNearestNeighbor=(e,t)=>{for(let n=0;n<3;n++){let r;for(r=0;r<3&&0===e[4*r+n];r++);if(r>=3)return 0;let o=e[4*r+n],a=e[12+n];t[2*r]===t[2*r+1]&&(a+=o*t[2*n],o=0);const i=SS(o).error,s=SS(a).error;if(0!==i||0!==s)return 0}return 1}}const KS={transformInputSampling:!0,autoCropOutput:!1,outputDimensionality:3,outputSpacing:null,outputOrigin:null,outputDirection:null,outputExtent:null,outputScalarType:null,wrap:!1,mirror:!1,border:!0,interpolationMode:bS.NEAREST,slabMode:WS.MIN,slabTrapezoidIntegration:!1,slabNumberOfSlices:1,slabSliceSpacingFraction:1,optimization:!1,scalarShift:0,scalarScale:1,backgroundColor:[0,0,0,0],resliceAxes:null,interpolator:NS.newInstance(),usePermuteExecute:!1};function $S(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,KS,n),jt.obj(e,t),jt.algo(e,t,1,1),jt.setGet(e,t,["outputDimensionality","outputScalarType","scalarShift","scalarScale","transformInputSampling","autoCropOutput","wrap","mirror","border","interpolationMode","resliceTransform","slabMode","slabTrapezoidIntegration","slabNumberOfSlices","slabSliceSpacingFraction"]),jt.setGetArray(e,t,["outputOrigin","outputSpacing"],3),jt.setGetArray(e,t,["outputExtent"],6),jt.setGetArray(e,t,["outputDirection"],9),jt.setGetArray(e,t,["backgroundColor"],4),jt.get(e,t,["resliceAxes"]),jt.algo(e,t,1,1),jS(e,t)}var qS={newInstance:jt.newInstance($S,"vtkImageReslice"),extend:$S,...zS};const{InterpolationType:XS}=rg,{vtkErrorMacro:YS}=jt;function ZS(e,t){t.classHierarchy.push("vtkImageProperty"),e.getMTime=()=>{let e,n=t.mtime;for(let r=0;r<4;r++)t.componentData[r].rGBTransferFunction&&(e=t.componentData[r].rGBTransferFunction.getMTime(),n=n>e?n:e),t.componentData[r].piecewiseFunction&&(e=t.componentData[r].piecewiseFunction.getMTime(),n=n>e?n:e);return n},e.setRGBTransferFunction=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,o=n,a=r;return Number.isInteger(n)||(a=n,o=0),t.componentData[o].rGBTransferFunction!==a&&(t.componentData[o].rGBTransferFunction=a,e.modified(),!0)},e.getRGBTransferFunction=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return t.componentData[e].rGBTransferFunction},e.setPiecewiseFunction=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,o=n,a=r;return Number.isInteger(n)||(a=n,o=0),t.componentData[o].piecewiseFunction!==a&&(t.componentData[o].piecewiseFunction=a,e.modified(),!0)},e.getPiecewiseFunction=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return t.componentData[e].piecewiseFunction},e.setScalarOpacity=function(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,r=t,o=n;return Number.isInteger(t)||(o=t,r=0),e.setPiecewiseFunction(r,o)},e.getScalarOpacity=function(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return e.getPiecewiseFunction(t)},e.setComponentWeight=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;if(n<0||n>=4)return YS("Invalid index"),!1;const o=Math.min(1,Math.max(0,r));return t.componentData[n].componentWeight!==o&&(t.componentData[n].componentWeight=o,e.modified(),!0)},e.getComponentWeight=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return e<0||e>=4?(YS("Invalid index"),0):t.componentData[e].componentWeight},e.setInterpolationTypeToNearest=()=>e.setInterpolationType(XS.NEAREST),e.setInterpolationTypeToLinear=()=>e.setInterpolationType(XS.LINEAR),e.getInterpolationTypeAsString=()=>jt.enumToString(XS,t.interpolationType)}const QS={independentComponents:!1,interpolationType:XS.LINEAR,colorWindow:255,colorLevel:127.5,ambient:1,diffuse:0,opacity:1,useLookupTableScalarRange:!1,useLabelOutline:!1,labelOutlineThickness:[1],labelOutlineOpacity:1};function JS(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};if(Object.assign(t,QS,n),jt.obj(e,t),!t.componentData){t.componentData=[];for(let e=0;e<4;e++)t.componentData.push({rGBTransferFunction:null,piecewiseFunction:null,componentWeight:1})}jt.setGet(e,t,["independentComponents","interpolationType","colorWindow","colorLevel","ambient","diffuse","opacity","useLookupTableScalarRange","useLabelOutline","labelOutlineOpacity"]),jt.setGetArray(e,t,["labelOutlineThickness"]),ZS(e,t)}var eP={newInstance:jt.newInstance(JS,"vtkImageProperty"),extend:JS};const{vtkDebugMacro:tP}=jt;function nP(e,t){t.classHierarchy.push("vtkImageSlice"),e.getActors=()=>e,e.getImages=()=>e,e.getIsOpaque=()=>{if(t.forceOpaque)return!0;if(t.forceTranslucent)return!1;t.property||e.getProperty();let n=t.property.getOpacity()>=1;return n=n&&(!t.mapper||t.mapper.getIsOpaque()),n},e.hasTranslucentPolygonalGeometry=()=>!1,e.makeProperty=eP.newInstance,e.getProperty=()=>(null===t.property&&(t.property=e.makeProperty()),t.property),e.getBounds=()=>{if(null===t.mapper)return t.bounds;const n=t.mapper.getBounds();if(!n||6!==n.length)return n;if(n[0]>n[1])return t.mapperBounds=n.concat(),t.bounds=[1,-1,1,-1,1,-1],t.boundsMTime.modified(),n;if(!t.mapperBounds||!(r=[n,t.mapperBounds],r[0].map(((e,t)=>r.map((e=>e[t]))))).reduce(((e,t)=>e&&t[0]===t[1]),!0)||e.getMTime()>t.boundsMTime.getMTime()){tP("Recomputing bounds..."),t.mapperBounds=n.map((e=>e)),e.computeMatrix();const r=new Float64Array(16);m(r,t.matrix),Fi.transformBounds(n,r,t.bounds),t.boundsMTime.modified()}var r;return t.bounds},e.getBoundsForSlice=(n,r)=>{const o=t.mapper.getBoundsForSlice(n,r);if(!Fi.isValid(o))return o;e.computeMatrix();const a=new Float64Array(16);return m(a,t.matrix),Fi.transformBounds(o,a)},e.getMinXBound=()=>e.getBounds()[0],e.getMaxXBound=()=>e.getBounds()[1],e.getMinYBound=()=>e.getBounds()[2],e.getMaxYBound=()=>e.getBounds()[3],e.getMinZBound=()=>e.getBounds()[4],e.getMaxZBound=()=>e.getBounds()[5],e.getMTime=()=>{let e=t.mtime;if(null!==t.property){const n=t.property.getMTime();e=n>e?n:e}return e},e.getRedrawMTime=()=>{let e=t.mtime;if(null!==t.mapper){let n=t.mapper.getMTime();e=n>e?n:e,null!==t.mapper.getInput()&&(t.mapper.getInputAlgorithm().update(),n=t.mapper.getInput().getMTime(),e=n>e?n:e)}if(null!==t.property){let n=t.property.getMTime();e=n>e?n:e,null!==t.property.getRGBTransferFunction()&&(n=t.property.getRGBTransferFunction().getMTime(),e=n>e?n:e)}return e},e.getSupportsSelection=()=>!!t.mapper&&t.mapper.getSupportsSelection()}const rP={mapper:null,property:null,bounds:[...Fi.INIT_BOUNDS]};function oP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,rP,n),ts.extend(e,t,n),t.boundsMTime={},jt.obj(t.boundsMTime),jt.set(e,t,["property"]),jt.setGet(e,t,["mapper"]),jt.getArray(e,t,["bounds"],6),nP(e,t)}var aP={newInstance:jt.newInstance(oP,"vtkImageSlice"),extend:oP};function iP(e,t){t.classHierarchy.push("vtkInteractorStyleImage"),e.superHandleMouseMove=e.handleMouseMove,e.handleMouseMove=n=>{const r=n.position,o=n.pokedRenderer;switch(t.state){case zx.IS_WINDOW_LEVEL:e.windowLevel(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case zx.IS_SLICE:e.slice(o,r),e.invokeInteractionEvent({type:"InteractionEvent"})}e.superHandleMouseMove(n)},e.superHandleLeftButtonPress=e.handleLeftButtonPress,e.handleLeftButtonPress=n=>{const r=n.position;if(n.shiftKey||n.controlKey)"IMAGE3D"===t.interactionMode&&n.shiftKey?n.controlKey||n.altKey?e.startDolly():e.startRotate():"IMAGE_SLICING"===t.interactionMode&&n.controlKey?(t.lastSlicePosition=r.y,e.startSlice()):e.superHandleLeftButtonPress(n);else{t.windowLevelStartPosition[0]=r.x,t.windowLevelStartPosition[1]=r.y,e.setCurrentImageNumber(t.currentImageNumber);const n=t.currentImageProperty;n&&(t.windowLevelInitial[0]=n.getColorWindow(),t.windowLevelInitial[1]=n.getColorLevel()),e.startWindowLevel()}},e.superHandleLeftButtonRelease=e.handleLeftButtonRelease,e.handleLeftButtonRelease=()=>{switch(t.state){case zx.IS_WINDOW_LEVEL:e.endWindowLevel();break;case zx.IS_SLICE:e.endSlice();break;default:e.superHandleLeftButtonRelease()}},e.handleStartMouseWheel=()=>{e.startSlice()},e.handleEndMouseWheel=()=>{e.endSlice()},e.handleMouseWheel=e=>{const t=e.pokedRenderer.getActiveCamera();let n=t.getDistance();n+=e.spinY;const r=t.getClippingRange();nr[1]&&(n=r[1]),t.setDistance(n),e.pokedRenderer.getViewProps().filter((e=>e.isA("vtkImageSlice"))).forEach((t=>{if(t.getMapper().isA("vtkImageResliceMapper")){const n=t.getMapper().getSlicePlane();n&&(n.push(e.spinY),n.modified(),t.getMapper().modified())}}))},e.windowLevel=(e,n)=>{t.windowLevelCurrentPosition[0]=n.x,t.windowLevelCurrentPosition[1]=n.y;const r=t._interactor;if(t.currentImageProperty){const n=r.getView().getViewportSize(e),o=t.windowLevelInitial[0],a=t.windowLevelInitial[1];let i=4*(t.windowLevelCurrentPosition[0]-t.windowLevelStartPosition[0])/n[0],s=4*(t.windowLevelStartPosition[1]-t.windowLevelCurrentPosition[1])/n[1];Math.abs(o)>.01?i*=o:i*=o<0?-.01:.01,Math.abs(a)>.01?s*=a:s*=a<0?-.01:.01,o<0&&(i*=-1),a<0&&(s*=-1);let l=i+o;const c=a-s;l<.01&&(l=.01),t.currentImageProperty.setColorWindow(l),t.currentImageProperty.setColorLevel(c)}},e.slice=(e,n)=>{const r=t._interactor,o=n.y-t.lastSlicePosition,a=e.getActiveCamera(),i=a.getClippingRange();let s=a.getDistance(),l=0;if(a.getParallelProjection())l=2*a.getParallelScale();else{const e=Mo(a.getViewAngle());l=2*s*Math.tan(.5*e)}s+=o*l/r.getView().getViewportSize(e)[1],si[1]&&(s=i[1]-.001*l),a.setDistance(s),t.lastSlicePosition=n.y},e.setCurrentImageNumber=n=>{if(null===n)return;const r=t._interactor.getCurrentRenderer();if(!r)return;t.currentImageNumber=n;const o=r.getViewProps().filter((e=>e.isA("vtkImageSlice")));let a=n;n<0&&(a+=o.length);const i=o.find(((e,t)=>function(e,t,n){return e===n&&t.getNestedPickable()}(t,e,a)));i&&e.setCurrentImageProperty(i.getProperty())},e.setCurrentImageProperty=e=>{t.currentImageProperty=e}}const sP={windowLevelStartPosition:[0,0],windowLevelCurrentPosition:[0,0],lastSlicePosition:0,windowLevelInitial:[1,.5],currentImageNumber:-1,interactionMode:"IMAGE2D",xViewRightVector:[0,1,0],xViewUpVector:[0,0,-1],yViewRightVector:[1,0,0],yViewUpVector:[0,0,-1],zViewRightVector:[1,0,0],zViewUpVector:[0,1,0]};function lP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,sP,n),eT.extend(e,t,n),jt.setGet(e,t,["interactionMode"]),jt.get(e,t,["currentImageProperty"]),iP(e,t)}var cP={newInstance:jt.newInstance(lP,"vtkInteractorStyleImage"),extend:lP};const{vtkErrorMacro:uP}=jt,dP=[0,2,4,1,2,4,0,3,4,1,3,4,0,2,5,1,2,5,0,3,5,1,3,5],pP=[2,0,1,2,2,3,2,4,5,2,6,7,2,0,2,2,1,3,2,4,6,2,5,7,2,0,4,2,1,5,2,2,6,2,3,7];function fP(e,t){t.classHierarchy.push("vtkOutlineFilter"),e.requestData=(e,t)=>{const n=e[0];if(!n)return void uP("Invalid or missing input");const r=n.getBounds(),o=hu.newInstance();o.getPoints().setData(Float32Array.from(dP.map((e=>r[e]))),3),o.getLines().setData(Uint16Array.from(pP)),t[0]=o}}const gP={};function mP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,gP,n),jt.obj(e,t),jt.algo(e,t,1,1),fP(e,t)}var hP={newInstance:jt.newInstance(mP,"vtkOutlineFilter"),extend:mP,BOUNDS_MAP:dP,LINE_ARRAY:pP},vP={Corners:{TOP_LEFT:"TOP_LEFT",TOP_RIGHT:"TOP_RIGHT",BOTTOM_LEFT:"BOTTOM_LEFT",BOTTOM_RIGHT:"BOTTOM_RIGHT"}};const{vtkErrorMacro:yP}=jt,{Corners:bP}=vP;function xP(e,t){t.classHierarchy.push("vtkOrientationMarkerWidget");const n={...e},r=[],o=ux.newInstance(),a=new ResizeObserver((t=>{e.updateViewport()}));let i=null,s=null,l=null,c=null,u=null;function d(){t._interactor.isAnimating()||e.updateMarkerOrientation()}t._onParentRendererChanged=()=>e.updateViewport(),e.computeViewport=()=>{const e=t.parentRenderer||t._interactor.getCurrentRenderer(),[n,r,o,a]=e.getViewport(),i=t._interactor.getView(),s=i.getSize(),[l,c]=i.getViewportSize(e),u=Math.min(l,c);let d=t.viewportSize*u;d=Math.max(Math.min(t.minPixelSize,u),Math.min(t.maxPixelSize,d));const p=d/s[0],f=d/s[1];switch(t.viewportCorner){case bP.TOP_LEFT:return[n,a-f,n+p,a];case bP.TOP_RIGHT:return[o-p,a-f,o,a];case bP.BOTTOM_LEFT:return[n,r,n+p,r+f];case bP.BOTTOM_RIGHT:return[o-p,r,o,r+f];default:return yP("Invalid widget corner"),null}},e.updateViewport=()=>{t.enabled&&(o.setViewport(...e.computeViewport()),t._interactor.render())},e.updateMarkerOrientation=()=>{const e=(t.parentRenderer||t._interactor.getCurrentRenderer()).getActiveCamera();if(!e)return;const n=e.getReferenceByName("position"),a=e.getReferenceByName("focalPoint"),i=e.getReferenceByName("viewUp");if(r[0]!==n[0]||r[1]!==n[1]||r[2]!==n[2]||r[3]!==a[0]||r[4]!==a[1]||r[5]!==a[2]||r[6]!==i[0]||r[7]!==i[1]||r[8]!==i[2]){r[0]=n[0],r[1]=n[1],r[2]=n[2],r[3]=a[0],r[4]=a[1],r[5]=a[2],r[6]=i[0],r[7]=i[1],r[8]=i[2];const e=o.getActiveCamera();e.setPosition(n[0],n[1],n[2]),e.setFocalPoint(a[0],a[1],a[2]),e.setViewUp(i[0],i[1],i[2]),o.resetCamera()}},e.setEnabled=n=>{if(n){if(t.enabled)return;if(!t.actor)return void yP("Must set actor before enabling orientation marker.");if(!t._interactor)return void yP("Must set interactor before enabling orientation marker.");const n=t.parentRenderer||t._interactor.getCurrentRenderer(),r=n.getRenderWindow();r.addRenderer(o),r.getNumberOfLayers()<2&&r.setNumberOfLayers(2),o.setLayer(r.getNumberOfLayers()-1),o.setInteractive(!1),o.addViewProp(t.actor),t.actor.setVisibility(!0),i=n.onEvent((e=>{"ActiveCameraEvent"===e.type&&(s&&s.unsubscribe(),s=e.camera.onModified(d))})),s=n.getActiveCamera().onModified(d),l=t._interactor.onAnimation(e.updateMarkerOrientation),c=t._interactor.onEndAnimation(e.updateMarkerOrientation),a.observe(t._interactor.getView().getCanvas()),e.updateViewport(),e.updateMarkerOrientation(),t.enabled=!0}else{if(!t.enabled)return;t.enabled=!1,a.disconnect(),i.unsubscribe(),i=null,s.unsubscribe(),s=null,l.unsubscribe(),l=null,c.unsubscribe(),c=null,t.actor.setVisibility(!1),o.removeViewProp(t.actor);const e=t._interactor?.findPokedRenderer()?.getRenderWindow();e&&e.removeRenderer(o)}e.modified()},e.setViewportCorner=n=>{n!==t.viewportCorner&&(t.viewportCorner=n,e.updateViewport())},e.setViewportSize=n=>{const r=Math.min(1,Math.max(0,n));r!==t.viewportSize&&(t.viewportSize=r,e.updateViewport())},e.setActor=n=>{const r=t.enabled;e.setEnabled(!1),t.actor=n,e.setEnabled(r)},e.getRenderer=()=>o,e.delete=()=>{n.delete(),u&&(u.unsubscribe(),u=null),i&&(i.unsubscribe(),i=null),s&&(s.unsubscribe(),s=null),l&&(l.unsubscribe(),l=null),c&&(c.unsubscribe(),c=null),a.disconnect()},u=e.onModified(e.updateViewport)}const TP={viewportCorner:vP.Corners.BOTTOM_LEFT,viewportSize:.2,minPixelSize:50,maxPixelSize:200,parentRenderer:null};function CP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,TP,n),jt.obj(e,t),jt.get(e,t,["enabled","viewportCorner","viewportSize"]),jt.setGet(e,t,["_interactor","minPixelSize","maxPixelSize","parentRenderer"]),jt.get(e,t,["actor"]),jt.moveToProtected(e,t,["interactor"]),xP(e,t)}var SP={newInstance:jt.newInstance(CP,"vtkOrientationMarkerWidget"),extend:CP,...vP};const PP={DEFAULT:0,GEOMETRY:1,SLICE:2,VOLUME:3,YZ_PLANE:4,XZ_PLANE:5,XY_PLANE:6},AP={PICKING_BUFFER:0,FRONT_BUFFER:1},IP={MOUSE_MOVE:0,MOUSE_RELEASE:1};var wP={ViewTypes:PP,RenderingTypes:AP,CaptureOn:IP};function OP(e,t){t.classHierarchy.push("vtkAbstractWidget"),t.actorToRepresentationMap=new WeakMap,e.getBounds=t.widgetState.getBounds,e.getNestedProps=()=>t.representations,e.activateHandle=n=>{let{selectedState:r,representation:o}=n;t.widgetState.activateOnly(r),t.activeState=r,r&&r.updateManipulator&&r.updateManipulator(),e.invokeActivateHandle({selectedState:r,representation:o}),e.updateCursor&&e.updateCursor()},e.deactivateAllHandles=()=>{t.widgetState.deactivate()},e.hasActor=e=>t.actorToRepresentationMap.has(e),e.grabFocus=()=>{t.hasFocus=!0},e.loseFocus=()=>{t.hasFocus=!1},e.hasFocus=()=>t.hasFocus,e.placeWidget=e=>t.widgetState.placeWidget(e),e.getPlaceFactor=()=>t.widgetState.getPlaceFactor(),e.setPlaceFactor=e=>t.widgetState.setPlaceFactor(e),e.getRepresentationFromActor=e=>t.actorToRepresentationMap.get(e),e.updateRepresentationForRender=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:AP.FRONT_BUFFER;for(let n=0;nt._factory.getViewWidgets(),e.setPriority(.5)}const MP={contextVisibility:!0,handleVisibility:!0,hasFocus:!1};function RP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,MP,n),Zi.extend(e,t,n),Ux.extend(e,t,n),jt.setGet(e,t,["contextVisibility","handleVisibility","_widgetManager"]),jt.get(e,t,["representations","widgetState","activeState"]),jt.moveToProtected(e,t,["widgetManager"]),jt.event(e,t,"ActivateHandle"),OP(e,t)}var VP={newInstance:jt.newInstance(RP,"vtkAbstractWidget"),extend:RP};const{ViewTypes:EP,RenderingTypes:DP,CaptureOn:LP}=wP,{vtkErrorMacro:BP}=jt;let NP=1;function kP(e){const t=e.getActiveCamera(),n=e.getRenderWindow(),r=n.getInteractor(),o=r.getView();return{renderer:e,renderWindow:n,interactor:r,apiSpecificRenderWindow:o,camera:t}}function FP(e,t){const{dispHeightFactor:n,cameraPosition:r,cameraDir:o,isParallel:a,rendererPixelDims:i}=t;let s=1;if(a)s=n;else{const t=[...e];Ga.subtract(t,r,t),s=Ga.dot(t,o)*n}return s/i[1]}function _P(e,t){t.viewId||(t.viewId="view-"+NP++),t.classHierarchy.push("vtkWidgetManager");const n=new WeakMap,r=[];function o(e){return e&&(e.isA("vtkAbstractWidget")?e:e.getWidgetForView({viewId:t.viewId}))}function a(){const{_apiSpecificRenderWindow:e,_camera:n,_renderer:r}=t;if(r&&e&&n){const[o,a]=e.getSize(),[i,s,l,c]=r.getViewport(),u=e.getComputedDevicePixelRatio(),d=[o*(l-i)/u,a*(c-s)/u],p=n.getPosition(),f=n.getDirectionOfProjection(),g=n.getParallelProjection(),m=g?2*n.getParallelScale():2*Math.tan(Ga.radiansFromDegrees(n.getViewAngle())/2);t.widgets.forEach((e=>{e.getNestedProps().forEach((e=>{e.getScaleInPixels()&&e.setDisplayScaleParams({dispHeightFactor:m,cameraPosition:p,cameraDir:f,isParallel:g,rendererPixelDims:d})}))}))}}async function i(n,r,o){const{position:a}=n,{requestCount:i,selectedState:s,representation:l,widget:c}=await e.getSelectedDataForXY(a.x,a.y);if(i||o!==t._currentUpdateSelectionCallID)return;function u(e){r&&t._interactor.invokeLeftButtonRelease(n),e.activateHandle({selectedState:s,representation:l}),r&&t._interactor.invokeLeftButtonPress(n)}t._apiSpecificRenderWindow.setCursor(c?"pointer":"default"),t.activeWidget=null;let d=!1;if(t.widgetInFocus===c&&c.hasFocus())u(c),t.activeWidget=c,d=!0;else for(let e=0;e1&&void 0!==arguments[1]&&arguments[1];if(!t.isAnimating&&t.pickingEnabled&&e.pokedRenderer===t._renderer){const r=Symbol("UpdateSelection");t._currentUpdateSelectionCallID=r,await i(e,n,r)}};function l(e){e.updateRepresentationForRender(t.renderingType)}function c(){t.renderingType=DP.FRONT_BUFFER,t.widgets.forEach(l)}async function u(e,n,r,o){t._captureInProgress?await t._captureInProgress:(t.renderingType=DP.PICKING_BUFFER,t.widgets.forEach(l),t._capturedBuffers=null,t._captureInProgress=t._selector.getSourceDataAsync(t._renderer,e,n,r,o),t._capturedBuffers=await t._captureInProgress,t._captureInProgress=null,t.previousSelectedData=null,c())}function d(e){t._renderer.removeActor(e),e.delete()}function p(){t._renderer.getRenderWindow().getInteractor().render(),e.renderWidgets()}e.enablePicking=()=>{t.pickingEnabled=!0,e.renderWidgets()},e.renderWidgets=()=>{if(t.pickingEnabled&&t.captureOn===LP.MOUSE_RELEASE){const[e,n]=t._apiSpecificRenderWindow.getSize();u(0,0,e,n)}c(),e.modified()},e.disablePicking=()=>{t.pickingEnabled=!1},e.setRenderer=n=>{const 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r=a[Math.floor(e/2)];t.bounds[e]=(n[e]-r)*t.placeFactor+r}Fi.setBounds(r,t.bounds),e.invokeBoundsChange(t.bounds),e.modified()}}}const LI={bounds:[-1,1,-1,1,-1,1],placeFactor:1};var BI={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,LI,n),jt.setGetArray(e,t,["bounds"],6),jt.get(e,t,["placeFactor"]),jt.event(e,t,"BoundsChange"),t.bounds=t.bounds.slice(),DI(e,t)}};const NI={color:.5};var kI={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,NI,n),jt.setGet(e,t,["color"])}};const FI={color3:[255,255,255],opacity:255};var _I={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,FI,n),jt.setGetArray(e,t,["color3"],3,255),jt.setGet(e,t,["opacity"])}};function GI(e,t){e.translate=(t,n,r)=>{const[o,a,i]=e.getCornerByReference();e.setCorner(o+t,a+n,i+r)}}const UI={corner:[0,0,0]};var zI={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,UI,n),jt.setGetArray(e,t,["corner"],3),GI(e)}};function WI(e,t){const n="degree"===t.angleUnit?Ff():_f();e.rotateFromDirections=(r,o)=>{n.identity().rotateFromDirections(r,o).apply(t.direction),e.modified()},e.rotate=(e,r)=>{n.identity().rotate(e,r).apply(t.direction)},e.rotateX=e=>{n.identity().rotateX(e).apply(t.direction)},e.rotateY=e=>{n.identity().rotateY(e).apply(t.direction)},e.rotateZ=e=>{n.identity().rotateZ(e).apply(t.direction)}}const HI={direction:[1,0,0]};var jI={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,HI,n),jt.setGetArray(e,t,["direction"],3),WI(e,t)}};function KI(e,t){e.updateManipulator=()=>{if(t.manipulator){const{origin:e,normal:n,direction:r}=t,{setHandleOrigin:o,setHandleCenter:a,setHandleNormal:i,setHandleDirection:s}=t.manipulator;e&&o?o(e):e&&a&&a(e),r&&s?s(r):r&&!n&&i?i(r):n&&s&&s(n)}}}const $I={manipulator:null};var qI={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,$I,n),jt.setGet(e,t,["manipulator"]),KI(e,t)}};const XI={name:""};var YI={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,XI,n),jt.setGet(e,t,["name"])}};function ZI(e,t){return 3===e.length&&3===t.length&&e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]}function QI(e,t){const n={o:[],p1:[],p2:[]};e.normalize=()=>{Xo(t.up),Xo(t.right),Xo(t.direction),e.modified()},e.updateFromOriginRightUp=(r,o,a)=>{(function(e,t,n,r){return ZI(e,r.o)&&ZI(t,r.p1)&&ZI(n,r.p2)})(r,o,a,n)||(n.o=r.slice(),n.p1=o.slice(),n.p2=a.slice(),t.up=[a[0]-r[0],a[1]-r[1],a[2]-r[2]],t.right=[o[0]-r[0],o[1]-r[1],o[2]-r[2]],$o(t.up,t.right,t.direction),$o(t.direction,t.up,t.right),e.normalize(),e.modified())}}const JI={up:[0,1,0],right:[1,0,0],direction:[0,0,1]};var ew={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,JI,n),jt.setGetArray(e,t,["up","right","direction"],3),QI(e,t)}};function tw(e,t){const n={...e};e.translate=(t,n,r)=>{const[o,a,i]=e.getOriginByReference();e.setOrigin(o+t,a+n,i+r)},e.getOrigin=e=>{const r=n.getOrigin();if(!t.offset)return r;if(!e)return Ga.add(r,t.offset,r);const o=FP(r,e),{rendererPixelDims:a}=e,i=Math.min(a[0],a[1]);return Ga.multiplyAccumulate(r,t.offset,i*o,r)}}const nw={origin:null,offset:null};var rw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,nw,n),jt.setGetArray(e,t,["origin","offset"],3),tw(e,t)}};const ow={scale1:.5};var aw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ow,n),jt.setGet(e,t,["scale1"])}};const iw={scale3:[1,1,1]};var sw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,iw,n),jt.setGetArray(e,t,["scale3"],3)}};const lw={text:"DefaultText"};var cw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,lw,n),jt.setGet(e,t,["text"])}};const uw={visible:!0};var dw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uw,n),jt.setGet(e,t,["visible"]),e.isVisible=e.getVisible}};const pw={shape:""};var fw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,pw,n),jt.setGet(e,t,["shape"])}};const{vtkErrorMacro:gw}=jt,mw={bounds:BI,color:kI,color3:_I,corner:zI,direction:jI,manipulator:qI,name:YI,orientation:ew,origin:rw,scale1:aw,scale3:sw,text:cw,visible:dw,shape:fw};function hw(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{},o=arguments.length>4&&void 0!==arguments[4]&&arguments[4];o||EI(n,r,t);for(let o=0;o{const r=hw(n,{...o,...e});return this.publicAPI.bindState(r,t),this.model[a].push(r),this.publicAPI.modified(),r},this.publicAPI[`remove${jt.capitalize(r)}`]=e=>{let t=this.model[a].indexOf(e);-1===t&&ethis.model[a].slice(),this.publicAPI[`clear${jt.capitalize(r)}List`]=()=>{for(;this.model[a].length;){const e=this.model[a].pop();e&&this.publicAPI.unbindState(e)}this.publicAPI.modified()},this}addStateFromMixin(e){let{labels:t,mixins:n,name:r,initialValues:o}=e;const a=hw(n,o);return this.model[r]=a,this.publicAPI.bindState(a,t),jt.setGet(this.publicAPI,this.model,[r]),this}addStateFromInstance(e){let{labels:t,name:n,instance:r}=e;return this.model[n]=r,this.publicAPI.bindState(r,t),jt.setGet(this.publicAPI,this.model,[n]),this}addField(e){let{name:t,initialValue:n}=e;return Array.isArray(n)?jt.setGetArray(this.publicAPI,this.model,[t],n.length):jt.setGet(this.publicAPI,this.model,[t]),this.model[t]=n,this}build(){for(var e=arguments.length,t=new Array(e),n=0;n0&&void 0!==arguments[0]?arguments[0]:vI;const t=yw().addField({name:"center",initialValue:[0,0,0]}).addField({name:"image",initialValue:null}).addField({name:"activeViewType",initialValue:null}).addField({name:"planes",initialValue:e.reduce(((e,t)=>({...e,[bI[t]]:{normal:bw[t].normal,viewUp:bw[t].viewUp}})),{})}).addField({name:"scrollingMethod",initialValue:uI}).addField({name:"cameraOffsets",initialValue:{}}).addField({name:"viewUpFromViewType",initialValue:{}}).addStateFromMixin({labels:["handles","sphere","center"],mixins:["origin","color3","scale1","visible","manipulator"],name:"centerHandle",initialValues:{scale1:30,color3:[255,255,255]}});return e.reduce(((t,n)=>e.filter((e=>e!==n)).reduce(((e,t)=>{e.addStateFromMixin({labels:["handles","line",`lineIn${n}`,`${t}in${n}`],mixins:["origin","color3","scale3","orientation","visible","manipulator"],name:`axis${t}in${n}`,initialValues:{scale3:[4,4,4],color3:xw[t]}});for(let r=0;r<2;++r)e.addStateFromMixin({labels:["handles","sphere","rotation",`rotationIn${n}`,`${t}in${n}`,`point${r}`],mixins:["origin","color3","scale1","visible","manipulator"],name:`rotationHandle${t}in${n}${r}`,initialValues:{scale1:30,color3:xw[t]}});return e}),t)),t),t.build()}const{vtkErrorMacro:Cw}=jt;function Sw(e,t){t.classHierarchy.push("vtkResliceCursorWidget"),t.methodsToLink=["scaleInPixels"],e.getRepresentationsForViewType=e=>{switch(e){case PP.XY_PLANE:case PP.XZ_PLANE:case PP.YZ_PLANE:return[{builder:iI,labels:[`lineIn${yI[e]}`],initialValues:{useActiveColor:!1,scaleInPixels:t.scaleInPixels}},{builder:cI,labels:[`rotationIn${yI[e]}`],initialValues:{useActiveColor:!1,scaleInPixels:t.scaleInPixels,lighting:!1}},{builder:cI,labels:["center"],initialValues:{useActiveColor:!1,scaleInPixels:t.scaleInPixels,lighting:!1}}];case PP.DEFAULT:case PP.GEOMETRY:case PP.SLICE:case PP.VOLUME:default:return[]}},e.setImage=e=>{t.widgetState.setImage(e);const n=e.getCenter();t.widgetState.setCenter(n),II(t.widgetState,t.scaleInPixels,t.rotationHandlePosition)},e.setCenter=n=>{t.widgetState.setCenter(n),II(t.widgetState,t.scaleInPixels,t.rotationHandlePosition),e.modified()},e.updateCameraPoints=(n,r,o,a,i)=>{e.resetCamera(n,r,o,a),i&&function(e,n){const r=n.getActiveCamera().getFocalPoint(),o=t.widgetState.getCenter(),a=n.getRenderWindow().getViews()[0].getViewportSize(n),i=a[0]/a[1],s=zo(n.worldToNormalizedDisplay(...r,i),n.worldToNormalizedDisplay(...o,i),[0,0,0]),l=t.widgetState.getCameraOffsets();l[e]=s,t.widgetState.setCameraOffsets(l)}(r,n)},e.resetCamera=(n,r,o,a)=>{const i=t.widgetState.getImage().getCenter(),s=n.getActiveCamera().getFocalPoint(),l=n.getActiveCamera().getPosition(),c=Math.sqrt(Zo(l,s)),u=e.getPlaneNormalFromViewType(r),d=o?i:s,p=jo(d,u,c,[0,0,0]);n.getActiveCamera().setFocalPoint(...d),n.getActiveCamera().setPosition(...p),n.getActiveCamera().setViewUp(t.widgetState.getPlanes()[r].viewUp),function(e,n,r,o,a){const i=e.getActiveCamera().getFocalPoint(),s=e.getActiveCamera().getDistance(),l=jo(i,n,s,[0,0,0]);let c=i;if(o&&(c=ei.intersectWithLine(i,l,t.widgetState.getCenter(),n).x),a){const o=t.widgetState.getCenter(),a=e.getRenderWindow().getViews()[0].getViewportSize(e),i=a[0]/a[1],s=Uo(e.worldToNormalizedDisplay(...o,i),t.widgetState.getCameraOffsets()[r],[0,0,0]),u=e.normalizedDisplayToWorld(...s,i),d=ei.intersectWithLine(u,l,o,n);c[0]=d.x[0],c[1]=d.x[1],c[2]=d.x[2]}e.getActiveCamera().setFocalPoint(c[0],c[1],c[2]);const u=jo(c,n,s,[0,0,0]);e.getActiveCamera().setPosition(u[0],u[1],u[2]);const d=t.widgetState.getImage().getBounds();o&&e.resetCamera(d),e.resetCameraClippingRange(d)}(n,u,r,o,a)},e.getPlaneSource=n=>{const r=function(n){const r=t.widgetState.getImage().getBounds(),o=e.getWidgetState().getCenter(),a=t.widgetState.getImage().getCenter(),i=[];for(let e=0;e<3;e++)i[e]=-Math.abs(o[e]-a[e]),i[e]*=2;const s=ZP.newInstance();return n===PP.XZ_PLANE?(s.setOrigin(r[0]+i[0],o[1],r[4]+i[2]),s.setPoint1(r[1]-i[0],o[1],r[4]+i[2]),s.setPoint2(r[0]+i[0],o[1],r[5]-i[2])):n===PP.XY_PLANE?(s.setOrigin(r[0]+i[0],r[2]+i[1],o[2]),s.setPoint1(r[1]-i[0],r[2]+i[1],o[2]),s.setPoint2(r[0]+i[0],r[3]-i[1],o[2])):n===PP.YZ_PLANE&&(s.setOrigin(o[0],r[2]+i[1],r[4]+i[2]),s.setPoint1(o[0],r[3]-i[1],r[4]+i[2]),s.setPoint2(o[0],r[2]+i[1],r[5]-i[2])),s}(n),{normal:o,viewUp:a}=t.widgetState.getPlanes()[n];!function(e,t,n,r){e.setNormal(n);const o=Qo(zo(e.getPoint2(),e.getOrigin(),[]),r,n);e.rotate(o,n),e.setCenter(t)}(r,t.widgetState.getCenter(),o,a);const i=[...r.getOrigin()],s=[...r.getPoint1()],l=[...r.getPoint2()];return function(e,t,n,r){const o=[];zo(n,t,o),Xo(o);const a=[];zo(r,t,a),Xo(a);const i=[0,0,1];$o(o,a,i),Xo(i);const s=[...e],l=[...i];Wo(l,1e-6),Fi.addBounds(s,e[0]+l[0],e[1]+l[0],e[2]+l[1],e[3]+l[1],e[4]+l[2],e[5]+l[2]),Fi.addBounds(s,e[0]-l[0],e[1]-l[0],e[2]-l[1],e[3]-l[1],e[4]-l[2],e[5]-l[2]);const c=ei.newInstance();c.setOrigin(...t),c.setNormal(...i);const u=jf.newInstance();u.setBounds(s);const d=Lf.newInstance();d.setCutFunction(c),d.setInputConnection(u.getOutputPort());const p=d.getOutputData();if(0===p.getNumberOfPoints())return!1;const f=Ni.computeLocalBounds(p.getPoints(),o,a,i);for(let e=0;e<3;e+=1)t[e]=f[0]*o[e]+f[2]*a[e]+f[4]*i[e],n[e]=f[1]*o[e]+f[2]*a[e]+f[4]*i[e],r[e]=f[0]*o[e]+f[3]*a[e]+f[4]*i[e]}(t.widgetState.getImage().getBounds(),i,s,l),r.setOrigin(...i),r.setPoint1(...s),r.setPoint2(...l),r},e.getResliceAxes=n=>{const r=e.getPlaneSource(n),{normal:o}=t.widgetState.getPlanes()[n],a=r.getOrigin(),i=[];zo(r.getPoint1(),a,i),Xo(i);const s=[];zo(r.getPoint2(),a,s),Xo(s);const l=g(new Float64Array(16));for(let e=0;e<3;e++)l[e]=i[e],l[4+e]=s[e],l[8+e]=o[e],l[12+e]=a[e];return l},e.updateReslicePlane=(n,r)=>{const o=t.widgetState.getImage().getSpacing(),a=e.getPlaneSource(r),i=e.getResliceAxes(r),s=a.getOrigin(),l=zo(a.getPoint1(),s,[]),c=Xo(l),u=zo(a.getPoint2(),s,[]),d=Xo(u),p=Math.abs(l[0]*o[0])+Math.abs(l[1]*o[1])+Math.abs(l[2]*o[2]),f=Math.abs(u[0]*o[0])+Math.abs(u[1]*o[1])+Math.abs(u[2]*o[2]);let g=0,m=0;const h=0===p?Number.MAX_SAFE_INTEGER:c/p,v=1073741823;if(h>v)Cw("Invalid X extent: ",h," on view type : ",r),g=0;else for(g=1;gv)Cw("Invalid Y extent:",y," on view type : ",r),m=0;else for(m=1;m{const n=ZP.newInstance(),r=e.getWidgetState().getCenter(),o=e.getPlaneNormalFromViewType(t);return n.setNormal(o),n.setOrigin(r),n},e.getPlaneNormalFromViewType=t=>e.getWidgetState().getPlanes()[t].normal,e.getOtherPlaneNormals=t=>[PP.YZ_PLANE,PP.XZ_PLANE,PP.XY_PLANE].filter((e=>e!==t)).map((t=>e.getPlaneNormalFromViewType(t))),e.getResliceMatrix=()=>{const t=g(new Float64Array(16));for(let 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0!==arguments[2]?arguments[2]:{};Object.assign(t,Pw(n)),KP.extend(e,t,n),jt.setGet(e,t,["scaleInPixels","rotationHandlePosition","manipulator"]),Sw(e,t)}var Iw={newInstance:jt.newInstance(Aw,"vtkResliceCursorWidget"),extend:Aw},ww=Uint8Array,Ow=Uint16Array,Mw=Uint32Array,Rw=new ww([0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0,0]),Vw=new ww([0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,0,0]),Ew=new ww([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]),Dw=function(e,t){for(var n=new Ow(31),r=0;r<31;++r)n[r]=t+=1<>>1|(21845&Gw)<<1;Uw=(61680&(Uw=(52428&Uw)>>>2|(13107&Uw)<<2))>>>4|(3855&Uw)<<4,_w[Gw]=((65280&Uw)>>>8|(255&Uw)<<8)>>>1}var zw=function(e,t,n){for(var r=e.length,o=0,a=new Ow(t);o>>l]=c}else for(i=new Ow(r),o=0;o>>15-e[o]);return i},Ww=new ww(288);for(Gw=0;Gw<144;++Gw)Ww[Gw]=8;for(Gw=144;Gw<256;++Gw)Ww[Gw]=9;for(Gw=256;Gw<280;++Gw)Ww[Gw]=7;for(Gw=280;Gw<288;++Gw)Ww[Gw]=8;var Hw=new ww(32);for(Gw=0;Gw<32;++Gw)Hw[Gw]=5;var 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ye},transpose:function(){return fe}}),n(334);var a=1e-6,i="undefined"!=typeof Float32Array?Float32Array:Array;Math.random;var s=Math.PI/180;function l(e){return e*s}function c(){var e=new i(16);return i!=Float32Array&&(e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0),e[0]=1,e[5]=1,e[10]=1,e[15]=1,e}function u(e){var t=new i(16);return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3],t[4]=e[4],t[5]=e[5],t[6]=e[6],t[7]=e[7],t[8]=e[8],t[9]=e[9],t[10]=e[10],t[11]=e[11],t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15],t}function d(e,t){return e[0]=t[0],e[1]=t[1],e[2]=t[2],e[3]=t[3],e[4]=t[4],e[5]=t[5],e[6]=t[6],e[7]=t[7],e[8]=t[8],e[9]=t[9],e[10]=t[10],e[11]=t[11],e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15],e}function p(e,t,n,r,o,a,s,l,c,u,d,p,f,g,m,h){var v=new i(16);return v[0]=e,v[1]=t,v[2]=n,v[3]=r,v[4]=o,v[5]=a,v[6]=s,v[7]=l,v[8]=c,v[9]=u,v[10]=d,v[11]=p,v[12]=f,v[13]=g,v[14]=m,v[15]=h,v}function f(e,t,n,r,o,a,i,s,l,c,u,d,p,f,g,m,h){return e[0]=t,e[1]=n,e[2]=r,e[3]=o,e[4]=a,e[5]=i,e[6]=s,e[7]=l,e[8]=c,e[9]=u,e[10]=d,e[11]=p,e[12]=f,e[13]=g,e[14]=m,e[15]=h,e}function g(e){return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e}function m(e,t){if(e===t){var n=t[1],r=t[2],o=t[3],a=t[6],i=t[7],s=t[11];e[1]=t[4],e[2]=t[8],e[3]=t[12],e[4]=n,e[6]=t[9],e[7]=t[13],e[8]=r,e[9]=a,e[11]=t[14],e[12]=o,e[13]=i,e[14]=s}else e[0]=t[0],e[1]=t[4],e[2]=t[8],e[3]=t[12],e[4]=t[1],e[5]=t[5],e[6]=t[9],e[7]=t[13],e[8]=t[2],e[9]=t[6],e[10]=t[10],e[11]=t[14],e[12]=t[3],e[13]=t[7],e[14]=t[11],e[15]=t[15];return e}function h(e,t){var n=t[0],r=t[1],o=t[2],a=t[3],i=t[4],s=t[5],l=t[6],c=t[7],u=t[8],d=t[9],p=t[10],f=t[11],g=t[12],m=t[13],h=t[14],v=t[15],y=n*s-r*i,b=n*l-o*i,x=n*c-a*i,T=r*l-o*s,C=r*c-a*s,S=o*c-a*l,P=u*m-d*g,A=u*h-p*g,I=u*v-f*g,w=d*h-p*m,O=d*v-f*m,M=p*v-f*h,R=y*M-b*O+x*w+T*I-C*A+S*P;return R?(R=1/R,e[0]=(s*M-l*O+c*w)*R,e[1]=(o*O-r*M-a*w)*R,e[2]=(m*S-h*C+v*T)*R,e[3]=(p*C-d*S-f*T)*R,e[4]=(l*I-i*M-c*A)*R,e[5]=(n*M-o*I+a*A)*R,e[6]=(h*x-g*S-v*b)*R,e[7]=(u*S-p*x+f*b)*R,e[8]=(i*O-s*I+c*P)*R,e[9]=(r*I-n*O-a*P)*R,e[10]=(g*C-m*x+v*y)*R,e[11]=(d*x-u*C-f*y)*R,e[12]=(s*A-i*w-l*P)*R,e[13]=(n*w-r*A+o*P)*R,e[14]=(m*b-g*T-h*y)*R,e[15]=(u*T-d*b+p*y)*R,e):null}function v(e,t){var n=t[0],r=t[1],o=t[2],a=t[3],i=t[4],s=t[5],l=t[6],c=t[7],u=t[8],d=t[9],p=t[10],f=t[11],g=t[12],m=t[13],h=t[14],v=t[15];return e[0]=s*(p*v-f*h)-d*(l*v-c*h)+m*(l*f-c*p),e[1]=-(r*(p*v-f*h)-d*(o*v-a*h)+m*(o*f-a*p)),e[2]=r*(l*v-c*h)-s*(o*v-a*h)+m*(o*c-a*l),e[3]=-(r*(l*f-c*p)-s*(o*f-a*p)+d*(o*c-a*l)),e[4]=-(i*(p*v-f*h)-u*(l*v-c*h)+g*(l*f-c*p)),e[5]=n*(p*v-f*h)-u*(o*v-a*h)+g*(o*f-a*p),e[6]=-(n*(l*v-c*h)-i*(o*v-a*h)+g*(o*c-a*l)),e[7]=n*(l*f-c*p)-i*(o*f-a*p)+u*(o*c-a*l),e[8]=i*(d*v-f*m)-u*(s*v-c*m)+g*(s*f-c*d),e[9]=-(n*(d*v-f*m)-u*(r*v-a*m)+g*(r*f-a*d)),e[10]=n*(s*v-c*m)-i*(r*v-a*m)+g*(r*c-a*s),e[11]=-(n*(s*f-c*d)-i*(r*f-a*d)+u*(r*c-a*s)),e[12]=-(i*(d*h-p*m)-u*(s*h-l*m)+g*(s*p-l*d)),e[13]=n*(d*h-p*m)-u*(r*h-o*m)+g*(r*p-o*d),e[14]=-(n*(s*h-l*m)-i*(r*h-o*m)+g*(r*l-o*s)),e[15]=n*(s*p-l*d)-i*(r*p-o*d)+u*(r*l-o*s),e}function y(e){var t=e[0],n=e[1],r=e[2],o=e[3],a=e[4],i=e[5],s=e[6],l=e[7],c=e[8],u=e[9],d=e[10],p=e[11],f=e[12],g=e[13],m=e[14],h=e[15];return(t*i-n*a)*(d*h-p*m)-(t*s-r*a)*(u*h-p*g)+(t*l-o*a)*(u*m-d*g)+(n*s-r*i)*(c*h-p*f)-(n*l-o*i)*(c*m-d*f)+(r*l-o*s)*(c*g-u*f)}function b(e,t,n){var r=t[0],o=t[1],a=t[2],i=t[3],s=t[4],l=t[5],c=t[6],u=t[7],d=t[8],p=t[9],f=t[10],g=t[11],m=t[12],h=t[13],v=t[14],y=t[15],b=n[0],x=n[1],T=n[2],C=n[3];return e[0]=b*r+x*s+T*d+C*m,e[1]=b*o+x*l+T*p+C*h,e[2]=b*a+x*c+T*f+C*v,e[3]=b*i+x*u+T*g+C*y,b=n[4],x=n[5],T=n[6],C=n[7],e[4]=b*r+x*s+T*d+C*m,e[5]=b*o+x*l+T*p+C*h,e[6]=b*a+x*c+T*f+C*v,e[7]=b*i+x*u+T*g+C*y,b=n[8],x=n[9],T=n[10],C=n[11],e[8]=b*r+x*s+T*d+C*m,e[9]=b*o+x*l+T*p+C*h,e[10]=b*a+x*c+T*f+C*v,e[11]=b*i+x*u+T*g+C*y,b=n[12],x=n[13],T=n[14],C=n[15],e[12]=b*r+x*s+T*d+C*m,e[13]=b*o+x*l+T*p+C*h,e[14]=b*a+x*c+T*f+C*v,e[15]=b*i+x*u+T*g+C*y,e}function x(e,t,n){var r,o,a,i,s,l,c,u,d,p,f,g,m=n[0],h=n[1],v=n[2];return t===e?(e[12]=t[0]*m+t[4]*h+t[8]*v+t[12],e[13]=t[1]*m+t[5]*h+t[9]*v+t[13],e[14]=t[2]*m+t[6]*h+t[10]*v+t[14],e[15]=t[3]*m+t[7]*h+t[11]*v+t[15]):(r=t[0],o=t[1],a=t[2],i=t[3],s=t[4],l=t[5],c=t[6],u=t[7],d=t[8],p=t[9],f=t[10],g=t[11],e[0]=r,e[1]=o,e[2]=a,e[3]=i,e[4]=s,e[5]=l,e[6]=c,e[7]=u,e[8]=d,e[9]=p,e[10]=f,e[11]=g,e[12]=r*m+s*h+d*v+t[12],e[13]=o*m+l*h+p*v+t[13],e[14]=a*m+c*h+f*v+t[14],e[15]=i*m+u*h+g*v+t[15]),e}function T(e,t,n){var r=n[0],o=n[1],a=n[2];return e[0]=t[0]*r,e[1]=t[1]*r,e[2]=t[2]*r,e[3]=t[3]*r,e[4]=t[4]*o,e[5]=t[5]*o,e[6]=t[6]*o,e[7]=t[7]*o,e[8]=t[8]*a,e[9]=t[9]*a,e[10]=t[10]*a,e[11]=t[11]*a,e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15],e}function C(e,t,n,r){var o,i,s,l,c,u,d,p,f,g,m,h,v,y,b,x,T,C,S,P,A,I,w,O,M=r[0],R=r[1],V=r[2],E=Math.hypot(M,R,V);return E0?(n[0]=2*(l*s+d*r+c*a-u*o)/p,n[1]=2*(c*s+d*o+u*r-l*a)/p,n[2]=2*(u*s+d*a+l*o-c*r)/p):(n[0]=2*(l*s+d*r+c*a-u*o),n[1]=2*(c*s+d*o+u*r-l*a),n[2]=2*(u*s+d*a+l*o-c*r)),E(e,t,n),e}function L(e,t){return e[0]=t[12],e[1]=t[13],e[2]=t[14],e}function B(e,t){var n=t[0],r=t[1],o=t[2],a=t[4],i=t[5],s=t[6],l=t[8],c=t[9],u=t[10];return e[0]=Math.hypot(n,r,o),e[1]=Math.hypot(a,i,s),e[2]=Math.hypot(l,c,u),e}function N(e,t){var n=new i(3);B(n,t);var r=1/n[0],o=1/n[1],a=1/n[2],s=t[0]*r,l=t[1]*o,c=t[2]*a,u=t[4]*r,d=t[5]*o,p=t[6]*a,f=t[8]*r,g=t[9]*o,m=t[10]*a,h=s+d+m,v=0;return h>0?(v=2*Math.sqrt(h+1),e[3]=.25*v,e[0]=(p-g)/v,e[1]=(f-c)/v,e[2]=(l-u)/v):s>d&&s>m?(v=2*Math.sqrt(1+s-d-m),e[3]=(p-g)/v,e[0]=.25*v,e[1]=(l+u)/v,e[2]=(f+c)/v):d>m?(v=2*Math.sqrt(1+d-s-m),e[3]=(f-c)/v,e[0]=(l+u)/v,e[1]=.25*v,e[2]=(p+g)/v):(v=2*Math.sqrt(1+m-s-d),e[3]=(l-u)/v,e[0]=(f+c)/v,e[1]=(p+g)/v,e[2]=.25*v),e}function k(e,t,n,r){var o=t[0],a=t[1],i=t[2],s=t[3],l=o+o,c=a+a,u=i+i,d=o*l,p=o*c,f=o*u,g=a*c,m=a*u,h=i*u,v=s*l,y=s*c,b=s*u,x=r[0],T=r[1],C=r[2];return e[0]=(1-(g+h))*x,e[1]=(p+b)*x,e[2]=(f-y)*x,e[3]=0,e[4]=(p-b)*T,e[5]=(1-(d+h))*T,e[6]=(m+v)*T,e[7]=0,e[8]=(f+y)*C,e[9]=(m-v)*C,e[10]=(1-(d+g))*C,e[11]=0,e[12]=n[0],e[13]=n[1],e[14]=n[2],e[15]=1,e}function F(e,t,n,r,o){var a=t[0],i=t[1],s=t[2],l=t[3],c=a+a,u=i+i,d=s+s,p=a*c,f=a*u,g=a*d,m=i*u,h=i*d,v=s*d,y=l*c,b=l*u,x=l*d,T=r[0],C=r[1],S=r[2],P=o[0],A=o[1],I=o[2],w=(1-(m+v))*T,O=(f+x)*T,M=(g-b)*T,R=(f-x)*C,V=(1-(p+v))*C,E=(h+y)*C,D=(g+b)*S,L=(h-y)*S,B=(1-(p+m))*S;return e[0]=w,e[1]=O,e[2]=M,e[3]=0,e[4]=R,e[5]=V,e[6]=E,e[7]=0,e[8]=D,e[9]=L,e[10]=B,e[11]=0,e[12]=n[0]+P-(w*P+R*A+D*I),e[13]=n[1]+A-(O*P+V*A+L*I),e[14]=n[2]+I-(M*P+E*A+B*I),e[15]=1,e}function _(e,t){var n=t[0],r=t[1],o=t[2],a=t[3],i=n+n,s=r+r,l=o+o,c=n*i,u=r*i,d=r*s,p=o*i,f=o*s,g=o*l,m=a*i,h=a*s,v=a*l;return e[0]=1-d-g,e[1]=u+v,e[2]=p-h,e[3]=0,e[4]=u-v,e[5]=1-c-g,e[6]=f+m,e[7]=0,e[8]=p+h,e[9]=f-m,e[10]=1-c-d,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e}function G(e,t,n,r,o,a,i){var s=1/(n-t),l=1/(o-r),c=1/(a-i);return e[0]=2*a*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=2*a*l,e[6]=0,e[7]=0,e[8]=(n+t)*s,e[9]=(o+r)*l,e[10]=(i+a)*c,e[11]=-1,e[12]=0,e[13]=0,e[14]=i*a*2*c,e[15]=0,e}function U(e,t,n,r,o){var a,i=1/Math.tan(t/2);return e[0]=i/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=i,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(a=1/(r-o),e[10]=(o+r)*a,e[14]=2*o*r*a):(e[10]=-1,e[14]=-2*r),e}Math.hypot||(Math.hypot=function(){for(var e=0,t=arguments.length;t--;)e+=arguments[t]*arguments[t];return Math.sqrt(e)});var z=U;function W(e,t,n,r,o){var a,i=1/Math.tan(t/2);return e[0]=i/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=i,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(a=1/(r-o),e[10]=o*a,e[14]=o*r*a):(e[10]=-1,e[14]=-r),e}function H(e,t,n,r){var o=Math.tan(t.upDegrees*Math.PI/180),a=Math.tan(t.downDegrees*Math.PI/180),i=Math.tan(t.leftDegrees*Math.PI/180),s=Math.tan(t.rightDegrees*Math.PI/180),l=2/(i+s),c=2/(o+a);return e[0]=l,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=c,e[6]=0,e[7]=0,e[8]=-(i-s)*l*.5,e[9]=(o-a)*c*.5,e[10]=r/(n-r),e[11]=-1,e[12]=0,e[13]=0,e[14]=r*n/(n-r),e[15]=0,e}function j(e,t,n,r,o,a,i){var s=1/(t-n),l=1/(r-o),c=1/(a-i);return e[0]=-2*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*l,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=2*c,e[11]=0,e[12]=(t+n)*s,e[13]=(o+r)*l,e[14]=(i+a)*c,e[15]=1,e}var K=j;function $(e,t,n,r,o,a,i){var s=1/(t-n),l=1/(r-o),c=1/(a-i);return e[0]=-2*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*l,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=c,e[11]=0,e[12]=(t+n)*s,e[13]=(o+r)*l,e[14]=a*c,e[15]=1,e}function q(e,t,n,r){var o,i,s,l,c,u,d,p,f,m,h=t[0],v=t[1],y=t[2],b=r[0],x=r[1],T=r[2],C=n[0],S=n[1],P=n[2];return Math.abs(h-C)0&&(u*=f=1/Math.sqrt(f),d*=f,p*=f);var g=l*p-c*d,m=c*u-s*p,h=s*d-l*u;return(f=g*g+m*m+h*h)>0&&(g*=f=1/Math.sqrt(f),m*=f,h*=f),e[0]=g,e[1]=m,e[2]=h,e[3]=0,e[4]=d*h-p*m,e[5]=p*g-u*h,e[6]=u*m-d*g,e[7]=0,e[8]=u,e[9]=d,e[10]=p,e[11]=0,e[12]=o,e[13]=a,e[14]=i,e[15]=1,e}function Y(e){return"mat4("+e[0]+", "+e[1]+", "+e[2]+", "+e[3]+", "+e[4]+", "+e[5]+", "+e[6]+", "+e[7]+", "+e[8]+", "+e[9]+", "+e[10]+", "+e[11]+", "+e[12]+", "+e[13]+", "+e[14]+", "+e[15]+")"}function Z(e){return Math.hypot(e[0],e[1],e[2],e[3],e[4],e[5],e[6],e[7],e[8],e[9],e[10],e[11],e[12],e[13],e[14],e[15])}function Q(e,t,n){return e[0]=t[0]+n[0],e[1]=t[1]+n[1],e[2]=t[2]+n[2],e[3]=t[3]+n[3],e[4]=t[4]+n[4],e[5]=t[5]+n[5],e[6]=t[6]+n[6],e[7]=t[7]+n[7],e[8]=t[8]+n[8],e[9]=t[9]+n[9],e[10]=t[10]+n[10],e[11]=t[11]+n[11],e[12]=t[12]+n[12],e[13]=t[13]+n[13],e[14]=t[14]+n[14],e[15]=t[15]+n[15],e}function J(e,t,n){return e[0]=t[0]-n[0],e[1]=t[1]-n[1],e[2]=t[2]-n[2],e[3]=t[3]-n[3],e[4]=t[4]-n[4],e[5]=t[5]-n[5],e[6]=t[6]-n[6],e[7]=t[7]-n[7],e[8]=t[8]-n[8],e[9]=t[9]-n[9],e[10]=t[10]-n[10],e[11]=t[11]-n[11],e[12]=t[12]-n[12],e[13]=t[13]-n[13],e[14]=t[14]-n[14],e[15]=t[15]-n[15],e}function ee(e,t,n){return e[0]=t[0]*n,e[1]=t[1]*n,e[2]=t[2]*n,e[3]=t[3]*n,e[4]=t[4]*n,e[5]=t[5]*n,e[6]=t[6]*n,e[7]=t[7]*n,e[8]=t[8]*n,e[9]=t[9]*n,e[10]=t[10]*n,e[11]=t[11]*n,e[12]=t[12]*n,e[13]=t[13]*n,e[14]=t[14]*n,e[15]=t[15]*n,e}function te(e,t,n,r){return e[0]=t[0]+n[0]*r,e[1]=t[1]+n[1]*r,e[2]=t[2]+n[2]*r,e[3]=t[3]+n[3]*r,e[4]=t[4]+n[4]*r,e[5]=t[5]+n[5]*r,e[6]=t[6]+n[6]*r,e[7]=t[7]+n[7]*r,e[8]=t[8]+n[8]*r,e[9]=t[9]+n[9]*r,e[10]=t[10]+n[10]*r,e[11]=t[11]+n[11]*r,e[12]=t[12]+n[12]*r,e[13]=t[13]+n[13]*r,e[14]=t[14]+n[14]*r,e[15]=t[15]+n[15]*r,e}function ne(e,t){return e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]&&e[4]===t[4]&&e[5]===t[5]&&e[6]===t[6]&&e[7]===t[7]&&e[8]===t[8]&&e[9]===t[9]&&e[10]===t[10]&&e[11]===t[11]&&e[12]===t[12]&&e[13]===t[13]&&e[14]===t[14]&&e[15]===t[15]}function re(e,t){var n=e[0],r=e[1],o=e[2],i=e[3],s=e[4],l=e[5],c=e[6],u=e[7],d=e[8],p=e[9],f=e[10],g=e[11],m=e[12],h=e[13],v=e[14],y=e[15],b=t[0],x=t[1],T=t[2],C=t[3],S=t[4],P=t[5],A=t[6],I=t[7],w=t[8],O=t[9],M=t[10],R=t[11],V=t[12],E=t[13],D=t[14],L=t[15];return 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r=t[0],o=t[1],a=t[2],i=t[3],s=t[4],l=t[5],c=t[6],u=t[7],d=t[8],p=n[0],f=n[1];return e[0]=r,e[1]=o,e[2]=a,e[3]=i,e[4]=s,e[5]=l,e[6]=p*r+f*i+c,e[7]=p*o+f*s+u,e[8]=p*a+f*l+d,e}function be(e,t,n){var r=t[0],o=t[1],a=t[2],i=t[3],s=t[4],l=t[5],c=t[6],u=t[7],d=t[8],p=Math.sin(n),f=Math.cos(n);return e[0]=f*r+p*i,e[1]=f*o+p*s,e[2]=f*a+p*l,e[3]=f*i-p*r,e[4]=f*s-p*o,e[5]=f*l-p*a,e[6]=c,e[7]=u,e[8]=d,e}function xe(e,t,n){var r=n[0],o=n[1];return e[0]=r*t[0],e[1]=r*t[1],e[2]=r*t[2],e[3]=o*t[3],e[4]=o*t[4],e[5]=o*t[5],e[6]=t[6],e[7]=t[7],e[8]=t[8],e}function Te(e,t){return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=1,e[5]=0,e[6]=t[0],e[7]=t[1],e[8]=1,e}function Ce(e,t){var n=Math.sin(t),r=Math.cos(t);return e[0]=r,e[1]=n,e[2]=0,e[3]=-n,e[4]=r,e[5]=0,e[6]=0,e[7]=0,e[8]=1,e}function Se(e,t){return e[0]=t[0],e[1]=0,e[2]=0,e[3]=0,e[4]=t[1],e[5]=0,e[6]=0,e[7]=0,e[8]=1,e}function Pe(e,t){return e[0]=t[0],e[1]=t[1],e[2]=0,e[3]=t[2],e[4]=t[3],e[5]=0,e[6]=t[4],e[7]=t[5],e[8]=1,e}function Ae(e,t){var n=t[0],r=t[1],o=t[2],a=t[3],i=n+n,s=r+r,l=o+o,c=n*i,u=r*i,d=r*s,p=o*i,f=o*s,g=o*l,m=a*i,h=a*s,v=a*l;return e[0]=1-d-g,e[3]=u-v,e[6]=p+h,e[1]=u+v,e[4]=1-c-g,e[7]=f-m,e[2]=p-h,e[5]=f+m,e[8]=1-c-d,e}function Ie(e,t){var n=t[0],r=t[1],o=t[2],a=t[3],i=t[4],s=t[5],l=t[6],c=t[7],u=t[8],d=t[9],p=t[10],f=t[11],g=t[12],m=t[13],h=t[14],v=t[15],y=n*s-r*i,b=n*l-o*i,x=n*c-a*i,T=r*l-o*s,C=r*c-a*s,S=o*c-a*l,P=u*m-d*g,A=u*h-p*g,I=u*v-f*g,w=d*h-p*m,O=d*v-f*m,M=p*v-f*h,R=y*M-b*O+x*w+T*I-C*A+S*P;return R?(R=1/R,e[0]=(s*M-l*O+c*w)*R,e[1]=(l*I-i*M-c*A)*R,e[2]=(i*O-s*I+c*P)*R,e[3]=(o*O-r*M-a*w)*R,e[4]=(n*M-o*I+a*A)*R,e[5]=(r*I-n*O-a*P)*R,e[6]=(m*S-h*C+v*T)*R,e[7]=(h*x-g*S-v*b)*R,e[8]=(g*C-m*x+v*y)*R,e):null}function we(e,t,n){return e[0]=2/t,e[1]=0,e[2]=0,e[3]=0,e[4]=-2/n,e[5]=0,e[6]=-1,e[7]=1,e[8]=1,e}function Oe(e){return"mat3("+e[0]+", "+e[1]+", "+e[2]+", "+e[3]+", "+e[4]+", "+e[5]+", "+e[6]+", "+e[7]+", "+e[8]+")"}function Me(e){return Math.hypot(e[0],e[1],e[2],e[3],e[4],e[5],e[6],e[7],e[8])}function 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e[0]-=o[0],e[1]-=o[0],e[2]-=o[1],e[3]-=o[1],e[4]-=o[2],e[5]-=o[2],pi(e,t,n,r),e[0]+=o[0],e[1]+=o[0],e[2]+=o[1],e[3]+=o[1],e[4]+=o[2],e[5]+=o[2],!0},getCenter:fi,getLength:gi,getLengths:mi,getMaxLength:bi,getDiagonalLength:xi,getMinPoint:Ti,getMaxPoint:Ci,getXRange:hi,getYRange:vi,getZRange:yi,getCorners:Pi,computeCornerPoints:Ai,computeLocalBounds:Oi,transformBounds:Ii,computeScale3:wi,cutWithPlane:Li,intersectBox:Mi,intersectPlane:Ri,intersect:Vi,intersects:Ei,containsPoint:Di,contains:function(e,t){return!!Ei(e,t)&&!!Di(e,...Ti(t))&&!!Di(e,...Ci(t))},INIT_BOUNDS:ti};var ki,Fi={newInstance:function(e){const t=e&&e.bounds;return new Bi(t)},...Ni};function _i(e,t,n){return e[0]=t[0]-n[0],e[1]=t[1]-n[1],e[2]=t[2]-n[2],e[3]=t[3]-n[3],e}function Gi(e,t,n){var r=t[0],o=t[1],a=t[2],i=t[3];return e[0]=n[0]*r+n[4]*o+n[8]*a+n[12]*i,e[1]=n[1]*r+n[5]*o+n[9]*a+n[13]*i,e[2]=n[2]*r+n[6]*o+n[10]*a+n[14]*i,e[3]=n[3]*r+n[7]*o+n[11]*a+n[15]*i,e}function Ui(){var e=new i(4);return 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r=t.textures.filter((e=>e!==n));t.textures.length!==r.length&&(t.textures=r,e.modified())},e.removeAllTextures=()=>{t.textures=[],e.modified()},e.setCoordinateSystemToWorld=()=>e.setCoordinateSystem(Ki.WORLD),e.setCoordinateSystemToDisplay=()=>e.setCoordinateSystem(Ki.DISPLAY)}const Xi={allocatedRenderTime:10,coordinateSystem:Ki.WORLD,dragable:!0,estimatedRenderTime:0,paths:null,pickable:!0,renderTimeMultiplier:1,savedEstimatedRenderTime:0,textures:[],useBounds:!0,visibility:!0};function Yi(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Xi,n),jt.obj(e,t),jt.get(e,t,["estimatedRenderTime","allocatedRenderTime"]),jt.setGet(e,t,["_parentProp","coordinateSystem","dragable","pickable","renderTimeMultiplier","useBounds","visibility"]),jt.moveToProtected(e,t,["parentProp"]),qi(e,t)}var Zi={newInstance:jt.newInstance(Yi,"vtkProp"),extend:Yi,...ji};function Qi(e,t){t.classHierarchy.push("vtkProp3D"),e.addPosition=n=>{t.position=t.position.map(((e,t)=>e+n[t])),e.modified()},e.getOrientationWXYZ=()=>{const e=Ui();N(e,t.rotation);const n=new Float64Array(3),r=function(e,t){var n=2*Math.acos(t[3]),r=Math.sin(n/2);return r>a?(e[0]=t[0]/r,e[1]=t[1]/r,e[2]=t[2]/r):(e[0]=1,e[1]=0,e[2]=0),n}(n,e);return[Ro(r),n[0],n[1],n[2]]},e.rotateX=n=>{0!==n&&(S(t.rotation,t.rotation,Mo(n)),e.modified())},e.rotateY=n=>{0!==n&&(P(t.rotation,t.rotation,Mo(n)),e.modified())},e.rotateZ=n=>{0!==n&&(A(t.rotation,t.rotation,Mo(n)),e.modified())},e.rotateWXYZ=(n,r,o,a)=>{if(0===n||0===r&&0===o&&0===a)return;const i=Mo(n),s=Ui();zi(s,[r,o,a],i);const l=new 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ts={newInstance:jt.newInstance(es,"vtkProp3D"),extend:es};const ns={FLAT:0,GOURAUD:1,PHONG:2},rs={POINTS:0,WIREFRAME:1,SURFACE:2};var os={Shading:ns,Representation:rs,Interpolation:ns};const{Representation:as,Interpolation:is}=os;function ss(e){return()=>jt.vtkErrorMacro(`vtkProperty::${e} - NOT IMPLEMENTED`)}function ls(e,t){t.classHierarchy.push("vtkProperty"),e.setColor=(n,r,o)=>{Array.isArray(n)?t.color[0]===n[0]&&t.color[1]===n[1]&&t.color[2]===n[2]||(t.color[0]=n[0],t.color[1]=n[1],t.color[2]=n[2],e.modified()):t.color[0]===n&&t.color[1]===r&&t.color[2]===o||(t.color[0]=n,t.color[1]=r,t.color[2]=o,e.modified()),e.setDiffuseColor(t.color),e.setAmbientColor(t.color),e.setSpecularColor(t.color)},e.computeCompositeColor=ss("ComputeCompositeColor"),e.getColor=()=>{let e=0;t.ambient+t.diffuse+t.specular>0&&(e=1/(t.ambient+t.diffuse+t.specular));for(let n=0;n<3;n++)t.color[n]=e*(t.ambient*t.ambientColor[n]+t.diffuse*t.diffuseColor[n]+t.specular*t.specularColor[n]);return[].concat(t.color)},e.setSpecularPower=n=>{const r=1/Math.max(1,n);t.roughness===r&&t.specularPower===n||(t.specularPower=n,t.roughness=r,e.modified())},e.addShaderVariable=ss("AddShaderVariable"),e.setInterpolationToFlat=()=>e.setInterpolation(is.FLAT),e.setInterpolationToGouraud=()=>e.setInterpolation(is.GOURAUD),e.setInterpolationToPhong=()=>e.setInterpolation(is.PHONG),e.getInterpolationAsString=()=>jt.enumToString(is,t.interpolation),e.setRepresentationToWireframe=()=>e.setRepresentation(as.WIREFRAME),e.setRepresentationToSurface=()=>e.setRepresentation(as.SURFACE),e.setRepresentationToPoints=()=>e.setRepresentation(as.POINTS),e.getRepresentationAsString=()=>jt.enumToString(as,t.representation)}const cs={color:[1,1,1],ambientColor:[1,1,1],diffuseColor:[1,1,1],specularColor:[1,1,1],edgeColor:[0,0,0],ambient:0,diffuse:1,metallic:0,roughness:.6,normalStrength:1,emission:1,baseIOR:1.45,specular:0,specularPower:1,opacity:1,interpolation:is.GOURAUD,representation:as.SURFACE,edgeVisibility:!1,backfaceCulling:!1,frontfaceCulling:!1,pointSize:1,lineWidth:1,lighting:!0,shading:!1,materialName:null};function us(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,cs,n),jt.obj(e,t),jt.setGet(e,t,["lighting","interpolation","ambient","diffuse","metallic","roughness","normalStrength","emission","baseIOR","specular","specularPower","opacity","edgeVisibility","lineWidth","pointSize","backfaceCulling","frontfaceCulling","representation","diffuseTexture","metallicTexture","roughnessTexture","normalTexture","ambientOcclusionTexture","emissionTexture"]),jt.setGetArray(e,t,["ambientColor","specularColor","diffuseColor","edgeColor"],3),ls(e,t)}var ds={newInstance:jt.newInstance(us,"vtkProperty"),extend:us,...os};const{vtkDebugMacro:ps}=jt;function fs(e,t){t.classHierarchy.push("vtkActor");const n={...e};e.getActors=()=>[e],e.getIsOpaque=()=>{if(t.forceOpaque)return!0;if(t.forceTranslucent)return!1;t.property||e.getProperty();let n=t.property.getOpacity()>=1;return n=n&&(!t.texture||!t.texture.isTranslucent()),n=n&&(!t.mapper||t.mapper.getIsOpaque()),n},e.hasTranslucentPolygonalGeometry=()=>null!==t.mapper&&(null===t.property&&e.setProperty(e.makeProperty()),!e.getIsOpaque()),e.makeProperty=ds.newInstance,e.getProperty=()=>(null===t.property&&(t.property=e.makeProperty()),t.property),e.getBounds=()=>{if(null===t.mapper)return t.bounds;const n=t.mapper.getBounds();if(!n||6!==n.length)return n;if(n[0]>n[1])return t.mapperBounds=n.concat(),t.bounds=[1,-1,1,-1,1,-1],t.boundsMTime.modified(),n;if(!t.mapperBounds||n[0]!==t.mapperBounds[0]||n[1]!==t.mapperBounds[1]||n[2]!==t.mapperBounds[2]||n[3]!==t.mapperBounds[3]||n[4]!==t.mapperBounds[4]||n[5]!==t.mapperBounds[5]||e.getMTime()>t.boundsMTime.getMTime()){ps("Recomputing bounds..."),t.mapperBounds=n.concat();const r=[];Fi.getCorners(n,r),e.computeMatrix();const o=new Float64Array(16);m(o,t.matrix),r.forEach((e=>Dn(e,e,o))),t.bounds[0]=t.bounds[2]=t.bounds[4]=Number.MAX_VALUE,t.bounds[1]=t.bounds[3]=t.bounds[5]=-Number.MAX_VALUE,t.bounds=t.bounds.map(((e,t)=>t%2==0?r.reduce(((e,n)=>e>n[t/2]?n[t/2]:e),e):r.reduce(((e,n)=>e{let e=n.getMTime();if(null!==t.property){const n=t.property.getMTime();e=n>e?n:e}if(null!==t.backfaceProperty){const n=t.backfaceProperty.getMTime();e=n>e?n:e}return e},e.getRedrawMTime=()=>{let e=t.mtime;if(null!==t.mapper){let n=t.mapper.getMTime();e=n>e?n:e,null!==t.mapper.getInput()&&(t.mapper.getInputAlgorithm().update(),n=t.mapper.getInput().getMTime(),e=n>e?n:e)}return e},e.getSupportsSelection=()=>!!t.mapper&&t.mapper.getSupportsSelection(),e.processSelectorPixelBuffers=(e,n)=>{t.mapper&&t.mapper.processSelectorPixelBuffers&&t.mapper.processSelectorPixelBuffers(e,n)}}const gs={mapper:null,property:null,backfaceProperty:null,forceOpaque:!1,forceTranslucent:!1,bounds:[1,-1,1,-1,1,-1]};function ms(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,gs,n),ts.extend(e,t,n),t.boundsMTime={},jt.obj(t.boundsMTime),jt.set(e,t,["property"]),jt.setGet(e,t,["backfaceProperty","forceOpaque","forceTranslucent","mapper"]),fs(e,t)}var hs={newInstance:jt.newInstance(ms,"vtkActor"),extend:ms};const 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t.ranges[n]=r,t.rangeTuple[0]=r.min,t.rangeTuple[1]=r.max,t.rangeTuple},e.setTuple=(e,n)=>{const r=e*t.numberOfComponents;for(let e=0;e{let r=e*t.numberOfComponents;const o=Math.min(n.length,t.size-r);for(let e=0;e(t.size<=r*t.numberOfComponents&&(t.size=(r+1)*t.numberOfComponents,n(r+1)),e.setTuple(r,o),r),e.insertTuples=(r,o)=>{const a=r+o.length/t.numberOfComponents;return t.size{const r=t.size/t.numberOfComponents;return e.insertTuple(r,n)},e.insertNextTuples=n=>{const r=t.size/t.numberOfComponents;return e.insertTuples(r,n)},e.findTuple=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:Cs;for(let r=0;rn){o=!1;break}if(o)return r/t.numberOfComponents}return-1},e.getTuple=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];const r=t.numberOfComponents||1,o=e*r;switch(r){case 4:n[3]=t.values[o+3];case 3:n[2]=t.values[o+2];case 2:n[1]=t.values[o+1];case 1:n[0]=t.values[o];break;default:for(let e=r-1;e>=0;--e)n[e]=t.values[o+e]}return 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r=t.clippingPlanes.indexOf(n);return-1!==r&&(t.clippingPlanes.splice(r,1),e.modified(),!0)},e.getClippingPlanes=()=>t.clippingPlanes,e.setClippingPlanes=t=>{if(t)if(Array.isArray(t)){const n=t.length;for(let r=0;r{const o=t.clippingPlanes,a=e;if(o){const e=o.length;if(n>=0&&n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ls,n),jt.obj(e,t),jt.algo(e,t,1,0),t.clippingPlanes||(t.clippingPlanes=[]),Ds(e,t)};function Ns(e,t){e.getBounds=()=>(jt.vtkErrorMacro("vtkAbstractMapper3D.getBounds - NOT IMPLEMENTED"),Na()),e.getCenter=()=>{const n=e.getBounds();return t.center=Fi.isValid(n)?Fi.getCenter(n):null,t.center?.slice()},e.getLength=()=>{const t=e.getBounds();return Fi.getDiagonalLength(t)}}const ks=e=>({bounds:[...Fi.INIT_BOUNDS],center:[0,0,0],viewSpecificProperties:{},...e});var Fs=function(e,t){let n=arguments.length>2&&void 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e.removeArrayByIndex(r)},e.removeArrayByIndex=e=>-1!==e&&et.arrays.map((e=>e.data)),e.getArray=t=>"number"==typeof t?e.getArrayByIndex(t):e.getArrayByName(t),e.getArrayByName=e=>t.arrays.reduce(((t,n,r)=>n.data.getName()===e?n.data:t),null),e.getArrayWithIndex=e=>{const n=t.arrays.findIndex((t=>t.data.getName()===e));return{array:-1!==n?t.arrays[n].data:null,index:n}},e.getArrayByIndex=e=>e>=0&&ee.getArrayWithIndex(t).index>=0,e.getArrayName=e=>{const n=t.arrays[e];return n?n.data.getName():""},e.getCopyFieldFlags=()=>t.copyFieldFlags,e.getFlag=e=>t.copyFieldFlags[e],e.passData=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:-1,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:-1;n.getArrays().forEach((a=>{const i=e.getFlag(a.getName());if(!1!==i&&(!t.doCopyAllOff||!0===i)&&a){let t=e.getArrayByName(a.getName());if(t)if(a.getNumberOfComponents()===t.getNumberOfComponents())if(r>-1&&r-1?o:r;t.insertTuple(e,a.getTuple(r))}else 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u=a>-1?a:r;c<=u*l&&(c=(u+1)*l),t=Es.newInstance({name:s.getName(),dataType:s.getDataType(),numberOfComponents:l,values:jt.newTypedArray(s.getDataType(),c),size:0}),t.interpolateTuple(u,s,r,s,o,i),e.addArray(t),n.getAttributes(s).forEach((n=>{e.setAttribute(t,n)}))}}}))},e.copyFieldOn=e=>{t.copyFieldFlags[e]=!0},e.copyFieldOff=e=>{t.copyFieldFlags[e]=!1},e.copyAllOn=()=>{t.doCopyAllOn&&!t.doCopyAllOff||(t.doCopyAllOn=!0,t.doCopyAllOff=!1,e.modified())},e.copyAllOff=()=>{!t.doCopyAllOn&&t.doCopyAllOff||(t.doCopyAllOn=!1,t.doCopyAllOff=!0,e.modified())},e.clearFieldFlags=()=>{t.copyFieldFlags={}},e.deepCopy=e=>{t.arrays=e.getArrays().map((e=>{const t=e.newClone();return 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Hs={newInstance:jt.newInstance(Ws,"vtkFieldData"),extend:Ws},js={AttributeCopyOperations:{COPYTUPLE:0,INTERPOLATE:1,PASSDATA:2,ALLCOPY:3},AttributeLimitTypes:{MAX:0,EXACT:1,NOLIMIT:2},AttributeTypes:{SCALARS:0,VECTORS:1,NORMALS:2,TCOORDS:3,TENSORS:4,GLOBALIDS:5,PEDIGREEIDS:6,EDGEFLAG:7,NUM_ATTRIBUTES:8},CellGhostTypes:{DUPLICATECELL:1,HIGHCONNECTIVITYCELL:2,LOWCONNECTIVITYCELL:4,REFINEDCELL:8,EXTERIORCELL:16,HIDDENCELL:32},DesiredOutputPrecision:{DEFAULT:0,SINGLE:1,DOUBLE:2},PointGhostTypes:{DUPLICATEPOINT:1,HIDDENPOINT:2},ghostArrayName:"vtkGhostType"};const{AttributeTypes:Ks,AttributeCopyOperations:$s}=js,{vtkWarningMacro:qs}=jt;function Xs(e,t){const n=["Scalars","Vectors","Normals","TCoords","Tensors","GlobalIds","PedigreeIds"];function r(e){let t=n.find((t=>Ks[t.toUpperCase()]===e||"number"!=typeof e&&t.toLowerCase()===e.toLowerCase()));return void 0===t&&(t=null),t}t.classHierarchy.push("vtkDataSetAttributes");const o={...e};e.checkNumberOfComponents=e=>!0,e.setAttribute=(n,o)=>{const a=r(o);if(n&&"PEDIGREEIDS"===a.toUpperCase()&&!n.isA("vtkDataArray"))return qs(`Cannot set attribute ${a}. 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r=e.getNumberOfTuples(),o=e.getNumberOfComponents(),a=t.getData(),i=e.getData();for(let e=0;e{let i=e.getVectorMode(),s=a,l=o;const c=t.getNumberOfComponents();i===xl.COMPONENT?(-1===l&&(l=e.getVectorComponent()),l<0&&(l=0),l>=c&&(l=c-1)):(-1===s&&(s=e.getVectorSize()),s<=0?(l=0,s=c):(l<0&&(l=0),l>=c&&(l=c-1),l+s>c&&(s=c-l)),i!==xl.MAGNITUDE||1!==c&&1!==s||(i=xl.COMPONENT));let u=0;switch(l>0&&(u=l),i){case xl.COMPONENT:e.mapScalarsThroughTable(t,n,r,u);break;case xl.RGBCOLORS:break;case xl.MAGNITUDE:default:{const o=Es.newInstance({numberOfComponents:1,values:new Float32Array(t.getNumberOfTuples())});e.mapVectorsToMagnitude(t,o,s),e.mapScalarsThroughTable(o,n,r,0);break}}},e.luminanceToRGBA=(e,t,n,r)=>{const o=r(n),a=t.getData(),i=e.getData(),s=a.length;let l=0;for(let e=0;e{const o=t.getData(),a=e.getData(),i=o.length;let s=0;for(let e=0;e{const o=Al(n),a=t.getData(),i=e.getData(),s=a.length;let l=0;for(let e=0;e{const o=t.getData(),a=e.getData(),i=o.length;let s=0;for(let 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wl={alpha:1,vectorComponent:0,vectorSize:-1,vectorMode:xl.COMPONENT,mappingRange:null,annotationArray:null,annotatedValueMap:null,indexedLookup:!1};function Ol(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,wl,n),jt.obj(e,t),t.mappingRange=[0,255],t.annotationArray=[],t.annotatedValueMap=[],jt.setGet(e,t,["vectorSize","vectorComponent","vectorMode","alpha","indexedLookup"]),jt.setArray(e,t,["mappingRange"],2),jt.getArray(e,t,["mappingRange"]),Il(e,t)}var Ml={newInstance:jt.newInstance(Ol,"vtkScalarsToColors"),extend:Ol,...hl};const{vtkErrorMacro:Rl}=jt;function Vl(e,t){t.classHierarchy.push("vtkLookupTable"),e.isOpaque=()=>{if(t.opaqueFlagBuildTime.getMTime()!1,e.getNumberOfAvailableColors=()=>t.table.length/4,e.linearIndexLookup=(e,t)=>{let n=0;const r=Number(e);return rt.range[1]?n=t.maxIndex+1+1.5:(n=(r+t.shift)*t.scale,n=n{let o=0;o=Ba(t)?Math.floor(r.maxIndex+1.5+2):e.linearIndexLookup(t,r);const a=4*o;return 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e=0;e<=i;e++)s[0]=t.hueRange[0]+e*n,s[1]=t.saturationRange[0]+e*r,s[2]=t.valueRange[0]+e*o,Ca(s,l),l[3]=t.alphaRange[0]+e*a,t.table[4*e]=255*l[0]+.5,t.table[4*e+1]=255*l[1]+.5,t.table[4*e+2]=255*l[2]+.5,t.table[4*e+3]=255*l[3]+.5;e.buildSpecialColors(),t.buildTime.modified()},e.setTable=n=>{if(Array.isArray(n)){const r=n[0].length;t.numberOfColors=n.length;const o=4-r;let a=0;for(let e=0;e{const{numberOfColors:e}=t,n=t.table;let r=4*(e+0);t.useBelowRangeColor||0===e?(n[r]=255*t.belowRangeColor[0]+.5,n[r+1]=255*t.belowRangeColor[1]+.5,n[r+2]=255*t.belowRangeColor[2]+.5,n[r+3]=255*t.belowRangeColor[3]+.5):(n[r]=n[0],n[r+1]=n[1],n[r+2]=n[2],n[r+3]=n[3]),r=4*(e+1),t.useAboveRangeColor||0===e?(n[r]=255*t.aboveRangeColor[0]+.5,n[r+1]=255*t.aboveRangeColor[1]+.5,n[r+2]=255*t.aboveRangeColor[2]+.5,n[r+3]=255*t.aboveRangeColor[3]+.5):(n[r]=n[4*(e-1)+0],n[r+1]=n[4*(e-1)+1],n[r+2]=n[4*(e-1)+2],n[r+3]=n[4*(e-1)+3]),r=4*(e+2),n[r]=255*t.nanColor[0]+.5,n[r+1]=255*t.nanColor[1]+.5,n[r+2]=255*t.nanColor[2]+.5,n[r+3]=255*t.nanColor[3]+.5},e.build=()=>{(t.table.length<1||e.getMTime()>t.buildTime.getMTime()&&t.insertTime.getMTime()<=t.buildTime.getMTime())&&e.forceBuild()},t.table.length>0&&(e.buildSpecialColors(),t.insertTime.modified())}const El={numberOfColors:256,hueRange:[0,.66667],saturationRange:[1,1],valueRange:[1,1],alphaRange:[1,1],nanColor:[.5,0,0,1],belowRangeColor:[0,0,0,1],aboveRangeColor:[1,1,1,1],useAboveRangeColor:!1,useBelowRangeColor:!1,alpha:1};function Dl(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,El,n),Ml.extend(e,t,n),t.table||(t.table=[]),t.buildTime={},jt.obj(t.buildTime),t.opaqueFlagBuildTime={},jt.obj(t.opaqueFlagBuildTime,{mtime:0}),t.insertTime={},jt.obj(t.insertTime,{mtime:0}),jt.get(e,t,["buildTime"]),jt.setGet(e,t,["numberOfColors","useAboveRangeColor","useBelowRangeColor"]),jt.setArray(e,t,["alphaRange","hueRange","saturationRange","valueRange"],2),jt.setArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"],4),jt.getArray(e,t,["hueRange","saturationRange","valueRange","alphaRange","nanColor","belowRangeColor","aboveRangeColor"]),Vl(e,t)}var Ll={newInstance:jt.newInstance(Dl,"vtkLookupTable"),extend:Dl};let Bl=1,Nl=0;const kl=["VTK_RESOLVE_OFF","VTK_RESOLVE_POLYGON_OFFSET"];function Fl(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;Nl=e}var _l={getResolveCoincidentTopologyAsString:function(){return kl[Nl]},getResolveCoincidentTopologyPolygonOffsetFaces:function(){return Bl},getResolveCoincidentTopology:function(){return Nl},setResolveCoincidentTopology:Fl,setResolveCoincidentTopologyPolygonOffsetFaces:function(e){Bl=e},setResolveCoincidentTopologyToDefault:function(){Fl(0)},setResolveCoincidentTopologyToOff:function(){Fl(0)},setResolveCoincidentTopologyToPolygonOffset:function(){Fl(1)}};function Gl(e,t,n){n.forEach((n=>{e[`get${n.method}`]=()=>t[n.key],e[`set${n.method}`]=(e,r)=>{t[n.key]={factor:e,offset:r}}}))}const Ul=["Polygon","Line","Point"],zl={};Gl(zl,{Polygon:{factor:2,offset:0},Line:{factor:1,offset:-1},Point:{factor:0,offset:-2}},Ul.map((e=>({key:e,method:`ResolveCoincidentTopology${e}OffsetParameters`}))));var Wl={implementCoincidentTopologyMethods:function(e,t){void 0===t.resolveCoincidentTopology&&(t.resolveCoincidentTopology=!1),jt.setGet(e,t,["resolveCoincidentTopology"]),t.topologyOffset={Polygon:{factor:0,offset:0},Line:{factor:0,offset:0},Point:{factor:0,offset:0}},Object.keys(_l).forEach((t=>{e[t]=_l[t]})),Object.keys(zl).forEach((t=>{e[t]=zl[t]})),Gl(e,t.topologyOffset,Ul.map((e=>({key:e,method:`RelativeCoincidentTopology${e}OffsetParameters`})))),e.getCoincidentTopologyPolygonOffsetParameters=()=>{const t=zl.getResolveCoincidentTopologyPolygonOffsetParameters(),n=e.getRelativeCoincidentTopologyPolygonOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyLineOffsetParameters=()=>{const t=zl.getResolveCoincidentTopologyLineOffsetParameters(),n=e.getRelativeCoincidentTopologyLineOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyPointOffsetParameter=()=>{const t=zl.getResolveCoincidentTopologyPointOffsetParameters(),n=e.getRelativeCoincidentTopologyPointOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}}},staticOffsetAPI:zl,otherStaticMethods:_l,CATEGORIES:Ul};const Hl={MIN_KNOWN_PASS:0,ACTOR_PASS:0,COMPOSITE_INDEX_PASS:1,ID_LOW24:2,ID_HIGH24:3,MAX_KNOWN_PASS:3};var jl={PassTypes:Hl};const{FieldAssociations:Kl}=al,{staticOffsetAPI:$l,otherStaticMethods:ql}=Wl,{ColorMode:Xl,ScalarMode:Yl,GetArray:Zl}=yl,{VectorMode:Ql}=hl,{VtkDataTypes:Jl}=Es;function ec(e){return()=>jt.vtkErrorMacro(`vtkMapper::${e} - NOT IMPLEMENTED`)}function tc(e,t){t.classHierarchy.push("vtkMapper"),e.getBounds=()=>{const n=e.getInputData();return n?(t.static||e.update(),t.bounds=n.getBounds()):t.bounds=Na(),t.bounds},e.setForceCompileOnly=e=>{t.forceCompileOnly=e},e.setSelectionWebGLIdsToVTKIds=e=>{t.selectionWebGLIdsToVTKIds=e},e.createDefaultLookupTable=()=>{t.lookupTable=Ll.newInstance()},e.getColorModeAsString=()=>jt.enumToString(Xl,t.colorMode),e.setColorModeToDefault=()=>e.setColorMode(0),e.setColorModeToMapScalars=()=>e.setColorMode(1),e.setColorModeToDirectScalars=()=>e.setColorMode(2),e.getScalarModeAsString=()=>jt.enumToString(Yl,t.scalarMode),e.setScalarModeToDefault=()=>e.setScalarMode(0),e.setScalarModeToUsePointData=()=>e.setScalarMode(1),e.setScalarModeToUseCellData=()=>e.setScalarMode(2),e.setScalarModeToUsePointFieldData=()=>e.setScalarMode(3),e.setScalarModeToUseCellFieldData=()=>e.setScalarMode(4),e.setScalarModeToUseFieldData=()=>e.setScalarMode(5),e.getAbstractScalars=(e,n,r,o,a)=>{if(!e||!t.scalarVisibility)return{scalars:null,cellFLag:!1};let i=null,s=!1;if(n===Yl.DEFAULT)i=e.getPointData().getScalars(),i||(i=e.getCellData().getScalars(),s=!0);else if(n===Yl.USE_POINT_DATA)i=e.getPointData().getScalars();else if(n===Yl.USE_CELL_DATA)i=e.getCellData().getScalars(),s=!0;else if(n===Yl.USE_POINT_FIELD_DATA){const t=e.getPointData();i=r===Zl.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}else if(n===Yl.USE_CELL_FIELD_DATA){const t=e.getCellData();s=!0,i=r===Zl.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}else if(n===Yl.USE_FIELD_DATA){const t=e.getFieldData();i=r===Zl.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}return{scalars:i,cellFlag:s}},e.mapScalars=(n,r)=>{const o=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!o)return t.colorCoordinates=null,t.colorTextureMap=null,void(t.colorMapColors=null);const a=`${e.getMTime()}${o.getMTime()}${r}`;if(t.colorBuildString!==a){if(t.useLookupTableScalarRange||e.getLookupTable().setRange(t.scalarRange[0],t.scalarRange[1]),e.canUseTextureMapForColoring(n))e.mapScalarsToTexture(o,r);else{t.colorCoordinates=null,t.colorTextureMap=null;const n=e.getLookupTable();n&&(n.build(),t.colorMapColors=n.mapScalars(o,t.colorMode,t.fieldDataTupleId))}t.colorBuildString=`${e.getMTime()}${o.getMTime()}${r}`}},e.scalarToTextureCoordinate=(e,t,n)=>{let r=.5,o=1;return Ba(e)||(o=.49,r=(e-t)*n,r>1e3?r=1e3:r<-1e3&&(r=-1e3)),{texCoordS:r,texCoordT:o}},e.createColorTextureCoordinates=(t,n,r,o,a,i,s,l,c)=>{const u=(i[1]-i[0])/l,d=[];d[0]=i[0]-u,d[1]=i[1]+u;const p=1/(d[1]-d[0]),f=n.getData(),g=t.getData();let m=0,h=0;if(a<0||a>=o)for(let t=0;t{const o=t.lookupTable.getRange(),a=t.lookupTable.usingLogScale();a&&Ll.getLogRange(o,o);const i=t.lookupTable.getAlpha();if(t.colorMapColors=null,null==t.colorTextureMap||e.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getAlpha()!==r){t.lookupTable.setAlpha(r),t.colorTextureMap=null,t.lookupTable.build();let e=t.lookupTable.getNumberOfAvailableColors();e>4094&&(e=4094),e<64&&(e=64),e+=2;const n=(o[1]-o[0])/(e-2),s=new Float64Array(2*e);for(let t=0;tt.colorCoordinates.getMTime()||e.getInputData(0).getMTime()>t.colorCoordinates.getMTime()||t.lookupTable.getMTime()>t.colorCoordinates.getMTime()){t.colorCoordinates=null;const r=n.getNumberOfComponents(),i=n.getNumberOfTuples();t.colorCoordinates=Es.newInstance({numberOfComponents:2,values:new Float32Array(2*i)});let s=t.lookupTable.getVectorComponent();t.lookupTable.getVectorMode()===Ql.MAGNITUDE&&n.getNumberOfComponents()>1&&(s=-1),e.createColorTextureCoordinates(n,t.colorCoordinates,i,r,s,o,t.lookupTable.getRange(),t.colorTextureMap.getPointData().getScalars().getNumberOfTuples()/2-2,a)}},e.getIsOpaque=()=>{const n=e.getInputData(),r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!t.scalarVisibility||null==r)return!0;const o=e.getLookupTable();return!o||(o.build(),o.areScalarsOpaque(r,t.colorMode,-1))},e.canUseTextureMapForColoring=n=>{if(!t.interpolateScalarsBeforeMapping)return!1;if(t.lookupTable&&t.lookupTable.getIndexedLookup())return!1;const r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName),o=r.scalars;return!(!o||r.cellFlag||t.colorMode===Xl.DEFAULT&&o.getDataType()===Jl.UNSIGNED_CHAR||t.colorMode===Xl.DIRECT_SCALARS)},e.clearColorArrays=()=>{t.colorMapColors=null,t.colorCoordinates=null,t.colorTextureMap=null},e.getLookupTable=()=>(t.lookupTable||e.createDefaultLookupTable(),t.lookupTable),e.getMTime=()=>{let e=t.mtime;if(null!==t.lookupTable){const n=t.lookupTable.getMTime();e=n>e?n:e}return e},e.getPrimitiveCount=()=>{const t=e.getInputData();return{points:t.getPoints().getNumberOfValues()/3,verts:t.getVerts().getNumberOfValues()-t.getVerts().getNumberOfCells(),lines:t.getLines().getNumberOfValues()-2*t.getLines().getNumberOfCells(),triangles:t.getPolys().getNumberOfValues()-3*t.getPolys().getNumberOfCells()}},e.acquireInvertibleLookupTable=ec("AcquireInvertibleLookupTable"),e.valueToColor=ec("ValueToColor"),e.colorToValue=ec("ColorToValue"),e.useInvertibleColorFor=ec("UseInvertibleColorFor"),e.clearInvertibleColor=ec("ClearInvertibleColor"),e.processSelectorPixelBuffers=(e,n)=>{if(!e||!t.selectionWebGLIdsToVTKIds||!t.populateSelectionSettings)return;const r=e.getRawPixelBuffer(Hl.ID_LOW24),o=e.getRawPixelBuffer(Hl.ID_HIGH24),a=e.getCurrentPass(),i=e.getFieldAssociation();let s=null;i===Kl.FIELD_ASSOCIATION_POINTS?s=t.selectionWebGLIdsToVTKIds.points:i===Kl.FIELD_ASSOCIATION_CELLS&&(s=t.selectionWebGLIdsToVTKIds.cells),s&&n.forEach((t=>{if(a===Hl.ID_LOW24){let n=0;o&&(n+=o[t],n*=256),n+=r[t+2],n*=256,n+=r[t+1],n*=256,n+=r[t];const a=s[n],i=e.getPixelBuffer(Hl.ID_LOW24);i[t]=255&a,i[t+1]=(65280&a)>>8,i[t+2]=(16711680&a)>>16}else if(a===Hl.ID_HIGH24&&o){let n=0;n+=o[t],n*=256,n+=r[t],n*=256,n+=r[t+1],n*=256,n+=r[t+2];const a=s[n];e.getPixelBuffer(Hl.ID_HIGH24)[t]=(4278190080&a)>>24}}))}}const nc={colorMapColors:null,static:!1,lookupTable:null,scalarVisibility:!0,scalarRange:[0,1],useLookupTableScalarRange:!1,colorMode:0,scalarMode:0,arrayAccessMode:1,renderTime:0,colorByArrayName:null,fieldDataTupleId:-1,populateSelectionSettings:!0,selectionWebGLIdsToVTKIds:null,interpolateScalarsBeforeMapping:!1,colorCoordinates:null,colorTextureMap:null,forceCompileOnly:0,useInvertibleColors:!1,invertibleScalars:null,customShaderAttributes:[]};function rc(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,nc,n),Fs(e,t,n),jt.get(e,t,["colorCoordinates","colorMapColors","colorTextureMap","selectionWebGLIdsToVTKIds"]),jt.setGet(e,t,["colorByArrayName","arrayAccessMode","colorMode","fieldDataTupleId","interpolateScalarsBeforeMapping","lookupTable","populateSelectionSettings","renderTime","scalarMode","scalarVisibility","static","useLookupTableScalarRange","customShaderAttributes"]),jt.setGetArray(e,t,["scalarRange"],2),Wl.implementCoincidentTopologyMethods(e,t),tc(e,t)}var oc={newInstance:jt.newInstance(rc,"vtkMapper"),extend:rc,...$l,...ql,...yl};function ac(e){let t=0;return e.filter(((e,n)=>n===t&&(t+=e+1,!0)))}function ic(e){let t=0;for(let n=0;nvoid 0===t.numberOfCells||n?(t.cellSizes?t.numberOfCells=t.cellSizes.length:t.numberOfCells=ic(e.getData()),t.numberOfCells):t.numberOfCells,e.getCellSizes=n=>void 0===t.cellSizes||n?(t.cellSizes=ac(e.getData()),t.cellSizes):t.cellSizes,e.resize=r=>{const o=e.getNumberOfTuples();n.resize(r);const a=e.getNumberOfTuples();a{n.setData(e,1),t.numberOfCells=void 0,t.cellSizes=void 0},e.getCell=e=>{let n=e;const r=t.values[n++];return t.values.subarray(n,n+r)},e.insertNextCell=n=>{const r=e.getNumberOfCells();return e.insertNextTuples([n.length,...n]),++t.numberOfCells,null!=t.cellSizes&&t.cellSizes.push(n.length),r}}function cc(e){return{empty:!0,numberOfComponents:1,dataType:ys.UNSIGNED_INT,...e}}function uc(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Es.extend(e,t,cc(n)),lc(e,t)}var dc={newInstance:jt.newInstance(uc,"vtkCellArray"),extend:uc,...sc};const{vtkErrorMacro:pc}=jt,fc=[1,-1,1,-1,1,-1];function gc(e,t){t.classHierarchy.push("vtkPoints"),e.getNumberOfPoints=e.getNumberOfTuples,e.setNumberOfPoints=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:3;e.getNumberOfPoints()!==n&&(t.size=n*r,t.values=jt.newTypedArray(t.dataType,t.size),e.setNumberOfComponents(r),e.modified())},e.setPoint=function(t){for(var n=arguments.length,r=new 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yc(e,t){t.classHierarchy.push("vtkCell"),e.initialize=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(n){t.pointsIds=n;let r=t.points.getData();r.length!==3*t.pointsIds.length&&(r=jt.newTypedArray(e.getDataType(),3*t.pointsIds.length));const o=e.getData();t.pointsIds.forEach(((e,t)=>{let n=3*e,a=3*t;r[a]=o[n],r[++a]=o[++n],r[++a]=o[++n]})),t.points.setData(r)}else{t.points=e,t.pointsIds=new Array(e.getNumberOfPoints());for(let n=e.getNumberOfPoints()-1;n>=0;--n)t.pointsIds[n]=n}},e.getBounds=()=>{const e=t.points.getNumberOfPoints(),n=[];if(e){t.points.getPoint(0,n),t.bounds[0]=n[0],t.bounds[1]=n[0],t.bounds[2]=n[1],t.bounds[3]=n[1],t.bounds[4]=n[2],t.bounds[5]=n[2];for(let r=1;rt.bounds[1]?n[0]:t.bounds[1],t.bounds[2]=n[1]t.bounds[3]?n[1]:t.bounds[3],t.bounds[4]=n[2]t.bounds[5]?n[2]:t.bounds[5]}else wa(t.bounds);return t.bounds},e.getLength2=()=>{e.getBounds();let n=0,r=0;for(let e=0;e<3;e++)r=t.bounds[2*e+1]-t.bounds[2*e],n+=r*r;return 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t=0;t{e.insertCellReference(n,a[n]++,t)}))}}else{for(let t=0;t{e.incrementLinkCount(t)}));e.allocateLinks(r),t.maxId=r-1;for(let t=0;t{e.insertCellReference(n,a[n]++,t)}))}},e.allocate=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1e3;t.array=Array(e).fill().map((()=>({ncells:0,cells:null}))),t.extend=n,t.maxId=-1},e.initialize=()=>{t.array=null},e.getLink=e=>t.array[e],e.getNcells=e=>t.array[e].ncells,e.getCells=e=>t.array[e].cells,e.insertNextPoint=e=>{t.array.push({ncells:e,cells:Array(e)}),++t.maxId},e.insertNextCellReference=(e,n)=>{t.array[e].cells[t.array[e].ncells++]=n},e.deletePoint=e=>{t.array[e].ncells=0,t.array[e].cells=null},e.removeCellReference=(e,n)=>{t.array[n].cells=t.array[n].cells.filter((t=>t!==e)),t.array[n].ncells=t.array[n].cells.length},e.addCellReference=(e,n)=>{t.array[n].cells[t.array[n].ncells++]=e},e.resizeCellList=(e,n)=>{t.array[e].cells.length=n},e.squeeze=()=>{!function(e,t){let 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n=t.camera.getCompositeProjectionMatrix(t.lastAspectRatio,-1,1);m(n,n);const r=t.renderable.getTextValues().length,o=4*r,a=2*r,i=new Float64Array(3*o),s=new Uint16Array(4*a),l=new Float32Array(2*o);h(Du,n);const c={ptIdx:0,cellIdx:0,polys:s,points:i,tcoords:l};let u=0,d=0,p=0;const f=t.renderable.getTextPolyData().getPoints().getData(),g=t.renderable.getTextValues();for(;u{t.lastSize[0]===n[0]&&t.lastSize[1]===n[1]||(t.lastSize[0]=n[0],t.lastSize[1]=n[1],t.lastAspectRatio=n[0]/n[1],t.forceUpdate=!0),t.camera=r,e.updateTexturePolyData()}}const Nu=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{renderable:null};Object.assign(t,{},n),jt.obj(e,t),t.tmPolyData=hu.newInstance(),t.tmMapper=oc.newInstance(),t.tmMapper.setInputData(t.tmPolyData),t.tmActor=hs.newInstance({parentProp:e}),t.tmActor.setMapper(t.tmMapper),jt.setGet(e,t,["renderable"]),jt.get(e,t,["lastSize","lastAspectRatio","axisTextStyle","tickTextStyle","tmActor","ticks"]),t.forceUpdate=!1,t.lastRedrawTime={},jt.obj(t.lastRedrawTime,{mtime:0}),t.lastRebuildTime={},jt.obj(t.lastRebuildTime,{mtime:0}),t.lastSize=[-1,-1],t.lastTickBounds=[],Bu(e,t)}),"vtkCubeAxesActorHelper");function ku(e,t){t.classHierarchy.push("vtkCubeAxesActor"),e.setCamera=n=>{t.camera!==n&&(t.cameraModifiedSub&&(t.cameraModifiedSub.unsubscribe(),t.cameraModifiedSub=null),t.camera=n,n&&(t.cameraModifiedSub=n.onModified(e.update)),e.update(),e.modified())},e.computeFacesToDraw=()=>{const e=t.camera.getViewMatrix();m(e,e);let n=!1;const r=Fi.getDiagonalLength(t.dataBounds),o=Math.sin(t.faceVisibilityAngle*Math.PI/180);for(let a=0;a<6;a++){let i=!1;const s=Math.floor(a/2),l=(s+1)%3,c=(s+2)%3;t.dataBounds[2*l]!==t.dataBounds[2*l+1]&&t.dataBounds[2*c]!==t.dataBounds[2*c+1]&&(wu[s]=t.dataBounds[a]-.1*r*Cu[a][s],wu[l]=.5*(t.dataBounds[2*l]+t.dataBounds[2*l+1]),wu[c]=.5*(t.dataBounds[2*c]+t.dataBounds[2*c+1]),Dn(Mu,wu,e),wu[s]=t.dataBounds[a],Dn(Ru,wu,e),wn(Mu,Ru,Mu),Rn(Mu,Mu),i=Mu[2]>o,t.camera.getParallelProjection()||(Rn(Ru,Ru),i=Vn(Ru,Mu)>o)),i!==t.lastFacesToDraw[a]&&(t.lastFacesToDraw[a]=i,n=!0)}return n},e.updatePolyData=(e,n,r)=>{let o=0,a=0;o+=8;let i=0;for(let e=0;e<12;e++)n[e]>0&&i++;if(a+=i,t.gridLines)for(let t=0;t<6;t++)e[t]&&(o+=2*r[Iu[t][0]].length+2*r[Iu[t][1]].length,a+=r[Iu[t][0]].length+r[Iu[t][1]].length);const s=new Float64Array(3*o),l=new Uint32Array(3*a);let c=0,u=0;for(let e=0;e<2;e++)for(let n=0;n<2;n++)for(let r=0;r<2;r++)s[3*c]=t.dataBounds[r],s[3*c+1]=t.dataBounds[2+n],s[3*c+2]=t.dataBounds[4+e],c++;for(let e=0;e<12;e++)n[e]>0&&(l[3*u]=2,l[3*u+1]=Pu[e][0],l[3*u+2]=Pu[e][1],u++);if(t.gridLines)for(let n=0;n<6;n++)if(e[n]){const e=Math.floor(n/2);let o=r[Iu[n][0]];for(let r=0;r{let a=0;for(let e=0;e<12;e++)1===n[e]&&(a+=2,a+=r[Au[e]].length);const i=t.polyData.getPoints().getData(),s=new Float64Array(3*a);let l=0,c=0,u=0;for(let a=0;a<6;a++)if(e[a])for(let e=0;e<4;e++){const d=Su[a][e];if(1===n[d]){const e=Au[d],n=3*Pu[d][0],p=3*Pu[d][1];s[3*l]=.5*(i[n]+i[p]),s[3*l+1]=.5*(i[n+1]+i[p+1]),s[3*l+2]=.5*(i[n+2]+i[p+2]),l++,s[3*l+Math.floor(a/2)]=t.dataBounds[a],s[3*l+Iu[a][0]]=.5*(t.dataBounds[2*Iu[a][0]]+t.dataBounds[2*Iu[a][0]+1]),s[3*l+Iu[a][1]]=.5*(t.dataBounds[2*Iu[a][1]]+t.dataBounds[2*Iu[a][1]+1]),l++,t.textValues[c]=t.axisLabels[e],c++;const f=(e+1)%3,g=(e+2)%3,m=r[e],h=o[e];t.tickCounts[u]=m.length;for(let r=0;r{if(!t.camera)return;const n=e.computeFacesToDraw(),r=t.lastFacesToDraw;let o=!1;for(let e=0;e<6;e++)t.dataBounds[e]!==t.lastTickBounds[e]&&(o=!0,t.lastTickBounds[e]=t.dataBounds[e]);if(n||o||t.forceUpdate){const n=new Array(12).fill(0);for(let e=0;e<6;e++)if(r[e])for(let t=0;t<4;t++)n[Su[e][t]]++;const a=[],i=[];for(let e=0;e<3;e++){const n=mo().domain([t.dataBounds[2*e],t.dataBounds[2*e+1]]);a[e]=n.ticks(5);const r=n.tickFormat(5);i[e]=a[e].map(r)}e.updatePolyData(r,n,a),e.updateTextData(r,n,a,i),(o||t.forceUpdate)&&e.updateTextureAtlas(i)}t.forceUpdate=!1},e.updateTextureAtlas=e=>{t.tmContext.textBaseline="bottom",t.tmContext.textAlign="left",t._tmAtlas.clear();let n=0,r=1;for(let o=0;o<3;o++){if(!t._tmAtlas.has(t.axisLabels[o])){Lu(t.tmContext,t.axisTextStyle);const e=t.tmContext.measureText(t.axisLabels[o]),a={height:e.actualBoundingBoxAscent+2,startingHeight:r,width:e.width+2,textStyle:t.axisTextStyle};t._tmAtlas.set(t.axisLabels[o],a),r+=a.height,n{e.tcoords=[0,(r-e.startingHeight-e.height)/r,e.width/n,(r-e.startingHeight-e.height)/r,e.width/n,(r-e.startingHeight)/r,0,(r-e.startingHeight)/r]})),t.tmCanvas.width=n,t.tmCanvas.height=r,t.tmContext.textBaseline="bottom",t.tmContext.textAlign="left",t.tmContext.clearRect(0,0,n,r),t._tmAtlas.forEach(((e,n)=>{Lu(t.tmContext,e.textStyle),t.tmContext.fillText(n,1,e.startingHeight+e.height-1)})),t.tmTexture.setCanvas(t.tmCanvas),t.tmTexture.modified()},e.onModified((()=>{t.forceUpdate=!0,e.update()})),e.setTickTextStyle=n=>{t.tickTextStyle={...t.tickTextStyle,...n},e.modified()},e.setAxisTextStyle=n=>{t.axisTextStyle={...t.axisTextStyle,...n},e.modified()},e.get_tmAtlas=()=>t._tmAtlas,e.getBounds=()=>(e.update(),Fi.setBounds(t.bounds,t.gridActor.getBounds()),Fi.scaleAboutCenter(t.bounds,t.boundsScaleFactor,t.boundsScaleFactor,t.boundsScaleFactor),t.bounds);const n=jt.chain(e.setProperty,t.gridActor.setProperty);e.setProperty=e=>n(e)[0]}function Fu(e){return{boundsScaleFactor:1.3,camera:null,dataBounds:[...Fi.INIT_BOUNDS],faceVisibilityAngle:8,gridLines:!0,axisLabels:null,axisTitlePixelOffset:35,axisTextStyle:{fontColor:"white",fontStyle:"normal",fontSize:18,fontFamily:"serif"},tickLabelPixelOffset:12,tickTextStyle:{fontColor:"white",fontStyle:"normal",fontSize:14,fontFamily:"serif"},...e}}function _u(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fu(n)),hs.extend(e,t,n),t.lastFacesToDraw=[!1,!1,!1,!1,!1,!1],t.axisLabels=["X-Axis","Y-Axis","Z-Axis"],t.tickCounts=[],t.textValues=[],t.lastTickBounds=[],t.tmCanvas=document.createElement("canvas"),t.tmContext=t.tmCanvas.getContext("2d"),t._tmAtlas=new Map,t.tmTexture=Tu.newInstance(),t.tmTexture.setInterpolate(!1),e.getProperty().setDiffuse(0),e.getProperty().setAmbient(1),t.gridMapper=oc.newInstance(),t.polyData=hu.newInstance(),t.gridMapper.setInputData(t.polyData),t.gridActor=hs.newInstance(),t.gridActor.setMapper(t.gridMapper),t.gridActor.setProperty(e.getProperty()),t.gridActor.setParentProp(e),t.textPolyData=hu.newInstance(),jt.setGet(e,t,["axisTitlePixelOffset","boundsScaleFactor","faceVisibilityAngle","gridLines","tickLabelPixelOffset"]),jt.setGetArray(e,t,["dataBounds"],6),jt.setGetArray(e,t,["axisLabels"],3),jt.get(e,t,["axisTextStyle","tickTextStyle","camera","tmTexture","textValues","textPolyData","tickCounts","gridActor"]),ku(e,t)}var Gu={newInstance:jt.newInstance(_u,"vtkCubeAxesActor"),extend:_u,newCubeAxesActorHelper:Nu};function Uu(e,t){t.classHierarchy.push("vtkOpenGLCubeAxesActor"),e.buildPass=n=>{n&&(t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.CubeAxesActorHelper.getRenderable()||t.CubeAxesActorHelper.setRenderable(t.renderable),e.prepareNodes(),e.addMissingNode(t.CubeAxesActorHelper.getTmActor()),e.addMissingNode(t.renderable.getGridActor()),e.removeUnusedNodes())},e.opaquePass=(e,n)=>{if(e){const e=t._openGLRenderer?t._openGLRenderer.getRenderable().getActiveCamera():null,n=t._openGLRenderer.getTiledSizeAndOrigin();t.CubeAxesActorHelper.updateAPISpecificData([n.usize,n.vsize],e,t._openGLRenderWindow.getRenderable())}}}const zu={};const Wu=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,zu,n),Zt.extend(e,t,n),t.CubeAxesActorHelper=Gu.newCubeAxesActorHelper(),Uu(e,t)}),"vtkOpenGLCubeAxesActor");rn("vtkCubeAxesActor",Wu);const Hu={ARRAY_BUFFER:0,ELEMENT_ARRAY_BUFFER:1,TEXTURE_BUFFER:2};var ju={ObjectType:Hu};const{ObjectType:Ku}=ju;function $u(e,t){function n(e){switch(e){case Ku.ELEMENT_ARRAY_BUFFER:return t.context.ELEMENT_ARRAY_BUFFER;case Ku.TEXTURE_BUFFER:if("TEXTURE_BUFFER"in t.context)return t.context.TEXTURE_BUFFER;case Ku.ARRAY_BUFFER:default:return t.context.ARRAY_BUFFER}}t.classHierarchy.push("vtkOpenGLBufferObject");let r=null,o=null,a=!0,i="";e.getType=()=>r,e.setType=e=>{r=e},e.getHandle=()=>o,e.isReady=()=>!1===a,e.generateBuffer=e=>{const a=n(e);return null===o&&(o=t.context.createBuffer(),r=e),n(r)===a},e.upload=(s,l)=>e.generateBuffer(l)?(t.context.bindBuffer(n(r),o),t.context.bufferData(n(r),s,t.context.STATIC_DRAW),t.allocatedGPUMemoryInBytes=s.length*s.BYTES_PER_ELEMENT,a=!1,!0):(i="Trying to upload array buffer to incompatible 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i=arguments.length>4&&void 0!==arguments[4]?arguments[4]:null;if(!n.getData()||!n.getData().length)return t.elementCount=0,0;t.blockSize=3,t.vertexOffset=0,t.normalOffset=0,t.tCoordOffset=0,t.tCoordComponents=0,t.colorComponents=0,t.colorOffset=0,t.customData=[];const s=a.points.getData();let l=null,c=null,u=null;const d=a.colors?a.colors.getNumberOfComponents():0,p=a.tcoords?a.tcoords.getNumberOfComponents():0;a.normals&&(t.normalOffset=4*t.blockSize,t.blockSize+=3,l=a.normals.getData()),a.customAttributes&&a.customAttributes.forEach((e=>{e&&(t.customData.push({data:e.getData(),offset:4*t.blockSize,components:e.getNumberOfComponents(),name:e.getName()}),t.blockSize+=e.getNumberOfComponents())})),a.tcoords&&(t.tCoordOffset=4*t.blockSize,t.tCoordComponents=p,t.blockSize+=p,c=a.tcoords.getData()),a.colors?(t.colorComponents=a.colors.getNumberOfComponents(),t.colorOffset=0,u=a.colors.getData(),t.colorBO||(t.colorBO=Yu.newInstance()),t.colorBO.setOpenGLRenderWindow(t._openGLRenderWindow)):t.colorBO=null,t.stride=4*t.blockSize;let f,g=0,m=0,h=0,v=0,y=0,b=0;const x={anythingToPoints(e,t,n){for(let r=0;r2)for(let r=0;r2){for(let r=0;re,linesToWireframe:(e,t)=>e>1?2*(e-1):0,polysToWireframe:(e,t)=>e>2?2*e:0,stripsToWireframe:(e,t)=>e>2?4*e-6:0,polysToSurface:(e,t)=>e>2?3*(e-2):0,stripsToSurface:(e,t,n)=>e>2?3*(e-2):0};let C=null,S=null;o===rs.POINTS||"verts"===r?(C=x.anythingToPoints,S=T.anythingToPoints):o===rs.WIREFRAME||"lines"===r?(C=x[`${r}ToWireframe`],S=T[`${r}ToWireframe`]):(C=x[`${r}ToSurface`],S=T[`${r}ToSurface`]);const P=n.getData(),A=P.length;let I=0;for(let e=0;e0&&(Math.abs(E)/V>1e6||Math.abs(Math.log10(V))>3||0===V&&E>1e6);if(D){const t=new Float64Array(3),n=new Float64Array(3);for(let e=0;e<3;++e){const r=a.points.getRange(e),o=r[1]-r[0];t[e]=.5*(r[1]+r[0]),n[e]=o>0?1/o:1}e.setCoordShiftAndScale(t,n)}else!0===t.coordShiftAndScaleEnabled&&e.setCoordShiftAndScale(null,null);if(i)if(i.points||i.cells){const e=new Int32Array(I+i.points.length);e.set(i.points),i.points=e;const t=new Int32Array(I+i.cells.length);t.set(i.cells),i.cells=t}else i.points=new Int32Array(I),i.cells=new Int32Array(I);let L=a.vertexOffset;f=function(e){if(i&&(i.points[L]=e,i.cells[L]=b+a.cellOffset),++L,g=3*e,t.coordShiftAndScaleEnabled?(O[M++]=(s[g++]-t.coordShift[0])*t.coordScale[0],O[M++]=(s[g++]-t.coordShift[1])*t.coordScale[1],O[M++]=(s[g++]-t.coordShift[2])*t.coordScale[2]):(O[M++]=s[g++],O[M++]=s[g++],O[M++]=s[g++]),null!==l&&(m=a.haveCellNormals?3*(b+a.cellOffset):3*e,O[M++]=l[m++],O[M++]=l[m++],O[M++]=l[m++]),t.customData.forEach((t=>{y=e*t.components;for(let e=0;e{null===e||e.constructor===Float64Array&&3===e.length?null===n||n.constructor===Float64Array&&3===n.length?(null!==t.coordShift&&null!==e&&Nn(e,t.coordShift)||(t.coordShift=e),null!==t.coordScale&&null!==n&&Nn(n,t.coordScale)||(t.coordScale=n),t.coordShiftAndScaleEnabled=function(e,t){return null!==e&&null!==t&&!(Bn(e,[0,0,0])&&Bn(t,[1,1,1]))}(t.coordShift,t.coordScale),t.coordShiftAndScaleEnabled?t.inverseShiftAndScaleMatrix=function(e,t){const n=new Float64Array(3);Mn(n,t);const r=new Float64Array(16);return k(r,Ui(),e,n),r}(t.coordShift,t.coordScale):t.inverseShiftAndScaleMatrix=null):Zu("Wrong type for coordScale, expected vec3 or null"):Zu("Wrong type for coordShift, expected vec3 or null")}}const Ju={elementCount:0,stride:0,colorBOStride:0,vertexOffset:0,normalOffset:0,tCoordOffset:0,tCoordComponents:0,colorOffset:0,colorComponents:0,tcoordBO:null,customData:[],coordShift:null,coordScale:null,coordShiftAndScaleEnabled:!1,inverseShiftAndScaleMatrix:null};function ed(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ju,n),Yu.extend(e,t,n),jt.setGet(e,t,["colorBO","elementCount","stride","colorBOStride","vertexOffset","normalOffset","tCoordOffset","tCoordComponents","colorOffset","colorComponents","customData"]),jt.get(e,t,["coordShift","coordScale","coordShiftAndScaleEnabled","inverseShiftAndScaleMatrix"]),Qu(e,t)}var td={newInstance:jt.newInstance(ed),extend:ed};const{vtkErrorMacro:nd}=jt;function 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program.",!1):(t.context.detachShader(t.handle,e.getHandle()),t.vertexShaderHandle=0,t.linked=!1,!0);case"Fragment":return t.fragmentShaderHandle!==e.getHandle()?(t.error="The supplied shader was not attached to this program.",!1):(t.context.detachShader(t.handle,e.getHandle()),t.fragmentShaderHandle=0,t.linked=!1,!0);default:return!1}},e.setContext=e=>{t.context=e,t.vertexShader.setContext(e),t.fragmentShader.setContext(e),t.geometryShader.setContext(e)},e.setLastCameraMTime=e=>{t.lastCameraMTime=e}}const cd={vertexShaderHandle:0,fragmentShaderHandle:0,geometryShaderHandle:0,vertexShader:null,fragmentShader:null,geometryShader:null,linked:!1,bound:!1,compiled:!1,error:"",handle:0,numberOfOutputs:0,attributesLocs:null,uniformLocs:null,md5Hash:0,context:null,lastCameraMTime:null};function ud(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,cd,n),t.attributesLocs={},t.uniformLocs={},t.vertexShader=id.newInstance(),t.vertexShader.setShaderType("Vertex"),t.fragmentShader=id.newInstance(),t.fragmentShader.setShaderType("Fragment"),t.geometryShader=id.newInstance(),t.geometryShader.setShaderType("Geometry"),jt.obj(e,t),jt.get(e,t,["lastCameraMTime"]),jt.setGet(e,t,["error","handle","compiled","bound","md5Hash","vertexShader","fragmentShader","geometryShader","linked"]),ld(e,t)}var dd={newInstance:jt.newInstance(ud,"vtkShaderProgram"),extend:ud,substitute:function(e,t,n,r){const o="string"==typeof n?n:n.join("\n"),a=!1===r?t:new RegExp(t,"g"),i=e.replace(a,o);return{replace:i!==o,result:i}}};function pd(e,t){t.classHierarchy.push("vtkOpenGLVertexArrayObject"),e.exposedMethod=()=>{},e.initialize=()=>{t.instancingExtension=null,t._openGLRenderWindow.getWebgl2()||(t.instancingExtension=t.context.getExtension("ANGLE_instanced_arrays")),!t.forceEmulation&&t._openGLRenderWindow&&t._openGLRenderWindow.getWebgl2()?(t.extension=null,t.supported=!0,t.handleVAO=t.context.createVertexArray()):(t.extension=t.context.getExtension("OES_vertex_array_object"),!t.forceEmulation&&t.extension?(t.supported=!0,t.handleVAO=t.extension.createVertexArrayOES()):t.supported=!1)},e.isReady=()=>0!==t.handleVAO||!1===t.supported,e.bind=()=>{if(e.isReady()||e.initialize(),e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(t.handleVAO):t.context.bindVertexArray(t.handleVAO);else if(e.isReady()){const e=t.context;for(let n=0;n0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,1):e.vertexAttribDivisor(o.index+n,1))}}}},e.release=()=>{if(e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(null):t.context.bindVertexArray(null);else if(e.isReady()){const e=t.context;for(let n=0;n0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,0):e.vertexAttribDivisor(o.index+n,0)),e.disableVertexAttribArray(o.index+n)}}}},e.shaderProgramChanged=()=>{e.release(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.handleProgram=0},e.releaseGraphicsResources=()=>{e.shaderProgramChanged(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.supported=!0,t.handleProgram=0},e.addAttributeArray=(t,n,r,o,a,i,s,l)=>e.addAttributeArrayWithDivisor(t,n,r,o,a,i,s,l,0,!1),e.addAttributeArrayWithDivisor=(n,r,o,a,i,s,l,c,u,d)=>{if(!n)return!1;if(!n.isBound()||0===r.getHandle()||r.getType()!==Hu.ARRAY_BUFFER)return!1;if(0===t.handleProgram&&(t.handleProgram=n.getHandle()),e.isReady()||e.initialize(),!e.isReady()||t.handleProgram!==n.getHandle())return!1;const p=t.context,f={};if(f.name=o,f.index=p.getAttribLocation(t.handleProgram,o),f.offset=a,f.stride=i,f.type=s,f.size=l,f.normalize=c,f.isMatrix=d,f.divisor=u,-1===f.Index)return!1;if(r.bind(),p.enableVertexAttribArray(f.index),p.vertexAttribPointer(f.index,f.size,f.type,f.normalize,f.stride,f.offset),u>0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f.index,1):p.vertexAttribDivisor(f.index,1)),f.buffer=r.getHandle(),!t.supported){let e=!1;for(let n=0;n{const d=e.addAttributeArrayWithDivisor(n,r,o,a,i,s,l,c,u,!0);if(!d)return d;const p=t.context,f=p.getAttribLocation(t.handleProgram,o);for(let e=1;e0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f+e,1):p.vertexAttribDivisor(f+e,1));return!0},e.removeAttributeArray=n=>{if(!e.isReady()||0===t.handleProgram)return!1;if(!t.supported)for(let e=0;e{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))}}const fd={forceEmulation:!1,handleVAO:0,handleProgram:0,supported:!0,buffers:null,context:null};function gd(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,fd,n),t.buffers=[],jt.obj(e,t),jt.get(e,t,["supported"]),jt.setGet(e,t,["forceEmulation"]),pd(e,t)}var md={newInstance:jt.newInstance(gd,"vtkOpenGLVertexArrayObject"),extend:gd};const hd={Start:0,Points:0,Lines:1,Tris:2,TriStrips:3,TrisEdges:4,TriStripsEdges:5,End:6};function vd(e,t){t.classHierarchy.push("vtkOpenGLHelper"),e.setOpenGLRenderWindow=e=>{t.context=e.getContext(),t.program.setContext(t.context),t.VAO.setOpenGLRenderWindow(e),t.CABO.setOpenGLRenderWindow(e)},e.releaseGraphicsResources=e=>{t.VAO.releaseGraphicsResources(),t.CABO.releaseGraphicsResources(),t.CABO.setElementCount(0)},e.drawArrays=(n,r,o,a)=>{if(t.CABO.getElementCount()){const i=e.getOpenGLMode(o),s=e.haveWideLines(n,r),l=t.context,c=l.getParameter(l.DEPTH_WRITEMASK);t.pointPicking&&l.depthMask(!1),i===l.LINES&&s?(e.updateShaders(n,r,a),l.drawArraysInstanced(i,0,t.CABO.getElementCount(),2*Math.ceil(r.getProperty().getLineWidth()))):(l.lineWidth(r.getProperty().getLineWidth()),e.updateShaders(n,r,a),l.drawArrays(i,0,t.CABO.getElementCount()),l.lineWidth(1));const u=(i===l.POINTS?1:0)||(i===l.LINES?2:3);return t.pointPicking&&l.depthMask(c),t.CABO.getElementCount()/u}return 0},e.getOpenGLMode=e=>{if(t.pointPicking)return t.context.POINTS;const n=t.primitiveType;return e===rs.POINTS||n===hd.Points?t.context.POINTS:e===rs.WIREFRAME||n===hd.Lines||n===hd.TrisEdges||n===hd.TriStripsEdges?t.context.LINES:t.context.TRIANGLES},e.haveWideLines=(e,n)=>n.getProperty().getLineWidth()>1&&!(t.CABO.getOpenGLRenderWindow()&&t.CABO.getOpenGLRenderWindow().getHardwareMaximumLineWidth()>=n.getProperty().getLineWidth()),e.getNeedToRebuildShaders=(t,n,r)=>!!(r.getNeedToRebuildShaders(e,t,n)||0===e.getProgram()||e.getShaderSourceTime().getMTime(){if(e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};o.buildShaders(a,n,r);const i=t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==e.getProgram()&&(e.setProgram(i),e.getVAO().releaseGraphicsResources()),e.getShaderSourceTime().modified()}else t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgram(e.getProgram());e.getVAO().bind(),o.setMapperShaderParameters(e,n,r),o.setPropertyShaderParameters(e,n,r),o.setCameraShaderParameters(e,n,r),o.setLightingShaderParameters(e,n,r),o.invokeShaderCallbacks(e,n,r)},e.setMapperShaderParameters=(n,r,o)=>{if(e.haveWideLines(n,r)){e.getProgram().setUniform2f("viewportSize",o.usize,o.vsize);const t=parseFloat(r.getProperty().getLineWidth()),n=t/2;e.getProgram().setUniformf("lineWidthStepSize",t/Math.ceil(t)),e.getProgram().setUniformf("halfLineWidth",n)}t.primitiveType===hd.Points||r.getProperty().getRepresentation()===rs.POINTS?e.getProgram().setUniformf("pointSize",r.getProperty().getPointSize()):t.pointPicking&&e.getProgram().setUniformf("pointSize",e.getPointPickingPrimitiveSize())},e.replaceShaderPositionVC=(n,r,o)=>{let a=n.Vertex;a=dd.substitute(a,"//VTK::PositionVC::Dec",["//VTK::PositionVC::Dec","uniform float 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}"]).result),n.Vertex=a},e.getPointPickingPrimitiveSize=()=>t.primitiveType===hd.Points?2:t.primitiveType===hd.Lines?4:6,e.getAllocatedGPUMemoryInBytes=()=>e.getCABO().getAllocatedGPUMemoryInBytes()}const yd={context:null,program:null,shaderSourceTime:null,VAO:null,attributeUpdateTime:null,CABO:null,primitiveType:0,pointPicking:!1};function bd(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,yd,n),jt.obj(e,t),t.shaderSourceTime={},jt.obj(t.shaderSourceTime),t.attributeUpdateTime={},jt.obj(t.attributeUpdateTime),jt.setGet(e,t,["program","shaderSourceTime","VAO","attributeUpdateTime","CABO","primitiveType","pointPicking"]),t.program=dd.newInstance(),t.VAO=md.newInstance(),t.CABO=td.newInstance(),vd(e,t)}var xd={newInstance:jt.newInstance(bd),extend:bd,primTypes:hd};const Td={CLAMP_TO_EDGE:0,REPEAT:1,MIRRORED_REPEAT:2},Cd={NEAREST:0,LINEAR:1,NEAREST_MIPMAP_NEAREST:2,NEAREST_MIPMAP_LINEAR:3,LINEAR_MIPMAP_NEAREST:4,LINEAR_MIPMAP_LINEAR:5};var Sd={Wrap:Td,Filter:Cd};const Pd=new Float32Array(1),Ad=new Int32Array(Pd.buffer);var Id={fromHalf:function(e){const t=(32768&e)>>15,n=(31744&e)>>10,r=1023&e;return 0===n?(t?-1:1)*2**-14*(r/1024):31===n?r?NaN:1/0*(t?-1:1):(t?-1:1)*2**(n-15)*(1+r/1024)},toHalf:function(e){Pd[0]=e;const t=Ad[0];let n=t>>16&32768,r=t>>12&2047;const o=t>>23&255;return o<103?n:o>142?(n|=31744,n|=(255===o?0:1)&&8388607&t,n):o<113?(r|=2048,n|=(r>>114-o)+(r>>113-o&1),n):(n|=o-112<<10|r>>1,n+=1&r,n)}};const{Wrap:wd,Filter:Od}=Sd,{VtkDataTypes:Md}=Es,{vtkDebugMacro:Rd,vtkErrorMacro:Vd,vtkWarningMacro:Ed}=Kt,{toHalf:Dd}=Id;function Ld(e,t){function n(e,n){let r=arguments.length>2&&void 0!==arguments[2]&&arguments[2];const o=[];let a=t.width*t.height*t.components;if(r&&(a*=t.depth),e!==Md.FLOAT&&t.openGLDataType===t.context.FLOAT)for(let e=0;ea?n[e].subarray(0,a):n[e];o.push(new Float32Array(t))}else o.push(null);if(e!==Md.UNSIGNED_CHAR&&t.openGLDataType===t.context.UNSIGNED_BYTE)for(let e=0;ea?n[e].subarray(0,a):n[e];o.push(new Uint8Array(t))}else o.push(null);let i=!1;if(t._openGLRenderWindow.getWebgl2())i=t.openGLDataType===t.context.HALF_FLOAT;else{const e=t.context.getExtension("OES_texture_half_float");i=e&&t.openGLDataType===e.HALF_FLOAT_OES}if(i)for(let e=0;e=o&&(c=o-1);const m=i-l,h=1-m;l=l*r*a,c=c*r*a;for(let t=0;t=r&&(p=r-1);const v=i-s;s*=a,p*=a;for(let t=0;t2048||o<-2048||o>2048)return!1}return!0}(r,o)||a);t.useHalfFloat=s}(a,c.offset,c.scale,r),t.useHalfFloat||e.getOpenGLDataType(a,!0),{numComps:o,dataType:a,data:i,scaleOffsets:c}}t.classHierarchy.push("vtkOpenGLTexture"),e.render=function(){let n=arguments.length>0&&void 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n=t.renderable.getCanvas();e.create2DFromRaw(n.width,n.height,4,Md.UNSIGNED_CHAR,n,!0),e.activate(),e.sendParameters(),t.textureBuildTime.modified()}if(null!==t.renderable.getJsImageData()){const n=t.renderable.getJsImageData();t.renderable.getInterpolate()&&(t.generateMipmap=!0,e.setMinificationFilter(Od.LINEAR_MIPMAP_LINEAR)),e.create2DFromRaw(n.width,n.height,4,Md.UNSIGNED_CHAR,n.data,!0),e.activate(),e.sendParameters(),t.textureBuildTime.modified()}const n=t.renderable.getInputData(0);if(n&&n.getPointData().getScalars()){const r=n.getExtent(),o=n.getPointData().getScalars(),a=[];for(let e=0;e{e.deactivate(),t.context&&t.handle&&t.context.deleteTexture(t.handle),t.handle=0,t.numberOfDimensions=0,t.target=0,t.components=0,t.width=0,t.height=0,t.depth=0,e.resetFormatAndType()},e.createTexture=()=>{t.handle||(t.handle=t.context.createTexture(),t.target&&(t.context.bindTexture(t.target,t.handle),t.context.texParameteri(t.target,t.context.TEXTURE_MIN_FILTER,e.getOpenGLFilterMode(t.minificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_MAG_FILTER,e.getOpenGLFilterMode(t.magnificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_S,e.getOpenGLWrapMode(t.wrapS)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_T,e.getOpenGLWrapMode(t.wrapT)),t._openGLRenderWindow.getWebgl2()&&t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_R,e.getOpenGLWrapMode(t.wrapR)),t.context.bindTexture(t.target,null)))},e.getTextureUnit=()=>t._openGLRenderWindow?t._openGLRenderWindow.getTextureUnitForTexture(e):-1,e.activate=()=>{t._openGLRenderWindow.activateTexture(e),e.bind()},e.deactivate=()=>{t._openGLRenderWindow&&t._openGLRenderWindow.deactivateTexture(e)},e.releaseGraphicsResources=n=>{n&&t.handle&&(n.activateTexture(e),n.deactivateTexture(e),t.context.deleteTexture(t.handle),t.handle=0,t.numberOfDimensions=0,t.target=0,t.internalFormat=0,t.format=0,t.openGLDataType=0,t.components=0,t.width=0,t.height=0,t.depth=0,t.allocatedGPUMemoryInBytes=0),t.shaderProgram&&(t.shaderProgram.releaseGraphicsResources(n),t.shaderProgram=null)},e.bind=()=>{t.context.bindTexture(t.target,t.handle),t.autoParameters&&e.getMTime()>t.sendParametersTime.getMTime()&&e.sendParameters()},e.isBound=()=>{let e=!1;if(t.context&&t.handle){let n=0;t.target===t.context.TEXTURE_2D?n=t.context.TEXTURE_BINDING_2D:Ed("impossible case"),e=t.context.getIntegerv(n)===t.handle}return e},e.sendParameters=()=>{t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_S,e.getOpenGLWrapMode(t.wrapS)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_T,e.getOpenGLWrapMode(t.wrapT)),t._openGLRenderWindow.getWebgl2()&&t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_R,e.getOpenGLWrapMode(t.wrapR)),t.context.texParameteri(t.target,t.context.TEXTURE_MIN_FILTER,e.getOpenGLFilterMode(t.minificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_MAG_FILTER,e.getOpenGLFilterMode(t.magnificationFilter)),t._openGLRenderWindow.getWebgl2()&&(t.context.texParameteri(t.target,t.context.TEXTURE_BASE_LEVEL,t.baseLevel),t.context.texParameteri(t.target,t.context.TEXTURE_MAX_LEVEL,t.maxLevel)),t.sendParametersTime.modified()},e.getInternalFormat=(n,r)=>(t._forceInternalFormat||(t.internalFormat=e.getDefaultInternalFormat(n,r)),t.internalFormat||Rd(`Unable to find suitable internal format for T=${n} NC= ${r}`),t.internalFormat),e.getDefaultInternalFormat=(e,n)=>{let r=0;return r=t._openGLRenderWindow.getDefaultTextureInternalFormat(e,n,t.oglNorm16Ext,t.useHalfFloat),r||(r||(Rd("Unsupported internal texture type!"),Rd(`Unable to find suitable internal format for T=${e} NC= ${n}`)),r)},e.setInternalFormat=n=>{t._forceInternalFormat=!0,n!==t.internalFormat&&(t.internalFormat=n,e.modified())},e.getFormat=(n,r)=>(t.format=e.getDefaultFormat(n,r),t.format),e.getDefaultFormat=(e,n)=>{if(t._openGLRenderWindow.getWebgl2())switch(n){case 1:return t.context.RED;case 2:return t.context.RG;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}else switch(n){case 1:return t.context.LUMINANCE;case 2:return t.context.LUMINANCE_ALPHA;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}},e.resetFormatAndType=()=>{t.format=0,t.internalFormat=0,t._forceInternalFormat=!1,t.openGLDataType=0},e.getDefaultDataType=e=>{if(t._openGLRenderWindow.getWebgl2())switch(e){case Md.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case t.oglNorm16Ext&&!t.useHalfFloat&&Md.SHORT:return t.context.SHORT;case t.oglNorm16Ext&&!t.useHalfFloat&&Md.UNSIGNED_SHORT:return t.context.UNSIGNED_SHORT;case t.useHalfFloat&&Md.SHORT:case t.useHalfFloat&&Md.UNSIGNED_SHORT:return t.context.HALF_FLOAT;case Md.FLOAT:case Md.VOID:default:return t.context.FLOAT}switch(e){case Md.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case Md.FLOAT:case Md.VOID:default:if(t.context.getExtension("OES_texture_float")&&t.context.getExtension("OES_texture_float_linear"))return t.context.FLOAT;{const e=t.context.getExtension("OES_texture_half_float");if(e&&t.context.getExtension("OES_texture_half_float_linear"))return e.HALF_FLOAT_OES}return t.context.UNSIGNED_BYTE}},e.getOpenGLDataType=function(n){let r=arguments.length>1&&void 0!==arguments[1]&&arguments[1];return t.openGLDataType&&!r||(t.openGLDataType=e.getDefaultDataType(n)),t.openGLDataType},e.getShiftAndScale=()=>{let e=0,n=1;switch(t.openGLDataType){case t.context.BYTE:n=127.5,e=n-128;break;case t.context.UNSIGNED_BYTE:n=255,e=0;break;case t.context.SHORT:n=32767.5,e=n-32768;break;case t.context.UNSIGNED_SHORT:n=65536,e=0;break;case t.context.INT:n=2147483647.5,e=n-2147483648;break;case t.context.UNSIGNED_INT:n=4294967295,e=0;case t.context.FLOAT:}return{shift:e,scale:n}},e.getOpenGLFilterMode=e=>{switch(e){case Od.NEAREST:return t.context.NEAREST;case Od.LINEAR:return t.context.LINEAR;case Od.NEAREST_MIPMAP_NEAREST:return t.context.NEAREST_MIPMAP_NEAREST;case Od.NEAREST_MIPMAP_LINEAR:return t.context.NEAREST_MIPMAP_LINEAR;case Od.LINEAR_MIPMAP_NEAREST:return t.context.LINEAR_MIPMAP_NEAREST;case Od.LINEAR_MIPMAP_LINEAR:return t.context.LINEAR_MIPMAP_LINEAR;default:return t.context.NEAREST}},e.getOpenGLWrapMode=e=>{switch(e){case wd.CLAMP_TO_EDGE:return t.context.CLAMP_TO_EDGE;case wd.REPEAT:return t.context.REPEAT;case wd.MIRRORED_REPEAT:return t.context.MIRRORED_REPEAT;default:return t.context.CLAMP_TO_EDGE}},e.create2DFromRaw=function(a,i,s,l,c){let u=arguments.length>5&&void 0!==arguments[5]&&arguments[5];if(e.getOpenGLDataType(l,!0),e.getInternalFormat(l,s),e.getFormat(l,s),!t.internalFormat||!t.format||!t.openGLDataType)return Vd("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=s,t.width=a,t.height=i,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=[c],p=n(l,d),f=r(p);return t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,u),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(l)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=f[0]&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,f[0])):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,f[0]),t.generateMipmap&&t.context.generateMipmap(t.target),u&&t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,!1),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*s*t._openGLRenderWindow.getDefaultTextureByteSize(l,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.createCubeFromRaw=(a,i,s,l,c)=>{if(e.getOpenGLDataType(l),e.getInternalFormat(l,s),e.getFormat(l,s),!t.internalFormat||!t.format||!t.openGLDataType)return Vd("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_CUBE_MAP,t.components=s,t.width=a,t.height=i,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),t.maxLevel=c.length/6-1,e.createTexture(),e.bind();const u=r(n(l,c)),d=[];let p=t.width,f=t.height;for(let e=0;e=1&&a>=1;){let i=null;n<=t.maxLevel&&(i=d[6*n+e]),o(l)?null!=i&&t.context.texSubImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,0,0,r,a,t.format,t.openGLDataType,i):t.context.texImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,t.internalFormat,r,a,0,t.format,t.openGLDataType,i),n++,r/=2,a/=2}}return t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*s*t._openGLRenderWindow.getDefaultTextureByteSize(l,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.createDepthFromRaw=(n,r,a,i)=>(e.getOpenGLDataType(a),t.format=t.context.DEPTH_COMPONENT,t._openGLRenderWindow.getWebgl2()?a===Md.FLOAT?t.internalFormat=t.context.DEPTH_COMPONENT32F:t.internalFormat=t.context.DEPTH_COMPONENT16:t.internalFormat=t.context.DEPTH_COMPONENT,t.internalFormat&&t.format&&t.openGLDataType?(t.target=t.context.TEXTURE_2D,t.components=1,t.width=n,t.height=r,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(a)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=i&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,i)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,i),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(a,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0):(Vd("Failed to determine texture parameters."),!1)),e.create2DFromImage=n=>{if(e.getOpenGLDataType(Md.UNSIGNED_CHAR),e.getInternalFormat(Md.UNSIGNED_CHAR,4),e.getFormat(Md.UNSIGNED_CHAR,4),!t.internalFormat||!t.format||!t.openGLDataType)return Vd("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=4,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1);const r=!(t._openGLRenderWindow.getWebgl2()||_o(n.width)&&_o(n.height)),a=document.createElement("canvas");a.width=r?Fo(n.width):n.width,a.height=r?Fo(n.height):n.height,t.width=a.width,t.height=a.height;const i=a.getContext("2d");i.translate(0,a.height),i.scale(1,-1),i.drawImage(n,0,0,n.width,n.height,0,0,a.width,a.height);const s=a;return o(Md.UNSIGNED_CHAR)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=s&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,s)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,s),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(Md.UNSIGNED_CHAR,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.create2DFilterableFromRaw=function(t,n,r,o,a){let i=arguments.length>5&&void 0!==arguments[5]&&arguments[5];return e.create2DFilterableFromDataArray(t,n,Es.newInstance({numberOfComponents:r,dataType:o,values:a}),i)},e.create2DFilterableFromDataArray=function(t,n,r){let o=arguments.length>3&&void 0!==arguments[3]&&arguments[3];const{numComps:i,dataType:s,data:l}=a(r,o);e.create2DFromRaw(t,n,i,s,l)},e.create3DFromRaw=(a,i,s,l,c,u)=>{if(e.getOpenGLDataType(c),e.getInternalFormat(c,l),e.getFormat(c,l),!t.internalFormat||!t.format||!t.openGLDataType)return Vd("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_3D,t.components=l,t.width=a,t.height=i,t.depth=s,t.numberOfDimensions=3,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=r(n(c,[u],!0));return t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(c)?(t.context.texStorage3D(t.target,1,t.internalFormat,t.width,t.height,t.depth),null!=d[0]&&t.context.texSubImage3D(t.target,0,0,0,0,t.width,t.height,t.depth,t.format,t.openGLDataType,d[0])):t.context.texImage3D(t.target,0,t.internalFormat,t.width,t.height,t.depth,0,t.format,t.openGLDataType,d[0]),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(c,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.create3DFilterableFromRaw=function(t,n,r,o,a,i){let s=arguments.length>6&&void 0!==arguments[6]&&arguments[6];return e.create3DFilterableFromDataArray(t,n,r,Es.newInstance({numberOfComponents:o,dataType:a,values:i}),s)},e.create3DFilterableFromDataArray=function(n,r,i,s){let l=arguments.length>4&&void 0!==arguments[4]&&arguments[4];const{numComps:c,dataType:u,data:d,scaleOffsets:p}=a(s,l),f=n*r*i,g=[],m=[];for(let e=0;e1/e));for(let e=0;e{e[t]=n},y=Md.UNSIGNED_CHAR;if(u===Md.UNSIGNED_CHAR)for(let e=0;e{e[t]=(n-r)/o}):(y=Md.UNSIGNED_CHAR,v=(e,t,n,r,o)=>{e[t]=255*(n-r)/o});if(e.getOpenGLDataType(y),e.getInternalFormat(y,c),e.getFormat(y,c),!t.internalFormat||!t.format||!t.openGLDataType)return Vd("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=c,t.depth=1,t.numberOfDimensions=2;let b=t.context.getParameter(t.context.MAX_TEXTURE_SIZE);b>4096&&(y===Md.FLOAT||c>=3)&&(b=4096);let x=1,T=1;f>b*b&&(x=Math.ceil(Math.sqrt(f/(b*b))),T=x);let C=Math.sqrt(f)/x;C=Fo(C);const S=Math.floor(C*x/n),P=Math.ceil(i/S),A=Fo(r*P/T);let I;t.width=C,t.height=A,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.volumeInfo.xreps=S,t.volumeInfo.yreps=P,t.volumeInfo.xstride=x,t.volumeInfo.ystride=T,t.volumeInfo.offset=h.offset,t.volumeInfo.scale=h.scale;const w=C*A*c;I=y===Md.FLOAT?new Float32Array(w):new Uint8Array(w);let O=0;const M=Math.floor(n/x),R=Math.floor(r/T);for(let e=0;e{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.getMaximumTextureSize=e=>e&&e.isCurrent()?e.getIntegerv(e.MAX_TEXTURE_SIZE):-1}const Bd={_openGLRenderWindow:null,_forceInternalFormat:!1,context:null,handle:0,sendParametersTime:null,textureBuildTime:null,numberOfDimensions:0,target:0,format:0,openGLDataType:0,components:0,width:0,height:0,depth:0,autoParameters:!0,wrapS:wd.CLAMP_TO_EDGE,wrapT:wd.CLAMP_TO_EDGE,wrapR:wd.CLAMP_TO_EDGE,minificationFilter:Od.NEAREST,magnificationFilter:Od.NEAREST,minLOD:-1e3,maxLOD:1e3,baseLevel:0,maxLevel:1e3,generateMipmap:!1,useHalfFloat:!0,oglNorm16Ext:null,allocatedGPUMemoryInBytes:0};function Nd(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Bd,n),Zt.extend(e,t,n),t.sendParametersTime={},yt(t.sendParametersTime,{mtime:0}),t.textureBuildTime={},yt(t.textureBuildTime,{mtime:0}),St(e,t,["format","openGLDataType"]),Pt(e,t,["keyMatrixTime","minificationFilter","magnificationFilter","wrapS","wrapT","wrapR","generateMipmap","oglNorm16Ext"]),xt(e,t,["width","height","volumeInfo","components","handle","target","allocatedGPUMemoryInBytes"]),Ot(0,t,["openGLRenderWindow"]),Ld(e,t)}const kd=Et(Nd,"vtkOpenGLTexture");var Fd={newInstance:kd,extend:Nd,...Sd};rn("vtkTexture",kd);var _d="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexMC;\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// optional normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// material property values\n//VTK::Color::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// picking support\n//VTK::Picking::Dec\n\nvoid main()\n{\n //VTK::Color::Impl\n\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Clip::Impl\n\n //VTK::PrimID::Impl\n\n //VTK::PositionVC::Impl\n\n //VTK::Light::Impl\n\n //VTK::Picking::Impl\n}\n",Gd="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the polydata mappers fragment shader\n\nuniform int PrimitiveIDOffset;\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// optional color passed in from the vertex shader, vertexColor\n//VTK::Color::Dec\n\n// optional surface normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// Depth Peeling Support\n//VTK::DepthPeeling::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// label outline \n//VTK::LabelOutline::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n//VTK::LabelOutlineHelperFunction\n\nvoid main()\n{\n // VC position of this fragment. This should not branch/return/discard.\n //VTK::PositionVC::Impl\n\n // Place any calls that require uniform flow (e.g. dFdx) here.\n //VTK::UniformFlow::Impl\n\n // Set gl_FragDepth here (gl_FragCoord.z by default)\n //VTK::Depth::Impl\n\n // Early depth peeling abort:\n //VTK::DepthPeeling::PreColor\n\n // Apple Bug\n //VTK::PrimID::Impl\n\n //VTK::Clip::Impl\n\n //VTK::Color::Impl\n\n // Generate the normal if we are not passed in one\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Light::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n\n //VTK::DepthPeeling::Impl\n\n //VTK::Picking::Impl\n\n // handle coincident offsets\n //VTK::Coincident::Impl\n\n //VTK::ZBuffer::Impl\n\n //VTK::RenderPassFragmentShader::Impl\n}\n",Ud=function(e,t){e.replaceShaderCoincidentOffset=(n,r,o)=>{const a=e.getCoincidentParameters(r,o);if(a&&(0!==a.factor||0!==a.offset)){let e=n.Fragment;e=dd.substitute(e,"//VTK::Coincident::Dec",["uniform float cfactor;","uniform float coffset;"]).result,t.context.getExtension("EXT_frag_depth")&&(0!==a.factor?(e=dd.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=dd.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=dd.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + 0.000016*coffset;").result),t._openGLRenderWindow.getWebgl2()&&(0!==a.factor?(e=dd.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=dd.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=dd.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + 0.000016*coffset;").result),n.Fragment=e}}},zd=function(e,t){e.applyShaderReplacements=(e,t,n)=>{let r=null;if(t&&(r=t.ShaderReplacements),r)for(let t=0;t{e.getReplacedShaderTemplate(n,r,o),t.lastRenderPassShaderReplacement=t.currentRenderPass?t.currentRenderPass.getShaderReplacement():null,t.lastRenderPassShaderReplacement&&t.lastRenderPassShaderReplacement(n);const a=t.renderable.getViewSpecificProperties().OpenGL;e.applyShaderReplacements(n,a,!0),e.replaceShaderValues(n,r,o),e.applyShaderReplacements(n,a)},e.getReplacedShaderTemplate=(n,r,o)=>{const a=t.renderable.getViewSpecificProperties().OpenGL;e.getShaderTemplate(n,r,o);let i=n.Vertex;if(a){const e=a.VertexShaderCode;void 0!==e&&""!==e&&(i=e)}n.Vertex=i;let s=n.Fragment;if(a){const e=a.FragmentShaderCode;void 0!==e&&""!==e&&(s=e)}n.Fragment=s;let l=n.Geometry;if(a){const e=a.GeometryShaderCode;void 0!==e&&(l=e)}n.Geometry=l}};const{FieldAssociations:Wd}=al,{primTypes:Hd}=xd,{Representation:jd,Shading:Kd}=ds,{ScalarMode:$d}=oc,{Filter:qd,Wrap:Xd}=Fd,{vtkErrorMacro:Yd}=Kt,Zd={type:"StartEvent"},Qd={type:"EndEvent"},{CoordinateSystem:Jd}=Zi;function ep(e,t){function n(e,t,n){return t.identity(n),e.reduce(((e,n,r)=>0===r?n?t.copy(e,n):t.identity(e):n?t.multiply(e,e,n):e),n)}t.classHierarchy.push("vtkOpenGLPolyDataMapper"),e.buildPass=n=>{n&&(t.currentRenderPass=null,t.openGLActor=e.getFirstAncestorOfType("vtkOpenGLActor"),t._openGLRenderer=t.openGLActor.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.openGLCamera=t._openGLRenderer.getViewNodeFor(t._openGLRenderer.getRenderable().getActiveCamera()))},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.render=()=>{const n=t._openGLRenderWindow.getContext();if(t.context!==n){t.context=n;for(let e=Hd.Start;e{e.Vertex=_d,e.Fragment=Gd,e.Geometry=""},e.replaceShaderColor=(e,n,r)=>{let o=e.Vertex,a=e.Geometry,i=e.Fragment;const s=t.lastBoundBO.getReferenceByName("lastLightComplexity");let l=["uniform float ambient;","uniform float diffuse;","uniform float specular;","uniform float opacityUniform; // the fragment opacity","uniform vec3 ambientColorUniform;","uniform vec3 diffuseColorUniform;"];s&&(l=l.concat(["uniform vec3 specularColorUniform;","uniform float specularPowerUniform;"]));let c=["vec3 ambientColor;"," vec3 diffuseColor;"," float opacity;"];s&&(c=c.concat([" vec3 specularColor;"," float specularPower;"])),c=c.concat([" ambientColor = ambientColorUniform;"," diffuseColor = diffuseColorUniform;"," opacity = opacityUniform;"]),s&&(c=c.concat([" specularColor = specularColorUniform;"," specularPower = specularPowerUniform;"])),0===t.lastBoundBO.getCABO().getColorComponents()||t.drawingEdges||(l=l.concat(["varying vec4 vertexColorVSOutput;"]),o=dd.substitute(o,"//VTK::Color::Dec",["attribute vec4 scalarColor;","varying vec4 vertexColorVSOutput;"]).result,o=dd.substitute(o,"//VTK::Color::Impl",["vertexColorVSOutput = scalarColor;"]).result,a=dd.substitute(a,"//VTK::Color::Dec",["in vec4 vertexColorVSOutput[];","out vec4 vertexColorGSOutput;"]).result,a=dd.substitute(a,"//VTK::Color::Impl",["vertexColorGSOutput = vertexColorVSOutput[i];"]).result),0===t.lastBoundBO.getCABO().getColorComponents()||t.drawingEdges?t.renderable.getInterpolateScalarsBeforeMapping()&&t.renderable.getColorCoordinates()&&!t.drawingEdges?i=dd.substitute(i,"//VTK::Color::Impl",c.concat([" vec4 texColor = texture2D(texture1, tcoordVCVSOutput.st);"," diffuseColor = texColor.rgb;"," ambientColor = texColor.rgb;"," opacity = opacity*texColor.a;"])).result:(r.getBackfaceProperty()&&!t.drawingEdges&&(l=l.concat(["uniform float opacityUniformBF; // the fragment opacity","uniform float ambientIntensityBF; // the material ambient","uniform float diffuseIntensityBF; // the material diffuse","uniform vec3 ambientColorUniformBF; // ambient material color","uniform vec3 diffuseColorUniformBF; // diffuse material color"]),s?(l=l.concat(["uniform float specularIntensityBF; // the material specular intensity","uniform vec3 specularColorUniformBF; // intensity weighted color","uniform float specularPowerUniformBF;"]),c=c.concat(["if (gl_FrontFacing == false) {"," ambientColor = ambientIntensityBF * ambientColorUniformBF;"," diffuseColor = diffuseIntensityBF * diffuseColorUniformBF;"," specularColor = specularIntensityBF * specularColorUniformBF;"," specularPower = specularPowerUniformBF;"," opacity = opacityUniformBF; }"])):c=c.concat(["if (gl_FrontFacing == false) {"," ambientColor = ambientIntensityBF * ambientColorUniformBF;"," diffuseColor = diffuseIntensityBF * diffuseColorUniformBF;"," opacity = opacityUniformBF; }"])),t.haveCellScalars&&!t.drawingEdges&&(l=l.concat(["uniform samplerBuffer texture1;"])),i=dd.substitute(i,"//VTK::Color::Impl",c).result):i=dd.substitute(i,"//VTK::Color::Impl",c.concat([" diffuseColor = vertexColorVSOutput.rgb;"," ambientColor = vertexColorVSOutput.rgb;"," opacity = opacity*vertexColorVSOutput.a;"])).result,i=dd.substitute(i,"//VTK::Color::Dec",l).result,e.Vertex=o,e.Geometry=a,e.Fragment=i},e.replaceShaderLight=(e,n,r)=>{let o=e.Fragment;const a=t.lastBoundBO.getReferenceByName("lastLightComplexity"),i=t.lastBoundBO.getReferenceByName("lastLightCount");let s=[];switch(a){case 0:o=dd.substitute(o,"//VTK::Light::Impl",[" gl_FragData[0] = vec4(ambientColor * ambient + diffuseColor * diffuse, opacity);"," //VTK::Light::Impl"],!1).result;break;case 1:o=dd.substitute(o,"//VTK::Light::Impl",[" float df = max(0.0, normalVCVSOutput.z);"," float sf = pow(df, specularPower);"," vec3 diffuseL = df * diffuseColor;"," vec3 specularL = sf * specularColor;"," gl_FragData[0] = vec4(ambientColor * ambient + diffuseL * diffuse + specularL * specular, opacity);"," //VTK::Light::Impl"],!1).result;break;case 2:for(let e=0;e= cos(radians(lightConeAngle${e})))`," {",` attenuation = attenuation * pow(coneDot, lightExponent${e});`," }"," else"," {"," attenuation = 0.0;"," }"," }"," }"," df = max(0.0, attenuation*dot(normalVCVSOutput, -vertLightDirectionVC));",` diffuseL += ((df) * lightColor${e});`," if (dot(normalVCVSOutput, vertLightDirectionVC) < 0.0)"," {",` float sf = sign(df)*attenuation*pow(max(1e-5,\n dot(reflect(lightDirectionVC${e},\n normalVCVSOutput),\n normalize(-vertexVC.xyz))),\n specularPower);`,` specularL += ((sf) * lightColor${e});`," }"]);s=s.concat([" diffuseL = diffuseL * diffuseColor;"," specularL = specularL * specularColor;"," gl_FragData[0] = vec4(ambientColor * ambient + diffuseL * diffuse + specularL * specular, opacity);"," //VTK::Light::Impl"]),o=dd.substitute(o,"//VTK::Light::Impl",s,!1).result;break;default:Yd("bad light complexity")}e.Fragment=o},e.replaceShaderNormal=(e,n,r)=>{if(t.lastBoundBO.getReferenceByName("lastLightComplexity")>0){let n=e.Vertex,o=e.Geometry,a=e.Fragment;t.lastBoundBO.getCABO().getNormalOffset()?(n=dd.substitute(n,"//VTK::Normal::Dec",["attribute vec3 normalMC;","uniform mat3 normalMatrix;","varying vec3 normalVCVSOutput;"]).result,n=dd.substitute(n,"//VTK::Normal::Impl",["normalVCVSOutput = normalMatrix * normalMC;"]).result,o=dd.substitute(o,"//VTK::Normal::Dec",["in vec3 normalVCVSOutput[];","out vec3 normalVCGSOutput;"]).result,o=dd.substitute(o,"//VTK::Normal::Impl",["normalVCGSOutput = normalVCVSOutput[i];"]).result,a=dd.substitute(a,"//VTK::Normal::Dec",["varying vec3 normalVCVSOutput;"]).result,a=dd.substitute(a,"//VTK::Normal::Impl",["vec3 normalVCVSOutput = normalize(normalVCVSOutput);"," if (gl_FrontFacing == false) { normalVCVSOutput = -normalVCVSOutput; }"]).result):t.haveCellNormals?(a=dd.substitute(a,"//VTK::Normal::Dec",["uniform mat3 normalMatrix;","uniform samplerBuffer textureN;"]).result,a=dd.substitute(a,"//VTK::Normal::Impl",["vec3 normalVCVSOutput = normalize(normalMatrix *"," texelFetchBuffer(textureN, gl_PrimitiveID + PrimitiveIDOffset).xyz);"," if (gl_FrontFacing == false) { normalVCVSOutput = -normalVCVSOutput; }"]).result):t.lastBoundBO.getOpenGLMode(r.getProperty().getRepresentation())===t.context.LINES?(a=dd.substitute(a,"//VTK::UniformFlow::Impl",[" vec3 fdx = dFdx(vertexVC.xyz);"," vec3 fdy = dFdy(vertexVC.xyz);"," //VTK::UniformFlow::Impl"]).result,a=dd.substitute(a,"//VTK::Normal::Impl",["vec3 normalVCVSOutput;"," if (abs(fdx.x) > 0.0)"," { fdx = normalize(fdx); normalVCVSOutput = normalize(cross(vec3(fdx.y, -fdx.x, 0.0), fdx)); }"," else { fdy = normalize(fdy); normalVCVSOutput = normalize(cross(vec3(fdy.y, -fdy.x, 0.0), fdy));}"]).result):(a=dd.substitute(a,"//VTK::Normal::Dec",["uniform int cameraParallel;"]).result,a=dd.substitute(a,"//VTK::UniformFlow::Impl",[" vec3 fdx = dFdx(vertexVC.xyz);"," vec3 fdy = dFdy(vertexVC.xyz);"," //VTK::UniformFlow::Impl"]).result,a=dd.substitute(a,"//VTK::Normal::Impl",[" fdx = normalize(fdx);"," fdy = normalize(fdy);"," vec3 normalVCVSOutput = normalize(cross(fdx,fdy));"," if (cameraParallel == 1 && normalVCVSOutput.z < 0.0) { normalVCVSOutput = -1.0*normalVCVSOutput; }"," if (cameraParallel == 0 && dot(normalVCVSOutput,vertexVC.xyz) > 0.0) { normalVCVSOutput = -1.0*normalVCVSOutput; }"]).result),e.Vertex=n,e.Geometry=o,e.Fragment=a}},e.replaceShaderPositionVC=(e,n,r)=>{t.lastBoundBO.replaceShaderPositionVC(e,n,r);let o=e.Vertex,a=e.Geometry,i=e.Fragment;t.lastBoundBO.getReferenceByName("lastLightComplexity")>0?(o=dd.substitute(o,"//VTK::PositionVC::Dec",["varying vec4 vertexVCVSOutput;"]).result,o=dd.substitute(o,"//VTK::PositionVC::Impl",["vertexVCVSOutput = MCVCMatrix * vertexMC;"," gl_Position = MCPCMatrix * vertexMC;"]).result,o=dd.substitute(o,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;","uniform mat4 MCVCMatrix;"]).result,a=dd.substitute(a,"//VTK::PositionVC::Dec",["in vec4 vertexVCVSOutput[];","out vec4 vertexVCGSOutput;"]).result,a=dd.substitute(a,"//VTK::PositionVC::Impl",["vertexVCGSOutput = vertexVCVSOutput[i];"]).result,i=dd.substitute(i,"//VTK::PositionVC::Dec",["varying vec4 vertexVCVSOutput;"]).result,i=dd.substitute(i,"//VTK::PositionVC::Impl",["vec4 vertexVC = vertexVCVSOutput;"]).result):(o=dd.substitute(o,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,o=dd.substitute(o,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result),e.Vertex=o,e.Geometry=a,e.Fragment=i},e.replaceShaderTCoord=(e,n,r)=>{if(t.lastBoundBO.getCABO().getTCoordOffset()){let n=e.Vertex,r=e.Geometry,o=e.Fragment;if(t.drawingEdges)return;n=dd.substitute(n,"//VTK::TCoord::Impl","tcoordVCVSOutput = tcoordMC;").result;const a=t.openGLActor.getActiveTextures();let i=2,s=2;if(a&&a.length>0&&(i=a[0].getComponents(),a[0].getTarget()===t.context.TEXTURE_CUBE_MAP&&(s=3)),t.renderable.getColorTextureMap()&&(i=t.renderable.getColorTextureMap().getPointData().getScalars().getNumberOfComponents(),s=2),2===s){if(n=dd.substitute(n,"//VTK::TCoord::Dec","attribute vec2 tcoordMC; varying vec2 tcoordVCVSOutput;").result,r=dd.substitute(r,"//VTK::TCoord::Dec",["in vec2 tcoordVCVSOutput[];","out vec2 tcoordVCGSOutput;"]).result,r=dd.substitute(r,"//VTK::TCoord::Impl","tcoordVCGSOutput = tcoordVCVSOutput[i];").result,o=dd.substitute(o,"//VTK::TCoord::Dec",["varying vec2 tcoordVCVSOutput;","uniform sampler2D texture1;"]).result,a&&a.length>=1)switch(i){case 1:o=dd.substitute(o,"//VTK::TCoord::Impl",[" vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);"," ambientColor = ambientColor*tcolor.r;"," diffuseColor = diffuseColor*tcolor.r;"]).result;break;case 2:o=dd.substitute(o,"//VTK::TCoord::Impl",[" vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);"," ambientColor = ambientColor*tcolor.r;"," diffuseColor = diffuseColor*tcolor.r;"," opacity = opacity * tcolor.g;"]).result;break;default:o=dd.substitute(o,"//VTK::TCoord::Impl",[" vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);"," ambientColor = ambientColor*tcolor.rgb;"," diffuseColor = diffuseColor*tcolor.rgb;"," opacity = opacity * tcolor.a;"]).result}}else switch(n=dd.substitute(n,"//VTK::TCoord::Dec","attribute vec3 tcoordMC; varying vec3 tcoordVCVSOutput;").result,r=dd.substitute(r,"//VTK::TCoord::Dec",["in vec3 tcoordVCVSOutput[];","out vec3 tcoordVCGSOutput;"]).result,r=dd.substitute(r,"//VTK::TCoord::Impl","tcoordVCGSOutput = tcoordVCVSOutput[i];").result,o=dd.substitute(o,"//VTK::TCoord::Dec",["varying vec3 tcoordVCVSOutput;","uniform samplerCube texture1;"]).result,i){case 1:o=dd.substitute(o,"//VTK::TCoord::Impl",[" vec4 tcolor = textureCube(texture1, tcoordVCVSOutput);"," ambientColor = ambientColor*tcolor.r;"," diffuseColor = diffuseColor*tcolor.r;"]).result;break;case 2:o=dd.substitute(o,"//VTK::TCoord::Impl",[" vec4 tcolor = textureCube(texture1, tcoordVCVSOutput);"," ambientColor = ambientColor*tcolor.r;"," diffuseColor = diffuseColor*tcolor.r;"," opacity = opacity * tcolor.g;"]).result;break;default:o=dd.substitute(o,"//VTK::TCoord::Impl",[" vec4 tcolor = textureCube(texture1, tcoordVCVSOutput);"," ambientColor = ambientColor*tcolor.rgb;"," diffuseColor = diffuseColor*tcolor.rgb;"," opacity = opacity * tcolor.a;"]).result}e.Vertex=n,e.Geometry=r,e.Fragment=o}},e.replaceShaderClip=(e,n,r)=>{let o=e.Vertex,a=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){const e=t.renderable.getNumberOfClippingPlanes();o=dd.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;",`uniform vec4 clipPlanes[${e}];`,`varying float clipDistancesVSOutput[${e}];`]).result,o=dd.substitute(o,"//VTK::Clip::Impl",[`for (int planeNum = 0; planeNum < ${e}; planeNum++)`," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,a=dd.substitute(a,"//VTK::Clip::Dec",["uniform int numClipPlanes;",`varying float clipDistancesVSOutput[${e}];`]).result,a=dd.substitute(a,"//VTK::Clip::Impl",[`for (int planeNum = 0; planeNum < ${e}; planeNum++)`," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=a},e.getCoincidentParameters=(e,n)=>{let r={factor:0,offset:0};const o=n.getProperty();if(t.renderable.getResolveCoincidentTopology()||o.getEdgeVisibility()&&o.getRepresentation()===jd.SURFACE){const e=t.lastBoundBO.getPrimitiveType();e===Hd.Points||o.getRepresentation()===jd.POINTS?r=t.renderable.getCoincidentTopologyPointOffsetParameter():e===Hd.Lines||o.getRepresentation()===jd.WIREFRAME?r=t.renderable.getCoincidentTopologyLineOffsetParameters():e!==Hd.Tris&&e!==Hd.TriStrips||(r=t.renderable.getCoincidentTopologyPolygonOffsetParameters()),e!==Hd.TrisEdges&&e!==Hd.TriStripsEdges||(r=t.renderable.getCoincidentTopologyPolygonOffsetParameters(),r.factor/=2,r.offset/=2)}const a=t._openGLRenderer.getSelector();return a&&a.getFieldAssociation()===Wd.FIELD_ASSOCIATION_POINTS&&(r.offset-=2),r},e.replaceShaderPicking=(e,n,r)=>{let o=e.Fragment,a=e.Vertex;if(o=dd.substitute(o,"//VTK::Picking::Dec",["uniform int picking;","//VTK::Picking::Dec"]).result,t._openGLRenderer.getSelector()){switch(t.lastSelectionState!==Hl.ID_LOW24&&t.lastSelectionState!==Hl.ID_HIGH24||(a=dd.substitute(a,"//VTK::Picking::Dec",["flat out int vertexIDVSOutput;\n","uniform int VertexIDOffset;\n"]).result,a=dd.substitute(a,"//VTK::Picking::Impl"," vertexIDVSOutput = gl_VertexID + VertexIDOffset;\n").result,o=dd.substitute(o,"//VTK::Picking::Dec","flat in int vertexIDVSOutput;\n").result,o=dd.substitute(o,"//VTK::Picking::Impl",[" int idx = vertexIDVSOutput;","//VTK::Picking::Impl"]).result),t.lastSelectionState){case Hl.ID_LOW24:o=dd.substitute(o,"//VTK::Picking::Impl"," gl_FragData[0] = vec4(float(idx%256)/255.0, float((idx/256)%256)/255.0, float((idx/65536)%256)/255.0, 1.0);").result;break;case Hl.ID_HIGH24:o=dd.substitute(o,"//VTK::Picking::Impl"," gl_FragData[0] = vec4(float(idx)/255.0, 0.0, 0.0, 1.0);").result;break;default:o=dd.substitute(o,"//VTK::Picking::Dec","uniform vec3 mapperIndex;").result,o=dd.substitute(o,"//VTK::Picking::Impl"," gl_FragData[0] = picking != 0 ? vec4(mapperIndex,1.0) : gl_FragData[0];").result}e.Fragment=o,e.Vertex=a}},e.replaceShaderValues=(n,r,o)=>{if(e.replaceShaderColor(n,r,o),e.replaceShaderNormal(n,r,o),e.replaceShaderLight(n,r,o),e.replaceShaderTCoord(n,r,o),e.replaceShaderPicking(n,r,o),e.replaceShaderClip(n,r,o),e.replaceShaderCoincidentOffset(n,r,o),e.replaceShaderPositionVC(n,r,o),t.haveSeenDepthRequest){let e=n.Fragment;e=dd.substitute(e,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,e=dd.substitute(e,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result,n.Fragment=e}},e.getNeedToRebuildShaders=(e,n,r)=>{let o=0,a=0;const i=e.getPrimitiveType(),s=t.currentInput;let l=!1;const c=s.getPointData().getNormals(),u=s.getCellData().getNormals(),d=r.getProperty().getInterpolation()===Kd.FLAT,p=r.getProperty().getRepresentation(),f=e.getOpenGLMode(p,i);if(f===t.context.TRIANGLES||u&&!c||!d&&c?l=!0:d||f!==t.context.LINES||(l=!0),r.getProperty().getLighting()&&l){o=0;const e=n.getLightsByReference();for(let t=0;t0&&(a++,0===o&&(o=1)),1===o&&(a>1||1!==n.getIntensity()||!n.lightTypeIsHeadLight())&&(o=2),o<3&&n.getPositional()&&(o=3)}}let g=!1;const m=t.lastBoundBO.getReferenceByName("lastLightComplexity"),h=t.lastBoundBO.getReferenceByName("lastLightCount");return m===o&&h===a||(t.lastBoundBO.set({lastLightComplexity:o},!0),t.lastBoundBO.set({lastLightCount:a},!0),g=!0),(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(g=!0),!!(t.lastHaveSeenDepthRequest!==t.haveSeenDepthRequest||e.getShaderSourceTime().getMTime(){const o=t.renderable.getViewSpecificProperties().ShadersCallbacks;o&&o.forEach((t=>{t.callback(t.userData,e,n,r)}))},e.setMapperShaderParameters=(n,r,o)=>{if(n.getProgram().isUniformUsed("PrimitiveIDOffset")&&n.getProgram().setUniformi("PrimitiveIDOffset",t.primitiveIDOffset),n.getProgram().isUniformUsed("VertexIDOffset")&&n.getProgram().setUniformi("VertexIDOffset",t.vertexIDOffset),n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())){const e=t.lastBoundBO.getReferenceByName("lastLightComplexity");n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,!1)||Yd("Error setting vertexMC in shader VAO.")),n.getProgram().isAttributeUsed("normalMC")&&n.getCABO().getNormalOffset()&&e>0?n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"normalMC",n.getCABO().getNormalOffset(),n.getCABO().getStride(),t.context.FLOAT,3,!1)||Yd("Error setting normalMC in shader VAO."):n.getVAO().removeAttributeArray("normalMC"),t.renderable.getCustomShaderAttributes().forEach(((e,r)=>{n.getProgram().isAttributeUsed(`${e}MC`)&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),`${e}MC`,n.getCABO().getCustomData()[r].offset,n.getCABO().getStride(),t.context.FLOAT,n.getCABO().getCustomData()[r].components,!1)||Yd(`Error setting ${e}MC in shader VAO.`))})),n.getProgram().isAttributeUsed("tcoordMC")&&n.getCABO().getTCoordOffset()?n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"tcoordMC",n.getCABO().getTCoordOffset(),n.getCABO().getStride(),t.context.FLOAT,n.getCABO().getTCoordComponents(),!1)||Yd("Error setting tcoordMC in shader VAO."):n.getVAO().removeAttributeArray("tcoordMC"),n.getProgram().isAttributeUsed("scalarColor")&&n.getCABO().getColorComponents()?n.getVAO().addAttributeArray(n.getProgram(),n.getCABO().getColorBO(),"scalarColor",n.getCABO().getColorOffset(),n.getCABO().getColorBOStride(),t.context.UNSIGNED_BYTE,4,!0)||Yd("Error setting scalarColor in shader VAO."):n.getVAO().removeAttributeArray("scalarColor"),n.getAttributeUpdateTime().modified()}if(t.renderable.getNumberOfClippingPlanes()){const e=t.renderable.getNumberOfClippingPlanes(),r=[],a=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,i=a?d(t.tmpMat4,o.getMatrix()):o.getMatrix();a&&(m(i,i),b(i,i,a),m(i,i));for(let n=0;n{const o=t.lastBoundBO.getReferenceByName("lastLightComplexity");if(o<2)return;const a=e.getProgram();let i=0;const s=n.getLightsByReference();for(let e=0;e0){const e=r.getColorByReference(),o=r.getIntensity();t.lightColor[0]=e[0]*o,t.lightColor[1]=e[1]*o,t.lightColor[2]=e[2]*o;const s=r.getDirection(),l=n.getActiveCamera().getViewMatrix(),c=[...s];r.lightTypeIsSceneLight()&&(c[0]=l[0]*s[0]+l[1]*s[1]+l[2]*s[2],c[1]=l[4]*s[0]+l[5]*s[1]+l[6]*s[2],c[2]=l[8]*s[0]+l[9]*s[1]+l[10]*s[2],Xo(c)),t.lightDirection[0]=c[0],t.lightDirection[1]=c[1],t.lightDirection[2]=c[2],Xo(t.lightDirection),a.setUniform3fArray(`lightColor${i}`,t.lightColor),a.setUniform3fArray(`lightDirectionVC${i}`,t.lightDirection),i++}}if(o<3)return;const l=n.getActiveCamera().getViewMatrix();m(l,l),i=0;for(let e=0;e0){const e=t.getTransformedPosition(),n=new Float64Array(3);Dn(n,e,l),a.setUniform3fArray(`lightAttenuation${i}`,t.getAttenuationValuesByReference()),a.setUniformi(`lightPositional${i}`,t.getPositional()),a.setUniformf(`lightExponent${i}`,t.getExponent()),a.setUniformf(`lightConeAngle${i}`,t.getConeAngle()),a.setUniform3fArray(`lightPositionVC${i}`,[n[0],n[1],n[2]]),i++}}},e.setCameraShaderParameters=(e,a,i)=>{const s=e.getProgram(),l=t.openGLCamera.getKeyMatrices(a),c=a.getActiveCamera(),u=t.openGLCamera.getKeyMatrixTime().getMTime(),d=s.getLastCameraMTime(),p=e.getCABO().getCoordShiftAndScaleEnabled()?e.getCABO().getInverseShiftAndScaleMatrix():null,f=i.getIsIdentity(),m=f?{mcwc:null,normalMatrix:null}:t.openGLActor.getKeyMatrices();if(i.getCoordinateSystem()===Jd.DISPLAY){const e=t._openGLRenderer.getTiledSizeAndOrigin();g(t.tmpMat4),t.tmpMat4[0]=2/e.usize,t.tmpMat4[12]=-1,t.tmpMat4[5]=2/e.vsize,t.tmpMat4[13]=-1,b(t.tmpMat4,t.tmpMat4,p),s.setUniformMatrix("MCPCMatrix",t.tmpMat4)}else s.setUniformMatrix("MCPCMatrix",n([l.wcpc,m.mcwc,p],r,t.tmpMat4));s.isUniformUsed("MCVCMatrix")&&s.setUniformMatrix("MCVCMatrix",n([l.wcvc,m.mcwc,p],r,t.tmpMat4)),s.isUniformUsed("normalMatrix")&&s.setUniformMatrix3x3("normalMatrix",n([l.normalMatrix,m.normalMatrix],o,t.tmpMat3)),d!==u&&(s.isUniformUsed("cameraParallel")&&s.setUniformi("cameraParallel",c.getParallelProjection()),s.setLastCameraMTime(u)),f||s.setLastCameraMTime(0)},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram();let a=r.getProperty(),i=a.getOpacity(),s=t.drawingEdges?a.getEdgeColorByReference():a.getAmbientColorByReference(),l=t.drawingEdges?a.getEdgeColorByReference():a.getDiffuseColorByReference(),c=t.drawingEdges?1:a.getAmbient(),u=t.drawingEdges?0:a.getDiffuse(),d=t.drawingEdges?0:a.getSpecular();const p=a.getSpecularPower();o.setUniformf("opacityUniform",i),o.setUniform3fArray("ambientColorUniform",s),o.setUniform3fArray("diffuseColorUniform",l),o.setUniformf("ambient",c),o.setUniformf("diffuse",u);const f=t.lastBoundBO.getReferenceByName("lastLightComplexity");if(f<1)return;let g=a.getSpecularColorByReference();if(o.setUniform3fArray("specularColorUniform",g),o.setUniformf("specularPowerUniform",p),o.setUniformf("specular",d),o.isUniformUsed("ambientIntensityBF")){if(a=r.getBackfaceProperty(),i=a.getOpacity(),s=a.getAmbientColor(),c=a.getAmbient(),l=a.getDiffuseColor(),u=a.getDiffuse(),g=a.getSpecularColor(),d=a.getSpecular(),o.setUniformf("ambientIntensityBF",c),o.setUniformf("diffuseIntensityBF",u),o.setUniformf("opacityUniformBF",i),o.setUniform3fArray("ambientColorUniformBF",s),o.setUniform3fArray("diffuseColorUniformBF",l),f<1)return;o.setUniformf("specularIntensityBF",d),o.setUniform3fArray("specularColorUniformBF",g),o.setUniformf("specularPowerUniformBF",p)}},e.updateMaximumPointCellIds=(e,n)=>{const r=t._openGLRenderer.getSelector();if(r){if(t.selectionWebGLIdsToVTKIds?.points?.length){const e=t.selectionWebGLIdsToVTKIds.points.length;r.setMaximumPointId(e-1)}if(t.selectionWebGLIdsToVTKIds?.cells?.length){const e=t.selectionWebGLIdsToVTKIds.cells.length;r.setMaximumCellId(e-1)}r.getFieldAssociation()===Wd.FIELD_ASSOCIATION_POINTS&&(t.pointPicking=!0)}},e.renderPieceStart=(n,r)=>{t.primitiveIDOffset=0,t.vertexIDOffset=0;const o=function(e){const t=e.getSelector();return t?t.getCurrentPass():Hl.MIN_KNOWN_PASS-1}(t._openGLRenderer);t.lastSelectionState!==o&&(t.selectionStateChanged.modified(),t.lastSelectionState=o),t._openGLRenderer.getSelector()&&t._openGLRenderer.getSelector().renderProp(r),e.updateBufferObjects(n,r),t.renderable.getColorTextureMap()&&t.internalColorTexture.activate(),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=r.getProperty().getRepresentation(),a=r.getProperty().getEdgeVisibility()&&o===jd.SURFACE,i=t._openGLRenderer.getSelector(),s=i&&i.getFieldAssociation()===Wd.FIELD_ASSOCIATION_POINTS&&(t.lastSelectionState===Hl.ID_LOW24||t.lastSelectionState===Hl.ID_HIGH24);for(let i=Hd.Start;i=0)||(t.lastBoundBO=t.primitives[i],t.primitiveIDOffset+=t.primitives[i].drawArrays(n,r,o,e),t.vertexIDOffset+=t.primitives[i].getCABO().getElementCount()))},e.renderPieceFinish=(e,n)=>{t.LastBoundBO&&t.LastBoundBO.getVAO().release(),t.renderable.getColorTextureMap()&&t.internalColorTexture.deactivate()},e.renderPiece=(n,r)=>{if(e.invokeEvent(Zd),t.renderable.getStatic()||t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.invokeEvent(Qd),!t.currentInput)return void Yd("No input!");if(!t.currentInput.getPoints||!t.currentInput.getPoints().getNumberOfValues())return;const o=t.context,a=r.getProperty().getBackfaceCulling(),i=r.getProperty().getFrontfaceCulling();a||i?i?(t._openGLRenderWindow.enableCullFace(),o.cullFace(o.FRONT)):(t._openGLRenderWindow.enableCullFace(),o.cullFace(o.BACK)):t._openGLRenderWindow.disableCullFace(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():wa(t.bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>{const o=t.VBOBuildTime.getMTime();return o{const o=t.currentInput;if(null===o)return;t.renderable.mapScalars(o,1);const a=t.renderable.getColorMapColors();t.haveCellScalars=!1;const i=t.renderable.getScalarMode();t.renderable.getScalarVisibility()&&(i!==$d.USE_CELL_DATA&&i!==$d.USE_CELL_FIELD_DATA&&i!==$d.USE_FIELD_DATA&&o.getPointData().getScalars()||i===$d.USE_POINT_FIELD_DATA||!a||(t.haveCellScalars=!0));let s=r.getProperty().getInterpolation()!==Kd.FLAT?o.getPointData().getNormals():null;null===s&&o.getCellData().getNormals()&&(t.haveCellNormals=!0,s=o.getCellData().getNormals());const l=r.getProperty().getRepresentation();let c=o.getPointData().getTCoords();if(t.openGLActor.getActiveTextures()||(c=null),t.renderable.getColorCoordinates()){c=t.renderable.getColorCoordinates(),t.internalColorTexture||(t.internalColorTexture=Fd.newInstance({resizable:!0}));const e=t.internalColorTexture;e.setMinificationFilter(qd.NEAREST),e.setMagnificationFilter(qd.NEAREST),e.setWrapS(Xd.CLAMP_TO_EDGE),e.setWrapT(Xd.CLAMP_TO_EDGE),e.setOpenGLRenderWindow(t._openGLRenderWindow);const n=t.renderable.getColorTextureMap(),r=n.getExtent(),o=n.getPointData().getScalars();e.create2DFromRaw(r[1]-r[0]+1,r[3]-r[2]+1,o.getNumberOfComponents(),o.getDataType(),o.getData()),e.activate(),e.sendParameters(),e.deactivate()}const u=`${o.getMTime()}A${l}B${o.getMTime()}C${s?s.getMTime():1}D${a?a.getMTime():1}E${r.getProperty().getEdgeVisibility()}F${c?c.getMTime():1}`;if(t.VBOBuildString!==u){const n={points:o.getPoints(),normals:s,tcoords:c,colors:a,cellOffset:0,vertexOffset:0,haveCellScalars:t.haveCellScalars,haveCellNormals:t.haveCellNormals,customAttributes:t.renderable.getCustomShaderAttributes().map((e=>o.getPointData().getArrayByName(e)))};t.renderable.getPopulateSelectionSettings()&&(t.selectionWebGLIdsToVTKIds={points:null,cells:null});const i=[{inRep:"verts",cells:o.getVerts()},{inRep:"lines",cells:o.getLines()},{inRep:"polys",cells:o.getPolys()},{inRep:"strips",cells:o.getStrips()},{inRep:"polys",cells:o.getPolys()},{inRep:"strips",cells:o.getStrips()}],d=r.getProperty().getEdgeVisibility()&&l===jd.SURFACE;for(let e=Hd.Start;e{let e=0;return t.primitives.forEach((t=>{e+=t.getAllocatedGPUMemoryInBytes()})),e}}const tp={context:null,VBOBuildTime:0,VBOBuildString:null,primitives:null,primTypes:null,shaderRebuildString:null,tmpMat4:null,ambientColor:[],diffuseColor:[],specularColor:[],lightColor:[],lightDirection:[],lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastSelectionState:Hl.MIN_KNOWN_PASS-1,selectionStateChanged:null,selectionWebGLIdsToVTKIds:null,pointPicking:!1};function np(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,tp,n),Zt.extend(e,t,n),Ud(e,t,n),zd(e,t,n),t.primitives=[],t.primTypes=Hd,t.tmpMat3=pe(new Float64Array(9)),t.tmpMat4=g(new Float64Array(16));for(let e=Hd.Start;e{t.lookupTable=Ll.newInstance()},e.getColorModeAsString=()=>jt.enumToString(ap,t.colorMode),e.setColorModeToDefault=()=>e.setColorMode(0),e.setColorModeToMapScalars=()=>e.setColorMode(1),e.setColorModeToDirectScalars=()=>e.setColorMode(2),e.getScalarModeAsString=()=>jt.enumToString(ip,t.scalarMode),e.setScalarModeToDefault=()=>e.setScalarMode(0),e.setScalarModeToUsePointData=()=>e.setScalarMode(1),e.setScalarModeToUseCellData=()=>e.setScalarMode(2),e.setScalarModeToUsePointFieldData=()=>e.setScalarMode(3),e.setScalarModeToUseCellFieldData=()=>e.setScalarMode(4),e.setScalarModeToUseFieldData=()=>e.setScalarMode(5),e.getAbstractScalars=(e,n,r,o,a)=>{if(!e||!t.scalarVisibility)return{scalars:null,cellFLag:!1};let i=null,s=!1;if(n===ip.DEFAULT)i=e.getPointData().getScalars(),i||(i=e.getCellData().getScalars(),s=!0);else if(n===ip.USE_POINT_DATA)i=e.getPointData().getScalars();else if(n===ip.USE_CELL_DATA)i=e.getCellData().getScalars(),s=!0;else if(n===ip.USE_POINT_FIELD_DATA){const t=e.getPointData();i=r===sp.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}else if(n===ip.USE_CELL_FIELD_DATA){const t=e.getCellData();s=!0,i=r===sp.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}else if(n===ip.USE_FIELD_DATA){const t=e.getFieldData();i=r===sp.BY_ID?t.getArrayByIndex(o):t.getArrayByName(a)}return{scalars:i,cellFlag:s}},e.getLookupTable=()=>(t.lookupTable||e.createDefaultLookupTable(),t.lookupTable),e.getMTime=()=>{let e=t.mtime;if(null!==t.lookupTable){const n=t.lookupTable.getMTime();e=n>e?n:e}return e},e.mapScalars=(n,r)=>{const o=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!o)return void(t.colorMapColors=null);const a=`${e.getMTime()}${o.getMTime()}${r}`;if(t.colorBuildString===a)return;t.useLookupTableScalarRange||e.getLookupTable().setRange(t.scalarRange[0],t.scalarRange[1]);const i=e.getLookupTable();i&&(i.build(),t.colorMapColors=i.mapScalars(o,t.colorMode,t.fieldDataTupleId)),t.colorBuildString=`${e.getMTime()}${o.getMTime()}${r}`},e.getPrimitiveCount=()=>{const t=e.getInputData();return{points:t.getPoints().getNumberOfValues()/3,verts:t.getVerts().getNumberOfValues()-t.getVerts().getNumberOfCells(),lines:t.getLines().getNumberOfValues()-2*t.getLines().getNumberOfCells(),triangles:t.getPolys().getNumberOfValues()-3*t.getPolys().getNumberOfCells()}}}const cp={static:!1,lookupTable:null,scalarVisibility:!1,scalarRange:[0,1],useLookupTableScalarRange:!1,colorMode:0,scalarMode:0,arrayAccessMode:1,renderTime:0,colorByArrayName:null,transformCoordinate:null,viewSpecificProperties:null,customShaderAttributes:[]};function up(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,cp,n),Bs(e,t,n),jt.get(e,t,["colorMapColors"]),jt.setGet(e,t,["arrayAccessMode","colorByArrayName","colorMode","lookupTable","renderTime","scalarMode","scalarVisibility","static","transformCoordinate","useLookupTableScalarRange","viewSpecificProperties","customShaderAttributes"]),jt.setGetArray(e,t,["scalarRange"],2),t.viewSpecificProperties||(t.viewSpecificProperties={}),lp(e,t)}var dp={newInstance:jt.newInstance(up,"vtkMapper2D"),extend:up};const pp={BACKGROUND:0,FOREGROUND:1};var fp={DisplayLocation:pp};const{primTypes:gp}=xd,{ScalarMode:mp}=dp,{vtkErrorMacro:hp}=Kt,vp={type:"StartEvent"},yp={type:"EndEvent"};function bp(e,t){t.classHierarchy.push("vtkOpenGLPolyDataMapper2D"),e.buildPass=n=>{n&&(t.openGLActor2D=e.getFirstAncestorOfType("vtkOpenGLActor2D"),t._openGLRenderer=t.openGLActor2D.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.openGLCamera=t._openGLRenderer.getViewNodeFor(t._openGLRenderer.getRenderable().getActiveCamera()))},e.overlayPass=t=>{t&&e.render()},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyData2DVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\n// all variables that represent positions or directions have a suffix\n// indicating the coordinate system they are in. The possible values are\n// MC - Model Coordinates\n// WC - WC world coordinates\n// VC - View Coordinates\n// DC - Display Coordinates\n\nin vec4 vertexWC;\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// material property values\n//VTK::Color::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\nuniform mat4 WCVCMatrix; // World to view matrix\n\nvoid main()\n{\n // Apple Bug\n //VTK::PrimID::Impl\n\n gl_Position = WCVCMatrix*vertexWC;\n\n //VTK::TCoord::Impl\n\n //VTK::Color::Impl\n\n //VTK::PositionVC::Impl\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyData2DFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nuniform int PrimitiveIDOffset;\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// Scalar coloring\n//VTK::Color::Dec\n\n// Depth Peeling\n//VTK::DepthPeeling::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\nvoid main()\n{\n // Apple Bug\n //VTK::PrimID::Impl\n\n //VTK::Color::Impl\n //VTK::TCoord::Impl\n\n //VTK::DepthPeeling::Impl\n //VTK::Picking::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n}\n",e.Geometry=""},e.render=()=>{const n=t._openGLRenderWindow.getContext();if(t.context!==n){t.context=n;for(let e=gp.Start;e{e.invokeEvent(vp),t.renderable.getStatic()||t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.invokeEvent(yp),t.currentInput?t.currentInput.getPoints&&t.currentInput.getPoints().getNumberOfValues()&&(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):hp("No input!")},e.renderPieceStart=(n,r)=>{t.primitiveIDOffset=0,t._openGLRenderer.getSelector()&&(t._openGLRenderer.getSelector().getCurrentPass(),t._openGLRenderer.getSelector().renderProp(r)),e.updateBufferObjects(n,r),t.lastBoundBO=null},e.getNeedToRebuildShaders=(e,n,r)=>e.getShaderSourceTime().getMTime(){e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>{const o=t.VBOBuildTime.getMTime();return!!(o{const r=t.currentInput;if(null===r)return;t.renderable.mapScalars(r,n.getProperty().getOpacity());const o=t.renderable.getColorMapColors();t.haveCellScalars=!1;const a=t.renderable.getScalarMode();t.renderable.getScalarVisibility()&&(a!==mp.USE_CELL_DATA&&a!==mp.USE_CELL_FIELD_DATA&&a!==mp.USE_FIELD_DATA&&r.getPointData().getScalars()||a===mp.USE_POINT_FIELD_DATA||!o||(t.haveCellScalars=!0));const i=n.getProperty().getRepresentation();let s=r.getPointData().getTCoords();t.openGLActor2D.getActiveTextures()||(s=null);const l=t.renderable.getTransformCoordinate(),c=e.getRenderWindow().getViews()[0].getViewportSize(e),u=`${r.getMTime()}A${i}B${r.getMTime()}C${o?o.getMTime():1}D${s?s.getMTime():1}E${l?e.getMTime():1}F${c}`;if(t.VBOBuildString!==u){let n=r.getPoints();if(l){const t=vc.newInstance(),r=n.getNumberOfPoints();t.setNumberOfPoints(r);const o=[];for(let a=0;ar.getPointData().getArrayByName(e)))};a.cellOffset+=t.primitives[gp.Points].getCABO().createVBO(r.getVerts(),"verts",i,a),a.cellOffset+=t.primitives[gp.Lines].getCABO().createVBO(r.getLines(),"lines",i,a),a.cellOffset+=t.primitives[gp.Tris].getCABO().createVBO(r.getPolys(),"polys",i,a),a.cellOffset+=t.primitives[gp.TriStrips].getCABO().createVBO(r.getStrips(),"strips",i,a),t.VBOBuildTime.modified(),t.VBOBuildString=u}},e.renderPieceDraw=(n,r)=>{const o=r.getProperty().getRepresentation();t.context.depthMask(!0);for(let a=gp.Start;a{t.lastBoundBO&&t.lastBoundBO.getVAO().release()},e.replaceShaderValues=(t,n,r)=>{e.replaceShaderColor(t,n,r),e.replaceShaderTCoord(t,n,r),e.replaceShaderPicking(t,n,r),e.replaceShaderPositionVC(t,n,r)},e.replaceShaderColor=(e,n,r)=>{let o=e.Vertex,a=e.Geometry,i=e.Fragment;t.haveCellScalars&&(i=dd.substitute(i,"//VTK::Color::Dec",["uniform samplerBuffer texture1;"]).result,i=dd.substitute(i,"//VTK::Color::Impl",["gl_FragData[0] = texelFetchBuffer(texture1, gl_PrimitiveID + PrimitiveIDOffset);"]).result),0!==t.lastBoundBO.getCABO().getColorComponents()?(o=dd.substitute(o,"//VTK::Color::Dec",["in vec4 diffuseColor;","out vec4 fcolorVSOutput;"]).result,o=dd.substitute(o,"//VTK::Color::Impl",["fcolorVSOutput = diffuseColor;"]).result,a=dd.substitute(a,"//VTK::Color::Dec",["in vec4 fcolorVSOutput[];\n","out vec4 fcolorGSOutput;"]).result,a=dd.substitute(a,"//VTK::Color::Impl",["fcolorGSOutput = fcolorVSOutput[i];"]).result,i=dd.substitute(i,"//VTK::Color::Dec",["in vec4 fcolorVSOutput;"]).result,i=dd.substitute(i,"//VTK::Color::Impl",["gl_FragData[0] = fcolorVSOutput;"]).result):(i=dd.substitute(i,"//VTK::Color::Dec",["uniform vec4 diffuseColor;"]).result,i=dd.substitute(i,"//VTK::Color::Impl",["gl_FragData[0] = diffuseColor;"]).result),e.Vertex=o,e.Geometry=a,e.Fragment=i},e.replaceShaderTCoord=(e,n,r)=>{if(t.lastBoundBO.getCABO().getTCoordOffset()){let n=e.Vertex,r=e.Geometry,o=e.Fragment;const a=t.lastBoundBO.getCABO().getTCoordComponents();1===a?(n=dd.substitute(n,"//VTK::TCoord::Dec",["in float tcoordMC;","out float tcoordVCVSOutput;"]).result,n=dd.substitute(n,"//VTK::TCoord::Impl",["tcoordVCVSOutput = tcoordMC;"]).result,r=dd.substitute(r,"//VTK::TCoord::Dec",["in float tcoordVCVSOutput[];\n","out float tcoordVCGSOutput;"]).result,r=dd.substitute(r,["//VTK::TCoord::Impl","tcoordVCGSOutput = tcoordVCVSOutput[i];"]).result,o=dd.substitute(o,"//VTK::TCoord::Dec",["in float tcoordVCVSOutput;","uniform sampler2D texture1;"]).result,o=dd.substitute(o,"//VTK::TCoord::Impl",["gl_FragData[0] = gl_FragData[0]*texture2D(texture1, vec2(tcoordVCVSOutput,0));"]).result):2===a&&(n=dd.substitute(n,"//VTK::TCoord::Dec",["in vec2 tcoordMC;","out vec2 tcoordVCVSOutput;"]).result,n=dd.substitute(n,"//VTK::TCoord::Impl",["tcoordVCVSOutput = tcoordMC;"]).result,r=dd.substitute(r,"//VTK::TCoord::Dec",["in vec2 tcoordVCVSOutput[];\n","out vec2 tcoordVCGSOutput;"]).result,r=dd.substitute(r,"//VTK::TCoord::Impl",["tcoordVCGSOutput = tcoordVCVSOutput[i];"]).result,o=dd.substitute(o,"//VTK::TCoord::Dec",["in vec2 tcoordVCVSOutput;","uniform sampler2D texture1;"]).result,o=dd.substitute(o,"//VTK::TCoord::Impl",["gl_FragData[0] = gl_FragData[0]*texture2D(texture1, tcoordVCVSOutput.st);"]).result),t.haveCellScalars&&(r=dd.substitute(r,"//VTK::PrimID::Impl",["gl_PrimitiveID = gl_PrimitiveIDIn;"]).result),e.Vertex=n,e.Geometry=r,e.Fragment=o}},e.replaceShaderPicking=(e,t,n)=>{let r=e.Fragment;r=dd.substitute(r,"//VTK::Picking::Dec",["uniform vec3 mapperIndex;","uniform int picking;"]).result,r=dd.substitute(r,"//VTK::Picking::Impl"," gl_FragData[0] = picking != 0 ? vec4(mapperIndex,1.0) : gl_FragData[0];").result,e.Fragment=r},e.replaceShaderPositionVC=(e,n,r)=>{t.lastBoundBO.replaceShaderPositionVC(e,n,r)},e.invokeShaderCallbacks=(e,n,r)=>{const o=t.renderable.getViewSpecificProperties().ShadersCallbacks;o&&o.forEach((t=>{t.callback(t.userData,e,n,r)}))},e.setMapperShaderParameters=(e,n,r)=>{if(e.getProgram().isUniformUsed("PrimitiveIDOffset")&&e.getProgram().setUniformi("PrimitiveIDOffset",t.primitiveIDOffset),e.getProgram().isAttributeUsed("vertexWC")&&(e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),"vertexWC",e.getCABO().getVertexOffset(),e.getCABO().getStride(),t.context.FLOAT,3,!1)||hp("Error setting vertexWC in shader VAO.")),e.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>e.getAttributeUpdateTime().getMTime()||e.getShaderSourceTime().getMTime()>e.getAttributeUpdateTime().getMTime())){t.renderable.getCustomShaderAttributes().forEach(((n,r)=>{e.getProgram().isAttributeUsed(`${n}MC`)&&(e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),`${n}MC`,e.getCABO().getCustomData()[r].offset,e.getCABO().getStride(),t.context.FLOAT,e.getCABO().getCustomData()[r].components,!1)||hp(`Error setting ${n}MC in shader VAO.`))})),e.getProgram().isAttributeUsed("tcoordMC")&&e.getCABO().getTCoordOffset()?e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),"tcoordMC",e.getCABO().getTCoordOffset(),e.getCABO().getStride(),t.context.FLOAT,e.getCABO().getTCoordComponents(),!1)||hp("Error setting tcoordMC in shader VAO."):e.getVAO().removeAttributeArray("tcoordMC"),t.internalColorTexture&&e.getProgram().isUniformUsed("texture1")&&e.getProgram().setUniformi("texture1",t.internalColorTexture.getTextureUnit());const o=t.openGLActor2D.getActiveTextures();if(o)for(let t=0;t{const o=t.renderable.getColorMapColors();if(!o||0===o.getNumberOfComponents()){const t=e.getProgram(),n=r.getProperty(),o=n.getOpacity(),a=n.getColor(),i=[a[0],a[1],a[2],o];t.setUniform4f("diffuseColor",i)}},e.setLightingShaderParameters=(e,t,n)=>{},e.setCameraShaderParameters=(e,n,o)=>{const a=e.getProgram(),i=e.getCABO().getCoordShiftAndScaleEnabled()?e.getCABO().getInverseShiftAndScaleMatrix():null,s=n.getRenderWindow().getViews()[0].getViewportSize(n),l=n.getViewport(),c=o.getActualPositionCoordinate().getComputedDoubleViewportValue(n),u=[0,0,1,1],d=[0,0,1,1];if(d[0]=l[0]>=u[0]?l[0]:u[0],d[1]=l[1]>=u[1]?l[1]:u[1],d[2]=l[2]<=u[2]?l[2]:u[2],d[3]=l[3]<=u[3]?l[3]:u[3],d[0]>=d[2])return;if(d[1]>=d[3])return;s[0]=Vo(s[0]*(d[2]-d[0])/(l[2]-l[0])),s[1]=Vo(s[1]*(d[3]-d[1])/(l[3]-l[1]));const p=t._openGLRenderer.getParent().getSize(),f=Vo(c[0]-(d[0]-l[0])*p[0]),h=Vo(c[1]-(d[1]-l[1])*p[1]),v=-f;let y=-f+s[0];const b=-h;let x=-h+s[1];v===y&&(y=v+1),b===x&&(x=b+1);const T=g(new Float64Array(16));var C,S,P;T[0]=2/(y-v),T[5]=2/(x-b),T[3]=-1*(y+v)/(y-v),T[7]=-1*(x+b)/(x-b),T[10]=0,T[11]=o.getProperty().getDisplayLocation()===pp.FOREGROUND?-1:1,T[15]=1,m(T,T),a.setUniformMatrix("WCVCMatrix",(C=[T,i],S=r,P=t.tmpMat4,S.identity(P),C.reduce(((e,t,n)=>0===n?t?S.copy(e,t):S.identity(e):t?S.multiply(e,e,t):e),P)))},e.getAllocatedGPUMemoryInBytes=()=>{let e=0;return t.primitives.forEach((t=>{e+=t.getAllocatedGPUMemoryInBytes()})),e}}const xp={context:null,VBOBuildTime:0,VBOBuildString:null,primitives:null,primTypes:null,shaderRebuildString:null};const Tp=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,xp,n),Zt.extend(e,t,n),Ud(e,t,n),zd(e,t,n),t.primitives=[],t.primTypes=gp,t.tmpMat4=g(new Float64Array(16));for(let e=gp.Start;e{const n=e.getLastSize(),r=(n[0]/700)**.8,o=(n[1]/700)**.8,a=Math.min(r,o),i=e.getAxisTextStyle(),s=e.getTickTextStyle();Object.assign(i,t.axisTextStyle),Object.assign(s,t.tickTextStyle),i.fontSize=Math.max(24*a,12),e.getLastAspectRatio()>1?s.fontSize=Math.max(20*a,10):s.fontSize=Math.max(16*a,10);const l=e.updateTextureAtlas();e.setTopTitle(!1);const c=e.getBoxSizeByReference();if(e.getLastAspectRatio()>1)e.setTickLabelPixelOffset(.3*s.fontSize),l.titleWidth<=l.tickWidth+e.getTickLabelPixelOffset()+.8*s.fontSize?(e.setTopTitle(!0),e.setAxisTitlePixelOffset(.2*s.fontSize),c[0]=2*(l.tickWidth+e.getTickLabelPixelOffset()+.8*s.fontSize)/n[0],e.setBoxPosition([.98-c[0],-.92])):(e.setAxisTitlePixelOffset(.2*s.fontSize),c[0]=2*(l.titleHeight+e.getAxisTitlePixelOffset()+l.tickWidth+e.getTickLabelPixelOffset()+.8*s.fontSize)/n[0],e.setBoxPosition([.99-c[0],-.92])),c[1]=Math.max(1.2,Math.min(1.84/o,1.84));else{e.setAxisTitlePixelOffset(1.2*s.fontSize),e.setTickLabelPixelOffset(.1*s.fontSize);const t=2*(.8*s.fontSize+l.titleHeight+e.getAxisTitlePixelOffset())/n[1],r=2*l.tickWidth/n[0];c[0]=Math.min(1.9,Math.max(1.4,1.4*r*(e.getTicks().length+3))),c[1]=t,e.setBoxPosition([-.5*c[0],-.97])}e.recomputeBarSegments(l)}}function Ap(e,t){return e=>{const t=e.getLastTickBounds(),n=mo().domain([t[0],t[1]]),r=n.ticks(5),o=n.tickFormat(5);e.setTicks(r),e.setTickStrings(r.map(o))}}function Ip(e,t){t.classHierarchy.push("vtkScalarBarActorHelper"),e.setRenderable=n=>{t.renderable!==n&&(t.renderable=n,t.barActor.setProperty(n.getProperty()),t.barActor.setParentProp(n),t.barActor.setCoordinateSystemToDisplay(),t.tmActor.setProperty(n.getProperty()),t.tmActor.setParentProp(n),t.tmActor.setCoordinateSystemToDisplay(),t.generateTicks=n.generateTicks,t.axisTextStyle={...n.getAxisTextStyle()},t.tickTextStyle={...n.getTickTextStyle()},e.modified())},e.updateAPISpecificData=(n,r,o)=>{t.lastSize[0]===n[0]&&t.lastSize[1]===n[1]||(t.lastSize[0]=n[0],t.lastSize[1]=n[1],t.lastAspectRatio=n[0]/n[1],t.forceUpdate=!0);const a=t.renderable.getScalarsToColors();if(a&&t.renderable.getVisibility()&&(t.barMapper.setLookupTable(a),t.camera=r,t.renderWindow=o,t.forceUpdate||Math.max(a.getMTime(),e.getMTime(),t.renderable.getMTime())>t.lastRebuildTime.getMTime())){const n=a.getMappingRange();if(t.lastTickBounds=[...n],t.renderable.getGenerateTicks()(e),t.renderable.getAutomated())t.renderable.getAutoLayout()(e);else{t.axisTextStyle={...t.renderable.getAxisTextStyle()},t.tickTextStyle={...t.renderable.getTickTextStyle()},t.barPosition=[...t.renderable.getBarPosition()],t.barSize=[...t.renderable.getBarSize()],t.boxPosition=[...t.renderable.getBoxPosition()],t.boxSize=[...t.renderable.getBoxSize()],t.axisTitlePixelOffset=t.renderable.getAxisTitlePixelOffset(),t.tickLabelPixelOffset=t.renderable.getTickLabelPixelOffset();const n=e.updateTextureAtlas();e.recomputeBarSegments(n)}e.updatePolyDataForLabels(),e.updatePolyDataForBarSegments(),t.lastRebuildTime.modified(),t.forceUpdate=!1}},e.updateTextureAtlas=()=>{t.tmContext.textBaseline="bottom",t.tmContext.textAlign="left";const n={},r=new Map;let o=0,a=1;Sp(t.tmContext,t.axisTextStyle);let i=t.tmContext.measureText(t.renderable.getAxisLabel()),s={height:i.actualBoundingBoxAscent+2,startingHeight:a,width:i.width+2,textStyle:t.axisTextStyle};r.set(t.renderable.getAxisLabel(),s),a+=s.height,o=s.width,n.titleWidth=s.width,n.titleHeight=s.height,n.tickWidth=0,n.tickHeight=0,Sp(t.tmContext,t.tickTextStyle);const l=[...e.getTickStrings(),"NaN","Below","Above"];for(let e=0;e{e.tcoords=[0,(a-e.startingHeight-e.height)/a,e.width/o,(a-e.startingHeight-e.height)/a,e.width/o,(a-e.startingHeight)/a,0,(a-e.startingHeight)/a]})),t.tmCanvas.width=o,t.tmCanvas.height=a,t.tmContext.textBaseline="bottom",t.tmContext.textAlign="left",t.tmContext.clearRect(0,0,o,a),r.forEach(((e,n)=>{Sp(t.tmContext,e.textStyle),t.tmContext.fillText(n,1,e.startingHeight+e.height-1)})),t.tmTexture.setCanvas(t.tmCanvas),t.tmTexture.modified(),t._tmAtlas=r,n},e.computeBarSize=e=>{t.vertical=t.boxSize[1]>t.boxSize[0];const n=2*e.tickHeight/t.lastSize[1],r=[1,1];if(t.vertical){const o=2*(e.tickWidth+t.tickLabelPixelOffset)/t.lastSize[0];if(t.topTitle){const n=2*(e.titleHeight+t.axisTitlePixelOffset)/t.lastSize[1];t.barSize[0]=t.boxSize[0]-o,t.barSize[1]=t.boxSize[1]-n}else{const n=2*(e.titleHeight+t.axisTitlePixelOffset)/t.lastSize[0];t.barSize[0]=t.boxSize[0]-n-o,t.barSize[1]=t.boxSize[1]}t.barPosition[0]=t.boxPosition[0]+o,t.barPosition[1]=t.boxPosition[1],r[1]=n}else{const n=(2*e.tickWidth-8)/t.lastSize[0],o=2*(e.titleHeight+t.axisTitlePixelOffset)/t.lastSize[1];t.barSize[0]=t.boxSize[0],t.barPosition[0]=t.boxPosition[0],t.barSize[1]=t.boxSize[1]-o,t.barPosition[1]=t.boxPosition[1],r[0]=n}return r},e.recomputeBarSegments=n=>{const r=e.computeBarSize(n);t.barSegments=[];const o=[0,0],a=t.vertical?1:0,i=t.vertical?.01:.02;function s(e,n){t.barSegments.push({corners:[[...o],[o[0]+r[0],o[1]],[o[0]+r[0],o[1]+r[1]],[o[0],o[1]+r[1]]],scalars:n,title:e}),o[a]+=r[a]+i}t.renderable.getDrawNanAnnotation()&&t.renderable.getScalarsToColors().getNanColor()&&s("NaN",[NaN,NaN,NaN,NaN]),t.renderable.getDrawBelowRangeSwatch()&&t.renderable.getScalarsToColors().getUseBelowRangeColor?.()&&s("Below",[-.1,-.1,-.1,-.1]);const l=t.renderable.getScalarsToColors().getUseAboveRangeColor?.();o[a]+=i;const c=r[a];r[a]=l?1-2*i-r[a]-o[a]:1-i-o[a],s("ticks",t.vertical?[0,0,.995,.995]:[0,.995,.995,0]),t.renderable.getDrawAboveRangeSwatch()&&l&&(r[a]=c,o[a]+=i,s("Above",[1.1,1.1,1.1,1.1]))};const n=new Float64Array(3);e.createPolyDataForOneLabel=(e,r,o,a,i,s)=>{const l=t._tmAtlas.get(e);if(!l)return;let c=s.ptIdx,u=s.cellIdx;n[0]=(.5*r[0]+.5)*t.lastSize[0],n[1]=(.5*r[1]+.5)*t.lastSize[1],n[2]=r[2],n[0]+=i[0],n[1]+=i[1];const d=[],p="vertical"===a?[1,0]:[0,1];"vertical"===a?(d[0]=l.width,d[1]=-l.height,"middle"===o[0]?n[1]-=l.width/2:"right"===o[0]&&(n[1]-=l.width),"middle"===o[1]?n[0]+=l.height/2:"top"===o[1]&&(n[0]+=l.height)):(d[0]=l.width,d[1]=l.height,"middle"===o[0]?n[0]-=l.width/2:"right"===o[0]&&(n[0]-=l.width),"middle"===o[1]?n[1]-=l.height/2:"top"===o[1]&&(n[1]-=l.height)),s.points[3*c]=n[0],s.points[3*c+1]=n[1],s.points[3*c+2]=n[2],s.tcoords[2*c]=l.tcoords[0],s.tcoords[2*c+1]=l.tcoords[1],c++,n[p[0]]+=d[0],s.points[3*c]=n[0],s.points[3*c+1]=n[1],s.points[3*c+2]=n[2],s.tcoords[2*c]=l.tcoords[2],s.tcoords[2*c+1]=l.tcoords[3],c++,n[p[1]]+=d[1],s.points[3*c]=n[0],s.points[3*c+1]=n[1],s.points[3*c+2]=n[2],s.tcoords[2*c]=l.tcoords[4],s.tcoords[2*c+1]=l.tcoords[5],c++,n[p[0]]-=d[0],s.points[3*c]=n[0],s.points[3*c+1]=n[1],s.points[3*c+2]=n[2],s.tcoords[2*c]=l.tcoords[6],s.tcoords[2*c+1]=l.tcoords[7],c++,s.polys[4*u]=3,s.polys[4*u+1]=c-4,s.polys[4*u+2]=c-3,s.polys[4*u+3]=c-2,u++,s.polys[4*u]=3,s.polys[4*u+1]=c-4,s.polys[4*u+2]=c-2,s.polys[4*u+3]=c-1,s.ptIdx+=4,s.cellIdx+=2};const r=new Float64Array(3);e.updatePolyDataForLabels=()=>{const n=e.getTickStrings().length+t.barSegments.length,o=4*n,a=2*n,i=new Float64Array(3*o),s=new Uint16Array(4*a),l=new Float32Array(2*o),c={ptIdx:0,cellIdx:0,polys:s,points:i,tcoords:l},u=t.vertical?0:1,d=t.vertical?1:0;r[2]=-.99;const p=t.vertical?["right","middle"]:["middle","bottom"];let f=[0,1];const g=[0,0];t.vertical?(g[0]=-t.tickLabelPixelOffset,t.topTitle?(r[0]=t.boxPosition[0]+.5*t.boxSize[0],r[1]=t.barPosition[1]+t.barSize[1],e.createPolyDataForOneLabel(t.renderable.getAxisLabel(),r,["middle","bottom"],"horizontal",[0,t.axisTitlePixelOffset],c)):(r[0]=t.barPosition[0]+t.barSize[0],r[1]=t.barPosition[1]+.5*t.barSize[1],e.createPolyDataForOneLabel(t.renderable.getAxisLabel(),r,["middle","top"],"vertical",[t.axisTitlePixelOffset,0],c)),f=[-1,0]):(g[1]=t.tickLabelPixelOffset,r[0]=t.barPosition[0]+.5*t.barSize[0],r[1]=t.barPosition[1]+t.barSize[1],e.createPolyDataForOneLabel(t.renderable.getAxisLabel(),r,["middle","bottom"],"horizontal",[0,t.axisTitlePixelOffset],c)),r[u]=t.barPosition[u]+(.5*f[u]+.5)*t.barSize[u],r[d]=t.barPosition[d]+.5*t.barSize[d];let m=null;for(let n=0;n{const e=t.renderable.getScalarsToColors();let n=0;t.renderable.getDrawNanAnnotation()&&e.getNanColor()&&(n+=1),t.renderable.getDrawBelowRangeSwatch()&&e.getUseBelowRangeColor?.()&&(n+=1),t.renderable.getDrawAboveRangeSwatch()&&e.getUseAboveRangeColor?.()&&(n+=1);const o=4*(1+n),a=o;let i=1;e.getVectorMode()===Cp.COMPONENT&&(i=e.getVectorComponent()+1);const s=new Float64Array(3*o),l=new Uint16Array(5*a),c=new Float32Array(o*i);let u=0,d=0;for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{renderable:null};Object.assign(t,{},n),jt.obj(e,t),jt.setGet(e,t,["axisTitlePixelOffset","tickLabelPixelOffset","renderable","topTitle","ticks","tickStrings"]),jt.get(e,t,["lastSize","lastAspectRatio","lastTickBounds","axisTextStyle","tickTextStyle","barActor","tmActor"]),jt.getArray(e,t,["boxPosition","boxSize"]),jt.setArray(e,t,["boxPosition","boxSize"],2),t.forceUpdate=!1,t.lastRebuildTime={},jt.obj(t.lastRebuildTime,{mtime:0}),t.lastSize=[-1,-1],t.tmCanvas=document.createElement("canvas"),t.tmContext=t.tmCanvas.getContext("2d"),t._tmAtlas=new Map,t.barMapper=oc.newInstance(),t.barMapper.setInterpolateScalarsBeforeMapping(!0),t.barMapper.setUseLookupTableScalarRange(!0),t.polyData=hu.newInstance(),t.barMapper.setInputData(t.polyData),t.barActor=hs.newInstance(),t.barActor.setMapper(t.barMapper),t.tmPolyData=hu.newInstance(),t.tmMapper=oc.newInstance(),t.tmMapper.setInputData(t.tmPolyData),t.tmTexture=Tu.newInstance({resizable:!0}),t.tmTexture.setInterpolate(!1),t.tmActor=hs.newInstance({parentProp:e}),t.tmActor.setMapper(t.tmMapper),t.tmActor.addTexture(t.tmTexture),t.barPosition=[0,0],t.barSize=[0,0],t.boxPosition=[.88,-.92],t.boxSize=[.1,1.1],t.lastTickBounds=[],Ip(e,t)}),"vtkScalarBarActorHelper");function Op(e,t){t.classHierarchy.push("vtkScalarBarActor"),e.setTickTextStyle=n=>{t.tickTextStyle={...t.tickTextStyle,...n},e.modified()},e.setAxisTextStyle=n=>{t.axisTextStyle={...t.axisTextStyle,...n},e.modified()},e.resetAutoLayoutToDefault=()=>{e.setAutoLayout(Pp(0,t))},e.resetGenerateTicksToDefault=()=>{e.setGenerateTicks(Ap())}}function Mp(e){return{automated:!0,autoLayout:null,axisLabel:"Scalar Value",barPosition:[0,0],barSize:[0,0],boxPosition:[.88,-.92],boxSize:[.1,1.1],scalarToColors:null,axisTitlePixelOffset:36,axisTextStyle:{fontColor:"white",fontStyle:"normal",fontSize:18,fontFamily:"serif"},tickLabelPixelOffset:14,tickTextStyle:{fontColor:"white",fontStyle:"normal",fontSize:14,fontFamily:"serif"},generateTicks:null,drawNanAnnotation:!0,drawBelowRangeSwatch:!0,drawAboveRangeSwatch:!0,...e}}function Rp(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Mp(n)),t.autoLayout||(t.autoLayout=Pp(0,t)),t.generateTicks||(t.generateTicks=Ap()),hs.extend(e,t,n),e.getProperty().setDiffuse(0),e.getProperty().setAmbient(1),jt.setGet(e,t,["automated","autoLayout","axisTitlePixelOffset","axisLabel","scalarsToColors","tickLabelPixelOffset","generateTicks","drawNanAnnotation","drawBelowRangeSwatch","drawAboveRangeSwatch"]),jt.get(e,t,["axisTextStyle","tickTextStyle"]),jt.getArray(e,t,["barPosition","barSize","boxPosition","boxSize"]),jt.setArray(e,t,["barPosition","barSize","boxPosition","boxSize"],2),Op(e,t)}var Vp={newInstance:jt.newInstance(Rp,"vtkScalarBarActor"),extend:Rp,newScalarBarActorHelper:wp};function Ep(e,t){t.classHierarchy.push("vtkOpenGLScalarBarActor"),e.buildPass=n=>{n&&(t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.scalarBarActorHelper.getRenderable()||t.scalarBarActorHelper.setRenderable(t.renderable),e.prepareNodes(),e.addMissingNode(t.scalarBarActorHelper.getBarActor()),e.addMissingNode(t.scalarBarActorHelper.getTmActor()),e.removeUnusedNodes())},e.opaquePass=(e,n)=>{if(e){const e=t._openGLRenderer?t._openGLRenderer.getRenderable().getActiveCamera():null,n=t._openGLRenderer.getTiledSizeAndOrigin();t.scalarBarActorHelper.updateAPISpecificData([n.usize,n.vsize],e,t._openGLRenderWindow.getRenderable())}}}const Dp={};const Lp=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Dp,n),Zt.extend(e,t,n),t.scalarBarActorHelper=Vp.newScalarBarActorHelper(),Ep(e,t)}),"vtkOpenGLScalarBarActor");rn("vtkScalarBarActor",Lp);const{vtkErrorMacro:Bp}=Kt;function Np(e,t){t.classHierarchy.push("vtkOpenGLSkybox"),e.buildPass=n=>{if(n){t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.openGLTexture.setOpenGLRenderWindow(t._openGLRenderWindow);const n=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera())}},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;n.incrementOpaqueActorCount()}},e.opaquePass=(n,r)=>{if(n&&!t._openGLRenderer.getSelector()){e.updateBufferObjects(),t.context.depthMask(!0),t._openGLRenderWindow.getShaderCache().readyShaderProgram(t.tris.getProgram()),t.openGLTexture.render(t._openGLRenderWindow);const n=t.openGLTexture.getTextureUnit();t.tris.getProgram().setUniformi("sbtexture",n);const r=t._openGLRenderer.getRenderable(),o=t.openGLCamera.getKeyMatrices(r),a=new Float64Array(16);if(h(a,o.wcpc),t.tris.getProgram().setUniformMatrix("IMCPCMatrix",a),"box"===t.lastFormat){const e=r.getActiveCamera().getPosition();t.tris.getProgram().setUniform3f("camPos",e[0],e[1],e[2])}t.tris.getVAO().bind(),t.context.drawArrays(t.context.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.openGLTexture.deactivate()}},e.updateBufferObjects=()=>{if(!t.tris.getCABO().getElementCount()){const e=new Float32Array(12);for(let t=0;t<4;t++)e[3*t]=t%2*2-1,e[3*t+1]=t>1?1:-1,e[3*t+2]=1;const n=Es.newInstance({numberOfComponents:3,values:e});n.setName("points");const r=new Uint16Array(8);r[0]=3,r[1]=0,r[2]=1,r[3]=3,r[4]=3,r[5]=0,r[6]=3,r[7]=2;const o=Es.newInstance({numberOfComponents:1,values:r});t.tris.getCABO().createVBO(o,"polys",rs.SURFACE,{points:n,cellOffset:0})}t.renderable.getFormat()!==t.lastFormat&&(t.lastFormat=t.renderable.getFormat(),"box"===t.lastFormat&&t.tris.setProgram(t._openGLRenderWindow.getShaderCache().readyShaderProgramArray("//VTK::System::Dec\n attribute vec3 vertexMC;\n uniform mat4 IMCPCMatrix;\n varying vec3 TexCoords;\n void main () {\n gl_Position = vec4(vertexMC.xyz, 1.0);\n vec4 wpos = IMCPCMatrix * gl_Position;\n TexCoords = wpos.xyz/wpos.w;\n }","//VTK::System::Dec\n //VTK::Output::Dec\n varying vec3 TexCoords;\n uniform samplerCube sbtexture;\n uniform vec3 camPos;\n void main () {\n // skybox looks from inside out\n // which means we have to adjust\n // our tcoords. Otherwise text would\n // be flipped\n vec3 tc = normalize(TexCoords - camPos);\n if (abs(tc.z) < max(abs(tc.x),abs(tc.y)))\n {\n tc = vec3(1.0, 1.0, -1.0) * tc;\n }\n else\n {\n tc = vec3(-1.0, 1.0, 1.0) * tc;\n }\n gl_FragData[0] = textureCube(sbtexture, tc);\n }","")),"background"===t.lastFormat&&t.tris.setProgram(t._openGLRenderWindow.getShaderCache().readyShaderProgramArray("//VTK::System::Dec\n attribute vec3 vertexMC;\n uniform mat4 IMCPCMatrix;\n varying vec2 TexCoords;\n void main () {\n gl_Position = vec4(vertexMC.xyz, 1.0);\n vec4 wpos = IMCPCMatrix * gl_Position;\n TexCoords = vec2(vertexMC.x, vertexMC.y)*0.5 + 0.5;\n }","//VTK::System::Dec\n //VTK::Output::Dec\n varying vec2 TexCoords;\n uniform sampler2D sbtexture;\n void main () {\n gl_FragData[0] = texture2D(sbtexture, TexCoords);\n }","")),t.tris.getShaderSourceTime().modified(),t.tris.getVAO().bind(),t.tris.getVAO().addAttributeArray(t.tris.getProgram(),t.tris.getCABO(),"vertexMC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Bp("Error setting vertexMC in shader VAO."));const e=t.renderable.getTextures();e.length||Bp("vtkSkybox requires a texture map"),t.openGLTexture.getRenderable()!==e[0]&&(t.openGLTexture.releaseGraphicsResources(t._openGLRenderWindow),t.openGLTexture.setRenderable(e[0]))}}const kp={context:null};const Fp=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,kp,n),Zt.extend(e,t,n),t.openGLTexture=Fd.newInstance(),t.tris=xd.newInstance(),t.keyMatrixTime={},yt(t.keyMatrixTime,{mtime:0}),t.keyMatrices={normalMatrix:pe(new Float64Array(9)),mcwc:g(new Float64Array(16))},Pt(e,t,["context"]),xt(e,t,["activeTextures"]),Np(e,t)}));rn("vtkSkybox",Fp);const{FieldAssociations:_p}=al;function Gp(e,t){t.classHierarchy.push("vtkHardwareSelector"),e.getSourceDataAsync=async(e,t,n,r,o)=>{},e.selectAsync=async(t,n,r,o,a)=>{const i=await e.getSourceDataAsync(t,n,r,o,a);return i?i.generateSelection(n,r,o,a):[]}}const Up={fieldAssociation:_p.FIELD_ASSOCIATION_CELLS,captureZValues:!1};function zp(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Up,n),jt.obj(e,t),jt.setGet(e,t,["fieldAssociation","captureZValues"]),Gp(e,t)}var Wp={newInstance:jt.newInstance(zp,"vtkHardwareSelector"),extend:zp};function Hp(e,t){t.classHierarchy.push("vtkFramebuffer"),e.getBothMode=()=>t.context.FRAMEBUFFER,e.saveCurrentBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.saveCurrentBindings(n),e.saveCurrentBuffers(n)},e.saveCurrentBindings=e=>{if(!t.context)return void et("you must set the OpenGLRenderWindow before calling saveCurrentBindings");const n=t.context;t.previousDrawBinding=n.getParameter(t.context.FRAMEBUFFER_BINDING),t.previousActiveFramebuffer=t._openGLRenderWindow.getActiveFramebuffer()},e.saveCurrentBuffers=e=>{},e.restorePreviousBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.restorePreviousBindings(n),e.restorePreviousBuffers(n)},e.restorePreviousBindings=e=>{if(!t.context)return void et("you must set the OpenGLRenderWindow before calling restorePreviousBindings");const n=t.context;n.bindFramebuffer(n.FRAMEBUFFER,t.previousDrawBinding),t._openGLRenderWindow.setActiveFramebuffer(t.previousActiveFramebuffer)},e.restorePreviousBuffers=e=>{},e.bind=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,r=n;null===r&&(r=t.context.FRAMEBUFFER),t.context.bindFramebuffer(r,t.glFramebuffer);for(let e=0;e{t.context?(t.glFramebuffer=t.context.createFramebuffer(),t.glFramebuffer.width=e,t.glFramebuffer.height=n):et("you must set the OpenGLRenderWindow before calling create")},e.setColorBuffer=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const r=t.context;if(!r)return void et("you must set the OpenGLRenderWindow before calling setColorBuffer");let o=r.COLOR_ATTACHMENT0;if(n>0){if(!t._openGLRenderWindow.getWebgl2())return void et("Using multiple framebuffer attachments requires WebGL 2");o+=n}t.colorBuffers[n]=e,r.framebufferTexture2D(r.FRAMEBUFFER,o,r.TEXTURE_2D,e.getHandle(),0)},e.removeColorBuffer=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;const n=t.context;if(!n)return void et("you must set the OpenGLRenderWindow before calling removeColorBuffer");let r=n.COLOR_ATTACHMENT0;if(e>0){if(!t._openGLRenderWindow.getWebgl2())return void et("Using multiple framebuffer attachments requires WebGL 2");r+=e}n.framebufferTexture2D(n.FRAMEBUFFER,r,n.TEXTURE_2D,null,0),t.colorBuffers=t.colorBuffers.splice(e,1)},e.setDepthBuffer=e=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const n=t.context;n.framebufferTexture2D(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.TEXTURE_2D,e.getHandle(),0)}else et("Attaching depth buffer textures to fbo requires WebGL 2");else et("you must set the OpenGLRenderWindow before calling setDepthBuffer")},e.removeDepthBuffer=()=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const e=t.context;e.framebufferTexture2D(e.FRAMEBUFFER,e.DEPTH_ATTACHMENT,e.TEXTURE_2D,null,0)}else et("Attaching depth buffer textures to framebuffers requires WebGL 2");else et("you must set the OpenGLRenderWindow before calling removeDepthBuffer")},e.getGLFramebuffer=()=>t.glFramebuffer,e.setOpenGLRenderWindow=n=>{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.releaseGraphicsResources=()=>{t.glFramebuffer&&t.context.deleteFramebuffer(t.glFramebuffer)},e.getSize=()=>{const e=[0,0];return null!==t.glFramebuffer&&(e[0]=t.glFramebuffer.width,e[1]=t.glFramebuffer.height),e},e.populateFramebuffer=()=>{if(!t.context)return void et("you must set the OpenGLRenderWindow before calling populateFrameBuffer");e.bind();const n=t.context,r=Fd.newInstance();r.setOpenGLRenderWindow(t._openGLRenderWindow),r.setMinificationFilter(Cd.LINEAR),r.setMagnificationFilter(Cd.LINEAR),r.create2DFromRaw(t.glFramebuffer.width,t.glFramebuffer.height,4,ys.UNSIGNED_CHAR,null),e.setColorBuffer(r),t.depthTexture=n.createRenderbuffer(),n.bindRenderbuffer(n.RENDERBUFFER,t.depthTexture),n.renderbufferStorage(n.RENDERBUFFER,n.DEPTH_COMPONENT16,t.glFramebuffer.width,t.glFramebuffer.height),n.framebufferRenderbuffer(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.RENDERBUFFER,t.depthTexture)},e.getColorTexture=()=>t.colorBuffers[0]}const jp={glFramebuffer:null,colorBuffers:null,depthTexture:null,previousDrawBinding:0,previousReadBinding:0,previousDrawBuffer:0,previousReadBuffer:0,previousActiveFramebuffer:null};function Kp(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,jp,n),yt(e,t),t.colorBuffers&&et("you cannot initialize colorBuffers through the constructor. You should call setColorBuffer() instead."),t.colorBuffers=[],At(e,t,["colorBuffers"]),Hp(e,t)}var $p={newInstance:Et(Kp,"vtkFramebuffer"),extend:Kp};function qp(e,t){t.classHierarchy.push("vtkSelectionNode"),e.getBounds=()=>t.points.getBounds()}const Xp={contentType:-1,fieldType:-1,properties:null,selectionList:[]};function Yp(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Xp,n),jt.obj(e,t),t.properties={},jt.setGet(e,t,["contentType","fieldType","properties","selectionList"]),qp(e,t)}var Zp={newInstance:jt.newInstance(Yp,"vtkSelectionNode"),extend:Yp,SelectionContent:{GLOBALIDS:0,PEDIGREEIDS:1,VALUES:2,INDICES:3,FRUSTUM:4,LOCATIONS:5,THRESHOLDS:6,BLOCKS:7,QUERY:8},SelectionField:{CELL:0,POINT:1,FIELD:2,VERTEX:3,EDGE:4,ROW:5}};const{PassTypes:Qp}=jl,{SelectionContent:Jp,SelectionField:ef}=Zp,{FieldAssociations:tf}=al,{vtkErrorMacro:nf}=jt;function rf(e){return`${e.propID} ${e.compositeID}`}function of(e,t,n,r){return n?n[4*(t*(r[2]-r[0]+1)+e)+3]:0}function af(e,t,n,r){if(!n)return 0;const o=4*(t*(r[2]-r[0]+1)+e),a=n[o],i=n[o+1];return 256*(256*n[o+2]+i)+a}function sf(e,t){let n=t;return n<<=24,n|=e,n}function lf(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]e.area[2]||t[1]e.area[3])return null;const n=[t[0]-e.area[0],t[1]-e.area[1]],o=af(n[0],n[1],e.pixBuffer[Qp.ACTOR_PASS],e.area);if(o<=0||o-1>=e.props.length)return null;const a={valid:!0};a.propID=o-1,a.prop=e.props[a.propID];let i=af(n[0],n[1],e.pixBuffer[Qp.COMPOSITE_INDEX_PASS],e.area);if((i<0||i>16777215)&&(i=0),a.compositeID=i-1,e.captureZValues){const r=4*(n[1]*(e.area[2]-e.area[0]+1)+n[0]);a.zValue=(256*e.zBuffer[r]+e.zBuffer[r+1])/65535,a.displayPosition=t}if(e.pixBuffer[Qp.ID_LOW24]&&0===of(n[0],n[1],e.pixBuffer[Qp.ID_LOW24],e.area))return a;const s=af(n[0],n[1],e.pixBuffer[Qp.ID_LOW24],e.area),l=af(n[0],n[1],e.pixBuffer[Qp.ID_HIGH24],e.area);return a.attributeID=sf(s,l),a}const a=[t[0],t[1]],i=[0,0];let s=lf(e,t,0,r);if(s&&s.valid)return s;for(let t=1;tt?a[1]-t:0;n<=a[1]+t;++n){if(i[1]=n,a[0]>=t&&(i[0]=a[0]-t,s=lf(e,i,0,r),s&&s.valid))return s;if(i[0]=a[0]+t,s=lf(e,i,0,r),s&&s.valid)return s}for(let n=a[0]>=t?a[0]-(t-1):0;n<=a[0]+(t-1);++n){if(i[0]=n,a[1]>=t&&(i[1]=a[1]-t,s=lf(e,i,0,r),s&&s.valid))return s;if(i[1]=a[1]+t,s=lf(e,i,0,r),s&&s.valid)return s}}return r[0]=t[0],r[1]=t[1],null}function cf(e,t,n,r,o){const a=[];let i=0;return t.forEach(((t,s)=>{const l=Zp.newInstance();switch(l.setContentType(Jp.INDICES),e){case tf.FIELD_ASSOCIATION_CELLS:l.setFieldType(ef.CELL);break;case tf.FIELD_ASSOCIATION_POINTS:l.setFieldType(ef.POINT);break;default:nf("Unknown field association")}l.getProperties().propID=t.info.propID,l.getProperties().prop=t.info.prop,l.getProperties().compositeID=t.info.compositeID,l.getProperties().attributeID=t.info.attributeID,l.getProperties().pixelCount=t.pixelCount,n&&(l.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],l.getProperties().worldPosition=o.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,r)),l.setSelectionList(t.attributeIDs),a[i]=l,i++})),a}function uf(e,t,n,r,o){const a=Math.floor(t),i=Math.floor(n),s=Math.floor(r),l=Math.floor(o),c=new Map,u=[0,0];for(let t=i;t<=l;t++)for(let n=a;n<=s;n++){const r=lf(e,[n,t],0,u);if(r&&r.valid){const t=rf(r);if(c.has(t)){const n=c.get(t);n.pixelCount++,e.captureZValues&&r.zValue{t.rawPixBuffer=[],t.pixBuffer=[],t.zBuffer=null},e.beginSelection=()=>{t._openGLRenderer=t._openGLRenderWindow.getViewNodeFor(t._renderer),t.maxAttributeId=0;const n=t._openGLRenderWindow.getSize();if(t.framebuffer){t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers();const e=t.framebuffer.getSize();e[0]!==n[0]||e[1]!==n[1]?(t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer()):t.framebuffer.bind()}else t.framebuffer=$p.newInstance(),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer();if(t._openGLRenderer.clear(),t._openGLRenderer.setSelector(e),t.hitProps={},t.propPixels={},t.props=[],e.releasePixBuffers(),t.fieldAssociation===tf.FIELD_ASSOCIATION_POINTS){const e=t._openGLRenderWindow.getContext(),n=e.isEnabled(e.BLEND);e.disable(e.BLEND),t._openGLRenderWindow.traverseAllPasses(),n&&e.enable(e.BLEND)}},e.endSelection=()=>{t.hitProps={},t._openGLRenderer.setSelector(null),t.framebuffer.restorePreviousBindingsAndBuffers()},e.preCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending=e.isEnabled(e.BLEND),e.disable(e.BLEND)},e.postCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending&&e.enable(e.BLEND)},e.select=()=>{let n=null;return e.captureBuffers()&&(n=e.generateSelection(t.area[0],t.area[1],t.area[2],t.area[3]),e.releasePixBuffers()),n},e.getSourceDataAsync=async(n,r,o,a,i)=>{if(t._renderer=n,void 0===r){const n=t._openGLRenderWindow.getSize();e.setArea(0,0,n[0]-1,n[1]-1)}else e.setArea(r,o,a,i);if(!e.captureBuffers())return!1;const s={area:[...t.area],pixBuffer:[...t.pixBuffer],captureZValues:t.captureZValues,zBuffer:t.zBuffer,props:[...t.props],fieldAssociation:t.fieldAssociation,renderer:n,openGLRenderWindow:t._openGLRenderWindow,generateSelection:function(){for(var e=arguments.length,t=new Array(e),n=0;n{if(!t._renderer||!t._openGLRenderWindow)return nf("Renderer and view must be set before calling Select."),!1;t._openGLRenderer=t._openGLRenderWindow.getViewNodeFor(t._renderer),t._openGLRenderWindow.getRenderable().preRender(),e.invokeEvent({type:"StartEvent"}),t.originalBackground=t._renderer.getBackgroundByReference(),t._renderer.setBackground(0,0,0,0);const n=t._openGLRenderWindow.getRenderPasses();for(e.beginSelection(),t.currentPass=Qp.MIN_KNOWN_PASS;t.currentPass<=Qp.MAX_KNOWN_PASS;t.currentPass++)e.passRequired(t.currentPass)&&(e.preCapturePass(t.currentPass),t.captureZValues&&t.currentPass===Qp.ACTOR_PASS&&"function"==typeof n[0].requestDepth&&"function"==typeof n[0].getFramebuffer?(n[0].requestDepth(),t._openGLRenderWindow.traverseAllPasses()):t._openGLRenderWindow.traverseAllPasses(),e.postCapturePass(t.currentPass),e.savePixelBuffer(t.currentPass),e.processPixelBuffers());return e.endSelection(),t._renderer.setBackground(t.originalBackground),e.invokeEvent({type:"EndEvent"}),!0},e.processPixelBuffers=()=>{t.props.forEach(((n,r)=>{e.isPropHit(r)&&n.processSelectorPixelBuffers(e,t.propPixels[r])}))},e.passRequired=e=>{if(e===Qp.ID_HIGH24){if(t.fieldAssociation===tf.FIELD_ASSOCIATION_POINTS)return t.maximumPointId>16777215;if(t.fieldAssociation===tf.FIELD_ASSOCIATION_CELLS)return t.maximumCellId>16777215}return!0},e.savePixelBuffer=n=>{if(t.pixBuffer[n]=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),!t.rawPixBuffer[n]){const e=(t.area[2]-t.area[0]+1)*(t.area[3]-t.area[1]+1)*4;t.rawPixBuffer[n]=new Uint8Array(e),t.rawPixBuffer[n].set(t.pixBuffer[n])}if(n===Qp.ACTOR_PASS){if(t.captureZValues){const e=t._openGLRenderWindow.getRenderPasses();if("function"==typeof e[0].requestDepth&&"function"==typeof e[0].getFramebuffer){const n=e[0].getFramebuffer();n.saveCurrentBindingsAndBuffers(),n.bind(),t.zBuffer=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),n.restorePreviousBindingsAndBuffers()}}e.buildPropHitList(t.rawPixBuffer[n])}},e.buildPropHitList=e=>{let n=0;for(let r=0;r<=t.area[3]-t.area[1];r++)for(let o=0;o<=t.area[2]-t.area[0];o++){let a=af(o,r,e,t.area);a>0&&(a--,a in t.hitProps||(t.hitProps[a]=!0,t.propPixels[a]=[]),t.propPixels[a].push(4*n)),++n}},e.renderProp=n=>{t.currentPass===Qp.ACTOR_PASS&&(e.setPropColorValueFromInt(t.props.length+1),t.props.push(n))},e.renderCompositeIndex=n=>{t.currentPass===Qp.COMPOSITE_INDEX_PASS&&e.setPropColorValueFromInt(n+1)},e.renderAttributeId=e=>{e<0||(t.maxAttributeId=e>t.maxAttributeId?e:t.maxAttributeId)},e.passTypeToString=e=>jt.enumToString(Qp,e),e.isPropHit=e=>Boolean(t.hitProps[e]),e.setPropColorValueFromInt=e=>{t.propColorValue[0]=e%256/255,t.propColorValue[1]=Math.floor(e/256)%256/255,t.propColorValue[2]=Math.floor(e/65536)%256/255},e.getPixelInformation=(n,r,o)=>{const a=r<0?0:r;if(0===a){if(o[0]=n[0],o[1]=n[1],n[0]t.area[2]||n[1]t.area[3])return null;const e=[n[0]-t.area[0],n[1]-t.area[1]],r=af(e[0],e[1],t.pixBuffer[Qp.ACTOR_PASS],t.area);if(r<=0||r-1>=t.props.length)return null;const a={valid:!0};a.propID=r-1,a.prop=t.props[a.propID];let i=af(e[0],e[1],t.pixBuffer[Qp.COMPOSITE_INDEX_PASS],t.area);if((i<0||i>16777215)&&(i=0),a.compositeID=i-1,t.captureZValues){const r=4*(e[1]*(t.area[2]-t.area[0]+1)+e[0]);a.zValue=(256*t.zBuffer[r]+t.zBuffer[r+1])/65535,a.displayPosition=n}if(t.pixBuffer[Qp.ID_LOW24]&&0===of(e[0],e[1],t.pixBuffer[Qp.ID_LOW24],t.area))return a;const s=af(e[0],e[1],t.pixBuffer[Qp.ID_LOW24],t.area),l=af(e[0],e[1],t.pixBuffer[Qp.ID_HIGH24],t.area);return a.attributeID=sf(s,l),a}const i=[n[0],n[1]],s=[0,0];let l=e.getPixelInformation(n,0,o);if(l&&l.valid)return l;for(let t=1;tt?i[1]-t:0;n<=i[1]+t;++n){if(s[1]=n,i[0]>=t&&(s[0]=i[0]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[0]=i[0]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}for(let n=i[0]>=t?i[0]-(t-1):0;n<=i[0]+(t-1);++n){if(s[0]=n,i[1]>=t&&(s[1]=i[1]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[1]=i[1]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}}return o[0]=n[0],o[1]=n[1],null},e.generateSelection=(n,r,o,a)=>{const i=Math.floor(n),s=Math.floor(r),l=Math.floor(o),c=Math.floor(a),u=new Map,d=[0,0];for(let n=s;n<=c;n++)for(let r=i;r<=l;r++){const o=[r,n],a=e.getPixelInformation(o,0,d);if(a&&a.valid){const e=rf(a);if(u.has(e)){const n=u.get(e);n.pixelCount++,t.captureZValues&&a.zValuet.rawPixBuffer[e],e.getPixelBuffer=e=>t.pixBuffer[e],e.attach=(e,n)=>{t._openGLRenderWindow=e,t._renderer=n};const n=e.setArea;e.setArea=function(){return!!n(...arguments)&&(t.area[0]=Math.floor(t.area[0]),t.area[1]=Math.floor(t.area[1]),t.area[2]=Math.floor(t.area[2]),t.area[3]=Math.floor(t.area[3]),!0)}}const pf={area:void 0,currentPass:-1,propColorValue:null,props:null,maximumPointId:0,maximumCellId:0,idOffset:1};function ff(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,pf,n),Wp.extend(e,t,n),t.propColorValue=[0,0,0],t.props=[],t.area||(t.area=[0,0,0,0]),jt.setGetArray(e,t,["area"],4),jt.setGet(e,t,["_renderer","currentPass","_openGLRenderWindow","maximumPointId","maximumCellId"]),jt.setGetArray(e,t,["propColorValue"],3),jt.moveToProtected(e,t,["renderer","openGLRenderWindow"]),jt.event(e,t,"event"),df(e,t)}var gf={newInstance:jt.newInstance(ff,"vtkOpenGLHardwareSelector"),extend:ff,...jl};const{vtkErrorMacro:mf}=Kt,{Representation:hf}=ds,{ObjectType:vf}=Yu,{PassTypes:yf}=gf,bf={type:"StartEvent"},xf={type:"EndEvent"};function Tf(e,t){t.classHierarchy.push("vtkOpenGLGlyph3DMapper");const n={...e};e.renderPiece=(n,r)=>{if(e.invokeEvent(bf),t.renderable.getStatic()||t.renderable.update(),t.currentInput=t.renderable.getInputData(1),e.invokeEvent(xf),!t.currentInput)return void mf("No input!");if(!t.currentInput.getPoints||!t.currentInput.getPoints().getNumberOfValues())return;const o=t.context;t._openGLRenderWindow.getWebgl2()?(t.hardwareSupport=!0,t.extension=null):t.extension||(t.extension=t.context.getExtension("ANGLE_instanced_arrays"),t.hardwareSupport=!!t.extension);const a=r.getProperty().getBackfaceCulling(),i=r.getProperty().getFrontfaceCulling();a||i?i?(t._openGLRenderWindow.enableCullFace(),o.cullFace(o.FRONT)):(t._openGLRenderWindow.enableCullFace(),o.cullFace(o.BACK)):t._openGLRenderWindow.disableCullFace(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)},e.multiply4x4WithOffset=(e,t,n,r)=>{const o=t[0],a=t[1],i=t[2],s=t[3],l=t[4],c=t[5],u=t[6],d=t[7],p=t[8],f=t[9],g=t[10],m=t[11],h=t[12],v=t[13],y=t[14],b=t[15];let x=n[r],T=n[r+1],C=n[r+2],S=n[r+3];e[0]=x*o+T*l+C*p+S*h,e[1]=x*a+T*c+C*f+S*v,e[2]=x*i+T*u+C*g+S*y,e[3]=x*s+T*d+C*m+S*b,x=n[r+4],T=n[r+5],C=n[r+6],S=n[r+7],e[4]=x*o+T*l+C*p+S*h,e[5]=x*a+T*c+C*f+S*v,e[6]=x*i+T*u+C*g+S*y,e[7]=x*s+T*d+C*m+S*b,x=n[r+8],T=n[r+9],C=n[r+10],S=n[r+11],e[8]=x*o+T*l+C*p+S*h,e[9]=x*a+T*c+C*f+S*v,e[10]=x*i+T*u+C*g+S*y,e[11]=x*s+T*d+C*m+S*b,x=n[r+12],T=n[r+13],C=n[r+14],S=n[r+15],e[12]=x*o+T*l+C*p+S*h,e[13]=x*a+T*c+C*f+S*v,e[14]=x*i+T*u+C*g+S*y,e[15]=x*s+T*d+C*m+S*b},e.replaceShaderNormal=(e,r,o)=>{if(t.hardwareSupport&&t.lastBoundBO.getReferenceByName("lastLightComplexity")>0){let n=e.Vertex;t.lastBoundBO.getCABO().getNormalOffset()&&(n=dd.substitute(n,"//VTK::Normal::Dec",["attribute vec3 normalMC;","attribute mat3 gNormal;","uniform mat3 normalMatrix;","varying vec3 normalVCVSOutput;"]).result,n=dd.substitute(n,"//VTK::Normal::Impl",["normalVCVSOutput = normalMatrix * gNormal * normalMC;"]).result),e.Vertex=n}n.replaceShaderNormal(e,r,o)},e.replaceShaderColor=(e,r,o)=>{if(t.hardwareSupport&&t.renderable.getColorArray()){let n=e.Vertex,r=e.Geometry,o=e.Fragment;const a=t.lastBoundBO.getReferenceByName("lastLightComplexity");let i=["uniform float ambient;","uniform float diffuse;","uniform float specular;","uniform float opacityUniform; // the fragment opacity"];a&&(i=i.concat(["uniform vec3 specularColorUniform;","uniform float specularPowerUniform;"]));let s=["vec3 ambientColor;"," vec3 diffuseColor;"," float opacity;"];a&&(s=s.concat([" vec3 specularColor;"," float specularPower;"])),s=s.concat([" opacity = opacityUniform;"]),a&&(s=s.concat([" specularColor = specularColorUniform;"," specularPower = specularPowerUniform;"])),t.drawingEdges||(i=i.concat(["varying vec4 vertexColorVSOutput;"]),n=dd.substitute(n,"//VTK::Color::Dec",["attribute vec4 gColor;","varying vec4 vertexColorVSOutput;"]).result,n=dd.substitute(n,"//VTK::Color::Impl",["vertexColorVSOutput = gColor;"]).result,r=dd.substitute(r,"//VTK::Color::Dec",["in vec4 vertexColorVSOutput[];","out vec4 vertexColorGSOutput;"]).result,r=dd.substitute(r,"//VTK::Color::Impl",["vertexColorGSOutput = vertexColorVSOutput[i];"]).result,s=s.concat([" diffuseColor = vertexColorVSOutput.rgb;"," ambientColor = vertexColorVSOutput.rgb;"," opacity = opacity*vertexColorVSOutput.a;"])),o=dd.substitute(o,"//VTK::Color::Impl",s).result,o=dd.substitute(o,"//VTK::Color::Dec",i).result,e.Vertex=n,e.Geometry=r,e.Fragment=o}n.replaceShaderColor(e,r,o)},e.replaceShaderPositionVC=(e,r,o)=>{if(t.hardwareSupport){let n=e.Vertex;t.lastBoundBO.getReferenceByName("lastLightComplexity")>0?(n=dd.substitute(n,"//VTK::PositionVC::Impl",["vec4 gVertexMC = gMatrix * vertexMC;","vertexVCVSOutput = MCVCMatrix * gVertexMC;"," gl_Position = MCPCMatrix * gVertexMC;"]).result,n=dd.substitute(n,"//VTK::Camera::Dec",["attribute mat4 gMatrix;","uniform mat4 MCPCMatrix;","uniform mat4 MCVCMatrix;"]).result):(n=dd.substitute(n,"//VTK::Camera::Dec",["attribute mat4 gMatrix;","uniform mat4 MCPCMatrix;"]).result,n=dd.substitute(n,"//VTK::PositionVC::Impl",["vec4 gVertexMC = gMatrix * vertexMC;"," gl_Position = MCPCMatrix * gVertexMC;"]).result),e.Vertex=n}n.replaceShaderPositionVC(e,r,o)},e.replaceShaderPicking=(e,r,o)=>{if(t.hardwareSupport){let t=e.Fragment,n=e.Vertex;n=dd.substitute(n,"//VTK::Picking::Dec",["attribute vec3 mapperIndexVS;","varying vec3 mapperIndexVSOutput;"]).result,n=dd.substitute(n,"//VTK::Picking::Impl"," mapperIndexVSOutput = mapperIndexVS;").result,e.Vertex=n,t=dd.substitute(t,"//VTK::Picking::Dec",["varying vec3 mapperIndexVSOutput;","uniform vec3 mapperIndex;","uniform int picking;"]).result,t=dd.substitute(t,"//VTK::Picking::Impl",[" vec4 pickColor = picking == 2 ? vec4(mapperIndexVSOutput,1.0) : vec4(mapperIndex,1.0);"," gl_FragData[0] = picking != 0 ? pickColor : gl_FragData[0];"]).result,e.Fragment=t}else n.replaceShaderPicking(e,r,o)},e.updateGlyphShaderParameters=(n,r,o,a,i,s,l,c)=>{const u=o.getProgram();if(n){const e=t.normalMatrix,n=s,r=9*l,o=t.tmpMat3,a=e[0],i=e[1],c=e[2],d=e[3],p=e[4],f=e[5],g=e[6],m=e[7],h=e[8],v=n[r],y=n[r+1],b=n[r+2],x=n[r+3],T=n[r+4],C=n[r+5],S=n[r+6],P=n[r+7],A=n[r+8];o[0]=v*a+y*d+b*g,o[1]=v*i+y*p+b*m,o[2]=v*c+y*f+b*h,o[3]=x*a+T*d+C*g,o[4]=x*i+T*p+C*m,o[5]=x*c+T*f+C*h,o[6]=S*a+P*d+A*g,o[7]=S*i+P*p+A*m,o[8]=S*c+P*f+A*h,u.setUniformMatrix3x3("normalMatrix",t.tmpMat3)}if(e.multiply4x4WithOffset(t.tmpMat4,t.mcpcMatrix,i,16*l),u.setUniformMatrix("MCPCMatrix",t.tmpMat4),r&&(e.multiply4x4WithOffset(t.tmpMat4,t.mcvcMatrix,i,16*l),u.setUniformMatrix("MCVCMatrix",t.tmpMat4)),a){const e=a.getData();t.tmpColor[0]=e[4*l]/255,t.tmpColor[1]=e[4*l+1]/255,t.tmpColor[2]=e[4*l+2]/255,u.setUniform3fArray("ambientColorUniform",t.tmpColor),u.setUniform3fArray("diffuseColorUniform",t.tmpColor)}c&&u.setUniform3fArray("mapperIndex",c.getPropColorValue())},e.renderPieceDraw=(n,r)=>{const o=r.getProperty().getRepresentation(),a=t.context,i=r.getProperty().getEdgeVisibility()&&o===hf.SURFACE,s=t.openGLCamera.getKeyMatrices(n),l=t.openGLActor.getKeyMatrices();ve(t.normalMatrix,s.normalMatrix,l.normalMatrix),b(t.mcpcMatrix,s.wcpc,l.mcwc),b(t.mcvcMatrix,s.wcvc,l.mcwc);const c=t.renderable.getMatrixArray(),u=t.renderable.getNormalArray(),d=t.renderable.getColorArray(),p=c.length/16;let f=!1;t._openGLRenderer.getSelector()&&t._openGLRenderer.getSelector().getCurrentPass()===yf.COMPOSITE_INDEX_PASS&&(f=!0);for(let s=t.primTypes.Start;s{if(e.getCABO().getElementCount()&&(t.glyphBOBuildTime.getMTime()>e.getAttributeUpdateTime().getMTime()||e.getShaderSourceTime().getMTime()>e.getAttributeUpdateTime().getMTime()))return e.getProgram().isAttributeUsed("gMatrix")?e.getVAO().addAttributeMatrixWithDivisor(e.getProgram(),t.matrixBuffer,"gMatrix",0,64,t.context.FLOAT,4,!1,1)||mf("Error setting gMatrix in shader VAO."):e.getVAO().removeAttributeArray("gMatrix"),e.getProgram().isAttributeUsed("gNormal")?e.getVAO().addAttributeMatrixWithDivisor(e.getProgram(),t.normalBuffer,"gNormal",0,36,t.context.FLOAT,3,!1,1)||mf("Error setting gNormal in shader VAO."):e.getVAO().removeAttributeArray("gNormal"),e.getProgram().isAttributeUsed("gColor")?e.getVAO().addAttributeArrayWithDivisor(e.getProgram(),t.colorBuffer,"gColor",0,4,t.context.UNSIGNED_BYTE,4,!0,1,!1)||mf("Error setting gColor in shader VAO."):e.getVAO().removeAttributeArray("gColor"),e.getProgram().isAttributeUsed("mapperIndexVS")?e.getVAO().addAttributeArrayWithDivisor(e.getProgram(),t.pickBuffer,"mapperIndexVS",0,4,t.context.UNSIGNED_BYTE,4,!0,1,!1)||mf("Error setting mapperIndexVS in shader VAO."):e.getVAO().removeAttributeArray("mapperIndexVS"),n.setMapperShaderParameters(e,r,o),void e.getAttributeUpdateTime().modified();n.setMapperShaderParameters(e,r,o)},e.getNeedToRebuildBufferObjects=(e,r)=>(t.renderable.buildArrays(),t.VBOBuildTime.getMTime()!!(n.getNeedToRebuildShaders(e,r,o)||e.getShaderSourceTime().getMTime(){if(t.hardwareSupport){const e=t.renderable.getMatrixArray(),n=t.renderable.getNormalArray(),r=t.renderable.getColorArray();if(t.matrixBuffer||(t.matrixBuffer=Yu.newInstance(),t.matrixBuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.normalBuffer=Yu.newInstance(),t.normalBuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorBuffer=Yu.newInstance(),t.colorBuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.pickBuffer=Yu.newInstance(),t.pickBuffer.setOpenGLRenderWindow(t._openGLRenderWindow)),t.renderable.getBuildTime().getMTime()>t.glyphBOBuildTime.getMTime()){t.matrixBuffer.upload(e,vf.ARRAY_BUFFER),t.normalBuffer.upload(n,vf.ARRAY_BUFFER),r?t.colorBuffer.upload(r.getData(),vf.ARRAY_BUFFER):t.colorBuffer.releaseGraphicsResources();const o=e.length/16,a=new Uint8Array(4*o);for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Cf,n),op.extend(e,t,n),t.tmpMat3=pe(new Float64Array(9)),t.normalMatrix=pe(new Float64Array(9)),t.mcpcMatrix=g(new Float64Array(16)),t.mcvcMatrix=g(new Float64Array(16)),t.tmpColor=[],t.glyphBOBuildTime={},yt(t.glyphBOBuildTime,{mtime:0}),Tf(e,t)}),"vtkOpenGLGlyph3DMapper");rn("vtkGlyph3DMapper",Sf);const{vtkErrorMacro:Pf}=jt;class Af{constructor(){this.segmentMapping={},this.segments=[null],this.faces=[]}addSegment(e){const t=e[0],n=e[e.length-1];if(t===n||e.length<2)return;const r=this.segmentMapping[t],o=this.segmentMapping[n];if(void 0!==r&&void 0!==o)if(Math.abs(r)===Math.abs(o)){const a=r0)for(let t=1;t0){const t=this.segments[r];for(let n=1;n0){const n=this.segments[o];for(let t=1;t{const n=e[0];if(!n)return void Pf("Invalid or missing input");const r=hu.newInstance();r.shallowCopy(n);const o=new Af,a=n.getLines().getData();let i=0;for(;i2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,wf,n),jt.obj(e,t),jt.algo(e,t,1,1),If(e,t)}var Mf={newInstance:jt.newInstance(Of,"vtkClosedPolyLineToSurfaceFilter"),extend:Of};const{vtkErrorMacro:Rf}=Kt;function Vf(e,t){t.classHierarchy.push("vtkCutter");const n={...e};e.getMTime=()=>{let e=n.getMTime();return t.cutFunction?(e=Math.max(e,t.cutFunction.getMTime()),e):e},e.requestData=(e,n)=>{const r=e[0];if(!r)return void Rf("Invalid or missing input");if(!t.cutFunction)return void Rf("Missing cut function");const o=hu.newInstance();(function(e,n){const r=e.getPoints(),o=r.getData(),a=r.getNumberOfPoints(),i=[],s=[],l=[];(!t.cutScalars||t.cutScalars.length0;let r=!0;for(let t=1;t0!==e){r=!1;break}if(r)continue;const a=[];for(let e=0;e0;if(g[r]>0===i)continue;let s=e,l=r,c=g[l]-g[s];c<=0&&(s=r,l=e,c*=-1);let u=0;0!==c&&(u=(t.cutValue-g[s])/c);const d=n.cell[s],m=n.cell[l];p[0]=o[3*d],p[1]=o[3*d+1],p[2]=o[3*d+2],f[0]=o[3*m],f[1]=o[3*m+1],f[2]=o[3*m+2];const h=[p[0]+u*(f[0]-p[0]),p[1]+u*(f[1]-p[1]),p[2]+u*(f[2]-p[2])];a.push({pointEdge1:d,pointEdge2:m,intersectedPoint:h,newPointID:-1})}for(let e=0;e2&&(l.push(c),a.forEach((e=>{l.push(e.newPointID)})))}n.getPoints().setData(it(r.getDataType(),i),3),0!==s.length&&n.getLines().setData(Uint16Array.from(s)),0!==l.length&&n.getPolys().setData(Uint16Array.from(l))})(r,o),n[0]=o}}const Ef={cutFunction:null,cutScalars:null,cutValue:0};function Df(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ef,n),yt(e,t),Mt(e,t,1,1),Pt(e,t,["cutFunction","cutValue"]),Vf(e,t)}var Lf={newInstance:Et(Df,"vtkCutter"),extend:Df};const Bf=e=>e,Nf=1e-6;class kf{constructor(){let e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this.matrix=g(new Float64Array(16)),this.tmp=new Float64Array(3),this.angleConv=e?l:Bf}rotateFromDirections(e,t){const n=new Float64Array(3),r=new Float64Array(3),o=new Float64Array(16);An(n,e[0],e[1],e[2]),An(r,t[0],t[1],t[2]),Rn(n,n),Rn(r,r);const a=Vn(n,r);return a>=1||(En(this.tmp,n,r),Sn(this.tmp)1&&void 0!==arguments[1]?arguments[1]:0,n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:-1;if(sa(yo,this.matrix))return this;const r=-1===n?e.length:t+3*n;for(let n=t;n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Wf,n),jt.obj(e,t),jt.setGet(e,t,["xLength","yLength","zLength","generate3DTextureCoordinates","generateFaces","generateLines"]),jt.setGetArray(e,t,["center","rotations"],3),jt.setGetArray(e,t,["matrix"],16),t._polys=dc.newInstance({values:Uint16Array.from(Uf)}),t._lineCells=dc.newInstance({values:Uint16Array.from(Gf)}),jt.moveToProtected(e,t,["polys","lineCells"]),jt.algo(e,t,0,1),zf(e,t)}var jf={newInstance:jt.newInstance(Hf,"vtkCubeSource"),extend:Hf};const{vtkErrorMacro:Kf}=jt;function $f(e,t){t.classHierarchy.push("vtkImageDataOutlineFilter");const n={...e};e.requestData=(e,n)=>{const r=e[0];if(!r||!r.isA("vtkImageData"))return void Kf("Invalid or missing input");const o=r.getSpatialExtent();o?(t._cubeSource.setBounds(o),t._cubeSource.setMatrix(r.getIndexToWorld()),n[0]=t._cubeSource.getOutputData()):Kf("Unable to fetch spatial extents of input image.")},e.getMTime=()=>Math.max(n.getMTime(),t._cubeSource.getMTime()),e.setGenerateFaces=t._cubeSource.setGenerateFaces,e.setGenerateLines=t._cubeSource.setGenerateLines,e.getGenerateFaces=t._cubeSource.getGenerateFaces,e.getGenerateLines=t._cubeSource.getGenerateLines}const qf={};function Xf(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,qf,n),jt.obj(e,t),jt.algo(e,t,1,1),t._cubeSource=jf.newInstance(),jt.moveToProtected(e,t,["cubeSource","tmpOut"]),$f(e,t)}var Yf={newInstance:jt.newInstance(Xf,"vtkImageDataOutlineFilter"),extend:Xf};let Zf;function Qf(e,t){t.classHierarchy.push("vtkAbstractTransform","vtkHomogeneousTransform","vtkTransform"),e.transformPoint=(e,n)=>(Dn(n,e,t.matrix),n),e.transformPoints=(e,n)=>{const r=new Float64Array(3),o=new Float64Array(3);for(let a=0;a{e.setPreMultiplyFlag(!0)},e.postMultiply=()=>{e.setPreMultiplyFlag(!1)},e.transformMatrix=(e,n)=>(t.preMultiplyFlag?b(n,t.matrix,e):b(n,e,t.matrix),n),e.transformMatrices=(e,n)=>{const r=new Float64Array(16),o=new Float64Array(16),a=t.preMultiplyFlag?()=>b(o,t.matrix,r):()=>b(o,r,t.matrix);for(let t=0;tZf({matrix:Ga.invertMatrix(Array.from(t.matrix),[],4),preMultiplyFlag:t.preMultiplyFlag})}const Jf={preMultiplyFlag:!1,matrix:[...yo]};function eg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Jf,n),jt.obj(e,t),jt.setGet(e,t,["preMultiplyFlag"]),jt.setGetArray(e,t,["matrix"],16),Qf(e,t)}Zf=jt.newInstance(eg,"vtkTransform");var tg={newInstance:Zf,extend:eg};const ng={NEAREST:0,LINEAR:1};var rg={InterpolationType:ng};const{vtkErrorMacro:og}=Kt;function ag(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function ig(e,t,n){return t.identity(n),e.reduce(((e,n,r)=>0===r?n?t.copy(e,n):t.identity(e):n?t.multiply(e,e,n):e),n)}function sg(e,t){t.classHierarchy.push("vtkOpenGLImageResliceMapper"),e.buildPass=n=>{if(n){t.currentRenderPass=null,t._openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const n=t._openGLRenderer.getRenderable();t._openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera()),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow)}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t._openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getInputData(),t.currentInput?(e.updateResliceGeometry(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r),e.invokeEvent({type:"EndEvent"})):og("No input!")},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),r.getProperty().getInterpolationType()===ng.NEAREST?(t.openGLTexture.setMinificationFilter(Cd.NEAREST),t.openGLTexture.setMagnificationFilter(Cd.NEAREST),t.colorTexture.setMinificationFilter(Cd.NEAREST),t.colorTexture.setMagnificationFilter(Cd.NEAREST),t.pwfTexture.setMinificationFilter(Cd.NEAREST),t.pwfTexture.setMagnificationFilter(Cd.NEAREST)):(t.openGLTexture.setMinificationFilter(Cd.LINEAR),t.openGLTexture.setMagnificationFilter(Cd.LINEAR),t.colorTexture.setMinificationFilter(Cd.LINEAR),t.colorTexture.setMagnificationFilter(Cd.LINEAR),t.pwfTexture.setMinificationFilter(Cd.LINEAR),t.pwfTexture.setMagnificationFilter(Cd.LINEAR)),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const r=t.currentInput;if(!r)return;const o=r.getPointData()?.getScalars();if(!o)return;t._scalars!==o&&(t._openGLRenderWindow.releaseGraphicsResourcesForObject(t._scalars),t._scalars=o);const a=o.getNumberOfComponents();let i=`${r.getMTime()}A${o.getMTime()}`;const s=t._openGLRenderWindow.getGraphicsResourceForObject(o);if(s?.vtkObj&&s?.hash===i&&t.openGLTextureString===i)t.openGLTexture=s.vtkObj,t.openGLTextureString=s.hash;else{t.openGLTexture||(t.openGLTexture=Fd.newInstance(),t.openGLTexture.setOpenGLRenderWindow(t._openGLRenderWindow));const e=r.getDimensions();t.openGLTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.openGLTexture.releaseGraphicsResources(t._openGLRenderWindow),t.openGLTexture.resetFormatAndType(),t.openGLTexture.create3DFilterableFromDataArray(e[0],e[1],e[2],o),t.openGLTextureString=i,o&&t._openGLRenderWindow.setGraphicsResourceForObject(o,t.openGLTexture,t.openGLTextureString)}const l=n.getProperty(),c=l.getIndependentComponents(),u=c?a:1,d=c?2*u:1,p=l.getRGBTransferFunction();i=ag(l,p,u);const f=t._openGLRenderWindow.getGraphicsResourceForObject(p);if(f?.vtkObj&&f?.hash===i&&t.colorTextureString===i)t.colorTexture=f.vtkObj,t.colorTextureString=f.hash;else{const e=1024,n=new Uint8Array(e*d*3);if(t.colorTexture||(t.colorTexture=Fd.newInstance(),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow)),p){const r=new Float32Array(3*e);for(let t=0;t0){const e=t.resliceGeom.getPointData().getNormals();e?r.normals=e:og("Slab mode requested without normals")}t.tris.getCABO().createVBO(n,"polys",rs.SURFACE,r)}t.VBOBuildString=h,t.VBOBuildTime.modified()},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(a,r,o);const i=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==n.getProgram()&&(n.setProgram(i),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const a=n.getProgram();if(n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())){a.isUniformUsed("texture1")&&a.setUniformi("texture1",t.openGLTexture.getTextureUnit()),a.isAttributeUsed("vertexWC")&&(n.getVAO().addAttributeArray(a,n.getCABO(),"vertexWC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||og("Error setting vertexWC in shader VAO.")),a.isAttributeUsed("normalWC")&&(n.getVAO().addAttributeArray(a,n.getCABO(),"normalWC",n.getCABO().getNormalOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||og("Error setting normalWC in shader VAO.")),a.isUniformUsed("slabThickness")&&a.setUniformf("slabThickness",t.renderable.getSlabThickness()),a.isUniformUsed("spacing")&&a.setUniform3fv("spacing",t.currentInput.getSpacing()),a.isUniformUsed("slabType")&&a.setUniformi("slabType",t.renderable.getSlabType()),a.isUniformUsed("slabType")&&a.setUniformi("slabType",t.renderable.getSlabType()),a.isUniformUsed("slabTrapezoid")&&a.setUniformi("slabTrapezoid",t.renderable.getSlabTrapezoidIntegration());const e=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null;if(a.isUniformUsed("WCTCMatrix")){const n=t.currentInput,r=n.getDimensions();d(t.tmpMat4,n.getIndexToWorld()),T(t.tmpMat4,t.tmpMat4,r),h(t.tmpMat4,t.tmpMat4),e&&b(t.tmpMat4,t.tmpMat4,e),a.setUniformMatrix("WCTCMatrix",t.tmpMat4)}a.isUniformUsed("vboScaling")&&a.setUniform3fv("vboScaling",n.getCABO().getCoordScale()),n.getAttributeUpdateTime().modified()}if(t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),n.getProgram().isUniformUsed("coffset")){const t=e.getCoincidentParameters(r,o);n.getProgram().setUniformf("coffset",t.offset),n.getProgram().isUniformUsed("cfactor")&&n.getProgram().setUniformf("cfactor",t.factor)}},e.setCameraShaderParameters=(e,n,o)=>{const a=t._openGLCamera.getKeyMatrices(n),i=t._openGLImageSlice.getKeyMatrices(),s=e.getCABO().getCoordShiftAndScaleEnabled()?e.getCABO().getInverseShiftAndScaleMatrix():null,l=e.getProgram();l.isUniformUsed("MCPCMatrix")&&(g(t.tmpMat4),l.setUniformMatrix("MCPCMatrix",ig([a.wcpc,i.mcwc,s],r,t.tmpMat4))),l.isUniformUsed("MCVCMatrix")&&(g(t.tmpMat4),l.setUniformMatrix("MCVCMatrix",ig([a.wcvc,i.mcwc,s],r,t.tmpMat4)))},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),a=r.getProperty(),i=a.getOpacity();o.setUniformf("opacity",i);const s=t.openGLTexture.getComponents(),l=a.getIndependentComponents();if(l)for(let e=0;e{const o=t.openGLTexture.getComponents(),a=r.getProperty().getIndependentComponents(),i=t.renderable.getSlabThickness(),s=t.renderable.getSlabType(),l=t.renderable.getSlabTrapezoidIntegration();let c=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(c=!0),!(!c&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&0!==e.getProgram()?.getHandle()&&t.lastTextureComponents===o&&t.lastIndependentComponents===a&&t.lastSlabThickness===i&&t.lastSlabType===s&&t.lastSlabTrapezoidIntegration===l||(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=a,t.lastSlabThickness=i,t.lastSlabType=s,t.lastSlabTrapezoidIntegration=l,0))},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkImageResliceMapperVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\n// all variables that represent positions or directions have a suffix\n// indicating the coordinate system they are in. The possible values are\n// MC - Model coordinates\n// WC - World coordinates\n// VC - View coordinates\n// DC - Display coordinates\n// TC - Texture coordinates\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\nvoid main()\n{\n //VTK::PositionVC::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Picking::Impl\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkImageResliceMapperFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the gpu image mapper fragment shader\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n // VC position of this fragment. This should not branch/return/discard.\n //VTK::PositionVC::Impl\n\n // Place any calls that require uniform flow (e.g. dFdx) here.\n //VTK::UniformFlow::Impl\n\n // Set gl_FragDepth here (gl_FragCoord.z by default)\n //VTK::Depth::Impl\n\n // Early depth peeling abort:\n //VTK::DepthPeeling::PreColor\n\n //VTK::TCoord::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n\n //VTK::DepthPeeling::Impl\n\n //VTK::Picking::Impl\n\n // handle coincident offsets\n //VTK::Coincident::Impl\n\n //VTK::ZBuffer::Impl\n\n //VTK::RenderPassFragmentShader::Impl\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{if(e.replaceShaderTCoord(n,r,o),e.replaceShaderPositionVC(n,r,o),t.haveSeenDepthRequest){let e=n.Fragment;e=dd.substitute(e,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,e=dd.substitute(e,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result,n.Fragment=e}e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderTCoord=(e,n,r)=>{let o=e.Vertex;const a=e.Geometry;let i=e.Fragment;const s=t.renderable.getSlabThickness();o=dd.substitute(o,"//VTK::TCoord::Dec",["uniform mat4 WCTCMatrix;","out vec3 fragTexCoord;"]).result,o=dd.substitute(o,"//VTK::TCoord::Impl",["fragTexCoord = (WCTCMatrix * vertexWC).xyz;"]).result;const l=t.openGLTexture.getComponents(),c=r.getProperty().getIndependentComponents();let u=["in vec3 fragTexCoord;","uniform highp sampler3D texture1;","uniform mat4 WCTCMatrix;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;"];if(c){for(let e=1;e0&&(u=u.concat(["uniform vec3 spacing;","uniform float slabThickness;","uniform int slabType;","uniform int slabTrapezoid;","uniform vec3 vboScaling;"]),u=u.concat(["vec4 compositeValue(vec4 currVal, vec4 valToComp, int trapezoid)","{"," vec4 retVal = vec4(1.0);"," if (slabType == 0) // min"," {"," retVal = min(currVal, valToComp);"," }"," else if (slabType == 1) // max"," {"," retVal = max(currVal, valToComp);"," }"," else if (slabType == 3) // sum"," {"," retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); "," }"," else // mean"," {"," retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); "," }"," return retVal;","}"])),i=dd.substitute(i,"//VTK::TCoord::Dec",u).result;let d=["if (any(greaterThan(fragTexCoord, vec3(1.0))) || any(lessThan(fragTexCoord, vec3(0.0))))","{"," // set the background color and exit"," gl_FragData[0] = backgroundColor;"," return;","}","vec4 tvalue = texture(texture1, fragTexCoord);"];if(s>0&&(d=d.concat(["// Get the first and last samples","int numSlices = 1;","float scaling = min(min(spacing.x, spacing.y), spacing.z) * 0.5;","vec3 normalxspacing = scaling * normalWCVSOutput;","float distTraveled = length(normalxspacing);","int trapezoid = 0;","while (distTraveled < slabThickness * 0.5)","{"," distTraveled += length(normalxspacing);"," float fnumSlices = float(numSlices);"," if (distTraveled > slabThickness * 0.5)"," {"," // Before stepping outside the slab, sample at the boundaries"," normalxspacing = normalWCVSOutput * slabThickness * 0.5 / fnumSlices;"," trapezoid = slabTrapezoid;"," }"," vec3 fragTCoordNeg = (WCTCMatrix * vec4(vertexWCVSOutput.xyz - fnumSlices * normalxspacing * vboScaling, 1.0)).xyz;"," if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))"," {"," vec4 newVal = texture(texture1, fragTCoordNeg);"," tvalue = compositeValue(tvalue, newVal, trapezoid);"," numSlices += 1;"," }"," vec3 fragTCoordPos = (WCTCMatrix * vec4(vertexWCVSOutput.xyz + fnumSlices * normalxspacing * vboScaling, 1.0)).xyz;"," if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))"," {"," vec4 newVal = texture(texture1, fragTCoordPos);"," tvalue = compositeValue(tvalue, newVal, trapezoid);"," numSlices += 1;"," }","}","// Finally, if slab type is *mean*, divide the sum by the numSlices","if (slabType == 2)","{"," tvalue = tvalue / float(numSlices);","}"])),c){const e=["r","g","b","a"];for(let t=0;t{let a=n.Vertex;const i=n.Geometry;let s=n.Fragment;const l=t.renderable.getSlabThickness();let c=["attribute vec4 vertexWC;"];c=c.concat([`//${e.getMTime()}${t.resliceGeomUpdateString}`]),l>0&&(c=c.concat(["attribute vec3 normalWC;","varying vec3 normalWCVSOutput;","varying vec4 vertexWCVSOutput;"])),a=dd.substitute(a,"//VTK::PositionVC::Dec",c).result;let u=["gl_Position = MCPCMatrix * vertexWC;"];l>0&&(u=u.concat(["normalWCVSOutput = normalWC;","vertexWCVSOutput = vertexWC;"])),a=dd.substitute(a,"//VTK::PositionVC::Impl",u).result,a=dd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;","uniform mat4 MCVCMatrix;"]).result;let d=[];l>0&&(d=d.concat(["varying vec3 normalWCVSOutput;","varying vec4 vertexWCVSOutput;"])),s=dd.substitute(s,"//VTK::PositionVC::Dec",d).result,n.Vertex=a,n.Geometry=i,n.Fragment=s},e.updateResliceGeometry=()=>{let e="";const n=t.currentInput,r=n?.getBounds();let o=!0,a=2;const i=t.renderable.getSlicePolyData(),s=t.renderable.getSlicePlane();if(i)e=e.concat(`PolyData${i.getMTime()}`);else if(s){e=e.concat(`Plane${s.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`));const t=ue(n?.getDirection());ge(t,t);const r=[...s.getNormal()];Ln(r,r,t),[o,a]=function(e){Ga.normalize(e);const t=[0,0,0];for(let r=0;r<3;++r){(n=t)[0]=0,n[1]=0,n[2]=0,t[r]=1;const o=Ga.dot(e,t);if(o<-.999||o>.999)return[!0,r]}var n;return[!1,2]}(r)}else{const o=ei.newInstance();o.setNormal(0,0,1);let a=[0,1,0,1,0,1];n&&(a=r),o.setOrigin(a[0],a[2],.5*(a[5]+a[4])),t.renderable.setSlicePlane(o),e=e.concat(`Plane${s?.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`))}if(!t.resliceGeom||t.resliceGeomUpdateString!==e){if(i)t.resliceGeom||(t.resliceGeom=hu.newInstance()),t.resliceGeom.getPoints().setData(i.getPoints().getData(),3),t.resliceGeom.getPolys().setData(i.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(i.getPointData().getNormals());else if(s)if(o){const e=new Float32Array(12),r=n.worldToIndex(s.getOrigin(),[0,0,0]),o=[(a+1)%3,(a+2)%3].sort(),i=n.getDimensions(),l=[0,i[0]-1,0,i[1]-1,0,i[2]-1];let c=0;for(let t=0;t<2;++t)for(let n=0;n<2;++n)e[c+a]=r[a],e[c+o[0]]=l[2*o[0]+n],e[c+o[1]]=l[2*o[1]+t],c+=3;t.transform.setMatrix(n.getIndexToWorld()),t.transform.transformPoints(e,e);const u=new Uint16Array(8);u[0]=3,u[1]=0,u[2]=1,u[3]=3,u[4]=3,u[5]=0,u[6]=3,u[7]=2;const d=s.getNormal();Ga.normalize(d);const p=new Float32Array(12);for(let e=0;e<4;++e)p[3*e]=d[0],p[3*e+1]=d[1],p[3*e+2]=d[2];t.resliceGeom||(t.resliceGeom=hu.newInstance()),t.resliceGeom.getPoints().setData(e,3),t.resliceGeom.getPolys().setData(u,1);const f=Es.newInstance({numberOfComponents:3,values:p,name:"Normals"});t.resliceGeom.getPointData().setNormals(f)}else{t.outlineFilter.setInputData(n),t.cutter.setInputConnection(t.outlineFilter.getOutputPort()),t.cutter.setCutFunction(s),t.lineToSurfaceFilter.setInputConnection(t.cutter.getOutputPort()),t.lineToSurfaceFilter.update(),t.resliceGeom||(t.resliceGeom=hu.newInstance());const e=t.lineToSurfaceFilter.getOutputData();t.resliceGeom.getPoints().setData(e.getPoints().getData(),3),t.resliceGeom.getPolys().setData(e.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(e.getPointData().getNormals());const r=s.getNormal(),o=t.resliceGeom.getNumberOfPoints();Ga.normalize(r);const a=new Float32Array(3*o);for(let e=0;e{e&&(t.openGLTexture=e,t._externalOpenGLTexture=!0)}}const lg={VBOBuildTime:{},VBOBuildString:null,haveSeenDepthRequest:!1,lastHaveSeenDepthRequest:!1,lastIndependentComponents:!1,lastTextureComponents:0,lastSlabThickness:0,lastSlabTrapezoidIntegration:0,lastSlabType:-1,openGLTexture:null,openGLTextureString:null,colorTextureString:null,pwfTextureString:null,resliceGeom:null,resliceGeomUpdateString:null,tris:null,colorTexture:null,pwfTexture:null,_externalOpenGLTexture:!1,_scalars:null};const cg=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,lg,n),Zt.extend(e,t,n),Ud(e,t,n),zd(e,t,n),t.tris=xd.newInstance(),t.openGLTexture=null,t.colorTexture=null,t.pwfTexture=null,t.VBOBuildTime={},yt(t.VBOBuildTime),t.tmpMat4=g(new Float64Array(16)),t.outlineFilter=Yf.newInstance(),t.outlineFilter.setGenerateFaces(!0),t.outlineFilter.setGenerateLines(!1),t.cubePolyData=hu.newInstance(),t.cutter=Lf.newInstance(),t.lineToSurfaceFilter=Mf.newInstance(),t.transform=tg.newInstance(),xt(e,t,["openGLTexture"]),sg(e,t)}),"vtkOpenGLImageResliceMapper");rn("vtkImageResliceMapper",cg);var ug={SlicingMode:{NONE:-1,I:0,J:1,K:2,X:3,Y:4,Z:5}};const{vtkErrorMacro:dg}=Kt,{SlicingMode:pg}=ug;function fg(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function gg(e){const t=e.split("\n"),n=[];for(let e=0;e0&&n.push(r)}return n}function mg(e,t){t.classHierarchy.push("vtkOpenGLImageMapper"),e.buildPass=n=>{if(n){t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow);const n=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera()),t.renderable.isA("vtkImageMapper")&&t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(n.getActiveCamera())}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.getShaderTemplate=(e,t,n)=>{e.Vertex=_d,e.Fragment=Gd,e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let a=n.Vertex,i=n.Fragment;a=dd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,a=dd.substitute(a,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result,a=dd.substitute(a,"//VTK::TCoord::Impl","tcoordVCVSOutput = tcoordMC;").result,a=dd.substitute(a,"//VTK::TCoord::Dec","attribute vec2 tcoordMC; varying vec2 tcoordVCVSOutput;").result;const s=t.openGLTexture.getComponents(),l=o.getProperty().getIndependentComponents();let c=["varying vec2 tcoordVCVSOutput;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D texture1;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform sampler2D labelOutlineTexture1;","uniform float opacity;","uniform float outlineOpacity;"];if(l){for(let e=1;e 0.01) {\n for (int i = -actualThickness; i <= actualThickness; i++) {\n for (int j = -actualThickness; j <= actualThickness; j++) {\n if (i == 0 || j == 0) {\n continue;\n }\n vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n gl_FragCoord.y + float(j),\n gl_FragCoord.z, gl_FragCoord.w);\n vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n float value = texture2D(texture1, neighborPosIS.xy).r;\n if (value != centerValue) {\n pixelOnBorder = true;\n break;\n }\n }\n if (pixelOnBorder == true) {\n break;\n }\n }\n if (pixelOnBorder == true) {\n gl_FragData[0] = vec4(tColor, outlineOpacity);\n }\n else {\n gl_FragData[0] = vec4(tColor, opacityToUse);\n }\n }\n #else\n float intensity = texture2D(texture1, tcoordVCVSOutput).r;\n vec3 tcolor = texture2D(colorTexture1, vec2(intensity * cscale0 + cshift0, 0.5)).rgb;\n float scalarOpacity = texture2D(pwfTexture1, vec2(intensity * pwfscale0 + pwfshift0, 0.5)).r;\n gl_FragData[0] = vec4(tcolor, scalarOpacity * opacity);\n #endif\n ")]).result;break;case 2:i=dd.substitute(i,"//VTK::TCoord::Impl",["vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);","float intensity = tcolor.r*cscale0 + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(intensity, 0.5)).rgb, pwfscale0*tcolor.g + pwfshift0);"]).result;break;case 3:i=dd.substitute(i,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, opacity);"]).result;break;default:i=dd.substitute(i,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, tcolor.a);"]).result}t.haveSeenDepthRequest&&(i=dd.substitute(i,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,i=dd.substitute(i,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),n.Vertex=a,n.Fragment=i,e.replaceShaderClip(n,r,o),e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderClip=(e,n,r)=>{let o=e.Vertex,a=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(et("OpenGL has a limit of 6 clipping planes"),e=6),o=dd.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=dd.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,a=dd.substitute(a,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,a=dd.substitute(a,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=a},e.getNeedToRebuildShaders=(e,n,r)=>{const o=t.openGLTexture.getComponents(),a=r.getProperty().getIndependentComponents();let i=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(i=!0),!(!i&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&0!==e.getProgram()?.getHandle()&&t.lastTextureComponents===o&&t.lastIndependentComponents===a||(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=a,0))},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(a,r,o);const i=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==n.getProgram()&&(n.setProgram(i),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||dg("Error setting vertexMC in shader VAO.")),n.getProgram().isAttributeUsed("tcoordMC")&&n.getCABO().getTCoordOffset()&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"tcoordMC",n.getCABO().getTCoordOffset(),n.getCABO().getStride(),t.context.FLOAT,n.getCABO().getTCoordComponents(),t.context.FALSE)||dg("Error setting tcoordMC in shader VAO.")),n.getAttributeUpdateTime().modified());const a=t.openGLTexture.getTextureUnit();n.getProgram().setUniformi("texture1",a);const i=t.openGLTexture.getComponents(),s=o.getProperty().getIndependentComponents();if(s)for(let e=0;e6&&(et("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,a=r?d(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(m(a,a),b(a,a,r),m(a,a)),m(t.imagemat,t.currentInput.getIndexToWorld()),b(t.imagematinv,a,t.imagemat);const i=[];for(let n=0;n{const a=n.getProgram(),i=t.openGLImageSlice.getKeyMatrices(),s=t.currentInput,l=s.getIndexToWorld();b(t.imagemat,i.mcwc,l);const c=t.openGLCamera.getKeyMatrices(r);if(b(t.imagemat,c.wcpc,t.imagemat),n.getCABO().getCoordShiftAndScaleEnabled()){const e=n.getCABO().getInverseShiftAndScaleMatrix();b(t.imagemat,t.imagemat,e)}if(a.setUniformMatrix("MCPCMatrix",t.imagemat),!0===o.getProperty().getUseLabelOutline()){const n=s.getWorldToIndex(),o=s.getDimensions();a.setUniform3i("imageDimensions",o[0],o[1],1),a.setUniformMatrix("vWCtoIDX",n);const i=t.openGLCamera.getKeyMatrices(r);h(t.projectionToWorld,i.wcpc),t.openGLCamera.getKeyMatrices(r),a.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const l=e.getRenderTargetSize();a.setUniformf("vpWidth",l[0]),a.setUniformf("vpHeight",l[1]);const c=e.getRenderTargetOffset();a.setUniformf("vpOffsetX",c[0]/l[0]),a.setUniformf("vpOffsetY",c[1]/l[1])}},e.setPropertyShaderParameters=(e,t,n)=>{const r=e.getProgram(),o=n.getProperty().getOpacity();r.setUniformf("opacity",o)},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),t.labelOutlineThicknessTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),t.labelOutlineThicknessTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getCurrentImage(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):dg("No input!")},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():wa(t.bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const o=t.currentInput;if(!o)return;const a=o.getPointData()&&o.getPointData().getScalars();if(!a)return;const i=a.getDataType(),s=a.getNumberOfComponents(),l=r.getProperty(),c=l.getInterpolationType(),u=l.getIndependentComponents(),d=u?s:1,p=u?2*d:1,f=l.getRGBTransferFunction(),g=fg(l,f,d),m=t._openGLRenderWindow.getGraphicsResourceForObject(f);if(m?.vtkObj&&m?.hash===g&&t.colorTextureString===g)t.colorTexture=m.vtkObj,t.colorTextureString=m.hash;else{const e=1024,n=new Uint8Array(e*p*3);if(t.colorTexture||(t.colorTexture=Fd.newInstance({resizable:!0}),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow)),c===ng.NEAREST?(t.colorTexture.setMinificationFilter(Cd.NEAREST),t.colorTexture.setMagnificationFilter(Cd.NEAREST)):(t.colorTexture.setMinificationFilter(Cd.LINEAR),t.colorTexture.setMagnificationFilter(Cd.LINEAR)),f){const r=new Float32Array(3*e);for(let t=0;t1?1:0;const d=[pg.X,pg.Y,pg.Z].includes(t.renderable.getSlicingMode())?x:T,p=o.getSpatialExtent(),f=a.getData();let g=null;if(b===pg.I){g=new f.constructor(e[2]*e[1]*s);let t=0;for(let n=0;n{t.labelOutlineThicknessTexture||(t.labelOutlineThicknessTexture=Fd.newInstance({resizable:!1}),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow));const n=e.getProperty().getLabelOutlineThickness(),r=t._openGLRenderWindow.getGraphicsResourceForObject(n),o=`${n.join("-")}`;if(r?.vtkObj&&r?.hash===o&&t.labelOutlineThicknessTextureString===o)t.labelOutlineThicknessTexture=r.vtkObj,t.labelOutlineThicknessTextureString=r.hash;else{const e=1024,r=1,a=new Uint8Array(e*r);for(let t=0;t{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]}}const hg={VBOBuildTime:0,VBOBuildString:null,openGLTexture:null,tris:null,imagemat:null,imagematinv:null,colorTexture:null,pwfTexture:null,labelOutlineThicknessTexture:null,labelOutlineThicknessTextureString:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,_scalars:null};const vg=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,hg,n),Zt.extend(e,t,n),Ud(e,t,n),zd(e,t,n),t.tris=xd.newInstance(),t.imagemat=g(new Float64Array(16)),t.imagematinv=g(new Float64Array(16)),t.projectionToWorld=g(new Float64Array(16)),t.idxToView=g(new Float64Array(16)),t.idxNormalMatrix=pe(new Float64Array(9)),t.modelToView=g(new Float64Array(16)),t.projectionToView=g(new Float64Array(16)),Pt(e,t,[]),t.VBOBuildTime={},yt(t.VBOBuildTime),mg(e,t)}),"vtkOpenGLImageMapper");rn("vtkAbstractImageMapper",vg);const{vtkErrorMacro:yg}=jt;function bg(e,t,n){if(t.apply(e)){const t=e.getIndependentComponents();return`${e.getMTime()}-${t}-${n}`}return"0"}function xg(e,t){t.classHierarchy.push("vtkOpenGLImageCPRMapper"),e.buildPass=n=>{n&&(t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.openGLCamera=t._openGLRenderer.getViewNodeFor(t._openGLRenderer.getRenderable().getActiveCamera()),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.volumeTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.pwfTexture.setOpenGLRenderWindow(t._openGLRenderWindow))},e.opaquePass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.opaqueZBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),e.invokeEvent({type:"EndEvent"}),t.renderable.preRenderCheck()&&(t.currentImageDataInput=t.renderable.getInputData(0),t.currentCenterlineInput=t.renderable.getOrientedCenterline(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r))},e.renderPieceStart=(t,n)=>{e.updateBufferObjects(t,n)},e.renderPieceDraw=(n,r)=>{const o=t.context;t.volumeTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.volumeTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>{const o=t.VBOBuildTime.getMTime();return o{const r=t.currentImageDataInput,o=t.currentCenterlineInput;n.getProperty().getInterpolationType()===ng.NEAREST?(t.volumeTexture.setMinificationFilter(Cd.NEAREST),t.volumeTexture.setMagnificationFilter(Cd.NEAREST),t.colorTexture.setMinificationFilter(Cd.NEAREST),t.colorTexture.setMagnificationFilter(Cd.NEAREST),t.pwfTexture.setMinificationFilter(Cd.NEAREST),t.pwfTexture.setMagnificationFilter(Cd.NEAREST)):(t.volumeTexture.setMinificationFilter(Cd.LINEAR),t.volumeTexture.setMagnificationFilter(Cd.LINEAR),t.colorTexture.setMinificationFilter(Cd.LINEAR),t.colorTexture.setMagnificationFilter(Cd.LINEAR),t.pwfTexture.setMinificationFilter(Cd.LINEAR),t.pwfTexture.setMagnificationFilter(Cd.LINEAR));const a=r.getMTime();if(t.volumeTextureTime!==a){const e=r.getDimensions(),n=r.getPointData().getScalars();if(!n)return;t.volumeTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.volumeTexture.releaseGraphicsResources(t._openGLRenderWindow),t.volumeTexture.resetFormatAndType(),t.volumeTexture.create3DFilterableFromRaw(e[0],e[1],e[2],n.getNumberOfComponents(),n.getDataType(),n.getData(),t.renderable.getPreferSizeOverAccuracy()),t.volumeTextureTime=a}const i=r.getPointData()&&r.getPointData().getScalars();if(!i)return;const s=i.getNumberOfComponents(),l=n.getProperty(),c=l.getIndependentComponents(),u=c?s:1,d=c?2*u:1,p=bg(l,l.getRGBTransferFunction,u);if(t.colorTextureString!==p){const e=1024,n=new Uint8Array(e*d*3);let r=l.getRGBTransferFunction();if(r){const o=new Float32Array(3*e);for(let t=0;t{const o=t.volumeTexture.getComponents(),a=r.getProperty().getIndependentComponents(),i=!!t.renderable.getCenterPoint(),s=t.renderable.getUseUniformOrientation();return(0===e.getProgram()||t.lastUseCenterPoint!==i||t.lastUseUniformOrientation!==s||t.lastHaveSeenDepthRequest!==t.haveSeenDepthRequest||t.lastTextureComponents!==o||t.lastIndependentComponents!==a)&&(t.lastUseCenterPoint=i,t.lastUseUniformOrientation=s,t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=a,!0)},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.replaceShaderValues=(n,r,o)=>{let a=n.Vertex,i=n.Fragment;a=dd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,a=dd.substitute(a,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result;const s=["attribute vec3 centerlinePosition;","attribute float quadIndex;","uniform float width;","out vec2 quadOffsetVSOutput;","out vec3 centerlinePosVSOutput;"],l=t.renderable.getUseUniformOrientation();l?s.push("out vec3 centerlineDirVSOutput;","uniform vec3 centerlineDirection;"):s.push("out vec3 centerlineTopDirVSOutput;","out vec3 centerlineBotDirVSOutput;","out float centerlineAngleVSOutput;","attribute vec3 centerlineTopDirection;","attribute vec3 centerlineBotDirection;"),a=dd.substitute(a,"//VTK::Color::Dec",s).result;const c=["quadOffsetVSOutput = vec2(width * (mod(quadIndex, 2.0) == 0.0 ? -0.5 : 0.5), quadIndex > 1.0 ? 0.0 : 1.0);","centerlinePosVSOutput = centerlinePosition;"];l?c.push("centerlineDirVSOutput = centerlineDirection;"):c.push("vec3 sumVec = centerlineTopDirection + centerlineBotDirection;","float sumLen2 = dot(sumVec, sumVec);","float diffLen2 = 4.0 - sumLen2;","if (diffLen2 < 0.001) {"," // vectors are too close to each other, use lerp"," centerlineAngleVSOutput = -1.0; // use negative angle as a flag for lerp"," centerlineTopDirVSOutput = centerlineTopDirection;"," centerlineBotDirVSOutput = centerlineBotDirection;","} else if (sumLen2 == 0.0) {"," // vector are opposite to each other, don't make a choice for the user"," // use slerp without direction, it will display the centerline color on each row of pixel"," centerlineAngleVSOutput = 0.0;"," centerlineTopDirVSOutput = vec3(0.0);"," centerlineBotDirVSOutput = vec3(0.0);","} else {"," // use slerp"," centerlineAngleVSOutput = 2.0 * atan(sqrt(diffLen2/sumLen2));"," float sinAngle = sin(centerlineAngleVSOutput);"," centerlineTopDirVSOutput = centerlineTopDirection / sinAngle;"," centerlineBotDirVSOutput = centerlineBotDirection / sinAngle;","}"),a=dd.substitute(a,"//VTK::Color::Impl",c).result;const u=t.volumeTexture.getComponents(),d=o.getProperty().getIndependentComponents();let p=["uniform mat4 MCTCMatrix; // Model coordinates to texture coordinates","in vec2 quadOffsetVSOutput;","in vec3 centerlinePosVSOutput;","uniform highp sampler3D volumeTexture;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;"];l?p.push("in vec3 centerlineDirVSOutput;"):p.push("in vec3 centerlineTopDirVSOutput;","in vec3 centerlineBotDirVSOutput;","in float centerlineAngleVSOutput;");const f=t.renderable.getCenterPoint();if(f&&p.push("uniform vec3 globalCenterPoint;"),d){for(let e=1;e{let o=e.Vertex,a=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(jt.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6),o=dd.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=dd.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,a=dd.substitute(a,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,a=dd.substitute(a,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=a},e.getShaderTemplate=(e,t,n)=>{e.Vertex=_d,e.Fragment=Gd,e.Geometry=""},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||yg("Error setting vertexMC in shader VAO.")),n.getCABO().getCustomData().forEach((e=>{e&&n.getProgram().isAttributeUsed(e.name)&&!n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),e.name,e.offset,n.getCABO().getStride(),t.context.FLOAT,e.components,t.context.FALSE)&&yg(`Error setting ${e.name} in shader VAO.`)})),n.getAttributeUpdateTime().modified());const a=t.volumeTexture.getTextureUnit();if(n.getProgram().setUniformi("volumeTexture",a),n.getProgram().setUniformf("width",t.renderable.getWidth()),n.getProgram().setUniform4f("backgroundColor",...t.renderable.getBackgroundColor()),n.getProgram().isUniformUsed("centerlineDirection")){const e=t.renderable.getUniformDirection();n.getProgram().setUniform3fArray("centerlineDirection",e)}if(n.getProgram().isUniformUsed("globalCenterPoint")){const e=t.renderable.getCenterPoint();n.getProgram().setUniform3fArray("globalCenterPoint",e)}const i=t.currentImageDataInput,s=i.getWorldToIndex(),l=w(new Float32Array(16),Mn([],i.getDimensions())),c=oe(l,l,s);if(n.getProgram().setUniformMatrix("MCTCMatrix",c),t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(jt.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,a=r?d(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(m(a,a),b(a,a,r),m(a,a)),m(t.imagemat,t.currentImageDataInput.getIndexToWorld()),b(t.imagematinv,a,t.imagemat);const i=[];for(let n=0;n{const o=t.openGLImageSlice.getKeyMatrices().mcwc,a=t.openGLCamera.getKeyMatrices(n).wcpc;if(b(t.imagemat,a,o),e.getCABO().getCoordShiftAndScaleEnabled()){const n=e.getCABO().getInverseShiftAndScaleMatrix();b(t.imagemat,t.imagemat,n)}e.getProgram().setUniformMatrix("MCPCMatrix",t.imagemat)},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),a=r.getProperty(),i=a.getOpacity();o.setUniformf("opacity",i);const s=t.volumeTexture.getComponents(),l=a.getIndependentComponents();if(l)for(let e=0;e{if(e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(a,r,o);const i=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==n.getProgram()&&(n.setProgram(i),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)}}const Tg={currentRenderPass:null,volumeTexture:null,volumeTextureTime:0,colorTexture:null,colorTextureString:null,pwfTexture:null,pwfTextureString:null,tris:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,lastIndependentComponents:0,imagemat:null,imagematinv:null};const Cg=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Tg,n),Zt.extend(e,t,n),Ud(e,t,n),jt.algo(e,t,2,0),t.tris=xd.newInstance(),t.volumeTexture=Fd.newInstance(),t.colorTexture=Fd.newInstance(),t.pwfTexture=Fd.newInstance(),t.imagemat=g(new Float64Array(16)),t.imagematinv=g(new Float64Array(16)),t.VBOBuildTime={},jt.obj(t.VBOBuildTime,{mtime:0}),xg(e,t)}),"vtkOpenGLImageCPRMapper");function Sg(e,t){t.classHierarchy.push("vtkOpenGLImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes()}},e.traverseZBufferPass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseOpaqueZBufferPass=t=>e.traverseOpaquePass(t),e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t._openGLRenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.zBufferPass=(t,n)=>e.opaquePass(t,n),e.opaqueZBufferPass=(t,n)=>e.opaquePass(t,n),e.opaquePass=(e,n)=>{e&&t.context.depthMask(!0)},e.translucentPass=(e,n)=>{t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(d(t.keyMatrices.mcwc,t.renderable.getMatrix()),m(t.keyMatrices.mcwc,t.keyMatrices.mcwc),t.keyMatrixTime.modified()),t.keyMatrices)}rn("vtkImageCPRMapper",Cg);const Pg={context:null,keyMatrixTime:null,keyMatrices:null};const Ag=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Pg,n),Zt.extend(e,t,n),t.keyMatrixTime={},yt(t.keyMatrixTime,{mtime:0}),t.keyMatrices={mcwc:g(new Float64Array(16))},Pt(e,t,["context"]),Sg(e,t)}),"vtkOpenGLImageSlice");function Ig(e,t){t.classHierarchy.push("vtkOpenGLVolume"),e.buildPass=n=>{t.renderable&&t.renderable.getVisibility()&&n&&(t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes())},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;n.incrementVolumeCount()}},e.traverseVolumePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children[0].traverse(n),e.apply(n,!1))},e.volumePass=e=>{t.renderable&&t.renderable.getVisibility()&&t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(t.renderable.computeMatrix(),d(t.MCWCMatrix,t.renderable.getMatrix()),m(t.MCWCMatrix,t.MCWCMatrix),t.renderable.getIsIdentity()?pe(t.normalMatrix):(se(t.normalMatrix,t.MCWCMatrix),ge(t.normalMatrix,t.normalMatrix),fe(t.normalMatrix,t.normalMatrix)),t.keyMatrixTime.modified()),{mcwc:t.MCWCMatrix,normalMatrix:t.normalMatrix})}rn("vtkImageSlice",Ag);const wg={};const Og=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,wg,n),Zt.extend(e,t,n),t.keyMatrixTime={},yt(t.keyMatrixTime,{mtime:0}),t.normalMatrix=new Float64Array(9),t.MCWCMatrix=new Float64Array(16),Pt(e,t,["context"]),Ig(e,t)}),"vtkOpenGLVolume");rn("vtkVolume",Og);const Mg=0,Rg=1,Vg=1,Eg=0,Dg=1,Lg=2,Bg=3,Ng=4,{vtkWarningMacro:kg,vtkErrorMacro:Fg}=Kt;function _g(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function Gg(e,t){t.classHierarchy.push("vtkOpenGLVolumeMapper"),e.buildPass=()=>{t.zBufferTexture=null},e.zBufferPass=(e,n)=>{if(e){const e=n.getZBufferTexture();e!==t.zBufferTexture&&(t.zBufferTexture=e)}},e.opaqueZBufferPass=(t,n)=>e.zBufferPass(t,n),e.volumePass=(n,r)=>{if(n){t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.jitterTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.scalarTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.opacityTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.openGLVolume=e.getFirstAncestorOfType("vtkOpenGLVolume");const n=t.openGLVolume.getRenderable();t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const r=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(r.getActiveCamera()),e.renderPiece(r,n)}},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexDC;\n\nvarying vec3 vertexVCVSOutput;\nuniform mat4 PCVCMatrix;\n\nuniform float dcxmin;\nuniform float dcxmax;\nuniform float dcymin;\nuniform float dcymax;\n\nvoid main()\n{\n // dcsmall is the device coords reduced to the\n // x y area covered by the volume\n vec4 dcsmall = vec4(\n dcxmin + 0.5 * (vertexDC.x + 1.0) * (dcxmax - dcxmin),\n dcymin + 0.5 * (vertexDC.y + 1.0) * (dcymax - dcymin),\n vertexDC.z,\n vertexDC.w);\n vec4 vcpos = PCVCMatrix * dcsmall;\n vertexVCVSOutput = vcpos.xyz/vcpos.w;\n gl_Position = dcsmall;\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkVolumeFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the volume mappers fragment shader\n\n// the output of this shader\n//VTK::Output::Dec\n\nvarying vec3 vertexVCVSOutput;\n\n// first declare the settings from the mapper\n// that impact the code paths in here\n\n// always set vtkNumComponents 1,2,3,4\n//VTK::NumComponents\n\n// possibly define vtkTrilinearOn\n//VTK::TrilinearOn\n\n// possibly define vtkIndependentComponents\n//VTK::IndependentComponentsOn\n\n// possibly define any \"proportional\" components\n//VTK::vtkProportionalComponents\n\n// Define the blend mode to use\n#define vtkBlendMode //VTK::BlendMode\n\n// Possibly define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n#ifdef vtkImageLabelOutlineOn\n\nuniform float outlineOpacity;\nuniform float vpWidth;\nuniform float vpHeight;\nuniform float vpOffsetX;\nuniform float vpOffsetY;\nuniform mat4 PCWCMatrix;\nuniform mat4 vWCtoIDX;\n#endif\n\n// define vtkLightComplexity\n//VTK::LightComplexity\n#if vtkLightComplexity > 0\nuniform float vSpecularPower;\nuniform float vAmbient;\nuniform float vDiffuse;\nuniform float vSpecular;\n//VTK::Light::Dec\n#endif\n\n//VTK::VolumeShadowOn\n//VTK::SurfaceShadowOn\n//VTK::localAmbientOcclusionOn\n//VTK::LAO::Dec\n//VTK::VolumeShadow::Dec\n\n// define vtkComputeNormalFromOpacity\n//VTK::vtkComputeNormalFromOpacity\n\n// possibly define vtkGradientOpacityOn\n//VTK::GradientOpacityOn\n#ifdef vtkGradientOpacityOn\nuniform float goscale0;\nuniform float goshift0;\nuniform float gomin0;\nuniform float gomax0;\n#if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\nuniform float goscale1;\nuniform float goshift1;\nuniform float gomin1;\nuniform float gomax1;\n#if vtkNumComponents >= 3\nuniform float goscale2;\nuniform float goshift2;\nuniform float gomin2;\nuniform float gomax2;\n#endif\n#if vtkNumComponents >= 4\nuniform float goscale3;\nuniform float goshift3;\nuniform float gomin3;\nuniform float gomax3;\n#endif\n#endif\n#endif\n\n// if you want to see the raw tiled\n// data in webgl1 uncomment the following line\n// #define debugtile\n\n// camera values\nuniform float camThick;\nuniform float camNear;\nuniform float camFar;\nuniform int cameraParallel;\n\n// values describing the volume geometry\nuniform vec3 vOriginVC;\nuniform vec3 vSpacing;\nuniform ivec3 volumeDimensions; // 3d texture dimensions\nuniform vec3 vPlaneNormal0;\nuniform float vPlaneDistance0;\nuniform vec3 vPlaneNormal1;\nuniform float vPlaneDistance1;\nuniform vec3 vPlaneNormal2;\nuniform float vPlaneDistance2;\nuniform vec3 vPlaneNormal3;\nuniform float vPlaneDistance3;\nuniform vec3 vPlaneNormal4;\nuniform float vPlaneDistance4;\nuniform vec3 vPlaneNormal5;\nuniform float vPlaneDistance5;\n\n//VTK::ClipPlane::Dec\n\n// opacity and color textures\nuniform sampler2D otexture;\nuniform float oshift0;\nuniform float oscale0;\nuniform sampler2D ctexture;\nuniform float cshift0;\nuniform float cscale0;\n\n// jitter texture\nuniform sampler2D jtexture;\nuniform sampler2D ttexture;\n\n\n// some 3D texture values\nuniform float sampleDistance;\nuniform vec3 vVCToIJK;\n\n// the heights defined below are the locations\n// for the up to four components of the tfuns\n// the tfuns have a height of 2XnumComps pixels so the\n// values are computed to hit the middle of the two rows\n// for that component\n#ifdef vtkIndependentComponentsOn\n#if vtkNumComponents == 2\nuniform float mix0;\nuniform float mix1;\n#define height0 0.25\n#define height1 0.75\n#endif\n#if vtkNumComponents == 3\nuniform float mix0;\nuniform float mix1;\nuniform float mix2;\n#define height0 0.17\n#define height1 0.5\n#define height2 0.83\n#endif\n#if vtkNumComponents == 4\nuniform float mix0;\nuniform float mix1;\nuniform float mix2;\nuniform float mix3;\n#define height0 0.125\n#define height1 0.375\n#define height2 0.625\n#define height3 0.875\n#endif\n#endif\n\n#if vtkNumComponents >= 2\nuniform float oshift1;\nuniform float oscale1;\nuniform float cshift1;\nuniform float cscale1;\n#endif\n#if vtkNumComponents >= 3\nuniform float oshift2;\nuniform float oscale2;\nuniform float cshift2;\nuniform float cscale2;\n#endif\n#if vtkNumComponents >= 4\nuniform float oshift3;\nuniform float oscale3;\nuniform float cshift3;\nuniform float cscale3;\n#endif\n\nuniform vec4 ipScalarRangeMin;\nuniform vec4 ipScalarRangeMax;\n\n// declaration for intermixed geometry\n//VTK::ZBuffer::Dec\n\n//=======================================================================\n// global and custom variables (a temporary section before photorealistics rendering module is complete)\nvec3 rayDirVC;\nfloat sampleDistanceISVS;\nfloat sampleDistanceIS;\n\n#define SQRT3 1.7321\n#define INV4PI 0.0796\n#define EPSILON 0.001\n#define PI 3.1415\n#define PI2 9.8696\n\n//=======================================================================\n// Webgl2 specific version of functions\n#if __VERSION__ == 300\n\nuniform highp sampler3D texture1;\n\nvec4 getTextureValue(vec3 pos)\n{\n vec4 tmp = texture(texture1, pos);\n#if vtkNumComponents == 1\n tmp.a = tmp.r;\n#endif\n#if vtkNumComponents == 2\n tmp.a = tmp.g;\n#endif\n#if vtkNumComponents == 3\n tmp.a = length(tmp.rgb);\n#endif\n return tmp;\n}\n\n//=======================================================================\n// WebGL1 specific version of functions\n#else\n\nuniform sampler2D texture1;\n\nuniform float texWidth;\nuniform float texHeight;\nuniform int xreps;\nuniform int xstride;\nuniform int ystride;\n\n// if computing trilinear values from multiple z slices\n#ifdef vtkTrilinearOn\nvec4 getTextureValue(vec3 ijk)\n{\n float zoff = 1.0/float(volumeDimensions.z);\n vec4 val1 = getOneTextureValue(ijk);\n vec4 val2 = getOneTextureValue(vec3(ijk.xy, ijk.z + zoff));\n\n float indexZ = float(volumeDimensions)*ijk.z;\n float zmix = indexZ - floor(indexZ);\n\n return mix(val1, val2, zmix);\n}\n\nvec4 getOneTextureValue(vec3 ijk)\n#else // nearest or fast linear\nvec4 getTextureValue(vec3 ijk)\n#endif\n{\n vec3 tdims = vec3(volumeDimensions);\n\n#ifdef debugtile\n vec2 tpos = vec2(ijk.x, ijk.y);\n vec4 tmp = texture2D(texture1, tpos);\n tmp.a = 1.0;\n\n#else\n int z = int(ijk.z * tdims.z);\n int yz = z / xreps;\n int xz = z - yz*xreps;\n\n int tileWidth = volumeDimensions.x/xstride;\n int tileHeight = volumeDimensions.y/ystride;\n\n xz *= tileWidth;\n yz *= tileHeight;\n\n float ni = float(xz) + (ijk.x*float(tileWidth));\n float nj = float(yz) + (ijk.y*float(tileHeight));\n\n vec2 tpos = vec2(ni/texWidth, nj/texHeight);\n\n vec4 tmp = texture2D(texture1, tpos);\n\n#if vtkNumComponents == 1\n tmp.a = tmp.r;\n#endif\n#if vtkNumComponents == 2\n tmp.g = tmp.a;\n#endif\n#if vtkNumComponents == 3\n tmp.a = length(tmp.rgb);\n#endif\n#endif\n\n return tmp;\n}\n\n// End of Webgl1 specific code\n//=======================================================================\n#endif\n\n//=======================================================================\n// transformation between VC and IS space\n\n// convert vector position from idx to vc\n#if (vtkLightComplexity > 0) || (defined vtkClippingPlanesOn)\nvec3 IStoVC(vec3 posIS){\n vec3 posVC = posIS / vVCToIJK;\n return posVC.x * vPlaneNormal0 +\n posVC.y * vPlaneNormal2 +\n posVC.z * vPlaneNormal4 +\n vOriginVC;\n}\n\n// convert vector position from vc to idx\nvec3 VCtoIS(vec3 posVC){\n posVC = posVC - vOriginVC;\n posVC = vec3(\n dot(posVC, vPlaneNormal0),\n dot(posVC, vPlaneNormal2),\n dot(posVC, vPlaneNormal4));\n return posVC * vVCToIJK;\n}\n#endif\n\n//Rotate vector to view coordinate\n#if (vtkLightComplexity > 0) || (defined vtkGradientOpacityOn)\nvoid rotateToViewCoord(inout vec3 dirIS){\n dirIS.xyz =\n dirIS.x * vPlaneNormal0 +\n dirIS.y * vPlaneNormal2 +\n dirIS.z * vPlaneNormal4;\n}\n\n//Rotate vector to idx coordinate\nvec3 rotateToIDX(vec3 dirVC){\n vec3 dirIS;\n dirIS.xyz = vec3(\n dot(dirVC, vPlaneNormal0),\n dot(dirVC, vPlaneNormal2),\n dot(dirVC, vPlaneNormal4));\n return dirIS;\n}\n#endif\n\n//=======================================================================\n// Given a normal compute the gradient opacity factors\nfloat computeGradientOpacityFactor(\n float normalMag, float goscale, float goshift, float gomin, float gomax)\n{\n#if defined(vtkGradientOpacityOn)\n return clamp(normalMag * goscale + goshift, gomin, gomax);\n#else\n return 1.0;\n#endif\n}\n\n//=======================================================================\n// compute the normal and gradient magnitude for a position, uses forward difference\n#if (vtkLightComplexity > 0) || (defined vtkGradientOpacityOn)\n#ifdef vtkClippingPlanesOn\n void adjustClippedVoxelValues(vec3 pos, vec3 texPos[3], inout vec3 g1)\n {\n vec3 g1VC[3];\n for (int i = 0; i < 3; ++i)\n {\n g1VC[i] = IStoVC(texPos[i]);\n }\n vec3 posVC = IStoVC(pos);\n for (int i = 0; i < clip_numPlanes; ++i)\n {\n for (int j = 0; j < 3; ++j)\n {\n if(dot(vec3(vClipPlaneOrigins[i] - g1VC[j].xyz), vClipPlaneNormals[i]) > 0.0)\n {\n g1[j] = 0.0;\n }\n }\n }\n }\n#endif\n\n #ifdef vtkComputeNormalFromOpacity\n #ifdef vtkGradientOpacityOn\n vec4 computeDensityNormal(float gradientMag, vec3 scalarInterp[2])\n {\n #else\n //if gradient opacity not on but using density gradient\n vec4 computeDensityNormal(vec3 scalarInterp[2])\n {\n #endif\n vec3 opacityG1, opacityG2;\n opacityG1.x = texture2D(otexture, vec2(scalarInterp[0].x * oscale0 + oshift0, 0.5)).r;\n opacityG1.y = texture2D(otexture, vec2(scalarInterp[0].y * oscale0 + oshift0, 0.5)).r;\n opacityG1.z = texture2D(otexture, vec2(scalarInterp[0].z * oscale0 + oshift0, 0.5)).r;\n opacityG2.x = texture2D(otexture, vec2(scalarInterp[1].x * oscale0 + oshift0, 0.5)).r;\n opacityG2.y = texture2D(otexture, vec2(scalarInterp[1].y * oscale0 + oshift0, 0.5)).r;\n opacityG2.z = texture2D(otexture, vec2(scalarInterp[1].z * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n float gradOpacityFactor = 1.0f;\n if (gradientMag >= 0.0){\n gradOpacityFactor = computeGradientOpacityFactor(gradientMag, goscale0, goshift0, gomin0, gomax0);\n }\n opacityG1.xyz *= gradOpacityFactor;\n opacityG2.xyz *= gradOpacityFactor;\n #endif\n\n vec4 opacityG = vec4(opacityG1 - opacityG2, 1.0f);\n // divide by spacing\n opacityG.xyz /= vSpacing;\n opacityG.w = length(opacityG.xyz);\n // rotate to View Coords\n rotateToViewCoord(opacityG.xyz);\n if (length(opacityG.xyz) > 0.0) {\n return vec4(normalize(opacityG.xyz),opacityG.w);\n } else {\n return vec4(0.0);\n }\n }\n\n vec4 computeNormalForDensity(vec3 pos, vec3 tstep, out vec3 scalarInterp[2])\n {\n vec3 xvec = vec3(tstep.x, 0.0, 0.0);\n vec3 yvec = vec3(0.0, tstep.y, 0.0);\n vec3 zvec = vec3(0.0, 0.0, tstep.z);\n vec3 texPosPVec[3];\n texPosPVec[0] = pos + xvec;\n texPosPVec[1] = pos + yvec;\n texPosPVec[2] = pos + zvec;\n vec3 texPosNVec[3];\n texPosNVec[0] = pos - xvec;\n texPosNVec[1] = pos - yvec;\n texPosNVec[2] = pos - zvec;\n vec3 g1, g2;\n\n scalarInterp[0].x = getTextureValue(texPosPVec[0]).a;\n scalarInterp[0].y = getTextureValue(texPosPVec[1]).a;\n scalarInterp[0].z = getTextureValue(texPosPVec[2]).a;\n scalarInterp[1].x = getTextureValue(texPosNVec[0]).a;\n scalarInterp[1].y = getTextureValue(texPosNVec[1]).a;\n scalarInterp[1].z = getTextureValue(texPosNVec[2]).a;\n\n #ifdef vtkClippingPlanesOn\n adjustClippedVoxelValues(pos, texPosPVec, scalarInterp[0]);\n adjustClippedVoxelValues(pos, texPosNVec, scalarInterp[1]);\n #endif\n vec4 result;\n result.x = scalarInterp[0].x - scalarInterp[1].x;\n result.y = scalarInterp[0].y - scalarInterp[1].y;\n result.z = scalarInterp[0].z - scalarInterp[1].z;\n // divide by spacing\n result.xyz /= vSpacing;\n result.w = length(result.xyz);\n // rotate to View Coords\n rotateToViewCoord(result.xyz);\n if (length(result.xyz) > 0.0) {\n return vec4(normalize(result.xyz),result.w);\n } else {\n return vec4(0.0);\n }\n }\n #endif\n\n vec4 computeNormal(vec3 pos, vec3 tstep)\n {\n vec3 xvec = vec3(tstep.x, 0.0, 0.0);\n vec3 yvec = vec3(0.0, tstep.y, 0.0);\n vec3 zvec = vec3(0.0, 0.0, tstep.z);\n vec3 texPosPVec[3];\n texPosPVec[0] = pos + xvec;\n texPosPVec[1] = pos + yvec;\n texPosPVec[2] = pos + zvec;\n vec3 texPosNVec[3];\n texPosNVec[0] = pos - xvec;\n texPosNVec[1] = pos - yvec;\n texPosNVec[2] = pos - zvec;\n vec3 g1, g2;\n g1.x = getTextureValue(texPosPVec[0]).a;\n g1.y = getTextureValue(texPosPVec[1]).a;\n g1.z = getTextureValue(texPosPVec[2]).a;\n g2.x = getTextureValue(texPosNVec[0]).a;\n g2.y = getTextureValue(texPosNVec[1]).a;\n g2.z = getTextureValue(texPosNVec[2]).a;\n #ifdef vtkClippingPlanesOn\n adjustClippedVoxelValues(pos, texPosPVec, g1);\n adjustClippedVoxelValues(pos, texPosNVec, g2);\n #endif\n vec4 result;\n result = vec4(g1 - g2, -1.0);\n // divide by spacing\n result.xyz /= vSpacing;\n result.w = length(result.xyz);\n if (result.w > 0.0){\n // rotate to View Coords\n rotateToViewCoord(result.xyz);\n return vec4(normalize(result.xyz),result.w);\n } else {\n return vec4(0.0);\n }\n }\n#endif\n\n#ifdef vtkImageLabelOutlineOn\nvec3 fragCoordToIndexSpace(vec4 fragCoord) {\n vec4 pcPos = vec4(\n (fragCoord.x / vpWidth - vpOffsetX - 0.5) * 2.0,\n (fragCoord.y / vpHeight - vpOffsetY - 0.5) * 2.0,\n (fragCoord.z - 0.5) * 2.0,\n 1.0);\n\n vec4 worldCoord = PCWCMatrix * pcPos;\n vec4 vertex = (worldCoord/worldCoord.w);\n\n vec3 index = (vWCtoIDX * vertex).xyz;\n\n // half voxel fix for labelmapOutline\n return (index + vec3(0.5)) / vec3(volumeDimensions);\n}\n#endif\n\n//=======================================================================\n// compute the normals and gradient magnitudes for a position\n// for independent components\nmat4 computeMat4Normal(vec3 pos, vec4 tValue, vec3 tstep)\n{\n mat4 result;\n vec4 distX = getTextureValue(pos + vec3(tstep.x, 0.0, 0.0)) - tValue;\n vec4 distY = getTextureValue(pos + vec3(0.0, tstep.y, 0.0)) - tValue;\n vec4 distZ = getTextureValue(pos + vec3(0.0, 0.0, tstep.z)) - tValue;\n\n // divide by spacing\n distX /= vSpacing.x;\n distY /= vSpacing.y;\n distZ /= vSpacing.z;\n\n mat3 rot;\n rot[0] = vPlaneNormal0;\n rot[1] = vPlaneNormal2;\n rot[2] = vPlaneNormal4;\n\n#if !defined(vtkComponent0Proportional)\n result[0].xyz = vec3(distX.r, distY.r, distZ.r);\n result[0].a = length(result[0].xyz);\n result[0].xyz *= rot;\n if (result[0].w > 0.0)\n {\n result[0].xyz /= result[0].w;\n }\n#endif\n\n// optionally compute the 2nd component\n#if vtkNumComponents >= 2 && !defined(vtkComponent1Proportional)\n result[1].xyz = vec3(distX.g, distY.g, distZ.g);\n result[1].a = length(result[1].xyz);\n result[1].xyz *= rot;\n if (result[1].w > 0.0)\n {\n result[1].xyz /= result[1].w;\n }\n#endif\n\n// optionally compute the 3rd component\n#if vtkNumComponents >= 3 && !defined(vtkComponent2Proportional)\n result[2].xyz = vec3(distX.b, distY.b, distZ.b);\n result[2].a = length(result[2].xyz);\n result[2].xyz *= rot;\n if (result[2].w > 0.0)\n {\n result[2].xyz /= result[2].w;\n }\n#endif\n\n// optionally compute the 4th component\n#if vtkNumComponents >= 4 && !defined(vtkComponent3Proportional)\n result[3].xyz = vec3(distX.a, distY.a, distZ.a);\n result[3].a = length(result[3].xyz);\n result[3].xyz *= rot;\n if (result[3].w > 0.0)\n {\n result[3].xyz /= result[3].w;\n }\n#endif\n\n return result;\n}\n\n//=======================================================================\n// global shadow - secondary ray\n#if defined(VolumeShadowOn) || defined(localAmbientOcclusionOn)\nfloat random()\n{\n float rand = fract(sin(dot(gl_FragCoord.xy,vec2(12.9898,78.233)))*43758.5453123);\n float jitter=texture2D(jtexture,gl_FragCoord.xy/32.).r;\n uint pcg_state = floatBitsToUint(jitter);\n uint state = pcg_state;\n pcg_state = pcg_state * uint(747796405) + uint(2891336453);\n uint word = ((state >> ((state >> uint(28)) + uint(4))) ^ state) * uint(277803737);\n return (float((((word >> uint(22)) ^ word) >> 1 ))/float(2147483647) + rand)/2.0;\n}\n#endif\n\n#ifdef VolumeShadowOn\n// henyey greenstein phase function\nfloat phase_function(float cos_angle)\n{\n // divide by 2.0 instead of 4pi to increase intensity\n return ((1.0-anisotropy2)/pow(1.0+anisotropy2-2.0*anisotropy*cos_angle, 1.5))/2.0;\n}\n\n// Computes the intersection between a ray and a box\nstruct Hit\n{\n float tmin;\n float tmax;\n};\n\nstruct Ray\n{\n vec3 origin;\n vec3 dir;\n vec3 invDir;\n};\n\nbool BBoxIntersect(vec3 boundMin, vec3 boundMax, const Ray r, out Hit hit)\n{\n vec3 tbot = r.invDir * (boundMin - r.origin);\n vec3 ttop = r.invDir * (boundMax - r.origin);\n vec3 tmin = min(ttop, tbot);\n vec3 tmax = max(ttop, tbot);\n vec2 t = max(tmin.xx, tmin.yz);\n float t0 = max(t.x, t.y);\n t = min(tmax.xx, tmax.yz);\n float t1 = min(t.x, t.y);\n hit.tmin = t0;\n hit.tmax = t1;\n return t1 > max(t0,0.0);\n}\n\n// As BBoxIntersect requires the inverse of the ray coords,\n// this function is used to avoid numerical issues\nvoid safe_0_vector(inout Ray ray)\n{\n if(abs(ray.dir.x) < EPSILON) ray.dir.x = sign(ray.dir.x) * EPSILON;\n if(abs(ray.dir.y) < EPSILON) ray.dir.y = sign(ray.dir.y) * EPSILON;\n if(abs(ray.dir.z) < EPSILON) ray.dir.z = sign(ray.dir.z) * EPSILON;\n}\n\nfloat volume_shadow(vec3 posIS, vec3 lightDirNormIS)\n{\n float shadow = 1.0;\n float opacity = 0.0;\n\n // modify sample distance with a random number between 1.5 and 3.0\n float sampleDistanceISVS_jitter = sampleDistanceISVS * mix(1.5, 3.0, random());\n float opacityPrev = texture2D(otexture, vec2(getTextureValue(posIS).r * oscale0 + oshift0, 0.5)).r;\n\n // in case the first sample near surface has a very tiled light ray, we need to offset start position\n posIS += sampleDistanceISVS_jitter * lightDirNormIS;\n\n // compute the start and end points for the ray\n Ray ray;\n Hit hit;\n ray.origin = posIS;\n ray.dir = lightDirNormIS;\n safe_0_vector(ray);\n ray.invDir = 1.0/ray.dir;\n\n if(!BBoxIntersect(vec3(0.0),vec3(1.0), ray, hit))\n {\n return 1.0;\n }\n float maxdist = hit.tmax;\n\n // interpolate shadow ray length between: 1 unit of sample distance in IS to SQRT3, based on globalIlluminationReach\n float maxgi = mix(sampleDistanceISVS_jitter,SQRT3,giReach);\n maxdist = min(maxdist,maxgi);\n if(maxdist < EPSILON) {\n return 1.0;\n }\n\n // support gradient opacity\n #ifdef vtkGradientOpacityOn\n vec4 normal;\n #endif\n\n float current_dist = 0.0;\n float current_step = length(sampleDistanceISVS_jitter * lightDirNormIS);\n float clamped_step = 0.0;\n\n vec4 scalar = vec4(0.0);\n while(current_dist < maxdist)\n {\n#ifdef vtkClippingPlanesOn\n vec3 posVC = IStoVC(posIS);\n for (int i = 0; i < clip_numPlanes; ++i)\n {\n if (dot(vec3(vClipPlaneOrigins[i] - posVC), vClipPlaneNormals[i]) > 0.0)\n {\n current_dist = maxdist;\n }\n }\n#endif\n scalar = getTextureValue(posIS);\n opacity = texture2D(otexture, vec2(scalar.r * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n normal = computeNormal(posIS, vec3(1.0/vec3(volumeDimensions)));\n opacity *= computeGradientOpacityFactor(normal.w, goscale0, goshift0, gomin0, gomax0);\n #endif\n shadow *= 1.0 - opacity;\n\n // optimization: early termination\n if (shadow < EPSILON){\n return 0.0;\n }\n\n clamped_step = min(maxdist - current_dist, current_step);\n posIS += clamped_step * lightDirNormIS;\n current_dist += current_step;\n }\n\n return shadow;\n}\n\nvec3 applyShadowRay(vec3 tColor, vec3 posIS, vec3 viewDirectionVC)\n{\n vec3 vertLight = vec3(0.0);\n vec3 secondary_contrib = vec3(0.0);\n // here we assume only positional light, no effect of cones\n for (int i = 0; i < lightNum; i++)\n {\n #if(vtkLightComplexity==3)\n if (lightPositional[i] == 1){\n vertLight = lightPositionVC[i] - IStoVC(posIS);\n }else{\n vertLight = - lightDirectionVC[i];\n }\n #else\n vertLight = - lightDirectionVC[i];\n #endif\n // here we assume achromatic light, only intensity\n float dDotL = dot(viewDirectionVC, normalize(vertLight));\n // isotropic scatter returns 0.5 instead of 1/4pi to increase intensity\n float phase_attenuation = 0.5;\n if (abs(anisotropy) > EPSILON){\n phase_attenuation = phase_function(dDotL);\n }\n float vol_shadow = volume_shadow(posIS, normalize(rotateToIDX(vertLight)));\n secondary_contrib += tColor * vDiffuse * lightColor[i] * vol_shadow * phase_attenuation;\n secondary_contrib += tColor * vAmbient;\n }\n return secondary_contrib;\n}\n#endif\n\n//=======================================================================\n// local ambient occlusion\n#ifdef localAmbientOcclusionOn\nvec3 sample_direction_uniform(int i)\n{\n float rand = random() * 0.5;\n float theta = PI2 * (kernelSample[i][0] + rand);\n float phi = acos(2.0 * (kernelSample[i][1] + rand) -1.0) / 2.5;\n return normalize(vec3(cos(theta)*sin(phi), sin(theta)*sin(phi), cos(phi)));\n}\n\n// return a matrix that transform startDir into z axis; startDir should be normalized\nmat3 zBaseRotationalMatrix(vec3 startDir){\n vec3 axis = cross(startDir, vec3(0.0,0.0,1.0));\n float cosA = startDir.z;\n float k = 1.0 / (1.0 + cosA);\n mat3 matrix = mat3((axis.x * axis.x * k) + cosA, (axis.y * axis.x * k) - axis.z, (axis.z * axis.x * k) + axis.y,\n (axis.x * axis.y * k) + axis.z, (axis.y * axis.y * k) + cosA, (axis.z * axis.y * k) - axis.x,\n (axis.x * axis.z * k) - axis.y, (axis.y * axis.z * k) + axis.x, (axis.z * axis.z * k) + cosA);\n return matrix;\n}\n\nfloat computeLAO(vec3 posIS, float op, vec3 lightDir, vec4 normal){\n // apply LAO only at selected locations, otherwise return full brightness\n if (normal.w > 0.0 && op > 0.05){\n float total_transmittance = 0.0;\n mat3 inverseRotateBasis = inverse(zBaseRotationalMatrix(normalize(-normal.xyz)));\n vec3 currPos, randomDirStep;\n float weight, transmittance, opacity;\n for (int i = 0; i < kernelSize; i++)\n {\n randomDirStep = inverseRotateBasis * sample_direction_uniform(i) * sampleDistanceIS;\n weight = 1.0 - dot(normalize(lightDir), normalize(randomDirStep));\n currPos = posIS;\n transmittance = 1.0;\n for (int j = 0; j < kernelRadius ; j++){\n currPos += randomDirStep;\n // check if it's at clipping plane, if so return full brightness\n if (all(greaterThan(currPos, vec3(EPSILON))) && all(lessThan(currPos,vec3(1.0-EPSILON)))){\n opacity = texture2D(otexture, vec2(getTextureValue(currPos).r * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n opacity *= computeGradientOpacityFactor(normal.w, goscale0, goshift0, gomin0, gomax0);\n #endif\n transmittance *= 1.0 - opacity;\n }\n else{\n break;\n }\n }\n total_transmittance += transmittance / float(kernelRadius) * weight;\n\n // early termination if fully translucent\n if (total_transmittance > 1.0 - EPSILON){\n return 1.0;\n }\n }\n // average transmittance and reduce variance\n return clamp(total_transmittance / float(kernelSize), 0.3, 1.0);\n } else {\n return 1.0;\n }\n}\n#endif\n\n//=======================================================================\n// surface light contribution\n#if vtkLightComplexity > 0\n void applyLighting(inout vec3 tColor, vec4 normal)\n {\n vec3 diffuse = vec3(0.0, 0.0, 0.0);\n vec3 specular = vec3(0.0, 0.0, 0.0);\n float df, sf = 0.0;\n for (int i = 0; i < lightNum; i++){\n df = abs(dot(normal.rgb, -lightDirectionVC[i]));\n diffuse += df * lightColor[i];\n sf = pow( abs(dot(lightHalfAngleVC[i],normal.rgb)), vSpecularPower);\n specular += sf * lightColor[i];\n }\n tColor.rgb = tColor.rgb*(diffuse*vDiffuse + vAmbient) + specular*vSpecular;\n }\n #ifdef SurfaceShadowOn\n #if vtkLightComplexity < 3\n vec3 applyLightingDirectional(vec3 posIS, vec4 tColor, vec4 normal)\n {\n // everything in VC\n vec3 diffuse = vec3(0.0);\n vec3 specular = vec3(0.0);\n #ifdef localAmbientOcclusionOn\n vec3 ambient = vec3(0.0);\n #endif\n vec3 vertLightDirection;\n for (int i = 0; i < lightNum; i++){\n float ndotL,vdotR;\n vertLightDirection = lightDirectionVC[i];\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n }\n #ifdef localAmbientOcclusionOn\n return tColor.rgb * (diffuse * vDiffuse + vAmbient * ambient) + specular*vSpecular;\n #else\n return tColor.rgb * (diffuse * vDiffuse + vAmbient) + specular*vSpecular;\n #endif\n }\n #else\n vec3 applyLightingPositional(vec3 posIS, vec4 tColor, vec4 normal, vec3 posVC)\n {\n // everything in VC\n vec3 diffuse = vec3(0.0);\n vec3 specular = vec3(0.0);\n #ifdef localAmbientOcclusionOn\n vec3 ambient = vec3(0.0);\n #endif\n vec3 vertLightDirection;\n for (int i = 0; i < lightNum; i++){\n float distance,attenuation,ndotL,vdotR;\n vec3 lightDir;\n if (lightPositional[i] == 1){\n lightDir = lightDirectionVC[i];\n vertLightDirection = posVC - lightPositionVC[i];\n distance = length(vertLightDirection);\n vertLightDirection = normalize(vertLightDirection);\n attenuation = 1.0 / (lightAttenuation[i].x\n + lightAttenuation[i].y * distance\n + lightAttenuation[i].z * distance * distance);\n // per OpenGL standard cone angle is 90 or less for a spot light\n if (lightConeAngle[i] <= 90.0){\n float coneDot = dot(vertLightDirection, lightDir);\n if (coneDot >= cos(radians(lightConeAngle[i]))){ // if inside cone\n attenuation = attenuation * pow(coneDot, lightExponent[i]);\n }\n else {\n attenuation = 0.0;\n }\n }\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * attenuation * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * attenuation * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n } else {\n vertLightDirection = lightDirectionVC[i];\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n }\n }\n #ifdef localAmbientOcclusionOn\n return tColor.rgb * (diffuse * vDiffuse + vAmbient * ambient) + specular*vSpecular;\n #else\n return tColor.rgb * (diffuse * vDiffuse + vAmbient) + specular*vSpecular;\n #endif\n }\n #endif\n #endif\n#endif\n\n//=======================================================================\n// Given a texture value compute the color and opacity\n//\nvec4 getColorForValue(vec4 tValue, vec3 posIS, vec3 tstep)\n{\n#ifdef vtkImageLabelOutlineOn\n vec3 centerPosIS = fragCoordToIndexSpace(gl_FragCoord); // pos in texture space\n vec4 centerValue = getTextureValue(centerPosIS);\n bool pixelOnBorder = false;\n vec4 tColor = texture2D(ctexture, vec2(centerValue.r * cscale0 + cshift0, 0.5));\n\n // Get alpha of segment from opacity function.\n tColor.a = texture2D(otexture, vec2(centerValue.r * oscale0 + oshift0, 0.5)).r;\n\n int segmentIndex = int(centerValue.r * 255.0);\n \n // Use texture sampling for outlineThickness\n float textureCoordinate = float(segmentIndex - 1) / 1024.0;\n float textureValue = texture2D(ttexture, vec2(textureCoordinate, 0.5)).r;\n\n int actualThickness = int(textureValue * 255.0);\n\n if (actualThickness == 0) {\n return vec4(0, 0, 1, 1);\n }\n\n // Only perform outline check on fragments rendering voxels that aren't invisible.\n // Saves a bunch of needless checks on the background.\n // TODO define epsilon when building shader?\n if (float(tColor.a) > 0.01) {\n for (int i = -actualThickness; i <= actualThickness; i++) {\n for (int j = -actualThickness; j <= actualThickness; j++) {\n if (i == 0 || j == 0) {\n continue;\n }\n\n vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n gl_FragCoord.y + float(j),\n gl_FragCoord.z, gl_FragCoord.w);\n\n vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n vec4 value = getTextureValue(neighborPosIS);\n\n // If any of my neighbours are not the same value as I\n // am, this means I am on the border of the segment.\n // We can break the loops\n if (any(notEqual(value, centerValue))) {\n pixelOnBorder = true;\n break;\n }\n }\n\n if (pixelOnBorder == true) {\n break;\n }\n }\n\n // If I am on the border, I am displayed at full opacity\n if (pixelOnBorder == true) {\n tColor.a = outlineOpacity;\n }\n }\n\n#else\n // compute the normal and gradient magnitude if needed\n // We compute it as a vec4 if possible otherwise a mat4\n //\n vec4 goFactor = vec4(1.0,1.0,1.0,1.0);\n\n // compute the normal vectors as needed\n #if (vtkLightComplexity > 0) || defined(vtkGradientOpacityOn)\n #if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\n mat4 normalMat = computeMat4Normal(posIS, tValue, tstep);\n #if !defined(vtkComponent0Proportional)\n vec4 normal0 = normalMat[0];\n #endif\n #if !defined(vtkComponent1Proportional)\n vec4 normal1 = normalMat[1];\n #endif\n #if vtkNumComponents > 2\n #if !defined(vtkComponent2Proportional)\n vec4 normal2 = normalMat[2];\n #endif\n #if vtkNumComponents > 3\n #if !defined(vtkComponent3Proportional)\n vec4 normal3 = normalMat[3];\n #endif\n #endif\n #endif\n #else\n vec4 normalLight;\n #ifdef vtkComputeNormalFromOpacity\n vec3 scalarInterp[2];\n vec4 normal0 = computeNormalForDensity(posIS, tstep, scalarInterp);\n if (length(normal0)>0.0){\n #ifdef vtkGradientOpacityOn\n normalLight = computeDensityNormal(normal0.w, scalarInterp);\n #else\n normalLight = computeDensityNormal(scalarInterp);\n #endif\n if (length(normalLight) == 0.0){\n normalLight = normal0;\n }\n }\n #else\n vec4 normal0 = computeNormal(posIS, tstep);\n normalLight = normal0;\n #endif\n #endif\n #endif\n\n // compute gradient opacity factors as needed\n #if defined(vtkGradientOpacityOn)\n #if !defined(vtkComponent0Proportional)\n goFactor.x =\n computeGradientOpacityFactor(normal0.a, goscale0, goshift0, gomin0, gomax0);\n #endif\n #if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\n #if !defined(vtkComponent1Proportional)\n goFactor.y =\n computeGradientOpacityFactor(normal1.a, goscale1, goshift1, gomin1, gomax1);\n #endif\n #if vtkNumComponents > 2\n #if !defined(vtkComponent2Proportional)\n goFactor.z =\n computeGradientOpacityFactor(normal2.a, goscale2, goshift2, gomin2, gomax2);\n #endif\n #if vtkNumComponents > 3\n #if !defined(vtkComponent3Proportional)\n goFactor.w =\n computeGradientOpacityFactor(normal3.a, goscale3, goshift3, gomin3, gomax3);\n #endif\n #endif\n #endif\n #endif\n #endif\n\n // single component is always independent\n #if vtkNumComponents == 1\n vec4 tColor = texture2D(ctexture, vec2(tValue.r * cscale0 + cshift0, 0.5));\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n if (tColor.a < EPSILON){\n return vec4(0.0);\n }\n #endif\n\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n vec4 tColor = mix0*texture2D(ctexture, vec2(tValue.r * cscale0 + cshift0, height0));\n #if !defined(vtkComponent0Proportional)\n tColor.a = goFactor.x*mix0*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, height0)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, height0)).r;\n tColor *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix0));\n #endif\n\n vec3 tColor1 = mix1*texture2D(ctexture, vec2(tValue.g * cscale1 + cshift1, height1)).rgb;\n #if !defined(vtkComponent1Proportional)\n tColor.a += goFactor.y*mix1*texture2D(otexture, vec2(tValue.g * oscale1 + oshift1, height1)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.g * oscale1 + oshift1, height1)).r;\n tColor1 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix1));\n #endif\n\n #if vtkNumComponents >= 3\n vec3 tColor2 = mix2*texture2D(ctexture, vec2(tValue.b * cscale2 + cshift2, height2)).rgb;\n #if !defined(vtkComponent2Proportional)\n tColor.a += goFactor.z*mix2*texture2D(otexture, vec2(tValue.b * oscale2 + oshift2, height2)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.b * oscale2 + oshift2, height2)).r;\n tColor2 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix2));\n #endif\n\n #if vtkNumComponents >= 4\n vec3 tColor3 = mix3*texture2D(ctexture, vec2(tValue.a * cscale3 + cshift3, height3)).rgb;\n #if !defined(vtkComponent3Proportional)\n tColor.a += goFactor.w*mix3*texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, height3)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, height3)).r;\n tColor3 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix3));\n #endif\n #endif\n #endif\n #else // then not independent\n\n #if vtkNumComponents == 2\n float lum = tValue.r * cscale0 + cshift0;\n float alpha = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale1 + oshift1, 0.5)).r;\n vec4 tColor = vec4(lum, lum, lum, alpha);\n #endif\n #if vtkNumComponents == 3\n vec4 tColor;\n tColor.r = tValue.r * cscale0 + cshift0;\n tColor.g = tValue.g * cscale1 + cshift1;\n tColor.b = tValue.b * cscale2 + cshift2;\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale0 + oshift0, 0.5)).r;\n #endif\n #if vtkNumComponents == 4\n vec4 tColor;\n tColor.r = tValue.r * cscale0 + cshift0;\n tColor.g = tValue.g * cscale1 + cshift1;\n tColor.b = tValue.b * cscale2 + cshift2;\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, 0.5)).r;\n #endif\n #endif // dependent\n\n // apply lighting if requested as appropriate\n #if vtkLightComplexity > 0\n #if !defined(vtkComponent0Proportional)\n #if vtkNumComponents == 1\n #ifdef SurfaceShadowOn\n #if vtkLightComplexity < 3\n vec3 tColorS = applyLightingDirectional(posIS, tColor, normalLight);\n #else\n vec3 tColorS = applyLightingPositional(posIS, tColor, normalLight, IStoVC(posIS));\n #endif\n #endif\n\n #ifdef VolumeShadowOn\n vec3 tColorVS = applyShadowRay(tColor.rgb, posIS, rayDirVC);\n #ifdef SurfaceShadowOn\n float vol_coef = volumetricScatteringBlending * (1.0 - tColor.a / 2.0) * (1.0 - atan(normalLight.w) * INV4PI);\n tColor.rgb = (1.0-vol_coef) * tColorS + vol_coef * tColorVS;\n #else\n tColor.rgb = tColorVS;\n #endif\n #else\n tColor.rgb = tColorS;\n #endif\n\n #else\n applyLighting(tColor.rgb, normal0);\n #endif\n #endif\n\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n #if !defined(vtkComponent1Proportional)\n applyLighting(tColor1, normal1);\n #endif\n #if vtkNumComponents >= 3\n #if !defined(vtkComponent2Proportional)\n applyLighting(tColor2, normal2);\n #endif\n #if vtkNumComponents >= 4\n #if !defined(vtkComponent3Proportional)\n applyLighting(tColor3, normal3);\n #endif\n #endif\n #endif\n #endif\n #endif\n\n// perform final independent blend as needed\n#if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n tColor.rgb += tColor1;\n#if vtkNumComponents >= 3\n tColor.rgb += tColor2;\n#if vtkNumComponents >= 4\n tColor.rgb += tColor3;\n#endif\n#endif\n#endif\n\n#endif\nreturn tColor;\n}\n\nbool valueWithinScalarRange(vec4 val, vec4 min, vec4 max) {\n bool withinRange = false;\n #if vtkNumComponents == 1\n if (val.r >= min.r && val.r <= max.r) {\n withinRange = true;\n }\n #endif\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents == 2\n if (val.r >= min.r && val.r <= max.r &&\n val.g >= min.g && val.g <= max.g) {\n withinRange = true;\n }\n #endif\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 3\n if (all(greaterThanEqual(val, ipScalarRangeMin)) &&\n all(lessThanEqual(val, ipScalarRangeMax))) {\n withinRange = true;\n }\n #endif\n return withinRange;\n}\n\n//=======================================================================\n// Apply the specified blend mode operation along the ray's path.\n//\nvoid applyBlend(vec3 posIS, vec3 endIS, vec3 tdims)\n{\n vec3 tstep = 1.0/tdims;\n\n // start slightly inside and apply some jitter\n vec3 delta = endIS - posIS;\n vec3 stepIS = normalize(delta)*sampleDistanceIS;\n float raySteps = length(delta)/sampleDistanceIS;\n\n // avoid 0.0 jitter\n float jitter = 0.01 + 0.99*texture2D(jtexture, gl_FragCoord.xy/32.0).r;\n float stepsTraveled = jitter;\n\n // local vars for the loop\n vec4 color = vec4(0.0, 0.0, 0.0, 0.0);\n vec4 tValue;\n vec4 tColor;\n\n // if we have less than one step then pick the middle point\n // as our value\n // if (raySteps <= 1.0)\n // {\n // posIS = (posIS + endIS)*0.5;\n // }\n\n // Perform initial step at the volume boundary\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n #if vtkBlendMode == 0 // COMPOSITE_BLEND\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n\n // handle very thin volumes\n if (raySteps <= 1.0)\n {\n tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps);\n gl_FragData[0] = tColor;\n return;\n }\n\n tColor.a = 1.0 - pow(1.0 - tColor.a, jitter);\n color = vec4(tColor.rgb*tColor.a, tColor.a);\n posIS += (jitter*stepIS);\n\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n\n float mix = (1.0 - color.a);\n\n // this line should not be needed but nvidia seems to not handle\n // the break correctly on windows/chrome 58 angle\n //mix = mix * sign(max(raySteps - stepsTraveled - 1.0, 0.0));\n\n color = color + vec4(tColor.rgb*tColor.a, tColor.a)*mix;\n stepsTraveled++;\n posIS += stepIS;\n if (color.a > 0.99) { color.a = 1.0; break; }\n }\n\n if (color.a < 0.99 && (raySteps - stepsTraveled) > 0.0)\n {\n posIS = endIS;\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps - stepsTraveled);\n\n float mix = (1.0 - color.a);\n color = color + vec4(tColor.rgb*tColor.a, tColor.a)*mix;\n }\n\n gl_FragData[0] = vec4(color.rgb/color.a, color.a);\n #endif\n #if vtkBlendMode == 1 || vtkBlendMode == 2\n // MAXIMUM_INTENSITY_BLEND || MINIMUM_INTENSITY_BLEND\n // Find maximum/minimum intensity along the ray.\n\n // Define the operation we will use (min or max)\n #if vtkBlendMode == 1\n #define OP max\n #else\n #define OP min\n #endif\n\n // If the clipping range is shorter than the sample distance\n // we can skip the sampling loop along the ray.\n if (raySteps <= 1.0)\n {\n gl_FragData[0] = getColorForValue(tValue, posIS, tstep);\n return;\n }\n\n vec4 value = tValue;\n posIS += (jitter*stepIS);\n\n // Sample along the ray until MaximumSamplesValue,\n // ending slightly inside the total distance\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n // If we have reached the last step, break\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // Update the maximum value if necessary\n value = OP(tValue, value);\n\n // Otherwise, continue along the ray\n stepsTraveled++;\n posIS += stepIS;\n }\n\n // Perform the last step along the ray using the\n // residual distance\n posIS = endIS;\n tValue = getTextureValue(posIS);\n value = OP(tValue, value);\n\n // Now map through opacity and color\n gl_FragData[0] = getColorForValue(value, posIS, tstep);\n #endif\n #if vtkBlendMode == 3 || vtkBlendMode == 4 //AVERAGE_INTENSITY_BLEND || ADDITIVE_BLEND\n vec4 sum = vec4(0.);\n\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n sum += tValue;\n }\n\n if (raySteps <= 1.0) {\n gl_FragData[0] = getColorForValue(sum, posIS, tstep);\n return;\n }\n\n posIS += (jitter*stepIS);\n\n // Sample along the ray until MaximumSamplesValue,\n // ending slightly inside the total distance\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n // If we have reached the last step, break\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // One can control the scalar range by setting the AverageIPScalarRange to disregard scalar values, not in the range of interest, from the average computation.\n // Notes:\n // - We are comparing all values in the texture to see if any of them\n // are outside of the scalar range. In the future we might want to allow\n // scalar ranges for each component.\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n // Sum the values across each step in the path\n sum += tValue;\n }\n stepsTraveled++;\n posIS += stepIS;\n }\n\n // Perform the last step along the ray using the\n // residual distance\n posIS = endIS;\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // One can control the scalar range by setting the IPScalarRange to disregard scalar values, not in the range of interest, from the average computation\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n sum += tValue;\n\n stepsTraveled++;\n }\n\n #if vtkBlendMode == 3 // Average\n sum /= vec4(stepsTraveled, stepsTraveled, stepsTraveled, 1.0);\n #endif\n\n gl_FragData[0] = getColorForValue(sum, posIS, tstep);\n #endif\n #if vtkBlendMode == 5 // RADON\n float normalizedRayIntensity = 1.0;\n\n // handle very thin volumes\n if (raySteps <= 1.0)\n {\n tValue = getTextureValue(posIS);\n normalizedRayIntensity = normalizedRayIntensity - sampleDistance*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n gl_FragData[0] = texture2D(ctexture, vec2(normalizedRayIntensity, 0.5));\n return;\n }\n\n posIS += (jitter*stepIS);\n\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar value\n tValue = getTextureValue(posIS);\n\n // Convert scalar value to normalizedRayIntensity coefficient and accumulate normalizedRayIntensity\n normalizedRayIntensity = normalizedRayIntensity - sampleDistance*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n\n posIS += stepIS;\n stepsTraveled++;\n }\n\n // map normalizedRayIntensity to color\n gl_FragData[0] = texture2D(ctexture, vec2(normalizedRayIntensity , 0.5));\n\n #endif\n}\n\n//=======================================================================\n// Compute a new start and end point for a given ray based\n// on the provided bounded clipping plane (aka a rectangle)\nvoid getRayPointIntersectionBounds(\n vec3 rayPos, vec3 rayDir,\n vec3 planeDir, float planeDist,\n inout vec2 tbounds, vec3 vPlaneX, vec3 vPlaneY,\n float vSize1, float vSize2)\n{\n float result = dot(rayDir, planeDir);\n if (abs(result) < 1e-6)\n {\n return;\n }\n result = -1.0 * (dot(rayPos, planeDir) + planeDist) / result;\n vec3 xposVC = rayPos + rayDir*result;\n vec3 vxpos = xposVC - vOriginVC;\n vec2 vpos = vec2(\n dot(vxpos, vPlaneX),\n dot(vxpos, vPlaneY));\n\n // on some apple nvidia systems this does not work\n // if (vpos.x < 0.0 || vpos.x > vSize1 ||\n // vpos.y < 0.0 || vpos.y > vSize2)\n // even just\n // if (vpos.x < 0.0 || vpos.y < 0.0)\n // fails\n // so instead we compute a value that represents in and out\n //and then compute the return using this value\n float xcheck = max(0.0, vpos.x * (vpos.x - vSize1)); // 0 means in bounds\n float check = sign(max(xcheck, vpos.y * (vpos.y - vSize2))); // 0 means in bounds, 1 = out\n\n tbounds = mix(\n vec2(min(tbounds.x, result), max(tbounds.y, result)), // in value\n tbounds, // out value\n check); // 0 in 1 out\n}\n\n//=======================================================================\n// given a\n// - ray direction (rayDir)\n// - starting point (vertexVCVSOutput)\n// - bounding planes of the volume\n// - optionally depth buffer values\n// - far clipping plane\n// compute the start/end distances of the ray we need to cast\nvec2 computeRayDistances(vec3 rayDir, vec3 tdims)\n{\n vec2 dists = vec2(100.0*camFar, -1.0);\n\n vec3 vSize = vSpacing*tdims;\n\n // all this is in View Coordinates\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal0, vPlaneDistance0, dists, vPlaneNormal2, vPlaneNormal4,\n vSize.y, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal1, vPlaneDistance1, dists, vPlaneNormal2, vPlaneNormal4,\n vSize.y, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal2, vPlaneDistance2, dists, vPlaneNormal0, vPlaneNormal4,\n vSize.x, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal3, vPlaneDistance3, dists, vPlaneNormal0, vPlaneNormal4,\n vSize.x, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal4, vPlaneDistance4, dists, vPlaneNormal0, vPlaneNormal2,\n vSize.x, vSize.y);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal5, vPlaneDistance5, dists, vPlaneNormal0, vPlaneNormal2,\n vSize.x, vSize.y);\n\n //VTK::ClipPlane::Impl\n\n // do not go behind front clipping plane\n dists.x = max(0.0,dists.x);\n\n // do not go PAST far clipping plane\n float farDist = -camThick/rayDir.z;\n dists.y = min(farDist,dists.y);\n\n // Do not go past the zbuffer value if set\n // This is used for intermixing opaque geometry\n //VTK::ZBuffer::Impl\n\n return dists;\n}\n\n//=======================================================================\n// Compute the index space starting position (pos) and end\n// position\n//\nvoid computeIndexSpaceValues(out vec3 pos, out vec3 endPos, vec3 rayDir, vec2 dists)\n{\n // compute starting and ending values in volume space\n pos = vertexVCVSOutput + dists.x*rayDir;\n pos = pos - vOriginVC;\n // convert to volume basis and origin\n pos = vec3(\n dot(pos, vPlaneNormal0),\n dot(pos, vPlaneNormal2),\n dot(pos, vPlaneNormal4));\n\n endPos = vertexVCVSOutput + dists.y*rayDir;\n endPos = endPos - vOriginVC;\n endPos = vec3(\n dot(endPos, vPlaneNormal0),\n dot(endPos, vPlaneNormal2),\n dot(endPos, vPlaneNormal4));\n\n float delta = length(endPos - pos);\n\n pos *= vVCToIJK;\n endPos *= vVCToIJK;\n\n float delta2 = length(endPos - pos);\n sampleDistanceIS = sampleDistance*delta2/delta;\n #ifdef VolumeShadowOn\n sampleDistanceISVS = sampleDistanceIS * volumeShadowSamplingDistFactor;\n #endif\n}\n\nvoid main()\n{\n\n if (cameraParallel == 1)\n {\n // Camera is parallel, so the rayDir is just the direction of the camera.\n rayDirVC = vec3(0.0, 0.0, -1.0);\n } else {\n // camera is at 0,0,0 so rayDir for perspective is just the vc coord\n rayDirVC = normalize(vertexVCVSOutput);\n }\n\n vec3 tdims = vec3(volumeDimensions);\n\n // compute the start and end points for the ray\n vec2 rayStartEndDistancesVC = computeRayDistances(rayDirVC, tdims);\n\n // do we need to composite? aka does the ray have any length\n // If not, bail out early\n if (rayStartEndDistancesVC.y <= rayStartEndDistancesVC.x)\n {\n discard;\n }\n\n // IS = Index Space\n vec3 posIS;\n vec3 endIS;\n computeIndexSpaceValues(posIS, endIS, rayDirVC, rayStartEndDistancesVC);\n\n // Perform the blending operation along the ray\n applyBlend(posIS, endIS, tdims);\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let a=n.Fragment;o.getProperty().getInterpolationType()===Rg&&(a=dd.substitute(a,"//VTK::TrilinearOn","#define vtkTrilinearOn").result),!0===o.getProperty().getUseLabelOutline()&&(a=dd.substitute(a,"//VTK::ImageLabelOutlineOn","#define vtkImageLabelOutlineOn").result);const i=t.scalarTexture.getComponents();a=dd.substitute(a,"//VTK::NumComponents",`#define vtkNumComponents ${i}`).result;const s=o.getProperty().getIndependentComponents();if(s){a=dd.substitute(a,"//VTK::IndependentComponentsOn","#define vtkIndependentComponentsOn").result;const e=[];for(let t=0;t0&&(a=dd.substitute(a,"//VTK::vtkProportionalComponents",e.join("\n")).result)}const l=t.currentInput.getSpatialExtent(),c=t.currentInput.getSpacing(),u=new Float64Array(3);An(u,(l[1]-l[0])*c[0],(l[3]-l[2])*c[1],(l[5]-l[4])*c[2]);const d=Sn(u)/e.getCurrentSampleDistance(r);a=dd.substitute(a,"//VTK::MaximumSamplesValue",`${Math.ceil(d)}`).result,a=dd.substitute(a,"//VTK::LightComplexity",`#define vtkLightComplexity ${t.lastLightComplexity}`).result,t.lastLightComplexity>0&&(t.renderable.getVolumetricScatteringBlending()>0&&(a=dd.substitute(a,"//VTK::VolumeShadowOn","#define VolumeShadowOn").result),t.renderable.getVolumetricScatteringBlending()<1&&(a=dd.substitute(a,"//VTK::SurfaceShadowOn","#define SurfaceShadowOn").result),t.renderable.getLocalAmbientOcclusion()&&o.getProperty().getAmbient()>0&&(a=dd.substitute(a,"//VTK::localAmbientOcclusionOn","#define localAmbientOcclusionOn").result)),t.gopacity=o.getProperty().getUseGradientOpacity(0);for(let e=1;s&&!t.gopacity&&e{if(0===t.lastLightComplexity)return;let o=e.Fragment,a=0;n.getLights().forEach((e=>{e.getSwitch()&&(a+=1)})),o=dd.substitute(o,"//VTK::Light::Dec",["uniform int lightNum;","uniform bool twoSidedLighting;",`uniform vec3 lightColor[${a}];`,`uniform vec3 lightDirectionVC[${a}]; // normalized`,`uniform vec3 lightHalfAngleVC[${a}];`,"//VTK::Light::Dec"],!1).result,3===t.lastLightComplexity&&(o=dd.substitute(o,"//VTK::Light::Dec",[`uniform vec3 lightPositionVC[${a}];`,`uniform vec3 lightAttenuation[${a}];`,`uniform float lightConeAngle[${a}];`,`uniform float lightExponent[${a}];`,`uniform int lightPositional[${a}];`],!1).result),t.renderable.getVolumetricScatteringBlending()>0&&(o=dd.substitute(o,"//VTK::VolumeShadow::Dec",["uniform float volumetricScatteringBlending;","uniform float giReach;","uniform float volumeShadowSamplingDistFactor;","uniform float anisotropy;","uniform float anisotropy2;"],!1).result),t.renderable.getLocalAmbientOcclusion()&&r.getProperty().getAmbient()>0&&(o=dd.substitute(o,"//VTK::LAO::Dec",["uniform int kernelRadius;",`uniform vec2 kernelSample[${t.renderable.getLAOKernelRadius()}];`,"uniform int kernelSize;"],!1).result),e.Fragment=o},e.replaceShaderClippingPlane=(e,n,r)=>{let o=e.Fragment;if(t.renderable.getClippingPlanes().length>0){const e=t.renderable.getClippingPlanes().length;o=dd.substitute(o,"//VTK::ClipPlane::Dec",["uniform vec3 vClipPlaneNormals[6];","uniform float vClipPlaneDistances[6];","uniform vec3 vClipPlaneOrigins[6];","uniform int clip_numPlanes;","//VTK::ClipPlane::Dec","#define vtkClippingPlanesOn"],!1).result,o=dd.substitute(o,"//VTK::ClipPlane::Impl",[`for(int i = 0; i < ${e}; i++) {`," float rayDirRatio = dot(rayDir, vClipPlaneNormals[i]);"," float equationResult = dot(vertexVCVSOutput, vClipPlaneNormals[i]) + vClipPlaneDistances[i];"," if (rayDirRatio == 0.0)"," {"," if (equationResult < 0.0) dists.x = dists.y;"," continue;"," }"," float result = -1.0 * equationResult / rayDirRatio;"," if (rayDirRatio < 0.0) dists.y = min(dists.y, result);"," else dists.x = max(dists.x, result);","}","//VTK::ClipPlane::Impl"],!1).result}e.Fragment=o},e.getNeedToRebuildShaders=(n,r,o)=>{let a=0;o.getProperty().getShade()&&t.renderable.getBlendMode()===Eg&&(a=0,t.numberOfLights=0,r.getLights().forEach((e=>{e.getSwitch()>0&&(t.numberOfLights++,0===a&&(a=1)),1===a&&(t.numberOfLights>1||1!==e.getIntensity()||!e.lightTypeIsHeadLight())&&(a=2),a<3&&e.getPositional()&&(a=3)})));let i=!1;t.lastLightComplexity!==a&&(t.lastLightComplexity=a,i=!0);const s=t.scalarTexture.getComponents(),l=o.getProperty().getIndependentComponents();let c=!1;const u=[];if(l){for(let e=0;e0&&(c=!0)}const d=t.currentInput.getSpatialExtent(),p=t.currentInput.getSpacing(),f=new Float64Array(3);An(f,(d[1]-d[0])*p[0],(d[3]-d[2])*p[1],(d[5]-d[4])*p[2]);const g=Sn(f)/e.getCurrentSampleDistance(r),m={interpolationType:o.getProperty().getInterpolationType(),useLabelOutline:o.getProperty().getUseLabelOutline(),numComp:s,usesProportionalComponents:c,iComps:l,maxSamples:g,useGradientOpacity:o.getProperty().getUseGradientOpacity(0),blendMode:t.renderable.getBlendMode(),proportionalComponents:u};return t.previousState&&t.previousState.interpolationType===m.interpolationType&&t.previousState.useLabelOutline===m.useLabelOutline&&t.previousState.numComp===m.numComp&&t.previousState.usesProportionalComponents===m.usesProportionalComponents&&t.previousState.iComps===m.iComps&&t.previousState.maxSamples===m.maxSamples&&t.previousState.useGradientOpacity===m.useGradientOpacity&&t.previousState.blendMode===m.blendMode&&function(e,t){if(e.length!==t.length)return!1;for(let n=0;n{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const a={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(a,r,o);const i=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(a.Vertex,a.Fragment,a.Geometry);i!==n.getProgram()&&(n.setProgram(i),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o),e.getClippingPlaneShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const a=n.getProgram();n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(a.isAttributeUsed("vertexDC")&&(n.getVAO().addAttributeArray(a,n.getCABO(),"vertexDC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Fg("Error setting vertexDC in shader VAO.")),n.getAttributeUpdateTime().modified()),a.setUniformi("texture1",t.scalarTexture.getTextureUnit()),a.setUniformf("sampleDistance",e.getCurrentSampleDistance(r));const i=t.scalarTexture.getVolumeInfo(),s=t.renderable.getIpScalarRange(),l=[],c=[];for(let e=0;e<4;e++)l[e]=s[0]*i.dataComputedScale[e]+i.dataComputedOffset[e],c[e]=s[1]*i.dataComputedScale[e]+i.dataComputedOffset[e],l[e]=(l[e]-i.offset[e])/i.scale[e],c[e]=(c[e]-i.offset[e])/i.scale[e];if(a.setUniform4f("ipScalarRangeMin",l[0],l[1],l[2],l[3]),a.setUniform4f("ipScalarRangeMax",c[0],c[1],c[2],c[3]),null!==t.zBufferTexture){a.setUniformi("zBufferTexture",t.zBufferTexture.getTextureUnit());const e=t._useSmallViewport?[t._smallViewportWidth,t._smallViewportHeight]:t._openGLRenderWindow.getFramebufferSize();a.setUniformf("vpZWidth",e[0]),a.setUniformf("vpZHeight",e[1])}},e.setCameraShaderParameters=(n,r,o)=>{const a=t.openGLCamera.getKeyMatrices(r),i=t.openGLVolume.getKeyMatrices();b(t.modelToView,a.wcvc,i.mcwc);const s=n.getProgram(),l=t.openGLCamera.getRenderable(),c=l.getClippingRange();s.setUniformf("camThick",c[1]-c[0]),s.setUniformf("camNear",c[0]),s.setUniformf("camFar",c[1]);const u=t.currentInput.getBounds(),d=t.currentInput.getDimensions(),p=new Float64Array(3),f=new Float64Array(3);let g=1,m=-1,v=1,y=-1;for(let e=0;e<8;++e)An(p,u[e%2],u[2+Math.floor(e/2)%2],u[4+Math.floor(e/4)]),Dn(p,p,t.modelToView),l.getParallelProjection()||(Rn(f,p),On(p,f,-c[0]/p[2])),Dn(p,p,a.vcpc),g=Math.min(p[0],g),m=Math.max(p[0],m),v=Math.min(p[1],v),y=Math.max(p[1],y);s.setUniformf("dcxmin",g),s.setUniformf("dcxmax",m),s.setUniformf("dcymin",v),s.setUniformf("dcymax",y),s.isUniformUsed("cameraParallel")&&s.setUniformi("cameraParallel",l.getParallelProjection());const x=t.currentInput.getSpatialExtent(),T=t.currentInput.getSpacing(),C=new Float64Array(3);An(C,(x[1]-x[0])*T[0],(x[3]-x[2])*T[1],(x[5]-x[4])*T[2]),s.setUniform3f("vSpacing",T[0],T[1],T[2]),An(p,x[0],x[2],x[4]),t.currentInput.indexToWorldVec3(p,p),Dn(p,p,t.modelToView),s.setUniform3f("vOriginVC",p[0],p[1],p[2]);const S=t.currentInput.getIndexToWorld();b(t.idxToView,t.modelToView,S),ve(t.idxNormalMatrix,a.normalMatrix,i.normalMatrix),ve(t.idxNormalMatrix,t.idxNormalMatrix,t.currentInput.getDirectionByReference());const P=Sn(C)/e.getCurrentSampleDistance(r);P>t.renderable.getMaximumSamplesPerRay()&&kg(`The number of steps required ${Math.ceil(P)} is larger than the\n specified maximum number of steps ${t.renderable.getMaximumSamplesPerRay()}.\n Please either change the\n volumeMapper sampleDistance or its maximum number of samples.`);const A=new Float64Array(3);if(An(A,1,1,1),function(e,t,n){e[0]=t[0]/n[0],e[1]=t[1]/n[1],e[2]=t[2]/n[2]}(A,A,C),s.setUniform3f("vVCToIJK",A[0],A[1],A[2]),s.setUniform3i("volumeDimensions",d[0],d[1],d[2]),!t._openGLRenderWindow.getWebgl2()){const e=t.scalarTexture.getVolumeInfo();s.setUniformf("texWidth",t.scalarTexture.getWidth()),s.setUniformf("texHeight",t.scalarTexture.getHeight()),s.setUniformi("xreps",e.xreps),s.setUniformi("xstride",e.xstride),s.setUniformi("ystride",e.ystride)}const I=new Float64Array(3),w=new Float64Array(3);for(let e=0;e<6;++e){switch(e){case 1:An(I,-1,0,0),An(w,x[0],x[2],x[4]);break;case 2:An(I,0,1,0),An(w,x[1],x[3],x[5]);break;case 3:An(I,0,-1,0),An(w,x[0],x[2],x[4]);break;case 4:An(I,0,0,1),An(w,x[1],x[3],x[5]);break;case 5:An(I,0,0,-1),An(w,x[0],x[2],x[4]);break;default:An(I,1,0,0),An(w,x[1],x[3],x[5])}Ln(I,I,t.idxNormalMatrix),Dn(w,w,t.idxToView);const n=-1*Vn(w,I);s.setUniform3f(`vPlaneNormal${e}`,I[0],I[1],I[2]),s.setUniformf(`vPlaneDistance${e}`,n)}if(o.getProperty().getUseLabelOutline()){const n=t.currentInput.getWorldToIndex();s.setUniformMatrix("vWCtoIDX",n);const o=r.getActiveCamera(),[a,i]=o.getClippingRange(),l=o.getDistance();o.setClippingRange(l,l+.1);const c=t.openGLCamera.getKeyMatrices(r);h(t.projectionToWorld,c.wcpc),o.setClippingRange(a,i),t.openGLCamera.getKeyMatrices(r),s.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const u=e.getRenderTargetSize();s.setUniformf("vpWidth",u[0]),s.setUniformf("vpHeight",u[1]);const d=e.getRenderTargetOffset();s.setUniformf("vpOffsetX",d[0]/u[0]),s.setUniformf("vpOffsetY",d[1]/u[1])}if(h(t.projectionToView,a.vcpc),s.setUniformMatrix("PCVCMatrix",t.projectionToView),0===t.lastLightComplexity)return;let O=0;const M=[],R=[],V=[];if(r.getLights().forEach((e=>{if(e.getSwitch()>0){const t=e.getColor(),n=e.getIntensity();M[0+3*O]=t[0]*n,M[1+3*O]=t[1]*n,M[2+3*O]=t[2]*n;const r=e.getDirection();An(I,r[0],r[1],r[2]),Ln(I,I,a.normalMatrix),Rn(I,I),R[0+3*O]=I[0],R[1+3*O]=I[1],R[2+3*O]=I[2],V[0+3*O]=-.5*I[0],V[1+3*O]=-.5*I[1],V[2+3*O]=-.5*(I[2]-1),O++}})),s.setUniformi("twoSidedLighting",r.getTwoSidedLighting()),s.setUniformi("lightNum",O),s.setUniform3fv("lightColor",M),s.setUniform3fv("lightDirectionVC",R),s.setUniform3fv("lightHalfAngleVC",V),3===t.lastLightComplexity){O=0;const e=[],n=[],o=[],a=[],i=[];r.getLights().forEach((r=>{if(r.getSwitch()>0){const s=r.getAttenuationValues();n[0+3*O]=s[0],n[1+3*O]=s[1],n[2+3*O]=s[2],a[O]=r.getExponent(),o[O]=r.getConeAngle(),i[O]=r.getPositional();const l=r.getTransformedPosition();Dn(l,l,t.modelToView),e[0+3*O]=l[0],e[1+3*O]=l[1],e[2+3*O]=l[2],O+=1}})),s.setUniform3fv("lightPositionVC",e),s.setUniform3fv("lightAttenuation",n),s.setUniformfv("lightConeAngle",o),s.setUniformfv("lightExponent",a),s.setUniformiv("lightPositional",i)}if(t.renderable.getVolumetricScatteringBlending()>0&&(s.setUniformf("giReach",t.renderable.getGlobalIlluminationReach()),s.setUniformf("volumetricScatteringBlending",t.renderable.getVolumetricScatteringBlending()),s.setUniformf("volumeShadowSamplingDistFactor",t.renderable.getVolumeShadowSamplingDistFactor()),s.setUniformf("anisotropy",t.renderable.getAnisotropy()),s.setUniformf("anisotropy2",t.renderable.getAnisotropy()**2)),t.renderable.getLocalAmbientOcclusion()&&o.getProperty().getAmbient()>0){const e=t.renderable.getLAOKernelSize();s.setUniformi("kernelSize",e);const n=[];for(let t=0;t{const o=e.getProgram();o.setUniformi("ctexture",t.colorTexture.getTextureUnit()),o.setUniformi("otexture",t.opacityTexture.getTextureUnit()),o.setUniformi("jtexture",t.jitterTexture.getTextureUnit()),o.setUniformi("ttexture",t.labelOutlineThicknessTexture.getTextureUnit());const a=t.scalarTexture.getVolumeInfo(),i=r.getProperty(),s=t.scalarTexture.getComponents(),l=r.getProperty().getIndependentComponents();if(l&&s>=2)for(let e=0;e0&&(o.setUniformf("vAmbient",i.getAmbient()),o.setUniformf("vDiffuse",i.getDiffuse()),o.setUniformf("vSpecular",i.getSpecular()),o.setUniformf("vSpecularPower",i.getSpecularPower()))},e.getClippingPlaneShaderParameters=(e,n,r)=>{if(t.renderable.getClippingPlanes().length>0){const r=t.openGLCamera.getKeyMatrices(n),o=[],a=[],i=[],s=t.renderable.getClippingPlanes(),l=s.length;for(let e=0;e{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.getRenderTargetSize=()=>{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getCurrentSampleDistance=e=>{const n=e.getVTKWindow().getInteractor(),r=t.renderable.getSampleDistance();return n.isAnimating()?r*t.renderable.getInteractionSampleDistanceFactor():r},e.renderPieceStart=(n,r)=>{const o=n.getVTKWindow().getInteractor();if(t._lastScale||(t._lastScale=t.renderable.getInitialInteractionScale()),t._useSmallViewport=!1,o.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._animationRateSubscription||(t._animationRateSubscription=o.onAnimationFrameRateUpdate((()=>{if(t.renderable.getAutoAdjustSampleDistances()){const e=o.getRecentAnimationFrameRate(),n=o.getDesiredUpdateRate()/e;(n>1.15||n<.85)&&(t._lastScale*=n),t._lastScale>400&&(t._lastScale=400),t._lastScale<1.5&&(t._lastScale=1.5)}else t._lastScale=t.renderable.getImageSampleDistance()*t.renderable.getImageSampleDistance()}))),t._useSmallViewport){const e=t._openGLRenderWindow.getFramebufferSize(),n=1/Math.sqrt(t._lastScale);if(t._smallViewportWidth=Math.ceil(n*e[0]),t._smallViewportHeight=Math.ceil(n*e[1]),t._smallViewportHeight>e[1]&&(t._smallViewportHeight=e[1]),t._smallViewportWidth>e[0]&&(t._smallViewportWidth=e[0]),t.framebuffer.saveCurrentBindingsAndBuffers(),null===t.framebuffer.getGLFramebuffer())t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer();else{const n=t.framebuffer.getSize();n[0]===e[0]&&n[1]===e[1]||(t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer())}t.framebuffer.bind();const r=t.context;r.clearColor(0,0,0,0),r.colorMask(!0,!0,!0,!0),r.clear(r.COLOR_BUFFER_BIT),r.viewport(0,0,t._smallViewportWidth,t._smallViewportHeight),t.fvp=[t._smallViewportWidth/e[0],t._smallViewportHeight/e[1]]}t.context.disable(t.context.DEPTH_TEST),e.updateBufferObjects(n,r),r.getProperty().getInterpolationType()===Mg?(t.scalarTexture.setMinificationFilter(Cd.NEAREST),t.scalarTexture.setMagnificationFilter(Cd.NEAREST)):(t.scalarTexture.setMinificationFilter(Cd.LINEAR),t.scalarTexture.setMagnificationFilter(Cd.LINEAR)),t.lastBoundBO=null,null!==t.zBufferTexture&&t.zBufferTexture.activate()},e.renderPieceDraw=(n,r)=>{const o=t.context;t.scalarTexture.activate(),t.opacityTexture.activate(),t.labelOutlineThicknessTexture.activate(),t.colorTexture.activate(),t.jitterTexture.activate(),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.scalarTexture.deactivate(),t.colorTexture.deactivate(),t.opacityTexture.deactivate(),t.labelOutlineThicknessTexture.deactivate(),t.jitterTexture.deactivate()},e.renderPieceFinish=(e,n)=>{if(null!==t.zBufferTexture&&t.zBufferTexture.deactivate(),t._useSmallViewport){if(t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader){t.copyShader=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","uniform vec2 tfactor;","varying vec2 tcoord;","void main() { tcoord = vec2(vertexDC.x*0.5 + 0.5, vertexDC.y*0.5 + 0.5) * tfactor; gl_Position = vertexDC; }"].join("\n"),["//VTK::System::Dec","//VTK::Output::Dec","uniform sampler2D texture1;","varying vec2 tcoord;","void main() { gl_FragData[0] = texture2D(texture1,tcoord); }"].join("\n"),"");const e=t.copyShader;t.copyVAO=md.newInstance(),t.copyVAO.setOpenGLRenderWindow(t._openGLRenderWindow),t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(e,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Fg("Error setting vertexDC in copy shader VAO.")}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(t.copyShader);const e=t._openGLRenderWindow.getFramebufferSize();t.context.viewport(0,0,e[0],e[1]);const n=t.framebuffer.getColorTexture();n.activate(),t.copyShader.setUniformi("texture",n.getTextureUnit()),t.copyShader.setUniform2f("tfactor",t.fvp[0],t.fvp[1]);const r=t.context;r.blendFuncSeparate(r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA),t.context.drawArrays(t.context.TRIANGLES,0,t.tris.getCABO().getElementCount()),n.deactivate(),r.blendFuncSeparate(r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):Fg("No input!")},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():wa(t.Bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const o=t.currentInput;if(!o)return;const a=o.getPointData()&&o.getPointData().getScalars();if(!a)return;t._scalars!==a&&(t._openGLRenderWindow.releaseGraphicsResourcesForObject(t._scalars),t._scalars=a);const i=r.getProperty();if(!t.jitterTexture.getHandle()){const e=new Uint8Array(1024);for(let t=0;t<1024;++t)e[t]=255*Math.random();t.jitterTexture.setMinificationFilter(Cd.LINEAR),t.jitterTexture.setMagnificationFilter(Cd.LINEAR),t.jitterTexture.create2DFromRaw(32,32,1,ys.UNSIGNED_CHAR,e)}const s=a.getNumberOfComponents(),l=i.getIndependentComponents()?s:1,c=i.getScalarOpacity(),u=t._openGLRenderWindow.getGraphicsResourceForObject(c);let d=_g(i,c,l);if(u.vtkObj&&u.hash===d&&t.opacityTextureString===d)t.opacityTexture=u.vtkObj,t.opacityTextureString=u.hash;else{const r=1024,o=2*r*l,a=new Float32Array(o),s=new Float32Array(r);for(let t=0;t1?1:-1,e[3*t+2]=-1;const n=new Uint16Array(8);n[0]=3,n[1]=0,n[2]=1,n[3]=3,n[4]=3,n[5]=0,n[6]=3,n[7]=2;const r=Es.newInstance({numberOfComponents:3,values:e});r.setName("points");const o=Es.newInstance({numberOfComponents:1,values:n});t.tris.getCABO().createVBO(o,"polys",rs.SURFACE,{points:r,cellOffset:0})}t.VBOBuildTime.modified()},e.updateLabelOutlineThicknessTexture=e=>{const n=e.getProperty().getLabelOutlineThickness(),r=t._openGLRenderWindow.getGraphicsResourceForObject(n),o=`${n.join("-")}`;if(r?.vtkObj&&r?.hash===o&&t.labelOutlineThicknessTextureString===o)t.labelOutlineThicknessTexture=r.vtkObj,t.labelOutlineThicknessTextureString=r.hash;else{const e=1024,r=1,a=new Uint8Array(e*r);for(let t=0;t2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ug,n),Zt.extend(e,t,n),t.VBOBuildTime={},yt(t.VBOBuildTime,{mtime:0}),t.tris=xd.newInstance(),t.scalarTexture=Fd.newInstance(),t.opacityTexture=Fd.newInstance(),t.colorTexture=Fd.newInstance(),t.jitterTexture=Fd.newInstance(),t.jitterTexture.setWrapS(Td.REPEAT),t.jitterTexture.setWrapT(Td.REPEAT),t.labelOutlineThicknessTexture=Fd.newInstance(),t.framebuffer=$p.newInstance(),t.idxToView=g(new Float64Array(16)),t.idxNormalMatrix=pe(new Float64Array(9)),t.modelToView=g(new Float64Array(16)),t.projectionToView=g(new Float64Array(16)),t.projectionToWorld=g(new Float64Array(16)),Pt(e,t,["context"]),Gg(e,t)}),"vtkOpenGLVolumeMapper");rn("vtkVolumeMapper",zg);const{vtkDebugMacro:Wg}=Kt;function Hg(e,t){t.classHierarchy.push("vtkOpenGLPixelSpaceCallbackMapper"),e.opaquePass=(n,r)=>{t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent();const o=t._openGLRenderer.getAspectRatio(),a=t._openGLRenderer?t._openGLRenderer.getRenderable().getActiveCamera():null,i=t._openGLRenderer.getTiledSizeAndOrigin();let s=null;if(t.renderable.getUseZValues()){const e=r.getZBufferTexture(),n=Math.floor(e.getWidth()),o=Math.floor(e.getHeight()),a=t._openGLRenderWindow.getContext();e.bind();const i=r.getFramebuffer();i?i.saveCurrentBindingsAndBuffers():Wg("No framebuffer to save/restore");const l=a.createFramebuffer();a.bindFramebuffer(a.FRAMEBUFFER,l),a.framebufferTexture2D(a.FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,e.getHandle(),0),a.checkFramebufferStatus(a.FRAMEBUFFER)===a.FRAMEBUFFER_COMPLETE&&(s=new Uint8Array(n*o*4),a.viewport(0,0,n,o),a.readPixels(0,0,n,o,a.RGBA,a.UNSIGNED_BYTE,s)),i&&i.restorePreviousBindingsAndBuffers(),a.deleteFramebuffer(l)}t.renderable.invokeCallback(t.renderable.getInputData(),a,o,i,s)},e.queryPass=(e,n)=>{e&&t.renderable.getUseZValues()&&n.requestDepth()}}const jg={};const Kg=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,jg,n),Zt.extend(e,t,n),Hg(e,t)}),"vtkOpenGLPixelSpaceCallbackMapper");rn("vtkPixelSpaceCallbackMapper",Kg);var $g="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtktextureObjectVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexDC;\nattribute vec2 tcoordDC;\nvarying vec2 tcoordVC;\n\nvoid main()\n{\n tcoordVC = tcoordDC;\n gl_Position = vertexDC;\n}\n";const{Representation:qg}=ds;function Xg(e,t,n,r){let[o,a]=t;const i=e.getContext(),s=Fd.newInstance({autoParameters:!1,wrapS:r,wrapT:r,minificationFilter:n,magnificationFilter:n,generateMipmap:!1,openGLDataType:i.FLOAT,baseLevel:0,maxLevel:0});return s.setOpenGLRenderWindow(e),s.setInternalFormat(i.RGBA32F),s.create2DFromRaw(o,a,4,"Float32Array",null),s.activate(),s.sendParameters(),s.deactivate(),s}function Yg(e,t){return Xg(e,t,Fd.Filter.NEAREST,Fd.Wrap.CLAMP_TO_EDGE)}function Zg(e,t){t.classHierarchy.push("vtkLICPingPongBufferManager"),t._openGLRenderWindow?(t.quad=function(e){const t=xd.newInstance();t.setOpenGLRenderWindow(e);const n=new Float32Array(12);for(let e=0;e<4;e++)n[3*e]=e%2*2-1,n[3*e+1]=e>1?1:-1,n[3*e+2]=0;const r=new Float32Array([0,0,1,0,0,1,1,1]),o=new Uint16Array(8);o[0]=3,o[1]=0,o[2]=1,o[3]=3,o[4]=3,o[5]=0,o[6]=3,o[7]=2;const a=Es.newInstance({numberOfComponents:3,values:n});a.setName("points");const i=Es.newInstance({numberOfComponents:1,values:o}),s=Es.newInstance({numberOfComponents:2,values:r});return t.getCABO().createVBO(i,"polys",qg.SURFACE,{points:a,cellOffset:0,tcoords:s}),t}(t._openGLRenderWindow),t.context=t._openGLRenderWindow.getContext(),t.licTexture0=Yg(t._openGLRenderWindow,t.size),t.seedTexture0=Yg(t._openGLRenderWindow,t.size),t.licTexture1=Yg(t._openGLRenderWindow,t.size),t.seedTexture1=Yg(t._openGLRenderWindow,t.size),t.eeTexture=t.doEEPass?Xg(t._openGLRenderWindow,t.size,Fd.Filter.NEAREST,Fd.Wrap.CLAMP_TO_EDGE):null,t.imageVectorTexture=t.doVTPass?function(e,t){return Xg(e,t,Fd.Filter.LINEAR,Fd.Wrap.CLAMP_TO_EDGE)}(t._openGLRenderWindow,t.size):null,t.pingTextures[0]=t.licTexture0,t.pingTextures[1]=t.seedTexture0,t.pongTextures[0]=t.licTexture1,t.pongTextures[1]=t.seedTexture1,t.textures[0]=t.pingTextures,t.textures[1]=t.pongTextures,e.swap=()=>{t.readIndex=1-t.readIndex},e.renderQuad=(e,n)=>{const r=t.quad,o=t.context;let a=t.quadVAO;a||(a=md.newInstance(),a.setOpenGLRenderWindow(t._openGLRenderWindow),t.quadVAO=a),t.previousProgramHash!==n.getMd5Hash()&&(a.shaderProgramChanged(),r.getCABO().bind(),a.addAttributeArray(n,r.getCABO(),"vertexDC",r.getCABO().getVertexOffset(),r.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE),a.addAttributeArray(n,r.getCABO(),"tcoordDC",r.getCABO().getTCoordOffset(),r.getCABO().getStride(),t.context.FLOAT,2,t.context.FALSE),t.previousProgramHash=n.getMd5Hash()),o.drawArrays(o.TRIANGLES,0,r.getCABO().getElementCount()),a.release()},e.getLastLICBuffer=()=>0===t.readIndex?t.licTexture0:t.licTexture1,e.getLastSeedBuffer=()=>0===t.readIndex?t.seedTexture0:t.seedTexture1,e.getLICBuffer=()=>1-t.readIndex==0?t.licTexture0:t.licTexture1,e.getSeedBuffer=()=>1-t.readIndex==0?t.seedTexture0:t.seedTexture1,e.getLICTextureUnit=()=>{const e=t.textures[t.readIndex][0];return e.activate(),e.getTextureUnit()},e.getSeedTextureUnit=()=>{const e=t.textures[t.readIndex][1];return e.activate(),e.getTextureUnit()},e.getNoiseTextureUnit=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return 0===e?(t.noiseTexture.activate(),t.noiseTexture.getTextureUnit()):(t.eeTexture.activate(),t.eeTexture.getTextureUnit())},e.getVectorTextureUnit=()=>(t.vectorTexture.activate(),t.vectorTexture.getTextureUnit()),e.getImageVectorTextureUnit=()=>t.imageVectorTexture?(t.imageVectorTexture.activate(),t.imageVectorTexture.getTextureUnit()):e.getVectorTextureUnit(),e.getMaskVectorTextureUnit=()=>t.maskVectorTexture?(t.maskVectorTexture.activate(),t.maskVectorTexture.getTextureUnit()):e.getImageVectorTextureUnit(),e.clearBuffers=function(){let e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];const n=t.framebuffer,r=t.context;n.removeColorBuffer(0),n.removeColorBuffer(1),n.removeColorBuffer(2),n.removeColorBuffer(3),n.setColorBuffer(t.licTexture0,0),n.setColorBuffer(t.seedTexture0,1),n.setColorBuffer(t.licTexture1,2),n.setColorBuffer(t.seedTexture1,3);const o=[r.COLOR_ATTACHMENT0,r.COLOR_ATTACHMENT1,r.COLOR_ATTACHMENT2,r.COLOR_ATTACHMENT3];e&&(n.removeColorBuffer(4),n.setColorBuffer(t.eeTexture,4),o.push(r.COLOR_ATTACHMENT4)),r.drawBuffers(o),r.clearColor(0,1,0,0),r.disable(r.SCISSOR_TEST),r.disable(r.BLEND),r.clear(r.COLOR_BUFFER_BIT),n.removeColorBuffer(0),n.removeColorBuffer(1),n.removeColorBuffer(2),n.removeColorBuffer(3),e&&n.removeColorBuffer(4),r.drawBuffers([r.NONE])},e.clearBuffer=e=>{const n=t.framebuffer,r=t.context;n.removeColorBuffer(0),n.setColorBuffer(e,0),r.drawBuffers([r.COLOR_ATTACHMENT0]),r.clearColor(0,1,0,0),r.disable(r.SCISSOR_TEST),r.disable(r.BLEND),r.clear(r.COLOR_BUFFER_BIT),n.removeColorBuffer(e,0),r.drawBuffers([r.NONE])},e.activateVectorTextures=()=>{t.imageVectorTexture?t.imageVectorTexture.activate():t.vectorTexture.activate(),t.maskVectorTexture&&t.maskVectorTexture.activate()},e.deactivateVectorTextures=()=>{t.imageVectorTexture?t.imageVectorTexture.deactivate():t.vectorTexture.deactivate(),t.maskVectorTexture&&t.maskVectorTexture.deactivate()},e.activateNoiseTexture=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;switch(e){case 0:t.noiseTexture.activate();break;case 1:t.eeTexture.activate();break;default:console.error("Wrong LIC pass number")}},e.deactivateNoiseTexture=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;switch(e){case 0:t.noiseTexture.deactivate();break;case 1:t.eeTexture.deactivate();break;default:console.error("Wrong LIC pass number")}},e.attachLICBuffers=()=>{const e=t.textures[t.readIndex],n=t.textures[1-t.readIndex],r=t.framebuffer,o=t.context;e[0].activate(),e[1].activate(),r.removeColorBuffer(0),r.removeColorBuffer(1),r.setColorBuffer(n[0],0),r.setColorBuffer(n[1],1),o.drawBuffers([o.COLOR_ATTACHMENT0,o.COLOR_ATTACHMENT1])},e.detachLICBuffers=()=>{const e=t.textures[t.readIndex],n=t.context,r=t.framebuffer;e[0].deactivate(),e[1].deactivate(),r.removeColorBuffer(0),r.removeColorBuffer(1),n.drawBuffers([n.NONE])},e.attachImageVectorBuffer=()=>{const e=t.framebuffer,n=t.context;t.vectorTexture.activate(),e.removeColorBuffer(0),e.setColorBuffer(t.imageVectorTexture,0),n.drawBuffers([n.COLOR_ATTACHMENT0])},e.detachImageVectorBuffer=()=>{const e=t.context,n=t.framebuffer;t.vectorTexture.deactivate(),n.removeColorBuffer(0),e.drawBuffers([e.NONE])},e.attachEEBuffer=()=>{t.textures[t.readIndex][0].activate(),t.framebuffer.removeColorBuffer(0),t.framebuffer.setColorBuffer(t.eeTexture,0);const e=t.context;e.drawBuffers([e.COLOR_ATTACHMENT0])},e.detachEEBuffer=()=>{const e=t.context;t.framebuffer.removeColorBuffer(0),e.drawBuffers([e.NONE]),t.textures[t.readIndex][0].deactivate()},e.detachBuffers=()=>{const e=t.context,n=t.framebuffer;n.removeColorBuffer(0),n.removeColorBuffer(1),e.drawBuffers([e.NONE]);const r=t.textures[t.readIndex],o=t.textures[1-t.readIndex];r[0]&&r[0].deactivate(),r[1]&&r[1].deactivate(),o[0]&&o[0].deactivate(),o[1]&&o[1].deactivate(),t.eeTexture&&t.eeTexture.deactivate(),t.noiseTexture&&t.noiseTexture.deactivate()},e.getWriteIndex=()=>1-t.readIndex,e.detachBuffers()):console.error("Pass renderwindow to ping pong manager")}const Qg={vectorTexture:null,maskVectorTexture:null,noiseTexture:null,doEEPass:!1,doVTPass:!1,readIndex:0,quad:null,lastProgramHash:null,framebuffer:null,size:null,pingTextures:[],pongTextures:[],textures:[]};function Jg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Qg,n),jt.obj(e,t),jt.get(e,t,["readIndex"]),jt.setGet(e,t,["doEEPass","doVTPass","_openGLRenderWindow","vectorTexture","maskVectorTexture","noiseTexture","framebuffer","size"]),jt.moveToProtected(e,t,["openGLRenderWindow"]),Zg(e,t)}var em={newInstance:jt.newInstance(Jg,"vtkLICPingPongBufferManager"),extend:Jg};const tm=0,nm=1,rm=2,om=3,am=1;function im(e,t){function n(e,t){e.setUniformi("texLIC",t.getLICTextureUnit()),e.setUniformi("texSeedPts",t.getSeedTextureUnit())}function r(e,t,n){e.attachLICBuffers(),e.renderQuad(t,n),e.detachLICBuffers(),e.swap()}t.classHierarchy.push("vtkLineIntegralConvolution2D"),e.buildAShader=e=>t._openGLRenderWindow.getShaderCache().readyShaderProgramArray($g,e,""),e.dumpTextureValues=function(e,n){let[r,o]=n,a=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t.context,i=arguments.length>3&&void 0!==arguments[3]?arguments[3]:t._openGLRenderWindow,s=arguments.length>4&&void 0!==arguments[4]?arguments[4]:4;const l=$p.newInstance(),c=a;let u=null;return l.setOpenGLRenderWindow(i),l.saveCurrentBindingsAndBuffers(),l.create(r,o),l.populateFramebuffer(),l.setColorBuffer(e),u=new Float32Array(r*o*s),c.readPixels(0,0,r,o,4===s?c.RGBA:c.RGB,c.FLOAT,u),l.restorePreviousBindingsAndBuffers(),u},e.getTextureMinMax=function(n,r){let o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t.context,a=arguments.length>3&&void 0!==arguments[3]?arguments[3]:t._openGLRenderWindow;const i=e.dumpTextureValues(n,r,o,a,4);let s=Number.MAX_VALUE,l=Number.MIN_VALUE;for(let e=0;el&&(l=t)}return{min:s,max:l}},e.getComponentSelectionProgram=e=>{const t="xyzw";return`.${t[e[0]]}${t[e[1]]}`},e.buildShaders=()=>{t.LIC0ShaderProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_LIC0.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n/**\nThis shader initializes the convolution for the LIC computation.\n*/\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\nuniform sampler2D texMaskVectors;\nuniform sampler2D texNoise;\nuniform sampler2D texLIC;\n\nuniform int uStepNo; // in step 0 initialize lic and seeds, else just seeds\nuniform int uPassNo; // in pass 1 hpf of pass 0 is convolved.\nuniform float uMaskThreshold; // if |V| < uMaskThreshold render transparent\nuniform vec2 uNoiseBoundsPt1; // tc of upper right pt of noise texture\n\nin vec2 tcoordVC;\n\n// convert from vector coordinate space to noise coordinate space.\n// the noise texture is tiled across the *whole* domain\nvec2 VectorTCToNoiseTC(vec2 vectc)\n{\n return vectc/uNoiseBoundsPt1;\n}\n\n// get the texture coordidnate to lookup noise value. this\n// depends on the pass number.\nvec2 getNoiseTC(vec2 vectc)\n{\n // in pass 1 : convert from vector tc to noise tc\n // in pass 2 : use vector tc\n if (uPassNo == 0)\n {\n return VectorTCToNoiseTC(vectc);\n }\n else\n {\n return vectc;\n }\n}\n\n// look up noise value at the given location. The location\n// is supplied in vector texture coordinates, hence the\n// need to convert to noise texture coordinates.\nfloat getNoise(vec2 vectc)\n{\n return texture2D(texNoise, getNoiseTC(vectc)).r;\n}\n\nvoid main(void)\n{\n vec2 vectc = tcoordVC.st;\n\n // lic => (convolution, mask, 0, step count)\n if (uStepNo == 0)\n {\n float maskCriteria = length(texture2D(texMaskVectors, vectc).xyz);\n float maskFlag;\n if (maskCriteria <= uMaskThreshold)\n {\n maskFlag = 1.0;\n }\n else\n {\n maskFlag = 0.0;\n }\n float noise = getNoise(vectc);\n LICOutput = vec4(noise, maskFlag, 0.0, 1.0);\n }\n else\n {\n LICOutput = texture2D(texLIC, vectc);\n }\n\n // initial seed\n SeedOutput = vec4(vectc, 0.0, 1.0);\n}\n");const n=dd.substitute("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_VT.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// move vector field to normalized image space\n// pre-processing for vtkLineIntegralConvolution2D\n\n// the output of this shader\n//VTK::Output::Dec\n\n// Fragment shader used by the gaussian blur filter render pass.\n\nuniform sampler2D texVectors; // input texture\nuniform vec2 uTexSize; // size of texture\n\nin vec2 tcoordVC;\n\nvoid main(void)\n{\n //VTK::LICComponentSelection::Impl\n V = V/uTexSize;\n gl_FragData[0] = vec4(V, 0.0, 1.0);\n}\n","//VTK::LICComponentSelection::Impl",`vec2 V = texture2D(texVectors, tcoordVC.st)${e.getComponentSelectionProgram(t.componentIds)};`).result;t.VTProgram=e.buildAShader(n);const r=dd.substitute("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_fs1.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\nuniform sampler2D texVectors;\nuniform sampler2D texNoise;\nuniform sampler2D texLIC;\nuniform sampler2D texSeedPts;\n\nuniform int uPassNo; // in pass 1 hpf of pass 0 is convolved.\nuniform float uStepSize; // step size in parametric space\n\nuniform vec2 uNoiseBoundsPt1; // tc of upper right pt of noise texture\n\nin vec2 tcoordVC;\n\n//VTK::LICVectorLookup::Impl\n\n// We need to do this manually since CLAMP_TO_BORDER and and borderColor\n// are very poorly supported in webgl\nvec2 clampToBorder(vec2 uv){\n if(uv.x < 0.0 || uv.x > 1.0 || uv.y < 0.0 || uv.y > 1.0)\n {\n return vec2(0.0, 0.0);\n }\n return getVector(uv);\n}\n\n// convert from vector coordinate space to noise coordinate space.\n// the noise texture is tiled across the whole domain\nvec2 VectorTCToNoiseTC(vec2 vectc)\n{\n return vectc/uNoiseBoundsPt1;\n}\n\n// get the texture coordidnate to lookup noise value.\n// in pass 1 repeatedly tile the noise texture across\n// the computational domain.\nvec2 getNoiseTC(vec2 tc)\n{\n if (uPassNo == 0)\n {\n return VectorTCToNoiseTC(tc);\n }\n else\n {\n return tc;\n }\n}\n\n// look up noise value at the given location. The location\n// is supplied in vector texture coordinates, hence the need\n// to convert to either noise or lic texture coordinates in\n// pass 1 and 2 respectively.\nfloat getNoise(vec2 vectc)\n{\n return texture2D(texNoise, getNoiseTC(vectc)).r;\n}\n\n// fourth-order Runge-Kutta streamline integration\n// no bounds checks are made, therefore it's essential\n// to have the entire texture initialized to 0\n// and set clamp to border and have border color 0\n// an integer is set if the step was taken, keeping\n// an accurate step count is necessary to prevent\n// boundary artifacts. Don't count the step if\n// all vector lookups are identically 0. This is\n// a proxy for \"stepped outside valid domain\"\nvec2 rk4(vec2 pt0, float dt, out bool count)\n{\n count=true;\n float dtHalf = dt * 0.5;\n vec2 pt1;\n\n vec2 v0 = clampToBorder(pt0);\n pt1 = pt0 + v0 * dtHalf;\n\n vec2 v1 = clampToBorder(pt1);\n pt1 = pt0 + v1 * dtHalf;\n\n vec2 v2 = clampToBorder(pt1);\n pt1 = pt0 + v2 * dt;\n\n vec2 v3 = clampToBorder(pt1);\n vec2 vSum = v0 + v1 + v1 + v2 + v2 + v3;\n\n if (vSum == vec2(0.0, 0.0))\n {\n count = false;\n }\n\n pt1 = pt0 + (vSum) * (dt * (1.0/6.0));\n\n return pt1;\n}\n\nvoid main(void)\n{\n vec2 lictc = tcoordVC.st;\n vec4 lic = texture2D(texLIC, lictc);\n vec2 pt0 = texture2D(texSeedPts, lictc).st;\n\n bool count;\n vec2 pt1 = rk4(pt0, uStepSize, count);\n\n if (count)\n {\n // accumulate lic step\n // (lic, mask, 0, step count)\n float noise = getNoise(pt1);\n LICOutput = vec4(lic.r + noise, lic.g, 0.0, lic.a + 1.0);\n SeedOutput = vec4(pt1, 0.0, 1.0);\n }\n else\n {\n // keep existing values\n LICOutput = lic;\n SeedOutput = vec4(pt0, 0.0, 1.0);\n }\n}\n","//VTK::LICVectorLookup::Impl",function(){const e="\n vec2 getVector( vec2 vectc )\n\n {\n\n vec2 V = texture2D( texVectors, vectc ).xy;\n\n // normalize if |V| not 0\n\n float lenV = length( V );\n\n if ( lenV > 1.0e-8 )\n\n {\n\n return V/lenV;\n\n }\n\n else\n\n {\n\n return vec2( 0.0, 0.0 );\n\n }\n\n }\n\n ",t="\n vec2 getVector( vec2 vectc )\n\n {\n\n return texture2D( texVectors, vectc ).xy;\n\n }\n\n ";return arguments.length>0&&void 0!==arguments[0]&&!arguments[0]?t:e}(t.normalizeVectors),!0).result;t.LICIShaderProgram=e.buildAShader(r),t.LICNShaderProgram=e.buildAShader(" //VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_LICN.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\n/**\nThis shader finalizes the convolution for the LIC computation\napplying the normalization. eg. if box kernel is used the this\nis the number of steps taken.\n*/\n\nuniform sampler2D texLIC;\n\nin vec2 tcoordVC;\n\nvoid main(void)\n{\n vec4 conv = texture2D(texLIC, tcoordVC.st);\n conv.r = conv.r/conv.a;\n // lic => (convolution, mask, 0, 1)\n LICOutput = vec4(conv.rg , 0.0, 1.0);\n SeedOutput = vec4(0.0, 0.0, 0.0, 0.0);\n}\n"),t.CEProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_CE.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// gray scale contrast enhance stage implemented via histogram stretching\n// if the min and max are tweaked it can generate out-of-range values\n// these will be clamped in 0 to 1\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\n\nuniform sampler2D texLIC; // most recent lic pass\nuniform float uMin; // min gray scale color value\nuniform float uMaxMinDiff; // max-min\n\nin vec2 tcoordVC;\n\nvoid main( void )\n{\n vec4 lic = texture2D(texLIC, tcoordVC.st);\n if (lic.g!=0.0)\n {\n LICOutput = lic;\n }\n else\n {\n float CElic = clamp((lic.r - uMin)/uMaxMinDiff, 0.0, 1.0);\n LICOutput = vec4(CElic, lic.gb, 1.0);\n }\n SeedOutput = vec4(0.0, 0.0, 0.0, 0.0);\n}\n"),t.EEProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_fs2.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// high-pass filter stage employed by vtkLineIntegralConvolution2D\n// between LIC pass 1 and LIC pass 2. filtered LIC pass 1, becomes\n// noise for pass2.\n\n// the output of this shader\nlayout(location = 0) out vec4 EEOutput;\n\nuniform sampler2D texLIC; // most recent lic pass\nuniform float uDx; // fragment size\nuniform float uDy; // fragment size\n\nin vec2 tcoordVC;\n\n// kernel for simple laplace edge enhancement.\n// p=Laplace(p)+p\nfloat K[9] = float[9](\n -1.0, -1.0, -1.0,\n -1.0, 9.0, -1.0,\n -1.0, -1.0, -1.0\n );\n\n// determine if the fragment was masked\nbool Masked(float val) { return val != 0.0; }\n\nvoid main(void)\n{\n // tex coord neighbor offsets\n vec2 fragDx[9] = vec2[9](\n vec2(-uDx, uDy), vec2(0.0, uDy), vec2(uDx, uDy),\n vec2(-uDx, 0.0), vec2(0.0, 0.0), vec2(uDx, 0.0),\n vec2(-uDx,-uDy), vec2(0.0,-uDy), vec2(uDx,-uDy)\n );\n\n vec2 lictc = tcoordVC.st;\n\n // compute the convolution but don't use convovled values if\n // any masked fragments on the stencil. Fragments outside\n // the valid domain are masked during initialization, and\n // texture wrap parameters are clamp to border with border\n // color that contains masked flag\n float conv = 0.0;\n bool dontUse = false;\n for (int i=0; i<9; ++i)\n {\n vec2 tc = lictc + fragDx[i];\n vec4 lic = texture2D(texLIC, tc);\n dontUse = dontUse || Masked(lic.g);\n conv = conv + K[i] * lic.r;\n }\n\n if (dontUse)\n {\n EEOutput = vec4(texture2D(texLIC, lictc).rg, 0.0, 1.0);\n }\n else\n {\n conv = clamp(conv, 0.0, 1.0);\n EEOutput = vec4(conv,texture2D(texLIC, lictc).g, 0.0, 1.0);\n }\n\n}\n"),t.AAHProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_AAH.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// Anti-alias stage in vtkLineIntegralConvolution2D\n// horizontal pass of a Gaussian convolution\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\nuniform sampler2D texLIC; // input texture\nuniform float uDx; // fragment size\n\nin vec2 tcoordVC;\n\n// factored 3x3 Gaussian kernel\n// K^T*K = G\nfloat K[3] = float[3](0.141421356, 0.707106781, 0.141421356);\n\n// determine if the fragment was masked\nbool Masked(float val){ return val != 0.0; }\n\nvoid main(void)\n{\n// neighbor offsets\nvec2 fragDx[3] = vec2[3](vec2(-uDx,0.0), vec2(0.0,0.0), vec2(uDx,0.0));\n\n vec2 lictc = tcoordVC.st;\n vec4 lic[3];\n bool dontUse = false;\n float conv = 0.0;\n for (int i=0; i<3; ++i)\n {\n vec2 tc = lictc + fragDx[i];\n lic[i] = texture2D(texLIC, tc);\n dontUse = dontUse || Masked(lic[i].g);\n conv = conv + K[i] * lic[i].r;\n }\n // output is (conv, mask, skip, 1)\n if (dontUse)\n {\n LICOutput = vec4(lic[1].rg, 1.0, 1.0);\n }\n else\n {\n LICOutput = vec4(conv, lic[1].gb, 1.0);\n }\n SeedOutput = vec4(0.0, 0.0, 0.0, 0.0);\n}\n"),t.AAVProgram=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkLineIntegralConvolution2D_AAV.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// Anti-alias stage in vtkLineIntegralConvolution2D\n// vertical pass of a Gaussian convolution\n\n// the output of this shader\nlayout(location = 0) out vec4 LICOutput;\nlayout(location = 1) out vec4 SeedOutput;\n\nuniform sampler2D texLIC; // input texture\nuniform float uDy; // fragment size\n\nin vec2 tcoordVC;\n\n\n// factored 3x3 Gaussian kernel\n// K^T*K = G\nfloat K[3] = float[3](0.141421356, 0.707106781, 0.141421356);\n\n// determine if the fragment was masked\nbool Masked(float val){ return val != 0.0; }\n\nvoid main(void)\n{\n// neighbor offsets\nvec2 fragDy[3] = vec2[3](vec2(0.0,-uDy), vec2(0.0,0.0), vec2(0.0,uDy));\n\n\n vec2 lictc = tcoordVC.st;\n vec4 lic[3];\n bool dontUse = false;\n float conv = 0.0;\n for (int i=0; i<3; ++i)\n {\n vec2 tc = lictc + fragDy[i];\n lic[i] = texture2D(texLIC, tc);\n dontUse = dontUse || Masked(lic[i].g);\n conv = conv + K[i] * lic[i].r;\n }\n // output is (conv, mask, skip, 1)\n if (dontUse)\n {\n LICOutput = vec4(lic[1].rg, 1.0, 1.0);\n }\n else\n {\n LICOutput = vec4(conv, lic[1].gb, 1.0);\n }\n SeedOutput = vec4(0.0, 0.0, 0.0, 0.0);\n}\n")},e.executeLIC=(o,a,i,s,l,c)=>{if(t._openGLRenderWindow=l,t.context=l.getContext(),Object.assign(t,c),o[0]<=0||o[1]<=0)return null;const u=[1/o[0],1/o[1]];let d=t.stepSize*Math.sqrt(u[0]*u[0]+u[1]*u[1]);d<=0&&(d=1e-10);const p=t.context;let f=t.framebuffer;f&&o[0]===f.getSize()[0]&&o[1]===f.getSize()[1]||(f=$p.newInstance(),f.setOpenGLRenderWindow(t._openGLRenderWindow),f.saveCurrentBindingsAndBuffers(),f.create(...o),f.populateFramebuffer(),f.restorePreviousBindingsAndBuffers(),t.framebuffer=f),f.saveCurrentBindingsAndBuffers(),f.bind(),p.viewport(0,0,...o),p.scissor(0,0,...o),t.shadersNeedBuild&&(e.buildShaders(),t.shadersNeedBuild=!1),t.bufs?(t.bufs.setVectorTexture(a),t.bufs.setMaskVectorTexture(i),t.bufs.setNoiseTexture(s)):t.bufs=em.newInstance({openGLRenderWindow:l,doEEPass:t.enhancedLIC,doVTPass:t.transformVectors,vectorTexture:a,maskVectorTexture:i,noiseTexture:s,framebuffer:f,size:o});const g=[(s.getWidth()+1)/o[0],(s.getHeight()+1)/o[1]],m=1/o[0],h=1/o[1],v=t._openGLRenderWindow.getShaderCache();if(t.transformVectors){const e=t.VTProgram;v.readyShaderProgram(e),t.bufs.attachImageVectorBuffer(),e.setUniform2f("uTexSize",...o),e.setUniformi("texVectors",t.bufs.getVectorTextureUnit()),p.clearColor(0,0,0,0),p.clear(p.COLOR_BUFFER_BIT),t.bufs.renderQuad(o,e),t.bufs.detachImageVectorBuffer()}t.bufs.clearBuffers(t.enhancedLIC),t.bufs.activateVectorTextures(),t.bufs.activateNoiseTexture(0);const{LIC0ShaderProgram:y}=t;v.readyShaderProgram(y),y.setUniformi("uStepNo",0),y.setUniformi("uPassNo",0),y.setUniformf("uMaskThreshold",t.maskThreshold),y.setUniform2f("uNoiseBoundsPt1",...g),y.setUniformi("texMaskVectors",t.bufs.getMaskVectorTextureUnit()),y.setUniformi("texLIC",t.bufs.getLICTextureUnit()),y.setUniformi("texNoise",t.bufs.getNoiseTextureUnit(0)),r(t.bufs,o,y);const{LICIShaderProgram:b}=t;v.readyShaderProgram(b),b.setUniformi("uPassNo",0),b.setUniformf("uStepSize",-d),b.setUniform2f("uNoiseBoundsPt1",...g),b.setUniformi("texVectors",t.bufs.getImageVectorTextureUnit()),b.setUniformi("texNoise",t.bufs.getNoiseTextureUnit(0));for(let e=0;e{const a=t._openGLRenderWindow.getShaderCache();let{min:i,max:s}=e.getTextureMinMax(t.bufs.getLastLICBuffer(),o,t.context,t._openGLRenderWindow);(s<=i||s>1||i<0)&&(console.error("Invalid color range: ",i,s),i=0,s=1);let l=s-i;n&&(i+=l*t.lowLICContrastEnhancementFactor,s-=l*t.highLICContrastEnhancementFactor,l=s-i);const{CEProgram:c}=t;a.readyShaderProgram(c),c.setUniformi("texLIC",t.bufs.getLICTextureUnit()),c.setUniformf("uMin",i),c.setUniformf("uMaxMinDiff",l),r(t.bufs,o,c)}}const sm={shadersNeedBuild:!0,stepSize:1,numberOfSteps:10,enhancedLIC:!0,enhanceContrast:!1,lowContrastEnhancementFactor:0,highContrastEnhancementFactor:0,antiAlias:0,componentIds:[0,1],normalizeVectors:!0,maskThreshold:0,transformVectors:!0,bufs:null,isComposite:!0};function lm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,sm,n),jt.obj(e,t),jt.setGet(e,t,["context","_openGLRenderWindow","nuberOfSteps","stepSize","normalizeVectors","maskThreshold","enhancedLIC","enhanceContrast","lowLICContrastEnhancementFactor","highLICContrastEnhancementFactor","antiAlias","componentIds","isComposite"]),jt.moveToProtected(e,t,["openGLRenderWindow"]),im(e,t)}var cm={newInstance:jt.newInstance(lm,"vtkLineIntegralConvolution2D"),extend:lm};function um(e,t){t.classHierarchy.push("vtkSurfaceLICInterface")}const dm={enableLIC:!1,nuberOfSteps:40,stepSize:.25,transformVectors:!0,normalizeVectors:!0,maskOnSurface:!1,maskThreshold:0,maskColor:[0,0,0],maskIntensity:0,enhancedLIC:!0,enhanceContrast:tm,lowLICContrastEnhancementFactor:0,highLICContrastEnhancementFactor:0,lowColorContrastEnhancementFactor:0,highColorContrastEnhancementFactor:0,antiAlias:0,colorMode:0,LICIntensity:1,mapModeBias:0,noiseTextureSize:200,noiseTextureType:am,noiseGrainSize:8,noiseImpulseProbability:.1,noiseImpulseBackgroundValue:0,noiseGeneratorSeed:0,minNoiseValue:0,maxNoiseValue:1,numberOfNoiseLevels:2,shadersNeedBuilding:!0,reallocateTextures:!0,rebuildNoiseTexture:!1,viewPortScale:1};function pm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,dm,n),jt.obj(e,t),jt.setGet(e,t,["enableLIC","numberOfSteps","stepSize","normalizeVectors","transformVectors","maskOnSurface","maskThreshold","maskColor","maskIntensity","enhancedLIC","enhanceContrast","lowLICContrastEnhancementFactor","highLICContrastEnhancementFactor","lowColorContrastEnhancementFactor","highColorContrastEnhancementFactor","antiAlias","colorMode","LICIntensity","mapModeBias","noiseTextureSize","noiseTextureType","noiseGrainSize","minNoiseValue","maxNoiseValue","numberOfNoiseLevels","noiseImpulseProbability","noiseImpulseBackgroundValue","noiseGeneratorSeed","viewPortScale","rebuildNoiseTexture"]),um(0,t)}var fm={newInstance:jt.newInstance(pm,"vtkSurfaceLICInterface"),extend:pm};const{Representation:gm}=ds;function mm(e,t){t.classHierarchy.push("vtkOpenGLSurfaceLICInterface"),e.renderQuad=(e,n)=>{const r=t.licQuad,o=t.context;let a=t.licQuadVAO;a||(a=md.newInstance(),a.setOpenGLRenderWindow(t._openGLRenderWindow),t.licQuadVAO=a),t.previousProgramHash!==n.getMd5Hash()&&(a.shaderProgramChanged(),r.getCABO().bind(),a.addAttributeArray(n,r.getCABO(),"vertexDC",r.getCABO().getVertexOffset(),r.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE),a.addAttributeArray(n,r.getCABO(),"tcoordDC",r.getCABO().getTCoordOffset(),r.getCABO().getStride(),t.context.FLOAT,2,t.context.FALSE),t.previousProgramHash=n.getMd5Hash()),o.drawArrays(o.TRIANGLES,0,r.getCABO().getElementCount()),a.release()},e.generateNoiseTexture=e=>{if(!t.noiseTexture||t.licInterface.getRebuildNoiseTexture()){t.licInterface.setRebuildNoiseTexture(!1),t.noiseTexture&&t.noiseTexture.releaseGraphicsResources(),vo()(t.noiseGeneratorSeed,{global:!0});let n=[];const{noiseTextureType:r,noiseGrainSize:o,numberOfNoiseLevels:a,noiseImpulseProbability:i,noiseImpulseBackgroundValue:s,minNoiseValue:l,maxNoiseValue:c}=t.licInterface.get("noiseTextureType","noiseGrainSize","numberOfNoiseLevels","noiseImpulseProbability","noiseImpulseBackgroundValue","minNoiseValue","maxNoiseValue");n=r===am?function(e,t,n,r,o,a){const i=Math.max(0,Math.min(1,n)),s=Float32Array.from({length:e*e},(()=>{let e=0;if(1===i||Math.random()>1-i)for(let t=0;t<2048;++t)e+=Math.random();return e}));let l=0,c=2049;s.forEach((e=>{c=1===i?e0?e:c,l=e>l?e:l}));let u=l-c;0===u&&(c=0,u=0===l?1:l);const d=t-1,p=0!==d?1/d:0,f=a-o;return s.map((e=>{const n=e=c?1===t?a:o+(i>d?d:i)*p*f:r}))}(Math.floor(e/o),a,i,s,l,c):function(e,t,n,r){let[o,a]=e;const i=r-n;return Float32Array.from({length:o*a},(()=>{let e=Math.random();return e=Math.floor(e*t)/t,e=e*i+n,e>1?1:e<0?0:e}))}([Math.ceil(e/o),Math.ceil(e/o)],a,l,c);const u=1/o,d=Float32Array.from({length:e*e*4},((t,r)=>{const a=r/4;if(r%4==0){const t=Math.floor(a%e*u),r=Math.floor(a/e*u);return n[r*(e/o)+t]}return r%4==1||r%4==3?1:0})),p=Fd.newInstance({wrapS:Fd.Wrap.REPEAT,wrapT:Fd.Wrap.REPEAT,minificationFilter:Fd.Filter.NEAREST,magnificationFilter:Fd.Filter.NEAREST,generateMipMap:!1,openGLDataType:t.context.FLOAT,baseLevel:0,maxLevel:0,autoParameters:!1});p.setOpenGLRenderWindow(t._openGLRenderWindow),p.create2DFromRaw(e,e,4,"Float32Array",d),p.activate(),p.sendParameters(),p.deactivate(),t.noiseTexture=p}},e.buildAShader=e=>t._openGLRenderWindow.getShaderCache().readyShaderProgramArray($g,e,""),e.allocateTextures=()=>{const n=Fd.Filter.NEAREST,r=Fd.Filter.LINEAR,o=t._openGLRenderWindow;t.geometryImage||(t.geometryImage=e.allocateTexture(o,n)),t.vectorImage||(t.vectorImage=e.allocateTexture(o,r)),t.maskVectorImage||(t.maskVectorImage=e.allocateTexture(o,r)),t.LICImage||(t.LICImage=e.allocateTexture(o,n)),t.RGBColorImage||(t.RGBColorImage=e.allocateTexture(o,n)),t.HSLColorImage||(t.HSLColorImage=e.allocateTexture(o,n)),t.depthTexture||(t.depthTexture=e.allocateDepthTexture(o))},e.allocateTexture=(e,n)=>{const r=t.context,o=Fd.newInstance({wrapS:Fd.Wrap.CLAMP_TO_EDGE,wrapT:Fd.Wrap.CLAMP_TO_EDGE,minificationFilter:n,magnificationFilter:n,generateMipmap:!1,openGLDataType:r.FLOAT,baseLevel:0,maxLevel:0,autoParameters:!1});return o.setOpenGLRenderWindow(e),o.setInternalFormat(r.RGBA32F),o.create2DFromRaw(...t.size,4,"Float32Array",null),o.activate(),o.sendParameters(),o.deactivate(),o},e.allocateDepthTexture=e=>{const n=t.context,r=Fd.newInstance({generateMipmap:!1,openGLDataType:n.FLOAT,autoParameters:!1});return r.setOpenGLRenderWindow(e),r.createDepthFromRaw(...t.size,"Float32Array",null),r.activate(),r.sendParameters(),r.deactivate(),r},e.createFBO=()=>{if(!t.framebuffer){t.licHelper=null;const e=$p.newInstance();e.setOpenGLRenderWindow(t._openGLRenderWindow),e.saveCurrentBindingsAndBuffers(),e.create(...t.size),e.populateFramebuffer(),t.framebuffer=e,e.restorePreviousBindingsAndBuffers()}},e.completedGeometry=()=>{const e=t.context,n=t.framebuffer;n.removeColorBuffer(0),n.removeColorBuffer(1),n.removeColorBuffer(2),n.removeDepthBuffer(),e.drawBuffers([e.NONE]),n.restorePreviousBindingsAndBuffers()},e.buildAllShaders=()=>{t.shadersNeedBuilding&&(t.licColorPass=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkSurfaceLICMapper_fs2.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// This shader combines surface geometry, LIC, and scalar colors.\n\n// the output of this shader\nlayout(location = 0) out vec4 RGBOutput;\nlayout(location = 1) out vec4 HSLOutput;\n\nuniform sampler2D texVectors; // vectors, depth\nuniform sampler2D texGeomColors; // scalar colors + lighting\nuniform sampler2D texLIC; // image lic\nuniform int uScalarColorMode; // select between blend, and map shader\nuniform float uLICIntensity; // blend shader: blending factor for lic'd colors\nuniform float uMapBias; // map shader: adjust the brightness of the result\nuniform float uMaskIntensity; // blending factor for mask color\nuniform vec3 uMaskColor; // color for the masked out fragments\n\nin vec2 tcoordVC;\n\n/**\nConvert from RGB color space into HSL colorspace.\n*/\nvec3 RGBToHSL(vec3 RGB)\n{\n vec3 HSL = vec3(0.0, 0.0, 0.0);\n\n float RGBMin = min(min(RGB.r, RGB.g), RGB.b);\n float RGBMax = max(max(RGB.r, RGB.g), RGB.b);\n float RGBMaxMinDiff = RGBMax - RGBMin;\n\n HSL.z = (RGBMax + RGBMin) / 2.0;\n\n if (RGBMaxMinDiff == 0.0)\n {\n // Gray scale\n HSL.x = 0.0;\n HSL.y = 0.0;\n }\n else\n {\n // Color\n if (HSL.z < 0.5)\n HSL.y = RGBMaxMinDiff / (RGBMax + RGBMin);\n else\n HSL.y = RGBMaxMinDiff / (2.0 - RGBMax - RGBMin);\n\n float dR\n = (((RGBMax - RGB.r) / 6.0) + (RGBMaxMinDiff / 2.0)) / RGBMaxMinDiff;\n float dG\n = (((RGBMax - RGB.g) / 6.0) + (RGBMaxMinDiff / 2.0)) / RGBMaxMinDiff;\n float dB\n = (((RGBMax - RGB.b) / 6.0) + (RGBMaxMinDiff / 2.0)) / RGBMaxMinDiff;\n\n if (RGB.r == RGBMax)\n HSL.x = dB - dG;\n else\n if (RGB.g == RGBMax)\n HSL.x = (1.0 / 3.0) + dR - dB;\n else\n if (RGB.b == RGBMax)\n HSL.x = (2.0 / 3.0) + dG - dR;\n\n if (HSL.x < 0.0)\n HSL.x += 1.0;\n\n if (HSL.x > 1.0)\n HSL.x -= 1.0;\n }\n\n return HSL;\n}\n\n/**\nHelper for HSL to RGB conversion.\n*/\nfloat Util(float v1, float v2, float vH)\n{\n if (vH < 0.0)\n vH += 1.0;\n\n if (vH > 1.0)\n vH -= 1.0;\n\n if ((6.0 * vH) < 1.0)\n return (v1 + (v2 - v1) * 6.0 * vH);\n\n if ((2.0 * vH) < 1.0)\n return (v2);\n\n if ((3.0 * vH) < 2.0)\n return (v1 + (v2 - v1) * ((2.0 / 3.0) - vH) * 6.0);\n\n return v1;\n}\n\n/**\nConvert from HSL space into RGB space.\n*/\nvec3 HSLToRGB(vec3 HSL)\n{\n vec3 RGB;\n if (HSL.y == 0.0)\n {\n // Gray\n RGB.r = HSL.z;\n RGB.g = HSL.z;\n RGB.b = HSL.z;\n }\n else\n {\n // Chromatic\n float v2;\n if (HSL.z < 0.5)\n v2 = HSL.z * (1.0 + HSL.y);\n else\n v2 = (HSL.z + HSL.y) - (HSL.y * HSL.z);\n\n float v1 = 2.0 * HSL.z - v2;\n\n RGB.r = Util(v1, v2, HSL.x + (1.0 / 3.0));\n RGB.g = Util(v1, v2, HSL.x);\n RGB.b = Util(v1, v2, HSL.x - (1.0 / 3.0));\n }\n\n return RGB.rgb;\n}\n\nvoid main()\n{\n vec4 lic = texture2D(texLIC, tcoordVC.st);\n vec4 geomColor = texture2D(texGeomColors, tcoordVC.st);\n\n // depth is used to determine which fragment belong to us\n // and we can change\n float depth = texture2D(texVectors, tcoordVC.st).a;\n\n vec3 fragColorRGB;\n float valid;\n if (depth > 1.0e-3)\n {\n // we own it\n // shade LIC'ed geometry, or apply mask\n if (lic.g!=0.0)\n {\n // it's masked\n // apply fragment mask\n fragColorRGB = uMaskIntensity * uMaskColor + (1.0 - uMaskIntensity) * geomColor.rgb;\n valid = 0.0;\n }\n else\n {\n if (uScalarColorMode==0)\n {\n // blend with scalars\n fragColorRGB = lic.rrr * uLICIntensity + geomColor.rgb * (1.0 - uLICIntensity);\n }\n else\n {\n // multiply with scalars\n fragColorRGB = geomColor.rgb * clamp((uMapBias + lic.r), 0.0, 1.0);\n }\n if (lic.b != 0.0)\n {\n // didn't have the required guard pixels\n // don't consider it in min max estimation\n // for histpgram stretching\n valid = 0.0;\n }\n else\n {\n // ok to use in min/max estimates for histogram\n // stretching\n valid = 1.0;\n }\n }\n }\n else\n {\n // we don't own it\n // pass through scalars\n fragColorRGB = geomColor.rgb;\n valid = 0.0;\n }\n\n // if no further stages this texture is\n // copied to the screen\n RGBOutput = vec4(fragColorRGB, geomColor.a);\n\n // if further stages, move to hsl space for contrast\n // enhancement. encoding validity saves moving a texture to the cpu\n vec3 fragColorHSL = RGBToHSL(fragColorRGB);\n HSLOutput = vec4(fragColorHSL, valid);\n}\n"),t.licCopyPass=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkSurfaceLICMapper_DCpy.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// This shader copies fragments and depths to the output buffer\n\n// the output of this shader\n//VTK::Output::Dec\n\nuniform sampler2D texDepth; // z values from vertex shader\nuniform sampler2D texRGBColors; // final rgb LIC colors\n\nin vec2 tcoordVC;\n\nvoid main()\n{\n gl_FragDepth = texture2D(texDepth, tcoordVC).x;\n gl_FragData[0] = texture2D(texRGBColors, tcoordVC);\n\n // since we render a screen aligned quad\n // we're going to be writing fragments\n // not touched by the original geometry\n // it's critical not to modify those\n // fragments.\n if (gl_FragDepth == 1.0)\n {\n discard;\n }\n}\n"),t.enhanceContrastPass=e.buildAShader("//VTK::System::Dec\n\n//=========================================================================\n//\n// Program: Visualization Toolkit\n// Module: vtkSurfaceLICMapper_CE.glsl\n//\n// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n// All rights reserved.\n// See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n//\n// This software is distributed WITHOUT ANY WARRANTY; without even\n// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n// PURPOSE. See the above copyright notice for more information.\n//\n//=========================================================================\n\n// color contrast enhance stage implemented via histogram stretching\n// on lightness channel. if the min and max are tweaked it can generate\n// out-of-range values these will be clamped in 0 to 1\n\n// the output of this shader\n//VTK::Output::Dec\n\nuniform sampler2D texGeomColors; // scalars + lighting\nuniform sampler2D texLIC; // image lic, mask\nuniform sampler2D texHSLColors; // hsla colors\n\nuniform float uLMin; // min lightness over all fragments\nuniform float uLMaxMinDiff; // max - min lightness over all fragments\n\nin vec2 tcoordVC;\n\nvec3 HSLToRGB(vec3 HSL)\n{\n vec3 RGB;\n float v;\n float h = HSL.x;\n float sl = HSL.y;\n float l = HSL.z;\n\n v = (l <= 0.5) ? (l * (1.0 + sl)) : (l + sl - l * sl);\n if (v <= 0.0) {\n RGB = vec3(0.0,0.0,0.0);\n } else {\n float m;\n int sextant;\n float fract, vsf, mid1, mid2;\n\n m = l + l - v;\n h *= 6.0;\n sextant = int(h);\n fract = h - float(sextant);\n\n vsf = (v - m) * fract;\n mid1 = m + vsf;\n mid2 = v - vsf;\n switch (sextant) {\n case 0: RGB.r = v; RGB.g = mid1; RGB.b = m; break;\n case 1: RGB.r = mid2; RGB.g = v; RGB.b = m; break;\n case 2: RGB.r = m; RGB.g = v; RGB.b = mid1; break;\n case 3: RGB.r = m; RGB.g = mid2; RGB.b = v; break;\n case 4: RGB.r = mid1; RGB.g = m; RGB.b = v; break;\n case 5: RGB.r = v; RGB.g = m; RGB.b = mid2; break;\n }\n }\n return RGB;\n}\n\nvoid main()\n{\n // lookup hsl color , mask\n vec4 fragColor = texture2D(texHSLColors, tcoordVC.st);\n\n // don't modify masked fragments (masked => lic.g==1)\n vec4 lic = texture2D(texLIC, tcoordVC.st);\n if (lic.g==0.0)\n {\n // normalize lightness channel\n fragColor.z = clamp((fragColor.z - uLMin)/uLMaxMinDiff, 0.0, 1.0);\n }\n\n // back into rgb space\n fragColor.rgb = HSLToRGB(fragColor.xyz);\n\n // add alpha\n vec4 geomColor = texture2D(texGeomColors, tcoordVC.st);\n fragColor.a = geomColor.a;\n\n gl_FragData[0] = fragColor;\n}\n"),t.shadersNeedBuilding=!1)},e.initializeResources=()=>{e.createFBO(),e.generateNoiseTexture(t.licInterface.getNoiseTextureSize()),e.allocateTextures(),e.buildAllShaders(),t.licQuad||(t.licQuad=function(e){const t=xd.newInstance();t.setOpenGLRenderWindow(e);const n=new Float32Array(12);for(let e=0;e<4;e++)n[3*e]=e%2*2-1,n[3*e+1]=e>1?1:-1,n[3*e+2]=0;const r=new Float32Array([0,0,1,0,0,1,1,1]),o=new Uint16Array(8);o[0]=3,o[1]=0,o[2]=1,o[3]=3,o[4]=3,o[5]=0,o[6]=3,o[7]=2;const a=Es.newInstance({numberOfComponents:3,values:n});a.setName("points");const i=Es.newInstance({numberOfComponents:1,values:o}),s=Es.newInstance({numberOfComponents:2,values:r});return t.getCABO().createVBO(i,"polys",gm.SURFACE,{points:a,cellOffset:0,tcoords:s}),t}(t._openGLRenderWindow)),t.licHelper||(t.licHelper=cm.newInstance())},e.prepareForGeometry=()=>{const e=t.framebuffer;e.saveCurrentBindingsAndBuffers(),e.bind(),t.geometryImage.activate(),t.vectorImage.activate(),t.maskVectorImage.activate(),e.removeColorBuffer(0),e.removeColorBuffer(2),e.removeColorBuffer(3),e.setColorBuffer(t.geometryImage,0),e.setColorBuffer(t.vectorImage,2),e.setColorBuffer(t.maskVectorImage,3),e.setDepthBuffer(t.depthTexture);const n=t.context;n.drawBuffers([n.COLOR_ATTACHMENT0,n.NONE,n.COLOR_ATTACHMENT2,n.COLOR_ATTACHMENT3]),n.viewport(0,0,...t.size),n.scissor(0,0,...t.size),n.disable(n.BLEND),n.disable(n.DEPTH_TEST),n.disable(n.SCISSOR_TEST),n.clearColor(0,0,0,0),n.clear(n.DEPTH_BUFFER_BIT|n.COLOR_BUFFER_BIT)},e.copyToScreen=n=>{t.RGBColorImage.activate(),t.depthTexture.activate(),t.licCopyPass||e.initializeResources();const r=t.licCopyPass;t._openGLRenderWindow.getShaderCache().readyShaderProgram(r);const o=t.context;o.viewport(0,0,...n),o.scissor(0,0,...n),o.disable(o.BLEND),o.enable(o.DEPTH_TEST),o.disable(o.SCISSOR_TEST),r.setUniformi("texDepth",t.depthTexture.getTextureUnit()),r.setUniformi("texRGBColors",t.RGBColorImage.getTextureUnit()),e.renderQuad(n,r),t.RGBColorImage.deactivate(),t.depthTexture.deactivate()},e.combineColorsAndLIC=()=>{const n=t.context,r=t.framebuffer;r.saveCurrentBindingsAndBuffers(),r.bind(),r.create(...t.size),r.removeColorBuffer(0),r.removeColorBuffer(1),r.setColorBuffer(t.RGBColorImage,0),r.setColorBuffer(t.HSLColorImage,1),n.drawBuffers([n.COLOR_ATTACHMENT0,n.COLOR_ATTACHMENT1]),n.disable(n.DEPTH_TEST),n.clearColor(0,0,0,0),n.clear(n.COLOR_BUFFER_BIT),t.vectorImage.activate(),t.geometryImage.activate(),t.LICImage.activate(),t.licColorPass||e.initializeResources();const o=t.licColorPass;t._openGLRenderWindow.getShaderCache().readyShaderProgram(o),o.setUniformi("texVectors",t.vectorImage.getTextureUnit()),o.setUniformi("texGeomColors",t.geometryImage.getTextureUnit());const{colorMode:a,LICIntensity:i,mapModeBias:s,maskIntensity:l,maskColor:c,enhanceContrast:u,lowColorContrastEnhancementFactor:d,highColorContrastEnhancementFactor:p}=t.licInterface.get("colorMode","LICIntensity","mapModeBias","maskIntensity","maskColor","enhanceContrast","lowColorContrastEnhancementFactor","highColorContrastEnhancementFactor");if(o.setUniformi("texLIC",t.LICImage.getTextureUnit()),o.setUniformi("uScalarColorMode",a),o.setUniformf("uLICIntensity",i),o.setUniformf("uMapBias",s),o.setUniformf("uMaskIntensity",l),o.setUniform3f("uMaskColor",...c),e.renderQuad(t.size,o),t.vectorImage.deactivate(),t.geometryImage.deactivate(),t.LICImage.deactivate(),r.removeColorBuffer(0),r.removeColorBuffer(1),n.drawBuffers([n.NONE]),u===rm||u===om){let o=0,a=1,i=a-o;o+=i*d,a-=i*p,i=a-o,r.setColorBuffer(t.RGBColorImage),n.drawBuffers([n.COLOR_ATTACHMENT0]),t.geometryImage.activate(),t.HSLColorImage.activate(),t.LICImage.activate(),t.enhanceContrastPass||e.initializeResources();const{enhanceContrastPass:s}=t;t._openGLRenderWindow.getShaderCache().readyShaderProgram(s),s.setUniformi("texGeomColors",t.geometryImage.getTextureUnit()),s.setUniformi("texHSLColors",t.HSLColorImage.getTextureUnit()),s.setUniformi("texLIC",t.LICImage.getTextureUnit()),s.setUniformf("uLMin",o),s.setUniformf("uLMaxMinDiff",i),e.renderQuad(t.size,s),t.geometryImage.deactivate(),t.HSLColorImage.deactivate(),t.LICImage.deactivate(),r.removeColorBuffer(0),n.drawBuffers([n.NONE])}r.restorePreviousBindingsAndBuffers()},e.applyLIC=()=>{const e=t.licInterface.get("stepSize","numberOfSteps","enhancedLIC","enhanceContrast","lowLICContrastEnhancementFactor","highLICContrastEnhancementFactor","antiAlias","normalizeVectors","maskThreshold","transformVectors"),n=t.licHelper.executeLIC(t.size,t.vectorImage,t.maskVectorImage,t.noiseTexture,t._openGLRenderWindow,e);if(!n)return console.error("Failed to compute image LIC"),void(t.LICImage=null);t.LICImage=n},e.setSize=n=>{Array.isArray(n)&&2===n.length&&(t.size&&t.size[0]===n[0]&&t.size[1]===n[1]||(t.size=n,e.releaseGraphicsResources()))},e.releaseGraphicsResources=()=>{t.geometryImage&&(t.geometryImage.releaseGraphicsResources(),t.geometryImage=null),t.vectorImage&&(t.vectorImage.releaseGraphicsResources(),t.vectorImage=null),t.maskVectorImage&&(t.maskVectorImage.releaseGraphicsResources(),t.maskVectorImage=null),t.LICImage&&(t.LICImage.releaseGraphicsResources(),t.LICImage=null),t.RGBColorImage&&(t.RGBColorImage.releaseGraphicsResources(),t.RGBColorImage=null),t.HSLColorImage&&(t.HSLColorImage.releaseGraphicsResources(),t.HSLColorImage=null),t.depthTexture&&(t.depthTexture.releaseGraphicsResources(),t.depthTexture=null),t.framebuffer&&(t.framebuffer.releaseGraphicsResources(),t.framebuffer=null)}}const hm={context:null,shadersNeedBuilding:!0,reallocateTextures:!0,size:null,licInterface:null};function vm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,hm,n),fm.extend(e,t,n),jt.obj(e,t),jt.setGet(e,t,["context","_openGLRenderWindow","reallocateTextures","licInterface","size"]),jt.moveToProtected(e,t,["openGLRenderWindow"]),mm(e,t)}var ym={newInstance:jt.newInstance(vm,"vtkSurfaceLICInterface"),extend:vm};const{vtkErrorMacro:bm}=Kt;function xm(e,t){t.classHierarchy.push("vtkOpenGLSurfaceLICMapper");const n={...e};e.getNeedToRebuildShaders=(e,r,o)=>t.rebuildLICShaders||n.getNeedToRebuildShaders(e,r,o),e.replaceShaderValues=(e,r,o)=>{const a=t.lastBoundBO.getReferenceByName("lastLightComplexity");let i=e.Vertex,s=e.Fragment;const l=t.renderable.getInputArrayToProcess(0);if(l&&t.canDrawLIC){s=dd.substitute(s,"//VTK::Output::Dec",["//VTK::Output::Dec","layout(location = 2) out vec4 vectorTexture;","layout(location = 3) out vec4 maskVectorTexture;"]).result;const n=`${l.getName()}MC`;0===a&&t.lastBoundBO.set({lastLightComplexity:1},!0),i=dd.substitute(i,"//VTK::TCoord::Dec",[`attribute vec3 ${n};`,"out vec3 licOutput;","//VTK::TCoord::Dec"]).result,i=dd.substitute(i,"//VTK::TCoord::Impl",[`licOutput = ${n};`,"//VTK::TCoord::Impl"]).result,s=dd.substitute(s,"//VTK::TCoord::Dec",["uniform int uMaskOnSurface;","uniform mat3 normalMatrix;","in vec3 licOutput;","//VTK::TCoord::Dec"]).result,s=dd.substitute(s,"//VTK::TCoord::Impl",["// projected vectors"," vec3 tcoordLIC = normalMatrix * licOutput;"," vec3 normN = normalize(normalVCVSOutput);"," float k = dot(tcoordLIC, normN);"," vec3 projected = (tcoordLIC - k*normN);"," vectorTexture = vec4(projected.x, projected.y, 0.0 , 1.0);","// vectors for fragment masking"," if (uMaskOnSurface == 0)"," {"," maskVectorTexture = vec4(licOutput, 1.0);"," }"," else"," {"," maskVectorTexture = vec4(projected.x, projected.y, 0.0 , 1.0);"," }","//VTK::TCoord::Impl"],!1).result,e.Vertex=i}t.rebuildLICShaders=!1,e.Fragment=s,n.replaceShaderValues(e,r,o),a>0&&t.lastBoundBO.set({lastLightComplexity:a},!0)},e.setMapperShaderParameters=(e,r,o)=>{n.setMapperShaderParameters(e,r,o),t.canDrawLIC&&e.getProgram().setUniformi("uMaskOnSurface",t.maskOnSurface)},e.getNeedToRebuildBufferObjects=(e,r)=>t.rebuildLICBuffers||n.getNeedToRebuildBufferObjects(e,r),e.buildBufferObjects=(e,r)=>{if(t.canDrawLIC){const e=t.renderable.getInputArrayToProcess(0);e&&e.getNumberOfComponents()>1&&t.renderable.setCustomShaderAttributes([e.getName()])}t.rebuildLICBuffers=!1,n.buildBufferObjects(e,r)},e.pushState=e=>{t.stateCache={[e.BLEND]:e.isEnabled(e.BLEND),[e.DEPTH_TEST]:e.isEnabled(e.DEPTH_TEST),[e.SCISSOR_TEST]:e.isEnabled(e.SCISSOR_TEST),[e.CULL_FACE]:e.isEnabled(e.CULL_FACE)}},e.popState=e=>{const n=n=>t.stateCache[n]?e.enable(n):e.disable(n);n(e.BLEND),n(e.DEPTH_TEST),n(e.SCISSOR_TEST),n(e.CULL_FACE)},e.renderPiece=(r,o)=>{let a=!0;t._openGLRenderWindow.getWebgl2()||(bm("SurfaceLICMapper Requires WebGL 2"),a=!1),t.context.getExtension("EXT_color_buffer_float")&&t.context.getExtension("OES_texture_float_linear")||(bm("SurfaceLICMapper requires the EXT_color_buffer_float and OES_texture_float_linear WebGL2 extensions."),a=!1),t.currentInput=t.renderable.getInputData(),t.currentInput||(bm("No input"),a=!1);let i=t.renderable.getLicInterface();i||(i=fm.newInstance(),t.renderable.setLicInterface(i)),t.openGLLicInterface||(t.openGLLicInterface=ym.newInstance()),i!==t.openGLLicInterface.getLicInterface()&&t.openGLLicInterface.setLicInterface(i);const s=t.renderable.getInputArrayToProcess(0);if(i.getEnableLIC()&&(!s||s.getNumberOfComponents()<2)&&(bm("No vector input array"),a=!1),i.getEnableLIC()||(a=!1),t.canDrawLIC!==a&&(t.rebuildLICShaders=!0,t.rebuildLICBuffers=!0),t.canDrawLIC=a,!a||!i.getEnableLIC())return void n.renderPiece(r,o);const l=t.context,c=o.getProperty().getBackfaceCulling(),u=o.getProperty().getFrontfaceCulling();c||u?u?(t._openGLRenderWindow.enableCullFace(),l.cullFace(l.FRONT)):(t._openGLRenderWindow.enableCullFace(),l.cullFace(l.BACK)):t._openGLRenderWindow.disableCullFace();const d=t._openGLRenderWindow.getSize(),p=d.map((e=>Math.round(e*i.getViewPortScale())));t.openGLLicInterface.setSize(p),t.openGLLicInterface.setOpenGLRenderWindow(t._openGLRenderWindow),t.openGLLicInterface.setContext(t.context),e.pushState(t.context),t.openGLLicInterface.initializeResources(),t.openGLLicInterface.prepareForGeometry(),e.popState(t.context),n.renderPieceStart(r,o),n.renderPieceDraw(r,o),n.renderPieceFinish(r,o),e.pushState(t.context),t.VBOBuildTime.modified(),t.openGLLicInterface.completedGeometry(),t.context.disable(t.context.CULL_FACE),t.openGLLicInterface.applyLIC(),t.openGLLicInterface.combineColorsAndLIC(),t.openGLLicInterface.copyToScreen(d),e.popState(t.context)}}const Tm={canDrawLIC:!1,rebuildLICShaders:!1,rebuildLICBuffers:!1,openGLLicInterface:null};const Cm=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Tm,n),op.extend(e,t,n),xm(e,t),Pt(e,t,["openGLLicInterface"])}),"vtkOpenGLSurfaceLICMapper");rn("vtkSurfaceLICMapper",Cm);const{vtkErrorMacro:Sm}=Kt;function Pm(e,t){t.classHierarchy.push("vtkOpenGLSphereMapper");const n={...e};e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkSphereMapperVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// this shader implements imposters in OpenGL for Spheres\n\nattribute vec4 vertexMC;\nattribute vec2 offsetMC;\n\n// optional normal declaration\n//VTK::Normal::Dec\n\n//VTK::Picking::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\nuniform mat3 normalMatrix; // transform model coordinate directions to view coordinates\n\n// material property values\n//VTK::Color::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\nvarying vec4 vertexVCVSOutput;\nvarying float radiusVCVSOutput;\nvarying vec3 centerVCVSOutput;\n\nuniform int cameraParallel;\nuniform float scaleFactor;\n\nvoid main()\n{\n //VTK::Picking::Impl\n\n //VTK::Color::Impl\n\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Clip::Impl\n\n // compute the projected vertex position\n vec2 scaledOffsetMC = scaleFactor * offsetMC;\n vertexVCVSOutput = MCVCMatrix * vertexMC;\n centerVCVSOutput = vertexVCVSOutput.xyz;\n radiusVCVSOutput = length(scaledOffsetMC)*0.5;\n\n // make the triangle face the camera\n if (cameraParallel == 0)\n {\n vec3 dir = normalize(-vertexVCVSOutput.xyz);\n vec3 base2 = normalize(cross(dir,vec3(1.0,0.0,0.0)));\n vec3 base1 = cross(base2,dir);\n vertexVCVSOutput.xyz = vertexVCVSOutput.xyz + scaledOffsetMC.x*base1 + scaledOffsetMC.y*base2;\n }\n else\n {\n // add in the offset\n vertexVCVSOutput.xy = vertexVCVSOutput.xy + scaledOffsetMC;\n }\n\n gl_Position = VCPCMatrix * vertexVCVSOutput;\n}\n",e.Fragment=Gd,e.Geometry=""},e.replaceShaderValues=(e,r,o)=>{let a=e.Vertex,i=e.Fragment;a=dd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 VCPCMatrix;\n","uniform mat4 MCVCMatrix;"]).result,i=dd.substitute(i,"//VTK::PositionVC::Dec",["varying vec4 vertexVCVSOutput;"]).result,i=dd.substitute(i,"//VTK::PositionVC::Impl",["vec4 vertexVC = vertexVCVSOutput;\n"]).result,i=dd.substitute(i,"//VTK::Normal::Dec",["uniform float invertedDepth;\n","uniform int cameraParallel;\n","varying float radiusVCVSOutput;\n","varying vec3 centerVCVSOutput;\n","uniform mat4 VCPCMatrix;\n"]).result;let s="";t.context.getExtension("EXT_frag_depth")&&(s="gl_FragDepthEXT = (pos.z / pos.w + 1.0) / 2.0;\n"),t._openGLRenderWindow.getWebgl2()&&(s="gl_FragDepth = (pos.z / pos.w + 1.0) / 2.0;\n"),i=dd.substitute(i,"//VTK::Depth::Impl",[" vec3 EyePos;\n"," vec3 EyeDir;\n"," if (cameraParallel != 0) {\n"," EyePos = vec3(vertexVC.x, vertexVC.y, vertexVC.z + 3.0*radiusVCVSOutput);\n"," EyeDir = vec3(0.0,0.0,-1.0); }\n"," else {\n"," EyeDir = vertexVC.xyz;\n"," EyePos = vec3(0.0,0.0,0.0);\n"," float lengthED = length(EyeDir);\n"," EyeDir = normalize(EyeDir);\n"," if (lengthED > radiusVCVSOutput*3.0) {\n"," EyePos = vertexVC.xyz - EyeDir*3.0*radiusVCVSOutput; }\n"," }\n"," EyePos = EyePos - centerVCVSOutput;\n"," EyePos = EyePos/radiusVCVSOutput;\n"," float b = 2.0*dot(EyePos,EyeDir);\n"," float c = dot(EyePos,EyePos) - 1.0;\n"," float d = b*b - 4.0*c;\n"," vec3 normalVCVSOutput = vec3(0.0,0.0,1.0);\n"," if (d < 0.0) { discard; }\n"," else {\n"," float t = (-b - invertedDepth*sqrt(d))*0.5;\n"," normalVCVSOutput = invertedDepth*normalize(EyePos + t*EyeDir);\n"," vertexVC.xyz = normalVCVSOutput*radiusVCVSOutput + centerVCVSOutput;\n"," }\n"," vec4 pos = VCPCMatrix * vertexVC;\n",s]).result,i=dd.substitute(i,"//VTK::Normal::Impl","").result,t.haveSeenDepthRequest&&(i=dd.substitute(i,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float computedZ = (pos.z / pos.w + 1.0) / 2.0;","float iz = floor(computedZ * 65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),e.Vertex=a,e.Fragment=i,n.replaceShaderValues(e,r,o)},e.setMapperShaderParameters=(e,r,o)=>{if(e.getCABO().getElementCount()&&(t.VBOBuildTime>e.getAttributeUpdateTime().getMTime()||e.getShaderSourceTime().getMTime()>e.getAttributeUpdateTime().getMTime())&&e.getProgram().isAttributeUsed("offsetMC")&&(e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),"offsetMC",12,e.getCABO().getStride(),t.context.FLOAT,2,!1)||Sm("Error setting 'offsetMC' in shader VAO.")),e.getProgram().isUniformUsed("invertedDepth")&&e.getProgram().setUniformf("invertedDepth",t.invert?-1:1),e.getProgram().isUniformUsed("scaleFactor")){const n=t.currentInput.getPointData();null!=t.renderable.getScaleArray()&&n.hasArray(t.renderable.getScaleArray())?e.getProgram().setUniformf("scaleFactor",t.renderable.getScaleFactor()):e.getProgram().setUniformf("scaleFactor",1)}n.setMapperShaderParameters(e,r,o)},e.setCameraShaderParameters=(e,n,r)=>{const o=e.getProgram(),a=n.getActiveCamera(),i=t.openGLCamera.getKeyMatrices(n);if(o.isUniformUsed("VCPCMatrix")&&o.setUniformMatrix("VCPCMatrix",i.vcpc),o.isUniformUsed("MCVCMatrix"))if(r.getIsIdentity())o.setUniformMatrix("MCVCMatrix",i.wcvc);else{const e=t.openGLActor.getKeyMatrices(),n=new Float64Array(16);b(n,i.wcvc,e.mcwc),o.setUniformMatrix("MCVCMatrix",n)}o.isUniformUsed("cameraParallel")&&e.getProgram().setUniformi("cameraParallel",a.getParallelProjection())},e.getOpenGLMode=(e,n)=>t.context.TRIANGLES,e.buildBufferObjects=(e,n)=>{const r=t.currentInput;if(null===r)return;t.renderable.mapScalars(r,1);const o=t.renderable.getColorMapColors(),a=t.primitives[t.primTypes.Tris].getCABO(),i=r.getPointData(),s=r.getPoints(),l=s.getNumberOfPoints(),c=s.getData();let u=null;null!=t.renderable.getScaleArray()&&i.hasArray(t.renderable.getScaleArray())&&(u=i.getArray(t.renderable.getScaleArray()).getData());let d=null,p=0,f=null;o?(p=o.getNumberOfComponents(),a.setColorOffset(0),a.setColorBOStride(4),d=o.getData(),f=new Uint8Array(3*l*4),a.getColorBO()||a.setColorBO(Yu.newInstance()),a.getColorBO().setOpenGLRenderWindow(t._openGLRenderWindow)):a.getColorBO()&&a.setColorBO(null),a.setColorComponents(p);const g=new Float32Array(5*l*3);a.setStride(20);const m=Math.cos(Mo(30));let h=0,v=0,y=0,b=0;for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Am,n),op.extend(e,t,n),Pm(e,t)}),"vtkOpenGLSphereMapper");rn("vtkSphereMapper",Im);const{vtkErrorMacro:wm}=Kt;function Om(e,t){t.classHierarchy.push("vtkOpenGLStickMapper");const n={...e};e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkStickMapperVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// this shader implements imposters in OpenGL for Sticks\n\nattribute vec4 vertexMC;\nattribute vec3 orientMC;\nattribute vec4 offsetMC;\nattribute float radiusMC;\n\n// optional normal declaration\n//VTK::Normal::Dec\n\n//VTK::Picking::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\nuniform mat3 normalMatrix; // transform model coordinate directions to view coordinates\n\n// material property values\n//VTK::Color::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\nvarying vec4 vertexVCVSOutput;\nvarying float radiusVCVSOutput;\nvarying float lengthVCVSOutput;\nvarying vec3 centerVCVSOutput;\nvarying vec3 orientVCVSOutput;\n\nuniform int cameraParallel;\n\nvoid main()\n{\n //VTK::Picking::Impl\n\n //VTK::Color::Impl\n\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Clip::Impl\n\n vertexVCVSOutput = MCVCMatrix * vertexMC;\n centerVCVSOutput = vertexVCVSOutput.xyz;\n radiusVCVSOutput = radiusMC;\n lengthVCVSOutput = length(orientMC);\n orientVCVSOutput = normalMatrix * normalize(orientMC);\n\n // make sure it is pointing out of the screen\n if (orientVCVSOutput.z < 0.0)\n {\n orientVCVSOutput = -orientVCVSOutput;\n }\n\n // make the basis\n vec3 xbase;\n vec3 ybase;\n vec3 dir = vec3(0.0,0.0,1.0);\n if (cameraParallel == 0)\n {\n dir = normalize(-vertexVCVSOutput.xyz);\n }\n if (abs(dot(dir,orientVCVSOutput)) == 1.0)\n {\n xbase = normalize(cross(vec3(0.0,1.0,0.0),orientVCVSOutput));\n ybase = cross(xbase,orientVCVSOutput);\n }\n else\n {\n xbase = normalize(cross(orientVCVSOutput,dir));\n ybase = cross(orientVCVSOutput,xbase);\n }\n\n vec3 offsets = offsetMC.xyz*2.0-1.0;\n vertexVCVSOutput.xyz = vertexVCVSOutput.xyz +\n radiusVCVSOutput*offsets.x*xbase +\n radiusVCVSOutput*offsets.y*ybase +\n 0.5*lengthVCVSOutput*offsets.z*orientVCVSOutput;\n\n gl_Position = VCPCMatrix * vertexVCVSOutput;\n}\n",e.Fragment=Gd,e.Geometry=""},e.replaceShaderValues=(e,r,o)=>{let a=e.Vertex,i=e.Fragment;a=dd.substitute(a,"//VTK::Camera::Dec",["uniform mat4 VCPCMatrix;\n","uniform mat4 MCVCMatrix;"]).result,i=dd.substitute(i,"//VTK::PositionVC::Dec","varying vec4 vertexVCVSOutput;").result,i=dd.substitute(i,"//VTK::PositionVC::Impl"," vec4 vertexVC = vertexVCVSOutput;\n").result,i=dd.substitute(i,"//VTK::Normal::Dec",["uniform int cameraParallel;\n","varying float radiusVCVSOutput;\n","varying vec3 orientVCVSOutput;\n","varying float lengthVCVSOutput;\n","varying vec3 centerVCVSOutput;\n","uniform mat4 VCPCMatrix;\n"]).result;let s="";t.context.getExtension("EXT_frag_depth")&&(s=" gl_FragDepthEXT = (pos.z / pos.w + 1.0) / 2.0;\n"),t._openGLRenderWindow.getWebgl2()&&(s="gl_FragDepth = (pos.z / pos.w + 1.0) / 2.0;\n"),i=dd.substitute(i,"//VTK::Depth::Impl",[" vec3 EyePos;\n"," vec3 EyeDir;\n"," if (cameraParallel != 0) {\n"," EyePos = vec3(vertexVC.x, vertexVC.y, vertexVC.z + 3.0*radiusVCVSOutput);\n"," EyeDir = vec3(0.0,0.0,-1.0); }\n"," else {\n"," EyeDir = vertexVC.xyz;\n"," EyePos = vec3(0.0,0.0,0.0);\n"," float lengthED = length(EyeDir);\n"," EyeDir = normalize(EyeDir);\n"," if (lengthED > radiusVCVSOutput*3.0) {\n"," EyePos = vertexVC.xyz - EyeDir*3.0*radiusVCVSOutput; }\n"," }\n"," EyePos = EyePos - centerVCVSOutput;\n"," vec3 base1;\n"," if (abs(orientVCVSOutput.z) < 0.99) {\n"," base1 = normalize(cross(orientVCVSOutput,vec3(0.0,0.0,1.0))); }\n"," else {\n"," base1 = normalize(cross(orientVCVSOutput,vec3(0.0,1.0,0.0))); }\n"," vec3 base2 = cross(orientVCVSOutput,base1);\n"," EyePos = vec3(dot(EyePos,base1),dot(EyePos,base2),dot(EyePos,orientVCVSOutput));\n"," EyeDir = vec3(dot(EyeDir,base1),dot(EyeDir,base2),dot(EyeDir,orientVCVSOutput));\n"," EyePos = EyePos/radiusVCVSOutput;\n"," float a = EyeDir.x*EyeDir.x + EyeDir.y*EyeDir.y;\n"," float b = 2.0*(EyePos.x*EyeDir.x + EyePos.y*EyeDir.y);\n"," float c = EyePos.x*EyePos.x + EyePos.y*EyePos.y - 1.0;\n"," float d = b*b - 4.0*a*c;\n"," vec3 normalVCVSOutput = vec3(0.0,0.0,1.0);\n"," if (d < 0.0) { discard; }\n"," else {\n"," float t = (-b - sqrt(d))/(2.0*a);\n"," float tz = EyePos.z + t*EyeDir.z;\n"," vec3 iPoint = EyePos + t*EyeDir;\n"," if (abs(iPoint.z)*radiusVCVSOutput > lengthVCVSOutput*0.5) {\n"," float t2 = (-b + sqrt(d))/(2.0*a);\n"," float tz2 = EyePos.z + t2*EyeDir.z;\n"," if (tz2*radiusVCVSOutput > lengthVCVSOutput*0.5 || tz*radiusVCVSOutput < -0.5*lengthVCVSOutput) { discard; }\n"," else {\n"," normalVCVSOutput = orientVCVSOutput;\n"," float t3 = (lengthVCVSOutput*0.5/radiusVCVSOutput - EyePos.z)/EyeDir.z;\n"," iPoint = EyePos + t3*EyeDir;\n"," vertexVC.xyz = radiusVCVSOutput*(iPoint.x*base1 + iPoint.y*base2 + iPoint.z*orientVCVSOutput) + centerVCVSOutput;\n"," }\n"," }\n"," else {\n"," normalVCVSOutput = iPoint.x*base1 + iPoint.y*base2;\n"," vertexVC.xyz = radiusVCVSOutput*(normalVCVSOutput + iPoint.z*orientVCVSOutput) + centerVCVSOutput;\n"," }\n"," }\n"," vec4 pos = VCPCMatrix * vertexVC;\n",s]).result,i=dd.substitute(i,"//VTK::Normal::Impl","").result,t.haveSeenDepthRequest&&(i=dd.substitute(i,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float computedZ = (pos.z / pos.w + 1.0) / 2.0;","float iz = floor(computedZ * 65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),e.Vertex=a,e.Fragment=i,n.replaceShaderValues(e,r,o)},e.setMapperShaderParameters=(e,r,o)=>{e.getCABO().getElementCount()&&(t.VBOBuildTime>e.getAttributeUpdateTime().getMTime()||e.getShaderSourceTime().getMTime()>e.getAttributeUpdateTime().getMTime())&&(e.getProgram().isAttributeUsed("orientMC")&&(e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),"orientMC",12,e.getCABO().getStride(),t.context.FLOAT,3,!1)||wm("Error setting 'orientMC' in shader VAO.")),e.getProgram().isAttributeUsed("offsetMC")&&(e.getVAO().addAttributeArray(e.getProgram(),e.getCABO().getColorBO(),"offsetMC",0,e.getCABO().getColorBOStride(),t.context.UNSIGNED_BYTE,3,!0)||wm("Error setting 'offsetMC' in shader VAO.")),e.getProgram().isAttributeUsed("radiusMC")&&(e.getVAO().addAttributeArray(e.getProgram(),e.getCABO(),"radiusMC",24,e.getCABO().getStride(),t.context.FLOAT,1,!1)||wm("Error setting 'radiusMC' in shader VAO."))),n.setMapperShaderParameters(e,r,o)},e.setCameraShaderParameters=(e,n,r)=>{const o=e.getProgram(),a=n.getActiveCamera(),i=t.openGLCamera.getKeyMatrices(n);if(o.isUniformUsed("VCPCMatrix")&&o.setUniformMatrix("VCPCMatrix",i.vcpc),r.getIsIdentity())o.isUniformUsed("MCVCMatrix")&&o.setUniformMatrix("MCVCMatrix",i.wcvc),o.isUniformUsed("normalMatrix")&&o.setUniformMatrix3x3("normalMatrix",i.normalMatrix);else{const e=t.openGLActor.getKeyMatrices();if(o.isUniformUsed("MCVCMatrix")){const t=new Float64Array(16);b(t,i.wcvc,e.mcwc),o.setUniformMatrix("MCVCMatrix",t)}if(o.isUniformUsed("normalMatrix")){const t=new Float64Array(9);ve(t,i.normalMatrix,e.normalMatrix),o.setUniformMatrix3x3("normalMatrix",t)}}o.isUniformUsed("cameraParallel")&&e.getProgram().setUniformi("cameraParallel",a.getParallelProjection())},e.getOpenGLMode=(e,n)=>t.context.TRIANGLES,e.buildBufferObjects=(e,n)=>{const r=t.currentInput;if(null===r)return;t.renderable.mapScalars(r,1);const o=t.renderable.getColorMapColors(),a=t.primitives[t.primTypes.Tris].getCABO(),i=r.getPointData(),s=r.getPoints(),l=s.getNumberOfPoints(),c=s.getData();let u=3;u+=4;let d=null,p=0;a.setColorBOStride(4),a.getColorBO()||a.setColorBO(Yu.newInstance()),a.getColorBO().setOpenGLRenderWindow(t._openGLRenderWindow),o&&(p=o.getNumberOfComponents(),a.setColorOffset(4),d=o.getData(),a.setColorBOStride(8)),a.setColorComponents(p),a.setStride(28);const f=new Float32Array(7*l*12),g=new Uint8Array(12*l*(d?8:4));let m=null,h=null;null!=t.renderable.getScaleArray()&&i.hasArray(t.renderable.getScaleArray())&&(m=i.getArray(t.renderable.getScaleArray()).getData()),null!=t.renderable.getOrientationArray()&&i.hasArray(t.renderable.getOrientationArray())?h=i.getArray(t.renderable.getOrientationArray()).getData():wm(["Error setting orientationArray.\n","You have to specify the stick orientation"]);const v=[0,1,3,0,3,2,2,3,5,2,5,4];let y=0,b=0,x=0,T=0;for(let e=0;e=4?255:0,g[T++]=v[t]>=2?255:0,g[T++]=255,b=e*p,d&&(g[T++]=d[b],g[T++]=d[b+1],g[T++]=d[b+2],g[T++]=d[b+3])}a.setElementCount(x/7),a.upload(f,Hu.ARRAY_BUFFER),a.getColorBO().upload(g,Hu.ARRAY_BUFFER),t.VBOBuildTime.modified()}}const Mm={};const Rm=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Mm,n),op.extend(e,t,n),Om(e,t)}),"vtkOpenGLStickMapper");rn("vtkStickMapper",Rm);const Vm=Object.create(null);function Em(e,t){Vm[e]=t}function Dm(e,t){t.classHierarchy.push("vtkWebGPUViewNodeFactory")}const Lm={};function Bm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Lm,n),t.overrides=Vm,tn.extend(e,t,n),Dm(0,t)}var Nm={newInstance:jt.newInstance(Bm,"vtkWebGPUViewNodeFactory"),extend:Bm};function km(e,t){t.classHierarchy.push("vtkWebGPUCamera"),e.getProjectionMatrix=(e,n,r,o)=>{if(g(e),t.renderable.getParallelProjection()){const a=t.renderable.getParallelScale(),i=a*n,s=a,l=(o[0]-1)*i,c=(o[0]+1)*i,u=(o[1]-1)*s,d=(o[1]+1)*s,p=1/(c-l),f=1/(d-u);e[0]=2*p,e[5]=2*f,e[10]=1/(r[1]-r[0]),e[12]=(c+l)*p,e[13]=(d+u)*f,e[14]=r[1]/(r[1]-r[0])}else{const a=Math.tan(Math.PI*t.renderable.getViewAngle()/360);let i,s;!0===t.renderable.getUseHorizontalViewAngle()?(i=r[0]*a,s=r[0]*a/n):(i=r[0]*a*n,s=r[0]*a);const l=(o[0]-1)*i,c=(o[0]+1)*i,u=(o[1]-1)*s,d=(o[1]+1)*s;e[0]=2*r[0]/(c-l),e[5]=2*r[0]/(d-u),e[12]=(l+c)/(c-l),e[13]=(u+d)/(d-u),e[10]=0,e[14]=r[0],e[11]=-1,e[15]=0}},e.convertToOpenGLDepth=e=>{if(t.renderable.getParallelProjection())return 1-e;const n=t.renderable.getClippingRangeByReference();let r=-n[0]/e;return r=(n[0]+n[1])/(n[1]-n[0])+2*n[0]*n[1]/(r*(n[1]-n[0])),.5*r+.5},e.getKeyMatrices=n=>{const r=n.getRenderable(),o=n.getParent();if(Math.max(o.getMTime(),e.getMTime(),r.getMTime(),t.renderable.getMTime(),n.getStabilizedTime())>t.keyMatrixTime.getMTime()){const r=t.renderable.getViewMatrix();d(t.keyMatrices.normalMatrix,r),t.keyMatrices.normalMatrix[3]=0,t.keyMatrices.normalMatrix[7]=0,t.keyMatrices.normalMatrix[11]=0,h(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix),m(t.keyMatrices.wcvc,r);const o=n.getStabilizedCenterByReference();x(t.keyMatrices.scvc,t.keyMatrices.wcvc,o);const a=n.getAspectRatio(),i=t.renderable.getClippingRangeByReference();e.getProjectionMatrix(t.keyMatrices.vcpc,a,i,t.renderable.getWindowCenterByReference()),b(t.keyMatrices.scpc,t.keyMatrices.vcpc,t.keyMatrices.scvc),h(t.keyMatrices.pcsc,t.keyMatrices.scpc),t.keyMatrixTime.modified()}return t.keyMatrices}}const Fm={keyMatrixTime:null,keyMatrices:null};const _m=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fm,n),Zt.extend(e,t,n),t.keyMatrixTime={},jt.obj(t.keyMatrixTime),t.keyMatrices={normalMatrix:new Float64Array(16),vcpc:new Float64Array(16),pcsc:new Float64Array(16),wcvc:new Float64Array(16),scpc:new Float64Array(16),scvc:new Float64Array(16)},jt.setGet(e,t,["keyMatrixTime"]),km(e,t)}));function Gm(e,t){t.classHierarchy.push("vtkWebGPUBindGroup"),e.setBindables=n=>{if(t.bindables.length===n.length){let e=!0;for(let r=0;r{const n=[];for(let e=0;e{let r=e.getMTime();for(let e=0;er?n:r}if(r{const n=[],r=e.getBindGroupLayoutCount(t.label);for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Um,n),jt.obj(e,t),t.bindables=[],t.bindGroupTime={},jt.obj(t.bindGroupTime,{mtime:0}),jt.get(e,t,["bindGroupTime","handle","sizeInBytes","usage"]),jt.setGet(e,t,["label","device","arrayInformation"]),Gm(e,t)}var 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Ah(e,t){t.classHierarchy.push("vtkWebGPUFullScreenQuad"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position"),r.addOutput("vec4","vertexVC");let o=r.getCode();o=Zm.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4(vertexBC, 1.0);","output.vertexVC = vec4(vertexBC, 1);"]).result,r.setCode(o)},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.updateBuffers=()=>{const e=t.device.getBufferManager().getFullScreenQuadBuffer();t.vertexInput.addBuffer(e,["vertexBC"]),t.numberOfVertices=6}}const Ih={};function wh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ih,n),Ph.extend(e,t,n),Ah(e,t)}var 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0!==arguments[2]?arguments[2]:{};Object.assign(t,nv,n),yt(e,t),Pt(e,t,["device"]),tv(e,t)}var ov={newInstance:Et(rv),extend:rv,...Mh};const{BufferUsage:av}=ov,{vtkErrorMacro:iv}=jt;function sv(e,t){t.classHierarchy.push("vtkWebGPUStorageBuffer"),e.addEntry=(e,n)=>{if(t._bufferEntryNames.has(e))return void iv(`entry named ${e} already exists`);t._bufferEntryNames.set(e,t.bufferEntries.length);const r=ph(n);t.bufferEntries.push({name:e,type:n,sizeInBytes:r,offset:t.sizeInBytes,nativeType:fh(n)}),t.sizeInBytes+=r},e.send=e=>{if(!t._buffer){const n={nativeArray:t.Float32Array,usage:av.Storage,label:t.label};return t._buffer=e.getBufferManager().getBuffer(n),t.bindGroupTime.modified(),void t._sendTime.modified()}e.getHandle().queue.writeBuffer(t._buffer.getHandle(),0,t.arrayBuffer,0,t.sizeInBytes*t.numberOfInstances),t._sendTime.modified()},e.createView=e=>{e in t==0&&(t.arrayBuffer||(t.arrayBuffer=new 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i=t[a.nativeType],s=r.length/t.numberOfInstances;for(let e=0;e{const o=t._bufferEntryNames.get(n);if(void 0===o)return void iv(`entry named ${n} not found in UBO`);const a=t.bufferEntries[o];e.createView(a.nativeType);const i=t[a.nativeType];for(let e=0;et._sendTime.getMTime(),e.getShaderCode=(e,n)=>{const r=[`struct ${t.label}StructEntry\n{`];for(let e=0;e,\n};\n@binding(${e}) @group(${n}) var ${t.label}: ${t.label}Struct;\n`),r.join("\n")},e.getBindGroupEntry=()=>({resource:{buffer:t._buffer.getHandle()}}),e.clearData=()=>{t.numberOfInstances=0,t.sizeInBytes=0,t.bufferEntries=[],t._bufferEntryNames=new Map,t._buffer=null,delete t.arrayBuffer,delete t.Float32Array}}const lv={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,numberOfInstances:1};function cv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,lv,n),jt.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t._sendTime={},jt.obj(t._sendTime,{mtime:0}),t.bindGroupTime={},jt.obj(t.bindGroupTime,{mtime:0}),t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"read-only-storage"}},jt.get(e,t,["bindGroupTime"]),jt.setGet(e,t,["device","bindGroupLayoutEntry","label","numberOfInstances","sizeInBytes"]),sv(e,t)}var uv={newInstance:jt.newInstance(cv,"vtkWebGPUStorageBuffer"),extend:cv};const{BufferUsage:dv}=ov,{vtkErrorMacro:pv}=jt;function fv(e,t){t.classHierarchy.push("vtkWebGPUUniformBuffer"),e.addEntry=(e,n)=>{t._bufferEntryNames.has(e)?pv(`entry named ${e} already exists`):(t.sortDirty=!0,t._bufferEntryNames.set(e,t.bufferEntries.length),t.bufferEntries.push({name:e,type:n,sizeInBytes:ph(n),offset:-1,nativeType:fh(n),packed:!1}))},e.sortBufferEntries=()=>{if(!t.sortDirty)return;let e=0;const n=[];let r=4;for(let e=0;e4&&(o.packed=!0,o.offset=e,n.push(o),e+=o.sizeInBytes)}for(let r=0;r{if(!t.UBO){const 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e=0;e({resource:{buffer:t.UBO.getHandle()}}),e.getSendTime=()=>t.sendTime.getMTime(),e.getShaderCode=(n,r)=>{e.sortBufferEntries();const o=[`struct ${t.label}Struct\n{`];for(let e=0;e ${t.label}: ${t.label}Struct;`),o.join("\n")}}const gv={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,bindGroupLayoutEntry:null,bindGroupEntry:null};function mv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,gv,n),jt.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"uniform"}},t.sendTime={},jt.obj(t.sendTime,{mtime:0}),t.bindGroupTime={},jt.obj(t.bindGroupTime,{mtime:0}),t.sendDirty=!0,t.sortDirty=!0,jt.get(e,t,["binding","bindGroupTime"]),jt.setGet(e,t,["bindGroupLayoutEntry","device","label","sizeInBytes"]),fv(e,t)}var hv={newInstance:jt.newInstance(mv,"vtkWebGPUUniformBuffer"),extend:mv};const{vtkDebugMacro:vv}=Kt,yv="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = mapperUBO.BackgroundColor;\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n",bv=new Float64Array(16),xv=new Float64Array(16);function Tv(e,t){t.classHierarchy.push("vtkWebGPURenderer"),e.buildPass=n=>{if(n){if(!t.renderable)return;t.camera=t.renderable.getActiveCamera(),e.updateLights(),e.prepareNodes(),e.addMissingNode(t.camera),e.addMissingNodes(t.renderable.getViewPropsWithNestedProps()),e.removeUnusedNodes(),t.webgpuCamera=e.getViewNodeFor(t.camera),e.updateStabilizedMatrix()}},e.updateStabilizedMatrix=()=>{const e=t.camera.getClippingRange(),n=t.camera.getPositionByReference(),r=[],o=[];On(o,t.camera.getDirectionOfProjectionByReference(),.5*(e[0]+e[1])),In(r,n,o),kn(o,r,t.stabilizedCenter),Fn(o)/(e[1]-e[0])>t.recenterThreshold&&(t.stabilizedCenter=r,t.stabilizedTime.modified())},e.updateLights=()=>{let e=0;const n=t.renderable.getLightsByReference();for(let t=0;t0&&e++;return e||(vv("No lights are on, creating one."),t.renderable.createLight()),e},e.updateUBO=()=>{const n=t.UBO.getSendTime();if(t._parent.getMTime()>n||e.getMTime()>n||t.camera.getMTime()>n||t.renderable.getMTime()>n){const n=t.webgpuCamera.getKeyMatrices(e);t.UBO.setArray("WCVCMatrix",n.wcvc),t.UBO.setArray("SCPCMatrix",n.scpc),t.UBO.setArray("PCSCMatrix",n.pcsc),t.UBO.setArray("SCVCMatrix",n.scvc),t.UBO.setArray("VCPCMatrix",n.vcpc),t.UBO.setArray("WCVCNormals",n.normalMatrix),t.UBO.setValue("LightCount",t.renderable.getLights().length),t.UBO.setValue("MaxEnvironmentMipLevel",t.renderable.getEnvironmentTexture()?.getMipLevel()),t.UBO.setValue("BackgroundDiffuseStrength",t.renderable.getEnvironmentTextureDiffuseStrength()),t.UBO.setValue("BackgroundSpecularStrength",t.renderable.getEnvironmentTextureSpecularStrength());const r=e.getYInvertedTiledSizeAndOrigin();t.UBO.setArray("viewportSize",[r.usize,r.vsize]),t.UBO.setValue("cameraParallel",t.camera.getParallelProjection());const o=t._parent.getDevice();t.UBO.sendIfNeeded(o)}},e.updateSSBO=()=>{const n=t.renderable.getLights(),r=t.webgpuCamera.getKeyMatrices(e);let o=`${t.renderable.getMTime()}`;for(let e=0;e=90?0:2:1,s[l+1]=Math.cos(Mo(n[t].getConeAngle())),s[l+2]=Math.cos(Mo(n[t].getConeAngle()+n[t].getConeFalloff())),s[l+3]=0}t.SSBO.clearData(),t.SSBO.setNumberOfInstances(n.length),t.SSBO.addEntry("LightPos","vec4"),t.SSBO.addEntry("LightDir","vec4"),t.SSBO.addEntry("LightColor","vec4"),t.SSBO.addEntry("LightData","vec4"),t.SSBO.setAllInstancesFromArray("LightPos",e),t.SSBO.setAllInstancesFromArray("LightDir",o),t.SSBO.setAllInstancesFromArray("LightColor",i),t.SSBO.setAllInstancesFromArray("LightData",s);const l=t._parent.getDevice();t.SSBO.send(l)}var a;t.lightTimeString=o},e.scissorAndViewport=t=>{const n=e.getYInvertedTiledSizeAndOrigin();t.getHandle().setViewport(n.lowerLeftU,n.lowerLeftV,n.usize,n.vsize,0,1),t.getHandle().setScissorRect(n.lowerLeftU,n.lowerLeftV,n.usize,n.vsize)},e.bindUBO=e=>{e.activateBindGroup(t.bindGroup)},e.opaquePass=n=>{n?(t.renderEncoder.begin(t._parent.getCommandEncoder()),e.updateUBO(),e.updateSSBO()):(e.scissorAndViewport(t.renderEncoder),e.clear(),t.renderEncoder.end())},e.clear=()=>{if(t.renderable.getTransparent()||t.suppressClear)return;const n=t._parent.getDevice();if(!t.clearFSQ){t.clearFSQ=Oh.newInstance(),t.clearFSQ.setDevice(n),t.clearFSQ.setPipelineHash("clearfsq"),t.clearFSQ.setFragmentShaderTemplate(yv);const e=hv.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e),t.backgroundTex=t.renderable.getEnvironmentTexture()}if("clearfsqwithtexture"!==t.clearFSQ.getPipelineHash()&&t.renderable.getUseEnvironmentTextureAsBackground()&&t.backgroundTex?.getImageLoaded()){t.clearFSQ.setFragmentShaderTemplate("\nfn vecToRectCoord(dir: vec3) -> vec2 {\n var tau: f32 = 6.28318530718;\n var pi: f32 = 3.14159265359;\n var out: vec2 = vec2(0.0);\n\n out.x = atan2(dir.z, dir.x) / tau;\n out.x += 0.5;\n\n var phix: f32 = length(vec2(dir.x, dir.z));\n out.y = atan2(dir.y, phix) / pi + 0.5;\n\n return out;\n}\n\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var tcoord: vec4 = vec4(input.vertexVC.xy, -1, 1);\n var V: vec4 = normalize(mapperUBO.FSQMatrix * 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if("clearfsqwithtexture"===t.clearFSQ.getPipelineHash()&&!t.renderable.getUseEnvironmentTextureAsBackground()){t.clearFSQ=Oh.newInstance(),t.clearFSQ.setDevice(n),t.clearFSQ.setPipelineHash("clearfsq"),t.clearFSQ.setFragmentShaderTemplate(yv);const e=hv.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e)}const r=t.webgpuCamera.getKeyMatrices(e),o=t.renderable.getBackgroundByReference();t.clearFSQ.getUBO().setArray("BackgroundColor",o),m(xv,r.normalMatrix),oe(bv,r.scvc,r.pcsc),oe(bv,xv,bv),t.clearFSQ.getUBO().setArray("FSQMatrix",bv),t.clearFSQ.getUBO().sendIfNeeded(n),t.clearFSQ.prepareAndDraw(t.renderEncoder)},e.translucentPass=n=>{n?t.renderEncoder.begin(t._parent.getCommandEncoder()):(e.scissorAndViewport(t.renderEncoder),t.renderEncoder.end())},e.volumeDepthRangePass=n=>{n?t.renderEncoder.begin(t._parent.getCommandEncoder()):(e.scissorAndViewport(t.renderEncoder),t.renderEncoder.end())},e.getAspectRatio=()=>{const e=t._parent.getSizeByReference(),n=t.renderable.getViewportByReference();return e[0]*(n[2]-n[0])/((n[3]-n[1])*e[1])},e.convertToOpenGLDepth=e=>t.webgpuCamera.convertToOpenGLDepth(e),e.getYInvertedTiledSizeAndOrigin=()=>{const n=e.getTiledSizeAndOrigin(),r=t._parent.getSizeByReference();return n.lowerLeftV=r[1]-n.vsize-n.lowerLeftV,n},e.getTiledSizeAndOrigin=()=>{const e=t.renderable.getViewportByReference(),n=[0,0,1,1],r=e[0]-n[0],o=e[1]-n[1],a=t._parent.normalizedDisplayToDisplay(r,o),i=Math.round(a[0]),s=Math.round(a[1]),l=e[2]-n[0],c=e[3]-n[1],u=t._parent.normalizedDisplayToDisplay(l,c);let d=Math.round(u[0])-i,p=Math.round(u[1])-s;return d<0&&(d=0),p<0&&(p=0),{usize:d,vsize:p,lowerLeftU:i,lowerLeftV:s}},e.getPropFromID=e=>{for(let n=0;nt.stabilizedTime.getMTime(),e.releaseGraphicsResources=()=>{null!==t.selector&&t.selector.releaseGraphicsResources()}}const Cv={bindGroup:null,selector:null,renderEncoder:null,recenterThreshold:20,suppressClear:!1,stabilizedCenter:[0,0,0]};const Sv=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Cv,n),Zt.extend(e,t,n),t.UBO=hv.newInstance({label:"rendererUBO"}),t.UBO.addEntry("WCVCMatrix","mat4x4"),t.UBO.addEntry("SCPCMatrix","mat4x4"),t.UBO.addEntry("PCSCMatrix","mat4x4"),t.UBO.addEntry("SCVCMatrix","mat4x4"),t.UBO.addEntry("VCPCMatrix","mat4x4"),t.UBO.addEntry("WCVCNormals","mat4x4"),t.UBO.addEntry("viewportSize","vec2"),t.UBO.addEntry("LightCount","i32"),t.UBO.addEntry("MaxEnvironmentMipLevel","f32"),t.UBO.addEntry("BackgroundDiffuseStrength","f32"),t.UBO.addEntry("BackgroundSpecularStrength","f32"),t.UBO.addEntry("cameraParallel","u32"),t.SSBO=uv.newInstance({label:"rendererLightSSBO"}),t.lightTimeString="",t.bindGroup=Wm.newInstance({label:"rendererBG"}),t.bindGroup.setBindables([t.UBO,t.SSBO]),t.tmpMat4=g(new Float64Array(16)),t.stabilizedTime={},yt(t.stabilizedTime,{mtime:0}),xt(e,t,["bindGroup","stabilizedTime"]),At(e,t,["stabilizedCenter"]),Pt(e,t,["renderEncoder","selector","suppressClear","UBO"]),Tv(e,t)}),"vtkWebGPURenderer");Em("vtkRenderer",Sv);const{CoordinateSystem:Pv}=Zi;function Av(e,t){t.classHierarchy.push("vtkWebGPUActor"),e.buildPass=n=>{n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes())},e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t.WebGPURenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children[0]&&t.children[0].traverse(n),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t.WebGPURenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children[0]&&t.children[0].traverse(n),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.getBufferShift=n=>(e.getKeyMatrices(n),t.bufferShift),e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix();t.bufferShift[0]=n[3],t.bufferShift[1]=n[7],t.bufferShift[2]=n[11];const r=e.getStabilizedCenterByReference();t.renderable.getCoordinateSystem()===Pv.WORLD&&(t.bufferShift[0]-=r[0],t.bufferShift[1]-=r[1],t.bufferShift[2]-=r[2]),m(t.keyMatrices.bcwc,n),t.renderable.getIsIdentity()?g(t.keyMatrices.normalMatrix):(d(t.keyMatrices.normalMatrix,t.keyMatrices.bcwc),t.keyMatrices.normalMatrix[3]=0,t.keyMatrices.normalMatrix[7]=0,t.keyMatrices.normalMatrix[11]=0,h(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix),m(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix)),x(t.keyMatrices.bcwc,t.keyMatrices.bcwc,[-t.bufferShift[0],-t.bufferShift[1],-t.bufferShift[2]]),t.renderable.getCoordinateSystem()===Pv.WORLD?x(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]):d(t.keyMatrices.bcsc,t.keyMatrices.bcwc),t.keyMatricesTime.modified()}return t.keyMatrices}}const Iv={keyMatricesTime:null,keyMatrices:null,propID:void 0,bufferShift:void 0};const wv=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Iv,n),Zt.extend(e,t,n),t.keyMatricesTime={},jt.obj(t.keyMatricesTime,{mtime:0}),t.keyMatrices={normalMatrix:new Float64Array(16),bcwc:new Float64Array(16),bcsc:new Float64Array(16)},jt.get(e,t,["propID","keyMatricesTime"]),t.bufferShift=[0,0,0,0],Av(e,t)}));Em("vtkActor",wv);const{CoordinateSystem:Ov}=Zi;function Mv(e,t){t.classHierarchy.push("vtkWebGPUActor2D"),e.buildPass=n=>{n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes())},e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t.WebGPURenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children[0]&&t.children[0].traverse(n),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t.WebGPURenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children[0]&&t.children[0].traverse(n),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.getBufferShift=n=>(e.getKeyMatrices(n),t.bufferShift),e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.bufferShift[0]=0,t.bufferShift[1]=0,t.bufferShift[2]=0;const n=e.getStabilizedCenterByReference();t.renderable.getCoordinateSystem()===Ov.WORLD&&(t.bufferShift[0]-=n[0],t.bufferShift[1]-=n[1],t.bufferShift[2]-=n[2]),g(t.keyMatrices.bcwc),g(t.keyMatrices.normalMatrix),x(t.keyMatrices.bcwc,t.keyMatrices.bcwc,[-t.bufferShift[0],-t.bufferShift[1],-t.bufferShift[2]]),t.renderable.getCoordinateSystem()===Ov.WORLD?x(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-n[0],-n[1],-n[2]]):d(t.keyMatrices.bcsc,t.keyMatrices.bcwc),t.keyMatricesTime.modified()}return t.keyMatrices}}const Rv={keyMatricesTime:null,keyMatrices:null,propID:void 0,bufferShift:void 0};const Vv=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Rv,n),Zt.extend(e,t,n),t.keyMatricesTime={},jt.obj(t.keyMatricesTime,{mtime:0}),t.keyMatrices={normalMatrix:new Float64Array(16),bcwc:new Float64Array(16),bcsc:new Float64Array(16)},jt.get(e,t,["propID","keyMatricesTime"]),t.bufferShift=[0,0,0,0],Mv(e,t)}));function Ev(e,t){t.classHierarchy.push("vtkWebGPUCubeAxesActor"),e.buildPass=n=>{n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent(),t.CubeAxesActorHelper.getRenderable()||t.CubeAxesActorHelper.setRenderable(t.renderable),e.prepareNodes(),e.addMissingNode(t.CubeAxesActorHelper.getTmActor()),e.addMissingNode(t.renderable.getGridActor()),e.removeUnusedNodes())},e.opaquePass=(e,n)=>{if(e){const e=t.WebGPURenderer?t.WebGPURenderer.getRenderable().getActiveCamera():null,n=t.WebGPURenderer.getTiledSizeAndOrigin();t.CubeAxesActorHelper.updateAPISpecificData([n.usize,n.vsize],e,t.WebGPURenderWindow.getRenderable())}}}Em("vtkActor2D",Vv);const Dv={};const Lv=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Dv,n),Zt.extend(e,t,n),t.CubeAxesActorHelper=Gu.newCubeAxesActorHelper(),Ev(e,t)}),"vtkWebGPUCubeAxesActor");Em("vtkCubeAxesActor",Lv);const{DisplayLocation:Bv}=fp;function Nv(e,t){t.classHierarchy.push("vtkProperty2D"),e.setDisplayLocationToBackground=()=>e.setDisplayLocation(Bv.BACKGROUND),e.setDisplayLocationToForeground=()=>e.setDisplayLocation(Bv.FOREGROUND),e.setRepresentationToWireframe=()=>e.setRepresentation(rs.WIREFRAME),e.setRepresentationToSurface=()=>e.setRepresentation(rs.SURFACE),e.setRepresentationToPoints=()=>e.setRepresentation(rs.POINTS),e.getRepresentationAsString=()=>jt.enumToString(rs,t.representation)}const kv={color:[1,1,1],opacity:1,pointSize:1,lineWidth:1,representation:rs.SURFACE,displayLocation:Bv.FOREGROUND};function Fv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,kv,n),jt.obj(e,t),jt.setGet(e,t,["opacity","lineWidth","pointSize","displayLocation","representation"]),jt.setGetArray(e,t,["color"],3),Nv(e,t)}var _v={newInstance:jt.newInstance(Fv,"vtkProperty2D"),extend:Fv,...fp};const{BufferUsage:Gv,PrimitiveTypes:Uv}=ov,{Representation:zv}=ds,{ScalarMode:Wv}=oc,{CoordinateSystem:Hv}=Zi,{DisplayLocation:jv}=_v,Kv="\n//VTK::Renderer::Dec\n\n//VTK::Color::Dec\n\n//VTK::Normal::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Select::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::IOStructs::Dec\n\n@vertex\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output : vertexOutput;\n\n var vertex: vec4 = vertexBC;\n\n //VTK::Color::Impl\n\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Select::Impl\n\n //VTK::Position::Impl\n\n return output;\n}\n",$v='\nstruct PBRData {\n diffuse: vec3,\n specular: vec3,\n}\n\n// Dot product with the max already in it\nfn mdot(a: vec3, b: vec3) -> f32 {\n return max(0.0, dot(a, b));\n}\n// Dot product with a max in it that does not allow for negative values\n// Physically based rendering is accurate as long as normals are accurate,\n// however this is pretty often not the case. In order to prevent negative\n// values from ruining light calculations and creating zones of zero light,\n// this remapping is used, which smoothly clamps the dot product between\n// zero and one while still maintaining a good amount of accuracy.\nfn cdot(a: vec3, b: vec3) -> f32 {\n var d: f32 = max(0.0, dot(a, b));\n d = pow((d + 1) / 2.0, 2.6);\n return d;\n}\n\n// Lambertian diffuse model\nfn lambertDiffuse(base: vec3, N: vec3, L: vec3) -> vec3 {\n var pi: f32 = 3.14159265359; \n var NdotL: f32 = mdot(N, L);\n NdotL = pow(NdotL, 1.5);\n return (base/pi)*NdotL;\n}\n\n// Yasuhiro Fujii improvement on the Oren-Nayar model\n// https://mimosa-pudica.net/improved-oren-nayar.html\n// p is surface color, o is roughness\nfn fujiiOrenNayar(p: vec3, o: f32, N: vec3, L: vec3, V: vec3) -> vec3 {\n var invpi: f32 = 0.31830988618; // 1/pi\n\n var o2 = o*o;\n var NdotL: f32 = mdot(N, L);\n NdotL = pow(NdotL, 1.5); // Less physically accurate, but hides the "seams" between lights better\n\n var NdotV: f32 = mdot(N, V);\n var LdotV: f32 = mdot(L, V);\n\n var s: f32 = LdotV - NdotL*NdotV;\n var t: f32 = mix(1, max(NdotL, NdotV), step(0, s)); // Mix with step is the equivalent of an if statement\n var A: vec3 = 0.5*(o2 / (o2 + 0.33)) + 0.17*p*(o2 / (o2 + 0.13));\n A = invpi*(1 - A);\n var B: f32 = 0.45*(o2 / (o2 + 0.09));\n B = invpi*B;\n\n return p*NdotL*(A + B*(s/t));\n}\n\n// Fresnel portion of BRDF (IOR only, simplified)\nfn schlickFresnelIOR(V: vec3, N: vec3, ior: f32, k: f32) -> f32 {\n var NdotV: f32 = mdot(V, N);\n var F0: f32 = (pow((ior - 1.0), 2) + k*k) / (pow((ior + 1.0), 2) + k*k); // This takes into account the roughness, which the other one does not\n return F0 + (1 - F0) * pow((1-NdotV), 5); \n}\n\n// Fresnel portion of BRDF (Color ior, better)\nfn schlickFresnelRGB(V: vec3, N: vec3, F0: vec3) -> vec3 {\n var NdotV: f32 = mdot(V, N);\n return F0 + (1 - F0) * pow((1-NdotV), 5); \n}\n\n// Normal portion of BRDF\n// https://learnopengl.com/PBR/Theory\n// Trowbridge-Reitz GGX functions: normal, halfway, roughness^2\nfn trGGX(N: vec3, H: vec3, a: f32) -> f32 {\n var pi: f32 = 3.14159265359; \n\n var a2: f32 = a*a;\n var NdotH = mdot(N, H);\n var NdotH2 = NdotH*NdotH;\n \n var denom: f32 = NdotH2 * (a2 - 1.0) + 1.0;\n\n return a2 / max((pi*denom*denom), 0.000001);\n}\n\n// A VERY bad approximation of anisotropy. Real anisotropic calculations require tangent and bitangent\nfn anisotrophicTrGGX(N: vec3, H: vec3, O: vec3, s: f32, a: f32) -> f32 {\n var Op: vec3 = (rendererUBO.WCVCNormals * vec4(normalize(O) * s, 0.)).xyz;\n\n var ggx1: f32 = trGGX(N + Op*s, H, a);\n var ggx2: f32 = trGGX(N - Op*s, H, a);\n return (0.5 * ggx1 + 0.5 * ggx2);\n}\n\n// Geometry portion of BRDF\nfn schlickGGX(N: vec3, X: vec3, k: f32) -> f32 {\n var NdotX = cdot(N, X);\n return NdotX / max(0.000001, (NdotX*(1-k) + k));\n}\n\nfn smithSurfaceRoughness(N: vec3, V: vec3, L: vec3, k: f32) -> f32 {\n var ggx1: f32 = min(1, schlickGGX(N, V, k));\n var ggx2: f32 = min(1, schlickGGX(N, L, k));\n return ggx1*ggx2;\n}\n\n// BRDF Combination\nfn cookTorrance(D: f32, F: f32, G: f32, N: vec3, V: vec3, L: vec3) -> f32 {\n var num: f32 = D*F*G;\n var denom: f32 = 4*cdot(V, N)*cdot(L, N);\n\n return num / max(denom, 0.000001);\n}\n\n// Different lighting calculations for different light sources\nfn calcDirectionalLight(N: vec3, V: vec3, ior: f32, roughness: f32, metallic: f32, direction: vec3, color: vec3, base: vec3) -> PBRData { \n var L: vec3 = normalize(direction); // Light Vector\n var H: vec3 = normalize(L + V); // Halfway Vector\n\n var alpha = roughness*roughness;\n var k: f32 = alpha*alpha / 2;\n\n var D: f32 = trGGX(N, H, alpha); // Distribution\n // var F: f32 = schlickFresnelIOR(V, N, ior, k); // Fresnel\n var G: f32 = smithSurfaceRoughness(N, V, L, k); // Geometry\n\n var brdf: f32 = cookTorrance(D, 1, G, N, V, L); // Fresnel term is replaced with 1 because it is added later\n var incoming: vec3 = color;\n var angle: f32 = mdot(L, N);\n angle = pow(angle, 1.5);\n\n var specular: vec3 = brdf*incoming*angle;\n // Oren-Nayar gives a clay-like effect when fully rough which some people may not want, so it might be better to give a separate\n // control property for the diffuse vs specular roughness\n var diffuse: vec3 = incoming*fujiiOrenNayar(base, roughness, N, L, V); \n // Stores the specular and diffuse separately to allow for finer post processing\n var out = PBRData(diffuse, specular);\n \n return out; // Returns angle along with color of light so the final color can be multiplied by angle as well (creates black areas)\n}\n\n// TODO: find some way to reduce the number of arguments going in here\nfn calcPointLight(N: vec3, V: vec3, fragPos: vec3, ior: f32, roughness: f32, metallic: f32, position: vec3, color: vec3, base: vec3) -> PBRData {\n var L: vec3 = normalize(position - fragPos); // Light Vector\n var H: vec3 = normalize(L + V); // Halfway Vector\n var dist = distance(position, fragPos);\n\n var alpha = roughness*roughness;\n var k: f32 = alpha*alpha / 2; // could also be pow(alpha + 1.0, 2) / 8\n\n var D: f32 = trGGX(N, H, alpha); // Distribution\n // var F: f32 = schlickFresnelIOR(V, N, ior, k); // Fresnel\n var G: f32 = smithSurfaceRoughness(N, V, L, k); // Geometry\n\n var brdf: f32 = cookTorrance(D, 1, G, N, V, L); \n var incoming: vec3 = color * (1. / (dist*dist));\n var angle: f32 = mdot(L, N);\n angle = pow(angle, 1.5); // Smoothing factor makes it less accurate, but reduces ugly "seams" bewteen light sources\n\n var specular: vec3 = brdf*incoming*angle;\n var diffuse: vec3 = incoming*fujiiOrenNayar(base, roughness, N, L, V);\n\n // Stores the specular and diffuse separately to allow for finer post processing\n // Could also be done (propably more properly) with a struct\n var out = PBRData(diffuse, specular);\n \n return out; // Returns angle along with color of light so the final color can be multiplied by angle as well (creates black areas)\n}\n\n// For a reason unknown to me, spheres dont seem to behave propperly with head-on spot lights\nfn calcSpotLight(N: vec3, V: vec3, fragPos: vec3, ior: f32, roughness: f32, metallic: f32, position: vec3, direction: vec3, cones: vec2, color: vec3, base: vec3) -> PBRData {\n var L: vec3 = normalize(position - fragPos);\n var H: vec3 = normalize(L + V); // Halfway Vector\n var dist = distance(position, fragPos);\n\n var alpha = roughness*roughness;\n var k: f32 = alpha*alpha / 2; // could also be pow(alpha + 1.0, 2) / 8\n\n var D: f32 = trGGX(N, H, alpha); // Distribution\n // var F: f32 = schlickFresnelIOR(V, N, ior, k); // Fresnel\n var G: f32 = smithSurfaceRoughness(N, V, L, k); // Geometry\n\n var brdf: f32 = cookTorrance(D, 1, G, N, V, L); \n \n // Cones.x is the inner phi and cones.y is the outer phi\n var theta: f32 = mdot(normalize(direction), L);\n var epsilon: f32 = cones.x - cones.y;\n var intensity: f32 = (theta - cones.y) / epsilon;\n intensity = clamp(intensity, 0.0, 1.0);\n intensity /= dist*dist;\n\n var incoming: vec3 = color * intensity;\n\n var angle: f32 = mdot(L, N);\n angle = pow(angle, 1.5); // Smoothing factor makes it less accurate, but reduces ugly "seams" bewteen light sources\n\n var specular: vec3 = brdf*incoming*angle;\n var diffuse: vec3 = incoming*fujiiOrenNayar(base, roughness, N, L, V);\n\n // Stores the specular and diffuse separately to allow for finer post processing\n // Could also be done (propably more properly) with a struct\n var out = PBRData(diffuse, specular);\n \n return out; // Returns angle along with color of light so the final color can be multiplied by angle as well (creates black areas)\n}\n\n// Environment mapping stuff\n// Takes in a vector and converts it to an equivalent coordinate in a rectilinear texture. Should be replaced with cubemaps at some point\nfn vecToRectCoord(dir: vec3) -> vec2 {\n var tau: f32 = 6.28318530718;\n var pi: f32 = 3.14159265359;\n var out: vec2 = vec2(0.0);\n\n out.x = atan2(dir.z, dir.x) / tau;\n out.x += 0.5;\n\n var phix: f32 = length(vec2(dir.x, dir.z));\n out.y = atan2(dir.y, phix) / pi + 0.5;\n\n return out;\n}\n\n//VTK::Renderer::Dec\n\n//VTK::Color::Dec\n\n//VTK::TCoord::Dec\n\n// optional surface normal declaration\n//VTK::Normal::Dec\n\n//VTK::Select::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output : fragmentOutput;\n\n // Temporary ambient, diffuse, and opacity\n var ambientColor: vec4 = mapperUBO.AmbientColor;\n var diffuseColor: vec4 = mapperUBO.DiffuseColor;\n var opacity: f32 = mapperUBO.Opacity;\n\n // This should be declared somewhere else\n var _diffuseMap: vec4 = vec4(1);\n var _roughnessMap: vec4 = vec4(1);\n var _metallicMap: vec4 = vec4(1);\n var _normalMap: vec4 = vec4(0, 0, 1, 0); // normal map was setting off the normal vector detection in fragment\n var _ambientOcclusionMap: vec4 = vec4(1);\n var _emissionMap: vec4 = vec4(0);\n\n //VTK::Color::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Normal::Impl\n\n var computedColor: vec4 = vec4(diffuseColor.rgb, 1.0);\n\n //VTK::Light::Impl\n\n //VTK::Select::Impl\n\n if (computedColor.a == 0.0) { discard; };\n\n //VTK::Position::Impl\n\n //VTK::RenderEncoder::Impl\n\n return output;\n}\n';function qv(e){return e.indexOf("edge")>=0}function Xv(e,t){t.classHierarchy.push("vtkWebGPUCellArrayMapper"),e.buildPass=n=>{n&&(t.is2D?(t.WebGPUActor=e.getFirstAncestorOfType("vtkWebGPUActor2D"),t.forceZValue=!0):(t.WebGPUActor=e.getFirstAncestorOfType("vtkWebGPUActor"),t.forceZValue=!1),t.coordinateSystem=t.WebGPUActor.getRenderable().getCoordinateSystem(),t.useRendererMatrix=t.coordinateSystem!==Hv.DISPLAY,t.WebGPURenderer=t.WebGPUActor.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent(),t.device=t.WebGPURenderWindow.getDevice())},e.translucentPass=n=>{n&&(e.prepareToDraw(t.WebGPURenderer.getRenderEncoder()),t.renderEncoder.registerDrawCallback(t.pipeline,e.draw))},e.opaquePass=n=>{n&&(e.prepareToDraw(t.WebGPURenderer.getRenderEncoder()),t.renderEncoder.registerDrawCallback(t.pipeline,e.draw))},e.updateUBO=()=>{const n=t.WebGPUActor.getRenderable().getProperty(),r=t.UBO.getSendTime();if(e.getMTime()>r||n.getMTime()>r||t.renderable.getMTime()>r){const e=t.WebGPUActor.getKeyMatrices(t.WebGPURenderer);if(t.UBO.setArray("BCWCMatrix",e.bcwc),t.UBO.setArray("BCSCMatrix",e.bcsc),t.UBO.setArray("MCWCNormals",e.normalMatrix),t.is2D){t.UBO.setValue("ZValue",t.WebGPUActor.getRenderable().getProperty().getDisplayLocation()===jv.FOREGROUND?1:0);const e=n.getColorByReference();t.UBO.setValue("AmbientIntensity",1),t.UBO.setArray("DiffuseColor",[e[0],e[1],e[2],1]),t.UBO.setValue("DiffuseIntensity",0),t.UBO.setValue("SpecularIntensity",0)}else{let e=n.getAmbientColorByReference();t.UBO.setValue("AmbientIntensity",n.getAmbient()),t.UBO.setArray("AmbientColor",[e[0],e[1],e[2],1]),t.UBO.setValue("DiffuseIntensity",n.getDiffuse()),e=n.getDiffuseColorByReference(),t.UBO.setArray("DiffuseColor",[e[0],e[1],e[2],1]),t.UBO.setValue("Roughness",n.getRoughness()),t.UBO.setValue("BaseIOR",n.getBaseIOR()),t.UBO.setValue("Metallic",n.getMetallic()),t.UBO.setValue("NormalStrength",n.getNormalStrength()),t.UBO.setValue("Emission",n.getEmission()),t.UBO.setValue("SpecularIntensity",n.getSpecular()),e=n.getSpecularColorByReference(),t.UBO.setArray("SpecularColor",[e[0],e[1],e[2],1])}const r=n.getEdgeColorByReference?.();r&&t.UBO.setArray("EdgeColor",[r[0],r[1],r[2],1]),t.UBO.setValue("LineWidth",n.getLineWidth()),t.UBO.setValue("Opacity",n.getOpacity()),t.UBO.setValue("PropID",t.WebGPUActor.getPropID());const o=t.WebGPURenderWindow.getDevice();t.UBO.sendIfNeeded(o)}},e.haveWideLines=()=>{const e=t.WebGPUActor.getRenderable(),n=e.getProperty().getRepresentation();return!(e.getProperty().getLineWidth()<=1)&&t.primitiveType!==Uv.Verts&&(t.primitiveType!==Uv.Triangles&&t.primitiveType!==Uv.TriangleStrips||n===zv.WIREFRAME)},e.replaceShaderPosition=(n,r,o)=>{const a=r.getShaderDescription("vertex");a.addBuiltinOutput("vec4","@builtin(position) Position"),a.hasOutput("vertexVC")||a.addOutput("vec4","vertexVC");let i=a.getCode();t.useRendererMatrix?(i=Zm.substitute(i,"//VTK::Position::Impl",[" var pCoord: vec4 = rendererUBO.SCPCMatrix*mapperUBO.BCSCMatrix*vertexBC;"," output.vertexVC = rendererUBO.SCVCMatrix * mapperUBO.BCSCMatrix * vec4(vertexBC.xyz, 1.0);","//VTK::Position::Impl"]).result,t.forceZValue&&(i=Zm.substitute(i,"//VTK::Position::Impl",["pCoord = vec4(pCoord.xyz/pCoord.w, 1.0);","pCoord.z = mapperUBO.ZValue;","//VTK::Position::Impl"]).result)):(i=Zm.substitute(i,"//VTK::Position::Impl",[" var pCoord: vec4 = mapperUBO.BCSCMatrix*vertexBC;"," pCoord.x = 2.0* pCoord.x / rendererUBO.viewportSize.x - 1.0;"," pCoord.y = 2.0* pCoord.y / rendererUBO.viewportSize.y - 1.0;"," pCoord.z = 0.5 - 0.5 * pCoord.z;","//VTK::Position::Impl"]).result,t.forceZValue&&(i=Zm.substitute(i,"//VTK::Position::Impl",[" pCoord.z = mapperUBO.ZValue;","//VTK::Position::Impl"]).result)),e.haveWideLines()&&(a.addBuiltinInput("u32","@builtin(instance_index) instanceIndex"),i=Zm.substitute(i,"//VTK::Position::Impl",[" var tmpPos: vec4 = pCoord;"," var numSteps: f32 = ceil(mapperUBO.LineWidth - 1.0);"," var offset: f32 = (mapperUBO.LineWidth - 1.0) * (f32(input.instanceIndex / 2u) - numSteps/2.0) / numSteps;"," var tmpPos2: vec3 = tmpPos.xyz / tmpPos.w;"," tmpPos2.x = tmpPos2.x + 2.0 * (f32(input.instanceIndex) % 2.0) * offset / rendererUBO.viewportSize.x;"," tmpPos2.y = tmpPos2.y + 2.0 * (f32(input.instanceIndex + 1u) % 2.0) * offset / rendererUBO.viewportSize.y;"," tmpPos2.z = min(1.0, tmpPos2.z + 0.00001);"," pCoord = vec4(tmpPos2.xyz * tmpPos.w, tmpPos.w);","//VTK::Position::Impl"]).result),i=Zm.substitute(i,"//VTK::Position::Impl",[" output.Position = pCoord;"]).result,a.setCode(i)},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderNormal=(e,n,r)=>{const o=r.getBuffer("normalMC"),a=t.WebGPUActor.getRenderable();if(o){const e=n.getShaderDescription("vertex");e.hasOutput("normalVC")||e.addOutput("vec3","normalVC",o.getArrayInformation()[0].interpolation),e.hasOutput("tangentVC")||e.addOutput("vec3","tangentVC",o.getArrayInformation()[0].interpolation),e.hasOutput("bitangentVC")||e.addOutput("vec3","bitangentVC",o.getArrayInformation()[0].interpolation);let t=e.getCode();t=Zm.substitute(t,"//VTK::Normal::Impl",[" output.normalVC = normalize((rendererUBO.WCVCNormals * mapperUBO.MCWCNormals * normalMC).xyz);"," var c1: vec3 = cross(output.normalVC, vec3(0, 0, 1));"," var c2: vec3 = cross(output.normalVC, vec3(0, 1, 0));"," var tangent: vec3 = mix(c1, c2, distance(c1, c2));"," output.tangentVC = normalize(tangent);"," output.bitangentVC = normalize(cross(output.normalVC, tangent));"]).result,e.setCode(t);const r=n.getShaderDescription("fragment");t=r.getCode(),t=a.getProperty().getNormalTexture()?Zm.substitute(t,"//VTK::Normal::Impl",[" var normal: vec3 = input.normalVC;"," if (!input.frontFacing) { normal = -normal; }"," var tangent: vec3 = input.tangentVC;"," var bitangent: vec3 = input.bitangentVC;"," var TCVCMatrix: mat3x3 = mat3x3("," tangent.x, bitangent.x, normal.x,"," tangent.y, bitangent.y, normal.y,"," tangent.z, bitangent.z, normal.z,"," );"," var mappedNormal: vec3 = TCVCMatrix * (_normalMap.xyz * 2 - 1);"," normal = mix(normal, mappedNormal, mapperUBO.NormalStrength);"," normal = normalize(normal);"]).result:Zm.substitute(t,"//VTK::Normal::Impl",[" var normal: vec3 = input.normalVC;"," if (!input.frontFacing) { normal = -normal; }"," normal = normalize(normal);"]).result,r.setCode(t)}},t.shaderReplacements.set("replaceShaderNormal",e.replaceShaderNormal),e.replaceShaderLight=(e,n,r)=>{if(e.includes("sel"))return;const o=n.getShaderDescription("vertex");o.hasOutput("vertexVC")||o.addOutput("vec4","vertexVC");const a=t.WebGPURenderer.getRenderable(),i=n.getShaderDescription("fragment");let s=i.getCode();if(!s.includes("var normal:")||!t.useRendererMatrix||qv(e)||t.is2D||e.includes("sel"))s=Zm.substitute(s,"//VTK::Light::Impl",[" var diffuse: vec3 = diffuseColor.rgb;"," var specular: vec3 = mapperUBO.SpecularColor.rgb * mapperUBO.SpecularColor.a;"," computedColor = vec4(diffuse * _diffuseMap.rgb, mapperUBO.Opacity);"]).result,i.setCode(s);else{const e=[" var pi: f32 = 3.14159265359;"," var fragPos: vec3 = vec3(input.vertexVC.xyz);"," var V: vec3 = mix(normalize(-fragPos), vec3(0, 0, 1), f32(rendererUBO.cameraParallel)); // View Vector"," var baseColor: vec3 = _diffuseMap.rgb * diffuseColor.rgb;"," var roughness: f32 = max(0.000001, mapperUBO.Roughness * _roughnessMap.r);"," var metallic: f32 = mapperUBO.Metallic * _metallicMap.r;"," var alpha: f32 = roughness*roughness;"," var ior: f32 = mapperUBO.BaseIOR;"," var k: f32 = alpha*alpha / 2;"," var diffuse: vec3 = vec3(0.);"," var specular: vec3 = vec3(0.);"," var emission: vec3 = _emissionMap.rgb * mapperUBO.Emission;"," {"," var i: i32 = 0;"," loop {"," if !(i < rendererUBO.LightCount) { break; }"," switch (i32(rendererLightSSBO.values[i].LightData.x)) {"," // Point Light"," case 0 {"," var color: vec3 = rendererLightSSBO.values[i].LightColor.rgb * rendererLightSSBO.values[i].LightColor.w;"," var pos: vec3 = (rendererLightSSBO.values[i].LightPos).xyz;"," var calculated: PBRData = calcPointLight(normal, V, fragPos, ior, roughness, metallic, pos, color, baseColor);"," diffuse += max(vec3(0), calculated.diffuse);"," specular += max(vec3(0), calculated.specular);"," }"," // Directional light"," case 1 {"," var dir: vec3 = (rendererUBO.WCVCNormals * vec4(normalize(rendererLightSSBO.values[i].LightDir.xyz), 0.)).xyz;"," dir = normalize(dir);"," var color: vec3 = rendererLightSSBO.values[i].LightColor.rgb * rendererLightSSBO.values[i].LightColor.w;"," var calculated: PBRData = calcDirectionalLight(normal, V, ior, roughness, metallic, dir, color, baseColor); // diffuseColor.rgb needs to be fixed with a more dynamic diffuse color"," diffuse += max(vec3(0), calculated.diffuse);"," specular += max(vec3(0), calculated.specular);"," }"," // Spot Light"," case 2 {"," var color: vec3 = rendererLightSSBO.values[i].LightColor.rgb * rendererLightSSBO.values[i].LightColor.w;"," var pos: vec3 = (rendererLightSSBO.values[i].LightPos).xyz;"," var dir: vec3 = (rendererUBO.WCVCNormals * vec4(normalize(rendererLightSSBO.values[i].LightDir.xyz), 0.)).xyz;"," dir = normalize(dir);"," var cones: vec2 = vec2(rendererLightSSBO.values[i].LightData.y, rendererLightSSBO.values[i].LightData.z);"," var calculated: PBRData = calcSpotLight(normal, V, fragPos, ior, roughness, metallic, pos, dir, cones, color, baseColor);"," diffuse += max(vec3(0), calculated.diffuse);"," specular += max(vec3(0), calculated.specular);"," }"," default { continue; }"," }"," continuing { i++; }"," }"," }"," var fresnel: f32 = schlickFresnelIOR(V, normal, ior, k); // Fresnel"," fresnel = min(1, fresnel);"," // This could be controlled with its own variable (that isnt base color) for better artistic control"," var fresnelMetallic: vec3 = schlickFresnelRGB(V, normal, baseColor); // Fresnel for metal, takes color into account"," var kS: vec3 = mix(vec3(fresnel), fresnelMetallic, metallic);"," kS = min(vec3(1), kS);"," var kD: vec3 = (1.0 - kS) * (1.0 - metallic);"," var PBR: vec3 = mapperUBO.DiffuseIntensity*kD*diffuse + kS*specular;"," PBR += emission;"," computedColor = vec4(PBR, mapperUBO.Opacity);"];a.getEnvironmentTexture()?.getImageLoaded()&&e.push(" // To get diffuse IBL, the texture is sampled with normals in worldspace"," var diffuseIBLCoords: vec3 = (transpose(rendererUBO.WCVCNormals) * vec4(normal, 1.)).xyz;"," var diffuseCoords: vec2 = vecToRectCoord(diffuseIBLCoords);"," // To get specular IBL, the texture is sampled as the worldspace reflection between the normal and view vectors"," // Reflections are first calculated in viewspace, then converted to worldspace to sample the environment"," var VreflN: vec3 = normalize(reflect(-V, normal));"," var reflectionIBLCoords = (transpose(rendererUBO.WCVCNormals) * vec4(VreflN, 1.)).xyz;"," var specularCoords: vec2 = vecToRectCoord(reflectionIBLCoords);"," var diffuseIBL = textureSampleLevel(EnvironmentTexture, EnvironmentTextureSampler, diffuseCoords, rendererUBO.MaxEnvironmentMipLevel);"," var level = roughness * rendererUBO.MaxEnvironmentMipLevel;"," var specularIBL = textureSampleLevel(EnvironmentTexture, EnvironmentTextureSampler, specularCoords, level);"," var specularIBLContribution: vec3 = specularIBL.rgb*rendererUBO.BackgroundSpecularStrength;"," computedColor += vec4(specularIBLContribution*kS, 0);"," var diffuseIBLContribution: vec3 = diffuseIBL.rgb*rendererUBO.BackgroundDiffuseStrength;"," diffuseIBLContribution *= baseColor * _ambientOcclusionMap.rgb;"," computedColor += vec4(diffuseIBLContribution*kD, 0);"),s=Zm.substitute(s,"//VTK::Light::Impl",e).result,i.setCode(s)}},t.shaderReplacements.set("replaceShaderLight",e.replaceShaderLight),e.replaceShaderColor=(e,t,n)=>{if(qv(e)){const e=t.getShaderDescription("fragment");let n=e.getCode();return n=Zm.substitute(n,"//VTK::Color::Impl",["ambientColor = mapperUBO.EdgeColor;","diffuseColor = mapperUBO.EdgeColor;"]).result,void e.setCode(n)}const r=n.getBuffer("colorVI");if(!r)return;const o=t.getShaderDescription("vertex");o.addOutput("vec4","color",r.getArrayInformation()[0].interpolation);let a=o.getCode();a=Zm.substitute(a,"//VTK::Color::Impl",[" output.color = colorVI;"]).result,o.setCode(a);const i=t.getShaderDescription("fragment");a=i.getCode(),a=Zm.substitute(a,"//VTK::Color::Impl",["ambientColor = input.color;","diffuseColor = input.color;","opacity = mapperUBO.Opacity * input.color.a;"]).result,i.setCode(a)},t.shaderReplacements.set("replaceShaderColor",e.replaceShaderColor),e.replaceShaderTCoord=(e,n,r)=>{if(!r.hasAttribute("tcoord"))return;const o=n.getShaderDescription("vertex"),a=r.getBuffer("tcoord"),i=ch(a.getArrayInformation()[0].format);let s=o.getCode();o.addOutput(`vec${i}`,"tcoordVS"),s=Zm.substitute(s,"//VTK::TCoord::Impl",[" output.tcoordVS = tcoord;"]).result,o.setCode(s);const l=n.getShaderDescription("fragment");s=l.getCode();const c=t.WebGPUActor.getRenderable(),u=e=>!!e&&e.getDimensionality()===i,d=[];(c.getProperty().getDiffuseTexture?.()?.getImageLoaded()||c.getTextures()[0]||t.colorTexture)&&(u(c.getProperty().getDiffuseTexture?.())||u(c.getTextures()[0])||u(t.colorTexture))&&d.push("_diffuseMap = textureSample(DiffuseTexture, DiffuseTextureSampler, input.tcoordVS);"),c.getProperty().getRoughnessTexture?.()?.getImageLoaded()&&u(c.getProperty().getRoughnessTexture())&&d.push("_roughnessMap = textureSample(RoughnessTexture, RoughnessTextureSampler, input.tcoordVS);"),c.getProperty().getMetallicTexture?.()?.getImageLoaded()&&u(c.getProperty().getMetallicTexture())&&d.push("_metallicMap = textureSample(MetallicTexture, MetallicTextureSampler, input.tcoordVS);"),c.getProperty().getNormalTexture?.()?.getImageLoaded()&&u(c.getProperty().getNormalTexture())&&d.push("_normalMap = textureSample(NormalTexture, NormalTextureSampler, input.tcoordVS);"),c.getProperty().getAmbientOcclusionTexture?.()?.getImageLoaded()&&u(c.getProperty().getAmbientOcclusionTexture())&&d.push("_ambientOcclusionMap = textureSample(AmbientOcclusionTexture, AmbientOcclusionTextureSampler, input.tcoordVS);"),c.getProperty().getEmissionTexture?.()?.getImageLoaded()&&u(c.getProperty().getEmissionTexture())&&d.push("_emissionMap = textureSample(EmissionTexture, EmissionTextureSampler, input.tcoordVS);"),s=Zm.substitute(s,"//VTK::TCoord::Impl",d).result,l.setCode(s)},t.shaderReplacements.set("replaceShaderTCoord",e.replaceShaderTCoord),e.replaceShaderSelect=(e,t,n)=>{if(e.includes("sel")){const e=t.getShaderDescription("fragment");let n=e.getCode();n=Zm.substitute(n,"//VTK::Select::Impl",[" var compositeID: u32 = 0u;"]).result,e.setCode(n)}},t.shaderReplacements.set("replaceShaderSelect",e.replaceShaderSelect),e.getUsage=(e,t)=>e===zv.POINTS||t===Uv.Points?Gv.Verts:t===Uv.Lines?Gv.Lines:e===zv.WIREFRAME?t===Uv.Triangles?Gv.LinesFromTriangles:Gv.LinesFromStrips:t===Uv.Triangles?Gv.Triangles:t===Uv.TriangleStrips?Gv.Strips:t===Uv.TriangleEdges?Gv.LinesFromTriangles:Gv.LinesFromStrips,e.getHashFromUsage=e=>`pt${e}`,e.getTopologyFromUsage=e=>{switch(e){case Gv.Triangles:return"triangle-list";case Gv.Verts:return"point-list";case Gv.Lines:default:return"line-list"}},e.buildVertexInput=()=>{const n=t.currentInput,r=t.cellArray,o=t.primitiveType;let a=t.WebGPUActor.getRenderable().getProperty().getRepresentation();const i=t.WebGPURenderWindow.getDevice();let s=!1;o===Uv.TriangleEdges&&(s=!0,a=zv.WIREFRAME);const l=t.vertexInput,c=n.getPoints();let u;if(r){const e={hash:`R${a}P${o}${r.getMTime()}`,usage:Gv.Index,cells:r,numberOfPoints:c.getNumberOfPoints(),primitiveType:o,representation:a};u=i.getBufferManager().getBuffer(e),l.setIndexBuffer(u)}else l.setIndexBuffer(null);if(c){const e=t.WebGPUActor.getBufferShift(t.WebGPURenderer),n={hash:`${c.getMTime()}I${u.getMTime()}${e.join()}float32x4`,usage:Gv.PointArray,format:"float32x4",dataArray:c,indexBuffer:u,shift:e,packExtra:!0},r=i.getBufferManager().getBuffer(n);l.addBuffer(r,["vertexBC"])}else l.removeBufferIfPresent("vertexBC");const d=e.getUsage(a,o);if(t._usesCellNormals=!1,t.is2D||d!==Gv.Triangles&&d!==Gv.Strips)l.removeBufferIfPresent("normalMC");else{const e=n.getPointData().getNormals(),a={format:"snorm8x4",indexBuffer:u,packExtra:!0,shift:0,scale:127};if(e){a.hash=`${e.getMTime()}I${u.getMTime()}snorm8x4`,a.dataArray=e,a.usage=Gv.PointArray;const t=i.getBufferManager().getBuffer(a);l.addBuffer(t,["normalMC"])}else if(o===Uv.Triangles){t._usesCellNormals=!0,a.hash=`PFN${c.getMTime()}I${u.getMTime()}snorm8x4`,a.dataArray=c,a.cells=r,a.usage=Gv.NormalsFromPoints;const e=i.getBufferManager().getBuffer(a);l.addBuffer(e,["normalMC"])}else l.removeBufferIfPresent("normalMC")}let p=!1;if(t.renderable.getScalarVisibility()){const e=t.renderable.getColorMapColors();if(e&&!s){const r=t.renderable.getScalarMode();let o=!1;r!==Wv.USE_CELL_DATA&&r!==Wv.USE_CELL_FIELD_DATA&&r!==Wv.USE_FIELD_DATA&&n.getPointData().getScalars()||r===Wv.USE_POINT_FIELD_DATA||!e||(o=!0);const a={usage:Gv.PointArray,format:"unorm8x4",hash:`${o}${e.getMTime()}I${u.getMTime()}unorm8x4`,dataArray:e,indexBuffer:u,cellData:o,cellOffset:0},s=i.getBufferManager().getBuffer(a);l.addBuffer(s,["colorVI"]),p=!0}}p||l.removeBufferIfPresent("colorVI");let f=null;if(f=t.renderable.getInterpolateScalarsBeforeMapping?.()&&t.renderable.getColorCoordinates()?t.renderable.getColorCoordinates():n.getPointData().getTCoords(),f&&!s){const e=i.getBufferManager().getBufferForPointArray(f,l.getIndexBuffer());l.addBuffer(e,["tcoord"])}else l.removeBufferIfPresent("tcoord")},e.updateTextures=()=>{const e=[],n=[],r=t.renderable.getColorTextureMap?.();r&&(t.colorTexture||(t.colorTexture=Tu.newInstance({label:"polyDataColor"})),t.colorTexture.setInputData(r),n.push(["Diffuse",t.colorTexture]));const o=t.WebGPUActor.getRenderable(),a=t.WebGPURenderer.getRenderable(),i=[];if(o.getProperty().getDiffuseTexture?.()){const e=["Diffuse",o.getProperty().getDiffuseTexture()];i.push(e)}if(o.getTextures()[0]){const e=["Diffuse",o.getTextures()[0]];i.push(e)}if(t.colorTexture){const e=["Diffuse",t.colorTexture];i.push(e)}if(o.getProperty().getRoughnessTexture?.()){const e=["Roughness",o.getProperty().getRoughnessTexture()];i.push(e)}if(o.getProperty().getMetallicTexture?.()){const e=["Metallic",o.getProperty().getMetallicTexture()];i.push(e)}if(o.getProperty().getNormalTexture?.()){const e=["Normal",o.getProperty().getNormalTexture()];i.push(e)}if(o.getProperty().getAmbientOcclusionTexture?.()){const e=["AmbientOcclusion",o.getProperty().getAmbientOcclusionTexture()];i.push(e)}if(o.getProperty().getEmissionTexture?.()){const e=["Emission",o.getProperty().getEmissionTexture()];i.push(e)}if(a.getEnvironmentTexture?.()){const e=["Environment",a.getEnvironmentTexture()];i.push(e)}for(let e=0;e=0;n--)e[n]||(t.textures.splice(n,1),t.textureViews.splice(n,1))},e.computePipelineHash=()=>{let n=`pd${t.useRendererMatrix?"r":""}${t.forceZValue?"z":""}`;if(t.primitiveType===Uv.TriangleEdges||t.primitiveType===Uv.TriangleStripEdges)n+="edge";else{if(t.vertexInput.hasAttribute("normalMC")&&(n+="n"),t.vertexInput.hasAttribute("colorVI")&&(n+="c"),t.vertexInput.hasAttribute("tcoord")){const e=t.vertexInput.getBuffer("tcoord");n+=`t${ch(e.getArrayInformation()[0].format)}`}t.textures.length&&(n+=`tx${t.textures.length}`)}t._usesCellNormals&&(n+="cn"),t.SSBO&&(n+="ssbo"),n+=e.getHashFromUsage(t.usage),n+=t.renderEncoder.getPipelineHash(),t.pipelineHash=n},e.updateBuffers=()=>{t.primitiveType!==Uv.TriangleEdges&&t.primitiveType!==Uv.TriangleStripEdges&&e.updateTextures();const n=t.WebGPUActor.getRenderable(),r=n.getProperty().getRepresentation();t.usage=e.getUsage(r,t.primitiveType),e.buildVertexInput();const o=t.vertexInput.getBuffer("vertexBC");if(e.setNumberOfVertices(o.getSizeInBytes()/o.getStrideInBytes()),e.setTopology(e.getTopologyFromUsage(t.usage)),e.updateUBO(),e.haveWideLines()){const t=n.getProperty();e.setNumberOfInstances(Math.ceil(2*t.getLineWidth()))}else e.setNumberOfInstances(1)}}const Yv={is2D:!1,cellArray:null,currentInput:null,cellOffset:0,primitiveType:0,colorTexture:null,renderEncoder:null,textures:null};function Zv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Yv,n),Ph.extend(e,t,n),t.fragmentShaderTemplate=$v,t.vertexShaderTemplate=Kv,t._tmpMat3=pe(new Float64Array(9)),t._tmpMat4=g(new Float64Array(16)),t.UBO=hv.newInstance({label:"mapperUBO"}),t.UBO.addEntry("BCWCMatrix","mat4x4"),t.UBO.addEntry("BCSCMatrix","mat4x4"),t.UBO.addEntry("MCWCNormals","mat4x4"),t.UBO.addEntry("AmbientColor","vec4"),t.UBO.addEntry("DiffuseColor","vec4"),t.UBO.addEntry("EdgeColor","vec4"),t.UBO.addEntry("SpecularColor","vec4"),t.UBO.addEntry("AmbientIntensity","f32"),t.UBO.addEntry("DiffuseIntensity","f32"),t.UBO.addEntry("Roughness","f32"),t.UBO.addEntry("Metallic","f32"),t.UBO.addEntry("Ambient","f32"),t.UBO.addEntry("Normal","f32"),t.UBO.addEntry("Emission","f32"),t.UBO.addEntry("NormalStrength","f32"),t.UBO.addEntry("BaseIOR","f32"),t.UBO.addEntry("SpecularIntensity","f32"),t.UBO.addEntry("LineWidth","f32"),t.UBO.addEntry("Opacity","f32"),t.UBO.addEntry("ZValue","f32"),t.UBO.addEntry("PropID","u32"),t.UBO.addEntry("ClipNear","f32"),t.UBO.addEntry("ClipFar","f32"),t.UBO.addEntry("Time","u32"),Pt(e,t,["cellArray","currentInput","cellOffset","is2D","primitiveType","renderEncoder"]),t.textures=[],Xv(e,t)}var Qv={newInstance:Et(Zv,"vtkWebGPUCellArrayMapper"),extend:Zv};const{PrimitiveTypes:Jv}=ov;function ey(e,t){t.classHierarchy.push("vtkWebGPUPolyDataMapper"),e.createCellArrayMapper=()=>Qv.newInstance(),e.buildPass=n=>{if(n){t.WebGPUActor=e.getFirstAncestorOfType("vtkWebGPUActor"),t.renderable.getStatic()||t.renderable.update();const n=t.renderable.getInputData();t.renderable.mapScalars(n,1),e.updateCellArrayMappers(n)}},e.updateCellArrayMappers=n=>{const r=[n.getVerts(),n.getLines(),n.getPolys(),n.getStrips()],o=[];let a=0;for(let i=Jv.Points;i<=Jv.Triangles;i++)if(r[i].getNumberOfValues()>0){t.primitives[i]||(t.primitives[i]=e.createCellArrayMapper());const s=t.primitives[i];s.setCellArray(r[i]),s.setCurrentInput(n),s.setCellOffset(a),s.setPrimitiveType(i),s.setRenderable(t.renderable),a+=r[i].getNumberOfCells(),o.push(s)}else t.primitives[i]=null;if(t.WebGPUActor.getRenderable().getProperty().getEdgeVisibility())for(let 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cy(e,t){t.classHierarchy.push("vtkWebGPUScalarBarActor"),e.buildPass=n=>{n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent(),t.scalarBarActorHelper.getRenderable()||t.scalarBarActorHelper.setRenderable(t.renderable),e.prepareNodes(),e.addMissingNode(t.scalarBarActorHelper.getBarActor()),e.addMissingNode(t.scalarBarActorHelper.getTmActor()),e.removeUnusedNodes())},e.opaquePass=(e,n)=>{if(e){const e=t.WebGPURenderer?t.WebGPURenderer.getRenderable().getActiveCamera():null,n=t.WebGPURenderer.getTiledSizeAndOrigin();t.scalarBarActorHelper.updateAPISpecificData([n.usize,n.vsize],e,t.WebGPURenderWindow.getRenderable())}}}Em("vtkMapper2D",ly);const uy={};const dy=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uy,n),Zt.extend(e,t,n),t.scalarBarActorHelper=Vp.newScalarBarActorHelper(),cy(e,t)}),"vtkWebGPUScalarBarActor");function 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by={newInstance:jt.newInstance(yy),extend:yy};const{BufferUsage:xy}=ov;function Ty(e,t){t.classHierarchy.push("vtkWebGPUTexture"),e.create=(e,n)=>{t.device=e,t.width=n.width,t.height=n.height,t.depth=n.depth?n.depth:1;const r=1===t.depth?"2d":"3d";t.format=n.format?n.format:"rgba8unorm",t.mipLevel=n.mipLevel?n.mipLevel:0,t.usage=n.usage?n.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST,t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label,dimension:r,mipLevelCount:t.mipLevel+1})},e.assignFromHandle=(e,n,r)=>{t.device=e,t.handle=n,t.width=r.width,t.height=r.height,t.depth=r.depth?r.depth:1,t.format=r.format?r.format:"rgba8unorm",t.usage=r.usage?r.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST},e.writeImageData=n=>{let r=[];if(n.canvas)return 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rendererUBO.SCPCMatrix*vertexSC;"]).result,r.setCode(o)},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderNormal=(e,t,r)=>{if(r.hasAttribute("normalMC")){const e=t.getShaderDescription("vertex");let n=e.getCode();n=Zm.substitute(n,"//VTK::Normal::Impl",[" output.normalVC = normalize((rendererUBO.WCVCNormals"," * mapperUBO.MCWCNormals"," * glyphSSBO.values[input.instanceIndex].normal*normalMC).xyz);"]).result,e.setCode(n)}n.replaceShaderNormal(e,t,r)},t.shaderReplacements.set("replaceShaderNormal",e.replaceShaderNormal),e.replaceShaderColor=(e,r,o)=>{if(!t.renderable.getColorArray())return void n.replaceShaderColor(e,r,o);const a=r.getShaderDescription("vertex");a.addOutput("vec4","color");let i=a.getCode();i=Zm.substitute(i,"//VTK::Color::Impl",[" output.color = glyphSSBO.values[input.instanceIndex].color;"]).result,a.setCode(i);const s=r.getShaderDescription("fragment");i=s.getCode(),i=Zm.substitute(i,"//VTK::Color::Impl",["ambientColor = input.color;","diffuseColor = input.color;","opacity = mapperUBO.Opacity * input.color.a;"]).result,s.setCode(i)},t.shaderReplacements.set("replaceShaderColor",e.replaceShaderColor),e.replaceShaderSelect=(e,t,n)=>{if(e.includes("sel")){const e=t.getShaderDescription("vertex");e.addOutput("u32","compositeID","flat");let n=e.getCode();n=Zm.substitute(n,"//VTK::Select::Impl",[" output.compositeID = input.instanceIndex;"]).result,e.setCode(n);const r=t.getShaderDescription("fragment");n=r.getCode(),n=Zm.substitute(n,"//VTK::Select::Impl",["var compositeID: u32 = input.compositeID;"]).result,r.setCode(n)}},t.shaderReplacements.set("replaceShaderSelect",e.replaceShaderSelect)}const Iy=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,{},n),Qv.extend(e,t,n),Ay(e,t)}),"vtkWebGPUGlyph3DCellArrayMapper");function wy(e,t){t.classHierarchy.push("vtkWebGPUGlyph3DMapper"),e.createCellArrayMapper=()=>{const e=Iy();return e.setSSBO(t.SSBO),e.setRenderable(t.renderable),e},e.buildPass=n=>{if(n){t.WebGPUActor=e.getFirstAncestorOfType("vtkWebGPUActor"),t.renderable.getStatic()||t.renderable.update();const n=t.renderable.getInputData(1);t.renderable.mapScalars(n,1),e.updateSSBO(),e.updateCellArrayMappers(n);for(let e=0;e{t.currentInput=t.renderable.getInputData(1),t.renderable.buildArrays();const n=t.renderable.getMatrixArray(),r=t.renderable.getNormalArray();if(t.carray=t.renderable.getColorArray(),t.numInstances=n.length/16,t.renderable.getBuildTime().getMTime()>t.glyphBOBuildTime.getMTime()){t.WebGPURenderWindow=e.getFirstAncestorOfType("vtkWebGPURenderWindow");const o=t.WebGPURenderWindow.getDevice();t.SSBO.clearData(),t.SSBO.setNumberOfInstances(t.numInstances),t.SSBO.addEntry("matrix","mat4x4"),t.SSBO.addEntry("normal","mat4x4"),t.carray&&t.SSBO.addEntry("color","vec4"),t.SSBO.setAllInstancesFromArray("matrix",n),t.SSBO.setAllInstancesFromArray3x3To4x4("normal",r),t.carray&&t.SSBO.setAllInstancesFromArrayColorToFloat("color",t.carray.getData()),t.SSBO.send(o),t.glyphBOBuildTime.modified()}}}const Oy={};const My=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Oy,n),oy.extend(e,t,n),t.glyphBOBuildTime={},yt(t.glyphBOBuildTime,{mtime:0}),t.SSBO=uv.newInstance({label:"glyphSSBO"}),wy(e,t)}),"vtkWebGPUGlyph3DMapper");Em("vtkGlyph3DMapper",My);const{SlicingMode:Ry}=ug,Vy="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Image::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var 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n=t.WebGPURenderer.getRenderable();t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(n.getActiveCamera())}},e.translucentPass=t=>{t&&e.render()},e.opaquePass=t=>{t&&e.render()},e.render=()=>{t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.prepareToDraw(t.WebGPURenderer.getRenderEncoder()),t.renderEncoder.registerDrawCallback(t.pipeline,e.draw)},e.computePipelineHash=()=>{const e=t.currentInput.getExtent();e[0]===e[1]||e[2]===e[3]||e[4]===e[5]?(t.dimensions=2,t.pipelineHash="img2"):(t.dimensions=3,t.pipelineHash="img3")},e.updateUBO=()=>{const n=t.UBO.getSendTime(),r=t.WebGPUImageSlice.getRenderable(),o=r.getMapper();if(e.getMTime()>n||t.renderable.getMTime()>n||r.getProperty().getMTime()>n){const e=o.getInputData(),n=t.WebGPURenderer.getStabilizedCenterByReference();g(Ey),x(Ey,Ey,n);const a=r.getMatrix();m(Dy,a),h(Dy,Dy),b(Ey,Dy,Ey);const i=e.getWorldToIndex();b(Ey,i,Ey),h(Ly,Ey),I(Dy,[.5,.5,.5]),b(Ey,Dy,Ey);const s=e.getDimensions();g(Dy),T(Dy,Dy,[1/s[0],1/s[1],1/s[2]]),b(Ey,Dy,Ey),t.UBO.setArray("SCTCMatrix",Ey);const l=t.currentInput.getExtent(),{ijkMode:c}=t.renderable.getClosestIJKAxis();let u=t.renderable.getSlice();c!==t.renderable.getSlicingMode()&&(u=t.renderable.getSliceAtPosition(u));let d=2,p=0,f=1;c===Ry.I?(d=0,p=1,f=2):c===Ry.J&&(d=1,p=2,f=0),By[d]=u,By[p]=l[2*p]-.5,By[f]=l[2*f]-.5,By[3]=1,Gi(By,By,Ly),t.UBO.setArray("Origin",By),Ny[d]=u,Ny[p]=l[2*p+1]+.5,Ny[f]=l[2*f]-.5,Ny[3]=1,Gi(Ny,Ny,Ly),_i(Ny,Ny,By),Ny[3]=1,t.UBO.setArray("Axis1",Ny),Ny[d]=u,Ny[p]=l[2*p]-.5,Ny[f]=l[2*f+1]+.5,Ny[3]=1,Gi(Ny,Ny,Ly),_i(Ny,Ny,By),Ny[3]=1,t.UBO.setArray("Axis2",Ny);const v=[1,1,1,1],y=[0,0,0,0],C=t.textureViews[0],S=C.getTexture().getScale(),P=C.getTexture().getNumberOfComponents();for(let e=0;e{const n=t.WebGPUImageSlice.getRenderable().getProperty();e.getTextureViews()[0].getTexture().getNumberOfComponents();const r=function(e,t,n){if(t.apply(e)){const t=e.getIndependentComponents();return`${e.getMTime()}-${t}-1`}return"0"}(n,n.getRGBTransferFunction);if(t.colorTextureString!==r){t.numRows=1;const e=new Uint8Array(2*t.numRows*t.rowLength*4);let o=n.getRGBTransferFunction();if(o){const r=new Float32Array(3*t.rowLength);for(let a=0;a<1;a++){o=n.getRGBTransferFunction(a);const i=o.getRange();o.getTable(i[0],i[1],t.rowLength,r,1);for(let n=0;n{n();const r=t.device.getTextureManager().getTextureForImageData(t.currentInput),o=t.textureViews;if(!o[0]||o[0].getTexture()!==r){const e=r.createView("imgTexture");o[0]=e}e.updateLUTImage(),e.updateUBO();const a=t.WebGPUImageSlice.getRenderable().getProperty().getInterpolationType()===ng.NEAREST?"nearest":"linear";t.clampSampler&&a===t.clampSampler.getOptions().minFilter||(t.clampSampler=my.newInstance({label:"clampSampler"}),t.clampSampler.create(t.device,{minFilter:a,magFilter:a}),t.additionalBindables=[t.clampSampler])};const r=e.getShaderReplacements();e.replaceShaderPosition=(e,n,r)=>{const o=n.getShaderDescription("vertex");o.addBuiltinOutput("vec4","@builtin(position) Position");let a=o.getCode();const i=["var pos: vec4 = mapperUBO.Origin +"," (vertexBC.x * 0.5 + 0.5) * mapperUBO.Axis1 + (vertexBC.y * 0.5 + 0.5) * mapperUBO.Axis2;","pos.w = 1.0;"];2===t.dimensions?i.push("var tcoord : vec2 = (mapperUBO.SCTCMatrix * pos).xy;"):i.push("var tcoord : vec3 = (mapperUBO.SCTCMatrix * pos).xyz;"),i.push("output.tcoordVS = tcoord;","output.Position = rendererUBO.SCPCMatrix * pos;"),a=Zm.substitute(a,"//VTK::Position::Impl",i).result,o.setCode(a)},r.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderTCoord=(e,n,r)=>{const o=n.getShaderDescription("vertex");2===t.dimensions?o.addOutput("vec2","tcoordVS"):o.addOutput("vec3","tcoordVS")},r.set("replaceShaderTCoord",e.replaceShaderTCoord),e.replaceShaderImage=(e,n,r)=>{const o=n.getShaderDescription("fragment");let a=o.getCode();t.dimensions,a=Zm.substitute(a,"//VTK::Image::Sample",[" var computedColor: vec4 ="," textureSampleLevel(imgTexture, clampSampler, input.tcoordVS, 0.0);","//VTK::Image::Sample"]).result,a=Zm.substitute(a,"//VTK::Image::Sample",[" var coord: vec2 ="," vec2(computedColor.r * mapperUBO.cScale.r + mapperUBO.cShift.r, 0.5);"," computedColor = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);"]).result,o.setCode(a)},r.set("replaceShaderImage",e.replaceShaderImage)}const Fy={rowLength:1024};const _y=Et((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fy,n),Oh.extend(e,t,n),e.setFragmentShaderTemplate(Vy),t.UBO=hv.newInstance({label:"mapperUBO"}),t.UBO.addEntry("SCTCMatrix","mat4x4"),t.UBO.addEntry("Origin","vec4"),t.UBO.addEntry("Axis2","vec4"),t.UBO.addEntry("Axis1","vec4"),t.UBO.addEntry("cScale","vec4"),t.UBO.addEntry("cShift","vec4"),t.lutBuildTime={},yt(t.lutBuildTime,{mtime:0}),t.imagemat=g(new Float64Array(16)),t.imagematinv=g(new Float64Array(16)),t.VBOBuildTime={},yt(t.VBOBuildTime),ky(e,t)}),"vtkWebGPUImageMapper");function Gy(e,t){t.classHierarchy.push("vtkWebGPUImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 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n=t.renderable.getMatrix(),r=e.getStabilizedCenterByReference();t.bufferShift[0]=n[3]-r[0],t.bufferShift[1]=n[7]-r[1],t.bufferShift[2]=n[11]-r[2],m(t.keyMatrices.bcwc,n),t.renderable.getIsIdentity()?g(t.keyMatrices.normalMatrix):(d(t.keyMatrices.normalMatrix,t.keyMatrices.bcwc),t.keyMatrices.normalMatrix[3]=0,t.keyMatrices.normalMatrix[7]=0,t.keyMatrices.normalMatrix[11]=0,h(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix),m(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix)),x(t.keyMatrices.bcwc,t.keyMatrices.bcwc,[-t.bufferShift[0],-t.bufferShift[1],-t.bufferShift[2]]),x(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]),t.keyMatricesTime.modified()}return t.keyMatrices}}Em("vtkImageMapper",_y);const Uy={bufferShift:void 0,keyMatrixTime:null,keyMatrices:null,propID:void 0};const zy=Et((function(e,t){let n=arguments.length>2&&void 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Float64Array(3),r=new Float64Array(3);e.getBoundingCubePoints=(e,o)=>{const a=t.renderable.getMapper().getInputData();if(!a)return;const i=a.getExtent(),s=t.renderable.getMatrix();let l=0;for(let t=4;t<6;t++){n[2]=i[t];for(let t=2;t<4;t++){n[1]=i[t];for(let t=0;t<2;t++){n[0]=i[t],a.indexToWorld(n,r);let c=o+3*l;e[c++]=s[0]*r[0]+s[1]*r[1]+s[2]*r[2]+s[3],e[c++]=s[4]*r[0]+s[5]*r[1]+s[6]*r[2]+s[7],e[c++]=s[8]*r[0]+s[9]*r[1]+s[10]*r[2]+s[11],l++}}}},e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix(),r=e.getStabilizedCenterByReference();m(t.keyMatrices.bcwc,n),x(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]),t.keyMatricesTime.modified()}return t.keyMatrices}}Em("vtkImageSlice",zy);const Hy={propID:void 0,keyMatricesTime:null};const jy=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Hy,n),Zt.extend(e,t,n),t.keyMatricesTime={},jt.obj(t.keyMatricesTime,{mtime:0}),t.keyMatrices={bcwc:new Float64Array(16),bcsc:new Float64Array(16)},jt.get(e,t,["propID","keyMatricesTime"]),Wy(e,t)}),"vtkWebGPUVolume");function Ky(e,t){t.classHierarchy.push("vtkWebGPUPixelSpaceCallbackMapper"),e.opaquePass=(n,r)=>{t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent();const o=t.WebGPURenderer.getAspectRatio(),a=t.WebGPURenderer?t.WebGPURenderer.getRenderable().getActiveCamera():null,i=t.WebGPURenderer.getTiledSizeAndOrigin();t.renderable.getUseZValues(),t.renderable.invokeCallback(t.renderable.getInputData(),a,o,i,null)}}Em("vtkVolume",jy);const $y={};const qy=jt.newInstance((function(e,t){let n=arguments.length>2&&void 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vec3(input.vertexVC.x, input.vertexVC.y, input.vertexVC.z + 3.0*input.radiusVC);\n EyeDir = vec3(0.0, 0.0, -1.0);\n }\n else {\n EyeDir = input.vertexVC.xyz;\n EyePos = vec3(0.0,0.0,0.0);\n var lengthED: f32 = length(EyeDir);\n EyeDir = normalize(EyeDir);\n // we adjust the EyePos to be closer if it is too far away\n // to prevent floating point precision noise\n if (lengthED > input.radiusVC*3.0) {\n EyePos = input.vertexVC.xyz - EyeDir*3.0*input.radiusVC;\n }\n }\n\n // translate to Sphere center\n EyePos = EyePos - input.centerVC;\n // scale to radius 1.0\n EyePos = EyePos * (1.0 / input.radiusVC);\n // find the intersection\n var b: f32 = 2.0*dot(EyePos,EyeDir);\n var c: f32 = dot(EyePos,EyePos) - 1.0;\n var d: f32 = b*b - 4.0*c;\n var normal: vec3 = vec3(0.0,0.0,1.0);\n if (d < 0.0) { discard; }\n else {\n var t: f32 = (-b - invertedDepth*sqrt(d))*0.5;\n\n // compute the normal, for unit sphere this is just\n // the intersection point\n normal = invertedDepth*normalize(EyePos + t*EyeDir);\n // compute the intersection point in VC\n vertexVC = vec4(normal * input.radiusVC + input.centerVC, 1.0);\n }\n // compute the pixel's depth\n var pos: vec4 = rendererUBO.VCPCMatrix * vertexVC;\n output.fragDepth = pos.z / pos.w;\n "]).result,o.setCode(a)},e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position");let o=r.getCode();o=Zm.substitute(o,"//VTK::Position::Impl",[" output.Position = rendererUBO.VCPCMatrix*vertexVC;"]).result,r.setCode(o)},e.computePipelineHash=()=>{t.pipelineHash="spm",t.vertexInput.hasAttribute("colorVI")&&(t.pipelineHash+="c"),t.pipelineHash+=t.renderEncoder.getPipelineHash()},e.updateBuffers=()=>{const n=t.currentInput;t.renderable.mapScalars(n,1);const r=n.getPoints(),o=r.getNumberOfPoints(),a=r.getData();e.setNumberOfInstances(1),e.setNumberOfVertices(3*o);const i=t.vertexInput;let s=`spm${r.getMTime()}float32x3`;if(!t.device.getBufferManager().hasBuffer(s)){const e={hash:s,usage:Xy.RawVertex,format:"float32x3"},n=new Float32Array(3*o*3);let r=0,l=0;for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Jy,n),Qv.extend(e,t,n),e.setVertexShaderTemplate(Zy),Qy(e,t);const r=t.shaderReplacements;r.set("replaceShaderPosition",e.replaceShaderPosition),r.set("replaceShaderNormal",e.replaceShaderNormal)}),"vtkWebGPUSphereMapper");Em("vtkSphereMapper",eb);const{BufferUsage:tb}=ov,{vtkErrorMacro:nb}=Kt,rb="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::Color::Dec\n\n//VTK::IOStructs::Dec\n\n@vertex\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var offsetsArray: array, 12> = array, 12>(\n vec3(-1.0, -1.0, -1.0),\n vec3(1.0, -1.0, -1.0),\n vec3(1.0, -1.0, 1.0),\n\n vec3(-1.0, -1.0, -1.0),\n vec3(1.0, -1.0, 1.0),\n vec3(-1.0, -1.0, 1.0),\n\n vec3(-1.0, -1.0, 1.0),\n vec3(1.0, -1.0, 1.0),\n vec3(1.0, 1.0, 1.0),\n\n vec3(-1.0, -1.0, 1.0),\n vec3(1.0, 1.0, 1.0),\n vec3(-1.0, 1.0, 1.0)\n );\n\n var output : vertexOutput;\n\n var vertexVC: vec4 = rendererUBO.SCVCMatrix * mapperUBO.BCSCMatrix * vec4(vertexBC.xyz, 1.0);\n\n //VTK::Color::Impl\n\n // compute the projected vertex position\n output.centerVC = vertexVC.xyz;\n output.radiusVC = radiusMC;\n output.lengthVC = length(orientMC);\n output.orientVC = (rendererUBO.WCVCNormals * vec4(normalize(orientMC), 0.0)).xyz;\n\n // make sure it is pointing out of the screen\n if (output.orientVC.z < 0.0)\n {\n output.orientVC = -output.orientVC;\n }\n\n // make the basis\n var xbase: vec3;\n var ybase: vec3;\n var dir: vec3 = vec3(0.0,0.0,1.0);\n if (rendererUBO.cameraParallel == 0u)\n {\n dir = normalize(-vertexVC.xyz);\n }\n if (abs(dot(dir,output.orientVC)) == 1.0)\n {\n xbase = normalize(cross(vec3(0.0,1.0,0.0),output.orientVC));\n ybase = cross(xbase,output.orientVC);\n }\n else\n {\n xbase = normalize(cross(output.orientVC,dir));\n ybase = cross(output.orientVC,xbase);\n }\n\n\n var vertIdx: u32 = input.vertexIndex % 12u;\n var offsets: vec3 = offsetsArray[vertIdx];\n\n vertexVC = vec4(vertexVC.xyz +\n output.radiusVC * offsets.x * xbase +\n output.radiusVC * offsets.y * ybase +\n 0.5 * output.lengthVC * offsets.z * output.orientVC, 1.0);\n\n output.vertexVC = vertexVC;\n\n //VTK::Position::Impl\n\n return output;\n}\n";function ob(e,t){t.classHierarchy.push("vtkWebGPUStickMapper");const n=e.buildPass;e.buildPass=r=>{if(r){t.renderable.getStatic()||t.renderable.update();const n=t.renderable.getInputData();e.setCellArray(n.getVerts()),e.setCurrentInput(n)}n(r)},e.replaceShaderNormal=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.hasOutput("vertexVC")||r.addOutput("vec4","vertexVC"),r.addOutput("vec3","centerVC"),r.addOutput("vec3","orientVC"),r.addOutput("f32","radiusVC"),r.addOutput("f32","lengthVC"),r.addBuiltinInput("u32","@builtin(vertex_index) vertexIndex");const o=t.getShaderDescription("fragment");o.addBuiltinOutput("f32","@builtin(frag_depth) fragDepth");let a=o.getCode();a=Zm.substitute(a,"//VTK::Normal::Impl",["\n // compute the eye position and unit direction\n var vertexVC: vec4;\n var EyePos: vec3;\n var EyeDir: vec3;\n\n if (rendererUBO.cameraParallel != 0u)\n {\n EyePos = vec3(input.vertexVC.x, input.vertexVC.y, input.vertexVC.z + 3.0*input.radiusVC);\n EyeDir = vec3(0.0, 0.0, -1.0);\n }\n else\n {\n EyeDir = input.vertexVC.xyz;\n EyePos = vec3(0.0,0.0,0.0);\n var lengthED: f32 = length(EyeDir);\n EyeDir = normalize(EyeDir);\n // we adjust the EyePos to be closer if it is too far away\n // to prevent floating point precision noise\n if (lengthED > input.radiusVC*3.0)\n {\n EyePos = input.vertexVC.xyz - EyeDir*3.0*input.radiusVC;\n }\n }\n // translate to Sphere center\n EyePos = EyePos - input.centerVC;\n\n // rotate to new basis\n // base1, base2, orientVC\n var base1: vec3;\n if (abs(input.orientVC.z) < 0.99)\n {\n base1 = normalize(cross(input.orientVC,vec3(0.0,0.0,1.0)));\n }\n else\n {\n base1 = normalize(cross(input.orientVC,vec3(0.0,1.0,0.0)));\n }\n var base2: vec3 = cross(input.orientVC,base1);\n EyePos = vec3(dot(EyePos,base1),dot(EyePos,base2),dot(EyePos,input.orientVC));\n EyeDir = vec3(dot(EyeDir,base1),dot(EyeDir,base2),dot(EyeDir,input.orientVC));\n\n // scale to radius 1.0\n EyePos = EyePos * (1.0 / input.radiusVC);\n\n // find the intersection\n var a: f32 = EyeDir.x*EyeDir.x + EyeDir.y*EyeDir.y;\n var b: f32 = 2.0*(EyePos.x*EyeDir.x + EyePos.y*EyeDir.y);\n var c: f32 = EyePos.x*EyePos.x + EyePos.y*EyePos.y - 1.0;\n var d: f32 = b*b - 4.0*a*c;\n var normal: vec3 = vec3(0.0,0.0,1.0);\n if (d < 0.0) { discard; }\n else\n {\n var t: f32 = (-b - sqrt(d))*(0.5 / a);\n var tz: f32 = EyePos.z + t*EyeDir.z;\n var iPoint: vec3 = EyePos + t*EyeDir;\n if (abs(iPoint.z)*input.radiusVC > input.lengthVC*0.5)\n {\n // test for end cap\n var t2: f32 = (-b + sqrt(d))*(0.5 / a);\n var tz2: f32 = EyePos.z + t2*EyeDir.z;\n if (tz2*input.radiusVC > input.lengthVC*0.5 || tz*input.radiusVC < -0.5*input.lengthVC) { discard; }\n else\n {\n normal = input.orientVC;\n var t3: f32 = (input.lengthVC*0.5/input.radiusVC - EyePos.z)/EyeDir.z;\n iPoint = EyePos + t3*EyeDir;\n vertexVC = vec4(input.radiusVC*(iPoint.x*base1 + iPoint.y*base2 + iPoint.z*input.orientVC) + input.centerVC, 1.0);\n }\n }\n else\n {\n // The normal is the iPoint.xy rotated back into VC\n normal = iPoint.x*base1 + iPoint.y*base2;\n // rescale rerotate and translate\n vertexVC = vec4(input.radiusVC*(normal + iPoint.z*input.orientVC) + input.centerVC, 1.0);\n }\n }\n // compute the pixel's depth\n var pos: vec4 = rendererUBO.VCPCMatrix * vertexVC;\n output.fragDepth = pos.z / pos.w;\n "]).result,o.setCode(a)},e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position");let o=r.getCode();o=Zm.substitute(o,"//VTK::Position::Impl",[" output.Position = 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n=[3];$o(t.physicalViewNorth,t.physicalViewUp,n),e[0]=n[0],e[1]=n[1],e[2]=n[2],e[4]=t.physicalViewUp[0],e[5]=t.physicalViewUp[1],e[6]=t.physicalViewUp[2],e[8]=-t.physicalViewNorth[0],e[9]=-t.physicalViewNorth[1],e[10]=-t.physicalViewNorth[2],m(e,e),An(s,1/t.physicalScale,1/t.physicalScale,1/t.physicalScale),T(e,e,s),x(e,e,t.physicalTranslation)},e.computeViewParametersFromViewMatrix=i=>{h(a,i),Dn(s,n,a),e.computeDistance();const u=t.distance;e.setPosition(s[0],s[1],s[2]),Dn(l,r,a),wn(l,l,s),Rn(l,l),e.setDirectionOfProjection(l[0],l[1],l[2]),Dn(c,o,a),wn(c,c,s),Rn(c,c),e.setViewUp(c[0],c[1],c[2]),e.setDistance(u)},e.computeViewParametersFromPhysicalMatrix=t=>{e.getWorldToPhysicalMatrix(a),b(a,t,a),e.computeViewParametersFromViewMatrix(a)},e.setViewMatrix=n=>{t.viewMatrix=n,t.viewMatrix&&(d(a,t.viewMatrix),e.computeViewParametersFromViewMatrix(a),m(t.viewMatrix,t.viewMatrix))},e.getViewMatrix=()=>{if(t.viewMatrix)return t.viewMatrix;q(a,t.position,t.focalPoint,t.viewUp),m(a,a);const e=new Float64Array(16);return d(e,a),e},e.setProjectionMatrix=e=>{t.projectionMatrix=e},e.getProjectionMatrix=(e,n,r)=>{const o=new Float64Array(16);if(g(o),t.projectionMatrix){const e=1/t.physicalScale;return An(s,e,e,e),d(o,t.projectionMatrix),T(o,o,s),m(o,o),o}g(a);const i=t.clippingRange[1]-t.clippingRange[0],l=[t.clippingRange[0]+(n+1)*i/2,t.clippingRange[0]+(r+1)*i/2];if(t.parallelProjection){const n=t.parallelScale*e,r=t.parallelScale,o=(t.windowCenter[0]-1)*n,i=(t.windowCenter[0]+1)*n,s=(t.windowCenter[1]-1)*r,c=(t.windowCenter[1]+1)*r;K(a,o,i,s,c,l[0],l[1]),m(a,a)}else{if(t.useOffAxisProjection)throw new Error("Off-Axis projection is not supported at this time");{const n=Math.tan(Mo(t.viewAngle)/2);let r,o;!0===t.useHorizontalViewAngle?(r=t.clippingRange[0]*n,o=t.clippingRange[0]*n/e):(r=t.clippingRange[0]*n*e,o=t.clippingRange[0]*n);const i=(t.windowCenter[0]-1)*r,s=(t.windowCenter[0]+1)*r,c=(t.windowCenter[1]-1)*o,u=(t.windowCenter[1]+1)*o,d=l[0],p=l[1];a[0]=2*d/(s-i),a[5]=2*d/(u-c),a[2]=(i+s)/(s-i),a[6]=(c+u)/(u-c),a[10]=-(d+p)/(p-d),a[14]=-1,a[11]=-2*d*p/(p-d),a[15]=0}}return d(o,a),o},e.getCompositeProjectionMatrix=(t,n,r)=>{const o=e.getViewMatrix(),a=e.getProjectionMatrix(t,n,r);return b(a,o,a),a},e.setDirectionOfProjection=(e,n,r)=>{if(t.directionOfProjection[0]===e&&t.directionOfProjection[1]===n&&t.directionOfProjection[2]===r)return;t.directionOfProjection[0]=e,t.directionOfProjection[1]=n,t.directionOfProjection[2]=r;const o=t.directionOfProjection;t.focalPoint[0]=t.position[0]+o[0]*t.distance,t.focalPoint[1]=t.position[1]+o[1]*t.distance,t.focalPoint[2]=t.position[2]+o[2]*t.distance,y()},e.setDeviceAngles=(n,r,o,a)=>{const i=[3];$o(t.physicalViewNorth,t.physicalViewUp,i);const s=g(new Float64Array(16));C(s,s,Mo(n),t.physicalViewUp),C(s,s,Mo(r),i),C(s,s,Mo(o),t.physicalViewNorth),C(s,s,Mo(-a),t.physicalViewUp);const l=new Float64Array([-t.physicalViewUp[0],-t.physicalViewUp[1],-t.physicalViewUp[2]]),c=new Float64Array(t.physicalViewNorth);Dn(l,l,s),Dn(c,c,s),e.setDirectionOfProjection(l[0],l[1],l[2]),e.setViewUp(c[0],c[1],c[2]),e.modified()},e.setOrientationWXYZ=(t,n,r,o)=>{const a=g(new Float64Array(16));if(0!==t&&(0!==n||0!==r||0!==o)){const e=Mo(t),i=Ui();zi(i,[n,r,o],e),_(a,i)}const i=new Float64Array(3);Dn(i,[0,0,-1],a);const s=new Float64Array(3);Dn(s,[0,1,0],a),e.setDirectionOfProjection(...i),e.setViewUp(...s),e.modified()},e.computeClippingRange=e=>{let n=null,r=null;n=t.viewPlaneNormal,r=t.position;const o=-n[0],a=-n[1],i=-n[2],s=-(o*r[0]+a*r[1]+i*r[2]),l=[o*e[0]+a*e[2]+i*e[4]+s,1e-18];for(let t=0;t<2;t++)for(let n=0;n<2;n++)for(let r=0;r<2;r++){const c=o*e[r]+a*e[2+n]+i*e[4+t]+s;l[0]=cl[1]?c:l[1]}return l}}const jb={position:[0,0,1],focalPoint:[0,0,0],viewUp:[0,1,0],directionOfProjection:[0,0,-1],parallelProjection:!1,useHorizontalViewAngle:!1,viewAngle:30,parallelScale:1,clippingRange:[.01,1000.01],windowCenter:[0,0],viewPlaneNormal:[0,0,1],useOffAxisProjection:!1,screenBottomLeft:[-.5,-.5,-.5],screenBottomRight:[.5,-.5,-.5],screenTopRight:[.5,.5,-.5],freezeFocalPoint:!1,projectionMatrix:null,viewMatrix:null,cameraLightTransform:c(),physicalTranslation:[0,0,0],physicalScale:1,physicalViewUp:[0,1,0],physicalViewNorth:[0,0,-1]};function Kb(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,jb,n),jt.obj(e,t),jt.get(e,t,["distance"]),jt.setGet(e,t,["parallelProjection","useHorizontalViewAngle","viewAngle","parallelScale","useOffAxisProjection","freezeFocalPoint","physicalScale"]),jt.getArray(e,t,["directionOfProjection","viewPlaneNormal","position","focalPoint"]),jt.setGetArray(e,t,["clippingRange","windowCenter"],2),jt.setGetArray(e,t,["viewUp","screenBottomLeft","screenBottomRight","screenTopRight","physicalTranslation","physicalViewUp","physicalViewNorth"],3),Hb(e,t)}var $b={newInstance:jt.newInstance(Kb,"vtkCamera"),extend:Kb};function qb(e,t){t.classHierarchy.push("vtkLight");const n=new Float64Array(3);e.getTransformedPosition=()=>(t.transformMatrix?Dn(n,t.position,t.transformMatrix):An(n,t.position[0],t.position[1],t.position[2]),n),e.getTransformedFocalPoint=()=>(t.transformMatrix?Dn(n,t.focalPoint,t.transformMatrix):An(n,t.focalPoint[0],t.focalPoint[1],t.focalPoint[2]),n),e.getDirection=()=>(t.directionMTime{const n=new Float64Array(3);kn(n,t.position,e),t.focalPoint=n},e.setDirectionAngle=(t,n)=>{const r=Mo(t),o=Mo(n);e.setPosition(Math.cos(r)*Math.sin(o),Math.sin(r),Math.cos(r)*Math.cos(o)),e.setFocalPoint(0,0,0),e.setPositional(0)},e.setLightTypeToHeadLight=()=>{e.setLightType("HeadLight")},e.setLightTypeToCameraLight=()=>{e.setLightType("CameraLight")},e.setLightTypeToSceneLight=()=>{e.setTransformMatrix(null),e.setLightType("SceneLight")},e.lightTypeIsHeadLight=()=>"HeadLight"===t.lightType,e.lightTypeIsSceneLight=()=>"SceneLight"===t.lightType,e.lightTypeIsCameraLight=()=>"CameraLight"===t.lightType}const Xb={switch:!0,intensity:1,color:[1,1,1],position:[0,0,1],focalPoint:[0,0,0],positional:!1,exponent:1,coneAngle:30,coneFalloff:5,attenuationValues:[1,0,0],transformMatrix:null,lightType:"SceneLight",shadowAttenuation:1,direction:[0,0,0],directionMTime:0};function Yb(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Xb,n),jt.obj(e,t),jt.setGet(e,t,["intensity","switch","positional","exponent","coneAngle","coneFalloff","transformMatrix","lightType","shadowAttenuation","attenuationValues"]),jt.setGetArray(e,t,["color","position","focalPoint","attenuationValues"],3),qb(e,t)}var Zb={newInstance:jt.newInstance(Yb,"vtkLight"),extend:Yb,LIGHT_TYPES:["HeadLight","CameraLight","SceneLight"]};const{vtkErrorMacro:Qb}=jt;function Jb(e,t){function n(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];t.push(e);const r=e.getNestedProps();if(r&&r.length)for(let e=0;et.props,e.hasViewProp=e=>t.props.includes(e),e.addViewProp=n=>{n&&!e.hasViewProp(n)&&t.props.push(n)},e.removeViewProp=e=>{const n=t.props.filter((t=>t!==e));t.props.length!==n.length&&(t.props=n)},e.removeAllViewProps=()=>{t.props=[]},e.getViewPropsWithNestedProps=()=>{const e=[];for(let r=0;r{e.removeViewProp(t)},e.getActors2D=()=>(t.actors2D=[],t.props.forEach((e=>{t.actors2D=t.actors2D.concat(e.getActors2D())})),t.actors2D),e.displayToView=()=>Qb("call displayToView on your view instead"),e.viewToDisplay=()=>Qb("callviewtodisplay on your view instead"),e.getSize=()=>Qb("call getSize on your View instead"),e.normalizedDisplayToProjection=(t,n,r)=>{const o=e.normalizedDisplayToNormalizedViewport(t,n,r);return e.normalizedViewportToProjection(o[0],o[1],o[2])},e.normalizedDisplayToNormalizedViewport=(e,n,r)=>{const o=[t.viewport[2]-t.viewport[0],t.viewport[3]-t.viewport[1]];return[(e-t.viewport[0])/o[0],(n-t.viewport[1])/o[1],r]},e.normalizedViewportToProjection=(e,t,n)=>[2*e-1,2*t-1,2*n-1],e.projectionToNormalizedDisplay=(t,n,r)=>{const o=e.projectionToNormalizedViewport(t,n,r);return e.normalizedViewportToNormalizedDisplay(o[0],o[1],o[2])},e.normalizedViewportToNormalizedDisplay=(e,n,r)=>{const o=[t.viewport[2]-t.viewport[0],t.viewport[3]-t.viewport[1]];return[e*o[0]+t.viewport[0],n*o[1]+t.viewport[1],r]},e.projectionToNormalizedViewport=(e,t,n)=>[.5*(e+1),.5*(t+1),.5*(n+1)],e.PickPropFrom=("PickPropFrom",()=>Qb("vtkViewport::PickPropFrom - NOT IMPLEMENTED"))}const ex={background:[0,0,0],background2:[.2,.2,.2],gradientBackground:!1,viewport:[0,0,1,1],aspect:[1,1],pixelAspect:[1,1],props:[],actors2D:[]};function tx(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ex,n),jt.obj(e,t),jt.event(e,t,"event"),jt.setGetArray(e,t,["viewport"],4),jt.setGetArray(e,t,["background","background2"],3),Jb(e,t)}var nx={newInstance:jt.newInstance(tx,"vtkViewport"),extend:tx};const{vtkDebugMacro:rx,vtkErrorMacro:ox,vtkWarningMacro:ax}=Kt;function ix(e){return()=>ox(`vtkRenderer::${e} - NOT IMPLEMENTED`)}function sx(e,t){t.classHierarchy.push("vtkRenderer");const n={type:"ComputeVisiblePropBoundsEvent",renderer:e},r={type:"ResetCameraClippingRangeEvent",renderer:e},o={type:"ResetCameraEvent",renderer:e};e.updateCamera=()=>(t.activeCamera||(rx("No cameras are on, creating one."),e.getActiveCameraAndResetIfCreated()),t.activeCamera.render(e),!0),e.updateLightsGeometryToFollowCamera=()=>{const n=e.getActiveCameraAndResetIfCreated();t.lights.forEach((e=>{e.lightTypeIsSceneLight()||(e.lightTypeIsHeadLight()?(e.setPositionFrom(n.getPositionByReference()),e.setFocalPointFrom(n.getFocalPointByReference()),e.modified(n.getMTime())):e.lightTypeIsCameraLight()?e.setTransformMatrix(n.getCameraLightTransformMatrix(c())):ox("light has unknown light type",e.get()))}))},e.updateLightGeometry=()=>!t.lightFollowCamera||e.updateLightsGeometryToFollowCamera(),e.allocateTime=ix("allocateTime"),e.updateGeometry=ix("updateGeometry"),e.getVTKWindow=()=>t._renderWindow,e.setLayer=n=>{rx(e.getClassName(),e,"setting Layer to ",n),t.layer!==n&&(t.layer=n,e.modified()),e.setPreserveColorBuffer(!!n)},e.setActiveCamera=n=>t.activeCamera!==n&&(t.activeCamera=n,e.modified(),e.invokeEvent({type:"ActiveCameraEvent",camera:n}),!0),e.makeCamera=()=>{const t=$b.newInstance();return e.invokeEvent({type:"CreateCameraEvent",camera:t}),t},e.getActiveCamera=()=>(t.activeCamera||(t.activeCamera=e.makeCamera()),t.activeCamera),e.getActiveCameraAndResetIfCreated=()=>(t.activeCamera||(e.getActiveCamera(),e.resetCamera()),t.activeCamera),e.getActors=()=>(t.actors=[],t.props.forEach((e=>{t.actors=t.actors.concat(e.getActors())})),t.actors),e.addActor=e.addViewProp,e.removeActor=n=>{t.actors=t.actors.filter((e=>e!==n)),e.removeViewProp(n),e.modified()},e.removeAllActors=()=>{e.getActors().forEach((t=>{e.removeViewProp(t)})),t.actors=[],e.modified()},e.getVolumes=()=>(t.volumes=[],t.props.forEach((e=>{t.volumes=t.volumes.concat(e.getVolumes())})),t.volumes),e.addVolume=e.addViewProp,e.removeVolume=n=>{t.volumes=t.volumes.filter((e=>e!==n)),e.removeViewProp(n),e.modified()},e.removeAllVolumes=()=>{e.getVolumes().forEach((t=>{e.removeViewProp(t)})),t.volumes=[],e.modified()},e.hasLight=e=>t.lights.includes(e),e.addLight=n=>{n&&!e.hasLight(n)&&(t.lights.push(n),e.modified())},e.removeLight=n=>{t.lights=t.lights.filter((e=>e!==n)),e.modified()},e.removeAllLights=()=>{t.lights=[],e.modified()},e.setLightCollection=n=>{t.lights=n,e.modified()},e.makeLight=Zb.newInstance,e.createLight=()=>{t.automaticLightCreation&&(t._createdLight&&(e.removeLight(t._createdLight),t._createdLight.delete(),t._createdLight=null),t._createdLight=e.makeLight(),e.addLight(t._createdLight),t._createdLight.setLightTypeToHeadLight(),t._createdLight.setPosition(e.getActiveCamera().getPosition()),t._createdLight.setFocalPoint(e.getActiveCamera().getFocalPoint()))},e.normalizedDisplayToWorld=(t,n,r,o)=>{let a=e.normalizedDisplayToProjection(t,n,r);return a=e.projectionToView(a[0],a[1],a[2],o),e.viewToWorld(a[0],a[1],a[2])},e.worldToNormalizedDisplay=(t,n,r,o)=>{let a=e.worldToView(t,n,r);return a=e.viewToProjection(a[0],a[1],a[2],o),e.projectionToNormalizedDisplay(a[0],a[1],a[2])},e.viewToWorld=(e,n,r)=>{if(null===t.activeCamera)return ox("ViewToWorld: no active camera, cannot compute view to world, returning 0,0,0"),[0,0,0];const o=t.activeCamera.getViewMatrix();h(o,o),m(o,o);const a=new Float64Array([e,n,r]);return Dn(a,a,o),a},e.projectionToView=(e,n,r,o)=>{if(null===t.activeCamera)return ox("ProjectionToView: no active camera, cannot compute projection to view, returning 0,0,0"),[0,0,0];const a=t.activeCamera.getProjectionMatrix(o,-1,1);h(a,a),m(a,a);const i=new Float64Array([e,n,r]);return Dn(i,i,a),i},e.worldToView=(e,n,r)=>{if(null===t.activeCamera)return ox("WorldToView: no active camera, cannot compute view to world, returning 0,0,0"),[0,0,0];const o=t.activeCamera.getViewMatrix();m(o,o);const a=new Float64Array([e,n,r]);return Dn(a,a,o),a},e.viewToProjection=(e,n,r,o)=>{if(null===t.activeCamera)return ox("ViewToProjection: no active camera, cannot compute view to projection, returning 0,0,0"),[0,0,0];const a=t.activeCamera.getProjectionMatrix(o,-1,1);m(a,a);const i=new Float64Array([e,n,r]);return Dn(i,i,a),i},e.computeVisiblePropBounds=()=>{t.allBounds[0]=Fi.INIT_BOUNDS[0],t.allBounds[1]=Fi.INIT_BOUNDS[1],t.allBounds[2]=Fi.INIT_BOUNDS[2],t.allBounds[3]=Fi.INIT_BOUNDS[3],t.allBounds[4]=Fi.INIT_BOUNDS[4],t.allBounds[5]=Fi.INIT_BOUNDS[5];let r=!0;e.invokeEvent(n);for(let e=0;et.allBounds[1]&&(t.allBounds[1]=e[1]),e[2]t.allBounds[3]&&(t.allBounds[3]=e[3]),e[4]t.allBounds[5]&&(t.allBounds[5]=e[5]))}}return r&&(wa(t.allBounds),rx("Can't compute bounds, no 3D props are visible")),t.allBounds},e.resetCamera=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null;const r=n||e.computeVisiblePropBounds(),a=[0,0,0];if(!Oa(r))return rx("Cannot reset camera!"),!1;let i=null;if(!e.getActiveCamera())return ox("Trying to reset non-existent camera"),!1;i=t.activeCamera.getViewPlaneNormal(),t.activeCamera.setViewAngle(30),a[0]=(r[0]+r[1])/2,a[1]=(r[2]+r[3])/2,a[2]=(r[4]+r[5])/2;let s=r[1]-r[0],l=r[3]-r[2],c=r[5]-r[4];s*=s,l*=l,c*=c;let u=s+l+c;u=0===u?1:u,u=.5*Math.sqrt(u);const d=Mo(t.activeCamera.getViewAngle()),p=u,f=u/Math.sin(.5*d),g=t.activeCamera.getViewUp();return Math.abs(Ko(g,i))>.999&&(ax("Resetting view-up since view plane normal is parallel"),t.activeCamera.setViewUp(-g[2],g[0],g[1])),t.activeCamera.setFocalPoint(a[0],a[1],a[2]),t.activeCamera.setPosition(a[0]+f*i[0],a[1]+f*i[1],a[2]+f*i[2]),e.resetCameraClippingRange(r),t.activeCamera.setParallelScale(p),t.activeCamera.setPhysicalScale(u),t.activeCamera.setPhysicalTranslation(-a[0],-a[1],-a[2]),e.invokeEvent(o),!0},e.resetCameraClippingRange=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null;const o=n||e.computeVisiblePropBounds();if(!Oa(o))return rx("Cannot reset camera clipping range!"),!1;if(e.getActiveCameraAndResetIfCreated(),!t.activeCamera)return ox("Trying to reset clipping range of non-existent camera"),!1;const a=t.activeCamera.computeClippingRange(o);let i=0;if(t.activeCamera.getParallelProjection())i=.2*t.activeCamera.getParallelScale();else{const e=Mo(t.activeCamera.getViewAngle());i=.2*Math.tan(e/2)*a[1]}return a[1]-a[0]=a[1]?.01*a[1]:a[0],t.nearClippingPlaneTolerance||(t.nearClippingPlaneTolerance=.01),a[0]{e!==t._renderWindow&&(t._vtkWindow=e,t._renderWindow=e)},e.visibleActorCount=()=>t.props.filter((e=>e.getVisibility())).length,e.visibleVolumeCount=e.visibleActorCount,e.getMTime=()=>{let e=t.mtime;const n=t.activeCamera?t.activeCamera.getMTime():0;n>e&&(e=n);const r=t._createdLight?t._createdLight.getMTime():0;return r>e&&(e=r),e},e.getTransparent=()=>!!t.preserveColorBuffer,e.isActiveCameraCreated=()=>!!t.activeCamera}const lx={pickedProp:null,activeCamera:null,allBounds:[],ambient:[1,1,1],allocatedRenderTime:100,timeFactor:1,automaticLightCreation:!0,twoSidedLighting:!0,lastRenderTimeInSeconds:-1,renderWindow:null,lights:[],actors:[],volumes:[],lightFollowCamera:!0,numberOfPropsRendered:0,propArray:null,pathArray:null,layer:0,preserveColorBuffer:!1,preserveDepthBuffer:!1,computeVisiblePropBounds:Na(),interactive:!0,nearClippingPlaneTolerance:0,clippingRangeExpansion:.05,erase:!0,draw:!0,useShadows:!1,useDepthPeeling:!1,occlusionRatio:0,maximumNumberOfPeels:4,selector:null,delegate:null,texturedBackground:!1,backgroundTexture:null,environmentTexture:null,environmentTextureDiffuseStrength:1,environmentTextureSpecularStrength:1,useEnvironmentTextureAsBackground:!1,pass:0};function cx(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};for(Object.assign(t,lx,n),nx.extend(e,t,n),t.background||(t.background=[0,0,0,1]);t.background.length<3;)t.background.push(0);3===t.background.length&&t.background.push(1),xt(e,t,["_renderWindow","allocatedRenderTime","timeFactor","lastRenderTimeInSeconds","numberOfPropsRendered","lastRenderingUsedDepthPeeling","selector"]),Pt(e,t,["twoSidedLighting","lightFollowCamera","automaticLightCreation","erase","draw","nearClippingPlaneTolerance","clippingRangeExpansion","backingStore","interactive","layer","preserveColorBuffer","preserveDepthBuffer","useDepthPeeling","occlusionRatio","maximumNumberOfPeels","delegate","backgroundTexture","texturedBackground","environmentTexture","environmentTextureDiffuseStrength","environmentTextureSpecularStrength","useEnvironmentTextureAsBackground","useShadows","pass"]),At(e,t,["actors","volumes","lights"]),wt(e,t,["background"],4,1),Ot(0,t,["renderWindow"]),sx(e,t)}var ux={newInstance:Et(cx,"vtkRenderer"),extend:cx};const dx=Object.create(null);function px(e,t){dx[e]=t}function fx(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return dx[e]&&dx[e](t)}function gx(e,t){t.classHierarchy.push("vtkRenderWindow"),e.addRenderer=n=>{e.hasRenderer(n)||(n.setRenderWindow(e),t.renderers.push(n),e.modified())},e.removeRenderer=n=>{t.renderers=t.renderers.filter((e=>e!==n)),e.modified()},e.hasRenderer=e=>-1!==t.renderers.indexOf(e),e.newAPISpecificView=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return fx(e||t.defaultViewAPI,n)},e.addView=n=>{e.hasView(n)||(n.setRenderable(e),t._views.push(n),e.modified())},e.removeView=n=>{t._views=t._views.filter((e=>e!==n)),e.modified()},e.hasView=e=>-1!==t._views.indexOf(e),e.preRender=()=>{t.renderers.forEach((e=>{e.isActiveCameraCreated()||e.resetCamera()}))},e.render=()=>{e.preRender(),t.interactor?t.interactor.render():t._views.forEach((e=>e.traverseAllPasses()))},e.getStatistics=()=>{const e={propCount:0,invisiblePropCount:0,gpuMemoryMB:0};return t._views.forEach((t=>{e.gpuMemoryMB+=t.getGraphicsMemoryInfo()/1e6})),t.renderers.forEach((n=>{const r=n.getViewProps(),o=t._views[0].getViewNodeFor(n);r.forEach((t=>{if(t.getVisibility()){e.propCount+=1;const n=t.getMapper&&t.getMapper();if(n&&n.getPrimitiveCount){const t=o.getViewNodeFor(n);if(t){e.gpuMemoryMB+=t.getAllocatedGPUMemoryInBytes()/1e6;const r=n.getPrimitiveCount();Object.keys(r).forEach((t=>{e[t]||(e[t]=0),e[t]+=r[t]}))}}}else e.invisiblePropCount+=1}))})),e.str=Object.keys(e).map((t=>`${t}: ${e[t]}`)).join("\n"),e},e.captureImages=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"image/png",r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return jt.setImmediate(e.render),t._views.map((e=>e.captureNextImage?e.captureNextImage(n,r):void 0)).filter((e=>!!e))}}const mx={defaultViewAPI:"WebGL",renderers:[],views:[],interactor:null,neverRendered:!0,numberOfLayers:1};function hx(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,mx,n),jt.obj(e,t),jt.setGet(e,t,["interactor","numberOfLayers","_views","defaultViewAPI"]),jt.get(e,t,["neverRendered"]),jt.getArray(e,t,["renderers"]),jt.moveToProtected(e,t,["views"]),jt.event(e,t,"completion"),gx(e,t)}var vx={newInstance:jt.newInstance(hx,"vtkRenderWindow"),extend:hx,registerViewConstructor:px,listViewAPIs:function(){return Object.keys(dx)},newAPISpecificView:fx};const yx={Unknown:0,LeftController:1,RightController:2},bx={Unknown:0,Trigger:1,TrackPad:2,Grip:3,Thumbstick:4,A:5,B:6,ApplicationMenu:7};var xx={Device:yx,Input:bx,Axis:{Unknown:0,TouchpadX:1,TouchpadY:2,ThumbstickX:3,ThumbstickY:4}};const{Device:Tx,Input:Cx}=xx,{vtkWarningMacro:Sx,vtkErrorMacro:Px,normalizeWheel:Ax,vtkOnceErrorMacro:Ix}=jt,wx={ctrlKey:!1,altKey:!1,shiftKey:!1},Ox={"xr-standard":[Cx.Trigger,Cx.Grip,Cx.TrackPad,Cx.Thumbstick,Cx.A,Cx.B]},Mx=["StartAnimation","Animation","EndAnimation","PointerEnter","PointerLeave","MouseEnter","MouseLeave","StartMouseMove","MouseMove","EndMouseMove","LeftButtonPress","LeftButtonRelease","MiddleButtonPress","MiddleButtonRelease","RightButtonPress","RightButtonRelease","KeyPress","KeyDown","KeyUp","StartMouseWheel","MouseWheel","EndMouseWheel","StartPinch","Pinch","EndPinch","StartPan","Pan","EndPan","StartRotate","Rotate","EndRotate","Button3D","Move3D","StartPointerLock","EndPointerLock","StartInteraction","Interaction","EndInteraction","AnimationFrameRateUpdate"];function Rx(e){e.cancelable&&e.preventDefault()}function Vx(e){const t=Object.create(null);return e.forEach((e=>{let{pointerId:n,position:r}=e;t[n]=r})),t}function Ex(e,t){t.classHierarchy.push("vtkRenderWindowInteractor");const n=new Set,r=new Map;let o=1;function a(n,r){t._forcedRenderer||(t.currentRenderer=e.findPokedRenderer(n,r))}e.start=()=>{(t.initialized||(e.initialize(),t.initialized))&&e.startEventLoop()},e.setRenderWindow=e=>{Px("you want to call setView(view) instead of setRenderWindow on a vtk.js interactor")},e.setInteractorStyle=n=>{t.interactorStyle!==n&&(null!=t.interactorStyle&&t.interactorStyle.setInteractor(null),t.interactorStyle=n,null!=t.interactorStyle&&t.interactorStyle.getInteractor()!==e&&t.interactorStyle.setInteractor(e))},e.initialize=()=>{t.initialized=!0,e.enable(),e.render()},e.enable=()=>e.setEnabled(!0),e.disable=()=>e.setEnabled(!1),e.startEventLoop=()=>Sx("empty event loop"),e.getCurrentRenderer=()=>(t.currentRenderer||a(0,0),t.currentRenderer);const i=t._getScreenEventPositionFor||function(e){const n=t._view.getCanvas(),o=n.getBoundingClientRect(),i=n.width/o.width,s=n.height/o.height,l={x:i*(e.clientX-o.left),y:s*(o.height-e.clientY+o.top),z:0};return(r.size<=1||!t.currentRenderer)&&a(l.x,l.y),l};function s(e){return{controlKey:e.ctrlKey,altKey:e.altKey,shiftKey:e.shiftKey}}function l(e){const t=s(e);return{key:e.key,keyCode:e.charCode,...t}}function c(e){return e.pointerType||""}function u(){t._view&&t.enabled&&t.enableRender&&(t.inRender=!0,t._view.traverseAllPasses(),t.inRender=!1),e.invokeRenderEvent()}e.bindEvents=n=>{t.container=n,n.addEventListener("contextmenu",Rx),n.addEventListener("wheel",e.handleWheel),n.addEventListener("DOMMouseScroll",e.handleWheel),n.addEventListener("pointerenter",e.handlePointerEnter),n.addEventListener("pointerleave",e.handlePointerLeave),n.addEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.addEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.addEventListener("pointerup",e.handlePointerUp),n.addEventListener("pointercancel",e.handlePointerCancel),document.addEventListener("keypress",e.handleKeyPress),document.addEventListener("keydown",e.handleKeyDown),document.addEventListener("keyup",e.handleKeyUp),document.addEventListener("pointerlockchange",e.handlePointerLockChange),n.style.touchAction="none",n.style.userSelect="none",n.style.webkitTapHighlightColor="rgba(0,0,0,0)"},e.unbindEvents=()=>{const{container:n}=t;n.removeEventListener("contextmenu",Rx),n.removeEventListener("wheel",e.handleWheel),n.removeEventListener("DOMMouseScroll",e.handleWheel),n.removeEventListener("pointerenter",e.handlePointerEnter),n.removeEventListener("pointerleave",e.handlePointerLeave),n.removeEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.removeEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.removeEventListener("pointerup",e.handlePointerUp),n.removeEventListener("pointercancel",e.handlePointerCancel),document.removeEventListener("keypress",e.handleKeyPress),document.removeEventListener("keydown",e.handleKeyDown),document.removeEventListener("keyup",e.handleKeyUp),document.removeEventListener("pointerlockchange",e.handlePointerLockChange),t.container=null,r.clear()},e.handleKeyPress=t=>{const n=l(t);e.keyPressEvent(n)},e.handleKeyDown=t=>{const n=l(t);e.keyDownEvent(n)},e.handleKeyUp=t=>{const n=l(t);e.keyUpEvent(n)},e.handlePointerEnter=t=>{const n={...s(t),position:i(t),deviceType:c(t)};e.pointerEnterEvent(n),"mouse"===n.deviceType&&e.mouseEnterEvent(n)},e.handlePointerLeave=t=>{const n={...s(t),position:i(t),deviceType:c(t)};e.pointerLeaveEvent(n),"mouse"===n.deviceType&&e.mouseLeaveEvent(n)},e.handlePointerDown=n=>{if(!(n.button>2||e.isPointerLocked()))switch(t.preventDefaultOnPointerDown&&Rx(n),n.target.hasPointerCapture(n.pointerId)&&n.target.releasePointerCapture(n.pointerId),t.container.setPointerCapture(n.pointerId),r.has(n.pointerId)&&Sx("[RenderWindowInteractor] duplicate pointerId 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pressed: ${t.button}`)}},e.requestPointerLock=()=>{t.container&&t.container.requestPointerLock()},e.exitPointerLock=()=>document.exitPointerLock?.(),e.isPointerLocked=()=>!!t.container&&document.pointerLockElement===t.container,e.handlePointerLockChange=()=>{e.isPointerLocked()?e.startPointerLockEvent():e.endPointerLockEvent()},e.requestAnimation=r=>{void 0!==r?n.has(r)?Sx("requester is already registered for animating"):(n.add(r),t.animationRequest||1!==n.size||t.xrAnimation||(t._animationStartTime=Date.now(),t._animationFrameCount=0,t.animationRequest=requestAnimationFrame(e.handleAnimation),e.startAnimationEvent())):Px("undefined requester, can not start animating")},e.extendAnimation=r=>{const o=Date.now()+r;t._animationExtendedEnd=Math.max(t._animationExtendedEnd,o),t.animationRequest||0!==n.size||t.xrAnimation||(t._animationStartTime=Date.now(),t._animationFrameCount=0,t.animationRequest=requestAnimationFrame(e.handleAnimation),e.startAnimationEvent())},e.isAnimating=()=>t.xrAnimation||null!==t.animationRequest,e.cancelAnimation=function(r){let o=arguments.length>1&&void 0!==arguments[1]&&arguments[1];if(n.has(r))n.delete(r),t.animationRequest&&0===n.size&&Date.now()>t._animationExtendedEnd&&(cancelAnimationFrame(t.animationRequest),t.animationRequest=null,e.endAnimationEvent(),e.render());else if(!o){const e=r&&r.getClassName?r.getClassName():r;Sx(`${e} did not request an animation`)}},e.switchToXRAnimation=()=>{t.animationRequest&&(cancelAnimationFrame(t.animationRequest),t.animationRequest=null),t.xrAnimation=!0},e.returnFromXRAnimation=()=>{t.xrAnimation=!1,0!==n.size&&(t.recentAnimationFrameRate=10,t.animationRequest=requestAnimationFrame(e.handleAnimation))},e.updateXRGamepads=(n,r,o)=>{n.inputSources.forEach((n=>{const a=null==n.gripSpace?null:r.getPose(n.gripSpace,o),i=n.gamepad,s=n.handedness;if(i){i.index in t.lastGamepadValues||(t.lastGamepadValues[i.index]={left:{buttons:{}},right:{buttons:{}},none:{buttons:{}}});for(let r=0;r{const r={...s(n),position:i(n),deviceType:c(n)};0===t.moveTimeoutID?e.startMouseMoveEvent(r):(e.mouseMoveEvent(r),clearTimeout(t.moveTimeoutID)),t.moveTimeoutID=setTimeout((()=>{e.endMouseMoveEvent(),t.moveTimeoutID=0}),200)},e.handleAnimation=()=>{const r=Date.now();t._animationFrameCount++,r-t._animationStartTime>1e3&&t._animationFrameCount>1&&(t.recentAnimationFrameRate=1e3*(t._animationFrameCount-1)/(r-t._animationStartTime),t.lastFrameTime=1/t.recentAnimationFrameRate,e.animationFrameRateUpdateEvent(),t._animationStartTime=r,t._animationFrameCount=1),e.animationEvent(),u(),n.size>0||Date.now(){Rx(n);const r={...Ax(n),...s(n),position:i(n),deviceType:c(n)};0===t.wheelTimeoutID&&(o=Math.abs(r.spinY)>=.3?Math.abs(r.spinY):1),r.spinY/=o,0===t.wheelTimeoutID?(e.startMouseWheelEvent(r),e.mouseWheelEvent(r)):(e.mouseWheelEvent(r),clearTimeout(t.wheelTimeoutID)),t.mouseScrollDebounceByPass?(e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0):t.wheelTimeoutID=setTimeout((()=>{e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0}),200)},e.handleMouseUp=t=>{const n={...s(t),position:i(t),deviceType:c(t)};switch(t.button){case 0:e.leftButtonReleaseEvent(n);break;case 1:e.middleButtonReleaseEvent(n);break;case 2:e.rightButtonReleaseEvent(n);break;default:Px(`Unknown mouse button released: ${t.button}`)}},e.handleTouchStart=n=>{const o=[...r.values()];if(t.recognizeGestures&&o.length>1){const t=Vx(r);if(2===o.length){const t={...s(wx),position:o[0].position,deviceType:c(n)};e.leftButtonReleaseEvent(t)}e.recognizeGesture("TouchStart",t)}else if(1===o.length){const t={...s(wx),position:i(n),deviceType:c(n)};e.leftButtonPressEvent(t)}},e.handleTouchMove=n=>{const o=[...r.values()];if(t.recognizeGestures&&o.length>1){const t=Vx(r);e.recognizeGesture("TouchMove",t)}else if(1===o.length){const t={...s(wx),position:o[0].position,deviceType:c(n)};e.mouseMoveEvent(t)}},e.handleTouchEnd=n=>{const o=[...r.values()];if(t.recognizeGestures)if(0===o.length){const t={...s(wx),position:i(n),deviceType:c(n)};e.leftButtonReleaseEvent(t)}else if(1===o.length){const t=Vx(r);e.recognizeGesture("TouchEnd",t);const a={...s(wx),position:o[0].position,deviceType:c(n)};e.leftButtonPressEvent(a)}else{const t=Vx(r);e.recognizeGesture("TouchMove",t)}else if(1===o.length){const t={...s(wx),position:o[0].position,deviceType:c(n)};e.leftButtonReleaseEvent(t)}},e.setView=n=>{t._view!==n&&(t._view=n,t._view.getRenderable().setInteractor(e),e.modified())},e.getFirstRenderer=()=>t._view?.getRenderable()?.getRenderersByReference()?.[0],e.findPokedRenderer=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;if(!t._view)return null;const r=t._view?.getRenderable()?.getRenderers();if(!r||0===r.length)return null;r.sort(((e,t)=>e.getLayer()-t.getLayer()));let o=null,a=null,i=null,s=r.length;for(;s--;){const l=r[s];if(t._view.isInViewport(e,n,l)&&l.getInteractive()){i=l;break}null===o&&l.getInteractive()&&(o=l),null===a&&t._view.isInViewport(e,n,l)&&(a=l)}return null===i&&(i=o),null===i&&(i=a),null==i&&(i=r[0]),i},e.render=()=>{e.isAnimating()||t.inRender||u()},Mx.forEach((n=>{const r=n.charAt(0).toLowerCase()+n.slice(1);e[`${r}Event`]=r=>{if(!t.enabled)return;if(!e.getCurrentRenderer())return void Ix("\n Can not forward events without a current renderer on the interactor.\n ");const o={type:n,pokedRenderer:t.currentRenderer,firstRenderer:e.getFirstRenderer(),...r};e[`invoke${n}`](o)}})),e.recognizeGesture=(n,r)=>{if(Object.keys(r).length>2)return;if(t.startingEventPositions||(t.startingEventPositions={}),"TouchStart"===n)return Object.keys(r).forEach((e=>{t.startingEventPositions[e]=r[e]})),void(t.currentGesture="Start");if("TouchEnd"===n)return"Pinch"===t.currentGesture&&(e.render(),e.endPinchEvent()),"Rotate"===t.currentGesture&&(e.render(),e.endRotateEvent()),"Pan"===t.currentGesture&&(e.render(),e.endPanEvent()),t.currentGesture="Start",void(t.startingEventPositions={});let o=0;const a=[],i=[];Object.keys(r).forEach((e=>{a[o]=r[e],i[o]=t.startingEventPositions[e],o++}));const s=Math.sqrt((i[0].x-i[1].x)*(i[0].x-i[1].x)+(i[0].y-i[1].y)*(i[0].y-i[1].y)),l=Math.sqrt((a[0].x-a[1].x)*(a[0].x-a[1].x)+(a[0].y-a[1].y)*(a[0].y-a[1].y));let c=Ro(Math.atan2(i[1].y-i[0].y,i[1].x-i[0].x)),u=Ro(Math.atan2(a[1].y-a[0].y,a[1].x-a[0].x)),d=u-c;u=u+180>=360?u-180:u+180,c=c+180>=360?c-180:c+180,Math.abs(u-c)n&&o>a&&o>i){t.currentGesture="Pinch";const n={scale:1,touches:r};e.startPinchEvent(n)}else if(a>n&&a>i){t.currentGesture="Rotate";const n={rotation:0,touches:r};e.startRotateEvent(n)}else if(i>n){t.currentGesture="Pan";const n={translation:[0,0],touches:r};e.startPanEvent(n)}}else{if("Rotate"===t.currentGesture){const t={rotation:d,touches:r};e.rotateEvent(t)}if("Pinch"===t.currentGesture){const t={scale:l/s,touches:r};e.pinchEvent(t)}if("Pan"===t.currentGesture){const t={translation:p,touches:r};e.panEvent(t)}}},e.handleVisibilityChange=()=>{t._animationStartTime=Date.now(),t._animationFrameCount=0},e.setCurrentRenderer=e=>{t._forcedRenderer=!!e,t.currentRenderer=e};const d=e.delete;e.delete=()=>{for(;n.size;)e.cancelAnimation(n.values().next().value);void 0!==document.hidden&&document.removeEventListener("visibilitychange",e.handleVisibilityChange),t.container&&e.unbindEvents(),d()},void 0!==document.hidden&&document.addEventListener("visibilitychange",e.handleVisibilityChange,!1)}const Dx={renderWindow:null,interactorStyle:null,picker:null,pickingManager:null,initialized:!1,enabled:!1,enableRender:!0,currentRenderer:null,lightFollowCamera:!0,desiredUpdateRate:30,stillUpdateRate:2,container:null,recognizeGestures:!0,currentGesture:"Start",animationRequest:null,lastFrameTime:.1,recentAnimationFrameRate:10,wheelTimeoutID:0,moveTimeoutID:0,lastGamepadValues:{},preventDefaultOnPointerDown:!1,preventDefaultOnPointerUp:!1,mouseScrollDebounceByPass:!1};function Lx(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Dx,n),jt.obj(e,t),t._animationExtendedEnd=0,jt.event(e,t,"RenderEvent"),Mx.forEach((n=>jt.event(e,t,n))),jt.get(e,t,["initialized","container","interactorStyle","lastFrameTime","recentAnimationFrameRate","_view"]),jt.setGet(e,t,["lightFollowCamera","enabled","enableRender","recognizeGestures","desiredUpdateRate","stillUpdateRate","picker","preventDefaultOnPointerDown","preventDefaultOnPointerUp","mouseScrollDebounceByPass"]),jt.moveToProtected(e,t,["view"]),Ex(e,t)}var Bx={newInstance:jt.newInstance(Lx,"vtkRenderWindowInteractor"),extend:Lx,handledEvents:Mx,...xx};const{vtkErrorMacro:Nx,VOID:kx}=jt;function Fx(e,t){t.classHierarchy.push("vtkInteractorObserver");const n={...e};function r(){for(;t.subscribedEvents.length;)t.subscribedEvents.pop().unsubscribe()}function o(){Bx.handledEvents.forEach((n=>{e[`handle${n}`]&&t.subscribedEvents.push(t._interactor[`on${n}`]((r=>t.processEvents?e[`handle${n}`](r):kx),t.priority))}))}e.setInteractor=n=>{n!==t._interactor&&(r(),t._interactor=n,n&&t.enabled&&o(),e.modified())},e.setEnabled=n=>{n!==t.enabled&&(r(),n&&(t._interactor?o():Nx("\n The interactor must be set before subscribing to events\n ")),t.enabled=n,e.modified())},e.computeDisplayToWorld=(e,n,r,o)=>e?t._interactor.getView().displayToWorld(n,r,o,e):null,e.computeWorldToDisplay=(e,n,r,o)=>e?t._interactor.getView().worldToDisplay(n,r,o,e):null,e.setPriority=e=>{n.setPriority(e)&&t._interactor&&(r(),o())}}const _x={enabled:!0,priority:0,processEvents:!0,subscribedEvents:[]};function Gx(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,_x,n),jt.obj(e,t),jt.event(e,t,"InteractionEvent"),jt.event(e,t,"StartInteractionEvent"),jt.event(e,t,"EndInteractionEvent"),jt.get(e,t,["_interactor","enabled"]),jt.setGet(e,t,["priority","processEvents"]),jt.moveToProtected(e,t,["interactor"]),Fx(e,t)}var Ux={newInstance:jt.newInstance(Gx,"vtkInteractorObserver"),extend:Gx,computeWorldToDisplay:function(e,t,n,r){return e.getRenderWindow().getViews()[0].worldToDisplay(t,n,r,e)},computeDisplayToWorld:function(e,t,n,r){return e.getRenderWindow().getViews()[0].displayToWorld(t,n,r,e)}};const zx={IS_START:0,IS_NONE:0,IS_ROTATE:1,IS_PAN:2,IS_SPIN:3,IS_DOLLY:4,IS_CAMERA_POSE:11,IS_WINDOW_LEVEL:1024,IS_SLICE:1025};var Wx={States:zx};const{States:Hx}=Wx,jx={Rotate:Hx.IS_ROTATE,Pan:Hx.IS_PAN,Spin:Hx.IS_SPIN,Dolly:Hx.IS_DOLLY,CameraPose:Hx.IS_CAMERA_POSE,WindowLevel:Hx.IS_WINDOW_LEVEL,Slice:Hx.IS_SLICE};function Kx(e,t){t.classHierarchy.push("vtkInteractorStyle"),Object.keys(jx).forEach((n=>{jt.event(e,t,`Start${n}Event`),e[`start${n}`]=()=>{t.state===Hx.IS_NONE&&(t.state=jx[n],t._interactor.requestAnimation(e),e.invokeStartInteractionEvent({type:"StartInteractionEvent"}),e[`invokeStart${n}Event`]({type:`Start${n}Event`}))},jt.event(e,t,`End${n}Event`),e[`end${n}`]=()=>{t.state===jx[n]&&(t.state=Hx.IS_NONE,t._interactor.cancelAnimation(e),e.invokeEndInteractionEvent({type:"EndInteractionEvent"}),e[`invokeEnd${n}Event`]({type:`End${n}Event`}),t._interactor.render())}})),e.handleKeyPress=e=>{const n=t._interactor;let r=null;switch(e.key){case"r":case"R":e.pokedRenderer.resetCamera(),n.render();break;case"w":case"W":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToWireframe&&t.setRepresentationToWireframe()})),n.render();break;case"s":case"S":r=e.pokedRenderer.getActors(),r.forEach((e=>{const 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c=o*l*t.motionFactor,u=a*s*t.motionFactor,d=e.getActiveCamera();Number.isNaN(c)||Number.isNaN(u)||(d.azimuth(c),d.elevation(u),d.orthogonalizeViewUp()),t.autoAdjustCameraClippingRange&&e.resetCameraClippingRange(),r.getLightFollowCamera()&&e.updateLightsGeometryToFollowCamera()},e.handleMouseSpin=(e,n)=>{if(!t.previousPosition)return;const r=t._interactor,o=e.getActiveCamera(),a=r.getView().getViewportCenter(e),i=Ro(Math.atan2(t.previousPosition.y-a[1],t.previousPosition.x-a[0])),s=Ro(Math.atan2(n.y-a[1],n.x-a[0]))-i;Number.isNaN(s)||(o.roll(s),o.orthogonalizeViewUp())},e.handleMousePan=(n,r)=>{if(!t.previousPosition)return;const o=n.getActiveCamera();let a=o.getFocalPoint();a=e.computeWorldToDisplay(n,a[0],a[1],a[2]);const i=a[2],s=e.computeDisplayToWorld(n,r.x,r.y,i),l=e.computeDisplayToWorld(n,t.previousPosition.x,t.previousPosition.y,i),c=[];c[0]=l[0]-s[0],c[1]=l[1]-s[1],c[2]=l[2]-s[2],a=o.getFocalPoint();const 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eT={newInstance:jt.newInstance(Jx,"vtkInteractorStyleTrackballCamera"),extend:Jx};function tT(e){return e}function nT(e){return null===e||"null"===e?null:"true"===e||"false"!==e&&(void 0!==e&&"undefined"!==e?"["===e[0]&&"]"===e[e.length-1]?e.substring(1,e.length-1).split(",").map((e=>nT(e.trim()))):""===e||Number.isNaN(Number(e))?e:Number(e):void 0)}var rT=function(){let e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0],t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:window.location.search;const n={},r=e?nT:tT,o=(t||"").replace(/#.*/,"").replace("?","").split("&");return o.forEach((e=>{const[t,o]=e.split("=").map((e=>decodeURIComponent(e)));t&&(n[t]=!o||r(o))})),n};function oT(e,t){t.classHierarchy.push("vtkRenderPass"),e.getOperation=()=>t.currentOperation,e.setCurrentOperation=e=>{t.currentOperation=e,t.currentTraverseOperation=`traverse${jt.capitalize(t.currentOperation)}`},e.getTraverseOperation=()=>t.currentTraverseOperation,e.traverse=function(n){let 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n=e.getSize(),r=e.getContext();t.framebuffer=$p.newInstance(),t.framebuffer.setOpenGLRenderWindow(e),t.framebuffer.create(...n),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind(),t.translucentRGBATexture=Fd.newInstance(),t.translucentRGBATexture.setInternalFormat(r.RGBA16F),t.translucentRGBATexture.setFormat(r.RGBA),t.translucentRGBATexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRGBATexture.setOpenGLRenderWindow(e),t.translucentRGBATexture.create2DFromRaw(n[0],n[1],4,"Float32Array",null),t.translucentRTexture=Fd.newInstance(),t.translucentRTexture.setInternalFormat(r.R16F),t.translucentRTexture.setFormat(r.RED),t.translucentRTexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRTexture.setOpenGLRenderWindow(e),t.translucentRTexture.create2DFromRaw(n[0],n[1],1,"Float32Array",null),t.translucentZTexture=Fd.newInstance(),t.translucentZTexture.setOpenGLRenderWindow(e),t.translucentZTexture.createDepthFromRaw(n[0],n[1],"Float32Array",null),t.framebuffer.setColorBuffer(t.translucentRGBATexture,0),t.framebuffer.setColorBuffer(t.translucentRTexture,1),t.framebuffer.setDepthBuffer(t.translucentZTexture)},e.createCopyShader=e=>{t.copyShader=e.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","attribute vec2 tcoordTC;","varying vec2 tcoord;","void main() { tcoord = tcoordTC; gl_Position = vertexDC; }"].join("\n"),"//VTK::System::Dec\n\nin vec2 tcoord;\n\nuniform sampler2D translucentRTexture;\nuniform sampler2D translucentRGBATexture;\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n vec4 t1Color = texture(translucentRGBATexture, tcoord);\n float t2Color = texture(translucentRTexture, tcoord).r;\n gl_FragData[0] = vec4(t1Color.rgb/max(t2Color,0.01), 1.0 - t1Color.a);\n}\n","")},e.createVBO=n=>{const r=n.getContext();t.tris.setOpenGLRenderWindow(n),e.createVertexBuffer();const o=t.copyShader;t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(o,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),r.FLOAT,3,r.FALSE)||cT("Error setting vertexDC in copy shader 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r=t.framebuffer.getSize();null===r||r[0]!==a[0]||r[1]!==a[1]?(t.framebuffer.releaseGraphicsResources(),t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRTexture.releaseGraphicsResources(n),t.translucentZTexture.releaseGraphicsResources(n),e.createFramebuffer(n)):(t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind())}i.drawBuffers([i.COLOR_ATTACHMENT0]),i.clearBufferfv(i.COLOR,0,[0,0,0,0]),i.clearBufferfv(i.DEPTH,0,[1]),i.colorMask(!1,!1,!1,!1),o.getOpaqueActorCount()>0&&(o.setCurrentOperation("opaqueZBufferPass"),r.traverse(o)),i.colorMask(!0,!0,!0,!0),i.drawBuffers([i.COLOR_ATTACHMENT0,i.COLOR_ATTACHMENT1]),i.viewport(0,0,a[0],a[1]),i.scissor(0,0,a[0],a[1]),i.clearBufferfv(i.COLOR,0,[0,0,0,1]),i.clearBufferfv(i.COLOR,1,[0,0,0,0]),i.enable(i.DEPTH_TEST),i.enable(i.BLEND),i.blendFuncSeparate(i.ONE,i.ONE,i.ZERO,i.ONE_MINUS_SRC_ALPHA),e.setCurrentOperation("translucentPass"),r.traverse(e),i.drawBuffers([i.NONE]),t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader?e.createCopyShader(n):n.getShaderCache().readyShaderProgram(t.copyShader),t.copyVAO||(t.copyVAO=md.newInstance(),t.copyVAO.setOpenGLRenderWindow(n)),t.copyVAO.bind(),t.VBOBuildTime.getMTime()t._supported?uT:null,e.releaseGraphicsResources=n=>{t.framebuffer&&(t.framebuffer.releaseGraphicsResources(n),t.framebuffer=null),t.translucentRGBATexture&&(t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRGBATexture=null),t.translucentRTexture&&(t.translucentRTexture.releaseGraphicsResources(n),t.translucentRTexture=null),t.translucentZTexture&&(t.translucentZTexture.releaseGraphicsResources(n),t.translucentZTexture=null),t.copyVAO&&(t.copyVAO.releaseGraphicsResources(n),t.copyVAO=null),t.copyShader&&(t.copyShader.releaseGraphicsResources(n),t.copyShader=null),t.tris&&(t.tris.releaseGraphicsResources(n),t.tris=null),e.modified()}}const pT={framebuffer:null,copyShader:null,tris:null};function fT(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,pT,n),sT.extend(e,t,n),t.VBOBuildTime={},jt.obj(t.VBOBuildTime,{mtime:0}),t.tris=xd.newInstance(),jt.get(e,t,["framebuffer"]),dT(e,t)}var gT={newInstance:jt.newInstance(fT,"vtkOpenGLOrderIndependentTranslucentPass"),extend:fT};function mT(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getRenderable().getNumberOfLayers(),a=n.getChildren();for(let r=0;r0||t.translucentActorCount>0)&&t.volumeCount>0||t.depthRequested){const r=n.getFramebufferSize();null===t.framebuffer&&(t.framebuffer=$p.newInstance()),t.framebuffer.setOpenGLRenderWindow(n),t.framebuffer.saveCurrentBindingsAndBuffers();const 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hT={opaqueActorCount:0,translucentActorCount:0,volumeCount:0,overlayActorCount:0,framebuffer:null,depthRequested:!1};function vT(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,hT,n),sT.extend(e,t,n),jt.get(e,t,["framebuffer","opaqueActorCount","translucentActorCount","volumeCount"]),mT(e,t)}var yT={newInstance:jt.newInstance(vT,"vtkForwardPass"),extend:vT},bT=n(594),xT=n.n(bT);const TT=["lastShaderProgramBound","context","_openGLRenderWindow"];function CT(e,t){t.classHierarchy.push("vtkShaderCache"),e.replaceShaderValues=(e,n,r)=>{let o=n;r.length>0&&(o=dd.substitute(o,"VSOut","GSOut").result);const a=t._openGLRenderWindow.getWebgl2();let i="\n",s="#version 100\n";a?s="#version 300 es\n#define attribute in\n#define textureCube texture\n#define texture2D texture\n#define textureCubeLod textureLod\n#define texture2DLod textureLod\n":(t.context.getExtension("OES_standard_derivatives"),t.context.getExtension("EXT_frag_depth")&&(i="#extension 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    \t\t\t\t\t ")],["WebGL Renderer","RENDERER",n.getParameter(n.RENDERER)],["WebGL Vendor","VENDOR",n.getParameter(n.VENDOR)],["WebGL Version","VERSION",n.getParameter(n.VERSION)],["Shading Language Version","SHADING_LANGUAGE_VERSION",n.getParameter(n.SHADING_LANGUAGE_VERSION)],["Unmasked Renderer","UNMASKED_RENDERER",a&&n.getParameter(a.UNMASKED_RENDERER_WEBGL)],["Unmasked Vendor","UNMASKED_VENDOR",a&&n.getParameter(a.UNMASKED_VENDOR_WEBGL)],["WebGL Version","WEBGL_VERSION",t.webgl2?2:1]],c={};for(;l.length;){const[e,t,n]=l.pop();t&&(c[t]={label:e,value:n})}return t._glInformation=c,c},e.traverseAllPasses=()=>{if(t.renderPasses)for(let n=0;n0&&void 0!==arguments[0]?arguments[0]:t.imageFormat;const r=document.createElement("canvas"),o=r.getContext("2d");r.width=t.canvas.width,r.height=t.canvas.height,o.drawImage(t.canvas,0,0);const a=t.canvas.getBoundingClientRect(),i=t.renderable;i.getRenderers().forEach((e=>{e.getViewProps().forEach((e=>{if(e.getContainer){const t=e.getContainer().getElementsByTagName("canvas");for(let e=0;e{t.cullFaceEnabled&&(t.context.disable(t.context.CULL_FACE),t.cullFaceEnabled=!1)},e.enableCullFace=()=>{t.cullFaceEnabled||(t.context.enable(t.context.CULL_FACE),t.cullFaceEnabled=!0)},e.setViewStream=n=>t.viewStream!==n&&(t.subscription&&(t.subscription.unsubscribe(),t.subscription=null),t.viewStream=n,t.viewStream&&(t.renderable.getRenderers()[0].getBackgroundByReference()[3]=0,e.setUseBackgroundImage(!0),t.subscription=t.viewStream.onImageReady((t=>e.setBackgroundImage(t.image))),t.viewStream.setSize(t.size[0],t.size[1]),t.viewStream.invalidateCache(),t.viewStream.render(),e.modified()),!0),e.createSelector=()=>{const t=gf.newInstance();return t.setOpenGLRenderWindow(e),t},e.delete=jt.chain((function(){t.canvas.removeEventListener("webglcontextlost",WT),t.canvas.removeEventListener("webglcontextrestored",e.restoreContext)}),e.delete,e.setViewStream,zT),e.setActiveFramebuffer=e=>{t.activeFramebuffer=e};const a=e.setSize;e.setSize=(t,n)=>{const r=a(t,n);return r&&e.invokeWindowResizeEvent({width:t,height:n}),r},e.getGraphicsResourceForObject=e=>e?{vtkObj:t._graphicsResources.get(e),hash:t._graphicsResourceHash.get(e)}:null,e.setGraphicsResourceForObject=(e,n,r)=>{e&&(t._graphicsResources.set(e,n),t._graphicsResourceHash.set(e,r))},e.getGraphicsMemoryInfo=()=>{let e=0;return t._graphicsResources.forEach(((t,n)=>{e+=t.getAllocatedGPUMemoryInBytes()})),e},e.releaseGraphicsResourcesForObject=n=>!!n&&(t._graphicsResources.get(n)?.releaseGraphicsResources(e),t._graphicsResources.delete(n)&&t._graphicsResourceHash.delete(n)),e.releaseGraphicsResources=()=>{null!==t.shaderCache&&t.shaderCache.releaseGraphicsResources(e),t._graphicsResources.forEach(((t,n)=>{t.releaseGraphicsResources(e)})),t._graphicsResources.clear(),t._graphicsResourceHash.clear(),null!==t.textureUnitManager&&t.textureUnitManager.freeAll(),t.renderable.getRenderersByReference().forEach((t=>{e.getViewNodeFor(t)?.releaseGraphicsResources()}))}}const jT={cullFaceEnabled:!1,shaderCache:null,initialized:!1,context:null,canvas:null,cursorVisibility:!0,cursor:"pointer",textureUnitManager:null,textureResourceIds:null,containerSize:null,renderPasses:[],notifyStartCaptureImage:!1,webgl2:!1,defaultToWebgl2:!0,activeFramebuffer:null,imageFormat:"image/png",useOffScreen:!1,useBackgroundImage:!1};const KT=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,jT,n),LT.extend(e,t,n),t.canvas=document.createElement("canvas"),t.canvas.style.width="100%",UT(),t.selector||(t.selector=gf.newInstance(),t.selector.setOpenGLRenderWindow(e)),t.bgImage=new Image,t.bgImage.style.position="absolute",t.bgImage.style.left="0",t.bgImage.style.top="0",t.bgImage.style.width="100%",t.bgImage.style.height="100%",t.bgImage.style.zIndex="-1",t._textureResourceIds=new Map,t._graphicsResources=new Map,t._graphicsResourceHash=new Map,t._glInformation=null,t.myFactory=ln.newInstance(),t.myFactory.registerOverride("vtkRenderWindow",KT),t.shaderCache=AT.newInstance(),t.shaderCache.setOpenGLRenderWindow(e),t.renderPasses[0]=yT.newInstance(),jt.event(e,t,"imageReady"),jt.get(e,t,["shaderCache","textureUnitManager","webgl2","useBackgroundImage","activeFramebuffer"]),jt.setGet(e,t,["initialized","context","canvas","renderPasses","notifyStartCaptureImage","defaultToWebgl2","cursor","useOffScreen"]),jt.setGetArray(e,t,["size"],2),jt.event(e,t,"windowResizeEvent"),HT(e,t)}),"vtkOpenGLRenderWindow");px("WebGL",KT);const $T=["setBindGroup","setIndexBuffer","setVertexBuffer","draw","drawIndexed"];function qT(e,t){t.classHierarchy.push("vtkWebGPURenderEncoder"),e.begin=e=>{t.drawCallbacks=[],t.handle=e.beginRenderPass(t.description),t.label&&t.handle.pushDebugGroup(t.label)},e.end=()=>{for(let n=0;n{if(t.boundPipeline===e)return;t.handle.setPipeline(e.getHandle());const n=e.getPipelineDescription();if(t.colorTextureViews.length!==n.fragment.targets.length)console.log(`mismatched attachment counts on pipeline ${n.fragment.targets.length} while encoder has ${t.colorTextureViews.length}`),console.trace();else for(let e=0;e{t.replaceShaderCodeFunction(e)},e.setColorTextureView=(e,n)=>{t.colorTextureViews[e]!==n&&(t.colorTextureViews[e]=n)},e.activateBindGroup=e=>{const n=t.boundPipeline.getDevice(),r=t.boundPipeline.getBindGroupLayoutCount(e.getLabel());t.handle.setBindGroup(r,e.getBindGroup(n));const o=n.getBindGroupLayoutDescription(e.getBindGroupLayout(n)),a=n.getBindGroupLayoutDescription(t.boundPipeline.getBindGroupLayout(r));o!==a&&(console.log(`renderEncoder ${t.pipelineHash} mismatched bind group layouts bind group has\n${o}\n versus pipeline\n${a}\n`),console.trace())},e.attachTextureViews=()=>{for(let e=0;e{for(let r=0;r2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,XT,n),yt(e,t),t.description={colorAttachments:[{view:void 0,loadOp:"load",storeOp:"store"}],depthStencilAttachment:{view:void 0,depthLoadOp:"clear",depthClearValue:0,depthStoreOp:"store"}},t.replaceShaderCodeFunction=e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Zm.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = computedColor;"]).result,t.setCode(n)},t.pipelineSettings={primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater-equal",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}},t.colorTextureViews=[],xt(e,t,["boundPipeline","colorTextureViews"]),Pt(e,t,["depthTextureView","description","handle","label","pipelineHash","pipelineSettings","replaceShaderCodeFunction"]),qT(e,t)}var ZT={newInstance:Et(YT,"vtkWebGPURenderEncoder"),extend:YT};function QT(e,t){t.classHierarchy.push("vtkWebGPUOpaquePass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.renderEncoder)t.colorTexture.resize(r.getCanvas().width,r.getCanvas().height),t.depthTexture.resize(r.getCanvas().width,r.getCanvas().height);else{e.createRenderEncoder(),t.colorTexture=Py.newInstance({label:"opaquePassColor"}),t.colorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const n=t.colorTexture.createView("opaquePassColorTexture");t.renderEncoder.setColorTextureView(0,n),t.depthFormat="depth32float",t.depthTexture=Py.newInstance({label:"opaquePassDepth"}),t.depthTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:t.depthFormat,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const a=t.depthTexture.createView("opaquePassDepthTexture");t.renderEncoder.setDepthTextureView(a)}t.renderEncoder.attachTextureViews(),e.setCurrentOperation("opaquePass"),n.setRenderEncoder(t.renderEncoder),n.traverse(e)},e.getColorTextureView=()=>t.renderEncoder.getColorTextureViews()[0],e.getDepthTextureView=()=>t.renderEncoder.getDepthTextureView(),e.createRenderEncoder=()=>{t.renderEncoder=ZT.newInstance({label:"OpaquePass"}),t.renderEncoder.setPipelineHash("op")}}const JT={renderEncoder:null,colorTexture:null,depthTexture:null};function eC(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,JT,n),sT.extend(e,t,n),jt.get(e,t,["colorTexture","depthTexture"]),QT(e,t)}var tC={newInstance:jt.newInstance(eC,"vtkWebGPUOpaquePass"),extend:eC};function nC(e,t){t.classHierarchy.push("vtkWebGPUOrderIndependentTranslucentPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.translucentRenderEncoder)t.translucentColorTexture.resizeToMatch(t.colorTextureView.getTexture()),t.translucentAccumulateTexture.resizeToMatch(t.colorTextureView.getTexture());else{e.createRenderEncoder(),e.createFinalEncoder(),t.translucentColorTexture=Py.newInstance({label:"translucentPassColor"}),t.translucentColorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const n=t.translucentColorTexture.createView("oitpColorTexture");t.translucentRenderEncoder.setColorTextureView(0,n),t.translucentAccumulateTexture=Py.newInstance({label:"translucentPassAccumulate"}),t.translucentAccumulateTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const a=t.translucentAccumulateTexture.createView("oitpAccumTexture");t.translucentRenderEncoder.setColorTextureView(1,a),t.fullScreenQuad=Oh.newInstance(),t.fullScreenQuad.setDevice(r.getDevice()),t.fullScreenQuad.setPipelineHash("oitpfsq"),t.fullScreenQuad.setTextureViews(t.translucentRenderEncoder.getColorTextureViews()),t.fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var tcoord: vec2 = vec2(i32(input.fragPos.x), i32(input.fragPos.y));\n var reveal: f32 = textureLoad(oitpAccumTexture, tcoord, 0).r;\n if (reveal == 1.0) { discard; }\n var tcolor: vec4 = textureLoad(oitpColorTexture, tcoord, 0);\n var total: f32 = max(tcolor.a, 0.01);\n var computedColor: vec4 = vec4(tcolor.r/total, tcolor.g/total, tcolor.b/total, 1.0 - reveal);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n")}t.translucentRenderEncoder.setDepthTextureView(t.depthTextureView),t.translucentRenderEncoder.attachTextureViews(),e.setCurrentOperation("translucentPass"),n.setRenderEncoder(t.translucentRenderEncoder),n.traverse(e),e.finalPass(r,n)},e.finalPass=(e,n)=>{t.translucentFinalEncoder.setColorTextureView(0,t.colorTextureView),t.translucentFinalEncoder.attachTextureViews(),t.translucentFinalEncoder.begin(e.getCommandEncoder()),n.scissorAndViewport(t.translucentFinalEncoder),t.fullScreenQuad.prepareAndDraw(t.translucentFinalEncoder),t.translucentFinalEncoder.end()},e.getTextures=()=>[t.translucentColorTexture,t.translucentAccumulateTexture],e.createRenderEncoder=()=>{t.translucentRenderEncoder=ZT.newInstance({label:"translucentRender"});const e=t.translucentRenderEncoder.getDescription();e.colorAttachments=[{view:void 0,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:void 0,clearValue:[1,0,0,0],loadOp:"clear",storeOp:"store"}],e.depthStencilAttachment={view:void 0,depthLoadOp:"load",depthStoreOp:"store"},t.translucentRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor"),t.addOutput("f32","outAccum"),t.addBuiltinInput("vec4","@builtin(position) fragPos");let n=t.getCode();n=Zm.substitute(n,"//VTK::RenderEncoder::Impl",["var w: f32 = computedColor.a * pow(0.1 + input.fragPos.z, 2.0);","output.outColor = vec4(computedColor.rgb*w, w);","output.outAccum = computedColor.a;"]).result,t.setCode(n)})),t.translucentRenderEncoder.setPipelineHash("oitpr"),t.translucentRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!1,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one"},alpha:{srcfactor:"one",dstFactor:"one"}}},{format:"r16float",blend:{color:{srcFactor:"zero",dstFactor:"one-minus-src"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createFinalEncoder=()=>{t.translucentFinalEncoder=ZT.newInstance({label:"translucentFinal"}),t.translucentFinalEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t.translucentFinalEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor"),t.addBuiltinInput("vec4","@builtin(position) fragPos");let n=t.getCode();n=Zm.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t.translucentFinalEncoder.setPipelineHash("oitpf"),t.translucentFinalEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})}}const rC={colorTextureView:null,depthTextureView:null};function oC(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,rC,n),sT.extend(e,t,n),jt.setGet(e,t,["colorTextureView","depthTextureView"]),nC(e,t)}var aC={newInstance:jt.newInstance(oC,"vtkWebGPUOrderIndependentTranslucentPass"),extend:oC};const iC="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Volume::TraverseDec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\nfn getTextureValue(vTex: texture_3d, tpos: vec4) -> f32\n{\n // todo multicomponent support\n return textureSampleLevel(vTex, clampSampler, tpos.xyz, 0.0).r;\n}\n\nfn getGradient(vTex: texture_3d, tpos: vec4, vNum: i32, scalar: f32) -> vec4\n{\n var result: vec4;\n\n var tstep: vec4 = volumeSSBO.values[vNum].tstep;\n result.x = getTextureValue(vTex, tpos + vec4(tstep.x, 0.0, 0.0, 1.0)) - scalar;\n result.y = getTextureValue(vTex, tpos + vec4(0.0, tstep.y, 0.0, 1.0)) - scalar;\n result.z = getTextureValue(vTex, tpos + vec4(0.0, 0.0, tstep.z, 1.0)) - scalar;\n result.w = 0.0;\n\n // divide by spacing as that is our delta\n result = result / volumeSSBO.values[vNum].spacing;\n // now we have a gradient in unit tcoords\n\n var grad: f32 = length(result.xyz);\n if (grad > 0.0)\n {\n // rotate to View Coords, needed for lighting and shading\n var nMat: mat4x4 = rendererUBO.SCVCMatrix * volumeSSBO.values[vNum].planeNormals;\n result = nMat * result;\n result = result / length(result);\n }\n\n // store gradient magnitude in .w\n result.w = grad;\n\n return result;\n}\n\nfn processVolume(vTex: texture_3d, vNum: i32, cNum: i32, posSC: vec4, tfunRows: f32) -> vec4\n{\n var outColor: vec4 = vec4(0.0, 0.0, 0.0, 0.0);\n\n // convert to tcoords and reject if outside the volume\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*posSC;\n if (tpos.x < 0.0 || tpos.y < 0.0 || tpos.z < 0.0 ||\n tpos.x > 1.0 || tpos.y > 1.0 || tpos.z > 1.0) { return outColor; }\n\n var scalar: f32 = getTextureValue(vTex, tpos);\n\n var coord: vec2 =\n vec2(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n (0.5 + 2.0 * f32(vNum)) / tfunRows);\n var color: vec4 = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n\n var gofactor: f32 = 1.0;\n var normal: vec4 = vec4(0.0,0.0,0.0,0.0);\n if (componentSSBO.values[cNum].gomin < 1.0 || volumeSSBO.values[vNum].shade[0] > 0.0)\n {\n normal = getGradient(vTex, tpos, vNum, scalar);\n if (componentSSBO.values[cNum].gomin < 1.0)\n {\n gofactor = clamp(normal.a*componentSSBO.values[cNum].goScale + componentSSBO.values[cNum].goShift,\n componentSSBO.values[cNum].gomin, componentSSBO.values[cNum].gomax);\n }\n }\n\n coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n\n if (volumeSSBO.values[vNum].shade[0] > 0.0)\n {\n color = color*abs(normal.z);\n }\n\n outColor = vec4(color.rgb, gofactor * opacity);\n\n return outColor;\n}\n\n// adjust the start and end point of a raycast such that it intersects the unit cube.\n// This function is used to take a raycast starting point and step vector\n// and numSteps and return the startijng and ending steps for intersecting the\n// unit cube. Recall for a 3D texture, the unit cube is the range of texture coordsinates\n// that have valid values. So this funtion can be used to take a ray in texture coordinates\n// and bound it to intersecting the texture.\n//\nfn adjustBounds(tpos: vec4, tstep: vec4, numSteps: f32) -> vec2\n{\n var result: vec2 = vec2(0.0, numSteps);\n var tpos2: vec4 = tpos + tstep*numSteps;\n\n // move tpos to the start of the volume\n var adjust: f32 =\n min(\n max(tpos.x/tstep.x, (tpos.x - 1.0)/tstep.x),\n min(\n max((tpos.y - 1.0)/tstep.y, tpos.y/tstep.y),\n max((tpos.z - 1.0)/tstep.z, tpos.z/tstep.z)));\n if (adjust < 0.0)\n {\n result.x = result.x - adjust;\n }\n\n // adjust length to the end\n adjust =\n max(\n min(tpos2.x/tstep.x, (tpos2.x - 1.0)/tstep.x),\n max(\n min((tpos2.y - 1.0)/tstep.y, tpos2.y/tstep.y),\n min((tpos2.z - 1.0)/tstep.z, tpos2.z/tstep.z)));\n if (adjust > 0.0)\n {\n result.y = result.y - adjust;\n }\n\n return result;\n}\n\nfn getSimpleColor(scalar: f32, vNum: i32, cNum: i32) -> vec4\n{\n // how many rows (tfuns) do we have in our tfunTexture\n var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n var coord: vec2 =\n vec2(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n (0.5 + 2.0 * f32(vNum)) / tfunRows);\n var color: vec4 = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n return vec4(color.rgb, opacity);\n}\n\nfn traverseMax(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var maxVal: f32 = -1.0e37;\n loop\n {\n var scalar: f32 = getTextureValue(vTex, tpos);\n if (scalar > maxVal)\n {\n maxVal = scalar;\n }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(maxVal, vNum, cNum);\n}\n\nfn traverseMin(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var minVal: f32 = 1.0e37;\n loop\n {\n var scalar: f32 = getTextureValue(vTex, tpos);\n if (scalar < minVal)\n {\n minVal = scalar;\n }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(minVal, vNum, cNum);\n}\n\nfn traverseAverage(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n let ipRange: vec4 = volumeSSBO.values[vNum].ipScalarRange;\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var avgVal: f32 = 0.0;\n var sampleCount: f32 = 0.0;\n loop\n {\n var sample: f32 = getTextureValue(vTex, tpos);\n // right now leave filtering off until WebGL changes get merged\n // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n // {\n avgVal = avgVal + sample;\n sampleCount = sampleCount + 1.0;\n // }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n if (sampleCount <= 0.0)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(avgVal/sampleCount, vNum, cNum);\n}\n\nfn traverseAdditive(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n let ipRange: vec4 = volumeSSBO.values[vNum].ipScalarRange;\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var sumVal: f32 = 0.0;\n loop\n {\n var sample: f32 = getTextureValue(vTex, tpos);\n // right now leave filtering off until WebGL changes get merged\n // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n // {\n sumVal = sumVal + sample;\n // }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(sumVal, vNum, cNum);\n}\n\nfn composite(rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4) -> vec4\n{\n // initial ray position is at the beginning\n var rayPosSC: vec4 = minPosSC;\n\n // how many rows (tfuns) do we have in our tfunTexture\n var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n var curDist: f32 = 0.0;\n var computedColor: vec4 = vec4(0.0, 0.0, 0.0, 0.0);\n var sampleColor: vec4;\n//VTK::Volume::TraverseCalls\n\n loop\n {\n // for each volume, sample and accumulate color\n//VTK::Volume::CompositeCalls\n\n // increment position\n curDist = curDist + mapperUBO.SampleDistance;\n rayPosSC = rayPosSC + rayStepSC;\n\n // check if we have reached a terminating condition\n if (curDist > rayLengthSC) { break; }\n if (computedColor.a > 0.98) { break; }\n }\n return computedColor;\n}\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var rayMax: f32 = textureSampleLevel(maxTexture, clampSampler, input.tcoordVS, 0.0).r;\n var rayMin: f32 = textureSampleLevel(minTexture, clampSampler, input.tcoordVS, 0.0).r;\n\n // discard empty rays\n if (rayMax <= rayMin) { discard; }\n else\n {\n // compute start and end ray positions in view coordinates\n var minPosSC: vec4 = rendererUBO.PCSCMatrix*vec4(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMax, 1.0);\n minPosSC = minPosSC * (1.0 / minPosSC.w);\n var maxPosSC: vec4 = rendererUBO.PCSCMatrix*vec4(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMin, 1.0);\n maxPosSC = maxPosSC * (1.0 / maxPosSC.w);\n\n var rayLengthSC: f32 = distance(minPosSC.xyz, maxPosSC.xyz);\n var rayStepSC: vec4 = (maxPosSC - minPosSC)*(mapperUBO.SampleDistance/rayLengthSC);\n rayStepSC.w = 0.0;\n\n var computedColor: vec4;\n\n//VTK::Volume::Loop\n\n//VTK::RenderEncoder::Impl\n }\n\n return output;\n}\n",sC=new Float64Array(16),lC=new Float64Array(16);function cC(e,t){t.classHierarchy.push("vtkWebGPUVolumePassFSQ"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position");let o=r.getCode();o=Zm.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4(vertexBC, 1.0);"]).result,r.setCode(o),t.getShaderDescription("fragment").addBuiltinInput("vec4","@builtin(position) fragPos")},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderVolume=(e,n,r)=>{const o=n.getShaderDescription("fragment");let a=o.getCode();const i=[],s=[];for(let e=0;e(\n sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n (1.0 - computedColor.a)*sampleColor.a + computedColor.a);")):(s.push(` sampleColor = traverseVals[${e}];`),s.push(" computedColor = vec4(\n sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n (1.0 - computedColor.a)*sampleColor.a + computedColor.a);"));a=Zm.substitute(a,"//VTK::Volume::CompositeCalls",i).result,a=Zm.substitute(a,"//VTK::Volume::TraverseCalls",s).result,a=Zm.substitute(a,"//VTK::Volume::TraverseDec",[`var traverseVals: array,${t.volumes.length}>;`]).result;let l=!1;for(let e=0;e{let r=e.getMTime();for(let e=0;e{let r=Math.max(e.getMTime(),t.WebGPURenderer.getStabilizedTime());for(let e=0;e"),t.SSBO.addEntry("planeNormals","mat4x4"),t.SSBO.addEntry("shade","vec4"),t.SSBO.addEntry("tstep","vec4"),t.SSBO.addEntry("spacing","vec4"),t.SSBO.addEntry("ipScalarRange","vec4"),t.SSBO.setAllInstancesFromArray("SCTCMatrix",a),t.SSBO.setAllInstancesFromArray("planeNormals",i),t.SSBO.setAllInstancesFromArray("shade",l),t.SSBO.setAllInstancesFromArray("tstep",s),t.SSBO.setAllInstancesFromArray("spacing",c),t.SSBO.setAllInstancesFromArray("ipScalarRange",u),t.SSBO.send(n),t.componentSSBO.clearData(),t.componentSSBO.setNumberOfInstances(t.numRows);const d=new Float64Array(t.numRows),p=new Float64Array(t.numRows),f=new Float64Array(t.numRows),v=new Float64Array(t.numRows),y=new Float64Array(t.numRows),C=new Float64Array(t.numRows),S=new Float64Array(t.numRows),P=new Float64Array(t.numRows);let A=0;for(let e=0;e{n();let r=t.volumes[0].getRenderable().getMapper().getSampleDistance();for(let e=0;e{t.pipelineHash="volfsq";for(let e=0;e{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r{const e=r();return e.push(t.componentSSBO),e.push(t.clampSampler),e}}const uC={volumes:null,rowLength:1024,lastVolumeLength:0};function dC(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uC,n),Oh.extend(e,t,n),t.fragmentShaderTemplate=iC,t.UBO=hv.newInstance({label:"mapperUBO"}),t.UBO.addEntry("SampleDistance","f32"),t.SSBO=uv.newInstance({label:"volumeSSBO"}),t.componentSSBO=uv.newInstance({label:"componentSSBO"}),t.lutBuildTime={},jt.obj(t.lutBuildTime,{mtime:0}),cC(e,t)}var pC={newInstance:jt.newInstance(dC,"vtkWebGPUVolumePassFSQ"),extend:dC};const{Representation:fC}=ds,{BufferUsage:gC,PrimitiveTypes:mC}=ov,hC=[[0,4,6],[0,6,2],[1,3,7],[1,7,5],[0,5,4],[0,1,5],[2,6,7],[2,7,3],[0,3,1],[0,2,3],[4,5,7],[4,7,6]],vC="\n//VTK::Renderer::Dec\n\n//VTK::Select::Dec\n\n//VTK::VolumePass::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output : fragmentOutput;\n\n //VTK::Select::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::VolumePass::Impl\n\n // use the maximum (closest) of the current value and the zbuffer\n // the blend func will then take the min to find the farthest stop value\n var stopval: f32 = max(input.fragPos.z, textureLoad(opaquePassDepthTexture, vec2(i32(input.fragPos.x), i32(input.fragPos.y)), 0));\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n";function yC(e,t){t.classHierarchy.push("vtkWebGPUVolumePass"),e.initialize=n=>{t._clearEncoder||e.createClearEncoder(n),t._mergeEncoder||e.createMergeEncoder(n),t._copyEncoder||e.createCopyEncoder(n),t._depthRangeEncoder||e.createDepthRangeEncoder(n),t.fullScreenQuad||(t.fullScreenQuad=pC.newInstance(),t.fullScreenQuad.setDevice(n.getDevice()),t.fullScreenQuad.setTextureViews([...t._depthRangeEncoder.getColorTextureViews()])),t._volumeCopyQuad||(t._volumeCopyQuad=Oh.newInstance(),t._volumeCopyQuad.setPipelineHash("volpassfsq"),t._volumeCopyQuad.setDevice(n.getDevice()),t._volumeCopyQuad.setFragmentShaderTemplate("\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = textureSample(volumePassColorTexture,\n volumePassColorTextureSampler, mapperUBO.tscale*input.tcoordVS);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n"),t._copyUBO=hv.newInstance({label:"mapperUBO"}),t._copyUBO.addEntry("tscale","vec2"),t._volumeCopyQuad.setUBO(t._copyUBO),t._volumeCopyQuad.setTextureViews([t._colorTextureView]))},e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r,e.initialize(r),e.computeTiming(r),e.renderDepthBounds(n,r),t._firstGroup=!0;const o=r.getDevice(),a=o.getHandle().limits.maxSampledTexturesPerShaderStage-4;if(t.volumes.length>a){const o=n.getRenderable().getActiveCamera().getPosition(),i=[];for(let e=0;ei[t]-i[e]));let l=[],c=s.length%a;for(let o=0;o=c&&(e.rayCastPass(r,n,l),l=[],c=a,t._firstGroup=!1)}else e.rayCastPass(r,n,t.volumes);if(t._volumeCopyQuad.setWebGPURenderer(n),t._useSmallViewport){const e=t._colorTextureView.getTexture().getWidth(),n=t._colorTextureView.getTexture().getHeight();t._copyUBO.setArray("tscale",[t._smallViewportWidth/e,t._smallViewportHeight/n])}else t._copyUBO.setArray("tscale",[1,1]);t._copyUBO.sendIfNeeded(o),t._copyEncoder.setColorTextureView(0,t.colorTextureView),t._copyEncoder.attachTextureViews(),t._copyEncoder.begin(r.getCommandEncoder()),n.scissorAndViewport(t._copyEncoder),t._volumeCopyQuad.prepareAndDraw(t._copyEncoder),t._copyEncoder.end()},e.delete=jt.chain((()=>{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.computeTiming=e=>{const n=e.getRenderable().getInteractor();if(null==t._lastScale){const e=t.volumes[0].getRenderable().getMapper();t._lastScale=e.getInitialInteractionScale()||1}t._useSmallViewport=!1,n.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._colorTexture.resize(e.getCanvas().width,e.getCanvas().height),t._animationRateSubscription||(t._animationRateSubscription=n.onAnimationFrameRateUpdate((()=>{const e=t.volumes[0].getRenderable().getMapper();if(e.getAutoAdjustSampleDistances()){const e=n.getRecentAnimationFrameRate(),r=t._lastScale*n.getDesiredUpdateRate()/e;t._lastScale=r,t._lastScale>400&&(t._lastScale=400)}else t._lastScale=e.getImageSampleDistance()*e.getImageSampleDistance();t._lastScale<1.5&&(t._lastScale=1.5)})))},e.rayCastPass=(e,n,r)=>{const o=t._firstGroup?t._clearEncoder:t._mergeEncoder;o.attachTextureViews(),o.begin(e.getCommandEncoder());let a=t._colorTextureView.getTexture().getWidth(),i=t._colorTextureView.getTexture().getHeight();if(t._useSmallViewport){const n=e.getCanvas(),r=1/Math.sqrt(t._lastScale);t._smallViewportWidth=Math.ceil(r*n.width),t._smallViewportHeight=Math.ceil(r*n.height),a=t._smallViewportWidth,i=t._smallViewportHeight}o.getHandle().setViewport(0,0,a,i,0,1),o.getHandle().setScissorRect(0,0,a,i),t.fullScreenQuad.setWebGPURenderer(n),t.fullScreenQuad.setVolumes(r),t.fullScreenQuad.prepareAndDraw(o),o.end()},e.renderDepthBounds=(n,r)=>{e.updateDepthPolyData(n);const o=t._boundsPoly,a=o.getPoints(),i=o.getPolys();let s={hash:`vp${i.getMTime()}`,usage:gC.Index,cells:i,numberOfPoints:a.getNumberOfPoints(),primitiveType:mC.Triangles,representation:fC.SURFACE};const l=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().setIndexBuffer(l),s={usage:gC.PointArray,format:"float32x4",hash:`vp${a.getMTime()}${i.getMTime()}`,dataArray:a,indexBuffer:l,packExtra:!0};const c=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().addBuffer(c,["vertexBC"]),t._mapper.setNumberOfVertices(c.getSizeInBytes()/c.getStrideInBytes()),e.drawDepthRange(n,r)},e.updateDepthPolyData=e=>{let n=!1;for(let e=0;e{t._depthRangeTexture.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeTexture2.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeEncoder.attachTextureViews(),e.setCurrentOperation("volumeDepthRangePass"),n.setRenderEncoder(t._depthRangeEncoder),n.volumeDepthRangePass(!0),t._mapper.setWebGPURenderer(n),t._mapper.prepareToDraw(t._depthRangeEncoder),t._mapper.registerDrawCallback(t._depthRangeEncoder),n.volumeDepthRangePass(!1)},e.createDepthRangeEncoder=e=>{const n=e.getDevice();t._depthRangeEncoder=ZT.newInstance({label:"VolumePass DepthRange"}),t._depthRangeEncoder.setPipelineHash("volr"),t._depthRangeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor1"),t.addOutput("vec4","outColor2");let n=t.getCode();n=Zm.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor1 = vec4(input.fragPos.z, 0.0, 0.0, 0.0);","output.outColor2 = vec4(stopval, 0.0, 0.0, 0.0);"]).result,t.setCode(n)})),t._depthRangeEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:null,clearValue:[1,1,1,1],loadOp:"clear",storeOp:"store"}]}),t._depthRangeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"max"},alpha:{srcfactor:"one",dstFactor:"one",operation:"max"}}},{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"min"},alpha:{srcfactor:"one",dstFactor:"one",operation:"min"}}}]}}),t._depthRangeTexture=Py.newInstance({label:"volumePassMaxDepth"}),t._depthRangeTexture.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const r=t._depthRangeTexture.createView("maxTexture");t._depthRangeEncoder.setColorTextureView(0,r),t._depthRangeTexture2=Py.newInstance({label:"volumePassDepthMin"}),t._depthRangeTexture2.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const o=t._depthRangeTexture2.createView("minTexture");t._depthRangeEncoder.setColorTextureView(1,o),t._mapper.setDevice(e.getDevice()),t._mapper.setTextureViews([t.depthTextureView])},e.createClearEncoder=e=>{t._colorTexture=Py.newInstance({label:"volumePassColor"}),t._colorTexture.create(e.getDevice(),{width:e.getCanvas().width,height:e.getCanvas().height,format:"bgra8unorm",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC}),t._colorTextureView=t._colorTexture.createView("volumePassColorTexture"),t._colorTextureView.addSampler(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._clearEncoder=ZT.newInstance({label:"VolumePass Clear"}),t._clearEncoder.setColorTextureView(0,t._colorTextureView),t._clearEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"}]}),t._clearEncoder.setPipelineHash("volpf"),t._clearEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createCopyEncoder=e=>{t._copyEncoder=ZT.newInstance({label:"volumePassCopy"}),t._copyEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._copyEncoder.setPipelineHash("volcopypf"),t._copyEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createMergeEncoder=e=>{t._mergeEncoder=ZT.newInstance({label:"volumePassMerge"}),t._mergeEncoder.setColorTextureView(0,t._colorTextureView),t._mergeEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._mergeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Zm.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t._mergeEncoder.setPipelineHash("volpf"),t._mergeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.setVolumes=n=>{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,bC,n),sT.extend(e,t,n),t._mapper=Ph.newInstance(),t._mapper.setFragmentShaderTemplate(vC),t._mapper.getShaderReplacements().set("replaceShaderVolumePass",((e,t,n)=>{t.getShaderDescription("fragment").addBuiltinInput("vec4","@builtin(position) fragPos")})),t._boundsPoly=hu.newInstance(),t._lastMTimes=[],jt.setGet(e,t,["colorTextureView","depthTextureView"]),yC(e,t)}var TC={newInstance:jt.newInstance(xC,"vtkWebGPUVolumePass"),extend:xC};function CC(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e),t.opaquePass||(t.opaquePass=tC.newInstance());const o=n.getRenderable().getNumberOfLayers(),a=n.getChildren();for(let r=0;r0&&(t.translucentPass||(t.translucentPass=aC.newInstance()),t.translucentPass.setColorTextureView(t.opaquePass.getColorTextureView()),t.translucentPass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.translucentPass.traverse(i,n)),t.volumes.length>0&&(t.volumePass||(t.volumePass=TC.newInstance()),t.volumePass.setColorTextureView(t.opaquePass.getColorTextureView()),t.volumePass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.volumePass.setVolumes(t.volumes),t.volumePass.traverse(i,n)),e.finalPass(n,i))}},e.finalPass=(n,r)=>{t._finalBlitEncoder||e.createFinalBlitEncoder(n),t._finalBlitOutputTextureView.createFromTextureHandle(n.getCurrentTexture(),{depth:1,format:n.getPresentationFormat()}),t._finalBlitEncoder.attachTextureViews(),t._finalBlitEncoder.begin(n.getCommandEncoder()),r.scissorAndViewport(t._finalBlitEncoder),t._fullScreenQuad.prepareAndDraw(t._finalBlitEncoder),t._finalBlitEncoder.end()},e.createFinalBlitEncoder=e=>{t._finalBlitEncoder=ZT.newInstance({label:"forwardPassBlit"}),t._finalBlitEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._finalBlitEncoder.setPipelineHash("fpf"),t._finalBlitEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:e.getPresentationFormat(),blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}}),t._fsqSampler=my.newInstance({label:"finalPassSampler"}),t._fsqSampler.create(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._fullScreenQuad=Oh.newInstance(),t._fullScreenQuad.setDevice(e.getDevice()),t._fullScreenQuad.setPipelineHash("fpfsq"),t._fullScreenQuad.setTextureViews([t.opaquePass.getColorTextureView()]),t._fullScreenQuad.setAdditionalBindables([t._fsqSampler]),t._fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = clamp(textureSampleLevel(opaquePassColorTexture, finalPassSampler, input.tcoordVS, 0),vec4(0.0),vec4(1.0));\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n"),t._finalBlitOutputTextureView=by.newInstance(),t._finalBlitEncoder.setColorTextureView(0,t._finalBlitOutputTextureView)},e.incrementOpaqueActorCount=()=>t.opaqueActorCount++,e.incrementTranslucentActorCount=()=>t.translucentActorCount++,e.addVolume=e=>{t.volumes.push(e)}}const SC={opaqueActorCount:0,translucentActorCount:0,volumes:null,opaqueRenderEncoder:null,translucentPass:null,volumePass:null};function PC(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,SC,n),sT.extend(e,t,n),jt.setGet(e,t,["opaquePass","translucentPass","volumePass"]),CC(e,t)}var AC={newInstance:jt.newInstance(PC,"vtkForwardPass"),extend:PC};const{VtkDataTypes:IC}=Es;function wC(e,t){function n(e){if(e.imageData){e.dataArray=e.imageData.getPointData().getScalars(),e.time=e.dataArray.getMTime(),e.nativeArray=e.dataArray.getData();const t=e.imageData.getDimensions();switch(e.width=t[0],e.height=t[1],e.depth=t[2],e.dataArray.getNumberOfComponents()){case 1:e.format="r";break;case 2:e.format="rg";break;default:e.format="rgba"}switch(e.dataArray.getDataType()){case IC.UNSIGNED_CHAR:e.format+="8unorm";break;case IC.FLOAT:case IC.UNSIGNED_INT:case IC.INT:case IC.DOUBLE:case IC.UNSIGNED_SHORT:case IC.SHORT:default:e.format+="16float"}}e.image&&(e.width=e.image.width,e.height=e.image.height,e.depth=1,e.format="rgba8unorm"),e.jsImageData&&(e.width=e.jsImageData.width,e.height=e.jsImageData.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.nativeArray=e.jsImageData.data),e.canvas&&(e.width=e.canvas.width,e.height=e.canvas.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.usage=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.RENDER_ATTACHMENT)}function r(e){const n=Py.newInstance();return n.create(t.device,{width:e.width,height:e.height,depth:e.depth,format:e.format,usage:e.usage,mipLevel:e.mipLevel}),(e.nativeArray||e.image||e.canvas)&&n.writeImageData(e),n}t.classHierarchy.push("vtkWebGPUTextureManager"),e.getTexture=e=>e.hash?t.device.getCachedObject(e.hash,r,e):r(e),e.getTextureForImageData=e=>{const r={time:e.getMTime()};return r.imageData=e,n(r),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)},e.getTextureForVTKTexture=e=>{const r={time:e.getMTime()};return e.getInputData()?r.imageData=e.getInputData():e.getImage()?r.image=e.getImage():e.getJsImageData()?r.jsImageData=e.getJsImageData():e.getCanvas()&&(r.canvas=e.getCanvas()),n(r),r.mipLevel=e.getMipLevel(),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)}}const OC={handle:null,device:null};function MC(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,OC,n),jt.obj(e,t),jt.setGet(e,t,["device"]),wC(e,t)}var RC={newInstance:jt.newInstance(MC),extend:MC};class VC extends Map{constructor(){super(),this.registry=new FinalizationRegistry((e=>{const t=super.get(e);t&&t.deref&&void 0===t.deref()&&super.delete(e)}))}getValue(e){const t=super.get(e);if(t){const n=t.deref();if(void 0!==n)return n;super.delete(e)}}setValue(e,t){let n;return t&&"object"==typeof t&&(n=new WeakRef(t),this.registry.register(t,e),super.set(e,n)),n}}function EC(e,t){t.classHierarchy.push("vtkWebGPUDevice"),e.initialize=e=>{t.handle=e},e.createCommandEncoder=()=>t.handle.createCommandEncoder(),e.submitCommandEncoder=e=>{t.handle.queue.submit([e.finish()])},e.getShaderModule=e=>t.shaderCache.getShaderModule(e),e.getBindGroupLayout=e=>{if(!e.entries)return null;for(let t=0;t{for(let n=0;ne in t.pipelines?t.pipelines[e]:null,e.createPipeline=(n,r)=>{r.initialize(e,n),t.pipelines[n]=r},e.onSubmittedWorkDone=()=>t.handle.queue.onSubmittedWorkDone(),e.hasCachedObject=e=>t.objectCache.getValue(e),e.getCachedObject=function(e,n){if(!e)return vtkErrorMacro("attempt to cache an object without a hash"),null;const r=t.objectCache.getValue(e);if(r)return r;for(var o=arguments.length,a=new Array(o>2?o-2:0),i=2;i2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,DC,n),yt(e,t),Pt(e,t,["handle"]),xt(e,t,["bufferManager","shaderCache","textureManager"]),t.objectCache=new VC,t.shaderCache=Zm.newInstance(),t.shaderCache.setDevice(e),t.bindGroupLayouts=[],t.bufferManager=ov.newInstance(),t.bufferManager.setDevice(e),t.textureManager=RC.newInstance(),t.textureManager.setDevice(e),t.pipelines={},EC(e,t)}var BC={newInstance:Et(LC,"vtkWebGPUDevice"),extend:LC};function NC(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelectionPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=null,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getDevice();if(t.selectionRenderEncoder)t.colorTexture.resize(n.getCanvas().width,n.getCanvas().height),t.depthTexture.resizeToMatch(t.colorTexture);else{e.createRenderEncoder(),t.colorTexture=Py.newInstance({label:"hardwareSelectorColor"}),t.colorTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"rgba32uint",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const r=t.colorTexture.createView("hardwareSelectColorTexture");t.selectionRenderEncoder.setColorTextureView(0,r),t.depthTexture=Py.newInstance({label:"hardwareSelectorDepth"}),t.depthTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"depth32float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const a=t.depthTexture.createView("hardwareSelectDepthTexture");t.selectionRenderEncoder.setDepthTextureView(a)}t.selectionRenderEncoder.attachTextureViews(),r.setRenderEncoder(t.selectionRenderEncoder),e.setCurrentOperation("cameraPass"),r.traverse(e),e.setCurrentOperation("opaquePass"),r.traverse(e)},e.createRenderEncoder=()=>{t.selectionRenderEncoder=ZT.newInstance({label:"HardwareSelectionPass"}),t.selectionRenderEncoder.setPipelineHash("sel"),t.selectionRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Zm.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(mapperUBO.PropID, compositeID, 0u, 0u);"]).result,t.setCode(n)})),t.selectionRenderEncoder.getDescription().colorAttachments[0].clearValue=[0,0,0,0],t.selectionRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba32uint",blend:void 0}]}})}}const kC={selectionRenderEncoder:null,colorTexture:null,depthTexture:null};function FC(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,kC,n),sT.extend(e,t,n),jt.get(e,t,["colorTexture","depthTexture"]),NC(e,t)}var _C={newInstance:jt.newInstance(FC,"vtkWebGPUHardwareSelectionPass"),extend:FC};const{SelectionContent:GC,SelectionField:UC}=Zp,{FieldAssociations:zC}=al,{vtkErrorMacro:WC}=jt;function HC(e){return`${e.propID} ${e.compositeID}`}function jC(e,t,n,r){const o=4*((n.height-t-1)*n.colorBufferWidth+e)+r;return n.colorValues[o]}function KC(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]<0||t[0]>=e.width||t[1]<0||t[1]>=e.height)return null;const n=jC(t[0],t[1],e,0);if(n<=0)return null;const o={};o.propID=n;let a=jC(t[0],t[1],e,1);if((a<0||a>16777215)&&(a=0),o.compositeID=a,e.captureZValues){const n=(e.height-t[1]-1)*e.zbufferBufferWidth+t[0];o.zValue=e.depthValues[n],o.zValue=e.webGPURenderer.convertToOpenGLDepth(o.zValue),o.displayPosition=t}return o}const a=[t[0],t[1]],i=[0,0];let s=KC(e,t,0,r);if(s)return s;for(let t=1;tt?a[1]-t:0;n<=a[1]+t;++n){if(i[1]=n,a[0]>=t&&(i[0]=a[0]-t,s=KC(e,i,0,r),s))return s;if(i[0]=a[0]+t,s=KC(e,i,0,r),s)return s}for(let n=a[0]>=t?a[0]-(t-1):0;n<=a[0]+(t-1);++n){if(i[0]=n,a[1]>=t&&(i[1]=a[1]-t,s=KC(e,i,0,r),s))return s;if(i[1]=a[1]+t,s=KC(e,i,0,r),s)return s}}return r[0]=t[0],r[1]=t[1],null}function $C(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelector"),e.endSelection=()=>{t.WebGPURenderer.setSelector(null)},e.getSourceDataAsync=async e=>{if(!e||!t._WebGPURenderWindow)return WC("Renderer and view must be set before calling Select."),!1;t._WebGPURenderWindow.getRenderable().preRender(),t._WebGPURenderWindow.getInitialized()||(t._WebGPURenderWindow.initialize(),await new Promise((e=>{t._WebGPURenderWindow.onInitialized(e)})));const n=t._WebGPURenderWindow.getViewNodeFor(e);if(!n)return!1;const r=n.getSuppressClear();n.setSuppressClear(!0),t._selectionPass.traverse(t._WebGPURenderWindow,n),n.setSuppressClear(r);const o=t._WebGPURenderWindow.getDevice(),a=t._selectionPass.getColorTexture(),i=t._selectionPass.getDepthTexture(),s={area:[0,0,a.getWidth()-1,a.getHeight()-1],captureZValues:t.captureZValues,fieldAssociation:t.fieldAssociation,renderer:e,webGPURenderer:n,webGPURenderWindow:t._WebGPURenderWindow,width:a.getWidth(),height:a.getHeight()};s.colorBufferWidth=16*Math.floor((s.width+15)/16),s.colorBufferSizeInBytes=s.colorBufferWidth*s.height*4*4;const l=Lh.newInstance({label:"hardwareSelectColorBuffer"});l.setDevice(o),l.create(s.colorBufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST);const c=t._WebGPURenderWindow.getCommandEncoder();let u;c.copyTextureToBuffer({texture:a.getHandle()},{buffer:l.getHandle(),bytesPerRow:16*s.colorBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1}),t.captureZValues&&(s.zbufferBufferWidth=64*Math.floor((s.width+63)/64),u=Lh.newInstance({label:"hardwareSelectDepthBuffer"}),u.setDevice(o),s.zbufferSizeInBytes=s.height*s.zbufferBufferWidth*4,u.create(s.zbufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST),c.copyTextureToBuffer({texture:i.getHandle(),aspect:"depth-only"},{buffer:u.getHandle(),bytesPerRow:4*s.zbufferBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1})),o.submitCommandEncoder(c);const d=l.mapAsync(GPUMapMode.READ);if(t.captureZValues){const e=u.mapAsync(GPUMapMode.READ);await Promise.all([d,e]),s.depthValues=new Float32Array(u.getMappedRange().slice()),u.unmap()}else await d;return s.colorValues=new Uint32Array(l.getMappedRange().slice()),l.unmap(),s.generateSelection=(e,t,n,r)=>function(e,t,n,r,o){const a=Math.floor(t),i=Math.floor(n),s=Math.floor(r),l=Math.floor(o),c=new Map,u=[0,0];for(let t=i;t<=l;t++)for(let n=a;n<=s;n++){const r=KC(e,[n,t],0,u);if(r){const t=HC(r);if(c.has(t)){const n=c.get(t);n.pixelCount++,e.captureZValues&&r.zValue{const i=Zp.newInstance();switch(i.setContentType(GC.INDICES),e){case zC.FIELD_ASSOCIATION_CELLS:i.setFieldType(UC.CELL);break;case zC.FIELD_ASSOCIATION_POINTS:i.setFieldType(UC.POINT);break;default:WC("Unknown field association")}i.getProperties().propID=t.info.propID;const s=n.webGPURenderer.getPropFromID(t.info.propID);i.getProperties().prop=s.getRenderable(),i.getProperties().compositeID=t.info.compositeID,i.getProperties().pixelCount=t.pixelCount,n.captureZValues&&(i.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],i.getProperties().worldPosition=n.webGPURenderWindow.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,n.renderer)),i.setSelectionList(t.attributeIDs),r[o]=i,o++})),r}(e.fieldAssociation,c,e)}(s,e,t,n,r),s}}const qC={};function XC(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,qC,n),Wp.extend(e,t,n),t._selectionPass=_C.newInstance(),jt.setGet(e,t,["_WebGPURenderWindow"]),jt.moveToProtected(e,t,["WebGPURenderWindow"]),$C(e,t)}var YC={newInstance:jt.newInstance(XC,"vtkWebGPUHardwareSelector"),extend:XC};const{vtkErrorMacro:ZC}=jt,QC={position:"absolute",top:0,left:0,width:"100%",height:"100%"};function JC(e,t){t.classHierarchy.push("vtkWebGPURenderWindow"),e.getViewNodeFactory=()=>t.myFactory;const n=[0,0];e.onModified((function(){t.renderable&&(t.size[0]===n[0]&&t.size[1]===n[1]||(n[0]=t.size[0],n[1]=t.size[1],t.canvas.setAttribute("width",t.size[0]),t.canvas.setAttribute("height",t.size[1]),e.recreateSwapChain())),t.viewStream&&t.viewStream.setSize(t.size[0],t.size[1]),t.canvas.style.display=t.useOffScreen?"none":"block",t.el&&(t.el.style.cursor=t.cursorVisibility?t.cursor:"none"),t.containerSize=null})),e.recreateSwapChain=()=>{t.context&&(t.context.unconfigure(),t.presentationFormat=navigator.gpu.getPreferredCanvasFormat(t.adapter),t.context.configure({device:t.device.getHandle(),format:t.presentationFormat,alphaMode:"premultiplied",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_DST,width:t.size[0],height:t.size[1]}),t._configured=!0)},e.getCurrentTexture=()=>t.context.getCurrentTexture(),e.buildPass=n=>{if(n){if(!t.renderable)return;e.prepareNodes(),e.addMissingNodes(t.renderable.getRenderersByReference()),e.removeUnusedNodes(),e.initialize()}else t.initialized&&(t._configured||e.recreateSwapChain(),t.commandEncoder=t.device.createCommandEncoder())},e.initialize=()=>{if(!t.initializing){if(t.initializing=!0,!navigator.gpu)return void ZC("WebGPU is not enabled.");e.create3DContextAsync().then((()=>{t.initialized=!0,t.deleted||e.invokeInitialized()}))}},e.setContainer=n=>{t.el&&t.el!==n&&(t.canvas.parentNode!==t.el&&ZC("Error: canvas parent node does not match container"),t.el.removeChild(t.canvas),t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)),t.el!==n&&(t.el=n,t.el&&(t.el.appendChild(t.canvas),t.useBackgroundImage&&t.el.appendChild(t.bgImage)),e.modified())},e.getContainer=()=>t.el,e.getContainerSize=()=>{if(!t.containerSize&&t.el){const{width:e,height:n}=t.el.getBoundingClientRect();t.containerSize=[e,n]}return t.containerSize||t.size},e.getFramebufferSize=()=>t.size,e.create3DContextAsync=async()=>{t.adapter=await navigator.gpu.requestAdapter({powerPreference:"high-performance"}),t.deleted||(t.device=BC.newInstance(),t.device.initialize(await t.adapter.requestDevice()),t.deleted?t.device=null:t.context=t.canvas.getContext("webgpu"))},e.releaseGraphicsResources=()=>{const n=sT.newInstance();n.setCurrentOperation("Release"),n.traverse(e,null),t.adapter=null,t.device=null,t.context=null,t.initialized=!1,t.initializing=!1},e.setBackgroundImage=e=>{t.bgImage.src=e.src},e.setUseBackgroundImage=e=>{t.useBackgroundImage=e,t.useBackgroundImage&&!t.el.contains(t.bgImage)?t.el.appendChild(t.bgImage):!t.useBackgroundImage&&t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)},e.captureNextImage=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"image/png",{resetCamera:r=!1,size:o=null,scale:a=1}=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(t.deleted)return null;t.imageFormat=n;const i=t.notifyStartCaptureImage;return t.notifyStartCaptureImage=!0,t._screenshot={size:o||1!==a?o||t.size.map((e=>e*a)):null},new Promise(((n,o)=>{const a=e.onImageReady((o=>{if(null===t._screenshot.size)t.notifyStartCaptureImage=i,a.unsubscribe(),t._screenshot.placeHolder&&(t.size=t._screenshot.originalSize,e.modified(),t._screenshot.cameras&&t._screenshot.cameras.forEach((e=>{let{restoreParamsFn:t,arg:n}=e;return t(n)})),e.traverseAllPasses(),t.el.removeChild(t._screenshot.placeHolder),t._screenshot.placeHolder.remove(),t._screenshot=null),n(o);else{const n=document.createElement("img");if(n.style=QC,n.src=o,t._screenshot.placeHolder=t.el.appendChild(n),t.canvas.style.display="none",t._screenshot.originalSize=t.size,t.size=t._screenshot.size,t._screenshot.size=null,e.modified(),r){const e=!0!==r;t._screenshot.cameras=t.renderable.getRenderers().map((t=>{const n=t.getActiveCamera(),o=n.get("focalPoint","position","parallelScale");return{resetCameraArgs:e?{renderer:t}:void 0,resetCameraFn:e?r:t.resetCamera,restoreParamsFn:n.set,arg:JSON.parse(JSON.stringify(o))}})),t._screenshot.cameras.forEach((e=>{let{resetCameraFn:t,resetCameraArgs:n}=e;return t(n)}))}e.traverseAllPasses()}}))}))},e.traverseAllPasses=()=>{if(!t.deleted)if(t.initialized){if(t.renderPasses)for(let n=0;n{!async function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:t.imageFormat;const r=document.createElement("canvas"),o=r.getContext("2d");r.width=t.canvas.width,r.height=t.canvas.height;const a=await e.getPixelsAsync(),i=new ImageData(a.colorValues,a.width,a.height);o.putImageData(i,0,0);const s=t.canvas.getBoundingClientRect(),l=t.renderable;l.getRenderers().forEach((e=>{e.getViewProps().forEach((e=>{if(e.getContainer){const t=e.getContainer().getElementsByTagName("canvas");for(let e=0;e{t.unsubscribe(),e.traverseAllPasses()}))}},e.setViewStream=n=>t.viewStream!==n&&(t.subscription&&(t.subscription.unsubscribe(),t.subscription=null),t.viewStream=n,t.viewStream&&(t.renderable.getRenderers()[0].getBackgroundByReference()[3]=0,e.setUseBackgroundImage(!0),t.subscription=t.viewStream.onImageReady((t=>e.setBackgroundImage(t.image))),t.viewStream.setSize(t.size[0],t.size[1]),t.viewStream.invalidateCache(),t.viewStream.render(),e.modified()),!0),e.getUniquePropID=()=>t.nextPropID++,e.getPropFromID=e=>{for(let n=0;n{const e=t.device,n=t.renderPasses[0].getOpaquePass().getColorTexture(),r={width:n.getWidth(),height:n.getHeight()};r.colorBufferWidth=32*Math.floor((r.width+31)/32),r.colorBufferSizeInBytes=r.colorBufferWidth*r.height*8;const o=Lh.newInstance();o.setDevice(e),o.create(r.colorBufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST);const a=t.device.createCommandEncoder();a.copyTextureToBuffer({texture:n.getHandle()},{buffer:o.getHandle(),bytesPerRow:8*r.colorBufferWidth,rowsPerImage:r.height},{width:r.width,height:r.height,depthOrArrayLayers:1}),e.submitCommandEncoder(a);const i=o.mapAsync(GPUMapMode.READ);await i,r.colorValues=new Uint16Array(o.getMappedRange().slice()),o.unmap();const s=new Uint8ClampedArray(r.height*r.width*4);for(let e=0;e{const t=YC.newInstance();return t.setWebGPURenderWindow(e),t};const r=e.setSize;e.setSize=(t,n)=>{const o=r(t,n);return o&&e.invokeWindowResizeEvent({width:t,height:n}),o},e.delete=jt.chain(e.delete,e.setViewStream)}const eS={initialized:!1,context:null,adapter:null,device:null,canvas:null,cursorVisibility:!0,cursor:"pointer",containerSize:null,renderPasses:[],notifyStartCaptureImage:!1,imageFormat:"image/png",useOffScreen:!1,useBackgroundImage:!1,nextPropID:1,xrSupported:!1,presentationFormat:null};const tS=jt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,eS,n),t.canvas=document.createElement("canvas"),t.canvas.style.width="100%",t.bgImage=new Image,t.bgImage.style.position="absolute",t.bgImage.style.left="0",t.bgImage.style.top="0",t.bgImage.style.width="100%",t.bgImage.style.height="100%",t.bgImage.style.zIndex="-1",LT.extend(e,t,n),t.myFactory=Nm.newInstance(),t.myFactory.registerOverride("vtkRenderWindow",tS),t.renderPasses[0]=AC.newInstance(),t.selector||(t.selector=YC.newInstance(),t.selector.setWebGPURenderWindow(e)),jt.event(e,t,"imageReady"),jt.event(e,t,"initialized"),jt.get(e,t,["commandEncoder","device","presentationFormat","useBackgroundImage","xrSupported"]),jt.setGet(e,t,["initialized","context","canvas","device","renderPasses","notifyStartCaptureImage","cursor","useOffScreen"]),jt.setGetArray(e,t,["size"],2),jt.event(e,t,"windowResizeEvent"),JC(e,t)}),"vtkWebGPURenderWindow");px("WebGPU",tS);const nS=rT();function rS(e,t){const n=e.invokeResize;delete e.invokeResize,t.renderWindow=vx.newInstance(),t.renderer=ux.newInstance(),t.renderWindow.addRenderer(t.renderer),t._apiSpecificRenderWindow=t.renderWindow.newAPISpecificView(nS.viewAPI??t.defaultViewAPI),t.renderWindow.addView(t._apiSpecificRenderWindow),t.interactor=Bx.newInstance(),t.interactor.setInteractorStyle(eT.newInstance()),t.interactor.setView(t._apiSpecificRenderWindow),t.interactor.initialize(),e.setBackground=t.renderer.setBackground,e.setBackground(...t.background),e.resize=()=>{if(t.container){const e=t.container.getBoundingClientRect(),r=window.devicePixelRatio||1;t._apiSpecificRenderWindow.setSize(Math.floor(e.width*r),Math.floor(e.height*r)),n(),t.renderWindow.render()}},e.setContainer=e=>{t.container&&t.interactor.unbindEvents(t.container),t.container=e,t._apiSpecificRenderWindow.setContainer(t.container),t.container&&t.interactor.bindEvents(t.container)},e.delete=jt.chain(e.setContainer,t._apiSpecificRenderWindow.delete,e.delete),t.listenWindowResize&&window.addEventListener("resize",e.resize),e.resize()}const oS={background:[.32,.34,.43],listenWindowResize:!0,container:null};function aS(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,oS,n),jt.obj(e,t),jt.get(e,t,["renderWindow","renderer","_apiSpecificRenderWindow","interactor","container"]),jt.moveToProtected(e,t,["_apiSpecificRenderWindow"]),jt.event(e,t,"resize"),rS(e,t)}var iS={newInstance:jt.newInstance(aS),extend:aS};function sS(e,t){t.classHierarchy.push("vtkAbstractImageMapper"),e.getIsOpaque=()=>!0,e.getCurrentImage=()=>null,e.getBoundsForSlice=()=>(jt.vtkErrorMacro("vtkAbstractImageMapper.getBoundsForSlice - NOT IMPLEMENTED"),Na())}const lS={slice:0,customDisplayExtent:[0,0,0,0,0,0],useCustomExtents:!1,backgroundColor:[0,0,0,1]};var cS=function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,lS,n),Fs(e,t,n),jt.setGet(e,t,["slice","useCustomExtents"]),jt.setGetArray(e,t,["customDisplayExtent"],6),jt.setGetArray(e,t,["backgroundColor"],4),sS(e,t)};function uS(e,t,n){const r=n.getCurrentImage(),o=r.getExtent(),a=[o[0],o[2],o[4]],{ijkMode:i}=n.getClosestIJKAxis();let s=n.isA("vtkImageArrayMapper")?n.getSubSlice():n.getSlice();i!==n.getSlicingMode()&&(s=n.getSliceAtPosition(s)),a[i]+=s;const l=[0,0,0];r.indexToWorld(a,l),a[i]+=1;const c=[0,0,0];r.indexToWorld(a,c),c[0]-=l[0],c[1]-=l[1],c[2]-=l[2],Rn(c,c);const u=ei.intersectWithLine(e,t,l,c);if(u.intersection){const e=u.x,t=[0,0,0];return r.worldToIndex(e,t),{t:u.t,absoluteIJK:t}}return null}const{staticOffsetAPI:dS,otherStaticMethods:pS}=Wl,{SlicingMode:fS}=ug;function gS(e,t){function n(){let n;switch(t.slicingMode){case fS.X:n=0;break;case fS.Y:n=1;break;case fS.Z:n=2;break;default:return void(t.closestIJKAxis={ijkMode:t.slicingMode,flip:!1})}const r=ka(e.getCurrentImage().getDirection());let o=0;for(;o<3&&0===r[n+3*o];++o);const a=r[n+3*o]<0;t.closestIJKAxis={ijkMode:o,flip:a}}t.classHierarchy.push("vtkImageMapper"),e.getSliceAtPosition=n=>{const r=e.getCurrentImage();let o;if(3===n.length)o=n;else if(Number.isFinite(n)){const e=r.getBounds();switch(t.slicingMode){case fS.X:o=[n,(e[3]+e[2])/2,(e[5]+e[4])/2];break;case fS.Y:o=[(e[1]+e[0])/2,n,(e[5]+e[4])/2];break;case fS.Z:o=[(e[1]+e[0])/2,(e[3]+e[2])/2,n]}}const a=[0,0,0];r.worldToIndex(o,a);const i=r.getExtent(),{ijkMode:s}=e.getClosestIJKAxis();let l=0;switch(s){case fS.I:l=Ma(a[0],i[0],i[1]);break;case fS.J:l=Ma(a[1],i[2],i[3]);break;case fS.K:l=Ma(a[2],i[4],i[5]);break;default:return 0}return l},e.setSliceFromCamera=n=>{const r=n.getFocalPoint();switch(t.slicingMode){case fS.I:case fS.J:case fS.K:{const t=e.getSliceAtPosition(r);e.setSlice(t)}break;case fS.X:e.setSlice(r[0]);break;case fS.Y:e.setSlice(r[1]);break;case fS.Z:e.setSlice(r[2])}},e.setXSlice=t=>{e.setSlicingMode(fS.X),e.setSlice(t)},e.setYSlice=t=>{e.setSlicingMode(fS.Y),e.setSlice(t)},e.setZSlice=t=>{e.setSlicingMode(fS.Z),e.setSlice(t)},e.setISlice=t=>{e.setSlicingMode(fS.I),e.setSlice(t)},e.setJSlice=t=>{e.setSlicingMode(fS.J),e.setSlice(t)},e.setKSlice=t=>{e.setSlicingMode(fS.K),e.setSlice(t)},e.getSlicingModeNormal=()=>{const n=[0,0,0],r=e.getCurrentImage().getDirection();switch(t.slicingMode){case fS.X:n[0]=1;break;case fS.Y:n[1]=1;break;case fS.Z:n[2]=1;break;case fS.I:na(r,[1,0,0],n);break;case fS.J:na(r,[0,1,0],n);break;case fS.K:na(r,[0,0,1],n)}return n},e.setSlicingMode=r=>{t.slicingMode!==r&&(t.slicingMode=r,e.getCurrentImage()&&n(),e.modified())},e.getClosestIJKAxis=()=>(void 0!==t.closestIJKAxis&&t.closestIJKAxis.ijkMode!==fS.NONE||!e.getCurrentImage()||n(),t.closestIJKAxis),e.getBounds=()=>{const n=e.getCurrentImage();if(!n)return Na();if(!t.useCustomExtents)return n.getBounds();const r=t.customDisplayExtent.slice(),{ijkMode:o}=e.getClosestIJKAxis();let a=t.slice;switch(o!==t.slicingMode&&(a=e.getSliceAtPosition(t.slice)),o){case fS.I:r[0]=a,r[1]=a;break;case fS.J:r[2]=a,r[3]=a;break;case fS.K:r[4]=a,r[5]=a}return n.extentToBounds(r)},e.getBoundsForSlice=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:t.slice,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const o=e.getCurrentImage();if(!o)return Na();const a=o.getSpatialExtent(),{ijkMode:i}=e.getClosestIJKAxis();let s=n;switch(i!==t.slicingMode&&(s=e.getSliceAtPosition(n)),i){case fS.I:a[0]=s-r,a[1]=s+r;break;case fS.J:a[2]=s-r,a[3]=s+r;break;case fS.K:a[4]=s-r,a[5]=s+r}return o.extentToBounds(a)},e.intersectWithLineForPointPicking=(t,n)=>function(e,t,n){const r=uS(e,t,n);if(r){const e=n.getCurrentImage().getExtent(),t=[Math.round(r.absoluteIJK[0]),Math.round(r.absoluteIJK[1]),Math.round(r.absoluteIJK[2])];return t[0]e[1]||t[1]e[3]||t[2]e[5]?null:{t:r.t,ijk:t}}return null}(t,n,e),e.intersectWithLineForCellPicking=(t,n)=>function(e,t,n){const r=uS(e,t,n);if(r){const e=n.getCurrentImage().getExtent(),t=r.absoluteIJK,o=[Math.floor(t[0]),Math.floor(t[1]),Math.floor(t[2])];if(o[0]e[1]-1||o[1]e[3]-1||o[2](e[5]?e[5]-1:e[5]))return null;const a=[t[0]-o[0],t[1]-o[1],t[2]-o[2]];return{t:r.t,ijk:o,pCoords:a}}return null}(t,n,e),e.getCurrentImage=()=>e.getInputData()}const mS={slicingMode:fS.NONE,closestIJKAxis:{ijkMode:fS.NONE,flip:!1},renderToRectangle:!1,sliceAtFocalPoint:!1,preferSizeOverAccuracy:!1};function hS(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,mS,n),cS(e,t,n),jt.get(e,t,["slicingMode"]),jt.setGet(e,t,["closestIJKAxis","renderToRectangle","sliceAtFocalPoint","preferSizeOverAccuracy"]),Wl.implementCoincidentTopologyMethods(e,t),gS(e,t)}var vS={newInstance:jt.newInstance(hS,"vtkImageMapper"),extend:hS,...dS,...pS,...ug};const yS={CLAMP:0,REPEAT:1,MIRROR:2},bS={NEAREST:0,LINEAR:1,CUBIC:2};var xS={ImageBorderMode:yS,InterpolationMode:bS};const TS={pointer:null,extent:[0,-1,0,-1,0,-1],increments:[0,0,0],scalarType:null,dataTypeSize:1,numberOfComponents:1,borderMode:yS.CLAMP,interpolationMode:bS.LINEAR,extraInfo:null},CS={...TS,positions:[0,0,0],weights:null,weightExtent:[0,-1,0,-1,0,-1],kernelSize:[1,1,1],workspace:null,lastY:null,lastZ:null};function SS(e){const t=Math.floor(e);return{floored:t,error:e-t}}function PS(e){return Math.round(e)}function AS(e,t,n){let r=e<=n?e:n;return r-=t,r=r>=0?r:0,r}function IS(e,t,n){const r=n-t+1;let o=e-t;return o%=r,o=o>=0?o:o+r,o}function wS(e,t,n){const r=n-t,o=2*r+(0===r?1:0);let a=e-t;return a=a>=0?a:-a,a%=o,a=a<=r?a:o-a,a}const{ImageBorderMode:OS}=xS;function MS(e,t){t.classHierarchy.push("vtkAbstractImageInterpolator"),e.initialize=n=>{e.releaseData(),t.scalars=n.getPointData().getScalars(),t.spacing=n.getSpacing(),t.origin=n.getOrigin(),t.extent=n.getExtent(),e.update()},e.releaseData=()=>{t.scalars=null},e.update=()=>{if(!t.scalars)return t.interpolationInfo.pointer=null,void(t.interpolationInfo.numberOfComponents=1);t.interpolationInfo.extent=t.extent.slice();const n=e.computeSupportSize(null),r=Math.max(Math.max(n[0],n[1]),n[2]),o=Number.MIN_SAFE_INTEGER+r/2,a=Number.MAX_SAFE_INTEGER-r/2;for(let e=0;e<3;++e){const n=Math.max(.5*(t.extent[2*e]===t.extent[2*e+1]),t.tolerance);t.structuredBounds[2*e]=Math.max(t.extent[2*e]-n,o),t.structuredBounds[2*e+1]=Math.min(t.extent[2*e+1]+n,a)}const i=t.extent[1]-t.extent[0]+1,s=t.extent[3]-t.extent[2]+1,l=t.scalars.getNumberOfComponents();t.interpolationInfo.increments[0]=l,t.interpolationInfo.increments[1]=t.interpolationInfo.increments[0]*i,t.interpolationInfo.increments[2]=t.interpolationInfo.increments[1]*s;let c=t.componentOffset;c=c>0?c:0,c=c{},e.interpolateXYZ=(n,r,o,a)=>{let i=t.outValue;const s=[n,r,o],l=[(s[0]-t.origin[0])/t.spacing[0],(s[1]-t.origin[1])/t.spacing[1],(s[2]-t.origin[2])/t.spacing[2]];if(e.checkBoundsIJK(l)){const n={...t.interpolationInfo},r=n.increments[0]-t.componentOffset,o=1;let s=a>0?a:0;s=s{const o=[(n[0]-t.origin[0])/t.spacing[0],(n[1]-t.origin[1])/t.spacing[1],(n[2]-t.origin[2])/t.spacing[2]];if(e.checkBoundsIJK(o))return e.interpolatePoint(t.interpolationInfo,o,r),!0;for(let e=0;e{const n=Math.min(Math.max(t.componentOffset,0),e-1),r=t.componentCount0?r:e-n},e.getNumberOfComponents=()=>t.interpolationInfo.numberOfComponents,e.interpolateIJK=(n,r)=>{e.interpolatePoint(t.interpolationInfo,n,r)},e.checkBoundsIJK=e=>!(e[0]t.structuredBounds[1]||e[1]t.structuredBounds[3]||e[2]t.structuredBounds[5]),e.computeSupportSize=null,e.isSeparable=null,e.precomputeWeightsForExtent=(e,t,n)=>{},e.FreePrecomputedWeights=e=>{},e.interpolatePoint=(e,t,n)=>{},e.interpolateRow=(e,t,n,r,o,a)=>{}}const RS={outValue:0,tolerance:Number.EPSILON,componentOffset:0,componentCount:-1,borderMode:OS.CLAMP,slidingWindow:!1,scalars:null,interpolationInfo:{...TS},interpolationFunc:null,rowInterpolationFunc:null,structuredBounds:[0,-1,0,-1,0,-1],spacing:null,origin:null,extent:null};function VS(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,RS,n),jt.obj(e,t),jt.setGet(e,t,["outValue","tolerance","componentOffset","componentCount","borderMode","slidingWindow"]),jt.get(e,t,["origin","spacing"]),MS(e,t)}var ES={newInstance:jt.newInstance(VS,"vtkAbstractImageInterpolator"),extend:VS,...xS};function DS(e,t){t.classHierarchy.push("vtkImageInterpolator"),e.computeSupportSize=e=>{let n=1;t.interpolationMode===bS.LINEAR?n=2:t.interpolationMode===bS.CUBIC&&(n=4);const r=[n,n,n];if(null==e)return r;if(0!==e[12]||0!==e[13]||0!==e[14]||1!==e[15])return r;for(let t=0;t<3;++t){let n=!0;for(let r=0;r<3;++r)n=n&&Number.isInteger(e[4*t+r]);n&&(r[t]=1)}return r},e.internalUpdate=()=>{t.interpolationInfo.interpolationMode=t.interpolationMode},e.isSeparable=()=>!0,e.interpolateNearest=(e,t,n)=>{const r=e.extent,o=e.increments,a=e.numberOfComponents;let i=PS(t[0]),s=PS(t[1]),l=PS(t[2]);switch(e.borderMode){case yS.REPEAT:i=IS(i,r[0],r[1]),s=IS(s,r[2],r[3]),l=IS(l,r[4],r[5]);break;case yS.MIRROR:i=wS(i,r[0],r[1]),s=wS(s,r[2],r[3]),l=wS(l,r[4],r[5]);break;default:i=AS(i,r[0],r[1]),s=AS(s,r[2],r[3]),l=AS(l,r[4],r[5])}const c=i*o[0]+s*o[1]+l*o[2];for(let t=0;t{const r=e.extent,o=e.increments,a=e.numberOfComponents,i=SS(t[0]),s=SS(t[1]),l=SS(t[2]);let c=i.floored,u=s.floored,d=l.floored;const p=i.error,f=s.error,g=l.error;let m=c+(0!==p),h=u+(0!==f),v=d+(0!==g);switch(e.borderMode){case yS.REPEAT:c=IS(c,r[0],r[1]),u=IS(u,r[2],r[3]),d=IS(d,r[4],r[5]),m=IS(m,r[0],r[1]),h=IS(h,r[2],r[3]),v=IS(v,r[4],r[5]);break;case yS.MIRROR:c=wS(c,r[0],r[1]),u=wS(u,r[2],r[3]),d=wS(d,r[4],r[5]),m=wS(m,r[0],r[1]),h=wS(h,r[2],r[3]),v=wS(v,r[4],r[5]);break;default:c=AS(c,r[0],r[1]),u=AS(u,r[2],r[3]),d=AS(d,r[4],r[5]),m=AS(m,r[0],r[1]),h=AS(h,r[2],r[3]),v=AS(v,r[4],r[5])}const y=c*o[0],b=m*o[0],x=u*o[1],T=h*o[1],C=d*o[2],S=v*o[2],P=x+C,A=x+S,I=T+C,w=T+S,O=1-p,M=1-f,R=1-g,V=M*R,E=f*R,D=M*g,L=f*g,B=e.pointer;for(let e=0;e{switch(t.interpolationMode){case bS.LINEAR:e.interpolateLinear(n,r,o);break;case bS.CUBIC:console.log("CUBIC not implemented");break;default:e.interpolateNearest(n,r,o)}},e.interpolateRowNearest=(e,t,n,r,o,a)=>{const i=e.positions[0].subarray(t),s=e.positions[1].subarray(n),l=e.positions[2].subarray(r),c=e.pointer.subarray(s[0]+l[0]),u=e.numberOfComponents;for(let e=0;e{const i=e.kernelSize[0],s=e.kernelSize[1],l=e.kernelSize[2],c=t*i,u=n*s,d=r*l,p=e.weights[0].subarray(c),f=e.weights[1].subarray(u),g=e.weights[2].subarray(d),m=e.positions[0].subarray(c),h=e.positions[1].subarray(u),v=e.positions[2].subarray(d),y=e.pointer,b=e.numberOfComponents,x=h.subarray(v[0]);let T=x,C=x,S=x,P=1,A=0,I=1,w=0;2===s&&(C=h[1].subarray(v[0]),S=C,P=f[0],A=f[1]),2===l&&(T=h[0].subarray(v[1]),S=T,I=g[0],w=g[1]),s+l===4&&(S=h[1].subarray(v[1]));const O=P*I,M=P*w,R=A*I,V=A*w;if(1===i)if(0===A&&0===w)for(let e=a;e>0;--e)for(let t=0;t0;--e)for(let t=0;t0;--e)for(let t=0;t0;--t){const n=p[0+2*e],r=p[1+2*e],i=m[0+2*e],s=m[1+2*e];for(let e=0;e0;--t){const t=p[0+2*e],n=p[1+2*e],r=m[0+2*e],a=m[1+2*e];for(let e=0;e{switch(t.interpolationMode){case bS.LINEAR:e.interpolateRowLinear(n,r,o,a,i,s);break;case bS.CUBIC:console.log("CUBIC not implemented");break;default:e.interpolateRowNearest(n,r,o,a,i,s)}},e.vtkTricubicInterpWeights=e=>{const t=e-1,n=.5*e,r=3*e;return[-n*t*t,((r-2)*n-1)*t,-((r-4)*e-1)*n,e*n*t]},e.precomputeWeightsForExtent=(n,r,o)=>{const a={...CS.newInstance(),...t.interpolationInfo};a.weightType="Float32Array";const i=a.interpolationMode;let s=!0;for(let l=0;l<3;++l){let c;for(c=0;c<3&&0===n[4*l+c];++c);o[2*l]=r[2*l],o[2*l+1]=r[2*l+1];const u=a.extent[2*c],d=a.extent[2*c+1],p=t.structuredBounds[2*c],f=t.structuredBounds[2*c+1];let g=1;g=i1)if(i===bS.LINEAR)v[g*t+1-y]=T[1]*S,b[g*t-y]=1-h,b[g*t+1-y]=h;else if(i===bS.CUBIC){const n=e.vtkTricubicInterpWeights(h);if(4===g)for(let e=0;e<4;e++)v[g*t+e-y]=T[e]*S,b[g*t+e-y]=n[e];else{const e=[0,0,0,0];for(let t=0;t<4;t++)e[T[t]-u]+=n[t];for(let n=0;n=p&&r<=f?0===x&&(x=1,o[2*l]=t):1===x&&(x=2,o[2*l+1]=t-1)}(0===x||o[2*l]>o[2*l+1])&&(s=!1)}if(!s)for(let e=0;e<3;e++)o[2*e]=r[2*e],o[2*e+1]=r[2*e]-1}}const LS={interpolationMode:bS.NEAREST};function BS(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,LS,n),ES.extend(e,t,n),jt.setGet(e,t,["interpolationMode"]),DS(e,t)}var NS={newInstance:jt.newInstance(BS,"vtkImageInterpolator"),extend:BS};function kS(e,t){t.classHierarchy.push("vtkImagePointDataIterator"),e.initialize=(e,n,r,o)=>{const a=e.getExtent();let i=n;null==i&&(i=a);let s,l,c,u=!1;for(let e=0;e<6;e+=2)t.extent[e]=Math.max(i[e],a[e]),t.extent[e+1]=Math.min(i[e+1],a[e+1]),t.extent[e]>t.extent[e+1]&&(u=!0);if(t.rowIncrement=a[1]-a[0]+1,t.sliceIncrement=t.rowIncrement*(a[3]-a[2]+1),u){s=0,l=0,c=0,t.id=0,t.rowEndIncrement=0,t.sliceEndIncrement=0;for(let e=0;e<6;e+=2)t.extent[e]=a[e],t.extent[e+1]=a[e]-1}else s=t.extent[1]-t.extent[0]+1,l=t.extent[3]-t.extent[2]+1,c=t.extent[5]-t.extent[4]+1,t.id=t.extent[0]-a[0]+(t.extent[2]-a[2])*t.rowIncrement+(t.extent[4]-a[4])*t.sliceIncrement,t.rowEndIncrement=t.rowIncrement-s,t.sliceEndIncrement=t.rowEndIncrement+t.sliceIncrement-t.rowIncrement*l;if(t.spanEnd=t.id+s,t.rowEnd=t.id+s,t.sliceEnd=t.id+(t.rowIncrement*l-t.rowEndIncrement),t.end=t.id+(t.sliceIncrement*c-t.sliceEndIncrement),t.index[0]=t.extent[0],t.index[1]=t.extent[2],t.index[2]=t.extent[4],t.startY=t.index[1],r){t.hasStencil=!0,t.inStencil=!1,t.spanIndex=0;const e=r.getExtent();if(t.spanSliceIncrement=0,t.spanSliceEndIncrement=0,e[3]>=e[2]&&e[5]>=e[4]){t.spanSliceIncrement=e[3]-e[2]+1;const n=t.extent[2]-e[2];n>=0&&(t.spanSliceEndIncrement+=n);const r=e[3]-t.extent[3];r>=0&&(t.spanSliceEndIncrement+=r)}let n=0;const o=t.extent[2]-e[2];o<0?(t.extent[2]=e[2],n-=1):n+=o,e[3]<=t.extent[3]&&(t.extent[3]=e[3]);const a=t.extent[4]-e[4];a<0?(t.extent[4]=e[4],o>=0&&(n-=1+t.spanSliceEndIncrement)):n+=a*t.spanSliceIncrement,e[5]<=t.extent[5]&&(t.extent[5]=e[5]),t.extent[2]<=t.extent[3]&&t.extent[4]<=t.extent[5]?(t.spanCountPointer=r.extentListLengths.subarray(n),t.spanListPointer=r.extentLists.subarray(n),o>=0&&a>=0&&(t.inStencil=!0,t.setSpanState(t.extent[0]))):(t.spanCountPointer=null,t.spanListPointer=null,t.inStencil=!1)}else t.hasStencil=!1,t.inStencil=!0,t.spanSliceEndIncrement=0,t.spanSliceIncrement=0,t.spanIndex=0,t.spanCountPointer=null,t.spanListPointer=null;if(o){t.algorithm=o;const e=l*c;t.target=e/50+1,t.count=50*t.target-e/t.target*t.target+1}else t.algorithm=null,t.target=0,t.count=0},e.setSpanState=e=>{let n=!1;const r=t.spanListPointer,o=t.spanCountPointer[0];let a;for(a=0;ae);++a)n=!n;t.spanIndex=a,t.inStencil=n;let i=t.extent[1]+1;a{if(t.spanEnd===t.rowEnd){let n=1;if(t.spanEnd!==t.sliceEnd)t.id=t.rowEnd+t.rowEndIncrement,t.rowEnd+=t.rowIncrement,t.spanEnd=t.rowEnd,t.index[1]++;else{if(t.spanEnd===t.end)return void(t.id=t.end);t.id=t.sliceEnd+t.sliceEndIncrement,t.sliceEnd+=t.sliceIncrement,t.rowEnd=t.id+(t.rowIncrement-t.rowEndIncrement),t.spanEnd=t.rowEnd,t.index[1]=t.startY,t.index[2]++,n+=t.spanSliceEndIncrement}t.index[0]=t.extent[0],t.hasStencil&&(t.index[1]>=t.extent[2]&&t.index[1]<=t.extent[3]&&t.index[2]>=t.extent[4]&&t.index[2]<=t.extent[5]?(t.spanCountPointer=t.spanCountPointer.subarray(n),t.spanListPointer=t.spanListPointer.subarray(n),e.setSpanState(t.extent[0])):t.inStencil=!1),t.algorithm&&e.reportProgress()}else{t.id=t.spanEnd;const e=t.spanCountPointer[0];let n=t.extent[1]+1;if(t.index[0]=n,t.spanIndext.id===t.end,e.isInStencil=()=>t.inStencil,e.spanEndId=()=>t.spanEnd,e.reportProgress=()=>{},e.getArray=(e,t)=>e.getData().subarray(t*e.getNumberOfComponents()),e.getScalars=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;return e.getArray(t.getPointData().getScalars(),n)}}const FS={spanState:0,extent:[0,-1,0,-1,0,-1],end:0,spanEnd:0,rowEnd:0,sliceEnd:0,rowIncrement:0,rowEndIncrement:0,sliceIncrement:0,sliceEndIncrement:0,id:0,index:[0,0,0],startY:0,hasStencil:!1,inStencil:!0,spanIndex:0,spanSliceIncrement:0,spanSliceEndIncrement:0,spanCountPointer:null,spanListPointer:null,algorithm:null,target:0,count:0};function _S(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,FS,n),jt.obj(e,t),jt.get(e,t,["id","index"]),kS(e,t)}var GS={newInstance:jt.newInstance(_S,"vtkImagePointDataIterator"),extend:_S};const US={MIN:0,MAX:1,MEAN:2,SUM:3};var zS={SlabMode:US};const{SlabMode:WS}=zS,{vtkErrorMacro:HS}=jt;function jS(e,t){t.classHierarchy.push("vtkImageReslice");const n={...e},r=g(new Float64Array(16));let o=null;function a(e,t,n,r){const o=n-1;for(let n=0;n{let e=n.getMTime();return t.resliceTransform&&(e=Math.max(e,t.resliceTransform.getMTime())),e},e.setResliceAxes=n=>(t.resliceAxes||(t.resliceAxes=g(new Float64Array(16))),!ne(t.resliceAxes,n)&&(d(t.resliceAxes,n),e.modified(),!0)),e.requestData=(n,a)=>{const i=n[0];if(!i)return void HS("Invalid or missing input");const s=i.getOrigin(),l=i.getSpacing(),c=i.getDimensions(),u=i.getPointData().getScalars(),d=[0,c[0]-1,0,c[1]-1,0,c[2]-1],p=[0,0,0],f=[1,1,1],m=[0,0,0,0,0,0],v=[0,0,0],y=g(new Float64Array(16));t.resliceAxes&&b(y,y,t.resliceAxes);const x=new Float64Array(16);h(x,y);const T=[s[0]+.5*(d[0]+d[1])*l[0],s[1]+.5*(d[2]+d[3])*l[1],s[2]+.5*(d[4]+d[5])*l[2]];let C=null;t.autoCropOutput&&(C=e.getAutoCroppedOutputBounds(i));for(let e=0;e<3;e++){let n=0,r=0,o=0,a=0;if(t.transformInputSampling){let t=0;for(let i=0;i<3;i++){a+=x[4*i+e]*(T[i]-y[12+i]);const s=y[4*e+i]*y[4*e+i];n+=s*Math.abs(l[i]),r+=s*(d[2*i+1]-d[2*i])*Math.abs(l[i]),o+=s*d[2*i],t+=s}n/=t,r/=t*Math.sqrt(t),o/=t}else a=T[e],n=l[e],r=(d[2*e+1]-d[2*e])*n,o=d[2*e];null==t.outputSpacing?f[e]=n:f[e]=t.outputSpacing[e],e>=t.outputDimensionality?(m[2*e]=0,m[2*e+1]=0):null==t.outputExtent?(t.autoCropOutput&&(r=C[2*e+1]-C[2*e]),m[2*e]=Math.round(o),m[2*e+1]=Math.round(m[2*e]+Math.abs(r/f[e]))):(m[2*e]=t.outputExtent[2*e],m[2*e+1]=t.outputExtent[2*e+1]),e>=t.outputDimensionality?p[e]=0:null==t.outputOrigin?t.autoCropOutput?p[e]=C[2*e]-m[2*e]*f[e]:p[e]=a-.5*(m[2*e]+m[2*e+1])*f[e]:p[e]=t.outputOrigin[e],v[e]=m[2*e+1]-m[2*e]+1}let S=u.getDataType();t.outputScalarType&&(S=t.outputScalarType);const P=i.getPointData().getScalars().getNumberOfComponents(),A=jt.newTypedArray(S,v[0]*v[1]*v[2]*P),I=Es.newInstance({name:"Scalars",values:A,numberOfComponents:P}),w=gl.newInstance();w.setDimensions(v),w.setOrigin(p),w.setSpacing(f),t.outputDirection&&w.setDirection(t.outputDirection),w.getPointData().setScalars(I),e.getIndexMatrix(i,w);let O=t.interpolationMode;t.usePermuteExecute=!1,t.optimization&&null==o&&1===t.slabSliceSpacingFraction&&t.interpolator.isSeparable()&&e.isPermutationMatrix(r)&&(t.usePermuteExecute=!0,e.canUseNearestNeighbor(r,m)&&(O=bS.NEAREST)),t.interpolator.setInterpolationMode(O);let M=yS.CLAMP;M=t.wrap?yS.REPEAT:M,M=t.mirror?yS.MIRROR:M,t.interpolator.setBorderMode(M);const R=762939453125e-17;let V=.5*t.border;V=M===yS.CLAMP?V:4294967294,V=V>R?V:R,t.interpolator.setTolerance(V),t.interpolator.initialize(i),e.vtkImageResliceExecute(i,w),t.interpolator.releaseData(),a[0]=w},e.vtkImageResliceExecute=(n,a)=>{const i=n.getPointData().getScalars(),s=a.getPointData().getScalars();let l=s.getData();const c=a.getExtent(),u=r,d=Math.max(t.slabNumberOfSlices,1),p=t.slabSliceSpacingFraction,f=e.isPerspectiveMatrix(u);let g=i.getData();const m=i.getDataType(),h=i.getNumberOfComponents(),v=t.interpolator.getComponentOffset(),y=t.interpolator.getBorderMode(),b=n.getDimensions(),x=[0,b[0]-1,0,b[1]-1,0,b[2]-1],T=[0,0,0];T[0]=i.getNumberOfComponents(),T[1]=T[0]*b[0],T[2]=T[1]*b[1];const C=b[0]*b[1]*b[2];v>0&&v+hbS.LINEAR||d>1&&t.slabMode===WS.SUM,B=e.getConversionFunc(m,I,t.scalarShift,t.scalarScale,L),N=e.getSetPixelsFunc(I,1,w,l),k=e.getCompositeFunc(t.slabMode,t.slabTrapezoidIntegration);let F=c[2]-1,_=c[4]-1;const G=[0,0,0,0],U=[0,0,0,0],z=GS.newInstance();z.initialize(a,c,t.stencil,null);const W=z.getScalars(a,0);let H=0;const j=jt.newTypedArray(I,Fi.getDiagonalLength(c)*w*2),K=new Float64Array(h*d),$=new Float64Array(h);for(;!z.isAtEnd();z.nextSpan()){const n=z.spanEndId()-z.getId();if(H=1*z.getId()*w,z.isInStencil()){const r=z.getIndex();r[2]>_&&(_=r[2],G[0]=V[0]+_*R[0],G[1]=V[1]+_*R[1],G[2]=V[2]+_*R[2],G[3]=V[3]+_*R[3],F=c[2]-1),r[1]>F&&(F=r[1],U[0]=G[0]+F*M[0],U[1]=G[1]+F*M[1],U[2]=G[2]+F*M[2],U[3]=G[3]+F*M[3]);const a=r[0],i=a+n-1;if(A){const e=g,t=l,n=1*T[0],r=1*T[1],o=1*T[2],s=x[1]-x[0]+1,c=x[3]-x[2]+1,u=x[5]-x[4]+1;let d=a,p=a-1,f=!1;const m=1*h;for(let t=a;t<=i;t++){const i=[U[0]+t*O[0],U[1]+t*O[1],U[2]+t*O[2]],l=PS(i[0])-x[0],g=PS(i[1])-x[2],h=PS(i[2])-x[4];if(l>=0&&l=0&&g=0&&h1){let e=n-.5*(d-1);e*=p,s[0]=i[0]+e*R[0],s[1]=i[1]+e*R[1],s[2]=i[2]+e*R[2],s[3]=i[3]+e*R[3],g=s}if(f){const e=1/g[3];g[0]*=e,g[1]*=e,g[2]*=e}if(null!==o){const n=t.interpolator.getOrigin(),r=t.interpolator.getSpacing(),a=[1/r[0],1/r[1],1/r[2]];e.applyTransform(o,g,n,a)}if(t.interpolator.checkBoundsIJK(g)){r=1,t.interpolator.interpolateIJK(g,$);for(let e=0;eh&&k(K,h,m/h);for(let e=0;ea?n:r}const g=l-1-(r!==n)-s+1;let m=0;n?(P&&e.rescaleScalars(E,h,i-a+1,t.scalarShift,t.scalarScale),m=B(j,E.subarray(s*h),w,g)):m=N(j,D,w,g);for(let e=0;e{const a=g(new Float64Array(16));return o=null,t.resliceAxes&&d(a,t.resliceAxes),t.resliceTransform&&(t.resliceTransform.isA("vtkHomogeneousTransform")?b(a,t.resliceTransform.getMatrix(),a):tt("Non homogeneous transform have not yet been ported")),b(a,a,n.getIndexToWorld()),null==o&&b(a,e.getWorldToIndex(),a),d(r,a),r},e.getAutoCroppedOutputBounds=e=>{const n=e.getOrigin(),r=e.getSpacing(),o=e.getDirection(),a=e.getDimensions(),i=[0,a[0]-1,0,a[1]-1,0,a[2]-1],s=new Float64Array(16);t.resliceAxes?h(s,t.resliceAxes):g(s);let l=null;t.resliceTransform&&(l=t.resliceTransform.getInverse());let c=null;Ga.isIdentity3x3(o)||(c=_f().translate(n[0],n[1],n[2]).multiply3x3(o).translate(-n[0],-n[1],-n[2]).invert().getMatrix());const u=[Number.MAX_VALUE,-Number.MAX_VALUE,Number.MAX_VALUE,-Number.MAX_VALUE,Number.MAX_VALUE,-Number.MAX_VALUE],d=[0,0,0,0];for(let e=0;e<8;++e){d[0]=n[0]+i[e%2]*r[0],d[1]=n[1]+i[2+Math.floor(e/2)%2]*r[1],d[2]=n[2]+i[4+Math.floor(e/4)%2]*r[2],d[3]=1,c&&Gi(d,d,c),t.resliceTransform&&l.transformPoint(d,d),Gi(d,d,s);const o=1/d[3];d[0]*=o,d[1]*=o,d[2]*=o;for(let e=0;e<3;++e)d[e]>u[2*e+1]&&(u[2*e+1]=d[e]),d[e]{switch(e){case"Int8Array":return{min:-128,max:127};case"Int16Array":return{min:-32768,max:32767};case"Uint16Array":return{min:0,max:65535};case"Int32Array":return{min:-2147483648,max:2147483647};case"Uint32Array":return{min:0,max:4294967295};case"Float32Array":case"Float64Array":return{min:-12e37,max:12e37};default:return{min:0,max:255}}},e.clamp=(e,t,n,r,o,a)=>{const i=r*n;for(let n=0;n{const o=r*n;for(let n=0;n{let i=a;if(n!==ys.FLOAT&&n!==ys.DOUBLE&&!a){const a=e.getDataTypeMinMax(t);let s=(a.min+r)*o,l=(a.max+r)*o;const c=e.getDataTypeMinMax(n),u=c.min,d=c.max;if(s>l){const e=l;l=s,s=e}i=sd}if(i&&n!==ys.FLOAT&&n!==ys.DOUBLE){const t=e.getDataTypeMinMax(n);return(n,r,o,a)=>e.clamp(n,r,o,a,t.min,t.max)}return e.convert},e.set=(e,t,n,r)=>{const o=n*r;for(let n=0;n(e.fill(t[0],0,r),r),e.getSetPixelsFunc=(t,n,r,o)=>1===r?e.set1:e.set,e.getCompositeFunc=(e,t)=>{let n=null;switch(e){case WS.MIN:n=s;break;case WS.MAX:n=l;break;case WS.MEAN:n=t?u:c;break;case WS.SUM:n=t?f:p}return n},e.applyTransform=(e,t,n,r)=>{t[3]=1,Gi(t,t,e),t[0]-=n[0],t[1]-=n[1],t[2]-=n[2],t[0]*=r[0],t[1]*=r[1],t[2]*=r[2]},e.rescaleScalars=(e,t,n,r,o)=>{const a=n*t;for(let t=0;t{for(let t=0;t<3;t++)if(0!==e[4*t+3])return!1;if(1!==e[15])return!1;for(let t=0;t<3;t++){let n=0;for(let r=0;r<3;r++)0!==e[4*t+r]&&n++;if(1!==n)return!1}return!0},e.isIdentityMatrix=e=>{for(let t=0;t<4;++t)for(let n=0;n<4;++n)if((t===n?1:0)!==e[4*n+t])return!1;return!0},e.isPerspectiveMatrix=e=>0!==e[3]||0!==e[7]||0!==e[11]||1!==e[15],e.canUseNearestNeighbor=(e,t)=>{for(let n=0;n<3;n++){let r;for(r=0;r<3&&0===e[4*r+n];r++);if(r>=3)return!1;let o=e[4*r+n],a=e[12+n];t[2*r]===t[2*r+1]&&(a+=o*t[2*n],o=0);const i=SS(o).error,s=SS(a).error;if(0!==i||0!==s)return!1}return!0}}const KS={transformInputSampling:!0,autoCropOutput:!1,outputDimensionality:3,outputSpacing:null,outputOrigin:null,outputDirection:null,outputExtent:null,outputScalarType:null,wrap:!1,mirror:!1,border:!0,interpolationMode:bS.NEAREST,slabMode:WS.MIN,slabTrapezoidIntegration:!1,slabNumberOfSlices:1,slabSliceSpacingFraction:1,optimization:!1,scalarShift:0,scalarScale:1,backgroundColor:[0,0,0,0],resliceAxes:null,interpolator:NS.newInstance(),usePermuteExecute:!1};function $S(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,KS,n),jt.obj(e,t),jt.algo(e,t,1,1),jt.setGet(e,t,["outputDimensionality","outputScalarType","scalarShift","scalarScale","transformInputSampling","autoCropOutput","wrap","mirror","border","interpolationMode","resliceTransform","slabMode","slabTrapezoidIntegration","slabNumberOfSlices","slabSliceSpacingFraction"]),jt.setGetArray(e,t,["outputOrigin","outputSpacing"],3),jt.setGetArray(e,t,["outputExtent"],6),jt.setGetArray(e,t,["outputDirection"],9),jt.setGetArray(e,t,["backgroundColor"],4),jt.get(e,t,["resliceAxes"]),jS(e,t)}var qS={newInstance:jt.newInstance($S,"vtkImageReslice"),extend:$S,...zS};const{InterpolationType:XS}=rg,{vtkErrorMacro:YS}=jt;function ZS(e,t){t.classHierarchy.push("vtkImageProperty"),e.getMTime=()=>{let e,n=t.mtime;for(let r=0;r<4;r++)t.componentData[r].rGBTransferFunction&&(e=t.componentData[r].rGBTransferFunction.getMTime(),n=n>e?n:e),t.componentData[r].piecewiseFunction&&(e=t.componentData[r].piecewiseFunction.getMTime(),n=n>e?n:e);return n},e.setRGBTransferFunction=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,o=n,a=r;return Number.isInteger(n)||(a=n,o=0),t.componentData[o].rGBTransferFunction!==a&&(t.componentData[o].rGBTransferFunction=a,e.modified(),!0)},e.getRGBTransferFunction=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return t.componentData[e].rGBTransferFunction},e.setPiecewiseFunction=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,o=n,a=r;return Number.isInteger(n)||(a=n,o=0),t.componentData[o].piecewiseFunction!==a&&(t.componentData[o].piecewiseFunction=a,e.modified(),!0)},e.getPiecewiseFunction=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return t.componentData[e].piecewiseFunction},e.setScalarOpacity=function(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,r=t,o=n;return Number.isInteger(t)||(o=t,r=0),e.setPiecewiseFunction(r,o)},e.getScalarOpacity=function(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return e.getPiecewiseFunction(t)},e.setComponentWeight=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;if(n<0||n>=4)return YS("Invalid index"),!1;const o=Math.min(1,Math.max(0,r));return t.componentData[n].componentWeight!==o&&(t.componentData[n].componentWeight=o,e.modified(),!0)},e.getComponentWeight=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return e<0||e>=4?(YS("Invalid index"),0):t.componentData[e].componentWeight},e.setInterpolationTypeToNearest=()=>e.setInterpolationType(XS.NEAREST),e.setInterpolationTypeToLinear=()=>e.setInterpolationType(XS.LINEAR),e.getInterpolationTypeAsString=()=>jt.enumToString(XS,t.interpolationType)}const QS={independentComponents:!1,interpolationType:XS.LINEAR,colorWindow:255,colorLevel:127.5,ambient:1,diffuse:0,opacity:1,useLookupTableScalarRange:!1,useLabelOutline:!1,labelOutlineThickness:[1],labelOutlineOpacity:1};function JS(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};if(Object.assign(t,QS,n),jt.obj(e,t),!t.componentData){t.componentData=[];for(let e=0;e<4;e++)t.componentData.push({rGBTransferFunction:null,piecewiseFunction:null,componentWeight:1})}jt.setGet(e,t,["independentComponents","interpolationType","colorWindow","colorLevel","ambient","diffuse","opacity","useLookupTableScalarRange","useLabelOutline","labelOutlineOpacity"]),jt.setGetArray(e,t,["labelOutlineThickness"]),ZS(e,t)}var eP={newInstance:jt.newInstance(JS,"vtkImageProperty"),extend:JS};const{vtkDebugMacro:tP}=jt;function nP(e,t){t.classHierarchy.push("vtkImageSlice"),e.getActors=()=>e,e.getImages=()=>e,e.getIsOpaque=()=>{if(t.forceOpaque)return!0;if(t.forceTranslucent)return!1;t.property||e.getProperty();let n=t.property.getOpacity()>=1;return n=n&&(!t.mapper||t.mapper.getIsOpaque()),n},e.hasTranslucentPolygonalGeometry=()=>!1,e.makeProperty=eP.newInstance,e.getProperty=()=>(null===t.property&&(t.property=e.makeProperty()),t.property),e.getBounds=()=>{if(null===t.mapper)return t.bounds;const n=t.mapper.getBounds();if(!n||6!==n.length)return n;if(n[0]>n[1])return t.mapperBounds=n.concat(),t.bounds=[1,-1,1,-1,1,-1],t.boundsMTime.modified(),n;if(!t.mapperBounds||!(r=[n,t.mapperBounds],r[0].map(((e,t)=>r.map((e=>e[t]))))).reduce(((e,t)=>e&&t[0]===t[1]),!0)||e.getMTime()>t.boundsMTime.getMTime()){tP("Recomputing bounds..."),t.mapperBounds=n.map((e=>e)),e.computeMatrix();const r=new Float64Array(16);m(r,t.matrix),Fi.transformBounds(n,r,t.bounds),t.boundsMTime.modified()}var r;return t.bounds},e.getBoundsForSlice=(n,r)=>{const o=t.mapper.getBoundsForSlice(n,r);if(!Fi.isValid(o))return o;e.computeMatrix();const a=new Float64Array(16);return m(a,t.matrix),Fi.transformBounds(o,a)},e.getMinXBound=()=>e.getBounds()[0],e.getMaxXBound=()=>e.getBounds()[1],e.getMinYBound=()=>e.getBounds()[2],e.getMaxYBound=()=>e.getBounds()[3],e.getMinZBound=()=>e.getBounds()[4],e.getMaxZBound=()=>e.getBounds()[5],e.getMTime=()=>{let e=t.mtime;if(null!==t.property){const n=t.property.getMTime();e=n>e?n:e}return e},e.getRedrawMTime=()=>{let e=t.mtime;if(null!==t.mapper){let n=t.mapper.getMTime();e=n>e?n:e,null!==t.mapper.getInput()&&(t.mapper.getInputAlgorithm().update(),n=t.mapper.getInput().getMTime(),e=n>e?n:e)}if(null!==t.property){let n=t.property.getMTime();e=n>e?n:e,null!==t.property.getRGBTransferFunction()&&(n=t.property.getRGBTransferFunction().getMTime(),e=n>e?n:e)}return e},e.getSupportsSelection=()=>!!t.mapper&&t.mapper.getSupportsSelection()}const rP={mapper:null,property:null,bounds:[...Fi.INIT_BOUNDS]};function oP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,rP,n),ts.extend(e,t,n),t.boundsMTime={},jt.obj(t.boundsMTime),jt.set(e,t,["property"]),jt.setGet(e,t,["mapper"]),jt.getArray(e,t,["bounds"],6),nP(e,t)}var aP={newInstance:jt.newInstance(oP,"vtkImageSlice"),extend:oP};function iP(e,t){t.classHierarchy.push("vtkInteractorStyleImage"),e.superHandleMouseMove=e.handleMouseMove,e.handleMouseMove=n=>{const r=n.position,o=n.pokedRenderer;switch(t.state){case zx.IS_WINDOW_LEVEL:e.windowLevel(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case zx.IS_SLICE:e.slice(o,r),e.invokeInteractionEvent({type:"InteractionEvent"})}e.superHandleMouseMove(n)},e.superHandleLeftButtonPress=e.handleLeftButtonPress,e.handleLeftButtonPress=n=>{const r=n.position;if(n.shiftKey||n.controlKey)"IMAGE3D"===t.interactionMode&&n.shiftKey?n.controlKey||n.altKey?e.startDolly():e.startRotate():"IMAGE_SLICING"===t.interactionMode&&n.controlKey?(t.lastSlicePosition=r.y,e.startSlice()):e.superHandleLeftButtonPress(n);else{t.windowLevelStartPosition[0]=r.x,t.windowLevelStartPosition[1]=r.y,e.setCurrentImageNumber(t.currentImageNumber);const n=t.currentImageProperty;n&&(t.windowLevelInitial[0]=n.getColorWindow(),t.windowLevelInitial[1]=n.getColorLevel()),e.startWindowLevel()}},e.superHandleLeftButtonRelease=e.handleLeftButtonRelease,e.handleLeftButtonRelease=()=>{switch(t.state){case zx.IS_WINDOW_LEVEL:e.endWindowLevel();break;case zx.IS_SLICE:e.endSlice();break;default:e.superHandleLeftButtonRelease()}},e.handleStartMouseWheel=()=>{e.startSlice()},e.handleEndMouseWheel=()=>{e.endSlice()},e.handleMouseWheel=e=>{const t=e.pokedRenderer.getActiveCamera();let n=t.getDistance();n+=e.spinY;const r=t.getClippingRange();nr[1]&&(n=r[1]),t.setDistance(n),e.pokedRenderer.getViewProps().filter((e=>e.isA("vtkImageSlice"))).forEach((t=>{if(t.getMapper().isA("vtkImageResliceMapper")){const n=t.getMapper().getSlicePlane();n&&(n.push(e.spinY),n.modified(),t.getMapper().modified())}}))},e.windowLevel=(e,n)=>{t.windowLevelCurrentPosition[0]=n.x,t.windowLevelCurrentPosition[1]=n.y;const r=t._interactor;if(t.currentImageProperty){const n=r.getView().getViewportSize(e),o=t.windowLevelInitial[0],a=t.windowLevelInitial[1];let i=4*(t.windowLevelCurrentPosition[0]-t.windowLevelStartPosition[0])/n[0],s=4*(t.windowLevelStartPosition[1]-t.windowLevelCurrentPosition[1])/n[1];Math.abs(o)>.01?i*=o:i*=o<0?-.01:.01,Math.abs(a)>.01?s*=a:s*=a<0?-.01:.01,o<0&&(i*=-1),a<0&&(s*=-1);let l=i+o;const c=a-s;l<.01&&(l=.01),t.currentImageProperty.setColorWindow(l),t.currentImageProperty.setColorLevel(c)}},e.slice=(e,n)=>{const r=t._interactor,o=n.y-t.lastSlicePosition,a=e.getActiveCamera(),i=a.getClippingRange();let s=a.getDistance(),l=0;if(a.getParallelProjection())l=2*a.getParallelScale();else{const e=Mo(a.getViewAngle());l=2*s*Math.tan(.5*e)}s+=o*l/r.getView().getViewportSize(e)[1],si[1]&&(s=i[1]-.001*l),a.setDistance(s),t.lastSlicePosition=n.y},e.setCurrentImageNumber=n=>{if(null===n)return;const r=t._interactor.getCurrentRenderer();if(!r)return;t.currentImageNumber=n;const o=r.getViewProps().filter((e=>e.isA("vtkImageSlice")));let a=n;n<0&&(a+=o.length);const i=o.find(((e,t)=>function(e,t,n){return e===n&&t.getNestedPickable()}(t,e,a)));i&&e.setCurrentImageProperty(i.getProperty())},e.setCurrentImageProperty=e=>{t.currentImageProperty=e}}const sP={windowLevelStartPosition:[0,0],windowLevelCurrentPosition:[0,0],lastSlicePosition:0,windowLevelInitial:[1,.5],currentImageNumber:-1,interactionMode:"IMAGE2D",xViewRightVector:[0,1,0],xViewUpVector:[0,0,-1],yViewRightVector:[1,0,0],yViewUpVector:[0,0,-1],zViewRightVector:[1,0,0],zViewUpVector:[0,1,0]};function lP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,sP,n),eT.extend(e,t,n),jt.setGet(e,t,["interactionMode"]),jt.get(e,t,["currentImageProperty"]),iP(e,t)}var cP={newInstance:jt.newInstance(lP,"vtkInteractorStyleImage"),extend:lP};const{vtkErrorMacro:uP}=jt,dP=[0,2,4,1,2,4,0,3,4,1,3,4,0,2,5,1,2,5,0,3,5,1,3,5],pP=[2,0,1,2,2,3,2,4,5,2,6,7,2,0,2,2,1,3,2,4,6,2,5,7,2,0,4,2,1,5,2,2,6,2,3,7];function fP(e,t){t.classHierarchy.push("vtkOutlineFilter"),e.requestData=(e,t)=>{const n=e[0];if(!n)return void uP("Invalid or missing input");const r=n.getBounds(),o=hu.newInstance();o.getPoints().setData(Float32Array.from(dP.map((e=>r[e]))),3),o.getLines().setData(Uint16Array.from(pP)),t[0]=o}}const gP={};function mP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,gP,n),jt.obj(e,t),jt.algo(e,t,1,1),fP(e,t)}var hP={newInstance:jt.newInstance(mP,"vtkOutlineFilter"),extend:mP,BOUNDS_MAP:dP,LINE_ARRAY:pP},vP={Corners:{TOP_LEFT:"TOP_LEFT",TOP_RIGHT:"TOP_RIGHT",BOTTOM_LEFT:"BOTTOM_LEFT",BOTTOM_RIGHT:"BOTTOM_RIGHT"}};const{vtkErrorMacro:yP}=jt,{Corners:bP}=vP;function xP(e,t){t.classHierarchy.push("vtkOrientationMarkerWidget");const n={...e},r=[],o=ux.newInstance(),a=new ResizeObserver((t=>{e.updateViewport()}));let i=null,s=null,l=null,c=null,u=null;function d(){t._interactor.isAnimating()||e.updateMarkerOrientation()}t._onParentRendererChanged=()=>e.updateViewport(),e.computeViewport=()=>{const e=t.parentRenderer||t._interactor.getCurrentRenderer(),[n,r,o,a]=e.getViewport(),i=t._interactor.getView(),s=i.getSize(),[l,c]=i.getViewportSize(e),u=Math.min(l,c);let d=t.viewportSize*u;d=Math.max(Math.min(t.minPixelSize,u),Math.min(t.maxPixelSize,d));const p=d/s[0],f=d/s[1];switch(t.viewportCorner){case bP.TOP_LEFT:return[n,a-f,n+p,a];case bP.TOP_RIGHT:return[o-p,a-f,o,a];case bP.BOTTOM_LEFT:return[n,r,n+p,r+f];case bP.BOTTOM_RIGHT:return[o-p,r,o,r+f];default:return yP("Invalid widget corner"),null}},e.updateViewport=()=>{t.enabled&&(o.setViewport(...e.computeViewport()),t._interactor.render())},e.updateMarkerOrientation=()=>{const e=(t.parentRenderer||t._interactor.getCurrentRenderer()).getActiveCamera();if(!e)return;const n=e.getReferenceByName("position"),a=e.getReferenceByName("focalPoint"),i=e.getReferenceByName("viewUp");if(r[0]!==n[0]||r[1]!==n[1]||r[2]!==n[2]||r[3]!==a[0]||r[4]!==a[1]||r[5]!==a[2]||r[6]!==i[0]||r[7]!==i[1]||r[8]!==i[2]){r[0]=n[0],r[1]=n[1],r[2]=n[2],r[3]=a[0],r[4]=a[1],r[5]=a[2],r[6]=i[0],r[7]=i[1],r[8]=i[2];const e=o.getActiveCamera();e.setPosition(n[0],n[1],n[2]),e.setFocalPoint(a[0],a[1],a[2]),e.setViewUp(i[0],i[1],i[2]),o.resetCamera()}},e.setEnabled=n=>{if(n){if(t.enabled)return;if(!t.actor)return void yP("Must set actor before enabling orientation marker.");if(!t._interactor)return void yP("Must set interactor before enabling orientation marker.");const n=t.parentRenderer||t._interactor.getCurrentRenderer(),r=n.getRenderWindow();r.addRenderer(o),r.getNumberOfLayers()<2&&r.setNumberOfLayers(2),o.setLayer(r.getNumberOfLayers()-1),o.setInteractive(!1),o.addViewProp(t.actor),t.actor.setVisibility(!0),i=n.onEvent((e=>{"ActiveCameraEvent"===e.type&&(s&&s.unsubscribe(),s=e.camera.onModified(d))})),s=n.getActiveCamera().onModified(d),l=t._interactor.onAnimation(e.updateMarkerOrientation),c=t._interactor.onEndAnimation(e.updateMarkerOrientation),a.observe(t._interactor.getView().getCanvas()),e.updateViewport(),e.updateMarkerOrientation(),t.enabled=!0}else{if(!t.enabled)return;t.enabled=!1,a.disconnect(),i.unsubscribe(),i=null,s.unsubscribe(),s=null,l.unsubscribe(),l=null,c.unsubscribe(),c=null,t.actor.setVisibility(!1),o.removeViewProp(t.actor);const e=t._interactor?.findPokedRenderer()?.getRenderWindow();e&&e.removeRenderer(o)}e.modified()},e.setViewportCorner=n=>{n!==t.viewportCorner&&(t.viewportCorner=n,e.updateViewport())},e.setViewportSize=n=>{const r=Math.min(1,Math.max(0,n));r!==t.viewportSize&&(t.viewportSize=r,e.updateViewport())},e.setActor=n=>{const r=t.enabled;e.setEnabled(!1),t.actor=n,e.setEnabled(r)},e.getRenderer=()=>o,e.delete=()=>{n.delete(),u&&(u.unsubscribe(),u=null),i&&(i.unsubscribe(),i=null),s&&(s.unsubscribe(),s=null),l&&(l.unsubscribe(),l=null),c&&(c.unsubscribe(),c=null),a.disconnect()},u=e.onModified(e.updateViewport)}const TP={viewportCorner:vP.Corners.BOTTOM_LEFT,viewportSize:.2,minPixelSize:50,maxPixelSize:200,parentRenderer:null};function CP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,TP,n),jt.obj(e,t),jt.get(e,t,["enabled","viewportCorner","viewportSize"]),jt.setGet(e,t,["_interactor","minPixelSize","maxPixelSize","parentRenderer"]),jt.get(e,t,["actor"]),jt.moveToProtected(e,t,["interactor"]),xP(e,t)}var SP={newInstance:jt.newInstance(CP,"vtkOrientationMarkerWidget"),extend:CP,...vP};const PP={DEFAULT:0,GEOMETRY:1,SLICE:2,VOLUME:3,YZ_PLANE:4,XZ_PLANE:5,XY_PLANE:6},AP={PICKING_BUFFER:0,FRONT_BUFFER:1},IP={MOUSE_MOVE:0,MOUSE_RELEASE:1};var wP={ViewTypes:PP,RenderingTypes:AP,CaptureOn:IP};function OP(e,t){t.classHierarchy.push("vtkAbstractWidget"),t.actorToRepresentationMap=new WeakMap,e.getBounds=t.widgetState.getBounds,e.getNestedProps=()=>t.representations,e.activateHandle=n=>{let{selectedState:r,representation:o}=n;t.widgetState.activateOnly(r),t.activeState=r,r&&r.updateManipulator&&r.updateManipulator(),e.invokeActivateHandle({selectedState:r,representation:o}),e.updateCursor&&e.updateCursor()},e.deactivateAllHandles=()=>{t.widgetState.deactivate()},e.hasActor=e=>t.actorToRepresentationMap.has(e),e.grabFocus=()=>{t.hasFocus=!0},e.loseFocus=()=>{t.hasFocus=!1},e.hasFocus=()=>t.hasFocus,e.placeWidget=e=>t.widgetState.placeWidget(e),e.getPlaceFactor=()=>t.widgetState.getPlaceFactor(),e.setPlaceFactor=e=>t.widgetState.setPlaceFactor(e),e.getRepresentationFromActor=e=>t.actorToRepresentationMap.get(e),e.updateRepresentationForRender=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:AP.FRONT_BUFFER;for(let n=0;nt._factory.getViewWidgets(),e.setPriority(.5)}const MP={contextVisibility:!0,handleVisibility:!0,hasFocus:!1};function RP(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,MP,n),Zi.extend(e,t,n),Ux.extend(e,t,n),jt.setGet(e,t,["contextVisibility","handleVisibility","_widgetManager"]),jt.get(e,t,["representations","widgetState","activeState"]),jt.moveToProtected(e,t,["widgetManager"]),jt.event(e,t,"ActivateHandle"),OP(e,t)}var VP={newInstance:jt.newInstance(RP,"vtkAbstractWidget"),extend:RP};const{ViewTypes:EP,RenderingTypes:DP,CaptureOn:LP}=wP,{vtkErrorMacro:BP}=jt;let NP=1;function kP(e){const t=e.getActiveCamera(),n=e.getRenderWindow(),r=n.getInteractor(),o=r.getView();return{renderer:e,renderWindow:n,interactor:r,apiSpecificRenderWindow:o,camera:t}}function FP(e,t){const{dispHeightFactor:n,cameraPosition:r,cameraDir:o,isParallel:a,rendererPixelDims:i}=t;let s=1;if(a)s=n;else{const t=[...e];Ga.subtract(t,r,t),s=Ga.dot(t,o)*n}return s/i[1]}function _P(e,t){t.viewId||(t.viewId="view-"+NP++),t.classHierarchy.push("vtkWidgetManager");const n=new WeakMap,r=[];function o(e){return e&&(e.isA("vtkAbstractWidget")?e:e.getWidgetForView({viewId:t.viewId}))}function a(){const{_apiSpecificRenderWindow:e,_camera:n,_renderer:r}=t;if(r&&e&&n){const[o,a]=e.getSize(),[i,s,l,c]=r.getViewport(),u=e.getComputedDevicePixelRatio(),d=[o*(l-i)/u,a*(c-s)/u],p=n.getPosition(),f=n.getDirectionOfProjection(),g=n.getParallelProjection(),m=g?2*n.getParallelScale():2*Math.tan(Ga.radiansFromDegrees(n.getViewAngle())/2);t.widgets.forEach((e=>{e.getNestedProps().forEach((e=>{e.getScaleInPixels()&&e.setDisplayScaleParams({dispHeightFactor:m,cameraPosition:p,cameraDir:f,isParallel:g,rendererPixelDims:d})}))}))}}async function i(n,r,o){const{position:a}=n,{requestCount:i,selectedState:s,representation:l,widget:c}=await e.getSelectedDataForXY(a.x,a.y);if(i||o!==t._currentUpdateSelectionCallID)return;function u(e){r&&t._interactor.invokeLeftButtonRelease(n),e.activateHandle({selectedState:s,representation:l}),r&&t._interactor.invokeLeftButtonPress(n)}t._apiSpecificRenderWindow.setCursor(c?"pointer":"default"),t.activeWidget=null;let d=!1;if(t.widgetInFocus===c&&c.hasFocus())u(c),t.activeWidget=c,d=!0;else for(let e=0;e1&&void 0!==arguments[1]&&arguments[1];if(!t.isAnimating&&t.pickingEnabled&&e.pokedRenderer===t._renderer){const r=Symbol("UpdateSelection");t._currentUpdateSelectionCallID=r,await i(e,n,r)}};function l(e){e.updateRepresentationForRender(t.renderingType)}function c(){t.renderingType=DP.FRONT_BUFFER,t.widgets.forEach(l)}async function u(e,n,r,o){t._captureInProgress?await t._captureInProgress:(t.renderingType=DP.PICKING_BUFFER,t.widgets.forEach(l),t._capturedBuffers=null,t._captureInProgress=t._selector.getSourceDataAsync(t._renderer,e,n,r,o),t._capturedBuffers=await t._captureInProgress,t._captureInProgress=null,t.previousSelectedData=null,c())}function d(e){t._renderer.removeActor(e),e.delete()}function p(){t._renderer.getRenderWindow().getInteractor().render(),e.renderWidgets()}e.enablePicking=()=>{t.pickingEnabled=!0,e.renderWidgets()},e.renderWidgets=()=>{if(t.pickingEnabled&&t.captureOn===LP.MOUSE_RELEASE){const[e,n]=t._apiSpecificRenderWindow.getSize();u(0,0,e,n)}c(),e.modified()},e.disablePicking=()=>{t.pickingEnabled=!1},e.setRenderer=n=>{const 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r=a[Math.floor(e/2)];t.bounds[e]=(n[e]-r)*t.placeFactor+r}Fi.setBounds(r,t.bounds),e.invokeBoundsChange(t.bounds),e.modified()}}}const LI={bounds:[-1,1,-1,1,-1,1],placeFactor:1};var BI={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,LI,n),jt.setGetArray(e,t,["bounds"],6),jt.get(e,t,["placeFactor"]),jt.event(e,t,"BoundsChange"),t.bounds=t.bounds.slice(),DI(e,t)}};const NI={color:.5};var kI={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,NI,n),jt.setGet(e,t,["color"])}};const FI={color3:[255,255,255],opacity:255};var _I={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,FI,n),jt.setGetArray(e,t,["color3"],3,255),jt.setGet(e,t,["opacity"])}};function GI(e,t){e.translate=(t,n,r)=>{const[o,a,i]=e.getCornerByReference();e.setCorner(o+t,a+n,i+r)}}const UI={corner:[0,0,0]};var zI={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,UI,n),jt.setGetArray(e,t,["corner"],3),GI(e)}};function WI(e,t){const n="degree"===t.angleUnit?Ff():_f();e.rotateFromDirections=(r,o)=>{n.identity().rotateFromDirections(r,o).apply(t.direction),e.modified()},e.rotate=(e,r)=>{n.identity().rotate(e,r).apply(t.direction)},e.rotateX=e=>{n.identity().rotateX(e).apply(t.direction)},e.rotateY=e=>{n.identity().rotateY(e).apply(t.direction)},e.rotateZ=e=>{n.identity().rotateZ(e).apply(t.direction)}}const HI={direction:[1,0,0]};var jI={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,HI,n),jt.setGetArray(e,t,["direction"],3),WI(e,t)}};function KI(e,t){e.updateManipulator=()=>{if(t.manipulator){const{origin:e,normal:n,direction:r}=t,{setHandleOrigin:o,setHandleCenter:a,setHandleNormal:i,setHandleDirection:s}=t.manipulator;e&&o?o(e):e&&a&&a(e),r&&s?s(r):r&&!n&&i?i(r):n&&s&&s(n)}}}const $I={manipulator:null};var qI={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,$I,n),jt.setGet(e,t,["manipulator"]),KI(e,t)}};const XI={name:""};var YI={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,XI,n),jt.setGet(e,t,["name"])}};function ZI(e,t){return 3===e.length&&3===t.length&&e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]}function QI(e,t){const n={o:[],p1:[],p2:[]};e.normalize=()=>{Xo(t.up),Xo(t.right),Xo(t.direction),e.modified()},e.updateFromOriginRightUp=(r,o,a)=>{(function(e,t,n,r){return ZI(e,r.o)&&ZI(t,r.p1)&&ZI(n,r.p2)})(r,o,a,n)||(n.o=r.slice(),n.p1=o.slice(),n.p2=a.slice(),t.up=[a[0]-r[0],a[1]-r[1],a[2]-r[2]],t.right=[o[0]-r[0],o[1]-r[1],o[2]-r[2]],$o(t.up,t.right,t.direction),$o(t.direction,t.up,t.right),e.normalize(),e.modified())}}const JI={up:[0,1,0],right:[1,0,0],direction:[0,0,1]};var ew={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,JI,n),jt.setGetArray(e,t,["up","right","direction"],3),QI(e,t)}};function tw(e,t){const n={...e};e.translate=(t,n,r)=>{const[o,a,i]=e.getOriginByReference();e.setOrigin(o+t,a+n,i+r)},e.getOrigin=e=>{const r=n.getOrigin();if(!t.offset)return r;if(!e)return Ga.add(r,t.offset,r);const o=FP(r,e),{rendererPixelDims:a}=e,i=Math.min(a[0],a[1]);return Ga.multiplyAccumulate(r,t.offset,i*o,r)}}const nw={origin:null,offset:null};var rw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,nw,n),jt.setGetArray(e,t,["origin","offset"],3),tw(e,t)}};const ow={scale1:.5};var aw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ow,n),jt.setGet(e,t,["scale1"])}};const iw={scale3:[1,1,1]};var sw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,iw,n),jt.setGetArray(e,t,["scale3"],3)}};const lw={text:"DefaultText"};var cw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,lw,n),jt.setGet(e,t,["text"])}};const uw={visible:!0};var dw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uw,n),jt.setGet(e,t,["visible"]),e.isVisible=e.getVisible}};const pw={shape:""};var fw={extend:function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,pw,n),jt.setGet(e,t,["shape"])}};const{vtkErrorMacro:gw}=jt,mw={bounds:BI,color:kI,color3:_I,corner:zI,direction:jI,manipulator:qI,name:YI,orientation:ew,origin:rw,scale1:aw,scale3:sw,text:cw,visible:dw,shape:fw};function hw(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{},o=arguments.length>4&&void 0!==arguments[4]&&arguments[4];o||EI(n,r,t);for(let o=0;o{const r=hw(n,{...o,...e});return this.publicAPI.bindState(r,t),this.model[a].push(r),this.publicAPI.modified(),r},this.publicAPI[`remove${jt.capitalize(r)}`]=e=>{let t=this.model[a].indexOf(e);-1===t&&ethis.model[a].slice(),this.publicAPI[`clear${jt.capitalize(r)}List`]=()=>{for(;this.model[a].length;){const e=this.model[a].pop();e&&this.publicAPI.unbindState(e)}this.publicAPI.modified()},this}addStateFromMixin(e){let{labels:t,mixins:n,name:r,initialValues:o}=e;const a=hw(n,o);return this.model[r]=a,this.publicAPI.bindState(a,t),jt.setGet(this.publicAPI,this.model,[r]),this}addStateFromInstance(e){let{labels:t,name:n,instance:r}=e;return this.model[n]=r,this.publicAPI.bindState(r,t),jt.setGet(this.publicAPI,this.model,[n]),this}addField(e){let{name:t,initialValue:n}=e;return Array.isArray(n)?jt.setGetArray(this.publicAPI,this.model,[t],n.length):jt.setGet(this.publicAPI,this.model,[t]),this.model[t]=n,this}build(){for(var e=arguments.length,t=new Array(e),n=0;n0&&void 0!==arguments[0]?arguments[0]:vI;const t=yw().addField({name:"center",initialValue:[0,0,0]}).addField({name:"image",initialValue:null}).addField({name:"activeViewType",initialValue:null}).addField({name:"planes",initialValue:e.reduce(((e,t)=>({...e,[bI[t]]:{normal:bw[t].normal,viewUp:bw[t].viewUp}})),{})}).addField({name:"scrollingMethod",initialValue:uI}).addField({name:"cameraOffsets",initialValue:{}}).addField({name:"viewUpFromViewType",initialValue:{}}).addStateFromMixin({labels:["handles","sphere","center"],mixins:["origin","color3","scale1","visible","manipulator"],name:"centerHandle",initialValues:{scale1:30,color3:[255,255,255]}});return e.reduce(((t,n)=>e.filter((e=>e!==n)).reduce(((e,t)=>{e.addStateFromMixin({labels:["handles","line",`lineIn${n}`,`${t}in${n}`],mixins:["origin","color3","scale3","orientation","visible","manipulator"],name:`axis${t}in${n}`,initialValues:{scale3:[4,4,4],color3:xw[t]}});for(let r=0;r<2;++r)e.addStateFromMixin({labels:["handles","sphere","rotation",`rotationIn${n}`,`${t}in${n}`,`point${r}`],mixins:["origin","color3","scale1","visible","manipulator"],name:`rotationHandle${t}in${n}${r}`,initialValues:{scale1:30,color3:xw[t]}});return e}),t)),t),t.build()}const{vtkErrorMacro:Cw}=jt;function Sw(e,t){t.classHierarchy.push("vtkResliceCursorWidget"),t.methodsToLink=["scaleInPixels"],e.getRepresentationsForViewType=e=>{switch(e){case PP.XY_PLANE:case PP.XZ_PLANE:case PP.YZ_PLANE:return[{builder:iI,labels:[`lineIn${yI[e]}`],initialValues:{useActiveColor:!1,scaleInPixels:t.scaleInPixels}},{builder:cI,labels:[`rotationIn${yI[e]}`],initialValues:{useActiveColor:!1,scaleInPixels:t.scaleInPixels,lighting:!1}},{builder:cI,labels:["center"],initialValues:{useActiveColor:!1,scaleInPixels:t.scaleInPixels,lighting:!1}}];case PP.DEFAULT:case PP.GEOMETRY:case PP.SLICE:case PP.VOLUME:default:return[]}},e.setImage=e=>{t.widgetState.setImage(e);const n=e.getCenter();t.widgetState.setCenter(n),II(t.widgetState,t.scaleInPixels,t.rotationHandlePosition)},e.setCenter=n=>{t.widgetState.setCenter(n),II(t.widgetState,t.scaleInPixels,t.rotationHandlePosition),e.modified()},e.updateCameraPoints=(n,r,o,a,i)=>{e.resetCamera(n,r,o,a),i&&function(e,n){const r=n.getActiveCamera().getFocalPoint(),o=t.widgetState.getCenter(),a=n.getRenderWindow().getViews()[0].getViewportSize(n),i=a[0]/a[1],s=zo(n.worldToNormalizedDisplay(...r,i),n.worldToNormalizedDisplay(...o,i),[0,0,0]),l=t.widgetState.getCameraOffsets();l[e]=s,t.widgetState.setCameraOffsets(l)}(r,n)},e.resetCamera=(n,r,o,a)=>{const i=t.widgetState.getImage().getCenter(),s=n.getActiveCamera().getFocalPoint(),l=n.getActiveCamera().getPosition(),c=Math.sqrt(Zo(l,s)),u=e.getPlaneNormalFromViewType(r),d=o?i:s,p=jo(d,u,c,[0,0,0]);n.getActiveCamera().setFocalPoint(...d),n.getActiveCamera().setPosition(...p),n.getActiveCamera().setViewUp(t.widgetState.getPlanes()[r].viewUp),function(e,n,r,o,a){const i=e.getActiveCamera().getFocalPoint(),s=e.getActiveCamera().getDistance(),l=jo(i,n,s,[0,0,0]);let c=i;if(o&&(c=ei.intersectWithLine(i,l,t.widgetState.getCenter(),n).x),a){const o=t.widgetState.getCenter(),a=e.getRenderWindow().getViews()[0].getViewportSize(e),i=a[0]/a[1],s=Uo(e.worldToNormalizedDisplay(...o,i),t.widgetState.getCameraOffsets()[r],[0,0,0]),u=e.normalizedDisplayToWorld(...s,i),d=ei.intersectWithLine(u,l,o,n);c[0]=d.x[0],c[1]=d.x[1],c[2]=d.x[2]}e.getActiveCamera().setFocalPoint(c[0],c[1],c[2]);const u=jo(c,n,s,[0,0,0]);e.getActiveCamera().setPosition(u[0],u[1],u[2]);const d=t.widgetState.getImage().getBounds();o&&e.resetCamera(d),e.resetCameraClippingRange(d)}(n,u,r,o,a)},e.getPlaneSource=n=>{const r=function(n){const r=t.widgetState.getImage().getBounds(),o=e.getWidgetState().getCenter(),a=t.widgetState.getImage().getCenter(),i=[];for(let e=0;e<3;e++)i[e]=-Math.abs(o[e]-a[e]),i[e]*=2;const s=ZP.newInstance();return n===PP.XZ_PLANE?(s.setOrigin(r[0]+i[0],o[1],r[4]+i[2]),s.setPoint1(r[1]-i[0],o[1],r[4]+i[2]),s.setPoint2(r[0]+i[0],o[1],r[5]-i[2])):n===PP.XY_PLANE?(s.setOrigin(r[0]+i[0],r[2]+i[1],o[2]),s.setPoint1(r[1]-i[0],r[2]+i[1],o[2]),s.setPoint2(r[0]+i[0],r[3]-i[1],o[2])):n===PP.YZ_PLANE&&(s.setOrigin(o[0],r[2]+i[1],r[4]+i[2]),s.setPoint1(o[0],r[3]-i[1],r[4]+i[2]),s.setPoint2(o[0],r[2]+i[1],r[5]-i[2])),s}(n),{normal:o,viewUp:a}=t.widgetState.getPlanes()[n];!function(e,t,n,r){e.setNormal(n);const o=Qo(zo(e.getPoint2(),e.getOrigin(),[]),r,n);e.rotate(o,n),e.setCenter(t)}(r,t.widgetState.getCenter(),o,a);const i=[...r.getOrigin()],s=[...r.getPoint1()],l=[...r.getPoint2()];return function(e,t,n,r){const o=[];zo(n,t,o),Xo(o);const a=[];zo(r,t,a),Xo(a);const i=[0,0,1];$o(o,a,i),Xo(i);const s=[...e],l=[...i];Wo(l,1e-6),Fi.addBounds(s,e[0]+l[0],e[1]+l[0],e[2]+l[1],e[3]+l[1],e[4]+l[2],e[5]+l[2]),Fi.addBounds(s,e[0]-l[0],e[1]-l[0],e[2]-l[1],e[3]-l[1],e[4]-l[2],e[5]-l[2]);const c=ei.newInstance();c.setOrigin(...t),c.setNormal(...i);const u=jf.newInstance();u.setBounds(s);const d=Lf.newInstance();d.setCutFunction(c),d.setInputConnection(u.getOutputPort());const p=d.getOutputData();if(0===p.getNumberOfPoints())return!1;const f=Ni.computeLocalBounds(p.getPoints(),o,a,i);for(let e=0;e<3;e+=1)t[e]=f[0]*o[e]+f[2]*a[e]+f[4]*i[e],n[e]=f[1]*o[e]+f[2]*a[e]+f[4]*i[e],r[e]=f[0]*o[e]+f[3]*a[e]+f[4]*i[e]}(t.widgetState.getImage().getBounds(),i,s,l),r.setOrigin(...i),r.setPoint1(...s),r.setPoint2(...l),r},e.getResliceAxes=n=>{const r=e.getPlaneSource(n),{normal:o}=t.widgetState.getPlanes()[n],a=r.getOrigin(),i=[];zo(r.getPoint1(),a,i),Xo(i);const s=[];zo(r.getPoint2(),a,s),Xo(s);const l=g(new Float64Array(16));for(let e=0;e<3;e++)l[e]=i[e],l[4+e]=s[e],l[8+e]=o[e],l[12+e]=a[e];return l},e.updateReslicePlane=(n,r)=>{const o=t.widgetState.getImage().getSpacing(),a=e.getPlaneSource(r),i=e.getResliceAxes(r),s=a.getOrigin(),l=zo(a.getPoint1(),s,[]),c=Xo(l),u=zo(a.getPoint2(),s,[]),d=Xo(u),p=Math.abs(l[0]*o[0])+Math.abs(l[1]*o[1])+Math.abs(l[2]*o[2]),f=Math.abs(u[0]*o[0])+Math.abs(u[1]*o[1])+Math.abs(u[2]*o[2]);let g=0,m=0;const h=0===p?Number.MAX_SAFE_INTEGER:c/p,v=1073741823;if(h>v)Cw("Invalid X extent: ",h," on view type : ",r),g=0;else for(g=1;gv)Cw("Invalid Y extent:",y," on view type : ",r),m=0;else for(m=1;m{const n=ZP.newInstance(),r=e.getWidgetState().getCenter(),o=e.getPlaneNormalFromViewType(t);return n.setNormal(o),n.setOrigin(r),n},e.getPlaneNormalFromViewType=t=>e.getWidgetState().getPlanes()[t].normal,e.getOtherPlaneNormals=t=>[PP.YZ_PLANE,PP.XZ_PLANE,PP.XY_PLANE].filter((e=>e!==t)).map((t=>e.getPlaneNormalFromViewType(t))),e.getResliceMatrix=()=>{const t=g(new Float64Array(16));for(let 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0!==arguments[2]?arguments[2]:{};Object.assign(t,Pw(n)),KP.extend(e,t,n),jt.setGet(e,t,["scaleInPixels","rotationHandlePosition","manipulator"]),Sw(e,t)}var Iw={newInstance:jt.newInstance(Aw,"vtkResliceCursorWidget"),extend:Aw},ww=Uint8Array,Ow=Uint16Array,Mw=Uint32Array,Rw=new ww([0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0,0]),Vw=new ww([0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,0,0]),Ew=new ww([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]),Dw=function(e,t){for(var n=new Ow(31),r=0;r<31;++r)n[r]=t+=1<>>1|(21845&Gw)<<1;Uw=(61680&(Uw=(52428&Uw)>>>2|(13107&Uw)<<2))>>>4|(3855&Uw)<<4,_w[Gw]=((65280&Uw)>>>8|(255&Uw)<<8)>>>1}var zw=function(e,t,n){for(var r=e.length,o=0,a=new Ow(t);o>>l]=c}else for(i=new Ow(r),o=0;o>>15-e[o]);return i},Ww=new ww(288);for(Gw=0;Gw<144;++Gw)Ww[Gw]=8;for(Gw=144;Gw<256;++Gw)Ww[Gw]=9;for(Gw=256;Gw<280;++Gw)Ww[Gw]=7;for(Gw=280;Gw<288;++Gw)Ww[Gw]=8;var Hw=new ww(32);for(Gw=0;Gw<32;++Gw)Hw[Gw]=5;var 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e[0]=t[12],e[1]=t[13],e[2]=t[14],e}function R(e,t){var n=t[0],r=t[1],o=t[2],i=t[4],a=t[5],s=t[6],l=t[8],u=t[9],c=t[10];return e[0]=Math.hypot(n,r,o),e[1]=Math.hypot(i,a,s),e[2]=Math.hypot(l,u,c),e}function F(e,t){var n=new i(3);R(n,t);var r=1/n[0],o=1/n[1],a=1/n[2],s=t[0]*r,l=t[1]*o,u=t[2]*a,c=t[4]*r,d=t[5]*o,p=t[6]*a,f=t[8]*r,h=t[9]*o,m=t[10]*a,g=s+d+m,v=0;return g>0?(v=2*Math.sqrt(g+1),e[3]=.25*v,e[0]=(p-h)/v,e[1]=(f-u)/v,e[2]=(l-c)/v):s>d&&s>m?(v=2*Math.sqrt(1+s-d-m),e[3]=(p-h)/v,e[0]=.25*v,e[1]=(l+c)/v,e[2]=(f+u)/v):d>m?(v=2*Math.sqrt(1+d-s-m),e[3]=(f-u)/v,e[0]=(l+c)/v,e[1]=.25*v,e[2]=(p+h)/v):(v=2*Math.sqrt(1+m-s-d),e[3]=(l-c)/v,e[0]=(f+u)/v,e[1]=(p+h)/v,e[2]=.25*v),e}function k(e,t,n,r){var o=t[0],i=t[1],a=t[2],s=t[3],l=o+o,u=i+i,c=a+a,d=o*l,p=o*u,f=o*c,h=i*u,m=i*c,g=a*c,v=s*l,y=s*u,b=s*c,x=r[0],_=r[1],T=r[2];return e[0]=(1-(h+g))*x,e[1]=(p+b)*x,e[2]=(f-y)*x,e[3]=0,e[4]=(p-b)*_,e[5]=(1-(d+g))*_,e[6]=(m+v)*_,e[7]=0,e[8]=(f+y)*T,e[9]=(m-v)*T,e[10]=(1-(d+h))*T,e[11]=0,e[12]=n[0],e[13]=n[1],e[14]=n[2],e[15]=1,e}function L(e,t,n,r,o){var i=t[0],a=t[1],s=t[2],l=t[3],u=i+i,c=a+a,d=s+s,p=i*u,f=i*c,h=i*d,m=a*c,g=a*d,v=s*d,y=l*u,b=l*c,x=l*d,_=r[0],T=r[1],S=r[2],w=o[0],C=o[1],A=o[2],E=(1-(m+v))*_,D=(f+x)*_,I=(h-b)*_,O=(f-x)*T,P=(1-(p+v))*T,N=(g+y)*T,M=(h+b)*S,R=(g-y)*S,F=(1-(p+m))*S;return e[0]=E,e[1]=D,e[2]=I,e[3]=0,e[4]=O,e[5]=P,e[6]=N,e[7]=0,e[8]=M,e[9]=R,e[10]=F,e[11]=0,e[12]=n[0]+w-(E*w+O*C+M*A),e[13]=n[1]+C-(D*w+P*C+R*A),e[14]=n[2]+A-(I*w+N*C+F*A),e[15]=1,e}function B(e,t){var n=t[0],r=t[1],o=t[2],i=t[3],a=n+n,s=r+r,l=o+o,u=n*a,c=r*a,d=r*s,p=o*a,f=o*s,h=o*l,m=i*a,g=i*s,v=i*l;return e[0]=1-d-h,e[1]=c+v,e[2]=p-g,e[3]=0,e[4]=c-v,e[5]=1-u-h,e[6]=f+m,e[7]=0,e[8]=p+g,e[9]=f-m,e[10]=1-u-d,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e}function V(e,t,n,r,o,i,a){var s=1/(n-t),l=1/(o-r),u=1/(i-a);return e[0]=2*i*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=2*i*l,e[6]=0,e[7]=0,e[8]=(n+t)*s,e[9]=(o+r)*l,e[10]=(a+i)*u,e[11]=-1,e[12]=0,e[13]=0,e[14]=a*i*2*u,e[15]=0,e}function U(e,t,n,r,o){var i,a=1/Math.tan(t/2);return e[0]=a/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=a,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(i=1/(r-o),e[10]=(o+r)*i,e[14]=2*o*r*i):(e[10]=-1,e[14]=-2*r),e}Math.hypot||(Math.hypot=function(){for(var e=0,t=arguments.length;t--;)e+=arguments[t]*arguments[t];return Math.sqrt(e)});var G=U;function z(e,t,n,r,o){var i,a=1/Math.tan(t/2);return e[0]=a/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=a,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(i=1/(r-o),e[10]=o*i,e[14]=o*r*i):(e[10]=-1,e[14]=-r),e}function j(e,t,n,r){var o=Math.tan(t.upDegrees*Math.PI/180),i=Math.tan(t.downDegrees*Math.PI/180),a=Math.tan(t.leftDegrees*Math.PI/180),s=Math.tan(t.rightDegrees*Math.PI/180),l=2/(a+s),u=2/(o+i);return 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e[0]=t[0]*n,e[1]=t[1]*n,e[2]=t[2]*n,e[3]=t[3]*n,e[4]=t[4]*n,e[5]=t[5]*n,e[6]=t[6]*n,e[7]=t[7]*n,e[8]=t[8]*n,e[9]=t[9]*n,e[10]=t[10]*n,e[11]=t[11]*n,e[12]=t[12]*n,e[13]=t[13]*n,e[14]=t[14]*n,e[15]=t[15]*n,e}function ee(e,t,n,r){return e[0]=t[0]+n[0]*r,e[1]=t[1]+n[1]*r,e[2]=t[2]+n[2]*r,e[3]=t[3]+n[3]*r,e[4]=t[4]+n[4]*r,e[5]=t[5]+n[5]*r,e[6]=t[6]+n[6]*r,e[7]=t[7]+n[7]*r,e[8]=t[8]+n[8]*r,e[9]=t[9]+n[9]*r,e[10]=t[10]+n[10]*r,e[11]=t[11]+n[11]*r,e[12]=t[12]+n[12]*r,e[13]=t[13]+n[13]*r,e[14]=t[14]+n[14]*r,e[15]=t[15]+n[15]*r,e}function te(e,t){return e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]&&e[4]===t[4]&&e[5]===t[5]&&e[6]===t[6]&&e[7]===t[7]&&e[8]===t[8]&&e[9]===t[9]&&e[10]===t[10]&&e[11]===t[11]&&e[12]===t[12]&&e[13]===t[13]&&e[14]===t[14]&&e[15]===t[15]}function ne(e,t){var n=e[0],r=e[1],i=e[2],a=e[3],s=e[4],l=e[5],u=e[6],c=e[7],d=e[8],p=e[9],f=e[10],h=e[11],m=e[12],g=e[13],v=e[14],y=e[15],b=t[0],x=t[1],_=t[2],T=t[3],S=t[4],w=t[5],C=t[6],A=t[7],E=t[8],D=t[9],I=t[10],O=t[11],P=t[12],N=t[13],M=t[14],R=t[15];return 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oi={activeScalars:-1,activeVectors:-1,activeTensors:-1,activeNormals:-1,activeTCoords:-1,activeGlobalIds:-1,activePedigreeIds:-1};function ii(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,oi,n),Qo.extend(e,t,n),gt.setGet(e,t,["activeScalars","activeNormals","activeTCoords","activeVectors","activeTensors","activeGlobalIds","activePedigreeIds"]),t.arrays||(t.arrays={}),ri(e,t)}var ai={newInstance:gt.newInstance(ii,"vtkDataSetAttributes"),extend:ii,...Zo};const si=["pointData","cellData","fieldData"];function li(e,t){t.classHierarchy.push("vtkDataSet"),si.forEach((e=>{t[e]?t[e]=he(t[e]):t[e]=ai.newInstance()}));const n=e.shallowCopy;e.shallowCopy=function(e){let r=arguments.length>1&&void 0!==arguments[1]&&arguments[1];n(e,r),si.forEach((n=>{t[n]=ai.newInstance(),t[n].shallowCopy(e.getReferenceByName(n))}))}}const ui={};function ci(e,t){let n=arguments.length>2&&void 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0!==arguments[1]&&arguments[1];n(e,r),t.points=ro.newInstance(),t.points.shallowCopy(e.getPoints())}}const fi={};function hi(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,fi,n),di.extend(e,t,n),gt.setGet(e,t,["points"]),pi(e,t)}var mi={newInstance:gt.newInstance(hi,"vtkPointSet"),extend:hi};const gi=1e-6,vi="coincide",yi="disjoint";function bi(e,t,n){const r=n[0]*(e[0]-t[0])+n[1]*(e[1]-t[1])+n[2]*(e[2]-t[2]);return Math.abs(r)}function xi(e,t,n,r){const o=[];Mn(e,t,o);const i=Ln(n,o);r[0]=e[0]-i*n[0],r[1]=e[1]-i*n[1],r[2]=e[2]-i*n[2]}function _i(e,t,n){const r=Ln(e,t);let o=Ln(t,t);return 0===o&&(o=1),n[0]=e[0]-r*t[0]/o,n[1]=e[1]-r*t[1]/o,n[2]=e[2]-r*t[2]/o,n}function Ti(e,t,n,r){const o=[];Mn(e,t,o);const i=Ln(n,o),a=Ln(n,n);0!==a?(r[0]=e[0]-i*n[0]/a,r[1]=e[1]-i*n[1]/a,r[2]=e[2]-i*n[2]/a):(r[0]=e[0],r[1]=e[1],r[2]=e[2])}function Si(e,t,n,r){const o={intersection:!1,betweenPoints:!1,t:Number.MAX_VALUE,x:[]},i=[],a=[];Mn(t,e,i),Mn(n,e,a);const s=Ln(r,a),l=Ln(r,i);let u,c;return u=l<0?-l:l,c=s<0?-s*gi:s*gi,u<=c||(o.t=s/l,o.x[0]=e[0]+o.t*i[0],o.x[1]=e[1]+o.t*i[1],o.x[2]=e[2]+o.t*i[2],o.intersection=!0,o.betweenPoints=o.t>=0&&o.t<=1),o}function wi(e,t,n,r){const o={intersection:!1,l0:[],l1:[],error:null},i=[];Bn(t,r,i);const a=i.map((e=>Math.abs(e)));if(a[0]+a[1]+a[2]a[1]&&a[0]>a[2]?"x":a[1]>a[2]?"y":"z";const l=[],u=-Ln(t,e),c=-Ln(r,n);switch(s){case"x":l[0]=0,l[1]=(c*t[2]-u*r[2])/i[0],l[2]=(u*r[1]-c*t[1])/i[0];break;case"y":l[0]=(u*r[2]-c*t[2])/i[1],l[1]=0,l[2]=(c*t[0]-u*r[0])/i[1];break;case"z":l[0]=(c*t[1]-u*r[1])/i[2],l[1]=(u*r[0]-c*t[0])/i[2],l[2]=0}return o.l0=l,Nn(l,i,o.l1),o.intersection=!0,o}const Ci={evaluate:function(e,t,n){return e[0]*(n[0]-t[0])+e[1]*(n[1]-t[1])+e[2]*(n[2]-t[2])},distanceToPlane:bi,projectPoint:xi,projectVector:_i,generalizedProjectPoint:Ti,intersectWithLine:Si,intersectWithPlane:wi,DISJOINT:yi,COINCIDE:vi};function Ai(e,t){t.classHierarchy.push("vtkPlane"),e.distanceToPlane=e=>bi(e,t.origin,t.normal),e.projectPoint=(e,n)=>{xi(e,t.origin,t.normal,n)},e.projectVector=(e,n)=>_i(e,t.normal,n),e.push=e=>{if(0!==e)for(let n=0;n<3;n++)t.origin[n]+=e*t.normal[n]},e.generalizedProjectPoint=(e,n)=>{Ti(e,t.origin,t.normal,n)},e.evaluateFunction=(e,n,r)=>Array.isArray(e)?t.normal[0]*(e[0]-t.origin[0])+t.normal[1]*(e[1]-t.origin[1])+t.normal[2]*(e[2]-t.origin[2]):t.normal[0]*(e-t.origin[0])+t.normal[1]*(n-t.origin[1])+t.normal[2]*(r-t.origin[2]),e.evaluateGradient=e=>[t.normal[0],t.normal[1],t.normal[2]],e.intersectWithLine=(e,n)=>Si(e,n,t.origin,t.normal),e.intersectWithPlane=(e,n)=>wi(e,n,t.origin,t.normal)}const Ei={normal:[0,0,1],origin:[0,0,0]};function Di(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ei,n),gt.obj(e,t),gt.setGetArray(e,t,["normal","origin"],3),Ai(e,t)}var Ii={newInstance:gt.newInstance(Di,"vtkPlane"),extend:Di,...Ci};function Oi(e,t,n,r){const o=n[0]-t[0],i=n[1]-t[1],a=n[2]-t[2],s=e[0]-t[0],l=e[1]-t[1],u=e[2]-t[2];r[0]=i*u-a*l,r[1]=a*s-o*u,r[2]=o*l-i*s}function Pi(e,t,n,r){Oi(e,t,n,r);const o=Math.sqrt(r[0]*r[0]+r[1]*r[1]+r[2]*r[2]);0!==o&&(r[0]/=o,r[1]/=o,r[2]/=o)}const Ni={computeNormalDirection:Oi,computeNormal:Pi,intersectWithTriangle:function(e,t,n,r,o,i){let a=arguments.length>6&&void 0!==arguments[6]?arguments[6]:1e-6,s=!1;const l=[],u=[],c=[],d=[],p=[];Pi(e,t,n,d),Pi(r,o,i,p);const f=-Ln(d,e),h=-Ln(p,r),m=[Ln(p,e)+h,Ln(p,t)+h,Ln(p,n)+h];if(m[0]*m[1]>a&&m[0]*m[2]>a)return{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};const g=[Ln(d,r)+f,Ln(d,o)+f,Ln(d,i)+f];if(g[0]*g[1]>a&&g[0]*g[2]>a)return{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};if(Math.abs(d[0]-p[0])<1e-9&&Math.abs(d[1]-p[1])<1e-9&&Math.abs(d[2]-p[2])<1e-9&&Math.abs(f-h)<1e-9)return s=!0,{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};const v=[e,t,n],y=[r,o,i],b=Ln(d,p),x=(f-h*b)/(b*b-1),_=(h-f*b)/(b*b-1),T=[x*d[0]+_*p[0],x*d[1]+_*p[1],x*d[2]+_*p[2]],S=Bn(d,p,[]);Un(S);let w=0,C=0;const A=[],E=[];let D,I,O=50,P=50;for(let t=0;t<3;t++){const n=t,o=(t+1)%3,i=Ii.intersectWithLine(v[n],v[o],r,p);i.intersection&&i.t>0-a&&i.t<1+a&&(i.t<1+a&&i.t>1-a&&(O=w),A[w++]=Ln(i.x,S)-Ln(T,S));const s=Ii.intersectWithLine(y[n],y[o],e,d);s.intersection&&s.t>0-a&&s.t<1+a&&(s.t<1+a&&s.t>1-a&&(P=C),E[C++]=Ln(s.x,S)-Ln(T,S))}if(w>2){w--;const e=A[2];A[2]=A[O],A[O]=e}if(C>2){C--;const e=E[2];E[2]=E[P],E[P]=e}if(2!==w||2!==C)return{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};if(Number.isNaN(A[0])||Number.isNaN(A[1])||Number.isNaN(E[0])||Number.isNaN(E[1]))return{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};if(A[0]>A[1]){const e=A[1];A[1]=A[0],A[0]=e}if(E[0]>E[1]){const e=E[1];E[1]=E[0],E[0]=e}return A[1]2,e.intersectWithLine=(n,r,o,i,a)=>{const s={subId:0,t:Number.MAX_VALUE,intersect:0,betweenPoints:!1};a[2]=0;const l=[],u=o*o,c=[],d=[],p=[];t.points.getPoint(0,c),t.points.getPoint(1,d),t.points.getPoint(2,p);const f=[],h=[];if(Pi(c,d,p,f),0!==f[0]||0!==f[1]||0!==f[2]){const t=Ii.intersectWithLine(n,r,c,f);if(s.betweenPoints=t.betweenPoints,s.t=t.t,i[0]=t.x[0],i[1]=t.x[1],i[2]=t.x[2],!t.intersection)return a[0]=0,a[1]=0,s.intersect=0,s;const o=e.evaluatePosition(i,l,a,h);if(o.evaluation>=0)return o.dist2<=u?(s.intersect=1,s):(s.intersect=o.evaluation,s)}const m=zn(c,d),g=zn(d,p),v=zn(p,c);t.line||(t.line=Xo.newInstance()),m>g&&m>v?(t.line.getPoints().setPoint(0,c),t.line.getPoints().setPoint(1,d)):g>v&&g>m?(t.line.getPoints().setPoint(0,d),t.line.getPoints().setPoint(1,p)):(t.line.getPoints().setPoint(0,p),t.line.getPoints().setPoint(1,c));const y=t.line.intersectWithLine(n,r,o,i,a);if(s.betweenPoints=y.betweenPoints,s.t=y.t,y.intersect){const e=[],t=[],n=[];for(let r=0;r<3;r++)e[r]=c[r]-p[r],t[r]=d[r]-p[r],n[r]=i[r]-p[r];return a[0]=Ln(n,e)/v,a[1]=Ln(n,t)/g,s.intersect=1,s}return a[0]=0,a[1]=0,s.intersect=0,s},e.evaluatePosition=(e,n,r,o)=>{const i={subId:0,dist2:0,evaluation:-1};let a,s;const l=[],u=[],c=[],d=[];let p;const f=[],h=[],m=[];let g=0,v=0;const y=[];let b,x,_,T=[];const S=[],w=[],C=[];i.subId=0,r[2]=0,t.points.getPoint(1,l),t.points.getPoint(2,u),t.points.getPoint(0,c),Oi(l,u,c,d),Ii.generalizedProjectPoint(e,l,d,C);let A=0;for(a=0;a<3;a++)p=d[a]<0?-d[a]:d[a],p>A&&(A=p,v=a);for(s=0,a=0;a<3;a++)a!==v&&(y[s++]=a);for(a=0;a<2;a++)f[a]=C[y[a]]-c[y[a]],h[a]=l[y[a]]-c[y[a]],m[a]=u[y[a]]-c[y[a]];if(g=Wn(h,m),0===g)return r[0]=0,r[1]=0,i.evaluation=-1,i;if(r[0]=Wn(f,m)/g,r[1]=Wn(h,f)/g,o[0]=1-(r[0]+r[1]),o[1]=r[0],o[2]=r[1],o[0]>=0&&o[0]<=1&&o[1]>=0&&o[1]<=1&&o[2]>=0&&o[2]<=1)n&&(i.dist2=zn(C,e),n[0]=C[0],n[1]=C[1],n[2]=C[2]),i.evaluation=1;else{let t;if(n)if(o[1]<0&&o[2]<0)for(b=zn(e,c),x=Xo.distanceToLine(e,l,c,t,S),_=Xo.distanceToLine(e,c,u,t,w),b{const o=[],i=[],a=[];t.points.getPoint(0,o),t.points.getPoint(1,i),t.points.getPoint(2,a);const s=1-e[0]-e[1];for(let t=0;t<3;t++)n[t]=o[t]*s+i[t]*e[0]+a[t]*e[1];r[0]=s,r[1]=e[0],r[2]=e[1]},e.getParametricDistance=e=>{let t,n=0;const r=[];r[0]=e[0],r[1]=e[1],r[2]=1-e[0]-e[1];for(let e=0;e<3;e++)t=r[e]<0?-r[e]:r[e]>1?r[e]-1:0,t>n&&(n=t);return n}}const Ri={};function Fi(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ri,n),so.extend(e,t,n),Mi(e,t)}var ki={newInstance:gt.newInstance(Fi,"vtkTriangle"),extend:Fi,...Ni};const Li=["verts","lines","polys","strips"],{vtkWarningMacro:Bi}=gt,Vi={[go]:Xo,[vo]:Xo,[yo]:ki};function Ui(e,t){t.classHierarchy.push("vtkPolyData"),Li.forEach((n=>{e[`getNumberOf${function(e){return e.replace(/(?:^\w|[A-Z]|\b\w)/g,(e=>e.toUpperCase())).replace(/\s+/g,"")}(n)}`]=()=>t[n].getNumberOfCells(),t[n]?t[n]=he(t[n]):t[n]=Jr.newInstance()})),e.getNumberOfCells=()=>Li.reduce(((e,n)=>e+t[n].getNumberOfCells()),0);const n=e.shallowCopy;e.shallowCopy=function(e){let r=arguments.length>1&&void 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Aa(e,t){t.classHierarchy.push("vtkOpenGLVertexArrayObject"),e.exposedMethod=()=>{},e.initialize=()=>{t.instancingExtension=null,t._openGLRenderWindow.getWebgl2()||(t.instancingExtension=t.context.getExtension("ANGLE_instanced_arrays")),!t.forceEmulation&&t._openGLRenderWindow&&t._openGLRenderWindow.getWebgl2()?(t.extension=null,t.supported=!0,t.handleVAO=t.context.createVertexArray()):(t.extension=t.context.getExtension("OES_vertex_array_object"),!t.forceEmulation&&t.extension?(t.supported=!0,t.handleVAO=t.extension.createVertexArrayOES()):t.supported=!1)},e.isReady=()=>0!==t.handleVAO||!1===t.supported,e.bind=()=>{if(e.isReady()||e.initialize(),e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(t.handleVAO):t.context.bindVertexArray(t.handleVAO);else if(e.isReady()){const e=t.context;for(let n=0;n0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,1):e.vertexAttribDivisor(o.index+n,1))}}}},e.release=()=>{if(e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(null):t.context.bindVertexArray(null);else if(e.isReady()){const e=t.context;for(let n=0;n0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,0):e.vertexAttribDivisor(o.index+n,0)),e.disableVertexAttribArray(o.index+n)}}}},e.shaderProgramChanged=()=>{e.release(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.handleProgram=0},e.releaseGraphicsResources=()=>{e.shaderProgramChanged(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.supported=!0,t.handleProgram=0},e.addAttributeArray=(t,n,r,o,i,a,s,l)=>e.addAttributeArrayWithDivisor(t,n,r,o,i,a,s,l,0,!1),e.addAttributeArrayWithDivisor=(n,r,o,i,a,s,l,u,c,d)=>{if(!n)return!1;if(!n.isBound()||0===r.getHandle()||r.getType()!==ta.ARRAY_BUFFER)return!1;if(0===t.handleProgram&&(t.handleProgram=n.getHandle()),e.isReady()||e.initialize(),!e.isReady()||t.handleProgram!==n.getHandle())return!1;const p=t.context,f={};if(f.name=o,f.index=p.getAttribLocation(t.handleProgram,o),f.offset=i,f.stride=a,f.type=s,f.size=l,f.normalize=u,f.isMatrix=d,f.divisor=c,-1===f.Index)return!1;if(r.bind(),p.enableVertexAttribArray(f.index),p.vertexAttribPointer(f.index,f.size,f.type,f.normalize,f.stride,f.offset),c>0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f.index,1):p.vertexAttribDivisor(f.index,1)),f.buffer=r.getHandle(),!t.supported){let e=!1;for(let n=0;n{const d=e.addAttributeArrayWithDivisor(n,r,o,i,a,s,l,u,c,!0);if(!d)return d;const p=t.context,f=p.getAttribLocation(t.handleProgram,o);for(let e=1;e0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f+e,1):p.vertexAttribDivisor(f+e,1));return!0},e.removeAttributeArray=n=>{if(!e.isReady()||0===t.handleProgram)return!1;if(!t.supported)for(let e=0;e{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))}}const Ea={forceEmulation:!1,handleVAO:0,handleProgram:0,supported:!0,buffers:null,context:null};function Da(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ea,n),t.buffers=[],gt.obj(e,t),gt.get(e,t,["supported"]),gt.setGet(e,t,["forceEmulation"]),Aa(e,t)}var Ia={newInstance:gt.newInstance(Da,"vtkOpenGLVertexArrayObject"),extend:Da};const Oa={Start:0,Points:0,Lines:1,Tris:2,TriStrips:3,TrisEdges:4,TriStripsEdges:5,End:6};function Pa(e,t){t.classHierarchy.push("vtkOpenGLHelper"),e.setOpenGLRenderWindow=e=>{t.context=e.getContext(),t.program.setContext(t.context),t.VAO.setOpenGLRenderWindow(e),t.CABO.setOpenGLRenderWindow(e)},e.releaseGraphicsResources=e=>{t.VAO.releaseGraphicsResources(),t.CABO.releaseGraphicsResources(),t.CABO.setElementCount(0)},e.drawArrays=(n,r,o,i)=>{if(t.CABO.getElementCount()){const a=e.getOpenGLMode(o),s=e.haveWideLines(n,r),l=t.context,u=l.getParameter(l.DEPTH_WRITEMASK);t.pointPicking&&l.depthMask(!1),a===l.LINES&&s?(e.updateShaders(n,r,i),l.drawArraysInstanced(a,0,t.CABO.getElementCount(),2*Math.ceil(r.getProperty().getLineWidth()))):(l.lineWidth(r.getProperty().getLineWidth()),e.updateShaders(n,r,i),l.drawArrays(a,0,t.CABO.getElementCount()),l.lineWidth(1));const c=(a===l.POINTS?1:0)||(a===l.LINES?2:3);return t.pointPicking&&l.depthMask(u),t.CABO.getElementCount()/c}return 0},e.getOpenGLMode=e=>{if(t.pointPicking)return t.context.POINTS;const n=t.primitiveType;return e===ua.POINTS||n===Oa.Points?t.context.POINTS:e===ua.WIREFRAME||n===Oa.Lines||n===Oa.TrisEdges||n===Oa.TriStripsEdges?t.context.LINES:t.context.TRIANGLES},e.haveWideLines=(e,n)=>n.getProperty().getLineWidth()>1&&!(t.CABO.getOpenGLRenderWindow()&&t.CABO.getOpenGLRenderWindow().getHardwareMaximumLineWidth()>=n.getProperty().getLineWidth()),e.getNeedToRebuildShaders=(t,n,r)=>!!(r.getNeedToRebuildShaders(e,t,n)||0===e.getProgram()||e.getShaderSourceTime().getMTime(){if(e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};o.buildShaders(i,n,r);const a=t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==e.getProgram()&&(e.setProgram(a),e.getVAO().releaseGraphicsResources()),e.getShaderSourceTime().modified()}else t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgram(e.getProgram());e.getVAO().bind(),o.setMapperShaderParameters(e,n,r),o.setPropertyShaderParameters(e,n,r),o.setCameraShaderParameters(e,n,r),o.setLightingShaderParameters(e,n,r),o.invokeShaderCallbacks(e,n,r)},e.setMapperShaderParameters=(n,r,o)=>{if(e.haveWideLines(n,r)){e.getProgram().setUniform2f("viewportSize",o.usize,o.vsize);const t=parseFloat(r.getProperty().getLineWidth()),n=t/2;e.getProgram().setUniformf("lineWidthStepSize",t/Math.ceil(t)),e.getProgram().setUniformf("halfLineWidth",n)}t.primitiveType===Oa.Points||r.getProperty().getRepresentation()===ua.POINTS?e.getProgram().setUniformf("pointSize",r.getProperty().getPointSize()):t.pointPicking&&e.getProgram().setUniformf("pointSize",e.getPointPickingPrimitiveSize())},e.replaceShaderPositionVC=(n,r,o)=>{let i=n.Vertex;i=Ca.substitute(i,"//VTK::PositionVC::Dec",["//VTK::PositionVC::Dec","uniform float pointSize;"]).result,i=Ca.substitute(i,"//VTK::PositionVC::Impl",["//VTK::PositionVC::Impl"," gl_PointSize = pointSize;"],!1).result,e.getOpenGLMode(o.getProperty().getRepresentation())===t.context.LINES&&e.haveWideLines(r,o)&&(i=Ca.substitute(i,"//VTK::PositionVC::Dec",["//VTK::PositionVC::Dec","uniform vec2 viewportSize;","uniform float lineWidthStepSize;","uniform float halfLineWidth;"]).result,i=Ca.substitute(i,"//VTK::PositionVC::Impl",["//VTK::PositionVC::Impl"," if (halfLineWidth > 0.0)"," {"," float offset = float(gl_InstanceID / 2) * lineWidthStepSize - halfLineWidth;"," vec4 tmpPos = gl_Position;"," vec3 tmpPos2 = tmpPos.xyz / tmpPos.w;"," tmpPos2.x = tmpPos2.x + 2.0 * mod(float(gl_InstanceID), 2.0) * offset / viewportSize[0];"," tmpPos2.y = tmpPos2.y + 2.0 * mod(float(gl_InstanceID + 1), 2.0) * offset / viewportSize[1];"," gl_Position = vec4(tmpPos2.xyz * tmpPos.w, tmpPos.w);"," }"]).result),n.Vertex=i},e.getPointPickingPrimitiveSize=()=>t.primitiveType===Oa.Points?2:t.primitiveType===Oa.Lines?4:6,e.getAllocatedGPUMemoryInBytes=()=>e.getCABO().getAllocatedGPUMemoryInBytes()}const Na={context:null,program:null,shaderSourceTime:null,VAO:null,attributeUpdateTime:null,CABO:null,primitiveType:0,pointPicking:!1};function Ma(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Na,n),gt.obj(e,t),t.shaderSourceTime={},gt.obj(t.shaderSourceTime),t.attributeUpdateTime={},gt.obj(t.attributeUpdateTime),gt.setGet(e,t,["program","shaderSourceTime","VAO","attributeUpdateTime","CABO","primitiveType","pointPicking"]),t.program=Ca.newInstance(),t.VAO=Ia.newInstance(),t.CABO=ma.newInstance(),Pa(e,t)}var Ra={newInstance:gt.newInstance(Ma),extend:Ma,primTypes:Oa};const Fa=e=>e,ka=1e-6;class La{constructor(){let e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this.matrix=f(new Float64Array(16)),this.tmp=new Float64Array(3),this.angleConv=e?s:Fa}rotateFromDirections(e,t){const n=new Float64Array(3),r=new Float64Array(3),o=new Float64Array(16);jt(n,e[0],e[1],e[2]),jt(r,t[0],t[1],t[2]),Kt(n,n),Kt(r,r);const i=qt(n,r);return i>=1||($t(this.tmp,n,r),Gt(this.tmp)1&&void 0!==arguments[1]?arguments[1]:0,n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:-1;if($n(un,this.matrix))return this;const r=-1===n?e.length:t+3*n;for(let n=t;n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ja,n),gt.obj(e,t),gt.setGet(e,t,["xLength","yLength","zLength","generate3DTextureCoordinates","generateFaces","generateLines"]),gt.setGetArray(e,t,["center","rotations"],3),gt.setGetArray(e,t,["matrix"],16),t._polys=Jr.newInstance({values:Uint16Array.from(Ga)}),t._lineCells=Jr.newInstance({values:Uint16Array.from(Ua)}),gt.moveToProtected(e,t,["polys","lineCells"]),gt.algo(e,t,0,1),za(e,t)}var Ha={newInstance:gt.newInstance(Wa,"vtkCubeSource"),extend:Wa};const{vtkErrorMacro:Xa}=gt;function Ka(e,t){t.classHierarchy.push("vtkImageDataOutlineFilter");const n={...e};e.requestData=(e,n)=>{const r=e[0];if(!r||!r.isA("vtkImageData"))return void Xa("Invalid or missing input");const o=r.getSpatialExtent();o?(t._cubeSource.setBounds(o),t._cubeSource.setMatrix(r.getIndexToWorld()),n[0]=t._cubeSource.getOutputData()):Xa("Unable to fetch spatial extents of input image.")},e.getMTime=()=>Math.max(n.getMTime(),t._cubeSource.getMTime()),e.setGenerateFaces=t._cubeSource.setGenerateFaces,e.setGenerateLines=t._cubeSource.setGenerateLines,e.getGenerateFaces=t._cubeSource.getGenerateFaces,e.getGenerateLines=t._cubeSource.getGenerateLines}const qa={};function $a(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,qa,n),gt.obj(e,t),gt.algo(e,t,1,1),t._cubeSource=Ha.newInstance(),gt.moveToProtected(e,t,["cubeSource","tmpOut"]),Ka(e,t)}var Ya={newInstance:gt.newInstance($a,"vtkImageDataOutlineFilter"),extend:$a};const Ja={CLAMP_TO_EDGE:0,REPEAT:1,MIRRORED_REPEAT:2},Qa={NEAREST:0,LINEAR:1,NEAREST_MIPMAP_NEAREST:2,NEAREST_MIPMAP_LINEAR:3,LINEAR_MIPMAP_NEAREST:4,LINEAR_MIPMAP_LINEAR:5};var Za={Wrap:Ja,Filter:Qa};const es=new Float32Array(1),ts=new Int32Array(es.buffer);var ns={fromHalf:function(e){const t=(32768&e)>>15,n=(31744&e)>>10,r=1023&e;return 0===n?(t?-1:1)*2**-14*(r/1024):31===n?r?NaN:1/0*(t?-1:1):(t?-1:1)*2**(n-15)*(1+r/1024)},toHalf:function(e){es[0]=e;const t=ts[0];let n=t>>16&32768,r=t>>12&2047;const o=t>>23&255;return o<103?n:o>142?(n|=31744,n|=(255===o?0:1)&&8388607&t,n):o<113?(r|=2048,n|=(r>>114-o)+(r>>113-o&1),n):(n|=o-112<<10|r>>1,n+=1&r,n)}};const{Wrap:rs,Filter:os}=Za,{VtkDataTypes:is}=Wr,{vtkDebugMacro:as,vtkErrorMacro:ss,vtkWarningMacro:ls}=vt,{toHalf:us}=ns;function cs(e,t){function n(e,n){let r=arguments.length>2&&void 0!==arguments[2]&&arguments[2];const o=[];let i=t.width*t.height*t.components;if(r&&(i*=t.depth),e!==is.FLOAT&&t.openGLDataType===t.context.FLOAT)for(let e=0;ei?n[e].subarray(0,i):n[e];o.push(new Float32Array(t))}else o.push(null);if(e!==is.UNSIGNED_CHAR&&t.openGLDataType===t.context.UNSIGNED_BYTE)for(let e=0;ei?n[e].subarray(0,i):n[e];o.push(new Uint8Array(t))}else o.push(null);let a=!1;if(t._openGLRenderWindow.getWebgl2())a=t.openGLDataType===t.context.HALF_FLOAT;else{const e=t.context.getExtension("OES_texture_half_float");a=e&&t.openGLDataType===e.HALF_FLOAT_OES}if(a)for(let e=0;e=o&&(u=o-1);const m=a-l,g=1-m;l=l*r*i,u=u*r*i;for(let t=0;t=r&&(p=r-1);const v=a-s;s*=i,p*=i;for(let t=0;t2048||o<-2048||o>2048)return!1}return!0}(r,o)||i);t.useHalfFloat=s}(i,u.offset,u.scale,r),t.useHalfFloat||e.getOpenGLDataType(i,!0),{numComps:o,dataType:i,data:a,scaleOffsets:u}}t.classHierarchy.push("vtkOpenGLTexture"),e.render=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null;if(n?t._openGLRenderWindow=n:(t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent()),t.context=t._openGLRenderWindow.getContext(),t.renderable.getInterpolate()?(t.generateMipmap?e.setMinificationFilter(os.LINEAR_MIPMAP_LINEAR):e.setMinificationFilter(os.LINEAR),e.setMagnificationFilter(os.LINEAR)):(e.setMinificationFilter(os.NEAREST),e.setMagnificationFilter(os.NEAREST)),t.renderable.getRepeat()&&(e.setWrapR(rs.REPEAT),e.setWrapS(rs.REPEAT),e.setWrapT(rs.REPEAT)),t.renderable.getInputData()&&t.renderable.setImage(null),!t.handle||t.renderable.getMTime()>t.textureBuildTime.getMTime()){if(null!==t.renderable.getImage()&&(t.renderable.getInterpolate()&&(t.generateMipmap=!0,e.setMinificationFilter(os.LINEAR_MIPMAP_LINEAR)),t.renderable.getImage()&&t.renderable.getImageLoaded()&&(e.create2DFromImage(t.renderable.getImage()),e.activate(),e.sendParameters(),t.textureBuildTime.modified())),null!==t.renderable.getCanvas()){t.renderable.getInterpolate()&&(t.generateMipmap=!0,e.setMinificationFilter(os.LINEAR_MIPMAP_LINEAR));const n=t.renderable.getCanvas();e.create2DFromRaw(n.width,n.height,4,is.UNSIGNED_CHAR,n,!0),e.activate(),e.sendParameters(),t.textureBuildTime.modified()}if(null!==t.renderable.getJsImageData()){const n=t.renderable.getJsImageData();t.renderable.getInterpolate()&&(t.generateMipmap=!0,e.setMinificationFilter(os.LINEAR_MIPMAP_LINEAR)),e.create2DFromRaw(n.width,n.height,4,is.UNSIGNED_CHAR,n.data,!0),e.activate(),e.sendParameters(),t.textureBuildTime.modified()}const n=t.renderable.getInputData(0);if(n&&n.getPointData().getScalars()){const r=n.getExtent(),o=n.getPointData().getScalars(),i=[];for(let e=0;e{e.deactivate(),t.context&&t.handle&&t.context.deleteTexture(t.handle),t.handle=0,t.numberOfDimensions=0,t.target=0,t.components=0,t.width=0,t.height=0,t.depth=0,e.resetFormatAndType()},e.createTexture=()=>{t.handle||(t.handle=t.context.createTexture(),t.target&&(t.context.bindTexture(t.target,t.handle),t.context.texParameteri(t.target,t.context.TEXTURE_MIN_FILTER,e.getOpenGLFilterMode(t.minificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_MAG_FILTER,e.getOpenGLFilterMode(t.magnificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_S,e.getOpenGLWrapMode(t.wrapS)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_T,e.getOpenGLWrapMode(t.wrapT)),t._openGLRenderWindow.getWebgl2()&&t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_R,e.getOpenGLWrapMode(t.wrapR)),t.context.bindTexture(t.target,null)))},e.getTextureUnit=()=>t._openGLRenderWindow?t._openGLRenderWindow.getTextureUnitForTexture(e):-1,e.activate=()=>{t._openGLRenderWindow.activateTexture(e),e.bind()},e.deactivate=()=>{t._openGLRenderWindow&&t._openGLRenderWindow.deactivateTexture(e)},e.releaseGraphicsResources=n=>{n&&t.handle&&(n.activateTexture(e),n.deactivateTexture(e),t.context.deleteTexture(t.handle),t.handle=0,t.numberOfDimensions=0,t.target=0,t.internalFormat=0,t.format=0,t.openGLDataType=0,t.components=0,t.width=0,t.height=0,t.depth=0,t.allocatedGPUMemoryInBytes=0),t.shaderProgram&&(t.shaderProgram.releaseGraphicsResources(n),t.shaderProgram=null)},e.bind=()=>{t.context.bindTexture(t.target,t.handle),t.autoParameters&&e.getMTime()>t.sendParametersTime.getMTime()&&e.sendParameters()},e.isBound=()=>{let e=!1;if(t.context&&t.handle){let n=0;t.target===t.context.TEXTURE_2D?n=t.context.TEXTURE_BINDING_2D:ls("impossible case"),e=t.context.getIntegerv(n)===t.handle}return e},e.sendParameters=()=>{t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_S,e.getOpenGLWrapMode(t.wrapS)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_T,e.getOpenGLWrapMode(t.wrapT)),t._openGLRenderWindow.getWebgl2()&&t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_R,e.getOpenGLWrapMode(t.wrapR)),t.context.texParameteri(t.target,t.context.TEXTURE_MIN_FILTER,e.getOpenGLFilterMode(t.minificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_MAG_FILTER,e.getOpenGLFilterMode(t.magnificationFilter)),t._openGLRenderWindow.getWebgl2()&&(t.context.texParameteri(t.target,t.context.TEXTURE_BASE_LEVEL,t.baseLevel),t.context.texParameteri(t.target,t.context.TEXTURE_MAX_LEVEL,t.maxLevel)),t.sendParametersTime.modified()},e.getInternalFormat=(n,r)=>(t._forceInternalFormat||(t.internalFormat=e.getDefaultInternalFormat(n,r)),t.internalFormat||as(`Unable to find suitable internal format for T=${n} NC= ${r}`),t.internalFormat),e.getDefaultInternalFormat=(e,n)=>{let r=0;return r=t._openGLRenderWindow.getDefaultTextureInternalFormat(e,n,t.oglNorm16Ext,t.useHalfFloat),r||(r||(as("Unsupported internal texture type!"),as(`Unable to find suitable internal format for T=${e} NC= ${n}`)),r)},e.setInternalFormat=n=>{t._forceInternalFormat=!0,n!==t.internalFormat&&(t.internalFormat=n,e.modified())},e.getFormat=(n,r)=>(t.format=e.getDefaultFormat(n,r),t.format),e.getDefaultFormat=(e,n)=>{if(t._openGLRenderWindow.getWebgl2())switch(n){case 1:return t.context.RED;case 2:return t.context.RG;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}else switch(n){case 1:return t.context.LUMINANCE;case 2:return t.context.LUMINANCE_ALPHA;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}},e.resetFormatAndType=()=>{t.format=0,t.internalFormat=0,t._forceInternalFormat=!1,t.openGLDataType=0},e.getDefaultDataType=e=>{if(t._openGLRenderWindow.getWebgl2())switch(e){case is.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case t.oglNorm16Ext&&!t.useHalfFloat&&is.SHORT:return t.context.SHORT;case t.oglNorm16Ext&&!t.useHalfFloat&&is.UNSIGNED_SHORT:return t.context.UNSIGNED_SHORT;case t.useHalfFloat&&is.SHORT:case t.useHalfFloat&&is.UNSIGNED_SHORT:return t.context.HALF_FLOAT;case is.FLOAT:case is.VOID:default:return t.context.FLOAT}switch(e){case is.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case is.FLOAT:case is.VOID:default:if(t.context.getExtension("OES_texture_float")&&t.context.getExtension("OES_texture_float_linear"))return t.context.FLOAT;{const e=t.context.getExtension("OES_texture_half_float");if(e&&t.context.getExtension("OES_texture_half_float_linear"))return e.HALF_FLOAT_OES}return t.context.UNSIGNED_BYTE}},e.getOpenGLDataType=function(n){let r=arguments.length>1&&void 0!==arguments[1]&&arguments[1];return t.openGLDataType&&!r||(t.openGLDataType=e.getDefaultDataType(n)),t.openGLDataType},e.getShiftAndScale=()=>{let e=0,n=1;switch(t.openGLDataType){case t.context.BYTE:n=127.5,e=n-128;break;case t.context.UNSIGNED_BYTE:n=255,e=0;break;case t.context.SHORT:n=32767.5,e=n-32768;break;case t.context.UNSIGNED_SHORT:n=65536,e=0;break;case t.context.INT:n=2147483647.5,e=n-2147483648;break;case t.context.UNSIGNED_INT:n=4294967295,e=0;case t.context.FLOAT:}return{shift:e,scale:n}},e.getOpenGLFilterMode=e=>{switch(e){case os.NEAREST:return t.context.NEAREST;case os.LINEAR:return t.context.LINEAR;case os.NEAREST_MIPMAP_NEAREST:return t.context.NEAREST_MIPMAP_NEAREST;case os.NEAREST_MIPMAP_LINEAR:return t.context.NEAREST_MIPMAP_LINEAR;case os.LINEAR_MIPMAP_NEAREST:return t.context.LINEAR_MIPMAP_NEAREST;case os.LINEAR_MIPMAP_LINEAR:return t.context.LINEAR_MIPMAP_LINEAR;default:return t.context.NEAREST}},e.getOpenGLWrapMode=e=>{switch(e){case rs.CLAMP_TO_EDGE:return t.context.CLAMP_TO_EDGE;case rs.REPEAT:return t.context.REPEAT;case rs.MIRRORED_REPEAT:return t.context.MIRRORED_REPEAT;default:return t.context.CLAMP_TO_EDGE}},e.create2DFromRaw=function(i,a,s,l,u){let c=arguments.length>5&&void 0!==arguments[5]&&arguments[5];if(e.getOpenGLDataType(l,!0),e.getInternalFormat(l,s),e.getFormat(l,s),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=s,t.width=i,t.height=a,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=[u],p=n(l,d),f=r(p);return t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,c),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(l)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=f[0]&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,f[0])):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,f[0]),t.generateMipmap&&t.context.generateMipmap(t.target),c&&t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,!1),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*s*t._openGLRenderWindow.getDefaultTextureByteSize(l,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.createCubeFromRaw=(i,a,s,l,u)=>{if(e.getOpenGLDataType(l),e.getInternalFormat(l,s),e.getFormat(l,s),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_CUBE_MAP,t.components=s,t.width=i,t.height=a,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),t.maxLevel=u.length/6-1,e.createTexture(),e.bind();const c=r(n(l,u)),d=[];let p=t.width,f=t.height;for(let e=0;e=1&&i>=1;){let a=null;n<=t.maxLevel&&(a=d[6*n+e]),o(l)?null!=a&&t.context.texSubImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,0,0,r,i,t.format,t.openGLDataType,a):t.context.texImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,t.internalFormat,r,i,0,t.format,t.openGLDataType,a),n++,r/=2,i/=2}}return t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*s*t._openGLRenderWindow.getDefaultTextureByteSize(l,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.createDepthFromRaw=(n,r,i,a)=>(e.getOpenGLDataType(i),t.format=t.context.DEPTH_COMPONENT,t._openGLRenderWindow.getWebgl2()?i===is.FLOAT?t.internalFormat=t.context.DEPTH_COMPONENT32F:t.internalFormat=t.context.DEPTH_COMPONENT16:t.internalFormat=t.context.DEPTH_COMPONENT,t.internalFormat&&t.format&&t.openGLDataType?(t.target=t.context.TEXTURE_2D,t.components=1,t.width=n,t.height=r,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(i)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=a&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,a)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,a),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(i,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0):(ss("Failed to determine texture parameters."),!1)),e.create2DFromImage=n=>{if(e.getOpenGLDataType(is.UNSIGNED_CHAR),e.getInternalFormat(is.UNSIGNED_CHAR,4),e.getFormat(is.UNSIGNED_CHAR,4),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=4,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1);const r=!(t._openGLRenderWindow.getWebgl2()||On(n.width)&&On(n.height)),i=document.createElement("canvas");i.width=r?In(n.width):n.width,i.height=r?In(n.height):n.height,t.width=i.width,t.height=i.height;const a=i.getContext("2d");a.translate(0,i.height),a.scale(1,-1),a.drawImage(n,0,0,n.width,n.height,0,0,i.width,i.height);const s=i;return o(is.UNSIGNED_CHAR)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=s&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,s)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,s),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(is.UNSIGNED_CHAR,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.create2DFilterableFromRaw=function(t,n,r,o,i){let a=arguments.length>5&&void 0!==arguments[5]&&arguments[5];return e.create2DFilterableFromDataArray(t,n,Wr.newInstance({numberOfComponents:r,dataType:o,values:i}),a)},e.create2DFilterableFromDataArray=function(t,n,r){let o=arguments.length>3&&void 0!==arguments[3]&&arguments[3];const{numComps:a,dataType:s,data:l}=i(r,o);e.create2DFromRaw(t,n,a,s,l)},e.create3DFromRaw=(i,a,s,l,u,c)=>{if(e.getOpenGLDataType(u),e.getInternalFormat(u,l),e.getFormat(u,l),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_3D,t.components=l,t.width=i,t.height=a,t.depth=s,t.numberOfDimensions=3,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=r(n(u,[c],!0));return t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(u)?(t.context.texStorage3D(t.target,1,t.internalFormat,t.width,t.height,t.depth),null!=d[0]&&t.context.texSubImage3D(t.target,0,0,0,0,t.width,t.height,t.depth,t.format,t.openGLDataType,d[0])):t.context.texImage3D(t.target,0,t.internalFormat,t.width,t.height,t.depth,0,t.format,t.openGLDataType,d[0]),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(u,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.create3DFilterableFromRaw=function(t,n,r,o,i,a){let s=arguments.length>6&&void 0!==arguments[6]&&arguments[6];return e.create3DFilterableFromDataArray(t,n,r,Wr.newInstance({numberOfComponents:o,dataType:i,values:a}),s)},e.create3DFilterableFromDataArray=function(n,r,a,s){let l=arguments.length>4&&void 0!==arguments[4]&&arguments[4];const{numComps:u,dataType:c,data:d,scaleOffsets:p}=i(s,l),f=n*r*a,h=[],m=[];for(let e=0;e1/e));for(let e=0;e{e[t]=n},y=is.UNSIGNED_CHAR;if(c===is.UNSIGNED_CHAR)for(let e=0;e{e[t]=(n-r)/o}):(y=is.UNSIGNED_CHAR,v=(e,t,n,r,o)=>{e[t]=255*(n-r)/o});if(e.getOpenGLDataType(y),e.getInternalFormat(y,u),e.getFormat(y,u),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=u,t.depth=1,t.numberOfDimensions=2;let b=t.context.getParameter(t.context.MAX_TEXTURE_SIZE);b>4096&&(y===is.FLOAT||u>=3)&&(b=4096);let x=1,_=1;f>b*b&&(x=Math.ceil(Math.sqrt(f/(b*b))),_=x);let T=Math.sqrt(f)/x;T=In(T);const S=Math.floor(T*x/n),w=Math.ceil(a/S),C=In(r*w/_);let A;t.width=T,t.height=C,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.volumeInfo.xreps=S,t.volumeInfo.yreps=w,t.volumeInfo.xstride=x,t.volumeInfo.ystride=_,t.volumeInfo.offset=g.offset,t.volumeInfo.scale=g.scale;const E=T*C*u;A=y===is.FLOAT?new Float32Array(E):new Uint8Array(E);let D=0;const I=Math.floor(n/x),O=Math.floor(r/_);for(let e=0;e{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.getMaximumTextureSize=e=>e&&e.isCurrent()?e.getIntegerv(e.MAX_TEXTURE_SIZE):-1}const ds={_openGLRenderWindow:null,_forceInternalFormat:!1,context:null,handle:0,sendParametersTime:null,textureBuildTime:null,numberOfDimensions:0,target:0,format:0,openGLDataType:0,components:0,width:0,height:0,depth:0,autoParameters:!0,wrapS:rs.CLAMP_TO_EDGE,wrapT:rs.CLAMP_TO_EDGE,wrapR:rs.CLAMP_TO_EDGE,minificationFilter:os.NEAREST,magnificationFilter:os.NEAREST,minLOD:-1e3,maxLOD:1e3,baseLevel:0,maxLevel:1e3,generateMipmap:!1,useHalfFloat:!0,oglNorm16Ext:null,allocatedGPUMemoryInBytes:0};function ps(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ds,n),Tt.extend(e,t,n),t.sendParametersTime={},je(t.sendParametersTime,{mtime:0}),t.textureBuildTime={},je(t.textureBuildTime,{mtime:0}),qe(e,t,["format","openGLDataType"]),$e(e,t,["keyMatrixTime","minificationFilter","magnificationFilter","wrapS","wrapT","wrapR","generateMipmap","oglNorm16Ext"]),He(e,t,["width","height","volumeInfo","components","handle","target","allocatedGPUMemoryInBytes"]),Ze(0,t,["openGLRenderWindow"]),cs(e,t)}const fs=rt(ps,"vtkOpenGLTexture");var hs={newInstance:fs,extend:ps,...Za};Dt("vtkTexture",fs);var ms=function(e,t){e.replaceShaderCoincidentOffset=(n,r,o)=>{const i=e.getCoincidentParameters(r,o);if(i&&(0!==i.factor||0!==i.offset)){let e=n.Fragment;e=Ca.substitute(e,"//VTK::Coincident::Dec",["uniform float cfactor;","uniform float coffset;"]).result,t.context.getExtension("EXT_frag_depth")&&(0!==i.factor?(e=Ca.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + 0.000016*coffset;").result),t._openGLRenderWindow.getWebgl2()&&(0!==i.factor?(e=Ca.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + 0.000016*coffset;").result),n.Fragment=e}}},gs=function(e,t){e.applyShaderReplacements=(e,t,n)=>{let r=null;if(t&&(r=t.ShaderReplacements),r)for(let t=0;t{e.getReplacedShaderTemplate(n,r,o),t.lastRenderPassShaderReplacement=t.currentRenderPass?t.currentRenderPass.getShaderReplacement():null,t.lastRenderPassShaderReplacement&&t.lastRenderPassShaderReplacement(n);const i=t.renderable.getViewSpecificProperties().OpenGL;e.applyShaderReplacements(n,i,!0),e.replaceShaderValues(n,r,o),e.applyShaderReplacements(n,i)},e.getReplacedShaderTemplate=(n,r,o)=>{const i=t.renderable.getViewSpecificProperties().OpenGL;e.getShaderTemplate(n,r,o);let a=n.Vertex;if(i){const e=i.VertexShaderCode;void 0!==e&&""!==e&&(a=e)}n.Vertex=a;let s=n.Fragment;if(i){const e=i.FragmentShaderCode;void 0!==e&&""!==e&&(s=e)}n.Fragment=s;let l=n.Geometry;if(i){const e=i.GeometryShaderCode;void 0!==e&&(l=e)}n.Geometry=l}};let vs;function ys(e,t){t.classHierarchy.push("vtkAbstractTransform","vtkHomogeneousTransform","vtkTransform"),e.transformPoint=(e,n)=>(Yt(n,e,t.matrix),n),e.transformPoints=(e,n)=>{const r=new Float64Array(3),o=new Float64Array(3);for(let i=0;i{e.setPreMultiplyFlag(!0)},e.postMultiply=()=>{e.setPreMultiplyFlag(!1)},e.transformMatrix=(e,n)=>(t.preMultiplyFlag?y(n,t.matrix,e):y(n,e,t.matrix),n),e.transformMatrices=(e,n)=>{const r=new Float64Array(16),o=new Float64Array(16),i=t.preMultiplyFlag?()=>y(o,t.matrix,r):()=>y(o,r,t.matrix);for(let t=0;tvs({matrix:Pr.invertMatrix(Array.from(t.matrix),[],4),preMultiplyFlag:t.preMultiplyFlag})}const bs={preMultiplyFlag:!1,matrix:[...un]};function xs(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,bs,n),gt.obj(e,t),gt.setGet(e,t,["preMultiplyFlag"]),gt.setGetArray(e,t,["matrix"],16),ys(e,t)}vs=gt.newInstance(xs,"vtkTransform");var _s={newInstance:vs,extend:xs};const Ts=0,{vtkErrorMacro:Ss}=vt;function ws(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function Cs(e,t,n){return t.identity(n),e.reduce(((e,n,r)=>0===r?n?t.copy(e,n):t.identity(e):n?t.multiply(e,e,n):e),n)}function As(e,t){t.classHierarchy.push("vtkOpenGLImageResliceMapper"),e.buildPass=n=>{if(n){t.currentRenderPass=null,t._openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const n=t._openGLRenderer.getRenderable();t._openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera()),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow)}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t._openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getInputData(),t.currentInput?(e.updateResliceGeometry(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r),e.invokeEvent({type:"EndEvent"})):Ss("No input!")},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),r.getProperty().getInterpolationType()===Ts?(t.openGLTexture.setMinificationFilter(Qa.NEAREST),t.openGLTexture.setMagnificationFilter(Qa.NEAREST),t.colorTexture.setMinificationFilter(Qa.NEAREST),t.colorTexture.setMagnificationFilter(Qa.NEAREST),t.pwfTexture.setMinificationFilter(Qa.NEAREST),t.pwfTexture.setMagnificationFilter(Qa.NEAREST)):(t.openGLTexture.setMinificationFilter(Qa.LINEAR),t.openGLTexture.setMagnificationFilter(Qa.LINEAR),t.colorTexture.setMinificationFilter(Qa.LINEAR),t.colorTexture.setMagnificationFilter(Qa.LINEAR),t.pwfTexture.setMinificationFilter(Qa.LINEAR),t.pwfTexture.setMagnificationFilter(Qa.LINEAR)),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const r=t.currentInput;if(!r)return;const o=r.getPointData()?.getScalars();if(!o)return;t._scalars!==o&&(t._openGLRenderWindow.releaseGraphicsResourcesForObject(t._scalars),t._scalars=o);const i=o.getNumberOfComponents();let a=`${r.getMTime()}A${o.getMTime()}`;const s=t._openGLRenderWindow.getGraphicsResourceForObject(o);if(s?.vtkObj&&s?.hash===a&&t.openGLTextureString===a)t.openGLTexture=s.vtkObj,t.openGLTextureString=s.hash;else{t.openGLTexture||(t.openGLTexture=hs.newInstance(),t.openGLTexture.setOpenGLRenderWindow(t._openGLRenderWindow));const e=r.getDimensions();t.openGLTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.openGLTexture.releaseGraphicsResources(t._openGLRenderWindow),t.openGLTexture.resetFormatAndType(),t.openGLTexture.create3DFilterableFromDataArray(e[0],e[1],e[2],o),t.openGLTextureString=a,o&&t._openGLRenderWindow.setGraphicsResourceForObject(o,t.openGLTexture,t.openGLTextureString)}const l=n.getProperty(),u=l.getIndependentComponents(),c=u?i:1,d=u?2*c:1,p=l.getRGBTransferFunction();a=ws(l,p,c);const f=t._openGLRenderWindow.getGraphicsResourceForObject(p);if(f?.vtkObj&&f?.hash===a&&t.colorTextureString===a)t.colorTexture=f.vtkObj,t.colorTextureString=f.hash;else{const e=1024,n=new Uint8Array(e*d*3);if(t.colorTexture||(t.colorTexture=hs.newInstance(),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow)),p){const r=new Float32Array(3*e);for(let t=0;t0){const e=t.resliceGeom.getPointData().getNormals();e?r.normals=e:Ss("Slab mode requested without normals")}t.tris.getCABO().createVBO(n,"polys",ua.SURFACE,r)}t.VBOBuildString=g,t.VBOBuildTime.modified()},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const i=n.getProgram();if(n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())){i.isUniformUsed("texture1")&&i.setUniformi("texture1",t.openGLTexture.getTextureUnit()),i.isAttributeUsed("vertexWC")&&(n.getVAO().addAttributeArray(i,n.getCABO(),"vertexWC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ss("Error setting vertexWC in shader VAO.")),i.isAttributeUsed("normalWC")&&(n.getVAO().addAttributeArray(i,n.getCABO(),"normalWC",n.getCABO().getNormalOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ss("Error setting normalWC in shader VAO.")),i.isUniformUsed("slabThickness")&&i.setUniformf("slabThickness",t.renderable.getSlabThickness()),i.isUniformUsed("spacing")&&i.setUniform3fv("spacing",t.currentInput.getSpacing()),i.isUniformUsed("slabType")&&i.setUniformi("slabType",t.renderable.getSlabType()),i.isUniformUsed("slabType")&&i.setUniformi("slabType",t.renderable.getSlabType()),i.isUniformUsed("slabTrapezoid")&&i.setUniformi("slabTrapezoid",t.renderable.getSlabTrapezoidIntegration());const e=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null;if(i.isUniformUsed("WCTCMatrix")){const n=t.currentInput,r=n.getDimensions();c(t.tmpMat4,n.getIndexToWorld()),x(t.tmpMat4,t.tmpMat4,r),m(t.tmpMat4,t.tmpMat4),e&&y(t.tmpMat4,t.tmpMat4,e),i.setUniformMatrix("WCTCMatrix",t.tmpMat4)}i.isUniformUsed("vboScaling")&&i.setUniform3fv("vboScaling",n.getCABO().getCoordScale()),n.getAttributeUpdateTime().modified()}if(t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),n.getProgram().isUniformUsed("coffset")){const t=e.getCoincidentParameters(r,o);n.getProgram().setUniformf("coffset",t.offset),n.getProgram().isUniformUsed("cfactor")&&n.getProgram().setUniformf("cfactor",t.factor)}},e.setCameraShaderParameters=(e,n,o)=>{const i=t._openGLCamera.getKeyMatrices(n),a=t._openGLImageSlice.getKeyMatrices(),s=e.getCABO().getCoordShiftAndScaleEnabled()?e.getCABO().getInverseShiftAndScaleMatrix():null,l=e.getProgram();l.isUniformUsed("MCPCMatrix")&&(f(t.tmpMat4),l.setUniformMatrix("MCPCMatrix",Cs([i.wcpc,a.mcwc,s],r,t.tmpMat4))),l.isUniformUsed("MCVCMatrix")&&(f(t.tmpMat4),l.setUniformMatrix("MCVCMatrix",Cs([i.wcvc,a.mcwc,s],r,t.tmpMat4)))},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),i=r.getProperty(),a=i.getOpacity();o.setUniformf("opacity",a);const s=t.openGLTexture.getComponents(),l=i.getIndependentComponents();if(l)for(let e=0;e{const o=t.openGLTexture.getComponents(),i=r.getProperty().getIndependentComponents(),a=t.renderable.getSlabThickness(),s=t.renderable.getSlabType(),l=t.renderable.getSlabTrapezoidIntegration();let u=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(u=!0),!(!u&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&0!==e.getProgram()?.getHandle()&&t.lastTextureComponents===o&&t.lastIndependentComponents===i&&t.lastSlabThickness===a&&t.lastSlabType===s&&t.lastSlabTrapezoidIntegration===l||(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=i,t.lastSlabThickness=a,t.lastSlabType=s,t.lastSlabTrapezoidIntegration=l,0))},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkImageResliceMapperVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\n// all variables that represent positions or directions have a suffix\n// indicating the coordinate system they are in. The possible values are\n// MC - Model coordinates\n// WC - World coordinates\n// VC - View coordinates\n// DC - Display coordinates\n// TC - Texture coordinates\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\nvoid main()\n{\n //VTK::PositionVC::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Picking::Impl\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkImageResliceMapperFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the gpu image mapper fragment shader\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n // VC position of this fragment. This should not branch/return/discard.\n //VTK::PositionVC::Impl\n\n // Place any calls that require uniform flow (e.g. dFdx) here.\n //VTK::UniformFlow::Impl\n\n // Set gl_FragDepth here (gl_FragCoord.z by default)\n //VTK::Depth::Impl\n\n // Early depth peeling abort:\n //VTK::DepthPeeling::PreColor\n\n //VTK::TCoord::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n\n //VTK::DepthPeeling::Impl\n\n //VTK::Picking::Impl\n\n // handle coincident offsets\n //VTK::Coincident::Impl\n\n //VTK::ZBuffer::Impl\n\n //VTK::RenderPassFragmentShader::Impl\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{if(e.replaceShaderTCoord(n,r,o),e.replaceShaderPositionVC(n,r,o),t.haveSeenDepthRequest){let e=n.Fragment;e=Ca.substitute(e,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,e=Ca.substitute(e,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result,n.Fragment=e}e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderTCoord=(e,n,r)=>{let o=e.Vertex;const i=e.Geometry;let a=e.Fragment;const s=t.renderable.getSlabThickness();o=Ca.substitute(o,"//VTK::TCoord::Dec",["uniform mat4 WCTCMatrix;","out vec3 fragTexCoord;"]).result,o=Ca.substitute(o,"//VTK::TCoord::Impl",["fragTexCoord = (WCTCMatrix * vertexWC).xyz;"]).result;const l=t.openGLTexture.getComponents(),u=r.getProperty().getIndependentComponents();let c=["in vec3 fragTexCoord;","uniform highp sampler3D texture1;","uniform mat4 WCTCMatrix;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;"];if(u){for(let e=1;e0&&(c=c.concat(["uniform vec3 spacing;","uniform float slabThickness;","uniform int slabType;","uniform int slabTrapezoid;","uniform vec3 vboScaling;"]),c=c.concat(["vec4 compositeValue(vec4 currVal, vec4 valToComp, int trapezoid)","{"," vec4 retVal = vec4(1.0);"," if (slabType == 0) // min"," {"," retVal = min(currVal, valToComp);"," }"," else if (slabType == 1) // max"," {"," retVal = max(currVal, valToComp);"," }"," else if (slabType == 3) // sum"," {"," retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); "," }"," else // mean"," {"," retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); "," }"," return retVal;","}"])),a=Ca.substitute(a,"//VTK::TCoord::Dec",c).result;let d=["if (any(greaterThan(fragTexCoord, vec3(1.0))) || any(lessThan(fragTexCoord, vec3(0.0))))","{"," // set the background color and exit"," gl_FragData[0] = backgroundColor;"," return;","}","vec4 tvalue = texture(texture1, fragTexCoord);"];if(s>0&&(d=d.concat(["// Get the first and last samples","int numSlices = 1;","float scaling = min(min(spacing.x, spacing.y), spacing.z) * 0.5;","vec3 normalxspacing = scaling * normalWCVSOutput;","float distTraveled = length(normalxspacing);","int trapezoid = 0;","while (distTraveled < slabThickness * 0.5)","{"," distTraveled += length(normalxspacing);"," float fnumSlices = float(numSlices);"," if (distTraveled > slabThickness * 0.5)"," {"," // Before stepping outside the slab, sample at the boundaries"," normalxspacing = normalWCVSOutput * slabThickness * 0.5 / fnumSlices;"," trapezoid = slabTrapezoid;"," }"," vec3 fragTCoordNeg = (WCTCMatrix * vec4(vertexWCVSOutput.xyz - fnumSlices * normalxspacing * vboScaling, 1.0)).xyz;"," if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))"," {"," vec4 newVal = texture(texture1, fragTCoordNeg);"," tvalue = compositeValue(tvalue, newVal, trapezoid);"," numSlices += 1;"," }"," vec3 fragTCoordPos = (WCTCMatrix * vec4(vertexWCVSOutput.xyz + fnumSlices * normalxspacing * vboScaling, 1.0)).xyz;"," if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))"," {"," vec4 newVal = texture(texture1, fragTCoordPos);"," tvalue = compositeValue(tvalue, newVal, trapezoid);"," numSlices += 1;"," }","}","// Finally, if slab type is *mean*, divide the sum by the numSlices","if (slabType == 2)","{"," tvalue = tvalue / float(numSlices);","}"])),u){const e=["r","g","b","a"];for(let t=0;t{let i=n.Vertex;const a=n.Geometry;let s=n.Fragment;const l=t.renderable.getSlabThickness();let u=["attribute vec4 vertexWC;"];u=u.concat([`//${e.getMTime()}${t.resliceGeomUpdateString}`]),l>0&&(u=u.concat(["attribute vec3 normalWC;","varying vec3 normalWCVSOutput;","varying vec4 vertexWCVSOutput;"])),i=Ca.substitute(i,"//VTK::PositionVC::Dec",u).result;let c=["gl_Position = MCPCMatrix * vertexWC;"];l>0&&(c=c.concat(["normalWCVSOutput = normalWC;","vertexWCVSOutput = vertexWC;"])),i=Ca.substitute(i,"//VTK::PositionVC::Impl",c).result,i=Ca.substitute(i,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;","uniform mat4 MCVCMatrix;"]).result;let d=[];l>0&&(d=d.concat(["varying vec3 normalWCVSOutput;","varying vec4 vertexWCVSOutput;"])),s=Ca.substitute(s,"//VTK::PositionVC::Dec",d).result,n.Vertex=i,n.Geometry=a,n.Fragment=s},e.updateResliceGeometry=()=>{let e="";const n=t.currentInput,r=n?.getBounds();let o=!0,a=2;const s=t.renderable.getSlicePolyData(),l=t.renderable.getSlicePlane();if(s)e=e.concat(`PolyData${s.getMTime()}`);else if(l){e=e.concat(`Plane${l.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`));const t=function(e,t,n,r,o,a,s,l,u){var c=new i(9);return c[0]=e,c[1]=void 0,c[2]=void 0,c[3]=void 0,c[4]=void 0,c[5]=void 0,c[6]=void 0,c[7]=void 0,c[8]=void 0,c}(n?.getDirection());se(t,t);const r=[...l.getNormal()];Jt(r,r,t),[o,a]=function(e){Pr.normalize(e);const t=[0,0,0];for(let n=0;n<3;++n){Qt(t),t[n]=1;const r=Pr.dot(e,t);if(r<-.999||r>.999)return[!0,n]}return[!1,2]}(r)}else{const o=Ii.newInstance();o.setNormal(0,0,1);let i=[0,1,0,1,0,1];n&&(i=r),o.setOrigin(i[0],i[2],.5*(i[5]+i[4])),t.renderable.setSlicePlane(o),e=e.concat(`Plane${l?.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`))}if(!t.resliceGeom||t.resliceGeomUpdateString!==e){if(s)t.resliceGeom||(t.resliceGeom=ji.newInstance()),t.resliceGeom.getPoints().setData(s.getPoints().getData(),3),t.resliceGeom.getPolys().setData(s.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(s.getPointData().getNormals());else if(l)if(o){const e=new Float32Array(12),r=n.worldToIndex(l.getOrigin(),[0,0,0]),o=[(a+1)%3,(a+2)%3].sort(),i=n.getDimensions(),s=[0,i[0]-1,0,i[1]-1,0,i[2]-1];let u=0;for(let t=0;t<2;++t)for(let n=0;n<2;++n)e[u+a]=r[a],e[u+o[0]]=s[2*o[0]+n],e[u+o[1]]=s[2*o[1]+t],u+=3;t.transform.setMatrix(n.getIndexToWorld()),t.transform.transformPoints(e,e);const c=new Uint16Array(8);c[0]=3,c[1]=0,c[2]=1,c[3]=3,c[4]=3,c[5]=0,c[6]=3,c[7]=2;const d=l.getNormal();Pr.normalize(d);const p=new Float32Array(12);for(let e=0;e<4;++e)p[3*e]=d[0],p[3*e+1]=d[1],p[3*e+2]=d[2];t.resliceGeom||(t.resliceGeom=ji.newInstance()),t.resliceGeom.getPoints().setData(e,3),t.resliceGeom.getPolys().setData(c,1);const f=Wr.newInstance({numberOfComponents:3,values:p,name:"Normals"});t.resliceGeom.getPointData().setNormals(f)}else{t.outlineFilter.setInputData(n),t.cutter.setInputConnection(t.outlineFilter.getOutputPort()),t.cutter.setCutFunction(l),t.lineToSurfaceFilter.setInputConnection(t.cutter.getOutputPort()),t.lineToSurfaceFilter.update(),t.resliceGeom||(t.resliceGeom=ji.newInstance());const e=t.lineToSurfaceFilter.getOutputData();t.resliceGeom.getPoints().setData(e.getPoints().getData(),3),t.resliceGeom.getPolys().setData(e.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(e.getPointData().getNormals());const r=l.getNormal(),o=t.resliceGeom.getNumberOfPoints();Pr.normalize(r);const i=new Float32Array(3*o);for(let e=0;e{e&&(t.openGLTexture=e,t._externalOpenGLTexture=!0)}}const Es={VBOBuildTime:{},VBOBuildString:null,haveSeenDepthRequest:!1,lastHaveSeenDepthRequest:!1,lastIndependentComponents:!1,lastTextureComponents:0,lastSlabThickness:0,lastSlabTrapezoidIntegration:0,lastSlabType:-1,openGLTexture:null,openGLTextureString:null,colorTextureString:null,pwfTextureString:null,resliceGeom:null,resliceGeomUpdateString:null,tris:null,colorTexture:null,pwfTexture:null,_externalOpenGLTexture:!1,_scalars:null};const Ds=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Es,n),Tt.extend(e,t,n),ms(e,t,n),gs(e,t,n),t.tris=Ra.newInstance(),t.openGLTexture=null,t.colorTexture=null,t.pwfTexture=null,t.VBOBuildTime={},je(t.VBOBuildTime),t.tmpMat4=f(new Float64Array(16)),t.outlineFilter=Ya.newInstance(),t.outlineFilter.setGenerateFaces(!0),t.outlineFilter.setGenerateLines(!1),t.cubePolyData=ji.newInstance(),t.cutter=ea.newInstance(),t.lineToSurfaceFilter=$i.newInstance(),t.transform=_s.newInstance(),He(e,t,["openGLTexture"]),As(e,t)}),"vtkOpenGLImageResliceMapper");Dt("vtkImageResliceMapper",Ds);var Is={SlicingMode:{NONE:-1,I:0,J:1,K:2,X:3,Y:4,Z:5}},Os="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexMC;\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// optional normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// material property values\n//VTK::Color::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// picking support\n//VTK::Picking::Dec\n\nvoid main()\n{\n //VTK::Color::Impl\n\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Clip::Impl\n\n //VTK::PrimID::Impl\n\n //VTK::PositionVC::Impl\n\n //VTK::Light::Impl\n\n //VTK::Picking::Impl\n}\n",Ps="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the polydata mappers fragment shader\n\nuniform int PrimitiveIDOffset;\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// optional color passed in from the vertex shader, vertexColor\n//VTK::Color::Dec\n\n// optional surface normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// Depth Peeling Support\n//VTK::DepthPeeling::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// label outline \n//VTK::LabelOutline::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n//VTK::LabelOutlineHelperFunction\n\nvoid main()\n{\n // VC position of this fragment. This should not branch/return/discard.\n //VTK::PositionVC::Impl\n\n // Place any calls that require uniform flow (e.g. dFdx) here.\n //VTK::UniformFlow::Impl\n\n // Set gl_FragDepth here (gl_FragCoord.z by default)\n //VTK::Depth::Impl\n\n // Early depth peeling abort:\n //VTK::DepthPeeling::PreColor\n\n // Apple Bug\n //VTK::PrimID::Impl\n\n //VTK::Clip::Impl\n\n //VTK::Color::Impl\n\n // Generate the normal if we are not passed in one\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Light::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n\n //VTK::DepthPeeling::Impl\n\n //VTK::Picking::Impl\n\n // handle coincident offsets\n //VTK::Coincident::Impl\n\n //VTK::ZBuffer::Impl\n\n //VTK::RenderPassFragmentShader::Impl\n}\n";const{vtkErrorMacro:Ns}=vt,{SlicingMode:Ms}=Is;function Rs(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function Fs(e){const t=e.split("\n"),n=[];for(let e=0;e0&&n.push(r)}return n}function ks(e,t){t.classHierarchy.push("vtkOpenGLImageMapper"),e.buildPass=n=>{if(n){t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow);const n=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera()),t.renderable.isA("vtkImageMapper")&&t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(n.getActiveCamera())}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.getShaderTemplate=(e,t,n)=>{e.Vertex=Os,e.Fragment=Ps,e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let i=n.Vertex,a=n.Fragment;i=Ca.substitute(i,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,i=Ca.substitute(i,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result,i=Ca.substitute(i,"//VTK::TCoord::Impl","tcoordVCVSOutput = tcoordMC;").result,i=Ca.substitute(i,"//VTK::TCoord::Dec","attribute vec2 tcoordMC; varying vec2 tcoordVCVSOutput;").result;const s=t.openGLTexture.getComponents(),l=o.getProperty().getIndependentComponents();let u=["varying vec2 tcoordVCVSOutput;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D texture1;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform sampler2D labelOutlineTexture1;","uniform float opacity;","uniform float outlineOpacity;"];if(l){for(let e=1;e 0.01) {\n for (int i = -actualThickness; i <= actualThickness; i++) {\n for (int j = -actualThickness; j <= actualThickness; j++) {\n if (i == 0 || j == 0) {\n continue;\n }\n vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n gl_FragCoord.y + float(j),\n gl_FragCoord.z, gl_FragCoord.w);\n vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n float value = texture2D(texture1, neighborPosIS.xy).r;\n if (value != centerValue) {\n pixelOnBorder = true;\n break;\n }\n }\n if (pixelOnBorder == true) {\n break;\n }\n }\n if (pixelOnBorder == true) {\n gl_FragData[0] = vec4(tColor, outlineOpacity);\n }\n else {\n gl_FragData[0] = vec4(tColor, opacityToUse);\n }\n }\n #else\n float intensity = texture2D(texture1, tcoordVCVSOutput).r;\n vec3 tcolor = texture2D(colorTexture1, vec2(intensity * cscale0 + cshift0, 0.5)).rgb;\n float scalarOpacity = texture2D(pwfTexture1, vec2(intensity * pwfscale0 + pwfshift0, 0.5)).r;\n gl_FragData[0] = vec4(tcolor, scalarOpacity * opacity);\n #endif\n ")]).result;break;case 2:a=Ca.substitute(a,"//VTK::TCoord::Impl",["vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);","float intensity = tcolor.r*cscale0 + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(intensity, 0.5)).rgb, pwfscale0*tcolor.g + pwfshift0);"]).result;break;case 3:a=Ca.substitute(a,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, opacity);"]).result;break;default:a=Ca.substitute(a,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, tcolor.a);"]).result}t.haveSeenDepthRequest&&(a=Ca.substitute(a,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,a=Ca.substitute(a,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),n.Vertex=i,n.Fragment=a,e.replaceShaderClip(n,r,o),e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderClip=(e,n,r)=>{let o=e.Vertex,i=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(Ce("OpenGL has a limit of 6 clipping planes"),e=6),o=Ca.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=Ca.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,i=Ca.substitute(i,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,i=Ca.substitute(i,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=i},e.getNeedToRebuildShaders=(e,n,r)=>{const o=t.openGLTexture.getComponents(),i=r.getProperty().getIndependentComponents();let a=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(a=!0),!(!a&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&0!==e.getProgram()?.getHandle()&&t.lastTextureComponents===o&&t.lastIndependentComponents===i||(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=i,0))},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ns("Error setting vertexMC in shader VAO.")),n.getProgram().isAttributeUsed("tcoordMC")&&n.getCABO().getTCoordOffset()&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"tcoordMC",n.getCABO().getTCoordOffset(),n.getCABO().getStride(),t.context.FLOAT,n.getCABO().getTCoordComponents(),t.context.FALSE)||Ns("Error setting tcoordMC in shader VAO.")),n.getAttributeUpdateTime().modified());const i=t.openGLTexture.getTextureUnit();n.getProgram().setUniformi("texture1",i);const a=t.openGLTexture.getComponents(),s=o.getProperty().getIndependentComponents();if(s)for(let e=0;e6&&(Ce("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,i=r?c(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(h(i,i),y(i,i,r),h(i,i)),h(t.imagemat,t.currentInput.getIndexToWorld()),y(t.imagematinv,i,t.imagemat);const a=[];for(let n=0;n{const i=n.getProgram(),a=t.openGLImageSlice.getKeyMatrices(),s=t.currentInput,l=s.getIndexToWorld();y(t.imagemat,a.mcwc,l);const u=t.openGLCamera.getKeyMatrices(r);if(y(t.imagemat,u.wcpc,t.imagemat),n.getCABO().getCoordShiftAndScaleEnabled()){const e=n.getCABO().getInverseShiftAndScaleMatrix();y(t.imagemat,t.imagemat,e)}if(i.setUniformMatrix("MCPCMatrix",t.imagemat),!0===o.getProperty().getUseLabelOutline()){const n=s.getWorldToIndex(),o=s.getDimensions();i.setUniform3i("imageDimensions",o[0],o[1],1),i.setUniformMatrix("vWCtoIDX",n);const a=t.openGLCamera.getKeyMatrices(r);m(t.projectionToWorld,a.wcpc),t.openGLCamera.getKeyMatrices(r),i.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const l=e.getRenderTargetSize();i.setUniformf("vpWidth",l[0]),i.setUniformf("vpHeight",l[1]);const u=e.getRenderTargetOffset();i.setUniformf("vpOffsetX",u[0]/l[0]),i.setUniformf("vpOffsetY",u[1]/l[1])}},e.setPropertyShaderParameters=(e,t,n)=>{const r=e.getProgram(),o=n.getProperty().getOpacity();r.setUniformf("opacity",o)},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),t.labelOutlineThicknessTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),t.labelOutlineThicknessTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getCurrentImage(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):Ns("No input!")},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():yr(t.bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const o=t.currentInput;if(!o)return;const i=o.getPointData()&&o.getPointData().getScalars();if(!i)return;const a=i.getDataType(),s=i.getNumberOfComponents(),l=r.getProperty(),u=l.getInterpolationType(),c=l.getIndependentComponents(),d=c?s:1,p=c?2*d:1,f=l.getRGBTransferFunction(),h=Rs(l,f,d),m=t._openGLRenderWindow.getGraphicsResourceForObject(f);if(m?.vtkObj&&m?.hash===h&&t.colorTextureString===h)t.colorTexture=m.vtkObj,t.colorTextureString=m.hash;else{const e=1024,n=new Uint8Array(e*p*3);if(t.colorTexture||(t.colorTexture=hs.newInstance({resizable:!0}),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow)),u===Ts?(t.colorTexture.setMinificationFilter(Qa.NEAREST),t.colorTexture.setMagnificationFilter(Qa.NEAREST)):(t.colorTexture.setMinificationFilter(Qa.LINEAR),t.colorTexture.setMagnificationFilter(Qa.LINEAR)),f){const r=new Float32Array(3*e);for(let t=0;t1?1:0;const d=[Ms.X,Ms.Y,Ms.Z].includes(t.renderable.getSlicingMode())?x:_,p=o.getSpatialExtent(),f=i.getData();let h=null;if(b===Ms.I){h=new f.constructor(e[2]*e[1]*s);let t=0;for(let n=0;n{t.labelOutlineThicknessTexture||(t.labelOutlineThicknessTexture=hs.newInstance({resizable:!1}),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow));const n=e.getProperty().getLabelOutlineThickness(),r=t._openGLRenderWindow.getGraphicsResourceForObject(n),o=`${n.join("-")}`;if(r?.vtkObj&&r?.hash===o&&t.labelOutlineThicknessTextureString===o)t.labelOutlineThicknessTexture=r.vtkObj,t.labelOutlineThicknessTextureString=r.hash;else{const e=1024,r=1,i=new Uint8Array(e*r);for(let t=0;t{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]}}const Ls={VBOBuildTime:0,VBOBuildString:null,openGLTexture:null,tris:null,imagemat:null,imagematinv:null,colorTexture:null,pwfTexture:null,labelOutlineThicknessTexture:null,labelOutlineThicknessTextureString:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,_scalars:null};const Bs=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ls,n),Tt.extend(e,t,n),ms(e,t,n),gs(e,t,n),t.tris=Ra.newInstance(),t.imagemat=f(new Float64Array(16)),t.imagematinv=f(new Float64Array(16)),t.projectionToWorld=f(new Float64Array(16)),t.idxToView=f(new Float64Array(16)),t.idxNormalMatrix=ae(new Float64Array(9)),t.modelToView=f(new Float64Array(16)),t.projectionToView=f(new Float64Array(16)),$e(e,t,[]),t.VBOBuildTime={},je(t.VBOBuildTime),ks(e,t)}),"vtkOpenGLImageMapper");Dt("vtkAbstractImageMapper",Bs);const{vtkErrorMacro:Vs}=gt;function Us(e,t,n){if(t.apply(e)){const t=e.getIndependentComponents();return`${e.getMTime()}-${t}-${n}`}return"0"}function Gs(e,t){t.classHierarchy.push("vtkOpenGLImageCPRMapper"),e.buildPass=n=>{n&&(t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.openGLCamera=t._openGLRenderer.getViewNodeFor(t._openGLRenderer.getRenderable().getActiveCamera()),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.volumeTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.pwfTexture.setOpenGLRenderWindow(t._openGLRenderWindow))},e.opaquePass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.opaqueZBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),e.invokeEvent({type:"EndEvent"}),t.renderable.preRenderCheck()&&(t.currentImageDataInput=t.renderable.getInputData(0),t.currentCenterlineInput=t.renderable.getOrientedCenterline(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r))},e.renderPieceStart=(t,n)=>{e.updateBufferObjects(t,n)},e.renderPieceDraw=(n,r)=>{const o=t.context;t.volumeTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.volumeTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>{const o=t.VBOBuildTime.getMTime();return o{const r=t.currentImageDataInput,o=t.currentCenterlineInput;n.getProperty().getInterpolationType()===Ts?(t.volumeTexture.setMinificationFilter(Qa.NEAREST),t.volumeTexture.setMagnificationFilter(Qa.NEAREST),t.colorTexture.setMinificationFilter(Qa.NEAREST),t.colorTexture.setMagnificationFilter(Qa.NEAREST),t.pwfTexture.setMinificationFilter(Qa.NEAREST),t.pwfTexture.setMagnificationFilter(Qa.NEAREST)):(t.volumeTexture.setMinificationFilter(Qa.LINEAR),t.volumeTexture.setMagnificationFilter(Qa.LINEAR),t.colorTexture.setMinificationFilter(Qa.LINEAR),t.colorTexture.setMagnificationFilter(Qa.LINEAR),t.pwfTexture.setMinificationFilter(Qa.LINEAR),t.pwfTexture.setMagnificationFilter(Qa.LINEAR));const i=r.getMTime();if(t.volumeTextureTime!==i){const e=r.getDimensions(),n=r.getPointData().getScalars();if(!n)return;t.volumeTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.volumeTexture.releaseGraphicsResources(t._openGLRenderWindow),t.volumeTexture.resetFormatAndType(),t.volumeTexture.create3DFilterableFromRaw(e[0],e[1],e[2],n.getNumberOfComponents(),n.getDataType(),n.getData(),t.renderable.getPreferSizeOverAccuracy()),t.volumeTextureTime=i}const a=r.getPointData()&&r.getPointData().getScalars();if(!a)return;const s=a.getNumberOfComponents(),l=n.getProperty(),u=l.getIndependentComponents(),c=u?s:1,d=u?2*c:1,p=Us(l,l.getRGBTransferFunction,c);if(t.colorTextureString!==p){const e=1024,n=new Uint8Array(e*d*3);let r=l.getRGBTransferFunction();if(r){const o=new Float32Array(3*e);for(let t=0;t{const o=t.volumeTexture.getComponents(),i=r.getProperty().getIndependentComponents(),a=!!t.renderable.getCenterPoint(),s=t.renderable.getUseUniformOrientation();return(0===e.getProgram()||t.lastUseCenterPoint!==a||t.lastUseUniformOrientation!==s||t.lastHaveSeenDepthRequest!==t.haveSeenDepthRequest||t.lastTextureComponents!==o||t.lastIndependentComponents!==i)&&(t.lastUseCenterPoint=a,t.lastUseUniformOrientation=s,t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=i,!0)},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.replaceShaderValues=(n,r,o)=>{let i=n.Vertex,a=n.Fragment;i=Ca.substitute(i,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,i=Ca.substitute(i,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result;const s=["attribute vec3 centerlinePosition;","attribute float quadIndex;","uniform float width;","out vec2 quadOffsetVSOutput;","out vec3 centerlinePosVSOutput;"],l=t.renderable.getUseUniformOrientation();l?s.push("out vec3 centerlineDirVSOutput;","uniform vec3 centerlineDirection;"):s.push("out vec3 centerlineTopDirVSOutput;","out vec3 centerlineBotDirVSOutput;","out float centerlineAngleVSOutput;","attribute vec3 centerlineTopDirection;","attribute vec3 centerlineBotDirection;"),i=Ca.substitute(i,"//VTK::Color::Dec",s).result;const u=["quadOffsetVSOutput = vec2(width * (mod(quadIndex, 2.0) == 0.0 ? -0.5 : 0.5), quadIndex > 1.0 ? 0.0 : 1.0);","centerlinePosVSOutput = centerlinePosition;"];l?u.push("centerlineDirVSOutput = centerlineDirection;"):u.push("vec3 sumVec = centerlineTopDirection + centerlineBotDirection;","float sumLen2 = dot(sumVec, sumVec);","float diffLen2 = 4.0 - sumLen2;","if (diffLen2 < 0.001) {"," // vectors are too close to each other, use lerp"," centerlineAngleVSOutput = -1.0; // use negative angle as a flag for lerp"," centerlineTopDirVSOutput = centerlineTopDirection;"," centerlineBotDirVSOutput = centerlineBotDirection;","} else if (sumLen2 == 0.0) {"," // vector are opposite to each other, don't make a choice for the user"," // use slerp without direction, it will display the centerline color on each row of pixel"," centerlineAngleVSOutput = 0.0;"," centerlineTopDirVSOutput = vec3(0.0);"," centerlineBotDirVSOutput = vec3(0.0);","} else {"," // use slerp"," centerlineAngleVSOutput = 2.0 * atan(sqrt(diffLen2/sumLen2));"," float sinAngle = sin(centerlineAngleVSOutput);"," centerlineTopDirVSOutput = centerlineTopDirection / sinAngle;"," centerlineBotDirVSOutput = centerlineBotDirection / sinAngle;","}"),i=Ca.substitute(i,"//VTK::Color::Impl",u).result;const c=t.volumeTexture.getComponents(),d=o.getProperty().getIndependentComponents();let p=["uniform mat4 MCTCMatrix; // Model coordinates to texture coordinates","in vec2 quadOffsetVSOutput;","in vec3 centerlinePosVSOutput;","uniform highp sampler3D volumeTexture;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;"];l?p.push("in vec3 centerlineDirVSOutput;"):p.push("in vec3 centerlineTopDirVSOutput;","in vec3 centerlineBotDirVSOutput;","in float centerlineAngleVSOutput;");const f=t.renderable.getCenterPoint();if(f&&p.push("uniform vec3 globalCenterPoint;"),d){for(let e=1;e{let o=e.Vertex,i=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(gt.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6),o=Ca.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=Ca.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,i=Ca.substitute(i,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,i=Ca.substitute(i,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=i},e.getShaderTemplate=(e,t,n)=>{e.Vertex=Os,e.Fragment=Ps,e.Geometry=""},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Vs("Error setting vertexMC in shader VAO.")),n.getCABO().getCustomData().forEach((e=>{e&&n.getProgram().isAttributeUsed(e.name)&&!n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),e.name,e.offset,n.getCABO().getStride(),t.context.FLOAT,e.components,t.context.FALSE)&&Vs(`Error setting ${e.name} in shader VAO.`)})),n.getAttributeUpdateTime().modified());const i=t.volumeTexture.getTextureUnit();if(n.getProgram().setUniformi("volumeTexture",i),n.getProgram().setUniformf("width",t.renderable.getWidth()),n.getProgram().setUniform4f("backgroundColor",...t.renderable.getBackgroundColor()),n.getProgram().isUniformUsed("centerlineDirection")){const e=t.renderable.getUniformDirection();n.getProgram().setUniform3fArray("centerlineDirection",e)}if(n.getProgram().isUniformUsed("globalCenterPoint")){const e=t.renderable.getCenterPoint();n.getProgram().setUniform3fArray("globalCenterPoint",e)}const a=t.currentImageDataInput,s=a.getWorldToIndex(),l=A(new Float32Array(16),Xt([],a.getDimensions())),u=re(l,l,s);if(n.getProgram().setUniformMatrix("MCTCMatrix",u),t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(gt.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,i=r?c(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(h(i,i),y(i,i,r),h(i,i)),h(t.imagemat,t.currentImageDataInput.getIndexToWorld()),y(t.imagematinv,i,t.imagemat);const a=[];for(let n=0;n{const o=t.openGLImageSlice.getKeyMatrices().mcwc,i=t.openGLCamera.getKeyMatrices(n).wcpc;if(y(t.imagemat,i,o),e.getCABO().getCoordShiftAndScaleEnabled()){const n=e.getCABO().getInverseShiftAndScaleMatrix();y(t.imagemat,t.imagemat,n)}e.getProgram().setUniformMatrix("MCPCMatrix",t.imagemat)},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),i=r.getProperty(),a=i.getOpacity();o.setUniformf("opacity",a);const s=t.volumeTexture.getComponents(),l=i.getIndependentComponents();if(l)for(let e=0;e{if(e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)}}const zs={currentRenderPass:null,volumeTexture:null,volumeTextureTime:0,colorTexture:null,colorTextureString:null,pwfTexture:null,pwfTextureString:null,tris:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,lastIndependentComponents:0,imagemat:null,imagematinv:null};const js=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,zs,n),Tt.extend(e,t,n),ms(e,t,n),gt.algo(e,t,2,0),t.tris=Ra.newInstance(),t.volumeTexture=hs.newInstance(),t.colorTexture=hs.newInstance(),t.pwfTexture=hs.newInstance(),t.imagemat=f(new Float64Array(16)),t.imagematinv=f(new Float64Array(16)),t.VBOBuildTime={},gt.obj(t.VBOBuildTime,{mtime:0}),Gs(e,t)}),"vtkOpenGLImageCPRMapper");function Ws(e,t){t.classHierarchy.push("vtkOpenGLImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes()}},e.traverseZBufferPass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseOpaqueZBufferPass=t=>e.traverseOpaquePass(t),e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t._openGLRenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.zBufferPass=(t,n)=>e.opaquePass(t,n),e.opaqueZBufferPass=(t,n)=>e.opaquePass(t,n),e.opaquePass=(e,n)=>{e&&t.context.depthMask(!0)},e.translucentPass=(e,n)=>{t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(c(t.keyMatrices.mcwc,t.renderable.getMatrix()),h(t.keyMatrices.mcwc,t.keyMatrices.mcwc),t.keyMatrixTime.modified()),t.keyMatrices)}Dt("vtkImageCPRMapper",js);const Hs={context:null,keyMatrixTime:null,keyMatrices:null};const Xs=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Hs,n),Tt.extend(e,t,n),t.keyMatrixTime={},je(t.keyMatrixTime,{mtime:0}),t.keyMatrices={mcwc:f(new Float64Array(16))},$e(e,t,["context"]),Ws(e,t)}),"vtkOpenGLImageSlice");function Ks(e,t){t.classHierarchy.push("vtkOpenGLVolume"),e.buildPass=n=>{t.renderable&&t.renderable.getVisibility()&&n&&(t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes())},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;n.incrementVolumeCount()}},e.traverseVolumePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children[0].traverse(n),e.apply(n,!1))},e.volumePass=e=>{t.renderable&&t.renderable.getVisibility()&&t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(t.renderable.computeMatrix(),c(t.MCWCMatrix,t.renderable.getMatrix()),h(t.MCWCMatrix,t.MCWCMatrix),t.renderable.getIsIdentity()?ae(t.normalMatrix):(ie(t.normalMatrix,t.MCWCMatrix),se(t.normalMatrix,t.normalMatrix),function(e,t){if(e===t){var n=t[1],r=t[2],o=t[5];e[1]=t[3],e[2]=t[6],e[3]=n,e[5]=t[7],e[6]=r,e[7]=o}else e[0]=t[0],e[1]=t[3],e[2]=t[6],e[3]=t[1],e[4]=t[4],e[5]=t[7],e[6]=t[2],e[7]=t[5],e[8]=t[8]}(t.normalMatrix,t.normalMatrix)),t.keyMatrixTime.modified()),{mcwc:t.MCWCMatrix,normalMatrix:t.normalMatrix})}Dt("vtkImageSlice",Xs);const qs={};const $s=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,qs,n),Tt.extend(e,t,n),t.keyMatrixTime={},je(t.keyMatrixTime,{mtime:0}),t.normalMatrix=new Float64Array(9),t.MCWCMatrix=new Float64Array(16),$e(e,t,["context"]),Ks(e,t)}),"vtkOpenGLVolume");function Ys(e,t){t.classHierarchy.push("vtkFramebuffer"),e.getBothMode=()=>t.context.FRAMEBUFFER,e.saveCurrentBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.saveCurrentBindings(n),e.saveCurrentBuffers(n)},e.saveCurrentBindings=e=>{if(!t.context)return void Ce("you must set the OpenGLRenderWindow before calling saveCurrentBindings");const n=t.context;t.previousDrawBinding=n.getParameter(t.context.FRAMEBUFFER_BINDING),t.previousActiveFramebuffer=t._openGLRenderWindow.getActiveFramebuffer()},e.saveCurrentBuffers=e=>{},e.restorePreviousBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.restorePreviousBindings(n),e.restorePreviousBuffers(n)},e.restorePreviousBindings=e=>{if(!t.context)return void Ce("you must set the OpenGLRenderWindow before calling restorePreviousBindings");const n=t.context;n.bindFramebuffer(n.FRAMEBUFFER,t.previousDrawBinding),t._openGLRenderWindow.setActiveFramebuffer(t.previousActiveFramebuffer)},e.restorePreviousBuffers=e=>{},e.bind=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,r=n;null===r&&(r=t.context.FRAMEBUFFER),t.context.bindFramebuffer(r,t.glFramebuffer);for(let e=0;e{t.context?(t.glFramebuffer=t.context.createFramebuffer(),t.glFramebuffer.width=e,t.glFramebuffer.height=n):Ce("you must set the OpenGLRenderWindow before calling create")},e.setColorBuffer=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const r=t.context;if(!r)return void Ce("you must set the OpenGLRenderWindow before calling setColorBuffer");let o=r.COLOR_ATTACHMENT0;if(n>0){if(!t._openGLRenderWindow.getWebgl2())return void Ce("Using multiple framebuffer attachments requires WebGL 2");o+=n}t.colorBuffers[n]=e,r.framebufferTexture2D(r.FRAMEBUFFER,o,r.TEXTURE_2D,e.getHandle(),0)},e.removeColorBuffer=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;const n=t.context;if(!n)return void Ce("you must set the OpenGLRenderWindow before calling removeColorBuffer");let r=n.COLOR_ATTACHMENT0;if(e>0){if(!t._openGLRenderWindow.getWebgl2())return void Ce("Using multiple framebuffer attachments requires WebGL 2");r+=e}n.framebufferTexture2D(n.FRAMEBUFFER,r,n.TEXTURE_2D,null,0),t.colorBuffers=t.colorBuffers.splice(e,1)},e.setDepthBuffer=e=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const n=t.context;n.framebufferTexture2D(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.TEXTURE_2D,e.getHandle(),0)}else Ce("Attaching depth buffer textures to fbo requires WebGL 2");else Ce("you must set the OpenGLRenderWindow before calling setDepthBuffer")},e.removeDepthBuffer=()=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const e=t.context;e.framebufferTexture2D(e.FRAMEBUFFER,e.DEPTH_ATTACHMENT,e.TEXTURE_2D,null,0)}else Ce("Attaching depth buffer textures to framebuffers requires WebGL 2");else Ce("you must set the OpenGLRenderWindow before calling removeDepthBuffer")},e.getGLFramebuffer=()=>t.glFramebuffer,e.setOpenGLRenderWindow=n=>{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.releaseGraphicsResources=()=>{t.glFramebuffer&&t.context.deleteFramebuffer(t.glFramebuffer)},e.getSize=()=>{const e=[0,0];return null!==t.glFramebuffer&&(e[0]=t.glFramebuffer.width,e[1]=t.glFramebuffer.height),e},e.populateFramebuffer=()=>{if(!t.context)return void Ce("you must set the OpenGLRenderWindow before calling populateFrameBuffer");e.bind();const n=t.context,r=hs.newInstance();r.setOpenGLRenderWindow(t._openGLRenderWindow),r.setMinificationFilter(Qa.LINEAR),r.setMagnificationFilter(Qa.LINEAR),r.create2DFromRaw(t.glFramebuffer.width,t.glFramebuffer.height,4,on.UNSIGNED_CHAR,null),e.setColorBuffer(r),t.depthTexture=n.createRenderbuffer(),n.bindRenderbuffer(n.RENDERBUFFER,t.depthTexture),n.renderbufferStorage(n.RENDERBUFFER,n.DEPTH_COMPONENT16,t.glFramebuffer.width,t.glFramebuffer.height),n.framebufferRenderbuffer(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.RENDERBUFFER,t.depthTexture)},e.getColorTexture=()=>t.colorBuffers[0]}Dt("vtkVolume",$s);const Js={glFramebuffer:null,colorBuffers:null,depthTexture:null,previousDrawBinding:0,previousReadBinding:0,previousDrawBuffer:0,previousReadBuffer:0,previousActiveFramebuffer:null};function Qs(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Js,n),je(e,t),t.colorBuffers&&Ce("you cannot initialize colorBuffers through the constructor. You should call setColorBuffer() instead."),t.colorBuffers=[],Ye(e,t,["colorBuffers"]),Ys(e,t)}var Zs={newInstance:rt(Qs,"vtkFramebuffer"),extend:Qs};const el={NEAREST:0,LINEAR:1,FAST_LINEAR:2},tl={FRACTIONAL:0,PROPORTIONAL:1};var nl={InterpolationType:el,OpacityMode:tl};const rl={COMPOSITE_BLEND:0,MAXIMUM_INTENSITY_BLEND:1,MINIMUM_INTENSITY_BLEND:2,AVERAGE_INTENSITY_BLEND:3,ADDITIVE_INTENSITY_BLEND:4,RADON_TRANSFORM_BLEND:5};var ol={BlendMode:rl,FilterMode:{OFF:0,NORMALIZED:1,RAW:2}};const{vtkWarningMacro:il,vtkErrorMacro:al}=vt;function sl(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function ll(e,t){t.classHierarchy.push("vtkOpenGLVolumeMapper"),e.buildPass=()=>{t.zBufferTexture=null},e.zBufferPass=(e,n)=>{if(e){const e=n.getZBufferTexture();e!==t.zBufferTexture&&(t.zBufferTexture=e)}},e.opaqueZBufferPass=(t,n)=>e.zBufferPass(t,n),e.volumePass=(n,r)=>{if(n){t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.jitterTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.scalarTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.opacityTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.openGLVolume=e.getFirstAncestorOfType("vtkOpenGLVolume");const n=t.openGLVolume.getRenderable();t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const r=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(r.getActiveCamera()),e.renderPiece(r,n)}},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexDC;\n\nvarying vec3 vertexVCVSOutput;\nuniform mat4 PCVCMatrix;\n\nuniform float dcxmin;\nuniform float dcxmax;\nuniform float dcymin;\nuniform float dcymax;\n\nvoid main()\n{\n // dcsmall is the device coords reduced to the\n // x y area covered by the volume\n vec4 dcsmall = vec4(\n dcxmin + 0.5 * (vertexDC.x + 1.0) * (dcxmax - dcxmin),\n dcymin + 0.5 * (vertexDC.y + 1.0) * (dcymax - dcymin),\n vertexDC.z,\n vertexDC.w);\n vec4 vcpos = PCVCMatrix * dcsmall;\n vertexVCVSOutput = vcpos.xyz/vcpos.w;\n gl_Position = dcsmall;\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkVolumeFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the volume mappers fragment shader\n\n// the output of this shader\n//VTK::Output::Dec\n\nvarying vec3 vertexVCVSOutput;\n\n// first declare the settings from the mapper\n// that impact the code paths in here\n\n// always set vtkNumComponents 1,2,3,4\n//VTK::NumComponents\n\n// possibly define vtkTrilinearOn\n//VTK::TrilinearOn\n\n// possibly define vtkIndependentComponents\n//VTK::IndependentComponentsOn\n\n// possibly define any \"proportional\" components\n//VTK::vtkProportionalComponents\n\n// Define the blend mode to use\n#define vtkBlendMode //VTK::BlendMode\n\n// Possibly define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n#ifdef vtkImageLabelOutlineOn\n\nuniform float outlineOpacity;\nuniform float vpWidth;\nuniform float vpHeight;\nuniform float vpOffsetX;\nuniform float vpOffsetY;\nuniform mat4 PCWCMatrix;\nuniform mat4 vWCtoIDX;\n#endif\n\n// define vtkLightComplexity\n//VTK::LightComplexity\n#if vtkLightComplexity > 0\nuniform float vSpecularPower;\nuniform float vAmbient;\nuniform float vDiffuse;\nuniform float vSpecular;\n//VTK::Light::Dec\n#endif\n\n//VTK::VolumeShadowOn\n//VTK::SurfaceShadowOn\n//VTK::localAmbientOcclusionOn\n//VTK::LAO::Dec\n//VTK::VolumeShadow::Dec\n\n// define vtkComputeNormalFromOpacity\n//VTK::vtkComputeNormalFromOpacity\n\n// possibly define vtkGradientOpacityOn\n//VTK::GradientOpacityOn\n#ifdef vtkGradientOpacityOn\nuniform float goscale0;\nuniform float goshift0;\nuniform float gomin0;\nuniform float gomax0;\n#if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\nuniform float goscale1;\nuniform float goshift1;\nuniform float gomin1;\nuniform float gomax1;\n#if vtkNumComponents >= 3\nuniform float goscale2;\nuniform float goshift2;\nuniform float gomin2;\nuniform float gomax2;\n#endif\n#if vtkNumComponents >= 4\nuniform float goscale3;\nuniform float goshift3;\nuniform float gomin3;\nuniform float gomax3;\n#endif\n#endif\n#endif\n\n// if you want to see the raw tiled\n// data in webgl1 uncomment the following line\n// #define debugtile\n\n// camera values\nuniform float camThick;\nuniform float camNear;\nuniform float camFar;\nuniform int cameraParallel;\n\n// values describing the volume geometry\nuniform vec3 vOriginVC;\nuniform vec3 vSpacing;\nuniform ivec3 volumeDimensions; // 3d texture dimensions\nuniform vec3 vPlaneNormal0;\nuniform float vPlaneDistance0;\nuniform vec3 vPlaneNormal1;\nuniform float vPlaneDistance1;\nuniform vec3 vPlaneNormal2;\nuniform float vPlaneDistance2;\nuniform vec3 vPlaneNormal3;\nuniform float vPlaneDistance3;\nuniform vec3 vPlaneNormal4;\nuniform float vPlaneDistance4;\nuniform vec3 vPlaneNormal5;\nuniform float vPlaneDistance5;\n\n//VTK::ClipPlane::Dec\n\n// opacity and color textures\nuniform sampler2D otexture;\nuniform float oshift0;\nuniform float oscale0;\nuniform sampler2D ctexture;\nuniform float cshift0;\nuniform float cscale0;\n\n// jitter texture\nuniform sampler2D jtexture;\nuniform sampler2D ttexture;\n\n\n// some 3D texture values\nuniform float sampleDistance;\nuniform vec3 vVCToIJK;\n\n// the heights defined below are the locations\n// for the up to four components of the tfuns\n// the tfuns have a height of 2XnumComps pixels so the\n// values are computed to hit the middle of the two rows\n// for that component\n#ifdef vtkIndependentComponentsOn\n#if vtkNumComponents == 2\nuniform float mix0;\nuniform float mix1;\n#define height0 0.25\n#define height1 0.75\n#endif\n#if vtkNumComponents == 3\nuniform float mix0;\nuniform float mix1;\nuniform float mix2;\n#define height0 0.17\n#define height1 0.5\n#define height2 0.83\n#endif\n#if vtkNumComponents == 4\nuniform float mix0;\nuniform float mix1;\nuniform float mix2;\nuniform float mix3;\n#define height0 0.125\n#define height1 0.375\n#define height2 0.625\n#define height3 0.875\n#endif\n#endif\n\n#if vtkNumComponents >= 2\nuniform float oshift1;\nuniform float oscale1;\nuniform float cshift1;\nuniform float cscale1;\n#endif\n#if vtkNumComponents >= 3\nuniform float oshift2;\nuniform float oscale2;\nuniform float cshift2;\nuniform float cscale2;\n#endif\n#if vtkNumComponents >= 4\nuniform float oshift3;\nuniform float oscale3;\nuniform float cshift3;\nuniform float cscale3;\n#endif\n\nuniform vec4 ipScalarRangeMin;\nuniform vec4 ipScalarRangeMax;\n\n// declaration for intermixed geometry\n//VTK::ZBuffer::Dec\n\n//=======================================================================\n// global and custom variables (a temporary section before photorealistics rendering module is complete)\nvec3 rayDirVC;\nfloat sampleDistanceISVS;\nfloat sampleDistanceIS;\n\n#define SQRT3 1.7321\n#define INV4PI 0.0796\n#define EPSILON 0.001\n#define PI 3.1415\n#define PI2 9.8696\n\n//=======================================================================\n// Webgl2 specific version of functions\n#if __VERSION__ == 300\n\nuniform highp sampler3D texture1;\n\nvec4 getTextureValue(vec3 pos)\n{\n vec4 tmp = texture(texture1, pos);\n#if vtkNumComponents == 1\n tmp.a = tmp.r;\n#endif\n#if vtkNumComponents == 2\n tmp.a = tmp.g;\n#endif\n#if vtkNumComponents == 3\n tmp.a = length(tmp.rgb);\n#endif\n return tmp;\n}\n\n//=======================================================================\n// WebGL1 specific version of functions\n#else\n\nuniform sampler2D texture1;\n\nuniform float texWidth;\nuniform float texHeight;\nuniform int xreps;\nuniform int xstride;\nuniform int ystride;\n\n// if computing trilinear values from multiple z slices\n#ifdef vtkTrilinearOn\nvec4 getTextureValue(vec3 ijk)\n{\n float zoff = 1.0/float(volumeDimensions.z);\n vec4 val1 = getOneTextureValue(ijk);\n vec4 val2 = getOneTextureValue(vec3(ijk.xy, ijk.z + zoff));\n\n float indexZ = float(volumeDimensions)*ijk.z;\n float zmix = indexZ - floor(indexZ);\n\n return mix(val1, val2, zmix);\n}\n\nvec4 getOneTextureValue(vec3 ijk)\n#else // nearest or fast linear\nvec4 getTextureValue(vec3 ijk)\n#endif\n{\n vec3 tdims = vec3(volumeDimensions);\n\n#ifdef debugtile\n vec2 tpos = vec2(ijk.x, ijk.y);\n vec4 tmp = texture2D(texture1, tpos);\n tmp.a = 1.0;\n\n#else\n int z = int(ijk.z * tdims.z);\n int yz = z / xreps;\n int xz = z - yz*xreps;\n\n int tileWidth = volumeDimensions.x/xstride;\n int tileHeight = volumeDimensions.y/ystride;\n\n xz *= tileWidth;\n yz *= tileHeight;\n\n float ni = float(xz) + (ijk.x*float(tileWidth));\n float nj = float(yz) + (ijk.y*float(tileHeight));\n\n vec2 tpos = vec2(ni/texWidth, nj/texHeight);\n\n vec4 tmp = texture2D(texture1, tpos);\n\n#if vtkNumComponents == 1\n tmp.a = tmp.r;\n#endif\n#if vtkNumComponents == 2\n tmp.g = tmp.a;\n#endif\n#if vtkNumComponents == 3\n tmp.a = length(tmp.rgb);\n#endif\n#endif\n\n return tmp;\n}\n\n// End of Webgl1 specific code\n//=======================================================================\n#endif\n\n//=======================================================================\n// transformation between VC and IS space\n\n// convert vector position from idx to vc\n#if (vtkLightComplexity > 0) || (defined vtkClippingPlanesOn)\nvec3 IStoVC(vec3 posIS){\n vec3 posVC = posIS / vVCToIJK;\n return posVC.x * vPlaneNormal0 +\n posVC.y * vPlaneNormal2 +\n posVC.z * vPlaneNormal4 +\n vOriginVC;\n}\n\n// convert vector position from vc to idx\nvec3 VCtoIS(vec3 posVC){\n posVC = posVC - vOriginVC;\n posVC = vec3(\n dot(posVC, vPlaneNormal0),\n dot(posVC, vPlaneNormal2),\n dot(posVC, vPlaneNormal4));\n return posVC * vVCToIJK;\n}\n#endif\n\n//Rotate vector to view coordinate\n#if (vtkLightComplexity > 0) || (defined vtkGradientOpacityOn)\nvoid rotateToViewCoord(inout vec3 dirIS){\n dirIS.xyz =\n dirIS.x * vPlaneNormal0 +\n dirIS.y * vPlaneNormal2 +\n dirIS.z * vPlaneNormal4;\n}\n\n//Rotate vector to idx coordinate\nvec3 rotateToIDX(vec3 dirVC){\n vec3 dirIS;\n dirIS.xyz = vec3(\n dot(dirVC, vPlaneNormal0),\n dot(dirVC, vPlaneNormal2),\n dot(dirVC, vPlaneNormal4));\n return dirIS;\n}\n#endif\n\n//=======================================================================\n// Given a normal compute the gradient opacity factors\nfloat computeGradientOpacityFactor(\n float normalMag, float goscale, float goshift, float gomin, float gomax)\n{\n#if defined(vtkGradientOpacityOn)\n return clamp(normalMag * goscale + goshift, gomin, gomax);\n#else\n return 1.0;\n#endif\n}\n\n//=======================================================================\n// compute the normal and gradient magnitude for a position, uses forward difference\n#if (vtkLightComplexity > 0) || (defined vtkGradientOpacityOn)\n#ifdef vtkClippingPlanesOn\n void adjustClippedVoxelValues(vec3 pos, vec3 texPos[3], inout vec3 g1)\n {\n vec3 g1VC[3];\n for (int i = 0; i < 3; ++i)\n {\n g1VC[i] = IStoVC(texPos[i]);\n }\n vec3 posVC = IStoVC(pos);\n for (int i = 0; i < clip_numPlanes; ++i)\n {\n for (int j = 0; j < 3; ++j)\n {\n if(dot(vec3(vClipPlaneOrigins[i] - g1VC[j].xyz), vClipPlaneNormals[i]) > 0.0)\n {\n g1[j] = 0.0;\n }\n }\n }\n }\n#endif\n\n #ifdef vtkComputeNormalFromOpacity\n #ifdef vtkGradientOpacityOn\n vec4 computeDensityNormal(float gradientMag, vec3 scalarInterp[2])\n {\n #else\n //if gradient opacity not on but using density gradient\n vec4 computeDensityNormal(vec3 scalarInterp[2])\n {\n #endif\n vec3 opacityG1, opacityG2;\n opacityG1.x = texture2D(otexture, vec2(scalarInterp[0].x * oscale0 + oshift0, 0.5)).r;\n opacityG1.y = texture2D(otexture, vec2(scalarInterp[0].y * oscale0 + oshift0, 0.5)).r;\n opacityG1.z = texture2D(otexture, vec2(scalarInterp[0].z * oscale0 + oshift0, 0.5)).r;\n opacityG2.x = texture2D(otexture, vec2(scalarInterp[1].x * oscale0 + oshift0, 0.5)).r;\n opacityG2.y = texture2D(otexture, vec2(scalarInterp[1].y * oscale0 + oshift0, 0.5)).r;\n opacityG2.z = texture2D(otexture, vec2(scalarInterp[1].z * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n float gradOpacityFactor = 1.0f;\n if (gradientMag >= 0.0){\n gradOpacityFactor = computeGradientOpacityFactor(gradientMag, goscale0, goshift0, gomin0, gomax0);\n }\n opacityG1.xyz *= gradOpacityFactor;\n opacityG2.xyz *= gradOpacityFactor;\n #endif\n\n vec4 opacityG = vec4(opacityG1 - opacityG2, 1.0f);\n // divide by spacing\n opacityG.xyz /= vSpacing;\n opacityG.w = length(opacityG.xyz);\n // rotate to View Coords\n rotateToViewCoord(opacityG.xyz);\n if (length(opacityG.xyz) > 0.0) {\n return vec4(normalize(opacityG.xyz),opacityG.w);\n } else {\n return vec4(0.0);\n }\n }\n\n vec4 computeNormalForDensity(vec3 pos, vec3 tstep, out vec3 scalarInterp[2])\n {\n vec3 xvec = vec3(tstep.x, 0.0, 0.0);\n vec3 yvec = vec3(0.0, tstep.y, 0.0);\n vec3 zvec = vec3(0.0, 0.0, tstep.z);\n vec3 texPosPVec[3];\n texPosPVec[0] = pos + xvec;\n texPosPVec[1] = pos + yvec;\n texPosPVec[2] = pos + zvec;\n vec3 texPosNVec[3];\n texPosNVec[0] = pos - xvec;\n texPosNVec[1] = pos - yvec;\n texPosNVec[2] = pos - zvec;\n vec3 g1, g2;\n\n scalarInterp[0].x = getTextureValue(texPosPVec[0]).a;\n scalarInterp[0].y = getTextureValue(texPosPVec[1]).a;\n scalarInterp[0].z = getTextureValue(texPosPVec[2]).a;\n scalarInterp[1].x = getTextureValue(texPosNVec[0]).a;\n scalarInterp[1].y = getTextureValue(texPosNVec[1]).a;\n scalarInterp[1].z = getTextureValue(texPosNVec[2]).a;\n\n #ifdef vtkClippingPlanesOn\n adjustClippedVoxelValues(pos, texPosPVec, scalarInterp[0]);\n adjustClippedVoxelValues(pos, texPosNVec, scalarInterp[1]);\n #endif\n vec4 result;\n result.x = scalarInterp[0].x - scalarInterp[1].x;\n result.y = scalarInterp[0].y - scalarInterp[1].y;\n result.z = scalarInterp[0].z - scalarInterp[1].z;\n // divide by spacing\n result.xyz /= vSpacing;\n result.w = length(result.xyz);\n // rotate to View Coords\n rotateToViewCoord(result.xyz);\n if (length(result.xyz) > 0.0) {\n return vec4(normalize(result.xyz),result.w);\n } else {\n return vec4(0.0);\n }\n }\n #endif\n\n vec4 computeNormal(vec3 pos, vec3 tstep)\n {\n vec3 xvec = vec3(tstep.x, 0.0, 0.0);\n vec3 yvec = vec3(0.0, tstep.y, 0.0);\n vec3 zvec = vec3(0.0, 0.0, tstep.z);\n vec3 texPosPVec[3];\n texPosPVec[0] = pos + xvec;\n texPosPVec[1] = pos + yvec;\n texPosPVec[2] = pos + zvec;\n vec3 texPosNVec[3];\n texPosNVec[0] = pos - xvec;\n texPosNVec[1] = pos - yvec;\n texPosNVec[2] = pos - zvec;\n vec3 g1, g2;\n g1.x = getTextureValue(texPosPVec[0]).a;\n g1.y = getTextureValue(texPosPVec[1]).a;\n g1.z = getTextureValue(texPosPVec[2]).a;\n g2.x = getTextureValue(texPosNVec[0]).a;\n g2.y = getTextureValue(texPosNVec[1]).a;\n g2.z = getTextureValue(texPosNVec[2]).a;\n #ifdef vtkClippingPlanesOn\n adjustClippedVoxelValues(pos, texPosPVec, g1);\n adjustClippedVoxelValues(pos, texPosNVec, g2);\n #endif\n vec4 result;\n result = vec4(g1 - g2, -1.0);\n // divide by spacing\n result.xyz /= vSpacing;\n result.w = length(result.xyz);\n if (result.w > 0.0){\n // rotate to View Coords\n rotateToViewCoord(result.xyz);\n return vec4(normalize(result.xyz),result.w);\n } else {\n return vec4(0.0);\n }\n }\n#endif\n\n#ifdef vtkImageLabelOutlineOn\nvec3 fragCoordToIndexSpace(vec4 fragCoord) {\n vec4 pcPos = vec4(\n (fragCoord.x / vpWidth - vpOffsetX - 0.5) * 2.0,\n (fragCoord.y / vpHeight - vpOffsetY - 0.5) * 2.0,\n (fragCoord.z - 0.5) * 2.0,\n 1.0);\n\n vec4 worldCoord = PCWCMatrix * pcPos;\n vec4 vertex = (worldCoord/worldCoord.w);\n\n vec3 index = (vWCtoIDX * vertex).xyz;\n\n // half voxel fix for labelmapOutline\n return (index + vec3(0.5)) / vec3(volumeDimensions);\n}\n#endif\n\n//=======================================================================\n// compute the normals and gradient magnitudes for a position\n// for independent components\nmat4 computeMat4Normal(vec3 pos, vec4 tValue, vec3 tstep)\n{\n mat4 result;\n vec4 distX = getTextureValue(pos + vec3(tstep.x, 0.0, 0.0)) - tValue;\n vec4 distY = getTextureValue(pos + vec3(0.0, tstep.y, 0.0)) - tValue;\n vec4 distZ = getTextureValue(pos + vec3(0.0, 0.0, tstep.z)) - tValue;\n\n // divide by spacing\n distX /= vSpacing.x;\n distY /= vSpacing.y;\n distZ /= vSpacing.z;\n\n mat3 rot;\n rot[0] = vPlaneNormal0;\n rot[1] = vPlaneNormal2;\n rot[2] = vPlaneNormal4;\n\n#if !defined(vtkComponent0Proportional)\n result[0].xyz = vec3(distX.r, distY.r, distZ.r);\n result[0].a = length(result[0].xyz);\n result[0].xyz *= rot;\n if (result[0].w > 0.0)\n {\n result[0].xyz /= result[0].w;\n }\n#endif\n\n// optionally compute the 2nd component\n#if vtkNumComponents >= 2 && !defined(vtkComponent1Proportional)\n result[1].xyz = vec3(distX.g, distY.g, distZ.g);\n result[1].a = length(result[1].xyz);\n result[1].xyz *= rot;\n if (result[1].w > 0.0)\n {\n result[1].xyz /= result[1].w;\n }\n#endif\n\n// optionally compute the 3rd component\n#if vtkNumComponents >= 3 && !defined(vtkComponent2Proportional)\n result[2].xyz = vec3(distX.b, distY.b, distZ.b);\n result[2].a = length(result[2].xyz);\n result[2].xyz *= rot;\n if (result[2].w > 0.0)\n {\n result[2].xyz /= result[2].w;\n }\n#endif\n\n// optionally compute the 4th component\n#if vtkNumComponents >= 4 && !defined(vtkComponent3Proportional)\n result[3].xyz = vec3(distX.a, distY.a, distZ.a);\n result[3].a = length(result[3].xyz);\n result[3].xyz *= rot;\n if (result[3].w > 0.0)\n {\n result[3].xyz /= result[3].w;\n }\n#endif\n\n return result;\n}\n\n//=======================================================================\n// global shadow - secondary ray\n#if defined(VolumeShadowOn) || defined(localAmbientOcclusionOn)\nfloat random()\n{\n float rand = fract(sin(dot(gl_FragCoord.xy,vec2(12.9898,78.233)))*43758.5453123);\n float jitter=texture2D(jtexture,gl_FragCoord.xy/32.).r;\n uint pcg_state = floatBitsToUint(jitter);\n uint state = pcg_state;\n pcg_state = pcg_state * uint(747796405) + uint(2891336453);\n uint word = ((state >> ((state >> uint(28)) + uint(4))) ^ state) * uint(277803737);\n return (float((((word >> uint(22)) ^ word) >> 1 ))/float(2147483647) + rand)/2.0;\n}\n#endif\n\n#ifdef VolumeShadowOn\n// henyey greenstein phase function\nfloat phase_function(float cos_angle)\n{\n // divide by 2.0 instead of 4pi to increase intensity\n return ((1.0-anisotropy2)/pow(1.0+anisotropy2-2.0*anisotropy*cos_angle, 1.5))/2.0;\n}\n\n// Computes the intersection between a ray and a box\nstruct Hit\n{\n float tmin;\n float tmax;\n};\n\nstruct Ray\n{\n vec3 origin;\n vec3 dir;\n vec3 invDir;\n};\n\nbool BBoxIntersect(vec3 boundMin, vec3 boundMax, const Ray r, out Hit hit)\n{\n vec3 tbot = r.invDir * (boundMin - r.origin);\n vec3 ttop = r.invDir * (boundMax - r.origin);\n vec3 tmin = min(ttop, tbot);\n vec3 tmax = max(ttop, tbot);\n vec2 t = max(tmin.xx, tmin.yz);\n float t0 = max(t.x, t.y);\n t = min(tmax.xx, tmax.yz);\n float t1 = min(t.x, t.y);\n hit.tmin = t0;\n hit.tmax = t1;\n return t1 > max(t0,0.0);\n}\n\n// As BBoxIntersect requires the inverse of the ray coords,\n// this function is used to avoid numerical issues\nvoid safe_0_vector(inout Ray ray)\n{\n if(abs(ray.dir.x) < EPSILON) ray.dir.x = sign(ray.dir.x) * EPSILON;\n if(abs(ray.dir.y) < EPSILON) ray.dir.y = sign(ray.dir.y) * EPSILON;\n if(abs(ray.dir.z) < EPSILON) ray.dir.z = sign(ray.dir.z) * EPSILON;\n}\n\nfloat volume_shadow(vec3 posIS, vec3 lightDirNormIS)\n{\n float shadow = 1.0;\n float opacity = 0.0;\n\n // modify sample distance with a random number between 1.5 and 3.0\n float sampleDistanceISVS_jitter = sampleDistanceISVS * mix(1.5, 3.0, random());\n float opacityPrev = texture2D(otexture, vec2(getTextureValue(posIS).r * oscale0 + oshift0, 0.5)).r;\n\n // in case the first sample near surface has a very tiled light ray, we need to offset start position\n posIS += sampleDistanceISVS_jitter * lightDirNormIS;\n\n // compute the start and end points for the ray\n Ray ray;\n Hit hit;\n ray.origin = posIS;\n ray.dir = lightDirNormIS;\n safe_0_vector(ray);\n ray.invDir = 1.0/ray.dir;\n\n if(!BBoxIntersect(vec3(0.0),vec3(1.0), ray, hit))\n {\n return 1.0;\n }\n float maxdist = hit.tmax;\n\n // interpolate shadow ray length between: 1 unit of sample distance in IS to SQRT3, based on globalIlluminationReach\n float maxgi = mix(sampleDistanceISVS_jitter,SQRT3,giReach);\n maxdist = min(maxdist,maxgi);\n if(maxdist < EPSILON) {\n return 1.0;\n }\n\n // support gradient opacity\n #ifdef vtkGradientOpacityOn\n vec4 normal;\n #endif\n\n float current_dist = 0.0;\n float current_step = length(sampleDistanceISVS_jitter * lightDirNormIS);\n float clamped_step = 0.0;\n\n vec4 scalar = vec4(0.0);\n while(current_dist < maxdist)\n {\n#ifdef vtkClippingPlanesOn\n vec3 posVC = IStoVC(posIS);\n for (int i = 0; i < clip_numPlanes; ++i)\n {\n if (dot(vec3(vClipPlaneOrigins[i] - posVC), vClipPlaneNormals[i]) > 0.0)\n {\n current_dist = maxdist;\n }\n }\n#endif\n scalar = getTextureValue(posIS);\n opacity = texture2D(otexture, vec2(scalar.r * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n normal = computeNormal(posIS, vec3(1.0/vec3(volumeDimensions)));\n opacity *= computeGradientOpacityFactor(normal.w, goscale0, goshift0, gomin0, gomax0);\n #endif\n shadow *= 1.0 - opacity;\n\n // optimization: early termination\n if (shadow < EPSILON){\n return 0.0;\n }\n\n clamped_step = min(maxdist - current_dist, current_step);\n posIS += clamped_step * lightDirNormIS;\n current_dist += current_step;\n }\n\n return shadow;\n}\n\nvec3 applyShadowRay(vec3 tColor, vec3 posIS, vec3 viewDirectionVC)\n{\n vec3 vertLight = vec3(0.0);\n vec3 secondary_contrib = vec3(0.0);\n // here we assume only positional light, no effect of cones\n for (int i = 0; i < lightNum; i++)\n {\n #if(vtkLightComplexity==3)\n if (lightPositional[i] == 1){\n vertLight = lightPositionVC[i] - IStoVC(posIS);\n }else{\n vertLight = - lightDirectionVC[i];\n }\n #else\n vertLight = - lightDirectionVC[i];\n #endif\n // here we assume achromatic light, only intensity\n float dDotL = dot(viewDirectionVC, normalize(vertLight));\n // isotropic scatter returns 0.5 instead of 1/4pi to increase intensity\n float phase_attenuation = 0.5;\n if (abs(anisotropy) > EPSILON){\n phase_attenuation = phase_function(dDotL);\n }\n float vol_shadow = volume_shadow(posIS, normalize(rotateToIDX(vertLight)));\n secondary_contrib += tColor * vDiffuse * lightColor[i] * vol_shadow * phase_attenuation;\n secondary_contrib += tColor * vAmbient;\n }\n return secondary_contrib;\n}\n#endif\n\n//=======================================================================\n// local ambient occlusion\n#ifdef localAmbientOcclusionOn\nvec3 sample_direction_uniform(int i)\n{\n float rand = random() * 0.5;\n float theta = PI2 * (kernelSample[i][0] + rand);\n float phi = acos(2.0 * (kernelSample[i][1] + rand) -1.0) / 2.5;\n return normalize(vec3(cos(theta)*sin(phi), sin(theta)*sin(phi), cos(phi)));\n}\n\n// return a matrix that transform startDir into z axis; startDir should be normalized\nmat3 zBaseRotationalMatrix(vec3 startDir){\n vec3 axis = cross(startDir, vec3(0.0,0.0,1.0));\n float cosA = startDir.z;\n float k = 1.0 / (1.0 + cosA);\n mat3 matrix = mat3((axis.x * axis.x * k) + cosA, (axis.y * axis.x * k) - axis.z, (axis.z * axis.x * k) + axis.y,\n (axis.x * axis.y * k) + axis.z, (axis.y * axis.y * k) + cosA, (axis.z * axis.y * k) - axis.x,\n (axis.x * axis.z * k) - axis.y, (axis.y * axis.z * k) + axis.x, (axis.z * axis.z * k) + cosA);\n return matrix;\n}\n\nfloat computeLAO(vec3 posIS, float op, vec3 lightDir, vec4 normal){\n // apply LAO only at selected locations, otherwise return full brightness\n if (normal.w > 0.0 && op > 0.05){\n float total_transmittance = 0.0;\n mat3 inverseRotateBasis = inverse(zBaseRotationalMatrix(normalize(-normal.xyz)));\n vec3 currPos, randomDirStep;\n float weight, transmittance, opacity;\n for (int i = 0; i < kernelSize; i++)\n {\n randomDirStep = inverseRotateBasis * sample_direction_uniform(i) * sampleDistanceIS;\n weight = 1.0 - dot(normalize(lightDir), normalize(randomDirStep));\n currPos = posIS;\n transmittance = 1.0;\n for (int j = 0; j < kernelRadius ; j++){\n currPos += randomDirStep;\n // check if it's at clipping plane, if so return full brightness\n if (all(greaterThan(currPos, vec3(EPSILON))) && all(lessThan(currPos,vec3(1.0-EPSILON)))){\n opacity = texture2D(otexture, vec2(getTextureValue(currPos).r * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n opacity *= computeGradientOpacityFactor(normal.w, goscale0, goshift0, gomin0, gomax0);\n #endif\n transmittance *= 1.0 - opacity;\n }\n else{\n break;\n }\n }\n total_transmittance += transmittance / float(kernelRadius) * weight;\n\n // early termination if fully translucent\n if (total_transmittance > 1.0 - EPSILON){\n return 1.0;\n }\n }\n // average transmittance and reduce variance\n return clamp(total_transmittance / float(kernelSize), 0.3, 1.0);\n } else {\n return 1.0;\n }\n}\n#endif\n\n//=======================================================================\n// surface light contribution\n#if vtkLightComplexity > 0\n void applyLighting(inout vec3 tColor, vec4 normal)\n {\n vec3 diffuse = vec3(0.0, 0.0, 0.0);\n vec3 specular = vec3(0.0, 0.0, 0.0);\n float df, sf = 0.0;\n for (int i = 0; i < lightNum; i++){\n df = abs(dot(normal.rgb, -lightDirectionVC[i]));\n diffuse += df * lightColor[i];\n sf = pow( abs(dot(lightHalfAngleVC[i],normal.rgb)), vSpecularPower);\n specular += sf * lightColor[i];\n }\n tColor.rgb = tColor.rgb*(diffuse*vDiffuse + vAmbient) + specular*vSpecular;\n }\n #ifdef SurfaceShadowOn\n #if vtkLightComplexity < 3\n vec3 applyLightingDirectional(vec3 posIS, vec4 tColor, vec4 normal)\n {\n // everything in VC\n vec3 diffuse = vec3(0.0);\n vec3 specular = vec3(0.0);\n #ifdef localAmbientOcclusionOn\n vec3 ambient = vec3(0.0);\n #endif\n vec3 vertLightDirection;\n for (int i = 0; i < lightNum; i++){\n float ndotL,vdotR;\n vertLightDirection = lightDirectionVC[i];\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n }\n #ifdef localAmbientOcclusionOn\n return tColor.rgb * (diffuse * vDiffuse + vAmbient * ambient) + specular*vSpecular;\n #else\n return tColor.rgb * (diffuse * vDiffuse + vAmbient) + specular*vSpecular;\n #endif\n }\n #else\n vec3 applyLightingPositional(vec3 posIS, vec4 tColor, vec4 normal, vec3 posVC)\n {\n // everything in VC\n vec3 diffuse = vec3(0.0);\n vec3 specular = vec3(0.0);\n #ifdef localAmbientOcclusionOn\n vec3 ambient = vec3(0.0);\n #endif\n vec3 vertLightDirection;\n for (int i = 0; i < lightNum; i++){\n float distance,attenuation,ndotL,vdotR;\n vec3 lightDir;\n if (lightPositional[i] == 1){\n lightDir = lightDirectionVC[i];\n vertLightDirection = posVC - lightPositionVC[i];\n distance = length(vertLightDirection);\n vertLightDirection = normalize(vertLightDirection);\n attenuation = 1.0 / (lightAttenuation[i].x\n + lightAttenuation[i].y * distance\n + lightAttenuation[i].z * distance * distance);\n // per OpenGL standard cone angle is 90 or less for a spot light\n if (lightConeAngle[i] <= 90.0){\n float coneDot = dot(vertLightDirection, lightDir);\n if (coneDot >= cos(radians(lightConeAngle[i]))){ // if inside cone\n attenuation = attenuation * pow(coneDot, lightExponent[i]);\n }\n else {\n attenuation = 0.0;\n }\n }\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * attenuation * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * attenuation * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n } else {\n vertLightDirection = lightDirectionVC[i];\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n }\n }\n #ifdef localAmbientOcclusionOn\n return tColor.rgb * (diffuse * vDiffuse + vAmbient * ambient) + specular*vSpecular;\n #else\n return tColor.rgb * (diffuse * vDiffuse + vAmbient) + specular*vSpecular;\n #endif\n }\n #endif\n #endif\n#endif\n\n//=======================================================================\n// Given a texture value compute the color and opacity\n//\nvec4 getColorForValue(vec4 tValue, vec3 posIS, vec3 tstep)\n{\n#ifdef vtkImageLabelOutlineOn\n vec3 centerPosIS = fragCoordToIndexSpace(gl_FragCoord); // pos in texture space\n vec4 centerValue = getTextureValue(centerPosIS);\n bool pixelOnBorder = false;\n vec4 tColor = texture2D(ctexture, vec2(centerValue.r * cscale0 + cshift0, 0.5));\n\n // Get alpha of segment from opacity function.\n tColor.a = texture2D(otexture, vec2(centerValue.r * oscale0 + oshift0, 0.5)).r;\n\n int segmentIndex = int(centerValue.r * 255.0);\n \n // Use texture sampling for outlineThickness\n float textureCoordinate = float(segmentIndex - 1) / 1024.0;\n float textureValue = texture2D(ttexture, vec2(textureCoordinate, 0.5)).r;\n\n int actualThickness = int(textureValue * 255.0);\n\n if (actualThickness == 0) {\n return vec4(0, 0, 1, 1);\n }\n\n // Only perform outline check on fragments rendering voxels that aren't invisible.\n // Saves a bunch of needless checks on the background.\n // TODO define epsilon when building shader?\n if (float(tColor.a) > 0.01) {\n for (int i = -actualThickness; i <= actualThickness; i++) {\n for (int j = -actualThickness; j <= actualThickness; j++) {\n if (i == 0 || j == 0) {\n continue;\n }\n\n vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n gl_FragCoord.y + float(j),\n gl_FragCoord.z, gl_FragCoord.w);\n\n vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n vec4 value = getTextureValue(neighborPosIS);\n\n // If any of my neighbours are not the same value as I\n // am, this means I am on the border of the segment.\n // We can break the loops\n if (any(notEqual(value, centerValue))) {\n pixelOnBorder = true;\n break;\n }\n }\n\n if (pixelOnBorder == true) {\n break;\n }\n }\n\n // If I am on the border, I am displayed at full opacity\n if (pixelOnBorder == true) {\n tColor.a = outlineOpacity;\n }\n }\n\n#else\n // compute the normal and gradient magnitude if needed\n // We compute it as a vec4 if possible otherwise a mat4\n //\n vec4 goFactor = vec4(1.0,1.0,1.0,1.0);\n\n // compute the normal vectors as needed\n #if (vtkLightComplexity > 0) || defined(vtkGradientOpacityOn)\n #if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\n mat4 normalMat = computeMat4Normal(posIS, tValue, tstep);\n #if !defined(vtkComponent0Proportional)\n vec4 normal0 = normalMat[0];\n #endif\n #if !defined(vtkComponent1Proportional)\n vec4 normal1 = normalMat[1];\n #endif\n #if vtkNumComponents > 2\n #if !defined(vtkComponent2Proportional)\n vec4 normal2 = normalMat[2];\n #endif\n #if vtkNumComponents > 3\n #if !defined(vtkComponent3Proportional)\n vec4 normal3 = normalMat[3];\n #endif\n #endif\n #endif\n #else\n vec4 normalLight;\n #ifdef vtkComputeNormalFromOpacity\n vec3 scalarInterp[2];\n vec4 normal0 = computeNormalForDensity(posIS, tstep, scalarInterp);\n if (length(normal0)>0.0){\n #ifdef vtkGradientOpacityOn\n normalLight = computeDensityNormal(normal0.w, scalarInterp);\n #else\n normalLight = computeDensityNormal(scalarInterp);\n #endif\n if (length(normalLight) == 0.0){\n normalLight = normal0;\n }\n }\n #else\n vec4 normal0 = computeNormal(posIS, tstep);\n normalLight = normal0;\n #endif\n #endif\n #endif\n\n // compute gradient opacity factors as needed\n #if defined(vtkGradientOpacityOn)\n #if !defined(vtkComponent0Proportional)\n goFactor.x =\n computeGradientOpacityFactor(normal0.a, goscale0, goshift0, gomin0, gomax0);\n #endif\n #if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\n #if !defined(vtkComponent1Proportional)\n goFactor.y =\n computeGradientOpacityFactor(normal1.a, goscale1, goshift1, gomin1, gomax1);\n #endif\n #if vtkNumComponents > 2\n #if !defined(vtkComponent2Proportional)\n goFactor.z =\n computeGradientOpacityFactor(normal2.a, goscale2, goshift2, gomin2, gomax2);\n #endif\n #if vtkNumComponents > 3\n #if !defined(vtkComponent3Proportional)\n goFactor.w =\n computeGradientOpacityFactor(normal3.a, goscale3, goshift3, gomin3, gomax3);\n #endif\n #endif\n #endif\n #endif\n #endif\n\n // single component is always independent\n #if vtkNumComponents == 1\n vec4 tColor = texture2D(ctexture, vec2(tValue.r * cscale0 + cshift0, 0.5));\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n if (tColor.a < EPSILON){\n return vec4(0.0);\n }\n #endif\n\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n vec4 tColor = mix0*texture2D(ctexture, vec2(tValue.r * cscale0 + cshift0, height0));\n #if !defined(vtkComponent0Proportional)\n tColor.a = goFactor.x*mix0*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, height0)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, height0)).r;\n tColor *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix0));\n #endif\n\n vec3 tColor1 = mix1*texture2D(ctexture, vec2(tValue.g * cscale1 + cshift1, height1)).rgb;\n #if !defined(vtkComponent1Proportional)\n tColor.a += goFactor.y*mix1*texture2D(otexture, vec2(tValue.g * oscale1 + oshift1, height1)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.g * oscale1 + oshift1, height1)).r;\n tColor1 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix1));\n #endif\n\n #if vtkNumComponents >= 3\n vec3 tColor2 = mix2*texture2D(ctexture, vec2(tValue.b * cscale2 + cshift2, height2)).rgb;\n #if !defined(vtkComponent2Proportional)\n tColor.a += goFactor.z*mix2*texture2D(otexture, vec2(tValue.b * oscale2 + oshift2, height2)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.b * oscale2 + oshift2, height2)).r;\n tColor2 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix2));\n #endif\n\n #if vtkNumComponents >= 4\n vec3 tColor3 = mix3*texture2D(ctexture, vec2(tValue.a * cscale3 + cshift3, height3)).rgb;\n #if !defined(vtkComponent3Proportional)\n tColor.a += goFactor.w*mix3*texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, height3)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, height3)).r;\n tColor3 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix3));\n #endif\n #endif\n #endif\n #else // then not independent\n\n #if vtkNumComponents == 2\n float lum = tValue.r * cscale0 + cshift0;\n float alpha = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale1 + oshift1, 0.5)).r;\n vec4 tColor = vec4(lum, lum, lum, alpha);\n #endif\n #if vtkNumComponents == 3\n vec4 tColor;\n tColor.r = tValue.r * cscale0 + cshift0;\n tColor.g = tValue.g * cscale1 + cshift1;\n tColor.b = tValue.b * cscale2 + cshift2;\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale0 + oshift0, 0.5)).r;\n #endif\n #if vtkNumComponents == 4\n vec4 tColor;\n tColor.r = tValue.r * cscale0 + cshift0;\n tColor.g = tValue.g * cscale1 + cshift1;\n tColor.b = tValue.b * cscale2 + cshift2;\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, 0.5)).r;\n #endif\n #endif // dependent\n\n // apply lighting if requested as appropriate\n #if vtkLightComplexity > 0\n #if !defined(vtkComponent0Proportional)\n #if vtkNumComponents == 1\n #ifdef SurfaceShadowOn\n #if vtkLightComplexity < 3\n vec3 tColorS = applyLightingDirectional(posIS, tColor, normalLight);\n #else\n vec3 tColorS = applyLightingPositional(posIS, tColor, normalLight, IStoVC(posIS));\n #endif\n #endif\n\n #ifdef VolumeShadowOn\n vec3 tColorVS = applyShadowRay(tColor.rgb, posIS, rayDirVC);\n #ifdef SurfaceShadowOn\n float vol_coef = volumetricScatteringBlending * (1.0 - tColor.a / 2.0) * (1.0 - atan(normalLight.w) * INV4PI);\n tColor.rgb = (1.0-vol_coef) * tColorS + vol_coef * tColorVS;\n #else\n tColor.rgb = tColorVS;\n #endif\n #else\n tColor.rgb = tColorS;\n #endif\n\n #else\n applyLighting(tColor.rgb, normal0);\n #endif\n #endif\n\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n #if !defined(vtkComponent1Proportional)\n applyLighting(tColor1, normal1);\n #endif\n #if vtkNumComponents >= 3\n #if !defined(vtkComponent2Proportional)\n applyLighting(tColor2, normal2);\n #endif\n #if vtkNumComponents >= 4\n #if !defined(vtkComponent3Proportional)\n applyLighting(tColor3, normal3);\n #endif\n #endif\n #endif\n #endif\n #endif\n\n// perform final independent blend as needed\n#if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n tColor.rgb += tColor1;\n#if vtkNumComponents >= 3\n tColor.rgb += tColor2;\n#if vtkNumComponents >= 4\n tColor.rgb += tColor3;\n#endif\n#endif\n#endif\n\n#endif\nreturn tColor;\n}\n\nbool valueWithinScalarRange(vec4 val, vec4 min, vec4 max) {\n bool withinRange = false;\n #if vtkNumComponents == 1\n if (val.r >= min.r && val.r <= max.r) {\n withinRange = true;\n }\n #endif\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents == 2\n if (val.r >= min.r && val.r <= max.r &&\n val.g >= min.g && val.g <= max.g) {\n withinRange = true;\n }\n #endif\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 3\n if (all(greaterThanEqual(val, ipScalarRangeMin)) &&\n all(lessThanEqual(val, ipScalarRangeMax))) {\n withinRange = true;\n }\n #endif\n return withinRange;\n}\n\n//=======================================================================\n// Apply the specified blend mode operation along the ray's path.\n//\nvoid applyBlend(vec3 posIS, vec3 endIS, vec3 tdims)\n{\n vec3 tstep = 1.0/tdims;\n\n // start slightly inside and apply some jitter\n vec3 delta = endIS - posIS;\n vec3 stepIS = normalize(delta)*sampleDistanceIS;\n float raySteps = length(delta)/sampleDistanceIS;\n\n // avoid 0.0 jitter\n float jitter = 0.01 + 0.99*texture2D(jtexture, gl_FragCoord.xy/32.0).r;\n float stepsTraveled = jitter;\n\n // local vars for the loop\n vec4 color = vec4(0.0, 0.0, 0.0, 0.0);\n vec4 tValue;\n vec4 tColor;\n\n // if we have less than one step then pick the middle point\n // as our value\n // if (raySteps <= 1.0)\n // {\n // posIS = (posIS + endIS)*0.5;\n // }\n\n // Perform initial step at the volume boundary\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n #if vtkBlendMode == 0 // COMPOSITE_BLEND\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n\n // handle very thin volumes\n if (raySteps <= 1.0)\n {\n tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps);\n gl_FragData[0] = tColor;\n return;\n }\n\n tColor.a = 1.0 - pow(1.0 - tColor.a, jitter);\n color = vec4(tColor.rgb*tColor.a, tColor.a);\n posIS += (jitter*stepIS);\n\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n\n float mix = (1.0 - color.a);\n\n // this line should not be needed but nvidia seems to not handle\n // the break correctly on windows/chrome 58 angle\n //mix = mix * sign(max(raySteps - stepsTraveled - 1.0, 0.0));\n\n color = color + vec4(tColor.rgb*tColor.a, tColor.a)*mix;\n stepsTraveled++;\n posIS += stepIS;\n if (color.a > 0.99) { color.a = 1.0; break; }\n }\n\n if (color.a < 0.99 && (raySteps - stepsTraveled) > 0.0)\n {\n posIS = endIS;\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps - stepsTraveled);\n\n float mix = (1.0 - color.a);\n color = color + vec4(tColor.rgb*tColor.a, tColor.a)*mix;\n }\n\n gl_FragData[0] = vec4(color.rgb/color.a, color.a);\n #endif\n #if vtkBlendMode == 1 || vtkBlendMode == 2\n // MAXIMUM_INTENSITY_BLEND || MINIMUM_INTENSITY_BLEND\n // Find maximum/minimum intensity along the ray.\n\n // Define the operation we will use (min or max)\n #if vtkBlendMode == 1\n #define OP max\n #else\n #define OP min\n #endif\n\n // If the clipping range is shorter than the sample distance\n // we can skip the sampling loop along the ray.\n if (raySteps <= 1.0)\n {\n gl_FragData[0] = getColorForValue(tValue, posIS, tstep);\n return;\n }\n\n vec4 value = tValue;\n posIS += (jitter*stepIS);\n\n // Sample along the ray until MaximumSamplesValue,\n // ending slightly inside the total distance\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n // If we have reached the last step, break\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // Update the maximum value if necessary\n value = OP(tValue, value);\n\n // Otherwise, continue along the ray\n stepsTraveled++;\n posIS += stepIS;\n }\n\n // Perform the last step along the ray using the\n // residual distance\n posIS = endIS;\n tValue = getTextureValue(posIS);\n value = OP(tValue, value);\n\n // Now map through opacity and color\n gl_FragData[0] = getColorForValue(value, posIS, tstep);\n #endif\n #if vtkBlendMode == 3 || vtkBlendMode == 4 //AVERAGE_INTENSITY_BLEND || ADDITIVE_BLEND\n vec4 sum = vec4(0.);\n\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n sum += tValue;\n }\n\n if (raySteps <= 1.0) {\n gl_FragData[0] = getColorForValue(sum, posIS, tstep);\n return;\n }\n\n posIS += (jitter*stepIS);\n\n // Sample along the ray until MaximumSamplesValue,\n // ending slightly inside the total distance\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n // If we have reached the last step, break\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // One can control the scalar range by setting the AverageIPScalarRange to disregard scalar values, not in the range of interest, from the average computation.\n // Notes:\n // - We are comparing all values in the texture to see if any of them\n // are outside of the scalar range. In the future we might want to allow\n // scalar ranges for each component.\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n // Sum the values across each step in the path\n sum += tValue;\n }\n stepsTraveled++;\n posIS += stepIS;\n }\n\n // Perform the last step along the ray using the\n // residual distance\n posIS = endIS;\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // One can control the scalar range by setting the IPScalarRange to disregard scalar values, not in the range of interest, from the average computation\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n sum += tValue;\n\n stepsTraveled++;\n }\n\n #if vtkBlendMode == 3 // Average\n sum /= vec4(stepsTraveled, stepsTraveled, stepsTraveled, 1.0);\n #endif\n\n gl_FragData[0] = getColorForValue(sum, posIS, tstep);\n #endif\n #if vtkBlendMode == 5 // RADON\n float normalizedRayIntensity = 1.0;\n\n // handle very thin volumes\n if (raySteps <= 1.0)\n {\n tValue = getTextureValue(posIS);\n normalizedRayIntensity = normalizedRayIntensity - sampleDistance*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n gl_FragData[0] = texture2D(ctexture, vec2(normalizedRayIntensity, 0.5));\n return;\n }\n\n posIS += (jitter*stepIS);\n\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar value\n tValue = getTextureValue(posIS);\n\n // Convert scalar value to normalizedRayIntensity coefficient and accumulate normalizedRayIntensity\n normalizedRayIntensity = normalizedRayIntensity - sampleDistance*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n\n posIS += stepIS;\n stepsTraveled++;\n }\n\n // map normalizedRayIntensity to color\n gl_FragData[0] = texture2D(ctexture, vec2(normalizedRayIntensity , 0.5));\n\n #endif\n}\n\n//=======================================================================\n// Compute a new start and end point for a given ray based\n// on the provided bounded clipping plane (aka a rectangle)\nvoid getRayPointIntersectionBounds(\n vec3 rayPos, vec3 rayDir,\n vec3 planeDir, float planeDist,\n inout vec2 tbounds, vec3 vPlaneX, vec3 vPlaneY,\n float vSize1, float vSize2)\n{\n float result = dot(rayDir, planeDir);\n if (abs(result) < 1e-6)\n {\n return;\n }\n result = -1.0 * (dot(rayPos, planeDir) + planeDist) / result;\n vec3 xposVC = rayPos + rayDir*result;\n vec3 vxpos = xposVC - vOriginVC;\n vec2 vpos = vec2(\n dot(vxpos, vPlaneX),\n dot(vxpos, vPlaneY));\n\n // on some apple nvidia systems this does not work\n // if (vpos.x < 0.0 || vpos.x > vSize1 ||\n // vpos.y < 0.0 || vpos.y > vSize2)\n // even just\n // if (vpos.x < 0.0 || vpos.y < 0.0)\n // fails\n // so instead we compute a value that represents in and out\n //and then compute the return using this value\n float xcheck = max(0.0, vpos.x * (vpos.x - vSize1)); // 0 means in bounds\n float check = sign(max(xcheck, vpos.y * (vpos.y - vSize2))); // 0 means in bounds, 1 = out\n\n tbounds = mix(\n vec2(min(tbounds.x, result), max(tbounds.y, result)), // in value\n tbounds, // out value\n check); // 0 in 1 out\n}\n\n//=======================================================================\n// given a\n// - ray direction (rayDir)\n// - starting point (vertexVCVSOutput)\n// - bounding planes of the volume\n// - optionally depth buffer values\n// - far clipping plane\n// compute the start/end distances of the ray we need to cast\nvec2 computeRayDistances(vec3 rayDir, vec3 tdims)\n{\n vec2 dists = vec2(100.0*camFar, -1.0);\n\n vec3 vSize = vSpacing*tdims;\n\n // all this is in View Coordinates\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal0, vPlaneDistance0, dists, vPlaneNormal2, vPlaneNormal4,\n vSize.y, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal1, vPlaneDistance1, dists, vPlaneNormal2, vPlaneNormal4,\n vSize.y, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal2, vPlaneDistance2, dists, vPlaneNormal0, vPlaneNormal4,\n vSize.x, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal3, vPlaneDistance3, dists, vPlaneNormal0, vPlaneNormal4,\n vSize.x, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal4, vPlaneDistance4, dists, vPlaneNormal0, vPlaneNormal2,\n vSize.x, vSize.y);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal5, vPlaneDistance5, dists, vPlaneNormal0, vPlaneNormal2,\n vSize.x, vSize.y);\n\n //VTK::ClipPlane::Impl\n\n // do not go behind front clipping plane\n dists.x = max(0.0,dists.x);\n\n // do not go PAST far clipping plane\n float farDist = -camThick/rayDir.z;\n dists.y = min(farDist,dists.y);\n\n // Do not go past the zbuffer value if set\n // This is used for intermixing opaque geometry\n //VTK::ZBuffer::Impl\n\n return dists;\n}\n\n//=======================================================================\n// Compute the index space starting position (pos) and end\n// position\n//\nvoid computeIndexSpaceValues(out vec3 pos, out vec3 endPos, vec3 rayDir, vec2 dists)\n{\n // compute starting and ending values in volume space\n pos = vertexVCVSOutput + dists.x*rayDir;\n pos = pos - vOriginVC;\n // convert to volume basis and origin\n pos = vec3(\n dot(pos, vPlaneNormal0),\n dot(pos, vPlaneNormal2),\n dot(pos, vPlaneNormal4));\n\n endPos = vertexVCVSOutput + dists.y*rayDir;\n endPos = endPos - vOriginVC;\n endPos = vec3(\n dot(endPos, vPlaneNormal0),\n dot(endPos, vPlaneNormal2),\n dot(endPos, vPlaneNormal4));\n\n float delta = length(endPos - pos);\n\n pos *= vVCToIJK;\n endPos *= vVCToIJK;\n\n float delta2 = length(endPos - pos);\n sampleDistanceIS = sampleDistance*delta2/delta;\n #ifdef VolumeShadowOn\n sampleDistanceISVS = sampleDistanceIS * volumeShadowSamplingDistFactor;\n #endif\n}\n\nvoid main()\n{\n\n if (cameraParallel == 1)\n {\n // Camera is parallel, so the rayDir is just the direction of the camera.\n rayDirVC = vec3(0.0, 0.0, -1.0);\n } else {\n // camera is at 0,0,0 so rayDir for perspective is just the vc coord\n rayDirVC = normalize(vertexVCVSOutput);\n }\n\n vec3 tdims = vec3(volumeDimensions);\n\n // compute the start and end points for the ray\n vec2 rayStartEndDistancesVC = computeRayDistances(rayDirVC, tdims);\n\n // do we need to composite? aka does the ray have any length\n // If not, bail out early\n if (rayStartEndDistancesVC.y <= rayStartEndDistancesVC.x)\n {\n discard;\n }\n\n // IS = Index Space\n vec3 posIS;\n vec3 endIS;\n computeIndexSpaceValues(posIS, endIS, rayDirVC, rayStartEndDistancesVC);\n\n // Perform the blending operation along the ray\n applyBlend(posIS, endIS, tdims);\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let i=n.Fragment;o.getProperty().getInterpolationType()===el.LINEAR&&(i=Ca.substitute(i,"//VTK::TrilinearOn","#define vtkTrilinearOn").result),!0===o.getProperty().getUseLabelOutline()&&(i=Ca.substitute(i,"//VTK::ImageLabelOutlineOn","#define vtkImageLabelOutlineOn").result);const a=t.scalarTexture.getComponents();i=Ca.substitute(i,"//VTK::NumComponents",`#define vtkNumComponents ${a}`).result;const s=o.getProperty().getIndependentComponents();if(s){i=Ca.substitute(i,"//VTK::IndependentComponentsOn","#define vtkIndependentComponentsOn").result;const e=[];for(let t=0;t0&&(i=Ca.substitute(i,"//VTK::vtkProportionalComponents",e.join("\n")).result)}const l=t.currentInput.getSpatialExtent(),u=t.currentInput.getSpacing(),c=new Float64Array(3);jt(c,(l[1]-l[0])*u[0],(l[3]-l[2])*u[1],(l[5]-l[4])*u[2]);const d=Gt(c)/e.getCurrentSampleDistance(r);i=Ca.substitute(i,"//VTK::MaximumSamplesValue",`${Math.ceil(d)}`).result,i=Ca.substitute(i,"//VTK::LightComplexity",`#define vtkLightComplexity ${t.lastLightComplexity}`).result,t.lastLightComplexity>0&&(t.renderable.getVolumetricScatteringBlending()>0&&(i=Ca.substitute(i,"//VTK::VolumeShadowOn","#define VolumeShadowOn").result),t.renderable.getVolumetricScatteringBlending()<1&&(i=Ca.substitute(i,"//VTK::SurfaceShadowOn","#define SurfaceShadowOn").result),t.renderable.getLocalAmbientOcclusion()&&o.getProperty().getAmbient()>0&&(i=Ca.substitute(i,"//VTK::localAmbientOcclusionOn","#define localAmbientOcclusionOn").result)),t.gopacity=o.getProperty().getUseGradientOpacity(0);for(let e=1;s&&!t.gopacity&&e{if(0===t.lastLightComplexity)return;let o=e.Fragment,i=0;n.getLights().forEach((e=>{e.getSwitch()&&(i+=1)})),o=Ca.substitute(o,"//VTK::Light::Dec",["uniform int lightNum;","uniform bool twoSidedLighting;",`uniform vec3 lightColor[${i}];`,`uniform vec3 lightDirectionVC[${i}]; // normalized`,`uniform vec3 lightHalfAngleVC[${i}];`,"//VTK::Light::Dec"],!1).result,3===t.lastLightComplexity&&(o=Ca.substitute(o,"//VTK::Light::Dec",[`uniform vec3 lightPositionVC[${i}];`,`uniform vec3 lightAttenuation[${i}];`,`uniform float lightConeAngle[${i}];`,`uniform float lightExponent[${i}];`,`uniform int lightPositional[${i}];`],!1).result),t.renderable.getVolumetricScatteringBlending()>0&&(o=Ca.substitute(o,"//VTK::VolumeShadow::Dec",["uniform float volumetricScatteringBlending;","uniform float giReach;","uniform float volumeShadowSamplingDistFactor;","uniform float anisotropy;","uniform float anisotropy2;"],!1).result),t.renderable.getLocalAmbientOcclusion()&&r.getProperty().getAmbient()>0&&(o=Ca.substitute(o,"//VTK::LAO::Dec",["uniform int kernelRadius;",`uniform vec2 kernelSample[${t.renderable.getLAOKernelRadius()}];`,"uniform int kernelSize;"],!1).result),e.Fragment=o},e.replaceShaderClippingPlane=(e,n,r)=>{let o=e.Fragment;if(t.renderable.getClippingPlanes().length>0){const e=t.renderable.getClippingPlanes().length;o=Ca.substitute(o,"//VTK::ClipPlane::Dec",["uniform vec3 vClipPlaneNormals[6];","uniform float vClipPlaneDistances[6];","uniform vec3 vClipPlaneOrigins[6];","uniform int clip_numPlanes;","//VTK::ClipPlane::Dec","#define vtkClippingPlanesOn"],!1).result,o=Ca.substitute(o,"//VTK::ClipPlane::Impl",[`for(int i = 0; i < ${e}; i++) {`," float rayDirRatio = dot(rayDir, vClipPlaneNormals[i]);"," float equationResult = dot(vertexVCVSOutput, vClipPlaneNormals[i]) + vClipPlaneDistances[i];"," if (rayDirRatio == 0.0)"," {"," if (equationResult < 0.0) dists.x = dists.y;"," continue;"," }"," float result = -1.0 * equationResult / rayDirRatio;"," if (rayDirRatio < 0.0) dists.y = min(dists.y, result);"," else dists.x = max(dists.x, result);","}","//VTK::ClipPlane::Impl"],!1).result}e.Fragment=o},e.getNeedToRebuildShaders=(n,r,o)=>{let i=0;o.getProperty().getShade()&&t.renderable.getBlendMode()===rl.COMPOSITE_BLEND&&(i=0,t.numberOfLights=0,r.getLights().forEach((e=>{e.getSwitch()>0&&(t.numberOfLights++,0===i&&(i=1)),1===i&&(t.numberOfLights>1||1!==e.getIntensity()||!e.lightTypeIsHeadLight())&&(i=2),i<3&&e.getPositional()&&(i=3)})));let a=!1;t.lastLightComplexity!==i&&(t.lastLightComplexity=i,a=!0);const s=t.scalarTexture.getComponents(),l=o.getProperty().getIndependentComponents();let u=!1;const c=[];if(l){for(let e=0;e0&&(u=!0)}const d=t.currentInput.getSpatialExtent(),p=t.currentInput.getSpacing(),f=new Float64Array(3);jt(f,(d[1]-d[0])*p[0],(d[3]-d[2])*p[1],(d[5]-d[4])*p[2]);const h=Gt(f)/e.getCurrentSampleDistance(r),m={interpolationType:o.getProperty().getInterpolationType(),useLabelOutline:o.getProperty().getUseLabelOutline(),numComp:s,usesProportionalComponents:u,iComps:l,maxSamples:h,useGradientOpacity:o.getProperty().getUseGradientOpacity(0),blendMode:t.renderable.getBlendMode(),proportionalComponents:c};return t.previousState&&t.previousState.interpolationType===m.interpolationType&&t.previousState.useLabelOutline===m.useLabelOutline&&t.previousState.numComp===m.numComp&&t.previousState.usesProportionalComponents===m.usesProportionalComponents&&t.previousState.iComps===m.iComps&&t.previousState.maxSamples===m.maxSamples&&t.previousState.useGradientOpacity===m.useGradientOpacity&&t.previousState.blendMode===m.blendMode&&function(e,t){if(e.length!==t.length)return!1;for(let n=0;n{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o),e.getClippingPlaneShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const i=n.getProgram();n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(i.isAttributeUsed("vertexDC")&&(n.getVAO().addAttributeArray(i,n.getCABO(),"vertexDC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||al("Error setting vertexDC in shader VAO.")),n.getAttributeUpdateTime().modified()),i.setUniformi("texture1",t.scalarTexture.getTextureUnit()),i.setUniformf("sampleDistance",e.getCurrentSampleDistance(r));const a=t.scalarTexture.getVolumeInfo(),s=t.renderable.getIpScalarRange(),l=[],u=[];for(let e=0;e<4;e++)l[e]=s[0]*a.dataComputedScale[e]+a.dataComputedOffset[e],u[e]=s[1]*a.dataComputedScale[e]+a.dataComputedOffset[e],l[e]=(l[e]-a.offset[e])/a.scale[e],u[e]=(u[e]-a.offset[e])/a.scale[e];if(i.setUniform4f("ipScalarRangeMin",l[0],l[1],l[2],l[3]),i.setUniform4f("ipScalarRangeMax",u[0],u[1],u[2],u[3]),null!==t.zBufferTexture){i.setUniformi("zBufferTexture",t.zBufferTexture.getTextureUnit());const e=t._useSmallViewport?[t._smallViewportWidth,t._smallViewportHeight]:t._openGLRenderWindow.getFramebufferSize();i.setUniformf("vpZWidth",e[0]),i.setUniformf("vpZHeight",e[1])}},e.setCameraShaderParameters=(n,r,o)=>{const i=t.openGLCamera.getKeyMatrices(r),a=t.openGLVolume.getKeyMatrices();y(t.modelToView,i.wcvc,a.mcwc);const s=n.getProgram(),l=t.openGLCamera.getRenderable(),u=l.getClippingRange();s.setUniformf("camThick",u[1]-u[0]),s.setUniformf("camNear",u[0]),s.setUniformf("camFar",u[1]);const c=t.currentInput.getBounds(),d=t.currentInput.getDimensions(),p=new Float64Array(3),f=new Float64Array(3);let h=1,g=-1,v=1,b=-1;for(let e=0;e<8;++e)jt(p,c[e%2],c[2+Math.floor(e/2)%2],c[4+Math.floor(e/4)]),Yt(p,p,t.modelToView),l.getParallelProjection()||(Kt(f,p),Ht(p,f,-u[0]/p[2])),Yt(p,p,i.vcpc),h=Math.min(p[0],h),g=Math.max(p[0],g),v=Math.min(p[1],v),b=Math.max(p[1],b);s.setUniformf("dcxmin",h),s.setUniformf("dcxmax",g),s.setUniformf("dcymin",v),s.setUniformf("dcymax",b),s.isUniformUsed("cameraParallel")&&s.setUniformi("cameraParallel",l.getParallelProjection());const x=t.currentInput.getSpatialExtent(),_=t.currentInput.getSpacing(),T=new Float64Array(3);jt(T,(x[1]-x[0])*_[0],(x[3]-x[2])*_[1],(x[5]-x[4])*_[2]),s.setUniform3f("vSpacing",_[0],_[1],_[2]),jt(p,x[0],x[2],x[4]),t.currentInput.indexToWorldVec3(p,p),Yt(p,p,t.modelToView),s.setUniform3f("vOriginVC",p[0],p[1],p[2]);const S=t.currentInput.getIndexToWorld();y(t.idxToView,t.modelToView,S),le(t.idxNormalMatrix,i.normalMatrix,a.normalMatrix),le(t.idxNormalMatrix,t.idxNormalMatrix,t.currentInput.getDirectionByReference());const w=Gt(T)/e.getCurrentSampleDistance(r);w>t.renderable.getMaximumSamplesPerRay()&&il(`The number of steps required ${Math.ceil(w)} is larger than the\n specified maximum number of steps ${t.renderable.getMaximumSamplesPerRay()}.\n Please either change the\n volumeMapper sampleDistance or its maximum number of samples.`);const C=new Float64Array(3);if(jt(C,1,1,1),function(e,t,n){e[0]=t[0]/n[0],e[1]=t[1]/n[1],e[2]=t[2]/n[2]}(C,C,T),s.setUniform3f("vVCToIJK",C[0],C[1],C[2]),s.setUniform3i("volumeDimensions",d[0],d[1],d[2]),!t._openGLRenderWindow.getWebgl2()){const e=t.scalarTexture.getVolumeInfo();s.setUniformf("texWidth",t.scalarTexture.getWidth()),s.setUniformf("texHeight",t.scalarTexture.getHeight()),s.setUniformi("xreps",e.xreps),s.setUniformi("xstride",e.xstride),s.setUniformi("ystride",e.ystride)}const A=new Float64Array(3),E=new Float64Array(3);for(let e=0;e<6;++e){switch(e){case 1:jt(A,-1,0,0),jt(E,x[0],x[2],x[4]);break;case 2:jt(A,0,1,0),jt(E,x[1],x[3],x[5]);break;case 3:jt(A,0,-1,0),jt(E,x[0],x[2],x[4]);break;case 4:jt(A,0,0,1),jt(E,x[1],x[3],x[5]);break;case 5:jt(A,0,0,-1),jt(E,x[0],x[2],x[4]);break;default:jt(A,1,0,0),jt(E,x[1],x[3],x[5])}Jt(A,A,t.idxNormalMatrix),Yt(E,E,t.idxToView);const n=-1*qt(E,A);s.setUniform3f(`vPlaneNormal${e}`,A[0],A[1],A[2]),s.setUniformf(`vPlaneDistance${e}`,n)}if(o.getProperty().getUseLabelOutline()){const n=t.currentInput.getWorldToIndex();s.setUniformMatrix("vWCtoIDX",n);const o=r.getActiveCamera(),[i,a]=o.getClippingRange(),l=o.getDistance();o.setClippingRange(l,l+.1);const u=t.openGLCamera.getKeyMatrices(r);m(t.projectionToWorld,u.wcpc),o.setClippingRange(i,a),t.openGLCamera.getKeyMatrices(r),s.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const c=e.getRenderTargetSize();s.setUniformf("vpWidth",c[0]),s.setUniformf("vpHeight",c[1]);const d=e.getRenderTargetOffset();s.setUniformf("vpOffsetX",d[0]/c[0]),s.setUniformf("vpOffsetY",d[1]/c[1])}if(m(t.projectionToView,i.vcpc),s.setUniformMatrix("PCVCMatrix",t.projectionToView),0===t.lastLightComplexity)return;let D=0;const I=[],O=[],P=[];if(r.getLights().forEach((e=>{if(e.getSwitch()>0){const t=e.getColor(),n=e.getIntensity();I[0+3*D]=t[0]*n,I[1+3*D]=t[1]*n,I[2+3*D]=t[2]*n;const r=e.getDirection();jt(A,r[0],r[1],r[2]),Jt(A,A,i.normalMatrix),Kt(A,A),O[0+3*D]=A[0],O[1+3*D]=A[1],O[2+3*D]=A[2],P[0+3*D]=-.5*A[0],P[1+3*D]=-.5*A[1],P[2+3*D]=-.5*(A[2]-1),D++}})),s.setUniformi("twoSidedLighting",r.getTwoSidedLighting()),s.setUniformi("lightNum",D),s.setUniform3fv("lightColor",I),s.setUniform3fv("lightDirectionVC",O),s.setUniform3fv("lightHalfAngleVC",P),3===t.lastLightComplexity){D=0;const e=[],n=[],o=[],i=[],a=[];r.getLights().forEach((r=>{if(r.getSwitch()>0){const s=r.getAttenuationValues();n[0+3*D]=s[0],n[1+3*D]=s[1],n[2+3*D]=s[2],i[D]=r.getExponent(),o[D]=r.getConeAngle(),a[D]=r.getPositional();const l=r.getTransformedPosition();Yt(l,l,t.modelToView),e[0+3*D]=l[0],e[1+3*D]=l[1],e[2+3*D]=l[2],D+=1}})),s.setUniform3fv("lightPositionVC",e),s.setUniform3fv("lightAttenuation",n),s.setUniformfv("lightConeAngle",o),s.setUniformfv("lightExponent",i),s.setUniformiv("lightPositional",a)}if(t.renderable.getVolumetricScatteringBlending()>0&&(s.setUniformf("giReach",t.renderable.getGlobalIlluminationReach()),s.setUniformf("volumetricScatteringBlending",t.renderable.getVolumetricScatteringBlending()),s.setUniformf("volumeShadowSamplingDistFactor",t.renderable.getVolumeShadowSamplingDistFactor()),s.setUniformf("anisotropy",t.renderable.getAnisotropy()),s.setUniformf("anisotropy2",t.renderable.getAnisotropy()**2)),t.renderable.getLocalAmbientOcclusion()&&o.getProperty().getAmbient()>0){const e=t.renderable.getLAOKernelSize();s.setUniformi("kernelSize",e);const n=[];for(let t=0;t{const o=e.getProgram();o.setUniformi("ctexture",t.colorTexture.getTextureUnit()),o.setUniformi("otexture",t.opacityTexture.getTextureUnit()),o.setUniformi("jtexture",t.jitterTexture.getTextureUnit()),o.setUniformi("ttexture",t.labelOutlineThicknessTexture.getTextureUnit());const i=t.scalarTexture.getVolumeInfo(),a=r.getProperty(),s=t.scalarTexture.getComponents(),l=r.getProperty().getIndependentComponents();if(l&&s>=2)for(let e=0;e0&&(o.setUniformf("vAmbient",a.getAmbient()),o.setUniformf("vDiffuse",a.getDiffuse()),o.setUniformf("vSpecular",a.getSpecular()),o.setUniformf("vSpecularPower",a.getSpecularPower()))},e.getClippingPlaneShaderParameters=(e,n,r)=>{if(t.renderable.getClippingPlanes().length>0){const r=t.openGLCamera.getKeyMatrices(n),o=[],i=[],a=[],s=t.renderable.getClippingPlanes(),l=s.length;for(let e=0;e{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.getRenderTargetSize=()=>{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getCurrentSampleDistance=e=>{const n=e.getVTKWindow().getInteractor(),r=t.renderable.getSampleDistance();return n.isAnimating()?r*t.renderable.getInteractionSampleDistanceFactor():r},e.renderPieceStart=(n,r)=>{const o=n.getVTKWindow().getInteractor();if(t._lastScale||(t._lastScale=t.renderable.getInitialInteractionScale()),t._useSmallViewport=!1,o.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._animationRateSubscription||(t._animationRateSubscription=o.onAnimationFrameRateUpdate((()=>{if(t.renderable.getAutoAdjustSampleDistances()){const e=o.getRecentAnimationFrameRate(),n=o.getDesiredUpdateRate()/e;(n>1.15||n<.85)&&(t._lastScale*=n),t._lastScale>400&&(t._lastScale=400),t._lastScale<1.5&&(t._lastScale=1.5)}else t._lastScale=t.renderable.getImageSampleDistance()*t.renderable.getImageSampleDistance()}))),t._useSmallViewport){const e=t._openGLRenderWindow.getFramebufferSize(),n=1/Math.sqrt(t._lastScale);if(t._smallViewportWidth=Math.ceil(n*e[0]),t._smallViewportHeight=Math.ceil(n*e[1]),t._smallViewportHeight>e[1]&&(t._smallViewportHeight=e[1]),t._smallViewportWidth>e[0]&&(t._smallViewportWidth=e[0]),t.framebuffer.saveCurrentBindingsAndBuffers(),null===t.framebuffer.getGLFramebuffer())t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer();else{const n=t.framebuffer.getSize();n[0]===e[0]&&n[1]===e[1]||(t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer())}t.framebuffer.bind();const r=t.context;r.clearColor(0,0,0,0),r.colorMask(!0,!0,!0,!0),r.clear(r.COLOR_BUFFER_BIT),r.viewport(0,0,t._smallViewportWidth,t._smallViewportHeight),t.fvp=[t._smallViewportWidth/e[0],t._smallViewportHeight/e[1]]}t.context.disable(t.context.DEPTH_TEST),e.updateBufferObjects(n,r),r.getProperty().getInterpolationType()===el.NEAREST?(t.scalarTexture.setMinificationFilter(Qa.NEAREST),t.scalarTexture.setMagnificationFilter(Qa.NEAREST)):(t.scalarTexture.setMinificationFilter(Qa.LINEAR),t.scalarTexture.setMagnificationFilter(Qa.LINEAR)),t.lastBoundBO=null,null!==t.zBufferTexture&&t.zBufferTexture.activate()},e.renderPieceDraw=(n,r)=>{const o=t.context;t.scalarTexture.activate(),t.opacityTexture.activate(),t.labelOutlineThicknessTexture.activate(),t.colorTexture.activate(),t.jitterTexture.activate(),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.scalarTexture.deactivate(),t.colorTexture.deactivate(),t.opacityTexture.deactivate(),t.labelOutlineThicknessTexture.deactivate(),t.jitterTexture.deactivate()},e.renderPieceFinish=(e,n)=>{if(null!==t.zBufferTexture&&t.zBufferTexture.deactivate(),t._useSmallViewport){if(t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader){t.copyShader=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","uniform vec2 tfactor;","varying vec2 tcoord;","void main() { tcoord = vec2(vertexDC.x*0.5 + 0.5, vertexDC.y*0.5 + 0.5) * tfactor; gl_Position = vertexDC; }"].join("\n"),["//VTK::System::Dec","//VTK::Output::Dec","uniform sampler2D texture1;","varying vec2 tcoord;","void main() { gl_FragData[0] = texture2D(texture1,tcoord); }"].join("\n"),"");const e=t.copyShader;t.copyVAO=Ia.newInstance(),t.copyVAO.setOpenGLRenderWindow(t._openGLRenderWindow),t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(e,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||al("Error setting vertexDC in copy shader VAO.")}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(t.copyShader);const e=t._openGLRenderWindow.getFramebufferSize();t.context.viewport(0,0,e[0],e[1]);const n=t.framebuffer.getColorTexture();n.activate(),t.copyShader.setUniformi("texture",n.getTextureUnit()),t.copyShader.setUniform2f("tfactor",t.fvp[0],t.fvp[1]);const r=t.context;r.blendFuncSeparate(r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA),t.context.drawArrays(t.context.TRIANGLES,0,t.tris.getCABO().getElementCount()),n.deactivate(),r.blendFuncSeparate(r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):al("No input!")},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():yr(t.Bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const o=t.currentInput;if(!o)return;const i=o.getPointData()&&o.getPointData().getScalars();if(!i)return;t._scalars!==i&&(t._openGLRenderWindow.releaseGraphicsResourcesForObject(t._scalars),t._scalars=i);const a=r.getProperty();if(!t.jitterTexture.getHandle()){const e=new Uint8Array(1024);for(let t=0;t<1024;++t)e[t]=255*Math.random();t.jitterTexture.setMinificationFilter(Qa.LINEAR),t.jitterTexture.setMagnificationFilter(Qa.LINEAR),t.jitterTexture.create2DFromRaw(32,32,1,on.UNSIGNED_CHAR,e)}const s=i.getNumberOfComponents(),l=a.getIndependentComponents()?s:1,u=a.getScalarOpacity(),c=t._openGLRenderWindow.getGraphicsResourceForObject(u);let d=sl(a,u,l);if(c.vtkObj&&c.hash===d&&t.opacityTextureString===d)t.opacityTexture=c.vtkObj,t.opacityTextureString=c.hash;else{const r=1024,o=2*r*l,i=new Float32Array(o),s=new Float32Array(r);for(let t=0;t1?1:-1,e[3*t+2]=-1;const n=new Uint16Array(8);n[0]=3,n[1]=0,n[2]=1,n[3]=3,n[4]=3,n[5]=0,n[6]=3,n[7]=2;const r=Wr.newInstance({numberOfComponents:3,values:e});r.setName("points");const 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lu(e,t){t.classHierarchy.push("vtkWebGPUFullScreenQuad"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position"),r.addOutput("vec4","vertexVC");let o=r.getCode();o=Fl.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4(vertexBC, 1.0);","output.vertexVC = vec4(vertexBC, 1);"]).result,r.setCode(o)},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.updateBuffers=()=>{const e=t.device.getBufferManager().getFullScreenQuadBuffer();t.vertexInput.addBuffer(e,["vertexBC"]),t.numberOfVertices=6}}const uu={};function cu(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uu,n),su.extend(e,t,n),lu(e,t)}var du={newInstance:gt.newInstance(cu,"vtkWebGPUFullScreenQuad"),extend:cu},pu={BufferUsage:{Verts:0,Lines:1,Triangles:2,Strips:3,LinesFromStrips:4,LinesFromTriangles:5,Points:6,UniformArray:7,PointArray:8,NormalsFromPoints:9,Texture:10,RawVertex:11,Storage:12,Index:13},PrimitiveTypes:{Start:0,Points:0,Lines:1,Triangles:2,TriangleStrips:3,TriangleEdges:4,TriangleStripEdges:5,End:6}};const fu=["getMappedRange","mapAsync","unmap"];function hu(e,t){t.classHierarchy.push("vtkWebGPUBuffer"),e.create=(e,n)=>{t.handle=t.device.getHandle().createBuffer({size:e,usage:n,label:t.label}),t.sizeInBytes=e,t.usage=n},e.write=e=>{!function(e,t,n,r){const o=r.byteLength,i=e.createBuffer({size:o,usage:GPUBufferUsage.COPY_SRC,mappedAtCreation:!0}),a=i.getMappedRange(0,o);new Uint8Array(a).set(new Uint8Array(r)),i.unmap();const s=e.createCommandEncoder();s.copyBufferToBuffer(i,0,t,0,o);const 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_u(e,t){t.classHierarchy.push("vtkProperty"),e.setColor=(n,r,o)=>{Array.isArray(n)?t.color[0]===n[0]&&t.color[1]===n[1]&&t.color[2]===n[2]||(t.color[0]=n[0],t.color[1]=n[1],t.color[2]=n[2],e.modified()):t.color[0]===n&&t.color[1]===r&&t.color[2]===o||(t.color[0]=n,t.color[1]=r,t.color[2]=o,e.modified()),e.setDiffuseColor(t.color),e.setAmbientColor(t.color),e.setSpecularColor(t.color)},e.computeCompositeColor=xu("ComputeCompositeColor"),e.getColor=()=>{let e=0;t.ambient+t.diffuse+t.specular>0&&(e=1/(t.ambient+t.diffuse+t.specular));for(let n=0;n<3;n++)t.color[n]=e*(t.ambient*t.ambientColor[n]+t.diffuse*t.diffuseColor[n]+t.specular*t.specularColor[n]);return[].concat(t.color)},e.setSpecularPower=n=>{const 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Tu={color:[1,1,1],ambientColor:[1,1,1],diffuseColor:[1,1,1],specularColor:[1,1,1],edgeColor:[0,0,0],ambient:0,diffuse:1,metallic:0,roughness:.6,normalStrength:1,emission:1,baseIOR:1.45,specular:0,specularPower:1,opacity:1,interpolation:bu.GOURAUD,representation:yu.SURFACE,edgeVisibility:!1,backfaceCulling:!1,frontfaceCulling:!1,pointSize:1,lineWidth:1,lighting:!0,shading:!1,materialName:null};function Su(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Tu,n),gt.obj(e,t),gt.setGet(e,t,["lighting","interpolation","ambient","diffuse","metallic","roughness","normalStrength","emission","baseIOR","specular","specularPower","opacity","edgeVisibility","lineWidth","pointSize","backfaceCulling","frontfaceCulling","representation","diffuseTexture","metallicTexture","roughnessTexture","normalTexture","ambientOcclusionTexture","emissionTexture"]),gt.setGetArray(e,t,["ambientColor","specularColor","diffuseColor","edgeColor"],3),_u(e,t)}var wu={newInstance:gt.newInstance(Su,"vtkProperty"),extend:Su,...ca};const{Representation:Cu}=wu,{PrimitiveTypes:Au}=pu;class Eu{constructor(){this.keys=new Uint32Array(10),this.values=new Uint32Array(10),this.count=0}clear(){this.count=0}has(e){for(let t=0;t2)for(let i=0;i2){for(let i=0;i{const n=e.cells,r=e.primitiveType,o=e.representation,i=e.cellOffset,a=n.getData(),s=a.length,l=function(e){switch(e){case Au.Points:return"points";case Au.Lines:return"lines";case Au.Triangles:case Au.TriangleEdges:return"polys";case Au.TriangleStripEdges:case Au.TriangleStrips:return"strips";default:return""}}(r),u=e.numberOfPoints,c={provokedPointIds:new Uint8Array(u),extraPoints:0,iboSize:0,flatId:0,iboId:0,cellProvokedMap:new Eu};let d=null;d=o===Cu.POINTS||r===Au.Points?Fu.anythingToPoints:o===Cu.WIREFRAME||r===Au.Lines?Fu[`${l}ToWireframe`]:Fu[`${l}ToSurface`],Pu=Ou;let p=i||0;for(let e=0;e2&&void 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2:t+="x2";break;case 3:t.includes("32")||Gu(`unsupported x3 type for ${t}`),t+="x3";break;case 4:t+="x4"}return t}(t),o={hash:`${t.getMTime()}I${n.getMTime()}${r}`,usage:Uu.PointArray,format:r,dataArray:t,indexBuffer:n};return e.getBuffer(o)},e.getFullScreenQuadBuffer=()=>{if(t.fullScreenQuadBuffer)return t.fullScreenQuadBuffer;t.fullScreenQuadBuffer=vu.newInstance(),t.fullScreenQuadBuffer.setDevice(t.device);const e=new Float32Array([-1,-1,0,1,-1,0,1,1,0,-1,-1,0,1,1,0,-1,1,0]);return t.fullScreenQuadBuffer.createAndWrite(e,GPUBufferUsage.VERTEX),t.fullScreenQuadBuffer.setStrideInBytes(12),t.fullScreenQuadBuffer.setArrayInformation([{offset:0,format:"float32x3"}]),t.fullScreenQuadBuffer}}const Xu={device:null,fullScreenQuadBuffer:null};function Ku(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Xu,n),je(e,t),$e(e,t,["device"]),Hu(e,t)}var qu={newInstance:rt(Ku),extend:Ku,...pu};const{BufferUsage:$u}=qu,{vtkErrorMacro:Yu}=gt;function Ju(e,t){t.classHierarchy.push("vtkWebGPUStorageBuffer"),e.addEntry=(e,n)=>{if(t._bufferEntryNames.has(e))return void Yu(`entry named ${e} already exists`);t._bufferEntryNames.set(e,t.bufferEntries.length);const r=$l(n);t.bufferEntries.push({name:e,type:n,sizeInBytes:r,offset:t.sizeInBytes,nativeType:Yl(n)}),t.sizeInBytes+=r},e.send=e=>{if(!t._buffer){const n={nativeArray:t.Float32Array,usage:$u.Storage,label:t.label};return t._buffer=e.getBufferManager().getBuffer(n),t.bindGroupTime.modified(),void t._sendTime.modified()}e.getHandle().queue.writeBuffer(t._buffer.getHandle(),0,t.arrayBuffer,0,t.sizeInBytes*t.numberOfInstances),t._sendTime.modified()},e.createView=e=>{e in t==0&&(t.arrayBuffer||(t.arrayBuffer=new ArrayBuffer(t.sizeInBytes*t.numberOfInstances)),t[e]=gt.newTypedArray(e,t.arrayBuffer))},e.setValue=(n,r,o)=>{const i=t._bufferEntryNames.get(n);if(void 0===i)return void Yu(`entry named ${n} not found in UBO`);const a=t.bufferEntries[i];e.createView(a.nativeType);const 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e=0;et._sendTime.getMTime(),e.getShaderCode=(e,n)=>{const r=[`struct ${t.label}StructEntry\n{`];for(let e=0;e,\n};\n@binding(${e}) @group(${n}) var ${t.label}: ${t.label}Struct;\n`),r.join("\n")},e.getBindGroupEntry=()=>({resource:{buffer:t._buffer.getHandle()}}),e.clearData=()=>{t.numberOfInstances=0,t.sizeInBytes=0,t.bufferEntries=[],t._bufferEntryNames=new Map,t._buffer=null,delete t.arrayBuffer,delete t.Float32Array}}const Qu={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,numberOfInstances:1};function Zu(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Qu,n),gt.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t._sendTime={},gt.obj(t._sendTime,{mtime:0}),t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"read-only-storage"}},gt.get(e,t,["bindGroupTime"]),gt.setGet(e,t,["device","bindGroupLayoutEntry","label","numberOfInstances","sizeInBytes"]),Ju(e,t)}var ec={newInstance:gt.newInstance(Zu,"vtkWebGPUStorageBuffer"),extend:Zu};const{BufferUsage:tc}=qu,{vtkErrorMacro:nc}=gt;function rc(e,t){t.classHierarchy.push("vtkWebGPUUniformBuffer"),e.addEntry=(e,n)=>{t._bufferEntryNames.has(e)?nc(`entry named ${e} already exists`):(t.sortDirty=!0,t._bufferEntryNames.set(e,t.bufferEntries.length),t.bufferEntries.push({name:e,type:n,sizeInBytes:$l(n),offset:-1,nativeType:Yl(n),packed:!1}))},e.sortBufferEntries=()=>{if(!t.sortDirty)return;let e=0;const n=[];let r=4;for(let e=0;e4&&(o.packed=!0,o.offset=e,n.push(o),e+=o.sizeInBytes)}for(let r=0;r{if(!t.UBO){const n={nativeArray:t.Float32Array,usage:tc.UniformArray,label:t.label};t.UBO=e.getBufferManager().getBuffer(n),t.bindGroupTime.modified(),t.sendDirty=!1}t.sendDirty&&(e.getHandle().queue.writeBuffer(t.UBO.getHandle(),0,t.arrayBuffer,0,t.sizeInBytes),t.sendDirty=!1),t.sendTime.modified()},e.createView=e=>{e in t==0&&(t.arrayBuffer||(t.arrayBuffer=new ArrayBuffer(t.sizeInBytes)),t[e]=gt.newTypedArray(e,t.arrayBuffer))},e.setValue=(n,r)=>{e.sortBufferEntries();const o=t._bufferEntryNames.get(n);if(void 0===o)return void nc(`entry named ${n} not found in UBO`);const i=t.bufferEntries[o];e.createView(i.nativeType);const a=t[i.nativeType];i.lastValue!==r&&(a[i.offset/a.BYTES_PER_ELEMENT]=r,t.sendDirty=!0),i.lastValue=r},e.setArray=(n,r)=>{e.sortBufferEntries();const o=t._bufferEntryNames.get(n);if(void 0===o)return void nc(`entry named ${n} not found in UBO`);const i=t.bufferEntries[o];e.createView(i.nativeType);const a=t[i.nativeType];let s=!1;for(let e=0;e({resource:{buffer:t.UBO.getHandle()}}),e.getSendTime=()=>t.sendTime.getMTime(),e.getShaderCode=(n,r)=>{e.sortBufferEntries();const o=[`struct ${t.label}Struct\n{`];for(let e=0;e ${t.label}: ${t.label}Struct;`),o.join("\n")}}const oc={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,bindGroupLayoutEntry:null,bindGroupEntry:null};function ic(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,oc,n),gt.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"uniform"}},t.sendTime={},gt.obj(t.sendTime,{mtime:0}),t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),t.sendDirty=!0,t.sortDirty=!0,gt.get(e,t,["binding","bindGroupTime"]),gt.setGet(e,t,["bindGroupLayoutEntry","device","label","sizeInBytes"]),rc(e,t)}var ac={newInstance:gt.newInstance(ic,"vtkWebGPUUniformBuffer"),extend:ic};const{vtkDebugMacro:sc}=vt,lc="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = mapperUBO.BackgroundColor;\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n",uc=new Float64Array(16),cc=new Float64Array(16);function dc(e,t){t.classHierarchy.push("vtkWebGPURenderer"),e.buildPass=n=>{if(n){if(!t.renderable)return;t.camera=t.renderable.getActiveCamera(),e.updateLights(),e.prepareNodes(),e.addMissingNode(t.camera),e.addMissingNodes(t.renderable.getViewPropsWithNestedProps()),e.removeUnusedNodes(),t.webgpuCamera=e.getViewNodeFor(t.camera),e.updateStabilizedMatrix()}},e.updateStabilizedMatrix=()=>{const e=t.camera.getClippingRange(),n=t.camera.getPositionByReference(),r=[],o=[];Ht(o,t.camera.getDirectionOfProjectionByReference(),.5*(e[0]+e[1])),function(e,t,n){e[0]=t[0]+n[0],e[1]=t[1]+n[1],e[2]=t[2]+n[2]}(r,n,o),tn(o,r,t.stabilizedCenter),nn(o)/(e[1]-e[0])>t.recenterThreshold&&(t.stabilizedCenter=r,t.stabilizedTime.modified())},e.updateLights=()=>{let e=0;const n=t.renderable.getLightsByReference();for(let t=0;t0&&e++;return e||(sc("No lights are on, creating one."),t.renderable.createLight()),e},e.updateUBO=()=>{const n=t.UBO.getSendTime();if(t._parent.getMTime()>n||e.getMTime()>n||t.camera.getMTime()>n||t.renderable.getMTime()>n){const n=t.webgpuCamera.getKeyMatrices(e);t.UBO.setArray("WCVCMatrix",n.wcvc),t.UBO.setArray("SCPCMatrix",n.scpc),t.UBO.setArray("PCSCMatrix",n.pcsc),t.UBO.setArray("SCVCMatrix",n.scvc),t.UBO.setArray("VCPCMatrix",n.vcpc),t.UBO.setArray("WCVCNormals",n.normalMatrix),t.UBO.setValue("LightCount",t.renderable.getLights().length),t.UBO.setValue("MaxEnvironmentMipLevel",t.renderable.getEnvironmentTexture()?.getMipLevel()),t.UBO.setValue("BackgroundDiffuseStrength",t.renderable.getEnvironmentTextureDiffuseStrength()),t.UBO.setValue("BackgroundSpecularStrength",t.renderable.getEnvironmentTextureSpecularStrength());const r=e.getYInvertedTiledSizeAndOrigin();t.UBO.setArray("viewportSize",[r.usize,r.vsize]),t.UBO.setValue("cameraParallel",t.camera.getParallelProjection());const o=t._parent.getDevice();t.UBO.sendIfNeeded(o)}},e.updateSSBO=()=>{const n=t.renderable.getLights(),r=t.webgpuCamera.getKeyMatrices(e);let o=`${t.renderable.getMTime()}`;for(let e=0;e=90?0:2:1,s[l+1]=Math.cos(xn(n[t].getConeAngle())),s[l+2]=Math.cos(xn(n[t].getConeAngle()+n[t].getConeFalloff())),s[l+3]=0}t.SSBO.clearData(),t.SSBO.setNumberOfInstances(n.length),t.SSBO.addEntry("LightPos","vec4"),t.SSBO.addEntry("LightDir","vec4"),t.SSBO.addEntry("LightColor","vec4"),t.SSBO.addEntry("LightData","vec4"),t.SSBO.setAllInstancesFromArray("LightPos",e),t.SSBO.setAllInstancesFromArray("LightDir",o),t.SSBO.setAllInstancesFromArray("LightColor",a),t.SSBO.setAllInstancesFromArray("LightData",s);const l=t._parent.getDevice();t.SSBO.send(l)}var i;t.lightTimeString=o},e.scissorAndViewport=t=>{const n=e.getYInvertedTiledSizeAndOrigin();t.getHandle().setViewport(n.lowerLeftU,n.lowerLeftV,n.usize,n.vsize,0,1),t.getHandle().setScissorRect(n.lowerLeftU,n.lowerLeftV,n.usize,n.vsize)},e.bindUBO=e=>{e.activateBindGroup(t.bindGroup)},e.opaquePass=n=>{n?(t.renderEncoder.begin(t._parent.getCommandEncoder()),e.updateUBO(),e.updateSSBO()):(e.scissorAndViewport(t.renderEncoder),e.clear(),t.renderEncoder.end())},e.clear=()=>{if(t.renderable.getTransparent()||t.suppressClear)return;const n=t._parent.getDevice();if(!t.clearFSQ){t.clearFSQ=du.newInstance(),t.clearFSQ.setDevice(n),t.clearFSQ.setPipelineHash("clearfsq"),t.clearFSQ.setFragmentShaderTemplate(lc);const e=ac.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e),t.backgroundTex=t.renderable.getEnvironmentTexture()}if("clearfsqwithtexture"!==t.clearFSQ.getPipelineHash()&&t.renderable.getUseEnvironmentTextureAsBackground()&&t.backgroundTex?.getImageLoaded()){t.clearFSQ.setFragmentShaderTemplate("\nfn vecToRectCoord(dir: vec3) -> vec2 {\n var tau: f32 = 6.28318530718;\n var pi: f32 = 3.14159265359;\n var out: vec2 = vec2(0.0);\n\n out.x = atan2(dir.z, dir.x) / tau;\n out.x += 0.5;\n\n var phix: f32 = length(vec2(dir.x, dir.z));\n out.y = atan2(dir.y, phix) / pi + 0.5;\n\n return out;\n}\n\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var tcoord: vec4 = vec4(input.vertexVC.xy, -1, 1);\n var V: vec4 = normalize(mapperUBO.FSQMatrix * tcoord); // vec2((input.tcoordVS.x - 0.5) * 2, -(input.tcoordVS.y - 0.5) * 2);\n // textureSampleLevel gets rid of some ugly artifacts\n var background = textureSampleLevel(EnvironmentTexture, EnvironmentTextureSampler, vecToRectCoord(V.xyz), 0);\n var computedColor: vec4 = vec4(background.rgb, 1);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n");const e=ac.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e);const r=n.getTextureManager().getTextureForVTKTexture(t.backgroundTex);if(r.getReady()){const e=r.createView("EnvironmentTexture");t.clearFSQ.setTextureViews([e]),t.backgroundTexLoaded=!0;const o=t.backgroundTex.getInterpolate()?"linear":"nearest";e.addSampler(n,{addressModeU:"repeat",addressModeV:"clamp-to-edge",addressModeW:"repeat",minFilter:o,magFilter:o,mipmapFilter:"linear"})}t.clearFSQ.setPipelineHash("clearfsqwithtexture")}else if("clearfsqwithtexture"===t.clearFSQ.getPipelineHash()&&!t.renderable.getUseEnvironmentTextureAsBackground()){t.clearFSQ=du.newInstance(),t.clearFSQ.setDevice(n),t.clearFSQ.setPipelineHash("clearfsq"),t.clearFSQ.setFragmentShaderTemplate(lc);const e=ac.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e)}const r=t.webgpuCamera.getKeyMatrices(e),o=t.renderable.getBackgroundByReference();t.clearFSQ.getUBO().setArray("BackgroundColor",o),h(cc,r.normalMatrix),re(uc,r.scvc,r.pcsc),re(uc,cc,uc),t.clearFSQ.getUBO().setArray("FSQMatrix",uc),t.clearFSQ.getUBO().sendIfNeeded(n),t.clearFSQ.prepareAndDraw(t.renderEncoder)},e.translucentPass=n=>{n?t.renderEncoder.begin(t._parent.getCommandEncoder()):(e.scissorAndViewport(t.renderEncoder),t.renderEncoder.end())},e.volumeDepthRangePass=n=>{n?t.renderEncoder.begin(t._parent.getCommandEncoder()):(e.scissorAndViewport(t.renderEncoder),t.renderEncoder.end())},e.getAspectRatio=()=>{const e=t._parent.getSizeByReference(),n=t.renderable.getViewportByReference();return e[0]*(n[2]-n[0])/((n[3]-n[1])*e[1])},e.convertToOpenGLDepth=e=>t.webgpuCamera.convertToOpenGLDepth(e),e.getYInvertedTiledSizeAndOrigin=()=>{const n=e.getTiledSizeAndOrigin(),r=t._parent.getSizeByReference();return n.lowerLeftV=r[1]-n.vsize-n.lowerLeftV,n},e.getTiledSizeAndOrigin=()=>{const e=t.renderable.getViewportByReference(),n=[0,0,1,1],r=e[0]-n[0],o=e[1]-n[1],i=t._parent.normalizedDisplayToDisplay(r,o),a=Math.round(i[0]),s=Math.round(i[1]),l=e[2]-n[0],u=e[3]-n[1],c=t._parent.normalizedDisplayToDisplay(l,u);let d=Math.round(c[0])-a,p=Math.round(c[1])-s;return d<0&&(d=0),p<0&&(p=0),{usize:d,vsize:p,lowerLeftU:a,lowerLeftV:s}},e.getPropFromID=e=>{for(let n=0;nt.stabilizedTime.getMTime(),e.releaseGraphicsResources=()=>{null!==t.selector&&t.selector.releaseGraphicsResources()}}const pc={bindGroup:null,selector:null,renderEncoder:null,recenterThreshold:20,suppressClear:!1,stabilizedCenter:[0,0,0]};const fc=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,pc,n),Tt.extend(e,t,n),t.UBO=ac.newInstance({label:"rendererUBO"}),t.UBO.addEntry("WCVCMatrix","mat4x4"),t.UBO.addEntry("SCPCMatrix","mat4x4"),t.UBO.addEntry("PCSCMatrix","mat4x4"),t.UBO.addEntry("SCVCMatrix","mat4x4"),t.UBO.addEntry("VCPCMatrix","mat4x4"),t.UBO.addEntry("WCVCNormals","mat4x4"),t.UBO.addEntry("viewportSize","vec2"),t.UBO.addEntry("LightCount","i32"),t.UBO.addEntry("MaxEnvironmentMipLevel","f32"),t.UBO.addEntry("BackgroundDiffuseStrength","f32"),t.UBO.addEntry("BackgroundSpecularStrength","f32"),t.UBO.addEntry("cameraParallel","u32"),t.SSBO=ec.newInstance({label:"rendererLightSSBO"}),t.lightTimeString="",t.bindGroup=El.newInstance({label:"rendererBG"}),t.bindGroup.setBindables([t.UBO,t.SSBO]),t.tmpMat4=f(new Float64Array(16)),t.stabilizedTime={},je(t.stabilizedTime,{mtime:0}),He(e,t,["bindGroup","stabilizedTime"]),Ye(e,t,["stabilizedCenter"]),$e(e,t,["renderEncoder","selector","suppressClear","UBO"]),dc(e,t)}),"vtkWebGPURenderer");function hc(e,t){t.classHierarchy.push("vtkWebGPUSampler"),e.create=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};t.device=e,t.options.addressModeU=n.addressModeU?n.addressModeU:"clamp-to-edge",t.options.addressModeV=n.addressModeV?n.addressModeV:"clamp-to-edge",t.options.addressModeW=n.addressModeW?n.addressModeW:"clamp-to-edge",t.options.magFilter=n.magFilter?n.magFilter:"nearest",t.options.minFilter=n.minFilter?n.minFilter:"nearest",t.options.mipmapFilter=n.mipmapFilter?n.mipmapFilter:"nearest",t.options.label=t.label,t.handle=t.device.getHandle().createSampler(t.options),t.bindGroupTime.modified()},e.getShaderCode=(e,n)=>`@binding(${e}) @group(${n}) var ${t.label}: sampler;`,e.getBindGroupEntry=()=>({resource:t.handle})}gl("vtkRenderer",fc);const mc={device:null,handle:null,label:null,options:null};function gc(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,mc,n),gt.obj(e,t),t.options={},t.bindGroupLayoutEntry={visibility:GPUShaderStage.VERTEX|GPUShaderStage.FRAGMENT,sampler:{}},t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),gt.get(e,t,["bindGroupTime","handle","options"]),gt.setGet(e,t,["bindGroupLayoutEntry","device","label"]),hc(e,t)}var vc={newInstance:gt.newInstance(gc),extend:gc};const{SlicingMode:yc}=Is,bc="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Image::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n //VTK::Image::Sample\n\n // var computedColor: vec4 = vec4(1.0,0.7, 0.5, 1.0);\n\n//VTK::RenderEncoder::Impl\n\n return output;\n}\n",xc=new Float64Array(16),_c=new Float64Array(16),Tc=new Float64Array(16),Sc=new Float64Array(4),wc=new Float64Array(4);function Cc(e,t){t.classHierarchy.push("vtkWebGPUImageMapper"),e.buildPass=n=>{if(n){t.WebGPUImageSlice=e.getFirstAncestorOfType("vtkWebGPUImageSlice"),t.WebGPURenderer=t.WebGPUImageSlice.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent(),t.device=t.WebGPURenderWindow.getDevice();const n=t.WebGPURenderer.getRenderable();t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(n.getActiveCamera())}},e.translucentPass=t=>{t&&e.render()},e.opaquePass=t=>{t&&e.render()},e.render=()=>{t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.prepareToDraw(t.WebGPURenderer.getRenderEncoder()),t.renderEncoder.registerDrawCallback(t.pipeline,e.draw)},e.computePipelineHash=()=>{const e=t.currentInput.getExtent();e[0]===e[1]||e[2]===e[3]||e[4]===e[5]?(t.dimensions=2,t.pipelineHash="img2"):(t.dimensions=3,t.pipelineHash="img3")},e.updateUBO=()=>{const n=t.UBO.getSendTime(),r=t.WebGPUImageSlice.getRenderable(),o=r.getMapper();if(e.getMTime()>n||t.renderable.getMTime()>n||r.getProperty().getMTime()>n){const e=o.getInputData(),n=t.WebGPURenderer.getStabilizedCenterByReference();f(xc),b(xc,xc,n);const i=r.getMatrix();h(_c,i),m(_c,_c),y(xc,_c,xc);const a=e.getWorldToIndex();y(xc,a,xc),m(Tc,xc),C(_c,[.5,.5,.5]),y(xc,_c,xc);const s=e.getDimensions();f(_c),x(_c,_c,[1/s[0],1/s[1],1/s[2]]),y(xc,_c,xc),t.UBO.setArray("SCTCMatrix",xc);const l=t.currentInput.getExtent(),{ijkMode:u}=t.renderable.getClosestIJKAxis();let c=t.renderable.getSlice();u!==t.renderable.getSlicingMode()&&(c=t.renderable.getSliceAtPosition(c));let d=2,p=0,g=1;u===yc.I?(d=0,p=1,g=2):u===yc.J&&(d=1,p=2,g=0),Sc[d]=c,Sc[p]=l[2*p]-.5,Sc[g]=l[2*g]-.5,Sc[3]=1,Mo(Sc,Sc,Tc),t.UBO.setArray("Origin",Sc),wc[d]=c,wc[p]=l[2*p+1]+.5,wc[g]=l[2*g]-.5,wc[3]=1,Mo(wc,wc,Tc),No(wc,wc,Sc),wc[3]=1,t.UBO.setArray("Axis1",wc),wc[d]=c,wc[p]=l[2*p]-.5,wc[g]=l[2*g+1]+.5,wc[3]=1,Mo(wc,wc,Tc),No(wc,wc,Sc),wc[3]=1,t.UBO.setArray("Axis2",wc);const v=[1,1,1,1],_=[0,0,0,0],T=t.textureViews[0],S=T.getTexture().getScale(),w=T.getTexture().getNumberOfComponents();for(let e=0;e{const n=t.WebGPUImageSlice.getRenderable().getProperty();e.getTextureViews()[0].getTexture().getNumberOfComponents();const r=function(e,t,n){if(t.apply(e)){const t=e.getIndependentComponents();return`${e.getMTime()}-${t}-1`}return"0"}(n,n.getRGBTransferFunction);if(t.colorTextureString!==r){t.numRows=1;const e=new Uint8Array(2*t.numRows*t.rowLength*4);let o=n.getRGBTransferFunction();if(o){const r=new Float32Array(3*t.rowLength);for(let i=0;i<1;i++){o=n.getRGBTransferFunction(i);const a=o.getRange();o.getTable(a[0],a[1],t.rowLength,r,1);for(let n=0;n{n();const r=t.device.getTextureManager().getTextureForImageData(t.currentInput),o=t.textureViews;if(!o[0]||o[0].getTexture()!==r){const e=r.createView("imgTexture");o[0]=e}e.updateLUTImage(),e.updateUBO();const i=t.WebGPUImageSlice.getRenderable().getProperty().getInterpolationType()===Ts?"nearest":"linear";t.clampSampler&&i===t.clampSampler.getOptions().minFilter||(t.clampSampler=vc.newInstance({label:"clampSampler"}),t.clampSampler.create(t.device,{minFilter:i,magFilter:i}),t.additionalBindables=[t.clampSampler])};const r=e.getShaderReplacements();e.replaceShaderPosition=(e,n,r)=>{const o=n.getShaderDescription("vertex");o.addBuiltinOutput("vec4","@builtin(position) Position");let i=o.getCode();const a=["var pos: vec4 = mapperUBO.Origin +"," (vertexBC.x * 0.5 + 0.5) * mapperUBO.Axis1 + (vertexBC.y * 0.5 + 0.5) * mapperUBO.Axis2;","pos.w = 1.0;"];2===t.dimensions?a.push("var tcoord : vec2 = (mapperUBO.SCTCMatrix * pos).xy;"):a.push("var tcoord : vec3 = (mapperUBO.SCTCMatrix * pos).xyz;"),a.push("output.tcoordVS = tcoord;","output.Position = rendererUBO.SCPCMatrix * pos;"),i=Fl.substitute(i,"//VTK::Position::Impl",a).result,o.setCode(i)},r.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderTCoord=(e,n,r)=>{const o=n.getShaderDescription("vertex");2===t.dimensions?o.addOutput("vec2","tcoordVS"):o.addOutput("vec3","tcoordVS")},r.set("replaceShaderTCoord",e.replaceShaderTCoord),e.replaceShaderImage=(e,n,r)=>{const o=n.getShaderDescription("fragment");let i=o.getCode();t.dimensions,i=Fl.substitute(i,"//VTK::Image::Sample",[" var computedColor: vec4 ="," textureSampleLevel(imgTexture, clampSampler, input.tcoordVS, 0.0);","//VTK::Image::Sample"]).result,i=Fl.substitute(i,"//VTK::Image::Sample",[" var coord: vec2 ="," vec2(computedColor.r * mapperUBO.cScale.r + mapperUBO.cShift.r, 0.5);"," computedColor = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);"]).result,o.setCode(i)},r.set("replaceShaderImage",e.replaceShaderImage)}const Ac={rowLength:1024};const Ec=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ac,n),du.extend(e,t,n),e.setFragmentShaderTemplate(bc),t.UBO=ac.newInstance({label:"mapperUBO"}),t.UBO.addEntry("SCTCMatrix","mat4x4"),t.UBO.addEntry("Origin","vec4"),t.UBO.addEntry("Axis2","vec4"),t.UBO.addEntry("Axis1","vec4"),t.UBO.addEntry("cScale","vec4"),t.UBO.addEntry("cShift","vec4"),t.lutBuildTime={},je(t.lutBuildTime,{mtime:0}),t.imagemat=f(new Float64Array(16)),t.imagematinv=f(new Float64Array(16)),t.VBOBuildTime={},je(t.VBOBuildTime),Cc(e,t)}),"vtkWebGPUImageMapper");function Dc(e,t){t.classHierarchy.push("vtkWebGPUImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes()}},e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t.WebGPURenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t.WebGPURenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.getBufferShift=n=>(e.getKeyMatrices(n),t.bufferShift),e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix(),r=e.getStabilizedCenterByReference();t.bufferShift[0]=n[3]-r[0],t.bufferShift[1]=n[7]-r[1],t.bufferShift[2]=n[11]-r[2],h(t.keyMatrices.bcwc,n),t.renderable.getIsIdentity()?f(t.keyMatrices.normalMatrix):(c(t.keyMatrices.normalMatrix,t.keyMatrices.bcwc),t.keyMatrices.normalMatrix[3]=0,t.keyMatrices.normalMatrix[7]=0,t.keyMatrices.normalMatrix[11]=0,m(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix),h(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix)),b(t.keyMatrices.bcwc,t.keyMatrices.bcwc,[-t.bufferShift[0],-t.bufferShift[1],-t.bufferShift[2]]),b(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]),t.keyMatricesTime.modified()}return t.keyMatrices}}gl("vtkImageMapper",Ec);const Ic={bufferShift:void 0,keyMatrixTime:null,keyMatrices:null,propID:void 0};const Oc=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ic,n),Tt.extend(e,t,n),t.keyMatricesTime={},je(t.keyMatricesTime,{mtime:0}),t.keyMatrices={normalMatrix:new Float64Array(16),bcwc:new Float64Array(16),bcsc:new Float64Array(16)},t.keyMatrixTime={},je(t.keyMatrixTime,{mtime:0}),t.keyMatrices={mcwc:f(new Float64Array(16))},t.bufferShift=[0,0,0,0],He(e,t,["propID","keyMatricesTime"]),Dc(e,t)}),"vtkWebGPUImageSlice");function Pc(e,t){t.classHierarchy.push("vtkWebGPUVolume"),e.buildPass=n=>{t.renderable&&t.renderable.getVisibility()&&n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),t.renderable.getMapper().update())},e.queryPass=(n,r)=>{if(n){if(!t.renderable||!t.renderable.getVisibility())return;const n=t.renderable.getMapper().getBounds();if(!n||6!==n.length||n[0]>n[1])return;r.addVolume(e)}};const n=new Float64Array(3),r=new Float64Array(3);e.getBoundingCubePoints=(e,o)=>{const i=t.renderable.getMapper().getInputData();if(!i)return;const a=i.getExtent(),s=t.renderable.getMatrix();let l=0;for(let t=4;t<6;t++){n[2]=a[t];for(let t=2;t<4;t++){n[1]=a[t];for(let t=0;t<2;t++){n[0]=a[t],i.indexToWorld(n,r);let u=o+3*l;e[u++]=s[0]*r[0]+s[1]*r[1]+s[2]*r[2]+s[3],e[u++]=s[4]*r[0]+s[5]*r[1]+s[6]*r[2]+s[7],e[u++]=s[8]*r[0]+s[9]*r[1]+s[10]*r[2]+s[11],l++}}}},e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix(),r=e.getStabilizedCenterByReference();h(t.keyMatrices.bcwc,n),b(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]),t.keyMatricesTime.modified()}return t.keyMatrices}}gl("vtkImageSlice",Oc);const Nc={propID:void 0,keyMatricesTime:null};const Mc=gt.newInstance((function(e,t){let n=arguments.length>2&&void 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Math.floor(255*e+.5)}function ip(e,t){t.classHierarchy.push("vtkScalarsToColors"),e.setVectorModeToMagnitude=()=>e.setVectorMode(Zd.MAGNITUDE),e.setVectorModeToComponent=()=>e.setVectorMode(Zd.COMPONENT),e.setVectorModeToRGBColors=()=>e.setVectorMode(Zd.RGBCOLORS),e.build=()=>{},e.isOpaque=()=>!0,e.setAnnotations=(n,r)=>{if(!(n&&!r||!n&&r))if(n&&r&&n.length!==r.length)np("Values and annotations do not have the same number of tuples so ignoring");else{if(t.annotationArray=[],r&&n){const e=r.length;for(let o=0;o{let o=e.checkForAnnotatedValue(n),i=!1;return o>=0?t.annotationArray[o].annotation!==r&&(t.annotationArray[o].annotation=r,i=!0):(t.annotationArray.push({value:n,annotation:r}),o=t.annotationArray.length-1,i=!0),i&&(e.updateAnnotatedValueMap(),e.modified()),o},e.getNumberOfAnnotatedValues=()=>t.annotationArray.length,e.getAnnotatedValue=e=>e<0||e>=t.annotationArray.length?null:t.annotationArray[e].value,e.getAnnotation=e=>void 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i=null;if(n===tp.DEFAULT&&t.getDataType()===ep.UNSIGNED_CHAR||n===tp.DIRECT_SCALARS&&t)i=e.convertToRGBA(t,o,t.getNumberOfTuples());else{const n={type:"vtkDataArray",name:"temp",numberOfComponents:4,dataType:ep.UNSIGNED_CHAR},a=gt.newTypedArray(n.dataType,4*t.getNumberOfTuples());n.values=a,n.size=a.length,i=Wr.newInstance(n);let s=r;s<0&&o>1?e.mapVectorsThroughTable(t,i,Qd.RGBA,-1,-1):(s<0&&(s=0),s>=o&&(s=o-1),e.mapScalarsThroughTable(t,i,Qd.RGBA,s))}return i},e.mapVectorsToMagnitude=(e,t,n)=>{const r=e.getNumberOfTuples(),o=e.getNumberOfComponents(),i=t.getData(),a=e.getData();for(let e=0;e{let a=e.getVectorMode(),s=i,l=o;const u=t.getNumberOfComponents();a===Zd.COMPONENT?(-1===l&&(l=e.getVectorComponent()),l<0&&(l=0),l>=u&&(l=u-1)):(-1===s&&(s=e.getVectorSize()),s<=0?(l=0,s=u):(l<0&&(l=0),l>=u&&(l=u-1),l+s>u&&(s=u-l)),a!==Zd.MAGNITUDE||1!==u&&1!==s||(a=Zd.COMPONENT));let c=0;switch(l>0&&(c=l),a){case Zd.COMPONENT:e.mapScalarsThroughTable(t,n,r,c);break;case Zd.RGBCOLORS:break;case Zd.MAGNITUDE:default:{const o=Wr.newInstance({numberOfComponents:1,values:new Float32Array(t.getNumberOfTuples())});e.mapVectorsToMagnitude(t,o,s),e.mapScalarsThroughTable(o,n,r,0);break}}},e.luminanceToRGBA=(e,t,n,r)=>{const o=r(n),i=t.getData(),a=e.getData(),s=i.length;let l=0;for(let e=0;e{const o=t.getData(),i=e.getData(),a=o.length;let s=0;for(let e=0;e{const o=op(n),i=t.getData(),a=e.getData(),s=i.length;let l=0;for(let e=0;e{const o=t.getData(),i=e.getData(),a=o.length;let s=0;for(let e=0;e{let{alpha:i}=t;if(4===r&&i>=1&&n.getDataType()===ep.UNSIGNED_CHAR)return n;const a=Wr.newInstance({numberOfComponents:4,empty:!0,size:4*o,dataType:ep.UNSIGNED_CHAR});if(o<=0)return a;i=i>0?i:0,i=i<1?i:1;let s=rp;switch(n.getDataType()!==ep.FLOAT&&n.getDataType()!==ep.DOUBLE||(s=op),r){case 1:e.luminanceToRGBA(a,n,i,s);break;case 2:e.luminanceAlphaToRGBA(a,n,s);break;case 3:e.rGBToRGBA(a,n,i,s);break;case 4:e.rGBAToRGBA(a,n,i,s);break;default:return np("Cannot convert colors"),null}return a},e.usingLogScale=()=>!1,e.getNumberOfAvailableColors=()=>16777216,e.setRange=(t,n)=>e.setMappingRange(t,n),e.getRange=()=>e.getMappingRange(),e.areScalarsOpaque=(n,r,o)=>{if(!n)return e.isOpaque();const i=n.getNumberOfComponents();return(r!==tp.DEFAULT||n.getDataType()!==ep.UNSIGNED_CHAR)&&r!==tp.DIRECT_SCALARS||(3===i||1===i?t.alpha>=1:255===n.getRange(i-1)[0])}}const ap={alpha:1,vectorComponent:0,vectorSize:-1,vectorMode:Zd.COMPONENT,mappingRange:null,annotationArray:null,annotatedValueMap:null,indexedLookup:!1};function sp(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ap,n),gt.obj(e,t),t.mappingRange=[0,255],t.annotationArray=[],t.annotatedValueMap=[],gt.setGet(e,t,["vectorSize","vectorComponent","vectorMode","alpha","indexedLookup"]),gt.setArray(e,t,["mappingRange"],2),gt.getArray(e,t,["mappingRange"]),ip(e,t)}var lp={newInstance:gt.newInstance(sp,"vtkScalarsToColors"),extend:sp,...Yd},up={ColorSpace:{RGB:0,HSV:1,LAB:2,DIVERGING:3},Scale:{LINEAR:0,LOG10:1}};const{ColorSpace:cp,Scale:dp}=up,{ScalarMappingTarget:pp}=lp,{vtkDebugMacro:fp,vtkErrorMacro:hp,vtkWarningMacro:mp}=gt;function gp(e,t){const n=e[0],r=e[1],o=e[2],i=Math.sqrt(n*n+r*r+o*o),a=i>.001?Math.acos(n/i):0,s=a>.001?Math.atan2(o,r):0;t[0]=i,t[1]=a,t[2]=s}function vp(e,t){if(e[0]>=t-.1)return e[2];const n=e[1]*Math.sqrt(t*t-e[0]*e[0])/(e[0]*Math.sin(e[1]));return e[2]>-.3*Math.PI?e[2]+n:e[2]-n}function yp(e,t,n,r){const o=[],i=[];gr(t,o),gr(n,i);const a=[],s=[];gp(o,a),gp(i,s);let l=e;if(a[1]>.05&&s[1]>.05&&function(e,t){let n=e-t;for(n<0&&(n=-n);n>=2*Math.PI;)n-=2*Math.PI;return n>Math.PI&&(n=2*Math.PI-n),n}(a[2],s[2])>.33*Math.PI){let t=Math.max(a[0],s[0]);t=Math.max(88,t),e<.5?(s[0]=t,s[1]=0,s[2]=0,l*=2):(a[0]=t,a[1]=0,a[2]=0,l=2*l-1)}a[1]<.05&&s[1]>.05?a[2]=vp(s,a[0]):s[1]<.05&&a[1]>.05&&(s[2]=vp(a,s[0]));const u=[];u[0]=(1-l)*a[0]+l*s[0],u[1]=(1-l)*a[1]+l*s[1],u[2]=(1-l)*a[2]+l*s[2];const c=[];!function(e,t){const n=e[0],r=e[1],o=e[2];t[0]=n*Math.cos(r),t[1]=n*Math.sin(r)*Math.cos(o),t[2]=n*Math.sin(r)*Math.sin(o)}(u,c),vr(c,r)}function bp(e,t){t.classHierarchy.push("vtkColorTransferFunction"),e.getSize=()=>t.nodes.length,e.addRGBPoint=(t,n,r,o)=>e.addRGBPointLong(t,n,r,o,.5,0),e.addRGBPointLong=function(n,r,o,i){let a=arguments.length>4&&void 0!==arguments[4]?arguments[4]:.5,s=arguments.length>5&&void 0!==arguments[5]?arguments[5]:0;if(a<0||a>1)return hp("Midpoint outside range [0.0, 1.0]"),-1;if(s<0||s>1)return hp("Sharpness outside range [0.0, 1.0]"),-1;t.allowDuplicateScalars||e.removePoint(n);const l={x:n,r:r,g:o,b:i,midpoint:a,sharpness:s};t.nodes.push(l),e.sortAndUpdateRange();let u=0;for(;ue.addHSVPointLong(t,n,r,o,.5,0),e.addHSVPointLong=function(t,n,r,o){let i=arguments.length>4&&void 0!==arguments[4]?arguments[4]:.5,a=arguments.length>5&&void 0!==arguments[5]?arguments[5]:0;const s=[],l=[n,r,o];return dr(l,s),e.addRGBPoint(t,s[0],s[1],s[2],i,a)},e.setNodes=n=>{if(t.nodes!==n){const r=JSON.stringify(t.nodes);t.nodes=n;const o=JSON.stringify(t.nodes);if(e.sortAndUpdateRange()||r!==o)return e.modified(),!0}return!1},e.sortAndUpdateRange=()=>{const n=JSON.stringify(t.nodes);t.nodes.sort(((e,t)=>e.x-t.x));const r=JSON.stringify(t.nodes),o=e.updateRange();return o||n===r?o:(e.modified(),!0)},e.updateRange=()=>{const n=[2];n[0]=t.mappingRange[0],n[1]=t.mappingRange[1];const r=t.nodes.length;return r?(t.mappingRange[0]=t.nodes[0].x,t.mappingRange[1]=t.nodes[r-1].x):(t.mappingRange[0]=0,t.mappingRange[1]=0),(n[0]!==t.mappingRange[0]||n[1]!==t.mappingRange[1])&&(e.modified(),!0)},e.removePoint=n=>{let r=0;for(;r=t.nodes.length)return-1;let i=!1;return t.nodes.splice(r,1),0!==r&&r!==t.nodes.length||(i=e.updateRange()),i||e.modified(),o},e.movePoint=(n,r)=>{if(n!==r){e.removePoint(r);for(let o=0;o{t.nodes=[],e.sortAndUpdateRange()},e.addRGBSegment=(n,r,o,i,a,s,l,u)=>{e.sortAndUpdateRange();for(let e=0;e=n&&t.nodes[e].x<=a?t.nodes.splice(e,1):e++;e.addRGBPointLong(n,r,o,i,.5,0),e.addRGBPointLong(a,s,l,u,.5,0),e.modified()},e.addHSVSegment=(t,n,r,o,i,a,s,l)=>{const u=[a,s,l],c=[],d=[];dr([n,r,o],c),dr(u,d),e.addRGBSegment(t,c[0],c[1],c[2],i,d[0],d[1],d[2])},e.mapValue=t=>{const n=[];return e.getColor(t,n),[Math.floor(255*n[0]+.5),Math.floor(255*n[1]+.5),Math.floor(255*n[2]+.5),255]},e.getColor=(n,r)=>{if(t.indexedLookup){const t=e.getSize(),o=e.getAnnotatedValueIndexInternal(n);if(o<0||0===t){const t=e.getNanColorByReference();r[0]=t[0],r[1]=t[1],r[2]=t[2]}else{const n=[];e.getNodeValue(o%t,n),r[0]=n[1],r[1]=n[2],r[2]=n[3]}}else e.getTable(n,n,1,r)},e.getRedValue=t=>{const n=[];return e.getColor(t,n),n[0]},e.getGreenValue=t=>{const n=[];return e.getColor(t,n),n[1]},e.getBlueValue=t=>{const n=[];return e.getColor(t,n),n[2]},e.getTable=(n,r,o,i)=>{const a=Number(n),s=Number(r);if(Er(a)||Er(s)){for(let e=0;e0);let T=0,S=0,w=0;_&&(T=Math.log10(a),S=Math.log10(s));for(let n=0;n1?_?(w=T+n/(o-1)*(S-T),f=10**w):f=a+n/(o-1)*(s-a):_?(w=.5*(T+S),f=10**w):f=.5*(a+s),t.discretize){const e=t.mappingRange;if(f>=e[0]&&f<=e[1]){const n=t.numberOfValues,r=e[1]-e[0];if(n<=1)f=e[0]+r/2;else{const t=(f-e[0])/r,o=Sn(n*t);f=e[0]+o/(n-1)*r}}}for(;lt.nodes[l].x;)l++,l.99999&&(y=.99999));if(f>t.mappingRange[1])i[r]=0,i[r+1]=0,i[r+2]=0,t.clamping&&(e.getUseAboveRangeColor()?(i[r]=t.aboveRangeColor[0],i[r+1]=t.aboveRangeColor[1],i[r+2]=t.aboveRangeColor[2]):(i[r]=c,i[r+1]=d,i[r+2]=p));else if(f0&&(i[r]=t.nodes[0].r,i[r+1]=t.nodes[0].g,i[r+2]=t.nodes[0].b));else if(0===l&&(Math.abs(f-a)<1e-6||t.discretize))u>0?(i[r]=t.nodes[0].r,i[r+1]=t.nodes[0].g,i[r+2]=t.nodes[0].b):(i[r]=0,i[r+1]=0,i[r+2]=0);else{let e=0;if(e=_?(w-h)/(m-h):(f-h)/(m-h),e=e.99){if(e<.5){i[r]=g[0],i[r+1]=g[1],i[r+2]=g[2];continue}i[r]=v[0],i[r+1]=v[1],i[r+2]=v[2];continue}if(b<.01){if(t.colorSpace===cp.RGB)i[r]=(1-e)*g[0]+e*v[0],i[r+1]=(1-e)*g[1]+e*v[1],i[r+2]=(1-e)*g[2]+e*v[2];else if(t.colorSpace===cp.HSV){const n=[],o=[];cr(g,n),cr(v,o),t.hSVWrap&&(n[0]-o[0]>.5||o[0]-n[0]>.5)&&(n[0]>o[0]?n[0]-=1:o[0]-=1);const a=[];a[0]=(1-e)*n[0]+e*o[0],a[0]<0&&(a[0]+=1),a[1]=(1-e)*n[1]+e*o[1],a[2]=(1-e)*n[2]+e*o[2],dr(a,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else if(t.colorSpace===cp.LAB){const t=[],n=[];gr(g,t),gr(v,n);const o=[];o[0]=(1-e)*t[0]+e*n[0],o[1]=(1-e)*t[1]+e*n[1],o[2]=(1-e)*t[2]+e*n[2],vr(o,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else t.colorSpace===cp.DIVERGING?(yp(e,g,v,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]):hp("ColorSpace set to invalid value.",t.colorSpace);continue}e<.5?e=.5*(2*e)**(1+10*b):e>.5&&(e=1-.5*(2*(1-e))**(1+10*b));const n=e*e,o=n*e,a=2*o-3*n+1,s=-2*o+3*n,l=o-2*n+e,u=o-n;let c,d;if(t.colorSpace===cp.RGB)for(let e=0;e<3;e++)c=v[e]-g[e],d=(1-b)*c,i[r+e]=a*g[e]+s*v[e]+l*d+u*d;else if(t.colorSpace===cp.HSV){const e=[],n=[];cr(g,e),cr(v,n),t.hSVWrap&&(e[0]-n[0]>.5||n[0]-e[0]>.5)&&(e[0]>n[0]?e[0]-=1:n[0]-=1);const o=[];for(let t=0;t<3;t++)c=n[t]-e[t],d=(1-b)*c,o[t]=a*e[t]+s*n[t]+l*d+u*d,0===t&&o[t]<0&&(o[t]+=1);dr(o,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else if(t.colorSpace===cp.LAB){const e=[],t=[];gr(g,e),gr(v,t);const n=[];for(let r=0;r<3;r++)c=t[r]-e[r],d=(1-b)*c,n[r]=a*e[r]+s*t[r]+l*d+u*d;vr(n,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else t.colorSpace===cp.DIVERGING?(yp(e,g,v,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]):hp("ColorSpace set to invalid value.");for(let e=0;e<3;e++)i[r+e]=i[r+e]<0?0:i[r+e],i[r+e]=i[r+e]>1?1:i[r+e]}}},e.getUint8Table=function(n,r,o){let i=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(e.getMTime()<=t.buildTime&&t.tableSize===o&&t.tableWithAlpha!==i)return t.table;if(0===t.nodes.length)return hp("Attempting to lookup a value with 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e=0;e<3;++e)n[e]=o[e+1];return void(n[3]=1)}const o=e.getNanColorByReference();n[0]=o[0],n[1]=o[1],n[2]=o[2],n[3]=1},e.fillFromDataPointer=(t,n)=>{if(!(t<=0)&&n){e.removeAllPoints();for(let r=0;r{const o=[n,r],i=e.getRange();if(i[1]===o[1]&&i[0]===o[0])return;if(o[1]===o[0])return void hp("attempt to set zero width color range");const a=(o[1]-o[0])/(i[1]-i[0]),s=o[0]-i[0]*a;for(let e=0;e{const r=e.getRange(),o=[];r[0]n[1]?(e.getColor(n[1],o),e.addRGBPoint(n[1],o[0],o[1],o[2])):(e.getColor(r[1],o),e.addRGBPoint(n[1],o[0],o[1],o[2])),e.sortAndUpdateRange();for(let e=0;e=n[0]&&t.nodes[e].x<=n[1]?t.nodes.splice(e,1):++e;return 1},e.estimateMinNumberOfSamples=(t,n)=>{const r=e.findMinimumXDistance();return Math.ceil((n-t)/r)},e.findMinimumXDistance=()=>{if(t.nodes.length<2)return-1;let e=Number.MAX_VALUE;for(let n=0;n{0!==e.getSize()?t.indexedLookup?e.mapDataIndexed(n,r,o,i):e.mapData(n,r,o,i):fp("Transfer Function Has No Points!")},e.mapData=(t,n,r,o)=>{if(0===e.getSize())return void mp("Transfer Function Has No Points!");const i=Math.floor(255*e.getAlpha()+.5),a=t.getNumberOfTuples(),s=t.getNumberOfComponents(),l=n.getData(),u=t.getData(),c=[];if(r===pp.RGBA)for(let t=0;t{const r=JSON.stringify(t.colorSpace);n.ColorSpace&&(t.colorSpace=cp[n.ColorSpace.toUpperCase()],void 0===t.colorSpace&&(hp(`ColorSpace ${n.ColorSpace} not supported, using RGB instead`),t.colorSpace=cp.RGB));let o=r!==JSON.stringify(t.colorSpace);const i=o||JSON.stringify(t.nanColor);if(n.NanColor)for(t.nanColor=[].concat(n.NanColor);t.nanColor.length<4;)t.nanColor.push(1);o=o||i!==JSON.stringify(t.nanColor);const a=o||JSON.stringify(t.nodes);if(n.RGBPoints){const e=n.RGBPoints.length;t.nodes=[];const r=.5,o=0;for(let i=0;i2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,xp,n),lp.extend(e,t,n),t.table=[],t.nodes=[],t.nanColor=[.5,0,0,1],t.belowRangeColor=[0,0,0,1],t.aboveRangeColor=[1,1,1,1],t.buildTime={},gt.obj(t.buildTime),gt.get(e,t,["buildTime","mappingRange"]),gt.setGet(e,t,["useAboveRangeColor","useBelowRangeColor","colorSpace","discretize","numberOfValues"]),gt.setArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"],4),gt.getArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"]),bp(e,t)}var Tp={newInstance:gt.newInstance(_p,"vtkColorTransferFunction"),extend:_p,...up};const{vtkDebugMacro:Sp}=gt;function wp(e,t){t.classHierarchy.push("vtkCamera");const n=new Float64Array(3),r=new Float64Array([0,0,-1]),o=new Float64Array([0,1,0]),i=f(new Float64Array(16)),a=f(new Float64Array(16)),s=new Float64Array(3),l=new Float64Array(3),u=new Float64Array(3),d=f(new Float64Array(16)),p=f(new Float64Array(16)),g=new Float64Array(3),v=new Float64Array(3);function T(){t.viewPlaneNormal[0]=-t.directionOfProjection[0],t.viewPlaneNormal[1]=-t.directionOfProjection[1],t.viewPlaneNormal[2]=-t.directionOfProjection[2]}e.orthogonalizeViewUp=()=>{const n=e.getViewMatrix();t.viewUp[0]=n[4],t.viewUp[1]=n[5],t.viewUp[2]=n[6],e.modified()},e.setPosition=(n,r,o)=>{n===t.position[0]&&r===t.position[1]&&o===t.position[2]||(t.position[0]=n,t.position[1]=r,t.position[2]=o,e.computeDistance(),e.modified())},e.setFocalPoint=(n,r,o)=>{n===t.focalPoint[0]&&r===t.focalPoint[1]&&o===t.focalPoint[2]||(t.focalPoint[0]=n,t.focalPoint[1]=r,t.focalPoint[2]=o,e.computeDistance(),e.modified())},e.setDistance=n=>{if(t.distance===n)return;t.distance=n,t.distance<1e-20&&(t.distance=1e-20,Sp("Distance is set to minimum."));const r=t.directionOfProjection;t.focalPoint[0]=t.position[0]+r[0]*t.distance,t.focalPoint[1]=t.position[1]+r[1]*t.distance,t.focalPoint[2]=t.position[2]+r[2]*t.distance,e.modified()},e.computeDistance=()=>{const e=t.focalPoint[0]-t.position[0],n=t.focalPoint[1]-t.position[1],r=t.focalPoint[2]-t.position[2];if(t.distance=Math.sqrt(e*e+n*n+r*r),t.distance<1e-20){t.distance=1e-20,Sp("Distance is set to minimum.");const e=t.directionOfProjection;t.focalPoint[0]=t.position[0]+e[0]*t.distance,t.focalPoint[1]=t.position[1]+e[1]*t.distance,t.focalPoint[2]=t.position[2]+e[2]*t.distance}t.directionOfProjection[0]=e/t.distance,t.directionOfProjection[1]=n/t.distance,t.directionOfProjection[2]=r/t.distance,T()},e.dolly=n=>{if(n<=0)return;const r=t.distance/n;e.setPosition(t.focalPoint[0]-r*t.directionOfProjection[0],t.focalPoint[1]-r*t.directionOfProjection[1],t.focalPoint[2]-r*t.directionOfProjection[2])},e.roll=n=>{const r=t.position,o=t.focalPoint,i=t.viewUp,a=new Float64Array([i[0],i[1],i[2],0]);f(d);const s=new Float64Array([o[0]-r[0],o[1]-r[1],o[2]-r[2]]);_(d,d,xn(n),s),Mo(a,a,d),t.viewUp[0]=a[0],t.viewUp[1]=a[1],t.viewUp[2]=a[2],e.modified()},e.azimuth=n=>{const 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r=[...t.viewUp,1],o=[],i=[],a=[];r[0]+=t.position[0],r[1]+=t.position[1],r[2]+=t.position[2],Mo(o,[...t.position,1],n),Mo(i,[...t.focalPoint,1],n),Mo(a,r,n),a[0]-=o[0],a[1]-=o[1],a[2]-=o[2],e.setPosition(...o.slice(0,3)),e.setFocalPoint(...i.slice(0,3)),e.setViewUp(...a.slice(0,3))},e.getThickness=()=>t.clippingRange[1]-t.clippingRange[0],e.setThickness=n=>{let r=n;r<1e-20&&(r=1e-20,Sp("Thickness is set to minimum.")),e.setClippingRange(t.clippingRange[0],t.clippingRange[0]+r)},e.setThicknessFromFocalPoint=n=>{let r=n;r<1e-20&&(r=1e-20,Sp("Thickness is set to minimum.")),e.setClippingRange(t.distance-r/2,t.distance+r/2)},e.setRoll=e=>{},e.getRoll=()=>{},e.setObliqueAngles=(e,t)=>{},e.getOrientation=()=>{},e.getOrientationWXYZ=()=>{},e.getFrustumPlanes=e=>{},e.getCameraLightTransformMatrix=e=>(c(e,t.cameraLightTransform),e),e.computeCameraLightTransform=()=>{c(i,e.getViewMatrix()),m(i,i),A(a,[t.distance,t.distance,t.distance]),y(i,i,a),f(t.cameraLightTransform),b(t.cameraLightTransform,i,[0,0,-1])},e.deepCopy=e=>{},e.physicalOrientationToWorldDirection=e=>{const t=Bo(e[0],e[1],e[2],e[3]),n=Ro(),r=Bo(0,0,1,0);return function(e,t){e[0]=-t[0],e[1]=-t[1],e[2]=-t[2],e[3]=t[3]}(n,t),ko(r,t,r),ko(r,r,n),[r[0],r[1],r[2]]},e.getPhysicalToWorldMatrix=t=>{e.getWorldToPhysicalMatrix(t),m(t,t)},e.getWorldToPhysicalMatrix=e=>{f(e);const n=[3];Bn(t.physicalViewNorth,t.physicalViewUp,n),e[0]=n[0],e[1]=n[1],e[2]=n[2],e[4]=t.physicalViewUp[0],e[5]=t.physicalViewUp[1],e[6]=t.physicalViewUp[2],e[8]=-t.physicalViewNorth[0],e[9]=-t.physicalViewNorth[1],e[10]=-t.physicalViewNorth[2],h(e,e),jt(s,1/t.physicalScale,1/t.physicalScale,1/t.physicalScale),x(e,e,s),b(e,e,t.physicalTranslation)},e.computeViewParametersFromViewMatrix=a=>{m(i,a),Yt(s,n,i),e.computeDistance();const c=t.distance;e.setPosition(s[0],s[1],s[2]),Yt(l,r,i),Wt(l,l,s),Kt(l,l),e.setDirectionOfProjection(l[0],l[1],l[2]),Yt(u,o,i),Wt(u,u,s),Kt(u,u),e.setViewUp(u[0],u[1],u[2]),e.setDistance(c)},e.computeViewParametersFromPhysicalMatrix=t=>{e.getWorldToPhysicalMatrix(i),y(i,t,i),e.computeViewParametersFromViewMatrix(i)},e.setViewMatrix=n=>{t.viewMatrix=n,t.viewMatrix&&(c(i,t.viewMatrix),e.computeViewParametersFromViewMatrix(i),h(t.viewMatrix,t.viewMatrix))},e.getViewMatrix=()=>{if(t.viewMatrix)return t.viewMatrix;K(i,t.position,t.focalPoint,t.viewUp),h(i,i);const e=new Float64Array(16);return c(e,i),e},e.setProjectionMatrix=e=>{t.projectionMatrix=e},e.getProjectionMatrix=(e,n,r)=>{const o=new Float64Array(16);if(f(o),t.projectionMatrix){const e=1/t.physicalScale;return jt(s,e,e,e),c(o,t.projectionMatrix),x(o,o,s),h(o,o),o}f(i);const a=t.clippingRange[1]-t.clippingRange[0],l=[t.clippingRange[0]+(n+1)*a/2,t.clippingRange[0]+(r+1)*a/2];if(t.parallelProjection){const n=t.parallelScale*e,r=t.parallelScale,o=(t.windowCenter[0]-1)*n,a=(t.windowCenter[0]+1)*n,s=(t.windowCenter[1]-1)*r,u=(t.windowCenter[1]+1)*r;H(i,o,a,s,u,l[0],l[1]),h(i,i)}else{if(t.useOffAxisProjection)throw new Error("Off-Axis projection is not supported at this time");{const n=Math.tan(xn(t.viewAngle)/2);let r,o;!0===t.useHorizontalViewAngle?(r=t.clippingRange[0]*n,o=t.clippingRange[0]*n/e):(r=t.clippingRange[0]*n*e,o=t.clippingRange[0]*n);const a=(t.windowCenter[0]-1)*r,s=(t.windowCenter[0]+1)*r,u=(t.windowCenter[1]-1)*o,c=(t.windowCenter[1]+1)*o,d=l[0],p=l[1];i[0]=2*d/(s-a),i[5]=2*d/(c-u),i[2]=(a+s)/(s-a),i[6]=(u+c)/(c-u),i[10]=-(d+p)/(p-d),i[14]=-1,i[11]=-2*d*p/(p-d),i[15]=0}}return c(o,i),o},e.getCompositeProjectionMatrix=(t,n,r)=>{const o=e.getViewMatrix(),i=e.getProjectionMatrix(t,n,r);return y(i,o,i),i},e.setDirectionOfProjection=(e,n,r)=>{if(t.directionOfProjection[0]===e&&t.directionOfProjection[1]===n&&t.directionOfProjection[2]===r)return;t.directionOfProjection[0]=e,t.directionOfProjection[1]=n,t.directionOfProjection[2]=r;const o=t.directionOfProjection;t.focalPoint[0]=t.position[0]+o[0]*t.distance,t.focalPoint[1]=t.position[1]+o[1]*t.distance,t.focalPoint[2]=t.position[2]+o[2]*t.distance,T()},e.setDeviceAngles=(n,r,o,i)=>{const a=[3];Bn(t.physicalViewNorth,t.physicalViewUp,a);const s=f(new Float64Array(16));_(s,s,xn(n),t.physicalViewUp),_(s,s,xn(r),a),_(s,s,xn(o),t.physicalViewNorth),_(s,s,xn(-i),t.physicalViewUp);const l=new Float64Array([-t.physicalViewUp[0],-t.physicalViewUp[1],-t.physicalViewUp[2]]),u=new Float64Array(t.physicalViewNorth);Yt(l,l,s),Yt(u,u,s),e.setDirectionOfProjection(l[0],l[1],l[2]),e.setViewUp(u[0],u[1],u[2]),e.modified()},e.setOrientationWXYZ=(t,n,r,o)=>{const i=f(new Float64Array(16));if(0!==t&&(0!==n||0!==r||0!==o)){const e=xn(t),a=Ro();Fo(a,[n,r,o],e),B(i,a)}const a=new Float64Array(3);Yt(a,[0,0,-1],i);const s=new Float64Array(3);Yt(s,[0,1,0],i),e.setDirectionOfProjection(...a),e.setViewUp(...s),e.modified()},e.computeClippingRange=e=>{let n=null,r=null;n=t.viewPlaneNormal,r=t.position;const o=-n[0],i=-n[1],a=-n[2],s=-(o*r[0]+i*r[1]+a*r[2]),l=[o*e[0]+i*e[2]+a*e[4]+s,1e-18];for(let t=0;t<2;t++)for(let n=0;n<2;n++)for(let r=0;r<2;r++){const u=o*e[r]+i*e[2+n]+a*e[4+t]+s;l[0]=ul[1]?u:l[1]}return l}}const Cp={position:[0,0,1],focalPoint:[0,0,0],viewUp:[0,1,0],directionOfProjection:[0,0,-1],parallelProjection:!1,useHorizontalViewAngle:!1,viewAngle:30,parallelScale:1,clippingRange:[.01,1000.01],windowCenter:[0,0],viewPlaneNormal:[0,0,1],useOffAxisProjection:!1,screenBottomLeft:[-.5,-.5,-.5],screenBottomRight:[.5,-.5,-.5],screenTopRight:[.5,.5,-.5],freezeFocalPoint:!1,projectionMatrix:null,viewMatrix:null,cameraLightTransform:l(),physicalTranslation:[0,0,0],physicalScale:1,physicalViewUp:[0,1,0],physicalViewNorth:[0,0,-1]};function Ap(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Cp,n),gt.obj(e,t),gt.get(e,t,["distance"]),gt.setGet(e,t,["parallelProjection","useHorizontalViewAngle","viewAngle","parallelScale","useOffAxisProjection","freezeFocalPoint","physicalScale"]),gt.getArray(e,t,["directionOfProjection","viewPlaneNormal","position","focalPoint"]),gt.setGetArray(e,t,["clippingRange","windowCenter"],2),gt.setGetArray(e,t,["viewUp","screenBottomLeft","screenBottomRight","screenTopRight","physicalTranslation","physicalViewUp","physicalViewNorth"],3),wp(e,t)}var Ep={newInstance:gt.newInstance(Ap,"vtkCamera"),extend:Ap};function Dp(e,t){t.classHierarchy.push("vtkLight");const n=new Float64Array(3);e.getTransformedPosition=()=>(t.transformMatrix?Yt(n,t.position,t.transformMatrix):jt(n,t.position[0],t.position[1],t.position[2]),n),e.getTransformedFocalPoint=()=>(t.transformMatrix?Yt(n,t.focalPoint,t.transformMatrix):jt(n,t.focalPoint[0],t.focalPoint[1],t.focalPoint[2]),n),e.getDirection=()=>(t.directionMTime{const n=new Float64Array(3);tn(n,t.position,e),t.focalPoint=n},e.setDirectionAngle=(t,n)=>{const r=xn(t),o=xn(n);e.setPosition(Math.cos(r)*Math.sin(o),Math.sin(r),Math.cos(r)*Math.cos(o)),e.setFocalPoint(0,0,0),e.setPositional(0)},e.setLightTypeToHeadLight=()=>{e.setLightType("HeadLight")},e.setLightTypeToCameraLight=()=>{e.setLightType("CameraLight")},e.setLightTypeToSceneLight=()=>{e.setTransformMatrix(null),e.setLightType("SceneLight")},e.lightTypeIsHeadLight=()=>"HeadLight"===t.lightType,e.lightTypeIsSceneLight=()=>"SceneLight"===t.lightType,e.lightTypeIsCameraLight=()=>"CameraLight"===t.lightType}const Ip={switch:!0,intensity:1,color:[1,1,1],position:[0,0,1],focalPoint:[0,0,0],positional:!1,exponent:1,coneAngle:30,coneFalloff:5,attenuationValues:[1,0,0],transformMatrix:null,lightType:"SceneLight",shadowAttenuation:1,direction:[0,0,0],directionMTime:0};function Op(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ip,n),gt.obj(e,t),gt.setGet(e,t,["intensity","switch","positional","exponent","coneAngle","coneFalloff","transformMatrix","lightType","shadowAttenuation","attenuationValues"]),gt.setGetArray(e,t,["color","position","focalPoint","attenuationValues"],3),Dp(e,t)}var Pp={newInstance:gt.newInstance(Op,"vtkLight"),extend:Op,LIGHT_TYPES:["HeadLight","CameraLight","SceneLight"]};const{vtkErrorMacro:Np}=gt;function Mp(e,t){function n(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];t.push(e);const r=e.getNestedProps();if(r&&r.length)for(let e=0;et.props,e.hasViewProp=e=>t.props.includes(e),e.addViewProp=n=>{n&&!e.hasViewProp(n)&&t.props.push(n)},e.removeViewProp=e=>{const n=t.props.filter((t=>t!==e));t.props.length!==n.length&&(t.props=n)},e.removeAllViewProps=()=>{t.props=[]},e.getViewPropsWithNestedProps=()=>{const e=[];for(let r=0;r{e.removeViewProp(t)},e.getActors2D=()=>(t.actors2D=[],t.props.forEach((e=>{t.actors2D=t.actors2D.concat(e.getActors2D())})),t.actors2D),e.displayToView=()=>Np("call displayToView on your view instead"),e.viewToDisplay=()=>Np("callviewtodisplay on your view instead"),e.getSize=()=>Np("call getSize on your View instead"),e.normalizedDisplayToProjection=(t,n,r)=>{const o=e.normalizedDisplayToNormalizedViewport(t,n,r);return e.normalizedViewportToProjection(o[0],o[1],o[2])},e.normalizedDisplayToNormalizedViewport=(e,n,r)=>{const o=[t.viewport[2]-t.viewport[0],t.viewport[3]-t.viewport[1]];return[(e-t.viewport[0])/o[0],(n-t.viewport[1])/o[1],r]},e.normalizedViewportToProjection=(e,t,n)=>[2*e-1,2*t-1,2*n-1],e.projectionToNormalizedDisplay=(t,n,r)=>{const o=e.projectionToNormalizedViewport(t,n,r);return e.normalizedViewportToNormalizedDisplay(o[0],o[1],o[2])},e.normalizedViewportToNormalizedDisplay=(e,n,r)=>{const 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Lf={Device:Ff,Input:kf,Axis:{Unknown:0,TouchpadX:1,TouchpadY:2,ThumbstickX:3,ThumbstickY:4}};const{Device:Bf,Input:Vf}=Lf,{vtkWarningMacro:Uf,vtkErrorMacro:Gf,normalizeWheel:zf,vtkOnceErrorMacro:jf}=gt,Wf={ctrlKey:!1,altKey:!1,shiftKey:!1},Hf={"xr-standard":[Vf.Trigger,Vf.Grip,Vf.TrackPad,Vf.Thumbstick,Vf.A,Vf.B]},Xf=["StartAnimation","Animation","EndAnimation","PointerEnter","PointerLeave","MouseEnter","MouseLeave","StartMouseMove","MouseMove","EndMouseMove","LeftButtonPress","LeftButtonRelease","MiddleButtonPress","MiddleButtonRelease","RightButtonPress","RightButtonRelease","KeyPress","KeyDown","KeyUp","StartMouseWheel","MouseWheel","EndMouseWheel","StartPinch","Pinch","EndPinch","StartPan","Pan","EndPan","StartRotate","Rotate","EndRotate","Button3D","Move3D","StartPointerLock","EndPointerLock","StartInteraction","Interaction","EndInteraction","AnimationFrameRateUpdate"];function Kf(e){e.cancelable&&e.preventDefault()}function qf(e){const t=Object.create(null);return e.forEach((e=>{let{pointerId:n,position:r}=e;t[n]=r})),t}function $f(e,t){t.classHierarchy.push("vtkRenderWindowInteractor");const n=new Set,r=new Map;let o=1;function i(n,r){t._forcedRenderer||(t.currentRenderer=e.findPokedRenderer(n,r))}e.start=()=>{(t.initialized||(e.initialize(),t.initialized))&&e.startEventLoop()},e.setRenderWindow=e=>{Gf("you want to call setView(view) instead of setRenderWindow on a vtk.js interactor")},e.setInteractorStyle=n=>{t.interactorStyle!==n&&(null!=t.interactorStyle&&t.interactorStyle.setInteractor(null),t.interactorStyle=n,null!=t.interactorStyle&&t.interactorStyle.getInteractor()!==e&&t.interactorStyle.setInteractor(e))},e.initialize=()=>{t.initialized=!0,e.enable(),e.render()},e.enable=()=>e.setEnabled(!0),e.disable=()=>e.setEnabled(!1),e.startEventLoop=()=>Uf("empty event loop"),e.getCurrentRenderer=()=>(t.currentRenderer||i(0,0),t.currentRenderer);const a=t._getScreenEventPositionFor||function(e){const n=t._view.getCanvas(),o=n.getBoundingClientRect(),a=n.width/o.width,s=n.height/o.height,l={x:a*(e.clientX-o.left),y:s*(o.height-e.clientY+o.top),z:0};return(r.size<=1||!t.currentRenderer)&&i(l.x,l.y),l};function s(e){return{controlKey:e.ctrlKey,altKey:e.altKey,shiftKey:e.shiftKey}}function l(e){const t=s(e);return{key:e.key,keyCode:e.charCode,...t}}function u(e){return e.pointerType||""}function c(){t._view&&t.enabled&&t.enableRender&&(t.inRender=!0,t._view.traverseAllPasses(),t.inRender=!1),e.invokeRenderEvent()}e.bindEvents=n=>{t.container=n,n.addEventListener("contextmenu",Kf),n.addEventListener("wheel",e.handleWheel),n.addEventListener("DOMMouseScroll",e.handleWheel),n.addEventListener("pointerenter",e.handlePointerEnter),n.addEventListener("pointerleave",e.handlePointerLeave),n.addEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.addEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.addEventListener("pointerup",e.handlePointerUp),n.addEventListener("pointercancel",e.handlePointerCancel),document.addEventListener("keypress",e.handleKeyPress),document.addEventListener("keydown",e.handleKeyDown),document.addEventListener("keyup",e.handleKeyUp),document.addEventListener("pointerlockchange",e.handlePointerLockChange),n.style.touchAction="none",n.style.userSelect="none",n.style.webkitTapHighlightColor="rgba(0,0,0,0)"},e.unbindEvents=()=>{const{container:n}=t;n.removeEventListener("contextmenu",Kf),n.removeEventListener("wheel",e.handleWheel),n.removeEventListener("DOMMouseScroll",e.handleWheel),n.removeEventListener("pointerenter",e.handlePointerEnter),n.removeEventListener("pointerleave",e.handlePointerLeave),n.removeEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.removeEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.removeEventListener("pointerup",e.handlePointerUp),n.removeEventListener("pointercancel",e.handlePointerCancel),document.removeEventListener("keypress",e.handleKeyPress),document.removeEventListener("keydown",e.handleKeyDown),document.removeEventListener("keyup",e.handleKeyUp),document.removeEventListener("pointerlockchange",e.handlePointerLockChange),t.container=null,r.clear()},e.handleKeyPress=t=>{const n=l(t);e.keyPressEvent(n)},e.handleKeyDown=t=>{const n=l(t);e.keyDownEvent(n)},e.handleKeyUp=t=>{const n=l(t);e.keyUpEvent(n)},e.handlePointerEnter=t=>{const n={...s(t),position:a(t),deviceType:u(t)};e.pointerEnterEvent(n),"mouse"===n.deviceType&&e.mouseEnterEvent(n)},e.handlePointerLeave=t=>{const n={...s(t),position:a(t),deviceType:u(t)};e.pointerLeaveEvent(n),"mouse"===n.deviceType&&e.mouseLeaveEvent(n)},e.handlePointerDown=n=>{if(!(n.button>2||e.isPointerLocked()))switch(t.preventDefaultOnPointerDown&&Kf(n),n.target.hasPointerCapture(n.pointerId)&&n.target.releasePointerCapture(n.pointerId),t.container.setPointerCapture(n.pointerId),r.has(n.pointerId)&&Uf("[RenderWindowInteractor] duplicate pointerId detected"),r.set(n.pointerId,{pointerId:n.pointerId,position:a(n)}),n.pointerType){case"pen":case"touch":e.handleTouchStart(n);break;default:e.handleMouseDown(n)}},e.handlePointerUp=n=>{if(r.has(n.pointerId))switch(t.preventDefaultOnPointerUp&&Kf(n),r.delete(n.pointerId),t.container.releasePointerCapture(n.pointerId),n.pointerType){case"pen":case"touch":e.handleTouchEnd(n);break;default:e.handleMouseUp(n)}},e.handlePointerCancel=t=>{if(r.has(t.pointerId))switch(r.delete(t.pointerId),t.pointerType){case"pen":case"touch":e.handleTouchEnd(t);break;default:e.handleMouseUp(t)}},e.handlePointerMove=t=>{switch(r.has(t.pointerId)&&(r.get(t.pointerId).position=a(t)),t.pointerType){case"pen":case"touch":e.handleTouchMove(t);break;default:e.handleMouseMove(t)}},e.handleMouseDown=t=>{const n={...s(t),position:a(t),deviceType:u(t)};switch(t.button){case 0:e.leftButtonPressEvent(n);break;case 1:e.middleButtonPressEvent(n);break;case 2:e.rightButtonPressEvent(n);break;default:Gf(`Unknown mouse button pressed: ${t.button}`)}},e.requestPointerLock=()=>{t.container&&t.container.requestPointerLock()},e.exitPointerLock=()=>document.exitPointerLock?.(),e.isPointerLocked=()=>!!t.container&&document.pointerLockElement===t.container,e.handlePointerLockChange=()=>{e.isPointerLocked()?e.startPointerLockEvent():e.endPointerLockEvent()},e.requestAnimation=r=>{void 0!==r?n.has(r)?Uf("requester is already registered for animating"):(n.add(r),t.animationRequest||1!==n.size||t.xrAnimation||(t._animationStartTime=Date.now(),t._animationFrameCount=0,t.animationRequest=requestAnimationFrame(e.handleAnimation),e.startAnimationEvent())):Gf("undefined requester, can not start animating")},e.extendAnimation=r=>{const o=Date.now()+r;t._animationExtendedEnd=Math.max(t._animationExtendedEnd,o),t.animationRequest||0!==n.size||t.xrAnimation||(t._animationStartTime=Date.now(),t._animationFrameCount=0,t.animationRequest=requestAnimationFrame(e.handleAnimation),e.startAnimationEvent())},e.isAnimating=()=>t.xrAnimation||null!==t.animationRequest,e.cancelAnimation=function(r){let o=arguments.length>1&&void 0!==arguments[1]&&arguments[1];if(n.has(r))n.delete(r),t.animationRequest&&0===n.size&&Date.now()>t._animationExtendedEnd&&(cancelAnimationFrame(t.animationRequest),t.animationRequest=null,e.endAnimationEvent(),e.render());else if(!o){const e=r&&r.getClassName?r.getClassName():r;Uf(`${e} did not request an animation`)}},e.switchToXRAnimation=()=>{t.animationRequest&&(cancelAnimationFrame(t.animationRequest),t.animationRequest=null),t.xrAnimation=!0},e.returnFromXRAnimation=()=>{t.xrAnimation=!1,0!==n.size&&(t.recentAnimationFrameRate=10,t.animationRequest=requestAnimationFrame(e.handleAnimation))},e.updateXRGamepads=(n,r,o)=>{n.inputSources.forEach((n=>{const i=null==n.gripSpace?null:r.getPose(n.gripSpace,o),a=n.gamepad,s=n.handedness;if(a){a.index in t.lastGamepadValues||(t.lastGamepadValues[a.index]={left:{buttons:{}},right:{buttons:{}},none:{buttons:{}}});for(let r=0;r{const r={...s(n),position:a(n),deviceType:u(n)};0===t.moveTimeoutID?e.startMouseMoveEvent(r):(e.mouseMoveEvent(r),clearTimeout(t.moveTimeoutID)),t.moveTimeoutID=setTimeout((()=>{e.endMouseMoveEvent(),t.moveTimeoutID=0}),200)},e.handleAnimation=()=>{const r=Date.now();t._animationFrameCount++,r-t._animationStartTime>1e3&&t._animationFrameCount>1&&(t.recentAnimationFrameRate=1e3*(t._animationFrameCount-1)/(r-t._animationStartTime),t.lastFrameTime=1/t.recentAnimationFrameRate,e.animationFrameRateUpdateEvent(),t._animationStartTime=r,t._animationFrameCount=1),e.animationEvent(),c(),n.size>0||Date.now(){Kf(n);const r={...zf(n),...s(n),position:a(n),deviceType:u(n)};0===t.wheelTimeoutID&&(o=Math.abs(r.spinY)>=.3?Math.abs(r.spinY):1),r.spinY/=o,0===t.wheelTimeoutID?(e.startMouseWheelEvent(r),e.mouseWheelEvent(r)):(e.mouseWheelEvent(r),clearTimeout(t.wheelTimeoutID)),t.mouseScrollDebounceByPass?(e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0):t.wheelTimeoutID=setTimeout((()=>{e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0}),200)},e.handleMouseUp=t=>{const n={...s(t),position:a(t),deviceType:u(t)};switch(t.button){case 0:e.leftButtonReleaseEvent(n);break;case 1:e.middleButtonReleaseEvent(n);break;case 2:e.rightButtonReleaseEvent(n);break;default:Gf(`Unknown mouse button released: ${t.button}`)}},e.handleTouchStart=n=>{const o=[...r.values()];if(t.recognizeGestures&&o.length>1){const t=qf(r);if(2===o.length){const t={...s(Wf),position:o[0].position,deviceType:u(n)};e.leftButtonReleaseEvent(t)}e.recognizeGesture("TouchStart",t)}else if(1===o.length){const t={...s(Wf),position:a(n),deviceType:u(n)};e.leftButtonPressEvent(t)}},e.handleTouchMove=n=>{const o=[...r.values()];if(t.recognizeGestures&&o.length>1){const t=qf(r);e.recognizeGesture("TouchMove",t)}else if(1===o.length){const t={...s(Wf),position:o[0].position,deviceType:u(n)};e.mouseMoveEvent(t)}},e.handleTouchEnd=n=>{const o=[...r.values()];if(t.recognizeGestures)if(0===o.length){const t={...s(Wf),position:a(n),deviceType:u(n)};e.leftButtonReleaseEvent(t)}else if(1===o.length){const t=qf(r);e.recognizeGesture("TouchEnd",t);const i={...s(Wf),position:o[0].position,deviceType:u(n)};e.leftButtonPressEvent(i)}else{const t=qf(r);e.recognizeGesture("TouchMove",t)}else if(1===o.length){const t={...s(Wf),position:o[0].position,deviceType:u(n)};e.leftButtonReleaseEvent(t)}},e.setView=n=>{t._view!==n&&(t._view=n,t._view.getRenderable().setInteractor(e),e.modified())},e.getFirstRenderer=()=>t._view?.getRenderable()?.getRenderersByReference()?.[0],e.findPokedRenderer=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;if(!t._view)return null;const r=t._view?.getRenderable()?.getRenderers();if(!r||0===r.length)return null;r.sort(((e,t)=>e.getLayer()-t.getLayer()));let o=null,i=null,a=null,s=r.length;for(;s--;){const l=r[s];if(t._view.isInViewport(e,n,l)&&l.getInteractive()){a=l;break}null===o&&l.getInteractive()&&(o=l),null===i&&t._view.isInViewport(e,n,l)&&(i=l)}return null===a&&(a=o),null===a&&(a=i),null==a&&(a=r[0]),a},e.render=()=>{e.isAnimating()||t.inRender||c()},Xf.forEach((n=>{const r=n.charAt(0).toLowerCase()+n.slice(1);e[`${r}Event`]=r=>{if(!t.enabled)return;if(!e.getCurrentRenderer())return void jf("\n Can not forward events without a current renderer on the interactor.\n ");const o={type:n,pokedRenderer:t.currentRenderer,firstRenderer:e.getFirstRenderer(),...r};e[`invoke${n}`](o)}})),e.recognizeGesture=(n,r)=>{if(Object.keys(r).length>2)return;if(t.startingEventPositions||(t.startingEventPositions={}),"TouchStart"===n)return Object.keys(r).forEach((e=>{t.startingEventPositions[e]=r[e]})),void(t.currentGesture="Start");if("TouchEnd"===n)return"Pinch"===t.currentGesture&&(e.render(),e.endPinchEvent()),"Rotate"===t.currentGesture&&(e.render(),e.endRotateEvent()),"Pan"===t.currentGesture&&(e.render(),e.endPanEvent()),t.currentGesture="Start",void(t.startingEventPositions={});let o=0;const i=[],a=[];Object.keys(r).forEach((e=>{i[o]=r[e],a[o]=t.startingEventPositions[e],o++}));const s=Math.sqrt((a[0].x-a[1].x)*(a[0].x-a[1].x)+(a[0].y-a[1].y)*(a[0].y-a[1].y)),l=Math.sqrt((i[0].x-i[1].x)*(i[0].x-i[1].x)+(i[0].y-i[1].y)*(i[0].y-i[1].y));let u=_n(Math.atan2(a[1].y-a[0].y,a[1].x-a[0].x)),c=_n(Math.atan2(i[1].y-i[0].y,i[1].x-i[0].x)),d=c-u;c=c+180>=360?c-180:c+180,u=u+180>=360?u-180:u+180,Math.abs(c-u)n&&o>i&&o>a){t.currentGesture="Pinch";const n={scale:1,touches:r};e.startPinchEvent(n)}else if(i>n&&i>a){t.currentGesture="Rotate";const n={rotation:0,touches:r};e.startRotateEvent(n)}else if(a>n){t.currentGesture="Pan";const n={translation:[0,0],touches:r};e.startPanEvent(n)}}else{if("Rotate"===t.currentGesture){const t={rotation:d,touches:r};e.rotateEvent(t)}if("Pinch"===t.currentGesture){const t={scale:l/s,touches:r};e.pinchEvent(t)}if("Pan"===t.currentGesture){const t={translation:p,touches:r};e.panEvent(t)}}},e.handleVisibilityChange=()=>{t._animationStartTime=Date.now(),t._animationFrameCount=0},e.setCurrentRenderer=e=>{t._forcedRenderer=!!e,t.currentRenderer=e};const d=e.delete;e.delete=()=>{for(;n.size;)e.cancelAnimation(n.values().next().value);void 0!==document.hidden&&document.removeEventListener("visibilitychange",e.handleVisibilityChange),t.container&&e.unbindEvents(),d()},void 0!==document.hidden&&document.addEventListener("visibilitychange",e.handleVisibilityChange,!1)}const Yf={renderWindow:null,interactorStyle:null,picker:null,pickingManager:null,initialized:!1,enabled:!1,enableRender:!0,currentRenderer:null,lightFollowCamera:!0,desiredUpdateRate:30,stillUpdateRate:2,container:null,recognizeGestures:!0,currentGesture:"Start",animationRequest:null,lastFrameTime:.1,recentAnimationFrameRate:10,wheelTimeoutID:0,moveTimeoutID:0,lastGamepadValues:{},preventDefaultOnPointerDown:!1,preventDefaultOnPointerUp:!1,mouseScrollDebounceByPass:!1};function Jf(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Yf,n),gt.obj(e,t),t._animationExtendedEnd=0,gt.event(e,t,"RenderEvent"),Xf.forEach((n=>gt.event(e,t,n))),gt.get(e,t,["initialized","container","interactorStyle","lastFrameTime","recentAnimationFrameRate","_view"]),gt.setGet(e,t,["lightFollowCamera","enabled","enableRender","recognizeGestures","desiredUpdateRate","stillUpdateRate","picker","preventDefaultOnPointerDown","preventDefaultOnPointerUp","mouseScrollDebounceByPass"]),gt.moveToProtected(e,t,["view"]),$f(e,t)}var Qf={newInstance:gt.newInstance(Jf,"vtkRenderWindowInteractor"),extend:Jf,handledEvents:Xf,...Lf};const{vtkErrorMacro:Zf,VOID:eh}=gt;function th(e,t){t.classHierarchy.push("vtkInteractorObserver");const n={...e};function r(){for(;t.subscribedEvents.length;)t.subscribedEvents.pop().unsubscribe()}function o(){Qf.handledEvents.forEach((n=>{e[`handle${n}`]&&t.subscribedEvents.push(t._interactor[`on${n}`]((r=>t.processEvents?e[`handle${n}`](r):eh),t.priority))}))}e.setInteractor=n=>{n!==t._interactor&&(r(),t._interactor=n,n&&t.enabled&&o(),e.modified())},e.setEnabled=n=>{n!==t.enabled&&(r(),n&&(t._interactor?o():Zf("\n The interactor must be set before subscribing to events\n ")),t.enabled=n,e.modified())},e.computeDisplayToWorld=(e,n,r,o)=>e?t._interactor.getView().displayToWorld(n,r,o,e):null,e.computeWorldToDisplay=(e,n,r,o)=>e?t._interactor.getView().worldToDisplay(n,r,o,e):null,e.setPriority=e=>{n.setPriority(e)&&t._interactor&&(r(),o())}}const nh={enabled:!0,priority:0,processEvents:!0,subscribedEvents:[]};function rh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,nh,n),gt.obj(e,t),gt.event(e,t,"InteractionEvent"),gt.event(e,t,"StartInteractionEvent"),gt.event(e,t,"EndInteractionEvent"),gt.get(e,t,["_interactor","enabled"]),gt.setGet(e,t,["priority","processEvents"]),gt.moveToProtected(e,t,["interactor"]),th(e,t)}var oh={newInstance:gt.newInstance(rh,"vtkInteractorObserver"),extend:rh,computeWorldToDisplay:function(e,t,n,r){return e.getRenderWindow().getViews()[0].worldToDisplay(t,n,r,e)},computeDisplayToWorld:function(e,t,n,r){return e.getRenderWindow().getViews()[0].displayToWorld(t,n,r,e)}},ih={States:{IS_START:0,IS_NONE:0,IS_ROTATE:1,IS_PAN:2,IS_SPIN:3,IS_DOLLY:4,IS_CAMERA_POSE:11,IS_WINDOW_LEVEL:1024,IS_SLICE:1025}};const{States:ah}=ih,sh={Rotate:ah.IS_ROTATE,Pan:ah.IS_PAN,Spin:ah.IS_SPIN,Dolly:ah.IS_DOLLY,CameraPose:ah.IS_CAMERA_POSE,WindowLevel:ah.IS_WINDOW_LEVEL,Slice:ah.IS_SLICE};function lh(e,t){t.classHierarchy.push("vtkInteractorStyle"),Object.keys(sh).forEach((n=>{gt.event(e,t,`Start${n}Event`),e[`start${n}`]=()=>{t.state===ah.IS_NONE&&(t.state=sh[n],t._interactor.requestAnimation(e),e.invokeStartInteractionEvent({type:"StartInteractionEvent"}),e[`invokeStart${n}Event`]({type:`Start${n}Event`}))},gt.event(e,t,`End${n}Event`),e[`end${n}`]=()=>{t.state===sh[n]&&(t.state=ah.IS_NONE,t._interactor.cancelAnimation(e),e.invokeEndInteractionEvent({type:"EndInteractionEvent"}),e[`invokeEnd${n}Event`]({type:`End${n}Event`}),t._interactor.render())}})),e.handleKeyPress=e=>{const n=t._interactor;let r=null;switch(e.key){case"r":case"R":e.pokedRenderer.resetCamera(),n.render();break;case"w":case"W":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToWireframe&&t.setRepresentationToWireframe()})),n.render();break;case"s":case"S":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToSurface&&t.setRepresentationToSurface()})),n.render();break;case"v":case"V":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToPoints&&t.setRepresentationToPoints()})),n.render()}}}const uh={state:ah.IS_NONE,handleObservers:1,autoAdjustCameraClippingRange:1};function ch(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uh,n),oh.extend(e,t,n),lh(e,t)}var dh={newInstance:gt.newInstance(ch,"vtkInteractorStyle"),extend:ch,...ih};const{States:ph}=ih;function fh(e,t){t.classHierarchy.push("vtkInteractorStyleTrackballCamera"),e.handleMouseMove=n=>{const r=n.position,o=n.pokedRenderer;switch(t.state){case ph.IS_ROTATE:e.handleMouseRotate(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case ph.IS_PAN:e.handleMousePan(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case ph.IS_DOLLY:e.handleMouseDolly(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case ph.IS_SPIN:e.handleMouseSpin(o,r),e.invokeInteractionEvent({type:"InteractionEvent"})}t.previousPosition=r},e.handleButton3D=n=>{!n||!n.pressed||n.device!==Ff.RightController||n.input!==kf.Trigger&&n.input!==kf.TrackPad?!n||n.pressed||n.device!==Ff.RightController||n.input!==kf.Trigger&&n.input!==kf.TrackPad||t.state!==ph.IS_CAMERA_POSE||e.endCameraPose():e.startCameraPose()},e.handleMove3D=n=>{t.state===ph.IS_CAMERA_POSE&&e.updateCameraPose(n)},e.updateCameraPose=e=>{const t=e.pokedRenderer.getActiveCamera(),n=t.getPhysicalTranslation(),r=.025*t.getPhysicalScale(),o=t.physicalOrientationToWorldDirection([e.orientation.x,e.orientation.y,e.orientation.z,e.orientation.w]);t.setPhysicalTranslation(n[0]+o[0]*r,n[1]+o[1]*r,n[2]+o[2]*r)},e.handleLeftButtonPress=n=>{const r=n.position;t.previousPosition=r,n.shiftKey?n.controlKey||n.altKey?e.startDolly():e.startPan():n.controlKey||n.altKey?e.startSpin():e.startRotate()},e.handleLeftButtonRelease=()=>{switch(t.state){case ph.IS_DOLLY:e.endDolly();break;case ph.IS_PAN:e.endPan();break;case ph.IS_SPIN:e.endSpin();break;case ph.IS_ROTATE:e.endRotate()}},e.handleStartMouseWheel=()=>{e.startDolly()},e.handleEndMouseWheel=()=>{e.endDolly()},e.handleStartPinch=n=>{t.previousScale=n.scale,e.startDolly()},e.handleEndPinch=()=>{e.endDolly()},e.handleStartRotate=n=>{t.previousRotation=n.rotation,e.startRotate()},e.handleEndRotate=()=>{e.endRotate()},e.handleStartPan=n=>{t.previousTranslation=n.translation,e.startPan()},e.handleEndPan=()=>{e.endPan()},e.handlePinch=n=>{e.dollyByFactor(n.pokedRenderer,n.scale/t.previousScale),t.previousScale=n.scale},e.handlePan=n=>{const r=n.pokedRenderer.getActiveCamera();let o=r.getFocalPoint();o=e.computeWorldToDisplay(n.pokedRenderer,o[0],o[1],o[2]);const i=o[2],a=n.translation,s=t.previousTranslation,l=e.computeDisplayToWorld(n.pokedRenderer,o[0]+a[0]-s[0],o[1]+a[1]-s[1],i),u=e.computeDisplayToWorld(n.pokedRenderer,o[0],o[1],i),c=[];c[0]=u[0]-l[0],c[1]=u[1]-l[1],c[2]=u[2]-l[2],o=r.getFocalPoint();const d=r.getPosition();r.setFocalPoint(c[0]+o[0],c[1]+o[1],c[2]+o[2]),r.setPosition(c[0]+d[0],c[1]+d[1],c[2]+d[2]),t._interactor.getLightFollowCamera()&&n.pokedRenderer.updateLightsGeometryToFollowCamera(),r.orthogonalizeViewUp(),t.previousTranslation=n.translation},e.handleRotate=e=>{const n=e.pokedRenderer.getActiveCamera();n.roll(e.rotation-t.previousRotation),n.orthogonalizeViewUp(),t.previousRotation=e.rotation},e.handleMouseRotate=(e,n)=>{if(!t.previousPosition)return;const r=t._interactor,o=n.x-t.previousPosition.x,i=n.y-t.previousPosition.y,a=r.getView().getViewportSize(e);let s=-.1,l=-.1;a[0]&&a[1]&&(s=-20/a[1],l=-20/a[0]);const 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gh={newInstance:gt.newInstance(mh,"vtkInteractorStyleTrackballCamera"),extend:mh};function vh(e){return e}function yh(e){return null===e||"null"===e?null:"true"===e||"false"!==e&&(void 0!==e&&"undefined"!==e?"["===e[0]&&"]"===e[e.length-1]?e.substring(1,e.length-1).split(",").map((e=>yh(e.trim()))):""===e||Number.isNaN(Number(e))?e:Number(e):void 0)}var bh=function(){let e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0],t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:window.location.search;const n={},r=e?yh:vh,o=(t||"").replace(/#.*/,"").replace("?","").split("&");return o.forEach((e=>{const[t,o]=e.split("=").map((e=>decodeURIComponent(e)));t&&(n[t]=!o||r(o))})),n},xh={CoordinateSystem:{DISPLAY:0,WORLD:1}};const{CoordinateSystem:_h}=xh;function Th(e){return()=>gt.vtkErrorMacro(`vtkProp::${e} - NOT IMPLEMENTED`)}function Sh(e,t){t.classHierarchy.push("vtkProp"),e.getMTime=()=>{let e=t.mtime;for(let n=0;ne&&(e=r)}return 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r=t.textures.filter((e=>e!==n));t.textures.length!==r.length&&(t.textures=r,e.modified())},e.removeAllTextures=()=>{t.textures=[],e.modified()},e.setCoordinateSystemToWorld=()=>e.setCoordinateSystem(_h.WORLD),e.setCoordinateSystemToDisplay=()=>e.setCoordinateSystem(_h.DISPLAY)}const wh={allocatedRenderTime:10,coordinateSystem:_h.WORLD,dragable:!0,estimatedRenderTime:0,paths:null,pickable:!0,renderTimeMultiplier:1,savedEstimatedRenderTime:0,textures:[],useBounds:!0,visibility:!0};function Ch(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,wh,n),gt.obj(e,t),gt.get(e,t,["estimatedRenderTime","allocatedRenderTime"]),gt.setGet(e,t,["_parentProp","coordinateSystem","dragable","pickable","renderTimeMultiplier","useBounds","visibility"]),gt.moveToProtected(e,t,["parentProp"]),Sh(e,t)}var Ah={newInstance:gt.newInstance(Ch,"vtkProp"),extend:Ch,...xh};function Eh(e,t){t.classHierarchy.push("vtkProp3D"),e.addPosition=n=>{t.position=t.position.map(((e,t)=>e+n[t])),e.modified()},e.getOrientationWXYZ=()=>{const e=Ro();F(e,t.rotation);const n=new Float64Array(3),r=function(e,t){var n=2*Math.acos(t[3]),r=Math.sin(n/2);return r>o?(e[0]=t[0]/r,e[1]=t[1]/r,e[2]=t[2]/r):(e[0]=1,e[1]=0,e[2]=0),n}(n,e);return[_n(r),n[0],n[1],n[2]]},e.rotateX=n=>{0!==n&&(T(t.rotation,t.rotation,xn(n)),e.modified())},e.rotateY=n=>{0!==n&&(S(t.rotation,t.rotation,xn(n)),e.modified())},e.rotateZ=n=>{0!==n&&(w(t.rotation,t.rotation,xn(n)),e.modified())},e.rotateWXYZ=(n,r,o,i)=>{if(0===n||0===r&&0===o&&0===i)return;const a=xn(n),s=Ro();Fo(s,[r,o,i],a);const l=new Float64Array(16);B(l,s),y(t.rotation,t.rotation,l),e.modified()},e.setOrientation=(n,r,o)=>(n!==t.orientation[0]||r!==t.orientation[1]||o!==t.orientation[2])&&(t.orientation=[n,r,o],f(t.rotation),e.rotateZ(o),e.rotateX(n),e.rotateY(r),e.modified(),!0),e.setUserMatrix=n=>!$n(t.userMatrix,n)&&(c(t.userMatrix,n),e.modified(),!0),e.getMatrix=()=>(e.computeMatrix(),t.matrix),e.computeMatrix=()=>{if(e.getMTime()>t.matrixMTime.getMTime()){f(t.matrix),t.userMatrix&&y(t.matrix,t.matrix,t.userMatrix),b(t.matrix,t.matrix,t.origin),b(t.matrix,t.matrix,t.position),y(t.matrix,t.matrix,t.rotation),x(t.matrix,t.matrix,t.scale),b(t.matrix,t.matrix,[-t.origin[0],-t.origin[1],-t.origin[2]]),h(t.matrix,t.matrix),t.isIdentity=!0;for(let e=0;e<4;++e)for(let 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Oh={newInstance:gt.newInstance(Ih,"vtkProp3D"),extend:Ih};const{vtkDebugMacro:Ph}=gt;function Nh(e,t){t.classHierarchy.push("vtkActor");const n={...e};e.getActors=()=>[e],e.getIsOpaque=()=>{if(t.forceOpaque)return!0;if(t.forceTranslucent)return!1;t.property||e.getProperty();let n=t.property.getOpacity()>=1;return n=n&&(!t.texture||!t.texture.isTranslucent()),n=n&&(!t.mapper||t.mapper.getIsOpaque()),n},e.hasTranslucentPolygonalGeometry=()=>null!==t.mapper&&(null===t.property&&e.setProperty(e.makeProperty()),!e.getIsOpaque()),e.makeProperty=wu.newInstance,e.getProperty=()=>(null===t.property&&(t.property=e.makeProperty()),t.property),e.getBounds=()=>{if(null===t.mapper)return t.bounds;const n=t.mapper.getBounds();if(!n||6!==n.length)return n;if(n[0]>n[1])return t.mapperBounds=n.concat(),t.bounds=[1,-1,1,-1,1,-1],t.boundsMTime.modified(),n;if(!t.mapperBounds||n[0]!==t.mapperBounds[0]||n[1]!==t.mapperBounds[1]||n[2]!==t.mapperBounds[2]||n[3]!==t.mapperBounds[3]||n[4]!==t.mapperBounds[4]||n[5]!==t.mapperBounds[5]||e.getMTime()>t.boundsMTime.getMTime()){Ph("Recomputing bounds..."),t.mapperBounds=n.concat();const r=[];bf.getCorners(n,r),e.computeMatrix();const o=new Float64Array(16);h(o,t.matrix),r.forEach((e=>Yt(e,e,o))),t.bounds[0]=t.bounds[2]=t.bounds[4]=Number.MAX_VALUE,t.bounds[1]=t.bounds[3]=t.bounds[5]=-Number.MAX_VALUE,t.bounds=t.bounds.map(((e,t)=>t%2==0?r.reduce(((e,n)=>e>n[t/2]?n[t/2]:e),e):r.reduce(((e,n)=>e{let e=n.getMTime();if(null!==t.property){const n=t.property.getMTime();e=n>e?n:e}if(null!==t.backfaceProperty){const n=t.backfaceProperty.getMTime();e=n>e?n:e}return e},e.getRedrawMTime=()=>{let e=t.mtime;if(null!==t.mapper){let n=t.mapper.getMTime();e=n>e?n:e,null!==t.mapper.getInput()&&(t.mapper.getInputAlgorithm().update(),n=t.mapper.getInput().getMTime(),e=n>e?n:e)}return e},e.getSupportsSelection=()=>!!t.mapper&&t.mapper.getSupportsSelection(),e.processSelectorPixelBuffers=(e,n)=>{t.mapper&&t.mapper.processSelectorPixelBuffers&&t.mapper.processSelectorPixelBuffers(e,n)}}const Mh={mapper:null,property:null,backfaceProperty:null,forceOpaque:!1,forceTranslucent:!1,bounds:[1,-1,1,-1,1,-1]};function Rh(e,t){t.classHierarchy.push("vtkAbstractMapper"),e.update=()=>{e.getInputData()},e.addClippingPlane=n=>!!n.isA("vtkPlane")&&!t.clippingPlanes.includes(n)&&(t.clippingPlanes.push(n),e.modified(),!0),e.getNumberOfClippingPlanes=()=>t.clippingPlanes.length,e.removeAllClippingPlanes=()=>0!==t.clippingPlanes.length&&(t.clippingPlanes.length=0,e.modified(),!0),e.removeClippingPlane=n=>{const r=t.clippingPlanes.indexOf(n);return-1!==r&&(t.clippingPlanes.splice(r,1),e.modified(),!0)},e.getClippingPlanes=()=>t.clippingPlanes,e.setClippingPlanes=t=>{if(t)if(Array.isArray(t)){const n=t.length;for(let r=0;r{const o=t.clippingPlanes,i=e;if(o){const e=o.length;if(n>=0&&n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Mh,n),Oh.extend(e,t,n),t.boundsMTime={},gt.obj(t.boundsMTime),gt.set(e,t,["property"]),gt.setGet(e,t,["backfaceProperty","forceOpaque","forceTranslucent","mapper"]),Nh(e,t)}),"vtkActor");const Fh={clippingPlanes:[]};var kh=function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fh,n),gt.obj(e,t),gt.algo(e,t,1,0),t.clippingPlanes||(t.clippingPlanes=[]),Rh(e,t)};function Lh(e,t){e.getBounds=()=>(gt.vtkErrorMacro("vtkAbstractMapper3D.getBounds - NOT IMPLEMENTED"),Dr()),e.getCenter=()=>{const n=e.getBounds();return t.center=bf.isValid(n)?bf.getCenter(n):null,t.center?.slice()},e.getLength=()=>{const t=e.getBounds();return 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0:arguments[0];n=e[0],r=e[1],o=e[2]}else{if(3!==arguments.length)return void Wh("Bad dimension specification");n=arguments.length<=0?void 0:arguments[0],r=arguments.length<=1?void 0:arguments[1],o=arguments.length<=2?void 0:arguments[2]}e.setExtent(0,n-1,0,r-1,0,o-1)}},e.getDimensions=()=>[t.extent[1]-t.extent[0]+1,t.extent[3]-t.extent[2]+1,t.extent[5]-t.extent[4]+1],e.getNumberOfCells=()=>{const t=e.getDimensions();let n=1;for(let e=0;e<3;e++){if(0===t[e])return 0;t[e]>1&&(n*=t[e]-1)}return n},e.getNumberOfPoints=()=>{const t=e.getDimensions();return t[0]*t[1]*t[2]},e.getPoint=n=>{const r=e.getDimensions();if(0===r[0]||0===r[1]||0===r[2])return Wh("Requesting a point from an empty image."),null;const o=new Float64Array(3);switch(t.dataDescription){case Uh.EMPTY:return null;case Uh.SINGLE_POINT:break;case Uh.X_LINE:o[0]=n;break;case Uh.Y_LINE:o[1]=n;break;case Uh.Z_LINE:o[2]=n;break;case Uh.XY_PLANE:o[0]=n%r[0],o[1]=n/r[0];break;case Uh.YZ_PLANE:o[1]=n%r[1],o[2]=n/r[1];break;case 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n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return Yt(n,e,t.worldToIndex),n},e.worldToIndexVec3=e.worldToIndex,e.indexToWorldBounds=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return bf.transformBounds(e,t.indexToWorld,n)},e.worldToIndexBounds=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return bf.transformBounds(e,t.worldToIndex,n)},e.onModified(e.computeTransforms),e.computeTransforms(),e.getCenter=()=>bf.getCenter(e.getBounds()),e.computeHistogram=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;const r=[0,0,0,0,0,0];e.worldToIndexBounds(t,r);const o=[0,0,0],i=[0,0,0];bf.computeCornerPoints(r,o,i),er(o,o),er(i,i);const a=e.getDimensions();_r(o,[0,0,0],[a[0]-1,a[1]-1,a[2]-1],o),_r(i,[0,0,0],[a[0]-1,a[1]-1,a[2]-1],i);const s=a[0],l=a[0]*a[1],u=e.getPointData().getScalars().getData();let c=-1/0,d=1/0,p=0,f=0,h=0;for(let e=o[2];e<=i[2];e++)for(let t=o[1];t<=i[1];t++){let a=o[0]+t*s+e*l;for(let s=o[0];s<=i[0];s++){if(!n||n([s,t,e],r)){const e=u[a];e>c&&(c=e),e0?f/h:0,g=h?Math.abs(p/h-m*m):0,v=Math.sqrt(g);return{minimum:d,maximum:c,average:m,variance:g,sigma:v,count:h}},e.computeIncrements=function(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;const n=[];let r=t;for(let t=0;t<3;++t)n[t]=r,r*=e[2*t+1]-e[2*t]+1;return n},e.computeOffsetIndex=t=>{let[n,r,o]=t;const i=e.getExtent(),a=e.getPointData().getScalars().getNumberOfComponents(),s=e.computeIncrements(i,a);return Math.floor((Math.round(n)-i[0])*s[0]+(Math.round(r)-i[2])*s[1]+(Math.round(o)-i[4])*s[2])},e.getOffsetIndexFromWorld=t=>{const n=e.getExtent(),r=e.worldToIndex(t);for(let e=0;e<3;++e)if(r[e]n[2*e+1])return Wh(`GetScalarPointer: Pixel ${r} is not in memory. Current extent = ${n}`),NaN;return e.computeOffsetIndex(r)},e.getScalarValueFromWorld=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const r=e.getPointData().getScalars().getNumberOfComponents();if(n<0||n>=r)return Wh(`GetScalarPointer: Scalar Component ${n} is not within bounds. Current Scalar numberOfComponents: ${r}`),NaN;const o=e.getOffsetIndexFromWorld(t);return Number.isNaN(o)?o:e.getPointData().getScalars().getComponent(o,n)}}const Xh={direction:null,indexToWorld:null,worldToIndex:null,spacing:[1,1,1],origin:[0,0,0],extent:[0,-1,0,-1,0,-1],dataDescription:Uh.EMPTY};function Kh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Xh,n),di.extend(e,t,n),t.direction?Array.isArray(t.direction)&&(t.direction=new Float64Array(t.direction.slice(0,9))):t.direction=ae(new Float64Array(9)),t.indexToWorld=new Float64Array(16),t.worldToIndex=new Float64Array(16),gt.get(e,t,["indexToWorld","worldToIndex"]),gt.setGetArray(e,t,["origin","spacing"],3),gt.setGetArray(e,t,["direction"],9),gt.getArray(e,t,["extent"],6),Hh(e,t)}var qh={newInstance:gt.newInstance(Kh,"vtkImageData"),extend:Kh};const{vtkErrorMacro:$h}=gt;function Yh(e,t){t.classHierarchy.push("vtkLookupTable"),e.isOpaque=()=>{if(t.opaqueFlagBuildTime.getMTime()!1,e.getNumberOfAvailableColors=()=>t.table.length/4,e.linearIndexLookup=(e,t)=>{let n=0;const r=Number(e);return rt.range[1]?n=t.maxIndex+1+1.5:(n=(r+t.shift)*t.scale,n=n{let o=0;o=Er(t)?Math.floor(r.maxIndex+1.5+2):e.linearIndexLookup(t,r);const i=4*o;return n.slice(i,i+4)},e.indexedLookupFunction=(n,r,o)=>{let i=e.getAnnotatedValueIndexInternal(n);-1===i&&(i=t.numberOfColors+2);const a=4*i;return[r[a],r[a+1],r[a+2],r[a+3]]},e.lookupShiftAndScale=(e,t)=>{t.shift=-e[0],t.scale=Number.MAX_VALUE,e[1]>e[0]&&(t.scale=(t.maxIndex+1)/(e[1]-e[0]))},e.mapScalarsThroughTable=(n,r,o,i)=>{let a=e.linearLookup;t.indexedLookup&&(a=e.indexedLookupFunction);const s=e.getMappingRange(),l={maxIndex:e.getNumberOfColors()-1,range:s,shift:0,scale:0};e.lookupShiftAndScale(s,l);const u=e.getAlpha(),c=n.getNumberOfTuples(),d=n.getNumberOfComponents(),p=r.getData(),f=n.getData();if(u>=1){if(o===$d.RGBA)for(let e=0;e{let n=0,r=0,o=0,i=0;const a=t.numberOfColors-1;a&&(n=(t.hueRange[1]-t.hueRange[0])/a,r=(t.saturationRange[1]-t.saturationRange[0])/a,o=(t.valueRange[1]-t.valueRange[0])/a,i=(t.alphaRange[1]-t.alphaRange[0])/a),t.table.length=4*a+16;const s=[],l=[];for(let e=0;e<=a;e++)s[0]=t.hueRange[0]+e*n,s[1]=t.saturationRange[0]+e*r,s[2]=t.valueRange[0]+e*o,dr(s,l),l[3]=t.alphaRange[0]+e*i,t.table[4*e]=255*l[0]+.5,t.table[4*e+1]=255*l[1]+.5,t.table[4*e+2]=255*l[2]+.5,t.table[4*e+3]=255*l[3]+.5;e.buildSpecialColors(),t.buildTime.modified()},e.setTable=n=>{if(Array.isArray(n)){const r=n[0].length;t.numberOfColors=n.length;const o=4-r;let i=0;for(let e=0;e{const{numberOfColors:e}=t,n=t.table;let r=4*(e+0);t.useBelowRangeColor||0===e?(n[r]=255*t.belowRangeColor[0]+.5,n[r+1]=255*t.belowRangeColor[1]+.5,n[r+2]=255*t.belowRangeColor[2]+.5,n[r+3]=255*t.belowRangeColor[3]+.5):(n[r]=n[0],n[r+1]=n[1],n[r+2]=n[2],n[r+3]=n[3]),r=4*(e+1),t.useAboveRangeColor||0===e?(n[r]=255*t.aboveRangeColor[0]+.5,n[r+1]=255*t.aboveRangeColor[1]+.5,n[r+2]=255*t.aboveRangeColor[2]+.5,n[r+3]=255*t.aboveRangeColor[3]+.5):(n[r]=n[4*(e-1)+0],n[r+1]=n[4*(e-1)+1],n[r+2]=n[4*(e-1)+2],n[r+3]=n[4*(e-1)+3]),r=4*(e+2),n[r]=255*t.nanColor[0]+.5,n[r+1]=255*t.nanColor[1]+.5,n[r+2]=255*t.nanColor[2]+.5,n[r+3]=255*t.nanColor[3]+.5},e.build=()=>{(t.table.length<1||e.getMTime()>t.buildTime.getMTime()&&t.insertTime.getMTime()<=t.buildTime.getMTime())&&e.forceBuild()},t.table.length>0&&(e.buildSpecialColors(),t.insertTime.modified())}const Jh={numberOfColors:256,hueRange:[0,.66667],saturationRange:[1,1],valueRange:[1,1],alphaRange:[1,1],nanColor:[.5,0,0,1],belowRangeColor:[0,0,0,1],aboveRangeColor:[1,1,1,1],useAboveRangeColor:!1,useBelowRangeColor:!1,alpha:1};function Qh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Jh,n),lp.extend(e,t,n),t.table||(t.table=[]),t.buildTime={},gt.obj(t.buildTime),t.opaqueFlagBuildTime={},gt.obj(t.opaqueFlagBuildTime,{mtime:0}),t.insertTime={},gt.obj(t.insertTime,{mtime:0}),gt.get(e,t,["buildTime"]),gt.setGet(e,t,["numberOfColors","useAboveRangeColor","useBelowRangeColor"]),gt.setArray(e,t,["alphaRange","hueRange","saturationRange","valueRange"],2),gt.setArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"],4),gt.getArray(e,t,["hueRange","saturationRange","valueRange","alphaRange","nanColor","belowRangeColor","aboveRangeColor"]),Yh(e,t)}var Zh={newInstance:gt.newInstance(Qh,"vtkLookupTable"),extend:Qh};let em=1,tm=0;const nm=["VTK_RESOLVE_OFF","VTK_RESOLVE_POLYGON_OFFSET"];function rm(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;tm=e}var om={getResolveCoincidentTopologyAsString:function(){return nm[tm]},getResolveCoincidentTopologyPolygonOffsetFaces:function(){return em},getResolveCoincidentTopology:function(){return tm},setResolveCoincidentTopology:rm,setResolveCoincidentTopologyPolygonOffsetFaces:function(e){em=e},setResolveCoincidentTopologyToDefault:function(){rm(0)},setResolveCoincidentTopologyToOff:function(){rm(0)},setResolveCoincidentTopologyToPolygonOffset:function(){rm(1)}};function im(e,t,n){n.forEach((n=>{e[`get${n.method}`]=()=>t[n.key],e[`set${n.method}`]=(e,r)=>{t[n.key]={factor:e,offset:r}}}))}const am=["Polygon","Line","Point"],sm={};im(sm,{Polygon:{factor:2,offset:0},Line:{factor:1,offset:-1},Point:{factor:0,offset:-2}},am.map((e=>({key:e,method:`ResolveCoincidentTopology${e}OffsetParameters`}))));var lm={implementCoincidentTopologyMethods:function(e,t){void 0===t.resolveCoincidentTopology&&(t.resolveCoincidentTopology=!1),gt.setGet(e,t,["resolveCoincidentTopology"]),t.topologyOffset={Polygon:{factor:0,offset:0},Line:{factor:0,offset:0},Point:{factor:0,offset:0}},Object.keys(om).forEach((t=>{e[t]=om[t]})),Object.keys(sm).forEach((t=>{e[t]=sm[t]})),im(e,t.topologyOffset,am.map((e=>({key:e,method:`RelativeCoincidentTopology${e}OffsetParameters`})))),e.getCoincidentTopologyPolygonOffsetParameters=()=>{const t=sm.getResolveCoincidentTopologyPolygonOffsetParameters(),n=e.getRelativeCoincidentTopologyPolygonOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyLineOffsetParameters=()=>{const t=sm.getResolveCoincidentTopologyLineOffsetParameters(),n=e.getRelativeCoincidentTopologyLineOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyPointOffsetParameter=()=>{const t=sm.getResolveCoincidentTopologyPointOffsetParameters(),n=e.getRelativeCoincidentTopologyPointOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}}},staticOffsetAPI:sm,otherStaticMethods:om,CATEGORIES:am};const um={MIN_KNOWN_PASS:0,ACTOR_PASS:0,COMPOSITE_INDEX_PASS:1,ID_LOW24:2,ID_HIGH24:3,MAX_KNOWN_PASS:3};var cm={PassTypes:um};const{FieldAssociations:dm}=di,{staticOffsetAPI:pm,otherStaticMethods:fm}=lm,{ColorMode:hm,ScalarMode:mm,GetArray:gm}=Jd,{VectorMode:vm}=Yd,{VtkDataTypes:ym}=Wr;function bm(e){return()=>gt.vtkErrorMacro(`vtkMapper::${e} - NOT IMPLEMENTED`)}function xm(e,t){t.classHierarchy.push("vtkMapper"),e.getBounds=()=>{const n=e.getInputData();return n?(t.static||e.update(),t.bounds=n.getBounds()):t.bounds=Dr(),t.bounds},e.setForceCompileOnly=e=>{t.forceCompileOnly=e},e.setSelectionWebGLIdsToVTKIds=e=>{t.selectionWebGLIdsToVTKIds=e},e.createDefaultLookupTable=()=>{t.lookupTable=Zh.newInstance()},e.getColorModeAsString=()=>gt.enumToString(hm,t.colorMode),e.setColorModeToDefault=()=>e.setColorMode(0),e.setColorModeToMapScalars=()=>e.setColorMode(1),e.setColorModeToDirectScalars=()=>e.setColorMode(2),e.getScalarModeAsString=()=>gt.enumToString(mm,t.scalarMode),e.setScalarModeToDefault=()=>e.setScalarMode(0),e.setScalarModeToUsePointData=()=>e.setScalarMode(1),e.setScalarModeToUseCellData=()=>e.setScalarMode(2),e.setScalarModeToUsePointFieldData=()=>e.setScalarMode(3),e.setScalarModeToUseCellFieldData=()=>e.setScalarMode(4),e.setScalarModeToUseFieldData=()=>e.setScalarMode(5),e.getAbstractScalars=(e,n,r,o,i)=>{if(!e||!t.scalarVisibility)return{scalars:null,cellFLag:!1};let a=null,s=!1;if(n===mm.DEFAULT)a=e.getPointData().getScalars(),a||(a=e.getCellData().getScalars(),s=!0);else if(n===mm.USE_POINT_DATA)a=e.getPointData().getScalars();else if(n===mm.USE_CELL_DATA)a=e.getCellData().getScalars(),s=!0;else if(n===mm.USE_POINT_FIELD_DATA){const t=e.getPointData();a=r===gm.BY_ID?t.getArrayByIndex(o):t.getArrayByName(i)}else if(n===mm.USE_CELL_FIELD_DATA){const t=e.getCellData();s=!0,a=r===gm.BY_ID?t.getArrayByIndex(o):t.getArrayByName(i)}else if(n===mm.USE_FIELD_DATA){const t=e.getFieldData();a=r===gm.BY_ID?t.getArrayByIndex(o):t.getArrayByName(i)}return{scalars:a,cellFlag:s}},e.mapScalars=(n,r)=>{const o=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!o)return t.colorCoordinates=null,t.colorTextureMap=null,void(t.colorMapColors=null);const i=`${e.getMTime()}${o.getMTime()}${r}`;if(t.colorBuildString!==i){if(t.useLookupTableScalarRange||e.getLookupTable().setRange(t.scalarRange[0],t.scalarRange[1]),e.canUseTextureMapForColoring(n))e.mapScalarsToTexture(o,r);else{t.colorCoordinates=null,t.colorTextureMap=null;const n=e.getLookupTable();n&&(n.build(),t.colorMapColors=n.mapScalars(o,t.colorMode,t.fieldDataTupleId))}t.colorBuildString=`${e.getMTime()}${o.getMTime()}${r}`}},e.scalarToTextureCoordinate=(e,t,n)=>{let r=.5,o=1;return Er(e)||(o=.49,r=(e-t)*n,r>1e3?r=1e3:r<-1e3&&(r=-1e3)),{texCoordS:r,texCoordT:o}},e.createColorTextureCoordinates=(t,n,r,o,i,a,s,l,u)=>{const c=(a[1]-a[0])/l,d=[];d[0]=a[0]-c,d[1]=a[1]+c;const p=1/(d[1]-d[0]),f=n.getData(),h=t.getData();let m=0,g=0;if(i<0||i>=o)for(let t=0;t{const o=t.lookupTable.getRange(),i=t.lookupTable.usingLogScale();i&&Zh.getLogRange(o,o);const a=t.lookupTable.getAlpha();if(t.colorMapColors=null,null==t.colorTextureMap||e.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getAlpha()!==r){t.lookupTable.setAlpha(r),t.colorTextureMap=null,t.lookupTable.build();let e=t.lookupTable.getNumberOfAvailableColors();e>4094&&(e=4094),e<64&&(e=64),e+=2;const n=(o[1]-o[0])/(e-2),s=new Float64Array(2*e);for(let t=0;tt.colorCoordinates.getMTime()||e.getInputData(0).getMTime()>t.colorCoordinates.getMTime()||t.lookupTable.getMTime()>t.colorCoordinates.getMTime()){t.colorCoordinates=null;const r=n.getNumberOfComponents(),a=n.getNumberOfTuples();t.colorCoordinates=Wr.newInstance({numberOfComponents:2,values:new Float32Array(2*a)});let s=t.lookupTable.getVectorComponent();t.lookupTable.getVectorMode()===vm.MAGNITUDE&&n.getNumberOfComponents()>1&&(s=-1),e.createColorTextureCoordinates(n,t.colorCoordinates,a,r,s,o,t.lookupTable.getRange(),t.colorTextureMap.getPointData().getScalars().getNumberOfTuples()/2-2,i)}},e.getIsOpaque=()=>{const n=e.getInputData(),r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!t.scalarVisibility||null==r)return!0;const o=e.getLookupTable();return!o||(o.build(),o.areScalarsOpaque(r,t.colorMode,-1))},e.canUseTextureMapForColoring=n=>{if(!t.interpolateScalarsBeforeMapping)return!1;if(t.lookupTable&&t.lookupTable.getIndexedLookup())return!1;const r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName),o=r.scalars;return!(!o||r.cellFlag||t.colorMode===hm.DEFAULT&&o.getDataType()===ym.UNSIGNED_CHAR||t.colorMode===hm.DIRECT_SCALARS)},e.clearColorArrays=()=>{t.colorMapColors=null,t.colorCoordinates=null,t.colorTextureMap=null},e.getLookupTable=()=>(t.lookupTable||e.createDefaultLookupTable(),t.lookupTable),e.getMTime=()=>{let e=t.mtime;if(null!==t.lookupTable){const n=t.lookupTable.getMTime();e=n>e?n:e}return e},e.getPrimitiveCount=()=>{const t=e.getInputData();return{points:t.getPoints().getNumberOfValues()/3,verts:t.getVerts().getNumberOfValues()-t.getVerts().getNumberOfCells(),lines:t.getLines().getNumberOfValues()-2*t.getLines().getNumberOfCells(),triangles:t.getPolys().getNumberOfValues()-3*t.getPolys().getNumberOfCells()}},e.acquireInvertibleLookupTable=bm("AcquireInvertibleLookupTable"),e.valueToColor=bm("ValueToColor"),e.colorToValue=bm("ColorToValue"),e.useInvertibleColorFor=bm("UseInvertibleColorFor"),e.clearInvertibleColor=bm("ClearInvertibleColor"),e.processSelectorPixelBuffers=(e,n)=>{if(!e||!t.selectionWebGLIdsToVTKIds||!t.populateSelectionSettings)return;const r=e.getRawPixelBuffer(um.ID_LOW24),o=e.getRawPixelBuffer(um.ID_HIGH24),i=e.getCurrentPass(),a=e.getFieldAssociation();let s=null;a===dm.FIELD_ASSOCIATION_POINTS?s=t.selectionWebGLIdsToVTKIds.points:a===dm.FIELD_ASSOCIATION_CELLS&&(s=t.selectionWebGLIdsToVTKIds.cells),s&&n.forEach((t=>{if(i===um.ID_LOW24){let n=0;o&&(n+=o[t],n*=256),n+=r[t+2],n*=256,n+=r[t+1],n*=256,n+=r[t];const i=s[n],a=e.getPixelBuffer(um.ID_LOW24);a[t]=255&i,a[t+1]=(65280&i)>>8,a[t+2]=(16711680&i)>>16}else if(i===um.ID_HIGH24&&o){let n=0;n+=o[t],n*=256,n+=r[t],n*=256,n+=r[t+1],n*=256,n+=r[t+2];const i=s[n];e.getPixelBuffer(um.ID_HIGH24)[t]=(4278190080&i)>>24}}))}}const _m={colorMapColors:null,static:!1,lookupTable:null,scalarVisibility:!0,scalarRange:[0,1],useLookupTableScalarRange:!1,colorMode:0,scalarMode:0,arrayAccessMode:1,renderTime:0,colorByArrayName:null,fieldDataTupleId:-1,populateSelectionSettings:!0,selectionWebGLIdsToVTKIds:null,interpolateScalarsBeforeMapping:!1,colorCoordinates:null,colorTextureMap:null,forceCompileOnly:0,useInvertibleColors:!1,invertibleScalars:null,customShaderAttributes:[]};function Tm(e,t){t.classHierarchy.push("vtkRenderPass"),e.getOperation=()=>t.currentOperation,e.setCurrentOperation=e=>{t.currentOperation=e,t.currentTraverseOperation=`traverse${gt.capitalize(t.currentOperation)}`},e.getTraverseOperation=()=>t.currentTraverseOperation,e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;t.deleted||(t._currentParent=r,t.preDelegateOperations.forEach((t=>{e.setCurrentOperation(t),n.traverse(e)})),t.delegates.forEach((t=>{t.traverse(n,e)})),t.postDelegateOperations.forEach((t=>{e.setCurrentOperation(t),n.traverse(e)})))}}gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,_m,n),Vh(e,t,n),gt.get(e,t,["colorCoordinates","colorMapColors","colorTextureMap","selectionWebGLIdsToVTKIds"]),gt.setGet(e,t,["colorByArrayName","arrayAccessMode","colorMode","fieldDataTupleId","interpolateScalarsBeforeMapping","lookupTable","populateSelectionSettings","renderTime","scalarMode","scalarVisibility","static","useLookupTableScalarRange","customShaderAttributes"]),gt.setGetArray(e,t,["scalarRange"],2),lm.implementCoincidentTopologyMethods(e,t),xm(e,t)}),"vtkMapper");const Sm={delegates:[],currentOperation:null,preDelegateOperations:[],postDelegateOperations:[],currentParent:null};function wm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Sm,n),gt.obj(e,t),gt.get(e,t,["currentOperation"]),gt.setGet(e,t,["delegates","_currentParent","preDelegateOperations","postDelegateOperations"]),gt.moveToProtected(e,t,["currentParent"]),Tm(e,t)}var Cm={newInstance:gt.newInstance(wm,"vtkRenderPass"),extend:wm};const{Representation:Am}=wu,{vtkErrorMacro:Em}=gt;function Dm(e){const t=Ca.substitute(e.Fragment,"//VTK::RenderPassFragmentShader::Impl","\n float weight = gl_FragData[0].a * pow(max(1.1 - gl_FragCoord.z, 0.0), 2.0);\n gl_FragData[0] = vec4(gl_FragData[0].rgb*weight, gl_FragData[0].a);\n gl_FragData[1].r = weight;\n ",!1);e.Fragment=t.result}function Im(e,t){t.classHierarchy.push("vtkOpenGLOrderIndependentTranslucentPass"),e.createVertexBuffer=()=>{const e=new Float32Array([-1,-1,-1,1,-1,-1,-1,1,-1,1,1,-1]),n=new Float32Array([0,0,1,0,0,1,1,1]),r=new Uint16Array([4,0,1,3,2]),o=Wr.newInstance({numberOfComponents:3,values:e});o.setName("points");const i=Wr.newInstance({numberOfComponents:2,values:n});i.setName("tcoords");const a=Wr.newInstance({numberOfComponents:1,values:r});t.tris.getCABO().createVBO(a,"polys",Am.SURFACE,{points:o,tcoords:i,cellOffset:0}),t.VBOBuildTime.modified()},e.createFramebuffer=e=>{const n=e.getSize(),r=e.getContext();t.framebuffer=Zs.newInstance(),t.framebuffer.setOpenGLRenderWindow(e),t.framebuffer.create(...n),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind(),t.translucentRGBATexture=hs.newInstance(),t.translucentRGBATexture.setInternalFormat(r.RGBA16F),t.translucentRGBATexture.setFormat(r.RGBA),t.translucentRGBATexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRGBATexture.setOpenGLRenderWindow(e),t.translucentRGBATexture.create2DFromRaw(n[0],n[1],4,"Float32Array",null),t.translucentRTexture=hs.newInstance(),t.translucentRTexture.setInternalFormat(r.R16F),t.translucentRTexture.setFormat(r.RED),t.translucentRTexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRTexture.setOpenGLRenderWindow(e),t.translucentRTexture.create2DFromRaw(n[0],n[1],1,"Float32Array",null),t.translucentZTexture=hs.newInstance(),t.translucentZTexture.setOpenGLRenderWindow(e),t.translucentZTexture.createDepthFromRaw(n[0],n[1],"Float32Array",null),t.framebuffer.setColorBuffer(t.translucentRGBATexture,0),t.framebuffer.setColorBuffer(t.translucentRTexture,1),t.framebuffer.setDepthBuffer(t.translucentZTexture)},e.createCopyShader=e=>{t.copyShader=e.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","attribute vec2 tcoordTC;","varying vec2 tcoord;","void main() { tcoord = tcoordTC; gl_Position = vertexDC; }"].join("\n"),"//VTK::System::Dec\n\nin vec2 tcoord;\n\nuniform sampler2D translucentRTexture;\nuniform sampler2D translucentRGBATexture;\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n vec4 t1Color = texture(translucentRGBATexture, tcoord);\n float t2Color = texture(translucentRTexture, tcoord).r;\n gl_FragData[0] = vec4(t1Color.rgb/max(t2Color,0.01), 1.0 - t1Color.a);\n}\n","")},e.createVBO=n=>{const r=n.getContext();t.tris.setOpenGLRenderWindow(n),e.createVertexBuffer();const o=t.copyShader;t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(o,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),r.FLOAT,3,r.FALSE)||Em("Error setting vertexDC in copy shader VAO."),t.copyVAO.addAttributeArray(o,t.tris.getCABO(),"tcoordTC",t.tris.getCABO().getTCoordOffset(),t.tris.getCABO().getStride(),r.FLOAT,2,r.FALSE)||Em("Error setting vertexDC in copy shader VAO.")},e.traverse=(n,r,o)=>{if(t.deleted)return;const i=n.getSize(),a=n.getContext();if(t._supported=!1,r.getSelector()||!a||!n.getWebgl2()||!a.getExtension("EXT_color_buffer_half_float")&&!a.getExtension("EXT_color_buffer_float"))return e.setCurrentOperation("translucentPass"),void r.traverse(e);if(t._supported=!0,null===t.framebuffer)e.createFramebuffer(n);else{const r=t.framebuffer.getSize();null===r||r[0]!==i[0]||r[1]!==i[1]?(t.framebuffer.releaseGraphicsResources(),t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRTexture.releaseGraphicsResources(n),t.translucentZTexture.releaseGraphicsResources(n),e.createFramebuffer(n)):(t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind())}a.drawBuffers([a.COLOR_ATTACHMENT0]),a.clearBufferfv(a.COLOR,0,[0,0,0,0]),a.clearBufferfv(a.DEPTH,0,[1]),a.colorMask(!1,!1,!1,!1),o.getOpaqueActorCount()>0&&(o.setCurrentOperation("opaqueZBufferPass"),r.traverse(o)),a.colorMask(!0,!0,!0,!0),a.drawBuffers([a.COLOR_ATTACHMENT0,a.COLOR_ATTACHMENT1]),a.viewport(0,0,i[0],i[1]),a.scissor(0,0,i[0],i[1]),a.clearBufferfv(a.COLOR,0,[0,0,0,1]),a.clearBufferfv(a.COLOR,1,[0,0,0,0]),a.enable(a.DEPTH_TEST),a.enable(a.BLEND),a.blendFuncSeparate(a.ONE,a.ONE,a.ZERO,a.ONE_MINUS_SRC_ALPHA),e.setCurrentOperation("translucentPass"),r.traverse(e),a.drawBuffers([a.NONE]),t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader?e.createCopyShader(n):n.getShaderCache().readyShaderProgram(t.copyShader),t.copyVAO||(t.copyVAO=Ia.newInstance(),t.copyVAO.setOpenGLRenderWindow(n)),t.copyVAO.bind(),t.VBOBuildTime.getMTime()t._supported?Dm:null,e.releaseGraphicsResources=n=>{t.framebuffer&&(t.framebuffer.releaseGraphicsResources(n),t.framebuffer=null),t.translucentRGBATexture&&(t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRGBATexture=null),t.translucentRTexture&&(t.translucentRTexture.releaseGraphicsResources(n),t.translucentRTexture=null),t.translucentZTexture&&(t.translucentZTexture.releaseGraphicsResources(n),t.translucentZTexture=null),t.copyVAO&&(t.copyVAO.releaseGraphicsResources(n),t.copyVAO=null),t.copyShader&&(t.copyShader.releaseGraphicsResources(n),t.copyShader=null),t.tris&&(t.tris.releaseGraphicsResources(n),t.tris=null),e.modified()}}const Om={framebuffer:null,copyShader:null,tris:null};function Pm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Om,n),Cm.extend(e,t,n),t.VBOBuildTime={},gt.obj(t.VBOBuildTime,{mtime:0}),t.tris=Ra.newInstance(),gt.get(e,t,["framebuffer"]),Im(e,t)}var Nm={newInstance:gt.newInstance(Pm,"vtkOpenGLOrderIndependentTranslucentPass"),extend:Pm};function Mm(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getRenderable().getNumberOfLayers(),i=n.getChildren();for(let r=0;r0||t.translucentActorCount>0)&&t.volumeCount>0||t.depthRequested){const r=n.getFramebufferSize();null===t.framebuffer&&(t.framebuffer=Zs.newInstance()),t.framebuffer.setOpenGLRenderWindow(n),t.framebuffer.saveCurrentBindingsAndBuffers();const o=t.framebuffer.getSize();null!==o&&o[0]===r[0]&&o[1]===r[1]||(t.framebuffer.create(r[0],r[1]),t.framebuffer.populateFramebuffer()),t.framebuffer.bind(),e.setCurrentOperation("zBufferPass"),a.traverse(e),t.framebuffer.restorePreviousBindingsAndBuffers(),t.depthRequested=!1}e.setCurrentOperation("cameraPass"),a.traverse(e),t.opaqueActorCount>0&&(e.setCurrentOperation("opaquePass"),a.traverse(e)),t.translucentActorCount>0&&(t.translucentPass||(t.translucentPass=Nm.newInstance()),t.translucentPass.traverse(n,a,e)),t.volumeCount>0&&(e.setCurrentOperation("volumePass"),a.traverse(e)),t.overlayActorCount>0&&(e.setCurrentOperation("overlayPass"),a.traverse(e))}}},e.getZBufferTexture=()=>t.framebuffer?t.framebuffer.getColorTexture():null,e.requestDepth=()=>{t.depthRequested=!0},e.incrementOpaqueActorCount=()=>t.opaqueActorCount++,e.incrementTranslucentActorCount=()=>t.translucentActorCount++,e.incrementVolumeCount=()=>t.volumeCount++,e.incrementOverlayActorCount=()=>t.overlayActorCount++}const Rm={opaqueActorCount:0,translucentActorCount:0,volumeCount:0,overlayActorCount:0,framebuffer:null,depthRequested:!1};function Fm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Rm,n),Cm.extend(e,t,n),gt.get(e,t,["framebuffer","opaqueActorCount","translucentActorCount","volumeCount"]),Mm(e,t)}var km={newInstance:gt.newInstance(Fm,"vtkForwardPass"),extend:Fm};const{FieldAssociations:Lm}=di;function Bm(e,t){t.classHierarchy.push("vtkHardwareSelector"),e.getSourceDataAsync=async(e,t,n,r,o)=>{},e.selectAsync=async(t,n,r,o,i)=>{const a=await e.getSourceDataAsync(t,n,r,o,i);return a?a.generateSelection(n,r,o,i):[]}}const Vm={fieldAssociation:Lm.FIELD_ASSOCIATION_CELLS,captureZValues:!1};function Um(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Vm,n),gt.obj(e,t),gt.setGet(e,t,["fieldAssociation","captureZValues"]),Bm(e,t)}var Gm={newInstance:gt.newInstance(Um,"vtkHardwareSelector"),extend:Um};function zm(e,t){t.classHierarchy.push("vtkSelectionNode"),e.getBounds=()=>t.points.getBounds()}const jm={contentType:-1,fieldType:-1,properties:null,selectionList:[]};function Wm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,jm,n),gt.obj(e,t),t.properties={},gt.setGet(e,t,["contentType","fieldType","properties","selectionList"]),zm(e,t)}var Hm={newInstance:gt.newInstance(Wm,"vtkSelectionNode"),extend:Wm,SelectionContent:{GLOBALIDS:0,PEDIGREEIDS:1,VALUES:2,INDICES:3,FRUSTUM:4,LOCATIONS:5,THRESHOLDS:6,BLOCKS:7,QUERY:8},SelectionField:{CELL:0,POINT:1,FIELD:2,VERTEX:3,EDGE:4,ROW:5}};const{PassTypes:Xm}=cm,{SelectionContent:Km,SelectionField:qm}=Hm,{FieldAssociations:$m}=di,{vtkErrorMacro:Ym}=gt;function Jm(e){return`${e.propID} ${e.compositeID}`}function Qm(e,t,n,r){return n?n[4*(t*(r[2]-r[0]+1)+e)+3]:0}function Zm(e,t,n,r){if(!n)return 0;const o=4*(t*(r[2]-r[0]+1)+e),i=n[o],a=n[o+1];return 256*(256*n[o+2]+a)+i}function eg(e,t){let n=t;return n<<=24,n|=e,n}function tg(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]e.area[2]||t[1]e.area[3])return null;const n=[t[0]-e.area[0],t[1]-e.area[1]],o=Zm(n[0],n[1],e.pixBuffer[Xm.ACTOR_PASS],e.area);if(o<=0||o-1>=e.props.length)return null;const i={valid:!0};i.propID=o-1,i.prop=e.props[i.propID];let a=Zm(n[0],n[1],e.pixBuffer[Xm.COMPOSITE_INDEX_PASS],e.area);if((a<0||a>16777215)&&(a=0),i.compositeID=a-1,e.captureZValues){const r=4*(n[1]*(e.area[2]-e.area[0]+1)+n[0]);i.zValue=(256*e.zBuffer[r]+e.zBuffer[r+1])/65535,i.displayPosition=t}if(e.pixBuffer[Xm.ID_LOW24]&&0===Qm(n[0],n[1],e.pixBuffer[Xm.ID_LOW24],e.area))return i;const s=Zm(n[0],n[1],e.pixBuffer[Xm.ID_LOW24],e.area),l=Zm(n[0],n[1],e.pixBuffer[Xm.ID_HIGH24],e.area);return i.attributeID=eg(s,l),i}const i=[t[0],t[1]],a=[0,0];let s=tg(e,t,0,r);if(s&&s.valid)return s;for(let t=1;tt?i[1]-t:0;n<=i[1]+t;++n){if(a[1]=n,i[0]>=t&&(a[0]=i[0]-t,s=tg(e,a,0,r),s&&s.valid))return s;if(a[0]=i[0]+t,s=tg(e,a,0,r),s&&s.valid)return s}for(let n=i[0]>=t?i[0]-(t-1):0;n<=i[0]+(t-1);++n){if(a[0]=n,i[1]>=t&&(a[1]=i[1]-t,s=tg(e,a,0,r),s&&s.valid))return s;if(a[1]=i[1]+t,s=tg(e,a,0,r),s&&s.valid)return s}}return r[0]=t[0],r[1]=t[1],null}function ng(e,t,n,r,o){const i=[];let a=0;return t.forEach(((t,s)=>{const l=Hm.newInstance();switch(l.setContentType(Km.INDICES),e){case $m.FIELD_ASSOCIATION_CELLS:l.setFieldType(qm.CELL);break;case $m.FIELD_ASSOCIATION_POINTS:l.setFieldType(qm.POINT);break;default:Ym("Unknown field association")}l.getProperties().propID=t.info.propID,l.getProperties().prop=t.info.prop,l.getProperties().compositeID=t.info.compositeID,l.getProperties().attributeID=t.info.attributeID,l.getProperties().pixelCount=t.pixelCount,n&&(l.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],l.getProperties().worldPosition=o.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,r)),l.setSelectionList(t.attributeIDs),i[a]=l,a++})),i}function rg(e,t,n,r,o){const i=Math.floor(t),a=Math.floor(n),s=Math.floor(r),l=Math.floor(o),u=new Map,c=[0,0];for(let t=a;t<=l;t++)for(let n=i;n<=s;n++){const r=tg(e,[n,t],0,c);if(r&&r.valid){const t=Jm(r);if(u.has(t)){const n=u.get(t);n.pixelCount++,e.captureZValues&&r.zValue{t.rawPixBuffer=[],t.pixBuffer=[],t.zBuffer=null},e.beginSelection=()=>{t._openGLRenderer=t._openGLRenderWindow.getViewNodeFor(t._renderer),t.maxAttributeId=0;const n=t._openGLRenderWindow.getSize();if(t.framebuffer){t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers();const e=t.framebuffer.getSize();e[0]!==n[0]||e[1]!==n[1]?(t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer()):t.framebuffer.bind()}else t.framebuffer=Zs.newInstance(),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer();if(t._openGLRenderer.clear(),t._openGLRenderer.setSelector(e),t.hitProps={},t.propPixels={},t.props=[],e.releasePixBuffers(),t.fieldAssociation===$m.FIELD_ASSOCIATION_POINTS){const e=t._openGLRenderWindow.getContext(),n=e.isEnabled(e.BLEND);e.disable(e.BLEND),t._openGLRenderWindow.traverseAllPasses(),n&&e.enable(e.BLEND)}},e.endSelection=()=>{t.hitProps={},t._openGLRenderer.setSelector(null),t.framebuffer.restorePreviousBindingsAndBuffers()},e.preCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending=e.isEnabled(e.BLEND),e.disable(e.BLEND)},e.postCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending&&e.enable(e.BLEND)},e.select=()=>{let n=null;return e.captureBuffers()&&(n=e.generateSelection(t.area[0],t.area[1],t.area[2],t.area[3]),e.releasePixBuffers()),n},e.getSourceDataAsync=async(n,r,o,i,a)=>{if(t._renderer=n,void 0===r){const n=t._openGLRenderWindow.getSize();e.setArea(0,0,n[0]-1,n[1]-1)}else e.setArea(r,o,i,a);if(!e.captureBuffers())return!1;const s={area:[...t.area],pixBuffer:[...t.pixBuffer],captureZValues:t.captureZValues,zBuffer:t.zBuffer,props:[...t.props],fieldAssociation:t.fieldAssociation,renderer:n,openGLRenderWindow:t._openGLRenderWindow,generateSelection:function(){for(var e=arguments.length,t=new Array(e),n=0;n{if(!t._renderer||!t._openGLRenderWindow)return Ym("Renderer and view must be set before calling Select."),!1;t._openGLRenderer=t._openGLRenderWindow.getViewNodeFor(t._renderer),t._openGLRenderWindow.getRenderable().preRender(),e.invokeEvent({type:"StartEvent"}),t.originalBackground=t._renderer.getBackgroundByReference(),t._renderer.setBackground(0,0,0,0);const n=t._openGLRenderWindow.getRenderPasses();for(e.beginSelection(),t.currentPass=Xm.MIN_KNOWN_PASS;t.currentPass<=Xm.MAX_KNOWN_PASS;t.currentPass++)e.passRequired(t.currentPass)&&(e.preCapturePass(t.currentPass),t.captureZValues&&t.currentPass===Xm.ACTOR_PASS&&"function"==typeof n[0].requestDepth&&"function"==typeof n[0].getFramebuffer?(n[0].requestDepth(),t._openGLRenderWindow.traverseAllPasses()):t._openGLRenderWindow.traverseAllPasses(),e.postCapturePass(t.currentPass),e.savePixelBuffer(t.currentPass),e.processPixelBuffers());return e.endSelection(),t._renderer.setBackground(t.originalBackground),e.invokeEvent({type:"EndEvent"}),!0},e.processPixelBuffers=()=>{t.props.forEach(((n,r)=>{e.isPropHit(r)&&n.processSelectorPixelBuffers(e,t.propPixels[r])}))},e.passRequired=e=>{if(e===Xm.ID_HIGH24){if(t.fieldAssociation===$m.FIELD_ASSOCIATION_POINTS)return t.maximumPointId>16777215;if(t.fieldAssociation===$m.FIELD_ASSOCIATION_CELLS)return t.maximumCellId>16777215}return!0},e.savePixelBuffer=n=>{if(t.pixBuffer[n]=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),!t.rawPixBuffer[n]){const e=(t.area[2]-t.area[0]+1)*(t.area[3]-t.area[1]+1)*4;t.rawPixBuffer[n]=new Uint8Array(e),t.rawPixBuffer[n].set(t.pixBuffer[n])}if(n===Xm.ACTOR_PASS){if(t.captureZValues){const e=t._openGLRenderWindow.getRenderPasses();if("function"==typeof e[0].requestDepth&&"function"==typeof e[0].getFramebuffer){const n=e[0].getFramebuffer();n.saveCurrentBindingsAndBuffers(),n.bind(),t.zBuffer=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),n.restorePreviousBindingsAndBuffers()}}e.buildPropHitList(t.rawPixBuffer[n])}},e.buildPropHitList=e=>{let n=0;for(let r=0;r<=t.area[3]-t.area[1];r++)for(let o=0;o<=t.area[2]-t.area[0];o++){let i=Zm(o,r,e,t.area);i>0&&(i--,i in t.hitProps||(t.hitProps[i]=!0,t.propPixels[i]=[]),t.propPixels[i].push(4*n)),++n}},e.renderProp=n=>{t.currentPass===Xm.ACTOR_PASS&&(e.setPropColorValueFromInt(t.props.length+1),t.props.push(n))},e.renderCompositeIndex=n=>{t.currentPass===Xm.COMPOSITE_INDEX_PASS&&e.setPropColorValueFromInt(n+1)},e.renderAttributeId=e=>{e<0||(t.maxAttributeId=e>t.maxAttributeId?e:t.maxAttributeId)},e.passTypeToString=e=>gt.enumToString(Xm,e),e.isPropHit=e=>Boolean(t.hitProps[e]),e.setPropColorValueFromInt=e=>{t.propColorValue[0]=e%256/255,t.propColorValue[1]=Math.floor(e/256)%256/255,t.propColorValue[2]=Math.floor(e/65536)%256/255},e.getPixelInformation=(n,r,o)=>{const i=r<0?0:r;if(0===i){if(o[0]=n[0],o[1]=n[1],n[0]t.area[2]||n[1]t.area[3])return null;const e=[n[0]-t.area[0],n[1]-t.area[1]],r=Zm(e[0],e[1],t.pixBuffer[Xm.ACTOR_PASS],t.area);if(r<=0||r-1>=t.props.length)return null;const i={valid:!0};i.propID=r-1,i.prop=t.props[i.propID];let a=Zm(e[0],e[1],t.pixBuffer[Xm.COMPOSITE_INDEX_PASS],t.area);if((a<0||a>16777215)&&(a=0),i.compositeID=a-1,t.captureZValues){const r=4*(e[1]*(t.area[2]-t.area[0]+1)+e[0]);i.zValue=(256*t.zBuffer[r]+t.zBuffer[r+1])/65535,i.displayPosition=n}if(t.pixBuffer[Xm.ID_LOW24]&&0===Qm(e[0],e[1],t.pixBuffer[Xm.ID_LOW24],t.area))return i;const s=Zm(e[0],e[1],t.pixBuffer[Xm.ID_LOW24],t.area),l=Zm(e[0],e[1],t.pixBuffer[Xm.ID_HIGH24],t.area);return i.attributeID=eg(s,l),i}const a=[n[0],n[1]],s=[0,0];let l=e.getPixelInformation(n,0,o);if(l&&l.valid)return l;for(let t=1;tt?a[1]-t:0;n<=a[1]+t;++n){if(s[1]=n,a[0]>=t&&(s[0]=a[0]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[0]=a[0]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}for(let n=a[0]>=t?a[0]-(t-1):0;n<=a[0]+(t-1);++n){if(s[0]=n,a[1]>=t&&(s[1]=a[1]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[1]=a[1]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}}return o[0]=n[0],o[1]=n[1],null},e.generateSelection=(n,r,o,i)=>{const a=Math.floor(n),s=Math.floor(r),l=Math.floor(o),u=Math.floor(i),c=new Map,d=[0,0];for(let n=s;n<=u;n++)for(let r=a;r<=l;r++){const o=[r,n],i=e.getPixelInformation(o,0,d);if(i&&i.valid){const e=Jm(i);if(c.has(e)){const n=c.get(e);n.pixelCount++,t.captureZValues&&i.zValuet.rawPixBuffer[e],e.getPixelBuffer=e=>t.pixBuffer[e],e.attach=(e,n)=>{t._openGLRenderWindow=e,t._renderer=n};const n=e.setArea;e.setArea=function(){return!!n(...arguments)&&(t.area[0]=Math.floor(t.area[0]),t.area[1]=Math.floor(t.area[1]),t.area[2]=Math.floor(t.area[2]),t.area[3]=Math.floor(t.area[3]),!0)}}const ig={area:void 0,currentPass:-1,propColorValue:null,props:null,maximumPointId:0,maximumCellId:0,idOffset:1};function ag(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ig,n),Gm.extend(e,t,n),t.propColorValue=[0,0,0],t.props=[],t.area||(t.area=[0,0,0,0]),gt.setGetArray(e,t,["area"],4),gt.setGet(e,t,["_renderer","currentPass","_openGLRenderWindow","maximumPointId","maximumCellId"]),gt.setGetArray(e,t,["propColorValue"],3),gt.moveToProtected(e,t,["renderer","openGLRenderWindow"]),gt.event(e,t,"event"),og(e,t)}var sg={newInstance:gt.newInstance(ag,"vtkOpenGLHardwareSelector"),extend:ag,...cm},lg=n(594),ug=n.n(lg);const cg=["lastShaderProgramBound","context","_openGLRenderWindow"];function dg(e,t){t.classHierarchy.push("vtkShaderCache"),e.replaceShaderValues=(e,n,r)=>{let o=n;r.length>0&&(o=Ca.substitute(o,"VSOut","GSOut").result);const i=t._openGLRenderWindow.getWebgl2();let a="\n",s="#version 100\n";i?s="#version 300 es\n#define attribute in\n#define textureCube texture\n#define texture2D texture\n#define textureCubeLod textureLod\n#define texture2DLod textureLod\n":(t.context.getExtension("OES_standard_derivatives"),t.context.getExtension("EXT_frag_depth")&&(a="#extension GL_EXT_frag_depth : enable\n"),t.context.getExtension("EXT_shader_texture_lod")&&(a+="#extension GL_EXT_shader_texture_lod : enable\n#define textureCubeLod textureCubeLodEXT\n#define texture2DLod texture2DLodEXT")),o=Ca.substitute(o,"//VTK::System::Dec",[`${s}\n`,i?"":"#extension GL_OES_standard_derivatives : enable\n",a,"#ifdef GL_FRAGMENT_PRECISION_HIGH","precision highp float;","precision highp int;","#else","precision mediump float;","precision mediump int;","#endif"]).result;let l=Ca.substitute(e,"//VTK::System::Dec",[`${s}\n`,"#ifdef GL_FRAGMENT_PRECISION_HIGH","precision highp float;","precision highp int;","#else","precision mediump float;","precision mediump int;","#endif"]).result;if(i){l=Ca.substitute(l,"varying","out").result,o=Ca.substitute(o,"varying","in").result;let e="",t=0;for(;o.includes(`gl_FragData[${t}]`);)o=Ca.substitute(o,`gl_FragData\\[${t}\\]`,`fragOutput${t}`).result,e+=`layout(location = ${t}) out vec4 fragOutput${t};\n`,t++;o=Ca.substitute(o,"//VTK::Output::Dec",e).result}return{VSSource:l,FSSource:o,GSSource:Ca.substitute(r,"//VTK::System::Dec",s).result}},e.readyShaderProgramArray=(t,n,r)=>{const o=e.replaceShaderValues(t,n,r),i=e.getShaderProgram(o.VSSource,o.FSSource,o.GSSource);return e.readyShaderProgram(i)},e.readyShaderProgram=t=>t&&(t.getCompiled()||t.compileShader())&&e.bindShaderProgram(t)?t:null,e.getShaderProgram=(e,n,r)=>{const o=`${e}${n}${r}`,i=ug().hash(o);if(!(i in t.shaderPrograms)){const o=Ca.newInstance();return o.setContext(t.context),o.getVertexShader().setSource(e),o.getFragmentShader().setSource(n),r&&o.getGeometryShader().setSource(r),o.setMd5Hash(i),t.shaderPrograms[i]=o,o}return t.shaderPrograms[i]},e.releaseGraphicsResources=n=>{e.releaseCurrentShaderProgram(),Object.keys(t.shaderPrograms).map((e=>t.shaderPrograms[e])).forEach((e=>e.cleanup())),t.shaderPrograms={}},e.releaseCurrentShaderProgram=()=>{t.lastShaderProgramBound&&(t.lastShaderProgramBound.cleanup(),t.lastShaderProgramBound=null)},e.bindShaderProgram=e=>(t.lastShaderProgramBound===e||(t.lastShaderProgramBound&&t.lastShaderProgramBound.release(),e.bind(),t.lastShaderProgramBound=e),1)}const pg={lastShaderProgramBound:null,shaderPrograms:null,context:null};function fg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,pg,n),t.shaderPrograms={},gt.obj(e,t),gt.setGet(e,t,cg),gt.moveToProtected(e,t,["openGLRenderWindow"]),dg(e,t)}var hg={newInstance:gt.newInstance(fg,"vtkShaderCache"),extend:fg};const{vtkErrorMacro:mg}=gt;function gg(e,t){t.classHierarchy.push("vtkOpenGLTextureUnitManager"),e.deleteTable=()=>{for(let 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t.notifyStartCaptureImage=!0,t._screenshot={size:o||1!==i?o||t.size.map((e=>e*i)):null},new Promise(((n,o)=>{const i=e.onImageReady((o=>{if(null===t._screenshot.size)t.notifyStartCaptureImage=a,i.unsubscribe(),t._screenshot.placeHolder&&(t.size=t._screenshot.originalSize,e.modified(),t._screenshot.cameras&&t._screenshot.cameras.forEach((e=>{let{restoreParamsFn:t,arg:n}=e;return t(n)})),e.traverseAllPasses(),t.el.removeChild(t._screenshot.placeHolder),t._screenshot.placeHolder.remove(),t._screenshot=null),n(o);else{const n=document.createElement("img");if(n.style=Ag,n.src=o,t._screenshot.placeHolder=t.el.appendChild(n),t.canvas.style.display="none",t._screenshot.originalSize=t.size,t.size=t._screenshot.size,t._screenshot.size=null,e.modified(),r){const e=!0!==r;t._screenshot.cameras=t.renderable.getRenderers().map((t=>{const n=t.getActiveCamera(),o=n.get("focalPoint","position","parallelScale");return{resetCameraArgs:e?{renderer:t}:void 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(-2",n.getShaderPrecisionFormat(n.FRAGMENT_SHADER,n.HIGH_INT).rangeMin," - 2",n.getShaderPrecisionFormat(n.FRAGMENT_SHADER,n.HIGH_INT).rangeMax,")"].join("")],["Medium Int Precision in Fragment Shader","MEDIUM_INT FRAGMENT_SHADER",[n.getShaderPrecisionFormat(n.FRAGMENT_SHADER,n.MEDIUM_INT).precision," (-2",n.getShaderPrecisionFormat(n.FRAGMENT_SHADER,n.MEDIUM_INT).rangeMin," - 2",n.getShaderPrecisionFormat(n.FRAGMENT_SHADER,n.MEDIUM_INT).rangeMax,")"].join("")],["Low Int Precision in Fragment Shader","LOW_INT FRAGMENT_SHADER",[n.getShaderPrecisionFormat(n.FRAGMENT_SHADER,n.LOW_INT).precision," (-2",n.getShaderPrecisionFormat(n.FRAGMENT_SHADER,n.LOW_INT).rangeMin," - 2",n.getShaderPrecisionFormat(n.FRAGMENT_SHADER,n.LOW_INT).rangeMax,")"].join("")],["Supported Extensions","EXTENSIONS",n.getSupportedExtensions().join("
    \t\t\t\t\t ")],["WebGL Renderer","RENDERER",n.getParameter(n.RENDERER)],["WebGL Vendor","VENDOR",n.getParameter(n.VENDOR)],["WebGL Version","VERSION",n.getParameter(n.VERSION)],["Shading Language Version","SHADING_LANGUAGE_VERSION",n.getParameter(n.SHADING_LANGUAGE_VERSION)],["Unmasked Renderer","UNMASKED_RENDERER",i&&n.getParameter(i.UNMASKED_RENDERER_WEBGL)],["Unmasked Vendor","UNMASKED_VENDOR",i&&n.getParameter(i.UNMASKED_VENDOR_WEBGL)],["WebGL Version","WEBGL_VERSION",t.webgl2?2:1]],u={};for(;l.length;){const[e,t,n]=l.pop();t&&(u[t]={label:e,value:n})}return t._glInformation=u,u},e.traverseAllPasses=()=>{if(t.renderPasses)for(let n=0;n0&&void 0!==arguments[0]?arguments[0]:t.imageFormat;const r=document.createElement("canvas"),o=r.getContext("2d");r.width=t.canvas.width,r.height=t.canvas.height,o.drawImage(t.canvas,0,0);const i=t.canvas.getBoundingClientRect(),a=t.renderable;a.getRenderers().forEach((e=>{e.getViewProps().forEach((e=>{if(e.getContainer){const t=e.getContainer().getElementsByTagName("canvas");for(let e=0;e{t.cullFaceEnabled&&(t.context.disable(t.context.CULL_FACE),t.cullFaceEnabled=!1)},e.enableCullFace=()=>{t.cullFaceEnabled||(t.context.enable(t.context.CULL_FACE),t.cullFaceEnabled=!0)},e.setViewStream=n=>t.viewStream!==n&&(t.subscription&&(t.subscription.unsubscribe(),t.subscription=null),t.viewStream=n,t.viewStream&&(t.renderable.getRenderers()[0].getBackgroundByReference()[3]=0,e.setUseBackgroundImage(!0),t.subscription=t.viewStream.onImageReady((t=>e.setBackgroundImage(t.image))),t.viewStream.setSize(t.size[0],t.size[1]),t.viewStream.invalidateCache(),t.viewStream.render(),e.modified()),!0),e.createSelector=()=>{const t=sg.newInstance();return t.setOpenGLRenderWindow(e),t},e.delete=gt.chain((function(){t.canvas.removeEventListener("webglcontextlost",Ng),t.canvas.removeEventListener("webglcontextrestored",e.restoreContext)}),e.delete,e.setViewStream,Pg),e.setActiveFramebuffer=e=>{t.activeFramebuffer=e};const i=e.setSize;e.setSize=(t,n)=>{const r=i(t,n);return r&&e.invokeWindowResizeEvent({width:t,height:n}),r},e.getGraphicsResourceForObject=e=>e?{vtkObj:t._graphicsResources.get(e),hash:t._graphicsResourceHash.get(e)}:null,e.setGraphicsResourceForObject=(e,n,r)=>{e&&(t._graphicsResources.set(e,n),t._graphicsResourceHash.set(e,r))},e.getGraphicsMemoryInfo=()=>{let e=0;return t._graphicsResources.forEach(((t,n)=>{e+=t.getAllocatedGPUMemoryInBytes()})),e},e.releaseGraphicsResourcesForObject=n=>!!n&&(t._graphicsResources.get(n)?.releaseGraphicsResources(e),t._graphicsResources.delete(n)&&t._graphicsResourceHash.delete(n)),e.releaseGraphicsResources=()=>{null!==t.shaderCache&&t.shaderCache.releaseGraphicsResources(e),t._graphicsResources.forEach(((t,n)=>{t.releaseGraphicsResources(e)})),t._graphicsResources.clear(),t._graphicsResourceHash.clear(),null!==t.textureUnitManager&&t.textureUnitManager.freeAll(),t.renderable.getRenderersByReference().forEach((t=>{e.getViewNodeFor(t)?.releaseGraphicsResources()}))}}const Rg={cullFaceEnabled:!1,shaderCache:null,initialized:!1,context:null,canvas:null,cursorVisibility:!0,cursor:"pointer",textureUnitManager:null,textureResourceIds:null,containerSize:null,renderPasses:[],notifyStartCaptureImage:!1,webgl2:!1,defaultToWebgl2:!0,activeFramebuffer:null,imageFormat:"image/png",useOffScreen:!1,useBackgroundImage:!1};const Fg=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Rg,n),Sg.extend(e,t,n),t.canvas=document.createElement("canvas"),t.canvas.style.width="100%",Og(),t.selector||(t.selector=sg.newInstance(),t.selector.setOpenGLRenderWindow(e)),t.bgImage=new Image,t.bgImage.style.position="absolute",t.bgImage.style.left="0",t.bgImage.style.top="0",t.bgImage.style.width="100%",t.bgImage.style.height="100%",t.bgImage.style.zIndex="-1",t._textureResourceIds=new Map,t._graphicsResources=new Map,t._graphicsResourceHash=new Map,t._glInformation=null,t.myFactory=Nt.newInstance(),t.myFactory.registerOverride("vtkRenderWindow",Fg),t.shaderCache=hg.newInstance(),t.shaderCache.setOpenGLRenderWindow(e),t.renderPasses[0]=km.newInstance(),gt.event(e,t,"imageReady"),gt.get(e,t,["shaderCache","textureUnitManager","webgl2","useBackgroundImage","activeFramebuffer"]),gt.setGet(e,t,["initialized","context","canvas","renderPasses","notifyStartCaptureImage","defaultToWebgl2","cursor","useOffScreen"]),gt.setGetArray(e,t,["size"],2),gt.event(e,t,"windowResizeEvent"),Mg(e,t)}),"vtkOpenGLRenderWindow");If("WebGL",Fg);const kg=["setBindGroup","setIndexBuffer","setVertexBuffer","draw","drawIndexed"];function Lg(e,t){t.classHierarchy.push("vtkWebGPURenderEncoder"),e.begin=e=>{t.drawCallbacks=[],t.handle=e.beginRenderPass(t.description),t.label&&t.handle.pushDebugGroup(t.label)},e.end=()=>{for(let n=0;n{if(t.boundPipeline===e)return;t.handle.setPipeline(e.getHandle());const n=e.getPipelineDescription();if(t.colorTextureViews.length!==n.fragment.targets.length)console.log(`mismatched attachment counts on pipeline ${n.fragment.targets.length} while encoder has ${t.colorTextureViews.length}`),console.trace();else for(let e=0;e{t.replaceShaderCodeFunction(e)},e.setColorTextureView=(e,n)=>{t.colorTextureViews[e]!==n&&(t.colorTextureViews[e]=n)},e.activateBindGroup=e=>{const n=t.boundPipeline.getDevice(),r=t.boundPipeline.getBindGroupLayoutCount(e.getLabel());t.handle.setBindGroup(r,e.getBindGroup(n));const o=n.getBindGroupLayoutDescription(e.getBindGroupLayout(n)),i=n.getBindGroupLayoutDescription(t.boundPipeline.getBindGroupLayout(r));o!==i&&(console.log(`renderEncoder ${t.pipelineHash} mismatched bind group layouts bind group has\n${o}\n versus pipeline\n${i}\n`),console.trace())},e.attachTextureViews=()=>{for(let e=0;e{for(let r=0;r2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Bg,n),je(e,t),t.description={colorAttachments:[{view:void 0,loadOp:"load",storeOp:"store"}],depthStencilAttachment:{view:void 0,depthLoadOp:"clear",depthClearValue:0,depthStoreOp:"store"}},t.replaceShaderCodeFunction=e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = computedColor;"]).result,t.setCode(n)},t.pipelineSettings={primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater-equal",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}},t.colorTextureViews=[],He(e,t,["boundPipeline","colorTextureViews"]),$e(e,t,["depthTextureView","description","handle","label","pipelineHash","pipelineSettings","replaceShaderCodeFunction"]),Lg(e,t)}var Ug={newInstance:rt(Vg,"vtkWebGPURenderEncoder"),extend:Vg};function Gg(e,t){t.classHierarchy.push("vtkWebGPUTextureView"),e.create=(e,n)=>{t.texture=e,t.options=n,t.options.dimension=t.options.dimension||"2d",t.options.label=t.label,t.textureHandle=e.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupLayoutEntry.texture.viewDimension=t.options.dimension;const r=Hl(t.texture.getFormat());t.bindGroupLayoutEntry.texture.sampleType=r.sampleType},e.createFromTextureHandle=(e,n)=>{t.texture=null,t.options=n,t.options.dimension=t.options.dimension||"2d",t.options.label=t.label,t.textureHandle=e,t.handle=t.textureHandle.createView(t.options),t.bindGroupLayoutEntry.texture.viewDimension=t.options.dimension;const r=Hl(n.format);t.bindGroupLayoutEntry.texture.sampleType=r.sampleType,t.bindGroupTime.modified()},e.getBindGroupEntry=()=>({resource:e.getHandle()}),e.getShaderCode=(e,n)=>{let r="f32";"sint"===t.bindGroupLayoutEntry.texture.sampleType?r="i32":"uint"===t.bindGroupLayoutEntry.texture.sampleType&&(r="u32");let o=`@binding(${e}) @group(${n}) var ${t.label}: texture_${t.options.dimension}<${r}>;`;return"depth"===t.bindGroupLayoutEntry.texture.sampleType&&(o=`@binding(${e}) @group(${n}) var ${t.label}: texture_depth_${t.options.dimension};`),o},e.addSampler=(n,r)=>{const o=vc.newInstance({label:`${t.label}Sampler`});o.create(n,r),e.setSampler(o)},e.getBindGroupTime=()=>(t.texture&&t.texture.getHandle()!==t.textureHandle&&(t.textureHandle=t.texture.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupTime.modified()),t.bindGroupTime),e.getHandle=()=>(t.texture&&t.texture.getHandle()!==t.textureHandle&&(t.textureHandle=t.texture.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupTime.modified()),t.handle)}const zg={texture:null,handle:null,sampler:null,label:null};function jg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,zg,n),gt.obj(e,t),t.bindGroupLayoutEntry={visibility:GPUShaderStage.VERTEX|GPUShaderStage.FRAGMENT,texture:{sampleType:"float",viewDimension:"2d"}},t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),gt.get(e,t,["bindGroupTime","texture"]),gt.setGet(e,t,["bindGroupLayoutEntry","label","sampler"]),Gg(e,t)}var Wg={newInstance:gt.newInstance(jg),extend:jg};function Hg(e,t){t.classHierarchy.push("vtkTexture"),e.imageLoaded=()=>{t.image.removeEventListener("load",e.imageLoaded),t.imageLoaded=!0,e.modified()},e.setJsImageData=n=>{t.jsImageData!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.image=null,t.canvas=null),t.jsImageData=n,t.imageLoaded=!0,e.modified())},e.setCanvas=n=>{t.canvas!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.image=null,t.jsImageData=null),t.canvas=n,e.modified())},e.setImage=n=>{t.image!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.canvas=null,t.jsImageData=null),t.image=n,t.imageLoaded=!1,n.complete?e.imageLoaded():n.addEventListener("load",e.imageLoaded),e.modified())},e.getDimensionality=()=>{let n=0,r=0,o=1;if(e.getInputData()){const t=e.getInputData();n=t.getDimensions()[0],r=t.getDimensions()[1],o=t.getDimensions()[2]}return t.jsImageData&&(n=t.jsImageData.width,r=t.jsImageData.height),t.canvas&&(n=t.canvas.width,r=t.canvas.height),t.image&&(n=t.image.width,r=t.image.height),(n>1)+(r>1)+(o>1)},e.getInputAsJsImageData=()=>{if(!t.imageLoaded||e.getInputData())return null;if(t.jsImageData)return t.jsImageData();if(t.canvas)return t.canvas.getContext("2d").getImageData(0,0,t.canvas.width,t.canvas.height);if(t.image){const e=document.createElement("canvas");e.width=t.image.width,e.height=t.image.height;const n=e.getContext("2d");return n.translate(0,e.height),n.scale(1,-1),n.drawImage(t.image,0,0,t.image.width,t.image.height),n.getImageData(0,0,e.width,e.height)}return null}}const Xg={image:null,canvas:null,jsImageData:null,imageLoaded:!1,repeat:!1,interpolate:!1,edgeClamp:!1,mipLevel:0,resizable:!1};function Kg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Xg,n),gt.obj(e,t),gt.algo(e,t,6,0),gt.get(e,t,["canvas","image","jsImageData","imageLoaded","resizable"]),gt.setGet(e,t,["repeat","edgeClamp","interpolate","mipLevel"]),Hg(e,t)}const qg={generateMipmaps:(e,t,n,r)=>{const o=[1,2,1],i=e.length/(t*n);let a=t,s=n,l=e;const u=[l];for(let e=0;ei&&(c+=t),d<-i&&(c-=t),r[c]?u+=r[c]*o[l]:s-=o[l],a+=1}l[e+n]=u/s}r=[...l];for(let e=0;e{t.device=e,t.width=n.width,t.height=n.height,t.depth=n.depth?n.depth:1;const r=1===t.depth?"2d":"3d";t.format=n.format?n.format:"rgba8unorm",t.mipLevel=n.mipLevel?n.mipLevel:0,t.usage=n.usage?n.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST,t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label,dimension:r,mipLevelCount:t.mipLevel+1})},e.assignFromHandle=(e,n,r)=>{t.device=e,t.handle=n,t.width=r.width,t.height=r.height,t.depth=r.depth?r.depth:1,t.format=r.format?r.format:"rgba8unorm",t.usage=r.usage?r.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST},e.writeImageData=n=>{let r=[];if(n.canvas)return t.device.getHandle().queue.copyExternalImageToTexture({source:n.canvas,flipY:n.flip},{texture:t.handle,premultipliedAlpha:!0},[t.width,t.height,t.depth]),void(t.ready=!0);n.jsImageData&&!n.nativeArray&&(n.width=n.jsImageData.width,n.height=n.jsImageData.height,n.depth=1,n.format="rgba8unorm",n.flip=!0,n.nativeArray=n.jsImageData.data);const o=Hl(t.format);let i=t.width*o.stride;const a=(e,t,n)=>{const r=e.length/(t*n)*e.BYTES_PER_ELEMENT,i=2===o.elementSize&&"float"===o.sampleType;if(i||r%256){const a=e,s=r/a.BYTES_PER_ELEMENT,l=o.elementSize,u=256*Math.floor((s*l+255)/256),c=u/l,d=gt.newTypedArray(i?"Uint16Array":a.constructor.name,c*t*n);for(let e=0;e{const e=Hl(t.format);return 2===e.elementSize&&"float"===e.sampleType?1:255},e.getNumberOfComponents=()=>Hl(t.format).numComponents,e.getDimensionality=()=>{let e=0;return t.width>1&&e++,t.height>1&&e++,t.depth>1&&e++,e},e.resizeToMatch=e=>{e.getWidth()===t.width&&e.getHeight()===t.height&&e.getDepth()===t.depth||(t.width=e.getWidth(),t.height=e.getHeight(),t.depth=e.getDepth(),t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label}))},e.resize=function(e,n){let r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:1;e===t.width&&n===t.height&&r===t.depth||(t.width=e,t.height=n,t.depth=r,t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label}))},e.createView=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};r.dimension||(r.dimension=1===t.depth?"2d":"3d");const o=Wg.newInstance({label:n});return o.create(e,r),o}}const Qg={device:null,handle:null,buffer:null,ready:!1,label:null};function Zg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Qg,n),gt.obj(e,t),gt.get(e,t,["handle","ready","width","height","depth","format","usage"]),gt.setGet(e,t,["device","label"]),Jg(e,t)}var ev={newInstance:gt.newInstance(Zg),extend:Zg};function tv(e,t){t.classHierarchy.push("vtkWebGPUOpaquePass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.renderEncoder)t.colorTexture.resize(r.getCanvas().width,r.getCanvas().height),t.depthTexture.resize(r.getCanvas().width,r.getCanvas().height);else{e.createRenderEncoder(),t.colorTexture=ev.newInstance({label:"opaquePassColor"}),t.colorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const n=t.colorTexture.createView("opaquePassColorTexture");t.renderEncoder.setColorTextureView(0,n),t.depthFormat="depth32float",t.depthTexture=ev.newInstance({label:"opaquePassDepth"}),t.depthTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:t.depthFormat,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const i=t.depthTexture.createView("opaquePassDepthTexture");t.renderEncoder.setDepthTextureView(i)}t.renderEncoder.attachTextureViews(),e.setCurrentOperation("opaquePass"),n.setRenderEncoder(t.renderEncoder),n.traverse(e)},e.getColorTextureView=()=>t.renderEncoder.getColorTextureViews()[0],e.getDepthTextureView=()=>t.renderEncoder.getDepthTextureView(),e.createRenderEncoder=()=>{t.renderEncoder=Ug.newInstance({label:"OpaquePass"}),t.renderEncoder.setPipelineHash("op")}}const nv={renderEncoder:null,colorTexture:null,depthTexture:null};function rv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,nv,n),Cm.extend(e,t,n),gt.get(e,t,["colorTexture","depthTexture"]),tv(e,t)}var ov={newInstance:gt.newInstance(rv,"vtkWebGPUOpaquePass"),extend:rv};function iv(e,t){t.classHierarchy.push("vtkWebGPUOrderIndependentTranslucentPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.translucentRenderEncoder)t.translucentColorTexture.resizeToMatch(t.colorTextureView.getTexture()),t.translucentAccumulateTexture.resizeToMatch(t.colorTextureView.getTexture());else{e.createRenderEncoder(),e.createFinalEncoder(),t.translucentColorTexture=ev.newInstance({label:"translucentPassColor"}),t.translucentColorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const n=t.translucentColorTexture.createView("oitpColorTexture");t.translucentRenderEncoder.setColorTextureView(0,n),t.translucentAccumulateTexture=ev.newInstance({label:"translucentPassAccumulate"}),t.translucentAccumulateTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const i=t.translucentAccumulateTexture.createView("oitpAccumTexture");t.translucentRenderEncoder.setColorTextureView(1,i),t.fullScreenQuad=du.newInstance(),t.fullScreenQuad.setDevice(r.getDevice()),t.fullScreenQuad.setPipelineHash("oitpfsq"),t.fullScreenQuad.setTextureViews(t.translucentRenderEncoder.getColorTextureViews()),t.fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var tcoord: vec2 = vec2(i32(input.fragPos.x), i32(input.fragPos.y));\n var reveal: f32 = textureLoad(oitpAccumTexture, tcoord, 0).r;\n if (reveal == 1.0) { discard; }\n var tcolor: vec4 = textureLoad(oitpColorTexture, tcoord, 0);\n var total: f32 = max(tcolor.a, 0.01);\n var computedColor: vec4 = vec4(tcolor.r/total, tcolor.g/total, tcolor.b/total, 1.0 - reveal);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n")}t.translucentRenderEncoder.setDepthTextureView(t.depthTextureView),t.translucentRenderEncoder.attachTextureViews(),e.setCurrentOperation("translucentPass"),n.setRenderEncoder(t.translucentRenderEncoder),n.traverse(e),e.finalPass(r,n)},e.finalPass=(e,n)=>{t.translucentFinalEncoder.setColorTextureView(0,t.colorTextureView),t.translucentFinalEncoder.attachTextureViews(),t.translucentFinalEncoder.begin(e.getCommandEncoder()),n.scissorAndViewport(t.translucentFinalEncoder),t.fullScreenQuad.prepareAndDraw(t.translucentFinalEncoder),t.translucentFinalEncoder.end()},e.getTextures=()=>[t.translucentColorTexture,t.translucentAccumulateTexture],e.createRenderEncoder=()=>{t.translucentRenderEncoder=Ug.newInstance({label:"translucentRender"});const e=t.translucentRenderEncoder.getDescription();e.colorAttachments=[{view:void 0,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:void 0,clearValue:[1,0,0,0],loadOp:"clear",storeOp:"store"}],e.depthStencilAttachment={view:void 0,depthLoadOp:"load",depthStoreOp:"store"},t.translucentRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor"),t.addOutput("f32","outAccum"),t.addBuiltinInput("vec4","@builtin(position) fragPos");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["var w: f32 = computedColor.a * pow(0.1 + input.fragPos.z, 2.0);","output.outColor = vec4(computedColor.rgb*w, w);","output.outAccum = computedColor.a;"]).result,t.setCode(n)})),t.translucentRenderEncoder.setPipelineHash("oitpr"),t.translucentRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!1,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one"},alpha:{srcfactor:"one",dstFactor:"one"}}},{format:"r16float",blend:{color:{srcFactor:"zero",dstFactor:"one-minus-src"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createFinalEncoder=()=>{t.translucentFinalEncoder=Ug.newInstance({label:"translucentFinal"}),t.translucentFinalEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t.translucentFinalEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor"),t.addBuiltinInput("vec4","@builtin(position) fragPos");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t.translucentFinalEncoder.setPipelineHash("oitpf"),t.translucentFinalEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})}}const av={colorTextureView:null,depthTextureView:null};function sv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,av,n),Cm.extend(e,t,n),gt.setGet(e,t,["colorTextureView","depthTextureView"]),iv(e,t)}var lv={newInstance:gt.newInstance(sv,"vtkWebGPUOrderIndependentTranslucentPass"),extend:sv};const uv="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Volume::TraverseDec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\nfn getTextureValue(vTex: texture_3d, tpos: vec4) -> f32\n{\n // todo multicomponent support\n return textureSampleLevel(vTex, clampSampler, tpos.xyz, 0.0).r;\n}\n\nfn getGradient(vTex: texture_3d, tpos: vec4, vNum: i32, scalar: f32) -> vec4\n{\n var result: vec4;\n\n var tstep: vec4 = volumeSSBO.values[vNum].tstep;\n result.x = getTextureValue(vTex, tpos + vec4(tstep.x, 0.0, 0.0, 1.0)) - scalar;\n result.y = getTextureValue(vTex, tpos + vec4(0.0, tstep.y, 0.0, 1.0)) - scalar;\n result.z = getTextureValue(vTex, tpos + vec4(0.0, 0.0, tstep.z, 1.0)) - scalar;\n result.w = 0.0;\n\n // divide by spacing as that is our delta\n result = result / volumeSSBO.values[vNum].spacing;\n // now we have a gradient in unit tcoords\n\n var grad: f32 = length(result.xyz);\n if (grad > 0.0)\n {\n // rotate to View Coords, needed for lighting and shading\n var nMat: mat4x4 = rendererUBO.SCVCMatrix * volumeSSBO.values[vNum].planeNormals;\n result = nMat * result;\n result = result / length(result);\n }\n\n // store gradient magnitude in .w\n result.w = grad;\n\n return result;\n}\n\nfn processVolume(vTex: texture_3d, vNum: i32, cNum: i32, posSC: vec4, tfunRows: f32) -> vec4\n{\n var outColor: vec4 = vec4(0.0, 0.0, 0.0, 0.0);\n\n // convert to tcoords and reject if outside the volume\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*posSC;\n if (tpos.x < 0.0 || tpos.y < 0.0 || tpos.z < 0.0 ||\n tpos.x > 1.0 || tpos.y > 1.0 || tpos.z > 1.0) { return outColor; }\n\n var scalar: f32 = getTextureValue(vTex, tpos);\n\n var coord: vec2 =\n vec2(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n (0.5 + 2.0 * f32(vNum)) / tfunRows);\n var color: vec4 = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n\n var gofactor: f32 = 1.0;\n var normal: vec4 = vec4(0.0,0.0,0.0,0.0);\n if (componentSSBO.values[cNum].gomin < 1.0 || volumeSSBO.values[vNum].shade[0] > 0.0)\n {\n normal = getGradient(vTex, tpos, vNum, scalar);\n if (componentSSBO.values[cNum].gomin < 1.0)\n {\n gofactor = clamp(normal.a*componentSSBO.values[cNum].goScale + componentSSBO.values[cNum].goShift,\n componentSSBO.values[cNum].gomin, componentSSBO.values[cNum].gomax);\n }\n }\n\n coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n\n if (volumeSSBO.values[vNum].shade[0] > 0.0)\n {\n color = color*abs(normal.z);\n }\n\n outColor = vec4(color.rgb, gofactor * opacity);\n\n return outColor;\n}\n\n// adjust the start and end point of a raycast such that it intersects the unit cube.\n// This function is used to take a raycast starting point and step vector\n// and numSteps and return the startijng and ending steps for intersecting the\n// unit cube. Recall for a 3D texture, the unit cube is the range of texture coordsinates\n// that have valid values. So this funtion can be used to take a ray in texture coordinates\n// and bound it to intersecting the texture.\n//\nfn adjustBounds(tpos: vec4, tstep: vec4, numSteps: f32) -> vec2\n{\n var result: vec2 = vec2(0.0, numSteps);\n var tpos2: vec4 = tpos + tstep*numSteps;\n\n // move tpos to the start of the volume\n var adjust: f32 =\n min(\n max(tpos.x/tstep.x, (tpos.x - 1.0)/tstep.x),\n min(\n max((tpos.y - 1.0)/tstep.y, tpos.y/tstep.y),\n max((tpos.z - 1.0)/tstep.z, tpos.z/tstep.z)));\n if (adjust < 0.0)\n {\n result.x = result.x - adjust;\n }\n\n // adjust length to the end\n adjust =\n max(\n min(tpos2.x/tstep.x, (tpos2.x - 1.0)/tstep.x),\n max(\n min((tpos2.y - 1.0)/tstep.y, tpos2.y/tstep.y),\n min((tpos2.z - 1.0)/tstep.z, tpos2.z/tstep.z)));\n if (adjust > 0.0)\n {\n result.y = result.y - adjust;\n }\n\n return result;\n}\n\nfn getSimpleColor(scalar: f32, vNum: i32, cNum: i32) -> vec4\n{\n // how many rows (tfuns) do we have in our tfunTexture\n var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n var coord: vec2 =\n vec2(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n (0.5 + 2.0 * f32(vNum)) / tfunRows);\n var color: vec4 = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n return vec4(color.rgb, opacity);\n}\n\nfn traverseMax(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var maxVal: f32 = -1.0e37;\n loop\n {\n var scalar: f32 = getTextureValue(vTex, tpos);\n if (scalar > maxVal)\n {\n maxVal = scalar;\n }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(maxVal, vNum, cNum);\n}\n\nfn traverseMin(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var minVal: f32 = 1.0e37;\n loop\n {\n var scalar: f32 = getTextureValue(vTex, tpos);\n if (scalar < minVal)\n {\n minVal = scalar;\n }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(minVal, vNum, cNum);\n}\n\nfn traverseAverage(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n let ipRange: vec4 = volumeSSBO.values[vNum].ipScalarRange;\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var avgVal: f32 = 0.0;\n var sampleCount: f32 = 0.0;\n loop\n {\n var sample: f32 = getTextureValue(vTex, tpos);\n // right now leave filtering off until WebGL changes get merged\n // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n // {\n avgVal = avgVal + sample;\n sampleCount = sampleCount + 1.0;\n // }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n if (sampleCount <= 0.0)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(avgVal/sampleCount, vNum, cNum);\n}\n\nfn traverseAdditive(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n let ipRange: vec4 = volumeSSBO.values[vNum].ipScalarRange;\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var sumVal: f32 = 0.0;\n loop\n {\n var sample: f32 = getTextureValue(vTex, tpos);\n // right now leave filtering off until WebGL changes get merged\n // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n // {\n sumVal = sumVal + sample;\n // }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(sumVal, vNum, cNum);\n}\n\nfn composite(rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4) -> vec4\n{\n // initial ray position is at the beginning\n var rayPosSC: vec4 = minPosSC;\n\n // how many rows (tfuns) do we have in our tfunTexture\n var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n var curDist: f32 = 0.0;\n var computedColor: vec4 = vec4(0.0, 0.0, 0.0, 0.0);\n var sampleColor: vec4;\n//VTK::Volume::TraverseCalls\n\n loop\n {\n // for each volume, sample and accumulate color\n//VTK::Volume::CompositeCalls\n\n // increment position\n curDist = curDist + mapperUBO.SampleDistance;\n rayPosSC = rayPosSC + rayStepSC;\n\n // check if we have reached a terminating condition\n if (curDist > rayLengthSC) { break; }\n if (computedColor.a > 0.98) { break; }\n }\n return computedColor;\n}\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var rayMax: f32 = textureSampleLevel(maxTexture, clampSampler, input.tcoordVS, 0.0).r;\n var rayMin: f32 = textureSampleLevel(minTexture, clampSampler, input.tcoordVS, 0.0).r;\n\n // discard empty rays\n if (rayMax <= rayMin) { discard; }\n else\n {\n // compute start and end ray positions in view coordinates\n var minPosSC: vec4 = rendererUBO.PCSCMatrix*vec4(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMax, 1.0);\n minPosSC = minPosSC * (1.0 / minPosSC.w);\n var maxPosSC: vec4 = rendererUBO.PCSCMatrix*vec4(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMin, 1.0);\n maxPosSC = maxPosSC * (1.0 / maxPosSC.w);\n\n var rayLengthSC: f32 = distance(minPosSC.xyz, maxPosSC.xyz);\n var rayStepSC: vec4 = (maxPosSC - minPosSC)*(mapperUBO.SampleDistance/rayLengthSC);\n rayStepSC.w = 0.0;\n\n var computedColor: vec4;\n\n//VTK::Volume::Loop\n\n//VTK::RenderEncoder::Impl\n }\n\n return output;\n}\n",cv=new Float64Array(16),dv=new Float64Array(16);function pv(e,t){t.classHierarchy.push("vtkWebGPUVolumePassFSQ"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position");let o=r.getCode();o=Fl.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4(vertexBC, 1.0);"]).result,r.setCode(o),t.getShaderDescription("fragment").addBuiltinInput("vec4","@builtin(position) fragPos")},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderVolume=(e,n,r)=>{const o=n.getShaderDescription("fragment");let i=o.getCode();const a=[],s=[];for(let e=0;e(\n sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n (1.0 - computedColor.a)*sampleColor.a + computedColor.a);")):(s.push(` sampleColor = traverseVals[${e}];`),s.push(" computedColor = vec4(\n sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n (1.0 - computedColor.a)*sampleColor.a + computedColor.a);"));i=Fl.substitute(i,"//VTK::Volume::CompositeCalls",a).result,i=Fl.substitute(i,"//VTK::Volume::TraverseCalls",s).result,i=Fl.substitute(i,"//VTK::Volume::TraverseDec",[`var traverseVals: array,${t.volumes.length}>;`]).result;let l=!1;for(let e=0;e{let r=e.getMTime();for(let e=0;e{let r=Math.max(e.getMTime(),t.WebGPURenderer.getStabilizedTime());for(let e=0;e"),t.SSBO.addEntry("planeNormals","mat4x4"),t.SSBO.addEntry("shade","vec4"),t.SSBO.addEntry("tstep","vec4"),t.SSBO.addEntry("spacing","vec4"),t.SSBO.addEntry("ipScalarRange","vec4"),t.SSBO.setAllInstancesFromArray("SCTCMatrix",i),t.SSBO.setAllInstancesFromArray("planeNormals",a),t.SSBO.setAllInstancesFromArray("shade",l),t.SSBO.setAllInstancesFromArray("tstep",s),t.SSBO.setAllInstancesFromArray("spacing",u),t.SSBO.setAllInstancesFromArray("ipScalarRange",c),t.SSBO.send(n),t.componentSSBO.clearData(),t.componentSSBO.setNumberOfInstances(t.numRows);const d=new Float64Array(t.numRows),p=new Float64Array(t.numRows),g=new Float64Array(t.numRows),v=new Float64Array(t.numRows),_=new Float64Array(t.numRows),T=new Float64Array(t.numRows),S=new Float64Array(t.numRows),w=new Float64Array(t.numRows);let C=0;for(let e=0;e{n();let r=t.volumes[0].getRenderable().getMapper().getSampleDistance();for(let e=0;e{t.pipelineHash="volfsq";for(let e=0;e{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r{const e=r();return e.push(t.componentSSBO),e.push(t.clampSampler),e}}const fv={volumes:null,rowLength:1024,lastVolumeLength:0};function hv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,fv,n),du.extend(e,t,n),t.fragmentShaderTemplate=uv,t.UBO=ac.newInstance({label:"mapperUBO"}),t.UBO.addEntry("SampleDistance","f32"),t.SSBO=ec.newInstance({label:"volumeSSBO"}),t.componentSSBO=ec.newInstance({label:"componentSSBO"}),t.lutBuildTime={},gt.obj(t.lutBuildTime,{mtime:0}),pv(e,t)}var mv={newInstance:gt.newInstance(hv,"vtkWebGPUVolumePassFSQ"),extend:hv};const{Representation:gv}=wu,{BufferUsage:vv,PrimitiveTypes:yv}=qu,bv=[[0,4,6],[0,6,2],[1,3,7],[1,7,5],[0,5,4],[0,1,5],[2,6,7],[2,7,3],[0,3,1],[0,2,3],[4,5,7],[4,7,6]],xv="\n//VTK::Renderer::Dec\n\n//VTK::Select::Dec\n\n//VTK::VolumePass::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output : fragmentOutput;\n\n //VTK::Select::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::VolumePass::Impl\n\n // use the maximum (closest) of the current value and the zbuffer\n // the blend func will then take the min to find the farthest stop value\n var stopval: f32 = max(input.fragPos.z, textureLoad(opaquePassDepthTexture, vec2(i32(input.fragPos.x), i32(input.fragPos.y)), 0));\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n";function _v(e,t){t.classHierarchy.push("vtkWebGPUVolumePass"),e.initialize=n=>{t._clearEncoder||e.createClearEncoder(n),t._mergeEncoder||e.createMergeEncoder(n),t._copyEncoder||e.createCopyEncoder(n),t._depthRangeEncoder||e.createDepthRangeEncoder(n),t.fullScreenQuad||(t.fullScreenQuad=mv.newInstance(),t.fullScreenQuad.setDevice(n.getDevice()),t.fullScreenQuad.setTextureViews([...t._depthRangeEncoder.getColorTextureViews()])),t._volumeCopyQuad||(t._volumeCopyQuad=du.newInstance(),t._volumeCopyQuad.setPipelineHash("volpassfsq"),t._volumeCopyQuad.setDevice(n.getDevice()),t._volumeCopyQuad.setFragmentShaderTemplate("\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = textureSample(volumePassColorTexture,\n volumePassColorTextureSampler, mapperUBO.tscale*input.tcoordVS);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n"),t._copyUBO=ac.newInstance({label:"mapperUBO"}),t._copyUBO.addEntry("tscale","vec2"),t._volumeCopyQuad.setUBO(t._copyUBO),t._volumeCopyQuad.setTextureViews([t._colorTextureView]))},e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r,e.initialize(r),e.computeTiming(r),e.renderDepthBounds(n,r),t._firstGroup=!0;const o=r.getDevice(),i=o.getHandle().limits.maxSampledTexturesPerShaderStage-4;if(t.volumes.length>i){const o=n.getRenderable().getActiveCamera().getPosition(),a=[];for(let e=0;ea[t]-a[e]));let l=[],u=s.length%i;for(let o=0;o=u&&(e.rayCastPass(r,n,l),l=[],u=i,t._firstGroup=!1)}else e.rayCastPass(r,n,t.volumes);if(t._volumeCopyQuad.setWebGPURenderer(n),t._useSmallViewport){const e=t._colorTextureView.getTexture().getWidth(),n=t._colorTextureView.getTexture().getHeight();t._copyUBO.setArray("tscale",[t._smallViewportWidth/e,t._smallViewportHeight/n])}else t._copyUBO.setArray("tscale",[1,1]);t._copyUBO.sendIfNeeded(o),t._copyEncoder.setColorTextureView(0,t.colorTextureView),t._copyEncoder.attachTextureViews(),t._copyEncoder.begin(r.getCommandEncoder()),n.scissorAndViewport(t._copyEncoder),t._volumeCopyQuad.prepareAndDraw(t._copyEncoder),t._copyEncoder.end()},e.delete=gt.chain((()=>{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.computeTiming=e=>{const n=e.getRenderable().getInteractor();if(null==t._lastScale){const e=t.volumes[0].getRenderable().getMapper();t._lastScale=e.getInitialInteractionScale()||1}t._useSmallViewport=!1,n.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._colorTexture.resize(e.getCanvas().width,e.getCanvas().height),t._animationRateSubscription||(t._animationRateSubscription=n.onAnimationFrameRateUpdate((()=>{const e=t.volumes[0].getRenderable().getMapper();if(e.getAutoAdjustSampleDistances()){const e=n.getRecentAnimationFrameRate(),r=t._lastScale*n.getDesiredUpdateRate()/e;t._lastScale=r,t._lastScale>400&&(t._lastScale=400)}else t._lastScale=e.getImageSampleDistance()*e.getImageSampleDistance();t._lastScale<1.5&&(t._lastScale=1.5)})))},e.rayCastPass=(e,n,r)=>{const o=t._firstGroup?t._clearEncoder:t._mergeEncoder;o.attachTextureViews(),o.begin(e.getCommandEncoder());let i=t._colorTextureView.getTexture().getWidth(),a=t._colorTextureView.getTexture().getHeight();if(t._useSmallViewport){const n=e.getCanvas(),r=1/Math.sqrt(t._lastScale);t._smallViewportWidth=Math.ceil(r*n.width),t._smallViewportHeight=Math.ceil(r*n.height),i=t._smallViewportWidth,a=t._smallViewportHeight}o.getHandle().setViewport(0,0,i,a,0,1),o.getHandle().setScissorRect(0,0,i,a),t.fullScreenQuad.setWebGPURenderer(n),t.fullScreenQuad.setVolumes(r),t.fullScreenQuad.prepareAndDraw(o),o.end()},e.renderDepthBounds=(n,r)=>{e.updateDepthPolyData(n);const o=t._boundsPoly,i=o.getPoints(),a=o.getPolys();let s={hash:`vp${a.getMTime()}`,usage:vv.Index,cells:a,numberOfPoints:i.getNumberOfPoints(),primitiveType:yv.Triangles,representation:gv.SURFACE};const l=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().setIndexBuffer(l),s={usage:vv.PointArray,format:"float32x4",hash:`vp${i.getMTime()}${a.getMTime()}`,dataArray:i,indexBuffer:l,packExtra:!0};const u=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().addBuffer(u,["vertexBC"]),t._mapper.setNumberOfVertices(u.getSizeInBytes()/u.getStrideInBytes()),e.drawDepthRange(n,r)},e.updateDepthPolyData=e=>{let n=!1;for(let e=0;e{t._depthRangeTexture.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeTexture2.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeEncoder.attachTextureViews(),e.setCurrentOperation("volumeDepthRangePass"),n.setRenderEncoder(t._depthRangeEncoder),n.volumeDepthRangePass(!0),t._mapper.setWebGPURenderer(n),t._mapper.prepareToDraw(t._depthRangeEncoder),t._mapper.registerDrawCallback(t._depthRangeEncoder),n.volumeDepthRangePass(!1)},e.createDepthRangeEncoder=e=>{const n=e.getDevice();t._depthRangeEncoder=Ug.newInstance({label:"VolumePass DepthRange"}),t._depthRangeEncoder.setPipelineHash("volr"),t._depthRangeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor1"),t.addOutput("vec4","outColor2");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor1 = vec4(input.fragPos.z, 0.0, 0.0, 0.0);","output.outColor2 = vec4(stopval, 0.0, 0.0, 0.0);"]).result,t.setCode(n)})),t._depthRangeEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:null,clearValue:[1,1,1,1],loadOp:"clear",storeOp:"store"}]}),t._depthRangeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"max"},alpha:{srcfactor:"one",dstFactor:"one",operation:"max"}}},{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"min"},alpha:{srcfactor:"one",dstFactor:"one",operation:"min"}}}]}}),t._depthRangeTexture=ev.newInstance({label:"volumePassMaxDepth"}),t._depthRangeTexture.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const r=t._depthRangeTexture.createView("maxTexture");t._depthRangeEncoder.setColorTextureView(0,r),t._depthRangeTexture2=ev.newInstance({label:"volumePassDepthMin"}),t._depthRangeTexture2.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const o=t._depthRangeTexture2.createView("minTexture");t._depthRangeEncoder.setColorTextureView(1,o),t._mapper.setDevice(e.getDevice()),t._mapper.setTextureViews([t.depthTextureView])},e.createClearEncoder=e=>{t._colorTexture=ev.newInstance({label:"volumePassColor"}),t._colorTexture.create(e.getDevice(),{width:e.getCanvas().width,height:e.getCanvas().height,format:"bgra8unorm",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC}),t._colorTextureView=t._colorTexture.createView("volumePassColorTexture"),t._colorTextureView.addSampler(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._clearEncoder=Ug.newInstance({label:"VolumePass Clear"}),t._clearEncoder.setColorTextureView(0,t._colorTextureView),t._clearEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"}]}),t._clearEncoder.setPipelineHash("volpf"),t._clearEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createCopyEncoder=e=>{t._copyEncoder=Ug.newInstance({label:"volumePassCopy"}),t._copyEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._copyEncoder.setPipelineHash("volcopypf"),t._copyEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createMergeEncoder=e=>{t._mergeEncoder=Ug.newInstance({label:"volumePassMerge"}),t._mergeEncoder.setColorTextureView(0,t._colorTextureView),t._mergeEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._mergeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t._mergeEncoder.setPipelineHash("volpf"),t._mergeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.setVolumes=n=>{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Tv,n),Cm.extend(e,t,n),t._mapper=su.newInstance(),t._mapper.setFragmentShaderTemplate(xv),t._mapper.getShaderReplacements().set("replaceShaderVolumePass",((e,t,n)=>{t.getShaderDescription("fragment").addBuiltinInput("vec4","@builtin(position) fragPos")})),t._boundsPoly=ji.newInstance(),t._lastMTimes=[],gt.setGet(e,t,["colorTextureView","depthTextureView"]),_v(e,t)}var wv={newInstance:gt.newInstance(Sv,"vtkWebGPUVolumePass"),extend:Sv};function Cv(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e),t.opaquePass||(t.opaquePass=ov.newInstance());const o=n.getRenderable().getNumberOfLayers(),i=n.getChildren();for(let r=0;r0&&(t.translucentPass||(t.translucentPass=lv.newInstance()),t.translucentPass.setColorTextureView(t.opaquePass.getColorTextureView()),t.translucentPass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.translucentPass.traverse(a,n)),t.volumes.length>0&&(t.volumePass||(t.volumePass=wv.newInstance()),t.volumePass.setColorTextureView(t.opaquePass.getColorTextureView()),t.volumePass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.volumePass.setVolumes(t.volumes),t.volumePass.traverse(a,n)),e.finalPass(n,a))}},e.finalPass=(n,r)=>{t._finalBlitEncoder||e.createFinalBlitEncoder(n),t._finalBlitOutputTextureView.createFromTextureHandle(n.getCurrentTexture(),{depth:1,format:n.getPresentationFormat()}),t._finalBlitEncoder.attachTextureViews(),t._finalBlitEncoder.begin(n.getCommandEncoder()),r.scissorAndViewport(t._finalBlitEncoder),t._fullScreenQuad.prepareAndDraw(t._finalBlitEncoder),t._finalBlitEncoder.end()},e.createFinalBlitEncoder=e=>{t._finalBlitEncoder=Ug.newInstance({label:"forwardPassBlit"}),t._finalBlitEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._finalBlitEncoder.setPipelineHash("fpf"),t._finalBlitEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:e.getPresentationFormat(),blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}}),t._fsqSampler=vc.newInstance({label:"finalPassSampler"}),t._fsqSampler.create(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._fullScreenQuad=du.newInstance(),t._fullScreenQuad.setDevice(e.getDevice()),t._fullScreenQuad.setPipelineHash("fpfsq"),t._fullScreenQuad.setTextureViews([t.opaquePass.getColorTextureView()]),t._fullScreenQuad.setAdditionalBindables([t._fsqSampler]),t._fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = clamp(textureSampleLevel(opaquePassColorTexture, finalPassSampler, input.tcoordVS, 0),vec4(0.0),vec4(1.0));\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n"),t._finalBlitOutputTextureView=Wg.newInstance(),t._finalBlitEncoder.setColorTextureView(0,t._finalBlitOutputTextureView)},e.incrementOpaqueActorCount=()=>t.opaqueActorCount++,e.incrementTranslucentActorCount=()=>t.translucentActorCount++,e.addVolume=e=>{t.volumes.push(e)}}const Av={opaqueActorCount:0,translucentActorCount:0,volumes:null,opaqueRenderEncoder:null,translucentPass:null,volumePass:null};function Ev(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Av,n),Cm.extend(e,t,n),gt.setGet(e,t,["opaquePass","translucentPass","volumePass"]),Cv(e,t)}var Dv={newInstance:gt.newInstance(Ev,"vtkForwardPass"),extend:Ev};const{VtkDataTypes:Iv}=Wr;function Ov(e,t){function n(e){if(e.imageData){e.dataArray=e.imageData.getPointData().getScalars(),e.time=e.dataArray.getMTime(),e.nativeArray=e.dataArray.getData();const t=e.imageData.getDimensions();switch(e.width=t[0],e.height=t[1],e.depth=t[2],e.dataArray.getNumberOfComponents()){case 1:e.format="r";break;case 2:e.format="rg";break;default:e.format="rgba"}switch(e.dataArray.getDataType()){case Iv.UNSIGNED_CHAR:e.format+="8unorm";break;case Iv.FLOAT:case Iv.UNSIGNED_INT:case Iv.INT:case Iv.DOUBLE:case Iv.UNSIGNED_SHORT:case Iv.SHORT:default:e.format+="16float"}}e.image&&(e.width=e.image.width,e.height=e.image.height,e.depth=1,e.format="rgba8unorm"),e.jsImageData&&(e.width=e.jsImageData.width,e.height=e.jsImageData.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.nativeArray=e.jsImageData.data),e.canvas&&(e.width=e.canvas.width,e.height=e.canvas.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.usage=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.RENDER_ATTACHMENT)}function r(e){const n=ev.newInstance();return n.create(t.device,{width:e.width,height:e.height,depth:e.depth,format:e.format,usage:e.usage,mipLevel:e.mipLevel}),(e.nativeArray||e.image||e.canvas)&&n.writeImageData(e),n}t.classHierarchy.push("vtkWebGPUTextureManager"),e.getTexture=e=>e.hash?t.device.getCachedObject(e.hash,r,e):r(e),e.getTextureForImageData=e=>{const r={time:e.getMTime()};return r.imageData=e,n(r),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)},e.getTextureForVTKTexture=e=>{const r={time:e.getMTime()};return e.getInputData()?r.imageData=e.getInputData():e.getImage()?r.image=e.getImage():e.getJsImageData()?r.jsImageData=e.getJsImageData():e.getCanvas()&&(r.canvas=e.getCanvas()),n(r),r.mipLevel=e.getMipLevel(),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)}}const Pv={handle:null,device:null};function Nv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Pv,n),gt.obj(e,t),gt.setGet(e,t,["device"]),Ov(e,t)}var Mv={newInstance:gt.newInstance(Nv),extend:Nv};class Rv extends Map{constructor(){super(),this.registry=new FinalizationRegistry((e=>{const t=super.get(e);t&&t.deref&&void 0===t.deref()&&super.delete(e)}))}getValue(e){const t=super.get(e);if(t){const n=t.deref();if(void 0!==n)return n;super.delete(e)}}setValue(e,t){let n;return t&&"object"==typeof t&&(n=new WeakRef(t),this.registry.register(t,e),super.set(e,n)),n}}function Fv(e,t){t.classHierarchy.push("vtkWebGPUDevice"),e.initialize=e=>{t.handle=e},e.createCommandEncoder=()=>t.handle.createCommandEncoder(),e.submitCommandEncoder=e=>{t.handle.queue.submit([e.finish()])},e.getShaderModule=e=>t.shaderCache.getShaderModule(e),e.getBindGroupLayout=e=>{if(!e.entries)return null;for(let t=0;t{for(let n=0;ne in t.pipelines?t.pipelines[e]:null,e.createPipeline=(n,r)=>{r.initialize(e,n),t.pipelines[n]=r},e.onSubmittedWorkDone=()=>t.handle.queue.onSubmittedWorkDone(),e.hasCachedObject=e=>t.objectCache.getValue(e),e.getCachedObject=function(e,n){if(!e)return vtkErrorMacro("attempt to cache an object without a hash"),null;const r=t.objectCache.getValue(e);if(r)return r;for(var o=arguments.length,i=new Array(o>2?o-2:0),a=2;a2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,kv,n),je(e,t),$e(e,t,["handle"]),He(e,t,["bufferManager","shaderCache","textureManager"]),t.objectCache=new Rv,t.shaderCache=Fl.newInstance(),t.shaderCache.setDevice(e),t.bindGroupLayouts=[],t.bufferManager=qu.newInstance(),t.bufferManager.setDevice(e),t.textureManager=Mv.newInstance(),t.textureManager.setDevice(e),t.pipelines={},Fv(e,t)}var Bv={newInstance:rt(Lv,"vtkWebGPUDevice"),extend:Lv};function Vv(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelectionPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=null,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getDevice();if(t.selectionRenderEncoder)t.colorTexture.resize(n.getCanvas().width,n.getCanvas().height),t.depthTexture.resizeToMatch(t.colorTexture);else{e.createRenderEncoder(),t.colorTexture=ev.newInstance({label:"hardwareSelectorColor"}),t.colorTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"rgba32uint",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const r=t.colorTexture.createView("hardwareSelectColorTexture");t.selectionRenderEncoder.setColorTextureView(0,r),t.depthTexture=ev.newInstance({label:"hardwareSelectorDepth"}),t.depthTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"depth32float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const i=t.depthTexture.createView("hardwareSelectDepthTexture");t.selectionRenderEncoder.setDepthTextureView(i)}t.selectionRenderEncoder.attachTextureViews(),r.setRenderEncoder(t.selectionRenderEncoder),e.setCurrentOperation("cameraPass"),r.traverse(e),e.setCurrentOperation("opaquePass"),r.traverse(e)},e.createRenderEncoder=()=>{t.selectionRenderEncoder=Ug.newInstance({label:"HardwareSelectionPass"}),t.selectionRenderEncoder.setPipelineHash("sel"),t.selectionRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(mapperUBO.PropID, compositeID, 0u, 0u);"]).result,t.setCode(n)})),t.selectionRenderEncoder.getDescription().colorAttachments[0].clearValue=[0,0,0,0],t.selectionRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba32uint",blend:void 0}]}})}}const Uv={selectionRenderEncoder:null,colorTexture:null,depthTexture:null};function Gv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Uv,n),Cm.extend(e,t,n),gt.get(e,t,["colorTexture","depthTexture"]),Vv(e,t)}var zv={newInstance:gt.newInstance(Gv,"vtkWebGPUHardwareSelectionPass"),extend:Gv};const{SelectionContent:jv,SelectionField:Wv}=Hm,{FieldAssociations:Hv}=di,{vtkErrorMacro:Xv}=gt;function Kv(e){return`${e.propID} ${e.compositeID}`}function qv(e,t,n,r){const o=4*((n.height-t-1)*n.colorBufferWidth+e)+r;return n.colorValues[o]}function $v(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]<0||t[0]>=e.width||t[1]<0||t[1]>=e.height)return null;const n=qv(t[0],t[1],e,0);if(n<=0)return null;const o={};o.propID=n;let i=qv(t[0],t[1],e,1);if((i<0||i>16777215)&&(i=0),o.compositeID=i,e.captureZValues){const n=(e.height-t[1]-1)*e.zbufferBufferWidth+t[0];o.zValue=e.depthValues[n],o.zValue=e.webGPURenderer.convertToOpenGLDepth(o.zValue),o.displayPosition=t}return o}const i=[t[0],t[1]],a=[0,0];let s=$v(e,t,0,r);if(s)return s;for(let t=1;tt?i[1]-t:0;n<=i[1]+t;++n){if(a[1]=n,i[0]>=t&&(a[0]=i[0]-t,s=$v(e,a,0,r),s))return s;if(a[0]=i[0]+t,s=$v(e,a,0,r),s)return s}for(let n=i[0]>=t?i[0]-(t-1):0;n<=i[0]+(t-1);++n){if(a[0]=n,i[1]>=t&&(a[1]=i[1]-t,s=$v(e,a,0,r),s))return s;if(a[1]=i[1]+t,s=$v(e,a,0,r),s)return s}}return r[0]=t[0],r[1]=t[1],null}function Yv(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelector"),e.endSelection=()=>{t.WebGPURenderer.setSelector(null)},e.getSourceDataAsync=async e=>{if(!e||!t._WebGPURenderWindow)return Xv("Renderer and view must be set before calling Select."),!1;t._WebGPURenderWindow.getRenderable().preRender(),t._WebGPURenderWindow.getInitialized()||(t._WebGPURenderWindow.initialize(),await new Promise((e=>{t._WebGPURenderWindow.onInitialized(e)})));const n=t._WebGPURenderWindow.getViewNodeFor(e);if(!n)return!1;const r=n.getSuppressClear();n.setSuppressClear(!0),t._selectionPass.traverse(t._WebGPURenderWindow,n),n.setSuppressClear(r);const o=t._WebGPURenderWindow.getDevice(),i=t._selectionPass.getColorTexture(),a=t._selectionPass.getDepthTexture(),s={area:[0,0,i.getWidth()-1,i.getHeight()-1],captureZValues:t.captureZValues,fieldAssociation:t.fieldAssociation,renderer:e,webGPURenderer:n,webGPURenderWindow:t._WebGPURenderWindow,width:i.getWidth(),height:i.getHeight()};s.colorBufferWidth=16*Math.floor((s.width+15)/16),s.colorBufferSizeInBytes=s.colorBufferWidth*s.height*4*4;const l=vu.newInstance({label:"hardwareSelectColorBuffer"});l.setDevice(o),l.create(s.colorBufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST);const u=t._WebGPURenderWindow.getCommandEncoder();let c;u.copyTextureToBuffer({texture:i.getHandle()},{buffer:l.getHandle(),bytesPerRow:16*s.colorBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1}),t.captureZValues&&(s.zbufferBufferWidth=64*Math.floor((s.width+63)/64),c=vu.newInstance({label:"hardwareSelectDepthBuffer"}),c.setDevice(o),s.zbufferSizeInBytes=s.height*s.zbufferBufferWidth*4,c.create(s.zbufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST),u.copyTextureToBuffer({texture:a.getHandle(),aspect:"depth-only"},{buffer:c.getHandle(),bytesPerRow:4*s.zbufferBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1})),o.submitCommandEncoder(u);const d=l.mapAsync(GPUMapMode.READ);if(t.captureZValues){const e=c.mapAsync(GPUMapMode.READ);await Promise.all([d,e]),s.depthValues=new Float32Array(c.getMappedRange().slice()),c.unmap()}else await d;return s.colorValues=new Uint32Array(l.getMappedRange().slice()),l.unmap(),s.generateSelection=(e,t,n,r)=>function(e,t,n,r,o){const i=Math.floor(t),a=Math.floor(n),s=Math.floor(r),l=Math.floor(o),u=new Map,c=[0,0];for(let t=a;t<=l;t++)for(let n=i;n<=s;n++){const r=$v(e,[n,t],0,c);if(r){const t=Kv(r);if(u.has(t)){const n=u.get(t);n.pixelCount++,e.captureZValues&&r.zValue{const a=Hm.newInstance();switch(a.setContentType(jv.INDICES),e){case Hv.FIELD_ASSOCIATION_CELLS:a.setFieldType(Wv.CELL);break;case Hv.FIELD_ASSOCIATION_POINTS:a.setFieldType(Wv.POINT);break;default:Xv("Unknown field association")}a.getProperties().propID=t.info.propID;const s=n.webGPURenderer.getPropFromID(t.info.propID);a.getProperties().prop=s.getRenderable(),a.getProperties().compositeID=t.info.compositeID,a.getProperties().pixelCount=t.pixelCount,n.captureZValues&&(a.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],a.getProperties().worldPosition=n.webGPURenderWindow.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,n.renderer)),a.setSelectionList(t.attributeIDs),r[o]=a,o++})),r}(e.fieldAssociation,u,e)}(s,e,t,n,r),s}}const Jv={};function Qv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Jv,n),Gm.extend(e,t,n),t._selectionPass=zv.newInstance(),gt.setGet(e,t,["_WebGPURenderWindow"]),gt.moveToProtected(e,t,["WebGPURenderWindow"]),Yv(e,t)}var Zv={newInstance:gt.newInstance(Qv,"vtkWebGPUHardwareSelector"),extend:Qv};const{vtkErrorMacro:ey}=gt,ty={position:"absolute",top:0,left:0,width:"100%",height:"100%"};function ny(e,t){t.classHierarchy.push("vtkWebGPURenderWindow"),e.getViewNodeFactory=()=>t.myFactory;const n=[0,0];e.onModified((function(){t.renderable&&(t.size[0]===n[0]&&t.size[1]===n[1]||(n[0]=t.size[0],n[1]=t.size[1],t.canvas.setAttribute("width",t.size[0]),t.canvas.setAttribute("height",t.size[1]),e.recreateSwapChain())),t.viewStream&&t.viewStream.setSize(t.size[0],t.size[1]),t.canvas.style.display=t.useOffScreen?"none":"block",t.el&&(t.el.style.cursor=t.cursorVisibility?t.cursor:"none"),t.containerSize=null})),e.recreateSwapChain=()=>{t.context&&(t.context.unconfigure(),t.presentationFormat=navigator.gpu.getPreferredCanvasFormat(t.adapter),t.context.configure({device:t.device.getHandle(),format:t.presentationFormat,alphaMode:"premultiplied",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_DST,width:t.size[0],height:t.size[1]}),t._configured=!0)},e.getCurrentTexture=()=>t.context.getCurrentTexture(),e.buildPass=n=>{if(n){if(!t.renderable)return;e.prepareNodes(),e.addMissingNodes(t.renderable.getRenderersByReference()),e.removeUnusedNodes(),e.initialize()}else t.initialized&&(t._configured||e.recreateSwapChain(),t.commandEncoder=t.device.createCommandEncoder())},e.initialize=()=>{if(!t.initializing){if(t.initializing=!0,!navigator.gpu)return void ey("WebGPU is not enabled.");e.create3DContextAsync().then((()=>{t.initialized=!0,t.deleted||e.invokeInitialized()}))}},e.setContainer=n=>{t.el&&t.el!==n&&(t.canvas.parentNode!==t.el&&ey("Error: canvas parent node does not match container"),t.el.removeChild(t.canvas),t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)),t.el!==n&&(t.el=n,t.el&&(t.el.appendChild(t.canvas),t.useBackgroundImage&&t.el.appendChild(t.bgImage)),e.modified())},e.getContainer=()=>t.el,e.getContainerSize=()=>{if(!t.containerSize&&t.el){const{width:e,height:n}=t.el.getBoundingClientRect();t.containerSize=[e,n]}return t.containerSize||t.size},e.getFramebufferSize=()=>t.size,e.create3DContextAsync=async()=>{t.adapter=await navigator.gpu.requestAdapter({powerPreference:"high-performance"}),t.deleted||(t.device=Bv.newInstance(),t.device.initialize(await t.adapter.requestDevice()),t.deleted?t.device=null:t.context=t.canvas.getContext("webgpu"))},e.releaseGraphicsResources=()=>{const n=Cm.newInstance();n.setCurrentOperation("Release"),n.traverse(e,null),t.adapter=null,t.device=null,t.context=null,t.initialized=!1,t.initializing=!1},e.setBackgroundImage=e=>{t.bgImage.src=e.src},e.setUseBackgroundImage=e=>{t.useBackgroundImage=e,t.useBackgroundImage&&!t.el.contains(t.bgImage)?t.el.appendChild(t.bgImage):!t.useBackgroundImage&&t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)},e.captureNextImage=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"image/png",{resetCamera:r=!1,size:o=null,scale:i=1}=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(t.deleted)return null;t.imageFormat=n;const a=t.notifyStartCaptureImage;return t.notifyStartCaptureImage=!0,t._screenshot={size:o||1!==i?o||t.size.map((e=>e*i)):null},new Promise(((n,o)=>{const i=e.onImageReady((o=>{if(null===t._screenshot.size)t.notifyStartCaptureImage=a,i.unsubscribe(),t._screenshot.placeHolder&&(t.size=t._screenshot.originalSize,e.modified(),t._screenshot.cameras&&t._screenshot.cameras.forEach((e=>{let{restoreParamsFn:t,arg:n}=e;return t(n)})),e.traverseAllPasses(),t.el.removeChild(t._screenshot.placeHolder),t._screenshot.placeHolder.remove(),t._screenshot=null),n(o);else{const n=document.createElement("img");if(n.style=ty,n.src=o,t._screenshot.placeHolder=t.el.appendChild(n),t.canvas.style.display="none",t._screenshot.originalSize=t.size,t.size=t._screenshot.size,t._screenshot.size=null,e.modified(),r){const e=!0!==r;t._screenshot.cameras=t.renderable.getRenderers().map((t=>{const n=t.getActiveCamera(),o=n.get("focalPoint","position","parallelScale");return{resetCameraArgs:e?{renderer:t}:void 0,resetCameraFn:e?r:t.resetCamera,restoreParamsFn:n.set,arg:JSON.parse(JSON.stringify(o))}})),t._screenshot.cameras.forEach((e=>{let{resetCameraFn:t,resetCameraArgs:n}=e;return t(n)}))}e.traverseAllPasses()}}))}))},e.traverseAllPasses=()=>{if(!t.deleted)if(t.initialized){if(t.renderPasses)for(let n=0;n{!async function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:t.imageFormat;const r=document.createElement("canvas"),o=r.getContext("2d");r.width=t.canvas.width,r.height=t.canvas.height;const i=await e.getPixelsAsync(),a=new ImageData(i.colorValues,i.width,i.height);o.putImageData(a,0,0);const s=t.canvas.getBoundingClientRect(),l=t.renderable;l.getRenderers().forEach((e=>{e.getViewProps().forEach((e=>{if(e.getContainer){const t=e.getContainer().getElementsByTagName("canvas");for(let e=0;e{t.unsubscribe(),e.traverseAllPasses()}))}},e.setViewStream=n=>t.viewStream!==n&&(t.subscription&&(t.subscription.unsubscribe(),t.subscription=null),t.viewStream=n,t.viewStream&&(t.renderable.getRenderers()[0].getBackgroundByReference()[3]=0,e.setUseBackgroundImage(!0),t.subscription=t.viewStream.onImageReady((t=>e.setBackgroundImage(t.image))),t.viewStream.setSize(t.size[0],t.size[1]),t.viewStream.invalidateCache(),t.viewStream.render(),e.modified()),!0),e.getUniquePropID=()=>t.nextPropID++,e.getPropFromID=e=>{for(let n=0;n{const e=t.device,n=t.renderPasses[0].getOpaquePass().getColorTexture(),r={width:n.getWidth(),height:n.getHeight()};r.colorBufferWidth=32*Math.floor((r.width+31)/32),r.colorBufferSizeInBytes=r.colorBufferWidth*r.height*8;const o=vu.newInstance();o.setDevice(e),o.create(r.colorBufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST);const i=t.device.createCommandEncoder();i.copyTextureToBuffer({texture:n.getHandle()},{buffer:o.getHandle(),bytesPerRow:8*r.colorBufferWidth,rowsPerImage:r.height},{width:r.width,height:r.height,depthOrArrayLayers:1}),e.submitCommandEncoder(i);const a=o.mapAsync(GPUMapMode.READ);await a,r.colorValues=new Uint16Array(o.getMappedRange().slice()),o.unmap();const s=new Uint8ClampedArray(r.height*r.width*4);for(let e=0;e{const t=Zv.newInstance();return t.setWebGPURenderWindow(e),t};const r=e.setSize;e.setSize=(t,n)=>{const o=r(t,n);return o&&e.invokeWindowResizeEvent({width:t,height:n}),o},e.delete=gt.chain(e.delete,e.setViewStream)}const ry={initialized:!1,context:null,adapter:null,device:null,canvas:null,cursorVisibility:!0,cursor:"pointer",containerSize:null,renderPasses:[],notifyStartCaptureImage:!1,imageFormat:"image/png",useOffScreen:!1,useBackgroundImage:!1,nextPropID:1,xrSupported:!1,presentationFormat:null};const oy=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ry,n),t.canvas=document.createElement("canvas"),t.canvas.style.width="100%",t.bgImage=new Image,t.bgImage.style.position="absolute",t.bgImage.style.left="0",t.bgImage.style.top="0",t.bgImage.style.width="100%",t.bgImage.style.height="100%",t.bgImage.style.zIndex="-1",Sg.extend(e,t,n),t.myFactory=xl.newInstance(),t.myFactory.registerOverride("vtkRenderWindow",oy),t.renderPasses[0]=Dv.newInstance(),t.selector||(t.selector=Zv.newInstance(),t.selector.setWebGPURenderWindow(e)),gt.event(e,t,"imageReady"),gt.event(e,t,"initialized"),gt.get(e,t,["commandEncoder","device","presentationFormat","useBackgroundImage","xrSupported"]),gt.setGet(e,t,["initialized","context","canvas","device","renderPasses","notifyStartCaptureImage","cursor","useOffScreen"]),gt.setGetArray(e,t,["size"],2),gt.event(e,t,"windowResizeEvent"),ny(e,t)}),"vtkWebGPURenderWindow");If("WebGPU",oy);const iy=bh(),ay={margin:"0",padding:"0",position:"absolute",top:"0",left:"0",width:"100%",height:"100%",overflow:"hidden"},sy={position:"absolute",left:"25px",top:"25px",backgroundColor:"white",borderRadius:"5px",listStyle:"none",padding:"5px 10px",margin:"0",display:"block",border:"solid 1px black",maxWidth:"calc(100% - 70px)",maxHeight:"calc(100% - 60px)",overflow:"auto"};function ly(e,t){Object.keys(t).forEach((n=>{e.style[n]=t[n]}))}function uy(e,t){t.classHierarchy.push("vtkFullScreenRenderWindow");const n=document.querySelector("body");t.rootContainer||(t.rootContainer=n),t.container||(t.container=document.createElement("div"),ly(t.container,t.containerStyle||ay),t.rootContainer.appendChild(t.container)),t.rootContainer===n&&(document.documentElement.style.height="100%",n.style.height="100%",n.style.padding="0",n.style.margin="0"),t.renderWindow=Rf.newInstance(),t.renderer=Ef.newInstance(),t.renderWindow.addRenderer(t.renderer),t.apiSpecificRenderWindow=t.renderWindow.newAPISpecificView(iy.viewAPI??t.defaultViewAPI),t.apiSpecificRenderWindow.setContainer(t.container),t.renderWindow.addView(t.apiSpecificRenderWindow),t.interactor=Qf.newInstance(),t.interactor.setInteractorStyle(gh.newInstance()),t.interactor.setView(t.apiSpecificRenderWindow),t.interactor.initialize(),t.interactor.bindEvents(t.container),e.setBackground=t.renderer.setBackground,e.removeController=()=>{const e=t.controlContainer;e&&e.parentNode.removeChild(e)},e.setControllerVisibility=e=>{t.controllerVisibility=e,t.controlContainer&&(t.controlContainer.style.display=e?"block":"none")},e.toggleControllerVisibility=()=>{e.setControllerVisibility(!t.controllerVisibility)},e.addController=n=>{t.controlContainer=document.createElement("div"),ly(t.controlContainer,t.controlPanelStyle||sy),t.rootContainer.appendChild(t.controlContainer),t.controlContainer.innerHTML=n,e.setControllerVisibility(t.controllerVisibility),t.rootContainer.addEventListener("keypress",(t=>{"c"===String.fromCharCode(t.charCode)&&e.toggleControllerVisibility()}))},e.setBackground(...t.background),e.addRepresentation=e=>{e.getActors().forEach((e=>{t.renderer.addActor(e)}))},e.removeRepresentation=e=>{e.getActors().forEach((e=>t.renderer.removeActor(e)))},e.delete=gt.chain(e.setContainer,t.apiSpecificRenderWindow.delete,e.delete),e.resize=()=>{const e=t.container.getBoundingClientRect(),n=window.devicePixelRatio||1;t.apiSpecificRenderWindow.setSize(Math.floor(e.width*n),Math.floor(e.height*n)),t.resizeCallback&&t.resizeCallback(e),t.renderWindow.render()},e.setResizeCallback=n=>{t.resizeCallback=n,e.resize()},t.listenWindowResize&&window.addEventListener("resize",e.resize),e.resize()}const cy={background:[.32,.34,.43],containerStyle:null,controlPanelStyle:null,listenWindowResize:!0,resizeCallback:null,controllerVisibility:!0};function dy(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,cy,n),gt.obj(e,t),gt.get(e,t,["renderWindow","renderer","apiSpecificRenderWindow","interactor","rootContainer","container","controlContainer"]),uy(e,t)}var py={newInstance:gt.newInstance(dy),extend:dy};const fy={HmdVR:0,MobileAR:1,LookingGlassVR:2,HmdAR:3};var hy={XrSessionTypes:fy};const{XrSessionTypes:my}=hy;function gy(e,t){t.classHierarchy.push("vtkWebXRRenderWindowHelper"),e.initialize=e=>{t.initialized||(t.renderWindow=e,t.initialized=!0)},e.getXrSupported=()=>void 0!==navigator.xr,e.startXR=n=>{if(void 0===navigator.xr)throw new Error("WebXR is not available");t.xrSessionType=void 0!==n?n:my.HmdVR;const r=[my.HmdAR,my.MobileAR].includes(t.xrSessionType),o=r?"immersive-ar":"immersive-vr";if(!navigator.xr.isSessionSupported(o))throw r?new Error("Device does not support AR session"):new Error("VR display is not available");if(null!==t.xrSession)throw new Error("XR Session already exists!");navigator.xr.requestSession(o).then(e.enterXR,(()=>{throw new Error("Failed to create XR session!")}))},e.enterXR=async n=>{if(t.xrSession=n,t.initCanvasSize=t.renderWindow.getSize(),null===t.xrSession)throw new Error("Failed to enter XR with a null xrSession.");{const n=t.renderWindow.get3DContext();await n.makeXRCompatible();const{XRWebGLLayer:r}=window,o=new r(t.xrSession,n.__getUnderlyingContext());if(t.renderWindow.setSize(o.framebufferWidth,o.framebufferHeight),t.xrSession.updateRenderState({baseLayer:o}),t.xrSession.requestReferenceSpace("local").then((e=>{t.xrReferenceSpace=e})),[my.HmdAR,my.MobileAR].includes(t.xrSessionType)){const e=t.renderWindow.getRenderable().getRenderers()[0];t.initBackground=e.getBackground(),e.setBackground([0,0,0,0])}e.resetXRScene(),t.renderWindow.getRenderable().getInteractor().switchToXRAnimation(),t.xrSceneFrame=t.xrSession.requestAnimationFrame(t.xrRender),e.modified()}},e.resetXRScene=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:.25,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:-1.5;const r=t.renderWindow.getRenderable().getRenderers()[0];r.resetCamera();const o=r.getActiveCamera();let i=o.getPhysicalScale();const a=o.getPhysicalTranslation(),s=n*i;i/=e,a[2]+=s,o.setPhysicalScale(i),o.setPhysicalTranslation(a),o.setClippingRange(.1*i,100*i)},e.stopXR=async()=>{if(void 0===navigator.xr)return;if(null!==t.xrSession){t.xrSession.cancelAnimationFrame(t.xrSceneFrame),t.renderWindow.getRenderable().getInteractor().returnFromXRAnimation();const e=t.renderWindow.get3DContext();e.bindFramebuffer(e.FRAMEBUFFER,null),await t.xrSession.end().catch((e=>{if(!(e instanceof DOMException))throw e})),t.xrSession=null}null!==t.initCanvasSize&&t.renderWindow.setSize(...t.initCanvasSize);const n=t.renderWindow.getRenderable().getRenderers()[0];null!=t.initBackground&&(n.setBackground(t.initBackground),t.initBackground=null),n.getActiveCamera().setProjectionMatrix(null),n.resetCamera(),n.setViewport(0,0,1,1),t.renderWindow.traverseAllPasses(),e.modified()},t.xrRender=async(e,n)=>{const r=n.session,o=[my.HmdVR,my.HmdAR].includes(t.xrSessionType);t.renderWindow.getRenderable().getInteractor().updateXRGamepads(r,n,t.xrReferenceSpace),t.xrSceneFrame=t.xrSession.requestAnimationFrame(t.xrRender);const i=n.getViewerPose(t.xrReferenceSpace);if(i){const e=t.renderWindow.get3DContext();t.xrSessionType===my.MobileAR&&null!==t.initCanvasSize&&(e.canvas.width=t.initCanvasSize[0],e.canvas.height=t.initCanvasSize[1]);const n=r.renderState.baseLayer;e.bindFramebuffer(e.FRAMEBUFFER,n.framebuffer),e.clear(e.COLOR_BUFFER_BIT),e.clear(e.DEPTH_BUFFER_BIT),t.renderWindow.setSize(n.framebufferWidth,n.framebufferHeight);const a=t.renderWindow.getRenderable().getRenderers()[0];i.views.forEach(((e,r)=>{const i=n.getViewport(e);if(o)if("left"===e.eye)a.setViewport(0,0,.5,1);else{if("right"!==e.eye)return;a.setViewport(.5,0,1,1)}else if(t.xrSessionType===my.LookingGlassVR){const e=i.x/n.framebufferWidth,t=i.y/n.framebufferHeight,r=(i.x+i.width)/n.framebufferWidth,o=(i.y+i.height)/n.framebufferHeight;a.setViewport(e,t,r,o)}else a.setViewport(0,0,1,1);a.getActiveCamera().computeViewParametersFromPhysicalMatrix(e.transform.inverse.matrix),a.getActiveCamera().setProjectionMatrix(e.projectionMatrix),t.renderWindow.traverseAllPasses()})),e.scissor(0,0,n.framebufferWidth,n.framebufferHeight),e.disable(e.SCISSOR_TEST)}},e.delete=gt.chain(e.delete)}const vy={initialized:!1,initCanvasSize:null,initBackground:null,renderWindow:null,xrSession:null,xrSessionType:0,xrReferenceSpace:null};function yy(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,vy,n),gt.obj(e,t),gt.event(e,t,"event"),gt.get(e,t,["xrSession"]),gt.setGet(e,t,["renderWindow"]),gy(e,t)}var by={newInstance:gt.newInstance(yy,"vtkWebXRRenderWindowHelper"),extend:yy};const{vtkErrorMacro:xy,vtkDebugMacro:_y}=gt;let Ty=0;function Sy(e,t){let n=arguments.length>2&&void 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n=1;if(t.spanEnd!==t.sliceEnd)t.id=t.rowEnd+t.rowEndIncrement,t.rowEnd+=t.rowIncrement,t.spanEnd=t.rowEnd,t.index[1]++;else{if(t.spanEnd===t.end)return void(t.id=t.end);t.id=t.sliceEnd+t.sliceEndIncrement,t.sliceEnd+=t.sliceIncrement,t.rowEnd=t.id+(t.rowIncrement-t.rowEndIncrement),t.spanEnd=t.rowEnd,t.index[1]=t.startY,t.index[2]++,n+=t.spanSliceEndIncrement}t.index[0]=t.extent[0],t.hasStencil&&(t.index[1]>=t.extent[2]&&t.index[1]<=t.extent[3]&&t.index[2]>=t.extent[4]&&t.index[2]<=t.extent[5]?(t.spanCountPointer=t.spanCountPointer.subarray(n),t.spanListPointer=t.spanListPointer.subarray(n),e.setSpanState(t.extent[0])):t.inStencil=!1),t.algorithm&&e.reportProgress()}else{t.id=t.spanEnd;const e=t.spanCountPointer[0];let n=t.extent[1]+1;if(t.index[0]=n,t.spanIndext.id===t.end,e.isInStencil=()=>t.inStencil,e.spanEndId=()=>t.spanEnd,e.reportProgress=()=>{},e.getArray=(e,t)=>e.getData().subarray(t*e.getNumberOfComponents()),e.getScalars=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;return e.getArray(t.getPointData().getScalars(),n)}}const Xb={spanState:0,extent:[0,-1,0,-1,0,-1],end:0,spanEnd:0,rowEnd:0,sliceEnd:0,rowIncrement:0,rowEndIncrement:0,sliceIncrement:0,sliceEndIncrement:0,id:0,index:[0,0,0],startY:0,hasStencil:!1,inStencil:!0,spanIndex:0,spanSliceIncrement:0,spanSliceEndIncrement:0,spanCountPointer:null,spanListPointer:null,algorithm:null,target:0,count:0};function Kb(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Xb,n),gt.obj(e,t),gt.get(e,t,["id","index"]),Hb(e,t)}var qb={newInstance:gt.newInstance(Kb,"vtkImagePointDataIterator"),extend:Kb},$b={SlabMode:{MIN:0,MAX:1,MEAN:2,SUM:3}};const{SlabMode:Yb}=$b,{vtkErrorMacro:Jb}=gt;function Qb(e,t){t.classHierarchy.push("vtkImageReslice");const n={...e},r=f(new Float64Array(16));let o=null;function i(e,t,n,r){const o=n-1;for(let n=0;n{let e=n.getMTime();return t.resliceTransform&&(e=Math.max(e,t.resliceTransform.getMTime())),e},e.setResliceAxes=n=>(t.resliceAxes||(t.resliceAxes=f(new Float64Array(16))),te(t.resliceAxes,n)?null:(c(t.resliceAxes,n),e.modified(),!0)),e.requestData=(n,i)=>{const a=n[0];if(!a)return void Jb("Invalid or missing input");const s=a.getOrigin(),l=a.getSpacing(),u=a.getDimensions(),c=a.getPointData().getScalars(),d=[0,u[0]-1,0,u[1]-1,0,u[2]-1],p=[0,0,0],h=[1,1,1],g=[0,0,0,0,0,0],v=[0,0,0],b=f(new Float64Array(16));t.resliceAxes&&y(b,b,t.resliceAxes);const x=new Float64Array(16);m(x,b);const _=[s[0]+.5*(d[0]+d[1])*l[0],s[1]+.5*(d[2]+d[3])*l[1],s[2]+.5*(d[4]+d[5])*l[2]];let T=null;t.autoCropOutput&&(T=e.getAutoCroppedOutputBounds(a));for(let e=0;e<3;e++){let n=0,r=0,o=0,i=0;if(t.transformInputSampling){let t=0;for(let a=0;a<3;a++){i+=x[4*a+e]*(_[a]-b[12+a]);const s=b[4*e+a]*b[4*e+a];n+=s*Math.abs(l[a]),r+=s*(d[2*a+1]-d[2*a])*Math.abs(l[a]),o+=s*d[2*a],t+=s}n/=t,r/=t*Math.sqrt(t),o/=t}else i=_[e],n=l[e],r=(d[2*e+1]-d[2*e])*n,o=d[2*e];null==t.outputSpacing?h[e]=n:h[e]=t.outputSpacing[e],e>=t.outputDimensionality?(g[2*e]=0,g[2*e+1]=0):null==t.outputExtent?(t.autoCropOutput&&(r=T[2*e+1]-T[2*e]),g[2*e]=Math.round(o),g[2*e+1]=Math.round(g[2*e]+Math.abs(r/h[e]))):(g[2*e]=t.outputExtent[2*e],g[2*e+1]=t.outputExtent[2*e+1]),e>=t.outputDimensionality?p[e]=0:null==t.outputOrigin?t.autoCropOutput?p[e]=T[2*e]-g[2*e]*h[e]:p[e]=i-.5*(g[2*e]+g[2*e+1])*h[e]:p[e]=t.outputOrigin[e],v[e]=g[2*e+1]-g[2*e]+1}let S=c.getDataType();t.outputScalarType&&(S=t.outputScalarType);const w=a.getPointData().getScalars().getNumberOfComponents(),C=gt.newTypedArray(S,v[0]*v[1]*v[2]*w),A=Wr.newInstance({name:"Scalars",values:C,numberOfComponents:w}),E=qh.newInstance();E.setDimensions(v),E.setOrigin(p),E.setSpacing(h),t.outputDirection&&E.setDirection(t.outputDirection),E.getPointData().setScalars(A),e.getIndexMatrix(a,E);let D=t.interpolationMode;t.usePermuteExecute=!1,t.optimization&&null==o&&1===t.slabSliceSpacingFraction&&t.interpolator.isSeparable()&&e.isPermutationMatrix(r)&&(t.usePermuteExecute=!0,e.canUseNearestNeighbor(r,g)&&(D=Eb.NEAREST)),t.interpolator.setInterpolationMode(D);let I=Ab.CLAMP;I=t.wrap?Ab.REPEAT:I,I=t.mirror?Ab.MIRROR:I,t.interpolator.setBorderMode(I);const O=762939453125e-17;let P=.5*t.border;P=I===Ab.CLAMP?P:4294967294,P=P>O?P:O,t.interpolator.setTolerance(P),t.interpolator.initialize(a),e.vtkImageResliceExecute(a,E),t.interpolator.releaseData(),i[0]=E},e.vtkImageResliceExecute=(n,i)=>{const a=n.getPointData().getScalars(),s=i.getPointData().getScalars();let l=s.getData();const u=i.getExtent(),c=r,d=Math.max(t.slabNumberOfSlices,1),p=t.slabSliceSpacingFraction,f=e.isPerspectiveMatrix(c);let h=a.getData();const m=a.getDataType(),g=a.getNumberOfComponents(),v=t.interpolator.getComponentOffset(),y=t.interpolator.getBorderMode(),b=n.getDimensions(),x=[0,b[0]-1,0,b[1]-1,0,b[2]-1],_=[0,0,0];_[0]=a.getNumberOfComponents(),_[1]=_[0]*b[0],_[2]=_[1]*b[1];const T=b[0]*b[1]*b[2];v>0&&v+g<_[0]&&(h=h.subarray(1*v));let S=Eb.NEAREST;t.interpolator.isA("vtkImageInterpolator")&&(S=t.interpolator.getInterpolationMode());const w=0!==t.scalarShift||1!==t.scalarScale,C=S===Eb.NEAREST&&y===Ab.CLAMP&&!(null!=o||f||w)&&m===s.getDataType()&&T===a.getNumberOfTuples()&&!0===t.border&&d<=1,A=s.getDataType(),E=s.getNumberOfComponents(),D=[0,0,0,0],I=[0,0,0,0],O=[0,0,0,0],P=[0,0,0,0];for(let e=0;e<4;++e)D[e]=c[0+e],I[e]=c[4+e],O[e]=c[8+e],P[e]=c[12+e];let N=null;C||(N=new Float64Array(g*(u[1]-u[0]+d)));const M=gt.newTypedArray(m,t.backgroundColor),R=S>Eb.LINEAR||d>1&&t.slabMode===Yb.SUM,F=e.getConversionFunc(m,A,t.scalarShift,t.scalarScale,R),k=e.getSetPixelsFunc(A,1,E,l),L=e.getCompositeFunc(t.slabMode,t.slabTrapezoidIntegration);let B=u[2]-1,V=u[4]-1;const U=[0,0,0,0],G=[0,0,0,0],z=qb.newInstance();z.initialize(i,u,t.stencil,null);const j=z.getScalars(i,0);let W=0;const H=gt.newTypedArray(A,bf.getDiagonalLength(u)*E*2),X=new Float64Array(g*d),K=new Float64Array(g);for(;!z.isAtEnd();z.nextSpan()){const n=z.spanEndId()-z.getId();if(W=1*z.getId()*E,z.isInStencil()){const r=z.getIndex();r[2]>V&&(V=r[2],U[0]=P[0]+V*O[0],U[1]=P[1]+V*O[1],U[2]=P[2]+V*O[2],U[3]=P[3]+V*O[3],B=u[2]-1),r[1]>B&&(B=r[1],G[0]=U[0]+B*I[0],G[1]=U[1]+B*I[1],G[2]=U[2]+B*I[2],G[3]=U[3]+B*I[3]);const i=r[0],a=i+n-1;if(C){const e=h,t=l,n=1*_[0],r=1*_[1],o=1*_[2],s=x[1]-x[0]+1,u=x[3]-x[2]+1,c=x[5]-x[4]+1;let d=i,p=i-1,f=!1;const m=1*g;for(let t=i;t<=a;t++){const a=[G[0]+t*D[0],G[1]+t*D[1],G[2]+t*D[2]],l=Nb(a[0])-x[0],h=Nb(a[1])-x[2],g=Nb(a[2])-x[4];if(l>=0&&l=0&&h=0&&g1){let e=n-.5*(d-1);e*=p,s[0]=a[0]+e*O[0],s[1]=a[1]+e*O[1],s[2]=a[2]+e*O[2],s[3]=a[3]+e*O[3],h=s}if(f){const e=1/h[3];h[0]*=e,h[1]*=e,h[2]*=e}if(null!==o){const n=t.interpolator.getOrigin(),r=t.interpolator.getSpacing(),i=[1/r[0],1/r[1],1/r[2]];e.applyTransform(o,h,n,i)}if(t.interpolator.checkBoundsIJK(h)){r=1,t.interpolator.interpolateIJK(h,K);for(let e=0;eg&&L(X,g,m/g);for(let e=0;ei?n:r}const h=l-1-(r!==n)-s+1;let m=0;n?(w&&e.rescaleScalars(N,g,a-i+1,t.scalarShift,t.scalarScale),m=F(H,N.subarray(s*g),E,h)):m=k(H,M,E,h);for(let e=0;e{const i=f(new Float64Array(16));return o=null,t.resliceAxes&&c(i,t.resliceAxes),t.resliceTransform&&(t.resliceTransform.isA("vtkHomogeneousTransform")?y(i,t.resliceTransform.getMatrix(),i):Ae("Non homogeneous transform have not yet been ported")),y(i,i,n.getIndexToWorld()),null==o&&y(i,e.getWorldToIndex(),i),c(r,i),r},e.getAutoCroppedOutputBounds=e=>{const n=e.getOrigin(),r=e.getSpacing(),o=e.getDirection(),i=e.getDimensions(),a=[0,i[0]-1,0,i[1]-1,0,i[2]-1],s=new Float64Array(16);t.resliceAxes?m(s,t.resliceAxes):f(s);let l=null;t.resliceTransform&&(l=t.resliceTransform.getInverse());let u=null;Pr.isIdentity3x3(o)||(u=Va().translate(n[0],n[1],n[2]).multiply3x3(o).translate(-n[0],-n[1],-n[2]).invert().getMatrix());const c=[Number.MAX_VALUE,-Number.MAX_VALUE,Number.MAX_VALUE,-Number.MAX_VALUE,Number.MAX_VALUE,-Number.MAX_VALUE],d=[0,0,0,0];for(let e=0;e<8;++e){d[0]=n[0]+a[e%2]*r[0],d[1]=n[1]+a[2+Math.floor(e/2)%2]*r[1],d[2]=n[2]+a[4+Math.floor(e/4)%2]*r[2],d[3]=1,u&&Mo(d,d,u),t.resliceTransform&&l.transformPoint(d,d),Mo(d,d,s);const o=1/d[3];d[0]*=o,d[1]*=o,d[2]*=o;for(let e=0;e<3;++e)d[e]>c[2*e+1]&&(c[2*e+1]=d[e]),d[e]{switch(e){case"Int8Array":return{min:-128,max:127};case"Int16Array":return{min:-32768,max:32767};case"Uint16Array":return{min:0,max:65535};case"Int32Array":return{min:-2147483648,max:2147483647};case"Uint32Array":return{min:0,max:4294967295};case"Float32Array":case"Float64Array":return{min:-12e37,max:12e37};default:return{min:0,max:255}}},e.clamp=(e,t,n,r,o,i)=>{const a=r*n;for(let n=0;n{const o=r*n;for(let n=0;n{let a=i;if(n!==on.FLOAT&&n!==on.DOUBLE&&!i){const i=e.getDataTypeMinMax(t);let s=(i.min+r)*o,l=(i.max+r)*o;const u=e.getDataTypeMinMax(n),c=u.min,d=u.max;if(s>l){const e=l;l=s,s=e}a=sd}if(a&&n!==on.FLOAT&&n!==on.DOUBLE){const t=e.getDataTypeMinMax(n);return(n,r,o,i)=>e.clamp(n,r,o,i,t.min,t.max)}return e.convert},e.set=(e,t,n,r)=>{const o=n*r;for(let n=0;n(e.fill(t[0],0,r),r),e.getSetPixelsFunc=(t,n,r,o)=>1===r?e.set1:e.set,e.getCompositeFunc=(e,t)=>{let n=null;switch(e){case Yb.MIN:n=s;break;case Yb.MAX:n=l;break;case Yb.MEAN:n=t?d:u;break;case Yb.SUM:n=t?h:p}return n},e.applyTransform=(e,t,n,r)=>{t[3]=1,Mo(t,t,e),t[0]-=n[0],t[1]-=n[1],t[2]-=n[2],t[0]*=r[0],t[1]*=r[1],t[2]*=r[2]},e.rescaleScalars=(e,t,n,r,o)=>{const i=n*t;for(let t=0;t{for(let t=0;t<3;t++)if(0!==e[4*t+3])return!1;if(1!==e[15])return!1;for(let t=0;t<3;t++){let n=0;for(let r=0;r<3;r++)0!==e[4*t+r]&&n++;if(1!==n)return 0}return 1},e.isIdentityMatrix=e=>{for(let t=0;t<4;++t)for(let n=0;n<4;++n)if((t===n?1:0)!==e[4*n+t])return!1;return!0},e.isPerspectiveMatrix=e=>0!==e[3]||0!==e[7]||0!==e[11]||1!==e[15],e.canUseNearestNeighbor=(e,t)=>{for(let n=0;n<3;n++){let r;for(r=0;r<3&&0===e[4*r+n];r++);if(r>=3)return 0;let o=e[4*r+n],i=e[12+n];t[2*r]===t[2*r+1]&&(i+=o*t[2*n],o=0);const a=Pb(o).error,s=Pb(i).error;if(0!==a||0!==s)return 0}return 1}}const Zb={transformInputSampling:!0,autoCropOutput:!1,outputDimensionality:3,outputSpacing:null,outputOrigin:null,outputDirection:null,outputExtent:null,outputScalarType:null,wrap:!1,mirror:!1,border:!0,interpolationMode:Eb.NEAREST,slabMode:Yb.MIN,slabTrapezoidIntegration:!1,slabNumberOfSlices:1,slabSliceSpacingFraction:1,optimization:!1,scalarShift:0,scalarScale:1,backgroundColor:[0,0,0,0],resliceAxes:null,interpolator:Wb.newInstance(),usePermuteExecute:!1};function ex(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Zb,n),gt.obj(e,t),gt.algo(e,t,1,1),gt.setGet(e,t,["outputDimensionality","outputScalarType","scalarShift","scalarScale","transformInputSampling","autoCropOutput","wrap","mirror","border","interpolationMode","resliceTransform","slabMode","slabTrapezoidIntegration","slabNumberOfSlices","slabSliceSpacingFraction"]),gt.setGetArray(e,t,["outputOrigin","outputSpacing"],3),gt.setGetArray(e,t,["outputExtent"],6),gt.setGetArray(e,t,["outputDirection"],9),gt.setGetArray(e,t,["backgroundColor"],4),gt.get(e,t,["resliceAxes"]),gt.algo(e,t,1,1),Qb(e,t)}var tx={newInstance:gt.newInstance(ex,"vtkImageReslice"),extend:ex,...$b},nx=n(892),rx=n.n(nx),ox=n(760),ix=n.n(ox),ax=n(311),sx=n.n(ax),lx=n(192),ux=n.n(lx),cx=n(60),dx=n.n(cx),px=n(865),fx=n.n(px),hx=n(566),mx={};mx.styleTagTransform=fx(),mx.setAttributes=ux(),mx.insert=sx().bind(null,"head"),mx.domAPI=ix(),mx.insertStyleElement=dx(),rx()(hx.Z,mx),hx.Z&&hx.Z.locals&&hx.Z.locals;const gx=py.newInstance({background:[0,0,0]}),vx=gx.getRenderer(),yx=gx.getRenderWindow(),bx=by.newInstance({renderWindow:gx.getApiSpecificRenderWindow()}),xx=Cb.newInstance(),_x=tx.newInstance(),Tx=Gy.newInstance(),Sx=qy.newInstance();_x.setInputConnection(xx.getOutputPort()),Sx.setInputConnection(_x.getOutputPort()),Tx.setMapper(Sx),vx.addVolume(Tx);const wx=Tp.newInstance(),Cx=Iy.newInstance(),{fileURL:Ax="https://data.kitware.com/api/v1/item/62b38b37bddec9d0c45366e3/download"}=bh();wy.fetchBinary(Ax).then((e=>{xx.parseAsArrayBuffer(e);const t=l();E(t,Pr.radiansFromDegrees(90),[1,0,0]),_x.setResliceAxes(t);const n=_x.getOutputData(0),r=.7*Math.sqrt(n.getSpacing().map((e=>e*e)).reduce(((e,t)=>e+t),0));Sx.setSampleDistance(r/2),Cx.addPoint(-1024,0),Cx.addPoint(67.4682,0),Cx.addPoint(67.469,0),Cx.addPoint(85,.1),Cx.addPoint(85.0031,0),Cx.addPoint(200.0031,0),Cx.addPoint(200.297,.626),Cx.addPoint(408.297,.626),Cx.addPoint(3532,.556),wx.addRGBPoint(-1024,.937254,.937254,.937254),wx.addRGBPoint(4.0927,.709019,.337254,.262745),wx.addRGBPoint(98.8057,.601372,.290196,.247058),wx.addRGBPoint(100,.881,.836078,.773333),wx.addRGBPoint(1e3,.881,.836078,.773333),wx.addRGBPoint(3532,.91,.826078,.783333),Tx.getProperty().setRGBTransferFunction(0,wx),Tx.getProperty().setScalarOpacity(0,Cx),Tx.getProperty().setInterpolationTypeToLinear(),Tx.getProperty().setShade(!0),Tx.getProperty().setAmbient(.2),Tx.getProperty().setDiffuse(1.3),Tx.getProperty().setSpecular(0),Sx.setGlobalIlluminationReach(.1),Sx.setVolumetricScatteringBlending(.5),Sx.setVolumeShadowSamplingDistFactor(1),Sx.setAutoAdjustSampleDistances(!1),vx.resetCamera(),yx.render();let 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Base URL is null.");switch(o.scheme=t.scheme,U.c()){case"":o.username=t.username,o.password=t.password,o.host=t.host,o.port=t.port,o.path=l.list.clone(t.path),o.query=t.query;break;case"/":A=s.ParserState.RelativeSlash;break;case"?":o.username=t.username,o.password=t.password,o.host=t.host,o.port=t.port,o.path=l.list.clone(t.path),o.query="",A=s.ParserState.Query;break;case"#":o.username=t.username,o.password=t.password,o.host=t.host,o.port=t.port,o.path=l.list.clone(t.path),o.query=t.query,o.fragment="",A=s.ParserState.Fragment;break;default:b(o)&&"\\"===U.c()?(v("Invalid input string."),A=s.ParserState.RelativeSlash):(o.username=t.username,o.password=t.password,o.host=t.host,o.port=t.port,o.path=l.list.clone(t.path),0!==o.path.length&&o.path.splice(o.path.length-1,1),A=s.ParserState.Path,U.pointer--)}break;case s.ParserState.RelativeSlash:if(!b(o)||"/"!==U.c()&&"\\"!==U.c())if("/"===U.c())A=s.ParserState.Authority;else{if(null===t)throw new Error("Invalid parser state. Base URL is null.");o.username=t.username,o.password=t.password,o.host=t.host,o.port=t.port,A=s.ParserState.Path,U.pointer--}else"\\"===U.c()&&v("Invalid input string."),A=s.ParserState.SpecialAuthorityIgnoreSlashes;break;case s.ParserState.SpecialAuthoritySlashes:"/"===U.c()&&U.remaining().startsWith("/")?(A=s.ParserState.SpecialAuthorityIgnoreSlashes,U.pointer++):(v("Expected '//'."),A=s.ParserState.SpecialAuthorityIgnoreSlashes,U.pointer--);break;case s.ParserState.SpecialAuthorityIgnoreSlashes:"/"!==U.c()&&"\\"!==U.c()?(A=s.ParserState.Authority,U.pointer--):v("Unexpected '/' or '\\'.");break;case s.ParserState.Authority:if("@"===U.c()){v("Unexpected '@'."),k&&(F="%40"+F),k=!0;try{for(var z=(u=void 0,r(F)),j=z.next();!j.done;j=z.next()){var W=j.value;if(":"!==W||V){var H=G(W,h);V?o.password+=H:o.username+=H}else V=!0}}catch(e){u={error:e}}finally{try{j&&!j.done&&(c=z.return)&&c.call(z)}finally{if(u)throw u.error}}F=""}else if(""===U.c()||"/"===U.c()||"?"===U.c()||"#"===U.c()||b(o)&&"\\"===U.c()){if(k&&""===F)return v("Invalid input string."),null;U.pointer-=F.length+1,F="",A=s.ParserState.Host}else F+=U.c();break;case s.ParserState.Host:case s.ParserState.Hostname:if(void 0!==i&&"file"===o.scheme)U.pointer--,A=s.ParserState.FileHost;else if(":"!==U.c()||L)if(""===U.c()||"/"===U.c()||"?"===U.c()||"#"===U.c()||b(o)&&"\\"===U.c()){if(U.pointer--,b(o)&&""===F)return v("Invalid input string."),null;if(void 0!==i&&""===F&&(_(o)||null!==o.port))return v("Invalid input string."),o;if(null===(K=M(F,!b(o))))return null;if(o.host=K,F="",A=s.ParserState.PathStart,void 0!==i)return o}else"["===U.c()&&(L=!0),"]"===U.c()&&(L=!1),F+=U.c();else{if(""===F)return v("Invalid input string."),null;if(null===(K=M(F,!b(o))))return null;if(o.host=K,F="",A=s.ParserState.Port,i===s.ParserState.Hostname)return o}break;case s.ParserState.Port:if(l.codePoint.ASCIIDigit.test(U.c()))F+=U.c();else{if(!(""===U.c()||"/"===U.c()||"?"===U.c()||"#"===U.c()||b(o)&&"\\"===U.c()||i))return v("Invalid input string."),null;if(""!==F&&""!==F){var X=parseInt(F,10);if(X>Math.pow(2,16)-1)return v("Invalid port number."),null;o.port=X===x(o.scheme)?null:X,F=""}if(void 0!==i)return o;A=s.ParserState.PathStart,U.pointer--}break;case s.ParserState.File:if(o.scheme="file","/"===U.c()||"\\"===U.c())"\\"===U.c()&&v("Invalid input string."),A=s.ParserState.FileSlash;else if(null!==t&&"file"===t.scheme)switch(U.c()){case"":o.host=t.host,o.path=l.list.clone(t.path),o.query=t.query;break;case"?":o.host=t.host,o.path=l.list.clone(t.path),o.query="",A=s.ParserState.Query;break;case"#":o.host=t.host,o.path=l.list.clone(t.path),o.query=t.query,o.fragment="",A=s.ParserState.Fragment;break;default:N(U.substring())?v("Unexpected windows drive letter in input string."):(o.host=t.host,o.path=l.list.clone(t.path),I(o)),A=s.ParserState.Path,U.pointer--}else A=s.ParserState.Path,U.pointer--;break;case s.ParserState.FileSlash:"/"===U.c()||"\\"===U.c()?("\\"===U.c()&&v("Invalid input string."),A=s.ParserState.FileHost):(null===t||"file"!==t.scheme||N(U.substring())||(O(t.path[0])?o.path.push(t.path[0]):o.host=t.host),A=s.ParserState.Path,U.pointer--);break;case s.ParserState.FileHost:if(""===U.c()||"/"===U.c()||"\\"===U.c()||"?"===U.c()||"#"===U.c())if(U.pointer--,void 0===i&&P(F))v("Unexpected windows drive letter in input string."),A=s.ParserState.Path;else if(""===F){if(o.host="",void 0!==i)return o;A=s.ParserState.PathStart}else{var K;if(null===(K=M(F,!b(o))))return null;if("localhost"===K&&(K=""),o.host=K,void 0!==i)return o;F="",A=s.ParserState.PathStart}else F+=U.c();break;case s.ParserState.PathStart:b(o)?("\\"===U.c()&&v("Invalid input string."),A=s.ParserState.Path,"/"!==U.c()&&"\\"!==U.c()&&U.pointer--):void 0===i&&"?"===U.c()?(o.query="",A=s.ParserState.Query):void 0===i&&"#"===U.c()?(o.fragment="",A=s.ParserState.Fragment):""!==U.c()&&(A=s.ParserState.Path,"/"!==U.c()&&U.pointer--);break;case s.ParserState.Path:if(""===U.c()||"/"===U.c()||b(o)&&"\\"===U.c()||void 0===i&&("?"===U.c()||"#"===U.c())){if(b(o)&&"\\"===U.c()&&v("Invalid input string."),D(F))I(o),"/"===U.c()||b(o)&&"\\"===U.c()||o.path.push("");else if(!E(F)||"/"===U.c()||b(o)&&"\\"===U.c()){if(!E(F)){if("file"===o.scheme&&0===o.path.length&&P(F)){null!==o.host&&""!==o.host&&(v("Invalid input string."),o.host="");var q=Array.from(F);F=q.slice(0,1)+":"+q.slice(2)}o.path.push(F)}}else o.path.push("");if(F="","file"===o.scheme&&(""===U.c()||"?"===U.c()||"#"===U.c()))for(;o.path.length>1&&""===o.path[0];)v("Invalid input string."),o.path.splice(0,1);"?"===U.c()&&(o.query="",A=s.ParserState.Query),"#"===U.c()&&(o.fragment="",A=s.ParserState.Fragment)}else m.test(U.c())||"%"===U.c()||v("Character is not a URL code point or a percent 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t=e.toLowerCase();return".."===t||".%2e"===t||"%2e."===t||"%2e%2e"===t}function I(e){var t=e.path;0!==t.length&&("file"===e.scheme&&1===t.length&&O(t[0])||e.path.splice(e.path.length-1,1))}function O(e){return e.length>=2&&l.codePoint.ASCIIAlpha.test(e[0])&&":"===e[1]}function P(e){return e.length>=2&&l.codePoint.ASCIIAlpha.test(e[0])&&(":"===e[1]||"|"===e[1])}function N(e){return e.length>=2&&P(e)&&(2===e.length||"/"===e[2]||"\\"===e[2]||"?"===e[2]||"#"===e[2])}function M(e,t){if(void 0===t&&(t=!1),e.startsWith("["))return e.endsWith("]")?k(e.substring(1,e.length-1)):(v("Expected ']' after '['."),null);if(t)return L(e);var n=W(a.utf8Decode(U(e)));if(null===n)return v("Invalid domain."),null;if(g.test(n))return v("Invalid domain."),null;var r=F(n);return null===r||a.isNumber(r)?r:n}function R(e,t){void 0===t&&(t={value:!1});var n=10;return e.startsWith("0x")||e.startsWith("0X")?(t.value=!0,e=e.substr(2),n=16):e.length>=2&&"0"===e[0]&&(t.value=!0,e=e.substr(1),n=8),""===e?0:(10===n?/^[0-9]+$/:16===n?/^[0-9A-Fa-f]+$/:/^[0-7]+$/).test(e)?parseInt(e,n):null}function F(e){var t,n,o,i,a={value:!1},s=e.split(".");if(""===s[s.length-1]&&(a.value=!0,s.length>1&&s.pop()),s.length>4)return e;var l=[];try{for(var u=r(s),c=u.next();!c.done;c=u.next()){var d=c.value;if(""===d)return e;if(null===(y=R(d,a)))return e;l.push(y)}}catch(e){t={error:e}}finally{try{c&&!c.done&&(n=u.return)&&n.call(u)}finally{if(t)throw t.error}}a.value&&v("Invalid IP v4 address.");for(var p=0;p255&&(v("Invalid IP v4 address."),p=Math.pow(256,5-l.length))return v("Invalid IP v4 address."),null;var f=l[l.length-1];l.pop();var h=0;try{for(var m=r(l),g=m.next();!g.done;g=m.next()){var y;f+=(y=g.value)*Math.pow(256,3-h),h++}}catch(e){o={error:e}}finally{try{g&&!g.done&&(i=m.return)&&i.call(m)}finally{if(o)throw o.error}}return f}function k(e){var 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r=n(2);t.ArrayExpression=function(e){this.type=r.Syntax.ArrayExpression,this.elements=e};t.ArrayPattern=function(e){this.type=r.Syntax.ArrayPattern,this.elements=e};t.ArrowFunctionExpression=function(e,t,n){this.type=r.Syntax.ArrowFunctionExpression,this.id=null,this.params=e,this.body=t,this.generator=!1,this.expression=n,this.async=!1};t.AssignmentExpression=function(e,t,n){this.type=r.Syntax.AssignmentExpression,this.operator=e,this.left=t,this.right=n};t.AssignmentPattern=function(e,t){this.type=r.Syntax.AssignmentPattern,this.left=e,this.right=t};t.AsyncArrowFunctionExpression=function(e,t,n){this.type=r.Syntax.ArrowFunctionExpression,this.id=null,this.params=e,this.body=t,this.generator=!1,this.expression=n,this.async=!0};t.AsyncFunctionDeclaration=function(e,t,n){this.type=r.Syntax.FunctionDeclaration,this.id=e,this.params=t,this.body=n,this.generator=!1,this.expression=!1,this.async=!0};t.AsyncFunctionExpression=function(e,t,n){this.type=r.Syntax.FunctionExpression,this.id=e,this.params=t,this.body=n,this.generator=!1,this.expression=!1,this.async=!0};t.AwaitExpression=function(e){this.type=r.Syntax.AwaitExpression,this.argument=e};t.BinaryExpression=function(e,t,n){var o="||"===e||"&&"===e;this.type=o?r.Syntax.LogicalExpression:r.Syntax.BinaryExpression,this.operator=e,this.left=t,this.right=n};t.BlockStatement=function(e){this.type=r.Syntax.BlockStatement,this.body=e};t.BreakStatement=function(e){this.type=r.Syntax.BreakStatement,this.label=e};t.CallExpression=function(e,t){this.type=r.Syntax.CallExpression,this.callee=e,this.arguments=t};t.CatchClause=function(e,t){this.type=r.Syntax.CatchClause,this.param=e,this.body=t};t.ClassBody=function(e){this.type=r.Syntax.ClassBody,this.body=e};t.ClassDeclaration=function(e,t,n){this.type=r.Syntax.ClassDeclaration,this.id=e,this.superClass=t,this.body=n};t.ClassExpression=function(e,t,n){this.type=r.Syntax.ClassExpression,this.id=e,this.superClass=t,this.body=n};t.ComputedMemberExpression=function(e,t){this.type=r.Syntax.MemberExpression,this.computed=!0,this.object=e,this.property=t};t.ConditionalExpression=function(e,t,n){this.type=r.Syntax.ConditionalExpression,this.test=e,this.consequent=t,this.alternate=n};t.ContinueStatement=function(e){this.type=r.Syntax.ContinueStatement,this.label=e};t.DebuggerStatement=function(){this.type=r.Syntax.DebuggerStatement};t.Directive=function(e,t){this.type=r.Syntax.ExpressionStatement,this.expression=e,this.directive=t};t.DoWhileStatement=function(e,t){this.type=r.Syntax.DoWhileStatement,this.body=e,this.test=t};t.EmptyStatement=function(){this.type=r.Syntax.EmptyStatement};t.ExportAllDeclaration=function(e){this.type=r.Syntax.ExportAllDeclaration,this.source=e};t.ExportDefaultDeclaration=function(e){this.type=r.Syntax.ExportDefaultDeclaration,this.declaration=e};t.ExportNamedDeclaration=function(e,t,n){this.type=r.Syntax.ExportNamedDeclaration,this.declaration=e,this.specifiers=t,this.source=n};t.ExportSpecifier=function(e,t){this.type=r.Syntax.ExportSpecifier,this.exported=t,this.local=e};t.ExpressionStatement=function(e){this.type=r.Syntax.ExpressionStatement,this.expression=e};t.ForInStatement=function(e,t,n){this.type=r.Syntax.ForInStatement,this.left=e,this.right=t,this.body=n,this.each=!1};t.ForOfStatement=function(e,t,n){this.type=r.Syntax.ForOfStatement,this.left=e,this.right=t,this.body=n};t.ForStatement=function(e,t,n,o){this.type=r.Syntax.ForStatement,this.init=e,this.test=t,this.update=n,this.body=o};t.FunctionDeclaration=function(e,t,n,o){this.type=r.Syntax.FunctionDeclaration,this.id=e,this.params=t,this.body=n,this.generator=o,this.expression=!1,this.async=!1};t.FunctionExpression=function(e,t,n,o){this.type=r.Syntax.FunctionExpression,this.id=e,this.params=t,this.body=n,this.generator=o,this.expression=!1,this.async=!1};t.Identifier=function(e){this.type=r.Syntax.Identifier,this.name=e};t.IfStatement=function(e,t,n){this.type=r.Syntax.IfStatement,this.test=e,this.consequent=t,this.alternate=n};t.ImportDeclaration=function(e,t){this.type=r.Syntax.ImportDeclaration,this.specifiers=e,this.source=t};t.ImportDefaultSpecifier=function(e){this.type=r.Syntax.ImportDefaultSpecifier,this.local=e};t.ImportNamespaceSpecifier=function(e){this.type=r.Syntax.ImportNamespaceSpecifier,this.local=e};t.ImportSpecifier=function(e,t){this.type=r.Syntax.ImportSpecifier,this.local=e,this.imported=t};t.LabeledStatement=function(e,t){this.type=r.Syntax.LabeledStatement,this.label=e,this.body=t};t.Literal=function(e,t){this.type=r.Syntax.Literal,this.value=e,this.raw=t};t.MetaProperty=function(e,t){this.type=r.Syntax.MetaProperty,this.meta=e,this.property=t};t.MethodDefinition=function(e,t,n,o,i){this.type=r.Syntax.MethodDefinition,this.key=e,this.computed=t,this.value=n,this.kind=o,this.static=i};t.Module=function(e){this.type=r.Syntax.Program,this.body=e,this.sourceType="module"};t.NewExpression=function(e,t){this.type=r.Syntax.NewExpression,this.callee=e,this.arguments=t};t.ObjectExpression=function(e){this.type=r.Syntax.ObjectExpression,this.properties=e};t.ObjectPattern=function(e){this.type=r.Syntax.ObjectPattern,this.properties=e};t.Property=function(e,t,n,o,i,a){this.type=r.Syntax.Property,this.key=t,this.computed=n,this.value=o,this.kind=e,this.method=i,this.shorthand=a};t.RegexLiteral=function(e,t,n,o){this.type=r.Syntax.Literal,this.value=e,this.raw=t,this.regex={pattern:n,flags:o}};t.RestElement=function(e){this.type=r.Syntax.RestElement,this.argument=e};t.ReturnStatement=function(e){this.type=r.Syntax.ReturnStatement,this.argument=e};t.Script=function(e){this.type=r.Syntax.Program,this.body=e,this.sourceType="script"};t.SequenceExpression=function(e){this.type=r.Syntax.SequenceExpression,this.expressions=e};t.SpreadElement=function(e){this.type=r.Syntax.SpreadElement,this.argument=e};t.StaticMemberExpression=function(e,t){this.type=r.Syntax.MemberExpression,this.computed=!1,this.object=e,this.property=t};t.Super=function(){this.type=r.Syntax.Super};t.SwitchCase=function(e,t){this.type=r.Syntax.SwitchCase,this.test=e,this.consequent=t};t.SwitchStatement=function(e,t){this.type=r.Syntax.SwitchStatement,this.discriminant=e,this.cases=t};t.TaggedTemplateExpression=function(e,t){this.type=r.Syntax.TaggedTemplateExpression,this.tag=e,this.quasi=t};t.TemplateElement=function(e,t){this.type=r.Syntax.TemplateElement,this.value=e,this.tail=t};t.TemplateLiteral=function(e,t){this.type=r.Syntax.TemplateLiteral,this.quasis=e,this.expressions=t};t.ThisExpression=function(){this.type=r.Syntax.ThisExpression};t.ThrowStatement=function(e){this.type=r.Syntax.ThrowStatement,this.argument=e};t.TryStatement=function(e,t,n){this.type=r.Syntax.TryStatement,this.block=e,this.handler=t,this.finalizer=n};t.UnaryExpression=function(e,t){this.type=r.Syntax.UnaryExpression,this.operator=e,this.argument=t,this.prefix=!0};t.UpdateExpression=function(e,t,n){this.type=r.Syntax.UpdateExpression,this.operator=e,this.argument=t,this.prefix=n};t.VariableDeclaration=function(e,t){this.type=r.Syntax.VariableDeclaration,this.declarations=e,this.kind=t};t.VariableDeclarator=function(e,t){this.type=r.Syntax.VariableDeclarator,this.id=e,this.init=t};t.WhileStatement=function(e,t){this.type=r.Syntax.WhileStatement,this.test=e,this.body=t};t.WithStatement=function(e,t){this.type=r.Syntax.WithStatement,this.object=e,this.body=t};t.YieldExpression=function(e,t){this.type=r.Syntax.YieldExpression,this.argument=e,this.delegate=t}},function(e,t,n){"use 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s.Scanner(e,this.errorHandler),this.scanner.trackComment=this.config.comment,this.operatorPrecedence={")":0,";":0,",":0,"=":0,"]":0,"||":1,"&&":2,"|":3,"^":4,"&":5,"==":6,"!=":6,"===":6,"!==":6,"<":7,">":7,"<=":7,">=":7,"<<":8,">>":8,">>>":8,"+":9,"-":9,"*":11,"/":11,"%":11},this.lookahead={type:2,value:"",lineNumber:this.scanner.lineNumber,lineStart:0,start:0,end:0},this.hasLineTerminator=!1,this.context={isModule:!1,await:!1,allowIn:!0,allowStrictDirective:!0,allowYield:!0,firstCoverInitializedNameError:null,isAssignmentTarget:!1,isBindingElement:!1,inFunctionBody:!1,inIteration:!1,inSwitch:!1,labelSet:{},strict:!1},this.tokens=[],this.startMarker={index:0,line:this.scanner.lineNumber,column:0},this.lastMarker={index:0,line:this.scanner.lineNumber,column:0},this.nextToken(),this.lastMarker={index:this.scanner.index,line:this.scanner.lineNumber,column:this.scanner.index-this.scanner.lineStart}}return e.prototype.throwError=function(e){for(var t=[],n=1;n0&&this.delegate)for(var t=0;t>="===e||">>>="===e||"&="===e||"^="===e||"|="===e},e.prototype.isolateCoverGrammar=function(e){var t=this.context.isBindingElement,n=this.context.isAssignmentTarget,r=this.context.firstCoverInitializedNameError;this.context.isBindingElement=!0,this.context.isAssignmentTarget=!0,this.context.firstCoverInitializedNameError=null;var o=e.call(this);return null!==this.context.firstCoverInitializedNameError&&this.throwUnexpectedToken(this.context.firstCoverInitializedNameError),this.context.isBindingElement=t,this.context.isAssignmentTarget=n,this.context.firstCoverInitializedNameError=r,o},e.prototype.inheritCoverGrammar=function(e){var t=this.context.isBindingElement,n=this.context.isAssignmentTarget,r=this.context.firstCoverInitializedNameError;this.context.isBindingElement=!0,this.context.isAssignmentTarget=!0,this.context.firstCoverInitializedNameError=null;var o=e.call(this);return this.context.isBindingElement=this.context.isBindingElement&&t,this.context.isAssignmentTarget=this.context.isAssignmentTarget&&n,this.context.firstCoverInitializedNameError=r||this.context.firstCoverInitializedNameError,o},e.prototype.consumeSemicolon=function(){this.match(";")?this.nextToken():this.hasLineTerminator||(2===this.lookahead.type||this.match("}")||this.throwUnexpectedToken(this.lookahead),this.lastMarker.index=this.startMarker.index,this.lastMarker.line=this.startMarker.line,this.lastMarker.column=this.startMarker.column)},e.prototype.parsePrimaryExpression=function(){var e,t,n,r=this.createNode();switch(this.lookahead.type){case 3:(this.context.isModule||this.context.await)&&"await"===this.lookahead.value&&this.tolerateUnexpectedToken(this.lookahead),e=this.matchAsyncFunction()?this.parseFunctionExpression():this.finalize(r,new a.Identifier(this.nextToken().value));break;case 6:case 8:this.context.strict&&this.lookahead.octal&&this.tolerateUnexpectedToken(this.lookahead,i.Messages.StrictOctalLiteral),this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,t=this.nextToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.Literal(t.value,n));break;case 1:this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,t=this.nextToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.Literal("true"===t.value,n));break;case 5:this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,t=this.nextToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.Literal(null,n));break;case 10:e=this.parseTemplateLiteral();break;case 7:switch(this.lookahead.value){case"(":this.context.isBindingElement=!1,e=this.inheritCoverGrammar(this.parseGroupExpression);break;case"[":e=this.inheritCoverGrammar(this.parseArrayInitializer);break;case"{":e=this.inheritCoverGrammar(this.parseObjectInitializer);break;case"/":case"/=":this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,this.scanner.index=this.startMarker.index,t=this.nextRegexToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.RegexLiteral(t.regex,n,t.pattern,t.flags));break;default:e=this.throwUnexpectedToken(this.nextToken())}break;case 4:!this.context.strict&&this.context.allowYield&&this.matchKeyword("yield")?e=this.parseIdentifierName():!this.context.strict&&this.matchKeyword("let")?e=this.finalize(r,new a.Identifier(this.nextToken().value)):(this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,this.matchKeyword("function")?e=this.parseFunctionExpression():this.matchKeyword("this")?(this.nextToken(),e=this.finalize(r,new a.ThisExpression)):e=this.matchKeyword("class")?this.parseClassExpression():this.throwUnexpectedToken(this.nextToken()));break;default:e=this.throwUnexpectedToken(this.nextToken())}return e},e.prototype.parseSpreadElement=function(){var e=this.createNode();this.expect("...");var t=this.inheritCoverGrammar(this.parseAssignmentExpression);return this.finalize(e,new a.SpreadElement(t))},e.prototype.parseArrayInitializer=function(){var e=this.createNode(),t=[];for(this.expect("[");!this.match("]");)if(this.match(","))this.nextToken(),t.push(null);else if(this.match("...")){var n=this.parseSpreadElement();this.match("]")||(this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,this.expect(",")),t.push(n)}else t.push(this.inheritCoverGrammar(this.parseAssignmentExpression)),this.match("]")||this.expect(",");return this.expect("]"),this.finalize(e,new a.ArrayExpression(t))},e.prototype.parsePropertyMethod=function(e){this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1;var t=this.context.strict,n=this.context.allowStrictDirective;this.context.allowStrictDirective=e.simple;var r=this.isolateCoverGrammar(this.parseFunctionSourceElements);return this.context.strict&&e.firstRestricted&&this.tolerateUnexpectedToken(e.firstRestricted,e.message),this.context.strict&&e.stricted&&this.tolerateUnexpectedToken(e.stricted,e.message),this.context.strict=t,this.context.allowStrictDirective=n,r},e.prototype.parsePropertyMethodFunction=function(){var e=this.createNode(),t=this.context.allowYield;this.context.allowYield=!0;var n=this.parseFormalParameters(),r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!1))},e.prototype.parsePropertyMethodAsyncFunction=function(){var e=this.createNode(),t=this.context.allowYield,n=this.context.await;this.context.allowYield=!1,this.context.await=!0;var r=this.parseFormalParameters(),o=this.parsePropertyMethod(r);return this.context.allowYield=t,this.context.await=n,this.finalize(e,new a.AsyncFunctionExpression(null,r.params,o))},e.prototype.parseObjectPropertyKey=function(){var e,t=this.createNode(),n=this.nextToken();switch(n.type){case 8:case 6:this.context.strict&&n.octal&&this.tolerateUnexpectedToken(n,i.Messages.StrictOctalLiteral);var r=this.getTokenRaw(n);e=this.finalize(t,new a.Literal(n.value,r));break;case 3:case 1:case 5:case 4:e=this.finalize(t,new a.Identifier(n.value));break;case 7:"["===n.value?(e=this.isolateCoverGrammar(this.parseAssignmentExpression),this.expect("]")):e=this.throwUnexpectedToken(n);break;default:e=this.throwUnexpectedToken(n)}return e},e.prototype.isPropertyKey=function(e,t){return e.type===l.Syntax.Identifier&&e.name===t||e.type===l.Syntax.Literal&&e.value===t},e.prototype.parseObjectProperty=function(e){var t,n=this.createNode(),r=this.lookahead,o=null,s=null,l=!1,u=!1,c=!1,d=!1;if(3===r.type){var p=r.value;this.nextToken(),l=this.match("["),o=(d=!(this.hasLineTerminator||"async"!==p||this.match(":")||this.match("(")||this.match("*")||this.match(",")))?this.parseObjectPropertyKey():this.finalize(n,new a.Identifier(p))}else this.match("*")?this.nextToken():(l=this.match("["),o=this.parseObjectPropertyKey());var f=this.qualifiedPropertyName(this.lookahead);if(3===r.type&&!d&&"get"===r.value&&f)t="get",l=this.match("["),o=this.parseObjectPropertyKey(),this.context.allowYield=!1,s=this.parseGetterMethod();else if(3===r.type&&!d&&"set"===r.value&&f)t="set",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseSetterMethod();else if(7===r.type&&"*"===r.value&&f)t="init",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseGeneratorMethod(),u=!0;else if(o||this.throwUnexpectedToken(this.lookahead),t="init",this.match(":")&&!d)!l&&this.isPropertyKey(o,"__proto__")&&(e.value&&this.tolerateError(i.Messages.DuplicateProtoProperty),e.value=!0),this.nextToken(),s=this.inheritCoverGrammar(this.parseAssignmentExpression);else if(this.match("("))s=d?this.parsePropertyMethodAsyncFunction():this.parsePropertyMethodFunction(),u=!0;else if(3===r.type)if(p=this.finalize(n,new a.Identifier(r.value)),this.match("=")){this.context.firstCoverInitializedNameError=this.lookahead,this.nextToken(),c=!0;var h=this.isolateCoverGrammar(this.parseAssignmentExpression);s=this.finalize(n,new a.AssignmentPattern(p,h))}else c=!0,s=p;else this.throwUnexpectedToken(this.nextToken());return this.finalize(n,new a.Property(t,o,l,s,u,c))},e.prototype.parseObjectInitializer=function(){var e=this.createNode();this.expect("{");for(var t=[],n={value:!1};!this.match("}");)t.push(this.parseObjectProperty(n)),this.match("}")||this.expectCommaSeparator();return this.expect("}"),this.finalize(e,new a.ObjectExpression(t))},e.prototype.parseTemplateHead=function(){r.assert(this.lookahead.head,"Template literal must start with a template head");var e=this.createNode(),t=this.nextToken(),n=t.value,o=t.cooked;return this.finalize(e,new a.TemplateElement({raw:n,cooked:o},t.tail))},e.prototype.parseTemplateElement=function(){10!==this.lookahead.type&&this.throwUnexpectedToken();var e=this.createNode(),t=this.nextToken(),n=t.value,r=t.cooked;return this.finalize(e,new a.TemplateElement({raw:n,cooked:r},t.tail))},e.prototype.parseTemplateLiteral=function(){var e=this.createNode(),t=[],n=[],r=this.parseTemplateHead();for(n.push(r);!r.tail;)t.push(this.parseExpression()),r=this.parseTemplateElement(),n.push(r);return this.finalize(e,new a.TemplateLiteral(n,t))},e.prototype.reinterpretExpressionAsPattern=function(e){switch(e.type){case l.Syntax.Identifier:case l.Syntax.MemberExpression:case l.Syntax.RestElement:case l.Syntax.AssignmentPattern:break;case l.Syntax.SpreadElement:e.type=l.Syntax.RestElement,this.reinterpretExpressionAsPattern(e.argument);break;case l.Syntax.ArrayExpression:e.type=l.Syntax.ArrayPattern;for(var t=0;t")||this.expect("=>"),e={type:"ArrowParameterPlaceHolder",params:[],async:!1};else{var t=this.lookahead,n=[];if(this.match("..."))e=this.parseRestElement(n),this.expect(")"),this.match("=>")||this.expect("=>"),e={type:"ArrowParameterPlaceHolder",params:[e],async:!1};else{var r=!1;if(this.context.isBindingElement=!0,e=this.inheritCoverGrammar(this.parseAssignmentExpression),this.match(",")){var o=[];for(this.context.isAssignmentTarget=!1,o.push(e);2!==this.lookahead.type&&this.match(",");){if(this.nextToken(),this.match(")")){this.nextToken();for(var i=0;i")||this.expect("=>"),this.context.isBindingElement=!1,i=0;i")&&(e.type===l.Syntax.Identifier&&"yield"===e.name&&(r=!0,e={type:"ArrowParameterPlaceHolder",params:[e],async:!1}),!r)){if(this.context.isBindingElement||this.throwUnexpectedToken(this.lookahead),e.type===l.Syntax.SequenceExpression)for(i=0;i")){for(var l=0;l0){this.nextToken(),this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1;for(var o=[e,this.lookahead],i=t,s=this.isolateCoverGrammar(this.parseExponentiationExpression),l=[i,n.value,s],u=[r];!((r=this.binaryPrecedence(this.lookahead))<=0);){for(;l.length>2&&r<=u[u.length-1];){s=l.pop();var c=l.pop();u.pop(),i=l.pop(),o.pop();var d=this.startNode(o[o.length-1]);l.push(this.finalize(d,new a.BinaryExpression(c,i,s)))}l.push(this.nextToken().value),u.push(r),o.push(this.lookahead),l.push(this.isolateCoverGrammar(this.parseExponentiationExpression))}var p=l.length-1;t=l[p];for(var f=o.pop();p>1;){var h=o.pop(),m=f&&f.lineStart;d=this.startNode(h,m),c=l[p-1],t=this.finalize(d,new a.BinaryExpression(c,l[p-2],t)),p-=2,f=h}}return t},e.prototype.parseConditionalExpression=function(){var e=this.lookahead,t=this.inheritCoverGrammar(this.parseBinaryExpression);if(this.match("?")){this.nextToken();var n=this.context.allowIn;this.context.allowIn=!0;var r=this.isolateCoverGrammar(this.parseAssignmentExpression);this.context.allowIn=n,this.expect(":");var o=this.isolateCoverGrammar(this.parseAssignmentExpression);t=this.finalize(this.startNode(e),new a.ConditionalExpression(t,r,o)),this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1}return t},e.prototype.checkPatternParam=function(e,t){switch(t.type){case l.Syntax.Identifier:this.validateParam(e,t,t.name);break;case l.Syntax.RestElement:this.checkPatternParam(e,t.argument);break;case l.Syntax.AssignmentPattern:this.checkPatternParam(e,t.left);break;case l.Syntax.ArrayPattern:for(var n=0;n")){this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1;var o=e.async,s=this.reinterpretAsCoverFormalsList(e);if(s){this.hasLineTerminator&&this.tolerateUnexpectedToken(this.lookahead),this.context.firstCoverInitializedNameError=null;var u=this.context.strict,c=this.context.allowStrictDirective;this.context.allowStrictDirective=s.simple;var d=this.context.allowYield,p=this.context.await;this.context.allowYield=!0,this.context.await=o;var f=this.startNode(t);this.expect("=>");var h=void 0;if(this.match("{")){var m=this.context.allowIn;this.context.allowIn=!0,h=this.parseFunctionSourceElements(),this.context.allowIn=m}else h=this.isolateCoverGrammar(this.parseAssignmentExpression);var g=h.type!==l.Syntax.BlockStatement;this.context.strict&&s.firstRestricted&&this.throwUnexpectedToken(s.firstRestricted,s.message),this.context.strict&&s.stricted&&this.tolerateUnexpectedToken(s.stricted,s.message),e=o?this.finalize(f,new a.AsyncArrowFunctionExpression(s.params,h,g)):this.finalize(f,new a.ArrowFunctionExpression(s.params,h,g)),this.context.strict=u,this.context.allowStrictDirective=c,this.context.allowYield=d,this.context.await=p}}else if(this.matchAssign()){if(this.context.isAssignmentTarget||this.tolerateError(i.Messages.InvalidLHSInAssignment),this.context.strict&&e.type===l.Syntax.Identifier){var v=e;this.scanner.isRestrictedWord(v.name)&&this.tolerateUnexpectedToken(n,i.Messages.StrictLHSAssignment),this.scanner.isStrictModeReservedWord(v.name)&&this.tolerateUnexpectedToken(n,i.Messages.StrictReservedWord)}this.match("=")?this.reinterpretExpressionAsPattern(e):(this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1);var y=(n=this.nextToken()).value,b=this.isolateCoverGrammar(this.parseAssignmentExpression);e=this.finalize(this.startNode(t),new a.AssignmentExpression(y,e,b)),this.context.firstCoverInitializedNameError=null}}return e},e.prototype.parseExpression=function(){var e=this.lookahead,t=this.isolateCoverGrammar(this.parseAssignmentExpression);if(this.match(",")){var n=[];for(n.push(t);2!==this.lookahead.type&&this.match(",");)this.nextToken(),n.push(this.isolateCoverGrammar(this.parseAssignmentExpression));t=this.finalize(this.startNode(e),new a.SequenceExpression(n))}return t},e.prototype.parseStatementListItem=function(){var e;if(this.context.isAssignmentTarget=!0,this.context.isBindingElement=!0,4===this.lookahead.type)switch(this.lookahead.value){case"export":this.context.isModule||this.tolerateUnexpectedToken(this.lookahead,i.Messages.IllegalExportDeclaration),e=this.parseExportDeclaration();break;case"import":this.context.isModule||this.tolerateUnexpectedToken(this.lookahead,i.Messages.IllegalImportDeclaration),e=this.parseImportDeclaration();break;case"const":e=this.parseLexicalDeclaration({inFor:!1});break;case"function":e=this.parseFunctionDeclaration();break;case"class":e=this.parseClassDeclaration();break;case"let":e=this.isLexicalDeclaration()?this.parseLexicalDeclaration({inFor:!1}):this.parseStatement();break;default:e=this.parseStatement()}else e=this.parseStatement();return e},e.prototype.parseBlock=function(){var e=this.createNode();this.expect("{");for(var t=[];!this.match("}");)t.push(this.parseStatementListItem());return this.expect("}"),this.finalize(e,new a.BlockStatement(t))},e.prototype.parseLexicalBinding=function(e,t){var n=this.createNode(),r=this.parsePattern([],e);this.context.strict&&r.type===l.Syntax.Identifier&&this.scanner.isRestrictedWord(r.name)&&this.tolerateError(i.Messages.StrictVarName);var o=null;return"const"===e?this.matchKeyword("in")||this.matchContextualKeyword("of")||(this.match("=")?(this.nextToken(),o=this.isolateCoverGrammar(this.parseAssignmentExpression)):this.throwError(i.Messages.DeclarationMissingInitializer,"const")):(!t.inFor&&r.type!==l.Syntax.Identifier||this.match("="))&&(this.expect("="),o=this.isolateCoverGrammar(this.parseAssignmentExpression)),this.finalize(n,new a.VariableDeclarator(r,o))},e.prototype.parseBindingList=function(e,t){for(var n=[this.parseLexicalBinding(e,t)];this.match(",");)this.nextToken(),n.push(this.parseLexicalBinding(e,t));return n},e.prototype.isLexicalDeclaration=function(){var e=this.scanner.saveState();this.scanner.scanComments();var t=this.scanner.lex();return this.scanner.restoreState(e),3===t.type||7===t.type&&"["===t.value||7===t.type&&"{"===t.value||4===t.type&&"let"===t.value||4===t.type&&"yield"===t.value},e.prototype.parseLexicalDeclaration=function(e){var t=this.createNode(),n=this.nextToken().value;r.assert("let"===n||"const"===n,"Lexical declaration must be either let or const");var o=this.parseBindingList(n,e);return this.consumeSemicolon(),this.finalize(t,new a.VariableDeclaration(o,n))},e.prototype.parseBindingRestElement=function(e,t){var n=this.createNode();this.expect("...");var r=this.parsePattern(e,t);return this.finalize(n,new a.RestElement(r))},e.prototype.parseArrayPattern=function(e,t){var n=this.createNode();this.expect("[");for(var r=[];!this.match("]");)if(this.match(","))this.nextToken(),r.push(null);else{if(this.match("...")){r.push(this.parseBindingRestElement(e,t));break}r.push(this.parsePatternWithDefault(e,t)),this.match("]")||this.expect(",")}return this.expect("]"),this.finalize(n,new a.ArrayPattern(r))},e.prototype.parsePropertyPattern=function(e,t){var n,r,o=this.createNode(),i=!1,s=!1;if(3===this.lookahead.type){var l=this.lookahead;n=this.parseVariableIdentifier();var u=this.finalize(o,new a.Identifier(l.value));if(this.match("=")){e.push(l),s=!0,this.nextToken();var c=this.parseAssignmentExpression();r=this.finalize(this.startNode(l),new a.AssignmentPattern(u,c))}else this.match(":")?(this.expect(":"),r=this.parsePatternWithDefault(e,t)):(e.push(l),s=!0,r=u)}else i=this.match("["),n=this.parseObjectPropertyKey(),this.expect(":"),r=this.parsePatternWithDefault(e,t);return this.finalize(o,new a.Property("init",n,i,r,!1,s))},e.prototype.parseObjectPattern=function(e,t){var n=this.createNode(),r=[];for(this.expect("{");!this.match("}");)r.push(this.parsePropertyPattern(e,t)),this.match("}")||this.expect(",");return this.expect("}"),this.finalize(n,new a.ObjectPattern(r))},e.prototype.parsePattern=function(e,t){var n;return this.match("[")?n=this.parseArrayPattern(e,t):this.match("{")?n=this.parseObjectPattern(e,t):(!this.matchKeyword("let")||"const"!==t&&"let"!==t||this.tolerateUnexpectedToken(this.lookahead,i.Messages.LetInLexicalBinding),e.push(this.lookahead),n=this.parseVariableIdentifier(t)),n},e.prototype.parsePatternWithDefault=function(e,t){var n=this.lookahead,r=this.parsePattern(e,t);if(this.match("=")){this.nextToken();var o=this.context.allowYield;this.context.allowYield=!0;var i=this.isolateCoverGrammar(this.parseAssignmentExpression);this.context.allowYield=o,r=this.finalize(this.startNode(n),new a.AssignmentPattern(r,i))}return r},e.prototype.parseVariableIdentifier=function(e){var t=this.createNode(),n=this.nextToken();return 4===n.type&&"yield"===n.value?this.context.strict?this.tolerateUnexpectedToken(n,i.Messages.StrictReservedWord):this.context.allowYield||this.throwUnexpectedToken(n):3!==n.type?this.context.strict&&4===n.type&&this.scanner.isStrictModeReservedWord(n.value)?this.tolerateUnexpectedToken(n,i.Messages.StrictReservedWord):(this.context.strict||"let"!==n.value||"var"!==e)&&this.throwUnexpectedToken(n):(this.context.isModule||this.context.await)&&3===n.type&&"await"===n.value&&this.tolerateUnexpectedToken(n),this.finalize(t,new a.Identifier(n.value))},e.prototype.parseVariableDeclaration=function(e){var t=this.createNode(),n=this.parsePattern([],"var");this.context.strict&&n.type===l.Syntax.Identifier&&this.scanner.isRestrictedWord(n.name)&&this.tolerateError(i.Messages.StrictVarName);var r=null;return this.match("=")?(this.nextToken(),r=this.isolateCoverGrammar(this.parseAssignmentExpression)):n.type===l.Syntax.Identifier||e.inFor||this.expect("="),this.finalize(t,new a.VariableDeclarator(n,r))},e.prototype.parseVariableDeclarationList=function(e){var t={inFor:e.inFor},n=[];for(n.push(this.parseVariableDeclaration(t));this.match(",");)this.nextToken(),n.push(this.parseVariableDeclaration(t));return n},e.prototype.parseVariableStatement=function(){var e=this.createNode();this.expectKeyword("var");var t=this.parseVariableDeclarationList({inFor:!1});return this.consumeSemicolon(),this.finalize(e,new a.VariableDeclaration(t,"var"))},e.prototype.parseEmptyStatement=function(){var e=this.createNode();return this.expect(";"),this.finalize(e,new a.EmptyStatement)},e.prototype.parseExpressionStatement=function(){var e=this.createNode(),t=this.parseExpression();return this.consumeSemicolon(),this.finalize(e,new a.ExpressionStatement(t))},e.prototype.parseIfClause=function(){return this.context.strict&&this.matchKeyword("function")&&this.tolerateError(i.Messages.StrictFunction),this.parseStatement()},e.prototype.parseIfStatement=function(){var e,t=this.createNode(),n=null;this.expectKeyword("if"),this.expect("(");var r=this.parseExpression();return!this.match(")")&&this.config.tolerant?(this.tolerateUnexpectedToken(this.nextToken()),e=this.finalize(this.createNode(),new a.EmptyStatement)):(this.expect(")"),e=this.parseIfClause(),this.matchKeyword("else")&&(this.nextToken(),n=this.parseIfClause())),this.finalize(t,new a.IfStatement(r,e,n))},e.prototype.parseDoWhileStatement=function(){var e=this.createNode();this.expectKeyword("do");var t=this.context.inIteration;this.context.inIteration=!0;var n=this.parseStatement();this.context.inIteration=t,this.expectKeyword("while"),this.expect("(");var r=this.parseExpression();return!this.match(")")&&this.config.tolerant?this.tolerateUnexpectedToken(this.nextToken()):(this.expect(")"),this.match(";")&&this.nextToken()),this.finalize(e,new a.DoWhileStatement(n,r))},e.prototype.parseWhileStatement=function(){var e,t=this.createNode();this.expectKeyword("while"),this.expect("(");var n=this.parseExpression();if(!this.match(")")&&this.config.tolerant)this.tolerateUnexpectedToken(this.nextToken()),e=this.finalize(this.createNode(),new a.EmptyStatement);else{this.expect(")");var r=this.context.inIteration;this.context.inIteration=!0,e=this.parseStatement(),this.context.inIteration=r}return this.finalize(t,new a.WhileStatement(n,e))},e.prototype.parseForStatement=function(){var e,t,n,r=null,o=null,s=null,u=!0,c=this.createNode();if(this.expectKeyword("for"),this.expect("("),this.match(";"))this.nextToken();else if(this.matchKeyword("var")){r=this.createNode(),this.nextToken();var d=this.context.allowIn;this.context.allowIn=!1;var p=this.parseVariableDeclarationList({inFor:!0});if(this.context.allowIn=d,1===p.length&&this.matchKeyword("in")){var f=p[0];f.init&&(f.id.type===l.Syntax.ArrayPattern||f.id.type===l.Syntax.ObjectPattern||this.context.strict)&&this.tolerateError(i.Messages.ForInOfLoopInitializer,"for-in"),r=this.finalize(r,new a.VariableDeclaration(p,"var")),this.nextToken(),e=r,t=this.parseExpression(),r=null}else 1===p.length&&null===p[0].init&&this.matchContextualKeyword("of")?(r=this.finalize(r,new a.VariableDeclaration(p,"var")),this.nextToken(),e=r,t=this.parseAssignmentExpression(),r=null,u=!1):(r=this.finalize(r,new a.VariableDeclaration(p,"var")),this.expect(";"))}else if(this.matchKeyword("const")||this.matchKeyword("let")){r=this.createNode();var h=this.nextToken().value;this.context.strict||"in"!==this.lookahead.value?(d=this.context.allowIn,this.context.allowIn=!1,p=this.parseBindingList(h,{inFor:!0}),this.context.allowIn=d,1===p.length&&null===p[0].init&&this.matchKeyword("in")?(r=this.finalize(r,new a.VariableDeclaration(p,h)),this.nextToken(),e=r,t=this.parseExpression(),r=null):1===p.length&&null===p[0].init&&this.matchContextualKeyword("of")?(r=this.finalize(r,new a.VariableDeclaration(p,h)),this.nextToken(),e=r,t=this.parseAssignmentExpression(),r=null,u=!1):(this.consumeSemicolon(),r=this.finalize(r,new a.VariableDeclaration(p,h)))):(r=this.finalize(r,new a.Identifier(h)),this.nextToken(),e=r,t=this.parseExpression(),r=null)}else{var m=this.lookahead;if(d=this.context.allowIn,this.context.allowIn=!1,r=this.inheritCoverGrammar(this.parseAssignmentExpression),this.context.allowIn=d,this.matchKeyword("in"))this.context.isAssignmentTarget&&r.type!==l.Syntax.AssignmentExpression||this.tolerateError(i.Messages.InvalidLHSInForIn),this.nextToken(),this.reinterpretExpressionAsPattern(r),e=r,t=this.parseExpression(),r=null;else if(this.matchContextualKeyword("of"))this.context.isAssignmentTarget&&r.type!==l.Syntax.AssignmentExpression||this.tolerateError(i.Messages.InvalidLHSInForLoop),this.nextToken(),this.reinterpretExpressionAsPattern(r),e=r,t=this.parseAssignmentExpression(),r=null,u=!1;else{if(this.match(",")){for(var g=[r];this.match(",");)this.nextToken(),g.push(this.isolateCoverGrammar(this.parseAssignmentExpression));r=this.finalize(this.startNode(m),new a.SequenceExpression(g))}this.expect(";")}}if(void 0===e&&(this.match(";")||(o=this.parseExpression()),this.expect(";"),this.match(")")||(s=this.parseExpression())),!this.match(")")&&this.config.tolerant)this.tolerateUnexpectedToken(this.nextToken()),n=this.finalize(this.createNode(),new a.EmptyStatement);else{this.expect(")");var v=this.context.inIteration;this.context.inIteration=!0,n=this.isolateCoverGrammar(this.parseStatement),this.context.inIteration=v}return void 0===e?this.finalize(c,new a.ForStatement(r,o,s,n)):u?this.finalize(c,new a.ForInStatement(e,t,n)):this.finalize(c,new a.ForOfStatement(e,t,n))},e.prototype.parseContinueStatement=function(){var e=this.createNode();this.expectKeyword("continue");var t=null;if(3===this.lookahead.type&&!this.hasLineTerminator){var n=this.parseVariableIdentifier();t=n;var r="$"+n.name;Object.prototype.hasOwnProperty.call(this.context.labelSet,r)||this.throwError(i.Messages.UnknownLabel,n.name)}return this.consumeSemicolon(),null!==t||this.context.inIteration||this.throwError(i.Messages.IllegalContinue),this.finalize(e,new a.ContinueStatement(t))},e.prototype.parseBreakStatement=function(){var e=this.createNode();this.expectKeyword("break");var t=null;if(3===this.lookahead.type&&!this.hasLineTerminator){var n=this.parseVariableIdentifier(),r="$"+n.name;Object.prototype.hasOwnProperty.call(this.context.labelSet,r)||this.throwError(i.Messages.UnknownLabel,n.name),t=n}return this.consumeSemicolon(),null!==t||this.context.inIteration||this.context.inSwitch||this.throwError(i.Messages.IllegalBreak),this.finalize(e,new a.BreakStatement(t))},e.prototype.parseReturnStatement=function(){this.context.inFunctionBody||this.tolerateError(i.Messages.IllegalReturn);var e=this.createNode();this.expectKeyword("return");var t=(this.match(";")||this.match("}")||this.hasLineTerminator||2===this.lookahead.type)&&8!==this.lookahead.type&&10!==this.lookahead.type?null:this.parseExpression();return this.consumeSemicolon(),this.finalize(e,new a.ReturnStatement(t))},e.prototype.parseWithStatement=function(){this.context.strict&&this.tolerateError(i.Messages.StrictModeWith);var e,t=this.createNode();this.expectKeyword("with"),this.expect("(");var n=this.parseExpression();return!this.match(")")&&this.config.tolerant?(this.tolerateUnexpectedToken(this.nextToken()),e=this.finalize(this.createNode(),new a.EmptyStatement)):(this.expect(")"),e=this.parseStatement()),this.finalize(t,new a.WithStatement(n,e))},e.prototype.parseSwitchCase=function(){var e,t=this.createNode();this.matchKeyword("default")?(this.nextToken(),e=null):(this.expectKeyword("case"),e=this.parseExpression()),this.expect(":");for(var n=[];!(this.match("}")||this.matchKeyword("default")||this.matchKeyword("case"));)n.push(this.parseStatementListItem());return this.finalize(t,new a.SwitchCase(e,n))},e.prototype.parseSwitchStatement=function(){var e=this.createNode();this.expectKeyword("switch"),this.expect("(");var t=this.parseExpression();this.expect(")");var n=this.context.inSwitch;this.context.inSwitch=!0;var r=[],o=!1;for(this.expect("{");!this.match("}");){var s=this.parseSwitchCase();null===s.test&&(o&&this.throwError(i.Messages.MultipleDefaultsInSwitch),o=!0),r.push(s)}return this.expect("}"),this.context.inSwitch=n,this.finalize(e,new a.SwitchStatement(t,r))},e.prototype.parseLabelledStatement=function(){var e,t=this.createNode(),n=this.parseExpression();if(n.type===l.Syntax.Identifier&&this.match(":")){this.nextToken();var r=n,o="$"+r.name;Object.prototype.hasOwnProperty.call(this.context.labelSet,o)&&this.throwError(i.Messages.Redeclaration,"Label",r.name),this.context.labelSet[o]=!0;var s=void 0;if(this.matchKeyword("class"))this.tolerateUnexpectedToken(this.lookahead),s=this.parseClassDeclaration();else if(this.matchKeyword("function")){var u=this.lookahead,c=this.parseFunctionDeclaration();this.context.strict?this.tolerateUnexpectedToken(u,i.Messages.StrictFunction):c.generator&&this.tolerateUnexpectedToken(u,i.Messages.GeneratorInLegacyContext),s=c}else s=this.parseStatement();delete this.context.labelSet[o],e=new a.LabeledStatement(r,s)}else this.consumeSemicolon(),e=new a.ExpressionStatement(n);return this.finalize(t,e)},e.prototype.parseThrowStatement=function(){var e=this.createNode();this.expectKeyword("throw"),this.hasLineTerminator&&this.throwError(i.Messages.NewlineAfterThrow);var t=this.parseExpression();return this.consumeSemicolon(),this.finalize(e,new a.ThrowStatement(t))},e.prototype.parseCatchClause=function(){var e=this.createNode();this.expectKeyword("catch"),this.expect("("),this.match(")")&&this.throwUnexpectedToken(this.lookahead);for(var t=[],n=this.parsePattern(t),r={},o=0;o0&&this.tolerateError(i.Messages.BadGetterArity);var r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!1))},e.prototype.parseSetterMethod=function(){var e=this.createNode(),t=this.context.allowYield;this.context.allowYield=!0;var n=this.parseFormalParameters();1!==n.params.length?this.tolerateError(i.Messages.BadSetterArity):n.params[0]instanceof a.RestElement&&this.tolerateError(i.Messages.BadSetterRestParameter);var r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!1))},e.prototype.parseGeneratorMethod=function(){var e=this.createNode(),t=this.context.allowYield;this.context.allowYield=!0;var n=this.parseFormalParameters();this.context.allowYield=!1;var r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!0))},e.prototype.isStartOfExpression=function(){var e=!0,t=this.lookahead.value;switch(this.lookahead.type){case 7:e="["===t||"("===t||"{"===t||"+"===t||"-"===t||"!"===t||"~"===t||"++"===t||"--"===t||"/"===t||"/="===t;break;case 4:e="class"===t||"delete"===t||"function"===t||"let"===t||"new"===t||"super"===t||"this"===t||"typeof"===t||"void"===t||"yield"===t}return e},e.prototype.parseYieldExpression=function(){var e=this.createNode();this.expectKeyword("yield");var t=null,n=!1;if(!this.hasLineTerminator){var r=this.context.allowYield;this.context.allowYield=!1,(n=this.match("*"))?(this.nextToken(),t=this.parseAssignmentExpression()):this.isStartOfExpression()&&(t=this.parseAssignmentExpression()),this.context.allowYield=r}return this.finalize(e,new a.YieldExpression(t,n))},e.prototype.parseClassElement=function(e){var t=this.lookahead,n=this.createNode(),r="",o=null,s=null,l=!1,u=!1,c=!1,d=!1;if(this.match("*"))this.nextToken();else if(l=this.match("["),"static"===(o=this.parseObjectPropertyKey()).name&&(this.qualifiedPropertyName(this.lookahead)||this.match("*"))&&(t=this.lookahead,c=!0,l=this.match("["),this.match("*")?this.nextToken():o=this.parseObjectPropertyKey()),3===t.type&&!this.hasLineTerminator&&"async"===t.value){var p=this.lookahead.value;":"!==p&&"("!==p&&"*"!==p&&(d=!0,t=this.lookahead,o=this.parseObjectPropertyKey(),3===t.type&&"constructor"===t.value&&this.tolerateUnexpectedToken(t,i.Messages.ConstructorIsAsync))}var f=this.qualifiedPropertyName(this.lookahead);return 3===t.type?"get"===t.value&&f?(r="get",l=this.match("["),o=this.parseObjectPropertyKey(),this.context.allowYield=!1,s=this.parseGetterMethod()):"set"===t.value&&f&&(r="set",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseSetterMethod()):7===t.type&&"*"===t.value&&f&&(r="init",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseGeneratorMethod(),u=!0),!r&&o&&this.match("(")&&(r="init",s=d?this.parsePropertyMethodAsyncFunction():this.parsePropertyMethodFunction(),u=!0),r||this.throwUnexpectedToken(this.lookahead),"init"===r&&(r="method"),l||(c&&this.isPropertyKey(o,"prototype")&&this.throwUnexpectedToken(t,i.Messages.StaticPrototype),!c&&this.isPropertyKey(o,"constructor")&&(("method"!==r||!u||s&&s.generator)&&this.throwUnexpectedToken(t,i.Messages.ConstructorSpecialMethod),e.value?this.throwUnexpectedToken(t,i.Messages.DuplicateConstructor):e.value=!0,r="constructor")),this.finalize(n,new 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t="0"!==e,n=s(e);return!this.eof()&&o.Character.isOctalDigit(this.source.charCodeAt(this.index))&&(t=!0,n=8*n+s(this.source[this.index++]),"0123".indexOf(e)>=0&&!this.eof()&&o.Character.isOctalDigit(this.source.charCodeAt(this.index))&&(n=8*n+s(this.source[this.index++]))),{code:n,octal:t}},e.prototype.scanIdentifier=function(){var e,t=this.index,n=92===this.source.charCodeAt(t)?this.getComplexIdentifier():this.getIdentifier();if(3!=(e=1===n.length?3:this.isKeyword(n)?4:"null"===n?5:"true"===n||"false"===n?1:3)&&t+n.length!==this.index){var r=this.index;this.index=t,this.tolerateUnexpectedToken(i.Messages.InvalidEscapedReservedWord),this.index=r}return{type:e,value:n,lineNumber:this.lineNumber,lineStart:this.lineStart,start:t,end:this.index}},e.prototype.scanPunctuator=function(){var e=this.index,t=this.source[this.index];switch(t){case"(":case"{":"{"===t&&this.curlyStack.push("{"),++this.index;break;case".":++this.index,"."===this.source[this.index]&&"."===this.source[this.index+1]&&(this.index+=2,t="...");break;case"}":++this.index,this.curlyStack.pop();break;case")":case";":case",":case"[":case"]":case":":case"?":case"~":++this.index;break;default:">>>="===(t=this.source.substr(this.index,4))?this.index+=4:"==="===(t=t.substr(0,3))||"!=="===t||">>>"===t||"<<="===t||">>="===t||"**="===t?this.index+=3:"&&"===(t=t.substr(0,2))||"||"===t||"=="===t||"!="===t||"+="===t||"-="===t||"*="===t||"/="===t||"++"===t||"--"===t||"<<"===t||">>"===t||"&="===t||"|="===t||"^="===t||"%="===t||"<="===t||">="===t||"=>"===t||"**"===t?this.index+=2:(t=this.source[this.index],"<>=!+-*%&|^/".indexOf(t)>=0&&++this.index)}return this.index===e&&this.throwUnexpectedToken(),{type:7,value:t,lineNumber:this.lineNumber,lineStart:this.lineStart,start:e,end:this.index}},e.prototype.scanHexLiteral=function(e){for(var t="";!this.eof()&&o.Character.isHexDigit(this.source.charCodeAt(this.index));)t+=this.source[this.index++];return 0===t.length&&this.throwUnexpectedToken(),o.Character.isIdentifierStart(this.source.charCodeAt(this.index))&&this.throwUnexpectedToken(),{type:6,value:parseInt("0x"+t,16),lineNumber:this.lineNumber,lineStart:this.lineStart,start:e,end:this.index}},e.prototype.scanBinaryLiteral=function(e){for(var t,n="";!this.eof()&&("0"===(t=this.source[this.index])||"1"===t);)n+=this.source[this.index++];return 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n=t[1],r=t[2],o=t[3],i=t[6],a=t[7],s=t[11];e[1]=t[4],e[2]=t[8],e[3]=t[12],e[4]=n,e[6]=t[9],e[7]=t[13],e[8]=r,e[9]=i,e[11]=t[14],e[12]=o,e[13]=a,e[14]=s}else e[0]=t[0],e[1]=t[4],e[2]=t[8],e[3]=t[12],e[4]=t[1],e[5]=t[5],e[6]=t[9],e[7]=t[13],e[8]=t[2],e[9]=t[6],e[10]=t[10],e[11]=t[14],e[12]=t[3],e[13]=t[7],e[14]=t[11],e[15]=t[15];return e}function m(e,t){var n=t[0],r=t[1],o=t[2],i=t[3],a=t[4],s=t[5],l=t[6],u=t[7],c=t[8],d=t[9],p=t[10],f=t[11],h=t[12],m=t[13],g=t[14],v=t[15],y=n*s-r*a,b=n*l-o*a,x=n*u-i*a,_=r*l-o*s,T=r*u-i*s,S=o*u-i*l,w=c*m-d*h,C=c*g-p*h,A=c*v-f*h,E=d*g-p*m,D=d*v-f*m,I=p*v-f*g,O=y*I-b*D+x*E+_*A-T*C+S*w;return O?(O=1/O,e[0]=(s*I-l*D+u*E)*O,e[1]=(o*D-r*I-i*E)*O,e[2]=(m*S-g*T+v*_)*O,e[3]=(p*T-d*S-f*_)*O,e[4]=(l*A-a*I-u*C)*O,e[5]=(n*I-o*A+i*C)*O,e[6]=(g*x-h*S-v*b)*O,e[7]=(c*S-p*x+f*b)*O,e[8]=(a*D-s*A+u*w)*O,e[9]=(r*A-n*D-i*w)*O,e[10]=(h*T-m*x+v*y)*O,e[11]=(d*x-c*T-f*y)*O,e[12]=(s*C-a*E-l*w)*O,e[13]=(n*E-r*C+o*w)*O,e[14]=(m*b-h*_-g*y)*O,e[15]=(c*_-d*b+p*y)*O,e):null}function g(e,t){var n=t[0],r=t[1],o=t[2],i=t[3],a=t[4],s=t[5],l=t[6],u=t[7],c=t[8],d=t[9],p=t[10],f=t[11],h=t[12],m=t[13],g=t[14],v=t[15];return e[0]=s*(p*v-f*g)-d*(l*v-u*g)+m*(l*f-u*p),e[1]=-(r*(p*v-f*g)-d*(o*v-i*g)+m*(o*f-i*p)),e[2]=r*(l*v-u*g)-s*(o*v-i*g)+m*(o*u-i*l),e[3]=-(r*(l*f-u*p)-s*(o*f-i*p)+d*(o*u-i*l)),e[4]=-(a*(p*v-f*g)-c*(l*v-u*g)+h*(l*f-u*p)),e[5]=n*(p*v-f*g)-c*(o*v-i*g)+h*(o*f-i*p),e[6]=-(n*(l*v-u*g)-a*(o*v-i*g)+h*(o*u-i*l)),e[7]=n*(l*f-u*p)-a*(o*f-i*p)+c*(o*u-i*l),e[8]=a*(d*v-f*m)-c*(s*v-u*m)+h*(s*f-u*d),e[9]=-(n*(d*v-f*m)-c*(r*v-i*m)+h*(r*f-i*d)),e[10]=n*(s*v-u*m)-a*(r*v-i*m)+h*(r*u-i*s),e[11]=-(n*(s*f-u*d)-a*(r*f-i*d)+c*(r*u-i*s)),e[12]=-(a*(d*g-p*m)-c*(s*g-l*m)+h*(s*p-l*d)),e[13]=n*(d*g-p*m)-c*(r*g-o*m)+h*(r*p-o*d),e[14]=-(n*(s*g-l*m)-a*(r*g-o*m)+h*(r*l-o*s)),e[15]=n*(s*p-l*d)-a*(r*p-o*d)+c*(r*l-o*s),e}function v(e){var t=e[0],n=e[1],r=e[2],o=e[3],i=e[4],a=e[5],s=e[6],l=e[7],u=e[8],c=e[9],d=e[10],p=e[11],f=e[12],h=e[13],m=e[14],g=e[15];return(t*a-n*i)*(d*g-p*m)-(t*s-r*i)*(c*g-p*h)+(t*l-o*i)*(c*m-d*h)+(n*s-r*a)*(u*g-p*f)-(n*l-o*a)*(u*m-d*f)+(r*l-o*s)*(u*h-c*f)}function y(e,t,n){var r=t[0],o=t[1],i=t[2],a=t[3],s=t[4],l=t[5],u=t[6],c=t[7],d=t[8],p=t[9],f=t[10],h=t[11],m=t[12],g=t[13],v=t[14],y=t[15],b=n[0],x=n[1],_=n[2],T=n[3];return e[0]=b*r+x*s+_*d+T*m,e[1]=b*o+x*l+_*p+T*g,e[2]=b*i+x*u+_*f+T*v,e[3]=b*a+x*c+_*h+T*y,b=n[4],x=n[5],_=n[6],T=n[7],e[4]=b*r+x*s+_*d+T*m,e[5]=b*o+x*l+_*p+T*g,e[6]=b*i+x*u+_*f+T*v,e[7]=b*a+x*c+_*h+T*y,b=n[8],x=n[9],_=n[10],T=n[11],e[8]=b*r+x*s+_*d+T*m,e[9]=b*o+x*l+_*p+T*g,e[10]=b*i+x*u+_*f+T*v,e[11]=b*a+x*c+_*h+T*y,b=n[12],x=n[13],_=n[14],T=n[15],e[12]=b*r+x*s+_*d+T*m,e[13]=b*o+x*l+_*p+T*g,e[14]=b*i+x*u+_*f+T*v,e[15]=b*a+x*c+_*h+T*y,e}function b(e,t,n){var r,o,i,a,s,l,u,c,d,p,f,h,m=n[0],g=n[1],v=n[2];return t===e?(e[12]=t[0]*m+t[4]*g+t[8]*v+t[12],e[13]=t[1]*m+t[5]*g+t[9]*v+t[13],e[14]=t[2]*m+t[6]*g+t[10]*v+t[14],e[15]=t[3]*m+t[7]*g+t[11]*v+t[15]):(r=t[0],o=t[1],i=t[2],a=t[3],s=t[4],l=t[5],u=t[6],c=t[7],d=t[8],p=t[9],f=t[10],h=t[11],e[0]=r,e[1]=o,e[2]=i,e[3]=a,e[4]=s,e[5]=l,e[6]=u,e[7]=c,e[8]=d,e[9]=p,e[10]=f,e[11]=h,e[12]=r*m+s*g+d*v+t[12],e[13]=o*m+l*g+p*v+t[13],e[14]=i*m+u*g+f*v+t[14],e[15]=a*m+c*g+h*v+t[15]),e}function x(e,t,n){var r=n[0],o=n[1],i=n[2];return e[0]=t[0]*r,e[1]=t[1]*r,e[2]=t[2]*r,e[3]=t[3]*r,e[4]=t[4]*o,e[5]=t[5]*o,e[6]=t[6]*o,e[7]=t[7]*o,e[8]=t[8]*i,e[9]=t[9]*i,e[10]=t[10]*i,e[11]=t[11]*i,e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15],e}function _(e,t,n,r){var i,a,s,l,u,c,d,p,f,h,m,g,v,y,b,x,_,T,S,w,C,A,E,D,I=r[0],O=r[1],P=r[2],N=Math.hypot(I,O,P);return N0?(n[0]=2*(l*s+d*r+u*a-c*o)/p,n[1]=2*(u*s+d*o+c*r-l*a)/p,n[2]=2*(c*s+d*a+l*o-u*r)/p):(n[0]=2*(l*s+d*r+u*a-c*o),n[1]=2*(u*s+d*o+c*r-l*a),n[2]=2*(c*s+d*a+l*o-u*r)),P(e,t,n),e}function M(e,t){return e[0]=t[12],e[1]=t[13],e[2]=t[14],e}function R(e,t){var n=t[0],r=t[1],o=t[2],i=t[4],a=t[5],s=t[6],l=t[8],u=t[9],c=t[10];return e[0]=Math.hypot(n,r,o),e[1]=Math.hypot(i,a,s),e[2]=Math.hypot(l,u,c),e}function F(e,t){var n=new i(3);R(n,t);var r=1/n[0],o=1/n[1],a=1/n[2],s=t[0]*r,l=t[1]*o,u=t[2]*a,c=t[4]*r,d=t[5]*o,p=t[6]*a,f=t[8]*r,h=t[9]*o,m=t[10]*a,g=s+d+m,v=0;return g>0?(v=2*Math.sqrt(g+1),e[3]=.25*v,e[0]=(p-h)/v,e[1]=(f-u)/v,e[2]=(l-c)/v):s>d&&s>m?(v=2*Math.sqrt(1+s-d-m),e[3]=(p-h)/v,e[0]=.25*v,e[1]=(l+c)/v,e[2]=(f+u)/v):d>m?(v=2*Math.sqrt(1+d-s-m),e[3]=(f-u)/v,e[0]=(l+c)/v,e[1]=.25*v,e[2]=(p+h)/v):(v=2*Math.sqrt(1+m-s-d),e[3]=(l-c)/v,e[0]=(f+u)/v,e[1]=(p+h)/v,e[2]=.25*v),e}function k(e,t,n,r){var o=t[0],i=t[1],a=t[2],s=t[3],l=o+o,u=i+i,c=a+a,d=o*l,p=o*u,f=o*c,h=i*u,m=i*c,g=a*c,v=s*l,y=s*u,b=s*c,x=r[0],_=r[1],T=r[2];return e[0]=(1-(h+g))*x,e[1]=(p+b)*x,e[2]=(f-y)*x,e[3]=0,e[4]=(p-b)*_,e[5]=(1-(d+g))*_,e[6]=(m+v)*_,e[7]=0,e[8]=(f+y)*T,e[9]=(m-v)*T,e[10]=(1-(d+h))*T,e[11]=0,e[12]=n[0],e[13]=n[1],e[14]=n[2],e[15]=1,e}function L(e,t,n,r,o){var i=t[0],a=t[1],s=t[2],l=t[3],u=i+i,c=a+a,d=s+s,p=i*u,f=i*c,h=i*d,m=a*c,g=a*d,v=s*d,y=l*u,b=l*c,x=l*d,_=r[0],T=r[1],S=r[2],w=o[0],C=o[1],A=o[2],E=(1-(m+v))*_,D=(f+x)*_,I=(h-b)*_,O=(f-x)*T,P=(1-(p+v))*T,N=(g+y)*T,M=(h+b)*S,R=(g-y)*S,F=(1-(p+m))*S;return e[0]=E,e[1]=D,e[2]=I,e[3]=0,e[4]=O,e[5]=P,e[6]=N,e[7]=0,e[8]=M,e[9]=R,e[10]=F,e[11]=0,e[12]=n[0]+w-(E*w+O*C+M*A),e[13]=n[1]+C-(D*w+P*C+R*A),e[14]=n[2]+A-(I*w+N*C+F*A),e[15]=1,e}function B(e,t){var n=t[0],r=t[1],o=t[2],i=t[3],a=n+n,s=r+r,l=o+o,u=n*a,c=r*a,d=r*s,p=o*a,f=o*s,h=o*l,m=i*a,g=i*s,v=i*l;return e[0]=1-d-h,e[1]=c+v,e[2]=p-g,e[3]=0,e[4]=c-v,e[5]=1-u-h,e[6]=f+m,e[7]=0,e[8]=p+g,e[9]=f-m,e[10]=1-u-d,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e}function V(e,t,n,r,o,i,a){var s=1/(n-t),l=1/(o-r),u=1/(i-a);return e[0]=2*i*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=2*i*l,e[6]=0,e[7]=0,e[8]=(n+t)*s,e[9]=(o+r)*l,e[10]=(a+i)*u,e[11]=-1,e[12]=0,e[13]=0,e[14]=a*i*2*u,e[15]=0,e}function U(e,t,n,r,o){var i,a=1/Math.tan(t/2);return e[0]=a/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=a,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(i=1/(r-o),e[10]=(o+r)*i,e[14]=2*o*r*i):(e[10]=-1,e[14]=-2*r),e}Math.hypot||(Math.hypot=function(){for(var e=0,t=arguments.length;t--;)e+=arguments[t]*arguments[t];return Math.sqrt(e)});var G=U;function z(e,t,n,r,o){var i,a=1/Math.tan(t/2);return e[0]=a/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=a,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(i=1/(r-o),e[10]=o*i,e[14]=o*r*i):(e[10]=-1,e[14]=-r),e}function j(e,t,n,r){var o=Math.tan(t.upDegrees*Math.PI/180),i=Math.tan(t.downDegrees*Math.PI/180),a=Math.tan(t.leftDegrees*Math.PI/180),s=Math.tan(t.rightDegrees*Math.PI/180),l=2/(a+s),u=2/(o+i);return e[0]=l,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=u,e[6]=0,e[7]=0,e[8]=-(a-s)*l*.5,e[9]=(o-i)*u*.5,e[10]=r/(n-r),e[11]=-1,e[12]=0,e[13]=0,e[14]=r*n/(n-r),e[15]=0,e}function W(e,t,n,r,o,i,a){var s=1/(t-n),l=1/(r-o),u=1/(i-a);return e[0]=-2*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*l,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=2*u,e[11]=0,e[12]=(t+n)*s,e[13]=(o+r)*l,e[14]=(a+i)*u,e[15]=1,e}var H=W;function X(e,t,n,r,o,i,a){var s=1/(t-n),l=1/(r-o),u=1/(i-a);return e[0]=-2*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*l,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=u,e[11]=0,e[12]=(t+n)*s,e[13]=(o+r)*l,e[14]=i*u,e[15]=1,e}function K(e,t,n,r){var i,a,s,l,u,c,d,p,h,m,g=t[0],v=t[1],y=t[2],b=r[0],x=r[1],_=r[2],T=n[0],S=n[1],w=n[2];return Math.abs(g-T)0&&(c*=f=1/Math.sqrt(f),d*=f,p*=f);var h=l*p-u*d,m=u*c-s*p,g=s*d-l*c;return(f=h*h+m*m+g*g)>0&&(h*=f=1/Math.sqrt(f),m*=f,g*=f),e[0]=h,e[1]=m,e[2]=g,e[3]=0,e[4]=d*g-p*m,e[5]=p*h-c*g,e[6]=c*m-d*h,e[7]=0,e[8]=c,e[9]=d,e[10]=p,e[11]=0,e[12]=o,e[13]=i,e[14]=a,e[15]=1,e}function 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Ai(e,t){t.classHierarchy.push("vtkPlane"),e.distanceToPlane=e=>bi(e,t.origin,t.normal),e.projectPoint=(e,n)=>{xi(e,t.origin,t.normal,n)},e.projectVector=(e,n)=>_i(e,t.normal,n),e.push=e=>{if(0!==e)for(let n=0;n<3;n++)t.origin[n]+=e*t.normal[n]},e.generalizedProjectPoint=(e,n)=>{Ti(e,t.origin,t.normal,n)},e.evaluateFunction=(e,n,r)=>Array.isArray(e)?t.normal[0]*(e[0]-t.origin[0])+t.normal[1]*(e[1]-t.origin[1])+t.normal[2]*(e[2]-t.origin[2]):t.normal[0]*(e-t.origin[0])+t.normal[1]*(n-t.origin[1])+t.normal[2]*(r-t.origin[2]),e.evaluateGradient=e=>[t.normal[0],t.normal[1],t.normal[2]],e.intersectWithLine=(e,n)=>Si(e,n,t.origin,t.normal),e.intersectWithPlane=(e,n)=>wi(e,n,t.origin,t.normal)}const Ei={normal:[0,0,1],origin:[0,0,0]};function Di(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ei,n),gt.obj(e,t),gt.setGetArray(e,t,["normal","origin"],3),Ai(e,t)}var Ii={newInstance:gt.newInstance(Di,"vtkPlane"),extend:Di,...Ci};function Oi(e,t,n,r){const o=n[0]-t[0],i=n[1]-t[1],a=n[2]-t[2],s=e[0]-t[0],l=e[1]-t[1],u=e[2]-t[2];r[0]=i*u-a*l,r[1]=a*s-o*u,r[2]=o*l-i*s}function Pi(e,t,n,r){Oi(e,t,n,r);const o=Math.sqrt(r[0]*r[0]+r[1]*r[1]+r[2]*r[2]);0!==o&&(r[0]/=o,r[1]/=o,r[2]/=o)}const Ni={computeNormalDirection:Oi,computeNormal:Pi,intersectWithTriangle:function(e,t,n,r,o,i){let a=arguments.length>6&&void 0!==arguments[6]?arguments[6]:1e-6,s=!1;const l=[],u=[],c=[],d=[],p=[];Pi(e,t,n,d),Pi(r,o,i,p);const f=-Ln(d,e),h=-Ln(p,r),m=[Ln(p,e)+h,Ln(p,t)+h,Ln(p,n)+h];if(m[0]*m[1]>a&&m[0]*m[2]>a)return{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};const g=[Ln(d,r)+f,Ln(d,o)+f,Ln(d,i)+f];if(g[0]*g[1]>a&&g[0]*g[2]>a)return{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};if(Math.abs(d[0]-p[0])<1e-9&&Math.abs(d[1]-p[1])<1e-9&&Math.abs(d[2]-p[2])<1e-9&&Math.abs(f-h)<1e-9)return s=!0,{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};const 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pa(e,t){t.classHierarchy.push("vtkOpenGLCellArrayBufferObject"),e.setType(ta.ARRAY_BUFFER),e.createVBO=function(n,r,o,i){let a=arguments.length>4&&void 0!==arguments[4]?arguments[4]:null;if(!n.getData()||!n.getData().length)return t.elementCount=0,0;t.blockSize=3,t.vertexOffset=0,t.normalOffset=0,t.tCoordOffset=0,t.tCoordComponents=0,t.colorComponents=0,t.colorOffset=0,t.customData=[];const s=i.points.getData();let l=null,u=null,c=null;const 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R=i.vertexOffset;f=function(e){if(a&&(a.points[R]=e,a.cells[R]=b+i.cellOffset),++R,h=3*e,t.coordShiftAndScaleEnabled?(D[I++]=(s[h++]-t.coordShift[0])*t.coordScale[0],D[I++]=(s[h++]-t.coordShift[1])*t.coordScale[1],D[I++]=(s[h++]-t.coordShift[2])*t.coordScale[2]):(D[I++]=s[h++],D[I++]=s[h++],D[I++]=s[h++]),null!==l&&(m=i.haveCellNormals?3*(b+i.cellOffset):3*e,D[I++]=l[m++],D[I++]=l[m++],D[I++]=l[m++]),t.customData.forEach((t=>{y=e*t.components;for(let e=0;e{null===e||e.constructor===Float64Array&&3===e.length?null===n||n.constructor===Float64Array&&3===n.length?(null!==t.coordShift&&null!==e&&en(e,t.coordShift)||(t.coordShift=e),null!==t.coordScale&&null!==n&&en(n,t.coordScale)||(t.coordScale=n),t.coordShiftAndScaleEnabled=function(e,t){return null!==e&&null!==t&&!(Zt(e,[0,0,0])&&Zt(t,[1,1,1]))}(t.coordShift,t.coordScale),t.coordShiftAndScaleEnabled?t.inverseShiftAndScaleMatrix=function(e,t){const n=new Float64Array(3);Xt(n,t);const r=new Float64Array(16);return 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va(e,t){t.classHierarchy.push("vtkShader"),e.compile=()=>{let e=t.context.VERTEX_SHADER;if(!t.source||!t.source.length||"Unknown"===t.shaderType)return!1;if(0!==t.handle&&(t.context.deleteShader(t.handle),t.handle=0),e="Fragment"===t.shaderType?t.context.FRAGMENT_SHADER:t.context.VERTEX_SHADER,t.handle=t.context.createShader(e),t.context.shaderSource(t.handle,t.source),t.context.compileShader(t.handle),!t.context.getShaderParameter(t.handle,t.context.COMPILE_STATUS)){const e=t.context.getShaderInfoLog(t.handle);return ga(`Error compiling shader '${t.source}': ${e}`),t.context.deleteShader(t.handle),t.handle=0,!1}return!0},e.cleanup=()=>{"Unknown"!==t.shaderType&&0!==t.handle&&(t.context.deleteShader(t.handle),t.handle=0,t.dirty=!0)}}const ya={shaderType:"Unknown",source:"",error:"",handle:0,dirty:!1,context:null};function ba(e,t){let n=arguments.length>2&&void 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No such uniform.`,!1;for(var o=arguments.length,i=new Array(o>1?o-1:0),a=1;a{const o=e.findUniform(n);return-1===o?(t.error=`Could not set uniform ${n} . No such uniform.`,!1):(t.context.uniform4fv(o,r),!0)},e.setUniform4i=function(n){const r=e.findUniform(n);if(-1===r)return t.error=`Could not set uniform ${n} . No such uniform.`,!1;for(var o=arguments.length,i=new Array(o>1?o-1:0),a=1;a{const o=e.findUniform(n);return-1===o?(t.error=`Could not set uniform ${n} . 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program.",!1):(t.context.detachShader(t.handle,e.getHandle()),t.vertexShaderHandle=0,t.linked=!1,!0);case"Fragment":return t.fragmentShaderHandle!==e.getHandle()?(t.error="The supplied shader was not attached to this program.",!1):(t.context.detachShader(t.handle,e.getHandle()),t.fragmentShaderHandle=0,t.linked=!1,!0);default:return!1}},e.setContext=e=>{t.context=e,t.vertexShader.setContext(e),t.fragmentShader.setContext(e),t.geometryShader.setContext(e)},e.setLastCameraMTime=e=>{t.lastCameraMTime=e}}const Sa={vertexShaderHandle:0,fragmentShaderHandle:0,geometryShaderHandle:0,vertexShader:null,fragmentShader:null,geometryShader:null,linked:!1,bound:!1,compiled:!1,error:"",handle:0,numberOfOutputs:0,attributesLocs:null,uniformLocs:null,md5Hash:0,context:null,lastCameraMTime:null};function wa(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Sa,n),t.attributesLocs={},t.uniformLocs={},t.vertexShader=xa.newInstance(),t.vertexShader.setShaderType("Vertex"),t.fragmentShader=xa.newInstance(),t.fragmentShader.setShaderType("Fragment"),t.geometryShader=xa.newInstance(),t.geometryShader.setShaderType("Geometry"),gt.obj(e,t),gt.get(e,t,["lastCameraMTime"]),gt.setGet(e,t,["error","handle","compiled","bound","md5Hash","vertexShader","fragmentShader","geometryShader","linked"]),Ta(e,t)}var Ca={newInstance:gt.newInstance(wa,"vtkShaderProgram"),extend:wa,substitute:function(e,t,n,r){const o="string"==typeof n?n:n.join("\n"),i=!1===r?t:new RegExp(t,"g"),a=e.replace(i,o);return{replace:a!==o,result:a}}};function Aa(e,t){t.classHierarchy.push("vtkOpenGLVertexArrayObject"),e.exposedMethod=()=>{},e.initialize=()=>{t.instancingExtension=null,t._openGLRenderWindow.getWebgl2()||(t.instancingExtension=t.context.getExtension("ANGLE_instanced_arrays")),!t.forceEmulation&&t._openGLRenderWindow&&t._openGLRenderWindow.getWebgl2()?(t.extension=null,t.supported=!0,t.handleVAO=t.context.createVertexArray()):(t.extension=t.context.getExtension("OES_vertex_array_object"),!t.forceEmulation&&t.extension?(t.supported=!0,t.handleVAO=t.extension.createVertexArrayOES()):t.supported=!1)},e.isReady=()=>0!==t.handleVAO||!1===t.supported,e.bind=()=>{if(e.isReady()||e.initialize(),e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(t.handleVAO):t.context.bindVertexArray(t.handleVAO);else if(e.isReady()){const e=t.context;for(let n=0;n0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,1):e.vertexAttribDivisor(o.index+n,1))}}}},e.release=()=>{if(e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(null):t.context.bindVertexArray(null);else if(e.isReady()){const e=t.context;for(let n=0;n0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,0):e.vertexAttribDivisor(o.index+n,0)),e.disableVertexAttribArray(o.index+n)}}}},e.shaderProgramChanged=()=>{e.release(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.handleProgram=0},e.releaseGraphicsResources=()=>{e.shaderProgramChanged(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.supported=!0,t.handleProgram=0},e.addAttributeArray=(t,n,r,o,i,a,s,l)=>e.addAttributeArrayWithDivisor(t,n,r,o,i,a,s,l,0,!1),e.addAttributeArrayWithDivisor=(n,r,o,i,a,s,l,u,c,d)=>{if(!n)return!1;if(!n.isBound()||0===r.getHandle()||r.getType()!==ta.ARRAY_BUFFER)return!1;if(0===t.handleProgram&&(t.handleProgram=n.getHandle()),e.isReady()||e.initialize(),!e.isReady()||t.handleProgram!==n.getHandle())return!1;const p=t.context,f={};if(f.name=o,f.index=p.getAttribLocation(t.handleProgram,o),f.offset=i,f.stride=a,f.type=s,f.size=l,f.normalize=u,f.isMatrix=d,f.divisor=c,-1===f.Index)return!1;if(r.bind(),p.enableVertexAttribArray(f.index),p.vertexAttribPointer(f.index,f.size,f.type,f.normalize,f.stride,f.offset),c>0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f.index,1):p.vertexAttribDivisor(f.index,1)),f.buffer=r.getHandle(),!t.supported){let e=!1;for(let n=0;n{const d=e.addAttributeArrayWithDivisor(n,r,o,i,a,s,l,u,c,!0);if(!d)return d;const p=t.context,f=p.getAttribLocation(t.handleProgram,o);for(let e=1;e0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f+e,1):p.vertexAttribDivisor(f+e,1));return!0},e.removeAttributeArray=n=>{if(!e.isReady()||0===t.handleProgram)return!1;if(!t.supported)for(let e=0;e{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))}}const Ea={forceEmulation:!1,handleVAO:0,handleProgram:0,supported:!0,buffers:null,context:null};function Da(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ea,n),t.buffers=[],gt.obj(e,t),gt.get(e,t,["supported"]),gt.setGet(e,t,["forceEmulation"]),Aa(e,t)}var Ia={newInstance:gt.newInstance(Da,"vtkOpenGLVertexArrayObject"),extend:Da};const Oa={Start:0,Points:0,Lines:1,Tris:2,TriStrips:3,TrisEdges:4,TriStripsEdges:5,End:6};function Pa(e,t){t.classHierarchy.push("vtkOpenGLHelper"),e.setOpenGLRenderWindow=e=>{t.context=e.getContext(),t.program.setContext(t.context),t.VAO.setOpenGLRenderWindow(e),t.CABO.setOpenGLRenderWindow(e)},e.releaseGraphicsResources=e=>{t.VAO.releaseGraphicsResources(),t.CABO.releaseGraphicsResources(),t.CABO.setElementCount(0)},e.drawArrays=(n,r,o,i)=>{if(t.CABO.getElementCount()){const a=e.getOpenGLMode(o),s=e.haveWideLines(n,r),l=t.context,u=l.getParameter(l.DEPTH_WRITEMASK);t.pointPicking&&l.depthMask(!1),a===l.LINES&&s?(e.updateShaders(n,r,i),l.drawArraysInstanced(a,0,t.CABO.getElementCount(),2*Math.ceil(r.getProperty().getLineWidth()))):(l.lineWidth(r.getProperty().getLineWidth()),e.updateShaders(n,r,i),l.drawArrays(a,0,t.CABO.getElementCount()),l.lineWidth(1));const c=(a===l.POINTS?1:0)||(a===l.LINES?2:3);return t.pointPicking&&l.depthMask(u),t.CABO.getElementCount()/c}return 0},e.getOpenGLMode=e=>{if(t.pointPicking)return t.context.POINTS;const n=t.primitiveType;return e===ua.POINTS||n===Oa.Points?t.context.POINTS:e===ua.WIREFRAME||n===Oa.Lines||n===Oa.TrisEdges||n===Oa.TriStripsEdges?t.context.LINES:t.context.TRIANGLES},e.haveWideLines=(e,n)=>n.getProperty().getLineWidth()>1&&!(t.CABO.getOpenGLRenderWindow()&&t.CABO.getOpenGLRenderWindow().getHardwareMaximumLineWidth()>=n.getProperty().getLineWidth()),e.getNeedToRebuildShaders=(t,n,r)=>!!(r.getNeedToRebuildShaders(e,t,n)||0===e.getProgram()||e.getShaderSourceTime().getMTime(){if(e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};o.buildShaders(i,n,r);const a=t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==e.getProgram()&&(e.setProgram(a),e.getVAO().releaseGraphicsResources()),e.getShaderSourceTime().modified()}else t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgram(e.getProgram());e.getVAO().bind(),o.setMapperShaderParameters(e,n,r),o.setPropertyShaderParameters(e,n,r),o.setCameraShaderParameters(e,n,r),o.setLightingShaderParameters(e,n,r),o.invokeShaderCallbacks(e,n,r)},e.setMapperShaderParameters=(n,r,o)=>{if(e.haveWideLines(n,r)){e.getProgram().setUniform2f("viewportSize",o.usize,o.vsize);const t=parseFloat(r.getProperty().getLineWidth()),n=t/2;e.getProgram().setUniformf("lineWidthStepSize",t/Math.ceil(t)),e.getProgram().setUniformf("halfLineWidth",n)}t.primitiveType===Oa.Points||r.getProperty().getRepresentation()===ua.POINTS?e.getProgram().setUniformf("pointSize",r.getProperty().getPointSize()):t.pointPicking&&e.getProgram().setUniformf("pointSize",e.getPointPickingPrimitiveSize())},e.replaceShaderPositionVC=(n,r,o)=>{let i=n.Vertex;i=Ca.substitute(i,"//VTK::PositionVC::Dec",["//VTK::PositionVC::Dec","uniform float 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}"]).result),n.Vertex=i},e.getPointPickingPrimitiveSize=()=>t.primitiveType===Oa.Points?2:t.primitiveType===Oa.Lines?4:6,e.getAllocatedGPUMemoryInBytes=()=>e.getCABO().getAllocatedGPUMemoryInBytes()}const Na={context:null,program:null,shaderSourceTime:null,VAO:null,attributeUpdateTime:null,CABO:null,primitiveType:0,pointPicking:!1};function Ma(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Na,n),gt.obj(e,t),t.shaderSourceTime={},gt.obj(t.shaderSourceTime),t.attributeUpdateTime={},gt.obj(t.attributeUpdateTime),gt.setGet(e,t,["program","shaderSourceTime","VAO","attributeUpdateTime","CABO","primitiveType","pointPicking"]),t.program=Ca.newInstance(),t.VAO=Ia.newInstance(),t.CABO=ma.newInstance(),Pa(e,t)}var Ra={newInstance:gt.newInstance(Ma),extend:Ma,primTypes:Oa};const Fa=e=>e,ka=1e-6;class La{constructor(){let e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this.matrix=f(new Float64Array(16)),this.tmp=new 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Ka(e,t){t.classHierarchy.push("vtkImageDataOutlineFilter");const n={...e};e.requestData=(e,n)=>{const r=e[0];if(!r||!r.isA("vtkImageData"))return void Xa("Invalid or missing input");const o=r.getSpatialExtent();o?(t._cubeSource.setBounds(o),t._cubeSource.setMatrix(r.getIndexToWorld()),n[0]=t._cubeSource.getOutputData()):Xa("Unable to fetch spatial extents of input image.")},e.getMTime=()=>Math.max(n.getMTime(),t._cubeSource.getMTime()),e.setGenerateFaces=t._cubeSource.setGenerateFaces,e.setGenerateLines=t._cubeSource.setGenerateLines,e.getGenerateFaces=t._cubeSource.getGenerateFaces,e.getGenerateLines=t._cubeSource.getGenerateLines}const qa={};function $a(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,qa,n),gt.obj(e,t),gt.algo(e,t,1,1),t._cubeSource=Ha.newInstance(),gt.moveToProtected(e,t,["cubeSource","tmpOut"]),Ka(e,t)}var Ya={newInstance:gt.newInstance($a,"vtkImageDataOutlineFilter"),extend:$a};const Ja={CLAMP_TO_EDGE:0,REPEAT:1,MIRRORED_REPEAT:2},Qa={NEAREST:0,LINEAR:1,NEAREST_MIPMAP_NEAREST:2,NEAREST_MIPMAP_LINEAR:3,LINEAR_MIPMAP_NEAREST:4,LINEAR_MIPMAP_LINEAR:5};var Za={Wrap:Ja,Filter:Qa};const es=new Float32Array(1),ts=new Int32Array(es.buffer);var ns={fromHalf:function(e){const t=(32768&e)>>15,n=(31744&e)>>10,r=1023&e;return 0===n?(t?-1:1)*2**-14*(r/1024):31===n?r?NaN:1/0*(t?-1:1):(t?-1:1)*2**(n-15)*(1+r/1024)},toHalf:function(e){es[0]=e;const t=ts[0];let n=t>>16&32768,r=t>>12&2047;const o=t>>23&255;return o<103?n:o>142?(n|=31744,n|=(255===o?0:1)&&8388607&t,n):o<113?(r|=2048,n|=(r>>114-o)+(r>>113-o&1),n):(n|=o-112<<10|r>>1,n+=1&r,n)}};const{Wrap:rs,Filter:os}=Za,{VtkDataTypes:is}=Wr,{vtkDebugMacro:as,vtkErrorMacro:ss,vtkWarningMacro:ls}=vt,{toHalf:us}=ns;function cs(e,t){function n(e,n){let r=arguments.length>2&&void 0!==arguments[2]&&arguments[2];const o=[];let i=t.width*t.height*t.components;if(r&&(i*=t.depth),e!==is.FLOAT&&t.openGLDataType===t.context.FLOAT)for(let 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e=!1;if(t.context&&t.handle){let n=0;t.target===t.context.TEXTURE_2D?n=t.context.TEXTURE_BINDING_2D:ls("impossible case"),e=t.context.getIntegerv(n)===t.handle}return e},e.sendParameters=()=>{t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_S,e.getOpenGLWrapMode(t.wrapS)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_T,e.getOpenGLWrapMode(t.wrapT)),t._openGLRenderWindow.getWebgl2()&&t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_R,e.getOpenGLWrapMode(t.wrapR)),t.context.texParameteri(t.target,t.context.TEXTURE_MIN_FILTER,e.getOpenGLFilterMode(t.minificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_MAG_FILTER,e.getOpenGLFilterMode(t.magnificationFilter)),t._openGLRenderWindow.getWebgl2()&&(t.context.texParameteri(t.target,t.context.TEXTURE_BASE_LEVEL,t.baseLevel),t.context.texParameteri(t.target,t.context.TEXTURE_MAX_LEVEL,t.maxLevel)),t.sendParametersTime.modified()},e.getInternalFormat=(n,r)=>(t._forceInternalFormat||(t.internalFormat=e.getDefaultInternalFormat(n,r)),t.internalFormat||as(`Unable to find suitable internal format for T=${n} NC= ${r}`),t.internalFormat),e.getDefaultInternalFormat=(e,n)=>{let r=0;return r=t._openGLRenderWindow.getDefaultTextureInternalFormat(e,n,t.oglNorm16Ext,t.useHalfFloat),r||(r||(as("Unsupported internal texture type!"),as(`Unable to find suitable internal format for T=${e} NC= ${n}`)),r)},e.setInternalFormat=n=>{t._forceInternalFormat=!0,n!==t.internalFormat&&(t.internalFormat=n,e.modified())},e.getFormat=(n,r)=>(t.format=e.getDefaultFormat(n,r),t.format),e.getDefaultFormat=(e,n)=>{if(t._openGLRenderWindow.getWebgl2())switch(n){case 1:return t.context.RED;case 2:return t.context.RG;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}else switch(n){case 1:return t.context.LUMINANCE;case 2:return t.context.LUMINANCE_ALPHA;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}},e.resetFormatAndType=()=>{t.format=0,t.internalFormat=0,t._forceInternalFormat=!1,t.openGLDataType=0},e.getDefaultDataType=e=>{if(t._openGLRenderWindow.getWebgl2())switch(e){case is.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case t.oglNorm16Ext&&!t.useHalfFloat&&is.SHORT:return t.context.SHORT;case t.oglNorm16Ext&&!t.useHalfFloat&&is.UNSIGNED_SHORT:return t.context.UNSIGNED_SHORT;case t.useHalfFloat&&is.SHORT:case t.useHalfFloat&&is.UNSIGNED_SHORT:return t.context.HALF_FLOAT;case is.FLOAT:case is.VOID:default:return t.context.FLOAT}switch(e){case is.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case is.FLOAT:case is.VOID:default:if(t.context.getExtension("OES_texture_float")&&t.context.getExtension("OES_texture_float_linear"))return t.context.FLOAT;{const e=t.context.getExtension("OES_texture_half_float");if(e&&t.context.getExtension("OES_texture_half_float_linear"))return e.HALF_FLOAT_OES}return t.context.UNSIGNED_BYTE}},e.getOpenGLDataType=function(n){let r=arguments.length>1&&void 0!==arguments[1]&&arguments[1];return t.openGLDataType&&!r||(t.openGLDataType=e.getDefaultDataType(n)),t.openGLDataType},e.getShiftAndScale=()=>{let e=0,n=1;switch(t.openGLDataType){case t.context.BYTE:n=127.5,e=n-128;break;case t.context.UNSIGNED_BYTE:n=255,e=0;break;case t.context.SHORT:n=32767.5,e=n-32768;break;case t.context.UNSIGNED_SHORT:n=65536,e=0;break;case t.context.INT:n=2147483647.5,e=n-2147483648;break;case t.context.UNSIGNED_INT:n=4294967295,e=0;case t.context.FLOAT:}return{shift:e,scale:n}},e.getOpenGLFilterMode=e=>{switch(e){case os.NEAREST:return t.context.NEAREST;case os.LINEAR:return t.context.LINEAR;case os.NEAREST_MIPMAP_NEAREST:return t.context.NEAREST_MIPMAP_NEAREST;case os.NEAREST_MIPMAP_LINEAR:return t.context.NEAREST_MIPMAP_LINEAR;case os.LINEAR_MIPMAP_NEAREST:return t.context.LINEAR_MIPMAP_NEAREST;case os.LINEAR_MIPMAP_LINEAR:return t.context.LINEAR_MIPMAP_LINEAR;default:return t.context.NEAREST}},e.getOpenGLWrapMode=e=>{switch(e){case rs.CLAMP_TO_EDGE:return t.context.CLAMP_TO_EDGE;case rs.REPEAT:return t.context.REPEAT;case rs.MIRRORED_REPEAT:return t.context.MIRRORED_REPEAT;default:return t.context.CLAMP_TO_EDGE}},e.create2DFromRaw=function(i,a,s,l,u){let c=arguments.length>5&&void 0!==arguments[5]&&arguments[5];if(e.getOpenGLDataType(l,!0),e.getInternalFormat(l,s),e.getFormat(l,s),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=s,t.width=i,t.height=a,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=[u],p=n(l,d),f=r(p);return t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,c),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(l)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=f[0]&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,f[0])):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,f[0]),t.generateMipmap&&t.context.generateMipmap(t.target),c&&t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,!1),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*s*t._openGLRenderWindow.getDefaultTextureByteSize(l,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.createCubeFromRaw=(i,a,s,l,u)=>{if(e.getOpenGLDataType(l),e.getInternalFormat(l,s),e.getFormat(l,s),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_CUBE_MAP,t.components=s,t.width=i,t.height=a,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),t.maxLevel=u.length/6-1,e.createTexture(),e.bind();const c=r(n(l,u)),d=[];let p=t.width,f=t.height;for(let e=0;e=1&&i>=1;){let a=null;n<=t.maxLevel&&(a=d[6*n+e]),o(l)?null!=a&&t.context.texSubImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,0,0,r,i,t.format,t.openGLDataType,a):t.context.texImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,t.internalFormat,r,i,0,t.format,t.openGLDataType,a),n++,r/=2,i/=2}}return t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*s*t._openGLRenderWindow.getDefaultTextureByteSize(l,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.createDepthFromRaw=(n,r,i,a)=>(e.getOpenGLDataType(i),t.format=t.context.DEPTH_COMPONENT,t._openGLRenderWindow.getWebgl2()?i===is.FLOAT?t.internalFormat=t.context.DEPTH_COMPONENT32F:t.internalFormat=t.context.DEPTH_COMPONENT16:t.internalFormat=t.context.DEPTH_COMPONENT,t.internalFormat&&t.format&&t.openGLDataType?(t.target=t.context.TEXTURE_2D,t.components=1,t.width=n,t.height=r,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(i)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=a&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,a)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,a),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(i,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0):(ss("Failed to determine texture parameters."),!1)),e.create2DFromImage=n=>{if(e.getOpenGLDataType(is.UNSIGNED_CHAR),e.getInternalFormat(is.UNSIGNED_CHAR,4),e.getFormat(is.UNSIGNED_CHAR,4),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=4,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1);const r=!(t._openGLRenderWindow.getWebgl2()||On(n.width)&&On(n.height)),i=document.createElement("canvas");i.width=r?In(n.width):n.width,i.height=r?In(n.height):n.height,t.width=i.width,t.height=i.height;const a=i.getContext("2d");a.translate(0,i.height),a.scale(1,-1),a.drawImage(n,0,0,n.width,n.height,0,0,i.width,i.height);const s=i;return o(is.UNSIGNED_CHAR)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=s&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,s)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,s),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(is.UNSIGNED_CHAR,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.create2DFilterableFromRaw=function(t,n,r,o,i){let a=arguments.length>5&&void 0!==arguments[5]&&arguments[5];return e.create2DFilterableFromDataArray(t,n,Wr.newInstance({numberOfComponents:r,dataType:o,values:i}),a)},e.create2DFilterableFromDataArray=function(t,n,r){let o=arguments.length>3&&void 0!==arguments[3]&&arguments[3];const{numComps:a,dataType:s,data:l}=i(r,o);e.create2DFromRaw(t,n,a,s,l)},e.create3DFromRaw=(i,a,s,l,u,c)=>{if(e.getOpenGLDataType(u),e.getInternalFormat(u,l),e.getFormat(u,l),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_3D,t.components=l,t.width=i,t.height=a,t.depth=s,t.numberOfDimensions=3,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=r(n(u,[c],!0));return 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I=Math.floor(n/x),O=Math.floor(r/_);for(let e=0;e{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.getMaximumTextureSize=e=>e&&e.isCurrent()?e.getIntegerv(e.MAX_TEXTURE_SIZE):-1}const ds={_openGLRenderWindow:null,_forceInternalFormat:!1,context:null,handle:0,sendParametersTime:null,textureBuildTime:null,numberOfDimensions:0,target:0,format:0,openGLDataType:0,components:0,width:0,height:0,depth:0,autoParameters:!0,wrapS:rs.CLAMP_TO_EDGE,wrapT:rs.CLAMP_TO_EDGE,wrapR:rs.CLAMP_TO_EDGE,minificationFilter:os.NEAREST,magnificationFilter:os.NEAREST,minLOD:-1e3,maxLOD:1e3,baseLevel:0,maxLevel:1e3,generateMipmap:!1,useHalfFloat:!0,oglNorm16Ext:null,allocatedGPUMemoryInBytes:0};function ps(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ds,n),Tt.extend(e,t,n),t.sendParametersTime={},je(t.sendParametersTime,{mtime:0}),t.textureBuildTime={},je(t.textureBuildTime,{mtime:0}),qe(e,t,["format","openGLDataType"]),$e(e,t,["keyMatrixTime","minificationFilter","magnificationFilter","wrapS","wrapT","wrapR","generateMipmap","oglNorm16Ext"]),He(e,t,["width","height","volumeInfo","components","handle","target","allocatedGPUMemoryInBytes"]),Ze(0,t,["openGLRenderWindow"]),cs(e,t)}const fs=rt(ps,"vtkOpenGLTexture");var hs={newInstance:fs,extend:ps,...Za};Dt("vtkTexture",fs);var ms=function(e,t){e.replaceShaderCoincidentOffset=(n,r,o)=>{const i=e.getCoincidentParameters(r,o);if(i&&(0!==i.factor||0!==i.offset)){let e=n.Fragment;e=Ca.substitute(e,"//VTK::Coincident::Dec",["uniform float cfactor;","uniform float coffset;"]).result,t.context.getExtension("EXT_frag_depth")&&(0!==i.factor?(e=Ca.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + 0.000016*coffset;").result),t._openGLRenderWindow.getWebgl2()&&(0!==i.factor?(e=Ca.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + 0.000016*coffset;").result),n.Fragment=e}}},gs=function(e,t){e.applyShaderReplacements=(e,t,n)=>{let r=null;if(t&&(r=t.ShaderReplacements),r)for(let t=0;t{e.getReplacedShaderTemplate(n,r,o),t.lastRenderPassShaderReplacement=t.currentRenderPass?t.currentRenderPass.getShaderReplacement():null,t.lastRenderPassShaderReplacement&&t.lastRenderPassShaderReplacement(n);const i=t.renderable.getViewSpecificProperties().OpenGL;e.applyShaderReplacements(n,i,!0),e.replaceShaderValues(n,r,o),e.applyShaderReplacements(n,i)},e.getReplacedShaderTemplate=(n,r,o)=>{const i=t.renderable.getViewSpecificProperties().OpenGL;e.getShaderTemplate(n,r,o);let a=n.Vertex;if(i){const e=i.VertexShaderCode;void 0!==e&&""!==e&&(a=e)}n.Vertex=a;let s=n.Fragment;if(i){const e=i.FragmentShaderCode;void 0!==e&&""!==e&&(s=e)}n.Fragment=s;let l=n.Geometry;if(i){const e=i.GeometryShaderCode;void 0!==e&&(l=e)}n.Geometry=l}};let vs;function ys(e,t){t.classHierarchy.push("vtkAbstractTransform","vtkHomogeneousTransform","vtkTransform"),e.transformPoint=(e,n)=>(Yt(n,e,t.matrix),n),e.transformPoints=(e,n)=>{const r=new Float64Array(3),o=new Float64Array(3);for(let i=0;i{e.setPreMultiplyFlag(!0)},e.postMultiply=()=>{e.setPreMultiplyFlag(!1)},e.transformMatrix=(e,n)=>(t.preMultiplyFlag?y(n,t.matrix,e):y(n,e,t.matrix),n),e.transformMatrices=(e,n)=>{const r=new Float64Array(16),o=new Float64Array(16),i=t.preMultiplyFlag?()=>y(o,t.matrix,r):()=>y(o,r,t.matrix);for(let t=0;tvs({matrix:Pr.invertMatrix(Array.from(t.matrix),[],4),preMultiplyFlag:t.preMultiplyFlag})}const bs={preMultiplyFlag:!1,matrix:[...un]};function xs(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,bs,n),gt.obj(e,t),gt.setGet(e,t,["preMultiplyFlag"]),gt.setGetArray(e,t,["matrix"],16),ys(e,t)}vs=gt.newInstance(xs,"vtkTransform");var _s={newInstance:vs,extend:xs};const Ts=0,{vtkErrorMacro:Ss}=vt;function ws(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function Cs(e,t,n){return t.identity(n),e.reduce(((e,n,r)=>0===r?n?t.copy(e,n):t.identity(e):n?t.multiply(e,e,n):e),n)}function As(e,t){t.classHierarchy.push("vtkOpenGLImageResliceMapper"),e.buildPass=n=>{if(n){t.currentRenderPass=null,t._openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const n=t._openGLRenderer.getRenderable();t._openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera()),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow)}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t._openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getInputData(),t.currentInput?(e.updateResliceGeometry(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r),e.invokeEvent({type:"EndEvent"})):Ss("No input!")},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),r.getProperty().getInterpolationType()===Ts?(t.openGLTexture.setMinificationFilter(Qa.NEAREST),t.openGLTexture.setMagnificationFilter(Qa.NEAREST),t.colorTexture.setMinificationFilter(Qa.NEAREST),t.colorTexture.setMagnificationFilter(Qa.NEAREST),t.pwfTexture.setMinificationFilter(Qa.NEAREST),t.pwfTexture.setMagnificationFilter(Qa.NEAREST)):(t.openGLTexture.setMinificationFilter(Qa.LINEAR),t.openGLTexture.setMagnificationFilter(Qa.LINEAR),t.colorTexture.setMinificationFilter(Qa.LINEAR),t.colorTexture.setMagnificationFilter(Qa.LINEAR),t.pwfTexture.setMinificationFilter(Qa.LINEAR),t.pwfTexture.setMagnificationFilter(Qa.LINEAR)),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const r=t.currentInput;if(!r)return;const o=r.getPointData()?.getScalars();if(!o)return;t._scalars!==o&&(t._openGLRenderWindow.releaseGraphicsResourcesForObject(t._scalars),t._scalars=o);const i=o.getNumberOfComponents();let a=`${r.getMTime()}A${o.getMTime()}`;const s=t._openGLRenderWindow.getGraphicsResourceForObject(o);if(s?.vtkObj&&s?.hash===a&&t.openGLTextureString===a)t.openGLTexture=s.vtkObj,t.openGLTextureString=s.hash;else{t.openGLTexture||(t.openGLTexture=hs.newInstance(),t.openGLTexture.setOpenGLRenderWindow(t._openGLRenderWindow));const e=r.getDimensions();t.openGLTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.openGLTexture.releaseGraphicsResources(t._openGLRenderWindow),t.openGLTexture.resetFormatAndType(),t.openGLTexture.create3DFilterableFromDataArray(e[0],e[1],e[2],o),t.openGLTextureString=a,o&&t._openGLRenderWindow.setGraphicsResourceForObject(o,t.openGLTexture,t.openGLTextureString)}const l=n.getProperty(),u=l.getIndependentComponents(),c=u?i:1,d=u?2*c:1,p=l.getRGBTransferFunction();a=ws(l,p,c);const f=t._openGLRenderWindow.getGraphicsResourceForObject(p);if(f?.vtkObj&&f?.hash===a&&t.colorTextureString===a)t.colorTexture=f.vtkObj,t.colorTextureString=f.hash;else{const e=1024,n=new Uint8Array(e*d*3);if(t.colorTexture||(t.colorTexture=hs.newInstance(),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow)),p){const r=new Float32Array(3*e);for(let t=0;t0){const e=t.resliceGeom.getPointData().getNormals();e?r.normals=e:Ss("Slab mode requested without normals")}t.tris.getCABO().createVBO(n,"polys",ua.SURFACE,r)}t.VBOBuildString=g,t.VBOBuildTime.modified()},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const i=n.getProgram();if(n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())){i.isUniformUsed("texture1")&&i.setUniformi("texture1",t.openGLTexture.getTextureUnit()),i.isAttributeUsed("vertexWC")&&(n.getVAO().addAttributeArray(i,n.getCABO(),"vertexWC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ss("Error setting vertexWC in shader VAO.")),i.isAttributeUsed("normalWC")&&(n.getVAO().addAttributeArray(i,n.getCABO(),"normalWC",n.getCABO().getNormalOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ss("Error setting normalWC in shader VAO.")),i.isUniformUsed("slabThickness")&&i.setUniformf("slabThickness",t.renderable.getSlabThickness()),i.isUniformUsed("spacing")&&i.setUniform3fv("spacing",t.currentInput.getSpacing()),i.isUniformUsed("slabType")&&i.setUniformi("slabType",t.renderable.getSlabType()),i.isUniformUsed("slabType")&&i.setUniformi("slabType",t.renderable.getSlabType()),i.isUniformUsed("slabTrapezoid")&&i.setUniformi("slabTrapezoid",t.renderable.getSlabTrapezoidIntegration());const e=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null;if(i.isUniformUsed("WCTCMatrix")){const n=t.currentInput,r=n.getDimensions();c(t.tmpMat4,n.getIndexToWorld()),x(t.tmpMat4,t.tmpMat4,r),m(t.tmpMat4,t.tmpMat4),e&&y(t.tmpMat4,t.tmpMat4,e),i.setUniformMatrix("WCTCMatrix",t.tmpMat4)}i.isUniformUsed("vboScaling")&&i.setUniform3fv("vboScaling",n.getCABO().getCoordScale()),n.getAttributeUpdateTime().modified()}if(t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),n.getProgram().isUniformUsed("coffset")){const t=e.getCoincidentParameters(r,o);n.getProgram().setUniformf("coffset",t.offset),n.getProgram().isUniformUsed("cfactor")&&n.getProgram().setUniformf("cfactor",t.factor)}},e.setCameraShaderParameters=(e,n,o)=>{const i=t._openGLCamera.getKeyMatrices(n),a=t._openGLImageSlice.getKeyMatrices(),s=e.getCABO().getCoordShiftAndScaleEnabled()?e.getCABO().getInverseShiftAndScaleMatrix():null,l=e.getProgram();l.isUniformUsed("MCPCMatrix")&&(f(t.tmpMat4),l.setUniformMatrix("MCPCMatrix",Cs([i.wcpc,a.mcwc,s],r,t.tmpMat4))),l.isUniformUsed("MCVCMatrix")&&(f(t.tmpMat4),l.setUniformMatrix("MCVCMatrix",Cs([i.wcvc,a.mcwc,s],r,t.tmpMat4)))},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),i=r.getProperty(),a=i.getOpacity();o.setUniformf("opacity",a);const s=t.openGLTexture.getComponents(),l=i.getIndependentComponents();if(l)for(let e=0;e{const o=t.openGLTexture.getComponents(),i=r.getProperty().getIndependentComponents(),a=t.renderable.getSlabThickness(),s=t.renderable.getSlabType(),l=t.renderable.getSlabTrapezoidIntegration();let u=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(u=!0),!(!u&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&0!==e.getProgram()?.getHandle()&&t.lastTextureComponents===o&&t.lastIndependentComponents===i&&t.lastSlabThickness===a&&t.lastSlabType===s&&t.lastSlabTrapezoidIntegration===l||(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=i,t.lastSlabThickness=a,t.lastSlabType=s,t.lastSlabTrapezoidIntegration=l,0))},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkImageResliceMapperVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\n// all variables that represent positions or directions have a suffix\n// indicating the coordinate system they are in. The possible values are\n// MC - Model coordinates\n// WC - World coordinates\n// VC - View coordinates\n// DC - Display coordinates\n// TC - Texture coordinates\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\nvoid main()\n{\n //VTK::PositionVC::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Picking::Impl\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkImageResliceMapperFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the gpu image mapper fragment shader\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n // VC position of this fragment. This should not branch/return/discard.\n //VTK::PositionVC::Impl\n\n // Place any calls that require uniform flow (e.g. dFdx) here.\n //VTK::UniformFlow::Impl\n\n // Set gl_FragDepth here (gl_FragCoord.z by default)\n //VTK::Depth::Impl\n\n // Early depth peeling abort:\n //VTK::DepthPeeling::PreColor\n\n //VTK::TCoord::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n\n //VTK::DepthPeeling::Impl\n\n //VTK::Picking::Impl\n\n // handle coincident offsets\n //VTK::Coincident::Impl\n\n //VTK::ZBuffer::Impl\n\n //VTK::RenderPassFragmentShader::Impl\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{if(e.replaceShaderTCoord(n,r,o),e.replaceShaderPositionVC(n,r,o),t.haveSeenDepthRequest){let e=n.Fragment;e=Ca.substitute(e,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,e=Ca.substitute(e,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result,n.Fragment=e}e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderTCoord=(e,n,r)=>{let o=e.Vertex;const i=e.Geometry;let a=e.Fragment;const s=t.renderable.getSlabThickness();o=Ca.substitute(o,"//VTK::TCoord::Dec",["uniform mat4 WCTCMatrix;","out vec3 fragTexCoord;"]).result,o=Ca.substitute(o,"//VTK::TCoord::Impl",["fragTexCoord = (WCTCMatrix * vertexWC).xyz;"]).result;const l=t.openGLTexture.getComponents(),u=r.getProperty().getIndependentComponents();let c=["in vec3 fragTexCoord;","uniform highp sampler3D texture1;","uniform mat4 WCTCMatrix;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;"];if(u){for(let e=1;e0&&(c=c.concat(["uniform vec3 spacing;","uniform float slabThickness;","uniform int slabType;","uniform int slabTrapezoid;","uniform vec3 vboScaling;"]),c=c.concat(["vec4 compositeValue(vec4 currVal, vec4 valToComp, int trapezoid)","{"," vec4 retVal = vec4(1.0);"," if (slabType == 0) // min"," {"," retVal = min(currVal, valToComp);"," }"," else if (slabType == 1) // max"," {"," retVal = max(currVal, valToComp);"," }"," else if (slabType == 3) // sum"," {"," retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); "," }"," else // mean"," {"," retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); "," }"," return retVal;","}"])),a=Ca.substitute(a,"//VTK::TCoord::Dec",c).result;let d=["if (any(greaterThan(fragTexCoord, vec3(1.0))) || any(lessThan(fragTexCoord, vec3(0.0))))","{"," // set the background color and exit"," gl_FragData[0] = backgroundColor;"," return;","}","vec4 tvalue = texture(texture1, fragTexCoord);"];if(s>0&&(d=d.concat(["// Get the first and last samples","int numSlices = 1;","float scaling = min(min(spacing.x, spacing.y), spacing.z) * 0.5;","vec3 normalxspacing = scaling * normalWCVSOutput;","float distTraveled = length(normalxspacing);","int trapezoid = 0;","while (distTraveled < slabThickness * 0.5)","{"," distTraveled += length(normalxspacing);"," float fnumSlices = float(numSlices);"," if (distTraveled > slabThickness * 0.5)"," {"," // Before stepping outside the slab, sample at the boundaries"," normalxspacing = normalWCVSOutput * slabThickness * 0.5 / fnumSlices;"," trapezoid = slabTrapezoid;"," }"," vec3 fragTCoordNeg = (WCTCMatrix * vec4(vertexWCVSOutput.xyz - fnumSlices * normalxspacing * vboScaling, 1.0)).xyz;"," if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))"," {"," vec4 newVal = texture(texture1, fragTCoordNeg);"," tvalue = compositeValue(tvalue, newVal, trapezoid);"," numSlices += 1;"," }"," vec3 fragTCoordPos = (WCTCMatrix * vec4(vertexWCVSOutput.xyz + fnumSlices * normalxspacing * vboScaling, 1.0)).xyz;"," if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))"," {"," vec4 newVal = texture(texture1, fragTCoordPos);"," tvalue = compositeValue(tvalue, newVal, trapezoid);"," numSlices += 1;"," }","}","// Finally, if slab type is *mean*, divide the sum by the numSlices","if (slabType == 2)","{"," tvalue = tvalue / float(numSlices);","}"])),u){const e=["r","g","b","a"];for(let t=0;t{let i=n.Vertex;const a=n.Geometry;let s=n.Fragment;const l=t.renderable.getSlabThickness();let u=["attribute vec4 vertexWC;"];u=u.concat([`//${e.getMTime()}${t.resliceGeomUpdateString}`]),l>0&&(u=u.concat(["attribute vec3 normalWC;","varying vec3 normalWCVSOutput;","varying vec4 vertexWCVSOutput;"])),i=Ca.substitute(i,"//VTK::PositionVC::Dec",u).result;let c=["gl_Position = MCPCMatrix * vertexWC;"];l>0&&(c=c.concat(["normalWCVSOutput = normalWC;","vertexWCVSOutput = vertexWC;"])),i=Ca.substitute(i,"//VTK::PositionVC::Impl",c).result,i=Ca.substitute(i,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;","uniform mat4 MCVCMatrix;"]).result;let d=[];l>0&&(d=d.concat(["varying vec3 normalWCVSOutput;","varying vec4 vertexWCVSOutput;"])),s=Ca.substitute(s,"//VTK::PositionVC::Dec",d).result,n.Vertex=i,n.Geometry=a,n.Fragment=s},e.updateResliceGeometry=()=>{let e="";const n=t.currentInput,r=n?.getBounds();let o=!0,a=2;const s=t.renderable.getSlicePolyData(),l=t.renderable.getSlicePlane();if(s)e=e.concat(`PolyData${s.getMTime()}`);else if(l){e=e.concat(`Plane${l.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`));const t=function(e,t,n,r,o,a,s,l,u){var c=new i(9);return c[0]=e,c[1]=void 0,c[2]=void 0,c[3]=void 0,c[4]=void 0,c[5]=void 0,c[6]=void 0,c[7]=void 0,c[8]=void 0,c}(n?.getDirection());se(t,t);const r=[...l.getNormal()];Jt(r,r,t),[o,a]=function(e){Pr.normalize(e);const t=[0,0,0];for(let n=0;n<3;++n){Qt(t),t[n]=1;const r=Pr.dot(e,t);if(r<-.999||r>.999)return[!0,n]}return[!1,2]}(r)}else{const o=Ii.newInstance();o.setNormal(0,0,1);let i=[0,1,0,1,0,1];n&&(i=r),o.setOrigin(i[0],i[2],.5*(i[5]+i[4])),t.renderable.setSlicePlane(o),e=e.concat(`Plane${l?.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`))}if(!t.resliceGeom||t.resliceGeomUpdateString!==e){if(s)t.resliceGeom||(t.resliceGeom=ji.newInstance()),t.resliceGeom.getPoints().setData(s.getPoints().getData(),3),t.resliceGeom.getPolys().setData(s.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(s.getPointData().getNormals());else if(l)if(o){const e=new Float32Array(12),r=n.worldToIndex(l.getOrigin(),[0,0,0]),o=[(a+1)%3,(a+2)%3].sort(),i=n.getDimensions(),s=[0,i[0]-1,0,i[1]-1,0,i[2]-1];let u=0;for(let t=0;t<2;++t)for(let n=0;n<2;++n)e[u+a]=r[a],e[u+o[0]]=s[2*o[0]+n],e[u+o[1]]=s[2*o[1]+t],u+=3;t.transform.setMatrix(n.getIndexToWorld()),t.transform.transformPoints(e,e);const c=new Uint16Array(8);c[0]=3,c[1]=0,c[2]=1,c[3]=3,c[4]=3,c[5]=0,c[6]=3,c[7]=2;const d=l.getNormal();Pr.normalize(d);const p=new Float32Array(12);for(let e=0;e<4;++e)p[3*e]=d[0],p[3*e+1]=d[1],p[3*e+2]=d[2];t.resliceGeom||(t.resliceGeom=ji.newInstance()),t.resliceGeom.getPoints().setData(e,3),t.resliceGeom.getPolys().setData(c,1);const f=Wr.newInstance({numberOfComponents:3,values:p,name:"Normals"});t.resliceGeom.getPointData().setNormals(f)}else{t.outlineFilter.setInputData(n),t.cutter.setInputConnection(t.outlineFilter.getOutputPort()),t.cutter.setCutFunction(l),t.lineToSurfaceFilter.setInputConnection(t.cutter.getOutputPort()),t.lineToSurfaceFilter.update(),t.resliceGeom||(t.resliceGeom=ji.newInstance());const e=t.lineToSurfaceFilter.getOutputData();t.resliceGeom.getPoints().setData(e.getPoints().getData(),3),t.resliceGeom.getPolys().setData(e.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(e.getPointData().getNormals());const r=l.getNormal(),o=t.resliceGeom.getNumberOfPoints();Pr.normalize(r);const i=new Float32Array(3*o);for(let e=0;e{e&&(t.openGLTexture=e,t._externalOpenGLTexture=!0)}}const Es={VBOBuildTime:{},VBOBuildString:null,haveSeenDepthRequest:!1,lastHaveSeenDepthRequest:!1,lastIndependentComponents:!1,lastTextureComponents:0,lastSlabThickness:0,lastSlabTrapezoidIntegration:0,lastSlabType:-1,openGLTexture:null,openGLTextureString:null,colorTextureString:null,pwfTextureString:null,resliceGeom:null,resliceGeomUpdateString:null,tris:null,colorTexture:null,pwfTexture:null,_externalOpenGLTexture:!1,_scalars:null};const Ds=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Es,n),Tt.extend(e,t,n),ms(e,t,n),gs(e,t,n),t.tris=Ra.newInstance(),t.openGLTexture=null,t.colorTexture=null,t.pwfTexture=null,t.VBOBuildTime={},je(t.VBOBuildTime),t.tmpMat4=f(new Float64Array(16)),t.outlineFilter=Ya.newInstance(),t.outlineFilter.setGenerateFaces(!0),t.outlineFilter.setGenerateLines(!1),t.cubePolyData=ji.newInstance(),t.cutter=ea.newInstance(),t.lineToSurfaceFilter=$i.newInstance(),t.transform=_s.newInstance(),He(e,t,["openGLTexture"]),As(e,t)}),"vtkOpenGLImageResliceMapper");Dt("vtkImageResliceMapper",Ds);var Is={SlicingMode:{NONE:-1,I:0,J:1,K:2,X:3,Y:4,Z:5}},Os="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexMC;\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// optional normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// material property values\n//VTK::Color::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// picking support\n//VTK::Picking::Dec\n\nvoid main()\n{\n //VTK::Color::Impl\n\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Clip::Impl\n\n //VTK::PrimID::Impl\n\n //VTK::PositionVC::Impl\n\n //VTK::Light::Impl\n\n //VTK::Picking::Impl\n}\n",Ps="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the polydata mappers fragment shader\n\nuniform int PrimitiveIDOffset;\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// optional color passed in from the vertex shader, vertexColor\n//VTK::Color::Dec\n\n// optional surface normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// Depth Peeling Support\n//VTK::DepthPeeling::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// label outline \n//VTK::LabelOutline::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n//VTK::LabelOutlineHelperFunction\n\nvoid main()\n{\n // VC position of this fragment. This should not branch/return/discard.\n //VTK::PositionVC::Impl\n\n // Place any calls that require uniform flow (e.g. dFdx) here.\n //VTK::UniformFlow::Impl\n\n // Set gl_FragDepth here (gl_FragCoord.z by default)\n //VTK::Depth::Impl\n\n // Early depth peeling abort:\n //VTK::DepthPeeling::PreColor\n\n // Apple Bug\n //VTK::PrimID::Impl\n\n //VTK::Clip::Impl\n\n //VTK::Color::Impl\n\n // Generate the normal if we are not passed in one\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Light::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n\n //VTK::DepthPeeling::Impl\n\n //VTK::Picking::Impl\n\n // handle coincident offsets\n //VTK::Coincident::Impl\n\n //VTK::ZBuffer::Impl\n\n //VTK::RenderPassFragmentShader::Impl\n}\n";const{vtkErrorMacro:Ns}=vt,{SlicingMode:Ms}=Is;function Rs(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function Fs(e){const t=e.split("\n"),n=[];for(let e=0;e0&&n.push(r)}return n}function ks(e,t){t.classHierarchy.push("vtkOpenGLImageMapper"),e.buildPass=n=>{if(n){t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow);const n=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera()),t.renderable.isA("vtkImageMapper")&&t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(n.getActiveCamera())}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.getShaderTemplate=(e,t,n)=>{e.Vertex=Os,e.Fragment=Ps,e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let i=n.Vertex,a=n.Fragment;i=Ca.substitute(i,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,i=Ca.substitute(i,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result,i=Ca.substitute(i,"//VTK::TCoord::Impl","tcoordVCVSOutput = tcoordMC;").result,i=Ca.substitute(i,"//VTK::TCoord::Dec","attribute vec2 tcoordMC; varying vec2 tcoordVCVSOutput;").result;const s=t.openGLTexture.getComponents(),l=o.getProperty().getIndependentComponents();let u=["varying vec2 tcoordVCVSOutput;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D texture1;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform sampler2D labelOutlineTexture1;","uniform float opacity;","uniform float outlineOpacity;"];if(l){for(let e=1;e 0.01) {\n for (int i = -actualThickness; i <= actualThickness; i++) {\n for (int j = -actualThickness; j <= actualThickness; j++) {\n if (i == 0 || j == 0) {\n continue;\n }\n vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n gl_FragCoord.y + float(j),\n gl_FragCoord.z, gl_FragCoord.w);\n vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n float value = texture2D(texture1, neighborPosIS.xy).r;\n if (value != centerValue) {\n pixelOnBorder = true;\n break;\n }\n }\n if (pixelOnBorder == true) {\n break;\n }\n }\n if (pixelOnBorder == true) {\n gl_FragData[0] = vec4(tColor, outlineOpacity);\n }\n else {\n gl_FragData[0] = vec4(tColor, opacityToUse);\n }\n }\n #else\n float intensity = texture2D(texture1, tcoordVCVSOutput).r;\n vec3 tcolor = texture2D(colorTexture1, vec2(intensity * cscale0 + cshift0, 0.5)).rgb;\n float scalarOpacity = texture2D(pwfTexture1, vec2(intensity * pwfscale0 + pwfshift0, 0.5)).r;\n gl_FragData[0] = vec4(tcolor, scalarOpacity * opacity);\n #endif\n ")]).result;break;case 2:a=Ca.substitute(a,"//VTK::TCoord::Impl",["vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);","float intensity = tcolor.r*cscale0 + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(intensity, 0.5)).rgb, pwfscale0*tcolor.g + pwfshift0);"]).result;break;case 3:a=Ca.substitute(a,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, opacity);"]).result;break;default:a=Ca.substitute(a,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, tcolor.a);"]).result}t.haveSeenDepthRequest&&(a=Ca.substitute(a,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,a=Ca.substitute(a,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),n.Vertex=i,n.Fragment=a,e.replaceShaderClip(n,r,o),e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderClip=(e,n,r)=>{let o=e.Vertex,i=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(Ce("OpenGL has a limit of 6 clipping planes"),e=6),o=Ca.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=Ca.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,i=Ca.substitute(i,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,i=Ca.substitute(i,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=i},e.getNeedToRebuildShaders=(e,n,r)=>{const o=t.openGLTexture.getComponents(),i=r.getProperty().getIndependentComponents();let a=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(a=!0),!(!a&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&0!==e.getProgram()?.getHandle()&&t.lastTextureComponents===o&&t.lastIndependentComponents===i||(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=i,0))},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ns("Error setting vertexMC in shader VAO.")),n.getProgram().isAttributeUsed("tcoordMC")&&n.getCABO().getTCoordOffset()&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"tcoordMC",n.getCABO().getTCoordOffset(),n.getCABO().getStride(),t.context.FLOAT,n.getCABO().getTCoordComponents(),t.context.FALSE)||Ns("Error setting tcoordMC in shader VAO.")),n.getAttributeUpdateTime().modified());const i=t.openGLTexture.getTextureUnit();n.getProgram().setUniformi("texture1",i);const a=t.openGLTexture.getComponents(),s=o.getProperty().getIndependentComponents();if(s)for(let e=0;e6&&(Ce("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,i=r?c(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(h(i,i),y(i,i,r),h(i,i)),h(t.imagemat,t.currentInput.getIndexToWorld()),y(t.imagematinv,i,t.imagemat);const a=[];for(let n=0;n{const i=n.getProgram(),a=t.openGLImageSlice.getKeyMatrices(),s=t.currentInput,l=s.getIndexToWorld();y(t.imagemat,a.mcwc,l);const u=t.openGLCamera.getKeyMatrices(r);if(y(t.imagemat,u.wcpc,t.imagemat),n.getCABO().getCoordShiftAndScaleEnabled()){const e=n.getCABO().getInverseShiftAndScaleMatrix();y(t.imagemat,t.imagemat,e)}if(i.setUniformMatrix("MCPCMatrix",t.imagemat),!0===o.getProperty().getUseLabelOutline()){const n=s.getWorldToIndex(),o=s.getDimensions();i.setUniform3i("imageDimensions",o[0],o[1],1),i.setUniformMatrix("vWCtoIDX",n);const a=t.openGLCamera.getKeyMatrices(r);m(t.projectionToWorld,a.wcpc),t.openGLCamera.getKeyMatrices(r),i.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const l=e.getRenderTargetSize();i.setUniformf("vpWidth",l[0]),i.setUniformf("vpHeight",l[1]);const u=e.getRenderTargetOffset();i.setUniformf("vpOffsetX",u[0]/l[0]),i.setUniformf("vpOffsetY",u[1]/l[1])}},e.setPropertyShaderParameters=(e,t,n)=>{const r=e.getProgram(),o=n.getProperty().getOpacity();r.setUniformf("opacity",o)},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),t.labelOutlineThicknessTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),t.labelOutlineThicknessTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getCurrentImage(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):Ns("No input!")},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():yr(t.bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const o=t.currentInput;if(!o)return;const i=o.getPointData()&&o.getPointData().getScalars();if(!i)return;const a=i.getDataType(),s=i.getNumberOfComponents(),l=r.getProperty(),u=l.getInterpolationType(),c=l.getIndependentComponents(),d=c?s:1,p=c?2*d:1,f=l.getRGBTransferFunction(),h=Rs(l,f,d),m=t._openGLRenderWindow.getGraphicsResourceForObject(f);if(m?.vtkObj&&m?.hash===h&&t.colorTextureString===h)t.colorTexture=m.vtkObj,t.colorTextureString=m.hash;else{const e=1024,n=new Uint8Array(e*p*3);if(t.colorTexture||(t.colorTexture=hs.newInstance({resizable:!0}),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow)),u===Ts?(t.colorTexture.setMinificationFilter(Qa.NEAREST),t.colorTexture.setMagnificationFilter(Qa.NEAREST)):(t.colorTexture.setMinificationFilter(Qa.LINEAR),t.colorTexture.setMagnificationFilter(Qa.LINEAR)),f){const r=new Float32Array(3*e);for(let t=0;t1?1:0;const d=[Ms.X,Ms.Y,Ms.Z].includes(t.renderable.getSlicingMode())?x:_,p=o.getSpatialExtent(),f=i.getData();let h=null;if(b===Ms.I){h=new f.constructor(e[2]*e[1]*s);let t=0;for(let n=0;n{t.labelOutlineThicknessTexture||(t.labelOutlineThicknessTexture=hs.newInstance({resizable:!1}),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow));const n=e.getProperty().getLabelOutlineThickness(),r=t._openGLRenderWindow.getGraphicsResourceForObject(n),o=`${n.join("-")}`;if(r?.vtkObj&&r?.hash===o&&t.labelOutlineThicknessTextureString===o)t.labelOutlineThicknessTexture=r.vtkObj,t.labelOutlineThicknessTextureString=r.hash;else{const e=1024,r=1,i=new Uint8Array(e*r);for(let t=0;t{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]}}const Ls={VBOBuildTime:0,VBOBuildString:null,openGLTexture:null,tris:null,imagemat:null,imagematinv:null,colorTexture:null,pwfTexture:null,labelOutlineThicknessTexture:null,labelOutlineThicknessTextureString:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,_scalars:null};const Bs=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ls,n),Tt.extend(e,t,n),ms(e,t,n),gs(e,t,n),t.tris=Ra.newInstance(),t.imagemat=f(new Float64Array(16)),t.imagematinv=f(new Float64Array(16)),t.projectionToWorld=f(new Float64Array(16)),t.idxToView=f(new Float64Array(16)),t.idxNormalMatrix=ae(new Float64Array(9)),t.modelToView=f(new Float64Array(16)),t.projectionToView=f(new Float64Array(16)),$e(e,t,[]),t.VBOBuildTime={},je(t.VBOBuildTime),ks(e,t)}),"vtkOpenGLImageMapper");Dt("vtkAbstractImageMapper",Bs);const{vtkErrorMacro:Vs}=gt;function Us(e,t,n){if(t.apply(e)){const t=e.getIndependentComponents();return`${e.getMTime()}-${t}-${n}`}return"0"}function Gs(e,t){t.classHierarchy.push("vtkOpenGLImageCPRMapper"),e.buildPass=n=>{n&&(t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.openGLCamera=t._openGLRenderer.getViewNodeFor(t._openGLRenderer.getRenderable().getActiveCamera()),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.volumeTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.pwfTexture.setOpenGLRenderWindow(t._openGLRenderWindow))},e.opaquePass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.opaqueZBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),e.invokeEvent({type:"EndEvent"}),t.renderable.preRenderCheck()&&(t.currentImageDataInput=t.renderable.getInputData(0),t.currentCenterlineInput=t.renderable.getOrientedCenterline(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r))},e.renderPieceStart=(t,n)=>{e.updateBufferObjects(t,n)},e.renderPieceDraw=(n,r)=>{const o=t.context;t.volumeTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.volumeTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>{const o=t.VBOBuildTime.getMTime();return o{const r=t.currentImageDataInput,o=t.currentCenterlineInput;n.getProperty().getInterpolationType()===Ts?(t.volumeTexture.setMinificationFilter(Qa.NEAREST),t.volumeTexture.setMagnificationFilter(Qa.NEAREST),t.colorTexture.setMinificationFilter(Qa.NEAREST),t.colorTexture.setMagnificationFilter(Qa.NEAREST),t.pwfTexture.setMinificationFilter(Qa.NEAREST),t.pwfTexture.setMagnificationFilter(Qa.NEAREST)):(t.volumeTexture.setMinificationFilter(Qa.LINEAR),t.volumeTexture.setMagnificationFilter(Qa.LINEAR),t.colorTexture.setMinificationFilter(Qa.LINEAR),t.colorTexture.setMagnificationFilter(Qa.LINEAR),t.pwfTexture.setMinificationFilter(Qa.LINEAR),t.pwfTexture.setMagnificationFilter(Qa.LINEAR));const i=r.getMTime();if(t.volumeTextureTime!==i){const e=r.getDimensions(),n=r.getPointData().getScalars();if(!n)return;t.volumeTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.volumeTexture.releaseGraphicsResources(t._openGLRenderWindow),t.volumeTexture.resetFormatAndType(),t.volumeTexture.create3DFilterableFromRaw(e[0],e[1],e[2],n.getNumberOfComponents(),n.getDataType(),n.getData(),t.renderable.getPreferSizeOverAccuracy()),t.volumeTextureTime=i}const a=r.getPointData()&&r.getPointData().getScalars();if(!a)return;const s=a.getNumberOfComponents(),l=n.getProperty(),u=l.getIndependentComponents(),c=u?s:1,d=u?2*c:1,p=Us(l,l.getRGBTransferFunction,c);if(t.colorTextureString!==p){const e=1024,n=new Uint8Array(e*d*3);let r=l.getRGBTransferFunction();if(r){const o=new Float32Array(3*e);for(let t=0;t{const o=t.volumeTexture.getComponents(),i=r.getProperty().getIndependentComponents(),a=!!t.renderable.getCenterPoint(),s=t.renderable.getUseUniformOrientation();return(0===e.getProgram()||t.lastUseCenterPoint!==a||t.lastUseUniformOrientation!==s||t.lastHaveSeenDepthRequest!==t.haveSeenDepthRequest||t.lastTextureComponents!==o||t.lastIndependentComponents!==i)&&(t.lastUseCenterPoint=a,t.lastUseUniformOrientation=s,t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=i,!0)},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.replaceShaderValues=(n,r,o)=>{let i=n.Vertex,a=n.Fragment;i=Ca.substitute(i,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,i=Ca.substitute(i,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result;const s=["attribute vec3 centerlinePosition;","attribute float quadIndex;","uniform float width;","out vec2 quadOffsetVSOutput;","out vec3 centerlinePosVSOutput;"],l=t.renderable.getUseUniformOrientation();l?s.push("out vec3 centerlineDirVSOutput;","uniform vec3 centerlineDirection;"):s.push("out vec3 centerlineTopDirVSOutput;","out vec3 centerlineBotDirVSOutput;","out float centerlineAngleVSOutput;","attribute vec3 centerlineTopDirection;","attribute vec3 centerlineBotDirection;"),i=Ca.substitute(i,"//VTK::Color::Dec",s).result;const u=["quadOffsetVSOutput = vec2(width * (mod(quadIndex, 2.0) == 0.0 ? -0.5 : 0.5), quadIndex > 1.0 ? 0.0 : 1.0);","centerlinePosVSOutput = centerlinePosition;"];l?u.push("centerlineDirVSOutput = centerlineDirection;"):u.push("vec3 sumVec = centerlineTopDirection + centerlineBotDirection;","float sumLen2 = dot(sumVec, sumVec);","float diffLen2 = 4.0 - sumLen2;","if (diffLen2 < 0.001) {"," // vectors are too close to each other, use lerp"," centerlineAngleVSOutput = -1.0; // use negative angle as a flag for lerp"," centerlineTopDirVSOutput = centerlineTopDirection;"," centerlineBotDirVSOutput = centerlineBotDirection;","} else if (sumLen2 == 0.0) {"," // vector are opposite to each other, don't make a choice for the user"," // use slerp without direction, it will display the centerline color on each row of pixel"," centerlineAngleVSOutput = 0.0;"," centerlineTopDirVSOutput = vec3(0.0);"," centerlineBotDirVSOutput = vec3(0.0);","} else {"," // use slerp"," centerlineAngleVSOutput = 2.0 * atan(sqrt(diffLen2/sumLen2));"," float sinAngle = sin(centerlineAngleVSOutput);"," centerlineTopDirVSOutput = centerlineTopDirection / sinAngle;"," centerlineBotDirVSOutput = centerlineBotDirection / sinAngle;","}"),i=Ca.substitute(i,"//VTK::Color::Impl",u).result;const c=t.volumeTexture.getComponents(),d=o.getProperty().getIndependentComponents();let p=["uniform mat4 MCTCMatrix; // Model coordinates to texture coordinates","in vec2 quadOffsetVSOutput;","in vec3 centerlinePosVSOutput;","uniform highp sampler3D volumeTexture;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;"];l?p.push("in vec3 centerlineDirVSOutput;"):p.push("in vec3 centerlineTopDirVSOutput;","in vec3 centerlineBotDirVSOutput;","in float centerlineAngleVSOutput;");const f=t.renderable.getCenterPoint();if(f&&p.push("uniform vec3 globalCenterPoint;"),d){for(let e=1;e{let o=e.Vertex,i=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(gt.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6),o=Ca.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=Ca.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,i=Ca.substitute(i,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,i=Ca.substitute(i,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=i},e.getShaderTemplate=(e,t,n)=>{e.Vertex=Os,e.Fragment=Ps,e.Geometry=""},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Vs("Error setting vertexMC in shader VAO.")),n.getCABO().getCustomData().forEach((e=>{e&&n.getProgram().isAttributeUsed(e.name)&&!n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),e.name,e.offset,n.getCABO().getStride(),t.context.FLOAT,e.components,t.context.FALSE)&&Vs(`Error setting ${e.name} in shader VAO.`)})),n.getAttributeUpdateTime().modified());const i=t.volumeTexture.getTextureUnit();if(n.getProgram().setUniformi("volumeTexture",i),n.getProgram().setUniformf("width",t.renderable.getWidth()),n.getProgram().setUniform4f("backgroundColor",...t.renderable.getBackgroundColor()),n.getProgram().isUniformUsed("centerlineDirection")){const e=t.renderable.getUniformDirection();n.getProgram().setUniform3fArray("centerlineDirection",e)}if(n.getProgram().isUniformUsed("globalCenterPoint")){const e=t.renderable.getCenterPoint();n.getProgram().setUniform3fArray("globalCenterPoint",e)}const a=t.currentImageDataInput,s=a.getWorldToIndex(),l=A(new Float32Array(16),Xt([],a.getDimensions())),u=re(l,l,s);if(n.getProgram().setUniformMatrix("MCTCMatrix",u),t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(gt.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,i=r?c(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(h(i,i),y(i,i,r),h(i,i)),h(t.imagemat,t.currentImageDataInput.getIndexToWorld()),y(t.imagematinv,i,t.imagemat);const a=[];for(let n=0;n{const o=t.openGLImageSlice.getKeyMatrices().mcwc,i=t.openGLCamera.getKeyMatrices(n).wcpc;if(y(t.imagemat,i,o),e.getCABO().getCoordShiftAndScaleEnabled()){const n=e.getCABO().getInverseShiftAndScaleMatrix();y(t.imagemat,t.imagemat,n)}e.getProgram().setUniformMatrix("MCPCMatrix",t.imagemat)},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),i=r.getProperty(),a=i.getOpacity();o.setUniformf("opacity",a);const s=t.volumeTexture.getComponents(),l=i.getIndependentComponents();if(l)for(let e=0;e{if(e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)}}const zs={currentRenderPass:null,volumeTexture:null,volumeTextureTime:0,colorTexture:null,colorTextureString:null,pwfTexture:null,pwfTextureString:null,tris:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,lastIndependentComponents:0,imagemat:null,imagematinv:null};const js=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,zs,n),Tt.extend(e,t,n),ms(e,t,n),gt.algo(e,t,2,0),t.tris=Ra.newInstance(),t.volumeTexture=hs.newInstance(),t.colorTexture=hs.newInstance(),t.pwfTexture=hs.newInstance(),t.imagemat=f(new Float64Array(16)),t.imagematinv=f(new Float64Array(16)),t.VBOBuildTime={},gt.obj(t.VBOBuildTime,{mtime:0}),Gs(e,t)}),"vtkOpenGLImageCPRMapper");function Ws(e,t){t.classHierarchy.push("vtkOpenGLImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes()}},e.traverseZBufferPass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseOpaqueZBufferPass=t=>e.traverseOpaquePass(t),e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t._openGLRenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.zBufferPass=(t,n)=>e.opaquePass(t,n),e.opaqueZBufferPass=(t,n)=>e.opaquePass(t,n),e.opaquePass=(e,n)=>{e&&t.context.depthMask(!0)},e.translucentPass=(e,n)=>{t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(c(t.keyMatrices.mcwc,t.renderable.getMatrix()),h(t.keyMatrices.mcwc,t.keyMatrices.mcwc),t.keyMatrixTime.modified()),t.keyMatrices)}Dt("vtkImageCPRMapper",js);const Hs={context:null,keyMatrixTime:null,keyMatrices:null};const Xs=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Hs,n),Tt.extend(e,t,n),t.keyMatrixTime={},je(t.keyMatrixTime,{mtime:0}),t.keyMatrices={mcwc:f(new Float64Array(16))},$e(e,t,["context"]),Ws(e,t)}),"vtkOpenGLImageSlice");function Ks(e,t){t.classHierarchy.push("vtkOpenGLVolume"),e.buildPass=n=>{t.renderable&&t.renderable.getVisibility()&&n&&(t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes())},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;n.incrementVolumeCount()}},e.traverseVolumePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children[0].traverse(n),e.apply(n,!1))},e.volumePass=e=>{t.renderable&&t.renderable.getVisibility()&&t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(t.renderable.computeMatrix(),c(t.MCWCMatrix,t.renderable.getMatrix()),h(t.MCWCMatrix,t.MCWCMatrix),t.renderable.getIsIdentity()?ae(t.normalMatrix):(ie(t.normalMatrix,t.MCWCMatrix),se(t.normalMatrix,t.normalMatrix),function(e,t){if(e===t){var n=t[1],r=t[2],o=t[5];e[1]=t[3],e[2]=t[6],e[3]=n,e[5]=t[7],e[6]=r,e[7]=o}else e[0]=t[0],e[1]=t[3],e[2]=t[6],e[3]=t[1],e[4]=t[4],e[5]=t[7],e[6]=t[2],e[7]=t[5],e[8]=t[8]}(t.normalMatrix,t.normalMatrix)),t.keyMatrixTime.modified()),{mcwc:t.MCWCMatrix,normalMatrix:t.normalMatrix})}Dt("vtkImageSlice",Xs);const qs={};const $s=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,qs,n),Tt.extend(e,t,n),t.keyMatrixTime={},je(t.keyMatrixTime,{mtime:0}),t.normalMatrix=new Float64Array(9),t.MCWCMatrix=new Float64Array(16),$e(e,t,["context"]),Ks(e,t)}),"vtkOpenGLVolume");function Ys(e,t){t.classHierarchy.push("vtkFramebuffer"),e.getBothMode=()=>t.context.FRAMEBUFFER,e.saveCurrentBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.saveCurrentBindings(n),e.saveCurrentBuffers(n)},e.saveCurrentBindings=e=>{if(!t.context)return void Ce("you must set the OpenGLRenderWindow before calling saveCurrentBindings");const n=t.context;t.previousDrawBinding=n.getParameter(t.context.FRAMEBUFFER_BINDING),t.previousActiveFramebuffer=t._openGLRenderWindow.getActiveFramebuffer()},e.saveCurrentBuffers=e=>{},e.restorePreviousBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.restorePreviousBindings(n),e.restorePreviousBuffers(n)},e.restorePreviousBindings=e=>{if(!t.context)return void Ce("you must set the OpenGLRenderWindow before calling restorePreviousBindings");const n=t.context;n.bindFramebuffer(n.FRAMEBUFFER,t.previousDrawBinding),t._openGLRenderWindow.setActiveFramebuffer(t.previousActiveFramebuffer)},e.restorePreviousBuffers=e=>{},e.bind=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,r=n;null===r&&(r=t.context.FRAMEBUFFER),t.context.bindFramebuffer(r,t.glFramebuffer);for(let e=0;e{t.context?(t.glFramebuffer=t.context.createFramebuffer(),t.glFramebuffer.width=e,t.glFramebuffer.height=n):Ce("you must set the OpenGLRenderWindow before calling create")},e.setColorBuffer=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const r=t.context;if(!r)return void Ce("you must set the OpenGLRenderWindow before calling setColorBuffer");let o=r.COLOR_ATTACHMENT0;if(n>0){if(!t._openGLRenderWindow.getWebgl2())return void Ce("Using multiple framebuffer attachments requires WebGL 2");o+=n}t.colorBuffers[n]=e,r.framebufferTexture2D(r.FRAMEBUFFER,o,r.TEXTURE_2D,e.getHandle(),0)},e.removeColorBuffer=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;const n=t.context;if(!n)return void Ce("you must set the OpenGLRenderWindow before calling removeColorBuffer");let r=n.COLOR_ATTACHMENT0;if(e>0){if(!t._openGLRenderWindow.getWebgl2())return void Ce("Using multiple framebuffer attachments requires WebGL 2");r+=e}n.framebufferTexture2D(n.FRAMEBUFFER,r,n.TEXTURE_2D,null,0),t.colorBuffers=t.colorBuffers.splice(e,1)},e.setDepthBuffer=e=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const n=t.context;n.framebufferTexture2D(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.TEXTURE_2D,e.getHandle(),0)}else Ce("Attaching depth buffer textures to fbo requires WebGL 2");else Ce("you must set the OpenGLRenderWindow before calling setDepthBuffer")},e.removeDepthBuffer=()=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const e=t.context;e.framebufferTexture2D(e.FRAMEBUFFER,e.DEPTH_ATTACHMENT,e.TEXTURE_2D,null,0)}else Ce("Attaching depth buffer textures to framebuffers requires WebGL 2");else Ce("you must set the OpenGLRenderWindow before calling removeDepthBuffer")},e.getGLFramebuffer=()=>t.glFramebuffer,e.setOpenGLRenderWindow=n=>{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.releaseGraphicsResources=()=>{t.glFramebuffer&&t.context.deleteFramebuffer(t.glFramebuffer)},e.getSize=()=>{const e=[0,0];return null!==t.glFramebuffer&&(e[0]=t.glFramebuffer.width,e[1]=t.glFramebuffer.height),e},e.populateFramebuffer=()=>{if(!t.context)return void Ce("you must set the OpenGLRenderWindow before calling populateFrameBuffer");e.bind();const n=t.context,r=hs.newInstance();r.setOpenGLRenderWindow(t._openGLRenderWindow),r.setMinificationFilter(Qa.LINEAR),r.setMagnificationFilter(Qa.LINEAR),r.create2DFromRaw(t.glFramebuffer.width,t.glFramebuffer.height,4,on.UNSIGNED_CHAR,null),e.setColorBuffer(r),t.depthTexture=n.createRenderbuffer(),n.bindRenderbuffer(n.RENDERBUFFER,t.depthTexture),n.renderbufferStorage(n.RENDERBUFFER,n.DEPTH_COMPONENT16,t.glFramebuffer.width,t.glFramebuffer.height),n.framebufferRenderbuffer(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.RENDERBUFFER,t.depthTexture)},e.getColorTexture=()=>t.colorBuffers[0]}Dt("vtkVolume",$s);const Js={glFramebuffer:null,colorBuffers:null,depthTexture:null,previousDrawBinding:0,previousReadBinding:0,previousDrawBuffer:0,previousReadBuffer:0,previousActiveFramebuffer:null};function Qs(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Js,n),je(e,t),t.colorBuffers&&Ce("you cannot initialize colorBuffers through the constructor. You should call setColorBuffer() instead."),t.colorBuffers=[],Ye(e,t,["colorBuffers"]),Ys(e,t)}var Zs={newInstance:rt(Qs,"vtkFramebuffer"),extend:Qs};const el={NEAREST:0,LINEAR:1,FAST_LINEAR:2},tl={FRACTIONAL:0,PROPORTIONAL:1};var nl={InterpolationType:el,OpacityMode:tl};const rl={COMPOSITE_BLEND:0,MAXIMUM_INTENSITY_BLEND:1,MINIMUM_INTENSITY_BLEND:2,AVERAGE_INTENSITY_BLEND:3,ADDITIVE_INTENSITY_BLEND:4,RADON_TRANSFORM_BLEND:5};var ol={BlendMode:rl,FilterMode:{OFF:0,NORMALIZED:1,RAW:2}};const{vtkWarningMacro:il,vtkErrorMacro:al}=vt;function sl(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function ll(e,t){t.classHierarchy.push("vtkOpenGLVolumeMapper"),e.buildPass=()=>{t.zBufferTexture=null},e.zBufferPass=(e,n)=>{if(e){const e=n.getZBufferTexture();e!==t.zBufferTexture&&(t.zBufferTexture=e)}},e.opaqueZBufferPass=(t,n)=>e.zBufferPass(t,n),e.volumePass=(n,r)=>{if(n){t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.jitterTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.scalarTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.opacityTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.openGLVolume=e.getFirstAncestorOfType("vtkOpenGLVolume");const n=t.openGLVolume.getRenderable();t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const r=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(r.getActiveCamera()),e.renderPiece(r,n)}},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexDC;\n\nvarying vec3 vertexVCVSOutput;\nuniform mat4 PCVCMatrix;\n\nuniform float dcxmin;\nuniform float dcxmax;\nuniform float dcymin;\nuniform float dcymax;\n\nvoid main()\n{\n // dcsmall is the device coords reduced to the\n // x y area covered by the volume\n vec4 dcsmall = vec4(\n dcxmin + 0.5 * (vertexDC.x + 1.0) * (dcxmax - dcxmin),\n dcymin + 0.5 * (vertexDC.y + 1.0) * (dcymax - dcymin),\n vertexDC.z,\n vertexDC.w);\n vec4 vcpos = PCVCMatrix * dcsmall;\n vertexVCVSOutput = vcpos.xyz/vcpos.w;\n gl_Position = dcsmall;\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkVolumeFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the volume mappers fragment shader\n\n// the output of this shader\n//VTK::Output::Dec\n\nvarying vec3 vertexVCVSOutput;\n\n// first declare the settings from the mapper\n// that impact the code paths in here\n\n// always set vtkNumComponents 1,2,3,4\n//VTK::NumComponents\n\n// possibly define vtkTrilinearOn\n//VTK::TrilinearOn\n\n// possibly define vtkIndependentComponents\n//VTK::IndependentComponentsOn\n\n// possibly define any \"proportional\" components\n//VTK::vtkProportionalComponents\n\n// Define the blend mode to use\n#define vtkBlendMode //VTK::BlendMode\n\n// Possibly define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n#ifdef vtkImageLabelOutlineOn\n\nuniform float outlineOpacity;\nuniform float vpWidth;\nuniform float vpHeight;\nuniform float vpOffsetX;\nuniform float vpOffsetY;\nuniform mat4 PCWCMatrix;\nuniform mat4 vWCtoIDX;\n#endif\n\n// define vtkLightComplexity\n//VTK::LightComplexity\n#if vtkLightComplexity > 0\nuniform float vSpecularPower;\nuniform float vAmbient;\nuniform float vDiffuse;\nuniform float vSpecular;\n//VTK::Light::Dec\n#endif\n\n//VTK::VolumeShadowOn\n//VTK::SurfaceShadowOn\n//VTK::localAmbientOcclusionOn\n//VTK::LAO::Dec\n//VTK::VolumeShadow::Dec\n\n// define vtkComputeNormalFromOpacity\n//VTK::vtkComputeNormalFromOpacity\n\n// possibly define vtkGradientOpacityOn\n//VTK::GradientOpacityOn\n#ifdef vtkGradientOpacityOn\nuniform float goscale0;\nuniform float goshift0;\nuniform float gomin0;\nuniform float gomax0;\n#if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\nuniform float goscale1;\nuniform float goshift1;\nuniform float gomin1;\nuniform float gomax1;\n#if vtkNumComponents >= 3\nuniform float goscale2;\nuniform float goshift2;\nuniform float gomin2;\nuniform float gomax2;\n#endif\n#if vtkNumComponents >= 4\nuniform float goscale3;\nuniform float goshift3;\nuniform float gomin3;\nuniform float gomax3;\n#endif\n#endif\n#endif\n\n// if you want to see the raw tiled\n// data in webgl1 uncomment the following line\n// #define debugtile\n\n// camera values\nuniform float camThick;\nuniform float camNear;\nuniform float camFar;\nuniform int cameraParallel;\n\n// values describing the volume geometry\nuniform vec3 vOriginVC;\nuniform vec3 vSpacing;\nuniform ivec3 volumeDimensions; // 3d texture dimensions\nuniform vec3 vPlaneNormal0;\nuniform float vPlaneDistance0;\nuniform vec3 vPlaneNormal1;\nuniform float vPlaneDistance1;\nuniform vec3 vPlaneNormal2;\nuniform float vPlaneDistance2;\nuniform vec3 vPlaneNormal3;\nuniform float vPlaneDistance3;\nuniform vec3 vPlaneNormal4;\nuniform float vPlaneDistance4;\nuniform vec3 vPlaneNormal5;\nuniform float vPlaneDistance5;\n\n//VTK::ClipPlane::Dec\n\n// opacity and color textures\nuniform sampler2D otexture;\nuniform float oshift0;\nuniform float oscale0;\nuniform sampler2D ctexture;\nuniform float cshift0;\nuniform float cscale0;\n\n// jitter texture\nuniform sampler2D jtexture;\nuniform sampler2D ttexture;\n\n\n// some 3D texture values\nuniform float sampleDistance;\nuniform vec3 vVCToIJK;\n\n// the heights defined below are the locations\n// for the up to four components of the tfuns\n// the tfuns have a height of 2XnumComps pixels so the\n// values are computed to hit the middle of the two rows\n// for that component\n#ifdef vtkIndependentComponentsOn\n#if vtkNumComponents == 2\nuniform float mix0;\nuniform float mix1;\n#define height0 0.25\n#define height1 0.75\n#endif\n#if vtkNumComponents == 3\nuniform float mix0;\nuniform float mix1;\nuniform float mix2;\n#define height0 0.17\n#define height1 0.5\n#define height2 0.83\n#endif\n#if vtkNumComponents == 4\nuniform float mix0;\nuniform float mix1;\nuniform float mix2;\nuniform float mix3;\n#define height0 0.125\n#define height1 0.375\n#define height2 0.625\n#define height3 0.875\n#endif\n#endif\n\n#if vtkNumComponents >= 2\nuniform float oshift1;\nuniform float oscale1;\nuniform float cshift1;\nuniform float cscale1;\n#endif\n#if vtkNumComponents >= 3\nuniform float oshift2;\nuniform float oscale2;\nuniform float cshift2;\nuniform float cscale2;\n#endif\n#if vtkNumComponents >= 4\nuniform float oshift3;\nuniform float oscale3;\nuniform float cshift3;\nuniform float cscale3;\n#endif\n\nuniform vec4 ipScalarRangeMin;\nuniform vec4 ipScalarRangeMax;\n\n// declaration for intermixed geometry\n//VTK::ZBuffer::Dec\n\n//=======================================================================\n// global and custom variables (a temporary section before photorealistics rendering module is complete)\nvec3 rayDirVC;\nfloat sampleDistanceISVS;\nfloat sampleDistanceIS;\n\n#define SQRT3 1.7321\n#define INV4PI 0.0796\n#define EPSILON 0.001\n#define PI 3.1415\n#define PI2 9.8696\n\n//=======================================================================\n// Webgl2 specific version of functions\n#if __VERSION__ == 300\n\nuniform highp sampler3D texture1;\n\nvec4 getTextureValue(vec3 pos)\n{\n vec4 tmp = texture(texture1, pos);\n#if vtkNumComponents == 1\n tmp.a = tmp.r;\n#endif\n#if vtkNumComponents == 2\n tmp.a = tmp.g;\n#endif\n#if vtkNumComponents == 3\n tmp.a = length(tmp.rgb);\n#endif\n return tmp;\n}\n\n//=======================================================================\n// WebGL1 specific version of functions\n#else\n\nuniform sampler2D texture1;\n\nuniform float texWidth;\nuniform float texHeight;\nuniform int xreps;\nuniform int xstride;\nuniform int ystride;\n\n// if computing trilinear values from multiple z slices\n#ifdef vtkTrilinearOn\nvec4 getTextureValue(vec3 ijk)\n{\n float zoff = 1.0/float(volumeDimensions.z);\n vec4 val1 = getOneTextureValue(ijk);\n vec4 val2 = getOneTextureValue(vec3(ijk.xy, ijk.z + zoff));\n\n float indexZ = float(volumeDimensions)*ijk.z;\n float zmix = indexZ - floor(indexZ);\n\n return mix(val1, val2, zmix);\n}\n\nvec4 getOneTextureValue(vec3 ijk)\n#else // nearest or fast linear\nvec4 getTextureValue(vec3 ijk)\n#endif\n{\n vec3 tdims = vec3(volumeDimensions);\n\n#ifdef debugtile\n vec2 tpos = vec2(ijk.x, ijk.y);\n vec4 tmp = texture2D(texture1, tpos);\n tmp.a = 1.0;\n\n#else\n int z = int(ijk.z * tdims.z);\n int yz = z / xreps;\n int xz = z - yz*xreps;\n\n int tileWidth = volumeDimensions.x/xstride;\n int tileHeight = volumeDimensions.y/ystride;\n\n xz *= tileWidth;\n yz *= tileHeight;\n\n float ni = float(xz) + (ijk.x*float(tileWidth));\n float nj = float(yz) + (ijk.y*float(tileHeight));\n\n vec2 tpos = vec2(ni/texWidth, nj/texHeight);\n\n vec4 tmp = texture2D(texture1, tpos);\n\n#if vtkNumComponents == 1\n tmp.a = tmp.r;\n#endif\n#if vtkNumComponents == 2\n tmp.g = tmp.a;\n#endif\n#if vtkNumComponents == 3\n tmp.a = length(tmp.rgb);\n#endif\n#endif\n\n return tmp;\n}\n\n// End of Webgl1 specific code\n//=======================================================================\n#endif\n\n//=======================================================================\n// transformation between VC and IS space\n\n// convert vector position from idx to vc\n#if (vtkLightComplexity > 0) || (defined vtkClippingPlanesOn)\nvec3 IStoVC(vec3 posIS){\n vec3 posVC = posIS / vVCToIJK;\n return posVC.x * vPlaneNormal0 +\n posVC.y * vPlaneNormal2 +\n posVC.z * vPlaneNormal4 +\n vOriginVC;\n}\n\n// convert vector position from vc to idx\nvec3 VCtoIS(vec3 posVC){\n posVC = posVC - vOriginVC;\n posVC = vec3(\n dot(posVC, vPlaneNormal0),\n dot(posVC, vPlaneNormal2),\n dot(posVC, vPlaneNormal4));\n return posVC * vVCToIJK;\n}\n#endif\n\n//Rotate vector to view coordinate\n#if (vtkLightComplexity > 0) || (defined vtkGradientOpacityOn)\nvoid rotateToViewCoord(inout vec3 dirIS){\n dirIS.xyz =\n dirIS.x * vPlaneNormal0 +\n dirIS.y * vPlaneNormal2 +\n dirIS.z * vPlaneNormal4;\n}\n\n//Rotate vector to idx coordinate\nvec3 rotateToIDX(vec3 dirVC){\n vec3 dirIS;\n dirIS.xyz = vec3(\n dot(dirVC, vPlaneNormal0),\n dot(dirVC, vPlaneNormal2),\n dot(dirVC, vPlaneNormal4));\n return dirIS;\n}\n#endif\n\n//=======================================================================\n// Given a normal compute the gradient opacity factors\nfloat computeGradientOpacityFactor(\n float normalMag, float goscale, float goshift, float gomin, float gomax)\n{\n#if defined(vtkGradientOpacityOn)\n return clamp(normalMag * goscale + goshift, gomin, gomax);\n#else\n return 1.0;\n#endif\n}\n\n//=======================================================================\n// compute the normal and gradient magnitude for a position, uses forward difference\n#if (vtkLightComplexity > 0) || (defined vtkGradientOpacityOn)\n#ifdef vtkClippingPlanesOn\n void adjustClippedVoxelValues(vec3 pos, vec3 texPos[3], inout vec3 g1)\n {\n vec3 g1VC[3];\n for (int i = 0; i < 3; ++i)\n {\n g1VC[i] = IStoVC(texPos[i]);\n }\n vec3 posVC = IStoVC(pos);\n for (int i = 0; i < clip_numPlanes; ++i)\n {\n for (int j = 0; j < 3; ++j)\n {\n if(dot(vec3(vClipPlaneOrigins[i] - g1VC[j].xyz), vClipPlaneNormals[i]) > 0.0)\n {\n g1[j] = 0.0;\n }\n }\n }\n }\n#endif\n\n #ifdef vtkComputeNormalFromOpacity\n #ifdef vtkGradientOpacityOn\n vec4 computeDensityNormal(float gradientMag, vec3 scalarInterp[2])\n {\n #else\n //if gradient opacity not on but using density gradient\n vec4 computeDensityNormal(vec3 scalarInterp[2])\n {\n #endif\n vec3 opacityG1, opacityG2;\n opacityG1.x = texture2D(otexture, vec2(scalarInterp[0].x * oscale0 + oshift0, 0.5)).r;\n opacityG1.y = texture2D(otexture, vec2(scalarInterp[0].y * oscale0 + oshift0, 0.5)).r;\n opacityG1.z = texture2D(otexture, vec2(scalarInterp[0].z * oscale0 + oshift0, 0.5)).r;\n opacityG2.x = texture2D(otexture, vec2(scalarInterp[1].x * oscale0 + oshift0, 0.5)).r;\n opacityG2.y = texture2D(otexture, vec2(scalarInterp[1].y * oscale0 + oshift0, 0.5)).r;\n opacityG2.z = texture2D(otexture, vec2(scalarInterp[1].z * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n float gradOpacityFactor = 1.0f;\n if (gradientMag >= 0.0){\n gradOpacityFactor = computeGradientOpacityFactor(gradientMag, goscale0, goshift0, gomin0, gomax0);\n }\n opacityG1.xyz *= gradOpacityFactor;\n opacityG2.xyz *= gradOpacityFactor;\n #endif\n\n vec4 opacityG = vec4(opacityG1 - opacityG2, 1.0f);\n // divide by spacing\n opacityG.xyz /= vSpacing;\n opacityG.w = length(opacityG.xyz);\n // rotate to View Coords\n rotateToViewCoord(opacityG.xyz);\n if (length(opacityG.xyz) > 0.0) {\n return vec4(normalize(opacityG.xyz),opacityG.w);\n } else {\n return vec4(0.0);\n }\n }\n\n vec4 computeNormalForDensity(vec3 pos, vec3 tstep, out vec3 scalarInterp[2])\n {\n vec3 xvec = vec3(tstep.x, 0.0, 0.0);\n vec3 yvec = vec3(0.0, tstep.y, 0.0);\n vec3 zvec = vec3(0.0, 0.0, tstep.z);\n vec3 texPosPVec[3];\n texPosPVec[0] = pos + xvec;\n texPosPVec[1] = pos + yvec;\n texPosPVec[2] = pos + zvec;\n vec3 texPosNVec[3];\n texPosNVec[0] = pos - xvec;\n texPosNVec[1] = pos - yvec;\n texPosNVec[2] = pos - zvec;\n vec3 g1, g2;\n\n scalarInterp[0].x = getTextureValue(texPosPVec[0]).a;\n scalarInterp[0].y = getTextureValue(texPosPVec[1]).a;\n scalarInterp[0].z = getTextureValue(texPosPVec[2]).a;\n scalarInterp[1].x = getTextureValue(texPosNVec[0]).a;\n scalarInterp[1].y = getTextureValue(texPosNVec[1]).a;\n scalarInterp[1].z = getTextureValue(texPosNVec[2]).a;\n\n #ifdef vtkClippingPlanesOn\n adjustClippedVoxelValues(pos, texPosPVec, scalarInterp[0]);\n adjustClippedVoxelValues(pos, texPosNVec, scalarInterp[1]);\n #endif\n vec4 result;\n result.x = scalarInterp[0].x - scalarInterp[1].x;\n result.y = scalarInterp[0].y - scalarInterp[1].y;\n result.z = scalarInterp[0].z - scalarInterp[1].z;\n // divide by spacing\n result.xyz /= vSpacing;\n result.w = length(result.xyz);\n // rotate to View Coords\n rotateToViewCoord(result.xyz);\n if (length(result.xyz) > 0.0) {\n return vec4(normalize(result.xyz),result.w);\n } else {\n return vec4(0.0);\n }\n }\n #endif\n\n vec4 computeNormal(vec3 pos, vec3 tstep)\n {\n vec3 xvec = vec3(tstep.x, 0.0, 0.0);\n vec3 yvec = vec3(0.0, tstep.y, 0.0);\n vec3 zvec = vec3(0.0, 0.0, tstep.z);\n vec3 texPosPVec[3];\n texPosPVec[0] = pos + xvec;\n texPosPVec[1] = pos + yvec;\n texPosPVec[2] = pos + zvec;\n vec3 texPosNVec[3];\n texPosNVec[0] = pos - xvec;\n texPosNVec[1] = pos - yvec;\n texPosNVec[2] = pos - zvec;\n vec3 g1, g2;\n g1.x = getTextureValue(texPosPVec[0]).a;\n g1.y = getTextureValue(texPosPVec[1]).a;\n g1.z = getTextureValue(texPosPVec[2]).a;\n g2.x = getTextureValue(texPosNVec[0]).a;\n g2.y = getTextureValue(texPosNVec[1]).a;\n g2.z = getTextureValue(texPosNVec[2]).a;\n #ifdef vtkClippingPlanesOn\n adjustClippedVoxelValues(pos, texPosPVec, g1);\n adjustClippedVoxelValues(pos, texPosNVec, g2);\n #endif\n vec4 result;\n result = vec4(g1 - g2, -1.0);\n // divide by spacing\n result.xyz /= vSpacing;\n result.w = length(result.xyz);\n if (result.w > 0.0){\n // rotate to View Coords\n rotateToViewCoord(result.xyz);\n return vec4(normalize(result.xyz),result.w);\n } else {\n return vec4(0.0);\n }\n }\n#endif\n\n#ifdef vtkImageLabelOutlineOn\nvec3 fragCoordToIndexSpace(vec4 fragCoord) {\n vec4 pcPos = vec4(\n (fragCoord.x / vpWidth - vpOffsetX - 0.5) * 2.0,\n (fragCoord.y / vpHeight - vpOffsetY - 0.5) * 2.0,\n (fragCoord.z - 0.5) * 2.0,\n 1.0);\n\n vec4 worldCoord = PCWCMatrix * pcPos;\n vec4 vertex = (worldCoord/worldCoord.w);\n\n vec3 index = (vWCtoIDX * vertex).xyz;\n\n // half voxel fix for labelmapOutline\n return (index + vec3(0.5)) / vec3(volumeDimensions);\n}\n#endif\n\n//=======================================================================\n// compute the normals and gradient magnitudes for a position\n// for independent components\nmat4 computeMat4Normal(vec3 pos, vec4 tValue, vec3 tstep)\n{\n mat4 result;\n vec4 distX = getTextureValue(pos + vec3(tstep.x, 0.0, 0.0)) - tValue;\n vec4 distY = getTextureValue(pos + vec3(0.0, tstep.y, 0.0)) - tValue;\n vec4 distZ = getTextureValue(pos + vec3(0.0, 0.0, tstep.z)) - tValue;\n\n // divide by spacing\n distX /= vSpacing.x;\n distY /= vSpacing.y;\n distZ /= vSpacing.z;\n\n mat3 rot;\n rot[0] = vPlaneNormal0;\n rot[1] = vPlaneNormal2;\n rot[2] = vPlaneNormal4;\n\n#if !defined(vtkComponent0Proportional)\n result[0].xyz = vec3(distX.r, distY.r, distZ.r);\n result[0].a = length(result[0].xyz);\n result[0].xyz *= rot;\n if (result[0].w > 0.0)\n {\n result[0].xyz /= result[0].w;\n }\n#endif\n\n// optionally compute the 2nd component\n#if vtkNumComponents >= 2 && !defined(vtkComponent1Proportional)\n result[1].xyz = vec3(distX.g, distY.g, distZ.g);\n result[1].a = length(result[1].xyz);\n result[1].xyz *= rot;\n if (result[1].w > 0.0)\n {\n result[1].xyz /= result[1].w;\n }\n#endif\n\n// optionally compute the 3rd component\n#if vtkNumComponents >= 3 && !defined(vtkComponent2Proportional)\n result[2].xyz = vec3(distX.b, distY.b, distZ.b);\n result[2].a = length(result[2].xyz);\n result[2].xyz *= rot;\n if (result[2].w > 0.0)\n {\n result[2].xyz /= result[2].w;\n }\n#endif\n\n// optionally compute the 4th component\n#if vtkNumComponents >= 4 && !defined(vtkComponent3Proportional)\n result[3].xyz = vec3(distX.a, distY.a, distZ.a);\n result[3].a = length(result[3].xyz);\n result[3].xyz *= rot;\n if (result[3].w > 0.0)\n {\n result[3].xyz /= result[3].w;\n }\n#endif\n\n return result;\n}\n\n//=======================================================================\n// global shadow - secondary ray\n#if defined(VolumeShadowOn) || defined(localAmbientOcclusionOn)\nfloat random()\n{\n float rand = fract(sin(dot(gl_FragCoord.xy,vec2(12.9898,78.233)))*43758.5453123);\n float jitter=texture2D(jtexture,gl_FragCoord.xy/32.).r;\n uint pcg_state = floatBitsToUint(jitter);\n uint state = pcg_state;\n pcg_state = pcg_state * uint(747796405) + uint(2891336453);\n uint word = ((state >> ((state >> uint(28)) + uint(4))) ^ state) * uint(277803737);\n return (float((((word >> uint(22)) ^ word) >> 1 ))/float(2147483647) + rand)/2.0;\n}\n#endif\n\n#ifdef VolumeShadowOn\n// henyey greenstein phase function\nfloat phase_function(float cos_angle)\n{\n // divide by 2.0 instead of 4pi to increase intensity\n return ((1.0-anisotropy2)/pow(1.0+anisotropy2-2.0*anisotropy*cos_angle, 1.5))/2.0;\n}\n\n// Computes the intersection between a ray and a box\nstruct Hit\n{\n float tmin;\n float tmax;\n};\n\nstruct Ray\n{\n vec3 origin;\n vec3 dir;\n vec3 invDir;\n};\n\nbool BBoxIntersect(vec3 boundMin, vec3 boundMax, const Ray r, out Hit hit)\n{\n vec3 tbot = r.invDir * (boundMin - r.origin);\n vec3 ttop = r.invDir * (boundMax - r.origin);\n vec3 tmin = min(ttop, tbot);\n vec3 tmax = max(ttop, tbot);\n vec2 t = max(tmin.xx, tmin.yz);\n float t0 = max(t.x, t.y);\n t = min(tmax.xx, tmax.yz);\n float t1 = min(t.x, t.y);\n hit.tmin = t0;\n hit.tmax = t1;\n return t1 > max(t0,0.0);\n}\n\n// As BBoxIntersect requires the inverse of the ray coords,\n// this function is used to avoid numerical issues\nvoid safe_0_vector(inout Ray ray)\n{\n if(abs(ray.dir.x) < EPSILON) ray.dir.x = sign(ray.dir.x) * EPSILON;\n if(abs(ray.dir.y) < EPSILON) ray.dir.y = sign(ray.dir.y) * EPSILON;\n if(abs(ray.dir.z) < EPSILON) ray.dir.z = sign(ray.dir.z) * EPSILON;\n}\n\nfloat volume_shadow(vec3 posIS, vec3 lightDirNormIS)\n{\n float shadow = 1.0;\n float opacity = 0.0;\n\n // modify sample distance with a random number between 1.5 and 3.0\n float sampleDistanceISVS_jitter = sampleDistanceISVS * mix(1.5, 3.0, random());\n float opacityPrev = texture2D(otexture, vec2(getTextureValue(posIS).r * oscale0 + oshift0, 0.5)).r;\n\n // in case the first sample near surface has a very tiled light ray, we need to offset start position\n posIS += sampleDistanceISVS_jitter * lightDirNormIS;\n\n // compute the start and end points for the ray\n Ray ray;\n Hit hit;\n ray.origin = posIS;\n ray.dir = lightDirNormIS;\n safe_0_vector(ray);\n ray.invDir = 1.0/ray.dir;\n\n if(!BBoxIntersect(vec3(0.0),vec3(1.0), ray, hit))\n {\n return 1.0;\n }\n float maxdist = hit.tmax;\n\n // interpolate shadow ray length between: 1 unit of sample distance in IS to SQRT3, based on globalIlluminationReach\n float maxgi = mix(sampleDistanceISVS_jitter,SQRT3,giReach);\n maxdist = min(maxdist,maxgi);\n if(maxdist < EPSILON) {\n return 1.0;\n }\n\n // support gradient opacity\n #ifdef vtkGradientOpacityOn\n vec4 normal;\n #endif\n\n float current_dist = 0.0;\n float current_step = length(sampleDistanceISVS_jitter * lightDirNormIS);\n float clamped_step = 0.0;\n\n vec4 scalar = vec4(0.0);\n while(current_dist < maxdist)\n {\n#ifdef vtkClippingPlanesOn\n vec3 posVC = IStoVC(posIS);\n for (int i = 0; i < clip_numPlanes; ++i)\n {\n if (dot(vec3(vClipPlaneOrigins[i] - posVC), vClipPlaneNormals[i]) > 0.0)\n {\n current_dist = maxdist;\n }\n }\n#endif\n scalar = getTextureValue(posIS);\n opacity = texture2D(otexture, vec2(scalar.r * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n normal = computeNormal(posIS, vec3(1.0/vec3(volumeDimensions)));\n opacity *= computeGradientOpacityFactor(normal.w, goscale0, goshift0, gomin0, gomax0);\n #endif\n shadow *= 1.0 - opacity;\n\n // optimization: early termination\n if (shadow < EPSILON){\n return 0.0;\n }\n\n clamped_step = min(maxdist - current_dist, current_step);\n posIS += clamped_step * lightDirNormIS;\n current_dist += current_step;\n }\n\n return shadow;\n}\n\nvec3 applyShadowRay(vec3 tColor, vec3 posIS, vec3 viewDirectionVC)\n{\n vec3 vertLight = vec3(0.0);\n vec3 secondary_contrib = vec3(0.0);\n // here we assume only positional light, no effect of cones\n for (int i = 0; i < lightNum; i++)\n {\n #if(vtkLightComplexity==3)\n if (lightPositional[i] == 1){\n vertLight = lightPositionVC[i] - IStoVC(posIS);\n }else{\n vertLight = - lightDirectionVC[i];\n }\n #else\n vertLight = - lightDirectionVC[i];\n #endif\n // here we assume achromatic light, only intensity\n float dDotL = dot(viewDirectionVC, normalize(vertLight));\n // isotropic scatter returns 0.5 instead of 1/4pi to increase intensity\n float phase_attenuation = 0.5;\n if (abs(anisotropy) > EPSILON){\n phase_attenuation = phase_function(dDotL);\n }\n float vol_shadow = volume_shadow(posIS, normalize(rotateToIDX(vertLight)));\n secondary_contrib += tColor * vDiffuse * lightColor[i] * vol_shadow * phase_attenuation;\n secondary_contrib += tColor * vAmbient;\n }\n return secondary_contrib;\n}\n#endif\n\n//=======================================================================\n// local ambient occlusion\n#ifdef localAmbientOcclusionOn\nvec3 sample_direction_uniform(int i)\n{\n float rand = random() * 0.5;\n float theta = PI2 * (kernelSample[i][0] + rand);\n float phi = acos(2.0 * (kernelSample[i][1] + rand) -1.0) / 2.5;\n return normalize(vec3(cos(theta)*sin(phi), sin(theta)*sin(phi), cos(phi)));\n}\n\n// return a matrix that transform startDir into z axis; startDir should be normalized\nmat3 zBaseRotationalMatrix(vec3 startDir){\n vec3 axis = cross(startDir, vec3(0.0,0.0,1.0));\n float cosA = startDir.z;\n float k = 1.0 / (1.0 + cosA);\n mat3 matrix = mat3((axis.x * axis.x * k) + cosA, (axis.y * axis.x * k) - axis.z, (axis.z * axis.x * k) + axis.y,\n (axis.x * axis.y * k) + axis.z, (axis.y * axis.y * k) + cosA, (axis.z * axis.y * k) - axis.x,\n (axis.x * axis.z * k) - axis.y, (axis.y * axis.z * k) + axis.x, (axis.z * axis.z * k) + cosA);\n return matrix;\n}\n\nfloat computeLAO(vec3 posIS, float op, vec3 lightDir, vec4 normal){\n // apply LAO only at selected locations, otherwise return full brightness\n if (normal.w > 0.0 && op > 0.05){\n float total_transmittance = 0.0;\n mat3 inverseRotateBasis = inverse(zBaseRotationalMatrix(normalize(-normal.xyz)));\n vec3 currPos, randomDirStep;\n float weight, transmittance, opacity;\n for (int i = 0; i < kernelSize; i++)\n {\n randomDirStep = inverseRotateBasis * sample_direction_uniform(i) * sampleDistanceIS;\n weight = 1.0 - dot(normalize(lightDir), normalize(randomDirStep));\n currPos = posIS;\n transmittance = 1.0;\n for (int j = 0; j < kernelRadius ; j++){\n currPos += randomDirStep;\n // check if it's at clipping plane, if so return full brightness\n if (all(greaterThan(currPos, vec3(EPSILON))) && all(lessThan(currPos,vec3(1.0-EPSILON)))){\n opacity = texture2D(otexture, vec2(getTextureValue(currPos).r * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n opacity *= computeGradientOpacityFactor(normal.w, goscale0, goshift0, gomin0, gomax0);\n #endif\n transmittance *= 1.0 - opacity;\n }\n else{\n break;\n }\n }\n total_transmittance += transmittance / float(kernelRadius) * weight;\n\n // early termination if fully translucent\n if (total_transmittance > 1.0 - EPSILON){\n return 1.0;\n }\n }\n // average transmittance and reduce variance\n return clamp(total_transmittance / float(kernelSize), 0.3, 1.0);\n } else {\n return 1.0;\n }\n}\n#endif\n\n//=======================================================================\n// surface light contribution\n#if vtkLightComplexity > 0\n void applyLighting(inout vec3 tColor, vec4 normal)\n {\n vec3 diffuse = vec3(0.0, 0.0, 0.0);\n vec3 specular = vec3(0.0, 0.0, 0.0);\n float df, sf = 0.0;\n for (int i = 0; i < lightNum; i++){\n df = abs(dot(normal.rgb, -lightDirectionVC[i]));\n diffuse += df * lightColor[i];\n sf = pow( abs(dot(lightHalfAngleVC[i],normal.rgb)), vSpecularPower);\n specular += sf * lightColor[i];\n }\n tColor.rgb = tColor.rgb*(diffuse*vDiffuse + vAmbient) + specular*vSpecular;\n }\n #ifdef SurfaceShadowOn\n #if vtkLightComplexity < 3\n vec3 applyLightingDirectional(vec3 posIS, vec4 tColor, vec4 normal)\n {\n // everything in VC\n vec3 diffuse = vec3(0.0);\n vec3 specular = vec3(0.0);\n #ifdef localAmbientOcclusionOn\n vec3 ambient = vec3(0.0);\n #endif\n vec3 vertLightDirection;\n for (int i = 0; i < lightNum; i++){\n float ndotL,vdotR;\n vertLightDirection = lightDirectionVC[i];\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n }\n #ifdef localAmbientOcclusionOn\n return tColor.rgb * (diffuse * vDiffuse + vAmbient * ambient) + specular*vSpecular;\n #else\n return tColor.rgb * (diffuse * vDiffuse + vAmbient) + specular*vSpecular;\n #endif\n }\n #else\n vec3 applyLightingPositional(vec3 posIS, vec4 tColor, vec4 normal, vec3 posVC)\n {\n // everything in VC\n vec3 diffuse = vec3(0.0);\n vec3 specular = vec3(0.0);\n #ifdef localAmbientOcclusionOn\n vec3 ambient = vec3(0.0);\n #endif\n vec3 vertLightDirection;\n for (int i = 0; i < lightNum; i++){\n float distance,attenuation,ndotL,vdotR;\n vec3 lightDir;\n if (lightPositional[i] == 1){\n lightDir = lightDirectionVC[i];\n vertLightDirection = posVC - lightPositionVC[i];\n distance = length(vertLightDirection);\n vertLightDirection = normalize(vertLightDirection);\n attenuation = 1.0 / (lightAttenuation[i].x\n + lightAttenuation[i].y * distance\n + lightAttenuation[i].z * distance * distance);\n // per OpenGL standard cone angle is 90 or less for a spot light\n if (lightConeAngle[i] <= 90.0){\n float coneDot = dot(vertLightDirection, lightDir);\n if (coneDot >= cos(radians(lightConeAngle[i]))){ // if inside cone\n attenuation = attenuation * pow(coneDot, lightExponent[i]);\n }\n else {\n attenuation = 0.0;\n }\n }\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * attenuation * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * attenuation * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n } else {\n vertLightDirection = lightDirectionVC[i];\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n }\n }\n #ifdef localAmbientOcclusionOn\n return tColor.rgb * (diffuse * vDiffuse + vAmbient * ambient) + specular*vSpecular;\n #else\n return tColor.rgb * (diffuse * vDiffuse + vAmbient) + specular*vSpecular;\n #endif\n }\n #endif\n #endif\n#endif\n\n//=======================================================================\n// Given a texture value compute the color and opacity\n//\nvec4 getColorForValue(vec4 tValue, vec3 posIS, vec3 tstep)\n{\n#ifdef vtkImageLabelOutlineOn\n vec3 centerPosIS = fragCoordToIndexSpace(gl_FragCoord); // pos in texture space\n vec4 centerValue = getTextureValue(centerPosIS);\n bool pixelOnBorder = false;\n vec4 tColor = texture2D(ctexture, vec2(centerValue.r * cscale0 + cshift0, 0.5));\n\n // Get alpha of segment from opacity function.\n tColor.a = texture2D(otexture, vec2(centerValue.r * oscale0 + oshift0, 0.5)).r;\n\n int segmentIndex = int(centerValue.r * 255.0);\n \n // Use texture sampling for outlineThickness\n float textureCoordinate = float(segmentIndex - 1) / 1024.0;\n float textureValue = texture2D(ttexture, vec2(textureCoordinate, 0.5)).r;\n\n int actualThickness = int(textureValue * 255.0);\n\n if (actualThickness == 0) {\n return vec4(0, 0, 1, 1);\n }\n\n // Only perform outline check on fragments rendering voxels that aren't invisible.\n // Saves a bunch of needless checks on the background.\n // TODO define epsilon when building shader?\n if (float(tColor.a) > 0.01) {\n for (int i = -actualThickness; i <= actualThickness; i++) {\n for (int j = -actualThickness; j <= actualThickness; j++) {\n if (i == 0 || j == 0) {\n continue;\n }\n\n vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n gl_FragCoord.y + float(j),\n gl_FragCoord.z, gl_FragCoord.w);\n\n vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n vec4 value = getTextureValue(neighborPosIS);\n\n // If any of my neighbours are not the same value as I\n // am, this means I am on the border of the segment.\n // We can break the loops\n if (any(notEqual(value, centerValue))) {\n pixelOnBorder = true;\n break;\n }\n }\n\n if (pixelOnBorder == true) {\n break;\n }\n }\n\n // If I am on the border, I am displayed at full opacity\n if (pixelOnBorder == true) {\n tColor.a = outlineOpacity;\n }\n }\n\n#else\n // compute the normal and gradient magnitude if needed\n // We compute it as a vec4 if possible otherwise a mat4\n //\n vec4 goFactor = vec4(1.0,1.0,1.0,1.0);\n\n // compute the normal vectors as needed\n #if (vtkLightComplexity > 0) || defined(vtkGradientOpacityOn)\n #if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\n mat4 normalMat = computeMat4Normal(posIS, tValue, tstep);\n #if !defined(vtkComponent0Proportional)\n vec4 normal0 = normalMat[0];\n #endif\n #if !defined(vtkComponent1Proportional)\n vec4 normal1 = normalMat[1];\n #endif\n #if vtkNumComponents > 2\n #if !defined(vtkComponent2Proportional)\n vec4 normal2 = normalMat[2];\n #endif\n #if vtkNumComponents > 3\n #if !defined(vtkComponent3Proportional)\n vec4 normal3 = normalMat[3];\n #endif\n #endif\n #endif\n #else\n vec4 normalLight;\n #ifdef vtkComputeNormalFromOpacity\n vec3 scalarInterp[2];\n vec4 normal0 = computeNormalForDensity(posIS, tstep, scalarInterp);\n if (length(normal0)>0.0){\n #ifdef vtkGradientOpacityOn\n normalLight = computeDensityNormal(normal0.w, scalarInterp);\n #else\n normalLight = computeDensityNormal(scalarInterp);\n #endif\n if (length(normalLight) == 0.0){\n normalLight = normal0;\n }\n }\n #else\n vec4 normal0 = computeNormal(posIS, tstep);\n normalLight = normal0;\n #endif\n #endif\n #endif\n\n // compute gradient opacity factors as needed\n #if defined(vtkGradientOpacityOn)\n #if !defined(vtkComponent0Proportional)\n goFactor.x =\n computeGradientOpacityFactor(normal0.a, goscale0, goshift0, gomin0, gomax0);\n #endif\n #if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\n #if !defined(vtkComponent1Proportional)\n goFactor.y =\n computeGradientOpacityFactor(normal1.a, goscale1, goshift1, gomin1, gomax1);\n #endif\n #if vtkNumComponents > 2\n #if !defined(vtkComponent2Proportional)\n goFactor.z =\n computeGradientOpacityFactor(normal2.a, goscale2, goshift2, gomin2, gomax2);\n #endif\n #if vtkNumComponents > 3\n #if !defined(vtkComponent3Proportional)\n goFactor.w =\n computeGradientOpacityFactor(normal3.a, goscale3, goshift3, gomin3, gomax3);\n #endif\n #endif\n #endif\n #endif\n #endif\n\n // single component is always independent\n #if vtkNumComponents == 1\n vec4 tColor = texture2D(ctexture, vec2(tValue.r * cscale0 + cshift0, 0.5));\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n if (tColor.a < EPSILON){\n return vec4(0.0);\n }\n #endif\n\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n vec4 tColor = mix0*texture2D(ctexture, vec2(tValue.r * cscale0 + cshift0, height0));\n #if !defined(vtkComponent0Proportional)\n tColor.a = goFactor.x*mix0*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, height0)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, height0)).r;\n tColor *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix0));\n #endif\n\n vec3 tColor1 = mix1*texture2D(ctexture, vec2(tValue.g * cscale1 + cshift1, height1)).rgb;\n #if !defined(vtkComponent1Proportional)\n tColor.a += goFactor.y*mix1*texture2D(otexture, vec2(tValue.g * oscale1 + oshift1, height1)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.g * oscale1 + oshift1, height1)).r;\n tColor1 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix1));\n #endif\n\n #if vtkNumComponents >= 3\n vec3 tColor2 = mix2*texture2D(ctexture, vec2(tValue.b * cscale2 + cshift2, height2)).rgb;\n #if !defined(vtkComponent2Proportional)\n tColor.a += goFactor.z*mix2*texture2D(otexture, vec2(tValue.b * oscale2 + oshift2, height2)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.b * oscale2 + oshift2, height2)).r;\n tColor2 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix2));\n #endif\n\n #if vtkNumComponents >= 4\n vec3 tColor3 = mix3*texture2D(ctexture, vec2(tValue.a * cscale3 + cshift3, height3)).rgb;\n #if !defined(vtkComponent3Proportional)\n tColor.a += goFactor.w*mix3*texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, height3)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, height3)).r;\n tColor3 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix3));\n #endif\n #endif\n #endif\n #else // then not independent\n\n #if vtkNumComponents == 2\n float lum = tValue.r * cscale0 + cshift0;\n float alpha = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale1 + oshift1, 0.5)).r;\n vec4 tColor = vec4(lum, lum, lum, alpha);\n #endif\n #if vtkNumComponents == 3\n vec4 tColor;\n tColor.r = tValue.r * cscale0 + cshift0;\n tColor.g = tValue.g * cscale1 + cshift1;\n tColor.b = tValue.b * cscale2 + cshift2;\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale0 + oshift0, 0.5)).r;\n #endif\n #if vtkNumComponents == 4\n vec4 tColor;\n tColor.r = tValue.r * cscale0 + cshift0;\n tColor.g = tValue.g * cscale1 + cshift1;\n tColor.b = tValue.b * cscale2 + cshift2;\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, 0.5)).r;\n #endif\n #endif // dependent\n\n // apply lighting if requested as appropriate\n #if vtkLightComplexity > 0\n #if !defined(vtkComponent0Proportional)\n #if vtkNumComponents == 1\n #ifdef SurfaceShadowOn\n #if vtkLightComplexity < 3\n vec3 tColorS = applyLightingDirectional(posIS, tColor, normalLight);\n #else\n vec3 tColorS = applyLightingPositional(posIS, tColor, normalLight, IStoVC(posIS));\n #endif\n #endif\n\n #ifdef VolumeShadowOn\n vec3 tColorVS = applyShadowRay(tColor.rgb, posIS, rayDirVC);\n #ifdef SurfaceShadowOn\n float vol_coef = volumetricScatteringBlending * (1.0 - tColor.a / 2.0) * (1.0 - atan(normalLight.w) * INV4PI);\n tColor.rgb = (1.0-vol_coef) * tColorS + vol_coef * tColorVS;\n #else\n tColor.rgb = tColorVS;\n #endif\n #else\n tColor.rgb = tColorS;\n #endif\n\n #else\n applyLighting(tColor.rgb, normal0);\n #endif\n #endif\n\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n #if !defined(vtkComponent1Proportional)\n applyLighting(tColor1, normal1);\n #endif\n #if vtkNumComponents >= 3\n #if !defined(vtkComponent2Proportional)\n applyLighting(tColor2, normal2);\n #endif\n #if vtkNumComponents >= 4\n #if !defined(vtkComponent3Proportional)\n applyLighting(tColor3, normal3);\n #endif\n #endif\n #endif\n #endif\n #endif\n\n// perform final independent blend as needed\n#if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n tColor.rgb += tColor1;\n#if vtkNumComponents >= 3\n tColor.rgb += tColor2;\n#if vtkNumComponents >= 4\n tColor.rgb += tColor3;\n#endif\n#endif\n#endif\n\n#endif\nreturn tColor;\n}\n\nbool valueWithinScalarRange(vec4 val, vec4 min, vec4 max) {\n bool withinRange = false;\n #if vtkNumComponents == 1\n if (val.r >= min.r && val.r <= max.r) {\n withinRange = true;\n }\n #endif\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents == 2\n if (val.r >= min.r && val.r <= max.r &&\n val.g >= min.g && val.g <= max.g) {\n withinRange = true;\n }\n #endif\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 3\n if (all(greaterThanEqual(val, ipScalarRangeMin)) &&\n all(lessThanEqual(val, ipScalarRangeMax))) {\n withinRange = true;\n }\n #endif\n return withinRange;\n}\n\n//=======================================================================\n// Apply the specified blend mode operation along the ray's path.\n//\nvoid applyBlend(vec3 posIS, vec3 endIS, vec3 tdims)\n{\n vec3 tstep = 1.0/tdims;\n\n // start slightly inside and apply some jitter\n vec3 delta = endIS - posIS;\n vec3 stepIS = normalize(delta)*sampleDistanceIS;\n float raySteps = length(delta)/sampleDistanceIS;\n\n // avoid 0.0 jitter\n float jitter = 0.01 + 0.99*texture2D(jtexture, gl_FragCoord.xy/32.0).r;\n float stepsTraveled = jitter;\n\n // local vars for the loop\n vec4 color = vec4(0.0, 0.0, 0.0, 0.0);\n vec4 tValue;\n vec4 tColor;\n\n // if we have less than one step then pick the middle point\n // as our value\n // if (raySteps <= 1.0)\n // {\n // posIS = (posIS + endIS)*0.5;\n // }\n\n // Perform initial step at the volume boundary\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n #if vtkBlendMode == 0 // COMPOSITE_BLEND\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n\n // handle very thin volumes\n if (raySteps <= 1.0)\n {\n tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps);\n gl_FragData[0] = tColor;\n return;\n }\n\n tColor.a = 1.0 - pow(1.0 - tColor.a, jitter);\n color = vec4(tColor.rgb*tColor.a, tColor.a);\n posIS += (jitter*stepIS);\n\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n\n float mix = (1.0 - color.a);\n\n // this line should not be needed but nvidia seems to not handle\n // the break correctly on windows/chrome 58 angle\n //mix = mix * sign(max(raySteps - stepsTraveled - 1.0, 0.0));\n\n color = color + vec4(tColor.rgb*tColor.a, tColor.a)*mix;\n stepsTraveled++;\n posIS += stepIS;\n if (color.a > 0.99) { color.a = 1.0; break; }\n }\n\n if (color.a < 0.99 && (raySteps - stepsTraveled) > 0.0)\n {\n posIS = endIS;\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps - stepsTraveled);\n\n float mix = (1.0 - color.a);\n color = color + vec4(tColor.rgb*tColor.a, tColor.a)*mix;\n }\n\n gl_FragData[0] = vec4(color.rgb/color.a, color.a);\n #endif\n #if vtkBlendMode == 1 || vtkBlendMode == 2\n // MAXIMUM_INTENSITY_BLEND || MINIMUM_INTENSITY_BLEND\n // Find maximum/minimum intensity along the ray.\n\n // Define the operation we will use (min or max)\n #if vtkBlendMode == 1\n #define OP max\n #else\n #define OP min\n #endif\n\n // If the clipping range is shorter than the sample distance\n // we can skip the sampling loop along the ray.\n if (raySteps <= 1.0)\n {\n gl_FragData[0] = getColorForValue(tValue, posIS, tstep);\n return;\n }\n\n vec4 value = tValue;\n posIS += (jitter*stepIS);\n\n // Sample along the ray until MaximumSamplesValue,\n // ending slightly inside the total distance\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n // If we have reached the last step, break\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // Update the maximum value if necessary\n value = OP(tValue, value);\n\n // Otherwise, continue along the ray\n stepsTraveled++;\n posIS += stepIS;\n }\n\n // Perform the last step along the ray using the\n // residual distance\n posIS = endIS;\n tValue = getTextureValue(posIS);\n value = OP(tValue, value);\n\n // Now map through opacity and color\n gl_FragData[0] = getColorForValue(value, posIS, tstep);\n #endif\n #if vtkBlendMode == 3 || vtkBlendMode == 4 //AVERAGE_INTENSITY_BLEND || ADDITIVE_BLEND\n vec4 sum = vec4(0.);\n\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n sum += tValue;\n }\n\n if (raySteps <= 1.0) {\n gl_FragData[0] = getColorForValue(sum, posIS, tstep);\n return;\n }\n\n posIS += (jitter*stepIS);\n\n // Sample along the ray until MaximumSamplesValue,\n // ending slightly inside the total distance\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n // If we have reached the last step, break\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // One can control the scalar range by setting the AverageIPScalarRange to disregard scalar values, not in the range of interest, from the average computation.\n // Notes:\n // - We are comparing all values in the texture to see if any of them\n // are outside of the scalar range. In the future we might want to allow\n // scalar ranges for each component.\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n // Sum the values across each step in the path\n sum += tValue;\n }\n stepsTraveled++;\n posIS += stepIS;\n }\n\n // Perform the last step along the ray using the\n // residual distance\n posIS = endIS;\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // One can control the scalar range by setting the IPScalarRange to disregard scalar values, not in the range of interest, from the average computation\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n sum += tValue;\n\n stepsTraveled++;\n }\n\n #if vtkBlendMode == 3 // Average\n sum /= vec4(stepsTraveled, stepsTraveled, stepsTraveled, 1.0);\n #endif\n\n gl_FragData[0] = getColorForValue(sum, posIS, tstep);\n #endif\n #if vtkBlendMode == 5 // RADON\n float normalizedRayIntensity = 1.0;\n\n // handle very thin volumes\n if (raySteps <= 1.0)\n {\n tValue = getTextureValue(posIS);\n normalizedRayIntensity = normalizedRayIntensity - sampleDistance*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n gl_FragData[0] = texture2D(ctexture, vec2(normalizedRayIntensity, 0.5));\n return;\n }\n\n posIS += (jitter*stepIS);\n\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar value\n tValue = getTextureValue(posIS);\n\n // Convert scalar value to normalizedRayIntensity coefficient and accumulate normalizedRayIntensity\n normalizedRayIntensity = normalizedRayIntensity - sampleDistance*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n\n posIS += stepIS;\n stepsTraveled++;\n }\n\n // map normalizedRayIntensity to color\n gl_FragData[0] = texture2D(ctexture, vec2(normalizedRayIntensity , 0.5));\n\n #endif\n}\n\n//=======================================================================\n// Compute a new start and end point for a given ray based\n// on the provided bounded clipping plane (aka a rectangle)\nvoid getRayPointIntersectionBounds(\n vec3 rayPos, vec3 rayDir,\n vec3 planeDir, float planeDist,\n inout vec2 tbounds, vec3 vPlaneX, vec3 vPlaneY,\n float vSize1, float vSize2)\n{\n float result = dot(rayDir, planeDir);\n if (abs(result) < 1e-6)\n {\n return;\n }\n result = -1.0 * (dot(rayPos, planeDir) + planeDist) / result;\n vec3 xposVC = rayPos + rayDir*result;\n vec3 vxpos = xposVC - vOriginVC;\n vec2 vpos = vec2(\n dot(vxpos, vPlaneX),\n dot(vxpos, vPlaneY));\n\n // on some apple nvidia systems this does not work\n // if (vpos.x < 0.0 || vpos.x > vSize1 ||\n // vpos.y < 0.0 || vpos.y > vSize2)\n // even just\n // if (vpos.x < 0.0 || vpos.y < 0.0)\n // fails\n // so instead we compute a value that represents in and out\n //and then compute the return using this value\n float xcheck = max(0.0, vpos.x * (vpos.x - vSize1)); // 0 means in bounds\n float check = sign(max(xcheck, vpos.y * (vpos.y - vSize2))); // 0 means in bounds, 1 = out\n\n tbounds = mix(\n vec2(min(tbounds.x, result), max(tbounds.y, result)), // in value\n tbounds, // out value\n check); // 0 in 1 out\n}\n\n//=======================================================================\n// given a\n// - ray direction (rayDir)\n// - starting point (vertexVCVSOutput)\n// - bounding planes of the volume\n// - optionally depth buffer values\n// - far clipping plane\n// compute the start/end distances of the ray we need to cast\nvec2 computeRayDistances(vec3 rayDir, vec3 tdims)\n{\n vec2 dists = vec2(100.0*camFar, -1.0);\n\n vec3 vSize = vSpacing*tdims;\n\n // all this is in View Coordinates\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal0, vPlaneDistance0, dists, vPlaneNormal2, vPlaneNormal4,\n vSize.y, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal1, vPlaneDistance1, dists, vPlaneNormal2, vPlaneNormal4,\n vSize.y, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal2, vPlaneDistance2, dists, vPlaneNormal0, vPlaneNormal4,\n vSize.x, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal3, vPlaneDistance3, dists, vPlaneNormal0, vPlaneNormal4,\n vSize.x, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal4, vPlaneDistance4, dists, vPlaneNormal0, vPlaneNormal2,\n vSize.x, vSize.y);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal5, vPlaneDistance5, dists, vPlaneNormal0, vPlaneNormal2,\n vSize.x, vSize.y);\n\n //VTK::ClipPlane::Impl\n\n // do not go behind front clipping plane\n dists.x = max(0.0,dists.x);\n\n // do not go PAST far clipping plane\n float farDist = -camThick/rayDir.z;\n dists.y = min(farDist,dists.y);\n\n // Do not go past the zbuffer value if set\n // This is used for intermixing opaque geometry\n //VTK::ZBuffer::Impl\n\n return dists;\n}\n\n//=======================================================================\n// Compute the index space starting position (pos) and end\n// position\n//\nvoid computeIndexSpaceValues(out vec3 pos, out vec3 endPos, vec3 rayDir, vec2 dists)\n{\n // compute starting and ending values in volume space\n pos = vertexVCVSOutput + dists.x*rayDir;\n pos = pos - vOriginVC;\n // convert to volume basis and origin\n pos = vec3(\n dot(pos, vPlaneNormal0),\n dot(pos, vPlaneNormal2),\n dot(pos, vPlaneNormal4));\n\n endPos = vertexVCVSOutput + dists.y*rayDir;\n endPos = endPos - vOriginVC;\n endPos = vec3(\n dot(endPos, vPlaneNormal0),\n dot(endPos, vPlaneNormal2),\n dot(endPos, vPlaneNormal4));\n\n float delta = length(endPos - pos);\n\n pos *= vVCToIJK;\n endPos *= vVCToIJK;\n\n float delta2 = length(endPos - pos);\n sampleDistanceIS = sampleDistance*delta2/delta;\n #ifdef VolumeShadowOn\n sampleDistanceISVS = sampleDistanceIS * volumeShadowSamplingDistFactor;\n #endif\n}\n\nvoid main()\n{\n\n if (cameraParallel == 1)\n {\n // Camera is parallel, so the rayDir is just the direction of the camera.\n rayDirVC = vec3(0.0, 0.0, -1.0);\n } else {\n // camera is at 0,0,0 so rayDir for perspective is just the vc coord\n rayDirVC = normalize(vertexVCVSOutput);\n }\n\n vec3 tdims = vec3(volumeDimensions);\n\n // compute the start and end points for the ray\n vec2 rayStartEndDistancesVC = computeRayDistances(rayDirVC, tdims);\n\n // do we need to composite? aka does the ray have any length\n // If not, bail out early\n if (rayStartEndDistancesVC.y <= rayStartEndDistancesVC.x)\n {\n discard;\n }\n\n // IS = Index Space\n vec3 posIS;\n vec3 endIS;\n computeIndexSpaceValues(posIS, endIS, rayDirVC, rayStartEndDistancesVC);\n\n // Perform the blending operation along the ray\n applyBlend(posIS, endIS, tdims);\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let i=n.Fragment;o.getProperty().getInterpolationType()===el.LINEAR&&(i=Ca.substitute(i,"//VTK::TrilinearOn","#define vtkTrilinearOn").result),!0===o.getProperty().getUseLabelOutline()&&(i=Ca.substitute(i,"//VTK::ImageLabelOutlineOn","#define vtkImageLabelOutlineOn").result);const a=t.scalarTexture.getComponents();i=Ca.substitute(i,"//VTK::NumComponents",`#define vtkNumComponents ${a}`).result;const s=o.getProperty().getIndependentComponents();if(s){i=Ca.substitute(i,"//VTK::IndependentComponentsOn","#define vtkIndependentComponentsOn").result;const e=[];for(let t=0;t0&&(i=Ca.substitute(i,"//VTK::vtkProportionalComponents",e.join("\n")).result)}const l=t.currentInput.getSpatialExtent(),u=t.currentInput.getSpacing(),c=new Float64Array(3);jt(c,(l[1]-l[0])*u[0],(l[3]-l[2])*u[1],(l[5]-l[4])*u[2]);const d=Gt(c)/e.getCurrentSampleDistance(r);i=Ca.substitute(i,"//VTK::MaximumSamplesValue",`${Math.ceil(d)}`).result,i=Ca.substitute(i,"//VTK::LightComplexity",`#define vtkLightComplexity ${t.lastLightComplexity}`).result,t.lastLightComplexity>0&&(t.renderable.getVolumetricScatteringBlending()>0&&(i=Ca.substitute(i,"//VTK::VolumeShadowOn","#define VolumeShadowOn").result),t.renderable.getVolumetricScatteringBlending()<1&&(i=Ca.substitute(i,"//VTK::SurfaceShadowOn","#define SurfaceShadowOn").result),t.renderable.getLocalAmbientOcclusion()&&o.getProperty().getAmbient()>0&&(i=Ca.substitute(i,"//VTK::localAmbientOcclusionOn","#define localAmbientOcclusionOn").result)),t.gopacity=o.getProperty().getUseGradientOpacity(0);for(let e=1;s&&!t.gopacity&&e{if(0===t.lastLightComplexity)return;let o=e.Fragment,i=0;n.getLights().forEach((e=>{e.getSwitch()&&(i+=1)})),o=Ca.substitute(o,"//VTK::Light::Dec",["uniform int lightNum;","uniform bool twoSidedLighting;",`uniform vec3 lightColor[${i}];`,`uniform vec3 lightDirectionVC[${i}]; // normalized`,`uniform vec3 lightHalfAngleVC[${i}];`,"//VTK::Light::Dec"],!1).result,3===t.lastLightComplexity&&(o=Ca.substitute(o,"//VTK::Light::Dec",[`uniform vec3 lightPositionVC[${i}];`,`uniform vec3 lightAttenuation[${i}];`,`uniform float lightConeAngle[${i}];`,`uniform float lightExponent[${i}];`,`uniform int lightPositional[${i}];`],!1).result),t.renderable.getVolumetricScatteringBlending()>0&&(o=Ca.substitute(o,"//VTK::VolumeShadow::Dec",["uniform float volumetricScatteringBlending;","uniform float giReach;","uniform float volumeShadowSamplingDistFactor;","uniform float anisotropy;","uniform float anisotropy2;"],!1).result),t.renderable.getLocalAmbientOcclusion()&&r.getProperty().getAmbient()>0&&(o=Ca.substitute(o,"//VTK::LAO::Dec",["uniform int kernelRadius;",`uniform vec2 kernelSample[${t.renderable.getLAOKernelRadius()}];`,"uniform int kernelSize;"],!1).result),e.Fragment=o},e.replaceShaderClippingPlane=(e,n,r)=>{let o=e.Fragment;if(t.renderable.getClippingPlanes().length>0){const e=t.renderable.getClippingPlanes().length;o=Ca.substitute(o,"//VTK::ClipPlane::Dec",["uniform vec3 vClipPlaneNormals[6];","uniform float vClipPlaneDistances[6];","uniform vec3 vClipPlaneOrigins[6];","uniform int clip_numPlanes;","//VTK::ClipPlane::Dec","#define vtkClippingPlanesOn"],!1).result,o=Ca.substitute(o,"//VTK::ClipPlane::Impl",[`for(int i = 0; i < ${e}; i++) {`," float rayDirRatio = dot(rayDir, vClipPlaneNormals[i]);"," float equationResult = dot(vertexVCVSOutput, vClipPlaneNormals[i]) + vClipPlaneDistances[i];"," if (rayDirRatio == 0.0)"," {"," if (equationResult < 0.0) dists.x = dists.y;"," continue;"," }"," float result = -1.0 * equationResult / rayDirRatio;"," if (rayDirRatio < 0.0) dists.y = min(dists.y, result);"," else dists.x = max(dists.x, result);","}","//VTK::ClipPlane::Impl"],!1).result}e.Fragment=o},e.getNeedToRebuildShaders=(n,r,o)=>{let i=0;o.getProperty().getShade()&&t.renderable.getBlendMode()===rl.COMPOSITE_BLEND&&(i=0,t.numberOfLights=0,r.getLights().forEach((e=>{e.getSwitch()>0&&(t.numberOfLights++,0===i&&(i=1)),1===i&&(t.numberOfLights>1||1!==e.getIntensity()||!e.lightTypeIsHeadLight())&&(i=2),i<3&&e.getPositional()&&(i=3)})));let a=!1;t.lastLightComplexity!==i&&(t.lastLightComplexity=i,a=!0);const s=t.scalarTexture.getComponents(),l=o.getProperty().getIndependentComponents();let u=!1;const c=[];if(l){for(let e=0;e0&&(u=!0)}const d=t.currentInput.getSpatialExtent(),p=t.currentInput.getSpacing(),f=new Float64Array(3);jt(f,(d[1]-d[0])*p[0],(d[3]-d[2])*p[1],(d[5]-d[4])*p[2]);const h=Gt(f)/e.getCurrentSampleDistance(r),m={interpolationType:o.getProperty().getInterpolationType(),useLabelOutline:o.getProperty().getUseLabelOutline(),numComp:s,usesProportionalComponents:u,iComps:l,maxSamples:h,useGradientOpacity:o.getProperty().getUseGradientOpacity(0),blendMode:t.renderable.getBlendMode(),proportionalComponents:c};return t.previousState&&t.previousState.interpolationType===m.interpolationType&&t.previousState.useLabelOutline===m.useLabelOutline&&t.previousState.numComp===m.numComp&&t.previousState.usesProportionalComponents===m.usesProportionalComponents&&t.previousState.iComps===m.iComps&&t.previousState.maxSamples===m.maxSamples&&t.previousState.useGradientOpacity===m.useGradientOpacity&&t.previousState.blendMode===m.blendMode&&function(e,t){if(e.length!==t.length)return!1;for(let n=0;n{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o),e.getClippingPlaneShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const i=n.getProgram();n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(i.isAttributeUsed("vertexDC")&&(n.getVAO().addAttributeArray(i,n.getCABO(),"vertexDC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||al("Error setting vertexDC in shader VAO.")),n.getAttributeUpdateTime().modified()),i.setUniformi("texture1",t.scalarTexture.getTextureUnit()),i.setUniformf("sampleDistance",e.getCurrentSampleDistance(r));const a=t.scalarTexture.getVolumeInfo(),s=t.renderable.getIpScalarRange(),l=[],u=[];for(let e=0;e<4;e++)l[e]=s[0]*a.dataComputedScale[e]+a.dataComputedOffset[e],u[e]=s[1]*a.dataComputedScale[e]+a.dataComputedOffset[e],l[e]=(l[e]-a.offset[e])/a.scale[e],u[e]=(u[e]-a.offset[e])/a.scale[e];if(i.setUniform4f("ipScalarRangeMin",l[0],l[1],l[2],l[3]),i.setUniform4f("ipScalarRangeMax",u[0],u[1],u[2],u[3]),null!==t.zBufferTexture){i.setUniformi("zBufferTexture",t.zBufferTexture.getTextureUnit());const e=t._useSmallViewport?[t._smallViewportWidth,t._smallViewportHeight]:t._openGLRenderWindow.getFramebufferSize();i.setUniformf("vpZWidth",e[0]),i.setUniformf("vpZHeight",e[1])}},e.setCameraShaderParameters=(n,r,o)=>{const i=t.openGLCamera.getKeyMatrices(r),a=t.openGLVolume.getKeyMatrices();y(t.modelToView,i.wcvc,a.mcwc);const s=n.getProgram(),l=t.openGLCamera.getRenderable(),u=l.getClippingRange();s.setUniformf("camThick",u[1]-u[0]),s.setUniformf("camNear",u[0]),s.setUniformf("camFar",u[1]);const c=t.currentInput.getBounds(),d=t.currentInput.getDimensions(),p=new Float64Array(3),f=new Float64Array(3);let h=1,g=-1,v=1,b=-1;for(let e=0;e<8;++e)jt(p,c[e%2],c[2+Math.floor(e/2)%2],c[4+Math.floor(e/4)]),Yt(p,p,t.modelToView),l.getParallelProjection()||(Kt(f,p),Ht(p,f,-u[0]/p[2])),Yt(p,p,i.vcpc),h=Math.min(p[0],h),g=Math.max(p[0],g),v=Math.min(p[1],v),b=Math.max(p[1],b);s.setUniformf("dcxmin",h),s.setUniformf("dcxmax",g),s.setUniformf("dcymin",v),s.setUniformf("dcymax",b),s.isUniformUsed("cameraParallel")&&s.setUniformi("cameraParallel",l.getParallelProjection());const x=t.currentInput.getSpatialExtent(),_=t.currentInput.getSpacing(),T=new Float64Array(3);jt(T,(x[1]-x[0])*_[0],(x[3]-x[2])*_[1],(x[5]-x[4])*_[2]),s.setUniform3f("vSpacing",_[0],_[1],_[2]),jt(p,x[0],x[2],x[4]),t.currentInput.indexToWorldVec3(p,p),Yt(p,p,t.modelToView),s.setUniform3f("vOriginVC",p[0],p[1],p[2]);const S=t.currentInput.getIndexToWorld();y(t.idxToView,t.modelToView,S),le(t.idxNormalMatrix,i.normalMatrix,a.normalMatrix),le(t.idxNormalMatrix,t.idxNormalMatrix,t.currentInput.getDirectionByReference());const w=Gt(T)/e.getCurrentSampleDistance(r);w>t.renderable.getMaximumSamplesPerRay()&&il(`The number of steps required ${Math.ceil(w)} is larger than the\n specified maximum number of steps ${t.renderable.getMaximumSamplesPerRay()}.\n Please either change the\n volumeMapper sampleDistance or its maximum number of samples.`);const C=new Float64Array(3);if(jt(C,1,1,1),function(e,t,n){e[0]=t[0]/n[0],e[1]=t[1]/n[1],e[2]=t[2]/n[2]}(C,C,T),s.setUniform3f("vVCToIJK",C[0],C[1],C[2]),s.setUniform3i("volumeDimensions",d[0],d[1],d[2]),!t._openGLRenderWindow.getWebgl2()){const e=t.scalarTexture.getVolumeInfo();s.setUniformf("texWidth",t.scalarTexture.getWidth()),s.setUniformf("texHeight",t.scalarTexture.getHeight()),s.setUniformi("xreps",e.xreps),s.setUniformi("xstride",e.xstride),s.setUniformi("ystride",e.ystride)}const A=new Float64Array(3),E=new Float64Array(3);for(let e=0;e<6;++e){switch(e){case 1:jt(A,-1,0,0),jt(E,x[0],x[2],x[4]);break;case 2:jt(A,0,1,0),jt(E,x[1],x[3],x[5]);break;case 3:jt(A,0,-1,0),jt(E,x[0],x[2],x[4]);break;case 4:jt(A,0,0,1),jt(E,x[1],x[3],x[5]);break;case 5:jt(A,0,0,-1),jt(E,x[0],x[2],x[4]);break;default:jt(A,1,0,0),jt(E,x[1],x[3],x[5])}Jt(A,A,t.idxNormalMatrix),Yt(E,E,t.idxToView);const n=-1*qt(E,A);s.setUniform3f(`vPlaneNormal${e}`,A[0],A[1],A[2]),s.setUniformf(`vPlaneDistance${e}`,n)}if(o.getProperty().getUseLabelOutline()){const n=t.currentInput.getWorldToIndex();s.setUniformMatrix("vWCtoIDX",n);const o=r.getActiveCamera(),[i,a]=o.getClippingRange(),l=o.getDistance();o.setClippingRange(l,l+.1);const u=t.openGLCamera.getKeyMatrices(r);m(t.projectionToWorld,u.wcpc),o.setClippingRange(i,a),t.openGLCamera.getKeyMatrices(r),s.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const c=e.getRenderTargetSize();s.setUniformf("vpWidth",c[0]),s.setUniformf("vpHeight",c[1]);const d=e.getRenderTargetOffset();s.setUniformf("vpOffsetX",d[0]/c[0]),s.setUniformf("vpOffsetY",d[1]/c[1])}if(m(t.projectionToView,i.vcpc),s.setUniformMatrix("PCVCMatrix",t.projectionToView),0===t.lastLightComplexity)return;let D=0;const I=[],O=[],P=[];if(r.getLights().forEach((e=>{if(e.getSwitch()>0){const t=e.getColor(),n=e.getIntensity();I[0+3*D]=t[0]*n,I[1+3*D]=t[1]*n,I[2+3*D]=t[2]*n;const r=e.getDirection();jt(A,r[0],r[1],r[2]),Jt(A,A,i.normalMatrix),Kt(A,A),O[0+3*D]=A[0],O[1+3*D]=A[1],O[2+3*D]=A[2],P[0+3*D]=-.5*A[0],P[1+3*D]=-.5*A[1],P[2+3*D]=-.5*(A[2]-1),D++}})),s.setUniformi("twoSidedLighting",r.getTwoSidedLighting()),s.setUniformi("lightNum",D),s.setUniform3fv("lightColor",I),s.setUniform3fv("lightDirectionVC",O),s.setUniform3fv("lightHalfAngleVC",P),3===t.lastLightComplexity){D=0;const e=[],n=[],o=[],i=[],a=[];r.getLights().forEach((r=>{if(r.getSwitch()>0){const s=r.getAttenuationValues();n[0+3*D]=s[0],n[1+3*D]=s[1],n[2+3*D]=s[2],i[D]=r.getExponent(),o[D]=r.getConeAngle(),a[D]=r.getPositional();const l=r.getTransformedPosition();Yt(l,l,t.modelToView),e[0+3*D]=l[0],e[1+3*D]=l[1],e[2+3*D]=l[2],D+=1}})),s.setUniform3fv("lightPositionVC",e),s.setUniform3fv("lightAttenuation",n),s.setUniformfv("lightConeAngle",o),s.setUniformfv("lightExponent",i),s.setUniformiv("lightPositional",a)}if(t.renderable.getVolumetricScatteringBlending()>0&&(s.setUniformf("giReach",t.renderable.getGlobalIlluminationReach()),s.setUniformf("volumetricScatteringBlending",t.renderable.getVolumetricScatteringBlending()),s.setUniformf("volumeShadowSamplingDistFactor",t.renderable.getVolumeShadowSamplingDistFactor()),s.setUniformf("anisotropy",t.renderable.getAnisotropy()),s.setUniformf("anisotropy2",t.renderable.getAnisotropy()**2)),t.renderable.getLocalAmbientOcclusion()&&o.getProperty().getAmbient()>0){const e=t.renderable.getLAOKernelSize();s.setUniformi("kernelSize",e);const n=[];for(let t=0;t{const o=e.getProgram();o.setUniformi("ctexture",t.colorTexture.getTextureUnit()),o.setUniformi("otexture",t.opacityTexture.getTextureUnit()),o.setUniformi("jtexture",t.jitterTexture.getTextureUnit()),o.setUniformi("ttexture",t.labelOutlineThicknessTexture.getTextureUnit());const i=t.scalarTexture.getVolumeInfo(),a=r.getProperty(),s=t.scalarTexture.getComponents(),l=r.getProperty().getIndependentComponents();if(l&&s>=2)for(let e=0;e0&&(o.setUniformf("vAmbient",a.getAmbient()),o.setUniformf("vDiffuse",a.getDiffuse()),o.setUniformf("vSpecular",a.getSpecular()),o.setUniformf("vSpecularPower",a.getSpecularPower()))},e.getClippingPlaneShaderParameters=(e,n,r)=>{if(t.renderable.getClippingPlanes().length>0){const r=t.openGLCamera.getKeyMatrices(n),o=[],i=[],a=[],s=t.renderable.getClippingPlanes(),l=s.length;for(let e=0;e{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.getRenderTargetSize=()=>{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getCurrentSampleDistance=e=>{const n=e.getVTKWindow().getInteractor(),r=t.renderable.getSampleDistance();return n.isAnimating()?r*t.renderable.getInteractionSampleDistanceFactor():r},e.renderPieceStart=(n,r)=>{const o=n.getVTKWindow().getInteractor();if(t._lastScale||(t._lastScale=t.renderable.getInitialInteractionScale()),t._useSmallViewport=!1,o.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._animationRateSubscription||(t._animationRateSubscription=o.onAnimationFrameRateUpdate((()=>{if(t.renderable.getAutoAdjustSampleDistances()){const e=o.getRecentAnimationFrameRate(),n=o.getDesiredUpdateRate()/e;(n>1.15||n<.85)&&(t._lastScale*=n),t._lastScale>400&&(t._lastScale=400),t._lastScale<1.5&&(t._lastScale=1.5)}else t._lastScale=t.renderable.getImageSampleDistance()*t.renderable.getImageSampleDistance()}))),t._useSmallViewport){const e=t._openGLRenderWindow.getFramebufferSize(),n=1/Math.sqrt(t._lastScale);if(t._smallViewportWidth=Math.ceil(n*e[0]),t._smallViewportHeight=Math.ceil(n*e[1]),t._smallViewportHeight>e[1]&&(t._smallViewportHeight=e[1]),t._smallViewportWidth>e[0]&&(t._smallViewportWidth=e[0]),t.framebuffer.saveCurrentBindingsAndBuffers(),null===t.framebuffer.getGLFramebuffer())t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer();else{const n=t.framebuffer.getSize();n[0]===e[0]&&n[1]===e[1]||(t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer())}t.framebuffer.bind();const r=t.context;r.clearColor(0,0,0,0),r.colorMask(!0,!0,!0,!0),r.clear(r.COLOR_BUFFER_BIT),r.viewport(0,0,t._smallViewportWidth,t._smallViewportHeight),t.fvp=[t._smallViewportWidth/e[0],t._smallViewportHeight/e[1]]}t.context.disable(t.context.DEPTH_TEST),e.updateBufferObjects(n,r),r.getProperty().getInterpolationType()===el.NEAREST?(t.scalarTexture.setMinificationFilter(Qa.NEAREST),t.scalarTexture.setMagnificationFilter(Qa.NEAREST)):(t.scalarTexture.setMinificationFilter(Qa.LINEAR),t.scalarTexture.setMagnificationFilter(Qa.LINEAR)),t.lastBoundBO=null,null!==t.zBufferTexture&&t.zBufferTexture.activate()},e.renderPieceDraw=(n,r)=>{const o=t.context;t.scalarTexture.activate(),t.opacityTexture.activate(),t.labelOutlineThicknessTexture.activate(),t.colorTexture.activate(),t.jitterTexture.activate(),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.scalarTexture.deactivate(),t.colorTexture.deactivate(),t.opacityTexture.deactivate(),t.labelOutlineThicknessTexture.deactivate(),t.jitterTexture.deactivate()},e.renderPieceFinish=(e,n)=>{if(null!==t.zBufferTexture&&t.zBufferTexture.deactivate(),t._useSmallViewport){if(t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader){t.copyShader=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","uniform vec2 tfactor;","varying vec2 tcoord;","void main() { tcoord = vec2(vertexDC.x*0.5 + 0.5, vertexDC.y*0.5 + 0.5) * tfactor; gl_Position = vertexDC; }"].join("\n"),["//VTK::System::Dec","//VTK::Output::Dec","uniform sampler2D texture1;","varying vec2 tcoord;","void main() { gl_FragData[0] = texture2D(texture1,tcoord); }"].join("\n"),"");const e=t.copyShader;t.copyVAO=Ia.newInstance(),t.copyVAO.setOpenGLRenderWindow(t._openGLRenderWindow),t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(e,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||al("Error setting vertexDC in copy shader VAO.")}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(t.copyShader);const e=t._openGLRenderWindow.getFramebufferSize();t.context.viewport(0,0,e[0],e[1]);const n=t.framebuffer.getColorTexture();n.activate(),t.copyShader.setUniformi("texture",n.getTextureUnit()),t.copyShader.setUniform2f("tfactor",t.fvp[0],t.fvp[1]);const r=t.context;r.blendFuncSeparate(r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA),t.context.drawArrays(t.context.TRIANGLES,0,t.tris.getCABO().getElementCount()),n.deactivate(),r.blendFuncSeparate(r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):al("No input!")},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():yr(t.Bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const o=t.currentInput;if(!o)return;const i=o.getPointData()&&o.getPointData().getScalars();if(!i)return;t._scalars!==i&&(t._openGLRenderWindow.releaseGraphicsResourcesForObject(t._scalars),t._scalars=i);const a=r.getProperty();if(!t.jitterTexture.getHandle()){const e=new Uint8Array(1024);for(let t=0;t<1024;++t)e[t]=255*Math.random();t.jitterTexture.setMinificationFilter(Qa.LINEAR),t.jitterTexture.setMagnificationFilter(Qa.LINEAR),t.jitterTexture.create2DFromRaw(32,32,1,on.UNSIGNED_CHAR,e)}const s=i.getNumberOfComponents(),l=a.getIndependentComponents()?s:1,u=a.getScalarOpacity(),c=t._openGLRenderWindow.getGraphicsResourceForObject(u);let d=sl(a,u,l);if(c.vtkObj&&c.hash===d&&t.opacityTextureString===d)t.opacityTexture=c.vtkObj,t.opacityTextureString=c.hash;else{const r=1024,o=2*r*l,i=new Float32Array(o),s=new Float32Array(r);for(let t=0;t1?1:-1,e[3*t+2]=-1;const n=new Uint16Array(8);n[0]=3,n[1]=0,n[2]=1,n[3]=3,n[4]=3,n[5]=0,n[6]=3,n[7]=2;const r=Wr.newInstance({numberOfComponents:3,values:e});r.setName("points");const o=Wr.newInstance({numberOfComponents:1,values:n});t.tris.getCABO().createVBO(o,"polys",ua.SURFACE,{points:r,cellOffset:0})}t.VBOBuildTime.modified()},e.updateLabelOutlineThicknessTexture=e=>{const n=e.getProperty().getLabelOutlineThickness(),r=t._openGLRenderWindow.getGraphicsResourceForObject(n),o=`${n.join("-")}`;if(r?.vtkObj&&r?.hash===o&&t.labelOutlineThicknessTextureString===o)t.labelOutlineThicknessTexture=r.vtkObj,t.labelOutlineThicknessTextureString=r.hash;else{const e=1024,r=1,i=new Uint8Array(e*r);for(let t=0;t2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ul,n),Tt.extend(e,t,n),t.VBOBuildTime={},je(t.VBOBuildTime,{mtime:0}),t.tris=Ra.newInstance(),t.scalarTexture=hs.newInstance(),t.opacityTexture=hs.newInstance(),t.colorTexture=hs.newInstance(),t.jitterTexture=hs.newInstance(),t.jitterTexture.setWrapS(Ja.REPEAT),t.jitterTexture.setWrapT(Ja.REPEAT),t.labelOutlineThicknessTexture=hs.newInstance(),t.framebuffer=Zs.newInstance(),t.idxToView=f(new Float64Array(16)),t.idxNormalMatrix=ae(new Float64Array(9)),t.modelToView=f(new Float64Array(16)),t.projectionToView=f(new Float64Array(16)),t.projectionToWorld=f(new Float64Array(16)),$e(e,t,["context"]),ll(e,t)}),"vtkOpenGLVolumeMapper");Dt("vtkVolumeMapper",cl);const{vtkDebugMacro:dl}=vt;function pl(e,t){t.classHierarchy.push("vtkOpenGLPixelSpaceCallbackMapper"),e.opaquePass=(n,r)=>{t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent();const o=t._openGLRenderer.getAspectRatio(),i=t._openGLRenderer?t._openGLRenderer.getRenderable().getActiveCamera():null,a=t._openGLRenderer.getTiledSizeAndOrigin();let s=null;if(t.renderable.getUseZValues()){const e=r.getZBufferTexture(),n=Math.floor(e.getWidth()),o=Math.floor(e.getHeight()),i=t._openGLRenderWindow.getContext();e.bind();const a=r.getFramebuffer();a?a.saveCurrentBindingsAndBuffers():dl("No framebuffer to save/restore");const l=i.createFramebuffer();i.bindFramebuffer(i.FRAMEBUFFER,l),i.framebufferTexture2D(i.FRAMEBUFFER,i.COLOR_ATTACHMENT0,i.TEXTURE_2D,e.getHandle(),0),i.checkFramebufferStatus(i.FRAMEBUFFER)===i.FRAMEBUFFER_COMPLETE&&(s=new Uint8Array(n*o*4),i.viewport(0,0,n,o),i.readPixels(0,0,n,o,i.RGBA,i.UNSIGNED_BYTE,s)),a&&a.restorePreviousBindingsAndBuffers(),i.deleteFramebuffer(l)}t.renderable.invokeCallback(t.renderable.getInputData(),i,o,a,s)},e.queryPass=(e,n)=>{e&&t.renderable.getUseZValues()&&n.requestDepth()}}const fl={};const hl=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,fl,n),Tt.extend(e,t,n),pl(e,t)}),"vtkOpenGLPixelSpaceCallbackMapper");Dt("vtkPixelSpaceCallbackMapper",hl);const ml=Object.create(null);function gl(e,t){ml[e]=t}function vl(e,t){t.classHierarchy.push("vtkWebGPUViewNodeFactory")}const yl={};function bl(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,yl,n),t.overrides=ml,At.extend(e,t,n),vl(0,t)}var xl={newInstance:gt.newInstance(bl,"vtkWebGPUViewNodeFactory"),extend:bl};function _l(e,t){t.classHierarchy.push("vtkWebGPUCamera"),e.getProjectionMatrix=(e,n,r,o)=>{if(f(e),t.renderable.getParallelProjection()){const i=t.renderable.getParallelScale(),a=i*n,s=i,l=(o[0]-1)*a,u=(o[0]+1)*a,c=(o[1]-1)*s,d=(o[1]+1)*s,p=1/(u-l),f=1/(d-c);e[0]=2*p,e[5]=2*f,e[10]=1/(r[1]-r[0]),e[12]=(u+l)*p,e[13]=(d+c)*f,e[14]=r[1]/(r[1]-r[0])}else{const i=Math.tan(Math.PI*t.renderable.getViewAngle()/360);let a,s;!0===t.renderable.getUseHorizontalViewAngle()?(a=r[0]*i,s=r[0]*i/n):(a=r[0]*i*n,s=r[0]*i);const l=(o[0]-1)*a,u=(o[0]+1)*a,c=(o[1]-1)*s,d=(o[1]+1)*s;e[0]=2*r[0]/(u-l),e[5]=2*r[0]/(d-c),e[12]=(l+u)/(u-l),e[13]=(c+d)/(d-c),e[10]=0,e[14]=r[0],e[11]=-1,e[15]=0}},e.convertToOpenGLDepth=e=>{if(t.renderable.getParallelProjection())return 1-e;const n=t.renderable.getClippingRangeByReference();let r=-n[0]/e;return 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lu(e,t){t.classHierarchy.push("vtkWebGPUFullScreenQuad"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position"),r.addOutput("vec4","vertexVC");let o=r.getCode();o=Fl.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4(vertexBC, 1.0);","output.vertexVC = vec4(vertexBC, 1);"]).result,r.setCode(o)},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.updateBuffers=()=>{const e=t.device.getBufferManager().getFullScreenQuadBuffer();t.vertexInput.addBuffer(e,["vertexBC"]),t.numberOfVertices=6}}const uu={};function cu(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uu,n),su.extend(e,t,n),lu(e,t)}var du={newInstance:gt.newInstance(cu,"vtkWebGPUFullScreenQuad"),extend:cu},pu={BufferUsage:{Verts:0,Lines:1,Triangles:2,Strips:3,LinesFromStrips:4,LinesFromTriangles:5,Points:6,UniformArray:7,PointArray:8,NormalsFromPoints:9,Texture:10,RawVertex:11,Storage:12,Index:13},PrimitiveTypes:{Start:0,Points:0,Lines:1,Triangles:2,TriangleStrips:3,TriangleEdges:4,TriangleStripEdges:5,End:6}};const fu=["getMappedRange","mapAsync","unmap"];function hu(e,t){t.classHierarchy.push("vtkWebGPUBuffer"),e.create=(e,n)=>{t.handle=t.device.getHandle().createBuffer({size:e,usage:n,label:t.label}),t.sizeInBytes=e,t.usage=n},e.write=e=>{!function(e,t,n,r){const o=r.byteLength,i=e.createBuffer({size:o,usage:GPUBufferUsage.COPY_SRC,mappedAtCreation:!0}),a=i.getMappedRange(0,o);new Uint8Array(a).set(new Uint8Array(r)),i.unmap();const s=e.createCommandEncoder();s.copyBufferToBuffer(i,0,t,0,o);const l=s.finish();e.queue.submit([l]),i.destroy()}(t.device.getHandle(),t.handle,0,e.buffer)},e.createAndWrite=(e,n)=>{t.handle=t.device.getHandle().createBuffer({size:e.byteLength,usage:n,mappedAtCreation:!0,label:t.label}),t.sizeInBytes=e.byteLength,t.usage=n,new Uint8Array(t.handle.getMappedRange()).set(new Uint8Array(e.buffer)),t.handle.unmap()};for(let n=0;n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,mu,n),gt.obj(e,t),gt.get(e,t,["handle","sizeInBytes","usage"]),gt.setGet(e,t,["strideInBytes","device","arrayInformation","label","sourceTime"]),hu(e,t)}var vu={newInstance:gt.newInstance(gu),extend:gu,...pu};const{Representation:yu,Interpolation:bu}=ca;function xu(e){return()=>gt.vtkErrorMacro(`vtkProperty::${e} - NOT IMPLEMENTED`)}function _u(e,t){t.classHierarchy.push("vtkProperty"),e.setColor=(n,r,o)=>{Array.isArray(n)?t.color[0]===n[0]&&t.color[1]===n[1]&&t.color[2]===n[2]||(t.color[0]=n[0],t.color[1]=n[1],t.color[2]=n[2],e.modified()):t.color[0]===n&&t.color[1]===r&&t.color[2]===o||(t.color[0]=n,t.color[1]=r,t.color[2]=o,e.modified()),e.setDiffuseColor(t.color),e.setAmbientColor(t.color),e.setSpecularColor(t.color)},e.computeCompositeColor=xu("ComputeCompositeColor"),e.getColor=()=>{let e=0;t.ambient+t.diffuse+t.specular>0&&(e=1/(t.ambient+t.diffuse+t.specular));for(let n=0;n<3;n++)t.color[n]=e*(t.ambient*t.ambientColor[n]+t.diffuse*t.diffuseColor[n]+t.specular*t.specularColor[n]);return[].concat(t.color)},e.setSpecularPower=n=>{const r=1/Math.max(1,n);t.roughness===r&&t.specularPower===n||(t.specularPower=n,t.roughness=r,e.modified())},e.addShaderVariable=xu("AddShaderVariable"),e.setInterpolationToFlat=()=>e.setInterpolation(bu.FLAT),e.setInterpolationToGouraud=()=>e.setInterpolation(bu.GOURAUD),e.setInterpolationToPhong=()=>e.setInterpolation(bu.PHONG),e.getInterpolationAsString=()=>gt.enumToString(bu,t.interpolation),e.setRepresentationToWireframe=()=>e.setRepresentation(yu.WIREFRAME),e.setRepresentationToSurface=()=>e.setRepresentation(yu.SURFACE),e.setRepresentationToPoints=()=>e.setRepresentation(yu.POINTS),e.getRepresentationAsString=()=>gt.enumToString(yu,t.representation)}const Tu={color:[1,1,1],ambientColor:[1,1,1],diffuseColor:[1,1,1],specularColor:[1,1,1],edgeColor:[0,0,0],ambient:0,diffuse:1,metallic:0,roughness:.6,normalStrength:1,emission:1,baseIOR:1.45,specular:0,specularPower:1,opacity:1,interpolation:bu.GOURAUD,representation:yu.SURFACE,edgeVisibility:!1,backfaceCulling:!1,frontfaceCulling:!1,pointSize:1,lineWidth:1,lighting:!0,shading:!1,materialName:null};function Su(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Tu,n),gt.obj(e,t),gt.setGet(e,t,["lighting","interpolation","ambient","diffuse","metallic","roughness","normalStrength","emission","baseIOR","specular","specularPower","opacity","edgeVisibility","lineWidth","pointSize","backfaceCulling","frontfaceCulling","representation","diffuseTexture","metallicTexture","roughnessTexture","normalTexture","ambientOcclusionTexture","emissionTexture"]),gt.setGetArray(e,t,["ambientColor","specularColor","diffuseColor","edgeColor"],3),_u(e,t)}var wu={newInstance:gt.newInstance(Su,"vtkProperty"),extend:Su,...ca};const{Representation:Cu}=wu,{PrimitiveTypes:Au}=pu;class Eu{constructor(){this.keys=new Uint32Array(10),this.values=new Uint32Array(10),this.count=0}clear(){this.count=0}has(e){for(let t=0;t2)for(let i=0;i2){for(let i=0;i{const n=e.cells,r=e.primitiveType,o=e.representation,i=e.cellOffset,a=n.getData(),s=a.length,l=function(e){switch(e){case Au.Points:return"points";case Au.Lines:return"lines";case Au.Triangles:case Au.TriangleEdges:return"polys";case Au.TriangleStripEdges:case Au.TriangleStrips:return"strips";default:return""}}(r),u=e.numberOfPoints,c={provokedPointIds:new Uint8Array(u),extraPoints:0,iboSize:0,flatId:0,iboId:0,cellProvokedMap:new Eu};let d=null;d=o===Cu.POINTS||r===Au.Points?Fu.anythingToPoints:o===Cu.WIREFRAME||r===Au.Lines?Fu[`${l}ToWireframe`]:Fu[`${l}ToSurface`],Pu=Ou;let p=i||0;for(let e=0;e2&&void 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2:t+="x2";break;case 3:t.includes("32")||Gu(`unsupported x3 type for ${t}`),t+="x3";break;case 4:t+="x4"}return t}(t),o={hash:`${t.getMTime()}I${n.getMTime()}${r}`,usage:Uu.PointArray,format:r,dataArray:t,indexBuffer:n};return e.getBuffer(o)},e.getFullScreenQuadBuffer=()=>{if(t.fullScreenQuadBuffer)return t.fullScreenQuadBuffer;t.fullScreenQuadBuffer=vu.newInstance(),t.fullScreenQuadBuffer.setDevice(t.device);const e=new Float32Array([-1,-1,0,1,-1,0,1,1,0,-1,-1,0,1,1,0,-1,1,0]);return t.fullScreenQuadBuffer.createAndWrite(e,GPUBufferUsage.VERTEX),t.fullScreenQuadBuffer.setStrideInBytes(12),t.fullScreenQuadBuffer.setArrayInformation([{offset:0,format:"float32x3"}]),t.fullScreenQuadBuffer}}const Xu={device:null,fullScreenQuadBuffer:null};function Ku(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Xu,n),je(e,t),$e(e,t,["device"]),Hu(e,t)}var qu={newInstance:rt(Ku),extend:Ku,...pu};const{BufferUsage:$u}=qu,{vtkErrorMacro:Yu}=gt;function Ju(e,t){t.classHierarchy.push("vtkWebGPUStorageBuffer"),e.addEntry=(e,n)=>{if(t._bufferEntryNames.has(e))return void Yu(`entry named ${e} already exists`);t._bufferEntryNames.set(e,t.bufferEntries.length);const r=$l(n);t.bufferEntries.push({name:e,type:n,sizeInBytes:r,offset:t.sizeInBytes,nativeType:Yl(n)}),t.sizeInBytes+=r},e.send=e=>{if(!t._buffer){const n={nativeArray:t.Float32Array,usage:$u.Storage,label:t.label};return t._buffer=e.getBufferManager().getBuffer(n),t.bindGroupTime.modified(),void t._sendTime.modified()}e.getHandle().queue.writeBuffer(t._buffer.getHandle(),0,t.arrayBuffer,0,t.sizeInBytes*t.numberOfInstances),t._sendTime.modified()},e.createView=e=>{e in t==0&&(t.arrayBuffer||(t.arrayBuffer=new ArrayBuffer(t.sizeInBytes*t.numberOfInstances)),t[e]=gt.newTypedArray(e,t.arrayBuffer))},e.setValue=(n,r,o)=>{const i=t._bufferEntryNames.get(n);if(void 0===i)return void Yu(`entry named ${n} not found in UBO`);const a=t.bufferEntries[i];e.createView(a.nativeType);const 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e=0;et._sendTime.getMTime(),e.getShaderCode=(e,n)=>{const r=[`struct ${t.label}StructEntry\n{`];for(let e=0;e,\n};\n@binding(${e}) @group(${n}) var ${t.label}: ${t.label}Struct;\n`),r.join("\n")},e.getBindGroupEntry=()=>({resource:{buffer:t._buffer.getHandle()}}),e.clearData=()=>{t.numberOfInstances=0,t.sizeInBytes=0,t.bufferEntries=[],t._bufferEntryNames=new Map,t._buffer=null,delete t.arrayBuffer,delete t.Float32Array}}const Qu={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,numberOfInstances:1};function Zu(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Qu,n),gt.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t._sendTime={},gt.obj(t._sendTime,{mtime:0}),t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"read-only-storage"}},gt.get(e,t,["bindGroupTime"]),gt.setGet(e,t,["device","bindGroupLayoutEntry","label","numberOfInstances","sizeInBytes"]),Ju(e,t)}var ec={newInstance:gt.newInstance(Zu,"vtkWebGPUStorageBuffer"),extend:Zu};const{BufferUsage:tc}=qu,{vtkErrorMacro:nc}=gt;function rc(e,t){t.classHierarchy.push("vtkWebGPUUniformBuffer"),e.addEntry=(e,n)=>{t._bufferEntryNames.has(e)?nc(`entry named ${e} already exists`):(t.sortDirty=!0,t._bufferEntryNames.set(e,t.bufferEntries.length),t.bufferEntries.push({name:e,type:n,sizeInBytes:$l(n),offset:-1,nativeType:Yl(n),packed:!1}))},e.sortBufferEntries=()=>{if(!t.sortDirty)return;let e=0;const n=[];let r=4;for(let e=0;e4&&(o.packed=!0,o.offset=e,n.push(o),e+=o.sizeInBytes)}for(let r=0;r{if(!t.UBO){const n={nativeArray:t.Float32Array,usage:tc.UniformArray,label:t.label};t.UBO=e.getBufferManager().getBuffer(n),t.bindGroupTime.modified(),t.sendDirty=!1}t.sendDirty&&(e.getHandle().queue.writeBuffer(t.UBO.getHandle(),0,t.arrayBuffer,0,t.sizeInBytes),t.sendDirty=!1),t.sendTime.modified()},e.createView=e=>{e in t==0&&(t.arrayBuffer||(t.arrayBuffer=new ArrayBuffer(t.sizeInBytes)),t[e]=gt.newTypedArray(e,t.arrayBuffer))},e.setValue=(n,r)=>{e.sortBufferEntries();const o=t._bufferEntryNames.get(n);if(void 0===o)return void nc(`entry named ${n} not found in UBO`);const i=t.bufferEntries[o];e.createView(i.nativeType);const a=t[i.nativeType];i.lastValue!==r&&(a[i.offset/a.BYTES_PER_ELEMENT]=r,t.sendDirty=!0),i.lastValue=r},e.setArray=(n,r)=>{e.sortBufferEntries();const o=t._bufferEntryNames.get(n);if(void 0===o)return void nc(`entry named ${n} not found in UBO`);const i=t.bufferEntries[o];e.createView(i.nativeType);const a=t[i.nativeType];let s=!1;for(let e=0;e({resource:{buffer:t.UBO.getHandle()}}),e.getSendTime=()=>t.sendTime.getMTime(),e.getShaderCode=(n,r)=>{e.sortBufferEntries();const o=[`struct ${t.label}Struct\n{`];for(let e=0;e ${t.label}: ${t.label}Struct;`),o.join("\n")}}const oc={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,bindGroupLayoutEntry:null,bindGroupEntry:null};function ic(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,oc,n),gt.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"uniform"}},t.sendTime={},gt.obj(t.sendTime,{mtime:0}),t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),t.sendDirty=!0,t.sortDirty=!0,gt.get(e,t,["binding","bindGroupTime"]),gt.setGet(e,t,["bindGroupLayoutEntry","device","label","sizeInBytes"]),rc(e,t)}var ac={newInstance:gt.newInstance(ic,"vtkWebGPUUniformBuffer"),extend:ic};const{vtkDebugMacro:sc}=vt,lc="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = mapperUBO.BackgroundColor;\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n",uc=new Float64Array(16),cc=new Float64Array(16);function dc(e,t){t.classHierarchy.push("vtkWebGPURenderer"),e.buildPass=n=>{if(n){if(!t.renderable)return;t.camera=t.renderable.getActiveCamera(),e.updateLights(),e.prepareNodes(),e.addMissingNode(t.camera),e.addMissingNodes(t.renderable.getViewPropsWithNestedProps()),e.removeUnusedNodes(),t.webgpuCamera=e.getViewNodeFor(t.camera),e.updateStabilizedMatrix()}},e.updateStabilizedMatrix=()=>{const e=t.camera.getClippingRange(),n=t.camera.getPositionByReference(),r=[],o=[];Ht(o,t.camera.getDirectionOfProjectionByReference(),.5*(e[0]+e[1])),function(e,t,n){e[0]=t[0]+n[0],e[1]=t[1]+n[1],e[2]=t[2]+n[2]}(r,n,o),tn(o,r,t.stabilizedCenter),nn(o)/(e[1]-e[0])>t.recenterThreshold&&(t.stabilizedCenter=r,t.stabilizedTime.modified())},e.updateLights=()=>{let e=0;const n=t.renderable.getLightsByReference();for(let t=0;t0&&e++;return e||(sc("No lights are on, creating one."),t.renderable.createLight()),e},e.updateUBO=()=>{const n=t.UBO.getSendTime();if(t._parent.getMTime()>n||e.getMTime()>n||t.camera.getMTime()>n||t.renderable.getMTime()>n){const n=t.webgpuCamera.getKeyMatrices(e);t.UBO.setArray("WCVCMatrix",n.wcvc),t.UBO.setArray("SCPCMatrix",n.scpc),t.UBO.setArray("PCSCMatrix",n.pcsc),t.UBO.setArray("SCVCMatrix",n.scvc),t.UBO.setArray("VCPCMatrix",n.vcpc),t.UBO.setArray("WCVCNormals",n.normalMatrix),t.UBO.setValue("LightCount",t.renderable.getLights().length),t.UBO.setValue("MaxEnvironmentMipLevel",t.renderable.getEnvironmentTexture()?.getMipLevel()),t.UBO.setValue("BackgroundDiffuseStrength",t.renderable.getEnvironmentTextureDiffuseStrength()),t.UBO.setValue("BackgroundSpecularStrength",t.renderable.getEnvironmentTextureSpecularStrength());const r=e.getYInvertedTiledSizeAndOrigin();t.UBO.setArray("viewportSize",[r.usize,r.vsize]),t.UBO.setValue("cameraParallel",t.camera.getParallelProjection());const o=t._parent.getDevice();t.UBO.sendIfNeeded(o)}},e.updateSSBO=()=>{const n=t.renderable.getLights(),r=t.webgpuCamera.getKeyMatrices(e);let o=`${t.renderable.getMTime()}`;for(let e=0;e=90?0:2:1,s[l+1]=Math.cos(xn(n[t].getConeAngle())),s[l+2]=Math.cos(xn(n[t].getConeAngle()+n[t].getConeFalloff())),s[l+3]=0}t.SSBO.clearData(),t.SSBO.setNumberOfInstances(n.length),t.SSBO.addEntry("LightPos","vec4"),t.SSBO.addEntry("LightDir","vec4"),t.SSBO.addEntry("LightColor","vec4"),t.SSBO.addEntry("LightData","vec4"),t.SSBO.setAllInstancesFromArray("LightPos",e),t.SSBO.setAllInstancesFromArray("LightDir",o),t.SSBO.setAllInstancesFromArray("LightColor",a),t.SSBO.setAllInstancesFromArray("LightData",s);const l=t._parent.getDevice();t.SSBO.send(l)}var i;t.lightTimeString=o},e.scissorAndViewport=t=>{const n=e.getYInvertedTiledSizeAndOrigin();t.getHandle().setViewport(n.lowerLeftU,n.lowerLeftV,n.usize,n.vsize,0,1),t.getHandle().setScissorRect(n.lowerLeftU,n.lowerLeftV,n.usize,n.vsize)},e.bindUBO=e=>{e.activateBindGroup(t.bindGroup)},e.opaquePass=n=>{n?(t.renderEncoder.begin(t._parent.getCommandEncoder()),e.updateUBO(),e.updateSSBO()):(e.scissorAndViewport(t.renderEncoder),e.clear(),t.renderEncoder.end())},e.clear=()=>{if(t.renderable.getTransparent()||t.suppressClear)return;const n=t._parent.getDevice();if(!t.clearFSQ){t.clearFSQ=du.newInstance(),t.clearFSQ.setDevice(n),t.clearFSQ.setPipelineHash("clearfsq"),t.clearFSQ.setFragmentShaderTemplate(lc);const e=ac.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e),t.backgroundTex=t.renderable.getEnvironmentTexture()}if("clearfsqwithtexture"!==t.clearFSQ.getPipelineHash()&&t.renderable.getUseEnvironmentTextureAsBackground()&&t.backgroundTex?.getImageLoaded()){t.clearFSQ.setFragmentShaderTemplate("\nfn vecToRectCoord(dir: vec3) -> vec2 {\n var tau: f32 = 6.28318530718;\n var pi: f32 = 3.14159265359;\n var out: vec2 = vec2(0.0);\n\n out.x = atan2(dir.z, dir.x) / tau;\n out.x += 0.5;\n\n var phix: f32 = length(vec2(dir.x, dir.z));\n out.y = atan2(dir.y, phix) / pi + 0.5;\n\n return out;\n}\n\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var tcoord: vec4 = vec4(input.vertexVC.xy, -1, 1);\n var V: vec4 = normalize(mapperUBO.FSQMatrix * tcoord); // vec2((input.tcoordVS.x - 0.5) * 2, -(input.tcoordVS.y - 0.5) * 2);\n // textureSampleLevel gets rid of some ugly artifacts\n var background = textureSampleLevel(EnvironmentTexture, EnvironmentTextureSampler, vecToRectCoord(V.xyz), 0);\n var computedColor: vec4 = vec4(background.rgb, 1);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n");const e=ac.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e);const r=n.getTextureManager().getTextureForVTKTexture(t.backgroundTex);if(r.getReady()){const e=r.createView("EnvironmentTexture");t.clearFSQ.setTextureViews([e]),t.backgroundTexLoaded=!0;const o=t.backgroundTex.getInterpolate()?"linear":"nearest";e.addSampler(n,{addressModeU:"repeat",addressModeV:"clamp-to-edge",addressModeW:"repeat",minFilter:o,magFilter:o,mipmapFilter:"linear"})}t.clearFSQ.setPipelineHash("clearfsqwithtexture")}else if("clearfsqwithtexture"===t.clearFSQ.getPipelineHash()&&!t.renderable.getUseEnvironmentTextureAsBackground()){t.clearFSQ=du.newInstance(),t.clearFSQ.setDevice(n),t.clearFSQ.setPipelineHash("clearfsq"),t.clearFSQ.setFragmentShaderTemplate(lc);const e=ac.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e)}const r=t.webgpuCamera.getKeyMatrices(e),o=t.renderable.getBackgroundByReference();t.clearFSQ.getUBO().setArray("BackgroundColor",o),h(cc,r.normalMatrix),re(uc,r.scvc,r.pcsc),re(uc,cc,uc),t.clearFSQ.getUBO().setArray("FSQMatrix",uc),t.clearFSQ.getUBO().sendIfNeeded(n),t.clearFSQ.prepareAndDraw(t.renderEncoder)},e.translucentPass=n=>{n?t.renderEncoder.begin(t._parent.getCommandEncoder()):(e.scissorAndViewport(t.renderEncoder),t.renderEncoder.end())},e.volumeDepthRangePass=n=>{n?t.renderEncoder.begin(t._parent.getCommandEncoder()):(e.scissorAndViewport(t.renderEncoder),t.renderEncoder.end())},e.getAspectRatio=()=>{const e=t._parent.getSizeByReference(),n=t.renderable.getViewportByReference();return e[0]*(n[2]-n[0])/((n[3]-n[1])*e[1])},e.convertToOpenGLDepth=e=>t.webgpuCamera.convertToOpenGLDepth(e),e.getYInvertedTiledSizeAndOrigin=()=>{const n=e.getTiledSizeAndOrigin(),r=t._parent.getSizeByReference();return n.lowerLeftV=r[1]-n.vsize-n.lowerLeftV,n},e.getTiledSizeAndOrigin=()=>{const e=t.renderable.getViewportByReference(),n=[0,0,1,1],r=e[0]-n[0],o=e[1]-n[1],i=t._parent.normalizedDisplayToDisplay(r,o),a=Math.round(i[0]),s=Math.round(i[1]),l=e[2]-n[0],u=e[3]-n[1],c=t._parent.normalizedDisplayToDisplay(l,u);let d=Math.round(c[0])-a,p=Math.round(c[1])-s;return d<0&&(d=0),p<0&&(p=0),{usize:d,vsize:p,lowerLeftU:a,lowerLeftV:s}},e.getPropFromID=e=>{for(let n=0;nt.stabilizedTime.getMTime(),e.releaseGraphicsResources=()=>{null!==t.selector&&t.selector.releaseGraphicsResources()}}const pc={bindGroup:null,selector:null,renderEncoder:null,recenterThreshold:20,suppressClear:!1,stabilizedCenter:[0,0,0]};const fc=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,pc,n),Tt.extend(e,t,n),t.UBO=ac.newInstance({label:"rendererUBO"}),t.UBO.addEntry("WCVCMatrix","mat4x4"),t.UBO.addEntry("SCPCMatrix","mat4x4"),t.UBO.addEntry("PCSCMatrix","mat4x4"),t.UBO.addEntry("SCVCMatrix","mat4x4"),t.UBO.addEntry("VCPCMatrix","mat4x4"),t.UBO.addEntry("WCVCNormals","mat4x4"),t.UBO.addEntry("viewportSize","vec2"),t.UBO.addEntry("LightCount","i32"),t.UBO.addEntry("MaxEnvironmentMipLevel","f32"),t.UBO.addEntry("BackgroundDiffuseStrength","f32"),t.UBO.addEntry("BackgroundSpecularStrength","f32"),t.UBO.addEntry("cameraParallel","u32"),t.SSBO=ec.newInstance({label:"rendererLightSSBO"}),t.lightTimeString="",t.bindGroup=El.newInstance({label:"rendererBG"}),t.bindGroup.setBindables([t.UBO,t.SSBO]),t.tmpMat4=f(new Float64Array(16)),t.stabilizedTime={},je(t.stabilizedTime,{mtime:0}),He(e,t,["bindGroup","stabilizedTime"]),Ye(e,t,["stabilizedCenter"]),$e(e,t,["renderEncoder","selector","suppressClear","UBO"]),dc(e,t)}),"vtkWebGPURenderer");function hc(e,t){t.classHierarchy.push("vtkWebGPUSampler"),e.create=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};t.device=e,t.options.addressModeU=n.addressModeU?n.addressModeU:"clamp-to-edge",t.options.addressModeV=n.addressModeV?n.addressModeV:"clamp-to-edge",t.options.addressModeW=n.addressModeW?n.addressModeW:"clamp-to-edge",t.options.magFilter=n.magFilter?n.magFilter:"nearest",t.options.minFilter=n.minFilter?n.minFilter:"nearest",t.options.mipmapFilter=n.mipmapFilter?n.mipmapFilter:"nearest",t.options.label=t.label,t.handle=t.device.getHandle().createSampler(t.options),t.bindGroupTime.modified()},e.getShaderCode=(e,n)=>`@binding(${e}) @group(${n}) var ${t.label}: sampler;`,e.getBindGroupEntry=()=>({resource:t.handle})}gl("vtkRenderer",fc);const mc={device:null,handle:null,label:null,options:null};function gc(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,mc,n),gt.obj(e,t),t.options={},t.bindGroupLayoutEntry={visibility:GPUShaderStage.VERTEX|GPUShaderStage.FRAGMENT,sampler:{}},t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),gt.get(e,t,["bindGroupTime","handle","options"]),gt.setGet(e,t,["bindGroupLayoutEntry","device","label"]),hc(e,t)}var vc={newInstance:gt.newInstance(gc),extend:gc};const{SlicingMode:yc}=Is,bc="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Image::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n //VTK::Image::Sample\n\n // var computedColor: vec4 = vec4(1.0,0.7, 0.5, 1.0);\n\n//VTK::RenderEncoder::Impl\n\n return output;\n}\n",xc=new Float64Array(16),_c=new Float64Array(16),Tc=new Float64Array(16),Sc=new Float64Array(4),wc=new Float64Array(4);function Cc(e,t){t.classHierarchy.push("vtkWebGPUImageMapper"),e.buildPass=n=>{if(n){t.WebGPUImageSlice=e.getFirstAncestorOfType("vtkWebGPUImageSlice"),t.WebGPURenderer=t.WebGPUImageSlice.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent(),t.device=t.WebGPURenderWindow.getDevice();const n=t.WebGPURenderer.getRenderable();t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(n.getActiveCamera())}},e.translucentPass=t=>{t&&e.render()},e.opaquePass=t=>{t&&e.render()},e.render=()=>{t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.prepareToDraw(t.WebGPURenderer.getRenderEncoder()),t.renderEncoder.registerDrawCallback(t.pipeline,e.draw)},e.computePipelineHash=()=>{const e=t.currentInput.getExtent();e[0]===e[1]||e[2]===e[3]||e[4]===e[5]?(t.dimensions=2,t.pipelineHash="img2"):(t.dimensions=3,t.pipelineHash="img3")},e.updateUBO=()=>{const n=t.UBO.getSendTime(),r=t.WebGPUImageSlice.getRenderable(),o=r.getMapper();if(e.getMTime()>n||t.renderable.getMTime()>n||r.getProperty().getMTime()>n){const e=o.getInputData(),n=t.WebGPURenderer.getStabilizedCenterByReference();f(xc),b(xc,xc,n);const i=r.getMatrix();h(_c,i),m(_c,_c),y(xc,_c,xc);const a=e.getWorldToIndex();y(xc,a,xc),m(Tc,xc),C(_c,[.5,.5,.5]),y(xc,_c,xc);const s=e.getDimensions();f(_c),x(_c,_c,[1/s[0],1/s[1],1/s[2]]),y(xc,_c,xc),t.UBO.setArray("SCTCMatrix",xc);const l=t.currentInput.getExtent(),{ijkMode:u}=t.renderable.getClosestIJKAxis();let c=t.renderable.getSlice();u!==t.renderable.getSlicingMode()&&(c=t.renderable.getSliceAtPosition(c));let d=2,p=0,g=1;u===yc.I?(d=0,p=1,g=2):u===yc.J&&(d=1,p=2,g=0),Sc[d]=c,Sc[p]=l[2*p]-.5,Sc[g]=l[2*g]-.5,Sc[3]=1,Mo(Sc,Sc,Tc),t.UBO.setArray("Origin",Sc),wc[d]=c,wc[p]=l[2*p+1]+.5,wc[g]=l[2*g]-.5,wc[3]=1,Mo(wc,wc,Tc),No(wc,wc,Sc),wc[3]=1,t.UBO.setArray("Axis1",wc),wc[d]=c,wc[p]=l[2*p]-.5,wc[g]=l[2*g+1]+.5,wc[3]=1,Mo(wc,wc,Tc),No(wc,wc,Sc),wc[3]=1,t.UBO.setArray("Axis2",wc);const v=[1,1,1,1],_=[0,0,0,0],T=t.textureViews[0],S=T.getTexture().getScale(),w=T.getTexture().getNumberOfComponents();for(let e=0;e{const n=t.WebGPUImageSlice.getRenderable().getProperty();e.getTextureViews()[0].getTexture().getNumberOfComponents();const r=function(e,t,n){if(t.apply(e)){const t=e.getIndependentComponents();return`${e.getMTime()}-${t}-1`}return"0"}(n,n.getRGBTransferFunction);if(t.colorTextureString!==r){t.numRows=1;const e=new Uint8Array(2*t.numRows*t.rowLength*4);let o=n.getRGBTransferFunction();if(o){const r=new Float32Array(3*t.rowLength);for(let i=0;i<1;i++){o=n.getRGBTransferFunction(i);const a=o.getRange();o.getTable(a[0],a[1],t.rowLength,r,1);for(let n=0;n{n();const r=t.device.getTextureManager().getTextureForImageData(t.currentInput),o=t.textureViews;if(!o[0]||o[0].getTexture()!==r){const e=r.createView("imgTexture");o[0]=e}e.updateLUTImage(),e.updateUBO();const i=t.WebGPUImageSlice.getRenderable().getProperty().getInterpolationType()===Ts?"nearest":"linear";t.clampSampler&&i===t.clampSampler.getOptions().minFilter||(t.clampSampler=vc.newInstance({label:"clampSampler"}),t.clampSampler.create(t.device,{minFilter:i,magFilter:i}),t.additionalBindables=[t.clampSampler])};const r=e.getShaderReplacements();e.replaceShaderPosition=(e,n,r)=>{const o=n.getShaderDescription("vertex");o.addBuiltinOutput("vec4","@builtin(position) Position");let i=o.getCode();const a=["var pos: vec4 = mapperUBO.Origin +"," (vertexBC.x * 0.5 + 0.5) * mapperUBO.Axis1 + (vertexBC.y * 0.5 + 0.5) * mapperUBO.Axis2;","pos.w = 1.0;"];2===t.dimensions?a.push("var tcoord : vec2 = (mapperUBO.SCTCMatrix * pos).xy;"):a.push("var tcoord : vec3 = (mapperUBO.SCTCMatrix * pos).xyz;"),a.push("output.tcoordVS = tcoord;","output.Position = rendererUBO.SCPCMatrix * pos;"),i=Fl.substitute(i,"//VTK::Position::Impl",a).result,o.setCode(i)},r.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderTCoord=(e,n,r)=>{const o=n.getShaderDescription("vertex");2===t.dimensions?o.addOutput("vec2","tcoordVS"):o.addOutput("vec3","tcoordVS")},r.set("replaceShaderTCoord",e.replaceShaderTCoord),e.replaceShaderImage=(e,n,r)=>{const o=n.getShaderDescription("fragment");let i=o.getCode();t.dimensions,i=Fl.substitute(i,"//VTK::Image::Sample",[" var computedColor: vec4 ="," textureSampleLevel(imgTexture, clampSampler, input.tcoordVS, 0.0);","//VTK::Image::Sample"]).result,i=Fl.substitute(i,"//VTK::Image::Sample",[" var coord: vec2 ="," vec2(computedColor.r * mapperUBO.cScale.r + mapperUBO.cShift.r, 0.5);"," computedColor = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);"]).result,o.setCode(i)},r.set("replaceShaderImage",e.replaceShaderImage)}const Ac={rowLength:1024};const Ec=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ac,n),du.extend(e,t,n),e.setFragmentShaderTemplate(bc),t.UBO=ac.newInstance({label:"mapperUBO"}),t.UBO.addEntry("SCTCMatrix","mat4x4"),t.UBO.addEntry("Origin","vec4"),t.UBO.addEntry("Axis2","vec4"),t.UBO.addEntry("Axis1","vec4"),t.UBO.addEntry("cScale","vec4"),t.UBO.addEntry("cShift","vec4"),t.lutBuildTime={},je(t.lutBuildTime,{mtime:0}),t.imagemat=f(new Float64Array(16)),t.imagematinv=f(new Float64Array(16)),t.VBOBuildTime={},je(t.VBOBuildTime),Cc(e,t)}),"vtkWebGPUImageMapper");function Dc(e,t){t.classHierarchy.push("vtkWebGPUImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes()}},e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t.WebGPURenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t.WebGPURenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.getBufferShift=n=>(e.getKeyMatrices(n),t.bufferShift),e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix(),r=e.getStabilizedCenterByReference();t.bufferShift[0]=n[3]-r[0],t.bufferShift[1]=n[7]-r[1],t.bufferShift[2]=n[11]-r[2],h(t.keyMatrices.bcwc,n),t.renderable.getIsIdentity()?f(t.keyMatrices.normalMatrix):(c(t.keyMatrices.normalMatrix,t.keyMatrices.bcwc),t.keyMatrices.normalMatrix[3]=0,t.keyMatrices.normalMatrix[7]=0,t.keyMatrices.normalMatrix[11]=0,m(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix),h(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix)),b(t.keyMatrices.bcwc,t.keyMatrices.bcwc,[-t.bufferShift[0],-t.bufferShift[1],-t.bufferShift[2]]),b(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]),t.keyMatricesTime.modified()}return t.keyMatrices}}gl("vtkImageMapper",Ec);const Ic={bufferShift:void 0,keyMatrixTime:null,keyMatrices:null,propID:void 0};const Oc=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ic,n),Tt.extend(e,t,n),t.keyMatricesTime={},je(t.keyMatricesTime,{mtime:0}),t.keyMatrices={normalMatrix:new Float64Array(16),bcwc:new Float64Array(16),bcsc:new Float64Array(16)},t.keyMatrixTime={},je(t.keyMatrixTime,{mtime:0}),t.keyMatrices={mcwc:f(new Float64Array(16))},t.bufferShift=[0,0,0,0],He(e,t,["propID","keyMatricesTime"]),Dc(e,t)}),"vtkWebGPUImageSlice");function Pc(e,t){t.classHierarchy.push("vtkWebGPUVolume"),e.buildPass=n=>{t.renderable&&t.renderable.getVisibility()&&n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),t.renderable.getMapper().update())},e.queryPass=(n,r)=>{if(n){if(!t.renderable||!t.renderable.getVisibility())return;const n=t.renderable.getMapper().getBounds();if(!n||6!==n.length||n[0]>n[1])return;r.addVolume(e)}};const n=new Float64Array(3),r=new Float64Array(3);e.getBoundingCubePoints=(e,o)=>{const i=t.renderable.getMapper().getInputData();if(!i)return;const a=i.getExtent(),s=t.renderable.getMatrix();let l=0;for(let t=4;t<6;t++){n[2]=a[t];for(let t=2;t<4;t++){n[1]=a[t];for(let t=0;t<2;t++){n[0]=a[t],i.indexToWorld(n,r);let u=o+3*l;e[u++]=s[0]*r[0]+s[1]*r[1]+s[2]*r[2]+s[3],e[u++]=s[4]*r[0]+s[5]*r[1]+s[6]*r[2]+s[7],e[u++]=s[8]*r[0]+s[9]*r[1]+s[10]*r[2]+s[11],l++}}}},e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix(),r=e.getStabilizedCenterByReference();h(t.keyMatrices.bcwc,n),b(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]),t.keyMatricesTime.modified()}return t.keyMatrices}}gl("vtkImageSlice",Oc);const Nc={propID:void 0,keyMatricesTime:null};const Mc=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Nc,n),Tt.extend(e,t,n),t.keyMatricesTime={},gt.obj(t.keyMatricesTime,{mtime:0}),t.keyMatrices={bcwc:new Float64Array(16),bcsc:new Float64Array(16)},gt.get(e,t,["propID","keyMatricesTime"]),Pc(e,t)}),"vtkWebGPUVolume");function Rc(e,t){t.classHierarchy.push("vtkWebGPUPixelSpaceCallbackMapper"),e.opaquePass=(n,r)=>{t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent();const o=t.WebGPURenderer.getAspectRatio(),i=t.WebGPURenderer?t.WebGPURenderer.getRenderable().getActiveCamera():null,a=t.WebGPURenderer.getTiledSizeAndOrigin();t.renderable.getUseZValues(),t.renderable.invokeCallback(t.renderable.getInputData(),i,o,a,null)}}gl("vtkVolume",Mc);const Fc={};const kc=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fc,n),Tt.extend(e,t,n),Rc(e,t)}),"vtkWebGPUPixelSpaceCallbackMapper");gl("vtkPixelSpaceCallbackMapper",kc);var Lc=Uint8Array,Bc=Uint16Array,Vc=Uint32Array,Uc=new Lc([0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0,0]),Gc=new Lc([0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,0,0]),zc=new Lc([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]),jc=function(e,t){for(var n=new Bc(31),r=0;r<31;++r)n[r]=t+=1<>>1|(21845&Yc)<<1;Jc=(61680&(Jc=(52428&Jc)>>>2|(13107&Jc)<<2))>>>4|(3855&Jc)<<4,$c[Yc]=((65280&Jc)>>>8|(255&Jc)<<8)>>>1}var Qc=function(e,t,n){for(var r=e.length,o=0,i=new Bc(t);o>>l]=u}else for(a=new Bc(r),o=0;o>>15-e[o]);return a},Zc=new Lc(288);for(Yc=0;Yc<144;++Yc)Zc[Yc]=8;for(Yc=144;Yc<256;++Yc)Zc[Yc]=9;for(Yc=256;Yc<280;++Yc)Zc[Yc]=7;for(Yc=280;Yc<288;++Yc)Zc[Yc]=8;var ed=new Lc(32);for(Yc=0;Yc<32;++Yc)ed[Yc]=5;var td=Qc(Zc,9,1),nd=Qc(ed,5,1),rd=function(e){for(var t=e[0],n=1;nt&&(t=e[n]);return t},od=function(e,t,n){var r=t/8|0;return(e[r]|e[r+1]<<8)>>(7&t)&n},id=function(e,t){var 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Zd.MAGNITUDE:default:{const o=Wr.newInstance({numberOfComponents:1,values:new Float32Array(t.getNumberOfTuples())});e.mapVectorsToMagnitude(t,o,s),e.mapScalarsThroughTable(o,n,r,0);break}}},e.luminanceToRGBA=(e,t,n,r)=>{const o=r(n),i=t.getData(),a=e.getData(),s=i.length;let l=0;for(let e=0;e{const o=t.getData(),i=e.getData(),a=o.length;let s=0;for(let e=0;e{const o=op(n),i=t.getData(),a=e.getData(),s=i.length;let l=0;for(let e=0;e{const o=t.getData(),i=e.getData(),a=o.length;let s=0;for(let e=0;e{let{alpha:i}=t;if(4===r&&i>=1&&n.getDataType()===ep.UNSIGNED_CHAR)return n;const a=Wr.newInstance({numberOfComponents:4,empty:!0,size:4*o,dataType:ep.UNSIGNED_CHAR});if(o<=0)return a;i=i>0?i:0,i=i<1?i:1;let s=rp;switch(n.getDataType()!==ep.FLOAT&&n.getDataType()!==ep.DOUBLE||(s=op),r){case 1:e.luminanceToRGBA(a,n,i,s);break;case 2:e.luminanceAlphaToRGBA(a,n,s);break;case 3:e.rGBToRGBA(a,n,i,s);break;case 4:e.rGBAToRGBA(a,n,i,s);break;default:return np("Cannot convert colors"),null}return 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lp={newInstance:gt.newInstance(sp,"vtkScalarsToColors"),extend:sp,...Yd},up={ColorSpace:{RGB:0,HSV:1,LAB:2,DIVERGING:3},Scale:{LINEAR:0,LOG10:1}};const{ColorSpace:cp,Scale:dp}=up,{ScalarMappingTarget:pp}=lp,{vtkDebugMacro:fp,vtkErrorMacro:hp,vtkWarningMacro:mp}=gt;function gp(e,t){const n=e[0],r=e[1],o=e[2],i=Math.sqrt(n*n+r*r+o*o),a=i>.001?Math.acos(n/i):0,s=a>.001?Math.atan2(o,r):0;t[0]=i,t[1]=a,t[2]=s}function vp(e,t){if(e[0]>=t-.1)return e[2];const n=e[1]*Math.sqrt(t*t-e[0]*e[0])/(e[0]*Math.sin(e[1]));return e[2]>-.3*Math.PI?e[2]+n:e[2]-n}function yp(e,t,n,r){const o=[],i=[];gr(t,o),gr(n,i);const a=[],s=[];gp(o,a),gp(i,s);let l=e;if(a[1]>.05&&s[1]>.05&&function(e,t){let n=e-t;for(n<0&&(n=-n);n>=2*Math.PI;)n-=2*Math.PI;return n>Math.PI&&(n=2*Math.PI-n),n}(a[2],s[2])>.33*Math.PI){let t=Math.max(a[0],s[0]);t=Math.max(88,t),e<.5?(s[0]=t,s[1]=0,s[2]=0,l*=2):(a[0]=t,a[1]=0,a[2]=0,l=2*l-1)}a[1]<.05&&s[1]>.05?a[2]=vp(s,a[0]):s[1]<.05&&a[1]>.05&&(s[2]=vp(a,s[0]));const u=[];u[0]=(1-l)*a[0]+l*s[0],u[1]=(1-l)*a[1]+l*s[1],u[2]=(1-l)*a[2]+l*s[2];const c=[];!function(e,t){const n=e[0],r=e[1],o=e[2];t[0]=n*Math.cos(r),t[1]=n*Math.sin(r)*Math.cos(o),t[2]=n*Math.sin(r)*Math.sin(o)}(u,c),vr(c,r)}function bp(e,t){t.classHierarchy.push("vtkColorTransferFunction"),e.getSize=()=>t.nodes.length,e.addRGBPoint=(t,n,r,o)=>e.addRGBPointLong(t,n,r,o,.5,0),e.addRGBPointLong=function(n,r,o,i){let a=arguments.length>4&&void 0!==arguments[4]?arguments[4]:.5,s=arguments.length>5&&void 0!==arguments[5]?arguments[5]:0;if(a<0||a>1)return hp("Midpoint outside range [0.0, 1.0]"),-1;if(s<0||s>1)return hp("Sharpness outside range [0.0, 1.0]"),-1;t.allowDuplicateScalars||e.removePoint(n);const l={x:n,r:r,g:o,b:i,midpoint:a,sharpness:s};t.nodes.push(l),e.sortAndUpdateRange();let u=0;for(;ue.addHSVPointLong(t,n,r,o,.5,0),e.addHSVPointLong=function(t,n,r,o){let i=arguments.length>4&&void 0!==arguments[4]?arguments[4]:.5,a=arguments.length>5&&void 0!==arguments[5]?arguments[5]:0;const s=[],l=[n,r,o];return dr(l,s),e.addRGBPoint(t,s[0],s[1],s[2],i,a)},e.setNodes=n=>{if(t.nodes!==n){const r=JSON.stringify(t.nodes);t.nodes=n;const o=JSON.stringify(t.nodes);if(e.sortAndUpdateRange()||r!==o)return e.modified(),!0}return!1},e.sortAndUpdateRange=()=>{const n=JSON.stringify(t.nodes);t.nodes.sort(((e,t)=>e.x-t.x));const r=JSON.stringify(t.nodes),o=e.updateRange();return o||n===r?o:(e.modified(),!0)},e.updateRange=()=>{const n=[2];n[0]=t.mappingRange[0],n[1]=t.mappingRange[1];const r=t.nodes.length;return r?(t.mappingRange[0]=t.nodes[0].x,t.mappingRange[1]=t.nodes[r-1].x):(t.mappingRange[0]=0,t.mappingRange[1]=0),(n[0]!==t.mappingRange[0]||n[1]!==t.mappingRange[1])&&(e.modified(),!0)},e.removePoint=n=>{let r=0;for(;r=t.nodes.length)return-1;let i=!1;return t.nodes.splice(r,1),0!==r&&r!==t.nodes.length||(i=e.updateRange()),i||e.modified(),o},e.movePoint=(n,r)=>{if(n!==r){e.removePoint(r);for(let o=0;o{t.nodes=[],e.sortAndUpdateRange()},e.addRGBSegment=(n,r,o,i,a,s,l,u)=>{e.sortAndUpdateRange();for(let e=0;e=n&&t.nodes[e].x<=a?t.nodes.splice(e,1):e++;e.addRGBPointLong(n,r,o,i,.5,0),e.addRGBPointLong(a,s,l,u,.5,0),e.modified()},e.addHSVSegment=(t,n,r,o,i,a,s,l)=>{const u=[a,s,l],c=[],d=[];dr([n,r,o],c),dr(u,d),e.addRGBSegment(t,c[0],c[1],c[2],i,d[0],d[1],d[2])},e.mapValue=t=>{const n=[];return e.getColor(t,n),[Math.floor(255*n[0]+.5),Math.floor(255*n[1]+.5),Math.floor(255*n[2]+.5),255]},e.getColor=(n,r)=>{if(t.indexedLookup){const t=e.getSize(),o=e.getAnnotatedValueIndexInternal(n);if(o<0||0===t){const t=e.getNanColorByReference();r[0]=t[0],r[1]=t[1],r[2]=t[2]}else{const n=[];e.getNodeValue(o%t,n),r[0]=n[1],r[1]=n[2],r[2]=n[3]}}else e.getTable(n,n,1,r)},e.getRedValue=t=>{const n=[];return e.getColor(t,n),n[0]},e.getGreenValue=t=>{const n=[];return e.getColor(t,n),n[1]},e.getBlueValue=t=>{const n=[];return e.getColor(t,n),n[2]},e.getTable=(n,r,o,i)=>{const a=Number(n),s=Number(r);if(Er(a)||Er(s)){for(let e=0;e0);let T=0,S=0,w=0;_&&(T=Math.log10(a),S=Math.log10(s));for(let n=0;n1?_?(w=T+n/(o-1)*(S-T),f=10**w):f=a+n/(o-1)*(s-a):_?(w=.5*(T+S),f=10**w):f=.5*(a+s),t.discretize){const e=t.mappingRange;if(f>=e[0]&&f<=e[1]){const n=t.numberOfValues,r=e[1]-e[0];if(n<=1)f=e[0]+r/2;else{const t=(f-e[0])/r,o=Sn(n*t);f=e[0]+o/(n-1)*r}}}for(;lt.nodes[l].x;)l++,l.99999&&(y=.99999));if(f>t.mappingRange[1])i[r]=0,i[r+1]=0,i[r+2]=0,t.clamping&&(e.getUseAboveRangeColor()?(i[r]=t.aboveRangeColor[0],i[r+1]=t.aboveRangeColor[1],i[r+2]=t.aboveRangeColor[2]):(i[r]=c,i[r+1]=d,i[r+2]=p));else if(f0&&(i[r]=t.nodes[0].r,i[r+1]=t.nodes[0].g,i[r+2]=t.nodes[0].b));else if(0===l&&(Math.abs(f-a)<1e-6||t.discretize))u>0?(i[r]=t.nodes[0].r,i[r+1]=t.nodes[0].g,i[r+2]=t.nodes[0].b):(i[r]=0,i[r+1]=0,i[r+2]=0);else{let e=0;if(e=_?(w-h)/(m-h):(f-h)/(m-h),e=e.99){if(e<.5){i[r]=g[0],i[r+1]=g[1],i[r+2]=g[2];continue}i[r]=v[0],i[r+1]=v[1],i[r+2]=v[2];continue}if(b<.01){if(t.colorSpace===cp.RGB)i[r]=(1-e)*g[0]+e*v[0],i[r+1]=(1-e)*g[1]+e*v[1],i[r+2]=(1-e)*g[2]+e*v[2];else if(t.colorSpace===cp.HSV){const n=[],o=[];cr(g,n),cr(v,o),t.hSVWrap&&(n[0]-o[0]>.5||o[0]-n[0]>.5)&&(n[0]>o[0]?n[0]-=1:o[0]-=1);const a=[];a[0]=(1-e)*n[0]+e*o[0],a[0]<0&&(a[0]+=1),a[1]=(1-e)*n[1]+e*o[1],a[2]=(1-e)*n[2]+e*o[2],dr(a,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else if(t.colorSpace===cp.LAB){const t=[],n=[];gr(g,t),gr(v,n);const o=[];o[0]=(1-e)*t[0]+e*n[0],o[1]=(1-e)*t[1]+e*n[1],o[2]=(1-e)*t[2]+e*n[2],vr(o,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else t.colorSpace===cp.DIVERGING?(yp(e,g,v,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]):hp("ColorSpace set to invalid value.",t.colorSpace);continue}e<.5?e=.5*(2*e)**(1+10*b):e>.5&&(e=1-.5*(2*(1-e))**(1+10*b));const n=e*e,o=n*e,a=2*o-3*n+1,s=-2*o+3*n,l=o-2*n+e,u=o-n;let c,d;if(t.colorSpace===cp.RGB)for(let e=0;e<3;e++)c=v[e]-g[e],d=(1-b)*c,i[r+e]=a*g[e]+s*v[e]+l*d+u*d;else if(t.colorSpace===cp.HSV){const e=[],n=[];cr(g,e),cr(v,n),t.hSVWrap&&(e[0]-n[0]>.5||n[0]-e[0]>.5)&&(e[0]>n[0]?e[0]-=1:n[0]-=1);const o=[];for(let t=0;t<3;t++)c=n[t]-e[t],d=(1-b)*c,o[t]=a*e[t]+s*n[t]+l*d+u*d,0===t&&o[t]<0&&(o[t]+=1);dr(o,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else if(t.colorSpace===cp.LAB){const e=[],t=[];gr(g,e),gr(v,t);const n=[];for(let r=0;r<3;r++)c=t[r]-e[r],d=(1-b)*c,n[r]=a*e[r]+s*t[r]+l*d+u*d;vr(n,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else t.colorSpace===cp.DIVERGING?(yp(e,g,v,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]):hp("ColorSpace set to invalid value.");for(let e=0;e<3;e++)i[r+e]=i[r+e]<0?0:i[r+e],i[r+e]=i[r+e]>1?1:i[r+e]}}},e.getUint8Table=function(n,r,o){let i=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(e.getMTime()<=t.buildTime&&t.tableSize===o&&t.tableWithAlpha!==i)return t.table;if(0===t.nodes.length)return hp("Attempting to lookup a value with no points in the function"),t.table;const a=i?4:3;t.tableSize===o&&t.tableWithAlpha===i||(t.table=new Uint8Array(o*a),t.tableSize=o,t.tableWithAlpha=i);const s=[];e.getTable(n,r,o,s);for(let e=0;e{e.removeAllPoints();const r=n.getNumberOfComponents();for(let e=0;e{let a=0;e.removeAllPoints(),o>1&&(a=(r-n)/(o-1));for(let e=0;ee<0||e>=t.nodes.length?(hp("Index out of range!"),-1):(n[0]=t.nodes[e].x,n[1]=t.nodes[e].r,n[2]=t.nodes[e].g,n[3]=t.nodes[e].b,n[4]=t.nodes[e].midpoint,n[5]=t.nodes[e].sharpness,1),e.setNodeValue=(n,r)=>{if(n<0||n>=t.nodes.length)return hp("Index out of range!"),-1;const o=t.nodes[n].x;return t.nodes[n].x=r[0],t.nodes[n].r=r[1],t.nodes[n].g=r[2],t.nodes[n].b=r[3],t.nodes[n].midpoint=r[4],t.nodes[n].sharpness=r[5],o!==r[0]?e.sortAndUpdateRange():e.modified(),1},e.getNumberOfAvailableColors=()=>t.indexedLookup&&e.getSize()?e.getSize():t.tableSize?t.tableSize:16777216,e.getIndexedColor=(t,n)=>{const r=e.getSize();if(r>0&&t>=0){const o=[];e.getNodeValue(t%r,o);for(let e=0;e<3;++e)n[e]=o[e+1];return void(n[3]=1)}const o=e.getNanColorByReference();n[0]=o[0],n[1]=o[1],n[2]=o[2],n[3]=1},e.fillFromDataPointer=(t,n)=>{if(!(t<=0)&&n){e.removeAllPoints();for(let r=0;r{const o=[n,r],i=e.getRange();if(i[1]===o[1]&&i[0]===o[0])return;if(o[1]===o[0])return void hp("attempt to set zero width color range");const a=(o[1]-o[0])/(i[1]-i[0]),s=o[0]-i[0]*a;for(let e=0;e{const r=e.getRange(),o=[];r[0]n[1]?(e.getColor(n[1],o),e.addRGBPoint(n[1],o[0],o[1],o[2])):(e.getColor(r[1],o),e.addRGBPoint(n[1],o[0],o[1],o[2])),e.sortAndUpdateRange();for(let e=0;e=n[0]&&t.nodes[e].x<=n[1]?t.nodes.splice(e,1):++e;return 1},e.estimateMinNumberOfSamples=(t,n)=>{const r=e.findMinimumXDistance();return Math.ceil((n-t)/r)},e.findMinimumXDistance=()=>{if(t.nodes.length<2)return-1;let e=Number.MAX_VALUE;for(let n=0;n{0!==e.getSize()?t.indexedLookup?e.mapDataIndexed(n,r,o,i):e.mapData(n,r,o,i):fp("Transfer Function Has No Points!")},e.mapData=(t,n,r,o)=>{if(0===e.getSize())return void mp("Transfer Function Has No Points!");const i=Math.floor(255*e.getAlpha()+.5),a=t.getNumberOfTuples(),s=t.getNumberOfComponents(),l=n.getData(),u=t.getData(),c=[];if(r===pp.RGBA)for(let t=0;t{const r=JSON.stringify(t.colorSpace);n.ColorSpace&&(t.colorSpace=cp[n.ColorSpace.toUpperCase()],void 0===t.colorSpace&&(hp(`ColorSpace ${n.ColorSpace} not supported, using RGB instead`),t.colorSpace=cp.RGB));let o=r!==JSON.stringify(t.colorSpace);const i=o||JSON.stringify(t.nanColor);if(n.NanColor)for(t.nanColor=[].concat(n.NanColor);t.nanColor.length<4;)t.nanColor.push(1);o=o||i!==JSON.stringify(t.nanColor);const a=o||JSON.stringify(t.nodes);if(n.RGBPoints){const e=n.RGBPoints.length;t.nodes=[];const r=.5,o=0;for(let i=0;i2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,xp,n),lp.extend(e,t,n),t.table=[],t.nodes=[],t.nanColor=[.5,0,0,1],t.belowRangeColor=[0,0,0,1],t.aboveRangeColor=[1,1,1,1],t.buildTime={},gt.obj(t.buildTime),gt.get(e,t,["buildTime","mappingRange"]),gt.setGet(e,t,["useAboveRangeColor","useBelowRangeColor","colorSpace","discretize","numberOfValues"]),gt.setArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"],4),gt.getArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"]),bp(e,t)}var Tp={newInstance:gt.newInstance(_p,"vtkColorTransferFunction"),extend:_p,...up};const{vtkDebugMacro:Sp}=gt;function wp(e,t){t.classHierarchy.push("vtkCamera");const n=new Float64Array(3),r=new Float64Array([0,0,-1]),o=new Float64Array([0,1,0]),i=f(new Float64Array(16)),a=f(new Float64Array(16)),s=new Float64Array(3),l=new Float64Array(3),u=new Float64Array(3),d=f(new Float64Array(16)),p=f(new Float64Array(16)),g=new Float64Array(3),v=new Float64Array(3);function T(){t.viewPlaneNormal[0]=-t.directionOfProjection[0],t.viewPlaneNormal[1]=-t.directionOfProjection[1],t.viewPlaneNormal[2]=-t.directionOfProjection[2]}e.orthogonalizeViewUp=()=>{const n=e.getViewMatrix();t.viewUp[0]=n[4],t.viewUp[1]=n[5],t.viewUp[2]=n[6],e.modified()},e.setPosition=(n,r,o)=>{n===t.position[0]&&r===t.position[1]&&o===t.position[2]||(t.position[0]=n,t.position[1]=r,t.position[2]=o,e.computeDistance(),e.modified())},e.setFocalPoint=(n,r,o)=>{n===t.focalPoint[0]&&r===t.focalPoint[1]&&o===t.focalPoint[2]||(t.focalPoint[0]=n,t.focalPoint[1]=r,t.focalPoint[2]=o,e.computeDistance(),e.modified())},e.setDistance=n=>{if(t.distance===n)return;t.distance=n,t.distance<1e-20&&(t.distance=1e-20,Sp("Distance is set to minimum."));const r=t.directionOfProjection;t.focalPoint[0]=t.position[0]+r[0]*t.distance,t.focalPoint[1]=t.position[1]+r[1]*t.distance,t.focalPoint[2]=t.position[2]+r[2]*t.distance,e.modified()},e.computeDistance=()=>{const e=t.focalPoint[0]-t.position[0],n=t.focalPoint[1]-t.position[1],r=t.focalPoint[2]-t.position[2];if(t.distance=Math.sqrt(e*e+n*n+r*r),t.distance<1e-20){t.distance=1e-20,Sp("Distance is set to minimum.");const e=t.directionOfProjection;t.focalPoint[0]=t.position[0]+e[0]*t.distance,t.focalPoint[1]=t.position[1]+e[1]*t.distance,t.focalPoint[2]=t.position[2]+e[2]*t.distance}t.directionOfProjection[0]=e/t.distance,t.directionOfProjection[1]=n/t.distance,t.directionOfProjection[2]=r/t.distance,T()},e.dolly=n=>{if(n<=0)return;const r=t.distance/n;e.setPosition(t.focalPoint[0]-r*t.directionOfProjection[0],t.focalPoint[1]-r*t.directionOfProjection[1],t.focalPoint[2]-r*t.directionOfProjection[2])},e.roll=n=>{const r=t.position,o=t.focalPoint,i=t.viewUp,a=new Float64Array([i[0],i[1],i[2],0]);f(d);const s=new Float64Array([o[0]-r[0],o[1]-r[1],o[2]-r[2]]);_(d,d,xn(n),s),Mo(a,a,d),t.viewUp[0]=a[0],t.viewUp[1]=a[1],t.viewUp[2]=a[2],e.modified()},e.azimuth=n=>{const 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r=[...t.viewUp,1],o=[],i=[],a=[];r[0]+=t.position[0],r[1]+=t.position[1],r[2]+=t.position[2],Mo(o,[...t.position,1],n),Mo(i,[...t.focalPoint,1],n),Mo(a,r,n),a[0]-=o[0],a[1]-=o[1],a[2]-=o[2],e.setPosition(...o.slice(0,3)),e.setFocalPoint(...i.slice(0,3)),e.setViewUp(...a.slice(0,3))},e.getThickness=()=>t.clippingRange[1]-t.clippingRange[0],e.setThickness=n=>{let r=n;r<1e-20&&(r=1e-20,Sp("Thickness is set to minimum.")),e.setClippingRange(t.clippingRange[0],t.clippingRange[0]+r)},e.setThicknessFromFocalPoint=n=>{let r=n;r<1e-20&&(r=1e-20,Sp("Thickness is set to 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a=(t.windowCenter[0]-1)*r,s=(t.windowCenter[0]+1)*r,u=(t.windowCenter[1]-1)*o,c=(t.windowCenter[1]+1)*o,d=l[0],p=l[1];i[0]=2*d/(s-a),i[5]=2*d/(c-u),i[2]=(a+s)/(s-a),i[6]=(u+c)/(c-u),i[10]=-(d+p)/(p-d),i[14]=-1,i[11]=-2*d*p/(p-d),i[15]=0}}return c(o,i),o},e.getCompositeProjectionMatrix=(t,n,r)=>{const o=e.getViewMatrix(),i=e.getProjectionMatrix(t,n,r);return y(i,o,i),i},e.setDirectionOfProjection=(e,n,r)=>{if(t.directionOfProjection[0]===e&&t.directionOfProjection[1]===n&&t.directionOfProjection[2]===r)return;t.directionOfProjection[0]=e,t.directionOfProjection[1]=n,t.directionOfProjection[2]=r;const o=t.directionOfProjection;t.focalPoint[0]=t.position[0]+o[0]*t.distance,t.focalPoint[1]=t.position[1]+o[1]*t.distance,t.focalPoint[2]=t.position[2]+o[2]*t.distance,T()},e.setDeviceAngles=(n,r,o,i)=>{const a=[3];Bn(t.physicalViewNorth,t.physicalViewUp,a);const s=f(new 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r>e&&(e=r),e},e.getTransparent=()=>!!t.preserveColorBuffer,e.isActiveCameraCreated=()=>!!t.activeCamera}const Cf={pickedProp:null,activeCamera:null,allBounds:[],ambient:[1,1,1],allocatedRenderTime:100,timeFactor:1,automaticLightCreation:!0,twoSidedLighting:!0,lastRenderTimeInSeconds:-1,renderWindow:null,lights:[],actors:[],volumes:[],lightFollowCamera:!0,numberOfPropsRendered:0,propArray:null,pathArray:null,layer:0,preserveColorBuffer:!1,preserveDepthBuffer:!1,computeVisiblePropBounds:Dr(),interactive:!0,nearClippingPlaneTolerance:0,clippingRangeExpansion:.05,erase:!0,draw:!0,useShadows:!1,useDepthPeeling:!1,occlusionRatio:0,maximumNumberOfPeels:4,selector:null,delegate:null,texturedBackground:!1,backgroundTexture:null,environmentTexture:null,environmentTextureDiffuseStrength:1,environmentTextureSpecularStrength:1,useEnvironmentTextureAsBackground:!1,pass:0};function Af(e,t){let n=arguments.length>2&&void 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Df=Object.create(null);function If(e,t){Df[e]=t}function Of(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return Df[e]&&Df[e](t)}function Pf(e,t){t.classHierarchy.push("vtkRenderWindow"),e.addRenderer=n=>{e.hasRenderer(n)||(n.setRenderWindow(e),t.renderers.push(n),e.modified())},e.removeRenderer=n=>{t.renderers=t.renderers.filter((e=>e!==n)),e.modified()},e.hasRenderer=e=>-1!==t.renderers.indexOf(e),e.newAPISpecificView=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return Of(e||t.defaultViewAPI,n)},e.addView=n=>{e.hasView(n)||(n.setRenderable(e),t._views.push(n),e.modified())},e.removeView=n=>{t._views=t._views.filter((e=>e!==n)),e.modified()},e.hasView=e=>-1!==t._views.indexOf(e),e.preRender=()=>{t.renderers.forEach((e=>{e.isActiveCameraCreated()||e.resetCamera()}))},e.render=()=>{e.preRender(),t.interactor?t.interactor.render():t._views.forEach((e=>e.traverseAllPasses()))},e.getStatistics=()=>{const e={propCount:0,invisiblePropCount:0,gpuMemoryMB:0};return t._views.forEach((t=>{e.gpuMemoryMB+=t.getGraphicsMemoryInfo()/1e6})),t.renderers.forEach((n=>{const r=n.getViewProps(),o=t._views[0].getViewNodeFor(n);r.forEach((t=>{if(t.getVisibility()){e.propCount+=1;const n=t.getMapper&&t.getMapper();if(n&&n.getPrimitiveCount){const t=o.getViewNodeFor(n);if(t){e.gpuMemoryMB+=t.getAllocatedGPUMemoryInBytes()/1e6;const r=n.getPrimitiveCount();Object.keys(r).forEach((t=>{e[t]||(e[t]=0),e[t]+=r[t]}))}}}else e.invisiblePropCount+=1}))})),e.str=Object.keys(e).map((t=>`${t}: ${e[t]}`)).join("\n"),e},e.captureImages=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"image/png",r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return gt.setImmediate(e.render),t._views.map((e=>e.captureNextImage?e.captureNextImage(n,r):void 0)).filter((e=>!!e))}}const Nf={defaultViewAPI:"WebGL",renderers:[],views:[],interactor:null,neverRendered:!0,numberOfLayers:1};function 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Lf={Device:Ff,Input:kf,Axis:{Unknown:0,TouchpadX:1,TouchpadY:2,ThumbstickX:3,ThumbstickY:4}};const{Device:Bf,Input:Vf}=Lf,{vtkWarningMacro:Uf,vtkErrorMacro:Gf,normalizeWheel:zf,vtkOnceErrorMacro:jf}=gt,Wf={ctrlKey:!1,altKey:!1,shiftKey:!1},Hf={"xr-standard":[Vf.Trigger,Vf.Grip,Vf.TrackPad,Vf.Thumbstick,Vf.A,Vf.B]},Xf=["StartAnimation","Animation","EndAnimation","PointerEnter","PointerLeave","MouseEnter","MouseLeave","StartMouseMove","MouseMove","EndMouseMove","LeftButtonPress","LeftButtonRelease","MiddleButtonPress","MiddleButtonRelease","RightButtonPress","RightButtonRelease","KeyPress","KeyDown","KeyUp","StartMouseWheel","MouseWheel","EndMouseWheel","StartPinch","Pinch","EndPinch","StartPan","Pan","EndPan","StartRotate","Rotate","EndRotate","Button3D","Move3D","StartPointerLock","EndPointerLock","StartInteraction","Interaction","EndInteraction","AnimationFrameRateUpdate"];function Kf(e){e.cancelable&&e.preventDefault()}function qf(e){const t=Object.create(null);return e.forEach((e=>{let{pointerId:n,position:r}=e;t[n]=r})),t}function $f(e,t){t.classHierarchy.push("vtkRenderWindowInteractor");const n=new Set,r=new Map;let o=1;function i(n,r){t._forcedRenderer||(t.currentRenderer=e.findPokedRenderer(n,r))}e.start=()=>{(t.initialized||(e.initialize(),t.initialized))&&e.startEventLoop()},e.setRenderWindow=e=>{Gf("you want to call setView(view) instead of setRenderWindow on a vtk.js interactor")},e.setInteractorStyle=n=>{t.interactorStyle!==n&&(null!=t.interactorStyle&&t.interactorStyle.setInteractor(null),t.interactorStyle=n,null!=t.interactorStyle&&t.interactorStyle.getInteractor()!==e&&t.interactorStyle.setInteractor(e))},e.initialize=()=>{t.initialized=!0,e.enable(),e.render()},e.enable=()=>e.setEnabled(!0),e.disable=()=>e.setEnabled(!1),e.startEventLoop=()=>Uf("empty event loop"),e.getCurrentRenderer=()=>(t.currentRenderer||i(0,0),t.currentRenderer);const a=t._getScreenEventPositionFor||function(e){const n=t._view.getCanvas(),o=n.getBoundingClientRect(),a=n.width/o.width,s=n.height/o.height,l={x:a*(e.clientX-o.left),y:s*(o.height-e.clientY+o.top),z:0};return(r.size<=1||!t.currentRenderer)&&i(l.x,l.y),l};function s(e){return{controlKey:e.ctrlKey,altKey:e.altKey,shiftKey:e.shiftKey}}function l(e){const t=s(e);return{key:e.key,keyCode:e.charCode,...t}}function u(e){return e.pointerType||""}function c(){t._view&&t.enabled&&t.enableRender&&(t.inRender=!0,t._view.traverseAllPasses(),t.inRender=!1),e.invokeRenderEvent()}e.bindEvents=n=>{t.container=n,n.addEventListener("contextmenu",Kf),n.addEventListener("wheel",e.handleWheel),n.addEventListener("DOMMouseScroll",e.handleWheel),n.addEventListener("pointerenter",e.handlePointerEnter),n.addEventListener("pointerleave",e.handlePointerLeave),n.addEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.addEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.addEventListener("pointerup",e.handlePointerUp),n.addEventListener("pointercancel",e.handlePointerCancel),document.addEventListener("keypress",e.handleKeyPress),document.addEventListener("keydown",e.handleKeyDown),document.addEventListener("keyup",e.handleKeyUp),document.addEventListener("pointerlockchange",e.handlePointerLockChange),n.style.touchAction="none",n.style.userSelect="none",n.style.webkitTapHighlightColor="rgba(0,0,0,0)"},e.unbindEvents=()=>{const{container:n}=t;n.removeEventListener("contextmenu",Kf),n.removeEventListener("wheel",e.handleWheel),n.removeEventListener("DOMMouseScroll",e.handleWheel),n.removeEventListener("pointerenter",e.handlePointerEnter),n.removeEventListener("pointerleave",e.handlePointerLeave),n.removeEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.removeEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.removeEventListener("pointerup",e.handlePointerUp),n.removeEventListener("pointercancel",e.handlePointerCancel),document.removeEventListener("keypress",e.handleKeyPress),document.removeEventListener("keydown",e.handleKeyDown),document.removeEventListener("keyup",e.handleKeyUp),document.removeEventListener("pointerlockchange",e.handlePointerLockChange),t.container=null,r.clear()},e.handleKeyPress=t=>{const n=l(t);e.keyPressEvent(n)},e.handleKeyDown=t=>{const n=l(t);e.keyDownEvent(n)},e.handleKeyUp=t=>{const n=l(t);e.keyUpEvent(n)},e.handlePointerEnter=t=>{const n={...s(t),position:a(t),deviceType:u(t)};e.pointerEnterEvent(n),"mouse"===n.deviceType&&e.mouseEnterEvent(n)},e.handlePointerLeave=t=>{const n={...s(t),position:a(t),deviceType:u(t)};e.pointerLeaveEvent(n),"mouse"===n.deviceType&&e.mouseLeaveEvent(n)},e.handlePointerDown=n=>{if(!(n.button>2||e.isPointerLocked()))switch(t.preventDefaultOnPointerDown&&Kf(n),n.target.hasPointerCapture(n.pointerId)&&n.target.releasePointerCapture(n.pointerId),t.container.setPointerCapture(n.pointerId),r.has(n.pointerId)&&Uf("[RenderWindowInteractor] duplicate pointerId 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pressed: ${t.button}`)}},e.requestPointerLock=()=>{t.container&&t.container.requestPointerLock()},e.exitPointerLock=()=>document.exitPointerLock?.(),e.isPointerLocked=()=>!!t.container&&document.pointerLockElement===t.container,e.handlePointerLockChange=()=>{e.isPointerLocked()?e.startPointerLockEvent():e.endPointerLockEvent()},e.requestAnimation=r=>{void 0!==r?n.has(r)?Uf("requester is already registered for animating"):(n.add(r),t.animationRequest||1!==n.size||t.xrAnimation||(t._animationStartTime=Date.now(),t._animationFrameCount=0,t.animationRequest=requestAnimationFrame(e.handleAnimation),e.startAnimationEvent())):Gf("undefined requester, can not start animating")},e.extendAnimation=r=>{const o=Date.now()+r;t._animationExtendedEnd=Math.max(t._animationExtendedEnd,o),t.animationRequest||0!==n.size||t.xrAnimation||(t._animationStartTime=Date.now(),t._animationFrameCount=0,t.animationRequest=requestAnimationFrame(e.handleAnimation),e.startAnimationEvent())},e.isAnimating=()=>t.xrAnimation||null!==t.animationRequest,e.cancelAnimation=function(r){let o=arguments.length>1&&void 0!==arguments[1]&&arguments[1];if(n.has(r))n.delete(r),t.animationRequest&&0===n.size&&Date.now()>t._animationExtendedEnd&&(cancelAnimationFrame(t.animationRequest),t.animationRequest=null,e.endAnimationEvent(),e.render());else if(!o){const e=r&&r.getClassName?r.getClassName():r;Uf(`${e} did not request an animation`)}},e.switchToXRAnimation=()=>{t.animationRequest&&(cancelAnimationFrame(t.animationRequest),t.animationRequest=null),t.xrAnimation=!0},e.returnFromXRAnimation=()=>{t.xrAnimation=!1,0!==n.size&&(t.recentAnimationFrameRate=10,t.animationRequest=requestAnimationFrame(e.handleAnimation))},e.updateXRGamepads=(n,r,o)=>{n.inputSources.forEach((n=>{const i=null==n.gripSpace?null:r.getPose(n.gripSpace,o),a=n.gamepad,s=n.handedness;if(a){a.index in t.lastGamepadValues||(t.lastGamepadValues[a.index]={left:{buttons:{}},right:{buttons:{}},none:{buttons:{}}});for(let r=0;r{const r={...s(n),position:a(n),deviceType:u(n)};0===t.moveTimeoutID?e.startMouseMoveEvent(r):(e.mouseMoveEvent(r),clearTimeout(t.moveTimeoutID)),t.moveTimeoutID=setTimeout((()=>{e.endMouseMoveEvent(),t.moveTimeoutID=0}),200)},e.handleAnimation=()=>{const r=Date.now();t._animationFrameCount++,r-t._animationStartTime>1e3&&t._animationFrameCount>1&&(t.recentAnimationFrameRate=1e3*(t._animationFrameCount-1)/(r-t._animationStartTime),t.lastFrameTime=1/t.recentAnimationFrameRate,e.animationFrameRateUpdateEvent(),t._animationStartTime=r,t._animationFrameCount=1),e.animationEvent(),c(),n.size>0||Date.now(){Kf(n);const r={...zf(n),...s(n),position:a(n),deviceType:u(n)};0===t.wheelTimeoutID&&(o=Math.abs(r.spinY)>=.3?Math.abs(r.spinY):1),r.spinY/=o,0===t.wheelTimeoutID?(e.startMouseWheelEvent(r),e.mouseWheelEvent(r)):(e.mouseWheelEvent(r),clearTimeout(t.wheelTimeoutID)),t.mouseScrollDebounceByPass?(e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0):t.wheelTimeoutID=setTimeout((()=>{e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0}),200)},e.handleMouseUp=t=>{const n={...s(t),position:a(t),deviceType:u(t)};switch(t.button){case 0:e.leftButtonReleaseEvent(n);break;case 1:e.middleButtonReleaseEvent(n);break;case 2:e.rightButtonReleaseEvent(n);break;default:Gf(`Unknown mouse button released: ${t.button}`)}},e.handleTouchStart=n=>{const o=[...r.values()];if(t.recognizeGestures&&o.length>1){const t=qf(r);if(2===o.length){const t={...s(Wf),position:o[0].position,deviceType:u(n)};e.leftButtonReleaseEvent(t)}e.recognizeGesture("TouchStart",t)}else if(1===o.length){const t={...s(Wf),position:a(n),deviceType:u(n)};e.leftButtonPressEvent(t)}},e.handleTouchMove=n=>{const o=[...r.values()];if(t.recognizeGestures&&o.length>1){const t=qf(r);e.recognizeGesture("TouchMove",t)}else if(1===o.length){const t={...s(Wf),position:o[0].position,deviceType:u(n)};e.mouseMoveEvent(t)}},e.handleTouchEnd=n=>{const o=[...r.values()];if(t.recognizeGestures)if(0===o.length){const t={...s(Wf),position:a(n),deviceType:u(n)};e.leftButtonReleaseEvent(t)}else if(1===o.length){const t=qf(r);e.recognizeGesture("TouchEnd",t);const i={...s(Wf),position:o[0].position,deviceType:u(n)};e.leftButtonPressEvent(i)}else{const t=qf(r);e.recognizeGesture("TouchMove",t)}else if(1===o.length){const t={...s(Wf),position:o[0].position,deviceType:u(n)};e.leftButtonReleaseEvent(t)}},e.setView=n=>{t._view!==n&&(t._view=n,t._view.getRenderable().setInteractor(e),e.modified())},e.getFirstRenderer=()=>t._view?.getRenderable()?.getRenderersByReference()?.[0],e.findPokedRenderer=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;if(!t._view)return null;const r=t._view?.getRenderable()?.getRenderers();if(!r||0===r.length)return null;r.sort(((e,t)=>e.getLayer()-t.getLayer()));let o=null,i=null,a=null,s=r.length;for(;s--;){const l=r[s];if(t._view.isInViewport(e,n,l)&&l.getInteractive()){a=l;break}null===o&&l.getInteractive()&&(o=l),null===i&&t._view.isInViewport(e,n,l)&&(i=l)}return null===a&&(a=o),null===a&&(a=i),null==a&&(a=r[0]),a},e.render=()=>{e.isAnimating()||t.inRender||c()},Xf.forEach((n=>{const r=n.charAt(0).toLowerCase()+n.slice(1);e[`${r}Event`]=r=>{if(!t.enabled)return;if(!e.getCurrentRenderer())return void jf("\n Can not forward events without a current renderer on the interactor.\n ");const o={type:n,pokedRenderer:t.currentRenderer,firstRenderer:e.getFirstRenderer(),...r};e[`invoke${n}`](o)}})),e.recognizeGesture=(n,r)=>{if(Object.keys(r).length>2)return;if(t.startingEventPositions||(t.startingEventPositions={}),"TouchStart"===n)return Object.keys(r).forEach((e=>{t.startingEventPositions[e]=r[e]})),void(t.currentGesture="Start");if("TouchEnd"===n)return"Pinch"===t.currentGesture&&(e.render(),e.endPinchEvent()),"Rotate"===t.currentGesture&&(e.render(),e.endRotateEvent()),"Pan"===t.currentGesture&&(e.render(),e.endPanEvent()),t.currentGesture="Start",void(t.startingEventPositions={});let o=0;const i=[],a=[];Object.keys(r).forEach((e=>{i[o]=r[e],a[o]=t.startingEventPositions[e],o++}));const s=Math.sqrt((a[0].x-a[1].x)*(a[0].x-a[1].x)+(a[0].y-a[1].y)*(a[0].y-a[1].y)),l=Math.sqrt((i[0].x-i[1].x)*(i[0].x-i[1].x)+(i[0].y-i[1].y)*(i[0].y-i[1].y));let u=_n(Math.atan2(a[1].y-a[0].y,a[1].x-a[0].x)),c=_n(Math.atan2(i[1].y-i[0].y,i[1].x-i[0].x)),d=c-u;c=c+180>=360?c-180:c+180,u=u+180>=360?u-180:u+180,Math.abs(c-u)n&&o>i&&o>a){t.currentGesture="Pinch";const n={scale:1,touches:r};e.startPinchEvent(n)}else if(i>n&&i>a){t.currentGesture="Rotate";const n={rotation:0,touches:r};e.startRotateEvent(n)}else if(a>n){t.currentGesture="Pan";const n={translation:[0,0],touches:r};e.startPanEvent(n)}}else{if("Rotate"===t.currentGesture){const t={rotation:d,touches:r};e.rotateEvent(t)}if("Pinch"===t.currentGesture){const t={scale:l/s,touches:r};e.pinchEvent(t)}if("Pan"===t.currentGesture){const t={translation:p,touches:r};e.panEvent(t)}}},e.handleVisibilityChange=()=>{t._animationStartTime=Date.now(),t._animationFrameCount=0},e.setCurrentRenderer=e=>{t._forcedRenderer=!!e,t.currentRenderer=e};const d=e.delete;e.delete=()=>{for(;n.size;)e.cancelAnimation(n.values().next().value);void 0!==document.hidden&&document.removeEventListener("visibilitychange",e.handleVisibilityChange),t.container&&e.unbindEvents(),d()},void 0!==document.hidden&&document.addEventListener("visibilitychange",e.handleVisibilityChange,!1)}const Yf={renderWindow:null,interactorStyle:null,picker:null,pickingManager:null,initialized:!1,enabled:!1,enableRender:!0,currentRenderer:null,lightFollowCamera:!0,desiredUpdateRate:30,stillUpdateRate:2,container:null,recognizeGestures:!0,currentGesture:"Start",animationRequest:null,lastFrameTime:.1,recentAnimationFrameRate:10,wheelTimeoutID:0,moveTimeoutID:0,lastGamepadValues:{},preventDefaultOnPointerDown:!1,preventDefaultOnPointerUp:!1,mouseScrollDebounceByPass:!1};function Jf(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Yf,n),gt.obj(e,t),t._animationExtendedEnd=0,gt.event(e,t,"RenderEvent"),Xf.forEach((n=>gt.event(e,t,n))),gt.get(e,t,["initialized","container","interactorStyle","lastFrameTime","recentAnimationFrameRate","_view"]),gt.setGet(e,t,["lightFollowCamera","enabled","enableRender","recognizeGestures","desiredUpdateRate","stillUpdateRate","picker","preventDefaultOnPointerDown","preventDefaultOnPointerUp","mouseScrollDebounceByPass"]),gt.moveToProtected(e,t,["view"]),$f(e,t)}var Qf={newInstance:gt.newInstance(Jf,"vtkRenderWindowInteractor"),extend:Jf,handledEvents:Xf,...Lf};const{vtkErrorMacro:Zf,VOID:eh}=gt;function th(e,t){t.classHierarchy.push("vtkInteractorObserver");const n={...e};function r(){for(;t.subscribedEvents.length;)t.subscribedEvents.pop().unsubscribe()}function o(){Qf.handledEvents.forEach((n=>{e[`handle${n}`]&&t.subscribedEvents.push(t._interactor[`on${n}`]((r=>t.processEvents?e[`handle${n}`](r):eh),t.priority))}))}e.setInteractor=n=>{n!==t._interactor&&(r(),t._interactor=n,n&&t.enabled&&o(),e.modified())},e.setEnabled=n=>{n!==t.enabled&&(r(),n&&(t._interactor?o():Zf("\n The interactor must be set before subscribing to events\n ")),t.enabled=n,e.modified())},e.computeDisplayToWorld=(e,n,r,o)=>e?t._interactor.getView().displayToWorld(n,r,o,e):null,e.computeWorldToDisplay=(e,n,r,o)=>e?t._interactor.getView().worldToDisplay(n,r,o,e):null,e.setPriority=e=>{n.setPriority(e)&&t._interactor&&(r(),o())}}const nh={enabled:!0,priority:0,processEvents:!0,subscribedEvents:[]};function rh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,nh,n),gt.obj(e,t),gt.event(e,t,"InteractionEvent"),gt.event(e,t,"StartInteractionEvent"),gt.event(e,t,"EndInteractionEvent"),gt.get(e,t,["_interactor","enabled"]),gt.setGet(e,t,["priority","processEvents"]),gt.moveToProtected(e,t,["interactor"]),th(e,t)}var oh={newInstance:gt.newInstance(rh,"vtkInteractorObserver"),extend:rh,computeWorldToDisplay:function(e,t,n,r){return e.getRenderWindow().getViews()[0].worldToDisplay(t,n,r,e)},computeDisplayToWorld:function(e,t,n,r){return e.getRenderWindow().getViews()[0].displayToWorld(t,n,r,e)}},ih={States:{IS_START:0,IS_NONE:0,IS_ROTATE:1,IS_PAN:2,IS_SPIN:3,IS_DOLLY:4,IS_CAMERA_POSE:11,IS_WINDOW_LEVEL:1024,IS_SLICE:1025}};const{States:ah}=ih,sh={Rotate:ah.IS_ROTATE,Pan:ah.IS_PAN,Spin:ah.IS_SPIN,Dolly:ah.IS_DOLLY,CameraPose:ah.IS_CAMERA_POSE,WindowLevel:ah.IS_WINDOW_LEVEL,Slice:ah.IS_SLICE};function lh(e,t){t.classHierarchy.push("vtkInteractorStyle"),Object.keys(sh).forEach((n=>{gt.event(e,t,`Start${n}Event`),e[`start${n}`]=()=>{t.state===ah.IS_NONE&&(t.state=sh[n],t._interactor.requestAnimation(e),e.invokeStartInteractionEvent({type:"StartInteractionEvent"}),e[`invokeStart${n}Event`]({type:`Start${n}Event`}))},gt.event(e,t,`End${n}Event`),e[`end${n}`]=()=>{t.state===sh[n]&&(t.state=ah.IS_NONE,t._interactor.cancelAnimation(e),e.invokeEndInteractionEvent({type:"EndInteractionEvent"}),e[`invokeEnd${n}Event`]({type:`End${n}Event`}),t._interactor.render())}})),e.handleKeyPress=e=>{const n=t._interactor;let r=null;switch(e.key){case"r":case"R":e.pokedRenderer.resetCamera(),n.render();break;case"w":case"W":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToWireframe&&t.setRepresentationToWireframe()})),n.render();break;case"s":case"S":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToSurface&&t.setRepresentationToSurface()})),n.render();break;case"v":case"V":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToPoints&&t.setRepresentationToPoints()})),n.render()}}}const uh={state:ah.IS_NONE,handleObservers:1,autoAdjustCameraClippingRange:1};function ch(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uh,n),oh.extend(e,t,n),lh(e,t)}var dh={newInstance:gt.newInstance(ch,"vtkInteractorStyle"),extend:ch,...ih};const{States:ph}=ih;function fh(e,t){t.classHierarchy.push("vtkInteractorStyleTrackballCamera"),e.handleMouseMove=n=>{const r=n.position,o=n.pokedRenderer;switch(t.state){case ph.IS_ROTATE:e.handleMouseRotate(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case ph.IS_PAN:e.handleMousePan(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case ph.IS_DOLLY:e.handleMouseDolly(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case ph.IS_SPIN:e.handleMouseSpin(o,r),e.invokeInteractionEvent({type:"InteractionEvent"})}t.previousPosition=r},e.handleButton3D=n=>{!n||!n.pressed||n.device!==Ff.RightController||n.input!==kf.Trigger&&n.input!==kf.TrackPad?!n||n.pressed||n.device!==Ff.RightController||n.input!==kf.Trigger&&n.input!==kf.TrackPad||t.state!==ph.IS_CAMERA_POSE||e.endCameraPose():e.startCameraPose()},e.handleMove3D=n=>{t.state===ph.IS_CAMERA_POSE&&e.updateCameraPose(n)},e.updateCameraPose=e=>{const t=e.pokedRenderer.getActiveCamera(),n=t.getPhysicalTranslation(),r=.025*t.getPhysicalScale(),o=t.physicalOrientationToWorldDirection([e.orientation.x,e.orientation.y,e.orientation.z,e.orientation.w]);t.setPhysicalTranslation(n[0]+o[0]*r,n[1]+o[1]*r,n[2]+o[2]*r)},e.handleLeftButtonPress=n=>{const r=n.position;t.previousPosition=r,n.shiftKey?n.controlKey||n.altKey?e.startDolly():e.startPan():n.controlKey||n.altKey?e.startSpin():e.startRotate()},e.handleLeftButtonRelease=()=>{switch(t.state){case ph.IS_DOLLY:e.endDolly();break;case ph.IS_PAN:e.endPan();break;case ph.IS_SPIN:e.endSpin();break;case ph.IS_ROTATE:e.endRotate()}},e.handleStartMouseWheel=()=>{e.startDolly()},e.handleEndMouseWheel=()=>{e.endDolly()},e.handleStartPinch=n=>{t.previousScale=n.scale,e.startDolly()},e.handleEndPinch=()=>{e.endDolly()},e.handleStartRotate=n=>{t.previousRotation=n.rotation,e.startRotate()},e.handleEndRotate=()=>{e.endRotate()},e.handleStartPan=n=>{t.previousTranslation=n.translation,e.startPan()},e.handleEndPan=()=>{e.endPan()},e.handlePinch=n=>{e.dollyByFactor(n.pokedRenderer,n.scale/t.previousScale),t.previousScale=n.scale},e.handlePan=n=>{const r=n.pokedRenderer.getActiveCamera();let o=r.getFocalPoint();o=e.computeWorldToDisplay(n.pokedRenderer,o[0],o[1],o[2]);const i=o[2],a=n.translation,s=t.previousTranslation,l=e.computeDisplayToWorld(n.pokedRenderer,o[0]+a[0]-s[0],o[1]+a[1]-s[1],i),u=e.computeDisplayToWorld(n.pokedRenderer,o[0],o[1],i),c=[];c[0]=u[0]-l[0],c[1]=u[1]-l[1],c[2]=u[2]-l[2],o=r.getFocalPoint();const d=r.getPosition();r.setFocalPoint(c[0]+o[0],c[1]+o[1],c[2]+o[2]),r.setPosition(c[0]+d[0],c[1]+d[1],c[2]+d[2]),t._interactor.getLightFollowCamera()&&n.pokedRenderer.updateLightsGeometryToFollowCamera(),r.orthogonalizeViewUp(),t.previousTranslation=n.translation},e.handleRotate=e=>{const n=e.pokedRenderer.getActiveCamera();n.roll(e.rotation-t.previousRotation),n.orthogonalizeViewUp(),t.previousRotation=e.rotation},e.handleMouseRotate=(e,n)=>{if(!t.previousPosition)return;const r=t._interactor,o=n.x-t.previousPosition.x,i=n.y-t.previousPosition.y,a=r.getView().getViewportSize(e);let s=-.1,l=-.1;a[0]&&a[1]&&(s=-20/a[1],l=-20/a[0]);const u=o*l*t.motionFactor,c=i*s*t.motionFactor,d=e.getActiveCamera();Number.isNaN(u)||Number.isNaN(c)||(d.azimuth(u),d.elevation(c),d.orthogonalizeViewUp()),t.autoAdjustCameraClippingRange&&e.resetCameraClippingRange(),r.getLightFollowCamera()&&e.updateLightsGeometryToFollowCamera()},e.handleMouseSpin=(e,n)=>{if(!t.previousPosition)return;const r=t._interactor,o=e.getActiveCamera(),i=r.getView().getViewportCenter(e),a=_n(Math.atan2(t.previousPosition.y-i[1],t.previousPosition.x-i[0])),s=_n(Math.atan2(n.y-i[1],n.x-i[0]))-a;Number.isNaN(s)||(o.roll(s),o.orthogonalizeViewUp())},e.handleMousePan=(n,r)=>{if(!t.previousPosition)return;const o=n.getActiveCamera();let i=o.getFocalPoint();i=e.computeWorldToDisplay(n,i[0],i[1],i[2]);const a=i[2],s=e.computeDisplayToWorld(n,r.x,r.y,a),l=e.computeDisplayToWorld(n,t.previousPosition.x,t.previousPosition.y,a),u=[];u[0]=l[0]-s[0],u[1]=l[1]-s[1],u[2]=l[2]-s[2],i=o.getFocalPoint();const c=o.getPosition();o.setFocalPoint(u[0]+i[0],u[1]+i[1],u[2]+i[2]),o.setPosition(u[0]+c[0],u[1]+c[1],u[2]+c[2]),t._interactor.getLightFollowCamera()&&n.updateLightsGeometryToFollowCamera()},e.handleMouseDolly=(n,r)=>{if(!t.previousPosition)return;const o=r.y-t.previousPosition.y,i=t._interactor.getView().getViewportCenter(n),a=t.motionFactor*o/i[1];e.dollyByFactor(n,1.1**a)},e.handleMouseWheel=n=>{const r=1-n.spinY/t.zoomFactor;e.dollyByFactor(n.pokedRenderer,r)},e.dollyByFactor=(e,n)=>{if(Number.isNaN(n))return;const r=e.getActiveCamera();r.getParallelProjection()?r.setParallelScale(r.getParallelScale()/n):(r.dolly(n),t.autoAdjustCameraClippingRange&&e.resetCameraClippingRange()),t._interactor.getLightFollowCamera()&&e.updateLightsGeometryToFollowCamera()}}const hh={motionFactor:10,zoomFactor:10};function mh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,hh,n),dh.extend(e,t,n),gt.setGet(e,t,["motionFactor","zoomFactor"]),fh(e,t)}var gh={newInstance:gt.newInstance(mh,"vtkInteractorStyleTrackballCamera"),extend:mh};function vh(e){return e}function yh(e){return null===e||"null"===e?null:"true"===e||"false"!==e&&(void 0!==e&&"undefined"!==e?"["===e[0]&&"]"===e[e.length-1]?e.substring(1,e.length-1).split(",").map((e=>yh(e.trim()))):""===e||Number.isNaN(Number(e))?e:Number(e):void 0)}var bh=function(){let e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0],t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:window.location.search;const n={},r=e?yh:vh,o=(t||"").replace(/#.*/,"").replace("?","").split("&");return o.forEach((e=>{const[t,o]=e.split("=").map((e=>decodeURIComponent(e)));t&&(n[t]=!o||r(o))})),n},xh={CoordinateSystem:{DISPLAY:0,WORLD:1}};const{CoordinateSystem:_h}=xh;function Th(e){return()=>gt.vtkErrorMacro(`vtkProp::${e} - NOT IMPLEMENTED`)}function Sh(e,t){t.classHierarchy.push("vtkProp"),e.getMTime=()=>{let e=t.mtime;for(let n=0;ne&&(e=r)}return e},e.processSelectorPixelBuffers=(e,t)=>{},e.getNestedProps=()=>null,e.getActors=()=>[],e.getActors2D=()=>[],e.getVolumes=()=>[],e.pick=Th("pick"),e.hasKey=Th("hasKey"),e.getNestedVisibility=()=>t.visibility&&(!t._parentProp||t._parentProp.getNestedVisibility()),e.getNestedPickable=()=>t.pickable&&(!t._parentProp||t._parentProp.getNestedPickable()),e.getNestedDragable=()=>t.dragable&&(!t._parentProp||t._parentProp.getNestedDragable()),e.getRedrawMTime=()=>t.mtime,e.setEstimatedRenderTime=e=>{t.estimatedRenderTime=e,t.savedEstimatedRenderTime=e},e.restoreEstimatedRenderTime=()=>{t.estimatedRenderTime=t.savedEstimatedRenderTime},e.addEstimatedRenderTime=e=>{t.estimatedRenderTime+=e},e.setAllocatedRenderTime=e=>{t.allocatedRenderTime=e,t.savedEstimatedRenderTime=t.estimatedRenderTime,t.estimatedRenderTime=0},e.getSupportsSelection=()=>!1,e.getTextures=()=>t.textures,e.hasTexture=e=>-1!==t.textures.indexOf(e),e.addTexture=n=>{n&&!e.hasTexture(n)&&(t.textures=t.textures.concat(n),e.modified())},e.removeTexture=n=>{const r=t.textures.filter((e=>e!==n));t.textures.length!==r.length&&(t.textures=r,e.modified())},e.removeAllTextures=()=>{t.textures=[],e.modified()},e.setCoordinateSystemToWorld=()=>e.setCoordinateSystem(_h.WORLD),e.setCoordinateSystemToDisplay=()=>e.setCoordinateSystem(_h.DISPLAY)}const wh={allocatedRenderTime:10,coordinateSystem:_h.WORLD,dragable:!0,estimatedRenderTime:0,paths:null,pickable:!0,renderTimeMultiplier:1,savedEstimatedRenderTime:0,textures:[],useBounds:!0,visibility:!0};function Ch(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,wh,n),gt.obj(e,t),gt.get(e,t,["estimatedRenderTime","allocatedRenderTime"]),gt.setGet(e,t,["_parentProp","coordinateSystem","dragable","pickable","renderTimeMultiplier","useBounds","visibility"]),gt.moveToProtected(e,t,["parentProp"]),Sh(e,t)}var Ah={newInstance:gt.newInstance(Ch,"vtkProp"),extend:Ch,...xh};function Eh(e,t){t.classHierarchy.push("vtkProp3D"),e.addPosition=n=>{t.position=t.position.map(((e,t)=>e+n[t])),e.modified()},e.getOrientationWXYZ=()=>{const e=Ro();F(e,t.rotation);const n=new Float64Array(3),r=function(e,t){var n=2*Math.acos(t[3]),r=Math.sin(n/2);return r>o?(e[0]=t[0]/r,e[1]=t[1]/r,e[2]=t[2]/r):(e[0]=1,e[1]=0,e[2]=0),n}(n,e);return[_n(r),n[0],n[1],n[2]]},e.rotateX=n=>{0!==n&&(T(t.rotation,t.rotation,xn(n)),e.modified())},e.rotateY=n=>{0!==n&&(S(t.rotation,t.rotation,xn(n)),e.modified())},e.rotateZ=n=>{0!==n&&(w(t.rotation,t.rotation,xn(n)),e.modified())},e.rotateWXYZ=(n,r,o,i)=>{if(0===n||0===r&&0===o&&0===i)return;const a=xn(n),s=Ro();Fo(s,[r,o,i],a);const l=new Float64Array(16);B(l,s),y(t.rotation,t.rotation,l),e.modified()},e.setOrientation=(n,r,o)=>(n!==t.orientation[0]||r!==t.orientation[1]||o!==t.orientation[2])&&(t.orientation=[n,r,o],f(t.rotation),e.rotateZ(o),e.rotateX(n),e.rotateY(r),e.modified(),!0),e.setUserMatrix=n=>!$n(t.userMatrix,n)&&(c(t.userMatrix,n),e.modified(),!0),e.getMatrix=()=>(e.computeMatrix(),t.matrix),e.computeMatrix=()=>{if(e.getMTime()>t.matrixMTime.getMTime()){f(t.matrix),t.userMatrix&&y(t.matrix,t.matrix,t.userMatrix),b(t.matrix,t.matrix,t.origin),b(t.matrix,t.matrix,t.position),y(t.matrix,t.matrix,t.rotation),x(t.matrix,t.matrix,t.scale),b(t.matrix,t.matrix,[-t.origin[0],-t.origin[1],-t.origin[2]]),h(t.matrix,t.matrix),t.isIdentity=!0;for(let e=0;e<4;++e)for(let n=0;n<4;++n)(e===n?1:0)!==t.matrix[e+4*n]&&(t.isIdentity=!1);t.matrixMTime.modified()}},e.getCenter=()=>bf.getCenter(t.bounds),e.getLength=()=>bf.getLength(t.bounds),e.getXRange=()=>bf.getXRange(t.bounds),e.getYRange=()=>bf.getYRange(t.bounds),e.getZRange=()=>bf.getZRange(t.bounds),e.getUserMatrix=()=>t.userMatrix,e.onModified((function(){e.computeMatrix()}))}const Dh={origin:[0,0,0],position:[0,0,0],orientation:[0,0,0],rotation:null,scale:[1,1,1],bounds:[1,-1,1,-1,1,-1],userMatrix:null,userMatrixMTime:null,cachedProp3D:null,isIdentity:!0,matrixMTime:null};function Ih(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Dh,n),Ah.extend(e,t,n),t.matrixMTime={},gt.obj(t.matrixMTime),gt.get(e,t,["bounds","isIdentity"]),gt.getArray(e,t,["orientation"]),gt.setGetArray(e,t,["origin","position","scale"],3),t.matrix=f(new Float64Array(16)),t.rotation=f(new Float64Array(16)),t.userMatrix=f(new Float64Array(16)),t.transform=null,Eh(e,t)}var Oh={newInstance:gt.newInstance(Ih,"vtkProp3D"),extend:Ih};const{vtkDebugMacro:Ph}=gt;function Nh(e,t){t.classHierarchy.push("vtkActor");const n={...e};e.getActors=()=>[e],e.getIsOpaque=()=>{if(t.forceOpaque)return!0;if(t.forceTranslucent)return!1;t.property||e.getProperty();let n=t.property.getOpacity()>=1;return n=n&&(!t.texture||!t.texture.isTranslucent()),n=n&&(!t.mapper||t.mapper.getIsOpaque()),n},e.hasTranslucentPolygonalGeometry=()=>null!==t.mapper&&(null===t.property&&e.setProperty(e.makeProperty()),!e.getIsOpaque()),e.makeProperty=wu.newInstance,e.getProperty=()=>(null===t.property&&(t.property=e.makeProperty()),t.property),e.getBounds=()=>{if(null===t.mapper)return t.bounds;const n=t.mapper.getBounds();if(!n||6!==n.length)return n;if(n[0]>n[1])return t.mapperBounds=n.concat(),t.bounds=[1,-1,1,-1,1,-1],t.boundsMTime.modified(),n;if(!t.mapperBounds||n[0]!==t.mapperBounds[0]||n[1]!==t.mapperBounds[1]||n[2]!==t.mapperBounds[2]||n[3]!==t.mapperBounds[3]||n[4]!==t.mapperBounds[4]||n[5]!==t.mapperBounds[5]||e.getMTime()>t.boundsMTime.getMTime()){Ph("Recomputing bounds..."),t.mapperBounds=n.concat();const r=[];bf.getCorners(n,r),e.computeMatrix();const o=new Float64Array(16);h(o,t.matrix),r.forEach((e=>Yt(e,e,o))),t.bounds[0]=t.bounds[2]=t.bounds[4]=Number.MAX_VALUE,t.bounds[1]=t.bounds[3]=t.bounds[5]=-Number.MAX_VALUE,t.bounds=t.bounds.map(((e,t)=>t%2==0?r.reduce(((e,n)=>e>n[t/2]?n[t/2]:e),e):r.reduce(((e,n)=>e{let e=n.getMTime();if(null!==t.property){const n=t.property.getMTime();e=n>e?n:e}if(null!==t.backfaceProperty){const n=t.backfaceProperty.getMTime();e=n>e?n:e}return e},e.getRedrawMTime=()=>{let e=t.mtime;if(null!==t.mapper){let n=t.mapper.getMTime();e=n>e?n:e,null!==t.mapper.getInput()&&(t.mapper.getInputAlgorithm().update(),n=t.mapper.getInput().getMTime(),e=n>e?n:e)}return e},e.getSupportsSelection=()=>!!t.mapper&&t.mapper.getSupportsSelection(),e.processSelectorPixelBuffers=(e,n)=>{t.mapper&&t.mapper.processSelectorPixelBuffers&&t.mapper.processSelectorPixelBuffers(e,n)}}const Mh={mapper:null,property:null,backfaceProperty:null,forceOpaque:!1,forceTranslucent:!1,bounds:[1,-1,1,-1,1,-1]};function Rh(e,t){t.classHierarchy.push("vtkAbstractMapper"),e.update=()=>{e.getInputData()},e.addClippingPlane=n=>!!n.isA("vtkPlane")&&!t.clippingPlanes.includes(n)&&(t.clippingPlanes.push(n),e.modified(),!0),e.getNumberOfClippingPlanes=()=>t.clippingPlanes.length,e.removeAllClippingPlanes=()=>0!==t.clippingPlanes.length&&(t.clippingPlanes.length=0,e.modified(),!0),e.removeClippingPlane=n=>{const r=t.clippingPlanes.indexOf(n);return-1!==r&&(t.clippingPlanes.splice(r,1),e.modified(),!0)},e.getClippingPlanes=()=>t.clippingPlanes,e.setClippingPlanes=t=>{if(t)if(Array.isArray(t)){const n=t.length;for(let r=0;r{const o=t.clippingPlanes,i=e;if(o){const e=o.length;if(n>=0&&n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Mh,n),Oh.extend(e,t,n),t.boundsMTime={},gt.obj(t.boundsMTime),gt.set(e,t,["property"]),gt.setGet(e,t,["backfaceProperty","forceOpaque","forceTranslucent","mapper"]),Nh(e,t)}),"vtkActor");const Fh={clippingPlanes:[]};var kh=function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fh,n),gt.obj(e,t),gt.algo(e,t,1,0),t.clippingPlanes||(t.clippingPlanes=[]),Rh(e,t)};function Lh(e,t){e.getBounds=()=>(gt.vtkErrorMacro("vtkAbstractMapper3D.getBounds - NOT IMPLEMENTED"),Dr()),e.getCenter=()=>{const n=e.getBounds();return t.center=bf.isValid(n)?bf.getCenter(n):null,t.center?.slice()},e.getLength=()=>{const t=e.getBounds();return bf.getDiagonalLength(t)}}const Bh=e=>({bounds:[...bf.INIT_BOUNDS],center:[0,0,0],viewSpecificProperties:{},...e});var Vh=function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Bh(n)),kh(e,t,n),gt.setGet(e,t,["viewSpecificProperties"]),Lh(e,t)};const Uh={UNCHANGED:0,SINGLE_POINT:1,X_LINE:2,Y_LINE:3,Z_LINE:4,XY_PLANE:5,YZ_PLANE:6,XZ_PLANE:7,XYZ_GRID:8,EMPTY:9};var Gh={StructuredType:Uh};const{StructuredType:zh}=Gh;var jh={getDataDescriptionFromExtent:function(e){let t=0;for(let n=0;n<3;++n)e[2*n]e[1]||e[2]>e[3]||e[4]>e[5]?zh.EMPTY:3===t?zh.XYZ_GRID:2===t?e[0]===e[1]?zh.YZ_PLANE:e[2]===e[3]?zh.XZ_PLANE:zh.XY_PLANE:1===t?e[0]e!==i[t]));return a&&(t.extent=i.slice(),t.dataDescription=jh.getDataDescriptionFromExtent(t.extent),e.modified()),a},e.setDimensions=function(){let n,r,o;if(t.deleted)Wh("instance deleted - cannot call any method");else{if(1===arguments.length){const e=arguments.length<=0?void 0:arguments[0];n=e[0],r=e[1],o=e[2]}else{if(3!==arguments.length)return void Wh("Bad dimension specification");n=arguments.length<=0?void 0:arguments[0],r=arguments.length<=1?void 0:arguments[1],o=arguments.length<=2?void 0:arguments[2]}e.setExtent(0,n-1,0,r-1,0,o-1)}},e.getDimensions=()=>[t.extent[1]-t.extent[0]+1,t.extent[3]-t.extent[2]+1,t.extent[5]-t.extent[4]+1],e.getNumberOfCells=()=>{const t=e.getDimensions();let n=1;for(let e=0;e<3;e++){if(0===t[e])return 0;t[e]>1&&(n*=t[e]-1)}return n},e.getNumberOfPoints=()=>{const t=e.getDimensions();return t[0]*t[1]*t[2]},e.getPoint=n=>{const r=e.getDimensions();if(0===r[0]||0===r[1]||0===r[2])return Wh("Requesting a point from an empty image."),null;const o=new Float64Array(3);switch(t.dataDescription){case Uh.EMPTY:return null;case Uh.SINGLE_POINT:break;case Uh.X_LINE:o[0]=n;break;case Uh.Y_LINE:o[1]=n;break;case Uh.Z_LINE:o[2]=n;break;case Uh.XY_PLANE:o[0]=n%r[0],o[1]=n/r[0];break;case Uh.YZ_PLANE:o[1]=n%r[1],o[2]=n/r[1];break;case Uh.XZ_PLANE:o[0]=n%r[0],o[2]=n/r[0];break;case Uh.XYZ_GRID:o[0]=n%r[0],o[1]=n/r[0]%r[1],o[2]=n/(r[0]*r[1]);break;default:Wh("Invalid dataDescription")}const i=[0,0,0];return e.indexToWorld(o,i),i},e.getBounds=()=>e.extentToBounds(e.getSpatialExtent()),e.extentToBounds=e=>bf.transformBounds(e,t.indexToWorld),e.getSpatialExtent=()=>bf.inflate([...t.extent],.5),e.computeTransforms=()=>{C(t.indexToWorld,t.origin),t.indexToWorld[0]=t.direction[0],t.indexToWorld[1]=t.direction[1],t.indexToWorld[2]=t.direction[2],t.indexToWorld[4]=t.direction[3],t.indexToWorld[5]=t.direction[4],t.indexToWorld[6]=t.direction[5],t.indexToWorld[8]=t.direction[6],t.indexToWorld[9]=t.direction[7],t.indexToWorld[10]=t.direction[8],x(t.indexToWorld,t.indexToWorld,t.spacing),m(t.worldToIndex,t.indexToWorld)},e.indexToWorld=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return Yt(n,e,t.indexToWorld),n},e.indexToWorldVec3=e.indexToWorld,e.worldToIndex=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return Yt(n,e,t.worldToIndex),n},e.worldToIndexVec3=e.worldToIndex,e.indexToWorldBounds=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return bf.transformBounds(e,t.indexToWorld,n)},e.worldToIndexBounds=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return bf.transformBounds(e,t.worldToIndex,n)},e.onModified(e.computeTransforms),e.computeTransforms(),e.getCenter=()=>bf.getCenter(e.getBounds()),e.computeHistogram=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;const r=[0,0,0,0,0,0];e.worldToIndexBounds(t,r);const o=[0,0,0],i=[0,0,0];bf.computeCornerPoints(r,o,i),er(o,o),er(i,i);const a=e.getDimensions();_r(o,[0,0,0],[a[0]-1,a[1]-1,a[2]-1],o),_r(i,[0,0,0],[a[0]-1,a[1]-1,a[2]-1],i);const s=a[0],l=a[0]*a[1],u=e.getPointData().getScalars().getData();let c=-1/0,d=1/0,p=0,f=0,h=0;for(let e=o[2];e<=i[2];e++)for(let t=o[1];t<=i[1];t++){let a=o[0]+t*s+e*l;for(let s=o[0];s<=i[0];s++){if(!n||n([s,t,e],r)){const e=u[a];e>c&&(c=e),e0?f/h:0,g=h?Math.abs(p/h-m*m):0,v=Math.sqrt(g);return{minimum:d,maximum:c,average:m,variance:g,sigma:v,count:h}},e.computeIncrements=function(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;const n=[];let r=t;for(let t=0;t<3;++t)n[t]=r,r*=e[2*t+1]-e[2*t]+1;return n},e.computeOffsetIndex=t=>{let[n,r,o]=t;const i=e.getExtent(),a=e.getPointData().getScalars().getNumberOfComponents(),s=e.computeIncrements(i,a);return Math.floor((Math.round(n)-i[0])*s[0]+(Math.round(r)-i[2])*s[1]+(Math.round(o)-i[4])*s[2])},e.getOffsetIndexFromWorld=t=>{const n=e.getExtent(),r=e.worldToIndex(t);for(let e=0;e<3;++e)if(r[e]n[2*e+1])return Wh(`GetScalarPointer: Pixel ${r} is not in memory. Current extent = ${n}`),NaN;return e.computeOffsetIndex(r)},e.getScalarValueFromWorld=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const r=e.getPointData().getScalars().getNumberOfComponents();if(n<0||n>=r)return Wh(`GetScalarPointer: Scalar Component ${n} is not within bounds. 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Yh(e,t){t.classHierarchy.push("vtkLookupTable"),e.isOpaque=()=>{if(t.opaqueFlagBuildTime.getMTime()!1,e.getNumberOfAvailableColors=()=>t.table.length/4,e.linearIndexLookup=(e,t)=>{let n=0;const r=Number(e);return rt.range[1]?n=t.maxIndex+1+1.5:(n=(r+t.shift)*t.scale,n=n{let o=0;o=Er(t)?Math.floor(r.maxIndex+1.5+2):e.linearIndexLookup(t,r);const i=4*o;return n.slice(i,i+4)},e.indexedLookupFunction=(n,r,o)=>{let i=e.getAnnotatedValueIndexInternal(n);-1===i&&(i=t.numberOfColors+2);const a=4*i;return[r[a],r[a+1],r[a+2],r[a+3]]},e.lookupShiftAndScale=(e,t)=>{t.shift=-e[0],t.scale=Number.MAX_VALUE,e[1]>e[0]&&(t.scale=(t.maxIndex+1)/(e[1]-e[0]))},e.mapScalarsThroughTable=(n,r,o,i)=>{let a=e.linearLookup;t.indexedLookup&&(a=e.indexedLookupFunction);const s=e.getMappingRange(),l={maxIndex:e.getNumberOfColors()-1,range:s,shift:0,scale:0};e.lookupShiftAndScale(s,l);const u=e.getAlpha(),c=n.getNumberOfTuples(),d=n.getNumberOfComponents(),p=r.getData(),f=n.getData();if(u>=1){if(o===$d.RGBA)for(let e=0;e{let n=0,r=0,o=0,i=0;const a=t.numberOfColors-1;a&&(n=(t.hueRange[1]-t.hueRange[0])/a,r=(t.saturationRange[1]-t.saturationRange[0])/a,o=(t.valueRange[1]-t.valueRange[0])/a,i=(t.alphaRange[1]-t.alphaRange[0])/a),t.table.length=4*a+16;const s=[],l=[];for(let e=0;e<=a;e++)s[0]=t.hueRange[0]+e*n,s[1]=t.saturationRange[0]+e*r,s[2]=t.valueRange[0]+e*o,dr(s,l),l[3]=t.alphaRange[0]+e*i,t.table[4*e]=255*l[0]+.5,t.table[4*e+1]=255*l[1]+.5,t.table[4*e+2]=255*l[2]+.5,t.table[4*e+3]=255*l[3]+.5;e.buildSpecialColors(),t.buildTime.modified()},e.setTable=n=>{if(Array.isArray(n)){const r=n[0].length;t.numberOfColors=n.length;const o=4-r;let i=0;for(let e=0;e{const{numberOfColors:e}=t,n=t.table;let r=4*(e+0);t.useBelowRangeColor||0===e?(n[r]=255*t.belowRangeColor[0]+.5,n[r+1]=255*t.belowRangeColor[1]+.5,n[r+2]=255*t.belowRangeColor[2]+.5,n[r+3]=255*t.belowRangeColor[3]+.5):(n[r]=n[0],n[r+1]=n[1],n[r+2]=n[2],n[r+3]=n[3]),r=4*(e+1),t.useAboveRangeColor||0===e?(n[r]=255*t.aboveRangeColor[0]+.5,n[r+1]=255*t.aboveRangeColor[1]+.5,n[r+2]=255*t.aboveRangeColor[2]+.5,n[r+3]=255*t.aboveRangeColor[3]+.5):(n[r]=n[4*(e-1)+0],n[r+1]=n[4*(e-1)+1],n[r+2]=n[4*(e-1)+2],n[r+3]=n[4*(e-1)+3]),r=4*(e+2),n[r]=255*t.nanColor[0]+.5,n[r+1]=255*t.nanColor[1]+.5,n[r+2]=255*t.nanColor[2]+.5,n[r+3]=255*t.nanColor[3]+.5},e.build=()=>{(t.table.length<1||e.getMTime()>t.buildTime.getMTime()&&t.insertTime.getMTime()<=t.buildTime.getMTime())&&e.forceBuild()},t.table.length>0&&(e.buildSpecialColors(),t.insertTime.modified())}const Jh={numberOfColors:256,hueRange:[0,.66667],saturationRange:[1,1],valueRange:[1,1],alphaRange:[1,1],nanColor:[.5,0,0,1],belowRangeColor:[0,0,0,1],aboveRangeColor:[1,1,1,1],useAboveRangeColor:!1,useBelowRangeColor:!1,alpha:1};function Qh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Jh,n),lp.extend(e,t,n),t.table||(t.table=[]),t.buildTime={},gt.obj(t.buildTime),t.opaqueFlagBuildTime={},gt.obj(t.opaqueFlagBuildTime,{mtime:0}),t.insertTime={},gt.obj(t.insertTime,{mtime:0}),gt.get(e,t,["buildTime"]),gt.setGet(e,t,["numberOfColors","useAboveRangeColor","useBelowRangeColor"]),gt.setArray(e,t,["alphaRange","hueRange","saturationRange","valueRange"],2),gt.setArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"],4),gt.getArray(e,t,["hueRange","saturationRange","valueRange","alphaRange","nanColor","belowRangeColor","aboveRangeColor"]),Yh(e,t)}var Zh={newInstance:gt.newInstance(Qh,"vtkLookupTable"),extend:Qh};let em=1,tm=0;const nm=["VTK_RESOLVE_OFF","VTK_RESOLVE_POLYGON_OFFSET"];function rm(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;tm=e}var om={getResolveCoincidentTopologyAsString:function(){return nm[tm]},getResolveCoincidentTopologyPolygonOffsetFaces:function(){return em},getResolveCoincidentTopology:function(){return tm},setResolveCoincidentTopology:rm,setResolveCoincidentTopologyPolygonOffsetFaces:function(e){em=e},setResolveCoincidentTopologyToDefault:function(){rm(0)},setResolveCoincidentTopologyToOff:function(){rm(0)},setResolveCoincidentTopologyToPolygonOffset:function(){rm(1)}};function im(e,t,n){n.forEach((n=>{e[`get${n.method}`]=()=>t[n.key],e[`set${n.method}`]=(e,r)=>{t[n.key]={factor:e,offset:r}}}))}const am=["Polygon","Line","Point"],sm={};im(sm,{Polygon:{factor:2,offset:0},Line:{factor:1,offset:-1},Point:{factor:0,offset:-2}},am.map((e=>({key:e,method:`ResolveCoincidentTopology${e}OffsetParameters`}))));var lm={implementCoincidentTopologyMethods:function(e,t){void 0===t.resolveCoincidentTopology&&(t.resolveCoincidentTopology=!1),gt.setGet(e,t,["resolveCoincidentTopology"]),t.topologyOffset={Polygon:{factor:0,offset:0},Line:{factor:0,offset:0},Point:{factor:0,offset:0}},Object.keys(om).forEach((t=>{e[t]=om[t]})),Object.keys(sm).forEach((t=>{e[t]=sm[t]})),im(e,t.topologyOffset,am.map((e=>({key:e,method:`RelativeCoincidentTopology${e}OffsetParameters`})))),e.getCoincidentTopologyPolygonOffsetParameters=()=>{const t=sm.getResolveCoincidentTopologyPolygonOffsetParameters(),n=e.getRelativeCoincidentTopologyPolygonOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyLineOffsetParameters=()=>{const t=sm.getResolveCoincidentTopologyLineOffsetParameters(),n=e.getRelativeCoincidentTopologyLineOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyPointOffsetParameter=()=>{const t=sm.getResolveCoincidentTopologyPointOffsetParameters(),n=e.getRelativeCoincidentTopologyPointOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}}},staticOffsetAPI:sm,otherStaticMethods:om,CATEGORIES:am};const um={MIN_KNOWN_PASS:0,ACTOR_PASS:0,COMPOSITE_INDEX_PASS:1,ID_LOW24:2,ID_HIGH24:3,MAX_KNOWN_PASS:3};var cm={PassTypes:um};const{FieldAssociations:dm}=di,{staticOffsetAPI:pm,otherStaticMethods:fm}=lm,{ColorMode:hm,ScalarMode:mm,GetArray:gm}=Jd,{VectorMode:vm}=Yd,{VtkDataTypes:ym}=Wr;function bm(e){return()=>gt.vtkErrorMacro(`vtkMapper::${e} - NOT IMPLEMENTED`)}function xm(e,t){t.classHierarchy.push("vtkMapper"),e.getBounds=()=>{const n=e.getInputData();return n?(t.static||e.update(),t.bounds=n.getBounds()):t.bounds=Dr(),t.bounds},e.setForceCompileOnly=e=>{t.forceCompileOnly=e},e.setSelectionWebGLIdsToVTKIds=e=>{t.selectionWebGLIdsToVTKIds=e},e.createDefaultLookupTable=()=>{t.lookupTable=Zh.newInstance()},e.getColorModeAsString=()=>gt.enumToString(hm,t.colorMode),e.setColorModeToDefault=()=>e.setColorMode(0),e.setColorModeToMapScalars=()=>e.setColorMode(1),e.setColorModeToDirectScalars=()=>e.setColorMode(2),e.getScalarModeAsString=()=>gt.enumToString(mm,t.scalarMode),e.setScalarModeToDefault=()=>e.setScalarMode(0),e.setScalarModeToUsePointData=()=>e.setScalarMode(1),e.setScalarModeToUseCellData=()=>e.setScalarMode(2),e.setScalarModeToUsePointFieldData=()=>e.setScalarMode(3),e.setScalarModeToUseCellFieldData=()=>e.setScalarMode(4),e.setScalarModeToUseFieldData=()=>e.setScalarMode(5),e.getAbstractScalars=(e,n,r,o,i)=>{if(!e||!t.scalarVisibility)return{scalars:null,cellFLag:!1};let a=null,s=!1;if(n===mm.DEFAULT)a=e.getPointData().getScalars(),a||(a=e.getCellData().getScalars(),s=!0);else if(n===mm.USE_POINT_DATA)a=e.getPointData().getScalars();else if(n===mm.USE_CELL_DATA)a=e.getCellData().getScalars(),s=!0;else if(n===mm.USE_POINT_FIELD_DATA){const t=e.getPointData();a=r===gm.BY_ID?t.getArrayByIndex(o):t.getArrayByName(i)}else if(n===mm.USE_CELL_FIELD_DATA){const t=e.getCellData();s=!0,a=r===gm.BY_ID?t.getArrayByIndex(o):t.getArrayByName(i)}else if(n===mm.USE_FIELD_DATA){const t=e.getFieldData();a=r===gm.BY_ID?t.getArrayByIndex(o):t.getArrayByName(i)}return{scalars:a,cellFlag:s}},e.mapScalars=(n,r)=>{const o=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!o)return t.colorCoordinates=null,t.colorTextureMap=null,void(t.colorMapColors=null);const i=`${e.getMTime()}${o.getMTime()}${r}`;if(t.colorBuildString!==i){if(t.useLookupTableScalarRange||e.getLookupTable().setRange(t.scalarRange[0],t.scalarRange[1]),e.canUseTextureMapForColoring(n))e.mapScalarsToTexture(o,r);else{t.colorCoordinates=null,t.colorTextureMap=null;const n=e.getLookupTable();n&&(n.build(),t.colorMapColors=n.mapScalars(o,t.colorMode,t.fieldDataTupleId))}t.colorBuildString=`${e.getMTime()}${o.getMTime()}${r}`}},e.scalarToTextureCoordinate=(e,t,n)=>{let r=.5,o=1;return Er(e)||(o=.49,r=(e-t)*n,r>1e3?r=1e3:r<-1e3&&(r=-1e3)),{texCoordS:r,texCoordT:o}},e.createColorTextureCoordinates=(t,n,r,o,i,a,s,l,u)=>{const c=(a[1]-a[0])/l,d=[];d[0]=a[0]-c,d[1]=a[1]+c;const p=1/(d[1]-d[0]),f=n.getData(),h=t.getData();let m=0,g=0;if(i<0||i>=o)for(let t=0;t{const o=t.lookupTable.getRange(),i=t.lookupTable.usingLogScale();i&&Zh.getLogRange(o,o);const a=t.lookupTable.getAlpha();if(t.colorMapColors=null,null==t.colorTextureMap||e.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getAlpha()!==r){t.lookupTable.setAlpha(r),t.colorTextureMap=null,t.lookupTable.build();let e=t.lookupTable.getNumberOfAvailableColors();e>4094&&(e=4094),e<64&&(e=64),e+=2;const n=(o[1]-o[0])/(e-2),s=new Float64Array(2*e);for(let t=0;tt.colorCoordinates.getMTime()||e.getInputData(0).getMTime()>t.colorCoordinates.getMTime()||t.lookupTable.getMTime()>t.colorCoordinates.getMTime()){t.colorCoordinates=null;const r=n.getNumberOfComponents(),a=n.getNumberOfTuples();t.colorCoordinates=Wr.newInstance({numberOfComponents:2,values:new Float32Array(2*a)});let s=t.lookupTable.getVectorComponent();t.lookupTable.getVectorMode()===vm.MAGNITUDE&&n.getNumberOfComponents()>1&&(s=-1),e.createColorTextureCoordinates(n,t.colorCoordinates,a,r,s,o,t.lookupTable.getRange(),t.colorTextureMap.getPointData().getScalars().getNumberOfTuples()/2-2,i)}},e.getIsOpaque=()=>{const n=e.getInputData(),r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!t.scalarVisibility||null==r)return!0;const o=e.getLookupTable();return!o||(o.build(),o.areScalarsOpaque(r,t.colorMode,-1))},e.canUseTextureMapForColoring=n=>{if(!t.interpolateScalarsBeforeMapping)return!1;if(t.lookupTable&&t.lookupTable.getIndexedLookup())return!1;const r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName),o=r.scalars;return!(!o||r.cellFlag||t.colorMode===hm.DEFAULT&&o.getDataType()===ym.UNSIGNED_CHAR||t.colorMode===hm.DIRECT_SCALARS)},e.clearColorArrays=()=>{t.colorMapColors=null,t.colorCoordinates=null,t.colorTextureMap=null},e.getLookupTable=()=>(t.lookupTable||e.createDefaultLookupTable(),t.lookupTable),e.getMTime=()=>{let e=t.mtime;if(null!==t.lookupTable){const n=t.lookupTable.getMTime();e=n>e?n:e}return e},e.getPrimitiveCount=()=>{const t=e.getInputData();return{points:t.getPoints().getNumberOfValues()/3,verts:t.getVerts().getNumberOfValues()-t.getVerts().getNumberOfCells(),lines:t.getLines().getNumberOfValues()-2*t.getLines().getNumberOfCells(),triangles:t.getPolys().getNumberOfValues()-3*t.getPolys().getNumberOfCells()}},e.acquireInvertibleLookupTable=bm("AcquireInvertibleLookupTable"),e.valueToColor=bm("ValueToColor"),e.colorToValue=bm("ColorToValue"),e.useInvertibleColorFor=bm("UseInvertibleColorFor"),e.clearInvertibleColor=bm("ClearInvertibleColor"),e.processSelectorPixelBuffers=(e,n)=>{if(!e||!t.selectionWebGLIdsToVTKIds||!t.populateSelectionSettings)return;const r=e.getRawPixelBuffer(um.ID_LOW24),o=e.getRawPixelBuffer(um.ID_HIGH24),i=e.getCurrentPass(),a=e.getFieldAssociation();let s=null;a===dm.FIELD_ASSOCIATION_POINTS?s=t.selectionWebGLIdsToVTKIds.points:a===dm.FIELD_ASSOCIATION_CELLS&&(s=t.selectionWebGLIdsToVTKIds.cells),s&&n.forEach((t=>{if(i===um.ID_LOW24){let n=0;o&&(n+=o[t],n*=256),n+=r[t+2],n*=256,n+=r[t+1],n*=256,n+=r[t];const i=s[n],a=e.getPixelBuffer(um.ID_LOW24);a[t]=255&i,a[t+1]=(65280&i)>>8,a[t+2]=(16711680&i)>>16}else if(i===um.ID_HIGH24&&o){let n=0;n+=o[t],n*=256,n+=r[t],n*=256,n+=r[t+1],n*=256,n+=r[t+2];const i=s[n];e.getPixelBuffer(um.ID_HIGH24)[t]=(4278190080&i)>>24}}))}}const _m={colorMapColors:null,static:!1,lookupTable:null,scalarVisibility:!0,scalarRange:[0,1],useLookupTableScalarRange:!1,colorMode:0,scalarMode:0,arrayAccessMode:1,renderTime:0,colorByArrayName:null,fieldDataTupleId:-1,populateSelectionSettings:!0,selectionWebGLIdsToVTKIds:null,interpolateScalarsBeforeMapping:!1,colorCoordinates:null,colorTextureMap:null,forceCompileOnly:0,useInvertibleColors:!1,invertibleScalars:null,customShaderAttributes:[]};function Tm(e,t){t.classHierarchy.push("vtkRenderPass"),e.getOperation=()=>t.currentOperation,e.setCurrentOperation=e=>{t.currentOperation=e,t.currentTraverseOperation=`traverse${gt.capitalize(t.currentOperation)}`},e.getTraverseOperation=()=>t.currentTraverseOperation,e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;t.deleted||(t._currentParent=r,t.preDelegateOperations.forEach((t=>{e.setCurrentOperation(t),n.traverse(e)})),t.delegates.forEach((t=>{t.traverse(n,e)})),t.postDelegateOperations.forEach((t=>{e.setCurrentOperation(t),n.traverse(e)})))}}gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,_m,n),Vh(e,t,n),gt.get(e,t,["colorCoordinates","colorMapColors","colorTextureMap","selectionWebGLIdsToVTKIds"]),gt.setGet(e,t,["colorByArrayName","arrayAccessMode","colorMode","fieldDataTupleId","interpolateScalarsBeforeMapping","lookupTable","populateSelectionSettings","renderTime","scalarMode","scalarVisibility","static","useLookupTableScalarRange","customShaderAttributes"]),gt.setGetArray(e,t,["scalarRange"],2),lm.implementCoincidentTopologyMethods(e,t),xm(e,t)}),"vtkMapper");const Sm={delegates:[],currentOperation:null,preDelegateOperations:[],postDelegateOperations:[],currentParent:null};function wm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Sm,n),gt.obj(e,t),gt.get(e,t,["currentOperation"]),gt.setGet(e,t,["delegates","_currentParent","preDelegateOperations","postDelegateOperations"]),gt.moveToProtected(e,t,["currentParent"]),Tm(e,t)}var Cm={newInstance:gt.newInstance(wm,"vtkRenderPass"),extend:wm};const{Representation:Am}=wu,{vtkErrorMacro:Em}=gt;function Dm(e){const t=Ca.substitute(e.Fragment,"//VTK::RenderPassFragmentShader::Impl","\n float weight = gl_FragData[0].a * pow(max(1.1 - gl_FragCoord.z, 0.0), 2.0);\n gl_FragData[0] = vec4(gl_FragData[0].rgb*weight, gl_FragData[0].a);\n gl_FragData[1].r = weight;\n ",!1);e.Fragment=t.result}function Im(e,t){t.classHierarchy.push("vtkOpenGLOrderIndependentTranslucentPass"),e.createVertexBuffer=()=>{const e=new Float32Array([-1,-1,-1,1,-1,-1,-1,1,-1,1,1,-1]),n=new Float32Array([0,0,1,0,0,1,1,1]),r=new Uint16Array([4,0,1,3,2]),o=Wr.newInstance({numberOfComponents:3,values:e});o.setName("points");const i=Wr.newInstance({numberOfComponents:2,values:n});i.setName("tcoords");const a=Wr.newInstance({numberOfComponents:1,values:r});t.tris.getCABO().createVBO(a,"polys",Am.SURFACE,{points:o,tcoords:i,cellOffset:0}),t.VBOBuildTime.modified()},e.createFramebuffer=e=>{const n=e.getSize(),r=e.getContext();t.framebuffer=Zs.newInstance(),t.framebuffer.setOpenGLRenderWindow(e),t.framebuffer.create(...n),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind(),t.translucentRGBATexture=hs.newInstance(),t.translucentRGBATexture.setInternalFormat(r.RGBA16F),t.translucentRGBATexture.setFormat(r.RGBA),t.translucentRGBATexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRGBATexture.setOpenGLRenderWindow(e),t.translucentRGBATexture.create2DFromRaw(n[0],n[1],4,"Float32Array",null),t.translucentRTexture=hs.newInstance(),t.translucentRTexture.setInternalFormat(r.R16F),t.translucentRTexture.setFormat(r.RED),t.translucentRTexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRTexture.setOpenGLRenderWindow(e),t.translucentRTexture.create2DFromRaw(n[0],n[1],1,"Float32Array",null),t.translucentZTexture=hs.newInstance(),t.translucentZTexture.setOpenGLRenderWindow(e),t.translucentZTexture.createDepthFromRaw(n[0],n[1],"Float32Array",null),t.framebuffer.setColorBuffer(t.translucentRGBATexture,0),t.framebuffer.setColorBuffer(t.translucentRTexture,1),t.framebuffer.setDepthBuffer(t.translucentZTexture)},e.createCopyShader=e=>{t.copyShader=e.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","attribute vec2 tcoordTC;","varying vec2 tcoord;","void main() { tcoord = tcoordTC; gl_Position = vertexDC; }"].join("\n"),"//VTK::System::Dec\n\nin vec2 tcoord;\n\nuniform sampler2D translucentRTexture;\nuniform sampler2D translucentRGBATexture;\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n vec4 t1Color = texture(translucentRGBATexture, tcoord);\n float t2Color = texture(translucentRTexture, tcoord).r;\n gl_FragData[0] = vec4(t1Color.rgb/max(t2Color,0.01), 1.0 - t1Color.a);\n}\n","")},e.createVBO=n=>{const r=n.getContext();t.tris.setOpenGLRenderWindow(n),e.createVertexBuffer();const o=t.copyShader;t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(o,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),r.FLOAT,3,r.FALSE)||Em("Error setting vertexDC in copy shader VAO."),t.copyVAO.addAttributeArray(o,t.tris.getCABO(),"tcoordTC",t.tris.getCABO().getTCoordOffset(),t.tris.getCABO().getStride(),r.FLOAT,2,r.FALSE)||Em("Error setting vertexDC in copy shader VAO.")},e.traverse=(n,r,o)=>{if(t.deleted)return;const i=n.getSize(),a=n.getContext();if(t._supported=!1,r.getSelector()||!a||!n.getWebgl2()||!a.getExtension("EXT_color_buffer_half_float")&&!a.getExtension("EXT_color_buffer_float"))return e.setCurrentOperation("translucentPass"),void r.traverse(e);if(t._supported=!0,null===t.framebuffer)e.createFramebuffer(n);else{const r=t.framebuffer.getSize();null===r||r[0]!==i[0]||r[1]!==i[1]?(t.framebuffer.releaseGraphicsResources(),t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRTexture.releaseGraphicsResources(n),t.translucentZTexture.releaseGraphicsResources(n),e.createFramebuffer(n)):(t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind())}a.drawBuffers([a.COLOR_ATTACHMENT0]),a.clearBufferfv(a.COLOR,0,[0,0,0,0]),a.clearBufferfv(a.DEPTH,0,[1]),a.colorMask(!1,!1,!1,!1),o.getOpaqueActorCount()>0&&(o.setCurrentOperation("opaqueZBufferPass"),r.traverse(o)),a.colorMask(!0,!0,!0,!0),a.drawBuffers([a.COLOR_ATTACHMENT0,a.COLOR_ATTACHMENT1]),a.viewport(0,0,i[0],i[1]),a.scissor(0,0,i[0],i[1]),a.clearBufferfv(a.COLOR,0,[0,0,0,1]),a.clearBufferfv(a.COLOR,1,[0,0,0,0]),a.enable(a.DEPTH_TEST),a.enable(a.BLEND),a.blendFuncSeparate(a.ONE,a.ONE,a.ZERO,a.ONE_MINUS_SRC_ALPHA),e.setCurrentOperation("translucentPass"),r.traverse(e),a.drawBuffers([a.NONE]),t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader?e.createCopyShader(n):n.getShaderCache().readyShaderProgram(t.copyShader),t.copyVAO||(t.copyVAO=Ia.newInstance(),t.copyVAO.setOpenGLRenderWindow(n)),t.copyVAO.bind(),t.VBOBuildTime.getMTime()t._supported?Dm:null,e.releaseGraphicsResources=n=>{t.framebuffer&&(t.framebuffer.releaseGraphicsResources(n),t.framebuffer=null),t.translucentRGBATexture&&(t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRGBATexture=null),t.translucentRTexture&&(t.translucentRTexture.releaseGraphicsResources(n),t.translucentRTexture=null),t.translucentZTexture&&(t.translucentZTexture.releaseGraphicsResources(n),t.translucentZTexture=null),t.copyVAO&&(t.copyVAO.releaseGraphicsResources(n),t.copyVAO=null),t.copyShader&&(t.copyShader.releaseGraphicsResources(n),t.copyShader=null),t.tris&&(t.tris.releaseGraphicsResources(n),t.tris=null),e.modified()}}const Om={framebuffer:null,copyShader:null,tris:null};function Pm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Om,n),Cm.extend(e,t,n),t.VBOBuildTime={},gt.obj(t.VBOBuildTime,{mtime:0}),t.tris=Ra.newInstance(),gt.get(e,t,["framebuffer"]),Im(e,t)}var Nm={newInstance:gt.newInstance(Pm,"vtkOpenGLOrderIndependentTranslucentPass"),extend:Pm};function Mm(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getRenderable().getNumberOfLayers(),i=n.getChildren();for(let r=0;r0||t.translucentActorCount>0)&&t.volumeCount>0||t.depthRequested){const r=n.getFramebufferSize();null===t.framebuffer&&(t.framebuffer=Zs.newInstance()),t.framebuffer.setOpenGLRenderWindow(n),t.framebuffer.saveCurrentBindingsAndBuffers();const o=t.framebuffer.getSize();null!==o&&o[0]===r[0]&&o[1]===r[1]||(t.framebuffer.create(r[0],r[1]),t.framebuffer.populateFramebuffer()),t.framebuffer.bind(),e.setCurrentOperation("zBufferPass"),a.traverse(e),t.framebuffer.restorePreviousBindingsAndBuffers(),t.depthRequested=!1}e.setCurrentOperation("cameraPass"),a.traverse(e),t.opaqueActorCount>0&&(e.setCurrentOperation("opaquePass"),a.traverse(e)),t.translucentActorCount>0&&(t.translucentPass||(t.translucentPass=Nm.newInstance()),t.translucentPass.traverse(n,a,e)),t.volumeCount>0&&(e.setCurrentOperation("volumePass"),a.traverse(e)),t.overlayActorCount>0&&(e.setCurrentOperation("overlayPass"),a.traverse(e))}}},e.getZBufferTexture=()=>t.framebuffer?t.framebuffer.getColorTexture():null,e.requestDepth=()=>{t.depthRequested=!0},e.incrementOpaqueActorCount=()=>t.opaqueActorCount++,e.incrementTranslucentActorCount=()=>t.translucentActorCount++,e.incrementVolumeCount=()=>t.volumeCount++,e.incrementOverlayActorCount=()=>t.overlayActorCount++}const Rm={opaqueActorCount:0,translucentActorCount:0,volumeCount:0,overlayActorCount:0,framebuffer:null,depthRequested:!1};function Fm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Rm,n),Cm.extend(e,t,n),gt.get(e,t,["framebuffer","opaqueActorCount","translucentActorCount","volumeCount"]),Mm(e,t)}var km={newInstance:gt.newInstance(Fm,"vtkForwardPass"),extend:Fm};const{FieldAssociations:Lm}=di;function Bm(e,t){t.classHierarchy.push("vtkHardwareSelector"),e.getSourceDataAsync=async(e,t,n,r,o)=>{},e.selectAsync=async(t,n,r,o,i)=>{const a=await e.getSourceDataAsync(t,n,r,o,i);return a?a.generateSelection(n,r,o,i):[]}}const Vm={fieldAssociation:Lm.FIELD_ASSOCIATION_CELLS,captureZValues:!1};function Um(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Vm,n),gt.obj(e,t),gt.setGet(e,t,["fieldAssociation","captureZValues"]),Bm(e,t)}var Gm={newInstance:gt.newInstance(Um,"vtkHardwareSelector"),extend:Um};function zm(e,t){t.classHierarchy.push("vtkSelectionNode"),e.getBounds=()=>t.points.getBounds()}const jm={contentType:-1,fieldType:-1,properties:null,selectionList:[]};function Wm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,jm,n),gt.obj(e,t),t.properties={},gt.setGet(e,t,["contentType","fieldType","properties","selectionList"]),zm(e,t)}var Hm={newInstance:gt.newInstance(Wm,"vtkSelectionNode"),extend:Wm,SelectionContent:{GLOBALIDS:0,PEDIGREEIDS:1,VALUES:2,INDICES:3,FRUSTUM:4,LOCATIONS:5,THRESHOLDS:6,BLOCKS:7,QUERY:8},SelectionField:{CELL:0,POINT:1,FIELD:2,VERTEX:3,EDGE:4,ROW:5}};const{PassTypes:Xm}=cm,{SelectionContent:Km,SelectionField:qm}=Hm,{FieldAssociations:$m}=di,{vtkErrorMacro:Ym}=gt;function Jm(e){return`${e.propID} ${e.compositeID}`}function Qm(e,t,n,r){return n?n[4*(t*(r[2]-r[0]+1)+e)+3]:0}function Zm(e,t,n,r){if(!n)return 0;const o=4*(t*(r[2]-r[0]+1)+e),i=n[o],a=n[o+1];return 256*(256*n[o+2]+a)+i}function eg(e,t){let n=t;return n<<=24,n|=e,n}function tg(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]e.area[2]||t[1]e.area[3])return null;const n=[t[0]-e.area[0],t[1]-e.area[1]],o=Zm(n[0],n[1],e.pixBuffer[Xm.ACTOR_PASS],e.area);if(o<=0||o-1>=e.props.length)return null;const i={valid:!0};i.propID=o-1,i.prop=e.props[i.propID];let a=Zm(n[0],n[1],e.pixBuffer[Xm.COMPOSITE_INDEX_PASS],e.area);if((a<0||a>16777215)&&(a=0),i.compositeID=a-1,e.captureZValues){const r=4*(n[1]*(e.area[2]-e.area[0]+1)+n[0]);i.zValue=(256*e.zBuffer[r]+e.zBuffer[r+1])/65535,i.displayPosition=t}if(e.pixBuffer[Xm.ID_LOW24]&&0===Qm(n[0],n[1],e.pixBuffer[Xm.ID_LOW24],e.area))return i;const s=Zm(n[0],n[1],e.pixBuffer[Xm.ID_LOW24],e.area),l=Zm(n[0],n[1],e.pixBuffer[Xm.ID_HIGH24],e.area);return i.attributeID=eg(s,l),i}const i=[t[0],t[1]],a=[0,0];let s=tg(e,t,0,r);if(s&&s.valid)return s;for(let t=1;tt?i[1]-t:0;n<=i[1]+t;++n){if(a[1]=n,i[0]>=t&&(a[0]=i[0]-t,s=tg(e,a,0,r),s&&s.valid))return s;if(a[0]=i[0]+t,s=tg(e,a,0,r),s&&s.valid)return s}for(let n=i[0]>=t?i[0]-(t-1):0;n<=i[0]+(t-1);++n){if(a[0]=n,i[1]>=t&&(a[1]=i[1]-t,s=tg(e,a,0,r),s&&s.valid))return s;if(a[1]=i[1]+t,s=tg(e,a,0,r),s&&s.valid)return s}}return r[0]=t[0],r[1]=t[1],null}function ng(e,t,n,r,o){const i=[];let a=0;return t.forEach(((t,s)=>{const l=Hm.newInstance();switch(l.setContentType(Km.INDICES),e){case $m.FIELD_ASSOCIATION_CELLS:l.setFieldType(qm.CELL);break;case $m.FIELD_ASSOCIATION_POINTS:l.setFieldType(qm.POINT);break;default:Ym("Unknown field association")}l.getProperties().propID=t.info.propID,l.getProperties().prop=t.info.prop,l.getProperties().compositeID=t.info.compositeID,l.getProperties().attributeID=t.info.attributeID,l.getProperties().pixelCount=t.pixelCount,n&&(l.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],l.getProperties().worldPosition=o.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,r)),l.setSelectionList(t.attributeIDs),i[a]=l,a++})),i}function rg(e,t,n,r,o){const i=Math.floor(t),a=Math.floor(n),s=Math.floor(r),l=Math.floor(o),u=new Map,c=[0,0];for(let t=a;t<=l;t++)for(let n=i;n<=s;n++){const r=tg(e,[n,t],0,c);if(r&&r.valid){const t=Jm(r);if(u.has(t)){const n=u.get(t);n.pixelCount++,e.captureZValues&&r.zValue{t.rawPixBuffer=[],t.pixBuffer=[],t.zBuffer=null},e.beginSelection=()=>{t._openGLRenderer=t._openGLRenderWindow.getViewNodeFor(t._renderer),t.maxAttributeId=0;const n=t._openGLRenderWindow.getSize();if(t.framebuffer){t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers();const e=t.framebuffer.getSize();e[0]!==n[0]||e[1]!==n[1]?(t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer()):t.framebuffer.bind()}else t.framebuffer=Zs.newInstance(),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer();if(t._openGLRenderer.clear(),t._openGLRenderer.setSelector(e),t.hitProps={},t.propPixels={},t.props=[],e.releasePixBuffers(),t.fieldAssociation===$m.FIELD_ASSOCIATION_POINTS){const e=t._openGLRenderWindow.getContext(),n=e.isEnabled(e.BLEND);e.disable(e.BLEND),t._openGLRenderWindow.traverseAllPasses(),n&&e.enable(e.BLEND)}},e.endSelection=()=>{t.hitProps={},t._openGLRenderer.setSelector(null),t.framebuffer.restorePreviousBindingsAndBuffers()},e.preCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending=e.isEnabled(e.BLEND),e.disable(e.BLEND)},e.postCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending&&e.enable(e.BLEND)},e.select=()=>{let n=null;return e.captureBuffers()&&(n=e.generateSelection(t.area[0],t.area[1],t.area[2],t.area[3]),e.releasePixBuffers()),n},e.getSourceDataAsync=async(n,r,o,i,a)=>{if(t._renderer=n,void 0===r){const n=t._openGLRenderWindow.getSize();e.setArea(0,0,n[0]-1,n[1]-1)}else e.setArea(r,o,i,a);if(!e.captureBuffers())return!1;const s={area:[...t.area],pixBuffer:[...t.pixBuffer],captureZValues:t.captureZValues,zBuffer:t.zBuffer,props:[...t.props],fieldAssociation:t.fieldAssociation,renderer:n,openGLRenderWindow:t._openGLRenderWindow,generateSelection:function(){for(var e=arguments.length,t=new Array(e),n=0;n{if(!t._renderer||!t._openGLRenderWindow)return Ym("Renderer and view must be set before calling Select."),!1;t._openGLRenderer=t._openGLRenderWindow.getViewNodeFor(t._renderer),t._openGLRenderWindow.getRenderable().preRender(),e.invokeEvent({type:"StartEvent"}),t.originalBackground=t._renderer.getBackgroundByReference(),t._renderer.setBackground(0,0,0,0);const n=t._openGLRenderWindow.getRenderPasses();for(e.beginSelection(),t.currentPass=Xm.MIN_KNOWN_PASS;t.currentPass<=Xm.MAX_KNOWN_PASS;t.currentPass++)e.passRequired(t.currentPass)&&(e.preCapturePass(t.currentPass),t.captureZValues&&t.currentPass===Xm.ACTOR_PASS&&"function"==typeof n[0].requestDepth&&"function"==typeof n[0].getFramebuffer?(n[0].requestDepth(),t._openGLRenderWindow.traverseAllPasses()):t._openGLRenderWindow.traverseAllPasses(),e.postCapturePass(t.currentPass),e.savePixelBuffer(t.currentPass),e.processPixelBuffers());return e.endSelection(),t._renderer.setBackground(t.originalBackground),e.invokeEvent({type:"EndEvent"}),!0},e.processPixelBuffers=()=>{t.props.forEach(((n,r)=>{e.isPropHit(r)&&n.processSelectorPixelBuffers(e,t.propPixels[r])}))},e.passRequired=e=>{if(e===Xm.ID_HIGH24){if(t.fieldAssociation===$m.FIELD_ASSOCIATION_POINTS)return t.maximumPointId>16777215;if(t.fieldAssociation===$m.FIELD_ASSOCIATION_CELLS)return t.maximumCellId>16777215}return!0},e.savePixelBuffer=n=>{if(t.pixBuffer[n]=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),!t.rawPixBuffer[n]){const e=(t.area[2]-t.area[0]+1)*(t.area[3]-t.area[1]+1)*4;t.rawPixBuffer[n]=new Uint8Array(e),t.rawPixBuffer[n].set(t.pixBuffer[n])}if(n===Xm.ACTOR_PASS){if(t.captureZValues){const e=t._openGLRenderWindow.getRenderPasses();if("function"==typeof e[0].requestDepth&&"function"==typeof e[0].getFramebuffer){const n=e[0].getFramebuffer();n.saveCurrentBindingsAndBuffers(),n.bind(),t.zBuffer=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),n.restorePreviousBindingsAndBuffers()}}e.buildPropHitList(t.rawPixBuffer[n])}},e.buildPropHitList=e=>{let n=0;for(let r=0;r<=t.area[3]-t.area[1];r++)for(let o=0;o<=t.area[2]-t.area[0];o++){let i=Zm(o,r,e,t.area);i>0&&(i--,i in t.hitProps||(t.hitProps[i]=!0,t.propPixels[i]=[]),t.propPixels[i].push(4*n)),++n}},e.renderProp=n=>{t.currentPass===Xm.ACTOR_PASS&&(e.setPropColorValueFromInt(t.props.length+1),t.props.push(n))},e.renderCompositeIndex=n=>{t.currentPass===Xm.COMPOSITE_INDEX_PASS&&e.setPropColorValueFromInt(n+1)},e.renderAttributeId=e=>{e<0||(t.maxAttributeId=e>t.maxAttributeId?e:t.maxAttributeId)},e.passTypeToString=e=>gt.enumToString(Xm,e),e.isPropHit=e=>Boolean(t.hitProps[e]),e.setPropColorValueFromInt=e=>{t.propColorValue[0]=e%256/255,t.propColorValue[1]=Math.floor(e/256)%256/255,t.propColorValue[2]=Math.floor(e/65536)%256/255},e.getPixelInformation=(n,r,o)=>{const i=r<0?0:r;if(0===i){if(o[0]=n[0],o[1]=n[1],n[0]t.area[2]||n[1]t.area[3])return null;const e=[n[0]-t.area[0],n[1]-t.area[1]],r=Zm(e[0],e[1],t.pixBuffer[Xm.ACTOR_PASS],t.area);if(r<=0||r-1>=t.props.length)return null;const i={valid:!0};i.propID=r-1,i.prop=t.props[i.propID];let a=Zm(e[0],e[1],t.pixBuffer[Xm.COMPOSITE_INDEX_PASS],t.area);if((a<0||a>16777215)&&(a=0),i.compositeID=a-1,t.captureZValues){const r=4*(e[1]*(t.area[2]-t.area[0]+1)+e[0]);i.zValue=(256*t.zBuffer[r]+t.zBuffer[r+1])/65535,i.displayPosition=n}if(t.pixBuffer[Xm.ID_LOW24]&&0===Qm(e[0],e[1],t.pixBuffer[Xm.ID_LOW24],t.area))return i;const s=Zm(e[0],e[1],t.pixBuffer[Xm.ID_LOW24],t.area),l=Zm(e[0],e[1],t.pixBuffer[Xm.ID_HIGH24],t.area);return i.attributeID=eg(s,l),i}const a=[n[0],n[1]],s=[0,0];let l=e.getPixelInformation(n,0,o);if(l&&l.valid)return l;for(let t=1;tt?a[1]-t:0;n<=a[1]+t;++n){if(s[1]=n,a[0]>=t&&(s[0]=a[0]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[0]=a[0]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}for(let n=a[0]>=t?a[0]-(t-1):0;n<=a[0]+(t-1);++n){if(s[0]=n,a[1]>=t&&(s[1]=a[1]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[1]=a[1]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}}return o[0]=n[0],o[1]=n[1],null},e.generateSelection=(n,r,o,i)=>{const a=Math.floor(n),s=Math.floor(r),l=Math.floor(o),u=Math.floor(i),c=new Map,d=[0,0];for(let n=s;n<=u;n++)for(let r=a;r<=l;r++){const o=[r,n],i=e.getPixelInformation(o,0,d);if(i&&i.valid){const e=Jm(i);if(c.has(e)){const n=c.get(e);n.pixelCount++,t.captureZValues&&i.zValuet.rawPixBuffer[e],e.getPixelBuffer=e=>t.pixBuffer[e],e.attach=(e,n)=>{t._openGLRenderWindow=e,t._renderer=n};const n=e.setArea;e.setArea=function(){return!!n(...arguments)&&(t.area[0]=Math.floor(t.area[0]),t.area[1]=Math.floor(t.area[1]),t.area[2]=Math.floor(t.area[2]),t.area[3]=Math.floor(t.area[3]),!0)}}const ig={area:void 0,currentPass:-1,propColorValue:null,props:null,maximumPointId:0,maximumCellId:0,idOffset:1};function ag(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ig,n),Gm.extend(e,t,n),t.propColorValue=[0,0,0],t.props=[],t.area||(t.area=[0,0,0,0]),gt.setGetArray(e,t,["area"],4),gt.setGet(e,t,["_renderer","currentPass","_openGLRenderWindow","maximumPointId","maximumCellId"]),gt.setGetArray(e,t,["propColorValue"],3),gt.moveToProtected(e,t,["renderer","openGLRenderWindow"]),gt.event(e,t,"event"),og(e,t)}var sg={newInstance:gt.newInstance(ag,"vtkOpenGLHardwareSelector"),extend:ag,...cm},lg=n(594),ug=n.n(lg);const cg=["lastShaderProgramBound","context","_openGLRenderWindow"];function dg(e,t){t.classHierarchy.push("vtkShaderCache"),e.replaceShaderValues=(e,n,r)=>{let o=n;r.length>0&&(o=Ca.substitute(o,"VSOut","GSOut").result);const i=t._openGLRenderWindow.getWebgl2();let a="\n",s="#version 100\n";i?s="#version 300 es\n#define attribute in\n#define textureCube texture\n#define texture2D texture\n#define textureCubeLod textureLod\n#define texture2DLod textureLod\n":(t.context.getExtension("OES_standard_derivatives"),t.context.getExtension("EXT_frag_depth")&&(a="#extension GL_EXT_frag_depth : enable\n"),t.context.getExtension("EXT_shader_texture_lod")&&(a+="#extension GL_EXT_shader_texture_lod : enable\n#define textureCubeLod textureCubeLodEXT\n#define texture2DLod texture2DLodEXT")),o=Ca.substitute(o,"//VTK::System::Dec",[`${s}\n`,i?"":"#extension GL_OES_standard_derivatives : enable\n",a,"#ifdef GL_FRAGMENT_PRECISION_HIGH","precision highp float;","precision highp int;","#else","precision mediump float;","precision mediump int;","#endif"]).result;let l=Ca.substitute(e,"//VTK::System::Dec",[`${s}\n`,"#ifdef GL_FRAGMENT_PRECISION_HIGH","precision highp float;","precision highp int;","#else","precision mediump float;","precision mediump int;","#endif"]).result;if(i){l=Ca.substitute(l,"varying","out").result,o=Ca.substitute(o,"varying","in").result;let e="",t=0;for(;o.includes(`gl_FragData[${t}]`);)o=Ca.substitute(o,`gl_FragData\\[${t}\\]`,`fragOutput${t}`).result,e+=`layout(location = ${t}) out vec4 fragOutput${t};\n`,t++;o=Ca.substitute(o,"//VTK::Output::Dec",e).result}return{VSSource:l,FSSource:o,GSSource:Ca.substitute(r,"//VTK::System::Dec",s).result}},e.readyShaderProgramArray=(t,n,r)=>{const o=e.replaceShaderValues(t,n,r),i=e.getShaderProgram(o.VSSource,o.FSSource,o.GSSource);return e.readyShaderProgram(i)},e.readyShaderProgram=t=>t&&(t.getCompiled()||t.compileShader())&&e.bindShaderProgram(t)?t:null,e.getShaderProgram=(e,n,r)=>{const o=`${e}${n}${r}`,i=ug().hash(o);if(!(i in t.shaderPrograms)){const o=Ca.newInstance();return o.setContext(t.context),o.getVertexShader().setSource(e),o.getFragmentShader().setSource(n),r&&o.getGeometryShader().setSource(r),o.setMd5Hash(i),t.shaderPrograms[i]=o,o}return t.shaderPrograms[i]},e.releaseGraphicsResources=n=>{e.releaseCurrentShaderProgram(),Object.keys(t.shaderPrograms).map((e=>t.shaderPrograms[e])).forEach((e=>e.cleanup())),t.shaderPrograms={}},e.releaseCurrentShaderProgram=()=>{t.lastShaderProgramBound&&(t.lastShaderProgramBound.cleanup(),t.lastShaderProgramBound=null)},e.bindShaderProgram=e=>(t.lastShaderProgramBound===e||(t.lastShaderProgramBound&&t.lastShaderProgramBound.release(),e.bind(),t.lastShaderProgramBound=e),1)}const pg={lastShaderProgramBound:null,shaderPrograms:null,context:null};function fg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,pg,n),t.shaderPrograms={},gt.obj(e,t),gt.setGet(e,t,cg),gt.moveToProtected(e,t,["openGLRenderWindow"]),dg(e,t)}var hg={newInstance:gt.newInstance(fg,"vtkShaderCache"),extend:fg};const{vtkErrorMacro:mg}=gt;function gg(e,t){t.classHierarchy.push("vtkOpenGLTextureUnitManager"),e.deleteTable=()=>{for(let e=0;e{if(t.context!==n){if(0!==t.context&&e.deleteTable(),t.context=n,t.context){t.numberOfTextureUnits=n.getParameter(n.MAX_TEXTURE_IMAGE_UNITS);for(let e=0;e{for(let n=0;ne.isAllocated(n)?-1:(t.textureUnits[n]=!0,n),e.isAllocated=e=>t.textureUnits[e],e.free=e=>{t.textureUnits[e]=!1},e.freeAll=()=>{for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,vg,n),gt.obj(e,t),t.textureUnits=[],gt.get(e,t,["numberOfTextureUnits"]),gt.setGet(e,t,["context"]),gg(e,t)}var bg={newInstance:gt.newInstance(yg,"vtkOpenGLTextureUnitManager"),extend:yg};function xg(e,t){t.classHierarchy.push("vtkRenderWindowViewNode"),e.getViewNodeFactory=()=>null,e.getAspectRatio=()=>t.size[0]/t.size[1],e.getAspectRatioForRenderer=e=>{const n=e.getViewportByReference();return t.size[0]*(n[2]-n[0])/((n[3]-n[1])*t.size[1])},e.isInViewport=(t,n,r)=>{const o=r.getViewportByReference(),i=e.getFramebufferSize();return o[0]*i[0]<=t&&o[2]*i[0]>=t&&o[1]*i[1]<=n&&o[3]*i[1]>=n},e.getViewportSize=t=>{const 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i=o.getViewportByReference();i=e.normalizedDisplayToDisplay(i[0],i[1],0);const a=e.normalizedDisplayToDisplay(t,n,r);return[a[0]-i[0]-.5,a[1]-i[1]-.5,r]},e.viewportToNormalizedViewport=(t,n,r,o)=>{const i=e.getViewportSize(o);return i&&0!==i[0]&&0!==i[1]?[t/(i[0]-1),n/(i[1]-1),r]:[t,n,r]},e.normalizedViewportToViewport=(t,n,r,o)=>{const i=e.getViewportSize(o);return[t*(i[0]-1),n*(i[1]-1),r]},e.displayToLocalDisplay=(t,n,r)=>[t,e.getFramebufferSize()[1]-n-1,r],e.viewportToNormalizedDisplay=(t,n,r,o)=>{let i=o.getViewportByReference();i=e.normalizedDisplayToDisplay(i[0],i[1],0);const a=t+i[0]+.5,s=n+i[1]+.5;return e.displayToNormalizedDisplay(a,s,r)},e.getComputedDevicePixelRatio=()=>t.size[0]/e.getContainerSize()[0],e.getContainerSize=()=>{gt.vtkErrorMacro("not implemented")},e.getPixelData=(e,t,n,r)=>{gt.vtkErrorMacro("not implemented")},e.createSelector=()=>{gt.vtkErrorMacro("not implemented")}}const _g={size:void 0,selector:void 0};function Tg(e,t){let n=arguments.length>2&&void 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t=e.getContainer().getElementsByTagName("canvas");for(let e=0;e{t.cullFaceEnabled&&(t.context.disable(t.context.CULL_FACE),t.cullFaceEnabled=!1)},e.enableCullFace=()=>{t.cullFaceEnabled||(t.context.enable(t.context.CULL_FACE),t.cullFaceEnabled=!0)},e.setViewStream=n=>t.viewStream!==n&&(t.subscription&&(t.subscription.unsubscribe(),t.subscription=null),t.viewStream=n,t.viewStream&&(t.renderable.getRenderers()[0].getBackgroundByReference()[3]=0,e.setUseBackgroundImage(!0),t.subscription=t.viewStream.onImageReady((t=>e.setBackgroundImage(t.image))),t.viewStream.setSize(t.size[0],t.size[1]),t.viewStream.invalidateCache(),t.viewStream.render(),e.modified()),!0),e.createSelector=()=>{const t=sg.newInstance();return t.setOpenGLRenderWindow(e),t},e.delete=gt.chain((function(){t.canvas.removeEventListener("webglcontextlost",Ng),t.canvas.removeEventListener("webglcontextrestored",e.restoreContext)}),e.delete,e.setViewStream,Pg),e.setActiveFramebuffer=e=>{t.activeFramebuffer=e};const i=e.setSize;e.setSize=(t,n)=>{const r=i(t,n);return r&&e.invokeWindowResizeEvent({width:t,height:n}),r},e.getGraphicsResourceForObject=e=>e?{vtkObj:t._graphicsResources.get(e),hash:t._graphicsResourceHash.get(e)}:null,e.setGraphicsResourceForObject=(e,n,r)=>{e&&(t._graphicsResources.set(e,n),t._graphicsResourceHash.set(e,r))},e.getGraphicsMemoryInfo=()=>{let e=0;return t._graphicsResources.forEach(((t,n)=>{e+=t.getAllocatedGPUMemoryInBytes()})),e},e.releaseGraphicsResourcesForObject=n=>!!n&&(t._graphicsResources.get(n)?.releaseGraphicsResources(e),t._graphicsResources.delete(n)&&t._graphicsResourceHash.delete(n)),e.releaseGraphicsResources=()=>{null!==t.shaderCache&&t.shaderCache.releaseGraphicsResources(e),t._graphicsResources.forEach(((t,n)=>{t.releaseGraphicsResources(e)})),t._graphicsResources.clear(),t._graphicsResourceHash.clear(),null!==t.textureUnitManager&&t.textureUnitManager.freeAll(),t.renderable.getRenderersByReference().forEach((t=>{e.getViewNodeFor(t)?.releaseGraphicsResources()}))}}const Rg={cullFaceEnabled:!1,shaderCache:null,initialized:!1,context:null,canvas:null,cursorVisibility:!0,cursor:"pointer",textureUnitManager:null,textureResourceIds:null,containerSize:null,renderPasses:[],notifyStartCaptureImage:!1,webgl2:!1,defaultToWebgl2:!0,activeFramebuffer:null,imageFormat:"image/png",useOffScreen:!1,useBackgroundImage:!1};const Fg=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Rg,n),Sg.extend(e,t,n),t.canvas=document.createElement("canvas"),t.canvas.style.width="100%",Og(),t.selector||(t.selector=sg.newInstance(),t.selector.setOpenGLRenderWindow(e)),t.bgImage=new Image,t.bgImage.style.position="absolute",t.bgImage.style.left="0",t.bgImage.style.top="0",t.bgImage.style.width="100%",t.bgImage.style.height="100%",t.bgImage.style.zIndex="-1",t._textureResourceIds=new Map,t._graphicsResources=new Map,t._graphicsResourceHash=new Map,t._glInformation=null,t.myFactory=Nt.newInstance(),t.myFactory.registerOverride("vtkRenderWindow",Fg),t.shaderCache=hg.newInstance(),t.shaderCache.setOpenGLRenderWindow(e),t.renderPasses[0]=km.newInstance(),gt.event(e,t,"imageReady"),gt.get(e,t,["shaderCache","textureUnitManager","webgl2","useBackgroundImage","activeFramebuffer"]),gt.setGet(e,t,["initialized","context","canvas","renderPasses","notifyStartCaptureImage","defaultToWebgl2","cursor","useOffScreen"]),gt.setGetArray(e,t,["size"],2),gt.event(e,t,"windowResizeEvent"),Mg(e,t)}),"vtkOpenGLRenderWindow");If("WebGL",Fg);const kg=["setBindGroup","setIndexBuffer","setVertexBuffer","draw","drawIndexed"];function Lg(e,t){t.classHierarchy.push("vtkWebGPURenderEncoder"),e.begin=e=>{t.drawCallbacks=[],t.handle=e.beginRenderPass(t.description),t.label&&t.handle.pushDebugGroup(t.label)},e.end=()=>{for(let n=0;n{if(t.boundPipeline===e)return;t.handle.setPipeline(e.getHandle());const n=e.getPipelineDescription();if(t.colorTextureViews.length!==n.fragment.targets.length)console.log(`mismatched attachment counts on pipeline ${n.fragment.targets.length} while encoder has ${t.colorTextureViews.length}`),console.trace();else for(let e=0;e{t.replaceShaderCodeFunction(e)},e.setColorTextureView=(e,n)=>{t.colorTextureViews[e]!==n&&(t.colorTextureViews[e]=n)},e.activateBindGroup=e=>{const n=t.boundPipeline.getDevice(),r=t.boundPipeline.getBindGroupLayoutCount(e.getLabel());t.handle.setBindGroup(r,e.getBindGroup(n));const o=n.getBindGroupLayoutDescription(e.getBindGroupLayout(n)),i=n.getBindGroupLayoutDescription(t.boundPipeline.getBindGroupLayout(r));o!==i&&(console.log(`renderEncoder ${t.pipelineHash} mismatched bind group layouts bind group has\n${o}\n versus pipeline\n${i}\n`),console.trace())},e.attachTextureViews=()=>{for(let e=0;e{for(let r=0;r2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Bg,n),je(e,t),t.description={colorAttachments:[{view:void 0,loadOp:"load",storeOp:"store"}],depthStencilAttachment:{view:void 0,depthLoadOp:"clear",depthClearValue:0,depthStoreOp:"store"}},t.replaceShaderCodeFunction=e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = computedColor;"]).result,t.setCode(n)},t.pipelineSettings={primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater-equal",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}},t.colorTextureViews=[],He(e,t,["boundPipeline","colorTextureViews"]),$e(e,t,["depthTextureView","description","handle","label","pipelineHash","pipelineSettings","replaceShaderCodeFunction"]),Lg(e,t)}var Ug={newInstance:rt(Vg,"vtkWebGPURenderEncoder"),extend:Vg};function Gg(e,t){t.classHierarchy.push("vtkWebGPUTextureView"),e.create=(e,n)=>{t.texture=e,t.options=n,t.options.dimension=t.options.dimension||"2d",t.options.label=t.label,t.textureHandle=e.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupLayoutEntry.texture.viewDimension=t.options.dimension;const r=Hl(t.texture.getFormat());t.bindGroupLayoutEntry.texture.sampleType=r.sampleType},e.createFromTextureHandle=(e,n)=>{t.texture=null,t.options=n,t.options.dimension=t.options.dimension||"2d",t.options.label=t.label,t.textureHandle=e,t.handle=t.textureHandle.createView(t.options),t.bindGroupLayoutEntry.texture.viewDimension=t.options.dimension;const r=Hl(n.format);t.bindGroupLayoutEntry.texture.sampleType=r.sampleType,t.bindGroupTime.modified()},e.getBindGroupEntry=()=>({resource:e.getHandle()}),e.getShaderCode=(e,n)=>{let r="f32";"sint"===t.bindGroupLayoutEntry.texture.sampleType?r="i32":"uint"===t.bindGroupLayoutEntry.texture.sampleType&&(r="u32");let o=`@binding(${e}) @group(${n}) var ${t.label}: texture_${t.options.dimension}<${r}>;`;return"depth"===t.bindGroupLayoutEntry.texture.sampleType&&(o=`@binding(${e}) @group(${n}) var ${t.label}: texture_depth_${t.options.dimension};`),o},e.addSampler=(n,r)=>{const o=vc.newInstance({label:`${t.label}Sampler`});o.create(n,r),e.setSampler(o)},e.getBindGroupTime=()=>(t.texture&&t.texture.getHandle()!==t.textureHandle&&(t.textureHandle=t.texture.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupTime.modified()),t.bindGroupTime),e.getHandle=()=>(t.texture&&t.texture.getHandle()!==t.textureHandle&&(t.textureHandle=t.texture.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupTime.modified()),t.handle)}const zg={texture:null,handle:null,sampler:null,label:null};function jg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,zg,n),gt.obj(e,t),t.bindGroupLayoutEntry={visibility:GPUShaderStage.VERTEX|GPUShaderStage.FRAGMENT,texture:{sampleType:"float",viewDimension:"2d"}},t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),gt.get(e,t,["bindGroupTime","texture"]),gt.setGet(e,t,["bindGroupLayoutEntry","label","sampler"]),Gg(e,t)}var Wg={newInstance:gt.newInstance(jg),extend:jg};function Hg(e,t){t.classHierarchy.push("vtkTexture"),e.imageLoaded=()=>{t.image.removeEventListener("load",e.imageLoaded),t.imageLoaded=!0,e.modified()},e.setJsImageData=n=>{t.jsImageData!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.image=null,t.canvas=null),t.jsImageData=n,t.imageLoaded=!0,e.modified())},e.setCanvas=n=>{t.canvas!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.image=null,t.jsImageData=null),t.canvas=n,e.modified())},e.setImage=n=>{t.image!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.canvas=null,t.jsImageData=null),t.image=n,t.imageLoaded=!1,n.complete?e.imageLoaded():n.addEventListener("load",e.imageLoaded),e.modified())},e.getDimensionality=()=>{let n=0,r=0,o=1;if(e.getInputData()){const t=e.getInputData();n=t.getDimensions()[0],r=t.getDimensions()[1],o=t.getDimensions()[2]}return t.jsImageData&&(n=t.jsImageData.width,r=t.jsImageData.height),t.canvas&&(n=t.canvas.width,r=t.canvas.height),t.image&&(n=t.image.width,r=t.image.height),(n>1)+(r>1)+(o>1)},e.getInputAsJsImageData=()=>{if(!t.imageLoaded||e.getInputData())return null;if(t.jsImageData)return t.jsImageData();if(t.canvas)return t.canvas.getContext("2d").getImageData(0,0,t.canvas.width,t.canvas.height);if(t.image){const e=document.createElement("canvas");e.width=t.image.width,e.height=t.image.height;const n=e.getContext("2d");return n.translate(0,e.height),n.scale(1,-1),n.drawImage(t.image,0,0,t.image.width,t.image.height),n.getImageData(0,0,e.width,e.height)}return null}}const Xg={image:null,canvas:null,jsImageData:null,imageLoaded:!1,repeat:!1,interpolate:!1,edgeClamp:!1,mipLevel:0,resizable:!1};function Kg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Xg,n),gt.obj(e,t),gt.algo(e,t,6,0),gt.get(e,t,["canvas","image","jsImageData","imageLoaded","resizable"]),gt.setGet(e,t,["repeat","edgeClamp","interpolate","mipLevel"]),Hg(e,t)}const qg={generateMipmaps:(e,t,n,r)=>{const o=[1,2,1],i=e.length/(t*n);let a=t,s=n,l=e;const u=[l];for(let e=0;ei&&(c+=t),d<-i&&(c-=t),r[c]?u+=r[c]*o[l]:s-=o[l],a+=1}l[e+n]=u/s}r=[...l];for(let e=0;e{t.device=e,t.width=n.width,t.height=n.height,t.depth=n.depth?n.depth:1;const r=1===t.depth?"2d":"3d";t.format=n.format?n.format:"rgba8unorm",t.mipLevel=n.mipLevel?n.mipLevel:0,t.usage=n.usage?n.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST,t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label,dimension:r,mipLevelCount:t.mipLevel+1})},e.assignFromHandle=(e,n,r)=>{t.device=e,t.handle=n,t.width=r.width,t.height=r.height,t.depth=r.depth?r.depth:1,t.format=r.format?r.format:"rgba8unorm",t.usage=r.usage?r.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST},e.writeImageData=n=>{let r=[];if(n.canvas)return t.device.getHandle().queue.copyExternalImageToTexture({source:n.canvas,flipY:n.flip},{texture:t.handle,premultipliedAlpha:!0},[t.width,t.height,t.depth]),void(t.ready=!0);n.jsImageData&&!n.nativeArray&&(n.width=n.jsImageData.width,n.height=n.jsImageData.height,n.depth=1,n.format="rgba8unorm",n.flip=!0,n.nativeArray=n.jsImageData.data);const o=Hl(t.format);let i=t.width*o.stride;const a=(e,t,n)=>{const r=e.length/(t*n)*e.BYTES_PER_ELEMENT,i=2===o.elementSize&&"float"===o.sampleType;if(i||r%256){const a=e,s=r/a.BYTES_PER_ELEMENT,l=o.elementSize,u=256*Math.floor((s*l+255)/256),c=u/l,d=gt.newTypedArray(i?"Uint16Array":a.constructor.name,c*t*n);for(let e=0;e{const e=Hl(t.format);return 2===e.elementSize&&"float"===e.sampleType?1:255},e.getNumberOfComponents=()=>Hl(t.format).numComponents,e.getDimensionality=()=>{let e=0;return t.width>1&&e++,t.height>1&&e++,t.depth>1&&e++,e},e.resizeToMatch=e=>{e.getWidth()===t.width&&e.getHeight()===t.height&&e.getDepth()===t.depth||(t.width=e.getWidth(),t.height=e.getHeight(),t.depth=e.getDepth(),t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label}))},e.resize=function(e,n){let r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:1;e===t.width&&n===t.height&&r===t.depth||(t.width=e,t.height=n,t.depth=r,t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label}))},e.createView=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};r.dimension||(r.dimension=1===t.depth?"2d":"3d");const o=Wg.newInstance({label:n});return o.create(e,r),o}}const Qg={device:null,handle:null,buffer:null,ready:!1,label:null};function Zg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Qg,n),gt.obj(e,t),gt.get(e,t,["handle","ready","width","height","depth","format","usage"]),gt.setGet(e,t,["device","label"]),Jg(e,t)}var ev={newInstance:gt.newInstance(Zg),extend:Zg};function tv(e,t){t.classHierarchy.push("vtkWebGPUOpaquePass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.renderEncoder)t.colorTexture.resize(r.getCanvas().width,r.getCanvas().height),t.depthTexture.resize(r.getCanvas().width,r.getCanvas().height);else{e.createRenderEncoder(),t.colorTexture=ev.newInstance({label:"opaquePassColor"}),t.colorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const n=t.colorTexture.createView("opaquePassColorTexture");t.renderEncoder.setColorTextureView(0,n),t.depthFormat="depth32float",t.depthTexture=ev.newInstance({label:"opaquePassDepth"}),t.depthTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:t.depthFormat,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const i=t.depthTexture.createView("opaquePassDepthTexture");t.renderEncoder.setDepthTextureView(i)}t.renderEncoder.attachTextureViews(),e.setCurrentOperation("opaquePass"),n.setRenderEncoder(t.renderEncoder),n.traverse(e)},e.getColorTextureView=()=>t.renderEncoder.getColorTextureViews()[0],e.getDepthTextureView=()=>t.renderEncoder.getDepthTextureView(),e.createRenderEncoder=()=>{t.renderEncoder=Ug.newInstance({label:"OpaquePass"}),t.renderEncoder.setPipelineHash("op")}}const nv={renderEncoder:null,colorTexture:null,depthTexture:null};function rv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,nv,n),Cm.extend(e,t,n),gt.get(e,t,["colorTexture","depthTexture"]),tv(e,t)}var ov={newInstance:gt.newInstance(rv,"vtkWebGPUOpaquePass"),extend:rv};function iv(e,t){t.classHierarchy.push("vtkWebGPUOrderIndependentTranslucentPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.translucentRenderEncoder)t.translucentColorTexture.resizeToMatch(t.colorTextureView.getTexture()),t.translucentAccumulateTexture.resizeToMatch(t.colorTextureView.getTexture());else{e.createRenderEncoder(),e.createFinalEncoder(),t.translucentColorTexture=ev.newInstance({label:"translucentPassColor"}),t.translucentColorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const n=t.translucentColorTexture.createView("oitpColorTexture");t.translucentRenderEncoder.setColorTextureView(0,n),t.translucentAccumulateTexture=ev.newInstance({label:"translucentPassAccumulate"}),t.translucentAccumulateTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const i=t.translucentAccumulateTexture.createView("oitpAccumTexture");t.translucentRenderEncoder.setColorTextureView(1,i),t.fullScreenQuad=du.newInstance(),t.fullScreenQuad.setDevice(r.getDevice()),t.fullScreenQuad.setPipelineHash("oitpfsq"),t.fullScreenQuad.setTextureViews(t.translucentRenderEncoder.getColorTextureViews()),t.fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var tcoord: vec2 = vec2(i32(input.fragPos.x), i32(input.fragPos.y));\n var reveal: f32 = textureLoad(oitpAccumTexture, tcoord, 0).r;\n if (reveal == 1.0) { discard; }\n var tcolor: vec4 = textureLoad(oitpColorTexture, tcoord, 0);\n var total: f32 = max(tcolor.a, 0.01);\n var computedColor: vec4 = vec4(tcolor.r/total, tcolor.g/total, tcolor.b/total, 1.0 - reveal);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n")}t.translucentRenderEncoder.setDepthTextureView(t.depthTextureView),t.translucentRenderEncoder.attachTextureViews(),e.setCurrentOperation("translucentPass"),n.setRenderEncoder(t.translucentRenderEncoder),n.traverse(e),e.finalPass(r,n)},e.finalPass=(e,n)=>{t.translucentFinalEncoder.setColorTextureView(0,t.colorTextureView),t.translucentFinalEncoder.attachTextureViews(),t.translucentFinalEncoder.begin(e.getCommandEncoder()),n.scissorAndViewport(t.translucentFinalEncoder),t.fullScreenQuad.prepareAndDraw(t.translucentFinalEncoder),t.translucentFinalEncoder.end()},e.getTextures=()=>[t.translucentColorTexture,t.translucentAccumulateTexture],e.createRenderEncoder=()=>{t.translucentRenderEncoder=Ug.newInstance({label:"translucentRender"});const e=t.translucentRenderEncoder.getDescription();e.colorAttachments=[{view:void 0,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:void 0,clearValue:[1,0,0,0],loadOp:"clear",storeOp:"store"}],e.depthStencilAttachment={view:void 0,depthLoadOp:"load",depthStoreOp:"store"},t.translucentRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor"),t.addOutput("f32","outAccum"),t.addBuiltinInput("vec4","@builtin(position) fragPos");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["var w: f32 = computedColor.a * pow(0.1 + input.fragPos.z, 2.0);","output.outColor = vec4(computedColor.rgb*w, w);","output.outAccum = computedColor.a;"]).result,t.setCode(n)})),t.translucentRenderEncoder.setPipelineHash("oitpr"),t.translucentRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!1,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one"},alpha:{srcfactor:"one",dstFactor:"one"}}},{format:"r16float",blend:{color:{srcFactor:"zero",dstFactor:"one-minus-src"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createFinalEncoder=()=>{t.translucentFinalEncoder=Ug.newInstance({label:"translucentFinal"}),t.translucentFinalEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t.translucentFinalEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor"),t.addBuiltinInput("vec4","@builtin(position) fragPos");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t.translucentFinalEncoder.setPipelineHash("oitpf"),t.translucentFinalEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})}}const av={colorTextureView:null,depthTextureView:null};function sv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,av,n),Cm.extend(e,t,n),gt.setGet(e,t,["colorTextureView","depthTextureView"]),iv(e,t)}var lv={newInstance:gt.newInstance(sv,"vtkWebGPUOrderIndependentTranslucentPass"),extend:sv};const uv="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Volume::TraverseDec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\nfn getTextureValue(vTex: texture_3d, tpos: vec4) -> f32\n{\n // todo multicomponent support\n return textureSampleLevel(vTex, clampSampler, tpos.xyz, 0.0).r;\n}\n\nfn getGradient(vTex: texture_3d, tpos: vec4, vNum: i32, scalar: f32) -> vec4\n{\n var result: vec4;\n\n var tstep: vec4 = volumeSSBO.values[vNum].tstep;\n result.x = getTextureValue(vTex, tpos + vec4(tstep.x, 0.0, 0.0, 1.0)) - scalar;\n result.y = getTextureValue(vTex, tpos + vec4(0.0, tstep.y, 0.0, 1.0)) - scalar;\n result.z = getTextureValue(vTex, tpos + vec4(0.0, 0.0, tstep.z, 1.0)) - scalar;\n result.w = 0.0;\n\n // divide by spacing as that is our delta\n result = result / volumeSSBO.values[vNum].spacing;\n // now we have a gradient in unit tcoords\n\n var grad: f32 = length(result.xyz);\n if (grad > 0.0)\n {\n // rotate to View Coords, needed for lighting and shading\n var nMat: mat4x4 = rendererUBO.SCVCMatrix * volumeSSBO.values[vNum].planeNormals;\n result = nMat * result;\n result = result / length(result);\n }\n\n // store gradient magnitude in .w\n result.w = grad;\n\n return result;\n}\n\nfn processVolume(vTex: texture_3d, vNum: i32, cNum: i32, posSC: vec4, tfunRows: f32) -> vec4\n{\n var outColor: vec4 = vec4(0.0, 0.0, 0.0, 0.0);\n\n // convert to tcoords and reject if outside the volume\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*posSC;\n if (tpos.x < 0.0 || tpos.y < 0.0 || tpos.z < 0.0 ||\n tpos.x > 1.0 || tpos.y > 1.0 || tpos.z > 1.0) { return outColor; }\n\n var scalar: f32 = getTextureValue(vTex, tpos);\n\n var coord: vec2 =\n vec2(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n (0.5 + 2.0 * f32(vNum)) / tfunRows);\n var color: vec4 = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n\n var gofactor: f32 = 1.0;\n var normal: vec4 = vec4(0.0,0.0,0.0,0.0);\n if (componentSSBO.values[cNum].gomin < 1.0 || volumeSSBO.values[vNum].shade[0] > 0.0)\n {\n normal = getGradient(vTex, tpos, vNum, scalar);\n if (componentSSBO.values[cNum].gomin < 1.0)\n {\n gofactor = clamp(normal.a*componentSSBO.values[cNum].goScale + componentSSBO.values[cNum].goShift,\n componentSSBO.values[cNum].gomin, componentSSBO.values[cNum].gomax);\n }\n }\n\n coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n\n if (volumeSSBO.values[vNum].shade[0] > 0.0)\n {\n color = color*abs(normal.z);\n }\n\n outColor = vec4(color.rgb, gofactor * opacity);\n\n return outColor;\n}\n\n// adjust the start and end point of a raycast such that it intersects the unit cube.\n// This function is used to take a raycast starting point and step vector\n// and numSteps and return the startijng and ending steps for intersecting the\n// unit cube. Recall for a 3D texture, the unit cube is the range of texture coordsinates\n// that have valid values. So this funtion can be used to take a ray in texture coordinates\n// and bound it to intersecting the texture.\n//\nfn adjustBounds(tpos: vec4, tstep: vec4, numSteps: f32) -> vec2\n{\n var result: vec2 = vec2(0.0, numSteps);\n var tpos2: vec4 = tpos + tstep*numSteps;\n\n // move tpos to the start of the volume\n var adjust: f32 =\n min(\n max(tpos.x/tstep.x, (tpos.x - 1.0)/tstep.x),\n min(\n max((tpos.y - 1.0)/tstep.y, tpos.y/tstep.y),\n max((tpos.z - 1.0)/tstep.z, tpos.z/tstep.z)));\n if (adjust < 0.0)\n {\n result.x = result.x - adjust;\n }\n\n // adjust length to the end\n adjust =\n max(\n min(tpos2.x/tstep.x, (tpos2.x - 1.0)/tstep.x),\n max(\n min((tpos2.y - 1.0)/tstep.y, tpos2.y/tstep.y),\n min((tpos2.z - 1.0)/tstep.z, tpos2.z/tstep.z)));\n if (adjust > 0.0)\n {\n result.y = result.y - adjust;\n }\n\n return result;\n}\n\nfn getSimpleColor(scalar: f32, vNum: i32, cNum: i32) -> vec4\n{\n // how many rows (tfuns) do we have in our tfunTexture\n var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n var coord: vec2 =\n vec2(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n (0.5 + 2.0 * f32(vNum)) / tfunRows);\n var color: vec4 = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n return vec4(color.rgb, opacity);\n}\n\nfn traverseMax(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var maxVal: f32 = -1.0e37;\n loop\n {\n var scalar: f32 = getTextureValue(vTex, tpos);\n if (scalar > maxVal)\n {\n maxVal = scalar;\n }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(maxVal, vNum, cNum);\n}\n\nfn traverseMin(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var minVal: f32 = 1.0e37;\n loop\n {\n var scalar: f32 = getTextureValue(vTex, tpos);\n if (scalar < minVal)\n {\n minVal = scalar;\n }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(minVal, vNum, cNum);\n}\n\nfn traverseAverage(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n let ipRange: vec4 = volumeSSBO.values[vNum].ipScalarRange;\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var avgVal: f32 = 0.0;\n var sampleCount: f32 = 0.0;\n loop\n {\n var sample: f32 = getTextureValue(vTex, tpos);\n // right now leave filtering off until WebGL changes get merged\n // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n // {\n avgVal = avgVal + sample;\n sampleCount = sampleCount + 1.0;\n // }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n if (sampleCount <= 0.0)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(avgVal/sampleCount, vNum, cNum);\n}\n\nfn traverseAdditive(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n let ipRange: vec4 = volumeSSBO.values[vNum].ipScalarRange;\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var sumVal: f32 = 0.0;\n loop\n {\n var sample: f32 = getTextureValue(vTex, tpos);\n // right now leave filtering off until WebGL changes get merged\n // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n // {\n sumVal = sumVal + sample;\n // }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(sumVal, vNum, cNum);\n}\n\nfn composite(rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4) -> vec4\n{\n // initial ray position is at the beginning\n var rayPosSC: vec4 = minPosSC;\n\n // how many rows (tfuns) do we have in our tfunTexture\n var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n var curDist: f32 = 0.0;\n var computedColor: vec4 = vec4(0.0, 0.0, 0.0, 0.0);\n var sampleColor: vec4;\n//VTK::Volume::TraverseCalls\n\n loop\n {\n // for each volume, sample and accumulate color\n//VTK::Volume::CompositeCalls\n\n // increment position\n curDist = curDist + mapperUBO.SampleDistance;\n rayPosSC = rayPosSC + rayStepSC;\n\n // check if we have reached a terminating condition\n if (curDist > rayLengthSC) { break; }\n if (computedColor.a > 0.98) { break; }\n }\n return computedColor;\n}\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var rayMax: f32 = textureSampleLevel(maxTexture, clampSampler, input.tcoordVS, 0.0).r;\n var rayMin: f32 = textureSampleLevel(minTexture, clampSampler, input.tcoordVS, 0.0).r;\n\n // discard empty rays\n if (rayMax <= rayMin) { discard; }\n else\n {\n // compute start and end ray positions in view coordinates\n var minPosSC: vec4 = rendererUBO.PCSCMatrix*vec4(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMax, 1.0);\n minPosSC = minPosSC * (1.0 / minPosSC.w);\n var maxPosSC: vec4 = rendererUBO.PCSCMatrix*vec4(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMin, 1.0);\n maxPosSC = maxPosSC * (1.0 / maxPosSC.w);\n\n var rayLengthSC: f32 = distance(minPosSC.xyz, maxPosSC.xyz);\n var rayStepSC: vec4 = (maxPosSC - minPosSC)*(mapperUBO.SampleDistance/rayLengthSC);\n rayStepSC.w = 0.0;\n\n var computedColor: vec4;\n\n//VTK::Volume::Loop\n\n//VTK::RenderEncoder::Impl\n }\n\n return output;\n}\n",cv=new Float64Array(16),dv=new Float64Array(16);function pv(e,t){t.classHierarchy.push("vtkWebGPUVolumePassFSQ"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position");let o=r.getCode();o=Fl.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4(vertexBC, 1.0);"]).result,r.setCode(o),t.getShaderDescription("fragment").addBuiltinInput("vec4","@builtin(position) fragPos")},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderVolume=(e,n,r)=>{const o=n.getShaderDescription("fragment");let i=o.getCode();const a=[],s=[];for(let e=0;e(\n sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n (1.0 - computedColor.a)*sampleColor.a + computedColor.a);")):(s.push(` sampleColor = traverseVals[${e}];`),s.push(" computedColor = vec4(\n sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n (1.0 - computedColor.a)*sampleColor.a + computedColor.a);"));i=Fl.substitute(i,"//VTK::Volume::CompositeCalls",a).result,i=Fl.substitute(i,"//VTK::Volume::TraverseCalls",s).result,i=Fl.substitute(i,"//VTK::Volume::TraverseDec",[`var traverseVals: array,${t.volumes.length}>;`]).result;let l=!1;for(let e=0;e{let r=e.getMTime();for(let e=0;e{let r=Math.max(e.getMTime(),t.WebGPURenderer.getStabilizedTime());for(let e=0;e"),t.SSBO.addEntry("planeNormals","mat4x4"),t.SSBO.addEntry("shade","vec4"),t.SSBO.addEntry("tstep","vec4"),t.SSBO.addEntry("spacing","vec4"),t.SSBO.addEntry("ipScalarRange","vec4"),t.SSBO.setAllInstancesFromArray("SCTCMatrix",i),t.SSBO.setAllInstancesFromArray("planeNormals",a),t.SSBO.setAllInstancesFromArray("shade",l),t.SSBO.setAllInstancesFromArray("tstep",s),t.SSBO.setAllInstancesFromArray("spacing",u),t.SSBO.setAllInstancesFromArray("ipScalarRange",c),t.SSBO.send(n),t.componentSSBO.clearData(),t.componentSSBO.setNumberOfInstances(t.numRows);const d=new Float64Array(t.numRows),p=new Float64Array(t.numRows),g=new Float64Array(t.numRows),v=new Float64Array(t.numRows),_=new Float64Array(t.numRows),T=new Float64Array(t.numRows),S=new Float64Array(t.numRows),w=new Float64Array(t.numRows);let C=0;for(let e=0;e{n();let r=t.volumes[0].getRenderable().getMapper().getSampleDistance();for(let e=0;e{t.pipelineHash="volfsq";for(let e=0;e{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r{const e=r();return e.push(t.componentSSBO),e.push(t.clampSampler),e}}const fv={volumes:null,rowLength:1024,lastVolumeLength:0};function hv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,fv,n),du.extend(e,t,n),t.fragmentShaderTemplate=uv,t.UBO=ac.newInstance({label:"mapperUBO"}),t.UBO.addEntry("SampleDistance","f32"),t.SSBO=ec.newInstance({label:"volumeSSBO"}),t.componentSSBO=ec.newInstance({label:"componentSSBO"}),t.lutBuildTime={},gt.obj(t.lutBuildTime,{mtime:0}),pv(e,t)}var mv={newInstance:gt.newInstance(hv,"vtkWebGPUVolumePassFSQ"),extend:hv};const{Representation:gv}=wu,{BufferUsage:vv,PrimitiveTypes:yv}=qu,bv=[[0,4,6],[0,6,2],[1,3,7],[1,7,5],[0,5,4],[0,1,5],[2,6,7],[2,7,3],[0,3,1],[0,2,3],[4,5,7],[4,7,6]],xv="\n//VTK::Renderer::Dec\n\n//VTK::Select::Dec\n\n//VTK::VolumePass::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output : fragmentOutput;\n\n //VTK::Select::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::VolumePass::Impl\n\n // use the maximum (closest) of the current value and the zbuffer\n // the blend func will then take the min to find the farthest stop value\n var stopval: f32 = max(input.fragPos.z, textureLoad(opaquePassDepthTexture, vec2(i32(input.fragPos.x), i32(input.fragPos.y)), 0));\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n";function _v(e,t){t.classHierarchy.push("vtkWebGPUVolumePass"),e.initialize=n=>{t._clearEncoder||e.createClearEncoder(n),t._mergeEncoder||e.createMergeEncoder(n),t._copyEncoder||e.createCopyEncoder(n),t._depthRangeEncoder||e.createDepthRangeEncoder(n),t.fullScreenQuad||(t.fullScreenQuad=mv.newInstance(),t.fullScreenQuad.setDevice(n.getDevice()),t.fullScreenQuad.setTextureViews([...t._depthRangeEncoder.getColorTextureViews()])),t._volumeCopyQuad||(t._volumeCopyQuad=du.newInstance(),t._volumeCopyQuad.setPipelineHash("volpassfsq"),t._volumeCopyQuad.setDevice(n.getDevice()),t._volumeCopyQuad.setFragmentShaderTemplate("\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = textureSample(volumePassColorTexture,\n volumePassColorTextureSampler, mapperUBO.tscale*input.tcoordVS);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n"),t._copyUBO=ac.newInstance({label:"mapperUBO"}),t._copyUBO.addEntry("tscale","vec2"),t._volumeCopyQuad.setUBO(t._copyUBO),t._volumeCopyQuad.setTextureViews([t._colorTextureView]))},e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r,e.initialize(r),e.computeTiming(r),e.renderDepthBounds(n,r),t._firstGroup=!0;const o=r.getDevice(),i=o.getHandle().limits.maxSampledTexturesPerShaderStage-4;if(t.volumes.length>i){const o=n.getRenderable().getActiveCamera().getPosition(),a=[];for(let e=0;ea[t]-a[e]));let l=[],u=s.length%i;for(let o=0;o=u&&(e.rayCastPass(r,n,l),l=[],u=i,t._firstGroup=!1)}else e.rayCastPass(r,n,t.volumes);if(t._volumeCopyQuad.setWebGPURenderer(n),t._useSmallViewport){const e=t._colorTextureView.getTexture().getWidth(),n=t._colorTextureView.getTexture().getHeight();t._copyUBO.setArray("tscale",[t._smallViewportWidth/e,t._smallViewportHeight/n])}else t._copyUBO.setArray("tscale",[1,1]);t._copyUBO.sendIfNeeded(o),t._copyEncoder.setColorTextureView(0,t.colorTextureView),t._copyEncoder.attachTextureViews(),t._copyEncoder.begin(r.getCommandEncoder()),n.scissorAndViewport(t._copyEncoder),t._volumeCopyQuad.prepareAndDraw(t._copyEncoder),t._copyEncoder.end()},e.delete=gt.chain((()=>{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.computeTiming=e=>{const n=e.getRenderable().getInteractor();if(null==t._lastScale){const e=t.volumes[0].getRenderable().getMapper();t._lastScale=e.getInitialInteractionScale()||1}t._useSmallViewport=!1,n.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._colorTexture.resize(e.getCanvas().width,e.getCanvas().height),t._animationRateSubscription||(t._animationRateSubscription=n.onAnimationFrameRateUpdate((()=>{const e=t.volumes[0].getRenderable().getMapper();if(e.getAutoAdjustSampleDistances()){const e=n.getRecentAnimationFrameRate(),r=t._lastScale*n.getDesiredUpdateRate()/e;t._lastScale=r,t._lastScale>400&&(t._lastScale=400)}else t._lastScale=e.getImageSampleDistance()*e.getImageSampleDistance();t._lastScale<1.5&&(t._lastScale=1.5)})))},e.rayCastPass=(e,n,r)=>{const o=t._firstGroup?t._clearEncoder:t._mergeEncoder;o.attachTextureViews(),o.begin(e.getCommandEncoder());let i=t._colorTextureView.getTexture().getWidth(),a=t._colorTextureView.getTexture().getHeight();if(t._useSmallViewport){const n=e.getCanvas(),r=1/Math.sqrt(t._lastScale);t._smallViewportWidth=Math.ceil(r*n.width),t._smallViewportHeight=Math.ceil(r*n.height),i=t._smallViewportWidth,a=t._smallViewportHeight}o.getHandle().setViewport(0,0,i,a,0,1),o.getHandle().setScissorRect(0,0,i,a),t.fullScreenQuad.setWebGPURenderer(n),t.fullScreenQuad.setVolumes(r),t.fullScreenQuad.prepareAndDraw(o),o.end()},e.renderDepthBounds=(n,r)=>{e.updateDepthPolyData(n);const o=t._boundsPoly,i=o.getPoints(),a=o.getPolys();let s={hash:`vp${a.getMTime()}`,usage:vv.Index,cells:a,numberOfPoints:i.getNumberOfPoints(),primitiveType:yv.Triangles,representation:gv.SURFACE};const l=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().setIndexBuffer(l),s={usage:vv.PointArray,format:"float32x4",hash:`vp${i.getMTime()}${a.getMTime()}`,dataArray:i,indexBuffer:l,packExtra:!0};const u=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().addBuffer(u,["vertexBC"]),t._mapper.setNumberOfVertices(u.getSizeInBytes()/u.getStrideInBytes()),e.drawDepthRange(n,r)},e.updateDepthPolyData=e=>{let n=!1;for(let e=0;e{t._depthRangeTexture.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeTexture2.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeEncoder.attachTextureViews(),e.setCurrentOperation("volumeDepthRangePass"),n.setRenderEncoder(t._depthRangeEncoder),n.volumeDepthRangePass(!0),t._mapper.setWebGPURenderer(n),t._mapper.prepareToDraw(t._depthRangeEncoder),t._mapper.registerDrawCallback(t._depthRangeEncoder),n.volumeDepthRangePass(!1)},e.createDepthRangeEncoder=e=>{const n=e.getDevice();t._depthRangeEncoder=Ug.newInstance({label:"VolumePass DepthRange"}),t._depthRangeEncoder.setPipelineHash("volr"),t._depthRangeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor1"),t.addOutput("vec4","outColor2");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor1 = vec4(input.fragPos.z, 0.0, 0.0, 0.0);","output.outColor2 = vec4(stopval, 0.0, 0.0, 0.0);"]).result,t.setCode(n)})),t._depthRangeEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:null,clearValue:[1,1,1,1],loadOp:"clear",storeOp:"store"}]}),t._depthRangeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"max"},alpha:{srcfactor:"one",dstFactor:"one",operation:"max"}}},{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"min"},alpha:{srcfactor:"one",dstFactor:"one",operation:"min"}}}]}}),t._depthRangeTexture=ev.newInstance({label:"volumePassMaxDepth"}),t._depthRangeTexture.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const r=t._depthRangeTexture.createView("maxTexture");t._depthRangeEncoder.setColorTextureView(0,r),t._depthRangeTexture2=ev.newInstance({label:"volumePassDepthMin"}),t._depthRangeTexture2.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const o=t._depthRangeTexture2.createView("minTexture");t._depthRangeEncoder.setColorTextureView(1,o),t._mapper.setDevice(e.getDevice()),t._mapper.setTextureViews([t.depthTextureView])},e.createClearEncoder=e=>{t._colorTexture=ev.newInstance({label:"volumePassColor"}),t._colorTexture.create(e.getDevice(),{width:e.getCanvas().width,height:e.getCanvas().height,format:"bgra8unorm",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC}),t._colorTextureView=t._colorTexture.createView("volumePassColorTexture"),t._colorTextureView.addSampler(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._clearEncoder=Ug.newInstance({label:"VolumePass Clear"}),t._clearEncoder.setColorTextureView(0,t._colorTextureView),t._clearEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"}]}),t._clearEncoder.setPipelineHash("volpf"),t._clearEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createCopyEncoder=e=>{t._copyEncoder=Ug.newInstance({label:"volumePassCopy"}),t._copyEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._copyEncoder.setPipelineHash("volcopypf"),t._copyEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createMergeEncoder=e=>{t._mergeEncoder=Ug.newInstance({label:"volumePassMerge"}),t._mergeEncoder.setColorTextureView(0,t._colorTextureView),t._mergeEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._mergeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t._mergeEncoder.setPipelineHash("volpf"),t._mergeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.setVolumes=n=>{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Tv,n),Cm.extend(e,t,n),t._mapper=su.newInstance(),t._mapper.setFragmentShaderTemplate(xv),t._mapper.getShaderReplacements().set("replaceShaderVolumePass",((e,t,n)=>{t.getShaderDescription("fragment").addBuiltinInput("vec4","@builtin(position) fragPos")})),t._boundsPoly=ji.newInstance(),t._lastMTimes=[],gt.setGet(e,t,["colorTextureView","depthTextureView"]),_v(e,t)}var wv={newInstance:gt.newInstance(Sv,"vtkWebGPUVolumePass"),extend:Sv};function Cv(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e),t.opaquePass||(t.opaquePass=ov.newInstance());const o=n.getRenderable().getNumberOfLayers(),i=n.getChildren();for(let r=0;r0&&(t.translucentPass||(t.translucentPass=lv.newInstance()),t.translucentPass.setColorTextureView(t.opaquePass.getColorTextureView()),t.translucentPass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.translucentPass.traverse(a,n)),t.volumes.length>0&&(t.volumePass||(t.volumePass=wv.newInstance()),t.volumePass.setColorTextureView(t.opaquePass.getColorTextureView()),t.volumePass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.volumePass.setVolumes(t.volumes),t.volumePass.traverse(a,n)),e.finalPass(n,a))}},e.finalPass=(n,r)=>{t._finalBlitEncoder||e.createFinalBlitEncoder(n),t._finalBlitOutputTextureView.createFromTextureHandle(n.getCurrentTexture(),{depth:1,format:n.getPresentationFormat()}),t._finalBlitEncoder.attachTextureViews(),t._finalBlitEncoder.begin(n.getCommandEncoder()),r.scissorAndViewport(t._finalBlitEncoder),t._fullScreenQuad.prepareAndDraw(t._finalBlitEncoder),t._finalBlitEncoder.end()},e.createFinalBlitEncoder=e=>{t._finalBlitEncoder=Ug.newInstance({label:"forwardPassBlit"}),t._finalBlitEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._finalBlitEncoder.setPipelineHash("fpf"),t._finalBlitEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:e.getPresentationFormat(),blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}}),t._fsqSampler=vc.newInstance({label:"finalPassSampler"}),t._fsqSampler.create(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._fullScreenQuad=du.newInstance(),t._fullScreenQuad.setDevice(e.getDevice()),t._fullScreenQuad.setPipelineHash("fpfsq"),t._fullScreenQuad.setTextureViews([t.opaquePass.getColorTextureView()]),t._fullScreenQuad.setAdditionalBindables([t._fsqSampler]),t._fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = clamp(textureSampleLevel(opaquePassColorTexture, finalPassSampler, input.tcoordVS, 0),vec4(0.0),vec4(1.0));\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n"),t._finalBlitOutputTextureView=Wg.newInstance(),t._finalBlitEncoder.setColorTextureView(0,t._finalBlitOutputTextureView)},e.incrementOpaqueActorCount=()=>t.opaqueActorCount++,e.incrementTranslucentActorCount=()=>t.translucentActorCount++,e.addVolume=e=>{t.volumes.push(e)}}const Av={opaqueActorCount:0,translucentActorCount:0,volumes:null,opaqueRenderEncoder:null,translucentPass:null,volumePass:null};function Ev(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Av,n),Cm.extend(e,t,n),gt.setGet(e,t,["opaquePass","translucentPass","volumePass"]),Cv(e,t)}var Dv={newInstance:gt.newInstance(Ev,"vtkForwardPass"),extend:Ev};const{VtkDataTypes:Iv}=Wr;function Ov(e,t){function n(e){if(e.imageData){e.dataArray=e.imageData.getPointData().getScalars(),e.time=e.dataArray.getMTime(),e.nativeArray=e.dataArray.getData();const t=e.imageData.getDimensions();switch(e.width=t[0],e.height=t[1],e.depth=t[2],e.dataArray.getNumberOfComponents()){case 1:e.format="r";break;case 2:e.format="rg";break;default:e.format="rgba"}switch(e.dataArray.getDataType()){case Iv.UNSIGNED_CHAR:e.format+="8unorm";break;case Iv.FLOAT:case Iv.UNSIGNED_INT:case Iv.INT:case Iv.DOUBLE:case Iv.UNSIGNED_SHORT:case Iv.SHORT:default:e.format+="16float"}}e.image&&(e.width=e.image.width,e.height=e.image.height,e.depth=1,e.format="rgba8unorm"),e.jsImageData&&(e.width=e.jsImageData.width,e.height=e.jsImageData.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.nativeArray=e.jsImageData.data),e.canvas&&(e.width=e.canvas.width,e.height=e.canvas.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.usage=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.RENDER_ATTACHMENT)}function r(e){const n=ev.newInstance();return n.create(t.device,{width:e.width,height:e.height,depth:e.depth,format:e.format,usage:e.usage,mipLevel:e.mipLevel}),(e.nativeArray||e.image||e.canvas)&&n.writeImageData(e),n}t.classHierarchy.push("vtkWebGPUTextureManager"),e.getTexture=e=>e.hash?t.device.getCachedObject(e.hash,r,e):r(e),e.getTextureForImageData=e=>{const r={time:e.getMTime()};return r.imageData=e,n(r),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)},e.getTextureForVTKTexture=e=>{const r={time:e.getMTime()};return e.getInputData()?r.imageData=e.getInputData():e.getImage()?r.image=e.getImage():e.getJsImageData()?r.jsImageData=e.getJsImageData():e.getCanvas()&&(r.canvas=e.getCanvas()),n(r),r.mipLevel=e.getMipLevel(),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)}}const Pv={handle:null,device:null};function Nv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Pv,n),gt.obj(e,t),gt.setGet(e,t,["device"]),Ov(e,t)}var Mv={newInstance:gt.newInstance(Nv),extend:Nv};class Rv extends Map{constructor(){super(),this.registry=new FinalizationRegistry((e=>{const t=super.get(e);t&&t.deref&&void 0===t.deref()&&super.delete(e)}))}getValue(e){const t=super.get(e);if(t){const n=t.deref();if(void 0!==n)return n;super.delete(e)}}setValue(e,t){let n;return t&&"object"==typeof t&&(n=new WeakRef(t),this.registry.register(t,e),super.set(e,n)),n}}function Fv(e,t){t.classHierarchy.push("vtkWebGPUDevice"),e.initialize=e=>{t.handle=e},e.createCommandEncoder=()=>t.handle.createCommandEncoder(),e.submitCommandEncoder=e=>{t.handle.queue.submit([e.finish()])},e.getShaderModule=e=>t.shaderCache.getShaderModule(e),e.getBindGroupLayout=e=>{if(!e.entries)return null;for(let t=0;t{for(let n=0;ne in t.pipelines?t.pipelines[e]:null,e.createPipeline=(n,r)=>{r.initialize(e,n),t.pipelines[n]=r},e.onSubmittedWorkDone=()=>t.handle.queue.onSubmittedWorkDone(),e.hasCachedObject=e=>t.objectCache.getValue(e),e.getCachedObject=function(e,n){if(!e)return vtkErrorMacro("attempt to cache an object without a hash"),null;const r=t.objectCache.getValue(e);if(r)return r;for(var o=arguments.length,i=new Array(o>2?o-2:0),a=2;a2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,kv,n),je(e,t),$e(e,t,["handle"]),He(e,t,["bufferManager","shaderCache","textureManager"]),t.objectCache=new Rv,t.shaderCache=Fl.newInstance(),t.shaderCache.setDevice(e),t.bindGroupLayouts=[],t.bufferManager=qu.newInstance(),t.bufferManager.setDevice(e),t.textureManager=Mv.newInstance(),t.textureManager.setDevice(e),t.pipelines={},Fv(e,t)}var Bv={newInstance:rt(Lv,"vtkWebGPUDevice"),extend:Lv};function Vv(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelectionPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=null,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getDevice();if(t.selectionRenderEncoder)t.colorTexture.resize(n.getCanvas().width,n.getCanvas().height),t.depthTexture.resizeToMatch(t.colorTexture);else{e.createRenderEncoder(),t.colorTexture=ev.newInstance({label:"hardwareSelectorColor"}),t.colorTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"rgba32uint",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const r=t.colorTexture.createView("hardwareSelectColorTexture");t.selectionRenderEncoder.setColorTextureView(0,r),t.depthTexture=ev.newInstance({label:"hardwareSelectorDepth"}),t.depthTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"depth32float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const i=t.depthTexture.createView("hardwareSelectDepthTexture");t.selectionRenderEncoder.setDepthTextureView(i)}t.selectionRenderEncoder.attachTextureViews(),r.setRenderEncoder(t.selectionRenderEncoder),e.setCurrentOperation("cameraPass"),r.traverse(e),e.setCurrentOperation("opaquePass"),r.traverse(e)},e.createRenderEncoder=()=>{t.selectionRenderEncoder=Ug.newInstance({label:"HardwareSelectionPass"}),t.selectionRenderEncoder.setPipelineHash("sel"),t.selectionRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(mapperUBO.PropID, compositeID, 0u, 0u);"]).result,t.setCode(n)})),t.selectionRenderEncoder.getDescription().colorAttachments[0].clearValue=[0,0,0,0],t.selectionRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba32uint",blend:void 0}]}})}}const Uv={selectionRenderEncoder:null,colorTexture:null,depthTexture:null};function Gv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Uv,n),Cm.extend(e,t,n),gt.get(e,t,["colorTexture","depthTexture"]),Vv(e,t)}var zv={newInstance:gt.newInstance(Gv,"vtkWebGPUHardwareSelectionPass"),extend:Gv};const{SelectionContent:jv,SelectionField:Wv}=Hm,{FieldAssociations:Hv}=di,{vtkErrorMacro:Xv}=gt;function Kv(e){return`${e.propID} ${e.compositeID}`}function qv(e,t,n,r){const o=4*((n.height-t-1)*n.colorBufferWidth+e)+r;return n.colorValues[o]}function $v(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]<0||t[0]>=e.width||t[1]<0||t[1]>=e.height)return null;const n=qv(t[0],t[1],e,0);if(n<=0)return null;const o={};o.propID=n;let i=qv(t[0],t[1],e,1);if((i<0||i>16777215)&&(i=0),o.compositeID=i,e.captureZValues){const n=(e.height-t[1]-1)*e.zbufferBufferWidth+t[0];o.zValue=e.depthValues[n],o.zValue=e.webGPURenderer.convertToOpenGLDepth(o.zValue),o.displayPosition=t}return o}const i=[t[0],t[1]],a=[0,0];let s=$v(e,t,0,r);if(s)return s;for(let t=1;tt?i[1]-t:0;n<=i[1]+t;++n){if(a[1]=n,i[0]>=t&&(a[0]=i[0]-t,s=$v(e,a,0,r),s))return s;if(a[0]=i[0]+t,s=$v(e,a,0,r),s)return s}for(let n=i[0]>=t?i[0]-(t-1):0;n<=i[0]+(t-1);++n){if(a[0]=n,i[1]>=t&&(a[1]=i[1]-t,s=$v(e,a,0,r),s))return s;if(a[1]=i[1]+t,s=$v(e,a,0,r),s)return s}}return r[0]=t[0],r[1]=t[1],null}function Yv(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelector"),e.endSelection=()=>{t.WebGPURenderer.setSelector(null)},e.getSourceDataAsync=async e=>{if(!e||!t._WebGPURenderWindow)return Xv("Renderer and view must be set before calling Select."),!1;t._WebGPURenderWindow.getRenderable().preRender(),t._WebGPURenderWindow.getInitialized()||(t._WebGPURenderWindow.initialize(),await new Promise((e=>{t._WebGPURenderWindow.onInitialized(e)})));const n=t._WebGPURenderWindow.getViewNodeFor(e);if(!n)return!1;const r=n.getSuppressClear();n.setSuppressClear(!0),t._selectionPass.traverse(t._WebGPURenderWindow,n),n.setSuppressClear(r);const o=t._WebGPURenderWindow.getDevice(),i=t._selectionPass.getColorTexture(),a=t._selectionPass.getDepthTexture(),s={area:[0,0,i.getWidth()-1,i.getHeight()-1],captureZValues:t.captureZValues,fieldAssociation:t.fieldAssociation,renderer:e,webGPURenderer:n,webGPURenderWindow:t._WebGPURenderWindow,width:i.getWidth(),height:i.getHeight()};s.colorBufferWidth=16*Math.floor((s.width+15)/16),s.colorBufferSizeInBytes=s.colorBufferWidth*s.height*4*4;const l=vu.newInstance({label:"hardwareSelectColorBuffer"});l.setDevice(o),l.create(s.colorBufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST);const u=t._WebGPURenderWindow.getCommandEncoder();let c;u.copyTextureToBuffer({texture:i.getHandle()},{buffer:l.getHandle(),bytesPerRow:16*s.colorBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1}),t.captureZValues&&(s.zbufferBufferWidth=64*Math.floor((s.width+63)/64),c=vu.newInstance({label:"hardwareSelectDepthBuffer"}),c.setDevice(o),s.zbufferSizeInBytes=s.height*s.zbufferBufferWidth*4,c.create(s.zbufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST),u.copyTextureToBuffer({texture:a.getHandle(),aspect:"depth-only"},{buffer:c.getHandle(),bytesPerRow:4*s.zbufferBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1})),o.submitCommandEncoder(u);const d=l.mapAsync(GPUMapMode.READ);if(t.captureZValues){const e=c.mapAsync(GPUMapMode.READ);await Promise.all([d,e]),s.depthValues=new Float32Array(c.getMappedRange().slice()),c.unmap()}else await d;return s.colorValues=new Uint32Array(l.getMappedRange().slice()),l.unmap(),s.generateSelection=(e,t,n,r)=>function(e,t,n,r,o){const i=Math.floor(t),a=Math.floor(n),s=Math.floor(r),l=Math.floor(o),u=new Map,c=[0,0];for(let t=a;t<=l;t++)for(let n=i;n<=s;n++){const r=$v(e,[n,t],0,c);if(r){const t=Kv(r);if(u.has(t)){const n=u.get(t);n.pixelCount++,e.captureZValues&&r.zValue{const a=Hm.newInstance();switch(a.setContentType(jv.INDICES),e){case Hv.FIELD_ASSOCIATION_CELLS:a.setFieldType(Wv.CELL);break;case Hv.FIELD_ASSOCIATION_POINTS:a.setFieldType(Wv.POINT);break;default:Xv("Unknown field association")}a.getProperties().propID=t.info.propID;const s=n.webGPURenderer.getPropFromID(t.info.propID);a.getProperties().prop=s.getRenderable(),a.getProperties().compositeID=t.info.compositeID,a.getProperties().pixelCount=t.pixelCount,n.captureZValues&&(a.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],a.getProperties().worldPosition=n.webGPURenderWindow.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,n.renderer)),a.setSelectionList(t.attributeIDs),r[o]=a,o++})),r}(e.fieldAssociation,u,e)}(s,e,t,n,r),s}}const Jv={};function Qv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Jv,n),Gm.extend(e,t,n),t._selectionPass=zv.newInstance(),gt.setGet(e,t,["_WebGPURenderWindow"]),gt.moveToProtected(e,t,["WebGPURenderWindow"]),Yv(e,t)}var Zv={newInstance:gt.newInstance(Qv,"vtkWebGPUHardwareSelector"),extend:Qv};const{vtkErrorMacro:ey}=gt,ty={position:"absolute",top:0,left:0,width:"100%",height:"100%"};function ny(e,t){t.classHierarchy.push("vtkWebGPURenderWindow"),e.getViewNodeFactory=()=>t.myFactory;const n=[0,0];e.onModified((function(){t.renderable&&(t.size[0]===n[0]&&t.size[1]===n[1]||(n[0]=t.size[0],n[1]=t.size[1],t.canvas.setAttribute("width",t.size[0]),t.canvas.setAttribute("height",t.size[1]),e.recreateSwapChain())),t.viewStream&&t.viewStream.setSize(t.size[0],t.size[1]),t.canvas.style.display=t.useOffScreen?"none":"block",t.el&&(t.el.style.cursor=t.cursorVisibility?t.cursor:"none"),t.containerSize=null})),e.recreateSwapChain=()=>{t.context&&(t.context.unconfigure(),t.presentationFormat=navigator.gpu.getPreferredCanvasFormat(t.adapter),t.context.configure({device:t.device.getHandle(),format:t.presentationFormat,alphaMode:"premultiplied",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_DST,width:t.size[0],height:t.size[1]}),t._configured=!0)},e.getCurrentTexture=()=>t.context.getCurrentTexture(),e.buildPass=n=>{if(n){if(!t.renderable)return;e.prepareNodes(),e.addMissingNodes(t.renderable.getRenderersByReference()),e.removeUnusedNodes(),e.initialize()}else t.initialized&&(t._configured||e.recreateSwapChain(),t.commandEncoder=t.device.createCommandEncoder())},e.initialize=()=>{if(!t.initializing){if(t.initializing=!0,!navigator.gpu)return void ey("WebGPU is not enabled.");e.create3DContextAsync().then((()=>{t.initialized=!0,t.deleted||e.invokeInitialized()}))}},e.setContainer=n=>{t.el&&t.el!==n&&(t.canvas.parentNode!==t.el&&ey("Error: canvas parent node does not match container"),t.el.removeChild(t.canvas),t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)),t.el!==n&&(t.el=n,t.el&&(t.el.appendChild(t.canvas),t.useBackgroundImage&&t.el.appendChild(t.bgImage)),e.modified())},e.getContainer=()=>t.el,e.getContainerSize=()=>{if(!t.containerSize&&t.el){const{width:e,height:n}=t.el.getBoundingClientRect();t.containerSize=[e,n]}return t.containerSize||t.size},e.getFramebufferSize=()=>t.size,e.create3DContextAsync=async()=>{t.adapter=await navigator.gpu.requestAdapter({powerPreference:"high-performance"}),t.deleted||(t.device=Bv.newInstance(),t.device.initialize(await t.adapter.requestDevice()),t.deleted?t.device=null:t.context=t.canvas.getContext("webgpu"))},e.releaseGraphicsResources=()=>{const n=Cm.newInstance();n.setCurrentOperation("Release"),n.traverse(e,null),t.adapter=null,t.device=null,t.context=null,t.initialized=!1,t.initializing=!1},e.setBackgroundImage=e=>{t.bgImage.src=e.src},e.setUseBackgroundImage=e=>{t.useBackgroundImage=e,t.useBackgroundImage&&!t.el.contains(t.bgImage)?t.el.appendChild(t.bgImage):!t.useBackgroundImage&&t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)},e.captureNextImage=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"image/png",{resetCamera:r=!1,size:o=null,scale:i=1}=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(t.deleted)return null;t.imageFormat=n;const a=t.notifyStartCaptureImage;return t.notifyStartCaptureImage=!0,t._screenshot={size:o||1!==i?o||t.size.map((e=>e*i)):null},new Promise(((n,o)=>{const i=e.onImageReady((o=>{if(null===t._screenshot.size)t.notifyStartCaptureImage=a,i.unsubscribe(),t._screenshot.placeHolder&&(t.size=t._screenshot.originalSize,e.modified(),t._screenshot.cameras&&t._screenshot.cameras.forEach((e=>{let{restoreParamsFn:t,arg:n}=e;return t(n)})),e.traverseAllPasses(),t.el.removeChild(t._screenshot.placeHolder),t._screenshot.placeHolder.remove(),t._screenshot=null),n(o);else{const n=document.createElement("img");if(n.style=ty,n.src=o,t._screenshot.placeHolder=t.el.appendChild(n),t.canvas.style.display="none",t._screenshot.originalSize=t.size,t.size=t._screenshot.size,t._screenshot.size=null,e.modified(),r){const e=!0!==r;t._screenshot.cameras=t.renderable.getRenderers().map((t=>{const n=t.getActiveCamera(),o=n.get("focalPoint","position","parallelScale");return{resetCameraArgs:e?{renderer:t}:void 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n=document.querySelector("body");t.rootContainer||(t.rootContainer=n),t.container||(t.container=document.createElement("div"),ly(t.container,t.containerStyle||ay),t.rootContainer.appendChild(t.container)),t.rootContainer===n&&(document.documentElement.style.height="100%",n.style.height="100%",n.style.padding="0",n.style.margin="0"),t.renderWindow=Rf.newInstance(),t.renderer=Ef.newInstance(),t.renderWindow.addRenderer(t.renderer),t.apiSpecificRenderWindow=t.renderWindow.newAPISpecificView(iy.viewAPI??t.defaultViewAPI),t.apiSpecificRenderWindow.setContainer(t.container),t.renderWindow.addView(t.apiSpecificRenderWindow),t.interactor=Qf.newInstance(),t.interactor.setInteractorStyle(gh.newInstance()),t.interactor.setView(t.apiSpecificRenderWindow),t.interactor.initialize(),t.interactor.bindEvents(t.container),e.setBackground=t.renderer.setBackground,e.removeController=()=>{const 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r=n(2);t.ArrayExpression=function(e){this.type=r.Syntax.ArrayExpression,this.elements=e};t.ArrayPattern=function(e){this.type=r.Syntax.ArrayPattern,this.elements=e};t.ArrowFunctionExpression=function(e,t,n){this.type=r.Syntax.ArrowFunctionExpression,this.id=null,this.params=e,this.body=t,this.generator=!1,this.expression=n,this.async=!1};t.AssignmentExpression=function(e,t,n){this.type=r.Syntax.AssignmentExpression,this.operator=e,this.left=t,this.right=n};t.AssignmentPattern=function(e,t){this.type=r.Syntax.AssignmentPattern,this.left=e,this.right=t};t.AsyncArrowFunctionExpression=function(e,t,n){this.type=r.Syntax.ArrowFunctionExpression,this.id=null,this.params=e,this.body=t,this.generator=!1,this.expression=n,this.async=!0};t.AsyncFunctionDeclaration=function(e,t,n){this.type=r.Syntax.FunctionDeclaration,this.id=e,this.params=t,this.body=n,this.generator=!1,this.expression=!1,this.async=!0};t.AsyncFunctionExpression=function(e,t,n){this.type=r.Syntax.FunctionExpression,this.id=e,this.params=t,this.body=n,this.generator=!1,this.expression=!1,this.async=!0};t.AwaitExpression=function(e){this.type=r.Syntax.AwaitExpression,this.argument=e};t.BinaryExpression=function(e,t,n){var o="||"===e||"&&"===e;this.type=o?r.Syntax.LogicalExpression:r.Syntax.BinaryExpression,this.operator=e,this.left=t,this.right=n};t.BlockStatement=function(e){this.type=r.Syntax.BlockStatement,this.body=e};t.BreakStatement=function(e){this.type=r.Syntax.BreakStatement,this.label=e};t.CallExpression=function(e,t){this.type=r.Syntax.CallExpression,this.callee=e,this.arguments=t};t.CatchClause=function(e,t){this.type=r.Syntax.CatchClause,this.param=e,this.body=t};t.ClassBody=function(e){this.type=r.Syntax.ClassBody,this.body=e};t.ClassDeclaration=function(e,t,n){this.type=r.Syntax.ClassDeclaration,this.id=e,this.superClass=t,this.body=n};t.ClassExpression=function(e,t,n){this.type=r.Syntax.ClassExpression,this.id=e,this.superClass=t,this.body=n};t.ComputedMemberExpression=function(e,t){this.type=r.Syntax.MemberExpression,this.computed=!0,this.object=e,this.property=t};t.ConditionalExpression=function(e,t,n){this.type=r.Syntax.ConditionalExpression,this.test=e,this.consequent=t,this.alternate=n};t.ContinueStatement=function(e){this.type=r.Syntax.ContinueStatement,this.label=e};t.DebuggerStatement=function(){this.type=r.Syntax.DebuggerStatement};t.Directive=function(e,t){this.type=r.Syntax.ExpressionStatement,this.expression=e,this.directive=t};t.DoWhileStatement=function(e,t){this.type=r.Syntax.DoWhileStatement,this.body=e,this.test=t};t.EmptyStatement=function(){this.type=r.Syntax.EmptyStatement};t.ExportAllDeclaration=function(e){this.type=r.Syntax.ExportAllDeclaration,this.source=e};t.ExportDefaultDeclaration=function(e){this.type=r.Syntax.ExportDefaultDeclaration,this.declaration=e};t.ExportNamedDeclaration=function(e,t,n){this.type=r.Syntax.ExportNamedDeclaration,this.declaration=e,this.specifiers=t,this.source=n};t.ExportSpecifier=function(e,t){this.type=r.Syntax.ExportSpecifier,this.exported=t,this.local=e};t.ExpressionStatement=function(e){this.type=r.Syntax.ExpressionStatement,this.expression=e};t.ForInStatement=function(e,t,n){this.type=r.Syntax.ForInStatement,this.left=e,this.right=t,this.body=n,this.each=!1};t.ForOfStatement=function(e,t,n){this.type=r.Syntax.ForOfStatement,this.left=e,this.right=t,this.body=n};t.ForStatement=function(e,t,n,o){this.type=r.Syntax.ForStatement,this.init=e,this.test=t,this.update=n,this.body=o};t.FunctionDeclaration=function(e,t,n,o){this.type=r.Syntax.FunctionDeclaration,this.id=e,this.params=t,this.body=n,this.generator=o,this.expression=!1,this.async=!1};t.FunctionExpression=function(e,t,n,o){this.type=r.Syntax.FunctionExpression,this.id=e,this.params=t,this.body=n,this.generator=o,this.expression=!1,this.async=!1};t.Identifier=function(e){this.type=r.Syntax.Identifier,this.name=e};t.IfStatement=function(e,t,n){this.type=r.Syntax.IfStatement,this.test=e,this.consequent=t,this.alternate=n};t.ImportDeclaration=function(e,t){this.type=r.Syntax.ImportDeclaration,this.specifiers=e,this.source=t};t.ImportDefaultSpecifier=function(e){this.type=r.Syntax.ImportDefaultSpecifier,this.local=e};t.ImportNamespaceSpecifier=function(e){this.type=r.Syntax.ImportNamespaceSpecifier,this.local=e};t.ImportSpecifier=function(e,t){this.type=r.Syntax.ImportSpecifier,this.local=e,this.imported=t};t.LabeledStatement=function(e,t){this.type=r.Syntax.LabeledStatement,this.label=e,this.body=t};t.Literal=function(e,t){this.type=r.Syntax.Literal,this.value=e,this.raw=t};t.MetaProperty=function(e,t){this.type=r.Syntax.MetaProperty,this.meta=e,this.property=t};t.MethodDefinition=function(e,t,n,o,i){this.type=r.Syntax.MethodDefinition,this.key=e,this.computed=t,this.value=n,this.kind=o,this.static=i};t.Module=function(e){this.type=r.Syntax.Program,this.body=e,this.sourceType="module"};t.NewExpression=function(e,t){this.type=r.Syntax.NewExpression,this.callee=e,this.arguments=t};t.ObjectExpression=function(e){this.type=r.Syntax.ObjectExpression,this.properties=e};t.ObjectPattern=function(e){this.type=r.Syntax.ObjectPattern,this.properties=e};t.Property=function(e,t,n,o,i,a){this.type=r.Syntax.Property,this.key=t,this.computed=n,this.value=o,this.kind=e,this.method=i,this.shorthand=a};t.RegexLiteral=function(e,t,n,o){this.type=r.Syntax.Literal,this.value=e,this.raw=t,this.regex={pattern:n,flags:o}};t.RestElement=function(e){this.type=r.Syntax.RestElement,this.argument=e};t.ReturnStatement=function(e){this.type=r.Syntax.ReturnStatement,this.argument=e};t.Script=function(e){this.type=r.Syntax.Program,this.body=e,this.sourceType="script"};t.SequenceExpression=function(e){this.type=r.Syntax.SequenceExpression,this.expressions=e};t.SpreadElement=function(e){this.type=r.Syntax.SpreadElement,this.argument=e};t.StaticMemberExpression=function(e,t){this.type=r.Syntax.MemberExpression,this.computed=!1,this.object=e,this.property=t};t.Super=function(){this.type=r.Syntax.Super};t.SwitchCase=function(e,t){this.type=r.Syntax.SwitchCase,this.test=e,this.consequent=t};t.SwitchStatement=function(e,t){this.type=r.Syntax.SwitchStatement,this.discriminant=e,this.cases=t};t.TaggedTemplateExpression=function(e,t){this.type=r.Syntax.TaggedTemplateExpression,this.tag=e,this.quasi=t};t.TemplateElement=function(e,t){this.type=r.Syntax.TemplateElement,this.value=e,this.tail=t};t.TemplateLiteral=function(e,t){this.type=r.Syntax.TemplateLiteral,this.quasis=e,this.expressions=t};t.ThisExpression=function(){this.type=r.Syntax.ThisExpression};t.ThrowStatement=function(e){this.type=r.Syntax.ThrowStatement,this.argument=e};t.TryStatement=function(e,t,n){this.type=r.Syntax.TryStatement,this.block=e,this.handler=t,this.finalizer=n};t.UnaryExpression=function(e,t){this.type=r.Syntax.UnaryExpression,this.operator=e,this.argument=t,this.prefix=!0};t.UpdateExpression=function(e,t,n){this.type=r.Syntax.UpdateExpression,this.operator=e,this.argument=t,this.prefix=n};t.VariableDeclaration=function(e,t){this.type=r.Syntax.VariableDeclaration,this.declarations=e,this.kind=t};t.VariableDeclarator=function(e,t){this.type=r.Syntax.VariableDeclarator,this.id=e,this.init=t};t.WhileStatement=function(e,t){this.type=r.Syntax.WhileStatement,this.test=e,this.body=t};t.WithStatement=function(e,t){this.type=r.Syntax.WithStatement,this.object=e,this.body=t};t.YieldExpression=function(e,t){this.type=r.Syntax.YieldExpression,this.argument=e,this.delegate=t}},function(e,t,n){"use 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s.Scanner(e,this.errorHandler),this.scanner.trackComment=this.config.comment,this.operatorPrecedence={")":0,";":0,",":0,"=":0,"]":0,"||":1,"&&":2,"|":3,"^":4,"&":5,"==":6,"!=":6,"===":6,"!==":6,"<":7,">":7,"<=":7,">=":7,"<<":8,">>":8,">>>":8,"+":9,"-":9,"*":11,"/":11,"%":11},this.lookahead={type:2,value:"",lineNumber:this.scanner.lineNumber,lineStart:0,start:0,end:0},this.hasLineTerminator=!1,this.context={isModule:!1,await:!1,allowIn:!0,allowStrictDirective:!0,allowYield:!0,firstCoverInitializedNameError:null,isAssignmentTarget:!1,isBindingElement:!1,inFunctionBody:!1,inIteration:!1,inSwitch:!1,labelSet:{},strict:!1},this.tokens=[],this.startMarker={index:0,line:this.scanner.lineNumber,column:0},this.lastMarker={index:0,line:this.scanner.lineNumber,column:0},this.nextToken(),this.lastMarker={index:this.scanner.index,line:this.scanner.lineNumber,column:this.scanner.index-this.scanner.lineStart}}return e.prototype.throwError=function(e){for(var t=[],n=1;n0&&this.delegate)for(var t=0;t>="===e||">>>="===e||"&="===e||"^="===e||"|="===e},e.prototype.isolateCoverGrammar=function(e){var t=this.context.isBindingElement,n=this.context.isAssignmentTarget,r=this.context.firstCoverInitializedNameError;this.context.isBindingElement=!0,this.context.isAssignmentTarget=!0,this.context.firstCoverInitializedNameError=null;var o=e.call(this);return null!==this.context.firstCoverInitializedNameError&&this.throwUnexpectedToken(this.context.firstCoverInitializedNameError),this.context.isBindingElement=t,this.context.isAssignmentTarget=n,this.context.firstCoverInitializedNameError=r,o},e.prototype.inheritCoverGrammar=function(e){var t=this.context.isBindingElement,n=this.context.isAssignmentTarget,r=this.context.firstCoverInitializedNameError;this.context.isBindingElement=!0,this.context.isAssignmentTarget=!0,this.context.firstCoverInitializedNameError=null;var o=e.call(this);return this.context.isBindingElement=this.context.isBindingElement&&t,this.context.isAssignmentTarget=this.context.isAssignmentTarget&&n,this.context.firstCoverInitializedNameError=r||this.context.firstCoverInitializedNameError,o},e.prototype.consumeSemicolon=function(){this.match(";")?this.nextToken():this.hasLineTerminator||(2===this.lookahead.type||this.match("}")||this.throwUnexpectedToken(this.lookahead),this.lastMarker.index=this.startMarker.index,this.lastMarker.line=this.startMarker.line,this.lastMarker.column=this.startMarker.column)},e.prototype.parsePrimaryExpression=function(){var e,t,n,r=this.createNode();switch(this.lookahead.type){case 3:(this.context.isModule||this.context.await)&&"await"===this.lookahead.value&&this.tolerateUnexpectedToken(this.lookahead),e=this.matchAsyncFunction()?this.parseFunctionExpression():this.finalize(r,new a.Identifier(this.nextToken().value));break;case 6:case 8:this.context.strict&&this.lookahead.octal&&this.tolerateUnexpectedToken(this.lookahead,i.Messages.StrictOctalLiteral),this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,t=this.nextToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.Literal(t.value,n));break;case 1:this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,t=this.nextToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.Literal("true"===t.value,n));break;case 5:this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,t=this.nextToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.Literal(null,n));break;case 10:e=this.parseTemplateLiteral();break;case 7:switch(this.lookahead.value){case"(":this.context.isBindingElement=!1,e=this.inheritCoverGrammar(this.parseGroupExpression);break;case"[":e=this.inheritCoverGrammar(this.parseArrayInitializer);break;case"{":e=this.inheritCoverGrammar(this.parseObjectInitializer);break;case"/":case"/=":this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,this.scanner.index=this.startMarker.index,t=this.nextRegexToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.RegexLiteral(t.regex,n,t.pattern,t.flags));break;default:e=this.throwUnexpectedToken(this.nextToken())}break;case 4:!this.context.strict&&this.context.allowYield&&this.matchKeyword("yield")?e=this.parseIdentifierName():!this.context.strict&&this.matchKeyword("let")?e=this.finalize(r,new a.Identifier(this.nextToken().value)):(this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,this.matchKeyword("function")?e=this.parseFunctionExpression():this.matchKeyword("this")?(this.nextToken(),e=this.finalize(r,new a.ThisExpression)):e=this.matchKeyword("class")?this.parseClassExpression():this.throwUnexpectedToken(this.nextToken()));break;default:e=this.throwUnexpectedToken(this.nextToken())}return e},e.prototype.parseSpreadElement=function(){var e=this.createNode();this.expect("...");var t=this.inheritCoverGrammar(this.parseAssignmentExpression);return this.finalize(e,new a.SpreadElement(t))},e.prototype.parseArrayInitializer=function(){var e=this.createNode(),t=[];for(this.expect("[");!this.match("]");)if(this.match(","))this.nextToken(),t.push(null);else if(this.match("...")){var n=this.parseSpreadElement();this.match("]")||(this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,this.expect(",")),t.push(n)}else t.push(this.inheritCoverGrammar(this.parseAssignmentExpression)),this.match("]")||this.expect(",");return this.expect("]"),this.finalize(e,new a.ArrayExpression(t))},e.prototype.parsePropertyMethod=function(e){this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1;var t=this.context.strict,n=this.context.allowStrictDirective;this.context.allowStrictDirective=e.simple;var r=this.isolateCoverGrammar(this.parseFunctionSourceElements);return this.context.strict&&e.firstRestricted&&this.tolerateUnexpectedToken(e.firstRestricted,e.message),this.context.strict&&e.stricted&&this.tolerateUnexpectedToken(e.stricted,e.message),this.context.strict=t,this.context.allowStrictDirective=n,r},e.prototype.parsePropertyMethodFunction=function(){var e=this.createNode(),t=this.context.allowYield;this.context.allowYield=!0;var n=this.parseFormalParameters(),r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!1))},e.prototype.parsePropertyMethodAsyncFunction=function(){var e=this.createNode(),t=this.context.allowYield,n=this.context.await;this.context.allowYield=!1,this.context.await=!0;var r=this.parseFormalParameters(),o=this.parsePropertyMethod(r);return this.context.allowYield=t,this.context.await=n,this.finalize(e,new a.AsyncFunctionExpression(null,r.params,o))},e.prototype.parseObjectPropertyKey=function(){var e,t=this.createNode(),n=this.nextToken();switch(n.type){case 8:case 6:this.context.strict&&n.octal&&this.tolerateUnexpectedToken(n,i.Messages.StrictOctalLiteral);var r=this.getTokenRaw(n);e=this.finalize(t,new a.Literal(n.value,r));break;case 3:case 1:case 5:case 4:e=this.finalize(t,new a.Identifier(n.value));break;case 7:"["===n.value?(e=this.isolateCoverGrammar(this.parseAssignmentExpression),this.expect("]")):e=this.throwUnexpectedToken(n);break;default:e=this.throwUnexpectedToken(n)}return e},e.prototype.isPropertyKey=function(e,t){return e.type===l.Syntax.Identifier&&e.name===t||e.type===l.Syntax.Literal&&e.value===t},e.prototype.parseObjectProperty=function(e){var t,n=this.createNode(),r=this.lookahead,o=null,s=null,l=!1,u=!1,c=!1,d=!1;if(3===r.type){var p=r.value;this.nextToken(),l=this.match("["),o=(d=!(this.hasLineTerminator||"async"!==p||this.match(":")||this.match("(")||this.match("*")||this.match(",")))?this.parseObjectPropertyKey():this.finalize(n,new a.Identifier(p))}else this.match("*")?this.nextToken():(l=this.match("["),o=this.parseObjectPropertyKey());var f=this.qualifiedPropertyName(this.lookahead);if(3===r.type&&!d&&"get"===r.value&&f)t="get",l=this.match("["),o=this.parseObjectPropertyKey(),this.context.allowYield=!1,s=this.parseGetterMethod();else if(3===r.type&&!d&&"set"===r.value&&f)t="set",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseSetterMethod();else if(7===r.type&&"*"===r.value&&f)t="init",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseGeneratorMethod(),u=!0;else if(o||this.throwUnexpectedToken(this.lookahead),t="init",this.match(":")&&!d)!l&&this.isPropertyKey(o,"__proto__")&&(e.value&&this.tolerateError(i.Messages.DuplicateProtoProperty),e.value=!0),this.nextToken(),s=this.inheritCoverGrammar(this.parseAssignmentExpression);else if(this.match("("))s=d?this.parsePropertyMethodAsyncFunction():this.parsePropertyMethodFunction(),u=!0;else if(3===r.type)if(p=this.finalize(n,new a.Identifier(r.value)),this.match("=")){this.context.firstCoverInitializedNameError=this.lookahead,this.nextToken(),c=!0;var h=this.isolateCoverGrammar(this.parseAssignmentExpression);s=this.finalize(n,new a.AssignmentPattern(p,h))}else c=!0,s=p;else this.throwUnexpectedToken(this.nextToken());return this.finalize(n,new a.Property(t,o,l,s,u,c))},e.prototype.parseObjectInitializer=function(){var e=this.createNode();this.expect("{");for(var t=[],n={value:!1};!this.match("}");)t.push(this.parseObjectProperty(n)),this.match("}")||this.expectCommaSeparator();return this.expect("}"),this.finalize(e,new a.ObjectExpression(t))},e.prototype.parseTemplateHead=function(){r.assert(this.lookahead.head,"Template literal must start with a template head");var e=this.createNode(),t=this.nextToken(),n=t.value,o=t.cooked;return this.finalize(e,new a.TemplateElement({raw:n,cooked:o},t.tail))},e.prototype.parseTemplateElement=function(){10!==this.lookahead.type&&this.throwUnexpectedToken();var e=this.createNode(),t=this.nextToken(),n=t.value,r=t.cooked;return this.finalize(e,new a.TemplateElement({raw:n,cooked:r},t.tail))},e.prototype.parseTemplateLiteral=function(){var e=this.createNode(),t=[],n=[],r=this.parseTemplateHead();for(n.push(r);!r.tail;)t.push(this.parseExpression()),r=this.parseTemplateElement(),n.push(r);return this.finalize(e,new a.TemplateLiteral(n,t))},e.prototype.reinterpretExpressionAsPattern=function(e){switch(e.type){case l.Syntax.Identifier:case l.Syntax.MemberExpression:case l.Syntax.RestElement:case l.Syntax.AssignmentPattern:break;case l.Syntax.SpreadElement:e.type=l.Syntax.RestElement,this.reinterpretExpressionAsPattern(e.argument);break;case l.Syntax.ArrayExpression:e.type=l.Syntax.ArrayPattern;for(var t=0;t")||this.expect("=>"),e={type:"ArrowParameterPlaceHolder",params:[],async:!1};else{var t=this.lookahead,n=[];if(this.match("..."))e=this.parseRestElement(n),this.expect(")"),this.match("=>")||this.expect("=>"),e={type:"ArrowParameterPlaceHolder",params:[e],async:!1};else{var r=!1;if(this.context.isBindingElement=!0,e=this.inheritCoverGrammar(this.parseAssignmentExpression),this.match(",")){var o=[];for(this.context.isAssignmentTarget=!1,o.push(e);2!==this.lookahead.type&&this.match(",");){if(this.nextToken(),this.match(")")){this.nextToken();for(var i=0;i")||this.expect("=>"),this.context.isBindingElement=!1,i=0;i")&&(e.type===l.Syntax.Identifier&&"yield"===e.name&&(r=!0,e={type:"ArrowParameterPlaceHolder",params:[e],async:!1}),!r)){if(this.context.isBindingElement||this.throwUnexpectedToken(this.lookahead),e.type===l.Syntax.SequenceExpression)for(i=0;i")){for(var l=0;l0){this.nextToken(),this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1;for(var o=[e,this.lookahead],i=t,s=this.isolateCoverGrammar(this.parseExponentiationExpression),l=[i,n.value,s],u=[r];!((r=this.binaryPrecedence(this.lookahead))<=0);){for(;l.length>2&&r<=u[u.length-1];){s=l.pop();var c=l.pop();u.pop(),i=l.pop(),o.pop();var d=this.startNode(o[o.length-1]);l.push(this.finalize(d,new a.BinaryExpression(c,i,s)))}l.push(this.nextToken().value),u.push(r),o.push(this.lookahead),l.push(this.isolateCoverGrammar(this.parseExponentiationExpression))}var p=l.length-1;t=l[p];for(var f=o.pop();p>1;){var h=o.pop(),m=f&&f.lineStart;d=this.startNode(h,m),c=l[p-1],t=this.finalize(d,new a.BinaryExpression(c,l[p-2],t)),p-=2,f=h}}return t},e.prototype.parseConditionalExpression=function(){var e=this.lookahead,t=this.inheritCoverGrammar(this.parseBinaryExpression);if(this.match("?")){this.nextToken();var n=this.context.allowIn;this.context.allowIn=!0;var r=this.isolateCoverGrammar(this.parseAssignmentExpression);this.context.allowIn=n,this.expect(":");var o=this.isolateCoverGrammar(this.parseAssignmentExpression);t=this.finalize(this.startNode(e),new a.ConditionalExpression(t,r,o)),this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1}return t},e.prototype.checkPatternParam=function(e,t){switch(t.type){case l.Syntax.Identifier:this.validateParam(e,t,t.name);break;case l.Syntax.RestElement:this.checkPatternParam(e,t.argument);break;case l.Syntax.AssignmentPattern:this.checkPatternParam(e,t.left);break;case l.Syntax.ArrayPattern:for(var n=0;n")){this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1;var o=e.async,s=this.reinterpretAsCoverFormalsList(e);if(s){this.hasLineTerminator&&this.tolerateUnexpectedToken(this.lookahead),this.context.firstCoverInitializedNameError=null;var u=this.context.strict,c=this.context.allowStrictDirective;this.context.allowStrictDirective=s.simple;var d=this.context.allowYield,p=this.context.await;this.context.allowYield=!0,this.context.await=o;var f=this.startNode(t);this.expect("=>");var h=void 0;if(this.match("{")){var m=this.context.allowIn;this.context.allowIn=!0,h=this.parseFunctionSourceElements(),this.context.allowIn=m}else h=this.isolateCoverGrammar(this.parseAssignmentExpression);var g=h.type!==l.Syntax.BlockStatement;this.context.strict&&s.firstRestricted&&this.throwUnexpectedToken(s.firstRestricted,s.message),this.context.strict&&s.stricted&&this.tolerateUnexpectedToken(s.stricted,s.message),e=o?this.finalize(f,new a.AsyncArrowFunctionExpression(s.params,h,g)):this.finalize(f,new a.ArrowFunctionExpression(s.params,h,g)),this.context.strict=u,this.context.allowStrictDirective=c,this.context.allowYield=d,this.context.await=p}}else if(this.matchAssign()){if(this.context.isAssignmentTarget||this.tolerateError(i.Messages.InvalidLHSInAssignment),this.context.strict&&e.type===l.Syntax.Identifier){var v=e;this.scanner.isRestrictedWord(v.name)&&this.tolerateUnexpectedToken(n,i.Messages.StrictLHSAssignment),this.scanner.isStrictModeReservedWord(v.name)&&this.tolerateUnexpectedToken(n,i.Messages.StrictReservedWord)}this.match("=")?this.reinterpretExpressionAsPattern(e):(this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1);var y=(n=this.nextToken()).value,b=this.isolateCoverGrammar(this.parseAssignmentExpression);e=this.finalize(this.startNode(t),new a.AssignmentExpression(y,e,b)),this.context.firstCoverInitializedNameError=null}}return e},e.prototype.parseExpression=function(){var e=this.lookahead,t=this.isolateCoverGrammar(this.parseAssignmentExpression);if(this.match(",")){var n=[];for(n.push(t);2!==this.lookahead.type&&this.match(",");)this.nextToken(),n.push(this.isolateCoverGrammar(this.parseAssignmentExpression));t=this.finalize(this.startNode(e),new a.SequenceExpression(n))}return t},e.prototype.parseStatementListItem=function(){var e;if(this.context.isAssignmentTarget=!0,this.context.isBindingElement=!0,4===this.lookahead.type)switch(this.lookahead.value){case"export":this.context.isModule||this.tolerateUnexpectedToken(this.lookahead,i.Messages.IllegalExportDeclaration),e=this.parseExportDeclaration();break;case"import":this.context.isModule||this.tolerateUnexpectedToken(this.lookahead,i.Messages.IllegalImportDeclaration),e=this.parseImportDeclaration();break;case"const":e=this.parseLexicalDeclaration({inFor:!1});break;case"function":e=this.parseFunctionDeclaration();break;case"class":e=this.parseClassDeclaration();break;case"let":e=this.isLexicalDeclaration()?this.parseLexicalDeclaration({inFor:!1}):this.parseStatement();break;default:e=this.parseStatement()}else e=this.parseStatement();return e},e.prototype.parseBlock=function(){var e=this.createNode();this.expect("{");for(var t=[];!this.match("}");)t.push(this.parseStatementListItem());return this.expect("}"),this.finalize(e,new a.BlockStatement(t))},e.prototype.parseLexicalBinding=function(e,t){var n=this.createNode(),r=this.parsePattern([],e);this.context.strict&&r.type===l.Syntax.Identifier&&this.scanner.isRestrictedWord(r.name)&&this.tolerateError(i.Messages.StrictVarName);var o=null;return"const"===e?this.matchKeyword("in")||this.matchContextualKeyword("of")||(this.match("=")?(this.nextToken(),o=this.isolateCoverGrammar(this.parseAssignmentExpression)):this.throwError(i.Messages.DeclarationMissingInitializer,"const")):(!t.inFor&&r.type!==l.Syntax.Identifier||this.match("="))&&(this.expect("="),o=this.isolateCoverGrammar(this.parseAssignmentExpression)),this.finalize(n,new a.VariableDeclarator(r,o))},e.prototype.parseBindingList=function(e,t){for(var n=[this.parseLexicalBinding(e,t)];this.match(",");)this.nextToken(),n.push(this.parseLexicalBinding(e,t));return n},e.prototype.isLexicalDeclaration=function(){var e=this.scanner.saveState();this.scanner.scanComments();var t=this.scanner.lex();return this.scanner.restoreState(e),3===t.type||7===t.type&&"["===t.value||7===t.type&&"{"===t.value||4===t.type&&"let"===t.value||4===t.type&&"yield"===t.value},e.prototype.parseLexicalDeclaration=function(e){var t=this.createNode(),n=this.nextToken().value;r.assert("let"===n||"const"===n,"Lexical declaration must be either let or const");var o=this.parseBindingList(n,e);return this.consumeSemicolon(),this.finalize(t,new a.VariableDeclaration(o,n))},e.prototype.parseBindingRestElement=function(e,t){var n=this.createNode();this.expect("...");var r=this.parsePattern(e,t);return this.finalize(n,new a.RestElement(r))},e.prototype.parseArrayPattern=function(e,t){var n=this.createNode();this.expect("[");for(var r=[];!this.match("]");)if(this.match(","))this.nextToken(),r.push(null);else{if(this.match("...")){r.push(this.parseBindingRestElement(e,t));break}r.push(this.parsePatternWithDefault(e,t)),this.match("]")||this.expect(",")}return this.expect("]"),this.finalize(n,new a.ArrayPattern(r))},e.prototype.parsePropertyPattern=function(e,t){var n,r,o=this.createNode(),i=!1,s=!1;if(3===this.lookahead.type){var l=this.lookahead;n=this.parseVariableIdentifier();var u=this.finalize(o,new a.Identifier(l.value));if(this.match("=")){e.push(l),s=!0,this.nextToken();var c=this.parseAssignmentExpression();r=this.finalize(this.startNode(l),new a.AssignmentPattern(u,c))}else this.match(":")?(this.expect(":"),r=this.parsePatternWithDefault(e,t)):(e.push(l),s=!0,r=u)}else i=this.match("["),n=this.parseObjectPropertyKey(),this.expect(":"),r=this.parsePatternWithDefault(e,t);return this.finalize(o,new a.Property("init",n,i,r,!1,s))},e.prototype.parseObjectPattern=function(e,t){var n=this.createNode(),r=[];for(this.expect("{");!this.match("}");)r.push(this.parsePropertyPattern(e,t)),this.match("}")||this.expect(",");return this.expect("}"),this.finalize(n,new a.ObjectPattern(r))},e.prototype.parsePattern=function(e,t){var n;return this.match("[")?n=this.parseArrayPattern(e,t):this.match("{")?n=this.parseObjectPattern(e,t):(!this.matchKeyword("let")||"const"!==t&&"let"!==t||this.tolerateUnexpectedToken(this.lookahead,i.Messages.LetInLexicalBinding),e.push(this.lookahead),n=this.parseVariableIdentifier(t)),n},e.prototype.parsePatternWithDefault=function(e,t){var n=this.lookahead,r=this.parsePattern(e,t);if(this.match("=")){this.nextToken();var o=this.context.allowYield;this.context.allowYield=!0;var i=this.isolateCoverGrammar(this.parseAssignmentExpression);this.context.allowYield=o,r=this.finalize(this.startNode(n),new a.AssignmentPattern(r,i))}return r},e.prototype.parseVariableIdentifier=function(e){var t=this.createNode(),n=this.nextToken();return 4===n.type&&"yield"===n.value?this.context.strict?this.tolerateUnexpectedToken(n,i.Messages.StrictReservedWord):this.context.allowYield||this.throwUnexpectedToken(n):3!==n.type?this.context.strict&&4===n.type&&this.scanner.isStrictModeReservedWord(n.value)?this.tolerateUnexpectedToken(n,i.Messages.StrictReservedWord):(this.context.strict||"let"!==n.value||"var"!==e)&&this.throwUnexpectedToken(n):(this.context.isModule||this.context.await)&&3===n.type&&"await"===n.value&&this.tolerateUnexpectedToken(n),this.finalize(t,new a.Identifier(n.value))},e.prototype.parseVariableDeclaration=function(e){var t=this.createNode(),n=this.parsePattern([],"var");this.context.strict&&n.type===l.Syntax.Identifier&&this.scanner.isRestrictedWord(n.name)&&this.tolerateError(i.Messages.StrictVarName);var r=null;return this.match("=")?(this.nextToken(),r=this.isolateCoverGrammar(this.parseAssignmentExpression)):n.type===l.Syntax.Identifier||e.inFor||this.expect("="),this.finalize(t,new a.VariableDeclarator(n,r))},e.prototype.parseVariableDeclarationList=function(e){var t={inFor:e.inFor},n=[];for(n.push(this.parseVariableDeclaration(t));this.match(",");)this.nextToken(),n.push(this.parseVariableDeclaration(t));return n},e.prototype.parseVariableStatement=function(){var e=this.createNode();this.expectKeyword("var");var t=this.parseVariableDeclarationList({inFor:!1});return this.consumeSemicolon(),this.finalize(e,new a.VariableDeclaration(t,"var"))},e.prototype.parseEmptyStatement=function(){var e=this.createNode();return this.expect(";"),this.finalize(e,new a.EmptyStatement)},e.prototype.parseExpressionStatement=function(){var e=this.createNode(),t=this.parseExpression();return this.consumeSemicolon(),this.finalize(e,new a.ExpressionStatement(t))},e.prototype.parseIfClause=function(){return this.context.strict&&this.matchKeyword("function")&&this.tolerateError(i.Messages.StrictFunction),this.parseStatement()},e.prototype.parseIfStatement=function(){var e,t=this.createNode(),n=null;this.expectKeyword("if"),this.expect("(");var r=this.parseExpression();return!this.match(")")&&this.config.tolerant?(this.tolerateUnexpectedToken(this.nextToken()),e=this.finalize(this.createNode(),new a.EmptyStatement)):(this.expect(")"),e=this.parseIfClause(),this.matchKeyword("else")&&(this.nextToken(),n=this.parseIfClause())),this.finalize(t,new a.IfStatement(r,e,n))},e.prototype.parseDoWhileStatement=function(){var e=this.createNode();this.expectKeyword("do");var t=this.context.inIteration;this.context.inIteration=!0;var n=this.parseStatement();this.context.inIteration=t,this.expectKeyword("while"),this.expect("(");var r=this.parseExpression();return!this.match(")")&&this.config.tolerant?this.tolerateUnexpectedToken(this.nextToken()):(this.expect(")"),this.match(";")&&this.nextToken()),this.finalize(e,new a.DoWhileStatement(n,r))},e.prototype.parseWhileStatement=function(){var e,t=this.createNode();this.expectKeyword("while"),this.expect("(");var n=this.parseExpression();if(!this.match(")")&&this.config.tolerant)this.tolerateUnexpectedToken(this.nextToken()),e=this.finalize(this.createNode(),new a.EmptyStatement);else{this.expect(")");var r=this.context.inIteration;this.context.inIteration=!0,e=this.parseStatement(),this.context.inIteration=r}return this.finalize(t,new a.WhileStatement(n,e))},e.prototype.parseForStatement=function(){var e,t,n,r=null,o=null,s=null,u=!0,c=this.createNode();if(this.expectKeyword("for"),this.expect("("),this.match(";"))this.nextToken();else if(this.matchKeyword("var")){r=this.createNode(),this.nextToken();var d=this.context.allowIn;this.context.allowIn=!1;var p=this.parseVariableDeclarationList({inFor:!0});if(this.context.allowIn=d,1===p.length&&this.matchKeyword("in")){var f=p[0];f.init&&(f.id.type===l.Syntax.ArrayPattern||f.id.type===l.Syntax.ObjectPattern||this.context.strict)&&this.tolerateError(i.Messages.ForInOfLoopInitializer,"for-in"),r=this.finalize(r,new a.VariableDeclaration(p,"var")),this.nextToken(),e=r,t=this.parseExpression(),r=null}else 1===p.length&&null===p[0].init&&this.matchContextualKeyword("of")?(r=this.finalize(r,new a.VariableDeclaration(p,"var")),this.nextToken(),e=r,t=this.parseAssignmentExpression(),r=null,u=!1):(r=this.finalize(r,new a.VariableDeclaration(p,"var")),this.expect(";"))}else if(this.matchKeyword("const")||this.matchKeyword("let")){r=this.createNode();var h=this.nextToken().value;this.context.strict||"in"!==this.lookahead.value?(d=this.context.allowIn,this.context.allowIn=!1,p=this.parseBindingList(h,{inFor:!0}),this.context.allowIn=d,1===p.length&&null===p[0].init&&this.matchKeyword("in")?(r=this.finalize(r,new a.VariableDeclaration(p,h)),this.nextToken(),e=r,t=this.parseExpression(),r=null):1===p.length&&null===p[0].init&&this.matchContextualKeyword("of")?(r=this.finalize(r,new a.VariableDeclaration(p,h)),this.nextToken(),e=r,t=this.parseAssignmentExpression(),r=null,u=!1):(this.consumeSemicolon(),r=this.finalize(r,new a.VariableDeclaration(p,h)))):(r=this.finalize(r,new a.Identifier(h)),this.nextToken(),e=r,t=this.parseExpression(),r=null)}else{var m=this.lookahead;if(d=this.context.allowIn,this.context.allowIn=!1,r=this.inheritCoverGrammar(this.parseAssignmentExpression),this.context.allowIn=d,this.matchKeyword("in"))this.context.isAssignmentTarget&&r.type!==l.Syntax.AssignmentExpression||this.tolerateError(i.Messages.InvalidLHSInForIn),this.nextToken(),this.reinterpretExpressionAsPattern(r),e=r,t=this.parseExpression(),r=null;else if(this.matchContextualKeyword("of"))this.context.isAssignmentTarget&&r.type!==l.Syntax.AssignmentExpression||this.tolerateError(i.Messages.InvalidLHSInForLoop),this.nextToken(),this.reinterpretExpressionAsPattern(r),e=r,t=this.parseAssignmentExpression(),r=null,u=!1;else{if(this.match(",")){for(var g=[r];this.match(",");)this.nextToken(),g.push(this.isolateCoverGrammar(this.parseAssignmentExpression));r=this.finalize(this.startNode(m),new a.SequenceExpression(g))}this.expect(";")}}if(void 0===e&&(this.match(";")||(o=this.parseExpression()),this.expect(";"),this.match(")")||(s=this.parseExpression())),!this.match(")")&&this.config.tolerant)this.tolerateUnexpectedToken(this.nextToken()),n=this.finalize(this.createNode(),new a.EmptyStatement);else{this.expect(")");var v=this.context.inIteration;this.context.inIteration=!0,n=this.isolateCoverGrammar(this.parseStatement),this.context.inIteration=v}return void 0===e?this.finalize(c,new a.ForStatement(r,o,s,n)):u?this.finalize(c,new a.ForInStatement(e,t,n)):this.finalize(c,new a.ForOfStatement(e,t,n))},e.prototype.parseContinueStatement=function(){var e=this.createNode();this.expectKeyword("continue");var t=null;if(3===this.lookahead.type&&!this.hasLineTerminator){var n=this.parseVariableIdentifier();t=n;var r="$"+n.name;Object.prototype.hasOwnProperty.call(this.context.labelSet,r)||this.throwError(i.Messages.UnknownLabel,n.name)}return this.consumeSemicolon(),null!==t||this.context.inIteration||this.throwError(i.Messages.IllegalContinue),this.finalize(e,new a.ContinueStatement(t))},e.prototype.parseBreakStatement=function(){var e=this.createNode();this.expectKeyword("break");var t=null;if(3===this.lookahead.type&&!this.hasLineTerminator){var n=this.parseVariableIdentifier(),r="$"+n.name;Object.prototype.hasOwnProperty.call(this.context.labelSet,r)||this.throwError(i.Messages.UnknownLabel,n.name),t=n}return this.consumeSemicolon(),null!==t||this.context.inIteration||this.context.inSwitch||this.throwError(i.Messages.IllegalBreak),this.finalize(e,new a.BreakStatement(t))},e.prototype.parseReturnStatement=function(){this.context.inFunctionBody||this.tolerateError(i.Messages.IllegalReturn);var e=this.createNode();this.expectKeyword("return");var t=(this.match(";")||this.match("}")||this.hasLineTerminator||2===this.lookahead.type)&&8!==this.lookahead.type&&10!==this.lookahead.type?null:this.parseExpression();return this.consumeSemicolon(),this.finalize(e,new a.ReturnStatement(t))},e.prototype.parseWithStatement=function(){this.context.strict&&this.tolerateError(i.Messages.StrictModeWith);var e,t=this.createNode();this.expectKeyword("with"),this.expect("(");var n=this.parseExpression();return!this.match(")")&&this.config.tolerant?(this.tolerateUnexpectedToken(this.nextToken()),e=this.finalize(this.createNode(),new a.EmptyStatement)):(this.expect(")"),e=this.parseStatement()),this.finalize(t,new a.WithStatement(n,e))},e.prototype.parseSwitchCase=function(){var e,t=this.createNode();this.matchKeyword("default")?(this.nextToken(),e=null):(this.expectKeyword("case"),e=this.parseExpression()),this.expect(":");for(var n=[];!(this.match("}")||this.matchKeyword("default")||this.matchKeyword("case"));)n.push(this.parseStatementListItem());return this.finalize(t,new a.SwitchCase(e,n))},e.prototype.parseSwitchStatement=function(){var e=this.createNode();this.expectKeyword("switch"),this.expect("(");var t=this.parseExpression();this.expect(")");var n=this.context.inSwitch;this.context.inSwitch=!0;var r=[],o=!1;for(this.expect("{");!this.match("}");){var s=this.parseSwitchCase();null===s.test&&(o&&this.throwError(i.Messages.MultipleDefaultsInSwitch),o=!0),r.push(s)}return this.expect("}"),this.context.inSwitch=n,this.finalize(e,new a.SwitchStatement(t,r))},e.prototype.parseLabelledStatement=function(){var e,t=this.createNode(),n=this.parseExpression();if(n.type===l.Syntax.Identifier&&this.match(":")){this.nextToken();var r=n,o="$"+r.name;Object.prototype.hasOwnProperty.call(this.context.labelSet,o)&&this.throwError(i.Messages.Redeclaration,"Label",r.name),this.context.labelSet[o]=!0;var s=void 0;if(this.matchKeyword("class"))this.tolerateUnexpectedToken(this.lookahead),s=this.parseClassDeclaration();else if(this.matchKeyword("function")){var u=this.lookahead,c=this.parseFunctionDeclaration();this.context.strict?this.tolerateUnexpectedToken(u,i.Messages.StrictFunction):c.generator&&this.tolerateUnexpectedToken(u,i.Messages.GeneratorInLegacyContext),s=c}else s=this.parseStatement();delete this.context.labelSet[o],e=new a.LabeledStatement(r,s)}else this.consumeSemicolon(),e=new a.ExpressionStatement(n);return this.finalize(t,e)},e.prototype.parseThrowStatement=function(){var e=this.createNode();this.expectKeyword("throw"),this.hasLineTerminator&&this.throwError(i.Messages.NewlineAfterThrow);var t=this.parseExpression();return this.consumeSemicolon(),this.finalize(e,new a.ThrowStatement(t))},e.prototype.parseCatchClause=function(){var e=this.createNode();this.expectKeyword("catch"),this.expect("("),this.match(")")&&this.throwUnexpectedToken(this.lookahead);for(var t=[],n=this.parsePattern(t),r={},o=0;o0&&this.tolerateError(i.Messages.BadGetterArity);var r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!1))},e.prototype.parseSetterMethod=function(){var e=this.createNode(),t=this.context.allowYield;this.context.allowYield=!0;var n=this.parseFormalParameters();1!==n.params.length?this.tolerateError(i.Messages.BadSetterArity):n.params[0]instanceof a.RestElement&&this.tolerateError(i.Messages.BadSetterRestParameter);var r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!1))},e.prototype.parseGeneratorMethod=function(){var e=this.createNode(),t=this.context.allowYield;this.context.allowYield=!0;var n=this.parseFormalParameters();this.context.allowYield=!1;var r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!0))},e.prototype.isStartOfExpression=function(){var e=!0,t=this.lookahead.value;switch(this.lookahead.type){case 7:e="["===t||"("===t||"{"===t||"+"===t||"-"===t||"!"===t||"~"===t||"++"===t||"--"===t||"/"===t||"/="===t;break;case 4:e="class"===t||"delete"===t||"function"===t||"let"===t||"new"===t||"super"===t||"this"===t||"typeof"===t||"void"===t||"yield"===t}return e},e.prototype.parseYieldExpression=function(){var e=this.createNode();this.expectKeyword("yield");var t=null,n=!1;if(!this.hasLineTerminator){var r=this.context.allowYield;this.context.allowYield=!1,(n=this.match("*"))?(this.nextToken(),t=this.parseAssignmentExpression()):this.isStartOfExpression()&&(t=this.parseAssignmentExpression()),this.context.allowYield=r}return this.finalize(e,new a.YieldExpression(t,n))},e.prototype.parseClassElement=function(e){var t=this.lookahead,n=this.createNode(),r="",o=null,s=null,l=!1,u=!1,c=!1,d=!1;if(this.match("*"))this.nextToken();else if(l=this.match("["),"static"===(o=this.parseObjectPropertyKey()).name&&(this.qualifiedPropertyName(this.lookahead)||this.match("*"))&&(t=this.lookahead,c=!0,l=this.match("["),this.match("*")?this.nextToken():o=this.parseObjectPropertyKey()),3===t.type&&!this.hasLineTerminator&&"async"===t.value){var p=this.lookahead.value;":"!==p&&"("!==p&&"*"!==p&&(d=!0,t=this.lookahead,o=this.parseObjectPropertyKey(),3===t.type&&"constructor"===t.value&&this.tolerateUnexpectedToken(t,i.Messages.ConstructorIsAsync))}var f=this.qualifiedPropertyName(this.lookahead);return 3===t.type?"get"===t.value&&f?(r="get",l=this.match("["),o=this.parseObjectPropertyKey(),this.context.allowYield=!1,s=this.parseGetterMethod()):"set"===t.value&&f&&(r="set",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseSetterMethod()):7===t.type&&"*"===t.value&&f&&(r="init",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseGeneratorMethod(),u=!0),!r&&o&&this.match("(")&&(r="init",s=d?this.parsePropertyMethodAsyncFunction():this.parsePropertyMethodFunction(),u=!0),r||this.throwUnexpectedToken(this.lookahead),"init"===r&&(r="method"),l||(c&&this.isPropertyKey(o,"prototype")&&this.throwUnexpectedToken(t,i.Messages.StaticPrototype),!c&&this.isPropertyKey(o,"constructor")&&(("method"!==r||!u||s&&s.generator)&&this.throwUnexpectedToken(t,i.Messages.ConstructorSpecialMethod),e.value?this.throwUnexpectedToken(t,i.Messages.DuplicateConstructor):e.value=!0,r="constructor")),this.finalize(n,new 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t="0"!==e,n=s(e);return!this.eof()&&o.Character.isOctalDigit(this.source.charCodeAt(this.index))&&(t=!0,n=8*n+s(this.source[this.index++]),"0123".indexOf(e)>=0&&!this.eof()&&o.Character.isOctalDigit(this.source.charCodeAt(this.index))&&(n=8*n+s(this.source[this.index++]))),{code:n,octal:t}},e.prototype.scanIdentifier=function(){var e,t=this.index,n=92===this.source.charCodeAt(t)?this.getComplexIdentifier():this.getIdentifier();if(3!=(e=1===n.length?3:this.isKeyword(n)?4:"null"===n?5:"true"===n||"false"===n?1:3)&&t+n.length!==this.index){var r=this.index;this.index=t,this.tolerateUnexpectedToken(i.Messages.InvalidEscapedReservedWord),this.index=r}return{type:e,value:n,lineNumber:this.lineNumber,lineStart:this.lineStart,start:t,end:this.index}},e.prototype.scanPunctuator=function(){var e=this.index,t=this.source[this.index];switch(t){case"(":case"{":"{"===t&&this.curlyStack.push("{"),++this.index;break;case".":++this.index,"."===this.source[this.index]&&"."===this.source[this.index+1]&&(this.index+=2,t="...");break;case"}":++this.index,this.curlyStack.pop();break;case")":case";":case",":case"[":case"]":case":":case"?":case"~":++this.index;break;default:">>>="===(t=this.source.substr(this.index,4))?this.index+=4:"==="===(t=t.substr(0,3))||"!=="===t||">>>"===t||"<<="===t||">>="===t||"**="===t?this.index+=3:"&&"===(t=t.substr(0,2))||"||"===t||"=="===t||"!="===t||"+="===t||"-="===t||"*="===t||"/="===t||"++"===t||"--"===t||"<<"===t||">>"===t||"&="===t||"|="===t||"^="===t||"%="===t||"<="===t||">="===t||"=>"===t||"**"===t?this.index+=2:(t=this.source[this.index],"<>=!+-*%&|^/".indexOf(t)>=0&&++this.index)}return this.index===e&&this.throwUnexpectedToken(),{type:7,value:t,lineNumber:this.lineNumber,lineStart:this.lineStart,start:e,end:this.index}},e.prototype.scanHexLiteral=function(e){for(var t="";!this.eof()&&o.Character.isHexDigit(this.source.charCodeAt(this.index));)t+=this.source[this.index++];return 0===t.length&&this.throwUnexpectedToken(),o.Character.isIdentifierStart(this.source.charCodeAt(this.index))&&this.throwUnexpectedToken(),{type:6,value:parseInt("0x"+t,16),lineNumber:this.lineNumber,lineStart:this.lineStart,start:e,end:this.index}},e.prototype.scanBinaryLiteral=function(e){for(var t,n="";!this.eof()&&("0"===(t=this.source[this.index])||"1"===t);)n+=this.source[this.index++];return 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v[0]=e,v[1]=t,v[2]=n,v[3]=r,v[4]=o,v[5]=a,v[6]=s,v[7]=l,v[8]=u,v[9]=c,v[10]=d,v[11]=p,v[12]=f,v[13]=h,v[14]=m,v[15]=g,v}function p(e,t,n,r,o,i,a,s,l,u,c,d,p,f,h,m,g){return e[0]=t,e[1]=n,e[2]=r,e[3]=o,e[4]=i,e[5]=a,e[6]=s,e[7]=l,e[8]=u,e[9]=c,e[10]=d,e[11]=p,e[12]=f,e[13]=h,e[14]=m,e[15]=g,e}function f(e){return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e}function h(e,t){if(e===t){var n=t[1],r=t[2],o=t[3],i=t[6],a=t[7],s=t[11];e[1]=t[4],e[2]=t[8],e[3]=t[12],e[4]=n,e[6]=t[9],e[7]=t[13],e[8]=r,e[9]=i,e[11]=t[14],e[12]=o,e[13]=a,e[14]=s}else e[0]=t[0],e[1]=t[4],e[2]=t[8],e[3]=t[12],e[4]=t[1],e[5]=t[5],e[6]=t[9],e[7]=t[13],e[8]=t[2],e[9]=t[6],e[10]=t[10],e[11]=t[14],e[12]=t[3],e[13]=t[7],e[14]=t[11],e[15]=t[15];return e}function m(e,t){var n=t[0],r=t[1],o=t[2],i=t[3],a=t[4],s=t[5],l=t[6],u=t[7],c=t[8],d=t[9],p=t[10],f=t[11],h=t[12],m=t[13],g=t[14],v=t[15],y=n*s-r*a,b=n*l-o*a,x=n*u-i*a,_=r*l-o*s,T=r*u-i*s,S=o*u-i*l,w=c*m-d*h,C=c*g-p*h,A=c*v-f*h,E=d*g-p*m,D=d*v-f*m,I=p*v-f*g,O=y*I-b*D+x*E+_*A-T*C+S*w;return O?(O=1/O,e[0]=(s*I-l*D+u*E)*O,e[1]=(o*D-r*I-i*E)*O,e[2]=(m*S-g*T+v*_)*O,e[3]=(p*T-d*S-f*_)*O,e[4]=(l*A-a*I-u*C)*O,e[5]=(n*I-o*A+i*C)*O,e[6]=(g*x-h*S-v*b)*O,e[7]=(c*S-p*x+f*b)*O,e[8]=(a*D-s*A+u*w)*O,e[9]=(r*A-n*D-i*w)*O,e[10]=(h*T-m*x+v*y)*O,e[11]=(d*x-c*T-f*y)*O,e[12]=(s*C-a*E-l*w)*O,e[13]=(n*E-r*C+o*w)*O,e[14]=(m*b-h*_-g*y)*O,e[15]=(c*_-d*b+p*y)*O,e):null}function g(e,t){var n=t[0],r=t[1],o=t[2],i=t[3],a=t[4],s=t[5],l=t[6],u=t[7],c=t[8],d=t[9],p=t[10],f=t[11],h=t[12],m=t[13],g=t[14],v=t[15];return e[0]=s*(p*v-f*g)-d*(l*v-u*g)+m*(l*f-u*p),e[1]=-(r*(p*v-f*g)-d*(o*v-i*g)+m*(o*f-i*p)),e[2]=r*(l*v-u*g)-s*(o*v-i*g)+m*(o*u-i*l),e[3]=-(r*(l*f-u*p)-s*(o*f-i*p)+d*(o*u-i*l)),e[4]=-(a*(p*v-f*g)-c*(l*v-u*g)+h*(l*f-u*p)),e[5]=n*(p*v-f*g)-c*(o*v-i*g)+h*(o*f-i*p),e[6]=-(n*(l*v-u*g)-a*(o*v-i*g)+h*(o*u-i*l)),e[7]=n*(l*f-u*p)-a*(o*f-i*p)+c*(o*u-i*l),e[8]=a*(d*v-f*m)-c*(s*v-u*m)+h*(s*f-u*d),e[9]=-(n*(d*v-f*m)-c*(r*v-i*m)+h*(r*f-i*d)),e[10]=n*(s*v-u*m)-a*(r*v-i*m)+h*(r*u-i*s),e[11]=-(n*(s*f-u*d)-a*(r*f-i*d)+c*(r*u-i*s)),e[12]=-(a*(d*g-p*m)-c*(s*g-l*m)+h*(s*p-l*d)),e[13]=n*(d*g-p*m)-c*(r*g-o*m)+h*(r*p-o*d),e[14]=-(n*(s*g-l*m)-a*(r*g-o*m)+h*(r*l-o*s)),e[15]=n*(s*p-l*d)-a*(r*p-o*d)+c*(r*l-o*s),e}function v(e){var t=e[0],n=e[1],r=e[2],o=e[3],i=e[4],a=e[5],s=e[6],l=e[7],u=e[8],c=e[9],d=e[10],p=e[11],f=e[12],h=e[13],m=e[14],g=e[15];return(t*a-n*i)*(d*g-p*m)-(t*s-r*i)*(c*g-p*h)+(t*l-o*i)*(c*m-d*h)+(n*s-r*a)*(u*g-p*f)-(n*l-o*a)*(u*m-d*f)+(r*l-o*s)*(u*h-c*f)}function y(e,t,n){var r=t[0],o=t[1],i=t[2],a=t[3],s=t[4],l=t[5],u=t[6],c=t[7],d=t[8],p=t[9],f=t[10],h=t[11],m=t[12],g=t[13],v=t[14],y=t[15],b=n[0],x=n[1],_=n[2],T=n[3];return e[0]=b*r+x*s+_*d+T*m,e[1]=b*o+x*l+_*p+T*g,e[2]=b*i+x*u+_*f+T*v,e[3]=b*a+x*c+_*h+T*y,b=n[4],x=n[5],_=n[6],T=n[7],e[4]=b*r+x*s+_*d+T*m,e[5]=b*o+x*l+_*p+T*g,e[6]=b*i+x*u+_*f+T*v,e[7]=b*a+x*c+_*h+T*y,b=n[8],x=n[9],_=n[10],T=n[11],e[8]=b*r+x*s+_*d+T*m,e[9]=b*o+x*l+_*p+T*g,e[10]=b*i+x*u+_*f+T*v,e[11]=b*a+x*c+_*h+T*y,b=n[12],x=n[13],_=n[14],T=n[15],e[12]=b*r+x*s+_*d+T*m,e[13]=b*o+x*l+_*p+T*g,e[14]=b*i+x*u+_*f+T*v,e[15]=b*a+x*c+_*h+T*y,e}function b(e,t,n){var r,o,i,a,s,l,u,c,d,p,f,h,m=n[0],g=n[1],v=n[2];return t===e?(e[12]=t[0]*m+t[4]*g+t[8]*v+t[12],e[13]=t[1]*m+t[5]*g+t[9]*v+t[13],e[14]=t[2]*m+t[6]*g+t[10]*v+t[14],e[15]=t[3]*m+t[7]*g+t[11]*v+t[15]):(r=t[0],o=t[1],i=t[2],a=t[3],s=t[4],l=t[5],u=t[6],c=t[7],d=t[8],p=t[9],f=t[10],h=t[11],e[0]=r,e[1]=o,e[2]=i,e[3]=a,e[4]=s,e[5]=l,e[6]=u,e[7]=c,e[8]=d,e[9]=p,e[10]=f,e[11]=h,e[12]=r*m+s*g+d*v+t[12],e[13]=o*m+l*g+p*v+t[13],e[14]=i*m+u*g+f*v+t[14],e[15]=a*m+c*g+h*v+t[15]),e}function x(e,t,n){var r=n[0],o=n[1],i=n[2];return e[0]=t[0]*r,e[1]=t[1]*r,e[2]=t[2]*r,e[3]=t[3]*r,e[4]=t[4]*o,e[5]=t[5]*o,e[6]=t[6]*o,e[7]=t[7]*o,e[8]=t[8]*i,e[9]=t[9]*i,e[10]=t[10]*i,e[11]=t[11]*i,e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15],e}function _(e,t,n,r){var i,a,s,l,u,c,d,p,f,h,m,g,v,y,b,x,_,T,S,w,C,A,E,D,I=r[0],O=r[1],P=r[2],N=Math.hypot(I,O,P);return N0?(n[0]=2*(l*s+d*r+u*a-c*o)/p,n[1]=2*(u*s+d*o+c*r-l*a)/p,n[2]=2*(c*s+d*a+l*o-u*r)/p):(n[0]=2*(l*s+d*r+u*a-c*o),n[1]=2*(u*s+d*o+c*r-l*a),n[2]=2*(c*s+d*a+l*o-u*r)),P(e,t,n),e}function M(e,t){return e[0]=t[12],e[1]=t[13],e[2]=t[14],e}function R(e,t){var n=t[0],r=t[1],o=t[2],i=t[4],a=t[5],s=t[6],l=t[8],u=t[9],c=t[10];return e[0]=Math.hypot(n,r,o),e[1]=Math.hypot(i,a,s),e[2]=Math.hypot(l,u,c),e}function F(e,t){var n=new i(3);R(n,t);var r=1/n[0],o=1/n[1],a=1/n[2],s=t[0]*r,l=t[1]*o,u=t[2]*a,c=t[4]*r,d=t[5]*o,p=t[6]*a,f=t[8]*r,h=t[9]*o,m=t[10]*a,g=s+d+m,v=0;return g>0?(v=2*Math.sqrt(g+1),e[3]=.25*v,e[0]=(p-h)/v,e[1]=(f-u)/v,e[2]=(l-c)/v):s>d&&s>m?(v=2*Math.sqrt(1+s-d-m),e[3]=(p-h)/v,e[0]=.25*v,e[1]=(l+c)/v,e[2]=(f+u)/v):d>m?(v=2*Math.sqrt(1+d-s-m),e[3]=(f-u)/v,e[0]=(l+c)/v,e[1]=.25*v,e[2]=(p+h)/v):(v=2*Math.sqrt(1+m-s-d),e[3]=(l-c)/v,e[0]=(f+u)/v,e[1]=(p+h)/v,e[2]=.25*v),e}function k(e,t,n,r){var o=t[0],i=t[1],a=t[2],s=t[3],l=o+o,u=i+i,c=a+a,d=o*l,p=o*u,f=o*c,h=i*u,m=i*c,g=a*c,v=s*l,y=s*u,b=s*c,x=r[0],_=r[1],T=r[2];return e[0]=(1-(h+g))*x,e[1]=(p+b)*x,e[2]=(f-y)*x,e[3]=0,e[4]=(p-b)*_,e[5]=(1-(d+g))*_,e[6]=(m+v)*_,e[7]=0,e[8]=(f+y)*T,e[9]=(m-v)*T,e[10]=(1-(d+h))*T,e[11]=0,e[12]=n[0],e[13]=n[1],e[14]=n[2],e[15]=1,e}function L(e,t,n,r,o){var i=t[0],a=t[1],s=t[2],l=t[3],u=i+i,c=a+a,d=s+s,p=i*u,f=i*c,h=i*d,m=a*c,g=a*d,v=s*d,y=l*u,b=l*c,x=l*d,_=r[0],T=r[1],S=r[2],w=o[0],C=o[1],A=o[2],E=(1-(m+v))*_,D=(f+x)*_,I=(h-b)*_,O=(f-x)*T,P=(1-(p+v))*T,N=(g+y)*T,M=(h+b)*S,R=(g-y)*S,F=(1-(p+m))*S;return e[0]=E,e[1]=D,e[2]=I,e[3]=0,e[4]=O,e[5]=P,e[6]=N,e[7]=0,e[8]=M,e[9]=R,e[10]=F,e[11]=0,e[12]=n[0]+w-(E*w+O*C+M*A),e[13]=n[1]+C-(D*w+P*C+R*A),e[14]=n[2]+A-(I*w+N*C+F*A),e[15]=1,e}function B(e,t){var n=t[0],r=t[1],o=t[2],i=t[3],a=n+n,s=r+r,l=o+o,u=n*a,c=r*a,d=r*s,p=o*a,f=o*s,h=o*l,m=i*a,g=i*s,v=i*l;return e[0]=1-d-h,e[1]=c+v,e[2]=p-g,e[3]=0,e[4]=c-v,e[5]=1-u-h,e[6]=f+m,e[7]=0,e[8]=p+g,e[9]=f-m,e[10]=1-u-d,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e}function V(e,t,n,r,o,i,a){var s=1/(n-t),l=1/(o-r),u=1/(i-a);return e[0]=2*i*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=2*i*l,e[6]=0,e[7]=0,e[8]=(n+t)*s,e[9]=(o+r)*l,e[10]=(a+i)*u,e[11]=-1,e[12]=0,e[13]=0,e[14]=a*i*2*u,e[15]=0,e}function U(e,t,n,r,o){var i,a=1/Math.tan(t/2);return e[0]=a/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=a,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(i=1/(r-o),e[10]=(o+r)*i,e[14]=2*o*r*i):(e[10]=-1,e[14]=-2*r),e}Math.hypot||(Math.hypot=function(){for(var e=0,t=arguments.length;t--;)e+=arguments[t]*arguments[t];return Math.sqrt(e)});var G=U;function z(e,t,n,r,o){var i,a=1/Math.tan(t/2);return e[0]=a/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=a,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(i=1/(r-o),e[10]=o*i,e[14]=o*r*i):(e[10]=-1,e[14]=-r),e}function j(e,t,n,r){var o=Math.tan(t.upDegrees*Math.PI/180),i=Math.tan(t.downDegrees*Math.PI/180),a=Math.tan(t.leftDegrees*Math.PI/180),s=Math.tan(t.rightDegrees*Math.PI/180),l=2/(a+s),u=2/(o+i);return e[0]=l,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=u,e[6]=0,e[7]=0,e[8]=-(a-s)*l*.5,e[9]=(o-i)*u*.5,e[10]=r/(n-r),e[11]=-1,e[12]=0,e[13]=0,e[14]=r*n/(n-r),e[15]=0,e}function W(e,t,n,r,o,i,a){var s=1/(t-n),l=1/(r-o),u=1/(i-a);return e[0]=-2*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*l,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=2*u,e[11]=0,e[12]=(t+n)*s,e[13]=(o+r)*l,e[14]=(a+i)*u,e[15]=1,e}var H=W;function X(e,t,n,r,o,i,a){var s=1/(t-n),l=1/(r-o),u=1/(i-a);return e[0]=-2*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*l,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=u,e[11]=0,e[12]=(t+n)*s,e[13]=(o+r)*l,e[14]=i*u,e[15]=1,e}function K(e,t,n,r){var i,a,s,l,u,c,d,p,h,m,g=t[0],v=t[1],y=t[2],b=r[0],x=r[1],_=r[2],T=n[0],S=n[1],w=n[2];return Math.abs(g-T)0&&(c*=f=1/Math.sqrt(f),d*=f,p*=f);var h=l*p-u*d,m=u*c-s*p,g=s*d-l*c;return(f=h*h+m*m+g*g)>0&&(h*=f=1/Math.sqrt(f),m*=f,g*=f),e[0]=h,e[1]=m,e[2]=g,e[3]=0,e[4]=d*g-p*m,e[5]=p*h-c*g,e[6]=c*m-d*h,e[7]=0,e[8]=c,e[9]=d,e[10]=p,e[11]=0,e[12]=o,e[13]=i,e[14]=a,e[15]=1,e}function 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Ai(e,t){t.classHierarchy.push("vtkPlane"),e.distanceToPlane=e=>bi(e,t.origin,t.normal),e.projectPoint=(e,n)=>{xi(e,t.origin,t.normal,n)},e.projectVector=(e,n)=>_i(e,t.normal,n),e.push=e=>{if(0!==e)for(let n=0;n<3;n++)t.origin[n]+=e*t.normal[n]},e.generalizedProjectPoint=(e,n)=>{Ti(e,t.origin,t.normal,n)},e.evaluateFunction=(e,n,r)=>Array.isArray(e)?t.normal[0]*(e[0]-t.origin[0])+t.normal[1]*(e[1]-t.origin[1])+t.normal[2]*(e[2]-t.origin[2]):t.normal[0]*(e-t.origin[0])+t.normal[1]*(n-t.origin[1])+t.normal[2]*(r-t.origin[2]),e.evaluateGradient=e=>[t.normal[0],t.normal[1],t.normal[2]],e.intersectWithLine=(e,n)=>Si(e,n,t.origin,t.normal),e.intersectWithPlane=(e,n)=>wi(e,n,t.origin,t.normal)}const Ei={normal:[0,0,1],origin:[0,0,0]};function Di(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ei,n),gt.obj(e,t),gt.setGetArray(e,t,["normal","origin"],3),Ai(e,t)}var Ii={newInstance:gt.newInstance(Di,"vtkPlane"),extend:Di,...Ci};function Oi(e,t,n,r){const o=n[0]-t[0],i=n[1]-t[1],a=n[2]-t[2],s=e[0]-t[0],l=e[1]-t[1],u=e[2]-t[2];r[0]=i*u-a*l,r[1]=a*s-o*u,r[2]=o*l-i*s}function Pi(e,t,n,r){Oi(e,t,n,r);const o=Math.sqrt(r[0]*r[0]+r[1]*r[1]+r[2]*r[2]);0!==o&&(r[0]/=o,r[1]/=o,r[2]/=o)}const Ni={computeNormalDirection:Oi,computeNormal:Pi,intersectWithTriangle:function(e,t,n,r,o,i){let a=arguments.length>6&&void 0!==arguments[6]?arguments[6]:1e-6,s=!1;const l=[],u=[],c=[],d=[],p=[];Pi(e,t,n,d),Pi(r,o,i,p);const f=-Ln(d,e),h=-Ln(p,r),m=[Ln(p,e)+h,Ln(p,t)+h,Ln(p,n)+h];if(m[0]*m[1]>a&&m[0]*m[2]>a)return{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};const g=[Ln(d,r)+f,Ln(d,o)+f,Ln(d,i)+f];if(g[0]*g[1]>a&&g[0]*g[2]>a)return{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};if(Math.abs(d[0]-p[0])<1e-9&&Math.abs(d[1]-p[1])<1e-9&&Math.abs(d[2]-p[2])<1e-9&&Math.abs(f-h)<1e-9)return s=!0,{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};const 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pa(e,t){t.classHierarchy.push("vtkOpenGLCellArrayBufferObject"),e.setType(ta.ARRAY_BUFFER),e.createVBO=function(n,r,o,i){let a=arguments.length>4&&void 0!==arguments[4]?arguments[4]:null;if(!n.getData()||!n.getData().length)return t.elementCount=0,0;t.blockSize=3,t.vertexOffset=0,t.normalOffset=0,t.tCoordOffset=0,t.tCoordComponents=0,t.colorComponents=0,t.colorOffset=0,t.customData=[];const s=i.points.getData();let l=null,u=null,c=null;const 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R=i.vertexOffset;f=function(e){if(a&&(a.points[R]=e,a.cells[R]=b+i.cellOffset),++R,h=3*e,t.coordShiftAndScaleEnabled?(D[I++]=(s[h++]-t.coordShift[0])*t.coordScale[0],D[I++]=(s[h++]-t.coordShift[1])*t.coordScale[1],D[I++]=(s[h++]-t.coordShift[2])*t.coordScale[2]):(D[I++]=s[h++],D[I++]=s[h++],D[I++]=s[h++]),null!==l&&(m=i.haveCellNormals?3*(b+i.cellOffset):3*e,D[I++]=l[m++],D[I++]=l[m++],D[I++]=l[m++]),t.customData.forEach((t=>{y=e*t.components;for(let e=0;e{null===e||e.constructor===Float64Array&&3===e.length?null===n||n.constructor===Float64Array&&3===n.length?(null!==t.coordShift&&null!==e&&en(e,t.coordShift)||(t.coordShift=e),null!==t.coordScale&&null!==n&&en(n,t.coordScale)||(t.coordScale=n),t.coordShiftAndScaleEnabled=function(e,t){return null!==e&&null!==t&&!(Zt(e,[0,0,0])&&Zt(t,[1,1,1]))}(t.coordShift,t.coordScale),t.coordShiftAndScaleEnabled?t.inverseShiftAndScaleMatrix=function(e,t){const n=new Float64Array(3);Xt(n,t);const r=new Float64Array(16);return 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va(e,t){t.classHierarchy.push("vtkShader"),e.compile=()=>{let e=t.context.VERTEX_SHADER;if(!t.source||!t.source.length||"Unknown"===t.shaderType)return!1;if(0!==t.handle&&(t.context.deleteShader(t.handle),t.handle=0),e="Fragment"===t.shaderType?t.context.FRAGMENT_SHADER:t.context.VERTEX_SHADER,t.handle=t.context.createShader(e),t.context.shaderSource(t.handle,t.source),t.context.compileShader(t.handle),!t.context.getShaderParameter(t.handle,t.context.COMPILE_STATUS)){const e=t.context.getShaderInfoLog(t.handle);return ga(`Error compiling shader '${t.source}': ${e}`),t.context.deleteShader(t.handle),t.handle=0,!1}return!0},e.cleanup=()=>{"Unknown"!==t.shaderType&&0!==t.handle&&(t.context.deleteShader(t.handle),t.handle=0,t.dirty=!0)}}const ya={shaderType:"Unknown",source:"",error:"",handle:0,dirty:!1,context:null};function ba(e,t){let n=arguments.length>2&&void 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No such uniform.`,!1;for(var o=arguments.length,i=new Array(o>1?o-1:0),a=1;a{const o=e.findUniform(n);return-1===o?(t.error=`Could not set uniform ${n} . No such uniform.`,!1):(t.context.uniform4fv(o,r),!0)},e.setUniform4i=function(n){const r=e.findUniform(n);if(-1===r)return t.error=`Could not set uniform ${n} . No such uniform.`,!1;for(var o=arguments.length,i=new Array(o>1?o-1:0),a=1;a{const o=e.findUniform(n);return-1===o?(t.error=`Could not set uniform ${n} . 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program.",!1):(t.context.detachShader(t.handle,e.getHandle()),t.vertexShaderHandle=0,t.linked=!1,!0);case"Fragment":return t.fragmentShaderHandle!==e.getHandle()?(t.error="The supplied shader was not attached to this program.",!1):(t.context.detachShader(t.handle,e.getHandle()),t.fragmentShaderHandle=0,t.linked=!1,!0);default:return!1}},e.setContext=e=>{t.context=e,t.vertexShader.setContext(e),t.fragmentShader.setContext(e),t.geometryShader.setContext(e)},e.setLastCameraMTime=e=>{t.lastCameraMTime=e}}const Sa={vertexShaderHandle:0,fragmentShaderHandle:0,geometryShaderHandle:0,vertexShader:null,fragmentShader:null,geometryShader:null,linked:!1,bound:!1,compiled:!1,error:"",handle:0,numberOfOutputs:0,attributesLocs:null,uniformLocs:null,md5Hash:0,context:null,lastCameraMTime:null};function wa(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Sa,n),t.attributesLocs={},t.uniformLocs={},t.vertexShader=xa.newInstance(),t.vertexShader.setShaderType("Vertex"),t.fragmentShader=xa.newInstance(),t.fragmentShader.setShaderType("Fragment"),t.geometryShader=xa.newInstance(),t.geometryShader.setShaderType("Geometry"),gt.obj(e,t),gt.get(e,t,["lastCameraMTime"]),gt.setGet(e,t,["error","handle","compiled","bound","md5Hash","vertexShader","fragmentShader","geometryShader","linked"]),Ta(e,t)}var Ca={newInstance:gt.newInstance(wa,"vtkShaderProgram"),extend:wa,substitute:function(e,t,n,r){const o="string"==typeof n?n:n.join("\n"),i=!1===r?t:new RegExp(t,"g"),a=e.replace(i,o);return{replace:a!==o,result:a}}};function Aa(e,t){t.classHierarchy.push("vtkOpenGLVertexArrayObject"),e.exposedMethod=()=>{},e.initialize=()=>{t.instancingExtension=null,t._openGLRenderWindow.getWebgl2()||(t.instancingExtension=t.context.getExtension("ANGLE_instanced_arrays")),!t.forceEmulation&&t._openGLRenderWindow&&t._openGLRenderWindow.getWebgl2()?(t.extension=null,t.supported=!0,t.handleVAO=t.context.createVertexArray()):(t.extension=t.context.getExtension("OES_vertex_array_object"),!t.forceEmulation&&t.extension?(t.supported=!0,t.handleVAO=t.extension.createVertexArrayOES()):t.supported=!1)},e.isReady=()=>0!==t.handleVAO||!1===t.supported,e.bind=()=>{if(e.isReady()||e.initialize(),e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(t.handleVAO):t.context.bindVertexArray(t.handleVAO);else if(e.isReady()){const e=t.context;for(let n=0;n0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,1):e.vertexAttribDivisor(o.index+n,1))}}}},e.release=()=>{if(e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(null):t.context.bindVertexArray(null);else if(e.isReady()){const e=t.context;for(let n=0;n0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,0):e.vertexAttribDivisor(o.index+n,0)),e.disableVertexAttribArray(o.index+n)}}}},e.shaderProgramChanged=()=>{e.release(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.handleProgram=0},e.releaseGraphicsResources=()=>{e.shaderProgramChanged(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.supported=!0,t.handleProgram=0},e.addAttributeArray=(t,n,r,o,i,a,s,l)=>e.addAttributeArrayWithDivisor(t,n,r,o,i,a,s,l,0,!1),e.addAttributeArrayWithDivisor=(n,r,o,i,a,s,l,u,c,d)=>{if(!n)return!1;if(!n.isBound()||0===r.getHandle()||r.getType()!==ta.ARRAY_BUFFER)return!1;if(0===t.handleProgram&&(t.handleProgram=n.getHandle()),e.isReady()||e.initialize(),!e.isReady()||t.handleProgram!==n.getHandle())return!1;const p=t.context,f={};if(f.name=o,f.index=p.getAttribLocation(t.handleProgram,o),f.offset=i,f.stride=a,f.type=s,f.size=l,f.normalize=u,f.isMatrix=d,f.divisor=c,-1===f.Index)return!1;if(r.bind(),p.enableVertexAttribArray(f.index),p.vertexAttribPointer(f.index,f.size,f.type,f.normalize,f.stride,f.offset),c>0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f.index,1):p.vertexAttribDivisor(f.index,1)),f.buffer=r.getHandle(),!t.supported){let e=!1;for(let n=0;n{const d=e.addAttributeArrayWithDivisor(n,r,o,i,a,s,l,u,c,!0);if(!d)return d;const p=t.context,f=p.getAttribLocation(t.handleProgram,o);for(let e=1;e0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f+e,1):p.vertexAttribDivisor(f+e,1));return!0},e.removeAttributeArray=n=>{if(!e.isReady()||0===t.handleProgram)return!1;if(!t.supported)for(let e=0;e{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))}}const Ea={forceEmulation:!1,handleVAO:0,handleProgram:0,supported:!0,buffers:null,context:null};function Da(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ea,n),t.buffers=[],gt.obj(e,t),gt.get(e,t,["supported"]),gt.setGet(e,t,["forceEmulation"]),Aa(e,t)}var Ia={newInstance:gt.newInstance(Da,"vtkOpenGLVertexArrayObject"),extend:Da};const Oa={Start:0,Points:0,Lines:1,Tris:2,TriStrips:3,TrisEdges:4,TriStripsEdges:5,End:6};function Pa(e,t){t.classHierarchy.push("vtkOpenGLHelper"),e.setOpenGLRenderWindow=e=>{t.context=e.getContext(),t.program.setContext(t.context),t.VAO.setOpenGLRenderWindow(e),t.CABO.setOpenGLRenderWindow(e)},e.releaseGraphicsResources=e=>{t.VAO.releaseGraphicsResources(),t.CABO.releaseGraphicsResources(),t.CABO.setElementCount(0)},e.drawArrays=(n,r,o,i)=>{if(t.CABO.getElementCount()){const a=e.getOpenGLMode(o),s=e.haveWideLines(n,r),l=t.context,u=l.getParameter(l.DEPTH_WRITEMASK);t.pointPicking&&l.depthMask(!1),a===l.LINES&&s?(e.updateShaders(n,r,i),l.drawArraysInstanced(a,0,t.CABO.getElementCount(),2*Math.ceil(r.getProperty().getLineWidth()))):(l.lineWidth(r.getProperty().getLineWidth()),e.updateShaders(n,r,i),l.drawArrays(a,0,t.CABO.getElementCount()),l.lineWidth(1));const c=(a===l.POINTS?1:0)||(a===l.LINES?2:3);return t.pointPicking&&l.depthMask(u),t.CABO.getElementCount()/c}return 0},e.getOpenGLMode=e=>{if(t.pointPicking)return t.context.POINTS;const n=t.primitiveType;return e===ua.POINTS||n===Oa.Points?t.context.POINTS:e===ua.WIREFRAME||n===Oa.Lines||n===Oa.TrisEdges||n===Oa.TriStripsEdges?t.context.LINES:t.context.TRIANGLES},e.haveWideLines=(e,n)=>n.getProperty().getLineWidth()>1&&!(t.CABO.getOpenGLRenderWindow()&&t.CABO.getOpenGLRenderWindow().getHardwareMaximumLineWidth()>=n.getProperty().getLineWidth()),e.getNeedToRebuildShaders=(t,n,r)=>!!(r.getNeedToRebuildShaders(e,t,n)||0===e.getProgram()||e.getShaderSourceTime().getMTime(){if(e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};o.buildShaders(i,n,r);const a=t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==e.getProgram()&&(e.setProgram(a),e.getVAO().releaseGraphicsResources()),e.getShaderSourceTime().modified()}else t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgram(e.getProgram());e.getVAO().bind(),o.setMapperShaderParameters(e,n,r),o.setPropertyShaderParameters(e,n,r),o.setCameraShaderParameters(e,n,r),o.setLightingShaderParameters(e,n,r),o.invokeShaderCallbacks(e,n,r)},e.setMapperShaderParameters=(n,r,o)=>{if(e.haveWideLines(n,r)){e.getProgram().setUniform2f("viewportSize",o.usize,o.vsize);const t=parseFloat(r.getProperty().getLineWidth()),n=t/2;e.getProgram().setUniformf("lineWidthStepSize",t/Math.ceil(t)),e.getProgram().setUniformf("halfLineWidth",n)}t.primitiveType===Oa.Points||r.getProperty().getRepresentation()===ua.POINTS?e.getProgram().setUniformf("pointSize",r.getProperty().getPointSize()):t.pointPicking&&e.getProgram().setUniformf("pointSize",e.getPointPickingPrimitiveSize())},e.replaceShaderPositionVC=(n,r,o)=>{let i=n.Vertex;i=Ca.substitute(i,"//VTK::PositionVC::Dec",["//VTK::PositionVC::Dec","uniform float 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}"]).result),n.Vertex=i},e.getPointPickingPrimitiveSize=()=>t.primitiveType===Oa.Points?2:t.primitiveType===Oa.Lines?4:6,e.getAllocatedGPUMemoryInBytes=()=>e.getCABO().getAllocatedGPUMemoryInBytes()}const Na={context:null,program:null,shaderSourceTime:null,VAO:null,attributeUpdateTime:null,CABO:null,primitiveType:0,pointPicking:!1};function Ma(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Na,n),gt.obj(e,t),t.shaderSourceTime={},gt.obj(t.shaderSourceTime),t.attributeUpdateTime={},gt.obj(t.attributeUpdateTime),gt.setGet(e,t,["program","shaderSourceTime","VAO","attributeUpdateTime","CABO","primitiveType","pointPicking"]),t.program=Ca.newInstance(),t.VAO=Ia.newInstance(),t.CABO=ma.newInstance(),Pa(e,t)}var Ra={newInstance:gt.newInstance(Ma),extend:Ma,primTypes:Oa};const Fa=e=>e,ka=1e-6;class La{constructor(){let e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this.matrix=f(new Float64Array(16)),this.tmp=new 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Ka(e,t){t.classHierarchy.push("vtkImageDataOutlineFilter");const n={...e};e.requestData=(e,n)=>{const r=e[0];if(!r||!r.isA("vtkImageData"))return void Xa("Invalid or missing input");const o=r.getSpatialExtent();o?(t._cubeSource.setBounds(o),t._cubeSource.setMatrix(r.getIndexToWorld()),n[0]=t._cubeSource.getOutputData()):Xa("Unable to fetch spatial extents of input image.")},e.getMTime=()=>Math.max(n.getMTime(),t._cubeSource.getMTime()),e.setGenerateFaces=t._cubeSource.setGenerateFaces,e.setGenerateLines=t._cubeSource.setGenerateLines,e.getGenerateFaces=t._cubeSource.getGenerateFaces,e.getGenerateLines=t._cubeSource.getGenerateLines}const qa={};function $a(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,qa,n),gt.obj(e,t),gt.algo(e,t,1,1),t._cubeSource=Ha.newInstance(),gt.moveToProtected(e,t,["cubeSource","tmpOut"]),Ka(e,t)}var Ya={newInstance:gt.newInstance($a,"vtkImageDataOutlineFilter"),extend:$a};const Ja={CLAMP_TO_EDGE:0,REPEAT:1,MIRRORED_REPEAT:2},Qa={NEAREST:0,LINEAR:1,NEAREST_MIPMAP_NEAREST:2,NEAREST_MIPMAP_LINEAR:3,LINEAR_MIPMAP_NEAREST:4,LINEAR_MIPMAP_LINEAR:5};var Za={Wrap:Ja,Filter:Qa};const es=new Float32Array(1),ts=new Int32Array(es.buffer);var ns={fromHalf:function(e){const t=(32768&e)>>15,n=(31744&e)>>10,r=1023&e;return 0===n?(t?-1:1)*2**-14*(r/1024):31===n?r?NaN:1/0*(t?-1:1):(t?-1:1)*2**(n-15)*(1+r/1024)},toHalf:function(e){es[0]=e;const t=ts[0];let n=t>>16&32768,r=t>>12&2047;const o=t>>23&255;return o<103?n:o>142?(n|=31744,n|=(255===o?0:1)&&8388607&t,n):o<113?(r|=2048,n|=(r>>114-o)+(r>>113-o&1),n):(n|=o-112<<10|r>>1,n+=1&r,n)}};const{Wrap:rs,Filter:os}=Za,{VtkDataTypes:is}=Wr,{vtkDebugMacro:as,vtkErrorMacro:ss,vtkWarningMacro:ls}=vt,{toHalf:us}=ns;function cs(e,t){function n(e,n){let r=arguments.length>2&&void 0!==arguments[2]&&arguments[2];const o=[];let i=t.width*t.height*t.components;if(r&&(i*=t.depth),e!==is.FLOAT&&t.openGLDataType===t.context.FLOAT)for(let 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e=!1;if(t.context&&t.handle){let n=0;t.target===t.context.TEXTURE_2D?n=t.context.TEXTURE_BINDING_2D:ls("impossible case"),e=t.context.getIntegerv(n)===t.handle}return e},e.sendParameters=()=>{t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_S,e.getOpenGLWrapMode(t.wrapS)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_T,e.getOpenGLWrapMode(t.wrapT)),t._openGLRenderWindow.getWebgl2()&&t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_R,e.getOpenGLWrapMode(t.wrapR)),t.context.texParameteri(t.target,t.context.TEXTURE_MIN_FILTER,e.getOpenGLFilterMode(t.minificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_MAG_FILTER,e.getOpenGLFilterMode(t.magnificationFilter)),t._openGLRenderWindow.getWebgl2()&&(t.context.texParameteri(t.target,t.context.TEXTURE_BASE_LEVEL,t.baseLevel),t.context.texParameteri(t.target,t.context.TEXTURE_MAX_LEVEL,t.maxLevel)),t.sendParametersTime.modified()},e.getInternalFormat=(n,r)=>(t._forceInternalFormat||(t.internalFormat=e.getDefaultInternalFormat(n,r)),t.internalFormat||as(`Unable to find suitable internal format for T=${n} NC= ${r}`),t.internalFormat),e.getDefaultInternalFormat=(e,n)=>{let r=0;return r=t._openGLRenderWindow.getDefaultTextureInternalFormat(e,n,t.oglNorm16Ext,t.useHalfFloat),r||(r||(as("Unsupported internal texture type!"),as(`Unable to find suitable internal format for T=${e} NC= ${n}`)),r)},e.setInternalFormat=n=>{t._forceInternalFormat=!0,n!==t.internalFormat&&(t.internalFormat=n,e.modified())},e.getFormat=(n,r)=>(t.format=e.getDefaultFormat(n,r),t.format),e.getDefaultFormat=(e,n)=>{if(t._openGLRenderWindow.getWebgl2())switch(n){case 1:return t.context.RED;case 2:return t.context.RG;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}else switch(n){case 1:return t.context.LUMINANCE;case 2:return t.context.LUMINANCE_ALPHA;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}},e.resetFormatAndType=()=>{t.format=0,t.internalFormat=0,t._forceInternalFormat=!1,t.openGLDataType=0},e.getDefaultDataType=e=>{if(t._openGLRenderWindow.getWebgl2())switch(e){case is.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case t.oglNorm16Ext&&!t.useHalfFloat&&is.SHORT:return t.context.SHORT;case t.oglNorm16Ext&&!t.useHalfFloat&&is.UNSIGNED_SHORT:return t.context.UNSIGNED_SHORT;case t.useHalfFloat&&is.SHORT:case t.useHalfFloat&&is.UNSIGNED_SHORT:return t.context.HALF_FLOAT;case is.FLOAT:case is.VOID:default:return t.context.FLOAT}switch(e){case is.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case is.FLOAT:case is.VOID:default:if(t.context.getExtension("OES_texture_float")&&t.context.getExtension("OES_texture_float_linear"))return t.context.FLOAT;{const e=t.context.getExtension("OES_texture_half_float");if(e&&t.context.getExtension("OES_texture_half_float_linear"))return e.HALF_FLOAT_OES}return t.context.UNSIGNED_BYTE}},e.getOpenGLDataType=function(n){let r=arguments.length>1&&void 0!==arguments[1]&&arguments[1];return t.openGLDataType&&!r||(t.openGLDataType=e.getDefaultDataType(n)),t.openGLDataType},e.getShiftAndScale=()=>{let e=0,n=1;switch(t.openGLDataType){case t.context.BYTE:n=127.5,e=n-128;break;case t.context.UNSIGNED_BYTE:n=255,e=0;break;case t.context.SHORT:n=32767.5,e=n-32768;break;case t.context.UNSIGNED_SHORT:n=65536,e=0;break;case t.context.INT:n=2147483647.5,e=n-2147483648;break;case t.context.UNSIGNED_INT:n=4294967295,e=0;case t.context.FLOAT:}return{shift:e,scale:n}},e.getOpenGLFilterMode=e=>{switch(e){case os.NEAREST:return t.context.NEAREST;case os.LINEAR:return t.context.LINEAR;case os.NEAREST_MIPMAP_NEAREST:return t.context.NEAREST_MIPMAP_NEAREST;case os.NEAREST_MIPMAP_LINEAR:return t.context.NEAREST_MIPMAP_LINEAR;case os.LINEAR_MIPMAP_NEAREST:return t.context.LINEAR_MIPMAP_NEAREST;case os.LINEAR_MIPMAP_LINEAR:return t.context.LINEAR_MIPMAP_LINEAR;default:return t.context.NEAREST}},e.getOpenGLWrapMode=e=>{switch(e){case rs.CLAMP_TO_EDGE:return t.context.CLAMP_TO_EDGE;case rs.REPEAT:return t.context.REPEAT;case rs.MIRRORED_REPEAT:return t.context.MIRRORED_REPEAT;default:return t.context.CLAMP_TO_EDGE}},e.create2DFromRaw=function(i,a,s,l,u){let c=arguments.length>5&&void 0!==arguments[5]&&arguments[5];if(e.getOpenGLDataType(l,!0),e.getInternalFormat(l,s),e.getFormat(l,s),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=s,t.width=i,t.height=a,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=[u],p=n(l,d),f=r(p);return t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,c),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(l)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=f[0]&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,f[0])):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,f[0]),t.generateMipmap&&t.context.generateMipmap(t.target),c&&t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,!1),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*s*t._openGLRenderWindow.getDefaultTextureByteSize(l,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.createCubeFromRaw=(i,a,s,l,u)=>{if(e.getOpenGLDataType(l),e.getInternalFormat(l,s),e.getFormat(l,s),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_CUBE_MAP,t.components=s,t.width=i,t.height=a,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),t.maxLevel=u.length/6-1,e.createTexture(),e.bind();const c=r(n(l,u)),d=[];let p=t.width,f=t.height;for(let e=0;e=1&&i>=1;){let a=null;n<=t.maxLevel&&(a=d[6*n+e]),o(l)?null!=a&&t.context.texSubImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,0,0,r,i,t.format,t.openGLDataType,a):t.context.texImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,t.internalFormat,r,i,0,t.format,t.openGLDataType,a),n++,r/=2,i/=2}}return t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*s*t._openGLRenderWindow.getDefaultTextureByteSize(l,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.createDepthFromRaw=(n,r,i,a)=>(e.getOpenGLDataType(i),t.format=t.context.DEPTH_COMPONENT,t._openGLRenderWindow.getWebgl2()?i===is.FLOAT?t.internalFormat=t.context.DEPTH_COMPONENT32F:t.internalFormat=t.context.DEPTH_COMPONENT16:t.internalFormat=t.context.DEPTH_COMPONENT,t.internalFormat&&t.format&&t.openGLDataType?(t.target=t.context.TEXTURE_2D,t.components=1,t.width=n,t.height=r,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(i)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=a&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,a)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,a),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(i,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0):(ss("Failed to determine texture parameters."),!1)),e.create2DFromImage=n=>{if(e.getOpenGLDataType(is.UNSIGNED_CHAR),e.getInternalFormat(is.UNSIGNED_CHAR,4),e.getFormat(is.UNSIGNED_CHAR,4),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=4,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1);const r=!(t._openGLRenderWindow.getWebgl2()||On(n.width)&&On(n.height)),i=document.createElement("canvas");i.width=r?In(n.width):n.width,i.height=r?In(n.height):n.height,t.width=i.width,t.height=i.height;const a=i.getContext("2d");a.translate(0,i.height),a.scale(1,-1),a.drawImage(n,0,0,n.width,n.height,0,0,i.width,i.height);const s=i;return o(is.UNSIGNED_CHAR)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=s&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,s)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,s),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(is.UNSIGNED_CHAR,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.create2DFilterableFromRaw=function(t,n,r,o,i){let a=arguments.length>5&&void 0!==arguments[5]&&arguments[5];return e.create2DFilterableFromDataArray(t,n,Wr.newInstance({numberOfComponents:r,dataType:o,values:i}),a)},e.create2DFilterableFromDataArray=function(t,n,r){let o=arguments.length>3&&void 0!==arguments[3]&&arguments[3];const{numComps:a,dataType:s,data:l}=i(r,o);e.create2DFromRaw(t,n,a,s,l)},e.create3DFromRaw=(i,a,s,l,u,c)=>{if(e.getOpenGLDataType(u),e.getInternalFormat(u,l),e.getFormat(u,l),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_3D,t.components=l,t.width=i,t.height=a,t.depth=s,t.numberOfDimensions=3,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=r(n(u,[c],!0));return 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I=Math.floor(n/x),O=Math.floor(r/_);for(let e=0;e{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.getMaximumTextureSize=e=>e&&e.isCurrent()?e.getIntegerv(e.MAX_TEXTURE_SIZE):-1}const ds={_openGLRenderWindow:null,_forceInternalFormat:!1,context:null,handle:0,sendParametersTime:null,textureBuildTime:null,numberOfDimensions:0,target:0,format:0,openGLDataType:0,components:0,width:0,height:0,depth:0,autoParameters:!0,wrapS:rs.CLAMP_TO_EDGE,wrapT:rs.CLAMP_TO_EDGE,wrapR:rs.CLAMP_TO_EDGE,minificationFilter:os.NEAREST,magnificationFilter:os.NEAREST,minLOD:-1e3,maxLOD:1e3,baseLevel:0,maxLevel:1e3,generateMipmap:!1,useHalfFloat:!0,oglNorm16Ext:null,allocatedGPUMemoryInBytes:0};function ps(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ds,n),Tt.extend(e,t,n),t.sendParametersTime={},je(t.sendParametersTime,{mtime:0}),t.textureBuildTime={},je(t.textureBuildTime,{mtime:0}),qe(e,t,["format","openGLDataType"]),$e(e,t,["keyMatrixTime","minificationFilter","magnificationFilter","wrapS","wrapT","wrapR","generateMipmap","oglNorm16Ext"]),He(e,t,["width","height","volumeInfo","components","handle","target","allocatedGPUMemoryInBytes"]),Ze(0,t,["openGLRenderWindow"]),cs(e,t)}const fs=rt(ps,"vtkOpenGLTexture");var hs={newInstance:fs,extend:ps,...Za};Dt("vtkTexture",fs);var ms=function(e,t){e.replaceShaderCoincidentOffset=(n,r,o)=>{const i=e.getCoincidentParameters(r,o);if(i&&(0!==i.factor||0!==i.offset)){let e=n.Fragment;e=Ca.substitute(e,"//VTK::Coincident::Dec",["uniform float cfactor;","uniform float coffset;"]).result,t.context.getExtension("EXT_frag_depth")&&(0!==i.factor?(e=Ca.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + 0.000016*coffset;").result),t._openGLRenderWindow.getWebgl2()&&(0!==i.factor?(e=Ca.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + 0.000016*coffset;").result),n.Fragment=e}}},gs=function(e,t){e.applyShaderReplacements=(e,t,n)=>{let r=null;if(t&&(r=t.ShaderReplacements),r)for(let t=0;t{e.getReplacedShaderTemplate(n,r,o),t.lastRenderPassShaderReplacement=t.currentRenderPass?t.currentRenderPass.getShaderReplacement():null,t.lastRenderPassShaderReplacement&&t.lastRenderPassShaderReplacement(n);const i=t.renderable.getViewSpecificProperties().OpenGL;e.applyShaderReplacements(n,i,!0),e.replaceShaderValues(n,r,o),e.applyShaderReplacements(n,i)},e.getReplacedShaderTemplate=(n,r,o)=>{const i=t.renderable.getViewSpecificProperties().OpenGL;e.getShaderTemplate(n,r,o);let a=n.Vertex;if(i){const e=i.VertexShaderCode;void 0!==e&&""!==e&&(a=e)}n.Vertex=a;let s=n.Fragment;if(i){const e=i.FragmentShaderCode;void 0!==e&&""!==e&&(s=e)}n.Fragment=s;let l=n.Geometry;if(i){const e=i.GeometryShaderCode;void 0!==e&&(l=e)}n.Geometry=l}};let vs;function ys(e,t){t.classHierarchy.push("vtkAbstractTransform","vtkHomogeneousTransform","vtkTransform"),e.transformPoint=(e,n)=>(Yt(n,e,t.matrix),n),e.transformPoints=(e,n)=>{const r=new Float64Array(3),o=new Float64Array(3);for(let i=0;i{e.setPreMultiplyFlag(!0)},e.postMultiply=()=>{e.setPreMultiplyFlag(!1)},e.transformMatrix=(e,n)=>(t.preMultiplyFlag?y(n,t.matrix,e):y(n,e,t.matrix),n),e.transformMatrices=(e,n)=>{const r=new Float64Array(16),o=new Float64Array(16),i=t.preMultiplyFlag?()=>y(o,t.matrix,r):()=>y(o,r,t.matrix);for(let t=0;tvs({matrix:Pr.invertMatrix(Array.from(t.matrix),[],4),preMultiplyFlag:t.preMultiplyFlag})}const bs={preMultiplyFlag:!1,matrix:[...un]};function xs(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,bs,n),gt.obj(e,t),gt.setGet(e,t,["preMultiplyFlag"]),gt.setGetArray(e,t,["matrix"],16),ys(e,t)}vs=gt.newInstance(xs,"vtkTransform");var _s={newInstance:vs,extend:xs};const Ts=0,{vtkErrorMacro:Ss}=vt;function ws(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function Cs(e,t,n){return t.identity(n),e.reduce(((e,n,r)=>0===r?n?t.copy(e,n):t.identity(e):n?t.multiply(e,e,n):e),n)}function As(e,t){t.classHierarchy.push("vtkOpenGLImageResliceMapper"),e.buildPass=n=>{if(n){t.currentRenderPass=null,t._openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const n=t._openGLRenderer.getRenderable();t._openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera()),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow)}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t._openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getInputData(),t.currentInput?(e.updateResliceGeometry(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r),e.invokeEvent({type:"EndEvent"})):Ss("No input!")},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),r.getProperty().getInterpolationType()===Ts?(t.openGLTexture.setMinificationFilter(Qa.NEAREST),t.openGLTexture.setMagnificationFilter(Qa.NEAREST),t.colorTexture.setMinificationFilter(Qa.NEAREST),t.colorTexture.setMagnificationFilter(Qa.NEAREST),t.pwfTexture.setMinificationFilter(Qa.NEAREST),t.pwfTexture.setMagnificationFilter(Qa.NEAREST)):(t.openGLTexture.setMinificationFilter(Qa.LINEAR),t.openGLTexture.setMagnificationFilter(Qa.LINEAR),t.colorTexture.setMinificationFilter(Qa.LINEAR),t.colorTexture.setMagnificationFilter(Qa.LINEAR),t.pwfTexture.setMinificationFilter(Qa.LINEAR),t.pwfTexture.setMagnificationFilter(Qa.LINEAR)),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const r=t.currentInput;if(!r)return;const o=r.getPointData()?.getScalars();if(!o)return;t._scalars!==o&&(t._openGLRenderWindow.releaseGraphicsResourcesForObject(t._scalars),t._scalars=o);const i=o.getNumberOfComponents();let a=`${r.getMTime()}A${o.getMTime()}`;const s=t._openGLRenderWindow.getGraphicsResourceForObject(o);if(s?.vtkObj&&s?.hash===a&&t.openGLTextureString===a)t.openGLTexture=s.vtkObj,t.openGLTextureString=s.hash;else{t.openGLTexture||(t.openGLTexture=hs.newInstance(),t.openGLTexture.setOpenGLRenderWindow(t._openGLRenderWindow));const e=r.getDimensions();t.openGLTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.openGLTexture.releaseGraphicsResources(t._openGLRenderWindow),t.openGLTexture.resetFormatAndType(),t.openGLTexture.create3DFilterableFromDataArray(e[0],e[1],e[2],o),t.openGLTextureString=a,o&&t._openGLRenderWindow.setGraphicsResourceForObject(o,t.openGLTexture,t.openGLTextureString)}const l=n.getProperty(),u=l.getIndependentComponents(),c=u?i:1,d=u?2*c:1,p=l.getRGBTransferFunction();a=ws(l,p,c);const f=t._openGLRenderWindow.getGraphicsResourceForObject(p);if(f?.vtkObj&&f?.hash===a&&t.colorTextureString===a)t.colorTexture=f.vtkObj,t.colorTextureString=f.hash;else{const e=1024,n=new Uint8Array(e*d*3);if(t.colorTexture||(t.colorTexture=hs.newInstance(),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow)),p){const r=new Float32Array(3*e);for(let t=0;t0){const e=t.resliceGeom.getPointData().getNormals();e?r.normals=e:Ss("Slab mode requested without normals")}t.tris.getCABO().createVBO(n,"polys",ua.SURFACE,r)}t.VBOBuildString=g,t.VBOBuildTime.modified()},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const i=n.getProgram();if(n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())){i.isUniformUsed("texture1")&&i.setUniformi("texture1",t.openGLTexture.getTextureUnit()),i.isAttributeUsed("vertexWC")&&(n.getVAO().addAttributeArray(i,n.getCABO(),"vertexWC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ss("Error setting vertexWC in shader VAO.")),i.isAttributeUsed("normalWC")&&(n.getVAO().addAttributeArray(i,n.getCABO(),"normalWC",n.getCABO().getNormalOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ss("Error setting normalWC in shader VAO.")),i.isUniformUsed("slabThickness")&&i.setUniformf("slabThickness",t.renderable.getSlabThickness()),i.isUniformUsed("spacing")&&i.setUniform3fv("spacing",t.currentInput.getSpacing()),i.isUniformUsed("slabType")&&i.setUniformi("slabType",t.renderable.getSlabType()),i.isUniformUsed("slabType")&&i.setUniformi("slabType",t.renderable.getSlabType()),i.isUniformUsed("slabTrapezoid")&&i.setUniformi("slabTrapezoid",t.renderable.getSlabTrapezoidIntegration());const e=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null;if(i.isUniformUsed("WCTCMatrix")){const n=t.currentInput,r=n.getDimensions();c(t.tmpMat4,n.getIndexToWorld()),x(t.tmpMat4,t.tmpMat4,r),m(t.tmpMat4,t.tmpMat4),e&&y(t.tmpMat4,t.tmpMat4,e),i.setUniformMatrix("WCTCMatrix",t.tmpMat4)}i.isUniformUsed("vboScaling")&&i.setUniform3fv("vboScaling",n.getCABO().getCoordScale()),n.getAttributeUpdateTime().modified()}if(t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),n.getProgram().isUniformUsed("coffset")){const t=e.getCoincidentParameters(r,o);n.getProgram().setUniformf("coffset",t.offset),n.getProgram().isUniformUsed("cfactor")&&n.getProgram().setUniformf("cfactor",t.factor)}},e.setCameraShaderParameters=(e,n,o)=>{const i=t._openGLCamera.getKeyMatrices(n),a=t._openGLImageSlice.getKeyMatrices(),s=e.getCABO().getCoordShiftAndScaleEnabled()?e.getCABO().getInverseShiftAndScaleMatrix():null,l=e.getProgram();l.isUniformUsed("MCPCMatrix")&&(f(t.tmpMat4),l.setUniformMatrix("MCPCMatrix",Cs([i.wcpc,a.mcwc,s],r,t.tmpMat4))),l.isUniformUsed("MCVCMatrix")&&(f(t.tmpMat4),l.setUniformMatrix("MCVCMatrix",Cs([i.wcvc,a.mcwc,s],r,t.tmpMat4)))},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),i=r.getProperty(),a=i.getOpacity();o.setUniformf("opacity",a);const s=t.openGLTexture.getComponents(),l=i.getIndependentComponents();if(l)for(let e=0;e{const o=t.openGLTexture.getComponents(),i=r.getProperty().getIndependentComponents(),a=t.renderable.getSlabThickness(),s=t.renderable.getSlabType(),l=t.renderable.getSlabTrapezoidIntegration();let u=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(u=!0),!(!u&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&0!==e.getProgram()?.getHandle()&&t.lastTextureComponents===o&&t.lastIndependentComponents===i&&t.lastSlabThickness===a&&t.lastSlabType===s&&t.lastSlabTrapezoidIntegration===l||(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=i,t.lastSlabThickness=a,t.lastSlabType=s,t.lastSlabTrapezoidIntegration=l,0))},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkImageResliceMapperVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\n// all variables that represent positions or directions have a suffix\n// indicating the coordinate system they are in. The possible values are\n// MC - Model coordinates\n// WC - World coordinates\n// VC - View coordinates\n// DC - Display coordinates\n// TC - Texture coordinates\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\nvoid main()\n{\n //VTK::PositionVC::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Picking::Impl\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkImageResliceMapperFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the gpu image mapper fragment shader\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n // VC position of this fragment. This should not branch/return/discard.\n //VTK::PositionVC::Impl\n\n // Place any calls that require uniform flow (e.g. dFdx) here.\n //VTK::UniformFlow::Impl\n\n // Set gl_FragDepth here (gl_FragCoord.z by default)\n //VTK::Depth::Impl\n\n // Early depth peeling abort:\n //VTK::DepthPeeling::PreColor\n\n //VTK::TCoord::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n\n //VTK::DepthPeeling::Impl\n\n //VTK::Picking::Impl\n\n // handle coincident offsets\n //VTK::Coincident::Impl\n\n //VTK::ZBuffer::Impl\n\n //VTK::RenderPassFragmentShader::Impl\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{if(e.replaceShaderTCoord(n,r,o),e.replaceShaderPositionVC(n,r,o),t.haveSeenDepthRequest){let e=n.Fragment;e=Ca.substitute(e,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,e=Ca.substitute(e,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result,n.Fragment=e}e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderTCoord=(e,n,r)=>{let o=e.Vertex;const i=e.Geometry;let a=e.Fragment;const s=t.renderable.getSlabThickness();o=Ca.substitute(o,"//VTK::TCoord::Dec",["uniform mat4 WCTCMatrix;","out vec3 fragTexCoord;"]).result,o=Ca.substitute(o,"//VTK::TCoord::Impl",["fragTexCoord = (WCTCMatrix * vertexWC).xyz;"]).result;const l=t.openGLTexture.getComponents(),u=r.getProperty().getIndependentComponents();let c=["in vec3 fragTexCoord;","uniform highp sampler3D texture1;","uniform mat4 WCTCMatrix;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;"];if(u){for(let e=1;e0&&(c=c.concat(["uniform vec3 spacing;","uniform float slabThickness;","uniform int slabType;","uniform int slabTrapezoid;","uniform vec3 vboScaling;"]),c=c.concat(["vec4 compositeValue(vec4 currVal, vec4 valToComp, int trapezoid)","{"," vec4 retVal = vec4(1.0);"," if (slabType == 0) // min"," {"," retVal = min(currVal, valToComp);"," }"," else if (slabType == 1) // max"," {"," retVal = max(currVal, valToComp);"," }"," else if (slabType == 3) // sum"," {"," retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); "," }"," else // mean"," {"," retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); "," }"," return retVal;","}"])),a=Ca.substitute(a,"//VTK::TCoord::Dec",c).result;let d=["if (any(greaterThan(fragTexCoord, vec3(1.0))) || any(lessThan(fragTexCoord, vec3(0.0))))","{"," // set the background color and exit"," gl_FragData[0] = backgroundColor;"," return;","}","vec4 tvalue = texture(texture1, fragTexCoord);"];if(s>0&&(d=d.concat(["// Get the first and last samples","int numSlices = 1;","float scaling = min(min(spacing.x, spacing.y), spacing.z) * 0.5;","vec3 normalxspacing = scaling * normalWCVSOutput;","float distTraveled = length(normalxspacing);","int trapezoid = 0;","while (distTraveled < slabThickness * 0.5)","{"," distTraveled += length(normalxspacing);"," float fnumSlices = float(numSlices);"," if (distTraveled > slabThickness * 0.5)"," {"," // Before stepping outside the slab, sample at the boundaries"," normalxspacing = normalWCVSOutput * slabThickness * 0.5 / fnumSlices;"," trapezoid = slabTrapezoid;"," }"," vec3 fragTCoordNeg = (WCTCMatrix * vec4(vertexWCVSOutput.xyz - fnumSlices * normalxspacing * vboScaling, 1.0)).xyz;"," if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))"," {"," vec4 newVal = texture(texture1, fragTCoordNeg);"," tvalue = compositeValue(tvalue, newVal, trapezoid);"," numSlices += 1;"," }"," vec3 fragTCoordPos = (WCTCMatrix * vec4(vertexWCVSOutput.xyz + fnumSlices * normalxspacing * vboScaling, 1.0)).xyz;"," if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))"," {"," vec4 newVal = texture(texture1, fragTCoordPos);"," tvalue = compositeValue(tvalue, newVal, trapezoid);"," numSlices += 1;"," }","}","// Finally, if slab type is *mean*, divide the sum by the numSlices","if (slabType == 2)","{"," tvalue = tvalue / float(numSlices);","}"])),u){const e=["r","g","b","a"];for(let t=0;t{let i=n.Vertex;const a=n.Geometry;let s=n.Fragment;const l=t.renderable.getSlabThickness();let u=["attribute vec4 vertexWC;"];u=u.concat([`//${e.getMTime()}${t.resliceGeomUpdateString}`]),l>0&&(u=u.concat(["attribute vec3 normalWC;","varying vec3 normalWCVSOutput;","varying vec4 vertexWCVSOutput;"])),i=Ca.substitute(i,"//VTK::PositionVC::Dec",u).result;let c=["gl_Position = MCPCMatrix * vertexWC;"];l>0&&(c=c.concat(["normalWCVSOutput = normalWC;","vertexWCVSOutput = vertexWC;"])),i=Ca.substitute(i,"//VTK::PositionVC::Impl",c).result,i=Ca.substitute(i,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;","uniform mat4 MCVCMatrix;"]).result;let d=[];l>0&&(d=d.concat(["varying vec3 normalWCVSOutput;","varying vec4 vertexWCVSOutput;"])),s=Ca.substitute(s,"//VTK::PositionVC::Dec",d).result,n.Vertex=i,n.Geometry=a,n.Fragment=s},e.updateResliceGeometry=()=>{let e="";const n=t.currentInput,r=n?.getBounds();let o=!0,a=2;const s=t.renderable.getSlicePolyData(),l=t.renderable.getSlicePlane();if(s)e=e.concat(`PolyData${s.getMTime()}`);else if(l){e=e.concat(`Plane${l.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`));const t=function(e,t,n,r,o,a,s,l,u){var c=new i(9);return c[0]=e,c[1]=void 0,c[2]=void 0,c[3]=void 0,c[4]=void 0,c[5]=void 0,c[6]=void 0,c[7]=void 0,c[8]=void 0,c}(n?.getDirection());se(t,t);const r=[...l.getNormal()];Jt(r,r,t),[o,a]=function(e){Pr.normalize(e);const t=[0,0,0];for(let n=0;n<3;++n){Qt(t),t[n]=1;const r=Pr.dot(e,t);if(r<-.999||r>.999)return[!0,n]}return[!1,2]}(r)}else{const o=Ii.newInstance();o.setNormal(0,0,1);let i=[0,1,0,1,0,1];n&&(i=r),o.setOrigin(i[0],i[2],.5*(i[5]+i[4])),t.renderable.setSlicePlane(o),e=e.concat(`Plane${l?.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`))}if(!t.resliceGeom||t.resliceGeomUpdateString!==e){if(s)t.resliceGeom||(t.resliceGeom=ji.newInstance()),t.resliceGeom.getPoints().setData(s.getPoints().getData(),3),t.resliceGeom.getPolys().setData(s.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(s.getPointData().getNormals());else if(l)if(o){const e=new Float32Array(12),r=n.worldToIndex(l.getOrigin(),[0,0,0]),o=[(a+1)%3,(a+2)%3].sort(),i=n.getDimensions(),s=[0,i[0]-1,0,i[1]-1,0,i[2]-1];let u=0;for(let t=0;t<2;++t)for(let n=0;n<2;++n)e[u+a]=r[a],e[u+o[0]]=s[2*o[0]+n],e[u+o[1]]=s[2*o[1]+t],u+=3;t.transform.setMatrix(n.getIndexToWorld()),t.transform.transformPoints(e,e);const c=new Uint16Array(8);c[0]=3,c[1]=0,c[2]=1,c[3]=3,c[4]=3,c[5]=0,c[6]=3,c[7]=2;const d=l.getNormal();Pr.normalize(d);const p=new Float32Array(12);for(let e=0;e<4;++e)p[3*e]=d[0],p[3*e+1]=d[1],p[3*e+2]=d[2];t.resliceGeom||(t.resliceGeom=ji.newInstance()),t.resliceGeom.getPoints().setData(e,3),t.resliceGeom.getPolys().setData(c,1);const f=Wr.newInstance({numberOfComponents:3,values:p,name:"Normals"});t.resliceGeom.getPointData().setNormals(f)}else{t.outlineFilter.setInputData(n),t.cutter.setInputConnection(t.outlineFilter.getOutputPort()),t.cutter.setCutFunction(l),t.lineToSurfaceFilter.setInputConnection(t.cutter.getOutputPort()),t.lineToSurfaceFilter.update(),t.resliceGeom||(t.resliceGeom=ji.newInstance());const e=t.lineToSurfaceFilter.getOutputData();t.resliceGeom.getPoints().setData(e.getPoints().getData(),3),t.resliceGeom.getPolys().setData(e.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(e.getPointData().getNormals());const r=l.getNormal(),o=t.resliceGeom.getNumberOfPoints();Pr.normalize(r);const i=new Float32Array(3*o);for(let e=0;e{e&&(t.openGLTexture=e,t._externalOpenGLTexture=!0)}}const Es={VBOBuildTime:{},VBOBuildString:null,haveSeenDepthRequest:!1,lastHaveSeenDepthRequest:!1,lastIndependentComponents:!1,lastTextureComponents:0,lastSlabThickness:0,lastSlabTrapezoidIntegration:0,lastSlabType:-1,openGLTexture:null,openGLTextureString:null,colorTextureString:null,pwfTextureString:null,resliceGeom:null,resliceGeomUpdateString:null,tris:null,colorTexture:null,pwfTexture:null,_externalOpenGLTexture:!1,_scalars:null};const Ds=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Es,n),Tt.extend(e,t,n),ms(e,t,n),gs(e,t,n),t.tris=Ra.newInstance(),t.openGLTexture=null,t.colorTexture=null,t.pwfTexture=null,t.VBOBuildTime={},je(t.VBOBuildTime),t.tmpMat4=f(new Float64Array(16)),t.outlineFilter=Ya.newInstance(),t.outlineFilter.setGenerateFaces(!0),t.outlineFilter.setGenerateLines(!1),t.cubePolyData=ji.newInstance(),t.cutter=ea.newInstance(),t.lineToSurfaceFilter=$i.newInstance(),t.transform=_s.newInstance(),He(e,t,["openGLTexture"]),As(e,t)}),"vtkOpenGLImageResliceMapper");Dt("vtkImageResliceMapper",Ds);var Is={SlicingMode:{NONE:-1,I:0,J:1,K:2,X:3,Y:4,Z:5}},Os="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexMC;\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// optional normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// material property values\n//VTK::Color::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// picking support\n//VTK::Picking::Dec\n\nvoid main()\n{\n //VTK::Color::Impl\n\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Clip::Impl\n\n //VTK::PrimID::Impl\n\n //VTK::PositionVC::Impl\n\n //VTK::Light::Impl\n\n //VTK::Picking::Impl\n}\n",Ps="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the polydata mappers fragment shader\n\nuniform int PrimitiveIDOffset;\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// optional color passed in from the vertex shader, vertexColor\n//VTK::Color::Dec\n\n// optional surface normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// Depth Peeling Support\n//VTK::DepthPeeling::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// label outline \n//VTK::LabelOutline::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n//VTK::LabelOutlineHelperFunction\n\nvoid main()\n{\n // VC position of this fragment. This should not branch/return/discard.\n //VTK::PositionVC::Impl\n\n // Place any calls that require uniform flow (e.g. dFdx) here.\n //VTK::UniformFlow::Impl\n\n // Set gl_FragDepth here (gl_FragCoord.z by default)\n //VTK::Depth::Impl\n\n // Early depth peeling abort:\n //VTK::DepthPeeling::PreColor\n\n // Apple Bug\n //VTK::PrimID::Impl\n\n //VTK::Clip::Impl\n\n //VTK::Color::Impl\n\n // Generate the normal if we are not passed in one\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Light::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n\n //VTK::DepthPeeling::Impl\n\n //VTK::Picking::Impl\n\n // handle coincident offsets\n //VTK::Coincident::Impl\n\n //VTK::ZBuffer::Impl\n\n //VTK::RenderPassFragmentShader::Impl\n}\n";const{vtkErrorMacro:Ns}=vt,{SlicingMode:Ms}=Is;function Rs(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function Fs(e){const t=e.split("\n"),n=[];for(let e=0;e0&&n.push(r)}return n}function ks(e,t){t.classHierarchy.push("vtkOpenGLImageMapper"),e.buildPass=n=>{if(n){t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow);const n=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera()),t.renderable.isA("vtkImageMapper")&&t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(n.getActiveCamera())}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.getShaderTemplate=(e,t,n)=>{e.Vertex=Os,e.Fragment=Ps,e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let i=n.Vertex,a=n.Fragment;i=Ca.substitute(i,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,i=Ca.substitute(i,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result,i=Ca.substitute(i,"//VTK::TCoord::Impl","tcoordVCVSOutput = tcoordMC;").result,i=Ca.substitute(i,"//VTK::TCoord::Dec","attribute vec2 tcoordMC; varying vec2 tcoordVCVSOutput;").result;const s=t.openGLTexture.getComponents(),l=o.getProperty().getIndependentComponents();let u=["varying vec2 tcoordVCVSOutput;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D texture1;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform sampler2D labelOutlineTexture1;","uniform float opacity;","uniform float outlineOpacity;"];if(l){for(let e=1;e 0.01) {\n for (int i = -actualThickness; i <= actualThickness; i++) {\n for (int j = -actualThickness; j <= actualThickness; j++) {\n if (i == 0 || j == 0) {\n continue;\n }\n vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n gl_FragCoord.y + float(j),\n gl_FragCoord.z, gl_FragCoord.w);\n vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n float value = texture2D(texture1, neighborPosIS.xy).r;\n if (value != centerValue) {\n pixelOnBorder = true;\n break;\n }\n }\n if (pixelOnBorder == true) {\n break;\n }\n }\n if (pixelOnBorder == true) {\n gl_FragData[0] = vec4(tColor, outlineOpacity);\n }\n else {\n gl_FragData[0] = vec4(tColor, opacityToUse);\n }\n }\n #else\n float intensity = texture2D(texture1, tcoordVCVSOutput).r;\n vec3 tcolor = texture2D(colorTexture1, vec2(intensity * cscale0 + cshift0, 0.5)).rgb;\n float scalarOpacity = texture2D(pwfTexture1, vec2(intensity * pwfscale0 + pwfshift0, 0.5)).r;\n gl_FragData[0] = vec4(tcolor, scalarOpacity * opacity);\n #endif\n ")]).result;break;case 2:a=Ca.substitute(a,"//VTK::TCoord::Impl",["vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);","float intensity = tcolor.r*cscale0 + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(intensity, 0.5)).rgb, pwfscale0*tcolor.g + pwfshift0);"]).result;break;case 3:a=Ca.substitute(a,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, opacity);"]).result;break;default:a=Ca.substitute(a,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, tcolor.a);"]).result}t.haveSeenDepthRequest&&(a=Ca.substitute(a,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,a=Ca.substitute(a,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),n.Vertex=i,n.Fragment=a,e.replaceShaderClip(n,r,o),e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderClip=(e,n,r)=>{let o=e.Vertex,i=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(Ce("OpenGL has a limit of 6 clipping planes"),e=6),o=Ca.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=Ca.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,i=Ca.substitute(i,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,i=Ca.substitute(i,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=i},e.getNeedToRebuildShaders=(e,n,r)=>{const o=t.openGLTexture.getComponents(),i=r.getProperty().getIndependentComponents();let a=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(a=!0),!(!a&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&0!==e.getProgram()?.getHandle()&&t.lastTextureComponents===o&&t.lastIndependentComponents===i||(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=i,0))},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ns("Error setting vertexMC in shader VAO.")),n.getProgram().isAttributeUsed("tcoordMC")&&n.getCABO().getTCoordOffset()&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"tcoordMC",n.getCABO().getTCoordOffset(),n.getCABO().getStride(),t.context.FLOAT,n.getCABO().getTCoordComponents(),t.context.FALSE)||Ns("Error setting tcoordMC in shader VAO.")),n.getAttributeUpdateTime().modified());const i=t.openGLTexture.getTextureUnit();n.getProgram().setUniformi("texture1",i);const a=t.openGLTexture.getComponents(),s=o.getProperty().getIndependentComponents();if(s)for(let e=0;e6&&(Ce("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,i=r?c(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(h(i,i),y(i,i,r),h(i,i)),h(t.imagemat,t.currentInput.getIndexToWorld()),y(t.imagematinv,i,t.imagemat);const a=[];for(let n=0;n{const i=n.getProgram(),a=t.openGLImageSlice.getKeyMatrices(),s=t.currentInput,l=s.getIndexToWorld();y(t.imagemat,a.mcwc,l);const u=t.openGLCamera.getKeyMatrices(r);if(y(t.imagemat,u.wcpc,t.imagemat),n.getCABO().getCoordShiftAndScaleEnabled()){const e=n.getCABO().getInverseShiftAndScaleMatrix();y(t.imagemat,t.imagemat,e)}if(i.setUniformMatrix("MCPCMatrix",t.imagemat),!0===o.getProperty().getUseLabelOutline()){const n=s.getWorldToIndex(),o=s.getDimensions();i.setUniform3i("imageDimensions",o[0],o[1],1),i.setUniformMatrix("vWCtoIDX",n);const a=t.openGLCamera.getKeyMatrices(r);m(t.projectionToWorld,a.wcpc),t.openGLCamera.getKeyMatrices(r),i.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const l=e.getRenderTargetSize();i.setUniformf("vpWidth",l[0]),i.setUniformf("vpHeight",l[1]);const u=e.getRenderTargetOffset();i.setUniformf("vpOffsetX",u[0]/l[0]),i.setUniformf("vpOffsetY",u[1]/l[1])}},e.setPropertyShaderParameters=(e,t,n)=>{const r=e.getProgram(),o=n.getProperty().getOpacity();r.setUniformf("opacity",o)},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),t.labelOutlineThicknessTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),t.labelOutlineThicknessTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getCurrentImage(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):Ns("No input!")},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():yr(t.bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const o=t.currentInput;if(!o)return;const i=o.getPointData()&&o.getPointData().getScalars();if(!i)return;const a=i.getDataType(),s=i.getNumberOfComponents(),l=r.getProperty(),u=l.getInterpolationType(),c=l.getIndependentComponents(),d=c?s:1,p=c?2*d:1,f=l.getRGBTransferFunction(),h=Rs(l,f,d),m=t._openGLRenderWindow.getGraphicsResourceForObject(f);if(m?.vtkObj&&m?.hash===h&&t.colorTextureString===h)t.colorTexture=m.vtkObj,t.colorTextureString=m.hash;else{const e=1024,n=new Uint8Array(e*p*3);if(t.colorTexture||(t.colorTexture=hs.newInstance({resizable:!0}),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow)),u===Ts?(t.colorTexture.setMinificationFilter(Qa.NEAREST),t.colorTexture.setMagnificationFilter(Qa.NEAREST)):(t.colorTexture.setMinificationFilter(Qa.LINEAR),t.colorTexture.setMagnificationFilter(Qa.LINEAR)),f){const r=new Float32Array(3*e);for(let t=0;t1?1:0;const d=[Ms.X,Ms.Y,Ms.Z].includes(t.renderable.getSlicingMode())?x:_,p=o.getSpatialExtent(),f=i.getData();let h=null;if(b===Ms.I){h=new f.constructor(e[2]*e[1]*s);let t=0;for(let n=0;n{t.labelOutlineThicknessTexture||(t.labelOutlineThicknessTexture=hs.newInstance({resizable:!1}),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow));const n=e.getProperty().getLabelOutlineThickness(),r=t._openGLRenderWindow.getGraphicsResourceForObject(n),o=`${n.join("-")}`;if(r?.vtkObj&&r?.hash===o&&t.labelOutlineThicknessTextureString===o)t.labelOutlineThicknessTexture=r.vtkObj,t.labelOutlineThicknessTextureString=r.hash;else{const e=1024,r=1,i=new Uint8Array(e*r);for(let t=0;t{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]}}const Ls={VBOBuildTime:0,VBOBuildString:null,openGLTexture:null,tris:null,imagemat:null,imagematinv:null,colorTexture:null,pwfTexture:null,labelOutlineThicknessTexture:null,labelOutlineThicknessTextureString:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,_scalars:null};const Bs=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ls,n),Tt.extend(e,t,n),ms(e,t,n),gs(e,t,n),t.tris=Ra.newInstance(),t.imagemat=f(new Float64Array(16)),t.imagematinv=f(new Float64Array(16)),t.projectionToWorld=f(new Float64Array(16)),t.idxToView=f(new Float64Array(16)),t.idxNormalMatrix=ae(new Float64Array(9)),t.modelToView=f(new Float64Array(16)),t.projectionToView=f(new Float64Array(16)),$e(e,t,[]),t.VBOBuildTime={},je(t.VBOBuildTime),ks(e,t)}),"vtkOpenGLImageMapper");Dt("vtkAbstractImageMapper",Bs);const{vtkErrorMacro:Vs}=gt;function Us(e,t,n){if(t.apply(e)){const t=e.getIndependentComponents();return`${e.getMTime()}-${t}-${n}`}return"0"}function Gs(e,t){t.classHierarchy.push("vtkOpenGLImageCPRMapper"),e.buildPass=n=>{n&&(t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.openGLCamera=t._openGLRenderer.getViewNodeFor(t._openGLRenderer.getRenderable().getActiveCamera()),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.volumeTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.pwfTexture.setOpenGLRenderWindow(t._openGLRenderWindow))},e.opaquePass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.opaqueZBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),e.invokeEvent({type:"EndEvent"}),t.renderable.preRenderCheck()&&(t.currentImageDataInput=t.renderable.getInputData(0),t.currentCenterlineInput=t.renderable.getOrientedCenterline(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r))},e.renderPieceStart=(t,n)=>{e.updateBufferObjects(t,n)},e.renderPieceDraw=(n,r)=>{const o=t.context;t.volumeTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.volumeTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>{const o=t.VBOBuildTime.getMTime();return o{const r=t.currentImageDataInput,o=t.currentCenterlineInput;n.getProperty().getInterpolationType()===Ts?(t.volumeTexture.setMinificationFilter(Qa.NEAREST),t.volumeTexture.setMagnificationFilter(Qa.NEAREST),t.colorTexture.setMinificationFilter(Qa.NEAREST),t.colorTexture.setMagnificationFilter(Qa.NEAREST),t.pwfTexture.setMinificationFilter(Qa.NEAREST),t.pwfTexture.setMagnificationFilter(Qa.NEAREST)):(t.volumeTexture.setMinificationFilter(Qa.LINEAR),t.volumeTexture.setMagnificationFilter(Qa.LINEAR),t.colorTexture.setMinificationFilter(Qa.LINEAR),t.colorTexture.setMagnificationFilter(Qa.LINEAR),t.pwfTexture.setMinificationFilter(Qa.LINEAR),t.pwfTexture.setMagnificationFilter(Qa.LINEAR));const i=r.getMTime();if(t.volumeTextureTime!==i){const e=r.getDimensions(),n=r.getPointData().getScalars();if(!n)return;t.volumeTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.volumeTexture.releaseGraphicsResources(t._openGLRenderWindow),t.volumeTexture.resetFormatAndType(),t.volumeTexture.create3DFilterableFromRaw(e[0],e[1],e[2],n.getNumberOfComponents(),n.getDataType(),n.getData(),t.renderable.getPreferSizeOverAccuracy()),t.volumeTextureTime=i}const a=r.getPointData()&&r.getPointData().getScalars();if(!a)return;const s=a.getNumberOfComponents(),l=n.getProperty(),u=l.getIndependentComponents(),c=u?s:1,d=u?2*c:1,p=Us(l,l.getRGBTransferFunction,c);if(t.colorTextureString!==p){const e=1024,n=new Uint8Array(e*d*3);let r=l.getRGBTransferFunction();if(r){const o=new Float32Array(3*e);for(let t=0;t{const o=t.volumeTexture.getComponents(),i=r.getProperty().getIndependentComponents(),a=!!t.renderable.getCenterPoint(),s=t.renderable.getUseUniformOrientation();return(0===e.getProgram()||t.lastUseCenterPoint!==a||t.lastUseUniformOrientation!==s||t.lastHaveSeenDepthRequest!==t.haveSeenDepthRequest||t.lastTextureComponents!==o||t.lastIndependentComponents!==i)&&(t.lastUseCenterPoint=a,t.lastUseUniformOrientation=s,t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=i,!0)},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.replaceShaderValues=(n,r,o)=>{let i=n.Vertex,a=n.Fragment;i=Ca.substitute(i,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,i=Ca.substitute(i,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result;const s=["attribute vec3 centerlinePosition;","attribute float quadIndex;","uniform float width;","out vec2 quadOffsetVSOutput;","out vec3 centerlinePosVSOutput;"],l=t.renderable.getUseUniformOrientation();l?s.push("out vec3 centerlineDirVSOutput;","uniform vec3 centerlineDirection;"):s.push("out vec3 centerlineTopDirVSOutput;","out vec3 centerlineBotDirVSOutput;","out float centerlineAngleVSOutput;","attribute vec3 centerlineTopDirection;","attribute vec3 centerlineBotDirection;"),i=Ca.substitute(i,"//VTK::Color::Dec",s).result;const u=["quadOffsetVSOutput = vec2(width * (mod(quadIndex, 2.0) == 0.0 ? -0.5 : 0.5), quadIndex > 1.0 ? 0.0 : 1.0);","centerlinePosVSOutput = centerlinePosition;"];l?u.push("centerlineDirVSOutput = centerlineDirection;"):u.push("vec3 sumVec = centerlineTopDirection + centerlineBotDirection;","float sumLen2 = dot(sumVec, sumVec);","float diffLen2 = 4.0 - sumLen2;","if (diffLen2 < 0.001) {"," // vectors are too close to each other, use lerp"," centerlineAngleVSOutput = -1.0; // use negative angle as a flag for lerp"," centerlineTopDirVSOutput = centerlineTopDirection;"," centerlineBotDirVSOutput = centerlineBotDirection;","} else if (sumLen2 == 0.0) {"," // vector are opposite to each other, don't make a choice for the user"," // use slerp without direction, it will display the centerline color on each row of pixel"," centerlineAngleVSOutput = 0.0;"," centerlineTopDirVSOutput = vec3(0.0);"," centerlineBotDirVSOutput = vec3(0.0);","} else {"," // use slerp"," centerlineAngleVSOutput = 2.0 * atan(sqrt(diffLen2/sumLen2));"," float sinAngle = sin(centerlineAngleVSOutput);"," centerlineTopDirVSOutput = centerlineTopDirection / sinAngle;"," centerlineBotDirVSOutput = centerlineBotDirection / sinAngle;","}"),i=Ca.substitute(i,"//VTK::Color::Impl",u).result;const c=t.volumeTexture.getComponents(),d=o.getProperty().getIndependentComponents();let p=["uniform mat4 MCTCMatrix; // Model coordinates to texture coordinates","in vec2 quadOffsetVSOutput;","in vec3 centerlinePosVSOutput;","uniform highp sampler3D volumeTexture;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;"];l?p.push("in vec3 centerlineDirVSOutput;"):p.push("in vec3 centerlineTopDirVSOutput;","in vec3 centerlineBotDirVSOutput;","in float centerlineAngleVSOutput;");const f=t.renderable.getCenterPoint();if(f&&p.push("uniform vec3 globalCenterPoint;"),d){for(let e=1;e{let o=e.Vertex,i=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(gt.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6),o=Ca.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=Ca.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,i=Ca.substitute(i,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,i=Ca.substitute(i,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=i},e.getShaderTemplate=(e,t,n)=>{e.Vertex=Os,e.Fragment=Ps,e.Geometry=""},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Vs("Error setting vertexMC in shader VAO.")),n.getCABO().getCustomData().forEach((e=>{e&&n.getProgram().isAttributeUsed(e.name)&&!n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),e.name,e.offset,n.getCABO().getStride(),t.context.FLOAT,e.components,t.context.FALSE)&&Vs(`Error setting ${e.name} in shader VAO.`)})),n.getAttributeUpdateTime().modified());const i=t.volumeTexture.getTextureUnit();if(n.getProgram().setUniformi("volumeTexture",i),n.getProgram().setUniformf("width",t.renderable.getWidth()),n.getProgram().setUniform4f("backgroundColor",...t.renderable.getBackgroundColor()),n.getProgram().isUniformUsed("centerlineDirection")){const e=t.renderable.getUniformDirection();n.getProgram().setUniform3fArray("centerlineDirection",e)}if(n.getProgram().isUniformUsed("globalCenterPoint")){const e=t.renderable.getCenterPoint();n.getProgram().setUniform3fArray("globalCenterPoint",e)}const a=t.currentImageDataInput,s=a.getWorldToIndex(),l=A(new Float32Array(16),Xt([],a.getDimensions())),u=re(l,l,s);if(n.getProgram().setUniformMatrix("MCTCMatrix",u),t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(gt.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,i=r?c(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(h(i,i),y(i,i,r),h(i,i)),h(t.imagemat,t.currentImageDataInput.getIndexToWorld()),y(t.imagematinv,i,t.imagemat);const a=[];for(let n=0;n{const o=t.openGLImageSlice.getKeyMatrices().mcwc,i=t.openGLCamera.getKeyMatrices(n).wcpc;if(y(t.imagemat,i,o),e.getCABO().getCoordShiftAndScaleEnabled()){const n=e.getCABO().getInverseShiftAndScaleMatrix();y(t.imagemat,t.imagemat,n)}e.getProgram().setUniformMatrix("MCPCMatrix",t.imagemat)},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),i=r.getProperty(),a=i.getOpacity();o.setUniformf("opacity",a);const s=t.volumeTexture.getComponents(),l=i.getIndependentComponents();if(l)for(let e=0;e{if(e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)}}const zs={currentRenderPass:null,volumeTexture:null,volumeTextureTime:0,colorTexture:null,colorTextureString:null,pwfTexture:null,pwfTextureString:null,tris:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,lastIndependentComponents:0,imagemat:null,imagematinv:null};const js=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,zs,n),Tt.extend(e,t,n),ms(e,t,n),gt.algo(e,t,2,0),t.tris=Ra.newInstance(),t.volumeTexture=hs.newInstance(),t.colorTexture=hs.newInstance(),t.pwfTexture=hs.newInstance(),t.imagemat=f(new Float64Array(16)),t.imagematinv=f(new Float64Array(16)),t.VBOBuildTime={},gt.obj(t.VBOBuildTime,{mtime:0}),Gs(e,t)}),"vtkOpenGLImageCPRMapper");function Ws(e,t){t.classHierarchy.push("vtkOpenGLImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes()}},e.traverseZBufferPass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseOpaqueZBufferPass=t=>e.traverseOpaquePass(t),e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t._openGLRenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.zBufferPass=(t,n)=>e.opaquePass(t,n),e.opaqueZBufferPass=(t,n)=>e.opaquePass(t,n),e.opaquePass=(e,n)=>{e&&t.context.depthMask(!0)},e.translucentPass=(e,n)=>{t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(c(t.keyMatrices.mcwc,t.renderable.getMatrix()),h(t.keyMatrices.mcwc,t.keyMatrices.mcwc),t.keyMatrixTime.modified()),t.keyMatrices)}Dt("vtkImageCPRMapper",js);const Hs={context:null,keyMatrixTime:null,keyMatrices:null};const Xs=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Hs,n),Tt.extend(e,t,n),t.keyMatrixTime={},je(t.keyMatrixTime,{mtime:0}),t.keyMatrices={mcwc:f(new Float64Array(16))},$e(e,t,["context"]),Ws(e,t)}),"vtkOpenGLImageSlice");function Ks(e,t){t.classHierarchy.push("vtkOpenGLVolume"),e.buildPass=n=>{t.renderable&&t.renderable.getVisibility()&&n&&(t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes())},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;n.incrementVolumeCount()}},e.traverseVolumePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children[0].traverse(n),e.apply(n,!1))},e.volumePass=e=>{t.renderable&&t.renderable.getVisibility()&&t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(t.renderable.computeMatrix(),c(t.MCWCMatrix,t.renderable.getMatrix()),h(t.MCWCMatrix,t.MCWCMatrix),t.renderable.getIsIdentity()?ae(t.normalMatrix):(ie(t.normalMatrix,t.MCWCMatrix),se(t.normalMatrix,t.normalMatrix),function(e,t){if(e===t){var n=t[1],r=t[2],o=t[5];e[1]=t[3],e[2]=t[6],e[3]=n,e[5]=t[7],e[6]=r,e[7]=o}else e[0]=t[0],e[1]=t[3],e[2]=t[6],e[3]=t[1],e[4]=t[4],e[5]=t[7],e[6]=t[2],e[7]=t[5],e[8]=t[8]}(t.normalMatrix,t.normalMatrix)),t.keyMatrixTime.modified()),{mcwc:t.MCWCMatrix,normalMatrix:t.normalMatrix})}Dt("vtkImageSlice",Xs);const qs={};const $s=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,qs,n),Tt.extend(e,t,n),t.keyMatrixTime={},je(t.keyMatrixTime,{mtime:0}),t.normalMatrix=new Float64Array(9),t.MCWCMatrix=new Float64Array(16),$e(e,t,["context"]),Ks(e,t)}),"vtkOpenGLVolume");function Ys(e,t){t.classHierarchy.push("vtkFramebuffer"),e.getBothMode=()=>t.context.FRAMEBUFFER,e.saveCurrentBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.saveCurrentBindings(n),e.saveCurrentBuffers(n)},e.saveCurrentBindings=e=>{if(!t.context)return void Ce("you must set the OpenGLRenderWindow before calling saveCurrentBindings");const n=t.context;t.previousDrawBinding=n.getParameter(t.context.FRAMEBUFFER_BINDING),t.previousActiveFramebuffer=t._openGLRenderWindow.getActiveFramebuffer()},e.saveCurrentBuffers=e=>{},e.restorePreviousBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.restorePreviousBindings(n),e.restorePreviousBuffers(n)},e.restorePreviousBindings=e=>{if(!t.context)return void Ce("you must set the OpenGLRenderWindow before calling restorePreviousBindings");const n=t.context;n.bindFramebuffer(n.FRAMEBUFFER,t.previousDrawBinding),t._openGLRenderWindow.setActiveFramebuffer(t.previousActiveFramebuffer)},e.restorePreviousBuffers=e=>{},e.bind=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,r=n;null===r&&(r=t.context.FRAMEBUFFER),t.context.bindFramebuffer(r,t.glFramebuffer);for(let e=0;e{t.context?(t.glFramebuffer=t.context.createFramebuffer(),t.glFramebuffer.width=e,t.glFramebuffer.height=n):Ce("you must set the OpenGLRenderWindow before calling create")},e.setColorBuffer=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const r=t.context;if(!r)return void Ce("you must set the OpenGLRenderWindow before calling setColorBuffer");let o=r.COLOR_ATTACHMENT0;if(n>0){if(!t._openGLRenderWindow.getWebgl2())return void Ce("Using multiple framebuffer attachments requires WebGL 2");o+=n}t.colorBuffers[n]=e,r.framebufferTexture2D(r.FRAMEBUFFER,o,r.TEXTURE_2D,e.getHandle(),0)},e.removeColorBuffer=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;const n=t.context;if(!n)return void Ce("you must set the OpenGLRenderWindow before calling removeColorBuffer");let r=n.COLOR_ATTACHMENT0;if(e>0){if(!t._openGLRenderWindow.getWebgl2())return void Ce("Using multiple framebuffer attachments requires WebGL 2");r+=e}n.framebufferTexture2D(n.FRAMEBUFFER,r,n.TEXTURE_2D,null,0),t.colorBuffers=t.colorBuffers.splice(e,1)},e.setDepthBuffer=e=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const n=t.context;n.framebufferTexture2D(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.TEXTURE_2D,e.getHandle(),0)}else Ce("Attaching depth buffer textures to fbo requires WebGL 2");else Ce("you must set the OpenGLRenderWindow before calling setDepthBuffer")},e.removeDepthBuffer=()=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const e=t.context;e.framebufferTexture2D(e.FRAMEBUFFER,e.DEPTH_ATTACHMENT,e.TEXTURE_2D,null,0)}else Ce("Attaching depth buffer textures to framebuffers requires WebGL 2");else Ce("you must set the OpenGLRenderWindow before calling removeDepthBuffer")},e.getGLFramebuffer=()=>t.glFramebuffer,e.setOpenGLRenderWindow=n=>{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.releaseGraphicsResources=()=>{t.glFramebuffer&&t.context.deleteFramebuffer(t.glFramebuffer)},e.getSize=()=>{const e=[0,0];return null!==t.glFramebuffer&&(e[0]=t.glFramebuffer.width,e[1]=t.glFramebuffer.height),e},e.populateFramebuffer=()=>{if(!t.context)return void Ce("you must set the OpenGLRenderWindow before calling populateFrameBuffer");e.bind();const n=t.context,r=hs.newInstance();r.setOpenGLRenderWindow(t._openGLRenderWindow),r.setMinificationFilter(Qa.LINEAR),r.setMagnificationFilter(Qa.LINEAR),r.create2DFromRaw(t.glFramebuffer.width,t.glFramebuffer.height,4,on.UNSIGNED_CHAR,null),e.setColorBuffer(r),t.depthTexture=n.createRenderbuffer(),n.bindRenderbuffer(n.RENDERBUFFER,t.depthTexture),n.renderbufferStorage(n.RENDERBUFFER,n.DEPTH_COMPONENT16,t.glFramebuffer.width,t.glFramebuffer.height),n.framebufferRenderbuffer(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.RENDERBUFFER,t.depthTexture)},e.getColorTexture=()=>t.colorBuffers[0]}Dt("vtkVolume",$s);const Js={glFramebuffer:null,colorBuffers:null,depthTexture:null,previousDrawBinding:0,previousReadBinding:0,previousDrawBuffer:0,previousReadBuffer:0,previousActiveFramebuffer:null};function Qs(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Js,n),je(e,t),t.colorBuffers&&Ce("you cannot initialize colorBuffers through the constructor. You should call setColorBuffer() instead."),t.colorBuffers=[],Ye(e,t,["colorBuffers"]),Ys(e,t)}var Zs={newInstance:rt(Qs,"vtkFramebuffer"),extend:Qs};const el={NEAREST:0,LINEAR:1,FAST_LINEAR:2},tl={FRACTIONAL:0,PROPORTIONAL:1};var nl={InterpolationType:el,OpacityMode:tl};const rl={COMPOSITE_BLEND:0,MAXIMUM_INTENSITY_BLEND:1,MINIMUM_INTENSITY_BLEND:2,AVERAGE_INTENSITY_BLEND:3,ADDITIVE_INTENSITY_BLEND:4,RADON_TRANSFORM_BLEND:5};var ol={BlendMode:rl,FilterMode:{OFF:0,NORMALIZED:1,RAW:2}};const{vtkWarningMacro:il,vtkErrorMacro:al}=vt;function sl(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function ll(e,t){t.classHierarchy.push("vtkOpenGLVolumeMapper"),e.buildPass=()=>{t.zBufferTexture=null},e.zBufferPass=(e,n)=>{if(e){const e=n.getZBufferTexture();e!==t.zBufferTexture&&(t.zBufferTexture=e)}},e.opaqueZBufferPass=(t,n)=>e.zBufferPass(t,n),e.volumePass=(n,r)=>{if(n){t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.jitterTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.scalarTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.opacityTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.openGLVolume=e.getFirstAncestorOfType("vtkOpenGLVolume");const n=t.openGLVolume.getRenderable();t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const r=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(r.getActiveCamera()),e.renderPiece(r,n)}},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexDC;\n\nvarying vec3 vertexVCVSOutput;\nuniform mat4 PCVCMatrix;\n\nuniform float dcxmin;\nuniform float dcxmax;\nuniform float dcymin;\nuniform float dcymax;\n\nvoid main()\n{\n // dcsmall is the device coords reduced to the\n // x y area covered by the volume\n vec4 dcsmall = vec4(\n dcxmin + 0.5 * (vertexDC.x + 1.0) * (dcxmax - dcxmin),\n dcymin + 0.5 * (vertexDC.y + 1.0) * (dcymax - dcymin),\n vertexDC.z,\n vertexDC.w);\n vec4 vcpos = PCVCMatrix * dcsmall;\n vertexVCVSOutput = vcpos.xyz/vcpos.w;\n gl_Position = dcsmall;\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkVolumeFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the volume mappers fragment shader\n\n// the output of this shader\n//VTK::Output::Dec\n\nvarying vec3 vertexVCVSOutput;\n\n// first declare the settings from the mapper\n// that impact the code paths in here\n\n// always set vtkNumComponents 1,2,3,4\n//VTK::NumComponents\n\n// possibly define vtkTrilinearOn\n//VTK::TrilinearOn\n\n// possibly define vtkIndependentComponents\n//VTK::IndependentComponentsOn\n\n// possibly define any \"proportional\" components\n//VTK::vtkProportionalComponents\n\n// Define the blend mode to use\n#define vtkBlendMode //VTK::BlendMode\n\n// Possibly define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n#ifdef vtkImageLabelOutlineOn\n\nuniform float outlineOpacity;\nuniform float vpWidth;\nuniform float vpHeight;\nuniform float vpOffsetX;\nuniform float vpOffsetY;\nuniform mat4 PCWCMatrix;\nuniform mat4 vWCtoIDX;\n#endif\n\n// define vtkLightComplexity\n//VTK::LightComplexity\n#if vtkLightComplexity > 0\nuniform float vSpecularPower;\nuniform float vAmbient;\nuniform float vDiffuse;\nuniform float vSpecular;\n//VTK::Light::Dec\n#endif\n\n//VTK::VolumeShadowOn\n//VTK::SurfaceShadowOn\n//VTK::localAmbientOcclusionOn\n//VTK::LAO::Dec\n//VTK::VolumeShadow::Dec\n\n// define vtkComputeNormalFromOpacity\n//VTK::vtkComputeNormalFromOpacity\n\n// possibly define vtkGradientOpacityOn\n//VTK::GradientOpacityOn\n#ifdef vtkGradientOpacityOn\nuniform float goscale0;\nuniform float goshift0;\nuniform float gomin0;\nuniform float gomax0;\n#if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\nuniform float goscale1;\nuniform float goshift1;\nuniform float gomin1;\nuniform float gomax1;\n#if vtkNumComponents >= 3\nuniform float goscale2;\nuniform float goshift2;\nuniform float gomin2;\nuniform float gomax2;\n#endif\n#if vtkNumComponents >= 4\nuniform float goscale3;\nuniform float goshift3;\nuniform float gomin3;\nuniform float gomax3;\n#endif\n#endif\n#endif\n\n// if you want to see the raw tiled\n// data in webgl1 uncomment the following line\n// #define debugtile\n\n// camera values\nuniform float camThick;\nuniform float camNear;\nuniform float camFar;\nuniform int cameraParallel;\n\n// values describing the volume geometry\nuniform vec3 vOriginVC;\nuniform vec3 vSpacing;\nuniform ivec3 volumeDimensions; // 3d texture dimensions\nuniform vec3 vPlaneNormal0;\nuniform float vPlaneDistance0;\nuniform vec3 vPlaneNormal1;\nuniform float vPlaneDistance1;\nuniform vec3 vPlaneNormal2;\nuniform float vPlaneDistance2;\nuniform vec3 vPlaneNormal3;\nuniform float vPlaneDistance3;\nuniform vec3 vPlaneNormal4;\nuniform float vPlaneDistance4;\nuniform vec3 vPlaneNormal5;\nuniform float vPlaneDistance5;\n\n//VTK::ClipPlane::Dec\n\n// opacity and color textures\nuniform sampler2D otexture;\nuniform float oshift0;\nuniform float oscale0;\nuniform sampler2D ctexture;\nuniform float cshift0;\nuniform float cscale0;\n\n// jitter texture\nuniform sampler2D jtexture;\nuniform sampler2D ttexture;\n\n\n// some 3D texture values\nuniform float sampleDistance;\nuniform vec3 vVCToIJK;\n\n// the heights defined below are the locations\n// for the up to four components of the tfuns\n// the tfuns have a height of 2XnumComps pixels so the\n// values are computed to hit the middle of the two rows\n// for that component\n#ifdef vtkIndependentComponentsOn\n#if vtkNumComponents == 2\nuniform float mix0;\nuniform float mix1;\n#define height0 0.25\n#define height1 0.75\n#endif\n#if vtkNumComponents == 3\nuniform float mix0;\nuniform float mix1;\nuniform float mix2;\n#define height0 0.17\n#define height1 0.5\n#define height2 0.83\n#endif\n#if vtkNumComponents == 4\nuniform float mix0;\nuniform float mix1;\nuniform float mix2;\nuniform float mix3;\n#define height0 0.125\n#define height1 0.375\n#define height2 0.625\n#define height3 0.875\n#endif\n#endif\n\n#if vtkNumComponents >= 2\nuniform float oshift1;\nuniform float oscale1;\nuniform float cshift1;\nuniform float cscale1;\n#endif\n#if vtkNumComponents >= 3\nuniform float oshift2;\nuniform float oscale2;\nuniform float cshift2;\nuniform float cscale2;\n#endif\n#if vtkNumComponents >= 4\nuniform float oshift3;\nuniform float oscale3;\nuniform float cshift3;\nuniform float cscale3;\n#endif\n\nuniform vec4 ipScalarRangeMin;\nuniform vec4 ipScalarRangeMax;\n\n// declaration for intermixed geometry\n//VTK::ZBuffer::Dec\n\n//=======================================================================\n// global and custom variables (a temporary section before photorealistics rendering module is complete)\nvec3 rayDirVC;\nfloat sampleDistanceISVS;\nfloat sampleDistanceIS;\n\n#define SQRT3 1.7321\n#define INV4PI 0.0796\n#define EPSILON 0.001\n#define PI 3.1415\n#define PI2 9.8696\n\n//=======================================================================\n// Webgl2 specific version of functions\n#if __VERSION__ == 300\n\nuniform highp sampler3D texture1;\n\nvec4 getTextureValue(vec3 pos)\n{\n vec4 tmp = texture(texture1, pos);\n#if vtkNumComponents == 1\n tmp.a = tmp.r;\n#endif\n#if vtkNumComponents == 2\n tmp.a = tmp.g;\n#endif\n#if vtkNumComponents == 3\n tmp.a = length(tmp.rgb);\n#endif\n return tmp;\n}\n\n//=======================================================================\n// WebGL1 specific version of functions\n#else\n\nuniform sampler2D texture1;\n\nuniform float texWidth;\nuniform float texHeight;\nuniform int xreps;\nuniform int xstride;\nuniform int ystride;\n\n// if computing trilinear values from multiple z slices\n#ifdef vtkTrilinearOn\nvec4 getTextureValue(vec3 ijk)\n{\n float zoff = 1.0/float(volumeDimensions.z);\n vec4 val1 = getOneTextureValue(ijk);\n vec4 val2 = getOneTextureValue(vec3(ijk.xy, ijk.z + zoff));\n\n float indexZ = float(volumeDimensions)*ijk.z;\n float zmix = indexZ - floor(indexZ);\n\n return mix(val1, val2, zmix);\n}\n\nvec4 getOneTextureValue(vec3 ijk)\n#else // nearest or fast linear\nvec4 getTextureValue(vec3 ijk)\n#endif\n{\n vec3 tdims = vec3(volumeDimensions);\n\n#ifdef debugtile\n vec2 tpos = vec2(ijk.x, ijk.y);\n vec4 tmp = texture2D(texture1, tpos);\n tmp.a = 1.0;\n\n#else\n int z = int(ijk.z * tdims.z);\n int yz = z / xreps;\n int xz = z - yz*xreps;\n\n int tileWidth = volumeDimensions.x/xstride;\n int tileHeight = volumeDimensions.y/ystride;\n\n xz *= tileWidth;\n yz *= tileHeight;\n\n float ni = float(xz) + (ijk.x*float(tileWidth));\n float nj = float(yz) + (ijk.y*float(tileHeight));\n\n vec2 tpos = vec2(ni/texWidth, nj/texHeight);\n\n vec4 tmp = texture2D(texture1, tpos);\n\n#if vtkNumComponents == 1\n tmp.a = tmp.r;\n#endif\n#if vtkNumComponents == 2\n tmp.g = tmp.a;\n#endif\n#if vtkNumComponents == 3\n tmp.a = length(tmp.rgb);\n#endif\n#endif\n\n return tmp;\n}\n\n// End of Webgl1 specific code\n//=======================================================================\n#endif\n\n//=======================================================================\n// transformation between VC and IS space\n\n// convert vector position from idx to vc\n#if (vtkLightComplexity > 0) || (defined vtkClippingPlanesOn)\nvec3 IStoVC(vec3 posIS){\n vec3 posVC = posIS / vVCToIJK;\n return posVC.x * vPlaneNormal0 +\n posVC.y * vPlaneNormal2 +\n posVC.z * vPlaneNormal4 +\n vOriginVC;\n}\n\n// convert vector position from vc to idx\nvec3 VCtoIS(vec3 posVC){\n posVC = posVC - vOriginVC;\n posVC = vec3(\n dot(posVC, vPlaneNormal0),\n dot(posVC, vPlaneNormal2),\n dot(posVC, vPlaneNormal4));\n return posVC * vVCToIJK;\n}\n#endif\n\n//Rotate vector to view coordinate\n#if (vtkLightComplexity > 0) || (defined vtkGradientOpacityOn)\nvoid rotateToViewCoord(inout vec3 dirIS){\n dirIS.xyz =\n dirIS.x * vPlaneNormal0 +\n dirIS.y * vPlaneNormal2 +\n dirIS.z * vPlaneNormal4;\n}\n\n//Rotate vector to idx coordinate\nvec3 rotateToIDX(vec3 dirVC){\n vec3 dirIS;\n dirIS.xyz = vec3(\n dot(dirVC, vPlaneNormal0),\n dot(dirVC, vPlaneNormal2),\n dot(dirVC, vPlaneNormal4));\n return dirIS;\n}\n#endif\n\n//=======================================================================\n// Given a normal compute the gradient opacity factors\nfloat computeGradientOpacityFactor(\n float normalMag, float goscale, float goshift, float gomin, float gomax)\n{\n#if defined(vtkGradientOpacityOn)\n return clamp(normalMag * goscale + goshift, gomin, gomax);\n#else\n return 1.0;\n#endif\n}\n\n//=======================================================================\n// compute the normal and gradient magnitude for a position, uses forward difference\n#if (vtkLightComplexity > 0) || (defined vtkGradientOpacityOn)\n#ifdef vtkClippingPlanesOn\n void adjustClippedVoxelValues(vec3 pos, vec3 texPos[3], inout vec3 g1)\n {\n vec3 g1VC[3];\n for (int i = 0; i < 3; ++i)\n {\n g1VC[i] = IStoVC(texPos[i]);\n }\n vec3 posVC = IStoVC(pos);\n for (int i = 0; i < clip_numPlanes; ++i)\n {\n for (int j = 0; j < 3; ++j)\n {\n if(dot(vec3(vClipPlaneOrigins[i] - g1VC[j].xyz), vClipPlaneNormals[i]) > 0.0)\n {\n g1[j] = 0.0;\n }\n }\n }\n }\n#endif\n\n #ifdef vtkComputeNormalFromOpacity\n #ifdef vtkGradientOpacityOn\n vec4 computeDensityNormal(float gradientMag, vec3 scalarInterp[2])\n {\n #else\n //if gradient opacity not on but using density gradient\n vec4 computeDensityNormal(vec3 scalarInterp[2])\n {\n #endif\n vec3 opacityG1, opacityG2;\n opacityG1.x = texture2D(otexture, vec2(scalarInterp[0].x * oscale0 + oshift0, 0.5)).r;\n opacityG1.y = texture2D(otexture, vec2(scalarInterp[0].y * oscale0 + oshift0, 0.5)).r;\n opacityG1.z = texture2D(otexture, vec2(scalarInterp[0].z * oscale0 + oshift0, 0.5)).r;\n opacityG2.x = texture2D(otexture, vec2(scalarInterp[1].x * oscale0 + oshift0, 0.5)).r;\n opacityG2.y = texture2D(otexture, vec2(scalarInterp[1].y * oscale0 + oshift0, 0.5)).r;\n opacityG2.z = texture2D(otexture, vec2(scalarInterp[1].z * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n float gradOpacityFactor = 1.0f;\n if (gradientMag >= 0.0){\n gradOpacityFactor = computeGradientOpacityFactor(gradientMag, goscale0, goshift0, gomin0, gomax0);\n }\n opacityG1.xyz *= gradOpacityFactor;\n opacityG2.xyz *= gradOpacityFactor;\n #endif\n\n vec4 opacityG = vec4(opacityG1 - opacityG2, 1.0f);\n // divide by spacing\n opacityG.xyz /= vSpacing;\n opacityG.w = length(opacityG.xyz);\n // rotate to View Coords\n rotateToViewCoord(opacityG.xyz);\n if (length(opacityG.xyz) > 0.0) {\n return vec4(normalize(opacityG.xyz),opacityG.w);\n } else {\n return vec4(0.0);\n }\n }\n\n vec4 computeNormalForDensity(vec3 pos, vec3 tstep, out vec3 scalarInterp[2])\n {\n vec3 xvec = vec3(tstep.x, 0.0, 0.0);\n vec3 yvec = vec3(0.0, tstep.y, 0.0);\n vec3 zvec = vec3(0.0, 0.0, tstep.z);\n vec3 texPosPVec[3];\n texPosPVec[0] = pos + xvec;\n texPosPVec[1] = pos + yvec;\n texPosPVec[2] = pos + zvec;\n vec3 texPosNVec[3];\n texPosNVec[0] = pos - xvec;\n texPosNVec[1] = pos - yvec;\n texPosNVec[2] = pos - zvec;\n vec3 g1, g2;\n\n scalarInterp[0].x = getTextureValue(texPosPVec[0]).a;\n scalarInterp[0].y = getTextureValue(texPosPVec[1]).a;\n scalarInterp[0].z = getTextureValue(texPosPVec[2]).a;\n scalarInterp[1].x = getTextureValue(texPosNVec[0]).a;\n scalarInterp[1].y = getTextureValue(texPosNVec[1]).a;\n scalarInterp[1].z = getTextureValue(texPosNVec[2]).a;\n\n #ifdef vtkClippingPlanesOn\n adjustClippedVoxelValues(pos, texPosPVec, scalarInterp[0]);\n adjustClippedVoxelValues(pos, texPosNVec, scalarInterp[1]);\n #endif\n vec4 result;\n result.x = scalarInterp[0].x - scalarInterp[1].x;\n result.y = scalarInterp[0].y - scalarInterp[1].y;\n result.z = scalarInterp[0].z - scalarInterp[1].z;\n // divide by spacing\n result.xyz /= vSpacing;\n result.w = length(result.xyz);\n // rotate to View Coords\n rotateToViewCoord(result.xyz);\n if (length(result.xyz) > 0.0) {\n return vec4(normalize(result.xyz),result.w);\n } else {\n return vec4(0.0);\n }\n }\n #endif\n\n vec4 computeNormal(vec3 pos, vec3 tstep)\n {\n vec3 xvec = vec3(tstep.x, 0.0, 0.0);\n vec3 yvec = vec3(0.0, tstep.y, 0.0);\n vec3 zvec = vec3(0.0, 0.0, tstep.z);\n vec3 texPosPVec[3];\n texPosPVec[0] = pos + xvec;\n texPosPVec[1] = pos + yvec;\n texPosPVec[2] = pos + zvec;\n vec3 texPosNVec[3];\n texPosNVec[0] = pos - xvec;\n texPosNVec[1] = pos - yvec;\n texPosNVec[2] = pos - zvec;\n vec3 g1, g2;\n g1.x = getTextureValue(texPosPVec[0]).a;\n g1.y = getTextureValue(texPosPVec[1]).a;\n g1.z = getTextureValue(texPosPVec[2]).a;\n g2.x = getTextureValue(texPosNVec[0]).a;\n g2.y = getTextureValue(texPosNVec[1]).a;\n g2.z = getTextureValue(texPosNVec[2]).a;\n #ifdef vtkClippingPlanesOn\n adjustClippedVoxelValues(pos, texPosPVec, g1);\n adjustClippedVoxelValues(pos, texPosNVec, g2);\n #endif\n vec4 result;\n result = vec4(g1 - g2, -1.0);\n // divide by spacing\n result.xyz /= vSpacing;\n result.w = length(result.xyz);\n if (result.w > 0.0){\n // rotate to View Coords\n rotateToViewCoord(result.xyz);\n return vec4(normalize(result.xyz),result.w);\n } else {\n return vec4(0.0);\n }\n }\n#endif\n\n#ifdef vtkImageLabelOutlineOn\nvec3 fragCoordToIndexSpace(vec4 fragCoord) {\n vec4 pcPos = vec4(\n (fragCoord.x / vpWidth - vpOffsetX - 0.5) * 2.0,\n (fragCoord.y / vpHeight - vpOffsetY - 0.5) * 2.0,\n (fragCoord.z - 0.5) * 2.0,\n 1.0);\n\n vec4 worldCoord = PCWCMatrix * pcPos;\n vec4 vertex = (worldCoord/worldCoord.w);\n\n vec3 index = (vWCtoIDX * vertex).xyz;\n\n // half voxel fix for labelmapOutline\n return (index + vec3(0.5)) / vec3(volumeDimensions);\n}\n#endif\n\n//=======================================================================\n// compute the normals and gradient magnitudes for a position\n// for independent components\nmat4 computeMat4Normal(vec3 pos, vec4 tValue, vec3 tstep)\n{\n mat4 result;\n vec4 distX = getTextureValue(pos + vec3(tstep.x, 0.0, 0.0)) - tValue;\n vec4 distY = getTextureValue(pos + vec3(0.0, tstep.y, 0.0)) - tValue;\n vec4 distZ = getTextureValue(pos + vec3(0.0, 0.0, tstep.z)) - tValue;\n\n // divide by spacing\n distX /= vSpacing.x;\n distY /= vSpacing.y;\n distZ /= vSpacing.z;\n\n mat3 rot;\n rot[0] = vPlaneNormal0;\n rot[1] = vPlaneNormal2;\n rot[2] = vPlaneNormal4;\n\n#if !defined(vtkComponent0Proportional)\n result[0].xyz = vec3(distX.r, distY.r, distZ.r);\n result[0].a = length(result[0].xyz);\n result[0].xyz *= rot;\n if (result[0].w > 0.0)\n {\n result[0].xyz /= result[0].w;\n }\n#endif\n\n// optionally compute the 2nd component\n#if vtkNumComponents >= 2 && !defined(vtkComponent1Proportional)\n result[1].xyz = vec3(distX.g, distY.g, distZ.g);\n result[1].a = length(result[1].xyz);\n result[1].xyz *= rot;\n if (result[1].w > 0.0)\n {\n result[1].xyz /= result[1].w;\n }\n#endif\n\n// optionally compute the 3rd component\n#if vtkNumComponents >= 3 && !defined(vtkComponent2Proportional)\n result[2].xyz = vec3(distX.b, distY.b, distZ.b);\n result[2].a = length(result[2].xyz);\n result[2].xyz *= rot;\n if (result[2].w > 0.0)\n {\n result[2].xyz /= result[2].w;\n }\n#endif\n\n// optionally compute the 4th component\n#if vtkNumComponents >= 4 && !defined(vtkComponent3Proportional)\n result[3].xyz = vec3(distX.a, distY.a, distZ.a);\n result[3].a = length(result[3].xyz);\n result[3].xyz *= rot;\n if (result[3].w > 0.0)\n {\n result[3].xyz /= result[3].w;\n }\n#endif\n\n return result;\n}\n\n//=======================================================================\n// global shadow - secondary ray\n#if defined(VolumeShadowOn) || defined(localAmbientOcclusionOn)\nfloat random()\n{\n float rand = fract(sin(dot(gl_FragCoord.xy,vec2(12.9898,78.233)))*43758.5453123);\n float jitter=texture2D(jtexture,gl_FragCoord.xy/32.).r;\n uint pcg_state = floatBitsToUint(jitter);\n uint state = pcg_state;\n pcg_state = pcg_state * uint(747796405) + uint(2891336453);\n uint word = ((state >> ((state >> uint(28)) + uint(4))) ^ state) * uint(277803737);\n return (float((((word >> uint(22)) ^ word) >> 1 ))/float(2147483647) + rand)/2.0;\n}\n#endif\n\n#ifdef VolumeShadowOn\n// henyey greenstein phase function\nfloat phase_function(float cos_angle)\n{\n // divide by 2.0 instead of 4pi to increase intensity\n return ((1.0-anisotropy2)/pow(1.0+anisotropy2-2.0*anisotropy*cos_angle, 1.5))/2.0;\n}\n\n// Computes the intersection between a ray and a box\nstruct Hit\n{\n float tmin;\n float tmax;\n};\n\nstruct Ray\n{\n vec3 origin;\n vec3 dir;\n vec3 invDir;\n};\n\nbool BBoxIntersect(vec3 boundMin, vec3 boundMax, const Ray r, out Hit hit)\n{\n vec3 tbot = r.invDir * (boundMin - r.origin);\n vec3 ttop = r.invDir * (boundMax - r.origin);\n vec3 tmin = min(ttop, tbot);\n vec3 tmax = max(ttop, tbot);\n vec2 t = max(tmin.xx, tmin.yz);\n float t0 = max(t.x, t.y);\n t = min(tmax.xx, tmax.yz);\n float t1 = min(t.x, t.y);\n hit.tmin = t0;\n hit.tmax = t1;\n return t1 > max(t0,0.0);\n}\n\n// As BBoxIntersect requires the inverse of the ray coords,\n// this function is used to avoid numerical issues\nvoid safe_0_vector(inout Ray ray)\n{\n if(abs(ray.dir.x) < EPSILON) ray.dir.x = sign(ray.dir.x) * EPSILON;\n if(abs(ray.dir.y) < EPSILON) ray.dir.y = sign(ray.dir.y) * EPSILON;\n if(abs(ray.dir.z) < EPSILON) ray.dir.z = sign(ray.dir.z) * EPSILON;\n}\n\nfloat volume_shadow(vec3 posIS, vec3 lightDirNormIS)\n{\n float shadow = 1.0;\n float opacity = 0.0;\n\n // modify sample distance with a random number between 1.5 and 3.0\n float sampleDistanceISVS_jitter = sampleDistanceISVS * mix(1.5, 3.0, random());\n float opacityPrev = texture2D(otexture, vec2(getTextureValue(posIS).r * oscale0 + oshift0, 0.5)).r;\n\n // in case the first sample near surface has a very tiled light ray, we need to offset start position\n posIS += sampleDistanceISVS_jitter * lightDirNormIS;\n\n // compute the start and end points for the ray\n Ray ray;\n Hit hit;\n ray.origin = posIS;\n ray.dir = lightDirNormIS;\n safe_0_vector(ray);\n ray.invDir = 1.0/ray.dir;\n\n if(!BBoxIntersect(vec3(0.0),vec3(1.0), ray, hit))\n {\n return 1.0;\n }\n float maxdist = hit.tmax;\n\n // interpolate shadow ray length between: 1 unit of sample distance in IS to SQRT3, based on globalIlluminationReach\n float maxgi = mix(sampleDistanceISVS_jitter,SQRT3,giReach);\n maxdist = min(maxdist,maxgi);\n if(maxdist < EPSILON) {\n return 1.0;\n }\n\n // support gradient opacity\n #ifdef vtkGradientOpacityOn\n vec4 normal;\n #endif\n\n float current_dist = 0.0;\n float current_step = length(sampleDistanceISVS_jitter * lightDirNormIS);\n float clamped_step = 0.0;\n\n vec4 scalar = vec4(0.0);\n while(current_dist < maxdist)\n {\n#ifdef vtkClippingPlanesOn\n vec3 posVC = IStoVC(posIS);\n for (int i = 0; i < clip_numPlanes; ++i)\n {\n if (dot(vec3(vClipPlaneOrigins[i] - posVC), vClipPlaneNormals[i]) > 0.0)\n {\n current_dist = maxdist;\n }\n }\n#endif\n scalar = getTextureValue(posIS);\n opacity = texture2D(otexture, vec2(scalar.r * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n normal = computeNormal(posIS, vec3(1.0/vec3(volumeDimensions)));\n opacity *= computeGradientOpacityFactor(normal.w, goscale0, goshift0, gomin0, gomax0);\n #endif\n shadow *= 1.0 - opacity;\n\n // optimization: early termination\n if (shadow < EPSILON){\n return 0.0;\n }\n\n clamped_step = min(maxdist - current_dist, current_step);\n posIS += clamped_step * lightDirNormIS;\n current_dist += current_step;\n }\n\n return shadow;\n}\n\nvec3 applyShadowRay(vec3 tColor, vec3 posIS, vec3 viewDirectionVC)\n{\n vec3 vertLight = vec3(0.0);\n vec3 secondary_contrib = vec3(0.0);\n // here we assume only positional light, no effect of cones\n for (int i = 0; i < lightNum; i++)\n {\n #if(vtkLightComplexity==3)\n if (lightPositional[i] == 1){\n vertLight = lightPositionVC[i] - IStoVC(posIS);\n }else{\n vertLight = - lightDirectionVC[i];\n }\n #else\n vertLight = - lightDirectionVC[i];\n #endif\n // here we assume achromatic light, only intensity\n float dDotL = dot(viewDirectionVC, normalize(vertLight));\n // isotropic scatter returns 0.5 instead of 1/4pi to increase intensity\n float phase_attenuation = 0.5;\n if (abs(anisotropy) > EPSILON){\n phase_attenuation = phase_function(dDotL);\n }\n float vol_shadow = volume_shadow(posIS, normalize(rotateToIDX(vertLight)));\n secondary_contrib += tColor * vDiffuse * lightColor[i] * vol_shadow * phase_attenuation;\n secondary_contrib += tColor * vAmbient;\n }\n return secondary_contrib;\n}\n#endif\n\n//=======================================================================\n// local ambient occlusion\n#ifdef localAmbientOcclusionOn\nvec3 sample_direction_uniform(int i)\n{\n float rand = random() * 0.5;\n float theta = PI2 * (kernelSample[i][0] + rand);\n float phi = acos(2.0 * (kernelSample[i][1] + rand) -1.0) / 2.5;\n return normalize(vec3(cos(theta)*sin(phi), sin(theta)*sin(phi), cos(phi)));\n}\n\n// return a matrix that transform startDir into z axis; startDir should be normalized\nmat3 zBaseRotationalMatrix(vec3 startDir){\n vec3 axis = cross(startDir, vec3(0.0,0.0,1.0));\n float cosA = startDir.z;\n float k = 1.0 / (1.0 + cosA);\n mat3 matrix = mat3((axis.x * axis.x * k) + cosA, (axis.y * axis.x * k) - axis.z, (axis.z * axis.x * k) + axis.y,\n (axis.x * axis.y * k) + axis.z, (axis.y * axis.y * k) + cosA, (axis.z * axis.y * k) - axis.x,\n (axis.x * axis.z * k) - axis.y, (axis.y * axis.z * k) + axis.x, (axis.z * axis.z * k) + cosA);\n return matrix;\n}\n\nfloat computeLAO(vec3 posIS, float op, vec3 lightDir, vec4 normal){\n // apply LAO only at selected locations, otherwise return full brightness\n if (normal.w > 0.0 && op > 0.05){\n float total_transmittance = 0.0;\n mat3 inverseRotateBasis = inverse(zBaseRotationalMatrix(normalize(-normal.xyz)));\n vec3 currPos, randomDirStep;\n float weight, transmittance, opacity;\n for (int i = 0; i < kernelSize; i++)\n {\n randomDirStep = inverseRotateBasis * sample_direction_uniform(i) * sampleDistanceIS;\n weight = 1.0 - dot(normalize(lightDir), normalize(randomDirStep));\n currPos = posIS;\n transmittance = 1.0;\n for (int j = 0; j < kernelRadius ; j++){\n currPos += randomDirStep;\n // check if it's at clipping plane, if so return full brightness\n if (all(greaterThan(currPos, vec3(EPSILON))) && all(lessThan(currPos,vec3(1.0-EPSILON)))){\n opacity = texture2D(otexture, vec2(getTextureValue(currPos).r * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n opacity *= computeGradientOpacityFactor(normal.w, goscale0, goshift0, gomin0, gomax0);\n #endif\n transmittance *= 1.0 - opacity;\n }\n else{\n break;\n }\n }\n total_transmittance += transmittance / float(kernelRadius) * weight;\n\n // early termination if fully translucent\n if (total_transmittance > 1.0 - EPSILON){\n return 1.0;\n }\n }\n // average transmittance and reduce variance\n return clamp(total_transmittance / float(kernelSize), 0.3, 1.0);\n } else {\n return 1.0;\n }\n}\n#endif\n\n//=======================================================================\n// surface light contribution\n#if vtkLightComplexity > 0\n void applyLighting(inout vec3 tColor, vec4 normal)\n {\n vec3 diffuse = vec3(0.0, 0.0, 0.0);\n vec3 specular = vec3(0.0, 0.0, 0.0);\n float df, sf = 0.0;\n for (int i = 0; i < lightNum; i++){\n df = abs(dot(normal.rgb, -lightDirectionVC[i]));\n diffuse += df * lightColor[i];\n sf = pow( abs(dot(lightHalfAngleVC[i],normal.rgb)), vSpecularPower);\n specular += sf * lightColor[i];\n }\n tColor.rgb = tColor.rgb*(diffuse*vDiffuse + vAmbient) + specular*vSpecular;\n }\n #ifdef SurfaceShadowOn\n #if vtkLightComplexity < 3\n vec3 applyLightingDirectional(vec3 posIS, vec4 tColor, vec4 normal)\n {\n // everything in VC\n vec3 diffuse = vec3(0.0);\n vec3 specular = vec3(0.0);\n #ifdef localAmbientOcclusionOn\n vec3 ambient = vec3(0.0);\n #endif\n vec3 vertLightDirection;\n for (int i = 0; i < lightNum; i++){\n float ndotL,vdotR;\n vertLightDirection = lightDirectionVC[i];\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n }\n #ifdef localAmbientOcclusionOn\n return tColor.rgb * (diffuse * vDiffuse + vAmbient * ambient) + specular*vSpecular;\n #else\n return tColor.rgb * (diffuse * vDiffuse + vAmbient) + specular*vSpecular;\n #endif\n }\n #else\n vec3 applyLightingPositional(vec3 posIS, vec4 tColor, vec4 normal, vec3 posVC)\n {\n // everything in VC\n vec3 diffuse = vec3(0.0);\n vec3 specular = vec3(0.0);\n #ifdef localAmbientOcclusionOn\n vec3 ambient = vec3(0.0);\n #endif\n vec3 vertLightDirection;\n for (int i = 0; i < lightNum; i++){\n float distance,attenuation,ndotL,vdotR;\n vec3 lightDir;\n if (lightPositional[i] == 1){\n lightDir = lightDirectionVC[i];\n vertLightDirection = posVC - lightPositionVC[i];\n distance = length(vertLightDirection);\n vertLightDirection = normalize(vertLightDirection);\n attenuation = 1.0 / (lightAttenuation[i].x\n + lightAttenuation[i].y * distance\n + lightAttenuation[i].z * distance * distance);\n // per OpenGL standard cone angle is 90 or less for a spot light\n if (lightConeAngle[i] <= 90.0){\n float coneDot = dot(vertLightDirection, lightDir);\n if (coneDot >= cos(radians(lightConeAngle[i]))){ // if inside cone\n attenuation = attenuation * pow(coneDot, lightExponent[i]);\n }\n else {\n attenuation = 0.0;\n }\n }\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * attenuation * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * attenuation * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n } else {\n vertLightDirection = lightDirectionVC[i];\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n }\n }\n #ifdef localAmbientOcclusionOn\n return tColor.rgb * (diffuse * vDiffuse + vAmbient * ambient) + specular*vSpecular;\n #else\n return tColor.rgb * (diffuse * vDiffuse + vAmbient) + specular*vSpecular;\n #endif\n }\n #endif\n #endif\n#endif\n\n//=======================================================================\n// Given a texture value compute the color and opacity\n//\nvec4 getColorForValue(vec4 tValue, vec3 posIS, vec3 tstep)\n{\n#ifdef vtkImageLabelOutlineOn\n vec3 centerPosIS = fragCoordToIndexSpace(gl_FragCoord); // pos in texture space\n vec4 centerValue = getTextureValue(centerPosIS);\n bool pixelOnBorder = false;\n vec4 tColor = texture2D(ctexture, vec2(centerValue.r * cscale0 + cshift0, 0.5));\n\n // Get alpha of segment from opacity function.\n tColor.a = texture2D(otexture, vec2(centerValue.r * oscale0 + oshift0, 0.5)).r;\n\n int segmentIndex = int(centerValue.r * 255.0);\n \n // Use texture sampling for outlineThickness\n float textureCoordinate = float(segmentIndex - 1) / 1024.0;\n float textureValue = texture2D(ttexture, vec2(textureCoordinate, 0.5)).r;\n\n int actualThickness = int(textureValue * 255.0);\n\n if (actualThickness == 0) {\n return vec4(0, 0, 1, 1);\n }\n\n // Only perform outline check on fragments rendering voxels that aren't invisible.\n // Saves a bunch of needless checks on the background.\n // TODO define epsilon when building shader?\n if (float(tColor.a) > 0.01) {\n for (int i = -actualThickness; i <= actualThickness; i++) {\n for (int j = -actualThickness; j <= actualThickness; j++) {\n if (i == 0 || j == 0) {\n continue;\n }\n\n vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n gl_FragCoord.y + float(j),\n gl_FragCoord.z, gl_FragCoord.w);\n\n vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n vec4 value = getTextureValue(neighborPosIS);\n\n // If any of my neighbours are not the same value as I\n // am, this means I am on the border of the segment.\n // We can break the loops\n if (any(notEqual(value, centerValue))) {\n pixelOnBorder = true;\n break;\n }\n }\n\n if (pixelOnBorder == true) {\n break;\n }\n }\n\n // If I am on the border, I am displayed at full opacity\n if (pixelOnBorder == true) {\n tColor.a = outlineOpacity;\n }\n }\n\n#else\n // compute the normal and gradient magnitude if needed\n // We compute it as a vec4 if possible otherwise a mat4\n //\n vec4 goFactor = vec4(1.0,1.0,1.0,1.0);\n\n // compute the normal vectors as needed\n #if (vtkLightComplexity > 0) || defined(vtkGradientOpacityOn)\n #if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\n mat4 normalMat = computeMat4Normal(posIS, tValue, tstep);\n #if !defined(vtkComponent0Proportional)\n vec4 normal0 = normalMat[0];\n #endif\n #if !defined(vtkComponent1Proportional)\n vec4 normal1 = normalMat[1];\n #endif\n #if vtkNumComponents > 2\n #if !defined(vtkComponent2Proportional)\n vec4 normal2 = normalMat[2];\n #endif\n #if vtkNumComponents > 3\n #if !defined(vtkComponent3Proportional)\n vec4 normal3 = normalMat[3];\n #endif\n #endif\n #endif\n #else\n vec4 normalLight;\n #ifdef vtkComputeNormalFromOpacity\n vec3 scalarInterp[2];\n vec4 normal0 = computeNormalForDensity(posIS, tstep, scalarInterp);\n if (length(normal0)>0.0){\n #ifdef vtkGradientOpacityOn\n normalLight = computeDensityNormal(normal0.w, scalarInterp);\n #else\n normalLight = computeDensityNormal(scalarInterp);\n #endif\n if (length(normalLight) == 0.0){\n normalLight = normal0;\n }\n }\n #else\n vec4 normal0 = computeNormal(posIS, tstep);\n normalLight = normal0;\n #endif\n #endif\n #endif\n\n // compute gradient opacity factors as needed\n #if defined(vtkGradientOpacityOn)\n #if !defined(vtkComponent0Proportional)\n goFactor.x =\n computeGradientOpacityFactor(normal0.a, goscale0, goshift0, gomin0, gomax0);\n #endif\n #if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\n #if !defined(vtkComponent1Proportional)\n goFactor.y =\n computeGradientOpacityFactor(normal1.a, goscale1, goshift1, gomin1, gomax1);\n #endif\n #if vtkNumComponents > 2\n #if !defined(vtkComponent2Proportional)\n goFactor.z =\n computeGradientOpacityFactor(normal2.a, goscale2, goshift2, gomin2, gomax2);\n #endif\n #if vtkNumComponents > 3\n #if !defined(vtkComponent3Proportional)\n goFactor.w =\n computeGradientOpacityFactor(normal3.a, goscale3, goshift3, gomin3, gomax3);\n #endif\n #endif\n #endif\n #endif\n #endif\n\n // single component is always independent\n #if vtkNumComponents == 1\n vec4 tColor = texture2D(ctexture, vec2(tValue.r * cscale0 + cshift0, 0.5));\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n if (tColor.a < EPSILON){\n return vec4(0.0);\n }\n #endif\n\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n vec4 tColor = mix0*texture2D(ctexture, vec2(tValue.r * cscale0 + cshift0, height0));\n #if !defined(vtkComponent0Proportional)\n tColor.a = goFactor.x*mix0*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, height0)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, height0)).r;\n tColor *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix0));\n #endif\n\n vec3 tColor1 = mix1*texture2D(ctexture, vec2(tValue.g * cscale1 + cshift1, height1)).rgb;\n #if !defined(vtkComponent1Proportional)\n tColor.a += goFactor.y*mix1*texture2D(otexture, vec2(tValue.g * oscale1 + oshift1, height1)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.g * oscale1 + oshift1, height1)).r;\n tColor1 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix1));\n #endif\n\n #if vtkNumComponents >= 3\n vec3 tColor2 = mix2*texture2D(ctexture, vec2(tValue.b * cscale2 + cshift2, height2)).rgb;\n #if !defined(vtkComponent2Proportional)\n tColor.a += goFactor.z*mix2*texture2D(otexture, vec2(tValue.b * oscale2 + oshift2, height2)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.b * oscale2 + oshift2, height2)).r;\n tColor2 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix2));\n #endif\n\n #if vtkNumComponents >= 4\n vec3 tColor3 = mix3*texture2D(ctexture, vec2(tValue.a * cscale3 + cshift3, height3)).rgb;\n #if !defined(vtkComponent3Proportional)\n tColor.a += goFactor.w*mix3*texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, height3)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, height3)).r;\n tColor3 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix3));\n #endif\n #endif\n #endif\n #else // then not independent\n\n #if vtkNumComponents == 2\n float lum = tValue.r * cscale0 + cshift0;\n float alpha = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale1 + oshift1, 0.5)).r;\n vec4 tColor = vec4(lum, lum, lum, alpha);\n #endif\n #if vtkNumComponents == 3\n vec4 tColor;\n tColor.r = tValue.r * cscale0 + cshift0;\n tColor.g = tValue.g * cscale1 + cshift1;\n tColor.b = tValue.b * cscale2 + cshift2;\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale0 + oshift0, 0.5)).r;\n #endif\n #if vtkNumComponents == 4\n vec4 tColor;\n tColor.r = tValue.r * cscale0 + cshift0;\n tColor.g = tValue.g * cscale1 + cshift1;\n tColor.b = tValue.b * cscale2 + cshift2;\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, 0.5)).r;\n #endif\n #endif // dependent\n\n // apply lighting if requested as appropriate\n #if vtkLightComplexity > 0\n #if !defined(vtkComponent0Proportional)\n #if vtkNumComponents == 1\n #ifdef SurfaceShadowOn\n #if vtkLightComplexity < 3\n vec3 tColorS = applyLightingDirectional(posIS, tColor, normalLight);\n #else\n vec3 tColorS = applyLightingPositional(posIS, tColor, normalLight, IStoVC(posIS));\n #endif\n #endif\n\n #ifdef VolumeShadowOn\n vec3 tColorVS = applyShadowRay(tColor.rgb, posIS, rayDirVC);\n #ifdef SurfaceShadowOn\n float vol_coef = volumetricScatteringBlending * (1.0 - tColor.a / 2.0) * (1.0 - atan(normalLight.w) * INV4PI);\n tColor.rgb = (1.0-vol_coef) * tColorS + vol_coef * tColorVS;\n #else\n tColor.rgb = tColorVS;\n #endif\n #else\n tColor.rgb = tColorS;\n #endif\n\n #else\n applyLighting(tColor.rgb, normal0);\n #endif\n #endif\n\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n #if !defined(vtkComponent1Proportional)\n applyLighting(tColor1, normal1);\n #endif\n #if vtkNumComponents >= 3\n #if !defined(vtkComponent2Proportional)\n applyLighting(tColor2, normal2);\n #endif\n #if vtkNumComponents >= 4\n #if !defined(vtkComponent3Proportional)\n applyLighting(tColor3, normal3);\n #endif\n #endif\n #endif\n #endif\n #endif\n\n// perform final independent blend as needed\n#if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n tColor.rgb += tColor1;\n#if vtkNumComponents >= 3\n tColor.rgb += tColor2;\n#if vtkNumComponents >= 4\n tColor.rgb += tColor3;\n#endif\n#endif\n#endif\n\n#endif\nreturn tColor;\n}\n\nbool valueWithinScalarRange(vec4 val, vec4 min, vec4 max) {\n bool withinRange = false;\n #if vtkNumComponents == 1\n if (val.r >= min.r && val.r <= max.r) {\n withinRange = true;\n }\n #endif\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents == 2\n if (val.r >= min.r && val.r <= max.r &&\n val.g >= min.g && val.g <= max.g) {\n withinRange = true;\n }\n #endif\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 3\n if (all(greaterThanEqual(val, ipScalarRangeMin)) &&\n all(lessThanEqual(val, ipScalarRangeMax))) {\n withinRange = true;\n }\n #endif\n return withinRange;\n}\n\n//=======================================================================\n// Apply the specified blend mode operation along the ray's path.\n//\nvoid applyBlend(vec3 posIS, vec3 endIS, vec3 tdims)\n{\n vec3 tstep = 1.0/tdims;\n\n // start slightly inside and apply some jitter\n vec3 delta = endIS - posIS;\n vec3 stepIS = normalize(delta)*sampleDistanceIS;\n float raySteps = length(delta)/sampleDistanceIS;\n\n // avoid 0.0 jitter\n float jitter = 0.01 + 0.99*texture2D(jtexture, gl_FragCoord.xy/32.0).r;\n float stepsTraveled = jitter;\n\n // local vars for the loop\n vec4 color = vec4(0.0, 0.0, 0.0, 0.0);\n vec4 tValue;\n vec4 tColor;\n\n // if we have less than one step then pick the middle point\n // as our value\n // if (raySteps <= 1.0)\n // {\n // posIS = (posIS + endIS)*0.5;\n // }\n\n // Perform initial step at the volume boundary\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n #if vtkBlendMode == 0 // COMPOSITE_BLEND\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n\n // handle very thin volumes\n if (raySteps <= 1.0)\n {\n tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps);\n gl_FragData[0] = tColor;\n return;\n }\n\n tColor.a = 1.0 - pow(1.0 - tColor.a, jitter);\n color = vec4(tColor.rgb*tColor.a, tColor.a);\n posIS += (jitter*stepIS);\n\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n\n float mix = (1.0 - color.a);\n\n // this line should not be needed but nvidia seems to not handle\n // the break correctly on windows/chrome 58 angle\n //mix = mix * sign(max(raySteps - stepsTraveled - 1.0, 0.0));\n\n color = color + vec4(tColor.rgb*tColor.a, tColor.a)*mix;\n stepsTraveled++;\n posIS += stepIS;\n if (color.a > 0.99) { color.a = 1.0; break; }\n }\n\n if (color.a < 0.99 && (raySteps - stepsTraveled) > 0.0)\n {\n posIS = endIS;\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps - stepsTraveled);\n\n float mix = (1.0 - color.a);\n color = color + vec4(tColor.rgb*tColor.a, tColor.a)*mix;\n }\n\n gl_FragData[0] = vec4(color.rgb/color.a, color.a);\n #endif\n #if vtkBlendMode == 1 || vtkBlendMode == 2\n // MAXIMUM_INTENSITY_BLEND || MINIMUM_INTENSITY_BLEND\n // Find maximum/minimum intensity along the ray.\n\n // Define the operation we will use (min or max)\n #if vtkBlendMode == 1\n #define OP max\n #else\n #define OP min\n #endif\n\n // If the clipping range is shorter than the sample distance\n // we can skip the sampling loop along the ray.\n if (raySteps <= 1.0)\n {\n gl_FragData[0] = getColorForValue(tValue, posIS, tstep);\n return;\n }\n\n vec4 value = tValue;\n posIS += (jitter*stepIS);\n\n // Sample along the ray until MaximumSamplesValue,\n // ending slightly inside the total distance\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n // If we have reached the last step, break\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // Update the maximum value if necessary\n value = OP(tValue, value);\n\n // Otherwise, continue along the ray\n stepsTraveled++;\n posIS += stepIS;\n }\n\n // Perform the last step along the ray using the\n // residual distance\n posIS = endIS;\n tValue = getTextureValue(posIS);\n value = OP(tValue, value);\n\n // Now map through opacity and color\n gl_FragData[0] = getColorForValue(value, posIS, tstep);\n #endif\n #if vtkBlendMode == 3 || vtkBlendMode == 4 //AVERAGE_INTENSITY_BLEND || ADDITIVE_BLEND\n vec4 sum = vec4(0.);\n\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n sum += tValue;\n }\n\n if (raySteps <= 1.0) {\n gl_FragData[0] = getColorForValue(sum, posIS, tstep);\n return;\n }\n\n posIS += (jitter*stepIS);\n\n // Sample along the ray until MaximumSamplesValue,\n // ending slightly inside the total distance\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n // If we have reached the last step, break\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // One can control the scalar range by setting the AverageIPScalarRange to disregard scalar values, not in the range of interest, from the average computation.\n // Notes:\n // - We are comparing all values in the texture to see if any of them\n // are outside of the scalar range. In the future we might want to allow\n // scalar ranges for each component.\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n // Sum the values across each step in the path\n sum += tValue;\n }\n stepsTraveled++;\n posIS += stepIS;\n }\n\n // Perform the last step along the ray using the\n // residual distance\n posIS = endIS;\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // One can control the scalar range by setting the IPScalarRange to disregard scalar values, not in the range of interest, from the average computation\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n sum += tValue;\n\n stepsTraveled++;\n }\n\n #if vtkBlendMode == 3 // Average\n sum /= vec4(stepsTraveled, stepsTraveled, stepsTraveled, 1.0);\n #endif\n\n gl_FragData[0] = getColorForValue(sum, posIS, tstep);\n #endif\n #if vtkBlendMode == 5 // RADON\n float normalizedRayIntensity = 1.0;\n\n // handle very thin volumes\n if (raySteps <= 1.0)\n {\n tValue = getTextureValue(posIS);\n normalizedRayIntensity = normalizedRayIntensity - sampleDistance*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n gl_FragData[0] = texture2D(ctexture, vec2(normalizedRayIntensity, 0.5));\n return;\n }\n\n posIS += (jitter*stepIS);\n\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar value\n tValue = getTextureValue(posIS);\n\n // Convert scalar value to normalizedRayIntensity coefficient and accumulate normalizedRayIntensity\n normalizedRayIntensity = normalizedRayIntensity - sampleDistance*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n\n posIS += stepIS;\n stepsTraveled++;\n }\n\n // map normalizedRayIntensity to color\n gl_FragData[0] = texture2D(ctexture, vec2(normalizedRayIntensity , 0.5));\n\n #endif\n}\n\n//=======================================================================\n// Compute a new start and end point for a given ray based\n// on the provided bounded clipping plane (aka a rectangle)\nvoid getRayPointIntersectionBounds(\n vec3 rayPos, vec3 rayDir,\n vec3 planeDir, float planeDist,\n inout vec2 tbounds, vec3 vPlaneX, vec3 vPlaneY,\n float vSize1, float vSize2)\n{\n float result = dot(rayDir, planeDir);\n if (abs(result) < 1e-6)\n {\n return;\n }\n result = -1.0 * (dot(rayPos, planeDir) + planeDist) / result;\n vec3 xposVC = rayPos + rayDir*result;\n vec3 vxpos = xposVC - vOriginVC;\n vec2 vpos = vec2(\n dot(vxpos, vPlaneX),\n dot(vxpos, vPlaneY));\n\n // on some apple nvidia systems this does not work\n // if (vpos.x < 0.0 || vpos.x > vSize1 ||\n // vpos.y < 0.0 || vpos.y > vSize2)\n // even just\n // if (vpos.x < 0.0 || vpos.y < 0.0)\n // fails\n // so instead we compute a value that represents in and out\n //and then compute the return using this value\n float xcheck = max(0.0, vpos.x * (vpos.x - vSize1)); // 0 means in bounds\n float check = sign(max(xcheck, vpos.y * (vpos.y - vSize2))); // 0 means in bounds, 1 = out\n\n tbounds = mix(\n vec2(min(tbounds.x, result), max(tbounds.y, result)), // in value\n tbounds, // out value\n check); // 0 in 1 out\n}\n\n//=======================================================================\n// given a\n// - ray direction (rayDir)\n// - starting point (vertexVCVSOutput)\n// - bounding planes of the volume\n// - optionally depth buffer values\n// - far clipping plane\n// compute the start/end distances of the ray we need to cast\nvec2 computeRayDistances(vec3 rayDir, vec3 tdims)\n{\n vec2 dists = vec2(100.0*camFar, -1.0);\n\n vec3 vSize = vSpacing*tdims;\n\n // all this is in View Coordinates\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal0, vPlaneDistance0, dists, vPlaneNormal2, vPlaneNormal4,\n vSize.y, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal1, vPlaneDistance1, dists, vPlaneNormal2, vPlaneNormal4,\n vSize.y, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal2, vPlaneDistance2, dists, vPlaneNormal0, vPlaneNormal4,\n vSize.x, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal3, vPlaneDistance3, dists, vPlaneNormal0, vPlaneNormal4,\n vSize.x, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal4, vPlaneDistance4, dists, vPlaneNormal0, vPlaneNormal2,\n vSize.x, vSize.y);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal5, vPlaneDistance5, dists, vPlaneNormal0, vPlaneNormal2,\n vSize.x, vSize.y);\n\n //VTK::ClipPlane::Impl\n\n // do not go behind front clipping plane\n dists.x = max(0.0,dists.x);\n\n // do not go PAST far clipping plane\n float farDist = -camThick/rayDir.z;\n dists.y = min(farDist,dists.y);\n\n // Do not go past the zbuffer value if set\n // This is used for intermixing opaque geometry\n //VTK::ZBuffer::Impl\n\n return dists;\n}\n\n//=======================================================================\n// Compute the index space starting position (pos) and end\n// position\n//\nvoid computeIndexSpaceValues(out vec3 pos, out vec3 endPos, vec3 rayDir, vec2 dists)\n{\n // compute starting and ending values in volume space\n pos = vertexVCVSOutput + dists.x*rayDir;\n pos = pos - vOriginVC;\n // convert to volume basis and origin\n pos = vec3(\n dot(pos, vPlaneNormal0),\n dot(pos, vPlaneNormal2),\n dot(pos, vPlaneNormal4));\n\n endPos = vertexVCVSOutput + dists.y*rayDir;\n endPos = endPos - vOriginVC;\n endPos = vec3(\n dot(endPos, vPlaneNormal0),\n dot(endPos, vPlaneNormal2),\n dot(endPos, vPlaneNormal4));\n\n float delta = length(endPos - pos);\n\n pos *= vVCToIJK;\n endPos *= vVCToIJK;\n\n float delta2 = length(endPos - pos);\n sampleDistanceIS = sampleDistance*delta2/delta;\n #ifdef VolumeShadowOn\n sampleDistanceISVS = sampleDistanceIS * volumeShadowSamplingDistFactor;\n #endif\n}\n\nvoid main()\n{\n\n if (cameraParallel == 1)\n {\n // Camera is parallel, so the rayDir is just the direction of the camera.\n rayDirVC = vec3(0.0, 0.0, -1.0);\n } else {\n // camera is at 0,0,0 so rayDir for perspective is just the vc coord\n rayDirVC = normalize(vertexVCVSOutput);\n }\n\n vec3 tdims = vec3(volumeDimensions);\n\n // compute the start and end points for the ray\n vec2 rayStartEndDistancesVC = computeRayDistances(rayDirVC, tdims);\n\n // do we need to composite? aka does the ray have any length\n // If not, bail out early\n if (rayStartEndDistancesVC.y <= rayStartEndDistancesVC.x)\n {\n discard;\n }\n\n // IS = Index Space\n vec3 posIS;\n vec3 endIS;\n computeIndexSpaceValues(posIS, endIS, rayDirVC, rayStartEndDistancesVC);\n\n // Perform the blending operation along the ray\n applyBlend(posIS, endIS, tdims);\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let i=n.Fragment;o.getProperty().getInterpolationType()===el.LINEAR&&(i=Ca.substitute(i,"//VTK::TrilinearOn","#define vtkTrilinearOn").result),!0===o.getProperty().getUseLabelOutline()&&(i=Ca.substitute(i,"//VTK::ImageLabelOutlineOn","#define vtkImageLabelOutlineOn").result);const a=t.scalarTexture.getComponents();i=Ca.substitute(i,"//VTK::NumComponents",`#define vtkNumComponents ${a}`).result;const s=o.getProperty().getIndependentComponents();if(s){i=Ca.substitute(i,"//VTK::IndependentComponentsOn","#define vtkIndependentComponentsOn").result;const e=[];for(let t=0;t0&&(i=Ca.substitute(i,"//VTK::vtkProportionalComponents",e.join("\n")).result)}const l=t.currentInput.getSpatialExtent(),u=t.currentInput.getSpacing(),c=new Float64Array(3);jt(c,(l[1]-l[0])*u[0],(l[3]-l[2])*u[1],(l[5]-l[4])*u[2]);const d=Gt(c)/e.getCurrentSampleDistance(r);i=Ca.substitute(i,"//VTK::MaximumSamplesValue",`${Math.ceil(d)}`).result,i=Ca.substitute(i,"//VTK::LightComplexity",`#define vtkLightComplexity ${t.lastLightComplexity}`).result,t.lastLightComplexity>0&&(t.renderable.getVolumetricScatteringBlending()>0&&(i=Ca.substitute(i,"//VTK::VolumeShadowOn","#define VolumeShadowOn").result),t.renderable.getVolumetricScatteringBlending()<1&&(i=Ca.substitute(i,"//VTK::SurfaceShadowOn","#define SurfaceShadowOn").result),t.renderable.getLocalAmbientOcclusion()&&o.getProperty().getAmbient()>0&&(i=Ca.substitute(i,"//VTK::localAmbientOcclusionOn","#define localAmbientOcclusionOn").result)),t.gopacity=o.getProperty().getUseGradientOpacity(0);for(let e=1;s&&!t.gopacity&&e{if(0===t.lastLightComplexity)return;let o=e.Fragment,i=0;n.getLights().forEach((e=>{e.getSwitch()&&(i+=1)})),o=Ca.substitute(o,"//VTK::Light::Dec",["uniform int lightNum;","uniform bool twoSidedLighting;",`uniform vec3 lightColor[${i}];`,`uniform vec3 lightDirectionVC[${i}]; // normalized`,`uniform vec3 lightHalfAngleVC[${i}];`,"//VTK::Light::Dec"],!1).result,3===t.lastLightComplexity&&(o=Ca.substitute(o,"//VTK::Light::Dec",[`uniform vec3 lightPositionVC[${i}];`,`uniform vec3 lightAttenuation[${i}];`,`uniform float lightConeAngle[${i}];`,`uniform float lightExponent[${i}];`,`uniform int lightPositional[${i}];`],!1).result),t.renderable.getVolumetricScatteringBlending()>0&&(o=Ca.substitute(o,"//VTK::VolumeShadow::Dec",["uniform float volumetricScatteringBlending;","uniform float giReach;","uniform float volumeShadowSamplingDistFactor;","uniform float anisotropy;","uniform float anisotropy2;"],!1).result),t.renderable.getLocalAmbientOcclusion()&&r.getProperty().getAmbient()>0&&(o=Ca.substitute(o,"//VTK::LAO::Dec",["uniform int kernelRadius;",`uniform vec2 kernelSample[${t.renderable.getLAOKernelRadius()}];`,"uniform int kernelSize;"],!1).result),e.Fragment=o},e.replaceShaderClippingPlane=(e,n,r)=>{let o=e.Fragment;if(t.renderable.getClippingPlanes().length>0){const e=t.renderable.getClippingPlanes().length;o=Ca.substitute(o,"//VTK::ClipPlane::Dec",["uniform vec3 vClipPlaneNormals[6];","uniform float vClipPlaneDistances[6];","uniform vec3 vClipPlaneOrigins[6];","uniform int clip_numPlanes;","//VTK::ClipPlane::Dec","#define vtkClippingPlanesOn"],!1).result,o=Ca.substitute(o,"//VTK::ClipPlane::Impl",[`for(int i = 0; i < ${e}; i++) {`," float rayDirRatio = dot(rayDir, vClipPlaneNormals[i]);"," float equationResult = dot(vertexVCVSOutput, vClipPlaneNormals[i]) + vClipPlaneDistances[i];"," if (rayDirRatio == 0.0)"," {"," if (equationResult < 0.0) dists.x = dists.y;"," continue;"," }"," float result = -1.0 * equationResult / rayDirRatio;"," if (rayDirRatio < 0.0) dists.y = min(dists.y, result);"," else dists.x = max(dists.x, result);","}","//VTK::ClipPlane::Impl"],!1).result}e.Fragment=o},e.getNeedToRebuildShaders=(n,r,o)=>{let i=0;o.getProperty().getShade()&&t.renderable.getBlendMode()===rl.COMPOSITE_BLEND&&(i=0,t.numberOfLights=0,r.getLights().forEach((e=>{e.getSwitch()>0&&(t.numberOfLights++,0===i&&(i=1)),1===i&&(t.numberOfLights>1||1!==e.getIntensity()||!e.lightTypeIsHeadLight())&&(i=2),i<3&&e.getPositional()&&(i=3)})));let a=!1;t.lastLightComplexity!==i&&(t.lastLightComplexity=i,a=!0);const s=t.scalarTexture.getComponents(),l=o.getProperty().getIndependentComponents();let u=!1;const c=[];if(l){for(let e=0;e0&&(u=!0)}const d=t.currentInput.getSpatialExtent(),p=t.currentInput.getSpacing(),f=new Float64Array(3);jt(f,(d[1]-d[0])*p[0],(d[3]-d[2])*p[1],(d[5]-d[4])*p[2]);const h=Gt(f)/e.getCurrentSampleDistance(r),m={interpolationType:o.getProperty().getInterpolationType(),useLabelOutline:o.getProperty().getUseLabelOutline(),numComp:s,usesProportionalComponents:u,iComps:l,maxSamples:h,useGradientOpacity:o.getProperty().getUseGradientOpacity(0),blendMode:t.renderable.getBlendMode(),proportionalComponents:c};return t.previousState&&t.previousState.interpolationType===m.interpolationType&&t.previousState.useLabelOutline===m.useLabelOutline&&t.previousState.numComp===m.numComp&&t.previousState.usesProportionalComponents===m.usesProportionalComponents&&t.previousState.iComps===m.iComps&&t.previousState.maxSamples===m.maxSamples&&t.previousState.useGradientOpacity===m.useGradientOpacity&&t.previousState.blendMode===m.blendMode&&function(e,t){if(e.length!==t.length)return!1;for(let n=0;n{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o),e.getClippingPlaneShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const i=n.getProgram();n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(i.isAttributeUsed("vertexDC")&&(n.getVAO().addAttributeArray(i,n.getCABO(),"vertexDC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||al("Error setting vertexDC in shader VAO.")),n.getAttributeUpdateTime().modified()),i.setUniformi("texture1",t.scalarTexture.getTextureUnit()),i.setUniformf("sampleDistance",e.getCurrentSampleDistance(r));const a=t.scalarTexture.getVolumeInfo(),s=t.renderable.getIpScalarRange(),l=[],u=[];for(let e=0;e<4;e++)l[e]=s[0]*a.dataComputedScale[e]+a.dataComputedOffset[e],u[e]=s[1]*a.dataComputedScale[e]+a.dataComputedOffset[e],l[e]=(l[e]-a.offset[e])/a.scale[e],u[e]=(u[e]-a.offset[e])/a.scale[e];if(i.setUniform4f("ipScalarRangeMin",l[0],l[1],l[2],l[3]),i.setUniform4f("ipScalarRangeMax",u[0],u[1],u[2],u[3]),null!==t.zBufferTexture){i.setUniformi("zBufferTexture",t.zBufferTexture.getTextureUnit());const e=t._useSmallViewport?[t._smallViewportWidth,t._smallViewportHeight]:t._openGLRenderWindow.getFramebufferSize();i.setUniformf("vpZWidth",e[0]),i.setUniformf("vpZHeight",e[1])}},e.setCameraShaderParameters=(n,r,o)=>{const i=t.openGLCamera.getKeyMatrices(r),a=t.openGLVolume.getKeyMatrices();y(t.modelToView,i.wcvc,a.mcwc);const s=n.getProgram(),l=t.openGLCamera.getRenderable(),u=l.getClippingRange();s.setUniformf("camThick",u[1]-u[0]),s.setUniformf("camNear",u[0]),s.setUniformf("camFar",u[1]);const c=t.currentInput.getBounds(),d=t.currentInput.getDimensions(),p=new Float64Array(3),f=new Float64Array(3);let h=1,g=-1,v=1,b=-1;for(let e=0;e<8;++e)jt(p,c[e%2],c[2+Math.floor(e/2)%2],c[4+Math.floor(e/4)]),Yt(p,p,t.modelToView),l.getParallelProjection()||(Kt(f,p),Ht(p,f,-u[0]/p[2])),Yt(p,p,i.vcpc),h=Math.min(p[0],h),g=Math.max(p[0],g),v=Math.min(p[1],v),b=Math.max(p[1],b);s.setUniformf("dcxmin",h),s.setUniformf("dcxmax",g),s.setUniformf("dcymin",v),s.setUniformf("dcymax",b),s.isUniformUsed("cameraParallel")&&s.setUniformi("cameraParallel",l.getParallelProjection());const x=t.currentInput.getSpatialExtent(),_=t.currentInput.getSpacing(),T=new Float64Array(3);jt(T,(x[1]-x[0])*_[0],(x[3]-x[2])*_[1],(x[5]-x[4])*_[2]),s.setUniform3f("vSpacing",_[0],_[1],_[2]),jt(p,x[0],x[2],x[4]),t.currentInput.indexToWorldVec3(p,p),Yt(p,p,t.modelToView),s.setUniform3f("vOriginVC",p[0],p[1],p[2]);const S=t.currentInput.getIndexToWorld();y(t.idxToView,t.modelToView,S),le(t.idxNormalMatrix,i.normalMatrix,a.normalMatrix),le(t.idxNormalMatrix,t.idxNormalMatrix,t.currentInput.getDirectionByReference());const w=Gt(T)/e.getCurrentSampleDistance(r);w>t.renderable.getMaximumSamplesPerRay()&&il(`The number of steps required ${Math.ceil(w)} is larger than the\n specified maximum number of steps ${t.renderable.getMaximumSamplesPerRay()}.\n Please either change the\n volumeMapper sampleDistance or its maximum number of samples.`);const C=new Float64Array(3);if(jt(C,1,1,1),function(e,t,n){e[0]=t[0]/n[0],e[1]=t[1]/n[1],e[2]=t[2]/n[2]}(C,C,T),s.setUniform3f("vVCToIJK",C[0],C[1],C[2]),s.setUniform3i("volumeDimensions",d[0],d[1],d[2]),!t._openGLRenderWindow.getWebgl2()){const e=t.scalarTexture.getVolumeInfo();s.setUniformf("texWidth",t.scalarTexture.getWidth()),s.setUniformf("texHeight",t.scalarTexture.getHeight()),s.setUniformi("xreps",e.xreps),s.setUniformi("xstride",e.xstride),s.setUniformi("ystride",e.ystride)}const A=new Float64Array(3),E=new Float64Array(3);for(let e=0;e<6;++e){switch(e){case 1:jt(A,-1,0,0),jt(E,x[0],x[2],x[4]);break;case 2:jt(A,0,1,0),jt(E,x[1],x[3],x[5]);break;case 3:jt(A,0,-1,0),jt(E,x[0],x[2],x[4]);break;case 4:jt(A,0,0,1),jt(E,x[1],x[3],x[5]);break;case 5:jt(A,0,0,-1),jt(E,x[0],x[2],x[4]);break;default:jt(A,1,0,0),jt(E,x[1],x[3],x[5])}Jt(A,A,t.idxNormalMatrix),Yt(E,E,t.idxToView);const n=-1*qt(E,A);s.setUniform3f(`vPlaneNormal${e}`,A[0],A[1],A[2]),s.setUniformf(`vPlaneDistance${e}`,n)}if(o.getProperty().getUseLabelOutline()){const n=t.currentInput.getWorldToIndex();s.setUniformMatrix("vWCtoIDX",n);const o=r.getActiveCamera(),[i,a]=o.getClippingRange(),l=o.getDistance();o.setClippingRange(l,l+.1);const u=t.openGLCamera.getKeyMatrices(r);m(t.projectionToWorld,u.wcpc),o.setClippingRange(i,a),t.openGLCamera.getKeyMatrices(r),s.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const c=e.getRenderTargetSize();s.setUniformf("vpWidth",c[0]),s.setUniformf("vpHeight",c[1]);const d=e.getRenderTargetOffset();s.setUniformf("vpOffsetX",d[0]/c[0]),s.setUniformf("vpOffsetY",d[1]/c[1])}if(m(t.projectionToView,i.vcpc),s.setUniformMatrix("PCVCMatrix",t.projectionToView),0===t.lastLightComplexity)return;let D=0;const I=[],O=[],P=[];if(r.getLights().forEach((e=>{if(e.getSwitch()>0){const t=e.getColor(),n=e.getIntensity();I[0+3*D]=t[0]*n,I[1+3*D]=t[1]*n,I[2+3*D]=t[2]*n;const r=e.getDirection();jt(A,r[0],r[1],r[2]),Jt(A,A,i.normalMatrix),Kt(A,A),O[0+3*D]=A[0],O[1+3*D]=A[1],O[2+3*D]=A[2],P[0+3*D]=-.5*A[0],P[1+3*D]=-.5*A[1],P[2+3*D]=-.5*(A[2]-1),D++}})),s.setUniformi("twoSidedLighting",r.getTwoSidedLighting()),s.setUniformi("lightNum",D),s.setUniform3fv("lightColor",I),s.setUniform3fv("lightDirectionVC",O),s.setUniform3fv("lightHalfAngleVC",P),3===t.lastLightComplexity){D=0;const e=[],n=[],o=[],i=[],a=[];r.getLights().forEach((r=>{if(r.getSwitch()>0){const s=r.getAttenuationValues();n[0+3*D]=s[0],n[1+3*D]=s[1],n[2+3*D]=s[2],i[D]=r.getExponent(),o[D]=r.getConeAngle(),a[D]=r.getPositional();const l=r.getTransformedPosition();Yt(l,l,t.modelToView),e[0+3*D]=l[0],e[1+3*D]=l[1],e[2+3*D]=l[2],D+=1}})),s.setUniform3fv("lightPositionVC",e),s.setUniform3fv("lightAttenuation",n),s.setUniformfv("lightConeAngle",o),s.setUniformfv("lightExponent",i),s.setUniformiv("lightPositional",a)}if(t.renderable.getVolumetricScatteringBlending()>0&&(s.setUniformf("giReach",t.renderable.getGlobalIlluminationReach()),s.setUniformf("volumetricScatteringBlending",t.renderable.getVolumetricScatteringBlending()),s.setUniformf("volumeShadowSamplingDistFactor",t.renderable.getVolumeShadowSamplingDistFactor()),s.setUniformf("anisotropy",t.renderable.getAnisotropy()),s.setUniformf("anisotropy2",t.renderable.getAnisotropy()**2)),t.renderable.getLocalAmbientOcclusion()&&o.getProperty().getAmbient()>0){const e=t.renderable.getLAOKernelSize();s.setUniformi("kernelSize",e);const n=[];for(let t=0;t{const o=e.getProgram();o.setUniformi("ctexture",t.colorTexture.getTextureUnit()),o.setUniformi("otexture",t.opacityTexture.getTextureUnit()),o.setUniformi("jtexture",t.jitterTexture.getTextureUnit()),o.setUniformi("ttexture",t.labelOutlineThicknessTexture.getTextureUnit());const i=t.scalarTexture.getVolumeInfo(),a=r.getProperty(),s=t.scalarTexture.getComponents(),l=r.getProperty().getIndependentComponents();if(l&&s>=2)for(let e=0;e0&&(o.setUniformf("vAmbient",a.getAmbient()),o.setUniformf("vDiffuse",a.getDiffuse()),o.setUniformf("vSpecular",a.getSpecular()),o.setUniformf("vSpecularPower",a.getSpecularPower()))},e.getClippingPlaneShaderParameters=(e,n,r)=>{if(t.renderable.getClippingPlanes().length>0){const r=t.openGLCamera.getKeyMatrices(n),o=[],i=[],a=[],s=t.renderable.getClippingPlanes(),l=s.length;for(let e=0;e{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.getRenderTargetSize=()=>{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getCurrentSampleDistance=e=>{const n=e.getVTKWindow().getInteractor(),r=t.renderable.getSampleDistance();return n.isAnimating()?r*t.renderable.getInteractionSampleDistanceFactor():r},e.renderPieceStart=(n,r)=>{const o=n.getVTKWindow().getInteractor();if(t._lastScale||(t._lastScale=t.renderable.getInitialInteractionScale()),t._useSmallViewport=!1,o.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._animationRateSubscription||(t._animationRateSubscription=o.onAnimationFrameRateUpdate((()=>{if(t.renderable.getAutoAdjustSampleDistances()){const e=o.getRecentAnimationFrameRate(),n=o.getDesiredUpdateRate()/e;(n>1.15||n<.85)&&(t._lastScale*=n),t._lastScale>400&&(t._lastScale=400),t._lastScale<1.5&&(t._lastScale=1.5)}else t._lastScale=t.renderable.getImageSampleDistance()*t.renderable.getImageSampleDistance()}))),t._useSmallViewport){const e=t._openGLRenderWindow.getFramebufferSize(),n=1/Math.sqrt(t._lastScale);if(t._smallViewportWidth=Math.ceil(n*e[0]),t._smallViewportHeight=Math.ceil(n*e[1]),t._smallViewportHeight>e[1]&&(t._smallViewportHeight=e[1]),t._smallViewportWidth>e[0]&&(t._smallViewportWidth=e[0]),t.framebuffer.saveCurrentBindingsAndBuffers(),null===t.framebuffer.getGLFramebuffer())t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer();else{const n=t.framebuffer.getSize();n[0]===e[0]&&n[1]===e[1]||(t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer())}t.framebuffer.bind();const r=t.context;r.clearColor(0,0,0,0),r.colorMask(!0,!0,!0,!0),r.clear(r.COLOR_BUFFER_BIT),r.viewport(0,0,t._smallViewportWidth,t._smallViewportHeight),t.fvp=[t._smallViewportWidth/e[0],t._smallViewportHeight/e[1]]}t.context.disable(t.context.DEPTH_TEST),e.updateBufferObjects(n,r),r.getProperty().getInterpolationType()===el.NEAREST?(t.scalarTexture.setMinificationFilter(Qa.NEAREST),t.scalarTexture.setMagnificationFilter(Qa.NEAREST)):(t.scalarTexture.setMinificationFilter(Qa.LINEAR),t.scalarTexture.setMagnificationFilter(Qa.LINEAR)),t.lastBoundBO=null,null!==t.zBufferTexture&&t.zBufferTexture.activate()},e.renderPieceDraw=(n,r)=>{const o=t.context;t.scalarTexture.activate(),t.opacityTexture.activate(),t.labelOutlineThicknessTexture.activate(),t.colorTexture.activate(),t.jitterTexture.activate(),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.scalarTexture.deactivate(),t.colorTexture.deactivate(),t.opacityTexture.deactivate(),t.labelOutlineThicknessTexture.deactivate(),t.jitterTexture.deactivate()},e.renderPieceFinish=(e,n)=>{if(null!==t.zBufferTexture&&t.zBufferTexture.deactivate(),t._useSmallViewport){if(t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader){t.copyShader=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","uniform vec2 tfactor;","varying vec2 tcoord;","void main() { tcoord = vec2(vertexDC.x*0.5 + 0.5, vertexDC.y*0.5 + 0.5) * tfactor; gl_Position = vertexDC; }"].join("\n"),["//VTK::System::Dec","//VTK::Output::Dec","uniform sampler2D texture1;","varying vec2 tcoord;","void main() { gl_FragData[0] = texture2D(texture1,tcoord); }"].join("\n"),"");const e=t.copyShader;t.copyVAO=Ia.newInstance(),t.copyVAO.setOpenGLRenderWindow(t._openGLRenderWindow),t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(e,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||al("Error setting vertexDC in copy shader VAO.")}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(t.copyShader);const e=t._openGLRenderWindow.getFramebufferSize();t.context.viewport(0,0,e[0],e[1]);const n=t.framebuffer.getColorTexture();n.activate(),t.copyShader.setUniformi("texture",n.getTextureUnit()),t.copyShader.setUniform2f("tfactor",t.fvp[0],t.fvp[1]);const r=t.context;r.blendFuncSeparate(r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA),t.context.drawArrays(t.context.TRIANGLES,0,t.tris.getCABO().getElementCount()),n.deactivate(),r.blendFuncSeparate(r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):al("No input!")},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():yr(t.Bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const o=t.currentInput;if(!o)return;const i=o.getPointData()&&o.getPointData().getScalars();if(!i)return;t._scalars!==i&&(t._openGLRenderWindow.releaseGraphicsResourcesForObject(t._scalars),t._scalars=i);const a=r.getProperty();if(!t.jitterTexture.getHandle()){const e=new Uint8Array(1024);for(let t=0;t<1024;++t)e[t]=255*Math.random();t.jitterTexture.setMinificationFilter(Qa.LINEAR),t.jitterTexture.setMagnificationFilter(Qa.LINEAR),t.jitterTexture.create2DFromRaw(32,32,1,on.UNSIGNED_CHAR,e)}const s=i.getNumberOfComponents(),l=a.getIndependentComponents()?s:1,u=a.getScalarOpacity(),c=t._openGLRenderWindow.getGraphicsResourceForObject(u);let d=sl(a,u,l);if(c.vtkObj&&c.hash===d&&t.opacityTextureString===d)t.opacityTexture=c.vtkObj,t.opacityTextureString=c.hash;else{const r=1024,o=2*r*l,i=new Float32Array(o),s=new Float32Array(r);for(let t=0;t1?1:-1,e[3*t+2]=-1;const n=new Uint16Array(8);n[0]=3,n[1]=0,n[2]=1,n[3]=3,n[4]=3,n[5]=0,n[6]=3,n[7]=2;const r=Wr.newInstance({numberOfComponents:3,values:e});r.setName("points");const o=Wr.newInstance({numberOfComponents:1,values:n});t.tris.getCABO().createVBO(o,"polys",ua.SURFACE,{points:r,cellOffset:0})}t.VBOBuildTime.modified()},e.updateLabelOutlineThicknessTexture=e=>{const n=e.getProperty().getLabelOutlineThickness(),r=t._openGLRenderWindow.getGraphicsResourceForObject(n),o=`${n.join("-")}`;if(r?.vtkObj&&r?.hash===o&&t.labelOutlineThicknessTextureString===o)t.labelOutlineThicknessTexture=r.vtkObj,t.labelOutlineThicknessTextureString=r.hash;else{const e=1024,r=1,i=new Uint8Array(e*r);for(let t=0;t2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ul,n),Tt.extend(e,t,n),t.VBOBuildTime={},je(t.VBOBuildTime,{mtime:0}),t.tris=Ra.newInstance(),t.scalarTexture=hs.newInstance(),t.opacityTexture=hs.newInstance(),t.colorTexture=hs.newInstance(),t.jitterTexture=hs.newInstance(),t.jitterTexture.setWrapS(Ja.REPEAT),t.jitterTexture.setWrapT(Ja.REPEAT),t.labelOutlineThicknessTexture=hs.newInstance(),t.framebuffer=Zs.newInstance(),t.idxToView=f(new Float64Array(16)),t.idxNormalMatrix=ae(new Float64Array(9)),t.modelToView=f(new Float64Array(16)),t.projectionToView=f(new Float64Array(16)),t.projectionToWorld=f(new Float64Array(16)),$e(e,t,["context"]),ll(e,t)}),"vtkOpenGLVolumeMapper");Dt("vtkVolumeMapper",cl);const{vtkDebugMacro:dl}=vt;function pl(e,t){t.classHierarchy.push("vtkOpenGLPixelSpaceCallbackMapper"),e.opaquePass=(n,r)=>{t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent();const o=t._openGLRenderer.getAspectRatio(),i=t._openGLRenderer?t._openGLRenderer.getRenderable().getActiveCamera():null,a=t._openGLRenderer.getTiledSizeAndOrigin();let s=null;if(t.renderable.getUseZValues()){const e=r.getZBufferTexture(),n=Math.floor(e.getWidth()),o=Math.floor(e.getHeight()),i=t._openGLRenderWindow.getContext();e.bind();const a=r.getFramebuffer();a?a.saveCurrentBindingsAndBuffers():dl("No framebuffer to save/restore");const l=i.createFramebuffer();i.bindFramebuffer(i.FRAMEBUFFER,l),i.framebufferTexture2D(i.FRAMEBUFFER,i.COLOR_ATTACHMENT0,i.TEXTURE_2D,e.getHandle(),0),i.checkFramebufferStatus(i.FRAMEBUFFER)===i.FRAMEBUFFER_COMPLETE&&(s=new Uint8Array(n*o*4),i.viewport(0,0,n,o),i.readPixels(0,0,n,o,i.RGBA,i.UNSIGNED_BYTE,s)),a&&a.restorePreviousBindingsAndBuffers(),i.deleteFramebuffer(l)}t.renderable.invokeCallback(t.renderable.getInputData(),i,o,a,s)},e.queryPass=(e,n)=>{e&&t.renderable.getUseZValues()&&n.requestDepth()}}const fl={};const hl=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,fl,n),Tt.extend(e,t,n),pl(e,t)}),"vtkOpenGLPixelSpaceCallbackMapper");Dt("vtkPixelSpaceCallbackMapper",hl);const ml=Object.create(null);function gl(e,t){ml[e]=t}function vl(e,t){t.classHierarchy.push("vtkWebGPUViewNodeFactory")}const yl={};function bl(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,yl,n),t.overrides=ml,At.extend(e,t,n),vl(0,t)}var xl={newInstance:gt.newInstance(bl,"vtkWebGPUViewNodeFactory"),extend:bl};function _l(e,t){t.classHierarchy.push("vtkWebGPUCamera"),e.getProjectionMatrix=(e,n,r,o)=>{if(f(e),t.renderable.getParallelProjection()){const i=t.renderable.getParallelScale(),a=i*n,s=i,l=(o[0]-1)*a,u=(o[0]+1)*a,c=(o[1]-1)*s,d=(o[1]+1)*s,p=1/(u-l),f=1/(d-c);e[0]=2*p,e[5]=2*f,e[10]=1/(r[1]-r[0]),e[12]=(u+l)*p,e[13]=(d+c)*f,e[14]=r[1]/(r[1]-r[0])}else{const i=Math.tan(Math.PI*t.renderable.getViewAngle()/360);let a,s;!0===t.renderable.getUseHorizontalViewAngle()?(a=r[0]*i,s=r[0]*i/n):(a=r[0]*i*n,s=r[0]*i);const l=(o[0]-1)*a,u=(o[0]+1)*a,c=(o[1]-1)*s,d=(o[1]+1)*s;e[0]=2*r[0]/(u-l),e[5]=2*r[0]/(d-c),e[12]=(l+u)/(u-l),e[13]=(c+d)/(d-c),e[10]=0,e[14]=r[0],e[11]=-1,e[15]=0}},e.convertToOpenGLDepth=e=>{if(t.renderable.getParallelProjection())return 1-e;const n=t.renderable.getClippingRangeByReference();let r=-n[0]/e;return 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lu(e,t){t.classHierarchy.push("vtkWebGPUFullScreenQuad"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position"),r.addOutput("vec4","vertexVC");let o=r.getCode();o=Fl.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4(vertexBC, 1.0);","output.vertexVC = vec4(vertexBC, 1);"]).result,r.setCode(o)},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.updateBuffers=()=>{const e=t.device.getBufferManager().getFullScreenQuadBuffer();t.vertexInput.addBuffer(e,["vertexBC"]),t.numberOfVertices=6}}const uu={};function cu(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uu,n),su.extend(e,t,n),lu(e,t)}var du={newInstance:gt.newInstance(cu,"vtkWebGPUFullScreenQuad"),extend:cu},pu={BufferUsage:{Verts:0,Lines:1,Triangles:2,Strips:3,LinesFromStrips:4,LinesFromTriangles:5,Points:6,UniformArray:7,PointArray:8,NormalsFromPoints:9,Texture:10,RawVertex:11,Storage:12,Index:13},PrimitiveTypes:{Start:0,Points:0,Lines:1,Triangles:2,TriangleStrips:3,TriangleEdges:4,TriangleStripEdges:5,End:6}};const fu=["getMappedRange","mapAsync","unmap"];function hu(e,t){t.classHierarchy.push("vtkWebGPUBuffer"),e.create=(e,n)=>{t.handle=t.device.getHandle().createBuffer({size:e,usage:n,label:t.label}),t.sizeInBytes=e,t.usage=n},e.write=e=>{!function(e,t,n,r){const o=r.byteLength,i=e.createBuffer({size:o,usage:GPUBufferUsage.COPY_SRC,mappedAtCreation:!0}),a=i.getMappedRange(0,o);new Uint8Array(a).set(new Uint8Array(r)),i.unmap();const s=e.createCommandEncoder();s.copyBufferToBuffer(i,0,t,0,o);const l=s.finish();e.queue.submit([l]),i.destroy()}(t.device.getHandle(),t.handle,0,e.buffer)},e.createAndWrite=(e,n)=>{t.handle=t.device.getHandle().createBuffer({size:e.byteLength,usage:n,mappedAtCreation:!0,label:t.label}),t.sizeInBytes=e.byteLength,t.usage=n,new Uint8Array(t.handle.getMappedRange()).set(new Uint8Array(e.buffer)),t.handle.unmap()};for(let n=0;n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,mu,n),gt.obj(e,t),gt.get(e,t,["handle","sizeInBytes","usage"]),gt.setGet(e,t,["strideInBytes","device","arrayInformation","label","sourceTime"]),hu(e,t)}var vu={newInstance:gt.newInstance(gu),extend:gu,...pu};const{Representation:yu,Interpolation:bu}=ca;function xu(e){return()=>gt.vtkErrorMacro(`vtkProperty::${e} - NOT IMPLEMENTED`)}function _u(e,t){t.classHierarchy.push("vtkProperty"),e.setColor=(n,r,o)=>{Array.isArray(n)?t.color[0]===n[0]&&t.color[1]===n[1]&&t.color[2]===n[2]||(t.color[0]=n[0],t.color[1]=n[1],t.color[2]=n[2],e.modified()):t.color[0]===n&&t.color[1]===r&&t.color[2]===o||(t.color[0]=n,t.color[1]=r,t.color[2]=o,e.modified()),e.setDiffuseColor(t.color),e.setAmbientColor(t.color),e.setSpecularColor(t.color)},e.computeCompositeColor=xu("ComputeCompositeColor"),e.getColor=()=>{let e=0;t.ambient+t.diffuse+t.specular>0&&(e=1/(t.ambient+t.diffuse+t.specular));for(let n=0;n<3;n++)t.color[n]=e*(t.ambient*t.ambientColor[n]+t.diffuse*t.diffuseColor[n]+t.specular*t.specularColor[n]);return[].concat(t.color)},e.setSpecularPower=n=>{const r=1/Math.max(1,n);t.roughness===r&&t.specularPower===n||(t.specularPower=n,t.roughness=r,e.modified())},e.addShaderVariable=xu("AddShaderVariable"),e.setInterpolationToFlat=()=>e.setInterpolation(bu.FLAT),e.setInterpolationToGouraud=()=>e.setInterpolation(bu.GOURAUD),e.setInterpolationToPhong=()=>e.setInterpolation(bu.PHONG),e.getInterpolationAsString=()=>gt.enumToString(bu,t.interpolation),e.setRepresentationToWireframe=()=>e.setRepresentation(yu.WIREFRAME),e.setRepresentationToSurface=()=>e.setRepresentation(yu.SURFACE),e.setRepresentationToPoints=()=>e.setRepresentation(yu.POINTS),e.getRepresentationAsString=()=>gt.enumToString(yu,t.representation)}const Tu={color:[1,1,1],ambientColor:[1,1,1],diffuseColor:[1,1,1],specularColor:[1,1,1],edgeColor:[0,0,0],ambient:0,diffuse:1,metallic:0,roughness:.6,normalStrength:1,emission:1,baseIOR:1.45,specular:0,specularPower:1,opacity:1,interpolation:bu.GOURAUD,representation:yu.SURFACE,edgeVisibility:!1,backfaceCulling:!1,frontfaceCulling:!1,pointSize:1,lineWidth:1,lighting:!0,shading:!1,materialName:null};function Su(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Tu,n),gt.obj(e,t),gt.setGet(e,t,["lighting","interpolation","ambient","diffuse","metallic","roughness","normalStrength","emission","baseIOR","specular","specularPower","opacity","edgeVisibility","lineWidth","pointSize","backfaceCulling","frontfaceCulling","representation","diffuseTexture","metallicTexture","roughnessTexture","normalTexture","ambientOcclusionTexture","emissionTexture"]),gt.setGetArray(e,t,["ambientColor","specularColor","diffuseColor","edgeColor"],3),_u(e,t)}var wu={newInstance:gt.newInstance(Su,"vtkProperty"),extend:Su,...ca};const{Representation:Cu}=wu,{PrimitiveTypes:Au}=pu;class Eu{constructor(){this.keys=new Uint32Array(10),this.values=new Uint32Array(10),this.count=0}clear(){this.count=0}has(e){for(let t=0;t2)for(let i=0;i2){for(let i=0;i{const n=e.cells,r=e.primitiveType,o=e.representation,i=e.cellOffset,a=n.getData(),s=a.length,l=function(e){switch(e){case Au.Points:return"points";case Au.Lines:return"lines";case Au.Triangles:case Au.TriangleEdges:return"polys";case Au.TriangleStripEdges:case Au.TriangleStrips:return"strips";default:return""}}(r),u=e.numberOfPoints,c={provokedPointIds:new Uint8Array(u),extraPoints:0,iboSize:0,flatId:0,iboId:0,cellProvokedMap:new Eu};let d=null;d=o===Cu.POINTS||r===Au.Points?Fu.anythingToPoints:o===Cu.WIREFRAME||r===Au.Lines?Fu[`${l}ToWireframe`]:Fu[`${l}ToSurface`],Pu=Ou;let p=i||0;for(let e=0;e2&&void 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2:t+="x2";break;case 3:t.includes("32")||Gu(`unsupported x3 type for ${t}`),t+="x3";break;case 4:t+="x4"}return t}(t),o={hash:`${t.getMTime()}I${n.getMTime()}${r}`,usage:Uu.PointArray,format:r,dataArray:t,indexBuffer:n};return e.getBuffer(o)},e.getFullScreenQuadBuffer=()=>{if(t.fullScreenQuadBuffer)return t.fullScreenQuadBuffer;t.fullScreenQuadBuffer=vu.newInstance(),t.fullScreenQuadBuffer.setDevice(t.device);const e=new Float32Array([-1,-1,0,1,-1,0,1,1,0,-1,-1,0,1,1,0,-1,1,0]);return t.fullScreenQuadBuffer.createAndWrite(e,GPUBufferUsage.VERTEX),t.fullScreenQuadBuffer.setStrideInBytes(12),t.fullScreenQuadBuffer.setArrayInformation([{offset:0,format:"float32x3"}]),t.fullScreenQuadBuffer}}const Xu={device:null,fullScreenQuadBuffer:null};function Ku(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Xu,n),je(e,t),$e(e,t,["device"]),Hu(e,t)}var qu={newInstance:rt(Ku),extend:Ku,...pu};const{BufferUsage:$u}=qu,{vtkErrorMacro:Yu}=gt;function Ju(e,t){t.classHierarchy.push("vtkWebGPUStorageBuffer"),e.addEntry=(e,n)=>{if(t._bufferEntryNames.has(e))return void Yu(`entry named ${e} already exists`);t._bufferEntryNames.set(e,t.bufferEntries.length);const r=$l(n);t.bufferEntries.push({name:e,type:n,sizeInBytes:r,offset:t.sizeInBytes,nativeType:Yl(n)}),t.sizeInBytes+=r},e.send=e=>{if(!t._buffer){const n={nativeArray:t.Float32Array,usage:$u.Storage,label:t.label};return t._buffer=e.getBufferManager().getBuffer(n),t.bindGroupTime.modified(),void t._sendTime.modified()}e.getHandle().queue.writeBuffer(t._buffer.getHandle(),0,t.arrayBuffer,0,t.sizeInBytes*t.numberOfInstances),t._sendTime.modified()},e.createView=e=>{e in t==0&&(t.arrayBuffer||(t.arrayBuffer=new ArrayBuffer(t.sizeInBytes*t.numberOfInstances)),t[e]=gt.newTypedArray(e,t.arrayBuffer))},e.setValue=(n,r,o)=>{const i=t._bufferEntryNames.get(n);if(void 0===i)return void Yu(`entry named ${n} not found in UBO`);const a=t.bufferEntries[i];e.createView(a.nativeType);const 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e=0;et._sendTime.getMTime(),e.getShaderCode=(e,n)=>{const r=[`struct ${t.label}StructEntry\n{`];for(let e=0;e,\n};\n@binding(${e}) @group(${n}) var ${t.label}: ${t.label}Struct;\n`),r.join("\n")},e.getBindGroupEntry=()=>({resource:{buffer:t._buffer.getHandle()}}),e.clearData=()=>{t.numberOfInstances=0,t.sizeInBytes=0,t.bufferEntries=[],t._bufferEntryNames=new Map,t._buffer=null,delete t.arrayBuffer,delete t.Float32Array}}const Qu={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,numberOfInstances:1};function Zu(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Qu,n),gt.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t._sendTime={},gt.obj(t._sendTime,{mtime:0}),t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"read-only-storage"}},gt.get(e,t,["bindGroupTime"]),gt.setGet(e,t,["device","bindGroupLayoutEntry","label","numberOfInstances","sizeInBytes"]),Ju(e,t)}var ec={newInstance:gt.newInstance(Zu,"vtkWebGPUStorageBuffer"),extend:Zu};const{BufferUsage:tc}=qu,{vtkErrorMacro:nc}=gt;function rc(e,t){t.classHierarchy.push("vtkWebGPUUniformBuffer"),e.addEntry=(e,n)=>{t._bufferEntryNames.has(e)?nc(`entry named ${e} already exists`):(t.sortDirty=!0,t._bufferEntryNames.set(e,t.bufferEntries.length),t.bufferEntries.push({name:e,type:n,sizeInBytes:$l(n),offset:-1,nativeType:Yl(n),packed:!1}))},e.sortBufferEntries=()=>{if(!t.sortDirty)return;let e=0;const n=[];let r=4;for(let e=0;e4&&(o.packed=!0,o.offset=e,n.push(o),e+=o.sizeInBytes)}for(let r=0;r{if(!t.UBO){const n={nativeArray:t.Float32Array,usage:tc.UniformArray,label:t.label};t.UBO=e.getBufferManager().getBuffer(n),t.bindGroupTime.modified(),t.sendDirty=!1}t.sendDirty&&(e.getHandle().queue.writeBuffer(t.UBO.getHandle(),0,t.arrayBuffer,0,t.sizeInBytes),t.sendDirty=!1),t.sendTime.modified()},e.createView=e=>{e in t==0&&(t.arrayBuffer||(t.arrayBuffer=new ArrayBuffer(t.sizeInBytes)),t[e]=gt.newTypedArray(e,t.arrayBuffer))},e.setValue=(n,r)=>{e.sortBufferEntries();const o=t._bufferEntryNames.get(n);if(void 0===o)return void nc(`entry named ${n} not found in UBO`);const i=t.bufferEntries[o];e.createView(i.nativeType);const a=t[i.nativeType];i.lastValue!==r&&(a[i.offset/a.BYTES_PER_ELEMENT]=r,t.sendDirty=!0),i.lastValue=r},e.setArray=(n,r)=>{e.sortBufferEntries();const o=t._bufferEntryNames.get(n);if(void 0===o)return void nc(`entry named ${n} not found in UBO`);const i=t.bufferEntries[o];e.createView(i.nativeType);const a=t[i.nativeType];let s=!1;for(let e=0;e({resource:{buffer:t.UBO.getHandle()}}),e.getSendTime=()=>t.sendTime.getMTime(),e.getShaderCode=(n,r)=>{e.sortBufferEntries();const o=[`struct ${t.label}Struct\n{`];for(let e=0;e ${t.label}: ${t.label}Struct;`),o.join("\n")}}const oc={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,bindGroupLayoutEntry:null,bindGroupEntry:null};function ic(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,oc,n),gt.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"uniform"}},t.sendTime={},gt.obj(t.sendTime,{mtime:0}),t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),t.sendDirty=!0,t.sortDirty=!0,gt.get(e,t,["binding","bindGroupTime"]),gt.setGet(e,t,["bindGroupLayoutEntry","device","label","sizeInBytes"]),rc(e,t)}var ac={newInstance:gt.newInstance(ic,"vtkWebGPUUniformBuffer"),extend:ic};const{vtkDebugMacro:sc}=vt,lc="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = mapperUBO.BackgroundColor;\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n",uc=new Float64Array(16),cc=new Float64Array(16);function dc(e,t){t.classHierarchy.push("vtkWebGPURenderer"),e.buildPass=n=>{if(n){if(!t.renderable)return;t.camera=t.renderable.getActiveCamera(),e.updateLights(),e.prepareNodes(),e.addMissingNode(t.camera),e.addMissingNodes(t.renderable.getViewPropsWithNestedProps()),e.removeUnusedNodes(),t.webgpuCamera=e.getViewNodeFor(t.camera),e.updateStabilizedMatrix()}},e.updateStabilizedMatrix=()=>{const e=t.camera.getClippingRange(),n=t.camera.getPositionByReference(),r=[],o=[];Ht(o,t.camera.getDirectionOfProjectionByReference(),.5*(e[0]+e[1])),function(e,t,n){e[0]=t[0]+n[0],e[1]=t[1]+n[1],e[2]=t[2]+n[2]}(r,n,o),tn(o,r,t.stabilizedCenter),nn(o)/(e[1]-e[0])>t.recenterThreshold&&(t.stabilizedCenter=r,t.stabilizedTime.modified())},e.updateLights=()=>{let e=0;const n=t.renderable.getLightsByReference();for(let t=0;t0&&e++;return e||(sc("No lights are on, creating one."),t.renderable.createLight()),e},e.updateUBO=()=>{const n=t.UBO.getSendTime();if(t._parent.getMTime()>n||e.getMTime()>n||t.camera.getMTime()>n||t.renderable.getMTime()>n){const n=t.webgpuCamera.getKeyMatrices(e);t.UBO.setArray("WCVCMatrix",n.wcvc),t.UBO.setArray("SCPCMatrix",n.scpc),t.UBO.setArray("PCSCMatrix",n.pcsc),t.UBO.setArray("SCVCMatrix",n.scvc),t.UBO.setArray("VCPCMatrix",n.vcpc),t.UBO.setArray("WCVCNormals",n.normalMatrix),t.UBO.setValue("LightCount",t.renderable.getLights().length),t.UBO.setValue("MaxEnvironmentMipLevel",t.renderable.getEnvironmentTexture()?.getMipLevel()),t.UBO.setValue("BackgroundDiffuseStrength",t.renderable.getEnvironmentTextureDiffuseStrength()),t.UBO.setValue("BackgroundSpecularStrength",t.renderable.getEnvironmentTextureSpecularStrength());const r=e.getYInvertedTiledSizeAndOrigin();t.UBO.setArray("viewportSize",[r.usize,r.vsize]),t.UBO.setValue("cameraParallel",t.camera.getParallelProjection());const o=t._parent.getDevice();t.UBO.sendIfNeeded(o)}},e.updateSSBO=()=>{const n=t.renderable.getLights(),r=t.webgpuCamera.getKeyMatrices(e);let o=`${t.renderable.getMTime()}`;for(let e=0;e=90?0:2:1,s[l+1]=Math.cos(xn(n[t].getConeAngle())),s[l+2]=Math.cos(xn(n[t].getConeAngle()+n[t].getConeFalloff())),s[l+3]=0}t.SSBO.clearData(),t.SSBO.setNumberOfInstances(n.length),t.SSBO.addEntry("LightPos","vec4"),t.SSBO.addEntry("LightDir","vec4"),t.SSBO.addEntry("LightColor","vec4"),t.SSBO.addEntry("LightData","vec4"),t.SSBO.setAllInstancesFromArray("LightPos",e),t.SSBO.setAllInstancesFromArray("LightDir",o),t.SSBO.setAllInstancesFromArray("LightColor",a),t.SSBO.setAllInstancesFromArray("LightData",s);const l=t._parent.getDevice();t.SSBO.send(l)}var i;t.lightTimeString=o},e.scissorAndViewport=t=>{const n=e.getYInvertedTiledSizeAndOrigin();t.getHandle().setViewport(n.lowerLeftU,n.lowerLeftV,n.usize,n.vsize,0,1),t.getHandle().setScissorRect(n.lowerLeftU,n.lowerLeftV,n.usize,n.vsize)},e.bindUBO=e=>{e.activateBindGroup(t.bindGroup)},e.opaquePass=n=>{n?(t.renderEncoder.begin(t._parent.getCommandEncoder()),e.updateUBO(),e.updateSSBO()):(e.scissorAndViewport(t.renderEncoder),e.clear(),t.renderEncoder.end())},e.clear=()=>{if(t.renderable.getTransparent()||t.suppressClear)return;const n=t._parent.getDevice();if(!t.clearFSQ){t.clearFSQ=du.newInstance(),t.clearFSQ.setDevice(n),t.clearFSQ.setPipelineHash("clearfsq"),t.clearFSQ.setFragmentShaderTemplate(lc);const e=ac.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e),t.backgroundTex=t.renderable.getEnvironmentTexture()}if("clearfsqwithtexture"!==t.clearFSQ.getPipelineHash()&&t.renderable.getUseEnvironmentTextureAsBackground()&&t.backgroundTex?.getImageLoaded()){t.clearFSQ.setFragmentShaderTemplate("\nfn vecToRectCoord(dir: vec3) -> vec2 {\n var tau: f32 = 6.28318530718;\n var pi: f32 = 3.14159265359;\n var out: vec2 = vec2(0.0);\n\n out.x = atan2(dir.z, dir.x) / tau;\n out.x += 0.5;\n\n var phix: f32 = length(vec2(dir.x, dir.z));\n out.y = atan2(dir.y, phix) / pi + 0.5;\n\n return out;\n}\n\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var tcoord: vec4 = vec4(input.vertexVC.xy, -1, 1);\n var V: vec4 = normalize(mapperUBO.FSQMatrix * tcoord); // vec2((input.tcoordVS.x - 0.5) * 2, -(input.tcoordVS.y - 0.5) * 2);\n // textureSampleLevel gets rid of some ugly artifacts\n var background = textureSampleLevel(EnvironmentTexture, EnvironmentTextureSampler, vecToRectCoord(V.xyz), 0);\n var computedColor: vec4 = vec4(background.rgb, 1);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n");const e=ac.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e);const r=n.getTextureManager().getTextureForVTKTexture(t.backgroundTex);if(r.getReady()){const e=r.createView("EnvironmentTexture");t.clearFSQ.setTextureViews([e]),t.backgroundTexLoaded=!0;const o=t.backgroundTex.getInterpolate()?"linear":"nearest";e.addSampler(n,{addressModeU:"repeat",addressModeV:"clamp-to-edge",addressModeW:"repeat",minFilter:o,magFilter:o,mipmapFilter:"linear"})}t.clearFSQ.setPipelineHash("clearfsqwithtexture")}else if("clearfsqwithtexture"===t.clearFSQ.getPipelineHash()&&!t.renderable.getUseEnvironmentTextureAsBackground()){t.clearFSQ=du.newInstance(),t.clearFSQ.setDevice(n),t.clearFSQ.setPipelineHash("clearfsq"),t.clearFSQ.setFragmentShaderTemplate(lc);const e=ac.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e)}const r=t.webgpuCamera.getKeyMatrices(e),o=t.renderable.getBackgroundByReference();t.clearFSQ.getUBO().setArray("BackgroundColor",o),h(cc,r.normalMatrix),re(uc,r.scvc,r.pcsc),re(uc,cc,uc),t.clearFSQ.getUBO().setArray("FSQMatrix",uc),t.clearFSQ.getUBO().sendIfNeeded(n),t.clearFSQ.prepareAndDraw(t.renderEncoder)},e.translucentPass=n=>{n?t.renderEncoder.begin(t._parent.getCommandEncoder()):(e.scissorAndViewport(t.renderEncoder),t.renderEncoder.end())},e.volumeDepthRangePass=n=>{n?t.renderEncoder.begin(t._parent.getCommandEncoder()):(e.scissorAndViewport(t.renderEncoder),t.renderEncoder.end())},e.getAspectRatio=()=>{const e=t._parent.getSizeByReference(),n=t.renderable.getViewportByReference();return e[0]*(n[2]-n[0])/((n[3]-n[1])*e[1])},e.convertToOpenGLDepth=e=>t.webgpuCamera.convertToOpenGLDepth(e),e.getYInvertedTiledSizeAndOrigin=()=>{const n=e.getTiledSizeAndOrigin(),r=t._parent.getSizeByReference();return n.lowerLeftV=r[1]-n.vsize-n.lowerLeftV,n},e.getTiledSizeAndOrigin=()=>{const e=t.renderable.getViewportByReference(),n=[0,0,1,1],r=e[0]-n[0],o=e[1]-n[1],i=t._parent.normalizedDisplayToDisplay(r,o),a=Math.round(i[0]),s=Math.round(i[1]),l=e[2]-n[0],u=e[3]-n[1],c=t._parent.normalizedDisplayToDisplay(l,u);let d=Math.round(c[0])-a,p=Math.round(c[1])-s;return d<0&&(d=0),p<0&&(p=0),{usize:d,vsize:p,lowerLeftU:a,lowerLeftV:s}},e.getPropFromID=e=>{for(let n=0;nt.stabilizedTime.getMTime(),e.releaseGraphicsResources=()=>{null!==t.selector&&t.selector.releaseGraphicsResources()}}const pc={bindGroup:null,selector:null,renderEncoder:null,recenterThreshold:20,suppressClear:!1,stabilizedCenter:[0,0,0]};const fc=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,pc,n),Tt.extend(e,t,n),t.UBO=ac.newInstance({label:"rendererUBO"}),t.UBO.addEntry("WCVCMatrix","mat4x4"),t.UBO.addEntry("SCPCMatrix","mat4x4"),t.UBO.addEntry("PCSCMatrix","mat4x4"),t.UBO.addEntry("SCVCMatrix","mat4x4"),t.UBO.addEntry("VCPCMatrix","mat4x4"),t.UBO.addEntry("WCVCNormals","mat4x4"),t.UBO.addEntry("viewportSize","vec2"),t.UBO.addEntry("LightCount","i32"),t.UBO.addEntry("MaxEnvironmentMipLevel","f32"),t.UBO.addEntry("BackgroundDiffuseStrength","f32"),t.UBO.addEntry("BackgroundSpecularStrength","f32"),t.UBO.addEntry("cameraParallel","u32"),t.SSBO=ec.newInstance({label:"rendererLightSSBO"}),t.lightTimeString="",t.bindGroup=El.newInstance({label:"rendererBG"}),t.bindGroup.setBindables([t.UBO,t.SSBO]),t.tmpMat4=f(new Float64Array(16)),t.stabilizedTime={},je(t.stabilizedTime,{mtime:0}),He(e,t,["bindGroup","stabilizedTime"]),Ye(e,t,["stabilizedCenter"]),$e(e,t,["renderEncoder","selector","suppressClear","UBO"]),dc(e,t)}),"vtkWebGPURenderer");function hc(e,t){t.classHierarchy.push("vtkWebGPUSampler"),e.create=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};t.device=e,t.options.addressModeU=n.addressModeU?n.addressModeU:"clamp-to-edge",t.options.addressModeV=n.addressModeV?n.addressModeV:"clamp-to-edge",t.options.addressModeW=n.addressModeW?n.addressModeW:"clamp-to-edge",t.options.magFilter=n.magFilter?n.magFilter:"nearest",t.options.minFilter=n.minFilter?n.minFilter:"nearest",t.options.mipmapFilter=n.mipmapFilter?n.mipmapFilter:"nearest",t.options.label=t.label,t.handle=t.device.getHandle().createSampler(t.options),t.bindGroupTime.modified()},e.getShaderCode=(e,n)=>`@binding(${e}) @group(${n}) var ${t.label}: sampler;`,e.getBindGroupEntry=()=>({resource:t.handle})}gl("vtkRenderer",fc);const mc={device:null,handle:null,label:null,options:null};function gc(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,mc,n),gt.obj(e,t),t.options={},t.bindGroupLayoutEntry={visibility:GPUShaderStage.VERTEX|GPUShaderStage.FRAGMENT,sampler:{}},t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),gt.get(e,t,["bindGroupTime","handle","options"]),gt.setGet(e,t,["bindGroupLayoutEntry","device","label"]),hc(e,t)}var vc={newInstance:gt.newInstance(gc),extend:gc};const{SlicingMode:yc}=Is,bc="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Image::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n //VTK::Image::Sample\n\n // var computedColor: vec4 = vec4(1.0,0.7, 0.5, 1.0);\n\n//VTK::RenderEncoder::Impl\n\n return output;\n}\n",xc=new Float64Array(16),_c=new Float64Array(16),Tc=new Float64Array(16),Sc=new Float64Array(4),wc=new Float64Array(4);function Cc(e,t){t.classHierarchy.push("vtkWebGPUImageMapper"),e.buildPass=n=>{if(n){t.WebGPUImageSlice=e.getFirstAncestorOfType("vtkWebGPUImageSlice"),t.WebGPURenderer=t.WebGPUImageSlice.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent(),t.device=t.WebGPURenderWindow.getDevice();const n=t.WebGPURenderer.getRenderable();t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(n.getActiveCamera())}},e.translucentPass=t=>{t&&e.render()},e.opaquePass=t=>{t&&e.render()},e.render=()=>{t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.prepareToDraw(t.WebGPURenderer.getRenderEncoder()),t.renderEncoder.registerDrawCallback(t.pipeline,e.draw)},e.computePipelineHash=()=>{const e=t.currentInput.getExtent();e[0]===e[1]||e[2]===e[3]||e[4]===e[5]?(t.dimensions=2,t.pipelineHash="img2"):(t.dimensions=3,t.pipelineHash="img3")},e.updateUBO=()=>{const n=t.UBO.getSendTime(),r=t.WebGPUImageSlice.getRenderable(),o=r.getMapper();if(e.getMTime()>n||t.renderable.getMTime()>n||r.getProperty().getMTime()>n){const e=o.getInputData(),n=t.WebGPURenderer.getStabilizedCenterByReference();f(xc),b(xc,xc,n);const i=r.getMatrix();h(_c,i),m(_c,_c),y(xc,_c,xc);const a=e.getWorldToIndex();y(xc,a,xc),m(Tc,xc),C(_c,[.5,.5,.5]),y(xc,_c,xc);const s=e.getDimensions();f(_c),x(_c,_c,[1/s[0],1/s[1],1/s[2]]),y(xc,_c,xc),t.UBO.setArray("SCTCMatrix",xc);const l=t.currentInput.getExtent(),{ijkMode:u}=t.renderable.getClosestIJKAxis();let c=t.renderable.getSlice();u!==t.renderable.getSlicingMode()&&(c=t.renderable.getSliceAtPosition(c));let d=2,p=0,g=1;u===yc.I?(d=0,p=1,g=2):u===yc.J&&(d=1,p=2,g=0),Sc[d]=c,Sc[p]=l[2*p]-.5,Sc[g]=l[2*g]-.5,Sc[3]=1,Mo(Sc,Sc,Tc),t.UBO.setArray("Origin",Sc),wc[d]=c,wc[p]=l[2*p+1]+.5,wc[g]=l[2*g]-.5,wc[3]=1,Mo(wc,wc,Tc),No(wc,wc,Sc),wc[3]=1,t.UBO.setArray("Axis1",wc),wc[d]=c,wc[p]=l[2*p]-.5,wc[g]=l[2*g+1]+.5,wc[3]=1,Mo(wc,wc,Tc),No(wc,wc,Sc),wc[3]=1,t.UBO.setArray("Axis2",wc);const v=[1,1,1,1],_=[0,0,0,0],T=t.textureViews[0],S=T.getTexture().getScale(),w=T.getTexture().getNumberOfComponents();for(let e=0;e{const n=t.WebGPUImageSlice.getRenderable().getProperty();e.getTextureViews()[0].getTexture().getNumberOfComponents();const r=function(e,t,n){if(t.apply(e)){const t=e.getIndependentComponents();return`${e.getMTime()}-${t}-1`}return"0"}(n,n.getRGBTransferFunction);if(t.colorTextureString!==r){t.numRows=1;const e=new Uint8Array(2*t.numRows*t.rowLength*4);let o=n.getRGBTransferFunction();if(o){const r=new Float32Array(3*t.rowLength);for(let i=0;i<1;i++){o=n.getRGBTransferFunction(i);const a=o.getRange();o.getTable(a[0],a[1],t.rowLength,r,1);for(let n=0;n{n();const r=t.device.getTextureManager().getTextureForImageData(t.currentInput),o=t.textureViews;if(!o[0]||o[0].getTexture()!==r){const e=r.createView("imgTexture");o[0]=e}e.updateLUTImage(),e.updateUBO();const i=t.WebGPUImageSlice.getRenderable().getProperty().getInterpolationType()===Ts?"nearest":"linear";t.clampSampler&&i===t.clampSampler.getOptions().minFilter||(t.clampSampler=vc.newInstance({label:"clampSampler"}),t.clampSampler.create(t.device,{minFilter:i,magFilter:i}),t.additionalBindables=[t.clampSampler])};const r=e.getShaderReplacements();e.replaceShaderPosition=(e,n,r)=>{const o=n.getShaderDescription("vertex");o.addBuiltinOutput("vec4","@builtin(position) Position");let i=o.getCode();const a=["var pos: vec4 = mapperUBO.Origin +"," (vertexBC.x * 0.5 + 0.5) * mapperUBO.Axis1 + (vertexBC.y * 0.5 + 0.5) * mapperUBO.Axis2;","pos.w = 1.0;"];2===t.dimensions?a.push("var tcoord : vec2 = (mapperUBO.SCTCMatrix * pos).xy;"):a.push("var tcoord : vec3 = (mapperUBO.SCTCMatrix * pos).xyz;"),a.push("output.tcoordVS = tcoord;","output.Position = rendererUBO.SCPCMatrix * pos;"),i=Fl.substitute(i,"//VTK::Position::Impl",a).result,o.setCode(i)},r.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderTCoord=(e,n,r)=>{const o=n.getShaderDescription("vertex");2===t.dimensions?o.addOutput("vec2","tcoordVS"):o.addOutput("vec3","tcoordVS")},r.set("replaceShaderTCoord",e.replaceShaderTCoord),e.replaceShaderImage=(e,n,r)=>{const o=n.getShaderDescription("fragment");let i=o.getCode();t.dimensions,i=Fl.substitute(i,"//VTK::Image::Sample",[" var computedColor: vec4 ="," textureSampleLevel(imgTexture, clampSampler, input.tcoordVS, 0.0);","//VTK::Image::Sample"]).result,i=Fl.substitute(i,"//VTK::Image::Sample",[" var coord: vec2 ="," vec2(computedColor.r * mapperUBO.cScale.r + mapperUBO.cShift.r, 0.5);"," computedColor = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);"]).result,o.setCode(i)},r.set("replaceShaderImage",e.replaceShaderImage)}const Ac={rowLength:1024};const Ec=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ac,n),du.extend(e,t,n),e.setFragmentShaderTemplate(bc),t.UBO=ac.newInstance({label:"mapperUBO"}),t.UBO.addEntry("SCTCMatrix","mat4x4"),t.UBO.addEntry("Origin","vec4"),t.UBO.addEntry("Axis2","vec4"),t.UBO.addEntry("Axis1","vec4"),t.UBO.addEntry("cScale","vec4"),t.UBO.addEntry("cShift","vec4"),t.lutBuildTime={},je(t.lutBuildTime,{mtime:0}),t.imagemat=f(new Float64Array(16)),t.imagematinv=f(new Float64Array(16)),t.VBOBuildTime={},je(t.VBOBuildTime),Cc(e,t)}),"vtkWebGPUImageMapper");function Dc(e,t){t.classHierarchy.push("vtkWebGPUImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes()}},e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t.WebGPURenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t.WebGPURenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.getBufferShift=n=>(e.getKeyMatrices(n),t.bufferShift),e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix(),r=e.getStabilizedCenterByReference();t.bufferShift[0]=n[3]-r[0],t.bufferShift[1]=n[7]-r[1],t.bufferShift[2]=n[11]-r[2],h(t.keyMatrices.bcwc,n),t.renderable.getIsIdentity()?f(t.keyMatrices.normalMatrix):(c(t.keyMatrices.normalMatrix,t.keyMatrices.bcwc),t.keyMatrices.normalMatrix[3]=0,t.keyMatrices.normalMatrix[7]=0,t.keyMatrices.normalMatrix[11]=0,m(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix),h(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix)),b(t.keyMatrices.bcwc,t.keyMatrices.bcwc,[-t.bufferShift[0],-t.bufferShift[1],-t.bufferShift[2]]),b(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]),t.keyMatricesTime.modified()}return t.keyMatrices}}gl("vtkImageMapper",Ec);const Ic={bufferShift:void 0,keyMatrixTime:null,keyMatrices:null,propID:void 0};const Oc=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ic,n),Tt.extend(e,t,n),t.keyMatricesTime={},je(t.keyMatricesTime,{mtime:0}),t.keyMatrices={normalMatrix:new Float64Array(16),bcwc:new Float64Array(16),bcsc:new Float64Array(16)},t.keyMatrixTime={},je(t.keyMatrixTime,{mtime:0}),t.keyMatrices={mcwc:f(new Float64Array(16))},t.bufferShift=[0,0,0,0],He(e,t,["propID","keyMatricesTime"]),Dc(e,t)}),"vtkWebGPUImageSlice");function Pc(e,t){t.classHierarchy.push("vtkWebGPUVolume"),e.buildPass=n=>{t.renderable&&t.renderable.getVisibility()&&n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),t.renderable.getMapper().update())},e.queryPass=(n,r)=>{if(n){if(!t.renderable||!t.renderable.getVisibility())return;const n=t.renderable.getMapper().getBounds();if(!n||6!==n.length||n[0]>n[1])return;r.addVolume(e)}};const n=new Float64Array(3),r=new Float64Array(3);e.getBoundingCubePoints=(e,o)=>{const i=t.renderable.getMapper().getInputData();if(!i)return;const a=i.getExtent(),s=t.renderable.getMatrix();let l=0;for(let t=4;t<6;t++){n[2]=a[t];for(let t=2;t<4;t++){n[1]=a[t];for(let t=0;t<2;t++){n[0]=a[t],i.indexToWorld(n,r);let u=o+3*l;e[u++]=s[0]*r[0]+s[1]*r[1]+s[2]*r[2]+s[3],e[u++]=s[4]*r[0]+s[5]*r[1]+s[6]*r[2]+s[7],e[u++]=s[8]*r[0]+s[9]*r[1]+s[10]*r[2]+s[11],l++}}}},e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix(),r=e.getStabilizedCenterByReference();h(t.keyMatrices.bcwc,n),b(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]),t.keyMatricesTime.modified()}return t.keyMatrices}}gl("vtkImageSlice",Oc);const Nc={propID:void 0,keyMatricesTime:null};const Mc=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Nc,n),Tt.extend(e,t,n),t.keyMatricesTime={},gt.obj(t.keyMatricesTime,{mtime:0}),t.keyMatrices={bcwc:new Float64Array(16),bcsc:new Float64Array(16)},gt.get(e,t,["propID","keyMatricesTime"]),Pc(e,t)}),"vtkWebGPUVolume");function Rc(e,t){t.classHierarchy.push("vtkWebGPUPixelSpaceCallbackMapper"),e.opaquePass=(n,r)=>{t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent();const o=t.WebGPURenderer.getAspectRatio(),i=t.WebGPURenderer?t.WebGPURenderer.getRenderable().getActiveCamera():null,a=t.WebGPURenderer.getTiledSizeAndOrigin();t.renderable.getUseZValues(),t.renderable.invokeCallback(t.renderable.getInputData(),i,o,a,null)}}gl("vtkVolume",Mc);const Fc={};const kc=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fc,n),Tt.extend(e,t,n),Rc(e,t)}),"vtkWebGPUPixelSpaceCallbackMapper");gl("vtkPixelSpaceCallbackMapper",kc);var Lc=Uint8Array,Bc=Uint16Array,Vc=Uint32Array,Uc=new Lc([0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0,0]),Gc=new Lc([0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,0,0]),zc=new Lc([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]),jc=function(e,t){for(var n=new Bc(31),r=0;r<31;++r)n[r]=t+=1<>>1|(21845&Yc)<<1;Jc=(61680&(Jc=(52428&Jc)>>>2|(13107&Jc)<<2))>>>4|(3855&Jc)<<4,$c[Yc]=((65280&Jc)>>>8|(255&Jc)<<8)>>>1}var Qc=function(e,t,n){for(var r=e.length,o=0,i=new Bc(t);o>>l]=u}else for(a=new Bc(r),o=0;o>>15-e[o]);return a},Zc=new Lc(288);for(Yc=0;Yc<144;++Yc)Zc[Yc]=8;for(Yc=144;Yc<256;++Yc)Zc[Yc]=9;for(Yc=256;Yc<280;++Yc)Zc[Yc]=7;for(Yc=280;Yc<288;++Yc)Zc[Yc]=8;var ed=new Lc(32);for(Yc=0;Yc<32;++Yc)ed[Yc]=5;var td=Qc(Zc,9,1),nd=Qc(ed,5,1),rd=function(e){for(var t=e[0],n=1;nt&&(t=e[n]);return t},od=function(e,t,n){var r=t/8|0;return(e[r]|e[r+1]<<8)>>(7&t)&n},id=function(e,t){var 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Zd.MAGNITUDE:default:{const o=Wr.newInstance({numberOfComponents:1,values:new Float32Array(t.getNumberOfTuples())});e.mapVectorsToMagnitude(t,o,s),e.mapScalarsThroughTable(o,n,r,0);break}}},e.luminanceToRGBA=(e,t,n,r)=>{const o=r(n),i=t.getData(),a=e.getData(),s=i.length;let l=0;for(let e=0;e{const o=t.getData(),i=e.getData(),a=o.length;let s=0;for(let e=0;e{const o=op(n),i=t.getData(),a=e.getData(),s=i.length;let l=0;for(let e=0;e{const o=t.getData(),i=e.getData(),a=o.length;let s=0;for(let e=0;e{let{alpha:i}=t;if(4===r&&i>=1&&n.getDataType()===ep.UNSIGNED_CHAR)return n;const a=Wr.newInstance({numberOfComponents:4,empty:!0,size:4*o,dataType:ep.UNSIGNED_CHAR});if(o<=0)return a;i=i>0?i:0,i=i<1?i:1;let s=rp;switch(n.getDataType()!==ep.FLOAT&&n.getDataType()!==ep.DOUBLE||(s=op),r){case 1:e.luminanceToRGBA(a,n,i,s);break;case 2:e.luminanceAlphaToRGBA(a,n,s);break;case 3:e.rGBToRGBA(a,n,i,s);break;case 4:e.rGBAToRGBA(a,n,i,s);break;default:return np("Cannot convert colors"),null}return 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lp={newInstance:gt.newInstance(sp,"vtkScalarsToColors"),extend:sp,...Yd},up={ColorSpace:{RGB:0,HSV:1,LAB:2,DIVERGING:3},Scale:{LINEAR:0,LOG10:1}};const{ColorSpace:cp,Scale:dp}=up,{ScalarMappingTarget:pp}=lp,{vtkDebugMacro:fp,vtkErrorMacro:hp,vtkWarningMacro:mp}=gt;function gp(e,t){const n=e[0],r=e[1],o=e[2],i=Math.sqrt(n*n+r*r+o*o),a=i>.001?Math.acos(n/i):0,s=a>.001?Math.atan2(o,r):0;t[0]=i,t[1]=a,t[2]=s}function vp(e,t){if(e[0]>=t-.1)return e[2];const n=e[1]*Math.sqrt(t*t-e[0]*e[0])/(e[0]*Math.sin(e[1]));return e[2]>-.3*Math.PI?e[2]+n:e[2]-n}function yp(e,t,n,r){const o=[],i=[];gr(t,o),gr(n,i);const a=[],s=[];gp(o,a),gp(i,s);let l=e;if(a[1]>.05&&s[1]>.05&&function(e,t){let n=e-t;for(n<0&&(n=-n);n>=2*Math.PI;)n-=2*Math.PI;return n>Math.PI&&(n=2*Math.PI-n),n}(a[2],s[2])>.33*Math.PI){let t=Math.max(a[0],s[0]);t=Math.max(88,t),e<.5?(s[0]=t,s[1]=0,s[2]=0,l*=2):(a[0]=t,a[1]=0,a[2]=0,l=2*l-1)}a[1]<.05&&s[1]>.05?a[2]=vp(s,a[0]):s[1]<.05&&a[1]>.05&&(s[2]=vp(a,s[0]));const u=[];u[0]=(1-l)*a[0]+l*s[0],u[1]=(1-l)*a[1]+l*s[1],u[2]=(1-l)*a[2]+l*s[2];const c=[];!function(e,t){const n=e[0],r=e[1],o=e[2];t[0]=n*Math.cos(r),t[1]=n*Math.sin(r)*Math.cos(o),t[2]=n*Math.sin(r)*Math.sin(o)}(u,c),vr(c,r)}function bp(e,t){t.classHierarchy.push("vtkColorTransferFunction"),e.getSize=()=>t.nodes.length,e.addRGBPoint=(t,n,r,o)=>e.addRGBPointLong(t,n,r,o,.5,0),e.addRGBPointLong=function(n,r,o,i){let a=arguments.length>4&&void 0!==arguments[4]?arguments[4]:.5,s=arguments.length>5&&void 0!==arguments[5]?arguments[5]:0;if(a<0||a>1)return hp("Midpoint outside range [0.0, 1.0]"),-1;if(s<0||s>1)return hp("Sharpness outside range [0.0, 1.0]"),-1;t.allowDuplicateScalars||e.removePoint(n);const l={x:n,r:r,g:o,b:i,midpoint:a,sharpness:s};t.nodes.push(l),e.sortAndUpdateRange();let u=0;for(;ue.addHSVPointLong(t,n,r,o,.5,0),e.addHSVPointLong=function(t,n,r,o){let i=arguments.length>4&&void 0!==arguments[4]?arguments[4]:.5,a=arguments.length>5&&void 0!==arguments[5]?arguments[5]:0;const s=[],l=[n,r,o];return dr(l,s),e.addRGBPoint(t,s[0],s[1],s[2],i,a)},e.setNodes=n=>{if(t.nodes!==n){const r=JSON.stringify(t.nodes);t.nodes=n;const o=JSON.stringify(t.nodes);if(e.sortAndUpdateRange()||r!==o)return e.modified(),!0}return!1},e.sortAndUpdateRange=()=>{const n=JSON.stringify(t.nodes);t.nodes.sort(((e,t)=>e.x-t.x));const r=JSON.stringify(t.nodes),o=e.updateRange();return o||n===r?o:(e.modified(),!0)},e.updateRange=()=>{const n=[2];n[0]=t.mappingRange[0],n[1]=t.mappingRange[1];const r=t.nodes.length;return r?(t.mappingRange[0]=t.nodes[0].x,t.mappingRange[1]=t.nodes[r-1].x):(t.mappingRange[0]=0,t.mappingRange[1]=0),(n[0]!==t.mappingRange[0]||n[1]!==t.mappingRange[1])&&(e.modified(),!0)},e.removePoint=n=>{let r=0;for(;r=t.nodes.length)return-1;let i=!1;return t.nodes.splice(r,1),0!==r&&r!==t.nodes.length||(i=e.updateRange()),i||e.modified(),o},e.movePoint=(n,r)=>{if(n!==r){e.removePoint(r);for(let o=0;o{t.nodes=[],e.sortAndUpdateRange()},e.addRGBSegment=(n,r,o,i,a,s,l,u)=>{e.sortAndUpdateRange();for(let e=0;e=n&&t.nodes[e].x<=a?t.nodes.splice(e,1):e++;e.addRGBPointLong(n,r,o,i,.5,0),e.addRGBPointLong(a,s,l,u,.5,0),e.modified()},e.addHSVSegment=(t,n,r,o,i,a,s,l)=>{const u=[a,s,l],c=[],d=[];dr([n,r,o],c),dr(u,d),e.addRGBSegment(t,c[0],c[1],c[2],i,d[0],d[1],d[2])},e.mapValue=t=>{const n=[];return e.getColor(t,n),[Math.floor(255*n[0]+.5),Math.floor(255*n[1]+.5),Math.floor(255*n[2]+.5),255]},e.getColor=(n,r)=>{if(t.indexedLookup){const t=e.getSize(),o=e.getAnnotatedValueIndexInternal(n);if(o<0||0===t){const t=e.getNanColorByReference();r[0]=t[0],r[1]=t[1],r[2]=t[2]}else{const n=[];e.getNodeValue(o%t,n),r[0]=n[1],r[1]=n[2],r[2]=n[3]}}else e.getTable(n,n,1,r)},e.getRedValue=t=>{const n=[];return e.getColor(t,n),n[0]},e.getGreenValue=t=>{const n=[];return e.getColor(t,n),n[1]},e.getBlueValue=t=>{const n=[];return e.getColor(t,n),n[2]},e.getTable=(n,r,o,i)=>{const a=Number(n),s=Number(r);if(Er(a)||Er(s)){for(let e=0;e0);let T=0,S=0,w=0;_&&(T=Math.log10(a),S=Math.log10(s));for(let n=0;n1?_?(w=T+n/(o-1)*(S-T),f=10**w):f=a+n/(o-1)*(s-a):_?(w=.5*(T+S),f=10**w):f=.5*(a+s),t.discretize){const e=t.mappingRange;if(f>=e[0]&&f<=e[1]){const n=t.numberOfValues,r=e[1]-e[0];if(n<=1)f=e[0]+r/2;else{const t=(f-e[0])/r,o=Sn(n*t);f=e[0]+o/(n-1)*r}}}for(;lt.nodes[l].x;)l++,l.99999&&(y=.99999));if(f>t.mappingRange[1])i[r]=0,i[r+1]=0,i[r+2]=0,t.clamping&&(e.getUseAboveRangeColor()?(i[r]=t.aboveRangeColor[0],i[r+1]=t.aboveRangeColor[1],i[r+2]=t.aboveRangeColor[2]):(i[r]=c,i[r+1]=d,i[r+2]=p));else if(f0&&(i[r]=t.nodes[0].r,i[r+1]=t.nodes[0].g,i[r+2]=t.nodes[0].b));else if(0===l&&(Math.abs(f-a)<1e-6||t.discretize))u>0?(i[r]=t.nodes[0].r,i[r+1]=t.nodes[0].g,i[r+2]=t.nodes[0].b):(i[r]=0,i[r+1]=0,i[r+2]=0);else{let e=0;if(e=_?(w-h)/(m-h):(f-h)/(m-h),e=e.99){if(e<.5){i[r]=g[0],i[r+1]=g[1],i[r+2]=g[2];continue}i[r]=v[0],i[r+1]=v[1],i[r+2]=v[2];continue}if(b<.01){if(t.colorSpace===cp.RGB)i[r]=(1-e)*g[0]+e*v[0],i[r+1]=(1-e)*g[1]+e*v[1],i[r+2]=(1-e)*g[2]+e*v[2];else if(t.colorSpace===cp.HSV){const n=[],o=[];cr(g,n),cr(v,o),t.hSVWrap&&(n[0]-o[0]>.5||o[0]-n[0]>.5)&&(n[0]>o[0]?n[0]-=1:o[0]-=1);const a=[];a[0]=(1-e)*n[0]+e*o[0],a[0]<0&&(a[0]+=1),a[1]=(1-e)*n[1]+e*o[1],a[2]=(1-e)*n[2]+e*o[2],dr(a,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else if(t.colorSpace===cp.LAB){const t=[],n=[];gr(g,t),gr(v,n);const o=[];o[0]=(1-e)*t[0]+e*n[0],o[1]=(1-e)*t[1]+e*n[1],o[2]=(1-e)*t[2]+e*n[2],vr(o,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else t.colorSpace===cp.DIVERGING?(yp(e,g,v,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]):hp("ColorSpace set to invalid value.",t.colorSpace);continue}e<.5?e=.5*(2*e)**(1+10*b):e>.5&&(e=1-.5*(2*(1-e))**(1+10*b));const n=e*e,o=n*e,a=2*o-3*n+1,s=-2*o+3*n,l=o-2*n+e,u=o-n;let c,d;if(t.colorSpace===cp.RGB)for(let e=0;e<3;e++)c=v[e]-g[e],d=(1-b)*c,i[r+e]=a*g[e]+s*v[e]+l*d+u*d;else if(t.colorSpace===cp.HSV){const e=[],n=[];cr(g,e),cr(v,n),t.hSVWrap&&(e[0]-n[0]>.5||n[0]-e[0]>.5)&&(e[0]>n[0]?e[0]-=1:n[0]-=1);const o=[];for(let t=0;t<3;t++)c=n[t]-e[t],d=(1-b)*c,o[t]=a*e[t]+s*n[t]+l*d+u*d,0===t&&o[t]<0&&(o[t]+=1);dr(o,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else if(t.colorSpace===cp.LAB){const e=[],t=[];gr(g,e),gr(v,t);const n=[];for(let r=0;r<3;r++)c=t[r]-e[r],d=(1-b)*c,n[r]=a*e[r]+s*t[r]+l*d+u*d;vr(n,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else t.colorSpace===cp.DIVERGING?(yp(e,g,v,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]):hp("ColorSpace set to invalid value.");for(let e=0;e<3;e++)i[r+e]=i[r+e]<0?0:i[r+e],i[r+e]=i[r+e]>1?1:i[r+e]}}},e.getUint8Table=function(n,r,o){let i=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(e.getMTime()<=t.buildTime&&t.tableSize===o&&t.tableWithAlpha!==i)return t.table;if(0===t.nodes.length)return hp("Attempting to lookup a value with no points in the function"),t.table;const a=i?4:3;t.tableSize===o&&t.tableWithAlpha===i||(t.table=new Uint8Array(o*a),t.tableSize=o,t.tableWithAlpha=i);const s=[];e.getTable(n,r,o,s);for(let e=0;e{e.removeAllPoints();const r=n.getNumberOfComponents();for(let e=0;e{let a=0;e.removeAllPoints(),o>1&&(a=(r-n)/(o-1));for(let e=0;ee<0||e>=t.nodes.length?(hp("Index out of range!"),-1):(n[0]=t.nodes[e].x,n[1]=t.nodes[e].r,n[2]=t.nodes[e].g,n[3]=t.nodes[e].b,n[4]=t.nodes[e].midpoint,n[5]=t.nodes[e].sharpness,1),e.setNodeValue=(n,r)=>{if(n<0||n>=t.nodes.length)return hp("Index out of range!"),-1;const o=t.nodes[n].x;return t.nodes[n].x=r[0],t.nodes[n].r=r[1],t.nodes[n].g=r[2],t.nodes[n].b=r[3],t.nodes[n].midpoint=r[4],t.nodes[n].sharpness=r[5],o!==r[0]?e.sortAndUpdateRange():e.modified(),1},e.getNumberOfAvailableColors=()=>t.indexedLookup&&e.getSize()?e.getSize():t.tableSize?t.tableSize:16777216,e.getIndexedColor=(t,n)=>{const r=e.getSize();if(r>0&&t>=0){const o=[];e.getNodeValue(t%r,o);for(let e=0;e<3;++e)n[e]=o[e+1];return void(n[3]=1)}const o=e.getNanColorByReference();n[0]=o[0],n[1]=o[1],n[2]=o[2],n[3]=1},e.fillFromDataPointer=(t,n)=>{if(!(t<=0)&&n){e.removeAllPoints();for(let r=0;r{const o=[n,r],i=e.getRange();if(i[1]===o[1]&&i[0]===o[0])return;if(o[1]===o[0])return void hp("attempt to set zero width color range");const a=(o[1]-o[0])/(i[1]-i[0]),s=o[0]-i[0]*a;for(let e=0;e{const r=e.getRange(),o=[];r[0]n[1]?(e.getColor(n[1],o),e.addRGBPoint(n[1],o[0],o[1],o[2])):(e.getColor(r[1],o),e.addRGBPoint(n[1],o[0],o[1],o[2])),e.sortAndUpdateRange();for(let e=0;e=n[0]&&t.nodes[e].x<=n[1]?t.nodes.splice(e,1):++e;return 1},e.estimateMinNumberOfSamples=(t,n)=>{const r=e.findMinimumXDistance();return Math.ceil((n-t)/r)},e.findMinimumXDistance=()=>{if(t.nodes.length<2)return-1;let e=Number.MAX_VALUE;for(let n=0;n{0!==e.getSize()?t.indexedLookup?e.mapDataIndexed(n,r,o,i):e.mapData(n,r,o,i):fp("Transfer Function Has No Points!")},e.mapData=(t,n,r,o)=>{if(0===e.getSize())return void mp("Transfer Function Has No Points!");const i=Math.floor(255*e.getAlpha()+.5),a=t.getNumberOfTuples(),s=t.getNumberOfComponents(),l=n.getData(),u=t.getData(),c=[];if(r===pp.RGBA)for(let t=0;t{const r=JSON.stringify(t.colorSpace);n.ColorSpace&&(t.colorSpace=cp[n.ColorSpace.toUpperCase()],void 0===t.colorSpace&&(hp(`ColorSpace ${n.ColorSpace} not supported, using RGB instead`),t.colorSpace=cp.RGB));let o=r!==JSON.stringify(t.colorSpace);const i=o||JSON.stringify(t.nanColor);if(n.NanColor)for(t.nanColor=[].concat(n.NanColor);t.nanColor.length<4;)t.nanColor.push(1);o=o||i!==JSON.stringify(t.nanColor);const a=o||JSON.stringify(t.nodes);if(n.RGBPoints){const e=n.RGBPoints.length;t.nodes=[];const r=.5,o=0;for(let i=0;i2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,xp,n),lp.extend(e,t,n),t.table=[],t.nodes=[],t.nanColor=[.5,0,0,1],t.belowRangeColor=[0,0,0,1],t.aboveRangeColor=[1,1,1,1],t.buildTime={},gt.obj(t.buildTime),gt.get(e,t,["buildTime","mappingRange"]),gt.setGet(e,t,["useAboveRangeColor","useBelowRangeColor","colorSpace","discretize","numberOfValues"]),gt.setArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"],4),gt.getArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"]),bp(e,t)}var Tp={newInstance:gt.newInstance(_p,"vtkColorTransferFunction"),extend:_p,...up};const{vtkDebugMacro:Sp}=gt;function wp(e,t){t.classHierarchy.push("vtkCamera");const n=new Float64Array(3),r=new Float64Array([0,0,-1]),o=new Float64Array([0,1,0]),i=f(new Float64Array(16)),a=f(new Float64Array(16)),s=new Float64Array(3),l=new Float64Array(3),u=new Float64Array(3),d=f(new Float64Array(16)),p=f(new Float64Array(16)),g=new Float64Array(3),v=new Float64Array(3);function T(){t.viewPlaneNormal[0]=-t.directionOfProjection[0],t.viewPlaneNormal[1]=-t.directionOfProjection[1],t.viewPlaneNormal[2]=-t.directionOfProjection[2]}e.orthogonalizeViewUp=()=>{const n=e.getViewMatrix();t.viewUp[0]=n[4],t.viewUp[1]=n[5],t.viewUp[2]=n[6],e.modified()},e.setPosition=(n,r,o)=>{n===t.position[0]&&r===t.position[1]&&o===t.position[2]||(t.position[0]=n,t.position[1]=r,t.position[2]=o,e.computeDistance(),e.modified())},e.setFocalPoint=(n,r,o)=>{n===t.focalPoint[0]&&r===t.focalPoint[1]&&o===t.focalPoint[2]||(t.focalPoint[0]=n,t.focalPoint[1]=r,t.focalPoint[2]=o,e.computeDistance(),e.modified())},e.setDistance=n=>{if(t.distance===n)return;t.distance=n,t.distance<1e-20&&(t.distance=1e-20,Sp("Distance is set to minimum."));const r=t.directionOfProjection;t.focalPoint[0]=t.position[0]+r[0]*t.distance,t.focalPoint[1]=t.position[1]+r[1]*t.distance,t.focalPoint[2]=t.position[2]+r[2]*t.distance,e.modified()},e.computeDistance=()=>{const e=t.focalPoint[0]-t.position[0],n=t.focalPoint[1]-t.position[1],r=t.focalPoint[2]-t.position[2];if(t.distance=Math.sqrt(e*e+n*n+r*r),t.distance<1e-20){t.distance=1e-20,Sp("Distance is set to minimum.");const e=t.directionOfProjection;t.focalPoint[0]=t.position[0]+e[0]*t.distance,t.focalPoint[1]=t.position[1]+e[1]*t.distance,t.focalPoint[2]=t.position[2]+e[2]*t.distance}t.directionOfProjection[0]=e/t.distance,t.directionOfProjection[1]=n/t.distance,t.directionOfProjection[2]=r/t.distance,T()},e.dolly=n=>{if(n<=0)return;const r=t.distance/n;e.setPosition(t.focalPoint[0]-r*t.directionOfProjection[0],t.focalPoint[1]-r*t.directionOfProjection[1],t.focalPoint[2]-r*t.directionOfProjection[2])},e.roll=n=>{const r=t.position,o=t.focalPoint,i=t.viewUp,a=new Float64Array([i[0],i[1],i[2],0]);f(d);const s=new Float64Array([o[0]-r[0],o[1]-r[1],o[2]-r[2]]);_(d,d,xn(n),s),Mo(a,a,d),t.viewUp[0]=a[0],t.viewUp[1]=a[1],t.viewUp[2]=a[2],e.modified()},e.azimuth=n=>{const 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r=[...t.viewUp,1],o=[],i=[],a=[];r[0]+=t.position[0],r[1]+=t.position[1],r[2]+=t.position[2],Mo(o,[...t.position,1],n),Mo(i,[...t.focalPoint,1],n),Mo(a,r,n),a[0]-=o[0],a[1]-=o[1],a[2]-=o[2],e.setPosition(...o.slice(0,3)),e.setFocalPoint(...i.slice(0,3)),e.setViewUp(...a.slice(0,3))},e.getThickness=()=>t.clippingRange[1]-t.clippingRange[0],e.setThickness=n=>{let r=n;r<1e-20&&(r=1e-20,Sp("Thickness is set to minimum.")),e.setClippingRange(t.clippingRange[0],t.clippingRange[0]+r)},e.setThicknessFromFocalPoint=n=>{let r=n;r<1e-20&&(r=1e-20,Sp("Thickness is set to 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a=(t.windowCenter[0]-1)*r,s=(t.windowCenter[0]+1)*r,u=(t.windowCenter[1]-1)*o,c=(t.windowCenter[1]+1)*o,d=l[0],p=l[1];i[0]=2*d/(s-a),i[5]=2*d/(c-u),i[2]=(a+s)/(s-a),i[6]=(u+c)/(c-u),i[10]=-(d+p)/(p-d),i[14]=-1,i[11]=-2*d*p/(p-d),i[15]=0}}return c(o,i),o},e.getCompositeProjectionMatrix=(t,n,r)=>{const o=e.getViewMatrix(),i=e.getProjectionMatrix(t,n,r);return y(i,o,i),i},e.setDirectionOfProjection=(e,n,r)=>{if(t.directionOfProjection[0]===e&&t.directionOfProjection[1]===n&&t.directionOfProjection[2]===r)return;t.directionOfProjection[0]=e,t.directionOfProjection[1]=n,t.directionOfProjection[2]=r;const o=t.directionOfProjection;t.focalPoint[0]=t.position[0]+o[0]*t.distance,t.focalPoint[1]=t.position[1]+o[1]*t.distance,t.focalPoint[2]=t.position[2]+o[2]*t.distance,T()},e.setDeviceAngles=(n,r,o,i)=>{const a=[3];Bn(t.physicalViewNorth,t.physicalViewUp,a);const s=f(new 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r>e&&(e=r),e},e.getTransparent=()=>!!t.preserveColorBuffer,e.isActiveCameraCreated=()=>!!t.activeCamera}const Cf={pickedProp:null,activeCamera:null,allBounds:[],ambient:[1,1,1],allocatedRenderTime:100,timeFactor:1,automaticLightCreation:!0,twoSidedLighting:!0,lastRenderTimeInSeconds:-1,renderWindow:null,lights:[],actors:[],volumes:[],lightFollowCamera:!0,numberOfPropsRendered:0,propArray:null,pathArray:null,layer:0,preserveColorBuffer:!1,preserveDepthBuffer:!1,computeVisiblePropBounds:Dr(),interactive:!0,nearClippingPlaneTolerance:0,clippingRangeExpansion:.05,erase:!0,draw:!0,useShadows:!1,useDepthPeeling:!1,occlusionRatio:0,maximumNumberOfPeels:4,selector:null,delegate:null,texturedBackground:!1,backgroundTexture:null,environmentTexture:null,environmentTextureDiffuseStrength:1,environmentTextureSpecularStrength:1,useEnvironmentTextureAsBackground:!1,pass:0};function Af(e,t){let n=arguments.length>2&&void 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Df=Object.create(null);function If(e,t){Df[e]=t}function Of(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return Df[e]&&Df[e](t)}function Pf(e,t){t.classHierarchy.push("vtkRenderWindow"),e.addRenderer=n=>{e.hasRenderer(n)||(n.setRenderWindow(e),t.renderers.push(n),e.modified())},e.removeRenderer=n=>{t.renderers=t.renderers.filter((e=>e!==n)),e.modified()},e.hasRenderer=e=>-1!==t.renderers.indexOf(e),e.newAPISpecificView=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return Of(e||t.defaultViewAPI,n)},e.addView=n=>{e.hasView(n)||(n.setRenderable(e),t._views.push(n),e.modified())},e.removeView=n=>{t._views=t._views.filter((e=>e!==n)),e.modified()},e.hasView=e=>-1!==t._views.indexOf(e),e.preRender=()=>{t.renderers.forEach((e=>{e.isActiveCameraCreated()||e.resetCamera()}))},e.render=()=>{e.preRender(),t.interactor?t.interactor.render():t._views.forEach((e=>e.traverseAllPasses()))},e.getStatistics=()=>{const e={propCount:0,invisiblePropCount:0,gpuMemoryMB:0};return t._views.forEach((t=>{e.gpuMemoryMB+=t.getGraphicsMemoryInfo()/1e6})),t.renderers.forEach((n=>{const r=n.getViewProps(),o=t._views[0].getViewNodeFor(n);r.forEach((t=>{if(t.getVisibility()){e.propCount+=1;const n=t.getMapper&&t.getMapper();if(n&&n.getPrimitiveCount){const t=o.getViewNodeFor(n);if(t){e.gpuMemoryMB+=t.getAllocatedGPUMemoryInBytes()/1e6;const r=n.getPrimitiveCount();Object.keys(r).forEach((t=>{e[t]||(e[t]=0),e[t]+=r[t]}))}}}else e.invisiblePropCount+=1}))})),e.str=Object.keys(e).map((t=>`${t}: ${e[t]}`)).join("\n"),e},e.captureImages=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"image/png",r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return gt.setImmediate(e.render),t._views.map((e=>e.captureNextImage?e.captureNextImage(n,r):void 0)).filter((e=>!!e))}}const Nf={defaultViewAPI:"WebGL",renderers:[],views:[],interactor:null,neverRendered:!0,numberOfLayers:1};function 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Lf={Device:Ff,Input:kf,Axis:{Unknown:0,TouchpadX:1,TouchpadY:2,ThumbstickX:3,ThumbstickY:4}};const{Device:Bf,Input:Vf}=Lf,{vtkWarningMacro:Uf,vtkErrorMacro:Gf,normalizeWheel:zf,vtkOnceErrorMacro:jf}=gt,Wf={ctrlKey:!1,altKey:!1,shiftKey:!1},Hf={"xr-standard":[Vf.Trigger,Vf.Grip,Vf.TrackPad,Vf.Thumbstick,Vf.A,Vf.B]},Xf=["StartAnimation","Animation","EndAnimation","PointerEnter","PointerLeave","MouseEnter","MouseLeave","StartMouseMove","MouseMove","EndMouseMove","LeftButtonPress","LeftButtonRelease","MiddleButtonPress","MiddleButtonRelease","RightButtonPress","RightButtonRelease","KeyPress","KeyDown","KeyUp","StartMouseWheel","MouseWheel","EndMouseWheel","StartPinch","Pinch","EndPinch","StartPan","Pan","EndPan","StartRotate","Rotate","EndRotate","Button3D","Move3D","StartPointerLock","EndPointerLock","StartInteraction","Interaction","EndInteraction","AnimationFrameRateUpdate"];function Kf(e){e.cancelable&&e.preventDefault()}function qf(e){const t=Object.create(null);return e.forEach((e=>{let{pointerId:n,position:r}=e;t[n]=r})),t}function $f(e,t){t.classHierarchy.push("vtkRenderWindowInteractor");const n=new Set,r=new Map;let o=1;function i(n,r){t._forcedRenderer||(t.currentRenderer=e.findPokedRenderer(n,r))}e.start=()=>{(t.initialized||(e.initialize(),t.initialized))&&e.startEventLoop()},e.setRenderWindow=e=>{Gf("you want to call setView(view) instead of setRenderWindow on a vtk.js interactor")},e.setInteractorStyle=n=>{t.interactorStyle!==n&&(null!=t.interactorStyle&&t.interactorStyle.setInteractor(null),t.interactorStyle=n,null!=t.interactorStyle&&t.interactorStyle.getInteractor()!==e&&t.interactorStyle.setInteractor(e))},e.initialize=()=>{t.initialized=!0,e.enable(),e.render()},e.enable=()=>e.setEnabled(!0),e.disable=()=>e.setEnabled(!1),e.startEventLoop=()=>Uf("empty event loop"),e.getCurrentRenderer=()=>(t.currentRenderer||i(0,0),t.currentRenderer);const a=t._getScreenEventPositionFor||function(e){const n=t._view.getCanvas(),o=n.getBoundingClientRect(),a=n.width/o.width,s=n.height/o.height,l={x:a*(e.clientX-o.left),y:s*(o.height-e.clientY+o.top),z:0};return(r.size<=1||!t.currentRenderer)&&i(l.x,l.y),l};function s(e){return{controlKey:e.ctrlKey,altKey:e.altKey,shiftKey:e.shiftKey}}function l(e){const t=s(e);return{key:e.key,keyCode:e.charCode,...t}}function u(e){return e.pointerType||""}function c(){t._view&&t.enabled&&t.enableRender&&(t.inRender=!0,t._view.traverseAllPasses(),t.inRender=!1),e.invokeRenderEvent()}e.bindEvents=n=>{t.container=n,n.addEventListener("contextmenu",Kf),n.addEventListener("wheel",e.handleWheel),n.addEventListener("DOMMouseScroll",e.handleWheel),n.addEventListener("pointerenter",e.handlePointerEnter),n.addEventListener("pointerleave",e.handlePointerLeave),n.addEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.addEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.addEventListener("pointerup",e.handlePointerUp),n.addEventListener("pointercancel",e.handlePointerCancel),document.addEventListener("keypress",e.handleKeyPress),document.addEventListener("keydown",e.handleKeyDown),document.addEventListener("keyup",e.handleKeyUp),document.addEventListener("pointerlockchange",e.handlePointerLockChange),n.style.touchAction="none",n.style.userSelect="none",n.style.webkitTapHighlightColor="rgba(0,0,0,0)"},e.unbindEvents=()=>{const{container:n}=t;n.removeEventListener("contextmenu",Kf),n.removeEventListener("wheel",e.handleWheel),n.removeEventListener("DOMMouseScroll",e.handleWheel),n.removeEventListener("pointerenter",e.handlePointerEnter),n.removeEventListener("pointerleave",e.handlePointerLeave),n.removeEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.removeEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.removeEventListener("pointerup",e.handlePointerUp),n.removeEventListener("pointercancel",e.handlePointerCancel),document.removeEventListener("keypress",e.handleKeyPress),document.removeEventListener("keydown",e.handleKeyDown),document.removeEventListener("keyup",e.handleKeyUp),document.removeEventListener("pointerlockchange",e.handlePointerLockChange),t.container=null,r.clear()},e.handleKeyPress=t=>{const n=l(t);e.keyPressEvent(n)},e.handleKeyDown=t=>{const n=l(t);e.keyDownEvent(n)},e.handleKeyUp=t=>{const n=l(t);e.keyUpEvent(n)},e.handlePointerEnter=t=>{const n={...s(t),position:a(t),deviceType:u(t)};e.pointerEnterEvent(n),"mouse"===n.deviceType&&e.mouseEnterEvent(n)},e.handlePointerLeave=t=>{const n={...s(t),position:a(t),deviceType:u(t)};e.pointerLeaveEvent(n),"mouse"===n.deviceType&&e.mouseLeaveEvent(n)},e.handlePointerDown=n=>{if(!(n.button>2||e.isPointerLocked()))switch(t.preventDefaultOnPointerDown&&Kf(n),n.target.hasPointerCapture(n.pointerId)&&n.target.releasePointerCapture(n.pointerId),t.container.setPointerCapture(n.pointerId),r.has(n.pointerId)&&Uf("[RenderWindowInteractor] duplicate pointerId 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pressed: ${t.button}`)}},e.requestPointerLock=()=>{t.container&&t.container.requestPointerLock()},e.exitPointerLock=()=>document.exitPointerLock?.(),e.isPointerLocked=()=>!!t.container&&document.pointerLockElement===t.container,e.handlePointerLockChange=()=>{e.isPointerLocked()?e.startPointerLockEvent():e.endPointerLockEvent()},e.requestAnimation=r=>{void 0!==r?n.has(r)?Uf("requester is already registered for animating"):(n.add(r),t.animationRequest||1!==n.size||t.xrAnimation||(t._animationStartTime=Date.now(),t._animationFrameCount=0,t.animationRequest=requestAnimationFrame(e.handleAnimation),e.startAnimationEvent())):Gf("undefined requester, can not start animating")},e.extendAnimation=r=>{const o=Date.now()+r;t._animationExtendedEnd=Math.max(t._animationExtendedEnd,o),t.animationRequest||0!==n.size||t.xrAnimation||(t._animationStartTime=Date.now(),t._animationFrameCount=0,t.animationRequest=requestAnimationFrame(e.handleAnimation),e.startAnimationEvent())},e.isAnimating=()=>t.xrAnimation||null!==t.animationRequest,e.cancelAnimation=function(r){let o=arguments.length>1&&void 0!==arguments[1]&&arguments[1];if(n.has(r))n.delete(r),t.animationRequest&&0===n.size&&Date.now()>t._animationExtendedEnd&&(cancelAnimationFrame(t.animationRequest),t.animationRequest=null,e.endAnimationEvent(),e.render());else if(!o){const e=r&&r.getClassName?r.getClassName():r;Uf(`${e} did not request an animation`)}},e.switchToXRAnimation=()=>{t.animationRequest&&(cancelAnimationFrame(t.animationRequest),t.animationRequest=null),t.xrAnimation=!0},e.returnFromXRAnimation=()=>{t.xrAnimation=!1,0!==n.size&&(t.recentAnimationFrameRate=10,t.animationRequest=requestAnimationFrame(e.handleAnimation))},e.updateXRGamepads=(n,r,o)=>{n.inputSources.forEach((n=>{const i=null==n.gripSpace?null:r.getPose(n.gripSpace,o),a=n.gamepad,s=n.handedness;if(a){a.index in t.lastGamepadValues||(t.lastGamepadValues[a.index]={left:{buttons:{}},right:{buttons:{}},none:{buttons:{}}});for(let r=0;r{const r={...s(n),position:a(n),deviceType:u(n)};0===t.moveTimeoutID?e.startMouseMoveEvent(r):(e.mouseMoveEvent(r),clearTimeout(t.moveTimeoutID)),t.moveTimeoutID=setTimeout((()=>{e.endMouseMoveEvent(),t.moveTimeoutID=0}),200)},e.handleAnimation=()=>{const r=Date.now();t._animationFrameCount++,r-t._animationStartTime>1e3&&t._animationFrameCount>1&&(t.recentAnimationFrameRate=1e3*(t._animationFrameCount-1)/(r-t._animationStartTime),t.lastFrameTime=1/t.recentAnimationFrameRate,e.animationFrameRateUpdateEvent(),t._animationStartTime=r,t._animationFrameCount=1),e.animationEvent(),c(),n.size>0||Date.now(){Kf(n);const r={...zf(n),...s(n),position:a(n),deviceType:u(n)};0===t.wheelTimeoutID&&(o=Math.abs(r.spinY)>=.3?Math.abs(r.spinY):1),r.spinY/=o,0===t.wheelTimeoutID?(e.startMouseWheelEvent(r),e.mouseWheelEvent(r)):(e.mouseWheelEvent(r),clearTimeout(t.wheelTimeoutID)),t.mouseScrollDebounceByPass?(e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0):t.wheelTimeoutID=setTimeout((()=>{e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0}),200)},e.handleMouseUp=t=>{const n={...s(t),position:a(t),deviceType:u(t)};switch(t.button){case 0:e.leftButtonReleaseEvent(n);break;case 1:e.middleButtonReleaseEvent(n);break;case 2:e.rightButtonReleaseEvent(n);break;default:Gf(`Unknown mouse button released: ${t.button}`)}},e.handleTouchStart=n=>{const o=[...r.values()];if(t.recognizeGestures&&o.length>1){const t=qf(r);if(2===o.length){const t={...s(Wf),position:o[0].position,deviceType:u(n)};e.leftButtonReleaseEvent(t)}e.recognizeGesture("TouchStart",t)}else if(1===o.length){const t={...s(Wf),position:a(n),deviceType:u(n)};e.leftButtonPressEvent(t)}},e.handleTouchMove=n=>{const o=[...r.values()];if(t.recognizeGestures&&o.length>1){const t=qf(r);e.recognizeGesture("TouchMove",t)}else if(1===o.length){const t={...s(Wf),position:o[0].position,deviceType:u(n)};e.mouseMoveEvent(t)}},e.handleTouchEnd=n=>{const o=[...r.values()];if(t.recognizeGestures)if(0===o.length){const t={...s(Wf),position:a(n),deviceType:u(n)};e.leftButtonReleaseEvent(t)}else if(1===o.length){const t=qf(r);e.recognizeGesture("TouchEnd",t);const i={...s(Wf),position:o[0].position,deviceType:u(n)};e.leftButtonPressEvent(i)}else{const t=qf(r);e.recognizeGesture("TouchMove",t)}else if(1===o.length){const t={...s(Wf),position:o[0].position,deviceType:u(n)};e.leftButtonReleaseEvent(t)}},e.setView=n=>{t._view!==n&&(t._view=n,t._view.getRenderable().setInteractor(e),e.modified())},e.getFirstRenderer=()=>t._view?.getRenderable()?.getRenderersByReference()?.[0],e.findPokedRenderer=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;if(!t._view)return null;const r=t._view?.getRenderable()?.getRenderers();if(!r||0===r.length)return null;r.sort(((e,t)=>e.getLayer()-t.getLayer()));let o=null,i=null,a=null,s=r.length;for(;s--;){const l=r[s];if(t._view.isInViewport(e,n,l)&&l.getInteractive()){a=l;break}null===o&&l.getInteractive()&&(o=l),null===i&&t._view.isInViewport(e,n,l)&&(i=l)}return null===a&&(a=o),null===a&&(a=i),null==a&&(a=r[0]),a},e.render=()=>{e.isAnimating()||t.inRender||c()},Xf.forEach((n=>{const r=n.charAt(0).toLowerCase()+n.slice(1);e[`${r}Event`]=r=>{if(!t.enabled)return;if(!e.getCurrentRenderer())return void jf("\n Can not forward events without a current renderer on the interactor.\n ");const o={type:n,pokedRenderer:t.currentRenderer,firstRenderer:e.getFirstRenderer(),...r};e[`invoke${n}`](o)}})),e.recognizeGesture=(n,r)=>{if(Object.keys(r).length>2)return;if(t.startingEventPositions||(t.startingEventPositions={}),"TouchStart"===n)return Object.keys(r).forEach((e=>{t.startingEventPositions[e]=r[e]})),void(t.currentGesture="Start");if("TouchEnd"===n)return"Pinch"===t.currentGesture&&(e.render(),e.endPinchEvent()),"Rotate"===t.currentGesture&&(e.render(),e.endRotateEvent()),"Pan"===t.currentGesture&&(e.render(),e.endPanEvent()),t.currentGesture="Start",void(t.startingEventPositions={});let o=0;const i=[],a=[];Object.keys(r).forEach((e=>{i[o]=r[e],a[o]=t.startingEventPositions[e],o++}));const s=Math.sqrt((a[0].x-a[1].x)*(a[0].x-a[1].x)+(a[0].y-a[1].y)*(a[0].y-a[1].y)),l=Math.sqrt((i[0].x-i[1].x)*(i[0].x-i[1].x)+(i[0].y-i[1].y)*(i[0].y-i[1].y));let u=_n(Math.atan2(a[1].y-a[0].y,a[1].x-a[0].x)),c=_n(Math.atan2(i[1].y-i[0].y,i[1].x-i[0].x)),d=c-u;c=c+180>=360?c-180:c+180,u=u+180>=360?u-180:u+180,Math.abs(c-u)n&&o>i&&o>a){t.currentGesture="Pinch";const n={scale:1,touches:r};e.startPinchEvent(n)}else if(i>n&&i>a){t.currentGesture="Rotate";const n={rotation:0,touches:r};e.startRotateEvent(n)}else if(a>n){t.currentGesture="Pan";const n={translation:[0,0],touches:r};e.startPanEvent(n)}}else{if("Rotate"===t.currentGesture){const t={rotation:d,touches:r};e.rotateEvent(t)}if("Pinch"===t.currentGesture){const t={scale:l/s,touches:r};e.pinchEvent(t)}if("Pan"===t.currentGesture){const t={translation:p,touches:r};e.panEvent(t)}}},e.handleVisibilityChange=()=>{t._animationStartTime=Date.now(),t._animationFrameCount=0},e.setCurrentRenderer=e=>{t._forcedRenderer=!!e,t.currentRenderer=e};const d=e.delete;e.delete=()=>{for(;n.size;)e.cancelAnimation(n.values().next().value);void 0!==document.hidden&&document.removeEventListener("visibilitychange",e.handleVisibilityChange),t.container&&e.unbindEvents(),d()},void 0!==document.hidden&&document.addEventListener("visibilitychange",e.handleVisibilityChange,!1)}const Yf={renderWindow:null,interactorStyle:null,picker:null,pickingManager:null,initialized:!1,enabled:!1,enableRender:!0,currentRenderer:null,lightFollowCamera:!0,desiredUpdateRate:30,stillUpdateRate:2,container:null,recognizeGestures:!0,currentGesture:"Start",animationRequest:null,lastFrameTime:.1,recentAnimationFrameRate:10,wheelTimeoutID:0,moveTimeoutID:0,lastGamepadValues:{},preventDefaultOnPointerDown:!1,preventDefaultOnPointerUp:!1,mouseScrollDebounceByPass:!1};function Jf(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Yf,n),gt.obj(e,t),t._animationExtendedEnd=0,gt.event(e,t,"RenderEvent"),Xf.forEach((n=>gt.event(e,t,n))),gt.get(e,t,["initialized","container","interactorStyle","lastFrameTime","recentAnimationFrameRate","_view"]),gt.setGet(e,t,["lightFollowCamera","enabled","enableRender","recognizeGestures","desiredUpdateRate","stillUpdateRate","picker","preventDefaultOnPointerDown","preventDefaultOnPointerUp","mouseScrollDebounceByPass"]),gt.moveToProtected(e,t,["view"]),$f(e,t)}var Qf={newInstance:gt.newInstance(Jf,"vtkRenderWindowInteractor"),extend:Jf,handledEvents:Xf,...Lf};const{vtkErrorMacro:Zf,VOID:eh}=gt;function th(e,t){t.classHierarchy.push("vtkInteractorObserver");const n={...e};function r(){for(;t.subscribedEvents.length;)t.subscribedEvents.pop().unsubscribe()}function o(){Qf.handledEvents.forEach((n=>{e[`handle${n}`]&&t.subscribedEvents.push(t._interactor[`on${n}`]((r=>t.processEvents?e[`handle${n}`](r):eh),t.priority))}))}e.setInteractor=n=>{n!==t._interactor&&(r(),t._interactor=n,n&&t.enabled&&o(),e.modified())},e.setEnabled=n=>{n!==t.enabled&&(r(),n&&(t._interactor?o():Zf("\n The interactor must be set before subscribing to events\n ")),t.enabled=n,e.modified())},e.computeDisplayToWorld=(e,n,r,o)=>e?t._interactor.getView().displayToWorld(n,r,o,e):null,e.computeWorldToDisplay=(e,n,r,o)=>e?t._interactor.getView().worldToDisplay(n,r,o,e):null,e.setPriority=e=>{n.setPriority(e)&&t._interactor&&(r(),o())}}const nh={enabled:!0,priority:0,processEvents:!0,subscribedEvents:[]};function rh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,nh,n),gt.obj(e,t),gt.event(e,t,"InteractionEvent"),gt.event(e,t,"StartInteractionEvent"),gt.event(e,t,"EndInteractionEvent"),gt.get(e,t,["_interactor","enabled"]),gt.setGet(e,t,["priority","processEvents"]),gt.moveToProtected(e,t,["interactor"]),th(e,t)}var oh={newInstance:gt.newInstance(rh,"vtkInteractorObserver"),extend:rh,computeWorldToDisplay:function(e,t,n,r){return e.getRenderWindow().getViews()[0].worldToDisplay(t,n,r,e)},computeDisplayToWorld:function(e,t,n,r){return e.getRenderWindow().getViews()[0].displayToWorld(t,n,r,e)}},ih={States:{IS_START:0,IS_NONE:0,IS_ROTATE:1,IS_PAN:2,IS_SPIN:3,IS_DOLLY:4,IS_CAMERA_POSE:11,IS_WINDOW_LEVEL:1024,IS_SLICE:1025}};const{States:ah}=ih,sh={Rotate:ah.IS_ROTATE,Pan:ah.IS_PAN,Spin:ah.IS_SPIN,Dolly:ah.IS_DOLLY,CameraPose:ah.IS_CAMERA_POSE,WindowLevel:ah.IS_WINDOW_LEVEL,Slice:ah.IS_SLICE};function lh(e,t){t.classHierarchy.push("vtkInteractorStyle"),Object.keys(sh).forEach((n=>{gt.event(e,t,`Start${n}Event`),e[`start${n}`]=()=>{t.state===ah.IS_NONE&&(t.state=sh[n],t._interactor.requestAnimation(e),e.invokeStartInteractionEvent({type:"StartInteractionEvent"}),e[`invokeStart${n}Event`]({type:`Start${n}Event`}))},gt.event(e,t,`End${n}Event`),e[`end${n}`]=()=>{t.state===sh[n]&&(t.state=ah.IS_NONE,t._interactor.cancelAnimation(e),e.invokeEndInteractionEvent({type:"EndInteractionEvent"}),e[`invokeEnd${n}Event`]({type:`End${n}Event`}),t._interactor.render())}})),e.handleKeyPress=e=>{const n=t._interactor;let r=null;switch(e.key){case"r":case"R":e.pokedRenderer.resetCamera(),n.render();break;case"w":case"W":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToWireframe&&t.setRepresentationToWireframe()})),n.render();break;case"s":case"S":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToSurface&&t.setRepresentationToSurface()})),n.render();break;case"v":case"V":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToPoints&&t.setRepresentationToPoints()})),n.render()}}}const uh={state:ah.IS_NONE,handleObservers:1,autoAdjustCameraClippingRange:1};function ch(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uh,n),oh.extend(e,t,n),lh(e,t)}var dh={newInstance:gt.newInstance(ch,"vtkInteractorStyle"),extend:ch,...ih};const{States:ph}=ih;function fh(e,t){t.classHierarchy.push("vtkInteractorStyleTrackballCamera"),e.handleMouseMove=n=>{const r=n.position,o=n.pokedRenderer;switch(t.state){case ph.IS_ROTATE:e.handleMouseRotate(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case ph.IS_PAN:e.handleMousePan(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case ph.IS_DOLLY:e.handleMouseDolly(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case ph.IS_SPIN:e.handleMouseSpin(o,r),e.invokeInteractionEvent({type:"InteractionEvent"})}t.previousPosition=r},e.handleButton3D=n=>{!n||!n.pressed||n.device!==Ff.RightController||n.input!==kf.Trigger&&n.input!==kf.TrackPad?!n||n.pressed||n.device!==Ff.RightController||n.input!==kf.Trigger&&n.input!==kf.TrackPad||t.state!==ph.IS_CAMERA_POSE||e.endCameraPose():e.startCameraPose()},e.handleMove3D=n=>{t.state===ph.IS_CAMERA_POSE&&e.updateCameraPose(n)},e.updateCameraPose=e=>{const t=e.pokedRenderer.getActiveCamera(),n=t.getPhysicalTranslation(),r=.025*t.getPhysicalScale(),o=t.physicalOrientationToWorldDirection([e.orientation.x,e.orientation.y,e.orientation.z,e.orientation.w]);t.setPhysicalTranslation(n[0]+o[0]*r,n[1]+o[1]*r,n[2]+o[2]*r)},e.handleLeftButtonPress=n=>{const r=n.position;t.previousPosition=r,n.shiftKey?n.controlKey||n.altKey?e.startDolly():e.startPan():n.controlKey||n.altKey?e.startSpin():e.startRotate()},e.handleLeftButtonRelease=()=>{switch(t.state){case ph.IS_DOLLY:e.endDolly();break;case ph.IS_PAN:e.endPan();break;case ph.IS_SPIN:e.endSpin();break;case ph.IS_ROTATE:e.endRotate()}},e.handleStartMouseWheel=()=>{e.startDolly()},e.handleEndMouseWheel=()=>{e.endDolly()},e.handleStartPinch=n=>{t.previousScale=n.scale,e.startDolly()},e.handleEndPinch=()=>{e.endDolly()},e.handleStartRotate=n=>{t.previousRotation=n.rotation,e.startRotate()},e.handleEndRotate=()=>{e.endRotate()},e.handleStartPan=n=>{t.previousTranslation=n.translation,e.startPan()},e.handleEndPan=()=>{e.endPan()},e.handlePinch=n=>{e.dollyByFactor(n.pokedRenderer,n.scale/t.previousScale),t.previousScale=n.scale},e.handlePan=n=>{const r=n.pokedRenderer.getActiveCamera();let o=r.getFocalPoint();o=e.computeWorldToDisplay(n.pokedRenderer,o[0],o[1],o[2]);const i=o[2],a=n.translation,s=t.previousTranslation,l=e.computeDisplayToWorld(n.pokedRenderer,o[0]+a[0]-s[0],o[1]+a[1]-s[1],i),u=e.computeDisplayToWorld(n.pokedRenderer,o[0],o[1],i),c=[];c[0]=u[0]-l[0],c[1]=u[1]-l[1],c[2]=u[2]-l[2],o=r.getFocalPoint();const d=r.getPosition();r.setFocalPoint(c[0]+o[0],c[1]+o[1],c[2]+o[2]),r.setPosition(c[0]+d[0],c[1]+d[1],c[2]+d[2]),t._interactor.getLightFollowCamera()&&n.pokedRenderer.updateLightsGeometryToFollowCamera(),r.orthogonalizeViewUp(),t.previousTranslation=n.translation},e.handleRotate=e=>{const n=e.pokedRenderer.getActiveCamera();n.roll(e.rotation-t.previousRotation),n.orthogonalizeViewUp(),t.previousRotation=e.rotation},e.handleMouseRotate=(e,n)=>{if(!t.previousPosition)return;const r=t._interactor,o=n.x-t.previousPosition.x,i=n.y-t.previousPosition.y,a=r.getView().getViewportSize(e);let s=-.1,l=-.1;a[0]&&a[1]&&(s=-20/a[1],l=-20/a[0]);const u=o*l*t.motionFactor,c=i*s*t.motionFactor,d=e.getActiveCamera();Number.isNaN(u)||Number.isNaN(c)||(d.azimuth(u),d.elevation(c),d.orthogonalizeViewUp()),t.autoAdjustCameraClippingRange&&e.resetCameraClippingRange(),r.getLightFollowCamera()&&e.updateLightsGeometryToFollowCamera()},e.handleMouseSpin=(e,n)=>{if(!t.previousPosition)return;const r=t._interactor,o=e.getActiveCamera(),i=r.getView().getViewportCenter(e),a=_n(Math.atan2(t.previousPosition.y-i[1],t.previousPosition.x-i[0])),s=_n(Math.atan2(n.y-i[1],n.x-i[0]))-a;Number.isNaN(s)||(o.roll(s),o.orthogonalizeViewUp())},e.handleMousePan=(n,r)=>{if(!t.previousPosition)return;const o=n.getActiveCamera();let i=o.getFocalPoint();i=e.computeWorldToDisplay(n,i[0],i[1],i[2]);const a=i[2],s=e.computeDisplayToWorld(n,r.x,r.y,a),l=e.computeDisplayToWorld(n,t.previousPosition.x,t.previousPosition.y,a),u=[];u[0]=l[0]-s[0],u[1]=l[1]-s[1],u[2]=l[2]-s[2],i=o.getFocalPoint();const c=o.getPosition();o.setFocalPoint(u[0]+i[0],u[1]+i[1],u[2]+i[2]),o.setPosition(u[0]+c[0],u[1]+c[1],u[2]+c[2]),t._interactor.getLightFollowCamera()&&n.updateLightsGeometryToFollowCamera()},e.handleMouseDolly=(n,r)=>{if(!t.previousPosition)return;const o=r.y-t.previousPosition.y,i=t._interactor.getView().getViewportCenter(n),a=t.motionFactor*o/i[1];e.dollyByFactor(n,1.1**a)},e.handleMouseWheel=n=>{const r=1-n.spinY/t.zoomFactor;e.dollyByFactor(n.pokedRenderer,r)},e.dollyByFactor=(e,n)=>{if(Number.isNaN(n))return;const r=e.getActiveCamera();r.getParallelProjection()?r.setParallelScale(r.getParallelScale()/n):(r.dolly(n),t.autoAdjustCameraClippingRange&&e.resetCameraClippingRange()),t._interactor.getLightFollowCamera()&&e.updateLightsGeometryToFollowCamera()}}const hh={motionFactor:10,zoomFactor:10};function mh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,hh,n),dh.extend(e,t,n),gt.setGet(e,t,["motionFactor","zoomFactor"]),fh(e,t)}var gh={newInstance:gt.newInstance(mh,"vtkInteractorStyleTrackballCamera"),extend:mh};function vh(e){return e}function yh(e){return null===e||"null"===e?null:"true"===e||"false"!==e&&(void 0!==e&&"undefined"!==e?"["===e[0]&&"]"===e[e.length-1]?e.substring(1,e.length-1).split(",").map((e=>yh(e.trim()))):""===e||Number.isNaN(Number(e))?e:Number(e):void 0)}var bh=function(){let e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0],t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:window.location.search;const n={},r=e?yh:vh,o=(t||"").replace(/#.*/,"").replace("?","").split("&");return o.forEach((e=>{const[t,o]=e.split("=").map((e=>decodeURIComponent(e)));t&&(n[t]=!o||r(o))})),n},xh={CoordinateSystem:{DISPLAY:0,WORLD:1}};const{CoordinateSystem:_h}=xh;function Th(e){return()=>gt.vtkErrorMacro(`vtkProp::${e} - NOT IMPLEMENTED`)}function Sh(e,t){t.classHierarchy.push("vtkProp"),e.getMTime=()=>{let e=t.mtime;for(let n=0;ne&&(e=r)}return e},e.processSelectorPixelBuffers=(e,t)=>{},e.getNestedProps=()=>null,e.getActors=()=>[],e.getActors2D=()=>[],e.getVolumes=()=>[],e.pick=Th("pick"),e.hasKey=Th("hasKey"),e.getNestedVisibility=()=>t.visibility&&(!t._parentProp||t._parentProp.getNestedVisibility()),e.getNestedPickable=()=>t.pickable&&(!t._parentProp||t._parentProp.getNestedPickable()),e.getNestedDragable=()=>t.dragable&&(!t._parentProp||t._parentProp.getNestedDragable()),e.getRedrawMTime=()=>t.mtime,e.setEstimatedRenderTime=e=>{t.estimatedRenderTime=e,t.savedEstimatedRenderTime=e},e.restoreEstimatedRenderTime=()=>{t.estimatedRenderTime=t.savedEstimatedRenderTime},e.addEstimatedRenderTime=e=>{t.estimatedRenderTime+=e},e.setAllocatedRenderTime=e=>{t.allocatedRenderTime=e,t.savedEstimatedRenderTime=t.estimatedRenderTime,t.estimatedRenderTime=0},e.getSupportsSelection=()=>!1,e.getTextures=()=>t.textures,e.hasTexture=e=>-1!==t.textures.indexOf(e),e.addTexture=n=>{n&&!e.hasTexture(n)&&(t.textures=t.textures.concat(n),e.modified())},e.removeTexture=n=>{const r=t.textures.filter((e=>e!==n));t.textures.length!==r.length&&(t.textures=r,e.modified())},e.removeAllTextures=()=>{t.textures=[],e.modified()},e.setCoordinateSystemToWorld=()=>e.setCoordinateSystem(_h.WORLD),e.setCoordinateSystemToDisplay=()=>e.setCoordinateSystem(_h.DISPLAY)}const wh={allocatedRenderTime:10,coordinateSystem:_h.WORLD,dragable:!0,estimatedRenderTime:0,paths:null,pickable:!0,renderTimeMultiplier:1,savedEstimatedRenderTime:0,textures:[],useBounds:!0,visibility:!0};function Ch(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,wh,n),gt.obj(e,t),gt.get(e,t,["estimatedRenderTime","allocatedRenderTime"]),gt.setGet(e,t,["_parentProp","coordinateSystem","dragable","pickable","renderTimeMultiplier","useBounds","visibility"]),gt.moveToProtected(e,t,["parentProp"]),Sh(e,t)}var Ah={newInstance:gt.newInstance(Ch,"vtkProp"),extend:Ch,...xh};function Eh(e,t){t.classHierarchy.push("vtkProp3D"),e.addPosition=n=>{t.position=t.position.map(((e,t)=>e+n[t])),e.modified()},e.getOrientationWXYZ=()=>{const e=Ro();F(e,t.rotation);const n=new Float64Array(3),r=function(e,t){var n=2*Math.acos(t[3]),r=Math.sin(n/2);return r>o?(e[0]=t[0]/r,e[1]=t[1]/r,e[2]=t[2]/r):(e[0]=1,e[1]=0,e[2]=0),n}(n,e);return[_n(r),n[0],n[1],n[2]]},e.rotateX=n=>{0!==n&&(T(t.rotation,t.rotation,xn(n)),e.modified())},e.rotateY=n=>{0!==n&&(S(t.rotation,t.rotation,xn(n)),e.modified())},e.rotateZ=n=>{0!==n&&(w(t.rotation,t.rotation,xn(n)),e.modified())},e.rotateWXYZ=(n,r,o,i)=>{if(0===n||0===r&&0===o&&0===i)return;const a=xn(n),s=Ro();Fo(s,[r,o,i],a);const l=new Float64Array(16);B(l,s),y(t.rotation,t.rotation,l),e.modified()},e.setOrientation=(n,r,o)=>(n!==t.orientation[0]||r!==t.orientation[1]||o!==t.orientation[2])&&(t.orientation=[n,r,o],f(t.rotation),e.rotateZ(o),e.rotateX(n),e.rotateY(r),e.modified(),!0),e.setUserMatrix=n=>!$n(t.userMatrix,n)&&(c(t.userMatrix,n),e.modified(),!0),e.getMatrix=()=>(e.computeMatrix(),t.matrix),e.computeMatrix=()=>{if(e.getMTime()>t.matrixMTime.getMTime()){f(t.matrix),t.userMatrix&&y(t.matrix,t.matrix,t.userMatrix),b(t.matrix,t.matrix,t.origin),b(t.matrix,t.matrix,t.position),y(t.matrix,t.matrix,t.rotation),x(t.matrix,t.matrix,t.scale),b(t.matrix,t.matrix,[-t.origin[0],-t.origin[1],-t.origin[2]]),h(t.matrix,t.matrix),t.isIdentity=!0;for(let e=0;e<4;++e)for(let n=0;n<4;++n)(e===n?1:0)!==t.matrix[e+4*n]&&(t.isIdentity=!1);t.matrixMTime.modified()}},e.getCenter=()=>bf.getCenter(t.bounds),e.getLength=()=>bf.getLength(t.bounds),e.getXRange=()=>bf.getXRange(t.bounds),e.getYRange=()=>bf.getYRange(t.bounds),e.getZRange=()=>bf.getZRange(t.bounds),e.getUserMatrix=()=>t.userMatrix,e.onModified((function(){e.computeMatrix()}))}const Dh={origin:[0,0,0],position:[0,0,0],orientation:[0,0,0],rotation:null,scale:[1,1,1],bounds:[1,-1,1,-1,1,-1],userMatrix:null,userMatrixMTime:null,cachedProp3D:null,isIdentity:!0,matrixMTime:null};function Ih(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Dh,n),Ah.extend(e,t,n),t.matrixMTime={},gt.obj(t.matrixMTime),gt.get(e,t,["bounds","isIdentity"]),gt.getArray(e,t,["orientation"]),gt.setGetArray(e,t,["origin","position","scale"],3),t.matrix=f(new Float64Array(16)),t.rotation=f(new Float64Array(16)),t.userMatrix=f(new Float64Array(16)),t.transform=null,Eh(e,t)}var Oh={newInstance:gt.newInstance(Ih,"vtkProp3D"),extend:Ih};const{vtkDebugMacro:Ph}=gt;function Nh(e,t){t.classHierarchy.push("vtkActor");const n={...e};e.getActors=()=>[e],e.getIsOpaque=()=>{if(t.forceOpaque)return!0;if(t.forceTranslucent)return!1;t.property||e.getProperty();let n=t.property.getOpacity()>=1;return n=n&&(!t.texture||!t.texture.isTranslucent()),n=n&&(!t.mapper||t.mapper.getIsOpaque()),n},e.hasTranslucentPolygonalGeometry=()=>null!==t.mapper&&(null===t.property&&e.setProperty(e.makeProperty()),!e.getIsOpaque()),e.makeProperty=wu.newInstance,e.getProperty=()=>(null===t.property&&(t.property=e.makeProperty()),t.property),e.getBounds=()=>{if(null===t.mapper)return t.bounds;const n=t.mapper.getBounds();if(!n||6!==n.length)return n;if(n[0]>n[1])return t.mapperBounds=n.concat(),t.bounds=[1,-1,1,-1,1,-1],t.boundsMTime.modified(),n;if(!t.mapperBounds||n[0]!==t.mapperBounds[0]||n[1]!==t.mapperBounds[1]||n[2]!==t.mapperBounds[2]||n[3]!==t.mapperBounds[3]||n[4]!==t.mapperBounds[4]||n[5]!==t.mapperBounds[5]||e.getMTime()>t.boundsMTime.getMTime()){Ph("Recomputing bounds..."),t.mapperBounds=n.concat();const r=[];bf.getCorners(n,r),e.computeMatrix();const o=new Float64Array(16);h(o,t.matrix),r.forEach((e=>Yt(e,e,o))),t.bounds[0]=t.bounds[2]=t.bounds[4]=Number.MAX_VALUE,t.bounds[1]=t.bounds[3]=t.bounds[5]=-Number.MAX_VALUE,t.bounds=t.bounds.map(((e,t)=>t%2==0?r.reduce(((e,n)=>e>n[t/2]?n[t/2]:e),e):r.reduce(((e,n)=>e{let e=n.getMTime();if(null!==t.property){const n=t.property.getMTime();e=n>e?n:e}if(null!==t.backfaceProperty){const n=t.backfaceProperty.getMTime();e=n>e?n:e}return e},e.getRedrawMTime=()=>{let e=t.mtime;if(null!==t.mapper){let n=t.mapper.getMTime();e=n>e?n:e,null!==t.mapper.getInput()&&(t.mapper.getInputAlgorithm().update(),n=t.mapper.getInput().getMTime(),e=n>e?n:e)}return e},e.getSupportsSelection=()=>!!t.mapper&&t.mapper.getSupportsSelection(),e.processSelectorPixelBuffers=(e,n)=>{t.mapper&&t.mapper.processSelectorPixelBuffers&&t.mapper.processSelectorPixelBuffers(e,n)}}const Mh={mapper:null,property:null,backfaceProperty:null,forceOpaque:!1,forceTranslucent:!1,bounds:[1,-1,1,-1,1,-1]};function Rh(e,t){t.classHierarchy.push("vtkAbstractMapper"),e.update=()=>{e.getInputData()},e.addClippingPlane=n=>!!n.isA("vtkPlane")&&!t.clippingPlanes.includes(n)&&(t.clippingPlanes.push(n),e.modified(),!0),e.getNumberOfClippingPlanes=()=>t.clippingPlanes.length,e.removeAllClippingPlanes=()=>0!==t.clippingPlanes.length&&(t.clippingPlanes.length=0,e.modified(),!0),e.removeClippingPlane=n=>{const r=t.clippingPlanes.indexOf(n);return-1!==r&&(t.clippingPlanes.splice(r,1),e.modified(),!0)},e.getClippingPlanes=()=>t.clippingPlanes,e.setClippingPlanes=t=>{if(t)if(Array.isArray(t)){const n=t.length;for(let r=0;r{const o=t.clippingPlanes,i=e;if(o){const e=o.length;if(n>=0&&n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Mh,n),Oh.extend(e,t,n),t.boundsMTime={},gt.obj(t.boundsMTime),gt.set(e,t,["property"]),gt.setGet(e,t,["backfaceProperty","forceOpaque","forceTranslucent","mapper"]),Nh(e,t)}),"vtkActor");const Fh={clippingPlanes:[]};var kh=function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fh,n),gt.obj(e,t),gt.algo(e,t,1,0),t.clippingPlanes||(t.clippingPlanes=[]),Rh(e,t)};function Lh(e,t){e.getBounds=()=>(gt.vtkErrorMacro("vtkAbstractMapper3D.getBounds - NOT IMPLEMENTED"),Dr()),e.getCenter=()=>{const n=e.getBounds();return t.center=bf.isValid(n)?bf.getCenter(n):null,t.center?.slice()},e.getLength=()=>{const t=e.getBounds();return bf.getDiagonalLength(t)}}const Bh=e=>({bounds:[...bf.INIT_BOUNDS],center:[0,0,0],viewSpecificProperties:{},...e});var Vh=function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Bh(n)),kh(e,t,n),gt.setGet(e,t,["viewSpecificProperties"]),Lh(e,t)};const Uh={UNCHANGED:0,SINGLE_POINT:1,X_LINE:2,Y_LINE:3,Z_LINE:4,XY_PLANE:5,YZ_PLANE:6,XZ_PLANE:7,XYZ_GRID:8,EMPTY:9};var Gh={StructuredType:Uh};const{StructuredType:zh}=Gh;var jh={getDataDescriptionFromExtent:function(e){let t=0;for(let n=0;n<3;++n)e[2*n]e[1]||e[2]>e[3]||e[4]>e[5]?zh.EMPTY:3===t?zh.XYZ_GRID:2===t?e[0]===e[1]?zh.YZ_PLANE:e[2]===e[3]?zh.XZ_PLANE:zh.XY_PLANE:1===t?e[0]e!==i[t]));return a&&(t.extent=i.slice(),t.dataDescription=jh.getDataDescriptionFromExtent(t.extent),e.modified()),a},e.setDimensions=function(){let n,r,o;if(t.deleted)Wh("instance deleted - cannot call any method");else{if(1===arguments.length){const e=arguments.length<=0?void 0:arguments[0];n=e[0],r=e[1],o=e[2]}else{if(3!==arguments.length)return void Wh("Bad dimension specification");n=arguments.length<=0?void 0:arguments[0],r=arguments.length<=1?void 0:arguments[1],o=arguments.length<=2?void 0:arguments[2]}e.setExtent(0,n-1,0,r-1,0,o-1)}},e.getDimensions=()=>[t.extent[1]-t.extent[0]+1,t.extent[3]-t.extent[2]+1,t.extent[5]-t.extent[4]+1],e.getNumberOfCells=()=>{const t=e.getDimensions();let n=1;for(let e=0;e<3;e++){if(0===t[e])return 0;t[e]>1&&(n*=t[e]-1)}return n},e.getNumberOfPoints=()=>{const t=e.getDimensions();return t[0]*t[1]*t[2]},e.getPoint=n=>{const r=e.getDimensions();if(0===r[0]||0===r[1]||0===r[2])return Wh("Requesting a point from an empty image."),null;const o=new Float64Array(3);switch(t.dataDescription){case Uh.EMPTY:return null;case Uh.SINGLE_POINT:break;case Uh.X_LINE:o[0]=n;break;case Uh.Y_LINE:o[1]=n;break;case Uh.Z_LINE:o[2]=n;break;case Uh.XY_PLANE:o[0]=n%r[0],o[1]=n/r[0];break;case Uh.YZ_PLANE:o[1]=n%r[1],o[2]=n/r[1];break;case Uh.XZ_PLANE:o[0]=n%r[0],o[2]=n/r[0];break;case Uh.XYZ_GRID:o[0]=n%r[0],o[1]=n/r[0]%r[1],o[2]=n/(r[0]*r[1]);break;default:Wh("Invalid dataDescription")}const i=[0,0,0];return e.indexToWorld(o,i),i},e.getBounds=()=>e.extentToBounds(e.getSpatialExtent()),e.extentToBounds=e=>bf.transformBounds(e,t.indexToWorld),e.getSpatialExtent=()=>bf.inflate([...t.extent],.5),e.computeTransforms=()=>{C(t.indexToWorld,t.origin),t.indexToWorld[0]=t.direction[0],t.indexToWorld[1]=t.direction[1],t.indexToWorld[2]=t.direction[2],t.indexToWorld[4]=t.direction[3],t.indexToWorld[5]=t.direction[4],t.indexToWorld[6]=t.direction[5],t.indexToWorld[8]=t.direction[6],t.indexToWorld[9]=t.direction[7],t.indexToWorld[10]=t.direction[8],x(t.indexToWorld,t.indexToWorld,t.spacing),m(t.worldToIndex,t.indexToWorld)},e.indexToWorld=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return Yt(n,e,t.indexToWorld),n},e.indexToWorldVec3=e.indexToWorld,e.worldToIndex=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return Yt(n,e,t.worldToIndex),n},e.worldToIndexVec3=e.worldToIndex,e.indexToWorldBounds=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return bf.transformBounds(e,t.indexToWorld,n)},e.worldToIndexBounds=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return bf.transformBounds(e,t.worldToIndex,n)},e.onModified(e.computeTransforms),e.computeTransforms(),e.getCenter=()=>bf.getCenter(e.getBounds()),e.computeHistogram=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;const r=[0,0,0,0,0,0];e.worldToIndexBounds(t,r);const o=[0,0,0],i=[0,0,0];bf.computeCornerPoints(r,o,i),er(o,o),er(i,i);const a=e.getDimensions();_r(o,[0,0,0],[a[0]-1,a[1]-1,a[2]-1],o),_r(i,[0,0,0],[a[0]-1,a[1]-1,a[2]-1],i);const s=a[0],l=a[0]*a[1],u=e.getPointData().getScalars().getData();let c=-1/0,d=1/0,p=0,f=0,h=0;for(let e=o[2];e<=i[2];e++)for(let t=o[1];t<=i[1];t++){let a=o[0]+t*s+e*l;for(let s=o[0];s<=i[0];s++){if(!n||n([s,t,e],r)){const e=u[a];e>c&&(c=e),e0?f/h:0,g=h?Math.abs(p/h-m*m):0,v=Math.sqrt(g);return{minimum:d,maximum:c,average:m,variance:g,sigma:v,count:h}},e.computeIncrements=function(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;const n=[];let r=t;for(let t=0;t<3;++t)n[t]=r,r*=e[2*t+1]-e[2*t]+1;return n},e.computeOffsetIndex=t=>{let[n,r,o]=t;const i=e.getExtent(),a=e.getPointData().getScalars().getNumberOfComponents(),s=e.computeIncrements(i,a);return Math.floor((Math.round(n)-i[0])*s[0]+(Math.round(r)-i[2])*s[1]+(Math.round(o)-i[4])*s[2])},e.getOffsetIndexFromWorld=t=>{const n=e.getExtent(),r=e.worldToIndex(t);for(let e=0;e<3;++e)if(r[e]n[2*e+1])return Wh(`GetScalarPointer: Pixel ${r} is not in memory. Current extent = ${n}`),NaN;return e.computeOffsetIndex(r)},e.getScalarValueFromWorld=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const r=e.getPointData().getScalars().getNumberOfComponents();if(n<0||n>=r)return Wh(`GetScalarPointer: Scalar Component ${n} is not within bounds. 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Yh(e,t){t.classHierarchy.push("vtkLookupTable"),e.isOpaque=()=>{if(t.opaqueFlagBuildTime.getMTime()!1,e.getNumberOfAvailableColors=()=>t.table.length/4,e.linearIndexLookup=(e,t)=>{let n=0;const r=Number(e);return rt.range[1]?n=t.maxIndex+1+1.5:(n=(r+t.shift)*t.scale,n=n{let o=0;o=Er(t)?Math.floor(r.maxIndex+1.5+2):e.linearIndexLookup(t,r);const i=4*o;return n.slice(i,i+4)},e.indexedLookupFunction=(n,r,o)=>{let i=e.getAnnotatedValueIndexInternal(n);-1===i&&(i=t.numberOfColors+2);const a=4*i;return[r[a],r[a+1],r[a+2],r[a+3]]},e.lookupShiftAndScale=(e,t)=>{t.shift=-e[0],t.scale=Number.MAX_VALUE,e[1]>e[0]&&(t.scale=(t.maxIndex+1)/(e[1]-e[0]))},e.mapScalarsThroughTable=(n,r,o,i)=>{let a=e.linearLookup;t.indexedLookup&&(a=e.indexedLookupFunction);const s=e.getMappingRange(),l={maxIndex:e.getNumberOfColors()-1,range:s,shift:0,scale:0};e.lookupShiftAndScale(s,l);const u=e.getAlpha(),c=n.getNumberOfTuples(),d=n.getNumberOfComponents(),p=r.getData(),f=n.getData();if(u>=1){if(o===$d.RGBA)for(let e=0;e{let n=0,r=0,o=0,i=0;const a=t.numberOfColors-1;a&&(n=(t.hueRange[1]-t.hueRange[0])/a,r=(t.saturationRange[1]-t.saturationRange[0])/a,o=(t.valueRange[1]-t.valueRange[0])/a,i=(t.alphaRange[1]-t.alphaRange[0])/a),t.table.length=4*a+16;const s=[],l=[];for(let e=0;e<=a;e++)s[0]=t.hueRange[0]+e*n,s[1]=t.saturationRange[0]+e*r,s[2]=t.valueRange[0]+e*o,dr(s,l),l[3]=t.alphaRange[0]+e*i,t.table[4*e]=255*l[0]+.5,t.table[4*e+1]=255*l[1]+.5,t.table[4*e+2]=255*l[2]+.5,t.table[4*e+3]=255*l[3]+.5;e.buildSpecialColors(),t.buildTime.modified()},e.setTable=n=>{if(Array.isArray(n)){const r=n[0].length;t.numberOfColors=n.length;const o=4-r;let i=0;for(let e=0;e{const{numberOfColors:e}=t,n=t.table;let r=4*(e+0);t.useBelowRangeColor||0===e?(n[r]=255*t.belowRangeColor[0]+.5,n[r+1]=255*t.belowRangeColor[1]+.5,n[r+2]=255*t.belowRangeColor[2]+.5,n[r+3]=255*t.belowRangeColor[3]+.5):(n[r]=n[0],n[r+1]=n[1],n[r+2]=n[2],n[r+3]=n[3]),r=4*(e+1),t.useAboveRangeColor||0===e?(n[r]=255*t.aboveRangeColor[0]+.5,n[r+1]=255*t.aboveRangeColor[1]+.5,n[r+2]=255*t.aboveRangeColor[2]+.5,n[r+3]=255*t.aboveRangeColor[3]+.5):(n[r]=n[4*(e-1)+0],n[r+1]=n[4*(e-1)+1],n[r+2]=n[4*(e-1)+2],n[r+3]=n[4*(e-1)+3]),r=4*(e+2),n[r]=255*t.nanColor[0]+.5,n[r+1]=255*t.nanColor[1]+.5,n[r+2]=255*t.nanColor[2]+.5,n[r+3]=255*t.nanColor[3]+.5},e.build=()=>{(t.table.length<1||e.getMTime()>t.buildTime.getMTime()&&t.insertTime.getMTime()<=t.buildTime.getMTime())&&e.forceBuild()},t.table.length>0&&(e.buildSpecialColors(),t.insertTime.modified())}const Jh={numberOfColors:256,hueRange:[0,.66667],saturationRange:[1,1],valueRange:[1,1],alphaRange:[1,1],nanColor:[.5,0,0,1],belowRangeColor:[0,0,0,1],aboveRangeColor:[1,1,1,1],useAboveRangeColor:!1,useBelowRangeColor:!1,alpha:1};function Qh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Jh,n),lp.extend(e,t,n),t.table||(t.table=[]),t.buildTime={},gt.obj(t.buildTime),t.opaqueFlagBuildTime={},gt.obj(t.opaqueFlagBuildTime,{mtime:0}),t.insertTime={},gt.obj(t.insertTime,{mtime:0}),gt.get(e,t,["buildTime"]),gt.setGet(e,t,["numberOfColors","useAboveRangeColor","useBelowRangeColor"]),gt.setArray(e,t,["alphaRange","hueRange","saturationRange","valueRange"],2),gt.setArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"],4),gt.getArray(e,t,["hueRange","saturationRange","valueRange","alphaRange","nanColor","belowRangeColor","aboveRangeColor"]),Yh(e,t)}var Zh={newInstance:gt.newInstance(Qh,"vtkLookupTable"),extend:Qh};let em=1,tm=0;const nm=["VTK_RESOLVE_OFF","VTK_RESOLVE_POLYGON_OFFSET"];function rm(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;tm=e}var om={getResolveCoincidentTopologyAsString:function(){return nm[tm]},getResolveCoincidentTopologyPolygonOffsetFaces:function(){return em},getResolveCoincidentTopology:function(){return tm},setResolveCoincidentTopology:rm,setResolveCoincidentTopologyPolygonOffsetFaces:function(e){em=e},setResolveCoincidentTopologyToDefault:function(){rm(0)},setResolveCoincidentTopologyToOff:function(){rm(0)},setResolveCoincidentTopologyToPolygonOffset:function(){rm(1)}};function im(e,t,n){n.forEach((n=>{e[`get${n.method}`]=()=>t[n.key],e[`set${n.method}`]=(e,r)=>{t[n.key]={factor:e,offset:r}}}))}const am=["Polygon","Line","Point"],sm={};im(sm,{Polygon:{factor:2,offset:0},Line:{factor:1,offset:-1},Point:{factor:0,offset:-2}},am.map((e=>({key:e,method:`ResolveCoincidentTopology${e}OffsetParameters`}))));var lm={implementCoincidentTopologyMethods:function(e,t){void 0===t.resolveCoincidentTopology&&(t.resolveCoincidentTopology=!1),gt.setGet(e,t,["resolveCoincidentTopology"]),t.topologyOffset={Polygon:{factor:0,offset:0},Line:{factor:0,offset:0},Point:{factor:0,offset:0}},Object.keys(om).forEach((t=>{e[t]=om[t]})),Object.keys(sm).forEach((t=>{e[t]=sm[t]})),im(e,t.topologyOffset,am.map((e=>({key:e,method:`RelativeCoincidentTopology${e}OffsetParameters`})))),e.getCoincidentTopologyPolygonOffsetParameters=()=>{const t=sm.getResolveCoincidentTopologyPolygonOffsetParameters(),n=e.getRelativeCoincidentTopologyPolygonOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyLineOffsetParameters=()=>{const t=sm.getResolveCoincidentTopologyLineOffsetParameters(),n=e.getRelativeCoincidentTopologyLineOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyPointOffsetParameter=()=>{const t=sm.getResolveCoincidentTopologyPointOffsetParameters(),n=e.getRelativeCoincidentTopologyPointOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}}},staticOffsetAPI:sm,otherStaticMethods:om,CATEGORIES:am};const um={MIN_KNOWN_PASS:0,ACTOR_PASS:0,COMPOSITE_INDEX_PASS:1,ID_LOW24:2,ID_HIGH24:3,MAX_KNOWN_PASS:3};var cm={PassTypes:um};const{FieldAssociations:dm}=di,{staticOffsetAPI:pm,otherStaticMethods:fm}=lm,{ColorMode:hm,ScalarMode:mm,GetArray:gm}=Jd,{VectorMode:vm}=Yd,{VtkDataTypes:ym}=Wr;function bm(e){return()=>gt.vtkErrorMacro(`vtkMapper::${e} - NOT IMPLEMENTED`)}function xm(e,t){t.classHierarchy.push("vtkMapper"),e.getBounds=()=>{const n=e.getInputData();return n?(t.static||e.update(),t.bounds=n.getBounds()):t.bounds=Dr(),t.bounds},e.setForceCompileOnly=e=>{t.forceCompileOnly=e},e.setSelectionWebGLIdsToVTKIds=e=>{t.selectionWebGLIdsToVTKIds=e},e.createDefaultLookupTable=()=>{t.lookupTable=Zh.newInstance()},e.getColorModeAsString=()=>gt.enumToString(hm,t.colorMode),e.setColorModeToDefault=()=>e.setColorMode(0),e.setColorModeToMapScalars=()=>e.setColorMode(1),e.setColorModeToDirectScalars=()=>e.setColorMode(2),e.getScalarModeAsString=()=>gt.enumToString(mm,t.scalarMode),e.setScalarModeToDefault=()=>e.setScalarMode(0),e.setScalarModeToUsePointData=()=>e.setScalarMode(1),e.setScalarModeToUseCellData=()=>e.setScalarMode(2),e.setScalarModeToUsePointFieldData=()=>e.setScalarMode(3),e.setScalarModeToUseCellFieldData=()=>e.setScalarMode(4),e.setScalarModeToUseFieldData=()=>e.setScalarMode(5),e.getAbstractScalars=(e,n,r,o,i)=>{if(!e||!t.scalarVisibility)return{scalars:null,cellFLag:!1};let a=null,s=!1;if(n===mm.DEFAULT)a=e.getPointData().getScalars(),a||(a=e.getCellData().getScalars(),s=!0);else if(n===mm.USE_POINT_DATA)a=e.getPointData().getScalars();else if(n===mm.USE_CELL_DATA)a=e.getCellData().getScalars(),s=!0;else if(n===mm.USE_POINT_FIELD_DATA){const t=e.getPointData();a=r===gm.BY_ID?t.getArrayByIndex(o):t.getArrayByName(i)}else if(n===mm.USE_CELL_FIELD_DATA){const t=e.getCellData();s=!0,a=r===gm.BY_ID?t.getArrayByIndex(o):t.getArrayByName(i)}else if(n===mm.USE_FIELD_DATA){const t=e.getFieldData();a=r===gm.BY_ID?t.getArrayByIndex(o):t.getArrayByName(i)}return{scalars:a,cellFlag:s}},e.mapScalars=(n,r)=>{const o=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!o)return t.colorCoordinates=null,t.colorTextureMap=null,void(t.colorMapColors=null);const i=`${e.getMTime()}${o.getMTime()}${r}`;if(t.colorBuildString!==i){if(t.useLookupTableScalarRange||e.getLookupTable().setRange(t.scalarRange[0],t.scalarRange[1]),e.canUseTextureMapForColoring(n))e.mapScalarsToTexture(o,r);else{t.colorCoordinates=null,t.colorTextureMap=null;const n=e.getLookupTable();n&&(n.build(),t.colorMapColors=n.mapScalars(o,t.colorMode,t.fieldDataTupleId))}t.colorBuildString=`${e.getMTime()}${o.getMTime()}${r}`}},e.scalarToTextureCoordinate=(e,t,n)=>{let r=.5,o=1;return Er(e)||(o=.49,r=(e-t)*n,r>1e3?r=1e3:r<-1e3&&(r=-1e3)),{texCoordS:r,texCoordT:o}},e.createColorTextureCoordinates=(t,n,r,o,i,a,s,l,u)=>{const c=(a[1]-a[0])/l,d=[];d[0]=a[0]-c,d[1]=a[1]+c;const p=1/(d[1]-d[0]),f=n.getData(),h=t.getData();let m=0,g=0;if(i<0||i>=o)for(let t=0;t{const o=t.lookupTable.getRange(),i=t.lookupTable.usingLogScale();i&&Zh.getLogRange(o,o);const a=t.lookupTable.getAlpha();if(t.colorMapColors=null,null==t.colorTextureMap||e.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getAlpha()!==r){t.lookupTable.setAlpha(r),t.colorTextureMap=null,t.lookupTable.build();let e=t.lookupTable.getNumberOfAvailableColors();e>4094&&(e=4094),e<64&&(e=64),e+=2;const n=(o[1]-o[0])/(e-2),s=new Float64Array(2*e);for(let t=0;tt.colorCoordinates.getMTime()||e.getInputData(0).getMTime()>t.colorCoordinates.getMTime()||t.lookupTable.getMTime()>t.colorCoordinates.getMTime()){t.colorCoordinates=null;const r=n.getNumberOfComponents(),a=n.getNumberOfTuples();t.colorCoordinates=Wr.newInstance({numberOfComponents:2,values:new Float32Array(2*a)});let s=t.lookupTable.getVectorComponent();t.lookupTable.getVectorMode()===vm.MAGNITUDE&&n.getNumberOfComponents()>1&&(s=-1),e.createColorTextureCoordinates(n,t.colorCoordinates,a,r,s,o,t.lookupTable.getRange(),t.colorTextureMap.getPointData().getScalars().getNumberOfTuples()/2-2,i)}},e.getIsOpaque=()=>{const n=e.getInputData(),r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!t.scalarVisibility||null==r)return!0;const o=e.getLookupTable();return!o||(o.build(),o.areScalarsOpaque(r,t.colorMode,-1))},e.canUseTextureMapForColoring=n=>{if(!t.interpolateScalarsBeforeMapping)return!1;if(t.lookupTable&&t.lookupTable.getIndexedLookup())return!1;const r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName),o=r.scalars;return!(!o||r.cellFlag||t.colorMode===hm.DEFAULT&&o.getDataType()===ym.UNSIGNED_CHAR||t.colorMode===hm.DIRECT_SCALARS)},e.clearColorArrays=()=>{t.colorMapColors=null,t.colorCoordinates=null,t.colorTextureMap=null},e.getLookupTable=()=>(t.lookupTable||e.createDefaultLookupTable(),t.lookupTable),e.getMTime=()=>{let e=t.mtime;if(null!==t.lookupTable){const n=t.lookupTable.getMTime();e=n>e?n:e}return e},e.getPrimitiveCount=()=>{const t=e.getInputData();return{points:t.getPoints().getNumberOfValues()/3,verts:t.getVerts().getNumberOfValues()-t.getVerts().getNumberOfCells(),lines:t.getLines().getNumberOfValues()-2*t.getLines().getNumberOfCells(),triangles:t.getPolys().getNumberOfValues()-3*t.getPolys().getNumberOfCells()}},e.acquireInvertibleLookupTable=bm("AcquireInvertibleLookupTable"),e.valueToColor=bm("ValueToColor"),e.colorToValue=bm("ColorToValue"),e.useInvertibleColorFor=bm("UseInvertibleColorFor"),e.clearInvertibleColor=bm("ClearInvertibleColor"),e.processSelectorPixelBuffers=(e,n)=>{if(!e||!t.selectionWebGLIdsToVTKIds||!t.populateSelectionSettings)return;const r=e.getRawPixelBuffer(um.ID_LOW24),o=e.getRawPixelBuffer(um.ID_HIGH24),i=e.getCurrentPass(),a=e.getFieldAssociation();let s=null;a===dm.FIELD_ASSOCIATION_POINTS?s=t.selectionWebGLIdsToVTKIds.points:a===dm.FIELD_ASSOCIATION_CELLS&&(s=t.selectionWebGLIdsToVTKIds.cells),s&&n.forEach((t=>{if(i===um.ID_LOW24){let n=0;o&&(n+=o[t],n*=256),n+=r[t+2],n*=256,n+=r[t+1],n*=256,n+=r[t];const i=s[n],a=e.getPixelBuffer(um.ID_LOW24);a[t]=255&i,a[t+1]=(65280&i)>>8,a[t+2]=(16711680&i)>>16}else if(i===um.ID_HIGH24&&o){let n=0;n+=o[t],n*=256,n+=r[t],n*=256,n+=r[t+1],n*=256,n+=r[t+2];const i=s[n];e.getPixelBuffer(um.ID_HIGH24)[t]=(4278190080&i)>>24}}))}}const _m={colorMapColors:null,static:!1,lookupTable:null,scalarVisibility:!0,scalarRange:[0,1],useLookupTableScalarRange:!1,colorMode:0,scalarMode:0,arrayAccessMode:1,renderTime:0,colorByArrayName:null,fieldDataTupleId:-1,populateSelectionSettings:!0,selectionWebGLIdsToVTKIds:null,interpolateScalarsBeforeMapping:!1,colorCoordinates:null,colorTextureMap:null,forceCompileOnly:0,useInvertibleColors:!1,invertibleScalars:null,customShaderAttributes:[]};function Tm(e,t){t.classHierarchy.push("vtkRenderPass"),e.getOperation=()=>t.currentOperation,e.setCurrentOperation=e=>{t.currentOperation=e,t.currentTraverseOperation=`traverse${gt.capitalize(t.currentOperation)}`},e.getTraverseOperation=()=>t.currentTraverseOperation,e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;t.deleted||(t._currentParent=r,t.preDelegateOperations.forEach((t=>{e.setCurrentOperation(t),n.traverse(e)})),t.delegates.forEach((t=>{t.traverse(n,e)})),t.postDelegateOperations.forEach((t=>{e.setCurrentOperation(t),n.traverse(e)})))}}gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,_m,n),Vh(e,t,n),gt.get(e,t,["colorCoordinates","colorMapColors","colorTextureMap","selectionWebGLIdsToVTKIds"]),gt.setGet(e,t,["colorByArrayName","arrayAccessMode","colorMode","fieldDataTupleId","interpolateScalarsBeforeMapping","lookupTable","populateSelectionSettings","renderTime","scalarMode","scalarVisibility","static","useLookupTableScalarRange","customShaderAttributes"]),gt.setGetArray(e,t,["scalarRange"],2),lm.implementCoincidentTopologyMethods(e,t),xm(e,t)}),"vtkMapper");const Sm={delegates:[],currentOperation:null,preDelegateOperations:[],postDelegateOperations:[],currentParent:null};function wm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Sm,n),gt.obj(e,t),gt.get(e,t,["currentOperation"]),gt.setGet(e,t,["delegates","_currentParent","preDelegateOperations","postDelegateOperations"]),gt.moveToProtected(e,t,["currentParent"]),Tm(e,t)}var Cm={newInstance:gt.newInstance(wm,"vtkRenderPass"),extend:wm};const{Representation:Am}=wu,{vtkErrorMacro:Em}=gt;function Dm(e){const t=Ca.substitute(e.Fragment,"//VTK::RenderPassFragmentShader::Impl","\n float weight = gl_FragData[0].a * pow(max(1.1 - gl_FragCoord.z, 0.0), 2.0);\n gl_FragData[0] = vec4(gl_FragData[0].rgb*weight, gl_FragData[0].a);\n gl_FragData[1].r = weight;\n ",!1);e.Fragment=t.result}function Im(e,t){t.classHierarchy.push("vtkOpenGLOrderIndependentTranslucentPass"),e.createVertexBuffer=()=>{const e=new Float32Array([-1,-1,-1,1,-1,-1,-1,1,-1,1,1,-1]),n=new Float32Array([0,0,1,0,0,1,1,1]),r=new Uint16Array([4,0,1,3,2]),o=Wr.newInstance({numberOfComponents:3,values:e});o.setName("points");const i=Wr.newInstance({numberOfComponents:2,values:n});i.setName("tcoords");const a=Wr.newInstance({numberOfComponents:1,values:r});t.tris.getCABO().createVBO(a,"polys",Am.SURFACE,{points:o,tcoords:i,cellOffset:0}),t.VBOBuildTime.modified()},e.createFramebuffer=e=>{const n=e.getSize(),r=e.getContext();t.framebuffer=Zs.newInstance(),t.framebuffer.setOpenGLRenderWindow(e),t.framebuffer.create(...n),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind(),t.translucentRGBATexture=hs.newInstance(),t.translucentRGBATexture.setInternalFormat(r.RGBA16F),t.translucentRGBATexture.setFormat(r.RGBA),t.translucentRGBATexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRGBATexture.setOpenGLRenderWindow(e),t.translucentRGBATexture.create2DFromRaw(n[0],n[1],4,"Float32Array",null),t.translucentRTexture=hs.newInstance(),t.translucentRTexture.setInternalFormat(r.R16F),t.translucentRTexture.setFormat(r.RED),t.translucentRTexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRTexture.setOpenGLRenderWindow(e),t.translucentRTexture.create2DFromRaw(n[0],n[1],1,"Float32Array",null),t.translucentZTexture=hs.newInstance(),t.translucentZTexture.setOpenGLRenderWindow(e),t.translucentZTexture.createDepthFromRaw(n[0],n[1],"Float32Array",null),t.framebuffer.setColorBuffer(t.translucentRGBATexture,0),t.framebuffer.setColorBuffer(t.translucentRTexture,1),t.framebuffer.setDepthBuffer(t.translucentZTexture)},e.createCopyShader=e=>{t.copyShader=e.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","attribute vec2 tcoordTC;","varying vec2 tcoord;","void main() { tcoord = tcoordTC; gl_Position = vertexDC; }"].join("\n"),"//VTK::System::Dec\n\nin vec2 tcoord;\n\nuniform sampler2D translucentRTexture;\nuniform sampler2D translucentRGBATexture;\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n vec4 t1Color = texture(translucentRGBATexture, tcoord);\n float t2Color = texture(translucentRTexture, tcoord).r;\n gl_FragData[0] = vec4(t1Color.rgb/max(t2Color,0.01), 1.0 - t1Color.a);\n}\n","")},e.createVBO=n=>{const r=n.getContext();t.tris.setOpenGLRenderWindow(n),e.createVertexBuffer();const o=t.copyShader;t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(o,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),r.FLOAT,3,r.FALSE)||Em("Error setting vertexDC in copy shader VAO."),t.copyVAO.addAttributeArray(o,t.tris.getCABO(),"tcoordTC",t.tris.getCABO().getTCoordOffset(),t.tris.getCABO().getStride(),r.FLOAT,2,r.FALSE)||Em("Error setting vertexDC in copy shader VAO.")},e.traverse=(n,r,o)=>{if(t.deleted)return;const i=n.getSize(),a=n.getContext();if(t._supported=!1,r.getSelector()||!a||!n.getWebgl2()||!a.getExtension("EXT_color_buffer_half_float")&&!a.getExtension("EXT_color_buffer_float"))return e.setCurrentOperation("translucentPass"),void r.traverse(e);if(t._supported=!0,null===t.framebuffer)e.createFramebuffer(n);else{const r=t.framebuffer.getSize();null===r||r[0]!==i[0]||r[1]!==i[1]?(t.framebuffer.releaseGraphicsResources(),t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRTexture.releaseGraphicsResources(n),t.translucentZTexture.releaseGraphicsResources(n),e.createFramebuffer(n)):(t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind())}a.drawBuffers([a.COLOR_ATTACHMENT0]),a.clearBufferfv(a.COLOR,0,[0,0,0,0]),a.clearBufferfv(a.DEPTH,0,[1]),a.colorMask(!1,!1,!1,!1),o.getOpaqueActorCount()>0&&(o.setCurrentOperation("opaqueZBufferPass"),r.traverse(o)),a.colorMask(!0,!0,!0,!0),a.drawBuffers([a.COLOR_ATTACHMENT0,a.COLOR_ATTACHMENT1]),a.viewport(0,0,i[0],i[1]),a.scissor(0,0,i[0],i[1]),a.clearBufferfv(a.COLOR,0,[0,0,0,1]),a.clearBufferfv(a.COLOR,1,[0,0,0,0]),a.enable(a.DEPTH_TEST),a.enable(a.BLEND),a.blendFuncSeparate(a.ONE,a.ONE,a.ZERO,a.ONE_MINUS_SRC_ALPHA),e.setCurrentOperation("translucentPass"),r.traverse(e),a.drawBuffers([a.NONE]),t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader?e.createCopyShader(n):n.getShaderCache().readyShaderProgram(t.copyShader),t.copyVAO||(t.copyVAO=Ia.newInstance(),t.copyVAO.setOpenGLRenderWindow(n)),t.copyVAO.bind(),t.VBOBuildTime.getMTime()t._supported?Dm:null,e.releaseGraphicsResources=n=>{t.framebuffer&&(t.framebuffer.releaseGraphicsResources(n),t.framebuffer=null),t.translucentRGBATexture&&(t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRGBATexture=null),t.translucentRTexture&&(t.translucentRTexture.releaseGraphicsResources(n),t.translucentRTexture=null),t.translucentZTexture&&(t.translucentZTexture.releaseGraphicsResources(n),t.translucentZTexture=null),t.copyVAO&&(t.copyVAO.releaseGraphicsResources(n),t.copyVAO=null),t.copyShader&&(t.copyShader.releaseGraphicsResources(n),t.copyShader=null),t.tris&&(t.tris.releaseGraphicsResources(n),t.tris=null),e.modified()}}const Om={framebuffer:null,copyShader:null,tris:null};function Pm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Om,n),Cm.extend(e,t,n),t.VBOBuildTime={},gt.obj(t.VBOBuildTime,{mtime:0}),t.tris=Ra.newInstance(),gt.get(e,t,["framebuffer"]),Im(e,t)}var Nm={newInstance:gt.newInstance(Pm,"vtkOpenGLOrderIndependentTranslucentPass"),extend:Pm};function Mm(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getRenderable().getNumberOfLayers(),i=n.getChildren();for(let r=0;r0||t.translucentActorCount>0)&&t.volumeCount>0||t.depthRequested){const r=n.getFramebufferSize();null===t.framebuffer&&(t.framebuffer=Zs.newInstance()),t.framebuffer.setOpenGLRenderWindow(n),t.framebuffer.saveCurrentBindingsAndBuffers();const o=t.framebuffer.getSize();null!==o&&o[0]===r[0]&&o[1]===r[1]||(t.framebuffer.create(r[0],r[1]),t.framebuffer.populateFramebuffer()),t.framebuffer.bind(),e.setCurrentOperation("zBufferPass"),a.traverse(e),t.framebuffer.restorePreviousBindingsAndBuffers(),t.depthRequested=!1}e.setCurrentOperation("cameraPass"),a.traverse(e),t.opaqueActorCount>0&&(e.setCurrentOperation("opaquePass"),a.traverse(e)),t.translucentActorCount>0&&(t.translucentPass||(t.translucentPass=Nm.newInstance()),t.translucentPass.traverse(n,a,e)),t.volumeCount>0&&(e.setCurrentOperation("volumePass"),a.traverse(e)),t.overlayActorCount>0&&(e.setCurrentOperation("overlayPass"),a.traverse(e))}}},e.getZBufferTexture=()=>t.framebuffer?t.framebuffer.getColorTexture():null,e.requestDepth=()=>{t.depthRequested=!0},e.incrementOpaqueActorCount=()=>t.opaqueActorCount++,e.incrementTranslucentActorCount=()=>t.translucentActorCount++,e.incrementVolumeCount=()=>t.volumeCount++,e.incrementOverlayActorCount=()=>t.overlayActorCount++}const Rm={opaqueActorCount:0,translucentActorCount:0,volumeCount:0,overlayActorCount:0,framebuffer:null,depthRequested:!1};function Fm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Rm,n),Cm.extend(e,t,n),gt.get(e,t,["framebuffer","opaqueActorCount","translucentActorCount","volumeCount"]),Mm(e,t)}var km={newInstance:gt.newInstance(Fm,"vtkForwardPass"),extend:Fm};const{FieldAssociations:Lm}=di;function Bm(e,t){t.classHierarchy.push("vtkHardwareSelector"),e.getSourceDataAsync=async(e,t,n,r,o)=>{},e.selectAsync=async(t,n,r,o,i)=>{const a=await e.getSourceDataAsync(t,n,r,o,i);return a?a.generateSelection(n,r,o,i):[]}}const Vm={fieldAssociation:Lm.FIELD_ASSOCIATION_CELLS,captureZValues:!1};function Um(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Vm,n),gt.obj(e,t),gt.setGet(e,t,["fieldAssociation","captureZValues"]),Bm(e,t)}var Gm={newInstance:gt.newInstance(Um,"vtkHardwareSelector"),extend:Um};function zm(e,t){t.classHierarchy.push("vtkSelectionNode"),e.getBounds=()=>t.points.getBounds()}const jm={contentType:-1,fieldType:-1,properties:null,selectionList:[]};function Wm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,jm,n),gt.obj(e,t),t.properties={},gt.setGet(e,t,["contentType","fieldType","properties","selectionList"]),zm(e,t)}var Hm={newInstance:gt.newInstance(Wm,"vtkSelectionNode"),extend:Wm,SelectionContent:{GLOBALIDS:0,PEDIGREEIDS:1,VALUES:2,INDICES:3,FRUSTUM:4,LOCATIONS:5,THRESHOLDS:6,BLOCKS:7,QUERY:8},SelectionField:{CELL:0,POINT:1,FIELD:2,VERTEX:3,EDGE:4,ROW:5}};const{PassTypes:Xm}=cm,{SelectionContent:Km,SelectionField:qm}=Hm,{FieldAssociations:$m}=di,{vtkErrorMacro:Ym}=gt;function Jm(e){return`${e.propID} ${e.compositeID}`}function Qm(e,t,n,r){return n?n[4*(t*(r[2]-r[0]+1)+e)+3]:0}function Zm(e,t,n,r){if(!n)return 0;const o=4*(t*(r[2]-r[0]+1)+e),i=n[o],a=n[o+1];return 256*(256*n[o+2]+a)+i}function eg(e,t){let n=t;return n<<=24,n|=e,n}function tg(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]e.area[2]||t[1]e.area[3])return null;const n=[t[0]-e.area[0],t[1]-e.area[1]],o=Zm(n[0],n[1],e.pixBuffer[Xm.ACTOR_PASS],e.area);if(o<=0||o-1>=e.props.length)return null;const i={valid:!0};i.propID=o-1,i.prop=e.props[i.propID];let a=Zm(n[0],n[1],e.pixBuffer[Xm.COMPOSITE_INDEX_PASS],e.area);if((a<0||a>16777215)&&(a=0),i.compositeID=a-1,e.captureZValues){const r=4*(n[1]*(e.area[2]-e.area[0]+1)+n[0]);i.zValue=(256*e.zBuffer[r]+e.zBuffer[r+1])/65535,i.displayPosition=t}if(e.pixBuffer[Xm.ID_LOW24]&&0===Qm(n[0],n[1],e.pixBuffer[Xm.ID_LOW24],e.area))return i;const s=Zm(n[0],n[1],e.pixBuffer[Xm.ID_LOW24],e.area),l=Zm(n[0],n[1],e.pixBuffer[Xm.ID_HIGH24],e.area);return i.attributeID=eg(s,l),i}const i=[t[0],t[1]],a=[0,0];let s=tg(e,t,0,r);if(s&&s.valid)return s;for(let t=1;tt?i[1]-t:0;n<=i[1]+t;++n){if(a[1]=n,i[0]>=t&&(a[0]=i[0]-t,s=tg(e,a,0,r),s&&s.valid))return s;if(a[0]=i[0]+t,s=tg(e,a,0,r),s&&s.valid)return s}for(let n=i[0]>=t?i[0]-(t-1):0;n<=i[0]+(t-1);++n){if(a[0]=n,i[1]>=t&&(a[1]=i[1]-t,s=tg(e,a,0,r),s&&s.valid))return s;if(a[1]=i[1]+t,s=tg(e,a,0,r),s&&s.valid)return s}}return r[0]=t[0],r[1]=t[1],null}function ng(e,t,n,r,o){const i=[];let a=0;return t.forEach(((t,s)=>{const l=Hm.newInstance();switch(l.setContentType(Km.INDICES),e){case $m.FIELD_ASSOCIATION_CELLS:l.setFieldType(qm.CELL);break;case $m.FIELD_ASSOCIATION_POINTS:l.setFieldType(qm.POINT);break;default:Ym("Unknown field association")}l.getProperties().propID=t.info.propID,l.getProperties().prop=t.info.prop,l.getProperties().compositeID=t.info.compositeID,l.getProperties().attributeID=t.info.attributeID,l.getProperties().pixelCount=t.pixelCount,n&&(l.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],l.getProperties().worldPosition=o.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,r)),l.setSelectionList(t.attributeIDs),i[a]=l,a++})),i}function rg(e,t,n,r,o){const i=Math.floor(t),a=Math.floor(n),s=Math.floor(r),l=Math.floor(o),u=new Map,c=[0,0];for(let t=a;t<=l;t++)for(let n=i;n<=s;n++){const r=tg(e,[n,t],0,c);if(r&&r.valid){const t=Jm(r);if(u.has(t)){const n=u.get(t);n.pixelCount++,e.captureZValues&&r.zValue{t.rawPixBuffer=[],t.pixBuffer=[],t.zBuffer=null},e.beginSelection=()=>{t._openGLRenderer=t._openGLRenderWindow.getViewNodeFor(t._renderer),t.maxAttributeId=0;const n=t._openGLRenderWindow.getSize();if(t.framebuffer){t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers();const e=t.framebuffer.getSize();e[0]!==n[0]||e[1]!==n[1]?(t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer()):t.framebuffer.bind()}else t.framebuffer=Zs.newInstance(),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer();if(t._openGLRenderer.clear(),t._openGLRenderer.setSelector(e),t.hitProps={},t.propPixels={},t.props=[],e.releasePixBuffers(),t.fieldAssociation===$m.FIELD_ASSOCIATION_POINTS){const e=t._openGLRenderWindow.getContext(),n=e.isEnabled(e.BLEND);e.disable(e.BLEND),t._openGLRenderWindow.traverseAllPasses(),n&&e.enable(e.BLEND)}},e.endSelection=()=>{t.hitProps={},t._openGLRenderer.setSelector(null),t.framebuffer.restorePreviousBindingsAndBuffers()},e.preCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending=e.isEnabled(e.BLEND),e.disable(e.BLEND)},e.postCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending&&e.enable(e.BLEND)},e.select=()=>{let n=null;return e.captureBuffers()&&(n=e.generateSelection(t.area[0],t.area[1],t.area[2],t.area[3]),e.releasePixBuffers()),n},e.getSourceDataAsync=async(n,r,o,i,a)=>{if(t._renderer=n,void 0===r){const n=t._openGLRenderWindow.getSize();e.setArea(0,0,n[0]-1,n[1]-1)}else e.setArea(r,o,i,a);if(!e.captureBuffers())return!1;const s={area:[...t.area],pixBuffer:[...t.pixBuffer],captureZValues:t.captureZValues,zBuffer:t.zBuffer,props:[...t.props],fieldAssociation:t.fieldAssociation,renderer:n,openGLRenderWindow:t._openGLRenderWindow,generateSelection:function(){for(var e=arguments.length,t=new Array(e),n=0;n{if(!t._renderer||!t._openGLRenderWindow)return Ym("Renderer and view must be set before calling Select."),!1;t._openGLRenderer=t._openGLRenderWindow.getViewNodeFor(t._renderer),t._openGLRenderWindow.getRenderable().preRender(),e.invokeEvent({type:"StartEvent"}),t.originalBackground=t._renderer.getBackgroundByReference(),t._renderer.setBackground(0,0,0,0);const n=t._openGLRenderWindow.getRenderPasses();for(e.beginSelection(),t.currentPass=Xm.MIN_KNOWN_PASS;t.currentPass<=Xm.MAX_KNOWN_PASS;t.currentPass++)e.passRequired(t.currentPass)&&(e.preCapturePass(t.currentPass),t.captureZValues&&t.currentPass===Xm.ACTOR_PASS&&"function"==typeof n[0].requestDepth&&"function"==typeof n[0].getFramebuffer?(n[0].requestDepth(),t._openGLRenderWindow.traverseAllPasses()):t._openGLRenderWindow.traverseAllPasses(),e.postCapturePass(t.currentPass),e.savePixelBuffer(t.currentPass),e.processPixelBuffers());return e.endSelection(),t._renderer.setBackground(t.originalBackground),e.invokeEvent({type:"EndEvent"}),!0},e.processPixelBuffers=()=>{t.props.forEach(((n,r)=>{e.isPropHit(r)&&n.processSelectorPixelBuffers(e,t.propPixels[r])}))},e.passRequired=e=>{if(e===Xm.ID_HIGH24){if(t.fieldAssociation===$m.FIELD_ASSOCIATION_POINTS)return t.maximumPointId>16777215;if(t.fieldAssociation===$m.FIELD_ASSOCIATION_CELLS)return t.maximumCellId>16777215}return!0},e.savePixelBuffer=n=>{if(t.pixBuffer[n]=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),!t.rawPixBuffer[n]){const e=(t.area[2]-t.area[0]+1)*(t.area[3]-t.area[1]+1)*4;t.rawPixBuffer[n]=new Uint8Array(e),t.rawPixBuffer[n].set(t.pixBuffer[n])}if(n===Xm.ACTOR_PASS){if(t.captureZValues){const e=t._openGLRenderWindow.getRenderPasses();if("function"==typeof e[0].requestDepth&&"function"==typeof e[0].getFramebuffer){const n=e[0].getFramebuffer();n.saveCurrentBindingsAndBuffers(),n.bind(),t.zBuffer=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),n.restorePreviousBindingsAndBuffers()}}e.buildPropHitList(t.rawPixBuffer[n])}},e.buildPropHitList=e=>{let n=0;for(let r=0;r<=t.area[3]-t.area[1];r++)for(let o=0;o<=t.area[2]-t.area[0];o++){let i=Zm(o,r,e,t.area);i>0&&(i--,i in t.hitProps||(t.hitProps[i]=!0,t.propPixels[i]=[]),t.propPixels[i].push(4*n)),++n}},e.renderProp=n=>{t.currentPass===Xm.ACTOR_PASS&&(e.setPropColorValueFromInt(t.props.length+1),t.props.push(n))},e.renderCompositeIndex=n=>{t.currentPass===Xm.COMPOSITE_INDEX_PASS&&e.setPropColorValueFromInt(n+1)},e.renderAttributeId=e=>{e<0||(t.maxAttributeId=e>t.maxAttributeId?e:t.maxAttributeId)},e.passTypeToString=e=>gt.enumToString(Xm,e),e.isPropHit=e=>Boolean(t.hitProps[e]),e.setPropColorValueFromInt=e=>{t.propColorValue[0]=e%256/255,t.propColorValue[1]=Math.floor(e/256)%256/255,t.propColorValue[2]=Math.floor(e/65536)%256/255},e.getPixelInformation=(n,r,o)=>{const i=r<0?0:r;if(0===i){if(o[0]=n[0],o[1]=n[1],n[0]t.area[2]||n[1]t.area[3])return null;const e=[n[0]-t.area[0],n[1]-t.area[1]],r=Zm(e[0],e[1],t.pixBuffer[Xm.ACTOR_PASS],t.area);if(r<=0||r-1>=t.props.length)return null;const i={valid:!0};i.propID=r-1,i.prop=t.props[i.propID];let a=Zm(e[0],e[1],t.pixBuffer[Xm.COMPOSITE_INDEX_PASS],t.area);if((a<0||a>16777215)&&(a=0),i.compositeID=a-1,t.captureZValues){const r=4*(e[1]*(t.area[2]-t.area[0]+1)+e[0]);i.zValue=(256*t.zBuffer[r]+t.zBuffer[r+1])/65535,i.displayPosition=n}if(t.pixBuffer[Xm.ID_LOW24]&&0===Qm(e[0],e[1],t.pixBuffer[Xm.ID_LOW24],t.area))return i;const s=Zm(e[0],e[1],t.pixBuffer[Xm.ID_LOW24],t.area),l=Zm(e[0],e[1],t.pixBuffer[Xm.ID_HIGH24],t.area);return i.attributeID=eg(s,l),i}const a=[n[0],n[1]],s=[0,0];let l=e.getPixelInformation(n,0,o);if(l&&l.valid)return l;for(let t=1;tt?a[1]-t:0;n<=a[1]+t;++n){if(s[1]=n,a[0]>=t&&(s[0]=a[0]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[0]=a[0]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}for(let n=a[0]>=t?a[0]-(t-1):0;n<=a[0]+(t-1);++n){if(s[0]=n,a[1]>=t&&(s[1]=a[1]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[1]=a[1]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}}return o[0]=n[0],o[1]=n[1],null},e.generateSelection=(n,r,o,i)=>{const a=Math.floor(n),s=Math.floor(r),l=Math.floor(o),u=Math.floor(i),c=new Map,d=[0,0];for(let n=s;n<=u;n++)for(let r=a;r<=l;r++){const o=[r,n],i=e.getPixelInformation(o,0,d);if(i&&i.valid){const e=Jm(i);if(c.has(e)){const n=c.get(e);n.pixelCount++,t.captureZValues&&i.zValuet.rawPixBuffer[e],e.getPixelBuffer=e=>t.pixBuffer[e],e.attach=(e,n)=>{t._openGLRenderWindow=e,t._renderer=n};const n=e.setArea;e.setArea=function(){return!!n(...arguments)&&(t.area[0]=Math.floor(t.area[0]),t.area[1]=Math.floor(t.area[1]),t.area[2]=Math.floor(t.area[2]),t.area[3]=Math.floor(t.area[3]),!0)}}const ig={area:void 0,currentPass:-1,propColorValue:null,props:null,maximumPointId:0,maximumCellId:0,idOffset:1};function ag(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ig,n),Gm.extend(e,t,n),t.propColorValue=[0,0,0],t.props=[],t.area||(t.area=[0,0,0,0]),gt.setGetArray(e,t,["area"],4),gt.setGet(e,t,["_renderer","currentPass","_openGLRenderWindow","maximumPointId","maximumCellId"]),gt.setGetArray(e,t,["propColorValue"],3),gt.moveToProtected(e,t,["renderer","openGLRenderWindow"]),gt.event(e,t,"event"),og(e,t)}var sg={newInstance:gt.newInstance(ag,"vtkOpenGLHardwareSelector"),extend:ag,...cm},lg=n(594),ug=n.n(lg);const cg=["lastShaderProgramBound","context","_openGLRenderWindow"];function dg(e,t){t.classHierarchy.push("vtkShaderCache"),e.replaceShaderValues=(e,n,r)=>{let o=n;r.length>0&&(o=Ca.substitute(o,"VSOut","GSOut").result);const i=t._openGLRenderWindow.getWebgl2();let a="\n",s="#version 100\n";i?s="#version 300 es\n#define attribute in\n#define textureCube texture\n#define texture2D texture\n#define textureCubeLod textureLod\n#define texture2DLod textureLod\n":(t.context.getExtension("OES_standard_derivatives"),t.context.getExtension("EXT_frag_depth")&&(a="#extension GL_EXT_frag_depth : enable\n"),t.context.getExtension("EXT_shader_texture_lod")&&(a+="#extension GL_EXT_shader_texture_lod : enable\n#define textureCubeLod textureCubeLodEXT\n#define texture2DLod texture2DLodEXT")),o=Ca.substitute(o,"//VTK::System::Dec",[`${s}\n`,i?"":"#extension GL_OES_standard_derivatives : enable\n",a,"#ifdef GL_FRAGMENT_PRECISION_HIGH","precision highp float;","precision highp int;","#else","precision mediump float;","precision mediump int;","#endif"]).result;let l=Ca.substitute(e,"//VTK::System::Dec",[`${s}\n`,"#ifdef GL_FRAGMENT_PRECISION_HIGH","precision highp float;","precision highp int;","#else","precision mediump float;","precision mediump int;","#endif"]).result;if(i){l=Ca.substitute(l,"varying","out").result,o=Ca.substitute(o,"varying","in").result;let e="",t=0;for(;o.includes(`gl_FragData[${t}]`);)o=Ca.substitute(o,`gl_FragData\\[${t}\\]`,`fragOutput${t}`).result,e+=`layout(location = ${t}) out vec4 fragOutput${t};\n`,t++;o=Ca.substitute(o,"//VTK::Output::Dec",e).result}return{VSSource:l,FSSource:o,GSSource:Ca.substitute(r,"//VTK::System::Dec",s).result}},e.readyShaderProgramArray=(t,n,r)=>{const o=e.replaceShaderValues(t,n,r),i=e.getShaderProgram(o.VSSource,o.FSSource,o.GSSource);return e.readyShaderProgram(i)},e.readyShaderProgram=t=>t&&(t.getCompiled()||t.compileShader())&&e.bindShaderProgram(t)?t:null,e.getShaderProgram=(e,n,r)=>{const o=`${e}${n}${r}`,i=ug().hash(o);if(!(i in t.shaderPrograms)){const o=Ca.newInstance();return o.setContext(t.context),o.getVertexShader().setSource(e),o.getFragmentShader().setSource(n),r&&o.getGeometryShader().setSource(r),o.setMd5Hash(i),t.shaderPrograms[i]=o,o}return t.shaderPrograms[i]},e.releaseGraphicsResources=n=>{e.releaseCurrentShaderProgram(),Object.keys(t.shaderPrograms).map((e=>t.shaderPrograms[e])).forEach((e=>e.cleanup())),t.shaderPrograms={}},e.releaseCurrentShaderProgram=()=>{t.lastShaderProgramBound&&(t.lastShaderProgramBound.cleanup(),t.lastShaderProgramBound=null)},e.bindShaderProgram=e=>(t.lastShaderProgramBound===e||(t.lastShaderProgramBound&&t.lastShaderProgramBound.release(),e.bind(),t.lastShaderProgramBound=e),1)}const pg={lastShaderProgramBound:null,shaderPrograms:null,context:null};function fg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,pg,n),t.shaderPrograms={},gt.obj(e,t),gt.setGet(e,t,cg),gt.moveToProtected(e,t,["openGLRenderWindow"]),dg(e,t)}var hg={newInstance:gt.newInstance(fg,"vtkShaderCache"),extend:fg};const{vtkErrorMacro:mg}=gt;function gg(e,t){t.classHierarchy.push("vtkOpenGLTextureUnitManager"),e.deleteTable=()=>{for(let e=0;e{if(t.context!==n){if(0!==t.context&&e.deleteTable(),t.context=n,t.context){t.numberOfTextureUnits=n.getParameter(n.MAX_TEXTURE_IMAGE_UNITS);for(let e=0;e{for(let n=0;ne.isAllocated(n)?-1:(t.textureUnits[n]=!0,n),e.isAllocated=e=>t.textureUnits[e],e.free=e=>{t.textureUnits[e]=!1},e.freeAll=()=>{for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,vg,n),gt.obj(e,t),t.textureUnits=[],gt.get(e,t,["numberOfTextureUnits"]),gt.setGet(e,t,["context"]),gg(e,t)}var bg={newInstance:gt.newInstance(yg,"vtkOpenGLTextureUnitManager"),extend:yg};function xg(e,t){t.classHierarchy.push("vtkRenderWindowViewNode"),e.getViewNodeFactory=()=>null,e.getAspectRatio=()=>t.size[0]/t.size[1],e.getAspectRatioForRenderer=e=>{const n=e.getViewportByReference();return t.size[0]*(n[2]-n[0])/((n[3]-n[1])*t.size[1])},e.isInViewport=(t,n,r)=>{const o=r.getViewportByReference(),i=e.getFramebufferSize();return o[0]*i[0]<=t&&o[2]*i[0]>=t&&o[1]*i[1]<=n&&o[3]*i[1]>=n},e.getViewportSize=t=>{const 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i=o.getViewportByReference();i=e.normalizedDisplayToDisplay(i[0],i[1],0);const a=e.normalizedDisplayToDisplay(t,n,r);return[a[0]-i[0]-.5,a[1]-i[1]-.5,r]},e.viewportToNormalizedViewport=(t,n,r,o)=>{const i=e.getViewportSize(o);return i&&0!==i[0]&&0!==i[1]?[t/(i[0]-1),n/(i[1]-1),r]:[t,n,r]},e.normalizedViewportToViewport=(t,n,r,o)=>{const i=e.getViewportSize(o);return[t*(i[0]-1),n*(i[1]-1),r]},e.displayToLocalDisplay=(t,n,r)=>[t,e.getFramebufferSize()[1]-n-1,r],e.viewportToNormalizedDisplay=(t,n,r,o)=>{let i=o.getViewportByReference();i=e.normalizedDisplayToDisplay(i[0],i[1],0);const a=t+i[0]+.5,s=n+i[1]+.5;return e.displayToNormalizedDisplay(a,s,r)},e.getComputedDevicePixelRatio=()=>t.size[0]/e.getContainerSize()[0],e.getContainerSize=()=>{gt.vtkErrorMacro("not implemented")},e.getPixelData=(e,t,n,r)=>{gt.vtkErrorMacro("not implemented")},e.createSelector=()=>{gt.vtkErrorMacro("not implemented")}}const _g={size:void 0,selector:void 0};function Tg(e,t){let n=arguments.length>2&&void 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t=e.getContainer().getElementsByTagName("canvas");for(let e=0;e{t.cullFaceEnabled&&(t.context.disable(t.context.CULL_FACE),t.cullFaceEnabled=!1)},e.enableCullFace=()=>{t.cullFaceEnabled||(t.context.enable(t.context.CULL_FACE),t.cullFaceEnabled=!0)},e.setViewStream=n=>t.viewStream!==n&&(t.subscription&&(t.subscription.unsubscribe(),t.subscription=null),t.viewStream=n,t.viewStream&&(t.renderable.getRenderers()[0].getBackgroundByReference()[3]=0,e.setUseBackgroundImage(!0),t.subscription=t.viewStream.onImageReady((t=>e.setBackgroundImage(t.image))),t.viewStream.setSize(t.size[0],t.size[1]),t.viewStream.invalidateCache(),t.viewStream.render(),e.modified()),!0),e.createSelector=()=>{const t=sg.newInstance();return t.setOpenGLRenderWindow(e),t},e.delete=gt.chain((function(){t.canvas.removeEventListener("webglcontextlost",Ng),t.canvas.removeEventListener("webglcontextrestored",e.restoreContext)}),e.delete,e.setViewStream,Pg),e.setActiveFramebuffer=e=>{t.activeFramebuffer=e};const i=e.setSize;e.setSize=(t,n)=>{const r=i(t,n);return r&&e.invokeWindowResizeEvent({width:t,height:n}),r},e.getGraphicsResourceForObject=e=>e?{vtkObj:t._graphicsResources.get(e),hash:t._graphicsResourceHash.get(e)}:null,e.setGraphicsResourceForObject=(e,n,r)=>{e&&(t._graphicsResources.set(e,n),t._graphicsResourceHash.set(e,r))},e.getGraphicsMemoryInfo=()=>{let e=0;return t._graphicsResources.forEach(((t,n)=>{e+=t.getAllocatedGPUMemoryInBytes()})),e},e.releaseGraphicsResourcesForObject=n=>!!n&&(t._graphicsResources.get(n)?.releaseGraphicsResources(e),t._graphicsResources.delete(n)&&t._graphicsResourceHash.delete(n)),e.releaseGraphicsResources=()=>{null!==t.shaderCache&&t.shaderCache.releaseGraphicsResources(e),t._graphicsResources.forEach(((t,n)=>{t.releaseGraphicsResources(e)})),t._graphicsResources.clear(),t._graphicsResourceHash.clear(),null!==t.textureUnitManager&&t.textureUnitManager.freeAll(),t.renderable.getRenderersByReference().forEach((t=>{e.getViewNodeFor(t)?.releaseGraphicsResources()}))}}const Rg={cullFaceEnabled:!1,shaderCache:null,initialized:!1,context:null,canvas:null,cursorVisibility:!0,cursor:"pointer",textureUnitManager:null,textureResourceIds:null,containerSize:null,renderPasses:[],notifyStartCaptureImage:!1,webgl2:!1,defaultToWebgl2:!0,activeFramebuffer:null,imageFormat:"image/png",useOffScreen:!1,useBackgroundImage:!1};const Fg=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Rg,n),Sg.extend(e,t,n),t.canvas=document.createElement("canvas"),t.canvas.style.width="100%",Og(),t.selector||(t.selector=sg.newInstance(),t.selector.setOpenGLRenderWindow(e)),t.bgImage=new Image,t.bgImage.style.position="absolute",t.bgImage.style.left="0",t.bgImage.style.top="0",t.bgImage.style.width="100%",t.bgImage.style.height="100%",t.bgImage.style.zIndex="-1",t._textureResourceIds=new Map,t._graphicsResources=new Map,t._graphicsResourceHash=new Map,t._glInformation=null,t.myFactory=Nt.newInstance(),t.myFactory.registerOverride("vtkRenderWindow",Fg),t.shaderCache=hg.newInstance(),t.shaderCache.setOpenGLRenderWindow(e),t.renderPasses[0]=km.newInstance(),gt.event(e,t,"imageReady"),gt.get(e,t,["shaderCache","textureUnitManager","webgl2","useBackgroundImage","activeFramebuffer"]),gt.setGet(e,t,["initialized","context","canvas","renderPasses","notifyStartCaptureImage","defaultToWebgl2","cursor","useOffScreen"]),gt.setGetArray(e,t,["size"],2),gt.event(e,t,"windowResizeEvent"),Mg(e,t)}),"vtkOpenGLRenderWindow");If("WebGL",Fg);const kg=["setBindGroup","setIndexBuffer","setVertexBuffer","draw","drawIndexed"];function Lg(e,t){t.classHierarchy.push("vtkWebGPURenderEncoder"),e.begin=e=>{t.drawCallbacks=[],t.handle=e.beginRenderPass(t.description),t.label&&t.handle.pushDebugGroup(t.label)},e.end=()=>{for(let n=0;n{if(t.boundPipeline===e)return;t.handle.setPipeline(e.getHandle());const n=e.getPipelineDescription();if(t.colorTextureViews.length!==n.fragment.targets.length)console.log(`mismatched attachment counts on pipeline ${n.fragment.targets.length} while encoder has ${t.colorTextureViews.length}`),console.trace();else for(let e=0;e{t.replaceShaderCodeFunction(e)},e.setColorTextureView=(e,n)=>{t.colorTextureViews[e]!==n&&(t.colorTextureViews[e]=n)},e.activateBindGroup=e=>{const n=t.boundPipeline.getDevice(),r=t.boundPipeline.getBindGroupLayoutCount(e.getLabel());t.handle.setBindGroup(r,e.getBindGroup(n));const o=n.getBindGroupLayoutDescription(e.getBindGroupLayout(n)),i=n.getBindGroupLayoutDescription(t.boundPipeline.getBindGroupLayout(r));o!==i&&(console.log(`renderEncoder ${t.pipelineHash} mismatched bind group layouts bind group has\n${o}\n versus pipeline\n${i}\n`),console.trace())},e.attachTextureViews=()=>{for(let e=0;e{for(let r=0;r2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Bg,n),je(e,t),t.description={colorAttachments:[{view:void 0,loadOp:"load",storeOp:"store"}],depthStencilAttachment:{view:void 0,depthLoadOp:"clear",depthClearValue:0,depthStoreOp:"store"}},t.replaceShaderCodeFunction=e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = computedColor;"]).result,t.setCode(n)},t.pipelineSettings={primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater-equal",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}},t.colorTextureViews=[],He(e,t,["boundPipeline","colorTextureViews"]),$e(e,t,["depthTextureView","description","handle","label","pipelineHash","pipelineSettings","replaceShaderCodeFunction"]),Lg(e,t)}var Ug={newInstance:rt(Vg,"vtkWebGPURenderEncoder"),extend:Vg};function Gg(e,t){t.classHierarchy.push("vtkWebGPUTextureView"),e.create=(e,n)=>{t.texture=e,t.options=n,t.options.dimension=t.options.dimension||"2d",t.options.label=t.label,t.textureHandle=e.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupLayoutEntry.texture.viewDimension=t.options.dimension;const r=Hl(t.texture.getFormat());t.bindGroupLayoutEntry.texture.sampleType=r.sampleType},e.createFromTextureHandle=(e,n)=>{t.texture=null,t.options=n,t.options.dimension=t.options.dimension||"2d",t.options.label=t.label,t.textureHandle=e,t.handle=t.textureHandle.createView(t.options),t.bindGroupLayoutEntry.texture.viewDimension=t.options.dimension;const r=Hl(n.format);t.bindGroupLayoutEntry.texture.sampleType=r.sampleType,t.bindGroupTime.modified()},e.getBindGroupEntry=()=>({resource:e.getHandle()}),e.getShaderCode=(e,n)=>{let r="f32";"sint"===t.bindGroupLayoutEntry.texture.sampleType?r="i32":"uint"===t.bindGroupLayoutEntry.texture.sampleType&&(r="u32");let o=`@binding(${e}) @group(${n}) var ${t.label}: texture_${t.options.dimension}<${r}>;`;return"depth"===t.bindGroupLayoutEntry.texture.sampleType&&(o=`@binding(${e}) @group(${n}) var ${t.label}: texture_depth_${t.options.dimension};`),o},e.addSampler=(n,r)=>{const o=vc.newInstance({label:`${t.label}Sampler`});o.create(n,r),e.setSampler(o)},e.getBindGroupTime=()=>(t.texture&&t.texture.getHandle()!==t.textureHandle&&(t.textureHandle=t.texture.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupTime.modified()),t.bindGroupTime),e.getHandle=()=>(t.texture&&t.texture.getHandle()!==t.textureHandle&&(t.textureHandle=t.texture.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupTime.modified()),t.handle)}const zg={texture:null,handle:null,sampler:null,label:null};function jg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,zg,n),gt.obj(e,t),t.bindGroupLayoutEntry={visibility:GPUShaderStage.VERTEX|GPUShaderStage.FRAGMENT,texture:{sampleType:"float",viewDimension:"2d"}},t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),gt.get(e,t,["bindGroupTime","texture"]),gt.setGet(e,t,["bindGroupLayoutEntry","label","sampler"]),Gg(e,t)}var Wg={newInstance:gt.newInstance(jg),extend:jg};function Hg(e,t){t.classHierarchy.push("vtkTexture"),e.imageLoaded=()=>{t.image.removeEventListener("load",e.imageLoaded),t.imageLoaded=!0,e.modified()},e.setJsImageData=n=>{t.jsImageData!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.image=null,t.canvas=null),t.jsImageData=n,t.imageLoaded=!0,e.modified())},e.setCanvas=n=>{t.canvas!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.image=null,t.jsImageData=null),t.canvas=n,e.modified())},e.setImage=n=>{t.image!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.canvas=null,t.jsImageData=null),t.image=n,t.imageLoaded=!1,n.complete?e.imageLoaded():n.addEventListener("load",e.imageLoaded),e.modified())},e.getDimensionality=()=>{let n=0,r=0,o=1;if(e.getInputData()){const t=e.getInputData();n=t.getDimensions()[0],r=t.getDimensions()[1],o=t.getDimensions()[2]}return t.jsImageData&&(n=t.jsImageData.width,r=t.jsImageData.height),t.canvas&&(n=t.canvas.width,r=t.canvas.height),t.image&&(n=t.image.width,r=t.image.height),(n>1)+(r>1)+(o>1)},e.getInputAsJsImageData=()=>{if(!t.imageLoaded||e.getInputData())return null;if(t.jsImageData)return t.jsImageData();if(t.canvas)return t.canvas.getContext("2d").getImageData(0,0,t.canvas.width,t.canvas.height);if(t.image){const e=document.createElement("canvas");e.width=t.image.width,e.height=t.image.height;const n=e.getContext("2d");return n.translate(0,e.height),n.scale(1,-1),n.drawImage(t.image,0,0,t.image.width,t.image.height),n.getImageData(0,0,e.width,e.height)}return null}}const Xg={image:null,canvas:null,jsImageData:null,imageLoaded:!1,repeat:!1,interpolate:!1,edgeClamp:!1,mipLevel:0,resizable:!1};function Kg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Xg,n),gt.obj(e,t),gt.algo(e,t,6,0),gt.get(e,t,["canvas","image","jsImageData","imageLoaded","resizable"]),gt.setGet(e,t,["repeat","edgeClamp","interpolate","mipLevel"]),Hg(e,t)}const qg={generateMipmaps:(e,t,n,r)=>{const o=[1,2,1],i=e.length/(t*n);let a=t,s=n,l=e;const u=[l];for(let e=0;ei&&(c+=t),d<-i&&(c-=t),r[c]?u+=r[c]*o[l]:s-=o[l],a+=1}l[e+n]=u/s}r=[...l];for(let e=0;e{t.device=e,t.width=n.width,t.height=n.height,t.depth=n.depth?n.depth:1;const r=1===t.depth?"2d":"3d";t.format=n.format?n.format:"rgba8unorm",t.mipLevel=n.mipLevel?n.mipLevel:0,t.usage=n.usage?n.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST,t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label,dimension:r,mipLevelCount:t.mipLevel+1})},e.assignFromHandle=(e,n,r)=>{t.device=e,t.handle=n,t.width=r.width,t.height=r.height,t.depth=r.depth?r.depth:1,t.format=r.format?r.format:"rgba8unorm",t.usage=r.usage?r.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST},e.writeImageData=n=>{let r=[];if(n.canvas)return t.device.getHandle().queue.copyExternalImageToTexture({source:n.canvas,flipY:n.flip},{texture:t.handle,premultipliedAlpha:!0},[t.width,t.height,t.depth]),void(t.ready=!0);n.jsImageData&&!n.nativeArray&&(n.width=n.jsImageData.width,n.height=n.jsImageData.height,n.depth=1,n.format="rgba8unorm",n.flip=!0,n.nativeArray=n.jsImageData.data);const o=Hl(t.format);let i=t.width*o.stride;const a=(e,t,n)=>{const r=e.length/(t*n)*e.BYTES_PER_ELEMENT,i=2===o.elementSize&&"float"===o.sampleType;if(i||r%256){const a=e,s=r/a.BYTES_PER_ELEMENT,l=o.elementSize,u=256*Math.floor((s*l+255)/256),c=u/l,d=gt.newTypedArray(i?"Uint16Array":a.constructor.name,c*t*n);for(let e=0;e{const e=Hl(t.format);return 2===e.elementSize&&"float"===e.sampleType?1:255},e.getNumberOfComponents=()=>Hl(t.format).numComponents,e.getDimensionality=()=>{let e=0;return t.width>1&&e++,t.height>1&&e++,t.depth>1&&e++,e},e.resizeToMatch=e=>{e.getWidth()===t.width&&e.getHeight()===t.height&&e.getDepth()===t.depth||(t.width=e.getWidth(),t.height=e.getHeight(),t.depth=e.getDepth(),t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label}))},e.resize=function(e,n){let r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:1;e===t.width&&n===t.height&&r===t.depth||(t.width=e,t.height=n,t.depth=r,t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label}))},e.createView=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};r.dimension||(r.dimension=1===t.depth?"2d":"3d");const o=Wg.newInstance({label:n});return o.create(e,r),o}}const Qg={device:null,handle:null,buffer:null,ready:!1,label:null};function Zg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Qg,n),gt.obj(e,t),gt.get(e,t,["handle","ready","width","height","depth","format","usage"]),gt.setGet(e,t,["device","label"]),Jg(e,t)}var ev={newInstance:gt.newInstance(Zg),extend:Zg};function tv(e,t){t.classHierarchy.push("vtkWebGPUOpaquePass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.renderEncoder)t.colorTexture.resize(r.getCanvas().width,r.getCanvas().height),t.depthTexture.resize(r.getCanvas().width,r.getCanvas().height);else{e.createRenderEncoder(),t.colorTexture=ev.newInstance({label:"opaquePassColor"}),t.colorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const n=t.colorTexture.createView("opaquePassColorTexture");t.renderEncoder.setColorTextureView(0,n),t.depthFormat="depth32float",t.depthTexture=ev.newInstance({label:"opaquePassDepth"}),t.depthTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:t.depthFormat,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const i=t.depthTexture.createView("opaquePassDepthTexture");t.renderEncoder.setDepthTextureView(i)}t.renderEncoder.attachTextureViews(),e.setCurrentOperation("opaquePass"),n.setRenderEncoder(t.renderEncoder),n.traverse(e)},e.getColorTextureView=()=>t.renderEncoder.getColorTextureViews()[0],e.getDepthTextureView=()=>t.renderEncoder.getDepthTextureView(),e.createRenderEncoder=()=>{t.renderEncoder=Ug.newInstance({label:"OpaquePass"}),t.renderEncoder.setPipelineHash("op")}}const nv={renderEncoder:null,colorTexture:null,depthTexture:null};function rv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,nv,n),Cm.extend(e,t,n),gt.get(e,t,["colorTexture","depthTexture"]),tv(e,t)}var ov={newInstance:gt.newInstance(rv,"vtkWebGPUOpaquePass"),extend:rv};function iv(e,t){t.classHierarchy.push("vtkWebGPUOrderIndependentTranslucentPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.translucentRenderEncoder)t.translucentColorTexture.resizeToMatch(t.colorTextureView.getTexture()),t.translucentAccumulateTexture.resizeToMatch(t.colorTextureView.getTexture());else{e.createRenderEncoder(),e.createFinalEncoder(),t.translucentColorTexture=ev.newInstance({label:"translucentPassColor"}),t.translucentColorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const n=t.translucentColorTexture.createView("oitpColorTexture");t.translucentRenderEncoder.setColorTextureView(0,n),t.translucentAccumulateTexture=ev.newInstance({label:"translucentPassAccumulate"}),t.translucentAccumulateTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const i=t.translucentAccumulateTexture.createView("oitpAccumTexture");t.translucentRenderEncoder.setColorTextureView(1,i),t.fullScreenQuad=du.newInstance(),t.fullScreenQuad.setDevice(r.getDevice()),t.fullScreenQuad.setPipelineHash("oitpfsq"),t.fullScreenQuad.setTextureViews(t.translucentRenderEncoder.getColorTextureViews()),t.fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var tcoord: vec2 = vec2(i32(input.fragPos.x), i32(input.fragPos.y));\n var reveal: f32 = textureLoad(oitpAccumTexture, tcoord, 0).r;\n if (reveal == 1.0) { discard; }\n var tcolor: vec4 = textureLoad(oitpColorTexture, tcoord, 0);\n var total: f32 = max(tcolor.a, 0.01);\n var computedColor: vec4 = vec4(tcolor.r/total, tcolor.g/total, tcolor.b/total, 1.0 - reveal);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n")}t.translucentRenderEncoder.setDepthTextureView(t.depthTextureView),t.translucentRenderEncoder.attachTextureViews(),e.setCurrentOperation("translucentPass"),n.setRenderEncoder(t.translucentRenderEncoder),n.traverse(e),e.finalPass(r,n)},e.finalPass=(e,n)=>{t.translucentFinalEncoder.setColorTextureView(0,t.colorTextureView),t.translucentFinalEncoder.attachTextureViews(),t.translucentFinalEncoder.begin(e.getCommandEncoder()),n.scissorAndViewport(t.translucentFinalEncoder),t.fullScreenQuad.prepareAndDraw(t.translucentFinalEncoder),t.translucentFinalEncoder.end()},e.getTextures=()=>[t.translucentColorTexture,t.translucentAccumulateTexture],e.createRenderEncoder=()=>{t.translucentRenderEncoder=Ug.newInstance({label:"translucentRender"});const e=t.translucentRenderEncoder.getDescription();e.colorAttachments=[{view:void 0,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:void 0,clearValue:[1,0,0,0],loadOp:"clear",storeOp:"store"}],e.depthStencilAttachment={view:void 0,depthLoadOp:"load",depthStoreOp:"store"},t.translucentRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor"),t.addOutput("f32","outAccum"),t.addBuiltinInput("vec4","@builtin(position) fragPos");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["var w: f32 = computedColor.a * pow(0.1 + input.fragPos.z, 2.0);","output.outColor = vec4(computedColor.rgb*w, w);","output.outAccum = computedColor.a;"]).result,t.setCode(n)})),t.translucentRenderEncoder.setPipelineHash("oitpr"),t.translucentRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!1,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one"},alpha:{srcfactor:"one",dstFactor:"one"}}},{format:"r16float",blend:{color:{srcFactor:"zero",dstFactor:"one-minus-src"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createFinalEncoder=()=>{t.translucentFinalEncoder=Ug.newInstance({label:"translucentFinal"}),t.translucentFinalEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t.translucentFinalEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor"),t.addBuiltinInput("vec4","@builtin(position) fragPos");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t.translucentFinalEncoder.setPipelineHash("oitpf"),t.translucentFinalEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})}}const av={colorTextureView:null,depthTextureView:null};function sv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,av,n),Cm.extend(e,t,n),gt.setGet(e,t,["colorTextureView","depthTextureView"]),iv(e,t)}var lv={newInstance:gt.newInstance(sv,"vtkWebGPUOrderIndependentTranslucentPass"),extend:sv};const uv="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Volume::TraverseDec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\nfn getTextureValue(vTex: texture_3d, tpos: vec4) -> f32\n{\n // todo multicomponent support\n return textureSampleLevel(vTex, clampSampler, tpos.xyz, 0.0).r;\n}\n\nfn getGradient(vTex: texture_3d, tpos: vec4, vNum: i32, scalar: f32) -> vec4\n{\n var result: vec4;\n\n var tstep: vec4 = volumeSSBO.values[vNum].tstep;\n result.x = getTextureValue(vTex, tpos + vec4(tstep.x, 0.0, 0.0, 1.0)) - scalar;\n result.y = getTextureValue(vTex, tpos + vec4(0.0, tstep.y, 0.0, 1.0)) - scalar;\n result.z = getTextureValue(vTex, tpos + vec4(0.0, 0.0, tstep.z, 1.0)) - scalar;\n result.w = 0.0;\n\n // divide by spacing as that is our delta\n result = result / volumeSSBO.values[vNum].spacing;\n // now we have a gradient in unit tcoords\n\n var grad: f32 = length(result.xyz);\n if (grad > 0.0)\n {\n // rotate to View Coords, needed for lighting and shading\n var nMat: mat4x4 = rendererUBO.SCVCMatrix * volumeSSBO.values[vNum].planeNormals;\n result = nMat * result;\n result = result / length(result);\n }\n\n // store gradient magnitude in .w\n result.w = grad;\n\n return result;\n}\n\nfn processVolume(vTex: texture_3d, vNum: i32, cNum: i32, posSC: vec4, tfunRows: f32) -> vec4\n{\n var outColor: vec4 = vec4(0.0, 0.0, 0.0, 0.0);\n\n // convert to tcoords and reject if outside the volume\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*posSC;\n if (tpos.x < 0.0 || tpos.y < 0.0 || tpos.z < 0.0 ||\n tpos.x > 1.0 || tpos.y > 1.0 || tpos.z > 1.0) { return outColor; }\n\n var scalar: f32 = getTextureValue(vTex, tpos);\n\n var coord: vec2 =\n vec2(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n (0.5 + 2.0 * f32(vNum)) / tfunRows);\n var color: vec4 = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n\n var gofactor: f32 = 1.0;\n var normal: vec4 = vec4(0.0,0.0,0.0,0.0);\n if (componentSSBO.values[cNum].gomin < 1.0 || volumeSSBO.values[vNum].shade[0] > 0.0)\n {\n normal = getGradient(vTex, tpos, vNum, scalar);\n if (componentSSBO.values[cNum].gomin < 1.0)\n {\n gofactor = clamp(normal.a*componentSSBO.values[cNum].goScale + componentSSBO.values[cNum].goShift,\n componentSSBO.values[cNum].gomin, componentSSBO.values[cNum].gomax);\n }\n }\n\n coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n\n if (volumeSSBO.values[vNum].shade[0] > 0.0)\n {\n color = color*abs(normal.z);\n }\n\n outColor = vec4(color.rgb, gofactor * opacity);\n\n return outColor;\n}\n\n// adjust the start and end point of a raycast such that it intersects the unit cube.\n// This function is used to take a raycast starting point and step vector\n// and numSteps and return the startijng and ending steps for intersecting the\n// unit cube. Recall for a 3D texture, the unit cube is the range of texture coordsinates\n// that have valid values. So this funtion can be used to take a ray in texture coordinates\n// and bound it to intersecting the texture.\n//\nfn adjustBounds(tpos: vec4, tstep: vec4, numSteps: f32) -> vec2\n{\n var result: vec2 = vec2(0.0, numSteps);\n var tpos2: vec4 = tpos + tstep*numSteps;\n\n // move tpos to the start of the volume\n var adjust: f32 =\n min(\n max(tpos.x/tstep.x, (tpos.x - 1.0)/tstep.x),\n min(\n max((tpos.y - 1.0)/tstep.y, tpos.y/tstep.y),\n max((tpos.z - 1.0)/tstep.z, tpos.z/tstep.z)));\n if (adjust < 0.0)\n {\n result.x = result.x - adjust;\n }\n\n // adjust length to the end\n adjust =\n max(\n min(tpos2.x/tstep.x, (tpos2.x - 1.0)/tstep.x),\n max(\n min((tpos2.y - 1.0)/tstep.y, tpos2.y/tstep.y),\n min((tpos2.z - 1.0)/tstep.z, tpos2.z/tstep.z)));\n if (adjust > 0.0)\n {\n result.y = result.y - adjust;\n }\n\n return result;\n}\n\nfn getSimpleColor(scalar: f32, vNum: i32, cNum: i32) -> vec4\n{\n // how many rows (tfuns) do we have in our tfunTexture\n var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n var coord: vec2 =\n vec2(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n (0.5 + 2.0 * f32(vNum)) / tfunRows);\n var color: vec4 = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n return vec4(color.rgb, opacity);\n}\n\nfn traverseMax(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var maxVal: f32 = -1.0e37;\n loop\n {\n var scalar: f32 = getTextureValue(vTex, tpos);\n if (scalar > maxVal)\n {\n maxVal = scalar;\n }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(maxVal, vNum, cNum);\n}\n\nfn traverseMin(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var minVal: f32 = 1.0e37;\n loop\n {\n var scalar: f32 = getTextureValue(vTex, tpos);\n if (scalar < minVal)\n {\n minVal = scalar;\n }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(minVal, vNum, cNum);\n}\n\nfn traverseAverage(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n let ipRange: vec4 = volumeSSBO.values[vNum].ipScalarRange;\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var avgVal: f32 = 0.0;\n var sampleCount: f32 = 0.0;\n loop\n {\n var sample: f32 = getTextureValue(vTex, tpos);\n // right now leave filtering off until WebGL changes get merged\n // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n // {\n avgVal = avgVal + sample;\n sampleCount = sampleCount + 1.0;\n // }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n if (sampleCount <= 0.0)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(avgVal/sampleCount, vNum, cNum);\n}\n\nfn traverseAdditive(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n let ipRange: vec4 = volumeSSBO.values[vNum].ipScalarRange;\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var sumVal: f32 = 0.0;\n loop\n {\n var sample: f32 = getTextureValue(vTex, tpos);\n // right now leave filtering off until WebGL changes get merged\n // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n // {\n sumVal = sumVal + sample;\n // }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(sumVal, vNum, cNum);\n}\n\nfn composite(rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4) -> vec4\n{\n // initial ray position is at the beginning\n var rayPosSC: vec4 = minPosSC;\n\n // how many rows (tfuns) do we have in our tfunTexture\n var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n var curDist: f32 = 0.0;\n var computedColor: vec4 = vec4(0.0, 0.0, 0.0, 0.0);\n var sampleColor: vec4;\n//VTK::Volume::TraverseCalls\n\n loop\n {\n // for each volume, sample and accumulate color\n//VTK::Volume::CompositeCalls\n\n // increment position\n curDist = curDist + mapperUBO.SampleDistance;\n rayPosSC = rayPosSC + rayStepSC;\n\n // check if we have reached a terminating condition\n if (curDist > rayLengthSC) { break; }\n if (computedColor.a > 0.98) { break; }\n }\n return computedColor;\n}\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var rayMax: f32 = textureSampleLevel(maxTexture, clampSampler, input.tcoordVS, 0.0).r;\n var rayMin: f32 = textureSampleLevel(minTexture, clampSampler, input.tcoordVS, 0.0).r;\n\n // discard empty rays\n if (rayMax <= rayMin) { discard; }\n else\n {\n // compute start and end ray positions in view coordinates\n var minPosSC: vec4 = rendererUBO.PCSCMatrix*vec4(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMax, 1.0);\n minPosSC = minPosSC * (1.0 / minPosSC.w);\n var maxPosSC: vec4 = rendererUBO.PCSCMatrix*vec4(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMin, 1.0);\n maxPosSC = maxPosSC * (1.0 / maxPosSC.w);\n\n var rayLengthSC: f32 = distance(minPosSC.xyz, maxPosSC.xyz);\n var rayStepSC: vec4 = (maxPosSC - minPosSC)*(mapperUBO.SampleDistance/rayLengthSC);\n rayStepSC.w = 0.0;\n\n var computedColor: vec4;\n\n//VTK::Volume::Loop\n\n//VTK::RenderEncoder::Impl\n }\n\n return output;\n}\n",cv=new Float64Array(16),dv=new Float64Array(16);function pv(e,t){t.classHierarchy.push("vtkWebGPUVolumePassFSQ"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position");let o=r.getCode();o=Fl.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4(vertexBC, 1.0);"]).result,r.setCode(o),t.getShaderDescription("fragment").addBuiltinInput("vec4","@builtin(position) fragPos")},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderVolume=(e,n,r)=>{const o=n.getShaderDescription("fragment");let i=o.getCode();const a=[],s=[];for(let e=0;e(\n sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n (1.0 - computedColor.a)*sampleColor.a + computedColor.a);")):(s.push(` sampleColor = traverseVals[${e}];`),s.push(" computedColor = vec4(\n sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n (1.0 - computedColor.a)*sampleColor.a + computedColor.a);"));i=Fl.substitute(i,"//VTK::Volume::CompositeCalls",a).result,i=Fl.substitute(i,"//VTK::Volume::TraverseCalls",s).result,i=Fl.substitute(i,"//VTK::Volume::TraverseDec",[`var traverseVals: array,${t.volumes.length}>;`]).result;let l=!1;for(let e=0;e{let r=e.getMTime();for(let e=0;e{let r=Math.max(e.getMTime(),t.WebGPURenderer.getStabilizedTime());for(let e=0;e"),t.SSBO.addEntry("planeNormals","mat4x4"),t.SSBO.addEntry("shade","vec4"),t.SSBO.addEntry("tstep","vec4"),t.SSBO.addEntry("spacing","vec4"),t.SSBO.addEntry("ipScalarRange","vec4"),t.SSBO.setAllInstancesFromArray("SCTCMatrix",i),t.SSBO.setAllInstancesFromArray("planeNormals",a),t.SSBO.setAllInstancesFromArray("shade",l),t.SSBO.setAllInstancesFromArray("tstep",s),t.SSBO.setAllInstancesFromArray("spacing",u),t.SSBO.setAllInstancesFromArray("ipScalarRange",c),t.SSBO.send(n),t.componentSSBO.clearData(),t.componentSSBO.setNumberOfInstances(t.numRows);const d=new Float64Array(t.numRows),p=new Float64Array(t.numRows),g=new Float64Array(t.numRows),v=new Float64Array(t.numRows),_=new Float64Array(t.numRows),T=new Float64Array(t.numRows),S=new Float64Array(t.numRows),w=new Float64Array(t.numRows);let C=0;for(let e=0;e{n();let r=t.volumes[0].getRenderable().getMapper().getSampleDistance();for(let e=0;e{t.pipelineHash="volfsq";for(let e=0;e{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r{const e=r();return e.push(t.componentSSBO),e.push(t.clampSampler),e}}const fv={volumes:null,rowLength:1024,lastVolumeLength:0};function hv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,fv,n),du.extend(e,t,n),t.fragmentShaderTemplate=uv,t.UBO=ac.newInstance({label:"mapperUBO"}),t.UBO.addEntry("SampleDistance","f32"),t.SSBO=ec.newInstance({label:"volumeSSBO"}),t.componentSSBO=ec.newInstance({label:"componentSSBO"}),t.lutBuildTime={},gt.obj(t.lutBuildTime,{mtime:0}),pv(e,t)}var mv={newInstance:gt.newInstance(hv,"vtkWebGPUVolumePassFSQ"),extend:hv};const{Representation:gv}=wu,{BufferUsage:vv,PrimitiveTypes:yv}=qu,bv=[[0,4,6],[0,6,2],[1,3,7],[1,7,5],[0,5,4],[0,1,5],[2,6,7],[2,7,3],[0,3,1],[0,2,3],[4,5,7],[4,7,6]],xv="\n//VTK::Renderer::Dec\n\n//VTK::Select::Dec\n\n//VTK::VolumePass::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output : fragmentOutput;\n\n //VTK::Select::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::VolumePass::Impl\n\n // use the maximum (closest) of the current value and the zbuffer\n // the blend func will then take the min to find the farthest stop value\n var stopval: f32 = max(input.fragPos.z, textureLoad(opaquePassDepthTexture, vec2(i32(input.fragPos.x), i32(input.fragPos.y)), 0));\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n";function _v(e,t){t.classHierarchy.push("vtkWebGPUVolumePass"),e.initialize=n=>{t._clearEncoder||e.createClearEncoder(n),t._mergeEncoder||e.createMergeEncoder(n),t._copyEncoder||e.createCopyEncoder(n),t._depthRangeEncoder||e.createDepthRangeEncoder(n),t.fullScreenQuad||(t.fullScreenQuad=mv.newInstance(),t.fullScreenQuad.setDevice(n.getDevice()),t.fullScreenQuad.setTextureViews([...t._depthRangeEncoder.getColorTextureViews()])),t._volumeCopyQuad||(t._volumeCopyQuad=du.newInstance(),t._volumeCopyQuad.setPipelineHash("volpassfsq"),t._volumeCopyQuad.setDevice(n.getDevice()),t._volumeCopyQuad.setFragmentShaderTemplate("\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = textureSample(volumePassColorTexture,\n volumePassColorTextureSampler, mapperUBO.tscale*input.tcoordVS);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n"),t._copyUBO=ac.newInstance({label:"mapperUBO"}),t._copyUBO.addEntry("tscale","vec2"),t._volumeCopyQuad.setUBO(t._copyUBO),t._volumeCopyQuad.setTextureViews([t._colorTextureView]))},e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r,e.initialize(r),e.computeTiming(r),e.renderDepthBounds(n,r),t._firstGroup=!0;const o=r.getDevice(),i=o.getHandle().limits.maxSampledTexturesPerShaderStage-4;if(t.volumes.length>i){const o=n.getRenderable().getActiveCamera().getPosition(),a=[];for(let e=0;ea[t]-a[e]));let l=[],u=s.length%i;for(let o=0;o=u&&(e.rayCastPass(r,n,l),l=[],u=i,t._firstGroup=!1)}else e.rayCastPass(r,n,t.volumes);if(t._volumeCopyQuad.setWebGPURenderer(n),t._useSmallViewport){const e=t._colorTextureView.getTexture().getWidth(),n=t._colorTextureView.getTexture().getHeight();t._copyUBO.setArray("tscale",[t._smallViewportWidth/e,t._smallViewportHeight/n])}else t._copyUBO.setArray("tscale",[1,1]);t._copyUBO.sendIfNeeded(o),t._copyEncoder.setColorTextureView(0,t.colorTextureView),t._copyEncoder.attachTextureViews(),t._copyEncoder.begin(r.getCommandEncoder()),n.scissorAndViewport(t._copyEncoder),t._volumeCopyQuad.prepareAndDraw(t._copyEncoder),t._copyEncoder.end()},e.delete=gt.chain((()=>{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.computeTiming=e=>{const n=e.getRenderable().getInteractor();if(null==t._lastScale){const e=t.volumes[0].getRenderable().getMapper();t._lastScale=e.getInitialInteractionScale()||1}t._useSmallViewport=!1,n.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._colorTexture.resize(e.getCanvas().width,e.getCanvas().height),t._animationRateSubscription||(t._animationRateSubscription=n.onAnimationFrameRateUpdate((()=>{const e=t.volumes[0].getRenderable().getMapper();if(e.getAutoAdjustSampleDistances()){const e=n.getRecentAnimationFrameRate(),r=t._lastScale*n.getDesiredUpdateRate()/e;t._lastScale=r,t._lastScale>400&&(t._lastScale=400)}else t._lastScale=e.getImageSampleDistance()*e.getImageSampleDistance();t._lastScale<1.5&&(t._lastScale=1.5)})))},e.rayCastPass=(e,n,r)=>{const o=t._firstGroup?t._clearEncoder:t._mergeEncoder;o.attachTextureViews(),o.begin(e.getCommandEncoder());let i=t._colorTextureView.getTexture().getWidth(),a=t._colorTextureView.getTexture().getHeight();if(t._useSmallViewport){const n=e.getCanvas(),r=1/Math.sqrt(t._lastScale);t._smallViewportWidth=Math.ceil(r*n.width),t._smallViewportHeight=Math.ceil(r*n.height),i=t._smallViewportWidth,a=t._smallViewportHeight}o.getHandle().setViewport(0,0,i,a,0,1),o.getHandle().setScissorRect(0,0,i,a),t.fullScreenQuad.setWebGPURenderer(n),t.fullScreenQuad.setVolumes(r),t.fullScreenQuad.prepareAndDraw(o),o.end()},e.renderDepthBounds=(n,r)=>{e.updateDepthPolyData(n);const o=t._boundsPoly,i=o.getPoints(),a=o.getPolys();let s={hash:`vp${a.getMTime()}`,usage:vv.Index,cells:a,numberOfPoints:i.getNumberOfPoints(),primitiveType:yv.Triangles,representation:gv.SURFACE};const l=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().setIndexBuffer(l),s={usage:vv.PointArray,format:"float32x4",hash:`vp${i.getMTime()}${a.getMTime()}`,dataArray:i,indexBuffer:l,packExtra:!0};const u=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().addBuffer(u,["vertexBC"]),t._mapper.setNumberOfVertices(u.getSizeInBytes()/u.getStrideInBytes()),e.drawDepthRange(n,r)},e.updateDepthPolyData=e=>{let n=!1;for(let e=0;e{t._depthRangeTexture.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeTexture2.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeEncoder.attachTextureViews(),e.setCurrentOperation("volumeDepthRangePass"),n.setRenderEncoder(t._depthRangeEncoder),n.volumeDepthRangePass(!0),t._mapper.setWebGPURenderer(n),t._mapper.prepareToDraw(t._depthRangeEncoder),t._mapper.registerDrawCallback(t._depthRangeEncoder),n.volumeDepthRangePass(!1)},e.createDepthRangeEncoder=e=>{const n=e.getDevice();t._depthRangeEncoder=Ug.newInstance({label:"VolumePass DepthRange"}),t._depthRangeEncoder.setPipelineHash("volr"),t._depthRangeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor1"),t.addOutput("vec4","outColor2");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor1 = vec4(input.fragPos.z, 0.0, 0.0, 0.0);","output.outColor2 = vec4(stopval, 0.0, 0.0, 0.0);"]).result,t.setCode(n)})),t._depthRangeEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:null,clearValue:[1,1,1,1],loadOp:"clear",storeOp:"store"}]}),t._depthRangeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"max"},alpha:{srcfactor:"one",dstFactor:"one",operation:"max"}}},{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"min"},alpha:{srcfactor:"one",dstFactor:"one",operation:"min"}}}]}}),t._depthRangeTexture=ev.newInstance({label:"volumePassMaxDepth"}),t._depthRangeTexture.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const r=t._depthRangeTexture.createView("maxTexture");t._depthRangeEncoder.setColorTextureView(0,r),t._depthRangeTexture2=ev.newInstance({label:"volumePassDepthMin"}),t._depthRangeTexture2.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const o=t._depthRangeTexture2.createView("minTexture");t._depthRangeEncoder.setColorTextureView(1,o),t._mapper.setDevice(e.getDevice()),t._mapper.setTextureViews([t.depthTextureView])},e.createClearEncoder=e=>{t._colorTexture=ev.newInstance({label:"volumePassColor"}),t._colorTexture.create(e.getDevice(),{width:e.getCanvas().width,height:e.getCanvas().height,format:"bgra8unorm",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC}),t._colorTextureView=t._colorTexture.createView("volumePassColorTexture"),t._colorTextureView.addSampler(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._clearEncoder=Ug.newInstance({label:"VolumePass Clear"}),t._clearEncoder.setColorTextureView(0,t._colorTextureView),t._clearEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"}]}),t._clearEncoder.setPipelineHash("volpf"),t._clearEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createCopyEncoder=e=>{t._copyEncoder=Ug.newInstance({label:"volumePassCopy"}),t._copyEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._copyEncoder.setPipelineHash("volcopypf"),t._copyEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createMergeEncoder=e=>{t._mergeEncoder=Ug.newInstance({label:"volumePassMerge"}),t._mergeEncoder.setColorTextureView(0,t._colorTextureView),t._mergeEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._mergeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t._mergeEncoder.setPipelineHash("volpf"),t._mergeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.setVolumes=n=>{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Tv,n),Cm.extend(e,t,n),t._mapper=su.newInstance(),t._mapper.setFragmentShaderTemplate(xv),t._mapper.getShaderReplacements().set("replaceShaderVolumePass",((e,t,n)=>{t.getShaderDescription("fragment").addBuiltinInput("vec4","@builtin(position) fragPos")})),t._boundsPoly=ji.newInstance(),t._lastMTimes=[],gt.setGet(e,t,["colorTextureView","depthTextureView"]),_v(e,t)}var wv={newInstance:gt.newInstance(Sv,"vtkWebGPUVolumePass"),extend:Sv};function Cv(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e),t.opaquePass||(t.opaquePass=ov.newInstance());const o=n.getRenderable().getNumberOfLayers(),i=n.getChildren();for(let r=0;r0&&(t.translucentPass||(t.translucentPass=lv.newInstance()),t.translucentPass.setColorTextureView(t.opaquePass.getColorTextureView()),t.translucentPass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.translucentPass.traverse(a,n)),t.volumes.length>0&&(t.volumePass||(t.volumePass=wv.newInstance()),t.volumePass.setColorTextureView(t.opaquePass.getColorTextureView()),t.volumePass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.volumePass.setVolumes(t.volumes),t.volumePass.traverse(a,n)),e.finalPass(n,a))}},e.finalPass=(n,r)=>{t._finalBlitEncoder||e.createFinalBlitEncoder(n),t._finalBlitOutputTextureView.createFromTextureHandle(n.getCurrentTexture(),{depth:1,format:n.getPresentationFormat()}),t._finalBlitEncoder.attachTextureViews(),t._finalBlitEncoder.begin(n.getCommandEncoder()),r.scissorAndViewport(t._finalBlitEncoder),t._fullScreenQuad.prepareAndDraw(t._finalBlitEncoder),t._finalBlitEncoder.end()},e.createFinalBlitEncoder=e=>{t._finalBlitEncoder=Ug.newInstance({label:"forwardPassBlit"}),t._finalBlitEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._finalBlitEncoder.setPipelineHash("fpf"),t._finalBlitEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:e.getPresentationFormat(),blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}}),t._fsqSampler=vc.newInstance({label:"finalPassSampler"}),t._fsqSampler.create(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._fullScreenQuad=du.newInstance(),t._fullScreenQuad.setDevice(e.getDevice()),t._fullScreenQuad.setPipelineHash("fpfsq"),t._fullScreenQuad.setTextureViews([t.opaquePass.getColorTextureView()]),t._fullScreenQuad.setAdditionalBindables([t._fsqSampler]),t._fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = clamp(textureSampleLevel(opaquePassColorTexture, finalPassSampler, input.tcoordVS, 0),vec4(0.0),vec4(1.0));\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n"),t._finalBlitOutputTextureView=Wg.newInstance(),t._finalBlitEncoder.setColorTextureView(0,t._finalBlitOutputTextureView)},e.incrementOpaqueActorCount=()=>t.opaqueActorCount++,e.incrementTranslucentActorCount=()=>t.translucentActorCount++,e.addVolume=e=>{t.volumes.push(e)}}const Av={opaqueActorCount:0,translucentActorCount:0,volumes:null,opaqueRenderEncoder:null,translucentPass:null,volumePass:null};function Ev(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Av,n),Cm.extend(e,t,n),gt.setGet(e,t,["opaquePass","translucentPass","volumePass"]),Cv(e,t)}var Dv={newInstance:gt.newInstance(Ev,"vtkForwardPass"),extend:Ev};const{VtkDataTypes:Iv}=Wr;function Ov(e,t){function n(e){if(e.imageData){e.dataArray=e.imageData.getPointData().getScalars(),e.time=e.dataArray.getMTime(),e.nativeArray=e.dataArray.getData();const t=e.imageData.getDimensions();switch(e.width=t[0],e.height=t[1],e.depth=t[2],e.dataArray.getNumberOfComponents()){case 1:e.format="r";break;case 2:e.format="rg";break;default:e.format="rgba"}switch(e.dataArray.getDataType()){case Iv.UNSIGNED_CHAR:e.format+="8unorm";break;case Iv.FLOAT:case Iv.UNSIGNED_INT:case Iv.INT:case Iv.DOUBLE:case Iv.UNSIGNED_SHORT:case Iv.SHORT:default:e.format+="16float"}}e.image&&(e.width=e.image.width,e.height=e.image.height,e.depth=1,e.format="rgba8unorm"),e.jsImageData&&(e.width=e.jsImageData.width,e.height=e.jsImageData.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.nativeArray=e.jsImageData.data),e.canvas&&(e.width=e.canvas.width,e.height=e.canvas.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.usage=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.RENDER_ATTACHMENT)}function r(e){const n=ev.newInstance();return n.create(t.device,{width:e.width,height:e.height,depth:e.depth,format:e.format,usage:e.usage,mipLevel:e.mipLevel}),(e.nativeArray||e.image||e.canvas)&&n.writeImageData(e),n}t.classHierarchy.push("vtkWebGPUTextureManager"),e.getTexture=e=>e.hash?t.device.getCachedObject(e.hash,r,e):r(e),e.getTextureForImageData=e=>{const r={time:e.getMTime()};return r.imageData=e,n(r),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)},e.getTextureForVTKTexture=e=>{const r={time:e.getMTime()};return e.getInputData()?r.imageData=e.getInputData():e.getImage()?r.image=e.getImage():e.getJsImageData()?r.jsImageData=e.getJsImageData():e.getCanvas()&&(r.canvas=e.getCanvas()),n(r),r.mipLevel=e.getMipLevel(),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)}}const Pv={handle:null,device:null};function Nv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Pv,n),gt.obj(e,t),gt.setGet(e,t,["device"]),Ov(e,t)}var Mv={newInstance:gt.newInstance(Nv),extend:Nv};class Rv extends Map{constructor(){super(),this.registry=new FinalizationRegistry((e=>{const t=super.get(e);t&&t.deref&&void 0===t.deref()&&super.delete(e)}))}getValue(e){const t=super.get(e);if(t){const n=t.deref();if(void 0!==n)return n;super.delete(e)}}setValue(e,t){let n;return t&&"object"==typeof t&&(n=new WeakRef(t),this.registry.register(t,e),super.set(e,n)),n}}function Fv(e,t){t.classHierarchy.push("vtkWebGPUDevice"),e.initialize=e=>{t.handle=e},e.createCommandEncoder=()=>t.handle.createCommandEncoder(),e.submitCommandEncoder=e=>{t.handle.queue.submit([e.finish()])},e.getShaderModule=e=>t.shaderCache.getShaderModule(e),e.getBindGroupLayout=e=>{if(!e.entries)return null;for(let t=0;t{for(let n=0;ne in t.pipelines?t.pipelines[e]:null,e.createPipeline=(n,r)=>{r.initialize(e,n),t.pipelines[n]=r},e.onSubmittedWorkDone=()=>t.handle.queue.onSubmittedWorkDone(),e.hasCachedObject=e=>t.objectCache.getValue(e),e.getCachedObject=function(e,n){if(!e)return vtkErrorMacro("attempt to cache an object without a hash"),null;const r=t.objectCache.getValue(e);if(r)return r;for(var o=arguments.length,i=new Array(o>2?o-2:0),a=2;a2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,kv,n),je(e,t),$e(e,t,["handle"]),He(e,t,["bufferManager","shaderCache","textureManager"]),t.objectCache=new Rv,t.shaderCache=Fl.newInstance(),t.shaderCache.setDevice(e),t.bindGroupLayouts=[],t.bufferManager=qu.newInstance(),t.bufferManager.setDevice(e),t.textureManager=Mv.newInstance(),t.textureManager.setDevice(e),t.pipelines={},Fv(e,t)}var Bv={newInstance:rt(Lv,"vtkWebGPUDevice"),extend:Lv};function Vv(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelectionPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=null,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getDevice();if(t.selectionRenderEncoder)t.colorTexture.resize(n.getCanvas().width,n.getCanvas().height),t.depthTexture.resizeToMatch(t.colorTexture);else{e.createRenderEncoder(),t.colorTexture=ev.newInstance({label:"hardwareSelectorColor"}),t.colorTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"rgba32uint",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const r=t.colorTexture.createView("hardwareSelectColorTexture");t.selectionRenderEncoder.setColorTextureView(0,r),t.depthTexture=ev.newInstance({label:"hardwareSelectorDepth"}),t.depthTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"depth32float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const i=t.depthTexture.createView("hardwareSelectDepthTexture");t.selectionRenderEncoder.setDepthTextureView(i)}t.selectionRenderEncoder.attachTextureViews(),r.setRenderEncoder(t.selectionRenderEncoder),e.setCurrentOperation("cameraPass"),r.traverse(e),e.setCurrentOperation("opaquePass"),r.traverse(e)},e.createRenderEncoder=()=>{t.selectionRenderEncoder=Ug.newInstance({label:"HardwareSelectionPass"}),t.selectionRenderEncoder.setPipelineHash("sel"),t.selectionRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(mapperUBO.PropID, compositeID, 0u, 0u);"]).result,t.setCode(n)})),t.selectionRenderEncoder.getDescription().colorAttachments[0].clearValue=[0,0,0,0],t.selectionRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba32uint",blend:void 0}]}})}}const Uv={selectionRenderEncoder:null,colorTexture:null,depthTexture:null};function Gv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Uv,n),Cm.extend(e,t,n),gt.get(e,t,["colorTexture","depthTexture"]),Vv(e,t)}var zv={newInstance:gt.newInstance(Gv,"vtkWebGPUHardwareSelectionPass"),extend:Gv};const{SelectionContent:jv,SelectionField:Wv}=Hm,{FieldAssociations:Hv}=di,{vtkErrorMacro:Xv}=gt;function Kv(e){return`${e.propID} ${e.compositeID}`}function qv(e,t,n,r){const o=4*((n.height-t-1)*n.colorBufferWidth+e)+r;return n.colorValues[o]}function $v(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]<0||t[0]>=e.width||t[1]<0||t[1]>=e.height)return null;const n=qv(t[0],t[1],e,0);if(n<=0)return null;const o={};o.propID=n;let i=qv(t[0],t[1],e,1);if((i<0||i>16777215)&&(i=0),o.compositeID=i,e.captureZValues){const n=(e.height-t[1]-1)*e.zbufferBufferWidth+t[0];o.zValue=e.depthValues[n],o.zValue=e.webGPURenderer.convertToOpenGLDepth(o.zValue),o.displayPosition=t}return o}const i=[t[0],t[1]],a=[0,0];let s=$v(e,t,0,r);if(s)return s;for(let t=1;tt?i[1]-t:0;n<=i[1]+t;++n){if(a[1]=n,i[0]>=t&&(a[0]=i[0]-t,s=$v(e,a,0,r),s))return s;if(a[0]=i[0]+t,s=$v(e,a,0,r),s)return s}for(let n=i[0]>=t?i[0]-(t-1):0;n<=i[0]+(t-1);++n){if(a[0]=n,i[1]>=t&&(a[1]=i[1]-t,s=$v(e,a,0,r),s))return s;if(a[1]=i[1]+t,s=$v(e,a,0,r),s)return s}}return r[0]=t[0],r[1]=t[1],null}function Yv(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelector"),e.endSelection=()=>{t.WebGPURenderer.setSelector(null)},e.getSourceDataAsync=async e=>{if(!e||!t._WebGPURenderWindow)return Xv("Renderer and view must be set before calling Select."),!1;t._WebGPURenderWindow.getRenderable().preRender(),t._WebGPURenderWindow.getInitialized()||(t._WebGPURenderWindow.initialize(),await new Promise((e=>{t._WebGPURenderWindow.onInitialized(e)})));const n=t._WebGPURenderWindow.getViewNodeFor(e);if(!n)return!1;const r=n.getSuppressClear();n.setSuppressClear(!0),t._selectionPass.traverse(t._WebGPURenderWindow,n),n.setSuppressClear(r);const o=t._WebGPURenderWindow.getDevice(),i=t._selectionPass.getColorTexture(),a=t._selectionPass.getDepthTexture(),s={area:[0,0,i.getWidth()-1,i.getHeight()-1],captureZValues:t.captureZValues,fieldAssociation:t.fieldAssociation,renderer:e,webGPURenderer:n,webGPURenderWindow:t._WebGPURenderWindow,width:i.getWidth(),height:i.getHeight()};s.colorBufferWidth=16*Math.floor((s.width+15)/16),s.colorBufferSizeInBytes=s.colorBufferWidth*s.height*4*4;const l=vu.newInstance({label:"hardwareSelectColorBuffer"});l.setDevice(o),l.create(s.colorBufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST);const u=t._WebGPURenderWindow.getCommandEncoder();let c;u.copyTextureToBuffer({texture:i.getHandle()},{buffer:l.getHandle(),bytesPerRow:16*s.colorBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1}),t.captureZValues&&(s.zbufferBufferWidth=64*Math.floor((s.width+63)/64),c=vu.newInstance({label:"hardwareSelectDepthBuffer"}),c.setDevice(o),s.zbufferSizeInBytes=s.height*s.zbufferBufferWidth*4,c.create(s.zbufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST),u.copyTextureToBuffer({texture:a.getHandle(),aspect:"depth-only"},{buffer:c.getHandle(),bytesPerRow:4*s.zbufferBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1})),o.submitCommandEncoder(u);const d=l.mapAsync(GPUMapMode.READ);if(t.captureZValues){const e=c.mapAsync(GPUMapMode.READ);await Promise.all([d,e]),s.depthValues=new Float32Array(c.getMappedRange().slice()),c.unmap()}else await d;return s.colorValues=new Uint32Array(l.getMappedRange().slice()),l.unmap(),s.generateSelection=(e,t,n,r)=>function(e,t,n,r,o){const i=Math.floor(t),a=Math.floor(n),s=Math.floor(r),l=Math.floor(o),u=new Map,c=[0,0];for(let t=a;t<=l;t++)for(let n=i;n<=s;n++){const r=$v(e,[n,t],0,c);if(r){const t=Kv(r);if(u.has(t)){const n=u.get(t);n.pixelCount++,e.captureZValues&&r.zValue{const a=Hm.newInstance();switch(a.setContentType(jv.INDICES),e){case Hv.FIELD_ASSOCIATION_CELLS:a.setFieldType(Wv.CELL);break;case Hv.FIELD_ASSOCIATION_POINTS:a.setFieldType(Wv.POINT);break;default:Xv("Unknown field association")}a.getProperties().propID=t.info.propID;const s=n.webGPURenderer.getPropFromID(t.info.propID);a.getProperties().prop=s.getRenderable(),a.getProperties().compositeID=t.info.compositeID,a.getProperties().pixelCount=t.pixelCount,n.captureZValues&&(a.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],a.getProperties().worldPosition=n.webGPURenderWindow.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,n.renderer)),a.setSelectionList(t.attributeIDs),r[o]=a,o++})),r}(e.fieldAssociation,u,e)}(s,e,t,n,r),s}}const Jv={};function Qv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Jv,n),Gm.extend(e,t,n),t._selectionPass=zv.newInstance(),gt.setGet(e,t,["_WebGPURenderWindow"]),gt.moveToProtected(e,t,["WebGPURenderWindow"]),Yv(e,t)}var Zv={newInstance:gt.newInstance(Qv,"vtkWebGPUHardwareSelector"),extend:Qv};const{vtkErrorMacro:ey}=gt,ty={position:"absolute",top:0,left:0,width:"100%",height:"100%"};function ny(e,t){t.classHierarchy.push("vtkWebGPURenderWindow"),e.getViewNodeFactory=()=>t.myFactory;const n=[0,0];e.onModified((function(){t.renderable&&(t.size[0]===n[0]&&t.size[1]===n[1]||(n[0]=t.size[0],n[1]=t.size[1],t.canvas.setAttribute("width",t.size[0]),t.canvas.setAttribute("height",t.size[1]),e.recreateSwapChain())),t.viewStream&&t.viewStream.setSize(t.size[0],t.size[1]),t.canvas.style.display=t.useOffScreen?"none":"block",t.el&&(t.el.style.cursor=t.cursorVisibility?t.cursor:"none"),t.containerSize=null})),e.recreateSwapChain=()=>{t.context&&(t.context.unconfigure(),t.presentationFormat=navigator.gpu.getPreferredCanvasFormat(t.adapter),t.context.configure({device:t.device.getHandle(),format:t.presentationFormat,alphaMode:"premultiplied",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_DST,width:t.size[0],height:t.size[1]}),t._configured=!0)},e.getCurrentTexture=()=>t.context.getCurrentTexture(),e.buildPass=n=>{if(n){if(!t.renderable)return;e.prepareNodes(),e.addMissingNodes(t.renderable.getRenderersByReference()),e.removeUnusedNodes(),e.initialize()}else t.initialized&&(t._configured||e.recreateSwapChain(),t.commandEncoder=t.device.createCommandEncoder())},e.initialize=()=>{if(!t.initializing){if(t.initializing=!0,!navigator.gpu)return void ey("WebGPU is not enabled.");e.create3DContextAsync().then((()=>{t.initialized=!0,t.deleted||e.invokeInitialized()}))}},e.setContainer=n=>{t.el&&t.el!==n&&(t.canvas.parentNode!==t.el&&ey("Error: canvas parent node does not match container"),t.el.removeChild(t.canvas),t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)),t.el!==n&&(t.el=n,t.el&&(t.el.appendChild(t.canvas),t.useBackgroundImage&&t.el.appendChild(t.bgImage)),e.modified())},e.getContainer=()=>t.el,e.getContainerSize=()=>{if(!t.containerSize&&t.el){const{width:e,height:n}=t.el.getBoundingClientRect();t.containerSize=[e,n]}return t.containerSize||t.size},e.getFramebufferSize=()=>t.size,e.create3DContextAsync=async()=>{t.adapter=await navigator.gpu.requestAdapter({powerPreference:"high-performance"}),t.deleted||(t.device=Bv.newInstance(),t.device.initialize(await t.adapter.requestDevice()),t.deleted?t.device=null:t.context=t.canvas.getContext("webgpu"))},e.releaseGraphicsResources=()=>{const n=Cm.newInstance();n.setCurrentOperation("Release"),n.traverse(e,null),t.adapter=null,t.device=null,t.context=null,t.initialized=!1,t.initializing=!1},e.setBackgroundImage=e=>{t.bgImage.src=e.src},e.setUseBackgroundImage=e=>{t.useBackgroundImage=e,t.useBackgroundImage&&!t.el.contains(t.bgImage)?t.el.appendChild(t.bgImage):!t.useBackgroundImage&&t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)},e.captureNextImage=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"image/png",{resetCamera:r=!1,size:o=null,scale:i=1}=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(t.deleted)return null;t.imageFormat=n;const a=t.notifyStartCaptureImage;return t.notifyStartCaptureImage=!0,t._screenshot={size:o||1!==i?o||t.size.map((e=>e*i)):null},new Promise(((n,o)=>{const i=e.onImageReady((o=>{if(null===t._screenshot.size)t.notifyStartCaptureImage=a,i.unsubscribe(),t._screenshot.placeHolder&&(t.size=t._screenshot.originalSize,e.modified(),t._screenshot.cameras&&t._screenshot.cameras.forEach((e=>{let{restoreParamsFn:t,arg:n}=e;return t(n)})),e.traverseAllPasses(),t.el.removeChild(t._screenshot.placeHolder),t._screenshot.placeHolder.remove(),t._screenshot=null),n(o);else{const n=document.createElement("img");if(n.style=ty,n.src=o,t._screenshot.placeHolder=t.el.appendChild(n),t.canvas.style.display="none",t._screenshot.originalSize=t.size,t.size=t._screenshot.size,t._screenshot.size=null,e.modified(),r){const e=!0!==r;t._screenshot.cameras=t.renderable.getRenderers().map((t=>{const n=t.getActiveCamera(),o=n.get("focalPoint","position","parallelScale");return{resetCameraArgs:e?{renderer:t}:void 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n=document.querySelector("body");t.rootContainer||(t.rootContainer=n),t.container||(t.container=document.createElement("div"),ly(t.container,t.containerStyle||ay),t.rootContainer.appendChild(t.container)),t.rootContainer===n&&(document.documentElement.style.height="100%",n.style.height="100%",n.style.padding="0",n.style.margin="0"),t.renderWindow=Rf.newInstance(),t.renderer=Ef.newInstance(),t.renderWindow.addRenderer(t.renderer),t.apiSpecificRenderWindow=t.renderWindow.newAPISpecificView(iy.viewAPI??t.defaultViewAPI),t.apiSpecificRenderWindow.setContainer(t.container),t.renderWindow.addView(t.apiSpecificRenderWindow),t.interactor=Qf.newInstance(),t.interactor.setInteractorStyle(gh.newInstance()),t.interactor.setView(t.apiSpecificRenderWindow),t.interactor.initialize(),t.interactor.bindEvents(t.container),e.setBackground=t.renderer.setBackground,e.removeController=()=>{const 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r=n(2);t.ArrayExpression=function(e){this.type=r.Syntax.ArrayExpression,this.elements=e};t.ArrayPattern=function(e){this.type=r.Syntax.ArrayPattern,this.elements=e};t.ArrowFunctionExpression=function(e,t,n){this.type=r.Syntax.ArrowFunctionExpression,this.id=null,this.params=e,this.body=t,this.generator=!1,this.expression=n,this.async=!1};t.AssignmentExpression=function(e,t,n){this.type=r.Syntax.AssignmentExpression,this.operator=e,this.left=t,this.right=n};t.AssignmentPattern=function(e,t){this.type=r.Syntax.AssignmentPattern,this.left=e,this.right=t};t.AsyncArrowFunctionExpression=function(e,t,n){this.type=r.Syntax.ArrowFunctionExpression,this.id=null,this.params=e,this.body=t,this.generator=!1,this.expression=n,this.async=!0};t.AsyncFunctionDeclaration=function(e,t,n){this.type=r.Syntax.FunctionDeclaration,this.id=e,this.params=t,this.body=n,this.generator=!1,this.expression=!1,this.async=!0};t.AsyncFunctionExpression=function(e,t,n){this.type=r.Syntax.FunctionExpression,this.id=e,this.params=t,this.body=n,this.generator=!1,this.expression=!1,this.async=!0};t.AwaitExpression=function(e){this.type=r.Syntax.AwaitExpression,this.argument=e};t.BinaryExpression=function(e,t,n){var o="||"===e||"&&"===e;this.type=o?r.Syntax.LogicalExpression:r.Syntax.BinaryExpression,this.operator=e,this.left=t,this.right=n};t.BlockStatement=function(e){this.type=r.Syntax.BlockStatement,this.body=e};t.BreakStatement=function(e){this.type=r.Syntax.BreakStatement,this.label=e};t.CallExpression=function(e,t){this.type=r.Syntax.CallExpression,this.callee=e,this.arguments=t};t.CatchClause=function(e,t){this.type=r.Syntax.CatchClause,this.param=e,this.body=t};t.ClassBody=function(e){this.type=r.Syntax.ClassBody,this.body=e};t.ClassDeclaration=function(e,t,n){this.type=r.Syntax.ClassDeclaration,this.id=e,this.superClass=t,this.body=n};t.ClassExpression=function(e,t,n){this.type=r.Syntax.ClassExpression,this.id=e,this.superClass=t,this.body=n};t.ComputedMemberExpression=function(e,t){this.type=r.Syntax.MemberExpression,this.computed=!0,this.object=e,this.property=t};t.ConditionalExpression=function(e,t,n){this.type=r.Syntax.ConditionalExpression,this.test=e,this.consequent=t,this.alternate=n};t.ContinueStatement=function(e){this.type=r.Syntax.ContinueStatement,this.label=e};t.DebuggerStatement=function(){this.type=r.Syntax.DebuggerStatement};t.Directive=function(e,t){this.type=r.Syntax.ExpressionStatement,this.expression=e,this.directive=t};t.DoWhileStatement=function(e,t){this.type=r.Syntax.DoWhileStatement,this.body=e,this.test=t};t.EmptyStatement=function(){this.type=r.Syntax.EmptyStatement};t.ExportAllDeclaration=function(e){this.type=r.Syntax.ExportAllDeclaration,this.source=e};t.ExportDefaultDeclaration=function(e){this.type=r.Syntax.ExportDefaultDeclaration,this.declaration=e};t.ExportNamedDeclaration=function(e,t,n){this.type=r.Syntax.ExportNamedDeclaration,this.declaration=e,this.specifiers=t,this.source=n};t.ExportSpecifier=function(e,t){this.type=r.Syntax.ExportSpecifier,this.exported=t,this.local=e};t.ExpressionStatement=function(e){this.type=r.Syntax.ExpressionStatement,this.expression=e};t.ForInStatement=function(e,t,n){this.type=r.Syntax.ForInStatement,this.left=e,this.right=t,this.body=n,this.each=!1};t.ForOfStatement=function(e,t,n){this.type=r.Syntax.ForOfStatement,this.left=e,this.right=t,this.body=n};t.ForStatement=function(e,t,n,o){this.type=r.Syntax.ForStatement,this.init=e,this.test=t,this.update=n,this.body=o};t.FunctionDeclaration=function(e,t,n,o){this.type=r.Syntax.FunctionDeclaration,this.id=e,this.params=t,this.body=n,this.generator=o,this.expression=!1,this.async=!1};t.FunctionExpression=function(e,t,n,o){this.type=r.Syntax.FunctionExpression,this.id=e,this.params=t,this.body=n,this.generator=o,this.expression=!1,this.async=!1};t.Identifier=function(e){this.type=r.Syntax.Identifier,this.name=e};t.IfStatement=function(e,t,n){this.type=r.Syntax.IfStatement,this.test=e,this.consequent=t,this.alternate=n};t.ImportDeclaration=function(e,t){this.type=r.Syntax.ImportDeclaration,this.specifiers=e,this.source=t};t.ImportDefaultSpecifier=function(e){this.type=r.Syntax.ImportDefaultSpecifier,this.local=e};t.ImportNamespaceSpecifier=function(e){this.type=r.Syntax.ImportNamespaceSpecifier,this.local=e};t.ImportSpecifier=function(e,t){this.type=r.Syntax.ImportSpecifier,this.local=e,this.imported=t};t.LabeledStatement=function(e,t){this.type=r.Syntax.LabeledStatement,this.label=e,this.body=t};t.Literal=function(e,t){this.type=r.Syntax.Literal,this.value=e,this.raw=t};t.MetaProperty=function(e,t){this.type=r.Syntax.MetaProperty,this.meta=e,this.property=t};t.MethodDefinition=function(e,t,n,o,i){this.type=r.Syntax.MethodDefinition,this.key=e,this.computed=t,this.value=n,this.kind=o,this.static=i};t.Module=function(e){this.type=r.Syntax.Program,this.body=e,this.sourceType="module"};t.NewExpression=function(e,t){this.type=r.Syntax.NewExpression,this.callee=e,this.arguments=t};t.ObjectExpression=function(e){this.type=r.Syntax.ObjectExpression,this.properties=e};t.ObjectPattern=function(e){this.type=r.Syntax.ObjectPattern,this.properties=e};t.Property=function(e,t,n,o,i,a){this.type=r.Syntax.Property,this.key=t,this.computed=n,this.value=o,this.kind=e,this.method=i,this.shorthand=a};t.RegexLiteral=function(e,t,n,o){this.type=r.Syntax.Literal,this.value=e,this.raw=t,this.regex={pattern:n,flags:o}};t.RestElement=function(e){this.type=r.Syntax.RestElement,this.argument=e};t.ReturnStatement=function(e){this.type=r.Syntax.ReturnStatement,this.argument=e};t.Script=function(e){this.type=r.Syntax.Program,this.body=e,this.sourceType="script"};t.SequenceExpression=function(e){this.type=r.Syntax.SequenceExpression,this.expressions=e};t.SpreadElement=function(e){this.type=r.Syntax.SpreadElement,this.argument=e};t.StaticMemberExpression=function(e,t){this.type=r.Syntax.MemberExpression,this.computed=!1,this.object=e,this.property=t};t.Super=function(){this.type=r.Syntax.Super};t.SwitchCase=function(e,t){this.type=r.Syntax.SwitchCase,this.test=e,this.consequent=t};t.SwitchStatement=function(e,t){this.type=r.Syntax.SwitchStatement,this.discriminant=e,this.cases=t};t.TaggedTemplateExpression=function(e,t){this.type=r.Syntax.TaggedTemplateExpression,this.tag=e,this.quasi=t};t.TemplateElement=function(e,t){this.type=r.Syntax.TemplateElement,this.value=e,this.tail=t};t.TemplateLiteral=function(e,t){this.type=r.Syntax.TemplateLiteral,this.quasis=e,this.expressions=t};t.ThisExpression=function(){this.type=r.Syntax.ThisExpression};t.ThrowStatement=function(e){this.type=r.Syntax.ThrowStatement,this.argument=e};t.TryStatement=function(e,t,n){this.type=r.Syntax.TryStatement,this.block=e,this.handler=t,this.finalizer=n};t.UnaryExpression=function(e,t){this.type=r.Syntax.UnaryExpression,this.operator=e,this.argument=t,this.prefix=!0};t.UpdateExpression=function(e,t,n){this.type=r.Syntax.UpdateExpression,this.operator=e,this.argument=t,this.prefix=n};t.VariableDeclaration=function(e,t){this.type=r.Syntax.VariableDeclaration,this.declarations=e,this.kind=t};t.VariableDeclarator=function(e,t){this.type=r.Syntax.VariableDeclarator,this.id=e,this.init=t};t.WhileStatement=function(e,t){this.type=r.Syntax.WhileStatement,this.test=e,this.body=t};t.WithStatement=function(e,t){this.type=r.Syntax.WithStatement,this.object=e,this.body=t};t.YieldExpression=function(e,t){this.type=r.Syntax.YieldExpression,this.argument=e,this.delegate=t}},function(e,t,n){"use 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s.Scanner(e,this.errorHandler),this.scanner.trackComment=this.config.comment,this.operatorPrecedence={")":0,";":0,",":0,"=":0,"]":0,"||":1,"&&":2,"|":3,"^":4,"&":5,"==":6,"!=":6,"===":6,"!==":6,"<":7,">":7,"<=":7,">=":7,"<<":8,">>":8,">>>":8,"+":9,"-":9,"*":11,"/":11,"%":11},this.lookahead={type:2,value:"",lineNumber:this.scanner.lineNumber,lineStart:0,start:0,end:0},this.hasLineTerminator=!1,this.context={isModule:!1,await:!1,allowIn:!0,allowStrictDirective:!0,allowYield:!0,firstCoverInitializedNameError:null,isAssignmentTarget:!1,isBindingElement:!1,inFunctionBody:!1,inIteration:!1,inSwitch:!1,labelSet:{},strict:!1},this.tokens=[],this.startMarker={index:0,line:this.scanner.lineNumber,column:0},this.lastMarker={index:0,line:this.scanner.lineNumber,column:0},this.nextToken(),this.lastMarker={index:this.scanner.index,line:this.scanner.lineNumber,column:this.scanner.index-this.scanner.lineStart}}return e.prototype.throwError=function(e){for(var t=[],n=1;n0&&this.delegate)for(var t=0;t>="===e||">>>="===e||"&="===e||"^="===e||"|="===e},e.prototype.isolateCoverGrammar=function(e){var t=this.context.isBindingElement,n=this.context.isAssignmentTarget,r=this.context.firstCoverInitializedNameError;this.context.isBindingElement=!0,this.context.isAssignmentTarget=!0,this.context.firstCoverInitializedNameError=null;var o=e.call(this);return null!==this.context.firstCoverInitializedNameError&&this.throwUnexpectedToken(this.context.firstCoverInitializedNameError),this.context.isBindingElement=t,this.context.isAssignmentTarget=n,this.context.firstCoverInitializedNameError=r,o},e.prototype.inheritCoverGrammar=function(e){var t=this.context.isBindingElement,n=this.context.isAssignmentTarget,r=this.context.firstCoverInitializedNameError;this.context.isBindingElement=!0,this.context.isAssignmentTarget=!0,this.context.firstCoverInitializedNameError=null;var o=e.call(this);return this.context.isBindingElement=this.context.isBindingElement&&t,this.context.isAssignmentTarget=this.context.isAssignmentTarget&&n,this.context.firstCoverInitializedNameError=r||this.context.firstCoverInitializedNameError,o},e.prototype.consumeSemicolon=function(){this.match(";")?this.nextToken():this.hasLineTerminator||(2===this.lookahead.type||this.match("}")||this.throwUnexpectedToken(this.lookahead),this.lastMarker.index=this.startMarker.index,this.lastMarker.line=this.startMarker.line,this.lastMarker.column=this.startMarker.column)},e.prototype.parsePrimaryExpression=function(){var e,t,n,r=this.createNode();switch(this.lookahead.type){case 3:(this.context.isModule||this.context.await)&&"await"===this.lookahead.value&&this.tolerateUnexpectedToken(this.lookahead),e=this.matchAsyncFunction()?this.parseFunctionExpression():this.finalize(r,new a.Identifier(this.nextToken().value));break;case 6:case 8:this.context.strict&&this.lookahead.octal&&this.tolerateUnexpectedToken(this.lookahead,i.Messages.StrictOctalLiteral),this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,t=this.nextToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.Literal(t.value,n));break;case 1:this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,t=this.nextToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.Literal("true"===t.value,n));break;case 5:this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,t=this.nextToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.Literal(null,n));break;case 10:e=this.parseTemplateLiteral();break;case 7:switch(this.lookahead.value){case"(":this.context.isBindingElement=!1,e=this.inheritCoverGrammar(this.parseGroupExpression);break;case"[":e=this.inheritCoverGrammar(this.parseArrayInitializer);break;case"{":e=this.inheritCoverGrammar(this.parseObjectInitializer);break;case"/":case"/=":this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,this.scanner.index=this.startMarker.index,t=this.nextRegexToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.RegexLiteral(t.regex,n,t.pattern,t.flags));break;default:e=this.throwUnexpectedToken(this.nextToken())}break;case 4:!this.context.strict&&this.context.allowYield&&this.matchKeyword("yield")?e=this.parseIdentifierName():!this.context.strict&&this.matchKeyword("let")?e=this.finalize(r,new a.Identifier(this.nextToken().value)):(this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,this.matchKeyword("function")?e=this.parseFunctionExpression():this.matchKeyword("this")?(this.nextToken(),e=this.finalize(r,new a.ThisExpression)):e=this.matchKeyword("class")?this.parseClassExpression():this.throwUnexpectedToken(this.nextToken()));break;default:e=this.throwUnexpectedToken(this.nextToken())}return e},e.prototype.parseSpreadElement=function(){var e=this.createNode();this.expect("...");var t=this.inheritCoverGrammar(this.parseAssignmentExpression);return this.finalize(e,new a.SpreadElement(t))},e.prototype.parseArrayInitializer=function(){var e=this.createNode(),t=[];for(this.expect("[");!this.match("]");)if(this.match(","))this.nextToken(),t.push(null);else if(this.match("...")){var n=this.parseSpreadElement();this.match("]")||(this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,this.expect(",")),t.push(n)}else t.push(this.inheritCoverGrammar(this.parseAssignmentExpression)),this.match("]")||this.expect(",");return this.expect("]"),this.finalize(e,new a.ArrayExpression(t))},e.prototype.parsePropertyMethod=function(e){this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1;var t=this.context.strict,n=this.context.allowStrictDirective;this.context.allowStrictDirective=e.simple;var r=this.isolateCoverGrammar(this.parseFunctionSourceElements);return this.context.strict&&e.firstRestricted&&this.tolerateUnexpectedToken(e.firstRestricted,e.message),this.context.strict&&e.stricted&&this.tolerateUnexpectedToken(e.stricted,e.message),this.context.strict=t,this.context.allowStrictDirective=n,r},e.prototype.parsePropertyMethodFunction=function(){var e=this.createNode(),t=this.context.allowYield;this.context.allowYield=!0;var n=this.parseFormalParameters(),r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!1))},e.prototype.parsePropertyMethodAsyncFunction=function(){var e=this.createNode(),t=this.context.allowYield,n=this.context.await;this.context.allowYield=!1,this.context.await=!0;var r=this.parseFormalParameters(),o=this.parsePropertyMethod(r);return this.context.allowYield=t,this.context.await=n,this.finalize(e,new a.AsyncFunctionExpression(null,r.params,o))},e.prototype.parseObjectPropertyKey=function(){var e,t=this.createNode(),n=this.nextToken();switch(n.type){case 8:case 6:this.context.strict&&n.octal&&this.tolerateUnexpectedToken(n,i.Messages.StrictOctalLiteral);var r=this.getTokenRaw(n);e=this.finalize(t,new a.Literal(n.value,r));break;case 3:case 1:case 5:case 4:e=this.finalize(t,new a.Identifier(n.value));break;case 7:"["===n.value?(e=this.isolateCoverGrammar(this.parseAssignmentExpression),this.expect("]")):e=this.throwUnexpectedToken(n);break;default:e=this.throwUnexpectedToken(n)}return e},e.prototype.isPropertyKey=function(e,t){return e.type===l.Syntax.Identifier&&e.name===t||e.type===l.Syntax.Literal&&e.value===t},e.prototype.parseObjectProperty=function(e){var t,n=this.createNode(),r=this.lookahead,o=null,s=null,l=!1,u=!1,c=!1,d=!1;if(3===r.type){var p=r.value;this.nextToken(),l=this.match("["),o=(d=!(this.hasLineTerminator||"async"!==p||this.match(":")||this.match("(")||this.match("*")||this.match(",")))?this.parseObjectPropertyKey():this.finalize(n,new a.Identifier(p))}else this.match("*")?this.nextToken():(l=this.match("["),o=this.parseObjectPropertyKey());var f=this.qualifiedPropertyName(this.lookahead);if(3===r.type&&!d&&"get"===r.value&&f)t="get",l=this.match("["),o=this.parseObjectPropertyKey(),this.context.allowYield=!1,s=this.parseGetterMethod();else if(3===r.type&&!d&&"set"===r.value&&f)t="set",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseSetterMethod();else if(7===r.type&&"*"===r.value&&f)t="init",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseGeneratorMethod(),u=!0;else if(o||this.throwUnexpectedToken(this.lookahead),t="init",this.match(":")&&!d)!l&&this.isPropertyKey(o,"__proto__")&&(e.value&&this.tolerateError(i.Messages.DuplicateProtoProperty),e.value=!0),this.nextToken(),s=this.inheritCoverGrammar(this.parseAssignmentExpression);else if(this.match("("))s=d?this.parsePropertyMethodAsyncFunction():this.parsePropertyMethodFunction(),u=!0;else if(3===r.type)if(p=this.finalize(n,new a.Identifier(r.value)),this.match("=")){this.context.firstCoverInitializedNameError=this.lookahead,this.nextToken(),c=!0;var h=this.isolateCoverGrammar(this.parseAssignmentExpression);s=this.finalize(n,new a.AssignmentPattern(p,h))}else c=!0,s=p;else this.throwUnexpectedToken(this.nextToken());return this.finalize(n,new a.Property(t,o,l,s,u,c))},e.prototype.parseObjectInitializer=function(){var e=this.createNode();this.expect("{");for(var t=[],n={value:!1};!this.match("}");)t.push(this.parseObjectProperty(n)),this.match("}")||this.expectCommaSeparator();return this.expect("}"),this.finalize(e,new a.ObjectExpression(t))},e.prototype.parseTemplateHead=function(){r.assert(this.lookahead.head,"Template literal must start with a template head");var e=this.createNode(),t=this.nextToken(),n=t.value,o=t.cooked;return this.finalize(e,new a.TemplateElement({raw:n,cooked:o},t.tail))},e.prototype.parseTemplateElement=function(){10!==this.lookahead.type&&this.throwUnexpectedToken();var e=this.createNode(),t=this.nextToken(),n=t.value,r=t.cooked;return this.finalize(e,new a.TemplateElement({raw:n,cooked:r},t.tail))},e.prototype.parseTemplateLiteral=function(){var e=this.createNode(),t=[],n=[],r=this.parseTemplateHead();for(n.push(r);!r.tail;)t.push(this.parseExpression()),r=this.parseTemplateElement(),n.push(r);return this.finalize(e,new a.TemplateLiteral(n,t))},e.prototype.reinterpretExpressionAsPattern=function(e){switch(e.type){case l.Syntax.Identifier:case l.Syntax.MemberExpression:case l.Syntax.RestElement:case l.Syntax.AssignmentPattern:break;case l.Syntax.SpreadElement:e.type=l.Syntax.RestElement,this.reinterpretExpressionAsPattern(e.argument);break;case l.Syntax.ArrayExpression:e.type=l.Syntax.ArrayPattern;for(var t=0;t")||this.expect("=>"),e={type:"ArrowParameterPlaceHolder",params:[],async:!1};else{var t=this.lookahead,n=[];if(this.match("..."))e=this.parseRestElement(n),this.expect(")"),this.match("=>")||this.expect("=>"),e={type:"ArrowParameterPlaceHolder",params:[e],async:!1};else{var r=!1;if(this.context.isBindingElement=!0,e=this.inheritCoverGrammar(this.parseAssignmentExpression),this.match(",")){var o=[];for(this.context.isAssignmentTarget=!1,o.push(e);2!==this.lookahead.type&&this.match(",");){if(this.nextToken(),this.match(")")){this.nextToken();for(var i=0;i")||this.expect("=>"),this.context.isBindingElement=!1,i=0;i")&&(e.type===l.Syntax.Identifier&&"yield"===e.name&&(r=!0,e={type:"ArrowParameterPlaceHolder",params:[e],async:!1}),!r)){if(this.context.isBindingElement||this.throwUnexpectedToken(this.lookahead),e.type===l.Syntax.SequenceExpression)for(i=0;i")){for(var l=0;l0){this.nextToken(),this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1;for(var o=[e,this.lookahead],i=t,s=this.isolateCoverGrammar(this.parseExponentiationExpression),l=[i,n.value,s],u=[r];!((r=this.binaryPrecedence(this.lookahead))<=0);){for(;l.length>2&&r<=u[u.length-1];){s=l.pop();var c=l.pop();u.pop(),i=l.pop(),o.pop();var d=this.startNode(o[o.length-1]);l.push(this.finalize(d,new a.BinaryExpression(c,i,s)))}l.push(this.nextToken().value),u.push(r),o.push(this.lookahead),l.push(this.isolateCoverGrammar(this.parseExponentiationExpression))}var p=l.length-1;t=l[p];for(var f=o.pop();p>1;){var h=o.pop(),m=f&&f.lineStart;d=this.startNode(h,m),c=l[p-1],t=this.finalize(d,new a.BinaryExpression(c,l[p-2],t)),p-=2,f=h}}return t},e.prototype.parseConditionalExpression=function(){var e=this.lookahead,t=this.inheritCoverGrammar(this.parseBinaryExpression);if(this.match("?")){this.nextToken();var n=this.context.allowIn;this.context.allowIn=!0;var r=this.isolateCoverGrammar(this.parseAssignmentExpression);this.context.allowIn=n,this.expect(":");var o=this.isolateCoverGrammar(this.parseAssignmentExpression);t=this.finalize(this.startNode(e),new a.ConditionalExpression(t,r,o)),this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1}return t},e.prototype.checkPatternParam=function(e,t){switch(t.type){case l.Syntax.Identifier:this.validateParam(e,t,t.name);break;case l.Syntax.RestElement:this.checkPatternParam(e,t.argument);break;case l.Syntax.AssignmentPattern:this.checkPatternParam(e,t.left);break;case l.Syntax.ArrayPattern:for(var n=0;n")){this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1;var o=e.async,s=this.reinterpretAsCoverFormalsList(e);if(s){this.hasLineTerminator&&this.tolerateUnexpectedToken(this.lookahead),this.context.firstCoverInitializedNameError=null;var u=this.context.strict,c=this.context.allowStrictDirective;this.context.allowStrictDirective=s.simple;var d=this.context.allowYield,p=this.context.await;this.context.allowYield=!0,this.context.await=o;var f=this.startNode(t);this.expect("=>");var h=void 0;if(this.match("{")){var m=this.context.allowIn;this.context.allowIn=!0,h=this.parseFunctionSourceElements(),this.context.allowIn=m}else h=this.isolateCoverGrammar(this.parseAssignmentExpression);var g=h.type!==l.Syntax.BlockStatement;this.context.strict&&s.firstRestricted&&this.throwUnexpectedToken(s.firstRestricted,s.message),this.context.strict&&s.stricted&&this.tolerateUnexpectedToken(s.stricted,s.message),e=o?this.finalize(f,new a.AsyncArrowFunctionExpression(s.params,h,g)):this.finalize(f,new a.ArrowFunctionExpression(s.params,h,g)),this.context.strict=u,this.context.allowStrictDirective=c,this.context.allowYield=d,this.context.await=p}}else if(this.matchAssign()){if(this.context.isAssignmentTarget||this.tolerateError(i.Messages.InvalidLHSInAssignment),this.context.strict&&e.type===l.Syntax.Identifier){var v=e;this.scanner.isRestrictedWord(v.name)&&this.tolerateUnexpectedToken(n,i.Messages.StrictLHSAssignment),this.scanner.isStrictModeReservedWord(v.name)&&this.tolerateUnexpectedToken(n,i.Messages.StrictReservedWord)}this.match("=")?this.reinterpretExpressionAsPattern(e):(this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1);var y=(n=this.nextToken()).value,b=this.isolateCoverGrammar(this.parseAssignmentExpression);e=this.finalize(this.startNode(t),new a.AssignmentExpression(y,e,b)),this.context.firstCoverInitializedNameError=null}}return e},e.prototype.parseExpression=function(){var e=this.lookahead,t=this.isolateCoverGrammar(this.parseAssignmentExpression);if(this.match(",")){var n=[];for(n.push(t);2!==this.lookahead.type&&this.match(",");)this.nextToken(),n.push(this.isolateCoverGrammar(this.parseAssignmentExpression));t=this.finalize(this.startNode(e),new a.SequenceExpression(n))}return t},e.prototype.parseStatementListItem=function(){var e;if(this.context.isAssignmentTarget=!0,this.context.isBindingElement=!0,4===this.lookahead.type)switch(this.lookahead.value){case"export":this.context.isModule||this.tolerateUnexpectedToken(this.lookahead,i.Messages.IllegalExportDeclaration),e=this.parseExportDeclaration();break;case"import":this.context.isModule||this.tolerateUnexpectedToken(this.lookahead,i.Messages.IllegalImportDeclaration),e=this.parseImportDeclaration();break;case"const":e=this.parseLexicalDeclaration({inFor:!1});break;case"function":e=this.parseFunctionDeclaration();break;case"class":e=this.parseClassDeclaration();break;case"let":e=this.isLexicalDeclaration()?this.parseLexicalDeclaration({inFor:!1}):this.parseStatement();break;default:e=this.parseStatement()}else e=this.parseStatement();return e},e.prototype.parseBlock=function(){var e=this.createNode();this.expect("{");for(var t=[];!this.match("}");)t.push(this.parseStatementListItem());return this.expect("}"),this.finalize(e,new a.BlockStatement(t))},e.prototype.parseLexicalBinding=function(e,t){var n=this.createNode(),r=this.parsePattern([],e);this.context.strict&&r.type===l.Syntax.Identifier&&this.scanner.isRestrictedWord(r.name)&&this.tolerateError(i.Messages.StrictVarName);var o=null;return"const"===e?this.matchKeyword("in")||this.matchContextualKeyword("of")||(this.match("=")?(this.nextToken(),o=this.isolateCoverGrammar(this.parseAssignmentExpression)):this.throwError(i.Messages.DeclarationMissingInitializer,"const")):(!t.inFor&&r.type!==l.Syntax.Identifier||this.match("="))&&(this.expect("="),o=this.isolateCoverGrammar(this.parseAssignmentExpression)),this.finalize(n,new a.VariableDeclarator(r,o))},e.prototype.parseBindingList=function(e,t){for(var n=[this.parseLexicalBinding(e,t)];this.match(",");)this.nextToken(),n.push(this.parseLexicalBinding(e,t));return n},e.prototype.isLexicalDeclaration=function(){var e=this.scanner.saveState();this.scanner.scanComments();var t=this.scanner.lex();return this.scanner.restoreState(e),3===t.type||7===t.type&&"["===t.value||7===t.type&&"{"===t.value||4===t.type&&"let"===t.value||4===t.type&&"yield"===t.value},e.prototype.parseLexicalDeclaration=function(e){var t=this.createNode(),n=this.nextToken().value;r.assert("let"===n||"const"===n,"Lexical declaration must be either let or const");var o=this.parseBindingList(n,e);return this.consumeSemicolon(),this.finalize(t,new a.VariableDeclaration(o,n))},e.prototype.parseBindingRestElement=function(e,t){var n=this.createNode();this.expect("...");var r=this.parsePattern(e,t);return this.finalize(n,new a.RestElement(r))},e.prototype.parseArrayPattern=function(e,t){var n=this.createNode();this.expect("[");for(var r=[];!this.match("]");)if(this.match(","))this.nextToken(),r.push(null);else{if(this.match("...")){r.push(this.parseBindingRestElement(e,t));break}r.push(this.parsePatternWithDefault(e,t)),this.match("]")||this.expect(",")}return this.expect("]"),this.finalize(n,new a.ArrayPattern(r))},e.prototype.parsePropertyPattern=function(e,t){var n,r,o=this.createNode(),i=!1,s=!1;if(3===this.lookahead.type){var l=this.lookahead;n=this.parseVariableIdentifier();var u=this.finalize(o,new a.Identifier(l.value));if(this.match("=")){e.push(l),s=!0,this.nextToken();var c=this.parseAssignmentExpression();r=this.finalize(this.startNode(l),new a.AssignmentPattern(u,c))}else this.match(":")?(this.expect(":"),r=this.parsePatternWithDefault(e,t)):(e.push(l),s=!0,r=u)}else i=this.match("["),n=this.parseObjectPropertyKey(),this.expect(":"),r=this.parsePatternWithDefault(e,t);return this.finalize(o,new a.Property("init",n,i,r,!1,s))},e.prototype.parseObjectPattern=function(e,t){var n=this.createNode(),r=[];for(this.expect("{");!this.match("}");)r.push(this.parsePropertyPattern(e,t)),this.match("}")||this.expect(",");return this.expect("}"),this.finalize(n,new a.ObjectPattern(r))},e.prototype.parsePattern=function(e,t){var n;return this.match("[")?n=this.parseArrayPattern(e,t):this.match("{")?n=this.parseObjectPattern(e,t):(!this.matchKeyword("let")||"const"!==t&&"let"!==t||this.tolerateUnexpectedToken(this.lookahead,i.Messages.LetInLexicalBinding),e.push(this.lookahead),n=this.parseVariableIdentifier(t)),n},e.prototype.parsePatternWithDefault=function(e,t){var n=this.lookahead,r=this.parsePattern(e,t);if(this.match("=")){this.nextToken();var o=this.context.allowYield;this.context.allowYield=!0;var i=this.isolateCoverGrammar(this.parseAssignmentExpression);this.context.allowYield=o,r=this.finalize(this.startNode(n),new a.AssignmentPattern(r,i))}return r},e.prototype.parseVariableIdentifier=function(e){var t=this.createNode(),n=this.nextToken();return 4===n.type&&"yield"===n.value?this.context.strict?this.tolerateUnexpectedToken(n,i.Messages.StrictReservedWord):this.context.allowYield||this.throwUnexpectedToken(n):3!==n.type?this.context.strict&&4===n.type&&this.scanner.isStrictModeReservedWord(n.value)?this.tolerateUnexpectedToken(n,i.Messages.StrictReservedWord):(this.context.strict||"let"!==n.value||"var"!==e)&&this.throwUnexpectedToken(n):(this.context.isModule||this.context.await)&&3===n.type&&"await"===n.value&&this.tolerateUnexpectedToken(n),this.finalize(t,new a.Identifier(n.value))},e.prototype.parseVariableDeclaration=function(e){var t=this.createNode(),n=this.parsePattern([],"var");this.context.strict&&n.type===l.Syntax.Identifier&&this.scanner.isRestrictedWord(n.name)&&this.tolerateError(i.Messages.StrictVarName);var r=null;return this.match("=")?(this.nextToken(),r=this.isolateCoverGrammar(this.parseAssignmentExpression)):n.type===l.Syntax.Identifier||e.inFor||this.expect("="),this.finalize(t,new a.VariableDeclarator(n,r))},e.prototype.parseVariableDeclarationList=function(e){var t={inFor:e.inFor},n=[];for(n.push(this.parseVariableDeclaration(t));this.match(",");)this.nextToken(),n.push(this.parseVariableDeclaration(t));return n},e.prototype.parseVariableStatement=function(){var e=this.createNode();this.expectKeyword("var");var t=this.parseVariableDeclarationList({inFor:!1});return this.consumeSemicolon(),this.finalize(e,new a.VariableDeclaration(t,"var"))},e.prototype.parseEmptyStatement=function(){var e=this.createNode();return this.expect(";"),this.finalize(e,new a.EmptyStatement)},e.prototype.parseExpressionStatement=function(){var e=this.createNode(),t=this.parseExpression();return this.consumeSemicolon(),this.finalize(e,new a.ExpressionStatement(t))},e.prototype.parseIfClause=function(){return this.context.strict&&this.matchKeyword("function")&&this.tolerateError(i.Messages.StrictFunction),this.parseStatement()},e.prototype.parseIfStatement=function(){var e,t=this.createNode(),n=null;this.expectKeyword("if"),this.expect("(");var r=this.parseExpression();return!this.match(")")&&this.config.tolerant?(this.tolerateUnexpectedToken(this.nextToken()),e=this.finalize(this.createNode(),new a.EmptyStatement)):(this.expect(")"),e=this.parseIfClause(),this.matchKeyword("else")&&(this.nextToken(),n=this.parseIfClause())),this.finalize(t,new a.IfStatement(r,e,n))},e.prototype.parseDoWhileStatement=function(){var e=this.createNode();this.expectKeyword("do");var t=this.context.inIteration;this.context.inIteration=!0;var n=this.parseStatement();this.context.inIteration=t,this.expectKeyword("while"),this.expect("(");var r=this.parseExpression();return!this.match(")")&&this.config.tolerant?this.tolerateUnexpectedToken(this.nextToken()):(this.expect(")"),this.match(";")&&this.nextToken()),this.finalize(e,new a.DoWhileStatement(n,r))},e.prototype.parseWhileStatement=function(){var e,t=this.createNode();this.expectKeyword("while"),this.expect("(");var n=this.parseExpression();if(!this.match(")")&&this.config.tolerant)this.tolerateUnexpectedToken(this.nextToken()),e=this.finalize(this.createNode(),new a.EmptyStatement);else{this.expect(")");var r=this.context.inIteration;this.context.inIteration=!0,e=this.parseStatement(),this.context.inIteration=r}return this.finalize(t,new a.WhileStatement(n,e))},e.prototype.parseForStatement=function(){var e,t,n,r=null,o=null,s=null,u=!0,c=this.createNode();if(this.expectKeyword("for"),this.expect("("),this.match(";"))this.nextToken();else if(this.matchKeyword("var")){r=this.createNode(),this.nextToken();var d=this.context.allowIn;this.context.allowIn=!1;var p=this.parseVariableDeclarationList({inFor:!0});if(this.context.allowIn=d,1===p.length&&this.matchKeyword("in")){var f=p[0];f.init&&(f.id.type===l.Syntax.ArrayPattern||f.id.type===l.Syntax.ObjectPattern||this.context.strict)&&this.tolerateError(i.Messages.ForInOfLoopInitializer,"for-in"),r=this.finalize(r,new a.VariableDeclaration(p,"var")),this.nextToken(),e=r,t=this.parseExpression(),r=null}else 1===p.length&&null===p[0].init&&this.matchContextualKeyword("of")?(r=this.finalize(r,new a.VariableDeclaration(p,"var")),this.nextToken(),e=r,t=this.parseAssignmentExpression(),r=null,u=!1):(r=this.finalize(r,new a.VariableDeclaration(p,"var")),this.expect(";"))}else if(this.matchKeyword("const")||this.matchKeyword("let")){r=this.createNode();var h=this.nextToken().value;this.context.strict||"in"!==this.lookahead.value?(d=this.context.allowIn,this.context.allowIn=!1,p=this.parseBindingList(h,{inFor:!0}),this.context.allowIn=d,1===p.length&&null===p[0].init&&this.matchKeyword("in")?(r=this.finalize(r,new a.VariableDeclaration(p,h)),this.nextToken(),e=r,t=this.parseExpression(),r=null):1===p.length&&null===p[0].init&&this.matchContextualKeyword("of")?(r=this.finalize(r,new a.VariableDeclaration(p,h)),this.nextToken(),e=r,t=this.parseAssignmentExpression(),r=null,u=!1):(this.consumeSemicolon(),r=this.finalize(r,new a.VariableDeclaration(p,h)))):(r=this.finalize(r,new a.Identifier(h)),this.nextToken(),e=r,t=this.parseExpression(),r=null)}else{var m=this.lookahead;if(d=this.context.allowIn,this.context.allowIn=!1,r=this.inheritCoverGrammar(this.parseAssignmentExpression),this.context.allowIn=d,this.matchKeyword("in"))this.context.isAssignmentTarget&&r.type!==l.Syntax.AssignmentExpression||this.tolerateError(i.Messages.InvalidLHSInForIn),this.nextToken(),this.reinterpretExpressionAsPattern(r),e=r,t=this.parseExpression(),r=null;else if(this.matchContextualKeyword("of"))this.context.isAssignmentTarget&&r.type!==l.Syntax.AssignmentExpression||this.tolerateError(i.Messages.InvalidLHSInForLoop),this.nextToken(),this.reinterpretExpressionAsPattern(r),e=r,t=this.parseAssignmentExpression(),r=null,u=!1;else{if(this.match(",")){for(var g=[r];this.match(",");)this.nextToken(),g.push(this.isolateCoverGrammar(this.parseAssignmentExpression));r=this.finalize(this.startNode(m),new a.SequenceExpression(g))}this.expect(";")}}if(void 0===e&&(this.match(";")||(o=this.parseExpression()),this.expect(";"),this.match(")")||(s=this.parseExpression())),!this.match(")")&&this.config.tolerant)this.tolerateUnexpectedToken(this.nextToken()),n=this.finalize(this.createNode(),new a.EmptyStatement);else{this.expect(")");var v=this.context.inIteration;this.context.inIteration=!0,n=this.isolateCoverGrammar(this.parseStatement),this.context.inIteration=v}return void 0===e?this.finalize(c,new a.ForStatement(r,o,s,n)):u?this.finalize(c,new a.ForInStatement(e,t,n)):this.finalize(c,new a.ForOfStatement(e,t,n))},e.prototype.parseContinueStatement=function(){var e=this.createNode();this.expectKeyword("continue");var t=null;if(3===this.lookahead.type&&!this.hasLineTerminator){var n=this.parseVariableIdentifier();t=n;var r="$"+n.name;Object.prototype.hasOwnProperty.call(this.context.labelSet,r)||this.throwError(i.Messages.UnknownLabel,n.name)}return this.consumeSemicolon(),null!==t||this.context.inIteration||this.throwError(i.Messages.IllegalContinue),this.finalize(e,new a.ContinueStatement(t))},e.prototype.parseBreakStatement=function(){var e=this.createNode();this.expectKeyword("break");var t=null;if(3===this.lookahead.type&&!this.hasLineTerminator){var n=this.parseVariableIdentifier(),r="$"+n.name;Object.prototype.hasOwnProperty.call(this.context.labelSet,r)||this.throwError(i.Messages.UnknownLabel,n.name),t=n}return this.consumeSemicolon(),null!==t||this.context.inIteration||this.context.inSwitch||this.throwError(i.Messages.IllegalBreak),this.finalize(e,new a.BreakStatement(t))},e.prototype.parseReturnStatement=function(){this.context.inFunctionBody||this.tolerateError(i.Messages.IllegalReturn);var e=this.createNode();this.expectKeyword("return");var t=(this.match(";")||this.match("}")||this.hasLineTerminator||2===this.lookahead.type)&&8!==this.lookahead.type&&10!==this.lookahead.type?null:this.parseExpression();return this.consumeSemicolon(),this.finalize(e,new a.ReturnStatement(t))},e.prototype.parseWithStatement=function(){this.context.strict&&this.tolerateError(i.Messages.StrictModeWith);var e,t=this.createNode();this.expectKeyword("with"),this.expect("(");var n=this.parseExpression();return!this.match(")")&&this.config.tolerant?(this.tolerateUnexpectedToken(this.nextToken()),e=this.finalize(this.createNode(),new a.EmptyStatement)):(this.expect(")"),e=this.parseStatement()),this.finalize(t,new a.WithStatement(n,e))},e.prototype.parseSwitchCase=function(){var e,t=this.createNode();this.matchKeyword("default")?(this.nextToken(),e=null):(this.expectKeyword("case"),e=this.parseExpression()),this.expect(":");for(var n=[];!(this.match("}")||this.matchKeyword("default")||this.matchKeyword("case"));)n.push(this.parseStatementListItem());return this.finalize(t,new a.SwitchCase(e,n))},e.prototype.parseSwitchStatement=function(){var e=this.createNode();this.expectKeyword("switch"),this.expect("(");var t=this.parseExpression();this.expect(")");var n=this.context.inSwitch;this.context.inSwitch=!0;var r=[],o=!1;for(this.expect("{");!this.match("}");){var s=this.parseSwitchCase();null===s.test&&(o&&this.throwError(i.Messages.MultipleDefaultsInSwitch),o=!0),r.push(s)}return this.expect("}"),this.context.inSwitch=n,this.finalize(e,new a.SwitchStatement(t,r))},e.prototype.parseLabelledStatement=function(){var e,t=this.createNode(),n=this.parseExpression();if(n.type===l.Syntax.Identifier&&this.match(":")){this.nextToken();var r=n,o="$"+r.name;Object.prototype.hasOwnProperty.call(this.context.labelSet,o)&&this.throwError(i.Messages.Redeclaration,"Label",r.name),this.context.labelSet[o]=!0;var s=void 0;if(this.matchKeyword("class"))this.tolerateUnexpectedToken(this.lookahead),s=this.parseClassDeclaration();else if(this.matchKeyword("function")){var u=this.lookahead,c=this.parseFunctionDeclaration();this.context.strict?this.tolerateUnexpectedToken(u,i.Messages.StrictFunction):c.generator&&this.tolerateUnexpectedToken(u,i.Messages.GeneratorInLegacyContext),s=c}else s=this.parseStatement();delete this.context.labelSet[o],e=new a.LabeledStatement(r,s)}else this.consumeSemicolon(),e=new a.ExpressionStatement(n);return this.finalize(t,e)},e.prototype.parseThrowStatement=function(){var e=this.createNode();this.expectKeyword("throw"),this.hasLineTerminator&&this.throwError(i.Messages.NewlineAfterThrow);var t=this.parseExpression();return this.consumeSemicolon(),this.finalize(e,new a.ThrowStatement(t))},e.prototype.parseCatchClause=function(){var e=this.createNode();this.expectKeyword("catch"),this.expect("("),this.match(")")&&this.throwUnexpectedToken(this.lookahead);for(var t=[],n=this.parsePattern(t),r={},o=0;o0&&this.tolerateError(i.Messages.BadGetterArity);var r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!1))},e.prototype.parseSetterMethod=function(){var e=this.createNode(),t=this.context.allowYield;this.context.allowYield=!0;var n=this.parseFormalParameters();1!==n.params.length?this.tolerateError(i.Messages.BadSetterArity):n.params[0]instanceof a.RestElement&&this.tolerateError(i.Messages.BadSetterRestParameter);var r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!1))},e.prototype.parseGeneratorMethod=function(){var e=this.createNode(),t=this.context.allowYield;this.context.allowYield=!0;var n=this.parseFormalParameters();this.context.allowYield=!1;var r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!0))},e.prototype.isStartOfExpression=function(){var e=!0,t=this.lookahead.value;switch(this.lookahead.type){case 7:e="["===t||"("===t||"{"===t||"+"===t||"-"===t||"!"===t||"~"===t||"++"===t||"--"===t||"/"===t||"/="===t;break;case 4:e="class"===t||"delete"===t||"function"===t||"let"===t||"new"===t||"super"===t||"this"===t||"typeof"===t||"void"===t||"yield"===t}return e},e.prototype.parseYieldExpression=function(){var e=this.createNode();this.expectKeyword("yield");var t=null,n=!1;if(!this.hasLineTerminator){var r=this.context.allowYield;this.context.allowYield=!1,(n=this.match("*"))?(this.nextToken(),t=this.parseAssignmentExpression()):this.isStartOfExpression()&&(t=this.parseAssignmentExpression()),this.context.allowYield=r}return this.finalize(e,new a.YieldExpression(t,n))},e.prototype.parseClassElement=function(e){var t=this.lookahead,n=this.createNode(),r="",o=null,s=null,l=!1,u=!1,c=!1,d=!1;if(this.match("*"))this.nextToken();else if(l=this.match("["),"static"===(o=this.parseObjectPropertyKey()).name&&(this.qualifiedPropertyName(this.lookahead)||this.match("*"))&&(t=this.lookahead,c=!0,l=this.match("["),this.match("*")?this.nextToken():o=this.parseObjectPropertyKey()),3===t.type&&!this.hasLineTerminator&&"async"===t.value){var p=this.lookahead.value;":"!==p&&"("!==p&&"*"!==p&&(d=!0,t=this.lookahead,o=this.parseObjectPropertyKey(),3===t.type&&"constructor"===t.value&&this.tolerateUnexpectedToken(t,i.Messages.ConstructorIsAsync))}var f=this.qualifiedPropertyName(this.lookahead);return 3===t.type?"get"===t.value&&f?(r="get",l=this.match("["),o=this.parseObjectPropertyKey(),this.context.allowYield=!1,s=this.parseGetterMethod()):"set"===t.value&&f&&(r="set",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseSetterMethod()):7===t.type&&"*"===t.value&&f&&(r="init",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseGeneratorMethod(),u=!0),!r&&o&&this.match("(")&&(r="init",s=d?this.parsePropertyMethodAsyncFunction():this.parsePropertyMethodFunction(),u=!0),r||this.throwUnexpectedToken(this.lookahead),"init"===r&&(r="method"),l||(c&&this.isPropertyKey(o,"prototype")&&this.throwUnexpectedToken(t,i.Messages.StaticPrototype),!c&&this.isPropertyKey(o,"constructor")&&(("method"!==r||!u||s&&s.generator)&&this.throwUnexpectedToken(t,i.Messages.ConstructorSpecialMethod),e.value?this.throwUnexpectedToken(t,i.Messages.DuplicateConstructor):e.value=!0,r="constructor")),this.finalize(n,new 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t="0"!==e,n=s(e);return!this.eof()&&o.Character.isOctalDigit(this.source.charCodeAt(this.index))&&(t=!0,n=8*n+s(this.source[this.index++]),"0123".indexOf(e)>=0&&!this.eof()&&o.Character.isOctalDigit(this.source.charCodeAt(this.index))&&(n=8*n+s(this.source[this.index++]))),{code:n,octal:t}},e.prototype.scanIdentifier=function(){var e,t=this.index,n=92===this.source.charCodeAt(t)?this.getComplexIdentifier():this.getIdentifier();if(3!=(e=1===n.length?3:this.isKeyword(n)?4:"null"===n?5:"true"===n||"false"===n?1:3)&&t+n.length!==this.index){var r=this.index;this.index=t,this.tolerateUnexpectedToken(i.Messages.InvalidEscapedReservedWord),this.index=r}return{type:e,value:n,lineNumber:this.lineNumber,lineStart:this.lineStart,start:t,end:this.index}},e.prototype.scanPunctuator=function(){var e=this.index,t=this.source[this.index];switch(t){case"(":case"{":"{"===t&&this.curlyStack.push("{"),++this.index;break;case".":++this.index,"."===this.source[this.index]&&"."===this.source[this.index+1]&&(this.index+=2,t="...");break;case"}":++this.index,this.curlyStack.pop();break;case")":case";":case",":case"[":case"]":case":":case"?":case"~":++this.index;break;default:">>>="===(t=this.source.substr(this.index,4))?this.index+=4:"==="===(t=t.substr(0,3))||"!=="===t||">>>"===t||"<<="===t||">>="===t||"**="===t?this.index+=3:"&&"===(t=t.substr(0,2))||"||"===t||"=="===t||"!="===t||"+="===t||"-="===t||"*="===t||"/="===t||"++"===t||"--"===t||"<<"===t||">>"===t||"&="===t||"|="===t||"^="===t||"%="===t||"<="===t||">="===t||"=>"===t||"**"===t?this.index+=2:(t=this.source[this.index],"<>=!+-*%&|^/".indexOf(t)>=0&&++this.index)}return this.index===e&&this.throwUnexpectedToken(),{type:7,value:t,lineNumber:this.lineNumber,lineStart:this.lineStart,start:e,end:this.index}},e.prototype.scanHexLiteral=function(e){for(var t="";!this.eof()&&o.Character.isHexDigit(this.source.charCodeAt(this.index));)t+=this.source[this.index++];return 0===t.length&&this.throwUnexpectedToken(),o.Character.isIdentifierStart(this.source.charCodeAt(this.index))&&this.throwUnexpectedToken(),{type:6,value:parseInt("0x"+t,16),lineNumber:this.lineNumber,lineStart:this.lineStart,start:e,end:this.index}},e.prototype.scanBinaryLiteral=function(e){for(var t,n="";!this.eof()&&("0"===(t=this.source[this.index])||"1"===t);)n+=this.source[this.index++];return 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n=t[1],r=t[2],o=t[3],i=t[6],a=t[7],s=t[11];e[1]=t[4],e[2]=t[8],e[3]=t[12],e[4]=n,e[6]=t[9],e[7]=t[13],e[8]=r,e[9]=i,e[11]=t[14],e[12]=o,e[13]=a,e[14]=s}else e[0]=t[0],e[1]=t[4],e[2]=t[8],e[3]=t[12],e[4]=t[1],e[5]=t[5],e[6]=t[9],e[7]=t[13],e[8]=t[2],e[9]=t[6],e[10]=t[10],e[11]=t[14],e[12]=t[3],e[13]=t[7],e[14]=t[11],e[15]=t[15];return e}function m(e,t){var n=t[0],r=t[1],o=t[2],i=t[3],a=t[4],s=t[5],l=t[6],u=t[7],c=t[8],d=t[9],p=t[10],f=t[11],h=t[12],m=t[13],g=t[14],v=t[15],y=n*s-r*a,b=n*l-o*a,x=n*u-i*a,_=r*l-o*s,T=r*u-i*s,S=o*u-i*l,w=c*m-d*h,C=c*g-p*h,A=c*v-f*h,E=d*g-p*m,D=d*v-f*m,I=p*v-f*g,O=y*I-b*D+x*E+_*A-T*C+S*w;return O?(O=1/O,e[0]=(s*I-l*D+u*E)*O,e[1]=(o*D-r*I-i*E)*O,e[2]=(m*S-g*T+v*_)*O,e[3]=(p*T-d*S-f*_)*O,e[4]=(l*A-a*I-u*C)*O,e[5]=(n*I-o*A+i*C)*O,e[6]=(g*x-h*S-v*b)*O,e[7]=(c*S-p*x+f*b)*O,e[8]=(a*D-s*A+u*w)*O,e[9]=(r*A-n*D-i*w)*O,e[10]=(h*T-m*x+v*y)*O,e[11]=(d*x-c*T-f*y)*O,e[12]=(s*C-a*E-l*w)*O,e[13]=(n*E-r*C+o*w)*O,e[14]=(m*b-h*_-g*y)*O,e[15]=(c*_-d*b+p*y)*O,e):null}function g(e,t){var n=t[0],r=t[1],o=t[2],i=t[3],a=t[4],s=t[5],l=t[6],u=t[7],c=t[8],d=t[9],p=t[10],f=t[11],h=t[12],m=t[13],g=t[14],v=t[15];return e[0]=s*(p*v-f*g)-d*(l*v-u*g)+m*(l*f-u*p),e[1]=-(r*(p*v-f*g)-d*(o*v-i*g)+m*(o*f-i*p)),e[2]=r*(l*v-u*g)-s*(o*v-i*g)+m*(o*u-i*l),e[3]=-(r*(l*f-u*p)-s*(o*f-i*p)+d*(o*u-i*l)),e[4]=-(a*(p*v-f*g)-c*(l*v-u*g)+h*(l*f-u*p)),e[5]=n*(p*v-f*g)-c*(o*v-i*g)+h*(o*f-i*p),e[6]=-(n*(l*v-u*g)-a*(o*v-i*g)+h*(o*u-i*l)),e[7]=n*(l*f-u*p)-a*(o*f-i*p)+c*(o*u-i*l),e[8]=a*(d*v-f*m)-c*(s*v-u*m)+h*(s*f-u*d),e[9]=-(n*(d*v-f*m)-c*(r*v-i*m)+h*(r*f-i*d)),e[10]=n*(s*v-u*m)-a*(r*v-i*m)+h*(r*u-i*s),e[11]=-(n*(s*f-u*d)-a*(r*f-i*d)+c*(r*u-i*s)),e[12]=-(a*(d*g-p*m)-c*(s*g-l*m)+h*(s*p-l*d)),e[13]=n*(d*g-p*m)-c*(r*g-o*m)+h*(r*p-o*d),e[14]=-(n*(s*g-l*m)-a*(r*g-o*m)+h*(r*l-o*s)),e[15]=n*(s*p-l*d)-a*(r*p-o*d)+c*(r*l-o*s),e}function v(e){var t=e[0],n=e[1],r=e[2],o=e[3],i=e[4],a=e[5],s=e[6],l=e[7],u=e[8],c=e[9],d=e[10],p=e[11],f=e[12],h=e[13],m=e[14],g=e[15];return(t*a-n*i)*(d*g-p*m)-(t*s-r*i)*(c*g-p*h)+(t*l-o*i)*(c*m-d*h)+(n*s-r*a)*(u*g-p*f)-(n*l-o*a)*(u*m-d*f)+(r*l-o*s)*(u*h-c*f)}function y(e,t,n){var r=t[0],o=t[1],i=t[2],a=t[3],s=t[4],l=t[5],u=t[6],c=t[7],d=t[8],p=t[9],f=t[10],h=t[11],m=t[12],g=t[13],v=t[14],y=t[15],b=n[0],x=n[1],_=n[2],T=n[3];return e[0]=b*r+x*s+_*d+T*m,e[1]=b*o+x*l+_*p+T*g,e[2]=b*i+x*u+_*f+T*v,e[3]=b*a+x*c+_*h+T*y,b=n[4],x=n[5],_=n[6],T=n[7],e[4]=b*r+x*s+_*d+T*m,e[5]=b*o+x*l+_*p+T*g,e[6]=b*i+x*u+_*f+T*v,e[7]=b*a+x*c+_*h+T*y,b=n[8],x=n[9],_=n[10],T=n[11],e[8]=b*r+x*s+_*d+T*m,e[9]=b*o+x*l+_*p+T*g,e[10]=b*i+x*u+_*f+T*v,e[11]=b*a+x*c+_*h+T*y,b=n[12],x=n[13],_=n[14],T=n[15],e[12]=b*r+x*s+_*d+T*m,e[13]=b*o+x*l+_*p+T*g,e[14]=b*i+x*u+_*f+T*v,e[15]=b*a+x*c+_*h+T*y,e}function b(e,t,n){var r,o,i,a,s,l,u,c,d,p,f,h,m=n[0],g=n[1],v=n[2];return t===e?(e[12]=t[0]*m+t[4]*g+t[8]*v+t[12],e[13]=t[1]*m+t[5]*g+t[9]*v+t[13],e[14]=t[2]*m+t[6]*g+t[10]*v+t[14],e[15]=t[3]*m+t[7]*g+t[11]*v+t[15]):(r=t[0],o=t[1],i=t[2],a=t[3],s=t[4],l=t[5],u=t[6],c=t[7],d=t[8],p=t[9],f=t[10],h=t[11],e[0]=r,e[1]=o,e[2]=i,e[3]=a,e[4]=s,e[5]=l,e[6]=u,e[7]=c,e[8]=d,e[9]=p,e[10]=f,e[11]=h,e[12]=r*m+s*g+d*v+t[12],e[13]=o*m+l*g+p*v+t[13],e[14]=i*m+u*g+f*v+t[14],e[15]=a*m+c*g+h*v+t[15]),e}function x(e,t,n){var r=n[0],o=n[1],i=n[2];return e[0]=t[0]*r,e[1]=t[1]*r,e[2]=t[2]*r,e[3]=t[3]*r,e[4]=t[4]*o,e[5]=t[5]*o,e[6]=t[6]*o,e[7]=t[7]*o,e[8]=t[8]*i,e[9]=t[9]*i,e[10]=t[10]*i,e[11]=t[11]*i,e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15],e}function _(e,t,n,r){var i,a,s,l,u,c,d,p,f,h,m,g,v,y,b,x,_,T,S,w,C,A,E,D,I=r[0],O=r[1],P=r[2],N=Math.hypot(I,O,P);return N0?(n[0]=2*(l*s+d*r+u*a-c*o)/p,n[1]=2*(u*s+d*o+c*r-l*a)/p,n[2]=2*(c*s+d*a+l*o-u*r)/p):(n[0]=2*(l*s+d*r+u*a-c*o),n[1]=2*(u*s+d*o+c*r-l*a),n[2]=2*(c*s+d*a+l*o-u*r)),P(e,t,n),e}function M(e,t){return e[0]=t[12],e[1]=t[13],e[2]=t[14],e}function R(e,t){var n=t[0],r=t[1],o=t[2],i=t[4],a=t[5],s=t[6],l=t[8],u=t[9],c=t[10];return e[0]=Math.hypot(n,r,o),e[1]=Math.hypot(i,a,s),e[2]=Math.hypot(l,u,c),e}function F(e,t){var n=new i(3);R(n,t);var r=1/n[0],o=1/n[1],a=1/n[2],s=t[0]*r,l=t[1]*o,u=t[2]*a,c=t[4]*r,d=t[5]*o,p=t[6]*a,f=t[8]*r,h=t[9]*o,m=t[10]*a,g=s+d+m,v=0;return g>0?(v=2*Math.sqrt(g+1),e[3]=.25*v,e[0]=(p-h)/v,e[1]=(f-u)/v,e[2]=(l-c)/v):s>d&&s>m?(v=2*Math.sqrt(1+s-d-m),e[3]=(p-h)/v,e[0]=.25*v,e[1]=(l+c)/v,e[2]=(f+u)/v):d>m?(v=2*Math.sqrt(1+d-s-m),e[3]=(f-u)/v,e[0]=(l+c)/v,e[1]=.25*v,e[2]=(p+h)/v):(v=2*Math.sqrt(1+m-s-d),e[3]=(l-c)/v,e[0]=(f+u)/v,e[1]=(p+h)/v,e[2]=.25*v),e}function k(e,t,n,r){var o=t[0],i=t[1],a=t[2],s=t[3],l=o+o,u=i+i,c=a+a,d=o*l,p=o*u,f=o*c,h=i*u,m=i*c,g=a*c,v=s*l,y=s*u,b=s*c,x=r[0],_=r[1],T=r[2];return e[0]=(1-(h+g))*x,e[1]=(p+b)*x,e[2]=(f-y)*x,e[3]=0,e[4]=(p-b)*_,e[5]=(1-(d+g))*_,e[6]=(m+v)*_,e[7]=0,e[8]=(f+y)*T,e[9]=(m-v)*T,e[10]=(1-(d+h))*T,e[11]=0,e[12]=n[0],e[13]=n[1],e[14]=n[2],e[15]=1,e}function L(e,t,n,r,o){var i=t[0],a=t[1],s=t[2],l=t[3],u=i+i,c=a+a,d=s+s,p=i*u,f=i*c,h=i*d,m=a*c,g=a*d,v=s*d,y=l*u,b=l*c,x=l*d,_=r[0],T=r[1],S=r[2],w=o[0],C=o[1],A=o[2],E=(1-(m+v))*_,D=(f+x)*_,I=(h-b)*_,O=(f-x)*T,P=(1-(p+v))*T,N=(g+y)*T,M=(h+b)*S,R=(g-y)*S,F=(1-(p+m))*S;return e[0]=E,e[1]=D,e[2]=I,e[3]=0,e[4]=O,e[5]=P,e[6]=N,e[7]=0,e[8]=M,e[9]=R,e[10]=F,e[11]=0,e[12]=n[0]+w-(E*w+O*C+M*A),e[13]=n[1]+C-(D*w+P*C+R*A),e[14]=n[2]+A-(I*w+N*C+F*A),e[15]=1,e}function B(e,t){var n=t[0],r=t[1],o=t[2],i=t[3],a=n+n,s=r+r,l=o+o,u=n*a,c=r*a,d=r*s,p=o*a,f=o*s,h=o*l,m=i*a,g=i*s,v=i*l;return e[0]=1-d-h,e[1]=c+v,e[2]=p-g,e[3]=0,e[4]=c-v,e[5]=1-u-h,e[6]=f+m,e[7]=0,e[8]=p+g,e[9]=f-m,e[10]=1-u-d,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e}function V(e,t,n,r,o,i,a){var s=1/(n-t),l=1/(o-r),u=1/(i-a);return e[0]=2*i*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=2*i*l,e[6]=0,e[7]=0,e[8]=(n+t)*s,e[9]=(o+r)*l,e[10]=(a+i)*u,e[11]=-1,e[12]=0,e[13]=0,e[14]=a*i*2*u,e[15]=0,e}function U(e,t,n,r,o){var i,a=1/Math.tan(t/2);return e[0]=a/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=a,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(i=1/(r-o),e[10]=(o+r)*i,e[14]=2*o*r*i):(e[10]=-1,e[14]=-2*r),e}Math.hypot||(Math.hypot=function(){for(var e=0,t=arguments.length;t--;)e+=arguments[t]*arguments[t];return Math.sqrt(e)});var G=U;function z(e,t,n,r,o){var i,a=1/Math.tan(t/2);return e[0]=a/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=a,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(i=1/(r-o),e[10]=o*i,e[14]=o*r*i):(e[10]=-1,e[14]=-r),e}function j(e,t,n,r){var o=Math.tan(t.upDegrees*Math.PI/180),i=Math.tan(t.downDegrees*Math.PI/180),a=Math.tan(t.leftDegrees*Math.PI/180),s=Math.tan(t.rightDegrees*Math.PI/180),l=2/(a+s),u=2/(o+i);return e[0]=l,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=u,e[6]=0,e[7]=0,e[8]=-(a-s)*l*.5,e[9]=(o-i)*u*.5,e[10]=r/(n-r),e[11]=-1,e[12]=0,e[13]=0,e[14]=r*n/(n-r),e[15]=0,e}function W(e,t,n,r,o,i,a){var s=1/(t-n),l=1/(r-o),u=1/(i-a);return e[0]=-2*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*l,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=2*u,e[11]=0,e[12]=(t+n)*s,e[13]=(o+r)*l,e[14]=(a+i)*u,e[15]=1,e}var H=W;function X(e,t,n,r,o,i,a){var s=1/(t-n),l=1/(r-o),u=1/(i-a);return e[0]=-2*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*l,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=u,e[11]=0,e[12]=(t+n)*s,e[13]=(o+r)*l,e[14]=i*u,e[15]=1,e}function K(e,t,n,r){var i,a,s,l,u,c,d,p,h,m,g=t[0],v=t[1],y=t[2],b=r[0],x=r[1],_=r[2],T=n[0],S=n[1],w=n[2];return Math.abs(g-T)0&&(c*=f=1/Math.sqrt(f),d*=f,p*=f);var h=l*p-u*d,m=u*c-s*p,g=s*d-l*c;return(f=h*h+m*m+g*g)>0&&(h*=f=1/Math.sqrt(f),m*=f,g*=f),e[0]=h,e[1]=m,e[2]=g,e[3]=0,e[4]=d*g-p*m,e[5]=p*h-c*g,e[6]=c*m-d*h,e[7]=0,e[8]=c,e[9]=d,e[10]=p,e[11]=0,e[12]=o,e[13]=i,e[14]=a,e[15]=1,e}function 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Ai(e,t){t.classHierarchy.push("vtkPlane"),e.distanceToPlane=e=>bi(e,t.origin,t.normal),e.projectPoint=(e,n)=>{xi(e,t.origin,t.normal,n)},e.projectVector=(e,n)=>_i(e,t.normal,n),e.push=e=>{if(0!==e)for(let n=0;n<3;n++)t.origin[n]+=e*t.normal[n]},e.generalizedProjectPoint=(e,n)=>{Ti(e,t.origin,t.normal,n)},e.evaluateFunction=(e,n,r)=>Array.isArray(e)?t.normal[0]*(e[0]-t.origin[0])+t.normal[1]*(e[1]-t.origin[1])+t.normal[2]*(e[2]-t.origin[2]):t.normal[0]*(e-t.origin[0])+t.normal[1]*(n-t.origin[1])+t.normal[2]*(r-t.origin[2]),e.evaluateGradient=e=>[t.normal[0],t.normal[1],t.normal[2]],e.intersectWithLine=(e,n)=>Si(e,n,t.origin,t.normal),e.intersectWithPlane=(e,n)=>wi(e,n,t.origin,t.normal)}const Ei={normal:[0,0,1],origin:[0,0,0]};function Di(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ei,n),gt.obj(e,t),gt.setGetArray(e,t,["normal","origin"],3),Ai(e,t)}var Ii={newInstance:gt.newInstance(Di,"vtkPlane"),extend:Di,...Ci};function Oi(e,t,n,r){const o=n[0]-t[0],i=n[1]-t[1],a=n[2]-t[2],s=e[0]-t[0],l=e[1]-t[1],u=e[2]-t[2];r[0]=i*u-a*l,r[1]=a*s-o*u,r[2]=o*l-i*s}function Pi(e,t,n,r){Oi(e,t,n,r);const o=Math.sqrt(r[0]*r[0]+r[1]*r[1]+r[2]*r[2]);0!==o&&(r[0]/=o,r[1]/=o,r[2]/=o)}const Ni={computeNormalDirection:Oi,computeNormal:Pi,intersectWithTriangle:function(e,t,n,r,o,i){let a=arguments.length>6&&void 0!==arguments[6]?arguments[6]:1e-6,s=!1;const l=[],u=[],c=[],d=[],p=[];Pi(e,t,n,d),Pi(r,o,i,p);const f=-Ln(d,e),h=-Ln(p,r),m=[Ln(p,e)+h,Ln(p,t)+h,Ln(p,n)+h];if(m[0]*m[1]>a&&m[0]*m[2]>a)return{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};const g=[Ln(d,r)+f,Ln(d,o)+f,Ln(d,i)+f];if(g[0]*g[1]>a&&g[0]*g[2]>a)return{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};if(Math.abs(d[0]-p[0])<1e-9&&Math.abs(d[1]-p[1])<1e-9&&Math.abs(d[2]-p[2])<1e-9&&Math.abs(f-h)<1e-9)return s=!0,{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};const 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pa(e,t){t.classHierarchy.push("vtkOpenGLCellArrayBufferObject"),e.setType(ta.ARRAY_BUFFER),e.createVBO=function(n,r,o,i){let a=arguments.length>4&&void 0!==arguments[4]?arguments[4]:null;if(!n.getData()||!n.getData().length)return t.elementCount=0,0;t.blockSize=3,t.vertexOffset=0,t.normalOffset=0,t.tCoordOffset=0,t.tCoordComponents=0,t.colorComponents=0,t.colorOffset=0,t.customData=[];const s=i.points.getData();let l=null,u=null,c=null;const 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R=i.vertexOffset;f=function(e){if(a&&(a.points[R]=e,a.cells[R]=b+i.cellOffset),++R,h=3*e,t.coordShiftAndScaleEnabled?(D[I++]=(s[h++]-t.coordShift[0])*t.coordScale[0],D[I++]=(s[h++]-t.coordShift[1])*t.coordScale[1],D[I++]=(s[h++]-t.coordShift[2])*t.coordScale[2]):(D[I++]=s[h++],D[I++]=s[h++],D[I++]=s[h++]),null!==l&&(m=i.haveCellNormals?3*(b+i.cellOffset):3*e,D[I++]=l[m++],D[I++]=l[m++],D[I++]=l[m++]),t.customData.forEach((t=>{y=e*t.components;for(let e=0;e{null===e||e.constructor===Float64Array&&3===e.length?null===n||n.constructor===Float64Array&&3===n.length?(null!==t.coordShift&&null!==e&&en(e,t.coordShift)||(t.coordShift=e),null!==t.coordScale&&null!==n&&en(n,t.coordScale)||(t.coordScale=n),t.coordShiftAndScaleEnabled=function(e,t){return null!==e&&null!==t&&!(Zt(e,[0,0,0])&&Zt(t,[1,1,1]))}(t.coordShift,t.coordScale),t.coordShiftAndScaleEnabled?t.inverseShiftAndScaleMatrix=function(e,t){const n=new Float64Array(3);Xt(n,t);const r=new Float64Array(16);return 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va(e,t){t.classHierarchy.push("vtkShader"),e.compile=()=>{let e=t.context.VERTEX_SHADER;if(!t.source||!t.source.length||"Unknown"===t.shaderType)return!1;if(0!==t.handle&&(t.context.deleteShader(t.handle),t.handle=0),e="Fragment"===t.shaderType?t.context.FRAGMENT_SHADER:t.context.VERTEX_SHADER,t.handle=t.context.createShader(e),t.context.shaderSource(t.handle,t.source),t.context.compileShader(t.handle),!t.context.getShaderParameter(t.handle,t.context.COMPILE_STATUS)){const e=t.context.getShaderInfoLog(t.handle);return ga(`Error compiling shader '${t.source}': ${e}`),t.context.deleteShader(t.handle),t.handle=0,!1}return!0},e.cleanup=()=>{"Unknown"!==t.shaderType&&0!==t.handle&&(t.context.deleteShader(t.handle),t.handle=0,t.dirty=!0)}}const ya={shaderType:"Unknown",source:"",error:"",handle:0,dirty:!1,context:null};function ba(e,t){let n=arguments.length>2&&void 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No such uniform.`,!1;for(var o=arguments.length,i=new Array(o>1?o-1:0),a=1;a{const o=e.findUniform(n);return-1===o?(t.error=`Could not set uniform ${n} . No such uniform.`,!1):(t.context.uniform4fv(o,r),!0)},e.setUniform4i=function(n){const r=e.findUniform(n);if(-1===r)return t.error=`Could not set uniform ${n} . No such uniform.`,!1;for(var o=arguments.length,i=new Array(o>1?o-1:0),a=1;a{const o=e.findUniform(n);return-1===o?(t.error=`Could not set uniform ${n} . 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program.",!1):(t.context.detachShader(t.handle,e.getHandle()),t.vertexShaderHandle=0,t.linked=!1,!0);case"Fragment":return t.fragmentShaderHandle!==e.getHandle()?(t.error="The supplied shader was not attached to this program.",!1):(t.context.detachShader(t.handle,e.getHandle()),t.fragmentShaderHandle=0,t.linked=!1,!0);default:return!1}},e.setContext=e=>{t.context=e,t.vertexShader.setContext(e),t.fragmentShader.setContext(e),t.geometryShader.setContext(e)},e.setLastCameraMTime=e=>{t.lastCameraMTime=e}}const Sa={vertexShaderHandle:0,fragmentShaderHandle:0,geometryShaderHandle:0,vertexShader:null,fragmentShader:null,geometryShader:null,linked:!1,bound:!1,compiled:!1,error:"",handle:0,numberOfOutputs:0,attributesLocs:null,uniformLocs:null,md5Hash:0,context:null,lastCameraMTime:null};function wa(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Sa,n),t.attributesLocs={},t.uniformLocs={},t.vertexShader=xa.newInstance(),t.vertexShader.setShaderType("Vertex"),t.fragmentShader=xa.newInstance(),t.fragmentShader.setShaderType("Fragment"),t.geometryShader=xa.newInstance(),t.geometryShader.setShaderType("Geometry"),gt.obj(e,t),gt.get(e,t,["lastCameraMTime"]),gt.setGet(e,t,["error","handle","compiled","bound","md5Hash","vertexShader","fragmentShader","geometryShader","linked"]),Ta(e,t)}var Ca={newInstance:gt.newInstance(wa,"vtkShaderProgram"),extend:wa,substitute:function(e,t,n,r){const o="string"==typeof n?n:n.join("\n"),i=!1===r?t:new RegExp(t,"g"),a=e.replace(i,o);return{replace:a!==o,result:a}}};function Aa(e,t){t.classHierarchy.push("vtkOpenGLVertexArrayObject"),e.exposedMethod=()=>{},e.initialize=()=>{t.instancingExtension=null,t._openGLRenderWindow.getWebgl2()||(t.instancingExtension=t.context.getExtension("ANGLE_instanced_arrays")),!t.forceEmulation&&t._openGLRenderWindow&&t._openGLRenderWindow.getWebgl2()?(t.extension=null,t.supported=!0,t.handleVAO=t.context.createVertexArray()):(t.extension=t.context.getExtension("OES_vertex_array_object"),!t.forceEmulation&&t.extension?(t.supported=!0,t.handleVAO=t.extension.createVertexArrayOES()):t.supported=!1)},e.isReady=()=>0!==t.handleVAO||!1===t.supported,e.bind=()=>{if(e.isReady()||e.initialize(),e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(t.handleVAO):t.context.bindVertexArray(t.handleVAO);else if(e.isReady()){const e=t.context;for(let n=0;n0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,1):e.vertexAttribDivisor(o.index+n,1))}}}},e.release=()=>{if(e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(null):t.context.bindVertexArray(null);else if(e.isReady()){const e=t.context;for(let n=0;n0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,0):e.vertexAttribDivisor(o.index+n,0)),e.disableVertexAttribArray(o.index+n)}}}},e.shaderProgramChanged=()=>{e.release(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.handleProgram=0},e.releaseGraphicsResources=()=>{e.shaderProgramChanged(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.supported=!0,t.handleProgram=0},e.addAttributeArray=(t,n,r,o,i,a,s,l)=>e.addAttributeArrayWithDivisor(t,n,r,o,i,a,s,l,0,!1),e.addAttributeArrayWithDivisor=(n,r,o,i,a,s,l,u,c,d)=>{if(!n)return!1;if(!n.isBound()||0===r.getHandle()||r.getType()!==ta.ARRAY_BUFFER)return!1;if(0===t.handleProgram&&(t.handleProgram=n.getHandle()),e.isReady()||e.initialize(),!e.isReady()||t.handleProgram!==n.getHandle())return!1;const p=t.context,f={};if(f.name=o,f.index=p.getAttribLocation(t.handleProgram,o),f.offset=i,f.stride=a,f.type=s,f.size=l,f.normalize=u,f.isMatrix=d,f.divisor=c,-1===f.Index)return!1;if(r.bind(),p.enableVertexAttribArray(f.index),p.vertexAttribPointer(f.index,f.size,f.type,f.normalize,f.stride,f.offset),c>0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f.index,1):p.vertexAttribDivisor(f.index,1)),f.buffer=r.getHandle(),!t.supported){let e=!1;for(let n=0;n{const d=e.addAttributeArrayWithDivisor(n,r,o,i,a,s,l,u,c,!0);if(!d)return d;const p=t.context,f=p.getAttribLocation(t.handleProgram,o);for(let e=1;e0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f+e,1):p.vertexAttribDivisor(f+e,1));return!0},e.removeAttributeArray=n=>{if(!e.isReady()||0===t.handleProgram)return!1;if(!t.supported)for(let e=0;e{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))}}const Ea={forceEmulation:!1,handleVAO:0,handleProgram:0,supported:!0,buffers:null,context:null};function Da(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ea,n),t.buffers=[],gt.obj(e,t),gt.get(e,t,["supported"]),gt.setGet(e,t,["forceEmulation"]),Aa(e,t)}var Ia={newInstance:gt.newInstance(Da,"vtkOpenGLVertexArrayObject"),extend:Da};const Oa={Start:0,Points:0,Lines:1,Tris:2,TriStrips:3,TrisEdges:4,TriStripsEdges:5,End:6};function Pa(e,t){t.classHierarchy.push("vtkOpenGLHelper"),e.setOpenGLRenderWindow=e=>{t.context=e.getContext(),t.program.setContext(t.context),t.VAO.setOpenGLRenderWindow(e),t.CABO.setOpenGLRenderWindow(e)},e.releaseGraphicsResources=e=>{t.VAO.releaseGraphicsResources(),t.CABO.releaseGraphicsResources(),t.CABO.setElementCount(0)},e.drawArrays=(n,r,o,i)=>{if(t.CABO.getElementCount()){const a=e.getOpenGLMode(o),s=e.haveWideLines(n,r),l=t.context,u=l.getParameter(l.DEPTH_WRITEMASK);t.pointPicking&&l.depthMask(!1),a===l.LINES&&s?(e.updateShaders(n,r,i),l.drawArraysInstanced(a,0,t.CABO.getElementCount(),2*Math.ceil(r.getProperty().getLineWidth()))):(l.lineWidth(r.getProperty().getLineWidth()),e.updateShaders(n,r,i),l.drawArrays(a,0,t.CABO.getElementCount()),l.lineWidth(1));const c=(a===l.POINTS?1:0)||(a===l.LINES?2:3);return t.pointPicking&&l.depthMask(u),t.CABO.getElementCount()/c}return 0},e.getOpenGLMode=e=>{if(t.pointPicking)return t.context.POINTS;const n=t.primitiveType;return e===ua.POINTS||n===Oa.Points?t.context.POINTS:e===ua.WIREFRAME||n===Oa.Lines||n===Oa.TrisEdges||n===Oa.TriStripsEdges?t.context.LINES:t.context.TRIANGLES},e.haveWideLines=(e,n)=>n.getProperty().getLineWidth()>1&&!(t.CABO.getOpenGLRenderWindow()&&t.CABO.getOpenGLRenderWindow().getHardwareMaximumLineWidth()>=n.getProperty().getLineWidth()),e.getNeedToRebuildShaders=(t,n,r)=>!!(r.getNeedToRebuildShaders(e,t,n)||0===e.getProgram()||e.getShaderSourceTime().getMTime(){if(e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};o.buildShaders(i,n,r);const a=t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==e.getProgram()&&(e.setProgram(a),e.getVAO().releaseGraphicsResources()),e.getShaderSourceTime().modified()}else t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgram(e.getProgram());e.getVAO().bind(),o.setMapperShaderParameters(e,n,r),o.setPropertyShaderParameters(e,n,r),o.setCameraShaderParameters(e,n,r),o.setLightingShaderParameters(e,n,r),o.invokeShaderCallbacks(e,n,r)},e.setMapperShaderParameters=(n,r,o)=>{if(e.haveWideLines(n,r)){e.getProgram().setUniform2f("viewportSize",o.usize,o.vsize);const t=parseFloat(r.getProperty().getLineWidth()),n=t/2;e.getProgram().setUniformf("lineWidthStepSize",t/Math.ceil(t)),e.getProgram().setUniformf("halfLineWidth",n)}t.primitiveType===Oa.Points||r.getProperty().getRepresentation()===ua.POINTS?e.getProgram().setUniformf("pointSize",r.getProperty().getPointSize()):t.pointPicking&&e.getProgram().setUniformf("pointSize",e.getPointPickingPrimitiveSize())},e.replaceShaderPositionVC=(n,r,o)=>{let i=n.Vertex;i=Ca.substitute(i,"//VTK::PositionVC::Dec",["//VTK::PositionVC::Dec","uniform float 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}"]).result),n.Vertex=i},e.getPointPickingPrimitiveSize=()=>t.primitiveType===Oa.Points?2:t.primitiveType===Oa.Lines?4:6,e.getAllocatedGPUMemoryInBytes=()=>e.getCABO().getAllocatedGPUMemoryInBytes()}const Na={context:null,program:null,shaderSourceTime:null,VAO:null,attributeUpdateTime:null,CABO:null,primitiveType:0,pointPicking:!1};function Ma(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Na,n),gt.obj(e,t),t.shaderSourceTime={},gt.obj(t.shaderSourceTime),t.attributeUpdateTime={},gt.obj(t.attributeUpdateTime),gt.setGet(e,t,["program","shaderSourceTime","VAO","attributeUpdateTime","CABO","primitiveType","pointPicking"]),t.program=Ca.newInstance(),t.VAO=Ia.newInstance(),t.CABO=ma.newInstance(),Pa(e,t)}var Ra={newInstance:gt.newInstance(Ma),extend:Ma,primTypes:Oa};const Fa=e=>e,ka=1e-6;class La{constructor(){let e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this.matrix=f(new Float64Array(16)),this.tmp=new 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Ka(e,t){t.classHierarchy.push("vtkImageDataOutlineFilter");const n={...e};e.requestData=(e,n)=>{const r=e[0];if(!r||!r.isA("vtkImageData"))return void Xa("Invalid or missing input");const o=r.getSpatialExtent();o?(t._cubeSource.setBounds(o),t._cubeSource.setMatrix(r.getIndexToWorld()),n[0]=t._cubeSource.getOutputData()):Xa("Unable to fetch spatial extents of input image.")},e.getMTime=()=>Math.max(n.getMTime(),t._cubeSource.getMTime()),e.setGenerateFaces=t._cubeSource.setGenerateFaces,e.setGenerateLines=t._cubeSource.setGenerateLines,e.getGenerateFaces=t._cubeSource.getGenerateFaces,e.getGenerateLines=t._cubeSource.getGenerateLines}const qa={};function $a(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,qa,n),gt.obj(e,t),gt.algo(e,t,1,1),t._cubeSource=Ha.newInstance(),gt.moveToProtected(e,t,["cubeSource","tmpOut"]),Ka(e,t)}var Ya={newInstance:gt.newInstance($a,"vtkImageDataOutlineFilter"),extend:$a};const Ja={CLAMP_TO_EDGE:0,REPEAT:1,MIRRORED_REPEAT:2},Qa={NEAREST:0,LINEAR:1,NEAREST_MIPMAP_NEAREST:2,NEAREST_MIPMAP_LINEAR:3,LINEAR_MIPMAP_NEAREST:4,LINEAR_MIPMAP_LINEAR:5};var Za={Wrap:Ja,Filter:Qa};const es=new Float32Array(1),ts=new Int32Array(es.buffer);var ns={fromHalf:function(e){const t=(32768&e)>>15,n=(31744&e)>>10,r=1023&e;return 0===n?(t?-1:1)*2**-14*(r/1024):31===n?r?NaN:1/0*(t?-1:1):(t?-1:1)*2**(n-15)*(1+r/1024)},toHalf:function(e){es[0]=e;const t=ts[0];let n=t>>16&32768,r=t>>12&2047;const o=t>>23&255;return o<103?n:o>142?(n|=31744,n|=(255===o?0:1)&&8388607&t,n):o<113?(r|=2048,n|=(r>>114-o)+(r>>113-o&1),n):(n|=o-112<<10|r>>1,n+=1&r,n)}};const{Wrap:rs,Filter:os}=Za,{VtkDataTypes:is}=Wr,{vtkDebugMacro:as,vtkErrorMacro:ss,vtkWarningMacro:ls}=vt,{toHalf:us}=ns;function cs(e,t){function n(e,n){let r=arguments.length>2&&void 0!==arguments[2]&&arguments[2];const o=[];let i=t.width*t.height*t.components;if(r&&(i*=t.depth),e!==is.FLOAT&&t.openGLDataType===t.context.FLOAT)for(let 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e=!1;if(t.context&&t.handle){let n=0;t.target===t.context.TEXTURE_2D?n=t.context.TEXTURE_BINDING_2D:ls("impossible case"),e=t.context.getIntegerv(n)===t.handle}return e},e.sendParameters=()=>{t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_S,e.getOpenGLWrapMode(t.wrapS)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_T,e.getOpenGLWrapMode(t.wrapT)),t._openGLRenderWindow.getWebgl2()&&t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_R,e.getOpenGLWrapMode(t.wrapR)),t.context.texParameteri(t.target,t.context.TEXTURE_MIN_FILTER,e.getOpenGLFilterMode(t.minificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_MAG_FILTER,e.getOpenGLFilterMode(t.magnificationFilter)),t._openGLRenderWindow.getWebgl2()&&(t.context.texParameteri(t.target,t.context.TEXTURE_BASE_LEVEL,t.baseLevel),t.context.texParameteri(t.target,t.context.TEXTURE_MAX_LEVEL,t.maxLevel)),t.sendParametersTime.modified()},e.getInternalFormat=(n,r)=>(t._forceInternalFormat||(t.internalFormat=e.getDefaultInternalFormat(n,r)),t.internalFormat||as(`Unable to find suitable internal format for T=${n} NC= ${r}`),t.internalFormat),e.getDefaultInternalFormat=(e,n)=>{let r=0;return r=t._openGLRenderWindow.getDefaultTextureInternalFormat(e,n,t.oglNorm16Ext,t.useHalfFloat),r||(r||(as("Unsupported internal texture type!"),as(`Unable to find suitable internal format for T=${e} NC= ${n}`)),r)},e.setInternalFormat=n=>{t._forceInternalFormat=!0,n!==t.internalFormat&&(t.internalFormat=n,e.modified())},e.getFormat=(n,r)=>(t.format=e.getDefaultFormat(n,r),t.format),e.getDefaultFormat=(e,n)=>{if(t._openGLRenderWindow.getWebgl2())switch(n){case 1:return t.context.RED;case 2:return t.context.RG;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}else switch(n){case 1:return t.context.LUMINANCE;case 2:return t.context.LUMINANCE_ALPHA;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}},e.resetFormatAndType=()=>{t.format=0,t.internalFormat=0,t._forceInternalFormat=!1,t.openGLDataType=0},e.getDefaultDataType=e=>{if(t._openGLRenderWindow.getWebgl2())switch(e){case is.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case t.oglNorm16Ext&&!t.useHalfFloat&&is.SHORT:return t.context.SHORT;case t.oglNorm16Ext&&!t.useHalfFloat&&is.UNSIGNED_SHORT:return t.context.UNSIGNED_SHORT;case t.useHalfFloat&&is.SHORT:case t.useHalfFloat&&is.UNSIGNED_SHORT:return t.context.HALF_FLOAT;case is.FLOAT:case is.VOID:default:return t.context.FLOAT}switch(e){case is.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case is.FLOAT:case is.VOID:default:if(t.context.getExtension("OES_texture_float")&&t.context.getExtension("OES_texture_float_linear"))return t.context.FLOAT;{const e=t.context.getExtension("OES_texture_half_float");if(e&&t.context.getExtension("OES_texture_half_float_linear"))return e.HALF_FLOAT_OES}return t.context.UNSIGNED_BYTE}},e.getOpenGLDataType=function(n){let r=arguments.length>1&&void 0!==arguments[1]&&arguments[1];return t.openGLDataType&&!r||(t.openGLDataType=e.getDefaultDataType(n)),t.openGLDataType},e.getShiftAndScale=()=>{let e=0,n=1;switch(t.openGLDataType){case t.context.BYTE:n=127.5,e=n-128;break;case t.context.UNSIGNED_BYTE:n=255,e=0;break;case t.context.SHORT:n=32767.5,e=n-32768;break;case t.context.UNSIGNED_SHORT:n=65536,e=0;break;case t.context.INT:n=2147483647.5,e=n-2147483648;break;case t.context.UNSIGNED_INT:n=4294967295,e=0;case t.context.FLOAT:}return{shift:e,scale:n}},e.getOpenGLFilterMode=e=>{switch(e){case os.NEAREST:return t.context.NEAREST;case os.LINEAR:return t.context.LINEAR;case os.NEAREST_MIPMAP_NEAREST:return t.context.NEAREST_MIPMAP_NEAREST;case os.NEAREST_MIPMAP_LINEAR:return t.context.NEAREST_MIPMAP_LINEAR;case os.LINEAR_MIPMAP_NEAREST:return t.context.LINEAR_MIPMAP_NEAREST;case os.LINEAR_MIPMAP_LINEAR:return t.context.LINEAR_MIPMAP_LINEAR;default:return t.context.NEAREST}},e.getOpenGLWrapMode=e=>{switch(e){case rs.CLAMP_TO_EDGE:return t.context.CLAMP_TO_EDGE;case rs.REPEAT:return t.context.REPEAT;case rs.MIRRORED_REPEAT:return t.context.MIRRORED_REPEAT;default:return t.context.CLAMP_TO_EDGE}},e.create2DFromRaw=function(i,a,s,l,u){let c=arguments.length>5&&void 0!==arguments[5]&&arguments[5];if(e.getOpenGLDataType(l,!0),e.getInternalFormat(l,s),e.getFormat(l,s),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=s,t.width=i,t.height=a,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=[u],p=n(l,d),f=r(p);return t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,c),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(l)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=f[0]&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,f[0])):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,f[0]),t.generateMipmap&&t.context.generateMipmap(t.target),c&&t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,!1),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*s*t._openGLRenderWindow.getDefaultTextureByteSize(l,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.createCubeFromRaw=(i,a,s,l,u)=>{if(e.getOpenGLDataType(l),e.getInternalFormat(l,s),e.getFormat(l,s),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_CUBE_MAP,t.components=s,t.width=i,t.height=a,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),t.maxLevel=u.length/6-1,e.createTexture(),e.bind();const c=r(n(l,u)),d=[];let p=t.width,f=t.height;for(let e=0;e=1&&i>=1;){let a=null;n<=t.maxLevel&&(a=d[6*n+e]),o(l)?null!=a&&t.context.texSubImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,0,0,r,i,t.format,t.openGLDataType,a):t.context.texImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,t.internalFormat,r,i,0,t.format,t.openGLDataType,a),n++,r/=2,i/=2}}return t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*s*t._openGLRenderWindow.getDefaultTextureByteSize(l,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.createDepthFromRaw=(n,r,i,a)=>(e.getOpenGLDataType(i),t.format=t.context.DEPTH_COMPONENT,t._openGLRenderWindow.getWebgl2()?i===is.FLOAT?t.internalFormat=t.context.DEPTH_COMPONENT32F:t.internalFormat=t.context.DEPTH_COMPONENT16:t.internalFormat=t.context.DEPTH_COMPONENT,t.internalFormat&&t.format&&t.openGLDataType?(t.target=t.context.TEXTURE_2D,t.components=1,t.width=n,t.height=r,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(i)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=a&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,a)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,a),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(i,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0):(ss("Failed to determine texture parameters."),!1)),e.create2DFromImage=n=>{if(e.getOpenGLDataType(is.UNSIGNED_CHAR),e.getInternalFormat(is.UNSIGNED_CHAR,4),e.getFormat(is.UNSIGNED_CHAR,4),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=4,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1);const r=!(t._openGLRenderWindow.getWebgl2()||On(n.width)&&On(n.height)),i=document.createElement("canvas");i.width=r?In(n.width):n.width,i.height=r?In(n.height):n.height,t.width=i.width,t.height=i.height;const a=i.getContext("2d");a.translate(0,i.height),a.scale(1,-1),a.drawImage(n,0,0,n.width,n.height,0,0,i.width,i.height);const s=i;return o(is.UNSIGNED_CHAR)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=s&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,s)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,s),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(is.UNSIGNED_CHAR,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.create2DFilterableFromRaw=function(t,n,r,o,i){let a=arguments.length>5&&void 0!==arguments[5]&&arguments[5];return e.create2DFilterableFromDataArray(t,n,Wr.newInstance({numberOfComponents:r,dataType:o,values:i}),a)},e.create2DFilterableFromDataArray=function(t,n,r){let o=arguments.length>3&&void 0!==arguments[3]&&arguments[3];const{numComps:a,dataType:s,data:l}=i(r,o);e.create2DFromRaw(t,n,a,s,l)},e.create3DFromRaw=(i,a,s,l,u,c)=>{if(e.getOpenGLDataType(u),e.getInternalFormat(u,l),e.getFormat(u,l),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_3D,t.components=l,t.width=i,t.height=a,t.depth=s,t.numberOfDimensions=3,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=r(n(u,[c],!0));return 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I=Math.floor(n/x),O=Math.floor(r/_);for(let e=0;e{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.getMaximumTextureSize=e=>e&&e.isCurrent()?e.getIntegerv(e.MAX_TEXTURE_SIZE):-1}const ds={_openGLRenderWindow:null,_forceInternalFormat:!1,context:null,handle:0,sendParametersTime:null,textureBuildTime:null,numberOfDimensions:0,target:0,format:0,openGLDataType:0,components:0,width:0,height:0,depth:0,autoParameters:!0,wrapS:rs.CLAMP_TO_EDGE,wrapT:rs.CLAMP_TO_EDGE,wrapR:rs.CLAMP_TO_EDGE,minificationFilter:os.NEAREST,magnificationFilter:os.NEAREST,minLOD:-1e3,maxLOD:1e3,baseLevel:0,maxLevel:1e3,generateMipmap:!1,useHalfFloat:!0,oglNorm16Ext:null,allocatedGPUMemoryInBytes:0};function ps(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ds,n),Tt.extend(e,t,n),t.sendParametersTime={},je(t.sendParametersTime,{mtime:0}),t.textureBuildTime={},je(t.textureBuildTime,{mtime:0}),qe(e,t,["format","openGLDataType"]),$e(e,t,["keyMatrixTime","minificationFilter","magnificationFilter","wrapS","wrapT","wrapR","generateMipmap","oglNorm16Ext"]),He(e,t,["width","height","volumeInfo","components","handle","target","allocatedGPUMemoryInBytes"]),Ze(0,t,["openGLRenderWindow"]),cs(e,t)}const fs=rt(ps,"vtkOpenGLTexture");var hs={newInstance:fs,extend:ps,...Za};Dt("vtkTexture",fs);var ms=function(e,t){e.replaceShaderCoincidentOffset=(n,r,o)=>{const i=e.getCoincidentParameters(r,o);if(i&&(0!==i.factor||0!==i.offset)){let e=n.Fragment;e=Ca.substitute(e,"//VTK::Coincident::Dec",["uniform float cfactor;","uniform float coffset;"]).result,t.context.getExtension("EXT_frag_depth")&&(0!==i.factor?(e=Ca.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + 0.000016*coffset;").result),t._openGLRenderWindow.getWebgl2()&&(0!==i.factor?(e=Ca.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + 0.000016*coffset;").result),n.Fragment=e}}},gs=function(e,t){e.applyShaderReplacements=(e,t,n)=>{let r=null;if(t&&(r=t.ShaderReplacements),r)for(let t=0;t{e.getReplacedShaderTemplate(n,r,o),t.lastRenderPassShaderReplacement=t.currentRenderPass?t.currentRenderPass.getShaderReplacement():null,t.lastRenderPassShaderReplacement&&t.lastRenderPassShaderReplacement(n);const i=t.renderable.getViewSpecificProperties().OpenGL;e.applyShaderReplacements(n,i,!0),e.replaceShaderValues(n,r,o),e.applyShaderReplacements(n,i)},e.getReplacedShaderTemplate=(n,r,o)=>{const i=t.renderable.getViewSpecificProperties().OpenGL;e.getShaderTemplate(n,r,o);let a=n.Vertex;if(i){const e=i.VertexShaderCode;void 0!==e&&""!==e&&(a=e)}n.Vertex=a;let s=n.Fragment;if(i){const e=i.FragmentShaderCode;void 0!==e&&""!==e&&(s=e)}n.Fragment=s;let l=n.Geometry;if(i){const e=i.GeometryShaderCode;void 0!==e&&(l=e)}n.Geometry=l}};let vs;function ys(e,t){t.classHierarchy.push("vtkAbstractTransform","vtkHomogeneousTransform","vtkTransform"),e.transformPoint=(e,n)=>(Yt(n,e,t.matrix),n),e.transformPoints=(e,n)=>{const r=new Float64Array(3),o=new Float64Array(3);for(let i=0;i{e.setPreMultiplyFlag(!0)},e.postMultiply=()=>{e.setPreMultiplyFlag(!1)},e.transformMatrix=(e,n)=>(t.preMultiplyFlag?y(n,t.matrix,e):y(n,e,t.matrix),n),e.transformMatrices=(e,n)=>{const r=new Float64Array(16),o=new Float64Array(16),i=t.preMultiplyFlag?()=>y(o,t.matrix,r):()=>y(o,r,t.matrix);for(let t=0;tvs({matrix:Pr.invertMatrix(Array.from(t.matrix),[],4),preMultiplyFlag:t.preMultiplyFlag})}const bs={preMultiplyFlag:!1,matrix:[...un]};function xs(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,bs,n),gt.obj(e,t),gt.setGet(e,t,["preMultiplyFlag"]),gt.setGetArray(e,t,["matrix"],16),ys(e,t)}vs=gt.newInstance(xs,"vtkTransform");var _s={newInstance:vs,extend:xs};const Ts=0,{vtkErrorMacro:Ss}=vt;function ws(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function Cs(e,t,n){return t.identity(n),e.reduce(((e,n,r)=>0===r?n?t.copy(e,n):t.identity(e):n?t.multiply(e,e,n):e),n)}function As(e,t){t.classHierarchy.push("vtkOpenGLImageResliceMapper"),e.buildPass=n=>{if(n){t.currentRenderPass=null,t._openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const n=t._openGLRenderer.getRenderable();t._openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera()),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow)}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t._openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getInputData(),t.currentInput?(e.updateResliceGeometry(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r),e.invokeEvent({type:"EndEvent"})):Ss("No input!")},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),r.getProperty().getInterpolationType()===Ts?(t.openGLTexture.setMinificationFilter(Qa.NEAREST),t.openGLTexture.setMagnificationFilter(Qa.NEAREST),t.colorTexture.setMinificationFilter(Qa.NEAREST),t.colorTexture.setMagnificationFilter(Qa.NEAREST),t.pwfTexture.setMinificationFilter(Qa.NEAREST),t.pwfTexture.setMagnificationFilter(Qa.NEAREST)):(t.openGLTexture.setMinificationFilter(Qa.LINEAR),t.openGLTexture.setMagnificationFilter(Qa.LINEAR),t.colorTexture.setMinificationFilter(Qa.LINEAR),t.colorTexture.setMagnificationFilter(Qa.LINEAR),t.pwfTexture.setMinificationFilter(Qa.LINEAR),t.pwfTexture.setMagnificationFilter(Qa.LINEAR)),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const r=t.currentInput;if(!r)return;const o=r.getPointData()?.getScalars();if(!o)return;t._scalars!==o&&(t._openGLRenderWindow.releaseGraphicsResourcesForObject(t._scalars),t._scalars=o);const i=o.getNumberOfComponents();let a=`${r.getMTime()}A${o.getMTime()}`;const s=t._openGLRenderWindow.getGraphicsResourceForObject(o);if(s?.vtkObj&&s?.hash===a&&t.openGLTextureString===a)t.openGLTexture=s.vtkObj,t.openGLTextureString=s.hash;else{t.openGLTexture||(t.openGLTexture=hs.newInstance(),t.openGLTexture.setOpenGLRenderWindow(t._openGLRenderWindow));const e=r.getDimensions();t.openGLTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.openGLTexture.releaseGraphicsResources(t._openGLRenderWindow),t.openGLTexture.resetFormatAndType(),t.openGLTexture.create3DFilterableFromDataArray(e[0],e[1],e[2],o),t.openGLTextureString=a,o&&t._openGLRenderWindow.setGraphicsResourceForObject(o,t.openGLTexture,t.openGLTextureString)}const l=n.getProperty(),u=l.getIndependentComponents(),c=u?i:1,d=u?2*c:1,p=l.getRGBTransferFunction();a=ws(l,p,c);const f=t._openGLRenderWindow.getGraphicsResourceForObject(p);if(f?.vtkObj&&f?.hash===a&&t.colorTextureString===a)t.colorTexture=f.vtkObj,t.colorTextureString=f.hash;else{const e=1024,n=new Uint8Array(e*d*3);if(t.colorTexture||(t.colorTexture=hs.newInstance(),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow)),p){const r=new Float32Array(3*e);for(let t=0;t0){const e=t.resliceGeom.getPointData().getNormals();e?r.normals=e:Ss("Slab mode requested without normals")}t.tris.getCABO().createVBO(n,"polys",ua.SURFACE,r)}t.VBOBuildString=g,t.VBOBuildTime.modified()},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const i=n.getProgram();if(n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())){i.isUniformUsed("texture1")&&i.setUniformi("texture1",t.openGLTexture.getTextureUnit()),i.isAttributeUsed("vertexWC")&&(n.getVAO().addAttributeArray(i,n.getCABO(),"vertexWC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ss("Error setting vertexWC in shader VAO.")),i.isAttributeUsed("normalWC")&&(n.getVAO().addAttributeArray(i,n.getCABO(),"normalWC",n.getCABO().getNormalOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ss("Error setting normalWC in shader VAO.")),i.isUniformUsed("slabThickness")&&i.setUniformf("slabThickness",t.renderable.getSlabThickness()),i.isUniformUsed("spacing")&&i.setUniform3fv("spacing",t.currentInput.getSpacing()),i.isUniformUsed("slabType")&&i.setUniformi("slabType",t.renderable.getSlabType()),i.isUniformUsed("slabType")&&i.setUniformi("slabType",t.renderable.getSlabType()),i.isUniformUsed("slabTrapezoid")&&i.setUniformi("slabTrapezoid",t.renderable.getSlabTrapezoidIntegration());const e=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null;if(i.isUniformUsed("WCTCMatrix")){const n=t.currentInput,r=n.getDimensions();c(t.tmpMat4,n.getIndexToWorld()),x(t.tmpMat4,t.tmpMat4,r),m(t.tmpMat4,t.tmpMat4),e&&y(t.tmpMat4,t.tmpMat4,e),i.setUniformMatrix("WCTCMatrix",t.tmpMat4)}i.isUniformUsed("vboScaling")&&i.setUniform3fv("vboScaling",n.getCABO().getCoordScale()),n.getAttributeUpdateTime().modified()}if(t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),n.getProgram().isUniformUsed("coffset")){const t=e.getCoincidentParameters(r,o);n.getProgram().setUniformf("coffset",t.offset),n.getProgram().isUniformUsed("cfactor")&&n.getProgram().setUniformf("cfactor",t.factor)}},e.setCameraShaderParameters=(e,n,o)=>{const i=t._openGLCamera.getKeyMatrices(n),a=t._openGLImageSlice.getKeyMatrices(),s=e.getCABO().getCoordShiftAndScaleEnabled()?e.getCABO().getInverseShiftAndScaleMatrix():null,l=e.getProgram();l.isUniformUsed("MCPCMatrix")&&(f(t.tmpMat4),l.setUniformMatrix("MCPCMatrix",Cs([i.wcpc,a.mcwc,s],r,t.tmpMat4))),l.isUniformUsed("MCVCMatrix")&&(f(t.tmpMat4),l.setUniformMatrix("MCVCMatrix",Cs([i.wcvc,a.mcwc,s],r,t.tmpMat4)))},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),i=r.getProperty(),a=i.getOpacity();o.setUniformf("opacity",a);const s=t.openGLTexture.getComponents(),l=i.getIndependentComponents();if(l)for(let e=0;e{const o=t.openGLTexture.getComponents(),i=r.getProperty().getIndependentComponents(),a=t.renderable.getSlabThickness(),s=t.renderable.getSlabType(),l=t.renderable.getSlabTrapezoidIntegration();let u=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(u=!0),!(!u&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&0!==e.getProgram()?.getHandle()&&t.lastTextureComponents===o&&t.lastIndependentComponents===i&&t.lastSlabThickness===a&&t.lastSlabType===s&&t.lastSlabTrapezoidIntegration===l||(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=i,t.lastSlabThickness=a,t.lastSlabType=s,t.lastSlabTrapezoidIntegration=l,0))},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkImageResliceMapperVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\n// all variables that represent positions or directions have a suffix\n// indicating the coordinate system they are in. The possible values are\n// MC - Model coordinates\n// WC - World coordinates\n// VC - View coordinates\n// DC - Display coordinates\n// TC - Texture coordinates\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\nvoid main()\n{\n //VTK::PositionVC::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Picking::Impl\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkImageResliceMapperFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the gpu image mapper fragment shader\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n // VC position of this fragment. This should not branch/return/discard.\n //VTK::PositionVC::Impl\n\n // Place any calls that require uniform flow (e.g. dFdx) here.\n //VTK::UniformFlow::Impl\n\n // Set gl_FragDepth here (gl_FragCoord.z by default)\n //VTK::Depth::Impl\n\n // Early depth peeling abort:\n //VTK::DepthPeeling::PreColor\n\n //VTK::TCoord::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n\n //VTK::DepthPeeling::Impl\n\n //VTK::Picking::Impl\n\n // handle coincident offsets\n //VTK::Coincident::Impl\n\n //VTK::ZBuffer::Impl\n\n //VTK::RenderPassFragmentShader::Impl\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{if(e.replaceShaderTCoord(n,r,o),e.replaceShaderPositionVC(n,r,o),t.haveSeenDepthRequest){let e=n.Fragment;e=Ca.substitute(e,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,e=Ca.substitute(e,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result,n.Fragment=e}e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderTCoord=(e,n,r)=>{let o=e.Vertex;const i=e.Geometry;let a=e.Fragment;const s=t.renderable.getSlabThickness();o=Ca.substitute(o,"//VTK::TCoord::Dec",["uniform mat4 WCTCMatrix;","out vec3 fragTexCoord;"]).result,o=Ca.substitute(o,"//VTK::TCoord::Impl",["fragTexCoord = (WCTCMatrix * vertexWC).xyz;"]).result;const l=t.openGLTexture.getComponents(),u=r.getProperty().getIndependentComponents();let c=["in vec3 fragTexCoord;","uniform highp sampler3D texture1;","uniform mat4 WCTCMatrix;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;"];if(u){for(let e=1;e0&&(c=c.concat(["uniform vec3 spacing;","uniform float slabThickness;","uniform int slabType;","uniform int slabTrapezoid;","uniform vec3 vboScaling;"]),c=c.concat(["vec4 compositeValue(vec4 currVal, vec4 valToComp, int trapezoid)","{"," vec4 retVal = vec4(1.0);"," if (slabType == 0) // min"," {"," retVal = min(currVal, valToComp);"," }"," else if (slabType == 1) // max"," {"," retVal = max(currVal, valToComp);"," }"," else if (slabType == 3) // sum"," {"," retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); "," }"," else // mean"," {"," retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); "," }"," return retVal;","}"])),a=Ca.substitute(a,"//VTK::TCoord::Dec",c).result;let d=["if (any(greaterThan(fragTexCoord, vec3(1.0))) || any(lessThan(fragTexCoord, vec3(0.0))))","{"," // set the background color and exit"," gl_FragData[0] = backgroundColor;"," return;","}","vec4 tvalue = texture(texture1, fragTexCoord);"];if(s>0&&(d=d.concat(["// Get the first and last samples","int numSlices = 1;","float scaling = min(min(spacing.x, spacing.y), spacing.z) * 0.5;","vec3 normalxspacing = scaling * normalWCVSOutput;","float distTraveled = length(normalxspacing);","int trapezoid = 0;","while (distTraveled < slabThickness * 0.5)","{"," distTraveled += length(normalxspacing);"," float fnumSlices = float(numSlices);"," if (distTraveled > slabThickness * 0.5)"," {"," // Before stepping outside the slab, sample at the boundaries"," normalxspacing = normalWCVSOutput * slabThickness * 0.5 / fnumSlices;"," trapezoid = slabTrapezoid;"," }"," vec3 fragTCoordNeg = (WCTCMatrix * vec4(vertexWCVSOutput.xyz - fnumSlices * normalxspacing * vboScaling, 1.0)).xyz;"," if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))"," {"," vec4 newVal = texture(texture1, fragTCoordNeg);"," tvalue = compositeValue(tvalue, newVal, trapezoid);"," numSlices += 1;"," }"," vec3 fragTCoordPos = (WCTCMatrix * vec4(vertexWCVSOutput.xyz + fnumSlices * normalxspacing * vboScaling, 1.0)).xyz;"," if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))"," {"," vec4 newVal = texture(texture1, fragTCoordPos);"," tvalue = compositeValue(tvalue, newVal, trapezoid);"," numSlices += 1;"," }","}","// Finally, if slab type is *mean*, divide the sum by the numSlices","if (slabType == 2)","{"," tvalue = tvalue / float(numSlices);","}"])),u){const e=["r","g","b","a"];for(let t=0;t{let i=n.Vertex;const a=n.Geometry;let s=n.Fragment;const l=t.renderable.getSlabThickness();let u=["attribute vec4 vertexWC;"];u=u.concat([`//${e.getMTime()}${t.resliceGeomUpdateString}`]),l>0&&(u=u.concat(["attribute vec3 normalWC;","varying vec3 normalWCVSOutput;","varying vec4 vertexWCVSOutput;"])),i=Ca.substitute(i,"//VTK::PositionVC::Dec",u).result;let c=["gl_Position = MCPCMatrix * vertexWC;"];l>0&&(c=c.concat(["normalWCVSOutput = normalWC;","vertexWCVSOutput = vertexWC;"])),i=Ca.substitute(i,"//VTK::PositionVC::Impl",c).result,i=Ca.substitute(i,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;","uniform mat4 MCVCMatrix;"]).result;let d=[];l>0&&(d=d.concat(["varying vec3 normalWCVSOutput;","varying vec4 vertexWCVSOutput;"])),s=Ca.substitute(s,"//VTK::PositionVC::Dec",d).result,n.Vertex=i,n.Geometry=a,n.Fragment=s},e.updateResliceGeometry=()=>{let e="";const n=t.currentInput,r=n?.getBounds();let o=!0,a=2;const s=t.renderable.getSlicePolyData(),l=t.renderable.getSlicePlane();if(s)e=e.concat(`PolyData${s.getMTime()}`);else if(l){e=e.concat(`Plane${l.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`));const t=function(e,t,n,r,o,a,s,l,u){var c=new i(9);return c[0]=e,c[1]=void 0,c[2]=void 0,c[3]=void 0,c[4]=void 0,c[5]=void 0,c[6]=void 0,c[7]=void 0,c[8]=void 0,c}(n?.getDirection());se(t,t);const r=[...l.getNormal()];Jt(r,r,t),[o,a]=function(e){Pr.normalize(e);const t=[0,0,0];for(let n=0;n<3;++n){Qt(t),t[n]=1;const r=Pr.dot(e,t);if(r<-.999||r>.999)return[!0,n]}return[!1,2]}(r)}else{const o=Ii.newInstance();o.setNormal(0,0,1);let i=[0,1,0,1,0,1];n&&(i=r),o.setOrigin(i[0],i[2],.5*(i[5]+i[4])),t.renderable.setSlicePlane(o),e=e.concat(`Plane${l?.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`))}if(!t.resliceGeom||t.resliceGeomUpdateString!==e){if(s)t.resliceGeom||(t.resliceGeom=ji.newInstance()),t.resliceGeom.getPoints().setData(s.getPoints().getData(),3),t.resliceGeom.getPolys().setData(s.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(s.getPointData().getNormals());else if(l)if(o){const e=new Float32Array(12),r=n.worldToIndex(l.getOrigin(),[0,0,0]),o=[(a+1)%3,(a+2)%3].sort(),i=n.getDimensions(),s=[0,i[0]-1,0,i[1]-1,0,i[2]-1];let u=0;for(let t=0;t<2;++t)for(let n=0;n<2;++n)e[u+a]=r[a],e[u+o[0]]=s[2*o[0]+n],e[u+o[1]]=s[2*o[1]+t],u+=3;t.transform.setMatrix(n.getIndexToWorld()),t.transform.transformPoints(e,e);const c=new Uint16Array(8);c[0]=3,c[1]=0,c[2]=1,c[3]=3,c[4]=3,c[5]=0,c[6]=3,c[7]=2;const d=l.getNormal();Pr.normalize(d);const p=new Float32Array(12);for(let e=0;e<4;++e)p[3*e]=d[0],p[3*e+1]=d[1],p[3*e+2]=d[2];t.resliceGeom||(t.resliceGeom=ji.newInstance()),t.resliceGeom.getPoints().setData(e,3),t.resliceGeom.getPolys().setData(c,1);const f=Wr.newInstance({numberOfComponents:3,values:p,name:"Normals"});t.resliceGeom.getPointData().setNormals(f)}else{t.outlineFilter.setInputData(n),t.cutter.setInputConnection(t.outlineFilter.getOutputPort()),t.cutter.setCutFunction(l),t.lineToSurfaceFilter.setInputConnection(t.cutter.getOutputPort()),t.lineToSurfaceFilter.update(),t.resliceGeom||(t.resliceGeom=ji.newInstance());const e=t.lineToSurfaceFilter.getOutputData();t.resliceGeom.getPoints().setData(e.getPoints().getData(),3),t.resliceGeom.getPolys().setData(e.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(e.getPointData().getNormals());const r=l.getNormal(),o=t.resliceGeom.getNumberOfPoints();Pr.normalize(r);const i=new Float32Array(3*o);for(let e=0;e{e&&(t.openGLTexture=e,t._externalOpenGLTexture=!0)}}const Es={VBOBuildTime:{},VBOBuildString:null,haveSeenDepthRequest:!1,lastHaveSeenDepthRequest:!1,lastIndependentComponents:!1,lastTextureComponents:0,lastSlabThickness:0,lastSlabTrapezoidIntegration:0,lastSlabType:-1,openGLTexture:null,openGLTextureString:null,colorTextureString:null,pwfTextureString:null,resliceGeom:null,resliceGeomUpdateString:null,tris:null,colorTexture:null,pwfTexture:null,_externalOpenGLTexture:!1,_scalars:null};const Ds=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Es,n),Tt.extend(e,t,n),ms(e,t,n),gs(e,t,n),t.tris=Ra.newInstance(),t.openGLTexture=null,t.colorTexture=null,t.pwfTexture=null,t.VBOBuildTime={},je(t.VBOBuildTime),t.tmpMat4=f(new Float64Array(16)),t.outlineFilter=Ya.newInstance(),t.outlineFilter.setGenerateFaces(!0),t.outlineFilter.setGenerateLines(!1),t.cubePolyData=ji.newInstance(),t.cutter=ea.newInstance(),t.lineToSurfaceFilter=$i.newInstance(),t.transform=_s.newInstance(),He(e,t,["openGLTexture"]),As(e,t)}),"vtkOpenGLImageResliceMapper");Dt("vtkImageResliceMapper",Ds);var Is={SlicingMode:{NONE:-1,I:0,J:1,K:2,X:3,Y:4,Z:5}},Os="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexMC;\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// optional normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// material property values\n//VTK::Color::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// picking support\n//VTK::Picking::Dec\n\nvoid main()\n{\n //VTK::Color::Impl\n\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Clip::Impl\n\n //VTK::PrimID::Impl\n\n //VTK::PositionVC::Impl\n\n //VTK::Light::Impl\n\n //VTK::Picking::Impl\n}\n",Ps="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the polydata mappers fragment shader\n\nuniform int PrimitiveIDOffset;\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// optional color passed in from the vertex shader, vertexColor\n//VTK::Color::Dec\n\n// optional surface normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// Depth Peeling Support\n//VTK::DepthPeeling::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// label outline \n//VTK::LabelOutline::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n//VTK::LabelOutlineHelperFunction\n\nvoid main()\n{\n // VC position of this fragment. This should not branch/return/discard.\n //VTK::PositionVC::Impl\n\n // Place any calls that require uniform flow (e.g. dFdx) here.\n //VTK::UniformFlow::Impl\n\n // Set gl_FragDepth here (gl_FragCoord.z by default)\n //VTK::Depth::Impl\n\n // Early depth peeling abort:\n //VTK::DepthPeeling::PreColor\n\n // Apple Bug\n //VTK::PrimID::Impl\n\n //VTK::Clip::Impl\n\n //VTK::Color::Impl\n\n // Generate the normal if we are not passed in one\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Light::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n\n //VTK::DepthPeeling::Impl\n\n //VTK::Picking::Impl\n\n // handle coincident offsets\n //VTK::Coincident::Impl\n\n //VTK::ZBuffer::Impl\n\n //VTK::RenderPassFragmentShader::Impl\n}\n";const{vtkErrorMacro:Ns}=vt,{SlicingMode:Ms}=Is;function Rs(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function Fs(e){const t=e.split("\n"),n=[];for(let e=0;e0&&n.push(r)}return n}function ks(e,t){t.classHierarchy.push("vtkOpenGLImageMapper"),e.buildPass=n=>{if(n){t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow);const n=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera()),t.renderable.isA("vtkImageMapper")&&t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(n.getActiveCamera())}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.getShaderTemplate=(e,t,n)=>{e.Vertex=Os,e.Fragment=Ps,e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let i=n.Vertex,a=n.Fragment;i=Ca.substitute(i,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,i=Ca.substitute(i,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result,i=Ca.substitute(i,"//VTK::TCoord::Impl","tcoordVCVSOutput = tcoordMC;").result,i=Ca.substitute(i,"//VTK::TCoord::Dec","attribute vec2 tcoordMC; varying vec2 tcoordVCVSOutput;").result;const s=t.openGLTexture.getComponents(),l=o.getProperty().getIndependentComponents();let u=["varying vec2 tcoordVCVSOutput;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D texture1;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform sampler2D labelOutlineTexture1;","uniform float opacity;","uniform float outlineOpacity;"];if(l){for(let e=1;e 0.01) {\n for (int i = -actualThickness; i <= actualThickness; i++) {\n for (int j = -actualThickness; j <= actualThickness; j++) {\n if (i == 0 || j == 0) {\n continue;\n }\n vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n gl_FragCoord.y + float(j),\n gl_FragCoord.z, gl_FragCoord.w);\n vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n float value = texture2D(texture1, neighborPosIS.xy).r;\n if (value != centerValue) {\n pixelOnBorder = true;\n break;\n }\n }\n if (pixelOnBorder == true) {\n break;\n }\n }\n if (pixelOnBorder == true) {\n gl_FragData[0] = vec4(tColor, outlineOpacity);\n }\n else {\n gl_FragData[0] = vec4(tColor, opacityToUse);\n }\n }\n #else\n float intensity = texture2D(texture1, tcoordVCVSOutput).r;\n vec3 tcolor = texture2D(colorTexture1, vec2(intensity * cscale0 + cshift0, 0.5)).rgb;\n float scalarOpacity = texture2D(pwfTexture1, vec2(intensity * pwfscale0 + pwfshift0, 0.5)).r;\n gl_FragData[0] = vec4(tcolor, scalarOpacity * opacity);\n #endif\n ")]).result;break;case 2:a=Ca.substitute(a,"//VTK::TCoord::Impl",["vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);","float intensity = tcolor.r*cscale0 + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(intensity, 0.5)).rgb, pwfscale0*tcolor.g + pwfshift0);"]).result;break;case 3:a=Ca.substitute(a,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, opacity);"]).result;break;default:a=Ca.substitute(a,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, tcolor.a);"]).result}t.haveSeenDepthRequest&&(a=Ca.substitute(a,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,a=Ca.substitute(a,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),n.Vertex=i,n.Fragment=a,e.replaceShaderClip(n,r,o),e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderClip=(e,n,r)=>{let o=e.Vertex,i=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(Ce("OpenGL has a limit of 6 clipping planes"),e=6),o=Ca.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=Ca.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,i=Ca.substitute(i,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,i=Ca.substitute(i,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=i},e.getNeedToRebuildShaders=(e,n,r)=>{const o=t.openGLTexture.getComponents(),i=r.getProperty().getIndependentComponents();let a=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(a=!0),!(!a&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&0!==e.getProgram()?.getHandle()&&t.lastTextureComponents===o&&t.lastIndependentComponents===i||(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=i,0))},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ns("Error setting vertexMC in shader VAO.")),n.getProgram().isAttributeUsed("tcoordMC")&&n.getCABO().getTCoordOffset()&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"tcoordMC",n.getCABO().getTCoordOffset(),n.getCABO().getStride(),t.context.FLOAT,n.getCABO().getTCoordComponents(),t.context.FALSE)||Ns("Error setting tcoordMC in shader VAO.")),n.getAttributeUpdateTime().modified());const i=t.openGLTexture.getTextureUnit();n.getProgram().setUniformi("texture1",i);const a=t.openGLTexture.getComponents(),s=o.getProperty().getIndependentComponents();if(s)for(let e=0;e6&&(Ce("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,i=r?c(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(h(i,i),y(i,i,r),h(i,i)),h(t.imagemat,t.currentInput.getIndexToWorld()),y(t.imagematinv,i,t.imagemat);const a=[];for(let n=0;n{const i=n.getProgram(),a=t.openGLImageSlice.getKeyMatrices(),s=t.currentInput,l=s.getIndexToWorld();y(t.imagemat,a.mcwc,l);const u=t.openGLCamera.getKeyMatrices(r);if(y(t.imagemat,u.wcpc,t.imagemat),n.getCABO().getCoordShiftAndScaleEnabled()){const e=n.getCABO().getInverseShiftAndScaleMatrix();y(t.imagemat,t.imagemat,e)}if(i.setUniformMatrix("MCPCMatrix",t.imagemat),!0===o.getProperty().getUseLabelOutline()){const n=s.getWorldToIndex(),o=s.getDimensions();i.setUniform3i("imageDimensions",o[0],o[1],1),i.setUniformMatrix("vWCtoIDX",n);const a=t.openGLCamera.getKeyMatrices(r);m(t.projectionToWorld,a.wcpc),t.openGLCamera.getKeyMatrices(r),i.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const l=e.getRenderTargetSize();i.setUniformf("vpWidth",l[0]),i.setUniformf("vpHeight",l[1]);const u=e.getRenderTargetOffset();i.setUniformf("vpOffsetX",u[0]/l[0]),i.setUniformf("vpOffsetY",u[1]/l[1])}},e.setPropertyShaderParameters=(e,t,n)=>{const r=e.getProgram(),o=n.getProperty().getOpacity();r.setUniformf("opacity",o)},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),t.labelOutlineThicknessTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),t.labelOutlineThicknessTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getCurrentImage(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):Ns("No input!")},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():yr(t.bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const o=t.currentInput;if(!o)return;const i=o.getPointData()&&o.getPointData().getScalars();if(!i)return;const a=i.getDataType(),s=i.getNumberOfComponents(),l=r.getProperty(),u=l.getInterpolationType(),c=l.getIndependentComponents(),d=c?s:1,p=c?2*d:1,f=l.getRGBTransferFunction(),h=Rs(l,f,d),m=t._openGLRenderWindow.getGraphicsResourceForObject(f);if(m?.vtkObj&&m?.hash===h&&t.colorTextureString===h)t.colorTexture=m.vtkObj,t.colorTextureString=m.hash;else{const e=1024,n=new Uint8Array(e*p*3);if(t.colorTexture||(t.colorTexture=hs.newInstance({resizable:!0}),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow)),u===Ts?(t.colorTexture.setMinificationFilter(Qa.NEAREST),t.colorTexture.setMagnificationFilter(Qa.NEAREST)):(t.colorTexture.setMinificationFilter(Qa.LINEAR),t.colorTexture.setMagnificationFilter(Qa.LINEAR)),f){const r=new Float32Array(3*e);for(let t=0;t1?1:0;const d=[Ms.X,Ms.Y,Ms.Z].includes(t.renderable.getSlicingMode())?x:_,p=o.getSpatialExtent(),f=i.getData();let h=null;if(b===Ms.I){h=new f.constructor(e[2]*e[1]*s);let t=0;for(let n=0;n{t.labelOutlineThicknessTexture||(t.labelOutlineThicknessTexture=hs.newInstance({resizable:!1}),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow));const n=e.getProperty().getLabelOutlineThickness(),r=t._openGLRenderWindow.getGraphicsResourceForObject(n),o=`${n.join("-")}`;if(r?.vtkObj&&r?.hash===o&&t.labelOutlineThicknessTextureString===o)t.labelOutlineThicknessTexture=r.vtkObj,t.labelOutlineThicknessTextureString=r.hash;else{const e=1024,r=1,i=new Uint8Array(e*r);for(let t=0;t{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]}}const Ls={VBOBuildTime:0,VBOBuildString:null,openGLTexture:null,tris:null,imagemat:null,imagematinv:null,colorTexture:null,pwfTexture:null,labelOutlineThicknessTexture:null,labelOutlineThicknessTextureString:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,_scalars:null};const Bs=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ls,n),Tt.extend(e,t,n),ms(e,t,n),gs(e,t,n),t.tris=Ra.newInstance(),t.imagemat=f(new Float64Array(16)),t.imagematinv=f(new Float64Array(16)),t.projectionToWorld=f(new Float64Array(16)),t.idxToView=f(new Float64Array(16)),t.idxNormalMatrix=ae(new Float64Array(9)),t.modelToView=f(new Float64Array(16)),t.projectionToView=f(new Float64Array(16)),$e(e,t,[]),t.VBOBuildTime={},je(t.VBOBuildTime),ks(e,t)}),"vtkOpenGLImageMapper");Dt("vtkAbstractImageMapper",Bs);const{vtkErrorMacro:Vs}=gt;function Us(e,t,n){if(t.apply(e)){const t=e.getIndependentComponents();return`${e.getMTime()}-${t}-${n}`}return"0"}function Gs(e,t){t.classHierarchy.push("vtkOpenGLImageCPRMapper"),e.buildPass=n=>{n&&(t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.openGLCamera=t._openGLRenderer.getViewNodeFor(t._openGLRenderer.getRenderable().getActiveCamera()),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.volumeTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.pwfTexture.setOpenGLRenderWindow(t._openGLRenderWindow))},e.opaquePass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.opaqueZBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),e.invokeEvent({type:"EndEvent"}),t.renderable.preRenderCheck()&&(t.currentImageDataInput=t.renderable.getInputData(0),t.currentCenterlineInput=t.renderable.getOrientedCenterline(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r))},e.renderPieceStart=(t,n)=>{e.updateBufferObjects(t,n)},e.renderPieceDraw=(n,r)=>{const o=t.context;t.volumeTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.volumeTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>{const o=t.VBOBuildTime.getMTime();return o{const r=t.currentImageDataInput,o=t.currentCenterlineInput;n.getProperty().getInterpolationType()===Ts?(t.volumeTexture.setMinificationFilter(Qa.NEAREST),t.volumeTexture.setMagnificationFilter(Qa.NEAREST),t.colorTexture.setMinificationFilter(Qa.NEAREST),t.colorTexture.setMagnificationFilter(Qa.NEAREST),t.pwfTexture.setMinificationFilter(Qa.NEAREST),t.pwfTexture.setMagnificationFilter(Qa.NEAREST)):(t.volumeTexture.setMinificationFilter(Qa.LINEAR),t.volumeTexture.setMagnificationFilter(Qa.LINEAR),t.colorTexture.setMinificationFilter(Qa.LINEAR),t.colorTexture.setMagnificationFilter(Qa.LINEAR),t.pwfTexture.setMinificationFilter(Qa.LINEAR),t.pwfTexture.setMagnificationFilter(Qa.LINEAR));const i=r.getMTime();if(t.volumeTextureTime!==i){const e=r.getDimensions(),n=r.getPointData().getScalars();if(!n)return;t.volumeTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.volumeTexture.releaseGraphicsResources(t._openGLRenderWindow),t.volumeTexture.resetFormatAndType(),t.volumeTexture.create3DFilterableFromRaw(e[0],e[1],e[2],n.getNumberOfComponents(),n.getDataType(),n.getData(),t.renderable.getPreferSizeOverAccuracy()),t.volumeTextureTime=i}const a=r.getPointData()&&r.getPointData().getScalars();if(!a)return;const s=a.getNumberOfComponents(),l=n.getProperty(),u=l.getIndependentComponents(),c=u?s:1,d=u?2*c:1,p=Us(l,l.getRGBTransferFunction,c);if(t.colorTextureString!==p){const e=1024,n=new Uint8Array(e*d*3);let r=l.getRGBTransferFunction();if(r){const o=new Float32Array(3*e);for(let t=0;t{const o=t.volumeTexture.getComponents(),i=r.getProperty().getIndependentComponents(),a=!!t.renderable.getCenterPoint(),s=t.renderable.getUseUniformOrientation();return(0===e.getProgram()||t.lastUseCenterPoint!==a||t.lastUseUniformOrientation!==s||t.lastHaveSeenDepthRequest!==t.haveSeenDepthRequest||t.lastTextureComponents!==o||t.lastIndependentComponents!==i)&&(t.lastUseCenterPoint=a,t.lastUseUniformOrientation=s,t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=i,!0)},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.replaceShaderValues=(n,r,o)=>{let i=n.Vertex,a=n.Fragment;i=Ca.substitute(i,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,i=Ca.substitute(i,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result;const s=["attribute vec3 centerlinePosition;","attribute float quadIndex;","uniform float width;","out vec2 quadOffsetVSOutput;","out vec3 centerlinePosVSOutput;"],l=t.renderable.getUseUniformOrientation();l?s.push("out vec3 centerlineDirVSOutput;","uniform vec3 centerlineDirection;"):s.push("out vec3 centerlineTopDirVSOutput;","out vec3 centerlineBotDirVSOutput;","out float centerlineAngleVSOutput;","attribute vec3 centerlineTopDirection;","attribute vec3 centerlineBotDirection;"),i=Ca.substitute(i,"//VTK::Color::Dec",s).result;const u=["quadOffsetVSOutput = vec2(width * (mod(quadIndex, 2.0) == 0.0 ? -0.5 : 0.5), quadIndex > 1.0 ? 0.0 : 1.0);","centerlinePosVSOutput = centerlinePosition;"];l?u.push("centerlineDirVSOutput = centerlineDirection;"):u.push("vec3 sumVec = centerlineTopDirection + centerlineBotDirection;","float sumLen2 = dot(sumVec, sumVec);","float diffLen2 = 4.0 - sumLen2;","if (diffLen2 < 0.001) {"," // vectors are too close to each other, use lerp"," centerlineAngleVSOutput = -1.0; // use negative angle as a flag for lerp"," centerlineTopDirVSOutput = centerlineTopDirection;"," centerlineBotDirVSOutput = centerlineBotDirection;","} else if (sumLen2 == 0.0) {"," // vector are opposite to each other, don't make a choice for the user"," // use slerp without direction, it will display the centerline color on each row of pixel"," centerlineAngleVSOutput = 0.0;"," centerlineTopDirVSOutput = vec3(0.0);"," centerlineBotDirVSOutput = vec3(0.0);","} else {"," // use slerp"," centerlineAngleVSOutput = 2.0 * atan(sqrt(diffLen2/sumLen2));"," float sinAngle = sin(centerlineAngleVSOutput);"," centerlineTopDirVSOutput = centerlineTopDirection / sinAngle;"," centerlineBotDirVSOutput = centerlineBotDirection / sinAngle;","}"),i=Ca.substitute(i,"//VTK::Color::Impl",u).result;const c=t.volumeTexture.getComponents(),d=o.getProperty().getIndependentComponents();let p=["uniform mat4 MCTCMatrix; // Model coordinates to texture coordinates","in vec2 quadOffsetVSOutput;","in vec3 centerlinePosVSOutput;","uniform highp sampler3D volumeTexture;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;"];l?p.push("in vec3 centerlineDirVSOutput;"):p.push("in vec3 centerlineTopDirVSOutput;","in vec3 centerlineBotDirVSOutput;","in float centerlineAngleVSOutput;");const f=t.renderable.getCenterPoint();if(f&&p.push("uniform vec3 globalCenterPoint;"),d){for(let e=1;e{let o=e.Vertex,i=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(gt.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6),o=Ca.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=Ca.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,i=Ca.substitute(i,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,i=Ca.substitute(i,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=i},e.getShaderTemplate=(e,t,n)=>{e.Vertex=Os,e.Fragment=Ps,e.Geometry=""},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Vs("Error setting vertexMC in shader VAO.")),n.getCABO().getCustomData().forEach((e=>{e&&n.getProgram().isAttributeUsed(e.name)&&!n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),e.name,e.offset,n.getCABO().getStride(),t.context.FLOAT,e.components,t.context.FALSE)&&Vs(`Error setting ${e.name} in shader VAO.`)})),n.getAttributeUpdateTime().modified());const i=t.volumeTexture.getTextureUnit();if(n.getProgram().setUniformi("volumeTexture",i),n.getProgram().setUniformf("width",t.renderable.getWidth()),n.getProgram().setUniform4f("backgroundColor",...t.renderable.getBackgroundColor()),n.getProgram().isUniformUsed("centerlineDirection")){const e=t.renderable.getUniformDirection();n.getProgram().setUniform3fArray("centerlineDirection",e)}if(n.getProgram().isUniformUsed("globalCenterPoint")){const e=t.renderable.getCenterPoint();n.getProgram().setUniform3fArray("globalCenterPoint",e)}const a=t.currentImageDataInput,s=a.getWorldToIndex(),l=A(new Float32Array(16),Xt([],a.getDimensions())),u=re(l,l,s);if(n.getProgram().setUniformMatrix("MCTCMatrix",u),t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(gt.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,i=r?c(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(h(i,i),y(i,i,r),h(i,i)),h(t.imagemat,t.currentImageDataInput.getIndexToWorld()),y(t.imagematinv,i,t.imagemat);const a=[];for(let n=0;n{const o=t.openGLImageSlice.getKeyMatrices().mcwc,i=t.openGLCamera.getKeyMatrices(n).wcpc;if(y(t.imagemat,i,o),e.getCABO().getCoordShiftAndScaleEnabled()){const n=e.getCABO().getInverseShiftAndScaleMatrix();y(t.imagemat,t.imagemat,n)}e.getProgram().setUniformMatrix("MCPCMatrix",t.imagemat)},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),i=r.getProperty(),a=i.getOpacity();o.setUniformf("opacity",a);const s=t.volumeTexture.getComponents(),l=i.getIndependentComponents();if(l)for(let e=0;e{if(e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)}}const zs={currentRenderPass:null,volumeTexture:null,volumeTextureTime:0,colorTexture:null,colorTextureString:null,pwfTexture:null,pwfTextureString:null,tris:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,lastIndependentComponents:0,imagemat:null,imagematinv:null};const js=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,zs,n),Tt.extend(e,t,n),ms(e,t,n),gt.algo(e,t,2,0),t.tris=Ra.newInstance(),t.volumeTexture=hs.newInstance(),t.colorTexture=hs.newInstance(),t.pwfTexture=hs.newInstance(),t.imagemat=f(new Float64Array(16)),t.imagematinv=f(new Float64Array(16)),t.VBOBuildTime={},gt.obj(t.VBOBuildTime,{mtime:0}),Gs(e,t)}),"vtkOpenGLImageCPRMapper");function Ws(e,t){t.classHierarchy.push("vtkOpenGLImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes()}},e.traverseZBufferPass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseOpaqueZBufferPass=t=>e.traverseOpaquePass(t),e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t._openGLRenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.zBufferPass=(t,n)=>e.opaquePass(t,n),e.opaqueZBufferPass=(t,n)=>e.opaquePass(t,n),e.opaquePass=(e,n)=>{e&&t.context.depthMask(!0)},e.translucentPass=(e,n)=>{t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(c(t.keyMatrices.mcwc,t.renderable.getMatrix()),h(t.keyMatrices.mcwc,t.keyMatrices.mcwc),t.keyMatrixTime.modified()),t.keyMatrices)}Dt("vtkImageCPRMapper",js);const Hs={context:null,keyMatrixTime:null,keyMatrices:null};const Xs=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Hs,n),Tt.extend(e,t,n),t.keyMatrixTime={},je(t.keyMatrixTime,{mtime:0}),t.keyMatrices={mcwc:f(new Float64Array(16))},$e(e,t,["context"]),Ws(e,t)}),"vtkOpenGLImageSlice");function Ks(e,t){t.classHierarchy.push("vtkOpenGLVolume"),e.buildPass=n=>{t.renderable&&t.renderable.getVisibility()&&n&&(t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes())},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;n.incrementVolumeCount()}},e.traverseVolumePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children[0].traverse(n),e.apply(n,!1))},e.volumePass=e=>{t.renderable&&t.renderable.getVisibility()&&t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(t.renderable.computeMatrix(),c(t.MCWCMatrix,t.renderable.getMatrix()),h(t.MCWCMatrix,t.MCWCMatrix),t.renderable.getIsIdentity()?ae(t.normalMatrix):(ie(t.normalMatrix,t.MCWCMatrix),se(t.normalMatrix,t.normalMatrix),function(e,t){if(e===t){var n=t[1],r=t[2],o=t[5];e[1]=t[3],e[2]=t[6],e[3]=n,e[5]=t[7],e[6]=r,e[7]=o}else e[0]=t[0],e[1]=t[3],e[2]=t[6],e[3]=t[1],e[4]=t[4],e[5]=t[7],e[6]=t[2],e[7]=t[5],e[8]=t[8]}(t.normalMatrix,t.normalMatrix)),t.keyMatrixTime.modified()),{mcwc:t.MCWCMatrix,normalMatrix:t.normalMatrix})}Dt("vtkImageSlice",Xs);const qs={};const $s=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,qs,n),Tt.extend(e,t,n),t.keyMatrixTime={},je(t.keyMatrixTime,{mtime:0}),t.normalMatrix=new Float64Array(9),t.MCWCMatrix=new Float64Array(16),$e(e,t,["context"]),Ks(e,t)}),"vtkOpenGLVolume");function Ys(e,t){t.classHierarchy.push("vtkFramebuffer"),e.getBothMode=()=>t.context.FRAMEBUFFER,e.saveCurrentBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.saveCurrentBindings(n),e.saveCurrentBuffers(n)},e.saveCurrentBindings=e=>{if(!t.context)return void Ce("you must set the OpenGLRenderWindow before calling saveCurrentBindings");const n=t.context;t.previousDrawBinding=n.getParameter(t.context.FRAMEBUFFER_BINDING),t.previousActiveFramebuffer=t._openGLRenderWindow.getActiveFramebuffer()},e.saveCurrentBuffers=e=>{},e.restorePreviousBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.restorePreviousBindings(n),e.restorePreviousBuffers(n)},e.restorePreviousBindings=e=>{if(!t.context)return void Ce("you must set the OpenGLRenderWindow before calling restorePreviousBindings");const n=t.context;n.bindFramebuffer(n.FRAMEBUFFER,t.previousDrawBinding),t._openGLRenderWindow.setActiveFramebuffer(t.previousActiveFramebuffer)},e.restorePreviousBuffers=e=>{},e.bind=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,r=n;null===r&&(r=t.context.FRAMEBUFFER),t.context.bindFramebuffer(r,t.glFramebuffer);for(let e=0;e{t.context?(t.glFramebuffer=t.context.createFramebuffer(),t.glFramebuffer.width=e,t.glFramebuffer.height=n):Ce("you must set the OpenGLRenderWindow before calling create")},e.setColorBuffer=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const r=t.context;if(!r)return void Ce("you must set the OpenGLRenderWindow before calling setColorBuffer");let o=r.COLOR_ATTACHMENT0;if(n>0){if(!t._openGLRenderWindow.getWebgl2())return void Ce("Using multiple framebuffer attachments requires WebGL 2");o+=n}t.colorBuffers[n]=e,r.framebufferTexture2D(r.FRAMEBUFFER,o,r.TEXTURE_2D,e.getHandle(),0)},e.removeColorBuffer=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;const n=t.context;if(!n)return void Ce("you must set the OpenGLRenderWindow before calling removeColorBuffer");let r=n.COLOR_ATTACHMENT0;if(e>0){if(!t._openGLRenderWindow.getWebgl2())return void Ce("Using multiple framebuffer attachments requires WebGL 2");r+=e}n.framebufferTexture2D(n.FRAMEBUFFER,r,n.TEXTURE_2D,null,0),t.colorBuffers=t.colorBuffers.splice(e,1)},e.setDepthBuffer=e=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const n=t.context;n.framebufferTexture2D(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.TEXTURE_2D,e.getHandle(),0)}else Ce("Attaching depth buffer textures to fbo requires WebGL 2");else Ce("you must set the OpenGLRenderWindow before calling setDepthBuffer")},e.removeDepthBuffer=()=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const e=t.context;e.framebufferTexture2D(e.FRAMEBUFFER,e.DEPTH_ATTACHMENT,e.TEXTURE_2D,null,0)}else Ce("Attaching depth buffer textures to framebuffers requires WebGL 2");else Ce("you must set the OpenGLRenderWindow before calling removeDepthBuffer")},e.getGLFramebuffer=()=>t.glFramebuffer,e.setOpenGLRenderWindow=n=>{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.releaseGraphicsResources=()=>{t.glFramebuffer&&t.context.deleteFramebuffer(t.glFramebuffer)},e.getSize=()=>{const e=[0,0];return null!==t.glFramebuffer&&(e[0]=t.glFramebuffer.width,e[1]=t.glFramebuffer.height),e},e.populateFramebuffer=()=>{if(!t.context)return void Ce("you must set the OpenGLRenderWindow before calling populateFrameBuffer");e.bind();const n=t.context,r=hs.newInstance();r.setOpenGLRenderWindow(t._openGLRenderWindow),r.setMinificationFilter(Qa.LINEAR),r.setMagnificationFilter(Qa.LINEAR),r.create2DFromRaw(t.glFramebuffer.width,t.glFramebuffer.height,4,on.UNSIGNED_CHAR,null),e.setColorBuffer(r),t.depthTexture=n.createRenderbuffer(),n.bindRenderbuffer(n.RENDERBUFFER,t.depthTexture),n.renderbufferStorage(n.RENDERBUFFER,n.DEPTH_COMPONENT16,t.glFramebuffer.width,t.glFramebuffer.height),n.framebufferRenderbuffer(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.RENDERBUFFER,t.depthTexture)},e.getColorTexture=()=>t.colorBuffers[0]}Dt("vtkVolume",$s);const Js={glFramebuffer:null,colorBuffers:null,depthTexture:null,previousDrawBinding:0,previousReadBinding:0,previousDrawBuffer:0,previousReadBuffer:0,previousActiveFramebuffer:null};function Qs(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Js,n),je(e,t),t.colorBuffers&&Ce("you cannot initialize colorBuffers through the constructor. You should call setColorBuffer() instead."),t.colorBuffers=[],Ye(e,t,["colorBuffers"]),Ys(e,t)}var Zs={newInstance:rt(Qs,"vtkFramebuffer"),extend:Qs};const el={NEAREST:0,LINEAR:1,FAST_LINEAR:2},tl={FRACTIONAL:0,PROPORTIONAL:1};var nl={InterpolationType:el,OpacityMode:tl};const rl={COMPOSITE_BLEND:0,MAXIMUM_INTENSITY_BLEND:1,MINIMUM_INTENSITY_BLEND:2,AVERAGE_INTENSITY_BLEND:3,ADDITIVE_INTENSITY_BLEND:4,RADON_TRANSFORM_BLEND:5};var ol={BlendMode:rl,FilterMode:{OFF:0,NORMALIZED:1,RAW:2}};const{vtkWarningMacro:il,vtkErrorMacro:al}=vt;function sl(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function ll(e,t){t.classHierarchy.push("vtkOpenGLVolumeMapper"),e.buildPass=()=>{t.zBufferTexture=null},e.zBufferPass=(e,n)=>{if(e){const e=n.getZBufferTexture();e!==t.zBufferTexture&&(t.zBufferTexture=e)}},e.opaqueZBufferPass=(t,n)=>e.zBufferPass(t,n),e.volumePass=(n,r)=>{if(n){t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.jitterTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.scalarTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.opacityTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.openGLVolume=e.getFirstAncestorOfType("vtkOpenGLVolume");const n=t.openGLVolume.getRenderable();t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const r=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(r.getActiveCamera()),e.renderPiece(r,n)}},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexDC;\n\nvarying vec3 vertexVCVSOutput;\nuniform mat4 PCVCMatrix;\n\nuniform float dcxmin;\nuniform float dcxmax;\nuniform float dcymin;\nuniform float dcymax;\n\nvoid main()\n{\n // dcsmall is the device coords reduced to the\n // x y area covered by the volume\n vec4 dcsmall = vec4(\n dcxmin + 0.5 * (vertexDC.x + 1.0) * (dcxmax - dcxmin),\n dcymin + 0.5 * (vertexDC.y + 1.0) * (dcymax - dcymin),\n vertexDC.z,\n vertexDC.w);\n vec4 vcpos = PCVCMatrix * dcsmall;\n vertexVCVSOutput = vcpos.xyz/vcpos.w;\n gl_Position = dcsmall;\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkVolumeFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the volume mappers fragment shader\n\n// the output of this shader\n//VTK::Output::Dec\n\nvarying vec3 vertexVCVSOutput;\n\n// first declare the settings from the mapper\n// that impact the code paths in here\n\n// always set vtkNumComponents 1,2,3,4\n//VTK::NumComponents\n\n// possibly define vtkTrilinearOn\n//VTK::TrilinearOn\n\n// possibly define vtkIndependentComponents\n//VTK::IndependentComponentsOn\n\n// possibly define any \"proportional\" components\n//VTK::vtkProportionalComponents\n\n// Define the blend mode to use\n#define vtkBlendMode //VTK::BlendMode\n\n// Possibly define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n#ifdef vtkImageLabelOutlineOn\n\nuniform float outlineOpacity;\nuniform float vpWidth;\nuniform float vpHeight;\nuniform float vpOffsetX;\nuniform float vpOffsetY;\nuniform mat4 PCWCMatrix;\nuniform mat4 vWCtoIDX;\n#endif\n\n// define vtkLightComplexity\n//VTK::LightComplexity\n#if vtkLightComplexity > 0\nuniform float vSpecularPower;\nuniform float vAmbient;\nuniform float vDiffuse;\nuniform float vSpecular;\n//VTK::Light::Dec\n#endif\n\n//VTK::VolumeShadowOn\n//VTK::SurfaceShadowOn\n//VTK::localAmbientOcclusionOn\n//VTK::LAO::Dec\n//VTK::VolumeShadow::Dec\n\n// define vtkComputeNormalFromOpacity\n//VTK::vtkComputeNormalFromOpacity\n\n// possibly define vtkGradientOpacityOn\n//VTK::GradientOpacityOn\n#ifdef vtkGradientOpacityOn\nuniform float goscale0;\nuniform float goshift0;\nuniform float gomin0;\nuniform float gomax0;\n#if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\nuniform float goscale1;\nuniform float goshift1;\nuniform float gomin1;\nuniform float gomax1;\n#if vtkNumComponents >= 3\nuniform float goscale2;\nuniform float goshift2;\nuniform float gomin2;\nuniform float gomax2;\n#endif\n#if vtkNumComponents >= 4\nuniform float goscale3;\nuniform float goshift3;\nuniform float gomin3;\nuniform float gomax3;\n#endif\n#endif\n#endif\n\n// if you want to see the raw tiled\n// data in webgl1 uncomment the following line\n// #define debugtile\n\n// camera values\nuniform float camThick;\nuniform float camNear;\nuniform float camFar;\nuniform int cameraParallel;\n\n// values describing the volume geometry\nuniform vec3 vOriginVC;\nuniform vec3 vSpacing;\nuniform ivec3 volumeDimensions; // 3d texture dimensions\nuniform vec3 vPlaneNormal0;\nuniform float vPlaneDistance0;\nuniform vec3 vPlaneNormal1;\nuniform float vPlaneDistance1;\nuniform vec3 vPlaneNormal2;\nuniform float vPlaneDistance2;\nuniform vec3 vPlaneNormal3;\nuniform float vPlaneDistance3;\nuniform vec3 vPlaneNormal4;\nuniform float vPlaneDistance4;\nuniform vec3 vPlaneNormal5;\nuniform float vPlaneDistance5;\n\n//VTK::ClipPlane::Dec\n\n// opacity and color textures\nuniform sampler2D otexture;\nuniform float oshift0;\nuniform float oscale0;\nuniform sampler2D ctexture;\nuniform float cshift0;\nuniform float cscale0;\n\n// jitter texture\nuniform sampler2D jtexture;\nuniform sampler2D ttexture;\n\n\n// some 3D texture values\nuniform float sampleDistance;\nuniform vec3 vVCToIJK;\n\n// the heights defined below are the locations\n// for the up to four components of the tfuns\n// the tfuns have a height of 2XnumComps pixels so the\n// values are computed to hit the middle of the two rows\n// for that component\n#ifdef vtkIndependentComponentsOn\n#if vtkNumComponents == 2\nuniform float mix0;\nuniform float mix1;\n#define height0 0.25\n#define height1 0.75\n#endif\n#if vtkNumComponents == 3\nuniform float mix0;\nuniform float mix1;\nuniform float mix2;\n#define height0 0.17\n#define height1 0.5\n#define height2 0.83\n#endif\n#if vtkNumComponents == 4\nuniform float mix0;\nuniform float mix1;\nuniform float mix2;\nuniform float mix3;\n#define height0 0.125\n#define height1 0.375\n#define height2 0.625\n#define height3 0.875\n#endif\n#endif\n\n#if vtkNumComponents >= 2\nuniform float oshift1;\nuniform float oscale1;\nuniform float cshift1;\nuniform float cscale1;\n#endif\n#if vtkNumComponents >= 3\nuniform float oshift2;\nuniform float oscale2;\nuniform float cshift2;\nuniform float cscale2;\n#endif\n#if vtkNumComponents >= 4\nuniform float oshift3;\nuniform float oscale3;\nuniform float cshift3;\nuniform float cscale3;\n#endif\n\nuniform vec4 ipScalarRangeMin;\nuniform vec4 ipScalarRangeMax;\n\n// declaration for intermixed geometry\n//VTK::ZBuffer::Dec\n\n//=======================================================================\n// global and custom variables (a temporary section before photorealistics rendering module is complete)\nvec3 rayDirVC;\nfloat sampleDistanceISVS;\nfloat sampleDistanceIS;\n\n#define SQRT3 1.7321\n#define INV4PI 0.0796\n#define EPSILON 0.001\n#define PI 3.1415\n#define PI2 9.8696\n\n//=======================================================================\n// Webgl2 specific version of functions\n#if __VERSION__ == 300\n\nuniform highp sampler3D texture1;\n\nvec4 getTextureValue(vec3 pos)\n{\n vec4 tmp = texture(texture1, pos);\n#if vtkNumComponents == 1\n tmp.a = tmp.r;\n#endif\n#if vtkNumComponents == 2\n tmp.a = tmp.g;\n#endif\n#if vtkNumComponents == 3\n tmp.a = length(tmp.rgb);\n#endif\n return tmp;\n}\n\n//=======================================================================\n// WebGL1 specific version of functions\n#else\n\nuniform sampler2D texture1;\n\nuniform float texWidth;\nuniform float texHeight;\nuniform int xreps;\nuniform int xstride;\nuniform int ystride;\n\n// if computing trilinear values from multiple z slices\n#ifdef vtkTrilinearOn\nvec4 getTextureValue(vec3 ijk)\n{\n float zoff = 1.0/float(volumeDimensions.z);\n vec4 val1 = getOneTextureValue(ijk);\n vec4 val2 = getOneTextureValue(vec3(ijk.xy, ijk.z + zoff));\n\n float indexZ = float(volumeDimensions)*ijk.z;\n float zmix = indexZ - floor(indexZ);\n\n return mix(val1, val2, zmix);\n}\n\nvec4 getOneTextureValue(vec3 ijk)\n#else // nearest or fast linear\nvec4 getTextureValue(vec3 ijk)\n#endif\n{\n vec3 tdims = vec3(volumeDimensions);\n\n#ifdef debugtile\n vec2 tpos = vec2(ijk.x, ijk.y);\n vec4 tmp = texture2D(texture1, tpos);\n tmp.a = 1.0;\n\n#else\n int z = int(ijk.z * tdims.z);\n int yz = z / xreps;\n int xz = z - yz*xreps;\n\n int tileWidth = volumeDimensions.x/xstride;\n int tileHeight = volumeDimensions.y/ystride;\n\n xz *= tileWidth;\n yz *= tileHeight;\n\n float ni = float(xz) + (ijk.x*float(tileWidth));\n float nj = float(yz) + (ijk.y*float(tileHeight));\n\n vec2 tpos = vec2(ni/texWidth, nj/texHeight);\n\n vec4 tmp = texture2D(texture1, tpos);\n\n#if vtkNumComponents == 1\n tmp.a = tmp.r;\n#endif\n#if vtkNumComponents == 2\n tmp.g = tmp.a;\n#endif\n#if vtkNumComponents == 3\n tmp.a = length(tmp.rgb);\n#endif\n#endif\n\n return tmp;\n}\n\n// End of Webgl1 specific code\n//=======================================================================\n#endif\n\n//=======================================================================\n// transformation between VC and IS space\n\n// convert vector position from idx to vc\n#if (vtkLightComplexity > 0) || (defined vtkClippingPlanesOn)\nvec3 IStoVC(vec3 posIS){\n vec3 posVC = posIS / vVCToIJK;\n return posVC.x * vPlaneNormal0 +\n posVC.y * vPlaneNormal2 +\n posVC.z * vPlaneNormal4 +\n vOriginVC;\n}\n\n// convert vector position from vc to idx\nvec3 VCtoIS(vec3 posVC){\n posVC = posVC - vOriginVC;\n posVC = vec3(\n dot(posVC, vPlaneNormal0),\n dot(posVC, vPlaneNormal2),\n dot(posVC, vPlaneNormal4));\n return posVC * vVCToIJK;\n}\n#endif\n\n//Rotate vector to view coordinate\n#if (vtkLightComplexity > 0) || (defined vtkGradientOpacityOn)\nvoid rotateToViewCoord(inout vec3 dirIS){\n dirIS.xyz =\n dirIS.x * vPlaneNormal0 +\n dirIS.y * vPlaneNormal2 +\n dirIS.z * vPlaneNormal4;\n}\n\n//Rotate vector to idx coordinate\nvec3 rotateToIDX(vec3 dirVC){\n vec3 dirIS;\n dirIS.xyz = vec3(\n dot(dirVC, vPlaneNormal0),\n dot(dirVC, vPlaneNormal2),\n dot(dirVC, vPlaneNormal4));\n return dirIS;\n}\n#endif\n\n//=======================================================================\n// Given a normal compute the gradient opacity factors\nfloat computeGradientOpacityFactor(\n float normalMag, float goscale, float goshift, float gomin, float gomax)\n{\n#if defined(vtkGradientOpacityOn)\n return clamp(normalMag * goscale + goshift, gomin, gomax);\n#else\n return 1.0;\n#endif\n}\n\n//=======================================================================\n// compute the normal and gradient magnitude for a position, uses forward difference\n#if (vtkLightComplexity > 0) || (defined vtkGradientOpacityOn)\n#ifdef vtkClippingPlanesOn\n void adjustClippedVoxelValues(vec3 pos, vec3 texPos[3], inout vec3 g1)\n {\n vec3 g1VC[3];\n for (int i = 0; i < 3; ++i)\n {\n g1VC[i] = IStoVC(texPos[i]);\n }\n vec3 posVC = IStoVC(pos);\n for (int i = 0; i < clip_numPlanes; ++i)\n {\n for (int j = 0; j < 3; ++j)\n {\n if(dot(vec3(vClipPlaneOrigins[i] - g1VC[j].xyz), vClipPlaneNormals[i]) > 0.0)\n {\n g1[j] = 0.0;\n }\n }\n }\n }\n#endif\n\n #ifdef vtkComputeNormalFromOpacity\n #ifdef vtkGradientOpacityOn\n vec4 computeDensityNormal(float gradientMag, vec3 scalarInterp[2])\n {\n #else\n //if gradient opacity not on but using density gradient\n vec4 computeDensityNormal(vec3 scalarInterp[2])\n {\n #endif\n vec3 opacityG1, opacityG2;\n opacityG1.x = texture2D(otexture, vec2(scalarInterp[0].x * oscale0 + oshift0, 0.5)).r;\n opacityG1.y = texture2D(otexture, vec2(scalarInterp[0].y * oscale0 + oshift0, 0.5)).r;\n opacityG1.z = texture2D(otexture, vec2(scalarInterp[0].z * oscale0 + oshift0, 0.5)).r;\n opacityG2.x = texture2D(otexture, vec2(scalarInterp[1].x * oscale0 + oshift0, 0.5)).r;\n opacityG2.y = texture2D(otexture, vec2(scalarInterp[1].y * oscale0 + oshift0, 0.5)).r;\n opacityG2.z = texture2D(otexture, vec2(scalarInterp[1].z * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n float gradOpacityFactor = 1.0f;\n if (gradientMag >= 0.0){\n gradOpacityFactor = computeGradientOpacityFactor(gradientMag, goscale0, goshift0, gomin0, gomax0);\n }\n opacityG1.xyz *= gradOpacityFactor;\n opacityG2.xyz *= gradOpacityFactor;\n #endif\n\n vec4 opacityG = vec4(opacityG1 - opacityG2, 1.0f);\n // divide by spacing\n opacityG.xyz /= vSpacing;\n opacityG.w = length(opacityG.xyz);\n // rotate to View Coords\n rotateToViewCoord(opacityG.xyz);\n if (length(opacityG.xyz) > 0.0) {\n return vec4(normalize(opacityG.xyz),opacityG.w);\n } else {\n return vec4(0.0);\n }\n }\n\n vec4 computeNormalForDensity(vec3 pos, vec3 tstep, out vec3 scalarInterp[2])\n {\n vec3 xvec = vec3(tstep.x, 0.0, 0.0);\n vec3 yvec = vec3(0.0, tstep.y, 0.0);\n vec3 zvec = vec3(0.0, 0.0, tstep.z);\n vec3 texPosPVec[3];\n texPosPVec[0] = pos + xvec;\n texPosPVec[1] = pos + yvec;\n texPosPVec[2] = pos + zvec;\n vec3 texPosNVec[3];\n texPosNVec[0] = pos - xvec;\n texPosNVec[1] = pos - yvec;\n texPosNVec[2] = pos - zvec;\n vec3 g1, g2;\n\n scalarInterp[0].x = getTextureValue(texPosPVec[0]).a;\n scalarInterp[0].y = getTextureValue(texPosPVec[1]).a;\n scalarInterp[0].z = getTextureValue(texPosPVec[2]).a;\n scalarInterp[1].x = getTextureValue(texPosNVec[0]).a;\n scalarInterp[1].y = getTextureValue(texPosNVec[1]).a;\n scalarInterp[1].z = getTextureValue(texPosNVec[2]).a;\n\n #ifdef vtkClippingPlanesOn\n adjustClippedVoxelValues(pos, texPosPVec, scalarInterp[0]);\n adjustClippedVoxelValues(pos, texPosNVec, scalarInterp[1]);\n #endif\n vec4 result;\n result.x = scalarInterp[0].x - scalarInterp[1].x;\n result.y = scalarInterp[0].y - scalarInterp[1].y;\n result.z = scalarInterp[0].z - scalarInterp[1].z;\n // divide by spacing\n result.xyz /= vSpacing;\n result.w = length(result.xyz);\n // rotate to View Coords\n rotateToViewCoord(result.xyz);\n if (length(result.xyz) > 0.0) {\n return vec4(normalize(result.xyz),result.w);\n } else {\n return vec4(0.0);\n }\n }\n #endif\n\n vec4 computeNormal(vec3 pos, vec3 tstep)\n {\n vec3 xvec = vec3(tstep.x, 0.0, 0.0);\n vec3 yvec = vec3(0.0, tstep.y, 0.0);\n vec3 zvec = vec3(0.0, 0.0, tstep.z);\n vec3 texPosPVec[3];\n texPosPVec[0] = pos + xvec;\n texPosPVec[1] = pos + yvec;\n texPosPVec[2] = pos + zvec;\n vec3 texPosNVec[3];\n texPosNVec[0] = pos - xvec;\n texPosNVec[1] = pos - yvec;\n texPosNVec[2] = pos - zvec;\n vec3 g1, g2;\n g1.x = getTextureValue(texPosPVec[0]).a;\n g1.y = getTextureValue(texPosPVec[1]).a;\n g1.z = getTextureValue(texPosPVec[2]).a;\n g2.x = getTextureValue(texPosNVec[0]).a;\n g2.y = getTextureValue(texPosNVec[1]).a;\n g2.z = getTextureValue(texPosNVec[2]).a;\n #ifdef vtkClippingPlanesOn\n adjustClippedVoxelValues(pos, texPosPVec, g1);\n adjustClippedVoxelValues(pos, texPosNVec, g2);\n #endif\n vec4 result;\n result = vec4(g1 - g2, -1.0);\n // divide by spacing\n result.xyz /= vSpacing;\n result.w = length(result.xyz);\n if (result.w > 0.0){\n // rotate to View Coords\n rotateToViewCoord(result.xyz);\n return vec4(normalize(result.xyz),result.w);\n } else {\n return vec4(0.0);\n }\n }\n#endif\n\n#ifdef vtkImageLabelOutlineOn\nvec3 fragCoordToIndexSpace(vec4 fragCoord) {\n vec4 pcPos = vec4(\n (fragCoord.x / vpWidth - vpOffsetX - 0.5) * 2.0,\n (fragCoord.y / vpHeight - vpOffsetY - 0.5) * 2.0,\n (fragCoord.z - 0.5) * 2.0,\n 1.0);\n\n vec4 worldCoord = PCWCMatrix * pcPos;\n vec4 vertex = (worldCoord/worldCoord.w);\n\n vec3 index = (vWCtoIDX * vertex).xyz;\n\n // half voxel fix for labelmapOutline\n return (index + vec3(0.5)) / vec3(volumeDimensions);\n}\n#endif\n\n//=======================================================================\n// compute the normals and gradient magnitudes for a position\n// for independent components\nmat4 computeMat4Normal(vec3 pos, vec4 tValue, vec3 tstep)\n{\n mat4 result;\n vec4 distX = getTextureValue(pos + vec3(tstep.x, 0.0, 0.0)) - tValue;\n vec4 distY = getTextureValue(pos + vec3(0.0, tstep.y, 0.0)) - tValue;\n vec4 distZ = getTextureValue(pos + vec3(0.0, 0.0, tstep.z)) - tValue;\n\n // divide by spacing\n distX /= vSpacing.x;\n distY /= vSpacing.y;\n distZ /= vSpacing.z;\n\n mat3 rot;\n rot[0] = vPlaneNormal0;\n rot[1] = vPlaneNormal2;\n rot[2] = vPlaneNormal4;\n\n#if !defined(vtkComponent0Proportional)\n result[0].xyz = vec3(distX.r, distY.r, distZ.r);\n result[0].a = length(result[0].xyz);\n result[0].xyz *= rot;\n if (result[0].w > 0.0)\n {\n result[0].xyz /= result[0].w;\n }\n#endif\n\n// optionally compute the 2nd component\n#if vtkNumComponents >= 2 && !defined(vtkComponent1Proportional)\n result[1].xyz = vec3(distX.g, distY.g, distZ.g);\n result[1].a = length(result[1].xyz);\n result[1].xyz *= rot;\n if (result[1].w > 0.0)\n {\n result[1].xyz /= result[1].w;\n }\n#endif\n\n// optionally compute the 3rd component\n#if vtkNumComponents >= 3 && !defined(vtkComponent2Proportional)\n result[2].xyz = vec3(distX.b, distY.b, distZ.b);\n result[2].a = length(result[2].xyz);\n result[2].xyz *= rot;\n if (result[2].w > 0.0)\n {\n result[2].xyz /= result[2].w;\n }\n#endif\n\n// optionally compute the 4th component\n#if vtkNumComponents >= 4 && !defined(vtkComponent3Proportional)\n result[3].xyz = vec3(distX.a, distY.a, distZ.a);\n result[3].a = length(result[3].xyz);\n result[3].xyz *= rot;\n if (result[3].w > 0.0)\n {\n result[3].xyz /= result[3].w;\n }\n#endif\n\n return result;\n}\n\n//=======================================================================\n// global shadow - secondary ray\n#if defined(VolumeShadowOn) || defined(localAmbientOcclusionOn)\nfloat random()\n{\n float rand = fract(sin(dot(gl_FragCoord.xy,vec2(12.9898,78.233)))*43758.5453123);\n float jitter=texture2D(jtexture,gl_FragCoord.xy/32.).r;\n uint pcg_state = floatBitsToUint(jitter);\n uint state = pcg_state;\n pcg_state = pcg_state * uint(747796405) + uint(2891336453);\n uint word = ((state >> ((state >> uint(28)) + uint(4))) ^ state) * uint(277803737);\n return (float((((word >> uint(22)) ^ word) >> 1 ))/float(2147483647) + rand)/2.0;\n}\n#endif\n\n#ifdef VolumeShadowOn\n// henyey greenstein phase function\nfloat phase_function(float cos_angle)\n{\n // divide by 2.0 instead of 4pi to increase intensity\n return ((1.0-anisotropy2)/pow(1.0+anisotropy2-2.0*anisotropy*cos_angle, 1.5))/2.0;\n}\n\n// Computes the intersection between a ray and a box\nstruct Hit\n{\n float tmin;\n float tmax;\n};\n\nstruct Ray\n{\n vec3 origin;\n vec3 dir;\n vec3 invDir;\n};\n\nbool BBoxIntersect(vec3 boundMin, vec3 boundMax, const Ray r, out Hit hit)\n{\n vec3 tbot = r.invDir * (boundMin - r.origin);\n vec3 ttop = r.invDir * (boundMax - r.origin);\n vec3 tmin = min(ttop, tbot);\n vec3 tmax = max(ttop, tbot);\n vec2 t = max(tmin.xx, tmin.yz);\n float t0 = max(t.x, t.y);\n t = min(tmax.xx, tmax.yz);\n float t1 = min(t.x, t.y);\n hit.tmin = t0;\n hit.tmax = t1;\n return t1 > max(t0,0.0);\n}\n\n// As BBoxIntersect requires the inverse of the ray coords,\n// this function is used to avoid numerical issues\nvoid safe_0_vector(inout Ray ray)\n{\n if(abs(ray.dir.x) < EPSILON) ray.dir.x = sign(ray.dir.x) * EPSILON;\n if(abs(ray.dir.y) < EPSILON) ray.dir.y = sign(ray.dir.y) * EPSILON;\n if(abs(ray.dir.z) < EPSILON) ray.dir.z = sign(ray.dir.z) * EPSILON;\n}\n\nfloat volume_shadow(vec3 posIS, vec3 lightDirNormIS)\n{\n float shadow = 1.0;\n float opacity = 0.0;\n\n // modify sample distance with a random number between 1.5 and 3.0\n float sampleDistanceISVS_jitter = sampleDistanceISVS * mix(1.5, 3.0, random());\n float opacityPrev = texture2D(otexture, vec2(getTextureValue(posIS).r * oscale0 + oshift0, 0.5)).r;\n\n // in case the first sample near surface has a very tiled light ray, we need to offset start position\n posIS += sampleDistanceISVS_jitter * lightDirNormIS;\n\n // compute the start and end points for the ray\n Ray ray;\n Hit hit;\n ray.origin = posIS;\n ray.dir = lightDirNormIS;\n safe_0_vector(ray);\n ray.invDir = 1.0/ray.dir;\n\n if(!BBoxIntersect(vec3(0.0),vec3(1.0), ray, hit))\n {\n return 1.0;\n }\n float maxdist = hit.tmax;\n\n // interpolate shadow ray length between: 1 unit of sample distance in IS to SQRT3, based on globalIlluminationReach\n float maxgi = mix(sampleDistanceISVS_jitter,SQRT3,giReach);\n maxdist = min(maxdist,maxgi);\n if(maxdist < EPSILON) {\n return 1.0;\n }\n\n // support gradient opacity\n #ifdef vtkGradientOpacityOn\n vec4 normal;\n #endif\n\n float current_dist = 0.0;\n float current_step = length(sampleDistanceISVS_jitter * lightDirNormIS);\n float clamped_step = 0.0;\n\n vec4 scalar = vec4(0.0);\n while(current_dist < maxdist)\n {\n#ifdef vtkClippingPlanesOn\n vec3 posVC = IStoVC(posIS);\n for (int i = 0; i < clip_numPlanes; ++i)\n {\n if (dot(vec3(vClipPlaneOrigins[i] - posVC), vClipPlaneNormals[i]) > 0.0)\n {\n current_dist = maxdist;\n }\n }\n#endif\n scalar = getTextureValue(posIS);\n opacity = texture2D(otexture, vec2(scalar.r * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n normal = computeNormal(posIS, vec3(1.0/vec3(volumeDimensions)));\n opacity *= computeGradientOpacityFactor(normal.w, goscale0, goshift0, gomin0, gomax0);\n #endif\n shadow *= 1.0 - opacity;\n\n // optimization: early termination\n if (shadow < EPSILON){\n return 0.0;\n }\n\n clamped_step = min(maxdist - current_dist, current_step);\n posIS += clamped_step * lightDirNormIS;\n current_dist += current_step;\n }\n\n return shadow;\n}\n\nvec3 applyShadowRay(vec3 tColor, vec3 posIS, vec3 viewDirectionVC)\n{\n vec3 vertLight = vec3(0.0);\n vec3 secondary_contrib = vec3(0.0);\n // here we assume only positional light, no effect of cones\n for (int i = 0; i < lightNum; i++)\n {\n #if(vtkLightComplexity==3)\n if (lightPositional[i] == 1){\n vertLight = lightPositionVC[i] - IStoVC(posIS);\n }else{\n vertLight = - lightDirectionVC[i];\n }\n #else\n vertLight = - lightDirectionVC[i];\n #endif\n // here we assume achromatic light, only intensity\n float dDotL = dot(viewDirectionVC, normalize(vertLight));\n // isotropic scatter returns 0.5 instead of 1/4pi to increase intensity\n float phase_attenuation = 0.5;\n if (abs(anisotropy) > EPSILON){\n phase_attenuation = phase_function(dDotL);\n }\n float vol_shadow = volume_shadow(posIS, normalize(rotateToIDX(vertLight)));\n secondary_contrib += tColor * vDiffuse * lightColor[i] * vol_shadow * phase_attenuation;\n secondary_contrib += tColor * vAmbient;\n }\n return secondary_contrib;\n}\n#endif\n\n//=======================================================================\n// local ambient occlusion\n#ifdef localAmbientOcclusionOn\nvec3 sample_direction_uniform(int i)\n{\n float rand = random() * 0.5;\n float theta = PI2 * (kernelSample[i][0] + rand);\n float phi = acos(2.0 * (kernelSample[i][1] + rand) -1.0) / 2.5;\n return normalize(vec3(cos(theta)*sin(phi), sin(theta)*sin(phi), cos(phi)));\n}\n\n// return a matrix that transform startDir into z axis; startDir should be normalized\nmat3 zBaseRotationalMatrix(vec3 startDir){\n vec3 axis = cross(startDir, vec3(0.0,0.0,1.0));\n float cosA = startDir.z;\n float k = 1.0 / (1.0 + cosA);\n mat3 matrix = mat3((axis.x * axis.x * k) + cosA, (axis.y * axis.x * k) - axis.z, (axis.z * axis.x * k) + axis.y,\n (axis.x * axis.y * k) + axis.z, (axis.y * axis.y * k) + cosA, (axis.z * axis.y * k) - axis.x,\n (axis.x * axis.z * k) - axis.y, (axis.y * axis.z * k) + axis.x, (axis.z * axis.z * k) + cosA);\n return matrix;\n}\n\nfloat computeLAO(vec3 posIS, float op, vec3 lightDir, vec4 normal){\n // apply LAO only at selected locations, otherwise return full brightness\n if (normal.w > 0.0 && op > 0.05){\n float total_transmittance = 0.0;\n mat3 inverseRotateBasis = inverse(zBaseRotationalMatrix(normalize(-normal.xyz)));\n vec3 currPos, randomDirStep;\n float weight, transmittance, opacity;\n for (int i = 0; i < kernelSize; i++)\n {\n randomDirStep = inverseRotateBasis * sample_direction_uniform(i) * sampleDistanceIS;\n weight = 1.0 - dot(normalize(lightDir), normalize(randomDirStep));\n currPos = posIS;\n transmittance = 1.0;\n for (int j = 0; j < kernelRadius ; j++){\n currPos += randomDirStep;\n // check if it's at clipping plane, if so return full brightness\n if (all(greaterThan(currPos, vec3(EPSILON))) && all(lessThan(currPos,vec3(1.0-EPSILON)))){\n opacity = texture2D(otexture, vec2(getTextureValue(currPos).r * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n opacity *= computeGradientOpacityFactor(normal.w, goscale0, goshift0, gomin0, gomax0);\n #endif\n transmittance *= 1.0 - opacity;\n }\n else{\n break;\n }\n }\n total_transmittance += transmittance / float(kernelRadius) * weight;\n\n // early termination if fully translucent\n if (total_transmittance > 1.0 - EPSILON){\n return 1.0;\n }\n }\n // average transmittance and reduce variance\n return clamp(total_transmittance / float(kernelSize), 0.3, 1.0);\n } else {\n return 1.0;\n }\n}\n#endif\n\n//=======================================================================\n// surface light contribution\n#if vtkLightComplexity > 0\n void applyLighting(inout vec3 tColor, vec4 normal)\n {\n vec3 diffuse = vec3(0.0, 0.0, 0.0);\n vec3 specular = vec3(0.0, 0.0, 0.0);\n float df, sf = 0.0;\n for (int i = 0; i < lightNum; i++){\n df = abs(dot(normal.rgb, -lightDirectionVC[i]));\n diffuse += df * lightColor[i];\n sf = pow( abs(dot(lightHalfAngleVC[i],normal.rgb)), vSpecularPower);\n specular += sf * lightColor[i];\n }\n tColor.rgb = tColor.rgb*(diffuse*vDiffuse + vAmbient) + specular*vSpecular;\n }\n #ifdef SurfaceShadowOn\n #if vtkLightComplexity < 3\n vec3 applyLightingDirectional(vec3 posIS, vec4 tColor, vec4 normal)\n {\n // everything in VC\n vec3 diffuse = vec3(0.0);\n vec3 specular = vec3(0.0);\n #ifdef localAmbientOcclusionOn\n vec3 ambient = vec3(0.0);\n #endif\n vec3 vertLightDirection;\n for (int i = 0; i < lightNum; i++){\n float ndotL,vdotR;\n vertLightDirection = lightDirectionVC[i];\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n }\n #ifdef localAmbientOcclusionOn\n return tColor.rgb * (diffuse * vDiffuse + vAmbient * ambient) + specular*vSpecular;\n #else\n return tColor.rgb * (diffuse * vDiffuse + vAmbient) + specular*vSpecular;\n #endif\n }\n #else\n vec3 applyLightingPositional(vec3 posIS, vec4 tColor, vec4 normal, vec3 posVC)\n {\n // everything in VC\n vec3 diffuse = vec3(0.0);\n vec3 specular = vec3(0.0);\n #ifdef localAmbientOcclusionOn\n vec3 ambient = vec3(0.0);\n #endif\n vec3 vertLightDirection;\n for (int i = 0; i < lightNum; i++){\n float distance,attenuation,ndotL,vdotR;\n vec3 lightDir;\n if (lightPositional[i] == 1){\n lightDir = lightDirectionVC[i];\n vertLightDirection = posVC - lightPositionVC[i];\n distance = length(vertLightDirection);\n vertLightDirection = normalize(vertLightDirection);\n attenuation = 1.0 / (lightAttenuation[i].x\n + lightAttenuation[i].y * distance\n + lightAttenuation[i].z * distance * distance);\n // per OpenGL standard cone angle is 90 or less for a spot light\n if (lightConeAngle[i] <= 90.0){\n float coneDot = dot(vertLightDirection, lightDir);\n if (coneDot >= cos(radians(lightConeAngle[i]))){ // if inside cone\n attenuation = attenuation * pow(coneDot, lightExponent[i]);\n }\n else {\n attenuation = 0.0;\n }\n }\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * attenuation * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * attenuation * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n } else {\n vertLightDirection = lightDirectionVC[i];\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n }\n }\n #ifdef localAmbientOcclusionOn\n return tColor.rgb * (diffuse * vDiffuse + vAmbient * ambient) + specular*vSpecular;\n #else\n return tColor.rgb * (diffuse * vDiffuse + vAmbient) + specular*vSpecular;\n #endif\n }\n #endif\n #endif\n#endif\n\n//=======================================================================\n// Given a texture value compute the color and opacity\n//\nvec4 getColorForValue(vec4 tValue, vec3 posIS, vec3 tstep)\n{\n#ifdef vtkImageLabelOutlineOn\n vec3 centerPosIS = fragCoordToIndexSpace(gl_FragCoord); // pos in texture space\n vec4 centerValue = getTextureValue(centerPosIS);\n bool pixelOnBorder = false;\n vec4 tColor = texture2D(ctexture, vec2(centerValue.r * cscale0 + cshift0, 0.5));\n\n // Get alpha of segment from opacity function.\n tColor.a = texture2D(otexture, vec2(centerValue.r * oscale0 + oshift0, 0.5)).r;\n\n int segmentIndex = int(centerValue.r * 255.0);\n \n // Use texture sampling for outlineThickness\n float textureCoordinate = float(segmentIndex - 1) / 1024.0;\n float textureValue = texture2D(ttexture, vec2(textureCoordinate, 0.5)).r;\n\n int actualThickness = int(textureValue * 255.0);\n\n if (actualThickness == 0) {\n return vec4(0, 0, 1, 1);\n }\n\n // Only perform outline check on fragments rendering voxels that aren't invisible.\n // Saves a bunch of needless checks on the background.\n // TODO define epsilon when building shader?\n if (float(tColor.a) > 0.01) {\n for (int i = -actualThickness; i <= actualThickness; i++) {\n for (int j = -actualThickness; j <= actualThickness; j++) {\n if (i == 0 || j == 0) {\n continue;\n }\n\n vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n gl_FragCoord.y + float(j),\n gl_FragCoord.z, gl_FragCoord.w);\n\n vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n vec4 value = getTextureValue(neighborPosIS);\n\n // If any of my neighbours are not the same value as I\n // am, this means I am on the border of the segment.\n // We can break the loops\n if (any(notEqual(value, centerValue))) {\n pixelOnBorder = true;\n break;\n }\n }\n\n if (pixelOnBorder == true) {\n break;\n }\n }\n\n // If I am on the border, I am displayed at full opacity\n if (pixelOnBorder == true) {\n tColor.a = outlineOpacity;\n }\n }\n\n#else\n // compute the normal and gradient magnitude if needed\n // We compute it as a vec4 if possible otherwise a mat4\n //\n vec4 goFactor = vec4(1.0,1.0,1.0,1.0);\n\n // compute the normal vectors as needed\n #if (vtkLightComplexity > 0) || defined(vtkGradientOpacityOn)\n #if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\n mat4 normalMat = computeMat4Normal(posIS, tValue, tstep);\n #if !defined(vtkComponent0Proportional)\n vec4 normal0 = normalMat[0];\n #endif\n #if !defined(vtkComponent1Proportional)\n vec4 normal1 = normalMat[1];\n #endif\n #if vtkNumComponents > 2\n #if !defined(vtkComponent2Proportional)\n vec4 normal2 = normalMat[2];\n #endif\n #if vtkNumComponents > 3\n #if !defined(vtkComponent3Proportional)\n vec4 normal3 = normalMat[3];\n #endif\n #endif\n #endif\n #else\n vec4 normalLight;\n #ifdef vtkComputeNormalFromOpacity\n vec3 scalarInterp[2];\n vec4 normal0 = computeNormalForDensity(posIS, tstep, scalarInterp);\n if (length(normal0)>0.0){\n #ifdef vtkGradientOpacityOn\n normalLight = computeDensityNormal(normal0.w, scalarInterp);\n #else\n normalLight = computeDensityNormal(scalarInterp);\n #endif\n if (length(normalLight) == 0.0){\n normalLight = normal0;\n }\n }\n #else\n vec4 normal0 = computeNormal(posIS, tstep);\n normalLight = normal0;\n #endif\n #endif\n #endif\n\n // compute gradient opacity factors as needed\n #if defined(vtkGradientOpacityOn)\n #if !defined(vtkComponent0Proportional)\n goFactor.x =\n computeGradientOpacityFactor(normal0.a, goscale0, goshift0, gomin0, gomax0);\n #endif\n #if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\n #if !defined(vtkComponent1Proportional)\n goFactor.y =\n computeGradientOpacityFactor(normal1.a, goscale1, goshift1, gomin1, gomax1);\n #endif\n #if vtkNumComponents > 2\n #if !defined(vtkComponent2Proportional)\n goFactor.z =\n computeGradientOpacityFactor(normal2.a, goscale2, goshift2, gomin2, gomax2);\n #endif\n #if vtkNumComponents > 3\n #if !defined(vtkComponent3Proportional)\n goFactor.w =\n computeGradientOpacityFactor(normal3.a, goscale3, goshift3, gomin3, gomax3);\n #endif\n #endif\n #endif\n #endif\n #endif\n\n // single component is always independent\n #if vtkNumComponents == 1\n vec4 tColor = texture2D(ctexture, vec2(tValue.r * cscale0 + cshift0, 0.5));\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n if (tColor.a < EPSILON){\n return vec4(0.0);\n }\n #endif\n\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n vec4 tColor = mix0*texture2D(ctexture, vec2(tValue.r * cscale0 + cshift0, height0));\n #if !defined(vtkComponent0Proportional)\n tColor.a = goFactor.x*mix0*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, height0)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, height0)).r;\n tColor *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix0));\n #endif\n\n vec3 tColor1 = mix1*texture2D(ctexture, vec2(tValue.g * cscale1 + cshift1, height1)).rgb;\n #if !defined(vtkComponent1Proportional)\n tColor.a += goFactor.y*mix1*texture2D(otexture, vec2(tValue.g * oscale1 + oshift1, height1)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.g * oscale1 + oshift1, height1)).r;\n tColor1 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix1));\n #endif\n\n #if vtkNumComponents >= 3\n vec3 tColor2 = mix2*texture2D(ctexture, vec2(tValue.b * cscale2 + cshift2, height2)).rgb;\n #if !defined(vtkComponent2Proportional)\n tColor.a += goFactor.z*mix2*texture2D(otexture, vec2(tValue.b * oscale2 + oshift2, height2)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.b * oscale2 + oshift2, height2)).r;\n tColor2 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix2));\n #endif\n\n #if vtkNumComponents >= 4\n vec3 tColor3 = mix3*texture2D(ctexture, vec2(tValue.a * cscale3 + cshift3, height3)).rgb;\n #if !defined(vtkComponent3Proportional)\n tColor.a += goFactor.w*mix3*texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, height3)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, height3)).r;\n tColor3 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix3));\n #endif\n #endif\n #endif\n #else // then not independent\n\n #if vtkNumComponents == 2\n float lum = tValue.r * cscale0 + cshift0;\n float alpha = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale1 + oshift1, 0.5)).r;\n vec4 tColor = vec4(lum, lum, lum, alpha);\n #endif\n #if vtkNumComponents == 3\n vec4 tColor;\n tColor.r = tValue.r * cscale0 + cshift0;\n tColor.g = tValue.g * cscale1 + cshift1;\n tColor.b = tValue.b * cscale2 + cshift2;\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale0 + oshift0, 0.5)).r;\n #endif\n #if vtkNumComponents == 4\n vec4 tColor;\n tColor.r = tValue.r * cscale0 + cshift0;\n tColor.g = tValue.g * cscale1 + cshift1;\n tColor.b = tValue.b * cscale2 + cshift2;\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, 0.5)).r;\n #endif\n #endif // dependent\n\n // apply lighting if requested as appropriate\n #if vtkLightComplexity > 0\n #if !defined(vtkComponent0Proportional)\n #if vtkNumComponents == 1\n #ifdef SurfaceShadowOn\n #if vtkLightComplexity < 3\n vec3 tColorS = applyLightingDirectional(posIS, tColor, normalLight);\n #else\n vec3 tColorS = applyLightingPositional(posIS, tColor, normalLight, IStoVC(posIS));\n #endif\n #endif\n\n #ifdef VolumeShadowOn\n vec3 tColorVS = applyShadowRay(tColor.rgb, posIS, rayDirVC);\n #ifdef SurfaceShadowOn\n float vol_coef = volumetricScatteringBlending * (1.0 - tColor.a / 2.0) * (1.0 - atan(normalLight.w) * INV4PI);\n tColor.rgb = (1.0-vol_coef) * tColorS + vol_coef * tColorVS;\n #else\n tColor.rgb = tColorVS;\n #endif\n #else\n tColor.rgb = tColorS;\n #endif\n\n #else\n applyLighting(tColor.rgb, normal0);\n #endif\n #endif\n\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n #if !defined(vtkComponent1Proportional)\n applyLighting(tColor1, normal1);\n #endif\n #if vtkNumComponents >= 3\n #if !defined(vtkComponent2Proportional)\n applyLighting(tColor2, normal2);\n #endif\n #if vtkNumComponents >= 4\n #if !defined(vtkComponent3Proportional)\n applyLighting(tColor3, normal3);\n #endif\n #endif\n #endif\n #endif\n #endif\n\n// perform final independent blend as needed\n#if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n tColor.rgb += tColor1;\n#if vtkNumComponents >= 3\n tColor.rgb += tColor2;\n#if vtkNumComponents >= 4\n tColor.rgb += tColor3;\n#endif\n#endif\n#endif\n\n#endif\nreturn tColor;\n}\n\nbool valueWithinScalarRange(vec4 val, vec4 min, vec4 max) {\n bool withinRange = false;\n #if vtkNumComponents == 1\n if (val.r >= min.r && val.r <= max.r) {\n withinRange = true;\n }\n #endif\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents == 2\n if (val.r >= min.r && val.r <= max.r &&\n val.g >= min.g && val.g <= max.g) {\n withinRange = true;\n }\n #endif\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 3\n if (all(greaterThanEqual(val, ipScalarRangeMin)) &&\n all(lessThanEqual(val, ipScalarRangeMax))) {\n withinRange = true;\n }\n #endif\n return withinRange;\n}\n\n//=======================================================================\n// Apply the specified blend mode operation along the ray's path.\n//\nvoid applyBlend(vec3 posIS, vec3 endIS, vec3 tdims)\n{\n vec3 tstep = 1.0/tdims;\n\n // start slightly inside and apply some jitter\n vec3 delta = endIS - posIS;\n vec3 stepIS = normalize(delta)*sampleDistanceIS;\n float raySteps = length(delta)/sampleDistanceIS;\n\n // avoid 0.0 jitter\n float jitter = 0.01 + 0.99*texture2D(jtexture, gl_FragCoord.xy/32.0).r;\n float stepsTraveled = jitter;\n\n // local vars for the loop\n vec4 color = vec4(0.0, 0.0, 0.0, 0.0);\n vec4 tValue;\n vec4 tColor;\n\n // if we have less than one step then pick the middle point\n // as our value\n // if (raySteps <= 1.0)\n // {\n // posIS = (posIS + endIS)*0.5;\n // }\n\n // Perform initial step at the volume boundary\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n #if vtkBlendMode == 0 // COMPOSITE_BLEND\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n\n // handle very thin volumes\n if (raySteps <= 1.0)\n {\n tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps);\n gl_FragData[0] = tColor;\n return;\n }\n\n tColor.a = 1.0 - pow(1.0 - tColor.a, jitter);\n color = vec4(tColor.rgb*tColor.a, tColor.a);\n posIS += (jitter*stepIS);\n\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n\n float mix = (1.0 - color.a);\n\n // this line should not be needed but nvidia seems to not handle\n // the break correctly on windows/chrome 58 angle\n //mix = mix * sign(max(raySteps - stepsTraveled - 1.0, 0.0));\n\n color = color + vec4(tColor.rgb*tColor.a, tColor.a)*mix;\n stepsTraveled++;\n posIS += stepIS;\n if (color.a > 0.99) { color.a = 1.0; break; }\n }\n\n if (color.a < 0.99 && (raySteps - stepsTraveled) > 0.0)\n {\n posIS = endIS;\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps - stepsTraveled);\n\n float mix = (1.0 - color.a);\n color = color + vec4(tColor.rgb*tColor.a, tColor.a)*mix;\n }\n\n gl_FragData[0] = vec4(color.rgb/color.a, color.a);\n #endif\n #if vtkBlendMode == 1 || vtkBlendMode == 2\n // MAXIMUM_INTENSITY_BLEND || MINIMUM_INTENSITY_BLEND\n // Find maximum/minimum intensity along the ray.\n\n // Define the operation we will use (min or max)\n #if vtkBlendMode == 1\n #define OP max\n #else\n #define OP min\n #endif\n\n // If the clipping range is shorter than the sample distance\n // we can skip the sampling loop along the ray.\n if (raySteps <= 1.0)\n {\n gl_FragData[0] = getColorForValue(tValue, posIS, tstep);\n return;\n }\n\n vec4 value = tValue;\n posIS += (jitter*stepIS);\n\n // Sample along the ray until MaximumSamplesValue,\n // ending slightly inside the total distance\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n // If we have reached the last step, break\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // Update the maximum value if necessary\n value = OP(tValue, value);\n\n // Otherwise, continue along the ray\n stepsTraveled++;\n posIS += stepIS;\n }\n\n // Perform the last step along the ray using the\n // residual distance\n posIS = endIS;\n tValue = getTextureValue(posIS);\n value = OP(tValue, value);\n\n // Now map through opacity and color\n gl_FragData[0] = getColorForValue(value, posIS, tstep);\n #endif\n #if vtkBlendMode == 3 || vtkBlendMode == 4 //AVERAGE_INTENSITY_BLEND || ADDITIVE_BLEND\n vec4 sum = vec4(0.);\n\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n sum += tValue;\n }\n\n if (raySteps <= 1.0) {\n gl_FragData[0] = getColorForValue(sum, posIS, tstep);\n return;\n }\n\n posIS += (jitter*stepIS);\n\n // Sample along the ray until MaximumSamplesValue,\n // ending slightly inside the total distance\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n // If we have reached the last step, break\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // One can control the scalar range by setting the AverageIPScalarRange to disregard scalar values, not in the range of interest, from the average computation.\n // Notes:\n // - We are comparing all values in the texture to see if any of them\n // are outside of the scalar range. In the future we might want to allow\n // scalar ranges for each component.\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n // Sum the values across each step in the path\n sum += tValue;\n }\n stepsTraveled++;\n posIS += stepIS;\n }\n\n // Perform the last step along the ray using the\n // residual distance\n posIS = endIS;\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // One can control the scalar range by setting the IPScalarRange to disregard scalar values, not in the range of interest, from the average computation\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n sum += tValue;\n\n stepsTraveled++;\n }\n\n #if vtkBlendMode == 3 // Average\n sum /= vec4(stepsTraveled, stepsTraveled, stepsTraveled, 1.0);\n #endif\n\n gl_FragData[0] = getColorForValue(sum, posIS, tstep);\n #endif\n #if vtkBlendMode == 5 // RADON\n float normalizedRayIntensity = 1.0;\n\n // handle very thin volumes\n if (raySteps <= 1.0)\n {\n tValue = getTextureValue(posIS);\n normalizedRayIntensity = normalizedRayIntensity - sampleDistance*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n gl_FragData[0] = texture2D(ctexture, vec2(normalizedRayIntensity, 0.5));\n return;\n }\n\n posIS += (jitter*stepIS);\n\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar value\n tValue = getTextureValue(posIS);\n\n // Convert scalar value to normalizedRayIntensity coefficient and accumulate normalizedRayIntensity\n normalizedRayIntensity = normalizedRayIntensity - sampleDistance*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n\n posIS += stepIS;\n stepsTraveled++;\n }\n\n // map normalizedRayIntensity to color\n gl_FragData[0] = texture2D(ctexture, vec2(normalizedRayIntensity , 0.5));\n\n #endif\n}\n\n//=======================================================================\n// Compute a new start and end point for a given ray based\n// on the provided bounded clipping plane (aka a rectangle)\nvoid getRayPointIntersectionBounds(\n vec3 rayPos, vec3 rayDir,\n vec3 planeDir, float planeDist,\n inout vec2 tbounds, vec3 vPlaneX, vec3 vPlaneY,\n float vSize1, float vSize2)\n{\n float result = dot(rayDir, planeDir);\n if (abs(result) < 1e-6)\n {\n return;\n }\n result = -1.0 * (dot(rayPos, planeDir) + planeDist) / result;\n vec3 xposVC = rayPos + rayDir*result;\n vec3 vxpos = xposVC - vOriginVC;\n vec2 vpos = vec2(\n dot(vxpos, vPlaneX),\n dot(vxpos, vPlaneY));\n\n // on some apple nvidia systems this does not work\n // if (vpos.x < 0.0 || vpos.x > vSize1 ||\n // vpos.y < 0.0 || vpos.y > vSize2)\n // even just\n // if (vpos.x < 0.0 || vpos.y < 0.0)\n // fails\n // so instead we compute a value that represents in and out\n //and then compute the return using this value\n float xcheck = max(0.0, vpos.x * (vpos.x - vSize1)); // 0 means in bounds\n float check = sign(max(xcheck, vpos.y * (vpos.y - vSize2))); // 0 means in bounds, 1 = out\n\n tbounds = mix(\n vec2(min(tbounds.x, result), max(tbounds.y, result)), // in value\n tbounds, // out value\n check); // 0 in 1 out\n}\n\n//=======================================================================\n// given a\n// - ray direction (rayDir)\n// - starting point (vertexVCVSOutput)\n// - bounding planes of the volume\n// - optionally depth buffer values\n// - far clipping plane\n// compute the start/end distances of the ray we need to cast\nvec2 computeRayDistances(vec3 rayDir, vec3 tdims)\n{\n vec2 dists = vec2(100.0*camFar, -1.0);\n\n vec3 vSize = vSpacing*tdims;\n\n // all this is in View Coordinates\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal0, vPlaneDistance0, dists, vPlaneNormal2, vPlaneNormal4,\n vSize.y, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal1, vPlaneDistance1, dists, vPlaneNormal2, vPlaneNormal4,\n vSize.y, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal2, vPlaneDistance2, dists, vPlaneNormal0, vPlaneNormal4,\n vSize.x, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal3, vPlaneDistance3, dists, vPlaneNormal0, vPlaneNormal4,\n vSize.x, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal4, vPlaneDistance4, dists, vPlaneNormal0, vPlaneNormal2,\n vSize.x, vSize.y);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal5, vPlaneDistance5, dists, vPlaneNormal0, vPlaneNormal2,\n vSize.x, vSize.y);\n\n //VTK::ClipPlane::Impl\n\n // do not go behind front clipping plane\n dists.x = max(0.0,dists.x);\n\n // do not go PAST far clipping plane\n float farDist = -camThick/rayDir.z;\n dists.y = min(farDist,dists.y);\n\n // Do not go past the zbuffer value if set\n // This is used for intermixing opaque geometry\n //VTK::ZBuffer::Impl\n\n return dists;\n}\n\n//=======================================================================\n// Compute the index space starting position (pos) and end\n// position\n//\nvoid computeIndexSpaceValues(out vec3 pos, out vec3 endPos, vec3 rayDir, vec2 dists)\n{\n // compute starting and ending values in volume space\n pos = vertexVCVSOutput + dists.x*rayDir;\n pos = pos - vOriginVC;\n // convert to volume basis and origin\n pos = vec3(\n dot(pos, vPlaneNormal0),\n dot(pos, vPlaneNormal2),\n dot(pos, vPlaneNormal4));\n\n endPos = vertexVCVSOutput + dists.y*rayDir;\n endPos = endPos - vOriginVC;\n endPos = vec3(\n dot(endPos, vPlaneNormal0),\n dot(endPos, vPlaneNormal2),\n dot(endPos, vPlaneNormal4));\n\n float delta = length(endPos - pos);\n\n pos *= vVCToIJK;\n endPos *= vVCToIJK;\n\n float delta2 = length(endPos - pos);\n sampleDistanceIS = sampleDistance*delta2/delta;\n #ifdef VolumeShadowOn\n sampleDistanceISVS = sampleDistanceIS * volumeShadowSamplingDistFactor;\n #endif\n}\n\nvoid main()\n{\n\n if (cameraParallel == 1)\n {\n // Camera is parallel, so the rayDir is just the direction of the camera.\n rayDirVC = vec3(0.0, 0.0, -1.0);\n } else {\n // camera is at 0,0,0 so rayDir for perspective is just the vc coord\n rayDirVC = normalize(vertexVCVSOutput);\n }\n\n vec3 tdims = vec3(volumeDimensions);\n\n // compute the start and end points for the ray\n vec2 rayStartEndDistancesVC = computeRayDistances(rayDirVC, tdims);\n\n // do we need to composite? aka does the ray have any length\n // If not, bail out early\n if (rayStartEndDistancesVC.y <= rayStartEndDistancesVC.x)\n {\n discard;\n }\n\n // IS = Index Space\n vec3 posIS;\n vec3 endIS;\n computeIndexSpaceValues(posIS, endIS, rayDirVC, rayStartEndDistancesVC);\n\n // Perform the blending operation along the ray\n applyBlend(posIS, endIS, tdims);\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let i=n.Fragment;o.getProperty().getInterpolationType()===el.LINEAR&&(i=Ca.substitute(i,"//VTK::TrilinearOn","#define vtkTrilinearOn").result),!0===o.getProperty().getUseLabelOutline()&&(i=Ca.substitute(i,"//VTK::ImageLabelOutlineOn","#define vtkImageLabelOutlineOn").result);const a=t.scalarTexture.getComponents();i=Ca.substitute(i,"//VTK::NumComponents",`#define vtkNumComponents ${a}`).result;const s=o.getProperty().getIndependentComponents();if(s){i=Ca.substitute(i,"//VTK::IndependentComponentsOn","#define vtkIndependentComponentsOn").result;const e=[];for(let t=0;t0&&(i=Ca.substitute(i,"//VTK::vtkProportionalComponents",e.join("\n")).result)}const l=t.currentInput.getSpatialExtent(),u=t.currentInput.getSpacing(),c=new Float64Array(3);jt(c,(l[1]-l[0])*u[0],(l[3]-l[2])*u[1],(l[5]-l[4])*u[2]);const d=Gt(c)/e.getCurrentSampleDistance(r);i=Ca.substitute(i,"//VTK::MaximumSamplesValue",`${Math.ceil(d)}`).result,i=Ca.substitute(i,"//VTK::LightComplexity",`#define vtkLightComplexity ${t.lastLightComplexity}`).result,t.lastLightComplexity>0&&(t.renderable.getVolumetricScatteringBlending()>0&&(i=Ca.substitute(i,"//VTK::VolumeShadowOn","#define VolumeShadowOn").result),t.renderable.getVolumetricScatteringBlending()<1&&(i=Ca.substitute(i,"//VTK::SurfaceShadowOn","#define SurfaceShadowOn").result),t.renderable.getLocalAmbientOcclusion()&&o.getProperty().getAmbient()>0&&(i=Ca.substitute(i,"//VTK::localAmbientOcclusionOn","#define localAmbientOcclusionOn").result)),t.gopacity=o.getProperty().getUseGradientOpacity(0);for(let e=1;s&&!t.gopacity&&e{if(0===t.lastLightComplexity)return;let o=e.Fragment,i=0;n.getLights().forEach((e=>{e.getSwitch()&&(i+=1)})),o=Ca.substitute(o,"//VTK::Light::Dec",["uniform int lightNum;","uniform bool twoSidedLighting;",`uniform vec3 lightColor[${i}];`,`uniform vec3 lightDirectionVC[${i}]; // normalized`,`uniform vec3 lightHalfAngleVC[${i}];`,"//VTK::Light::Dec"],!1).result,3===t.lastLightComplexity&&(o=Ca.substitute(o,"//VTK::Light::Dec",[`uniform vec3 lightPositionVC[${i}];`,`uniform vec3 lightAttenuation[${i}];`,`uniform float lightConeAngle[${i}];`,`uniform float lightExponent[${i}];`,`uniform int lightPositional[${i}];`],!1).result),t.renderable.getVolumetricScatteringBlending()>0&&(o=Ca.substitute(o,"//VTK::VolumeShadow::Dec",["uniform float volumetricScatteringBlending;","uniform float giReach;","uniform float volumeShadowSamplingDistFactor;","uniform float anisotropy;","uniform float anisotropy2;"],!1).result),t.renderable.getLocalAmbientOcclusion()&&r.getProperty().getAmbient()>0&&(o=Ca.substitute(o,"//VTK::LAO::Dec",["uniform int kernelRadius;",`uniform vec2 kernelSample[${t.renderable.getLAOKernelRadius()}];`,"uniform int kernelSize;"],!1).result),e.Fragment=o},e.replaceShaderClippingPlane=(e,n,r)=>{let o=e.Fragment;if(t.renderable.getClippingPlanes().length>0){const e=t.renderable.getClippingPlanes().length;o=Ca.substitute(o,"//VTK::ClipPlane::Dec",["uniform vec3 vClipPlaneNormals[6];","uniform float vClipPlaneDistances[6];","uniform vec3 vClipPlaneOrigins[6];","uniform int clip_numPlanes;","//VTK::ClipPlane::Dec","#define vtkClippingPlanesOn"],!1).result,o=Ca.substitute(o,"//VTK::ClipPlane::Impl",[`for(int i = 0; i < ${e}; i++) {`," float rayDirRatio = dot(rayDir, vClipPlaneNormals[i]);"," float equationResult = dot(vertexVCVSOutput, vClipPlaneNormals[i]) + vClipPlaneDistances[i];"," if (rayDirRatio == 0.0)"," {"," if (equationResult < 0.0) dists.x = dists.y;"," continue;"," }"," float result = -1.0 * equationResult / rayDirRatio;"," if (rayDirRatio < 0.0) dists.y = min(dists.y, result);"," else dists.x = max(dists.x, result);","}","//VTK::ClipPlane::Impl"],!1).result}e.Fragment=o},e.getNeedToRebuildShaders=(n,r,o)=>{let i=0;o.getProperty().getShade()&&t.renderable.getBlendMode()===rl.COMPOSITE_BLEND&&(i=0,t.numberOfLights=0,r.getLights().forEach((e=>{e.getSwitch()>0&&(t.numberOfLights++,0===i&&(i=1)),1===i&&(t.numberOfLights>1||1!==e.getIntensity()||!e.lightTypeIsHeadLight())&&(i=2),i<3&&e.getPositional()&&(i=3)})));let a=!1;t.lastLightComplexity!==i&&(t.lastLightComplexity=i,a=!0);const s=t.scalarTexture.getComponents(),l=o.getProperty().getIndependentComponents();let u=!1;const c=[];if(l){for(let e=0;e0&&(u=!0)}const d=t.currentInput.getSpatialExtent(),p=t.currentInput.getSpacing(),f=new Float64Array(3);jt(f,(d[1]-d[0])*p[0],(d[3]-d[2])*p[1],(d[5]-d[4])*p[2]);const h=Gt(f)/e.getCurrentSampleDistance(r),m={interpolationType:o.getProperty().getInterpolationType(),useLabelOutline:o.getProperty().getUseLabelOutline(),numComp:s,usesProportionalComponents:u,iComps:l,maxSamples:h,useGradientOpacity:o.getProperty().getUseGradientOpacity(0),blendMode:t.renderable.getBlendMode(),proportionalComponents:c};return t.previousState&&t.previousState.interpolationType===m.interpolationType&&t.previousState.useLabelOutline===m.useLabelOutline&&t.previousState.numComp===m.numComp&&t.previousState.usesProportionalComponents===m.usesProportionalComponents&&t.previousState.iComps===m.iComps&&t.previousState.maxSamples===m.maxSamples&&t.previousState.useGradientOpacity===m.useGradientOpacity&&t.previousState.blendMode===m.blendMode&&function(e,t){if(e.length!==t.length)return!1;for(let n=0;n{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o),e.getClippingPlaneShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const i=n.getProgram();n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(i.isAttributeUsed("vertexDC")&&(n.getVAO().addAttributeArray(i,n.getCABO(),"vertexDC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||al("Error setting vertexDC in shader VAO.")),n.getAttributeUpdateTime().modified()),i.setUniformi("texture1",t.scalarTexture.getTextureUnit()),i.setUniformf("sampleDistance",e.getCurrentSampleDistance(r));const a=t.scalarTexture.getVolumeInfo(),s=t.renderable.getIpScalarRange(),l=[],u=[];for(let e=0;e<4;e++)l[e]=s[0]*a.dataComputedScale[e]+a.dataComputedOffset[e],u[e]=s[1]*a.dataComputedScale[e]+a.dataComputedOffset[e],l[e]=(l[e]-a.offset[e])/a.scale[e],u[e]=(u[e]-a.offset[e])/a.scale[e];if(i.setUniform4f("ipScalarRangeMin",l[0],l[1],l[2],l[3]),i.setUniform4f("ipScalarRangeMax",u[0],u[1],u[2],u[3]),null!==t.zBufferTexture){i.setUniformi("zBufferTexture",t.zBufferTexture.getTextureUnit());const e=t._useSmallViewport?[t._smallViewportWidth,t._smallViewportHeight]:t._openGLRenderWindow.getFramebufferSize();i.setUniformf("vpZWidth",e[0]),i.setUniformf("vpZHeight",e[1])}},e.setCameraShaderParameters=(n,r,o)=>{const i=t.openGLCamera.getKeyMatrices(r),a=t.openGLVolume.getKeyMatrices();y(t.modelToView,i.wcvc,a.mcwc);const s=n.getProgram(),l=t.openGLCamera.getRenderable(),u=l.getClippingRange();s.setUniformf("camThick",u[1]-u[0]),s.setUniformf("camNear",u[0]),s.setUniformf("camFar",u[1]);const c=t.currentInput.getBounds(),d=t.currentInput.getDimensions(),p=new Float64Array(3),f=new Float64Array(3);let h=1,g=-1,v=1,b=-1;for(let e=0;e<8;++e)jt(p,c[e%2],c[2+Math.floor(e/2)%2],c[4+Math.floor(e/4)]),Yt(p,p,t.modelToView),l.getParallelProjection()||(Kt(f,p),Ht(p,f,-u[0]/p[2])),Yt(p,p,i.vcpc),h=Math.min(p[0],h),g=Math.max(p[0],g),v=Math.min(p[1],v),b=Math.max(p[1],b);s.setUniformf("dcxmin",h),s.setUniformf("dcxmax",g),s.setUniformf("dcymin",v),s.setUniformf("dcymax",b),s.isUniformUsed("cameraParallel")&&s.setUniformi("cameraParallel",l.getParallelProjection());const x=t.currentInput.getSpatialExtent(),_=t.currentInput.getSpacing(),T=new Float64Array(3);jt(T,(x[1]-x[0])*_[0],(x[3]-x[2])*_[1],(x[5]-x[4])*_[2]),s.setUniform3f("vSpacing",_[0],_[1],_[2]),jt(p,x[0],x[2],x[4]),t.currentInput.indexToWorldVec3(p,p),Yt(p,p,t.modelToView),s.setUniform3f("vOriginVC",p[0],p[1],p[2]);const S=t.currentInput.getIndexToWorld();y(t.idxToView,t.modelToView,S),le(t.idxNormalMatrix,i.normalMatrix,a.normalMatrix),le(t.idxNormalMatrix,t.idxNormalMatrix,t.currentInput.getDirectionByReference());const w=Gt(T)/e.getCurrentSampleDistance(r);w>t.renderable.getMaximumSamplesPerRay()&&il(`The number of steps required ${Math.ceil(w)} is larger than the\n specified maximum number of steps ${t.renderable.getMaximumSamplesPerRay()}.\n Please either change the\n volumeMapper sampleDistance or its maximum number of samples.`);const C=new Float64Array(3);if(jt(C,1,1,1),function(e,t,n){e[0]=t[0]/n[0],e[1]=t[1]/n[1],e[2]=t[2]/n[2]}(C,C,T),s.setUniform3f("vVCToIJK",C[0],C[1],C[2]),s.setUniform3i("volumeDimensions",d[0],d[1],d[2]),!t._openGLRenderWindow.getWebgl2()){const e=t.scalarTexture.getVolumeInfo();s.setUniformf("texWidth",t.scalarTexture.getWidth()),s.setUniformf("texHeight",t.scalarTexture.getHeight()),s.setUniformi("xreps",e.xreps),s.setUniformi("xstride",e.xstride),s.setUniformi("ystride",e.ystride)}const A=new Float64Array(3),E=new Float64Array(3);for(let e=0;e<6;++e){switch(e){case 1:jt(A,-1,0,0),jt(E,x[0],x[2],x[4]);break;case 2:jt(A,0,1,0),jt(E,x[1],x[3],x[5]);break;case 3:jt(A,0,-1,0),jt(E,x[0],x[2],x[4]);break;case 4:jt(A,0,0,1),jt(E,x[1],x[3],x[5]);break;case 5:jt(A,0,0,-1),jt(E,x[0],x[2],x[4]);break;default:jt(A,1,0,0),jt(E,x[1],x[3],x[5])}Jt(A,A,t.idxNormalMatrix),Yt(E,E,t.idxToView);const n=-1*qt(E,A);s.setUniform3f(`vPlaneNormal${e}`,A[0],A[1],A[2]),s.setUniformf(`vPlaneDistance${e}`,n)}if(o.getProperty().getUseLabelOutline()){const n=t.currentInput.getWorldToIndex();s.setUniformMatrix("vWCtoIDX",n);const o=r.getActiveCamera(),[i,a]=o.getClippingRange(),l=o.getDistance();o.setClippingRange(l,l+.1);const u=t.openGLCamera.getKeyMatrices(r);m(t.projectionToWorld,u.wcpc),o.setClippingRange(i,a),t.openGLCamera.getKeyMatrices(r),s.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const c=e.getRenderTargetSize();s.setUniformf("vpWidth",c[0]),s.setUniformf("vpHeight",c[1]);const d=e.getRenderTargetOffset();s.setUniformf("vpOffsetX",d[0]/c[0]),s.setUniformf("vpOffsetY",d[1]/c[1])}if(m(t.projectionToView,i.vcpc),s.setUniformMatrix("PCVCMatrix",t.projectionToView),0===t.lastLightComplexity)return;let D=0;const I=[],O=[],P=[];if(r.getLights().forEach((e=>{if(e.getSwitch()>0){const t=e.getColor(),n=e.getIntensity();I[0+3*D]=t[0]*n,I[1+3*D]=t[1]*n,I[2+3*D]=t[2]*n;const r=e.getDirection();jt(A,r[0],r[1],r[2]),Jt(A,A,i.normalMatrix),Kt(A,A),O[0+3*D]=A[0],O[1+3*D]=A[1],O[2+3*D]=A[2],P[0+3*D]=-.5*A[0],P[1+3*D]=-.5*A[1],P[2+3*D]=-.5*(A[2]-1),D++}})),s.setUniformi("twoSidedLighting",r.getTwoSidedLighting()),s.setUniformi("lightNum",D),s.setUniform3fv("lightColor",I),s.setUniform3fv("lightDirectionVC",O),s.setUniform3fv("lightHalfAngleVC",P),3===t.lastLightComplexity){D=0;const e=[],n=[],o=[],i=[],a=[];r.getLights().forEach((r=>{if(r.getSwitch()>0){const s=r.getAttenuationValues();n[0+3*D]=s[0],n[1+3*D]=s[1],n[2+3*D]=s[2],i[D]=r.getExponent(),o[D]=r.getConeAngle(),a[D]=r.getPositional();const l=r.getTransformedPosition();Yt(l,l,t.modelToView),e[0+3*D]=l[0],e[1+3*D]=l[1],e[2+3*D]=l[2],D+=1}})),s.setUniform3fv("lightPositionVC",e),s.setUniform3fv("lightAttenuation",n),s.setUniformfv("lightConeAngle",o),s.setUniformfv("lightExponent",i),s.setUniformiv("lightPositional",a)}if(t.renderable.getVolumetricScatteringBlending()>0&&(s.setUniformf("giReach",t.renderable.getGlobalIlluminationReach()),s.setUniformf("volumetricScatteringBlending",t.renderable.getVolumetricScatteringBlending()),s.setUniformf("volumeShadowSamplingDistFactor",t.renderable.getVolumeShadowSamplingDistFactor()),s.setUniformf("anisotropy",t.renderable.getAnisotropy()),s.setUniformf("anisotropy2",t.renderable.getAnisotropy()**2)),t.renderable.getLocalAmbientOcclusion()&&o.getProperty().getAmbient()>0){const e=t.renderable.getLAOKernelSize();s.setUniformi("kernelSize",e);const n=[];for(let t=0;t{const o=e.getProgram();o.setUniformi("ctexture",t.colorTexture.getTextureUnit()),o.setUniformi("otexture",t.opacityTexture.getTextureUnit()),o.setUniformi("jtexture",t.jitterTexture.getTextureUnit()),o.setUniformi("ttexture",t.labelOutlineThicknessTexture.getTextureUnit());const i=t.scalarTexture.getVolumeInfo(),a=r.getProperty(),s=t.scalarTexture.getComponents(),l=r.getProperty().getIndependentComponents();if(l&&s>=2)for(let e=0;e0&&(o.setUniformf("vAmbient",a.getAmbient()),o.setUniformf("vDiffuse",a.getDiffuse()),o.setUniformf("vSpecular",a.getSpecular()),o.setUniformf("vSpecularPower",a.getSpecularPower()))},e.getClippingPlaneShaderParameters=(e,n,r)=>{if(t.renderable.getClippingPlanes().length>0){const r=t.openGLCamera.getKeyMatrices(n),o=[],i=[],a=[],s=t.renderable.getClippingPlanes(),l=s.length;for(let e=0;e{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.getRenderTargetSize=()=>{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getCurrentSampleDistance=e=>{const n=e.getVTKWindow().getInteractor(),r=t.renderable.getSampleDistance();return n.isAnimating()?r*t.renderable.getInteractionSampleDistanceFactor():r},e.renderPieceStart=(n,r)=>{const o=n.getVTKWindow().getInteractor();if(t._lastScale||(t._lastScale=t.renderable.getInitialInteractionScale()),t._useSmallViewport=!1,o.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._animationRateSubscription||(t._animationRateSubscription=o.onAnimationFrameRateUpdate((()=>{if(t.renderable.getAutoAdjustSampleDistances()){const e=o.getRecentAnimationFrameRate(),n=o.getDesiredUpdateRate()/e;(n>1.15||n<.85)&&(t._lastScale*=n),t._lastScale>400&&(t._lastScale=400),t._lastScale<1.5&&(t._lastScale=1.5)}else t._lastScale=t.renderable.getImageSampleDistance()*t.renderable.getImageSampleDistance()}))),t._useSmallViewport){const e=t._openGLRenderWindow.getFramebufferSize(),n=1/Math.sqrt(t._lastScale);if(t._smallViewportWidth=Math.ceil(n*e[0]),t._smallViewportHeight=Math.ceil(n*e[1]),t._smallViewportHeight>e[1]&&(t._smallViewportHeight=e[1]),t._smallViewportWidth>e[0]&&(t._smallViewportWidth=e[0]),t.framebuffer.saveCurrentBindingsAndBuffers(),null===t.framebuffer.getGLFramebuffer())t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer();else{const n=t.framebuffer.getSize();n[0]===e[0]&&n[1]===e[1]||(t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer())}t.framebuffer.bind();const r=t.context;r.clearColor(0,0,0,0),r.colorMask(!0,!0,!0,!0),r.clear(r.COLOR_BUFFER_BIT),r.viewport(0,0,t._smallViewportWidth,t._smallViewportHeight),t.fvp=[t._smallViewportWidth/e[0],t._smallViewportHeight/e[1]]}t.context.disable(t.context.DEPTH_TEST),e.updateBufferObjects(n,r),r.getProperty().getInterpolationType()===el.NEAREST?(t.scalarTexture.setMinificationFilter(Qa.NEAREST),t.scalarTexture.setMagnificationFilter(Qa.NEAREST)):(t.scalarTexture.setMinificationFilter(Qa.LINEAR),t.scalarTexture.setMagnificationFilter(Qa.LINEAR)),t.lastBoundBO=null,null!==t.zBufferTexture&&t.zBufferTexture.activate()},e.renderPieceDraw=(n,r)=>{const o=t.context;t.scalarTexture.activate(),t.opacityTexture.activate(),t.labelOutlineThicknessTexture.activate(),t.colorTexture.activate(),t.jitterTexture.activate(),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.scalarTexture.deactivate(),t.colorTexture.deactivate(),t.opacityTexture.deactivate(),t.labelOutlineThicknessTexture.deactivate(),t.jitterTexture.deactivate()},e.renderPieceFinish=(e,n)=>{if(null!==t.zBufferTexture&&t.zBufferTexture.deactivate(),t._useSmallViewport){if(t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader){t.copyShader=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","uniform vec2 tfactor;","varying vec2 tcoord;","void main() { tcoord = vec2(vertexDC.x*0.5 + 0.5, vertexDC.y*0.5 + 0.5) * tfactor; gl_Position = vertexDC; }"].join("\n"),["//VTK::System::Dec","//VTK::Output::Dec","uniform sampler2D texture1;","varying vec2 tcoord;","void main() { gl_FragData[0] = texture2D(texture1,tcoord); }"].join("\n"),"");const e=t.copyShader;t.copyVAO=Ia.newInstance(),t.copyVAO.setOpenGLRenderWindow(t._openGLRenderWindow),t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(e,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||al("Error setting vertexDC in copy shader VAO.")}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(t.copyShader);const e=t._openGLRenderWindow.getFramebufferSize();t.context.viewport(0,0,e[0],e[1]);const n=t.framebuffer.getColorTexture();n.activate(),t.copyShader.setUniformi("texture",n.getTextureUnit()),t.copyShader.setUniform2f("tfactor",t.fvp[0],t.fvp[1]);const r=t.context;r.blendFuncSeparate(r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA),t.context.drawArrays(t.context.TRIANGLES,0,t.tris.getCABO().getElementCount()),n.deactivate(),r.blendFuncSeparate(r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):al("No input!")},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():yr(t.Bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const o=t.currentInput;if(!o)return;const i=o.getPointData()&&o.getPointData().getScalars();if(!i)return;t._scalars!==i&&(t._openGLRenderWindow.releaseGraphicsResourcesForObject(t._scalars),t._scalars=i);const a=r.getProperty();if(!t.jitterTexture.getHandle()){const e=new Uint8Array(1024);for(let t=0;t<1024;++t)e[t]=255*Math.random();t.jitterTexture.setMinificationFilter(Qa.LINEAR),t.jitterTexture.setMagnificationFilter(Qa.LINEAR),t.jitterTexture.create2DFromRaw(32,32,1,on.UNSIGNED_CHAR,e)}const s=i.getNumberOfComponents(),l=a.getIndependentComponents()?s:1,u=a.getScalarOpacity(),c=t._openGLRenderWindow.getGraphicsResourceForObject(u);let d=sl(a,u,l);if(c.vtkObj&&c.hash===d&&t.opacityTextureString===d)t.opacityTexture=c.vtkObj,t.opacityTextureString=c.hash;else{const r=1024,o=2*r*l,i=new Float32Array(o),s=new Float32Array(r);for(let t=0;t1?1:-1,e[3*t+2]=-1;const n=new Uint16Array(8);n[0]=3,n[1]=0,n[2]=1,n[3]=3,n[4]=3,n[5]=0,n[6]=3,n[7]=2;const r=Wr.newInstance({numberOfComponents:3,values:e});r.setName("points");const o=Wr.newInstance({numberOfComponents:1,values:n});t.tris.getCABO().createVBO(o,"polys",ua.SURFACE,{points:r,cellOffset:0})}t.VBOBuildTime.modified()},e.updateLabelOutlineThicknessTexture=e=>{const n=e.getProperty().getLabelOutlineThickness(),r=t._openGLRenderWindow.getGraphicsResourceForObject(n),o=`${n.join("-")}`;if(r?.vtkObj&&r?.hash===o&&t.labelOutlineThicknessTextureString===o)t.labelOutlineThicknessTexture=r.vtkObj,t.labelOutlineThicknessTextureString=r.hash;else{const e=1024,r=1,i=new Uint8Array(e*r);for(let t=0;t2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ul,n),Tt.extend(e,t,n),t.VBOBuildTime={},je(t.VBOBuildTime,{mtime:0}),t.tris=Ra.newInstance(),t.scalarTexture=hs.newInstance(),t.opacityTexture=hs.newInstance(),t.colorTexture=hs.newInstance(),t.jitterTexture=hs.newInstance(),t.jitterTexture.setWrapS(Ja.REPEAT),t.jitterTexture.setWrapT(Ja.REPEAT),t.labelOutlineThicknessTexture=hs.newInstance(),t.framebuffer=Zs.newInstance(),t.idxToView=f(new Float64Array(16)),t.idxNormalMatrix=ae(new Float64Array(9)),t.modelToView=f(new Float64Array(16)),t.projectionToView=f(new Float64Array(16)),t.projectionToWorld=f(new Float64Array(16)),$e(e,t,["context"]),ll(e,t)}),"vtkOpenGLVolumeMapper");Dt("vtkVolumeMapper",cl);const{vtkDebugMacro:dl}=vt;function pl(e,t){t.classHierarchy.push("vtkOpenGLPixelSpaceCallbackMapper"),e.opaquePass=(n,r)=>{t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent();const o=t._openGLRenderer.getAspectRatio(),i=t._openGLRenderer?t._openGLRenderer.getRenderable().getActiveCamera():null,a=t._openGLRenderer.getTiledSizeAndOrigin();let s=null;if(t.renderable.getUseZValues()){const e=r.getZBufferTexture(),n=Math.floor(e.getWidth()),o=Math.floor(e.getHeight()),i=t._openGLRenderWindow.getContext();e.bind();const a=r.getFramebuffer();a?a.saveCurrentBindingsAndBuffers():dl("No framebuffer to save/restore");const l=i.createFramebuffer();i.bindFramebuffer(i.FRAMEBUFFER,l),i.framebufferTexture2D(i.FRAMEBUFFER,i.COLOR_ATTACHMENT0,i.TEXTURE_2D,e.getHandle(),0),i.checkFramebufferStatus(i.FRAMEBUFFER)===i.FRAMEBUFFER_COMPLETE&&(s=new Uint8Array(n*o*4),i.viewport(0,0,n,o),i.readPixels(0,0,n,o,i.RGBA,i.UNSIGNED_BYTE,s)),a&&a.restorePreviousBindingsAndBuffers(),i.deleteFramebuffer(l)}t.renderable.invokeCallback(t.renderable.getInputData(),i,o,a,s)},e.queryPass=(e,n)=>{e&&t.renderable.getUseZValues()&&n.requestDepth()}}const fl={};const hl=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,fl,n),Tt.extend(e,t,n),pl(e,t)}),"vtkOpenGLPixelSpaceCallbackMapper");Dt("vtkPixelSpaceCallbackMapper",hl);const ml=Object.create(null);function gl(e,t){ml[e]=t}function vl(e,t){t.classHierarchy.push("vtkWebGPUViewNodeFactory")}const yl={};function bl(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,yl,n),t.overrides=ml,At.extend(e,t,n),vl(0,t)}var xl={newInstance:gt.newInstance(bl,"vtkWebGPUViewNodeFactory"),extend:bl};function _l(e,t){t.classHierarchy.push("vtkWebGPUCamera"),e.getProjectionMatrix=(e,n,r,o)=>{if(f(e),t.renderable.getParallelProjection()){const i=t.renderable.getParallelScale(),a=i*n,s=i,l=(o[0]-1)*a,u=(o[0]+1)*a,c=(o[1]-1)*s,d=(o[1]+1)*s,p=1/(u-l),f=1/(d-c);e[0]=2*p,e[5]=2*f,e[10]=1/(r[1]-r[0]),e[12]=(u+l)*p,e[13]=(d+c)*f,e[14]=r[1]/(r[1]-r[0])}else{const i=Math.tan(Math.PI*t.renderable.getViewAngle()/360);let a,s;!0===t.renderable.getUseHorizontalViewAngle()?(a=r[0]*i,s=r[0]*i/n):(a=r[0]*i*n,s=r[0]*i);const l=(o[0]-1)*a,u=(o[0]+1)*a,c=(o[1]-1)*s,d=(o[1]+1)*s;e[0]=2*r[0]/(u-l),e[5]=2*r[0]/(d-c),e[12]=(l+u)/(u-l),e[13]=(c+d)/(d-c),e[10]=0,e[14]=r[0],e[11]=-1,e[15]=0}},e.convertToOpenGLDepth=e=>{if(t.renderable.getParallelProjection())return 1-e;const n=t.renderable.getClippingRangeByReference();let r=-n[0]/e;return 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lu(e,t){t.classHierarchy.push("vtkWebGPUFullScreenQuad"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position"),r.addOutput("vec4","vertexVC");let o=r.getCode();o=Fl.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4(vertexBC, 1.0);","output.vertexVC = vec4(vertexBC, 1);"]).result,r.setCode(o)},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.updateBuffers=()=>{const e=t.device.getBufferManager().getFullScreenQuadBuffer();t.vertexInput.addBuffer(e,["vertexBC"]),t.numberOfVertices=6}}const uu={};function cu(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uu,n),su.extend(e,t,n),lu(e,t)}var du={newInstance:gt.newInstance(cu,"vtkWebGPUFullScreenQuad"),extend:cu},pu={BufferUsage:{Verts:0,Lines:1,Triangles:2,Strips:3,LinesFromStrips:4,LinesFromTriangles:5,Points:6,UniformArray:7,PointArray:8,NormalsFromPoints:9,Texture:10,RawVertex:11,Storage:12,Index:13},PrimitiveTypes:{Start:0,Points:0,Lines:1,Triangles:2,TriangleStrips:3,TriangleEdges:4,TriangleStripEdges:5,End:6}};const fu=["getMappedRange","mapAsync","unmap"];function hu(e,t){t.classHierarchy.push("vtkWebGPUBuffer"),e.create=(e,n)=>{t.handle=t.device.getHandle().createBuffer({size:e,usage:n,label:t.label}),t.sizeInBytes=e,t.usage=n},e.write=e=>{!function(e,t,n,r){const o=r.byteLength,i=e.createBuffer({size:o,usage:GPUBufferUsage.COPY_SRC,mappedAtCreation:!0}),a=i.getMappedRange(0,o);new Uint8Array(a).set(new Uint8Array(r)),i.unmap();const s=e.createCommandEncoder();s.copyBufferToBuffer(i,0,t,0,o);const l=s.finish();e.queue.submit([l]),i.destroy()}(t.device.getHandle(),t.handle,0,e.buffer)},e.createAndWrite=(e,n)=>{t.handle=t.device.getHandle().createBuffer({size:e.byteLength,usage:n,mappedAtCreation:!0,label:t.label}),t.sizeInBytes=e.byteLength,t.usage=n,new Uint8Array(t.handle.getMappedRange()).set(new Uint8Array(e.buffer)),t.handle.unmap()};for(let n=0;n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,mu,n),gt.obj(e,t),gt.get(e,t,["handle","sizeInBytes","usage"]),gt.setGet(e,t,["strideInBytes","device","arrayInformation","label","sourceTime"]),hu(e,t)}var vu={newInstance:gt.newInstance(gu),extend:gu,...pu};const{Representation:yu,Interpolation:bu}=ca;function xu(e){return()=>gt.vtkErrorMacro(`vtkProperty::${e} - NOT IMPLEMENTED`)}function _u(e,t){t.classHierarchy.push("vtkProperty"),e.setColor=(n,r,o)=>{Array.isArray(n)?t.color[0]===n[0]&&t.color[1]===n[1]&&t.color[2]===n[2]||(t.color[0]=n[0],t.color[1]=n[1],t.color[2]=n[2],e.modified()):t.color[0]===n&&t.color[1]===r&&t.color[2]===o||(t.color[0]=n,t.color[1]=r,t.color[2]=o,e.modified()),e.setDiffuseColor(t.color),e.setAmbientColor(t.color),e.setSpecularColor(t.color)},e.computeCompositeColor=xu("ComputeCompositeColor"),e.getColor=()=>{let e=0;t.ambient+t.diffuse+t.specular>0&&(e=1/(t.ambient+t.diffuse+t.specular));for(let n=0;n<3;n++)t.color[n]=e*(t.ambient*t.ambientColor[n]+t.diffuse*t.diffuseColor[n]+t.specular*t.specularColor[n]);return[].concat(t.color)},e.setSpecularPower=n=>{const r=1/Math.max(1,n);t.roughness===r&&t.specularPower===n||(t.specularPower=n,t.roughness=r,e.modified())},e.addShaderVariable=xu("AddShaderVariable"),e.setInterpolationToFlat=()=>e.setInterpolation(bu.FLAT),e.setInterpolationToGouraud=()=>e.setInterpolation(bu.GOURAUD),e.setInterpolationToPhong=()=>e.setInterpolation(bu.PHONG),e.getInterpolationAsString=()=>gt.enumToString(bu,t.interpolation),e.setRepresentationToWireframe=()=>e.setRepresentation(yu.WIREFRAME),e.setRepresentationToSurface=()=>e.setRepresentation(yu.SURFACE),e.setRepresentationToPoints=()=>e.setRepresentation(yu.POINTS),e.getRepresentationAsString=()=>gt.enumToString(yu,t.representation)}const Tu={color:[1,1,1],ambientColor:[1,1,1],diffuseColor:[1,1,1],specularColor:[1,1,1],edgeColor:[0,0,0],ambient:0,diffuse:1,metallic:0,roughness:.6,normalStrength:1,emission:1,baseIOR:1.45,specular:0,specularPower:1,opacity:1,interpolation:bu.GOURAUD,representation:yu.SURFACE,edgeVisibility:!1,backfaceCulling:!1,frontfaceCulling:!1,pointSize:1,lineWidth:1,lighting:!0,shading:!1,materialName:null};function Su(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Tu,n),gt.obj(e,t),gt.setGet(e,t,["lighting","interpolation","ambient","diffuse","metallic","roughness","normalStrength","emission","baseIOR","specular","specularPower","opacity","edgeVisibility","lineWidth","pointSize","backfaceCulling","frontfaceCulling","representation","diffuseTexture","metallicTexture","roughnessTexture","normalTexture","ambientOcclusionTexture","emissionTexture"]),gt.setGetArray(e,t,["ambientColor","specularColor","diffuseColor","edgeColor"],3),_u(e,t)}var wu={newInstance:gt.newInstance(Su,"vtkProperty"),extend:Su,...ca};const{Representation:Cu}=wu,{PrimitiveTypes:Au}=pu;class Eu{constructor(){this.keys=new Uint32Array(10),this.values=new Uint32Array(10),this.count=0}clear(){this.count=0}has(e){for(let t=0;t2)for(let i=0;i2){for(let i=0;i{const n=e.cells,r=e.primitiveType,o=e.representation,i=e.cellOffset,a=n.getData(),s=a.length,l=function(e){switch(e){case Au.Points:return"points";case Au.Lines:return"lines";case Au.Triangles:case Au.TriangleEdges:return"polys";case Au.TriangleStripEdges:case Au.TriangleStrips:return"strips";default:return""}}(r),u=e.numberOfPoints,c={provokedPointIds:new Uint8Array(u),extraPoints:0,iboSize:0,flatId:0,iboId:0,cellProvokedMap:new Eu};let d=null;d=o===Cu.POINTS||r===Au.Points?Fu.anythingToPoints:o===Cu.WIREFRAME||r===Au.Lines?Fu[`${l}ToWireframe`]:Fu[`${l}ToSurface`],Pu=Ou;let p=i||0;for(let e=0;e2&&void 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2:t+="x2";break;case 3:t.includes("32")||Gu(`unsupported x3 type for ${t}`),t+="x3";break;case 4:t+="x4"}return t}(t),o={hash:`${t.getMTime()}I${n.getMTime()}${r}`,usage:Uu.PointArray,format:r,dataArray:t,indexBuffer:n};return e.getBuffer(o)},e.getFullScreenQuadBuffer=()=>{if(t.fullScreenQuadBuffer)return t.fullScreenQuadBuffer;t.fullScreenQuadBuffer=vu.newInstance(),t.fullScreenQuadBuffer.setDevice(t.device);const e=new Float32Array([-1,-1,0,1,-1,0,1,1,0,-1,-1,0,1,1,0,-1,1,0]);return t.fullScreenQuadBuffer.createAndWrite(e,GPUBufferUsage.VERTEX),t.fullScreenQuadBuffer.setStrideInBytes(12),t.fullScreenQuadBuffer.setArrayInformation([{offset:0,format:"float32x3"}]),t.fullScreenQuadBuffer}}const Xu={device:null,fullScreenQuadBuffer:null};function Ku(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Xu,n),je(e,t),$e(e,t,["device"]),Hu(e,t)}var qu={newInstance:rt(Ku),extend:Ku,...pu};const{BufferUsage:$u}=qu,{vtkErrorMacro:Yu}=gt;function Ju(e,t){t.classHierarchy.push("vtkWebGPUStorageBuffer"),e.addEntry=(e,n)=>{if(t._bufferEntryNames.has(e))return void Yu(`entry named ${e} already exists`);t._bufferEntryNames.set(e,t.bufferEntries.length);const r=$l(n);t.bufferEntries.push({name:e,type:n,sizeInBytes:r,offset:t.sizeInBytes,nativeType:Yl(n)}),t.sizeInBytes+=r},e.send=e=>{if(!t._buffer){const n={nativeArray:t.Float32Array,usage:$u.Storage,label:t.label};return t._buffer=e.getBufferManager().getBuffer(n),t.bindGroupTime.modified(),void t._sendTime.modified()}e.getHandle().queue.writeBuffer(t._buffer.getHandle(),0,t.arrayBuffer,0,t.sizeInBytes*t.numberOfInstances),t._sendTime.modified()},e.createView=e=>{e in t==0&&(t.arrayBuffer||(t.arrayBuffer=new ArrayBuffer(t.sizeInBytes*t.numberOfInstances)),t[e]=gt.newTypedArray(e,t.arrayBuffer))},e.setValue=(n,r,o)=>{const i=t._bufferEntryNames.get(n);if(void 0===i)return void Yu(`entry named ${n} not found in UBO`);const a=t.bufferEntries[i];e.createView(a.nativeType);const 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e=0;et._sendTime.getMTime(),e.getShaderCode=(e,n)=>{const r=[`struct ${t.label}StructEntry\n{`];for(let e=0;e,\n};\n@binding(${e}) @group(${n}) var ${t.label}: ${t.label}Struct;\n`),r.join("\n")},e.getBindGroupEntry=()=>({resource:{buffer:t._buffer.getHandle()}}),e.clearData=()=>{t.numberOfInstances=0,t.sizeInBytes=0,t.bufferEntries=[],t._bufferEntryNames=new Map,t._buffer=null,delete t.arrayBuffer,delete t.Float32Array}}const Qu={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,numberOfInstances:1};function Zu(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Qu,n),gt.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t._sendTime={},gt.obj(t._sendTime,{mtime:0}),t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"read-only-storage"}},gt.get(e,t,["bindGroupTime"]),gt.setGet(e,t,["device","bindGroupLayoutEntry","label","numberOfInstances","sizeInBytes"]),Ju(e,t)}var ec={newInstance:gt.newInstance(Zu,"vtkWebGPUStorageBuffer"),extend:Zu};const{BufferUsage:tc}=qu,{vtkErrorMacro:nc}=gt;function rc(e,t){t.classHierarchy.push("vtkWebGPUUniformBuffer"),e.addEntry=(e,n)=>{t._bufferEntryNames.has(e)?nc(`entry named ${e} already exists`):(t.sortDirty=!0,t._bufferEntryNames.set(e,t.bufferEntries.length),t.bufferEntries.push({name:e,type:n,sizeInBytes:$l(n),offset:-1,nativeType:Yl(n),packed:!1}))},e.sortBufferEntries=()=>{if(!t.sortDirty)return;let e=0;const n=[];let r=4;for(let e=0;e4&&(o.packed=!0,o.offset=e,n.push(o),e+=o.sizeInBytes)}for(let r=0;r{if(!t.UBO){const n={nativeArray:t.Float32Array,usage:tc.UniformArray,label:t.label};t.UBO=e.getBufferManager().getBuffer(n),t.bindGroupTime.modified(),t.sendDirty=!1}t.sendDirty&&(e.getHandle().queue.writeBuffer(t.UBO.getHandle(),0,t.arrayBuffer,0,t.sizeInBytes),t.sendDirty=!1),t.sendTime.modified()},e.createView=e=>{e in t==0&&(t.arrayBuffer||(t.arrayBuffer=new ArrayBuffer(t.sizeInBytes)),t[e]=gt.newTypedArray(e,t.arrayBuffer))},e.setValue=(n,r)=>{e.sortBufferEntries();const o=t._bufferEntryNames.get(n);if(void 0===o)return void nc(`entry named ${n} not found in UBO`);const i=t.bufferEntries[o];e.createView(i.nativeType);const a=t[i.nativeType];i.lastValue!==r&&(a[i.offset/a.BYTES_PER_ELEMENT]=r,t.sendDirty=!0),i.lastValue=r},e.setArray=(n,r)=>{e.sortBufferEntries();const o=t._bufferEntryNames.get(n);if(void 0===o)return void nc(`entry named ${n} not found in UBO`);const i=t.bufferEntries[o];e.createView(i.nativeType);const a=t[i.nativeType];let s=!1;for(let e=0;e({resource:{buffer:t.UBO.getHandle()}}),e.getSendTime=()=>t.sendTime.getMTime(),e.getShaderCode=(n,r)=>{e.sortBufferEntries();const o=[`struct ${t.label}Struct\n{`];for(let e=0;e ${t.label}: ${t.label}Struct;`),o.join("\n")}}const oc={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,bindGroupLayoutEntry:null,bindGroupEntry:null};function ic(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,oc,n),gt.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"uniform"}},t.sendTime={},gt.obj(t.sendTime,{mtime:0}),t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),t.sendDirty=!0,t.sortDirty=!0,gt.get(e,t,["binding","bindGroupTime"]),gt.setGet(e,t,["bindGroupLayoutEntry","device","label","sizeInBytes"]),rc(e,t)}var ac={newInstance:gt.newInstance(ic,"vtkWebGPUUniformBuffer"),extend:ic};const{vtkDebugMacro:sc}=vt,lc="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = mapperUBO.BackgroundColor;\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n",uc=new Float64Array(16),cc=new Float64Array(16);function dc(e,t){t.classHierarchy.push("vtkWebGPURenderer"),e.buildPass=n=>{if(n){if(!t.renderable)return;t.camera=t.renderable.getActiveCamera(),e.updateLights(),e.prepareNodes(),e.addMissingNode(t.camera),e.addMissingNodes(t.renderable.getViewPropsWithNestedProps()),e.removeUnusedNodes(),t.webgpuCamera=e.getViewNodeFor(t.camera),e.updateStabilizedMatrix()}},e.updateStabilizedMatrix=()=>{const e=t.camera.getClippingRange(),n=t.camera.getPositionByReference(),r=[],o=[];Ht(o,t.camera.getDirectionOfProjectionByReference(),.5*(e[0]+e[1])),function(e,t,n){e[0]=t[0]+n[0],e[1]=t[1]+n[1],e[2]=t[2]+n[2]}(r,n,o),tn(o,r,t.stabilizedCenter),nn(o)/(e[1]-e[0])>t.recenterThreshold&&(t.stabilizedCenter=r,t.stabilizedTime.modified())},e.updateLights=()=>{let e=0;const n=t.renderable.getLightsByReference();for(let t=0;t0&&e++;return e||(sc("No lights are on, creating one."),t.renderable.createLight()),e},e.updateUBO=()=>{const n=t.UBO.getSendTime();if(t._parent.getMTime()>n||e.getMTime()>n||t.camera.getMTime()>n||t.renderable.getMTime()>n){const n=t.webgpuCamera.getKeyMatrices(e);t.UBO.setArray("WCVCMatrix",n.wcvc),t.UBO.setArray("SCPCMatrix",n.scpc),t.UBO.setArray("PCSCMatrix",n.pcsc),t.UBO.setArray("SCVCMatrix",n.scvc),t.UBO.setArray("VCPCMatrix",n.vcpc),t.UBO.setArray("WCVCNormals",n.normalMatrix),t.UBO.setValue("LightCount",t.renderable.getLights().length),t.UBO.setValue("MaxEnvironmentMipLevel",t.renderable.getEnvironmentTexture()?.getMipLevel()),t.UBO.setValue("BackgroundDiffuseStrength",t.renderable.getEnvironmentTextureDiffuseStrength()),t.UBO.setValue("BackgroundSpecularStrength",t.renderable.getEnvironmentTextureSpecularStrength());const r=e.getYInvertedTiledSizeAndOrigin();t.UBO.setArray("viewportSize",[r.usize,r.vsize]),t.UBO.setValue("cameraParallel",t.camera.getParallelProjection());const o=t._parent.getDevice();t.UBO.sendIfNeeded(o)}},e.updateSSBO=()=>{const n=t.renderable.getLights(),r=t.webgpuCamera.getKeyMatrices(e);let o=`${t.renderable.getMTime()}`;for(let e=0;e=90?0:2:1,s[l+1]=Math.cos(xn(n[t].getConeAngle())),s[l+2]=Math.cos(xn(n[t].getConeAngle()+n[t].getConeFalloff())),s[l+3]=0}t.SSBO.clearData(),t.SSBO.setNumberOfInstances(n.length),t.SSBO.addEntry("LightPos","vec4"),t.SSBO.addEntry("LightDir","vec4"),t.SSBO.addEntry("LightColor","vec4"),t.SSBO.addEntry("LightData","vec4"),t.SSBO.setAllInstancesFromArray("LightPos",e),t.SSBO.setAllInstancesFromArray("LightDir",o),t.SSBO.setAllInstancesFromArray("LightColor",a),t.SSBO.setAllInstancesFromArray("LightData",s);const l=t._parent.getDevice();t.SSBO.send(l)}var i;t.lightTimeString=o},e.scissorAndViewport=t=>{const n=e.getYInvertedTiledSizeAndOrigin();t.getHandle().setViewport(n.lowerLeftU,n.lowerLeftV,n.usize,n.vsize,0,1),t.getHandle().setScissorRect(n.lowerLeftU,n.lowerLeftV,n.usize,n.vsize)},e.bindUBO=e=>{e.activateBindGroup(t.bindGroup)},e.opaquePass=n=>{n?(t.renderEncoder.begin(t._parent.getCommandEncoder()),e.updateUBO(),e.updateSSBO()):(e.scissorAndViewport(t.renderEncoder),e.clear(),t.renderEncoder.end())},e.clear=()=>{if(t.renderable.getTransparent()||t.suppressClear)return;const n=t._parent.getDevice();if(!t.clearFSQ){t.clearFSQ=du.newInstance(),t.clearFSQ.setDevice(n),t.clearFSQ.setPipelineHash("clearfsq"),t.clearFSQ.setFragmentShaderTemplate(lc);const e=ac.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e),t.backgroundTex=t.renderable.getEnvironmentTexture()}if("clearfsqwithtexture"!==t.clearFSQ.getPipelineHash()&&t.renderable.getUseEnvironmentTextureAsBackground()&&t.backgroundTex?.getImageLoaded()){t.clearFSQ.setFragmentShaderTemplate("\nfn vecToRectCoord(dir: vec3) -> vec2 {\n var tau: f32 = 6.28318530718;\n var pi: f32 = 3.14159265359;\n var out: vec2 = vec2(0.0);\n\n out.x = atan2(dir.z, dir.x) / tau;\n out.x += 0.5;\n\n var phix: f32 = length(vec2(dir.x, dir.z));\n out.y = atan2(dir.y, phix) / pi + 0.5;\n\n return out;\n}\n\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var tcoord: vec4 = vec4(input.vertexVC.xy, -1, 1);\n var V: vec4 = normalize(mapperUBO.FSQMatrix * tcoord); // vec2((input.tcoordVS.x - 0.5) * 2, -(input.tcoordVS.y - 0.5) * 2);\n // textureSampleLevel gets rid of some ugly artifacts\n var background = textureSampleLevel(EnvironmentTexture, EnvironmentTextureSampler, vecToRectCoord(V.xyz), 0);\n var computedColor: vec4 = vec4(background.rgb, 1);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n");const e=ac.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e);const r=n.getTextureManager().getTextureForVTKTexture(t.backgroundTex);if(r.getReady()){const e=r.createView("EnvironmentTexture");t.clearFSQ.setTextureViews([e]),t.backgroundTexLoaded=!0;const o=t.backgroundTex.getInterpolate()?"linear":"nearest";e.addSampler(n,{addressModeU:"repeat",addressModeV:"clamp-to-edge",addressModeW:"repeat",minFilter:o,magFilter:o,mipmapFilter:"linear"})}t.clearFSQ.setPipelineHash("clearfsqwithtexture")}else if("clearfsqwithtexture"===t.clearFSQ.getPipelineHash()&&!t.renderable.getUseEnvironmentTextureAsBackground()){t.clearFSQ=du.newInstance(),t.clearFSQ.setDevice(n),t.clearFSQ.setPipelineHash("clearfsq"),t.clearFSQ.setFragmentShaderTemplate(lc);const e=ac.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e)}const r=t.webgpuCamera.getKeyMatrices(e),o=t.renderable.getBackgroundByReference();t.clearFSQ.getUBO().setArray("BackgroundColor",o),h(cc,r.normalMatrix),re(uc,r.scvc,r.pcsc),re(uc,cc,uc),t.clearFSQ.getUBO().setArray("FSQMatrix",uc),t.clearFSQ.getUBO().sendIfNeeded(n),t.clearFSQ.prepareAndDraw(t.renderEncoder)},e.translucentPass=n=>{n?t.renderEncoder.begin(t._parent.getCommandEncoder()):(e.scissorAndViewport(t.renderEncoder),t.renderEncoder.end())},e.volumeDepthRangePass=n=>{n?t.renderEncoder.begin(t._parent.getCommandEncoder()):(e.scissorAndViewport(t.renderEncoder),t.renderEncoder.end())},e.getAspectRatio=()=>{const e=t._parent.getSizeByReference(),n=t.renderable.getViewportByReference();return e[0]*(n[2]-n[0])/((n[3]-n[1])*e[1])},e.convertToOpenGLDepth=e=>t.webgpuCamera.convertToOpenGLDepth(e),e.getYInvertedTiledSizeAndOrigin=()=>{const n=e.getTiledSizeAndOrigin(),r=t._parent.getSizeByReference();return n.lowerLeftV=r[1]-n.vsize-n.lowerLeftV,n},e.getTiledSizeAndOrigin=()=>{const e=t.renderable.getViewportByReference(),n=[0,0,1,1],r=e[0]-n[0],o=e[1]-n[1],i=t._parent.normalizedDisplayToDisplay(r,o),a=Math.round(i[0]),s=Math.round(i[1]),l=e[2]-n[0],u=e[3]-n[1],c=t._parent.normalizedDisplayToDisplay(l,u);let d=Math.round(c[0])-a,p=Math.round(c[1])-s;return d<0&&(d=0),p<0&&(p=0),{usize:d,vsize:p,lowerLeftU:a,lowerLeftV:s}},e.getPropFromID=e=>{for(let n=0;nt.stabilizedTime.getMTime(),e.releaseGraphicsResources=()=>{null!==t.selector&&t.selector.releaseGraphicsResources()}}const pc={bindGroup:null,selector:null,renderEncoder:null,recenterThreshold:20,suppressClear:!1,stabilizedCenter:[0,0,0]};const fc=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,pc,n),Tt.extend(e,t,n),t.UBO=ac.newInstance({label:"rendererUBO"}),t.UBO.addEntry("WCVCMatrix","mat4x4"),t.UBO.addEntry("SCPCMatrix","mat4x4"),t.UBO.addEntry("PCSCMatrix","mat4x4"),t.UBO.addEntry("SCVCMatrix","mat4x4"),t.UBO.addEntry("VCPCMatrix","mat4x4"),t.UBO.addEntry("WCVCNormals","mat4x4"),t.UBO.addEntry("viewportSize","vec2"),t.UBO.addEntry("LightCount","i32"),t.UBO.addEntry("MaxEnvironmentMipLevel","f32"),t.UBO.addEntry("BackgroundDiffuseStrength","f32"),t.UBO.addEntry("BackgroundSpecularStrength","f32"),t.UBO.addEntry("cameraParallel","u32"),t.SSBO=ec.newInstance({label:"rendererLightSSBO"}),t.lightTimeString="",t.bindGroup=El.newInstance({label:"rendererBG"}),t.bindGroup.setBindables([t.UBO,t.SSBO]),t.tmpMat4=f(new Float64Array(16)),t.stabilizedTime={},je(t.stabilizedTime,{mtime:0}),He(e,t,["bindGroup","stabilizedTime"]),Ye(e,t,["stabilizedCenter"]),$e(e,t,["renderEncoder","selector","suppressClear","UBO"]),dc(e,t)}),"vtkWebGPURenderer");function hc(e,t){t.classHierarchy.push("vtkWebGPUSampler"),e.create=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};t.device=e,t.options.addressModeU=n.addressModeU?n.addressModeU:"clamp-to-edge",t.options.addressModeV=n.addressModeV?n.addressModeV:"clamp-to-edge",t.options.addressModeW=n.addressModeW?n.addressModeW:"clamp-to-edge",t.options.magFilter=n.magFilter?n.magFilter:"nearest",t.options.minFilter=n.minFilter?n.minFilter:"nearest",t.options.mipmapFilter=n.mipmapFilter?n.mipmapFilter:"nearest",t.options.label=t.label,t.handle=t.device.getHandle().createSampler(t.options),t.bindGroupTime.modified()},e.getShaderCode=(e,n)=>`@binding(${e}) @group(${n}) var ${t.label}: sampler;`,e.getBindGroupEntry=()=>({resource:t.handle})}gl("vtkRenderer",fc);const mc={device:null,handle:null,label:null,options:null};function gc(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,mc,n),gt.obj(e,t),t.options={},t.bindGroupLayoutEntry={visibility:GPUShaderStage.VERTEX|GPUShaderStage.FRAGMENT,sampler:{}},t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),gt.get(e,t,["bindGroupTime","handle","options"]),gt.setGet(e,t,["bindGroupLayoutEntry","device","label"]),hc(e,t)}var vc={newInstance:gt.newInstance(gc),extend:gc};const{SlicingMode:yc}=Is,bc="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Image::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n //VTK::Image::Sample\n\n // var computedColor: vec4 = vec4(1.0,0.7, 0.5, 1.0);\n\n//VTK::RenderEncoder::Impl\n\n return output;\n}\n",xc=new Float64Array(16),_c=new Float64Array(16),Tc=new Float64Array(16),Sc=new Float64Array(4),wc=new Float64Array(4);function Cc(e,t){t.classHierarchy.push("vtkWebGPUImageMapper"),e.buildPass=n=>{if(n){t.WebGPUImageSlice=e.getFirstAncestorOfType("vtkWebGPUImageSlice"),t.WebGPURenderer=t.WebGPUImageSlice.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent(),t.device=t.WebGPURenderWindow.getDevice();const n=t.WebGPURenderer.getRenderable();t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(n.getActiveCamera())}},e.translucentPass=t=>{t&&e.render()},e.opaquePass=t=>{t&&e.render()},e.render=()=>{t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.prepareToDraw(t.WebGPURenderer.getRenderEncoder()),t.renderEncoder.registerDrawCallback(t.pipeline,e.draw)},e.computePipelineHash=()=>{const e=t.currentInput.getExtent();e[0]===e[1]||e[2]===e[3]||e[4]===e[5]?(t.dimensions=2,t.pipelineHash="img2"):(t.dimensions=3,t.pipelineHash="img3")},e.updateUBO=()=>{const n=t.UBO.getSendTime(),r=t.WebGPUImageSlice.getRenderable(),o=r.getMapper();if(e.getMTime()>n||t.renderable.getMTime()>n||r.getProperty().getMTime()>n){const e=o.getInputData(),n=t.WebGPURenderer.getStabilizedCenterByReference();f(xc),b(xc,xc,n);const i=r.getMatrix();h(_c,i),m(_c,_c),y(xc,_c,xc);const a=e.getWorldToIndex();y(xc,a,xc),m(Tc,xc),C(_c,[.5,.5,.5]),y(xc,_c,xc);const s=e.getDimensions();f(_c),x(_c,_c,[1/s[0],1/s[1],1/s[2]]),y(xc,_c,xc),t.UBO.setArray("SCTCMatrix",xc);const l=t.currentInput.getExtent(),{ijkMode:u}=t.renderable.getClosestIJKAxis();let c=t.renderable.getSlice();u!==t.renderable.getSlicingMode()&&(c=t.renderable.getSliceAtPosition(c));let d=2,p=0,g=1;u===yc.I?(d=0,p=1,g=2):u===yc.J&&(d=1,p=2,g=0),Sc[d]=c,Sc[p]=l[2*p]-.5,Sc[g]=l[2*g]-.5,Sc[3]=1,Mo(Sc,Sc,Tc),t.UBO.setArray("Origin",Sc),wc[d]=c,wc[p]=l[2*p+1]+.5,wc[g]=l[2*g]-.5,wc[3]=1,Mo(wc,wc,Tc),No(wc,wc,Sc),wc[3]=1,t.UBO.setArray("Axis1",wc),wc[d]=c,wc[p]=l[2*p]-.5,wc[g]=l[2*g+1]+.5,wc[3]=1,Mo(wc,wc,Tc),No(wc,wc,Sc),wc[3]=1,t.UBO.setArray("Axis2",wc);const v=[1,1,1,1],_=[0,0,0,0],T=t.textureViews[0],S=T.getTexture().getScale(),w=T.getTexture().getNumberOfComponents();for(let e=0;e{const n=t.WebGPUImageSlice.getRenderable().getProperty();e.getTextureViews()[0].getTexture().getNumberOfComponents();const r=function(e,t,n){if(t.apply(e)){const t=e.getIndependentComponents();return`${e.getMTime()}-${t}-1`}return"0"}(n,n.getRGBTransferFunction);if(t.colorTextureString!==r){t.numRows=1;const e=new Uint8Array(2*t.numRows*t.rowLength*4);let o=n.getRGBTransferFunction();if(o){const r=new Float32Array(3*t.rowLength);for(let i=0;i<1;i++){o=n.getRGBTransferFunction(i);const a=o.getRange();o.getTable(a[0],a[1],t.rowLength,r,1);for(let n=0;n{n();const r=t.device.getTextureManager().getTextureForImageData(t.currentInput),o=t.textureViews;if(!o[0]||o[0].getTexture()!==r){const e=r.createView("imgTexture");o[0]=e}e.updateLUTImage(),e.updateUBO();const i=t.WebGPUImageSlice.getRenderable().getProperty().getInterpolationType()===Ts?"nearest":"linear";t.clampSampler&&i===t.clampSampler.getOptions().minFilter||(t.clampSampler=vc.newInstance({label:"clampSampler"}),t.clampSampler.create(t.device,{minFilter:i,magFilter:i}),t.additionalBindables=[t.clampSampler])};const r=e.getShaderReplacements();e.replaceShaderPosition=(e,n,r)=>{const o=n.getShaderDescription("vertex");o.addBuiltinOutput("vec4","@builtin(position) Position");let i=o.getCode();const a=["var pos: vec4 = mapperUBO.Origin +"," (vertexBC.x * 0.5 + 0.5) * mapperUBO.Axis1 + (vertexBC.y * 0.5 + 0.5) * mapperUBO.Axis2;","pos.w = 1.0;"];2===t.dimensions?a.push("var tcoord : vec2 = (mapperUBO.SCTCMatrix * pos).xy;"):a.push("var tcoord : vec3 = (mapperUBO.SCTCMatrix * pos).xyz;"),a.push("output.tcoordVS = tcoord;","output.Position = rendererUBO.SCPCMatrix * pos;"),i=Fl.substitute(i,"//VTK::Position::Impl",a).result,o.setCode(i)},r.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderTCoord=(e,n,r)=>{const o=n.getShaderDescription("vertex");2===t.dimensions?o.addOutput("vec2","tcoordVS"):o.addOutput("vec3","tcoordVS")},r.set("replaceShaderTCoord",e.replaceShaderTCoord),e.replaceShaderImage=(e,n,r)=>{const o=n.getShaderDescription("fragment");let i=o.getCode();t.dimensions,i=Fl.substitute(i,"//VTK::Image::Sample",[" var computedColor: vec4 ="," textureSampleLevel(imgTexture, clampSampler, input.tcoordVS, 0.0);","//VTK::Image::Sample"]).result,i=Fl.substitute(i,"//VTK::Image::Sample",[" var coord: vec2 ="," vec2(computedColor.r * mapperUBO.cScale.r + mapperUBO.cShift.r, 0.5);"," computedColor = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);"]).result,o.setCode(i)},r.set("replaceShaderImage",e.replaceShaderImage)}const Ac={rowLength:1024};const Ec=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ac,n),du.extend(e,t,n),e.setFragmentShaderTemplate(bc),t.UBO=ac.newInstance({label:"mapperUBO"}),t.UBO.addEntry("SCTCMatrix","mat4x4"),t.UBO.addEntry("Origin","vec4"),t.UBO.addEntry("Axis2","vec4"),t.UBO.addEntry("Axis1","vec4"),t.UBO.addEntry("cScale","vec4"),t.UBO.addEntry("cShift","vec4"),t.lutBuildTime={},je(t.lutBuildTime,{mtime:0}),t.imagemat=f(new Float64Array(16)),t.imagematinv=f(new Float64Array(16)),t.VBOBuildTime={},je(t.VBOBuildTime),Cc(e,t)}),"vtkWebGPUImageMapper");function Dc(e,t){t.classHierarchy.push("vtkWebGPUImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes()}},e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t.WebGPURenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t.WebGPURenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.getBufferShift=n=>(e.getKeyMatrices(n),t.bufferShift),e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix(),r=e.getStabilizedCenterByReference();t.bufferShift[0]=n[3]-r[0],t.bufferShift[1]=n[7]-r[1],t.bufferShift[2]=n[11]-r[2],h(t.keyMatrices.bcwc,n),t.renderable.getIsIdentity()?f(t.keyMatrices.normalMatrix):(c(t.keyMatrices.normalMatrix,t.keyMatrices.bcwc),t.keyMatrices.normalMatrix[3]=0,t.keyMatrices.normalMatrix[7]=0,t.keyMatrices.normalMatrix[11]=0,m(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix),h(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix)),b(t.keyMatrices.bcwc,t.keyMatrices.bcwc,[-t.bufferShift[0],-t.bufferShift[1],-t.bufferShift[2]]),b(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]),t.keyMatricesTime.modified()}return t.keyMatrices}}gl("vtkImageMapper",Ec);const Ic={bufferShift:void 0,keyMatrixTime:null,keyMatrices:null,propID:void 0};const Oc=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ic,n),Tt.extend(e,t,n),t.keyMatricesTime={},je(t.keyMatricesTime,{mtime:0}),t.keyMatrices={normalMatrix:new Float64Array(16),bcwc:new Float64Array(16),bcsc:new Float64Array(16)},t.keyMatrixTime={},je(t.keyMatrixTime,{mtime:0}),t.keyMatrices={mcwc:f(new Float64Array(16))},t.bufferShift=[0,0,0,0],He(e,t,["propID","keyMatricesTime"]),Dc(e,t)}),"vtkWebGPUImageSlice");function Pc(e,t){t.classHierarchy.push("vtkWebGPUVolume"),e.buildPass=n=>{t.renderable&&t.renderable.getVisibility()&&n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),t.renderable.getMapper().update())},e.queryPass=(n,r)=>{if(n){if(!t.renderable||!t.renderable.getVisibility())return;const n=t.renderable.getMapper().getBounds();if(!n||6!==n.length||n[0]>n[1])return;r.addVolume(e)}};const n=new Float64Array(3),r=new Float64Array(3);e.getBoundingCubePoints=(e,o)=>{const i=t.renderable.getMapper().getInputData();if(!i)return;const a=i.getExtent(),s=t.renderable.getMatrix();let l=0;for(let t=4;t<6;t++){n[2]=a[t];for(let t=2;t<4;t++){n[1]=a[t];for(let t=0;t<2;t++){n[0]=a[t],i.indexToWorld(n,r);let u=o+3*l;e[u++]=s[0]*r[0]+s[1]*r[1]+s[2]*r[2]+s[3],e[u++]=s[4]*r[0]+s[5]*r[1]+s[6]*r[2]+s[7],e[u++]=s[8]*r[0]+s[9]*r[1]+s[10]*r[2]+s[11],l++}}}},e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix(),r=e.getStabilizedCenterByReference();h(t.keyMatrices.bcwc,n),b(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]),t.keyMatricesTime.modified()}return t.keyMatrices}}gl("vtkImageSlice",Oc);const Nc={propID:void 0,keyMatricesTime:null};const Mc=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Nc,n),Tt.extend(e,t,n),t.keyMatricesTime={},gt.obj(t.keyMatricesTime,{mtime:0}),t.keyMatrices={bcwc:new Float64Array(16),bcsc:new Float64Array(16)},gt.get(e,t,["propID","keyMatricesTime"]),Pc(e,t)}),"vtkWebGPUVolume");function Rc(e,t){t.classHierarchy.push("vtkWebGPUPixelSpaceCallbackMapper"),e.opaquePass=(n,r)=>{t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent();const o=t.WebGPURenderer.getAspectRatio(),i=t.WebGPURenderer?t.WebGPURenderer.getRenderable().getActiveCamera():null,a=t.WebGPURenderer.getTiledSizeAndOrigin();t.renderable.getUseZValues(),t.renderable.invokeCallback(t.renderable.getInputData(),i,o,a,null)}}gl("vtkVolume",Mc);const Fc={};const kc=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fc,n),Tt.extend(e,t,n),Rc(e,t)}),"vtkWebGPUPixelSpaceCallbackMapper");gl("vtkPixelSpaceCallbackMapper",kc);var Lc=Uint8Array,Bc=Uint16Array,Vc=Uint32Array,Uc=new Lc([0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0,0]),Gc=new Lc([0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,0,0]),zc=new Lc([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]),jc=function(e,t){for(var n=new Bc(31),r=0;r<31;++r)n[r]=t+=1<>>1|(21845&Yc)<<1;Jc=(61680&(Jc=(52428&Jc)>>>2|(13107&Jc)<<2))>>>4|(3855&Jc)<<4,$c[Yc]=((65280&Jc)>>>8|(255&Jc)<<8)>>>1}var Qc=function(e,t,n){for(var r=e.length,o=0,i=new Bc(t);o>>l]=u}else for(a=new Bc(r),o=0;o>>15-e[o]);return a},Zc=new Lc(288);for(Yc=0;Yc<144;++Yc)Zc[Yc]=8;for(Yc=144;Yc<256;++Yc)Zc[Yc]=9;for(Yc=256;Yc<280;++Yc)Zc[Yc]=7;for(Yc=280;Yc<288;++Yc)Zc[Yc]=8;var ed=new Lc(32);for(Yc=0;Yc<32;++Yc)ed[Yc]=5;var td=Qc(Zc,9,1),nd=Qc(ed,5,1),rd=function(e){for(var t=e[0],n=1;nt&&(t=e[n]);return t},od=function(e,t,n){var r=t/8|0;return(e[r]|e[r+1]<<8)>>(7&t)&n},id=function(e,t){var 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Zd.MAGNITUDE:default:{const o=Wr.newInstance({numberOfComponents:1,values:new Float32Array(t.getNumberOfTuples())});e.mapVectorsToMagnitude(t,o,s),e.mapScalarsThroughTable(o,n,r,0);break}}},e.luminanceToRGBA=(e,t,n,r)=>{const o=r(n),i=t.getData(),a=e.getData(),s=i.length;let l=0;for(let e=0;e{const o=t.getData(),i=e.getData(),a=o.length;let s=0;for(let e=0;e{const o=op(n),i=t.getData(),a=e.getData(),s=i.length;let l=0;for(let e=0;e{const o=t.getData(),i=e.getData(),a=o.length;let s=0;for(let e=0;e{let{alpha:i}=t;if(4===r&&i>=1&&n.getDataType()===ep.UNSIGNED_CHAR)return n;const a=Wr.newInstance({numberOfComponents:4,empty:!0,size:4*o,dataType:ep.UNSIGNED_CHAR});if(o<=0)return a;i=i>0?i:0,i=i<1?i:1;let s=rp;switch(n.getDataType()!==ep.FLOAT&&n.getDataType()!==ep.DOUBLE||(s=op),r){case 1:e.luminanceToRGBA(a,n,i,s);break;case 2:e.luminanceAlphaToRGBA(a,n,s);break;case 3:e.rGBToRGBA(a,n,i,s);break;case 4:e.rGBAToRGBA(a,n,i,s);break;default:return np("Cannot convert colors"),null}return 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lp={newInstance:gt.newInstance(sp,"vtkScalarsToColors"),extend:sp,...Yd},up={ColorSpace:{RGB:0,HSV:1,LAB:2,DIVERGING:3},Scale:{LINEAR:0,LOG10:1}};const{ColorSpace:cp,Scale:dp}=up,{ScalarMappingTarget:pp}=lp,{vtkDebugMacro:fp,vtkErrorMacro:hp,vtkWarningMacro:mp}=gt;function gp(e,t){const n=e[0],r=e[1],o=e[2],i=Math.sqrt(n*n+r*r+o*o),a=i>.001?Math.acos(n/i):0,s=a>.001?Math.atan2(o,r):0;t[0]=i,t[1]=a,t[2]=s}function vp(e,t){if(e[0]>=t-.1)return e[2];const n=e[1]*Math.sqrt(t*t-e[0]*e[0])/(e[0]*Math.sin(e[1]));return e[2]>-.3*Math.PI?e[2]+n:e[2]-n}function yp(e,t,n,r){const o=[],i=[];gr(t,o),gr(n,i);const a=[],s=[];gp(o,a),gp(i,s);let l=e;if(a[1]>.05&&s[1]>.05&&function(e,t){let n=e-t;for(n<0&&(n=-n);n>=2*Math.PI;)n-=2*Math.PI;return n>Math.PI&&(n=2*Math.PI-n),n}(a[2],s[2])>.33*Math.PI){let t=Math.max(a[0],s[0]);t=Math.max(88,t),e<.5?(s[0]=t,s[1]=0,s[2]=0,l*=2):(a[0]=t,a[1]=0,a[2]=0,l=2*l-1)}a[1]<.05&&s[1]>.05?a[2]=vp(s,a[0]):s[1]<.05&&a[1]>.05&&(s[2]=vp(a,s[0]));const u=[];u[0]=(1-l)*a[0]+l*s[0],u[1]=(1-l)*a[1]+l*s[1],u[2]=(1-l)*a[2]+l*s[2];const c=[];!function(e,t){const n=e[0],r=e[1],o=e[2];t[0]=n*Math.cos(r),t[1]=n*Math.sin(r)*Math.cos(o),t[2]=n*Math.sin(r)*Math.sin(o)}(u,c),vr(c,r)}function bp(e,t){t.classHierarchy.push("vtkColorTransferFunction"),e.getSize=()=>t.nodes.length,e.addRGBPoint=(t,n,r,o)=>e.addRGBPointLong(t,n,r,o,.5,0),e.addRGBPointLong=function(n,r,o,i){let a=arguments.length>4&&void 0!==arguments[4]?arguments[4]:.5,s=arguments.length>5&&void 0!==arguments[5]?arguments[5]:0;if(a<0||a>1)return hp("Midpoint outside range [0.0, 1.0]"),-1;if(s<0||s>1)return hp("Sharpness outside range [0.0, 1.0]"),-1;t.allowDuplicateScalars||e.removePoint(n);const l={x:n,r:r,g:o,b:i,midpoint:a,sharpness:s};t.nodes.push(l),e.sortAndUpdateRange();let u=0;for(;ue.addHSVPointLong(t,n,r,o,.5,0),e.addHSVPointLong=function(t,n,r,o){let i=arguments.length>4&&void 0!==arguments[4]?arguments[4]:.5,a=arguments.length>5&&void 0!==arguments[5]?arguments[5]:0;const s=[],l=[n,r,o];return dr(l,s),e.addRGBPoint(t,s[0],s[1],s[2],i,a)},e.setNodes=n=>{if(t.nodes!==n){const r=JSON.stringify(t.nodes);t.nodes=n;const o=JSON.stringify(t.nodes);if(e.sortAndUpdateRange()||r!==o)return e.modified(),!0}return!1},e.sortAndUpdateRange=()=>{const n=JSON.stringify(t.nodes);t.nodes.sort(((e,t)=>e.x-t.x));const r=JSON.stringify(t.nodes),o=e.updateRange();return o||n===r?o:(e.modified(),!0)},e.updateRange=()=>{const n=[2];n[0]=t.mappingRange[0],n[1]=t.mappingRange[1];const r=t.nodes.length;return r?(t.mappingRange[0]=t.nodes[0].x,t.mappingRange[1]=t.nodes[r-1].x):(t.mappingRange[0]=0,t.mappingRange[1]=0),(n[0]!==t.mappingRange[0]||n[1]!==t.mappingRange[1])&&(e.modified(),!0)},e.removePoint=n=>{let r=0;for(;r=t.nodes.length)return-1;let i=!1;return t.nodes.splice(r,1),0!==r&&r!==t.nodes.length||(i=e.updateRange()),i||e.modified(),o},e.movePoint=(n,r)=>{if(n!==r){e.removePoint(r);for(let o=0;o{t.nodes=[],e.sortAndUpdateRange()},e.addRGBSegment=(n,r,o,i,a,s,l,u)=>{e.sortAndUpdateRange();for(let e=0;e=n&&t.nodes[e].x<=a?t.nodes.splice(e,1):e++;e.addRGBPointLong(n,r,o,i,.5,0),e.addRGBPointLong(a,s,l,u,.5,0),e.modified()},e.addHSVSegment=(t,n,r,o,i,a,s,l)=>{const u=[a,s,l],c=[],d=[];dr([n,r,o],c),dr(u,d),e.addRGBSegment(t,c[0],c[1],c[2],i,d[0],d[1],d[2])},e.mapValue=t=>{const n=[];return e.getColor(t,n),[Math.floor(255*n[0]+.5),Math.floor(255*n[1]+.5),Math.floor(255*n[2]+.5),255]},e.getColor=(n,r)=>{if(t.indexedLookup){const t=e.getSize(),o=e.getAnnotatedValueIndexInternal(n);if(o<0||0===t){const t=e.getNanColorByReference();r[0]=t[0],r[1]=t[1],r[2]=t[2]}else{const n=[];e.getNodeValue(o%t,n),r[0]=n[1],r[1]=n[2],r[2]=n[3]}}else e.getTable(n,n,1,r)},e.getRedValue=t=>{const n=[];return e.getColor(t,n),n[0]},e.getGreenValue=t=>{const n=[];return e.getColor(t,n),n[1]},e.getBlueValue=t=>{const n=[];return e.getColor(t,n),n[2]},e.getTable=(n,r,o,i)=>{const a=Number(n),s=Number(r);if(Er(a)||Er(s)){for(let e=0;e0);let T=0,S=0,w=0;_&&(T=Math.log10(a),S=Math.log10(s));for(let n=0;n1?_?(w=T+n/(o-1)*(S-T),f=10**w):f=a+n/(o-1)*(s-a):_?(w=.5*(T+S),f=10**w):f=.5*(a+s),t.discretize){const e=t.mappingRange;if(f>=e[0]&&f<=e[1]){const n=t.numberOfValues,r=e[1]-e[0];if(n<=1)f=e[0]+r/2;else{const t=(f-e[0])/r,o=Sn(n*t);f=e[0]+o/(n-1)*r}}}for(;lt.nodes[l].x;)l++,l.99999&&(y=.99999));if(f>t.mappingRange[1])i[r]=0,i[r+1]=0,i[r+2]=0,t.clamping&&(e.getUseAboveRangeColor()?(i[r]=t.aboveRangeColor[0],i[r+1]=t.aboveRangeColor[1],i[r+2]=t.aboveRangeColor[2]):(i[r]=c,i[r+1]=d,i[r+2]=p));else if(f0&&(i[r]=t.nodes[0].r,i[r+1]=t.nodes[0].g,i[r+2]=t.nodes[0].b));else if(0===l&&(Math.abs(f-a)<1e-6||t.discretize))u>0?(i[r]=t.nodes[0].r,i[r+1]=t.nodes[0].g,i[r+2]=t.nodes[0].b):(i[r]=0,i[r+1]=0,i[r+2]=0);else{let e=0;if(e=_?(w-h)/(m-h):(f-h)/(m-h),e=e.99){if(e<.5){i[r]=g[0],i[r+1]=g[1],i[r+2]=g[2];continue}i[r]=v[0],i[r+1]=v[1],i[r+2]=v[2];continue}if(b<.01){if(t.colorSpace===cp.RGB)i[r]=(1-e)*g[0]+e*v[0],i[r+1]=(1-e)*g[1]+e*v[1],i[r+2]=(1-e)*g[2]+e*v[2];else if(t.colorSpace===cp.HSV){const n=[],o=[];cr(g,n),cr(v,o),t.hSVWrap&&(n[0]-o[0]>.5||o[0]-n[0]>.5)&&(n[0]>o[0]?n[0]-=1:o[0]-=1);const a=[];a[0]=(1-e)*n[0]+e*o[0],a[0]<0&&(a[0]+=1),a[1]=(1-e)*n[1]+e*o[1],a[2]=(1-e)*n[2]+e*o[2],dr(a,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else if(t.colorSpace===cp.LAB){const t=[],n=[];gr(g,t),gr(v,n);const o=[];o[0]=(1-e)*t[0]+e*n[0],o[1]=(1-e)*t[1]+e*n[1],o[2]=(1-e)*t[2]+e*n[2],vr(o,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else t.colorSpace===cp.DIVERGING?(yp(e,g,v,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]):hp("ColorSpace set to invalid value.",t.colorSpace);continue}e<.5?e=.5*(2*e)**(1+10*b):e>.5&&(e=1-.5*(2*(1-e))**(1+10*b));const n=e*e,o=n*e,a=2*o-3*n+1,s=-2*o+3*n,l=o-2*n+e,u=o-n;let c,d;if(t.colorSpace===cp.RGB)for(let e=0;e<3;e++)c=v[e]-g[e],d=(1-b)*c,i[r+e]=a*g[e]+s*v[e]+l*d+u*d;else if(t.colorSpace===cp.HSV){const e=[],n=[];cr(g,e),cr(v,n),t.hSVWrap&&(e[0]-n[0]>.5||n[0]-e[0]>.5)&&(e[0]>n[0]?e[0]-=1:n[0]-=1);const o=[];for(let t=0;t<3;t++)c=n[t]-e[t],d=(1-b)*c,o[t]=a*e[t]+s*n[t]+l*d+u*d,0===t&&o[t]<0&&(o[t]+=1);dr(o,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else if(t.colorSpace===cp.LAB){const e=[],t=[];gr(g,e),gr(v,t);const n=[];for(let r=0;r<3;r++)c=t[r]-e[r],d=(1-b)*c,n[r]=a*e[r]+s*t[r]+l*d+u*d;vr(n,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else t.colorSpace===cp.DIVERGING?(yp(e,g,v,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]):hp("ColorSpace set to invalid value.");for(let e=0;e<3;e++)i[r+e]=i[r+e]<0?0:i[r+e],i[r+e]=i[r+e]>1?1:i[r+e]}}},e.getUint8Table=function(n,r,o){let i=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(e.getMTime()<=t.buildTime&&t.tableSize===o&&t.tableWithAlpha!==i)return t.table;if(0===t.nodes.length)return hp("Attempting to lookup a value with no points in the function"),t.table;const a=i?4:3;t.tableSize===o&&t.tableWithAlpha===i||(t.table=new Uint8Array(o*a),t.tableSize=o,t.tableWithAlpha=i);const s=[];e.getTable(n,r,o,s);for(let e=0;e{e.removeAllPoints();const r=n.getNumberOfComponents();for(let e=0;e{let a=0;e.removeAllPoints(),o>1&&(a=(r-n)/(o-1));for(let e=0;ee<0||e>=t.nodes.length?(hp("Index out of range!"),-1):(n[0]=t.nodes[e].x,n[1]=t.nodes[e].r,n[2]=t.nodes[e].g,n[3]=t.nodes[e].b,n[4]=t.nodes[e].midpoint,n[5]=t.nodes[e].sharpness,1),e.setNodeValue=(n,r)=>{if(n<0||n>=t.nodes.length)return hp("Index out of range!"),-1;const o=t.nodes[n].x;return t.nodes[n].x=r[0],t.nodes[n].r=r[1],t.nodes[n].g=r[2],t.nodes[n].b=r[3],t.nodes[n].midpoint=r[4],t.nodes[n].sharpness=r[5],o!==r[0]?e.sortAndUpdateRange():e.modified(),1},e.getNumberOfAvailableColors=()=>t.indexedLookup&&e.getSize()?e.getSize():t.tableSize?t.tableSize:16777216,e.getIndexedColor=(t,n)=>{const r=e.getSize();if(r>0&&t>=0){const o=[];e.getNodeValue(t%r,o);for(let e=0;e<3;++e)n[e]=o[e+1];return void(n[3]=1)}const o=e.getNanColorByReference();n[0]=o[0],n[1]=o[1],n[2]=o[2],n[3]=1},e.fillFromDataPointer=(t,n)=>{if(!(t<=0)&&n){e.removeAllPoints();for(let r=0;r{const o=[n,r],i=e.getRange();if(i[1]===o[1]&&i[0]===o[0])return;if(o[1]===o[0])return void hp("attempt to set zero width color range");const a=(o[1]-o[0])/(i[1]-i[0]),s=o[0]-i[0]*a;for(let e=0;e{const r=e.getRange(),o=[];r[0]n[1]?(e.getColor(n[1],o),e.addRGBPoint(n[1],o[0],o[1],o[2])):(e.getColor(r[1],o),e.addRGBPoint(n[1],o[0],o[1],o[2])),e.sortAndUpdateRange();for(let e=0;e=n[0]&&t.nodes[e].x<=n[1]?t.nodes.splice(e,1):++e;return 1},e.estimateMinNumberOfSamples=(t,n)=>{const r=e.findMinimumXDistance();return Math.ceil((n-t)/r)},e.findMinimumXDistance=()=>{if(t.nodes.length<2)return-1;let e=Number.MAX_VALUE;for(let n=0;n{0!==e.getSize()?t.indexedLookup?e.mapDataIndexed(n,r,o,i):e.mapData(n,r,o,i):fp("Transfer Function Has No Points!")},e.mapData=(t,n,r,o)=>{if(0===e.getSize())return void mp("Transfer Function Has No Points!");const i=Math.floor(255*e.getAlpha()+.5),a=t.getNumberOfTuples(),s=t.getNumberOfComponents(),l=n.getData(),u=t.getData(),c=[];if(r===pp.RGBA)for(let t=0;t{const r=JSON.stringify(t.colorSpace);n.ColorSpace&&(t.colorSpace=cp[n.ColorSpace.toUpperCase()],void 0===t.colorSpace&&(hp(`ColorSpace ${n.ColorSpace} not supported, using RGB instead`),t.colorSpace=cp.RGB));let o=r!==JSON.stringify(t.colorSpace);const i=o||JSON.stringify(t.nanColor);if(n.NanColor)for(t.nanColor=[].concat(n.NanColor);t.nanColor.length<4;)t.nanColor.push(1);o=o||i!==JSON.stringify(t.nanColor);const a=o||JSON.stringify(t.nodes);if(n.RGBPoints){const e=n.RGBPoints.length;t.nodes=[];const r=.5,o=0;for(let i=0;i2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,xp,n),lp.extend(e,t,n),t.table=[],t.nodes=[],t.nanColor=[.5,0,0,1],t.belowRangeColor=[0,0,0,1],t.aboveRangeColor=[1,1,1,1],t.buildTime={},gt.obj(t.buildTime),gt.get(e,t,["buildTime","mappingRange"]),gt.setGet(e,t,["useAboveRangeColor","useBelowRangeColor","colorSpace","discretize","numberOfValues"]),gt.setArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"],4),gt.getArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"]),bp(e,t)}var Tp={newInstance:gt.newInstance(_p,"vtkColorTransferFunction"),extend:_p,...up};const{vtkDebugMacro:Sp}=gt;function wp(e,t){t.classHierarchy.push("vtkCamera");const n=new Float64Array(3),r=new Float64Array([0,0,-1]),o=new Float64Array([0,1,0]),i=f(new Float64Array(16)),a=f(new Float64Array(16)),s=new Float64Array(3),l=new Float64Array(3),u=new Float64Array(3),d=f(new Float64Array(16)),p=f(new Float64Array(16)),g=new Float64Array(3),v=new Float64Array(3);function T(){t.viewPlaneNormal[0]=-t.directionOfProjection[0],t.viewPlaneNormal[1]=-t.directionOfProjection[1],t.viewPlaneNormal[2]=-t.directionOfProjection[2]}e.orthogonalizeViewUp=()=>{const n=e.getViewMatrix();t.viewUp[0]=n[4],t.viewUp[1]=n[5],t.viewUp[2]=n[6],e.modified()},e.setPosition=(n,r,o)=>{n===t.position[0]&&r===t.position[1]&&o===t.position[2]||(t.position[0]=n,t.position[1]=r,t.position[2]=o,e.computeDistance(),e.modified())},e.setFocalPoint=(n,r,o)=>{n===t.focalPoint[0]&&r===t.focalPoint[1]&&o===t.focalPoint[2]||(t.focalPoint[0]=n,t.focalPoint[1]=r,t.focalPoint[2]=o,e.computeDistance(),e.modified())},e.setDistance=n=>{if(t.distance===n)return;t.distance=n,t.distance<1e-20&&(t.distance=1e-20,Sp("Distance is set to minimum."));const r=t.directionOfProjection;t.focalPoint[0]=t.position[0]+r[0]*t.distance,t.focalPoint[1]=t.position[1]+r[1]*t.distance,t.focalPoint[2]=t.position[2]+r[2]*t.distance,e.modified()},e.computeDistance=()=>{const e=t.focalPoint[0]-t.position[0],n=t.focalPoint[1]-t.position[1],r=t.focalPoint[2]-t.position[2];if(t.distance=Math.sqrt(e*e+n*n+r*r),t.distance<1e-20){t.distance=1e-20,Sp("Distance is set to minimum.");const e=t.directionOfProjection;t.focalPoint[0]=t.position[0]+e[0]*t.distance,t.focalPoint[1]=t.position[1]+e[1]*t.distance,t.focalPoint[2]=t.position[2]+e[2]*t.distance}t.directionOfProjection[0]=e/t.distance,t.directionOfProjection[1]=n/t.distance,t.directionOfProjection[2]=r/t.distance,T()},e.dolly=n=>{if(n<=0)return;const r=t.distance/n;e.setPosition(t.focalPoint[0]-r*t.directionOfProjection[0],t.focalPoint[1]-r*t.directionOfProjection[1],t.focalPoint[2]-r*t.directionOfProjection[2])},e.roll=n=>{const r=t.position,o=t.focalPoint,i=t.viewUp,a=new Float64Array([i[0],i[1],i[2],0]);f(d);const s=new Float64Array([o[0]-r[0],o[1]-r[1],o[2]-r[2]]);_(d,d,xn(n),s),Mo(a,a,d),t.viewUp[0]=a[0],t.viewUp[1]=a[1],t.viewUp[2]=a[2],e.modified()},e.azimuth=n=>{const 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r=[...t.viewUp,1],o=[],i=[],a=[];r[0]+=t.position[0],r[1]+=t.position[1],r[2]+=t.position[2],Mo(o,[...t.position,1],n),Mo(i,[...t.focalPoint,1],n),Mo(a,r,n),a[0]-=o[0],a[1]-=o[1],a[2]-=o[2],e.setPosition(...o.slice(0,3)),e.setFocalPoint(...i.slice(0,3)),e.setViewUp(...a.slice(0,3))},e.getThickness=()=>t.clippingRange[1]-t.clippingRange[0],e.setThickness=n=>{let r=n;r<1e-20&&(r=1e-20,Sp("Thickness is set to minimum.")),e.setClippingRange(t.clippingRange[0],t.clippingRange[0]+r)},e.setThicknessFromFocalPoint=n=>{let r=n;r<1e-20&&(r=1e-20,Sp("Thickness is set to 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a=(t.windowCenter[0]-1)*r,s=(t.windowCenter[0]+1)*r,u=(t.windowCenter[1]-1)*o,c=(t.windowCenter[1]+1)*o,d=l[0],p=l[1];i[0]=2*d/(s-a),i[5]=2*d/(c-u),i[2]=(a+s)/(s-a),i[6]=(u+c)/(c-u),i[10]=-(d+p)/(p-d),i[14]=-1,i[11]=-2*d*p/(p-d),i[15]=0}}return c(o,i),o},e.getCompositeProjectionMatrix=(t,n,r)=>{const o=e.getViewMatrix(),i=e.getProjectionMatrix(t,n,r);return y(i,o,i),i},e.setDirectionOfProjection=(e,n,r)=>{if(t.directionOfProjection[0]===e&&t.directionOfProjection[1]===n&&t.directionOfProjection[2]===r)return;t.directionOfProjection[0]=e,t.directionOfProjection[1]=n,t.directionOfProjection[2]=r;const o=t.directionOfProjection;t.focalPoint[0]=t.position[0]+o[0]*t.distance,t.focalPoint[1]=t.position[1]+o[1]*t.distance,t.focalPoint[2]=t.position[2]+o[2]*t.distance,T()},e.setDeviceAngles=(n,r,o,i)=>{const a=[3];Bn(t.physicalViewNorth,t.physicalViewUp,a);const s=f(new 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r>e&&(e=r),e},e.getTransparent=()=>!!t.preserveColorBuffer,e.isActiveCameraCreated=()=>!!t.activeCamera}const Cf={pickedProp:null,activeCamera:null,allBounds:[],ambient:[1,1,1],allocatedRenderTime:100,timeFactor:1,automaticLightCreation:!0,twoSidedLighting:!0,lastRenderTimeInSeconds:-1,renderWindow:null,lights:[],actors:[],volumes:[],lightFollowCamera:!0,numberOfPropsRendered:0,propArray:null,pathArray:null,layer:0,preserveColorBuffer:!1,preserveDepthBuffer:!1,computeVisiblePropBounds:Dr(),interactive:!0,nearClippingPlaneTolerance:0,clippingRangeExpansion:.05,erase:!0,draw:!0,useShadows:!1,useDepthPeeling:!1,occlusionRatio:0,maximumNumberOfPeels:4,selector:null,delegate:null,texturedBackground:!1,backgroundTexture:null,environmentTexture:null,environmentTextureDiffuseStrength:1,environmentTextureSpecularStrength:1,useEnvironmentTextureAsBackground:!1,pass:0};function Af(e,t){let n=arguments.length>2&&void 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Df=Object.create(null);function If(e,t){Df[e]=t}function Of(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return Df[e]&&Df[e](t)}function Pf(e,t){t.classHierarchy.push("vtkRenderWindow"),e.addRenderer=n=>{e.hasRenderer(n)||(n.setRenderWindow(e),t.renderers.push(n),e.modified())},e.removeRenderer=n=>{t.renderers=t.renderers.filter((e=>e!==n)),e.modified()},e.hasRenderer=e=>-1!==t.renderers.indexOf(e),e.newAPISpecificView=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return Of(e||t.defaultViewAPI,n)},e.addView=n=>{e.hasView(n)||(n.setRenderable(e),t._views.push(n),e.modified())},e.removeView=n=>{t._views=t._views.filter((e=>e!==n)),e.modified()},e.hasView=e=>-1!==t._views.indexOf(e),e.preRender=()=>{t.renderers.forEach((e=>{e.isActiveCameraCreated()||e.resetCamera()}))},e.render=()=>{e.preRender(),t.interactor?t.interactor.render():t._views.forEach((e=>e.traverseAllPasses()))},e.getStatistics=()=>{const e={propCount:0,invisiblePropCount:0,gpuMemoryMB:0};return t._views.forEach((t=>{e.gpuMemoryMB+=t.getGraphicsMemoryInfo()/1e6})),t.renderers.forEach((n=>{const r=n.getViewProps(),o=t._views[0].getViewNodeFor(n);r.forEach((t=>{if(t.getVisibility()){e.propCount+=1;const n=t.getMapper&&t.getMapper();if(n&&n.getPrimitiveCount){const t=o.getViewNodeFor(n);if(t){e.gpuMemoryMB+=t.getAllocatedGPUMemoryInBytes()/1e6;const r=n.getPrimitiveCount();Object.keys(r).forEach((t=>{e[t]||(e[t]=0),e[t]+=r[t]}))}}}else e.invisiblePropCount+=1}))})),e.str=Object.keys(e).map((t=>`${t}: ${e[t]}`)).join("\n"),e},e.captureImages=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"image/png",r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return gt.setImmediate(e.render),t._views.map((e=>e.captureNextImage?e.captureNextImage(n,r):void 0)).filter((e=>!!e))}}const Nf={defaultViewAPI:"WebGL",renderers:[],views:[],interactor:null,neverRendered:!0,numberOfLayers:1};function 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Lf={Device:Ff,Input:kf,Axis:{Unknown:0,TouchpadX:1,TouchpadY:2,ThumbstickX:3,ThumbstickY:4}};const{Device:Bf,Input:Vf}=Lf,{vtkWarningMacro:Uf,vtkErrorMacro:Gf,normalizeWheel:zf,vtkOnceErrorMacro:jf}=gt,Wf={ctrlKey:!1,altKey:!1,shiftKey:!1},Hf={"xr-standard":[Vf.Trigger,Vf.Grip,Vf.TrackPad,Vf.Thumbstick,Vf.A,Vf.B]},Xf=["StartAnimation","Animation","EndAnimation","PointerEnter","PointerLeave","MouseEnter","MouseLeave","StartMouseMove","MouseMove","EndMouseMove","LeftButtonPress","LeftButtonRelease","MiddleButtonPress","MiddleButtonRelease","RightButtonPress","RightButtonRelease","KeyPress","KeyDown","KeyUp","StartMouseWheel","MouseWheel","EndMouseWheel","StartPinch","Pinch","EndPinch","StartPan","Pan","EndPan","StartRotate","Rotate","EndRotate","Button3D","Move3D","StartPointerLock","EndPointerLock","StartInteraction","Interaction","EndInteraction","AnimationFrameRateUpdate"];function Kf(e){e.cancelable&&e.preventDefault()}function qf(e){const t=Object.create(null);return e.forEach((e=>{let{pointerId:n,position:r}=e;t[n]=r})),t}function $f(e,t){t.classHierarchy.push("vtkRenderWindowInteractor");const n=new Set,r=new Map;let o=1;function i(n,r){t._forcedRenderer||(t.currentRenderer=e.findPokedRenderer(n,r))}e.start=()=>{(t.initialized||(e.initialize(),t.initialized))&&e.startEventLoop()},e.setRenderWindow=e=>{Gf("you want to call setView(view) instead of setRenderWindow on a vtk.js interactor")},e.setInteractorStyle=n=>{t.interactorStyle!==n&&(null!=t.interactorStyle&&t.interactorStyle.setInteractor(null),t.interactorStyle=n,null!=t.interactorStyle&&t.interactorStyle.getInteractor()!==e&&t.interactorStyle.setInteractor(e))},e.initialize=()=>{t.initialized=!0,e.enable(),e.render()},e.enable=()=>e.setEnabled(!0),e.disable=()=>e.setEnabled(!1),e.startEventLoop=()=>Uf("empty event loop"),e.getCurrentRenderer=()=>(t.currentRenderer||i(0,0),t.currentRenderer);const a=t._getScreenEventPositionFor||function(e){const n=t._view.getCanvas(),o=n.getBoundingClientRect(),a=n.width/o.width,s=n.height/o.height,l={x:a*(e.clientX-o.left),y:s*(o.height-e.clientY+o.top),z:0};return(r.size<=1||!t.currentRenderer)&&i(l.x,l.y),l};function s(e){return{controlKey:e.ctrlKey,altKey:e.altKey,shiftKey:e.shiftKey}}function l(e){const t=s(e);return{key:e.key,keyCode:e.charCode,...t}}function u(e){return e.pointerType||""}function c(){t._view&&t.enabled&&t.enableRender&&(t.inRender=!0,t._view.traverseAllPasses(),t.inRender=!1),e.invokeRenderEvent()}e.bindEvents=n=>{t.container=n,n.addEventListener("contextmenu",Kf),n.addEventListener("wheel",e.handleWheel),n.addEventListener("DOMMouseScroll",e.handleWheel),n.addEventListener("pointerenter",e.handlePointerEnter),n.addEventListener("pointerleave",e.handlePointerLeave),n.addEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.addEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.addEventListener("pointerup",e.handlePointerUp),n.addEventListener("pointercancel",e.handlePointerCancel),document.addEventListener("keypress",e.handleKeyPress),document.addEventListener("keydown",e.handleKeyDown),document.addEventListener("keyup",e.handleKeyUp),document.addEventListener("pointerlockchange",e.handlePointerLockChange),n.style.touchAction="none",n.style.userSelect="none",n.style.webkitTapHighlightColor="rgba(0,0,0,0)"},e.unbindEvents=()=>{const{container:n}=t;n.removeEventListener("contextmenu",Kf),n.removeEventListener("wheel",e.handleWheel),n.removeEventListener("DOMMouseScroll",e.handleWheel),n.removeEventListener("pointerenter",e.handlePointerEnter),n.removeEventListener("pointerleave",e.handlePointerLeave),n.removeEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.removeEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.removeEventListener("pointerup",e.handlePointerUp),n.removeEventListener("pointercancel",e.handlePointerCancel),document.removeEventListener("keypress",e.handleKeyPress),document.removeEventListener("keydown",e.handleKeyDown),document.removeEventListener("keyup",e.handleKeyUp),document.removeEventListener("pointerlockchange",e.handlePointerLockChange),t.container=null,r.clear()},e.handleKeyPress=t=>{const n=l(t);e.keyPressEvent(n)},e.handleKeyDown=t=>{const n=l(t);e.keyDownEvent(n)},e.handleKeyUp=t=>{const n=l(t);e.keyUpEvent(n)},e.handlePointerEnter=t=>{const n={...s(t),position:a(t),deviceType:u(t)};e.pointerEnterEvent(n),"mouse"===n.deviceType&&e.mouseEnterEvent(n)},e.handlePointerLeave=t=>{const n={...s(t),position:a(t),deviceType:u(t)};e.pointerLeaveEvent(n),"mouse"===n.deviceType&&e.mouseLeaveEvent(n)},e.handlePointerDown=n=>{if(!(n.button>2||e.isPointerLocked()))switch(t.preventDefaultOnPointerDown&&Kf(n),n.target.hasPointerCapture(n.pointerId)&&n.target.releasePointerCapture(n.pointerId),t.container.setPointerCapture(n.pointerId),r.has(n.pointerId)&&Uf("[RenderWindowInteractor] duplicate pointerId 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pressed: ${t.button}`)}},e.requestPointerLock=()=>{t.container&&t.container.requestPointerLock()},e.exitPointerLock=()=>document.exitPointerLock?.(),e.isPointerLocked=()=>!!t.container&&document.pointerLockElement===t.container,e.handlePointerLockChange=()=>{e.isPointerLocked()?e.startPointerLockEvent():e.endPointerLockEvent()},e.requestAnimation=r=>{void 0!==r?n.has(r)?Uf("requester is already registered for animating"):(n.add(r),t.animationRequest||1!==n.size||t.xrAnimation||(t._animationStartTime=Date.now(),t._animationFrameCount=0,t.animationRequest=requestAnimationFrame(e.handleAnimation),e.startAnimationEvent())):Gf("undefined requester, can not start animating")},e.extendAnimation=r=>{const o=Date.now()+r;t._animationExtendedEnd=Math.max(t._animationExtendedEnd,o),t.animationRequest||0!==n.size||t.xrAnimation||(t._animationStartTime=Date.now(),t._animationFrameCount=0,t.animationRequest=requestAnimationFrame(e.handleAnimation),e.startAnimationEvent())},e.isAnimating=()=>t.xrAnimation||null!==t.animationRequest,e.cancelAnimation=function(r){let o=arguments.length>1&&void 0!==arguments[1]&&arguments[1];if(n.has(r))n.delete(r),t.animationRequest&&0===n.size&&Date.now()>t._animationExtendedEnd&&(cancelAnimationFrame(t.animationRequest),t.animationRequest=null,e.endAnimationEvent(),e.render());else if(!o){const e=r&&r.getClassName?r.getClassName():r;Uf(`${e} did not request an animation`)}},e.switchToXRAnimation=()=>{t.animationRequest&&(cancelAnimationFrame(t.animationRequest),t.animationRequest=null),t.xrAnimation=!0},e.returnFromXRAnimation=()=>{t.xrAnimation=!1,0!==n.size&&(t.recentAnimationFrameRate=10,t.animationRequest=requestAnimationFrame(e.handleAnimation))},e.updateXRGamepads=(n,r,o)=>{n.inputSources.forEach((n=>{const i=null==n.gripSpace?null:r.getPose(n.gripSpace,o),a=n.gamepad,s=n.handedness;if(a){a.index in t.lastGamepadValues||(t.lastGamepadValues[a.index]={left:{buttons:{}},right:{buttons:{}},none:{buttons:{}}});for(let r=0;r{const r={...s(n),position:a(n),deviceType:u(n)};0===t.moveTimeoutID?e.startMouseMoveEvent(r):(e.mouseMoveEvent(r),clearTimeout(t.moveTimeoutID)),t.moveTimeoutID=setTimeout((()=>{e.endMouseMoveEvent(),t.moveTimeoutID=0}),200)},e.handleAnimation=()=>{const r=Date.now();t._animationFrameCount++,r-t._animationStartTime>1e3&&t._animationFrameCount>1&&(t.recentAnimationFrameRate=1e3*(t._animationFrameCount-1)/(r-t._animationStartTime),t.lastFrameTime=1/t.recentAnimationFrameRate,e.animationFrameRateUpdateEvent(),t._animationStartTime=r,t._animationFrameCount=1),e.animationEvent(),c(),n.size>0||Date.now(){Kf(n);const r={...zf(n),...s(n),position:a(n),deviceType:u(n)};0===t.wheelTimeoutID&&(o=Math.abs(r.spinY)>=.3?Math.abs(r.spinY):1),r.spinY/=o,0===t.wheelTimeoutID?(e.startMouseWheelEvent(r),e.mouseWheelEvent(r)):(e.mouseWheelEvent(r),clearTimeout(t.wheelTimeoutID)),t.mouseScrollDebounceByPass?(e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0):t.wheelTimeoutID=setTimeout((()=>{e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0}),200)},e.handleMouseUp=t=>{const n={...s(t),position:a(t),deviceType:u(t)};switch(t.button){case 0:e.leftButtonReleaseEvent(n);break;case 1:e.middleButtonReleaseEvent(n);break;case 2:e.rightButtonReleaseEvent(n);break;default:Gf(`Unknown mouse button released: ${t.button}`)}},e.handleTouchStart=n=>{const o=[...r.values()];if(t.recognizeGestures&&o.length>1){const t=qf(r);if(2===o.length){const t={...s(Wf),position:o[0].position,deviceType:u(n)};e.leftButtonReleaseEvent(t)}e.recognizeGesture("TouchStart",t)}else if(1===o.length){const t={...s(Wf),position:a(n),deviceType:u(n)};e.leftButtonPressEvent(t)}},e.handleTouchMove=n=>{const o=[...r.values()];if(t.recognizeGestures&&o.length>1){const t=qf(r);e.recognizeGesture("TouchMove",t)}else if(1===o.length){const t={...s(Wf),position:o[0].position,deviceType:u(n)};e.mouseMoveEvent(t)}},e.handleTouchEnd=n=>{const o=[...r.values()];if(t.recognizeGestures)if(0===o.length){const t={...s(Wf),position:a(n),deviceType:u(n)};e.leftButtonReleaseEvent(t)}else if(1===o.length){const t=qf(r);e.recognizeGesture("TouchEnd",t);const i={...s(Wf),position:o[0].position,deviceType:u(n)};e.leftButtonPressEvent(i)}else{const t=qf(r);e.recognizeGesture("TouchMove",t)}else if(1===o.length){const t={...s(Wf),position:o[0].position,deviceType:u(n)};e.leftButtonReleaseEvent(t)}},e.setView=n=>{t._view!==n&&(t._view=n,t._view.getRenderable().setInteractor(e),e.modified())},e.getFirstRenderer=()=>t._view?.getRenderable()?.getRenderersByReference()?.[0],e.findPokedRenderer=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;if(!t._view)return null;const r=t._view?.getRenderable()?.getRenderers();if(!r||0===r.length)return null;r.sort(((e,t)=>e.getLayer()-t.getLayer()));let o=null,i=null,a=null,s=r.length;for(;s--;){const l=r[s];if(t._view.isInViewport(e,n,l)&&l.getInteractive()){a=l;break}null===o&&l.getInteractive()&&(o=l),null===i&&t._view.isInViewport(e,n,l)&&(i=l)}return null===a&&(a=o),null===a&&(a=i),null==a&&(a=r[0]),a},e.render=()=>{e.isAnimating()||t.inRender||c()},Xf.forEach((n=>{const r=n.charAt(0).toLowerCase()+n.slice(1);e[`${r}Event`]=r=>{if(!t.enabled)return;if(!e.getCurrentRenderer())return void jf("\n Can not forward events without a current renderer on the interactor.\n ");const o={type:n,pokedRenderer:t.currentRenderer,firstRenderer:e.getFirstRenderer(),...r};e[`invoke${n}`](o)}})),e.recognizeGesture=(n,r)=>{if(Object.keys(r).length>2)return;if(t.startingEventPositions||(t.startingEventPositions={}),"TouchStart"===n)return Object.keys(r).forEach((e=>{t.startingEventPositions[e]=r[e]})),void(t.currentGesture="Start");if("TouchEnd"===n)return"Pinch"===t.currentGesture&&(e.render(),e.endPinchEvent()),"Rotate"===t.currentGesture&&(e.render(),e.endRotateEvent()),"Pan"===t.currentGesture&&(e.render(),e.endPanEvent()),t.currentGesture="Start",void(t.startingEventPositions={});let o=0;const i=[],a=[];Object.keys(r).forEach((e=>{i[o]=r[e],a[o]=t.startingEventPositions[e],o++}));const s=Math.sqrt((a[0].x-a[1].x)*(a[0].x-a[1].x)+(a[0].y-a[1].y)*(a[0].y-a[1].y)),l=Math.sqrt((i[0].x-i[1].x)*(i[0].x-i[1].x)+(i[0].y-i[1].y)*(i[0].y-i[1].y));let u=_n(Math.atan2(a[1].y-a[0].y,a[1].x-a[0].x)),c=_n(Math.atan2(i[1].y-i[0].y,i[1].x-i[0].x)),d=c-u;c=c+180>=360?c-180:c+180,u=u+180>=360?u-180:u+180,Math.abs(c-u)n&&o>i&&o>a){t.currentGesture="Pinch";const n={scale:1,touches:r};e.startPinchEvent(n)}else if(i>n&&i>a){t.currentGesture="Rotate";const n={rotation:0,touches:r};e.startRotateEvent(n)}else if(a>n){t.currentGesture="Pan";const n={translation:[0,0],touches:r};e.startPanEvent(n)}}else{if("Rotate"===t.currentGesture){const t={rotation:d,touches:r};e.rotateEvent(t)}if("Pinch"===t.currentGesture){const t={scale:l/s,touches:r};e.pinchEvent(t)}if("Pan"===t.currentGesture){const t={translation:p,touches:r};e.panEvent(t)}}},e.handleVisibilityChange=()=>{t._animationStartTime=Date.now(),t._animationFrameCount=0},e.setCurrentRenderer=e=>{t._forcedRenderer=!!e,t.currentRenderer=e};const d=e.delete;e.delete=()=>{for(;n.size;)e.cancelAnimation(n.values().next().value);void 0!==document.hidden&&document.removeEventListener("visibilitychange",e.handleVisibilityChange),t.container&&e.unbindEvents(),d()},void 0!==document.hidden&&document.addEventListener("visibilitychange",e.handleVisibilityChange,!1)}const Yf={renderWindow:null,interactorStyle:null,picker:null,pickingManager:null,initialized:!1,enabled:!1,enableRender:!0,currentRenderer:null,lightFollowCamera:!0,desiredUpdateRate:30,stillUpdateRate:2,container:null,recognizeGestures:!0,currentGesture:"Start",animationRequest:null,lastFrameTime:.1,recentAnimationFrameRate:10,wheelTimeoutID:0,moveTimeoutID:0,lastGamepadValues:{},preventDefaultOnPointerDown:!1,preventDefaultOnPointerUp:!1,mouseScrollDebounceByPass:!1};function Jf(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Yf,n),gt.obj(e,t),t._animationExtendedEnd=0,gt.event(e,t,"RenderEvent"),Xf.forEach((n=>gt.event(e,t,n))),gt.get(e,t,["initialized","container","interactorStyle","lastFrameTime","recentAnimationFrameRate","_view"]),gt.setGet(e,t,["lightFollowCamera","enabled","enableRender","recognizeGestures","desiredUpdateRate","stillUpdateRate","picker","preventDefaultOnPointerDown","preventDefaultOnPointerUp","mouseScrollDebounceByPass"]),gt.moveToProtected(e,t,["view"]),$f(e,t)}var Qf={newInstance:gt.newInstance(Jf,"vtkRenderWindowInteractor"),extend:Jf,handledEvents:Xf,...Lf};const{vtkErrorMacro:Zf,VOID:eh}=gt;function th(e,t){t.classHierarchy.push("vtkInteractorObserver");const n={...e};function r(){for(;t.subscribedEvents.length;)t.subscribedEvents.pop().unsubscribe()}function o(){Qf.handledEvents.forEach((n=>{e[`handle${n}`]&&t.subscribedEvents.push(t._interactor[`on${n}`]((r=>t.processEvents?e[`handle${n}`](r):eh),t.priority))}))}e.setInteractor=n=>{n!==t._interactor&&(r(),t._interactor=n,n&&t.enabled&&o(),e.modified())},e.setEnabled=n=>{n!==t.enabled&&(r(),n&&(t._interactor?o():Zf("\n The interactor must be set before subscribing to events\n ")),t.enabled=n,e.modified())},e.computeDisplayToWorld=(e,n,r,o)=>e?t._interactor.getView().displayToWorld(n,r,o,e):null,e.computeWorldToDisplay=(e,n,r,o)=>e?t._interactor.getView().worldToDisplay(n,r,o,e):null,e.setPriority=e=>{n.setPriority(e)&&t._interactor&&(r(),o())}}const nh={enabled:!0,priority:0,processEvents:!0,subscribedEvents:[]};function rh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,nh,n),gt.obj(e,t),gt.event(e,t,"InteractionEvent"),gt.event(e,t,"StartInteractionEvent"),gt.event(e,t,"EndInteractionEvent"),gt.get(e,t,["_interactor","enabled"]),gt.setGet(e,t,["priority","processEvents"]),gt.moveToProtected(e,t,["interactor"]),th(e,t)}var oh={newInstance:gt.newInstance(rh,"vtkInteractorObserver"),extend:rh,computeWorldToDisplay:function(e,t,n,r){return e.getRenderWindow().getViews()[0].worldToDisplay(t,n,r,e)},computeDisplayToWorld:function(e,t,n,r){return e.getRenderWindow().getViews()[0].displayToWorld(t,n,r,e)}},ih={States:{IS_START:0,IS_NONE:0,IS_ROTATE:1,IS_PAN:2,IS_SPIN:3,IS_DOLLY:4,IS_CAMERA_POSE:11,IS_WINDOW_LEVEL:1024,IS_SLICE:1025}};const{States:ah}=ih,sh={Rotate:ah.IS_ROTATE,Pan:ah.IS_PAN,Spin:ah.IS_SPIN,Dolly:ah.IS_DOLLY,CameraPose:ah.IS_CAMERA_POSE,WindowLevel:ah.IS_WINDOW_LEVEL,Slice:ah.IS_SLICE};function lh(e,t){t.classHierarchy.push("vtkInteractorStyle"),Object.keys(sh).forEach((n=>{gt.event(e,t,`Start${n}Event`),e[`start${n}`]=()=>{t.state===ah.IS_NONE&&(t.state=sh[n],t._interactor.requestAnimation(e),e.invokeStartInteractionEvent({type:"StartInteractionEvent"}),e[`invokeStart${n}Event`]({type:`Start${n}Event`}))},gt.event(e,t,`End${n}Event`),e[`end${n}`]=()=>{t.state===sh[n]&&(t.state=ah.IS_NONE,t._interactor.cancelAnimation(e),e.invokeEndInteractionEvent({type:"EndInteractionEvent"}),e[`invokeEnd${n}Event`]({type:`End${n}Event`}),t._interactor.render())}})),e.handleKeyPress=e=>{const n=t._interactor;let r=null;switch(e.key){case"r":case"R":e.pokedRenderer.resetCamera(),n.render();break;case"w":case"W":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToWireframe&&t.setRepresentationToWireframe()})),n.render();break;case"s":case"S":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToSurface&&t.setRepresentationToSurface()})),n.render();break;case"v":case"V":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToPoints&&t.setRepresentationToPoints()})),n.render()}}}const uh={state:ah.IS_NONE,handleObservers:1,autoAdjustCameraClippingRange:1};function ch(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uh,n),oh.extend(e,t,n),lh(e,t)}var dh={newInstance:gt.newInstance(ch,"vtkInteractorStyle"),extend:ch,...ih};const{States:ph}=ih;function fh(e,t){t.classHierarchy.push("vtkInteractorStyleTrackballCamera"),e.handleMouseMove=n=>{const r=n.position,o=n.pokedRenderer;switch(t.state){case ph.IS_ROTATE:e.handleMouseRotate(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case ph.IS_PAN:e.handleMousePan(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case ph.IS_DOLLY:e.handleMouseDolly(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case ph.IS_SPIN:e.handleMouseSpin(o,r),e.invokeInteractionEvent({type:"InteractionEvent"})}t.previousPosition=r},e.handleButton3D=n=>{!n||!n.pressed||n.device!==Ff.RightController||n.input!==kf.Trigger&&n.input!==kf.TrackPad?!n||n.pressed||n.device!==Ff.RightController||n.input!==kf.Trigger&&n.input!==kf.TrackPad||t.state!==ph.IS_CAMERA_POSE||e.endCameraPose():e.startCameraPose()},e.handleMove3D=n=>{t.state===ph.IS_CAMERA_POSE&&e.updateCameraPose(n)},e.updateCameraPose=e=>{const t=e.pokedRenderer.getActiveCamera(),n=t.getPhysicalTranslation(),r=.025*t.getPhysicalScale(),o=t.physicalOrientationToWorldDirection([e.orientation.x,e.orientation.y,e.orientation.z,e.orientation.w]);t.setPhysicalTranslation(n[0]+o[0]*r,n[1]+o[1]*r,n[2]+o[2]*r)},e.handleLeftButtonPress=n=>{const r=n.position;t.previousPosition=r,n.shiftKey?n.controlKey||n.altKey?e.startDolly():e.startPan():n.controlKey||n.altKey?e.startSpin():e.startRotate()},e.handleLeftButtonRelease=()=>{switch(t.state){case ph.IS_DOLLY:e.endDolly();break;case ph.IS_PAN:e.endPan();break;case ph.IS_SPIN:e.endSpin();break;case ph.IS_ROTATE:e.endRotate()}},e.handleStartMouseWheel=()=>{e.startDolly()},e.handleEndMouseWheel=()=>{e.endDolly()},e.handleStartPinch=n=>{t.previousScale=n.scale,e.startDolly()},e.handleEndPinch=()=>{e.endDolly()},e.handleStartRotate=n=>{t.previousRotation=n.rotation,e.startRotate()},e.handleEndRotate=()=>{e.endRotate()},e.handleStartPan=n=>{t.previousTranslation=n.translation,e.startPan()},e.handleEndPan=()=>{e.endPan()},e.handlePinch=n=>{e.dollyByFactor(n.pokedRenderer,n.scale/t.previousScale),t.previousScale=n.scale},e.handlePan=n=>{const r=n.pokedRenderer.getActiveCamera();let o=r.getFocalPoint();o=e.computeWorldToDisplay(n.pokedRenderer,o[0],o[1],o[2]);const i=o[2],a=n.translation,s=t.previousTranslation,l=e.computeDisplayToWorld(n.pokedRenderer,o[0]+a[0]-s[0],o[1]+a[1]-s[1],i),u=e.computeDisplayToWorld(n.pokedRenderer,o[0],o[1],i),c=[];c[0]=u[0]-l[0],c[1]=u[1]-l[1],c[2]=u[2]-l[2],o=r.getFocalPoint();const d=r.getPosition();r.setFocalPoint(c[0]+o[0],c[1]+o[1],c[2]+o[2]),r.setPosition(c[0]+d[0],c[1]+d[1],c[2]+d[2]),t._interactor.getLightFollowCamera()&&n.pokedRenderer.updateLightsGeometryToFollowCamera(),r.orthogonalizeViewUp(),t.previousTranslation=n.translation},e.handleRotate=e=>{const n=e.pokedRenderer.getActiveCamera();n.roll(e.rotation-t.previousRotation),n.orthogonalizeViewUp(),t.previousRotation=e.rotation},e.handleMouseRotate=(e,n)=>{if(!t.previousPosition)return;const r=t._interactor,o=n.x-t.previousPosition.x,i=n.y-t.previousPosition.y,a=r.getView().getViewportSize(e);let s=-.1,l=-.1;a[0]&&a[1]&&(s=-20/a[1],l=-20/a[0]);const u=o*l*t.motionFactor,c=i*s*t.motionFactor,d=e.getActiveCamera();Number.isNaN(u)||Number.isNaN(c)||(d.azimuth(u),d.elevation(c),d.orthogonalizeViewUp()),t.autoAdjustCameraClippingRange&&e.resetCameraClippingRange(),r.getLightFollowCamera()&&e.updateLightsGeometryToFollowCamera()},e.handleMouseSpin=(e,n)=>{if(!t.previousPosition)return;const r=t._interactor,o=e.getActiveCamera(),i=r.getView().getViewportCenter(e),a=_n(Math.atan2(t.previousPosition.y-i[1],t.previousPosition.x-i[0])),s=_n(Math.atan2(n.y-i[1],n.x-i[0]))-a;Number.isNaN(s)||(o.roll(s),o.orthogonalizeViewUp())},e.handleMousePan=(n,r)=>{if(!t.previousPosition)return;const o=n.getActiveCamera();let i=o.getFocalPoint();i=e.computeWorldToDisplay(n,i[0],i[1],i[2]);const a=i[2],s=e.computeDisplayToWorld(n,r.x,r.y,a),l=e.computeDisplayToWorld(n,t.previousPosition.x,t.previousPosition.y,a),u=[];u[0]=l[0]-s[0],u[1]=l[1]-s[1],u[2]=l[2]-s[2],i=o.getFocalPoint();const c=o.getPosition();o.setFocalPoint(u[0]+i[0],u[1]+i[1],u[2]+i[2]),o.setPosition(u[0]+c[0],u[1]+c[1],u[2]+c[2]),t._interactor.getLightFollowCamera()&&n.updateLightsGeometryToFollowCamera()},e.handleMouseDolly=(n,r)=>{if(!t.previousPosition)return;const o=r.y-t.previousPosition.y,i=t._interactor.getView().getViewportCenter(n),a=t.motionFactor*o/i[1];e.dollyByFactor(n,1.1**a)},e.handleMouseWheel=n=>{const r=1-n.spinY/t.zoomFactor;e.dollyByFactor(n.pokedRenderer,r)},e.dollyByFactor=(e,n)=>{if(Number.isNaN(n))return;const r=e.getActiveCamera();r.getParallelProjection()?r.setParallelScale(r.getParallelScale()/n):(r.dolly(n),t.autoAdjustCameraClippingRange&&e.resetCameraClippingRange()),t._interactor.getLightFollowCamera()&&e.updateLightsGeometryToFollowCamera()}}const hh={motionFactor:10,zoomFactor:10};function mh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,hh,n),dh.extend(e,t,n),gt.setGet(e,t,["motionFactor","zoomFactor"]),fh(e,t)}var gh={newInstance:gt.newInstance(mh,"vtkInteractorStyleTrackballCamera"),extend:mh};function vh(e){return e}function yh(e){return null===e||"null"===e?null:"true"===e||"false"!==e&&(void 0!==e&&"undefined"!==e?"["===e[0]&&"]"===e[e.length-1]?e.substring(1,e.length-1).split(",").map((e=>yh(e.trim()))):""===e||Number.isNaN(Number(e))?e:Number(e):void 0)}var bh=function(){let e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0],t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:window.location.search;const n={},r=e?yh:vh,o=(t||"").replace(/#.*/,"").replace("?","").split("&");return o.forEach((e=>{const[t,o]=e.split("=").map((e=>decodeURIComponent(e)));t&&(n[t]=!o||r(o))})),n},xh={CoordinateSystem:{DISPLAY:0,WORLD:1}};const{CoordinateSystem:_h}=xh;function Th(e){return()=>gt.vtkErrorMacro(`vtkProp::${e} - NOT IMPLEMENTED`)}function Sh(e,t){t.classHierarchy.push("vtkProp"),e.getMTime=()=>{let e=t.mtime;for(let n=0;ne&&(e=r)}return e},e.processSelectorPixelBuffers=(e,t)=>{},e.getNestedProps=()=>null,e.getActors=()=>[],e.getActors2D=()=>[],e.getVolumes=()=>[],e.pick=Th("pick"),e.hasKey=Th("hasKey"),e.getNestedVisibility=()=>t.visibility&&(!t._parentProp||t._parentProp.getNestedVisibility()),e.getNestedPickable=()=>t.pickable&&(!t._parentProp||t._parentProp.getNestedPickable()),e.getNestedDragable=()=>t.dragable&&(!t._parentProp||t._parentProp.getNestedDragable()),e.getRedrawMTime=()=>t.mtime,e.setEstimatedRenderTime=e=>{t.estimatedRenderTime=e,t.savedEstimatedRenderTime=e},e.restoreEstimatedRenderTime=()=>{t.estimatedRenderTime=t.savedEstimatedRenderTime},e.addEstimatedRenderTime=e=>{t.estimatedRenderTime+=e},e.setAllocatedRenderTime=e=>{t.allocatedRenderTime=e,t.savedEstimatedRenderTime=t.estimatedRenderTime,t.estimatedRenderTime=0},e.getSupportsSelection=()=>!1,e.getTextures=()=>t.textures,e.hasTexture=e=>-1!==t.textures.indexOf(e),e.addTexture=n=>{n&&!e.hasTexture(n)&&(t.textures=t.textures.concat(n),e.modified())},e.removeTexture=n=>{const r=t.textures.filter((e=>e!==n));t.textures.length!==r.length&&(t.textures=r,e.modified())},e.removeAllTextures=()=>{t.textures=[],e.modified()},e.setCoordinateSystemToWorld=()=>e.setCoordinateSystem(_h.WORLD),e.setCoordinateSystemToDisplay=()=>e.setCoordinateSystem(_h.DISPLAY)}const wh={allocatedRenderTime:10,coordinateSystem:_h.WORLD,dragable:!0,estimatedRenderTime:0,paths:null,pickable:!0,renderTimeMultiplier:1,savedEstimatedRenderTime:0,textures:[],useBounds:!0,visibility:!0};function Ch(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,wh,n),gt.obj(e,t),gt.get(e,t,["estimatedRenderTime","allocatedRenderTime"]),gt.setGet(e,t,["_parentProp","coordinateSystem","dragable","pickable","renderTimeMultiplier","useBounds","visibility"]),gt.moveToProtected(e,t,["parentProp"]),Sh(e,t)}var Ah={newInstance:gt.newInstance(Ch,"vtkProp"),extend:Ch,...xh};function Eh(e,t){t.classHierarchy.push("vtkProp3D"),e.addPosition=n=>{t.position=t.position.map(((e,t)=>e+n[t])),e.modified()},e.getOrientationWXYZ=()=>{const e=Ro();F(e,t.rotation);const n=new Float64Array(3),r=function(e,t){var n=2*Math.acos(t[3]),r=Math.sin(n/2);return r>o?(e[0]=t[0]/r,e[1]=t[1]/r,e[2]=t[2]/r):(e[0]=1,e[1]=0,e[2]=0),n}(n,e);return[_n(r),n[0],n[1],n[2]]},e.rotateX=n=>{0!==n&&(T(t.rotation,t.rotation,xn(n)),e.modified())},e.rotateY=n=>{0!==n&&(S(t.rotation,t.rotation,xn(n)),e.modified())},e.rotateZ=n=>{0!==n&&(w(t.rotation,t.rotation,xn(n)),e.modified())},e.rotateWXYZ=(n,r,o,i)=>{if(0===n||0===r&&0===o&&0===i)return;const a=xn(n),s=Ro();Fo(s,[r,o,i],a);const l=new Float64Array(16);B(l,s),y(t.rotation,t.rotation,l),e.modified()},e.setOrientation=(n,r,o)=>(n!==t.orientation[0]||r!==t.orientation[1]||o!==t.orientation[2])&&(t.orientation=[n,r,o],f(t.rotation),e.rotateZ(o),e.rotateX(n),e.rotateY(r),e.modified(),!0),e.setUserMatrix=n=>!$n(t.userMatrix,n)&&(c(t.userMatrix,n),e.modified(),!0),e.getMatrix=()=>(e.computeMatrix(),t.matrix),e.computeMatrix=()=>{if(e.getMTime()>t.matrixMTime.getMTime()){f(t.matrix),t.userMatrix&&y(t.matrix,t.matrix,t.userMatrix),b(t.matrix,t.matrix,t.origin),b(t.matrix,t.matrix,t.position),y(t.matrix,t.matrix,t.rotation),x(t.matrix,t.matrix,t.scale),b(t.matrix,t.matrix,[-t.origin[0],-t.origin[1],-t.origin[2]]),h(t.matrix,t.matrix),t.isIdentity=!0;for(let e=0;e<4;++e)for(let n=0;n<4;++n)(e===n?1:0)!==t.matrix[e+4*n]&&(t.isIdentity=!1);t.matrixMTime.modified()}},e.getCenter=()=>bf.getCenter(t.bounds),e.getLength=()=>bf.getLength(t.bounds),e.getXRange=()=>bf.getXRange(t.bounds),e.getYRange=()=>bf.getYRange(t.bounds),e.getZRange=()=>bf.getZRange(t.bounds),e.getUserMatrix=()=>t.userMatrix,e.onModified((function(){e.computeMatrix()}))}const Dh={origin:[0,0,0],position:[0,0,0],orientation:[0,0,0],rotation:null,scale:[1,1,1],bounds:[1,-1,1,-1,1,-1],userMatrix:null,userMatrixMTime:null,cachedProp3D:null,isIdentity:!0,matrixMTime:null};function Ih(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Dh,n),Ah.extend(e,t,n),t.matrixMTime={},gt.obj(t.matrixMTime),gt.get(e,t,["bounds","isIdentity"]),gt.getArray(e,t,["orientation"]),gt.setGetArray(e,t,["origin","position","scale"],3),t.matrix=f(new Float64Array(16)),t.rotation=f(new Float64Array(16)),t.userMatrix=f(new Float64Array(16)),t.transform=null,Eh(e,t)}var Oh={newInstance:gt.newInstance(Ih,"vtkProp3D"),extend:Ih};const{vtkDebugMacro:Ph}=gt;function Nh(e,t){t.classHierarchy.push("vtkActor");const n={...e};e.getActors=()=>[e],e.getIsOpaque=()=>{if(t.forceOpaque)return!0;if(t.forceTranslucent)return!1;t.property||e.getProperty();let n=t.property.getOpacity()>=1;return n=n&&(!t.texture||!t.texture.isTranslucent()),n=n&&(!t.mapper||t.mapper.getIsOpaque()),n},e.hasTranslucentPolygonalGeometry=()=>null!==t.mapper&&(null===t.property&&e.setProperty(e.makeProperty()),!e.getIsOpaque()),e.makeProperty=wu.newInstance,e.getProperty=()=>(null===t.property&&(t.property=e.makeProperty()),t.property),e.getBounds=()=>{if(null===t.mapper)return t.bounds;const n=t.mapper.getBounds();if(!n||6!==n.length)return n;if(n[0]>n[1])return t.mapperBounds=n.concat(),t.bounds=[1,-1,1,-1,1,-1],t.boundsMTime.modified(),n;if(!t.mapperBounds||n[0]!==t.mapperBounds[0]||n[1]!==t.mapperBounds[1]||n[2]!==t.mapperBounds[2]||n[3]!==t.mapperBounds[3]||n[4]!==t.mapperBounds[4]||n[5]!==t.mapperBounds[5]||e.getMTime()>t.boundsMTime.getMTime()){Ph("Recomputing bounds..."),t.mapperBounds=n.concat();const r=[];bf.getCorners(n,r),e.computeMatrix();const o=new Float64Array(16);h(o,t.matrix),r.forEach((e=>Yt(e,e,o))),t.bounds[0]=t.bounds[2]=t.bounds[4]=Number.MAX_VALUE,t.bounds[1]=t.bounds[3]=t.bounds[5]=-Number.MAX_VALUE,t.bounds=t.bounds.map(((e,t)=>t%2==0?r.reduce(((e,n)=>e>n[t/2]?n[t/2]:e),e):r.reduce(((e,n)=>e{let e=n.getMTime();if(null!==t.property){const n=t.property.getMTime();e=n>e?n:e}if(null!==t.backfaceProperty){const n=t.backfaceProperty.getMTime();e=n>e?n:e}return e},e.getRedrawMTime=()=>{let e=t.mtime;if(null!==t.mapper){let n=t.mapper.getMTime();e=n>e?n:e,null!==t.mapper.getInput()&&(t.mapper.getInputAlgorithm().update(),n=t.mapper.getInput().getMTime(),e=n>e?n:e)}return e},e.getSupportsSelection=()=>!!t.mapper&&t.mapper.getSupportsSelection(),e.processSelectorPixelBuffers=(e,n)=>{t.mapper&&t.mapper.processSelectorPixelBuffers&&t.mapper.processSelectorPixelBuffers(e,n)}}const Mh={mapper:null,property:null,backfaceProperty:null,forceOpaque:!1,forceTranslucent:!1,bounds:[1,-1,1,-1,1,-1]};function Rh(e,t){t.classHierarchy.push("vtkAbstractMapper"),e.update=()=>{e.getInputData()},e.addClippingPlane=n=>!!n.isA("vtkPlane")&&!t.clippingPlanes.includes(n)&&(t.clippingPlanes.push(n),e.modified(),!0),e.getNumberOfClippingPlanes=()=>t.clippingPlanes.length,e.removeAllClippingPlanes=()=>0!==t.clippingPlanes.length&&(t.clippingPlanes.length=0,e.modified(),!0),e.removeClippingPlane=n=>{const r=t.clippingPlanes.indexOf(n);return-1!==r&&(t.clippingPlanes.splice(r,1),e.modified(),!0)},e.getClippingPlanes=()=>t.clippingPlanes,e.setClippingPlanes=t=>{if(t)if(Array.isArray(t)){const n=t.length;for(let r=0;r{const o=t.clippingPlanes,i=e;if(o){const e=o.length;if(n>=0&&n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Mh,n),Oh.extend(e,t,n),t.boundsMTime={},gt.obj(t.boundsMTime),gt.set(e,t,["property"]),gt.setGet(e,t,["backfaceProperty","forceOpaque","forceTranslucent","mapper"]),Nh(e,t)}),"vtkActor");const Fh={clippingPlanes:[]};var kh=function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fh,n),gt.obj(e,t),gt.algo(e,t,1,0),t.clippingPlanes||(t.clippingPlanes=[]),Rh(e,t)};function Lh(e,t){e.getBounds=()=>(gt.vtkErrorMacro("vtkAbstractMapper3D.getBounds - NOT IMPLEMENTED"),Dr()),e.getCenter=()=>{const n=e.getBounds();return t.center=bf.isValid(n)?bf.getCenter(n):null,t.center?.slice()},e.getLength=()=>{const t=e.getBounds();return bf.getDiagonalLength(t)}}const Bh=e=>({bounds:[...bf.INIT_BOUNDS],center:[0,0,0],viewSpecificProperties:{},...e});var Vh=function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Bh(n)),kh(e,t,n),gt.setGet(e,t,["viewSpecificProperties"]),Lh(e,t)};const Uh={UNCHANGED:0,SINGLE_POINT:1,X_LINE:2,Y_LINE:3,Z_LINE:4,XY_PLANE:5,YZ_PLANE:6,XZ_PLANE:7,XYZ_GRID:8,EMPTY:9};var Gh={StructuredType:Uh};const{StructuredType:zh}=Gh;var jh={getDataDescriptionFromExtent:function(e){let t=0;for(let n=0;n<3;++n)e[2*n]e[1]||e[2]>e[3]||e[4]>e[5]?zh.EMPTY:3===t?zh.XYZ_GRID:2===t?e[0]===e[1]?zh.YZ_PLANE:e[2]===e[3]?zh.XZ_PLANE:zh.XY_PLANE:1===t?e[0]e!==i[t]));return a&&(t.extent=i.slice(),t.dataDescription=jh.getDataDescriptionFromExtent(t.extent),e.modified()),a},e.setDimensions=function(){let n,r,o;if(t.deleted)Wh("instance deleted - cannot call any method");else{if(1===arguments.length){const e=arguments.length<=0?void 0:arguments[0];n=e[0],r=e[1],o=e[2]}else{if(3!==arguments.length)return void Wh("Bad dimension specification");n=arguments.length<=0?void 0:arguments[0],r=arguments.length<=1?void 0:arguments[1],o=arguments.length<=2?void 0:arguments[2]}e.setExtent(0,n-1,0,r-1,0,o-1)}},e.getDimensions=()=>[t.extent[1]-t.extent[0]+1,t.extent[3]-t.extent[2]+1,t.extent[5]-t.extent[4]+1],e.getNumberOfCells=()=>{const t=e.getDimensions();let n=1;for(let e=0;e<3;e++){if(0===t[e])return 0;t[e]>1&&(n*=t[e]-1)}return n},e.getNumberOfPoints=()=>{const t=e.getDimensions();return t[0]*t[1]*t[2]},e.getPoint=n=>{const r=e.getDimensions();if(0===r[0]||0===r[1]||0===r[2])return Wh("Requesting a point from an empty image."),null;const o=new Float64Array(3);switch(t.dataDescription){case Uh.EMPTY:return null;case Uh.SINGLE_POINT:break;case Uh.X_LINE:o[0]=n;break;case Uh.Y_LINE:o[1]=n;break;case Uh.Z_LINE:o[2]=n;break;case Uh.XY_PLANE:o[0]=n%r[0],o[1]=n/r[0];break;case Uh.YZ_PLANE:o[1]=n%r[1],o[2]=n/r[1];break;case Uh.XZ_PLANE:o[0]=n%r[0],o[2]=n/r[0];break;case Uh.XYZ_GRID:o[0]=n%r[0],o[1]=n/r[0]%r[1],o[2]=n/(r[0]*r[1]);break;default:Wh("Invalid dataDescription")}const i=[0,0,0];return e.indexToWorld(o,i),i},e.getBounds=()=>e.extentToBounds(e.getSpatialExtent()),e.extentToBounds=e=>bf.transformBounds(e,t.indexToWorld),e.getSpatialExtent=()=>bf.inflate([...t.extent],.5),e.computeTransforms=()=>{C(t.indexToWorld,t.origin),t.indexToWorld[0]=t.direction[0],t.indexToWorld[1]=t.direction[1],t.indexToWorld[2]=t.direction[2],t.indexToWorld[4]=t.direction[3],t.indexToWorld[5]=t.direction[4],t.indexToWorld[6]=t.direction[5],t.indexToWorld[8]=t.direction[6],t.indexToWorld[9]=t.direction[7],t.indexToWorld[10]=t.direction[8],x(t.indexToWorld,t.indexToWorld,t.spacing),m(t.worldToIndex,t.indexToWorld)},e.indexToWorld=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return Yt(n,e,t.indexToWorld),n},e.indexToWorldVec3=e.indexToWorld,e.worldToIndex=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return Yt(n,e,t.worldToIndex),n},e.worldToIndexVec3=e.worldToIndex,e.indexToWorldBounds=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return bf.transformBounds(e,t.indexToWorld,n)},e.worldToIndexBounds=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return bf.transformBounds(e,t.worldToIndex,n)},e.onModified(e.computeTransforms),e.computeTransforms(),e.getCenter=()=>bf.getCenter(e.getBounds()),e.computeHistogram=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;const r=[0,0,0,0,0,0];e.worldToIndexBounds(t,r);const o=[0,0,0],i=[0,0,0];bf.computeCornerPoints(r,o,i),er(o,o),er(i,i);const a=e.getDimensions();_r(o,[0,0,0],[a[0]-1,a[1]-1,a[2]-1],o),_r(i,[0,0,0],[a[0]-1,a[1]-1,a[2]-1],i);const s=a[0],l=a[0]*a[1],u=e.getPointData().getScalars().getData();let c=-1/0,d=1/0,p=0,f=0,h=0;for(let e=o[2];e<=i[2];e++)for(let t=o[1];t<=i[1];t++){let a=o[0]+t*s+e*l;for(let s=o[0];s<=i[0];s++){if(!n||n([s,t,e],r)){const e=u[a];e>c&&(c=e),e0?f/h:0,g=h?Math.abs(p/h-m*m):0,v=Math.sqrt(g);return{minimum:d,maximum:c,average:m,variance:g,sigma:v,count:h}},e.computeIncrements=function(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;const n=[];let r=t;for(let t=0;t<3;++t)n[t]=r,r*=e[2*t+1]-e[2*t]+1;return n},e.computeOffsetIndex=t=>{let[n,r,o]=t;const i=e.getExtent(),a=e.getPointData().getScalars().getNumberOfComponents(),s=e.computeIncrements(i,a);return Math.floor((Math.round(n)-i[0])*s[0]+(Math.round(r)-i[2])*s[1]+(Math.round(o)-i[4])*s[2])},e.getOffsetIndexFromWorld=t=>{const n=e.getExtent(),r=e.worldToIndex(t);for(let e=0;e<3;++e)if(r[e]n[2*e+1])return Wh(`GetScalarPointer: Pixel ${r} is not in memory. Current extent = ${n}`),NaN;return e.computeOffsetIndex(r)},e.getScalarValueFromWorld=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const r=e.getPointData().getScalars().getNumberOfComponents();if(n<0||n>=r)return Wh(`GetScalarPointer: Scalar Component ${n} is not within bounds. 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Yh(e,t){t.classHierarchy.push("vtkLookupTable"),e.isOpaque=()=>{if(t.opaqueFlagBuildTime.getMTime()!1,e.getNumberOfAvailableColors=()=>t.table.length/4,e.linearIndexLookup=(e,t)=>{let n=0;const r=Number(e);return rt.range[1]?n=t.maxIndex+1+1.5:(n=(r+t.shift)*t.scale,n=n{let o=0;o=Er(t)?Math.floor(r.maxIndex+1.5+2):e.linearIndexLookup(t,r);const i=4*o;return n.slice(i,i+4)},e.indexedLookupFunction=(n,r,o)=>{let i=e.getAnnotatedValueIndexInternal(n);-1===i&&(i=t.numberOfColors+2);const a=4*i;return[r[a],r[a+1],r[a+2],r[a+3]]},e.lookupShiftAndScale=(e,t)=>{t.shift=-e[0],t.scale=Number.MAX_VALUE,e[1]>e[0]&&(t.scale=(t.maxIndex+1)/(e[1]-e[0]))},e.mapScalarsThroughTable=(n,r,o,i)=>{let a=e.linearLookup;t.indexedLookup&&(a=e.indexedLookupFunction);const s=e.getMappingRange(),l={maxIndex:e.getNumberOfColors()-1,range:s,shift:0,scale:0};e.lookupShiftAndScale(s,l);const u=e.getAlpha(),c=n.getNumberOfTuples(),d=n.getNumberOfComponents(),p=r.getData(),f=n.getData();if(u>=1){if(o===$d.RGBA)for(let e=0;e{let n=0,r=0,o=0,i=0;const a=t.numberOfColors-1;a&&(n=(t.hueRange[1]-t.hueRange[0])/a,r=(t.saturationRange[1]-t.saturationRange[0])/a,o=(t.valueRange[1]-t.valueRange[0])/a,i=(t.alphaRange[1]-t.alphaRange[0])/a),t.table.length=4*a+16;const s=[],l=[];for(let e=0;e<=a;e++)s[0]=t.hueRange[0]+e*n,s[1]=t.saturationRange[0]+e*r,s[2]=t.valueRange[0]+e*o,dr(s,l),l[3]=t.alphaRange[0]+e*i,t.table[4*e]=255*l[0]+.5,t.table[4*e+1]=255*l[1]+.5,t.table[4*e+2]=255*l[2]+.5,t.table[4*e+3]=255*l[3]+.5;e.buildSpecialColors(),t.buildTime.modified()},e.setTable=n=>{if(Array.isArray(n)){const r=n[0].length;t.numberOfColors=n.length;const o=4-r;let i=0;for(let e=0;e{const{numberOfColors:e}=t,n=t.table;let r=4*(e+0);t.useBelowRangeColor||0===e?(n[r]=255*t.belowRangeColor[0]+.5,n[r+1]=255*t.belowRangeColor[1]+.5,n[r+2]=255*t.belowRangeColor[2]+.5,n[r+3]=255*t.belowRangeColor[3]+.5):(n[r]=n[0],n[r+1]=n[1],n[r+2]=n[2],n[r+3]=n[3]),r=4*(e+1),t.useAboveRangeColor||0===e?(n[r]=255*t.aboveRangeColor[0]+.5,n[r+1]=255*t.aboveRangeColor[1]+.5,n[r+2]=255*t.aboveRangeColor[2]+.5,n[r+3]=255*t.aboveRangeColor[3]+.5):(n[r]=n[4*(e-1)+0],n[r+1]=n[4*(e-1)+1],n[r+2]=n[4*(e-1)+2],n[r+3]=n[4*(e-1)+3]),r=4*(e+2),n[r]=255*t.nanColor[0]+.5,n[r+1]=255*t.nanColor[1]+.5,n[r+2]=255*t.nanColor[2]+.5,n[r+3]=255*t.nanColor[3]+.5},e.build=()=>{(t.table.length<1||e.getMTime()>t.buildTime.getMTime()&&t.insertTime.getMTime()<=t.buildTime.getMTime())&&e.forceBuild()},t.table.length>0&&(e.buildSpecialColors(),t.insertTime.modified())}const Jh={numberOfColors:256,hueRange:[0,.66667],saturationRange:[1,1],valueRange:[1,1],alphaRange:[1,1],nanColor:[.5,0,0,1],belowRangeColor:[0,0,0,1],aboveRangeColor:[1,1,1,1],useAboveRangeColor:!1,useBelowRangeColor:!1,alpha:1};function Qh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Jh,n),lp.extend(e,t,n),t.table||(t.table=[]),t.buildTime={},gt.obj(t.buildTime),t.opaqueFlagBuildTime={},gt.obj(t.opaqueFlagBuildTime,{mtime:0}),t.insertTime={},gt.obj(t.insertTime,{mtime:0}),gt.get(e,t,["buildTime"]),gt.setGet(e,t,["numberOfColors","useAboveRangeColor","useBelowRangeColor"]),gt.setArray(e,t,["alphaRange","hueRange","saturationRange","valueRange"],2),gt.setArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"],4),gt.getArray(e,t,["hueRange","saturationRange","valueRange","alphaRange","nanColor","belowRangeColor","aboveRangeColor"]),Yh(e,t)}var Zh={newInstance:gt.newInstance(Qh,"vtkLookupTable"),extend:Qh};let em=1,tm=0;const nm=["VTK_RESOLVE_OFF","VTK_RESOLVE_POLYGON_OFFSET"];function rm(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;tm=e}var om={getResolveCoincidentTopologyAsString:function(){return nm[tm]},getResolveCoincidentTopologyPolygonOffsetFaces:function(){return em},getResolveCoincidentTopology:function(){return tm},setResolveCoincidentTopology:rm,setResolveCoincidentTopologyPolygonOffsetFaces:function(e){em=e},setResolveCoincidentTopologyToDefault:function(){rm(0)},setResolveCoincidentTopologyToOff:function(){rm(0)},setResolveCoincidentTopologyToPolygonOffset:function(){rm(1)}};function im(e,t,n){n.forEach((n=>{e[`get${n.method}`]=()=>t[n.key],e[`set${n.method}`]=(e,r)=>{t[n.key]={factor:e,offset:r}}}))}const am=["Polygon","Line","Point"],sm={};im(sm,{Polygon:{factor:2,offset:0},Line:{factor:1,offset:-1},Point:{factor:0,offset:-2}},am.map((e=>({key:e,method:`ResolveCoincidentTopology${e}OffsetParameters`}))));var lm={implementCoincidentTopologyMethods:function(e,t){void 0===t.resolveCoincidentTopology&&(t.resolveCoincidentTopology=!1),gt.setGet(e,t,["resolveCoincidentTopology"]),t.topologyOffset={Polygon:{factor:0,offset:0},Line:{factor:0,offset:0},Point:{factor:0,offset:0}},Object.keys(om).forEach((t=>{e[t]=om[t]})),Object.keys(sm).forEach((t=>{e[t]=sm[t]})),im(e,t.topologyOffset,am.map((e=>({key:e,method:`RelativeCoincidentTopology${e}OffsetParameters`})))),e.getCoincidentTopologyPolygonOffsetParameters=()=>{const t=sm.getResolveCoincidentTopologyPolygonOffsetParameters(),n=e.getRelativeCoincidentTopologyPolygonOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyLineOffsetParameters=()=>{const t=sm.getResolveCoincidentTopologyLineOffsetParameters(),n=e.getRelativeCoincidentTopologyLineOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyPointOffsetParameter=()=>{const t=sm.getResolveCoincidentTopologyPointOffsetParameters(),n=e.getRelativeCoincidentTopologyPointOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}}},staticOffsetAPI:sm,otherStaticMethods:om,CATEGORIES:am};const um={MIN_KNOWN_PASS:0,ACTOR_PASS:0,COMPOSITE_INDEX_PASS:1,ID_LOW24:2,ID_HIGH24:3,MAX_KNOWN_PASS:3};var cm={PassTypes:um};const{FieldAssociations:dm}=di,{staticOffsetAPI:pm,otherStaticMethods:fm}=lm,{ColorMode:hm,ScalarMode:mm,GetArray:gm}=Jd,{VectorMode:vm}=Yd,{VtkDataTypes:ym}=Wr;function bm(e){return()=>gt.vtkErrorMacro(`vtkMapper::${e} - NOT IMPLEMENTED`)}function xm(e,t){t.classHierarchy.push("vtkMapper"),e.getBounds=()=>{const n=e.getInputData();return n?(t.static||e.update(),t.bounds=n.getBounds()):t.bounds=Dr(),t.bounds},e.setForceCompileOnly=e=>{t.forceCompileOnly=e},e.setSelectionWebGLIdsToVTKIds=e=>{t.selectionWebGLIdsToVTKIds=e},e.createDefaultLookupTable=()=>{t.lookupTable=Zh.newInstance()},e.getColorModeAsString=()=>gt.enumToString(hm,t.colorMode),e.setColorModeToDefault=()=>e.setColorMode(0),e.setColorModeToMapScalars=()=>e.setColorMode(1),e.setColorModeToDirectScalars=()=>e.setColorMode(2),e.getScalarModeAsString=()=>gt.enumToString(mm,t.scalarMode),e.setScalarModeToDefault=()=>e.setScalarMode(0),e.setScalarModeToUsePointData=()=>e.setScalarMode(1),e.setScalarModeToUseCellData=()=>e.setScalarMode(2),e.setScalarModeToUsePointFieldData=()=>e.setScalarMode(3),e.setScalarModeToUseCellFieldData=()=>e.setScalarMode(4),e.setScalarModeToUseFieldData=()=>e.setScalarMode(5),e.getAbstractScalars=(e,n,r,o,i)=>{if(!e||!t.scalarVisibility)return{scalars:null,cellFLag:!1};let a=null,s=!1;if(n===mm.DEFAULT)a=e.getPointData().getScalars(),a||(a=e.getCellData().getScalars(),s=!0);else if(n===mm.USE_POINT_DATA)a=e.getPointData().getScalars();else if(n===mm.USE_CELL_DATA)a=e.getCellData().getScalars(),s=!0;else if(n===mm.USE_POINT_FIELD_DATA){const t=e.getPointData();a=r===gm.BY_ID?t.getArrayByIndex(o):t.getArrayByName(i)}else if(n===mm.USE_CELL_FIELD_DATA){const t=e.getCellData();s=!0,a=r===gm.BY_ID?t.getArrayByIndex(o):t.getArrayByName(i)}else if(n===mm.USE_FIELD_DATA){const t=e.getFieldData();a=r===gm.BY_ID?t.getArrayByIndex(o):t.getArrayByName(i)}return{scalars:a,cellFlag:s}},e.mapScalars=(n,r)=>{const o=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!o)return t.colorCoordinates=null,t.colorTextureMap=null,void(t.colorMapColors=null);const i=`${e.getMTime()}${o.getMTime()}${r}`;if(t.colorBuildString!==i){if(t.useLookupTableScalarRange||e.getLookupTable().setRange(t.scalarRange[0],t.scalarRange[1]),e.canUseTextureMapForColoring(n))e.mapScalarsToTexture(o,r);else{t.colorCoordinates=null,t.colorTextureMap=null;const n=e.getLookupTable();n&&(n.build(),t.colorMapColors=n.mapScalars(o,t.colorMode,t.fieldDataTupleId))}t.colorBuildString=`${e.getMTime()}${o.getMTime()}${r}`}},e.scalarToTextureCoordinate=(e,t,n)=>{let r=.5,o=1;return Er(e)||(o=.49,r=(e-t)*n,r>1e3?r=1e3:r<-1e3&&(r=-1e3)),{texCoordS:r,texCoordT:o}},e.createColorTextureCoordinates=(t,n,r,o,i,a,s,l,u)=>{const c=(a[1]-a[0])/l,d=[];d[0]=a[0]-c,d[1]=a[1]+c;const p=1/(d[1]-d[0]),f=n.getData(),h=t.getData();let m=0,g=0;if(i<0||i>=o)for(let t=0;t{const o=t.lookupTable.getRange(),i=t.lookupTable.usingLogScale();i&&Zh.getLogRange(o,o);const a=t.lookupTable.getAlpha();if(t.colorMapColors=null,null==t.colorTextureMap||e.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getAlpha()!==r){t.lookupTable.setAlpha(r),t.colorTextureMap=null,t.lookupTable.build();let e=t.lookupTable.getNumberOfAvailableColors();e>4094&&(e=4094),e<64&&(e=64),e+=2;const n=(o[1]-o[0])/(e-2),s=new Float64Array(2*e);for(let t=0;tt.colorCoordinates.getMTime()||e.getInputData(0).getMTime()>t.colorCoordinates.getMTime()||t.lookupTable.getMTime()>t.colorCoordinates.getMTime()){t.colorCoordinates=null;const r=n.getNumberOfComponents(),a=n.getNumberOfTuples();t.colorCoordinates=Wr.newInstance({numberOfComponents:2,values:new Float32Array(2*a)});let s=t.lookupTable.getVectorComponent();t.lookupTable.getVectorMode()===vm.MAGNITUDE&&n.getNumberOfComponents()>1&&(s=-1),e.createColorTextureCoordinates(n,t.colorCoordinates,a,r,s,o,t.lookupTable.getRange(),t.colorTextureMap.getPointData().getScalars().getNumberOfTuples()/2-2,i)}},e.getIsOpaque=()=>{const n=e.getInputData(),r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!t.scalarVisibility||null==r)return!0;const o=e.getLookupTable();return!o||(o.build(),o.areScalarsOpaque(r,t.colorMode,-1))},e.canUseTextureMapForColoring=n=>{if(!t.interpolateScalarsBeforeMapping)return!1;if(t.lookupTable&&t.lookupTable.getIndexedLookup())return!1;const r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName),o=r.scalars;return!(!o||r.cellFlag||t.colorMode===hm.DEFAULT&&o.getDataType()===ym.UNSIGNED_CHAR||t.colorMode===hm.DIRECT_SCALARS)},e.clearColorArrays=()=>{t.colorMapColors=null,t.colorCoordinates=null,t.colorTextureMap=null},e.getLookupTable=()=>(t.lookupTable||e.createDefaultLookupTable(),t.lookupTable),e.getMTime=()=>{let e=t.mtime;if(null!==t.lookupTable){const n=t.lookupTable.getMTime();e=n>e?n:e}return e},e.getPrimitiveCount=()=>{const t=e.getInputData();return{points:t.getPoints().getNumberOfValues()/3,verts:t.getVerts().getNumberOfValues()-t.getVerts().getNumberOfCells(),lines:t.getLines().getNumberOfValues()-2*t.getLines().getNumberOfCells(),triangles:t.getPolys().getNumberOfValues()-3*t.getPolys().getNumberOfCells()}},e.acquireInvertibleLookupTable=bm("AcquireInvertibleLookupTable"),e.valueToColor=bm("ValueToColor"),e.colorToValue=bm("ColorToValue"),e.useInvertibleColorFor=bm("UseInvertibleColorFor"),e.clearInvertibleColor=bm("ClearInvertibleColor"),e.processSelectorPixelBuffers=(e,n)=>{if(!e||!t.selectionWebGLIdsToVTKIds||!t.populateSelectionSettings)return;const r=e.getRawPixelBuffer(um.ID_LOW24),o=e.getRawPixelBuffer(um.ID_HIGH24),i=e.getCurrentPass(),a=e.getFieldAssociation();let s=null;a===dm.FIELD_ASSOCIATION_POINTS?s=t.selectionWebGLIdsToVTKIds.points:a===dm.FIELD_ASSOCIATION_CELLS&&(s=t.selectionWebGLIdsToVTKIds.cells),s&&n.forEach((t=>{if(i===um.ID_LOW24){let n=0;o&&(n+=o[t],n*=256),n+=r[t+2],n*=256,n+=r[t+1],n*=256,n+=r[t];const i=s[n],a=e.getPixelBuffer(um.ID_LOW24);a[t]=255&i,a[t+1]=(65280&i)>>8,a[t+2]=(16711680&i)>>16}else if(i===um.ID_HIGH24&&o){let n=0;n+=o[t],n*=256,n+=r[t],n*=256,n+=r[t+1],n*=256,n+=r[t+2];const i=s[n];e.getPixelBuffer(um.ID_HIGH24)[t]=(4278190080&i)>>24}}))}}const _m={colorMapColors:null,static:!1,lookupTable:null,scalarVisibility:!0,scalarRange:[0,1],useLookupTableScalarRange:!1,colorMode:0,scalarMode:0,arrayAccessMode:1,renderTime:0,colorByArrayName:null,fieldDataTupleId:-1,populateSelectionSettings:!0,selectionWebGLIdsToVTKIds:null,interpolateScalarsBeforeMapping:!1,colorCoordinates:null,colorTextureMap:null,forceCompileOnly:0,useInvertibleColors:!1,invertibleScalars:null,customShaderAttributes:[]};function Tm(e,t){t.classHierarchy.push("vtkRenderPass"),e.getOperation=()=>t.currentOperation,e.setCurrentOperation=e=>{t.currentOperation=e,t.currentTraverseOperation=`traverse${gt.capitalize(t.currentOperation)}`},e.getTraverseOperation=()=>t.currentTraverseOperation,e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;t.deleted||(t._currentParent=r,t.preDelegateOperations.forEach((t=>{e.setCurrentOperation(t),n.traverse(e)})),t.delegates.forEach((t=>{t.traverse(n,e)})),t.postDelegateOperations.forEach((t=>{e.setCurrentOperation(t),n.traverse(e)})))}}gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,_m,n),Vh(e,t,n),gt.get(e,t,["colorCoordinates","colorMapColors","colorTextureMap","selectionWebGLIdsToVTKIds"]),gt.setGet(e,t,["colorByArrayName","arrayAccessMode","colorMode","fieldDataTupleId","interpolateScalarsBeforeMapping","lookupTable","populateSelectionSettings","renderTime","scalarMode","scalarVisibility","static","useLookupTableScalarRange","customShaderAttributes"]),gt.setGetArray(e,t,["scalarRange"],2),lm.implementCoincidentTopologyMethods(e,t),xm(e,t)}),"vtkMapper");const Sm={delegates:[],currentOperation:null,preDelegateOperations:[],postDelegateOperations:[],currentParent:null};function wm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Sm,n),gt.obj(e,t),gt.get(e,t,["currentOperation"]),gt.setGet(e,t,["delegates","_currentParent","preDelegateOperations","postDelegateOperations"]),gt.moveToProtected(e,t,["currentParent"]),Tm(e,t)}var Cm={newInstance:gt.newInstance(wm,"vtkRenderPass"),extend:wm};const{Representation:Am}=wu,{vtkErrorMacro:Em}=gt;function Dm(e){const t=Ca.substitute(e.Fragment,"//VTK::RenderPassFragmentShader::Impl","\n float weight = gl_FragData[0].a * pow(max(1.1 - gl_FragCoord.z, 0.0), 2.0);\n gl_FragData[0] = vec4(gl_FragData[0].rgb*weight, gl_FragData[0].a);\n gl_FragData[1].r = weight;\n ",!1);e.Fragment=t.result}function Im(e,t){t.classHierarchy.push("vtkOpenGLOrderIndependentTranslucentPass"),e.createVertexBuffer=()=>{const e=new Float32Array([-1,-1,-1,1,-1,-1,-1,1,-1,1,1,-1]),n=new Float32Array([0,0,1,0,0,1,1,1]),r=new Uint16Array([4,0,1,3,2]),o=Wr.newInstance({numberOfComponents:3,values:e});o.setName("points");const i=Wr.newInstance({numberOfComponents:2,values:n});i.setName("tcoords");const a=Wr.newInstance({numberOfComponents:1,values:r});t.tris.getCABO().createVBO(a,"polys",Am.SURFACE,{points:o,tcoords:i,cellOffset:0}),t.VBOBuildTime.modified()},e.createFramebuffer=e=>{const n=e.getSize(),r=e.getContext();t.framebuffer=Zs.newInstance(),t.framebuffer.setOpenGLRenderWindow(e),t.framebuffer.create(...n),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind(),t.translucentRGBATexture=hs.newInstance(),t.translucentRGBATexture.setInternalFormat(r.RGBA16F),t.translucentRGBATexture.setFormat(r.RGBA),t.translucentRGBATexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRGBATexture.setOpenGLRenderWindow(e),t.translucentRGBATexture.create2DFromRaw(n[0],n[1],4,"Float32Array",null),t.translucentRTexture=hs.newInstance(),t.translucentRTexture.setInternalFormat(r.R16F),t.translucentRTexture.setFormat(r.RED),t.translucentRTexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRTexture.setOpenGLRenderWindow(e),t.translucentRTexture.create2DFromRaw(n[0],n[1],1,"Float32Array",null),t.translucentZTexture=hs.newInstance(),t.translucentZTexture.setOpenGLRenderWindow(e),t.translucentZTexture.createDepthFromRaw(n[0],n[1],"Float32Array",null),t.framebuffer.setColorBuffer(t.translucentRGBATexture,0),t.framebuffer.setColorBuffer(t.translucentRTexture,1),t.framebuffer.setDepthBuffer(t.translucentZTexture)},e.createCopyShader=e=>{t.copyShader=e.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","attribute vec2 tcoordTC;","varying vec2 tcoord;","void main() { tcoord = tcoordTC; gl_Position = vertexDC; }"].join("\n"),"//VTK::System::Dec\n\nin vec2 tcoord;\n\nuniform sampler2D translucentRTexture;\nuniform sampler2D translucentRGBATexture;\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n vec4 t1Color = texture(translucentRGBATexture, tcoord);\n float t2Color = texture(translucentRTexture, tcoord).r;\n gl_FragData[0] = vec4(t1Color.rgb/max(t2Color,0.01), 1.0 - t1Color.a);\n}\n","")},e.createVBO=n=>{const r=n.getContext();t.tris.setOpenGLRenderWindow(n),e.createVertexBuffer();const o=t.copyShader;t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(o,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),r.FLOAT,3,r.FALSE)||Em("Error setting vertexDC in copy shader VAO."),t.copyVAO.addAttributeArray(o,t.tris.getCABO(),"tcoordTC",t.tris.getCABO().getTCoordOffset(),t.tris.getCABO().getStride(),r.FLOAT,2,r.FALSE)||Em("Error setting vertexDC in copy shader VAO.")},e.traverse=(n,r,o)=>{if(t.deleted)return;const i=n.getSize(),a=n.getContext();if(t._supported=!1,r.getSelector()||!a||!n.getWebgl2()||!a.getExtension("EXT_color_buffer_half_float")&&!a.getExtension("EXT_color_buffer_float"))return e.setCurrentOperation("translucentPass"),void r.traverse(e);if(t._supported=!0,null===t.framebuffer)e.createFramebuffer(n);else{const r=t.framebuffer.getSize();null===r||r[0]!==i[0]||r[1]!==i[1]?(t.framebuffer.releaseGraphicsResources(),t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRTexture.releaseGraphicsResources(n),t.translucentZTexture.releaseGraphicsResources(n),e.createFramebuffer(n)):(t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind())}a.drawBuffers([a.COLOR_ATTACHMENT0]),a.clearBufferfv(a.COLOR,0,[0,0,0,0]),a.clearBufferfv(a.DEPTH,0,[1]),a.colorMask(!1,!1,!1,!1),o.getOpaqueActorCount()>0&&(o.setCurrentOperation("opaqueZBufferPass"),r.traverse(o)),a.colorMask(!0,!0,!0,!0),a.drawBuffers([a.COLOR_ATTACHMENT0,a.COLOR_ATTACHMENT1]),a.viewport(0,0,i[0],i[1]),a.scissor(0,0,i[0],i[1]),a.clearBufferfv(a.COLOR,0,[0,0,0,1]),a.clearBufferfv(a.COLOR,1,[0,0,0,0]),a.enable(a.DEPTH_TEST),a.enable(a.BLEND),a.blendFuncSeparate(a.ONE,a.ONE,a.ZERO,a.ONE_MINUS_SRC_ALPHA),e.setCurrentOperation("translucentPass"),r.traverse(e),a.drawBuffers([a.NONE]),t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader?e.createCopyShader(n):n.getShaderCache().readyShaderProgram(t.copyShader),t.copyVAO||(t.copyVAO=Ia.newInstance(),t.copyVAO.setOpenGLRenderWindow(n)),t.copyVAO.bind(),t.VBOBuildTime.getMTime()t._supported?Dm:null,e.releaseGraphicsResources=n=>{t.framebuffer&&(t.framebuffer.releaseGraphicsResources(n),t.framebuffer=null),t.translucentRGBATexture&&(t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRGBATexture=null),t.translucentRTexture&&(t.translucentRTexture.releaseGraphicsResources(n),t.translucentRTexture=null),t.translucentZTexture&&(t.translucentZTexture.releaseGraphicsResources(n),t.translucentZTexture=null),t.copyVAO&&(t.copyVAO.releaseGraphicsResources(n),t.copyVAO=null),t.copyShader&&(t.copyShader.releaseGraphicsResources(n),t.copyShader=null),t.tris&&(t.tris.releaseGraphicsResources(n),t.tris=null),e.modified()}}const Om={framebuffer:null,copyShader:null,tris:null};function Pm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Om,n),Cm.extend(e,t,n),t.VBOBuildTime={},gt.obj(t.VBOBuildTime,{mtime:0}),t.tris=Ra.newInstance(),gt.get(e,t,["framebuffer"]),Im(e,t)}var Nm={newInstance:gt.newInstance(Pm,"vtkOpenGLOrderIndependentTranslucentPass"),extend:Pm};function Mm(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getRenderable().getNumberOfLayers(),i=n.getChildren();for(let r=0;r0||t.translucentActorCount>0)&&t.volumeCount>0||t.depthRequested){const r=n.getFramebufferSize();null===t.framebuffer&&(t.framebuffer=Zs.newInstance()),t.framebuffer.setOpenGLRenderWindow(n),t.framebuffer.saveCurrentBindingsAndBuffers();const o=t.framebuffer.getSize();null!==o&&o[0]===r[0]&&o[1]===r[1]||(t.framebuffer.create(r[0],r[1]),t.framebuffer.populateFramebuffer()),t.framebuffer.bind(),e.setCurrentOperation("zBufferPass"),a.traverse(e),t.framebuffer.restorePreviousBindingsAndBuffers(),t.depthRequested=!1}e.setCurrentOperation("cameraPass"),a.traverse(e),t.opaqueActorCount>0&&(e.setCurrentOperation("opaquePass"),a.traverse(e)),t.translucentActorCount>0&&(t.translucentPass||(t.translucentPass=Nm.newInstance()),t.translucentPass.traverse(n,a,e)),t.volumeCount>0&&(e.setCurrentOperation("volumePass"),a.traverse(e)),t.overlayActorCount>0&&(e.setCurrentOperation("overlayPass"),a.traverse(e))}}},e.getZBufferTexture=()=>t.framebuffer?t.framebuffer.getColorTexture():null,e.requestDepth=()=>{t.depthRequested=!0},e.incrementOpaqueActorCount=()=>t.opaqueActorCount++,e.incrementTranslucentActorCount=()=>t.translucentActorCount++,e.incrementVolumeCount=()=>t.volumeCount++,e.incrementOverlayActorCount=()=>t.overlayActorCount++}const Rm={opaqueActorCount:0,translucentActorCount:0,volumeCount:0,overlayActorCount:0,framebuffer:null,depthRequested:!1};function Fm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Rm,n),Cm.extend(e,t,n),gt.get(e,t,["framebuffer","opaqueActorCount","translucentActorCount","volumeCount"]),Mm(e,t)}var km={newInstance:gt.newInstance(Fm,"vtkForwardPass"),extend:Fm};const{FieldAssociations:Lm}=di;function Bm(e,t){t.classHierarchy.push("vtkHardwareSelector"),e.getSourceDataAsync=async(e,t,n,r,o)=>{},e.selectAsync=async(t,n,r,o,i)=>{const a=await e.getSourceDataAsync(t,n,r,o,i);return a?a.generateSelection(n,r,o,i):[]}}const Vm={fieldAssociation:Lm.FIELD_ASSOCIATION_CELLS,captureZValues:!1};function Um(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Vm,n),gt.obj(e,t),gt.setGet(e,t,["fieldAssociation","captureZValues"]),Bm(e,t)}var Gm={newInstance:gt.newInstance(Um,"vtkHardwareSelector"),extend:Um};function zm(e,t){t.classHierarchy.push("vtkSelectionNode"),e.getBounds=()=>t.points.getBounds()}const jm={contentType:-1,fieldType:-1,properties:null,selectionList:[]};function Wm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,jm,n),gt.obj(e,t),t.properties={},gt.setGet(e,t,["contentType","fieldType","properties","selectionList"]),zm(e,t)}var Hm={newInstance:gt.newInstance(Wm,"vtkSelectionNode"),extend:Wm,SelectionContent:{GLOBALIDS:0,PEDIGREEIDS:1,VALUES:2,INDICES:3,FRUSTUM:4,LOCATIONS:5,THRESHOLDS:6,BLOCKS:7,QUERY:8},SelectionField:{CELL:0,POINT:1,FIELD:2,VERTEX:3,EDGE:4,ROW:5}};const{PassTypes:Xm}=cm,{SelectionContent:Km,SelectionField:qm}=Hm,{FieldAssociations:$m}=di,{vtkErrorMacro:Ym}=gt;function Jm(e){return`${e.propID} ${e.compositeID}`}function Qm(e,t,n,r){return n?n[4*(t*(r[2]-r[0]+1)+e)+3]:0}function Zm(e,t,n,r){if(!n)return 0;const o=4*(t*(r[2]-r[0]+1)+e),i=n[o],a=n[o+1];return 256*(256*n[o+2]+a)+i}function eg(e,t){let n=t;return n<<=24,n|=e,n}function tg(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]e.area[2]||t[1]e.area[3])return null;const n=[t[0]-e.area[0],t[1]-e.area[1]],o=Zm(n[0],n[1],e.pixBuffer[Xm.ACTOR_PASS],e.area);if(o<=0||o-1>=e.props.length)return null;const i={valid:!0};i.propID=o-1,i.prop=e.props[i.propID];let a=Zm(n[0],n[1],e.pixBuffer[Xm.COMPOSITE_INDEX_PASS],e.area);if((a<0||a>16777215)&&(a=0),i.compositeID=a-1,e.captureZValues){const r=4*(n[1]*(e.area[2]-e.area[0]+1)+n[0]);i.zValue=(256*e.zBuffer[r]+e.zBuffer[r+1])/65535,i.displayPosition=t}if(e.pixBuffer[Xm.ID_LOW24]&&0===Qm(n[0],n[1],e.pixBuffer[Xm.ID_LOW24],e.area))return i;const s=Zm(n[0],n[1],e.pixBuffer[Xm.ID_LOW24],e.area),l=Zm(n[0],n[1],e.pixBuffer[Xm.ID_HIGH24],e.area);return i.attributeID=eg(s,l),i}const i=[t[0],t[1]],a=[0,0];let s=tg(e,t,0,r);if(s&&s.valid)return s;for(let t=1;tt?i[1]-t:0;n<=i[1]+t;++n){if(a[1]=n,i[0]>=t&&(a[0]=i[0]-t,s=tg(e,a,0,r),s&&s.valid))return s;if(a[0]=i[0]+t,s=tg(e,a,0,r),s&&s.valid)return s}for(let n=i[0]>=t?i[0]-(t-1):0;n<=i[0]+(t-1);++n){if(a[0]=n,i[1]>=t&&(a[1]=i[1]-t,s=tg(e,a,0,r),s&&s.valid))return s;if(a[1]=i[1]+t,s=tg(e,a,0,r),s&&s.valid)return s}}return r[0]=t[0],r[1]=t[1],null}function ng(e,t,n,r,o){const i=[];let a=0;return t.forEach(((t,s)=>{const l=Hm.newInstance();switch(l.setContentType(Km.INDICES),e){case $m.FIELD_ASSOCIATION_CELLS:l.setFieldType(qm.CELL);break;case $m.FIELD_ASSOCIATION_POINTS:l.setFieldType(qm.POINT);break;default:Ym("Unknown field association")}l.getProperties().propID=t.info.propID,l.getProperties().prop=t.info.prop,l.getProperties().compositeID=t.info.compositeID,l.getProperties().attributeID=t.info.attributeID,l.getProperties().pixelCount=t.pixelCount,n&&(l.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],l.getProperties().worldPosition=o.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,r)),l.setSelectionList(t.attributeIDs),i[a]=l,a++})),i}function rg(e,t,n,r,o){const i=Math.floor(t),a=Math.floor(n),s=Math.floor(r),l=Math.floor(o),u=new Map,c=[0,0];for(let t=a;t<=l;t++)for(let n=i;n<=s;n++){const r=tg(e,[n,t],0,c);if(r&&r.valid){const t=Jm(r);if(u.has(t)){const n=u.get(t);n.pixelCount++,e.captureZValues&&r.zValue{t.rawPixBuffer=[],t.pixBuffer=[],t.zBuffer=null},e.beginSelection=()=>{t._openGLRenderer=t._openGLRenderWindow.getViewNodeFor(t._renderer),t.maxAttributeId=0;const n=t._openGLRenderWindow.getSize();if(t.framebuffer){t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers();const e=t.framebuffer.getSize();e[0]!==n[0]||e[1]!==n[1]?(t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer()):t.framebuffer.bind()}else t.framebuffer=Zs.newInstance(),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer();if(t._openGLRenderer.clear(),t._openGLRenderer.setSelector(e),t.hitProps={},t.propPixels={},t.props=[],e.releasePixBuffers(),t.fieldAssociation===$m.FIELD_ASSOCIATION_POINTS){const e=t._openGLRenderWindow.getContext(),n=e.isEnabled(e.BLEND);e.disable(e.BLEND),t._openGLRenderWindow.traverseAllPasses(),n&&e.enable(e.BLEND)}},e.endSelection=()=>{t.hitProps={},t._openGLRenderer.setSelector(null),t.framebuffer.restorePreviousBindingsAndBuffers()},e.preCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending=e.isEnabled(e.BLEND),e.disable(e.BLEND)},e.postCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending&&e.enable(e.BLEND)},e.select=()=>{let n=null;return e.captureBuffers()&&(n=e.generateSelection(t.area[0],t.area[1],t.area[2],t.area[3]),e.releasePixBuffers()),n},e.getSourceDataAsync=async(n,r,o,i,a)=>{if(t._renderer=n,void 0===r){const n=t._openGLRenderWindow.getSize();e.setArea(0,0,n[0]-1,n[1]-1)}else e.setArea(r,o,i,a);if(!e.captureBuffers())return!1;const s={area:[...t.area],pixBuffer:[...t.pixBuffer],captureZValues:t.captureZValues,zBuffer:t.zBuffer,props:[...t.props],fieldAssociation:t.fieldAssociation,renderer:n,openGLRenderWindow:t._openGLRenderWindow,generateSelection:function(){for(var e=arguments.length,t=new Array(e),n=0;n{if(!t._renderer||!t._openGLRenderWindow)return Ym("Renderer and view must be set before calling Select."),!1;t._openGLRenderer=t._openGLRenderWindow.getViewNodeFor(t._renderer),t._openGLRenderWindow.getRenderable().preRender(),e.invokeEvent({type:"StartEvent"}),t.originalBackground=t._renderer.getBackgroundByReference(),t._renderer.setBackground(0,0,0,0);const n=t._openGLRenderWindow.getRenderPasses();for(e.beginSelection(),t.currentPass=Xm.MIN_KNOWN_PASS;t.currentPass<=Xm.MAX_KNOWN_PASS;t.currentPass++)e.passRequired(t.currentPass)&&(e.preCapturePass(t.currentPass),t.captureZValues&&t.currentPass===Xm.ACTOR_PASS&&"function"==typeof n[0].requestDepth&&"function"==typeof n[0].getFramebuffer?(n[0].requestDepth(),t._openGLRenderWindow.traverseAllPasses()):t._openGLRenderWindow.traverseAllPasses(),e.postCapturePass(t.currentPass),e.savePixelBuffer(t.currentPass),e.processPixelBuffers());return e.endSelection(),t._renderer.setBackground(t.originalBackground),e.invokeEvent({type:"EndEvent"}),!0},e.processPixelBuffers=()=>{t.props.forEach(((n,r)=>{e.isPropHit(r)&&n.processSelectorPixelBuffers(e,t.propPixels[r])}))},e.passRequired=e=>{if(e===Xm.ID_HIGH24){if(t.fieldAssociation===$m.FIELD_ASSOCIATION_POINTS)return t.maximumPointId>16777215;if(t.fieldAssociation===$m.FIELD_ASSOCIATION_CELLS)return t.maximumCellId>16777215}return!0},e.savePixelBuffer=n=>{if(t.pixBuffer[n]=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),!t.rawPixBuffer[n]){const e=(t.area[2]-t.area[0]+1)*(t.area[3]-t.area[1]+1)*4;t.rawPixBuffer[n]=new Uint8Array(e),t.rawPixBuffer[n].set(t.pixBuffer[n])}if(n===Xm.ACTOR_PASS){if(t.captureZValues){const e=t._openGLRenderWindow.getRenderPasses();if("function"==typeof e[0].requestDepth&&"function"==typeof e[0].getFramebuffer){const n=e[0].getFramebuffer();n.saveCurrentBindingsAndBuffers(),n.bind(),t.zBuffer=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),n.restorePreviousBindingsAndBuffers()}}e.buildPropHitList(t.rawPixBuffer[n])}},e.buildPropHitList=e=>{let n=0;for(let r=0;r<=t.area[3]-t.area[1];r++)for(let o=0;o<=t.area[2]-t.area[0];o++){let i=Zm(o,r,e,t.area);i>0&&(i--,i in t.hitProps||(t.hitProps[i]=!0,t.propPixels[i]=[]),t.propPixels[i].push(4*n)),++n}},e.renderProp=n=>{t.currentPass===Xm.ACTOR_PASS&&(e.setPropColorValueFromInt(t.props.length+1),t.props.push(n))},e.renderCompositeIndex=n=>{t.currentPass===Xm.COMPOSITE_INDEX_PASS&&e.setPropColorValueFromInt(n+1)},e.renderAttributeId=e=>{e<0||(t.maxAttributeId=e>t.maxAttributeId?e:t.maxAttributeId)},e.passTypeToString=e=>gt.enumToString(Xm,e),e.isPropHit=e=>Boolean(t.hitProps[e]),e.setPropColorValueFromInt=e=>{t.propColorValue[0]=e%256/255,t.propColorValue[1]=Math.floor(e/256)%256/255,t.propColorValue[2]=Math.floor(e/65536)%256/255},e.getPixelInformation=(n,r,o)=>{const i=r<0?0:r;if(0===i){if(o[0]=n[0],o[1]=n[1],n[0]t.area[2]||n[1]t.area[3])return null;const e=[n[0]-t.area[0],n[1]-t.area[1]],r=Zm(e[0],e[1],t.pixBuffer[Xm.ACTOR_PASS],t.area);if(r<=0||r-1>=t.props.length)return null;const i={valid:!0};i.propID=r-1,i.prop=t.props[i.propID];let a=Zm(e[0],e[1],t.pixBuffer[Xm.COMPOSITE_INDEX_PASS],t.area);if((a<0||a>16777215)&&(a=0),i.compositeID=a-1,t.captureZValues){const r=4*(e[1]*(t.area[2]-t.area[0]+1)+e[0]);i.zValue=(256*t.zBuffer[r]+t.zBuffer[r+1])/65535,i.displayPosition=n}if(t.pixBuffer[Xm.ID_LOW24]&&0===Qm(e[0],e[1],t.pixBuffer[Xm.ID_LOW24],t.area))return i;const s=Zm(e[0],e[1],t.pixBuffer[Xm.ID_LOW24],t.area),l=Zm(e[0],e[1],t.pixBuffer[Xm.ID_HIGH24],t.area);return i.attributeID=eg(s,l),i}const a=[n[0],n[1]],s=[0,0];let l=e.getPixelInformation(n,0,o);if(l&&l.valid)return l;for(let t=1;tt?a[1]-t:0;n<=a[1]+t;++n){if(s[1]=n,a[0]>=t&&(s[0]=a[0]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[0]=a[0]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}for(let n=a[0]>=t?a[0]-(t-1):0;n<=a[0]+(t-1);++n){if(s[0]=n,a[1]>=t&&(s[1]=a[1]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[1]=a[1]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}}return o[0]=n[0],o[1]=n[1],null},e.generateSelection=(n,r,o,i)=>{const a=Math.floor(n),s=Math.floor(r),l=Math.floor(o),u=Math.floor(i),c=new Map,d=[0,0];for(let n=s;n<=u;n++)for(let r=a;r<=l;r++){const o=[r,n],i=e.getPixelInformation(o,0,d);if(i&&i.valid){const e=Jm(i);if(c.has(e)){const n=c.get(e);n.pixelCount++,t.captureZValues&&i.zValuet.rawPixBuffer[e],e.getPixelBuffer=e=>t.pixBuffer[e],e.attach=(e,n)=>{t._openGLRenderWindow=e,t._renderer=n};const n=e.setArea;e.setArea=function(){return!!n(...arguments)&&(t.area[0]=Math.floor(t.area[0]),t.area[1]=Math.floor(t.area[1]),t.area[2]=Math.floor(t.area[2]),t.area[3]=Math.floor(t.area[3]),!0)}}const ig={area:void 0,currentPass:-1,propColorValue:null,props:null,maximumPointId:0,maximumCellId:0,idOffset:1};function ag(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ig,n),Gm.extend(e,t,n),t.propColorValue=[0,0,0],t.props=[],t.area||(t.area=[0,0,0,0]),gt.setGetArray(e,t,["area"],4),gt.setGet(e,t,["_renderer","currentPass","_openGLRenderWindow","maximumPointId","maximumCellId"]),gt.setGetArray(e,t,["propColorValue"],3),gt.moveToProtected(e,t,["renderer","openGLRenderWindow"]),gt.event(e,t,"event"),og(e,t)}var sg={newInstance:gt.newInstance(ag,"vtkOpenGLHardwareSelector"),extend:ag,...cm},lg=n(594),ug=n.n(lg);const cg=["lastShaderProgramBound","context","_openGLRenderWindow"];function dg(e,t){t.classHierarchy.push("vtkShaderCache"),e.replaceShaderValues=(e,n,r)=>{let o=n;r.length>0&&(o=Ca.substitute(o,"VSOut","GSOut").result);const i=t._openGLRenderWindow.getWebgl2();let a="\n",s="#version 100\n";i?s="#version 300 es\n#define attribute in\n#define textureCube texture\n#define texture2D texture\n#define textureCubeLod textureLod\n#define texture2DLod textureLod\n":(t.context.getExtension("OES_standard_derivatives"),t.context.getExtension("EXT_frag_depth")&&(a="#extension GL_EXT_frag_depth : enable\n"),t.context.getExtension("EXT_shader_texture_lod")&&(a+="#extension GL_EXT_shader_texture_lod : enable\n#define textureCubeLod textureCubeLodEXT\n#define texture2DLod texture2DLodEXT")),o=Ca.substitute(o,"//VTK::System::Dec",[`${s}\n`,i?"":"#extension GL_OES_standard_derivatives : enable\n",a,"#ifdef GL_FRAGMENT_PRECISION_HIGH","precision highp float;","precision highp int;","#else","precision mediump float;","precision mediump int;","#endif"]).result;let l=Ca.substitute(e,"//VTK::System::Dec",[`${s}\n`,"#ifdef GL_FRAGMENT_PRECISION_HIGH","precision highp float;","precision highp int;","#else","precision mediump float;","precision mediump int;","#endif"]).result;if(i){l=Ca.substitute(l,"varying","out").result,o=Ca.substitute(o,"varying","in").result;let e="",t=0;for(;o.includes(`gl_FragData[${t}]`);)o=Ca.substitute(o,`gl_FragData\\[${t}\\]`,`fragOutput${t}`).result,e+=`layout(location = ${t}) out vec4 fragOutput${t};\n`,t++;o=Ca.substitute(o,"//VTK::Output::Dec",e).result}return{VSSource:l,FSSource:o,GSSource:Ca.substitute(r,"//VTK::System::Dec",s).result}},e.readyShaderProgramArray=(t,n,r)=>{const o=e.replaceShaderValues(t,n,r),i=e.getShaderProgram(o.VSSource,o.FSSource,o.GSSource);return e.readyShaderProgram(i)},e.readyShaderProgram=t=>t&&(t.getCompiled()||t.compileShader())&&e.bindShaderProgram(t)?t:null,e.getShaderProgram=(e,n,r)=>{const o=`${e}${n}${r}`,i=ug().hash(o);if(!(i in t.shaderPrograms)){const o=Ca.newInstance();return o.setContext(t.context),o.getVertexShader().setSource(e),o.getFragmentShader().setSource(n),r&&o.getGeometryShader().setSource(r),o.setMd5Hash(i),t.shaderPrograms[i]=o,o}return t.shaderPrograms[i]},e.releaseGraphicsResources=n=>{e.releaseCurrentShaderProgram(),Object.keys(t.shaderPrograms).map((e=>t.shaderPrograms[e])).forEach((e=>e.cleanup())),t.shaderPrograms={}},e.releaseCurrentShaderProgram=()=>{t.lastShaderProgramBound&&(t.lastShaderProgramBound.cleanup(),t.lastShaderProgramBound=null)},e.bindShaderProgram=e=>(t.lastShaderProgramBound===e||(t.lastShaderProgramBound&&t.lastShaderProgramBound.release(),e.bind(),t.lastShaderProgramBound=e),1)}const pg={lastShaderProgramBound:null,shaderPrograms:null,context:null};function fg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,pg,n),t.shaderPrograms={},gt.obj(e,t),gt.setGet(e,t,cg),gt.moveToProtected(e,t,["openGLRenderWindow"]),dg(e,t)}var hg={newInstance:gt.newInstance(fg,"vtkShaderCache"),extend:fg};const{vtkErrorMacro:mg}=gt;function gg(e,t){t.classHierarchy.push("vtkOpenGLTextureUnitManager"),e.deleteTable=()=>{for(let e=0;e{if(t.context!==n){if(0!==t.context&&e.deleteTable(),t.context=n,t.context){t.numberOfTextureUnits=n.getParameter(n.MAX_TEXTURE_IMAGE_UNITS);for(let e=0;e{for(let n=0;ne.isAllocated(n)?-1:(t.textureUnits[n]=!0,n),e.isAllocated=e=>t.textureUnits[e],e.free=e=>{t.textureUnits[e]=!1},e.freeAll=()=>{for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,vg,n),gt.obj(e,t),t.textureUnits=[],gt.get(e,t,["numberOfTextureUnits"]),gt.setGet(e,t,["context"]),gg(e,t)}var bg={newInstance:gt.newInstance(yg,"vtkOpenGLTextureUnitManager"),extend:yg};function xg(e,t){t.classHierarchy.push("vtkRenderWindowViewNode"),e.getViewNodeFactory=()=>null,e.getAspectRatio=()=>t.size[0]/t.size[1],e.getAspectRatioForRenderer=e=>{const n=e.getViewportByReference();return t.size[0]*(n[2]-n[0])/((n[3]-n[1])*t.size[1])},e.isInViewport=(t,n,r)=>{const o=r.getViewportByReference(),i=e.getFramebufferSize();return o[0]*i[0]<=t&&o[2]*i[0]>=t&&o[1]*i[1]<=n&&o[3]*i[1]>=n},e.getViewportSize=t=>{const 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i=o.getViewportByReference();i=e.normalizedDisplayToDisplay(i[0],i[1],0);const a=e.normalizedDisplayToDisplay(t,n,r);return[a[0]-i[0]-.5,a[1]-i[1]-.5,r]},e.viewportToNormalizedViewport=(t,n,r,o)=>{const i=e.getViewportSize(o);return i&&0!==i[0]&&0!==i[1]?[t/(i[0]-1),n/(i[1]-1),r]:[t,n,r]},e.normalizedViewportToViewport=(t,n,r,o)=>{const i=e.getViewportSize(o);return[t*(i[0]-1),n*(i[1]-1),r]},e.displayToLocalDisplay=(t,n,r)=>[t,e.getFramebufferSize()[1]-n-1,r],e.viewportToNormalizedDisplay=(t,n,r,o)=>{let i=o.getViewportByReference();i=e.normalizedDisplayToDisplay(i[0],i[1],0);const a=t+i[0]+.5,s=n+i[1]+.5;return e.displayToNormalizedDisplay(a,s,r)},e.getComputedDevicePixelRatio=()=>t.size[0]/e.getContainerSize()[0],e.getContainerSize=()=>{gt.vtkErrorMacro("not implemented")},e.getPixelData=(e,t,n,r)=>{gt.vtkErrorMacro("not implemented")},e.createSelector=()=>{gt.vtkErrorMacro("not implemented")}}const _g={size:void 0,selector:void 0};function Tg(e,t){let n=arguments.length>2&&void 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t=e.getContainer().getElementsByTagName("canvas");for(let e=0;e{t.cullFaceEnabled&&(t.context.disable(t.context.CULL_FACE),t.cullFaceEnabled=!1)},e.enableCullFace=()=>{t.cullFaceEnabled||(t.context.enable(t.context.CULL_FACE),t.cullFaceEnabled=!0)},e.setViewStream=n=>t.viewStream!==n&&(t.subscription&&(t.subscription.unsubscribe(),t.subscription=null),t.viewStream=n,t.viewStream&&(t.renderable.getRenderers()[0].getBackgroundByReference()[3]=0,e.setUseBackgroundImage(!0),t.subscription=t.viewStream.onImageReady((t=>e.setBackgroundImage(t.image))),t.viewStream.setSize(t.size[0],t.size[1]),t.viewStream.invalidateCache(),t.viewStream.render(),e.modified()),!0),e.createSelector=()=>{const t=sg.newInstance();return t.setOpenGLRenderWindow(e),t},e.delete=gt.chain((function(){t.canvas.removeEventListener("webglcontextlost",Ng),t.canvas.removeEventListener("webglcontextrestored",e.restoreContext)}),e.delete,e.setViewStream,Pg),e.setActiveFramebuffer=e=>{t.activeFramebuffer=e};const i=e.setSize;e.setSize=(t,n)=>{const r=i(t,n);return r&&e.invokeWindowResizeEvent({width:t,height:n}),r},e.getGraphicsResourceForObject=e=>e?{vtkObj:t._graphicsResources.get(e),hash:t._graphicsResourceHash.get(e)}:null,e.setGraphicsResourceForObject=(e,n,r)=>{e&&(t._graphicsResources.set(e,n),t._graphicsResourceHash.set(e,r))},e.getGraphicsMemoryInfo=()=>{let e=0;return t._graphicsResources.forEach(((t,n)=>{e+=t.getAllocatedGPUMemoryInBytes()})),e},e.releaseGraphicsResourcesForObject=n=>!!n&&(t._graphicsResources.get(n)?.releaseGraphicsResources(e),t._graphicsResources.delete(n)&&t._graphicsResourceHash.delete(n)),e.releaseGraphicsResources=()=>{null!==t.shaderCache&&t.shaderCache.releaseGraphicsResources(e),t._graphicsResources.forEach(((t,n)=>{t.releaseGraphicsResources(e)})),t._graphicsResources.clear(),t._graphicsResourceHash.clear(),null!==t.textureUnitManager&&t.textureUnitManager.freeAll(),t.renderable.getRenderersByReference().forEach((t=>{e.getViewNodeFor(t)?.releaseGraphicsResources()}))}}const Rg={cullFaceEnabled:!1,shaderCache:null,initialized:!1,context:null,canvas:null,cursorVisibility:!0,cursor:"pointer",textureUnitManager:null,textureResourceIds:null,containerSize:null,renderPasses:[],notifyStartCaptureImage:!1,webgl2:!1,defaultToWebgl2:!0,activeFramebuffer:null,imageFormat:"image/png",useOffScreen:!1,useBackgroundImage:!1};const Fg=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Rg,n),Sg.extend(e,t,n),t.canvas=document.createElement("canvas"),t.canvas.style.width="100%",Og(),t.selector||(t.selector=sg.newInstance(),t.selector.setOpenGLRenderWindow(e)),t.bgImage=new Image,t.bgImage.style.position="absolute",t.bgImage.style.left="0",t.bgImage.style.top="0",t.bgImage.style.width="100%",t.bgImage.style.height="100%",t.bgImage.style.zIndex="-1",t._textureResourceIds=new Map,t._graphicsResources=new Map,t._graphicsResourceHash=new Map,t._glInformation=null,t.myFactory=Nt.newInstance(),t.myFactory.registerOverride("vtkRenderWindow",Fg),t.shaderCache=hg.newInstance(),t.shaderCache.setOpenGLRenderWindow(e),t.renderPasses[0]=km.newInstance(),gt.event(e,t,"imageReady"),gt.get(e,t,["shaderCache","textureUnitManager","webgl2","useBackgroundImage","activeFramebuffer"]),gt.setGet(e,t,["initialized","context","canvas","renderPasses","notifyStartCaptureImage","defaultToWebgl2","cursor","useOffScreen"]),gt.setGetArray(e,t,["size"],2),gt.event(e,t,"windowResizeEvent"),Mg(e,t)}),"vtkOpenGLRenderWindow");If("WebGL",Fg);const kg=["setBindGroup","setIndexBuffer","setVertexBuffer","draw","drawIndexed"];function Lg(e,t){t.classHierarchy.push("vtkWebGPURenderEncoder"),e.begin=e=>{t.drawCallbacks=[],t.handle=e.beginRenderPass(t.description),t.label&&t.handle.pushDebugGroup(t.label)},e.end=()=>{for(let n=0;n{if(t.boundPipeline===e)return;t.handle.setPipeline(e.getHandle());const n=e.getPipelineDescription();if(t.colorTextureViews.length!==n.fragment.targets.length)console.log(`mismatched attachment counts on pipeline ${n.fragment.targets.length} while encoder has ${t.colorTextureViews.length}`),console.trace();else for(let e=0;e{t.replaceShaderCodeFunction(e)},e.setColorTextureView=(e,n)=>{t.colorTextureViews[e]!==n&&(t.colorTextureViews[e]=n)},e.activateBindGroup=e=>{const n=t.boundPipeline.getDevice(),r=t.boundPipeline.getBindGroupLayoutCount(e.getLabel());t.handle.setBindGroup(r,e.getBindGroup(n));const o=n.getBindGroupLayoutDescription(e.getBindGroupLayout(n)),i=n.getBindGroupLayoutDescription(t.boundPipeline.getBindGroupLayout(r));o!==i&&(console.log(`renderEncoder ${t.pipelineHash} mismatched bind group layouts bind group has\n${o}\n versus pipeline\n${i}\n`),console.trace())},e.attachTextureViews=()=>{for(let e=0;e{for(let r=0;r2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Bg,n),je(e,t),t.description={colorAttachments:[{view:void 0,loadOp:"load",storeOp:"store"}],depthStencilAttachment:{view:void 0,depthLoadOp:"clear",depthClearValue:0,depthStoreOp:"store"}},t.replaceShaderCodeFunction=e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = computedColor;"]).result,t.setCode(n)},t.pipelineSettings={primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater-equal",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}},t.colorTextureViews=[],He(e,t,["boundPipeline","colorTextureViews"]),$e(e,t,["depthTextureView","description","handle","label","pipelineHash","pipelineSettings","replaceShaderCodeFunction"]),Lg(e,t)}var Ug={newInstance:rt(Vg,"vtkWebGPURenderEncoder"),extend:Vg};function Gg(e,t){t.classHierarchy.push("vtkWebGPUTextureView"),e.create=(e,n)=>{t.texture=e,t.options=n,t.options.dimension=t.options.dimension||"2d",t.options.label=t.label,t.textureHandle=e.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupLayoutEntry.texture.viewDimension=t.options.dimension;const r=Hl(t.texture.getFormat());t.bindGroupLayoutEntry.texture.sampleType=r.sampleType},e.createFromTextureHandle=(e,n)=>{t.texture=null,t.options=n,t.options.dimension=t.options.dimension||"2d",t.options.label=t.label,t.textureHandle=e,t.handle=t.textureHandle.createView(t.options),t.bindGroupLayoutEntry.texture.viewDimension=t.options.dimension;const r=Hl(n.format);t.bindGroupLayoutEntry.texture.sampleType=r.sampleType,t.bindGroupTime.modified()},e.getBindGroupEntry=()=>({resource:e.getHandle()}),e.getShaderCode=(e,n)=>{let r="f32";"sint"===t.bindGroupLayoutEntry.texture.sampleType?r="i32":"uint"===t.bindGroupLayoutEntry.texture.sampleType&&(r="u32");let o=`@binding(${e}) @group(${n}) var ${t.label}: texture_${t.options.dimension}<${r}>;`;return"depth"===t.bindGroupLayoutEntry.texture.sampleType&&(o=`@binding(${e}) @group(${n}) var ${t.label}: texture_depth_${t.options.dimension};`),o},e.addSampler=(n,r)=>{const o=vc.newInstance({label:`${t.label}Sampler`});o.create(n,r),e.setSampler(o)},e.getBindGroupTime=()=>(t.texture&&t.texture.getHandle()!==t.textureHandle&&(t.textureHandle=t.texture.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupTime.modified()),t.bindGroupTime),e.getHandle=()=>(t.texture&&t.texture.getHandle()!==t.textureHandle&&(t.textureHandle=t.texture.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupTime.modified()),t.handle)}const zg={texture:null,handle:null,sampler:null,label:null};function jg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,zg,n),gt.obj(e,t),t.bindGroupLayoutEntry={visibility:GPUShaderStage.VERTEX|GPUShaderStage.FRAGMENT,texture:{sampleType:"float",viewDimension:"2d"}},t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),gt.get(e,t,["bindGroupTime","texture"]),gt.setGet(e,t,["bindGroupLayoutEntry","label","sampler"]),Gg(e,t)}var Wg={newInstance:gt.newInstance(jg),extend:jg};function Hg(e,t){t.classHierarchy.push("vtkTexture"),e.imageLoaded=()=>{t.image.removeEventListener("load",e.imageLoaded),t.imageLoaded=!0,e.modified()},e.setJsImageData=n=>{t.jsImageData!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.image=null,t.canvas=null),t.jsImageData=n,t.imageLoaded=!0,e.modified())},e.setCanvas=n=>{t.canvas!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.image=null,t.jsImageData=null),t.canvas=n,e.modified())},e.setImage=n=>{t.image!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.canvas=null,t.jsImageData=null),t.image=n,t.imageLoaded=!1,n.complete?e.imageLoaded():n.addEventListener("load",e.imageLoaded),e.modified())},e.getDimensionality=()=>{let n=0,r=0,o=1;if(e.getInputData()){const t=e.getInputData();n=t.getDimensions()[0],r=t.getDimensions()[1],o=t.getDimensions()[2]}return t.jsImageData&&(n=t.jsImageData.width,r=t.jsImageData.height),t.canvas&&(n=t.canvas.width,r=t.canvas.height),t.image&&(n=t.image.width,r=t.image.height),(n>1)+(r>1)+(o>1)},e.getInputAsJsImageData=()=>{if(!t.imageLoaded||e.getInputData())return null;if(t.jsImageData)return t.jsImageData();if(t.canvas)return t.canvas.getContext("2d").getImageData(0,0,t.canvas.width,t.canvas.height);if(t.image){const e=document.createElement("canvas");e.width=t.image.width,e.height=t.image.height;const n=e.getContext("2d");return n.translate(0,e.height),n.scale(1,-1),n.drawImage(t.image,0,0,t.image.width,t.image.height),n.getImageData(0,0,e.width,e.height)}return null}}const Xg={image:null,canvas:null,jsImageData:null,imageLoaded:!1,repeat:!1,interpolate:!1,edgeClamp:!1,mipLevel:0,resizable:!1};function Kg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Xg,n),gt.obj(e,t),gt.algo(e,t,6,0),gt.get(e,t,["canvas","image","jsImageData","imageLoaded","resizable"]),gt.setGet(e,t,["repeat","edgeClamp","interpolate","mipLevel"]),Hg(e,t)}const qg={generateMipmaps:(e,t,n,r)=>{const o=[1,2,1],i=e.length/(t*n);let a=t,s=n,l=e;const u=[l];for(let e=0;ei&&(c+=t),d<-i&&(c-=t),r[c]?u+=r[c]*o[l]:s-=o[l],a+=1}l[e+n]=u/s}r=[...l];for(let e=0;e{t.device=e,t.width=n.width,t.height=n.height,t.depth=n.depth?n.depth:1;const r=1===t.depth?"2d":"3d";t.format=n.format?n.format:"rgba8unorm",t.mipLevel=n.mipLevel?n.mipLevel:0,t.usage=n.usage?n.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST,t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label,dimension:r,mipLevelCount:t.mipLevel+1})},e.assignFromHandle=(e,n,r)=>{t.device=e,t.handle=n,t.width=r.width,t.height=r.height,t.depth=r.depth?r.depth:1,t.format=r.format?r.format:"rgba8unorm",t.usage=r.usage?r.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST},e.writeImageData=n=>{let r=[];if(n.canvas)return t.device.getHandle().queue.copyExternalImageToTexture({source:n.canvas,flipY:n.flip},{texture:t.handle,premultipliedAlpha:!0},[t.width,t.height,t.depth]),void(t.ready=!0);n.jsImageData&&!n.nativeArray&&(n.width=n.jsImageData.width,n.height=n.jsImageData.height,n.depth=1,n.format="rgba8unorm",n.flip=!0,n.nativeArray=n.jsImageData.data);const o=Hl(t.format);let i=t.width*o.stride;const a=(e,t,n)=>{const r=e.length/(t*n)*e.BYTES_PER_ELEMENT,i=2===o.elementSize&&"float"===o.sampleType;if(i||r%256){const a=e,s=r/a.BYTES_PER_ELEMENT,l=o.elementSize,u=256*Math.floor((s*l+255)/256),c=u/l,d=gt.newTypedArray(i?"Uint16Array":a.constructor.name,c*t*n);for(let e=0;e{const e=Hl(t.format);return 2===e.elementSize&&"float"===e.sampleType?1:255},e.getNumberOfComponents=()=>Hl(t.format).numComponents,e.getDimensionality=()=>{let e=0;return t.width>1&&e++,t.height>1&&e++,t.depth>1&&e++,e},e.resizeToMatch=e=>{e.getWidth()===t.width&&e.getHeight()===t.height&&e.getDepth()===t.depth||(t.width=e.getWidth(),t.height=e.getHeight(),t.depth=e.getDepth(),t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label}))},e.resize=function(e,n){let r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:1;e===t.width&&n===t.height&&r===t.depth||(t.width=e,t.height=n,t.depth=r,t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label}))},e.createView=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};r.dimension||(r.dimension=1===t.depth?"2d":"3d");const o=Wg.newInstance({label:n});return o.create(e,r),o}}const Qg={device:null,handle:null,buffer:null,ready:!1,label:null};function Zg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Qg,n),gt.obj(e,t),gt.get(e,t,["handle","ready","width","height","depth","format","usage"]),gt.setGet(e,t,["device","label"]),Jg(e,t)}var ev={newInstance:gt.newInstance(Zg),extend:Zg};function tv(e,t){t.classHierarchy.push("vtkWebGPUOpaquePass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.renderEncoder)t.colorTexture.resize(r.getCanvas().width,r.getCanvas().height),t.depthTexture.resize(r.getCanvas().width,r.getCanvas().height);else{e.createRenderEncoder(),t.colorTexture=ev.newInstance({label:"opaquePassColor"}),t.colorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const n=t.colorTexture.createView("opaquePassColorTexture");t.renderEncoder.setColorTextureView(0,n),t.depthFormat="depth32float",t.depthTexture=ev.newInstance({label:"opaquePassDepth"}),t.depthTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:t.depthFormat,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const i=t.depthTexture.createView("opaquePassDepthTexture");t.renderEncoder.setDepthTextureView(i)}t.renderEncoder.attachTextureViews(),e.setCurrentOperation("opaquePass"),n.setRenderEncoder(t.renderEncoder),n.traverse(e)},e.getColorTextureView=()=>t.renderEncoder.getColorTextureViews()[0],e.getDepthTextureView=()=>t.renderEncoder.getDepthTextureView(),e.createRenderEncoder=()=>{t.renderEncoder=Ug.newInstance({label:"OpaquePass"}),t.renderEncoder.setPipelineHash("op")}}const nv={renderEncoder:null,colorTexture:null,depthTexture:null};function rv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,nv,n),Cm.extend(e,t,n),gt.get(e,t,["colorTexture","depthTexture"]),tv(e,t)}var ov={newInstance:gt.newInstance(rv,"vtkWebGPUOpaquePass"),extend:rv};function iv(e,t){t.classHierarchy.push("vtkWebGPUOrderIndependentTranslucentPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.translucentRenderEncoder)t.translucentColorTexture.resizeToMatch(t.colorTextureView.getTexture()),t.translucentAccumulateTexture.resizeToMatch(t.colorTextureView.getTexture());else{e.createRenderEncoder(),e.createFinalEncoder(),t.translucentColorTexture=ev.newInstance({label:"translucentPassColor"}),t.translucentColorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const n=t.translucentColorTexture.createView("oitpColorTexture");t.translucentRenderEncoder.setColorTextureView(0,n),t.translucentAccumulateTexture=ev.newInstance({label:"translucentPassAccumulate"}),t.translucentAccumulateTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const i=t.translucentAccumulateTexture.createView("oitpAccumTexture");t.translucentRenderEncoder.setColorTextureView(1,i),t.fullScreenQuad=du.newInstance(),t.fullScreenQuad.setDevice(r.getDevice()),t.fullScreenQuad.setPipelineHash("oitpfsq"),t.fullScreenQuad.setTextureViews(t.translucentRenderEncoder.getColorTextureViews()),t.fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var tcoord: vec2 = vec2(i32(input.fragPos.x), i32(input.fragPos.y));\n var reveal: f32 = textureLoad(oitpAccumTexture, tcoord, 0).r;\n if (reveal == 1.0) { discard; }\n var tcolor: vec4 = textureLoad(oitpColorTexture, tcoord, 0);\n var total: f32 = max(tcolor.a, 0.01);\n var computedColor: vec4 = vec4(tcolor.r/total, tcolor.g/total, tcolor.b/total, 1.0 - reveal);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n")}t.translucentRenderEncoder.setDepthTextureView(t.depthTextureView),t.translucentRenderEncoder.attachTextureViews(),e.setCurrentOperation("translucentPass"),n.setRenderEncoder(t.translucentRenderEncoder),n.traverse(e),e.finalPass(r,n)},e.finalPass=(e,n)=>{t.translucentFinalEncoder.setColorTextureView(0,t.colorTextureView),t.translucentFinalEncoder.attachTextureViews(),t.translucentFinalEncoder.begin(e.getCommandEncoder()),n.scissorAndViewport(t.translucentFinalEncoder),t.fullScreenQuad.prepareAndDraw(t.translucentFinalEncoder),t.translucentFinalEncoder.end()},e.getTextures=()=>[t.translucentColorTexture,t.translucentAccumulateTexture],e.createRenderEncoder=()=>{t.translucentRenderEncoder=Ug.newInstance({label:"translucentRender"});const e=t.translucentRenderEncoder.getDescription();e.colorAttachments=[{view:void 0,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:void 0,clearValue:[1,0,0,0],loadOp:"clear",storeOp:"store"}],e.depthStencilAttachment={view:void 0,depthLoadOp:"load",depthStoreOp:"store"},t.translucentRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor"),t.addOutput("f32","outAccum"),t.addBuiltinInput("vec4","@builtin(position) fragPos");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["var w: f32 = computedColor.a * pow(0.1 + input.fragPos.z, 2.0);","output.outColor = vec4(computedColor.rgb*w, w);","output.outAccum = computedColor.a;"]).result,t.setCode(n)})),t.translucentRenderEncoder.setPipelineHash("oitpr"),t.translucentRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!1,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one"},alpha:{srcfactor:"one",dstFactor:"one"}}},{format:"r16float",blend:{color:{srcFactor:"zero",dstFactor:"one-minus-src"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createFinalEncoder=()=>{t.translucentFinalEncoder=Ug.newInstance({label:"translucentFinal"}),t.translucentFinalEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t.translucentFinalEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor"),t.addBuiltinInput("vec4","@builtin(position) fragPos");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t.translucentFinalEncoder.setPipelineHash("oitpf"),t.translucentFinalEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})}}const av={colorTextureView:null,depthTextureView:null};function sv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,av,n),Cm.extend(e,t,n),gt.setGet(e,t,["colorTextureView","depthTextureView"]),iv(e,t)}var lv={newInstance:gt.newInstance(sv,"vtkWebGPUOrderIndependentTranslucentPass"),extend:sv};const uv="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Volume::TraverseDec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\nfn getTextureValue(vTex: texture_3d, tpos: vec4) -> f32\n{\n // todo multicomponent support\n return textureSampleLevel(vTex, clampSampler, tpos.xyz, 0.0).r;\n}\n\nfn getGradient(vTex: texture_3d, tpos: vec4, vNum: i32, scalar: f32) -> vec4\n{\n var result: vec4;\n\n var tstep: vec4 = volumeSSBO.values[vNum].tstep;\n result.x = getTextureValue(vTex, tpos + vec4(tstep.x, 0.0, 0.0, 1.0)) - scalar;\n result.y = getTextureValue(vTex, tpos + vec4(0.0, tstep.y, 0.0, 1.0)) - scalar;\n result.z = getTextureValue(vTex, tpos + vec4(0.0, 0.0, tstep.z, 1.0)) - scalar;\n result.w = 0.0;\n\n // divide by spacing as that is our delta\n result = result / volumeSSBO.values[vNum].spacing;\n // now we have a gradient in unit tcoords\n\n var grad: f32 = length(result.xyz);\n if (grad > 0.0)\n {\n // rotate to View Coords, needed for lighting and shading\n var nMat: mat4x4 = rendererUBO.SCVCMatrix * volumeSSBO.values[vNum].planeNormals;\n result = nMat * result;\n result = result / length(result);\n }\n\n // store gradient magnitude in .w\n result.w = grad;\n\n return result;\n}\n\nfn processVolume(vTex: texture_3d, vNum: i32, cNum: i32, posSC: vec4, tfunRows: f32) -> vec4\n{\n var outColor: vec4 = vec4(0.0, 0.0, 0.0, 0.0);\n\n // convert to tcoords and reject if outside the volume\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*posSC;\n if (tpos.x < 0.0 || tpos.y < 0.0 || tpos.z < 0.0 ||\n tpos.x > 1.0 || tpos.y > 1.0 || tpos.z > 1.0) { return outColor; }\n\n var scalar: f32 = getTextureValue(vTex, tpos);\n\n var coord: vec2 =\n vec2(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n (0.5 + 2.0 * f32(vNum)) / tfunRows);\n var color: vec4 = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n\n var gofactor: f32 = 1.0;\n var normal: vec4 = vec4(0.0,0.0,0.0,0.0);\n if (componentSSBO.values[cNum].gomin < 1.0 || volumeSSBO.values[vNum].shade[0] > 0.0)\n {\n normal = getGradient(vTex, tpos, vNum, scalar);\n if (componentSSBO.values[cNum].gomin < 1.0)\n {\n gofactor = clamp(normal.a*componentSSBO.values[cNum].goScale + componentSSBO.values[cNum].goShift,\n componentSSBO.values[cNum].gomin, componentSSBO.values[cNum].gomax);\n }\n }\n\n coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n\n if (volumeSSBO.values[vNum].shade[0] > 0.0)\n {\n color = color*abs(normal.z);\n }\n\n outColor = vec4(color.rgb, gofactor * opacity);\n\n return outColor;\n}\n\n// adjust the start and end point of a raycast such that it intersects the unit cube.\n// This function is used to take a raycast starting point and step vector\n// and numSteps and return the startijng and ending steps for intersecting the\n// unit cube. Recall for a 3D texture, the unit cube is the range of texture coordsinates\n// that have valid values. So this funtion can be used to take a ray in texture coordinates\n// and bound it to intersecting the texture.\n//\nfn adjustBounds(tpos: vec4, tstep: vec4, numSteps: f32) -> vec2\n{\n var result: vec2 = vec2(0.0, numSteps);\n var tpos2: vec4 = tpos + tstep*numSteps;\n\n // move tpos to the start of the volume\n var adjust: f32 =\n min(\n max(tpos.x/tstep.x, (tpos.x - 1.0)/tstep.x),\n min(\n max((tpos.y - 1.0)/tstep.y, tpos.y/tstep.y),\n max((tpos.z - 1.0)/tstep.z, tpos.z/tstep.z)));\n if (adjust < 0.0)\n {\n result.x = result.x - adjust;\n }\n\n // adjust length to the end\n adjust =\n max(\n min(tpos2.x/tstep.x, (tpos2.x - 1.0)/tstep.x),\n max(\n min((tpos2.y - 1.0)/tstep.y, tpos2.y/tstep.y),\n min((tpos2.z - 1.0)/tstep.z, tpos2.z/tstep.z)));\n if (adjust > 0.0)\n {\n result.y = result.y - adjust;\n }\n\n return result;\n}\n\nfn getSimpleColor(scalar: f32, vNum: i32, cNum: i32) -> vec4\n{\n // how many rows (tfuns) do we have in our tfunTexture\n var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n var coord: vec2 =\n vec2(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n (0.5 + 2.0 * f32(vNum)) / tfunRows);\n var color: vec4 = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n return vec4(color.rgb, opacity);\n}\n\nfn traverseMax(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var maxVal: f32 = -1.0e37;\n loop\n {\n var scalar: f32 = getTextureValue(vTex, tpos);\n if (scalar > maxVal)\n {\n maxVal = scalar;\n }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(maxVal, vNum, cNum);\n}\n\nfn traverseMin(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var minVal: f32 = 1.0e37;\n loop\n {\n var scalar: f32 = getTextureValue(vTex, tpos);\n if (scalar < minVal)\n {\n minVal = scalar;\n }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(minVal, vNum, cNum);\n}\n\nfn traverseAverage(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n let ipRange: vec4 = volumeSSBO.values[vNum].ipScalarRange;\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var avgVal: f32 = 0.0;\n var sampleCount: f32 = 0.0;\n loop\n {\n var sample: f32 = getTextureValue(vTex, tpos);\n // right now leave filtering off until WebGL changes get merged\n // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n // {\n avgVal = avgVal + sample;\n sampleCount = sampleCount + 1.0;\n // }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n if (sampleCount <= 0.0)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(avgVal/sampleCount, vNum, cNum);\n}\n\nfn traverseAdditive(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n let ipRange: vec4 = volumeSSBO.values[vNum].ipScalarRange;\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var sumVal: f32 = 0.0;\n loop\n {\n var sample: f32 = getTextureValue(vTex, tpos);\n // right now leave filtering off until WebGL changes get merged\n // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n // {\n sumVal = sumVal + sample;\n // }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(sumVal, vNum, cNum);\n}\n\nfn composite(rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4) -> vec4\n{\n // initial ray position is at the beginning\n var rayPosSC: vec4 = minPosSC;\n\n // how many rows (tfuns) do we have in our tfunTexture\n var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n var curDist: f32 = 0.0;\n var computedColor: vec4 = vec4(0.0, 0.0, 0.0, 0.0);\n var sampleColor: vec4;\n//VTK::Volume::TraverseCalls\n\n loop\n {\n // for each volume, sample and accumulate color\n//VTK::Volume::CompositeCalls\n\n // increment position\n curDist = curDist + mapperUBO.SampleDistance;\n rayPosSC = rayPosSC + rayStepSC;\n\n // check if we have reached a terminating condition\n if (curDist > rayLengthSC) { break; }\n if (computedColor.a > 0.98) { break; }\n }\n return computedColor;\n}\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var rayMax: f32 = textureSampleLevel(maxTexture, clampSampler, input.tcoordVS, 0.0).r;\n var rayMin: f32 = textureSampleLevel(minTexture, clampSampler, input.tcoordVS, 0.0).r;\n\n // discard empty rays\n if (rayMax <= rayMin) { discard; }\n else\n {\n // compute start and end ray positions in view coordinates\n var minPosSC: vec4 = rendererUBO.PCSCMatrix*vec4(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMax, 1.0);\n minPosSC = minPosSC * (1.0 / minPosSC.w);\n var maxPosSC: vec4 = rendererUBO.PCSCMatrix*vec4(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMin, 1.0);\n maxPosSC = maxPosSC * (1.0 / maxPosSC.w);\n\n var rayLengthSC: f32 = distance(minPosSC.xyz, maxPosSC.xyz);\n var rayStepSC: vec4 = (maxPosSC - minPosSC)*(mapperUBO.SampleDistance/rayLengthSC);\n rayStepSC.w = 0.0;\n\n var computedColor: vec4;\n\n//VTK::Volume::Loop\n\n//VTK::RenderEncoder::Impl\n }\n\n return output;\n}\n",cv=new Float64Array(16),dv=new Float64Array(16);function pv(e,t){t.classHierarchy.push("vtkWebGPUVolumePassFSQ"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position");let o=r.getCode();o=Fl.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4(vertexBC, 1.0);"]).result,r.setCode(o),t.getShaderDescription("fragment").addBuiltinInput("vec4","@builtin(position) fragPos")},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderVolume=(e,n,r)=>{const o=n.getShaderDescription("fragment");let i=o.getCode();const a=[],s=[];for(let e=0;e(\n sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n (1.0 - computedColor.a)*sampleColor.a + computedColor.a);")):(s.push(` sampleColor = traverseVals[${e}];`),s.push(" computedColor = vec4(\n sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n (1.0 - computedColor.a)*sampleColor.a + computedColor.a);"));i=Fl.substitute(i,"//VTK::Volume::CompositeCalls",a).result,i=Fl.substitute(i,"//VTK::Volume::TraverseCalls",s).result,i=Fl.substitute(i,"//VTK::Volume::TraverseDec",[`var traverseVals: array,${t.volumes.length}>;`]).result;let l=!1;for(let e=0;e{let r=e.getMTime();for(let e=0;e{let r=Math.max(e.getMTime(),t.WebGPURenderer.getStabilizedTime());for(let e=0;e"),t.SSBO.addEntry("planeNormals","mat4x4"),t.SSBO.addEntry("shade","vec4"),t.SSBO.addEntry("tstep","vec4"),t.SSBO.addEntry("spacing","vec4"),t.SSBO.addEntry("ipScalarRange","vec4"),t.SSBO.setAllInstancesFromArray("SCTCMatrix",i),t.SSBO.setAllInstancesFromArray("planeNormals",a),t.SSBO.setAllInstancesFromArray("shade",l),t.SSBO.setAllInstancesFromArray("tstep",s),t.SSBO.setAllInstancesFromArray("spacing",u),t.SSBO.setAllInstancesFromArray("ipScalarRange",c),t.SSBO.send(n),t.componentSSBO.clearData(),t.componentSSBO.setNumberOfInstances(t.numRows);const d=new Float64Array(t.numRows),p=new Float64Array(t.numRows),g=new Float64Array(t.numRows),v=new Float64Array(t.numRows),_=new Float64Array(t.numRows),T=new Float64Array(t.numRows),S=new Float64Array(t.numRows),w=new Float64Array(t.numRows);let C=0;for(let e=0;e{n();let r=t.volumes[0].getRenderable().getMapper().getSampleDistance();for(let e=0;e{t.pipelineHash="volfsq";for(let e=0;e{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r{const e=r();return e.push(t.componentSSBO),e.push(t.clampSampler),e}}const fv={volumes:null,rowLength:1024,lastVolumeLength:0};function hv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,fv,n),du.extend(e,t,n),t.fragmentShaderTemplate=uv,t.UBO=ac.newInstance({label:"mapperUBO"}),t.UBO.addEntry("SampleDistance","f32"),t.SSBO=ec.newInstance({label:"volumeSSBO"}),t.componentSSBO=ec.newInstance({label:"componentSSBO"}),t.lutBuildTime={},gt.obj(t.lutBuildTime,{mtime:0}),pv(e,t)}var mv={newInstance:gt.newInstance(hv,"vtkWebGPUVolumePassFSQ"),extend:hv};const{Representation:gv}=wu,{BufferUsage:vv,PrimitiveTypes:yv}=qu,bv=[[0,4,6],[0,6,2],[1,3,7],[1,7,5],[0,5,4],[0,1,5],[2,6,7],[2,7,3],[0,3,1],[0,2,3],[4,5,7],[4,7,6]],xv="\n//VTK::Renderer::Dec\n\n//VTK::Select::Dec\n\n//VTK::VolumePass::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output : fragmentOutput;\n\n //VTK::Select::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::VolumePass::Impl\n\n // use the maximum (closest) of the current value and the zbuffer\n // the blend func will then take the min to find the farthest stop value\n var stopval: f32 = max(input.fragPos.z, textureLoad(opaquePassDepthTexture, vec2(i32(input.fragPos.x), i32(input.fragPos.y)), 0));\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n";function _v(e,t){t.classHierarchy.push("vtkWebGPUVolumePass"),e.initialize=n=>{t._clearEncoder||e.createClearEncoder(n),t._mergeEncoder||e.createMergeEncoder(n),t._copyEncoder||e.createCopyEncoder(n),t._depthRangeEncoder||e.createDepthRangeEncoder(n),t.fullScreenQuad||(t.fullScreenQuad=mv.newInstance(),t.fullScreenQuad.setDevice(n.getDevice()),t.fullScreenQuad.setTextureViews([...t._depthRangeEncoder.getColorTextureViews()])),t._volumeCopyQuad||(t._volumeCopyQuad=du.newInstance(),t._volumeCopyQuad.setPipelineHash("volpassfsq"),t._volumeCopyQuad.setDevice(n.getDevice()),t._volumeCopyQuad.setFragmentShaderTemplate("\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = textureSample(volumePassColorTexture,\n volumePassColorTextureSampler, mapperUBO.tscale*input.tcoordVS);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n"),t._copyUBO=ac.newInstance({label:"mapperUBO"}),t._copyUBO.addEntry("tscale","vec2"),t._volumeCopyQuad.setUBO(t._copyUBO),t._volumeCopyQuad.setTextureViews([t._colorTextureView]))},e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r,e.initialize(r),e.computeTiming(r),e.renderDepthBounds(n,r),t._firstGroup=!0;const o=r.getDevice(),i=o.getHandle().limits.maxSampledTexturesPerShaderStage-4;if(t.volumes.length>i){const o=n.getRenderable().getActiveCamera().getPosition(),a=[];for(let e=0;ea[t]-a[e]));let l=[],u=s.length%i;for(let o=0;o=u&&(e.rayCastPass(r,n,l),l=[],u=i,t._firstGroup=!1)}else e.rayCastPass(r,n,t.volumes);if(t._volumeCopyQuad.setWebGPURenderer(n),t._useSmallViewport){const e=t._colorTextureView.getTexture().getWidth(),n=t._colorTextureView.getTexture().getHeight();t._copyUBO.setArray("tscale",[t._smallViewportWidth/e,t._smallViewportHeight/n])}else t._copyUBO.setArray("tscale",[1,1]);t._copyUBO.sendIfNeeded(o),t._copyEncoder.setColorTextureView(0,t.colorTextureView),t._copyEncoder.attachTextureViews(),t._copyEncoder.begin(r.getCommandEncoder()),n.scissorAndViewport(t._copyEncoder),t._volumeCopyQuad.prepareAndDraw(t._copyEncoder),t._copyEncoder.end()},e.delete=gt.chain((()=>{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.computeTiming=e=>{const n=e.getRenderable().getInteractor();if(null==t._lastScale){const e=t.volumes[0].getRenderable().getMapper();t._lastScale=e.getInitialInteractionScale()||1}t._useSmallViewport=!1,n.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._colorTexture.resize(e.getCanvas().width,e.getCanvas().height),t._animationRateSubscription||(t._animationRateSubscription=n.onAnimationFrameRateUpdate((()=>{const e=t.volumes[0].getRenderable().getMapper();if(e.getAutoAdjustSampleDistances()){const e=n.getRecentAnimationFrameRate(),r=t._lastScale*n.getDesiredUpdateRate()/e;t._lastScale=r,t._lastScale>400&&(t._lastScale=400)}else t._lastScale=e.getImageSampleDistance()*e.getImageSampleDistance();t._lastScale<1.5&&(t._lastScale=1.5)})))},e.rayCastPass=(e,n,r)=>{const o=t._firstGroup?t._clearEncoder:t._mergeEncoder;o.attachTextureViews(),o.begin(e.getCommandEncoder());let i=t._colorTextureView.getTexture().getWidth(),a=t._colorTextureView.getTexture().getHeight();if(t._useSmallViewport){const n=e.getCanvas(),r=1/Math.sqrt(t._lastScale);t._smallViewportWidth=Math.ceil(r*n.width),t._smallViewportHeight=Math.ceil(r*n.height),i=t._smallViewportWidth,a=t._smallViewportHeight}o.getHandle().setViewport(0,0,i,a,0,1),o.getHandle().setScissorRect(0,0,i,a),t.fullScreenQuad.setWebGPURenderer(n),t.fullScreenQuad.setVolumes(r),t.fullScreenQuad.prepareAndDraw(o),o.end()},e.renderDepthBounds=(n,r)=>{e.updateDepthPolyData(n);const o=t._boundsPoly,i=o.getPoints(),a=o.getPolys();let s={hash:`vp${a.getMTime()}`,usage:vv.Index,cells:a,numberOfPoints:i.getNumberOfPoints(),primitiveType:yv.Triangles,representation:gv.SURFACE};const l=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().setIndexBuffer(l),s={usage:vv.PointArray,format:"float32x4",hash:`vp${i.getMTime()}${a.getMTime()}`,dataArray:i,indexBuffer:l,packExtra:!0};const u=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().addBuffer(u,["vertexBC"]),t._mapper.setNumberOfVertices(u.getSizeInBytes()/u.getStrideInBytes()),e.drawDepthRange(n,r)},e.updateDepthPolyData=e=>{let n=!1;for(let e=0;e{t._depthRangeTexture.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeTexture2.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeEncoder.attachTextureViews(),e.setCurrentOperation("volumeDepthRangePass"),n.setRenderEncoder(t._depthRangeEncoder),n.volumeDepthRangePass(!0),t._mapper.setWebGPURenderer(n),t._mapper.prepareToDraw(t._depthRangeEncoder),t._mapper.registerDrawCallback(t._depthRangeEncoder),n.volumeDepthRangePass(!1)},e.createDepthRangeEncoder=e=>{const n=e.getDevice();t._depthRangeEncoder=Ug.newInstance({label:"VolumePass DepthRange"}),t._depthRangeEncoder.setPipelineHash("volr"),t._depthRangeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor1"),t.addOutput("vec4","outColor2");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor1 = vec4(input.fragPos.z, 0.0, 0.0, 0.0);","output.outColor2 = vec4(stopval, 0.0, 0.0, 0.0);"]).result,t.setCode(n)})),t._depthRangeEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:null,clearValue:[1,1,1,1],loadOp:"clear",storeOp:"store"}]}),t._depthRangeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"max"},alpha:{srcfactor:"one",dstFactor:"one",operation:"max"}}},{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"min"},alpha:{srcfactor:"one",dstFactor:"one",operation:"min"}}}]}}),t._depthRangeTexture=ev.newInstance({label:"volumePassMaxDepth"}),t._depthRangeTexture.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const r=t._depthRangeTexture.createView("maxTexture");t._depthRangeEncoder.setColorTextureView(0,r),t._depthRangeTexture2=ev.newInstance({label:"volumePassDepthMin"}),t._depthRangeTexture2.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const o=t._depthRangeTexture2.createView("minTexture");t._depthRangeEncoder.setColorTextureView(1,o),t._mapper.setDevice(e.getDevice()),t._mapper.setTextureViews([t.depthTextureView])},e.createClearEncoder=e=>{t._colorTexture=ev.newInstance({label:"volumePassColor"}),t._colorTexture.create(e.getDevice(),{width:e.getCanvas().width,height:e.getCanvas().height,format:"bgra8unorm",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC}),t._colorTextureView=t._colorTexture.createView("volumePassColorTexture"),t._colorTextureView.addSampler(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._clearEncoder=Ug.newInstance({label:"VolumePass Clear"}),t._clearEncoder.setColorTextureView(0,t._colorTextureView),t._clearEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"}]}),t._clearEncoder.setPipelineHash("volpf"),t._clearEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createCopyEncoder=e=>{t._copyEncoder=Ug.newInstance({label:"volumePassCopy"}),t._copyEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._copyEncoder.setPipelineHash("volcopypf"),t._copyEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createMergeEncoder=e=>{t._mergeEncoder=Ug.newInstance({label:"volumePassMerge"}),t._mergeEncoder.setColorTextureView(0,t._colorTextureView),t._mergeEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._mergeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t._mergeEncoder.setPipelineHash("volpf"),t._mergeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.setVolumes=n=>{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Tv,n),Cm.extend(e,t,n),t._mapper=su.newInstance(),t._mapper.setFragmentShaderTemplate(xv),t._mapper.getShaderReplacements().set("replaceShaderVolumePass",((e,t,n)=>{t.getShaderDescription("fragment").addBuiltinInput("vec4","@builtin(position) fragPos")})),t._boundsPoly=ji.newInstance(),t._lastMTimes=[],gt.setGet(e,t,["colorTextureView","depthTextureView"]),_v(e,t)}var wv={newInstance:gt.newInstance(Sv,"vtkWebGPUVolumePass"),extend:Sv};function Cv(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e),t.opaquePass||(t.opaquePass=ov.newInstance());const o=n.getRenderable().getNumberOfLayers(),i=n.getChildren();for(let r=0;r0&&(t.translucentPass||(t.translucentPass=lv.newInstance()),t.translucentPass.setColorTextureView(t.opaquePass.getColorTextureView()),t.translucentPass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.translucentPass.traverse(a,n)),t.volumes.length>0&&(t.volumePass||(t.volumePass=wv.newInstance()),t.volumePass.setColorTextureView(t.opaquePass.getColorTextureView()),t.volumePass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.volumePass.setVolumes(t.volumes),t.volumePass.traverse(a,n)),e.finalPass(n,a))}},e.finalPass=(n,r)=>{t._finalBlitEncoder||e.createFinalBlitEncoder(n),t._finalBlitOutputTextureView.createFromTextureHandle(n.getCurrentTexture(),{depth:1,format:n.getPresentationFormat()}),t._finalBlitEncoder.attachTextureViews(),t._finalBlitEncoder.begin(n.getCommandEncoder()),r.scissorAndViewport(t._finalBlitEncoder),t._fullScreenQuad.prepareAndDraw(t._finalBlitEncoder),t._finalBlitEncoder.end()},e.createFinalBlitEncoder=e=>{t._finalBlitEncoder=Ug.newInstance({label:"forwardPassBlit"}),t._finalBlitEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._finalBlitEncoder.setPipelineHash("fpf"),t._finalBlitEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:e.getPresentationFormat(),blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}}),t._fsqSampler=vc.newInstance({label:"finalPassSampler"}),t._fsqSampler.create(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._fullScreenQuad=du.newInstance(),t._fullScreenQuad.setDevice(e.getDevice()),t._fullScreenQuad.setPipelineHash("fpfsq"),t._fullScreenQuad.setTextureViews([t.opaquePass.getColorTextureView()]),t._fullScreenQuad.setAdditionalBindables([t._fsqSampler]),t._fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = clamp(textureSampleLevel(opaquePassColorTexture, finalPassSampler, input.tcoordVS, 0),vec4(0.0),vec4(1.0));\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n"),t._finalBlitOutputTextureView=Wg.newInstance(),t._finalBlitEncoder.setColorTextureView(0,t._finalBlitOutputTextureView)},e.incrementOpaqueActorCount=()=>t.opaqueActorCount++,e.incrementTranslucentActorCount=()=>t.translucentActorCount++,e.addVolume=e=>{t.volumes.push(e)}}const Av={opaqueActorCount:0,translucentActorCount:0,volumes:null,opaqueRenderEncoder:null,translucentPass:null,volumePass:null};function Ev(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Av,n),Cm.extend(e,t,n),gt.setGet(e,t,["opaquePass","translucentPass","volumePass"]),Cv(e,t)}var Dv={newInstance:gt.newInstance(Ev,"vtkForwardPass"),extend:Ev};const{VtkDataTypes:Iv}=Wr;function Ov(e,t){function n(e){if(e.imageData){e.dataArray=e.imageData.getPointData().getScalars(),e.time=e.dataArray.getMTime(),e.nativeArray=e.dataArray.getData();const t=e.imageData.getDimensions();switch(e.width=t[0],e.height=t[1],e.depth=t[2],e.dataArray.getNumberOfComponents()){case 1:e.format="r";break;case 2:e.format="rg";break;default:e.format="rgba"}switch(e.dataArray.getDataType()){case Iv.UNSIGNED_CHAR:e.format+="8unorm";break;case Iv.FLOAT:case Iv.UNSIGNED_INT:case Iv.INT:case Iv.DOUBLE:case Iv.UNSIGNED_SHORT:case Iv.SHORT:default:e.format+="16float"}}e.image&&(e.width=e.image.width,e.height=e.image.height,e.depth=1,e.format="rgba8unorm"),e.jsImageData&&(e.width=e.jsImageData.width,e.height=e.jsImageData.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.nativeArray=e.jsImageData.data),e.canvas&&(e.width=e.canvas.width,e.height=e.canvas.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.usage=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.RENDER_ATTACHMENT)}function r(e){const n=ev.newInstance();return n.create(t.device,{width:e.width,height:e.height,depth:e.depth,format:e.format,usage:e.usage,mipLevel:e.mipLevel}),(e.nativeArray||e.image||e.canvas)&&n.writeImageData(e),n}t.classHierarchy.push("vtkWebGPUTextureManager"),e.getTexture=e=>e.hash?t.device.getCachedObject(e.hash,r,e):r(e),e.getTextureForImageData=e=>{const r={time:e.getMTime()};return r.imageData=e,n(r),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)},e.getTextureForVTKTexture=e=>{const r={time:e.getMTime()};return e.getInputData()?r.imageData=e.getInputData():e.getImage()?r.image=e.getImage():e.getJsImageData()?r.jsImageData=e.getJsImageData():e.getCanvas()&&(r.canvas=e.getCanvas()),n(r),r.mipLevel=e.getMipLevel(),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)}}const Pv={handle:null,device:null};function Nv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Pv,n),gt.obj(e,t),gt.setGet(e,t,["device"]),Ov(e,t)}var Mv={newInstance:gt.newInstance(Nv),extend:Nv};class Rv extends Map{constructor(){super(),this.registry=new FinalizationRegistry((e=>{const t=super.get(e);t&&t.deref&&void 0===t.deref()&&super.delete(e)}))}getValue(e){const t=super.get(e);if(t){const n=t.deref();if(void 0!==n)return n;super.delete(e)}}setValue(e,t){let n;return t&&"object"==typeof t&&(n=new WeakRef(t),this.registry.register(t,e),super.set(e,n)),n}}function Fv(e,t){t.classHierarchy.push("vtkWebGPUDevice"),e.initialize=e=>{t.handle=e},e.createCommandEncoder=()=>t.handle.createCommandEncoder(),e.submitCommandEncoder=e=>{t.handle.queue.submit([e.finish()])},e.getShaderModule=e=>t.shaderCache.getShaderModule(e),e.getBindGroupLayout=e=>{if(!e.entries)return null;for(let t=0;t{for(let n=0;ne in t.pipelines?t.pipelines[e]:null,e.createPipeline=(n,r)=>{r.initialize(e,n),t.pipelines[n]=r},e.onSubmittedWorkDone=()=>t.handle.queue.onSubmittedWorkDone(),e.hasCachedObject=e=>t.objectCache.getValue(e),e.getCachedObject=function(e,n){if(!e)return vtkErrorMacro("attempt to cache an object without a hash"),null;const r=t.objectCache.getValue(e);if(r)return r;for(var o=arguments.length,i=new Array(o>2?o-2:0),a=2;a2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,kv,n),je(e,t),$e(e,t,["handle"]),He(e,t,["bufferManager","shaderCache","textureManager"]),t.objectCache=new Rv,t.shaderCache=Fl.newInstance(),t.shaderCache.setDevice(e),t.bindGroupLayouts=[],t.bufferManager=qu.newInstance(),t.bufferManager.setDevice(e),t.textureManager=Mv.newInstance(),t.textureManager.setDevice(e),t.pipelines={},Fv(e,t)}var Bv={newInstance:rt(Lv,"vtkWebGPUDevice"),extend:Lv};function Vv(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelectionPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=null,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getDevice();if(t.selectionRenderEncoder)t.colorTexture.resize(n.getCanvas().width,n.getCanvas().height),t.depthTexture.resizeToMatch(t.colorTexture);else{e.createRenderEncoder(),t.colorTexture=ev.newInstance({label:"hardwareSelectorColor"}),t.colorTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"rgba32uint",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const r=t.colorTexture.createView("hardwareSelectColorTexture");t.selectionRenderEncoder.setColorTextureView(0,r),t.depthTexture=ev.newInstance({label:"hardwareSelectorDepth"}),t.depthTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"depth32float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const i=t.depthTexture.createView("hardwareSelectDepthTexture");t.selectionRenderEncoder.setDepthTextureView(i)}t.selectionRenderEncoder.attachTextureViews(),r.setRenderEncoder(t.selectionRenderEncoder),e.setCurrentOperation("cameraPass"),r.traverse(e),e.setCurrentOperation("opaquePass"),r.traverse(e)},e.createRenderEncoder=()=>{t.selectionRenderEncoder=Ug.newInstance({label:"HardwareSelectionPass"}),t.selectionRenderEncoder.setPipelineHash("sel"),t.selectionRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(mapperUBO.PropID, compositeID, 0u, 0u);"]).result,t.setCode(n)})),t.selectionRenderEncoder.getDescription().colorAttachments[0].clearValue=[0,0,0,0],t.selectionRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba32uint",blend:void 0}]}})}}const Uv={selectionRenderEncoder:null,colorTexture:null,depthTexture:null};function Gv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Uv,n),Cm.extend(e,t,n),gt.get(e,t,["colorTexture","depthTexture"]),Vv(e,t)}var zv={newInstance:gt.newInstance(Gv,"vtkWebGPUHardwareSelectionPass"),extend:Gv};const{SelectionContent:jv,SelectionField:Wv}=Hm,{FieldAssociations:Hv}=di,{vtkErrorMacro:Xv}=gt;function Kv(e){return`${e.propID} ${e.compositeID}`}function qv(e,t,n,r){const o=4*((n.height-t-1)*n.colorBufferWidth+e)+r;return n.colorValues[o]}function $v(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]<0||t[0]>=e.width||t[1]<0||t[1]>=e.height)return null;const n=qv(t[0],t[1],e,0);if(n<=0)return null;const o={};o.propID=n;let i=qv(t[0],t[1],e,1);if((i<0||i>16777215)&&(i=0),o.compositeID=i,e.captureZValues){const n=(e.height-t[1]-1)*e.zbufferBufferWidth+t[0];o.zValue=e.depthValues[n],o.zValue=e.webGPURenderer.convertToOpenGLDepth(o.zValue),o.displayPosition=t}return o}const i=[t[0],t[1]],a=[0,0];let s=$v(e,t,0,r);if(s)return s;for(let t=1;tt?i[1]-t:0;n<=i[1]+t;++n){if(a[1]=n,i[0]>=t&&(a[0]=i[0]-t,s=$v(e,a,0,r),s))return s;if(a[0]=i[0]+t,s=$v(e,a,0,r),s)return s}for(let n=i[0]>=t?i[0]-(t-1):0;n<=i[0]+(t-1);++n){if(a[0]=n,i[1]>=t&&(a[1]=i[1]-t,s=$v(e,a,0,r),s))return s;if(a[1]=i[1]+t,s=$v(e,a,0,r),s)return s}}return r[0]=t[0],r[1]=t[1],null}function Yv(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelector"),e.endSelection=()=>{t.WebGPURenderer.setSelector(null)},e.getSourceDataAsync=async e=>{if(!e||!t._WebGPURenderWindow)return Xv("Renderer and view must be set before calling Select."),!1;t._WebGPURenderWindow.getRenderable().preRender(),t._WebGPURenderWindow.getInitialized()||(t._WebGPURenderWindow.initialize(),await new Promise((e=>{t._WebGPURenderWindow.onInitialized(e)})));const n=t._WebGPURenderWindow.getViewNodeFor(e);if(!n)return!1;const r=n.getSuppressClear();n.setSuppressClear(!0),t._selectionPass.traverse(t._WebGPURenderWindow,n),n.setSuppressClear(r);const o=t._WebGPURenderWindow.getDevice(),i=t._selectionPass.getColorTexture(),a=t._selectionPass.getDepthTexture(),s={area:[0,0,i.getWidth()-1,i.getHeight()-1],captureZValues:t.captureZValues,fieldAssociation:t.fieldAssociation,renderer:e,webGPURenderer:n,webGPURenderWindow:t._WebGPURenderWindow,width:i.getWidth(),height:i.getHeight()};s.colorBufferWidth=16*Math.floor((s.width+15)/16),s.colorBufferSizeInBytes=s.colorBufferWidth*s.height*4*4;const l=vu.newInstance({label:"hardwareSelectColorBuffer"});l.setDevice(o),l.create(s.colorBufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST);const u=t._WebGPURenderWindow.getCommandEncoder();let c;u.copyTextureToBuffer({texture:i.getHandle()},{buffer:l.getHandle(),bytesPerRow:16*s.colorBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1}),t.captureZValues&&(s.zbufferBufferWidth=64*Math.floor((s.width+63)/64),c=vu.newInstance({label:"hardwareSelectDepthBuffer"}),c.setDevice(o),s.zbufferSizeInBytes=s.height*s.zbufferBufferWidth*4,c.create(s.zbufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST),u.copyTextureToBuffer({texture:a.getHandle(),aspect:"depth-only"},{buffer:c.getHandle(),bytesPerRow:4*s.zbufferBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1})),o.submitCommandEncoder(u);const d=l.mapAsync(GPUMapMode.READ);if(t.captureZValues){const e=c.mapAsync(GPUMapMode.READ);await Promise.all([d,e]),s.depthValues=new Float32Array(c.getMappedRange().slice()),c.unmap()}else await d;return s.colorValues=new Uint32Array(l.getMappedRange().slice()),l.unmap(),s.generateSelection=(e,t,n,r)=>function(e,t,n,r,o){const i=Math.floor(t),a=Math.floor(n),s=Math.floor(r),l=Math.floor(o),u=new Map,c=[0,0];for(let t=a;t<=l;t++)for(let n=i;n<=s;n++){const r=$v(e,[n,t],0,c);if(r){const t=Kv(r);if(u.has(t)){const n=u.get(t);n.pixelCount++,e.captureZValues&&r.zValue{const a=Hm.newInstance();switch(a.setContentType(jv.INDICES),e){case Hv.FIELD_ASSOCIATION_CELLS:a.setFieldType(Wv.CELL);break;case Hv.FIELD_ASSOCIATION_POINTS:a.setFieldType(Wv.POINT);break;default:Xv("Unknown field association")}a.getProperties().propID=t.info.propID;const s=n.webGPURenderer.getPropFromID(t.info.propID);a.getProperties().prop=s.getRenderable(),a.getProperties().compositeID=t.info.compositeID,a.getProperties().pixelCount=t.pixelCount,n.captureZValues&&(a.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],a.getProperties().worldPosition=n.webGPURenderWindow.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,n.renderer)),a.setSelectionList(t.attributeIDs),r[o]=a,o++})),r}(e.fieldAssociation,u,e)}(s,e,t,n,r),s}}const Jv={};function Qv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Jv,n),Gm.extend(e,t,n),t._selectionPass=zv.newInstance(),gt.setGet(e,t,["_WebGPURenderWindow"]),gt.moveToProtected(e,t,["WebGPURenderWindow"]),Yv(e,t)}var Zv={newInstance:gt.newInstance(Qv,"vtkWebGPUHardwareSelector"),extend:Qv};const{vtkErrorMacro:ey}=gt,ty={position:"absolute",top:0,left:0,width:"100%",height:"100%"};function ny(e,t){t.classHierarchy.push("vtkWebGPURenderWindow"),e.getViewNodeFactory=()=>t.myFactory;const n=[0,0];e.onModified((function(){t.renderable&&(t.size[0]===n[0]&&t.size[1]===n[1]||(n[0]=t.size[0],n[1]=t.size[1],t.canvas.setAttribute("width",t.size[0]),t.canvas.setAttribute("height",t.size[1]),e.recreateSwapChain())),t.viewStream&&t.viewStream.setSize(t.size[0],t.size[1]),t.canvas.style.display=t.useOffScreen?"none":"block",t.el&&(t.el.style.cursor=t.cursorVisibility?t.cursor:"none"),t.containerSize=null})),e.recreateSwapChain=()=>{t.context&&(t.context.unconfigure(),t.presentationFormat=navigator.gpu.getPreferredCanvasFormat(t.adapter),t.context.configure({device:t.device.getHandle(),format:t.presentationFormat,alphaMode:"premultiplied",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_DST,width:t.size[0],height:t.size[1]}),t._configured=!0)},e.getCurrentTexture=()=>t.context.getCurrentTexture(),e.buildPass=n=>{if(n){if(!t.renderable)return;e.prepareNodes(),e.addMissingNodes(t.renderable.getRenderersByReference()),e.removeUnusedNodes(),e.initialize()}else t.initialized&&(t._configured||e.recreateSwapChain(),t.commandEncoder=t.device.createCommandEncoder())},e.initialize=()=>{if(!t.initializing){if(t.initializing=!0,!navigator.gpu)return void ey("WebGPU is not enabled.");e.create3DContextAsync().then((()=>{t.initialized=!0,t.deleted||e.invokeInitialized()}))}},e.setContainer=n=>{t.el&&t.el!==n&&(t.canvas.parentNode!==t.el&&ey("Error: canvas parent node does not match container"),t.el.removeChild(t.canvas),t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)),t.el!==n&&(t.el=n,t.el&&(t.el.appendChild(t.canvas),t.useBackgroundImage&&t.el.appendChild(t.bgImage)),e.modified())},e.getContainer=()=>t.el,e.getContainerSize=()=>{if(!t.containerSize&&t.el){const{width:e,height:n}=t.el.getBoundingClientRect();t.containerSize=[e,n]}return t.containerSize||t.size},e.getFramebufferSize=()=>t.size,e.create3DContextAsync=async()=>{t.adapter=await navigator.gpu.requestAdapter({powerPreference:"high-performance"}),t.deleted||(t.device=Bv.newInstance(),t.device.initialize(await t.adapter.requestDevice()),t.deleted?t.device=null:t.context=t.canvas.getContext("webgpu"))},e.releaseGraphicsResources=()=>{const n=Cm.newInstance();n.setCurrentOperation("Release"),n.traverse(e,null),t.adapter=null,t.device=null,t.context=null,t.initialized=!1,t.initializing=!1},e.setBackgroundImage=e=>{t.bgImage.src=e.src},e.setUseBackgroundImage=e=>{t.useBackgroundImage=e,t.useBackgroundImage&&!t.el.contains(t.bgImage)?t.el.appendChild(t.bgImage):!t.useBackgroundImage&&t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)},e.captureNextImage=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"image/png",{resetCamera:r=!1,size:o=null,scale:i=1}=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(t.deleted)return null;t.imageFormat=n;const a=t.notifyStartCaptureImage;return t.notifyStartCaptureImage=!0,t._screenshot={size:o||1!==i?o||t.size.map((e=>e*i)):null},new Promise(((n,o)=>{const i=e.onImageReady((o=>{if(null===t._screenshot.size)t.notifyStartCaptureImage=a,i.unsubscribe(),t._screenshot.placeHolder&&(t.size=t._screenshot.originalSize,e.modified(),t._screenshot.cameras&&t._screenshot.cameras.forEach((e=>{let{restoreParamsFn:t,arg:n}=e;return t(n)})),e.traverseAllPasses(),t.el.removeChild(t._screenshot.placeHolder),t._screenshot.placeHolder.remove(),t._screenshot=null),n(o);else{const n=document.createElement("img");if(n.style=ty,n.src=o,t._screenshot.placeHolder=t.el.appendChild(n),t.canvas.style.display="none",t._screenshot.originalSize=t.size,t.size=t._screenshot.size,t._screenshot.size=null,e.modified(),r){const e=!0!==r;t._screenshot.cameras=t.renderable.getRenderers().map((t=>{const n=t.getActiveCamera(),o=n.get("focalPoint","position","parallelScale");return{resetCameraArgs:e?{renderer:t}:void 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n=document.querySelector("body");t.rootContainer||(t.rootContainer=n),t.container||(t.container=document.createElement("div"),ly(t.container,t.containerStyle||ay),t.rootContainer.appendChild(t.container)),t.rootContainer===n&&(document.documentElement.style.height="100%",n.style.height="100%",n.style.padding="0",n.style.margin="0"),t.renderWindow=Rf.newInstance(),t.renderer=Ef.newInstance(),t.renderWindow.addRenderer(t.renderer),t.apiSpecificRenderWindow=t.renderWindow.newAPISpecificView(iy.viewAPI??t.defaultViewAPI),t.apiSpecificRenderWindow.setContainer(t.container),t.renderWindow.addView(t.apiSpecificRenderWindow),t.interactor=Qf.newInstance(),t.interactor.setInteractorStyle(gh.newInstance()),t.interactor.setView(t.apiSpecificRenderWindow),t.interactor.initialize(),t.interactor.bindEvents(t.container),e.setBackground=t.renderer.setBackground,e.removeController=()=>{const 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r=n(2);t.ArrayExpression=function(e){this.type=r.Syntax.ArrayExpression,this.elements=e};t.ArrayPattern=function(e){this.type=r.Syntax.ArrayPattern,this.elements=e};t.ArrowFunctionExpression=function(e,t,n){this.type=r.Syntax.ArrowFunctionExpression,this.id=null,this.params=e,this.body=t,this.generator=!1,this.expression=n,this.async=!1};t.AssignmentExpression=function(e,t,n){this.type=r.Syntax.AssignmentExpression,this.operator=e,this.left=t,this.right=n};t.AssignmentPattern=function(e,t){this.type=r.Syntax.AssignmentPattern,this.left=e,this.right=t};t.AsyncArrowFunctionExpression=function(e,t,n){this.type=r.Syntax.ArrowFunctionExpression,this.id=null,this.params=e,this.body=t,this.generator=!1,this.expression=n,this.async=!0};t.AsyncFunctionDeclaration=function(e,t,n){this.type=r.Syntax.FunctionDeclaration,this.id=e,this.params=t,this.body=n,this.generator=!1,this.expression=!1,this.async=!0};t.AsyncFunctionExpression=function(e,t,n){this.type=r.Syntax.FunctionExpression,this.id=e,this.params=t,this.body=n,this.generator=!1,this.expression=!1,this.async=!0};t.AwaitExpression=function(e){this.type=r.Syntax.AwaitExpression,this.argument=e};t.BinaryExpression=function(e,t,n){var o="||"===e||"&&"===e;this.type=o?r.Syntax.LogicalExpression:r.Syntax.BinaryExpression,this.operator=e,this.left=t,this.right=n};t.BlockStatement=function(e){this.type=r.Syntax.BlockStatement,this.body=e};t.BreakStatement=function(e){this.type=r.Syntax.BreakStatement,this.label=e};t.CallExpression=function(e,t){this.type=r.Syntax.CallExpression,this.callee=e,this.arguments=t};t.CatchClause=function(e,t){this.type=r.Syntax.CatchClause,this.param=e,this.body=t};t.ClassBody=function(e){this.type=r.Syntax.ClassBody,this.body=e};t.ClassDeclaration=function(e,t,n){this.type=r.Syntax.ClassDeclaration,this.id=e,this.superClass=t,this.body=n};t.ClassExpression=function(e,t,n){this.type=r.Syntax.ClassExpression,this.id=e,this.superClass=t,this.body=n};t.ComputedMemberExpression=function(e,t){this.type=r.Syntax.MemberExpression,this.computed=!0,this.object=e,this.property=t};t.ConditionalExpression=function(e,t,n){this.type=r.Syntax.ConditionalExpression,this.test=e,this.consequent=t,this.alternate=n};t.ContinueStatement=function(e){this.type=r.Syntax.ContinueStatement,this.label=e};t.DebuggerStatement=function(){this.type=r.Syntax.DebuggerStatement};t.Directive=function(e,t){this.type=r.Syntax.ExpressionStatement,this.expression=e,this.directive=t};t.DoWhileStatement=function(e,t){this.type=r.Syntax.DoWhileStatement,this.body=e,this.test=t};t.EmptyStatement=function(){this.type=r.Syntax.EmptyStatement};t.ExportAllDeclaration=function(e){this.type=r.Syntax.ExportAllDeclaration,this.source=e};t.ExportDefaultDeclaration=function(e){this.type=r.Syntax.ExportDefaultDeclaration,this.declaration=e};t.ExportNamedDeclaration=function(e,t,n){this.type=r.Syntax.ExportNamedDeclaration,this.declaration=e,this.specifiers=t,this.source=n};t.ExportSpecifier=function(e,t){this.type=r.Syntax.ExportSpecifier,this.exported=t,this.local=e};t.ExpressionStatement=function(e){this.type=r.Syntax.ExpressionStatement,this.expression=e};t.ForInStatement=function(e,t,n){this.type=r.Syntax.ForInStatement,this.left=e,this.right=t,this.body=n,this.each=!1};t.ForOfStatement=function(e,t,n){this.type=r.Syntax.ForOfStatement,this.left=e,this.right=t,this.body=n};t.ForStatement=function(e,t,n,o){this.type=r.Syntax.ForStatement,this.init=e,this.test=t,this.update=n,this.body=o};t.FunctionDeclaration=function(e,t,n,o){this.type=r.Syntax.FunctionDeclaration,this.id=e,this.params=t,this.body=n,this.generator=o,this.expression=!1,this.async=!1};t.FunctionExpression=function(e,t,n,o){this.type=r.Syntax.FunctionExpression,this.id=e,this.params=t,this.body=n,this.generator=o,this.expression=!1,this.async=!1};t.Identifier=function(e){this.type=r.Syntax.Identifier,this.name=e};t.IfStatement=function(e,t,n){this.type=r.Syntax.IfStatement,this.test=e,this.consequent=t,this.alternate=n};t.ImportDeclaration=function(e,t){this.type=r.Syntax.ImportDeclaration,this.specifiers=e,this.source=t};t.ImportDefaultSpecifier=function(e){this.type=r.Syntax.ImportDefaultSpecifier,this.local=e};t.ImportNamespaceSpecifier=function(e){this.type=r.Syntax.ImportNamespaceSpecifier,this.local=e};t.ImportSpecifier=function(e,t){this.type=r.Syntax.ImportSpecifier,this.local=e,this.imported=t};t.LabeledStatement=function(e,t){this.type=r.Syntax.LabeledStatement,this.label=e,this.body=t};t.Literal=function(e,t){this.type=r.Syntax.Literal,this.value=e,this.raw=t};t.MetaProperty=function(e,t){this.type=r.Syntax.MetaProperty,this.meta=e,this.property=t};t.MethodDefinition=function(e,t,n,o,i){this.type=r.Syntax.MethodDefinition,this.key=e,this.computed=t,this.value=n,this.kind=o,this.static=i};t.Module=function(e){this.type=r.Syntax.Program,this.body=e,this.sourceType="module"};t.NewExpression=function(e,t){this.type=r.Syntax.NewExpression,this.callee=e,this.arguments=t};t.ObjectExpression=function(e){this.type=r.Syntax.ObjectExpression,this.properties=e};t.ObjectPattern=function(e){this.type=r.Syntax.ObjectPattern,this.properties=e};t.Property=function(e,t,n,o,i,a){this.type=r.Syntax.Property,this.key=t,this.computed=n,this.value=o,this.kind=e,this.method=i,this.shorthand=a};t.RegexLiteral=function(e,t,n,o){this.type=r.Syntax.Literal,this.value=e,this.raw=t,this.regex={pattern:n,flags:o}};t.RestElement=function(e){this.type=r.Syntax.RestElement,this.argument=e};t.ReturnStatement=function(e){this.type=r.Syntax.ReturnStatement,this.argument=e};t.Script=function(e){this.type=r.Syntax.Program,this.body=e,this.sourceType="script"};t.SequenceExpression=function(e){this.type=r.Syntax.SequenceExpression,this.expressions=e};t.SpreadElement=function(e){this.type=r.Syntax.SpreadElement,this.argument=e};t.StaticMemberExpression=function(e,t){this.type=r.Syntax.MemberExpression,this.computed=!1,this.object=e,this.property=t};t.Super=function(){this.type=r.Syntax.Super};t.SwitchCase=function(e,t){this.type=r.Syntax.SwitchCase,this.test=e,this.consequent=t};t.SwitchStatement=function(e,t){this.type=r.Syntax.SwitchStatement,this.discriminant=e,this.cases=t};t.TaggedTemplateExpression=function(e,t){this.type=r.Syntax.TaggedTemplateExpression,this.tag=e,this.quasi=t};t.TemplateElement=function(e,t){this.type=r.Syntax.TemplateElement,this.value=e,this.tail=t};t.TemplateLiteral=function(e,t){this.type=r.Syntax.TemplateLiteral,this.quasis=e,this.expressions=t};t.ThisExpression=function(){this.type=r.Syntax.ThisExpression};t.ThrowStatement=function(e){this.type=r.Syntax.ThrowStatement,this.argument=e};t.TryStatement=function(e,t,n){this.type=r.Syntax.TryStatement,this.block=e,this.handler=t,this.finalizer=n};t.UnaryExpression=function(e,t){this.type=r.Syntax.UnaryExpression,this.operator=e,this.argument=t,this.prefix=!0};t.UpdateExpression=function(e,t,n){this.type=r.Syntax.UpdateExpression,this.operator=e,this.argument=t,this.prefix=n};t.VariableDeclaration=function(e,t){this.type=r.Syntax.VariableDeclaration,this.declarations=e,this.kind=t};t.VariableDeclarator=function(e,t){this.type=r.Syntax.VariableDeclarator,this.id=e,this.init=t};t.WhileStatement=function(e,t){this.type=r.Syntax.WhileStatement,this.test=e,this.body=t};t.WithStatement=function(e,t){this.type=r.Syntax.WithStatement,this.object=e,this.body=t};t.YieldExpression=function(e,t){this.type=r.Syntax.YieldExpression,this.argument=e,this.delegate=t}},function(e,t,n){"use 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s.Scanner(e,this.errorHandler),this.scanner.trackComment=this.config.comment,this.operatorPrecedence={")":0,";":0,",":0,"=":0,"]":0,"||":1,"&&":2,"|":3,"^":4,"&":5,"==":6,"!=":6,"===":6,"!==":6,"<":7,">":7,"<=":7,">=":7,"<<":8,">>":8,">>>":8,"+":9,"-":9,"*":11,"/":11,"%":11},this.lookahead={type:2,value:"",lineNumber:this.scanner.lineNumber,lineStart:0,start:0,end:0},this.hasLineTerminator=!1,this.context={isModule:!1,await:!1,allowIn:!0,allowStrictDirective:!0,allowYield:!0,firstCoverInitializedNameError:null,isAssignmentTarget:!1,isBindingElement:!1,inFunctionBody:!1,inIteration:!1,inSwitch:!1,labelSet:{},strict:!1},this.tokens=[],this.startMarker={index:0,line:this.scanner.lineNumber,column:0},this.lastMarker={index:0,line:this.scanner.lineNumber,column:0},this.nextToken(),this.lastMarker={index:this.scanner.index,line:this.scanner.lineNumber,column:this.scanner.index-this.scanner.lineStart}}return e.prototype.throwError=function(e){for(var t=[],n=1;n0&&this.delegate)for(var t=0;t>="===e||">>>="===e||"&="===e||"^="===e||"|="===e},e.prototype.isolateCoverGrammar=function(e){var t=this.context.isBindingElement,n=this.context.isAssignmentTarget,r=this.context.firstCoverInitializedNameError;this.context.isBindingElement=!0,this.context.isAssignmentTarget=!0,this.context.firstCoverInitializedNameError=null;var o=e.call(this);return null!==this.context.firstCoverInitializedNameError&&this.throwUnexpectedToken(this.context.firstCoverInitializedNameError),this.context.isBindingElement=t,this.context.isAssignmentTarget=n,this.context.firstCoverInitializedNameError=r,o},e.prototype.inheritCoverGrammar=function(e){var t=this.context.isBindingElement,n=this.context.isAssignmentTarget,r=this.context.firstCoverInitializedNameError;this.context.isBindingElement=!0,this.context.isAssignmentTarget=!0,this.context.firstCoverInitializedNameError=null;var o=e.call(this);return this.context.isBindingElement=this.context.isBindingElement&&t,this.context.isAssignmentTarget=this.context.isAssignmentTarget&&n,this.context.firstCoverInitializedNameError=r||this.context.firstCoverInitializedNameError,o},e.prototype.consumeSemicolon=function(){this.match(";")?this.nextToken():this.hasLineTerminator||(2===this.lookahead.type||this.match("}")||this.throwUnexpectedToken(this.lookahead),this.lastMarker.index=this.startMarker.index,this.lastMarker.line=this.startMarker.line,this.lastMarker.column=this.startMarker.column)},e.prototype.parsePrimaryExpression=function(){var e,t,n,r=this.createNode();switch(this.lookahead.type){case 3:(this.context.isModule||this.context.await)&&"await"===this.lookahead.value&&this.tolerateUnexpectedToken(this.lookahead),e=this.matchAsyncFunction()?this.parseFunctionExpression():this.finalize(r,new a.Identifier(this.nextToken().value));break;case 6:case 8:this.context.strict&&this.lookahead.octal&&this.tolerateUnexpectedToken(this.lookahead,i.Messages.StrictOctalLiteral),this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,t=this.nextToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.Literal(t.value,n));break;case 1:this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,t=this.nextToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.Literal("true"===t.value,n));break;case 5:this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,t=this.nextToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.Literal(null,n));break;case 10:e=this.parseTemplateLiteral();break;case 7:switch(this.lookahead.value){case"(":this.context.isBindingElement=!1,e=this.inheritCoverGrammar(this.parseGroupExpression);break;case"[":e=this.inheritCoverGrammar(this.parseArrayInitializer);break;case"{":e=this.inheritCoverGrammar(this.parseObjectInitializer);break;case"/":case"/=":this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,this.scanner.index=this.startMarker.index,t=this.nextRegexToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.RegexLiteral(t.regex,n,t.pattern,t.flags));break;default:e=this.throwUnexpectedToken(this.nextToken())}break;case 4:!this.context.strict&&this.context.allowYield&&this.matchKeyword("yield")?e=this.parseIdentifierName():!this.context.strict&&this.matchKeyword("let")?e=this.finalize(r,new a.Identifier(this.nextToken().value)):(this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,this.matchKeyword("function")?e=this.parseFunctionExpression():this.matchKeyword("this")?(this.nextToken(),e=this.finalize(r,new a.ThisExpression)):e=this.matchKeyword("class")?this.parseClassExpression():this.throwUnexpectedToken(this.nextToken()));break;default:e=this.throwUnexpectedToken(this.nextToken())}return e},e.prototype.parseSpreadElement=function(){var e=this.createNode();this.expect("...");var t=this.inheritCoverGrammar(this.parseAssignmentExpression);return this.finalize(e,new a.SpreadElement(t))},e.prototype.parseArrayInitializer=function(){var e=this.createNode(),t=[];for(this.expect("[");!this.match("]");)if(this.match(","))this.nextToken(),t.push(null);else if(this.match("...")){var n=this.parseSpreadElement();this.match("]")||(this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,this.expect(",")),t.push(n)}else t.push(this.inheritCoverGrammar(this.parseAssignmentExpression)),this.match("]")||this.expect(",");return this.expect("]"),this.finalize(e,new a.ArrayExpression(t))},e.prototype.parsePropertyMethod=function(e){this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1;var t=this.context.strict,n=this.context.allowStrictDirective;this.context.allowStrictDirective=e.simple;var r=this.isolateCoverGrammar(this.parseFunctionSourceElements);return this.context.strict&&e.firstRestricted&&this.tolerateUnexpectedToken(e.firstRestricted,e.message),this.context.strict&&e.stricted&&this.tolerateUnexpectedToken(e.stricted,e.message),this.context.strict=t,this.context.allowStrictDirective=n,r},e.prototype.parsePropertyMethodFunction=function(){var e=this.createNode(),t=this.context.allowYield;this.context.allowYield=!0;var n=this.parseFormalParameters(),r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!1))},e.prototype.parsePropertyMethodAsyncFunction=function(){var e=this.createNode(),t=this.context.allowYield,n=this.context.await;this.context.allowYield=!1,this.context.await=!0;var r=this.parseFormalParameters(),o=this.parsePropertyMethod(r);return this.context.allowYield=t,this.context.await=n,this.finalize(e,new a.AsyncFunctionExpression(null,r.params,o))},e.prototype.parseObjectPropertyKey=function(){var e,t=this.createNode(),n=this.nextToken();switch(n.type){case 8:case 6:this.context.strict&&n.octal&&this.tolerateUnexpectedToken(n,i.Messages.StrictOctalLiteral);var r=this.getTokenRaw(n);e=this.finalize(t,new a.Literal(n.value,r));break;case 3:case 1:case 5:case 4:e=this.finalize(t,new a.Identifier(n.value));break;case 7:"["===n.value?(e=this.isolateCoverGrammar(this.parseAssignmentExpression),this.expect("]")):e=this.throwUnexpectedToken(n);break;default:e=this.throwUnexpectedToken(n)}return e},e.prototype.isPropertyKey=function(e,t){return e.type===l.Syntax.Identifier&&e.name===t||e.type===l.Syntax.Literal&&e.value===t},e.prototype.parseObjectProperty=function(e){var t,n=this.createNode(),r=this.lookahead,o=null,s=null,l=!1,u=!1,c=!1,d=!1;if(3===r.type){var p=r.value;this.nextToken(),l=this.match("["),o=(d=!(this.hasLineTerminator||"async"!==p||this.match(":")||this.match("(")||this.match("*")||this.match(",")))?this.parseObjectPropertyKey():this.finalize(n,new a.Identifier(p))}else this.match("*")?this.nextToken():(l=this.match("["),o=this.parseObjectPropertyKey());var f=this.qualifiedPropertyName(this.lookahead);if(3===r.type&&!d&&"get"===r.value&&f)t="get",l=this.match("["),o=this.parseObjectPropertyKey(),this.context.allowYield=!1,s=this.parseGetterMethod();else if(3===r.type&&!d&&"set"===r.value&&f)t="set",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseSetterMethod();else if(7===r.type&&"*"===r.value&&f)t="init",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseGeneratorMethod(),u=!0;else if(o||this.throwUnexpectedToken(this.lookahead),t="init",this.match(":")&&!d)!l&&this.isPropertyKey(o,"__proto__")&&(e.value&&this.tolerateError(i.Messages.DuplicateProtoProperty),e.value=!0),this.nextToken(),s=this.inheritCoverGrammar(this.parseAssignmentExpression);else if(this.match("("))s=d?this.parsePropertyMethodAsyncFunction():this.parsePropertyMethodFunction(),u=!0;else if(3===r.type)if(p=this.finalize(n,new a.Identifier(r.value)),this.match("=")){this.context.firstCoverInitializedNameError=this.lookahead,this.nextToken(),c=!0;var h=this.isolateCoverGrammar(this.parseAssignmentExpression);s=this.finalize(n,new a.AssignmentPattern(p,h))}else c=!0,s=p;else this.throwUnexpectedToken(this.nextToken());return this.finalize(n,new a.Property(t,o,l,s,u,c))},e.prototype.parseObjectInitializer=function(){var e=this.createNode();this.expect("{");for(var t=[],n={value:!1};!this.match("}");)t.push(this.parseObjectProperty(n)),this.match("}")||this.expectCommaSeparator();return this.expect("}"),this.finalize(e,new a.ObjectExpression(t))},e.prototype.parseTemplateHead=function(){r.assert(this.lookahead.head,"Template literal must start with a template head");var e=this.createNode(),t=this.nextToken(),n=t.value,o=t.cooked;return this.finalize(e,new a.TemplateElement({raw:n,cooked:o},t.tail))},e.prototype.parseTemplateElement=function(){10!==this.lookahead.type&&this.throwUnexpectedToken();var e=this.createNode(),t=this.nextToken(),n=t.value,r=t.cooked;return this.finalize(e,new a.TemplateElement({raw:n,cooked:r},t.tail))},e.prototype.parseTemplateLiteral=function(){var e=this.createNode(),t=[],n=[],r=this.parseTemplateHead();for(n.push(r);!r.tail;)t.push(this.parseExpression()),r=this.parseTemplateElement(),n.push(r);return this.finalize(e,new a.TemplateLiteral(n,t))},e.prototype.reinterpretExpressionAsPattern=function(e){switch(e.type){case l.Syntax.Identifier:case l.Syntax.MemberExpression:case l.Syntax.RestElement:case l.Syntax.AssignmentPattern:break;case l.Syntax.SpreadElement:e.type=l.Syntax.RestElement,this.reinterpretExpressionAsPattern(e.argument);break;case l.Syntax.ArrayExpression:e.type=l.Syntax.ArrayPattern;for(var t=0;t")||this.expect("=>"),e={type:"ArrowParameterPlaceHolder",params:[],async:!1};else{var t=this.lookahead,n=[];if(this.match("..."))e=this.parseRestElement(n),this.expect(")"),this.match("=>")||this.expect("=>"),e={type:"ArrowParameterPlaceHolder",params:[e],async:!1};else{var r=!1;if(this.context.isBindingElement=!0,e=this.inheritCoverGrammar(this.parseAssignmentExpression),this.match(",")){var o=[];for(this.context.isAssignmentTarget=!1,o.push(e);2!==this.lookahead.type&&this.match(",");){if(this.nextToken(),this.match(")")){this.nextToken();for(var i=0;i")||this.expect("=>"),this.context.isBindingElement=!1,i=0;i")&&(e.type===l.Syntax.Identifier&&"yield"===e.name&&(r=!0,e={type:"ArrowParameterPlaceHolder",params:[e],async:!1}),!r)){if(this.context.isBindingElement||this.throwUnexpectedToken(this.lookahead),e.type===l.Syntax.SequenceExpression)for(i=0;i")){for(var l=0;l0){this.nextToken(),this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1;for(var o=[e,this.lookahead],i=t,s=this.isolateCoverGrammar(this.parseExponentiationExpression),l=[i,n.value,s],u=[r];!((r=this.binaryPrecedence(this.lookahead))<=0);){for(;l.length>2&&r<=u[u.length-1];){s=l.pop();var c=l.pop();u.pop(),i=l.pop(),o.pop();var d=this.startNode(o[o.length-1]);l.push(this.finalize(d,new a.BinaryExpression(c,i,s)))}l.push(this.nextToken().value),u.push(r),o.push(this.lookahead),l.push(this.isolateCoverGrammar(this.parseExponentiationExpression))}var p=l.length-1;t=l[p];for(var f=o.pop();p>1;){var h=o.pop(),m=f&&f.lineStart;d=this.startNode(h,m),c=l[p-1],t=this.finalize(d,new a.BinaryExpression(c,l[p-2],t)),p-=2,f=h}}return t},e.prototype.parseConditionalExpression=function(){var e=this.lookahead,t=this.inheritCoverGrammar(this.parseBinaryExpression);if(this.match("?")){this.nextToken();var n=this.context.allowIn;this.context.allowIn=!0;var r=this.isolateCoverGrammar(this.parseAssignmentExpression);this.context.allowIn=n,this.expect(":");var o=this.isolateCoverGrammar(this.parseAssignmentExpression);t=this.finalize(this.startNode(e),new a.ConditionalExpression(t,r,o)),this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1}return t},e.prototype.checkPatternParam=function(e,t){switch(t.type){case l.Syntax.Identifier:this.validateParam(e,t,t.name);break;case l.Syntax.RestElement:this.checkPatternParam(e,t.argument);break;case l.Syntax.AssignmentPattern:this.checkPatternParam(e,t.left);break;case l.Syntax.ArrayPattern:for(var n=0;n")){this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1;var o=e.async,s=this.reinterpretAsCoverFormalsList(e);if(s){this.hasLineTerminator&&this.tolerateUnexpectedToken(this.lookahead),this.context.firstCoverInitializedNameError=null;var u=this.context.strict,c=this.context.allowStrictDirective;this.context.allowStrictDirective=s.simple;var d=this.context.allowYield,p=this.context.await;this.context.allowYield=!0,this.context.await=o;var f=this.startNode(t);this.expect("=>");var h=void 0;if(this.match("{")){var m=this.context.allowIn;this.context.allowIn=!0,h=this.parseFunctionSourceElements(),this.context.allowIn=m}else h=this.isolateCoverGrammar(this.parseAssignmentExpression);var g=h.type!==l.Syntax.BlockStatement;this.context.strict&&s.firstRestricted&&this.throwUnexpectedToken(s.firstRestricted,s.message),this.context.strict&&s.stricted&&this.tolerateUnexpectedToken(s.stricted,s.message),e=o?this.finalize(f,new a.AsyncArrowFunctionExpression(s.params,h,g)):this.finalize(f,new a.ArrowFunctionExpression(s.params,h,g)),this.context.strict=u,this.context.allowStrictDirective=c,this.context.allowYield=d,this.context.await=p}}else if(this.matchAssign()){if(this.context.isAssignmentTarget||this.tolerateError(i.Messages.InvalidLHSInAssignment),this.context.strict&&e.type===l.Syntax.Identifier){var v=e;this.scanner.isRestrictedWord(v.name)&&this.tolerateUnexpectedToken(n,i.Messages.StrictLHSAssignment),this.scanner.isStrictModeReservedWord(v.name)&&this.tolerateUnexpectedToken(n,i.Messages.StrictReservedWord)}this.match("=")?this.reinterpretExpressionAsPattern(e):(this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1);var y=(n=this.nextToken()).value,b=this.isolateCoverGrammar(this.parseAssignmentExpression);e=this.finalize(this.startNode(t),new a.AssignmentExpression(y,e,b)),this.context.firstCoverInitializedNameError=null}}return e},e.prototype.parseExpression=function(){var e=this.lookahead,t=this.isolateCoverGrammar(this.parseAssignmentExpression);if(this.match(",")){var n=[];for(n.push(t);2!==this.lookahead.type&&this.match(",");)this.nextToken(),n.push(this.isolateCoverGrammar(this.parseAssignmentExpression));t=this.finalize(this.startNode(e),new a.SequenceExpression(n))}return t},e.prototype.parseStatementListItem=function(){var e;if(this.context.isAssignmentTarget=!0,this.context.isBindingElement=!0,4===this.lookahead.type)switch(this.lookahead.value){case"export":this.context.isModule||this.tolerateUnexpectedToken(this.lookahead,i.Messages.IllegalExportDeclaration),e=this.parseExportDeclaration();break;case"import":this.context.isModule||this.tolerateUnexpectedToken(this.lookahead,i.Messages.IllegalImportDeclaration),e=this.parseImportDeclaration();break;case"const":e=this.parseLexicalDeclaration({inFor:!1});break;case"function":e=this.parseFunctionDeclaration();break;case"class":e=this.parseClassDeclaration();break;case"let":e=this.isLexicalDeclaration()?this.parseLexicalDeclaration({inFor:!1}):this.parseStatement();break;default:e=this.parseStatement()}else e=this.parseStatement();return e},e.prototype.parseBlock=function(){var e=this.createNode();this.expect("{");for(var t=[];!this.match("}");)t.push(this.parseStatementListItem());return this.expect("}"),this.finalize(e,new a.BlockStatement(t))},e.prototype.parseLexicalBinding=function(e,t){var n=this.createNode(),r=this.parsePattern([],e);this.context.strict&&r.type===l.Syntax.Identifier&&this.scanner.isRestrictedWord(r.name)&&this.tolerateError(i.Messages.StrictVarName);var o=null;return"const"===e?this.matchKeyword("in")||this.matchContextualKeyword("of")||(this.match("=")?(this.nextToken(),o=this.isolateCoverGrammar(this.parseAssignmentExpression)):this.throwError(i.Messages.DeclarationMissingInitializer,"const")):(!t.inFor&&r.type!==l.Syntax.Identifier||this.match("="))&&(this.expect("="),o=this.isolateCoverGrammar(this.parseAssignmentExpression)),this.finalize(n,new a.VariableDeclarator(r,o))},e.prototype.parseBindingList=function(e,t){for(var n=[this.parseLexicalBinding(e,t)];this.match(",");)this.nextToken(),n.push(this.parseLexicalBinding(e,t));return n},e.prototype.isLexicalDeclaration=function(){var e=this.scanner.saveState();this.scanner.scanComments();var t=this.scanner.lex();return this.scanner.restoreState(e),3===t.type||7===t.type&&"["===t.value||7===t.type&&"{"===t.value||4===t.type&&"let"===t.value||4===t.type&&"yield"===t.value},e.prototype.parseLexicalDeclaration=function(e){var t=this.createNode(),n=this.nextToken().value;r.assert("let"===n||"const"===n,"Lexical declaration must be either let or const");var o=this.parseBindingList(n,e);return this.consumeSemicolon(),this.finalize(t,new a.VariableDeclaration(o,n))},e.prototype.parseBindingRestElement=function(e,t){var n=this.createNode();this.expect("...");var r=this.parsePattern(e,t);return this.finalize(n,new a.RestElement(r))},e.prototype.parseArrayPattern=function(e,t){var n=this.createNode();this.expect("[");for(var r=[];!this.match("]");)if(this.match(","))this.nextToken(),r.push(null);else{if(this.match("...")){r.push(this.parseBindingRestElement(e,t));break}r.push(this.parsePatternWithDefault(e,t)),this.match("]")||this.expect(",")}return this.expect("]"),this.finalize(n,new a.ArrayPattern(r))},e.prototype.parsePropertyPattern=function(e,t){var n,r,o=this.createNode(),i=!1,s=!1;if(3===this.lookahead.type){var l=this.lookahead;n=this.parseVariableIdentifier();var u=this.finalize(o,new a.Identifier(l.value));if(this.match("=")){e.push(l),s=!0,this.nextToken();var c=this.parseAssignmentExpression();r=this.finalize(this.startNode(l),new a.AssignmentPattern(u,c))}else this.match(":")?(this.expect(":"),r=this.parsePatternWithDefault(e,t)):(e.push(l),s=!0,r=u)}else i=this.match("["),n=this.parseObjectPropertyKey(),this.expect(":"),r=this.parsePatternWithDefault(e,t);return this.finalize(o,new a.Property("init",n,i,r,!1,s))},e.prototype.parseObjectPattern=function(e,t){var n=this.createNode(),r=[];for(this.expect("{");!this.match("}");)r.push(this.parsePropertyPattern(e,t)),this.match("}")||this.expect(",");return this.expect("}"),this.finalize(n,new a.ObjectPattern(r))},e.prototype.parsePattern=function(e,t){var n;return this.match("[")?n=this.parseArrayPattern(e,t):this.match("{")?n=this.parseObjectPattern(e,t):(!this.matchKeyword("let")||"const"!==t&&"let"!==t||this.tolerateUnexpectedToken(this.lookahead,i.Messages.LetInLexicalBinding),e.push(this.lookahead),n=this.parseVariableIdentifier(t)),n},e.prototype.parsePatternWithDefault=function(e,t){var n=this.lookahead,r=this.parsePattern(e,t);if(this.match("=")){this.nextToken();var o=this.context.allowYield;this.context.allowYield=!0;var i=this.isolateCoverGrammar(this.parseAssignmentExpression);this.context.allowYield=o,r=this.finalize(this.startNode(n),new a.AssignmentPattern(r,i))}return r},e.prototype.parseVariableIdentifier=function(e){var t=this.createNode(),n=this.nextToken();return 4===n.type&&"yield"===n.value?this.context.strict?this.tolerateUnexpectedToken(n,i.Messages.StrictReservedWord):this.context.allowYield||this.throwUnexpectedToken(n):3!==n.type?this.context.strict&&4===n.type&&this.scanner.isStrictModeReservedWord(n.value)?this.tolerateUnexpectedToken(n,i.Messages.StrictReservedWord):(this.context.strict||"let"!==n.value||"var"!==e)&&this.throwUnexpectedToken(n):(this.context.isModule||this.context.await)&&3===n.type&&"await"===n.value&&this.tolerateUnexpectedToken(n),this.finalize(t,new a.Identifier(n.value))},e.prototype.parseVariableDeclaration=function(e){var t=this.createNode(),n=this.parsePattern([],"var");this.context.strict&&n.type===l.Syntax.Identifier&&this.scanner.isRestrictedWord(n.name)&&this.tolerateError(i.Messages.StrictVarName);var r=null;return this.match("=")?(this.nextToken(),r=this.isolateCoverGrammar(this.parseAssignmentExpression)):n.type===l.Syntax.Identifier||e.inFor||this.expect("="),this.finalize(t,new a.VariableDeclarator(n,r))},e.prototype.parseVariableDeclarationList=function(e){var t={inFor:e.inFor},n=[];for(n.push(this.parseVariableDeclaration(t));this.match(",");)this.nextToken(),n.push(this.parseVariableDeclaration(t));return n},e.prototype.parseVariableStatement=function(){var e=this.createNode();this.expectKeyword("var");var t=this.parseVariableDeclarationList({inFor:!1});return this.consumeSemicolon(),this.finalize(e,new a.VariableDeclaration(t,"var"))},e.prototype.parseEmptyStatement=function(){var e=this.createNode();return this.expect(";"),this.finalize(e,new a.EmptyStatement)},e.prototype.parseExpressionStatement=function(){var e=this.createNode(),t=this.parseExpression();return this.consumeSemicolon(),this.finalize(e,new a.ExpressionStatement(t))},e.prototype.parseIfClause=function(){return this.context.strict&&this.matchKeyword("function")&&this.tolerateError(i.Messages.StrictFunction),this.parseStatement()},e.prototype.parseIfStatement=function(){var e,t=this.createNode(),n=null;this.expectKeyword("if"),this.expect("(");var r=this.parseExpression();return!this.match(")")&&this.config.tolerant?(this.tolerateUnexpectedToken(this.nextToken()),e=this.finalize(this.createNode(),new a.EmptyStatement)):(this.expect(")"),e=this.parseIfClause(),this.matchKeyword("else")&&(this.nextToken(),n=this.parseIfClause())),this.finalize(t,new a.IfStatement(r,e,n))},e.prototype.parseDoWhileStatement=function(){var e=this.createNode();this.expectKeyword("do");var t=this.context.inIteration;this.context.inIteration=!0;var n=this.parseStatement();this.context.inIteration=t,this.expectKeyword("while"),this.expect("(");var r=this.parseExpression();return!this.match(")")&&this.config.tolerant?this.tolerateUnexpectedToken(this.nextToken()):(this.expect(")"),this.match(";")&&this.nextToken()),this.finalize(e,new a.DoWhileStatement(n,r))},e.prototype.parseWhileStatement=function(){var e,t=this.createNode();this.expectKeyword("while"),this.expect("(");var n=this.parseExpression();if(!this.match(")")&&this.config.tolerant)this.tolerateUnexpectedToken(this.nextToken()),e=this.finalize(this.createNode(),new a.EmptyStatement);else{this.expect(")");var r=this.context.inIteration;this.context.inIteration=!0,e=this.parseStatement(),this.context.inIteration=r}return this.finalize(t,new a.WhileStatement(n,e))},e.prototype.parseForStatement=function(){var e,t,n,r=null,o=null,s=null,u=!0,c=this.createNode();if(this.expectKeyword("for"),this.expect("("),this.match(";"))this.nextToken();else if(this.matchKeyword("var")){r=this.createNode(),this.nextToken();var d=this.context.allowIn;this.context.allowIn=!1;var p=this.parseVariableDeclarationList({inFor:!0});if(this.context.allowIn=d,1===p.length&&this.matchKeyword("in")){var f=p[0];f.init&&(f.id.type===l.Syntax.ArrayPattern||f.id.type===l.Syntax.ObjectPattern||this.context.strict)&&this.tolerateError(i.Messages.ForInOfLoopInitializer,"for-in"),r=this.finalize(r,new a.VariableDeclaration(p,"var")),this.nextToken(),e=r,t=this.parseExpression(),r=null}else 1===p.length&&null===p[0].init&&this.matchContextualKeyword("of")?(r=this.finalize(r,new a.VariableDeclaration(p,"var")),this.nextToken(),e=r,t=this.parseAssignmentExpression(),r=null,u=!1):(r=this.finalize(r,new a.VariableDeclaration(p,"var")),this.expect(";"))}else if(this.matchKeyword("const")||this.matchKeyword("let")){r=this.createNode();var h=this.nextToken().value;this.context.strict||"in"!==this.lookahead.value?(d=this.context.allowIn,this.context.allowIn=!1,p=this.parseBindingList(h,{inFor:!0}),this.context.allowIn=d,1===p.length&&null===p[0].init&&this.matchKeyword("in")?(r=this.finalize(r,new a.VariableDeclaration(p,h)),this.nextToken(),e=r,t=this.parseExpression(),r=null):1===p.length&&null===p[0].init&&this.matchContextualKeyword("of")?(r=this.finalize(r,new a.VariableDeclaration(p,h)),this.nextToken(),e=r,t=this.parseAssignmentExpression(),r=null,u=!1):(this.consumeSemicolon(),r=this.finalize(r,new a.VariableDeclaration(p,h)))):(r=this.finalize(r,new a.Identifier(h)),this.nextToken(),e=r,t=this.parseExpression(),r=null)}else{var m=this.lookahead;if(d=this.context.allowIn,this.context.allowIn=!1,r=this.inheritCoverGrammar(this.parseAssignmentExpression),this.context.allowIn=d,this.matchKeyword("in"))this.context.isAssignmentTarget&&r.type!==l.Syntax.AssignmentExpression||this.tolerateError(i.Messages.InvalidLHSInForIn),this.nextToken(),this.reinterpretExpressionAsPattern(r),e=r,t=this.parseExpression(),r=null;else if(this.matchContextualKeyword("of"))this.context.isAssignmentTarget&&r.type!==l.Syntax.AssignmentExpression||this.tolerateError(i.Messages.InvalidLHSInForLoop),this.nextToken(),this.reinterpretExpressionAsPattern(r),e=r,t=this.parseAssignmentExpression(),r=null,u=!1;else{if(this.match(",")){for(var g=[r];this.match(",");)this.nextToken(),g.push(this.isolateCoverGrammar(this.parseAssignmentExpression));r=this.finalize(this.startNode(m),new a.SequenceExpression(g))}this.expect(";")}}if(void 0===e&&(this.match(";")||(o=this.parseExpression()),this.expect(";"),this.match(")")||(s=this.parseExpression())),!this.match(")")&&this.config.tolerant)this.tolerateUnexpectedToken(this.nextToken()),n=this.finalize(this.createNode(),new a.EmptyStatement);else{this.expect(")");var v=this.context.inIteration;this.context.inIteration=!0,n=this.isolateCoverGrammar(this.parseStatement),this.context.inIteration=v}return void 0===e?this.finalize(c,new a.ForStatement(r,o,s,n)):u?this.finalize(c,new a.ForInStatement(e,t,n)):this.finalize(c,new a.ForOfStatement(e,t,n))},e.prototype.parseContinueStatement=function(){var e=this.createNode();this.expectKeyword("continue");var t=null;if(3===this.lookahead.type&&!this.hasLineTerminator){var n=this.parseVariableIdentifier();t=n;var r="$"+n.name;Object.prototype.hasOwnProperty.call(this.context.labelSet,r)||this.throwError(i.Messages.UnknownLabel,n.name)}return this.consumeSemicolon(),null!==t||this.context.inIteration||this.throwError(i.Messages.IllegalContinue),this.finalize(e,new a.ContinueStatement(t))},e.prototype.parseBreakStatement=function(){var e=this.createNode();this.expectKeyword("break");var t=null;if(3===this.lookahead.type&&!this.hasLineTerminator){var n=this.parseVariableIdentifier(),r="$"+n.name;Object.prototype.hasOwnProperty.call(this.context.labelSet,r)||this.throwError(i.Messages.UnknownLabel,n.name),t=n}return this.consumeSemicolon(),null!==t||this.context.inIteration||this.context.inSwitch||this.throwError(i.Messages.IllegalBreak),this.finalize(e,new a.BreakStatement(t))},e.prototype.parseReturnStatement=function(){this.context.inFunctionBody||this.tolerateError(i.Messages.IllegalReturn);var e=this.createNode();this.expectKeyword("return");var t=(this.match(";")||this.match("}")||this.hasLineTerminator||2===this.lookahead.type)&&8!==this.lookahead.type&&10!==this.lookahead.type?null:this.parseExpression();return this.consumeSemicolon(),this.finalize(e,new a.ReturnStatement(t))},e.prototype.parseWithStatement=function(){this.context.strict&&this.tolerateError(i.Messages.StrictModeWith);var e,t=this.createNode();this.expectKeyword("with"),this.expect("(");var n=this.parseExpression();return!this.match(")")&&this.config.tolerant?(this.tolerateUnexpectedToken(this.nextToken()),e=this.finalize(this.createNode(),new a.EmptyStatement)):(this.expect(")"),e=this.parseStatement()),this.finalize(t,new a.WithStatement(n,e))},e.prototype.parseSwitchCase=function(){var e,t=this.createNode();this.matchKeyword("default")?(this.nextToken(),e=null):(this.expectKeyword("case"),e=this.parseExpression()),this.expect(":");for(var n=[];!(this.match("}")||this.matchKeyword("default")||this.matchKeyword("case"));)n.push(this.parseStatementListItem());return this.finalize(t,new a.SwitchCase(e,n))},e.prototype.parseSwitchStatement=function(){var e=this.createNode();this.expectKeyword("switch"),this.expect("(");var t=this.parseExpression();this.expect(")");var n=this.context.inSwitch;this.context.inSwitch=!0;var r=[],o=!1;for(this.expect("{");!this.match("}");){var s=this.parseSwitchCase();null===s.test&&(o&&this.throwError(i.Messages.MultipleDefaultsInSwitch),o=!0),r.push(s)}return this.expect("}"),this.context.inSwitch=n,this.finalize(e,new a.SwitchStatement(t,r))},e.prototype.parseLabelledStatement=function(){var e,t=this.createNode(),n=this.parseExpression();if(n.type===l.Syntax.Identifier&&this.match(":")){this.nextToken();var r=n,o="$"+r.name;Object.prototype.hasOwnProperty.call(this.context.labelSet,o)&&this.throwError(i.Messages.Redeclaration,"Label",r.name),this.context.labelSet[o]=!0;var s=void 0;if(this.matchKeyword("class"))this.tolerateUnexpectedToken(this.lookahead),s=this.parseClassDeclaration();else if(this.matchKeyword("function")){var u=this.lookahead,c=this.parseFunctionDeclaration();this.context.strict?this.tolerateUnexpectedToken(u,i.Messages.StrictFunction):c.generator&&this.tolerateUnexpectedToken(u,i.Messages.GeneratorInLegacyContext),s=c}else s=this.parseStatement();delete this.context.labelSet[o],e=new a.LabeledStatement(r,s)}else this.consumeSemicolon(),e=new a.ExpressionStatement(n);return this.finalize(t,e)},e.prototype.parseThrowStatement=function(){var e=this.createNode();this.expectKeyword("throw"),this.hasLineTerminator&&this.throwError(i.Messages.NewlineAfterThrow);var t=this.parseExpression();return this.consumeSemicolon(),this.finalize(e,new a.ThrowStatement(t))},e.prototype.parseCatchClause=function(){var e=this.createNode();this.expectKeyword("catch"),this.expect("("),this.match(")")&&this.throwUnexpectedToken(this.lookahead);for(var t=[],n=this.parsePattern(t),r={},o=0;o0&&this.tolerateError(i.Messages.BadGetterArity);var r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!1))},e.prototype.parseSetterMethod=function(){var e=this.createNode(),t=this.context.allowYield;this.context.allowYield=!0;var n=this.parseFormalParameters();1!==n.params.length?this.tolerateError(i.Messages.BadSetterArity):n.params[0]instanceof a.RestElement&&this.tolerateError(i.Messages.BadSetterRestParameter);var r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!1))},e.prototype.parseGeneratorMethod=function(){var e=this.createNode(),t=this.context.allowYield;this.context.allowYield=!0;var n=this.parseFormalParameters();this.context.allowYield=!1;var r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!0))},e.prototype.isStartOfExpression=function(){var e=!0,t=this.lookahead.value;switch(this.lookahead.type){case 7:e="["===t||"("===t||"{"===t||"+"===t||"-"===t||"!"===t||"~"===t||"++"===t||"--"===t||"/"===t||"/="===t;break;case 4:e="class"===t||"delete"===t||"function"===t||"let"===t||"new"===t||"super"===t||"this"===t||"typeof"===t||"void"===t||"yield"===t}return e},e.prototype.parseYieldExpression=function(){var e=this.createNode();this.expectKeyword("yield");var t=null,n=!1;if(!this.hasLineTerminator){var r=this.context.allowYield;this.context.allowYield=!1,(n=this.match("*"))?(this.nextToken(),t=this.parseAssignmentExpression()):this.isStartOfExpression()&&(t=this.parseAssignmentExpression()),this.context.allowYield=r}return this.finalize(e,new a.YieldExpression(t,n))},e.prototype.parseClassElement=function(e){var t=this.lookahead,n=this.createNode(),r="",o=null,s=null,l=!1,u=!1,c=!1,d=!1;if(this.match("*"))this.nextToken();else if(l=this.match("["),"static"===(o=this.parseObjectPropertyKey()).name&&(this.qualifiedPropertyName(this.lookahead)||this.match("*"))&&(t=this.lookahead,c=!0,l=this.match("["),this.match("*")?this.nextToken():o=this.parseObjectPropertyKey()),3===t.type&&!this.hasLineTerminator&&"async"===t.value){var p=this.lookahead.value;":"!==p&&"("!==p&&"*"!==p&&(d=!0,t=this.lookahead,o=this.parseObjectPropertyKey(),3===t.type&&"constructor"===t.value&&this.tolerateUnexpectedToken(t,i.Messages.ConstructorIsAsync))}var f=this.qualifiedPropertyName(this.lookahead);return 3===t.type?"get"===t.value&&f?(r="get",l=this.match("["),o=this.parseObjectPropertyKey(),this.context.allowYield=!1,s=this.parseGetterMethod()):"set"===t.value&&f&&(r="set",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseSetterMethod()):7===t.type&&"*"===t.value&&f&&(r="init",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseGeneratorMethod(),u=!0),!r&&o&&this.match("(")&&(r="init",s=d?this.parsePropertyMethodAsyncFunction():this.parsePropertyMethodFunction(),u=!0),r||this.throwUnexpectedToken(this.lookahead),"init"===r&&(r="method"),l||(c&&this.isPropertyKey(o,"prototype")&&this.throwUnexpectedToken(t,i.Messages.StaticPrototype),!c&&this.isPropertyKey(o,"constructor")&&(("method"!==r||!u||s&&s.generator)&&this.throwUnexpectedToken(t,i.Messages.ConstructorSpecialMethod),e.value?this.throwUnexpectedToken(t,i.Messages.DuplicateConstructor):e.value=!0,r="constructor")),this.finalize(n,new 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t="0"!==e,n=s(e);return!this.eof()&&o.Character.isOctalDigit(this.source.charCodeAt(this.index))&&(t=!0,n=8*n+s(this.source[this.index++]),"0123".indexOf(e)>=0&&!this.eof()&&o.Character.isOctalDigit(this.source.charCodeAt(this.index))&&(n=8*n+s(this.source[this.index++]))),{code:n,octal:t}},e.prototype.scanIdentifier=function(){var e,t=this.index,n=92===this.source.charCodeAt(t)?this.getComplexIdentifier():this.getIdentifier();if(3!=(e=1===n.length?3:this.isKeyword(n)?4:"null"===n?5:"true"===n||"false"===n?1:3)&&t+n.length!==this.index){var r=this.index;this.index=t,this.tolerateUnexpectedToken(i.Messages.InvalidEscapedReservedWord),this.index=r}return{type:e,value:n,lineNumber:this.lineNumber,lineStart:this.lineStart,start:t,end:this.index}},e.prototype.scanPunctuator=function(){var e=this.index,t=this.source[this.index];switch(t){case"(":case"{":"{"===t&&this.curlyStack.push("{"),++this.index;break;case".":++this.index,"."===this.source[this.index]&&"."===this.source[this.index+1]&&(this.index+=2,t="...");break;case"}":++this.index,this.curlyStack.pop();break;case")":case";":case",":case"[":case"]":case":":case"?":case"~":++this.index;break;default:">>>="===(t=this.source.substr(this.index,4))?this.index+=4:"==="===(t=t.substr(0,3))||"!=="===t||">>>"===t||"<<="===t||">>="===t||"**="===t?this.index+=3:"&&"===(t=t.substr(0,2))||"||"===t||"=="===t||"!="===t||"+="===t||"-="===t||"*="===t||"/="===t||"++"===t||"--"===t||"<<"===t||">>"===t||"&="===t||"|="===t||"^="===t||"%="===t||"<="===t||">="===t||"=>"===t||"**"===t?this.index+=2:(t=this.source[this.index],"<>=!+-*%&|^/".indexOf(t)>=0&&++this.index)}return this.index===e&&this.throwUnexpectedToken(),{type:7,value:t,lineNumber:this.lineNumber,lineStart:this.lineStart,start:e,end:this.index}},e.prototype.scanHexLiteral=function(e){for(var t="";!this.eof()&&o.Character.isHexDigit(this.source.charCodeAt(this.index));)t+=this.source[this.index++];return 0===t.length&&this.throwUnexpectedToken(),o.Character.isIdentifierStart(this.source.charCodeAt(this.index))&&this.throwUnexpectedToken(),{type:6,value:parseInt("0x"+t,16),lineNumber:this.lineNumber,lineStart:this.lineStart,start:e,end:this.index}},e.prototype.scanBinaryLiteral=function(e){for(var t,n="";!this.eof()&&("0"===(t=this.source[this.index])||"1"===t);)n+=this.source[this.index++];return 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v[0]=e,v[1]=t,v[2]=n,v[3]=r,v[4]=o,v[5]=a,v[6]=s,v[7]=l,v[8]=u,v[9]=c,v[10]=d,v[11]=p,v[12]=f,v[13]=h,v[14]=m,v[15]=g,v}function p(e,t,n,r,o,i,a,s,l,u,c,d,p,f,h,m,g){return e[0]=t,e[1]=n,e[2]=r,e[3]=o,e[4]=i,e[5]=a,e[6]=s,e[7]=l,e[8]=u,e[9]=c,e[10]=d,e[11]=p,e[12]=f,e[13]=h,e[14]=m,e[15]=g,e}function f(e){return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e}function h(e,t){if(e===t){var n=t[1],r=t[2],o=t[3],i=t[6],a=t[7],s=t[11];e[1]=t[4],e[2]=t[8],e[3]=t[12],e[4]=n,e[6]=t[9],e[7]=t[13],e[8]=r,e[9]=i,e[11]=t[14],e[12]=o,e[13]=a,e[14]=s}else e[0]=t[0],e[1]=t[4],e[2]=t[8],e[3]=t[12],e[4]=t[1],e[5]=t[5],e[6]=t[9],e[7]=t[13],e[8]=t[2],e[9]=t[6],e[10]=t[10],e[11]=t[14],e[12]=t[3],e[13]=t[7],e[14]=t[11],e[15]=t[15];return e}function m(e,t){var n=t[0],r=t[1],o=t[2],i=t[3],a=t[4],s=t[5],l=t[6],u=t[7],c=t[8],d=t[9],p=t[10],f=t[11],h=t[12],m=t[13],g=t[14],v=t[15],y=n*s-r*a,b=n*l-o*a,x=n*u-i*a,_=r*l-o*s,T=r*u-i*s,S=o*u-i*l,w=c*m-d*h,C=c*g-p*h,A=c*v-f*h,E=d*g-p*m,D=d*v-f*m,I=p*v-f*g,O=y*I-b*D+x*E+_*A-T*C+S*w;return O?(O=1/O,e[0]=(s*I-l*D+u*E)*O,e[1]=(o*D-r*I-i*E)*O,e[2]=(m*S-g*T+v*_)*O,e[3]=(p*T-d*S-f*_)*O,e[4]=(l*A-a*I-u*C)*O,e[5]=(n*I-o*A+i*C)*O,e[6]=(g*x-h*S-v*b)*O,e[7]=(c*S-p*x+f*b)*O,e[8]=(a*D-s*A+u*w)*O,e[9]=(r*A-n*D-i*w)*O,e[10]=(h*T-m*x+v*y)*O,e[11]=(d*x-c*T-f*y)*O,e[12]=(s*C-a*E-l*w)*O,e[13]=(n*E-r*C+o*w)*O,e[14]=(m*b-h*_-g*y)*O,e[15]=(c*_-d*b+p*y)*O,e):null}function g(e,t){var n=t[0],r=t[1],o=t[2],i=t[3],a=t[4],s=t[5],l=t[6],u=t[7],c=t[8],d=t[9],p=t[10],f=t[11],h=t[12],m=t[13],g=t[14],v=t[15];return e[0]=s*(p*v-f*g)-d*(l*v-u*g)+m*(l*f-u*p),e[1]=-(r*(p*v-f*g)-d*(o*v-i*g)+m*(o*f-i*p)),e[2]=r*(l*v-u*g)-s*(o*v-i*g)+m*(o*u-i*l),e[3]=-(r*(l*f-u*p)-s*(o*f-i*p)+d*(o*u-i*l)),e[4]=-(a*(p*v-f*g)-c*(l*v-u*g)+h*(l*f-u*p)),e[5]=n*(p*v-f*g)-c*(o*v-i*g)+h*(o*f-i*p),e[6]=-(n*(l*v-u*g)-a*(o*v-i*g)+h*(o*u-i*l)),e[7]=n*(l*f-u*p)-a*(o*f-i*p)+c*(o*u-i*l),e[8]=a*(d*v-f*m)-c*(s*v-u*m)+h*(s*f-u*d),e[9]=-(n*(d*v-f*m)-c*(r*v-i*m)+h*(r*f-i*d)),e[10]=n*(s*v-u*m)-a*(r*v-i*m)+h*(r*u-i*s),e[11]=-(n*(s*f-u*d)-a*(r*f-i*d)+c*(r*u-i*s)),e[12]=-(a*(d*g-p*m)-c*(s*g-l*m)+h*(s*p-l*d)),e[13]=n*(d*g-p*m)-c*(r*g-o*m)+h*(r*p-o*d),e[14]=-(n*(s*g-l*m)-a*(r*g-o*m)+h*(r*l-o*s)),e[15]=n*(s*p-l*d)-a*(r*p-o*d)+c*(r*l-o*s),e}function v(e){var t=e[0],n=e[1],r=e[2],o=e[3],i=e[4],a=e[5],s=e[6],l=e[7],u=e[8],c=e[9],d=e[10],p=e[11],f=e[12],h=e[13],m=e[14],g=e[15];return(t*a-n*i)*(d*g-p*m)-(t*s-r*i)*(c*g-p*h)+(t*l-o*i)*(c*m-d*h)+(n*s-r*a)*(u*g-p*f)-(n*l-o*a)*(u*m-d*f)+(r*l-o*s)*(u*h-c*f)}function y(e,t,n){var r=t[0],o=t[1],i=t[2],a=t[3],s=t[4],l=t[5],u=t[6],c=t[7],d=t[8],p=t[9],f=t[10],h=t[11],m=t[12],g=t[13],v=t[14],y=t[15],b=n[0],x=n[1],_=n[2],T=n[3];return e[0]=b*r+x*s+_*d+T*m,e[1]=b*o+x*l+_*p+T*g,e[2]=b*i+x*u+_*f+T*v,e[3]=b*a+x*c+_*h+T*y,b=n[4],x=n[5],_=n[6],T=n[7],e[4]=b*r+x*s+_*d+T*m,e[5]=b*o+x*l+_*p+T*g,e[6]=b*i+x*u+_*f+T*v,e[7]=b*a+x*c+_*h+T*y,b=n[8],x=n[9],_=n[10],T=n[11],e[8]=b*r+x*s+_*d+T*m,e[9]=b*o+x*l+_*p+T*g,e[10]=b*i+x*u+_*f+T*v,e[11]=b*a+x*c+_*h+T*y,b=n[12],x=n[13],_=n[14],T=n[15],e[12]=b*r+x*s+_*d+T*m,e[13]=b*o+x*l+_*p+T*g,e[14]=b*i+x*u+_*f+T*v,e[15]=b*a+x*c+_*h+T*y,e}function b(e,t,n){var r,o,i,a,s,l,u,c,d,p,f,h,m=n[0],g=n[1],v=n[2];return t===e?(e[12]=t[0]*m+t[4]*g+t[8]*v+t[12],e[13]=t[1]*m+t[5]*g+t[9]*v+t[13],e[14]=t[2]*m+t[6]*g+t[10]*v+t[14],e[15]=t[3]*m+t[7]*g+t[11]*v+t[15]):(r=t[0],o=t[1],i=t[2],a=t[3],s=t[4],l=t[5],u=t[6],c=t[7],d=t[8],p=t[9],f=t[10],h=t[11],e[0]=r,e[1]=o,e[2]=i,e[3]=a,e[4]=s,e[5]=l,e[6]=u,e[7]=c,e[8]=d,e[9]=p,e[10]=f,e[11]=h,e[12]=r*m+s*g+d*v+t[12],e[13]=o*m+l*g+p*v+t[13],e[14]=i*m+u*g+f*v+t[14],e[15]=a*m+c*g+h*v+t[15]),e}function x(e,t,n){var r=n[0],o=n[1],i=n[2];return e[0]=t[0]*r,e[1]=t[1]*r,e[2]=t[2]*r,e[3]=t[3]*r,e[4]=t[4]*o,e[5]=t[5]*o,e[6]=t[6]*o,e[7]=t[7]*o,e[8]=t[8]*i,e[9]=t[9]*i,e[10]=t[10]*i,e[11]=t[11]*i,e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15],e}function _(e,t,n,r){var i,a,s,l,u,c,d,p,f,h,m,g,v,y,b,x,_,T,S,w,C,A,E,D,I=r[0],O=r[1],P=r[2],N=Math.hypot(I,O,P);return N0?(n[0]=2*(l*s+d*r+u*a-c*o)/p,n[1]=2*(u*s+d*o+c*r-l*a)/p,n[2]=2*(c*s+d*a+l*o-u*r)/p):(n[0]=2*(l*s+d*r+u*a-c*o),n[1]=2*(u*s+d*o+c*r-l*a),n[2]=2*(c*s+d*a+l*o-u*r)),P(e,t,n),e}function M(e,t){return e[0]=t[12],e[1]=t[13],e[2]=t[14],e}function R(e,t){var n=t[0],r=t[1],o=t[2],i=t[4],a=t[5],s=t[6],l=t[8],u=t[9],c=t[10];return e[0]=Math.hypot(n,r,o),e[1]=Math.hypot(i,a,s),e[2]=Math.hypot(l,u,c),e}function F(e,t){var n=new i(3);R(n,t);var r=1/n[0],o=1/n[1],a=1/n[2],s=t[0]*r,l=t[1]*o,u=t[2]*a,c=t[4]*r,d=t[5]*o,p=t[6]*a,f=t[8]*r,h=t[9]*o,m=t[10]*a,g=s+d+m,v=0;return g>0?(v=2*Math.sqrt(g+1),e[3]=.25*v,e[0]=(p-h)/v,e[1]=(f-u)/v,e[2]=(l-c)/v):s>d&&s>m?(v=2*Math.sqrt(1+s-d-m),e[3]=(p-h)/v,e[0]=.25*v,e[1]=(l+c)/v,e[2]=(f+u)/v):d>m?(v=2*Math.sqrt(1+d-s-m),e[3]=(f-u)/v,e[0]=(l+c)/v,e[1]=.25*v,e[2]=(p+h)/v):(v=2*Math.sqrt(1+m-s-d),e[3]=(l-c)/v,e[0]=(f+u)/v,e[1]=(p+h)/v,e[2]=.25*v),e}function k(e,t,n,r){var o=t[0],i=t[1],a=t[2],s=t[3],l=o+o,u=i+i,c=a+a,d=o*l,p=o*u,f=o*c,h=i*u,m=i*c,g=a*c,v=s*l,y=s*u,b=s*c,x=r[0],_=r[1],T=r[2];return e[0]=(1-(h+g))*x,e[1]=(p+b)*x,e[2]=(f-y)*x,e[3]=0,e[4]=(p-b)*_,e[5]=(1-(d+g))*_,e[6]=(m+v)*_,e[7]=0,e[8]=(f+y)*T,e[9]=(m-v)*T,e[10]=(1-(d+h))*T,e[11]=0,e[12]=n[0],e[13]=n[1],e[14]=n[2],e[15]=1,e}function L(e,t,n,r,o){var i=t[0],a=t[1],s=t[2],l=t[3],u=i+i,c=a+a,d=s+s,p=i*u,f=i*c,h=i*d,m=a*c,g=a*d,v=s*d,y=l*u,b=l*c,x=l*d,_=r[0],T=r[1],S=r[2],w=o[0],C=o[1],A=o[2],E=(1-(m+v))*_,D=(f+x)*_,I=(h-b)*_,O=(f-x)*T,P=(1-(p+v))*T,N=(g+y)*T,M=(h+b)*S,R=(g-y)*S,F=(1-(p+m))*S;return e[0]=E,e[1]=D,e[2]=I,e[3]=0,e[4]=O,e[5]=P,e[6]=N,e[7]=0,e[8]=M,e[9]=R,e[10]=F,e[11]=0,e[12]=n[0]+w-(E*w+O*C+M*A),e[13]=n[1]+C-(D*w+P*C+R*A),e[14]=n[2]+A-(I*w+N*C+F*A),e[15]=1,e}function B(e,t){var n=t[0],r=t[1],o=t[2],i=t[3],a=n+n,s=r+r,l=o+o,u=n*a,c=r*a,d=r*s,p=o*a,f=o*s,h=o*l,m=i*a,g=i*s,v=i*l;return e[0]=1-d-h,e[1]=c+v,e[2]=p-g,e[3]=0,e[4]=c-v,e[5]=1-u-h,e[6]=f+m,e[7]=0,e[8]=p+g,e[9]=f-m,e[10]=1-u-d,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e}function V(e,t,n,r,o,i,a){var s=1/(n-t),l=1/(o-r),u=1/(i-a);return e[0]=2*i*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=2*i*l,e[6]=0,e[7]=0,e[8]=(n+t)*s,e[9]=(o+r)*l,e[10]=(a+i)*u,e[11]=-1,e[12]=0,e[13]=0,e[14]=a*i*2*u,e[15]=0,e}function U(e,t,n,r,o){var i,a=1/Math.tan(t/2);return e[0]=a/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=a,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(i=1/(r-o),e[10]=(o+r)*i,e[14]=2*o*r*i):(e[10]=-1,e[14]=-2*r),e}Math.hypot||(Math.hypot=function(){for(var e=0,t=arguments.length;t--;)e+=arguments[t]*arguments[t];return Math.sqrt(e)});var G=U;function z(e,t,n,r,o){var i,a=1/Math.tan(t/2);return e[0]=a/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=a,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(i=1/(r-o),e[10]=o*i,e[14]=o*r*i):(e[10]=-1,e[14]=-r),e}function j(e,t,n,r){var o=Math.tan(t.upDegrees*Math.PI/180),i=Math.tan(t.downDegrees*Math.PI/180),a=Math.tan(t.leftDegrees*Math.PI/180),s=Math.tan(t.rightDegrees*Math.PI/180),l=2/(a+s),u=2/(o+i);return e[0]=l,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=u,e[6]=0,e[7]=0,e[8]=-(a-s)*l*.5,e[9]=(o-i)*u*.5,e[10]=r/(n-r),e[11]=-1,e[12]=0,e[13]=0,e[14]=r*n/(n-r),e[15]=0,e}function W(e,t,n,r,o,i,a){var s=1/(t-n),l=1/(r-o),u=1/(i-a);return e[0]=-2*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*l,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=2*u,e[11]=0,e[12]=(t+n)*s,e[13]=(o+r)*l,e[14]=(a+i)*u,e[15]=1,e}var H=W;function X(e,t,n,r,o,i,a){var s=1/(t-n),l=1/(r-o),u=1/(i-a);return e[0]=-2*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*l,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=u,e[11]=0,e[12]=(t+n)*s,e[13]=(o+r)*l,e[14]=i*u,e[15]=1,e}function K(e,t,n,r){var i,a,s,l,u,c,d,p,h,m,g=t[0],v=t[1],y=t[2],b=r[0],x=r[1],_=r[2],T=n[0],S=n[1],w=n[2];return Math.abs(g-T)0&&(c*=f=1/Math.sqrt(f),d*=f,p*=f);var h=l*p-u*d,m=u*c-s*p,g=s*d-l*c;return(f=h*h+m*m+g*g)>0&&(h*=f=1/Math.sqrt(f),m*=f,g*=f),e[0]=h,e[1]=m,e[2]=g,e[3]=0,e[4]=d*g-p*m,e[5]=p*h-c*g,e[6]=c*m-d*h,e[7]=0,e[8]=c,e[9]=d,e[10]=p,e[11]=0,e[12]=o,e[13]=i,e[14]=a,e[15]=1,e}function 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Ai(e,t){t.classHierarchy.push("vtkPlane"),e.distanceToPlane=e=>bi(e,t.origin,t.normal),e.projectPoint=(e,n)=>{xi(e,t.origin,t.normal,n)},e.projectVector=(e,n)=>_i(e,t.normal,n),e.push=e=>{if(0!==e)for(let n=0;n<3;n++)t.origin[n]+=e*t.normal[n]},e.generalizedProjectPoint=(e,n)=>{Ti(e,t.origin,t.normal,n)},e.evaluateFunction=(e,n,r)=>Array.isArray(e)?t.normal[0]*(e[0]-t.origin[0])+t.normal[1]*(e[1]-t.origin[1])+t.normal[2]*(e[2]-t.origin[2]):t.normal[0]*(e-t.origin[0])+t.normal[1]*(n-t.origin[1])+t.normal[2]*(r-t.origin[2]),e.evaluateGradient=e=>[t.normal[0],t.normal[1],t.normal[2]],e.intersectWithLine=(e,n)=>Si(e,n,t.origin,t.normal),e.intersectWithPlane=(e,n)=>wi(e,n,t.origin,t.normal)}const Ei={normal:[0,0,1],origin:[0,0,0]};function Di(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ei,n),gt.obj(e,t),gt.setGetArray(e,t,["normal","origin"],3),Ai(e,t)}var Ii={newInstance:gt.newInstance(Di,"vtkPlane"),extend:Di,...Ci};function Oi(e,t,n,r){const o=n[0]-t[0],i=n[1]-t[1],a=n[2]-t[2],s=e[0]-t[0],l=e[1]-t[1],u=e[2]-t[2];r[0]=i*u-a*l,r[1]=a*s-o*u,r[2]=o*l-i*s}function Pi(e,t,n,r){Oi(e,t,n,r);const o=Math.sqrt(r[0]*r[0]+r[1]*r[1]+r[2]*r[2]);0!==o&&(r[0]/=o,r[1]/=o,r[2]/=o)}const Ni={computeNormalDirection:Oi,computeNormal:Pi,intersectWithTriangle:function(e,t,n,r,o,i){let a=arguments.length>6&&void 0!==arguments[6]?arguments[6]:1e-6,s=!1;const l=[],u=[],c=[],d=[],p=[];Pi(e,t,n,d),Pi(r,o,i,p);const f=-Ln(d,e),h=-Ln(p,r),m=[Ln(p,e)+h,Ln(p,t)+h,Ln(p,n)+h];if(m[0]*m[1]>a&&m[0]*m[2]>a)return{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};const g=[Ln(d,r)+f,Ln(d,o)+f,Ln(d,i)+f];if(g[0]*g[1]>a&&g[0]*g[2]>a)return{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};if(Math.abs(d[0]-p[0])<1e-9&&Math.abs(d[1]-p[1])<1e-9&&Math.abs(d[2]-p[2])<1e-9&&Math.abs(f-h)<1e-9)return s=!0,{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};const 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pa(e,t){t.classHierarchy.push("vtkOpenGLCellArrayBufferObject"),e.setType(ta.ARRAY_BUFFER),e.createVBO=function(n,r,o,i){let a=arguments.length>4&&void 0!==arguments[4]?arguments[4]:null;if(!n.getData()||!n.getData().length)return t.elementCount=0,0;t.blockSize=3,t.vertexOffset=0,t.normalOffset=0,t.tCoordOffset=0,t.tCoordComponents=0,t.colorComponents=0,t.colorOffset=0,t.customData=[];const s=i.points.getData();let l=null,u=null,c=null;const 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R=i.vertexOffset;f=function(e){if(a&&(a.points[R]=e,a.cells[R]=b+i.cellOffset),++R,h=3*e,t.coordShiftAndScaleEnabled?(D[I++]=(s[h++]-t.coordShift[0])*t.coordScale[0],D[I++]=(s[h++]-t.coordShift[1])*t.coordScale[1],D[I++]=(s[h++]-t.coordShift[2])*t.coordScale[2]):(D[I++]=s[h++],D[I++]=s[h++],D[I++]=s[h++]),null!==l&&(m=i.haveCellNormals?3*(b+i.cellOffset):3*e,D[I++]=l[m++],D[I++]=l[m++],D[I++]=l[m++]),t.customData.forEach((t=>{y=e*t.components;for(let e=0;e{null===e||e.constructor===Float64Array&&3===e.length?null===n||n.constructor===Float64Array&&3===n.length?(null!==t.coordShift&&null!==e&&en(e,t.coordShift)||(t.coordShift=e),null!==t.coordScale&&null!==n&&en(n,t.coordScale)||(t.coordScale=n),t.coordShiftAndScaleEnabled=function(e,t){return null!==e&&null!==t&&!(Zt(e,[0,0,0])&&Zt(t,[1,1,1]))}(t.coordShift,t.coordScale),t.coordShiftAndScaleEnabled?t.inverseShiftAndScaleMatrix=function(e,t){const n=new Float64Array(3);Xt(n,t);const r=new Float64Array(16);return 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va(e,t){t.classHierarchy.push("vtkShader"),e.compile=()=>{let e=t.context.VERTEX_SHADER;if(!t.source||!t.source.length||"Unknown"===t.shaderType)return!1;if(0!==t.handle&&(t.context.deleteShader(t.handle),t.handle=0),e="Fragment"===t.shaderType?t.context.FRAGMENT_SHADER:t.context.VERTEX_SHADER,t.handle=t.context.createShader(e),t.context.shaderSource(t.handle,t.source),t.context.compileShader(t.handle),!t.context.getShaderParameter(t.handle,t.context.COMPILE_STATUS)){const e=t.context.getShaderInfoLog(t.handle);return ga(`Error compiling shader '${t.source}': ${e}`),t.context.deleteShader(t.handle),t.handle=0,!1}return!0},e.cleanup=()=>{"Unknown"!==t.shaderType&&0!==t.handle&&(t.context.deleteShader(t.handle),t.handle=0,t.dirty=!0)}}const ya={shaderType:"Unknown",source:"",error:"",handle:0,dirty:!1,context:null};function ba(e,t){let n=arguments.length>2&&void 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No such uniform.`,!1;for(var o=arguments.length,i=new Array(o>1?o-1:0),a=1;a{const o=e.findUniform(n);return-1===o?(t.error=`Could not set uniform ${n} . No such uniform.`,!1):(t.context.uniform4fv(o,r),!0)},e.setUniform4i=function(n){const r=e.findUniform(n);if(-1===r)return t.error=`Could not set uniform ${n} . No such uniform.`,!1;for(var o=arguments.length,i=new Array(o>1?o-1:0),a=1;a{const o=e.findUniform(n);return-1===o?(t.error=`Could not set uniform ${n} . 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program.",!1):(t.context.detachShader(t.handle,e.getHandle()),t.vertexShaderHandle=0,t.linked=!1,!0);case"Fragment":return t.fragmentShaderHandle!==e.getHandle()?(t.error="The supplied shader was not attached to this program.",!1):(t.context.detachShader(t.handle,e.getHandle()),t.fragmentShaderHandle=0,t.linked=!1,!0);default:return!1}},e.setContext=e=>{t.context=e,t.vertexShader.setContext(e),t.fragmentShader.setContext(e),t.geometryShader.setContext(e)},e.setLastCameraMTime=e=>{t.lastCameraMTime=e}}const Sa={vertexShaderHandle:0,fragmentShaderHandle:0,geometryShaderHandle:0,vertexShader:null,fragmentShader:null,geometryShader:null,linked:!1,bound:!1,compiled:!1,error:"",handle:0,numberOfOutputs:0,attributesLocs:null,uniformLocs:null,md5Hash:0,context:null,lastCameraMTime:null};function wa(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Sa,n),t.attributesLocs={},t.uniformLocs={},t.vertexShader=xa.newInstance(),t.vertexShader.setShaderType("Vertex"),t.fragmentShader=xa.newInstance(),t.fragmentShader.setShaderType("Fragment"),t.geometryShader=xa.newInstance(),t.geometryShader.setShaderType("Geometry"),gt.obj(e,t),gt.get(e,t,["lastCameraMTime"]),gt.setGet(e,t,["error","handle","compiled","bound","md5Hash","vertexShader","fragmentShader","geometryShader","linked"]),Ta(e,t)}var Ca={newInstance:gt.newInstance(wa,"vtkShaderProgram"),extend:wa,substitute:function(e,t,n,r){const o="string"==typeof n?n:n.join("\n"),i=!1===r?t:new RegExp(t,"g"),a=e.replace(i,o);return{replace:a!==o,result:a}}};function Aa(e,t){t.classHierarchy.push("vtkOpenGLVertexArrayObject"),e.exposedMethod=()=>{},e.initialize=()=>{t.instancingExtension=null,t._openGLRenderWindow.getWebgl2()||(t.instancingExtension=t.context.getExtension("ANGLE_instanced_arrays")),!t.forceEmulation&&t._openGLRenderWindow&&t._openGLRenderWindow.getWebgl2()?(t.extension=null,t.supported=!0,t.handleVAO=t.context.createVertexArray()):(t.extension=t.context.getExtension("OES_vertex_array_object"),!t.forceEmulation&&t.extension?(t.supported=!0,t.handleVAO=t.extension.createVertexArrayOES()):t.supported=!1)},e.isReady=()=>0!==t.handleVAO||!1===t.supported,e.bind=()=>{if(e.isReady()||e.initialize(),e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(t.handleVAO):t.context.bindVertexArray(t.handleVAO);else if(e.isReady()){const e=t.context;for(let n=0;n0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,1):e.vertexAttribDivisor(o.index+n,1))}}}},e.release=()=>{if(e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(null):t.context.bindVertexArray(null);else if(e.isReady()){const e=t.context;for(let n=0;n0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,0):e.vertexAttribDivisor(o.index+n,0)),e.disableVertexAttribArray(o.index+n)}}}},e.shaderProgramChanged=()=>{e.release(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.handleProgram=0},e.releaseGraphicsResources=()=>{e.shaderProgramChanged(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.supported=!0,t.handleProgram=0},e.addAttributeArray=(t,n,r,o,i,a,s,l)=>e.addAttributeArrayWithDivisor(t,n,r,o,i,a,s,l,0,!1),e.addAttributeArrayWithDivisor=(n,r,o,i,a,s,l,u,c,d)=>{if(!n)return!1;if(!n.isBound()||0===r.getHandle()||r.getType()!==ta.ARRAY_BUFFER)return!1;if(0===t.handleProgram&&(t.handleProgram=n.getHandle()),e.isReady()||e.initialize(),!e.isReady()||t.handleProgram!==n.getHandle())return!1;const p=t.context,f={};if(f.name=o,f.index=p.getAttribLocation(t.handleProgram,o),f.offset=i,f.stride=a,f.type=s,f.size=l,f.normalize=u,f.isMatrix=d,f.divisor=c,-1===f.Index)return!1;if(r.bind(),p.enableVertexAttribArray(f.index),p.vertexAttribPointer(f.index,f.size,f.type,f.normalize,f.stride,f.offset),c>0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f.index,1):p.vertexAttribDivisor(f.index,1)),f.buffer=r.getHandle(),!t.supported){let e=!1;for(let n=0;n{const d=e.addAttributeArrayWithDivisor(n,r,o,i,a,s,l,u,c,!0);if(!d)return d;const p=t.context,f=p.getAttribLocation(t.handleProgram,o);for(let e=1;e0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f+e,1):p.vertexAttribDivisor(f+e,1));return!0},e.removeAttributeArray=n=>{if(!e.isReady()||0===t.handleProgram)return!1;if(!t.supported)for(let e=0;e{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))}}const Ea={forceEmulation:!1,handleVAO:0,handleProgram:0,supported:!0,buffers:null,context:null};function Da(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ea,n),t.buffers=[],gt.obj(e,t),gt.get(e,t,["supported"]),gt.setGet(e,t,["forceEmulation"]),Aa(e,t)}var Ia={newInstance:gt.newInstance(Da,"vtkOpenGLVertexArrayObject"),extend:Da};const Oa={Start:0,Points:0,Lines:1,Tris:2,TriStrips:3,TrisEdges:4,TriStripsEdges:5,End:6};function Pa(e,t){t.classHierarchy.push("vtkOpenGLHelper"),e.setOpenGLRenderWindow=e=>{t.context=e.getContext(),t.program.setContext(t.context),t.VAO.setOpenGLRenderWindow(e),t.CABO.setOpenGLRenderWindow(e)},e.releaseGraphicsResources=e=>{t.VAO.releaseGraphicsResources(),t.CABO.releaseGraphicsResources(),t.CABO.setElementCount(0)},e.drawArrays=(n,r,o,i)=>{if(t.CABO.getElementCount()){const a=e.getOpenGLMode(o),s=e.haveWideLines(n,r),l=t.context,u=l.getParameter(l.DEPTH_WRITEMASK);t.pointPicking&&l.depthMask(!1),a===l.LINES&&s?(e.updateShaders(n,r,i),l.drawArraysInstanced(a,0,t.CABO.getElementCount(),2*Math.ceil(r.getProperty().getLineWidth()))):(l.lineWidth(r.getProperty().getLineWidth()),e.updateShaders(n,r,i),l.drawArrays(a,0,t.CABO.getElementCount()),l.lineWidth(1));const c=(a===l.POINTS?1:0)||(a===l.LINES?2:3);return t.pointPicking&&l.depthMask(u),t.CABO.getElementCount()/c}return 0},e.getOpenGLMode=e=>{if(t.pointPicking)return t.context.POINTS;const n=t.primitiveType;return e===ua.POINTS||n===Oa.Points?t.context.POINTS:e===ua.WIREFRAME||n===Oa.Lines||n===Oa.TrisEdges||n===Oa.TriStripsEdges?t.context.LINES:t.context.TRIANGLES},e.haveWideLines=(e,n)=>n.getProperty().getLineWidth()>1&&!(t.CABO.getOpenGLRenderWindow()&&t.CABO.getOpenGLRenderWindow().getHardwareMaximumLineWidth()>=n.getProperty().getLineWidth()),e.getNeedToRebuildShaders=(t,n,r)=>!!(r.getNeedToRebuildShaders(e,t,n)||0===e.getProgram()||e.getShaderSourceTime().getMTime(){if(e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};o.buildShaders(i,n,r);const a=t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==e.getProgram()&&(e.setProgram(a),e.getVAO().releaseGraphicsResources()),e.getShaderSourceTime().modified()}else t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgram(e.getProgram());e.getVAO().bind(),o.setMapperShaderParameters(e,n,r),o.setPropertyShaderParameters(e,n,r),o.setCameraShaderParameters(e,n,r),o.setLightingShaderParameters(e,n,r),o.invokeShaderCallbacks(e,n,r)},e.setMapperShaderParameters=(n,r,o)=>{if(e.haveWideLines(n,r)){e.getProgram().setUniform2f("viewportSize",o.usize,o.vsize);const t=parseFloat(r.getProperty().getLineWidth()),n=t/2;e.getProgram().setUniformf("lineWidthStepSize",t/Math.ceil(t)),e.getProgram().setUniformf("halfLineWidth",n)}t.primitiveType===Oa.Points||r.getProperty().getRepresentation()===ua.POINTS?e.getProgram().setUniformf("pointSize",r.getProperty().getPointSize()):t.pointPicking&&e.getProgram().setUniformf("pointSize",e.getPointPickingPrimitiveSize())},e.replaceShaderPositionVC=(n,r,o)=>{let i=n.Vertex;i=Ca.substitute(i,"//VTK::PositionVC::Dec",["//VTK::PositionVC::Dec","uniform float 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}"]).result),n.Vertex=i},e.getPointPickingPrimitiveSize=()=>t.primitiveType===Oa.Points?2:t.primitiveType===Oa.Lines?4:6,e.getAllocatedGPUMemoryInBytes=()=>e.getCABO().getAllocatedGPUMemoryInBytes()}const Na={context:null,program:null,shaderSourceTime:null,VAO:null,attributeUpdateTime:null,CABO:null,primitiveType:0,pointPicking:!1};function Ma(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Na,n),gt.obj(e,t),t.shaderSourceTime={},gt.obj(t.shaderSourceTime),t.attributeUpdateTime={},gt.obj(t.attributeUpdateTime),gt.setGet(e,t,["program","shaderSourceTime","VAO","attributeUpdateTime","CABO","primitiveType","pointPicking"]),t.program=Ca.newInstance(),t.VAO=Ia.newInstance(),t.CABO=ma.newInstance(),Pa(e,t)}var Ra={newInstance:gt.newInstance(Ma),extend:Ma,primTypes:Oa};const Fa=e=>e,ka=1e-6;class La{constructor(){let e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this.matrix=f(new Float64Array(16)),this.tmp=new 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Ka(e,t){t.classHierarchy.push("vtkImageDataOutlineFilter");const n={...e};e.requestData=(e,n)=>{const r=e[0];if(!r||!r.isA("vtkImageData"))return void Xa("Invalid or missing input");const o=r.getSpatialExtent();o?(t._cubeSource.setBounds(o),t._cubeSource.setMatrix(r.getIndexToWorld()),n[0]=t._cubeSource.getOutputData()):Xa("Unable to fetch spatial extents of input image.")},e.getMTime=()=>Math.max(n.getMTime(),t._cubeSource.getMTime()),e.setGenerateFaces=t._cubeSource.setGenerateFaces,e.setGenerateLines=t._cubeSource.setGenerateLines,e.getGenerateFaces=t._cubeSource.getGenerateFaces,e.getGenerateLines=t._cubeSource.getGenerateLines}const qa={};function $a(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,qa,n),gt.obj(e,t),gt.algo(e,t,1,1),t._cubeSource=Ha.newInstance(),gt.moveToProtected(e,t,["cubeSource","tmpOut"]),Ka(e,t)}var Ya={newInstance:gt.newInstance($a,"vtkImageDataOutlineFilter"),extend:$a};const Ja={CLAMP_TO_EDGE:0,REPEAT:1,MIRRORED_REPEAT:2},Qa={NEAREST:0,LINEAR:1,NEAREST_MIPMAP_NEAREST:2,NEAREST_MIPMAP_LINEAR:3,LINEAR_MIPMAP_NEAREST:4,LINEAR_MIPMAP_LINEAR:5};var Za={Wrap:Ja,Filter:Qa};const es=new Float32Array(1),ts=new Int32Array(es.buffer);var ns={fromHalf:function(e){const t=(32768&e)>>15,n=(31744&e)>>10,r=1023&e;return 0===n?(t?-1:1)*2**-14*(r/1024):31===n?r?NaN:1/0*(t?-1:1):(t?-1:1)*2**(n-15)*(1+r/1024)},toHalf:function(e){es[0]=e;const t=ts[0];let n=t>>16&32768,r=t>>12&2047;const o=t>>23&255;return o<103?n:o>142?(n|=31744,n|=(255===o?0:1)&&8388607&t,n):o<113?(r|=2048,n|=(r>>114-o)+(r>>113-o&1),n):(n|=o-112<<10|r>>1,n+=1&r,n)}};const{Wrap:rs,Filter:os}=Za,{VtkDataTypes:is}=Wr,{vtkDebugMacro:as,vtkErrorMacro:ss,vtkWarningMacro:ls}=vt,{toHalf:us}=ns;function cs(e,t){function n(e,n){let r=arguments.length>2&&void 0!==arguments[2]&&arguments[2];const o=[];let i=t.width*t.height*t.components;if(r&&(i*=t.depth),e!==is.FLOAT&&t.openGLDataType===t.context.FLOAT)for(let 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e=!1;if(t.context&&t.handle){let n=0;t.target===t.context.TEXTURE_2D?n=t.context.TEXTURE_BINDING_2D:ls("impossible case"),e=t.context.getIntegerv(n)===t.handle}return e},e.sendParameters=()=>{t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_S,e.getOpenGLWrapMode(t.wrapS)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_T,e.getOpenGLWrapMode(t.wrapT)),t._openGLRenderWindow.getWebgl2()&&t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_R,e.getOpenGLWrapMode(t.wrapR)),t.context.texParameteri(t.target,t.context.TEXTURE_MIN_FILTER,e.getOpenGLFilterMode(t.minificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_MAG_FILTER,e.getOpenGLFilterMode(t.magnificationFilter)),t._openGLRenderWindow.getWebgl2()&&(t.context.texParameteri(t.target,t.context.TEXTURE_BASE_LEVEL,t.baseLevel),t.context.texParameteri(t.target,t.context.TEXTURE_MAX_LEVEL,t.maxLevel)),t.sendParametersTime.modified()},e.getInternalFormat=(n,r)=>(t._forceInternalFormat||(t.internalFormat=e.getDefaultInternalFormat(n,r)),t.internalFormat||as(`Unable to find suitable internal format for T=${n} NC= ${r}`),t.internalFormat),e.getDefaultInternalFormat=(e,n)=>{let r=0;return r=t._openGLRenderWindow.getDefaultTextureInternalFormat(e,n,t.oglNorm16Ext,t.useHalfFloat),r||(r||(as("Unsupported internal texture type!"),as(`Unable to find suitable internal format for T=${e} NC= ${n}`)),r)},e.setInternalFormat=n=>{t._forceInternalFormat=!0,n!==t.internalFormat&&(t.internalFormat=n,e.modified())},e.getFormat=(n,r)=>(t.format=e.getDefaultFormat(n,r),t.format),e.getDefaultFormat=(e,n)=>{if(t._openGLRenderWindow.getWebgl2())switch(n){case 1:return t.context.RED;case 2:return t.context.RG;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}else switch(n){case 1:return t.context.LUMINANCE;case 2:return t.context.LUMINANCE_ALPHA;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}},e.resetFormatAndType=()=>{t.format=0,t.internalFormat=0,t._forceInternalFormat=!1,t.openGLDataType=0},e.getDefaultDataType=e=>{if(t._openGLRenderWindow.getWebgl2())switch(e){case is.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case t.oglNorm16Ext&&!t.useHalfFloat&&is.SHORT:return t.context.SHORT;case t.oglNorm16Ext&&!t.useHalfFloat&&is.UNSIGNED_SHORT:return t.context.UNSIGNED_SHORT;case t.useHalfFloat&&is.SHORT:case t.useHalfFloat&&is.UNSIGNED_SHORT:return t.context.HALF_FLOAT;case is.FLOAT:case is.VOID:default:return t.context.FLOAT}switch(e){case is.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case is.FLOAT:case is.VOID:default:if(t.context.getExtension("OES_texture_float")&&t.context.getExtension("OES_texture_float_linear"))return t.context.FLOAT;{const e=t.context.getExtension("OES_texture_half_float");if(e&&t.context.getExtension("OES_texture_half_float_linear"))return e.HALF_FLOAT_OES}return t.context.UNSIGNED_BYTE}},e.getOpenGLDataType=function(n){let r=arguments.length>1&&void 0!==arguments[1]&&arguments[1];return t.openGLDataType&&!r||(t.openGLDataType=e.getDefaultDataType(n)),t.openGLDataType},e.getShiftAndScale=()=>{let e=0,n=1;switch(t.openGLDataType){case t.context.BYTE:n=127.5,e=n-128;break;case t.context.UNSIGNED_BYTE:n=255,e=0;break;case t.context.SHORT:n=32767.5,e=n-32768;break;case t.context.UNSIGNED_SHORT:n=65536,e=0;break;case t.context.INT:n=2147483647.5,e=n-2147483648;break;case t.context.UNSIGNED_INT:n=4294967295,e=0;case t.context.FLOAT:}return{shift:e,scale:n}},e.getOpenGLFilterMode=e=>{switch(e){case os.NEAREST:return t.context.NEAREST;case os.LINEAR:return t.context.LINEAR;case os.NEAREST_MIPMAP_NEAREST:return t.context.NEAREST_MIPMAP_NEAREST;case os.NEAREST_MIPMAP_LINEAR:return t.context.NEAREST_MIPMAP_LINEAR;case os.LINEAR_MIPMAP_NEAREST:return t.context.LINEAR_MIPMAP_NEAREST;case os.LINEAR_MIPMAP_LINEAR:return t.context.LINEAR_MIPMAP_LINEAR;default:return t.context.NEAREST}},e.getOpenGLWrapMode=e=>{switch(e){case rs.CLAMP_TO_EDGE:return t.context.CLAMP_TO_EDGE;case rs.REPEAT:return t.context.REPEAT;case rs.MIRRORED_REPEAT:return t.context.MIRRORED_REPEAT;default:return t.context.CLAMP_TO_EDGE}},e.create2DFromRaw=function(i,a,s,l,u){let c=arguments.length>5&&void 0!==arguments[5]&&arguments[5];if(e.getOpenGLDataType(l,!0),e.getInternalFormat(l,s),e.getFormat(l,s),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=s,t.width=i,t.height=a,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=[u],p=n(l,d),f=r(p);return t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,c),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(l)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=f[0]&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,f[0])):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,f[0]),t.generateMipmap&&t.context.generateMipmap(t.target),c&&t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,!1),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*s*t._openGLRenderWindow.getDefaultTextureByteSize(l,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.createCubeFromRaw=(i,a,s,l,u)=>{if(e.getOpenGLDataType(l),e.getInternalFormat(l,s),e.getFormat(l,s),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_CUBE_MAP,t.components=s,t.width=i,t.height=a,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),t.maxLevel=u.length/6-1,e.createTexture(),e.bind();const c=r(n(l,u)),d=[];let p=t.width,f=t.height;for(let e=0;e=1&&i>=1;){let a=null;n<=t.maxLevel&&(a=d[6*n+e]),o(l)?null!=a&&t.context.texSubImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,0,0,r,i,t.format,t.openGLDataType,a):t.context.texImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,t.internalFormat,r,i,0,t.format,t.openGLDataType,a),n++,r/=2,i/=2}}return t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*s*t._openGLRenderWindow.getDefaultTextureByteSize(l,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.createDepthFromRaw=(n,r,i,a)=>(e.getOpenGLDataType(i),t.format=t.context.DEPTH_COMPONENT,t._openGLRenderWindow.getWebgl2()?i===is.FLOAT?t.internalFormat=t.context.DEPTH_COMPONENT32F:t.internalFormat=t.context.DEPTH_COMPONENT16:t.internalFormat=t.context.DEPTH_COMPONENT,t.internalFormat&&t.format&&t.openGLDataType?(t.target=t.context.TEXTURE_2D,t.components=1,t.width=n,t.height=r,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(i)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=a&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,a)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,a),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(i,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0):(ss("Failed to determine texture parameters."),!1)),e.create2DFromImage=n=>{if(e.getOpenGLDataType(is.UNSIGNED_CHAR),e.getInternalFormat(is.UNSIGNED_CHAR,4),e.getFormat(is.UNSIGNED_CHAR,4),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=4,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1);const r=!(t._openGLRenderWindow.getWebgl2()||On(n.width)&&On(n.height)),i=document.createElement("canvas");i.width=r?In(n.width):n.width,i.height=r?In(n.height):n.height,t.width=i.width,t.height=i.height;const a=i.getContext("2d");a.translate(0,i.height),a.scale(1,-1),a.drawImage(n,0,0,n.width,n.height,0,0,i.width,i.height);const s=i;return o(is.UNSIGNED_CHAR)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=s&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,s)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,s),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(is.UNSIGNED_CHAR,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.create2DFilterableFromRaw=function(t,n,r,o,i){let a=arguments.length>5&&void 0!==arguments[5]&&arguments[5];return e.create2DFilterableFromDataArray(t,n,Wr.newInstance({numberOfComponents:r,dataType:o,values:i}),a)},e.create2DFilterableFromDataArray=function(t,n,r){let o=arguments.length>3&&void 0!==arguments[3]&&arguments[3];const{numComps:a,dataType:s,data:l}=i(r,o);e.create2DFromRaw(t,n,a,s,l)},e.create3DFromRaw=(i,a,s,l,u,c)=>{if(e.getOpenGLDataType(u),e.getInternalFormat(u,l),e.getFormat(u,l),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_3D,t.components=l,t.width=i,t.height=a,t.depth=s,t.numberOfDimensions=3,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=r(n(u,[c],!0));return 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I=Math.floor(n/x),O=Math.floor(r/_);for(let e=0;e{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.getMaximumTextureSize=e=>e&&e.isCurrent()?e.getIntegerv(e.MAX_TEXTURE_SIZE):-1}const ds={_openGLRenderWindow:null,_forceInternalFormat:!1,context:null,handle:0,sendParametersTime:null,textureBuildTime:null,numberOfDimensions:0,target:0,format:0,openGLDataType:0,components:0,width:0,height:0,depth:0,autoParameters:!0,wrapS:rs.CLAMP_TO_EDGE,wrapT:rs.CLAMP_TO_EDGE,wrapR:rs.CLAMP_TO_EDGE,minificationFilter:os.NEAREST,magnificationFilter:os.NEAREST,minLOD:-1e3,maxLOD:1e3,baseLevel:0,maxLevel:1e3,generateMipmap:!1,useHalfFloat:!0,oglNorm16Ext:null,allocatedGPUMemoryInBytes:0};function ps(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ds,n),Tt.extend(e,t,n),t.sendParametersTime={},je(t.sendParametersTime,{mtime:0}),t.textureBuildTime={},je(t.textureBuildTime,{mtime:0}),qe(e,t,["format","openGLDataType"]),$e(e,t,["keyMatrixTime","minificationFilter","magnificationFilter","wrapS","wrapT","wrapR","generateMipmap","oglNorm16Ext"]),He(e,t,["width","height","volumeInfo","components","handle","target","allocatedGPUMemoryInBytes"]),Ze(0,t,["openGLRenderWindow"]),cs(e,t)}const fs=rt(ps,"vtkOpenGLTexture");var hs={newInstance:fs,extend:ps,...Za};Dt("vtkTexture",fs);var ms=function(e,t){e.replaceShaderCoincidentOffset=(n,r,o)=>{const i=e.getCoincidentParameters(r,o);if(i&&(0!==i.factor||0!==i.offset)){let e=n.Fragment;e=Ca.substitute(e,"//VTK::Coincident::Dec",["uniform float cfactor;","uniform float coffset;"]).result,t.context.getExtension("EXT_frag_depth")&&(0!==i.factor?(e=Ca.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + 0.000016*coffset;").result),t._openGLRenderWindow.getWebgl2()&&(0!==i.factor?(e=Ca.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + 0.000016*coffset;").result),n.Fragment=e}}},gs=function(e,t){e.applyShaderReplacements=(e,t,n)=>{let r=null;if(t&&(r=t.ShaderReplacements),r)for(let t=0;t{e.getReplacedShaderTemplate(n,r,o),t.lastRenderPassShaderReplacement=t.currentRenderPass?t.currentRenderPass.getShaderReplacement():null,t.lastRenderPassShaderReplacement&&t.lastRenderPassShaderReplacement(n);const i=t.renderable.getViewSpecificProperties().OpenGL;e.applyShaderReplacements(n,i,!0),e.replaceShaderValues(n,r,o),e.applyShaderReplacements(n,i)},e.getReplacedShaderTemplate=(n,r,o)=>{const i=t.renderable.getViewSpecificProperties().OpenGL;e.getShaderTemplate(n,r,o);let a=n.Vertex;if(i){const e=i.VertexShaderCode;void 0!==e&&""!==e&&(a=e)}n.Vertex=a;let s=n.Fragment;if(i){const e=i.FragmentShaderCode;void 0!==e&&""!==e&&(s=e)}n.Fragment=s;let l=n.Geometry;if(i){const e=i.GeometryShaderCode;void 0!==e&&(l=e)}n.Geometry=l}};let vs;function ys(e,t){t.classHierarchy.push("vtkAbstractTransform","vtkHomogeneousTransform","vtkTransform"),e.transformPoint=(e,n)=>(Yt(n,e,t.matrix),n),e.transformPoints=(e,n)=>{const r=new Float64Array(3),o=new Float64Array(3);for(let i=0;i{e.setPreMultiplyFlag(!0)},e.postMultiply=()=>{e.setPreMultiplyFlag(!1)},e.transformMatrix=(e,n)=>(t.preMultiplyFlag?y(n,t.matrix,e):y(n,e,t.matrix),n),e.transformMatrices=(e,n)=>{const r=new Float64Array(16),o=new Float64Array(16),i=t.preMultiplyFlag?()=>y(o,t.matrix,r):()=>y(o,r,t.matrix);for(let t=0;tvs({matrix:Pr.invertMatrix(Array.from(t.matrix),[],4),preMultiplyFlag:t.preMultiplyFlag})}const bs={preMultiplyFlag:!1,matrix:[...un]};function xs(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,bs,n),gt.obj(e,t),gt.setGet(e,t,["preMultiplyFlag"]),gt.setGetArray(e,t,["matrix"],16),ys(e,t)}vs=gt.newInstance(xs,"vtkTransform");var _s={newInstance:vs,extend:xs};const Ts=0,{vtkErrorMacro:Ss}=vt;function ws(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function Cs(e,t,n){return t.identity(n),e.reduce(((e,n,r)=>0===r?n?t.copy(e,n):t.identity(e):n?t.multiply(e,e,n):e),n)}function As(e,t){t.classHierarchy.push("vtkOpenGLImageResliceMapper"),e.buildPass=n=>{if(n){t.currentRenderPass=null,t._openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const n=t._openGLRenderer.getRenderable();t._openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera()),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow)}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t._openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getInputData(),t.currentInput?(e.updateResliceGeometry(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r),e.invokeEvent({type:"EndEvent"})):Ss("No input!")},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),r.getProperty().getInterpolationType()===Ts?(t.openGLTexture.setMinificationFilter(Qa.NEAREST),t.openGLTexture.setMagnificationFilter(Qa.NEAREST),t.colorTexture.setMinificationFilter(Qa.NEAREST),t.colorTexture.setMagnificationFilter(Qa.NEAREST),t.pwfTexture.setMinificationFilter(Qa.NEAREST),t.pwfTexture.setMagnificationFilter(Qa.NEAREST)):(t.openGLTexture.setMinificationFilter(Qa.LINEAR),t.openGLTexture.setMagnificationFilter(Qa.LINEAR),t.colorTexture.setMinificationFilter(Qa.LINEAR),t.colorTexture.setMagnificationFilter(Qa.LINEAR),t.pwfTexture.setMinificationFilter(Qa.LINEAR),t.pwfTexture.setMagnificationFilter(Qa.LINEAR)),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const r=t.currentInput;if(!r)return;const o=r.getPointData()?.getScalars();if(!o)return;t._scalars!==o&&(t._openGLRenderWindow.releaseGraphicsResourcesForObject(t._scalars),t._scalars=o);const i=o.getNumberOfComponents();let a=`${r.getMTime()}A${o.getMTime()}`;const s=t._openGLRenderWindow.getGraphicsResourceForObject(o);if(s?.vtkObj&&s?.hash===a&&t.openGLTextureString===a)t.openGLTexture=s.vtkObj,t.openGLTextureString=s.hash;else{t.openGLTexture||(t.openGLTexture=hs.newInstance(),t.openGLTexture.setOpenGLRenderWindow(t._openGLRenderWindow));const e=r.getDimensions();t.openGLTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.openGLTexture.releaseGraphicsResources(t._openGLRenderWindow),t.openGLTexture.resetFormatAndType(),t.openGLTexture.create3DFilterableFromDataArray(e[0],e[1],e[2],o),t.openGLTextureString=a,o&&t._openGLRenderWindow.setGraphicsResourceForObject(o,t.openGLTexture,t.openGLTextureString)}const l=n.getProperty(),u=l.getIndependentComponents(),c=u?i:1,d=u?2*c:1,p=l.getRGBTransferFunction();a=ws(l,p,c);const f=t._openGLRenderWindow.getGraphicsResourceForObject(p);if(f?.vtkObj&&f?.hash===a&&t.colorTextureString===a)t.colorTexture=f.vtkObj,t.colorTextureString=f.hash;else{const e=1024,n=new Uint8Array(e*d*3);if(t.colorTexture||(t.colorTexture=hs.newInstance(),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow)),p){const r=new Float32Array(3*e);for(let t=0;t0){const e=t.resliceGeom.getPointData().getNormals();e?r.normals=e:Ss("Slab mode requested without normals")}t.tris.getCABO().createVBO(n,"polys",ua.SURFACE,r)}t.VBOBuildString=g,t.VBOBuildTime.modified()},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const i=n.getProgram();if(n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())){i.isUniformUsed("texture1")&&i.setUniformi("texture1",t.openGLTexture.getTextureUnit()),i.isAttributeUsed("vertexWC")&&(n.getVAO().addAttributeArray(i,n.getCABO(),"vertexWC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ss("Error setting vertexWC in shader VAO.")),i.isAttributeUsed("normalWC")&&(n.getVAO().addAttributeArray(i,n.getCABO(),"normalWC",n.getCABO().getNormalOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ss("Error setting normalWC in shader VAO.")),i.isUniformUsed("slabThickness")&&i.setUniformf("slabThickness",t.renderable.getSlabThickness()),i.isUniformUsed("spacing")&&i.setUniform3fv("spacing",t.currentInput.getSpacing()),i.isUniformUsed("slabType")&&i.setUniformi("slabType",t.renderable.getSlabType()),i.isUniformUsed("slabType")&&i.setUniformi("slabType",t.renderable.getSlabType()),i.isUniformUsed("slabTrapezoid")&&i.setUniformi("slabTrapezoid",t.renderable.getSlabTrapezoidIntegration());const e=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null;if(i.isUniformUsed("WCTCMatrix")){const n=t.currentInput,r=n.getDimensions();c(t.tmpMat4,n.getIndexToWorld()),x(t.tmpMat4,t.tmpMat4,r),m(t.tmpMat4,t.tmpMat4),e&&y(t.tmpMat4,t.tmpMat4,e),i.setUniformMatrix("WCTCMatrix",t.tmpMat4)}i.isUniformUsed("vboScaling")&&i.setUniform3fv("vboScaling",n.getCABO().getCoordScale()),n.getAttributeUpdateTime().modified()}if(t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),n.getProgram().isUniformUsed("coffset")){const t=e.getCoincidentParameters(r,o);n.getProgram().setUniformf("coffset",t.offset),n.getProgram().isUniformUsed("cfactor")&&n.getProgram().setUniformf("cfactor",t.factor)}},e.setCameraShaderParameters=(e,n,o)=>{const i=t._openGLCamera.getKeyMatrices(n),a=t._openGLImageSlice.getKeyMatrices(),s=e.getCABO().getCoordShiftAndScaleEnabled()?e.getCABO().getInverseShiftAndScaleMatrix():null,l=e.getProgram();l.isUniformUsed("MCPCMatrix")&&(f(t.tmpMat4),l.setUniformMatrix("MCPCMatrix",Cs([i.wcpc,a.mcwc,s],r,t.tmpMat4))),l.isUniformUsed("MCVCMatrix")&&(f(t.tmpMat4),l.setUniformMatrix("MCVCMatrix",Cs([i.wcvc,a.mcwc,s],r,t.tmpMat4)))},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),i=r.getProperty(),a=i.getOpacity();o.setUniformf("opacity",a);const s=t.openGLTexture.getComponents(),l=i.getIndependentComponents();if(l)for(let e=0;e{const o=t.openGLTexture.getComponents(),i=r.getProperty().getIndependentComponents(),a=t.renderable.getSlabThickness(),s=t.renderable.getSlabType(),l=t.renderable.getSlabTrapezoidIntegration();let u=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(u=!0),!(!u&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&0!==e.getProgram()?.getHandle()&&t.lastTextureComponents===o&&t.lastIndependentComponents===i&&t.lastSlabThickness===a&&t.lastSlabType===s&&t.lastSlabTrapezoidIntegration===l||(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=i,t.lastSlabThickness=a,t.lastSlabType=s,t.lastSlabTrapezoidIntegration=l,0))},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkImageResliceMapperVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\n// all variables that represent positions or directions have a suffix\n// indicating the coordinate system they are in. The possible values are\n// MC - Model coordinates\n// WC - World coordinates\n// VC - View coordinates\n// DC - Display coordinates\n// TC - Texture coordinates\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\nvoid main()\n{\n //VTK::PositionVC::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Picking::Impl\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkImageResliceMapperFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the gpu image mapper fragment shader\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n // VC position of this fragment. This should not branch/return/discard.\n //VTK::PositionVC::Impl\n\n // Place any calls that require uniform flow (e.g. dFdx) here.\n //VTK::UniformFlow::Impl\n\n // Set gl_FragDepth here (gl_FragCoord.z by default)\n //VTK::Depth::Impl\n\n // Early depth peeling abort:\n //VTK::DepthPeeling::PreColor\n\n //VTK::TCoord::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n\n //VTK::DepthPeeling::Impl\n\n //VTK::Picking::Impl\n\n // handle coincident offsets\n //VTK::Coincident::Impl\n\n //VTK::ZBuffer::Impl\n\n //VTK::RenderPassFragmentShader::Impl\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{if(e.replaceShaderTCoord(n,r,o),e.replaceShaderPositionVC(n,r,o),t.haveSeenDepthRequest){let e=n.Fragment;e=Ca.substitute(e,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,e=Ca.substitute(e,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result,n.Fragment=e}e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderTCoord=(e,n,r)=>{let o=e.Vertex;const i=e.Geometry;let a=e.Fragment;const s=t.renderable.getSlabThickness();o=Ca.substitute(o,"//VTK::TCoord::Dec",["uniform mat4 WCTCMatrix;","out vec3 fragTexCoord;"]).result,o=Ca.substitute(o,"//VTK::TCoord::Impl",["fragTexCoord = (WCTCMatrix * vertexWC).xyz;"]).result;const l=t.openGLTexture.getComponents(),u=r.getProperty().getIndependentComponents();let c=["in vec3 fragTexCoord;","uniform highp sampler3D texture1;","uniform mat4 WCTCMatrix;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;"];if(u){for(let e=1;e0&&(c=c.concat(["uniform vec3 spacing;","uniform float slabThickness;","uniform int slabType;","uniform int slabTrapezoid;","uniform vec3 vboScaling;"]),c=c.concat(["vec4 compositeValue(vec4 currVal, vec4 valToComp, int trapezoid)","{"," vec4 retVal = vec4(1.0);"," if (slabType == 0) // min"," {"," retVal = min(currVal, valToComp);"," }"," else if (slabType == 1) // max"," {"," retVal = max(currVal, valToComp);"," }"," else if (slabType == 3) // sum"," {"," retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); "," }"," else // mean"," {"," retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); "," }"," return retVal;","}"])),a=Ca.substitute(a,"//VTK::TCoord::Dec",c).result;let d=["if (any(greaterThan(fragTexCoord, vec3(1.0))) || any(lessThan(fragTexCoord, vec3(0.0))))","{"," // set the background color and exit"," gl_FragData[0] = backgroundColor;"," return;","}","vec4 tvalue = texture(texture1, fragTexCoord);"];if(s>0&&(d=d.concat(["// Get the first and last samples","int numSlices = 1;","float scaling = min(min(spacing.x, spacing.y), spacing.z) * 0.5;","vec3 normalxspacing = scaling * normalWCVSOutput;","float distTraveled = length(normalxspacing);","int trapezoid = 0;","while (distTraveled < slabThickness * 0.5)","{"," distTraveled += length(normalxspacing);"," float fnumSlices = float(numSlices);"," if (distTraveled > slabThickness * 0.5)"," {"," // Before stepping outside the slab, sample at the boundaries"," normalxspacing = normalWCVSOutput * slabThickness * 0.5 / fnumSlices;"," trapezoid = slabTrapezoid;"," }"," vec3 fragTCoordNeg = (WCTCMatrix * vec4(vertexWCVSOutput.xyz - fnumSlices * normalxspacing * vboScaling, 1.0)).xyz;"," if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))"," {"," vec4 newVal = texture(texture1, fragTCoordNeg);"," tvalue = compositeValue(tvalue, newVal, trapezoid);"," numSlices += 1;"," }"," vec3 fragTCoordPos = (WCTCMatrix * vec4(vertexWCVSOutput.xyz + fnumSlices * normalxspacing * vboScaling, 1.0)).xyz;"," if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))"," {"," vec4 newVal = texture(texture1, fragTCoordPos);"," tvalue = compositeValue(tvalue, newVal, trapezoid);"," numSlices += 1;"," }","}","// Finally, if slab type is *mean*, divide the sum by the numSlices","if (slabType == 2)","{"," tvalue = tvalue / float(numSlices);","}"])),u){const e=["r","g","b","a"];for(let t=0;t{let i=n.Vertex;const a=n.Geometry;let s=n.Fragment;const l=t.renderable.getSlabThickness();let u=["attribute vec4 vertexWC;"];u=u.concat([`//${e.getMTime()}${t.resliceGeomUpdateString}`]),l>0&&(u=u.concat(["attribute vec3 normalWC;","varying vec3 normalWCVSOutput;","varying vec4 vertexWCVSOutput;"])),i=Ca.substitute(i,"//VTK::PositionVC::Dec",u).result;let c=["gl_Position = MCPCMatrix * vertexWC;"];l>0&&(c=c.concat(["normalWCVSOutput = normalWC;","vertexWCVSOutput = vertexWC;"])),i=Ca.substitute(i,"//VTK::PositionVC::Impl",c).result,i=Ca.substitute(i,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;","uniform mat4 MCVCMatrix;"]).result;let d=[];l>0&&(d=d.concat(["varying vec3 normalWCVSOutput;","varying vec4 vertexWCVSOutput;"])),s=Ca.substitute(s,"//VTK::PositionVC::Dec",d).result,n.Vertex=i,n.Geometry=a,n.Fragment=s},e.updateResliceGeometry=()=>{let e="";const n=t.currentInput,r=n?.getBounds();let o=!0,a=2;const s=t.renderable.getSlicePolyData(),l=t.renderable.getSlicePlane();if(s)e=e.concat(`PolyData${s.getMTime()}`);else if(l){e=e.concat(`Plane${l.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`));const t=function(e,t,n,r,o,a,s,l,u){var c=new i(9);return c[0]=e,c[1]=void 0,c[2]=void 0,c[3]=void 0,c[4]=void 0,c[5]=void 0,c[6]=void 0,c[7]=void 0,c[8]=void 0,c}(n?.getDirection());se(t,t);const r=[...l.getNormal()];Jt(r,r,t),[o,a]=function(e){Pr.normalize(e);const t=[0,0,0];for(let n=0;n<3;++n){Qt(t),t[n]=1;const r=Pr.dot(e,t);if(r<-.999||r>.999)return[!0,n]}return[!1,2]}(r)}else{const o=Ii.newInstance();o.setNormal(0,0,1);let i=[0,1,0,1,0,1];n&&(i=r),o.setOrigin(i[0],i[2],.5*(i[5]+i[4])),t.renderable.setSlicePlane(o),e=e.concat(`Plane${l?.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`))}if(!t.resliceGeom||t.resliceGeomUpdateString!==e){if(s)t.resliceGeom||(t.resliceGeom=ji.newInstance()),t.resliceGeom.getPoints().setData(s.getPoints().getData(),3),t.resliceGeom.getPolys().setData(s.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(s.getPointData().getNormals());else if(l)if(o){const e=new Float32Array(12),r=n.worldToIndex(l.getOrigin(),[0,0,0]),o=[(a+1)%3,(a+2)%3].sort(),i=n.getDimensions(),s=[0,i[0]-1,0,i[1]-1,0,i[2]-1];let u=0;for(let t=0;t<2;++t)for(let n=0;n<2;++n)e[u+a]=r[a],e[u+o[0]]=s[2*o[0]+n],e[u+o[1]]=s[2*o[1]+t],u+=3;t.transform.setMatrix(n.getIndexToWorld()),t.transform.transformPoints(e,e);const c=new Uint16Array(8);c[0]=3,c[1]=0,c[2]=1,c[3]=3,c[4]=3,c[5]=0,c[6]=3,c[7]=2;const d=l.getNormal();Pr.normalize(d);const p=new Float32Array(12);for(let e=0;e<4;++e)p[3*e]=d[0],p[3*e+1]=d[1],p[3*e+2]=d[2];t.resliceGeom||(t.resliceGeom=ji.newInstance()),t.resliceGeom.getPoints().setData(e,3),t.resliceGeom.getPolys().setData(c,1);const f=Wr.newInstance({numberOfComponents:3,values:p,name:"Normals"});t.resliceGeom.getPointData().setNormals(f)}else{t.outlineFilter.setInputData(n),t.cutter.setInputConnection(t.outlineFilter.getOutputPort()),t.cutter.setCutFunction(l),t.lineToSurfaceFilter.setInputConnection(t.cutter.getOutputPort()),t.lineToSurfaceFilter.update(),t.resliceGeom||(t.resliceGeom=ji.newInstance());const e=t.lineToSurfaceFilter.getOutputData();t.resliceGeom.getPoints().setData(e.getPoints().getData(),3),t.resliceGeom.getPolys().setData(e.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(e.getPointData().getNormals());const r=l.getNormal(),o=t.resliceGeom.getNumberOfPoints();Pr.normalize(r);const i=new Float32Array(3*o);for(let e=0;e{e&&(t.openGLTexture=e,t._externalOpenGLTexture=!0)}}const Es={VBOBuildTime:{},VBOBuildString:null,haveSeenDepthRequest:!1,lastHaveSeenDepthRequest:!1,lastIndependentComponents:!1,lastTextureComponents:0,lastSlabThickness:0,lastSlabTrapezoidIntegration:0,lastSlabType:-1,openGLTexture:null,openGLTextureString:null,colorTextureString:null,pwfTextureString:null,resliceGeom:null,resliceGeomUpdateString:null,tris:null,colorTexture:null,pwfTexture:null,_externalOpenGLTexture:!1,_scalars:null};const Ds=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Es,n),Tt.extend(e,t,n),ms(e,t,n),gs(e,t,n),t.tris=Ra.newInstance(),t.openGLTexture=null,t.colorTexture=null,t.pwfTexture=null,t.VBOBuildTime={},je(t.VBOBuildTime),t.tmpMat4=f(new Float64Array(16)),t.outlineFilter=Ya.newInstance(),t.outlineFilter.setGenerateFaces(!0),t.outlineFilter.setGenerateLines(!1),t.cubePolyData=ji.newInstance(),t.cutter=ea.newInstance(),t.lineToSurfaceFilter=$i.newInstance(),t.transform=_s.newInstance(),He(e,t,["openGLTexture"]),As(e,t)}),"vtkOpenGLImageResliceMapper");Dt("vtkImageResliceMapper",Ds);var Is={SlicingMode:{NONE:-1,I:0,J:1,K:2,X:3,Y:4,Z:5}},Os="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexMC;\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// optional normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// material property values\n//VTK::Color::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// picking support\n//VTK::Picking::Dec\n\nvoid main()\n{\n //VTK::Color::Impl\n\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Clip::Impl\n\n //VTK::PrimID::Impl\n\n //VTK::PositionVC::Impl\n\n //VTK::Light::Impl\n\n //VTK::Picking::Impl\n}\n",Ps="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the polydata mappers fragment shader\n\nuniform int PrimitiveIDOffset;\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// optional color passed in from the vertex shader, vertexColor\n//VTK::Color::Dec\n\n// optional surface normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// Depth Peeling Support\n//VTK::DepthPeeling::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// label outline \n//VTK::LabelOutline::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n//VTK::LabelOutlineHelperFunction\n\nvoid main()\n{\n // VC position of this fragment. This should not branch/return/discard.\n //VTK::PositionVC::Impl\n\n // Place any calls that require uniform flow (e.g. dFdx) here.\n //VTK::UniformFlow::Impl\n\n // Set gl_FragDepth here (gl_FragCoord.z by default)\n //VTK::Depth::Impl\n\n // Early depth peeling abort:\n //VTK::DepthPeeling::PreColor\n\n // Apple Bug\n //VTK::PrimID::Impl\n\n //VTK::Clip::Impl\n\n //VTK::Color::Impl\n\n // Generate the normal if we are not passed in one\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Light::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n\n //VTK::DepthPeeling::Impl\n\n //VTK::Picking::Impl\n\n // handle coincident offsets\n //VTK::Coincident::Impl\n\n //VTK::ZBuffer::Impl\n\n //VTK::RenderPassFragmentShader::Impl\n}\n";const{vtkErrorMacro:Ns}=vt,{SlicingMode:Ms}=Is;function Rs(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function Fs(e){const t=e.split("\n"),n=[];for(let e=0;e0&&n.push(r)}return n}function ks(e,t){t.classHierarchy.push("vtkOpenGLImageMapper"),e.buildPass=n=>{if(n){t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow);const n=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera()),t.renderable.isA("vtkImageMapper")&&t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(n.getActiveCamera())}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.getShaderTemplate=(e,t,n)=>{e.Vertex=Os,e.Fragment=Ps,e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let i=n.Vertex,a=n.Fragment;i=Ca.substitute(i,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,i=Ca.substitute(i,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result,i=Ca.substitute(i,"//VTK::TCoord::Impl","tcoordVCVSOutput = tcoordMC;").result,i=Ca.substitute(i,"//VTK::TCoord::Dec","attribute vec2 tcoordMC; varying vec2 tcoordVCVSOutput;").result;const s=t.openGLTexture.getComponents(),l=o.getProperty().getIndependentComponents();let u=["varying vec2 tcoordVCVSOutput;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D texture1;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform sampler2D labelOutlineTexture1;","uniform float opacity;","uniform float outlineOpacity;"];if(l){for(let e=1;e 0.01) {\n for (int i = -actualThickness; i <= actualThickness; i++) {\n for (int j = -actualThickness; j <= actualThickness; j++) {\n if (i == 0 || j == 0) {\n continue;\n }\n vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n gl_FragCoord.y + float(j),\n gl_FragCoord.z, gl_FragCoord.w);\n vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n float value = texture2D(texture1, neighborPosIS.xy).r;\n if (value != centerValue) {\n pixelOnBorder = true;\n break;\n }\n }\n if (pixelOnBorder == true) {\n break;\n }\n }\n if (pixelOnBorder == true) {\n gl_FragData[0] = vec4(tColor, outlineOpacity);\n }\n else {\n gl_FragData[0] = vec4(tColor, opacityToUse);\n }\n }\n #else\n float intensity = texture2D(texture1, tcoordVCVSOutput).r;\n vec3 tcolor = texture2D(colorTexture1, vec2(intensity * cscale0 + cshift0, 0.5)).rgb;\n float scalarOpacity = texture2D(pwfTexture1, vec2(intensity * pwfscale0 + pwfshift0, 0.5)).r;\n gl_FragData[0] = vec4(tcolor, scalarOpacity * opacity);\n #endif\n ")]).result;break;case 2:a=Ca.substitute(a,"//VTK::TCoord::Impl",["vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);","float intensity = tcolor.r*cscale0 + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(intensity, 0.5)).rgb, pwfscale0*tcolor.g + pwfshift0);"]).result;break;case 3:a=Ca.substitute(a,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, opacity);"]).result;break;default:a=Ca.substitute(a,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, tcolor.a);"]).result}t.haveSeenDepthRequest&&(a=Ca.substitute(a,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,a=Ca.substitute(a,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),n.Vertex=i,n.Fragment=a,e.replaceShaderClip(n,r,o),e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderClip=(e,n,r)=>{let o=e.Vertex,i=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(Ce("OpenGL has a limit of 6 clipping planes"),e=6),o=Ca.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=Ca.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,i=Ca.substitute(i,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,i=Ca.substitute(i,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=i},e.getNeedToRebuildShaders=(e,n,r)=>{const o=t.openGLTexture.getComponents(),i=r.getProperty().getIndependentComponents();let a=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(a=!0),!(!a&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&0!==e.getProgram()?.getHandle()&&t.lastTextureComponents===o&&t.lastIndependentComponents===i||(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=i,0))},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ns("Error setting vertexMC in shader VAO.")),n.getProgram().isAttributeUsed("tcoordMC")&&n.getCABO().getTCoordOffset()&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"tcoordMC",n.getCABO().getTCoordOffset(),n.getCABO().getStride(),t.context.FLOAT,n.getCABO().getTCoordComponents(),t.context.FALSE)||Ns("Error setting tcoordMC in shader VAO.")),n.getAttributeUpdateTime().modified());const i=t.openGLTexture.getTextureUnit();n.getProgram().setUniformi("texture1",i);const a=t.openGLTexture.getComponents(),s=o.getProperty().getIndependentComponents();if(s)for(let e=0;e6&&(Ce("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,i=r?c(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(h(i,i),y(i,i,r),h(i,i)),h(t.imagemat,t.currentInput.getIndexToWorld()),y(t.imagematinv,i,t.imagemat);const a=[];for(let n=0;n{const i=n.getProgram(),a=t.openGLImageSlice.getKeyMatrices(),s=t.currentInput,l=s.getIndexToWorld();y(t.imagemat,a.mcwc,l);const u=t.openGLCamera.getKeyMatrices(r);if(y(t.imagemat,u.wcpc,t.imagemat),n.getCABO().getCoordShiftAndScaleEnabled()){const e=n.getCABO().getInverseShiftAndScaleMatrix();y(t.imagemat,t.imagemat,e)}if(i.setUniformMatrix("MCPCMatrix",t.imagemat),!0===o.getProperty().getUseLabelOutline()){const n=s.getWorldToIndex(),o=s.getDimensions();i.setUniform3i("imageDimensions",o[0],o[1],1),i.setUniformMatrix("vWCtoIDX",n);const a=t.openGLCamera.getKeyMatrices(r);m(t.projectionToWorld,a.wcpc),t.openGLCamera.getKeyMatrices(r),i.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const l=e.getRenderTargetSize();i.setUniformf("vpWidth",l[0]),i.setUniformf("vpHeight",l[1]);const u=e.getRenderTargetOffset();i.setUniformf("vpOffsetX",u[0]/l[0]),i.setUniformf("vpOffsetY",u[1]/l[1])}},e.setPropertyShaderParameters=(e,t,n)=>{const r=e.getProgram(),o=n.getProperty().getOpacity();r.setUniformf("opacity",o)},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),t.labelOutlineThicknessTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),t.labelOutlineThicknessTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getCurrentImage(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):Ns("No input!")},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():yr(t.bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const o=t.currentInput;if(!o)return;const i=o.getPointData()&&o.getPointData().getScalars();if(!i)return;const a=i.getDataType(),s=i.getNumberOfComponents(),l=r.getProperty(),u=l.getInterpolationType(),c=l.getIndependentComponents(),d=c?s:1,p=c?2*d:1,f=l.getRGBTransferFunction(),h=Rs(l,f,d),m=t._openGLRenderWindow.getGraphicsResourceForObject(f);if(m?.vtkObj&&m?.hash===h&&t.colorTextureString===h)t.colorTexture=m.vtkObj,t.colorTextureString=m.hash;else{const e=1024,n=new Uint8Array(e*p*3);if(t.colorTexture||(t.colorTexture=hs.newInstance({resizable:!0}),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow)),u===Ts?(t.colorTexture.setMinificationFilter(Qa.NEAREST),t.colorTexture.setMagnificationFilter(Qa.NEAREST)):(t.colorTexture.setMinificationFilter(Qa.LINEAR),t.colorTexture.setMagnificationFilter(Qa.LINEAR)),f){const r=new Float32Array(3*e);for(let t=0;t1?1:0;const d=[Ms.X,Ms.Y,Ms.Z].includes(t.renderable.getSlicingMode())?x:_,p=o.getSpatialExtent(),f=i.getData();let h=null;if(b===Ms.I){h=new f.constructor(e[2]*e[1]*s);let t=0;for(let n=0;n{t.labelOutlineThicknessTexture||(t.labelOutlineThicknessTexture=hs.newInstance({resizable:!1}),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow));const n=e.getProperty().getLabelOutlineThickness(),r=t._openGLRenderWindow.getGraphicsResourceForObject(n),o=`${n.join("-")}`;if(r?.vtkObj&&r?.hash===o&&t.labelOutlineThicknessTextureString===o)t.labelOutlineThicknessTexture=r.vtkObj,t.labelOutlineThicknessTextureString=r.hash;else{const e=1024,r=1,i=new Uint8Array(e*r);for(let t=0;t{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]}}const Ls={VBOBuildTime:0,VBOBuildString:null,openGLTexture:null,tris:null,imagemat:null,imagematinv:null,colorTexture:null,pwfTexture:null,labelOutlineThicknessTexture:null,labelOutlineThicknessTextureString:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,_scalars:null};const Bs=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ls,n),Tt.extend(e,t,n),ms(e,t,n),gs(e,t,n),t.tris=Ra.newInstance(),t.imagemat=f(new Float64Array(16)),t.imagematinv=f(new Float64Array(16)),t.projectionToWorld=f(new Float64Array(16)),t.idxToView=f(new Float64Array(16)),t.idxNormalMatrix=ae(new Float64Array(9)),t.modelToView=f(new Float64Array(16)),t.projectionToView=f(new Float64Array(16)),$e(e,t,[]),t.VBOBuildTime={},je(t.VBOBuildTime),ks(e,t)}),"vtkOpenGLImageMapper");Dt("vtkAbstractImageMapper",Bs);const{vtkErrorMacro:Vs}=gt;function Us(e,t,n){if(t.apply(e)){const t=e.getIndependentComponents();return`${e.getMTime()}-${t}-${n}`}return"0"}function Gs(e,t){t.classHierarchy.push("vtkOpenGLImageCPRMapper"),e.buildPass=n=>{n&&(t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.openGLCamera=t._openGLRenderer.getViewNodeFor(t._openGLRenderer.getRenderable().getActiveCamera()),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.volumeTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.pwfTexture.setOpenGLRenderWindow(t._openGLRenderWindow))},e.opaquePass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.opaqueZBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),e.invokeEvent({type:"EndEvent"}),t.renderable.preRenderCheck()&&(t.currentImageDataInput=t.renderable.getInputData(0),t.currentCenterlineInput=t.renderable.getOrientedCenterline(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r))},e.renderPieceStart=(t,n)=>{e.updateBufferObjects(t,n)},e.renderPieceDraw=(n,r)=>{const o=t.context;t.volumeTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.volumeTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>{const o=t.VBOBuildTime.getMTime();return o{const r=t.currentImageDataInput,o=t.currentCenterlineInput;n.getProperty().getInterpolationType()===Ts?(t.volumeTexture.setMinificationFilter(Qa.NEAREST),t.volumeTexture.setMagnificationFilter(Qa.NEAREST),t.colorTexture.setMinificationFilter(Qa.NEAREST),t.colorTexture.setMagnificationFilter(Qa.NEAREST),t.pwfTexture.setMinificationFilter(Qa.NEAREST),t.pwfTexture.setMagnificationFilter(Qa.NEAREST)):(t.volumeTexture.setMinificationFilter(Qa.LINEAR),t.volumeTexture.setMagnificationFilter(Qa.LINEAR),t.colorTexture.setMinificationFilter(Qa.LINEAR),t.colorTexture.setMagnificationFilter(Qa.LINEAR),t.pwfTexture.setMinificationFilter(Qa.LINEAR),t.pwfTexture.setMagnificationFilter(Qa.LINEAR));const i=r.getMTime();if(t.volumeTextureTime!==i){const e=r.getDimensions(),n=r.getPointData().getScalars();if(!n)return;t.volumeTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.volumeTexture.releaseGraphicsResources(t._openGLRenderWindow),t.volumeTexture.resetFormatAndType(),t.volumeTexture.create3DFilterableFromRaw(e[0],e[1],e[2],n.getNumberOfComponents(),n.getDataType(),n.getData(),t.renderable.getPreferSizeOverAccuracy()),t.volumeTextureTime=i}const a=r.getPointData()&&r.getPointData().getScalars();if(!a)return;const s=a.getNumberOfComponents(),l=n.getProperty(),u=l.getIndependentComponents(),c=u?s:1,d=u?2*c:1,p=Us(l,l.getRGBTransferFunction,c);if(t.colorTextureString!==p){const e=1024,n=new Uint8Array(e*d*3);let r=l.getRGBTransferFunction();if(r){const o=new Float32Array(3*e);for(let t=0;t{const o=t.volumeTexture.getComponents(),i=r.getProperty().getIndependentComponents(),a=!!t.renderable.getCenterPoint(),s=t.renderable.getUseUniformOrientation();return(0===e.getProgram()||t.lastUseCenterPoint!==a||t.lastUseUniformOrientation!==s||t.lastHaveSeenDepthRequest!==t.haveSeenDepthRequest||t.lastTextureComponents!==o||t.lastIndependentComponents!==i)&&(t.lastUseCenterPoint=a,t.lastUseUniformOrientation=s,t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=i,!0)},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.replaceShaderValues=(n,r,o)=>{let i=n.Vertex,a=n.Fragment;i=Ca.substitute(i,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,i=Ca.substitute(i,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result;const s=["attribute vec3 centerlinePosition;","attribute float quadIndex;","uniform float width;","out vec2 quadOffsetVSOutput;","out vec3 centerlinePosVSOutput;"],l=t.renderable.getUseUniformOrientation();l?s.push("out vec3 centerlineDirVSOutput;","uniform vec3 centerlineDirection;"):s.push("out vec3 centerlineTopDirVSOutput;","out vec3 centerlineBotDirVSOutput;","out float centerlineAngleVSOutput;","attribute vec3 centerlineTopDirection;","attribute vec3 centerlineBotDirection;"),i=Ca.substitute(i,"//VTK::Color::Dec",s).result;const u=["quadOffsetVSOutput = vec2(width * (mod(quadIndex, 2.0) == 0.0 ? -0.5 : 0.5), quadIndex > 1.0 ? 0.0 : 1.0);","centerlinePosVSOutput = centerlinePosition;"];l?u.push("centerlineDirVSOutput = centerlineDirection;"):u.push("vec3 sumVec = centerlineTopDirection + centerlineBotDirection;","float sumLen2 = dot(sumVec, sumVec);","float diffLen2 = 4.0 - sumLen2;","if (diffLen2 < 0.001) {"," // vectors are too close to each other, use lerp"," centerlineAngleVSOutput = -1.0; // use negative angle as a flag for lerp"," centerlineTopDirVSOutput = centerlineTopDirection;"," centerlineBotDirVSOutput = centerlineBotDirection;","} else if (sumLen2 == 0.0) {"," // vector are opposite to each other, don't make a choice for the user"," // use slerp without direction, it will display the centerline color on each row of pixel"," centerlineAngleVSOutput = 0.0;"," centerlineTopDirVSOutput = vec3(0.0);"," centerlineBotDirVSOutput = vec3(0.0);","} else {"," // use slerp"," centerlineAngleVSOutput = 2.0 * atan(sqrt(diffLen2/sumLen2));"," float sinAngle = sin(centerlineAngleVSOutput);"," centerlineTopDirVSOutput = centerlineTopDirection / sinAngle;"," centerlineBotDirVSOutput = centerlineBotDirection / sinAngle;","}"),i=Ca.substitute(i,"//VTK::Color::Impl",u).result;const c=t.volumeTexture.getComponents(),d=o.getProperty().getIndependentComponents();let p=["uniform mat4 MCTCMatrix; // Model coordinates to texture coordinates","in vec2 quadOffsetVSOutput;","in vec3 centerlinePosVSOutput;","uniform highp sampler3D volumeTexture;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;"];l?p.push("in vec3 centerlineDirVSOutput;"):p.push("in vec3 centerlineTopDirVSOutput;","in vec3 centerlineBotDirVSOutput;","in float centerlineAngleVSOutput;");const f=t.renderable.getCenterPoint();if(f&&p.push("uniform vec3 globalCenterPoint;"),d){for(let e=1;e{let o=e.Vertex,i=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(gt.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6),o=Ca.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=Ca.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,i=Ca.substitute(i,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,i=Ca.substitute(i,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=i},e.getShaderTemplate=(e,t,n)=>{e.Vertex=Os,e.Fragment=Ps,e.Geometry=""},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Vs("Error setting vertexMC in shader VAO.")),n.getCABO().getCustomData().forEach((e=>{e&&n.getProgram().isAttributeUsed(e.name)&&!n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),e.name,e.offset,n.getCABO().getStride(),t.context.FLOAT,e.components,t.context.FALSE)&&Vs(`Error setting ${e.name} in shader VAO.`)})),n.getAttributeUpdateTime().modified());const i=t.volumeTexture.getTextureUnit();if(n.getProgram().setUniformi("volumeTexture",i),n.getProgram().setUniformf("width",t.renderable.getWidth()),n.getProgram().setUniform4f("backgroundColor",...t.renderable.getBackgroundColor()),n.getProgram().isUniformUsed("centerlineDirection")){const e=t.renderable.getUniformDirection();n.getProgram().setUniform3fArray("centerlineDirection",e)}if(n.getProgram().isUniformUsed("globalCenterPoint")){const e=t.renderable.getCenterPoint();n.getProgram().setUniform3fArray("globalCenterPoint",e)}const a=t.currentImageDataInput,s=a.getWorldToIndex(),l=A(new Float32Array(16),Xt([],a.getDimensions())),u=re(l,l,s);if(n.getProgram().setUniformMatrix("MCTCMatrix",u),t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(gt.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,i=r?c(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(h(i,i),y(i,i,r),h(i,i)),h(t.imagemat,t.currentImageDataInput.getIndexToWorld()),y(t.imagematinv,i,t.imagemat);const a=[];for(let n=0;n{const o=t.openGLImageSlice.getKeyMatrices().mcwc,i=t.openGLCamera.getKeyMatrices(n).wcpc;if(y(t.imagemat,i,o),e.getCABO().getCoordShiftAndScaleEnabled()){const n=e.getCABO().getInverseShiftAndScaleMatrix();y(t.imagemat,t.imagemat,n)}e.getProgram().setUniformMatrix("MCPCMatrix",t.imagemat)},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),i=r.getProperty(),a=i.getOpacity();o.setUniformf("opacity",a);const s=t.volumeTexture.getComponents(),l=i.getIndependentComponents();if(l)for(let e=0;e{if(e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)}}const zs={currentRenderPass:null,volumeTexture:null,volumeTextureTime:0,colorTexture:null,colorTextureString:null,pwfTexture:null,pwfTextureString:null,tris:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,lastIndependentComponents:0,imagemat:null,imagematinv:null};const js=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,zs,n),Tt.extend(e,t,n),ms(e,t,n),gt.algo(e,t,2,0),t.tris=Ra.newInstance(),t.volumeTexture=hs.newInstance(),t.colorTexture=hs.newInstance(),t.pwfTexture=hs.newInstance(),t.imagemat=f(new Float64Array(16)),t.imagematinv=f(new Float64Array(16)),t.VBOBuildTime={},gt.obj(t.VBOBuildTime,{mtime:0}),Gs(e,t)}),"vtkOpenGLImageCPRMapper");function Ws(e,t){t.classHierarchy.push("vtkOpenGLImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes()}},e.traverseZBufferPass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseOpaqueZBufferPass=t=>e.traverseOpaquePass(t),e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t._openGLRenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.zBufferPass=(t,n)=>e.opaquePass(t,n),e.opaqueZBufferPass=(t,n)=>e.opaquePass(t,n),e.opaquePass=(e,n)=>{e&&t.context.depthMask(!0)},e.translucentPass=(e,n)=>{t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(c(t.keyMatrices.mcwc,t.renderable.getMatrix()),h(t.keyMatrices.mcwc,t.keyMatrices.mcwc),t.keyMatrixTime.modified()),t.keyMatrices)}Dt("vtkImageCPRMapper",js);const Hs={context:null,keyMatrixTime:null,keyMatrices:null};const Xs=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Hs,n),Tt.extend(e,t,n),t.keyMatrixTime={},je(t.keyMatrixTime,{mtime:0}),t.keyMatrices={mcwc:f(new Float64Array(16))},$e(e,t,["context"]),Ws(e,t)}),"vtkOpenGLImageSlice");function Ks(e,t){t.classHierarchy.push("vtkOpenGLVolume"),e.buildPass=n=>{t.renderable&&t.renderable.getVisibility()&&n&&(t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes())},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;n.incrementVolumeCount()}},e.traverseVolumePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children[0].traverse(n),e.apply(n,!1))},e.volumePass=e=>{t.renderable&&t.renderable.getVisibility()&&t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(t.renderable.computeMatrix(),c(t.MCWCMatrix,t.renderable.getMatrix()),h(t.MCWCMatrix,t.MCWCMatrix),t.renderable.getIsIdentity()?ae(t.normalMatrix):(ie(t.normalMatrix,t.MCWCMatrix),se(t.normalMatrix,t.normalMatrix),function(e,t){if(e===t){var n=t[1],r=t[2],o=t[5];e[1]=t[3],e[2]=t[6],e[3]=n,e[5]=t[7],e[6]=r,e[7]=o}else e[0]=t[0],e[1]=t[3],e[2]=t[6],e[3]=t[1],e[4]=t[4],e[5]=t[7],e[6]=t[2],e[7]=t[5],e[8]=t[8]}(t.normalMatrix,t.normalMatrix)),t.keyMatrixTime.modified()),{mcwc:t.MCWCMatrix,normalMatrix:t.normalMatrix})}Dt("vtkImageSlice",Xs);const qs={};const $s=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,qs,n),Tt.extend(e,t,n),t.keyMatrixTime={},je(t.keyMatrixTime,{mtime:0}),t.normalMatrix=new Float64Array(9),t.MCWCMatrix=new Float64Array(16),$e(e,t,["context"]),Ks(e,t)}),"vtkOpenGLVolume");function Ys(e,t){t.classHierarchy.push("vtkFramebuffer"),e.getBothMode=()=>t.context.FRAMEBUFFER,e.saveCurrentBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.saveCurrentBindings(n),e.saveCurrentBuffers(n)},e.saveCurrentBindings=e=>{if(!t.context)return void Ce("you must set the OpenGLRenderWindow before calling saveCurrentBindings");const n=t.context;t.previousDrawBinding=n.getParameter(t.context.FRAMEBUFFER_BINDING),t.previousActiveFramebuffer=t._openGLRenderWindow.getActiveFramebuffer()},e.saveCurrentBuffers=e=>{},e.restorePreviousBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.restorePreviousBindings(n),e.restorePreviousBuffers(n)},e.restorePreviousBindings=e=>{if(!t.context)return void Ce("you must set the OpenGLRenderWindow before calling restorePreviousBindings");const n=t.context;n.bindFramebuffer(n.FRAMEBUFFER,t.previousDrawBinding),t._openGLRenderWindow.setActiveFramebuffer(t.previousActiveFramebuffer)},e.restorePreviousBuffers=e=>{},e.bind=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,r=n;null===r&&(r=t.context.FRAMEBUFFER),t.context.bindFramebuffer(r,t.glFramebuffer);for(let e=0;e{t.context?(t.glFramebuffer=t.context.createFramebuffer(),t.glFramebuffer.width=e,t.glFramebuffer.height=n):Ce("you must set the OpenGLRenderWindow before calling create")},e.setColorBuffer=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const r=t.context;if(!r)return void Ce("you must set the OpenGLRenderWindow before calling setColorBuffer");let o=r.COLOR_ATTACHMENT0;if(n>0){if(!t._openGLRenderWindow.getWebgl2())return void Ce("Using multiple framebuffer attachments requires WebGL 2");o+=n}t.colorBuffers[n]=e,r.framebufferTexture2D(r.FRAMEBUFFER,o,r.TEXTURE_2D,e.getHandle(),0)},e.removeColorBuffer=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;const n=t.context;if(!n)return void Ce("you must set the OpenGLRenderWindow before calling removeColorBuffer");let r=n.COLOR_ATTACHMENT0;if(e>0){if(!t._openGLRenderWindow.getWebgl2())return void Ce("Using multiple framebuffer attachments requires WebGL 2");r+=e}n.framebufferTexture2D(n.FRAMEBUFFER,r,n.TEXTURE_2D,null,0),t.colorBuffers=t.colorBuffers.splice(e,1)},e.setDepthBuffer=e=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const n=t.context;n.framebufferTexture2D(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.TEXTURE_2D,e.getHandle(),0)}else Ce("Attaching depth buffer textures to fbo requires WebGL 2");else Ce("you must set the OpenGLRenderWindow before calling setDepthBuffer")},e.removeDepthBuffer=()=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const e=t.context;e.framebufferTexture2D(e.FRAMEBUFFER,e.DEPTH_ATTACHMENT,e.TEXTURE_2D,null,0)}else Ce("Attaching depth buffer textures to framebuffers requires WebGL 2");else Ce("you must set the OpenGLRenderWindow before calling removeDepthBuffer")},e.getGLFramebuffer=()=>t.glFramebuffer,e.setOpenGLRenderWindow=n=>{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.releaseGraphicsResources=()=>{t.glFramebuffer&&t.context.deleteFramebuffer(t.glFramebuffer)},e.getSize=()=>{const e=[0,0];return null!==t.glFramebuffer&&(e[0]=t.glFramebuffer.width,e[1]=t.glFramebuffer.height),e},e.populateFramebuffer=()=>{if(!t.context)return void Ce("you must set the OpenGLRenderWindow before calling populateFrameBuffer");e.bind();const n=t.context,r=hs.newInstance();r.setOpenGLRenderWindow(t._openGLRenderWindow),r.setMinificationFilter(Qa.LINEAR),r.setMagnificationFilter(Qa.LINEAR),r.create2DFromRaw(t.glFramebuffer.width,t.glFramebuffer.height,4,on.UNSIGNED_CHAR,null),e.setColorBuffer(r),t.depthTexture=n.createRenderbuffer(),n.bindRenderbuffer(n.RENDERBUFFER,t.depthTexture),n.renderbufferStorage(n.RENDERBUFFER,n.DEPTH_COMPONENT16,t.glFramebuffer.width,t.glFramebuffer.height),n.framebufferRenderbuffer(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.RENDERBUFFER,t.depthTexture)},e.getColorTexture=()=>t.colorBuffers[0]}Dt("vtkVolume",$s);const Js={glFramebuffer:null,colorBuffers:null,depthTexture:null,previousDrawBinding:0,previousReadBinding:0,previousDrawBuffer:0,previousReadBuffer:0,previousActiveFramebuffer:null};function Qs(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Js,n),je(e,t),t.colorBuffers&&Ce("you cannot initialize colorBuffers through the constructor. You should call setColorBuffer() instead."),t.colorBuffers=[],Ye(e,t,["colorBuffers"]),Ys(e,t)}var Zs={newInstance:rt(Qs,"vtkFramebuffer"),extend:Qs};const el={NEAREST:0,LINEAR:1,FAST_LINEAR:2},tl={FRACTIONAL:0,PROPORTIONAL:1};var nl={InterpolationType:el,OpacityMode:tl};const rl={COMPOSITE_BLEND:0,MAXIMUM_INTENSITY_BLEND:1,MINIMUM_INTENSITY_BLEND:2,AVERAGE_INTENSITY_BLEND:3,ADDITIVE_INTENSITY_BLEND:4,RADON_TRANSFORM_BLEND:5};var ol={BlendMode:rl,FilterMode:{OFF:0,NORMALIZED:1,RAW:2}};const{vtkWarningMacro:il,vtkErrorMacro:al}=vt;function sl(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function ll(e,t){t.classHierarchy.push("vtkOpenGLVolumeMapper"),e.buildPass=()=>{t.zBufferTexture=null},e.zBufferPass=(e,n)=>{if(e){const e=n.getZBufferTexture();e!==t.zBufferTexture&&(t.zBufferTexture=e)}},e.opaqueZBufferPass=(t,n)=>e.zBufferPass(t,n),e.volumePass=(n,r)=>{if(n){t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.jitterTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.scalarTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.opacityTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.openGLVolume=e.getFirstAncestorOfType("vtkOpenGLVolume");const n=t.openGLVolume.getRenderable();t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const r=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(r.getActiveCamera()),e.renderPiece(r,n)}},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexDC;\n\nvarying vec3 vertexVCVSOutput;\nuniform mat4 PCVCMatrix;\n\nuniform float dcxmin;\nuniform float dcxmax;\nuniform float dcymin;\nuniform float dcymax;\n\nvoid main()\n{\n // dcsmall is the device coords reduced to the\n // x y area covered by the volume\n vec4 dcsmall = vec4(\n dcxmin + 0.5 * (vertexDC.x + 1.0) * (dcxmax - dcxmin),\n dcymin + 0.5 * (vertexDC.y + 1.0) * (dcymax - dcymin),\n vertexDC.z,\n vertexDC.w);\n vec4 vcpos = PCVCMatrix * dcsmall;\n vertexVCVSOutput = vcpos.xyz/vcpos.w;\n gl_Position = dcsmall;\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkVolumeFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the volume mappers fragment shader\n\n// the output of this shader\n//VTK::Output::Dec\n\nvarying vec3 vertexVCVSOutput;\n\n// first declare the settings from the mapper\n// that impact the code paths in here\n\n// always set vtkNumComponents 1,2,3,4\n//VTK::NumComponents\n\n// possibly define vtkTrilinearOn\n//VTK::TrilinearOn\n\n// possibly define vtkIndependentComponents\n//VTK::IndependentComponentsOn\n\n// possibly define any \"proportional\" components\n//VTK::vtkProportionalComponents\n\n// Define the blend mode to use\n#define vtkBlendMode //VTK::BlendMode\n\n// Possibly define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n#ifdef vtkImageLabelOutlineOn\n\nuniform float outlineOpacity;\nuniform float vpWidth;\nuniform float vpHeight;\nuniform float vpOffsetX;\nuniform float vpOffsetY;\nuniform mat4 PCWCMatrix;\nuniform mat4 vWCtoIDX;\n#endif\n\n// define vtkLightComplexity\n//VTK::LightComplexity\n#if vtkLightComplexity > 0\nuniform float vSpecularPower;\nuniform float vAmbient;\nuniform float vDiffuse;\nuniform float vSpecular;\n//VTK::Light::Dec\n#endif\n\n//VTK::VolumeShadowOn\n//VTK::SurfaceShadowOn\n//VTK::localAmbientOcclusionOn\n//VTK::LAO::Dec\n//VTK::VolumeShadow::Dec\n\n// define vtkComputeNormalFromOpacity\n//VTK::vtkComputeNormalFromOpacity\n\n// possibly define vtkGradientOpacityOn\n//VTK::GradientOpacityOn\n#ifdef vtkGradientOpacityOn\nuniform float goscale0;\nuniform float goshift0;\nuniform float gomin0;\nuniform float gomax0;\n#if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\nuniform float goscale1;\nuniform float goshift1;\nuniform float gomin1;\nuniform float gomax1;\n#if vtkNumComponents >= 3\nuniform float goscale2;\nuniform float goshift2;\nuniform float gomin2;\nuniform float gomax2;\n#endif\n#if vtkNumComponents >= 4\nuniform float goscale3;\nuniform float goshift3;\nuniform float gomin3;\nuniform float gomax3;\n#endif\n#endif\n#endif\n\n// if you want to see the raw tiled\n// data in webgl1 uncomment the following line\n// #define debugtile\n\n// camera values\nuniform float camThick;\nuniform float camNear;\nuniform float camFar;\nuniform int cameraParallel;\n\n// values describing the volume geometry\nuniform vec3 vOriginVC;\nuniform vec3 vSpacing;\nuniform ivec3 volumeDimensions; // 3d texture dimensions\nuniform vec3 vPlaneNormal0;\nuniform float vPlaneDistance0;\nuniform vec3 vPlaneNormal1;\nuniform float vPlaneDistance1;\nuniform vec3 vPlaneNormal2;\nuniform float vPlaneDistance2;\nuniform vec3 vPlaneNormal3;\nuniform float vPlaneDistance3;\nuniform vec3 vPlaneNormal4;\nuniform float vPlaneDistance4;\nuniform vec3 vPlaneNormal5;\nuniform float vPlaneDistance5;\n\n//VTK::ClipPlane::Dec\n\n// opacity and color textures\nuniform sampler2D otexture;\nuniform float oshift0;\nuniform float oscale0;\nuniform sampler2D ctexture;\nuniform float cshift0;\nuniform float cscale0;\n\n// jitter texture\nuniform sampler2D jtexture;\nuniform sampler2D ttexture;\n\n\n// some 3D texture values\nuniform float sampleDistance;\nuniform vec3 vVCToIJK;\n\n// the heights defined below are the locations\n// for the up to four components of the tfuns\n// the tfuns have a height of 2XnumComps pixels so the\n// values are computed to hit the middle of the two rows\n// for that component\n#ifdef vtkIndependentComponentsOn\n#if vtkNumComponents == 2\nuniform float mix0;\nuniform float mix1;\n#define height0 0.25\n#define height1 0.75\n#endif\n#if vtkNumComponents == 3\nuniform float mix0;\nuniform float mix1;\nuniform float mix2;\n#define height0 0.17\n#define height1 0.5\n#define height2 0.83\n#endif\n#if vtkNumComponents == 4\nuniform float mix0;\nuniform float mix1;\nuniform float mix2;\nuniform float mix3;\n#define height0 0.125\n#define height1 0.375\n#define height2 0.625\n#define height3 0.875\n#endif\n#endif\n\n#if vtkNumComponents >= 2\nuniform float oshift1;\nuniform float oscale1;\nuniform float cshift1;\nuniform float cscale1;\n#endif\n#if vtkNumComponents >= 3\nuniform float oshift2;\nuniform float oscale2;\nuniform float cshift2;\nuniform float cscale2;\n#endif\n#if vtkNumComponents >= 4\nuniform float oshift3;\nuniform float oscale3;\nuniform float cshift3;\nuniform float cscale3;\n#endif\n\nuniform vec4 ipScalarRangeMin;\nuniform vec4 ipScalarRangeMax;\n\n// declaration for intermixed geometry\n//VTK::ZBuffer::Dec\n\n//=======================================================================\n// global and custom variables (a temporary section before photorealistics rendering module is complete)\nvec3 rayDirVC;\nfloat sampleDistanceISVS;\nfloat sampleDistanceIS;\n\n#define SQRT3 1.7321\n#define INV4PI 0.0796\n#define EPSILON 0.001\n#define PI 3.1415\n#define PI2 9.8696\n\n//=======================================================================\n// Webgl2 specific version of functions\n#if __VERSION__ == 300\n\nuniform highp sampler3D texture1;\n\nvec4 getTextureValue(vec3 pos)\n{\n vec4 tmp = texture(texture1, pos);\n#if vtkNumComponents == 1\n tmp.a = tmp.r;\n#endif\n#if vtkNumComponents == 2\n tmp.a = tmp.g;\n#endif\n#if vtkNumComponents == 3\n tmp.a = length(tmp.rgb);\n#endif\n return tmp;\n}\n\n//=======================================================================\n// WebGL1 specific version of functions\n#else\n\nuniform sampler2D texture1;\n\nuniform float texWidth;\nuniform float texHeight;\nuniform int xreps;\nuniform int xstride;\nuniform int ystride;\n\n// if computing trilinear values from multiple z slices\n#ifdef vtkTrilinearOn\nvec4 getTextureValue(vec3 ijk)\n{\n float zoff = 1.0/float(volumeDimensions.z);\n vec4 val1 = getOneTextureValue(ijk);\n vec4 val2 = getOneTextureValue(vec3(ijk.xy, ijk.z + zoff));\n\n float indexZ = float(volumeDimensions)*ijk.z;\n float zmix = indexZ - floor(indexZ);\n\n return mix(val1, val2, zmix);\n}\n\nvec4 getOneTextureValue(vec3 ijk)\n#else // nearest or fast linear\nvec4 getTextureValue(vec3 ijk)\n#endif\n{\n vec3 tdims = vec3(volumeDimensions);\n\n#ifdef debugtile\n vec2 tpos = vec2(ijk.x, ijk.y);\n vec4 tmp = texture2D(texture1, tpos);\n tmp.a = 1.0;\n\n#else\n int z = int(ijk.z * tdims.z);\n int yz = z / xreps;\n int xz = z - yz*xreps;\n\n int tileWidth = volumeDimensions.x/xstride;\n int tileHeight = volumeDimensions.y/ystride;\n\n xz *= tileWidth;\n yz *= tileHeight;\n\n float ni = float(xz) + (ijk.x*float(tileWidth));\n float nj = float(yz) + (ijk.y*float(tileHeight));\n\n vec2 tpos = vec2(ni/texWidth, nj/texHeight);\n\n vec4 tmp = texture2D(texture1, tpos);\n\n#if vtkNumComponents == 1\n tmp.a = tmp.r;\n#endif\n#if vtkNumComponents == 2\n tmp.g = tmp.a;\n#endif\n#if vtkNumComponents == 3\n tmp.a = length(tmp.rgb);\n#endif\n#endif\n\n return tmp;\n}\n\n// End of Webgl1 specific code\n//=======================================================================\n#endif\n\n//=======================================================================\n// transformation between VC and IS space\n\n// convert vector position from idx to vc\n#if (vtkLightComplexity > 0) || (defined vtkClippingPlanesOn)\nvec3 IStoVC(vec3 posIS){\n vec3 posVC = posIS / vVCToIJK;\n return posVC.x * vPlaneNormal0 +\n posVC.y * vPlaneNormal2 +\n posVC.z * vPlaneNormal4 +\n vOriginVC;\n}\n\n// convert vector position from vc to idx\nvec3 VCtoIS(vec3 posVC){\n posVC = posVC - vOriginVC;\n posVC = vec3(\n dot(posVC, vPlaneNormal0),\n dot(posVC, vPlaneNormal2),\n dot(posVC, vPlaneNormal4));\n return posVC * vVCToIJK;\n}\n#endif\n\n//Rotate vector to view coordinate\n#if (vtkLightComplexity > 0) || (defined vtkGradientOpacityOn)\nvoid rotateToViewCoord(inout vec3 dirIS){\n dirIS.xyz =\n dirIS.x * vPlaneNormal0 +\n dirIS.y * vPlaneNormal2 +\n dirIS.z * vPlaneNormal4;\n}\n\n//Rotate vector to idx coordinate\nvec3 rotateToIDX(vec3 dirVC){\n vec3 dirIS;\n dirIS.xyz = vec3(\n dot(dirVC, vPlaneNormal0),\n dot(dirVC, vPlaneNormal2),\n dot(dirVC, vPlaneNormal4));\n return dirIS;\n}\n#endif\n\n//=======================================================================\n// Given a normal compute the gradient opacity factors\nfloat computeGradientOpacityFactor(\n float normalMag, float goscale, float goshift, float gomin, float gomax)\n{\n#if defined(vtkGradientOpacityOn)\n return clamp(normalMag * goscale + goshift, gomin, gomax);\n#else\n return 1.0;\n#endif\n}\n\n//=======================================================================\n// compute the normal and gradient magnitude for a position, uses forward difference\n#if (vtkLightComplexity > 0) || (defined vtkGradientOpacityOn)\n#ifdef vtkClippingPlanesOn\n void adjustClippedVoxelValues(vec3 pos, vec3 texPos[3], inout vec3 g1)\n {\n vec3 g1VC[3];\n for (int i = 0; i < 3; ++i)\n {\n g1VC[i] = IStoVC(texPos[i]);\n }\n vec3 posVC = IStoVC(pos);\n for (int i = 0; i < clip_numPlanes; ++i)\n {\n for (int j = 0; j < 3; ++j)\n {\n if(dot(vec3(vClipPlaneOrigins[i] - g1VC[j].xyz), vClipPlaneNormals[i]) > 0.0)\n {\n g1[j] = 0.0;\n }\n }\n }\n }\n#endif\n\n #ifdef vtkComputeNormalFromOpacity\n #ifdef vtkGradientOpacityOn\n vec4 computeDensityNormal(float gradientMag, vec3 scalarInterp[2])\n {\n #else\n //if gradient opacity not on but using density gradient\n vec4 computeDensityNormal(vec3 scalarInterp[2])\n {\n #endif\n vec3 opacityG1, opacityG2;\n opacityG1.x = texture2D(otexture, vec2(scalarInterp[0].x * oscale0 + oshift0, 0.5)).r;\n opacityG1.y = texture2D(otexture, vec2(scalarInterp[0].y * oscale0 + oshift0, 0.5)).r;\n opacityG1.z = texture2D(otexture, vec2(scalarInterp[0].z * oscale0 + oshift0, 0.5)).r;\n opacityG2.x = texture2D(otexture, vec2(scalarInterp[1].x * oscale0 + oshift0, 0.5)).r;\n opacityG2.y = texture2D(otexture, vec2(scalarInterp[1].y * oscale0 + oshift0, 0.5)).r;\n opacityG2.z = texture2D(otexture, vec2(scalarInterp[1].z * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n float gradOpacityFactor = 1.0f;\n if (gradientMag >= 0.0){\n gradOpacityFactor = computeGradientOpacityFactor(gradientMag, goscale0, goshift0, gomin0, gomax0);\n }\n opacityG1.xyz *= gradOpacityFactor;\n opacityG2.xyz *= gradOpacityFactor;\n #endif\n\n vec4 opacityG = vec4(opacityG1 - opacityG2, 1.0f);\n // divide by spacing\n opacityG.xyz /= vSpacing;\n opacityG.w = length(opacityG.xyz);\n // rotate to View Coords\n rotateToViewCoord(opacityG.xyz);\n if (length(opacityG.xyz) > 0.0) {\n return vec4(normalize(opacityG.xyz),opacityG.w);\n } else {\n return vec4(0.0);\n }\n }\n\n vec4 computeNormalForDensity(vec3 pos, vec3 tstep, out vec3 scalarInterp[2])\n {\n vec3 xvec = vec3(tstep.x, 0.0, 0.0);\n vec3 yvec = vec3(0.0, tstep.y, 0.0);\n vec3 zvec = vec3(0.0, 0.0, tstep.z);\n vec3 texPosPVec[3];\n texPosPVec[0] = pos + xvec;\n texPosPVec[1] = pos + yvec;\n texPosPVec[2] = pos + zvec;\n vec3 texPosNVec[3];\n texPosNVec[0] = pos - xvec;\n texPosNVec[1] = pos - yvec;\n texPosNVec[2] = pos - zvec;\n vec3 g1, g2;\n\n scalarInterp[0].x = getTextureValue(texPosPVec[0]).a;\n scalarInterp[0].y = getTextureValue(texPosPVec[1]).a;\n scalarInterp[0].z = getTextureValue(texPosPVec[2]).a;\n scalarInterp[1].x = getTextureValue(texPosNVec[0]).a;\n scalarInterp[1].y = getTextureValue(texPosNVec[1]).a;\n scalarInterp[1].z = getTextureValue(texPosNVec[2]).a;\n\n #ifdef vtkClippingPlanesOn\n adjustClippedVoxelValues(pos, texPosPVec, scalarInterp[0]);\n adjustClippedVoxelValues(pos, texPosNVec, scalarInterp[1]);\n #endif\n vec4 result;\n result.x = scalarInterp[0].x - scalarInterp[1].x;\n result.y = scalarInterp[0].y - scalarInterp[1].y;\n result.z = scalarInterp[0].z - scalarInterp[1].z;\n // divide by spacing\n result.xyz /= vSpacing;\n result.w = length(result.xyz);\n // rotate to View Coords\n rotateToViewCoord(result.xyz);\n if (length(result.xyz) > 0.0) {\n return vec4(normalize(result.xyz),result.w);\n } else {\n return vec4(0.0);\n }\n }\n #endif\n\n vec4 computeNormal(vec3 pos, vec3 tstep)\n {\n vec3 xvec = vec3(tstep.x, 0.0, 0.0);\n vec3 yvec = vec3(0.0, tstep.y, 0.0);\n vec3 zvec = vec3(0.0, 0.0, tstep.z);\n vec3 texPosPVec[3];\n texPosPVec[0] = pos + xvec;\n texPosPVec[1] = pos + yvec;\n texPosPVec[2] = pos + zvec;\n vec3 texPosNVec[3];\n texPosNVec[0] = pos - xvec;\n texPosNVec[1] = pos - yvec;\n texPosNVec[2] = pos - zvec;\n vec3 g1, g2;\n g1.x = getTextureValue(texPosPVec[0]).a;\n g1.y = getTextureValue(texPosPVec[1]).a;\n g1.z = getTextureValue(texPosPVec[2]).a;\n g2.x = getTextureValue(texPosNVec[0]).a;\n g2.y = getTextureValue(texPosNVec[1]).a;\n g2.z = getTextureValue(texPosNVec[2]).a;\n #ifdef vtkClippingPlanesOn\n adjustClippedVoxelValues(pos, texPosPVec, g1);\n adjustClippedVoxelValues(pos, texPosNVec, g2);\n #endif\n vec4 result;\n result = vec4(g1 - g2, -1.0);\n // divide by spacing\n result.xyz /= vSpacing;\n result.w = length(result.xyz);\n if (result.w > 0.0){\n // rotate to View Coords\n rotateToViewCoord(result.xyz);\n return vec4(normalize(result.xyz),result.w);\n } else {\n return vec4(0.0);\n }\n }\n#endif\n\n#ifdef vtkImageLabelOutlineOn\nvec3 fragCoordToIndexSpace(vec4 fragCoord) {\n vec4 pcPos = vec4(\n (fragCoord.x / vpWidth - vpOffsetX - 0.5) * 2.0,\n (fragCoord.y / vpHeight - vpOffsetY - 0.5) * 2.0,\n (fragCoord.z - 0.5) * 2.0,\n 1.0);\n\n vec4 worldCoord = PCWCMatrix * pcPos;\n vec4 vertex = (worldCoord/worldCoord.w);\n\n vec3 index = (vWCtoIDX * vertex).xyz;\n\n // half voxel fix for labelmapOutline\n return (index + vec3(0.5)) / vec3(volumeDimensions);\n}\n#endif\n\n//=======================================================================\n// compute the normals and gradient magnitudes for a position\n// for independent components\nmat4 computeMat4Normal(vec3 pos, vec4 tValue, vec3 tstep)\n{\n mat4 result;\n vec4 distX = getTextureValue(pos + vec3(tstep.x, 0.0, 0.0)) - tValue;\n vec4 distY = getTextureValue(pos + vec3(0.0, tstep.y, 0.0)) - tValue;\n vec4 distZ = getTextureValue(pos + vec3(0.0, 0.0, tstep.z)) - tValue;\n\n // divide by spacing\n distX /= vSpacing.x;\n distY /= vSpacing.y;\n distZ /= vSpacing.z;\n\n mat3 rot;\n rot[0] = vPlaneNormal0;\n rot[1] = vPlaneNormal2;\n rot[2] = vPlaneNormal4;\n\n#if !defined(vtkComponent0Proportional)\n result[0].xyz = vec3(distX.r, distY.r, distZ.r);\n result[0].a = length(result[0].xyz);\n result[0].xyz *= rot;\n if (result[0].w > 0.0)\n {\n result[0].xyz /= result[0].w;\n }\n#endif\n\n// optionally compute the 2nd component\n#if vtkNumComponents >= 2 && !defined(vtkComponent1Proportional)\n result[1].xyz = vec3(distX.g, distY.g, distZ.g);\n result[1].a = length(result[1].xyz);\n result[1].xyz *= rot;\n if (result[1].w > 0.0)\n {\n result[1].xyz /= result[1].w;\n }\n#endif\n\n// optionally compute the 3rd component\n#if vtkNumComponents >= 3 && !defined(vtkComponent2Proportional)\n result[2].xyz = vec3(distX.b, distY.b, distZ.b);\n result[2].a = length(result[2].xyz);\n result[2].xyz *= rot;\n if (result[2].w > 0.0)\n {\n result[2].xyz /= result[2].w;\n }\n#endif\n\n// optionally compute the 4th component\n#if vtkNumComponents >= 4 && !defined(vtkComponent3Proportional)\n result[3].xyz = vec3(distX.a, distY.a, distZ.a);\n result[3].a = length(result[3].xyz);\n result[3].xyz *= rot;\n if (result[3].w > 0.0)\n {\n result[3].xyz /= result[3].w;\n }\n#endif\n\n return result;\n}\n\n//=======================================================================\n// global shadow - secondary ray\n#if defined(VolumeShadowOn) || defined(localAmbientOcclusionOn)\nfloat random()\n{\n float rand = fract(sin(dot(gl_FragCoord.xy,vec2(12.9898,78.233)))*43758.5453123);\n float jitter=texture2D(jtexture,gl_FragCoord.xy/32.).r;\n uint pcg_state = floatBitsToUint(jitter);\n uint state = pcg_state;\n pcg_state = pcg_state * uint(747796405) + uint(2891336453);\n uint word = ((state >> ((state >> uint(28)) + uint(4))) ^ state) * uint(277803737);\n return (float((((word >> uint(22)) ^ word) >> 1 ))/float(2147483647) + rand)/2.0;\n}\n#endif\n\n#ifdef VolumeShadowOn\n// henyey greenstein phase function\nfloat phase_function(float cos_angle)\n{\n // divide by 2.0 instead of 4pi to increase intensity\n return ((1.0-anisotropy2)/pow(1.0+anisotropy2-2.0*anisotropy*cos_angle, 1.5))/2.0;\n}\n\n// Computes the intersection between a ray and a box\nstruct Hit\n{\n float tmin;\n float tmax;\n};\n\nstruct Ray\n{\n vec3 origin;\n vec3 dir;\n vec3 invDir;\n};\n\nbool BBoxIntersect(vec3 boundMin, vec3 boundMax, const Ray r, out Hit hit)\n{\n vec3 tbot = r.invDir * (boundMin - r.origin);\n vec3 ttop = r.invDir * (boundMax - r.origin);\n vec3 tmin = min(ttop, tbot);\n vec3 tmax = max(ttop, tbot);\n vec2 t = max(tmin.xx, tmin.yz);\n float t0 = max(t.x, t.y);\n t = min(tmax.xx, tmax.yz);\n float t1 = min(t.x, t.y);\n hit.tmin = t0;\n hit.tmax = t1;\n return t1 > max(t0,0.0);\n}\n\n// As BBoxIntersect requires the inverse of the ray coords,\n// this function is used to avoid numerical issues\nvoid safe_0_vector(inout Ray ray)\n{\n if(abs(ray.dir.x) < EPSILON) ray.dir.x = sign(ray.dir.x) * EPSILON;\n if(abs(ray.dir.y) < EPSILON) ray.dir.y = sign(ray.dir.y) * EPSILON;\n if(abs(ray.dir.z) < EPSILON) ray.dir.z = sign(ray.dir.z) * EPSILON;\n}\n\nfloat volume_shadow(vec3 posIS, vec3 lightDirNormIS)\n{\n float shadow = 1.0;\n float opacity = 0.0;\n\n // modify sample distance with a random number between 1.5 and 3.0\n float sampleDistanceISVS_jitter = sampleDistanceISVS * mix(1.5, 3.0, random());\n float opacityPrev = texture2D(otexture, vec2(getTextureValue(posIS).r * oscale0 + oshift0, 0.5)).r;\n\n // in case the first sample near surface has a very tiled light ray, we need to offset start position\n posIS += sampleDistanceISVS_jitter * lightDirNormIS;\n\n // compute the start and end points for the ray\n Ray ray;\n Hit hit;\n ray.origin = posIS;\n ray.dir = lightDirNormIS;\n safe_0_vector(ray);\n ray.invDir = 1.0/ray.dir;\n\n if(!BBoxIntersect(vec3(0.0),vec3(1.0), ray, hit))\n {\n return 1.0;\n }\n float maxdist = hit.tmax;\n\n // interpolate shadow ray length between: 1 unit of sample distance in IS to SQRT3, based on globalIlluminationReach\n float maxgi = mix(sampleDistanceISVS_jitter,SQRT3,giReach);\n maxdist = min(maxdist,maxgi);\n if(maxdist < EPSILON) {\n return 1.0;\n }\n\n // support gradient opacity\n #ifdef vtkGradientOpacityOn\n vec4 normal;\n #endif\n\n float current_dist = 0.0;\n float current_step = length(sampleDistanceISVS_jitter * lightDirNormIS);\n float clamped_step = 0.0;\n\n vec4 scalar = vec4(0.0);\n while(current_dist < maxdist)\n {\n#ifdef vtkClippingPlanesOn\n vec3 posVC = IStoVC(posIS);\n for (int i = 0; i < clip_numPlanes; ++i)\n {\n if (dot(vec3(vClipPlaneOrigins[i] - posVC), vClipPlaneNormals[i]) > 0.0)\n {\n current_dist = maxdist;\n }\n }\n#endif\n scalar = getTextureValue(posIS);\n opacity = texture2D(otexture, vec2(scalar.r * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n normal = computeNormal(posIS, vec3(1.0/vec3(volumeDimensions)));\n opacity *= computeGradientOpacityFactor(normal.w, goscale0, goshift0, gomin0, gomax0);\n #endif\n shadow *= 1.0 - opacity;\n\n // optimization: early termination\n if (shadow < EPSILON){\n return 0.0;\n }\n\n clamped_step = min(maxdist - current_dist, current_step);\n posIS += clamped_step * lightDirNormIS;\n current_dist += current_step;\n }\n\n return shadow;\n}\n\nvec3 applyShadowRay(vec3 tColor, vec3 posIS, vec3 viewDirectionVC)\n{\n vec3 vertLight = vec3(0.0);\n vec3 secondary_contrib = vec3(0.0);\n // here we assume only positional light, no effect of cones\n for (int i = 0; i < lightNum; i++)\n {\n #if(vtkLightComplexity==3)\n if (lightPositional[i] == 1){\n vertLight = lightPositionVC[i] - IStoVC(posIS);\n }else{\n vertLight = - lightDirectionVC[i];\n }\n #else\n vertLight = - lightDirectionVC[i];\n #endif\n // here we assume achromatic light, only intensity\n float dDotL = dot(viewDirectionVC, normalize(vertLight));\n // isotropic scatter returns 0.5 instead of 1/4pi to increase intensity\n float phase_attenuation = 0.5;\n if (abs(anisotropy) > EPSILON){\n phase_attenuation = phase_function(dDotL);\n }\n float vol_shadow = volume_shadow(posIS, normalize(rotateToIDX(vertLight)));\n secondary_contrib += tColor * vDiffuse * lightColor[i] * vol_shadow * phase_attenuation;\n secondary_contrib += tColor * vAmbient;\n }\n return secondary_contrib;\n}\n#endif\n\n//=======================================================================\n// local ambient occlusion\n#ifdef localAmbientOcclusionOn\nvec3 sample_direction_uniform(int i)\n{\n float rand = random() * 0.5;\n float theta = PI2 * (kernelSample[i][0] + rand);\n float phi = acos(2.0 * (kernelSample[i][1] + rand) -1.0) / 2.5;\n return normalize(vec3(cos(theta)*sin(phi), sin(theta)*sin(phi), cos(phi)));\n}\n\n// return a matrix that transform startDir into z axis; startDir should be normalized\nmat3 zBaseRotationalMatrix(vec3 startDir){\n vec3 axis = cross(startDir, vec3(0.0,0.0,1.0));\n float cosA = startDir.z;\n float k = 1.0 / (1.0 + cosA);\n mat3 matrix = mat3((axis.x * axis.x * k) + cosA, (axis.y * axis.x * k) - axis.z, (axis.z * axis.x * k) + axis.y,\n (axis.x * axis.y * k) + axis.z, (axis.y * axis.y * k) + cosA, (axis.z * axis.y * k) - axis.x,\n (axis.x * axis.z * k) - axis.y, (axis.y * axis.z * k) + axis.x, (axis.z * axis.z * k) + cosA);\n return matrix;\n}\n\nfloat computeLAO(vec3 posIS, float op, vec3 lightDir, vec4 normal){\n // apply LAO only at selected locations, otherwise return full brightness\n if (normal.w > 0.0 && op > 0.05){\n float total_transmittance = 0.0;\n mat3 inverseRotateBasis = inverse(zBaseRotationalMatrix(normalize(-normal.xyz)));\n vec3 currPos, randomDirStep;\n float weight, transmittance, opacity;\n for (int i = 0; i < kernelSize; i++)\n {\n randomDirStep = inverseRotateBasis * sample_direction_uniform(i) * sampleDistanceIS;\n weight = 1.0 - dot(normalize(lightDir), normalize(randomDirStep));\n currPos = posIS;\n transmittance = 1.0;\n for (int j = 0; j < kernelRadius ; j++){\n currPos += randomDirStep;\n // check if it's at clipping plane, if so return full brightness\n if (all(greaterThan(currPos, vec3(EPSILON))) && all(lessThan(currPos,vec3(1.0-EPSILON)))){\n opacity = texture2D(otexture, vec2(getTextureValue(currPos).r * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n opacity *= computeGradientOpacityFactor(normal.w, goscale0, goshift0, gomin0, gomax0);\n #endif\n transmittance *= 1.0 - opacity;\n }\n else{\n break;\n }\n }\n total_transmittance += transmittance / float(kernelRadius) * weight;\n\n // early termination if fully translucent\n if (total_transmittance > 1.0 - EPSILON){\n return 1.0;\n }\n }\n // average transmittance and reduce variance\n return clamp(total_transmittance / float(kernelSize), 0.3, 1.0);\n } else {\n return 1.0;\n }\n}\n#endif\n\n//=======================================================================\n// surface light contribution\n#if vtkLightComplexity > 0\n void applyLighting(inout vec3 tColor, vec4 normal)\n {\n vec3 diffuse = vec3(0.0, 0.0, 0.0);\n vec3 specular = vec3(0.0, 0.0, 0.0);\n float df, sf = 0.0;\n for (int i = 0; i < lightNum; i++){\n df = abs(dot(normal.rgb, -lightDirectionVC[i]));\n diffuse += df * lightColor[i];\n sf = pow( abs(dot(lightHalfAngleVC[i],normal.rgb)), vSpecularPower);\n specular += sf * lightColor[i];\n }\n tColor.rgb = tColor.rgb*(diffuse*vDiffuse + vAmbient) + specular*vSpecular;\n }\n #ifdef SurfaceShadowOn\n #if vtkLightComplexity < 3\n vec3 applyLightingDirectional(vec3 posIS, vec4 tColor, vec4 normal)\n {\n // everything in VC\n vec3 diffuse = vec3(0.0);\n vec3 specular = vec3(0.0);\n #ifdef localAmbientOcclusionOn\n vec3 ambient = vec3(0.0);\n #endif\n vec3 vertLightDirection;\n for (int i = 0; i < lightNum; i++){\n float ndotL,vdotR;\n vertLightDirection = lightDirectionVC[i];\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n }\n #ifdef localAmbientOcclusionOn\n return tColor.rgb * (diffuse * vDiffuse + vAmbient * ambient) + specular*vSpecular;\n #else\n return tColor.rgb * (diffuse * vDiffuse + vAmbient) + specular*vSpecular;\n #endif\n }\n #else\n vec3 applyLightingPositional(vec3 posIS, vec4 tColor, vec4 normal, vec3 posVC)\n {\n // everything in VC\n vec3 diffuse = vec3(0.0);\n vec3 specular = vec3(0.0);\n #ifdef localAmbientOcclusionOn\n vec3 ambient = vec3(0.0);\n #endif\n vec3 vertLightDirection;\n for (int i = 0; i < lightNum; i++){\n float distance,attenuation,ndotL,vdotR;\n vec3 lightDir;\n if (lightPositional[i] == 1){\n lightDir = lightDirectionVC[i];\n vertLightDirection = posVC - lightPositionVC[i];\n distance = length(vertLightDirection);\n vertLightDirection = normalize(vertLightDirection);\n attenuation = 1.0 / (lightAttenuation[i].x\n + lightAttenuation[i].y * distance\n + lightAttenuation[i].z * distance * distance);\n // per OpenGL standard cone angle is 90 or less for a spot light\n if (lightConeAngle[i] <= 90.0){\n float coneDot = dot(vertLightDirection, lightDir);\n if (coneDot >= cos(radians(lightConeAngle[i]))){ // if inside cone\n attenuation = attenuation * pow(coneDot, lightExponent[i]);\n }\n else {\n attenuation = 0.0;\n }\n }\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * attenuation * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * attenuation * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n } else {\n vertLightDirection = lightDirectionVC[i];\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n }\n }\n #ifdef localAmbientOcclusionOn\n return tColor.rgb * (diffuse * vDiffuse + vAmbient * ambient) + specular*vSpecular;\n #else\n return tColor.rgb * (diffuse * vDiffuse + vAmbient) + specular*vSpecular;\n #endif\n }\n #endif\n #endif\n#endif\n\n//=======================================================================\n// Given a texture value compute the color and opacity\n//\nvec4 getColorForValue(vec4 tValue, vec3 posIS, vec3 tstep)\n{\n#ifdef vtkImageLabelOutlineOn\n vec3 centerPosIS = fragCoordToIndexSpace(gl_FragCoord); // pos in texture space\n vec4 centerValue = getTextureValue(centerPosIS);\n bool pixelOnBorder = false;\n vec4 tColor = texture2D(ctexture, vec2(centerValue.r * cscale0 + cshift0, 0.5));\n\n // Get alpha of segment from opacity function.\n tColor.a = texture2D(otexture, vec2(centerValue.r * oscale0 + oshift0, 0.5)).r;\n\n int segmentIndex = int(centerValue.r * 255.0);\n \n // Use texture sampling for outlineThickness\n float textureCoordinate = float(segmentIndex - 1) / 1024.0;\n float textureValue = texture2D(ttexture, vec2(textureCoordinate, 0.5)).r;\n\n int actualThickness = int(textureValue * 255.0);\n\n if (actualThickness == 0) {\n return vec4(0, 0, 1, 1);\n }\n\n // Only perform outline check on fragments rendering voxels that aren't invisible.\n // Saves a bunch of needless checks on the background.\n // TODO define epsilon when building shader?\n if (float(tColor.a) > 0.01) {\n for (int i = -actualThickness; i <= actualThickness; i++) {\n for (int j = -actualThickness; j <= actualThickness; j++) {\n if (i == 0 || j == 0) {\n continue;\n }\n\n vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n gl_FragCoord.y + float(j),\n gl_FragCoord.z, gl_FragCoord.w);\n\n vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n vec4 value = getTextureValue(neighborPosIS);\n\n // If any of my neighbours are not the same value as I\n // am, this means I am on the border of the segment.\n // We can break the loops\n if (any(notEqual(value, centerValue))) {\n pixelOnBorder = true;\n break;\n }\n }\n\n if (pixelOnBorder == true) {\n break;\n }\n }\n\n // If I am on the border, I am displayed at full opacity\n if (pixelOnBorder == true) {\n tColor.a = outlineOpacity;\n }\n }\n\n#else\n // compute the normal and gradient magnitude if needed\n // We compute it as a vec4 if possible otherwise a mat4\n //\n vec4 goFactor = vec4(1.0,1.0,1.0,1.0);\n\n // compute the normal vectors as needed\n #if (vtkLightComplexity > 0) || defined(vtkGradientOpacityOn)\n #if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\n mat4 normalMat = computeMat4Normal(posIS, tValue, tstep);\n #if !defined(vtkComponent0Proportional)\n vec4 normal0 = normalMat[0];\n #endif\n #if !defined(vtkComponent1Proportional)\n vec4 normal1 = normalMat[1];\n #endif\n #if vtkNumComponents > 2\n #if !defined(vtkComponent2Proportional)\n vec4 normal2 = normalMat[2];\n #endif\n #if vtkNumComponents > 3\n #if !defined(vtkComponent3Proportional)\n vec4 normal3 = normalMat[3];\n #endif\n #endif\n #endif\n #else\n vec4 normalLight;\n #ifdef vtkComputeNormalFromOpacity\n vec3 scalarInterp[2];\n vec4 normal0 = computeNormalForDensity(posIS, tstep, scalarInterp);\n if (length(normal0)>0.0){\n #ifdef vtkGradientOpacityOn\n normalLight = computeDensityNormal(normal0.w, scalarInterp);\n #else\n normalLight = computeDensityNormal(scalarInterp);\n #endif\n if (length(normalLight) == 0.0){\n normalLight = normal0;\n }\n }\n #else\n vec4 normal0 = computeNormal(posIS, tstep);\n normalLight = normal0;\n #endif\n #endif\n #endif\n\n // compute gradient opacity factors as needed\n #if defined(vtkGradientOpacityOn)\n #if !defined(vtkComponent0Proportional)\n goFactor.x =\n computeGradientOpacityFactor(normal0.a, goscale0, goshift0, gomin0, gomax0);\n #endif\n #if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\n #if !defined(vtkComponent1Proportional)\n goFactor.y =\n computeGradientOpacityFactor(normal1.a, goscale1, goshift1, gomin1, gomax1);\n #endif\n #if vtkNumComponents > 2\n #if !defined(vtkComponent2Proportional)\n goFactor.z =\n computeGradientOpacityFactor(normal2.a, goscale2, goshift2, gomin2, gomax2);\n #endif\n #if vtkNumComponents > 3\n #if !defined(vtkComponent3Proportional)\n goFactor.w =\n computeGradientOpacityFactor(normal3.a, goscale3, goshift3, gomin3, gomax3);\n #endif\n #endif\n #endif\n #endif\n #endif\n\n // single component is always independent\n #if vtkNumComponents == 1\n vec4 tColor = texture2D(ctexture, vec2(tValue.r * cscale0 + cshift0, 0.5));\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n if (tColor.a < EPSILON){\n return vec4(0.0);\n }\n #endif\n\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n vec4 tColor = mix0*texture2D(ctexture, vec2(tValue.r * cscale0 + cshift0, height0));\n #if !defined(vtkComponent0Proportional)\n tColor.a = goFactor.x*mix0*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, height0)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, height0)).r;\n tColor *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix0));\n #endif\n\n vec3 tColor1 = mix1*texture2D(ctexture, vec2(tValue.g * cscale1 + cshift1, height1)).rgb;\n #if !defined(vtkComponent1Proportional)\n tColor.a += goFactor.y*mix1*texture2D(otexture, vec2(tValue.g * oscale1 + oshift1, height1)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.g * oscale1 + oshift1, height1)).r;\n tColor1 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix1));\n #endif\n\n #if vtkNumComponents >= 3\n vec3 tColor2 = mix2*texture2D(ctexture, vec2(tValue.b * cscale2 + cshift2, height2)).rgb;\n #if !defined(vtkComponent2Proportional)\n tColor.a += goFactor.z*mix2*texture2D(otexture, vec2(tValue.b * oscale2 + oshift2, height2)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.b * oscale2 + oshift2, height2)).r;\n tColor2 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix2));\n #endif\n\n #if vtkNumComponents >= 4\n vec3 tColor3 = mix3*texture2D(ctexture, vec2(tValue.a * cscale3 + cshift3, height3)).rgb;\n #if !defined(vtkComponent3Proportional)\n tColor.a += goFactor.w*mix3*texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, height3)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, height3)).r;\n tColor3 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix3));\n #endif\n #endif\n #endif\n #else // then not independent\n\n #if vtkNumComponents == 2\n float lum = tValue.r * cscale0 + cshift0;\n float alpha = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale1 + oshift1, 0.5)).r;\n vec4 tColor = vec4(lum, lum, lum, alpha);\n #endif\n #if vtkNumComponents == 3\n vec4 tColor;\n tColor.r = tValue.r * cscale0 + cshift0;\n tColor.g = tValue.g * cscale1 + cshift1;\n tColor.b = tValue.b * cscale2 + cshift2;\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale0 + oshift0, 0.5)).r;\n #endif\n #if vtkNumComponents == 4\n vec4 tColor;\n tColor.r = tValue.r * cscale0 + cshift0;\n tColor.g = tValue.g * cscale1 + cshift1;\n tColor.b = tValue.b * cscale2 + cshift2;\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, 0.5)).r;\n #endif\n #endif // dependent\n\n // apply lighting if requested as appropriate\n #if vtkLightComplexity > 0\n #if !defined(vtkComponent0Proportional)\n #if vtkNumComponents == 1\n #ifdef SurfaceShadowOn\n #if vtkLightComplexity < 3\n vec3 tColorS = applyLightingDirectional(posIS, tColor, normalLight);\n #else\n vec3 tColorS = applyLightingPositional(posIS, tColor, normalLight, IStoVC(posIS));\n #endif\n #endif\n\n #ifdef VolumeShadowOn\n vec3 tColorVS = applyShadowRay(tColor.rgb, posIS, rayDirVC);\n #ifdef SurfaceShadowOn\n float vol_coef = volumetricScatteringBlending * (1.0 - tColor.a / 2.0) * (1.0 - atan(normalLight.w) * INV4PI);\n tColor.rgb = (1.0-vol_coef) * tColorS + vol_coef * tColorVS;\n #else\n tColor.rgb = tColorVS;\n #endif\n #else\n tColor.rgb = tColorS;\n #endif\n\n #else\n applyLighting(tColor.rgb, normal0);\n #endif\n #endif\n\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n #if !defined(vtkComponent1Proportional)\n applyLighting(tColor1, normal1);\n #endif\n #if vtkNumComponents >= 3\n #if !defined(vtkComponent2Proportional)\n applyLighting(tColor2, normal2);\n #endif\n #if vtkNumComponents >= 4\n #if !defined(vtkComponent3Proportional)\n applyLighting(tColor3, normal3);\n #endif\n #endif\n #endif\n #endif\n #endif\n\n// perform final independent blend as needed\n#if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n tColor.rgb += tColor1;\n#if vtkNumComponents >= 3\n tColor.rgb += tColor2;\n#if vtkNumComponents >= 4\n tColor.rgb += tColor3;\n#endif\n#endif\n#endif\n\n#endif\nreturn tColor;\n}\n\nbool valueWithinScalarRange(vec4 val, vec4 min, vec4 max) {\n bool withinRange = false;\n #if vtkNumComponents == 1\n if (val.r >= min.r && val.r <= max.r) {\n withinRange = true;\n }\n #endif\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents == 2\n if (val.r >= min.r && val.r <= max.r &&\n val.g >= min.g && val.g <= max.g) {\n withinRange = true;\n }\n #endif\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 3\n if (all(greaterThanEqual(val, ipScalarRangeMin)) &&\n all(lessThanEqual(val, ipScalarRangeMax))) {\n withinRange = true;\n }\n #endif\n return withinRange;\n}\n\n//=======================================================================\n// Apply the specified blend mode operation along the ray's path.\n//\nvoid applyBlend(vec3 posIS, vec3 endIS, vec3 tdims)\n{\n vec3 tstep = 1.0/tdims;\n\n // start slightly inside and apply some jitter\n vec3 delta = endIS - posIS;\n vec3 stepIS = normalize(delta)*sampleDistanceIS;\n float raySteps = length(delta)/sampleDistanceIS;\n\n // avoid 0.0 jitter\n float jitter = 0.01 + 0.99*texture2D(jtexture, gl_FragCoord.xy/32.0).r;\n float stepsTraveled = jitter;\n\n // local vars for the loop\n vec4 color = vec4(0.0, 0.0, 0.0, 0.0);\n vec4 tValue;\n vec4 tColor;\n\n // if we have less than one step then pick the middle point\n // as our value\n // if (raySteps <= 1.0)\n // {\n // posIS = (posIS + endIS)*0.5;\n // }\n\n // Perform initial step at the volume boundary\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n #if vtkBlendMode == 0 // COMPOSITE_BLEND\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n\n // handle very thin volumes\n if (raySteps <= 1.0)\n {\n tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps);\n gl_FragData[0] = tColor;\n return;\n }\n\n tColor.a = 1.0 - pow(1.0 - tColor.a, jitter);\n color = vec4(tColor.rgb*tColor.a, tColor.a);\n posIS += (jitter*stepIS);\n\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n\n float mix = (1.0 - color.a);\n\n // this line should not be needed but nvidia seems to not handle\n // the break correctly on windows/chrome 58 angle\n //mix = mix * sign(max(raySteps - stepsTraveled - 1.0, 0.0));\n\n color = color + vec4(tColor.rgb*tColor.a, tColor.a)*mix;\n stepsTraveled++;\n posIS += stepIS;\n if (color.a > 0.99) { color.a = 1.0; break; }\n }\n\n if (color.a < 0.99 && (raySteps - stepsTraveled) > 0.0)\n {\n posIS = endIS;\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps - stepsTraveled);\n\n float mix = (1.0 - color.a);\n color = color + vec4(tColor.rgb*tColor.a, tColor.a)*mix;\n }\n\n gl_FragData[0] = vec4(color.rgb/color.a, color.a);\n #endif\n #if vtkBlendMode == 1 || vtkBlendMode == 2\n // MAXIMUM_INTENSITY_BLEND || MINIMUM_INTENSITY_BLEND\n // Find maximum/minimum intensity along the ray.\n\n // Define the operation we will use (min or max)\n #if vtkBlendMode == 1\n #define OP max\n #else\n #define OP min\n #endif\n\n // If the clipping range is shorter than the sample distance\n // we can skip the sampling loop along the ray.\n if (raySteps <= 1.0)\n {\n gl_FragData[0] = getColorForValue(tValue, posIS, tstep);\n return;\n }\n\n vec4 value = tValue;\n posIS += (jitter*stepIS);\n\n // Sample along the ray until MaximumSamplesValue,\n // ending slightly inside the total distance\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n // If we have reached the last step, break\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // Update the maximum value if necessary\n value = OP(tValue, value);\n\n // Otherwise, continue along the ray\n stepsTraveled++;\n posIS += stepIS;\n }\n\n // Perform the last step along the ray using the\n // residual distance\n posIS = endIS;\n tValue = getTextureValue(posIS);\n value = OP(tValue, value);\n\n // Now map through opacity and color\n gl_FragData[0] = getColorForValue(value, posIS, tstep);\n #endif\n #if vtkBlendMode == 3 || vtkBlendMode == 4 //AVERAGE_INTENSITY_BLEND || ADDITIVE_BLEND\n vec4 sum = vec4(0.);\n\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n sum += tValue;\n }\n\n if (raySteps <= 1.0) {\n gl_FragData[0] = getColorForValue(sum, posIS, tstep);\n return;\n }\n\n posIS += (jitter*stepIS);\n\n // Sample along the ray until MaximumSamplesValue,\n // ending slightly inside the total distance\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n // If we have reached the last step, break\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // One can control the scalar range by setting the AverageIPScalarRange to disregard scalar values, not in the range of interest, from the average computation.\n // Notes:\n // - We are comparing all values in the texture to see if any of them\n // are outside of the scalar range. In the future we might want to allow\n // scalar ranges for each component.\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n // Sum the values across each step in the path\n sum += tValue;\n }\n stepsTraveled++;\n posIS += stepIS;\n }\n\n // Perform the last step along the ray using the\n // residual distance\n posIS = endIS;\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // One can control the scalar range by setting the IPScalarRange to disregard scalar values, not in the range of interest, from the average computation\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n sum += tValue;\n\n stepsTraveled++;\n }\n\n #if vtkBlendMode == 3 // Average\n sum /= vec4(stepsTraveled, stepsTraveled, stepsTraveled, 1.0);\n #endif\n\n gl_FragData[0] = getColorForValue(sum, posIS, tstep);\n #endif\n #if vtkBlendMode == 5 // RADON\n float normalizedRayIntensity = 1.0;\n\n // handle very thin volumes\n if (raySteps <= 1.0)\n {\n tValue = getTextureValue(posIS);\n normalizedRayIntensity = normalizedRayIntensity - sampleDistance*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n gl_FragData[0] = texture2D(ctexture, vec2(normalizedRayIntensity, 0.5));\n return;\n }\n\n posIS += (jitter*stepIS);\n\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar value\n tValue = getTextureValue(posIS);\n\n // Convert scalar value to normalizedRayIntensity coefficient and accumulate normalizedRayIntensity\n normalizedRayIntensity = normalizedRayIntensity - sampleDistance*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n\n posIS += stepIS;\n stepsTraveled++;\n }\n\n // map normalizedRayIntensity to color\n gl_FragData[0] = texture2D(ctexture, vec2(normalizedRayIntensity , 0.5));\n\n #endif\n}\n\n//=======================================================================\n// Compute a new start and end point for a given ray based\n// on the provided bounded clipping plane (aka a rectangle)\nvoid getRayPointIntersectionBounds(\n vec3 rayPos, vec3 rayDir,\n vec3 planeDir, float planeDist,\n inout vec2 tbounds, vec3 vPlaneX, vec3 vPlaneY,\n float vSize1, float vSize2)\n{\n float result = dot(rayDir, planeDir);\n if (abs(result) < 1e-6)\n {\n return;\n }\n result = -1.0 * (dot(rayPos, planeDir) + planeDist) / result;\n vec3 xposVC = rayPos + rayDir*result;\n vec3 vxpos = xposVC - vOriginVC;\n vec2 vpos = vec2(\n dot(vxpos, vPlaneX),\n dot(vxpos, vPlaneY));\n\n // on some apple nvidia systems this does not work\n // if (vpos.x < 0.0 || vpos.x > vSize1 ||\n // vpos.y < 0.0 || vpos.y > vSize2)\n // even just\n // if (vpos.x < 0.0 || vpos.y < 0.0)\n // fails\n // so instead we compute a value that represents in and out\n //and then compute the return using this value\n float xcheck = max(0.0, vpos.x * (vpos.x - vSize1)); // 0 means in bounds\n float check = sign(max(xcheck, vpos.y * (vpos.y - vSize2))); // 0 means in bounds, 1 = out\n\n tbounds = mix(\n vec2(min(tbounds.x, result), max(tbounds.y, result)), // in value\n tbounds, // out value\n check); // 0 in 1 out\n}\n\n//=======================================================================\n// given a\n// - ray direction (rayDir)\n// - starting point (vertexVCVSOutput)\n// - bounding planes of the volume\n// - optionally depth buffer values\n// - far clipping plane\n// compute the start/end distances of the ray we need to cast\nvec2 computeRayDistances(vec3 rayDir, vec3 tdims)\n{\n vec2 dists = vec2(100.0*camFar, -1.0);\n\n vec3 vSize = vSpacing*tdims;\n\n // all this is in View Coordinates\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal0, vPlaneDistance0, dists, vPlaneNormal2, vPlaneNormal4,\n vSize.y, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal1, vPlaneDistance1, dists, vPlaneNormal2, vPlaneNormal4,\n vSize.y, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal2, vPlaneDistance2, dists, vPlaneNormal0, vPlaneNormal4,\n vSize.x, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal3, vPlaneDistance3, dists, vPlaneNormal0, vPlaneNormal4,\n vSize.x, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal4, vPlaneDistance4, dists, vPlaneNormal0, vPlaneNormal2,\n vSize.x, vSize.y);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal5, vPlaneDistance5, dists, vPlaneNormal0, vPlaneNormal2,\n vSize.x, vSize.y);\n\n //VTK::ClipPlane::Impl\n\n // do not go behind front clipping plane\n dists.x = max(0.0,dists.x);\n\n // do not go PAST far clipping plane\n float farDist = -camThick/rayDir.z;\n dists.y = min(farDist,dists.y);\n\n // Do not go past the zbuffer value if set\n // This is used for intermixing opaque geometry\n //VTK::ZBuffer::Impl\n\n return dists;\n}\n\n//=======================================================================\n// Compute the index space starting position (pos) and end\n// position\n//\nvoid computeIndexSpaceValues(out vec3 pos, out vec3 endPos, vec3 rayDir, vec2 dists)\n{\n // compute starting and ending values in volume space\n pos = vertexVCVSOutput + dists.x*rayDir;\n pos = pos - vOriginVC;\n // convert to volume basis and origin\n pos = vec3(\n dot(pos, vPlaneNormal0),\n dot(pos, vPlaneNormal2),\n dot(pos, vPlaneNormal4));\n\n endPos = vertexVCVSOutput + dists.y*rayDir;\n endPos = endPos - vOriginVC;\n endPos = vec3(\n dot(endPos, vPlaneNormal0),\n dot(endPos, vPlaneNormal2),\n dot(endPos, vPlaneNormal4));\n\n float delta = length(endPos - pos);\n\n pos *= vVCToIJK;\n endPos *= vVCToIJK;\n\n float delta2 = length(endPos - pos);\n sampleDistanceIS = sampleDistance*delta2/delta;\n #ifdef VolumeShadowOn\n sampleDistanceISVS = sampleDistanceIS * volumeShadowSamplingDistFactor;\n #endif\n}\n\nvoid main()\n{\n\n if (cameraParallel == 1)\n {\n // Camera is parallel, so the rayDir is just the direction of the camera.\n rayDirVC = vec3(0.0, 0.0, -1.0);\n } else {\n // camera is at 0,0,0 so rayDir for perspective is just the vc coord\n rayDirVC = normalize(vertexVCVSOutput);\n }\n\n vec3 tdims = vec3(volumeDimensions);\n\n // compute the start and end points for the ray\n vec2 rayStartEndDistancesVC = computeRayDistances(rayDirVC, tdims);\n\n // do we need to composite? aka does the ray have any length\n // If not, bail out early\n if (rayStartEndDistancesVC.y <= rayStartEndDistancesVC.x)\n {\n discard;\n }\n\n // IS = Index Space\n vec3 posIS;\n vec3 endIS;\n computeIndexSpaceValues(posIS, endIS, rayDirVC, rayStartEndDistancesVC);\n\n // Perform the blending operation along the ray\n applyBlend(posIS, endIS, tdims);\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let i=n.Fragment;o.getProperty().getInterpolationType()===el.LINEAR&&(i=Ca.substitute(i,"//VTK::TrilinearOn","#define vtkTrilinearOn").result),!0===o.getProperty().getUseLabelOutline()&&(i=Ca.substitute(i,"//VTK::ImageLabelOutlineOn","#define vtkImageLabelOutlineOn").result);const a=t.scalarTexture.getComponents();i=Ca.substitute(i,"//VTK::NumComponents",`#define vtkNumComponents ${a}`).result;const s=o.getProperty().getIndependentComponents();if(s){i=Ca.substitute(i,"//VTK::IndependentComponentsOn","#define vtkIndependentComponentsOn").result;const e=[];for(let t=0;t0&&(i=Ca.substitute(i,"//VTK::vtkProportionalComponents",e.join("\n")).result)}const l=t.currentInput.getSpatialExtent(),u=t.currentInput.getSpacing(),c=new Float64Array(3);jt(c,(l[1]-l[0])*u[0],(l[3]-l[2])*u[1],(l[5]-l[4])*u[2]);const d=Gt(c)/e.getCurrentSampleDistance(r);i=Ca.substitute(i,"//VTK::MaximumSamplesValue",`${Math.ceil(d)}`).result,i=Ca.substitute(i,"//VTK::LightComplexity",`#define vtkLightComplexity ${t.lastLightComplexity}`).result,t.lastLightComplexity>0&&(t.renderable.getVolumetricScatteringBlending()>0&&(i=Ca.substitute(i,"//VTK::VolumeShadowOn","#define VolumeShadowOn").result),t.renderable.getVolumetricScatteringBlending()<1&&(i=Ca.substitute(i,"//VTK::SurfaceShadowOn","#define SurfaceShadowOn").result),t.renderable.getLocalAmbientOcclusion()&&o.getProperty().getAmbient()>0&&(i=Ca.substitute(i,"//VTK::localAmbientOcclusionOn","#define localAmbientOcclusionOn").result)),t.gopacity=o.getProperty().getUseGradientOpacity(0);for(let e=1;s&&!t.gopacity&&e{if(0===t.lastLightComplexity)return;let o=e.Fragment,i=0;n.getLights().forEach((e=>{e.getSwitch()&&(i+=1)})),o=Ca.substitute(o,"//VTK::Light::Dec",["uniform int lightNum;","uniform bool twoSidedLighting;",`uniform vec3 lightColor[${i}];`,`uniform vec3 lightDirectionVC[${i}]; // normalized`,`uniform vec3 lightHalfAngleVC[${i}];`,"//VTK::Light::Dec"],!1).result,3===t.lastLightComplexity&&(o=Ca.substitute(o,"//VTK::Light::Dec",[`uniform vec3 lightPositionVC[${i}];`,`uniform vec3 lightAttenuation[${i}];`,`uniform float lightConeAngle[${i}];`,`uniform float lightExponent[${i}];`,`uniform int lightPositional[${i}];`],!1).result),t.renderable.getVolumetricScatteringBlending()>0&&(o=Ca.substitute(o,"//VTK::VolumeShadow::Dec",["uniform float volumetricScatteringBlending;","uniform float giReach;","uniform float volumeShadowSamplingDistFactor;","uniform float anisotropy;","uniform float anisotropy2;"],!1).result),t.renderable.getLocalAmbientOcclusion()&&r.getProperty().getAmbient()>0&&(o=Ca.substitute(o,"//VTK::LAO::Dec",["uniform int kernelRadius;",`uniform vec2 kernelSample[${t.renderable.getLAOKernelRadius()}];`,"uniform int kernelSize;"],!1).result),e.Fragment=o},e.replaceShaderClippingPlane=(e,n,r)=>{let o=e.Fragment;if(t.renderable.getClippingPlanes().length>0){const e=t.renderable.getClippingPlanes().length;o=Ca.substitute(o,"//VTK::ClipPlane::Dec",["uniform vec3 vClipPlaneNormals[6];","uniform float vClipPlaneDistances[6];","uniform vec3 vClipPlaneOrigins[6];","uniform int clip_numPlanes;","//VTK::ClipPlane::Dec","#define vtkClippingPlanesOn"],!1).result,o=Ca.substitute(o,"//VTK::ClipPlane::Impl",[`for(int i = 0; i < ${e}; i++) {`," float rayDirRatio = dot(rayDir, vClipPlaneNormals[i]);"," float equationResult = dot(vertexVCVSOutput, vClipPlaneNormals[i]) + vClipPlaneDistances[i];"," if (rayDirRatio == 0.0)"," {"," if (equationResult < 0.0) dists.x = dists.y;"," continue;"," }"," float result = -1.0 * equationResult / rayDirRatio;"," if (rayDirRatio < 0.0) dists.y = min(dists.y, result);"," else dists.x = max(dists.x, result);","}","//VTK::ClipPlane::Impl"],!1).result}e.Fragment=o},e.getNeedToRebuildShaders=(n,r,o)=>{let i=0;o.getProperty().getShade()&&t.renderable.getBlendMode()===rl.COMPOSITE_BLEND&&(i=0,t.numberOfLights=0,r.getLights().forEach((e=>{e.getSwitch()>0&&(t.numberOfLights++,0===i&&(i=1)),1===i&&(t.numberOfLights>1||1!==e.getIntensity()||!e.lightTypeIsHeadLight())&&(i=2),i<3&&e.getPositional()&&(i=3)})));let a=!1;t.lastLightComplexity!==i&&(t.lastLightComplexity=i,a=!0);const s=t.scalarTexture.getComponents(),l=o.getProperty().getIndependentComponents();let u=!1;const c=[];if(l){for(let e=0;e0&&(u=!0)}const d=t.currentInput.getSpatialExtent(),p=t.currentInput.getSpacing(),f=new Float64Array(3);jt(f,(d[1]-d[0])*p[0],(d[3]-d[2])*p[1],(d[5]-d[4])*p[2]);const h=Gt(f)/e.getCurrentSampleDistance(r),m={interpolationType:o.getProperty().getInterpolationType(),useLabelOutline:o.getProperty().getUseLabelOutline(),numComp:s,usesProportionalComponents:u,iComps:l,maxSamples:h,useGradientOpacity:o.getProperty().getUseGradientOpacity(0),blendMode:t.renderable.getBlendMode(),proportionalComponents:c};return t.previousState&&t.previousState.interpolationType===m.interpolationType&&t.previousState.useLabelOutline===m.useLabelOutline&&t.previousState.numComp===m.numComp&&t.previousState.usesProportionalComponents===m.usesProportionalComponents&&t.previousState.iComps===m.iComps&&t.previousState.maxSamples===m.maxSamples&&t.previousState.useGradientOpacity===m.useGradientOpacity&&t.previousState.blendMode===m.blendMode&&function(e,t){if(e.length!==t.length)return!1;for(let n=0;n{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o),e.getClippingPlaneShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const i=n.getProgram();n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(i.isAttributeUsed("vertexDC")&&(n.getVAO().addAttributeArray(i,n.getCABO(),"vertexDC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||al("Error setting vertexDC in shader VAO.")),n.getAttributeUpdateTime().modified()),i.setUniformi("texture1",t.scalarTexture.getTextureUnit()),i.setUniformf("sampleDistance",e.getCurrentSampleDistance(r));const a=t.scalarTexture.getVolumeInfo(),s=t.renderable.getIpScalarRange(),l=[],u=[];for(let e=0;e<4;e++)l[e]=s[0]*a.dataComputedScale[e]+a.dataComputedOffset[e],u[e]=s[1]*a.dataComputedScale[e]+a.dataComputedOffset[e],l[e]=(l[e]-a.offset[e])/a.scale[e],u[e]=(u[e]-a.offset[e])/a.scale[e];if(i.setUniform4f("ipScalarRangeMin",l[0],l[1],l[2],l[3]),i.setUniform4f("ipScalarRangeMax",u[0],u[1],u[2],u[3]),null!==t.zBufferTexture){i.setUniformi("zBufferTexture",t.zBufferTexture.getTextureUnit());const e=t._useSmallViewport?[t._smallViewportWidth,t._smallViewportHeight]:t._openGLRenderWindow.getFramebufferSize();i.setUniformf("vpZWidth",e[0]),i.setUniformf("vpZHeight",e[1])}},e.setCameraShaderParameters=(n,r,o)=>{const i=t.openGLCamera.getKeyMatrices(r),a=t.openGLVolume.getKeyMatrices();y(t.modelToView,i.wcvc,a.mcwc);const s=n.getProgram(),l=t.openGLCamera.getRenderable(),u=l.getClippingRange();s.setUniformf("camThick",u[1]-u[0]),s.setUniformf("camNear",u[0]),s.setUniformf("camFar",u[1]);const c=t.currentInput.getBounds(),d=t.currentInput.getDimensions(),p=new Float64Array(3),f=new Float64Array(3);let h=1,g=-1,v=1,b=-1;for(let e=0;e<8;++e)jt(p,c[e%2],c[2+Math.floor(e/2)%2],c[4+Math.floor(e/4)]),Yt(p,p,t.modelToView),l.getParallelProjection()||(Kt(f,p),Ht(p,f,-u[0]/p[2])),Yt(p,p,i.vcpc),h=Math.min(p[0],h),g=Math.max(p[0],g),v=Math.min(p[1],v),b=Math.max(p[1],b);s.setUniformf("dcxmin",h),s.setUniformf("dcxmax",g),s.setUniformf("dcymin",v),s.setUniformf("dcymax",b),s.isUniformUsed("cameraParallel")&&s.setUniformi("cameraParallel",l.getParallelProjection());const x=t.currentInput.getSpatialExtent(),_=t.currentInput.getSpacing(),T=new Float64Array(3);jt(T,(x[1]-x[0])*_[0],(x[3]-x[2])*_[1],(x[5]-x[4])*_[2]),s.setUniform3f("vSpacing",_[0],_[1],_[2]),jt(p,x[0],x[2],x[4]),t.currentInput.indexToWorldVec3(p,p),Yt(p,p,t.modelToView),s.setUniform3f("vOriginVC",p[0],p[1],p[2]);const S=t.currentInput.getIndexToWorld();y(t.idxToView,t.modelToView,S),le(t.idxNormalMatrix,i.normalMatrix,a.normalMatrix),le(t.idxNormalMatrix,t.idxNormalMatrix,t.currentInput.getDirectionByReference());const w=Gt(T)/e.getCurrentSampleDistance(r);w>t.renderable.getMaximumSamplesPerRay()&&il(`The number of steps required ${Math.ceil(w)} is larger than the\n specified maximum number of steps ${t.renderable.getMaximumSamplesPerRay()}.\n Please either change the\n volumeMapper sampleDistance or its maximum number of samples.`);const C=new Float64Array(3);if(jt(C,1,1,1),function(e,t,n){e[0]=t[0]/n[0],e[1]=t[1]/n[1],e[2]=t[2]/n[2]}(C,C,T),s.setUniform3f("vVCToIJK",C[0],C[1],C[2]),s.setUniform3i("volumeDimensions",d[0],d[1],d[2]),!t._openGLRenderWindow.getWebgl2()){const e=t.scalarTexture.getVolumeInfo();s.setUniformf("texWidth",t.scalarTexture.getWidth()),s.setUniformf("texHeight",t.scalarTexture.getHeight()),s.setUniformi("xreps",e.xreps),s.setUniformi("xstride",e.xstride),s.setUniformi("ystride",e.ystride)}const A=new Float64Array(3),E=new Float64Array(3);for(let e=0;e<6;++e){switch(e){case 1:jt(A,-1,0,0),jt(E,x[0],x[2],x[4]);break;case 2:jt(A,0,1,0),jt(E,x[1],x[3],x[5]);break;case 3:jt(A,0,-1,0),jt(E,x[0],x[2],x[4]);break;case 4:jt(A,0,0,1),jt(E,x[1],x[3],x[5]);break;case 5:jt(A,0,0,-1),jt(E,x[0],x[2],x[4]);break;default:jt(A,1,0,0),jt(E,x[1],x[3],x[5])}Jt(A,A,t.idxNormalMatrix),Yt(E,E,t.idxToView);const n=-1*qt(E,A);s.setUniform3f(`vPlaneNormal${e}`,A[0],A[1],A[2]),s.setUniformf(`vPlaneDistance${e}`,n)}if(o.getProperty().getUseLabelOutline()){const n=t.currentInput.getWorldToIndex();s.setUniformMatrix("vWCtoIDX",n);const o=r.getActiveCamera(),[i,a]=o.getClippingRange(),l=o.getDistance();o.setClippingRange(l,l+.1);const u=t.openGLCamera.getKeyMatrices(r);m(t.projectionToWorld,u.wcpc),o.setClippingRange(i,a),t.openGLCamera.getKeyMatrices(r),s.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const c=e.getRenderTargetSize();s.setUniformf("vpWidth",c[0]),s.setUniformf("vpHeight",c[1]);const d=e.getRenderTargetOffset();s.setUniformf("vpOffsetX",d[0]/c[0]),s.setUniformf("vpOffsetY",d[1]/c[1])}if(m(t.projectionToView,i.vcpc),s.setUniformMatrix("PCVCMatrix",t.projectionToView),0===t.lastLightComplexity)return;let D=0;const I=[],O=[],P=[];if(r.getLights().forEach((e=>{if(e.getSwitch()>0){const t=e.getColor(),n=e.getIntensity();I[0+3*D]=t[0]*n,I[1+3*D]=t[1]*n,I[2+3*D]=t[2]*n;const r=e.getDirection();jt(A,r[0],r[1],r[2]),Jt(A,A,i.normalMatrix),Kt(A,A),O[0+3*D]=A[0],O[1+3*D]=A[1],O[2+3*D]=A[2],P[0+3*D]=-.5*A[0],P[1+3*D]=-.5*A[1],P[2+3*D]=-.5*(A[2]-1),D++}})),s.setUniformi("twoSidedLighting",r.getTwoSidedLighting()),s.setUniformi("lightNum",D),s.setUniform3fv("lightColor",I),s.setUniform3fv("lightDirectionVC",O),s.setUniform3fv("lightHalfAngleVC",P),3===t.lastLightComplexity){D=0;const e=[],n=[],o=[],i=[],a=[];r.getLights().forEach((r=>{if(r.getSwitch()>0){const s=r.getAttenuationValues();n[0+3*D]=s[0],n[1+3*D]=s[1],n[2+3*D]=s[2],i[D]=r.getExponent(),o[D]=r.getConeAngle(),a[D]=r.getPositional();const l=r.getTransformedPosition();Yt(l,l,t.modelToView),e[0+3*D]=l[0],e[1+3*D]=l[1],e[2+3*D]=l[2],D+=1}})),s.setUniform3fv("lightPositionVC",e),s.setUniform3fv("lightAttenuation",n),s.setUniformfv("lightConeAngle",o),s.setUniformfv("lightExponent",i),s.setUniformiv("lightPositional",a)}if(t.renderable.getVolumetricScatteringBlending()>0&&(s.setUniformf("giReach",t.renderable.getGlobalIlluminationReach()),s.setUniformf("volumetricScatteringBlending",t.renderable.getVolumetricScatteringBlending()),s.setUniformf("volumeShadowSamplingDistFactor",t.renderable.getVolumeShadowSamplingDistFactor()),s.setUniformf("anisotropy",t.renderable.getAnisotropy()),s.setUniformf("anisotropy2",t.renderable.getAnisotropy()**2)),t.renderable.getLocalAmbientOcclusion()&&o.getProperty().getAmbient()>0){const e=t.renderable.getLAOKernelSize();s.setUniformi("kernelSize",e);const n=[];for(let t=0;t{const o=e.getProgram();o.setUniformi("ctexture",t.colorTexture.getTextureUnit()),o.setUniformi("otexture",t.opacityTexture.getTextureUnit()),o.setUniformi("jtexture",t.jitterTexture.getTextureUnit()),o.setUniformi("ttexture",t.labelOutlineThicknessTexture.getTextureUnit());const i=t.scalarTexture.getVolumeInfo(),a=r.getProperty(),s=t.scalarTexture.getComponents(),l=r.getProperty().getIndependentComponents();if(l&&s>=2)for(let e=0;e0&&(o.setUniformf("vAmbient",a.getAmbient()),o.setUniformf("vDiffuse",a.getDiffuse()),o.setUniformf("vSpecular",a.getSpecular()),o.setUniformf("vSpecularPower",a.getSpecularPower()))},e.getClippingPlaneShaderParameters=(e,n,r)=>{if(t.renderable.getClippingPlanes().length>0){const r=t.openGLCamera.getKeyMatrices(n),o=[],i=[],a=[],s=t.renderable.getClippingPlanes(),l=s.length;for(let e=0;e{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.getRenderTargetSize=()=>{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getCurrentSampleDistance=e=>{const n=e.getVTKWindow().getInteractor(),r=t.renderable.getSampleDistance();return n.isAnimating()?r*t.renderable.getInteractionSampleDistanceFactor():r},e.renderPieceStart=(n,r)=>{const o=n.getVTKWindow().getInteractor();if(t._lastScale||(t._lastScale=t.renderable.getInitialInteractionScale()),t._useSmallViewport=!1,o.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._animationRateSubscription||(t._animationRateSubscription=o.onAnimationFrameRateUpdate((()=>{if(t.renderable.getAutoAdjustSampleDistances()){const e=o.getRecentAnimationFrameRate(),n=o.getDesiredUpdateRate()/e;(n>1.15||n<.85)&&(t._lastScale*=n),t._lastScale>400&&(t._lastScale=400),t._lastScale<1.5&&(t._lastScale=1.5)}else t._lastScale=t.renderable.getImageSampleDistance()*t.renderable.getImageSampleDistance()}))),t._useSmallViewport){const e=t._openGLRenderWindow.getFramebufferSize(),n=1/Math.sqrt(t._lastScale);if(t._smallViewportWidth=Math.ceil(n*e[0]),t._smallViewportHeight=Math.ceil(n*e[1]),t._smallViewportHeight>e[1]&&(t._smallViewportHeight=e[1]),t._smallViewportWidth>e[0]&&(t._smallViewportWidth=e[0]),t.framebuffer.saveCurrentBindingsAndBuffers(),null===t.framebuffer.getGLFramebuffer())t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer();else{const n=t.framebuffer.getSize();n[0]===e[0]&&n[1]===e[1]||(t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer())}t.framebuffer.bind();const r=t.context;r.clearColor(0,0,0,0),r.colorMask(!0,!0,!0,!0),r.clear(r.COLOR_BUFFER_BIT),r.viewport(0,0,t._smallViewportWidth,t._smallViewportHeight),t.fvp=[t._smallViewportWidth/e[0],t._smallViewportHeight/e[1]]}t.context.disable(t.context.DEPTH_TEST),e.updateBufferObjects(n,r),r.getProperty().getInterpolationType()===el.NEAREST?(t.scalarTexture.setMinificationFilter(Qa.NEAREST),t.scalarTexture.setMagnificationFilter(Qa.NEAREST)):(t.scalarTexture.setMinificationFilter(Qa.LINEAR),t.scalarTexture.setMagnificationFilter(Qa.LINEAR)),t.lastBoundBO=null,null!==t.zBufferTexture&&t.zBufferTexture.activate()},e.renderPieceDraw=(n,r)=>{const o=t.context;t.scalarTexture.activate(),t.opacityTexture.activate(),t.labelOutlineThicknessTexture.activate(),t.colorTexture.activate(),t.jitterTexture.activate(),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.scalarTexture.deactivate(),t.colorTexture.deactivate(),t.opacityTexture.deactivate(),t.labelOutlineThicknessTexture.deactivate(),t.jitterTexture.deactivate()},e.renderPieceFinish=(e,n)=>{if(null!==t.zBufferTexture&&t.zBufferTexture.deactivate(),t._useSmallViewport){if(t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader){t.copyShader=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","uniform vec2 tfactor;","varying vec2 tcoord;","void main() { tcoord = vec2(vertexDC.x*0.5 + 0.5, vertexDC.y*0.5 + 0.5) * tfactor; gl_Position = vertexDC; }"].join("\n"),["//VTK::System::Dec","//VTK::Output::Dec","uniform sampler2D texture1;","varying vec2 tcoord;","void main() { gl_FragData[0] = texture2D(texture1,tcoord); }"].join("\n"),"");const e=t.copyShader;t.copyVAO=Ia.newInstance(),t.copyVAO.setOpenGLRenderWindow(t._openGLRenderWindow),t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(e,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||al("Error setting vertexDC in copy shader VAO.")}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(t.copyShader);const e=t._openGLRenderWindow.getFramebufferSize();t.context.viewport(0,0,e[0],e[1]);const n=t.framebuffer.getColorTexture();n.activate(),t.copyShader.setUniformi("texture",n.getTextureUnit()),t.copyShader.setUniform2f("tfactor",t.fvp[0],t.fvp[1]);const r=t.context;r.blendFuncSeparate(r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA),t.context.drawArrays(t.context.TRIANGLES,0,t.tris.getCABO().getElementCount()),n.deactivate(),r.blendFuncSeparate(r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):al("No input!")},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():yr(t.Bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const o=t.currentInput;if(!o)return;const i=o.getPointData()&&o.getPointData().getScalars();if(!i)return;t._scalars!==i&&(t._openGLRenderWindow.releaseGraphicsResourcesForObject(t._scalars),t._scalars=i);const a=r.getProperty();if(!t.jitterTexture.getHandle()){const e=new Uint8Array(1024);for(let t=0;t<1024;++t)e[t]=255*Math.random();t.jitterTexture.setMinificationFilter(Qa.LINEAR),t.jitterTexture.setMagnificationFilter(Qa.LINEAR),t.jitterTexture.create2DFromRaw(32,32,1,on.UNSIGNED_CHAR,e)}const s=i.getNumberOfComponents(),l=a.getIndependentComponents()?s:1,u=a.getScalarOpacity(),c=t._openGLRenderWindow.getGraphicsResourceForObject(u);let d=sl(a,u,l);if(c.vtkObj&&c.hash===d&&t.opacityTextureString===d)t.opacityTexture=c.vtkObj,t.opacityTextureString=c.hash;else{const r=1024,o=2*r*l,i=new Float32Array(o),s=new Float32Array(r);for(let t=0;t1?1:-1,e[3*t+2]=-1;const n=new Uint16Array(8);n[0]=3,n[1]=0,n[2]=1,n[3]=3,n[4]=3,n[5]=0,n[6]=3,n[7]=2;const r=Wr.newInstance({numberOfComponents:3,values:e});r.setName("points");const o=Wr.newInstance({numberOfComponents:1,values:n});t.tris.getCABO().createVBO(o,"polys",ua.SURFACE,{points:r,cellOffset:0})}t.VBOBuildTime.modified()},e.updateLabelOutlineThicknessTexture=e=>{const n=e.getProperty().getLabelOutlineThickness(),r=t._openGLRenderWindow.getGraphicsResourceForObject(n),o=`${n.join("-")}`;if(r?.vtkObj&&r?.hash===o&&t.labelOutlineThicknessTextureString===o)t.labelOutlineThicknessTexture=r.vtkObj,t.labelOutlineThicknessTextureString=r.hash;else{const e=1024,r=1,i=new Uint8Array(e*r);for(let t=0;t2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ul,n),Tt.extend(e,t,n),t.VBOBuildTime={},je(t.VBOBuildTime,{mtime:0}),t.tris=Ra.newInstance(),t.scalarTexture=hs.newInstance(),t.opacityTexture=hs.newInstance(),t.colorTexture=hs.newInstance(),t.jitterTexture=hs.newInstance(),t.jitterTexture.setWrapS(Ja.REPEAT),t.jitterTexture.setWrapT(Ja.REPEAT),t.labelOutlineThicknessTexture=hs.newInstance(),t.framebuffer=Zs.newInstance(),t.idxToView=f(new Float64Array(16)),t.idxNormalMatrix=ae(new Float64Array(9)),t.modelToView=f(new Float64Array(16)),t.projectionToView=f(new Float64Array(16)),t.projectionToWorld=f(new Float64Array(16)),$e(e,t,["context"]),ll(e,t)}),"vtkOpenGLVolumeMapper");Dt("vtkVolumeMapper",cl);const{vtkDebugMacro:dl}=vt;function pl(e,t){t.classHierarchy.push("vtkOpenGLPixelSpaceCallbackMapper"),e.opaquePass=(n,r)=>{t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent();const o=t._openGLRenderer.getAspectRatio(),i=t._openGLRenderer?t._openGLRenderer.getRenderable().getActiveCamera():null,a=t._openGLRenderer.getTiledSizeAndOrigin();let s=null;if(t.renderable.getUseZValues()){const e=r.getZBufferTexture(),n=Math.floor(e.getWidth()),o=Math.floor(e.getHeight()),i=t._openGLRenderWindow.getContext();e.bind();const a=r.getFramebuffer();a?a.saveCurrentBindingsAndBuffers():dl("No framebuffer to save/restore");const l=i.createFramebuffer();i.bindFramebuffer(i.FRAMEBUFFER,l),i.framebufferTexture2D(i.FRAMEBUFFER,i.COLOR_ATTACHMENT0,i.TEXTURE_2D,e.getHandle(),0),i.checkFramebufferStatus(i.FRAMEBUFFER)===i.FRAMEBUFFER_COMPLETE&&(s=new Uint8Array(n*o*4),i.viewport(0,0,n,o),i.readPixels(0,0,n,o,i.RGBA,i.UNSIGNED_BYTE,s)),a&&a.restorePreviousBindingsAndBuffers(),i.deleteFramebuffer(l)}t.renderable.invokeCallback(t.renderable.getInputData(),i,o,a,s)},e.queryPass=(e,n)=>{e&&t.renderable.getUseZValues()&&n.requestDepth()}}const fl={};const hl=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,fl,n),Tt.extend(e,t,n),pl(e,t)}),"vtkOpenGLPixelSpaceCallbackMapper");Dt("vtkPixelSpaceCallbackMapper",hl);const ml=Object.create(null);function gl(e,t){ml[e]=t}function vl(e,t){t.classHierarchy.push("vtkWebGPUViewNodeFactory")}const yl={};function bl(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,yl,n),t.overrides=ml,At.extend(e,t,n),vl(0,t)}var xl={newInstance:gt.newInstance(bl,"vtkWebGPUViewNodeFactory"),extend:bl};function _l(e,t){t.classHierarchy.push("vtkWebGPUCamera"),e.getProjectionMatrix=(e,n,r,o)=>{if(f(e),t.renderable.getParallelProjection()){const i=t.renderable.getParallelScale(),a=i*n,s=i,l=(o[0]-1)*a,u=(o[0]+1)*a,c=(o[1]-1)*s,d=(o[1]+1)*s,p=1/(u-l),f=1/(d-c);e[0]=2*p,e[5]=2*f,e[10]=1/(r[1]-r[0]),e[12]=(u+l)*p,e[13]=(d+c)*f,e[14]=r[1]/(r[1]-r[0])}else{const i=Math.tan(Math.PI*t.renderable.getViewAngle()/360);let a,s;!0===t.renderable.getUseHorizontalViewAngle()?(a=r[0]*i,s=r[0]*i/n):(a=r[0]*i*n,s=r[0]*i);const l=(o[0]-1)*a,u=(o[0]+1)*a,c=(o[1]-1)*s,d=(o[1]+1)*s;e[0]=2*r[0]/(u-l),e[5]=2*r[0]/(d-c),e[12]=(l+u)/(u-l),e[13]=(c+d)/(d-c),e[10]=0,e[14]=r[0],e[11]=-1,e[15]=0}},e.convertToOpenGLDepth=e=>{if(t.renderable.getParallelProjection())return 1-e;const n=t.renderable.getClippingRangeByReference();let r=-n[0]/e;return 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lu(e,t){t.classHierarchy.push("vtkWebGPUFullScreenQuad"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position"),r.addOutput("vec4","vertexVC");let o=r.getCode();o=Fl.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4(vertexBC, 1.0);","output.vertexVC = vec4(vertexBC, 1);"]).result,r.setCode(o)},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.updateBuffers=()=>{const e=t.device.getBufferManager().getFullScreenQuadBuffer();t.vertexInput.addBuffer(e,["vertexBC"]),t.numberOfVertices=6}}const uu={};function cu(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uu,n),su.extend(e,t,n),lu(e,t)}var du={newInstance:gt.newInstance(cu,"vtkWebGPUFullScreenQuad"),extend:cu},pu={BufferUsage:{Verts:0,Lines:1,Triangles:2,Strips:3,LinesFromStrips:4,LinesFromTriangles:5,Points:6,UniformArray:7,PointArray:8,NormalsFromPoints:9,Texture:10,RawVertex:11,Storage:12,Index:13},PrimitiveTypes:{Start:0,Points:0,Lines:1,Triangles:2,TriangleStrips:3,TriangleEdges:4,TriangleStripEdges:5,End:6}};const fu=["getMappedRange","mapAsync","unmap"];function hu(e,t){t.classHierarchy.push("vtkWebGPUBuffer"),e.create=(e,n)=>{t.handle=t.device.getHandle().createBuffer({size:e,usage:n,label:t.label}),t.sizeInBytes=e,t.usage=n},e.write=e=>{!function(e,t,n,r){const o=r.byteLength,i=e.createBuffer({size:o,usage:GPUBufferUsage.COPY_SRC,mappedAtCreation:!0}),a=i.getMappedRange(0,o);new Uint8Array(a).set(new Uint8Array(r)),i.unmap();const s=e.createCommandEncoder();s.copyBufferToBuffer(i,0,t,0,o);const l=s.finish();e.queue.submit([l]),i.destroy()}(t.device.getHandle(),t.handle,0,e.buffer)},e.createAndWrite=(e,n)=>{t.handle=t.device.getHandle().createBuffer({size:e.byteLength,usage:n,mappedAtCreation:!0,label:t.label}),t.sizeInBytes=e.byteLength,t.usage=n,new Uint8Array(t.handle.getMappedRange()).set(new Uint8Array(e.buffer)),t.handle.unmap()};for(let n=0;n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,mu,n),gt.obj(e,t),gt.get(e,t,["handle","sizeInBytes","usage"]),gt.setGet(e,t,["strideInBytes","device","arrayInformation","label","sourceTime"]),hu(e,t)}var vu={newInstance:gt.newInstance(gu),extend:gu,...pu};const{Representation:yu,Interpolation:bu}=ca;function xu(e){return()=>gt.vtkErrorMacro(`vtkProperty::${e} - NOT IMPLEMENTED`)}function _u(e,t){t.classHierarchy.push("vtkProperty"),e.setColor=(n,r,o)=>{Array.isArray(n)?t.color[0]===n[0]&&t.color[1]===n[1]&&t.color[2]===n[2]||(t.color[0]=n[0],t.color[1]=n[1],t.color[2]=n[2],e.modified()):t.color[0]===n&&t.color[1]===r&&t.color[2]===o||(t.color[0]=n,t.color[1]=r,t.color[2]=o,e.modified()),e.setDiffuseColor(t.color),e.setAmbientColor(t.color),e.setSpecularColor(t.color)},e.computeCompositeColor=xu("ComputeCompositeColor"),e.getColor=()=>{let e=0;t.ambient+t.diffuse+t.specular>0&&(e=1/(t.ambient+t.diffuse+t.specular));for(let n=0;n<3;n++)t.color[n]=e*(t.ambient*t.ambientColor[n]+t.diffuse*t.diffuseColor[n]+t.specular*t.specularColor[n]);return[].concat(t.color)},e.setSpecularPower=n=>{const r=1/Math.max(1,n);t.roughness===r&&t.specularPower===n||(t.specularPower=n,t.roughness=r,e.modified())},e.addShaderVariable=xu("AddShaderVariable"),e.setInterpolationToFlat=()=>e.setInterpolation(bu.FLAT),e.setInterpolationToGouraud=()=>e.setInterpolation(bu.GOURAUD),e.setInterpolationToPhong=()=>e.setInterpolation(bu.PHONG),e.getInterpolationAsString=()=>gt.enumToString(bu,t.interpolation),e.setRepresentationToWireframe=()=>e.setRepresentation(yu.WIREFRAME),e.setRepresentationToSurface=()=>e.setRepresentation(yu.SURFACE),e.setRepresentationToPoints=()=>e.setRepresentation(yu.POINTS),e.getRepresentationAsString=()=>gt.enumToString(yu,t.representation)}const Tu={color:[1,1,1],ambientColor:[1,1,1],diffuseColor:[1,1,1],specularColor:[1,1,1],edgeColor:[0,0,0],ambient:0,diffuse:1,metallic:0,roughness:.6,normalStrength:1,emission:1,baseIOR:1.45,specular:0,specularPower:1,opacity:1,interpolation:bu.GOURAUD,representation:yu.SURFACE,edgeVisibility:!1,backfaceCulling:!1,frontfaceCulling:!1,pointSize:1,lineWidth:1,lighting:!0,shading:!1,materialName:null};function Su(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Tu,n),gt.obj(e,t),gt.setGet(e,t,["lighting","interpolation","ambient","diffuse","metallic","roughness","normalStrength","emission","baseIOR","specular","specularPower","opacity","edgeVisibility","lineWidth","pointSize","backfaceCulling","frontfaceCulling","representation","diffuseTexture","metallicTexture","roughnessTexture","normalTexture","ambientOcclusionTexture","emissionTexture"]),gt.setGetArray(e,t,["ambientColor","specularColor","diffuseColor","edgeColor"],3),_u(e,t)}var wu={newInstance:gt.newInstance(Su,"vtkProperty"),extend:Su,...ca};const{Representation:Cu}=wu,{PrimitiveTypes:Au}=pu;class Eu{constructor(){this.keys=new Uint32Array(10),this.values=new Uint32Array(10),this.count=0}clear(){this.count=0}has(e){for(let t=0;t2)for(let i=0;i2){for(let i=0;i{const n=e.cells,r=e.primitiveType,o=e.representation,i=e.cellOffset,a=n.getData(),s=a.length,l=function(e){switch(e){case Au.Points:return"points";case Au.Lines:return"lines";case Au.Triangles:case Au.TriangleEdges:return"polys";case Au.TriangleStripEdges:case Au.TriangleStrips:return"strips";default:return""}}(r),u=e.numberOfPoints,c={provokedPointIds:new Uint8Array(u),extraPoints:0,iboSize:0,flatId:0,iboId:0,cellProvokedMap:new Eu};let d=null;d=o===Cu.POINTS||r===Au.Points?Fu.anythingToPoints:o===Cu.WIREFRAME||r===Au.Lines?Fu[`${l}ToWireframe`]:Fu[`${l}ToSurface`],Pu=Ou;let p=i||0;for(let e=0;e2&&void 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2:t+="x2";break;case 3:t.includes("32")||Gu(`unsupported x3 type for ${t}`),t+="x3";break;case 4:t+="x4"}return t}(t),o={hash:`${t.getMTime()}I${n.getMTime()}${r}`,usage:Uu.PointArray,format:r,dataArray:t,indexBuffer:n};return e.getBuffer(o)},e.getFullScreenQuadBuffer=()=>{if(t.fullScreenQuadBuffer)return t.fullScreenQuadBuffer;t.fullScreenQuadBuffer=vu.newInstance(),t.fullScreenQuadBuffer.setDevice(t.device);const e=new Float32Array([-1,-1,0,1,-1,0,1,1,0,-1,-1,0,1,1,0,-1,1,0]);return t.fullScreenQuadBuffer.createAndWrite(e,GPUBufferUsage.VERTEX),t.fullScreenQuadBuffer.setStrideInBytes(12),t.fullScreenQuadBuffer.setArrayInformation([{offset:0,format:"float32x3"}]),t.fullScreenQuadBuffer}}const Xu={device:null,fullScreenQuadBuffer:null};function Ku(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Xu,n),je(e,t),$e(e,t,["device"]),Hu(e,t)}var qu={newInstance:rt(Ku),extend:Ku,...pu};const{BufferUsage:$u}=qu,{vtkErrorMacro:Yu}=gt;function Ju(e,t){t.classHierarchy.push("vtkWebGPUStorageBuffer"),e.addEntry=(e,n)=>{if(t._bufferEntryNames.has(e))return void Yu(`entry named ${e} already exists`);t._bufferEntryNames.set(e,t.bufferEntries.length);const r=$l(n);t.bufferEntries.push({name:e,type:n,sizeInBytes:r,offset:t.sizeInBytes,nativeType:Yl(n)}),t.sizeInBytes+=r},e.send=e=>{if(!t._buffer){const n={nativeArray:t.Float32Array,usage:$u.Storage,label:t.label};return t._buffer=e.getBufferManager().getBuffer(n),t.bindGroupTime.modified(),void t._sendTime.modified()}e.getHandle().queue.writeBuffer(t._buffer.getHandle(),0,t.arrayBuffer,0,t.sizeInBytes*t.numberOfInstances),t._sendTime.modified()},e.createView=e=>{e in t==0&&(t.arrayBuffer||(t.arrayBuffer=new ArrayBuffer(t.sizeInBytes*t.numberOfInstances)),t[e]=gt.newTypedArray(e,t.arrayBuffer))},e.setValue=(n,r,o)=>{const i=t._bufferEntryNames.get(n);if(void 0===i)return void Yu(`entry named ${n} not found in UBO`);const a=t.bufferEntries[i];e.createView(a.nativeType);const 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e=0;et._sendTime.getMTime(),e.getShaderCode=(e,n)=>{const r=[`struct ${t.label}StructEntry\n{`];for(let e=0;e,\n};\n@binding(${e}) @group(${n}) var ${t.label}: ${t.label}Struct;\n`),r.join("\n")},e.getBindGroupEntry=()=>({resource:{buffer:t._buffer.getHandle()}}),e.clearData=()=>{t.numberOfInstances=0,t.sizeInBytes=0,t.bufferEntries=[],t._bufferEntryNames=new Map,t._buffer=null,delete t.arrayBuffer,delete t.Float32Array}}const Qu={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,numberOfInstances:1};function Zu(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Qu,n),gt.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t._sendTime={},gt.obj(t._sendTime,{mtime:0}),t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"read-only-storage"}},gt.get(e,t,["bindGroupTime"]),gt.setGet(e,t,["device","bindGroupLayoutEntry","label","numberOfInstances","sizeInBytes"]),Ju(e,t)}var ec={newInstance:gt.newInstance(Zu,"vtkWebGPUStorageBuffer"),extend:Zu};const{BufferUsage:tc}=qu,{vtkErrorMacro:nc}=gt;function rc(e,t){t.classHierarchy.push("vtkWebGPUUniformBuffer"),e.addEntry=(e,n)=>{t._bufferEntryNames.has(e)?nc(`entry named ${e} already exists`):(t.sortDirty=!0,t._bufferEntryNames.set(e,t.bufferEntries.length),t.bufferEntries.push({name:e,type:n,sizeInBytes:$l(n),offset:-1,nativeType:Yl(n),packed:!1}))},e.sortBufferEntries=()=>{if(!t.sortDirty)return;let e=0;const n=[];let r=4;for(let e=0;e4&&(o.packed=!0,o.offset=e,n.push(o),e+=o.sizeInBytes)}for(let r=0;r{if(!t.UBO){const n={nativeArray:t.Float32Array,usage:tc.UniformArray,label:t.label};t.UBO=e.getBufferManager().getBuffer(n),t.bindGroupTime.modified(),t.sendDirty=!1}t.sendDirty&&(e.getHandle().queue.writeBuffer(t.UBO.getHandle(),0,t.arrayBuffer,0,t.sizeInBytes),t.sendDirty=!1),t.sendTime.modified()},e.createView=e=>{e in t==0&&(t.arrayBuffer||(t.arrayBuffer=new ArrayBuffer(t.sizeInBytes)),t[e]=gt.newTypedArray(e,t.arrayBuffer))},e.setValue=(n,r)=>{e.sortBufferEntries();const o=t._bufferEntryNames.get(n);if(void 0===o)return void nc(`entry named ${n} not found in UBO`);const i=t.bufferEntries[o];e.createView(i.nativeType);const a=t[i.nativeType];i.lastValue!==r&&(a[i.offset/a.BYTES_PER_ELEMENT]=r,t.sendDirty=!0),i.lastValue=r},e.setArray=(n,r)=>{e.sortBufferEntries();const o=t._bufferEntryNames.get(n);if(void 0===o)return void nc(`entry named ${n} not found in UBO`);const i=t.bufferEntries[o];e.createView(i.nativeType);const a=t[i.nativeType];let s=!1;for(let e=0;e({resource:{buffer:t.UBO.getHandle()}}),e.getSendTime=()=>t.sendTime.getMTime(),e.getShaderCode=(n,r)=>{e.sortBufferEntries();const o=[`struct ${t.label}Struct\n{`];for(let e=0;e ${t.label}: ${t.label}Struct;`),o.join("\n")}}const oc={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,bindGroupLayoutEntry:null,bindGroupEntry:null};function ic(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,oc,n),gt.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"uniform"}},t.sendTime={},gt.obj(t.sendTime,{mtime:0}),t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),t.sendDirty=!0,t.sortDirty=!0,gt.get(e,t,["binding","bindGroupTime"]),gt.setGet(e,t,["bindGroupLayoutEntry","device","label","sizeInBytes"]),rc(e,t)}var ac={newInstance:gt.newInstance(ic,"vtkWebGPUUniformBuffer"),extend:ic};const{vtkDebugMacro:sc}=vt,lc="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = mapperUBO.BackgroundColor;\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n",uc=new Float64Array(16),cc=new Float64Array(16);function dc(e,t){t.classHierarchy.push("vtkWebGPURenderer"),e.buildPass=n=>{if(n){if(!t.renderable)return;t.camera=t.renderable.getActiveCamera(),e.updateLights(),e.prepareNodes(),e.addMissingNode(t.camera),e.addMissingNodes(t.renderable.getViewPropsWithNestedProps()),e.removeUnusedNodes(),t.webgpuCamera=e.getViewNodeFor(t.camera),e.updateStabilizedMatrix()}},e.updateStabilizedMatrix=()=>{const e=t.camera.getClippingRange(),n=t.camera.getPositionByReference(),r=[],o=[];Ht(o,t.camera.getDirectionOfProjectionByReference(),.5*(e[0]+e[1])),function(e,t,n){e[0]=t[0]+n[0],e[1]=t[1]+n[1],e[2]=t[2]+n[2]}(r,n,o),tn(o,r,t.stabilizedCenter),nn(o)/(e[1]-e[0])>t.recenterThreshold&&(t.stabilizedCenter=r,t.stabilizedTime.modified())},e.updateLights=()=>{let e=0;const n=t.renderable.getLightsByReference();for(let t=0;t0&&e++;return e||(sc("No lights are on, creating one."),t.renderable.createLight()),e},e.updateUBO=()=>{const n=t.UBO.getSendTime();if(t._parent.getMTime()>n||e.getMTime()>n||t.camera.getMTime()>n||t.renderable.getMTime()>n){const n=t.webgpuCamera.getKeyMatrices(e);t.UBO.setArray("WCVCMatrix",n.wcvc),t.UBO.setArray("SCPCMatrix",n.scpc),t.UBO.setArray("PCSCMatrix",n.pcsc),t.UBO.setArray("SCVCMatrix",n.scvc),t.UBO.setArray("VCPCMatrix",n.vcpc),t.UBO.setArray("WCVCNormals",n.normalMatrix),t.UBO.setValue("LightCount",t.renderable.getLights().length),t.UBO.setValue("MaxEnvironmentMipLevel",t.renderable.getEnvironmentTexture()?.getMipLevel()),t.UBO.setValue("BackgroundDiffuseStrength",t.renderable.getEnvironmentTextureDiffuseStrength()),t.UBO.setValue("BackgroundSpecularStrength",t.renderable.getEnvironmentTextureSpecularStrength());const r=e.getYInvertedTiledSizeAndOrigin();t.UBO.setArray("viewportSize",[r.usize,r.vsize]),t.UBO.setValue("cameraParallel",t.camera.getParallelProjection());const o=t._parent.getDevice();t.UBO.sendIfNeeded(o)}},e.updateSSBO=()=>{const n=t.renderable.getLights(),r=t.webgpuCamera.getKeyMatrices(e);let o=`${t.renderable.getMTime()}`;for(let e=0;e=90?0:2:1,s[l+1]=Math.cos(xn(n[t].getConeAngle())),s[l+2]=Math.cos(xn(n[t].getConeAngle()+n[t].getConeFalloff())),s[l+3]=0}t.SSBO.clearData(),t.SSBO.setNumberOfInstances(n.length),t.SSBO.addEntry("LightPos","vec4"),t.SSBO.addEntry("LightDir","vec4"),t.SSBO.addEntry("LightColor","vec4"),t.SSBO.addEntry("LightData","vec4"),t.SSBO.setAllInstancesFromArray("LightPos",e),t.SSBO.setAllInstancesFromArray("LightDir",o),t.SSBO.setAllInstancesFromArray("LightColor",a),t.SSBO.setAllInstancesFromArray("LightData",s);const l=t._parent.getDevice();t.SSBO.send(l)}var i;t.lightTimeString=o},e.scissorAndViewport=t=>{const n=e.getYInvertedTiledSizeAndOrigin();t.getHandle().setViewport(n.lowerLeftU,n.lowerLeftV,n.usize,n.vsize,0,1),t.getHandle().setScissorRect(n.lowerLeftU,n.lowerLeftV,n.usize,n.vsize)},e.bindUBO=e=>{e.activateBindGroup(t.bindGroup)},e.opaquePass=n=>{n?(t.renderEncoder.begin(t._parent.getCommandEncoder()),e.updateUBO(),e.updateSSBO()):(e.scissorAndViewport(t.renderEncoder),e.clear(),t.renderEncoder.end())},e.clear=()=>{if(t.renderable.getTransparent()||t.suppressClear)return;const n=t._parent.getDevice();if(!t.clearFSQ){t.clearFSQ=du.newInstance(),t.clearFSQ.setDevice(n),t.clearFSQ.setPipelineHash("clearfsq"),t.clearFSQ.setFragmentShaderTemplate(lc);const e=ac.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e),t.backgroundTex=t.renderable.getEnvironmentTexture()}if("clearfsqwithtexture"!==t.clearFSQ.getPipelineHash()&&t.renderable.getUseEnvironmentTextureAsBackground()&&t.backgroundTex?.getImageLoaded()){t.clearFSQ.setFragmentShaderTemplate("\nfn vecToRectCoord(dir: vec3) -> vec2 {\n var tau: f32 = 6.28318530718;\n var pi: f32 = 3.14159265359;\n var out: vec2 = vec2(0.0);\n\n out.x = atan2(dir.z, dir.x) / tau;\n out.x += 0.5;\n\n var phix: f32 = length(vec2(dir.x, dir.z));\n out.y = atan2(dir.y, phix) / pi + 0.5;\n\n return out;\n}\n\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var tcoord: vec4 = vec4(input.vertexVC.xy, -1, 1);\n var V: vec4 = normalize(mapperUBO.FSQMatrix * tcoord); // vec2((input.tcoordVS.x - 0.5) * 2, -(input.tcoordVS.y - 0.5) * 2);\n // textureSampleLevel gets rid of some ugly artifacts\n var background = textureSampleLevel(EnvironmentTexture, EnvironmentTextureSampler, vecToRectCoord(V.xyz), 0);\n var computedColor: vec4 = vec4(background.rgb, 1);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n");const e=ac.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e);const r=n.getTextureManager().getTextureForVTKTexture(t.backgroundTex);if(r.getReady()){const e=r.createView("EnvironmentTexture");t.clearFSQ.setTextureViews([e]),t.backgroundTexLoaded=!0;const o=t.backgroundTex.getInterpolate()?"linear":"nearest";e.addSampler(n,{addressModeU:"repeat",addressModeV:"clamp-to-edge",addressModeW:"repeat",minFilter:o,magFilter:o,mipmapFilter:"linear"})}t.clearFSQ.setPipelineHash("clearfsqwithtexture")}else if("clearfsqwithtexture"===t.clearFSQ.getPipelineHash()&&!t.renderable.getUseEnvironmentTextureAsBackground()){t.clearFSQ=du.newInstance(),t.clearFSQ.setDevice(n),t.clearFSQ.setPipelineHash("clearfsq"),t.clearFSQ.setFragmentShaderTemplate(lc);const e=ac.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e)}const r=t.webgpuCamera.getKeyMatrices(e),o=t.renderable.getBackgroundByReference();t.clearFSQ.getUBO().setArray("BackgroundColor",o),h(cc,r.normalMatrix),re(uc,r.scvc,r.pcsc),re(uc,cc,uc),t.clearFSQ.getUBO().setArray("FSQMatrix",uc),t.clearFSQ.getUBO().sendIfNeeded(n),t.clearFSQ.prepareAndDraw(t.renderEncoder)},e.translucentPass=n=>{n?t.renderEncoder.begin(t._parent.getCommandEncoder()):(e.scissorAndViewport(t.renderEncoder),t.renderEncoder.end())},e.volumeDepthRangePass=n=>{n?t.renderEncoder.begin(t._parent.getCommandEncoder()):(e.scissorAndViewport(t.renderEncoder),t.renderEncoder.end())},e.getAspectRatio=()=>{const e=t._parent.getSizeByReference(),n=t.renderable.getViewportByReference();return e[0]*(n[2]-n[0])/((n[3]-n[1])*e[1])},e.convertToOpenGLDepth=e=>t.webgpuCamera.convertToOpenGLDepth(e),e.getYInvertedTiledSizeAndOrigin=()=>{const n=e.getTiledSizeAndOrigin(),r=t._parent.getSizeByReference();return n.lowerLeftV=r[1]-n.vsize-n.lowerLeftV,n},e.getTiledSizeAndOrigin=()=>{const e=t.renderable.getViewportByReference(),n=[0,0,1,1],r=e[0]-n[0],o=e[1]-n[1],i=t._parent.normalizedDisplayToDisplay(r,o),a=Math.round(i[0]),s=Math.round(i[1]),l=e[2]-n[0],u=e[3]-n[1],c=t._parent.normalizedDisplayToDisplay(l,u);let d=Math.round(c[0])-a,p=Math.round(c[1])-s;return d<0&&(d=0),p<0&&(p=0),{usize:d,vsize:p,lowerLeftU:a,lowerLeftV:s}},e.getPropFromID=e=>{for(let n=0;nt.stabilizedTime.getMTime(),e.releaseGraphicsResources=()=>{null!==t.selector&&t.selector.releaseGraphicsResources()}}const pc={bindGroup:null,selector:null,renderEncoder:null,recenterThreshold:20,suppressClear:!1,stabilizedCenter:[0,0,0]};const fc=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,pc,n),Tt.extend(e,t,n),t.UBO=ac.newInstance({label:"rendererUBO"}),t.UBO.addEntry("WCVCMatrix","mat4x4"),t.UBO.addEntry("SCPCMatrix","mat4x4"),t.UBO.addEntry("PCSCMatrix","mat4x4"),t.UBO.addEntry("SCVCMatrix","mat4x4"),t.UBO.addEntry("VCPCMatrix","mat4x4"),t.UBO.addEntry("WCVCNormals","mat4x4"),t.UBO.addEntry("viewportSize","vec2"),t.UBO.addEntry("LightCount","i32"),t.UBO.addEntry("MaxEnvironmentMipLevel","f32"),t.UBO.addEntry("BackgroundDiffuseStrength","f32"),t.UBO.addEntry("BackgroundSpecularStrength","f32"),t.UBO.addEntry("cameraParallel","u32"),t.SSBO=ec.newInstance({label:"rendererLightSSBO"}),t.lightTimeString="",t.bindGroup=El.newInstance({label:"rendererBG"}),t.bindGroup.setBindables([t.UBO,t.SSBO]),t.tmpMat4=f(new Float64Array(16)),t.stabilizedTime={},je(t.stabilizedTime,{mtime:0}),He(e,t,["bindGroup","stabilizedTime"]),Ye(e,t,["stabilizedCenter"]),$e(e,t,["renderEncoder","selector","suppressClear","UBO"]),dc(e,t)}),"vtkWebGPURenderer");function hc(e,t){t.classHierarchy.push("vtkWebGPUSampler"),e.create=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};t.device=e,t.options.addressModeU=n.addressModeU?n.addressModeU:"clamp-to-edge",t.options.addressModeV=n.addressModeV?n.addressModeV:"clamp-to-edge",t.options.addressModeW=n.addressModeW?n.addressModeW:"clamp-to-edge",t.options.magFilter=n.magFilter?n.magFilter:"nearest",t.options.minFilter=n.minFilter?n.minFilter:"nearest",t.options.mipmapFilter=n.mipmapFilter?n.mipmapFilter:"nearest",t.options.label=t.label,t.handle=t.device.getHandle().createSampler(t.options),t.bindGroupTime.modified()},e.getShaderCode=(e,n)=>`@binding(${e}) @group(${n}) var ${t.label}: sampler;`,e.getBindGroupEntry=()=>({resource:t.handle})}gl("vtkRenderer",fc);const mc={device:null,handle:null,label:null,options:null};function gc(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,mc,n),gt.obj(e,t),t.options={},t.bindGroupLayoutEntry={visibility:GPUShaderStage.VERTEX|GPUShaderStage.FRAGMENT,sampler:{}},t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),gt.get(e,t,["bindGroupTime","handle","options"]),gt.setGet(e,t,["bindGroupLayoutEntry","device","label"]),hc(e,t)}var vc={newInstance:gt.newInstance(gc),extend:gc};const{SlicingMode:yc}=Is,bc="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Image::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n //VTK::Image::Sample\n\n // var computedColor: vec4 = vec4(1.0,0.7, 0.5, 1.0);\n\n//VTK::RenderEncoder::Impl\n\n return output;\n}\n",xc=new Float64Array(16),_c=new Float64Array(16),Tc=new Float64Array(16),Sc=new Float64Array(4),wc=new Float64Array(4);function Cc(e,t){t.classHierarchy.push("vtkWebGPUImageMapper"),e.buildPass=n=>{if(n){t.WebGPUImageSlice=e.getFirstAncestorOfType("vtkWebGPUImageSlice"),t.WebGPURenderer=t.WebGPUImageSlice.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent(),t.device=t.WebGPURenderWindow.getDevice();const n=t.WebGPURenderer.getRenderable();t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(n.getActiveCamera())}},e.translucentPass=t=>{t&&e.render()},e.opaquePass=t=>{t&&e.render()},e.render=()=>{t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.prepareToDraw(t.WebGPURenderer.getRenderEncoder()),t.renderEncoder.registerDrawCallback(t.pipeline,e.draw)},e.computePipelineHash=()=>{const e=t.currentInput.getExtent();e[0]===e[1]||e[2]===e[3]||e[4]===e[5]?(t.dimensions=2,t.pipelineHash="img2"):(t.dimensions=3,t.pipelineHash="img3")},e.updateUBO=()=>{const n=t.UBO.getSendTime(),r=t.WebGPUImageSlice.getRenderable(),o=r.getMapper();if(e.getMTime()>n||t.renderable.getMTime()>n||r.getProperty().getMTime()>n){const e=o.getInputData(),n=t.WebGPURenderer.getStabilizedCenterByReference();f(xc),b(xc,xc,n);const i=r.getMatrix();h(_c,i),m(_c,_c),y(xc,_c,xc);const a=e.getWorldToIndex();y(xc,a,xc),m(Tc,xc),C(_c,[.5,.5,.5]),y(xc,_c,xc);const s=e.getDimensions();f(_c),x(_c,_c,[1/s[0],1/s[1],1/s[2]]),y(xc,_c,xc),t.UBO.setArray("SCTCMatrix",xc);const l=t.currentInput.getExtent(),{ijkMode:u}=t.renderable.getClosestIJKAxis();let c=t.renderable.getSlice();u!==t.renderable.getSlicingMode()&&(c=t.renderable.getSliceAtPosition(c));let d=2,p=0,g=1;u===yc.I?(d=0,p=1,g=2):u===yc.J&&(d=1,p=2,g=0),Sc[d]=c,Sc[p]=l[2*p]-.5,Sc[g]=l[2*g]-.5,Sc[3]=1,Mo(Sc,Sc,Tc),t.UBO.setArray("Origin",Sc),wc[d]=c,wc[p]=l[2*p+1]+.5,wc[g]=l[2*g]-.5,wc[3]=1,Mo(wc,wc,Tc),No(wc,wc,Sc),wc[3]=1,t.UBO.setArray("Axis1",wc),wc[d]=c,wc[p]=l[2*p]-.5,wc[g]=l[2*g+1]+.5,wc[3]=1,Mo(wc,wc,Tc),No(wc,wc,Sc),wc[3]=1,t.UBO.setArray("Axis2",wc);const v=[1,1,1,1],_=[0,0,0,0],T=t.textureViews[0],S=T.getTexture().getScale(),w=T.getTexture().getNumberOfComponents();for(let e=0;e{const n=t.WebGPUImageSlice.getRenderable().getProperty();e.getTextureViews()[0].getTexture().getNumberOfComponents();const r=function(e,t,n){if(t.apply(e)){const t=e.getIndependentComponents();return`${e.getMTime()}-${t}-1`}return"0"}(n,n.getRGBTransferFunction);if(t.colorTextureString!==r){t.numRows=1;const e=new Uint8Array(2*t.numRows*t.rowLength*4);let o=n.getRGBTransferFunction();if(o){const r=new Float32Array(3*t.rowLength);for(let i=0;i<1;i++){o=n.getRGBTransferFunction(i);const a=o.getRange();o.getTable(a[0],a[1],t.rowLength,r,1);for(let n=0;n{n();const r=t.device.getTextureManager().getTextureForImageData(t.currentInput),o=t.textureViews;if(!o[0]||o[0].getTexture()!==r){const e=r.createView("imgTexture");o[0]=e}e.updateLUTImage(),e.updateUBO();const i=t.WebGPUImageSlice.getRenderable().getProperty().getInterpolationType()===Ts?"nearest":"linear";t.clampSampler&&i===t.clampSampler.getOptions().minFilter||(t.clampSampler=vc.newInstance({label:"clampSampler"}),t.clampSampler.create(t.device,{minFilter:i,magFilter:i}),t.additionalBindables=[t.clampSampler])};const r=e.getShaderReplacements();e.replaceShaderPosition=(e,n,r)=>{const o=n.getShaderDescription("vertex");o.addBuiltinOutput("vec4","@builtin(position) Position");let i=o.getCode();const a=["var pos: vec4 = mapperUBO.Origin +"," (vertexBC.x * 0.5 + 0.5) * mapperUBO.Axis1 + (vertexBC.y * 0.5 + 0.5) * mapperUBO.Axis2;","pos.w = 1.0;"];2===t.dimensions?a.push("var tcoord : vec2 = (mapperUBO.SCTCMatrix * pos).xy;"):a.push("var tcoord : vec3 = (mapperUBO.SCTCMatrix * pos).xyz;"),a.push("output.tcoordVS = tcoord;","output.Position = rendererUBO.SCPCMatrix * pos;"),i=Fl.substitute(i,"//VTK::Position::Impl",a).result,o.setCode(i)},r.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderTCoord=(e,n,r)=>{const o=n.getShaderDescription("vertex");2===t.dimensions?o.addOutput("vec2","tcoordVS"):o.addOutput("vec3","tcoordVS")},r.set("replaceShaderTCoord",e.replaceShaderTCoord),e.replaceShaderImage=(e,n,r)=>{const o=n.getShaderDescription("fragment");let i=o.getCode();t.dimensions,i=Fl.substitute(i,"//VTK::Image::Sample",[" var computedColor: vec4 ="," textureSampleLevel(imgTexture, clampSampler, input.tcoordVS, 0.0);","//VTK::Image::Sample"]).result,i=Fl.substitute(i,"//VTK::Image::Sample",[" var coord: vec2 ="," vec2(computedColor.r * mapperUBO.cScale.r + mapperUBO.cShift.r, 0.5);"," computedColor = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);"]).result,o.setCode(i)},r.set("replaceShaderImage",e.replaceShaderImage)}const Ac={rowLength:1024};const Ec=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ac,n),du.extend(e,t,n),e.setFragmentShaderTemplate(bc),t.UBO=ac.newInstance({label:"mapperUBO"}),t.UBO.addEntry("SCTCMatrix","mat4x4"),t.UBO.addEntry("Origin","vec4"),t.UBO.addEntry("Axis2","vec4"),t.UBO.addEntry("Axis1","vec4"),t.UBO.addEntry("cScale","vec4"),t.UBO.addEntry("cShift","vec4"),t.lutBuildTime={},je(t.lutBuildTime,{mtime:0}),t.imagemat=f(new Float64Array(16)),t.imagematinv=f(new Float64Array(16)),t.VBOBuildTime={},je(t.VBOBuildTime),Cc(e,t)}),"vtkWebGPUImageMapper");function Dc(e,t){t.classHierarchy.push("vtkWebGPUImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes()}},e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t.WebGPURenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t.WebGPURenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.getBufferShift=n=>(e.getKeyMatrices(n),t.bufferShift),e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix(),r=e.getStabilizedCenterByReference();t.bufferShift[0]=n[3]-r[0],t.bufferShift[1]=n[7]-r[1],t.bufferShift[2]=n[11]-r[2],h(t.keyMatrices.bcwc,n),t.renderable.getIsIdentity()?f(t.keyMatrices.normalMatrix):(c(t.keyMatrices.normalMatrix,t.keyMatrices.bcwc),t.keyMatrices.normalMatrix[3]=0,t.keyMatrices.normalMatrix[7]=0,t.keyMatrices.normalMatrix[11]=0,m(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix),h(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix)),b(t.keyMatrices.bcwc,t.keyMatrices.bcwc,[-t.bufferShift[0],-t.bufferShift[1],-t.bufferShift[2]]),b(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]),t.keyMatricesTime.modified()}return t.keyMatrices}}gl("vtkImageMapper",Ec);const Ic={bufferShift:void 0,keyMatrixTime:null,keyMatrices:null,propID:void 0};const Oc=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ic,n),Tt.extend(e,t,n),t.keyMatricesTime={},je(t.keyMatricesTime,{mtime:0}),t.keyMatrices={normalMatrix:new Float64Array(16),bcwc:new Float64Array(16),bcsc:new Float64Array(16)},t.keyMatrixTime={},je(t.keyMatrixTime,{mtime:0}),t.keyMatrices={mcwc:f(new Float64Array(16))},t.bufferShift=[0,0,0,0],He(e,t,["propID","keyMatricesTime"]),Dc(e,t)}),"vtkWebGPUImageSlice");function Pc(e,t){t.classHierarchy.push("vtkWebGPUVolume"),e.buildPass=n=>{t.renderable&&t.renderable.getVisibility()&&n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),t.renderable.getMapper().update())},e.queryPass=(n,r)=>{if(n){if(!t.renderable||!t.renderable.getVisibility())return;const n=t.renderable.getMapper().getBounds();if(!n||6!==n.length||n[0]>n[1])return;r.addVolume(e)}};const n=new Float64Array(3),r=new Float64Array(3);e.getBoundingCubePoints=(e,o)=>{const i=t.renderable.getMapper().getInputData();if(!i)return;const a=i.getExtent(),s=t.renderable.getMatrix();let l=0;for(let t=4;t<6;t++){n[2]=a[t];for(let t=2;t<4;t++){n[1]=a[t];for(let t=0;t<2;t++){n[0]=a[t],i.indexToWorld(n,r);let u=o+3*l;e[u++]=s[0]*r[0]+s[1]*r[1]+s[2]*r[2]+s[3],e[u++]=s[4]*r[0]+s[5]*r[1]+s[6]*r[2]+s[7],e[u++]=s[8]*r[0]+s[9]*r[1]+s[10]*r[2]+s[11],l++}}}},e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix(),r=e.getStabilizedCenterByReference();h(t.keyMatrices.bcwc,n),b(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]),t.keyMatricesTime.modified()}return t.keyMatrices}}gl("vtkImageSlice",Oc);const Nc={propID:void 0,keyMatricesTime:null};const Mc=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Nc,n),Tt.extend(e,t,n),t.keyMatricesTime={},gt.obj(t.keyMatricesTime,{mtime:0}),t.keyMatrices={bcwc:new Float64Array(16),bcsc:new Float64Array(16)},gt.get(e,t,["propID","keyMatricesTime"]),Pc(e,t)}),"vtkWebGPUVolume");function Rc(e,t){t.classHierarchy.push("vtkWebGPUPixelSpaceCallbackMapper"),e.opaquePass=(n,r)=>{t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent();const o=t.WebGPURenderer.getAspectRatio(),i=t.WebGPURenderer?t.WebGPURenderer.getRenderable().getActiveCamera():null,a=t.WebGPURenderer.getTiledSizeAndOrigin();t.renderable.getUseZValues(),t.renderable.invokeCallback(t.renderable.getInputData(),i,o,a,null)}}gl("vtkVolume",Mc);const Fc={};const kc=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fc,n),Tt.extend(e,t,n),Rc(e,t)}),"vtkWebGPUPixelSpaceCallbackMapper");gl("vtkPixelSpaceCallbackMapper",kc);var Lc=Uint8Array,Bc=Uint16Array,Vc=Uint32Array,Uc=new Lc([0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0,0]),Gc=new Lc([0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,0,0]),zc=new Lc([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]),jc=function(e,t){for(var n=new Bc(31),r=0;r<31;++r)n[r]=t+=1<>>1|(21845&Yc)<<1;Jc=(61680&(Jc=(52428&Jc)>>>2|(13107&Jc)<<2))>>>4|(3855&Jc)<<4,$c[Yc]=((65280&Jc)>>>8|(255&Jc)<<8)>>>1}var Qc=function(e,t,n){for(var r=e.length,o=0,i=new Bc(t);o>>l]=u}else for(a=new Bc(r),o=0;o>>15-e[o]);return a},Zc=new Lc(288);for(Yc=0;Yc<144;++Yc)Zc[Yc]=8;for(Yc=144;Yc<256;++Yc)Zc[Yc]=9;for(Yc=256;Yc<280;++Yc)Zc[Yc]=7;for(Yc=280;Yc<288;++Yc)Zc[Yc]=8;var ed=new Lc(32);for(Yc=0;Yc<32;++Yc)ed[Yc]=5;var td=Qc(Zc,9,1),nd=Qc(ed,5,1),rd=function(e){for(var t=e[0],n=1;nt&&(t=e[n]);return t},od=function(e,t,n){var r=t/8|0;return(e[r]|e[r+1]<<8)>>(7&t)&n},id=function(e,t){var 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Zd.MAGNITUDE:default:{const o=Wr.newInstance({numberOfComponents:1,values:new Float32Array(t.getNumberOfTuples())});e.mapVectorsToMagnitude(t,o,s),e.mapScalarsThroughTable(o,n,r,0);break}}},e.luminanceToRGBA=(e,t,n,r)=>{const o=r(n),i=t.getData(),a=e.getData(),s=i.length;let l=0;for(let e=0;e{const o=t.getData(),i=e.getData(),a=o.length;let s=0;for(let e=0;e{const o=op(n),i=t.getData(),a=e.getData(),s=i.length;let l=0;for(let e=0;e{const o=t.getData(),i=e.getData(),a=o.length;let s=0;for(let e=0;e{let{alpha:i}=t;if(4===r&&i>=1&&n.getDataType()===ep.UNSIGNED_CHAR)return n;const a=Wr.newInstance({numberOfComponents:4,empty:!0,size:4*o,dataType:ep.UNSIGNED_CHAR});if(o<=0)return a;i=i>0?i:0,i=i<1?i:1;let s=rp;switch(n.getDataType()!==ep.FLOAT&&n.getDataType()!==ep.DOUBLE||(s=op),r){case 1:e.luminanceToRGBA(a,n,i,s);break;case 2:e.luminanceAlphaToRGBA(a,n,s);break;case 3:e.rGBToRGBA(a,n,i,s);break;case 4:e.rGBAToRGBA(a,n,i,s);break;default:return np("Cannot convert colors"),null}return 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lp={newInstance:gt.newInstance(sp,"vtkScalarsToColors"),extend:sp,...Yd},up={ColorSpace:{RGB:0,HSV:1,LAB:2,DIVERGING:3},Scale:{LINEAR:0,LOG10:1}};const{ColorSpace:cp,Scale:dp}=up,{ScalarMappingTarget:pp}=lp,{vtkDebugMacro:fp,vtkErrorMacro:hp,vtkWarningMacro:mp}=gt;function gp(e,t){const n=e[0],r=e[1],o=e[2],i=Math.sqrt(n*n+r*r+o*o),a=i>.001?Math.acos(n/i):0,s=a>.001?Math.atan2(o,r):0;t[0]=i,t[1]=a,t[2]=s}function vp(e,t){if(e[0]>=t-.1)return e[2];const n=e[1]*Math.sqrt(t*t-e[0]*e[0])/(e[0]*Math.sin(e[1]));return e[2]>-.3*Math.PI?e[2]+n:e[2]-n}function yp(e,t,n,r){const o=[],i=[];gr(t,o),gr(n,i);const a=[],s=[];gp(o,a),gp(i,s);let l=e;if(a[1]>.05&&s[1]>.05&&function(e,t){let n=e-t;for(n<0&&(n=-n);n>=2*Math.PI;)n-=2*Math.PI;return n>Math.PI&&(n=2*Math.PI-n),n}(a[2],s[2])>.33*Math.PI){let t=Math.max(a[0],s[0]);t=Math.max(88,t),e<.5?(s[0]=t,s[1]=0,s[2]=0,l*=2):(a[0]=t,a[1]=0,a[2]=0,l=2*l-1)}a[1]<.05&&s[1]>.05?a[2]=vp(s,a[0]):s[1]<.05&&a[1]>.05&&(s[2]=vp(a,s[0]));const u=[];u[0]=(1-l)*a[0]+l*s[0],u[1]=(1-l)*a[1]+l*s[1],u[2]=(1-l)*a[2]+l*s[2];const c=[];!function(e,t){const n=e[0],r=e[1],o=e[2];t[0]=n*Math.cos(r),t[1]=n*Math.sin(r)*Math.cos(o),t[2]=n*Math.sin(r)*Math.sin(o)}(u,c),vr(c,r)}function bp(e,t){t.classHierarchy.push("vtkColorTransferFunction"),e.getSize=()=>t.nodes.length,e.addRGBPoint=(t,n,r,o)=>e.addRGBPointLong(t,n,r,o,.5,0),e.addRGBPointLong=function(n,r,o,i){let a=arguments.length>4&&void 0!==arguments[4]?arguments[4]:.5,s=arguments.length>5&&void 0!==arguments[5]?arguments[5]:0;if(a<0||a>1)return hp("Midpoint outside range [0.0, 1.0]"),-1;if(s<0||s>1)return hp("Sharpness outside range [0.0, 1.0]"),-1;t.allowDuplicateScalars||e.removePoint(n);const l={x:n,r:r,g:o,b:i,midpoint:a,sharpness:s};t.nodes.push(l),e.sortAndUpdateRange();let u=0;for(;ue.addHSVPointLong(t,n,r,o,.5,0),e.addHSVPointLong=function(t,n,r,o){let i=arguments.length>4&&void 0!==arguments[4]?arguments[4]:.5,a=arguments.length>5&&void 0!==arguments[5]?arguments[5]:0;const s=[],l=[n,r,o];return dr(l,s),e.addRGBPoint(t,s[0],s[1],s[2],i,a)},e.setNodes=n=>{if(t.nodes!==n){const r=JSON.stringify(t.nodes);t.nodes=n;const o=JSON.stringify(t.nodes);if(e.sortAndUpdateRange()||r!==o)return e.modified(),!0}return!1},e.sortAndUpdateRange=()=>{const n=JSON.stringify(t.nodes);t.nodes.sort(((e,t)=>e.x-t.x));const r=JSON.stringify(t.nodes),o=e.updateRange();return o||n===r?o:(e.modified(),!0)},e.updateRange=()=>{const n=[2];n[0]=t.mappingRange[0],n[1]=t.mappingRange[1];const r=t.nodes.length;return r?(t.mappingRange[0]=t.nodes[0].x,t.mappingRange[1]=t.nodes[r-1].x):(t.mappingRange[0]=0,t.mappingRange[1]=0),(n[0]!==t.mappingRange[0]||n[1]!==t.mappingRange[1])&&(e.modified(),!0)},e.removePoint=n=>{let r=0;for(;r=t.nodes.length)return-1;let i=!1;return t.nodes.splice(r,1),0!==r&&r!==t.nodes.length||(i=e.updateRange()),i||e.modified(),o},e.movePoint=(n,r)=>{if(n!==r){e.removePoint(r);for(let o=0;o{t.nodes=[],e.sortAndUpdateRange()},e.addRGBSegment=(n,r,o,i,a,s,l,u)=>{e.sortAndUpdateRange();for(let e=0;e=n&&t.nodes[e].x<=a?t.nodes.splice(e,1):e++;e.addRGBPointLong(n,r,o,i,.5,0),e.addRGBPointLong(a,s,l,u,.5,0),e.modified()},e.addHSVSegment=(t,n,r,o,i,a,s,l)=>{const u=[a,s,l],c=[],d=[];dr([n,r,o],c),dr(u,d),e.addRGBSegment(t,c[0],c[1],c[2],i,d[0],d[1],d[2])},e.mapValue=t=>{const n=[];return e.getColor(t,n),[Math.floor(255*n[0]+.5),Math.floor(255*n[1]+.5),Math.floor(255*n[2]+.5),255]},e.getColor=(n,r)=>{if(t.indexedLookup){const t=e.getSize(),o=e.getAnnotatedValueIndexInternal(n);if(o<0||0===t){const t=e.getNanColorByReference();r[0]=t[0],r[1]=t[1],r[2]=t[2]}else{const n=[];e.getNodeValue(o%t,n),r[0]=n[1],r[1]=n[2],r[2]=n[3]}}else e.getTable(n,n,1,r)},e.getRedValue=t=>{const n=[];return e.getColor(t,n),n[0]},e.getGreenValue=t=>{const n=[];return e.getColor(t,n),n[1]},e.getBlueValue=t=>{const n=[];return e.getColor(t,n),n[2]},e.getTable=(n,r,o,i)=>{const a=Number(n),s=Number(r);if(Er(a)||Er(s)){for(let e=0;e0);let T=0,S=0,w=0;_&&(T=Math.log10(a),S=Math.log10(s));for(let n=0;n1?_?(w=T+n/(o-1)*(S-T),f=10**w):f=a+n/(o-1)*(s-a):_?(w=.5*(T+S),f=10**w):f=.5*(a+s),t.discretize){const e=t.mappingRange;if(f>=e[0]&&f<=e[1]){const n=t.numberOfValues,r=e[1]-e[0];if(n<=1)f=e[0]+r/2;else{const t=(f-e[0])/r,o=Sn(n*t);f=e[0]+o/(n-1)*r}}}for(;lt.nodes[l].x;)l++,l.99999&&(y=.99999));if(f>t.mappingRange[1])i[r]=0,i[r+1]=0,i[r+2]=0,t.clamping&&(e.getUseAboveRangeColor()?(i[r]=t.aboveRangeColor[0],i[r+1]=t.aboveRangeColor[1],i[r+2]=t.aboveRangeColor[2]):(i[r]=c,i[r+1]=d,i[r+2]=p));else if(f0&&(i[r]=t.nodes[0].r,i[r+1]=t.nodes[0].g,i[r+2]=t.nodes[0].b));else if(0===l&&(Math.abs(f-a)<1e-6||t.discretize))u>0?(i[r]=t.nodes[0].r,i[r+1]=t.nodes[0].g,i[r+2]=t.nodes[0].b):(i[r]=0,i[r+1]=0,i[r+2]=0);else{let e=0;if(e=_?(w-h)/(m-h):(f-h)/(m-h),e=e.99){if(e<.5){i[r]=g[0],i[r+1]=g[1],i[r+2]=g[2];continue}i[r]=v[0],i[r+1]=v[1],i[r+2]=v[2];continue}if(b<.01){if(t.colorSpace===cp.RGB)i[r]=(1-e)*g[0]+e*v[0],i[r+1]=(1-e)*g[1]+e*v[1],i[r+2]=(1-e)*g[2]+e*v[2];else if(t.colorSpace===cp.HSV){const n=[],o=[];cr(g,n),cr(v,o),t.hSVWrap&&(n[0]-o[0]>.5||o[0]-n[0]>.5)&&(n[0]>o[0]?n[0]-=1:o[0]-=1);const a=[];a[0]=(1-e)*n[0]+e*o[0],a[0]<0&&(a[0]+=1),a[1]=(1-e)*n[1]+e*o[1],a[2]=(1-e)*n[2]+e*o[2],dr(a,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else if(t.colorSpace===cp.LAB){const t=[],n=[];gr(g,t),gr(v,n);const o=[];o[0]=(1-e)*t[0]+e*n[0],o[1]=(1-e)*t[1]+e*n[1],o[2]=(1-e)*t[2]+e*n[2],vr(o,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else t.colorSpace===cp.DIVERGING?(yp(e,g,v,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]):hp("ColorSpace set to invalid value.",t.colorSpace);continue}e<.5?e=.5*(2*e)**(1+10*b):e>.5&&(e=1-.5*(2*(1-e))**(1+10*b));const n=e*e,o=n*e,a=2*o-3*n+1,s=-2*o+3*n,l=o-2*n+e,u=o-n;let c,d;if(t.colorSpace===cp.RGB)for(let e=0;e<3;e++)c=v[e]-g[e],d=(1-b)*c,i[r+e]=a*g[e]+s*v[e]+l*d+u*d;else if(t.colorSpace===cp.HSV){const e=[],n=[];cr(g,e),cr(v,n),t.hSVWrap&&(e[0]-n[0]>.5||n[0]-e[0]>.5)&&(e[0]>n[0]?e[0]-=1:n[0]-=1);const o=[];for(let t=0;t<3;t++)c=n[t]-e[t],d=(1-b)*c,o[t]=a*e[t]+s*n[t]+l*d+u*d,0===t&&o[t]<0&&(o[t]+=1);dr(o,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else if(t.colorSpace===cp.LAB){const e=[],t=[];gr(g,e),gr(v,t);const n=[];for(let r=0;r<3;r++)c=t[r]-e[r],d=(1-b)*c,n[r]=a*e[r]+s*t[r]+l*d+u*d;vr(n,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else t.colorSpace===cp.DIVERGING?(yp(e,g,v,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]):hp("ColorSpace set to invalid value.");for(let e=0;e<3;e++)i[r+e]=i[r+e]<0?0:i[r+e],i[r+e]=i[r+e]>1?1:i[r+e]}}},e.getUint8Table=function(n,r,o){let i=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(e.getMTime()<=t.buildTime&&t.tableSize===o&&t.tableWithAlpha!==i)return t.table;if(0===t.nodes.length)return hp("Attempting to lookup a value with no points in the function"),t.table;const a=i?4:3;t.tableSize===o&&t.tableWithAlpha===i||(t.table=new Uint8Array(o*a),t.tableSize=o,t.tableWithAlpha=i);const s=[];e.getTable(n,r,o,s);for(let e=0;e{e.removeAllPoints();const r=n.getNumberOfComponents();for(let e=0;e{let a=0;e.removeAllPoints(),o>1&&(a=(r-n)/(o-1));for(let e=0;ee<0||e>=t.nodes.length?(hp("Index out of range!"),-1):(n[0]=t.nodes[e].x,n[1]=t.nodes[e].r,n[2]=t.nodes[e].g,n[3]=t.nodes[e].b,n[4]=t.nodes[e].midpoint,n[5]=t.nodes[e].sharpness,1),e.setNodeValue=(n,r)=>{if(n<0||n>=t.nodes.length)return hp("Index out of range!"),-1;const o=t.nodes[n].x;return t.nodes[n].x=r[0],t.nodes[n].r=r[1],t.nodes[n].g=r[2],t.nodes[n].b=r[3],t.nodes[n].midpoint=r[4],t.nodes[n].sharpness=r[5],o!==r[0]?e.sortAndUpdateRange():e.modified(),1},e.getNumberOfAvailableColors=()=>t.indexedLookup&&e.getSize()?e.getSize():t.tableSize?t.tableSize:16777216,e.getIndexedColor=(t,n)=>{const r=e.getSize();if(r>0&&t>=0){const o=[];e.getNodeValue(t%r,o);for(let e=0;e<3;++e)n[e]=o[e+1];return void(n[3]=1)}const o=e.getNanColorByReference();n[0]=o[0],n[1]=o[1],n[2]=o[2],n[3]=1},e.fillFromDataPointer=(t,n)=>{if(!(t<=0)&&n){e.removeAllPoints();for(let r=0;r{const o=[n,r],i=e.getRange();if(i[1]===o[1]&&i[0]===o[0])return;if(o[1]===o[0])return void hp("attempt to set zero width color range");const a=(o[1]-o[0])/(i[1]-i[0]),s=o[0]-i[0]*a;for(let e=0;e{const r=e.getRange(),o=[];r[0]n[1]?(e.getColor(n[1],o),e.addRGBPoint(n[1],o[0],o[1],o[2])):(e.getColor(r[1],o),e.addRGBPoint(n[1],o[0],o[1],o[2])),e.sortAndUpdateRange();for(let e=0;e=n[0]&&t.nodes[e].x<=n[1]?t.nodes.splice(e,1):++e;return 1},e.estimateMinNumberOfSamples=(t,n)=>{const r=e.findMinimumXDistance();return Math.ceil((n-t)/r)},e.findMinimumXDistance=()=>{if(t.nodes.length<2)return-1;let e=Number.MAX_VALUE;for(let n=0;n{0!==e.getSize()?t.indexedLookup?e.mapDataIndexed(n,r,o,i):e.mapData(n,r,o,i):fp("Transfer Function Has No Points!")},e.mapData=(t,n,r,o)=>{if(0===e.getSize())return void mp("Transfer Function Has No Points!");const i=Math.floor(255*e.getAlpha()+.5),a=t.getNumberOfTuples(),s=t.getNumberOfComponents(),l=n.getData(),u=t.getData(),c=[];if(r===pp.RGBA)for(let t=0;t{const r=JSON.stringify(t.colorSpace);n.ColorSpace&&(t.colorSpace=cp[n.ColorSpace.toUpperCase()],void 0===t.colorSpace&&(hp(`ColorSpace ${n.ColorSpace} not supported, using RGB instead`),t.colorSpace=cp.RGB));let o=r!==JSON.stringify(t.colorSpace);const i=o||JSON.stringify(t.nanColor);if(n.NanColor)for(t.nanColor=[].concat(n.NanColor);t.nanColor.length<4;)t.nanColor.push(1);o=o||i!==JSON.stringify(t.nanColor);const a=o||JSON.stringify(t.nodes);if(n.RGBPoints){const e=n.RGBPoints.length;t.nodes=[];const r=.5,o=0;for(let i=0;i2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,xp,n),lp.extend(e,t,n),t.table=[],t.nodes=[],t.nanColor=[.5,0,0,1],t.belowRangeColor=[0,0,0,1],t.aboveRangeColor=[1,1,1,1],t.buildTime={},gt.obj(t.buildTime),gt.get(e,t,["buildTime","mappingRange"]),gt.setGet(e,t,["useAboveRangeColor","useBelowRangeColor","colorSpace","discretize","numberOfValues"]),gt.setArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"],4),gt.getArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"]),bp(e,t)}var Tp={newInstance:gt.newInstance(_p,"vtkColorTransferFunction"),extend:_p,...up};const{vtkDebugMacro:Sp}=gt;function wp(e,t){t.classHierarchy.push("vtkCamera");const n=new Float64Array(3),r=new Float64Array([0,0,-1]),o=new Float64Array([0,1,0]),i=f(new Float64Array(16)),a=f(new Float64Array(16)),s=new Float64Array(3),l=new Float64Array(3),u=new Float64Array(3),d=f(new Float64Array(16)),p=f(new Float64Array(16)),g=new Float64Array(3),v=new Float64Array(3);function T(){t.viewPlaneNormal[0]=-t.directionOfProjection[0],t.viewPlaneNormal[1]=-t.directionOfProjection[1],t.viewPlaneNormal[2]=-t.directionOfProjection[2]}e.orthogonalizeViewUp=()=>{const n=e.getViewMatrix();t.viewUp[0]=n[4],t.viewUp[1]=n[5],t.viewUp[2]=n[6],e.modified()},e.setPosition=(n,r,o)=>{n===t.position[0]&&r===t.position[1]&&o===t.position[2]||(t.position[0]=n,t.position[1]=r,t.position[2]=o,e.computeDistance(),e.modified())},e.setFocalPoint=(n,r,o)=>{n===t.focalPoint[0]&&r===t.focalPoint[1]&&o===t.focalPoint[2]||(t.focalPoint[0]=n,t.focalPoint[1]=r,t.focalPoint[2]=o,e.computeDistance(),e.modified())},e.setDistance=n=>{if(t.distance===n)return;t.distance=n,t.distance<1e-20&&(t.distance=1e-20,Sp("Distance is set to minimum."));const r=t.directionOfProjection;t.focalPoint[0]=t.position[0]+r[0]*t.distance,t.focalPoint[1]=t.position[1]+r[1]*t.distance,t.focalPoint[2]=t.position[2]+r[2]*t.distance,e.modified()},e.computeDistance=()=>{const e=t.focalPoint[0]-t.position[0],n=t.focalPoint[1]-t.position[1],r=t.focalPoint[2]-t.position[2];if(t.distance=Math.sqrt(e*e+n*n+r*r),t.distance<1e-20){t.distance=1e-20,Sp("Distance is set to minimum.");const e=t.directionOfProjection;t.focalPoint[0]=t.position[0]+e[0]*t.distance,t.focalPoint[1]=t.position[1]+e[1]*t.distance,t.focalPoint[2]=t.position[2]+e[2]*t.distance}t.directionOfProjection[0]=e/t.distance,t.directionOfProjection[1]=n/t.distance,t.directionOfProjection[2]=r/t.distance,T()},e.dolly=n=>{if(n<=0)return;const r=t.distance/n;e.setPosition(t.focalPoint[0]-r*t.directionOfProjection[0],t.focalPoint[1]-r*t.directionOfProjection[1],t.focalPoint[2]-r*t.directionOfProjection[2])},e.roll=n=>{const r=t.position,o=t.focalPoint,i=t.viewUp,a=new Float64Array([i[0],i[1],i[2],0]);f(d);const s=new Float64Array([o[0]-r[0],o[1]-r[1],o[2]-r[2]]);_(d,d,xn(n),s),Mo(a,a,d),t.viewUp[0]=a[0],t.viewUp[1]=a[1],t.viewUp[2]=a[2],e.modified()},e.azimuth=n=>{const 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r=[...t.viewUp,1],o=[],i=[],a=[];r[0]+=t.position[0],r[1]+=t.position[1],r[2]+=t.position[2],Mo(o,[...t.position,1],n),Mo(i,[...t.focalPoint,1],n),Mo(a,r,n),a[0]-=o[0],a[1]-=o[1],a[2]-=o[2],e.setPosition(...o.slice(0,3)),e.setFocalPoint(...i.slice(0,3)),e.setViewUp(...a.slice(0,3))},e.getThickness=()=>t.clippingRange[1]-t.clippingRange[0],e.setThickness=n=>{let r=n;r<1e-20&&(r=1e-20,Sp("Thickness is set to minimum.")),e.setClippingRange(t.clippingRange[0],t.clippingRange[0]+r)},e.setThicknessFromFocalPoint=n=>{let r=n;r<1e-20&&(r=1e-20,Sp("Thickness is set to 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a=(t.windowCenter[0]-1)*r,s=(t.windowCenter[0]+1)*r,u=(t.windowCenter[1]-1)*o,c=(t.windowCenter[1]+1)*o,d=l[0],p=l[1];i[0]=2*d/(s-a),i[5]=2*d/(c-u),i[2]=(a+s)/(s-a),i[6]=(u+c)/(c-u),i[10]=-(d+p)/(p-d),i[14]=-1,i[11]=-2*d*p/(p-d),i[15]=0}}return c(o,i),o},e.getCompositeProjectionMatrix=(t,n,r)=>{const o=e.getViewMatrix(),i=e.getProjectionMatrix(t,n,r);return y(i,o,i),i},e.setDirectionOfProjection=(e,n,r)=>{if(t.directionOfProjection[0]===e&&t.directionOfProjection[1]===n&&t.directionOfProjection[2]===r)return;t.directionOfProjection[0]=e,t.directionOfProjection[1]=n,t.directionOfProjection[2]=r;const o=t.directionOfProjection;t.focalPoint[0]=t.position[0]+o[0]*t.distance,t.focalPoint[1]=t.position[1]+o[1]*t.distance,t.focalPoint[2]=t.position[2]+o[2]*t.distance,T()},e.setDeviceAngles=(n,r,o,i)=>{const a=[3];Bn(t.physicalViewNorth,t.physicalViewUp,a);const s=f(new 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r>e&&(e=r),e},e.getTransparent=()=>!!t.preserveColorBuffer,e.isActiveCameraCreated=()=>!!t.activeCamera}const Cf={pickedProp:null,activeCamera:null,allBounds:[],ambient:[1,1,1],allocatedRenderTime:100,timeFactor:1,automaticLightCreation:!0,twoSidedLighting:!0,lastRenderTimeInSeconds:-1,renderWindow:null,lights:[],actors:[],volumes:[],lightFollowCamera:!0,numberOfPropsRendered:0,propArray:null,pathArray:null,layer:0,preserveColorBuffer:!1,preserveDepthBuffer:!1,computeVisiblePropBounds:Dr(),interactive:!0,nearClippingPlaneTolerance:0,clippingRangeExpansion:.05,erase:!0,draw:!0,useShadows:!1,useDepthPeeling:!1,occlusionRatio:0,maximumNumberOfPeels:4,selector:null,delegate:null,texturedBackground:!1,backgroundTexture:null,environmentTexture:null,environmentTextureDiffuseStrength:1,environmentTextureSpecularStrength:1,useEnvironmentTextureAsBackground:!1,pass:0};function Af(e,t){let n=arguments.length>2&&void 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Df=Object.create(null);function If(e,t){Df[e]=t}function Of(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return Df[e]&&Df[e](t)}function Pf(e,t){t.classHierarchy.push("vtkRenderWindow"),e.addRenderer=n=>{e.hasRenderer(n)||(n.setRenderWindow(e),t.renderers.push(n),e.modified())},e.removeRenderer=n=>{t.renderers=t.renderers.filter((e=>e!==n)),e.modified()},e.hasRenderer=e=>-1!==t.renderers.indexOf(e),e.newAPISpecificView=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return Of(e||t.defaultViewAPI,n)},e.addView=n=>{e.hasView(n)||(n.setRenderable(e),t._views.push(n),e.modified())},e.removeView=n=>{t._views=t._views.filter((e=>e!==n)),e.modified()},e.hasView=e=>-1!==t._views.indexOf(e),e.preRender=()=>{t.renderers.forEach((e=>{e.isActiveCameraCreated()||e.resetCamera()}))},e.render=()=>{e.preRender(),t.interactor?t.interactor.render():t._views.forEach((e=>e.traverseAllPasses()))},e.getStatistics=()=>{const e={propCount:0,invisiblePropCount:0,gpuMemoryMB:0};return t._views.forEach((t=>{e.gpuMemoryMB+=t.getGraphicsMemoryInfo()/1e6})),t.renderers.forEach((n=>{const r=n.getViewProps(),o=t._views[0].getViewNodeFor(n);r.forEach((t=>{if(t.getVisibility()){e.propCount+=1;const n=t.getMapper&&t.getMapper();if(n&&n.getPrimitiveCount){const t=o.getViewNodeFor(n);if(t){e.gpuMemoryMB+=t.getAllocatedGPUMemoryInBytes()/1e6;const r=n.getPrimitiveCount();Object.keys(r).forEach((t=>{e[t]||(e[t]=0),e[t]+=r[t]}))}}}else e.invisiblePropCount+=1}))})),e.str=Object.keys(e).map((t=>`${t}: ${e[t]}`)).join("\n"),e},e.captureImages=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"image/png",r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return gt.setImmediate(e.render),t._views.map((e=>e.captureNextImage?e.captureNextImage(n,r):void 0)).filter((e=>!!e))}}const Nf={defaultViewAPI:"WebGL",renderers:[],views:[],interactor:null,neverRendered:!0,numberOfLayers:1};function 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Lf={Device:Ff,Input:kf,Axis:{Unknown:0,TouchpadX:1,TouchpadY:2,ThumbstickX:3,ThumbstickY:4}};const{Device:Bf,Input:Vf}=Lf,{vtkWarningMacro:Uf,vtkErrorMacro:Gf,normalizeWheel:zf,vtkOnceErrorMacro:jf}=gt,Wf={ctrlKey:!1,altKey:!1,shiftKey:!1},Hf={"xr-standard":[Vf.Trigger,Vf.Grip,Vf.TrackPad,Vf.Thumbstick,Vf.A,Vf.B]},Xf=["StartAnimation","Animation","EndAnimation","PointerEnter","PointerLeave","MouseEnter","MouseLeave","StartMouseMove","MouseMove","EndMouseMove","LeftButtonPress","LeftButtonRelease","MiddleButtonPress","MiddleButtonRelease","RightButtonPress","RightButtonRelease","KeyPress","KeyDown","KeyUp","StartMouseWheel","MouseWheel","EndMouseWheel","StartPinch","Pinch","EndPinch","StartPan","Pan","EndPan","StartRotate","Rotate","EndRotate","Button3D","Move3D","StartPointerLock","EndPointerLock","StartInteraction","Interaction","EndInteraction","AnimationFrameRateUpdate"];function Kf(e){e.cancelable&&e.preventDefault()}function qf(e){const t=Object.create(null);return e.forEach((e=>{let{pointerId:n,position:r}=e;t[n]=r})),t}function $f(e,t){t.classHierarchy.push("vtkRenderWindowInteractor");const n=new Set,r=new Map;let o=1;function i(n,r){t._forcedRenderer||(t.currentRenderer=e.findPokedRenderer(n,r))}e.start=()=>{(t.initialized||(e.initialize(),t.initialized))&&e.startEventLoop()},e.setRenderWindow=e=>{Gf("you want to call setView(view) instead of setRenderWindow on a vtk.js interactor")},e.setInteractorStyle=n=>{t.interactorStyle!==n&&(null!=t.interactorStyle&&t.interactorStyle.setInteractor(null),t.interactorStyle=n,null!=t.interactorStyle&&t.interactorStyle.getInteractor()!==e&&t.interactorStyle.setInteractor(e))},e.initialize=()=>{t.initialized=!0,e.enable(),e.render()},e.enable=()=>e.setEnabled(!0),e.disable=()=>e.setEnabled(!1),e.startEventLoop=()=>Uf("empty event loop"),e.getCurrentRenderer=()=>(t.currentRenderer||i(0,0),t.currentRenderer);const a=t._getScreenEventPositionFor||function(e){const n=t._view.getCanvas(),o=n.getBoundingClientRect(),a=n.width/o.width,s=n.height/o.height,l={x:a*(e.clientX-o.left),y:s*(o.height-e.clientY+o.top),z:0};return(r.size<=1||!t.currentRenderer)&&i(l.x,l.y),l};function s(e){return{controlKey:e.ctrlKey,altKey:e.altKey,shiftKey:e.shiftKey}}function l(e){const t=s(e);return{key:e.key,keyCode:e.charCode,...t}}function u(e){return e.pointerType||""}function c(){t._view&&t.enabled&&t.enableRender&&(t.inRender=!0,t._view.traverseAllPasses(),t.inRender=!1),e.invokeRenderEvent()}e.bindEvents=n=>{t.container=n,n.addEventListener("contextmenu",Kf),n.addEventListener("wheel",e.handleWheel),n.addEventListener("DOMMouseScroll",e.handleWheel),n.addEventListener("pointerenter",e.handlePointerEnter),n.addEventListener("pointerleave",e.handlePointerLeave),n.addEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.addEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.addEventListener("pointerup",e.handlePointerUp),n.addEventListener("pointercancel",e.handlePointerCancel),document.addEventListener("keypress",e.handleKeyPress),document.addEventListener("keydown",e.handleKeyDown),document.addEventListener("keyup",e.handleKeyUp),document.addEventListener("pointerlockchange",e.handlePointerLockChange),n.style.touchAction="none",n.style.userSelect="none",n.style.webkitTapHighlightColor="rgba(0,0,0,0)"},e.unbindEvents=()=>{const{container:n}=t;n.removeEventListener("contextmenu",Kf),n.removeEventListener("wheel",e.handleWheel),n.removeEventListener("DOMMouseScroll",e.handleWheel),n.removeEventListener("pointerenter",e.handlePointerEnter),n.removeEventListener("pointerleave",e.handlePointerLeave),n.removeEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.removeEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.removeEventListener("pointerup",e.handlePointerUp),n.removeEventListener("pointercancel",e.handlePointerCancel),document.removeEventListener("keypress",e.handleKeyPress),document.removeEventListener("keydown",e.handleKeyDown),document.removeEventListener("keyup",e.handleKeyUp),document.removeEventListener("pointerlockchange",e.handlePointerLockChange),t.container=null,r.clear()},e.handleKeyPress=t=>{const n=l(t);e.keyPressEvent(n)},e.handleKeyDown=t=>{const n=l(t);e.keyDownEvent(n)},e.handleKeyUp=t=>{const n=l(t);e.keyUpEvent(n)},e.handlePointerEnter=t=>{const n={...s(t),position:a(t),deviceType:u(t)};e.pointerEnterEvent(n),"mouse"===n.deviceType&&e.mouseEnterEvent(n)},e.handlePointerLeave=t=>{const n={...s(t),position:a(t),deviceType:u(t)};e.pointerLeaveEvent(n),"mouse"===n.deviceType&&e.mouseLeaveEvent(n)},e.handlePointerDown=n=>{if(!(n.button>2||e.isPointerLocked()))switch(t.preventDefaultOnPointerDown&&Kf(n),n.target.hasPointerCapture(n.pointerId)&&n.target.releasePointerCapture(n.pointerId),t.container.setPointerCapture(n.pointerId),r.has(n.pointerId)&&Uf("[RenderWindowInteractor] duplicate pointerId 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pressed: ${t.button}`)}},e.requestPointerLock=()=>{t.container&&t.container.requestPointerLock()},e.exitPointerLock=()=>document.exitPointerLock?.(),e.isPointerLocked=()=>!!t.container&&document.pointerLockElement===t.container,e.handlePointerLockChange=()=>{e.isPointerLocked()?e.startPointerLockEvent():e.endPointerLockEvent()},e.requestAnimation=r=>{void 0!==r?n.has(r)?Uf("requester is already registered for animating"):(n.add(r),t.animationRequest||1!==n.size||t.xrAnimation||(t._animationStartTime=Date.now(),t._animationFrameCount=0,t.animationRequest=requestAnimationFrame(e.handleAnimation),e.startAnimationEvent())):Gf("undefined requester, can not start animating")},e.extendAnimation=r=>{const o=Date.now()+r;t._animationExtendedEnd=Math.max(t._animationExtendedEnd,o),t.animationRequest||0!==n.size||t.xrAnimation||(t._animationStartTime=Date.now(),t._animationFrameCount=0,t.animationRequest=requestAnimationFrame(e.handleAnimation),e.startAnimationEvent())},e.isAnimating=()=>t.xrAnimation||null!==t.animationRequest,e.cancelAnimation=function(r){let o=arguments.length>1&&void 0!==arguments[1]&&arguments[1];if(n.has(r))n.delete(r),t.animationRequest&&0===n.size&&Date.now()>t._animationExtendedEnd&&(cancelAnimationFrame(t.animationRequest),t.animationRequest=null,e.endAnimationEvent(),e.render());else if(!o){const e=r&&r.getClassName?r.getClassName():r;Uf(`${e} did not request an animation`)}},e.switchToXRAnimation=()=>{t.animationRequest&&(cancelAnimationFrame(t.animationRequest),t.animationRequest=null),t.xrAnimation=!0},e.returnFromXRAnimation=()=>{t.xrAnimation=!1,0!==n.size&&(t.recentAnimationFrameRate=10,t.animationRequest=requestAnimationFrame(e.handleAnimation))},e.updateXRGamepads=(n,r,o)=>{n.inputSources.forEach((n=>{const i=null==n.gripSpace?null:r.getPose(n.gripSpace,o),a=n.gamepad,s=n.handedness;if(a){a.index in t.lastGamepadValues||(t.lastGamepadValues[a.index]={left:{buttons:{}},right:{buttons:{}},none:{buttons:{}}});for(let r=0;r{const r={...s(n),position:a(n),deviceType:u(n)};0===t.moveTimeoutID?e.startMouseMoveEvent(r):(e.mouseMoveEvent(r),clearTimeout(t.moveTimeoutID)),t.moveTimeoutID=setTimeout((()=>{e.endMouseMoveEvent(),t.moveTimeoutID=0}),200)},e.handleAnimation=()=>{const r=Date.now();t._animationFrameCount++,r-t._animationStartTime>1e3&&t._animationFrameCount>1&&(t.recentAnimationFrameRate=1e3*(t._animationFrameCount-1)/(r-t._animationStartTime),t.lastFrameTime=1/t.recentAnimationFrameRate,e.animationFrameRateUpdateEvent(),t._animationStartTime=r,t._animationFrameCount=1),e.animationEvent(),c(),n.size>0||Date.now(){Kf(n);const r={...zf(n),...s(n),position:a(n),deviceType:u(n)};0===t.wheelTimeoutID&&(o=Math.abs(r.spinY)>=.3?Math.abs(r.spinY):1),r.spinY/=o,0===t.wheelTimeoutID?(e.startMouseWheelEvent(r),e.mouseWheelEvent(r)):(e.mouseWheelEvent(r),clearTimeout(t.wheelTimeoutID)),t.mouseScrollDebounceByPass?(e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0):t.wheelTimeoutID=setTimeout((()=>{e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0}),200)},e.handleMouseUp=t=>{const n={...s(t),position:a(t),deviceType:u(t)};switch(t.button){case 0:e.leftButtonReleaseEvent(n);break;case 1:e.middleButtonReleaseEvent(n);break;case 2:e.rightButtonReleaseEvent(n);break;default:Gf(`Unknown mouse button released: ${t.button}`)}},e.handleTouchStart=n=>{const o=[...r.values()];if(t.recognizeGestures&&o.length>1){const t=qf(r);if(2===o.length){const t={...s(Wf),position:o[0].position,deviceType:u(n)};e.leftButtonReleaseEvent(t)}e.recognizeGesture("TouchStart",t)}else if(1===o.length){const t={...s(Wf),position:a(n),deviceType:u(n)};e.leftButtonPressEvent(t)}},e.handleTouchMove=n=>{const o=[...r.values()];if(t.recognizeGestures&&o.length>1){const t=qf(r);e.recognizeGesture("TouchMove",t)}else if(1===o.length){const t={...s(Wf),position:o[0].position,deviceType:u(n)};e.mouseMoveEvent(t)}},e.handleTouchEnd=n=>{const o=[...r.values()];if(t.recognizeGestures)if(0===o.length){const t={...s(Wf),position:a(n),deviceType:u(n)};e.leftButtonReleaseEvent(t)}else if(1===o.length){const t=qf(r);e.recognizeGesture("TouchEnd",t);const i={...s(Wf),position:o[0].position,deviceType:u(n)};e.leftButtonPressEvent(i)}else{const t=qf(r);e.recognizeGesture("TouchMove",t)}else if(1===o.length){const t={...s(Wf),position:o[0].position,deviceType:u(n)};e.leftButtonReleaseEvent(t)}},e.setView=n=>{t._view!==n&&(t._view=n,t._view.getRenderable().setInteractor(e),e.modified())},e.getFirstRenderer=()=>t._view?.getRenderable()?.getRenderersByReference()?.[0],e.findPokedRenderer=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;if(!t._view)return null;const r=t._view?.getRenderable()?.getRenderers();if(!r||0===r.length)return null;r.sort(((e,t)=>e.getLayer()-t.getLayer()));let o=null,i=null,a=null,s=r.length;for(;s--;){const l=r[s];if(t._view.isInViewport(e,n,l)&&l.getInteractive()){a=l;break}null===o&&l.getInteractive()&&(o=l),null===i&&t._view.isInViewport(e,n,l)&&(i=l)}return null===a&&(a=o),null===a&&(a=i),null==a&&(a=r[0]),a},e.render=()=>{e.isAnimating()||t.inRender||c()},Xf.forEach((n=>{const r=n.charAt(0).toLowerCase()+n.slice(1);e[`${r}Event`]=r=>{if(!t.enabled)return;if(!e.getCurrentRenderer())return void jf("\n Can not forward events without a current renderer on the interactor.\n ");const o={type:n,pokedRenderer:t.currentRenderer,firstRenderer:e.getFirstRenderer(),...r};e[`invoke${n}`](o)}})),e.recognizeGesture=(n,r)=>{if(Object.keys(r).length>2)return;if(t.startingEventPositions||(t.startingEventPositions={}),"TouchStart"===n)return Object.keys(r).forEach((e=>{t.startingEventPositions[e]=r[e]})),void(t.currentGesture="Start");if("TouchEnd"===n)return"Pinch"===t.currentGesture&&(e.render(),e.endPinchEvent()),"Rotate"===t.currentGesture&&(e.render(),e.endRotateEvent()),"Pan"===t.currentGesture&&(e.render(),e.endPanEvent()),t.currentGesture="Start",void(t.startingEventPositions={});let o=0;const i=[],a=[];Object.keys(r).forEach((e=>{i[o]=r[e],a[o]=t.startingEventPositions[e],o++}));const s=Math.sqrt((a[0].x-a[1].x)*(a[0].x-a[1].x)+(a[0].y-a[1].y)*(a[0].y-a[1].y)),l=Math.sqrt((i[0].x-i[1].x)*(i[0].x-i[1].x)+(i[0].y-i[1].y)*(i[0].y-i[1].y));let u=_n(Math.atan2(a[1].y-a[0].y,a[1].x-a[0].x)),c=_n(Math.atan2(i[1].y-i[0].y,i[1].x-i[0].x)),d=c-u;c=c+180>=360?c-180:c+180,u=u+180>=360?u-180:u+180,Math.abs(c-u)n&&o>i&&o>a){t.currentGesture="Pinch";const n={scale:1,touches:r};e.startPinchEvent(n)}else if(i>n&&i>a){t.currentGesture="Rotate";const n={rotation:0,touches:r};e.startRotateEvent(n)}else if(a>n){t.currentGesture="Pan";const n={translation:[0,0],touches:r};e.startPanEvent(n)}}else{if("Rotate"===t.currentGesture){const t={rotation:d,touches:r};e.rotateEvent(t)}if("Pinch"===t.currentGesture){const t={scale:l/s,touches:r};e.pinchEvent(t)}if("Pan"===t.currentGesture){const t={translation:p,touches:r};e.panEvent(t)}}},e.handleVisibilityChange=()=>{t._animationStartTime=Date.now(),t._animationFrameCount=0},e.setCurrentRenderer=e=>{t._forcedRenderer=!!e,t.currentRenderer=e};const d=e.delete;e.delete=()=>{for(;n.size;)e.cancelAnimation(n.values().next().value);void 0!==document.hidden&&document.removeEventListener("visibilitychange",e.handleVisibilityChange),t.container&&e.unbindEvents(),d()},void 0!==document.hidden&&document.addEventListener("visibilitychange",e.handleVisibilityChange,!1)}const Yf={renderWindow:null,interactorStyle:null,picker:null,pickingManager:null,initialized:!1,enabled:!1,enableRender:!0,currentRenderer:null,lightFollowCamera:!0,desiredUpdateRate:30,stillUpdateRate:2,container:null,recognizeGestures:!0,currentGesture:"Start",animationRequest:null,lastFrameTime:.1,recentAnimationFrameRate:10,wheelTimeoutID:0,moveTimeoutID:0,lastGamepadValues:{},preventDefaultOnPointerDown:!1,preventDefaultOnPointerUp:!1,mouseScrollDebounceByPass:!1};function Jf(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Yf,n),gt.obj(e,t),t._animationExtendedEnd=0,gt.event(e,t,"RenderEvent"),Xf.forEach((n=>gt.event(e,t,n))),gt.get(e,t,["initialized","container","interactorStyle","lastFrameTime","recentAnimationFrameRate","_view"]),gt.setGet(e,t,["lightFollowCamera","enabled","enableRender","recognizeGestures","desiredUpdateRate","stillUpdateRate","picker","preventDefaultOnPointerDown","preventDefaultOnPointerUp","mouseScrollDebounceByPass"]),gt.moveToProtected(e,t,["view"]),$f(e,t)}var Qf={newInstance:gt.newInstance(Jf,"vtkRenderWindowInteractor"),extend:Jf,handledEvents:Xf,...Lf};const{vtkErrorMacro:Zf,VOID:eh}=gt;function th(e,t){t.classHierarchy.push("vtkInteractorObserver");const n={...e};function r(){for(;t.subscribedEvents.length;)t.subscribedEvents.pop().unsubscribe()}function o(){Qf.handledEvents.forEach((n=>{e[`handle${n}`]&&t.subscribedEvents.push(t._interactor[`on${n}`]((r=>t.processEvents?e[`handle${n}`](r):eh),t.priority))}))}e.setInteractor=n=>{n!==t._interactor&&(r(),t._interactor=n,n&&t.enabled&&o(),e.modified())},e.setEnabled=n=>{n!==t.enabled&&(r(),n&&(t._interactor?o():Zf("\n The interactor must be set before subscribing to events\n ")),t.enabled=n,e.modified())},e.computeDisplayToWorld=(e,n,r,o)=>e?t._interactor.getView().displayToWorld(n,r,o,e):null,e.computeWorldToDisplay=(e,n,r,o)=>e?t._interactor.getView().worldToDisplay(n,r,o,e):null,e.setPriority=e=>{n.setPriority(e)&&t._interactor&&(r(),o())}}const nh={enabled:!0,priority:0,processEvents:!0,subscribedEvents:[]};function rh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,nh,n),gt.obj(e,t),gt.event(e,t,"InteractionEvent"),gt.event(e,t,"StartInteractionEvent"),gt.event(e,t,"EndInteractionEvent"),gt.get(e,t,["_interactor","enabled"]),gt.setGet(e,t,["priority","processEvents"]),gt.moveToProtected(e,t,["interactor"]),th(e,t)}var oh={newInstance:gt.newInstance(rh,"vtkInteractorObserver"),extend:rh,computeWorldToDisplay:function(e,t,n,r){return e.getRenderWindow().getViews()[0].worldToDisplay(t,n,r,e)},computeDisplayToWorld:function(e,t,n,r){return e.getRenderWindow().getViews()[0].displayToWorld(t,n,r,e)}},ih={States:{IS_START:0,IS_NONE:0,IS_ROTATE:1,IS_PAN:2,IS_SPIN:3,IS_DOLLY:4,IS_CAMERA_POSE:11,IS_WINDOW_LEVEL:1024,IS_SLICE:1025}};const{States:ah}=ih,sh={Rotate:ah.IS_ROTATE,Pan:ah.IS_PAN,Spin:ah.IS_SPIN,Dolly:ah.IS_DOLLY,CameraPose:ah.IS_CAMERA_POSE,WindowLevel:ah.IS_WINDOW_LEVEL,Slice:ah.IS_SLICE};function lh(e,t){t.classHierarchy.push("vtkInteractorStyle"),Object.keys(sh).forEach((n=>{gt.event(e,t,`Start${n}Event`),e[`start${n}`]=()=>{t.state===ah.IS_NONE&&(t.state=sh[n],t._interactor.requestAnimation(e),e.invokeStartInteractionEvent({type:"StartInteractionEvent"}),e[`invokeStart${n}Event`]({type:`Start${n}Event`}))},gt.event(e,t,`End${n}Event`),e[`end${n}`]=()=>{t.state===sh[n]&&(t.state=ah.IS_NONE,t._interactor.cancelAnimation(e),e.invokeEndInteractionEvent({type:"EndInteractionEvent"}),e[`invokeEnd${n}Event`]({type:`End${n}Event`}),t._interactor.render())}})),e.handleKeyPress=e=>{const n=t._interactor;let r=null;switch(e.key){case"r":case"R":e.pokedRenderer.resetCamera(),n.render();break;case"w":case"W":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToWireframe&&t.setRepresentationToWireframe()})),n.render();break;case"s":case"S":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToSurface&&t.setRepresentationToSurface()})),n.render();break;case"v":case"V":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToPoints&&t.setRepresentationToPoints()})),n.render()}}}const uh={state:ah.IS_NONE,handleObservers:1,autoAdjustCameraClippingRange:1};function ch(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uh,n),oh.extend(e,t,n),lh(e,t)}var dh={newInstance:gt.newInstance(ch,"vtkInteractorStyle"),extend:ch,...ih};const{States:ph}=ih;function fh(e,t){t.classHierarchy.push("vtkInteractorStyleTrackballCamera"),e.handleMouseMove=n=>{const r=n.position,o=n.pokedRenderer;switch(t.state){case ph.IS_ROTATE:e.handleMouseRotate(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case ph.IS_PAN:e.handleMousePan(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case ph.IS_DOLLY:e.handleMouseDolly(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case ph.IS_SPIN:e.handleMouseSpin(o,r),e.invokeInteractionEvent({type:"InteractionEvent"})}t.previousPosition=r},e.handleButton3D=n=>{!n||!n.pressed||n.device!==Ff.RightController||n.input!==kf.Trigger&&n.input!==kf.TrackPad?!n||n.pressed||n.device!==Ff.RightController||n.input!==kf.Trigger&&n.input!==kf.TrackPad||t.state!==ph.IS_CAMERA_POSE||e.endCameraPose():e.startCameraPose()},e.handleMove3D=n=>{t.state===ph.IS_CAMERA_POSE&&e.updateCameraPose(n)},e.updateCameraPose=e=>{const t=e.pokedRenderer.getActiveCamera(),n=t.getPhysicalTranslation(),r=.025*t.getPhysicalScale(),o=t.physicalOrientationToWorldDirection([e.orientation.x,e.orientation.y,e.orientation.z,e.orientation.w]);t.setPhysicalTranslation(n[0]+o[0]*r,n[1]+o[1]*r,n[2]+o[2]*r)},e.handleLeftButtonPress=n=>{const r=n.position;t.previousPosition=r,n.shiftKey?n.controlKey||n.altKey?e.startDolly():e.startPan():n.controlKey||n.altKey?e.startSpin():e.startRotate()},e.handleLeftButtonRelease=()=>{switch(t.state){case ph.IS_DOLLY:e.endDolly();break;case ph.IS_PAN:e.endPan();break;case ph.IS_SPIN:e.endSpin();break;case ph.IS_ROTATE:e.endRotate()}},e.handleStartMouseWheel=()=>{e.startDolly()},e.handleEndMouseWheel=()=>{e.endDolly()},e.handleStartPinch=n=>{t.previousScale=n.scale,e.startDolly()},e.handleEndPinch=()=>{e.endDolly()},e.handleStartRotate=n=>{t.previousRotation=n.rotation,e.startRotate()},e.handleEndRotate=()=>{e.endRotate()},e.handleStartPan=n=>{t.previousTranslation=n.translation,e.startPan()},e.handleEndPan=()=>{e.endPan()},e.handlePinch=n=>{e.dollyByFactor(n.pokedRenderer,n.scale/t.previousScale),t.previousScale=n.scale},e.handlePan=n=>{const r=n.pokedRenderer.getActiveCamera();let o=r.getFocalPoint();o=e.computeWorldToDisplay(n.pokedRenderer,o[0],o[1],o[2]);const i=o[2],a=n.translation,s=t.previousTranslation,l=e.computeDisplayToWorld(n.pokedRenderer,o[0]+a[0]-s[0],o[1]+a[1]-s[1],i),u=e.computeDisplayToWorld(n.pokedRenderer,o[0],o[1],i),c=[];c[0]=u[0]-l[0],c[1]=u[1]-l[1],c[2]=u[2]-l[2],o=r.getFocalPoint();const d=r.getPosition();r.setFocalPoint(c[0]+o[0],c[1]+o[1],c[2]+o[2]),r.setPosition(c[0]+d[0],c[1]+d[1],c[2]+d[2]),t._interactor.getLightFollowCamera()&&n.pokedRenderer.updateLightsGeometryToFollowCamera(),r.orthogonalizeViewUp(),t.previousTranslation=n.translation},e.handleRotate=e=>{const n=e.pokedRenderer.getActiveCamera();n.roll(e.rotation-t.previousRotation),n.orthogonalizeViewUp(),t.previousRotation=e.rotation},e.handleMouseRotate=(e,n)=>{if(!t.previousPosition)return;const r=t._interactor,o=n.x-t.previousPosition.x,i=n.y-t.previousPosition.y,a=r.getView().getViewportSize(e);let s=-.1,l=-.1;a[0]&&a[1]&&(s=-20/a[1],l=-20/a[0]);const u=o*l*t.motionFactor,c=i*s*t.motionFactor,d=e.getActiveCamera();Number.isNaN(u)||Number.isNaN(c)||(d.azimuth(u),d.elevation(c),d.orthogonalizeViewUp()),t.autoAdjustCameraClippingRange&&e.resetCameraClippingRange(),r.getLightFollowCamera()&&e.updateLightsGeometryToFollowCamera()},e.handleMouseSpin=(e,n)=>{if(!t.previousPosition)return;const r=t._interactor,o=e.getActiveCamera(),i=r.getView().getViewportCenter(e),a=_n(Math.atan2(t.previousPosition.y-i[1],t.previousPosition.x-i[0])),s=_n(Math.atan2(n.y-i[1],n.x-i[0]))-a;Number.isNaN(s)||(o.roll(s),o.orthogonalizeViewUp())},e.handleMousePan=(n,r)=>{if(!t.previousPosition)return;const o=n.getActiveCamera();let i=o.getFocalPoint();i=e.computeWorldToDisplay(n,i[0],i[1],i[2]);const a=i[2],s=e.computeDisplayToWorld(n,r.x,r.y,a),l=e.computeDisplayToWorld(n,t.previousPosition.x,t.previousPosition.y,a),u=[];u[0]=l[0]-s[0],u[1]=l[1]-s[1],u[2]=l[2]-s[2],i=o.getFocalPoint();const c=o.getPosition();o.setFocalPoint(u[0]+i[0],u[1]+i[1],u[2]+i[2]),o.setPosition(u[0]+c[0],u[1]+c[1],u[2]+c[2]),t._interactor.getLightFollowCamera()&&n.updateLightsGeometryToFollowCamera()},e.handleMouseDolly=(n,r)=>{if(!t.previousPosition)return;const o=r.y-t.previousPosition.y,i=t._interactor.getView().getViewportCenter(n),a=t.motionFactor*o/i[1];e.dollyByFactor(n,1.1**a)},e.handleMouseWheel=n=>{const r=1-n.spinY/t.zoomFactor;e.dollyByFactor(n.pokedRenderer,r)},e.dollyByFactor=(e,n)=>{if(Number.isNaN(n))return;const r=e.getActiveCamera();r.getParallelProjection()?r.setParallelScale(r.getParallelScale()/n):(r.dolly(n),t.autoAdjustCameraClippingRange&&e.resetCameraClippingRange()),t._interactor.getLightFollowCamera()&&e.updateLightsGeometryToFollowCamera()}}const hh={motionFactor:10,zoomFactor:10};function mh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,hh,n),dh.extend(e,t,n),gt.setGet(e,t,["motionFactor","zoomFactor"]),fh(e,t)}var gh={newInstance:gt.newInstance(mh,"vtkInteractorStyleTrackballCamera"),extend:mh};function vh(e){return e}function yh(e){return null===e||"null"===e?null:"true"===e||"false"!==e&&(void 0!==e&&"undefined"!==e?"["===e[0]&&"]"===e[e.length-1]?e.substring(1,e.length-1).split(",").map((e=>yh(e.trim()))):""===e||Number.isNaN(Number(e))?e:Number(e):void 0)}var bh=function(){let e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0],t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:window.location.search;const n={},r=e?yh:vh,o=(t||"").replace(/#.*/,"").replace("?","").split("&");return o.forEach((e=>{const[t,o]=e.split("=").map((e=>decodeURIComponent(e)));t&&(n[t]=!o||r(o))})),n},xh={CoordinateSystem:{DISPLAY:0,WORLD:1}};const{CoordinateSystem:_h}=xh;function Th(e){return()=>gt.vtkErrorMacro(`vtkProp::${e} - NOT IMPLEMENTED`)}function Sh(e,t){t.classHierarchy.push("vtkProp"),e.getMTime=()=>{let e=t.mtime;for(let n=0;ne&&(e=r)}return e},e.processSelectorPixelBuffers=(e,t)=>{},e.getNestedProps=()=>null,e.getActors=()=>[],e.getActors2D=()=>[],e.getVolumes=()=>[],e.pick=Th("pick"),e.hasKey=Th("hasKey"),e.getNestedVisibility=()=>t.visibility&&(!t._parentProp||t._parentProp.getNestedVisibility()),e.getNestedPickable=()=>t.pickable&&(!t._parentProp||t._parentProp.getNestedPickable()),e.getNestedDragable=()=>t.dragable&&(!t._parentProp||t._parentProp.getNestedDragable()),e.getRedrawMTime=()=>t.mtime,e.setEstimatedRenderTime=e=>{t.estimatedRenderTime=e,t.savedEstimatedRenderTime=e},e.restoreEstimatedRenderTime=()=>{t.estimatedRenderTime=t.savedEstimatedRenderTime},e.addEstimatedRenderTime=e=>{t.estimatedRenderTime+=e},e.setAllocatedRenderTime=e=>{t.allocatedRenderTime=e,t.savedEstimatedRenderTime=t.estimatedRenderTime,t.estimatedRenderTime=0},e.getSupportsSelection=()=>!1,e.getTextures=()=>t.textures,e.hasTexture=e=>-1!==t.textures.indexOf(e),e.addTexture=n=>{n&&!e.hasTexture(n)&&(t.textures=t.textures.concat(n),e.modified())},e.removeTexture=n=>{const r=t.textures.filter((e=>e!==n));t.textures.length!==r.length&&(t.textures=r,e.modified())},e.removeAllTextures=()=>{t.textures=[],e.modified()},e.setCoordinateSystemToWorld=()=>e.setCoordinateSystem(_h.WORLD),e.setCoordinateSystemToDisplay=()=>e.setCoordinateSystem(_h.DISPLAY)}const wh={allocatedRenderTime:10,coordinateSystem:_h.WORLD,dragable:!0,estimatedRenderTime:0,paths:null,pickable:!0,renderTimeMultiplier:1,savedEstimatedRenderTime:0,textures:[],useBounds:!0,visibility:!0};function Ch(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,wh,n),gt.obj(e,t),gt.get(e,t,["estimatedRenderTime","allocatedRenderTime"]),gt.setGet(e,t,["_parentProp","coordinateSystem","dragable","pickable","renderTimeMultiplier","useBounds","visibility"]),gt.moveToProtected(e,t,["parentProp"]),Sh(e,t)}var Ah={newInstance:gt.newInstance(Ch,"vtkProp"),extend:Ch,...xh};function Eh(e,t){t.classHierarchy.push("vtkProp3D"),e.addPosition=n=>{t.position=t.position.map(((e,t)=>e+n[t])),e.modified()},e.getOrientationWXYZ=()=>{const e=Ro();F(e,t.rotation);const n=new Float64Array(3),r=function(e,t){var n=2*Math.acos(t[3]),r=Math.sin(n/2);return r>o?(e[0]=t[0]/r,e[1]=t[1]/r,e[2]=t[2]/r):(e[0]=1,e[1]=0,e[2]=0),n}(n,e);return[_n(r),n[0],n[1],n[2]]},e.rotateX=n=>{0!==n&&(T(t.rotation,t.rotation,xn(n)),e.modified())},e.rotateY=n=>{0!==n&&(S(t.rotation,t.rotation,xn(n)),e.modified())},e.rotateZ=n=>{0!==n&&(w(t.rotation,t.rotation,xn(n)),e.modified())},e.rotateWXYZ=(n,r,o,i)=>{if(0===n||0===r&&0===o&&0===i)return;const a=xn(n),s=Ro();Fo(s,[r,o,i],a);const l=new Float64Array(16);B(l,s),y(t.rotation,t.rotation,l),e.modified()},e.setOrientation=(n,r,o)=>(n!==t.orientation[0]||r!==t.orientation[1]||o!==t.orientation[2])&&(t.orientation=[n,r,o],f(t.rotation),e.rotateZ(o),e.rotateX(n),e.rotateY(r),e.modified(),!0),e.setUserMatrix=n=>!$n(t.userMatrix,n)&&(c(t.userMatrix,n),e.modified(),!0),e.getMatrix=()=>(e.computeMatrix(),t.matrix),e.computeMatrix=()=>{if(e.getMTime()>t.matrixMTime.getMTime()){f(t.matrix),t.userMatrix&&y(t.matrix,t.matrix,t.userMatrix),b(t.matrix,t.matrix,t.origin),b(t.matrix,t.matrix,t.position),y(t.matrix,t.matrix,t.rotation),x(t.matrix,t.matrix,t.scale),b(t.matrix,t.matrix,[-t.origin[0],-t.origin[1],-t.origin[2]]),h(t.matrix,t.matrix),t.isIdentity=!0;for(let e=0;e<4;++e)for(let n=0;n<4;++n)(e===n?1:0)!==t.matrix[e+4*n]&&(t.isIdentity=!1);t.matrixMTime.modified()}},e.getCenter=()=>bf.getCenter(t.bounds),e.getLength=()=>bf.getLength(t.bounds),e.getXRange=()=>bf.getXRange(t.bounds),e.getYRange=()=>bf.getYRange(t.bounds),e.getZRange=()=>bf.getZRange(t.bounds),e.getUserMatrix=()=>t.userMatrix,e.onModified((function(){e.computeMatrix()}))}const Dh={origin:[0,0,0],position:[0,0,0],orientation:[0,0,0],rotation:null,scale:[1,1,1],bounds:[1,-1,1,-1,1,-1],userMatrix:null,userMatrixMTime:null,cachedProp3D:null,isIdentity:!0,matrixMTime:null};function Ih(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Dh,n),Ah.extend(e,t,n),t.matrixMTime={},gt.obj(t.matrixMTime),gt.get(e,t,["bounds","isIdentity"]),gt.getArray(e,t,["orientation"]),gt.setGetArray(e,t,["origin","position","scale"],3),t.matrix=f(new Float64Array(16)),t.rotation=f(new Float64Array(16)),t.userMatrix=f(new Float64Array(16)),t.transform=null,Eh(e,t)}var Oh={newInstance:gt.newInstance(Ih,"vtkProp3D"),extend:Ih};const{vtkDebugMacro:Ph}=gt;function Nh(e,t){t.classHierarchy.push("vtkActor");const n={...e};e.getActors=()=>[e],e.getIsOpaque=()=>{if(t.forceOpaque)return!0;if(t.forceTranslucent)return!1;t.property||e.getProperty();let n=t.property.getOpacity()>=1;return n=n&&(!t.texture||!t.texture.isTranslucent()),n=n&&(!t.mapper||t.mapper.getIsOpaque()),n},e.hasTranslucentPolygonalGeometry=()=>null!==t.mapper&&(null===t.property&&e.setProperty(e.makeProperty()),!e.getIsOpaque()),e.makeProperty=wu.newInstance,e.getProperty=()=>(null===t.property&&(t.property=e.makeProperty()),t.property),e.getBounds=()=>{if(null===t.mapper)return t.bounds;const n=t.mapper.getBounds();if(!n||6!==n.length)return n;if(n[0]>n[1])return t.mapperBounds=n.concat(),t.bounds=[1,-1,1,-1,1,-1],t.boundsMTime.modified(),n;if(!t.mapperBounds||n[0]!==t.mapperBounds[0]||n[1]!==t.mapperBounds[1]||n[2]!==t.mapperBounds[2]||n[3]!==t.mapperBounds[3]||n[4]!==t.mapperBounds[4]||n[5]!==t.mapperBounds[5]||e.getMTime()>t.boundsMTime.getMTime()){Ph("Recomputing bounds..."),t.mapperBounds=n.concat();const r=[];bf.getCorners(n,r),e.computeMatrix();const o=new Float64Array(16);h(o,t.matrix),r.forEach((e=>Yt(e,e,o))),t.bounds[0]=t.bounds[2]=t.bounds[4]=Number.MAX_VALUE,t.bounds[1]=t.bounds[3]=t.bounds[5]=-Number.MAX_VALUE,t.bounds=t.bounds.map(((e,t)=>t%2==0?r.reduce(((e,n)=>e>n[t/2]?n[t/2]:e),e):r.reduce(((e,n)=>e{let e=n.getMTime();if(null!==t.property){const n=t.property.getMTime();e=n>e?n:e}if(null!==t.backfaceProperty){const n=t.backfaceProperty.getMTime();e=n>e?n:e}return e},e.getRedrawMTime=()=>{let e=t.mtime;if(null!==t.mapper){let n=t.mapper.getMTime();e=n>e?n:e,null!==t.mapper.getInput()&&(t.mapper.getInputAlgorithm().update(),n=t.mapper.getInput().getMTime(),e=n>e?n:e)}return e},e.getSupportsSelection=()=>!!t.mapper&&t.mapper.getSupportsSelection(),e.processSelectorPixelBuffers=(e,n)=>{t.mapper&&t.mapper.processSelectorPixelBuffers&&t.mapper.processSelectorPixelBuffers(e,n)}}const Mh={mapper:null,property:null,backfaceProperty:null,forceOpaque:!1,forceTranslucent:!1,bounds:[1,-1,1,-1,1,-1]};function Rh(e,t){t.classHierarchy.push("vtkAbstractMapper"),e.update=()=>{e.getInputData()},e.addClippingPlane=n=>!!n.isA("vtkPlane")&&!t.clippingPlanes.includes(n)&&(t.clippingPlanes.push(n),e.modified(),!0),e.getNumberOfClippingPlanes=()=>t.clippingPlanes.length,e.removeAllClippingPlanes=()=>0!==t.clippingPlanes.length&&(t.clippingPlanes.length=0,e.modified(),!0),e.removeClippingPlane=n=>{const r=t.clippingPlanes.indexOf(n);return-1!==r&&(t.clippingPlanes.splice(r,1),e.modified(),!0)},e.getClippingPlanes=()=>t.clippingPlanes,e.setClippingPlanes=t=>{if(t)if(Array.isArray(t)){const n=t.length;for(let r=0;r{const o=t.clippingPlanes,i=e;if(o){const e=o.length;if(n>=0&&n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Mh,n),Oh.extend(e,t,n),t.boundsMTime={},gt.obj(t.boundsMTime),gt.set(e,t,["property"]),gt.setGet(e,t,["backfaceProperty","forceOpaque","forceTranslucent","mapper"]),Nh(e,t)}),"vtkActor");const Fh={clippingPlanes:[]};var kh=function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fh,n),gt.obj(e,t),gt.algo(e,t,1,0),t.clippingPlanes||(t.clippingPlanes=[]),Rh(e,t)};function Lh(e,t){e.getBounds=()=>(gt.vtkErrorMacro("vtkAbstractMapper3D.getBounds - NOT IMPLEMENTED"),Dr()),e.getCenter=()=>{const n=e.getBounds();return t.center=bf.isValid(n)?bf.getCenter(n):null,t.center?.slice()},e.getLength=()=>{const t=e.getBounds();return bf.getDiagonalLength(t)}}const Bh=e=>({bounds:[...bf.INIT_BOUNDS],center:[0,0,0],viewSpecificProperties:{},...e});var Vh=function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Bh(n)),kh(e,t,n),gt.setGet(e,t,["viewSpecificProperties"]),Lh(e,t)};const Uh={UNCHANGED:0,SINGLE_POINT:1,X_LINE:2,Y_LINE:3,Z_LINE:4,XY_PLANE:5,YZ_PLANE:6,XZ_PLANE:7,XYZ_GRID:8,EMPTY:9};var Gh={StructuredType:Uh};const{StructuredType:zh}=Gh;var jh={getDataDescriptionFromExtent:function(e){let t=0;for(let n=0;n<3;++n)e[2*n]e[1]||e[2]>e[3]||e[4]>e[5]?zh.EMPTY:3===t?zh.XYZ_GRID:2===t?e[0]===e[1]?zh.YZ_PLANE:e[2]===e[3]?zh.XZ_PLANE:zh.XY_PLANE:1===t?e[0]e!==i[t]));return a&&(t.extent=i.slice(),t.dataDescription=jh.getDataDescriptionFromExtent(t.extent),e.modified()),a},e.setDimensions=function(){let n,r,o;if(t.deleted)Wh("instance deleted - cannot call any method");else{if(1===arguments.length){const e=arguments.length<=0?void 0:arguments[0];n=e[0],r=e[1],o=e[2]}else{if(3!==arguments.length)return void Wh("Bad dimension specification");n=arguments.length<=0?void 0:arguments[0],r=arguments.length<=1?void 0:arguments[1],o=arguments.length<=2?void 0:arguments[2]}e.setExtent(0,n-1,0,r-1,0,o-1)}},e.getDimensions=()=>[t.extent[1]-t.extent[0]+1,t.extent[3]-t.extent[2]+1,t.extent[5]-t.extent[4]+1],e.getNumberOfCells=()=>{const t=e.getDimensions();let n=1;for(let e=0;e<3;e++){if(0===t[e])return 0;t[e]>1&&(n*=t[e]-1)}return n},e.getNumberOfPoints=()=>{const t=e.getDimensions();return t[0]*t[1]*t[2]},e.getPoint=n=>{const r=e.getDimensions();if(0===r[0]||0===r[1]||0===r[2])return Wh("Requesting a point from an empty image."),null;const o=new Float64Array(3);switch(t.dataDescription){case Uh.EMPTY:return null;case Uh.SINGLE_POINT:break;case Uh.X_LINE:o[0]=n;break;case Uh.Y_LINE:o[1]=n;break;case Uh.Z_LINE:o[2]=n;break;case Uh.XY_PLANE:o[0]=n%r[0],o[1]=n/r[0];break;case Uh.YZ_PLANE:o[1]=n%r[1],o[2]=n/r[1];break;case Uh.XZ_PLANE:o[0]=n%r[0],o[2]=n/r[0];break;case Uh.XYZ_GRID:o[0]=n%r[0],o[1]=n/r[0]%r[1],o[2]=n/(r[0]*r[1]);break;default:Wh("Invalid dataDescription")}const i=[0,0,0];return e.indexToWorld(o,i),i},e.getBounds=()=>e.extentToBounds(e.getSpatialExtent()),e.extentToBounds=e=>bf.transformBounds(e,t.indexToWorld),e.getSpatialExtent=()=>bf.inflate([...t.extent],.5),e.computeTransforms=()=>{C(t.indexToWorld,t.origin),t.indexToWorld[0]=t.direction[0],t.indexToWorld[1]=t.direction[1],t.indexToWorld[2]=t.direction[2],t.indexToWorld[4]=t.direction[3],t.indexToWorld[5]=t.direction[4],t.indexToWorld[6]=t.direction[5],t.indexToWorld[8]=t.direction[6],t.indexToWorld[9]=t.direction[7],t.indexToWorld[10]=t.direction[8],x(t.indexToWorld,t.indexToWorld,t.spacing),m(t.worldToIndex,t.indexToWorld)},e.indexToWorld=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return Yt(n,e,t.indexToWorld),n},e.indexToWorldVec3=e.indexToWorld,e.worldToIndex=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return Yt(n,e,t.worldToIndex),n},e.worldToIndexVec3=e.worldToIndex,e.indexToWorldBounds=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return bf.transformBounds(e,t.indexToWorld,n)},e.worldToIndexBounds=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return bf.transformBounds(e,t.worldToIndex,n)},e.onModified(e.computeTransforms),e.computeTransforms(),e.getCenter=()=>bf.getCenter(e.getBounds()),e.computeHistogram=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;const r=[0,0,0,0,0,0];e.worldToIndexBounds(t,r);const o=[0,0,0],i=[0,0,0];bf.computeCornerPoints(r,o,i),er(o,o),er(i,i);const a=e.getDimensions();_r(o,[0,0,0],[a[0]-1,a[1]-1,a[2]-1],o),_r(i,[0,0,0],[a[0]-1,a[1]-1,a[2]-1],i);const s=a[0],l=a[0]*a[1],u=e.getPointData().getScalars().getData();let c=-1/0,d=1/0,p=0,f=0,h=0;for(let e=o[2];e<=i[2];e++)for(let t=o[1];t<=i[1];t++){let a=o[0]+t*s+e*l;for(let s=o[0];s<=i[0];s++){if(!n||n([s,t,e],r)){const e=u[a];e>c&&(c=e),e0?f/h:0,g=h?Math.abs(p/h-m*m):0,v=Math.sqrt(g);return{minimum:d,maximum:c,average:m,variance:g,sigma:v,count:h}},e.computeIncrements=function(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;const n=[];let r=t;for(let t=0;t<3;++t)n[t]=r,r*=e[2*t+1]-e[2*t]+1;return n},e.computeOffsetIndex=t=>{let[n,r,o]=t;const i=e.getExtent(),a=e.getPointData().getScalars().getNumberOfComponents(),s=e.computeIncrements(i,a);return Math.floor((Math.round(n)-i[0])*s[0]+(Math.round(r)-i[2])*s[1]+(Math.round(o)-i[4])*s[2])},e.getOffsetIndexFromWorld=t=>{const n=e.getExtent(),r=e.worldToIndex(t);for(let e=0;e<3;++e)if(r[e]n[2*e+1])return Wh(`GetScalarPointer: Pixel ${r} is not in memory. Current extent = ${n}`),NaN;return e.computeOffsetIndex(r)},e.getScalarValueFromWorld=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const r=e.getPointData().getScalars().getNumberOfComponents();if(n<0||n>=r)return Wh(`GetScalarPointer: Scalar Component ${n} is not within bounds. 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Yh(e,t){t.classHierarchy.push("vtkLookupTable"),e.isOpaque=()=>{if(t.opaqueFlagBuildTime.getMTime()!1,e.getNumberOfAvailableColors=()=>t.table.length/4,e.linearIndexLookup=(e,t)=>{let n=0;const r=Number(e);return rt.range[1]?n=t.maxIndex+1+1.5:(n=(r+t.shift)*t.scale,n=n{let o=0;o=Er(t)?Math.floor(r.maxIndex+1.5+2):e.linearIndexLookup(t,r);const i=4*o;return n.slice(i,i+4)},e.indexedLookupFunction=(n,r,o)=>{let i=e.getAnnotatedValueIndexInternal(n);-1===i&&(i=t.numberOfColors+2);const a=4*i;return[r[a],r[a+1],r[a+2],r[a+3]]},e.lookupShiftAndScale=(e,t)=>{t.shift=-e[0],t.scale=Number.MAX_VALUE,e[1]>e[0]&&(t.scale=(t.maxIndex+1)/(e[1]-e[0]))},e.mapScalarsThroughTable=(n,r,o,i)=>{let a=e.linearLookup;t.indexedLookup&&(a=e.indexedLookupFunction);const s=e.getMappingRange(),l={maxIndex:e.getNumberOfColors()-1,range:s,shift:0,scale:0};e.lookupShiftAndScale(s,l);const u=e.getAlpha(),c=n.getNumberOfTuples(),d=n.getNumberOfComponents(),p=r.getData(),f=n.getData();if(u>=1){if(o===$d.RGBA)for(let e=0;e{let n=0,r=0,o=0,i=0;const a=t.numberOfColors-1;a&&(n=(t.hueRange[1]-t.hueRange[0])/a,r=(t.saturationRange[1]-t.saturationRange[0])/a,o=(t.valueRange[1]-t.valueRange[0])/a,i=(t.alphaRange[1]-t.alphaRange[0])/a),t.table.length=4*a+16;const s=[],l=[];for(let e=0;e<=a;e++)s[0]=t.hueRange[0]+e*n,s[1]=t.saturationRange[0]+e*r,s[2]=t.valueRange[0]+e*o,dr(s,l),l[3]=t.alphaRange[0]+e*i,t.table[4*e]=255*l[0]+.5,t.table[4*e+1]=255*l[1]+.5,t.table[4*e+2]=255*l[2]+.5,t.table[4*e+3]=255*l[3]+.5;e.buildSpecialColors(),t.buildTime.modified()},e.setTable=n=>{if(Array.isArray(n)){const r=n[0].length;t.numberOfColors=n.length;const o=4-r;let i=0;for(let e=0;e{const{numberOfColors:e}=t,n=t.table;let r=4*(e+0);t.useBelowRangeColor||0===e?(n[r]=255*t.belowRangeColor[0]+.5,n[r+1]=255*t.belowRangeColor[1]+.5,n[r+2]=255*t.belowRangeColor[2]+.5,n[r+3]=255*t.belowRangeColor[3]+.5):(n[r]=n[0],n[r+1]=n[1],n[r+2]=n[2],n[r+3]=n[3]),r=4*(e+1),t.useAboveRangeColor||0===e?(n[r]=255*t.aboveRangeColor[0]+.5,n[r+1]=255*t.aboveRangeColor[1]+.5,n[r+2]=255*t.aboveRangeColor[2]+.5,n[r+3]=255*t.aboveRangeColor[3]+.5):(n[r]=n[4*(e-1)+0],n[r+1]=n[4*(e-1)+1],n[r+2]=n[4*(e-1)+2],n[r+3]=n[4*(e-1)+3]),r=4*(e+2),n[r]=255*t.nanColor[0]+.5,n[r+1]=255*t.nanColor[1]+.5,n[r+2]=255*t.nanColor[2]+.5,n[r+3]=255*t.nanColor[3]+.5},e.build=()=>{(t.table.length<1||e.getMTime()>t.buildTime.getMTime()&&t.insertTime.getMTime()<=t.buildTime.getMTime())&&e.forceBuild()},t.table.length>0&&(e.buildSpecialColors(),t.insertTime.modified())}const Jh={numberOfColors:256,hueRange:[0,.66667],saturationRange:[1,1],valueRange:[1,1],alphaRange:[1,1],nanColor:[.5,0,0,1],belowRangeColor:[0,0,0,1],aboveRangeColor:[1,1,1,1],useAboveRangeColor:!1,useBelowRangeColor:!1,alpha:1};function Qh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Jh,n),lp.extend(e,t,n),t.table||(t.table=[]),t.buildTime={},gt.obj(t.buildTime),t.opaqueFlagBuildTime={},gt.obj(t.opaqueFlagBuildTime,{mtime:0}),t.insertTime={},gt.obj(t.insertTime,{mtime:0}),gt.get(e,t,["buildTime"]),gt.setGet(e,t,["numberOfColors","useAboveRangeColor","useBelowRangeColor"]),gt.setArray(e,t,["alphaRange","hueRange","saturationRange","valueRange"],2),gt.setArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"],4),gt.getArray(e,t,["hueRange","saturationRange","valueRange","alphaRange","nanColor","belowRangeColor","aboveRangeColor"]),Yh(e,t)}var Zh={newInstance:gt.newInstance(Qh,"vtkLookupTable"),extend:Qh};let em=1,tm=0;const nm=["VTK_RESOLVE_OFF","VTK_RESOLVE_POLYGON_OFFSET"];function rm(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;tm=e}var om={getResolveCoincidentTopologyAsString:function(){return nm[tm]},getResolveCoincidentTopologyPolygonOffsetFaces:function(){return em},getResolveCoincidentTopology:function(){return tm},setResolveCoincidentTopology:rm,setResolveCoincidentTopologyPolygonOffsetFaces:function(e){em=e},setResolveCoincidentTopologyToDefault:function(){rm(0)},setResolveCoincidentTopologyToOff:function(){rm(0)},setResolveCoincidentTopologyToPolygonOffset:function(){rm(1)}};function im(e,t,n){n.forEach((n=>{e[`get${n.method}`]=()=>t[n.key],e[`set${n.method}`]=(e,r)=>{t[n.key]={factor:e,offset:r}}}))}const am=["Polygon","Line","Point"],sm={};im(sm,{Polygon:{factor:2,offset:0},Line:{factor:1,offset:-1},Point:{factor:0,offset:-2}},am.map((e=>({key:e,method:`ResolveCoincidentTopology${e}OffsetParameters`}))));var lm={implementCoincidentTopologyMethods:function(e,t){void 0===t.resolveCoincidentTopology&&(t.resolveCoincidentTopology=!1),gt.setGet(e,t,["resolveCoincidentTopology"]),t.topologyOffset={Polygon:{factor:0,offset:0},Line:{factor:0,offset:0},Point:{factor:0,offset:0}},Object.keys(om).forEach((t=>{e[t]=om[t]})),Object.keys(sm).forEach((t=>{e[t]=sm[t]})),im(e,t.topologyOffset,am.map((e=>({key:e,method:`RelativeCoincidentTopology${e}OffsetParameters`})))),e.getCoincidentTopologyPolygonOffsetParameters=()=>{const t=sm.getResolveCoincidentTopologyPolygonOffsetParameters(),n=e.getRelativeCoincidentTopologyPolygonOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyLineOffsetParameters=()=>{const t=sm.getResolveCoincidentTopologyLineOffsetParameters(),n=e.getRelativeCoincidentTopologyLineOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyPointOffsetParameter=()=>{const t=sm.getResolveCoincidentTopologyPointOffsetParameters(),n=e.getRelativeCoincidentTopologyPointOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}}},staticOffsetAPI:sm,otherStaticMethods:om,CATEGORIES:am};const um={MIN_KNOWN_PASS:0,ACTOR_PASS:0,COMPOSITE_INDEX_PASS:1,ID_LOW24:2,ID_HIGH24:3,MAX_KNOWN_PASS:3};var cm={PassTypes:um};const{FieldAssociations:dm}=di,{staticOffsetAPI:pm,otherStaticMethods:fm}=lm,{ColorMode:hm,ScalarMode:mm,GetArray:gm}=Jd,{VectorMode:vm}=Yd,{VtkDataTypes:ym}=Wr;function bm(e){return()=>gt.vtkErrorMacro(`vtkMapper::${e} - NOT IMPLEMENTED`)}function xm(e,t){t.classHierarchy.push("vtkMapper"),e.getBounds=()=>{const n=e.getInputData();return n?(t.static||e.update(),t.bounds=n.getBounds()):t.bounds=Dr(),t.bounds},e.setForceCompileOnly=e=>{t.forceCompileOnly=e},e.setSelectionWebGLIdsToVTKIds=e=>{t.selectionWebGLIdsToVTKIds=e},e.createDefaultLookupTable=()=>{t.lookupTable=Zh.newInstance()},e.getColorModeAsString=()=>gt.enumToString(hm,t.colorMode),e.setColorModeToDefault=()=>e.setColorMode(0),e.setColorModeToMapScalars=()=>e.setColorMode(1),e.setColorModeToDirectScalars=()=>e.setColorMode(2),e.getScalarModeAsString=()=>gt.enumToString(mm,t.scalarMode),e.setScalarModeToDefault=()=>e.setScalarMode(0),e.setScalarModeToUsePointData=()=>e.setScalarMode(1),e.setScalarModeToUseCellData=()=>e.setScalarMode(2),e.setScalarModeToUsePointFieldData=()=>e.setScalarMode(3),e.setScalarModeToUseCellFieldData=()=>e.setScalarMode(4),e.setScalarModeToUseFieldData=()=>e.setScalarMode(5),e.getAbstractScalars=(e,n,r,o,i)=>{if(!e||!t.scalarVisibility)return{scalars:null,cellFLag:!1};let a=null,s=!1;if(n===mm.DEFAULT)a=e.getPointData().getScalars(),a||(a=e.getCellData().getScalars(),s=!0);else if(n===mm.USE_POINT_DATA)a=e.getPointData().getScalars();else if(n===mm.USE_CELL_DATA)a=e.getCellData().getScalars(),s=!0;else if(n===mm.USE_POINT_FIELD_DATA){const t=e.getPointData();a=r===gm.BY_ID?t.getArrayByIndex(o):t.getArrayByName(i)}else if(n===mm.USE_CELL_FIELD_DATA){const t=e.getCellData();s=!0,a=r===gm.BY_ID?t.getArrayByIndex(o):t.getArrayByName(i)}else if(n===mm.USE_FIELD_DATA){const t=e.getFieldData();a=r===gm.BY_ID?t.getArrayByIndex(o):t.getArrayByName(i)}return{scalars:a,cellFlag:s}},e.mapScalars=(n,r)=>{const o=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!o)return t.colorCoordinates=null,t.colorTextureMap=null,void(t.colorMapColors=null);const i=`${e.getMTime()}${o.getMTime()}${r}`;if(t.colorBuildString!==i){if(t.useLookupTableScalarRange||e.getLookupTable().setRange(t.scalarRange[0],t.scalarRange[1]),e.canUseTextureMapForColoring(n))e.mapScalarsToTexture(o,r);else{t.colorCoordinates=null,t.colorTextureMap=null;const n=e.getLookupTable();n&&(n.build(),t.colorMapColors=n.mapScalars(o,t.colorMode,t.fieldDataTupleId))}t.colorBuildString=`${e.getMTime()}${o.getMTime()}${r}`}},e.scalarToTextureCoordinate=(e,t,n)=>{let r=.5,o=1;return Er(e)||(o=.49,r=(e-t)*n,r>1e3?r=1e3:r<-1e3&&(r=-1e3)),{texCoordS:r,texCoordT:o}},e.createColorTextureCoordinates=(t,n,r,o,i,a,s,l,u)=>{const c=(a[1]-a[0])/l,d=[];d[0]=a[0]-c,d[1]=a[1]+c;const p=1/(d[1]-d[0]),f=n.getData(),h=t.getData();let m=0,g=0;if(i<0||i>=o)for(let t=0;t{const o=t.lookupTable.getRange(),i=t.lookupTable.usingLogScale();i&&Zh.getLogRange(o,o);const a=t.lookupTable.getAlpha();if(t.colorMapColors=null,null==t.colorTextureMap||e.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getAlpha()!==r){t.lookupTable.setAlpha(r),t.colorTextureMap=null,t.lookupTable.build();let e=t.lookupTable.getNumberOfAvailableColors();e>4094&&(e=4094),e<64&&(e=64),e+=2;const n=(o[1]-o[0])/(e-2),s=new Float64Array(2*e);for(let t=0;tt.colorCoordinates.getMTime()||e.getInputData(0).getMTime()>t.colorCoordinates.getMTime()||t.lookupTable.getMTime()>t.colorCoordinates.getMTime()){t.colorCoordinates=null;const r=n.getNumberOfComponents(),a=n.getNumberOfTuples();t.colorCoordinates=Wr.newInstance({numberOfComponents:2,values:new Float32Array(2*a)});let s=t.lookupTable.getVectorComponent();t.lookupTable.getVectorMode()===vm.MAGNITUDE&&n.getNumberOfComponents()>1&&(s=-1),e.createColorTextureCoordinates(n,t.colorCoordinates,a,r,s,o,t.lookupTable.getRange(),t.colorTextureMap.getPointData().getScalars().getNumberOfTuples()/2-2,i)}},e.getIsOpaque=()=>{const n=e.getInputData(),r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!t.scalarVisibility||null==r)return!0;const o=e.getLookupTable();return!o||(o.build(),o.areScalarsOpaque(r,t.colorMode,-1))},e.canUseTextureMapForColoring=n=>{if(!t.interpolateScalarsBeforeMapping)return!1;if(t.lookupTable&&t.lookupTable.getIndexedLookup())return!1;const r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName),o=r.scalars;return!(!o||r.cellFlag||t.colorMode===hm.DEFAULT&&o.getDataType()===ym.UNSIGNED_CHAR||t.colorMode===hm.DIRECT_SCALARS)},e.clearColorArrays=()=>{t.colorMapColors=null,t.colorCoordinates=null,t.colorTextureMap=null},e.getLookupTable=()=>(t.lookupTable||e.createDefaultLookupTable(),t.lookupTable),e.getMTime=()=>{let e=t.mtime;if(null!==t.lookupTable){const n=t.lookupTable.getMTime();e=n>e?n:e}return e},e.getPrimitiveCount=()=>{const t=e.getInputData();return{points:t.getPoints().getNumberOfValues()/3,verts:t.getVerts().getNumberOfValues()-t.getVerts().getNumberOfCells(),lines:t.getLines().getNumberOfValues()-2*t.getLines().getNumberOfCells(),triangles:t.getPolys().getNumberOfValues()-3*t.getPolys().getNumberOfCells()}},e.acquireInvertibleLookupTable=bm("AcquireInvertibleLookupTable"),e.valueToColor=bm("ValueToColor"),e.colorToValue=bm("ColorToValue"),e.useInvertibleColorFor=bm("UseInvertibleColorFor"),e.clearInvertibleColor=bm("ClearInvertibleColor"),e.processSelectorPixelBuffers=(e,n)=>{if(!e||!t.selectionWebGLIdsToVTKIds||!t.populateSelectionSettings)return;const r=e.getRawPixelBuffer(um.ID_LOW24),o=e.getRawPixelBuffer(um.ID_HIGH24),i=e.getCurrentPass(),a=e.getFieldAssociation();let s=null;a===dm.FIELD_ASSOCIATION_POINTS?s=t.selectionWebGLIdsToVTKIds.points:a===dm.FIELD_ASSOCIATION_CELLS&&(s=t.selectionWebGLIdsToVTKIds.cells),s&&n.forEach((t=>{if(i===um.ID_LOW24){let n=0;o&&(n+=o[t],n*=256),n+=r[t+2],n*=256,n+=r[t+1],n*=256,n+=r[t];const i=s[n],a=e.getPixelBuffer(um.ID_LOW24);a[t]=255&i,a[t+1]=(65280&i)>>8,a[t+2]=(16711680&i)>>16}else if(i===um.ID_HIGH24&&o){let n=0;n+=o[t],n*=256,n+=r[t],n*=256,n+=r[t+1],n*=256,n+=r[t+2];const i=s[n];e.getPixelBuffer(um.ID_HIGH24)[t]=(4278190080&i)>>24}}))}}const _m={colorMapColors:null,static:!1,lookupTable:null,scalarVisibility:!0,scalarRange:[0,1],useLookupTableScalarRange:!1,colorMode:0,scalarMode:0,arrayAccessMode:1,renderTime:0,colorByArrayName:null,fieldDataTupleId:-1,populateSelectionSettings:!0,selectionWebGLIdsToVTKIds:null,interpolateScalarsBeforeMapping:!1,colorCoordinates:null,colorTextureMap:null,forceCompileOnly:0,useInvertibleColors:!1,invertibleScalars:null,customShaderAttributes:[]};function Tm(e,t){t.classHierarchy.push("vtkRenderPass"),e.getOperation=()=>t.currentOperation,e.setCurrentOperation=e=>{t.currentOperation=e,t.currentTraverseOperation=`traverse${gt.capitalize(t.currentOperation)}`},e.getTraverseOperation=()=>t.currentTraverseOperation,e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;t.deleted||(t._currentParent=r,t.preDelegateOperations.forEach((t=>{e.setCurrentOperation(t),n.traverse(e)})),t.delegates.forEach((t=>{t.traverse(n,e)})),t.postDelegateOperations.forEach((t=>{e.setCurrentOperation(t),n.traverse(e)})))}}gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,_m,n),Vh(e,t,n),gt.get(e,t,["colorCoordinates","colorMapColors","colorTextureMap","selectionWebGLIdsToVTKIds"]),gt.setGet(e,t,["colorByArrayName","arrayAccessMode","colorMode","fieldDataTupleId","interpolateScalarsBeforeMapping","lookupTable","populateSelectionSettings","renderTime","scalarMode","scalarVisibility","static","useLookupTableScalarRange","customShaderAttributes"]),gt.setGetArray(e,t,["scalarRange"],2),lm.implementCoincidentTopologyMethods(e,t),xm(e,t)}),"vtkMapper");const Sm={delegates:[],currentOperation:null,preDelegateOperations:[],postDelegateOperations:[],currentParent:null};function wm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Sm,n),gt.obj(e,t),gt.get(e,t,["currentOperation"]),gt.setGet(e,t,["delegates","_currentParent","preDelegateOperations","postDelegateOperations"]),gt.moveToProtected(e,t,["currentParent"]),Tm(e,t)}var Cm={newInstance:gt.newInstance(wm,"vtkRenderPass"),extend:wm};const{Representation:Am}=wu,{vtkErrorMacro:Em}=gt;function Dm(e){const t=Ca.substitute(e.Fragment,"//VTK::RenderPassFragmentShader::Impl","\n float weight = gl_FragData[0].a * pow(max(1.1 - gl_FragCoord.z, 0.0), 2.0);\n gl_FragData[0] = vec4(gl_FragData[0].rgb*weight, gl_FragData[0].a);\n gl_FragData[1].r = weight;\n ",!1);e.Fragment=t.result}function Im(e,t){t.classHierarchy.push("vtkOpenGLOrderIndependentTranslucentPass"),e.createVertexBuffer=()=>{const e=new Float32Array([-1,-1,-1,1,-1,-1,-1,1,-1,1,1,-1]),n=new Float32Array([0,0,1,0,0,1,1,1]),r=new Uint16Array([4,0,1,3,2]),o=Wr.newInstance({numberOfComponents:3,values:e});o.setName("points");const i=Wr.newInstance({numberOfComponents:2,values:n});i.setName("tcoords");const a=Wr.newInstance({numberOfComponents:1,values:r});t.tris.getCABO().createVBO(a,"polys",Am.SURFACE,{points:o,tcoords:i,cellOffset:0}),t.VBOBuildTime.modified()},e.createFramebuffer=e=>{const n=e.getSize(),r=e.getContext();t.framebuffer=Zs.newInstance(),t.framebuffer.setOpenGLRenderWindow(e),t.framebuffer.create(...n),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind(),t.translucentRGBATexture=hs.newInstance(),t.translucentRGBATexture.setInternalFormat(r.RGBA16F),t.translucentRGBATexture.setFormat(r.RGBA),t.translucentRGBATexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRGBATexture.setOpenGLRenderWindow(e),t.translucentRGBATexture.create2DFromRaw(n[0],n[1],4,"Float32Array",null),t.translucentRTexture=hs.newInstance(),t.translucentRTexture.setInternalFormat(r.R16F),t.translucentRTexture.setFormat(r.RED),t.translucentRTexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRTexture.setOpenGLRenderWindow(e),t.translucentRTexture.create2DFromRaw(n[0],n[1],1,"Float32Array",null),t.translucentZTexture=hs.newInstance(),t.translucentZTexture.setOpenGLRenderWindow(e),t.translucentZTexture.createDepthFromRaw(n[0],n[1],"Float32Array",null),t.framebuffer.setColorBuffer(t.translucentRGBATexture,0),t.framebuffer.setColorBuffer(t.translucentRTexture,1),t.framebuffer.setDepthBuffer(t.translucentZTexture)},e.createCopyShader=e=>{t.copyShader=e.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","attribute vec2 tcoordTC;","varying vec2 tcoord;","void main() { tcoord = tcoordTC; gl_Position = vertexDC; }"].join("\n"),"//VTK::System::Dec\n\nin vec2 tcoord;\n\nuniform sampler2D translucentRTexture;\nuniform sampler2D translucentRGBATexture;\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n vec4 t1Color = texture(translucentRGBATexture, tcoord);\n float t2Color = texture(translucentRTexture, tcoord).r;\n gl_FragData[0] = vec4(t1Color.rgb/max(t2Color,0.01), 1.0 - t1Color.a);\n}\n","")},e.createVBO=n=>{const r=n.getContext();t.tris.setOpenGLRenderWindow(n),e.createVertexBuffer();const o=t.copyShader;t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(o,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),r.FLOAT,3,r.FALSE)||Em("Error setting vertexDC in copy shader VAO."),t.copyVAO.addAttributeArray(o,t.tris.getCABO(),"tcoordTC",t.tris.getCABO().getTCoordOffset(),t.tris.getCABO().getStride(),r.FLOAT,2,r.FALSE)||Em("Error setting vertexDC in copy shader VAO.")},e.traverse=(n,r,o)=>{if(t.deleted)return;const i=n.getSize(),a=n.getContext();if(t._supported=!1,r.getSelector()||!a||!n.getWebgl2()||!a.getExtension("EXT_color_buffer_half_float")&&!a.getExtension("EXT_color_buffer_float"))return e.setCurrentOperation("translucentPass"),void r.traverse(e);if(t._supported=!0,null===t.framebuffer)e.createFramebuffer(n);else{const r=t.framebuffer.getSize();null===r||r[0]!==i[0]||r[1]!==i[1]?(t.framebuffer.releaseGraphicsResources(),t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRTexture.releaseGraphicsResources(n),t.translucentZTexture.releaseGraphicsResources(n),e.createFramebuffer(n)):(t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind())}a.drawBuffers([a.COLOR_ATTACHMENT0]),a.clearBufferfv(a.COLOR,0,[0,0,0,0]),a.clearBufferfv(a.DEPTH,0,[1]),a.colorMask(!1,!1,!1,!1),o.getOpaqueActorCount()>0&&(o.setCurrentOperation("opaqueZBufferPass"),r.traverse(o)),a.colorMask(!0,!0,!0,!0),a.drawBuffers([a.COLOR_ATTACHMENT0,a.COLOR_ATTACHMENT1]),a.viewport(0,0,i[0],i[1]),a.scissor(0,0,i[0],i[1]),a.clearBufferfv(a.COLOR,0,[0,0,0,1]),a.clearBufferfv(a.COLOR,1,[0,0,0,0]),a.enable(a.DEPTH_TEST),a.enable(a.BLEND),a.blendFuncSeparate(a.ONE,a.ONE,a.ZERO,a.ONE_MINUS_SRC_ALPHA),e.setCurrentOperation("translucentPass"),r.traverse(e),a.drawBuffers([a.NONE]),t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader?e.createCopyShader(n):n.getShaderCache().readyShaderProgram(t.copyShader),t.copyVAO||(t.copyVAO=Ia.newInstance(),t.copyVAO.setOpenGLRenderWindow(n)),t.copyVAO.bind(),t.VBOBuildTime.getMTime()t._supported?Dm:null,e.releaseGraphicsResources=n=>{t.framebuffer&&(t.framebuffer.releaseGraphicsResources(n),t.framebuffer=null),t.translucentRGBATexture&&(t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRGBATexture=null),t.translucentRTexture&&(t.translucentRTexture.releaseGraphicsResources(n),t.translucentRTexture=null),t.translucentZTexture&&(t.translucentZTexture.releaseGraphicsResources(n),t.translucentZTexture=null),t.copyVAO&&(t.copyVAO.releaseGraphicsResources(n),t.copyVAO=null),t.copyShader&&(t.copyShader.releaseGraphicsResources(n),t.copyShader=null),t.tris&&(t.tris.releaseGraphicsResources(n),t.tris=null),e.modified()}}const Om={framebuffer:null,copyShader:null,tris:null};function Pm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Om,n),Cm.extend(e,t,n),t.VBOBuildTime={},gt.obj(t.VBOBuildTime,{mtime:0}),t.tris=Ra.newInstance(),gt.get(e,t,["framebuffer"]),Im(e,t)}var Nm={newInstance:gt.newInstance(Pm,"vtkOpenGLOrderIndependentTranslucentPass"),extend:Pm};function Mm(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getRenderable().getNumberOfLayers(),i=n.getChildren();for(let r=0;r0||t.translucentActorCount>0)&&t.volumeCount>0||t.depthRequested){const r=n.getFramebufferSize();null===t.framebuffer&&(t.framebuffer=Zs.newInstance()),t.framebuffer.setOpenGLRenderWindow(n),t.framebuffer.saveCurrentBindingsAndBuffers();const o=t.framebuffer.getSize();null!==o&&o[0]===r[0]&&o[1]===r[1]||(t.framebuffer.create(r[0],r[1]),t.framebuffer.populateFramebuffer()),t.framebuffer.bind(),e.setCurrentOperation("zBufferPass"),a.traverse(e),t.framebuffer.restorePreviousBindingsAndBuffers(),t.depthRequested=!1}e.setCurrentOperation("cameraPass"),a.traverse(e),t.opaqueActorCount>0&&(e.setCurrentOperation("opaquePass"),a.traverse(e)),t.translucentActorCount>0&&(t.translucentPass||(t.translucentPass=Nm.newInstance()),t.translucentPass.traverse(n,a,e)),t.volumeCount>0&&(e.setCurrentOperation("volumePass"),a.traverse(e)),t.overlayActorCount>0&&(e.setCurrentOperation("overlayPass"),a.traverse(e))}}},e.getZBufferTexture=()=>t.framebuffer?t.framebuffer.getColorTexture():null,e.requestDepth=()=>{t.depthRequested=!0},e.incrementOpaqueActorCount=()=>t.opaqueActorCount++,e.incrementTranslucentActorCount=()=>t.translucentActorCount++,e.incrementVolumeCount=()=>t.volumeCount++,e.incrementOverlayActorCount=()=>t.overlayActorCount++}const Rm={opaqueActorCount:0,translucentActorCount:0,volumeCount:0,overlayActorCount:0,framebuffer:null,depthRequested:!1};function Fm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Rm,n),Cm.extend(e,t,n),gt.get(e,t,["framebuffer","opaqueActorCount","translucentActorCount","volumeCount"]),Mm(e,t)}var km={newInstance:gt.newInstance(Fm,"vtkForwardPass"),extend:Fm};const{FieldAssociations:Lm}=di;function Bm(e,t){t.classHierarchy.push("vtkHardwareSelector"),e.getSourceDataAsync=async(e,t,n,r,o)=>{},e.selectAsync=async(t,n,r,o,i)=>{const a=await e.getSourceDataAsync(t,n,r,o,i);return a?a.generateSelection(n,r,o,i):[]}}const Vm={fieldAssociation:Lm.FIELD_ASSOCIATION_CELLS,captureZValues:!1};function Um(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Vm,n),gt.obj(e,t),gt.setGet(e,t,["fieldAssociation","captureZValues"]),Bm(e,t)}var Gm={newInstance:gt.newInstance(Um,"vtkHardwareSelector"),extend:Um};function zm(e,t){t.classHierarchy.push("vtkSelectionNode"),e.getBounds=()=>t.points.getBounds()}const jm={contentType:-1,fieldType:-1,properties:null,selectionList:[]};function Wm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,jm,n),gt.obj(e,t),t.properties={},gt.setGet(e,t,["contentType","fieldType","properties","selectionList"]),zm(e,t)}var Hm={newInstance:gt.newInstance(Wm,"vtkSelectionNode"),extend:Wm,SelectionContent:{GLOBALIDS:0,PEDIGREEIDS:1,VALUES:2,INDICES:3,FRUSTUM:4,LOCATIONS:5,THRESHOLDS:6,BLOCKS:7,QUERY:8},SelectionField:{CELL:0,POINT:1,FIELD:2,VERTEX:3,EDGE:4,ROW:5}};const{PassTypes:Xm}=cm,{SelectionContent:Km,SelectionField:qm}=Hm,{FieldAssociations:$m}=di,{vtkErrorMacro:Ym}=gt;function Jm(e){return`${e.propID} ${e.compositeID}`}function Qm(e,t,n,r){return n?n[4*(t*(r[2]-r[0]+1)+e)+3]:0}function Zm(e,t,n,r){if(!n)return 0;const o=4*(t*(r[2]-r[0]+1)+e),i=n[o],a=n[o+1];return 256*(256*n[o+2]+a)+i}function eg(e,t){let n=t;return n<<=24,n|=e,n}function tg(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]e.area[2]||t[1]e.area[3])return null;const n=[t[0]-e.area[0],t[1]-e.area[1]],o=Zm(n[0],n[1],e.pixBuffer[Xm.ACTOR_PASS],e.area);if(o<=0||o-1>=e.props.length)return null;const i={valid:!0};i.propID=o-1,i.prop=e.props[i.propID];let a=Zm(n[0],n[1],e.pixBuffer[Xm.COMPOSITE_INDEX_PASS],e.area);if((a<0||a>16777215)&&(a=0),i.compositeID=a-1,e.captureZValues){const r=4*(n[1]*(e.area[2]-e.area[0]+1)+n[0]);i.zValue=(256*e.zBuffer[r]+e.zBuffer[r+1])/65535,i.displayPosition=t}if(e.pixBuffer[Xm.ID_LOW24]&&0===Qm(n[0],n[1],e.pixBuffer[Xm.ID_LOW24],e.area))return i;const s=Zm(n[0],n[1],e.pixBuffer[Xm.ID_LOW24],e.area),l=Zm(n[0],n[1],e.pixBuffer[Xm.ID_HIGH24],e.area);return i.attributeID=eg(s,l),i}const i=[t[0],t[1]],a=[0,0];let s=tg(e,t,0,r);if(s&&s.valid)return s;for(let t=1;tt?i[1]-t:0;n<=i[1]+t;++n){if(a[1]=n,i[0]>=t&&(a[0]=i[0]-t,s=tg(e,a,0,r),s&&s.valid))return s;if(a[0]=i[0]+t,s=tg(e,a,0,r),s&&s.valid)return s}for(let n=i[0]>=t?i[0]-(t-1):0;n<=i[0]+(t-1);++n){if(a[0]=n,i[1]>=t&&(a[1]=i[1]-t,s=tg(e,a,0,r),s&&s.valid))return s;if(a[1]=i[1]+t,s=tg(e,a,0,r),s&&s.valid)return s}}return r[0]=t[0],r[1]=t[1],null}function ng(e,t,n,r,o){const i=[];let a=0;return t.forEach(((t,s)=>{const l=Hm.newInstance();switch(l.setContentType(Km.INDICES),e){case $m.FIELD_ASSOCIATION_CELLS:l.setFieldType(qm.CELL);break;case $m.FIELD_ASSOCIATION_POINTS:l.setFieldType(qm.POINT);break;default:Ym("Unknown field association")}l.getProperties().propID=t.info.propID,l.getProperties().prop=t.info.prop,l.getProperties().compositeID=t.info.compositeID,l.getProperties().attributeID=t.info.attributeID,l.getProperties().pixelCount=t.pixelCount,n&&(l.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],l.getProperties().worldPosition=o.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,r)),l.setSelectionList(t.attributeIDs),i[a]=l,a++})),i}function rg(e,t,n,r,o){const i=Math.floor(t),a=Math.floor(n),s=Math.floor(r),l=Math.floor(o),u=new Map,c=[0,0];for(let t=a;t<=l;t++)for(let n=i;n<=s;n++){const r=tg(e,[n,t],0,c);if(r&&r.valid){const t=Jm(r);if(u.has(t)){const n=u.get(t);n.pixelCount++,e.captureZValues&&r.zValue{t.rawPixBuffer=[],t.pixBuffer=[],t.zBuffer=null},e.beginSelection=()=>{t._openGLRenderer=t._openGLRenderWindow.getViewNodeFor(t._renderer),t.maxAttributeId=0;const n=t._openGLRenderWindow.getSize();if(t.framebuffer){t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers();const e=t.framebuffer.getSize();e[0]!==n[0]||e[1]!==n[1]?(t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer()):t.framebuffer.bind()}else t.framebuffer=Zs.newInstance(),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer();if(t._openGLRenderer.clear(),t._openGLRenderer.setSelector(e),t.hitProps={},t.propPixels={},t.props=[],e.releasePixBuffers(),t.fieldAssociation===$m.FIELD_ASSOCIATION_POINTS){const e=t._openGLRenderWindow.getContext(),n=e.isEnabled(e.BLEND);e.disable(e.BLEND),t._openGLRenderWindow.traverseAllPasses(),n&&e.enable(e.BLEND)}},e.endSelection=()=>{t.hitProps={},t._openGLRenderer.setSelector(null),t.framebuffer.restorePreviousBindingsAndBuffers()},e.preCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending=e.isEnabled(e.BLEND),e.disable(e.BLEND)},e.postCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending&&e.enable(e.BLEND)},e.select=()=>{let n=null;return e.captureBuffers()&&(n=e.generateSelection(t.area[0],t.area[1],t.area[2],t.area[3]),e.releasePixBuffers()),n},e.getSourceDataAsync=async(n,r,o,i,a)=>{if(t._renderer=n,void 0===r){const n=t._openGLRenderWindow.getSize();e.setArea(0,0,n[0]-1,n[1]-1)}else e.setArea(r,o,i,a);if(!e.captureBuffers())return!1;const s={area:[...t.area],pixBuffer:[...t.pixBuffer],captureZValues:t.captureZValues,zBuffer:t.zBuffer,props:[...t.props],fieldAssociation:t.fieldAssociation,renderer:n,openGLRenderWindow:t._openGLRenderWindow,generateSelection:function(){for(var e=arguments.length,t=new Array(e),n=0;n{if(!t._renderer||!t._openGLRenderWindow)return Ym("Renderer and view must be set before calling Select."),!1;t._openGLRenderer=t._openGLRenderWindow.getViewNodeFor(t._renderer),t._openGLRenderWindow.getRenderable().preRender(),e.invokeEvent({type:"StartEvent"}),t.originalBackground=t._renderer.getBackgroundByReference(),t._renderer.setBackground(0,0,0,0);const n=t._openGLRenderWindow.getRenderPasses();for(e.beginSelection(),t.currentPass=Xm.MIN_KNOWN_PASS;t.currentPass<=Xm.MAX_KNOWN_PASS;t.currentPass++)e.passRequired(t.currentPass)&&(e.preCapturePass(t.currentPass),t.captureZValues&&t.currentPass===Xm.ACTOR_PASS&&"function"==typeof n[0].requestDepth&&"function"==typeof n[0].getFramebuffer?(n[0].requestDepth(),t._openGLRenderWindow.traverseAllPasses()):t._openGLRenderWindow.traverseAllPasses(),e.postCapturePass(t.currentPass),e.savePixelBuffer(t.currentPass),e.processPixelBuffers());return e.endSelection(),t._renderer.setBackground(t.originalBackground),e.invokeEvent({type:"EndEvent"}),!0},e.processPixelBuffers=()=>{t.props.forEach(((n,r)=>{e.isPropHit(r)&&n.processSelectorPixelBuffers(e,t.propPixels[r])}))},e.passRequired=e=>{if(e===Xm.ID_HIGH24){if(t.fieldAssociation===$m.FIELD_ASSOCIATION_POINTS)return t.maximumPointId>16777215;if(t.fieldAssociation===$m.FIELD_ASSOCIATION_CELLS)return t.maximumCellId>16777215}return!0},e.savePixelBuffer=n=>{if(t.pixBuffer[n]=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),!t.rawPixBuffer[n]){const e=(t.area[2]-t.area[0]+1)*(t.area[3]-t.area[1]+1)*4;t.rawPixBuffer[n]=new Uint8Array(e),t.rawPixBuffer[n].set(t.pixBuffer[n])}if(n===Xm.ACTOR_PASS){if(t.captureZValues){const e=t._openGLRenderWindow.getRenderPasses();if("function"==typeof e[0].requestDepth&&"function"==typeof e[0].getFramebuffer){const n=e[0].getFramebuffer();n.saveCurrentBindingsAndBuffers(),n.bind(),t.zBuffer=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),n.restorePreviousBindingsAndBuffers()}}e.buildPropHitList(t.rawPixBuffer[n])}},e.buildPropHitList=e=>{let n=0;for(let r=0;r<=t.area[3]-t.area[1];r++)for(let o=0;o<=t.area[2]-t.area[0];o++){let i=Zm(o,r,e,t.area);i>0&&(i--,i in t.hitProps||(t.hitProps[i]=!0,t.propPixels[i]=[]),t.propPixels[i].push(4*n)),++n}},e.renderProp=n=>{t.currentPass===Xm.ACTOR_PASS&&(e.setPropColorValueFromInt(t.props.length+1),t.props.push(n))},e.renderCompositeIndex=n=>{t.currentPass===Xm.COMPOSITE_INDEX_PASS&&e.setPropColorValueFromInt(n+1)},e.renderAttributeId=e=>{e<0||(t.maxAttributeId=e>t.maxAttributeId?e:t.maxAttributeId)},e.passTypeToString=e=>gt.enumToString(Xm,e),e.isPropHit=e=>Boolean(t.hitProps[e]),e.setPropColorValueFromInt=e=>{t.propColorValue[0]=e%256/255,t.propColorValue[1]=Math.floor(e/256)%256/255,t.propColorValue[2]=Math.floor(e/65536)%256/255},e.getPixelInformation=(n,r,o)=>{const i=r<0?0:r;if(0===i){if(o[0]=n[0],o[1]=n[1],n[0]t.area[2]||n[1]t.area[3])return null;const e=[n[0]-t.area[0],n[1]-t.area[1]],r=Zm(e[0],e[1],t.pixBuffer[Xm.ACTOR_PASS],t.area);if(r<=0||r-1>=t.props.length)return null;const i={valid:!0};i.propID=r-1,i.prop=t.props[i.propID];let a=Zm(e[0],e[1],t.pixBuffer[Xm.COMPOSITE_INDEX_PASS],t.area);if((a<0||a>16777215)&&(a=0),i.compositeID=a-1,t.captureZValues){const r=4*(e[1]*(t.area[2]-t.area[0]+1)+e[0]);i.zValue=(256*t.zBuffer[r]+t.zBuffer[r+1])/65535,i.displayPosition=n}if(t.pixBuffer[Xm.ID_LOW24]&&0===Qm(e[0],e[1],t.pixBuffer[Xm.ID_LOW24],t.area))return i;const s=Zm(e[0],e[1],t.pixBuffer[Xm.ID_LOW24],t.area),l=Zm(e[0],e[1],t.pixBuffer[Xm.ID_HIGH24],t.area);return i.attributeID=eg(s,l),i}const a=[n[0],n[1]],s=[0,0];let l=e.getPixelInformation(n,0,o);if(l&&l.valid)return l;for(let t=1;tt?a[1]-t:0;n<=a[1]+t;++n){if(s[1]=n,a[0]>=t&&(s[0]=a[0]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[0]=a[0]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}for(let n=a[0]>=t?a[0]-(t-1):0;n<=a[0]+(t-1);++n){if(s[0]=n,a[1]>=t&&(s[1]=a[1]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[1]=a[1]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}}return o[0]=n[0],o[1]=n[1],null},e.generateSelection=(n,r,o,i)=>{const a=Math.floor(n),s=Math.floor(r),l=Math.floor(o),u=Math.floor(i),c=new Map,d=[0,0];for(let n=s;n<=u;n++)for(let r=a;r<=l;r++){const o=[r,n],i=e.getPixelInformation(o,0,d);if(i&&i.valid){const e=Jm(i);if(c.has(e)){const n=c.get(e);n.pixelCount++,t.captureZValues&&i.zValuet.rawPixBuffer[e],e.getPixelBuffer=e=>t.pixBuffer[e],e.attach=(e,n)=>{t._openGLRenderWindow=e,t._renderer=n};const n=e.setArea;e.setArea=function(){return!!n(...arguments)&&(t.area[0]=Math.floor(t.area[0]),t.area[1]=Math.floor(t.area[1]),t.area[2]=Math.floor(t.area[2]),t.area[3]=Math.floor(t.area[3]),!0)}}const ig={area:void 0,currentPass:-1,propColorValue:null,props:null,maximumPointId:0,maximumCellId:0,idOffset:1};function ag(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ig,n),Gm.extend(e,t,n),t.propColorValue=[0,0,0],t.props=[],t.area||(t.area=[0,0,0,0]),gt.setGetArray(e,t,["area"],4),gt.setGet(e,t,["_renderer","currentPass","_openGLRenderWindow","maximumPointId","maximumCellId"]),gt.setGetArray(e,t,["propColorValue"],3),gt.moveToProtected(e,t,["renderer","openGLRenderWindow"]),gt.event(e,t,"event"),og(e,t)}var sg={newInstance:gt.newInstance(ag,"vtkOpenGLHardwareSelector"),extend:ag,...cm},lg=n(594),ug=n.n(lg);const cg=["lastShaderProgramBound","context","_openGLRenderWindow"];function dg(e,t){t.classHierarchy.push("vtkShaderCache"),e.replaceShaderValues=(e,n,r)=>{let o=n;r.length>0&&(o=Ca.substitute(o,"VSOut","GSOut").result);const i=t._openGLRenderWindow.getWebgl2();let a="\n",s="#version 100\n";i?s="#version 300 es\n#define attribute in\n#define textureCube texture\n#define texture2D texture\n#define textureCubeLod textureLod\n#define texture2DLod textureLod\n":(t.context.getExtension("OES_standard_derivatives"),t.context.getExtension("EXT_frag_depth")&&(a="#extension GL_EXT_frag_depth : enable\n"),t.context.getExtension("EXT_shader_texture_lod")&&(a+="#extension GL_EXT_shader_texture_lod : enable\n#define textureCubeLod textureCubeLodEXT\n#define texture2DLod texture2DLodEXT")),o=Ca.substitute(o,"//VTK::System::Dec",[`${s}\n`,i?"":"#extension GL_OES_standard_derivatives : enable\n",a,"#ifdef GL_FRAGMENT_PRECISION_HIGH","precision highp float;","precision highp int;","#else","precision mediump float;","precision mediump int;","#endif"]).result;let l=Ca.substitute(e,"//VTK::System::Dec",[`${s}\n`,"#ifdef GL_FRAGMENT_PRECISION_HIGH","precision highp float;","precision highp int;","#else","precision mediump float;","precision mediump int;","#endif"]).result;if(i){l=Ca.substitute(l,"varying","out").result,o=Ca.substitute(o,"varying","in").result;let e="",t=0;for(;o.includes(`gl_FragData[${t}]`);)o=Ca.substitute(o,`gl_FragData\\[${t}\\]`,`fragOutput${t}`).result,e+=`layout(location = ${t}) out vec4 fragOutput${t};\n`,t++;o=Ca.substitute(o,"//VTK::Output::Dec",e).result}return{VSSource:l,FSSource:o,GSSource:Ca.substitute(r,"//VTK::System::Dec",s).result}},e.readyShaderProgramArray=(t,n,r)=>{const o=e.replaceShaderValues(t,n,r),i=e.getShaderProgram(o.VSSource,o.FSSource,o.GSSource);return e.readyShaderProgram(i)},e.readyShaderProgram=t=>t&&(t.getCompiled()||t.compileShader())&&e.bindShaderProgram(t)?t:null,e.getShaderProgram=(e,n,r)=>{const o=`${e}${n}${r}`,i=ug().hash(o);if(!(i in t.shaderPrograms)){const o=Ca.newInstance();return o.setContext(t.context),o.getVertexShader().setSource(e),o.getFragmentShader().setSource(n),r&&o.getGeometryShader().setSource(r),o.setMd5Hash(i),t.shaderPrograms[i]=o,o}return t.shaderPrograms[i]},e.releaseGraphicsResources=n=>{e.releaseCurrentShaderProgram(),Object.keys(t.shaderPrograms).map((e=>t.shaderPrograms[e])).forEach((e=>e.cleanup())),t.shaderPrograms={}},e.releaseCurrentShaderProgram=()=>{t.lastShaderProgramBound&&(t.lastShaderProgramBound.cleanup(),t.lastShaderProgramBound=null)},e.bindShaderProgram=e=>(t.lastShaderProgramBound===e||(t.lastShaderProgramBound&&t.lastShaderProgramBound.release(),e.bind(),t.lastShaderProgramBound=e),1)}const pg={lastShaderProgramBound:null,shaderPrograms:null,context:null};function fg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,pg,n),t.shaderPrograms={},gt.obj(e,t),gt.setGet(e,t,cg),gt.moveToProtected(e,t,["openGLRenderWindow"]),dg(e,t)}var hg={newInstance:gt.newInstance(fg,"vtkShaderCache"),extend:fg};const{vtkErrorMacro:mg}=gt;function gg(e,t){t.classHierarchy.push("vtkOpenGLTextureUnitManager"),e.deleteTable=()=>{for(let e=0;e{if(t.context!==n){if(0!==t.context&&e.deleteTable(),t.context=n,t.context){t.numberOfTextureUnits=n.getParameter(n.MAX_TEXTURE_IMAGE_UNITS);for(let e=0;e{for(let n=0;ne.isAllocated(n)?-1:(t.textureUnits[n]=!0,n),e.isAllocated=e=>t.textureUnits[e],e.free=e=>{t.textureUnits[e]=!1},e.freeAll=()=>{for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,vg,n),gt.obj(e,t),t.textureUnits=[],gt.get(e,t,["numberOfTextureUnits"]),gt.setGet(e,t,["context"]),gg(e,t)}var bg={newInstance:gt.newInstance(yg,"vtkOpenGLTextureUnitManager"),extend:yg};function xg(e,t){t.classHierarchy.push("vtkRenderWindowViewNode"),e.getViewNodeFactory=()=>null,e.getAspectRatio=()=>t.size[0]/t.size[1],e.getAspectRatioForRenderer=e=>{const n=e.getViewportByReference();return t.size[0]*(n[2]-n[0])/((n[3]-n[1])*t.size[1])},e.isInViewport=(t,n,r)=>{const o=r.getViewportByReference(),i=e.getFramebufferSize();return o[0]*i[0]<=t&&o[2]*i[0]>=t&&o[1]*i[1]<=n&&o[3]*i[1]>=n},e.getViewportSize=t=>{const 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i=o.getViewportByReference();i=e.normalizedDisplayToDisplay(i[0],i[1],0);const a=e.normalizedDisplayToDisplay(t,n,r);return[a[0]-i[0]-.5,a[1]-i[1]-.5,r]},e.viewportToNormalizedViewport=(t,n,r,o)=>{const i=e.getViewportSize(o);return i&&0!==i[0]&&0!==i[1]?[t/(i[0]-1),n/(i[1]-1),r]:[t,n,r]},e.normalizedViewportToViewport=(t,n,r,o)=>{const i=e.getViewportSize(o);return[t*(i[0]-1),n*(i[1]-1),r]},e.displayToLocalDisplay=(t,n,r)=>[t,e.getFramebufferSize()[1]-n-1,r],e.viewportToNormalizedDisplay=(t,n,r,o)=>{let i=o.getViewportByReference();i=e.normalizedDisplayToDisplay(i[0],i[1],0);const a=t+i[0]+.5,s=n+i[1]+.5;return e.displayToNormalizedDisplay(a,s,r)},e.getComputedDevicePixelRatio=()=>t.size[0]/e.getContainerSize()[0],e.getContainerSize=()=>{gt.vtkErrorMacro("not implemented")},e.getPixelData=(e,t,n,r)=>{gt.vtkErrorMacro("not implemented")},e.createSelector=()=>{gt.vtkErrorMacro("not implemented")}}const _g={size:void 0,selector:void 0};function Tg(e,t){let n=arguments.length>2&&void 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t=e.getContainer().getElementsByTagName("canvas");for(let e=0;e{t.cullFaceEnabled&&(t.context.disable(t.context.CULL_FACE),t.cullFaceEnabled=!1)},e.enableCullFace=()=>{t.cullFaceEnabled||(t.context.enable(t.context.CULL_FACE),t.cullFaceEnabled=!0)},e.setViewStream=n=>t.viewStream!==n&&(t.subscription&&(t.subscription.unsubscribe(),t.subscription=null),t.viewStream=n,t.viewStream&&(t.renderable.getRenderers()[0].getBackgroundByReference()[3]=0,e.setUseBackgroundImage(!0),t.subscription=t.viewStream.onImageReady((t=>e.setBackgroundImage(t.image))),t.viewStream.setSize(t.size[0],t.size[1]),t.viewStream.invalidateCache(),t.viewStream.render(),e.modified()),!0),e.createSelector=()=>{const t=sg.newInstance();return t.setOpenGLRenderWindow(e),t},e.delete=gt.chain((function(){t.canvas.removeEventListener("webglcontextlost",Ng),t.canvas.removeEventListener("webglcontextrestored",e.restoreContext)}),e.delete,e.setViewStream,Pg),e.setActiveFramebuffer=e=>{t.activeFramebuffer=e};const i=e.setSize;e.setSize=(t,n)=>{const r=i(t,n);return r&&e.invokeWindowResizeEvent({width:t,height:n}),r},e.getGraphicsResourceForObject=e=>e?{vtkObj:t._graphicsResources.get(e),hash:t._graphicsResourceHash.get(e)}:null,e.setGraphicsResourceForObject=(e,n,r)=>{e&&(t._graphicsResources.set(e,n),t._graphicsResourceHash.set(e,r))},e.getGraphicsMemoryInfo=()=>{let e=0;return t._graphicsResources.forEach(((t,n)=>{e+=t.getAllocatedGPUMemoryInBytes()})),e},e.releaseGraphicsResourcesForObject=n=>!!n&&(t._graphicsResources.get(n)?.releaseGraphicsResources(e),t._graphicsResources.delete(n)&&t._graphicsResourceHash.delete(n)),e.releaseGraphicsResources=()=>{null!==t.shaderCache&&t.shaderCache.releaseGraphicsResources(e),t._graphicsResources.forEach(((t,n)=>{t.releaseGraphicsResources(e)})),t._graphicsResources.clear(),t._graphicsResourceHash.clear(),null!==t.textureUnitManager&&t.textureUnitManager.freeAll(),t.renderable.getRenderersByReference().forEach((t=>{e.getViewNodeFor(t)?.releaseGraphicsResources()}))}}const Rg={cullFaceEnabled:!1,shaderCache:null,initialized:!1,context:null,canvas:null,cursorVisibility:!0,cursor:"pointer",textureUnitManager:null,textureResourceIds:null,containerSize:null,renderPasses:[],notifyStartCaptureImage:!1,webgl2:!1,defaultToWebgl2:!0,activeFramebuffer:null,imageFormat:"image/png",useOffScreen:!1,useBackgroundImage:!1};const Fg=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Rg,n),Sg.extend(e,t,n),t.canvas=document.createElement("canvas"),t.canvas.style.width="100%",Og(),t.selector||(t.selector=sg.newInstance(),t.selector.setOpenGLRenderWindow(e)),t.bgImage=new Image,t.bgImage.style.position="absolute",t.bgImage.style.left="0",t.bgImage.style.top="0",t.bgImage.style.width="100%",t.bgImage.style.height="100%",t.bgImage.style.zIndex="-1",t._textureResourceIds=new Map,t._graphicsResources=new Map,t._graphicsResourceHash=new Map,t._glInformation=null,t.myFactory=Nt.newInstance(),t.myFactory.registerOverride("vtkRenderWindow",Fg),t.shaderCache=hg.newInstance(),t.shaderCache.setOpenGLRenderWindow(e),t.renderPasses[0]=km.newInstance(),gt.event(e,t,"imageReady"),gt.get(e,t,["shaderCache","textureUnitManager","webgl2","useBackgroundImage","activeFramebuffer"]),gt.setGet(e,t,["initialized","context","canvas","renderPasses","notifyStartCaptureImage","defaultToWebgl2","cursor","useOffScreen"]),gt.setGetArray(e,t,["size"],2),gt.event(e,t,"windowResizeEvent"),Mg(e,t)}),"vtkOpenGLRenderWindow");If("WebGL",Fg);const kg=["setBindGroup","setIndexBuffer","setVertexBuffer","draw","drawIndexed"];function Lg(e,t){t.classHierarchy.push("vtkWebGPURenderEncoder"),e.begin=e=>{t.drawCallbacks=[],t.handle=e.beginRenderPass(t.description),t.label&&t.handle.pushDebugGroup(t.label)},e.end=()=>{for(let n=0;n{if(t.boundPipeline===e)return;t.handle.setPipeline(e.getHandle());const n=e.getPipelineDescription();if(t.colorTextureViews.length!==n.fragment.targets.length)console.log(`mismatched attachment counts on pipeline ${n.fragment.targets.length} while encoder has ${t.colorTextureViews.length}`),console.trace();else for(let e=0;e{t.replaceShaderCodeFunction(e)},e.setColorTextureView=(e,n)=>{t.colorTextureViews[e]!==n&&(t.colorTextureViews[e]=n)},e.activateBindGroup=e=>{const n=t.boundPipeline.getDevice(),r=t.boundPipeline.getBindGroupLayoutCount(e.getLabel());t.handle.setBindGroup(r,e.getBindGroup(n));const o=n.getBindGroupLayoutDescription(e.getBindGroupLayout(n)),i=n.getBindGroupLayoutDescription(t.boundPipeline.getBindGroupLayout(r));o!==i&&(console.log(`renderEncoder ${t.pipelineHash} mismatched bind group layouts bind group has\n${o}\n versus pipeline\n${i}\n`),console.trace())},e.attachTextureViews=()=>{for(let e=0;e{for(let r=0;r2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Bg,n),je(e,t),t.description={colorAttachments:[{view:void 0,loadOp:"load",storeOp:"store"}],depthStencilAttachment:{view:void 0,depthLoadOp:"clear",depthClearValue:0,depthStoreOp:"store"}},t.replaceShaderCodeFunction=e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = computedColor;"]).result,t.setCode(n)},t.pipelineSettings={primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater-equal",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}},t.colorTextureViews=[],He(e,t,["boundPipeline","colorTextureViews"]),$e(e,t,["depthTextureView","description","handle","label","pipelineHash","pipelineSettings","replaceShaderCodeFunction"]),Lg(e,t)}var Ug={newInstance:rt(Vg,"vtkWebGPURenderEncoder"),extend:Vg};function Gg(e,t){t.classHierarchy.push("vtkWebGPUTextureView"),e.create=(e,n)=>{t.texture=e,t.options=n,t.options.dimension=t.options.dimension||"2d",t.options.label=t.label,t.textureHandle=e.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupLayoutEntry.texture.viewDimension=t.options.dimension;const r=Hl(t.texture.getFormat());t.bindGroupLayoutEntry.texture.sampleType=r.sampleType},e.createFromTextureHandle=(e,n)=>{t.texture=null,t.options=n,t.options.dimension=t.options.dimension||"2d",t.options.label=t.label,t.textureHandle=e,t.handle=t.textureHandle.createView(t.options),t.bindGroupLayoutEntry.texture.viewDimension=t.options.dimension;const r=Hl(n.format);t.bindGroupLayoutEntry.texture.sampleType=r.sampleType,t.bindGroupTime.modified()},e.getBindGroupEntry=()=>({resource:e.getHandle()}),e.getShaderCode=(e,n)=>{let r="f32";"sint"===t.bindGroupLayoutEntry.texture.sampleType?r="i32":"uint"===t.bindGroupLayoutEntry.texture.sampleType&&(r="u32");let o=`@binding(${e}) @group(${n}) var ${t.label}: texture_${t.options.dimension}<${r}>;`;return"depth"===t.bindGroupLayoutEntry.texture.sampleType&&(o=`@binding(${e}) @group(${n}) var ${t.label}: texture_depth_${t.options.dimension};`),o},e.addSampler=(n,r)=>{const o=vc.newInstance({label:`${t.label}Sampler`});o.create(n,r),e.setSampler(o)},e.getBindGroupTime=()=>(t.texture&&t.texture.getHandle()!==t.textureHandle&&(t.textureHandle=t.texture.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupTime.modified()),t.bindGroupTime),e.getHandle=()=>(t.texture&&t.texture.getHandle()!==t.textureHandle&&(t.textureHandle=t.texture.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupTime.modified()),t.handle)}const zg={texture:null,handle:null,sampler:null,label:null};function jg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,zg,n),gt.obj(e,t),t.bindGroupLayoutEntry={visibility:GPUShaderStage.VERTEX|GPUShaderStage.FRAGMENT,texture:{sampleType:"float",viewDimension:"2d"}},t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),gt.get(e,t,["bindGroupTime","texture"]),gt.setGet(e,t,["bindGroupLayoutEntry","label","sampler"]),Gg(e,t)}var Wg={newInstance:gt.newInstance(jg),extend:jg};function Hg(e,t){t.classHierarchy.push("vtkTexture"),e.imageLoaded=()=>{t.image.removeEventListener("load",e.imageLoaded),t.imageLoaded=!0,e.modified()},e.setJsImageData=n=>{t.jsImageData!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.image=null,t.canvas=null),t.jsImageData=n,t.imageLoaded=!0,e.modified())},e.setCanvas=n=>{t.canvas!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.image=null,t.jsImageData=null),t.canvas=n,e.modified())},e.setImage=n=>{t.image!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.canvas=null,t.jsImageData=null),t.image=n,t.imageLoaded=!1,n.complete?e.imageLoaded():n.addEventListener("load",e.imageLoaded),e.modified())},e.getDimensionality=()=>{let n=0,r=0,o=1;if(e.getInputData()){const t=e.getInputData();n=t.getDimensions()[0],r=t.getDimensions()[1],o=t.getDimensions()[2]}return t.jsImageData&&(n=t.jsImageData.width,r=t.jsImageData.height),t.canvas&&(n=t.canvas.width,r=t.canvas.height),t.image&&(n=t.image.width,r=t.image.height),(n>1)+(r>1)+(o>1)},e.getInputAsJsImageData=()=>{if(!t.imageLoaded||e.getInputData())return null;if(t.jsImageData)return t.jsImageData();if(t.canvas)return t.canvas.getContext("2d").getImageData(0,0,t.canvas.width,t.canvas.height);if(t.image){const e=document.createElement("canvas");e.width=t.image.width,e.height=t.image.height;const n=e.getContext("2d");return n.translate(0,e.height),n.scale(1,-1),n.drawImage(t.image,0,0,t.image.width,t.image.height),n.getImageData(0,0,e.width,e.height)}return null}}const Xg={image:null,canvas:null,jsImageData:null,imageLoaded:!1,repeat:!1,interpolate:!1,edgeClamp:!1,mipLevel:0,resizable:!1};function Kg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Xg,n),gt.obj(e,t),gt.algo(e,t,6,0),gt.get(e,t,["canvas","image","jsImageData","imageLoaded","resizable"]),gt.setGet(e,t,["repeat","edgeClamp","interpolate","mipLevel"]),Hg(e,t)}const qg={generateMipmaps:(e,t,n,r)=>{const o=[1,2,1],i=e.length/(t*n);let a=t,s=n,l=e;const u=[l];for(let e=0;ei&&(c+=t),d<-i&&(c-=t),r[c]?u+=r[c]*o[l]:s-=o[l],a+=1}l[e+n]=u/s}r=[...l];for(let e=0;e{t.device=e,t.width=n.width,t.height=n.height,t.depth=n.depth?n.depth:1;const r=1===t.depth?"2d":"3d";t.format=n.format?n.format:"rgba8unorm",t.mipLevel=n.mipLevel?n.mipLevel:0,t.usage=n.usage?n.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST,t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label,dimension:r,mipLevelCount:t.mipLevel+1})},e.assignFromHandle=(e,n,r)=>{t.device=e,t.handle=n,t.width=r.width,t.height=r.height,t.depth=r.depth?r.depth:1,t.format=r.format?r.format:"rgba8unorm",t.usage=r.usage?r.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST},e.writeImageData=n=>{let r=[];if(n.canvas)return t.device.getHandle().queue.copyExternalImageToTexture({source:n.canvas,flipY:n.flip},{texture:t.handle,premultipliedAlpha:!0},[t.width,t.height,t.depth]),void(t.ready=!0);n.jsImageData&&!n.nativeArray&&(n.width=n.jsImageData.width,n.height=n.jsImageData.height,n.depth=1,n.format="rgba8unorm",n.flip=!0,n.nativeArray=n.jsImageData.data);const o=Hl(t.format);let i=t.width*o.stride;const a=(e,t,n)=>{const r=e.length/(t*n)*e.BYTES_PER_ELEMENT,i=2===o.elementSize&&"float"===o.sampleType;if(i||r%256){const a=e,s=r/a.BYTES_PER_ELEMENT,l=o.elementSize,u=256*Math.floor((s*l+255)/256),c=u/l,d=gt.newTypedArray(i?"Uint16Array":a.constructor.name,c*t*n);for(let e=0;e{const e=Hl(t.format);return 2===e.elementSize&&"float"===e.sampleType?1:255},e.getNumberOfComponents=()=>Hl(t.format).numComponents,e.getDimensionality=()=>{let e=0;return t.width>1&&e++,t.height>1&&e++,t.depth>1&&e++,e},e.resizeToMatch=e=>{e.getWidth()===t.width&&e.getHeight()===t.height&&e.getDepth()===t.depth||(t.width=e.getWidth(),t.height=e.getHeight(),t.depth=e.getDepth(),t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label}))},e.resize=function(e,n){let r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:1;e===t.width&&n===t.height&&r===t.depth||(t.width=e,t.height=n,t.depth=r,t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label}))},e.createView=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};r.dimension||(r.dimension=1===t.depth?"2d":"3d");const o=Wg.newInstance({label:n});return o.create(e,r),o}}const Qg={device:null,handle:null,buffer:null,ready:!1,label:null};function Zg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Qg,n),gt.obj(e,t),gt.get(e,t,["handle","ready","width","height","depth","format","usage"]),gt.setGet(e,t,["device","label"]),Jg(e,t)}var ev={newInstance:gt.newInstance(Zg),extend:Zg};function tv(e,t){t.classHierarchy.push("vtkWebGPUOpaquePass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.renderEncoder)t.colorTexture.resize(r.getCanvas().width,r.getCanvas().height),t.depthTexture.resize(r.getCanvas().width,r.getCanvas().height);else{e.createRenderEncoder(),t.colorTexture=ev.newInstance({label:"opaquePassColor"}),t.colorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const n=t.colorTexture.createView("opaquePassColorTexture");t.renderEncoder.setColorTextureView(0,n),t.depthFormat="depth32float",t.depthTexture=ev.newInstance({label:"opaquePassDepth"}),t.depthTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:t.depthFormat,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const i=t.depthTexture.createView("opaquePassDepthTexture");t.renderEncoder.setDepthTextureView(i)}t.renderEncoder.attachTextureViews(),e.setCurrentOperation("opaquePass"),n.setRenderEncoder(t.renderEncoder),n.traverse(e)},e.getColorTextureView=()=>t.renderEncoder.getColorTextureViews()[0],e.getDepthTextureView=()=>t.renderEncoder.getDepthTextureView(),e.createRenderEncoder=()=>{t.renderEncoder=Ug.newInstance({label:"OpaquePass"}),t.renderEncoder.setPipelineHash("op")}}const nv={renderEncoder:null,colorTexture:null,depthTexture:null};function rv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,nv,n),Cm.extend(e,t,n),gt.get(e,t,["colorTexture","depthTexture"]),tv(e,t)}var ov={newInstance:gt.newInstance(rv,"vtkWebGPUOpaquePass"),extend:rv};function iv(e,t){t.classHierarchy.push("vtkWebGPUOrderIndependentTranslucentPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.translucentRenderEncoder)t.translucentColorTexture.resizeToMatch(t.colorTextureView.getTexture()),t.translucentAccumulateTexture.resizeToMatch(t.colorTextureView.getTexture());else{e.createRenderEncoder(),e.createFinalEncoder(),t.translucentColorTexture=ev.newInstance({label:"translucentPassColor"}),t.translucentColorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const n=t.translucentColorTexture.createView("oitpColorTexture");t.translucentRenderEncoder.setColorTextureView(0,n),t.translucentAccumulateTexture=ev.newInstance({label:"translucentPassAccumulate"}),t.translucentAccumulateTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const i=t.translucentAccumulateTexture.createView("oitpAccumTexture");t.translucentRenderEncoder.setColorTextureView(1,i),t.fullScreenQuad=du.newInstance(),t.fullScreenQuad.setDevice(r.getDevice()),t.fullScreenQuad.setPipelineHash("oitpfsq"),t.fullScreenQuad.setTextureViews(t.translucentRenderEncoder.getColorTextureViews()),t.fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var tcoord: vec2 = vec2(i32(input.fragPos.x), i32(input.fragPos.y));\n var reveal: f32 = textureLoad(oitpAccumTexture, tcoord, 0).r;\n if (reveal == 1.0) { discard; }\n var tcolor: vec4 = textureLoad(oitpColorTexture, tcoord, 0);\n var total: f32 = max(tcolor.a, 0.01);\n var computedColor: vec4 = vec4(tcolor.r/total, tcolor.g/total, tcolor.b/total, 1.0 - reveal);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n")}t.translucentRenderEncoder.setDepthTextureView(t.depthTextureView),t.translucentRenderEncoder.attachTextureViews(),e.setCurrentOperation("translucentPass"),n.setRenderEncoder(t.translucentRenderEncoder),n.traverse(e),e.finalPass(r,n)},e.finalPass=(e,n)=>{t.translucentFinalEncoder.setColorTextureView(0,t.colorTextureView),t.translucentFinalEncoder.attachTextureViews(),t.translucentFinalEncoder.begin(e.getCommandEncoder()),n.scissorAndViewport(t.translucentFinalEncoder),t.fullScreenQuad.prepareAndDraw(t.translucentFinalEncoder),t.translucentFinalEncoder.end()},e.getTextures=()=>[t.translucentColorTexture,t.translucentAccumulateTexture],e.createRenderEncoder=()=>{t.translucentRenderEncoder=Ug.newInstance({label:"translucentRender"});const e=t.translucentRenderEncoder.getDescription();e.colorAttachments=[{view:void 0,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:void 0,clearValue:[1,0,0,0],loadOp:"clear",storeOp:"store"}],e.depthStencilAttachment={view:void 0,depthLoadOp:"load",depthStoreOp:"store"},t.translucentRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor"),t.addOutput("f32","outAccum"),t.addBuiltinInput("vec4","@builtin(position) fragPos");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["var w: f32 = computedColor.a * pow(0.1 + input.fragPos.z, 2.0);","output.outColor = vec4(computedColor.rgb*w, w);","output.outAccum = computedColor.a;"]).result,t.setCode(n)})),t.translucentRenderEncoder.setPipelineHash("oitpr"),t.translucentRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!1,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one"},alpha:{srcfactor:"one",dstFactor:"one"}}},{format:"r16float",blend:{color:{srcFactor:"zero",dstFactor:"one-minus-src"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createFinalEncoder=()=>{t.translucentFinalEncoder=Ug.newInstance({label:"translucentFinal"}),t.translucentFinalEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t.translucentFinalEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor"),t.addBuiltinInput("vec4","@builtin(position) fragPos");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t.translucentFinalEncoder.setPipelineHash("oitpf"),t.translucentFinalEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})}}const av={colorTextureView:null,depthTextureView:null};function sv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,av,n),Cm.extend(e,t,n),gt.setGet(e,t,["colorTextureView","depthTextureView"]),iv(e,t)}var lv={newInstance:gt.newInstance(sv,"vtkWebGPUOrderIndependentTranslucentPass"),extend:sv};const uv="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Volume::TraverseDec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\nfn getTextureValue(vTex: texture_3d, tpos: vec4) -> f32\n{\n // todo multicomponent support\n return textureSampleLevel(vTex, clampSampler, tpos.xyz, 0.0).r;\n}\n\nfn getGradient(vTex: texture_3d, tpos: vec4, vNum: i32, scalar: f32) -> vec4\n{\n var result: vec4;\n\n var tstep: vec4 = volumeSSBO.values[vNum].tstep;\n result.x = getTextureValue(vTex, tpos + vec4(tstep.x, 0.0, 0.0, 1.0)) - scalar;\n result.y = getTextureValue(vTex, tpos + vec4(0.0, tstep.y, 0.0, 1.0)) - scalar;\n result.z = getTextureValue(vTex, tpos + vec4(0.0, 0.0, tstep.z, 1.0)) - scalar;\n result.w = 0.0;\n\n // divide by spacing as that is our delta\n result = result / volumeSSBO.values[vNum].spacing;\n // now we have a gradient in unit tcoords\n\n var grad: f32 = length(result.xyz);\n if (grad > 0.0)\n {\n // rotate to View Coords, needed for lighting and shading\n var nMat: mat4x4 = rendererUBO.SCVCMatrix * volumeSSBO.values[vNum].planeNormals;\n result = nMat * result;\n result = result / length(result);\n }\n\n // store gradient magnitude in .w\n result.w = grad;\n\n return result;\n}\n\nfn processVolume(vTex: texture_3d, vNum: i32, cNum: i32, posSC: vec4, tfunRows: f32) -> vec4\n{\n var outColor: vec4 = vec4(0.0, 0.0, 0.0, 0.0);\n\n // convert to tcoords and reject if outside the volume\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*posSC;\n if (tpos.x < 0.0 || tpos.y < 0.0 || tpos.z < 0.0 ||\n tpos.x > 1.0 || tpos.y > 1.0 || tpos.z > 1.0) { return outColor; }\n\n var scalar: f32 = getTextureValue(vTex, tpos);\n\n var coord: vec2 =\n vec2(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n (0.5 + 2.0 * f32(vNum)) / tfunRows);\n var color: vec4 = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n\n var gofactor: f32 = 1.0;\n var normal: vec4 = vec4(0.0,0.0,0.0,0.0);\n if (componentSSBO.values[cNum].gomin < 1.0 || volumeSSBO.values[vNum].shade[0] > 0.0)\n {\n normal = getGradient(vTex, tpos, vNum, scalar);\n if (componentSSBO.values[cNum].gomin < 1.0)\n {\n gofactor = clamp(normal.a*componentSSBO.values[cNum].goScale + componentSSBO.values[cNum].goShift,\n componentSSBO.values[cNum].gomin, componentSSBO.values[cNum].gomax);\n }\n }\n\n coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n\n if (volumeSSBO.values[vNum].shade[0] > 0.0)\n {\n color = color*abs(normal.z);\n }\n\n outColor = vec4(color.rgb, gofactor * opacity);\n\n return outColor;\n}\n\n// adjust the start and end point of a raycast such that it intersects the unit cube.\n// This function is used to take a raycast starting point and step vector\n// and numSteps and return the startijng and ending steps for intersecting the\n// unit cube. Recall for a 3D texture, the unit cube is the range of texture coordsinates\n// that have valid values. So this funtion can be used to take a ray in texture coordinates\n// and bound it to intersecting the texture.\n//\nfn adjustBounds(tpos: vec4, tstep: vec4, numSteps: f32) -> vec2\n{\n var result: vec2 = vec2(0.0, numSteps);\n var tpos2: vec4 = tpos + tstep*numSteps;\n\n // move tpos to the start of the volume\n var adjust: f32 =\n min(\n max(tpos.x/tstep.x, (tpos.x - 1.0)/tstep.x),\n min(\n max((tpos.y - 1.0)/tstep.y, tpos.y/tstep.y),\n max((tpos.z - 1.0)/tstep.z, tpos.z/tstep.z)));\n if (adjust < 0.0)\n {\n result.x = result.x - adjust;\n }\n\n // adjust length to the end\n adjust =\n max(\n min(tpos2.x/tstep.x, (tpos2.x - 1.0)/tstep.x),\n max(\n min((tpos2.y - 1.0)/tstep.y, tpos2.y/tstep.y),\n min((tpos2.z - 1.0)/tstep.z, tpos2.z/tstep.z)));\n if (adjust > 0.0)\n {\n result.y = result.y - adjust;\n }\n\n return result;\n}\n\nfn getSimpleColor(scalar: f32, vNum: i32, cNum: i32) -> vec4\n{\n // how many rows (tfuns) do we have in our tfunTexture\n var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n var coord: vec2 =\n vec2(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n (0.5 + 2.0 * f32(vNum)) / tfunRows);\n var color: vec4 = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n return vec4(color.rgb, opacity);\n}\n\nfn traverseMax(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var maxVal: f32 = -1.0e37;\n loop\n {\n var scalar: f32 = getTextureValue(vTex, tpos);\n if (scalar > maxVal)\n {\n maxVal = scalar;\n }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(maxVal, vNum, cNum);\n}\n\nfn traverseMin(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var minVal: f32 = 1.0e37;\n loop\n {\n var scalar: f32 = getTextureValue(vTex, tpos);\n if (scalar < minVal)\n {\n minVal = scalar;\n }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(minVal, vNum, cNum);\n}\n\nfn traverseAverage(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n let ipRange: vec4 = volumeSSBO.values[vNum].ipScalarRange;\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var avgVal: f32 = 0.0;\n var sampleCount: f32 = 0.0;\n loop\n {\n var sample: f32 = getTextureValue(vTex, tpos);\n // right now leave filtering off until WebGL changes get merged\n // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n // {\n avgVal = avgVal + sample;\n sampleCount = sampleCount + 1.0;\n // }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n if (sampleCount <= 0.0)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(avgVal/sampleCount, vNum, cNum);\n}\n\nfn traverseAdditive(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n let ipRange: vec4 = volumeSSBO.values[vNum].ipScalarRange;\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var sumVal: f32 = 0.0;\n loop\n {\n var sample: f32 = getTextureValue(vTex, tpos);\n // right now leave filtering off until WebGL changes get merged\n // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n // {\n sumVal = sumVal + sample;\n // }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(sumVal, vNum, cNum);\n}\n\nfn composite(rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4) -> vec4\n{\n // initial ray position is at the beginning\n var rayPosSC: vec4 = minPosSC;\n\n // how many rows (tfuns) do we have in our tfunTexture\n var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n var curDist: f32 = 0.0;\n var computedColor: vec4 = vec4(0.0, 0.0, 0.0, 0.0);\n var sampleColor: vec4;\n//VTK::Volume::TraverseCalls\n\n loop\n {\n // for each volume, sample and accumulate color\n//VTK::Volume::CompositeCalls\n\n // increment position\n curDist = curDist + mapperUBO.SampleDistance;\n rayPosSC = rayPosSC + rayStepSC;\n\n // check if we have reached a terminating condition\n if (curDist > rayLengthSC) { break; }\n if (computedColor.a > 0.98) { break; }\n }\n return computedColor;\n}\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var rayMax: f32 = textureSampleLevel(maxTexture, clampSampler, input.tcoordVS, 0.0).r;\n var rayMin: f32 = textureSampleLevel(minTexture, clampSampler, input.tcoordVS, 0.0).r;\n\n // discard empty rays\n if (rayMax <= rayMin) { discard; }\n else\n {\n // compute start and end ray positions in view coordinates\n var minPosSC: vec4 = rendererUBO.PCSCMatrix*vec4(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMax, 1.0);\n minPosSC = minPosSC * (1.0 / minPosSC.w);\n var maxPosSC: vec4 = rendererUBO.PCSCMatrix*vec4(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMin, 1.0);\n maxPosSC = maxPosSC * (1.0 / maxPosSC.w);\n\n var rayLengthSC: f32 = distance(minPosSC.xyz, maxPosSC.xyz);\n var rayStepSC: vec4 = (maxPosSC - minPosSC)*(mapperUBO.SampleDistance/rayLengthSC);\n rayStepSC.w = 0.0;\n\n var computedColor: vec4;\n\n//VTK::Volume::Loop\n\n//VTK::RenderEncoder::Impl\n }\n\n return output;\n}\n",cv=new Float64Array(16),dv=new Float64Array(16);function pv(e,t){t.classHierarchy.push("vtkWebGPUVolumePassFSQ"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position");let o=r.getCode();o=Fl.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4(vertexBC, 1.0);"]).result,r.setCode(o),t.getShaderDescription("fragment").addBuiltinInput("vec4","@builtin(position) fragPos")},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderVolume=(e,n,r)=>{const o=n.getShaderDescription("fragment");let i=o.getCode();const a=[],s=[];for(let e=0;e(\n sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n (1.0 - computedColor.a)*sampleColor.a + computedColor.a);")):(s.push(` sampleColor = traverseVals[${e}];`),s.push(" computedColor = vec4(\n sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n (1.0 - computedColor.a)*sampleColor.a + computedColor.a);"));i=Fl.substitute(i,"//VTK::Volume::CompositeCalls",a).result,i=Fl.substitute(i,"//VTK::Volume::TraverseCalls",s).result,i=Fl.substitute(i,"//VTK::Volume::TraverseDec",[`var traverseVals: array,${t.volumes.length}>;`]).result;let l=!1;for(let e=0;e{let r=e.getMTime();for(let e=0;e{let r=Math.max(e.getMTime(),t.WebGPURenderer.getStabilizedTime());for(let e=0;e"),t.SSBO.addEntry("planeNormals","mat4x4"),t.SSBO.addEntry("shade","vec4"),t.SSBO.addEntry("tstep","vec4"),t.SSBO.addEntry("spacing","vec4"),t.SSBO.addEntry("ipScalarRange","vec4"),t.SSBO.setAllInstancesFromArray("SCTCMatrix",i),t.SSBO.setAllInstancesFromArray("planeNormals",a),t.SSBO.setAllInstancesFromArray("shade",l),t.SSBO.setAllInstancesFromArray("tstep",s),t.SSBO.setAllInstancesFromArray("spacing",u),t.SSBO.setAllInstancesFromArray("ipScalarRange",c),t.SSBO.send(n),t.componentSSBO.clearData(),t.componentSSBO.setNumberOfInstances(t.numRows);const d=new Float64Array(t.numRows),p=new Float64Array(t.numRows),g=new Float64Array(t.numRows),v=new Float64Array(t.numRows),_=new Float64Array(t.numRows),T=new Float64Array(t.numRows),S=new Float64Array(t.numRows),w=new Float64Array(t.numRows);let C=0;for(let e=0;e{n();let r=t.volumes[0].getRenderable().getMapper().getSampleDistance();for(let e=0;e{t.pipelineHash="volfsq";for(let e=0;e{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r{const e=r();return e.push(t.componentSSBO),e.push(t.clampSampler),e}}const fv={volumes:null,rowLength:1024,lastVolumeLength:0};function hv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,fv,n),du.extend(e,t,n),t.fragmentShaderTemplate=uv,t.UBO=ac.newInstance({label:"mapperUBO"}),t.UBO.addEntry("SampleDistance","f32"),t.SSBO=ec.newInstance({label:"volumeSSBO"}),t.componentSSBO=ec.newInstance({label:"componentSSBO"}),t.lutBuildTime={},gt.obj(t.lutBuildTime,{mtime:0}),pv(e,t)}var mv={newInstance:gt.newInstance(hv,"vtkWebGPUVolumePassFSQ"),extend:hv};const{Representation:gv}=wu,{BufferUsage:vv,PrimitiveTypes:yv}=qu,bv=[[0,4,6],[0,6,2],[1,3,7],[1,7,5],[0,5,4],[0,1,5],[2,6,7],[2,7,3],[0,3,1],[0,2,3],[4,5,7],[4,7,6]],xv="\n//VTK::Renderer::Dec\n\n//VTK::Select::Dec\n\n//VTK::VolumePass::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output : fragmentOutput;\n\n //VTK::Select::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::VolumePass::Impl\n\n // use the maximum (closest) of the current value and the zbuffer\n // the blend func will then take the min to find the farthest stop value\n var stopval: f32 = max(input.fragPos.z, textureLoad(opaquePassDepthTexture, vec2(i32(input.fragPos.x), i32(input.fragPos.y)), 0));\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n";function _v(e,t){t.classHierarchy.push("vtkWebGPUVolumePass"),e.initialize=n=>{t._clearEncoder||e.createClearEncoder(n),t._mergeEncoder||e.createMergeEncoder(n),t._copyEncoder||e.createCopyEncoder(n),t._depthRangeEncoder||e.createDepthRangeEncoder(n),t.fullScreenQuad||(t.fullScreenQuad=mv.newInstance(),t.fullScreenQuad.setDevice(n.getDevice()),t.fullScreenQuad.setTextureViews([...t._depthRangeEncoder.getColorTextureViews()])),t._volumeCopyQuad||(t._volumeCopyQuad=du.newInstance(),t._volumeCopyQuad.setPipelineHash("volpassfsq"),t._volumeCopyQuad.setDevice(n.getDevice()),t._volumeCopyQuad.setFragmentShaderTemplate("\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = textureSample(volumePassColorTexture,\n volumePassColorTextureSampler, mapperUBO.tscale*input.tcoordVS);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n"),t._copyUBO=ac.newInstance({label:"mapperUBO"}),t._copyUBO.addEntry("tscale","vec2"),t._volumeCopyQuad.setUBO(t._copyUBO),t._volumeCopyQuad.setTextureViews([t._colorTextureView]))},e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r,e.initialize(r),e.computeTiming(r),e.renderDepthBounds(n,r),t._firstGroup=!0;const o=r.getDevice(),i=o.getHandle().limits.maxSampledTexturesPerShaderStage-4;if(t.volumes.length>i){const o=n.getRenderable().getActiveCamera().getPosition(),a=[];for(let e=0;ea[t]-a[e]));let l=[],u=s.length%i;for(let o=0;o=u&&(e.rayCastPass(r,n,l),l=[],u=i,t._firstGroup=!1)}else e.rayCastPass(r,n,t.volumes);if(t._volumeCopyQuad.setWebGPURenderer(n),t._useSmallViewport){const e=t._colorTextureView.getTexture().getWidth(),n=t._colorTextureView.getTexture().getHeight();t._copyUBO.setArray("tscale",[t._smallViewportWidth/e,t._smallViewportHeight/n])}else t._copyUBO.setArray("tscale",[1,1]);t._copyUBO.sendIfNeeded(o),t._copyEncoder.setColorTextureView(0,t.colorTextureView),t._copyEncoder.attachTextureViews(),t._copyEncoder.begin(r.getCommandEncoder()),n.scissorAndViewport(t._copyEncoder),t._volumeCopyQuad.prepareAndDraw(t._copyEncoder),t._copyEncoder.end()},e.delete=gt.chain((()=>{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.computeTiming=e=>{const n=e.getRenderable().getInteractor();if(null==t._lastScale){const e=t.volumes[0].getRenderable().getMapper();t._lastScale=e.getInitialInteractionScale()||1}t._useSmallViewport=!1,n.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._colorTexture.resize(e.getCanvas().width,e.getCanvas().height),t._animationRateSubscription||(t._animationRateSubscription=n.onAnimationFrameRateUpdate((()=>{const e=t.volumes[0].getRenderable().getMapper();if(e.getAutoAdjustSampleDistances()){const e=n.getRecentAnimationFrameRate(),r=t._lastScale*n.getDesiredUpdateRate()/e;t._lastScale=r,t._lastScale>400&&(t._lastScale=400)}else t._lastScale=e.getImageSampleDistance()*e.getImageSampleDistance();t._lastScale<1.5&&(t._lastScale=1.5)})))},e.rayCastPass=(e,n,r)=>{const o=t._firstGroup?t._clearEncoder:t._mergeEncoder;o.attachTextureViews(),o.begin(e.getCommandEncoder());let i=t._colorTextureView.getTexture().getWidth(),a=t._colorTextureView.getTexture().getHeight();if(t._useSmallViewport){const n=e.getCanvas(),r=1/Math.sqrt(t._lastScale);t._smallViewportWidth=Math.ceil(r*n.width),t._smallViewportHeight=Math.ceil(r*n.height),i=t._smallViewportWidth,a=t._smallViewportHeight}o.getHandle().setViewport(0,0,i,a,0,1),o.getHandle().setScissorRect(0,0,i,a),t.fullScreenQuad.setWebGPURenderer(n),t.fullScreenQuad.setVolumes(r),t.fullScreenQuad.prepareAndDraw(o),o.end()},e.renderDepthBounds=(n,r)=>{e.updateDepthPolyData(n);const o=t._boundsPoly,i=o.getPoints(),a=o.getPolys();let s={hash:`vp${a.getMTime()}`,usage:vv.Index,cells:a,numberOfPoints:i.getNumberOfPoints(),primitiveType:yv.Triangles,representation:gv.SURFACE};const l=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().setIndexBuffer(l),s={usage:vv.PointArray,format:"float32x4",hash:`vp${i.getMTime()}${a.getMTime()}`,dataArray:i,indexBuffer:l,packExtra:!0};const u=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().addBuffer(u,["vertexBC"]),t._mapper.setNumberOfVertices(u.getSizeInBytes()/u.getStrideInBytes()),e.drawDepthRange(n,r)},e.updateDepthPolyData=e=>{let n=!1;for(let e=0;e{t._depthRangeTexture.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeTexture2.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeEncoder.attachTextureViews(),e.setCurrentOperation("volumeDepthRangePass"),n.setRenderEncoder(t._depthRangeEncoder),n.volumeDepthRangePass(!0),t._mapper.setWebGPURenderer(n),t._mapper.prepareToDraw(t._depthRangeEncoder),t._mapper.registerDrawCallback(t._depthRangeEncoder),n.volumeDepthRangePass(!1)},e.createDepthRangeEncoder=e=>{const n=e.getDevice();t._depthRangeEncoder=Ug.newInstance({label:"VolumePass DepthRange"}),t._depthRangeEncoder.setPipelineHash("volr"),t._depthRangeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor1"),t.addOutput("vec4","outColor2");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor1 = vec4(input.fragPos.z, 0.0, 0.0, 0.0);","output.outColor2 = vec4(stopval, 0.0, 0.0, 0.0);"]).result,t.setCode(n)})),t._depthRangeEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:null,clearValue:[1,1,1,1],loadOp:"clear",storeOp:"store"}]}),t._depthRangeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"max"},alpha:{srcfactor:"one",dstFactor:"one",operation:"max"}}},{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"min"},alpha:{srcfactor:"one",dstFactor:"one",operation:"min"}}}]}}),t._depthRangeTexture=ev.newInstance({label:"volumePassMaxDepth"}),t._depthRangeTexture.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const r=t._depthRangeTexture.createView("maxTexture");t._depthRangeEncoder.setColorTextureView(0,r),t._depthRangeTexture2=ev.newInstance({label:"volumePassDepthMin"}),t._depthRangeTexture2.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const o=t._depthRangeTexture2.createView("minTexture");t._depthRangeEncoder.setColorTextureView(1,o),t._mapper.setDevice(e.getDevice()),t._mapper.setTextureViews([t.depthTextureView])},e.createClearEncoder=e=>{t._colorTexture=ev.newInstance({label:"volumePassColor"}),t._colorTexture.create(e.getDevice(),{width:e.getCanvas().width,height:e.getCanvas().height,format:"bgra8unorm",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC}),t._colorTextureView=t._colorTexture.createView("volumePassColorTexture"),t._colorTextureView.addSampler(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._clearEncoder=Ug.newInstance({label:"VolumePass Clear"}),t._clearEncoder.setColorTextureView(0,t._colorTextureView),t._clearEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"}]}),t._clearEncoder.setPipelineHash("volpf"),t._clearEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createCopyEncoder=e=>{t._copyEncoder=Ug.newInstance({label:"volumePassCopy"}),t._copyEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._copyEncoder.setPipelineHash("volcopypf"),t._copyEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createMergeEncoder=e=>{t._mergeEncoder=Ug.newInstance({label:"volumePassMerge"}),t._mergeEncoder.setColorTextureView(0,t._colorTextureView),t._mergeEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._mergeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t._mergeEncoder.setPipelineHash("volpf"),t._mergeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.setVolumes=n=>{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Tv,n),Cm.extend(e,t,n),t._mapper=su.newInstance(),t._mapper.setFragmentShaderTemplate(xv),t._mapper.getShaderReplacements().set("replaceShaderVolumePass",((e,t,n)=>{t.getShaderDescription("fragment").addBuiltinInput("vec4","@builtin(position) fragPos")})),t._boundsPoly=ji.newInstance(),t._lastMTimes=[],gt.setGet(e,t,["colorTextureView","depthTextureView"]),_v(e,t)}var wv={newInstance:gt.newInstance(Sv,"vtkWebGPUVolumePass"),extend:Sv};function Cv(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e),t.opaquePass||(t.opaquePass=ov.newInstance());const o=n.getRenderable().getNumberOfLayers(),i=n.getChildren();for(let r=0;r0&&(t.translucentPass||(t.translucentPass=lv.newInstance()),t.translucentPass.setColorTextureView(t.opaquePass.getColorTextureView()),t.translucentPass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.translucentPass.traverse(a,n)),t.volumes.length>0&&(t.volumePass||(t.volumePass=wv.newInstance()),t.volumePass.setColorTextureView(t.opaquePass.getColorTextureView()),t.volumePass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.volumePass.setVolumes(t.volumes),t.volumePass.traverse(a,n)),e.finalPass(n,a))}},e.finalPass=(n,r)=>{t._finalBlitEncoder||e.createFinalBlitEncoder(n),t._finalBlitOutputTextureView.createFromTextureHandle(n.getCurrentTexture(),{depth:1,format:n.getPresentationFormat()}),t._finalBlitEncoder.attachTextureViews(),t._finalBlitEncoder.begin(n.getCommandEncoder()),r.scissorAndViewport(t._finalBlitEncoder),t._fullScreenQuad.prepareAndDraw(t._finalBlitEncoder),t._finalBlitEncoder.end()},e.createFinalBlitEncoder=e=>{t._finalBlitEncoder=Ug.newInstance({label:"forwardPassBlit"}),t._finalBlitEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._finalBlitEncoder.setPipelineHash("fpf"),t._finalBlitEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:e.getPresentationFormat(),blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}}),t._fsqSampler=vc.newInstance({label:"finalPassSampler"}),t._fsqSampler.create(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._fullScreenQuad=du.newInstance(),t._fullScreenQuad.setDevice(e.getDevice()),t._fullScreenQuad.setPipelineHash("fpfsq"),t._fullScreenQuad.setTextureViews([t.opaquePass.getColorTextureView()]),t._fullScreenQuad.setAdditionalBindables([t._fsqSampler]),t._fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = clamp(textureSampleLevel(opaquePassColorTexture, finalPassSampler, input.tcoordVS, 0),vec4(0.0),vec4(1.0));\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n"),t._finalBlitOutputTextureView=Wg.newInstance(),t._finalBlitEncoder.setColorTextureView(0,t._finalBlitOutputTextureView)},e.incrementOpaqueActorCount=()=>t.opaqueActorCount++,e.incrementTranslucentActorCount=()=>t.translucentActorCount++,e.addVolume=e=>{t.volumes.push(e)}}const Av={opaqueActorCount:0,translucentActorCount:0,volumes:null,opaqueRenderEncoder:null,translucentPass:null,volumePass:null};function Ev(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Av,n),Cm.extend(e,t,n),gt.setGet(e,t,["opaquePass","translucentPass","volumePass"]),Cv(e,t)}var Dv={newInstance:gt.newInstance(Ev,"vtkForwardPass"),extend:Ev};const{VtkDataTypes:Iv}=Wr;function Ov(e,t){function n(e){if(e.imageData){e.dataArray=e.imageData.getPointData().getScalars(),e.time=e.dataArray.getMTime(),e.nativeArray=e.dataArray.getData();const t=e.imageData.getDimensions();switch(e.width=t[0],e.height=t[1],e.depth=t[2],e.dataArray.getNumberOfComponents()){case 1:e.format="r";break;case 2:e.format="rg";break;default:e.format="rgba"}switch(e.dataArray.getDataType()){case Iv.UNSIGNED_CHAR:e.format+="8unorm";break;case Iv.FLOAT:case Iv.UNSIGNED_INT:case Iv.INT:case Iv.DOUBLE:case Iv.UNSIGNED_SHORT:case Iv.SHORT:default:e.format+="16float"}}e.image&&(e.width=e.image.width,e.height=e.image.height,e.depth=1,e.format="rgba8unorm"),e.jsImageData&&(e.width=e.jsImageData.width,e.height=e.jsImageData.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.nativeArray=e.jsImageData.data),e.canvas&&(e.width=e.canvas.width,e.height=e.canvas.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.usage=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.RENDER_ATTACHMENT)}function r(e){const n=ev.newInstance();return n.create(t.device,{width:e.width,height:e.height,depth:e.depth,format:e.format,usage:e.usage,mipLevel:e.mipLevel}),(e.nativeArray||e.image||e.canvas)&&n.writeImageData(e),n}t.classHierarchy.push("vtkWebGPUTextureManager"),e.getTexture=e=>e.hash?t.device.getCachedObject(e.hash,r,e):r(e),e.getTextureForImageData=e=>{const r={time:e.getMTime()};return r.imageData=e,n(r),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)},e.getTextureForVTKTexture=e=>{const r={time:e.getMTime()};return e.getInputData()?r.imageData=e.getInputData():e.getImage()?r.image=e.getImage():e.getJsImageData()?r.jsImageData=e.getJsImageData():e.getCanvas()&&(r.canvas=e.getCanvas()),n(r),r.mipLevel=e.getMipLevel(),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)}}const Pv={handle:null,device:null};function Nv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Pv,n),gt.obj(e,t),gt.setGet(e,t,["device"]),Ov(e,t)}var Mv={newInstance:gt.newInstance(Nv),extend:Nv};class Rv extends Map{constructor(){super(),this.registry=new FinalizationRegistry((e=>{const t=super.get(e);t&&t.deref&&void 0===t.deref()&&super.delete(e)}))}getValue(e){const t=super.get(e);if(t){const n=t.deref();if(void 0!==n)return n;super.delete(e)}}setValue(e,t){let n;return t&&"object"==typeof t&&(n=new WeakRef(t),this.registry.register(t,e),super.set(e,n)),n}}function Fv(e,t){t.classHierarchy.push("vtkWebGPUDevice"),e.initialize=e=>{t.handle=e},e.createCommandEncoder=()=>t.handle.createCommandEncoder(),e.submitCommandEncoder=e=>{t.handle.queue.submit([e.finish()])},e.getShaderModule=e=>t.shaderCache.getShaderModule(e),e.getBindGroupLayout=e=>{if(!e.entries)return null;for(let t=0;t{for(let n=0;ne in t.pipelines?t.pipelines[e]:null,e.createPipeline=(n,r)=>{r.initialize(e,n),t.pipelines[n]=r},e.onSubmittedWorkDone=()=>t.handle.queue.onSubmittedWorkDone(),e.hasCachedObject=e=>t.objectCache.getValue(e),e.getCachedObject=function(e,n){if(!e)return vtkErrorMacro("attempt to cache an object without a hash"),null;const r=t.objectCache.getValue(e);if(r)return r;for(var o=arguments.length,i=new Array(o>2?o-2:0),a=2;a2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,kv,n),je(e,t),$e(e,t,["handle"]),He(e,t,["bufferManager","shaderCache","textureManager"]),t.objectCache=new Rv,t.shaderCache=Fl.newInstance(),t.shaderCache.setDevice(e),t.bindGroupLayouts=[],t.bufferManager=qu.newInstance(),t.bufferManager.setDevice(e),t.textureManager=Mv.newInstance(),t.textureManager.setDevice(e),t.pipelines={},Fv(e,t)}var Bv={newInstance:rt(Lv,"vtkWebGPUDevice"),extend:Lv};function Vv(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelectionPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=null,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getDevice();if(t.selectionRenderEncoder)t.colorTexture.resize(n.getCanvas().width,n.getCanvas().height),t.depthTexture.resizeToMatch(t.colorTexture);else{e.createRenderEncoder(),t.colorTexture=ev.newInstance({label:"hardwareSelectorColor"}),t.colorTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"rgba32uint",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const r=t.colorTexture.createView("hardwareSelectColorTexture");t.selectionRenderEncoder.setColorTextureView(0,r),t.depthTexture=ev.newInstance({label:"hardwareSelectorDepth"}),t.depthTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"depth32float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const i=t.depthTexture.createView("hardwareSelectDepthTexture");t.selectionRenderEncoder.setDepthTextureView(i)}t.selectionRenderEncoder.attachTextureViews(),r.setRenderEncoder(t.selectionRenderEncoder),e.setCurrentOperation("cameraPass"),r.traverse(e),e.setCurrentOperation("opaquePass"),r.traverse(e)},e.createRenderEncoder=()=>{t.selectionRenderEncoder=Ug.newInstance({label:"HardwareSelectionPass"}),t.selectionRenderEncoder.setPipelineHash("sel"),t.selectionRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(mapperUBO.PropID, compositeID, 0u, 0u);"]).result,t.setCode(n)})),t.selectionRenderEncoder.getDescription().colorAttachments[0].clearValue=[0,0,0,0],t.selectionRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba32uint",blend:void 0}]}})}}const Uv={selectionRenderEncoder:null,colorTexture:null,depthTexture:null};function Gv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Uv,n),Cm.extend(e,t,n),gt.get(e,t,["colorTexture","depthTexture"]),Vv(e,t)}var zv={newInstance:gt.newInstance(Gv,"vtkWebGPUHardwareSelectionPass"),extend:Gv};const{SelectionContent:jv,SelectionField:Wv}=Hm,{FieldAssociations:Hv}=di,{vtkErrorMacro:Xv}=gt;function Kv(e){return`${e.propID} ${e.compositeID}`}function qv(e,t,n,r){const o=4*((n.height-t-1)*n.colorBufferWidth+e)+r;return n.colorValues[o]}function $v(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]<0||t[0]>=e.width||t[1]<0||t[1]>=e.height)return null;const n=qv(t[0],t[1],e,0);if(n<=0)return null;const o={};o.propID=n;let i=qv(t[0],t[1],e,1);if((i<0||i>16777215)&&(i=0),o.compositeID=i,e.captureZValues){const n=(e.height-t[1]-1)*e.zbufferBufferWidth+t[0];o.zValue=e.depthValues[n],o.zValue=e.webGPURenderer.convertToOpenGLDepth(o.zValue),o.displayPosition=t}return o}const i=[t[0],t[1]],a=[0,0];let s=$v(e,t,0,r);if(s)return s;for(let t=1;tt?i[1]-t:0;n<=i[1]+t;++n){if(a[1]=n,i[0]>=t&&(a[0]=i[0]-t,s=$v(e,a,0,r),s))return s;if(a[0]=i[0]+t,s=$v(e,a,0,r),s)return s}for(let n=i[0]>=t?i[0]-(t-1):0;n<=i[0]+(t-1);++n){if(a[0]=n,i[1]>=t&&(a[1]=i[1]-t,s=$v(e,a,0,r),s))return s;if(a[1]=i[1]+t,s=$v(e,a,0,r),s)return s}}return r[0]=t[0],r[1]=t[1],null}function Yv(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelector"),e.endSelection=()=>{t.WebGPURenderer.setSelector(null)},e.getSourceDataAsync=async e=>{if(!e||!t._WebGPURenderWindow)return Xv("Renderer and view must be set before calling Select."),!1;t._WebGPURenderWindow.getRenderable().preRender(),t._WebGPURenderWindow.getInitialized()||(t._WebGPURenderWindow.initialize(),await new Promise((e=>{t._WebGPURenderWindow.onInitialized(e)})));const n=t._WebGPURenderWindow.getViewNodeFor(e);if(!n)return!1;const r=n.getSuppressClear();n.setSuppressClear(!0),t._selectionPass.traverse(t._WebGPURenderWindow,n),n.setSuppressClear(r);const o=t._WebGPURenderWindow.getDevice(),i=t._selectionPass.getColorTexture(),a=t._selectionPass.getDepthTexture(),s={area:[0,0,i.getWidth()-1,i.getHeight()-1],captureZValues:t.captureZValues,fieldAssociation:t.fieldAssociation,renderer:e,webGPURenderer:n,webGPURenderWindow:t._WebGPURenderWindow,width:i.getWidth(),height:i.getHeight()};s.colorBufferWidth=16*Math.floor((s.width+15)/16),s.colorBufferSizeInBytes=s.colorBufferWidth*s.height*4*4;const l=vu.newInstance({label:"hardwareSelectColorBuffer"});l.setDevice(o),l.create(s.colorBufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST);const u=t._WebGPURenderWindow.getCommandEncoder();let c;u.copyTextureToBuffer({texture:i.getHandle()},{buffer:l.getHandle(),bytesPerRow:16*s.colorBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1}),t.captureZValues&&(s.zbufferBufferWidth=64*Math.floor((s.width+63)/64),c=vu.newInstance({label:"hardwareSelectDepthBuffer"}),c.setDevice(o),s.zbufferSizeInBytes=s.height*s.zbufferBufferWidth*4,c.create(s.zbufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST),u.copyTextureToBuffer({texture:a.getHandle(),aspect:"depth-only"},{buffer:c.getHandle(),bytesPerRow:4*s.zbufferBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1})),o.submitCommandEncoder(u);const d=l.mapAsync(GPUMapMode.READ);if(t.captureZValues){const e=c.mapAsync(GPUMapMode.READ);await Promise.all([d,e]),s.depthValues=new Float32Array(c.getMappedRange().slice()),c.unmap()}else await d;return s.colorValues=new Uint32Array(l.getMappedRange().slice()),l.unmap(),s.generateSelection=(e,t,n,r)=>function(e,t,n,r,o){const i=Math.floor(t),a=Math.floor(n),s=Math.floor(r),l=Math.floor(o),u=new Map,c=[0,0];for(let t=a;t<=l;t++)for(let n=i;n<=s;n++){const r=$v(e,[n,t],0,c);if(r){const t=Kv(r);if(u.has(t)){const n=u.get(t);n.pixelCount++,e.captureZValues&&r.zValue{const a=Hm.newInstance();switch(a.setContentType(jv.INDICES),e){case Hv.FIELD_ASSOCIATION_CELLS:a.setFieldType(Wv.CELL);break;case Hv.FIELD_ASSOCIATION_POINTS:a.setFieldType(Wv.POINT);break;default:Xv("Unknown field association")}a.getProperties().propID=t.info.propID;const s=n.webGPURenderer.getPropFromID(t.info.propID);a.getProperties().prop=s.getRenderable(),a.getProperties().compositeID=t.info.compositeID,a.getProperties().pixelCount=t.pixelCount,n.captureZValues&&(a.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],a.getProperties().worldPosition=n.webGPURenderWindow.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,n.renderer)),a.setSelectionList(t.attributeIDs),r[o]=a,o++})),r}(e.fieldAssociation,u,e)}(s,e,t,n,r),s}}const Jv={};function Qv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Jv,n),Gm.extend(e,t,n),t._selectionPass=zv.newInstance(),gt.setGet(e,t,["_WebGPURenderWindow"]),gt.moveToProtected(e,t,["WebGPURenderWindow"]),Yv(e,t)}var Zv={newInstance:gt.newInstance(Qv,"vtkWebGPUHardwareSelector"),extend:Qv};const{vtkErrorMacro:ey}=gt,ty={position:"absolute",top:0,left:0,width:"100%",height:"100%"};function ny(e,t){t.classHierarchy.push("vtkWebGPURenderWindow"),e.getViewNodeFactory=()=>t.myFactory;const n=[0,0];e.onModified((function(){t.renderable&&(t.size[0]===n[0]&&t.size[1]===n[1]||(n[0]=t.size[0],n[1]=t.size[1],t.canvas.setAttribute("width",t.size[0]),t.canvas.setAttribute("height",t.size[1]),e.recreateSwapChain())),t.viewStream&&t.viewStream.setSize(t.size[0],t.size[1]),t.canvas.style.display=t.useOffScreen?"none":"block",t.el&&(t.el.style.cursor=t.cursorVisibility?t.cursor:"none"),t.containerSize=null})),e.recreateSwapChain=()=>{t.context&&(t.context.unconfigure(),t.presentationFormat=navigator.gpu.getPreferredCanvasFormat(t.adapter),t.context.configure({device:t.device.getHandle(),format:t.presentationFormat,alphaMode:"premultiplied",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_DST,width:t.size[0],height:t.size[1]}),t._configured=!0)},e.getCurrentTexture=()=>t.context.getCurrentTexture(),e.buildPass=n=>{if(n){if(!t.renderable)return;e.prepareNodes(),e.addMissingNodes(t.renderable.getRenderersByReference()),e.removeUnusedNodes(),e.initialize()}else t.initialized&&(t._configured||e.recreateSwapChain(),t.commandEncoder=t.device.createCommandEncoder())},e.initialize=()=>{if(!t.initializing){if(t.initializing=!0,!navigator.gpu)return void ey("WebGPU is not enabled.");e.create3DContextAsync().then((()=>{t.initialized=!0,t.deleted||e.invokeInitialized()}))}},e.setContainer=n=>{t.el&&t.el!==n&&(t.canvas.parentNode!==t.el&&ey("Error: canvas parent node does not match container"),t.el.removeChild(t.canvas),t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)),t.el!==n&&(t.el=n,t.el&&(t.el.appendChild(t.canvas),t.useBackgroundImage&&t.el.appendChild(t.bgImage)),e.modified())},e.getContainer=()=>t.el,e.getContainerSize=()=>{if(!t.containerSize&&t.el){const{width:e,height:n}=t.el.getBoundingClientRect();t.containerSize=[e,n]}return t.containerSize||t.size},e.getFramebufferSize=()=>t.size,e.create3DContextAsync=async()=>{t.adapter=await navigator.gpu.requestAdapter({powerPreference:"high-performance"}),t.deleted||(t.device=Bv.newInstance(),t.device.initialize(await t.adapter.requestDevice()),t.deleted?t.device=null:t.context=t.canvas.getContext("webgpu"))},e.releaseGraphicsResources=()=>{const n=Cm.newInstance();n.setCurrentOperation("Release"),n.traverse(e,null),t.adapter=null,t.device=null,t.context=null,t.initialized=!1,t.initializing=!1},e.setBackgroundImage=e=>{t.bgImage.src=e.src},e.setUseBackgroundImage=e=>{t.useBackgroundImage=e,t.useBackgroundImage&&!t.el.contains(t.bgImage)?t.el.appendChild(t.bgImage):!t.useBackgroundImage&&t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)},e.captureNextImage=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"image/png",{resetCamera:r=!1,size:o=null,scale:i=1}=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(t.deleted)return null;t.imageFormat=n;const a=t.notifyStartCaptureImage;return t.notifyStartCaptureImage=!0,t._screenshot={size:o||1!==i?o||t.size.map((e=>e*i)):null},new Promise(((n,o)=>{const i=e.onImageReady((o=>{if(null===t._screenshot.size)t.notifyStartCaptureImage=a,i.unsubscribe(),t._screenshot.placeHolder&&(t.size=t._screenshot.originalSize,e.modified(),t._screenshot.cameras&&t._screenshot.cameras.forEach((e=>{let{restoreParamsFn:t,arg:n}=e;return t(n)})),e.traverseAllPasses(),t.el.removeChild(t._screenshot.placeHolder),t._screenshot.placeHolder.remove(),t._screenshot=null),n(o);else{const n=document.createElement("img");if(n.style=ty,n.src=o,t._screenshot.placeHolder=t.el.appendChild(n),t.canvas.style.display="none",t._screenshot.originalSize=t.size,t.size=t._screenshot.size,t._screenshot.size=null,e.modified(),r){const e=!0!==r;t._screenshot.cameras=t.renderable.getRenderers().map((t=>{const n=t.getActiveCamera(),o=n.get("focalPoint","position","parallelScale");return{resetCameraArgs:e?{renderer:t}:void 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n=document.querySelector("body");t.rootContainer||(t.rootContainer=n),t.container||(t.container=document.createElement("div"),ly(t.container,t.containerStyle||ay),t.rootContainer.appendChild(t.container)),t.rootContainer===n&&(document.documentElement.style.height="100%",n.style.height="100%",n.style.padding="0",n.style.margin="0"),t.renderWindow=Rf.newInstance(),t.renderer=Ef.newInstance(),t.renderWindow.addRenderer(t.renderer),t.apiSpecificRenderWindow=t.renderWindow.newAPISpecificView(iy.viewAPI??t.defaultViewAPI),t.apiSpecificRenderWindow.setContainer(t.container),t.renderWindow.addView(t.apiSpecificRenderWindow),t.interactor=Qf.newInstance(),t.interactor.setInteractorStyle(gh.newInstance()),t.interactor.setView(t.apiSpecificRenderWindow),t.interactor.initialize(),t.interactor.bindEvents(t.container),e.setBackground=t.renderer.setBackground,e.removeController=()=>{const 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r=n(2);t.ArrayExpression=function(e){this.type=r.Syntax.ArrayExpression,this.elements=e};t.ArrayPattern=function(e){this.type=r.Syntax.ArrayPattern,this.elements=e};t.ArrowFunctionExpression=function(e,t,n){this.type=r.Syntax.ArrowFunctionExpression,this.id=null,this.params=e,this.body=t,this.generator=!1,this.expression=n,this.async=!1};t.AssignmentExpression=function(e,t,n){this.type=r.Syntax.AssignmentExpression,this.operator=e,this.left=t,this.right=n};t.AssignmentPattern=function(e,t){this.type=r.Syntax.AssignmentPattern,this.left=e,this.right=t};t.AsyncArrowFunctionExpression=function(e,t,n){this.type=r.Syntax.ArrowFunctionExpression,this.id=null,this.params=e,this.body=t,this.generator=!1,this.expression=n,this.async=!0};t.AsyncFunctionDeclaration=function(e,t,n){this.type=r.Syntax.FunctionDeclaration,this.id=e,this.params=t,this.body=n,this.generator=!1,this.expression=!1,this.async=!0};t.AsyncFunctionExpression=function(e,t,n){this.type=r.Syntax.FunctionExpression,this.id=e,this.params=t,this.body=n,this.generator=!1,this.expression=!1,this.async=!0};t.AwaitExpression=function(e){this.type=r.Syntax.AwaitExpression,this.argument=e};t.BinaryExpression=function(e,t,n){var o="||"===e||"&&"===e;this.type=o?r.Syntax.LogicalExpression:r.Syntax.BinaryExpression,this.operator=e,this.left=t,this.right=n};t.BlockStatement=function(e){this.type=r.Syntax.BlockStatement,this.body=e};t.BreakStatement=function(e){this.type=r.Syntax.BreakStatement,this.label=e};t.CallExpression=function(e,t){this.type=r.Syntax.CallExpression,this.callee=e,this.arguments=t};t.CatchClause=function(e,t){this.type=r.Syntax.CatchClause,this.param=e,this.body=t};t.ClassBody=function(e){this.type=r.Syntax.ClassBody,this.body=e};t.ClassDeclaration=function(e,t,n){this.type=r.Syntax.ClassDeclaration,this.id=e,this.superClass=t,this.body=n};t.ClassExpression=function(e,t,n){this.type=r.Syntax.ClassExpression,this.id=e,this.superClass=t,this.body=n};t.ComputedMemberExpression=function(e,t){this.type=r.Syntax.MemberExpression,this.computed=!0,this.object=e,this.property=t};t.ConditionalExpression=function(e,t,n){this.type=r.Syntax.ConditionalExpression,this.test=e,this.consequent=t,this.alternate=n};t.ContinueStatement=function(e){this.type=r.Syntax.ContinueStatement,this.label=e};t.DebuggerStatement=function(){this.type=r.Syntax.DebuggerStatement};t.Directive=function(e,t){this.type=r.Syntax.ExpressionStatement,this.expression=e,this.directive=t};t.DoWhileStatement=function(e,t){this.type=r.Syntax.DoWhileStatement,this.body=e,this.test=t};t.EmptyStatement=function(){this.type=r.Syntax.EmptyStatement};t.ExportAllDeclaration=function(e){this.type=r.Syntax.ExportAllDeclaration,this.source=e};t.ExportDefaultDeclaration=function(e){this.type=r.Syntax.ExportDefaultDeclaration,this.declaration=e};t.ExportNamedDeclaration=function(e,t,n){this.type=r.Syntax.ExportNamedDeclaration,this.declaration=e,this.specifiers=t,this.source=n};t.ExportSpecifier=function(e,t){this.type=r.Syntax.ExportSpecifier,this.exported=t,this.local=e};t.ExpressionStatement=function(e){this.type=r.Syntax.ExpressionStatement,this.expression=e};t.ForInStatement=function(e,t,n){this.type=r.Syntax.ForInStatement,this.left=e,this.right=t,this.body=n,this.each=!1};t.ForOfStatement=function(e,t,n){this.type=r.Syntax.ForOfStatement,this.left=e,this.right=t,this.body=n};t.ForStatement=function(e,t,n,o){this.type=r.Syntax.ForStatement,this.init=e,this.test=t,this.update=n,this.body=o};t.FunctionDeclaration=function(e,t,n,o){this.type=r.Syntax.FunctionDeclaration,this.id=e,this.params=t,this.body=n,this.generator=o,this.expression=!1,this.async=!1};t.FunctionExpression=function(e,t,n,o){this.type=r.Syntax.FunctionExpression,this.id=e,this.params=t,this.body=n,this.generator=o,this.expression=!1,this.async=!1};t.Identifier=function(e){this.type=r.Syntax.Identifier,this.name=e};t.IfStatement=function(e,t,n){this.type=r.Syntax.IfStatement,this.test=e,this.consequent=t,this.alternate=n};t.ImportDeclaration=function(e,t){this.type=r.Syntax.ImportDeclaration,this.specifiers=e,this.source=t};t.ImportDefaultSpecifier=function(e){this.type=r.Syntax.ImportDefaultSpecifier,this.local=e};t.ImportNamespaceSpecifier=function(e){this.type=r.Syntax.ImportNamespaceSpecifier,this.local=e};t.ImportSpecifier=function(e,t){this.type=r.Syntax.ImportSpecifier,this.local=e,this.imported=t};t.LabeledStatement=function(e,t){this.type=r.Syntax.LabeledStatement,this.label=e,this.body=t};t.Literal=function(e,t){this.type=r.Syntax.Literal,this.value=e,this.raw=t};t.MetaProperty=function(e,t){this.type=r.Syntax.MetaProperty,this.meta=e,this.property=t};t.MethodDefinition=function(e,t,n,o,i){this.type=r.Syntax.MethodDefinition,this.key=e,this.computed=t,this.value=n,this.kind=o,this.static=i};t.Module=function(e){this.type=r.Syntax.Program,this.body=e,this.sourceType="module"};t.NewExpression=function(e,t){this.type=r.Syntax.NewExpression,this.callee=e,this.arguments=t};t.ObjectExpression=function(e){this.type=r.Syntax.ObjectExpression,this.properties=e};t.ObjectPattern=function(e){this.type=r.Syntax.ObjectPattern,this.properties=e};t.Property=function(e,t,n,o,i,a){this.type=r.Syntax.Property,this.key=t,this.computed=n,this.value=o,this.kind=e,this.method=i,this.shorthand=a};t.RegexLiteral=function(e,t,n,o){this.type=r.Syntax.Literal,this.value=e,this.raw=t,this.regex={pattern:n,flags:o}};t.RestElement=function(e){this.type=r.Syntax.RestElement,this.argument=e};t.ReturnStatement=function(e){this.type=r.Syntax.ReturnStatement,this.argument=e};t.Script=function(e){this.type=r.Syntax.Program,this.body=e,this.sourceType="script"};t.SequenceExpression=function(e){this.type=r.Syntax.SequenceExpression,this.expressions=e};t.SpreadElement=function(e){this.type=r.Syntax.SpreadElement,this.argument=e};t.StaticMemberExpression=function(e,t){this.type=r.Syntax.MemberExpression,this.computed=!1,this.object=e,this.property=t};t.Super=function(){this.type=r.Syntax.Super};t.SwitchCase=function(e,t){this.type=r.Syntax.SwitchCase,this.test=e,this.consequent=t};t.SwitchStatement=function(e,t){this.type=r.Syntax.SwitchStatement,this.discriminant=e,this.cases=t};t.TaggedTemplateExpression=function(e,t){this.type=r.Syntax.TaggedTemplateExpression,this.tag=e,this.quasi=t};t.TemplateElement=function(e,t){this.type=r.Syntax.TemplateElement,this.value=e,this.tail=t};t.TemplateLiteral=function(e,t){this.type=r.Syntax.TemplateLiteral,this.quasis=e,this.expressions=t};t.ThisExpression=function(){this.type=r.Syntax.ThisExpression};t.ThrowStatement=function(e){this.type=r.Syntax.ThrowStatement,this.argument=e};t.TryStatement=function(e,t,n){this.type=r.Syntax.TryStatement,this.block=e,this.handler=t,this.finalizer=n};t.UnaryExpression=function(e,t){this.type=r.Syntax.UnaryExpression,this.operator=e,this.argument=t,this.prefix=!0};t.UpdateExpression=function(e,t,n){this.type=r.Syntax.UpdateExpression,this.operator=e,this.argument=t,this.prefix=n};t.VariableDeclaration=function(e,t){this.type=r.Syntax.VariableDeclaration,this.declarations=e,this.kind=t};t.VariableDeclarator=function(e,t){this.type=r.Syntax.VariableDeclarator,this.id=e,this.init=t};t.WhileStatement=function(e,t){this.type=r.Syntax.WhileStatement,this.test=e,this.body=t};t.WithStatement=function(e,t){this.type=r.Syntax.WithStatement,this.object=e,this.body=t};t.YieldExpression=function(e,t){this.type=r.Syntax.YieldExpression,this.argument=e,this.delegate=t}},function(e,t,n){"use 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s.Scanner(e,this.errorHandler),this.scanner.trackComment=this.config.comment,this.operatorPrecedence={")":0,";":0,",":0,"=":0,"]":0,"||":1,"&&":2,"|":3,"^":4,"&":5,"==":6,"!=":6,"===":6,"!==":6,"<":7,">":7,"<=":7,">=":7,"<<":8,">>":8,">>>":8,"+":9,"-":9,"*":11,"/":11,"%":11},this.lookahead={type:2,value:"",lineNumber:this.scanner.lineNumber,lineStart:0,start:0,end:0},this.hasLineTerminator=!1,this.context={isModule:!1,await:!1,allowIn:!0,allowStrictDirective:!0,allowYield:!0,firstCoverInitializedNameError:null,isAssignmentTarget:!1,isBindingElement:!1,inFunctionBody:!1,inIteration:!1,inSwitch:!1,labelSet:{},strict:!1},this.tokens=[],this.startMarker={index:0,line:this.scanner.lineNumber,column:0},this.lastMarker={index:0,line:this.scanner.lineNumber,column:0},this.nextToken(),this.lastMarker={index:this.scanner.index,line:this.scanner.lineNumber,column:this.scanner.index-this.scanner.lineStart}}return e.prototype.throwError=function(e){for(var t=[],n=1;n0&&this.delegate)for(var t=0;t>="===e||">>>="===e||"&="===e||"^="===e||"|="===e},e.prototype.isolateCoverGrammar=function(e){var t=this.context.isBindingElement,n=this.context.isAssignmentTarget,r=this.context.firstCoverInitializedNameError;this.context.isBindingElement=!0,this.context.isAssignmentTarget=!0,this.context.firstCoverInitializedNameError=null;var o=e.call(this);return null!==this.context.firstCoverInitializedNameError&&this.throwUnexpectedToken(this.context.firstCoverInitializedNameError),this.context.isBindingElement=t,this.context.isAssignmentTarget=n,this.context.firstCoverInitializedNameError=r,o},e.prototype.inheritCoverGrammar=function(e){var t=this.context.isBindingElement,n=this.context.isAssignmentTarget,r=this.context.firstCoverInitializedNameError;this.context.isBindingElement=!0,this.context.isAssignmentTarget=!0,this.context.firstCoverInitializedNameError=null;var o=e.call(this);return this.context.isBindingElement=this.context.isBindingElement&&t,this.context.isAssignmentTarget=this.context.isAssignmentTarget&&n,this.context.firstCoverInitializedNameError=r||this.context.firstCoverInitializedNameError,o},e.prototype.consumeSemicolon=function(){this.match(";")?this.nextToken():this.hasLineTerminator||(2===this.lookahead.type||this.match("}")||this.throwUnexpectedToken(this.lookahead),this.lastMarker.index=this.startMarker.index,this.lastMarker.line=this.startMarker.line,this.lastMarker.column=this.startMarker.column)},e.prototype.parsePrimaryExpression=function(){var e,t,n,r=this.createNode();switch(this.lookahead.type){case 3:(this.context.isModule||this.context.await)&&"await"===this.lookahead.value&&this.tolerateUnexpectedToken(this.lookahead),e=this.matchAsyncFunction()?this.parseFunctionExpression():this.finalize(r,new a.Identifier(this.nextToken().value));break;case 6:case 8:this.context.strict&&this.lookahead.octal&&this.tolerateUnexpectedToken(this.lookahead,i.Messages.StrictOctalLiteral),this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,t=this.nextToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.Literal(t.value,n));break;case 1:this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,t=this.nextToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.Literal("true"===t.value,n));break;case 5:this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,t=this.nextToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.Literal(null,n));break;case 10:e=this.parseTemplateLiteral();break;case 7:switch(this.lookahead.value){case"(":this.context.isBindingElement=!1,e=this.inheritCoverGrammar(this.parseGroupExpression);break;case"[":e=this.inheritCoverGrammar(this.parseArrayInitializer);break;case"{":e=this.inheritCoverGrammar(this.parseObjectInitializer);break;case"/":case"/=":this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,this.scanner.index=this.startMarker.index,t=this.nextRegexToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.RegexLiteral(t.regex,n,t.pattern,t.flags));break;default:e=this.throwUnexpectedToken(this.nextToken())}break;case 4:!this.context.strict&&this.context.allowYield&&this.matchKeyword("yield")?e=this.parseIdentifierName():!this.context.strict&&this.matchKeyword("let")?e=this.finalize(r,new a.Identifier(this.nextToken().value)):(this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,this.matchKeyword("function")?e=this.parseFunctionExpression():this.matchKeyword("this")?(this.nextToken(),e=this.finalize(r,new a.ThisExpression)):e=this.matchKeyword("class")?this.parseClassExpression():this.throwUnexpectedToken(this.nextToken()));break;default:e=this.throwUnexpectedToken(this.nextToken())}return e},e.prototype.parseSpreadElement=function(){var e=this.createNode();this.expect("...");var t=this.inheritCoverGrammar(this.parseAssignmentExpression);return this.finalize(e,new a.SpreadElement(t))},e.prototype.parseArrayInitializer=function(){var e=this.createNode(),t=[];for(this.expect("[");!this.match("]");)if(this.match(","))this.nextToken(),t.push(null);else if(this.match("...")){var n=this.parseSpreadElement();this.match("]")||(this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,this.expect(",")),t.push(n)}else t.push(this.inheritCoverGrammar(this.parseAssignmentExpression)),this.match("]")||this.expect(",");return this.expect("]"),this.finalize(e,new a.ArrayExpression(t))},e.prototype.parsePropertyMethod=function(e){this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1;var t=this.context.strict,n=this.context.allowStrictDirective;this.context.allowStrictDirective=e.simple;var r=this.isolateCoverGrammar(this.parseFunctionSourceElements);return this.context.strict&&e.firstRestricted&&this.tolerateUnexpectedToken(e.firstRestricted,e.message),this.context.strict&&e.stricted&&this.tolerateUnexpectedToken(e.stricted,e.message),this.context.strict=t,this.context.allowStrictDirective=n,r},e.prototype.parsePropertyMethodFunction=function(){var e=this.createNode(),t=this.context.allowYield;this.context.allowYield=!0;var n=this.parseFormalParameters(),r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!1))},e.prototype.parsePropertyMethodAsyncFunction=function(){var e=this.createNode(),t=this.context.allowYield,n=this.context.await;this.context.allowYield=!1,this.context.await=!0;var r=this.parseFormalParameters(),o=this.parsePropertyMethod(r);return this.context.allowYield=t,this.context.await=n,this.finalize(e,new a.AsyncFunctionExpression(null,r.params,o))},e.prototype.parseObjectPropertyKey=function(){var e,t=this.createNode(),n=this.nextToken();switch(n.type){case 8:case 6:this.context.strict&&n.octal&&this.tolerateUnexpectedToken(n,i.Messages.StrictOctalLiteral);var r=this.getTokenRaw(n);e=this.finalize(t,new a.Literal(n.value,r));break;case 3:case 1:case 5:case 4:e=this.finalize(t,new a.Identifier(n.value));break;case 7:"["===n.value?(e=this.isolateCoverGrammar(this.parseAssignmentExpression),this.expect("]")):e=this.throwUnexpectedToken(n);break;default:e=this.throwUnexpectedToken(n)}return e},e.prototype.isPropertyKey=function(e,t){return e.type===l.Syntax.Identifier&&e.name===t||e.type===l.Syntax.Literal&&e.value===t},e.prototype.parseObjectProperty=function(e){var t,n=this.createNode(),r=this.lookahead,o=null,s=null,l=!1,u=!1,c=!1,d=!1;if(3===r.type){var p=r.value;this.nextToken(),l=this.match("["),o=(d=!(this.hasLineTerminator||"async"!==p||this.match(":")||this.match("(")||this.match("*")||this.match(",")))?this.parseObjectPropertyKey():this.finalize(n,new a.Identifier(p))}else this.match("*")?this.nextToken():(l=this.match("["),o=this.parseObjectPropertyKey());var f=this.qualifiedPropertyName(this.lookahead);if(3===r.type&&!d&&"get"===r.value&&f)t="get",l=this.match("["),o=this.parseObjectPropertyKey(),this.context.allowYield=!1,s=this.parseGetterMethod();else if(3===r.type&&!d&&"set"===r.value&&f)t="set",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseSetterMethod();else if(7===r.type&&"*"===r.value&&f)t="init",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseGeneratorMethod(),u=!0;else if(o||this.throwUnexpectedToken(this.lookahead),t="init",this.match(":")&&!d)!l&&this.isPropertyKey(o,"__proto__")&&(e.value&&this.tolerateError(i.Messages.DuplicateProtoProperty),e.value=!0),this.nextToken(),s=this.inheritCoverGrammar(this.parseAssignmentExpression);else if(this.match("("))s=d?this.parsePropertyMethodAsyncFunction():this.parsePropertyMethodFunction(),u=!0;else if(3===r.type)if(p=this.finalize(n,new a.Identifier(r.value)),this.match("=")){this.context.firstCoverInitializedNameError=this.lookahead,this.nextToken(),c=!0;var h=this.isolateCoverGrammar(this.parseAssignmentExpression);s=this.finalize(n,new a.AssignmentPattern(p,h))}else c=!0,s=p;else this.throwUnexpectedToken(this.nextToken());return this.finalize(n,new a.Property(t,o,l,s,u,c))},e.prototype.parseObjectInitializer=function(){var e=this.createNode();this.expect("{");for(var t=[],n={value:!1};!this.match("}");)t.push(this.parseObjectProperty(n)),this.match("}")||this.expectCommaSeparator();return this.expect("}"),this.finalize(e,new a.ObjectExpression(t))},e.prototype.parseTemplateHead=function(){r.assert(this.lookahead.head,"Template literal must start with a template head");var e=this.createNode(),t=this.nextToken(),n=t.value,o=t.cooked;return this.finalize(e,new a.TemplateElement({raw:n,cooked:o},t.tail))},e.prototype.parseTemplateElement=function(){10!==this.lookahead.type&&this.throwUnexpectedToken();var e=this.createNode(),t=this.nextToken(),n=t.value,r=t.cooked;return this.finalize(e,new a.TemplateElement({raw:n,cooked:r},t.tail))},e.prototype.parseTemplateLiteral=function(){var e=this.createNode(),t=[],n=[],r=this.parseTemplateHead();for(n.push(r);!r.tail;)t.push(this.parseExpression()),r=this.parseTemplateElement(),n.push(r);return this.finalize(e,new a.TemplateLiteral(n,t))},e.prototype.reinterpretExpressionAsPattern=function(e){switch(e.type){case l.Syntax.Identifier:case l.Syntax.MemberExpression:case l.Syntax.RestElement:case l.Syntax.AssignmentPattern:break;case l.Syntax.SpreadElement:e.type=l.Syntax.RestElement,this.reinterpretExpressionAsPattern(e.argument);break;case l.Syntax.ArrayExpression:e.type=l.Syntax.ArrayPattern;for(var t=0;t")||this.expect("=>"),e={type:"ArrowParameterPlaceHolder",params:[],async:!1};else{var t=this.lookahead,n=[];if(this.match("..."))e=this.parseRestElement(n),this.expect(")"),this.match("=>")||this.expect("=>"),e={type:"ArrowParameterPlaceHolder",params:[e],async:!1};else{var r=!1;if(this.context.isBindingElement=!0,e=this.inheritCoverGrammar(this.parseAssignmentExpression),this.match(",")){var o=[];for(this.context.isAssignmentTarget=!1,o.push(e);2!==this.lookahead.type&&this.match(",");){if(this.nextToken(),this.match(")")){this.nextToken();for(var i=0;i")||this.expect("=>"),this.context.isBindingElement=!1,i=0;i")&&(e.type===l.Syntax.Identifier&&"yield"===e.name&&(r=!0,e={type:"ArrowParameterPlaceHolder",params:[e],async:!1}),!r)){if(this.context.isBindingElement||this.throwUnexpectedToken(this.lookahead),e.type===l.Syntax.SequenceExpression)for(i=0;i")){for(var l=0;l0){this.nextToken(),this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1;for(var o=[e,this.lookahead],i=t,s=this.isolateCoverGrammar(this.parseExponentiationExpression),l=[i,n.value,s],u=[r];!((r=this.binaryPrecedence(this.lookahead))<=0);){for(;l.length>2&&r<=u[u.length-1];){s=l.pop();var c=l.pop();u.pop(),i=l.pop(),o.pop();var d=this.startNode(o[o.length-1]);l.push(this.finalize(d,new a.BinaryExpression(c,i,s)))}l.push(this.nextToken().value),u.push(r),o.push(this.lookahead),l.push(this.isolateCoverGrammar(this.parseExponentiationExpression))}var p=l.length-1;t=l[p];for(var f=o.pop();p>1;){var h=o.pop(),m=f&&f.lineStart;d=this.startNode(h,m),c=l[p-1],t=this.finalize(d,new a.BinaryExpression(c,l[p-2],t)),p-=2,f=h}}return t},e.prototype.parseConditionalExpression=function(){var e=this.lookahead,t=this.inheritCoverGrammar(this.parseBinaryExpression);if(this.match("?")){this.nextToken();var n=this.context.allowIn;this.context.allowIn=!0;var r=this.isolateCoverGrammar(this.parseAssignmentExpression);this.context.allowIn=n,this.expect(":");var o=this.isolateCoverGrammar(this.parseAssignmentExpression);t=this.finalize(this.startNode(e),new a.ConditionalExpression(t,r,o)),this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1}return t},e.prototype.checkPatternParam=function(e,t){switch(t.type){case l.Syntax.Identifier:this.validateParam(e,t,t.name);break;case l.Syntax.RestElement:this.checkPatternParam(e,t.argument);break;case l.Syntax.AssignmentPattern:this.checkPatternParam(e,t.left);break;case l.Syntax.ArrayPattern:for(var n=0;n")){this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1;var o=e.async,s=this.reinterpretAsCoverFormalsList(e);if(s){this.hasLineTerminator&&this.tolerateUnexpectedToken(this.lookahead),this.context.firstCoverInitializedNameError=null;var u=this.context.strict,c=this.context.allowStrictDirective;this.context.allowStrictDirective=s.simple;var d=this.context.allowYield,p=this.context.await;this.context.allowYield=!0,this.context.await=o;var f=this.startNode(t);this.expect("=>");var h=void 0;if(this.match("{")){var m=this.context.allowIn;this.context.allowIn=!0,h=this.parseFunctionSourceElements(),this.context.allowIn=m}else h=this.isolateCoverGrammar(this.parseAssignmentExpression);var g=h.type!==l.Syntax.BlockStatement;this.context.strict&&s.firstRestricted&&this.throwUnexpectedToken(s.firstRestricted,s.message),this.context.strict&&s.stricted&&this.tolerateUnexpectedToken(s.stricted,s.message),e=o?this.finalize(f,new a.AsyncArrowFunctionExpression(s.params,h,g)):this.finalize(f,new a.ArrowFunctionExpression(s.params,h,g)),this.context.strict=u,this.context.allowStrictDirective=c,this.context.allowYield=d,this.context.await=p}}else if(this.matchAssign()){if(this.context.isAssignmentTarget||this.tolerateError(i.Messages.InvalidLHSInAssignment),this.context.strict&&e.type===l.Syntax.Identifier){var v=e;this.scanner.isRestrictedWord(v.name)&&this.tolerateUnexpectedToken(n,i.Messages.StrictLHSAssignment),this.scanner.isStrictModeReservedWord(v.name)&&this.tolerateUnexpectedToken(n,i.Messages.StrictReservedWord)}this.match("=")?this.reinterpretExpressionAsPattern(e):(this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1);var y=(n=this.nextToken()).value,b=this.isolateCoverGrammar(this.parseAssignmentExpression);e=this.finalize(this.startNode(t),new a.AssignmentExpression(y,e,b)),this.context.firstCoverInitializedNameError=null}}return e},e.prototype.parseExpression=function(){var e=this.lookahead,t=this.isolateCoverGrammar(this.parseAssignmentExpression);if(this.match(",")){var n=[];for(n.push(t);2!==this.lookahead.type&&this.match(",");)this.nextToken(),n.push(this.isolateCoverGrammar(this.parseAssignmentExpression));t=this.finalize(this.startNode(e),new a.SequenceExpression(n))}return t},e.prototype.parseStatementListItem=function(){var e;if(this.context.isAssignmentTarget=!0,this.context.isBindingElement=!0,4===this.lookahead.type)switch(this.lookahead.value){case"export":this.context.isModule||this.tolerateUnexpectedToken(this.lookahead,i.Messages.IllegalExportDeclaration),e=this.parseExportDeclaration();break;case"import":this.context.isModule||this.tolerateUnexpectedToken(this.lookahead,i.Messages.IllegalImportDeclaration),e=this.parseImportDeclaration();break;case"const":e=this.parseLexicalDeclaration({inFor:!1});break;case"function":e=this.parseFunctionDeclaration();break;case"class":e=this.parseClassDeclaration();break;case"let":e=this.isLexicalDeclaration()?this.parseLexicalDeclaration({inFor:!1}):this.parseStatement();break;default:e=this.parseStatement()}else e=this.parseStatement();return e},e.prototype.parseBlock=function(){var e=this.createNode();this.expect("{");for(var t=[];!this.match("}");)t.push(this.parseStatementListItem());return this.expect("}"),this.finalize(e,new a.BlockStatement(t))},e.prototype.parseLexicalBinding=function(e,t){var n=this.createNode(),r=this.parsePattern([],e);this.context.strict&&r.type===l.Syntax.Identifier&&this.scanner.isRestrictedWord(r.name)&&this.tolerateError(i.Messages.StrictVarName);var o=null;return"const"===e?this.matchKeyword("in")||this.matchContextualKeyword("of")||(this.match("=")?(this.nextToken(),o=this.isolateCoverGrammar(this.parseAssignmentExpression)):this.throwError(i.Messages.DeclarationMissingInitializer,"const")):(!t.inFor&&r.type!==l.Syntax.Identifier||this.match("="))&&(this.expect("="),o=this.isolateCoverGrammar(this.parseAssignmentExpression)),this.finalize(n,new a.VariableDeclarator(r,o))},e.prototype.parseBindingList=function(e,t){for(var n=[this.parseLexicalBinding(e,t)];this.match(",");)this.nextToken(),n.push(this.parseLexicalBinding(e,t));return n},e.prototype.isLexicalDeclaration=function(){var e=this.scanner.saveState();this.scanner.scanComments();var t=this.scanner.lex();return this.scanner.restoreState(e),3===t.type||7===t.type&&"["===t.value||7===t.type&&"{"===t.value||4===t.type&&"let"===t.value||4===t.type&&"yield"===t.value},e.prototype.parseLexicalDeclaration=function(e){var t=this.createNode(),n=this.nextToken().value;r.assert("let"===n||"const"===n,"Lexical declaration must be either let or const");var o=this.parseBindingList(n,e);return this.consumeSemicolon(),this.finalize(t,new a.VariableDeclaration(o,n))},e.prototype.parseBindingRestElement=function(e,t){var n=this.createNode();this.expect("...");var r=this.parsePattern(e,t);return this.finalize(n,new a.RestElement(r))},e.prototype.parseArrayPattern=function(e,t){var n=this.createNode();this.expect("[");for(var r=[];!this.match("]");)if(this.match(","))this.nextToken(),r.push(null);else{if(this.match("...")){r.push(this.parseBindingRestElement(e,t));break}r.push(this.parsePatternWithDefault(e,t)),this.match("]")||this.expect(",")}return this.expect("]"),this.finalize(n,new a.ArrayPattern(r))},e.prototype.parsePropertyPattern=function(e,t){var n,r,o=this.createNode(),i=!1,s=!1;if(3===this.lookahead.type){var l=this.lookahead;n=this.parseVariableIdentifier();var u=this.finalize(o,new a.Identifier(l.value));if(this.match("=")){e.push(l),s=!0,this.nextToken();var c=this.parseAssignmentExpression();r=this.finalize(this.startNode(l),new a.AssignmentPattern(u,c))}else this.match(":")?(this.expect(":"),r=this.parsePatternWithDefault(e,t)):(e.push(l),s=!0,r=u)}else i=this.match("["),n=this.parseObjectPropertyKey(),this.expect(":"),r=this.parsePatternWithDefault(e,t);return this.finalize(o,new a.Property("init",n,i,r,!1,s))},e.prototype.parseObjectPattern=function(e,t){var n=this.createNode(),r=[];for(this.expect("{");!this.match("}");)r.push(this.parsePropertyPattern(e,t)),this.match("}")||this.expect(",");return this.expect("}"),this.finalize(n,new a.ObjectPattern(r))},e.prototype.parsePattern=function(e,t){var n;return this.match("[")?n=this.parseArrayPattern(e,t):this.match("{")?n=this.parseObjectPattern(e,t):(!this.matchKeyword("let")||"const"!==t&&"let"!==t||this.tolerateUnexpectedToken(this.lookahead,i.Messages.LetInLexicalBinding),e.push(this.lookahead),n=this.parseVariableIdentifier(t)),n},e.prototype.parsePatternWithDefault=function(e,t){var n=this.lookahead,r=this.parsePattern(e,t);if(this.match("=")){this.nextToken();var o=this.context.allowYield;this.context.allowYield=!0;var i=this.isolateCoverGrammar(this.parseAssignmentExpression);this.context.allowYield=o,r=this.finalize(this.startNode(n),new a.AssignmentPattern(r,i))}return r},e.prototype.parseVariableIdentifier=function(e){var t=this.createNode(),n=this.nextToken();return 4===n.type&&"yield"===n.value?this.context.strict?this.tolerateUnexpectedToken(n,i.Messages.StrictReservedWord):this.context.allowYield||this.throwUnexpectedToken(n):3!==n.type?this.context.strict&&4===n.type&&this.scanner.isStrictModeReservedWord(n.value)?this.tolerateUnexpectedToken(n,i.Messages.StrictReservedWord):(this.context.strict||"let"!==n.value||"var"!==e)&&this.throwUnexpectedToken(n):(this.context.isModule||this.context.await)&&3===n.type&&"await"===n.value&&this.tolerateUnexpectedToken(n),this.finalize(t,new a.Identifier(n.value))},e.prototype.parseVariableDeclaration=function(e){var t=this.createNode(),n=this.parsePattern([],"var");this.context.strict&&n.type===l.Syntax.Identifier&&this.scanner.isRestrictedWord(n.name)&&this.tolerateError(i.Messages.StrictVarName);var r=null;return this.match("=")?(this.nextToken(),r=this.isolateCoverGrammar(this.parseAssignmentExpression)):n.type===l.Syntax.Identifier||e.inFor||this.expect("="),this.finalize(t,new a.VariableDeclarator(n,r))},e.prototype.parseVariableDeclarationList=function(e){var t={inFor:e.inFor},n=[];for(n.push(this.parseVariableDeclaration(t));this.match(",");)this.nextToken(),n.push(this.parseVariableDeclaration(t));return n},e.prototype.parseVariableStatement=function(){var e=this.createNode();this.expectKeyword("var");var t=this.parseVariableDeclarationList({inFor:!1});return this.consumeSemicolon(),this.finalize(e,new a.VariableDeclaration(t,"var"))},e.prototype.parseEmptyStatement=function(){var e=this.createNode();return this.expect(";"),this.finalize(e,new a.EmptyStatement)},e.prototype.parseExpressionStatement=function(){var e=this.createNode(),t=this.parseExpression();return this.consumeSemicolon(),this.finalize(e,new a.ExpressionStatement(t))},e.prototype.parseIfClause=function(){return this.context.strict&&this.matchKeyword("function")&&this.tolerateError(i.Messages.StrictFunction),this.parseStatement()},e.prototype.parseIfStatement=function(){var e,t=this.createNode(),n=null;this.expectKeyword("if"),this.expect("(");var r=this.parseExpression();return!this.match(")")&&this.config.tolerant?(this.tolerateUnexpectedToken(this.nextToken()),e=this.finalize(this.createNode(),new a.EmptyStatement)):(this.expect(")"),e=this.parseIfClause(),this.matchKeyword("else")&&(this.nextToken(),n=this.parseIfClause())),this.finalize(t,new a.IfStatement(r,e,n))},e.prototype.parseDoWhileStatement=function(){var e=this.createNode();this.expectKeyword("do");var t=this.context.inIteration;this.context.inIteration=!0;var n=this.parseStatement();this.context.inIteration=t,this.expectKeyword("while"),this.expect("(");var r=this.parseExpression();return!this.match(")")&&this.config.tolerant?this.tolerateUnexpectedToken(this.nextToken()):(this.expect(")"),this.match(";")&&this.nextToken()),this.finalize(e,new a.DoWhileStatement(n,r))},e.prototype.parseWhileStatement=function(){var e,t=this.createNode();this.expectKeyword("while"),this.expect("(");var n=this.parseExpression();if(!this.match(")")&&this.config.tolerant)this.tolerateUnexpectedToken(this.nextToken()),e=this.finalize(this.createNode(),new a.EmptyStatement);else{this.expect(")");var r=this.context.inIteration;this.context.inIteration=!0,e=this.parseStatement(),this.context.inIteration=r}return this.finalize(t,new a.WhileStatement(n,e))},e.prototype.parseForStatement=function(){var e,t,n,r=null,o=null,s=null,u=!0,c=this.createNode();if(this.expectKeyword("for"),this.expect("("),this.match(";"))this.nextToken();else if(this.matchKeyword("var")){r=this.createNode(),this.nextToken();var d=this.context.allowIn;this.context.allowIn=!1;var p=this.parseVariableDeclarationList({inFor:!0});if(this.context.allowIn=d,1===p.length&&this.matchKeyword("in")){var f=p[0];f.init&&(f.id.type===l.Syntax.ArrayPattern||f.id.type===l.Syntax.ObjectPattern||this.context.strict)&&this.tolerateError(i.Messages.ForInOfLoopInitializer,"for-in"),r=this.finalize(r,new a.VariableDeclaration(p,"var")),this.nextToken(),e=r,t=this.parseExpression(),r=null}else 1===p.length&&null===p[0].init&&this.matchContextualKeyword("of")?(r=this.finalize(r,new a.VariableDeclaration(p,"var")),this.nextToken(),e=r,t=this.parseAssignmentExpression(),r=null,u=!1):(r=this.finalize(r,new a.VariableDeclaration(p,"var")),this.expect(";"))}else if(this.matchKeyword("const")||this.matchKeyword("let")){r=this.createNode();var h=this.nextToken().value;this.context.strict||"in"!==this.lookahead.value?(d=this.context.allowIn,this.context.allowIn=!1,p=this.parseBindingList(h,{inFor:!0}),this.context.allowIn=d,1===p.length&&null===p[0].init&&this.matchKeyword("in")?(r=this.finalize(r,new a.VariableDeclaration(p,h)),this.nextToken(),e=r,t=this.parseExpression(),r=null):1===p.length&&null===p[0].init&&this.matchContextualKeyword("of")?(r=this.finalize(r,new a.VariableDeclaration(p,h)),this.nextToken(),e=r,t=this.parseAssignmentExpression(),r=null,u=!1):(this.consumeSemicolon(),r=this.finalize(r,new a.VariableDeclaration(p,h)))):(r=this.finalize(r,new a.Identifier(h)),this.nextToken(),e=r,t=this.parseExpression(),r=null)}else{var m=this.lookahead;if(d=this.context.allowIn,this.context.allowIn=!1,r=this.inheritCoverGrammar(this.parseAssignmentExpression),this.context.allowIn=d,this.matchKeyword("in"))this.context.isAssignmentTarget&&r.type!==l.Syntax.AssignmentExpression||this.tolerateError(i.Messages.InvalidLHSInForIn),this.nextToken(),this.reinterpretExpressionAsPattern(r),e=r,t=this.parseExpression(),r=null;else if(this.matchContextualKeyword("of"))this.context.isAssignmentTarget&&r.type!==l.Syntax.AssignmentExpression||this.tolerateError(i.Messages.InvalidLHSInForLoop),this.nextToken(),this.reinterpretExpressionAsPattern(r),e=r,t=this.parseAssignmentExpression(),r=null,u=!1;else{if(this.match(",")){for(var g=[r];this.match(",");)this.nextToken(),g.push(this.isolateCoverGrammar(this.parseAssignmentExpression));r=this.finalize(this.startNode(m),new a.SequenceExpression(g))}this.expect(";")}}if(void 0===e&&(this.match(";")||(o=this.parseExpression()),this.expect(";"),this.match(")")||(s=this.parseExpression())),!this.match(")")&&this.config.tolerant)this.tolerateUnexpectedToken(this.nextToken()),n=this.finalize(this.createNode(),new a.EmptyStatement);else{this.expect(")");var v=this.context.inIteration;this.context.inIteration=!0,n=this.isolateCoverGrammar(this.parseStatement),this.context.inIteration=v}return void 0===e?this.finalize(c,new a.ForStatement(r,o,s,n)):u?this.finalize(c,new a.ForInStatement(e,t,n)):this.finalize(c,new a.ForOfStatement(e,t,n))},e.prototype.parseContinueStatement=function(){var e=this.createNode();this.expectKeyword("continue");var t=null;if(3===this.lookahead.type&&!this.hasLineTerminator){var n=this.parseVariableIdentifier();t=n;var r="$"+n.name;Object.prototype.hasOwnProperty.call(this.context.labelSet,r)||this.throwError(i.Messages.UnknownLabel,n.name)}return this.consumeSemicolon(),null!==t||this.context.inIteration||this.throwError(i.Messages.IllegalContinue),this.finalize(e,new a.ContinueStatement(t))},e.prototype.parseBreakStatement=function(){var e=this.createNode();this.expectKeyword("break");var t=null;if(3===this.lookahead.type&&!this.hasLineTerminator){var n=this.parseVariableIdentifier(),r="$"+n.name;Object.prototype.hasOwnProperty.call(this.context.labelSet,r)||this.throwError(i.Messages.UnknownLabel,n.name),t=n}return this.consumeSemicolon(),null!==t||this.context.inIteration||this.context.inSwitch||this.throwError(i.Messages.IllegalBreak),this.finalize(e,new a.BreakStatement(t))},e.prototype.parseReturnStatement=function(){this.context.inFunctionBody||this.tolerateError(i.Messages.IllegalReturn);var e=this.createNode();this.expectKeyword("return");var t=(this.match(";")||this.match("}")||this.hasLineTerminator||2===this.lookahead.type)&&8!==this.lookahead.type&&10!==this.lookahead.type?null:this.parseExpression();return this.consumeSemicolon(),this.finalize(e,new a.ReturnStatement(t))},e.prototype.parseWithStatement=function(){this.context.strict&&this.tolerateError(i.Messages.StrictModeWith);var e,t=this.createNode();this.expectKeyword("with"),this.expect("(");var n=this.parseExpression();return!this.match(")")&&this.config.tolerant?(this.tolerateUnexpectedToken(this.nextToken()),e=this.finalize(this.createNode(),new a.EmptyStatement)):(this.expect(")"),e=this.parseStatement()),this.finalize(t,new a.WithStatement(n,e))},e.prototype.parseSwitchCase=function(){var e,t=this.createNode();this.matchKeyword("default")?(this.nextToken(),e=null):(this.expectKeyword("case"),e=this.parseExpression()),this.expect(":");for(var n=[];!(this.match("}")||this.matchKeyword("default")||this.matchKeyword("case"));)n.push(this.parseStatementListItem());return this.finalize(t,new a.SwitchCase(e,n))},e.prototype.parseSwitchStatement=function(){var e=this.createNode();this.expectKeyword("switch"),this.expect("(");var t=this.parseExpression();this.expect(")");var n=this.context.inSwitch;this.context.inSwitch=!0;var r=[],o=!1;for(this.expect("{");!this.match("}");){var s=this.parseSwitchCase();null===s.test&&(o&&this.throwError(i.Messages.MultipleDefaultsInSwitch),o=!0),r.push(s)}return this.expect("}"),this.context.inSwitch=n,this.finalize(e,new a.SwitchStatement(t,r))},e.prototype.parseLabelledStatement=function(){var e,t=this.createNode(),n=this.parseExpression();if(n.type===l.Syntax.Identifier&&this.match(":")){this.nextToken();var r=n,o="$"+r.name;Object.prototype.hasOwnProperty.call(this.context.labelSet,o)&&this.throwError(i.Messages.Redeclaration,"Label",r.name),this.context.labelSet[o]=!0;var s=void 0;if(this.matchKeyword("class"))this.tolerateUnexpectedToken(this.lookahead),s=this.parseClassDeclaration();else if(this.matchKeyword("function")){var u=this.lookahead,c=this.parseFunctionDeclaration();this.context.strict?this.tolerateUnexpectedToken(u,i.Messages.StrictFunction):c.generator&&this.tolerateUnexpectedToken(u,i.Messages.GeneratorInLegacyContext),s=c}else s=this.parseStatement();delete this.context.labelSet[o],e=new a.LabeledStatement(r,s)}else this.consumeSemicolon(),e=new a.ExpressionStatement(n);return this.finalize(t,e)},e.prototype.parseThrowStatement=function(){var e=this.createNode();this.expectKeyword("throw"),this.hasLineTerminator&&this.throwError(i.Messages.NewlineAfterThrow);var t=this.parseExpression();return this.consumeSemicolon(),this.finalize(e,new a.ThrowStatement(t))},e.prototype.parseCatchClause=function(){var e=this.createNode();this.expectKeyword("catch"),this.expect("("),this.match(")")&&this.throwUnexpectedToken(this.lookahead);for(var t=[],n=this.parsePattern(t),r={},o=0;o0&&this.tolerateError(i.Messages.BadGetterArity);var r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!1))},e.prototype.parseSetterMethod=function(){var e=this.createNode(),t=this.context.allowYield;this.context.allowYield=!0;var n=this.parseFormalParameters();1!==n.params.length?this.tolerateError(i.Messages.BadSetterArity):n.params[0]instanceof a.RestElement&&this.tolerateError(i.Messages.BadSetterRestParameter);var r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!1))},e.prototype.parseGeneratorMethod=function(){var e=this.createNode(),t=this.context.allowYield;this.context.allowYield=!0;var n=this.parseFormalParameters();this.context.allowYield=!1;var r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!0))},e.prototype.isStartOfExpression=function(){var e=!0,t=this.lookahead.value;switch(this.lookahead.type){case 7:e="["===t||"("===t||"{"===t||"+"===t||"-"===t||"!"===t||"~"===t||"++"===t||"--"===t||"/"===t||"/="===t;break;case 4:e="class"===t||"delete"===t||"function"===t||"let"===t||"new"===t||"super"===t||"this"===t||"typeof"===t||"void"===t||"yield"===t}return e},e.prototype.parseYieldExpression=function(){var e=this.createNode();this.expectKeyword("yield");var t=null,n=!1;if(!this.hasLineTerminator){var r=this.context.allowYield;this.context.allowYield=!1,(n=this.match("*"))?(this.nextToken(),t=this.parseAssignmentExpression()):this.isStartOfExpression()&&(t=this.parseAssignmentExpression()),this.context.allowYield=r}return this.finalize(e,new a.YieldExpression(t,n))},e.prototype.parseClassElement=function(e){var t=this.lookahead,n=this.createNode(),r="",o=null,s=null,l=!1,u=!1,c=!1,d=!1;if(this.match("*"))this.nextToken();else if(l=this.match("["),"static"===(o=this.parseObjectPropertyKey()).name&&(this.qualifiedPropertyName(this.lookahead)||this.match("*"))&&(t=this.lookahead,c=!0,l=this.match("["),this.match("*")?this.nextToken():o=this.parseObjectPropertyKey()),3===t.type&&!this.hasLineTerminator&&"async"===t.value){var p=this.lookahead.value;":"!==p&&"("!==p&&"*"!==p&&(d=!0,t=this.lookahead,o=this.parseObjectPropertyKey(),3===t.type&&"constructor"===t.value&&this.tolerateUnexpectedToken(t,i.Messages.ConstructorIsAsync))}var f=this.qualifiedPropertyName(this.lookahead);return 3===t.type?"get"===t.value&&f?(r="get",l=this.match("["),o=this.parseObjectPropertyKey(),this.context.allowYield=!1,s=this.parseGetterMethod()):"set"===t.value&&f&&(r="set",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseSetterMethod()):7===t.type&&"*"===t.value&&f&&(r="init",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseGeneratorMethod(),u=!0),!r&&o&&this.match("(")&&(r="init",s=d?this.parsePropertyMethodAsyncFunction():this.parsePropertyMethodFunction(),u=!0),r||this.throwUnexpectedToken(this.lookahead),"init"===r&&(r="method"),l||(c&&this.isPropertyKey(o,"prototype")&&this.throwUnexpectedToken(t,i.Messages.StaticPrototype),!c&&this.isPropertyKey(o,"constructor")&&(("method"!==r||!u||s&&s.generator)&&this.throwUnexpectedToken(t,i.Messages.ConstructorSpecialMethod),e.value?this.throwUnexpectedToken(t,i.Messages.DuplicateConstructor):e.value=!0,r="constructor")),this.finalize(n,new 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t="0"!==e,n=s(e);return!this.eof()&&o.Character.isOctalDigit(this.source.charCodeAt(this.index))&&(t=!0,n=8*n+s(this.source[this.index++]),"0123".indexOf(e)>=0&&!this.eof()&&o.Character.isOctalDigit(this.source.charCodeAt(this.index))&&(n=8*n+s(this.source[this.index++]))),{code:n,octal:t}},e.prototype.scanIdentifier=function(){var e,t=this.index,n=92===this.source.charCodeAt(t)?this.getComplexIdentifier():this.getIdentifier();if(3!=(e=1===n.length?3:this.isKeyword(n)?4:"null"===n?5:"true"===n||"false"===n?1:3)&&t+n.length!==this.index){var r=this.index;this.index=t,this.tolerateUnexpectedToken(i.Messages.InvalidEscapedReservedWord),this.index=r}return{type:e,value:n,lineNumber:this.lineNumber,lineStart:this.lineStart,start:t,end:this.index}},e.prototype.scanPunctuator=function(){var e=this.index,t=this.source[this.index];switch(t){case"(":case"{":"{"===t&&this.curlyStack.push("{"),++this.index;break;case".":++this.index,"."===this.source[this.index]&&"."===this.source[this.index+1]&&(this.index+=2,t="...");break;case"}":++this.index,this.curlyStack.pop();break;case")":case";":case",":case"[":case"]":case":":case"?":case"~":++this.index;break;default:">>>="===(t=this.source.substr(this.index,4))?this.index+=4:"==="===(t=t.substr(0,3))||"!=="===t||">>>"===t||"<<="===t||">>="===t||"**="===t?this.index+=3:"&&"===(t=t.substr(0,2))||"||"===t||"=="===t||"!="===t||"+="===t||"-="===t||"*="===t||"/="===t||"++"===t||"--"===t||"<<"===t||">>"===t||"&="===t||"|="===t||"^="===t||"%="===t||"<="===t||">="===t||"=>"===t||"**"===t?this.index+=2:(t=this.source[this.index],"<>=!+-*%&|^/".indexOf(t)>=0&&++this.index)}return this.index===e&&this.throwUnexpectedToken(),{type:7,value:t,lineNumber:this.lineNumber,lineStart:this.lineStart,start:e,end:this.index}},e.prototype.scanHexLiteral=function(e){for(var t="";!this.eof()&&o.Character.isHexDigit(this.source.charCodeAt(this.index));)t+=this.source[this.index++];return 0===t.length&&this.throwUnexpectedToken(),o.Character.isIdentifierStart(this.source.charCodeAt(this.index))&&this.throwUnexpectedToken(),{type:6,value:parseInt("0x"+t,16),lineNumber:this.lineNumber,lineStart:this.lineStart,start:e,end:this.index}},e.prototype.scanBinaryLiteral=function(e){for(var t,n="";!this.eof()&&("0"===(t=this.source[this.index])||"1"===t);)n+=this.source[this.index++];return 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n=t[1],r=t[2],o=t[3],i=t[6],a=t[7],s=t[11];e[1]=t[4],e[2]=t[8],e[3]=t[12],e[4]=n,e[6]=t[9],e[7]=t[13],e[8]=r,e[9]=i,e[11]=t[14],e[12]=o,e[13]=a,e[14]=s}else e[0]=t[0],e[1]=t[4],e[2]=t[8],e[3]=t[12],e[4]=t[1],e[5]=t[5],e[6]=t[9],e[7]=t[13],e[8]=t[2],e[9]=t[6],e[10]=t[10],e[11]=t[14],e[12]=t[3],e[13]=t[7],e[14]=t[11],e[15]=t[15];return e}function m(e,t){var n=t[0],r=t[1],o=t[2],i=t[3],a=t[4],s=t[5],l=t[6],u=t[7],c=t[8],d=t[9],p=t[10],f=t[11],h=t[12],m=t[13],g=t[14],v=t[15],y=n*s-r*a,b=n*l-o*a,x=n*u-i*a,_=r*l-o*s,T=r*u-i*s,S=o*u-i*l,w=c*m-d*h,C=c*g-p*h,A=c*v-f*h,E=d*g-p*m,D=d*v-f*m,I=p*v-f*g,O=y*I-b*D+x*E+_*A-T*C+S*w;return O?(O=1/O,e[0]=(s*I-l*D+u*E)*O,e[1]=(o*D-r*I-i*E)*O,e[2]=(m*S-g*T+v*_)*O,e[3]=(p*T-d*S-f*_)*O,e[4]=(l*A-a*I-u*C)*O,e[5]=(n*I-o*A+i*C)*O,e[6]=(g*x-h*S-v*b)*O,e[7]=(c*S-p*x+f*b)*O,e[8]=(a*D-s*A+u*w)*O,e[9]=(r*A-n*D-i*w)*O,e[10]=(h*T-m*x+v*y)*O,e[11]=(d*x-c*T-f*y)*O,e[12]=(s*C-a*E-l*w)*O,e[13]=(n*E-r*C+o*w)*O,e[14]=(m*b-h*_-g*y)*O,e[15]=(c*_-d*b+p*y)*O,e):null}function g(e,t){var n=t[0],r=t[1],o=t[2],i=t[3],a=t[4],s=t[5],l=t[6],u=t[7],c=t[8],d=t[9],p=t[10],f=t[11],h=t[12],m=t[13],g=t[14],v=t[15];return e[0]=s*(p*v-f*g)-d*(l*v-u*g)+m*(l*f-u*p),e[1]=-(r*(p*v-f*g)-d*(o*v-i*g)+m*(o*f-i*p)),e[2]=r*(l*v-u*g)-s*(o*v-i*g)+m*(o*u-i*l),e[3]=-(r*(l*f-u*p)-s*(o*f-i*p)+d*(o*u-i*l)),e[4]=-(a*(p*v-f*g)-c*(l*v-u*g)+h*(l*f-u*p)),e[5]=n*(p*v-f*g)-c*(o*v-i*g)+h*(o*f-i*p),e[6]=-(n*(l*v-u*g)-a*(o*v-i*g)+h*(o*u-i*l)),e[7]=n*(l*f-u*p)-a*(o*f-i*p)+c*(o*u-i*l),e[8]=a*(d*v-f*m)-c*(s*v-u*m)+h*(s*f-u*d),e[9]=-(n*(d*v-f*m)-c*(r*v-i*m)+h*(r*f-i*d)),e[10]=n*(s*v-u*m)-a*(r*v-i*m)+h*(r*u-i*s),e[11]=-(n*(s*f-u*d)-a*(r*f-i*d)+c*(r*u-i*s)),e[12]=-(a*(d*g-p*m)-c*(s*g-l*m)+h*(s*p-l*d)),e[13]=n*(d*g-p*m)-c*(r*g-o*m)+h*(r*p-o*d),e[14]=-(n*(s*g-l*m)-a*(r*g-o*m)+h*(r*l-o*s)),e[15]=n*(s*p-l*d)-a*(r*p-o*d)+c*(r*l-o*s),e}function v(e){var t=e[0],n=e[1],r=e[2],o=e[3],i=e[4],a=e[5],s=e[6],l=e[7],u=e[8],c=e[9],d=e[10],p=e[11],f=e[12],h=e[13],m=e[14],g=e[15];return(t*a-n*i)*(d*g-p*m)-(t*s-r*i)*(c*g-p*h)+(t*l-o*i)*(c*m-d*h)+(n*s-r*a)*(u*g-p*f)-(n*l-o*a)*(u*m-d*f)+(r*l-o*s)*(u*h-c*f)}function y(e,t,n){var r=t[0],o=t[1],i=t[2],a=t[3],s=t[4],l=t[5],u=t[6],c=t[7],d=t[8],p=t[9],f=t[10],h=t[11],m=t[12],g=t[13],v=t[14],y=t[15],b=n[0],x=n[1],_=n[2],T=n[3];return e[0]=b*r+x*s+_*d+T*m,e[1]=b*o+x*l+_*p+T*g,e[2]=b*i+x*u+_*f+T*v,e[3]=b*a+x*c+_*h+T*y,b=n[4],x=n[5],_=n[6],T=n[7],e[4]=b*r+x*s+_*d+T*m,e[5]=b*o+x*l+_*p+T*g,e[6]=b*i+x*u+_*f+T*v,e[7]=b*a+x*c+_*h+T*y,b=n[8],x=n[9],_=n[10],T=n[11],e[8]=b*r+x*s+_*d+T*m,e[9]=b*o+x*l+_*p+T*g,e[10]=b*i+x*u+_*f+T*v,e[11]=b*a+x*c+_*h+T*y,b=n[12],x=n[13],_=n[14],T=n[15],e[12]=b*r+x*s+_*d+T*m,e[13]=b*o+x*l+_*p+T*g,e[14]=b*i+x*u+_*f+T*v,e[15]=b*a+x*c+_*h+T*y,e}function b(e,t,n){var r,o,i,a,s,l,u,c,d,p,f,h,m=n[0],g=n[1],v=n[2];return t===e?(e[12]=t[0]*m+t[4]*g+t[8]*v+t[12],e[13]=t[1]*m+t[5]*g+t[9]*v+t[13],e[14]=t[2]*m+t[6]*g+t[10]*v+t[14],e[15]=t[3]*m+t[7]*g+t[11]*v+t[15]):(r=t[0],o=t[1],i=t[2],a=t[3],s=t[4],l=t[5],u=t[6],c=t[7],d=t[8],p=t[9],f=t[10],h=t[11],e[0]=r,e[1]=o,e[2]=i,e[3]=a,e[4]=s,e[5]=l,e[6]=u,e[7]=c,e[8]=d,e[9]=p,e[10]=f,e[11]=h,e[12]=r*m+s*g+d*v+t[12],e[13]=o*m+l*g+p*v+t[13],e[14]=i*m+u*g+f*v+t[14],e[15]=a*m+c*g+h*v+t[15]),e}function x(e,t,n){var r=n[0],o=n[1],i=n[2];return e[0]=t[0]*r,e[1]=t[1]*r,e[2]=t[2]*r,e[3]=t[3]*r,e[4]=t[4]*o,e[5]=t[5]*o,e[6]=t[6]*o,e[7]=t[7]*o,e[8]=t[8]*i,e[9]=t[9]*i,e[10]=t[10]*i,e[11]=t[11]*i,e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15],e}function _(e,t,n,r){var i,a,s,l,u,c,d,p,f,h,m,g,v,y,b,x,_,T,S,w,C,A,E,D,I=r[0],O=r[1],P=r[2],N=Math.hypot(I,O,P);return N0?(n[0]=2*(l*s+d*r+u*a-c*o)/p,n[1]=2*(u*s+d*o+c*r-l*a)/p,n[2]=2*(c*s+d*a+l*o-u*r)/p):(n[0]=2*(l*s+d*r+u*a-c*o),n[1]=2*(u*s+d*o+c*r-l*a),n[2]=2*(c*s+d*a+l*o-u*r)),P(e,t,n),e}function M(e,t){return e[0]=t[12],e[1]=t[13],e[2]=t[14],e}function R(e,t){var n=t[0],r=t[1],o=t[2],i=t[4],a=t[5],s=t[6],l=t[8],u=t[9],c=t[10];return e[0]=Math.hypot(n,r,o),e[1]=Math.hypot(i,a,s),e[2]=Math.hypot(l,u,c),e}function F(e,t){var n=new i(3);R(n,t);var r=1/n[0],o=1/n[1],a=1/n[2],s=t[0]*r,l=t[1]*o,u=t[2]*a,c=t[4]*r,d=t[5]*o,p=t[6]*a,f=t[8]*r,h=t[9]*o,m=t[10]*a,g=s+d+m,v=0;return g>0?(v=2*Math.sqrt(g+1),e[3]=.25*v,e[0]=(p-h)/v,e[1]=(f-u)/v,e[2]=(l-c)/v):s>d&&s>m?(v=2*Math.sqrt(1+s-d-m),e[3]=(p-h)/v,e[0]=.25*v,e[1]=(l+c)/v,e[2]=(f+u)/v):d>m?(v=2*Math.sqrt(1+d-s-m),e[3]=(f-u)/v,e[0]=(l+c)/v,e[1]=.25*v,e[2]=(p+h)/v):(v=2*Math.sqrt(1+m-s-d),e[3]=(l-c)/v,e[0]=(f+u)/v,e[1]=(p+h)/v,e[2]=.25*v),e}function k(e,t,n,r){var o=t[0],i=t[1],a=t[2],s=t[3],l=o+o,u=i+i,c=a+a,d=o*l,p=o*u,f=o*c,h=i*u,m=i*c,g=a*c,v=s*l,y=s*u,b=s*c,x=r[0],_=r[1],T=r[2];return e[0]=(1-(h+g))*x,e[1]=(p+b)*x,e[2]=(f-y)*x,e[3]=0,e[4]=(p-b)*_,e[5]=(1-(d+g))*_,e[6]=(m+v)*_,e[7]=0,e[8]=(f+y)*T,e[9]=(m-v)*T,e[10]=(1-(d+h))*T,e[11]=0,e[12]=n[0],e[13]=n[1],e[14]=n[2],e[15]=1,e}function L(e,t,n,r,o){var i=t[0],a=t[1],s=t[2],l=t[3],u=i+i,c=a+a,d=s+s,p=i*u,f=i*c,h=i*d,m=a*c,g=a*d,v=s*d,y=l*u,b=l*c,x=l*d,_=r[0],T=r[1],S=r[2],w=o[0],C=o[1],A=o[2],E=(1-(m+v))*_,D=(f+x)*_,I=(h-b)*_,O=(f-x)*T,P=(1-(p+v))*T,N=(g+y)*T,M=(h+b)*S,R=(g-y)*S,F=(1-(p+m))*S;return e[0]=E,e[1]=D,e[2]=I,e[3]=0,e[4]=O,e[5]=P,e[6]=N,e[7]=0,e[8]=M,e[9]=R,e[10]=F,e[11]=0,e[12]=n[0]+w-(E*w+O*C+M*A),e[13]=n[1]+C-(D*w+P*C+R*A),e[14]=n[2]+A-(I*w+N*C+F*A),e[15]=1,e}function B(e,t){var n=t[0],r=t[1],o=t[2],i=t[3],a=n+n,s=r+r,l=o+o,u=n*a,c=r*a,d=r*s,p=o*a,f=o*s,h=o*l,m=i*a,g=i*s,v=i*l;return e[0]=1-d-h,e[1]=c+v,e[2]=p-g,e[3]=0,e[4]=c-v,e[5]=1-u-h,e[6]=f+m,e[7]=0,e[8]=p+g,e[9]=f-m,e[10]=1-u-d,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e}function V(e,t,n,r,o,i,a){var s=1/(n-t),l=1/(o-r),u=1/(i-a);return e[0]=2*i*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=2*i*l,e[6]=0,e[7]=0,e[8]=(n+t)*s,e[9]=(o+r)*l,e[10]=(a+i)*u,e[11]=-1,e[12]=0,e[13]=0,e[14]=a*i*2*u,e[15]=0,e}function U(e,t,n,r,o){var i,a=1/Math.tan(t/2);return e[0]=a/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=a,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(i=1/(r-o),e[10]=(o+r)*i,e[14]=2*o*r*i):(e[10]=-1,e[14]=-2*r),e}Math.hypot||(Math.hypot=function(){for(var e=0,t=arguments.length;t--;)e+=arguments[t]*arguments[t];return Math.sqrt(e)});var G=U;function z(e,t,n,r,o){var i,a=1/Math.tan(t/2);return e[0]=a/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=a,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(i=1/(r-o),e[10]=o*i,e[14]=o*r*i):(e[10]=-1,e[14]=-r),e}function j(e,t,n,r){var o=Math.tan(t.upDegrees*Math.PI/180),i=Math.tan(t.downDegrees*Math.PI/180),a=Math.tan(t.leftDegrees*Math.PI/180),s=Math.tan(t.rightDegrees*Math.PI/180),l=2/(a+s),u=2/(o+i);return e[0]=l,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=u,e[6]=0,e[7]=0,e[8]=-(a-s)*l*.5,e[9]=(o-i)*u*.5,e[10]=r/(n-r),e[11]=-1,e[12]=0,e[13]=0,e[14]=r*n/(n-r),e[15]=0,e}function W(e,t,n,r,o,i,a){var s=1/(t-n),l=1/(r-o),u=1/(i-a);return e[0]=-2*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*l,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=2*u,e[11]=0,e[12]=(t+n)*s,e[13]=(o+r)*l,e[14]=(a+i)*u,e[15]=1,e}var H=W;function X(e,t,n,r,o,i,a){var s=1/(t-n),l=1/(r-o),u=1/(i-a);return e[0]=-2*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*l,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=u,e[11]=0,e[12]=(t+n)*s,e[13]=(o+r)*l,e[14]=i*u,e[15]=1,e}function K(e,t,n,r){var i,a,s,l,u,c,d,p,h,m,g=t[0],v=t[1],y=t[2],b=r[0],x=r[1],_=r[2],T=n[0],S=n[1],w=n[2];return Math.abs(g-T)0&&(c*=f=1/Math.sqrt(f),d*=f,p*=f);var h=l*p-u*d,m=u*c-s*p,g=s*d-l*c;return(f=h*h+m*m+g*g)>0&&(h*=f=1/Math.sqrt(f),m*=f,g*=f),e[0]=h,e[1]=m,e[2]=g,e[3]=0,e[4]=d*g-p*m,e[5]=p*h-c*g,e[6]=c*m-d*h,e[7]=0,e[8]=c,e[9]=d,e[10]=p,e[11]=0,e[12]=o,e[13]=i,e[14]=a,e[15]=1,e}function 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Ai(e,t){t.classHierarchy.push("vtkPlane"),e.distanceToPlane=e=>bi(e,t.origin,t.normal),e.projectPoint=(e,n)=>{xi(e,t.origin,t.normal,n)},e.projectVector=(e,n)=>_i(e,t.normal,n),e.push=e=>{if(0!==e)for(let n=0;n<3;n++)t.origin[n]+=e*t.normal[n]},e.generalizedProjectPoint=(e,n)=>{Ti(e,t.origin,t.normal,n)},e.evaluateFunction=(e,n,r)=>Array.isArray(e)?t.normal[0]*(e[0]-t.origin[0])+t.normal[1]*(e[1]-t.origin[1])+t.normal[2]*(e[2]-t.origin[2]):t.normal[0]*(e-t.origin[0])+t.normal[1]*(n-t.origin[1])+t.normal[2]*(r-t.origin[2]),e.evaluateGradient=e=>[t.normal[0],t.normal[1],t.normal[2]],e.intersectWithLine=(e,n)=>Si(e,n,t.origin,t.normal),e.intersectWithPlane=(e,n)=>wi(e,n,t.origin,t.normal)}const Ei={normal:[0,0,1],origin:[0,0,0]};function Di(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ei,n),gt.obj(e,t),gt.setGetArray(e,t,["normal","origin"],3),Ai(e,t)}var Ii={newInstance:gt.newInstance(Di,"vtkPlane"),extend:Di,...Ci};function Oi(e,t,n,r){const o=n[0]-t[0],i=n[1]-t[1],a=n[2]-t[2],s=e[0]-t[0],l=e[1]-t[1],u=e[2]-t[2];r[0]=i*u-a*l,r[1]=a*s-o*u,r[2]=o*l-i*s}function Pi(e,t,n,r){Oi(e,t,n,r);const o=Math.sqrt(r[0]*r[0]+r[1]*r[1]+r[2]*r[2]);0!==o&&(r[0]/=o,r[1]/=o,r[2]/=o)}const Ni={computeNormalDirection:Oi,computeNormal:Pi,intersectWithTriangle:function(e,t,n,r,o,i){let a=arguments.length>6&&void 0!==arguments[6]?arguments[6]:1e-6,s=!1;const l=[],u=[],c=[],d=[],p=[];Pi(e,t,n,d),Pi(r,o,i,p);const f=-Ln(d,e),h=-Ln(p,r),m=[Ln(p,e)+h,Ln(p,t)+h,Ln(p,n)+h];if(m[0]*m[1]>a&&m[0]*m[2]>a)return{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};const g=[Ln(d,r)+f,Ln(d,o)+f,Ln(d,i)+f];if(g[0]*g[1]>a&&g[0]*g[2]>a)return{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};if(Math.abs(d[0]-p[0])<1e-9&&Math.abs(d[1]-p[1])<1e-9&&Math.abs(d[2]-p[2])<1e-9&&Math.abs(f-h)<1e-9)return s=!0,{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};const 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pa(e,t){t.classHierarchy.push("vtkOpenGLCellArrayBufferObject"),e.setType(ta.ARRAY_BUFFER),e.createVBO=function(n,r,o,i){let a=arguments.length>4&&void 0!==arguments[4]?arguments[4]:null;if(!n.getData()||!n.getData().length)return t.elementCount=0,0;t.blockSize=3,t.vertexOffset=0,t.normalOffset=0,t.tCoordOffset=0,t.tCoordComponents=0,t.colorComponents=0,t.colorOffset=0,t.customData=[];const s=i.points.getData();let l=null,u=null,c=null;const 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R=i.vertexOffset;f=function(e){if(a&&(a.points[R]=e,a.cells[R]=b+i.cellOffset),++R,h=3*e,t.coordShiftAndScaleEnabled?(D[I++]=(s[h++]-t.coordShift[0])*t.coordScale[0],D[I++]=(s[h++]-t.coordShift[1])*t.coordScale[1],D[I++]=(s[h++]-t.coordShift[2])*t.coordScale[2]):(D[I++]=s[h++],D[I++]=s[h++],D[I++]=s[h++]),null!==l&&(m=i.haveCellNormals?3*(b+i.cellOffset):3*e,D[I++]=l[m++],D[I++]=l[m++],D[I++]=l[m++]),t.customData.forEach((t=>{y=e*t.components;for(let e=0;e{null===e||e.constructor===Float64Array&&3===e.length?null===n||n.constructor===Float64Array&&3===n.length?(null!==t.coordShift&&null!==e&&en(e,t.coordShift)||(t.coordShift=e),null!==t.coordScale&&null!==n&&en(n,t.coordScale)||(t.coordScale=n),t.coordShiftAndScaleEnabled=function(e,t){return null!==e&&null!==t&&!(Zt(e,[0,0,0])&&Zt(t,[1,1,1]))}(t.coordShift,t.coordScale),t.coordShiftAndScaleEnabled?t.inverseShiftAndScaleMatrix=function(e,t){const n=new Float64Array(3);Xt(n,t);const r=new Float64Array(16);return 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va(e,t){t.classHierarchy.push("vtkShader"),e.compile=()=>{let e=t.context.VERTEX_SHADER;if(!t.source||!t.source.length||"Unknown"===t.shaderType)return!1;if(0!==t.handle&&(t.context.deleteShader(t.handle),t.handle=0),e="Fragment"===t.shaderType?t.context.FRAGMENT_SHADER:t.context.VERTEX_SHADER,t.handle=t.context.createShader(e),t.context.shaderSource(t.handle,t.source),t.context.compileShader(t.handle),!t.context.getShaderParameter(t.handle,t.context.COMPILE_STATUS)){const e=t.context.getShaderInfoLog(t.handle);return ga(`Error compiling shader '${t.source}': ${e}`),t.context.deleteShader(t.handle),t.handle=0,!1}return!0},e.cleanup=()=>{"Unknown"!==t.shaderType&&0!==t.handle&&(t.context.deleteShader(t.handle),t.handle=0,t.dirty=!0)}}const ya={shaderType:"Unknown",source:"",error:"",handle:0,dirty:!1,context:null};function ba(e,t){let n=arguments.length>2&&void 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No such uniform.`,!1;for(var o=arguments.length,i=new Array(o>1?o-1:0),a=1;a{const o=e.findUniform(n);return-1===o?(t.error=`Could not set uniform ${n} . No such uniform.`,!1):(t.context.uniform4fv(o,r),!0)},e.setUniform4i=function(n){const r=e.findUniform(n);if(-1===r)return t.error=`Could not set uniform ${n} . No such uniform.`,!1;for(var o=arguments.length,i=new Array(o>1?o-1:0),a=1;a{const o=e.findUniform(n);return-1===o?(t.error=`Could not set uniform ${n} . 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program.",!1):(t.context.detachShader(t.handle,e.getHandle()),t.vertexShaderHandle=0,t.linked=!1,!0);case"Fragment":return t.fragmentShaderHandle!==e.getHandle()?(t.error="The supplied shader was not attached to this program.",!1):(t.context.detachShader(t.handle,e.getHandle()),t.fragmentShaderHandle=0,t.linked=!1,!0);default:return!1}},e.setContext=e=>{t.context=e,t.vertexShader.setContext(e),t.fragmentShader.setContext(e),t.geometryShader.setContext(e)},e.setLastCameraMTime=e=>{t.lastCameraMTime=e}}const Sa={vertexShaderHandle:0,fragmentShaderHandle:0,geometryShaderHandle:0,vertexShader:null,fragmentShader:null,geometryShader:null,linked:!1,bound:!1,compiled:!1,error:"",handle:0,numberOfOutputs:0,attributesLocs:null,uniformLocs:null,md5Hash:0,context:null,lastCameraMTime:null};function wa(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Sa,n),t.attributesLocs={},t.uniformLocs={},t.vertexShader=xa.newInstance(),t.vertexShader.setShaderType("Vertex"),t.fragmentShader=xa.newInstance(),t.fragmentShader.setShaderType("Fragment"),t.geometryShader=xa.newInstance(),t.geometryShader.setShaderType("Geometry"),gt.obj(e,t),gt.get(e,t,["lastCameraMTime"]),gt.setGet(e,t,["error","handle","compiled","bound","md5Hash","vertexShader","fragmentShader","geometryShader","linked"]),Ta(e,t)}var Ca={newInstance:gt.newInstance(wa,"vtkShaderProgram"),extend:wa,substitute:function(e,t,n,r){const o="string"==typeof n?n:n.join("\n"),i=!1===r?t:new RegExp(t,"g"),a=e.replace(i,o);return{replace:a!==o,result:a}}};function Aa(e,t){t.classHierarchy.push("vtkOpenGLVertexArrayObject"),e.exposedMethod=()=>{},e.initialize=()=>{t.instancingExtension=null,t._openGLRenderWindow.getWebgl2()||(t.instancingExtension=t.context.getExtension("ANGLE_instanced_arrays")),!t.forceEmulation&&t._openGLRenderWindow&&t._openGLRenderWindow.getWebgl2()?(t.extension=null,t.supported=!0,t.handleVAO=t.context.createVertexArray()):(t.extension=t.context.getExtension("OES_vertex_array_object"),!t.forceEmulation&&t.extension?(t.supported=!0,t.handleVAO=t.extension.createVertexArrayOES()):t.supported=!1)},e.isReady=()=>0!==t.handleVAO||!1===t.supported,e.bind=()=>{if(e.isReady()||e.initialize(),e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(t.handleVAO):t.context.bindVertexArray(t.handleVAO);else if(e.isReady()){const e=t.context;for(let n=0;n0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,1):e.vertexAttribDivisor(o.index+n,1))}}}},e.release=()=>{if(e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(null):t.context.bindVertexArray(null);else if(e.isReady()){const e=t.context;for(let n=0;n0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,0):e.vertexAttribDivisor(o.index+n,0)),e.disableVertexAttribArray(o.index+n)}}}},e.shaderProgramChanged=()=>{e.release(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.handleProgram=0},e.releaseGraphicsResources=()=>{e.shaderProgramChanged(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.supported=!0,t.handleProgram=0},e.addAttributeArray=(t,n,r,o,i,a,s,l)=>e.addAttributeArrayWithDivisor(t,n,r,o,i,a,s,l,0,!1),e.addAttributeArrayWithDivisor=(n,r,o,i,a,s,l,u,c,d)=>{if(!n)return!1;if(!n.isBound()||0===r.getHandle()||r.getType()!==ta.ARRAY_BUFFER)return!1;if(0===t.handleProgram&&(t.handleProgram=n.getHandle()),e.isReady()||e.initialize(),!e.isReady()||t.handleProgram!==n.getHandle())return!1;const p=t.context,f={};if(f.name=o,f.index=p.getAttribLocation(t.handleProgram,o),f.offset=i,f.stride=a,f.type=s,f.size=l,f.normalize=u,f.isMatrix=d,f.divisor=c,-1===f.Index)return!1;if(r.bind(),p.enableVertexAttribArray(f.index),p.vertexAttribPointer(f.index,f.size,f.type,f.normalize,f.stride,f.offset),c>0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f.index,1):p.vertexAttribDivisor(f.index,1)),f.buffer=r.getHandle(),!t.supported){let e=!1;for(let n=0;n{const d=e.addAttributeArrayWithDivisor(n,r,o,i,a,s,l,u,c,!0);if(!d)return d;const p=t.context,f=p.getAttribLocation(t.handleProgram,o);for(let e=1;e0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f+e,1):p.vertexAttribDivisor(f+e,1));return!0},e.removeAttributeArray=n=>{if(!e.isReady()||0===t.handleProgram)return!1;if(!t.supported)for(let e=0;e{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))}}const Ea={forceEmulation:!1,handleVAO:0,handleProgram:0,supported:!0,buffers:null,context:null};function Da(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ea,n),t.buffers=[],gt.obj(e,t),gt.get(e,t,["supported"]),gt.setGet(e,t,["forceEmulation"]),Aa(e,t)}var Ia={newInstance:gt.newInstance(Da,"vtkOpenGLVertexArrayObject"),extend:Da};const Oa={Start:0,Points:0,Lines:1,Tris:2,TriStrips:3,TrisEdges:4,TriStripsEdges:5,End:6};function Pa(e,t){t.classHierarchy.push("vtkOpenGLHelper"),e.setOpenGLRenderWindow=e=>{t.context=e.getContext(),t.program.setContext(t.context),t.VAO.setOpenGLRenderWindow(e),t.CABO.setOpenGLRenderWindow(e)},e.releaseGraphicsResources=e=>{t.VAO.releaseGraphicsResources(),t.CABO.releaseGraphicsResources(),t.CABO.setElementCount(0)},e.drawArrays=(n,r,o,i)=>{if(t.CABO.getElementCount()){const a=e.getOpenGLMode(o),s=e.haveWideLines(n,r),l=t.context,u=l.getParameter(l.DEPTH_WRITEMASK);t.pointPicking&&l.depthMask(!1),a===l.LINES&&s?(e.updateShaders(n,r,i),l.drawArraysInstanced(a,0,t.CABO.getElementCount(),2*Math.ceil(r.getProperty().getLineWidth()))):(l.lineWidth(r.getProperty().getLineWidth()),e.updateShaders(n,r,i),l.drawArrays(a,0,t.CABO.getElementCount()),l.lineWidth(1));const c=(a===l.POINTS?1:0)||(a===l.LINES?2:3);return t.pointPicking&&l.depthMask(u),t.CABO.getElementCount()/c}return 0},e.getOpenGLMode=e=>{if(t.pointPicking)return t.context.POINTS;const n=t.primitiveType;return e===ua.POINTS||n===Oa.Points?t.context.POINTS:e===ua.WIREFRAME||n===Oa.Lines||n===Oa.TrisEdges||n===Oa.TriStripsEdges?t.context.LINES:t.context.TRIANGLES},e.haveWideLines=(e,n)=>n.getProperty().getLineWidth()>1&&!(t.CABO.getOpenGLRenderWindow()&&t.CABO.getOpenGLRenderWindow().getHardwareMaximumLineWidth()>=n.getProperty().getLineWidth()),e.getNeedToRebuildShaders=(t,n,r)=>!!(r.getNeedToRebuildShaders(e,t,n)||0===e.getProgram()||e.getShaderSourceTime().getMTime(){if(e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};o.buildShaders(i,n,r);const a=t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==e.getProgram()&&(e.setProgram(a),e.getVAO().releaseGraphicsResources()),e.getShaderSourceTime().modified()}else t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgram(e.getProgram());e.getVAO().bind(),o.setMapperShaderParameters(e,n,r),o.setPropertyShaderParameters(e,n,r),o.setCameraShaderParameters(e,n,r),o.setLightingShaderParameters(e,n,r),o.invokeShaderCallbacks(e,n,r)},e.setMapperShaderParameters=(n,r,o)=>{if(e.haveWideLines(n,r)){e.getProgram().setUniform2f("viewportSize",o.usize,o.vsize);const t=parseFloat(r.getProperty().getLineWidth()),n=t/2;e.getProgram().setUniformf("lineWidthStepSize",t/Math.ceil(t)),e.getProgram().setUniformf("halfLineWidth",n)}t.primitiveType===Oa.Points||r.getProperty().getRepresentation()===ua.POINTS?e.getProgram().setUniformf("pointSize",r.getProperty().getPointSize()):t.pointPicking&&e.getProgram().setUniformf("pointSize",e.getPointPickingPrimitiveSize())},e.replaceShaderPositionVC=(n,r,o)=>{let i=n.Vertex;i=Ca.substitute(i,"//VTK::PositionVC::Dec",["//VTK::PositionVC::Dec","uniform float 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}"]).result),n.Vertex=i},e.getPointPickingPrimitiveSize=()=>t.primitiveType===Oa.Points?2:t.primitiveType===Oa.Lines?4:6,e.getAllocatedGPUMemoryInBytes=()=>e.getCABO().getAllocatedGPUMemoryInBytes()}const Na={context:null,program:null,shaderSourceTime:null,VAO:null,attributeUpdateTime:null,CABO:null,primitiveType:0,pointPicking:!1};function Ma(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Na,n),gt.obj(e,t),t.shaderSourceTime={},gt.obj(t.shaderSourceTime),t.attributeUpdateTime={},gt.obj(t.attributeUpdateTime),gt.setGet(e,t,["program","shaderSourceTime","VAO","attributeUpdateTime","CABO","primitiveType","pointPicking"]),t.program=Ca.newInstance(),t.VAO=Ia.newInstance(),t.CABO=ma.newInstance(),Pa(e,t)}var Ra={newInstance:gt.newInstance(Ma),extend:Ma,primTypes:Oa};const Fa=e=>e,ka=1e-6;class La{constructor(){let e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this.matrix=f(new Float64Array(16)),this.tmp=new 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Ka(e,t){t.classHierarchy.push("vtkImageDataOutlineFilter");const n={...e};e.requestData=(e,n)=>{const r=e[0];if(!r||!r.isA("vtkImageData"))return void Xa("Invalid or missing input");const o=r.getSpatialExtent();o?(t._cubeSource.setBounds(o),t._cubeSource.setMatrix(r.getIndexToWorld()),n[0]=t._cubeSource.getOutputData()):Xa("Unable to fetch spatial extents of input image.")},e.getMTime=()=>Math.max(n.getMTime(),t._cubeSource.getMTime()),e.setGenerateFaces=t._cubeSource.setGenerateFaces,e.setGenerateLines=t._cubeSource.setGenerateLines,e.getGenerateFaces=t._cubeSource.getGenerateFaces,e.getGenerateLines=t._cubeSource.getGenerateLines}const qa={};function $a(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,qa,n),gt.obj(e,t),gt.algo(e,t,1,1),t._cubeSource=Ha.newInstance(),gt.moveToProtected(e,t,["cubeSource","tmpOut"]),Ka(e,t)}var Ya={newInstance:gt.newInstance($a,"vtkImageDataOutlineFilter"),extend:$a};const Ja={CLAMP_TO_EDGE:0,REPEAT:1,MIRRORED_REPEAT:2},Qa={NEAREST:0,LINEAR:1,NEAREST_MIPMAP_NEAREST:2,NEAREST_MIPMAP_LINEAR:3,LINEAR_MIPMAP_NEAREST:4,LINEAR_MIPMAP_LINEAR:5};var Za={Wrap:Ja,Filter:Qa};const es=new Float32Array(1),ts=new Int32Array(es.buffer);var ns={fromHalf:function(e){const t=(32768&e)>>15,n=(31744&e)>>10,r=1023&e;return 0===n?(t?-1:1)*2**-14*(r/1024):31===n?r?NaN:1/0*(t?-1:1):(t?-1:1)*2**(n-15)*(1+r/1024)},toHalf:function(e){es[0]=e;const t=ts[0];let n=t>>16&32768,r=t>>12&2047;const o=t>>23&255;return o<103?n:o>142?(n|=31744,n|=(255===o?0:1)&&8388607&t,n):o<113?(r|=2048,n|=(r>>114-o)+(r>>113-o&1),n):(n|=o-112<<10|r>>1,n+=1&r,n)}};const{Wrap:rs,Filter:os}=Za,{VtkDataTypes:is}=Wr,{vtkDebugMacro:as,vtkErrorMacro:ss,vtkWarningMacro:ls}=vt,{toHalf:us}=ns;function cs(e,t){function n(e,n){let r=arguments.length>2&&void 0!==arguments[2]&&arguments[2];const o=[];let i=t.width*t.height*t.components;if(r&&(i*=t.depth),e!==is.FLOAT&&t.openGLDataType===t.context.FLOAT)for(let 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e=!1;if(t.context&&t.handle){let n=0;t.target===t.context.TEXTURE_2D?n=t.context.TEXTURE_BINDING_2D:ls("impossible case"),e=t.context.getIntegerv(n)===t.handle}return e},e.sendParameters=()=>{t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_S,e.getOpenGLWrapMode(t.wrapS)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_T,e.getOpenGLWrapMode(t.wrapT)),t._openGLRenderWindow.getWebgl2()&&t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_R,e.getOpenGLWrapMode(t.wrapR)),t.context.texParameteri(t.target,t.context.TEXTURE_MIN_FILTER,e.getOpenGLFilterMode(t.minificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_MAG_FILTER,e.getOpenGLFilterMode(t.magnificationFilter)),t._openGLRenderWindow.getWebgl2()&&(t.context.texParameteri(t.target,t.context.TEXTURE_BASE_LEVEL,t.baseLevel),t.context.texParameteri(t.target,t.context.TEXTURE_MAX_LEVEL,t.maxLevel)),t.sendParametersTime.modified()},e.getInternalFormat=(n,r)=>(t._forceInternalFormat||(t.internalFormat=e.getDefaultInternalFormat(n,r)),t.internalFormat||as(`Unable to find suitable internal format for T=${n} NC= ${r}`),t.internalFormat),e.getDefaultInternalFormat=(e,n)=>{let r=0;return r=t._openGLRenderWindow.getDefaultTextureInternalFormat(e,n,t.oglNorm16Ext,t.useHalfFloat),r||(r||(as("Unsupported internal texture type!"),as(`Unable to find suitable internal format for T=${e} NC= ${n}`)),r)},e.setInternalFormat=n=>{t._forceInternalFormat=!0,n!==t.internalFormat&&(t.internalFormat=n,e.modified())},e.getFormat=(n,r)=>(t.format=e.getDefaultFormat(n,r),t.format),e.getDefaultFormat=(e,n)=>{if(t._openGLRenderWindow.getWebgl2())switch(n){case 1:return t.context.RED;case 2:return t.context.RG;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}else switch(n){case 1:return t.context.LUMINANCE;case 2:return t.context.LUMINANCE_ALPHA;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}},e.resetFormatAndType=()=>{t.format=0,t.internalFormat=0,t._forceInternalFormat=!1,t.openGLDataType=0},e.getDefaultDataType=e=>{if(t._openGLRenderWindow.getWebgl2())switch(e){case is.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case t.oglNorm16Ext&&!t.useHalfFloat&&is.SHORT:return t.context.SHORT;case t.oglNorm16Ext&&!t.useHalfFloat&&is.UNSIGNED_SHORT:return t.context.UNSIGNED_SHORT;case t.useHalfFloat&&is.SHORT:case t.useHalfFloat&&is.UNSIGNED_SHORT:return t.context.HALF_FLOAT;case is.FLOAT:case is.VOID:default:return t.context.FLOAT}switch(e){case is.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case is.FLOAT:case is.VOID:default:if(t.context.getExtension("OES_texture_float")&&t.context.getExtension("OES_texture_float_linear"))return t.context.FLOAT;{const e=t.context.getExtension("OES_texture_half_float");if(e&&t.context.getExtension("OES_texture_half_float_linear"))return e.HALF_FLOAT_OES}return t.context.UNSIGNED_BYTE}},e.getOpenGLDataType=function(n){let r=arguments.length>1&&void 0!==arguments[1]&&arguments[1];return t.openGLDataType&&!r||(t.openGLDataType=e.getDefaultDataType(n)),t.openGLDataType},e.getShiftAndScale=()=>{let e=0,n=1;switch(t.openGLDataType){case t.context.BYTE:n=127.5,e=n-128;break;case t.context.UNSIGNED_BYTE:n=255,e=0;break;case t.context.SHORT:n=32767.5,e=n-32768;break;case t.context.UNSIGNED_SHORT:n=65536,e=0;break;case t.context.INT:n=2147483647.5,e=n-2147483648;break;case t.context.UNSIGNED_INT:n=4294967295,e=0;case t.context.FLOAT:}return{shift:e,scale:n}},e.getOpenGLFilterMode=e=>{switch(e){case os.NEAREST:return t.context.NEAREST;case os.LINEAR:return t.context.LINEAR;case os.NEAREST_MIPMAP_NEAREST:return t.context.NEAREST_MIPMAP_NEAREST;case os.NEAREST_MIPMAP_LINEAR:return t.context.NEAREST_MIPMAP_LINEAR;case os.LINEAR_MIPMAP_NEAREST:return t.context.LINEAR_MIPMAP_NEAREST;case os.LINEAR_MIPMAP_LINEAR:return t.context.LINEAR_MIPMAP_LINEAR;default:return t.context.NEAREST}},e.getOpenGLWrapMode=e=>{switch(e){case rs.CLAMP_TO_EDGE:return t.context.CLAMP_TO_EDGE;case rs.REPEAT:return t.context.REPEAT;case rs.MIRRORED_REPEAT:return t.context.MIRRORED_REPEAT;default:return t.context.CLAMP_TO_EDGE}},e.create2DFromRaw=function(i,a,s,l,u){let c=arguments.length>5&&void 0!==arguments[5]&&arguments[5];if(e.getOpenGLDataType(l,!0),e.getInternalFormat(l,s),e.getFormat(l,s),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=s,t.width=i,t.height=a,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=[u],p=n(l,d),f=r(p);return t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,c),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(l)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=f[0]&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,f[0])):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,f[0]),t.generateMipmap&&t.context.generateMipmap(t.target),c&&t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,!1),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*s*t._openGLRenderWindow.getDefaultTextureByteSize(l,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.createCubeFromRaw=(i,a,s,l,u)=>{if(e.getOpenGLDataType(l),e.getInternalFormat(l,s),e.getFormat(l,s),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_CUBE_MAP,t.components=s,t.width=i,t.height=a,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),t.maxLevel=u.length/6-1,e.createTexture(),e.bind();const c=r(n(l,u)),d=[];let p=t.width,f=t.height;for(let e=0;e=1&&i>=1;){let a=null;n<=t.maxLevel&&(a=d[6*n+e]),o(l)?null!=a&&t.context.texSubImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,0,0,r,i,t.format,t.openGLDataType,a):t.context.texImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,t.internalFormat,r,i,0,t.format,t.openGLDataType,a),n++,r/=2,i/=2}}return t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*s*t._openGLRenderWindow.getDefaultTextureByteSize(l,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.createDepthFromRaw=(n,r,i,a)=>(e.getOpenGLDataType(i),t.format=t.context.DEPTH_COMPONENT,t._openGLRenderWindow.getWebgl2()?i===is.FLOAT?t.internalFormat=t.context.DEPTH_COMPONENT32F:t.internalFormat=t.context.DEPTH_COMPONENT16:t.internalFormat=t.context.DEPTH_COMPONENT,t.internalFormat&&t.format&&t.openGLDataType?(t.target=t.context.TEXTURE_2D,t.components=1,t.width=n,t.height=r,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(i)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=a&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,a)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,a),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(i,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0):(ss("Failed to determine texture parameters."),!1)),e.create2DFromImage=n=>{if(e.getOpenGLDataType(is.UNSIGNED_CHAR),e.getInternalFormat(is.UNSIGNED_CHAR,4),e.getFormat(is.UNSIGNED_CHAR,4),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=4,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1);const r=!(t._openGLRenderWindow.getWebgl2()||On(n.width)&&On(n.height)),i=document.createElement("canvas");i.width=r?In(n.width):n.width,i.height=r?In(n.height):n.height,t.width=i.width,t.height=i.height;const a=i.getContext("2d");a.translate(0,i.height),a.scale(1,-1),a.drawImage(n,0,0,n.width,n.height,0,0,i.width,i.height);const s=i;return o(is.UNSIGNED_CHAR)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=s&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,s)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,s),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(is.UNSIGNED_CHAR,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.create2DFilterableFromRaw=function(t,n,r,o,i){let a=arguments.length>5&&void 0!==arguments[5]&&arguments[5];return e.create2DFilterableFromDataArray(t,n,Wr.newInstance({numberOfComponents:r,dataType:o,values:i}),a)},e.create2DFilterableFromDataArray=function(t,n,r){let o=arguments.length>3&&void 0!==arguments[3]&&arguments[3];const{numComps:a,dataType:s,data:l}=i(r,o);e.create2DFromRaw(t,n,a,s,l)},e.create3DFromRaw=(i,a,s,l,u,c)=>{if(e.getOpenGLDataType(u),e.getInternalFormat(u,l),e.getFormat(u,l),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_3D,t.components=l,t.width=i,t.height=a,t.depth=s,t.numberOfDimensions=3,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=r(n(u,[c],!0));return 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I=Math.floor(n/x),O=Math.floor(r/_);for(let e=0;e{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.getMaximumTextureSize=e=>e&&e.isCurrent()?e.getIntegerv(e.MAX_TEXTURE_SIZE):-1}const ds={_openGLRenderWindow:null,_forceInternalFormat:!1,context:null,handle:0,sendParametersTime:null,textureBuildTime:null,numberOfDimensions:0,target:0,format:0,openGLDataType:0,components:0,width:0,height:0,depth:0,autoParameters:!0,wrapS:rs.CLAMP_TO_EDGE,wrapT:rs.CLAMP_TO_EDGE,wrapR:rs.CLAMP_TO_EDGE,minificationFilter:os.NEAREST,magnificationFilter:os.NEAREST,minLOD:-1e3,maxLOD:1e3,baseLevel:0,maxLevel:1e3,generateMipmap:!1,useHalfFloat:!0,oglNorm16Ext:null,allocatedGPUMemoryInBytes:0};function ps(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ds,n),Tt.extend(e,t,n),t.sendParametersTime={},je(t.sendParametersTime,{mtime:0}),t.textureBuildTime={},je(t.textureBuildTime,{mtime:0}),qe(e,t,["format","openGLDataType"]),$e(e,t,["keyMatrixTime","minificationFilter","magnificationFilter","wrapS","wrapT","wrapR","generateMipmap","oglNorm16Ext"]),He(e,t,["width","height","volumeInfo","components","handle","target","allocatedGPUMemoryInBytes"]),Ze(0,t,["openGLRenderWindow"]),cs(e,t)}const fs=rt(ps,"vtkOpenGLTexture");var hs={newInstance:fs,extend:ps,...Za};Dt("vtkTexture",fs);var ms=function(e,t){e.replaceShaderCoincidentOffset=(n,r,o)=>{const i=e.getCoincidentParameters(r,o);if(i&&(0!==i.factor||0!==i.offset)){let e=n.Fragment;e=Ca.substitute(e,"//VTK::Coincident::Dec",["uniform float cfactor;","uniform float coffset;"]).result,t.context.getExtension("EXT_frag_depth")&&(0!==i.factor?(e=Ca.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + 0.000016*coffset;").result),t._openGLRenderWindow.getWebgl2()&&(0!==i.factor?(e=Ca.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + 0.000016*coffset;").result),n.Fragment=e}}},gs=function(e,t){e.applyShaderReplacements=(e,t,n)=>{let r=null;if(t&&(r=t.ShaderReplacements),r)for(let t=0;t{e.getReplacedShaderTemplate(n,r,o),t.lastRenderPassShaderReplacement=t.currentRenderPass?t.currentRenderPass.getShaderReplacement():null,t.lastRenderPassShaderReplacement&&t.lastRenderPassShaderReplacement(n);const i=t.renderable.getViewSpecificProperties().OpenGL;e.applyShaderReplacements(n,i,!0),e.replaceShaderValues(n,r,o),e.applyShaderReplacements(n,i)},e.getReplacedShaderTemplate=(n,r,o)=>{const i=t.renderable.getViewSpecificProperties().OpenGL;e.getShaderTemplate(n,r,o);let a=n.Vertex;if(i){const e=i.VertexShaderCode;void 0!==e&&""!==e&&(a=e)}n.Vertex=a;let s=n.Fragment;if(i){const e=i.FragmentShaderCode;void 0!==e&&""!==e&&(s=e)}n.Fragment=s;let l=n.Geometry;if(i){const e=i.GeometryShaderCode;void 0!==e&&(l=e)}n.Geometry=l}};let vs;function ys(e,t){t.classHierarchy.push("vtkAbstractTransform","vtkHomogeneousTransform","vtkTransform"),e.transformPoint=(e,n)=>(Yt(n,e,t.matrix),n),e.transformPoints=(e,n)=>{const r=new Float64Array(3),o=new Float64Array(3);for(let i=0;i{e.setPreMultiplyFlag(!0)},e.postMultiply=()=>{e.setPreMultiplyFlag(!1)},e.transformMatrix=(e,n)=>(t.preMultiplyFlag?y(n,t.matrix,e):y(n,e,t.matrix),n),e.transformMatrices=(e,n)=>{const r=new Float64Array(16),o=new Float64Array(16),i=t.preMultiplyFlag?()=>y(o,t.matrix,r):()=>y(o,r,t.matrix);for(let t=0;tvs({matrix:Pr.invertMatrix(Array.from(t.matrix),[],4),preMultiplyFlag:t.preMultiplyFlag})}const bs={preMultiplyFlag:!1,matrix:[...un]};function xs(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,bs,n),gt.obj(e,t),gt.setGet(e,t,["preMultiplyFlag"]),gt.setGetArray(e,t,["matrix"],16),ys(e,t)}vs=gt.newInstance(xs,"vtkTransform");var _s={newInstance:vs,extend:xs};const Ts=0,{vtkErrorMacro:Ss}=vt;function ws(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function Cs(e,t,n){return t.identity(n),e.reduce(((e,n,r)=>0===r?n?t.copy(e,n):t.identity(e):n?t.multiply(e,e,n):e),n)}function As(e,t){t.classHierarchy.push("vtkOpenGLImageResliceMapper"),e.buildPass=n=>{if(n){t.currentRenderPass=null,t._openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const n=t._openGLRenderer.getRenderable();t._openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera()),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow)}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t._openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getInputData(),t.currentInput?(e.updateResliceGeometry(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r),e.invokeEvent({type:"EndEvent"})):Ss("No input!")},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),r.getProperty().getInterpolationType()===Ts?(t.openGLTexture.setMinificationFilter(Qa.NEAREST),t.openGLTexture.setMagnificationFilter(Qa.NEAREST),t.colorTexture.setMinificationFilter(Qa.NEAREST),t.colorTexture.setMagnificationFilter(Qa.NEAREST),t.pwfTexture.setMinificationFilter(Qa.NEAREST),t.pwfTexture.setMagnificationFilter(Qa.NEAREST)):(t.openGLTexture.setMinificationFilter(Qa.LINEAR),t.openGLTexture.setMagnificationFilter(Qa.LINEAR),t.colorTexture.setMinificationFilter(Qa.LINEAR),t.colorTexture.setMagnificationFilter(Qa.LINEAR),t.pwfTexture.setMinificationFilter(Qa.LINEAR),t.pwfTexture.setMagnificationFilter(Qa.LINEAR)),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const r=t.currentInput;if(!r)return;const o=r.getPointData()?.getScalars();if(!o)return;t._scalars!==o&&(t._openGLRenderWindow.releaseGraphicsResourcesForObject(t._scalars),t._scalars=o);const i=o.getNumberOfComponents();let a=`${r.getMTime()}A${o.getMTime()}`;const s=t._openGLRenderWindow.getGraphicsResourceForObject(o);if(s?.vtkObj&&s?.hash===a&&t.openGLTextureString===a)t.openGLTexture=s.vtkObj,t.openGLTextureString=s.hash;else{t.openGLTexture||(t.openGLTexture=hs.newInstance(),t.openGLTexture.setOpenGLRenderWindow(t._openGLRenderWindow));const e=r.getDimensions();t.openGLTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.openGLTexture.releaseGraphicsResources(t._openGLRenderWindow),t.openGLTexture.resetFormatAndType(),t.openGLTexture.create3DFilterableFromDataArray(e[0],e[1],e[2],o),t.openGLTextureString=a,o&&t._openGLRenderWindow.setGraphicsResourceForObject(o,t.openGLTexture,t.openGLTextureString)}const l=n.getProperty(),u=l.getIndependentComponents(),c=u?i:1,d=u?2*c:1,p=l.getRGBTransferFunction();a=ws(l,p,c);const f=t._openGLRenderWindow.getGraphicsResourceForObject(p);if(f?.vtkObj&&f?.hash===a&&t.colorTextureString===a)t.colorTexture=f.vtkObj,t.colorTextureString=f.hash;else{const e=1024,n=new Uint8Array(e*d*3);if(t.colorTexture||(t.colorTexture=hs.newInstance(),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow)),p){const r=new Float32Array(3*e);for(let t=0;t0){const e=t.resliceGeom.getPointData().getNormals();e?r.normals=e:Ss("Slab mode requested without normals")}t.tris.getCABO().createVBO(n,"polys",ua.SURFACE,r)}t.VBOBuildString=g,t.VBOBuildTime.modified()},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const i=n.getProgram();if(n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())){i.isUniformUsed("texture1")&&i.setUniformi("texture1",t.openGLTexture.getTextureUnit()),i.isAttributeUsed("vertexWC")&&(n.getVAO().addAttributeArray(i,n.getCABO(),"vertexWC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ss("Error setting vertexWC in shader VAO.")),i.isAttributeUsed("normalWC")&&(n.getVAO().addAttributeArray(i,n.getCABO(),"normalWC",n.getCABO().getNormalOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ss("Error setting normalWC in shader VAO.")),i.isUniformUsed("slabThickness")&&i.setUniformf("slabThickness",t.renderable.getSlabThickness()),i.isUniformUsed("spacing")&&i.setUniform3fv("spacing",t.currentInput.getSpacing()),i.isUniformUsed("slabType")&&i.setUniformi("slabType",t.renderable.getSlabType()),i.isUniformUsed("slabType")&&i.setUniformi("slabType",t.renderable.getSlabType()),i.isUniformUsed("slabTrapezoid")&&i.setUniformi("slabTrapezoid",t.renderable.getSlabTrapezoidIntegration());const e=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null;if(i.isUniformUsed("WCTCMatrix")){const n=t.currentInput,r=n.getDimensions();c(t.tmpMat4,n.getIndexToWorld()),x(t.tmpMat4,t.tmpMat4,r),m(t.tmpMat4,t.tmpMat4),e&&y(t.tmpMat4,t.tmpMat4,e),i.setUniformMatrix("WCTCMatrix",t.tmpMat4)}i.isUniformUsed("vboScaling")&&i.setUniform3fv("vboScaling",n.getCABO().getCoordScale()),n.getAttributeUpdateTime().modified()}if(t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),n.getProgram().isUniformUsed("coffset")){const t=e.getCoincidentParameters(r,o);n.getProgram().setUniformf("coffset",t.offset),n.getProgram().isUniformUsed("cfactor")&&n.getProgram().setUniformf("cfactor",t.factor)}},e.setCameraShaderParameters=(e,n,o)=>{const i=t._openGLCamera.getKeyMatrices(n),a=t._openGLImageSlice.getKeyMatrices(),s=e.getCABO().getCoordShiftAndScaleEnabled()?e.getCABO().getInverseShiftAndScaleMatrix():null,l=e.getProgram();l.isUniformUsed("MCPCMatrix")&&(f(t.tmpMat4),l.setUniformMatrix("MCPCMatrix",Cs([i.wcpc,a.mcwc,s],r,t.tmpMat4))),l.isUniformUsed("MCVCMatrix")&&(f(t.tmpMat4),l.setUniformMatrix("MCVCMatrix",Cs([i.wcvc,a.mcwc,s],r,t.tmpMat4)))},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),i=r.getProperty(),a=i.getOpacity();o.setUniformf("opacity",a);const s=t.openGLTexture.getComponents(),l=i.getIndependentComponents();if(l)for(let e=0;e{const o=t.openGLTexture.getComponents(),i=r.getProperty().getIndependentComponents(),a=t.renderable.getSlabThickness(),s=t.renderable.getSlabType(),l=t.renderable.getSlabTrapezoidIntegration();let u=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(u=!0),!(!u&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&0!==e.getProgram()?.getHandle()&&t.lastTextureComponents===o&&t.lastIndependentComponents===i&&t.lastSlabThickness===a&&t.lastSlabType===s&&t.lastSlabTrapezoidIntegration===l||(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=i,t.lastSlabThickness=a,t.lastSlabType=s,t.lastSlabTrapezoidIntegration=l,0))},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkImageResliceMapperVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\n// all variables that represent positions or directions have a suffix\n// indicating the coordinate system they are in. The possible values are\n// MC - Model coordinates\n// WC - World coordinates\n// VC - View coordinates\n// DC - Display coordinates\n// TC - Texture coordinates\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\nvoid main()\n{\n //VTK::PositionVC::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Picking::Impl\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkImageResliceMapperFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the gpu image mapper fragment shader\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n // VC position of this fragment. This should not branch/return/discard.\n //VTK::PositionVC::Impl\n\n // Place any calls that require uniform flow (e.g. dFdx) here.\n //VTK::UniformFlow::Impl\n\n // Set gl_FragDepth here (gl_FragCoord.z by default)\n //VTK::Depth::Impl\n\n // Early depth peeling abort:\n //VTK::DepthPeeling::PreColor\n\n //VTK::TCoord::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n\n //VTK::DepthPeeling::Impl\n\n //VTK::Picking::Impl\n\n // handle coincident offsets\n //VTK::Coincident::Impl\n\n //VTK::ZBuffer::Impl\n\n //VTK::RenderPassFragmentShader::Impl\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{if(e.replaceShaderTCoord(n,r,o),e.replaceShaderPositionVC(n,r,o),t.haveSeenDepthRequest){let e=n.Fragment;e=Ca.substitute(e,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,e=Ca.substitute(e,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result,n.Fragment=e}e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderTCoord=(e,n,r)=>{let o=e.Vertex;const i=e.Geometry;let a=e.Fragment;const s=t.renderable.getSlabThickness();o=Ca.substitute(o,"//VTK::TCoord::Dec",["uniform mat4 WCTCMatrix;","out vec3 fragTexCoord;"]).result,o=Ca.substitute(o,"//VTK::TCoord::Impl",["fragTexCoord = (WCTCMatrix * vertexWC).xyz;"]).result;const l=t.openGLTexture.getComponents(),u=r.getProperty().getIndependentComponents();let c=["in vec3 fragTexCoord;","uniform highp sampler3D texture1;","uniform mat4 WCTCMatrix;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;"];if(u){for(let e=1;e0&&(c=c.concat(["uniform vec3 spacing;","uniform float slabThickness;","uniform int slabType;","uniform int slabTrapezoid;","uniform vec3 vboScaling;"]),c=c.concat(["vec4 compositeValue(vec4 currVal, vec4 valToComp, int trapezoid)","{"," vec4 retVal = vec4(1.0);"," if (slabType == 0) // min"," {"," retVal = min(currVal, valToComp);"," }"," else if (slabType == 1) // max"," {"," retVal = max(currVal, valToComp);"," }"," else if (slabType == 3) // sum"," {"," retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); "," }"," else // mean"," {"," retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); "," }"," return retVal;","}"])),a=Ca.substitute(a,"//VTK::TCoord::Dec",c).result;let d=["if (any(greaterThan(fragTexCoord, vec3(1.0))) || any(lessThan(fragTexCoord, vec3(0.0))))","{"," // set the background color and exit"," gl_FragData[0] = backgroundColor;"," return;","}","vec4 tvalue = texture(texture1, fragTexCoord);"];if(s>0&&(d=d.concat(["// Get the first and last samples","int numSlices = 1;","float scaling = min(min(spacing.x, spacing.y), spacing.z) * 0.5;","vec3 normalxspacing = scaling * normalWCVSOutput;","float distTraveled = length(normalxspacing);","int trapezoid = 0;","while (distTraveled < slabThickness * 0.5)","{"," distTraveled += length(normalxspacing);"," float fnumSlices = float(numSlices);"," if (distTraveled > slabThickness * 0.5)"," {"," // Before stepping outside the slab, sample at the boundaries"," normalxspacing = normalWCVSOutput * slabThickness * 0.5 / fnumSlices;"," trapezoid = slabTrapezoid;"," }"," vec3 fragTCoordNeg = (WCTCMatrix * vec4(vertexWCVSOutput.xyz - fnumSlices * normalxspacing * vboScaling, 1.0)).xyz;"," if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))"," {"," vec4 newVal = texture(texture1, fragTCoordNeg);"," tvalue = compositeValue(tvalue, newVal, trapezoid);"," numSlices += 1;"," }"," vec3 fragTCoordPos = (WCTCMatrix * vec4(vertexWCVSOutput.xyz + fnumSlices * normalxspacing * vboScaling, 1.0)).xyz;"," if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))"," {"," vec4 newVal = texture(texture1, fragTCoordPos);"," tvalue = compositeValue(tvalue, newVal, trapezoid);"," numSlices += 1;"," }","}","// Finally, if slab type is *mean*, divide the sum by the numSlices","if (slabType == 2)","{"," tvalue = tvalue / float(numSlices);","}"])),u){const e=["r","g","b","a"];for(let t=0;t{let i=n.Vertex;const a=n.Geometry;let s=n.Fragment;const l=t.renderable.getSlabThickness();let u=["attribute vec4 vertexWC;"];u=u.concat([`//${e.getMTime()}${t.resliceGeomUpdateString}`]),l>0&&(u=u.concat(["attribute vec3 normalWC;","varying vec3 normalWCVSOutput;","varying vec4 vertexWCVSOutput;"])),i=Ca.substitute(i,"//VTK::PositionVC::Dec",u).result;let c=["gl_Position = MCPCMatrix * vertexWC;"];l>0&&(c=c.concat(["normalWCVSOutput = normalWC;","vertexWCVSOutput = vertexWC;"])),i=Ca.substitute(i,"//VTK::PositionVC::Impl",c).result,i=Ca.substitute(i,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;","uniform mat4 MCVCMatrix;"]).result;let d=[];l>0&&(d=d.concat(["varying vec3 normalWCVSOutput;","varying vec4 vertexWCVSOutput;"])),s=Ca.substitute(s,"//VTK::PositionVC::Dec",d).result,n.Vertex=i,n.Geometry=a,n.Fragment=s},e.updateResliceGeometry=()=>{let e="";const n=t.currentInput,r=n?.getBounds();let o=!0,a=2;const s=t.renderable.getSlicePolyData(),l=t.renderable.getSlicePlane();if(s)e=e.concat(`PolyData${s.getMTime()}`);else if(l){e=e.concat(`Plane${l.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`));const t=function(e,t,n,r,o,a,s,l,u){var c=new i(9);return c[0]=e,c[1]=void 0,c[2]=void 0,c[3]=void 0,c[4]=void 0,c[5]=void 0,c[6]=void 0,c[7]=void 0,c[8]=void 0,c}(n?.getDirection());se(t,t);const r=[...l.getNormal()];Jt(r,r,t),[o,a]=function(e){Pr.normalize(e);const t=[0,0,0];for(let n=0;n<3;++n){Qt(t),t[n]=1;const r=Pr.dot(e,t);if(r<-.999||r>.999)return[!0,n]}return[!1,2]}(r)}else{const o=Ii.newInstance();o.setNormal(0,0,1);let i=[0,1,0,1,0,1];n&&(i=r),o.setOrigin(i[0],i[2],.5*(i[5]+i[4])),t.renderable.setSlicePlane(o),e=e.concat(`Plane${l?.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`))}if(!t.resliceGeom||t.resliceGeomUpdateString!==e){if(s)t.resliceGeom||(t.resliceGeom=ji.newInstance()),t.resliceGeom.getPoints().setData(s.getPoints().getData(),3),t.resliceGeom.getPolys().setData(s.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(s.getPointData().getNormals());else if(l)if(o){const e=new Float32Array(12),r=n.worldToIndex(l.getOrigin(),[0,0,0]),o=[(a+1)%3,(a+2)%3].sort(),i=n.getDimensions(),s=[0,i[0]-1,0,i[1]-1,0,i[2]-1];let u=0;for(let t=0;t<2;++t)for(let n=0;n<2;++n)e[u+a]=r[a],e[u+o[0]]=s[2*o[0]+n],e[u+o[1]]=s[2*o[1]+t],u+=3;t.transform.setMatrix(n.getIndexToWorld()),t.transform.transformPoints(e,e);const c=new Uint16Array(8);c[0]=3,c[1]=0,c[2]=1,c[3]=3,c[4]=3,c[5]=0,c[6]=3,c[7]=2;const d=l.getNormal();Pr.normalize(d);const p=new Float32Array(12);for(let e=0;e<4;++e)p[3*e]=d[0],p[3*e+1]=d[1],p[3*e+2]=d[2];t.resliceGeom||(t.resliceGeom=ji.newInstance()),t.resliceGeom.getPoints().setData(e,3),t.resliceGeom.getPolys().setData(c,1);const f=Wr.newInstance({numberOfComponents:3,values:p,name:"Normals"});t.resliceGeom.getPointData().setNormals(f)}else{t.outlineFilter.setInputData(n),t.cutter.setInputConnection(t.outlineFilter.getOutputPort()),t.cutter.setCutFunction(l),t.lineToSurfaceFilter.setInputConnection(t.cutter.getOutputPort()),t.lineToSurfaceFilter.update(),t.resliceGeom||(t.resliceGeom=ji.newInstance());const e=t.lineToSurfaceFilter.getOutputData();t.resliceGeom.getPoints().setData(e.getPoints().getData(),3),t.resliceGeom.getPolys().setData(e.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(e.getPointData().getNormals());const r=l.getNormal(),o=t.resliceGeom.getNumberOfPoints();Pr.normalize(r);const i=new Float32Array(3*o);for(let e=0;e{e&&(t.openGLTexture=e,t._externalOpenGLTexture=!0)}}const Es={VBOBuildTime:{},VBOBuildString:null,haveSeenDepthRequest:!1,lastHaveSeenDepthRequest:!1,lastIndependentComponents:!1,lastTextureComponents:0,lastSlabThickness:0,lastSlabTrapezoidIntegration:0,lastSlabType:-1,openGLTexture:null,openGLTextureString:null,colorTextureString:null,pwfTextureString:null,resliceGeom:null,resliceGeomUpdateString:null,tris:null,colorTexture:null,pwfTexture:null,_externalOpenGLTexture:!1,_scalars:null};const Ds=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Es,n),Tt.extend(e,t,n),ms(e,t,n),gs(e,t,n),t.tris=Ra.newInstance(),t.openGLTexture=null,t.colorTexture=null,t.pwfTexture=null,t.VBOBuildTime={},je(t.VBOBuildTime),t.tmpMat4=f(new Float64Array(16)),t.outlineFilter=Ya.newInstance(),t.outlineFilter.setGenerateFaces(!0),t.outlineFilter.setGenerateLines(!1),t.cubePolyData=ji.newInstance(),t.cutter=ea.newInstance(),t.lineToSurfaceFilter=$i.newInstance(),t.transform=_s.newInstance(),He(e,t,["openGLTexture"]),As(e,t)}),"vtkOpenGLImageResliceMapper");Dt("vtkImageResliceMapper",Ds);var Is={SlicingMode:{NONE:-1,I:0,J:1,K:2,X:3,Y:4,Z:5}},Os="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexMC;\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// optional normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// material property values\n//VTK::Color::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// picking support\n//VTK::Picking::Dec\n\nvoid main()\n{\n //VTK::Color::Impl\n\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Clip::Impl\n\n //VTK::PrimID::Impl\n\n //VTK::PositionVC::Impl\n\n //VTK::Light::Impl\n\n //VTK::Picking::Impl\n}\n",Ps="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the polydata mappers fragment shader\n\nuniform int PrimitiveIDOffset;\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// optional color passed in from the vertex shader, vertexColor\n//VTK::Color::Dec\n\n// optional surface normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// Depth Peeling Support\n//VTK::DepthPeeling::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// label outline \n//VTK::LabelOutline::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n//VTK::LabelOutlineHelperFunction\n\nvoid main()\n{\n // VC position of this fragment. This should not branch/return/discard.\n //VTK::PositionVC::Impl\n\n // Place any calls that require uniform flow (e.g. dFdx) here.\n //VTK::UniformFlow::Impl\n\n // Set gl_FragDepth here (gl_FragCoord.z by default)\n //VTK::Depth::Impl\n\n // Early depth peeling abort:\n //VTK::DepthPeeling::PreColor\n\n // Apple Bug\n //VTK::PrimID::Impl\n\n //VTK::Clip::Impl\n\n //VTK::Color::Impl\n\n // Generate the normal if we are not passed in one\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Light::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n\n //VTK::DepthPeeling::Impl\n\n //VTK::Picking::Impl\n\n // handle coincident offsets\n //VTK::Coincident::Impl\n\n //VTK::ZBuffer::Impl\n\n //VTK::RenderPassFragmentShader::Impl\n}\n";const{vtkErrorMacro:Ns}=vt,{SlicingMode:Ms}=Is;function Rs(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function Fs(e){const t=e.split("\n"),n=[];for(let e=0;e0&&n.push(r)}return n}function ks(e,t){t.classHierarchy.push("vtkOpenGLImageMapper"),e.buildPass=n=>{if(n){t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow);const n=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera()),t.renderable.isA("vtkImageMapper")&&t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(n.getActiveCamera())}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.getShaderTemplate=(e,t,n)=>{e.Vertex=Os,e.Fragment=Ps,e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let i=n.Vertex,a=n.Fragment;i=Ca.substitute(i,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,i=Ca.substitute(i,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result,i=Ca.substitute(i,"//VTK::TCoord::Impl","tcoordVCVSOutput = tcoordMC;").result,i=Ca.substitute(i,"//VTK::TCoord::Dec","attribute vec2 tcoordMC; varying vec2 tcoordVCVSOutput;").result;const s=t.openGLTexture.getComponents(),l=o.getProperty().getIndependentComponents();let u=["varying vec2 tcoordVCVSOutput;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D texture1;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform sampler2D labelOutlineTexture1;","uniform float opacity;","uniform float outlineOpacity;"];if(l){for(let e=1;e 0.01) {\n for (int i = -actualThickness; i <= actualThickness; i++) {\n for (int j = -actualThickness; j <= actualThickness; j++) {\n if (i == 0 || j == 0) {\n continue;\n }\n vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n gl_FragCoord.y + float(j),\n gl_FragCoord.z, gl_FragCoord.w);\n vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n float value = texture2D(texture1, neighborPosIS.xy).r;\n if (value != centerValue) {\n pixelOnBorder = true;\n break;\n }\n }\n if (pixelOnBorder == true) {\n break;\n }\n }\n if (pixelOnBorder == true) {\n gl_FragData[0] = vec4(tColor, outlineOpacity);\n }\n else {\n gl_FragData[0] = vec4(tColor, opacityToUse);\n }\n }\n #else\n float intensity = texture2D(texture1, tcoordVCVSOutput).r;\n vec3 tcolor = texture2D(colorTexture1, vec2(intensity * cscale0 + cshift0, 0.5)).rgb;\n float scalarOpacity = texture2D(pwfTexture1, vec2(intensity * pwfscale0 + pwfshift0, 0.5)).r;\n gl_FragData[0] = vec4(tcolor, scalarOpacity * opacity);\n #endif\n ")]).result;break;case 2:a=Ca.substitute(a,"//VTK::TCoord::Impl",["vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);","float intensity = tcolor.r*cscale0 + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(intensity, 0.5)).rgb, pwfscale0*tcolor.g + pwfshift0);"]).result;break;case 3:a=Ca.substitute(a,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, opacity);"]).result;break;default:a=Ca.substitute(a,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, tcolor.a);"]).result}t.haveSeenDepthRequest&&(a=Ca.substitute(a,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,a=Ca.substitute(a,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),n.Vertex=i,n.Fragment=a,e.replaceShaderClip(n,r,o),e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderClip=(e,n,r)=>{let o=e.Vertex,i=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(Ce("OpenGL has a limit of 6 clipping planes"),e=6),o=Ca.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=Ca.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,i=Ca.substitute(i,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,i=Ca.substitute(i,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=i},e.getNeedToRebuildShaders=(e,n,r)=>{const o=t.openGLTexture.getComponents(),i=r.getProperty().getIndependentComponents();let a=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(a=!0),!(!a&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&0!==e.getProgram()?.getHandle()&&t.lastTextureComponents===o&&t.lastIndependentComponents===i||(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=i,0))},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ns("Error setting vertexMC in shader VAO.")),n.getProgram().isAttributeUsed("tcoordMC")&&n.getCABO().getTCoordOffset()&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"tcoordMC",n.getCABO().getTCoordOffset(),n.getCABO().getStride(),t.context.FLOAT,n.getCABO().getTCoordComponents(),t.context.FALSE)||Ns("Error setting tcoordMC in shader VAO.")),n.getAttributeUpdateTime().modified());const i=t.openGLTexture.getTextureUnit();n.getProgram().setUniformi("texture1",i);const a=t.openGLTexture.getComponents(),s=o.getProperty().getIndependentComponents();if(s)for(let e=0;e6&&(Ce("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,i=r?c(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(h(i,i),y(i,i,r),h(i,i)),h(t.imagemat,t.currentInput.getIndexToWorld()),y(t.imagematinv,i,t.imagemat);const a=[];for(let n=0;n{const i=n.getProgram(),a=t.openGLImageSlice.getKeyMatrices(),s=t.currentInput,l=s.getIndexToWorld();y(t.imagemat,a.mcwc,l);const u=t.openGLCamera.getKeyMatrices(r);if(y(t.imagemat,u.wcpc,t.imagemat),n.getCABO().getCoordShiftAndScaleEnabled()){const e=n.getCABO().getInverseShiftAndScaleMatrix();y(t.imagemat,t.imagemat,e)}if(i.setUniformMatrix("MCPCMatrix",t.imagemat),!0===o.getProperty().getUseLabelOutline()){const n=s.getWorldToIndex(),o=s.getDimensions();i.setUniform3i("imageDimensions",o[0],o[1],1),i.setUniformMatrix("vWCtoIDX",n);const a=t.openGLCamera.getKeyMatrices(r);m(t.projectionToWorld,a.wcpc),t.openGLCamera.getKeyMatrices(r),i.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const l=e.getRenderTargetSize();i.setUniformf("vpWidth",l[0]),i.setUniformf("vpHeight",l[1]);const u=e.getRenderTargetOffset();i.setUniformf("vpOffsetX",u[0]/l[0]),i.setUniformf("vpOffsetY",u[1]/l[1])}},e.setPropertyShaderParameters=(e,t,n)=>{const r=e.getProgram(),o=n.getProperty().getOpacity();r.setUniformf("opacity",o)},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),t.labelOutlineThicknessTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),t.labelOutlineThicknessTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getCurrentImage(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):Ns("No input!")},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():yr(t.bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const o=t.currentInput;if(!o)return;const i=o.getPointData()&&o.getPointData().getScalars();if(!i)return;const a=i.getDataType(),s=i.getNumberOfComponents(),l=r.getProperty(),u=l.getInterpolationType(),c=l.getIndependentComponents(),d=c?s:1,p=c?2*d:1,f=l.getRGBTransferFunction(),h=Rs(l,f,d),m=t._openGLRenderWindow.getGraphicsResourceForObject(f);if(m?.vtkObj&&m?.hash===h&&t.colorTextureString===h)t.colorTexture=m.vtkObj,t.colorTextureString=m.hash;else{const e=1024,n=new Uint8Array(e*p*3);if(t.colorTexture||(t.colorTexture=hs.newInstance({resizable:!0}),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow)),u===Ts?(t.colorTexture.setMinificationFilter(Qa.NEAREST),t.colorTexture.setMagnificationFilter(Qa.NEAREST)):(t.colorTexture.setMinificationFilter(Qa.LINEAR),t.colorTexture.setMagnificationFilter(Qa.LINEAR)),f){const r=new Float32Array(3*e);for(let t=0;t1?1:0;const d=[Ms.X,Ms.Y,Ms.Z].includes(t.renderable.getSlicingMode())?x:_,p=o.getSpatialExtent(),f=i.getData();let h=null;if(b===Ms.I){h=new f.constructor(e[2]*e[1]*s);let t=0;for(let n=0;n{t.labelOutlineThicknessTexture||(t.labelOutlineThicknessTexture=hs.newInstance({resizable:!1}),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow));const n=e.getProperty().getLabelOutlineThickness(),r=t._openGLRenderWindow.getGraphicsResourceForObject(n),o=`${n.join("-")}`;if(r?.vtkObj&&r?.hash===o&&t.labelOutlineThicknessTextureString===o)t.labelOutlineThicknessTexture=r.vtkObj,t.labelOutlineThicknessTextureString=r.hash;else{const e=1024,r=1,i=new Uint8Array(e*r);for(let t=0;t{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]}}const Ls={VBOBuildTime:0,VBOBuildString:null,openGLTexture:null,tris:null,imagemat:null,imagematinv:null,colorTexture:null,pwfTexture:null,labelOutlineThicknessTexture:null,labelOutlineThicknessTextureString:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,_scalars:null};const Bs=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ls,n),Tt.extend(e,t,n),ms(e,t,n),gs(e,t,n),t.tris=Ra.newInstance(),t.imagemat=f(new Float64Array(16)),t.imagematinv=f(new Float64Array(16)),t.projectionToWorld=f(new Float64Array(16)),t.idxToView=f(new Float64Array(16)),t.idxNormalMatrix=ae(new Float64Array(9)),t.modelToView=f(new Float64Array(16)),t.projectionToView=f(new Float64Array(16)),$e(e,t,[]),t.VBOBuildTime={},je(t.VBOBuildTime),ks(e,t)}),"vtkOpenGLImageMapper");Dt("vtkAbstractImageMapper",Bs);const{vtkErrorMacro:Vs}=gt;function Us(e,t,n){if(t.apply(e)){const t=e.getIndependentComponents();return`${e.getMTime()}-${t}-${n}`}return"0"}function Gs(e,t){t.classHierarchy.push("vtkOpenGLImageCPRMapper"),e.buildPass=n=>{n&&(t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.openGLCamera=t._openGLRenderer.getViewNodeFor(t._openGLRenderer.getRenderable().getActiveCamera()),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.volumeTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.pwfTexture.setOpenGLRenderWindow(t._openGLRenderWindow))},e.opaquePass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.opaqueZBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),e.invokeEvent({type:"EndEvent"}),t.renderable.preRenderCheck()&&(t.currentImageDataInput=t.renderable.getInputData(0),t.currentCenterlineInput=t.renderable.getOrientedCenterline(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r))},e.renderPieceStart=(t,n)=>{e.updateBufferObjects(t,n)},e.renderPieceDraw=(n,r)=>{const o=t.context;t.volumeTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.volumeTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>{const o=t.VBOBuildTime.getMTime();return o{const r=t.currentImageDataInput,o=t.currentCenterlineInput;n.getProperty().getInterpolationType()===Ts?(t.volumeTexture.setMinificationFilter(Qa.NEAREST),t.volumeTexture.setMagnificationFilter(Qa.NEAREST),t.colorTexture.setMinificationFilter(Qa.NEAREST),t.colorTexture.setMagnificationFilter(Qa.NEAREST),t.pwfTexture.setMinificationFilter(Qa.NEAREST),t.pwfTexture.setMagnificationFilter(Qa.NEAREST)):(t.volumeTexture.setMinificationFilter(Qa.LINEAR),t.volumeTexture.setMagnificationFilter(Qa.LINEAR),t.colorTexture.setMinificationFilter(Qa.LINEAR),t.colorTexture.setMagnificationFilter(Qa.LINEAR),t.pwfTexture.setMinificationFilter(Qa.LINEAR),t.pwfTexture.setMagnificationFilter(Qa.LINEAR));const i=r.getMTime();if(t.volumeTextureTime!==i){const e=r.getDimensions(),n=r.getPointData().getScalars();if(!n)return;t.volumeTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.volumeTexture.releaseGraphicsResources(t._openGLRenderWindow),t.volumeTexture.resetFormatAndType(),t.volumeTexture.create3DFilterableFromRaw(e[0],e[1],e[2],n.getNumberOfComponents(),n.getDataType(),n.getData(),t.renderable.getPreferSizeOverAccuracy()),t.volumeTextureTime=i}const a=r.getPointData()&&r.getPointData().getScalars();if(!a)return;const s=a.getNumberOfComponents(),l=n.getProperty(),u=l.getIndependentComponents(),c=u?s:1,d=u?2*c:1,p=Us(l,l.getRGBTransferFunction,c);if(t.colorTextureString!==p){const e=1024,n=new Uint8Array(e*d*3);let r=l.getRGBTransferFunction();if(r){const o=new Float32Array(3*e);for(let t=0;t{const o=t.volumeTexture.getComponents(),i=r.getProperty().getIndependentComponents(),a=!!t.renderable.getCenterPoint(),s=t.renderable.getUseUniformOrientation();return(0===e.getProgram()||t.lastUseCenterPoint!==a||t.lastUseUniformOrientation!==s||t.lastHaveSeenDepthRequest!==t.haveSeenDepthRequest||t.lastTextureComponents!==o||t.lastIndependentComponents!==i)&&(t.lastUseCenterPoint=a,t.lastUseUniformOrientation=s,t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=i,!0)},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.replaceShaderValues=(n,r,o)=>{let i=n.Vertex,a=n.Fragment;i=Ca.substitute(i,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,i=Ca.substitute(i,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result;const s=["attribute vec3 centerlinePosition;","attribute float quadIndex;","uniform float width;","out vec2 quadOffsetVSOutput;","out vec3 centerlinePosVSOutput;"],l=t.renderable.getUseUniformOrientation();l?s.push("out vec3 centerlineDirVSOutput;","uniform vec3 centerlineDirection;"):s.push("out vec3 centerlineTopDirVSOutput;","out vec3 centerlineBotDirVSOutput;","out float centerlineAngleVSOutput;","attribute vec3 centerlineTopDirection;","attribute vec3 centerlineBotDirection;"),i=Ca.substitute(i,"//VTK::Color::Dec",s).result;const u=["quadOffsetVSOutput = vec2(width * (mod(quadIndex, 2.0) == 0.0 ? -0.5 : 0.5), quadIndex > 1.0 ? 0.0 : 1.0);","centerlinePosVSOutput = centerlinePosition;"];l?u.push("centerlineDirVSOutput = centerlineDirection;"):u.push("vec3 sumVec = centerlineTopDirection + centerlineBotDirection;","float sumLen2 = dot(sumVec, sumVec);","float diffLen2 = 4.0 - sumLen2;","if (diffLen2 < 0.001) {"," // vectors are too close to each other, use lerp"," centerlineAngleVSOutput = -1.0; // use negative angle as a flag for lerp"," centerlineTopDirVSOutput = centerlineTopDirection;"," centerlineBotDirVSOutput = centerlineBotDirection;","} else if (sumLen2 == 0.0) {"," // vector are opposite to each other, don't make a choice for the user"," // use slerp without direction, it will display the centerline color on each row of pixel"," centerlineAngleVSOutput = 0.0;"," centerlineTopDirVSOutput = vec3(0.0);"," centerlineBotDirVSOutput = vec3(0.0);","} else {"," // use slerp"," centerlineAngleVSOutput = 2.0 * atan(sqrt(diffLen2/sumLen2));"," float sinAngle = sin(centerlineAngleVSOutput);"," centerlineTopDirVSOutput = centerlineTopDirection / sinAngle;"," centerlineBotDirVSOutput = centerlineBotDirection / sinAngle;","}"),i=Ca.substitute(i,"//VTK::Color::Impl",u).result;const c=t.volumeTexture.getComponents(),d=o.getProperty().getIndependentComponents();let p=["uniform mat4 MCTCMatrix; // Model coordinates to texture coordinates","in vec2 quadOffsetVSOutput;","in vec3 centerlinePosVSOutput;","uniform highp sampler3D volumeTexture;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;"];l?p.push("in vec3 centerlineDirVSOutput;"):p.push("in vec3 centerlineTopDirVSOutput;","in vec3 centerlineBotDirVSOutput;","in float centerlineAngleVSOutput;");const f=t.renderable.getCenterPoint();if(f&&p.push("uniform vec3 globalCenterPoint;"),d){for(let e=1;e{let o=e.Vertex,i=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(gt.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6),o=Ca.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=Ca.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,i=Ca.substitute(i,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,i=Ca.substitute(i,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=i},e.getShaderTemplate=(e,t,n)=>{e.Vertex=Os,e.Fragment=Ps,e.Geometry=""},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Vs("Error setting vertexMC in shader VAO.")),n.getCABO().getCustomData().forEach((e=>{e&&n.getProgram().isAttributeUsed(e.name)&&!n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),e.name,e.offset,n.getCABO().getStride(),t.context.FLOAT,e.components,t.context.FALSE)&&Vs(`Error setting ${e.name} in shader VAO.`)})),n.getAttributeUpdateTime().modified());const i=t.volumeTexture.getTextureUnit();if(n.getProgram().setUniformi("volumeTexture",i),n.getProgram().setUniformf("width",t.renderable.getWidth()),n.getProgram().setUniform4f("backgroundColor",...t.renderable.getBackgroundColor()),n.getProgram().isUniformUsed("centerlineDirection")){const e=t.renderable.getUniformDirection();n.getProgram().setUniform3fArray("centerlineDirection",e)}if(n.getProgram().isUniformUsed("globalCenterPoint")){const e=t.renderable.getCenterPoint();n.getProgram().setUniform3fArray("globalCenterPoint",e)}const a=t.currentImageDataInput,s=a.getWorldToIndex(),l=A(new Float32Array(16),Xt([],a.getDimensions())),u=re(l,l,s);if(n.getProgram().setUniformMatrix("MCTCMatrix",u),t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(gt.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,i=r?c(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(h(i,i),y(i,i,r),h(i,i)),h(t.imagemat,t.currentImageDataInput.getIndexToWorld()),y(t.imagematinv,i,t.imagemat);const a=[];for(let n=0;n{const o=t.openGLImageSlice.getKeyMatrices().mcwc,i=t.openGLCamera.getKeyMatrices(n).wcpc;if(y(t.imagemat,i,o),e.getCABO().getCoordShiftAndScaleEnabled()){const n=e.getCABO().getInverseShiftAndScaleMatrix();y(t.imagemat,t.imagemat,n)}e.getProgram().setUniformMatrix("MCPCMatrix",t.imagemat)},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),i=r.getProperty(),a=i.getOpacity();o.setUniformf("opacity",a);const s=t.volumeTexture.getComponents(),l=i.getIndependentComponents();if(l)for(let e=0;e{if(e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)}}const zs={currentRenderPass:null,volumeTexture:null,volumeTextureTime:0,colorTexture:null,colorTextureString:null,pwfTexture:null,pwfTextureString:null,tris:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,lastIndependentComponents:0,imagemat:null,imagematinv:null};const js=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,zs,n),Tt.extend(e,t,n),ms(e,t,n),gt.algo(e,t,2,0),t.tris=Ra.newInstance(),t.volumeTexture=hs.newInstance(),t.colorTexture=hs.newInstance(),t.pwfTexture=hs.newInstance(),t.imagemat=f(new Float64Array(16)),t.imagematinv=f(new Float64Array(16)),t.VBOBuildTime={},gt.obj(t.VBOBuildTime,{mtime:0}),Gs(e,t)}),"vtkOpenGLImageCPRMapper");function Ws(e,t){t.classHierarchy.push("vtkOpenGLImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes()}},e.traverseZBufferPass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseOpaqueZBufferPass=t=>e.traverseOpaquePass(t),e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t._openGLRenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.zBufferPass=(t,n)=>e.opaquePass(t,n),e.opaqueZBufferPass=(t,n)=>e.opaquePass(t,n),e.opaquePass=(e,n)=>{e&&t.context.depthMask(!0)},e.translucentPass=(e,n)=>{t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(c(t.keyMatrices.mcwc,t.renderable.getMatrix()),h(t.keyMatrices.mcwc,t.keyMatrices.mcwc),t.keyMatrixTime.modified()),t.keyMatrices)}Dt("vtkImageCPRMapper",js);const Hs={context:null,keyMatrixTime:null,keyMatrices:null};const Xs=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Hs,n),Tt.extend(e,t,n),t.keyMatrixTime={},je(t.keyMatrixTime,{mtime:0}),t.keyMatrices={mcwc:f(new Float64Array(16))},$e(e,t,["context"]),Ws(e,t)}),"vtkOpenGLImageSlice");function Ks(e,t){t.classHierarchy.push("vtkOpenGLVolume"),e.buildPass=n=>{t.renderable&&t.renderable.getVisibility()&&n&&(t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes())},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;n.incrementVolumeCount()}},e.traverseVolumePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children[0].traverse(n),e.apply(n,!1))},e.volumePass=e=>{t.renderable&&t.renderable.getVisibility()&&t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(t.renderable.computeMatrix(),c(t.MCWCMatrix,t.renderable.getMatrix()),h(t.MCWCMatrix,t.MCWCMatrix),t.renderable.getIsIdentity()?ae(t.normalMatrix):(ie(t.normalMatrix,t.MCWCMatrix),se(t.normalMatrix,t.normalMatrix),function(e,t){if(e===t){var n=t[1],r=t[2],o=t[5];e[1]=t[3],e[2]=t[6],e[3]=n,e[5]=t[7],e[6]=r,e[7]=o}else e[0]=t[0],e[1]=t[3],e[2]=t[6],e[3]=t[1],e[4]=t[4],e[5]=t[7],e[6]=t[2],e[7]=t[5],e[8]=t[8]}(t.normalMatrix,t.normalMatrix)),t.keyMatrixTime.modified()),{mcwc:t.MCWCMatrix,normalMatrix:t.normalMatrix})}Dt("vtkImageSlice",Xs);const qs={};const $s=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,qs,n),Tt.extend(e,t,n),t.keyMatrixTime={},je(t.keyMatrixTime,{mtime:0}),t.normalMatrix=new Float64Array(9),t.MCWCMatrix=new Float64Array(16),$e(e,t,["context"]),Ks(e,t)}),"vtkOpenGLVolume");function Ys(e,t){t.classHierarchy.push("vtkFramebuffer"),e.getBothMode=()=>t.context.FRAMEBUFFER,e.saveCurrentBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.saveCurrentBindings(n),e.saveCurrentBuffers(n)},e.saveCurrentBindings=e=>{if(!t.context)return void Ce("you must set the OpenGLRenderWindow before calling saveCurrentBindings");const n=t.context;t.previousDrawBinding=n.getParameter(t.context.FRAMEBUFFER_BINDING),t.previousActiveFramebuffer=t._openGLRenderWindow.getActiveFramebuffer()},e.saveCurrentBuffers=e=>{},e.restorePreviousBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.restorePreviousBindings(n),e.restorePreviousBuffers(n)},e.restorePreviousBindings=e=>{if(!t.context)return void Ce("you must set the OpenGLRenderWindow before calling restorePreviousBindings");const n=t.context;n.bindFramebuffer(n.FRAMEBUFFER,t.previousDrawBinding),t._openGLRenderWindow.setActiveFramebuffer(t.previousActiveFramebuffer)},e.restorePreviousBuffers=e=>{},e.bind=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,r=n;null===r&&(r=t.context.FRAMEBUFFER),t.context.bindFramebuffer(r,t.glFramebuffer);for(let e=0;e{t.context?(t.glFramebuffer=t.context.createFramebuffer(),t.glFramebuffer.width=e,t.glFramebuffer.height=n):Ce("you must set the OpenGLRenderWindow before calling create")},e.setColorBuffer=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const r=t.context;if(!r)return void Ce("you must set the OpenGLRenderWindow before calling setColorBuffer");let o=r.COLOR_ATTACHMENT0;if(n>0){if(!t._openGLRenderWindow.getWebgl2())return void Ce("Using multiple framebuffer attachments requires WebGL 2");o+=n}t.colorBuffers[n]=e,r.framebufferTexture2D(r.FRAMEBUFFER,o,r.TEXTURE_2D,e.getHandle(),0)},e.removeColorBuffer=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;const n=t.context;if(!n)return void Ce("you must set the OpenGLRenderWindow before calling removeColorBuffer");let r=n.COLOR_ATTACHMENT0;if(e>0){if(!t._openGLRenderWindow.getWebgl2())return void Ce("Using multiple framebuffer attachments requires WebGL 2");r+=e}n.framebufferTexture2D(n.FRAMEBUFFER,r,n.TEXTURE_2D,null,0),t.colorBuffers=t.colorBuffers.splice(e,1)},e.setDepthBuffer=e=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const n=t.context;n.framebufferTexture2D(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.TEXTURE_2D,e.getHandle(),0)}else Ce("Attaching depth buffer textures to fbo requires WebGL 2");else Ce("you must set the OpenGLRenderWindow before calling setDepthBuffer")},e.removeDepthBuffer=()=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const e=t.context;e.framebufferTexture2D(e.FRAMEBUFFER,e.DEPTH_ATTACHMENT,e.TEXTURE_2D,null,0)}else Ce("Attaching depth buffer textures to framebuffers requires WebGL 2");else Ce("you must set the OpenGLRenderWindow before calling removeDepthBuffer")},e.getGLFramebuffer=()=>t.glFramebuffer,e.setOpenGLRenderWindow=n=>{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.releaseGraphicsResources=()=>{t.glFramebuffer&&t.context.deleteFramebuffer(t.glFramebuffer)},e.getSize=()=>{const e=[0,0];return null!==t.glFramebuffer&&(e[0]=t.glFramebuffer.width,e[1]=t.glFramebuffer.height),e},e.populateFramebuffer=()=>{if(!t.context)return void Ce("you must set the OpenGLRenderWindow before calling populateFrameBuffer");e.bind();const n=t.context,r=hs.newInstance();r.setOpenGLRenderWindow(t._openGLRenderWindow),r.setMinificationFilter(Qa.LINEAR),r.setMagnificationFilter(Qa.LINEAR),r.create2DFromRaw(t.glFramebuffer.width,t.glFramebuffer.height,4,on.UNSIGNED_CHAR,null),e.setColorBuffer(r),t.depthTexture=n.createRenderbuffer(),n.bindRenderbuffer(n.RENDERBUFFER,t.depthTexture),n.renderbufferStorage(n.RENDERBUFFER,n.DEPTH_COMPONENT16,t.glFramebuffer.width,t.glFramebuffer.height),n.framebufferRenderbuffer(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.RENDERBUFFER,t.depthTexture)},e.getColorTexture=()=>t.colorBuffers[0]}Dt("vtkVolume",$s);const Js={glFramebuffer:null,colorBuffers:null,depthTexture:null,previousDrawBinding:0,previousReadBinding:0,previousDrawBuffer:0,previousReadBuffer:0,previousActiveFramebuffer:null};function Qs(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Js,n),je(e,t),t.colorBuffers&&Ce("you cannot initialize colorBuffers through the constructor. You should call setColorBuffer() instead."),t.colorBuffers=[],Ye(e,t,["colorBuffers"]),Ys(e,t)}var Zs={newInstance:rt(Qs,"vtkFramebuffer"),extend:Qs};const el={NEAREST:0,LINEAR:1,FAST_LINEAR:2},tl={FRACTIONAL:0,PROPORTIONAL:1};var nl={InterpolationType:el,OpacityMode:tl};const rl={COMPOSITE_BLEND:0,MAXIMUM_INTENSITY_BLEND:1,MINIMUM_INTENSITY_BLEND:2,AVERAGE_INTENSITY_BLEND:3,ADDITIVE_INTENSITY_BLEND:4,RADON_TRANSFORM_BLEND:5};var ol={BlendMode:rl,FilterMode:{OFF:0,NORMALIZED:1,RAW:2}};const{vtkWarningMacro:il,vtkErrorMacro:al}=vt;function sl(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function ll(e,t){t.classHierarchy.push("vtkOpenGLVolumeMapper"),e.buildPass=()=>{t.zBufferTexture=null},e.zBufferPass=(e,n)=>{if(e){const e=n.getZBufferTexture();e!==t.zBufferTexture&&(t.zBufferTexture=e)}},e.opaqueZBufferPass=(t,n)=>e.zBufferPass(t,n),e.volumePass=(n,r)=>{if(n){t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.jitterTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.scalarTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.opacityTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.openGLVolume=e.getFirstAncestorOfType("vtkOpenGLVolume");const n=t.openGLVolume.getRenderable();t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const r=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(r.getActiveCamera()),e.renderPiece(r,n)}},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexDC;\n\nvarying vec3 vertexVCVSOutput;\nuniform mat4 PCVCMatrix;\n\nuniform float dcxmin;\nuniform float dcxmax;\nuniform float dcymin;\nuniform float dcymax;\n\nvoid main()\n{\n // dcsmall is the device coords reduced to the\n // x y area covered by the volume\n vec4 dcsmall = vec4(\n dcxmin + 0.5 * (vertexDC.x + 1.0) * (dcxmax - dcxmin),\n dcymin + 0.5 * (vertexDC.y + 1.0) * (dcymax - dcymin),\n vertexDC.z,\n vertexDC.w);\n vec4 vcpos = PCVCMatrix * dcsmall;\n vertexVCVSOutput = vcpos.xyz/vcpos.w;\n gl_Position = dcsmall;\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkVolumeFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the volume mappers fragment shader\n\n// the output of this shader\n//VTK::Output::Dec\n\nvarying vec3 vertexVCVSOutput;\n\n// first declare the settings from the mapper\n// that impact the code paths in here\n\n// always set vtkNumComponents 1,2,3,4\n//VTK::NumComponents\n\n// possibly define vtkTrilinearOn\n//VTK::TrilinearOn\n\n// possibly define vtkIndependentComponents\n//VTK::IndependentComponentsOn\n\n// possibly define any \"proportional\" components\n//VTK::vtkProportionalComponents\n\n// Define the blend mode to use\n#define vtkBlendMode //VTK::BlendMode\n\n// Possibly define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n#ifdef vtkImageLabelOutlineOn\n\nuniform float outlineOpacity;\nuniform float vpWidth;\nuniform float vpHeight;\nuniform float vpOffsetX;\nuniform float vpOffsetY;\nuniform mat4 PCWCMatrix;\nuniform mat4 vWCtoIDX;\n#endif\n\n// define vtkLightComplexity\n//VTK::LightComplexity\n#if vtkLightComplexity > 0\nuniform float vSpecularPower;\nuniform float vAmbient;\nuniform float vDiffuse;\nuniform float vSpecular;\n//VTK::Light::Dec\n#endif\n\n//VTK::VolumeShadowOn\n//VTK::SurfaceShadowOn\n//VTK::localAmbientOcclusionOn\n//VTK::LAO::Dec\n//VTK::VolumeShadow::Dec\n\n// define vtkComputeNormalFromOpacity\n//VTK::vtkComputeNormalFromOpacity\n\n// possibly define vtkGradientOpacityOn\n//VTK::GradientOpacityOn\n#ifdef vtkGradientOpacityOn\nuniform float goscale0;\nuniform float goshift0;\nuniform float gomin0;\nuniform float gomax0;\n#if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\nuniform float goscale1;\nuniform float goshift1;\nuniform float gomin1;\nuniform float gomax1;\n#if vtkNumComponents >= 3\nuniform float goscale2;\nuniform float goshift2;\nuniform float gomin2;\nuniform float gomax2;\n#endif\n#if vtkNumComponents >= 4\nuniform float goscale3;\nuniform float goshift3;\nuniform float gomin3;\nuniform float gomax3;\n#endif\n#endif\n#endif\n\n// if you want to see the raw tiled\n// data in webgl1 uncomment the following line\n// #define debugtile\n\n// camera values\nuniform float camThick;\nuniform float camNear;\nuniform float camFar;\nuniform int cameraParallel;\n\n// values describing the volume geometry\nuniform vec3 vOriginVC;\nuniform vec3 vSpacing;\nuniform ivec3 volumeDimensions; // 3d texture dimensions\nuniform vec3 vPlaneNormal0;\nuniform float vPlaneDistance0;\nuniform vec3 vPlaneNormal1;\nuniform float vPlaneDistance1;\nuniform vec3 vPlaneNormal2;\nuniform float vPlaneDistance2;\nuniform vec3 vPlaneNormal3;\nuniform float vPlaneDistance3;\nuniform vec3 vPlaneNormal4;\nuniform float vPlaneDistance4;\nuniform vec3 vPlaneNormal5;\nuniform float vPlaneDistance5;\n\n//VTK::ClipPlane::Dec\n\n// opacity and color textures\nuniform sampler2D otexture;\nuniform float oshift0;\nuniform float oscale0;\nuniform sampler2D ctexture;\nuniform float cshift0;\nuniform float cscale0;\n\n// jitter texture\nuniform sampler2D jtexture;\nuniform sampler2D ttexture;\n\n\n// some 3D texture values\nuniform float sampleDistance;\nuniform vec3 vVCToIJK;\n\n// the heights defined below are the locations\n// for the up to four components of the tfuns\n// the tfuns have a height of 2XnumComps pixels so the\n// values are computed to hit the middle of the two rows\n// for that component\n#ifdef vtkIndependentComponentsOn\n#if vtkNumComponents == 2\nuniform float mix0;\nuniform float mix1;\n#define height0 0.25\n#define height1 0.75\n#endif\n#if vtkNumComponents == 3\nuniform float mix0;\nuniform float mix1;\nuniform float mix2;\n#define height0 0.17\n#define height1 0.5\n#define height2 0.83\n#endif\n#if vtkNumComponents == 4\nuniform float mix0;\nuniform float mix1;\nuniform float mix2;\nuniform float mix3;\n#define height0 0.125\n#define height1 0.375\n#define height2 0.625\n#define height3 0.875\n#endif\n#endif\n\n#if vtkNumComponents >= 2\nuniform float oshift1;\nuniform float oscale1;\nuniform float cshift1;\nuniform float cscale1;\n#endif\n#if vtkNumComponents >= 3\nuniform float oshift2;\nuniform float oscale2;\nuniform float cshift2;\nuniform float cscale2;\n#endif\n#if vtkNumComponents >= 4\nuniform float oshift3;\nuniform float oscale3;\nuniform float cshift3;\nuniform float cscale3;\n#endif\n\nuniform vec4 ipScalarRangeMin;\nuniform vec4 ipScalarRangeMax;\n\n// declaration for intermixed geometry\n//VTK::ZBuffer::Dec\n\n//=======================================================================\n// global and custom variables (a temporary section before photorealistics rendering module is complete)\nvec3 rayDirVC;\nfloat sampleDistanceISVS;\nfloat sampleDistanceIS;\n\n#define SQRT3 1.7321\n#define INV4PI 0.0796\n#define EPSILON 0.001\n#define PI 3.1415\n#define PI2 9.8696\n\n//=======================================================================\n// Webgl2 specific version of functions\n#if __VERSION__ == 300\n\nuniform highp sampler3D texture1;\n\nvec4 getTextureValue(vec3 pos)\n{\n vec4 tmp = texture(texture1, pos);\n#if vtkNumComponents == 1\n tmp.a = tmp.r;\n#endif\n#if vtkNumComponents == 2\n tmp.a = tmp.g;\n#endif\n#if vtkNumComponents == 3\n tmp.a = length(tmp.rgb);\n#endif\n return tmp;\n}\n\n//=======================================================================\n// WebGL1 specific version of functions\n#else\n\nuniform sampler2D texture1;\n\nuniform float texWidth;\nuniform float texHeight;\nuniform int xreps;\nuniform int xstride;\nuniform int ystride;\n\n// if computing trilinear values from multiple z slices\n#ifdef vtkTrilinearOn\nvec4 getTextureValue(vec3 ijk)\n{\n float zoff = 1.0/float(volumeDimensions.z);\n vec4 val1 = getOneTextureValue(ijk);\n vec4 val2 = getOneTextureValue(vec3(ijk.xy, ijk.z + zoff));\n\n float indexZ = float(volumeDimensions)*ijk.z;\n float zmix = indexZ - floor(indexZ);\n\n return mix(val1, val2, zmix);\n}\n\nvec4 getOneTextureValue(vec3 ijk)\n#else // nearest or fast linear\nvec4 getTextureValue(vec3 ijk)\n#endif\n{\n vec3 tdims = vec3(volumeDimensions);\n\n#ifdef debugtile\n vec2 tpos = vec2(ijk.x, ijk.y);\n vec4 tmp = texture2D(texture1, tpos);\n tmp.a = 1.0;\n\n#else\n int z = int(ijk.z * tdims.z);\n int yz = z / xreps;\n int xz = z - yz*xreps;\n\n int tileWidth = volumeDimensions.x/xstride;\n int tileHeight = volumeDimensions.y/ystride;\n\n xz *= tileWidth;\n yz *= tileHeight;\n\n float ni = float(xz) + (ijk.x*float(tileWidth));\n float nj = float(yz) + (ijk.y*float(tileHeight));\n\n vec2 tpos = vec2(ni/texWidth, nj/texHeight);\n\n vec4 tmp = texture2D(texture1, tpos);\n\n#if vtkNumComponents == 1\n tmp.a = tmp.r;\n#endif\n#if vtkNumComponents == 2\n tmp.g = tmp.a;\n#endif\n#if vtkNumComponents == 3\n tmp.a = length(tmp.rgb);\n#endif\n#endif\n\n return tmp;\n}\n\n// End of Webgl1 specific code\n//=======================================================================\n#endif\n\n//=======================================================================\n// transformation between VC and IS space\n\n// convert vector position from idx to vc\n#if (vtkLightComplexity > 0) || (defined vtkClippingPlanesOn)\nvec3 IStoVC(vec3 posIS){\n vec3 posVC = posIS / vVCToIJK;\n return posVC.x * vPlaneNormal0 +\n posVC.y * vPlaneNormal2 +\n posVC.z * vPlaneNormal4 +\n vOriginVC;\n}\n\n// convert vector position from vc to idx\nvec3 VCtoIS(vec3 posVC){\n posVC = posVC - vOriginVC;\n posVC = vec3(\n dot(posVC, vPlaneNormal0),\n dot(posVC, vPlaneNormal2),\n dot(posVC, vPlaneNormal4));\n return posVC * vVCToIJK;\n}\n#endif\n\n//Rotate vector to view coordinate\n#if (vtkLightComplexity > 0) || (defined vtkGradientOpacityOn)\nvoid rotateToViewCoord(inout vec3 dirIS){\n dirIS.xyz =\n dirIS.x * vPlaneNormal0 +\n dirIS.y * vPlaneNormal2 +\n dirIS.z * vPlaneNormal4;\n}\n\n//Rotate vector to idx coordinate\nvec3 rotateToIDX(vec3 dirVC){\n vec3 dirIS;\n dirIS.xyz = vec3(\n dot(dirVC, vPlaneNormal0),\n dot(dirVC, vPlaneNormal2),\n dot(dirVC, vPlaneNormal4));\n return dirIS;\n}\n#endif\n\n//=======================================================================\n// Given a normal compute the gradient opacity factors\nfloat computeGradientOpacityFactor(\n float normalMag, float goscale, float goshift, float gomin, float gomax)\n{\n#if defined(vtkGradientOpacityOn)\n return clamp(normalMag * goscale + goshift, gomin, gomax);\n#else\n return 1.0;\n#endif\n}\n\n//=======================================================================\n// compute the normal and gradient magnitude for a position, uses forward difference\n#if (vtkLightComplexity > 0) || (defined vtkGradientOpacityOn)\n#ifdef vtkClippingPlanesOn\n void adjustClippedVoxelValues(vec3 pos, vec3 texPos[3], inout vec3 g1)\n {\n vec3 g1VC[3];\n for (int i = 0; i < 3; ++i)\n {\n g1VC[i] = IStoVC(texPos[i]);\n }\n vec3 posVC = IStoVC(pos);\n for (int i = 0; i < clip_numPlanes; ++i)\n {\n for (int j = 0; j < 3; ++j)\n {\n if(dot(vec3(vClipPlaneOrigins[i] - g1VC[j].xyz), vClipPlaneNormals[i]) > 0.0)\n {\n g1[j] = 0.0;\n }\n }\n }\n }\n#endif\n\n #ifdef vtkComputeNormalFromOpacity\n #ifdef vtkGradientOpacityOn\n vec4 computeDensityNormal(float gradientMag, vec3 scalarInterp[2])\n {\n #else\n //if gradient opacity not on but using density gradient\n vec4 computeDensityNormal(vec3 scalarInterp[2])\n {\n #endif\n vec3 opacityG1, opacityG2;\n opacityG1.x = texture2D(otexture, vec2(scalarInterp[0].x * oscale0 + oshift0, 0.5)).r;\n opacityG1.y = texture2D(otexture, vec2(scalarInterp[0].y * oscale0 + oshift0, 0.5)).r;\n opacityG1.z = texture2D(otexture, vec2(scalarInterp[0].z * oscale0 + oshift0, 0.5)).r;\n opacityG2.x = texture2D(otexture, vec2(scalarInterp[1].x * oscale0 + oshift0, 0.5)).r;\n opacityG2.y = texture2D(otexture, vec2(scalarInterp[1].y * oscale0 + oshift0, 0.5)).r;\n opacityG2.z = texture2D(otexture, vec2(scalarInterp[1].z * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n float gradOpacityFactor = 1.0f;\n if (gradientMag >= 0.0){\n gradOpacityFactor = computeGradientOpacityFactor(gradientMag, goscale0, goshift0, gomin0, gomax0);\n }\n opacityG1.xyz *= gradOpacityFactor;\n opacityG2.xyz *= gradOpacityFactor;\n #endif\n\n vec4 opacityG = vec4(opacityG1 - opacityG2, 1.0f);\n // divide by spacing\n opacityG.xyz /= vSpacing;\n opacityG.w = length(opacityG.xyz);\n // rotate to View Coords\n rotateToViewCoord(opacityG.xyz);\n if (length(opacityG.xyz) > 0.0) {\n return vec4(normalize(opacityG.xyz),opacityG.w);\n } else {\n return vec4(0.0);\n }\n }\n\n vec4 computeNormalForDensity(vec3 pos, vec3 tstep, out vec3 scalarInterp[2])\n {\n vec3 xvec = vec3(tstep.x, 0.0, 0.0);\n vec3 yvec = vec3(0.0, tstep.y, 0.0);\n vec3 zvec = vec3(0.0, 0.0, tstep.z);\n vec3 texPosPVec[3];\n texPosPVec[0] = pos + xvec;\n texPosPVec[1] = pos + yvec;\n texPosPVec[2] = pos + zvec;\n vec3 texPosNVec[3];\n texPosNVec[0] = pos - xvec;\n texPosNVec[1] = pos - yvec;\n texPosNVec[2] = pos - zvec;\n vec3 g1, g2;\n\n scalarInterp[0].x = getTextureValue(texPosPVec[0]).a;\n scalarInterp[0].y = getTextureValue(texPosPVec[1]).a;\n scalarInterp[0].z = getTextureValue(texPosPVec[2]).a;\n scalarInterp[1].x = getTextureValue(texPosNVec[0]).a;\n scalarInterp[1].y = getTextureValue(texPosNVec[1]).a;\n scalarInterp[1].z = getTextureValue(texPosNVec[2]).a;\n\n #ifdef vtkClippingPlanesOn\n adjustClippedVoxelValues(pos, texPosPVec, scalarInterp[0]);\n adjustClippedVoxelValues(pos, texPosNVec, scalarInterp[1]);\n #endif\n vec4 result;\n result.x = scalarInterp[0].x - scalarInterp[1].x;\n result.y = scalarInterp[0].y - scalarInterp[1].y;\n result.z = scalarInterp[0].z - scalarInterp[1].z;\n // divide by spacing\n result.xyz /= vSpacing;\n result.w = length(result.xyz);\n // rotate to View Coords\n rotateToViewCoord(result.xyz);\n if (length(result.xyz) > 0.0) {\n return vec4(normalize(result.xyz),result.w);\n } else {\n return vec4(0.0);\n }\n }\n #endif\n\n vec4 computeNormal(vec3 pos, vec3 tstep)\n {\n vec3 xvec = vec3(tstep.x, 0.0, 0.0);\n vec3 yvec = vec3(0.0, tstep.y, 0.0);\n vec3 zvec = vec3(0.0, 0.0, tstep.z);\n vec3 texPosPVec[3];\n texPosPVec[0] = pos + xvec;\n texPosPVec[1] = pos + yvec;\n texPosPVec[2] = pos + zvec;\n vec3 texPosNVec[3];\n texPosNVec[0] = pos - xvec;\n texPosNVec[1] = pos - yvec;\n texPosNVec[2] = pos - zvec;\n vec3 g1, g2;\n g1.x = getTextureValue(texPosPVec[0]).a;\n g1.y = getTextureValue(texPosPVec[1]).a;\n g1.z = getTextureValue(texPosPVec[2]).a;\n g2.x = getTextureValue(texPosNVec[0]).a;\n g2.y = getTextureValue(texPosNVec[1]).a;\n g2.z = getTextureValue(texPosNVec[2]).a;\n #ifdef vtkClippingPlanesOn\n adjustClippedVoxelValues(pos, texPosPVec, g1);\n adjustClippedVoxelValues(pos, texPosNVec, g2);\n #endif\n vec4 result;\n result = vec4(g1 - g2, -1.0);\n // divide by spacing\n result.xyz /= vSpacing;\n result.w = length(result.xyz);\n if (result.w > 0.0){\n // rotate to View Coords\n rotateToViewCoord(result.xyz);\n return vec4(normalize(result.xyz),result.w);\n } else {\n return vec4(0.0);\n }\n }\n#endif\n\n#ifdef vtkImageLabelOutlineOn\nvec3 fragCoordToIndexSpace(vec4 fragCoord) {\n vec4 pcPos = vec4(\n (fragCoord.x / vpWidth - vpOffsetX - 0.5) * 2.0,\n (fragCoord.y / vpHeight - vpOffsetY - 0.5) * 2.0,\n (fragCoord.z - 0.5) * 2.0,\n 1.0);\n\n vec4 worldCoord = PCWCMatrix * pcPos;\n vec4 vertex = (worldCoord/worldCoord.w);\n\n vec3 index = (vWCtoIDX * vertex).xyz;\n\n // half voxel fix for labelmapOutline\n return (index + vec3(0.5)) / vec3(volumeDimensions);\n}\n#endif\n\n//=======================================================================\n// compute the normals and gradient magnitudes for a position\n// for independent components\nmat4 computeMat4Normal(vec3 pos, vec4 tValue, vec3 tstep)\n{\n mat4 result;\n vec4 distX = getTextureValue(pos + vec3(tstep.x, 0.0, 0.0)) - tValue;\n vec4 distY = getTextureValue(pos + vec3(0.0, tstep.y, 0.0)) - tValue;\n vec4 distZ = getTextureValue(pos + vec3(0.0, 0.0, tstep.z)) - tValue;\n\n // divide by spacing\n distX /= vSpacing.x;\n distY /= vSpacing.y;\n distZ /= vSpacing.z;\n\n mat3 rot;\n rot[0] = vPlaneNormal0;\n rot[1] = vPlaneNormal2;\n rot[2] = vPlaneNormal4;\n\n#if !defined(vtkComponent0Proportional)\n result[0].xyz = vec3(distX.r, distY.r, distZ.r);\n result[0].a = length(result[0].xyz);\n result[0].xyz *= rot;\n if (result[0].w > 0.0)\n {\n result[0].xyz /= result[0].w;\n }\n#endif\n\n// optionally compute the 2nd component\n#if vtkNumComponents >= 2 && !defined(vtkComponent1Proportional)\n result[1].xyz = vec3(distX.g, distY.g, distZ.g);\n result[1].a = length(result[1].xyz);\n result[1].xyz *= rot;\n if (result[1].w > 0.0)\n {\n result[1].xyz /= result[1].w;\n }\n#endif\n\n// optionally compute the 3rd component\n#if vtkNumComponents >= 3 && !defined(vtkComponent2Proportional)\n result[2].xyz = vec3(distX.b, distY.b, distZ.b);\n result[2].a = length(result[2].xyz);\n result[2].xyz *= rot;\n if (result[2].w > 0.0)\n {\n result[2].xyz /= result[2].w;\n }\n#endif\n\n// optionally compute the 4th component\n#if vtkNumComponents >= 4 && !defined(vtkComponent3Proportional)\n result[3].xyz = vec3(distX.a, distY.a, distZ.a);\n result[3].a = length(result[3].xyz);\n result[3].xyz *= rot;\n if (result[3].w > 0.0)\n {\n result[3].xyz /= result[3].w;\n }\n#endif\n\n return result;\n}\n\n//=======================================================================\n// global shadow - secondary ray\n#if defined(VolumeShadowOn) || defined(localAmbientOcclusionOn)\nfloat random()\n{\n float rand = fract(sin(dot(gl_FragCoord.xy,vec2(12.9898,78.233)))*43758.5453123);\n float jitter=texture2D(jtexture,gl_FragCoord.xy/32.).r;\n uint pcg_state = floatBitsToUint(jitter);\n uint state = pcg_state;\n pcg_state = pcg_state * uint(747796405) + uint(2891336453);\n uint word = ((state >> ((state >> uint(28)) + uint(4))) ^ state) * uint(277803737);\n return (float((((word >> uint(22)) ^ word) >> 1 ))/float(2147483647) + rand)/2.0;\n}\n#endif\n\n#ifdef VolumeShadowOn\n// henyey greenstein phase function\nfloat phase_function(float cos_angle)\n{\n // divide by 2.0 instead of 4pi to increase intensity\n return ((1.0-anisotropy2)/pow(1.0+anisotropy2-2.0*anisotropy*cos_angle, 1.5))/2.0;\n}\n\n// Computes the intersection between a ray and a box\nstruct Hit\n{\n float tmin;\n float tmax;\n};\n\nstruct Ray\n{\n vec3 origin;\n vec3 dir;\n vec3 invDir;\n};\n\nbool BBoxIntersect(vec3 boundMin, vec3 boundMax, const Ray r, out Hit hit)\n{\n vec3 tbot = r.invDir * (boundMin - r.origin);\n vec3 ttop = r.invDir * (boundMax - r.origin);\n vec3 tmin = min(ttop, tbot);\n vec3 tmax = max(ttop, tbot);\n vec2 t = max(tmin.xx, tmin.yz);\n float t0 = max(t.x, t.y);\n t = min(tmax.xx, tmax.yz);\n float t1 = min(t.x, t.y);\n hit.tmin = t0;\n hit.tmax = t1;\n return t1 > max(t0,0.0);\n}\n\n// As BBoxIntersect requires the inverse of the ray coords,\n// this function is used to avoid numerical issues\nvoid safe_0_vector(inout Ray ray)\n{\n if(abs(ray.dir.x) < EPSILON) ray.dir.x = sign(ray.dir.x) * EPSILON;\n if(abs(ray.dir.y) < EPSILON) ray.dir.y = sign(ray.dir.y) * EPSILON;\n if(abs(ray.dir.z) < EPSILON) ray.dir.z = sign(ray.dir.z) * EPSILON;\n}\n\nfloat volume_shadow(vec3 posIS, vec3 lightDirNormIS)\n{\n float shadow = 1.0;\n float opacity = 0.0;\n\n // modify sample distance with a random number between 1.5 and 3.0\n float sampleDistanceISVS_jitter = sampleDistanceISVS * mix(1.5, 3.0, random());\n float opacityPrev = texture2D(otexture, vec2(getTextureValue(posIS).r * oscale0 + oshift0, 0.5)).r;\n\n // in case the first sample near surface has a very tiled light ray, we need to offset start position\n posIS += sampleDistanceISVS_jitter * lightDirNormIS;\n\n // compute the start and end points for the ray\n Ray ray;\n Hit hit;\n ray.origin = posIS;\n ray.dir = lightDirNormIS;\n safe_0_vector(ray);\n ray.invDir = 1.0/ray.dir;\n\n if(!BBoxIntersect(vec3(0.0),vec3(1.0), ray, hit))\n {\n return 1.0;\n }\n float maxdist = hit.tmax;\n\n // interpolate shadow ray length between: 1 unit of sample distance in IS to SQRT3, based on globalIlluminationReach\n float maxgi = mix(sampleDistanceISVS_jitter,SQRT3,giReach);\n maxdist = min(maxdist,maxgi);\n if(maxdist < EPSILON) {\n return 1.0;\n }\n\n // support gradient opacity\n #ifdef vtkGradientOpacityOn\n vec4 normal;\n #endif\n\n float current_dist = 0.0;\n float current_step = length(sampleDistanceISVS_jitter * lightDirNormIS);\n float clamped_step = 0.0;\n\n vec4 scalar = vec4(0.0);\n while(current_dist < maxdist)\n {\n#ifdef vtkClippingPlanesOn\n vec3 posVC = IStoVC(posIS);\n for (int i = 0; i < clip_numPlanes; ++i)\n {\n if (dot(vec3(vClipPlaneOrigins[i] - posVC), vClipPlaneNormals[i]) > 0.0)\n {\n current_dist = maxdist;\n }\n }\n#endif\n scalar = getTextureValue(posIS);\n opacity = texture2D(otexture, vec2(scalar.r * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n normal = computeNormal(posIS, vec3(1.0/vec3(volumeDimensions)));\n opacity *= computeGradientOpacityFactor(normal.w, goscale0, goshift0, gomin0, gomax0);\n #endif\n shadow *= 1.0 - opacity;\n\n // optimization: early termination\n if (shadow < EPSILON){\n return 0.0;\n }\n\n clamped_step = min(maxdist - current_dist, current_step);\n posIS += clamped_step * lightDirNormIS;\n current_dist += current_step;\n }\n\n return shadow;\n}\n\nvec3 applyShadowRay(vec3 tColor, vec3 posIS, vec3 viewDirectionVC)\n{\n vec3 vertLight = vec3(0.0);\n vec3 secondary_contrib = vec3(0.0);\n // here we assume only positional light, no effect of cones\n for (int i = 0; i < lightNum; i++)\n {\n #if(vtkLightComplexity==3)\n if (lightPositional[i] == 1){\n vertLight = lightPositionVC[i] - IStoVC(posIS);\n }else{\n vertLight = - lightDirectionVC[i];\n }\n #else\n vertLight = - lightDirectionVC[i];\n #endif\n // here we assume achromatic light, only intensity\n float dDotL = dot(viewDirectionVC, normalize(vertLight));\n // isotropic scatter returns 0.5 instead of 1/4pi to increase intensity\n float phase_attenuation = 0.5;\n if (abs(anisotropy) > EPSILON){\n phase_attenuation = phase_function(dDotL);\n }\n float vol_shadow = volume_shadow(posIS, normalize(rotateToIDX(vertLight)));\n secondary_contrib += tColor * vDiffuse * lightColor[i] * vol_shadow * phase_attenuation;\n secondary_contrib += tColor * vAmbient;\n }\n return secondary_contrib;\n}\n#endif\n\n//=======================================================================\n// local ambient occlusion\n#ifdef localAmbientOcclusionOn\nvec3 sample_direction_uniform(int i)\n{\n float rand = random() * 0.5;\n float theta = PI2 * (kernelSample[i][0] + rand);\n float phi = acos(2.0 * (kernelSample[i][1] + rand) -1.0) / 2.5;\n return normalize(vec3(cos(theta)*sin(phi), sin(theta)*sin(phi), cos(phi)));\n}\n\n// return a matrix that transform startDir into z axis; startDir should be normalized\nmat3 zBaseRotationalMatrix(vec3 startDir){\n vec3 axis = cross(startDir, vec3(0.0,0.0,1.0));\n float cosA = startDir.z;\n float k = 1.0 / (1.0 + cosA);\n mat3 matrix = mat3((axis.x * axis.x * k) + cosA, (axis.y * axis.x * k) - axis.z, (axis.z * axis.x * k) + axis.y,\n (axis.x * axis.y * k) + axis.z, (axis.y * axis.y * k) + cosA, (axis.z * axis.y * k) - axis.x,\n (axis.x * axis.z * k) - axis.y, (axis.y * axis.z * k) + axis.x, (axis.z * axis.z * k) + cosA);\n return matrix;\n}\n\nfloat computeLAO(vec3 posIS, float op, vec3 lightDir, vec4 normal){\n // apply LAO only at selected locations, otherwise return full brightness\n if (normal.w > 0.0 && op > 0.05){\n float total_transmittance = 0.0;\n mat3 inverseRotateBasis = inverse(zBaseRotationalMatrix(normalize(-normal.xyz)));\n vec3 currPos, randomDirStep;\n float weight, transmittance, opacity;\n for (int i = 0; i < kernelSize; i++)\n {\n randomDirStep = inverseRotateBasis * sample_direction_uniform(i) * sampleDistanceIS;\n weight = 1.0 - dot(normalize(lightDir), normalize(randomDirStep));\n currPos = posIS;\n transmittance = 1.0;\n for (int j = 0; j < kernelRadius ; j++){\n currPos += randomDirStep;\n // check if it's at clipping plane, if so return full brightness\n if (all(greaterThan(currPos, vec3(EPSILON))) && all(lessThan(currPos,vec3(1.0-EPSILON)))){\n opacity = texture2D(otexture, vec2(getTextureValue(currPos).r * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n opacity *= computeGradientOpacityFactor(normal.w, goscale0, goshift0, gomin0, gomax0);\n #endif\n transmittance *= 1.0 - opacity;\n }\n else{\n break;\n }\n }\n total_transmittance += transmittance / float(kernelRadius) * weight;\n\n // early termination if fully translucent\n if (total_transmittance > 1.0 - EPSILON){\n return 1.0;\n }\n }\n // average transmittance and reduce variance\n return clamp(total_transmittance / float(kernelSize), 0.3, 1.0);\n } else {\n return 1.0;\n }\n}\n#endif\n\n//=======================================================================\n// surface light contribution\n#if vtkLightComplexity > 0\n void applyLighting(inout vec3 tColor, vec4 normal)\n {\n vec3 diffuse = vec3(0.0, 0.0, 0.0);\n vec3 specular = vec3(0.0, 0.0, 0.0);\n float df, sf = 0.0;\n for (int i = 0; i < lightNum; i++){\n df = abs(dot(normal.rgb, -lightDirectionVC[i]));\n diffuse += df * lightColor[i];\n sf = pow( abs(dot(lightHalfAngleVC[i],normal.rgb)), vSpecularPower);\n specular += sf * lightColor[i];\n }\n tColor.rgb = tColor.rgb*(diffuse*vDiffuse + vAmbient) + specular*vSpecular;\n }\n #ifdef SurfaceShadowOn\n #if vtkLightComplexity < 3\n vec3 applyLightingDirectional(vec3 posIS, vec4 tColor, vec4 normal)\n {\n // everything in VC\n vec3 diffuse = vec3(0.0);\n vec3 specular = vec3(0.0);\n #ifdef localAmbientOcclusionOn\n vec3 ambient = vec3(0.0);\n #endif\n vec3 vertLightDirection;\n for (int i = 0; i < lightNum; i++){\n float ndotL,vdotR;\n vertLightDirection = lightDirectionVC[i];\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n }\n #ifdef localAmbientOcclusionOn\n return tColor.rgb * (diffuse * vDiffuse + vAmbient * ambient) + specular*vSpecular;\n #else\n return tColor.rgb * (diffuse * vDiffuse + vAmbient) + specular*vSpecular;\n #endif\n }\n #else\n vec3 applyLightingPositional(vec3 posIS, vec4 tColor, vec4 normal, vec3 posVC)\n {\n // everything in VC\n vec3 diffuse = vec3(0.0);\n vec3 specular = vec3(0.0);\n #ifdef localAmbientOcclusionOn\n vec3 ambient = vec3(0.0);\n #endif\n vec3 vertLightDirection;\n for (int i = 0; i < lightNum; i++){\n float distance,attenuation,ndotL,vdotR;\n vec3 lightDir;\n if (lightPositional[i] == 1){\n lightDir = lightDirectionVC[i];\n vertLightDirection = posVC - lightPositionVC[i];\n distance = length(vertLightDirection);\n vertLightDirection = normalize(vertLightDirection);\n attenuation = 1.0 / (lightAttenuation[i].x\n + lightAttenuation[i].y * distance\n + lightAttenuation[i].z * distance * distance);\n // per OpenGL standard cone angle is 90 or less for a spot light\n if (lightConeAngle[i] <= 90.0){\n float coneDot = dot(vertLightDirection, lightDir);\n if (coneDot >= cos(radians(lightConeAngle[i]))){ // if inside cone\n attenuation = attenuation * pow(coneDot, lightExponent[i]);\n }\n else {\n attenuation = 0.0;\n }\n }\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * attenuation * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * attenuation * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n } else {\n vertLightDirection = lightDirectionVC[i];\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n }\n }\n #ifdef localAmbientOcclusionOn\n return tColor.rgb * (diffuse * vDiffuse + vAmbient * ambient) + specular*vSpecular;\n #else\n return tColor.rgb * (diffuse * vDiffuse + vAmbient) + specular*vSpecular;\n #endif\n }\n #endif\n #endif\n#endif\n\n//=======================================================================\n// Given a texture value compute the color and opacity\n//\nvec4 getColorForValue(vec4 tValue, vec3 posIS, vec3 tstep)\n{\n#ifdef vtkImageLabelOutlineOn\n vec3 centerPosIS = fragCoordToIndexSpace(gl_FragCoord); // pos in texture space\n vec4 centerValue = getTextureValue(centerPosIS);\n bool pixelOnBorder = false;\n vec4 tColor = texture2D(ctexture, vec2(centerValue.r * cscale0 + cshift0, 0.5));\n\n // Get alpha of segment from opacity function.\n tColor.a = texture2D(otexture, vec2(centerValue.r * oscale0 + oshift0, 0.5)).r;\n\n int segmentIndex = int(centerValue.r * 255.0);\n \n // Use texture sampling for outlineThickness\n float textureCoordinate = float(segmentIndex - 1) / 1024.0;\n float textureValue = texture2D(ttexture, vec2(textureCoordinate, 0.5)).r;\n\n int actualThickness = int(textureValue * 255.0);\n\n if (actualThickness == 0) {\n return vec4(0, 0, 1, 1);\n }\n\n // Only perform outline check on fragments rendering voxels that aren't invisible.\n // Saves a bunch of needless checks on the background.\n // TODO define epsilon when building shader?\n if (float(tColor.a) > 0.01) {\n for (int i = -actualThickness; i <= actualThickness; i++) {\n for (int j = -actualThickness; j <= actualThickness; j++) {\n if (i == 0 || j == 0) {\n continue;\n }\n\n vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n gl_FragCoord.y + float(j),\n gl_FragCoord.z, gl_FragCoord.w);\n\n vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n vec4 value = getTextureValue(neighborPosIS);\n\n // If any of my neighbours are not the same value as I\n // am, this means I am on the border of the segment.\n // We can break the loops\n if (any(notEqual(value, centerValue))) {\n pixelOnBorder = true;\n break;\n }\n }\n\n if (pixelOnBorder == true) {\n break;\n }\n }\n\n // If I am on the border, I am displayed at full opacity\n if (pixelOnBorder == true) {\n tColor.a = outlineOpacity;\n }\n }\n\n#else\n // compute the normal and gradient magnitude if needed\n // We compute it as a vec4 if possible otherwise a mat4\n //\n vec4 goFactor = vec4(1.0,1.0,1.0,1.0);\n\n // compute the normal vectors as needed\n #if (vtkLightComplexity > 0) || defined(vtkGradientOpacityOn)\n #if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\n mat4 normalMat = computeMat4Normal(posIS, tValue, tstep);\n #if !defined(vtkComponent0Proportional)\n vec4 normal0 = normalMat[0];\n #endif\n #if !defined(vtkComponent1Proportional)\n vec4 normal1 = normalMat[1];\n #endif\n #if vtkNumComponents > 2\n #if !defined(vtkComponent2Proportional)\n vec4 normal2 = normalMat[2];\n #endif\n #if vtkNumComponents > 3\n #if !defined(vtkComponent3Proportional)\n vec4 normal3 = normalMat[3];\n #endif\n #endif\n #endif\n #else\n vec4 normalLight;\n #ifdef vtkComputeNormalFromOpacity\n vec3 scalarInterp[2];\n vec4 normal0 = computeNormalForDensity(posIS, tstep, scalarInterp);\n if (length(normal0)>0.0){\n #ifdef vtkGradientOpacityOn\n normalLight = computeDensityNormal(normal0.w, scalarInterp);\n #else\n normalLight = computeDensityNormal(scalarInterp);\n #endif\n if (length(normalLight) == 0.0){\n normalLight = normal0;\n }\n }\n #else\n vec4 normal0 = computeNormal(posIS, tstep);\n normalLight = normal0;\n #endif\n #endif\n #endif\n\n // compute gradient opacity factors as needed\n #if defined(vtkGradientOpacityOn)\n #if !defined(vtkComponent0Proportional)\n goFactor.x =\n computeGradientOpacityFactor(normal0.a, goscale0, goshift0, gomin0, gomax0);\n #endif\n #if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\n #if !defined(vtkComponent1Proportional)\n goFactor.y =\n computeGradientOpacityFactor(normal1.a, goscale1, goshift1, gomin1, gomax1);\n #endif\n #if vtkNumComponents > 2\n #if !defined(vtkComponent2Proportional)\n goFactor.z =\n computeGradientOpacityFactor(normal2.a, goscale2, goshift2, gomin2, gomax2);\n #endif\n #if vtkNumComponents > 3\n #if !defined(vtkComponent3Proportional)\n goFactor.w =\n computeGradientOpacityFactor(normal3.a, goscale3, goshift3, gomin3, gomax3);\n #endif\n #endif\n #endif\n #endif\n #endif\n\n // single component is always independent\n #if vtkNumComponents == 1\n vec4 tColor = texture2D(ctexture, vec2(tValue.r * cscale0 + cshift0, 0.5));\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n if (tColor.a < EPSILON){\n return vec4(0.0);\n }\n #endif\n\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n vec4 tColor = mix0*texture2D(ctexture, vec2(tValue.r * cscale0 + cshift0, height0));\n #if !defined(vtkComponent0Proportional)\n tColor.a = goFactor.x*mix0*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, height0)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, height0)).r;\n tColor *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix0));\n #endif\n\n vec3 tColor1 = mix1*texture2D(ctexture, vec2(tValue.g * cscale1 + cshift1, height1)).rgb;\n #if !defined(vtkComponent1Proportional)\n tColor.a += goFactor.y*mix1*texture2D(otexture, vec2(tValue.g * oscale1 + oshift1, height1)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.g * oscale1 + oshift1, height1)).r;\n tColor1 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix1));\n #endif\n\n #if vtkNumComponents >= 3\n vec3 tColor2 = mix2*texture2D(ctexture, vec2(tValue.b * cscale2 + cshift2, height2)).rgb;\n #if !defined(vtkComponent2Proportional)\n tColor.a += goFactor.z*mix2*texture2D(otexture, vec2(tValue.b * oscale2 + oshift2, height2)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.b * oscale2 + oshift2, height2)).r;\n tColor2 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix2));\n #endif\n\n #if vtkNumComponents >= 4\n vec3 tColor3 = mix3*texture2D(ctexture, vec2(tValue.a * cscale3 + cshift3, height3)).rgb;\n #if !defined(vtkComponent3Proportional)\n tColor.a += goFactor.w*mix3*texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, height3)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, height3)).r;\n tColor3 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix3));\n #endif\n #endif\n #endif\n #else // then not independent\n\n #if vtkNumComponents == 2\n float lum = tValue.r * cscale0 + cshift0;\n float alpha = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale1 + oshift1, 0.5)).r;\n vec4 tColor = vec4(lum, lum, lum, alpha);\n #endif\n #if vtkNumComponents == 3\n vec4 tColor;\n tColor.r = tValue.r * cscale0 + cshift0;\n tColor.g = tValue.g * cscale1 + cshift1;\n tColor.b = tValue.b * cscale2 + cshift2;\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale0 + oshift0, 0.5)).r;\n #endif\n #if vtkNumComponents == 4\n vec4 tColor;\n tColor.r = tValue.r * cscale0 + cshift0;\n tColor.g = tValue.g * cscale1 + cshift1;\n tColor.b = tValue.b * cscale2 + cshift2;\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, 0.5)).r;\n #endif\n #endif // dependent\n\n // apply lighting if requested as appropriate\n #if vtkLightComplexity > 0\n #if !defined(vtkComponent0Proportional)\n #if vtkNumComponents == 1\n #ifdef SurfaceShadowOn\n #if vtkLightComplexity < 3\n vec3 tColorS = applyLightingDirectional(posIS, tColor, normalLight);\n #else\n vec3 tColorS = applyLightingPositional(posIS, tColor, normalLight, IStoVC(posIS));\n #endif\n #endif\n\n #ifdef VolumeShadowOn\n vec3 tColorVS = applyShadowRay(tColor.rgb, posIS, rayDirVC);\n #ifdef SurfaceShadowOn\n float vol_coef = volumetricScatteringBlending * (1.0 - tColor.a / 2.0) * (1.0 - atan(normalLight.w) * INV4PI);\n tColor.rgb = (1.0-vol_coef) * tColorS + vol_coef * tColorVS;\n #else\n tColor.rgb = tColorVS;\n #endif\n #else\n tColor.rgb = tColorS;\n #endif\n\n #else\n applyLighting(tColor.rgb, normal0);\n #endif\n #endif\n\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n #if !defined(vtkComponent1Proportional)\n applyLighting(tColor1, normal1);\n #endif\n #if vtkNumComponents >= 3\n #if !defined(vtkComponent2Proportional)\n applyLighting(tColor2, normal2);\n #endif\n #if vtkNumComponents >= 4\n #if !defined(vtkComponent3Proportional)\n applyLighting(tColor3, normal3);\n #endif\n #endif\n #endif\n #endif\n #endif\n\n// perform final independent blend as needed\n#if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n tColor.rgb += tColor1;\n#if vtkNumComponents >= 3\n tColor.rgb += tColor2;\n#if vtkNumComponents >= 4\n tColor.rgb += tColor3;\n#endif\n#endif\n#endif\n\n#endif\nreturn tColor;\n}\n\nbool valueWithinScalarRange(vec4 val, vec4 min, vec4 max) {\n bool withinRange = false;\n #if vtkNumComponents == 1\n if (val.r >= min.r && val.r <= max.r) {\n withinRange = true;\n }\n #endif\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents == 2\n if (val.r >= min.r && val.r <= max.r &&\n val.g >= min.g && val.g <= max.g) {\n withinRange = true;\n }\n #endif\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 3\n if (all(greaterThanEqual(val, ipScalarRangeMin)) &&\n all(lessThanEqual(val, ipScalarRangeMax))) {\n withinRange = true;\n }\n #endif\n return withinRange;\n}\n\n//=======================================================================\n// Apply the specified blend mode operation along the ray's path.\n//\nvoid applyBlend(vec3 posIS, vec3 endIS, vec3 tdims)\n{\n vec3 tstep = 1.0/tdims;\n\n // start slightly inside and apply some jitter\n vec3 delta = endIS - posIS;\n vec3 stepIS = normalize(delta)*sampleDistanceIS;\n float raySteps = length(delta)/sampleDistanceIS;\n\n // avoid 0.0 jitter\n float jitter = 0.01 + 0.99*texture2D(jtexture, gl_FragCoord.xy/32.0).r;\n float stepsTraveled = jitter;\n\n // local vars for the loop\n vec4 color = vec4(0.0, 0.0, 0.0, 0.0);\n vec4 tValue;\n vec4 tColor;\n\n // if we have less than one step then pick the middle point\n // as our value\n // if (raySteps <= 1.0)\n // {\n // posIS = (posIS + endIS)*0.5;\n // }\n\n // Perform initial step at the volume boundary\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n #if vtkBlendMode == 0 // COMPOSITE_BLEND\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n\n // handle very thin volumes\n if (raySteps <= 1.0)\n {\n tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps);\n gl_FragData[0] = tColor;\n return;\n }\n\n tColor.a = 1.0 - pow(1.0 - tColor.a, jitter);\n color = vec4(tColor.rgb*tColor.a, tColor.a);\n posIS += (jitter*stepIS);\n\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n\n float mix = (1.0 - color.a);\n\n // this line should not be needed but nvidia seems to not handle\n // the break correctly on windows/chrome 58 angle\n //mix = mix * sign(max(raySteps - stepsTraveled - 1.0, 0.0));\n\n color = color + vec4(tColor.rgb*tColor.a, tColor.a)*mix;\n stepsTraveled++;\n posIS += stepIS;\n if (color.a > 0.99) { color.a = 1.0; break; }\n }\n\n if (color.a < 0.99 && (raySteps - stepsTraveled) > 0.0)\n {\n posIS = endIS;\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps - stepsTraveled);\n\n float mix = (1.0 - color.a);\n color = color + vec4(tColor.rgb*tColor.a, tColor.a)*mix;\n }\n\n gl_FragData[0] = vec4(color.rgb/color.a, color.a);\n #endif\n #if vtkBlendMode == 1 || vtkBlendMode == 2\n // MAXIMUM_INTENSITY_BLEND || MINIMUM_INTENSITY_BLEND\n // Find maximum/minimum intensity along the ray.\n\n // Define the operation we will use (min or max)\n #if vtkBlendMode == 1\n #define OP max\n #else\n #define OP min\n #endif\n\n // If the clipping range is shorter than the sample distance\n // we can skip the sampling loop along the ray.\n if (raySteps <= 1.0)\n {\n gl_FragData[0] = getColorForValue(tValue, posIS, tstep);\n return;\n }\n\n vec4 value = tValue;\n posIS += (jitter*stepIS);\n\n // Sample along the ray until MaximumSamplesValue,\n // ending slightly inside the total distance\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n // If we have reached the last step, break\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // Update the maximum value if necessary\n value = OP(tValue, value);\n\n // Otherwise, continue along the ray\n stepsTraveled++;\n posIS += stepIS;\n }\n\n // Perform the last step along the ray using the\n // residual distance\n posIS = endIS;\n tValue = getTextureValue(posIS);\n value = OP(tValue, value);\n\n // Now map through opacity and color\n gl_FragData[0] = getColorForValue(value, posIS, tstep);\n #endif\n #if vtkBlendMode == 3 || vtkBlendMode == 4 //AVERAGE_INTENSITY_BLEND || ADDITIVE_BLEND\n vec4 sum = vec4(0.);\n\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n sum += tValue;\n }\n\n if (raySteps <= 1.0) {\n gl_FragData[0] = getColorForValue(sum, posIS, tstep);\n return;\n }\n\n posIS += (jitter*stepIS);\n\n // Sample along the ray until MaximumSamplesValue,\n // ending slightly inside the total distance\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n // If we have reached the last step, break\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // One can control the scalar range by setting the AverageIPScalarRange to disregard scalar values, not in the range of interest, from the average computation.\n // Notes:\n // - We are comparing all values in the texture to see if any of them\n // are outside of the scalar range. In the future we might want to allow\n // scalar ranges for each component.\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n // Sum the values across each step in the path\n sum += tValue;\n }\n stepsTraveled++;\n posIS += stepIS;\n }\n\n // Perform the last step along the ray using the\n // residual distance\n posIS = endIS;\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // One can control the scalar range by setting the IPScalarRange to disregard scalar values, not in the range of interest, from the average computation\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n sum += tValue;\n\n stepsTraveled++;\n }\n\n #if vtkBlendMode == 3 // Average\n sum /= vec4(stepsTraveled, stepsTraveled, stepsTraveled, 1.0);\n #endif\n\n gl_FragData[0] = getColorForValue(sum, posIS, tstep);\n #endif\n #if vtkBlendMode == 5 // RADON\n float normalizedRayIntensity = 1.0;\n\n // handle very thin volumes\n if (raySteps <= 1.0)\n {\n tValue = getTextureValue(posIS);\n normalizedRayIntensity = normalizedRayIntensity - sampleDistance*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n gl_FragData[0] = texture2D(ctexture, vec2(normalizedRayIntensity, 0.5));\n return;\n }\n\n posIS += (jitter*stepIS);\n\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar value\n tValue = getTextureValue(posIS);\n\n // Convert scalar value to normalizedRayIntensity coefficient and accumulate normalizedRayIntensity\n normalizedRayIntensity = normalizedRayIntensity - sampleDistance*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n\n posIS += stepIS;\n stepsTraveled++;\n }\n\n // map normalizedRayIntensity to color\n gl_FragData[0] = texture2D(ctexture, vec2(normalizedRayIntensity , 0.5));\n\n #endif\n}\n\n//=======================================================================\n// Compute a new start and end point for a given ray based\n// on the provided bounded clipping plane (aka a rectangle)\nvoid getRayPointIntersectionBounds(\n vec3 rayPos, vec3 rayDir,\n vec3 planeDir, float planeDist,\n inout vec2 tbounds, vec3 vPlaneX, vec3 vPlaneY,\n float vSize1, float vSize2)\n{\n float result = dot(rayDir, planeDir);\n if (abs(result) < 1e-6)\n {\n return;\n }\n result = -1.0 * (dot(rayPos, planeDir) + planeDist) / result;\n vec3 xposVC = rayPos + rayDir*result;\n vec3 vxpos = xposVC - vOriginVC;\n vec2 vpos = vec2(\n dot(vxpos, vPlaneX),\n dot(vxpos, vPlaneY));\n\n // on some apple nvidia systems this does not work\n // if (vpos.x < 0.0 || vpos.x > vSize1 ||\n // vpos.y < 0.0 || vpos.y > vSize2)\n // even just\n // if (vpos.x < 0.0 || vpos.y < 0.0)\n // fails\n // so instead we compute a value that represents in and out\n //and then compute the return using this value\n float xcheck = max(0.0, vpos.x * (vpos.x - vSize1)); // 0 means in bounds\n float check = sign(max(xcheck, vpos.y * (vpos.y - vSize2))); // 0 means in bounds, 1 = out\n\n tbounds = mix(\n vec2(min(tbounds.x, result), max(tbounds.y, result)), // in value\n tbounds, // out value\n check); // 0 in 1 out\n}\n\n//=======================================================================\n// given a\n// - ray direction (rayDir)\n// - starting point (vertexVCVSOutput)\n// - bounding planes of the volume\n// - optionally depth buffer values\n// - far clipping plane\n// compute the start/end distances of the ray we need to cast\nvec2 computeRayDistances(vec3 rayDir, vec3 tdims)\n{\n vec2 dists = vec2(100.0*camFar, -1.0);\n\n vec3 vSize = vSpacing*tdims;\n\n // all this is in View Coordinates\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal0, vPlaneDistance0, dists, vPlaneNormal2, vPlaneNormal4,\n vSize.y, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal1, vPlaneDistance1, dists, vPlaneNormal2, vPlaneNormal4,\n vSize.y, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal2, vPlaneDistance2, dists, vPlaneNormal0, vPlaneNormal4,\n vSize.x, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal3, vPlaneDistance3, dists, vPlaneNormal0, vPlaneNormal4,\n vSize.x, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal4, vPlaneDistance4, dists, vPlaneNormal0, vPlaneNormal2,\n vSize.x, vSize.y);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal5, vPlaneDistance5, dists, vPlaneNormal0, vPlaneNormal2,\n vSize.x, vSize.y);\n\n //VTK::ClipPlane::Impl\n\n // do not go behind front clipping plane\n dists.x = max(0.0,dists.x);\n\n // do not go PAST far clipping plane\n float farDist = -camThick/rayDir.z;\n dists.y = min(farDist,dists.y);\n\n // Do not go past the zbuffer value if set\n // This is used for intermixing opaque geometry\n //VTK::ZBuffer::Impl\n\n return dists;\n}\n\n//=======================================================================\n// Compute the index space starting position (pos) and end\n// position\n//\nvoid computeIndexSpaceValues(out vec3 pos, out vec3 endPos, vec3 rayDir, vec2 dists)\n{\n // compute starting and ending values in volume space\n pos = vertexVCVSOutput + dists.x*rayDir;\n pos = pos - vOriginVC;\n // convert to volume basis and origin\n pos = vec3(\n dot(pos, vPlaneNormal0),\n dot(pos, vPlaneNormal2),\n dot(pos, vPlaneNormal4));\n\n endPos = vertexVCVSOutput + dists.y*rayDir;\n endPos = endPos - vOriginVC;\n endPos = vec3(\n dot(endPos, vPlaneNormal0),\n dot(endPos, vPlaneNormal2),\n dot(endPos, vPlaneNormal4));\n\n float delta = length(endPos - pos);\n\n pos *= vVCToIJK;\n endPos *= vVCToIJK;\n\n float delta2 = length(endPos - pos);\n sampleDistanceIS = sampleDistance*delta2/delta;\n #ifdef VolumeShadowOn\n sampleDistanceISVS = sampleDistanceIS * volumeShadowSamplingDistFactor;\n #endif\n}\n\nvoid main()\n{\n\n if (cameraParallel == 1)\n {\n // Camera is parallel, so the rayDir is just the direction of the camera.\n rayDirVC = vec3(0.0, 0.0, -1.0);\n } else {\n // camera is at 0,0,0 so rayDir for perspective is just the vc coord\n rayDirVC = normalize(vertexVCVSOutput);\n }\n\n vec3 tdims = vec3(volumeDimensions);\n\n // compute the start and end points for the ray\n vec2 rayStartEndDistancesVC = computeRayDistances(rayDirVC, tdims);\n\n // do we need to composite? aka does the ray have any length\n // If not, bail out early\n if (rayStartEndDistancesVC.y <= rayStartEndDistancesVC.x)\n {\n discard;\n }\n\n // IS = Index Space\n vec3 posIS;\n vec3 endIS;\n computeIndexSpaceValues(posIS, endIS, rayDirVC, rayStartEndDistancesVC);\n\n // Perform the blending operation along the ray\n applyBlend(posIS, endIS, tdims);\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let i=n.Fragment;o.getProperty().getInterpolationType()===el.LINEAR&&(i=Ca.substitute(i,"//VTK::TrilinearOn","#define vtkTrilinearOn").result),!0===o.getProperty().getUseLabelOutline()&&(i=Ca.substitute(i,"//VTK::ImageLabelOutlineOn","#define vtkImageLabelOutlineOn").result);const a=t.scalarTexture.getComponents();i=Ca.substitute(i,"//VTK::NumComponents",`#define vtkNumComponents ${a}`).result;const s=o.getProperty().getIndependentComponents();if(s){i=Ca.substitute(i,"//VTK::IndependentComponentsOn","#define vtkIndependentComponentsOn").result;const e=[];for(let t=0;t0&&(i=Ca.substitute(i,"//VTK::vtkProportionalComponents",e.join("\n")).result)}const l=t.currentInput.getSpatialExtent(),u=t.currentInput.getSpacing(),c=new Float64Array(3);jt(c,(l[1]-l[0])*u[0],(l[3]-l[2])*u[1],(l[5]-l[4])*u[2]);const d=Gt(c)/e.getCurrentSampleDistance(r);i=Ca.substitute(i,"//VTK::MaximumSamplesValue",`${Math.ceil(d)}`).result,i=Ca.substitute(i,"//VTK::LightComplexity",`#define vtkLightComplexity ${t.lastLightComplexity}`).result,t.lastLightComplexity>0&&(t.renderable.getVolumetricScatteringBlending()>0&&(i=Ca.substitute(i,"//VTK::VolumeShadowOn","#define VolumeShadowOn").result),t.renderable.getVolumetricScatteringBlending()<1&&(i=Ca.substitute(i,"//VTK::SurfaceShadowOn","#define SurfaceShadowOn").result),t.renderable.getLocalAmbientOcclusion()&&o.getProperty().getAmbient()>0&&(i=Ca.substitute(i,"//VTK::localAmbientOcclusionOn","#define localAmbientOcclusionOn").result)),t.gopacity=o.getProperty().getUseGradientOpacity(0);for(let e=1;s&&!t.gopacity&&e{if(0===t.lastLightComplexity)return;let o=e.Fragment,i=0;n.getLights().forEach((e=>{e.getSwitch()&&(i+=1)})),o=Ca.substitute(o,"//VTK::Light::Dec",["uniform int lightNum;","uniform bool twoSidedLighting;",`uniform vec3 lightColor[${i}];`,`uniform vec3 lightDirectionVC[${i}]; // normalized`,`uniform vec3 lightHalfAngleVC[${i}];`,"//VTK::Light::Dec"],!1).result,3===t.lastLightComplexity&&(o=Ca.substitute(o,"//VTK::Light::Dec",[`uniform vec3 lightPositionVC[${i}];`,`uniform vec3 lightAttenuation[${i}];`,`uniform float lightConeAngle[${i}];`,`uniform float lightExponent[${i}];`,`uniform int lightPositional[${i}];`],!1).result),t.renderable.getVolumetricScatteringBlending()>0&&(o=Ca.substitute(o,"//VTK::VolumeShadow::Dec",["uniform float volumetricScatteringBlending;","uniform float giReach;","uniform float volumeShadowSamplingDistFactor;","uniform float anisotropy;","uniform float anisotropy2;"],!1).result),t.renderable.getLocalAmbientOcclusion()&&r.getProperty().getAmbient()>0&&(o=Ca.substitute(o,"//VTK::LAO::Dec",["uniform int kernelRadius;",`uniform vec2 kernelSample[${t.renderable.getLAOKernelRadius()}];`,"uniform int kernelSize;"],!1).result),e.Fragment=o},e.replaceShaderClippingPlane=(e,n,r)=>{let o=e.Fragment;if(t.renderable.getClippingPlanes().length>0){const e=t.renderable.getClippingPlanes().length;o=Ca.substitute(o,"//VTK::ClipPlane::Dec",["uniform vec3 vClipPlaneNormals[6];","uniform float vClipPlaneDistances[6];","uniform vec3 vClipPlaneOrigins[6];","uniform int clip_numPlanes;","//VTK::ClipPlane::Dec","#define vtkClippingPlanesOn"],!1).result,o=Ca.substitute(o,"//VTK::ClipPlane::Impl",[`for(int i = 0; i < ${e}; i++) {`," float rayDirRatio = dot(rayDir, vClipPlaneNormals[i]);"," float equationResult = dot(vertexVCVSOutput, vClipPlaneNormals[i]) + vClipPlaneDistances[i];"," if (rayDirRatio == 0.0)"," {"," if (equationResult < 0.0) dists.x = dists.y;"," continue;"," }"," float result = -1.0 * equationResult / rayDirRatio;"," if (rayDirRatio < 0.0) dists.y = min(dists.y, result);"," else dists.x = max(dists.x, result);","}","//VTK::ClipPlane::Impl"],!1).result}e.Fragment=o},e.getNeedToRebuildShaders=(n,r,o)=>{let i=0;o.getProperty().getShade()&&t.renderable.getBlendMode()===rl.COMPOSITE_BLEND&&(i=0,t.numberOfLights=0,r.getLights().forEach((e=>{e.getSwitch()>0&&(t.numberOfLights++,0===i&&(i=1)),1===i&&(t.numberOfLights>1||1!==e.getIntensity()||!e.lightTypeIsHeadLight())&&(i=2),i<3&&e.getPositional()&&(i=3)})));let a=!1;t.lastLightComplexity!==i&&(t.lastLightComplexity=i,a=!0);const s=t.scalarTexture.getComponents(),l=o.getProperty().getIndependentComponents();let u=!1;const c=[];if(l){for(let e=0;e0&&(u=!0)}const d=t.currentInput.getSpatialExtent(),p=t.currentInput.getSpacing(),f=new Float64Array(3);jt(f,(d[1]-d[0])*p[0],(d[3]-d[2])*p[1],(d[5]-d[4])*p[2]);const h=Gt(f)/e.getCurrentSampleDistance(r),m={interpolationType:o.getProperty().getInterpolationType(),useLabelOutline:o.getProperty().getUseLabelOutline(),numComp:s,usesProportionalComponents:u,iComps:l,maxSamples:h,useGradientOpacity:o.getProperty().getUseGradientOpacity(0),blendMode:t.renderable.getBlendMode(),proportionalComponents:c};return t.previousState&&t.previousState.interpolationType===m.interpolationType&&t.previousState.useLabelOutline===m.useLabelOutline&&t.previousState.numComp===m.numComp&&t.previousState.usesProportionalComponents===m.usesProportionalComponents&&t.previousState.iComps===m.iComps&&t.previousState.maxSamples===m.maxSamples&&t.previousState.useGradientOpacity===m.useGradientOpacity&&t.previousState.blendMode===m.blendMode&&function(e,t){if(e.length!==t.length)return!1;for(let n=0;n{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o),e.getClippingPlaneShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const i=n.getProgram();n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(i.isAttributeUsed("vertexDC")&&(n.getVAO().addAttributeArray(i,n.getCABO(),"vertexDC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||al("Error setting vertexDC in shader VAO.")),n.getAttributeUpdateTime().modified()),i.setUniformi("texture1",t.scalarTexture.getTextureUnit()),i.setUniformf("sampleDistance",e.getCurrentSampleDistance(r));const a=t.scalarTexture.getVolumeInfo(),s=t.renderable.getIpScalarRange(),l=[],u=[];for(let e=0;e<4;e++)l[e]=s[0]*a.dataComputedScale[e]+a.dataComputedOffset[e],u[e]=s[1]*a.dataComputedScale[e]+a.dataComputedOffset[e],l[e]=(l[e]-a.offset[e])/a.scale[e],u[e]=(u[e]-a.offset[e])/a.scale[e];if(i.setUniform4f("ipScalarRangeMin",l[0],l[1],l[2],l[3]),i.setUniform4f("ipScalarRangeMax",u[0],u[1],u[2],u[3]),null!==t.zBufferTexture){i.setUniformi("zBufferTexture",t.zBufferTexture.getTextureUnit());const e=t._useSmallViewport?[t._smallViewportWidth,t._smallViewportHeight]:t._openGLRenderWindow.getFramebufferSize();i.setUniformf("vpZWidth",e[0]),i.setUniformf("vpZHeight",e[1])}},e.setCameraShaderParameters=(n,r,o)=>{const i=t.openGLCamera.getKeyMatrices(r),a=t.openGLVolume.getKeyMatrices();y(t.modelToView,i.wcvc,a.mcwc);const s=n.getProgram(),l=t.openGLCamera.getRenderable(),u=l.getClippingRange();s.setUniformf("camThick",u[1]-u[0]),s.setUniformf("camNear",u[0]),s.setUniformf("camFar",u[1]);const c=t.currentInput.getBounds(),d=t.currentInput.getDimensions(),p=new Float64Array(3),f=new Float64Array(3);let h=1,g=-1,v=1,b=-1;for(let e=0;e<8;++e)jt(p,c[e%2],c[2+Math.floor(e/2)%2],c[4+Math.floor(e/4)]),Yt(p,p,t.modelToView),l.getParallelProjection()||(Kt(f,p),Ht(p,f,-u[0]/p[2])),Yt(p,p,i.vcpc),h=Math.min(p[0],h),g=Math.max(p[0],g),v=Math.min(p[1],v),b=Math.max(p[1],b);s.setUniformf("dcxmin",h),s.setUniformf("dcxmax",g),s.setUniformf("dcymin",v),s.setUniformf("dcymax",b),s.isUniformUsed("cameraParallel")&&s.setUniformi("cameraParallel",l.getParallelProjection());const x=t.currentInput.getSpatialExtent(),_=t.currentInput.getSpacing(),T=new Float64Array(3);jt(T,(x[1]-x[0])*_[0],(x[3]-x[2])*_[1],(x[5]-x[4])*_[2]),s.setUniform3f("vSpacing",_[0],_[1],_[2]),jt(p,x[0],x[2],x[4]),t.currentInput.indexToWorldVec3(p,p),Yt(p,p,t.modelToView),s.setUniform3f("vOriginVC",p[0],p[1],p[2]);const S=t.currentInput.getIndexToWorld();y(t.idxToView,t.modelToView,S),le(t.idxNormalMatrix,i.normalMatrix,a.normalMatrix),le(t.idxNormalMatrix,t.idxNormalMatrix,t.currentInput.getDirectionByReference());const w=Gt(T)/e.getCurrentSampleDistance(r);w>t.renderable.getMaximumSamplesPerRay()&&il(`The number of steps required ${Math.ceil(w)} is larger than the\n specified maximum number of steps ${t.renderable.getMaximumSamplesPerRay()}.\n Please either change the\n volumeMapper sampleDistance or its maximum number of samples.`);const C=new Float64Array(3);if(jt(C,1,1,1),function(e,t,n){e[0]=t[0]/n[0],e[1]=t[1]/n[1],e[2]=t[2]/n[2]}(C,C,T),s.setUniform3f("vVCToIJK",C[0],C[1],C[2]),s.setUniform3i("volumeDimensions",d[0],d[1],d[2]),!t._openGLRenderWindow.getWebgl2()){const e=t.scalarTexture.getVolumeInfo();s.setUniformf("texWidth",t.scalarTexture.getWidth()),s.setUniformf("texHeight",t.scalarTexture.getHeight()),s.setUniformi("xreps",e.xreps),s.setUniformi("xstride",e.xstride),s.setUniformi("ystride",e.ystride)}const A=new Float64Array(3),E=new Float64Array(3);for(let e=0;e<6;++e){switch(e){case 1:jt(A,-1,0,0),jt(E,x[0],x[2],x[4]);break;case 2:jt(A,0,1,0),jt(E,x[1],x[3],x[5]);break;case 3:jt(A,0,-1,0),jt(E,x[0],x[2],x[4]);break;case 4:jt(A,0,0,1),jt(E,x[1],x[3],x[5]);break;case 5:jt(A,0,0,-1),jt(E,x[0],x[2],x[4]);break;default:jt(A,1,0,0),jt(E,x[1],x[3],x[5])}Jt(A,A,t.idxNormalMatrix),Yt(E,E,t.idxToView);const n=-1*qt(E,A);s.setUniform3f(`vPlaneNormal${e}`,A[0],A[1],A[2]),s.setUniformf(`vPlaneDistance${e}`,n)}if(o.getProperty().getUseLabelOutline()){const n=t.currentInput.getWorldToIndex();s.setUniformMatrix("vWCtoIDX",n);const o=r.getActiveCamera(),[i,a]=o.getClippingRange(),l=o.getDistance();o.setClippingRange(l,l+.1);const u=t.openGLCamera.getKeyMatrices(r);m(t.projectionToWorld,u.wcpc),o.setClippingRange(i,a),t.openGLCamera.getKeyMatrices(r),s.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const c=e.getRenderTargetSize();s.setUniformf("vpWidth",c[0]),s.setUniformf("vpHeight",c[1]);const d=e.getRenderTargetOffset();s.setUniformf("vpOffsetX",d[0]/c[0]),s.setUniformf("vpOffsetY",d[1]/c[1])}if(m(t.projectionToView,i.vcpc),s.setUniformMatrix("PCVCMatrix",t.projectionToView),0===t.lastLightComplexity)return;let D=0;const I=[],O=[],P=[];if(r.getLights().forEach((e=>{if(e.getSwitch()>0){const t=e.getColor(),n=e.getIntensity();I[0+3*D]=t[0]*n,I[1+3*D]=t[1]*n,I[2+3*D]=t[2]*n;const r=e.getDirection();jt(A,r[0],r[1],r[2]),Jt(A,A,i.normalMatrix),Kt(A,A),O[0+3*D]=A[0],O[1+3*D]=A[1],O[2+3*D]=A[2],P[0+3*D]=-.5*A[0],P[1+3*D]=-.5*A[1],P[2+3*D]=-.5*(A[2]-1),D++}})),s.setUniformi("twoSidedLighting",r.getTwoSidedLighting()),s.setUniformi("lightNum",D),s.setUniform3fv("lightColor",I),s.setUniform3fv("lightDirectionVC",O),s.setUniform3fv("lightHalfAngleVC",P),3===t.lastLightComplexity){D=0;const e=[],n=[],o=[],i=[],a=[];r.getLights().forEach((r=>{if(r.getSwitch()>0){const s=r.getAttenuationValues();n[0+3*D]=s[0],n[1+3*D]=s[1],n[2+3*D]=s[2],i[D]=r.getExponent(),o[D]=r.getConeAngle(),a[D]=r.getPositional();const l=r.getTransformedPosition();Yt(l,l,t.modelToView),e[0+3*D]=l[0],e[1+3*D]=l[1],e[2+3*D]=l[2],D+=1}})),s.setUniform3fv("lightPositionVC",e),s.setUniform3fv("lightAttenuation",n),s.setUniformfv("lightConeAngle",o),s.setUniformfv("lightExponent",i),s.setUniformiv("lightPositional",a)}if(t.renderable.getVolumetricScatteringBlending()>0&&(s.setUniformf("giReach",t.renderable.getGlobalIlluminationReach()),s.setUniformf("volumetricScatteringBlending",t.renderable.getVolumetricScatteringBlending()),s.setUniformf("volumeShadowSamplingDistFactor",t.renderable.getVolumeShadowSamplingDistFactor()),s.setUniformf("anisotropy",t.renderable.getAnisotropy()),s.setUniformf("anisotropy2",t.renderable.getAnisotropy()**2)),t.renderable.getLocalAmbientOcclusion()&&o.getProperty().getAmbient()>0){const e=t.renderable.getLAOKernelSize();s.setUniformi("kernelSize",e);const n=[];for(let t=0;t{const o=e.getProgram();o.setUniformi("ctexture",t.colorTexture.getTextureUnit()),o.setUniformi("otexture",t.opacityTexture.getTextureUnit()),o.setUniformi("jtexture",t.jitterTexture.getTextureUnit()),o.setUniformi("ttexture",t.labelOutlineThicknessTexture.getTextureUnit());const i=t.scalarTexture.getVolumeInfo(),a=r.getProperty(),s=t.scalarTexture.getComponents(),l=r.getProperty().getIndependentComponents();if(l&&s>=2)for(let e=0;e0&&(o.setUniformf("vAmbient",a.getAmbient()),o.setUniformf("vDiffuse",a.getDiffuse()),o.setUniformf("vSpecular",a.getSpecular()),o.setUniformf("vSpecularPower",a.getSpecularPower()))},e.getClippingPlaneShaderParameters=(e,n,r)=>{if(t.renderable.getClippingPlanes().length>0){const r=t.openGLCamera.getKeyMatrices(n),o=[],i=[],a=[],s=t.renderable.getClippingPlanes(),l=s.length;for(let e=0;e{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.getRenderTargetSize=()=>{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getCurrentSampleDistance=e=>{const n=e.getVTKWindow().getInteractor(),r=t.renderable.getSampleDistance();return n.isAnimating()?r*t.renderable.getInteractionSampleDistanceFactor():r},e.renderPieceStart=(n,r)=>{const o=n.getVTKWindow().getInteractor();if(t._lastScale||(t._lastScale=t.renderable.getInitialInteractionScale()),t._useSmallViewport=!1,o.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._animationRateSubscription||(t._animationRateSubscription=o.onAnimationFrameRateUpdate((()=>{if(t.renderable.getAutoAdjustSampleDistances()){const e=o.getRecentAnimationFrameRate(),n=o.getDesiredUpdateRate()/e;(n>1.15||n<.85)&&(t._lastScale*=n),t._lastScale>400&&(t._lastScale=400),t._lastScale<1.5&&(t._lastScale=1.5)}else t._lastScale=t.renderable.getImageSampleDistance()*t.renderable.getImageSampleDistance()}))),t._useSmallViewport){const e=t._openGLRenderWindow.getFramebufferSize(),n=1/Math.sqrt(t._lastScale);if(t._smallViewportWidth=Math.ceil(n*e[0]),t._smallViewportHeight=Math.ceil(n*e[1]),t._smallViewportHeight>e[1]&&(t._smallViewportHeight=e[1]),t._smallViewportWidth>e[0]&&(t._smallViewportWidth=e[0]),t.framebuffer.saveCurrentBindingsAndBuffers(),null===t.framebuffer.getGLFramebuffer())t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer();else{const n=t.framebuffer.getSize();n[0]===e[0]&&n[1]===e[1]||(t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer())}t.framebuffer.bind();const r=t.context;r.clearColor(0,0,0,0),r.colorMask(!0,!0,!0,!0),r.clear(r.COLOR_BUFFER_BIT),r.viewport(0,0,t._smallViewportWidth,t._smallViewportHeight),t.fvp=[t._smallViewportWidth/e[0],t._smallViewportHeight/e[1]]}t.context.disable(t.context.DEPTH_TEST),e.updateBufferObjects(n,r),r.getProperty().getInterpolationType()===el.NEAREST?(t.scalarTexture.setMinificationFilter(Qa.NEAREST),t.scalarTexture.setMagnificationFilter(Qa.NEAREST)):(t.scalarTexture.setMinificationFilter(Qa.LINEAR),t.scalarTexture.setMagnificationFilter(Qa.LINEAR)),t.lastBoundBO=null,null!==t.zBufferTexture&&t.zBufferTexture.activate()},e.renderPieceDraw=(n,r)=>{const o=t.context;t.scalarTexture.activate(),t.opacityTexture.activate(),t.labelOutlineThicknessTexture.activate(),t.colorTexture.activate(),t.jitterTexture.activate(),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.scalarTexture.deactivate(),t.colorTexture.deactivate(),t.opacityTexture.deactivate(),t.labelOutlineThicknessTexture.deactivate(),t.jitterTexture.deactivate()},e.renderPieceFinish=(e,n)=>{if(null!==t.zBufferTexture&&t.zBufferTexture.deactivate(),t._useSmallViewport){if(t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader){t.copyShader=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","uniform vec2 tfactor;","varying vec2 tcoord;","void main() { tcoord = vec2(vertexDC.x*0.5 + 0.5, vertexDC.y*0.5 + 0.5) * tfactor; gl_Position = vertexDC; }"].join("\n"),["//VTK::System::Dec","//VTK::Output::Dec","uniform sampler2D texture1;","varying vec2 tcoord;","void main() { gl_FragData[0] = texture2D(texture1,tcoord); }"].join("\n"),"");const e=t.copyShader;t.copyVAO=Ia.newInstance(),t.copyVAO.setOpenGLRenderWindow(t._openGLRenderWindow),t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(e,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||al("Error setting vertexDC in copy shader VAO.")}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(t.copyShader);const e=t._openGLRenderWindow.getFramebufferSize();t.context.viewport(0,0,e[0],e[1]);const n=t.framebuffer.getColorTexture();n.activate(),t.copyShader.setUniformi("texture",n.getTextureUnit()),t.copyShader.setUniform2f("tfactor",t.fvp[0],t.fvp[1]);const r=t.context;r.blendFuncSeparate(r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA),t.context.drawArrays(t.context.TRIANGLES,0,t.tris.getCABO().getElementCount()),n.deactivate(),r.blendFuncSeparate(r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):al("No input!")},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():yr(t.Bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const o=t.currentInput;if(!o)return;const i=o.getPointData()&&o.getPointData().getScalars();if(!i)return;t._scalars!==i&&(t._openGLRenderWindow.releaseGraphicsResourcesForObject(t._scalars),t._scalars=i);const a=r.getProperty();if(!t.jitterTexture.getHandle()){const e=new Uint8Array(1024);for(let t=0;t<1024;++t)e[t]=255*Math.random();t.jitterTexture.setMinificationFilter(Qa.LINEAR),t.jitterTexture.setMagnificationFilter(Qa.LINEAR),t.jitterTexture.create2DFromRaw(32,32,1,on.UNSIGNED_CHAR,e)}const s=i.getNumberOfComponents(),l=a.getIndependentComponents()?s:1,u=a.getScalarOpacity(),c=t._openGLRenderWindow.getGraphicsResourceForObject(u);let d=sl(a,u,l);if(c.vtkObj&&c.hash===d&&t.opacityTextureString===d)t.opacityTexture=c.vtkObj,t.opacityTextureString=c.hash;else{const r=1024,o=2*r*l,i=new Float32Array(o),s=new Float32Array(r);for(let t=0;t1?1:-1,e[3*t+2]=-1;const n=new Uint16Array(8);n[0]=3,n[1]=0,n[2]=1,n[3]=3,n[4]=3,n[5]=0,n[6]=3,n[7]=2;const r=Wr.newInstance({numberOfComponents:3,values:e});r.setName("points");const o=Wr.newInstance({numberOfComponents:1,values:n});t.tris.getCABO().createVBO(o,"polys",ua.SURFACE,{points:r,cellOffset:0})}t.VBOBuildTime.modified()},e.updateLabelOutlineThicknessTexture=e=>{const n=e.getProperty().getLabelOutlineThickness(),r=t._openGLRenderWindow.getGraphicsResourceForObject(n),o=`${n.join("-")}`;if(r?.vtkObj&&r?.hash===o&&t.labelOutlineThicknessTextureString===o)t.labelOutlineThicknessTexture=r.vtkObj,t.labelOutlineThicknessTextureString=r.hash;else{const e=1024,r=1,i=new Uint8Array(e*r);for(let t=0;t2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ul,n),Tt.extend(e,t,n),t.VBOBuildTime={},je(t.VBOBuildTime,{mtime:0}),t.tris=Ra.newInstance(),t.scalarTexture=hs.newInstance(),t.opacityTexture=hs.newInstance(),t.colorTexture=hs.newInstance(),t.jitterTexture=hs.newInstance(),t.jitterTexture.setWrapS(Ja.REPEAT),t.jitterTexture.setWrapT(Ja.REPEAT),t.labelOutlineThicknessTexture=hs.newInstance(),t.framebuffer=Zs.newInstance(),t.idxToView=f(new Float64Array(16)),t.idxNormalMatrix=ae(new Float64Array(9)),t.modelToView=f(new Float64Array(16)),t.projectionToView=f(new Float64Array(16)),t.projectionToWorld=f(new Float64Array(16)),$e(e,t,["context"]),ll(e,t)}),"vtkOpenGLVolumeMapper");Dt("vtkVolumeMapper",cl);const{vtkDebugMacro:dl}=vt;function pl(e,t){t.classHierarchy.push("vtkOpenGLPixelSpaceCallbackMapper"),e.opaquePass=(n,r)=>{t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent();const o=t._openGLRenderer.getAspectRatio(),i=t._openGLRenderer?t._openGLRenderer.getRenderable().getActiveCamera():null,a=t._openGLRenderer.getTiledSizeAndOrigin();let s=null;if(t.renderable.getUseZValues()){const e=r.getZBufferTexture(),n=Math.floor(e.getWidth()),o=Math.floor(e.getHeight()),i=t._openGLRenderWindow.getContext();e.bind();const a=r.getFramebuffer();a?a.saveCurrentBindingsAndBuffers():dl("No framebuffer to save/restore");const l=i.createFramebuffer();i.bindFramebuffer(i.FRAMEBUFFER,l),i.framebufferTexture2D(i.FRAMEBUFFER,i.COLOR_ATTACHMENT0,i.TEXTURE_2D,e.getHandle(),0),i.checkFramebufferStatus(i.FRAMEBUFFER)===i.FRAMEBUFFER_COMPLETE&&(s=new Uint8Array(n*o*4),i.viewport(0,0,n,o),i.readPixels(0,0,n,o,i.RGBA,i.UNSIGNED_BYTE,s)),a&&a.restorePreviousBindingsAndBuffers(),i.deleteFramebuffer(l)}t.renderable.invokeCallback(t.renderable.getInputData(),i,o,a,s)},e.queryPass=(e,n)=>{e&&t.renderable.getUseZValues()&&n.requestDepth()}}const fl={};const hl=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,fl,n),Tt.extend(e,t,n),pl(e,t)}),"vtkOpenGLPixelSpaceCallbackMapper");Dt("vtkPixelSpaceCallbackMapper",hl);const ml=Object.create(null);function gl(e,t){ml[e]=t}function vl(e,t){t.classHierarchy.push("vtkWebGPUViewNodeFactory")}const yl={};function bl(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,yl,n),t.overrides=ml,At.extend(e,t,n),vl(0,t)}var xl={newInstance:gt.newInstance(bl,"vtkWebGPUViewNodeFactory"),extend:bl};function _l(e,t){t.classHierarchy.push("vtkWebGPUCamera"),e.getProjectionMatrix=(e,n,r,o)=>{if(f(e),t.renderable.getParallelProjection()){const i=t.renderable.getParallelScale(),a=i*n,s=i,l=(o[0]-1)*a,u=(o[0]+1)*a,c=(o[1]-1)*s,d=(o[1]+1)*s,p=1/(u-l),f=1/(d-c);e[0]=2*p,e[5]=2*f,e[10]=1/(r[1]-r[0]),e[12]=(u+l)*p,e[13]=(d+c)*f,e[14]=r[1]/(r[1]-r[0])}else{const i=Math.tan(Math.PI*t.renderable.getViewAngle()/360);let a,s;!0===t.renderable.getUseHorizontalViewAngle()?(a=r[0]*i,s=r[0]*i/n):(a=r[0]*i*n,s=r[0]*i);const l=(o[0]-1)*a,u=(o[0]+1)*a,c=(o[1]-1)*s,d=(o[1]+1)*s;e[0]=2*r[0]/(u-l),e[5]=2*r[0]/(d-c),e[12]=(l+u)/(u-l),e[13]=(c+d)/(d-c),e[10]=0,e[14]=r[0],e[11]=-1,e[15]=0}},e.convertToOpenGLDepth=e=>{if(t.renderable.getParallelProjection())return 1-e;const n=t.renderable.getClippingRangeByReference();let r=-n[0]/e;return 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lu(e,t){t.classHierarchy.push("vtkWebGPUFullScreenQuad"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position"),r.addOutput("vec4","vertexVC");let o=r.getCode();o=Fl.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4(vertexBC, 1.0);","output.vertexVC = vec4(vertexBC, 1);"]).result,r.setCode(o)},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.updateBuffers=()=>{const e=t.device.getBufferManager().getFullScreenQuadBuffer();t.vertexInput.addBuffer(e,["vertexBC"]),t.numberOfVertices=6}}const uu={};function cu(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uu,n),su.extend(e,t,n),lu(e,t)}var du={newInstance:gt.newInstance(cu,"vtkWebGPUFullScreenQuad"),extend:cu},pu={BufferUsage:{Verts:0,Lines:1,Triangles:2,Strips:3,LinesFromStrips:4,LinesFromTriangles:5,Points:6,UniformArray:7,PointArray:8,NormalsFromPoints:9,Texture:10,RawVertex:11,Storage:12,Index:13},PrimitiveTypes:{Start:0,Points:0,Lines:1,Triangles:2,TriangleStrips:3,TriangleEdges:4,TriangleStripEdges:5,End:6}};const fu=["getMappedRange","mapAsync","unmap"];function hu(e,t){t.classHierarchy.push("vtkWebGPUBuffer"),e.create=(e,n)=>{t.handle=t.device.getHandle().createBuffer({size:e,usage:n,label:t.label}),t.sizeInBytes=e,t.usage=n},e.write=e=>{!function(e,t,n,r){const o=r.byteLength,i=e.createBuffer({size:o,usage:GPUBufferUsage.COPY_SRC,mappedAtCreation:!0}),a=i.getMappedRange(0,o);new Uint8Array(a).set(new Uint8Array(r)),i.unmap();const s=e.createCommandEncoder();s.copyBufferToBuffer(i,0,t,0,o);const l=s.finish();e.queue.submit([l]),i.destroy()}(t.device.getHandle(),t.handle,0,e.buffer)},e.createAndWrite=(e,n)=>{t.handle=t.device.getHandle().createBuffer({size:e.byteLength,usage:n,mappedAtCreation:!0,label:t.label}),t.sizeInBytes=e.byteLength,t.usage=n,new Uint8Array(t.handle.getMappedRange()).set(new Uint8Array(e.buffer)),t.handle.unmap()};for(let n=0;n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,mu,n),gt.obj(e,t),gt.get(e,t,["handle","sizeInBytes","usage"]),gt.setGet(e,t,["strideInBytes","device","arrayInformation","label","sourceTime"]),hu(e,t)}var vu={newInstance:gt.newInstance(gu),extend:gu,...pu};const{Representation:yu,Interpolation:bu}=ca;function xu(e){return()=>gt.vtkErrorMacro(`vtkProperty::${e} - NOT IMPLEMENTED`)}function _u(e,t){t.classHierarchy.push("vtkProperty"),e.setColor=(n,r,o)=>{Array.isArray(n)?t.color[0]===n[0]&&t.color[1]===n[1]&&t.color[2]===n[2]||(t.color[0]=n[0],t.color[1]=n[1],t.color[2]=n[2],e.modified()):t.color[0]===n&&t.color[1]===r&&t.color[2]===o||(t.color[0]=n,t.color[1]=r,t.color[2]=o,e.modified()),e.setDiffuseColor(t.color),e.setAmbientColor(t.color),e.setSpecularColor(t.color)},e.computeCompositeColor=xu("ComputeCompositeColor"),e.getColor=()=>{let e=0;t.ambient+t.diffuse+t.specular>0&&(e=1/(t.ambient+t.diffuse+t.specular));for(let n=0;n<3;n++)t.color[n]=e*(t.ambient*t.ambientColor[n]+t.diffuse*t.diffuseColor[n]+t.specular*t.specularColor[n]);return[].concat(t.color)},e.setSpecularPower=n=>{const r=1/Math.max(1,n);t.roughness===r&&t.specularPower===n||(t.specularPower=n,t.roughness=r,e.modified())},e.addShaderVariable=xu("AddShaderVariable"),e.setInterpolationToFlat=()=>e.setInterpolation(bu.FLAT),e.setInterpolationToGouraud=()=>e.setInterpolation(bu.GOURAUD),e.setInterpolationToPhong=()=>e.setInterpolation(bu.PHONG),e.getInterpolationAsString=()=>gt.enumToString(bu,t.interpolation),e.setRepresentationToWireframe=()=>e.setRepresentation(yu.WIREFRAME),e.setRepresentationToSurface=()=>e.setRepresentation(yu.SURFACE),e.setRepresentationToPoints=()=>e.setRepresentation(yu.POINTS),e.getRepresentationAsString=()=>gt.enumToString(yu,t.representation)}const Tu={color:[1,1,1],ambientColor:[1,1,1],diffuseColor:[1,1,1],specularColor:[1,1,1],edgeColor:[0,0,0],ambient:0,diffuse:1,metallic:0,roughness:.6,normalStrength:1,emission:1,baseIOR:1.45,specular:0,specularPower:1,opacity:1,interpolation:bu.GOURAUD,representation:yu.SURFACE,edgeVisibility:!1,backfaceCulling:!1,frontfaceCulling:!1,pointSize:1,lineWidth:1,lighting:!0,shading:!1,materialName:null};function Su(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Tu,n),gt.obj(e,t),gt.setGet(e,t,["lighting","interpolation","ambient","diffuse","metallic","roughness","normalStrength","emission","baseIOR","specular","specularPower","opacity","edgeVisibility","lineWidth","pointSize","backfaceCulling","frontfaceCulling","representation","diffuseTexture","metallicTexture","roughnessTexture","normalTexture","ambientOcclusionTexture","emissionTexture"]),gt.setGetArray(e,t,["ambientColor","specularColor","diffuseColor","edgeColor"],3),_u(e,t)}var wu={newInstance:gt.newInstance(Su,"vtkProperty"),extend:Su,...ca};const{Representation:Cu}=wu,{PrimitiveTypes:Au}=pu;class Eu{constructor(){this.keys=new Uint32Array(10),this.values=new Uint32Array(10),this.count=0}clear(){this.count=0}has(e){for(let t=0;t2)for(let i=0;i2){for(let i=0;i{const n=e.cells,r=e.primitiveType,o=e.representation,i=e.cellOffset,a=n.getData(),s=a.length,l=function(e){switch(e){case Au.Points:return"points";case Au.Lines:return"lines";case Au.Triangles:case Au.TriangleEdges:return"polys";case Au.TriangleStripEdges:case Au.TriangleStrips:return"strips";default:return""}}(r),u=e.numberOfPoints,c={provokedPointIds:new Uint8Array(u),extraPoints:0,iboSize:0,flatId:0,iboId:0,cellProvokedMap:new Eu};let d=null;d=o===Cu.POINTS||r===Au.Points?Fu.anythingToPoints:o===Cu.WIREFRAME||r===Au.Lines?Fu[`${l}ToWireframe`]:Fu[`${l}ToSurface`],Pu=Ou;let p=i||0;for(let e=0;e2&&void 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2:t+="x2";break;case 3:t.includes("32")||Gu(`unsupported x3 type for ${t}`),t+="x3";break;case 4:t+="x4"}return t}(t),o={hash:`${t.getMTime()}I${n.getMTime()}${r}`,usage:Uu.PointArray,format:r,dataArray:t,indexBuffer:n};return e.getBuffer(o)},e.getFullScreenQuadBuffer=()=>{if(t.fullScreenQuadBuffer)return t.fullScreenQuadBuffer;t.fullScreenQuadBuffer=vu.newInstance(),t.fullScreenQuadBuffer.setDevice(t.device);const e=new Float32Array([-1,-1,0,1,-1,0,1,1,0,-1,-1,0,1,1,0,-1,1,0]);return t.fullScreenQuadBuffer.createAndWrite(e,GPUBufferUsage.VERTEX),t.fullScreenQuadBuffer.setStrideInBytes(12),t.fullScreenQuadBuffer.setArrayInformation([{offset:0,format:"float32x3"}]),t.fullScreenQuadBuffer}}const Xu={device:null,fullScreenQuadBuffer:null};function Ku(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Xu,n),je(e,t),$e(e,t,["device"]),Hu(e,t)}var qu={newInstance:rt(Ku),extend:Ku,...pu};const{BufferUsage:$u}=qu,{vtkErrorMacro:Yu}=gt;function Ju(e,t){t.classHierarchy.push("vtkWebGPUStorageBuffer"),e.addEntry=(e,n)=>{if(t._bufferEntryNames.has(e))return void Yu(`entry named ${e} already exists`);t._bufferEntryNames.set(e,t.bufferEntries.length);const r=$l(n);t.bufferEntries.push({name:e,type:n,sizeInBytes:r,offset:t.sizeInBytes,nativeType:Yl(n)}),t.sizeInBytes+=r},e.send=e=>{if(!t._buffer){const n={nativeArray:t.Float32Array,usage:$u.Storage,label:t.label};return t._buffer=e.getBufferManager().getBuffer(n),t.bindGroupTime.modified(),void t._sendTime.modified()}e.getHandle().queue.writeBuffer(t._buffer.getHandle(),0,t.arrayBuffer,0,t.sizeInBytes*t.numberOfInstances),t._sendTime.modified()},e.createView=e=>{e in t==0&&(t.arrayBuffer||(t.arrayBuffer=new ArrayBuffer(t.sizeInBytes*t.numberOfInstances)),t[e]=gt.newTypedArray(e,t.arrayBuffer))},e.setValue=(n,r,o)=>{const i=t._bufferEntryNames.get(n);if(void 0===i)return void Yu(`entry named ${n} not found in UBO`);const a=t.bufferEntries[i];e.createView(a.nativeType);const 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e=0;et._sendTime.getMTime(),e.getShaderCode=(e,n)=>{const r=[`struct ${t.label}StructEntry\n{`];for(let e=0;e,\n};\n@binding(${e}) @group(${n}) var ${t.label}: ${t.label}Struct;\n`),r.join("\n")},e.getBindGroupEntry=()=>({resource:{buffer:t._buffer.getHandle()}}),e.clearData=()=>{t.numberOfInstances=0,t.sizeInBytes=0,t.bufferEntries=[],t._bufferEntryNames=new Map,t._buffer=null,delete t.arrayBuffer,delete t.Float32Array}}const Qu={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,numberOfInstances:1};function Zu(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Qu,n),gt.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t._sendTime={},gt.obj(t._sendTime,{mtime:0}),t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"read-only-storage"}},gt.get(e,t,["bindGroupTime"]),gt.setGet(e,t,["device","bindGroupLayoutEntry","label","numberOfInstances","sizeInBytes"]),Ju(e,t)}var ec={newInstance:gt.newInstance(Zu,"vtkWebGPUStorageBuffer"),extend:Zu};const{BufferUsage:tc}=qu,{vtkErrorMacro:nc}=gt;function rc(e,t){t.classHierarchy.push("vtkWebGPUUniformBuffer"),e.addEntry=(e,n)=>{t._bufferEntryNames.has(e)?nc(`entry named ${e} already exists`):(t.sortDirty=!0,t._bufferEntryNames.set(e,t.bufferEntries.length),t.bufferEntries.push({name:e,type:n,sizeInBytes:$l(n),offset:-1,nativeType:Yl(n),packed:!1}))},e.sortBufferEntries=()=>{if(!t.sortDirty)return;let e=0;const n=[];let r=4;for(let e=0;e4&&(o.packed=!0,o.offset=e,n.push(o),e+=o.sizeInBytes)}for(let r=0;r{if(!t.UBO){const n={nativeArray:t.Float32Array,usage:tc.UniformArray,label:t.label};t.UBO=e.getBufferManager().getBuffer(n),t.bindGroupTime.modified(),t.sendDirty=!1}t.sendDirty&&(e.getHandle().queue.writeBuffer(t.UBO.getHandle(),0,t.arrayBuffer,0,t.sizeInBytes),t.sendDirty=!1),t.sendTime.modified()},e.createView=e=>{e in t==0&&(t.arrayBuffer||(t.arrayBuffer=new ArrayBuffer(t.sizeInBytes)),t[e]=gt.newTypedArray(e,t.arrayBuffer))},e.setValue=(n,r)=>{e.sortBufferEntries();const o=t._bufferEntryNames.get(n);if(void 0===o)return void nc(`entry named ${n} not found in UBO`);const i=t.bufferEntries[o];e.createView(i.nativeType);const a=t[i.nativeType];i.lastValue!==r&&(a[i.offset/a.BYTES_PER_ELEMENT]=r,t.sendDirty=!0),i.lastValue=r},e.setArray=(n,r)=>{e.sortBufferEntries();const o=t._bufferEntryNames.get(n);if(void 0===o)return void nc(`entry named ${n} not found in UBO`);const i=t.bufferEntries[o];e.createView(i.nativeType);const a=t[i.nativeType];let s=!1;for(let e=0;e({resource:{buffer:t.UBO.getHandle()}}),e.getSendTime=()=>t.sendTime.getMTime(),e.getShaderCode=(n,r)=>{e.sortBufferEntries();const o=[`struct ${t.label}Struct\n{`];for(let e=0;e ${t.label}: ${t.label}Struct;`),o.join("\n")}}const oc={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,bindGroupLayoutEntry:null,bindGroupEntry:null};function ic(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,oc,n),gt.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"uniform"}},t.sendTime={},gt.obj(t.sendTime,{mtime:0}),t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),t.sendDirty=!0,t.sortDirty=!0,gt.get(e,t,["binding","bindGroupTime"]),gt.setGet(e,t,["bindGroupLayoutEntry","device","label","sizeInBytes"]),rc(e,t)}var ac={newInstance:gt.newInstance(ic,"vtkWebGPUUniformBuffer"),extend:ic};const{vtkDebugMacro:sc}=vt,lc="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = mapperUBO.BackgroundColor;\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n",uc=new Float64Array(16),cc=new Float64Array(16);function dc(e,t){t.classHierarchy.push("vtkWebGPURenderer"),e.buildPass=n=>{if(n){if(!t.renderable)return;t.camera=t.renderable.getActiveCamera(),e.updateLights(),e.prepareNodes(),e.addMissingNode(t.camera),e.addMissingNodes(t.renderable.getViewPropsWithNestedProps()),e.removeUnusedNodes(),t.webgpuCamera=e.getViewNodeFor(t.camera),e.updateStabilizedMatrix()}},e.updateStabilizedMatrix=()=>{const e=t.camera.getClippingRange(),n=t.camera.getPositionByReference(),r=[],o=[];Ht(o,t.camera.getDirectionOfProjectionByReference(),.5*(e[0]+e[1])),function(e,t,n){e[0]=t[0]+n[0],e[1]=t[1]+n[1],e[2]=t[2]+n[2]}(r,n,o),tn(o,r,t.stabilizedCenter),nn(o)/(e[1]-e[0])>t.recenterThreshold&&(t.stabilizedCenter=r,t.stabilizedTime.modified())},e.updateLights=()=>{let e=0;const n=t.renderable.getLightsByReference();for(let t=0;t0&&e++;return e||(sc("No lights are on, creating one."),t.renderable.createLight()),e},e.updateUBO=()=>{const n=t.UBO.getSendTime();if(t._parent.getMTime()>n||e.getMTime()>n||t.camera.getMTime()>n||t.renderable.getMTime()>n){const n=t.webgpuCamera.getKeyMatrices(e);t.UBO.setArray("WCVCMatrix",n.wcvc),t.UBO.setArray("SCPCMatrix",n.scpc),t.UBO.setArray("PCSCMatrix",n.pcsc),t.UBO.setArray("SCVCMatrix",n.scvc),t.UBO.setArray("VCPCMatrix",n.vcpc),t.UBO.setArray("WCVCNormals",n.normalMatrix),t.UBO.setValue("LightCount",t.renderable.getLights().length),t.UBO.setValue("MaxEnvironmentMipLevel",t.renderable.getEnvironmentTexture()?.getMipLevel()),t.UBO.setValue("BackgroundDiffuseStrength",t.renderable.getEnvironmentTextureDiffuseStrength()),t.UBO.setValue("BackgroundSpecularStrength",t.renderable.getEnvironmentTextureSpecularStrength());const r=e.getYInvertedTiledSizeAndOrigin();t.UBO.setArray("viewportSize",[r.usize,r.vsize]),t.UBO.setValue("cameraParallel",t.camera.getParallelProjection());const o=t._parent.getDevice();t.UBO.sendIfNeeded(o)}},e.updateSSBO=()=>{const n=t.renderable.getLights(),r=t.webgpuCamera.getKeyMatrices(e);let o=`${t.renderable.getMTime()}`;for(let e=0;e=90?0:2:1,s[l+1]=Math.cos(xn(n[t].getConeAngle())),s[l+2]=Math.cos(xn(n[t].getConeAngle()+n[t].getConeFalloff())),s[l+3]=0}t.SSBO.clearData(),t.SSBO.setNumberOfInstances(n.length),t.SSBO.addEntry("LightPos","vec4"),t.SSBO.addEntry("LightDir","vec4"),t.SSBO.addEntry("LightColor","vec4"),t.SSBO.addEntry("LightData","vec4"),t.SSBO.setAllInstancesFromArray("LightPos",e),t.SSBO.setAllInstancesFromArray("LightDir",o),t.SSBO.setAllInstancesFromArray("LightColor",a),t.SSBO.setAllInstancesFromArray("LightData",s);const l=t._parent.getDevice();t.SSBO.send(l)}var i;t.lightTimeString=o},e.scissorAndViewport=t=>{const n=e.getYInvertedTiledSizeAndOrigin();t.getHandle().setViewport(n.lowerLeftU,n.lowerLeftV,n.usize,n.vsize,0,1),t.getHandle().setScissorRect(n.lowerLeftU,n.lowerLeftV,n.usize,n.vsize)},e.bindUBO=e=>{e.activateBindGroup(t.bindGroup)},e.opaquePass=n=>{n?(t.renderEncoder.begin(t._parent.getCommandEncoder()),e.updateUBO(),e.updateSSBO()):(e.scissorAndViewport(t.renderEncoder),e.clear(),t.renderEncoder.end())},e.clear=()=>{if(t.renderable.getTransparent()||t.suppressClear)return;const n=t._parent.getDevice();if(!t.clearFSQ){t.clearFSQ=du.newInstance(),t.clearFSQ.setDevice(n),t.clearFSQ.setPipelineHash("clearfsq"),t.clearFSQ.setFragmentShaderTemplate(lc);const e=ac.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e),t.backgroundTex=t.renderable.getEnvironmentTexture()}if("clearfsqwithtexture"!==t.clearFSQ.getPipelineHash()&&t.renderable.getUseEnvironmentTextureAsBackground()&&t.backgroundTex?.getImageLoaded()){t.clearFSQ.setFragmentShaderTemplate("\nfn vecToRectCoord(dir: vec3) -> vec2 {\n var tau: f32 = 6.28318530718;\n var pi: f32 = 3.14159265359;\n var out: vec2 = vec2(0.0);\n\n out.x = atan2(dir.z, dir.x) / tau;\n out.x += 0.5;\n\n var phix: f32 = length(vec2(dir.x, dir.z));\n out.y = atan2(dir.y, phix) / pi + 0.5;\n\n return out;\n}\n\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var tcoord: vec4 = vec4(input.vertexVC.xy, -1, 1);\n var V: vec4 = normalize(mapperUBO.FSQMatrix * tcoord); // vec2((input.tcoordVS.x - 0.5) * 2, -(input.tcoordVS.y - 0.5) * 2);\n // textureSampleLevel gets rid of some ugly artifacts\n var background = textureSampleLevel(EnvironmentTexture, EnvironmentTextureSampler, vecToRectCoord(V.xyz), 0);\n var computedColor: vec4 = vec4(background.rgb, 1);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n");const e=ac.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e);const r=n.getTextureManager().getTextureForVTKTexture(t.backgroundTex);if(r.getReady()){const e=r.createView("EnvironmentTexture");t.clearFSQ.setTextureViews([e]),t.backgroundTexLoaded=!0;const o=t.backgroundTex.getInterpolate()?"linear":"nearest";e.addSampler(n,{addressModeU:"repeat",addressModeV:"clamp-to-edge",addressModeW:"repeat",minFilter:o,magFilter:o,mipmapFilter:"linear"})}t.clearFSQ.setPipelineHash("clearfsqwithtexture")}else if("clearfsqwithtexture"===t.clearFSQ.getPipelineHash()&&!t.renderable.getUseEnvironmentTextureAsBackground()){t.clearFSQ=du.newInstance(),t.clearFSQ.setDevice(n),t.clearFSQ.setPipelineHash("clearfsq"),t.clearFSQ.setFragmentShaderTemplate(lc);const e=ac.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e)}const r=t.webgpuCamera.getKeyMatrices(e),o=t.renderable.getBackgroundByReference();t.clearFSQ.getUBO().setArray("BackgroundColor",o),h(cc,r.normalMatrix),re(uc,r.scvc,r.pcsc),re(uc,cc,uc),t.clearFSQ.getUBO().setArray("FSQMatrix",uc),t.clearFSQ.getUBO().sendIfNeeded(n),t.clearFSQ.prepareAndDraw(t.renderEncoder)},e.translucentPass=n=>{n?t.renderEncoder.begin(t._parent.getCommandEncoder()):(e.scissorAndViewport(t.renderEncoder),t.renderEncoder.end())},e.volumeDepthRangePass=n=>{n?t.renderEncoder.begin(t._parent.getCommandEncoder()):(e.scissorAndViewport(t.renderEncoder),t.renderEncoder.end())},e.getAspectRatio=()=>{const e=t._parent.getSizeByReference(),n=t.renderable.getViewportByReference();return e[0]*(n[2]-n[0])/((n[3]-n[1])*e[1])},e.convertToOpenGLDepth=e=>t.webgpuCamera.convertToOpenGLDepth(e),e.getYInvertedTiledSizeAndOrigin=()=>{const n=e.getTiledSizeAndOrigin(),r=t._parent.getSizeByReference();return n.lowerLeftV=r[1]-n.vsize-n.lowerLeftV,n},e.getTiledSizeAndOrigin=()=>{const e=t.renderable.getViewportByReference(),n=[0,0,1,1],r=e[0]-n[0],o=e[1]-n[1],i=t._parent.normalizedDisplayToDisplay(r,o),a=Math.round(i[0]),s=Math.round(i[1]),l=e[2]-n[0],u=e[3]-n[1],c=t._parent.normalizedDisplayToDisplay(l,u);let d=Math.round(c[0])-a,p=Math.round(c[1])-s;return d<0&&(d=0),p<0&&(p=0),{usize:d,vsize:p,lowerLeftU:a,lowerLeftV:s}},e.getPropFromID=e=>{for(let n=0;nt.stabilizedTime.getMTime(),e.releaseGraphicsResources=()=>{null!==t.selector&&t.selector.releaseGraphicsResources()}}const pc={bindGroup:null,selector:null,renderEncoder:null,recenterThreshold:20,suppressClear:!1,stabilizedCenter:[0,0,0]};const fc=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,pc,n),Tt.extend(e,t,n),t.UBO=ac.newInstance({label:"rendererUBO"}),t.UBO.addEntry("WCVCMatrix","mat4x4"),t.UBO.addEntry("SCPCMatrix","mat4x4"),t.UBO.addEntry("PCSCMatrix","mat4x4"),t.UBO.addEntry("SCVCMatrix","mat4x4"),t.UBO.addEntry("VCPCMatrix","mat4x4"),t.UBO.addEntry("WCVCNormals","mat4x4"),t.UBO.addEntry("viewportSize","vec2"),t.UBO.addEntry("LightCount","i32"),t.UBO.addEntry("MaxEnvironmentMipLevel","f32"),t.UBO.addEntry("BackgroundDiffuseStrength","f32"),t.UBO.addEntry("BackgroundSpecularStrength","f32"),t.UBO.addEntry("cameraParallel","u32"),t.SSBO=ec.newInstance({label:"rendererLightSSBO"}),t.lightTimeString="",t.bindGroup=El.newInstance({label:"rendererBG"}),t.bindGroup.setBindables([t.UBO,t.SSBO]),t.tmpMat4=f(new Float64Array(16)),t.stabilizedTime={},je(t.stabilizedTime,{mtime:0}),He(e,t,["bindGroup","stabilizedTime"]),Ye(e,t,["stabilizedCenter"]),$e(e,t,["renderEncoder","selector","suppressClear","UBO"]),dc(e,t)}),"vtkWebGPURenderer");function hc(e,t){t.classHierarchy.push("vtkWebGPUSampler"),e.create=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};t.device=e,t.options.addressModeU=n.addressModeU?n.addressModeU:"clamp-to-edge",t.options.addressModeV=n.addressModeV?n.addressModeV:"clamp-to-edge",t.options.addressModeW=n.addressModeW?n.addressModeW:"clamp-to-edge",t.options.magFilter=n.magFilter?n.magFilter:"nearest",t.options.minFilter=n.minFilter?n.minFilter:"nearest",t.options.mipmapFilter=n.mipmapFilter?n.mipmapFilter:"nearest",t.options.label=t.label,t.handle=t.device.getHandle().createSampler(t.options),t.bindGroupTime.modified()},e.getShaderCode=(e,n)=>`@binding(${e}) @group(${n}) var ${t.label}: sampler;`,e.getBindGroupEntry=()=>({resource:t.handle})}gl("vtkRenderer",fc);const mc={device:null,handle:null,label:null,options:null};function gc(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,mc,n),gt.obj(e,t),t.options={},t.bindGroupLayoutEntry={visibility:GPUShaderStage.VERTEX|GPUShaderStage.FRAGMENT,sampler:{}},t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),gt.get(e,t,["bindGroupTime","handle","options"]),gt.setGet(e,t,["bindGroupLayoutEntry","device","label"]),hc(e,t)}var vc={newInstance:gt.newInstance(gc),extend:gc};const{SlicingMode:yc}=Is,bc="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Image::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n //VTK::Image::Sample\n\n // var computedColor: vec4 = vec4(1.0,0.7, 0.5, 1.0);\n\n//VTK::RenderEncoder::Impl\n\n return output;\n}\n",xc=new Float64Array(16),_c=new Float64Array(16),Tc=new Float64Array(16),Sc=new Float64Array(4),wc=new Float64Array(4);function Cc(e,t){t.classHierarchy.push("vtkWebGPUImageMapper"),e.buildPass=n=>{if(n){t.WebGPUImageSlice=e.getFirstAncestorOfType("vtkWebGPUImageSlice"),t.WebGPURenderer=t.WebGPUImageSlice.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent(),t.device=t.WebGPURenderWindow.getDevice();const n=t.WebGPURenderer.getRenderable();t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(n.getActiveCamera())}},e.translucentPass=t=>{t&&e.render()},e.opaquePass=t=>{t&&e.render()},e.render=()=>{t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.prepareToDraw(t.WebGPURenderer.getRenderEncoder()),t.renderEncoder.registerDrawCallback(t.pipeline,e.draw)},e.computePipelineHash=()=>{const e=t.currentInput.getExtent();e[0]===e[1]||e[2]===e[3]||e[4]===e[5]?(t.dimensions=2,t.pipelineHash="img2"):(t.dimensions=3,t.pipelineHash="img3")},e.updateUBO=()=>{const n=t.UBO.getSendTime(),r=t.WebGPUImageSlice.getRenderable(),o=r.getMapper();if(e.getMTime()>n||t.renderable.getMTime()>n||r.getProperty().getMTime()>n){const e=o.getInputData(),n=t.WebGPURenderer.getStabilizedCenterByReference();f(xc),b(xc,xc,n);const i=r.getMatrix();h(_c,i),m(_c,_c),y(xc,_c,xc);const a=e.getWorldToIndex();y(xc,a,xc),m(Tc,xc),C(_c,[.5,.5,.5]),y(xc,_c,xc);const s=e.getDimensions();f(_c),x(_c,_c,[1/s[0],1/s[1],1/s[2]]),y(xc,_c,xc),t.UBO.setArray("SCTCMatrix",xc);const l=t.currentInput.getExtent(),{ijkMode:u}=t.renderable.getClosestIJKAxis();let c=t.renderable.getSlice();u!==t.renderable.getSlicingMode()&&(c=t.renderable.getSliceAtPosition(c));let d=2,p=0,g=1;u===yc.I?(d=0,p=1,g=2):u===yc.J&&(d=1,p=2,g=0),Sc[d]=c,Sc[p]=l[2*p]-.5,Sc[g]=l[2*g]-.5,Sc[3]=1,Mo(Sc,Sc,Tc),t.UBO.setArray("Origin",Sc),wc[d]=c,wc[p]=l[2*p+1]+.5,wc[g]=l[2*g]-.5,wc[3]=1,Mo(wc,wc,Tc),No(wc,wc,Sc),wc[3]=1,t.UBO.setArray("Axis1",wc),wc[d]=c,wc[p]=l[2*p]-.5,wc[g]=l[2*g+1]+.5,wc[3]=1,Mo(wc,wc,Tc),No(wc,wc,Sc),wc[3]=1,t.UBO.setArray("Axis2",wc);const v=[1,1,1,1],_=[0,0,0,0],T=t.textureViews[0],S=T.getTexture().getScale(),w=T.getTexture().getNumberOfComponents();for(let e=0;e{const n=t.WebGPUImageSlice.getRenderable().getProperty();e.getTextureViews()[0].getTexture().getNumberOfComponents();const r=function(e,t,n){if(t.apply(e)){const t=e.getIndependentComponents();return`${e.getMTime()}-${t}-1`}return"0"}(n,n.getRGBTransferFunction);if(t.colorTextureString!==r){t.numRows=1;const e=new Uint8Array(2*t.numRows*t.rowLength*4);let o=n.getRGBTransferFunction();if(o){const r=new Float32Array(3*t.rowLength);for(let i=0;i<1;i++){o=n.getRGBTransferFunction(i);const a=o.getRange();o.getTable(a[0],a[1],t.rowLength,r,1);for(let n=0;n{n();const r=t.device.getTextureManager().getTextureForImageData(t.currentInput),o=t.textureViews;if(!o[0]||o[0].getTexture()!==r){const e=r.createView("imgTexture");o[0]=e}e.updateLUTImage(),e.updateUBO();const i=t.WebGPUImageSlice.getRenderable().getProperty().getInterpolationType()===Ts?"nearest":"linear";t.clampSampler&&i===t.clampSampler.getOptions().minFilter||(t.clampSampler=vc.newInstance({label:"clampSampler"}),t.clampSampler.create(t.device,{minFilter:i,magFilter:i}),t.additionalBindables=[t.clampSampler])};const r=e.getShaderReplacements();e.replaceShaderPosition=(e,n,r)=>{const o=n.getShaderDescription("vertex");o.addBuiltinOutput("vec4","@builtin(position) Position");let i=o.getCode();const a=["var pos: vec4 = mapperUBO.Origin +"," (vertexBC.x * 0.5 + 0.5) * mapperUBO.Axis1 + (vertexBC.y * 0.5 + 0.5) * mapperUBO.Axis2;","pos.w = 1.0;"];2===t.dimensions?a.push("var tcoord : vec2 = (mapperUBO.SCTCMatrix * pos).xy;"):a.push("var tcoord : vec3 = (mapperUBO.SCTCMatrix * pos).xyz;"),a.push("output.tcoordVS = tcoord;","output.Position = rendererUBO.SCPCMatrix * pos;"),i=Fl.substitute(i,"//VTK::Position::Impl",a).result,o.setCode(i)},r.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderTCoord=(e,n,r)=>{const o=n.getShaderDescription("vertex");2===t.dimensions?o.addOutput("vec2","tcoordVS"):o.addOutput("vec3","tcoordVS")},r.set("replaceShaderTCoord",e.replaceShaderTCoord),e.replaceShaderImage=(e,n,r)=>{const o=n.getShaderDescription("fragment");let i=o.getCode();t.dimensions,i=Fl.substitute(i,"//VTK::Image::Sample",[" var computedColor: vec4 ="," textureSampleLevel(imgTexture, clampSampler, input.tcoordVS, 0.0);","//VTK::Image::Sample"]).result,i=Fl.substitute(i,"//VTK::Image::Sample",[" var coord: vec2 ="," vec2(computedColor.r * mapperUBO.cScale.r + mapperUBO.cShift.r, 0.5);"," computedColor = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);"]).result,o.setCode(i)},r.set("replaceShaderImage",e.replaceShaderImage)}const Ac={rowLength:1024};const Ec=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ac,n),du.extend(e,t,n),e.setFragmentShaderTemplate(bc),t.UBO=ac.newInstance({label:"mapperUBO"}),t.UBO.addEntry("SCTCMatrix","mat4x4"),t.UBO.addEntry("Origin","vec4"),t.UBO.addEntry("Axis2","vec4"),t.UBO.addEntry("Axis1","vec4"),t.UBO.addEntry("cScale","vec4"),t.UBO.addEntry("cShift","vec4"),t.lutBuildTime={},je(t.lutBuildTime,{mtime:0}),t.imagemat=f(new Float64Array(16)),t.imagematinv=f(new Float64Array(16)),t.VBOBuildTime={},je(t.VBOBuildTime),Cc(e,t)}),"vtkWebGPUImageMapper");function Dc(e,t){t.classHierarchy.push("vtkWebGPUImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes()}},e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t.WebGPURenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t.WebGPURenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.getBufferShift=n=>(e.getKeyMatrices(n),t.bufferShift),e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix(),r=e.getStabilizedCenterByReference();t.bufferShift[0]=n[3]-r[0],t.bufferShift[1]=n[7]-r[1],t.bufferShift[2]=n[11]-r[2],h(t.keyMatrices.bcwc,n),t.renderable.getIsIdentity()?f(t.keyMatrices.normalMatrix):(c(t.keyMatrices.normalMatrix,t.keyMatrices.bcwc),t.keyMatrices.normalMatrix[3]=0,t.keyMatrices.normalMatrix[7]=0,t.keyMatrices.normalMatrix[11]=0,m(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix),h(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix)),b(t.keyMatrices.bcwc,t.keyMatrices.bcwc,[-t.bufferShift[0],-t.bufferShift[1],-t.bufferShift[2]]),b(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]),t.keyMatricesTime.modified()}return t.keyMatrices}}gl("vtkImageMapper",Ec);const Ic={bufferShift:void 0,keyMatrixTime:null,keyMatrices:null,propID:void 0};const Oc=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ic,n),Tt.extend(e,t,n),t.keyMatricesTime={},je(t.keyMatricesTime,{mtime:0}),t.keyMatrices={normalMatrix:new Float64Array(16),bcwc:new Float64Array(16),bcsc:new Float64Array(16)},t.keyMatrixTime={},je(t.keyMatrixTime,{mtime:0}),t.keyMatrices={mcwc:f(new Float64Array(16))},t.bufferShift=[0,0,0,0],He(e,t,["propID","keyMatricesTime"]),Dc(e,t)}),"vtkWebGPUImageSlice");function Pc(e,t){t.classHierarchy.push("vtkWebGPUVolume"),e.buildPass=n=>{t.renderable&&t.renderable.getVisibility()&&n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),t.renderable.getMapper().update())},e.queryPass=(n,r)=>{if(n){if(!t.renderable||!t.renderable.getVisibility())return;const n=t.renderable.getMapper().getBounds();if(!n||6!==n.length||n[0]>n[1])return;r.addVolume(e)}};const n=new Float64Array(3),r=new Float64Array(3);e.getBoundingCubePoints=(e,o)=>{const i=t.renderable.getMapper().getInputData();if(!i)return;const a=i.getExtent(),s=t.renderable.getMatrix();let l=0;for(let t=4;t<6;t++){n[2]=a[t];for(let t=2;t<4;t++){n[1]=a[t];for(let t=0;t<2;t++){n[0]=a[t],i.indexToWorld(n,r);let u=o+3*l;e[u++]=s[0]*r[0]+s[1]*r[1]+s[2]*r[2]+s[3],e[u++]=s[4]*r[0]+s[5]*r[1]+s[6]*r[2]+s[7],e[u++]=s[8]*r[0]+s[9]*r[1]+s[10]*r[2]+s[11],l++}}}},e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix(),r=e.getStabilizedCenterByReference();h(t.keyMatrices.bcwc,n),b(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]),t.keyMatricesTime.modified()}return t.keyMatrices}}gl("vtkImageSlice",Oc);const Nc={propID:void 0,keyMatricesTime:null};const Mc=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Nc,n),Tt.extend(e,t,n),t.keyMatricesTime={},gt.obj(t.keyMatricesTime,{mtime:0}),t.keyMatrices={bcwc:new Float64Array(16),bcsc:new Float64Array(16)},gt.get(e,t,["propID","keyMatricesTime"]),Pc(e,t)}),"vtkWebGPUVolume");function Rc(e,t){t.classHierarchy.push("vtkWebGPUPixelSpaceCallbackMapper"),e.opaquePass=(n,r)=>{t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent();const o=t.WebGPURenderer.getAspectRatio(),i=t.WebGPURenderer?t.WebGPURenderer.getRenderable().getActiveCamera():null,a=t.WebGPURenderer.getTiledSizeAndOrigin();t.renderable.getUseZValues(),t.renderable.invokeCallback(t.renderable.getInputData(),i,o,a,null)}}gl("vtkVolume",Mc);const Fc={};const kc=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fc,n),Tt.extend(e,t,n),Rc(e,t)}),"vtkWebGPUPixelSpaceCallbackMapper");gl("vtkPixelSpaceCallbackMapper",kc);var Lc=Uint8Array,Bc=Uint16Array,Vc=Uint32Array,Uc=new Lc([0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0,0]),Gc=new Lc([0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,0,0]),zc=new Lc([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]),jc=function(e,t){for(var n=new Bc(31),r=0;r<31;++r)n[r]=t+=1<>>1|(21845&Yc)<<1;Jc=(61680&(Jc=(52428&Jc)>>>2|(13107&Jc)<<2))>>>4|(3855&Jc)<<4,$c[Yc]=((65280&Jc)>>>8|(255&Jc)<<8)>>>1}var Qc=function(e,t,n){for(var r=e.length,o=0,i=new Bc(t);o>>l]=u}else for(a=new Bc(r),o=0;o>>15-e[o]);return a},Zc=new Lc(288);for(Yc=0;Yc<144;++Yc)Zc[Yc]=8;for(Yc=144;Yc<256;++Yc)Zc[Yc]=9;for(Yc=256;Yc<280;++Yc)Zc[Yc]=7;for(Yc=280;Yc<288;++Yc)Zc[Yc]=8;var ed=new Lc(32);for(Yc=0;Yc<32;++Yc)ed[Yc]=5;var td=Qc(Zc,9,1),nd=Qc(ed,5,1),rd=function(e){for(var t=e[0],n=1;nt&&(t=e[n]);return t},od=function(e,t,n){var r=t/8|0;return(e[r]|e[r+1]<<8)>>(7&t)&n},id=function(e,t){var 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Zd.MAGNITUDE:default:{const o=Wr.newInstance({numberOfComponents:1,values:new Float32Array(t.getNumberOfTuples())});e.mapVectorsToMagnitude(t,o,s),e.mapScalarsThroughTable(o,n,r,0);break}}},e.luminanceToRGBA=(e,t,n,r)=>{const o=r(n),i=t.getData(),a=e.getData(),s=i.length;let l=0;for(let e=0;e{const o=t.getData(),i=e.getData(),a=o.length;let s=0;for(let e=0;e{const o=op(n),i=t.getData(),a=e.getData(),s=i.length;let l=0;for(let e=0;e{const o=t.getData(),i=e.getData(),a=o.length;let s=0;for(let e=0;e{let{alpha:i}=t;if(4===r&&i>=1&&n.getDataType()===ep.UNSIGNED_CHAR)return n;const a=Wr.newInstance({numberOfComponents:4,empty:!0,size:4*o,dataType:ep.UNSIGNED_CHAR});if(o<=0)return a;i=i>0?i:0,i=i<1?i:1;let s=rp;switch(n.getDataType()!==ep.FLOAT&&n.getDataType()!==ep.DOUBLE||(s=op),r){case 1:e.luminanceToRGBA(a,n,i,s);break;case 2:e.luminanceAlphaToRGBA(a,n,s);break;case 3:e.rGBToRGBA(a,n,i,s);break;case 4:e.rGBAToRGBA(a,n,i,s);break;default:return np("Cannot convert colors"),null}return 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lp={newInstance:gt.newInstance(sp,"vtkScalarsToColors"),extend:sp,...Yd},up={ColorSpace:{RGB:0,HSV:1,LAB:2,DIVERGING:3},Scale:{LINEAR:0,LOG10:1}};const{ColorSpace:cp,Scale:dp}=up,{ScalarMappingTarget:pp}=lp,{vtkDebugMacro:fp,vtkErrorMacro:hp,vtkWarningMacro:mp}=gt;function gp(e,t){const n=e[0],r=e[1],o=e[2],i=Math.sqrt(n*n+r*r+o*o),a=i>.001?Math.acos(n/i):0,s=a>.001?Math.atan2(o,r):0;t[0]=i,t[1]=a,t[2]=s}function vp(e,t){if(e[0]>=t-.1)return e[2];const n=e[1]*Math.sqrt(t*t-e[0]*e[0])/(e[0]*Math.sin(e[1]));return e[2]>-.3*Math.PI?e[2]+n:e[2]-n}function yp(e,t,n,r){const o=[],i=[];gr(t,o),gr(n,i);const a=[],s=[];gp(o,a),gp(i,s);let l=e;if(a[1]>.05&&s[1]>.05&&function(e,t){let n=e-t;for(n<0&&(n=-n);n>=2*Math.PI;)n-=2*Math.PI;return n>Math.PI&&(n=2*Math.PI-n),n}(a[2],s[2])>.33*Math.PI){let t=Math.max(a[0],s[0]);t=Math.max(88,t),e<.5?(s[0]=t,s[1]=0,s[2]=0,l*=2):(a[0]=t,a[1]=0,a[2]=0,l=2*l-1)}a[1]<.05&&s[1]>.05?a[2]=vp(s,a[0]):s[1]<.05&&a[1]>.05&&(s[2]=vp(a,s[0]));const u=[];u[0]=(1-l)*a[0]+l*s[0],u[1]=(1-l)*a[1]+l*s[1],u[2]=(1-l)*a[2]+l*s[2];const c=[];!function(e,t){const n=e[0],r=e[1],o=e[2];t[0]=n*Math.cos(r),t[1]=n*Math.sin(r)*Math.cos(o),t[2]=n*Math.sin(r)*Math.sin(o)}(u,c),vr(c,r)}function bp(e,t){t.classHierarchy.push("vtkColorTransferFunction"),e.getSize=()=>t.nodes.length,e.addRGBPoint=(t,n,r,o)=>e.addRGBPointLong(t,n,r,o,.5,0),e.addRGBPointLong=function(n,r,o,i){let a=arguments.length>4&&void 0!==arguments[4]?arguments[4]:.5,s=arguments.length>5&&void 0!==arguments[5]?arguments[5]:0;if(a<0||a>1)return hp("Midpoint outside range [0.0, 1.0]"),-1;if(s<0||s>1)return hp("Sharpness outside range [0.0, 1.0]"),-1;t.allowDuplicateScalars||e.removePoint(n);const l={x:n,r:r,g:o,b:i,midpoint:a,sharpness:s};t.nodes.push(l),e.sortAndUpdateRange();let u=0;for(;ue.addHSVPointLong(t,n,r,o,.5,0),e.addHSVPointLong=function(t,n,r,o){let i=arguments.length>4&&void 0!==arguments[4]?arguments[4]:.5,a=arguments.length>5&&void 0!==arguments[5]?arguments[5]:0;const s=[],l=[n,r,o];return dr(l,s),e.addRGBPoint(t,s[0],s[1],s[2],i,a)},e.setNodes=n=>{if(t.nodes!==n){const r=JSON.stringify(t.nodes);t.nodes=n;const o=JSON.stringify(t.nodes);if(e.sortAndUpdateRange()||r!==o)return e.modified(),!0}return!1},e.sortAndUpdateRange=()=>{const n=JSON.stringify(t.nodes);t.nodes.sort(((e,t)=>e.x-t.x));const r=JSON.stringify(t.nodes),o=e.updateRange();return o||n===r?o:(e.modified(),!0)},e.updateRange=()=>{const n=[2];n[0]=t.mappingRange[0],n[1]=t.mappingRange[1];const r=t.nodes.length;return r?(t.mappingRange[0]=t.nodes[0].x,t.mappingRange[1]=t.nodes[r-1].x):(t.mappingRange[0]=0,t.mappingRange[1]=0),(n[0]!==t.mappingRange[0]||n[1]!==t.mappingRange[1])&&(e.modified(),!0)},e.removePoint=n=>{let r=0;for(;r=t.nodes.length)return-1;let i=!1;return t.nodes.splice(r,1),0!==r&&r!==t.nodes.length||(i=e.updateRange()),i||e.modified(),o},e.movePoint=(n,r)=>{if(n!==r){e.removePoint(r);for(let o=0;o{t.nodes=[],e.sortAndUpdateRange()},e.addRGBSegment=(n,r,o,i,a,s,l,u)=>{e.sortAndUpdateRange();for(let e=0;e=n&&t.nodes[e].x<=a?t.nodes.splice(e,1):e++;e.addRGBPointLong(n,r,o,i,.5,0),e.addRGBPointLong(a,s,l,u,.5,0),e.modified()},e.addHSVSegment=(t,n,r,o,i,a,s,l)=>{const u=[a,s,l],c=[],d=[];dr([n,r,o],c),dr(u,d),e.addRGBSegment(t,c[0],c[1],c[2],i,d[0],d[1],d[2])},e.mapValue=t=>{const n=[];return e.getColor(t,n),[Math.floor(255*n[0]+.5),Math.floor(255*n[1]+.5),Math.floor(255*n[2]+.5),255]},e.getColor=(n,r)=>{if(t.indexedLookup){const t=e.getSize(),o=e.getAnnotatedValueIndexInternal(n);if(o<0||0===t){const t=e.getNanColorByReference();r[0]=t[0],r[1]=t[1],r[2]=t[2]}else{const n=[];e.getNodeValue(o%t,n),r[0]=n[1],r[1]=n[2],r[2]=n[3]}}else e.getTable(n,n,1,r)},e.getRedValue=t=>{const n=[];return e.getColor(t,n),n[0]},e.getGreenValue=t=>{const n=[];return e.getColor(t,n),n[1]},e.getBlueValue=t=>{const n=[];return e.getColor(t,n),n[2]},e.getTable=(n,r,o,i)=>{const a=Number(n),s=Number(r);if(Er(a)||Er(s)){for(let e=0;e0);let T=0,S=0,w=0;_&&(T=Math.log10(a),S=Math.log10(s));for(let n=0;n1?_?(w=T+n/(o-1)*(S-T),f=10**w):f=a+n/(o-1)*(s-a):_?(w=.5*(T+S),f=10**w):f=.5*(a+s),t.discretize){const e=t.mappingRange;if(f>=e[0]&&f<=e[1]){const n=t.numberOfValues,r=e[1]-e[0];if(n<=1)f=e[0]+r/2;else{const t=(f-e[0])/r,o=Sn(n*t);f=e[0]+o/(n-1)*r}}}for(;lt.nodes[l].x;)l++,l.99999&&(y=.99999));if(f>t.mappingRange[1])i[r]=0,i[r+1]=0,i[r+2]=0,t.clamping&&(e.getUseAboveRangeColor()?(i[r]=t.aboveRangeColor[0],i[r+1]=t.aboveRangeColor[1],i[r+2]=t.aboveRangeColor[2]):(i[r]=c,i[r+1]=d,i[r+2]=p));else if(f0&&(i[r]=t.nodes[0].r,i[r+1]=t.nodes[0].g,i[r+2]=t.nodes[0].b));else if(0===l&&(Math.abs(f-a)<1e-6||t.discretize))u>0?(i[r]=t.nodes[0].r,i[r+1]=t.nodes[0].g,i[r+2]=t.nodes[0].b):(i[r]=0,i[r+1]=0,i[r+2]=0);else{let e=0;if(e=_?(w-h)/(m-h):(f-h)/(m-h),e=e.99){if(e<.5){i[r]=g[0],i[r+1]=g[1],i[r+2]=g[2];continue}i[r]=v[0],i[r+1]=v[1],i[r+2]=v[2];continue}if(b<.01){if(t.colorSpace===cp.RGB)i[r]=(1-e)*g[0]+e*v[0],i[r+1]=(1-e)*g[1]+e*v[1],i[r+2]=(1-e)*g[2]+e*v[2];else if(t.colorSpace===cp.HSV){const n=[],o=[];cr(g,n),cr(v,o),t.hSVWrap&&(n[0]-o[0]>.5||o[0]-n[0]>.5)&&(n[0]>o[0]?n[0]-=1:o[0]-=1);const a=[];a[0]=(1-e)*n[0]+e*o[0],a[0]<0&&(a[0]+=1),a[1]=(1-e)*n[1]+e*o[1],a[2]=(1-e)*n[2]+e*o[2],dr(a,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else if(t.colorSpace===cp.LAB){const t=[],n=[];gr(g,t),gr(v,n);const o=[];o[0]=(1-e)*t[0]+e*n[0],o[1]=(1-e)*t[1]+e*n[1],o[2]=(1-e)*t[2]+e*n[2],vr(o,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else t.colorSpace===cp.DIVERGING?(yp(e,g,v,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]):hp("ColorSpace set to invalid value.",t.colorSpace);continue}e<.5?e=.5*(2*e)**(1+10*b):e>.5&&(e=1-.5*(2*(1-e))**(1+10*b));const n=e*e,o=n*e,a=2*o-3*n+1,s=-2*o+3*n,l=o-2*n+e,u=o-n;let c,d;if(t.colorSpace===cp.RGB)for(let e=0;e<3;e++)c=v[e]-g[e],d=(1-b)*c,i[r+e]=a*g[e]+s*v[e]+l*d+u*d;else if(t.colorSpace===cp.HSV){const e=[],n=[];cr(g,e),cr(v,n),t.hSVWrap&&(e[0]-n[0]>.5||n[0]-e[0]>.5)&&(e[0]>n[0]?e[0]-=1:n[0]-=1);const o=[];for(let t=0;t<3;t++)c=n[t]-e[t],d=(1-b)*c,o[t]=a*e[t]+s*n[t]+l*d+u*d,0===t&&o[t]<0&&(o[t]+=1);dr(o,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else if(t.colorSpace===cp.LAB){const e=[],t=[];gr(g,e),gr(v,t);const n=[];for(let r=0;r<3;r++)c=t[r]-e[r],d=(1-b)*c,n[r]=a*e[r]+s*t[r]+l*d+u*d;vr(n,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else t.colorSpace===cp.DIVERGING?(yp(e,g,v,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]):hp("ColorSpace set to invalid value.");for(let e=0;e<3;e++)i[r+e]=i[r+e]<0?0:i[r+e],i[r+e]=i[r+e]>1?1:i[r+e]}}},e.getUint8Table=function(n,r,o){let i=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(e.getMTime()<=t.buildTime&&t.tableSize===o&&t.tableWithAlpha!==i)return t.table;if(0===t.nodes.length)return hp("Attempting to lookup a value with no points in the function"),t.table;const a=i?4:3;t.tableSize===o&&t.tableWithAlpha===i||(t.table=new Uint8Array(o*a),t.tableSize=o,t.tableWithAlpha=i);const s=[];e.getTable(n,r,o,s);for(let e=0;e{e.removeAllPoints();const r=n.getNumberOfComponents();for(let e=0;e{let a=0;e.removeAllPoints(),o>1&&(a=(r-n)/(o-1));for(let e=0;ee<0||e>=t.nodes.length?(hp("Index out of range!"),-1):(n[0]=t.nodes[e].x,n[1]=t.nodes[e].r,n[2]=t.nodes[e].g,n[3]=t.nodes[e].b,n[4]=t.nodes[e].midpoint,n[5]=t.nodes[e].sharpness,1),e.setNodeValue=(n,r)=>{if(n<0||n>=t.nodes.length)return hp("Index out of range!"),-1;const o=t.nodes[n].x;return t.nodes[n].x=r[0],t.nodes[n].r=r[1],t.nodes[n].g=r[2],t.nodes[n].b=r[3],t.nodes[n].midpoint=r[4],t.nodes[n].sharpness=r[5],o!==r[0]?e.sortAndUpdateRange():e.modified(),1},e.getNumberOfAvailableColors=()=>t.indexedLookup&&e.getSize()?e.getSize():t.tableSize?t.tableSize:16777216,e.getIndexedColor=(t,n)=>{const r=e.getSize();if(r>0&&t>=0){const o=[];e.getNodeValue(t%r,o);for(let e=0;e<3;++e)n[e]=o[e+1];return void(n[3]=1)}const o=e.getNanColorByReference();n[0]=o[0],n[1]=o[1],n[2]=o[2],n[3]=1},e.fillFromDataPointer=(t,n)=>{if(!(t<=0)&&n){e.removeAllPoints();for(let r=0;r{const o=[n,r],i=e.getRange();if(i[1]===o[1]&&i[0]===o[0])return;if(o[1]===o[0])return void hp("attempt to set zero width color range");const a=(o[1]-o[0])/(i[1]-i[0]),s=o[0]-i[0]*a;for(let e=0;e{const r=e.getRange(),o=[];r[0]n[1]?(e.getColor(n[1],o),e.addRGBPoint(n[1],o[0],o[1],o[2])):(e.getColor(r[1],o),e.addRGBPoint(n[1],o[0],o[1],o[2])),e.sortAndUpdateRange();for(let e=0;e=n[0]&&t.nodes[e].x<=n[1]?t.nodes.splice(e,1):++e;return 1},e.estimateMinNumberOfSamples=(t,n)=>{const r=e.findMinimumXDistance();return Math.ceil((n-t)/r)},e.findMinimumXDistance=()=>{if(t.nodes.length<2)return-1;let e=Number.MAX_VALUE;for(let n=0;n{0!==e.getSize()?t.indexedLookup?e.mapDataIndexed(n,r,o,i):e.mapData(n,r,o,i):fp("Transfer Function Has No Points!")},e.mapData=(t,n,r,o)=>{if(0===e.getSize())return void mp("Transfer Function Has No Points!");const i=Math.floor(255*e.getAlpha()+.5),a=t.getNumberOfTuples(),s=t.getNumberOfComponents(),l=n.getData(),u=t.getData(),c=[];if(r===pp.RGBA)for(let t=0;t{const r=JSON.stringify(t.colorSpace);n.ColorSpace&&(t.colorSpace=cp[n.ColorSpace.toUpperCase()],void 0===t.colorSpace&&(hp(`ColorSpace ${n.ColorSpace} not supported, using RGB instead`),t.colorSpace=cp.RGB));let o=r!==JSON.stringify(t.colorSpace);const i=o||JSON.stringify(t.nanColor);if(n.NanColor)for(t.nanColor=[].concat(n.NanColor);t.nanColor.length<4;)t.nanColor.push(1);o=o||i!==JSON.stringify(t.nanColor);const a=o||JSON.stringify(t.nodes);if(n.RGBPoints){const e=n.RGBPoints.length;t.nodes=[];const r=.5,o=0;for(let i=0;i2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,xp,n),lp.extend(e,t,n),t.table=[],t.nodes=[],t.nanColor=[.5,0,0,1],t.belowRangeColor=[0,0,0,1],t.aboveRangeColor=[1,1,1,1],t.buildTime={},gt.obj(t.buildTime),gt.get(e,t,["buildTime","mappingRange"]),gt.setGet(e,t,["useAboveRangeColor","useBelowRangeColor","colorSpace","discretize","numberOfValues"]),gt.setArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"],4),gt.getArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"]),bp(e,t)}var Tp={newInstance:gt.newInstance(_p,"vtkColorTransferFunction"),extend:_p,...up};const{vtkDebugMacro:Sp}=gt;function wp(e,t){t.classHierarchy.push("vtkCamera");const n=new Float64Array(3),r=new Float64Array([0,0,-1]),o=new Float64Array([0,1,0]),i=f(new Float64Array(16)),a=f(new Float64Array(16)),s=new Float64Array(3),l=new Float64Array(3),u=new Float64Array(3),d=f(new Float64Array(16)),p=f(new Float64Array(16)),g=new Float64Array(3),v=new Float64Array(3);function T(){t.viewPlaneNormal[0]=-t.directionOfProjection[0],t.viewPlaneNormal[1]=-t.directionOfProjection[1],t.viewPlaneNormal[2]=-t.directionOfProjection[2]}e.orthogonalizeViewUp=()=>{const n=e.getViewMatrix();t.viewUp[0]=n[4],t.viewUp[1]=n[5],t.viewUp[2]=n[6],e.modified()},e.setPosition=(n,r,o)=>{n===t.position[0]&&r===t.position[1]&&o===t.position[2]||(t.position[0]=n,t.position[1]=r,t.position[2]=o,e.computeDistance(),e.modified())},e.setFocalPoint=(n,r,o)=>{n===t.focalPoint[0]&&r===t.focalPoint[1]&&o===t.focalPoint[2]||(t.focalPoint[0]=n,t.focalPoint[1]=r,t.focalPoint[2]=o,e.computeDistance(),e.modified())},e.setDistance=n=>{if(t.distance===n)return;t.distance=n,t.distance<1e-20&&(t.distance=1e-20,Sp("Distance is set to minimum."));const r=t.directionOfProjection;t.focalPoint[0]=t.position[0]+r[0]*t.distance,t.focalPoint[1]=t.position[1]+r[1]*t.distance,t.focalPoint[2]=t.position[2]+r[2]*t.distance,e.modified()},e.computeDistance=()=>{const e=t.focalPoint[0]-t.position[0],n=t.focalPoint[1]-t.position[1],r=t.focalPoint[2]-t.position[2];if(t.distance=Math.sqrt(e*e+n*n+r*r),t.distance<1e-20){t.distance=1e-20,Sp("Distance is set to minimum.");const e=t.directionOfProjection;t.focalPoint[0]=t.position[0]+e[0]*t.distance,t.focalPoint[1]=t.position[1]+e[1]*t.distance,t.focalPoint[2]=t.position[2]+e[2]*t.distance}t.directionOfProjection[0]=e/t.distance,t.directionOfProjection[1]=n/t.distance,t.directionOfProjection[2]=r/t.distance,T()},e.dolly=n=>{if(n<=0)return;const r=t.distance/n;e.setPosition(t.focalPoint[0]-r*t.directionOfProjection[0],t.focalPoint[1]-r*t.directionOfProjection[1],t.focalPoint[2]-r*t.directionOfProjection[2])},e.roll=n=>{const r=t.position,o=t.focalPoint,i=t.viewUp,a=new Float64Array([i[0],i[1],i[2],0]);f(d);const s=new Float64Array([o[0]-r[0],o[1]-r[1],o[2]-r[2]]);_(d,d,xn(n),s),Mo(a,a,d),t.viewUp[0]=a[0],t.viewUp[1]=a[1],t.viewUp[2]=a[2],e.modified()},e.azimuth=n=>{const 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r=[...t.viewUp,1],o=[],i=[],a=[];r[0]+=t.position[0],r[1]+=t.position[1],r[2]+=t.position[2],Mo(o,[...t.position,1],n),Mo(i,[...t.focalPoint,1],n),Mo(a,r,n),a[0]-=o[0],a[1]-=o[1],a[2]-=o[2],e.setPosition(...o.slice(0,3)),e.setFocalPoint(...i.slice(0,3)),e.setViewUp(...a.slice(0,3))},e.getThickness=()=>t.clippingRange[1]-t.clippingRange[0],e.setThickness=n=>{let r=n;r<1e-20&&(r=1e-20,Sp("Thickness is set to minimum.")),e.setClippingRange(t.clippingRange[0],t.clippingRange[0]+r)},e.setThicknessFromFocalPoint=n=>{let r=n;r<1e-20&&(r=1e-20,Sp("Thickness is set to 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a=(t.windowCenter[0]-1)*r,s=(t.windowCenter[0]+1)*r,u=(t.windowCenter[1]-1)*o,c=(t.windowCenter[1]+1)*o,d=l[0],p=l[1];i[0]=2*d/(s-a),i[5]=2*d/(c-u),i[2]=(a+s)/(s-a),i[6]=(u+c)/(c-u),i[10]=-(d+p)/(p-d),i[14]=-1,i[11]=-2*d*p/(p-d),i[15]=0}}return c(o,i),o},e.getCompositeProjectionMatrix=(t,n,r)=>{const o=e.getViewMatrix(),i=e.getProjectionMatrix(t,n,r);return y(i,o,i),i},e.setDirectionOfProjection=(e,n,r)=>{if(t.directionOfProjection[0]===e&&t.directionOfProjection[1]===n&&t.directionOfProjection[2]===r)return;t.directionOfProjection[0]=e,t.directionOfProjection[1]=n,t.directionOfProjection[2]=r;const o=t.directionOfProjection;t.focalPoint[0]=t.position[0]+o[0]*t.distance,t.focalPoint[1]=t.position[1]+o[1]*t.distance,t.focalPoint[2]=t.position[2]+o[2]*t.distance,T()},e.setDeviceAngles=(n,r,o,i)=>{const a=[3];Bn(t.physicalViewNorth,t.physicalViewUp,a);const s=f(new 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r>e&&(e=r),e},e.getTransparent=()=>!!t.preserveColorBuffer,e.isActiveCameraCreated=()=>!!t.activeCamera}const Cf={pickedProp:null,activeCamera:null,allBounds:[],ambient:[1,1,1],allocatedRenderTime:100,timeFactor:1,automaticLightCreation:!0,twoSidedLighting:!0,lastRenderTimeInSeconds:-1,renderWindow:null,lights:[],actors:[],volumes:[],lightFollowCamera:!0,numberOfPropsRendered:0,propArray:null,pathArray:null,layer:0,preserveColorBuffer:!1,preserveDepthBuffer:!1,computeVisiblePropBounds:Dr(),interactive:!0,nearClippingPlaneTolerance:0,clippingRangeExpansion:.05,erase:!0,draw:!0,useShadows:!1,useDepthPeeling:!1,occlusionRatio:0,maximumNumberOfPeels:4,selector:null,delegate:null,texturedBackground:!1,backgroundTexture:null,environmentTexture:null,environmentTextureDiffuseStrength:1,environmentTextureSpecularStrength:1,useEnvironmentTextureAsBackground:!1,pass:0};function Af(e,t){let n=arguments.length>2&&void 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Df=Object.create(null);function If(e,t){Df[e]=t}function Of(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return Df[e]&&Df[e](t)}function Pf(e,t){t.classHierarchy.push("vtkRenderWindow"),e.addRenderer=n=>{e.hasRenderer(n)||(n.setRenderWindow(e),t.renderers.push(n),e.modified())},e.removeRenderer=n=>{t.renderers=t.renderers.filter((e=>e!==n)),e.modified()},e.hasRenderer=e=>-1!==t.renderers.indexOf(e),e.newAPISpecificView=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return Of(e||t.defaultViewAPI,n)},e.addView=n=>{e.hasView(n)||(n.setRenderable(e),t._views.push(n),e.modified())},e.removeView=n=>{t._views=t._views.filter((e=>e!==n)),e.modified()},e.hasView=e=>-1!==t._views.indexOf(e),e.preRender=()=>{t.renderers.forEach((e=>{e.isActiveCameraCreated()||e.resetCamera()}))},e.render=()=>{e.preRender(),t.interactor?t.interactor.render():t._views.forEach((e=>e.traverseAllPasses()))},e.getStatistics=()=>{const e={propCount:0,invisiblePropCount:0,gpuMemoryMB:0};return t._views.forEach((t=>{e.gpuMemoryMB+=t.getGraphicsMemoryInfo()/1e6})),t.renderers.forEach((n=>{const r=n.getViewProps(),o=t._views[0].getViewNodeFor(n);r.forEach((t=>{if(t.getVisibility()){e.propCount+=1;const n=t.getMapper&&t.getMapper();if(n&&n.getPrimitiveCount){const t=o.getViewNodeFor(n);if(t){e.gpuMemoryMB+=t.getAllocatedGPUMemoryInBytes()/1e6;const r=n.getPrimitiveCount();Object.keys(r).forEach((t=>{e[t]||(e[t]=0),e[t]+=r[t]}))}}}else e.invisiblePropCount+=1}))})),e.str=Object.keys(e).map((t=>`${t}: ${e[t]}`)).join("\n"),e},e.captureImages=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"image/png",r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return gt.setImmediate(e.render),t._views.map((e=>e.captureNextImage?e.captureNextImage(n,r):void 0)).filter((e=>!!e))}}const Nf={defaultViewAPI:"WebGL",renderers:[],views:[],interactor:null,neverRendered:!0,numberOfLayers:1};function 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Lf={Device:Ff,Input:kf,Axis:{Unknown:0,TouchpadX:1,TouchpadY:2,ThumbstickX:3,ThumbstickY:4}};const{Device:Bf,Input:Vf}=Lf,{vtkWarningMacro:Uf,vtkErrorMacro:Gf,normalizeWheel:zf,vtkOnceErrorMacro:jf}=gt,Wf={ctrlKey:!1,altKey:!1,shiftKey:!1},Hf={"xr-standard":[Vf.Trigger,Vf.Grip,Vf.TrackPad,Vf.Thumbstick,Vf.A,Vf.B]},Xf=["StartAnimation","Animation","EndAnimation","PointerEnter","PointerLeave","MouseEnter","MouseLeave","StartMouseMove","MouseMove","EndMouseMove","LeftButtonPress","LeftButtonRelease","MiddleButtonPress","MiddleButtonRelease","RightButtonPress","RightButtonRelease","KeyPress","KeyDown","KeyUp","StartMouseWheel","MouseWheel","EndMouseWheel","StartPinch","Pinch","EndPinch","StartPan","Pan","EndPan","StartRotate","Rotate","EndRotate","Button3D","Move3D","StartPointerLock","EndPointerLock","StartInteraction","Interaction","EndInteraction","AnimationFrameRateUpdate"];function Kf(e){e.cancelable&&e.preventDefault()}function qf(e){const t=Object.create(null);return e.forEach((e=>{let{pointerId:n,position:r}=e;t[n]=r})),t}function $f(e,t){t.classHierarchy.push("vtkRenderWindowInteractor");const n=new Set,r=new Map;let o=1;function i(n,r){t._forcedRenderer||(t.currentRenderer=e.findPokedRenderer(n,r))}e.start=()=>{(t.initialized||(e.initialize(),t.initialized))&&e.startEventLoop()},e.setRenderWindow=e=>{Gf("you want to call setView(view) instead of setRenderWindow on a vtk.js interactor")},e.setInteractorStyle=n=>{t.interactorStyle!==n&&(null!=t.interactorStyle&&t.interactorStyle.setInteractor(null),t.interactorStyle=n,null!=t.interactorStyle&&t.interactorStyle.getInteractor()!==e&&t.interactorStyle.setInteractor(e))},e.initialize=()=>{t.initialized=!0,e.enable(),e.render()},e.enable=()=>e.setEnabled(!0),e.disable=()=>e.setEnabled(!1),e.startEventLoop=()=>Uf("empty event loop"),e.getCurrentRenderer=()=>(t.currentRenderer||i(0,0),t.currentRenderer);const a=t._getScreenEventPositionFor||function(e){const n=t._view.getCanvas(),o=n.getBoundingClientRect(),a=n.width/o.width,s=n.height/o.height,l={x:a*(e.clientX-o.left),y:s*(o.height-e.clientY+o.top),z:0};return(r.size<=1||!t.currentRenderer)&&i(l.x,l.y),l};function s(e){return{controlKey:e.ctrlKey,altKey:e.altKey,shiftKey:e.shiftKey}}function l(e){const t=s(e);return{key:e.key,keyCode:e.charCode,...t}}function u(e){return e.pointerType||""}function c(){t._view&&t.enabled&&t.enableRender&&(t.inRender=!0,t._view.traverseAllPasses(),t.inRender=!1),e.invokeRenderEvent()}e.bindEvents=n=>{t.container=n,n.addEventListener("contextmenu",Kf),n.addEventListener("wheel",e.handleWheel),n.addEventListener("DOMMouseScroll",e.handleWheel),n.addEventListener("pointerenter",e.handlePointerEnter),n.addEventListener("pointerleave",e.handlePointerLeave),n.addEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.addEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.addEventListener("pointerup",e.handlePointerUp),n.addEventListener("pointercancel",e.handlePointerCancel),document.addEventListener("keypress",e.handleKeyPress),document.addEventListener("keydown",e.handleKeyDown),document.addEventListener("keyup",e.handleKeyUp),document.addEventListener("pointerlockchange",e.handlePointerLockChange),n.style.touchAction="none",n.style.userSelect="none",n.style.webkitTapHighlightColor="rgba(0,0,0,0)"},e.unbindEvents=()=>{const{container:n}=t;n.removeEventListener("contextmenu",Kf),n.removeEventListener("wheel",e.handleWheel),n.removeEventListener("DOMMouseScroll",e.handleWheel),n.removeEventListener("pointerenter",e.handlePointerEnter),n.removeEventListener("pointerleave",e.handlePointerLeave),n.removeEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.removeEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.removeEventListener("pointerup",e.handlePointerUp),n.removeEventListener("pointercancel",e.handlePointerCancel),document.removeEventListener("keypress",e.handleKeyPress),document.removeEventListener("keydown",e.handleKeyDown),document.removeEventListener("keyup",e.handleKeyUp),document.removeEventListener("pointerlockchange",e.handlePointerLockChange),t.container=null,r.clear()},e.handleKeyPress=t=>{const n=l(t);e.keyPressEvent(n)},e.handleKeyDown=t=>{const n=l(t);e.keyDownEvent(n)},e.handleKeyUp=t=>{const n=l(t);e.keyUpEvent(n)},e.handlePointerEnter=t=>{const n={...s(t),position:a(t),deviceType:u(t)};e.pointerEnterEvent(n),"mouse"===n.deviceType&&e.mouseEnterEvent(n)},e.handlePointerLeave=t=>{const n={...s(t),position:a(t),deviceType:u(t)};e.pointerLeaveEvent(n),"mouse"===n.deviceType&&e.mouseLeaveEvent(n)},e.handlePointerDown=n=>{if(!(n.button>2||e.isPointerLocked()))switch(t.preventDefaultOnPointerDown&&Kf(n),n.target.hasPointerCapture(n.pointerId)&&n.target.releasePointerCapture(n.pointerId),t.container.setPointerCapture(n.pointerId),r.has(n.pointerId)&&Uf("[RenderWindowInteractor] duplicate pointerId 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pressed: ${t.button}`)}},e.requestPointerLock=()=>{t.container&&t.container.requestPointerLock()},e.exitPointerLock=()=>document.exitPointerLock?.(),e.isPointerLocked=()=>!!t.container&&document.pointerLockElement===t.container,e.handlePointerLockChange=()=>{e.isPointerLocked()?e.startPointerLockEvent():e.endPointerLockEvent()},e.requestAnimation=r=>{void 0!==r?n.has(r)?Uf("requester is already registered for animating"):(n.add(r),t.animationRequest||1!==n.size||t.xrAnimation||(t._animationStartTime=Date.now(),t._animationFrameCount=0,t.animationRequest=requestAnimationFrame(e.handleAnimation),e.startAnimationEvent())):Gf("undefined requester, can not start animating")},e.extendAnimation=r=>{const o=Date.now()+r;t._animationExtendedEnd=Math.max(t._animationExtendedEnd,o),t.animationRequest||0!==n.size||t.xrAnimation||(t._animationStartTime=Date.now(),t._animationFrameCount=0,t.animationRequest=requestAnimationFrame(e.handleAnimation),e.startAnimationEvent())},e.isAnimating=()=>t.xrAnimation||null!==t.animationRequest,e.cancelAnimation=function(r){let o=arguments.length>1&&void 0!==arguments[1]&&arguments[1];if(n.has(r))n.delete(r),t.animationRequest&&0===n.size&&Date.now()>t._animationExtendedEnd&&(cancelAnimationFrame(t.animationRequest),t.animationRequest=null,e.endAnimationEvent(),e.render());else if(!o){const e=r&&r.getClassName?r.getClassName():r;Uf(`${e} did not request an animation`)}},e.switchToXRAnimation=()=>{t.animationRequest&&(cancelAnimationFrame(t.animationRequest),t.animationRequest=null),t.xrAnimation=!0},e.returnFromXRAnimation=()=>{t.xrAnimation=!1,0!==n.size&&(t.recentAnimationFrameRate=10,t.animationRequest=requestAnimationFrame(e.handleAnimation))},e.updateXRGamepads=(n,r,o)=>{n.inputSources.forEach((n=>{const i=null==n.gripSpace?null:r.getPose(n.gripSpace,o),a=n.gamepad,s=n.handedness;if(a){a.index in t.lastGamepadValues||(t.lastGamepadValues[a.index]={left:{buttons:{}},right:{buttons:{}},none:{buttons:{}}});for(let r=0;r{const r={...s(n),position:a(n),deviceType:u(n)};0===t.moveTimeoutID?e.startMouseMoveEvent(r):(e.mouseMoveEvent(r),clearTimeout(t.moveTimeoutID)),t.moveTimeoutID=setTimeout((()=>{e.endMouseMoveEvent(),t.moveTimeoutID=0}),200)},e.handleAnimation=()=>{const r=Date.now();t._animationFrameCount++,r-t._animationStartTime>1e3&&t._animationFrameCount>1&&(t.recentAnimationFrameRate=1e3*(t._animationFrameCount-1)/(r-t._animationStartTime),t.lastFrameTime=1/t.recentAnimationFrameRate,e.animationFrameRateUpdateEvent(),t._animationStartTime=r,t._animationFrameCount=1),e.animationEvent(),c(),n.size>0||Date.now(){Kf(n);const r={...zf(n),...s(n),position:a(n),deviceType:u(n)};0===t.wheelTimeoutID&&(o=Math.abs(r.spinY)>=.3?Math.abs(r.spinY):1),r.spinY/=o,0===t.wheelTimeoutID?(e.startMouseWheelEvent(r),e.mouseWheelEvent(r)):(e.mouseWheelEvent(r),clearTimeout(t.wheelTimeoutID)),t.mouseScrollDebounceByPass?(e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0):t.wheelTimeoutID=setTimeout((()=>{e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0}),200)},e.handleMouseUp=t=>{const n={...s(t),position:a(t),deviceType:u(t)};switch(t.button){case 0:e.leftButtonReleaseEvent(n);break;case 1:e.middleButtonReleaseEvent(n);break;case 2:e.rightButtonReleaseEvent(n);break;default:Gf(`Unknown mouse button released: ${t.button}`)}},e.handleTouchStart=n=>{const o=[...r.values()];if(t.recognizeGestures&&o.length>1){const t=qf(r);if(2===o.length){const t={...s(Wf),position:o[0].position,deviceType:u(n)};e.leftButtonReleaseEvent(t)}e.recognizeGesture("TouchStart",t)}else if(1===o.length){const t={...s(Wf),position:a(n),deviceType:u(n)};e.leftButtonPressEvent(t)}},e.handleTouchMove=n=>{const o=[...r.values()];if(t.recognizeGestures&&o.length>1){const t=qf(r);e.recognizeGesture("TouchMove",t)}else if(1===o.length){const t={...s(Wf),position:o[0].position,deviceType:u(n)};e.mouseMoveEvent(t)}},e.handleTouchEnd=n=>{const o=[...r.values()];if(t.recognizeGestures)if(0===o.length){const t={...s(Wf),position:a(n),deviceType:u(n)};e.leftButtonReleaseEvent(t)}else if(1===o.length){const t=qf(r);e.recognizeGesture("TouchEnd",t);const i={...s(Wf),position:o[0].position,deviceType:u(n)};e.leftButtonPressEvent(i)}else{const t=qf(r);e.recognizeGesture("TouchMove",t)}else if(1===o.length){const t={...s(Wf),position:o[0].position,deviceType:u(n)};e.leftButtonReleaseEvent(t)}},e.setView=n=>{t._view!==n&&(t._view=n,t._view.getRenderable().setInteractor(e),e.modified())},e.getFirstRenderer=()=>t._view?.getRenderable()?.getRenderersByReference()?.[0],e.findPokedRenderer=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;if(!t._view)return null;const r=t._view?.getRenderable()?.getRenderers();if(!r||0===r.length)return null;r.sort(((e,t)=>e.getLayer()-t.getLayer()));let o=null,i=null,a=null,s=r.length;for(;s--;){const l=r[s];if(t._view.isInViewport(e,n,l)&&l.getInteractive()){a=l;break}null===o&&l.getInteractive()&&(o=l),null===i&&t._view.isInViewport(e,n,l)&&(i=l)}return null===a&&(a=o),null===a&&(a=i),null==a&&(a=r[0]),a},e.render=()=>{e.isAnimating()||t.inRender||c()},Xf.forEach((n=>{const r=n.charAt(0).toLowerCase()+n.slice(1);e[`${r}Event`]=r=>{if(!t.enabled)return;if(!e.getCurrentRenderer())return void jf("\n Can not forward events without a current renderer on the interactor.\n ");const o={type:n,pokedRenderer:t.currentRenderer,firstRenderer:e.getFirstRenderer(),...r};e[`invoke${n}`](o)}})),e.recognizeGesture=(n,r)=>{if(Object.keys(r).length>2)return;if(t.startingEventPositions||(t.startingEventPositions={}),"TouchStart"===n)return Object.keys(r).forEach((e=>{t.startingEventPositions[e]=r[e]})),void(t.currentGesture="Start");if("TouchEnd"===n)return"Pinch"===t.currentGesture&&(e.render(),e.endPinchEvent()),"Rotate"===t.currentGesture&&(e.render(),e.endRotateEvent()),"Pan"===t.currentGesture&&(e.render(),e.endPanEvent()),t.currentGesture="Start",void(t.startingEventPositions={});let o=0;const i=[],a=[];Object.keys(r).forEach((e=>{i[o]=r[e],a[o]=t.startingEventPositions[e],o++}));const s=Math.sqrt((a[0].x-a[1].x)*(a[0].x-a[1].x)+(a[0].y-a[1].y)*(a[0].y-a[1].y)),l=Math.sqrt((i[0].x-i[1].x)*(i[0].x-i[1].x)+(i[0].y-i[1].y)*(i[0].y-i[1].y));let u=_n(Math.atan2(a[1].y-a[0].y,a[1].x-a[0].x)),c=_n(Math.atan2(i[1].y-i[0].y,i[1].x-i[0].x)),d=c-u;c=c+180>=360?c-180:c+180,u=u+180>=360?u-180:u+180,Math.abs(c-u)n&&o>i&&o>a){t.currentGesture="Pinch";const n={scale:1,touches:r};e.startPinchEvent(n)}else if(i>n&&i>a){t.currentGesture="Rotate";const n={rotation:0,touches:r};e.startRotateEvent(n)}else if(a>n){t.currentGesture="Pan";const n={translation:[0,0],touches:r};e.startPanEvent(n)}}else{if("Rotate"===t.currentGesture){const t={rotation:d,touches:r};e.rotateEvent(t)}if("Pinch"===t.currentGesture){const t={scale:l/s,touches:r};e.pinchEvent(t)}if("Pan"===t.currentGesture){const t={translation:p,touches:r};e.panEvent(t)}}},e.handleVisibilityChange=()=>{t._animationStartTime=Date.now(),t._animationFrameCount=0},e.setCurrentRenderer=e=>{t._forcedRenderer=!!e,t.currentRenderer=e};const d=e.delete;e.delete=()=>{for(;n.size;)e.cancelAnimation(n.values().next().value);void 0!==document.hidden&&document.removeEventListener("visibilitychange",e.handleVisibilityChange),t.container&&e.unbindEvents(),d()},void 0!==document.hidden&&document.addEventListener("visibilitychange",e.handleVisibilityChange,!1)}const Yf={renderWindow:null,interactorStyle:null,picker:null,pickingManager:null,initialized:!1,enabled:!1,enableRender:!0,currentRenderer:null,lightFollowCamera:!0,desiredUpdateRate:30,stillUpdateRate:2,container:null,recognizeGestures:!0,currentGesture:"Start",animationRequest:null,lastFrameTime:.1,recentAnimationFrameRate:10,wheelTimeoutID:0,moveTimeoutID:0,lastGamepadValues:{},preventDefaultOnPointerDown:!1,preventDefaultOnPointerUp:!1,mouseScrollDebounceByPass:!1};function Jf(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Yf,n),gt.obj(e,t),t._animationExtendedEnd=0,gt.event(e,t,"RenderEvent"),Xf.forEach((n=>gt.event(e,t,n))),gt.get(e,t,["initialized","container","interactorStyle","lastFrameTime","recentAnimationFrameRate","_view"]),gt.setGet(e,t,["lightFollowCamera","enabled","enableRender","recognizeGestures","desiredUpdateRate","stillUpdateRate","picker","preventDefaultOnPointerDown","preventDefaultOnPointerUp","mouseScrollDebounceByPass"]),gt.moveToProtected(e,t,["view"]),$f(e,t)}var Qf={newInstance:gt.newInstance(Jf,"vtkRenderWindowInteractor"),extend:Jf,handledEvents:Xf,...Lf};const{vtkErrorMacro:Zf,VOID:eh}=gt;function th(e,t){t.classHierarchy.push("vtkInteractorObserver");const n={...e};function r(){for(;t.subscribedEvents.length;)t.subscribedEvents.pop().unsubscribe()}function o(){Qf.handledEvents.forEach((n=>{e[`handle${n}`]&&t.subscribedEvents.push(t._interactor[`on${n}`]((r=>t.processEvents?e[`handle${n}`](r):eh),t.priority))}))}e.setInteractor=n=>{n!==t._interactor&&(r(),t._interactor=n,n&&t.enabled&&o(),e.modified())},e.setEnabled=n=>{n!==t.enabled&&(r(),n&&(t._interactor?o():Zf("\n The interactor must be set before subscribing to events\n ")),t.enabled=n,e.modified())},e.computeDisplayToWorld=(e,n,r,o)=>e?t._interactor.getView().displayToWorld(n,r,o,e):null,e.computeWorldToDisplay=(e,n,r,o)=>e?t._interactor.getView().worldToDisplay(n,r,o,e):null,e.setPriority=e=>{n.setPriority(e)&&t._interactor&&(r(),o())}}const nh={enabled:!0,priority:0,processEvents:!0,subscribedEvents:[]};function rh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,nh,n),gt.obj(e,t),gt.event(e,t,"InteractionEvent"),gt.event(e,t,"StartInteractionEvent"),gt.event(e,t,"EndInteractionEvent"),gt.get(e,t,["_interactor","enabled"]),gt.setGet(e,t,["priority","processEvents"]),gt.moveToProtected(e,t,["interactor"]),th(e,t)}var oh={newInstance:gt.newInstance(rh,"vtkInteractorObserver"),extend:rh,computeWorldToDisplay:function(e,t,n,r){return e.getRenderWindow().getViews()[0].worldToDisplay(t,n,r,e)},computeDisplayToWorld:function(e,t,n,r){return e.getRenderWindow().getViews()[0].displayToWorld(t,n,r,e)}},ih={States:{IS_START:0,IS_NONE:0,IS_ROTATE:1,IS_PAN:2,IS_SPIN:3,IS_DOLLY:4,IS_CAMERA_POSE:11,IS_WINDOW_LEVEL:1024,IS_SLICE:1025}};const{States:ah}=ih,sh={Rotate:ah.IS_ROTATE,Pan:ah.IS_PAN,Spin:ah.IS_SPIN,Dolly:ah.IS_DOLLY,CameraPose:ah.IS_CAMERA_POSE,WindowLevel:ah.IS_WINDOW_LEVEL,Slice:ah.IS_SLICE};function lh(e,t){t.classHierarchy.push("vtkInteractorStyle"),Object.keys(sh).forEach((n=>{gt.event(e,t,`Start${n}Event`),e[`start${n}`]=()=>{t.state===ah.IS_NONE&&(t.state=sh[n],t._interactor.requestAnimation(e),e.invokeStartInteractionEvent({type:"StartInteractionEvent"}),e[`invokeStart${n}Event`]({type:`Start${n}Event`}))},gt.event(e,t,`End${n}Event`),e[`end${n}`]=()=>{t.state===sh[n]&&(t.state=ah.IS_NONE,t._interactor.cancelAnimation(e),e.invokeEndInteractionEvent({type:"EndInteractionEvent"}),e[`invokeEnd${n}Event`]({type:`End${n}Event`}),t._interactor.render())}})),e.handleKeyPress=e=>{const n=t._interactor;let r=null;switch(e.key){case"r":case"R":e.pokedRenderer.resetCamera(),n.render();break;case"w":case"W":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToWireframe&&t.setRepresentationToWireframe()})),n.render();break;case"s":case"S":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToSurface&&t.setRepresentationToSurface()})),n.render();break;case"v":case"V":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToPoints&&t.setRepresentationToPoints()})),n.render()}}}const uh={state:ah.IS_NONE,handleObservers:1,autoAdjustCameraClippingRange:1};function ch(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uh,n),oh.extend(e,t,n),lh(e,t)}var dh={newInstance:gt.newInstance(ch,"vtkInteractorStyle"),extend:ch,...ih};const{States:ph}=ih;function fh(e,t){t.classHierarchy.push("vtkInteractorStyleTrackballCamera"),e.handleMouseMove=n=>{const r=n.position,o=n.pokedRenderer;switch(t.state){case ph.IS_ROTATE:e.handleMouseRotate(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case ph.IS_PAN:e.handleMousePan(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case ph.IS_DOLLY:e.handleMouseDolly(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case ph.IS_SPIN:e.handleMouseSpin(o,r),e.invokeInteractionEvent({type:"InteractionEvent"})}t.previousPosition=r},e.handleButton3D=n=>{!n||!n.pressed||n.device!==Ff.RightController||n.input!==kf.Trigger&&n.input!==kf.TrackPad?!n||n.pressed||n.device!==Ff.RightController||n.input!==kf.Trigger&&n.input!==kf.TrackPad||t.state!==ph.IS_CAMERA_POSE||e.endCameraPose():e.startCameraPose()},e.handleMove3D=n=>{t.state===ph.IS_CAMERA_POSE&&e.updateCameraPose(n)},e.updateCameraPose=e=>{const t=e.pokedRenderer.getActiveCamera(),n=t.getPhysicalTranslation(),r=.025*t.getPhysicalScale(),o=t.physicalOrientationToWorldDirection([e.orientation.x,e.orientation.y,e.orientation.z,e.orientation.w]);t.setPhysicalTranslation(n[0]+o[0]*r,n[1]+o[1]*r,n[2]+o[2]*r)},e.handleLeftButtonPress=n=>{const r=n.position;t.previousPosition=r,n.shiftKey?n.controlKey||n.altKey?e.startDolly():e.startPan():n.controlKey||n.altKey?e.startSpin():e.startRotate()},e.handleLeftButtonRelease=()=>{switch(t.state){case ph.IS_DOLLY:e.endDolly();break;case ph.IS_PAN:e.endPan();break;case ph.IS_SPIN:e.endSpin();break;case ph.IS_ROTATE:e.endRotate()}},e.handleStartMouseWheel=()=>{e.startDolly()},e.handleEndMouseWheel=()=>{e.endDolly()},e.handleStartPinch=n=>{t.previousScale=n.scale,e.startDolly()},e.handleEndPinch=()=>{e.endDolly()},e.handleStartRotate=n=>{t.previousRotation=n.rotation,e.startRotate()},e.handleEndRotate=()=>{e.endRotate()},e.handleStartPan=n=>{t.previousTranslation=n.translation,e.startPan()},e.handleEndPan=()=>{e.endPan()},e.handlePinch=n=>{e.dollyByFactor(n.pokedRenderer,n.scale/t.previousScale),t.previousScale=n.scale},e.handlePan=n=>{const r=n.pokedRenderer.getActiveCamera();let o=r.getFocalPoint();o=e.computeWorldToDisplay(n.pokedRenderer,o[0],o[1],o[2]);const i=o[2],a=n.translation,s=t.previousTranslation,l=e.computeDisplayToWorld(n.pokedRenderer,o[0]+a[0]-s[0],o[1]+a[1]-s[1],i),u=e.computeDisplayToWorld(n.pokedRenderer,o[0],o[1],i),c=[];c[0]=u[0]-l[0],c[1]=u[1]-l[1],c[2]=u[2]-l[2],o=r.getFocalPoint();const d=r.getPosition();r.setFocalPoint(c[0]+o[0],c[1]+o[1],c[2]+o[2]),r.setPosition(c[0]+d[0],c[1]+d[1],c[2]+d[2]),t._interactor.getLightFollowCamera()&&n.pokedRenderer.updateLightsGeometryToFollowCamera(),r.orthogonalizeViewUp(),t.previousTranslation=n.translation},e.handleRotate=e=>{const n=e.pokedRenderer.getActiveCamera();n.roll(e.rotation-t.previousRotation),n.orthogonalizeViewUp(),t.previousRotation=e.rotation},e.handleMouseRotate=(e,n)=>{if(!t.previousPosition)return;const r=t._interactor,o=n.x-t.previousPosition.x,i=n.y-t.previousPosition.y,a=r.getView().getViewportSize(e);let s=-.1,l=-.1;a[0]&&a[1]&&(s=-20/a[1],l=-20/a[0]);const u=o*l*t.motionFactor,c=i*s*t.motionFactor,d=e.getActiveCamera();Number.isNaN(u)||Number.isNaN(c)||(d.azimuth(u),d.elevation(c),d.orthogonalizeViewUp()),t.autoAdjustCameraClippingRange&&e.resetCameraClippingRange(),r.getLightFollowCamera()&&e.updateLightsGeometryToFollowCamera()},e.handleMouseSpin=(e,n)=>{if(!t.previousPosition)return;const r=t._interactor,o=e.getActiveCamera(),i=r.getView().getViewportCenter(e),a=_n(Math.atan2(t.previousPosition.y-i[1],t.previousPosition.x-i[0])),s=_n(Math.atan2(n.y-i[1],n.x-i[0]))-a;Number.isNaN(s)||(o.roll(s),o.orthogonalizeViewUp())},e.handleMousePan=(n,r)=>{if(!t.previousPosition)return;const o=n.getActiveCamera();let i=o.getFocalPoint();i=e.computeWorldToDisplay(n,i[0],i[1],i[2]);const a=i[2],s=e.computeDisplayToWorld(n,r.x,r.y,a),l=e.computeDisplayToWorld(n,t.previousPosition.x,t.previousPosition.y,a),u=[];u[0]=l[0]-s[0],u[1]=l[1]-s[1],u[2]=l[2]-s[2],i=o.getFocalPoint();const c=o.getPosition();o.setFocalPoint(u[0]+i[0],u[1]+i[1],u[2]+i[2]),o.setPosition(u[0]+c[0],u[1]+c[1],u[2]+c[2]),t._interactor.getLightFollowCamera()&&n.updateLightsGeometryToFollowCamera()},e.handleMouseDolly=(n,r)=>{if(!t.previousPosition)return;const o=r.y-t.previousPosition.y,i=t._interactor.getView().getViewportCenter(n),a=t.motionFactor*o/i[1];e.dollyByFactor(n,1.1**a)},e.handleMouseWheel=n=>{const r=1-n.spinY/t.zoomFactor;e.dollyByFactor(n.pokedRenderer,r)},e.dollyByFactor=(e,n)=>{if(Number.isNaN(n))return;const r=e.getActiveCamera();r.getParallelProjection()?r.setParallelScale(r.getParallelScale()/n):(r.dolly(n),t.autoAdjustCameraClippingRange&&e.resetCameraClippingRange()),t._interactor.getLightFollowCamera()&&e.updateLightsGeometryToFollowCamera()}}const hh={motionFactor:10,zoomFactor:10};function mh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,hh,n),dh.extend(e,t,n),gt.setGet(e,t,["motionFactor","zoomFactor"]),fh(e,t)}var gh={newInstance:gt.newInstance(mh,"vtkInteractorStyleTrackballCamera"),extend:mh};function vh(e){return e}function yh(e){return null===e||"null"===e?null:"true"===e||"false"!==e&&(void 0!==e&&"undefined"!==e?"["===e[0]&&"]"===e[e.length-1]?e.substring(1,e.length-1).split(",").map((e=>yh(e.trim()))):""===e||Number.isNaN(Number(e))?e:Number(e):void 0)}var bh=function(){let e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0],t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:window.location.search;const n={},r=e?yh:vh,o=(t||"").replace(/#.*/,"").replace("?","").split("&");return o.forEach((e=>{const[t,o]=e.split("=").map((e=>decodeURIComponent(e)));t&&(n[t]=!o||r(o))})),n},xh={CoordinateSystem:{DISPLAY:0,WORLD:1}};const{CoordinateSystem:_h}=xh;function Th(e){return()=>gt.vtkErrorMacro(`vtkProp::${e} - NOT IMPLEMENTED`)}function Sh(e,t){t.classHierarchy.push("vtkProp"),e.getMTime=()=>{let e=t.mtime;for(let n=0;ne&&(e=r)}return e},e.processSelectorPixelBuffers=(e,t)=>{},e.getNestedProps=()=>null,e.getActors=()=>[],e.getActors2D=()=>[],e.getVolumes=()=>[],e.pick=Th("pick"),e.hasKey=Th("hasKey"),e.getNestedVisibility=()=>t.visibility&&(!t._parentProp||t._parentProp.getNestedVisibility()),e.getNestedPickable=()=>t.pickable&&(!t._parentProp||t._parentProp.getNestedPickable()),e.getNestedDragable=()=>t.dragable&&(!t._parentProp||t._parentProp.getNestedDragable()),e.getRedrawMTime=()=>t.mtime,e.setEstimatedRenderTime=e=>{t.estimatedRenderTime=e,t.savedEstimatedRenderTime=e},e.restoreEstimatedRenderTime=()=>{t.estimatedRenderTime=t.savedEstimatedRenderTime},e.addEstimatedRenderTime=e=>{t.estimatedRenderTime+=e},e.setAllocatedRenderTime=e=>{t.allocatedRenderTime=e,t.savedEstimatedRenderTime=t.estimatedRenderTime,t.estimatedRenderTime=0},e.getSupportsSelection=()=>!1,e.getTextures=()=>t.textures,e.hasTexture=e=>-1!==t.textures.indexOf(e),e.addTexture=n=>{n&&!e.hasTexture(n)&&(t.textures=t.textures.concat(n),e.modified())},e.removeTexture=n=>{const r=t.textures.filter((e=>e!==n));t.textures.length!==r.length&&(t.textures=r,e.modified())},e.removeAllTextures=()=>{t.textures=[],e.modified()},e.setCoordinateSystemToWorld=()=>e.setCoordinateSystem(_h.WORLD),e.setCoordinateSystemToDisplay=()=>e.setCoordinateSystem(_h.DISPLAY)}const wh={allocatedRenderTime:10,coordinateSystem:_h.WORLD,dragable:!0,estimatedRenderTime:0,paths:null,pickable:!0,renderTimeMultiplier:1,savedEstimatedRenderTime:0,textures:[],useBounds:!0,visibility:!0};function Ch(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,wh,n),gt.obj(e,t),gt.get(e,t,["estimatedRenderTime","allocatedRenderTime"]),gt.setGet(e,t,["_parentProp","coordinateSystem","dragable","pickable","renderTimeMultiplier","useBounds","visibility"]),gt.moveToProtected(e,t,["parentProp"]),Sh(e,t)}var Ah={newInstance:gt.newInstance(Ch,"vtkProp"),extend:Ch,...xh};function Eh(e,t){t.classHierarchy.push("vtkProp3D"),e.addPosition=n=>{t.position=t.position.map(((e,t)=>e+n[t])),e.modified()},e.getOrientationWXYZ=()=>{const e=Ro();F(e,t.rotation);const n=new Float64Array(3),r=function(e,t){var n=2*Math.acos(t[3]),r=Math.sin(n/2);return r>o?(e[0]=t[0]/r,e[1]=t[1]/r,e[2]=t[2]/r):(e[0]=1,e[1]=0,e[2]=0),n}(n,e);return[_n(r),n[0],n[1],n[2]]},e.rotateX=n=>{0!==n&&(T(t.rotation,t.rotation,xn(n)),e.modified())},e.rotateY=n=>{0!==n&&(S(t.rotation,t.rotation,xn(n)),e.modified())},e.rotateZ=n=>{0!==n&&(w(t.rotation,t.rotation,xn(n)),e.modified())},e.rotateWXYZ=(n,r,o,i)=>{if(0===n||0===r&&0===o&&0===i)return;const a=xn(n),s=Ro();Fo(s,[r,o,i],a);const l=new Float64Array(16);B(l,s),y(t.rotation,t.rotation,l),e.modified()},e.setOrientation=(n,r,o)=>(n!==t.orientation[0]||r!==t.orientation[1]||o!==t.orientation[2])&&(t.orientation=[n,r,o],f(t.rotation),e.rotateZ(o),e.rotateX(n),e.rotateY(r),e.modified(),!0),e.setUserMatrix=n=>!$n(t.userMatrix,n)&&(c(t.userMatrix,n),e.modified(),!0),e.getMatrix=()=>(e.computeMatrix(),t.matrix),e.computeMatrix=()=>{if(e.getMTime()>t.matrixMTime.getMTime()){f(t.matrix),t.userMatrix&&y(t.matrix,t.matrix,t.userMatrix),b(t.matrix,t.matrix,t.origin),b(t.matrix,t.matrix,t.position),y(t.matrix,t.matrix,t.rotation),x(t.matrix,t.matrix,t.scale),b(t.matrix,t.matrix,[-t.origin[0],-t.origin[1],-t.origin[2]]),h(t.matrix,t.matrix),t.isIdentity=!0;for(let e=0;e<4;++e)for(let n=0;n<4;++n)(e===n?1:0)!==t.matrix[e+4*n]&&(t.isIdentity=!1);t.matrixMTime.modified()}},e.getCenter=()=>bf.getCenter(t.bounds),e.getLength=()=>bf.getLength(t.bounds),e.getXRange=()=>bf.getXRange(t.bounds),e.getYRange=()=>bf.getYRange(t.bounds),e.getZRange=()=>bf.getZRange(t.bounds),e.getUserMatrix=()=>t.userMatrix,e.onModified((function(){e.computeMatrix()}))}const Dh={origin:[0,0,0],position:[0,0,0],orientation:[0,0,0],rotation:null,scale:[1,1,1],bounds:[1,-1,1,-1,1,-1],userMatrix:null,userMatrixMTime:null,cachedProp3D:null,isIdentity:!0,matrixMTime:null};function Ih(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Dh,n),Ah.extend(e,t,n),t.matrixMTime={},gt.obj(t.matrixMTime),gt.get(e,t,["bounds","isIdentity"]),gt.getArray(e,t,["orientation"]),gt.setGetArray(e,t,["origin","position","scale"],3),t.matrix=f(new Float64Array(16)),t.rotation=f(new Float64Array(16)),t.userMatrix=f(new Float64Array(16)),t.transform=null,Eh(e,t)}var Oh={newInstance:gt.newInstance(Ih,"vtkProp3D"),extend:Ih};const{vtkDebugMacro:Ph}=gt;function Nh(e,t){t.classHierarchy.push("vtkActor");const n={...e};e.getActors=()=>[e],e.getIsOpaque=()=>{if(t.forceOpaque)return!0;if(t.forceTranslucent)return!1;t.property||e.getProperty();let n=t.property.getOpacity()>=1;return n=n&&(!t.texture||!t.texture.isTranslucent()),n=n&&(!t.mapper||t.mapper.getIsOpaque()),n},e.hasTranslucentPolygonalGeometry=()=>null!==t.mapper&&(null===t.property&&e.setProperty(e.makeProperty()),!e.getIsOpaque()),e.makeProperty=wu.newInstance,e.getProperty=()=>(null===t.property&&(t.property=e.makeProperty()),t.property),e.getBounds=()=>{if(null===t.mapper)return t.bounds;const n=t.mapper.getBounds();if(!n||6!==n.length)return n;if(n[0]>n[1])return t.mapperBounds=n.concat(),t.bounds=[1,-1,1,-1,1,-1],t.boundsMTime.modified(),n;if(!t.mapperBounds||n[0]!==t.mapperBounds[0]||n[1]!==t.mapperBounds[1]||n[2]!==t.mapperBounds[2]||n[3]!==t.mapperBounds[3]||n[4]!==t.mapperBounds[4]||n[5]!==t.mapperBounds[5]||e.getMTime()>t.boundsMTime.getMTime()){Ph("Recomputing bounds..."),t.mapperBounds=n.concat();const r=[];bf.getCorners(n,r),e.computeMatrix();const o=new Float64Array(16);h(o,t.matrix),r.forEach((e=>Yt(e,e,o))),t.bounds[0]=t.bounds[2]=t.bounds[4]=Number.MAX_VALUE,t.bounds[1]=t.bounds[3]=t.bounds[5]=-Number.MAX_VALUE,t.bounds=t.bounds.map(((e,t)=>t%2==0?r.reduce(((e,n)=>e>n[t/2]?n[t/2]:e),e):r.reduce(((e,n)=>e{let e=n.getMTime();if(null!==t.property){const n=t.property.getMTime();e=n>e?n:e}if(null!==t.backfaceProperty){const n=t.backfaceProperty.getMTime();e=n>e?n:e}return e},e.getRedrawMTime=()=>{let e=t.mtime;if(null!==t.mapper){let n=t.mapper.getMTime();e=n>e?n:e,null!==t.mapper.getInput()&&(t.mapper.getInputAlgorithm().update(),n=t.mapper.getInput().getMTime(),e=n>e?n:e)}return e},e.getSupportsSelection=()=>!!t.mapper&&t.mapper.getSupportsSelection(),e.processSelectorPixelBuffers=(e,n)=>{t.mapper&&t.mapper.processSelectorPixelBuffers&&t.mapper.processSelectorPixelBuffers(e,n)}}const Mh={mapper:null,property:null,backfaceProperty:null,forceOpaque:!1,forceTranslucent:!1,bounds:[1,-1,1,-1,1,-1]};function Rh(e,t){t.classHierarchy.push("vtkAbstractMapper"),e.update=()=>{e.getInputData()},e.addClippingPlane=n=>!!n.isA("vtkPlane")&&!t.clippingPlanes.includes(n)&&(t.clippingPlanes.push(n),e.modified(),!0),e.getNumberOfClippingPlanes=()=>t.clippingPlanes.length,e.removeAllClippingPlanes=()=>0!==t.clippingPlanes.length&&(t.clippingPlanes.length=0,e.modified(),!0),e.removeClippingPlane=n=>{const r=t.clippingPlanes.indexOf(n);return-1!==r&&(t.clippingPlanes.splice(r,1),e.modified(),!0)},e.getClippingPlanes=()=>t.clippingPlanes,e.setClippingPlanes=t=>{if(t)if(Array.isArray(t)){const n=t.length;for(let r=0;r{const o=t.clippingPlanes,i=e;if(o){const e=o.length;if(n>=0&&n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Mh,n),Oh.extend(e,t,n),t.boundsMTime={},gt.obj(t.boundsMTime),gt.set(e,t,["property"]),gt.setGet(e,t,["backfaceProperty","forceOpaque","forceTranslucent","mapper"]),Nh(e,t)}),"vtkActor");const Fh={clippingPlanes:[]};var kh=function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fh,n),gt.obj(e,t),gt.algo(e,t,1,0),t.clippingPlanes||(t.clippingPlanes=[]),Rh(e,t)};function Lh(e,t){e.getBounds=()=>(gt.vtkErrorMacro("vtkAbstractMapper3D.getBounds - NOT IMPLEMENTED"),Dr()),e.getCenter=()=>{const n=e.getBounds();return t.center=bf.isValid(n)?bf.getCenter(n):null,t.center?.slice()},e.getLength=()=>{const t=e.getBounds();return bf.getDiagonalLength(t)}}const Bh=e=>({bounds:[...bf.INIT_BOUNDS],center:[0,0,0],viewSpecificProperties:{},...e});var Vh=function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Bh(n)),kh(e,t,n),gt.setGet(e,t,["viewSpecificProperties"]),Lh(e,t)};const Uh={UNCHANGED:0,SINGLE_POINT:1,X_LINE:2,Y_LINE:3,Z_LINE:4,XY_PLANE:5,YZ_PLANE:6,XZ_PLANE:7,XYZ_GRID:8,EMPTY:9};var Gh={StructuredType:Uh};const{StructuredType:zh}=Gh;var jh={getDataDescriptionFromExtent:function(e){let t=0;for(let n=0;n<3;++n)e[2*n]e[1]||e[2]>e[3]||e[4]>e[5]?zh.EMPTY:3===t?zh.XYZ_GRID:2===t?e[0]===e[1]?zh.YZ_PLANE:e[2]===e[3]?zh.XZ_PLANE:zh.XY_PLANE:1===t?e[0]e!==i[t]));return a&&(t.extent=i.slice(),t.dataDescription=jh.getDataDescriptionFromExtent(t.extent),e.modified()),a},e.setDimensions=function(){let n,r,o;if(t.deleted)Wh("instance deleted - cannot call any method");else{if(1===arguments.length){const e=arguments.length<=0?void 0:arguments[0];n=e[0],r=e[1],o=e[2]}else{if(3!==arguments.length)return void Wh("Bad dimension specification");n=arguments.length<=0?void 0:arguments[0],r=arguments.length<=1?void 0:arguments[1],o=arguments.length<=2?void 0:arguments[2]}e.setExtent(0,n-1,0,r-1,0,o-1)}},e.getDimensions=()=>[t.extent[1]-t.extent[0]+1,t.extent[3]-t.extent[2]+1,t.extent[5]-t.extent[4]+1],e.getNumberOfCells=()=>{const t=e.getDimensions();let n=1;for(let e=0;e<3;e++){if(0===t[e])return 0;t[e]>1&&(n*=t[e]-1)}return n},e.getNumberOfPoints=()=>{const t=e.getDimensions();return t[0]*t[1]*t[2]},e.getPoint=n=>{const r=e.getDimensions();if(0===r[0]||0===r[1]||0===r[2])return Wh("Requesting a point from an empty image."),null;const o=new Float64Array(3);switch(t.dataDescription){case Uh.EMPTY:return null;case Uh.SINGLE_POINT:break;case Uh.X_LINE:o[0]=n;break;case Uh.Y_LINE:o[1]=n;break;case Uh.Z_LINE:o[2]=n;break;case Uh.XY_PLANE:o[0]=n%r[0],o[1]=n/r[0];break;case Uh.YZ_PLANE:o[1]=n%r[1],o[2]=n/r[1];break;case Uh.XZ_PLANE:o[0]=n%r[0],o[2]=n/r[0];break;case Uh.XYZ_GRID:o[0]=n%r[0],o[1]=n/r[0]%r[1],o[2]=n/(r[0]*r[1]);break;default:Wh("Invalid dataDescription")}const i=[0,0,0];return e.indexToWorld(o,i),i},e.getBounds=()=>e.extentToBounds(e.getSpatialExtent()),e.extentToBounds=e=>bf.transformBounds(e,t.indexToWorld),e.getSpatialExtent=()=>bf.inflate([...t.extent],.5),e.computeTransforms=()=>{C(t.indexToWorld,t.origin),t.indexToWorld[0]=t.direction[0],t.indexToWorld[1]=t.direction[1],t.indexToWorld[2]=t.direction[2],t.indexToWorld[4]=t.direction[3],t.indexToWorld[5]=t.direction[4],t.indexToWorld[6]=t.direction[5],t.indexToWorld[8]=t.direction[6],t.indexToWorld[9]=t.direction[7],t.indexToWorld[10]=t.direction[8],x(t.indexToWorld,t.indexToWorld,t.spacing),m(t.worldToIndex,t.indexToWorld)},e.indexToWorld=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return Yt(n,e,t.indexToWorld),n},e.indexToWorldVec3=e.indexToWorld,e.worldToIndex=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return Yt(n,e,t.worldToIndex),n},e.worldToIndexVec3=e.worldToIndex,e.indexToWorldBounds=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return bf.transformBounds(e,t.indexToWorld,n)},e.worldToIndexBounds=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return bf.transformBounds(e,t.worldToIndex,n)},e.onModified(e.computeTransforms),e.computeTransforms(),e.getCenter=()=>bf.getCenter(e.getBounds()),e.computeHistogram=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;const r=[0,0,0,0,0,0];e.worldToIndexBounds(t,r);const o=[0,0,0],i=[0,0,0];bf.computeCornerPoints(r,o,i),er(o,o),er(i,i);const a=e.getDimensions();_r(o,[0,0,0],[a[0]-1,a[1]-1,a[2]-1],o),_r(i,[0,0,0],[a[0]-1,a[1]-1,a[2]-1],i);const s=a[0],l=a[0]*a[1],u=e.getPointData().getScalars().getData();let c=-1/0,d=1/0,p=0,f=0,h=0;for(let e=o[2];e<=i[2];e++)for(let t=o[1];t<=i[1];t++){let a=o[0]+t*s+e*l;for(let s=o[0];s<=i[0];s++){if(!n||n([s,t,e],r)){const e=u[a];e>c&&(c=e),e0?f/h:0,g=h?Math.abs(p/h-m*m):0,v=Math.sqrt(g);return{minimum:d,maximum:c,average:m,variance:g,sigma:v,count:h}},e.computeIncrements=function(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;const n=[];let r=t;for(let t=0;t<3;++t)n[t]=r,r*=e[2*t+1]-e[2*t]+1;return n},e.computeOffsetIndex=t=>{let[n,r,o]=t;const i=e.getExtent(),a=e.getPointData().getScalars().getNumberOfComponents(),s=e.computeIncrements(i,a);return Math.floor((Math.round(n)-i[0])*s[0]+(Math.round(r)-i[2])*s[1]+(Math.round(o)-i[4])*s[2])},e.getOffsetIndexFromWorld=t=>{const n=e.getExtent(),r=e.worldToIndex(t);for(let e=0;e<3;++e)if(r[e]n[2*e+1])return Wh(`GetScalarPointer: Pixel ${r} is not in memory. Current extent = ${n}`),NaN;return e.computeOffsetIndex(r)},e.getScalarValueFromWorld=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const r=e.getPointData().getScalars().getNumberOfComponents();if(n<0||n>=r)return Wh(`GetScalarPointer: Scalar Component ${n} is not within bounds. 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Yh(e,t){t.classHierarchy.push("vtkLookupTable"),e.isOpaque=()=>{if(t.opaqueFlagBuildTime.getMTime()!1,e.getNumberOfAvailableColors=()=>t.table.length/4,e.linearIndexLookup=(e,t)=>{let n=0;const r=Number(e);return rt.range[1]?n=t.maxIndex+1+1.5:(n=(r+t.shift)*t.scale,n=n{let o=0;o=Er(t)?Math.floor(r.maxIndex+1.5+2):e.linearIndexLookup(t,r);const i=4*o;return n.slice(i,i+4)},e.indexedLookupFunction=(n,r,o)=>{let i=e.getAnnotatedValueIndexInternal(n);-1===i&&(i=t.numberOfColors+2);const a=4*i;return[r[a],r[a+1],r[a+2],r[a+3]]},e.lookupShiftAndScale=(e,t)=>{t.shift=-e[0],t.scale=Number.MAX_VALUE,e[1]>e[0]&&(t.scale=(t.maxIndex+1)/(e[1]-e[0]))},e.mapScalarsThroughTable=(n,r,o,i)=>{let a=e.linearLookup;t.indexedLookup&&(a=e.indexedLookupFunction);const s=e.getMappingRange(),l={maxIndex:e.getNumberOfColors()-1,range:s,shift:0,scale:0};e.lookupShiftAndScale(s,l);const u=e.getAlpha(),c=n.getNumberOfTuples(),d=n.getNumberOfComponents(),p=r.getData(),f=n.getData();if(u>=1){if(o===$d.RGBA)for(let e=0;e{let n=0,r=0,o=0,i=0;const a=t.numberOfColors-1;a&&(n=(t.hueRange[1]-t.hueRange[0])/a,r=(t.saturationRange[1]-t.saturationRange[0])/a,o=(t.valueRange[1]-t.valueRange[0])/a,i=(t.alphaRange[1]-t.alphaRange[0])/a),t.table.length=4*a+16;const s=[],l=[];for(let e=0;e<=a;e++)s[0]=t.hueRange[0]+e*n,s[1]=t.saturationRange[0]+e*r,s[2]=t.valueRange[0]+e*o,dr(s,l),l[3]=t.alphaRange[0]+e*i,t.table[4*e]=255*l[0]+.5,t.table[4*e+1]=255*l[1]+.5,t.table[4*e+2]=255*l[2]+.5,t.table[4*e+3]=255*l[3]+.5;e.buildSpecialColors(),t.buildTime.modified()},e.setTable=n=>{if(Array.isArray(n)){const r=n[0].length;t.numberOfColors=n.length;const o=4-r;let i=0;for(let e=0;e{const{numberOfColors:e}=t,n=t.table;let r=4*(e+0);t.useBelowRangeColor||0===e?(n[r]=255*t.belowRangeColor[0]+.5,n[r+1]=255*t.belowRangeColor[1]+.5,n[r+2]=255*t.belowRangeColor[2]+.5,n[r+3]=255*t.belowRangeColor[3]+.5):(n[r]=n[0],n[r+1]=n[1],n[r+2]=n[2],n[r+3]=n[3]),r=4*(e+1),t.useAboveRangeColor||0===e?(n[r]=255*t.aboveRangeColor[0]+.5,n[r+1]=255*t.aboveRangeColor[1]+.5,n[r+2]=255*t.aboveRangeColor[2]+.5,n[r+3]=255*t.aboveRangeColor[3]+.5):(n[r]=n[4*(e-1)+0],n[r+1]=n[4*(e-1)+1],n[r+2]=n[4*(e-1)+2],n[r+3]=n[4*(e-1)+3]),r=4*(e+2),n[r]=255*t.nanColor[0]+.5,n[r+1]=255*t.nanColor[1]+.5,n[r+2]=255*t.nanColor[2]+.5,n[r+3]=255*t.nanColor[3]+.5},e.build=()=>{(t.table.length<1||e.getMTime()>t.buildTime.getMTime()&&t.insertTime.getMTime()<=t.buildTime.getMTime())&&e.forceBuild()},t.table.length>0&&(e.buildSpecialColors(),t.insertTime.modified())}const Jh={numberOfColors:256,hueRange:[0,.66667],saturationRange:[1,1],valueRange:[1,1],alphaRange:[1,1],nanColor:[.5,0,0,1],belowRangeColor:[0,0,0,1],aboveRangeColor:[1,1,1,1],useAboveRangeColor:!1,useBelowRangeColor:!1,alpha:1};function Qh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Jh,n),lp.extend(e,t,n),t.table||(t.table=[]),t.buildTime={},gt.obj(t.buildTime),t.opaqueFlagBuildTime={},gt.obj(t.opaqueFlagBuildTime,{mtime:0}),t.insertTime={},gt.obj(t.insertTime,{mtime:0}),gt.get(e,t,["buildTime"]),gt.setGet(e,t,["numberOfColors","useAboveRangeColor","useBelowRangeColor"]),gt.setArray(e,t,["alphaRange","hueRange","saturationRange","valueRange"],2),gt.setArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"],4),gt.getArray(e,t,["hueRange","saturationRange","valueRange","alphaRange","nanColor","belowRangeColor","aboveRangeColor"]),Yh(e,t)}var Zh={newInstance:gt.newInstance(Qh,"vtkLookupTable"),extend:Qh};let em=1,tm=0;const nm=["VTK_RESOLVE_OFF","VTK_RESOLVE_POLYGON_OFFSET"];function rm(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;tm=e}var om={getResolveCoincidentTopologyAsString:function(){return nm[tm]},getResolveCoincidentTopologyPolygonOffsetFaces:function(){return em},getResolveCoincidentTopology:function(){return tm},setResolveCoincidentTopology:rm,setResolveCoincidentTopologyPolygonOffsetFaces:function(e){em=e},setResolveCoincidentTopologyToDefault:function(){rm(0)},setResolveCoincidentTopologyToOff:function(){rm(0)},setResolveCoincidentTopologyToPolygonOffset:function(){rm(1)}};function im(e,t,n){n.forEach((n=>{e[`get${n.method}`]=()=>t[n.key],e[`set${n.method}`]=(e,r)=>{t[n.key]={factor:e,offset:r}}}))}const am=["Polygon","Line","Point"],sm={};im(sm,{Polygon:{factor:2,offset:0},Line:{factor:1,offset:-1},Point:{factor:0,offset:-2}},am.map((e=>({key:e,method:`ResolveCoincidentTopology${e}OffsetParameters`}))));var lm={implementCoincidentTopologyMethods:function(e,t){void 0===t.resolveCoincidentTopology&&(t.resolveCoincidentTopology=!1),gt.setGet(e,t,["resolveCoincidentTopology"]),t.topologyOffset={Polygon:{factor:0,offset:0},Line:{factor:0,offset:0},Point:{factor:0,offset:0}},Object.keys(om).forEach((t=>{e[t]=om[t]})),Object.keys(sm).forEach((t=>{e[t]=sm[t]})),im(e,t.topologyOffset,am.map((e=>({key:e,method:`RelativeCoincidentTopology${e}OffsetParameters`})))),e.getCoincidentTopologyPolygonOffsetParameters=()=>{const t=sm.getResolveCoincidentTopologyPolygonOffsetParameters(),n=e.getRelativeCoincidentTopologyPolygonOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyLineOffsetParameters=()=>{const t=sm.getResolveCoincidentTopologyLineOffsetParameters(),n=e.getRelativeCoincidentTopologyLineOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyPointOffsetParameter=()=>{const t=sm.getResolveCoincidentTopologyPointOffsetParameters(),n=e.getRelativeCoincidentTopologyPointOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}}},staticOffsetAPI:sm,otherStaticMethods:om,CATEGORIES:am};const um={MIN_KNOWN_PASS:0,ACTOR_PASS:0,COMPOSITE_INDEX_PASS:1,ID_LOW24:2,ID_HIGH24:3,MAX_KNOWN_PASS:3};var cm={PassTypes:um};const{FieldAssociations:dm}=di,{staticOffsetAPI:pm,otherStaticMethods:fm}=lm,{ColorMode:hm,ScalarMode:mm,GetArray:gm}=Jd,{VectorMode:vm}=Yd,{VtkDataTypes:ym}=Wr;function bm(e){return()=>gt.vtkErrorMacro(`vtkMapper::${e} - NOT IMPLEMENTED`)}function xm(e,t){t.classHierarchy.push("vtkMapper"),e.getBounds=()=>{const n=e.getInputData();return n?(t.static||e.update(),t.bounds=n.getBounds()):t.bounds=Dr(),t.bounds},e.setForceCompileOnly=e=>{t.forceCompileOnly=e},e.setSelectionWebGLIdsToVTKIds=e=>{t.selectionWebGLIdsToVTKIds=e},e.createDefaultLookupTable=()=>{t.lookupTable=Zh.newInstance()},e.getColorModeAsString=()=>gt.enumToString(hm,t.colorMode),e.setColorModeToDefault=()=>e.setColorMode(0),e.setColorModeToMapScalars=()=>e.setColorMode(1),e.setColorModeToDirectScalars=()=>e.setColorMode(2),e.getScalarModeAsString=()=>gt.enumToString(mm,t.scalarMode),e.setScalarModeToDefault=()=>e.setScalarMode(0),e.setScalarModeToUsePointData=()=>e.setScalarMode(1),e.setScalarModeToUseCellData=()=>e.setScalarMode(2),e.setScalarModeToUsePointFieldData=()=>e.setScalarMode(3),e.setScalarModeToUseCellFieldData=()=>e.setScalarMode(4),e.setScalarModeToUseFieldData=()=>e.setScalarMode(5),e.getAbstractScalars=(e,n,r,o,i)=>{if(!e||!t.scalarVisibility)return{scalars:null,cellFLag:!1};let a=null,s=!1;if(n===mm.DEFAULT)a=e.getPointData().getScalars(),a||(a=e.getCellData().getScalars(),s=!0);else if(n===mm.USE_POINT_DATA)a=e.getPointData().getScalars();else if(n===mm.USE_CELL_DATA)a=e.getCellData().getScalars(),s=!0;else if(n===mm.USE_POINT_FIELD_DATA){const t=e.getPointData();a=r===gm.BY_ID?t.getArrayByIndex(o):t.getArrayByName(i)}else if(n===mm.USE_CELL_FIELD_DATA){const t=e.getCellData();s=!0,a=r===gm.BY_ID?t.getArrayByIndex(o):t.getArrayByName(i)}else if(n===mm.USE_FIELD_DATA){const t=e.getFieldData();a=r===gm.BY_ID?t.getArrayByIndex(o):t.getArrayByName(i)}return{scalars:a,cellFlag:s}},e.mapScalars=(n,r)=>{const o=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!o)return t.colorCoordinates=null,t.colorTextureMap=null,void(t.colorMapColors=null);const i=`${e.getMTime()}${o.getMTime()}${r}`;if(t.colorBuildString!==i){if(t.useLookupTableScalarRange||e.getLookupTable().setRange(t.scalarRange[0],t.scalarRange[1]),e.canUseTextureMapForColoring(n))e.mapScalarsToTexture(o,r);else{t.colorCoordinates=null,t.colorTextureMap=null;const n=e.getLookupTable();n&&(n.build(),t.colorMapColors=n.mapScalars(o,t.colorMode,t.fieldDataTupleId))}t.colorBuildString=`${e.getMTime()}${o.getMTime()}${r}`}},e.scalarToTextureCoordinate=(e,t,n)=>{let r=.5,o=1;return Er(e)||(o=.49,r=(e-t)*n,r>1e3?r=1e3:r<-1e3&&(r=-1e3)),{texCoordS:r,texCoordT:o}},e.createColorTextureCoordinates=(t,n,r,o,i,a,s,l,u)=>{const c=(a[1]-a[0])/l,d=[];d[0]=a[0]-c,d[1]=a[1]+c;const p=1/(d[1]-d[0]),f=n.getData(),h=t.getData();let m=0,g=0;if(i<0||i>=o)for(let t=0;t{const o=t.lookupTable.getRange(),i=t.lookupTable.usingLogScale();i&&Zh.getLogRange(o,o);const a=t.lookupTable.getAlpha();if(t.colorMapColors=null,null==t.colorTextureMap||e.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getAlpha()!==r){t.lookupTable.setAlpha(r),t.colorTextureMap=null,t.lookupTable.build();let e=t.lookupTable.getNumberOfAvailableColors();e>4094&&(e=4094),e<64&&(e=64),e+=2;const n=(o[1]-o[0])/(e-2),s=new Float64Array(2*e);for(let t=0;tt.colorCoordinates.getMTime()||e.getInputData(0).getMTime()>t.colorCoordinates.getMTime()||t.lookupTable.getMTime()>t.colorCoordinates.getMTime()){t.colorCoordinates=null;const r=n.getNumberOfComponents(),a=n.getNumberOfTuples();t.colorCoordinates=Wr.newInstance({numberOfComponents:2,values:new Float32Array(2*a)});let s=t.lookupTable.getVectorComponent();t.lookupTable.getVectorMode()===vm.MAGNITUDE&&n.getNumberOfComponents()>1&&(s=-1),e.createColorTextureCoordinates(n,t.colorCoordinates,a,r,s,o,t.lookupTable.getRange(),t.colorTextureMap.getPointData().getScalars().getNumberOfTuples()/2-2,i)}},e.getIsOpaque=()=>{const n=e.getInputData(),r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!t.scalarVisibility||null==r)return!0;const o=e.getLookupTable();return!o||(o.build(),o.areScalarsOpaque(r,t.colorMode,-1))},e.canUseTextureMapForColoring=n=>{if(!t.interpolateScalarsBeforeMapping)return!1;if(t.lookupTable&&t.lookupTable.getIndexedLookup())return!1;const r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName),o=r.scalars;return!(!o||r.cellFlag||t.colorMode===hm.DEFAULT&&o.getDataType()===ym.UNSIGNED_CHAR||t.colorMode===hm.DIRECT_SCALARS)},e.clearColorArrays=()=>{t.colorMapColors=null,t.colorCoordinates=null,t.colorTextureMap=null},e.getLookupTable=()=>(t.lookupTable||e.createDefaultLookupTable(),t.lookupTable),e.getMTime=()=>{let e=t.mtime;if(null!==t.lookupTable){const n=t.lookupTable.getMTime();e=n>e?n:e}return e},e.getPrimitiveCount=()=>{const t=e.getInputData();return{points:t.getPoints().getNumberOfValues()/3,verts:t.getVerts().getNumberOfValues()-t.getVerts().getNumberOfCells(),lines:t.getLines().getNumberOfValues()-2*t.getLines().getNumberOfCells(),triangles:t.getPolys().getNumberOfValues()-3*t.getPolys().getNumberOfCells()}},e.acquireInvertibleLookupTable=bm("AcquireInvertibleLookupTable"),e.valueToColor=bm("ValueToColor"),e.colorToValue=bm("ColorToValue"),e.useInvertibleColorFor=bm("UseInvertibleColorFor"),e.clearInvertibleColor=bm("ClearInvertibleColor"),e.processSelectorPixelBuffers=(e,n)=>{if(!e||!t.selectionWebGLIdsToVTKIds||!t.populateSelectionSettings)return;const r=e.getRawPixelBuffer(um.ID_LOW24),o=e.getRawPixelBuffer(um.ID_HIGH24),i=e.getCurrentPass(),a=e.getFieldAssociation();let s=null;a===dm.FIELD_ASSOCIATION_POINTS?s=t.selectionWebGLIdsToVTKIds.points:a===dm.FIELD_ASSOCIATION_CELLS&&(s=t.selectionWebGLIdsToVTKIds.cells),s&&n.forEach((t=>{if(i===um.ID_LOW24){let n=0;o&&(n+=o[t],n*=256),n+=r[t+2],n*=256,n+=r[t+1],n*=256,n+=r[t];const i=s[n],a=e.getPixelBuffer(um.ID_LOW24);a[t]=255&i,a[t+1]=(65280&i)>>8,a[t+2]=(16711680&i)>>16}else if(i===um.ID_HIGH24&&o){let n=0;n+=o[t],n*=256,n+=r[t],n*=256,n+=r[t+1],n*=256,n+=r[t+2];const i=s[n];e.getPixelBuffer(um.ID_HIGH24)[t]=(4278190080&i)>>24}}))}}const _m={colorMapColors:null,static:!1,lookupTable:null,scalarVisibility:!0,scalarRange:[0,1],useLookupTableScalarRange:!1,colorMode:0,scalarMode:0,arrayAccessMode:1,renderTime:0,colorByArrayName:null,fieldDataTupleId:-1,populateSelectionSettings:!0,selectionWebGLIdsToVTKIds:null,interpolateScalarsBeforeMapping:!1,colorCoordinates:null,colorTextureMap:null,forceCompileOnly:0,useInvertibleColors:!1,invertibleScalars:null,customShaderAttributes:[]};function Tm(e,t){t.classHierarchy.push("vtkRenderPass"),e.getOperation=()=>t.currentOperation,e.setCurrentOperation=e=>{t.currentOperation=e,t.currentTraverseOperation=`traverse${gt.capitalize(t.currentOperation)}`},e.getTraverseOperation=()=>t.currentTraverseOperation,e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;t.deleted||(t._currentParent=r,t.preDelegateOperations.forEach((t=>{e.setCurrentOperation(t),n.traverse(e)})),t.delegates.forEach((t=>{t.traverse(n,e)})),t.postDelegateOperations.forEach((t=>{e.setCurrentOperation(t),n.traverse(e)})))}}gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,_m,n),Vh(e,t,n),gt.get(e,t,["colorCoordinates","colorMapColors","colorTextureMap","selectionWebGLIdsToVTKIds"]),gt.setGet(e,t,["colorByArrayName","arrayAccessMode","colorMode","fieldDataTupleId","interpolateScalarsBeforeMapping","lookupTable","populateSelectionSettings","renderTime","scalarMode","scalarVisibility","static","useLookupTableScalarRange","customShaderAttributes"]),gt.setGetArray(e,t,["scalarRange"],2),lm.implementCoincidentTopologyMethods(e,t),xm(e,t)}),"vtkMapper");const Sm={delegates:[],currentOperation:null,preDelegateOperations:[],postDelegateOperations:[],currentParent:null};function wm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Sm,n),gt.obj(e,t),gt.get(e,t,["currentOperation"]),gt.setGet(e,t,["delegates","_currentParent","preDelegateOperations","postDelegateOperations"]),gt.moveToProtected(e,t,["currentParent"]),Tm(e,t)}var Cm={newInstance:gt.newInstance(wm,"vtkRenderPass"),extend:wm};const{Representation:Am}=wu,{vtkErrorMacro:Em}=gt;function Dm(e){const t=Ca.substitute(e.Fragment,"//VTK::RenderPassFragmentShader::Impl","\n float weight = gl_FragData[0].a * pow(max(1.1 - gl_FragCoord.z, 0.0), 2.0);\n gl_FragData[0] = vec4(gl_FragData[0].rgb*weight, gl_FragData[0].a);\n gl_FragData[1].r = weight;\n ",!1);e.Fragment=t.result}function Im(e,t){t.classHierarchy.push("vtkOpenGLOrderIndependentTranslucentPass"),e.createVertexBuffer=()=>{const e=new Float32Array([-1,-1,-1,1,-1,-1,-1,1,-1,1,1,-1]),n=new Float32Array([0,0,1,0,0,1,1,1]),r=new Uint16Array([4,0,1,3,2]),o=Wr.newInstance({numberOfComponents:3,values:e});o.setName("points");const i=Wr.newInstance({numberOfComponents:2,values:n});i.setName("tcoords");const a=Wr.newInstance({numberOfComponents:1,values:r});t.tris.getCABO().createVBO(a,"polys",Am.SURFACE,{points:o,tcoords:i,cellOffset:0}),t.VBOBuildTime.modified()},e.createFramebuffer=e=>{const n=e.getSize(),r=e.getContext();t.framebuffer=Zs.newInstance(),t.framebuffer.setOpenGLRenderWindow(e),t.framebuffer.create(...n),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind(),t.translucentRGBATexture=hs.newInstance(),t.translucentRGBATexture.setInternalFormat(r.RGBA16F),t.translucentRGBATexture.setFormat(r.RGBA),t.translucentRGBATexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRGBATexture.setOpenGLRenderWindow(e),t.translucentRGBATexture.create2DFromRaw(n[0],n[1],4,"Float32Array",null),t.translucentRTexture=hs.newInstance(),t.translucentRTexture.setInternalFormat(r.R16F),t.translucentRTexture.setFormat(r.RED),t.translucentRTexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRTexture.setOpenGLRenderWindow(e),t.translucentRTexture.create2DFromRaw(n[0],n[1],1,"Float32Array",null),t.translucentZTexture=hs.newInstance(),t.translucentZTexture.setOpenGLRenderWindow(e),t.translucentZTexture.createDepthFromRaw(n[0],n[1],"Float32Array",null),t.framebuffer.setColorBuffer(t.translucentRGBATexture,0),t.framebuffer.setColorBuffer(t.translucentRTexture,1),t.framebuffer.setDepthBuffer(t.translucentZTexture)},e.createCopyShader=e=>{t.copyShader=e.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","attribute vec2 tcoordTC;","varying vec2 tcoord;","void main() { tcoord = tcoordTC; gl_Position = vertexDC; }"].join("\n"),"//VTK::System::Dec\n\nin vec2 tcoord;\n\nuniform sampler2D translucentRTexture;\nuniform sampler2D translucentRGBATexture;\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n vec4 t1Color = texture(translucentRGBATexture, tcoord);\n float t2Color = texture(translucentRTexture, tcoord).r;\n gl_FragData[0] = vec4(t1Color.rgb/max(t2Color,0.01), 1.0 - t1Color.a);\n}\n","")},e.createVBO=n=>{const r=n.getContext();t.tris.setOpenGLRenderWindow(n),e.createVertexBuffer();const o=t.copyShader;t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(o,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),r.FLOAT,3,r.FALSE)||Em("Error setting vertexDC in copy shader VAO."),t.copyVAO.addAttributeArray(o,t.tris.getCABO(),"tcoordTC",t.tris.getCABO().getTCoordOffset(),t.tris.getCABO().getStride(),r.FLOAT,2,r.FALSE)||Em("Error setting vertexDC in copy shader VAO.")},e.traverse=(n,r,o)=>{if(t.deleted)return;const i=n.getSize(),a=n.getContext();if(t._supported=!1,r.getSelector()||!a||!n.getWebgl2()||!a.getExtension("EXT_color_buffer_half_float")&&!a.getExtension("EXT_color_buffer_float"))return e.setCurrentOperation("translucentPass"),void r.traverse(e);if(t._supported=!0,null===t.framebuffer)e.createFramebuffer(n);else{const r=t.framebuffer.getSize();null===r||r[0]!==i[0]||r[1]!==i[1]?(t.framebuffer.releaseGraphicsResources(),t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRTexture.releaseGraphicsResources(n),t.translucentZTexture.releaseGraphicsResources(n),e.createFramebuffer(n)):(t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind())}a.drawBuffers([a.COLOR_ATTACHMENT0]),a.clearBufferfv(a.COLOR,0,[0,0,0,0]),a.clearBufferfv(a.DEPTH,0,[1]),a.colorMask(!1,!1,!1,!1),o.getOpaqueActorCount()>0&&(o.setCurrentOperation("opaqueZBufferPass"),r.traverse(o)),a.colorMask(!0,!0,!0,!0),a.drawBuffers([a.COLOR_ATTACHMENT0,a.COLOR_ATTACHMENT1]),a.viewport(0,0,i[0],i[1]),a.scissor(0,0,i[0],i[1]),a.clearBufferfv(a.COLOR,0,[0,0,0,1]),a.clearBufferfv(a.COLOR,1,[0,0,0,0]),a.enable(a.DEPTH_TEST),a.enable(a.BLEND),a.blendFuncSeparate(a.ONE,a.ONE,a.ZERO,a.ONE_MINUS_SRC_ALPHA),e.setCurrentOperation("translucentPass"),r.traverse(e),a.drawBuffers([a.NONE]),t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader?e.createCopyShader(n):n.getShaderCache().readyShaderProgram(t.copyShader),t.copyVAO||(t.copyVAO=Ia.newInstance(),t.copyVAO.setOpenGLRenderWindow(n)),t.copyVAO.bind(),t.VBOBuildTime.getMTime()t._supported?Dm:null,e.releaseGraphicsResources=n=>{t.framebuffer&&(t.framebuffer.releaseGraphicsResources(n),t.framebuffer=null),t.translucentRGBATexture&&(t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRGBATexture=null),t.translucentRTexture&&(t.translucentRTexture.releaseGraphicsResources(n),t.translucentRTexture=null),t.translucentZTexture&&(t.translucentZTexture.releaseGraphicsResources(n),t.translucentZTexture=null),t.copyVAO&&(t.copyVAO.releaseGraphicsResources(n),t.copyVAO=null),t.copyShader&&(t.copyShader.releaseGraphicsResources(n),t.copyShader=null),t.tris&&(t.tris.releaseGraphicsResources(n),t.tris=null),e.modified()}}const Om={framebuffer:null,copyShader:null,tris:null};function Pm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Om,n),Cm.extend(e,t,n),t.VBOBuildTime={},gt.obj(t.VBOBuildTime,{mtime:0}),t.tris=Ra.newInstance(),gt.get(e,t,["framebuffer"]),Im(e,t)}var Nm={newInstance:gt.newInstance(Pm,"vtkOpenGLOrderIndependentTranslucentPass"),extend:Pm};function Mm(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getRenderable().getNumberOfLayers(),i=n.getChildren();for(let r=0;r0||t.translucentActorCount>0)&&t.volumeCount>0||t.depthRequested){const r=n.getFramebufferSize();null===t.framebuffer&&(t.framebuffer=Zs.newInstance()),t.framebuffer.setOpenGLRenderWindow(n),t.framebuffer.saveCurrentBindingsAndBuffers();const o=t.framebuffer.getSize();null!==o&&o[0]===r[0]&&o[1]===r[1]||(t.framebuffer.create(r[0],r[1]),t.framebuffer.populateFramebuffer()),t.framebuffer.bind(),e.setCurrentOperation("zBufferPass"),a.traverse(e),t.framebuffer.restorePreviousBindingsAndBuffers(),t.depthRequested=!1}e.setCurrentOperation("cameraPass"),a.traverse(e),t.opaqueActorCount>0&&(e.setCurrentOperation("opaquePass"),a.traverse(e)),t.translucentActorCount>0&&(t.translucentPass||(t.translucentPass=Nm.newInstance()),t.translucentPass.traverse(n,a,e)),t.volumeCount>0&&(e.setCurrentOperation("volumePass"),a.traverse(e)),t.overlayActorCount>0&&(e.setCurrentOperation("overlayPass"),a.traverse(e))}}},e.getZBufferTexture=()=>t.framebuffer?t.framebuffer.getColorTexture():null,e.requestDepth=()=>{t.depthRequested=!0},e.incrementOpaqueActorCount=()=>t.opaqueActorCount++,e.incrementTranslucentActorCount=()=>t.translucentActorCount++,e.incrementVolumeCount=()=>t.volumeCount++,e.incrementOverlayActorCount=()=>t.overlayActorCount++}const Rm={opaqueActorCount:0,translucentActorCount:0,volumeCount:0,overlayActorCount:0,framebuffer:null,depthRequested:!1};function Fm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Rm,n),Cm.extend(e,t,n),gt.get(e,t,["framebuffer","opaqueActorCount","translucentActorCount","volumeCount"]),Mm(e,t)}var km={newInstance:gt.newInstance(Fm,"vtkForwardPass"),extend:Fm};const{FieldAssociations:Lm}=di;function Bm(e,t){t.classHierarchy.push("vtkHardwareSelector"),e.getSourceDataAsync=async(e,t,n,r,o)=>{},e.selectAsync=async(t,n,r,o,i)=>{const a=await e.getSourceDataAsync(t,n,r,o,i);return a?a.generateSelection(n,r,o,i):[]}}const Vm={fieldAssociation:Lm.FIELD_ASSOCIATION_CELLS,captureZValues:!1};function Um(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Vm,n),gt.obj(e,t),gt.setGet(e,t,["fieldAssociation","captureZValues"]),Bm(e,t)}var Gm={newInstance:gt.newInstance(Um,"vtkHardwareSelector"),extend:Um};function zm(e,t){t.classHierarchy.push("vtkSelectionNode"),e.getBounds=()=>t.points.getBounds()}const jm={contentType:-1,fieldType:-1,properties:null,selectionList:[]};function Wm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,jm,n),gt.obj(e,t),t.properties={},gt.setGet(e,t,["contentType","fieldType","properties","selectionList"]),zm(e,t)}var Hm={newInstance:gt.newInstance(Wm,"vtkSelectionNode"),extend:Wm,SelectionContent:{GLOBALIDS:0,PEDIGREEIDS:1,VALUES:2,INDICES:3,FRUSTUM:4,LOCATIONS:5,THRESHOLDS:6,BLOCKS:7,QUERY:8},SelectionField:{CELL:0,POINT:1,FIELD:2,VERTEX:3,EDGE:4,ROW:5}};const{PassTypes:Xm}=cm,{SelectionContent:Km,SelectionField:qm}=Hm,{FieldAssociations:$m}=di,{vtkErrorMacro:Ym}=gt;function Jm(e){return`${e.propID} ${e.compositeID}`}function Qm(e,t,n,r){return n?n[4*(t*(r[2]-r[0]+1)+e)+3]:0}function Zm(e,t,n,r){if(!n)return 0;const o=4*(t*(r[2]-r[0]+1)+e),i=n[o],a=n[o+1];return 256*(256*n[o+2]+a)+i}function eg(e,t){let n=t;return n<<=24,n|=e,n}function tg(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]e.area[2]||t[1]e.area[3])return null;const n=[t[0]-e.area[0],t[1]-e.area[1]],o=Zm(n[0],n[1],e.pixBuffer[Xm.ACTOR_PASS],e.area);if(o<=0||o-1>=e.props.length)return null;const i={valid:!0};i.propID=o-1,i.prop=e.props[i.propID];let a=Zm(n[0],n[1],e.pixBuffer[Xm.COMPOSITE_INDEX_PASS],e.area);if((a<0||a>16777215)&&(a=0),i.compositeID=a-1,e.captureZValues){const r=4*(n[1]*(e.area[2]-e.area[0]+1)+n[0]);i.zValue=(256*e.zBuffer[r]+e.zBuffer[r+1])/65535,i.displayPosition=t}if(e.pixBuffer[Xm.ID_LOW24]&&0===Qm(n[0],n[1],e.pixBuffer[Xm.ID_LOW24],e.area))return i;const s=Zm(n[0],n[1],e.pixBuffer[Xm.ID_LOW24],e.area),l=Zm(n[0],n[1],e.pixBuffer[Xm.ID_HIGH24],e.area);return i.attributeID=eg(s,l),i}const i=[t[0],t[1]],a=[0,0];let s=tg(e,t,0,r);if(s&&s.valid)return s;for(let t=1;tt?i[1]-t:0;n<=i[1]+t;++n){if(a[1]=n,i[0]>=t&&(a[0]=i[0]-t,s=tg(e,a,0,r),s&&s.valid))return s;if(a[0]=i[0]+t,s=tg(e,a,0,r),s&&s.valid)return s}for(let n=i[0]>=t?i[0]-(t-1):0;n<=i[0]+(t-1);++n){if(a[0]=n,i[1]>=t&&(a[1]=i[1]-t,s=tg(e,a,0,r),s&&s.valid))return s;if(a[1]=i[1]+t,s=tg(e,a,0,r),s&&s.valid)return s}}return r[0]=t[0],r[1]=t[1],null}function ng(e,t,n,r,o){const i=[];let a=0;return t.forEach(((t,s)=>{const l=Hm.newInstance();switch(l.setContentType(Km.INDICES),e){case $m.FIELD_ASSOCIATION_CELLS:l.setFieldType(qm.CELL);break;case $m.FIELD_ASSOCIATION_POINTS:l.setFieldType(qm.POINT);break;default:Ym("Unknown field association")}l.getProperties().propID=t.info.propID,l.getProperties().prop=t.info.prop,l.getProperties().compositeID=t.info.compositeID,l.getProperties().attributeID=t.info.attributeID,l.getProperties().pixelCount=t.pixelCount,n&&(l.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],l.getProperties().worldPosition=o.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,r)),l.setSelectionList(t.attributeIDs),i[a]=l,a++})),i}function rg(e,t,n,r,o){const i=Math.floor(t),a=Math.floor(n),s=Math.floor(r),l=Math.floor(o),u=new Map,c=[0,0];for(let t=a;t<=l;t++)for(let n=i;n<=s;n++){const r=tg(e,[n,t],0,c);if(r&&r.valid){const t=Jm(r);if(u.has(t)){const n=u.get(t);n.pixelCount++,e.captureZValues&&r.zValue{t.rawPixBuffer=[],t.pixBuffer=[],t.zBuffer=null},e.beginSelection=()=>{t._openGLRenderer=t._openGLRenderWindow.getViewNodeFor(t._renderer),t.maxAttributeId=0;const n=t._openGLRenderWindow.getSize();if(t.framebuffer){t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers();const e=t.framebuffer.getSize();e[0]!==n[0]||e[1]!==n[1]?(t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer()):t.framebuffer.bind()}else t.framebuffer=Zs.newInstance(),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer();if(t._openGLRenderer.clear(),t._openGLRenderer.setSelector(e),t.hitProps={},t.propPixels={},t.props=[],e.releasePixBuffers(),t.fieldAssociation===$m.FIELD_ASSOCIATION_POINTS){const e=t._openGLRenderWindow.getContext(),n=e.isEnabled(e.BLEND);e.disable(e.BLEND),t._openGLRenderWindow.traverseAllPasses(),n&&e.enable(e.BLEND)}},e.endSelection=()=>{t.hitProps={},t._openGLRenderer.setSelector(null),t.framebuffer.restorePreviousBindingsAndBuffers()},e.preCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending=e.isEnabled(e.BLEND),e.disable(e.BLEND)},e.postCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending&&e.enable(e.BLEND)},e.select=()=>{let n=null;return e.captureBuffers()&&(n=e.generateSelection(t.area[0],t.area[1],t.area[2],t.area[3]),e.releasePixBuffers()),n},e.getSourceDataAsync=async(n,r,o,i,a)=>{if(t._renderer=n,void 0===r){const n=t._openGLRenderWindow.getSize();e.setArea(0,0,n[0]-1,n[1]-1)}else e.setArea(r,o,i,a);if(!e.captureBuffers())return!1;const s={area:[...t.area],pixBuffer:[...t.pixBuffer],captureZValues:t.captureZValues,zBuffer:t.zBuffer,props:[...t.props],fieldAssociation:t.fieldAssociation,renderer:n,openGLRenderWindow:t._openGLRenderWindow,generateSelection:function(){for(var e=arguments.length,t=new Array(e),n=0;n{if(!t._renderer||!t._openGLRenderWindow)return Ym("Renderer and view must be set before calling Select."),!1;t._openGLRenderer=t._openGLRenderWindow.getViewNodeFor(t._renderer),t._openGLRenderWindow.getRenderable().preRender(),e.invokeEvent({type:"StartEvent"}),t.originalBackground=t._renderer.getBackgroundByReference(),t._renderer.setBackground(0,0,0,0);const n=t._openGLRenderWindow.getRenderPasses();for(e.beginSelection(),t.currentPass=Xm.MIN_KNOWN_PASS;t.currentPass<=Xm.MAX_KNOWN_PASS;t.currentPass++)e.passRequired(t.currentPass)&&(e.preCapturePass(t.currentPass),t.captureZValues&&t.currentPass===Xm.ACTOR_PASS&&"function"==typeof n[0].requestDepth&&"function"==typeof n[0].getFramebuffer?(n[0].requestDepth(),t._openGLRenderWindow.traverseAllPasses()):t._openGLRenderWindow.traverseAllPasses(),e.postCapturePass(t.currentPass),e.savePixelBuffer(t.currentPass),e.processPixelBuffers());return e.endSelection(),t._renderer.setBackground(t.originalBackground),e.invokeEvent({type:"EndEvent"}),!0},e.processPixelBuffers=()=>{t.props.forEach(((n,r)=>{e.isPropHit(r)&&n.processSelectorPixelBuffers(e,t.propPixels[r])}))},e.passRequired=e=>{if(e===Xm.ID_HIGH24){if(t.fieldAssociation===$m.FIELD_ASSOCIATION_POINTS)return t.maximumPointId>16777215;if(t.fieldAssociation===$m.FIELD_ASSOCIATION_CELLS)return t.maximumCellId>16777215}return!0},e.savePixelBuffer=n=>{if(t.pixBuffer[n]=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),!t.rawPixBuffer[n]){const e=(t.area[2]-t.area[0]+1)*(t.area[3]-t.area[1]+1)*4;t.rawPixBuffer[n]=new Uint8Array(e),t.rawPixBuffer[n].set(t.pixBuffer[n])}if(n===Xm.ACTOR_PASS){if(t.captureZValues){const e=t._openGLRenderWindow.getRenderPasses();if("function"==typeof e[0].requestDepth&&"function"==typeof e[0].getFramebuffer){const n=e[0].getFramebuffer();n.saveCurrentBindingsAndBuffers(),n.bind(),t.zBuffer=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),n.restorePreviousBindingsAndBuffers()}}e.buildPropHitList(t.rawPixBuffer[n])}},e.buildPropHitList=e=>{let n=0;for(let r=0;r<=t.area[3]-t.area[1];r++)for(let o=0;o<=t.area[2]-t.area[0];o++){let i=Zm(o,r,e,t.area);i>0&&(i--,i in t.hitProps||(t.hitProps[i]=!0,t.propPixels[i]=[]),t.propPixels[i].push(4*n)),++n}},e.renderProp=n=>{t.currentPass===Xm.ACTOR_PASS&&(e.setPropColorValueFromInt(t.props.length+1),t.props.push(n))},e.renderCompositeIndex=n=>{t.currentPass===Xm.COMPOSITE_INDEX_PASS&&e.setPropColorValueFromInt(n+1)},e.renderAttributeId=e=>{e<0||(t.maxAttributeId=e>t.maxAttributeId?e:t.maxAttributeId)},e.passTypeToString=e=>gt.enumToString(Xm,e),e.isPropHit=e=>Boolean(t.hitProps[e]),e.setPropColorValueFromInt=e=>{t.propColorValue[0]=e%256/255,t.propColorValue[1]=Math.floor(e/256)%256/255,t.propColorValue[2]=Math.floor(e/65536)%256/255},e.getPixelInformation=(n,r,o)=>{const i=r<0?0:r;if(0===i){if(o[0]=n[0],o[1]=n[1],n[0]t.area[2]||n[1]t.area[3])return null;const e=[n[0]-t.area[0],n[1]-t.area[1]],r=Zm(e[0],e[1],t.pixBuffer[Xm.ACTOR_PASS],t.area);if(r<=0||r-1>=t.props.length)return null;const i={valid:!0};i.propID=r-1,i.prop=t.props[i.propID];let a=Zm(e[0],e[1],t.pixBuffer[Xm.COMPOSITE_INDEX_PASS],t.area);if((a<0||a>16777215)&&(a=0),i.compositeID=a-1,t.captureZValues){const r=4*(e[1]*(t.area[2]-t.area[0]+1)+e[0]);i.zValue=(256*t.zBuffer[r]+t.zBuffer[r+1])/65535,i.displayPosition=n}if(t.pixBuffer[Xm.ID_LOW24]&&0===Qm(e[0],e[1],t.pixBuffer[Xm.ID_LOW24],t.area))return i;const s=Zm(e[0],e[1],t.pixBuffer[Xm.ID_LOW24],t.area),l=Zm(e[0],e[1],t.pixBuffer[Xm.ID_HIGH24],t.area);return i.attributeID=eg(s,l),i}const a=[n[0],n[1]],s=[0,0];let l=e.getPixelInformation(n,0,o);if(l&&l.valid)return l;for(let t=1;tt?a[1]-t:0;n<=a[1]+t;++n){if(s[1]=n,a[0]>=t&&(s[0]=a[0]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[0]=a[0]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}for(let n=a[0]>=t?a[0]-(t-1):0;n<=a[0]+(t-1);++n){if(s[0]=n,a[1]>=t&&(s[1]=a[1]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[1]=a[1]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}}return o[0]=n[0],o[1]=n[1],null},e.generateSelection=(n,r,o,i)=>{const a=Math.floor(n),s=Math.floor(r),l=Math.floor(o),u=Math.floor(i),c=new Map,d=[0,0];for(let n=s;n<=u;n++)for(let r=a;r<=l;r++){const o=[r,n],i=e.getPixelInformation(o,0,d);if(i&&i.valid){const e=Jm(i);if(c.has(e)){const n=c.get(e);n.pixelCount++,t.captureZValues&&i.zValuet.rawPixBuffer[e],e.getPixelBuffer=e=>t.pixBuffer[e],e.attach=(e,n)=>{t._openGLRenderWindow=e,t._renderer=n};const n=e.setArea;e.setArea=function(){return!!n(...arguments)&&(t.area[0]=Math.floor(t.area[0]),t.area[1]=Math.floor(t.area[1]),t.area[2]=Math.floor(t.area[2]),t.area[3]=Math.floor(t.area[3]),!0)}}const ig={area:void 0,currentPass:-1,propColorValue:null,props:null,maximumPointId:0,maximumCellId:0,idOffset:1};function ag(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ig,n),Gm.extend(e,t,n),t.propColorValue=[0,0,0],t.props=[],t.area||(t.area=[0,0,0,0]),gt.setGetArray(e,t,["area"],4),gt.setGet(e,t,["_renderer","currentPass","_openGLRenderWindow","maximumPointId","maximumCellId"]),gt.setGetArray(e,t,["propColorValue"],3),gt.moveToProtected(e,t,["renderer","openGLRenderWindow"]),gt.event(e,t,"event"),og(e,t)}var sg={newInstance:gt.newInstance(ag,"vtkOpenGLHardwareSelector"),extend:ag,...cm},lg=n(594),ug=n.n(lg);const cg=["lastShaderProgramBound","context","_openGLRenderWindow"];function dg(e,t){t.classHierarchy.push("vtkShaderCache"),e.replaceShaderValues=(e,n,r)=>{let o=n;r.length>0&&(o=Ca.substitute(o,"VSOut","GSOut").result);const i=t._openGLRenderWindow.getWebgl2();let a="\n",s="#version 100\n";i?s="#version 300 es\n#define attribute in\n#define textureCube texture\n#define texture2D texture\n#define textureCubeLod textureLod\n#define texture2DLod textureLod\n":(t.context.getExtension("OES_standard_derivatives"),t.context.getExtension("EXT_frag_depth")&&(a="#extension GL_EXT_frag_depth : enable\n"),t.context.getExtension("EXT_shader_texture_lod")&&(a+="#extension GL_EXT_shader_texture_lod : enable\n#define textureCubeLod textureCubeLodEXT\n#define texture2DLod texture2DLodEXT")),o=Ca.substitute(o,"//VTK::System::Dec",[`${s}\n`,i?"":"#extension GL_OES_standard_derivatives : enable\n",a,"#ifdef GL_FRAGMENT_PRECISION_HIGH","precision highp float;","precision highp int;","#else","precision mediump float;","precision mediump int;","#endif"]).result;let l=Ca.substitute(e,"//VTK::System::Dec",[`${s}\n`,"#ifdef GL_FRAGMENT_PRECISION_HIGH","precision highp float;","precision highp int;","#else","precision mediump float;","precision mediump int;","#endif"]).result;if(i){l=Ca.substitute(l,"varying","out").result,o=Ca.substitute(o,"varying","in").result;let e="",t=0;for(;o.includes(`gl_FragData[${t}]`);)o=Ca.substitute(o,`gl_FragData\\[${t}\\]`,`fragOutput${t}`).result,e+=`layout(location = ${t}) out vec4 fragOutput${t};\n`,t++;o=Ca.substitute(o,"//VTK::Output::Dec",e).result}return{VSSource:l,FSSource:o,GSSource:Ca.substitute(r,"//VTK::System::Dec",s).result}},e.readyShaderProgramArray=(t,n,r)=>{const o=e.replaceShaderValues(t,n,r),i=e.getShaderProgram(o.VSSource,o.FSSource,o.GSSource);return e.readyShaderProgram(i)},e.readyShaderProgram=t=>t&&(t.getCompiled()||t.compileShader())&&e.bindShaderProgram(t)?t:null,e.getShaderProgram=(e,n,r)=>{const o=`${e}${n}${r}`,i=ug().hash(o);if(!(i in t.shaderPrograms)){const o=Ca.newInstance();return o.setContext(t.context),o.getVertexShader().setSource(e),o.getFragmentShader().setSource(n),r&&o.getGeometryShader().setSource(r),o.setMd5Hash(i),t.shaderPrograms[i]=o,o}return t.shaderPrograms[i]},e.releaseGraphicsResources=n=>{e.releaseCurrentShaderProgram(),Object.keys(t.shaderPrograms).map((e=>t.shaderPrograms[e])).forEach((e=>e.cleanup())),t.shaderPrograms={}},e.releaseCurrentShaderProgram=()=>{t.lastShaderProgramBound&&(t.lastShaderProgramBound.cleanup(),t.lastShaderProgramBound=null)},e.bindShaderProgram=e=>(t.lastShaderProgramBound===e||(t.lastShaderProgramBound&&t.lastShaderProgramBound.release(),e.bind(),t.lastShaderProgramBound=e),1)}const pg={lastShaderProgramBound:null,shaderPrograms:null,context:null};function fg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,pg,n),t.shaderPrograms={},gt.obj(e,t),gt.setGet(e,t,cg),gt.moveToProtected(e,t,["openGLRenderWindow"]),dg(e,t)}var hg={newInstance:gt.newInstance(fg,"vtkShaderCache"),extend:fg};const{vtkErrorMacro:mg}=gt;function gg(e,t){t.classHierarchy.push("vtkOpenGLTextureUnitManager"),e.deleteTable=()=>{for(let e=0;e{if(t.context!==n){if(0!==t.context&&e.deleteTable(),t.context=n,t.context){t.numberOfTextureUnits=n.getParameter(n.MAX_TEXTURE_IMAGE_UNITS);for(let e=0;e{for(let n=0;ne.isAllocated(n)?-1:(t.textureUnits[n]=!0,n),e.isAllocated=e=>t.textureUnits[e],e.free=e=>{t.textureUnits[e]=!1},e.freeAll=()=>{for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,vg,n),gt.obj(e,t),t.textureUnits=[],gt.get(e,t,["numberOfTextureUnits"]),gt.setGet(e,t,["context"]),gg(e,t)}var bg={newInstance:gt.newInstance(yg,"vtkOpenGLTextureUnitManager"),extend:yg};function xg(e,t){t.classHierarchy.push("vtkRenderWindowViewNode"),e.getViewNodeFactory=()=>null,e.getAspectRatio=()=>t.size[0]/t.size[1],e.getAspectRatioForRenderer=e=>{const n=e.getViewportByReference();return t.size[0]*(n[2]-n[0])/((n[3]-n[1])*t.size[1])},e.isInViewport=(t,n,r)=>{const o=r.getViewportByReference(),i=e.getFramebufferSize();return o[0]*i[0]<=t&&o[2]*i[0]>=t&&o[1]*i[1]<=n&&o[3]*i[1]>=n},e.getViewportSize=t=>{const 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i=o.getViewportByReference();i=e.normalizedDisplayToDisplay(i[0],i[1],0);const a=e.normalizedDisplayToDisplay(t,n,r);return[a[0]-i[0]-.5,a[1]-i[1]-.5,r]},e.viewportToNormalizedViewport=(t,n,r,o)=>{const i=e.getViewportSize(o);return i&&0!==i[0]&&0!==i[1]?[t/(i[0]-1),n/(i[1]-1),r]:[t,n,r]},e.normalizedViewportToViewport=(t,n,r,o)=>{const i=e.getViewportSize(o);return[t*(i[0]-1),n*(i[1]-1),r]},e.displayToLocalDisplay=(t,n,r)=>[t,e.getFramebufferSize()[1]-n-1,r],e.viewportToNormalizedDisplay=(t,n,r,o)=>{let i=o.getViewportByReference();i=e.normalizedDisplayToDisplay(i[0],i[1],0);const a=t+i[0]+.5,s=n+i[1]+.5;return e.displayToNormalizedDisplay(a,s,r)},e.getComputedDevicePixelRatio=()=>t.size[0]/e.getContainerSize()[0],e.getContainerSize=()=>{gt.vtkErrorMacro("not implemented")},e.getPixelData=(e,t,n,r)=>{gt.vtkErrorMacro("not implemented")},e.createSelector=()=>{gt.vtkErrorMacro("not implemented")}}const _g={size:void 0,selector:void 0};function Tg(e,t){let n=arguments.length>2&&void 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t=e.getContainer().getElementsByTagName("canvas");for(let e=0;e{t.cullFaceEnabled&&(t.context.disable(t.context.CULL_FACE),t.cullFaceEnabled=!1)},e.enableCullFace=()=>{t.cullFaceEnabled||(t.context.enable(t.context.CULL_FACE),t.cullFaceEnabled=!0)},e.setViewStream=n=>t.viewStream!==n&&(t.subscription&&(t.subscription.unsubscribe(),t.subscription=null),t.viewStream=n,t.viewStream&&(t.renderable.getRenderers()[0].getBackgroundByReference()[3]=0,e.setUseBackgroundImage(!0),t.subscription=t.viewStream.onImageReady((t=>e.setBackgroundImage(t.image))),t.viewStream.setSize(t.size[0],t.size[1]),t.viewStream.invalidateCache(),t.viewStream.render(),e.modified()),!0),e.createSelector=()=>{const t=sg.newInstance();return t.setOpenGLRenderWindow(e),t},e.delete=gt.chain((function(){t.canvas.removeEventListener("webglcontextlost",Ng),t.canvas.removeEventListener("webglcontextrestored",e.restoreContext)}),e.delete,e.setViewStream,Pg),e.setActiveFramebuffer=e=>{t.activeFramebuffer=e};const i=e.setSize;e.setSize=(t,n)=>{const r=i(t,n);return r&&e.invokeWindowResizeEvent({width:t,height:n}),r},e.getGraphicsResourceForObject=e=>e?{vtkObj:t._graphicsResources.get(e),hash:t._graphicsResourceHash.get(e)}:null,e.setGraphicsResourceForObject=(e,n,r)=>{e&&(t._graphicsResources.set(e,n),t._graphicsResourceHash.set(e,r))},e.getGraphicsMemoryInfo=()=>{let e=0;return t._graphicsResources.forEach(((t,n)=>{e+=t.getAllocatedGPUMemoryInBytes()})),e},e.releaseGraphicsResourcesForObject=n=>!!n&&(t._graphicsResources.get(n)?.releaseGraphicsResources(e),t._graphicsResources.delete(n)&&t._graphicsResourceHash.delete(n)),e.releaseGraphicsResources=()=>{null!==t.shaderCache&&t.shaderCache.releaseGraphicsResources(e),t._graphicsResources.forEach(((t,n)=>{t.releaseGraphicsResources(e)})),t._graphicsResources.clear(),t._graphicsResourceHash.clear(),null!==t.textureUnitManager&&t.textureUnitManager.freeAll(),t.renderable.getRenderersByReference().forEach((t=>{e.getViewNodeFor(t)?.releaseGraphicsResources()}))}}const Rg={cullFaceEnabled:!1,shaderCache:null,initialized:!1,context:null,canvas:null,cursorVisibility:!0,cursor:"pointer",textureUnitManager:null,textureResourceIds:null,containerSize:null,renderPasses:[],notifyStartCaptureImage:!1,webgl2:!1,defaultToWebgl2:!0,activeFramebuffer:null,imageFormat:"image/png",useOffScreen:!1,useBackgroundImage:!1};const Fg=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Rg,n),Sg.extend(e,t,n),t.canvas=document.createElement("canvas"),t.canvas.style.width="100%",Og(),t.selector||(t.selector=sg.newInstance(),t.selector.setOpenGLRenderWindow(e)),t.bgImage=new Image,t.bgImage.style.position="absolute",t.bgImage.style.left="0",t.bgImage.style.top="0",t.bgImage.style.width="100%",t.bgImage.style.height="100%",t.bgImage.style.zIndex="-1",t._textureResourceIds=new Map,t._graphicsResources=new Map,t._graphicsResourceHash=new Map,t._glInformation=null,t.myFactory=Nt.newInstance(),t.myFactory.registerOverride("vtkRenderWindow",Fg),t.shaderCache=hg.newInstance(),t.shaderCache.setOpenGLRenderWindow(e),t.renderPasses[0]=km.newInstance(),gt.event(e,t,"imageReady"),gt.get(e,t,["shaderCache","textureUnitManager","webgl2","useBackgroundImage","activeFramebuffer"]),gt.setGet(e,t,["initialized","context","canvas","renderPasses","notifyStartCaptureImage","defaultToWebgl2","cursor","useOffScreen"]),gt.setGetArray(e,t,["size"],2),gt.event(e,t,"windowResizeEvent"),Mg(e,t)}),"vtkOpenGLRenderWindow");If("WebGL",Fg);const kg=["setBindGroup","setIndexBuffer","setVertexBuffer","draw","drawIndexed"];function Lg(e,t){t.classHierarchy.push("vtkWebGPURenderEncoder"),e.begin=e=>{t.drawCallbacks=[],t.handle=e.beginRenderPass(t.description),t.label&&t.handle.pushDebugGroup(t.label)},e.end=()=>{for(let n=0;n{if(t.boundPipeline===e)return;t.handle.setPipeline(e.getHandle());const n=e.getPipelineDescription();if(t.colorTextureViews.length!==n.fragment.targets.length)console.log(`mismatched attachment counts on pipeline ${n.fragment.targets.length} while encoder has ${t.colorTextureViews.length}`),console.trace();else for(let e=0;e{t.replaceShaderCodeFunction(e)},e.setColorTextureView=(e,n)=>{t.colorTextureViews[e]!==n&&(t.colorTextureViews[e]=n)},e.activateBindGroup=e=>{const n=t.boundPipeline.getDevice(),r=t.boundPipeline.getBindGroupLayoutCount(e.getLabel());t.handle.setBindGroup(r,e.getBindGroup(n));const o=n.getBindGroupLayoutDescription(e.getBindGroupLayout(n)),i=n.getBindGroupLayoutDescription(t.boundPipeline.getBindGroupLayout(r));o!==i&&(console.log(`renderEncoder ${t.pipelineHash} mismatched bind group layouts bind group has\n${o}\n versus pipeline\n${i}\n`),console.trace())},e.attachTextureViews=()=>{for(let e=0;e{for(let r=0;r2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Bg,n),je(e,t),t.description={colorAttachments:[{view:void 0,loadOp:"load",storeOp:"store"}],depthStencilAttachment:{view:void 0,depthLoadOp:"clear",depthClearValue:0,depthStoreOp:"store"}},t.replaceShaderCodeFunction=e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = computedColor;"]).result,t.setCode(n)},t.pipelineSettings={primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater-equal",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}},t.colorTextureViews=[],He(e,t,["boundPipeline","colorTextureViews"]),$e(e,t,["depthTextureView","description","handle","label","pipelineHash","pipelineSettings","replaceShaderCodeFunction"]),Lg(e,t)}var Ug={newInstance:rt(Vg,"vtkWebGPURenderEncoder"),extend:Vg};function Gg(e,t){t.classHierarchy.push("vtkWebGPUTextureView"),e.create=(e,n)=>{t.texture=e,t.options=n,t.options.dimension=t.options.dimension||"2d",t.options.label=t.label,t.textureHandle=e.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupLayoutEntry.texture.viewDimension=t.options.dimension;const r=Hl(t.texture.getFormat());t.bindGroupLayoutEntry.texture.sampleType=r.sampleType},e.createFromTextureHandle=(e,n)=>{t.texture=null,t.options=n,t.options.dimension=t.options.dimension||"2d",t.options.label=t.label,t.textureHandle=e,t.handle=t.textureHandle.createView(t.options),t.bindGroupLayoutEntry.texture.viewDimension=t.options.dimension;const r=Hl(n.format);t.bindGroupLayoutEntry.texture.sampleType=r.sampleType,t.bindGroupTime.modified()},e.getBindGroupEntry=()=>({resource:e.getHandle()}),e.getShaderCode=(e,n)=>{let r="f32";"sint"===t.bindGroupLayoutEntry.texture.sampleType?r="i32":"uint"===t.bindGroupLayoutEntry.texture.sampleType&&(r="u32");let o=`@binding(${e}) @group(${n}) var ${t.label}: texture_${t.options.dimension}<${r}>;`;return"depth"===t.bindGroupLayoutEntry.texture.sampleType&&(o=`@binding(${e}) @group(${n}) var ${t.label}: texture_depth_${t.options.dimension};`),o},e.addSampler=(n,r)=>{const o=vc.newInstance({label:`${t.label}Sampler`});o.create(n,r),e.setSampler(o)},e.getBindGroupTime=()=>(t.texture&&t.texture.getHandle()!==t.textureHandle&&(t.textureHandle=t.texture.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupTime.modified()),t.bindGroupTime),e.getHandle=()=>(t.texture&&t.texture.getHandle()!==t.textureHandle&&(t.textureHandle=t.texture.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupTime.modified()),t.handle)}const zg={texture:null,handle:null,sampler:null,label:null};function jg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,zg,n),gt.obj(e,t),t.bindGroupLayoutEntry={visibility:GPUShaderStage.VERTEX|GPUShaderStage.FRAGMENT,texture:{sampleType:"float",viewDimension:"2d"}},t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),gt.get(e,t,["bindGroupTime","texture"]),gt.setGet(e,t,["bindGroupLayoutEntry","label","sampler"]),Gg(e,t)}var Wg={newInstance:gt.newInstance(jg),extend:jg};function Hg(e,t){t.classHierarchy.push("vtkTexture"),e.imageLoaded=()=>{t.image.removeEventListener("load",e.imageLoaded),t.imageLoaded=!0,e.modified()},e.setJsImageData=n=>{t.jsImageData!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.image=null,t.canvas=null),t.jsImageData=n,t.imageLoaded=!0,e.modified())},e.setCanvas=n=>{t.canvas!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.image=null,t.jsImageData=null),t.canvas=n,e.modified())},e.setImage=n=>{t.image!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.canvas=null,t.jsImageData=null),t.image=n,t.imageLoaded=!1,n.complete?e.imageLoaded():n.addEventListener("load",e.imageLoaded),e.modified())},e.getDimensionality=()=>{let n=0,r=0,o=1;if(e.getInputData()){const t=e.getInputData();n=t.getDimensions()[0],r=t.getDimensions()[1],o=t.getDimensions()[2]}return t.jsImageData&&(n=t.jsImageData.width,r=t.jsImageData.height),t.canvas&&(n=t.canvas.width,r=t.canvas.height),t.image&&(n=t.image.width,r=t.image.height),(n>1)+(r>1)+(o>1)},e.getInputAsJsImageData=()=>{if(!t.imageLoaded||e.getInputData())return null;if(t.jsImageData)return t.jsImageData();if(t.canvas)return t.canvas.getContext("2d").getImageData(0,0,t.canvas.width,t.canvas.height);if(t.image){const e=document.createElement("canvas");e.width=t.image.width,e.height=t.image.height;const n=e.getContext("2d");return n.translate(0,e.height),n.scale(1,-1),n.drawImage(t.image,0,0,t.image.width,t.image.height),n.getImageData(0,0,e.width,e.height)}return null}}const Xg={image:null,canvas:null,jsImageData:null,imageLoaded:!1,repeat:!1,interpolate:!1,edgeClamp:!1,mipLevel:0,resizable:!1};function Kg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Xg,n),gt.obj(e,t),gt.algo(e,t,6,0),gt.get(e,t,["canvas","image","jsImageData","imageLoaded","resizable"]),gt.setGet(e,t,["repeat","edgeClamp","interpolate","mipLevel"]),Hg(e,t)}const qg={generateMipmaps:(e,t,n,r)=>{const o=[1,2,1],i=e.length/(t*n);let a=t,s=n,l=e;const u=[l];for(let e=0;ei&&(c+=t),d<-i&&(c-=t),r[c]?u+=r[c]*o[l]:s-=o[l],a+=1}l[e+n]=u/s}r=[...l];for(let e=0;e{t.device=e,t.width=n.width,t.height=n.height,t.depth=n.depth?n.depth:1;const r=1===t.depth?"2d":"3d";t.format=n.format?n.format:"rgba8unorm",t.mipLevel=n.mipLevel?n.mipLevel:0,t.usage=n.usage?n.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST,t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label,dimension:r,mipLevelCount:t.mipLevel+1})},e.assignFromHandle=(e,n,r)=>{t.device=e,t.handle=n,t.width=r.width,t.height=r.height,t.depth=r.depth?r.depth:1,t.format=r.format?r.format:"rgba8unorm",t.usage=r.usage?r.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST},e.writeImageData=n=>{let r=[];if(n.canvas)return t.device.getHandle().queue.copyExternalImageToTexture({source:n.canvas,flipY:n.flip},{texture:t.handle,premultipliedAlpha:!0},[t.width,t.height,t.depth]),void(t.ready=!0);n.jsImageData&&!n.nativeArray&&(n.width=n.jsImageData.width,n.height=n.jsImageData.height,n.depth=1,n.format="rgba8unorm",n.flip=!0,n.nativeArray=n.jsImageData.data);const o=Hl(t.format);let i=t.width*o.stride;const a=(e,t,n)=>{const r=e.length/(t*n)*e.BYTES_PER_ELEMENT,i=2===o.elementSize&&"float"===o.sampleType;if(i||r%256){const a=e,s=r/a.BYTES_PER_ELEMENT,l=o.elementSize,u=256*Math.floor((s*l+255)/256),c=u/l,d=gt.newTypedArray(i?"Uint16Array":a.constructor.name,c*t*n);for(let e=0;e{const e=Hl(t.format);return 2===e.elementSize&&"float"===e.sampleType?1:255},e.getNumberOfComponents=()=>Hl(t.format).numComponents,e.getDimensionality=()=>{let e=0;return t.width>1&&e++,t.height>1&&e++,t.depth>1&&e++,e},e.resizeToMatch=e=>{e.getWidth()===t.width&&e.getHeight()===t.height&&e.getDepth()===t.depth||(t.width=e.getWidth(),t.height=e.getHeight(),t.depth=e.getDepth(),t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label}))},e.resize=function(e,n){let r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:1;e===t.width&&n===t.height&&r===t.depth||(t.width=e,t.height=n,t.depth=r,t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label}))},e.createView=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};r.dimension||(r.dimension=1===t.depth?"2d":"3d");const o=Wg.newInstance({label:n});return o.create(e,r),o}}const Qg={device:null,handle:null,buffer:null,ready:!1,label:null};function Zg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Qg,n),gt.obj(e,t),gt.get(e,t,["handle","ready","width","height","depth","format","usage"]),gt.setGet(e,t,["device","label"]),Jg(e,t)}var ev={newInstance:gt.newInstance(Zg),extend:Zg};function tv(e,t){t.classHierarchy.push("vtkWebGPUOpaquePass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.renderEncoder)t.colorTexture.resize(r.getCanvas().width,r.getCanvas().height),t.depthTexture.resize(r.getCanvas().width,r.getCanvas().height);else{e.createRenderEncoder(),t.colorTexture=ev.newInstance({label:"opaquePassColor"}),t.colorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const n=t.colorTexture.createView("opaquePassColorTexture");t.renderEncoder.setColorTextureView(0,n),t.depthFormat="depth32float",t.depthTexture=ev.newInstance({label:"opaquePassDepth"}),t.depthTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:t.depthFormat,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const i=t.depthTexture.createView("opaquePassDepthTexture");t.renderEncoder.setDepthTextureView(i)}t.renderEncoder.attachTextureViews(),e.setCurrentOperation("opaquePass"),n.setRenderEncoder(t.renderEncoder),n.traverse(e)},e.getColorTextureView=()=>t.renderEncoder.getColorTextureViews()[0],e.getDepthTextureView=()=>t.renderEncoder.getDepthTextureView(),e.createRenderEncoder=()=>{t.renderEncoder=Ug.newInstance({label:"OpaquePass"}),t.renderEncoder.setPipelineHash("op")}}const nv={renderEncoder:null,colorTexture:null,depthTexture:null};function rv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,nv,n),Cm.extend(e,t,n),gt.get(e,t,["colorTexture","depthTexture"]),tv(e,t)}var ov={newInstance:gt.newInstance(rv,"vtkWebGPUOpaquePass"),extend:rv};function iv(e,t){t.classHierarchy.push("vtkWebGPUOrderIndependentTranslucentPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.translucentRenderEncoder)t.translucentColorTexture.resizeToMatch(t.colorTextureView.getTexture()),t.translucentAccumulateTexture.resizeToMatch(t.colorTextureView.getTexture());else{e.createRenderEncoder(),e.createFinalEncoder(),t.translucentColorTexture=ev.newInstance({label:"translucentPassColor"}),t.translucentColorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const n=t.translucentColorTexture.createView("oitpColorTexture");t.translucentRenderEncoder.setColorTextureView(0,n),t.translucentAccumulateTexture=ev.newInstance({label:"translucentPassAccumulate"}),t.translucentAccumulateTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const i=t.translucentAccumulateTexture.createView("oitpAccumTexture");t.translucentRenderEncoder.setColorTextureView(1,i),t.fullScreenQuad=du.newInstance(),t.fullScreenQuad.setDevice(r.getDevice()),t.fullScreenQuad.setPipelineHash("oitpfsq"),t.fullScreenQuad.setTextureViews(t.translucentRenderEncoder.getColorTextureViews()),t.fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var tcoord: vec2 = vec2(i32(input.fragPos.x), i32(input.fragPos.y));\n var reveal: f32 = textureLoad(oitpAccumTexture, tcoord, 0).r;\n if (reveal == 1.0) { discard; }\n var tcolor: vec4 = textureLoad(oitpColorTexture, tcoord, 0);\n var total: f32 = max(tcolor.a, 0.01);\n var computedColor: vec4 = vec4(tcolor.r/total, tcolor.g/total, tcolor.b/total, 1.0 - reveal);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n")}t.translucentRenderEncoder.setDepthTextureView(t.depthTextureView),t.translucentRenderEncoder.attachTextureViews(),e.setCurrentOperation("translucentPass"),n.setRenderEncoder(t.translucentRenderEncoder),n.traverse(e),e.finalPass(r,n)},e.finalPass=(e,n)=>{t.translucentFinalEncoder.setColorTextureView(0,t.colorTextureView),t.translucentFinalEncoder.attachTextureViews(),t.translucentFinalEncoder.begin(e.getCommandEncoder()),n.scissorAndViewport(t.translucentFinalEncoder),t.fullScreenQuad.prepareAndDraw(t.translucentFinalEncoder),t.translucentFinalEncoder.end()},e.getTextures=()=>[t.translucentColorTexture,t.translucentAccumulateTexture],e.createRenderEncoder=()=>{t.translucentRenderEncoder=Ug.newInstance({label:"translucentRender"});const e=t.translucentRenderEncoder.getDescription();e.colorAttachments=[{view:void 0,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:void 0,clearValue:[1,0,0,0],loadOp:"clear",storeOp:"store"}],e.depthStencilAttachment={view:void 0,depthLoadOp:"load",depthStoreOp:"store"},t.translucentRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor"),t.addOutput("f32","outAccum"),t.addBuiltinInput("vec4","@builtin(position) fragPos");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["var w: f32 = computedColor.a * pow(0.1 + input.fragPos.z, 2.0);","output.outColor = vec4(computedColor.rgb*w, w);","output.outAccum = computedColor.a;"]).result,t.setCode(n)})),t.translucentRenderEncoder.setPipelineHash("oitpr"),t.translucentRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!1,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one"},alpha:{srcfactor:"one",dstFactor:"one"}}},{format:"r16float",blend:{color:{srcFactor:"zero",dstFactor:"one-minus-src"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createFinalEncoder=()=>{t.translucentFinalEncoder=Ug.newInstance({label:"translucentFinal"}),t.translucentFinalEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t.translucentFinalEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor"),t.addBuiltinInput("vec4","@builtin(position) fragPos");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t.translucentFinalEncoder.setPipelineHash("oitpf"),t.translucentFinalEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})}}const av={colorTextureView:null,depthTextureView:null};function sv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,av,n),Cm.extend(e,t,n),gt.setGet(e,t,["colorTextureView","depthTextureView"]),iv(e,t)}var lv={newInstance:gt.newInstance(sv,"vtkWebGPUOrderIndependentTranslucentPass"),extend:sv};const uv="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Volume::TraverseDec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\nfn getTextureValue(vTex: texture_3d, tpos: vec4) -> f32\n{\n // todo multicomponent support\n return textureSampleLevel(vTex, clampSampler, tpos.xyz, 0.0).r;\n}\n\nfn getGradient(vTex: texture_3d, tpos: vec4, vNum: i32, scalar: f32) -> vec4\n{\n var result: vec4;\n\n var tstep: vec4 = volumeSSBO.values[vNum].tstep;\n result.x = getTextureValue(vTex, tpos + vec4(tstep.x, 0.0, 0.0, 1.0)) - scalar;\n result.y = getTextureValue(vTex, tpos + vec4(0.0, tstep.y, 0.0, 1.0)) - scalar;\n result.z = getTextureValue(vTex, tpos + vec4(0.0, 0.0, tstep.z, 1.0)) - scalar;\n result.w = 0.0;\n\n // divide by spacing as that is our delta\n result = result / volumeSSBO.values[vNum].spacing;\n // now we have a gradient in unit tcoords\n\n var grad: f32 = length(result.xyz);\n if (grad > 0.0)\n {\n // rotate to View Coords, needed for lighting and shading\n var nMat: mat4x4 = rendererUBO.SCVCMatrix * volumeSSBO.values[vNum].planeNormals;\n result = nMat * result;\n result = result / length(result);\n }\n\n // store gradient magnitude in .w\n result.w = grad;\n\n return result;\n}\n\nfn processVolume(vTex: texture_3d, vNum: i32, cNum: i32, posSC: vec4, tfunRows: f32) -> vec4\n{\n var outColor: vec4 = vec4(0.0, 0.0, 0.0, 0.0);\n\n // convert to tcoords and reject if outside the volume\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*posSC;\n if (tpos.x < 0.0 || tpos.y < 0.0 || tpos.z < 0.0 ||\n tpos.x > 1.0 || tpos.y > 1.0 || tpos.z > 1.0) { return outColor; }\n\n var scalar: f32 = getTextureValue(vTex, tpos);\n\n var coord: vec2 =\n vec2(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n (0.5 + 2.0 * f32(vNum)) / tfunRows);\n var color: vec4 = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n\n var gofactor: f32 = 1.0;\n var normal: vec4 = vec4(0.0,0.0,0.0,0.0);\n if (componentSSBO.values[cNum].gomin < 1.0 || volumeSSBO.values[vNum].shade[0] > 0.0)\n {\n normal = getGradient(vTex, tpos, vNum, scalar);\n if (componentSSBO.values[cNum].gomin < 1.0)\n {\n gofactor = clamp(normal.a*componentSSBO.values[cNum].goScale + componentSSBO.values[cNum].goShift,\n componentSSBO.values[cNum].gomin, componentSSBO.values[cNum].gomax);\n }\n }\n\n coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n\n if (volumeSSBO.values[vNum].shade[0] > 0.0)\n {\n color = color*abs(normal.z);\n }\n\n outColor = vec4(color.rgb, gofactor * opacity);\n\n return outColor;\n}\n\n// adjust the start and end point of a raycast such that it intersects the unit cube.\n// This function is used to take a raycast starting point and step vector\n// and numSteps and return the startijng and ending steps for intersecting the\n// unit cube. Recall for a 3D texture, the unit cube is the range of texture coordsinates\n// that have valid values. So this funtion can be used to take a ray in texture coordinates\n// and bound it to intersecting the texture.\n//\nfn adjustBounds(tpos: vec4, tstep: vec4, numSteps: f32) -> vec2\n{\n var result: vec2 = vec2(0.0, numSteps);\n var tpos2: vec4 = tpos + tstep*numSteps;\n\n // move tpos to the start of the volume\n var adjust: f32 =\n min(\n max(tpos.x/tstep.x, (tpos.x - 1.0)/tstep.x),\n min(\n max((tpos.y - 1.0)/tstep.y, tpos.y/tstep.y),\n max((tpos.z - 1.0)/tstep.z, tpos.z/tstep.z)));\n if (adjust < 0.0)\n {\n result.x = result.x - adjust;\n }\n\n // adjust length to the end\n adjust =\n max(\n min(tpos2.x/tstep.x, (tpos2.x - 1.0)/tstep.x),\n max(\n min((tpos2.y - 1.0)/tstep.y, tpos2.y/tstep.y),\n min((tpos2.z - 1.0)/tstep.z, tpos2.z/tstep.z)));\n if (adjust > 0.0)\n {\n result.y = result.y - adjust;\n }\n\n return result;\n}\n\nfn getSimpleColor(scalar: f32, vNum: i32, cNum: i32) -> vec4\n{\n // how many rows (tfuns) do we have in our tfunTexture\n var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n var coord: vec2 =\n vec2(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n (0.5 + 2.0 * f32(vNum)) / tfunRows);\n var color: vec4 = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n return vec4(color.rgb, opacity);\n}\n\nfn traverseMax(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var maxVal: f32 = -1.0e37;\n loop\n {\n var scalar: f32 = getTextureValue(vTex, tpos);\n if (scalar > maxVal)\n {\n maxVal = scalar;\n }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(maxVal, vNum, cNum);\n}\n\nfn traverseMin(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var minVal: f32 = 1.0e37;\n loop\n {\n var scalar: f32 = getTextureValue(vTex, tpos);\n if (scalar < minVal)\n {\n minVal = scalar;\n }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(minVal, vNum, cNum);\n}\n\nfn traverseAverage(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n let ipRange: vec4 = volumeSSBO.values[vNum].ipScalarRange;\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var avgVal: f32 = 0.0;\n var sampleCount: f32 = 0.0;\n loop\n {\n var sample: f32 = getTextureValue(vTex, tpos);\n // right now leave filtering off until WebGL changes get merged\n // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n // {\n avgVal = avgVal + sample;\n sampleCount = sampleCount + 1.0;\n // }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n if (sampleCount <= 0.0)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(avgVal/sampleCount, vNum, cNum);\n}\n\nfn traverseAdditive(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n let ipRange: vec4 = volumeSSBO.values[vNum].ipScalarRange;\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var sumVal: f32 = 0.0;\n loop\n {\n var sample: f32 = getTextureValue(vTex, tpos);\n // right now leave filtering off until WebGL changes get merged\n // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n // {\n sumVal = sumVal + sample;\n // }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(sumVal, vNum, cNum);\n}\n\nfn composite(rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4) -> vec4\n{\n // initial ray position is at the beginning\n var rayPosSC: vec4 = minPosSC;\n\n // how many rows (tfuns) do we have in our tfunTexture\n var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n var curDist: f32 = 0.0;\n var computedColor: vec4 = vec4(0.0, 0.0, 0.0, 0.0);\n var sampleColor: vec4;\n//VTK::Volume::TraverseCalls\n\n loop\n {\n // for each volume, sample and accumulate color\n//VTK::Volume::CompositeCalls\n\n // increment position\n curDist = curDist + mapperUBO.SampleDistance;\n rayPosSC = rayPosSC + rayStepSC;\n\n // check if we have reached a terminating condition\n if (curDist > rayLengthSC) { break; }\n if (computedColor.a > 0.98) { break; }\n }\n return computedColor;\n}\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var rayMax: f32 = textureSampleLevel(maxTexture, clampSampler, input.tcoordVS, 0.0).r;\n var rayMin: f32 = textureSampleLevel(minTexture, clampSampler, input.tcoordVS, 0.0).r;\n\n // discard empty rays\n if (rayMax <= rayMin) { discard; }\n else\n {\n // compute start and end ray positions in view coordinates\n var minPosSC: vec4 = rendererUBO.PCSCMatrix*vec4(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMax, 1.0);\n minPosSC = minPosSC * (1.0 / minPosSC.w);\n var maxPosSC: vec4 = rendererUBO.PCSCMatrix*vec4(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMin, 1.0);\n maxPosSC = maxPosSC * (1.0 / maxPosSC.w);\n\n var rayLengthSC: f32 = distance(minPosSC.xyz, maxPosSC.xyz);\n var rayStepSC: vec4 = (maxPosSC - minPosSC)*(mapperUBO.SampleDistance/rayLengthSC);\n rayStepSC.w = 0.0;\n\n var computedColor: vec4;\n\n//VTK::Volume::Loop\n\n//VTK::RenderEncoder::Impl\n }\n\n return output;\n}\n",cv=new Float64Array(16),dv=new Float64Array(16);function pv(e,t){t.classHierarchy.push("vtkWebGPUVolumePassFSQ"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position");let o=r.getCode();o=Fl.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4(vertexBC, 1.0);"]).result,r.setCode(o),t.getShaderDescription("fragment").addBuiltinInput("vec4","@builtin(position) fragPos")},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderVolume=(e,n,r)=>{const o=n.getShaderDescription("fragment");let i=o.getCode();const a=[],s=[];for(let e=0;e(\n sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n (1.0 - computedColor.a)*sampleColor.a + computedColor.a);")):(s.push(` sampleColor = traverseVals[${e}];`),s.push(" computedColor = vec4(\n sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n (1.0 - computedColor.a)*sampleColor.a + computedColor.a);"));i=Fl.substitute(i,"//VTK::Volume::CompositeCalls",a).result,i=Fl.substitute(i,"//VTK::Volume::TraverseCalls",s).result,i=Fl.substitute(i,"//VTK::Volume::TraverseDec",[`var traverseVals: array,${t.volumes.length}>;`]).result;let l=!1;for(let e=0;e{let r=e.getMTime();for(let e=0;e{let r=Math.max(e.getMTime(),t.WebGPURenderer.getStabilizedTime());for(let e=0;e"),t.SSBO.addEntry("planeNormals","mat4x4"),t.SSBO.addEntry("shade","vec4"),t.SSBO.addEntry("tstep","vec4"),t.SSBO.addEntry("spacing","vec4"),t.SSBO.addEntry("ipScalarRange","vec4"),t.SSBO.setAllInstancesFromArray("SCTCMatrix",i),t.SSBO.setAllInstancesFromArray("planeNormals",a),t.SSBO.setAllInstancesFromArray("shade",l),t.SSBO.setAllInstancesFromArray("tstep",s),t.SSBO.setAllInstancesFromArray("spacing",u),t.SSBO.setAllInstancesFromArray("ipScalarRange",c),t.SSBO.send(n),t.componentSSBO.clearData(),t.componentSSBO.setNumberOfInstances(t.numRows);const d=new Float64Array(t.numRows),p=new Float64Array(t.numRows),g=new Float64Array(t.numRows),v=new Float64Array(t.numRows),_=new Float64Array(t.numRows),T=new Float64Array(t.numRows),S=new Float64Array(t.numRows),w=new Float64Array(t.numRows);let C=0;for(let e=0;e{n();let r=t.volumes[0].getRenderable().getMapper().getSampleDistance();for(let e=0;e{t.pipelineHash="volfsq";for(let e=0;e{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r{const e=r();return e.push(t.componentSSBO),e.push(t.clampSampler),e}}const fv={volumes:null,rowLength:1024,lastVolumeLength:0};function hv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,fv,n),du.extend(e,t,n),t.fragmentShaderTemplate=uv,t.UBO=ac.newInstance({label:"mapperUBO"}),t.UBO.addEntry("SampleDistance","f32"),t.SSBO=ec.newInstance({label:"volumeSSBO"}),t.componentSSBO=ec.newInstance({label:"componentSSBO"}),t.lutBuildTime={},gt.obj(t.lutBuildTime,{mtime:0}),pv(e,t)}var mv={newInstance:gt.newInstance(hv,"vtkWebGPUVolumePassFSQ"),extend:hv};const{Representation:gv}=wu,{BufferUsage:vv,PrimitiveTypes:yv}=qu,bv=[[0,4,6],[0,6,2],[1,3,7],[1,7,5],[0,5,4],[0,1,5],[2,6,7],[2,7,3],[0,3,1],[0,2,3],[4,5,7],[4,7,6]],xv="\n//VTK::Renderer::Dec\n\n//VTK::Select::Dec\n\n//VTK::VolumePass::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output : fragmentOutput;\n\n //VTK::Select::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::VolumePass::Impl\n\n // use the maximum (closest) of the current value and the zbuffer\n // the blend func will then take the min to find the farthest stop value\n var stopval: f32 = max(input.fragPos.z, textureLoad(opaquePassDepthTexture, vec2(i32(input.fragPos.x), i32(input.fragPos.y)), 0));\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n";function _v(e,t){t.classHierarchy.push("vtkWebGPUVolumePass"),e.initialize=n=>{t._clearEncoder||e.createClearEncoder(n),t._mergeEncoder||e.createMergeEncoder(n),t._copyEncoder||e.createCopyEncoder(n),t._depthRangeEncoder||e.createDepthRangeEncoder(n),t.fullScreenQuad||(t.fullScreenQuad=mv.newInstance(),t.fullScreenQuad.setDevice(n.getDevice()),t.fullScreenQuad.setTextureViews([...t._depthRangeEncoder.getColorTextureViews()])),t._volumeCopyQuad||(t._volumeCopyQuad=du.newInstance(),t._volumeCopyQuad.setPipelineHash("volpassfsq"),t._volumeCopyQuad.setDevice(n.getDevice()),t._volumeCopyQuad.setFragmentShaderTemplate("\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = textureSample(volumePassColorTexture,\n volumePassColorTextureSampler, mapperUBO.tscale*input.tcoordVS);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n"),t._copyUBO=ac.newInstance({label:"mapperUBO"}),t._copyUBO.addEntry("tscale","vec2"),t._volumeCopyQuad.setUBO(t._copyUBO),t._volumeCopyQuad.setTextureViews([t._colorTextureView]))},e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r,e.initialize(r),e.computeTiming(r),e.renderDepthBounds(n,r),t._firstGroup=!0;const o=r.getDevice(),i=o.getHandle().limits.maxSampledTexturesPerShaderStage-4;if(t.volumes.length>i){const o=n.getRenderable().getActiveCamera().getPosition(),a=[];for(let e=0;ea[t]-a[e]));let l=[],u=s.length%i;for(let o=0;o=u&&(e.rayCastPass(r,n,l),l=[],u=i,t._firstGroup=!1)}else e.rayCastPass(r,n,t.volumes);if(t._volumeCopyQuad.setWebGPURenderer(n),t._useSmallViewport){const e=t._colorTextureView.getTexture().getWidth(),n=t._colorTextureView.getTexture().getHeight();t._copyUBO.setArray("tscale",[t._smallViewportWidth/e,t._smallViewportHeight/n])}else t._copyUBO.setArray("tscale",[1,1]);t._copyUBO.sendIfNeeded(o),t._copyEncoder.setColorTextureView(0,t.colorTextureView),t._copyEncoder.attachTextureViews(),t._copyEncoder.begin(r.getCommandEncoder()),n.scissorAndViewport(t._copyEncoder),t._volumeCopyQuad.prepareAndDraw(t._copyEncoder),t._copyEncoder.end()},e.delete=gt.chain((()=>{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.computeTiming=e=>{const n=e.getRenderable().getInteractor();if(null==t._lastScale){const e=t.volumes[0].getRenderable().getMapper();t._lastScale=e.getInitialInteractionScale()||1}t._useSmallViewport=!1,n.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._colorTexture.resize(e.getCanvas().width,e.getCanvas().height),t._animationRateSubscription||(t._animationRateSubscription=n.onAnimationFrameRateUpdate((()=>{const e=t.volumes[0].getRenderable().getMapper();if(e.getAutoAdjustSampleDistances()){const e=n.getRecentAnimationFrameRate(),r=t._lastScale*n.getDesiredUpdateRate()/e;t._lastScale=r,t._lastScale>400&&(t._lastScale=400)}else t._lastScale=e.getImageSampleDistance()*e.getImageSampleDistance();t._lastScale<1.5&&(t._lastScale=1.5)})))},e.rayCastPass=(e,n,r)=>{const o=t._firstGroup?t._clearEncoder:t._mergeEncoder;o.attachTextureViews(),o.begin(e.getCommandEncoder());let i=t._colorTextureView.getTexture().getWidth(),a=t._colorTextureView.getTexture().getHeight();if(t._useSmallViewport){const n=e.getCanvas(),r=1/Math.sqrt(t._lastScale);t._smallViewportWidth=Math.ceil(r*n.width),t._smallViewportHeight=Math.ceil(r*n.height),i=t._smallViewportWidth,a=t._smallViewportHeight}o.getHandle().setViewport(0,0,i,a,0,1),o.getHandle().setScissorRect(0,0,i,a),t.fullScreenQuad.setWebGPURenderer(n),t.fullScreenQuad.setVolumes(r),t.fullScreenQuad.prepareAndDraw(o),o.end()},e.renderDepthBounds=(n,r)=>{e.updateDepthPolyData(n);const o=t._boundsPoly,i=o.getPoints(),a=o.getPolys();let s={hash:`vp${a.getMTime()}`,usage:vv.Index,cells:a,numberOfPoints:i.getNumberOfPoints(),primitiveType:yv.Triangles,representation:gv.SURFACE};const l=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().setIndexBuffer(l),s={usage:vv.PointArray,format:"float32x4",hash:`vp${i.getMTime()}${a.getMTime()}`,dataArray:i,indexBuffer:l,packExtra:!0};const u=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().addBuffer(u,["vertexBC"]),t._mapper.setNumberOfVertices(u.getSizeInBytes()/u.getStrideInBytes()),e.drawDepthRange(n,r)},e.updateDepthPolyData=e=>{let n=!1;for(let e=0;e{t._depthRangeTexture.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeTexture2.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeEncoder.attachTextureViews(),e.setCurrentOperation("volumeDepthRangePass"),n.setRenderEncoder(t._depthRangeEncoder),n.volumeDepthRangePass(!0),t._mapper.setWebGPURenderer(n),t._mapper.prepareToDraw(t._depthRangeEncoder),t._mapper.registerDrawCallback(t._depthRangeEncoder),n.volumeDepthRangePass(!1)},e.createDepthRangeEncoder=e=>{const n=e.getDevice();t._depthRangeEncoder=Ug.newInstance({label:"VolumePass DepthRange"}),t._depthRangeEncoder.setPipelineHash("volr"),t._depthRangeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor1"),t.addOutput("vec4","outColor2");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor1 = vec4(input.fragPos.z, 0.0, 0.0, 0.0);","output.outColor2 = vec4(stopval, 0.0, 0.0, 0.0);"]).result,t.setCode(n)})),t._depthRangeEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:null,clearValue:[1,1,1,1],loadOp:"clear",storeOp:"store"}]}),t._depthRangeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"max"},alpha:{srcfactor:"one",dstFactor:"one",operation:"max"}}},{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"min"},alpha:{srcfactor:"one",dstFactor:"one",operation:"min"}}}]}}),t._depthRangeTexture=ev.newInstance({label:"volumePassMaxDepth"}),t._depthRangeTexture.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const r=t._depthRangeTexture.createView("maxTexture");t._depthRangeEncoder.setColorTextureView(0,r),t._depthRangeTexture2=ev.newInstance({label:"volumePassDepthMin"}),t._depthRangeTexture2.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const o=t._depthRangeTexture2.createView("minTexture");t._depthRangeEncoder.setColorTextureView(1,o),t._mapper.setDevice(e.getDevice()),t._mapper.setTextureViews([t.depthTextureView])},e.createClearEncoder=e=>{t._colorTexture=ev.newInstance({label:"volumePassColor"}),t._colorTexture.create(e.getDevice(),{width:e.getCanvas().width,height:e.getCanvas().height,format:"bgra8unorm",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC}),t._colorTextureView=t._colorTexture.createView("volumePassColorTexture"),t._colorTextureView.addSampler(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._clearEncoder=Ug.newInstance({label:"VolumePass Clear"}),t._clearEncoder.setColorTextureView(0,t._colorTextureView),t._clearEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"}]}),t._clearEncoder.setPipelineHash("volpf"),t._clearEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createCopyEncoder=e=>{t._copyEncoder=Ug.newInstance({label:"volumePassCopy"}),t._copyEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._copyEncoder.setPipelineHash("volcopypf"),t._copyEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createMergeEncoder=e=>{t._mergeEncoder=Ug.newInstance({label:"volumePassMerge"}),t._mergeEncoder.setColorTextureView(0,t._colorTextureView),t._mergeEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._mergeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t._mergeEncoder.setPipelineHash("volpf"),t._mergeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.setVolumes=n=>{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Tv,n),Cm.extend(e,t,n),t._mapper=su.newInstance(),t._mapper.setFragmentShaderTemplate(xv),t._mapper.getShaderReplacements().set("replaceShaderVolumePass",((e,t,n)=>{t.getShaderDescription("fragment").addBuiltinInput("vec4","@builtin(position) fragPos")})),t._boundsPoly=ji.newInstance(),t._lastMTimes=[],gt.setGet(e,t,["colorTextureView","depthTextureView"]),_v(e,t)}var wv={newInstance:gt.newInstance(Sv,"vtkWebGPUVolumePass"),extend:Sv};function Cv(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e),t.opaquePass||(t.opaquePass=ov.newInstance());const o=n.getRenderable().getNumberOfLayers(),i=n.getChildren();for(let r=0;r0&&(t.translucentPass||(t.translucentPass=lv.newInstance()),t.translucentPass.setColorTextureView(t.opaquePass.getColorTextureView()),t.translucentPass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.translucentPass.traverse(a,n)),t.volumes.length>0&&(t.volumePass||(t.volumePass=wv.newInstance()),t.volumePass.setColorTextureView(t.opaquePass.getColorTextureView()),t.volumePass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.volumePass.setVolumes(t.volumes),t.volumePass.traverse(a,n)),e.finalPass(n,a))}},e.finalPass=(n,r)=>{t._finalBlitEncoder||e.createFinalBlitEncoder(n),t._finalBlitOutputTextureView.createFromTextureHandle(n.getCurrentTexture(),{depth:1,format:n.getPresentationFormat()}),t._finalBlitEncoder.attachTextureViews(),t._finalBlitEncoder.begin(n.getCommandEncoder()),r.scissorAndViewport(t._finalBlitEncoder),t._fullScreenQuad.prepareAndDraw(t._finalBlitEncoder),t._finalBlitEncoder.end()},e.createFinalBlitEncoder=e=>{t._finalBlitEncoder=Ug.newInstance({label:"forwardPassBlit"}),t._finalBlitEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._finalBlitEncoder.setPipelineHash("fpf"),t._finalBlitEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:e.getPresentationFormat(),blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}}),t._fsqSampler=vc.newInstance({label:"finalPassSampler"}),t._fsqSampler.create(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._fullScreenQuad=du.newInstance(),t._fullScreenQuad.setDevice(e.getDevice()),t._fullScreenQuad.setPipelineHash("fpfsq"),t._fullScreenQuad.setTextureViews([t.opaquePass.getColorTextureView()]),t._fullScreenQuad.setAdditionalBindables([t._fsqSampler]),t._fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = clamp(textureSampleLevel(opaquePassColorTexture, finalPassSampler, input.tcoordVS, 0),vec4(0.0),vec4(1.0));\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n"),t._finalBlitOutputTextureView=Wg.newInstance(),t._finalBlitEncoder.setColorTextureView(0,t._finalBlitOutputTextureView)},e.incrementOpaqueActorCount=()=>t.opaqueActorCount++,e.incrementTranslucentActorCount=()=>t.translucentActorCount++,e.addVolume=e=>{t.volumes.push(e)}}const Av={opaqueActorCount:0,translucentActorCount:0,volumes:null,opaqueRenderEncoder:null,translucentPass:null,volumePass:null};function Ev(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Av,n),Cm.extend(e,t,n),gt.setGet(e,t,["opaquePass","translucentPass","volumePass"]),Cv(e,t)}var Dv={newInstance:gt.newInstance(Ev,"vtkForwardPass"),extend:Ev};const{VtkDataTypes:Iv}=Wr;function Ov(e,t){function n(e){if(e.imageData){e.dataArray=e.imageData.getPointData().getScalars(),e.time=e.dataArray.getMTime(),e.nativeArray=e.dataArray.getData();const t=e.imageData.getDimensions();switch(e.width=t[0],e.height=t[1],e.depth=t[2],e.dataArray.getNumberOfComponents()){case 1:e.format="r";break;case 2:e.format="rg";break;default:e.format="rgba"}switch(e.dataArray.getDataType()){case Iv.UNSIGNED_CHAR:e.format+="8unorm";break;case Iv.FLOAT:case Iv.UNSIGNED_INT:case Iv.INT:case Iv.DOUBLE:case Iv.UNSIGNED_SHORT:case Iv.SHORT:default:e.format+="16float"}}e.image&&(e.width=e.image.width,e.height=e.image.height,e.depth=1,e.format="rgba8unorm"),e.jsImageData&&(e.width=e.jsImageData.width,e.height=e.jsImageData.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.nativeArray=e.jsImageData.data),e.canvas&&(e.width=e.canvas.width,e.height=e.canvas.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.usage=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.RENDER_ATTACHMENT)}function r(e){const n=ev.newInstance();return n.create(t.device,{width:e.width,height:e.height,depth:e.depth,format:e.format,usage:e.usage,mipLevel:e.mipLevel}),(e.nativeArray||e.image||e.canvas)&&n.writeImageData(e),n}t.classHierarchy.push("vtkWebGPUTextureManager"),e.getTexture=e=>e.hash?t.device.getCachedObject(e.hash,r,e):r(e),e.getTextureForImageData=e=>{const r={time:e.getMTime()};return r.imageData=e,n(r),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)},e.getTextureForVTKTexture=e=>{const r={time:e.getMTime()};return e.getInputData()?r.imageData=e.getInputData():e.getImage()?r.image=e.getImage():e.getJsImageData()?r.jsImageData=e.getJsImageData():e.getCanvas()&&(r.canvas=e.getCanvas()),n(r),r.mipLevel=e.getMipLevel(),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)}}const Pv={handle:null,device:null};function Nv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Pv,n),gt.obj(e,t),gt.setGet(e,t,["device"]),Ov(e,t)}var Mv={newInstance:gt.newInstance(Nv),extend:Nv};class Rv extends Map{constructor(){super(),this.registry=new FinalizationRegistry((e=>{const t=super.get(e);t&&t.deref&&void 0===t.deref()&&super.delete(e)}))}getValue(e){const t=super.get(e);if(t){const n=t.deref();if(void 0!==n)return n;super.delete(e)}}setValue(e,t){let n;return t&&"object"==typeof t&&(n=new WeakRef(t),this.registry.register(t,e),super.set(e,n)),n}}function Fv(e,t){t.classHierarchy.push("vtkWebGPUDevice"),e.initialize=e=>{t.handle=e},e.createCommandEncoder=()=>t.handle.createCommandEncoder(),e.submitCommandEncoder=e=>{t.handle.queue.submit([e.finish()])},e.getShaderModule=e=>t.shaderCache.getShaderModule(e),e.getBindGroupLayout=e=>{if(!e.entries)return null;for(let t=0;t{for(let n=0;ne in t.pipelines?t.pipelines[e]:null,e.createPipeline=(n,r)=>{r.initialize(e,n),t.pipelines[n]=r},e.onSubmittedWorkDone=()=>t.handle.queue.onSubmittedWorkDone(),e.hasCachedObject=e=>t.objectCache.getValue(e),e.getCachedObject=function(e,n){if(!e)return vtkErrorMacro("attempt to cache an object without a hash"),null;const r=t.objectCache.getValue(e);if(r)return r;for(var o=arguments.length,i=new Array(o>2?o-2:0),a=2;a2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,kv,n),je(e,t),$e(e,t,["handle"]),He(e,t,["bufferManager","shaderCache","textureManager"]),t.objectCache=new Rv,t.shaderCache=Fl.newInstance(),t.shaderCache.setDevice(e),t.bindGroupLayouts=[],t.bufferManager=qu.newInstance(),t.bufferManager.setDevice(e),t.textureManager=Mv.newInstance(),t.textureManager.setDevice(e),t.pipelines={},Fv(e,t)}var Bv={newInstance:rt(Lv,"vtkWebGPUDevice"),extend:Lv};function Vv(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelectionPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=null,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getDevice();if(t.selectionRenderEncoder)t.colorTexture.resize(n.getCanvas().width,n.getCanvas().height),t.depthTexture.resizeToMatch(t.colorTexture);else{e.createRenderEncoder(),t.colorTexture=ev.newInstance({label:"hardwareSelectorColor"}),t.colorTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"rgba32uint",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const r=t.colorTexture.createView("hardwareSelectColorTexture");t.selectionRenderEncoder.setColorTextureView(0,r),t.depthTexture=ev.newInstance({label:"hardwareSelectorDepth"}),t.depthTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"depth32float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const i=t.depthTexture.createView("hardwareSelectDepthTexture");t.selectionRenderEncoder.setDepthTextureView(i)}t.selectionRenderEncoder.attachTextureViews(),r.setRenderEncoder(t.selectionRenderEncoder),e.setCurrentOperation("cameraPass"),r.traverse(e),e.setCurrentOperation("opaquePass"),r.traverse(e)},e.createRenderEncoder=()=>{t.selectionRenderEncoder=Ug.newInstance({label:"HardwareSelectionPass"}),t.selectionRenderEncoder.setPipelineHash("sel"),t.selectionRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(mapperUBO.PropID, compositeID, 0u, 0u);"]).result,t.setCode(n)})),t.selectionRenderEncoder.getDescription().colorAttachments[0].clearValue=[0,0,0,0],t.selectionRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba32uint",blend:void 0}]}})}}const Uv={selectionRenderEncoder:null,colorTexture:null,depthTexture:null};function Gv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Uv,n),Cm.extend(e,t,n),gt.get(e,t,["colorTexture","depthTexture"]),Vv(e,t)}var zv={newInstance:gt.newInstance(Gv,"vtkWebGPUHardwareSelectionPass"),extend:Gv};const{SelectionContent:jv,SelectionField:Wv}=Hm,{FieldAssociations:Hv}=di,{vtkErrorMacro:Xv}=gt;function Kv(e){return`${e.propID} ${e.compositeID}`}function qv(e,t,n,r){const o=4*((n.height-t-1)*n.colorBufferWidth+e)+r;return n.colorValues[o]}function $v(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]<0||t[0]>=e.width||t[1]<0||t[1]>=e.height)return null;const n=qv(t[0],t[1],e,0);if(n<=0)return null;const o={};o.propID=n;let i=qv(t[0],t[1],e,1);if((i<0||i>16777215)&&(i=0),o.compositeID=i,e.captureZValues){const n=(e.height-t[1]-1)*e.zbufferBufferWidth+t[0];o.zValue=e.depthValues[n],o.zValue=e.webGPURenderer.convertToOpenGLDepth(o.zValue),o.displayPosition=t}return o}const i=[t[0],t[1]],a=[0,0];let s=$v(e,t,0,r);if(s)return s;for(let t=1;tt?i[1]-t:0;n<=i[1]+t;++n){if(a[1]=n,i[0]>=t&&(a[0]=i[0]-t,s=$v(e,a,0,r),s))return s;if(a[0]=i[0]+t,s=$v(e,a,0,r),s)return s}for(let n=i[0]>=t?i[0]-(t-1):0;n<=i[0]+(t-1);++n){if(a[0]=n,i[1]>=t&&(a[1]=i[1]-t,s=$v(e,a,0,r),s))return s;if(a[1]=i[1]+t,s=$v(e,a,0,r),s)return s}}return r[0]=t[0],r[1]=t[1],null}function Yv(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelector"),e.endSelection=()=>{t.WebGPURenderer.setSelector(null)},e.getSourceDataAsync=async e=>{if(!e||!t._WebGPURenderWindow)return Xv("Renderer and view must be set before calling Select."),!1;t._WebGPURenderWindow.getRenderable().preRender(),t._WebGPURenderWindow.getInitialized()||(t._WebGPURenderWindow.initialize(),await new Promise((e=>{t._WebGPURenderWindow.onInitialized(e)})));const n=t._WebGPURenderWindow.getViewNodeFor(e);if(!n)return!1;const r=n.getSuppressClear();n.setSuppressClear(!0),t._selectionPass.traverse(t._WebGPURenderWindow,n),n.setSuppressClear(r);const o=t._WebGPURenderWindow.getDevice(),i=t._selectionPass.getColorTexture(),a=t._selectionPass.getDepthTexture(),s={area:[0,0,i.getWidth()-1,i.getHeight()-1],captureZValues:t.captureZValues,fieldAssociation:t.fieldAssociation,renderer:e,webGPURenderer:n,webGPURenderWindow:t._WebGPURenderWindow,width:i.getWidth(),height:i.getHeight()};s.colorBufferWidth=16*Math.floor((s.width+15)/16),s.colorBufferSizeInBytes=s.colorBufferWidth*s.height*4*4;const l=vu.newInstance({label:"hardwareSelectColorBuffer"});l.setDevice(o),l.create(s.colorBufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST);const u=t._WebGPURenderWindow.getCommandEncoder();let c;u.copyTextureToBuffer({texture:i.getHandle()},{buffer:l.getHandle(),bytesPerRow:16*s.colorBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1}),t.captureZValues&&(s.zbufferBufferWidth=64*Math.floor((s.width+63)/64),c=vu.newInstance({label:"hardwareSelectDepthBuffer"}),c.setDevice(o),s.zbufferSizeInBytes=s.height*s.zbufferBufferWidth*4,c.create(s.zbufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST),u.copyTextureToBuffer({texture:a.getHandle(),aspect:"depth-only"},{buffer:c.getHandle(),bytesPerRow:4*s.zbufferBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1})),o.submitCommandEncoder(u);const d=l.mapAsync(GPUMapMode.READ);if(t.captureZValues){const e=c.mapAsync(GPUMapMode.READ);await Promise.all([d,e]),s.depthValues=new Float32Array(c.getMappedRange().slice()),c.unmap()}else await d;return s.colorValues=new Uint32Array(l.getMappedRange().slice()),l.unmap(),s.generateSelection=(e,t,n,r)=>function(e,t,n,r,o){const i=Math.floor(t),a=Math.floor(n),s=Math.floor(r),l=Math.floor(o),u=new Map,c=[0,0];for(let t=a;t<=l;t++)for(let n=i;n<=s;n++){const r=$v(e,[n,t],0,c);if(r){const t=Kv(r);if(u.has(t)){const n=u.get(t);n.pixelCount++,e.captureZValues&&r.zValue{const a=Hm.newInstance();switch(a.setContentType(jv.INDICES),e){case Hv.FIELD_ASSOCIATION_CELLS:a.setFieldType(Wv.CELL);break;case Hv.FIELD_ASSOCIATION_POINTS:a.setFieldType(Wv.POINT);break;default:Xv("Unknown field association")}a.getProperties().propID=t.info.propID;const s=n.webGPURenderer.getPropFromID(t.info.propID);a.getProperties().prop=s.getRenderable(),a.getProperties().compositeID=t.info.compositeID,a.getProperties().pixelCount=t.pixelCount,n.captureZValues&&(a.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],a.getProperties().worldPosition=n.webGPURenderWindow.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,n.renderer)),a.setSelectionList(t.attributeIDs),r[o]=a,o++})),r}(e.fieldAssociation,u,e)}(s,e,t,n,r),s}}const Jv={};function Qv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Jv,n),Gm.extend(e,t,n),t._selectionPass=zv.newInstance(),gt.setGet(e,t,["_WebGPURenderWindow"]),gt.moveToProtected(e,t,["WebGPURenderWindow"]),Yv(e,t)}var Zv={newInstance:gt.newInstance(Qv,"vtkWebGPUHardwareSelector"),extend:Qv};const{vtkErrorMacro:ey}=gt,ty={position:"absolute",top:0,left:0,width:"100%",height:"100%"};function ny(e,t){t.classHierarchy.push("vtkWebGPURenderWindow"),e.getViewNodeFactory=()=>t.myFactory;const n=[0,0];e.onModified((function(){t.renderable&&(t.size[0]===n[0]&&t.size[1]===n[1]||(n[0]=t.size[0],n[1]=t.size[1],t.canvas.setAttribute("width",t.size[0]),t.canvas.setAttribute("height",t.size[1]),e.recreateSwapChain())),t.viewStream&&t.viewStream.setSize(t.size[0],t.size[1]),t.canvas.style.display=t.useOffScreen?"none":"block",t.el&&(t.el.style.cursor=t.cursorVisibility?t.cursor:"none"),t.containerSize=null})),e.recreateSwapChain=()=>{t.context&&(t.context.unconfigure(),t.presentationFormat=navigator.gpu.getPreferredCanvasFormat(t.adapter),t.context.configure({device:t.device.getHandle(),format:t.presentationFormat,alphaMode:"premultiplied",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_DST,width:t.size[0],height:t.size[1]}),t._configured=!0)},e.getCurrentTexture=()=>t.context.getCurrentTexture(),e.buildPass=n=>{if(n){if(!t.renderable)return;e.prepareNodes(),e.addMissingNodes(t.renderable.getRenderersByReference()),e.removeUnusedNodes(),e.initialize()}else t.initialized&&(t._configured||e.recreateSwapChain(),t.commandEncoder=t.device.createCommandEncoder())},e.initialize=()=>{if(!t.initializing){if(t.initializing=!0,!navigator.gpu)return void ey("WebGPU is not enabled.");e.create3DContextAsync().then((()=>{t.initialized=!0,t.deleted||e.invokeInitialized()}))}},e.setContainer=n=>{t.el&&t.el!==n&&(t.canvas.parentNode!==t.el&&ey("Error: canvas parent node does not match container"),t.el.removeChild(t.canvas),t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)),t.el!==n&&(t.el=n,t.el&&(t.el.appendChild(t.canvas),t.useBackgroundImage&&t.el.appendChild(t.bgImage)),e.modified())},e.getContainer=()=>t.el,e.getContainerSize=()=>{if(!t.containerSize&&t.el){const{width:e,height:n}=t.el.getBoundingClientRect();t.containerSize=[e,n]}return t.containerSize||t.size},e.getFramebufferSize=()=>t.size,e.create3DContextAsync=async()=>{t.adapter=await navigator.gpu.requestAdapter({powerPreference:"high-performance"}),t.deleted||(t.device=Bv.newInstance(),t.device.initialize(await t.adapter.requestDevice()),t.deleted?t.device=null:t.context=t.canvas.getContext("webgpu"))},e.releaseGraphicsResources=()=>{const n=Cm.newInstance();n.setCurrentOperation("Release"),n.traverse(e,null),t.adapter=null,t.device=null,t.context=null,t.initialized=!1,t.initializing=!1},e.setBackgroundImage=e=>{t.bgImage.src=e.src},e.setUseBackgroundImage=e=>{t.useBackgroundImage=e,t.useBackgroundImage&&!t.el.contains(t.bgImage)?t.el.appendChild(t.bgImage):!t.useBackgroundImage&&t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)},e.captureNextImage=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"image/png",{resetCamera:r=!1,size:o=null,scale:i=1}=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(t.deleted)return null;t.imageFormat=n;const a=t.notifyStartCaptureImage;return t.notifyStartCaptureImage=!0,t._screenshot={size:o||1!==i?o||t.size.map((e=>e*i)):null},new Promise(((n,o)=>{const i=e.onImageReady((o=>{if(null===t._screenshot.size)t.notifyStartCaptureImage=a,i.unsubscribe(),t._screenshot.placeHolder&&(t.size=t._screenshot.originalSize,e.modified(),t._screenshot.cameras&&t._screenshot.cameras.forEach((e=>{let{restoreParamsFn:t,arg:n}=e;return t(n)})),e.traverseAllPasses(),t.el.removeChild(t._screenshot.placeHolder),t._screenshot.placeHolder.remove(),t._screenshot=null),n(o);else{const n=document.createElement("img");if(n.style=ty,n.src=o,t._screenshot.placeHolder=t.el.appendChild(n),t.canvas.style.display="none",t._screenshot.originalSize=t.size,t.size=t._screenshot.size,t._screenshot.size=null,e.modified(),r){const e=!0!==r;t._screenshot.cameras=t.renderable.getRenderers().map((t=>{const n=t.getActiveCamera(),o=n.get("focalPoint","position","parallelScale");return{resetCameraArgs:e?{renderer:t}:void 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n=document.querySelector("body");t.rootContainer||(t.rootContainer=n),t.container||(t.container=document.createElement("div"),ly(t.container,t.containerStyle||ay),t.rootContainer.appendChild(t.container)),t.rootContainer===n&&(document.documentElement.style.height="100%",n.style.height="100%",n.style.padding="0",n.style.margin="0"),t.renderWindow=Rf.newInstance(),t.renderer=Ef.newInstance(),t.renderWindow.addRenderer(t.renderer),t.apiSpecificRenderWindow=t.renderWindow.newAPISpecificView(iy.viewAPI??t.defaultViewAPI),t.apiSpecificRenderWindow.setContainer(t.container),t.renderWindow.addView(t.apiSpecificRenderWindow),t.interactor=Qf.newInstance(),t.interactor.setInteractorStyle(gh.newInstance()),t.interactor.setView(t.apiSpecificRenderWindow),t.interactor.initialize(),t.interactor.bindEvents(t.container),e.setBackground=t.renderer.setBackground,e.removeController=()=>{const 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r=n(2);t.ArrayExpression=function(e){this.type=r.Syntax.ArrayExpression,this.elements=e};t.ArrayPattern=function(e){this.type=r.Syntax.ArrayPattern,this.elements=e};t.ArrowFunctionExpression=function(e,t,n){this.type=r.Syntax.ArrowFunctionExpression,this.id=null,this.params=e,this.body=t,this.generator=!1,this.expression=n,this.async=!1};t.AssignmentExpression=function(e,t,n){this.type=r.Syntax.AssignmentExpression,this.operator=e,this.left=t,this.right=n};t.AssignmentPattern=function(e,t){this.type=r.Syntax.AssignmentPattern,this.left=e,this.right=t};t.AsyncArrowFunctionExpression=function(e,t,n){this.type=r.Syntax.ArrowFunctionExpression,this.id=null,this.params=e,this.body=t,this.generator=!1,this.expression=n,this.async=!0};t.AsyncFunctionDeclaration=function(e,t,n){this.type=r.Syntax.FunctionDeclaration,this.id=e,this.params=t,this.body=n,this.generator=!1,this.expression=!1,this.async=!0};t.AsyncFunctionExpression=function(e,t,n){this.type=r.Syntax.FunctionExpression,this.id=e,this.params=t,this.body=n,this.generator=!1,this.expression=!1,this.async=!0};t.AwaitExpression=function(e){this.type=r.Syntax.AwaitExpression,this.argument=e};t.BinaryExpression=function(e,t,n){var o="||"===e||"&&"===e;this.type=o?r.Syntax.LogicalExpression:r.Syntax.BinaryExpression,this.operator=e,this.left=t,this.right=n};t.BlockStatement=function(e){this.type=r.Syntax.BlockStatement,this.body=e};t.BreakStatement=function(e){this.type=r.Syntax.BreakStatement,this.label=e};t.CallExpression=function(e,t){this.type=r.Syntax.CallExpression,this.callee=e,this.arguments=t};t.CatchClause=function(e,t){this.type=r.Syntax.CatchClause,this.param=e,this.body=t};t.ClassBody=function(e){this.type=r.Syntax.ClassBody,this.body=e};t.ClassDeclaration=function(e,t,n){this.type=r.Syntax.ClassDeclaration,this.id=e,this.superClass=t,this.body=n};t.ClassExpression=function(e,t,n){this.type=r.Syntax.ClassExpression,this.id=e,this.superClass=t,this.body=n};t.ComputedMemberExpression=function(e,t){this.type=r.Syntax.MemberExpression,this.computed=!0,this.object=e,this.property=t};t.ConditionalExpression=function(e,t,n){this.type=r.Syntax.ConditionalExpression,this.test=e,this.consequent=t,this.alternate=n};t.ContinueStatement=function(e){this.type=r.Syntax.ContinueStatement,this.label=e};t.DebuggerStatement=function(){this.type=r.Syntax.DebuggerStatement};t.Directive=function(e,t){this.type=r.Syntax.ExpressionStatement,this.expression=e,this.directive=t};t.DoWhileStatement=function(e,t){this.type=r.Syntax.DoWhileStatement,this.body=e,this.test=t};t.EmptyStatement=function(){this.type=r.Syntax.EmptyStatement};t.ExportAllDeclaration=function(e){this.type=r.Syntax.ExportAllDeclaration,this.source=e};t.ExportDefaultDeclaration=function(e){this.type=r.Syntax.ExportDefaultDeclaration,this.declaration=e};t.ExportNamedDeclaration=function(e,t,n){this.type=r.Syntax.ExportNamedDeclaration,this.declaration=e,this.specifiers=t,this.source=n};t.ExportSpecifier=function(e,t){this.type=r.Syntax.ExportSpecifier,this.exported=t,this.local=e};t.ExpressionStatement=function(e){this.type=r.Syntax.ExpressionStatement,this.expression=e};t.ForInStatement=function(e,t,n){this.type=r.Syntax.ForInStatement,this.left=e,this.right=t,this.body=n,this.each=!1};t.ForOfStatement=function(e,t,n){this.type=r.Syntax.ForOfStatement,this.left=e,this.right=t,this.body=n};t.ForStatement=function(e,t,n,o){this.type=r.Syntax.ForStatement,this.init=e,this.test=t,this.update=n,this.body=o};t.FunctionDeclaration=function(e,t,n,o){this.type=r.Syntax.FunctionDeclaration,this.id=e,this.params=t,this.body=n,this.generator=o,this.expression=!1,this.async=!1};t.FunctionExpression=function(e,t,n,o){this.type=r.Syntax.FunctionExpression,this.id=e,this.params=t,this.body=n,this.generator=o,this.expression=!1,this.async=!1};t.Identifier=function(e){this.type=r.Syntax.Identifier,this.name=e};t.IfStatement=function(e,t,n){this.type=r.Syntax.IfStatement,this.test=e,this.consequent=t,this.alternate=n};t.ImportDeclaration=function(e,t){this.type=r.Syntax.ImportDeclaration,this.specifiers=e,this.source=t};t.ImportDefaultSpecifier=function(e){this.type=r.Syntax.ImportDefaultSpecifier,this.local=e};t.ImportNamespaceSpecifier=function(e){this.type=r.Syntax.ImportNamespaceSpecifier,this.local=e};t.ImportSpecifier=function(e,t){this.type=r.Syntax.ImportSpecifier,this.local=e,this.imported=t};t.LabeledStatement=function(e,t){this.type=r.Syntax.LabeledStatement,this.label=e,this.body=t};t.Literal=function(e,t){this.type=r.Syntax.Literal,this.value=e,this.raw=t};t.MetaProperty=function(e,t){this.type=r.Syntax.MetaProperty,this.meta=e,this.property=t};t.MethodDefinition=function(e,t,n,o,i){this.type=r.Syntax.MethodDefinition,this.key=e,this.computed=t,this.value=n,this.kind=o,this.static=i};t.Module=function(e){this.type=r.Syntax.Program,this.body=e,this.sourceType="module"};t.NewExpression=function(e,t){this.type=r.Syntax.NewExpression,this.callee=e,this.arguments=t};t.ObjectExpression=function(e){this.type=r.Syntax.ObjectExpression,this.properties=e};t.ObjectPattern=function(e){this.type=r.Syntax.ObjectPattern,this.properties=e};t.Property=function(e,t,n,o,i,a){this.type=r.Syntax.Property,this.key=t,this.computed=n,this.value=o,this.kind=e,this.method=i,this.shorthand=a};t.RegexLiteral=function(e,t,n,o){this.type=r.Syntax.Literal,this.value=e,this.raw=t,this.regex={pattern:n,flags:o}};t.RestElement=function(e){this.type=r.Syntax.RestElement,this.argument=e};t.ReturnStatement=function(e){this.type=r.Syntax.ReturnStatement,this.argument=e};t.Script=function(e){this.type=r.Syntax.Program,this.body=e,this.sourceType="script"};t.SequenceExpression=function(e){this.type=r.Syntax.SequenceExpression,this.expressions=e};t.SpreadElement=function(e){this.type=r.Syntax.SpreadElement,this.argument=e};t.StaticMemberExpression=function(e,t){this.type=r.Syntax.MemberExpression,this.computed=!1,this.object=e,this.property=t};t.Super=function(){this.type=r.Syntax.Super};t.SwitchCase=function(e,t){this.type=r.Syntax.SwitchCase,this.test=e,this.consequent=t};t.SwitchStatement=function(e,t){this.type=r.Syntax.SwitchStatement,this.discriminant=e,this.cases=t};t.TaggedTemplateExpression=function(e,t){this.type=r.Syntax.TaggedTemplateExpression,this.tag=e,this.quasi=t};t.TemplateElement=function(e,t){this.type=r.Syntax.TemplateElement,this.value=e,this.tail=t};t.TemplateLiteral=function(e,t){this.type=r.Syntax.TemplateLiteral,this.quasis=e,this.expressions=t};t.ThisExpression=function(){this.type=r.Syntax.ThisExpression};t.ThrowStatement=function(e){this.type=r.Syntax.ThrowStatement,this.argument=e};t.TryStatement=function(e,t,n){this.type=r.Syntax.TryStatement,this.block=e,this.handler=t,this.finalizer=n};t.UnaryExpression=function(e,t){this.type=r.Syntax.UnaryExpression,this.operator=e,this.argument=t,this.prefix=!0};t.UpdateExpression=function(e,t,n){this.type=r.Syntax.UpdateExpression,this.operator=e,this.argument=t,this.prefix=n};t.VariableDeclaration=function(e,t){this.type=r.Syntax.VariableDeclaration,this.declarations=e,this.kind=t};t.VariableDeclarator=function(e,t){this.type=r.Syntax.VariableDeclarator,this.id=e,this.init=t};t.WhileStatement=function(e,t){this.type=r.Syntax.WhileStatement,this.test=e,this.body=t};t.WithStatement=function(e,t){this.type=r.Syntax.WithStatement,this.object=e,this.body=t};t.YieldExpression=function(e,t){this.type=r.Syntax.YieldExpression,this.argument=e,this.delegate=t}},function(e,t,n){"use 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s.Scanner(e,this.errorHandler),this.scanner.trackComment=this.config.comment,this.operatorPrecedence={")":0,";":0,",":0,"=":0,"]":0,"||":1,"&&":2,"|":3,"^":4,"&":5,"==":6,"!=":6,"===":6,"!==":6,"<":7,">":7,"<=":7,">=":7,"<<":8,">>":8,">>>":8,"+":9,"-":9,"*":11,"/":11,"%":11},this.lookahead={type:2,value:"",lineNumber:this.scanner.lineNumber,lineStart:0,start:0,end:0},this.hasLineTerminator=!1,this.context={isModule:!1,await:!1,allowIn:!0,allowStrictDirective:!0,allowYield:!0,firstCoverInitializedNameError:null,isAssignmentTarget:!1,isBindingElement:!1,inFunctionBody:!1,inIteration:!1,inSwitch:!1,labelSet:{},strict:!1},this.tokens=[],this.startMarker={index:0,line:this.scanner.lineNumber,column:0},this.lastMarker={index:0,line:this.scanner.lineNumber,column:0},this.nextToken(),this.lastMarker={index:this.scanner.index,line:this.scanner.lineNumber,column:this.scanner.index-this.scanner.lineStart}}return e.prototype.throwError=function(e){for(var t=[],n=1;n0&&this.delegate)for(var t=0;t>="===e||">>>="===e||"&="===e||"^="===e||"|="===e},e.prototype.isolateCoverGrammar=function(e){var t=this.context.isBindingElement,n=this.context.isAssignmentTarget,r=this.context.firstCoverInitializedNameError;this.context.isBindingElement=!0,this.context.isAssignmentTarget=!0,this.context.firstCoverInitializedNameError=null;var o=e.call(this);return null!==this.context.firstCoverInitializedNameError&&this.throwUnexpectedToken(this.context.firstCoverInitializedNameError),this.context.isBindingElement=t,this.context.isAssignmentTarget=n,this.context.firstCoverInitializedNameError=r,o},e.prototype.inheritCoverGrammar=function(e){var t=this.context.isBindingElement,n=this.context.isAssignmentTarget,r=this.context.firstCoverInitializedNameError;this.context.isBindingElement=!0,this.context.isAssignmentTarget=!0,this.context.firstCoverInitializedNameError=null;var o=e.call(this);return this.context.isBindingElement=this.context.isBindingElement&&t,this.context.isAssignmentTarget=this.context.isAssignmentTarget&&n,this.context.firstCoverInitializedNameError=r||this.context.firstCoverInitializedNameError,o},e.prototype.consumeSemicolon=function(){this.match(";")?this.nextToken():this.hasLineTerminator||(2===this.lookahead.type||this.match("}")||this.throwUnexpectedToken(this.lookahead),this.lastMarker.index=this.startMarker.index,this.lastMarker.line=this.startMarker.line,this.lastMarker.column=this.startMarker.column)},e.prototype.parsePrimaryExpression=function(){var e,t,n,r=this.createNode();switch(this.lookahead.type){case 3:(this.context.isModule||this.context.await)&&"await"===this.lookahead.value&&this.tolerateUnexpectedToken(this.lookahead),e=this.matchAsyncFunction()?this.parseFunctionExpression():this.finalize(r,new a.Identifier(this.nextToken().value));break;case 6:case 8:this.context.strict&&this.lookahead.octal&&this.tolerateUnexpectedToken(this.lookahead,i.Messages.StrictOctalLiteral),this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,t=this.nextToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.Literal(t.value,n));break;case 1:this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,t=this.nextToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.Literal("true"===t.value,n));break;case 5:this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,t=this.nextToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.Literal(null,n));break;case 10:e=this.parseTemplateLiteral();break;case 7:switch(this.lookahead.value){case"(":this.context.isBindingElement=!1,e=this.inheritCoverGrammar(this.parseGroupExpression);break;case"[":e=this.inheritCoverGrammar(this.parseArrayInitializer);break;case"{":e=this.inheritCoverGrammar(this.parseObjectInitializer);break;case"/":case"/=":this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,this.scanner.index=this.startMarker.index,t=this.nextRegexToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.RegexLiteral(t.regex,n,t.pattern,t.flags));break;default:e=this.throwUnexpectedToken(this.nextToken())}break;case 4:!this.context.strict&&this.context.allowYield&&this.matchKeyword("yield")?e=this.parseIdentifierName():!this.context.strict&&this.matchKeyword("let")?e=this.finalize(r,new a.Identifier(this.nextToken().value)):(this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,this.matchKeyword("function")?e=this.parseFunctionExpression():this.matchKeyword("this")?(this.nextToken(),e=this.finalize(r,new a.ThisExpression)):e=this.matchKeyword("class")?this.parseClassExpression():this.throwUnexpectedToken(this.nextToken()));break;default:e=this.throwUnexpectedToken(this.nextToken())}return e},e.prototype.parseSpreadElement=function(){var e=this.createNode();this.expect("...");var t=this.inheritCoverGrammar(this.parseAssignmentExpression);return this.finalize(e,new a.SpreadElement(t))},e.prototype.parseArrayInitializer=function(){var e=this.createNode(),t=[];for(this.expect("[");!this.match("]");)if(this.match(","))this.nextToken(),t.push(null);else if(this.match("...")){var n=this.parseSpreadElement();this.match("]")||(this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,this.expect(",")),t.push(n)}else t.push(this.inheritCoverGrammar(this.parseAssignmentExpression)),this.match("]")||this.expect(",");return this.expect("]"),this.finalize(e,new a.ArrayExpression(t))},e.prototype.parsePropertyMethod=function(e){this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1;var t=this.context.strict,n=this.context.allowStrictDirective;this.context.allowStrictDirective=e.simple;var r=this.isolateCoverGrammar(this.parseFunctionSourceElements);return this.context.strict&&e.firstRestricted&&this.tolerateUnexpectedToken(e.firstRestricted,e.message),this.context.strict&&e.stricted&&this.tolerateUnexpectedToken(e.stricted,e.message),this.context.strict=t,this.context.allowStrictDirective=n,r},e.prototype.parsePropertyMethodFunction=function(){var e=this.createNode(),t=this.context.allowYield;this.context.allowYield=!0;var n=this.parseFormalParameters(),r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!1))},e.prototype.parsePropertyMethodAsyncFunction=function(){var e=this.createNode(),t=this.context.allowYield,n=this.context.await;this.context.allowYield=!1,this.context.await=!0;var r=this.parseFormalParameters(),o=this.parsePropertyMethod(r);return this.context.allowYield=t,this.context.await=n,this.finalize(e,new a.AsyncFunctionExpression(null,r.params,o))},e.prototype.parseObjectPropertyKey=function(){var e,t=this.createNode(),n=this.nextToken();switch(n.type){case 8:case 6:this.context.strict&&n.octal&&this.tolerateUnexpectedToken(n,i.Messages.StrictOctalLiteral);var r=this.getTokenRaw(n);e=this.finalize(t,new a.Literal(n.value,r));break;case 3:case 1:case 5:case 4:e=this.finalize(t,new a.Identifier(n.value));break;case 7:"["===n.value?(e=this.isolateCoverGrammar(this.parseAssignmentExpression),this.expect("]")):e=this.throwUnexpectedToken(n);break;default:e=this.throwUnexpectedToken(n)}return e},e.prototype.isPropertyKey=function(e,t){return e.type===l.Syntax.Identifier&&e.name===t||e.type===l.Syntax.Literal&&e.value===t},e.prototype.parseObjectProperty=function(e){var t,n=this.createNode(),r=this.lookahead,o=null,s=null,l=!1,u=!1,c=!1,d=!1;if(3===r.type){var p=r.value;this.nextToken(),l=this.match("["),o=(d=!(this.hasLineTerminator||"async"!==p||this.match(":")||this.match("(")||this.match("*")||this.match(",")))?this.parseObjectPropertyKey():this.finalize(n,new a.Identifier(p))}else this.match("*")?this.nextToken():(l=this.match("["),o=this.parseObjectPropertyKey());var f=this.qualifiedPropertyName(this.lookahead);if(3===r.type&&!d&&"get"===r.value&&f)t="get",l=this.match("["),o=this.parseObjectPropertyKey(),this.context.allowYield=!1,s=this.parseGetterMethod();else if(3===r.type&&!d&&"set"===r.value&&f)t="set",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseSetterMethod();else if(7===r.type&&"*"===r.value&&f)t="init",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseGeneratorMethod(),u=!0;else if(o||this.throwUnexpectedToken(this.lookahead),t="init",this.match(":")&&!d)!l&&this.isPropertyKey(o,"__proto__")&&(e.value&&this.tolerateError(i.Messages.DuplicateProtoProperty),e.value=!0),this.nextToken(),s=this.inheritCoverGrammar(this.parseAssignmentExpression);else if(this.match("("))s=d?this.parsePropertyMethodAsyncFunction():this.parsePropertyMethodFunction(),u=!0;else if(3===r.type)if(p=this.finalize(n,new a.Identifier(r.value)),this.match("=")){this.context.firstCoverInitializedNameError=this.lookahead,this.nextToken(),c=!0;var h=this.isolateCoverGrammar(this.parseAssignmentExpression);s=this.finalize(n,new a.AssignmentPattern(p,h))}else c=!0,s=p;else this.throwUnexpectedToken(this.nextToken());return this.finalize(n,new a.Property(t,o,l,s,u,c))},e.prototype.parseObjectInitializer=function(){var e=this.createNode();this.expect("{");for(var t=[],n={value:!1};!this.match("}");)t.push(this.parseObjectProperty(n)),this.match("}")||this.expectCommaSeparator();return this.expect("}"),this.finalize(e,new a.ObjectExpression(t))},e.prototype.parseTemplateHead=function(){r.assert(this.lookahead.head,"Template literal must start with a template head");var e=this.createNode(),t=this.nextToken(),n=t.value,o=t.cooked;return this.finalize(e,new a.TemplateElement({raw:n,cooked:o},t.tail))},e.prototype.parseTemplateElement=function(){10!==this.lookahead.type&&this.throwUnexpectedToken();var e=this.createNode(),t=this.nextToken(),n=t.value,r=t.cooked;return this.finalize(e,new a.TemplateElement({raw:n,cooked:r},t.tail))},e.prototype.parseTemplateLiteral=function(){var e=this.createNode(),t=[],n=[],r=this.parseTemplateHead();for(n.push(r);!r.tail;)t.push(this.parseExpression()),r=this.parseTemplateElement(),n.push(r);return this.finalize(e,new a.TemplateLiteral(n,t))},e.prototype.reinterpretExpressionAsPattern=function(e){switch(e.type){case l.Syntax.Identifier:case l.Syntax.MemberExpression:case l.Syntax.RestElement:case l.Syntax.AssignmentPattern:break;case l.Syntax.SpreadElement:e.type=l.Syntax.RestElement,this.reinterpretExpressionAsPattern(e.argument);break;case l.Syntax.ArrayExpression:e.type=l.Syntax.ArrayPattern;for(var t=0;t")||this.expect("=>"),e={type:"ArrowParameterPlaceHolder",params:[],async:!1};else{var t=this.lookahead,n=[];if(this.match("..."))e=this.parseRestElement(n),this.expect(")"),this.match("=>")||this.expect("=>"),e={type:"ArrowParameterPlaceHolder",params:[e],async:!1};else{var r=!1;if(this.context.isBindingElement=!0,e=this.inheritCoverGrammar(this.parseAssignmentExpression),this.match(",")){var o=[];for(this.context.isAssignmentTarget=!1,o.push(e);2!==this.lookahead.type&&this.match(",");){if(this.nextToken(),this.match(")")){this.nextToken();for(var i=0;i")||this.expect("=>"),this.context.isBindingElement=!1,i=0;i")&&(e.type===l.Syntax.Identifier&&"yield"===e.name&&(r=!0,e={type:"ArrowParameterPlaceHolder",params:[e],async:!1}),!r)){if(this.context.isBindingElement||this.throwUnexpectedToken(this.lookahead),e.type===l.Syntax.SequenceExpression)for(i=0;i")){for(var l=0;l0){this.nextToken(),this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1;for(var o=[e,this.lookahead],i=t,s=this.isolateCoverGrammar(this.parseExponentiationExpression),l=[i,n.value,s],u=[r];!((r=this.binaryPrecedence(this.lookahead))<=0);){for(;l.length>2&&r<=u[u.length-1];){s=l.pop();var c=l.pop();u.pop(),i=l.pop(),o.pop();var d=this.startNode(o[o.length-1]);l.push(this.finalize(d,new a.BinaryExpression(c,i,s)))}l.push(this.nextToken().value),u.push(r),o.push(this.lookahead),l.push(this.isolateCoverGrammar(this.parseExponentiationExpression))}var p=l.length-1;t=l[p];for(var f=o.pop();p>1;){var h=o.pop(),m=f&&f.lineStart;d=this.startNode(h,m),c=l[p-1],t=this.finalize(d,new a.BinaryExpression(c,l[p-2],t)),p-=2,f=h}}return t},e.prototype.parseConditionalExpression=function(){var e=this.lookahead,t=this.inheritCoverGrammar(this.parseBinaryExpression);if(this.match("?")){this.nextToken();var n=this.context.allowIn;this.context.allowIn=!0;var r=this.isolateCoverGrammar(this.parseAssignmentExpression);this.context.allowIn=n,this.expect(":");var o=this.isolateCoverGrammar(this.parseAssignmentExpression);t=this.finalize(this.startNode(e),new a.ConditionalExpression(t,r,o)),this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1}return t},e.prototype.checkPatternParam=function(e,t){switch(t.type){case l.Syntax.Identifier:this.validateParam(e,t,t.name);break;case l.Syntax.RestElement:this.checkPatternParam(e,t.argument);break;case l.Syntax.AssignmentPattern:this.checkPatternParam(e,t.left);break;case l.Syntax.ArrayPattern:for(var n=0;n")){this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1;var o=e.async,s=this.reinterpretAsCoverFormalsList(e);if(s){this.hasLineTerminator&&this.tolerateUnexpectedToken(this.lookahead),this.context.firstCoverInitializedNameError=null;var u=this.context.strict,c=this.context.allowStrictDirective;this.context.allowStrictDirective=s.simple;var d=this.context.allowYield,p=this.context.await;this.context.allowYield=!0,this.context.await=o;var f=this.startNode(t);this.expect("=>");var h=void 0;if(this.match("{")){var m=this.context.allowIn;this.context.allowIn=!0,h=this.parseFunctionSourceElements(),this.context.allowIn=m}else h=this.isolateCoverGrammar(this.parseAssignmentExpression);var g=h.type!==l.Syntax.BlockStatement;this.context.strict&&s.firstRestricted&&this.throwUnexpectedToken(s.firstRestricted,s.message),this.context.strict&&s.stricted&&this.tolerateUnexpectedToken(s.stricted,s.message),e=o?this.finalize(f,new a.AsyncArrowFunctionExpression(s.params,h,g)):this.finalize(f,new a.ArrowFunctionExpression(s.params,h,g)),this.context.strict=u,this.context.allowStrictDirective=c,this.context.allowYield=d,this.context.await=p}}else if(this.matchAssign()){if(this.context.isAssignmentTarget||this.tolerateError(i.Messages.InvalidLHSInAssignment),this.context.strict&&e.type===l.Syntax.Identifier){var v=e;this.scanner.isRestrictedWord(v.name)&&this.tolerateUnexpectedToken(n,i.Messages.StrictLHSAssignment),this.scanner.isStrictModeReservedWord(v.name)&&this.tolerateUnexpectedToken(n,i.Messages.StrictReservedWord)}this.match("=")?this.reinterpretExpressionAsPattern(e):(this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1);var y=(n=this.nextToken()).value,b=this.isolateCoverGrammar(this.parseAssignmentExpression);e=this.finalize(this.startNode(t),new a.AssignmentExpression(y,e,b)),this.context.firstCoverInitializedNameError=null}}return e},e.prototype.parseExpression=function(){var e=this.lookahead,t=this.isolateCoverGrammar(this.parseAssignmentExpression);if(this.match(",")){var n=[];for(n.push(t);2!==this.lookahead.type&&this.match(",");)this.nextToken(),n.push(this.isolateCoverGrammar(this.parseAssignmentExpression));t=this.finalize(this.startNode(e),new a.SequenceExpression(n))}return t},e.prototype.parseStatementListItem=function(){var e;if(this.context.isAssignmentTarget=!0,this.context.isBindingElement=!0,4===this.lookahead.type)switch(this.lookahead.value){case"export":this.context.isModule||this.tolerateUnexpectedToken(this.lookahead,i.Messages.IllegalExportDeclaration),e=this.parseExportDeclaration();break;case"import":this.context.isModule||this.tolerateUnexpectedToken(this.lookahead,i.Messages.IllegalImportDeclaration),e=this.parseImportDeclaration();break;case"const":e=this.parseLexicalDeclaration({inFor:!1});break;case"function":e=this.parseFunctionDeclaration();break;case"class":e=this.parseClassDeclaration();break;case"let":e=this.isLexicalDeclaration()?this.parseLexicalDeclaration({inFor:!1}):this.parseStatement();break;default:e=this.parseStatement()}else e=this.parseStatement();return e},e.prototype.parseBlock=function(){var e=this.createNode();this.expect("{");for(var t=[];!this.match("}");)t.push(this.parseStatementListItem());return this.expect("}"),this.finalize(e,new a.BlockStatement(t))},e.prototype.parseLexicalBinding=function(e,t){var n=this.createNode(),r=this.parsePattern([],e);this.context.strict&&r.type===l.Syntax.Identifier&&this.scanner.isRestrictedWord(r.name)&&this.tolerateError(i.Messages.StrictVarName);var o=null;return"const"===e?this.matchKeyword("in")||this.matchContextualKeyword("of")||(this.match("=")?(this.nextToken(),o=this.isolateCoverGrammar(this.parseAssignmentExpression)):this.throwError(i.Messages.DeclarationMissingInitializer,"const")):(!t.inFor&&r.type!==l.Syntax.Identifier||this.match("="))&&(this.expect("="),o=this.isolateCoverGrammar(this.parseAssignmentExpression)),this.finalize(n,new a.VariableDeclarator(r,o))},e.prototype.parseBindingList=function(e,t){for(var n=[this.parseLexicalBinding(e,t)];this.match(",");)this.nextToken(),n.push(this.parseLexicalBinding(e,t));return n},e.prototype.isLexicalDeclaration=function(){var e=this.scanner.saveState();this.scanner.scanComments();var t=this.scanner.lex();return this.scanner.restoreState(e),3===t.type||7===t.type&&"["===t.value||7===t.type&&"{"===t.value||4===t.type&&"let"===t.value||4===t.type&&"yield"===t.value},e.prototype.parseLexicalDeclaration=function(e){var t=this.createNode(),n=this.nextToken().value;r.assert("let"===n||"const"===n,"Lexical declaration must be either let or const");var o=this.parseBindingList(n,e);return this.consumeSemicolon(),this.finalize(t,new a.VariableDeclaration(o,n))},e.prototype.parseBindingRestElement=function(e,t){var n=this.createNode();this.expect("...");var r=this.parsePattern(e,t);return this.finalize(n,new a.RestElement(r))},e.prototype.parseArrayPattern=function(e,t){var n=this.createNode();this.expect("[");for(var r=[];!this.match("]");)if(this.match(","))this.nextToken(),r.push(null);else{if(this.match("...")){r.push(this.parseBindingRestElement(e,t));break}r.push(this.parsePatternWithDefault(e,t)),this.match("]")||this.expect(",")}return this.expect("]"),this.finalize(n,new a.ArrayPattern(r))},e.prototype.parsePropertyPattern=function(e,t){var n,r,o=this.createNode(),i=!1,s=!1;if(3===this.lookahead.type){var l=this.lookahead;n=this.parseVariableIdentifier();var u=this.finalize(o,new a.Identifier(l.value));if(this.match("=")){e.push(l),s=!0,this.nextToken();var c=this.parseAssignmentExpression();r=this.finalize(this.startNode(l),new a.AssignmentPattern(u,c))}else this.match(":")?(this.expect(":"),r=this.parsePatternWithDefault(e,t)):(e.push(l),s=!0,r=u)}else i=this.match("["),n=this.parseObjectPropertyKey(),this.expect(":"),r=this.parsePatternWithDefault(e,t);return this.finalize(o,new a.Property("init",n,i,r,!1,s))},e.prototype.parseObjectPattern=function(e,t){var n=this.createNode(),r=[];for(this.expect("{");!this.match("}");)r.push(this.parsePropertyPattern(e,t)),this.match("}")||this.expect(",");return this.expect("}"),this.finalize(n,new a.ObjectPattern(r))},e.prototype.parsePattern=function(e,t){var n;return this.match("[")?n=this.parseArrayPattern(e,t):this.match("{")?n=this.parseObjectPattern(e,t):(!this.matchKeyword("let")||"const"!==t&&"let"!==t||this.tolerateUnexpectedToken(this.lookahead,i.Messages.LetInLexicalBinding),e.push(this.lookahead),n=this.parseVariableIdentifier(t)),n},e.prototype.parsePatternWithDefault=function(e,t){var n=this.lookahead,r=this.parsePattern(e,t);if(this.match("=")){this.nextToken();var o=this.context.allowYield;this.context.allowYield=!0;var i=this.isolateCoverGrammar(this.parseAssignmentExpression);this.context.allowYield=o,r=this.finalize(this.startNode(n),new a.AssignmentPattern(r,i))}return r},e.prototype.parseVariableIdentifier=function(e){var t=this.createNode(),n=this.nextToken();return 4===n.type&&"yield"===n.value?this.context.strict?this.tolerateUnexpectedToken(n,i.Messages.StrictReservedWord):this.context.allowYield||this.throwUnexpectedToken(n):3!==n.type?this.context.strict&&4===n.type&&this.scanner.isStrictModeReservedWord(n.value)?this.tolerateUnexpectedToken(n,i.Messages.StrictReservedWord):(this.context.strict||"let"!==n.value||"var"!==e)&&this.throwUnexpectedToken(n):(this.context.isModule||this.context.await)&&3===n.type&&"await"===n.value&&this.tolerateUnexpectedToken(n),this.finalize(t,new a.Identifier(n.value))},e.prototype.parseVariableDeclaration=function(e){var t=this.createNode(),n=this.parsePattern([],"var");this.context.strict&&n.type===l.Syntax.Identifier&&this.scanner.isRestrictedWord(n.name)&&this.tolerateError(i.Messages.StrictVarName);var r=null;return this.match("=")?(this.nextToken(),r=this.isolateCoverGrammar(this.parseAssignmentExpression)):n.type===l.Syntax.Identifier||e.inFor||this.expect("="),this.finalize(t,new a.VariableDeclarator(n,r))},e.prototype.parseVariableDeclarationList=function(e){var t={inFor:e.inFor},n=[];for(n.push(this.parseVariableDeclaration(t));this.match(",");)this.nextToken(),n.push(this.parseVariableDeclaration(t));return n},e.prototype.parseVariableStatement=function(){var e=this.createNode();this.expectKeyword("var");var t=this.parseVariableDeclarationList({inFor:!1});return this.consumeSemicolon(),this.finalize(e,new a.VariableDeclaration(t,"var"))},e.prototype.parseEmptyStatement=function(){var e=this.createNode();return this.expect(";"),this.finalize(e,new a.EmptyStatement)},e.prototype.parseExpressionStatement=function(){var e=this.createNode(),t=this.parseExpression();return this.consumeSemicolon(),this.finalize(e,new a.ExpressionStatement(t))},e.prototype.parseIfClause=function(){return this.context.strict&&this.matchKeyword("function")&&this.tolerateError(i.Messages.StrictFunction),this.parseStatement()},e.prototype.parseIfStatement=function(){var e,t=this.createNode(),n=null;this.expectKeyword("if"),this.expect("(");var r=this.parseExpression();return!this.match(")")&&this.config.tolerant?(this.tolerateUnexpectedToken(this.nextToken()),e=this.finalize(this.createNode(),new a.EmptyStatement)):(this.expect(")"),e=this.parseIfClause(),this.matchKeyword("else")&&(this.nextToken(),n=this.parseIfClause())),this.finalize(t,new a.IfStatement(r,e,n))},e.prototype.parseDoWhileStatement=function(){var e=this.createNode();this.expectKeyword("do");var t=this.context.inIteration;this.context.inIteration=!0;var n=this.parseStatement();this.context.inIteration=t,this.expectKeyword("while"),this.expect("(");var r=this.parseExpression();return!this.match(")")&&this.config.tolerant?this.tolerateUnexpectedToken(this.nextToken()):(this.expect(")"),this.match(";")&&this.nextToken()),this.finalize(e,new a.DoWhileStatement(n,r))},e.prototype.parseWhileStatement=function(){var e,t=this.createNode();this.expectKeyword("while"),this.expect("(");var n=this.parseExpression();if(!this.match(")")&&this.config.tolerant)this.tolerateUnexpectedToken(this.nextToken()),e=this.finalize(this.createNode(),new a.EmptyStatement);else{this.expect(")");var r=this.context.inIteration;this.context.inIteration=!0,e=this.parseStatement(),this.context.inIteration=r}return this.finalize(t,new a.WhileStatement(n,e))},e.prototype.parseForStatement=function(){var e,t,n,r=null,o=null,s=null,u=!0,c=this.createNode();if(this.expectKeyword("for"),this.expect("("),this.match(";"))this.nextToken();else if(this.matchKeyword("var")){r=this.createNode(),this.nextToken();var d=this.context.allowIn;this.context.allowIn=!1;var p=this.parseVariableDeclarationList({inFor:!0});if(this.context.allowIn=d,1===p.length&&this.matchKeyword("in")){var f=p[0];f.init&&(f.id.type===l.Syntax.ArrayPattern||f.id.type===l.Syntax.ObjectPattern||this.context.strict)&&this.tolerateError(i.Messages.ForInOfLoopInitializer,"for-in"),r=this.finalize(r,new a.VariableDeclaration(p,"var")),this.nextToken(),e=r,t=this.parseExpression(),r=null}else 1===p.length&&null===p[0].init&&this.matchContextualKeyword("of")?(r=this.finalize(r,new a.VariableDeclaration(p,"var")),this.nextToken(),e=r,t=this.parseAssignmentExpression(),r=null,u=!1):(r=this.finalize(r,new a.VariableDeclaration(p,"var")),this.expect(";"))}else if(this.matchKeyword("const")||this.matchKeyword("let")){r=this.createNode();var h=this.nextToken().value;this.context.strict||"in"!==this.lookahead.value?(d=this.context.allowIn,this.context.allowIn=!1,p=this.parseBindingList(h,{inFor:!0}),this.context.allowIn=d,1===p.length&&null===p[0].init&&this.matchKeyword("in")?(r=this.finalize(r,new a.VariableDeclaration(p,h)),this.nextToken(),e=r,t=this.parseExpression(),r=null):1===p.length&&null===p[0].init&&this.matchContextualKeyword("of")?(r=this.finalize(r,new a.VariableDeclaration(p,h)),this.nextToken(),e=r,t=this.parseAssignmentExpression(),r=null,u=!1):(this.consumeSemicolon(),r=this.finalize(r,new a.VariableDeclaration(p,h)))):(r=this.finalize(r,new a.Identifier(h)),this.nextToken(),e=r,t=this.parseExpression(),r=null)}else{var m=this.lookahead;if(d=this.context.allowIn,this.context.allowIn=!1,r=this.inheritCoverGrammar(this.parseAssignmentExpression),this.context.allowIn=d,this.matchKeyword("in"))this.context.isAssignmentTarget&&r.type!==l.Syntax.AssignmentExpression||this.tolerateError(i.Messages.InvalidLHSInForIn),this.nextToken(),this.reinterpretExpressionAsPattern(r),e=r,t=this.parseExpression(),r=null;else if(this.matchContextualKeyword("of"))this.context.isAssignmentTarget&&r.type!==l.Syntax.AssignmentExpression||this.tolerateError(i.Messages.InvalidLHSInForLoop),this.nextToken(),this.reinterpretExpressionAsPattern(r),e=r,t=this.parseAssignmentExpression(),r=null,u=!1;else{if(this.match(",")){for(var g=[r];this.match(",");)this.nextToken(),g.push(this.isolateCoverGrammar(this.parseAssignmentExpression));r=this.finalize(this.startNode(m),new a.SequenceExpression(g))}this.expect(";")}}if(void 0===e&&(this.match(";")||(o=this.parseExpression()),this.expect(";"),this.match(")")||(s=this.parseExpression())),!this.match(")")&&this.config.tolerant)this.tolerateUnexpectedToken(this.nextToken()),n=this.finalize(this.createNode(),new a.EmptyStatement);else{this.expect(")");var v=this.context.inIteration;this.context.inIteration=!0,n=this.isolateCoverGrammar(this.parseStatement),this.context.inIteration=v}return void 0===e?this.finalize(c,new a.ForStatement(r,o,s,n)):u?this.finalize(c,new a.ForInStatement(e,t,n)):this.finalize(c,new a.ForOfStatement(e,t,n))},e.prototype.parseContinueStatement=function(){var e=this.createNode();this.expectKeyword("continue");var t=null;if(3===this.lookahead.type&&!this.hasLineTerminator){var n=this.parseVariableIdentifier();t=n;var r="$"+n.name;Object.prototype.hasOwnProperty.call(this.context.labelSet,r)||this.throwError(i.Messages.UnknownLabel,n.name)}return this.consumeSemicolon(),null!==t||this.context.inIteration||this.throwError(i.Messages.IllegalContinue),this.finalize(e,new a.ContinueStatement(t))},e.prototype.parseBreakStatement=function(){var e=this.createNode();this.expectKeyword("break");var t=null;if(3===this.lookahead.type&&!this.hasLineTerminator){var n=this.parseVariableIdentifier(),r="$"+n.name;Object.prototype.hasOwnProperty.call(this.context.labelSet,r)||this.throwError(i.Messages.UnknownLabel,n.name),t=n}return this.consumeSemicolon(),null!==t||this.context.inIteration||this.context.inSwitch||this.throwError(i.Messages.IllegalBreak),this.finalize(e,new a.BreakStatement(t))},e.prototype.parseReturnStatement=function(){this.context.inFunctionBody||this.tolerateError(i.Messages.IllegalReturn);var e=this.createNode();this.expectKeyword("return");var t=(this.match(";")||this.match("}")||this.hasLineTerminator||2===this.lookahead.type)&&8!==this.lookahead.type&&10!==this.lookahead.type?null:this.parseExpression();return this.consumeSemicolon(),this.finalize(e,new a.ReturnStatement(t))},e.prototype.parseWithStatement=function(){this.context.strict&&this.tolerateError(i.Messages.StrictModeWith);var e,t=this.createNode();this.expectKeyword("with"),this.expect("(");var n=this.parseExpression();return!this.match(")")&&this.config.tolerant?(this.tolerateUnexpectedToken(this.nextToken()),e=this.finalize(this.createNode(),new a.EmptyStatement)):(this.expect(")"),e=this.parseStatement()),this.finalize(t,new a.WithStatement(n,e))},e.prototype.parseSwitchCase=function(){var e,t=this.createNode();this.matchKeyword("default")?(this.nextToken(),e=null):(this.expectKeyword("case"),e=this.parseExpression()),this.expect(":");for(var n=[];!(this.match("}")||this.matchKeyword("default")||this.matchKeyword("case"));)n.push(this.parseStatementListItem());return this.finalize(t,new a.SwitchCase(e,n))},e.prototype.parseSwitchStatement=function(){var e=this.createNode();this.expectKeyword("switch"),this.expect("(");var t=this.parseExpression();this.expect(")");var n=this.context.inSwitch;this.context.inSwitch=!0;var r=[],o=!1;for(this.expect("{");!this.match("}");){var s=this.parseSwitchCase();null===s.test&&(o&&this.throwError(i.Messages.MultipleDefaultsInSwitch),o=!0),r.push(s)}return this.expect("}"),this.context.inSwitch=n,this.finalize(e,new a.SwitchStatement(t,r))},e.prototype.parseLabelledStatement=function(){var e,t=this.createNode(),n=this.parseExpression();if(n.type===l.Syntax.Identifier&&this.match(":")){this.nextToken();var r=n,o="$"+r.name;Object.prototype.hasOwnProperty.call(this.context.labelSet,o)&&this.throwError(i.Messages.Redeclaration,"Label",r.name),this.context.labelSet[o]=!0;var s=void 0;if(this.matchKeyword("class"))this.tolerateUnexpectedToken(this.lookahead),s=this.parseClassDeclaration();else if(this.matchKeyword("function")){var u=this.lookahead,c=this.parseFunctionDeclaration();this.context.strict?this.tolerateUnexpectedToken(u,i.Messages.StrictFunction):c.generator&&this.tolerateUnexpectedToken(u,i.Messages.GeneratorInLegacyContext),s=c}else s=this.parseStatement();delete this.context.labelSet[o],e=new a.LabeledStatement(r,s)}else this.consumeSemicolon(),e=new a.ExpressionStatement(n);return this.finalize(t,e)},e.prototype.parseThrowStatement=function(){var e=this.createNode();this.expectKeyword("throw"),this.hasLineTerminator&&this.throwError(i.Messages.NewlineAfterThrow);var t=this.parseExpression();return this.consumeSemicolon(),this.finalize(e,new a.ThrowStatement(t))},e.prototype.parseCatchClause=function(){var e=this.createNode();this.expectKeyword("catch"),this.expect("("),this.match(")")&&this.throwUnexpectedToken(this.lookahead);for(var t=[],n=this.parsePattern(t),r={},o=0;o0&&this.tolerateError(i.Messages.BadGetterArity);var r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!1))},e.prototype.parseSetterMethod=function(){var e=this.createNode(),t=this.context.allowYield;this.context.allowYield=!0;var n=this.parseFormalParameters();1!==n.params.length?this.tolerateError(i.Messages.BadSetterArity):n.params[0]instanceof a.RestElement&&this.tolerateError(i.Messages.BadSetterRestParameter);var r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!1))},e.prototype.parseGeneratorMethod=function(){var e=this.createNode(),t=this.context.allowYield;this.context.allowYield=!0;var n=this.parseFormalParameters();this.context.allowYield=!1;var r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!0))},e.prototype.isStartOfExpression=function(){var e=!0,t=this.lookahead.value;switch(this.lookahead.type){case 7:e="["===t||"("===t||"{"===t||"+"===t||"-"===t||"!"===t||"~"===t||"++"===t||"--"===t||"/"===t||"/="===t;break;case 4:e="class"===t||"delete"===t||"function"===t||"let"===t||"new"===t||"super"===t||"this"===t||"typeof"===t||"void"===t||"yield"===t}return e},e.prototype.parseYieldExpression=function(){var e=this.createNode();this.expectKeyword("yield");var t=null,n=!1;if(!this.hasLineTerminator){var r=this.context.allowYield;this.context.allowYield=!1,(n=this.match("*"))?(this.nextToken(),t=this.parseAssignmentExpression()):this.isStartOfExpression()&&(t=this.parseAssignmentExpression()),this.context.allowYield=r}return this.finalize(e,new a.YieldExpression(t,n))},e.prototype.parseClassElement=function(e){var t=this.lookahead,n=this.createNode(),r="",o=null,s=null,l=!1,u=!1,c=!1,d=!1;if(this.match("*"))this.nextToken();else if(l=this.match("["),"static"===(o=this.parseObjectPropertyKey()).name&&(this.qualifiedPropertyName(this.lookahead)||this.match("*"))&&(t=this.lookahead,c=!0,l=this.match("["),this.match("*")?this.nextToken():o=this.parseObjectPropertyKey()),3===t.type&&!this.hasLineTerminator&&"async"===t.value){var p=this.lookahead.value;":"!==p&&"("!==p&&"*"!==p&&(d=!0,t=this.lookahead,o=this.parseObjectPropertyKey(),3===t.type&&"constructor"===t.value&&this.tolerateUnexpectedToken(t,i.Messages.ConstructorIsAsync))}var f=this.qualifiedPropertyName(this.lookahead);return 3===t.type?"get"===t.value&&f?(r="get",l=this.match("["),o=this.parseObjectPropertyKey(),this.context.allowYield=!1,s=this.parseGetterMethod()):"set"===t.value&&f&&(r="set",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseSetterMethod()):7===t.type&&"*"===t.value&&f&&(r="init",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseGeneratorMethod(),u=!0),!r&&o&&this.match("(")&&(r="init",s=d?this.parsePropertyMethodAsyncFunction():this.parsePropertyMethodFunction(),u=!0),r||this.throwUnexpectedToken(this.lookahead),"init"===r&&(r="method"),l||(c&&this.isPropertyKey(o,"prototype")&&this.throwUnexpectedToken(t,i.Messages.StaticPrototype),!c&&this.isPropertyKey(o,"constructor")&&(("method"!==r||!u||s&&s.generator)&&this.throwUnexpectedToken(t,i.Messages.ConstructorSpecialMethod),e.value?this.throwUnexpectedToken(t,i.Messages.DuplicateConstructor):e.value=!0,r="constructor")),this.finalize(n,new 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t="0"!==e,n=s(e);return!this.eof()&&o.Character.isOctalDigit(this.source.charCodeAt(this.index))&&(t=!0,n=8*n+s(this.source[this.index++]),"0123".indexOf(e)>=0&&!this.eof()&&o.Character.isOctalDigit(this.source.charCodeAt(this.index))&&(n=8*n+s(this.source[this.index++]))),{code:n,octal:t}},e.prototype.scanIdentifier=function(){var e,t=this.index,n=92===this.source.charCodeAt(t)?this.getComplexIdentifier():this.getIdentifier();if(3!=(e=1===n.length?3:this.isKeyword(n)?4:"null"===n?5:"true"===n||"false"===n?1:3)&&t+n.length!==this.index){var r=this.index;this.index=t,this.tolerateUnexpectedToken(i.Messages.InvalidEscapedReservedWord),this.index=r}return{type:e,value:n,lineNumber:this.lineNumber,lineStart:this.lineStart,start:t,end:this.index}},e.prototype.scanPunctuator=function(){var e=this.index,t=this.source[this.index];switch(t){case"(":case"{":"{"===t&&this.curlyStack.push("{"),++this.index;break;case".":++this.index,"."===this.source[this.index]&&"."===this.source[this.index+1]&&(this.index+=2,t="...");break;case"}":++this.index,this.curlyStack.pop();break;case")":case";":case",":case"[":case"]":case":":case"?":case"~":++this.index;break;default:">>>="===(t=this.source.substr(this.index,4))?this.index+=4:"==="===(t=t.substr(0,3))||"!=="===t||">>>"===t||"<<="===t||">>="===t||"**="===t?this.index+=3:"&&"===(t=t.substr(0,2))||"||"===t||"=="===t||"!="===t||"+="===t||"-="===t||"*="===t||"/="===t||"++"===t||"--"===t||"<<"===t||">>"===t||"&="===t||"|="===t||"^="===t||"%="===t||"<="===t||">="===t||"=>"===t||"**"===t?this.index+=2:(t=this.source[this.index],"<>=!+-*%&|^/".indexOf(t)>=0&&++this.index)}return this.index===e&&this.throwUnexpectedToken(),{type:7,value:t,lineNumber:this.lineNumber,lineStart:this.lineStart,start:e,end:this.index}},e.prototype.scanHexLiteral=function(e){for(var t="";!this.eof()&&o.Character.isHexDigit(this.source.charCodeAt(this.index));)t+=this.source[this.index++];return 0===t.length&&this.throwUnexpectedToken(),o.Character.isIdentifierStart(this.source.charCodeAt(this.index))&&this.throwUnexpectedToken(),{type:6,value:parseInt("0x"+t,16),lineNumber:this.lineNumber,lineStart:this.lineStart,start:e,end:this.index}},e.prototype.scanBinaryLiteral=function(e){for(var t,n="";!this.eof()&&("0"===(t=this.source[this.index])||"1"===t);)n+=this.source[this.index++];return 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v[0]=e,v[1]=t,v[2]=n,v[3]=r,v[4]=o,v[5]=a,v[6]=s,v[7]=l,v[8]=u,v[9]=c,v[10]=d,v[11]=p,v[12]=f,v[13]=h,v[14]=m,v[15]=g,v}function p(e,t,n,r,o,i,a,s,l,u,c,d,p,f,h,m,g){return e[0]=t,e[1]=n,e[2]=r,e[3]=o,e[4]=i,e[5]=a,e[6]=s,e[7]=l,e[8]=u,e[9]=c,e[10]=d,e[11]=p,e[12]=f,e[13]=h,e[14]=m,e[15]=g,e}function f(e){return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e}function h(e,t){if(e===t){var n=t[1],r=t[2],o=t[3],i=t[6],a=t[7],s=t[11];e[1]=t[4],e[2]=t[8],e[3]=t[12],e[4]=n,e[6]=t[9],e[7]=t[13],e[8]=r,e[9]=i,e[11]=t[14],e[12]=o,e[13]=a,e[14]=s}else e[0]=t[0],e[1]=t[4],e[2]=t[8],e[3]=t[12],e[4]=t[1],e[5]=t[5],e[6]=t[9],e[7]=t[13],e[8]=t[2],e[9]=t[6],e[10]=t[10],e[11]=t[14],e[12]=t[3],e[13]=t[7],e[14]=t[11],e[15]=t[15];return e}function m(e,t){var n=t[0],r=t[1],o=t[2],i=t[3],a=t[4],s=t[5],l=t[6],u=t[7],c=t[8],d=t[9],p=t[10],f=t[11],h=t[12],m=t[13],g=t[14],v=t[15],y=n*s-r*a,b=n*l-o*a,x=n*u-i*a,_=r*l-o*s,T=r*u-i*s,S=o*u-i*l,w=c*m-d*h,C=c*g-p*h,A=c*v-f*h,E=d*g-p*m,D=d*v-f*m,I=p*v-f*g,P=y*I-b*D+x*E+_*A-T*C+S*w;return P?(P=1/P,e[0]=(s*I-l*D+u*E)*P,e[1]=(o*D-r*I-i*E)*P,e[2]=(m*S-g*T+v*_)*P,e[3]=(p*T-d*S-f*_)*P,e[4]=(l*A-a*I-u*C)*P,e[5]=(n*I-o*A+i*C)*P,e[6]=(g*x-h*S-v*b)*P,e[7]=(c*S-p*x+f*b)*P,e[8]=(a*D-s*A+u*w)*P,e[9]=(r*A-n*D-i*w)*P,e[10]=(h*T-m*x+v*y)*P,e[11]=(d*x-c*T-f*y)*P,e[12]=(s*C-a*E-l*w)*P,e[13]=(n*E-r*C+o*w)*P,e[14]=(m*b-h*_-g*y)*P,e[15]=(c*_-d*b+p*y)*P,e):null}function g(e,t){var n=t[0],r=t[1],o=t[2],i=t[3],a=t[4],s=t[5],l=t[6],u=t[7],c=t[8],d=t[9],p=t[10],f=t[11],h=t[12],m=t[13],g=t[14],v=t[15];return e[0]=s*(p*v-f*g)-d*(l*v-u*g)+m*(l*f-u*p),e[1]=-(r*(p*v-f*g)-d*(o*v-i*g)+m*(o*f-i*p)),e[2]=r*(l*v-u*g)-s*(o*v-i*g)+m*(o*u-i*l),e[3]=-(r*(l*f-u*p)-s*(o*f-i*p)+d*(o*u-i*l)),e[4]=-(a*(p*v-f*g)-c*(l*v-u*g)+h*(l*f-u*p)),e[5]=n*(p*v-f*g)-c*(o*v-i*g)+h*(o*f-i*p),e[6]=-(n*(l*v-u*g)-a*(o*v-i*g)+h*(o*u-i*l)),e[7]=n*(l*f-u*p)-a*(o*f-i*p)+c*(o*u-i*l),e[8]=a*(d*v-f*m)-c*(s*v-u*m)+h*(s*f-u*d),e[9]=-(n*(d*v-f*m)-c*(r*v-i*m)+h*(r*f-i*d)),e[10]=n*(s*v-u*m)-a*(r*v-i*m)+h*(r*u-i*s),e[11]=-(n*(s*f-u*d)-a*(r*f-i*d)+c*(r*u-i*s)),e[12]=-(a*(d*g-p*m)-c*(s*g-l*m)+h*(s*p-l*d)),e[13]=n*(d*g-p*m)-c*(r*g-o*m)+h*(r*p-o*d),e[14]=-(n*(s*g-l*m)-a*(r*g-o*m)+h*(r*l-o*s)),e[15]=n*(s*p-l*d)-a*(r*p-o*d)+c*(r*l-o*s),e}function v(e){var t=e[0],n=e[1],r=e[2],o=e[3],i=e[4],a=e[5],s=e[6],l=e[7],u=e[8],c=e[9],d=e[10],p=e[11],f=e[12],h=e[13],m=e[14],g=e[15];return(t*a-n*i)*(d*g-p*m)-(t*s-r*i)*(c*g-p*h)+(t*l-o*i)*(c*m-d*h)+(n*s-r*a)*(u*g-p*f)-(n*l-o*a)*(u*m-d*f)+(r*l-o*s)*(u*h-c*f)}function y(e,t,n){var r=t[0],o=t[1],i=t[2],a=t[3],s=t[4],l=t[5],u=t[6],c=t[7],d=t[8],p=t[9],f=t[10],h=t[11],m=t[12],g=t[13],v=t[14],y=t[15],b=n[0],x=n[1],_=n[2],T=n[3];return e[0]=b*r+x*s+_*d+T*m,e[1]=b*o+x*l+_*p+T*g,e[2]=b*i+x*u+_*f+T*v,e[3]=b*a+x*c+_*h+T*y,b=n[4],x=n[5],_=n[6],T=n[7],e[4]=b*r+x*s+_*d+T*m,e[5]=b*o+x*l+_*p+T*g,e[6]=b*i+x*u+_*f+T*v,e[7]=b*a+x*c+_*h+T*y,b=n[8],x=n[9],_=n[10],T=n[11],e[8]=b*r+x*s+_*d+T*m,e[9]=b*o+x*l+_*p+T*g,e[10]=b*i+x*u+_*f+T*v,e[11]=b*a+x*c+_*h+T*y,b=n[12],x=n[13],_=n[14],T=n[15],e[12]=b*r+x*s+_*d+T*m,e[13]=b*o+x*l+_*p+T*g,e[14]=b*i+x*u+_*f+T*v,e[15]=b*a+x*c+_*h+T*y,e}function b(e,t,n){var r,o,i,a,s,l,u,c,d,p,f,h,m=n[0],g=n[1],v=n[2];return t===e?(e[12]=t[0]*m+t[4]*g+t[8]*v+t[12],e[13]=t[1]*m+t[5]*g+t[9]*v+t[13],e[14]=t[2]*m+t[6]*g+t[10]*v+t[14],e[15]=t[3]*m+t[7]*g+t[11]*v+t[15]):(r=t[0],o=t[1],i=t[2],a=t[3],s=t[4],l=t[5],u=t[6],c=t[7],d=t[8],p=t[9],f=t[10],h=t[11],e[0]=r,e[1]=o,e[2]=i,e[3]=a,e[4]=s,e[5]=l,e[6]=u,e[7]=c,e[8]=d,e[9]=p,e[10]=f,e[11]=h,e[12]=r*m+s*g+d*v+t[12],e[13]=o*m+l*g+p*v+t[13],e[14]=i*m+u*g+f*v+t[14],e[15]=a*m+c*g+h*v+t[15]),e}function x(e,t,n){var r=n[0],o=n[1],i=n[2];return e[0]=t[0]*r,e[1]=t[1]*r,e[2]=t[2]*r,e[3]=t[3]*r,e[4]=t[4]*o,e[5]=t[5]*o,e[6]=t[6]*o,e[7]=t[7]*o,e[8]=t[8]*i,e[9]=t[9]*i,e[10]=t[10]*i,e[11]=t[11]*i,e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15],e}function _(e,t,n,r){var i,a,s,l,u,c,d,p,f,h,m,g,v,y,b,x,_,T,S,w,C,A,E,D,I=r[0],P=r[1],O=r[2],N=Math.hypot(I,P,O);return N0?(n[0]=2*(l*s+d*r+u*a-c*o)/p,n[1]=2*(u*s+d*o+c*r-l*a)/p,n[2]=2*(c*s+d*a+l*o-u*r)/p):(n[0]=2*(l*s+d*r+u*a-c*o),n[1]=2*(u*s+d*o+c*r-l*a),n[2]=2*(c*s+d*a+l*o-u*r)),O(e,t,n),e}function M(e,t){return e[0]=t[12],e[1]=t[13],e[2]=t[14],e}function R(e,t){var n=t[0],r=t[1],o=t[2],i=t[4],a=t[5],s=t[6],l=t[8],u=t[9],c=t[10];return e[0]=Math.hypot(n,r,o),e[1]=Math.hypot(i,a,s),e[2]=Math.hypot(l,u,c),e}function F(e,t){var n=new i(3);R(n,t);var r=1/n[0],o=1/n[1],a=1/n[2],s=t[0]*r,l=t[1]*o,u=t[2]*a,c=t[4]*r,d=t[5]*o,p=t[6]*a,f=t[8]*r,h=t[9]*o,m=t[10]*a,g=s+d+m,v=0;return g>0?(v=2*Math.sqrt(g+1),e[3]=.25*v,e[0]=(p-h)/v,e[1]=(f-u)/v,e[2]=(l-c)/v):s>d&&s>m?(v=2*Math.sqrt(1+s-d-m),e[3]=(p-h)/v,e[0]=.25*v,e[1]=(l+c)/v,e[2]=(f+u)/v):d>m?(v=2*Math.sqrt(1+d-s-m),e[3]=(f-u)/v,e[0]=(l+c)/v,e[1]=.25*v,e[2]=(p+h)/v):(v=2*Math.sqrt(1+m-s-d),e[3]=(l-c)/v,e[0]=(f+u)/v,e[1]=(p+h)/v,e[2]=.25*v),e}function k(e,t,n,r){var o=t[0],i=t[1],a=t[2],s=t[3],l=o+o,u=i+i,c=a+a,d=o*l,p=o*u,f=o*c,h=i*u,m=i*c,g=a*c,v=s*l,y=s*u,b=s*c,x=r[0],_=r[1],T=r[2];return e[0]=(1-(h+g))*x,e[1]=(p+b)*x,e[2]=(f-y)*x,e[3]=0,e[4]=(p-b)*_,e[5]=(1-(d+g))*_,e[6]=(m+v)*_,e[7]=0,e[8]=(f+y)*T,e[9]=(m-v)*T,e[10]=(1-(d+h))*T,e[11]=0,e[12]=n[0],e[13]=n[1],e[14]=n[2],e[15]=1,e}function L(e,t,n,r,o){var i=t[0],a=t[1],s=t[2],l=t[3],u=i+i,c=a+a,d=s+s,p=i*u,f=i*c,h=i*d,m=a*c,g=a*d,v=s*d,y=l*u,b=l*c,x=l*d,_=r[0],T=r[1],S=r[2],w=o[0],C=o[1],A=o[2],E=(1-(m+v))*_,D=(f+x)*_,I=(h-b)*_,P=(f-x)*T,O=(1-(p+v))*T,N=(g+y)*T,M=(h+b)*S,R=(g-y)*S,F=(1-(p+m))*S;return e[0]=E,e[1]=D,e[2]=I,e[3]=0,e[4]=P,e[5]=O,e[6]=N,e[7]=0,e[8]=M,e[9]=R,e[10]=F,e[11]=0,e[12]=n[0]+w-(E*w+P*C+M*A),e[13]=n[1]+C-(D*w+O*C+R*A),e[14]=n[2]+A-(I*w+N*C+F*A),e[15]=1,e}function B(e,t){var n=t[0],r=t[1],o=t[2],i=t[3],a=n+n,s=r+r,l=o+o,u=n*a,c=r*a,d=r*s,p=o*a,f=o*s,h=o*l,m=i*a,g=i*s,v=i*l;return e[0]=1-d-h,e[1]=c+v,e[2]=p-g,e[3]=0,e[4]=c-v,e[5]=1-u-h,e[6]=f+m,e[7]=0,e[8]=p+g,e[9]=f-m,e[10]=1-u-d,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e}function V(e,t,n,r,o,i,a){var s=1/(n-t),l=1/(o-r),u=1/(i-a);return e[0]=2*i*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=2*i*l,e[6]=0,e[7]=0,e[8]=(n+t)*s,e[9]=(o+r)*l,e[10]=(a+i)*u,e[11]=-1,e[12]=0,e[13]=0,e[14]=a*i*2*u,e[15]=0,e}function U(e,t,n,r,o){var i,a=1/Math.tan(t/2);return e[0]=a/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=a,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(i=1/(r-o),e[10]=(o+r)*i,e[14]=2*o*r*i):(e[10]=-1,e[14]=-2*r),e}Math.hypot||(Math.hypot=function(){for(var e=0,t=arguments.length;t--;)e+=arguments[t]*arguments[t];return Math.sqrt(e)});var G=U;function z(e,t,n,r,o){var i,a=1/Math.tan(t/2);return e[0]=a/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=a,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(i=1/(r-o),e[10]=o*i,e[14]=o*r*i):(e[10]=-1,e[14]=-r),e}function j(e,t,n,r){var o=Math.tan(t.upDegrees*Math.PI/180),i=Math.tan(t.downDegrees*Math.PI/180),a=Math.tan(t.leftDegrees*Math.PI/180),s=Math.tan(t.rightDegrees*Math.PI/180),l=2/(a+s),u=2/(o+i);return e[0]=l,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=u,e[6]=0,e[7]=0,e[8]=-(a-s)*l*.5,e[9]=(o-i)*u*.5,e[10]=r/(n-r),e[11]=-1,e[12]=0,e[13]=0,e[14]=r*n/(n-r),e[15]=0,e}function W(e,t,n,r,o,i,a){var s=1/(t-n),l=1/(r-o),u=1/(i-a);return e[0]=-2*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*l,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=2*u,e[11]=0,e[12]=(t+n)*s,e[13]=(o+r)*l,e[14]=(a+i)*u,e[15]=1,e}var H=W;function X(e,t,n,r,o,i,a){var s=1/(t-n),l=1/(r-o),u=1/(i-a);return e[0]=-2*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*l,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=u,e[11]=0,e[12]=(t+n)*s,e[13]=(o+r)*l,e[14]=i*u,e[15]=1,e}function K(e,t,n,r){var i,a,s,l,u,c,d,p,h,m,g=t[0],v=t[1],y=t[2],b=r[0],x=r[1],_=r[2],T=n[0],S=n[1],w=n[2];return Math.abs(g-T)0&&(c*=f=1/Math.sqrt(f),d*=f,p*=f);var h=l*p-u*d,m=u*c-s*p,g=s*d-l*c;return(f=h*h+m*m+g*g)>0&&(h*=f=1/Math.sqrt(f),m*=f,g*=f),e[0]=h,e[1]=m,e[2]=g,e[3]=0,e[4]=d*g-p*m,e[5]=p*h-c*g,e[6]=c*m-d*h,e[7]=0,e[8]=c,e[9]=d,e[10]=p,e[11]=0,e[12]=o,e[13]=i,e[14]=a,e[15]=1,e}function 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Ai(e,t){t.classHierarchy.push("vtkPlane"),e.distanceToPlane=e=>bi(e,t.origin,t.normal),e.projectPoint=(e,n)=>{xi(e,t.origin,t.normal,n)},e.projectVector=(e,n)=>_i(e,t.normal,n),e.push=e=>{if(0!==e)for(let n=0;n<3;n++)t.origin[n]+=e*t.normal[n]},e.generalizedProjectPoint=(e,n)=>{Ti(e,t.origin,t.normal,n)},e.evaluateFunction=(e,n,r)=>Array.isArray(e)?t.normal[0]*(e[0]-t.origin[0])+t.normal[1]*(e[1]-t.origin[1])+t.normal[2]*(e[2]-t.origin[2]):t.normal[0]*(e-t.origin[0])+t.normal[1]*(n-t.origin[1])+t.normal[2]*(r-t.origin[2]),e.evaluateGradient=e=>[t.normal[0],t.normal[1],t.normal[2]],e.intersectWithLine=(e,n)=>Si(e,n,t.origin,t.normal),e.intersectWithPlane=(e,n)=>wi(e,n,t.origin,t.normal)}const Ei={normal:[0,0,1],origin:[0,0,0]};function Di(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ei,n),gt.obj(e,t),gt.setGetArray(e,t,["normal","origin"],3),Ai(e,t)}var Ii={newInstance:gt.newInstance(Di,"vtkPlane"),extend:Di,...Ci};function Pi(e,t,n,r){const o=n[0]-t[0],i=n[1]-t[1],a=n[2]-t[2],s=e[0]-t[0],l=e[1]-t[1],u=e[2]-t[2];r[0]=i*u-a*l,r[1]=a*s-o*u,r[2]=o*l-i*s}function Oi(e,t,n,r){Pi(e,t,n,r);const o=Math.sqrt(r[0]*r[0]+r[1]*r[1]+r[2]*r[2]);0!==o&&(r[0]/=o,r[1]/=o,r[2]/=o)}const Ni={computeNormalDirection:Pi,computeNormal:Oi,intersectWithTriangle:function(e,t,n,r,o,i){let a=arguments.length>6&&void 0!==arguments[6]?arguments[6]:1e-6,s=!1;const l=[],u=[],c=[],d=[],p=[];Oi(e,t,n,d),Oi(r,o,i,p);const f=-Ln(d,e),h=-Ln(p,r),m=[Ln(p,e)+h,Ln(p,t)+h,Ln(p,n)+h];if(m[0]*m[1]>a&&m[0]*m[2]>a)return{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};const g=[Ln(d,r)+f,Ln(d,o)+f,Ln(d,i)+f];if(g[0]*g[1]>a&&g[0]*g[2]>a)return{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};if(Math.abs(d[0]-p[0])<1e-9&&Math.abs(d[1]-p[1])<1e-9&&Math.abs(d[2]-p[2])<1e-9&&Math.abs(f-h)<1e-9)return s=!0,{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};const v=[e,t,n],y=[r,o,i],b=Ln(d,p),x=(f-h*b)/(b*b-1),_=(h-f*b)/(b*b-1),T=[x*d[0]+_*p[0],x*d[1]+_*p[1],x*d[2]+_*p[2]],S=Bn(d,p,[]);Un(S);let w=0,C=0;const A=[],E=[];let D,I,P=50,O=50;for(let t=0;t<3;t++){const n=t,o=(t+1)%3,i=Ii.intersectWithLine(v[n],v[o],r,p);i.intersection&&i.t>0-a&&i.t<1+a&&(i.t<1+a&&i.t>1-a&&(P=w),A[w++]=Ln(i.x,S)-Ln(T,S));const s=Ii.intersectWithLine(y[n],y[o],e,d);s.intersection&&s.t>0-a&&s.t<1+a&&(s.t<1+a&&s.t>1-a&&(O=C),E[C++]=Ln(s.x,S)-Ln(T,S))}if(w>2){w--;const e=A[2];A[2]=A[P],A[P]=e}if(C>2){C--;const e=E[2];E[2]=E[O],E[O]=e}if(2!==w||2!==C)return{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};if(Number.isNaN(A[0])||Number.isNaN(A[1])||Number.isNaN(E[0])||Number.isNaN(E[1]))return{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};if(A[0]>A[1]){const e=A[1];A[1]=A[0],A[0]=e}if(E[0]>E[1]){const e=E[1];E[1]=E[0],E[0]=e}return A[1]2,e.intersectWithLine=(n,r,o,i,a)=>{const s={subId:0,t:Number.MAX_VALUE,intersect:0,betweenPoints:!1};a[2]=0;const l=[],u=o*o,c=[],d=[],p=[];t.points.getPoint(0,c),t.points.getPoint(1,d),t.points.getPoint(2,p);const f=[],h=[];if(Oi(c,d,p,f),0!==f[0]||0!==f[1]||0!==f[2]){const t=Ii.intersectWithLine(n,r,c,f);if(s.betweenPoints=t.betweenPoints,s.t=t.t,i[0]=t.x[0],i[1]=t.x[1],i[2]=t.x[2],!t.intersection)return a[0]=0,a[1]=0,s.intersect=0,s;const o=e.evaluatePosition(i,l,a,h);if(o.evaluation>=0)return o.dist2<=u?(s.intersect=1,s):(s.intersect=o.evaluation,s)}const m=zn(c,d),g=zn(d,p),v=zn(p,c);t.line||(t.line=Xo.newInstance()),m>g&&m>v?(t.line.getPoints().setPoint(0,c),t.line.getPoints().setPoint(1,d)):g>v&&g>m?(t.line.getPoints().setPoint(0,d),t.line.getPoints().setPoint(1,p)):(t.line.getPoints().setPoint(0,p),t.line.getPoints().setPoint(1,c));const y=t.line.intersectWithLine(n,r,o,i,a);if(s.betweenPoints=y.betweenPoints,s.t=y.t,y.intersect){const e=[],t=[],n=[];for(let r=0;r<3;r++)e[r]=c[r]-p[r],t[r]=d[r]-p[r],n[r]=i[r]-p[r];return a[0]=Ln(n,e)/v,a[1]=Ln(n,t)/g,s.intersect=1,s}return 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pa(e,t){t.classHierarchy.push("vtkOpenGLCellArrayBufferObject"),e.setType(ta.ARRAY_BUFFER),e.createVBO=function(n,r,o,i){let a=arguments.length>4&&void 0!==arguments[4]?arguments[4]:null;if(!n.getData()||!n.getData().length)return t.elementCount=0,0;t.blockSize=3,t.vertexOffset=0,t.normalOffset=0,t.tCoordOffset=0,t.tCoordComponents=0,t.colorComponents=0,t.colorOffset=0,t.customData=[];const s=i.points.getData();let l=null,u=null,c=null;const 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R=i.vertexOffset;f=function(e){if(a&&(a.points[R]=e,a.cells[R]=b+i.cellOffset),++R,h=3*e,t.coordShiftAndScaleEnabled?(D[I++]=(s[h++]-t.coordShift[0])*t.coordScale[0],D[I++]=(s[h++]-t.coordShift[1])*t.coordScale[1],D[I++]=(s[h++]-t.coordShift[2])*t.coordScale[2]):(D[I++]=s[h++],D[I++]=s[h++],D[I++]=s[h++]),null!==l&&(m=i.haveCellNormals?3*(b+i.cellOffset):3*e,D[I++]=l[m++],D[I++]=l[m++],D[I++]=l[m++]),t.customData.forEach((t=>{y=e*t.components;for(let e=0;e{null===e||e.constructor===Float64Array&&3===e.length?null===n||n.constructor===Float64Array&&3===n.length?(null!==t.coordShift&&null!==e&&en(e,t.coordShift)||(t.coordShift=e),null!==t.coordScale&&null!==n&&en(n,t.coordScale)||(t.coordScale=n),t.coordShiftAndScaleEnabled=function(e,t){return null!==e&&null!==t&&!(Zt(e,[0,0,0])&&Zt(t,[1,1,1]))}(t.coordShift,t.coordScale),t.coordShiftAndScaleEnabled?t.inverseShiftAndScaleMatrix=function(e,t){const n=new Float64Array(3);Xt(n,t);const r=new Float64Array(16);return 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va(e,t){t.classHierarchy.push("vtkShader"),e.compile=()=>{let e=t.context.VERTEX_SHADER;if(!t.source||!t.source.length||"Unknown"===t.shaderType)return!1;if(0!==t.handle&&(t.context.deleteShader(t.handle),t.handle=0),e="Fragment"===t.shaderType?t.context.FRAGMENT_SHADER:t.context.VERTEX_SHADER,t.handle=t.context.createShader(e),t.context.shaderSource(t.handle,t.source),t.context.compileShader(t.handle),!t.context.getShaderParameter(t.handle,t.context.COMPILE_STATUS)){const e=t.context.getShaderInfoLog(t.handle);return ga(`Error compiling shader '${t.source}': ${e}`),t.context.deleteShader(t.handle),t.handle=0,!1}return!0},e.cleanup=()=>{"Unknown"!==t.shaderType&&0!==t.handle&&(t.context.deleteShader(t.handle),t.handle=0,t.dirty=!0)}}const ya={shaderType:"Unknown",source:"",error:"",handle:0,dirty:!1,context:null};function ba(e,t){let n=arguments.length>2&&void 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No such uniform.`,!1;for(var o=arguments.length,i=new Array(o>1?o-1:0),a=1;a{const o=e.findUniform(n);return-1===o?(t.error=`Could not set uniform ${n} . No such uniform.`,!1):(t.context.uniform4fv(o,r),!0)},e.setUniform4i=function(n){const r=e.findUniform(n);if(-1===r)return t.error=`Could not set uniform ${n} . No such uniform.`,!1;for(var o=arguments.length,i=new Array(o>1?o-1:0),a=1;a{const o=e.findUniform(n);return-1===o?(t.error=`Could not set uniform ${n} . 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be used.",!1;if(0===t.handle){const e=t.context.createProgram();if(0===e)return t.error="Could not create shader program.",!1;t.handle=e,t.linked=!1}return"Vertex"===n.getShaderType()&&(0!==t.vertexShaderHandle&&t.context.detachShader(t.handle,t.vertexShaderHandle),t.vertexShaderHandle=n.getHandle()),"Fragment"===n.getShaderType()&&(0!==t.fragmentShaderHandle&&t.context.detachShader(t.handle,t.fragmentShaderHandle),t.fragmentShaderHandle=n.getHandle()),t.context.attachShader(t.handle,n.getHandle()),e.setLinked(!1),!0},e.detachShader=e=>{if(0===e.getHandle())return t.error="shader object was not initialized, cannot attach it.",!1;if("Unknown"===e.getShaderType())return t.error="Shader object is of type Unknown and cannot be used.",!1;switch(0===t.handle&&(t.error="This shader program has not been initialized yet."),e.getShaderType()){case"Vertex":return t.vertexShaderHandle!==e.getHandle()?(t.error="The supplied shader was not attached to this program.",!1):(t.context.detachShader(t.handle,e.getHandle()),t.vertexShaderHandle=0,t.linked=!1,!0);case"Fragment":return t.fragmentShaderHandle!==e.getHandle()?(t.error="The supplied shader was not attached to this program.",!1):(t.context.detachShader(t.handle,e.getHandle()),t.fragmentShaderHandle=0,t.linked=!1,!0);default:return!1}},e.setContext=e=>{t.context=e,t.vertexShader.setContext(e),t.fragmentShader.setContext(e),t.geometryShader.setContext(e)},e.setLastCameraMTime=e=>{t.lastCameraMTime=e}}const Sa={vertexShaderHandle:0,fragmentShaderHandle:0,geometryShaderHandle:0,vertexShader:null,fragmentShader:null,geometryShader:null,linked:!1,bound:!1,compiled:!1,error:"",handle:0,numberOfOutputs:0,attributesLocs:null,uniformLocs:null,md5Hash:0,context:null,lastCameraMTime:null};function wa(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Sa,n),t.attributesLocs={},t.uniformLocs={},t.vertexShader=xa.newInstance(),t.vertexShader.setShaderType("Vertex"),t.fragmentShader=xa.newInstance(),t.fragmentShader.setShaderType("Fragment"),t.geometryShader=xa.newInstance(),t.geometryShader.setShaderType("Geometry"),gt.obj(e,t),gt.get(e,t,["lastCameraMTime"]),gt.setGet(e,t,["error","handle","compiled","bound","md5Hash","vertexShader","fragmentShader","geometryShader","linked"]),Ta(e,t)}var Ca={newInstance:gt.newInstance(wa,"vtkShaderProgram"),extend:wa,substitute:function(e,t,n,r){const o="string"==typeof n?n:n.join("\n"),i=!1===r?t:new RegExp(t,"g"),a=e.replace(i,o);return{replace:a!==o,result:a}}};function Aa(e,t){t.classHierarchy.push("vtkOpenGLVertexArrayObject"),e.exposedMethod=()=>{},e.initialize=()=>{t.instancingExtension=null,t._openGLRenderWindow.getWebgl2()||(t.instancingExtension=t.context.getExtension("ANGLE_instanced_arrays")),!t.forceEmulation&&t._openGLRenderWindow&&t._openGLRenderWindow.getWebgl2()?(t.extension=null,t.supported=!0,t.handleVAO=t.context.createVertexArray()):(t.extension=t.context.getExtension("OES_vertex_array_object"),!t.forceEmulation&&t.extension?(t.supported=!0,t.handleVAO=t.extension.createVertexArrayOES()):t.supported=!1)},e.isReady=()=>0!==t.handleVAO||!1===t.supported,e.bind=()=>{if(e.isReady()||e.initialize(),e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(t.handleVAO):t.context.bindVertexArray(t.handleVAO);else if(e.isReady()){const e=t.context;for(let n=0;n0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,1):e.vertexAttribDivisor(o.index+n,1))}}}},e.release=()=>{if(e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(null):t.context.bindVertexArray(null);else if(e.isReady()){const e=t.context;for(let n=0;n0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,0):e.vertexAttribDivisor(o.index+n,0)),e.disableVertexAttribArray(o.index+n)}}}},e.shaderProgramChanged=()=>{e.release(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.handleProgram=0},e.releaseGraphicsResources=()=>{e.shaderProgramChanged(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.supported=!0,t.handleProgram=0},e.addAttributeArray=(t,n,r,o,i,a,s,l)=>e.addAttributeArrayWithDivisor(t,n,r,o,i,a,s,l,0,!1),e.addAttributeArrayWithDivisor=(n,r,o,i,a,s,l,u,c,d)=>{if(!n)return!1;if(!n.isBound()||0===r.getHandle()||r.getType()!==ta.ARRAY_BUFFER)return!1;if(0===t.handleProgram&&(t.handleProgram=n.getHandle()),e.isReady()||e.initialize(),!e.isReady()||t.handleProgram!==n.getHandle())return!1;const p=t.context,f={};if(f.name=o,f.index=p.getAttribLocation(t.handleProgram,o),f.offset=i,f.stride=a,f.type=s,f.size=l,f.normalize=u,f.isMatrix=d,f.divisor=c,-1===f.Index)return!1;if(r.bind(),p.enableVertexAttribArray(f.index),p.vertexAttribPointer(f.index,f.size,f.type,f.normalize,f.stride,f.offset),c>0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f.index,1):p.vertexAttribDivisor(f.index,1)),f.buffer=r.getHandle(),!t.supported){let e=!1;for(let n=0;n{const d=e.addAttributeArrayWithDivisor(n,r,o,i,a,s,l,u,c,!0);if(!d)return d;const p=t.context,f=p.getAttribLocation(t.handleProgram,o);for(let e=1;e0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f+e,1):p.vertexAttribDivisor(f+e,1));return!0},e.removeAttributeArray=n=>{if(!e.isReady()||0===t.handleProgram)return!1;if(!t.supported)for(let e=0;e{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))}}const Ea={forceEmulation:!1,handleVAO:0,handleProgram:0,supported:!0,buffers:null,context:null};function Da(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ea,n),t.buffers=[],gt.obj(e,t),gt.get(e,t,["supported"]),gt.setGet(e,t,["forceEmulation"]),Aa(e,t)}var Ia={newInstance:gt.newInstance(Da,"vtkOpenGLVertexArrayObject"),extend:Da};const Pa={Start:0,Points:0,Lines:1,Tris:2,TriStrips:3,TrisEdges:4,TriStripsEdges:5,End:6};function Oa(e,t){t.classHierarchy.push("vtkOpenGLHelper"),e.setOpenGLRenderWindow=e=>{t.context=e.getContext(),t.program.setContext(t.context),t.VAO.setOpenGLRenderWindow(e),t.CABO.setOpenGLRenderWindow(e)},e.releaseGraphicsResources=e=>{t.VAO.releaseGraphicsResources(),t.CABO.releaseGraphicsResources(),t.CABO.setElementCount(0)},e.drawArrays=(n,r,o,i)=>{if(t.CABO.getElementCount()){const a=e.getOpenGLMode(o),s=e.haveWideLines(n,r),l=t.context,u=l.getParameter(l.DEPTH_WRITEMASK);t.pointPicking&&l.depthMask(!1),a===l.LINES&&s?(e.updateShaders(n,r,i),l.drawArraysInstanced(a,0,t.CABO.getElementCount(),2*Math.ceil(r.getProperty().getLineWidth()))):(l.lineWidth(r.getProperty().getLineWidth()),e.updateShaders(n,r,i),l.drawArrays(a,0,t.CABO.getElementCount()),l.lineWidth(1));const c=(a===l.POINTS?1:0)||(a===l.LINES?2:3);return t.pointPicking&&l.depthMask(u),t.CABO.getElementCount()/c}return 0},e.getOpenGLMode=e=>{if(t.pointPicking)return t.context.POINTS;const n=t.primitiveType;return e===ua.POINTS||n===Pa.Points?t.context.POINTS:e===ua.WIREFRAME||n===Pa.Lines||n===Pa.TrisEdges||n===Pa.TriStripsEdges?t.context.LINES:t.context.TRIANGLES},e.haveWideLines=(e,n)=>n.getProperty().getLineWidth()>1&&!(t.CABO.getOpenGLRenderWindow()&&t.CABO.getOpenGLRenderWindow().getHardwareMaximumLineWidth()>=n.getProperty().getLineWidth()),e.getNeedToRebuildShaders=(t,n,r)=>!!(r.getNeedToRebuildShaders(e,t,n)||0===e.getProgram()||e.getShaderSourceTime().getMTime(){if(e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};o.buildShaders(i,n,r);const a=t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==e.getProgram()&&(e.setProgram(a),e.getVAO().releaseGraphicsResources()),e.getShaderSourceTime().modified()}else t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgram(e.getProgram());e.getVAO().bind(),o.setMapperShaderParameters(e,n,r),o.setPropertyShaderParameters(e,n,r),o.setCameraShaderParameters(e,n,r),o.setLightingShaderParameters(e,n,r),o.invokeShaderCallbacks(e,n,r)},e.setMapperShaderParameters=(n,r,o)=>{if(e.haveWideLines(n,r)){e.getProgram().setUniform2f("viewportSize",o.usize,o.vsize);const t=parseFloat(r.getProperty().getLineWidth()),n=t/2;e.getProgram().setUniformf("lineWidthStepSize",t/Math.ceil(t)),e.getProgram().setUniformf("halfLineWidth",n)}t.primitiveType===Pa.Points||r.getProperty().getRepresentation()===ua.POINTS?e.getProgram().setUniformf("pointSize",r.getProperty().getPointSize()):t.pointPicking&&e.getProgram().setUniformf("pointSize",e.getPointPickingPrimitiveSize())},e.replaceShaderPositionVC=(n,r,o)=>{let i=n.Vertex;i=Ca.substitute(i,"//VTK::PositionVC::Dec",["//VTK::PositionVC::Dec","uniform float pointSize;"]).result,i=Ca.substitute(i,"//VTK::PositionVC::Impl",["//VTK::PositionVC::Impl"," gl_PointSize = pointSize;"],!1).result,e.getOpenGLMode(o.getProperty().getRepresentation())===t.context.LINES&&e.haveWideLines(r,o)&&(i=Ca.substitute(i,"//VTK::PositionVC::Dec",["//VTK::PositionVC::Dec","uniform vec2 viewportSize;","uniform float lineWidthStepSize;","uniform float halfLineWidth;"]).result,i=Ca.substitute(i,"//VTK::PositionVC::Impl",["//VTK::PositionVC::Impl"," if (halfLineWidth > 0.0)"," {"," float offset = float(gl_InstanceID / 2) * lineWidthStepSize - halfLineWidth;"," vec4 tmpPos = gl_Position;"," vec3 tmpPos2 = tmpPos.xyz / tmpPos.w;"," tmpPos2.x = tmpPos2.x + 2.0 * mod(float(gl_InstanceID), 2.0) * offset / viewportSize[0];"," tmpPos2.y = tmpPos2.y + 2.0 * mod(float(gl_InstanceID + 1), 2.0) * offset / viewportSize[1];"," gl_Position = vec4(tmpPos2.xyz * tmpPos.w, tmpPos.w);"," }"]).result),n.Vertex=i},e.getPointPickingPrimitiveSize=()=>t.primitiveType===Pa.Points?2:t.primitiveType===Pa.Lines?4:6,e.getAllocatedGPUMemoryInBytes=()=>e.getCABO().getAllocatedGPUMemoryInBytes()}const Na={context:null,program:null,shaderSourceTime:null,VAO:null,attributeUpdateTime:null,CABO:null,primitiveType:0,pointPicking:!1};function Ma(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Na,n),gt.obj(e,t),t.shaderSourceTime={},gt.obj(t.shaderSourceTime),t.attributeUpdateTime={},gt.obj(t.attributeUpdateTime),gt.setGet(e,t,["program","shaderSourceTime","VAO","attributeUpdateTime","CABO","primitiveType","pointPicking"]),t.program=Ca.newInstance(),t.VAO=Ia.newInstance(),t.CABO=ma.newInstance(),Oa(e,t)}var Ra={newInstance:gt.newInstance(Ma),extend:Ma,primTypes:Pa};const Fa=e=>e,ka=1e-6;class La{constructor(){let e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this.matrix=f(new Float64Array(16)),this.tmp=new Float64Array(3),this.angleConv=e?s:Fa}rotateFromDirections(e,t){const n=new Float64Array(3),r=new Float64Array(3),o=new Float64Array(16);jt(n,e[0],e[1],e[2]),jt(r,t[0],t[1],t[2]),Kt(n,n),Kt(r,r);const i=qt(n,r);return i>=1||($t(this.tmp,n,r),Gt(this.tmp)1&&void 0!==arguments[1]?arguments[1]:0,n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:-1;if($n(un,this.matrix))return this;const r=-1===n?e.length:t+3*n;for(let n=t;n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ja,n),gt.obj(e,t),gt.setGet(e,t,["xLength","yLength","zLength","generate3DTextureCoordinates","generateFaces","generateLines"]),gt.setGetArray(e,t,["center","rotations"],3),gt.setGetArray(e,t,["matrix"],16),t._polys=Jr.newInstance({values:Uint16Array.from(Ga)}),t._lineCells=Jr.newInstance({values:Uint16Array.from(Ua)}),gt.moveToProtected(e,t,["polys","lineCells"]),gt.algo(e,t,0,1),za(e,t)}var Ha={newInstance:gt.newInstance(Wa,"vtkCubeSource"),extend:Wa};const{vtkErrorMacro:Xa}=gt;function Ka(e,t){t.classHierarchy.push("vtkImageDataOutlineFilter");const n={...e};e.requestData=(e,n)=>{const r=e[0];if(!r||!r.isA("vtkImageData"))return void Xa("Invalid or missing input");const o=r.getSpatialExtent();o?(t._cubeSource.setBounds(o),t._cubeSource.setMatrix(r.getIndexToWorld()),n[0]=t._cubeSource.getOutputData()):Xa("Unable to fetch spatial extents of input image.")},e.getMTime=()=>Math.max(n.getMTime(),t._cubeSource.getMTime()),e.setGenerateFaces=t._cubeSource.setGenerateFaces,e.setGenerateLines=t._cubeSource.setGenerateLines,e.getGenerateFaces=t._cubeSource.getGenerateFaces,e.getGenerateLines=t._cubeSource.getGenerateLines}const qa={};function $a(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,qa,n),gt.obj(e,t),gt.algo(e,t,1,1),t._cubeSource=Ha.newInstance(),gt.moveToProtected(e,t,["cubeSource","tmpOut"]),Ka(e,t)}var Ya={newInstance:gt.newInstance($a,"vtkImageDataOutlineFilter"),extend:$a};const Ja={CLAMP_TO_EDGE:0,REPEAT:1,MIRRORED_REPEAT:2},Qa={NEAREST:0,LINEAR:1,NEAREST_MIPMAP_NEAREST:2,NEAREST_MIPMAP_LINEAR:3,LINEAR_MIPMAP_NEAREST:4,LINEAR_MIPMAP_LINEAR:5};var Za={Wrap:Ja,Filter:Qa};const es=new Float32Array(1),ts=new Int32Array(es.buffer);var ns={fromHalf:function(e){const t=(32768&e)>>15,n=(31744&e)>>10,r=1023&e;return 0===n?(t?-1:1)*2**-14*(r/1024):31===n?r?NaN:1/0*(t?-1:1):(t?-1:1)*2**(n-15)*(1+r/1024)},toHalf:function(e){es[0]=e;const t=ts[0];let n=t>>16&32768,r=t>>12&2047;const o=t>>23&255;return o<103?n:o>142?(n|=31744,n|=(255===o?0:1)&&8388607&t,n):o<113?(r|=2048,n|=(r>>114-o)+(r>>113-o&1),n):(n|=o-112<<10|r>>1,n+=1&r,n)}};const{Wrap:rs,Filter:os}=Za,{VtkDataTypes:is}=Wr,{vtkDebugMacro:as,vtkErrorMacro:ss,vtkWarningMacro:ls}=vt,{toHalf:us}=ns;function cs(e,t){function n(e,n){let r=arguments.length>2&&void 0!==arguments[2]&&arguments[2];const o=[];let i=t.width*t.height*t.components;if(r&&(i*=t.depth),e!==is.FLOAT&&t.openGLDataType===t.context.FLOAT)for(let 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n=t.renderable.getCanvas();e.create2DFromRaw(n.width,n.height,4,is.UNSIGNED_CHAR,n,!0),e.activate(),e.sendParameters(),t.textureBuildTime.modified()}if(null!==t.renderable.getJsImageData()){const n=t.renderable.getJsImageData();t.renderable.getInterpolate()&&(t.generateMipmap=!0,e.setMinificationFilter(os.LINEAR_MIPMAP_LINEAR)),e.create2DFromRaw(n.width,n.height,4,is.UNSIGNED_CHAR,n.data,!0),e.activate(),e.sendParameters(),t.textureBuildTime.modified()}const n=t.renderable.getInputData(0);if(n&&n.getPointData().getScalars()){const r=n.getExtent(),o=n.getPointData().getScalars(),i=[];for(let e=0;e{e.deactivate(),t.context&&t.handle&&t.context.deleteTexture(t.handle),t.handle=0,t.numberOfDimensions=0,t.target=0,t.components=0,t.width=0,t.height=0,t.depth=0,e.resetFormatAndType()},e.createTexture=()=>{t.handle||(t.handle=t.context.createTexture(),t.target&&(t.context.bindTexture(t.target,t.handle),t.context.texParameteri(t.target,t.context.TEXTURE_MIN_FILTER,e.getOpenGLFilterMode(t.minificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_MAG_FILTER,e.getOpenGLFilterMode(t.magnificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_S,e.getOpenGLWrapMode(t.wrapS)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_T,e.getOpenGLWrapMode(t.wrapT)),t._openGLRenderWindow.getWebgl2()&&t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_R,e.getOpenGLWrapMode(t.wrapR)),t.context.bindTexture(t.target,null)))},e.getTextureUnit=()=>t._openGLRenderWindow?t._openGLRenderWindow.getTextureUnitForTexture(e):-1,e.activate=()=>{t._openGLRenderWindow.activateTexture(e),e.bind()},e.deactivate=()=>{t._openGLRenderWindow&&t._openGLRenderWindow.deactivateTexture(e)},e.releaseGraphicsResources=n=>{n&&t.handle&&(n.activateTexture(e),n.deactivateTexture(e),t.context.deleteTexture(t.handle),t.handle=0,t.numberOfDimensions=0,t.target=0,t.internalFormat=0,t.format=0,t.openGLDataType=0,t.components=0,t.width=0,t.height=0,t.depth=0,t.allocatedGPUMemoryInBytes=0),t.shaderProgram&&(t.shaderProgram.releaseGraphicsResources(n),t.shaderProgram=null)},e.bind=()=>{t.context.bindTexture(t.target,t.handle),t.autoParameters&&e.getMTime()>t.sendParametersTime.getMTime()&&e.sendParameters()},e.isBound=()=>{let e=!1;if(t.context&&t.handle){let n=0;t.target===t.context.TEXTURE_2D?n=t.context.TEXTURE_BINDING_2D:ls("impossible case"),e=t.context.getIntegerv(n)===t.handle}return e},e.sendParameters=()=>{t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_S,e.getOpenGLWrapMode(t.wrapS)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_T,e.getOpenGLWrapMode(t.wrapT)),t._openGLRenderWindow.getWebgl2()&&t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_R,e.getOpenGLWrapMode(t.wrapR)),t.context.texParameteri(t.target,t.context.TEXTURE_MIN_FILTER,e.getOpenGLFilterMode(t.minificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_MAG_FILTER,e.getOpenGLFilterMode(t.magnificationFilter)),t._openGLRenderWindow.getWebgl2()&&(t.context.texParameteri(t.target,t.context.TEXTURE_BASE_LEVEL,t.baseLevel),t.context.texParameteri(t.target,t.context.TEXTURE_MAX_LEVEL,t.maxLevel)),t.sendParametersTime.modified()},e.getInternalFormat=(n,r)=>(t._forceInternalFormat||(t.internalFormat=e.getDefaultInternalFormat(n,r)),t.internalFormat||as(`Unable to find suitable internal format for T=${n} NC= ${r}`),t.internalFormat),e.getDefaultInternalFormat=(e,n)=>{let r=0;return r=t._openGLRenderWindow.getDefaultTextureInternalFormat(e,n,t.oglNorm16Ext,t.useHalfFloat),r||(r||(as("Unsupported internal texture type!"),as(`Unable to find suitable internal format for T=${e} NC= ${n}`)),r)},e.setInternalFormat=n=>{t._forceInternalFormat=!0,n!==t.internalFormat&&(t.internalFormat=n,e.modified())},e.getFormat=(n,r)=>(t.format=e.getDefaultFormat(n,r),t.format),e.getDefaultFormat=(e,n)=>{if(t._openGLRenderWindow.getWebgl2())switch(n){case 1:return t.context.RED;case 2:return t.context.RG;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}else switch(n){case 1:return t.context.LUMINANCE;case 2:return t.context.LUMINANCE_ALPHA;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}},e.resetFormatAndType=()=>{t.format=0,t.internalFormat=0,t._forceInternalFormat=!1,t.openGLDataType=0},e.getDefaultDataType=e=>{if(t._openGLRenderWindow.getWebgl2())switch(e){case is.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case t.oglNorm16Ext&&!t.useHalfFloat&&is.SHORT:return t.context.SHORT;case t.oglNorm16Ext&&!t.useHalfFloat&&is.UNSIGNED_SHORT:return t.context.UNSIGNED_SHORT;case t.useHalfFloat&&is.SHORT:case t.useHalfFloat&&is.UNSIGNED_SHORT:return t.context.HALF_FLOAT;case is.FLOAT:case is.VOID:default:return t.context.FLOAT}switch(e){case is.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case is.FLOAT:case is.VOID:default:if(t.context.getExtension("OES_texture_float")&&t.context.getExtension("OES_texture_float_linear"))return t.context.FLOAT;{const e=t.context.getExtension("OES_texture_half_float");if(e&&t.context.getExtension("OES_texture_half_float_linear"))return e.HALF_FLOAT_OES}return t.context.UNSIGNED_BYTE}},e.getOpenGLDataType=function(n){let r=arguments.length>1&&void 0!==arguments[1]&&arguments[1];return t.openGLDataType&&!r||(t.openGLDataType=e.getDefaultDataType(n)),t.openGLDataType},e.getShiftAndScale=()=>{let e=0,n=1;switch(t.openGLDataType){case t.context.BYTE:n=127.5,e=n-128;break;case t.context.UNSIGNED_BYTE:n=255,e=0;break;case t.context.SHORT:n=32767.5,e=n-32768;break;case t.context.UNSIGNED_SHORT:n=65536,e=0;break;case t.context.INT:n=2147483647.5,e=n-2147483648;break;case t.context.UNSIGNED_INT:n=4294967295,e=0;case t.context.FLOAT:}return{shift:e,scale:n}},e.getOpenGLFilterMode=e=>{switch(e){case os.NEAREST:return t.context.NEAREST;case os.LINEAR:return t.context.LINEAR;case os.NEAREST_MIPMAP_NEAREST:return t.context.NEAREST_MIPMAP_NEAREST;case os.NEAREST_MIPMAP_LINEAR:return t.context.NEAREST_MIPMAP_LINEAR;case os.LINEAR_MIPMAP_NEAREST:return t.context.LINEAR_MIPMAP_NEAREST;case os.LINEAR_MIPMAP_LINEAR:return t.context.LINEAR_MIPMAP_LINEAR;default:return t.context.NEAREST}},e.getOpenGLWrapMode=e=>{switch(e){case rs.CLAMP_TO_EDGE:return t.context.CLAMP_TO_EDGE;case rs.REPEAT:return t.context.REPEAT;case rs.MIRRORED_REPEAT:return t.context.MIRRORED_REPEAT;default:return t.context.CLAMP_TO_EDGE}},e.create2DFromRaw=function(i,a,s,l,u){let c=arguments.length>5&&void 0!==arguments[5]&&arguments[5];if(e.getOpenGLDataType(l,!0),e.getInternalFormat(l,s),e.getFormat(l,s),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=s,t.width=i,t.height=a,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=[u],p=n(l,d),f=r(p);return t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,c),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(l)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=f[0]&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,f[0])):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,f[0]),t.generateMipmap&&t.context.generateMipmap(t.target),c&&t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,!1),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*s*t._openGLRenderWindow.getDefaultTextureByteSize(l,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.createCubeFromRaw=(i,a,s,l,u)=>{if(e.getOpenGLDataType(l),e.getInternalFormat(l,s),e.getFormat(l,s),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_CUBE_MAP,t.components=s,t.width=i,t.height=a,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),t.maxLevel=u.length/6-1,e.createTexture(),e.bind();const c=r(n(l,u)),d=[];let p=t.width,f=t.height;for(let e=0;e=1&&i>=1;){let a=null;n<=t.maxLevel&&(a=d[6*n+e]),o(l)?null!=a&&t.context.texSubImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,0,0,r,i,t.format,t.openGLDataType,a):t.context.texImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,t.internalFormat,r,i,0,t.format,t.openGLDataType,a),n++,r/=2,i/=2}}return t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*s*t._openGLRenderWindow.getDefaultTextureByteSize(l,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.createDepthFromRaw=(n,r,i,a)=>(e.getOpenGLDataType(i),t.format=t.context.DEPTH_COMPONENT,t._openGLRenderWindow.getWebgl2()?i===is.FLOAT?t.internalFormat=t.context.DEPTH_COMPONENT32F:t.internalFormat=t.context.DEPTH_COMPONENT16:t.internalFormat=t.context.DEPTH_COMPONENT,t.internalFormat&&t.format&&t.openGLDataType?(t.target=t.context.TEXTURE_2D,t.components=1,t.width=n,t.height=r,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(i)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=a&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,a)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,a),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(i,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0):(ss("Failed to determine texture parameters."),!1)),e.create2DFromImage=n=>{if(e.getOpenGLDataType(is.UNSIGNED_CHAR),e.getInternalFormat(is.UNSIGNED_CHAR,4),e.getFormat(is.UNSIGNED_CHAR,4),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=4,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1);const r=!(t._openGLRenderWindow.getWebgl2()||Pn(n.width)&&Pn(n.height)),i=document.createElement("canvas");i.width=r?In(n.width):n.width,i.height=r?In(n.height):n.height,t.width=i.width,t.height=i.height;const a=i.getContext("2d");a.translate(0,i.height),a.scale(1,-1),a.drawImage(n,0,0,n.width,n.height,0,0,i.width,i.height);const s=i;return o(is.UNSIGNED_CHAR)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=s&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,s)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,s),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(is.UNSIGNED_CHAR,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.create2DFilterableFromRaw=function(t,n,r,o,i){let a=arguments.length>5&&void 0!==arguments[5]&&arguments[5];return e.create2DFilterableFromDataArray(t,n,Wr.newInstance({numberOfComponents:r,dataType:o,values:i}),a)},e.create2DFilterableFromDataArray=function(t,n,r){let o=arguments.length>3&&void 0!==arguments[3]&&arguments[3];const{numComps:a,dataType:s,data:l}=i(r,o);e.create2DFromRaw(t,n,a,s,l)},e.create3DFromRaw=(i,a,s,l,u,c)=>{if(e.getOpenGLDataType(u),e.getInternalFormat(u,l),e.getFormat(u,l),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_3D,t.components=l,t.width=i,t.height=a,t.depth=s,t.numberOfDimensions=3,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=r(n(u,[c],!0));return 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I=Math.floor(n/x),P=Math.floor(r/_);for(let e=0;e{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.getMaximumTextureSize=e=>e&&e.isCurrent()?e.getIntegerv(e.MAX_TEXTURE_SIZE):-1}const ds={_openGLRenderWindow:null,_forceInternalFormat:!1,context:null,handle:0,sendParametersTime:null,textureBuildTime:null,numberOfDimensions:0,target:0,format:0,openGLDataType:0,components:0,width:0,height:0,depth:0,autoParameters:!0,wrapS:rs.CLAMP_TO_EDGE,wrapT:rs.CLAMP_TO_EDGE,wrapR:rs.CLAMP_TO_EDGE,minificationFilter:os.NEAREST,magnificationFilter:os.NEAREST,minLOD:-1e3,maxLOD:1e3,baseLevel:0,maxLevel:1e3,generateMipmap:!1,useHalfFloat:!0,oglNorm16Ext:null,allocatedGPUMemoryInBytes:0};function ps(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ds,n),Tt.extend(e,t,n),t.sendParametersTime={},je(t.sendParametersTime,{mtime:0}),t.textureBuildTime={},je(t.textureBuildTime,{mtime:0}),qe(e,t,["format","openGLDataType"]),$e(e,t,["keyMatrixTime","minificationFilter","magnificationFilter","wrapS","wrapT","wrapR","generateMipmap","oglNorm16Ext"]),He(e,t,["width","height","volumeInfo","components","handle","target","allocatedGPUMemoryInBytes"]),Ze(0,t,["openGLRenderWindow"]),cs(e,t)}const fs=rt(ps,"vtkOpenGLTexture");var hs={newInstance:fs,extend:ps,...Za};Dt("vtkTexture",fs);var ms=function(e,t){e.replaceShaderCoincidentOffset=(n,r,o)=>{const i=e.getCoincidentParameters(r,o);if(i&&(0!==i.factor||0!==i.offset)){let e=n.Fragment;e=Ca.substitute(e,"//VTK::Coincident::Dec",["uniform float cfactor;","uniform float coffset;"]).result,t.context.getExtension("EXT_frag_depth")&&(0!==i.factor?(e=Ca.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + 0.000016*coffset;").result),t._openGLRenderWindow.getWebgl2()&&(0!==i.factor?(e=Ca.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + 0.000016*coffset;").result),n.Fragment=e}}},gs=function(e,t){e.applyShaderReplacements=(e,t,n)=>{let r=null;if(t&&(r=t.ShaderReplacements),r)for(let t=0;t{e.getReplacedShaderTemplate(n,r,o),t.lastRenderPassShaderReplacement=t.currentRenderPass?t.currentRenderPass.getShaderReplacement():null,t.lastRenderPassShaderReplacement&&t.lastRenderPassShaderReplacement(n);const i=t.renderable.getViewSpecificProperties().OpenGL;e.applyShaderReplacements(n,i,!0),e.replaceShaderValues(n,r,o),e.applyShaderReplacements(n,i)},e.getReplacedShaderTemplate=(n,r,o)=>{const i=t.renderable.getViewSpecificProperties().OpenGL;e.getShaderTemplate(n,r,o);let a=n.Vertex;if(i){const e=i.VertexShaderCode;void 0!==e&&""!==e&&(a=e)}n.Vertex=a;let s=n.Fragment;if(i){const e=i.FragmentShaderCode;void 0!==e&&""!==e&&(s=e)}n.Fragment=s;let l=n.Geometry;if(i){const e=i.GeometryShaderCode;void 0!==e&&(l=e)}n.Geometry=l}};let vs;function ys(e,t){t.classHierarchy.push("vtkAbstractTransform","vtkHomogeneousTransform","vtkTransform"),e.transformPoint=(e,n)=>(Yt(n,e,t.matrix),n),e.transformPoints=(e,n)=>{const r=new Float64Array(3),o=new Float64Array(3);for(let i=0;i{e.setPreMultiplyFlag(!0)},e.postMultiply=()=>{e.setPreMultiplyFlag(!1)},e.transformMatrix=(e,n)=>(t.preMultiplyFlag?y(n,t.matrix,e):y(n,e,t.matrix),n),e.transformMatrices=(e,n)=>{const r=new Float64Array(16),o=new Float64Array(16),i=t.preMultiplyFlag?()=>y(o,t.matrix,r):()=>y(o,r,t.matrix);for(let t=0;tvs({matrix:Or.invertMatrix(Array.from(t.matrix),[],4),preMultiplyFlag:t.preMultiplyFlag})}const bs={preMultiplyFlag:!1,matrix:[...un]};function xs(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,bs,n),gt.obj(e,t),gt.setGet(e,t,["preMultiplyFlag"]),gt.setGetArray(e,t,["matrix"],16),ys(e,t)}vs=gt.newInstance(xs,"vtkTransform");var _s={newInstance:vs,extend:xs};const Ts=0,{vtkErrorMacro:Ss}=vt;function ws(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function Cs(e,t,n){return t.identity(n),e.reduce(((e,n,r)=>0===r?n?t.copy(e,n):t.identity(e):n?t.multiply(e,e,n):e),n)}function As(e,t){t.classHierarchy.push("vtkOpenGLImageResliceMapper"),e.buildPass=n=>{if(n){t.currentRenderPass=null,t._openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const n=t._openGLRenderer.getRenderable();t._openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera()),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow)}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t._openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getInputData(),t.currentInput?(e.updateResliceGeometry(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r),e.invokeEvent({type:"EndEvent"})):Ss("No input!")},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),r.getProperty().getInterpolationType()===Ts?(t.openGLTexture.setMinificationFilter(Qa.NEAREST),t.openGLTexture.setMagnificationFilter(Qa.NEAREST),t.colorTexture.setMinificationFilter(Qa.NEAREST),t.colorTexture.setMagnificationFilter(Qa.NEAREST),t.pwfTexture.setMinificationFilter(Qa.NEAREST),t.pwfTexture.setMagnificationFilter(Qa.NEAREST)):(t.openGLTexture.setMinificationFilter(Qa.LINEAR),t.openGLTexture.setMagnificationFilter(Qa.LINEAR),t.colorTexture.setMinificationFilter(Qa.LINEAR),t.colorTexture.setMagnificationFilter(Qa.LINEAR),t.pwfTexture.setMinificationFilter(Qa.LINEAR),t.pwfTexture.setMagnificationFilter(Qa.LINEAR)),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const r=t.currentInput;if(!r)return;const o=r.getPointData()?.getScalars();if(!o)return;t._scalars!==o&&(t._openGLRenderWindow.releaseGraphicsResourcesForObject(t._scalars),t._scalars=o);const i=o.getNumberOfComponents();let a=`${r.getMTime()}A${o.getMTime()}`;const s=t._openGLRenderWindow.getGraphicsResourceForObject(o);if(s?.vtkObj&&s?.hash===a&&t.openGLTextureString===a)t.openGLTexture=s.vtkObj,t.openGLTextureString=s.hash;else{t.openGLTexture||(t.openGLTexture=hs.newInstance(),t.openGLTexture.setOpenGLRenderWindow(t._openGLRenderWindow));const e=r.getDimensions();t.openGLTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.openGLTexture.releaseGraphicsResources(t._openGLRenderWindow),t.openGLTexture.resetFormatAndType(),t.openGLTexture.create3DFilterableFromDataArray(e[0],e[1],e[2],o),t.openGLTextureString=a,o&&t._openGLRenderWindow.setGraphicsResourceForObject(o,t.openGLTexture,t.openGLTextureString)}const l=n.getProperty(),u=l.getIndependentComponents(),c=u?i:1,d=u?2*c:1,p=l.getRGBTransferFunction();a=ws(l,p,c);const f=t._openGLRenderWindow.getGraphicsResourceForObject(p);if(f?.vtkObj&&f?.hash===a&&t.colorTextureString===a)t.colorTexture=f.vtkObj,t.colorTextureString=f.hash;else{const e=1024,n=new Uint8Array(e*d*3);if(t.colorTexture||(t.colorTexture=hs.newInstance(),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow)),p){const r=new Float32Array(3*e);for(let t=0;t0){const e=t.resliceGeom.getPointData().getNormals();e?r.normals=e:Ss("Slab mode requested without normals")}t.tris.getCABO().createVBO(n,"polys",ua.SURFACE,r)}t.VBOBuildString=g,t.VBOBuildTime.modified()},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const i=n.getProgram();if(n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())){i.isUniformUsed("texture1")&&i.setUniformi("texture1",t.openGLTexture.getTextureUnit()),i.isAttributeUsed("vertexWC")&&(n.getVAO().addAttributeArray(i,n.getCABO(),"vertexWC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ss("Error setting vertexWC in shader VAO.")),i.isAttributeUsed("normalWC")&&(n.getVAO().addAttributeArray(i,n.getCABO(),"normalWC",n.getCABO().getNormalOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ss("Error setting normalWC in shader VAO.")),i.isUniformUsed("slabThickness")&&i.setUniformf("slabThickness",t.renderable.getSlabThickness()),i.isUniformUsed("spacing")&&i.setUniform3fv("spacing",t.currentInput.getSpacing()),i.isUniformUsed("slabType")&&i.setUniformi("slabType",t.renderable.getSlabType()),i.isUniformUsed("slabType")&&i.setUniformi("slabType",t.renderable.getSlabType()),i.isUniformUsed("slabTrapezoid")&&i.setUniformi("slabTrapezoid",t.renderable.getSlabTrapezoidIntegration());const e=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null;if(i.isUniformUsed("WCTCMatrix")){const n=t.currentInput,r=n.getDimensions();c(t.tmpMat4,n.getIndexToWorld()),x(t.tmpMat4,t.tmpMat4,r),m(t.tmpMat4,t.tmpMat4),e&&y(t.tmpMat4,t.tmpMat4,e),i.setUniformMatrix("WCTCMatrix",t.tmpMat4)}i.isUniformUsed("vboScaling")&&i.setUniform3fv("vboScaling",n.getCABO().getCoordScale()),n.getAttributeUpdateTime().modified()}if(t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),n.getProgram().isUniformUsed("coffset")){const t=e.getCoincidentParameters(r,o);n.getProgram().setUniformf("coffset",t.offset),n.getProgram().isUniformUsed("cfactor")&&n.getProgram().setUniformf("cfactor",t.factor)}},e.setCameraShaderParameters=(e,n,o)=>{const i=t._openGLCamera.getKeyMatrices(n),a=t._openGLImageSlice.getKeyMatrices(),s=e.getCABO().getCoordShiftAndScaleEnabled()?e.getCABO().getInverseShiftAndScaleMatrix():null,l=e.getProgram();l.isUniformUsed("MCPCMatrix")&&(f(t.tmpMat4),l.setUniformMatrix("MCPCMatrix",Cs([i.wcpc,a.mcwc,s],r,t.tmpMat4))),l.isUniformUsed("MCVCMatrix")&&(f(t.tmpMat4),l.setUniformMatrix("MCVCMatrix",Cs([i.wcvc,a.mcwc,s],r,t.tmpMat4)))},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),i=r.getProperty(),a=i.getOpacity();o.setUniformf("opacity",a);const s=t.openGLTexture.getComponents(),l=i.getIndependentComponents();if(l)for(let e=0;e{const o=t.openGLTexture.getComponents(),i=r.getProperty().getIndependentComponents(),a=t.renderable.getSlabThickness(),s=t.renderable.getSlabType(),l=t.renderable.getSlabTrapezoidIntegration();let u=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(u=!0),!(!u&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&0!==e.getProgram()?.getHandle()&&t.lastTextureComponents===o&&t.lastIndependentComponents===i&&t.lastSlabThickness===a&&t.lastSlabType===s&&t.lastSlabTrapezoidIntegration===l||(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=i,t.lastSlabThickness=a,t.lastSlabType=s,t.lastSlabTrapezoidIntegration=l,0))},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkImageResliceMapperVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\n// all variables that represent positions or directions have a suffix\n// indicating the coordinate system they are in. The possible values are\n// MC - Model coordinates\n// WC - World coordinates\n// VC - View coordinates\n// DC - Display coordinates\n// TC - Texture coordinates\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\nvoid main()\n{\n //VTK::PositionVC::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Picking::Impl\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkImageResliceMapperFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the gpu image mapper fragment shader\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n // VC position of this fragment. This should not branch/return/discard.\n //VTK::PositionVC::Impl\n\n // Place any calls that require uniform flow (e.g. dFdx) here.\n //VTK::UniformFlow::Impl\n\n // Set gl_FragDepth here (gl_FragCoord.z by default)\n //VTK::Depth::Impl\n\n // Early depth peeling abort:\n //VTK::DepthPeeling::PreColor\n\n //VTK::TCoord::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n\n //VTK::DepthPeeling::Impl\n\n //VTK::Picking::Impl\n\n // handle coincident offsets\n //VTK::Coincident::Impl\n\n //VTK::ZBuffer::Impl\n\n //VTK::RenderPassFragmentShader::Impl\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{if(e.replaceShaderTCoord(n,r,o),e.replaceShaderPositionVC(n,r,o),t.haveSeenDepthRequest){let e=n.Fragment;e=Ca.substitute(e,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,e=Ca.substitute(e,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result,n.Fragment=e}e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderTCoord=(e,n,r)=>{let o=e.Vertex;const i=e.Geometry;let a=e.Fragment;const s=t.renderable.getSlabThickness();o=Ca.substitute(o,"//VTK::TCoord::Dec",["uniform mat4 WCTCMatrix;","out vec3 fragTexCoord;"]).result,o=Ca.substitute(o,"//VTK::TCoord::Impl",["fragTexCoord = (WCTCMatrix * vertexWC).xyz;"]).result;const l=t.openGLTexture.getComponents(),u=r.getProperty().getIndependentComponents();let c=["in vec3 fragTexCoord;","uniform highp sampler3D texture1;","uniform mat4 WCTCMatrix;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;"];if(u){for(let e=1;e0&&(c=c.concat(["uniform vec3 spacing;","uniform float slabThickness;","uniform int slabType;","uniform int slabTrapezoid;","uniform vec3 vboScaling;"]),c=c.concat(["vec4 compositeValue(vec4 currVal, vec4 valToComp, int trapezoid)","{"," vec4 retVal = vec4(1.0);"," if (slabType == 0) // min"," {"," retVal = min(currVal, valToComp);"," }"," else if (slabType == 1) // max"," {"," retVal = max(currVal, valToComp);"," }"," else if (slabType == 3) // sum"," {"," retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); "," }"," else // mean"," {"," retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); "," }"," return retVal;","}"])),a=Ca.substitute(a,"//VTK::TCoord::Dec",c).result;let d=["if (any(greaterThan(fragTexCoord, vec3(1.0))) || any(lessThan(fragTexCoord, vec3(0.0))))","{"," // set the background color and exit"," gl_FragData[0] = backgroundColor;"," return;","}","vec4 tvalue = texture(texture1, fragTexCoord);"];if(s>0&&(d=d.concat(["// Get the first and last samples","int numSlices = 1;","float scaling = min(min(spacing.x, spacing.y), spacing.z) * 0.5;","vec3 normalxspacing = scaling * normalWCVSOutput;","float distTraveled = length(normalxspacing);","int trapezoid = 0;","while (distTraveled < slabThickness * 0.5)","{"," distTraveled += length(normalxspacing);"," float fnumSlices = float(numSlices);"," if (distTraveled > slabThickness * 0.5)"," {"," // Before stepping outside the slab, sample at the boundaries"," normalxspacing = normalWCVSOutput * slabThickness * 0.5 / fnumSlices;"," trapezoid = slabTrapezoid;"," }"," vec3 fragTCoordNeg = (WCTCMatrix * vec4(vertexWCVSOutput.xyz - fnumSlices * normalxspacing * vboScaling, 1.0)).xyz;"," if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))"," {"," vec4 newVal = texture(texture1, fragTCoordNeg);"," tvalue = compositeValue(tvalue, newVal, trapezoid);"," numSlices += 1;"," }"," vec3 fragTCoordPos = (WCTCMatrix * vec4(vertexWCVSOutput.xyz + fnumSlices * normalxspacing * vboScaling, 1.0)).xyz;"," if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))"," {"," vec4 newVal = texture(texture1, fragTCoordPos);"," tvalue = compositeValue(tvalue, newVal, trapezoid);"," numSlices += 1;"," }","}","// Finally, if slab type is *mean*, divide the sum by the numSlices","if (slabType == 2)","{"," tvalue = tvalue / float(numSlices);","}"])),u){const e=["r","g","b","a"];for(let t=0;t{let i=n.Vertex;const a=n.Geometry;let s=n.Fragment;const l=t.renderable.getSlabThickness();let u=["attribute vec4 vertexWC;"];u=u.concat([`//${e.getMTime()}${t.resliceGeomUpdateString}`]),l>0&&(u=u.concat(["attribute vec3 normalWC;","varying vec3 normalWCVSOutput;","varying vec4 vertexWCVSOutput;"])),i=Ca.substitute(i,"//VTK::PositionVC::Dec",u).result;let c=["gl_Position = MCPCMatrix * vertexWC;"];l>0&&(c=c.concat(["normalWCVSOutput = normalWC;","vertexWCVSOutput = vertexWC;"])),i=Ca.substitute(i,"//VTK::PositionVC::Impl",c).result,i=Ca.substitute(i,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;","uniform mat4 MCVCMatrix;"]).result;let d=[];l>0&&(d=d.concat(["varying vec3 normalWCVSOutput;","varying vec4 vertexWCVSOutput;"])),s=Ca.substitute(s,"//VTK::PositionVC::Dec",d).result,n.Vertex=i,n.Geometry=a,n.Fragment=s},e.updateResliceGeometry=()=>{let e="";const n=t.currentInput,r=n?.getBounds();let o=!0,a=2;const s=t.renderable.getSlicePolyData(),l=t.renderable.getSlicePlane();if(s)e=e.concat(`PolyData${s.getMTime()}`);else if(l){e=e.concat(`Plane${l.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`));const t=function(e,t,n,r,o,a,s,l,u){var c=new i(9);return c[0]=e,c[1]=void 0,c[2]=void 0,c[3]=void 0,c[4]=void 0,c[5]=void 0,c[6]=void 0,c[7]=void 0,c[8]=void 0,c}(n?.getDirection());se(t,t);const r=[...l.getNormal()];Jt(r,r,t),[o,a]=function(e){Or.normalize(e);const t=[0,0,0];for(let n=0;n<3;++n){Qt(t),t[n]=1;const r=Or.dot(e,t);if(r<-.999||r>.999)return[!0,n]}return[!1,2]}(r)}else{const o=Ii.newInstance();o.setNormal(0,0,1);let i=[0,1,0,1,0,1];n&&(i=r),o.setOrigin(i[0],i[2],.5*(i[5]+i[4])),t.renderable.setSlicePlane(o),e=e.concat(`Plane${l?.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`))}if(!t.resliceGeom||t.resliceGeomUpdateString!==e){if(s)t.resliceGeom||(t.resliceGeom=ji.newInstance()),t.resliceGeom.getPoints().setData(s.getPoints().getData(),3),t.resliceGeom.getPolys().setData(s.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(s.getPointData().getNormals());else if(l)if(o){const e=new Float32Array(12),r=n.worldToIndex(l.getOrigin(),[0,0,0]),o=[(a+1)%3,(a+2)%3].sort(),i=n.getDimensions(),s=[0,i[0]-1,0,i[1]-1,0,i[2]-1];let u=0;for(let t=0;t<2;++t)for(let n=0;n<2;++n)e[u+a]=r[a],e[u+o[0]]=s[2*o[0]+n],e[u+o[1]]=s[2*o[1]+t],u+=3;t.transform.setMatrix(n.getIndexToWorld()),t.transform.transformPoints(e,e);const c=new Uint16Array(8);c[0]=3,c[1]=0,c[2]=1,c[3]=3,c[4]=3,c[5]=0,c[6]=3,c[7]=2;const d=l.getNormal();Or.normalize(d);const p=new Float32Array(12);for(let e=0;e<4;++e)p[3*e]=d[0],p[3*e+1]=d[1],p[3*e+2]=d[2];t.resliceGeom||(t.resliceGeom=ji.newInstance()),t.resliceGeom.getPoints().setData(e,3),t.resliceGeom.getPolys().setData(c,1);const f=Wr.newInstance({numberOfComponents:3,values:p,name:"Normals"});t.resliceGeom.getPointData().setNormals(f)}else{t.outlineFilter.setInputData(n),t.cutter.setInputConnection(t.outlineFilter.getOutputPort()),t.cutter.setCutFunction(l),t.lineToSurfaceFilter.setInputConnection(t.cutter.getOutputPort()),t.lineToSurfaceFilter.update(),t.resliceGeom||(t.resliceGeom=ji.newInstance());const e=t.lineToSurfaceFilter.getOutputData();t.resliceGeom.getPoints().setData(e.getPoints().getData(),3),t.resliceGeom.getPolys().setData(e.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(e.getPointData().getNormals());const r=l.getNormal(),o=t.resliceGeom.getNumberOfPoints();Or.normalize(r);const i=new Float32Array(3*o);for(let e=0;e{e&&(t.openGLTexture=e,t._externalOpenGLTexture=!0)}}const Es={VBOBuildTime:{},VBOBuildString:null,haveSeenDepthRequest:!1,lastHaveSeenDepthRequest:!1,lastIndependentComponents:!1,lastTextureComponents:0,lastSlabThickness:0,lastSlabTrapezoidIntegration:0,lastSlabType:-1,openGLTexture:null,openGLTextureString:null,colorTextureString:null,pwfTextureString:null,resliceGeom:null,resliceGeomUpdateString:null,tris:null,colorTexture:null,pwfTexture:null,_externalOpenGLTexture:!1,_scalars:null};const Ds=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Es,n),Tt.extend(e,t,n),ms(e,t,n),gs(e,t,n),t.tris=Ra.newInstance(),t.openGLTexture=null,t.colorTexture=null,t.pwfTexture=null,t.VBOBuildTime={},je(t.VBOBuildTime),t.tmpMat4=f(new Float64Array(16)),t.outlineFilter=Ya.newInstance(),t.outlineFilter.setGenerateFaces(!0),t.outlineFilter.setGenerateLines(!1),t.cubePolyData=ji.newInstance(),t.cutter=ea.newInstance(),t.lineToSurfaceFilter=$i.newInstance(),t.transform=_s.newInstance(),He(e,t,["openGLTexture"]),As(e,t)}),"vtkOpenGLImageResliceMapper");Dt("vtkImageResliceMapper",Ds);var Is={SlicingMode:{NONE:-1,I:0,J:1,K:2,X:3,Y:4,Z:5}},Ps="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexMC;\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// optional normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// material property values\n//VTK::Color::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// picking support\n//VTK::Picking::Dec\n\nvoid main()\n{\n //VTK::Color::Impl\n\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Clip::Impl\n\n //VTK::PrimID::Impl\n\n //VTK::PositionVC::Impl\n\n //VTK::Light::Impl\n\n //VTK::Picking::Impl\n}\n",Os="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the polydata mappers fragment shader\n\nuniform int PrimitiveIDOffset;\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// optional color passed in from the vertex shader, vertexColor\n//VTK::Color::Dec\n\n// optional surface normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// Depth Peeling Support\n//VTK::DepthPeeling::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// label outline \n//VTK::LabelOutline::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n//VTK::LabelOutlineHelperFunction\n\nvoid main()\n{\n // VC position of this fragment. This should not branch/return/discard.\n //VTK::PositionVC::Impl\n\n // Place any calls that require uniform flow (e.g. dFdx) here.\n //VTK::UniformFlow::Impl\n\n // Set gl_FragDepth here (gl_FragCoord.z by default)\n //VTK::Depth::Impl\n\n // Early depth peeling abort:\n //VTK::DepthPeeling::PreColor\n\n // Apple Bug\n //VTK::PrimID::Impl\n\n //VTK::Clip::Impl\n\n //VTK::Color::Impl\n\n // Generate the normal if we are not passed in one\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Light::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n\n //VTK::DepthPeeling::Impl\n\n //VTK::Picking::Impl\n\n // handle coincident offsets\n //VTK::Coincident::Impl\n\n //VTK::ZBuffer::Impl\n\n //VTK::RenderPassFragmentShader::Impl\n}\n";const{vtkErrorMacro:Ns}=vt,{SlicingMode:Ms}=Is;function Rs(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function Fs(e){const t=e.split("\n"),n=[];for(let e=0;e0&&n.push(r)}return n}function ks(e,t){t.classHierarchy.push("vtkOpenGLImageMapper"),e.buildPass=n=>{if(n){t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow);const n=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera()),t.renderable.isA("vtkImageMapper")&&t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(n.getActiveCamera())}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.getShaderTemplate=(e,t,n)=>{e.Vertex=Ps,e.Fragment=Os,e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let i=n.Vertex,a=n.Fragment;i=Ca.substitute(i,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,i=Ca.substitute(i,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result,i=Ca.substitute(i,"//VTK::TCoord::Impl","tcoordVCVSOutput = tcoordMC;").result,i=Ca.substitute(i,"//VTK::TCoord::Dec","attribute vec2 tcoordMC; varying vec2 tcoordVCVSOutput;").result;const s=t.openGLTexture.getComponents(),l=o.getProperty().getIndependentComponents();let u=["varying vec2 tcoordVCVSOutput;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D texture1;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform sampler2D labelOutlineTexture1;","uniform float opacity;","uniform float outlineOpacity;"];if(l){for(let e=1;e 0.01) {\n for (int i = -actualThickness; i <= actualThickness; i++) {\n for (int j = -actualThickness; j <= actualThickness; j++) {\n if (i == 0 || j == 0) {\n continue;\n }\n vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n gl_FragCoord.y + float(j),\n gl_FragCoord.z, gl_FragCoord.w);\n vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n float value = texture2D(texture1, neighborPosIS.xy).r;\n if (value != centerValue) {\n pixelOnBorder = true;\n break;\n }\n }\n if (pixelOnBorder == true) {\n break;\n }\n }\n if (pixelOnBorder == true) {\n gl_FragData[0] = vec4(tColor, outlineOpacity);\n }\n else {\n gl_FragData[0] = vec4(tColor, opacityToUse);\n }\n }\n #else\n float intensity = texture2D(texture1, tcoordVCVSOutput).r;\n vec3 tcolor = texture2D(colorTexture1, vec2(intensity * cscale0 + cshift0, 0.5)).rgb;\n float scalarOpacity = texture2D(pwfTexture1, vec2(intensity * pwfscale0 + pwfshift0, 0.5)).r;\n gl_FragData[0] = vec4(tcolor, scalarOpacity * opacity);\n #endif\n ")]).result;break;case 2:a=Ca.substitute(a,"//VTK::TCoord::Impl",["vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);","float intensity = tcolor.r*cscale0 + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(intensity, 0.5)).rgb, pwfscale0*tcolor.g + pwfshift0);"]).result;break;case 3:a=Ca.substitute(a,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, opacity);"]).result;break;default:a=Ca.substitute(a,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, tcolor.a);"]).result}t.haveSeenDepthRequest&&(a=Ca.substitute(a,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,a=Ca.substitute(a,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),n.Vertex=i,n.Fragment=a,e.replaceShaderClip(n,r,o),e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderClip=(e,n,r)=>{let o=e.Vertex,i=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(Ce("OpenGL has a limit of 6 clipping planes"),e=6),o=Ca.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=Ca.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,i=Ca.substitute(i,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,i=Ca.substitute(i,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=i},e.getNeedToRebuildShaders=(e,n,r)=>{const o=t.openGLTexture.getComponents(),i=r.getProperty().getIndependentComponents();let a=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(a=!0),!(!a&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&0!==e.getProgram()?.getHandle()&&t.lastTextureComponents===o&&t.lastIndependentComponents===i||(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=i,0))},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ns("Error setting vertexMC in shader VAO.")),n.getProgram().isAttributeUsed("tcoordMC")&&n.getCABO().getTCoordOffset()&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"tcoordMC",n.getCABO().getTCoordOffset(),n.getCABO().getStride(),t.context.FLOAT,n.getCABO().getTCoordComponents(),t.context.FALSE)||Ns("Error setting tcoordMC in shader VAO.")),n.getAttributeUpdateTime().modified());const i=t.openGLTexture.getTextureUnit();n.getProgram().setUniformi("texture1",i);const a=t.openGLTexture.getComponents(),s=o.getProperty().getIndependentComponents();if(s)for(let e=0;e6&&(Ce("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,i=r?c(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(h(i,i),y(i,i,r),h(i,i)),h(t.imagemat,t.currentInput.getIndexToWorld()),y(t.imagematinv,i,t.imagemat);const a=[];for(let n=0;n{const i=n.getProgram(),a=t.openGLImageSlice.getKeyMatrices(),s=t.currentInput,l=s.getIndexToWorld();y(t.imagemat,a.mcwc,l);const u=t.openGLCamera.getKeyMatrices(r);if(y(t.imagemat,u.wcpc,t.imagemat),n.getCABO().getCoordShiftAndScaleEnabled()){const e=n.getCABO().getInverseShiftAndScaleMatrix();y(t.imagemat,t.imagemat,e)}if(i.setUniformMatrix("MCPCMatrix",t.imagemat),!0===o.getProperty().getUseLabelOutline()){const n=s.getWorldToIndex(),o=s.getDimensions();i.setUniform3i("imageDimensions",o[0],o[1],1),i.setUniformMatrix("vWCtoIDX",n);const a=t.openGLCamera.getKeyMatrices(r);m(t.projectionToWorld,a.wcpc),t.openGLCamera.getKeyMatrices(r),i.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const l=e.getRenderTargetSize();i.setUniformf("vpWidth",l[0]),i.setUniformf("vpHeight",l[1]);const u=e.getRenderTargetOffset();i.setUniformf("vpOffsetX",u[0]/l[0]),i.setUniformf("vpOffsetY",u[1]/l[1])}},e.setPropertyShaderParameters=(e,t,n)=>{const r=e.getProgram(),o=n.getProperty().getOpacity();r.setUniformf("opacity",o)},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),t.labelOutlineThicknessTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),t.labelOutlineThicknessTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getCurrentImage(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):Ns("No input!")},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():yr(t.bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const o=t.currentInput;if(!o)return;const i=o.getPointData()&&o.getPointData().getScalars();if(!i)return;const a=i.getDataType(),s=i.getNumberOfComponents(),l=r.getProperty(),u=l.getInterpolationType(),c=l.getIndependentComponents(),d=c?s:1,p=c?2*d:1,f=l.getRGBTransferFunction(),h=Rs(l,f,d),m=t._openGLRenderWindow.getGraphicsResourceForObject(f);if(m?.vtkObj&&m?.hash===h&&t.colorTextureString===h)t.colorTexture=m.vtkObj,t.colorTextureString=m.hash;else{const e=1024,n=new Uint8Array(e*p*3);if(t.colorTexture||(t.colorTexture=hs.newInstance({resizable:!0}),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow)),u===Ts?(t.colorTexture.setMinificationFilter(Qa.NEAREST),t.colorTexture.setMagnificationFilter(Qa.NEAREST)):(t.colorTexture.setMinificationFilter(Qa.LINEAR),t.colorTexture.setMagnificationFilter(Qa.LINEAR)),f){const r=new Float32Array(3*e);for(let t=0;t1?1:0;const d=[Ms.X,Ms.Y,Ms.Z].includes(t.renderable.getSlicingMode())?x:_,p=o.getSpatialExtent(),f=i.getData();let h=null;if(b===Ms.I){h=new f.constructor(e[2]*e[1]*s);let t=0;for(let n=0;n{t.labelOutlineThicknessTexture||(t.labelOutlineThicknessTexture=hs.newInstance({resizable:!1}),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow));const n=e.getProperty().getLabelOutlineThickness(),r=t._openGLRenderWindow.getGraphicsResourceForObject(n),o=`${n.join("-")}`;if(r?.vtkObj&&r?.hash===o&&t.labelOutlineThicknessTextureString===o)t.labelOutlineThicknessTexture=r.vtkObj,t.labelOutlineThicknessTextureString=r.hash;else{const e=1024,r=1,i=new Uint8Array(e*r);for(let t=0;t{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]}}const Ls={VBOBuildTime:0,VBOBuildString:null,openGLTexture:null,tris:null,imagemat:null,imagematinv:null,colorTexture:null,pwfTexture:null,labelOutlineThicknessTexture:null,labelOutlineThicknessTextureString:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,_scalars:null};const Bs=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ls,n),Tt.extend(e,t,n),ms(e,t,n),gs(e,t,n),t.tris=Ra.newInstance(),t.imagemat=f(new Float64Array(16)),t.imagematinv=f(new Float64Array(16)),t.projectionToWorld=f(new Float64Array(16)),t.idxToView=f(new Float64Array(16)),t.idxNormalMatrix=ae(new Float64Array(9)),t.modelToView=f(new Float64Array(16)),t.projectionToView=f(new Float64Array(16)),$e(e,t,[]),t.VBOBuildTime={},je(t.VBOBuildTime),ks(e,t)}),"vtkOpenGLImageMapper");Dt("vtkAbstractImageMapper",Bs);const{vtkErrorMacro:Vs}=gt;function Us(e,t,n){if(t.apply(e)){const t=e.getIndependentComponents();return`${e.getMTime()}-${t}-${n}`}return"0"}function Gs(e,t){t.classHierarchy.push("vtkOpenGLImageCPRMapper"),e.buildPass=n=>{n&&(t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.openGLCamera=t._openGLRenderer.getViewNodeFor(t._openGLRenderer.getRenderable().getActiveCamera()),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.volumeTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.pwfTexture.setOpenGLRenderWindow(t._openGLRenderWindow))},e.opaquePass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.opaqueZBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),e.invokeEvent({type:"EndEvent"}),t.renderable.preRenderCheck()&&(t.currentImageDataInput=t.renderable.getInputData(0),t.currentCenterlineInput=t.renderable.getOrientedCenterline(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r))},e.renderPieceStart=(t,n)=>{e.updateBufferObjects(t,n)},e.renderPieceDraw=(n,r)=>{const o=t.context;t.volumeTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.volumeTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>{const o=t.VBOBuildTime.getMTime();return o{const r=t.currentImageDataInput,o=t.currentCenterlineInput;n.getProperty().getInterpolationType()===Ts?(t.volumeTexture.setMinificationFilter(Qa.NEAREST),t.volumeTexture.setMagnificationFilter(Qa.NEAREST),t.colorTexture.setMinificationFilter(Qa.NEAREST),t.colorTexture.setMagnificationFilter(Qa.NEAREST),t.pwfTexture.setMinificationFilter(Qa.NEAREST),t.pwfTexture.setMagnificationFilter(Qa.NEAREST)):(t.volumeTexture.setMinificationFilter(Qa.LINEAR),t.volumeTexture.setMagnificationFilter(Qa.LINEAR),t.colorTexture.setMinificationFilter(Qa.LINEAR),t.colorTexture.setMagnificationFilter(Qa.LINEAR),t.pwfTexture.setMinificationFilter(Qa.LINEAR),t.pwfTexture.setMagnificationFilter(Qa.LINEAR));const i=r.getMTime();if(t.volumeTextureTime!==i){const e=r.getDimensions(),n=r.getPointData().getScalars();if(!n)return;t.volumeTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.volumeTexture.releaseGraphicsResources(t._openGLRenderWindow),t.volumeTexture.resetFormatAndType(),t.volumeTexture.create3DFilterableFromRaw(e[0],e[1],e[2],n.getNumberOfComponents(),n.getDataType(),n.getData(),t.renderable.getPreferSizeOverAccuracy()),t.volumeTextureTime=i}const a=r.getPointData()&&r.getPointData().getScalars();if(!a)return;const s=a.getNumberOfComponents(),l=n.getProperty(),u=l.getIndependentComponents(),c=u?s:1,d=u?2*c:1,p=Us(l,l.getRGBTransferFunction,c);if(t.colorTextureString!==p){const e=1024,n=new Uint8Array(e*d*3);let r=l.getRGBTransferFunction();if(r){const o=new Float32Array(3*e);for(let t=0;t{const o=t.volumeTexture.getComponents(),i=r.getProperty().getIndependentComponents(),a=!!t.renderable.getCenterPoint(),s=t.renderable.getUseUniformOrientation();return(0===e.getProgram()||t.lastUseCenterPoint!==a||t.lastUseUniformOrientation!==s||t.lastHaveSeenDepthRequest!==t.haveSeenDepthRequest||t.lastTextureComponents!==o||t.lastIndependentComponents!==i)&&(t.lastUseCenterPoint=a,t.lastUseUniformOrientation=s,t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=i,!0)},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.replaceShaderValues=(n,r,o)=>{let i=n.Vertex,a=n.Fragment;i=Ca.substitute(i,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,i=Ca.substitute(i,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result;const s=["attribute vec3 centerlinePosition;","attribute float quadIndex;","uniform float width;","out vec2 quadOffsetVSOutput;","out vec3 centerlinePosVSOutput;"],l=t.renderable.getUseUniformOrientation();l?s.push("out vec3 centerlineDirVSOutput;","uniform vec3 centerlineDirection;"):s.push("out vec3 centerlineTopDirVSOutput;","out vec3 centerlineBotDirVSOutput;","out float centerlineAngleVSOutput;","attribute vec3 centerlineTopDirection;","attribute vec3 centerlineBotDirection;"),i=Ca.substitute(i,"//VTK::Color::Dec",s).result;const u=["quadOffsetVSOutput = vec2(width * (mod(quadIndex, 2.0) == 0.0 ? -0.5 : 0.5), quadIndex > 1.0 ? 0.0 : 1.0);","centerlinePosVSOutput = centerlinePosition;"];l?u.push("centerlineDirVSOutput = centerlineDirection;"):u.push("vec3 sumVec = centerlineTopDirection + centerlineBotDirection;","float sumLen2 = dot(sumVec, sumVec);","float diffLen2 = 4.0 - sumLen2;","if (diffLen2 < 0.001) {"," // vectors are too close to each other, use lerp"," centerlineAngleVSOutput = -1.0; // use negative angle as a flag for lerp"," centerlineTopDirVSOutput = centerlineTopDirection;"," centerlineBotDirVSOutput = centerlineBotDirection;","} else if (sumLen2 == 0.0) {"," // vector are opposite to each other, don't make a choice for the user"," // use slerp without direction, it will display the centerline color on each row of pixel"," centerlineAngleVSOutput = 0.0;"," centerlineTopDirVSOutput = vec3(0.0);"," centerlineBotDirVSOutput = vec3(0.0);","} else {"," // use slerp"," centerlineAngleVSOutput = 2.0 * atan(sqrt(diffLen2/sumLen2));"," float sinAngle = sin(centerlineAngleVSOutput);"," centerlineTopDirVSOutput = centerlineTopDirection / sinAngle;"," centerlineBotDirVSOutput = centerlineBotDirection / sinAngle;","}"),i=Ca.substitute(i,"//VTK::Color::Impl",u).result;const c=t.volumeTexture.getComponents(),d=o.getProperty().getIndependentComponents();let p=["uniform mat4 MCTCMatrix; // Model coordinates to texture coordinates","in vec2 quadOffsetVSOutput;","in vec3 centerlinePosVSOutput;","uniform highp sampler3D volumeTexture;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;"];l?p.push("in vec3 centerlineDirVSOutput;"):p.push("in vec3 centerlineTopDirVSOutput;","in vec3 centerlineBotDirVSOutput;","in float centerlineAngleVSOutput;");const f=t.renderable.getCenterPoint();if(f&&p.push("uniform vec3 globalCenterPoint;"),d){for(let e=1;e{let o=e.Vertex,i=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(gt.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6),o=Ca.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=Ca.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,i=Ca.substitute(i,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,i=Ca.substitute(i,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=i},e.getShaderTemplate=(e,t,n)=>{e.Vertex=Ps,e.Fragment=Os,e.Geometry=""},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Vs("Error setting vertexMC in shader VAO.")),n.getCABO().getCustomData().forEach((e=>{e&&n.getProgram().isAttributeUsed(e.name)&&!n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),e.name,e.offset,n.getCABO().getStride(),t.context.FLOAT,e.components,t.context.FALSE)&&Vs(`Error setting ${e.name} in shader VAO.`)})),n.getAttributeUpdateTime().modified());const i=t.volumeTexture.getTextureUnit();if(n.getProgram().setUniformi("volumeTexture",i),n.getProgram().setUniformf("width",t.renderable.getWidth()),n.getProgram().setUniform4f("backgroundColor",...t.renderable.getBackgroundColor()),n.getProgram().isUniformUsed("centerlineDirection")){const e=t.renderable.getUniformDirection();n.getProgram().setUniform3fArray("centerlineDirection",e)}if(n.getProgram().isUniformUsed("globalCenterPoint")){const e=t.renderable.getCenterPoint();n.getProgram().setUniform3fArray("globalCenterPoint",e)}const a=t.currentImageDataInput,s=a.getWorldToIndex(),l=A(new Float32Array(16),Xt([],a.getDimensions())),u=re(l,l,s);if(n.getProgram().setUniformMatrix("MCTCMatrix",u),t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(gt.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,i=r?c(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(h(i,i),y(i,i,r),h(i,i)),h(t.imagemat,t.currentImageDataInput.getIndexToWorld()),y(t.imagematinv,i,t.imagemat);const a=[];for(let n=0;n{const o=t.openGLImageSlice.getKeyMatrices().mcwc,i=t.openGLCamera.getKeyMatrices(n).wcpc;if(y(t.imagemat,i,o),e.getCABO().getCoordShiftAndScaleEnabled()){const n=e.getCABO().getInverseShiftAndScaleMatrix();y(t.imagemat,t.imagemat,n)}e.getProgram().setUniformMatrix("MCPCMatrix",t.imagemat)},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),i=r.getProperty(),a=i.getOpacity();o.setUniformf("opacity",a);const s=t.volumeTexture.getComponents(),l=i.getIndependentComponents();if(l)for(let e=0;e{if(e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)}}const zs={currentRenderPass:null,volumeTexture:null,volumeTextureTime:0,colorTexture:null,colorTextureString:null,pwfTexture:null,pwfTextureString:null,tris:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,lastIndependentComponents:0,imagemat:null,imagematinv:null};const js=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,zs,n),Tt.extend(e,t,n),ms(e,t,n),gt.algo(e,t,2,0),t.tris=Ra.newInstance(),t.volumeTexture=hs.newInstance(),t.colorTexture=hs.newInstance(),t.pwfTexture=hs.newInstance(),t.imagemat=f(new Float64Array(16)),t.imagematinv=f(new Float64Array(16)),t.VBOBuildTime={},gt.obj(t.VBOBuildTime,{mtime:0}),Gs(e,t)}),"vtkOpenGLImageCPRMapper");function Ws(e,t){t.classHierarchy.push("vtkOpenGLImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes()}},e.traverseZBufferPass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseOpaqueZBufferPass=t=>e.traverseOpaquePass(t),e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t._openGLRenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.zBufferPass=(t,n)=>e.opaquePass(t,n),e.opaqueZBufferPass=(t,n)=>e.opaquePass(t,n),e.opaquePass=(e,n)=>{e&&t.context.depthMask(!0)},e.translucentPass=(e,n)=>{t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(c(t.keyMatrices.mcwc,t.renderable.getMatrix()),h(t.keyMatrices.mcwc,t.keyMatrices.mcwc),t.keyMatrixTime.modified()),t.keyMatrices)}Dt("vtkImageCPRMapper",js);const Hs={context:null,keyMatrixTime:null,keyMatrices:null};const Xs=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Hs,n),Tt.extend(e,t,n),t.keyMatrixTime={},je(t.keyMatrixTime,{mtime:0}),t.keyMatrices={mcwc:f(new Float64Array(16))},$e(e,t,["context"]),Ws(e,t)}),"vtkOpenGLImageSlice");function Ks(e,t){t.classHierarchy.push("vtkOpenGLVolume"),e.buildPass=n=>{t.renderable&&t.renderable.getVisibility()&&n&&(t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes())},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;n.incrementVolumeCount()}},e.traverseVolumePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children[0].traverse(n),e.apply(n,!1))},e.volumePass=e=>{t.renderable&&t.renderable.getVisibility()&&t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(t.renderable.computeMatrix(),c(t.MCWCMatrix,t.renderable.getMatrix()),h(t.MCWCMatrix,t.MCWCMatrix),t.renderable.getIsIdentity()?ae(t.normalMatrix):(ie(t.normalMatrix,t.MCWCMatrix),se(t.normalMatrix,t.normalMatrix),function(e,t){if(e===t){var n=t[1],r=t[2],o=t[5];e[1]=t[3],e[2]=t[6],e[3]=n,e[5]=t[7],e[6]=r,e[7]=o}else e[0]=t[0],e[1]=t[3],e[2]=t[6],e[3]=t[1],e[4]=t[4],e[5]=t[7],e[6]=t[2],e[7]=t[5],e[8]=t[8]}(t.normalMatrix,t.normalMatrix)),t.keyMatrixTime.modified()),{mcwc:t.MCWCMatrix,normalMatrix:t.normalMatrix})}Dt("vtkImageSlice",Xs);const qs={};const $s=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,qs,n),Tt.extend(e,t,n),t.keyMatrixTime={},je(t.keyMatrixTime,{mtime:0}),t.normalMatrix=new Float64Array(9),t.MCWCMatrix=new Float64Array(16),$e(e,t,["context"]),Ks(e,t)}),"vtkOpenGLVolume");function Ys(e,t){t.classHierarchy.push("vtkFramebuffer"),e.getBothMode=()=>t.context.FRAMEBUFFER,e.saveCurrentBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.saveCurrentBindings(n),e.saveCurrentBuffers(n)},e.saveCurrentBindings=e=>{if(!t.context)return void Ce("you must set the OpenGLRenderWindow before calling saveCurrentBindings");const n=t.context;t.previousDrawBinding=n.getParameter(t.context.FRAMEBUFFER_BINDING),t.previousActiveFramebuffer=t._openGLRenderWindow.getActiveFramebuffer()},e.saveCurrentBuffers=e=>{},e.restorePreviousBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.restorePreviousBindings(n),e.restorePreviousBuffers(n)},e.restorePreviousBindings=e=>{if(!t.context)return void Ce("you must set the OpenGLRenderWindow before calling restorePreviousBindings");const n=t.context;n.bindFramebuffer(n.FRAMEBUFFER,t.previousDrawBinding),t._openGLRenderWindow.setActiveFramebuffer(t.previousActiveFramebuffer)},e.restorePreviousBuffers=e=>{},e.bind=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,r=n;null===r&&(r=t.context.FRAMEBUFFER),t.context.bindFramebuffer(r,t.glFramebuffer);for(let e=0;e{t.context?(t.glFramebuffer=t.context.createFramebuffer(),t.glFramebuffer.width=e,t.glFramebuffer.height=n):Ce("you must set the OpenGLRenderWindow before calling create")},e.setColorBuffer=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const r=t.context;if(!r)return void Ce("you must set the OpenGLRenderWindow before calling setColorBuffer");let o=r.COLOR_ATTACHMENT0;if(n>0){if(!t._openGLRenderWindow.getWebgl2())return void Ce("Using multiple framebuffer attachments requires WebGL 2");o+=n}t.colorBuffers[n]=e,r.framebufferTexture2D(r.FRAMEBUFFER,o,r.TEXTURE_2D,e.getHandle(),0)},e.removeColorBuffer=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;const n=t.context;if(!n)return void Ce("you must set the OpenGLRenderWindow before calling removeColorBuffer");let r=n.COLOR_ATTACHMENT0;if(e>0){if(!t._openGLRenderWindow.getWebgl2())return void Ce("Using multiple framebuffer attachments requires WebGL 2");r+=e}n.framebufferTexture2D(n.FRAMEBUFFER,r,n.TEXTURE_2D,null,0),t.colorBuffers=t.colorBuffers.splice(e,1)},e.setDepthBuffer=e=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const n=t.context;n.framebufferTexture2D(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.TEXTURE_2D,e.getHandle(),0)}else Ce("Attaching depth buffer textures to fbo requires WebGL 2");else Ce("you must set the OpenGLRenderWindow before calling setDepthBuffer")},e.removeDepthBuffer=()=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const e=t.context;e.framebufferTexture2D(e.FRAMEBUFFER,e.DEPTH_ATTACHMENT,e.TEXTURE_2D,null,0)}else Ce("Attaching depth buffer textures to framebuffers requires WebGL 2");else Ce("you must set the OpenGLRenderWindow before calling removeDepthBuffer")},e.getGLFramebuffer=()=>t.glFramebuffer,e.setOpenGLRenderWindow=n=>{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.releaseGraphicsResources=()=>{t.glFramebuffer&&t.context.deleteFramebuffer(t.glFramebuffer)},e.getSize=()=>{const e=[0,0];return null!==t.glFramebuffer&&(e[0]=t.glFramebuffer.width,e[1]=t.glFramebuffer.height),e},e.populateFramebuffer=()=>{if(!t.context)return void Ce("you must set the OpenGLRenderWindow before calling populateFrameBuffer");e.bind();const n=t.context,r=hs.newInstance();r.setOpenGLRenderWindow(t._openGLRenderWindow),r.setMinificationFilter(Qa.LINEAR),r.setMagnificationFilter(Qa.LINEAR),r.create2DFromRaw(t.glFramebuffer.width,t.glFramebuffer.height,4,on.UNSIGNED_CHAR,null),e.setColorBuffer(r),t.depthTexture=n.createRenderbuffer(),n.bindRenderbuffer(n.RENDERBUFFER,t.depthTexture),n.renderbufferStorage(n.RENDERBUFFER,n.DEPTH_COMPONENT16,t.glFramebuffer.width,t.glFramebuffer.height),n.framebufferRenderbuffer(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.RENDERBUFFER,t.depthTexture)},e.getColorTexture=()=>t.colorBuffers[0]}Dt("vtkVolume",$s);const Js={glFramebuffer:null,colorBuffers:null,depthTexture:null,previousDrawBinding:0,previousReadBinding:0,previousDrawBuffer:0,previousReadBuffer:0,previousActiveFramebuffer:null};function Qs(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Js,n),je(e,t),t.colorBuffers&&Ce("you cannot initialize colorBuffers through the constructor. You should call setColorBuffer() instead."),t.colorBuffers=[],Ye(e,t,["colorBuffers"]),Ys(e,t)}var Zs={newInstance:rt(Qs,"vtkFramebuffer"),extend:Qs};const el={NEAREST:0,LINEAR:1,FAST_LINEAR:2},tl={FRACTIONAL:0,PROPORTIONAL:1};var nl={InterpolationType:el,OpacityMode:tl};const rl={COMPOSITE_BLEND:0,MAXIMUM_INTENSITY_BLEND:1,MINIMUM_INTENSITY_BLEND:2,AVERAGE_INTENSITY_BLEND:3,ADDITIVE_INTENSITY_BLEND:4,RADON_TRANSFORM_BLEND:5};var ol={BlendMode:rl,FilterMode:{OFF:0,NORMALIZED:1,RAW:2}};const{vtkWarningMacro:il,vtkErrorMacro:al}=vt;function sl(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function ll(e,t){t.classHierarchy.push("vtkOpenGLVolumeMapper"),e.buildPass=()=>{t.zBufferTexture=null},e.zBufferPass=(e,n)=>{if(e){const e=n.getZBufferTexture();e!==t.zBufferTexture&&(t.zBufferTexture=e)}},e.opaqueZBufferPass=(t,n)=>e.zBufferPass(t,n),e.volumePass=(n,r)=>{if(n){t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.jitterTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.scalarTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.opacityTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.openGLVolume=e.getFirstAncestorOfType("vtkOpenGLVolume");const n=t.openGLVolume.getRenderable();t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const r=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(r.getActiveCamera()),e.renderPiece(r,n)}},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexDC;\n\nvarying vec3 vertexVCVSOutput;\nuniform mat4 PCVCMatrix;\n\nuniform float dcxmin;\nuniform float dcxmax;\nuniform float dcymin;\nuniform float dcymax;\n\nvoid main()\n{\n // dcsmall is the device coords reduced to the\n // x y area covered by the volume\n vec4 dcsmall = vec4(\n dcxmin + 0.5 * (vertexDC.x + 1.0) * (dcxmax - dcxmin),\n dcymin + 0.5 * (vertexDC.y + 1.0) * (dcymax - dcymin),\n vertexDC.z,\n vertexDC.w);\n vec4 vcpos = PCVCMatrix * dcsmall;\n vertexVCVSOutput = vcpos.xyz/vcpos.w;\n gl_Position = dcsmall;\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkVolumeFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the volume mappers fragment shader\n\n// the output of this shader\n//VTK::Output::Dec\n\nvarying vec3 vertexVCVSOutput;\n\n// first declare the settings from the mapper\n// that impact the code paths in here\n\n// always set vtkNumComponents 1,2,3,4\n//VTK::NumComponents\n\n// possibly define vtkTrilinearOn\n//VTK::TrilinearOn\n\n// possibly define vtkIndependentComponents\n//VTK::IndependentComponentsOn\n\n// possibly define any \"proportional\" components\n//VTK::vtkProportionalComponents\n\n// Define the blend mode to use\n#define vtkBlendMode //VTK::BlendMode\n\n// Possibly define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n#ifdef vtkImageLabelOutlineOn\n\nuniform float outlineOpacity;\nuniform float vpWidth;\nuniform float vpHeight;\nuniform float vpOffsetX;\nuniform float vpOffsetY;\nuniform mat4 PCWCMatrix;\nuniform mat4 vWCtoIDX;\n#endif\n\n// define vtkLightComplexity\n//VTK::LightComplexity\n#if vtkLightComplexity > 0\nuniform float vSpecularPower;\nuniform float vAmbient;\nuniform float vDiffuse;\nuniform float vSpecular;\n//VTK::Light::Dec\n#endif\n\n//VTK::VolumeShadowOn\n//VTK::SurfaceShadowOn\n//VTK::localAmbientOcclusionOn\n//VTK::LAO::Dec\n//VTK::VolumeShadow::Dec\n\n// define vtkComputeNormalFromOpacity\n//VTK::vtkComputeNormalFromOpacity\n\n// possibly define vtkGradientOpacityOn\n//VTK::GradientOpacityOn\n#ifdef vtkGradientOpacityOn\nuniform float goscale0;\nuniform float goshift0;\nuniform float gomin0;\nuniform float gomax0;\n#if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\nuniform float goscale1;\nuniform float goshift1;\nuniform float gomin1;\nuniform float gomax1;\n#if vtkNumComponents >= 3\nuniform float goscale2;\nuniform float goshift2;\nuniform float gomin2;\nuniform float gomax2;\n#endif\n#if vtkNumComponents >= 4\nuniform float goscale3;\nuniform float goshift3;\nuniform float gomin3;\nuniform float gomax3;\n#endif\n#endif\n#endif\n\n// if you want to see the raw tiled\n// data in webgl1 uncomment the following line\n// #define debugtile\n\n// camera values\nuniform float camThick;\nuniform float camNear;\nuniform float camFar;\nuniform int cameraParallel;\n\n// values describing the volume geometry\nuniform vec3 vOriginVC;\nuniform vec3 vSpacing;\nuniform ivec3 volumeDimensions; // 3d texture dimensions\nuniform vec3 vPlaneNormal0;\nuniform float vPlaneDistance0;\nuniform vec3 vPlaneNormal1;\nuniform float vPlaneDistance1;\nuniform vec3 vPlaneNormal2;\nuniform float vPlaneDistance2;\nuniform vec3 vPlaneNormal3;\nuniform float vPlaneDistance3;\nuniform vec3 vPlaneNormal4;\nuniform float vPlaneDistance4;\nuniform vec3 vPlaneNormal5;\nuniform float vPlaneDistance5;\n\n//VTK::ClipPlane::Dec\n\n// opacity and color textures\nuniform sampler2D otexture;\nuniform float oshift0;\nuniform float oscale0;\nuniform sampler2D ctexture;\nuniform float cshift0;\nuniform float cscale0;\n\n// jitter texture\nuniform sampler2D jtexture;\nuniform sampler2D ttexture;\n\n\n// some 3D texture values\nuniform float sampleDistance;\nuniform vec3 vVCToIJK;\n\n// the heights defined below are the locations\n// for the up to four components of the tfuns\n// the tfuns have a height of 2XnumComps pixels so the\n// values are computed to hit the middle of the two rows\n// for that component\n#ifdef vtkIndependentComponentsOn\n#if vtkNumComponents == 2\nuniform float mix0;\nuniform float mix1;\n#define height0 0.25\n#define height1 0.75\n#endif\n#if vtkNumComponents == 3\nuniform float mix0;\nuniform float mix1;\nuniform float mix2;\n#define height0 0.17\n#define height1 0.5\n#define height2 0.83\n#endif\n#if vtkNumComponents == 4\nuniform float mix0;\nuniform float mix1;\nuniform float mix2;\nuniform float mix3;\n#define height0 0.125\n#define height1 0.375\n#define height2 0.625\n#define height3 0.875\n#endif\n#endif\n\n#if vtkNumComponents >= 2\nuniform float oshift1;\nuniform float oscale1;\nuniform float cshift1;\nuniform float cscale1;\n#endif\n#if vtkNumComponents >= 3\nuniform float oshift2;\nuniform float oscale2;\nuniform float cshift2;\nuniform float cscale2;\n#endif\n#if vtkNumComponents >= 4\nuniform float oshift3;\nuniform float oscale3;\nuniform float cshift3;\nuniform float cscale3;\n#endif\n\nuniform vec4 ipScalarRangeMin;\nuniform vec4 ipScalarRangeMax;\n\n// declaration for intermixed geometry\n//VTK::ZBuffer::Dec\n\n//=======================================================================\n// global and custom variables (a temporary section before photorealistics rendering module is complete)\nvec3 rayDirVC;\nfloat sampleDistanceISVS;\nfloat sampleDistanceIS;\n\n#define SQRT3 1.7321\n#define INV4PI 0.0796\n#define EPSILON 0.001\n#define PI 3.1415\n#define PI2 9.8696\n\n//=======================================================================\n// Webgl2 specific version of functions\n#if __VERSION__ == 300\n\nuniform highp sampler3D texture1;\n\nvec4 getTextureValue(vec3 pos)\n{\n vec4 tmp = texture(texture1, pos);\n#if vtkNumComponents == 1\n tmp.a = tmp.r;\n#endif\n#if vtkNumComponents == 2\n tmp.a = tmp.g;\n#endif\n#if vtkNumComponents == 3\n tmp.a = length(tmp.rgb);\n#endif\n return tmp;\n}\n\n//=======================================================================\n// WebGL1 specific version of functions\n#else\n\nuniform sampler2D texture1;\n\nuniform float texWidth;\nuniform float texHeight;\nuniform int xreps;\nuniform int xstride;\nuniform int ystride;\n\n// if computing trilinear values from multiple z slices\n#ifdef vtkTrilinearOn\nvec4 getTextureValue(vec3 ijk)\n{\n float zoff = 1.0/float(volumeDimensions.z);\n vec4 val1 = getOneTextureValue(ijk);\n vec4 val2 = getOneTextureValue(vec3(ijk.xy, ijk.z + zoff));\n\n float indexZ = float(volumeDimensions)*ijk.z;\n float zmix = indexZ - floor(indexZ);\n\n return mix(val1, val2, zmix);\n}\n\nvec4 getOneTextureValue(vec3 ijk)\n#else // nearest or fast linear\nvec4 getTextureValue(vec3 ijk)\n#endif\n{\n vec3 tdims = vec3(volumeDimensions);\n\n#ifdef debugtile\n vec2 tpos = vec2(ijk.x, ijk.y);\n vec4 tmp = texture2D(texture1, tpos);\n tmp.a = 1.0;\n\n#else\n int z = int(ijk.z * tdims.z);\n int yz = z / xreps;\n int xz = z - yz*xreps;\n\n int tileWidth = volumeDimensions.x/xstride;\n int tileHeight = volumeDimensions.y/ystride;\n\n xz *= tileWidth;\n yz *= tileHeight;\n\n float ni = float(xz) + (ijk.x*float(tileWidth));\n float nj = float(yz) + (ijk.y*float(tileHeight));\n\n vec2 tpos = vec2(ni/texWidth, nj/texHeight);\n\n vec4 tmp = texture2D(texture1, tpos);\n\n#if vtkNumComponents == 1\n tmp.a = tmp.r;\n#endif\n#if vtkNumComponents == 2\n tmp.g = tmp.a;\n#endif\n#if vtkNumComponents == 3\n tmp.a = length(tmp.rgb);\n#endif\n#endif\n\n return tmp;\n}\n\n// End of Webgl1 specific code\n//=======================================================================\n#endif\n\n//=======================================================================\n// transformation between VC and IS space\n\n// convert vector position from idx to vc\n#if (vtkLightComplexity > 0) || (defined vtkClippingPlanesOn)\nvec3 IStoVC(vec3 posIS){\n vec3 posVC = posIS / vVCToIJK;\n return posVC.x * vPlaneNormal0 +\n posVC.y * vPlaneNormal2 +\n posVC.z * vPlaneNormal4 +\n vOriginVC;\n}\n\n// convert vector position from vc to idx\nvec3 VCtoIS(vec3 posVC){\n posVC = posVC - vOriginVC;\n posVC = vec3(\n dot(posVC, vPlaneNormal0),\n dot(posVC, vPlaneNormal2),\n dot(posVC, vPlaneNormal4));\n return posVC * vVCToIJK;\n}\n#endif\n\n//Rotate vector to view coordinate\n#if (vtkLightComplexity > 0) || (defined vtkGradientOpacityOn)\nvoid rotateToViewCoord(inout vec3 dirIS){\n dirIS.xyz =\n dirIS.x * vPlaneNormal0 +\n dirIS.y * vPlaneNormal2 +\n dirIS.z * vPlaneNormal4;\n}\n\n//Rotate vector to idx coordinate\nvec3 rotateToIDX(vec3 dirVC){\n vec3 dirIS;\n dirIS.xyz = vec3(\n dot(dirVC, vPlaneNormal0),\n dot(dirVC, vPlaneNormal2),\n dot(dirVC, vPlaneNormal4));\n return dirIS;\n}\n#endif\n\n//=======================================================================\n// Given a normal compute the gradient opacity factors\nfloat computeGradientOpacityFactor(\n float normalMag, float goscale, float goshift, float gomin, float gomax)\n{\n#if defined(vtkGradientOpacityOn)\n return clamp(normalMag * goscale + goshift, gomin, gomax);\n#else\n return 1.0;\n#endif\n}\n\n//=======================================================================\n// compute the normal and gradient magnitude for a position, uses forward difference\n#if (vtkLightComplexity > 0) || (defined vtkGradientOpacityOn)\n#ifdef vtkClippingPlanesOn\n void adjustClippedVoxelValues(vec3 pos, vec3 texPos[3], inout vec3 g1)\n {\n vec3 g1VC[3];\n for (int i = 0; i < 3; ++i)\n {\n g1VC[i] = IStoVC(texPos[i]);\n }\n vec3 posVC = IStoVC(pos);\n for (int i = 0; i < clip_numPlanes; ++i)\n {\n for (int j = 0; j < 3; ++j)\n {\n if(dot(vec3(vClipPlaneOrigins[i] - g1VC[j].xyz), vClipPlaneNormals[i]) > 0.0)\n {\n g1[j] = 0.0;\n }\n }\n }\n }\n#endif\n\n #ifdef vtkComputeNormalFromOpacity\n #ifdef vtkGradientOpacityOn\n vec4 computeDensityNormal(float gradientMag, vec3 scalarInterp[2])\n {\n #else\n //if gradient opacity not on but using density gradient\n vec4 computeDensityNormal(vec3 scalarInterp[2])\n {\n #endif\n vec3 opacityG1, opacityG2;\n opacityG1.x = texture2D(otexture, vec2(scalarInterp[0].x * oscale0 + oshift0, 0.5)).r;\n opacityG1.y = texture2D(otexture, vec2(scalarInterp[0].y * oscale0 + oshift0, 0.5)).r;\n opacityG1.z = texture2D(otexture, vec2(scalarInterp[0].z * oscale0 + oshift0, 0.5)).r;\n opacityG2.x = texture2D(otexture, vec2(scalarInterp[1].x * oscale0 + oshift0, 0.5)).r;\n opacityG2.y = texture2D(otexture, vec2(scalarInterp[1].y * oscale0 + oshift0, 0.5)).r;\n opacityG2.z = texture2D(otexture, vec2(scalarInterp[1].z * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n float gradOpacityFactor = 1.0f;\n if (gradientMag >= 0.0){\n gradOpacityFactor = computeGradientOpacityFactor(gradientMag, goscale0, goshift0, gomin0, gomax0);\n }\n opacityG1.xyz *= gradOpacityFactor;\n opacityG2.xyz *= gradOpacityFactor;\n #endif\n\n vec4 opacityG = vec4(opacityG1 - opacityG2, 1.0f);\n // divide by spacing\n opacityG.xyz /= vSpacing;\n opacityG.w = length(opacityG.xyz);\n // rotate to View Coords\n rotateToViewCoord(opacityG.xyz);\n if (length(opacityG.xyz) > 0.0) {\n return vec4(normalize(opacityG.xyz),opacityG.w);\n } else {\n return vec4(0.0);\n }\n }\n\n vec4 computeNormalForDensity(vec3 pos, vec3 tstep, out vec3 scalarInterp[2])\n {\n vec3 xvec = vec3(tstep.x, 0.0, 0.0);\n vec3 yvec = vec3(0.0, tstep.y, 0.0);\n vec3 zvec = vec3(0.0, 0.0, tstep.z);\n vec3 texPosPVec[3];\n texPosPVec[0] = pos + xvec;\n texPosPVec[1] = pos + yvec;\n texPosPVec[2] = pos + zvec;\n vec3 texPosNVec[3];\n texPosNVec[0] = pos - xvec;\n texPosNVec[1] = pos - yvec;\n texPosNVec[2] = pos - zvec;\n vec3 g1, g2;\n\n scalarInterp[0].x = getTextureValue(texPosPVec[0]).a;\n scalarInterp[0].y = getTextureValue(texPosPVec[1]).a;\n scalarInterp[0].z = getTextureValue(texPosPVec[2]).a;\n scalarInterp[1].x = getTextureValue(texPosNVec[0]).a;\n scalarInterp[1].y = getTextureValue(texPosNVec[1]).a;\n scalarInterp[1].z = getTextureValue(texPosNVec[2]).a;\n\n #ifdef vtkClippingPlanesOn\n adjustClippedVoxelValues(pos, texPosPVec, scalarInterp[0]);\n adjustClippedVoxelValues(pos, texPosNVec, scalarInterp[1]);\n #endif\n vec4 result;\n result.x = scalarInterp[0].x - scalarInterp[1].x;\n result.y = scalarInterp[0].y - scalarInterp[1].y;\n result.z = scalarInterp[0].z - scalarInterp[1].z;\n // divide by spacing\n result.xyz /= vSpacing;\n result.w = length(result.xyz);\n // rotate to View Coords\n rotateToViewCoord(result.xyz);\n if (length(result.xyz) > 0.0) {\n return vec4(normalize(result.xyz),result.w);\n } else {\n return vec4(0.0);\n }\n }\n #endif\n\n vec4 computeNormal(vec3 pos, vec3 tstep)\n {\n vec3 xvec = vec3(tstep.x, 0.0, 0.0);\n vec3 yvec = vec3(0.0, tstep.y, 0.0);\n vec3 zvec = vec3(0.0, 0.0, tstep.z);\n vec3 texPosPVec[3];\n texPosPVec[0] = pos + xvec;\n texPosPVec[1] = pos + yvec;\n texPosPVec[2] = pos + zvec;\n vec3 texPosNVec[3];\n texPosNVec[0] = pos - xvec;\n texPosNVec[1] = pos - yvec;\n texPosNVec[2] = pos - zvec;\n vec3 g1, g2;\n g1.x = getTextureValue(texPosPVec[0]).a;\n g1.y = getTextureValue(texPosPVec[1]).a;\n g1.z = getTextureValue(texPosPVec[2]).a;\n g2.x = getTextureValue(texPosNVec[0]).a;\n g2.y = getTextureValue(texPosNVec[1]).a;\n g2.z = getTextureValue(texPosNVec[2]).a;\n #ifdef vtkClippingPlanesOn\n adjustClippedVoxelValues(pos, texPosPVec, g1);\n adjustClippedVoxelValues(pos, texPosNVec, g2);\n #endif\n vec4 result;\n result = vec4(g1 - g2, -1.0);\n // divide by spacing\n result.xyz /= vSpacing;\n result.w = length(result.xyz);\n if (result.w > 0.0){\n // rotate to View Coords\n rotateToViewCoord(result.xyz);\n return vec4(normalize(result.xyz),result.w);\n } else {\n return vec4(0.0);\n }\n }\n#endif\n\n#ifdef vtkImageLabelOutlineOn\nvec3 fragCoordToIndexSpace(vec4 fragCoord) {\n vec4 pcPos = vec4(\n (fragCoord.x / vpWidth - vpOffsetX - 0.5) * 2.0,\n (fragCoord.y / vpHeight - vpOffsetY - 0.5) * 2.0,\n (fragCoord.z - 0.5) * 2.0,\n 1.0);\n\n vec4 worldCoord = PCWCMatrix * pcPos;\n vec4 vertex = (worldCoord/worldCoord.w);\n\n vec3 index = (vWCtoIDX * vertex).xyz;\n\n // half voxel fix for labelmapOutline\n return (index + vec3(0.5)) / vec3(volumeDimensions);\n}\n#endif\n\n//=======================================================================\n// compute the normals and gradient magnitudes for a position\n// for independent components\nmat4 computeMat4Normal(vec3 pos, vec4 tValue, vec3 tstep)\n{\n mat4 result;\n vec4 distX = getTextureValue(pos + vec3(tstep.x, 0.0, 0.0)) - tValue;\n vec4 distY = getTextureValue(pos + vec3(0.0, tstep.y, 0.0)) - tValue;\n vec4 distZ = getTextureValue(pos + vec3(0.0, 0.0, tstep.z)) - tValue;\n\n // divide by spacing\n distX /= vSpacing.x;\n distY /= vSpacing.y;\n distZ /= vSpacing.z;\n\n mat3 rot;\n rot[0] = vPlaneNormal0;\n rot[1] = vPlaneNormal2;\n rot[2] = vPlaneNormal4;\n\n#if !defined(vtkComponent0Proportional)\n result[0].xyz = vec3(distX.r, distY.r, distZ.r);\n result[0].a = length(result[0].xyz);\n result[0].xyz *= rot;\n if (result[0].w > 0.0)\n {\n result[0].xyz /= result[0].w;\n }\n#endif\n\n// optionally compute the 2nd component\n#if vtkNumComponents >= 2 && !defined(vtkComponent1Proportional)\n result[1].xyz = vec3(distX.g, distY.g, distZ.g);\n result[1].a = length(result[1].xyz);\n result[1].xyz *= rot;\n if (result[1].w > 0.0)\n {\n result[1].xyz /= result[1].w;\n }\n#endif\n\n// optionally compute the 3rd component\n#if vtkNumComponents >= 3 && !defined(vtkComponent2Proportional)\n result[2].xyz = vec3(distX.b, distY.b, distZ.b);\n result[2].a = length(result[2].xyz);\n result[2].xyz *= rot;\n if (result[2].w > 0.0)\n {\n result[2].xyz /= result[2].w;\n }\n#endif\n\n// optionally compute the 4th component\n#if vtkNumComponents >= 4 && !defined(vtkComponent3Proportional)\n result[3].xyz = vec3(distX.a, distY.a, distZ.a);\n result[3].a = length(result[3].xyz);\n result[3].xyz *= rot;\n if (result[3].w > 0.0)\n {\n result[3].xyz /= result[3].w;\n }\n#endif\n\n return result;\n}\n\n//=======================================================================\n// global shadow - secondary ray\n#if defined(VolumeShadowOn) || defined(localAmbientOcclusionOn)\nfloat random()\n{\n float rand = fract(sin(dot(gl_FragCoord.xy,vec2(12.9898,78.233)))*43758.5453123);\n float jitter=texture2D(jtexture,gl_FragCoord.xy/32.).r;\n uint pcg_state = floatBitsToUint(jitter);\n uint state = pcg_state;\n pcg_state = pcg_state * uint(747796405) + uint(2891336453);\n uint word = ((state >> ((state >> uint(28)) + uint(4))) ^ state) * uint(277803737);\n return (float((((word >> uint(22)) ^ word) >> 1 ))/float(2147483647) + rand)/2.0;\n}\n#endif\n\n#ifdef VolumeShadowOn\n// henyey greenstein phase function\nfloat phase_function(float cos_angle)\n{\n // divide by 2.0 instead of 4pi to increase intensity\n return ((1.0-anisotropy2)/pow(1.0+anisotropy2-2.0*anisotropy*cos_angle, 1.5))/2.0;\n}\n\n// Computes the intersection between a ray and a box\nstruct Hit\n{\n float tmin;\n float tmax;\n};\n\nstruct Ray\n{\n vec3 origin;\n vec3 dir;\n vec3 invDir;\n};\n\nbool BBoxIntersect(vec3 boundMin, vec3 boundMax, const Ray r, out Hit hit)\n{\n vec3 tbot = r.invDir * (boundMin - r.origin);\n vec3 ttop = r.invDir * (boundMax - r.origin);\n vec3 tmin = min(ttop, tbot);\n vec3 tmax = max(ttop, tbot);\n vec2 t = max(tmin.xx, tmin.yz);\n float t0 = max(t.x, t.y);\n t = min(tmax.xx, tmax.yz);\n float t1 = min(t.x, t.y);\n hit.tmin = t0;\n hit.tmax = t1;\n return t1 > max(t0,0.0);\n}\n\n// As BBoxIntersect requires the inverse of the ray coords,\n// this function is used to avoid numerical issues\nvoid safe_0_vector(inout Ray ray)\n{\n if(abs(ray.dir.x) < EPSILON) ray.dir.x = sign(ray.dir.x) * EPSILON;\n if(abs(ray.dir.y) < EPSILON) ray.dir.y = sign(ray.dir.y) * EPSILON;\n if(abs(ray.dir.z) < EPSILON) ray.dir.z = sign(ray.dir.z) * EPSILON;\n}\n\nfloat volume_shadow(vec3 posIS, vec3 lightDirNormIS)\n{\n float shadow = 1.0;\n float opacity = 0.0;\n\n // modify sample distance with a random number between 1.5 and 3.0\n float sampleDistanceISVS_jitter = sampleDistanceISVS * mix(1.5, 3.0, random());\n float opacityPrev = texture2D(otexture, vec2(getTextureValue(posIS).r * oscale0 + oshift0, 0.5)).r;\n\n // in case the first sample near surface has a very tiled light ray, we need to offset start position\n posIS += sampleDistanceISVS_jitter * lightDirNormIS;\n\n // compute the start and end points for the ray\n Ray ray;\n Hit hit;\n ray.origin = posIS;\n ray.dir = lightDirNormIS;\n safe_0_vector(ray);\n ray.invDir = 1.0/ray.dir;\n\n if(!BBoxIntersect(vec3(0.0),vec3(1.0), ray, hit))\n {\n return 1.0;\n }\n float maxdist = hit.tmax;\n\n // interpolate shadow ray length between: 1 unit of sample distance in IS to SQRT3, based on globalIlluminationReach\n float maxgi = mix(sampleDistanceISVS_jitter,SQRT3,giReach);\n maxdist = min(maxdist,maxgi);\n if(maxdist < EPSILON) {\n return 1.0;\n }\n\n // support gradient opacity\n #ifdef vtkGradientOpacityOn\n vec4 normal;\n #endif\n\n float current_dist = 0.0;\n float current_step = length(sampleDistanceISVS_jitter * lightDirNormIS);\n float clamped_step = 0.0;\n\n vec4 scalar = vec4(0.0);\n while(current_dist < maxdist)\n {\n#ifdef vtkClippingPlanesOn\n vec3 posVC = IStoVC(posIS);\n for (int i = 0; i < clip_numPlanes; ++i)\n {\n if (dot(vec3(vClipPlaneOrigins[i] - posVC), vClipPlaneNormals[i]) > 0.0)\n {\n current_dist = maxdist;\n }\n }\n#endif\n scalar = getTextureValue(posIS);\n opacity = texture2D(otexture, vec2(scalar.r * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n normal = computeNormal(posIS, vec3(1.0/vec3(volumeDimensions)));\n opacity *= computeGradientOpacityFactor(normal.w, goscale0, goshift0, gomin0, gomax0);\n #endif\n shadow *= 1.0 - opacity;\n\n // optimization: early termination\n if (shadow < EPSILON){\n return 0.0;\n }\n\n clamped_step = min(maxdist - current_dist, current_step);\n posIS += clamped_step * lightDirNormIS;\n current_dist += current_step;\n }\n\n return shadow;\n}\n\nvec3 applyShadowRay(vec3 tColor, vec3 posIS, vec3 viewDirectionVC)\n{\n vec3 vertLight = vec3(0.0);\n vec3 secondary_contrib = vec3(0.0);\n // here we assume only positional light, no effect of cones\n for (int i = 0; i < lightNum; i++)\n {\n #if(vtkLightComplexity==3)\n if (lightPositional[i] == 1){\n vertLight = lightPositionVC[i] - IStoVC(posIS);\n }else{\n vertLight = - lightDirectionVC[i];\n }\n #else\n vertLight = - lightDirectionVC[i];\n #endif\n // here we assume achromatic light, only intensity\n float dDotL = dot(viewDirectionVC, normalize(vertLight));\n // isotropic scatter returns 0.5 instead of 1/4pi to increase intensity\n float phase_attenuation = 0.5;\n if (abs(anisotropy) > EPSILON){\n phase_attenuation = phase_function(dDotL);\n }\n float vol_shadow = volume_shadow(posIS, normalize(rotateToIDX(vertLight)));\n secondary_contrib += tColor * vDiffuse * lightColor[i] * vol_shadow * phase_attenuation;\n secondary_contrib += tColor * vAmbient;\n }\n return secondary_contrib;\n}\n#endif\n\n//=======================================================================\n// local ambient occlusion\n#ifdef localAmbientOcclusionOn\nvec3 sample_direction_uniform(int i)\n{\n float rand = random() * 0.5;\n float theta = PI2 * (kernelSample[i][0] + rand);\n float phi = acos(2.0 * (kernelSample[i][1] + rand) -1.0) / 2.5;\n return normalize(vec3(cos(theta)*sin(phi), sin(theta)*sin(phi), cos(phi)));\n}\n\n// return a matrix that transform startDir into z axis; startDir should be normalized\nmat3 zBaseRotationalMatrix(vec3 startDir){\n vec3 axis = cross(startDir, vec3(0.0,0.0,1.0));\n float cosA = startDir.z;\n float k = 1.0 / (1.0 + cosA);\n mat3 matrix = mat3((axis.x * axis.x * k) + cosA, (axis.y * axis.x * k) - axis.z, (axis.z * axis.x * k) + axis.y,\n (axis.x * axis.y * k) + axis.z, (axis.y * axis.y * k) + cosA, (axis.z * axis.y * k) - axis.x,\n (axis.x * axis.z * k) - axis.y, (axis.y * axis.z * k) + axis.x, (axis.z * axis.z * k) + cosA);\n return matrix;\n}\n\nfloat computeLAO(vec3 posIS, float op, vec3 lightDir, vec4 normal){\n // apply LAO only at selected locations, otherwise return full brightness\n if (normal.w > 0.0 && op > 0.05){\n float total_transmittance = 0.0;\n mat3 inverseRotateBasis = inverse(zBaseRotationalMatrix(normalize(-normal.xyz)));\n vec3 currPos, randomDirStep;\n float weight, transmittance, opacity;\n for (int i = 0; i < kernelSize; i++)\n {\n randomDirStep = inverseRotateBasis * sample_direction_uniform(i) * sampleDistanceIS;\n weight = 1.0 - dot(normalize(lightDir), normalize(randomDirStep));\n currPos = posIS;\n transmittance = 1.0;\n for (int j = 0; j < kernelRadius ; j++){\n currPos += randomDirStep;\n // check if it's at clipping plane, if so return full brightness\n if (all(greaterThan(currPos, vec3(EPSILON))) && all(lessThan(currPos,vec3(1.0-EPSILON)))){\n opacity = texture2D(otexture, vec2(getTextureValue(currPos).r * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n opacity *= computeGradientOpacityFactor(normal.w, goscale0, goshift0, gomin0, gomax0);\n #endif\n transmittance *= 1.0 - opacity;\n }\n else{\n break;\n }\n }\n total_transmittance += transmittance / float(kernelRadius) * weight;\n\n // early termination if fully translucent\n if (total_transmittance > 1.0 - EPSILON){\n return 1.0;\n }\n }\n // average transmittance and reduce variance\n return clamp(total_transmittance / float(kernelSize), 0.3, 1.0);\n } else {\n return 1.0;\n }\n}\n#endif\n\n//=======================================================================\n// surface light contribution\n#if vtkLightComplexity > 0\n void applyLighting(inout vec3 tColor, vec4 normal)\n {\n vec3 diffuse = vec3(0.0, 0.0, 0.0);\n vec3 specular = vec3(0.0, 0.0, 0.0);\n float df, sf = 0.0;\n for (int i = 0; i < lightNum; i++){\n df = abs(dot(normal.rgb, -lightDirectionVC[i]));\n diffuse += df * lightColor[i];\n sf = pow( abs(dot(lightHalfAngleVC[i],normal.rgb)), vSpecularPower);\n specular += sf * lightColor[i];\n }\n tColor.rgb = tColor.rgb*(diffuse*vDiffuse + vAmbient) + specular*vSpecular;\n }\n #ifdef SurfaceShadowOn\n #if vtkLightComplexity < 3\n vec3 applyLightingDirectional(vec3 posIS, vec4 tColor, vec4 normal)\n {\n // everything in VC\n vec3 diffuse = vec3(0.0);\n vec3 specular = vec3(0.0);\n #ifdef localAmbientOcclusionOn\n vec3 ambient = vec3(0.0);\n #endif\n vec3 vertLightDirection;\n for (int i = 0; i < lightNum; i++){\n float ndotL,vdotR;\n vertLightDirection = lightDirectionVC[i];\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n }\n #ifdef localAmbientOcclusionOn\n return tColor.rgb * (diffuse * vDiffuse + vAmbient * ambient) + specular*vSpecular;\n #else\n return tColor.rgb * (diffuse * vDiffuse + vAmbient) + specular*vSpecular;\n #endif\n }\n #else\n vec3 applyLightingPositional(vec3 posIS, vec4 tColor, vec4 normal, vec3 posVC)\n {\n // everything in VC\n vec3 diffuse = vec3(0.0);\n vec3 specular = vec3(0.0);\n #ifdef localAmbientOcclusionOn\n vec3 ambient = vec3(0.0);\n #endif\n vec3 vertLightDirection;\n for (int i = 0; i < lightNum; i++){\n float distance,attenuation,ndotL,vdotR;\n vec3 lightDir;\n if (lightPositional[i] == 1){\n lightDir = lightDirectionVC[i];\n vertLightDirection = posVC - lightPositionVC[i];\n distance = length(vertLightDirection);\n vertLightDirection = normalize(vertLightDirection);\n attenuation = 1.0 / (lightAttenuation[i].x\n + lightAttenuation[i].y * distance\n + lightAttenuation[i].z * distance * distance);\n // per OpenGL standard cone angle is 90 or less for a spot light\n if (lightConeAngle[i] <= 90.0){\n float coneDot = dot(vertLightDirection, lightDir);\n if (coneDot >= cos(radians(lightConeAngle[i]))){ // if inside cone\n attenuation = attenuation * pow(coneDot, lightExponent[i]);\n }\n else {\n attenuation = 0.0;\n }\n }\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * attenuation * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * attenuation * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n } else {\n vertLightDirection = lightDirectionVC[i];\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n }\n }\n #ifdef localAmbientOcclusionOn\n return tColor.rgb * (diffuse * vDiffuse + vAmbient * ambient) + specular*vSpecular;\n #else\n return tColor.rgb * (diffuse * vDiffuse + vAmbient) + specular*vSpecular;\n #endif\n }\n #endif\n #endif\n#endif\n\n//=======================================================================\n// Given a texture value compute the color and opacity\n//\nvec4 getColorForValue(vec4 tValue, vec3 posIS, vec3 tstep)\n{\n#ifdef vtkImageLabelOutlineOn\n vec3 centerPosIS = fragCoordToIndexSpace(gl_FragCoord); // pos in texture space\n vec4 centerValue = getTextureValue(centerPosIS);\n bool pixelOnBorder = false;\n vec4 tColor = texture2D(ctexture, vec2(centerValue.r * cscale0 + cshift0, 0.5));\n\n // Get alpha of segment from opacity function.\n tColor.a = texture2D(otexture, vec2(centerValue.r * oscale0 + oshift0, 0.5)).r;\n\n int segmentIndex = int(centerValue.r * 255.0);\n \n // Use texture sampling for outlineThickness\n float textureCoordinate = float(segmentIndex - 1) / 1024.0;\n float textureValue = texture2D(ttexture, vec2(textureCoordinate, 0.5)).r;\n\n int actualThickness = int(textureValue * 255.0);\n\n if (actualThickness == 0) {\n return vec4(0, 0, 1, 1);\n }\n\n // Only perform outline check on fragments rendering voxels that aren't invisible.\n // Saves a bunch of needless checks on the background.\n // TODO define epsilon when building shader?\n if (float(tColor.a) > 0.01) {\n for (int i = -actualThickness; i <= actualThickness; i++) {\n for (int j = -actualThickness; j <= actualThickness; j++) {\n if (i == 0 || j == 0) {\n continue;\n }\n\n vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n gl_FragCoord.y + float(j),\n gl_FragCoord.z, gl_FragCoord.w);\n\n vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n vec4 value = getTextureValue(neighborPosIS);\n\n // If any of my neighbours are not the same value as I\n // am, this means I am on the border of the segment.\n // We can break the loops\n if (any(notEqual(value, centerValue))) {\n pixelOnBorder = true;\n break;\n }\n }\n\n if (pixelOnBorder == true) {\n break;\n }\n }\n\n // If I am on the border, I am displayed at full opacity\n if (pixelOnBorder == true) {\n tColor.a = outlineOpacity;\n }\n }\n\n#else\n // compute the normal and gradient magnitude if needed\n // We compute it as a vec4 if possible otherwise a mat4\n //\n vec4 goFactor = vec4(1.0,1.0,1.0,1.0);\n\n // compute the normal vectors as needed\n #if (vtkLightComplexity > 0) || defined(vtkGradientOpacityOn)\n #if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\n mat4 normalMat = computeMat4Normal(posIS, tValue, tstep);\n #if !defined(vtkComponent0Proportional)\n vec4 normal0 = normalMat[0];\n #endif\n #if !defined(vtkComponent1Proportional)\n vec4 normal1 = normalMat[1];\n #endif\n #if vtkNumComponents > 2\n #if !defined(vtkComponent2Proportional)\n vec4 normal2 = normalMat[2];\n #endif\n #if vtkNumComponents > 3\n #if !defined(vtkComponent3Proportional)\n vec4 normal3 = normalMat[3];\n #endif\n #endif\n #endif\n #else\n vec4 normalLight;\n #ifdef vtkComputeNormalFromOpacity\n vec3 scalarInterp[2];\n vec4 normal0 = computeNormalForDensity(posIS, tstep, scalarInterp);\n if (length(normal0)>0.0){\n #ifdef vtkGradientOpacityOn\n normalLight = computeDensityNormal(normal0.w, scalarInterp);\n #else\n normalLight = computeDensityNormal(scalarInterp);\n #endif\n if (length(normalLight) == 0.0){\n normalLight = normal0;\n }\n }\n #else\n vec4 normal0 = computeNormal(posIS, tstep);\n normalLight = normal0;\n #endif\n #endif\n #endif\n\n // compute gradient opacity factors as needed\n #if defined(vtkGradientOpacityOn)\n #if !defined(vtkComponent0Proportional)\n goFactor.x =\n computeGradientOpacityFactor(normal0.a, goscale0, goshift0, gomin0, gomax0);\n #endif\n #if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\n #if !defined(vtkComponent1Proportional)\n goFactor.y =\n computeGradientOpacityFactor(normal1.a, goscale1, goshift1, gomin1, gomax1);\n #endif\n #if vtkNumComponents > 2\n #if !defined(vtkComponent2Proportional)\n goFactor.z =\n computeGradientOpacityFactor(normal2.a, goscale2, goshift2, gomin2, gomax2);\n #endif\n #if vtkNumComponents > 3\n #if !defined(vtkComponent3Proportional)\n goFactor.w =\n computeGradientOpacityFactor(normal3.a, goscale3, goshift3, gomin3, gomax3);\n #endif\n #endif\n #endif\n #endif\n #endif\n\n // single component is always independent\n #if vtkNumComponents == 1\n vec4 tColor = texture2D(ctexture, vec2(tValue.r * cscale0 + cshift0, 0.5));\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n if (tColor.a < EPSILON){\n return vec4(0.0);\n }\n #endif\n\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n vec4 tColor = mix0*texture2D(ctexture, vec2(tValue.r * cscale0 + cshift0, height0));\n #if !defined(vtkComponent0Proportional)\n tColor.a = goFactor.x*mix0*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, height0)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, height0)).r;\n tColor *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix0));\n #endif\n\n vec3 tColor1 = mix1*texture2D(ctexture, vec2(tValue.g * cscale1 + cshift1, height1)).rgb;\n #if !defined(vtkComponent1Proportional)\n tColor.a += goFactor.y*mix1*texture2D(otexture, vec2(tValue.g * oscale1 + oshift1, height1)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.g * oscale1 + oshift1, height1)).r;\n tColor1 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix1));\n #endif\n\n #if vtkNumComponents >= 3\n vec3 tColor2 = mix2*texture2D(ctexture, vec2(tValue.b * cscale2 + cshift2, height2)).rgb;\n #if !defined(vtkComponent2Proportional)\n tColor.a += goFactor.z*mix2*texture2D(otexture, vec2(tValue.b * oscale2 + oshift2, height2)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.b * oscale2 + oshift2, height2)).r;\n tColor2 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix2));\n #endif\n\n #if vtkNumComponents >= 4\n vec3 tColor3 = mix3*texture2D(ctexture, vec2(tValue.a * cscale3 + cshift3, height3)).rgb;\n #if !defined(vtkComponent3Proportional)\n tColor.a += goFactor.w*mix3*texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, height3)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, height3)).r;\n tColor3 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix3));\n #endif\n #endif\n #endif\n #else // then not independent\n\n #if vtkNumComponents == 2\n float lum = tValue.r * cscale0 + cshift0;\n float alpha = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale1 + oshift1, 0.5)).r;\n vec4 tColor = vec4(lum, lum, lum, alpha);\n #endif\n #if vtkNumComponents == 3\n vec4 tColor;\n tColor.r = tValue.r * cscale0 + cshift0;\n tColor.g = tValue.g * cscale1 + cshift1;\n tColor.b = tValue.b * cscale2 + cshift2;\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale0 + oshift0, 0.5)).r;\n #endif\n #if vtkNumComponents == 4\n vec4 tColor;\n tColor.r = tValue.r * cscale0 + cshift0;\n tColor.g = tValue.g * cscale1 + cshift1;\n tColor.b = tValue.b * cscale2 + cshift2;\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, 0.5)).r;\n #endif\n #endif // dependent\n\n // apply lighting if requested as appropriate\n #if vtkLightComplexity > 0\n #if !defined(vtkComponent0Proportional)\n #if vtkNumComponents == 1\n #ifdef SurfaceShadowOn\n #if vtkLightComplexity < 3\n vec3 tColorS = applyLightingDirectional(posIS, tColor, normalLight);\n #else\n vec3 tColorS = applyLightingPositional(posIS, tColor, normalLight, IStoVC(posIS));\n #endif\n #endif\n\n #ifdef VolumeShadowOn\n vec3 tColorVS = applyShadowRay(tColor.rgb, posIS, rayDirVC);\n #ifdef SurfaceShadowOn\n float vol_coef = volumetricScatteringBlending * (1.0 - tColor.a / 2.0) * (1.0 - atan(normalLight.w) * INV4PI);\n tColor.rgb = (1.0-vol_coef) * tColorS + vol_coef * tColorVS;\n #else\n tColor.rgb = tColorVS;\n #endif\n #else\n tColor.rgb = tColorS;\n #endif\n\n #else\n applyLighting(tColor.rgb, normal0);\n #endif\n #endif\n\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n #if !defined(vtkComponent1Proportional)\n applyLighting(tColor1, normal1);\n #endif\n #if vtkNumComponents >= 3\n #if !defined(vtkComponent2Proportional)\n applyLighting(tColor2, normal2);\n #endif\n #if vtkNumComponents >= 4\n #if !defined(vtkComponent3Proportional)\n applyLighting(tColor3, normal3);\n #endif\n #endif\n #endif\n #endif\n #endif\n\n// perform final independent blend as needed\n#if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n tColor.rgb += tColor1;\n#if vtkNumComponents >= 3\n tColor.rgb += tColor2;\n#if vtkNumComponents >= 4\n tColor.rgb += tColor3;\n#endif\n#endif\n#endif\n\n#endif\nreturn tColor;\n}\n\nbool valueWithinScalarRange(vec4 val, vec4 min, vec4 max) {\n bool withinRange = false;\n #if vtkNumComponents == 1\n if (val.r >= min.r && val.r <= max.r) {\n withinRange = true;\n }\n #endif\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents == 2\n if (val.r >= min.r && val.r <= max.r &&\n val.g >= min.g && val.g <= max.g) {\n withinRange = true;\n }\n #endif\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 3\n if (all(greaterThanEqual(val, ipScalarRangeMin)) &&\n all(lessThanEqual(val, ipScalarRangeMax))) {\n withinRange = true;\n }\n #endif\n return withinRange;\n}\n\n//=======================================================================\n// Apply the specified blend mode operation along the ray's path.\n//\nvoid applyBlend(vec3 posIS, vec3 endIS, vec3 tdims)\n{\n vec3 tstep = 1.0/tdims;\n\n // start slightly inside and apply some jitter\n vec3 delta = endIS - posIS;\n vec3 stepIS = normalize(delta)*sampleDistanceIS;\n float raySteps = length(delta)/sampleDistanceIS;\n\n // avoid 0.0 jitter\n float jitter = 0.01 + 0.99*texture2D(jtexture, gl_FragCoord.xy/32.0).r;\n float stepsTraveled = jitter;\n\n // local vars for the loop\n vec4 color = vec4(0.0, 0.0, 0.0, 0.0);\n vec4 tValue;\n vec4 tColor;\n\n // if we have less than one step then pick the middle point\n // as our value\n // if (raySteps <= 1.0)\n // {\n // posIS = (posIS + endIS)*0.5;\n // }\n\n // Perform initial step at the volume boundary\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n #if vtkBlendMode == 0 // COMPOSITE_BLEND\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n\n // handle very thin volumes\n if (raySteps <= 1.0)\n {\n tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps);\n gl_FragData[0] = tColor;\n return;\n }\n\n tColor.a = 1.0 - pow(1.0 - tColor.a, jitter);\n color = vec4(tColor.rgb*tColor.a, tColor.a);\n posIS += (jitter*stepIS);\n\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n\n float mix = (1.0 - color.a);\n\n // this line should not be needed but nvidia seems to not handle\n // the break correctly on windows/chrome 58 angle\n //mix = mix * sign(max(raySteps - stepsTraveled - 1.0, 0.0));\n\n color = color + vec4(tColor.rgb*tColor.a, tColor.a)*mix;\n stepsTraveled++;\n posIS += stepIS;\n if (color.a > 0.99) { color.a = 1.0; break; }\n }\n\n if (color.a < 0.99 && (raySteps - stepsTraveled) > 0.0)\n {\n posIS = endIS;\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps - stepsTraveled);\n\n float mix = (1.0 - color.a);\n color = color + vec4(tColor.rgb*tColor.a, tColor.a)*mix;\n }\n\n gl_FragData[0] = vec4(color.rgb/color.a, color.a);\n #endif\n #if vtkBlendMode == 1 || vtkBlendMode == 2\n // MAXIMUM_INTENSITY_BLEND || MINIMUM_INTENSITY_BLEND\n // Find maximum/minimum intensity along the ray.\n\n // Define the operation we will use (min or max)\n #if vtkBlendMode == 1\n #define OP max\n #else\n #define OP min\n #endif\n\n // If the clipping range is shorter than the sample distance\n // we can skip the sampling loop along the ray.\n if (raySteps <= 1.0)\n {\n gl_FragData[0] = getColorForValue(tValue, posIS, tstep);\n return;\n }\n\n vec4 value = tValue;\n posIS += (jitter*stepIS);\n\n // Sample along the ray until MaximumSamplesValue,\n // ending slightly inside the total distance\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n // If we have reached the last step, break\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // Update the maximum value if necessary\n value = OP(tValue, value);\n\n // Otherwise, continue along the ray\n stepsTraveled++;\n posIS += stepIS;\n }\n\n // Perform the last step along the ray using the\n // residual distance\n posIS = endIS;\n tValue = getTextureValue(posIS);\n value = OP(tValue, value);\n\n // Now map through opacity and color\n gl_FragData[0] = getColorForValue(value, posIS, tstep);\n #endif\n #if vtkBlendMode == 3 || vtkBlendMode == 4 //AVERAGE_INTENSITY_BLEND || ADDITIVE_BLEND\n vec4 sum = vec4(0.);\n\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n sum += tValue;\n }\n\n if (raySteps <= 1.0) {\n gl_FragData[0] = getColorForValue(sum, posIS, tstep);\n return;\n }\n\n posIS += (jitter*stepIS);\n\n // Sample along the ray until MaximumSamplesValue,\n // ending slightly inside the total distance\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n // If we have reached the last step, break\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // One can control the scalar range by setting the AverageIPScalarRange to disregard scalar values, not in the range of interest, from the average computation.\n // Notes:\n // - We are comparing all values in the texture to see if any of them\n // are outside of the scalar range. In the future we might want to allow\n // scalar ranges for each component.\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n // Sum the values across each step in the path\n sum += tValue;\n }\n stepsTraveled++;\n posIS += stepIS;\n }\n\n // Perform the last step along the ray using the\n // residual distance\n posIS = endIS;\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // One can control the scalar range by setting the IPScalarRange to disregard scalar values, not in the range of interest, from the average computation\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n sum += tValue;\n\n stepsTraveled++;\n }\n\n #if vtkBlendMode == 3 // Average\n sum /= vec4(stepsTraveled, stepsTraveled, stepsTraveled, 1.0);\n #endif\n\n gl_FragData[0] = getColorForValue(sum, posIS, tstep);\n #endif\n #if vtkBlendMode == 5 // RADON\n float normalizedRayIntensity = 1.0;\n\n // handle very thin volumes\n if (raySteps <= 1.0)\n {\n tValue = getTextureValue(posIS);\n normalizedRayIntensity = normalizedRayIntensity - sampleDistance*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n gl_FragData[0] = texture2D(ctexture, vec2(normalizedRayIntensity, 0.5));\n return;\n }\n\n posIS += (jitter*stepIS);\n\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar value\n tValue = getTextureValue(posIS);\n\n // Convert scalar value to normalizedRayIntensity coefficient and accumulate normalizedRayIntensity\n normalizedRayIntensity = normalizedRayIntensity - sampleDistance*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n\n posIS += stepIS;\n stepsTraveled++;\n }\n\n // map normalizedRayIntensity to color\n gl_FragData[0] = texture2D(ctexture, vec2(normalizedRayIntensity , 0.5));\n\n #endif\n}\n\n//=======================================================================\n// Compute a new start and end point for a given ray based\n// on the provided bounded clipping plane (aka a rectangle)\nvoid getRayPointIntersectionBounds(\n vec3 rayPos, vec3 rayDir,\n vec3 planeDir, float planeDist,\n inout vec2 tbounds, vec3 vPlaneX, vec3 vPlaneY,\n float vSize1, float vSize2)\n{\n float result = dot(rayDir, planeDir);\n if (abs(result) < 1e-6)\n {\n return;\n }\n result = -1.0 * (dot(rayPos, planeDir) + planeDist) / result;\n vec3 xposVC = rayPos + rayDir*result;\n vec3 vxpos = xposVC - vOriginVC;\n vec2 vpos = vec2(\n dot(vxpos, vPlaneX),\n dot(vxpos, vPlaneY));\n\n // on some apple nvidia systems this does not work\n // if (vpos.x < 0.0 || vpos.x > vSize1 ||\n // vpos.y < 0.0 || vpos.y > vSize2)\n // even just\n // if (vpos.x < 0.0 || vpos.y < 0.0)\n // fails\n // so instead we compute a value that represents in and out\n //and then compute the return using this value\n float xcheck = max(0.0, vpos.x * (vpos.x - vSize1)); // 0 means in bounds\n float check = sign(max(xcheck, vpos.y * (vpos.y - vSize2))); // 0 means in bounds, 1 = out\n\n tbounds = mix(\n vec2(min(tbounds.x, result), max(tbounds.y, result)), // in value\n tbounds, // out value\n check); // 0 in 1 out\n}\n\n//=======================================================================\n// given a\n// - ray direction (rayDir)\n// - starting point (vertexVCVSOutput)\n// - bounding planes of the volume\n// - optionally depth buffer values\n// - far clipping plane\n// compute the start/end distances of the ray we need to cast\nvec2 computeRayDistances(vec3 rayDir, vec3 tdims)\n{\n vec2 dists = vec2(100.0*camFar, -1.0);\n\n vec3 vSize = vSpacing*tdims;\n\n // all this is in View Coordinates\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal0, vPlaneDistance0, dists, vPlaneNormal2, vPlaneNormal4,\n vSize.y, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal1, vPlaneDistance1, dists, vPlaneNormal2, vPlaneNormal4,\n vSize.y, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal2, vPlaneDistance2, dists, vPlaneNormal0, vPlaneNormal4,\n vSize.x, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal3, vPlaneDistance3, dists, vPlaneNormal0, vPlaneNormal4,\n vSize.x, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal4, vPlaneDistance4, dists, vPlaneNormal0, vPlaneNormal2,\n vSize.x, vSize.y);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal5, vPlaneDistance5, dists, vPlaneNormal0, vPlaneNormal2,\n vSize.x, vSize.y);\n\n //VTK::ClipPlane::Impl\n\n // do not go behind front clipping plane\n dists.x = max(0.0,dists.x);\n\n // do not go PAST far clipping plane\n float farDist = -camThick/rayDir.z;\n dists.y = min(farDist,dists.y);\n\n // Do not go past the zbuffer value if set\n // This is used for intermixing opaque geometry\n //VTK::ZBuffer::Impl\n\n return dists;\n}\n\n//=======================================================================\n// Compute the index space starting position (pos) and end\n// position\n//\nvoid computeIndexSpaceValues(out vec3 pos, out vec3 endPos, vec3 rayDir, vec2 dists)\n{\n // compute starting and ending values in volume space\n pos = vertexVCVSOutput + dists.x*rayDir;\n pos = pos - vOriginVC;\n // convert to volume basis and origin\n pos = vec3(\n dot(pos, vPlaneNormal0),\n dot(pos, vPlaneNormal2),\n dot(pos, vPlaneNormal4));\n\n endPos = vertexVCVSOutput + dists.y*rayDir;\n endPos = endPos - vOriginVC;\n endPos = vec3(\n dot(endPos, vPlaneNormal0),\n dot(endPos, vPlaneNormal2),\n dot(endPos, vPlaneNormal4));\n\n float delta = length(endPos - pos);\n\n pos *= vVCToIJK;\n endPos *= vVCToIJK;\n\n float delta2 = length(endPos - pos);\n sampleDistanceIS = sampleDistance*delta2/delta;\n #ifdef VolumeShadowOn\n sampleDistanceISVS = sampleDistanceIS * volumeShadowSamplingDistFactor;\n #endif\n}\n\nvoid main()\n{\n\n if (cameraParallel == 1)\n {\n // Camera is parallel, so the rayDir is just the direction of the camera.\n rayDirVC = vec3(0.0, 0.0, -1.0);\n } else {\n // camera is at 0,0,0 so rayDir for perspective is just the vc coord\n rayDirVC = normalize(vertexVCVSOutput);\n }\n\n vec3 tdims = vec3(volumeDimensions);\n\n // compute the start and end points for the ray\n vec2 rayStartEndDistancesVC = computeRayDistances(rayDirVC, tdims);\n\n // do we need to composite? aka does the ray have any length\n // If not, bail out early\n if (rayStartEndDistancesVC.y <= rayStartEndDistancesVC.x)\n {\n discard;\n }\n\n // IS = Index Space\n vec3 posIS;\n vec3 endIS;\n computeIndexSpaceValues(posIS, endIS, rayDirVC, rayStartEndDistancesVC);\n\n // Perform the blending operation along the ray\n applyBlend(posIS, endIS, tdims);\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let i=n.Fragment;o.getProperty().getInterpolationType()===el.LINEAR&&(i=Ca.substitute(i,"//VTK::TrilinearOn","#define vtkTrilinearOn").result),!0===o.getProperty().getUseLabelOutline()&&(i=Ca.substitute(i,"//VTK::ImageLabelOutlineOn","#define vtkImageLabelOutlineOn").result);const a=t.scalarTexture.getComponents();i=Ca.substitute(i,"//VTK::NumComponents",`#define vtkNumComponents ${a}`).result;const s=o.getProperty().getIndependentComponents();if(s){i=Ca.substitute(i,"//VTK::IndependentComponentsOn","#define vtkIndependentComponentsOn").result;const e=[];for(let t=0;t0&&(i=Ca.substitute(i,"//VTK::vtkProportionalComponents",e.join("\n")).result)}const l=t.currentInput.getSpatialExtent(),u=t.currentInput.getSpacing(),c=new Float64Array(3);jt(c,(l[1]-l[0])*u[0],(l[3]-l[2])*u[1],(l[5]-l[4])*u[2]);const d=Gt(c)/e.getCurrentSampleDistance(r);i=Ca.substitute(i,"//VTK::MaximumSamplesValue",`${Math.ceil(d)}`).result,i=Ca.substitute(i,"//VTK::LightComplexity",`#define vtkLightComplexity ${t.lastLightComplexity}`).result,t.lastLightComplexity>0&&(t.renderable.getVolumetricScatteringBlending()>0&&(i=Ca.substitute(i,"//VTK::VolumeShadowOn","#define VolumeShadowOn").result),t.renderable.getVolumetricScatteringBlending()<1&&(i=Ca.substitute(i,"//VTK::SurfaceShadowOn","#define SurfaceShadowOn").result),t.renderable.getLocalAmbientOcclusion()&&o.getProperty().getAmbient()>0&&(i=Ca.substitute(i,"//VTK::localAmbientOcclusionOn","#define localAmbientOcclusionOn").result)),t.gopacity=o.getProperty().getUseGradientOpacity(0);for(let e=1;s&&!t.gopacity&&e{if(0===t.lastLightComplexity)return;let o=e.Fragment,i=0;n.getLights().forEach((e=>{e.getSwitch()&&(i+=1)})),o=Ca.substitute(o,"//VTK::Light::Dec",["uniform int lightNum;","uniform bool twoSidedLighting;",`uniform vec3 lightColor[${i}];`,`uniform vec3 lightDirectionVC[${i}]; // normalized`,`uniform vec3 lightHalfAngleVC[${i}];`,"//VTK::Light::Dec"],!1).result,3===t.lastLightComplexity&&(o=Ca.substitute(o,"//VTK::Light::Dec",[`uniform vec3 lightPositionVC[${i}];`,`uniform vec3 lightAttenuation[${i}];`,`uniform float lightConeAngle[${i}];`,`uniform float lightExponent[${i}];`,`uniform int lightPositional[${i}];`],!1).result),t.renderable.getVolumetricScatteringBlending()>0&&(o=Ca.substitute(o,"//VTK::VolumeShadow::Dec",["uniform float volumetricScatteringBlending;","uniform float giReach;","uniform float volumeShadowSamplingDistFactor;","uniform float anisotropy;","uniform float anisotropy2;"],!1).result),t.renderable.getLocalAmbientOcclusion()&&r.getProperty().getAmbient()>0&&(o=Ca.substitute(o,"//VTK::LAO::Dec",["uniform int kernelRadius;",`uniform vec2 kernelSample[${t.renderable.getLAOKernelRadius()}];`,"uniform int kernelSize;"],!1).result),e.Fragment=o},e.replaceShaderClippingPlane=(e,n,r)=>{let o=e.Fragment;if(t.renderable.getClippingPlanes().length>0){const e=t.renderable.getClippingPlanes().length;o=Ca.substitute(o,"//VTK::ClipPlane::Dec",["uniform vec3 vClipPlaneNormals[6];","uniform float vClipPlaneDistances[6];","uniform vec3 vClipPlaneOrigins[6];","uniform int clip_numPlanes;","//VTK::ClipPlane::Dec","#define vtkClippingPlanesOn"],!1).result,o=Ca.substitute(o,"//VTK::ClipPlane::Impl",[`for(int i = 0; i < ${e}; i++) {`," float rayDirRatio = dot(rayDir, vClipPlaneNormals[i]);"," float equationResult = dot(vertexVCVSOutput, vClipPlaneNormals[i]) + vClipPlaneDistances[i];"," if (rayDirRatio == 0.0)"," {"," if (equationResult < 0.0) dists.x = dists.y;"," continue;"," }"," float result = -1.0 * equationResult / rayDirRatio;"," if (rayDirRatio < 0.0) dists.y = min(dists.y, result);"," else dists.x = max(dists.x, result);","}","//VTK::ClipPlane::Impl"],!1).result}e.Fragment=o},e.getNeedToRebuildShaders=(n,r,o)=>{let i=0;o.getProperty().getShade()&&t.renderable.getBlendMode()===rl.COMPOSITE_BLEND&&(i=0,t.numberOfLights=0,r.getLights().forEach((e=>{e.getSwitch()>0&&(t.numberOfLights++,0===i&&(i=1)),1===i&&(t.numberOfLights>1||1!==e.getIntensity()||!e.lightTypeIsHeadLight())&&(i=2),i<3&&e.getPositional()&&(i=3)})));let a=!1;t.lastLightComplexity!==i&&(t.lastLightComplexity=i,a=!0);const s=t.scalarTexture.getComponents(),l=o.getProperty().getIndependentComponents();let u=!1;const c=[];if(l){for(let e=0;e0&&(u=!0)}const d=t.currentInput.getSpatialExtent(),p=t.currentInput.getSpacing(),f=new Float64Array(3);jt(f,(d[1]-d[0])*p[0],(d[3]-d[2])*p[1],(d[5]-d[4])*p[2]);const h=Gt(f)/e.getCurrentSampleDistance(r),m={interpolationType:o.getProperty().getInterpolationType(),useLabelOutline:o.getProperty().getUseLabelOutline(),numComp:s,usesProportionalComponents:u,iComps:l,maxSamples:h,useGradientOpacity:o.getProperty().getUseGradientOpacity(0),blendMode:t.renderable.getBlendMode(),proportionalComponents:c};return t.previousState&&t.previousState.interpolationType===m.interpolationType&&t.previousState.useLabelOutline===m.useLabelOutline&&t.previousState.numComp===m.numComp&&t.previousState.usesProportionalComponents===m.usesProportionalComponents&&t.previousState.iComps===m.iComps&&t.previousState.maxSamples===m.maxSamples&&t.previousState.useGradientOpacity===m.useGradientOpacity&&t.previousState.blendMode===m.blendMode&&function(e,t){if(e.length!==t.length)return!1;for(let n=0;n{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o),e.getClippingPlaneShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const i=n.getProgram();n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(i.isAttributeUsed("vertexDC")&&(n.getVAO().addAttributeArray(i,n.getCABO(),"vertexDC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||al("Error setting vertexDC in shader VAO.")),n.getAttributeUpdateTime().modified()),i.setUniformi("texture1",t.scalarTexture.getTextureUnit()),i.setUniformf("sampleDistance",e.getCurrentSampleDistance(r));const a=t.scalarTexture.getVolumeInfo(),s=t.renderable.getIpScalarRange(),l=[],u=[];for(let e=0;e<4;e++)l[e]=s[0]*a.dataComputedScale[e]+a.dataComputedOffset[e],u[e]=s[1]*a.dataComputedScale[e]+a.dataComputedOffset[e],l[e]=(l[e]-a.offset[e])/a.scale[e],u[e]=(u[e]-a.offset[e])/a.scale[e];if(i.setUniform4f("ipScalarRangeMin",l[0],l[1],l[2],l[3]),i.setUniform4f("ipScalarRangeMax",u[0],u[1],u[2],u[3]),null!==t.zBufferTexture){i.setUniformi("zBufferTexture",t.zBufferTexture.getTextureUnit());const e=t._useSmallViewport?[t._smallViewportWidth,t._smallViewportHeight]:t._openGLRenderWindow.getFramebufferSize();i.setUniformf("vpZWidth",e[0]),i.setUniformf("vpZHeight",e[1])}},e.setCameraShaderParameters=(n,r,o)=>{const i=t.openGLCamera.getKeyMatrices(r),a=t.openGLVolume.getKeyMatrices();y(t.modelToView,i.wcvc,a.mcwc);const s=n.getProgram(),l=t.openGLCamera.getRenderable(),u=l.getClippingRange();s.setUniformf("camThick",u[1]-u[0]),s.setUniformf("camNear",u[0]),s.setUniformf("camFar",u[1]);const c=t.currentInput.getBounds(),d=t.currentInput.getDimensions(),p=new Float64Array(3),f=new Float64Array(3);let h=1,g=-1,v=1,b=-1;for(let e=0;e<8;++e)jt(p,c[e%2],c[2+Math.floor(e/2)%2],c[4+Math.floor(e/4)]),Yt(p,p,t.modelToView),l.getParallelProjection()||(Kt(f,p),Ht(p,f,-u[0]/p[2])),Yt(p,p,i.vcpc),h=Math.min(p[0],h),g=Math.max(p[0],g),v=Math.min(p[1],v),b=Math.max(p[1],b);s.setUniformf("dcxmin",h),s.setUniformf("dcxmax",g),s.setUniformf("dcymin",v),s.setUniformf("dcymax",b),s.isUniformUsed("cameraParallel")&&s.setUniformi("cameraParallel",l.getParallelProjection());const x=t.currentInput.getSpatialExtent(),_=t.currentInput.getSpacing(),T=new Float64Array(3);jt(T,(x[1]-x[0])*_[0],(x[3]-x[2])*_[1],(x[5]-x[4])*_[2]),s.setUniform3f("vSpacing",_[0],_[1],_[2]),jt(p,x[0],x[2],x[4]),t.currentInput.indexToWorldVec3(p,p),Yt(p,p,t.modelToView),s.setUniform3f("vOriginVC",p[0],p[1],p[2]);const S=t.currentInput.getIndexToWorld();y(t.idxToView,t.modelToView,S),le(t.idxNormalMatrix,i.normalMatrix,a.normalMatrix),le(t.idxNormalMatrix,t.idxNormalMatrix,t.currentInput.getDirectionByReference());const w=Gt(T)/e.getCurrentSampleDistance(r);w>t.renderable.getMaximumSamplesPerRay()&&il(`The number of steps required ${Math.ceil(w)} is larger than the\n specified maximum number of steps ${t.renderable.getMaximumSamplesPerRay()}.\n Please either change the\n volumeMapper sampleDistance or its maximum number of samples.`);const C=new Float64Array(3);if(jt(C,1,1,1),function(e,t,n){e[0]=t[0]/n[0],e[1]=t[1]/n[1],e[2]=t[2]/n[2]}(C,C,T),s.setUniform3f("vVCToIJK",C[0],C[1],C[2]),s.setUniform3i("volumeDimensions",d[0],d[1],d[2]),!t._openGLRenderWindow.getWebgl2()){const e=t.scalarTexture.getVolumeInfo();s.setUniformf("texWidth",t.scalarTexture.getWidth()),s.setUniformf("texHeight",t.scalarTexture.getHeight()),s.setUniformi("xreps",e.xreps),s.setUniformi("xstride",e.xstride),s.setUniformi("ystride",e.ystride)}const A=new Float64Array(3),E=new Float64Array(3);for(let e=0;e<6;++e){switch(e){case 1:jt(A,-1,0,0),jt(E,x[0],x[2],x[4]);break;case 2:jt(A,0,1,0),jt(E,x[1],x[3],x[5]);break;case 3:jt(A,0,-1,0),jt(E,x[0],x[2],x[4]);break;case 4:jt(A,0,0,1),jt(E,x[1],x[3],x[5]);break;case 5:jt(A,0,0,-1),jt(E,x[0],x[2],x[4]);break;default:jt(A,1,0,0),jt(E,x[1],x[3],x[5])}Jt(A,A,t.idxNormalMatrix),Yt(E,E,t.idxToView);const n=-1*qt(E,A);s.setUniform3f(`vPlaneNormal${e}`,A[0],A[1],A[2]),s.setUniformf(`vPlaneDistance${e}`,n)}if(o.getProperty().getUseLabelOutline()){const n=t.currentInput.getWorldToIndex();s.setUniformMatrix("vWCtoIDX",n);const o=r.getActiveCamera(),[i,a]=o.getClippingRange(),l=o.getDistance();o.setClippingRange(l,l+.1);const u=t.openGLCamera.getKeyMatrices(r);m(t.projectionToWorld,u.wcpc),o.setClippingRange(i,a),t.openGLCamera.getKeyMatrices(r),s.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const c=e.getRenderTargetSize();s.setUniformf("vpWidth",c[0]),s.setUniformf("vpHeight",c[1]);const d=e.getRenderTargetOffset();s.setUniformf("vpOffsetX",d[0]/c[0]),s.setUniformf("vpOffsetY",d[1]/c[1])}if(m(t.projectionToView,i.vcpc),s.setUniformMatrix("PCVCMatrix",t.projectionToView),0===t.lastLightComplexity)return;let D=0;const I=[],P=[],O=[];if(r.getLights().forEach((e=>{if(e.getSwitch()>0){const t=e.getColor(),n=e.getIntensity();I[0+3*D]=t[0]*n,I[1+3*D]=t[1]*n,I[2+3*D]=t[2]*n;const r=e.getDirection();jt(A,r[0],r[1],r[2]),Jt(A,A,i.normalMatrix),Kt(A,A),P[0+3*D]=A[0],P[1+3*D]=A[1],P[2+3*D]=A[2],O[0+3*D]=-.5*A[0],O[1+3*D]=-.5*A[1],O[2+3*D]=-.5*(A[2]-1),D++}})),s.setUniformi("twoSidedLighting",r.getTwoSidedLighting()),s.setUniformi("lightNum",D),s.setUniform3fv("lightColor",I),s.setUniform3fv("lightDirectionVC",P),s.setUniform3fv("lightHalfAngleVC",O),3===t.lastLightComplexity){D=0;const e=[],n=[],o=[],i=[],a=[];r.getLights().forEach((r=>{if(r.getSwitch()>0){const s=r.getAttenuationValues();n[0+3*D]=s[0],n[1+3*D]=s[1],n[2+3*D]=s[2],i[D]=r.getExponent(),o[D]=r.getConeAngle(),a[D]=r.getPositional();const l=r.getTransformedPosition();Yt(l,l,t.modelToView),e[0+3*D]=l[0],e[1+3*D]=l[1],e[2+3*D]=l[2],D+=1}})),s.setUniform3fv("lightPositionVC",e),s.setUniform3fv("lightAttenuation",n),s.setUniformfv("lightConeAngle",o),s.setUniformfv("lightExponent",i),s.setUniformiv("lightPositional",a)}if(t.renderable.getVolumetricScatteringBlending()>0&&(s.setUniformf("giReach",t.renderable.getGlobalIlluminationReach()),s.setUniformf("volumetricScatteringBlending",t.renderable.getVolumetricScatteringBlending()),s.setUniformf("volumeShadowSamplingDistFactor",t.renderable.getVolumeShadowSamplingDistFactor()),s.setUniformf("anisotropy",t.renderable.getAnisotropy()),s.setUniformf("anisotropy2",t.renderable.getAnisotropy()**2)),t.renderable.getLocalAmbientOcclusion()&&o.getProperty().getAmbient()>0){const e=t.renderable.getLAOKernelSize();s.setUniformi("kernelSize",e);const n=[];for(let t=0;t{const o=e.getProgram();o.setUniformi("ctexture",t.colorTexture.getTextureUnit()),o.setUniformi("otexture",t.opacityTexture.getTextureUnit()),o.setUniformi("jtexture",t.jitterTexture.getTextureUnit()),o.setUniformi("ttexture",t.labelOutlineThicknessTexture.getTextureUnit());const i=t.scalarTexture.getVolumeInfo(),a=r.getProperty(),s=t.scalarTexture.getComponents(),l=r.getProperty().getIndependentComponents();if(l&&s>=2)for(let e=0;e0&&(o.setUniformf("vAmbient",a.getAmbient()),o.setUniformf("vDiffuse",a.getDiffuse()),o.setUniformf("vSpecular",a.getSpecular()),o.setUniformf("vSpecularPower",a.getSpecularPower()))},e.getClippingPlaneShaderParameters=(e,n,r)=>{if(t.renderable.getClippingPlanes().length>0){const r=t.openGLCamera.getKeyMatrices(n),o=[],i=[],a=[],s=t.renderable.getClippingPlanes(),l=s.length;for(let e=0;e{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.getRenderTargetSize=()=>{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getCurrentSampleDistance=e=>{const n=e.getVTKWindow().getInteractor(),r=t.renderable.getSampleDistance();return n.isAnimating()?r*t.renderable.getInteractionSampleDistanceFactor():r},e.renderPieceStart=(n,r)=>{const o=n.getVTKWindow().getInteractor();if(t._lastScale||(t._lastScale=t.renderable.getInitialInteractionScale()),t._useSmallViewport=!1,o.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._animationRateSubscription||(t._animationRateSubscription=o.onAnimationFrameRateUpdate((()=>{if(t.renderable.getAutoAdjustSampleDistances()){const e=o.getRecentAnimationFrameRate(),n=o.getDesiredUpdateRate()/e;(n>1.15||n<.85)&&(t._lastScale*=n),t._lastScale>400&&(t._lastScale=400),t._lastScale<1.5&&(t._lastScale=1.5)}else t._lastScale=t.renderable.getImageSampleDistance()*t.renderable.getImageSampleDistance()}))),t._useSmallViewport){const e=t._openGLRenderWindow.getFramebufferSize(),n=1/Math.sqrt(t._lastScale);if(t._smallViewportWidth=Math.ceil(n*e[0]),t._smallViewportHeight=Math.ceil(n*e[1]),t._smallViewportHeight>e[1]&&(t._smallViewportHeight=e[1]),t._smallViewportWidth>e[0]&&(t._smallViewportWidth=e[0]),t.framebuffer.saveCurrentBindingsAndBuffers(),null===t.framebuffer.getGLFramebuffer())t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer();else{const n=t.framebuffer.getSize();n[0]===e[0]&&n[1]===e[1]||(t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer())}t.framebuffer.bind();const r=t.context;r.clearColor(0,0,0,0),r.colorMask(!0,!0,!0,!0),r.clear(r.COLOR_BUFFER_BIT),r.viewport(0,0,t._smallViewportWidth,t._smallViewportHeight),t.fvp=[t._smallViewportWidth/e[0],t._smallViewportHeight/e[1]]}t.context.disable(t.context.DEPTH_TEST),e.updateBufferObjects(n,r),r.getProperty().getInterpolationType()===el.NEAREST?(t.scalarTexture.setMinificationFilter(Qa.NEAREST),t.scalarTexture.setMagnificationFilter(Qa.NEAREST)):(t.scalarTexture.setMinificationFilter(Qa.LINEAR),t.scalarTexture.setMagnificationFilter(Qa.LINEAR)),t.lastBoundBO=null,null!==t.zBufferTexture&&t.zBufferTexture.activate()},e.renderPieceDraw=(n,r)=>{const o=t.context;t.scalarTexture.activate(),t.opacityTexture.activate(),t.labelOutlineThicknessTexture.activate(),t.colorTexture.activate(),t.jitterTexture.activate(),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.scalarTexture.deactivate(),t.colorTexture.deactivate(),t.opacityTexture.deactivate(),t.labelOutlineThicknessTexture.deactivate(),t.jitterTexture.deactivate()},e.renderPieceFinish=(e,n)=>{if(null!==t.zBufferTexture&&t.zBufferTexture.deactivate(),t._useSmallViewport){if(t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader){t.copyShader=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","uniform vec2 tfactor;","varying vec2 tcoord;","void main() { tcoord = vec2(vertexDC.x*0.5 + 0.5, vertexDC.y*0.5 + 0.5) * tfactor; gl_Position = vertexDC; }"].join("\n"),["//VTK::System::Dec","//VTK::Output::Dec","uniform sampler2D texture1;","varying vec2 tcoord;","void main() { gl_FragData[0] = texture2D(texture1,tcoord); }"].join("\n"),"");const e=t.copyShader;t.copyVAO=Ia.newInstance(),t.copyVAO.setOpenGLRenderWindow(t._openGLRenderWindow),t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(e,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||al("Error setting vertexDC in copy shader VAO.")}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(t.copyShader);const e=t._openGLRenderWindow.getFramebufferSize();t.context.viewport(0,0,e[0],e[1]);const n=t.framebuffer.getColorTexture();n.activate(),t.copyShader.setUniformi("texture",n.getTextureUnit()),t.copyShader.setUniform2f("tfactor",t.fvp[0],t.fvp[1]);const r=t.context;r.blendFuncSeparate(r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA),t.context.drawArrays(t.context.TRIANGLES,0,t.tris.getCABO().getElementCount()),n.deactivate(),r.blendFuncSeparate(r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):al("No input!")},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():yr(t.Bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const o=t.currentInput;if(!o)return;const i=o.getPointData()&&o.getPointData().getScalars();if(!i)return;t._scalars!==i&&(t._openGLRenderWindow.releaseGraphicsResourcesForObject(t._scalars),t._scalars=i);const a=r.getProperty();if(!t.jitterTexture.getHandle()){const e=new Uint8Array(1024);for(let t=0;t<1024;++t)e[t]=255*Math.random();t.jitterTexture.setMinificationFilter(Qa.LINEAR),t.jitterTexture.setMagnificationFilter(Qa.LINEAR),t.jitterTexture.create2DFromRaw(32,32,1,on.UNSIGNED_CHAR,e)}const s=i.getNumberOfComponents(),l=a.getIndependentComponents()?s:1,u=a.getScalarOpacity(),c=t._openGLRenderWindow.getGraphicsResourceForObject(u);let d=sl(a,u,l);if(c.vtkObj&&c.hash===d&&t.opacityTextureString===d)t.opacityTexture=c.vtkObj,t.opacityTextureString=c.hash;else{const r=1024,o=2*r*l,i=new Float32Array(o),s=new Float32Array(r);for(let t=0;t1?1:-1,e[3*t+2]=-1;const n=new Uint16Array(8);n[0]=3,n[1]=0,n[2]=1,n[3]=3,n[4]=3,n[5]=0,n[6]=3,n[7]=2;const r=Wr.newInstance({numberOfComponents:3,values:e});r.setName("points");const o=Wr.newInstance({numberOfComponents:1,values:n});t.tris.getCABO().createVBO(o,"polys",ua.SURFACE,{points:r,cellOffset:0})}t.VBOBuildTime.modified()},e.updateLabelOutlineThicknessTexture=e=>{const n=e.getProperty().getLabelOutlineThickness(),r=t._openGLRenderWindow.getGraphicsResourceForObject(n),o=`${n.join("-")}`;if(r?.vtkObj&&r?.hash===o&&t.labelOutlineThicknessTextureString===o)t.labelOutlineThicknessTexture=r.vtkObj,t.labelOutlineThicknessTextureString=r.hash;else{const e=1024,r=1,i=new Uint8Array(e*r);for(let t=0;t2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ul,n),Tt.extend(e,t,n),t.VBOBuildTime={},je(t.VBOBuildTime,{mtime:0}),t.tris=Ra.newInstance(),t.scalarTexture=hs.newInstance(),t.opacityTexture=hs.newInstance(),t.colorTexture=hs.newInstance(),t.jitterTexture=hs.newInstance(),t.jitterTexture.setWrapS(Ja.REPEAT),t.jitterTexture.setWrapT(Ja.REPEAT),t.labelOutlineThicknessTexture=hs.newInstance(),t.framebuffer=Zs.newInstance(),t.idxToView=f(new Float64Array(16)),t.idxNormalMatrix=ae(new Float64Array(9)),t.modelToView=f(new Float64Array(16)),t.projectionToView=f(new Float64Array(16)),t.projectionToWorld=f(new Float64Array(16)),$e(e,t,["context"]),ll(e,t)}),"vtkOpenGLVolumeMapper");Dt("vtkVolumeMapper",cl);const{vtkDebugMacro:dl}=vt;function pl(e,t){t.classHierarchy.push("vtkOpenGLPixelSpaceCallbackMapper"),e.opaquePass=(n,r)=>{t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent();const o=t._openGLRenderer.getAspectRatio(),i=t._openGLRenderer?t._openGLRenderer.getRenderable().getActiveCamera():null,a=t._openGLRenderer.getTiledSizeAndOrigin();let s=null;if(t.renderable.getUseZValues()){const e=r.getZBufferTexture(),n=Math.floor(e.getWidth()),o=Math.floor(e.getHeight()),i=t._openGLRenderWindow.getContext();e.bind();const a=r.getFramebuffer();a?a.saveCurrentBindingsAndBuffers():dl("No framebuffer to save/restore");const l=i.createFramebuffer();i.bindFramebuffer(i.FRAMEBUFFER,l),i.framebufferTexture2D(i.FRAMEBUFFER,i.COLOR_ATTACHMENT0,i.TEXTURE_2D,e.getHandle(),0),i.checkFramebufferStatus(i.FRAMEBUFFER)===i.FRAMEBUFFER_COMPLETE&&(s=new Uint8Array(n*o*4),i.viewport(0,0,n,o),i.readPixels(0,0,n,o,i.RGBA,i.UNSIGNED_BYTE,s)),a&&a.restorePreviousBindingsAndBuffers(),i.deleteFramebuffer(l)}t.renderable.invokeCallback(t.renderable.getInputData(),i,o,a,s)},e.queryPass=(e,n)=>{e&&t.renderable.getUseZValues()&&n.requestDepth()}}const fl={};const hl=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,fl,n),Tt.extend(e,t,n),pl(e,t)}),"vtkOpenGLPixelSpaceCallbackMapper");Dt("vtkPixelSpaceCallbackMapper",hl);const ml=Object.create(null);function gl(e,t){ml[e]=t}function vl(e,t){t.classHierarchy.push("vtkWebGPUViewNodeFactory")}const yl={};function bl(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,yl,n),t.overrides=ml,At.extend(e,t,n),vl(0,t)}var xl={newInstance:gt.newInstance(bl,"vtkWebGPUViewNodeFactory"),extend:bl};function _l(e,t){t.classHierarchy.push("vtkWebGPUCamera"),e.getProjectionMatrix=(e,n,r,o)=>{if(f(e),t.renderable.getParallelProjection()){const i=t.renderable.getParallelScale(),a=i*n,s=i,l=(o[0]-1)*a,u=(o[0]+1)*a,c=(o[1]-1)*s,d=(o[1]+1)*s,p=1/(u-l),f=1/(d-c);e[0]=2*p,e[5]=2*f,e[10]=1/(r[1]-r[0]),e[12]=(u+l)*p,e[13]=(d+c)*f,e[14]=r[1]/(r[1]-r[0])}else{const i=Math.tan(Math.PI*t.renderable.getViewAngle()/360);let a,s;!0===t.renderable.getUseHorizontalViewAngle()?(a=r[0]*i,s=r[0]*i/n):(a=r[0]*i*n,s=r[0]*i);const l=(o[0]-1)*a,u=(o[0]+1)*a,c=(o[1]-1)*s,d=(o[1]+1)*s;e[0]=2*r[0]/(u-l),e[5]=2*r[0]/(d-c),e[12]=(l+u)/(u-l),e[13]=(c+d)/(d-c),e[10]=0,e[14]=r[0],e[11]=-1,e[15]=0}},e.convertToOpenGLDepth=e=>{if(t.renderable.getParallelProjection())return 1-e;const n=t.renderable.getClippingRangeByReference();let r=-n[0]/e;return 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lu(e,t){t.classHierarchy.push("vtkWebGPUFullScreenQuad"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position"),r.addOutput("vec4","vertexVC");let o=r.getCode();o=Fl.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4(vertexBC, 1.0);","output.vertexVC = vec4(vertexBC, 1);"]).result,r.setCode(o)},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.updateBuffers=()=>{const e=t.device.getBufferManager().getFullScreenQuadBuffer();t.vertexInput.addBuffer(e,["vertexBC"]),t.numberOfVertices=6}}const uu={};function cu(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uu,n),su.extend(e,t,n),lu(e,t)}var du={newInstance:gt.newInstance(cu,"vtkWebGPUFullScreenQuad"),extend:cu},pu={BufferUsage:{Verts:0,Lines:1,Triangles:2,Strips:3,LinesFromStrips:4,LinesFromTriangles:5,Points:6,UniformArray:7,PointArray:8,NormalsFromPoints:9,Texture:10,RawVertex:11,Storage:12,Index:13},PrimitiveTypes:{Start:0,Points:0,Lines:1,Triangles:2,TriangleStrips:3,TriangleEdges:4,TriangleStripEdges:5,End:6}};const fu=["getMappedRange","mapAsync","unmap"];function hu(e,t){t.classHierarchy.push("vtkWebGPUBuffer"),e.create=(e,n)=>{t.handle=t.device.getHandle().createBuffer({size:e,usage:n,label:t.label}),t.sizeInBytes=e,t.usage=n},e.write=e=>{!function(e,t,n,r){const o=r.byteLength,i=e.createBuffer({size:o,usage:GPUBufferUsage.COPY_SRC,mappedAtCreation:!0}),a=i.getMappedRange(0,o);new Uint8Array(a).set(new Uint8Array(r)),i.unmap();const s=e.createCommandEncoder();s.copyBufferToBuffer(i,0,t,0,o);const l=s.finish();e.queue.submit([l]),i.destroy()}(t.device.getHandle(),t.handle,0,e.buffer)},e.createAndWrite=(e,n)=>{t.handle=t.device.getHandle().createBuffer({size:e.byteLength,usage:n,mappedAtCreation:!0,label:t.label}),t.sizeInBytes=e.byteLength,t.usage=n,new Uint8Array(t.handle.getMappedRange()).set(new Uint8Array(e.buffer)),t.handle.unmap()};for(let n=0;n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,mu,n),gt.obj(e,t),gt.get(e,t,["handle","sizeInBytes","usage"]),gt.setGet(e,t,["strideInBytes","device","arrayInformation","label","sourceTime"]),hu(e,t)}var vu={newInstance:gt.newInstance(gu),extend:gu,...pu};const{Representation:yu,Interpolation:bu}=ca;function xu(e){return()=>gt.vtkErrorMacro(`vtkProperty::${e} - NOT IMPLEMENTED`)}function _u(e,t){t.classHierarchy.push("vtkProperty"),e.setColor=(n,r,o)=>{Array.isArray(n)?t.color[0]===n[0]&&t.color[1]===n[1]&&t.color[2]===n[2]||(t.color[0]=n[0],t.color[1]=n[1],t.color[2]=n[2],e.modified()):t.color[0]===n&&t.color[1]===r&&t.color[2]===o||(t.color[0]=n,t.color[1]=r,t.color[2]=o,e.modified()),e.setDiffuseColor(t.color),e.setAmbientColor(t.color),e.setSpecularColor(t.color)},e.computeCompositeColor=xu("ComputeCompositeColor"),e.getColor=()=>{let e=0;t.ambient+t.diffuse+t.specular>0&&(e=1/(t.ambient+t.diffuse+t.specular));for(let n=0;n<3;n++)t.color[n]=e*(t.ambient*t.ambientColor[n]+t.diffuse*t.diffuseColor[n]+t.specular*t.specularColor[n]);return[].concat(t.color)},e.setSpecularPower=n=>{const r=1/Math.max(1,n);t.roughness===r&&t.specularPower===n||(t.specularPower=n,t.roughness=r,e.modified())},e.addShaderVariable=xu("AddShaderVariable"),e.setInterpolationToFlat=()=>e.setInterpolation(bu.FLAT),e.setInterpolationToGouraud=()=>e.setInterpolation(bu.GOURAUD),e.setInterpolationToPhong=()=>e.setInterpolation(bu.PHONG),e.getInterpolationAsString=()=>gt.enumToString(bu,t.interpolation),e.setRepresentationToWireframe=()=>e.setRepresentation(yu.WIREFRAME),e.setRepresentationToSurface=()=>e.setRepresentation(yu.SURFACE),e.setRepresentationToPoints=()=>e.setRepresentation(yu.POINTS),e.getRepresentationAsString=()=>gt.enumToString(yu,t.representation)}const Tu={color:[1,1,1],ambientColor:[1,1,1],diffuseColor:[1,1,1],specularColor:[1,1,1],edgeColor:[0,0,0],ambient:0,diffuse:1,metallic:0,roughness:.6,normalStrength:1,emission:1,baseIOR:1.45,specular:0,specularPower:1,opacity:1,interpolation:bu.GOURAUD,representation:yu.SURFACE,edgeVisibility:!1,backfaceCulling:!1,frontfaceCulling:!1,pointSize:1,lineWidth:1,lighting:!0,shading:!1,materialName:null};function Su(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Tu,n),gt.obj(e,t),gt.setGet(e,t,["lighting","interpolation","ambient","diffuse","metallic","roughness","normalStrength","emission","baseIOR","specular","specularPower","opacity","edgeVisibility","lineWidth","pointSize","backfaceCulling","frontfaceCulling","representation","diffuseTexture","metallicTexture","roughnessTexture","normalTexture","ambientOcclusionTexture","emissionTexture"]),gt.setGetArray(e,t,["ambientColor","specularColor","diffuseColor","edgeColor"],3),_u(e,t)}var wu={newInstance:gt.newInstance(Su,"vtkProperty"),extend:Su,...ca};const{Representation:Cu}=wu,{PrimitiveTypes:Au}=pu;class Eu{constructor(){this.keys=new Uint32Array(10),this.values=new Uint32Array(10),this.count=0}clear(){this.count=0}has(e){for(let t=0;t2)for(let i=0;i2){for(let i=0;i{const n=e.cells,r=e.primitiveType,o=e.representation,i=e.cellOffset,a=n.getData(),s=a.length,l=function(e){switch(e){case Au.Points:return"points";case Au.Lines:return"lines";case Au.Triangles:case Au.TriangleEdges:return"polys";case Au.TriangleStripEdges:case Au.TriangleStrips:return"strips";default:return""}}(r),u=e.numberOfPoints,c={provokedPointIds:new Uint8Array(u),extraPoints:0,iboSize:0,flatId:0,iboId:0,cellProvokedMap:new Eu};let d=null;d=o===Cu.POINTS||r===Au.Points?Fu.anythingToPoints:o===Cu.WIREFRAME||r===Au.Lines?Fu[`${l}ToWireframe`]:Fu[`${l}ToSurface`],Ou=Pu;let p=i||0;for(let e=0;e2&&void 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2:t+="x2";break;case 3:t.includes("32")||Gu(`unsupported x3 type for ${t}`),t+="x3";break;case 4:t+="x4"}return t}(t),o={hash:`${t.getMTime()}I${n.getMTime()}${r}`,usage:Uu.PointArray,format:r,dataArray:t,indexBuffer:n};return e.getBuffer(o)},e.getFullScreenQuadBuffer=()=>{if(t.fullScreenQuadBuffer)return t.fullScreenQuadBuffer;t.fullScreenQuadBuffer=vu.newInstance(),t.fullScreenQuadBuffer.setDevice(t.device);const e=new Float32Array([-1,-1,0,1,-1,0,1,1,0,-1,-1,0,1,1,0,-1,1,0]);return t.fullScreenQuadBuffer.createAndWrite(e,GPUBufferUsage.VERTEX),t.fullScreenQuadBuffer.setStrideInBytes(12),t.fullScreenQuadBuffer.setArrayInformation([{offset:0,format:"float32x3"}]),t.fullScreenQuadBuffer}}const Xu={device:null,fullScreenQuadBuffer:null};function Ku(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Xu,n),je(e,t),$e(e,t,["device"]),Hu(e,t)}var qu={newInstance:rt(Ku),extend:Ku,...pu};const{BufferUsage:$u}=qu,{vtkErrorMacro:Yu}=gt;function Ju(e,t){t.classHierarchy.push("vtkWebGPUStorageBuffer"),e.addEntry=(e,n)=>{if(t._bufferEntryNames.has(e))return void Yu(`entry named ${e} already exists`);t._bufferEntryNames.set(e,t.bufferEntries.length);const r=$l(n);t.bufferEntries.push({name:e,type:n,sizeInBytes:r,offset:t.sizeInBytes,nativeType:Yl(n)}),t.sizeInBytes+=r},e.send=e=>{if(!t._buffer){const n={nativeArray:t.Float32Array,usage:$u.Storage,label:t.label};return t._buffer=e.getBufferManager().getBuffer(n),t.bindGroupTime.modified(),void t._sendTime.modified()}e.getHandle().queue.writeBuffer(t._buffer.getHandle(),0,t.arrayBuffer,0,t.sizeInBytes*t.numberOfInstances),t._sendTime.modified()},e.createView=e=>{e in t==0&&(t.arrayBuffer||(t.arrayBuffer=new ArrayBuffer(t.sizeInBytes*t.numberOfInstances)),t[e]=gt.newTypedArray(e,t.arrayBuffer))},e.setValue=(n,r,o)=>{const i=t._bufferEntryNames.get(n);if(void 0===i)return void Yu(`entry named ${n} not found in UBO`);const a=t.bufferEntries[i];e.createView(a.nativeType);const 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e=0;et._sendTime.getMTime(),e.getShaderCode=(e,n)=>{const r=[`struct ${t.label}StructEntry\n{`];for(let e=0;e,\n};\n@binding(${e}) @group(${n}) var ${t.label}: ${t.label}Struct;\n`),r.join("\n")},e.getBindGroupEntry=()=>({resource:{buffer:t._buffer.getHandle()}}),e.clearData=()=>{t.numberOfInstances=0,t.sizeInBytes=0,t.bufferEntries=[],t._bufferEntryNames=new Map,t._buffer=null,delete t.arrayBuffer,delete t.Float32Array}}const Qu={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,numberOfInstances:1};function Zu(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Qu,n),gt.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t._sendTime={},gt.obj(t._sendTime,{mtime:0}),t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"read-only-storage"}},gt.get(e,t,["bindGroupTime"]),gt.setGet(e,t,["device","bindGroupLayoutEntry","label","numberOfInstances","sizeInBytes"]),Ju(e,t)}var ec={newInstance:gt.newInstance(Zu,"vtkWebGPUStorageBuffer"),extend:Zu};const{BufferUsage:tc}=qu,{vtkErrorMacro:nc}=gt;function rc(e,t){t.classHierarchy.push("vtkWebGPUUniformBuffer"),e.addEntry=(e,n)=>{t._bufferEntryNames.has(e)?nc(`entry named ${e} already exists`):(t.sortDirty=!0,t._bufferEntryNames.set(e,t.bufferEntries.length),t.bufferEntries.push({name:e,type:n,sizeInBytes:$l(n),offset:-1,nativeType:Yl(n),packed:!1}))},e.sortBufferEntries=()=>{if(!t.sortDirty)return;let e=0;const n=[];let r=4;for(let e=0;e4&&(o.packed=!0,o.offset=e,n.push(o),e+=o.sizeInBytes)}for(let r=0;r{if(!t.UBO){const n={nativeArray:t.Float32Array,usage:tc.UniformArray,label:t.label};t.UBO=e.getBufferManager().getBuffer(n),t.bindGroupTime.modified(),t.sendDirty=!1}t.sendDirty&&(e.getHandle().queue.writeBuffer(t.UBO.getHandle(),0,t.arrayBuffer,0,t.sizeInBytes),t.sendDirty=!1),t.sendTime.modified()},e.createView=e=>{e in t==0&&(t.arrayBuffer||(t.arrayBuffer=new ArrayBuffer(t.sizeInBytes)),t[e]=gt.newTypedArray(e,t.arrayBuffer))},e.setValue=(n,r)=>{e.sortBufferEntries();const o=t._bufferEntryNames.get(n);if(void 0===o)return void nc(`entry named ${n} not found in UBO`);const i=t.bufferEntries[o];e.createView(i.nativeType);const a=t[i.nativeType];i.lastValue!==r&&(a[i.offset/a.BYTES_PER_ELEMENT]=r,t.sendDirty=!0),i.lastValue=r},e.setArray=(n,r)=>{e.sortBufferEntries();const o=t._bufferEntryNames.get(n);if(void 0===o)return void nc(`entry named ${n} not found in UBO`);const i=t.bufferEntries[o];e.createView(i.nativeType);const a=t[i.nativeType];let s=!1;for(let e=0;e({resource:{buffer:t.UBO.getHandle()}}),e.getSendTime=()=>t.sendTime.getMTime(),e.getShaderCode=(n,r)=>{e.sortBufferEntries();const o=[`struct ${t.label}Struct\n{`];for(let e=0;e ${t.label}: ${t.label}Struct;`),o.join("\n")}}const oc={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,bindGroupLayoutEntry:null,bindGroupEntry:null};function ic(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,oc,n),gt.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"uniform"}},t.sendTime={},gt.obj(t.sendTime,{mtime:0}),t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),t.sendDirty=!0,t.sortDirty=!0,gt.get(e,t,["binding","bindGroupTime"]),gt.setGet(e,t,["bindGroupLayoutEntry","device","label","sizeInBytes"]),rc(e,t)}var ac={newInstance:gt.newInstance(ic,"vtkWebGPUUniformBuffer"),extend:ic};const{vtkDebugMacro:sc}=vt,lc="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = mapperUBO.BackgroundColor;\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n",uc=new Float64Array(16),cc=new Float64Array(16);function dc(e,t){t.classHierarchy.push("vtkWebGPURenderer"),e.buildPass=n=>{if(n){if(!t.renderable)return;t.camera=t.renderable.getActiveCamera(),e.updateLights(),e.prepareNodes(),e.addMissingNode(t.camera),e.addMissingNodes(t.renderable.getViewPropsWithNestedProps()),e.removeUnusedNodes(),t.webgpuCamera=e.getViewNodeFor(t.camera),e.updateStabilizedMatrix()}},e.updateStabilizedMatrix=()=>{const e=t.camera.getClippingRange(),n=t.camera.getPositionByReference(),r=[],o=[];Ht(o,t.camera.getDirectionOfProjectionByReference(),.5*(e[0]+e[1])),function(e,t,n){e[0]=t[0]+n[0],e[1]=t[1]+n[1],e[2]=t[2]+n[2]}(r,n,o),tn(o,r,t.stabilizedCenter),nn(o)/(e[1]-e[0])>t.recenterThreshold&&(t.stabilizedCenter=r,t.stabilizedTime.modified())},e.updateLights=()=>{let e=0;const n=t.renderable.getLightsByReference();for(let t=0;t0&&e++;return e||(sc("No lights are on, creating one."),t.renderable.createLight()),e},e.updateUBO=()=>{const n=t.UBO.getSendTime();if(t._parent.getMTime()>n||e.getMTime()>n||t.camera.getMTime()>n||t.renderable.getMTime()>n){const n=t.webgpuCamera.getKeyMatrices(e);t.UBO.setArray("WCVCMatrix",n.wcvc),t.UBO.setArray("SCPCMatrix",n.scpc),t.UBO.setArray("PCSCMatrix",n.pcsc),t.UBO.setArray("SCVCMatrix",n.scvc),t.UBO.setArray("VCPCMatrix",n.vcpc),t.UBO.setArray("WCVCNormals",n.normalMatrix),t.UBO.setValue("LightCount",t.renderable.getLights().length),t.UBO.setValue("MaxEnvironmentMipLevel",t.renderable.getEnvironmentTexture()?.getMipLevel()),t.UBO.setValue("BackgroundDiffuseStrength",t.renderable.getEnvironmentTextureDiffuseStrength()),t.UBO.setValue("BackgroundSpecularStrength",t.renderable.getEnvironmentTextureSpecularStrength());const r=e.getYInvertedTiledSizeAndOrigin();t.UBO.setArray("viewportSize",[r.usize,r.vsize]),t.UBO.setValue("cameraParallel",t.camera.getParallelProjection());const o=t._parent.getDevice();t.UBO.sendIfNeeded(o)}},e.updateSSBO=()=>{const n=t.renderable.getLights(),r=t.webgpuCamera.getKeyMatrices(e);let o=`${t.renderable.getMTime()}`;for(let e=0;e=90?0:2:1,s[l+1]=Math.cos(xn(n[t].getConeAngle())),s[l+2]=Math.cos(xn(n[t].getConeAngle()+n[t].getConeFalloff())),s[l+3]=0}t.SSBO.clearData(),t.SSBO.setNumberOfInstances(n.length),t.SSBO.addEntry("LightPos","vec4"),t.SSBO.addEntry("LightDir","vec4"),t.SSBO.addEntry("LightColor","vec4"),t.SSBO.addEntry("LightData","vec4"),t.SSBO.setAllInstancesFromArray("LightPos",e),t.SSBO.setAllInstancesFromArray("LightDir",o),t.SSBO.setAllInstancesFromArray("LightColor",a),t.SSBO.setAllInstancesFromArray("LightData",s);const l=t._parent.getDevice();t.SSBO.send(l)}var i;t.lightTimeString=o},e.scissorAndViewport=t=>{const n=e.getYInvertedTiledSizeAndOrigin();t.getHandle().setViewport(n.lowerLeftU,n.lowerLeftV,n.usize,n.vsize,0,1),t.getHandle().setScissorRect(n.lowerLeftU,n.lowerLeftV,n.usize,n.vsize)},e.bindUBO=e=>{e.activateBindGroup(t.bindGroup)},e.opaquePass=n=>{n?(t.renderEncoder.begin(t._parent.getCommandEncoder()),e.updateUBO(),e.updateSSBO()):(e.scissorAndViewport(t.renderEncoder),e.clear(),t.renderEncoder.end())},e.clear=()=>{if(t.renderable.getTransparent()||t.suppressClear)return;const n=t._parent.getDevice();if(!t.clearFSQ){t.clearFSQ=du.newInstance(),t.clearFSQ.setDevice(n),t.clearFSQ.setPipelineHash("clearfsq"),t.clearFSQ.setFragmentShaderTemplate(lc);const e=ac.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e),t.backgroundTex=t.renderable.getEnvironmentTexture()}if("clearfsqwithtexture"!==t.clearFSQ.getPipelineHash()&&t.renderable.getUseEnvironmentTextureAsBackground()&&t.backgroundTex?.getImageLoaded()){t.clearFSQ.setFragmentShaderTemplate("\nfn vecToRectCoord(dir: vec3) -> vec2 {\n var tau: f32 = 6.28318530718;\n var pi: f32 = 3.14159265359;\n var out: vec2 = vec2(0.0);\n\n out.x = atan2(dir.z, dir.x) / tau;\n out.x += 0.5;\n\n var phix: f32 = length(vec2(dir.x, dir.z));\n out.y = atan2(dir.y, phix) / pi + 0.5;\n\n return out;\n}\n\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var tcoord: vec4 = vec4(input.vertexVC.xy, -1, 1);\n var V: vec4 = normalize(mapperUBO.FSQMatrix * tcoord); // vec2((input.tcoordVS.x - 0.5) * 2, -(input.tcoordVS.y - 0.5) * 2);\n // textureSampleLevel gets rid of some ugly artifacts\n var background = textureSampleLevel(EnvironmentTexture, EnvironmentTextureSampler, vecToRectCoord(V.xyz), 0);\n var computedColor: vec4 = vec4(background.rgb, 1);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n");const e=ac.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e);const r=n.getTextureManager().getTextureForVTKTexture(t.backgroundTex);if(r.getReady()){const e=r.createView("EnvironmentTexture");t.clearFSQ.setTextureViews([e]),t.backgroundTexLoaded=!0;const o=t.backgroundTex.getInterpolate()?"linear":"nearest";e.addSampler(n,{addressModeU:"repeat",addressModeV:"clamp-to-edge",addressModeW:"repeat",minFilter:o,magFilter:o,mipmapFilter:"linear"})}t.clearFSQ.setPipelineHash("clearfsqwithtexture")}else if("clearfsqwithtexture"===t.clearFSQ.getPipelineHash()&&!t.renderable.getUseEnvironmentTextureAsBackground()){t.clearFSQ=du.newInstance(),t.clearFSQ.setDevice(n),t.clearFSQ.setPipelineHash("clearfsq"),t.clearFSQ.setFragmentShaderTemplate(lc);const e=ac.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e)}const r=t.webgpuCamera.getKeyMatrices(e),o=t.renderable.getBackgroundByReference();t.clearFSQ.getUBO().setArray("BackgroundColor",o),h(cc,r.normalMatrix),re(uc,r.scvc,r.pcsc),re(uc,cc,uc),t.clearFSQ.getUBO().setArray("FSQMatrix",uc),t.clearFSQ.getUBO().sendIfNeeded(n),t.clearFSQ.prepareAndDraw(t.renderEncoder)},e.translucentPass=n=>{n?t.renderEncoder.begin(t._parent.getCommandEncoder()):(e.scissorAndViewport(t.renderEncoder),t.renderEncoder.end())},e.volumeDepthRangePass=n=>{n?t.renderEncoder.begin(t._parent.getCommandEncoder()):(e.scissorAndViewport(t.renderEncoder),t.renderEncoder.end())},e.getAspectRatio=()=>{const e=t._parent.getSizeByReference(),n=t.renderable.getViewportByReference();return e[0]*(n[2]-n[0])/((n[3]-n[1])*e[1])},e.convertToOpenGLDepth=e=>t.webgpuCamera.convertToOpenGLDepth(e),e.getYInvertedTiledSizeAndOrigin=()=>{const n=e.getTiledSizeAndOrigin(),r=t._parent.getSizeByReference();return n.lowerLeftV=r[1]-n.vsize-n.lowerLeftV,n},e.getTiledSizeAndOrigin=()=>{const e=t.renderable.getViewportByReference(),n=[0,0,1,1],r=e[0]-n[0],o=e[1]-n[1],i=t._parent.normalizedDisplayToDisplay(r,o),a=Math.round(i[0]),s=Math.round(i[1]),l=e[2]-n[0],u=e[3]-n[1],c=t._parent.normalizedDisplayToDisplay(l,u);let d=Math.round(c[0])-a,p=Math.round(c[1])-s;return d<0&&(d=0),p<0&&(p=0),{usize:d,vsize:p,lowerLeftU:a,lowerLeftV:s}},e.getPropFromID=e=>{for(let n=0;nt.stabilizedTime.getMTime(),e.releaseGraphicsResources=()=>{null!==t.selector&&t.selector.releaseGraphicsResources()}}const pc={bindGroup:null,selector:null,renderEncoder:null,recenterThreshold:20,suppressClear:!1,stabilizedCenter:[0,0,0]};const fc=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,pc,n),Tt.extend(e,t,n),t.UBO=ac.newInstance({label:"rendererUBO"}),t.UBO.addEntry("WCVCMatrix","mat4x4"),t.UBO.addEntry("SCPCMatrix","mat4x4"),t.UBO.addEntry("PCSCMatrix","mat4x4"),t.UBO.addEntry("SCVCMatrix","mat4x4"),t.UBO.addEntry("VCPCMatrix","mat4x4"),t.UBO.addEntry("WCVCNormals","mat4x4"),t.UBO.addEntry("viewportSize","vec2"),t.UBO.addEntry("LightCount","i32"),t.UBO.addEntry("MaxEnvironmentMipLevel","f32"),t.UBO.addEntry("BackgroundDiffuseStrength","f32"),t.UBO.addEntry("BackgroundSpecularStrength","f32"),t.UBO.addEntry("cameraParallel","u32"),t.SSBO=ec.newInstance({label:"rendererLightSSBO"}),t.lightTimeString="",t.bindGroup=El.newInstance({label:"rendererBG"}),t.bindGroup.setBindables([t.UBO,t.SSBO]),t.tmpMat4=f(new Float64Array(16)),t.stabilizedTime={},je(t.stabilizedTime,{mtime:0}),He(e,t,["bindGroup","stabilizedTime"]),Ye(e,t,["stabilizedCenter"]),$e(e,t,["renderEncoder","selector","suppressClear","UBO"]),dc(e,t)}),"vtkWebGPURenderer");function hc(e,t){t.classHierarchy.push("vtkWebGPUSampler"),e.create=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};t.device=e,t.options.addressModeU=n.addressModeU?n.addressModeU:"clamp-to-edge",t.options.addressModeV=n.addressModeV?n.addressModeV:"clamp-to-edge",t.options.addressModeW=n.addressModeW?n.addressModeW:"clamp-to-edge",t.options.magFilter=n.magFilter?n.magFilter:"nearest",t.options.minFilter=n.minFilter?n.minFilter:"nearest",t.options.mipmapFilter=n.mipmapFilter?n.mipmapFilter:"nearest",t.options.label=t.label,t.handle=t.device.getHandle().createSampler(t.options),t.bindGroupTime.modified()},e.getShaderCode=(e,n)=>`@binding(${e}) @group(${n}) var ${t.label}: sampler;`,e.getBindGroupEntry=()=>({resource:t.handle})}gl("vtkRenderer",fc);const mc={device:null,handle:null,label:null,options:null};function gc(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,mc,n),gt.obj(e,t),t.options={},t.bindGroupLayoutEntry={visibility:GPUShaderStage.VERTEX|GPUShaderStage.FRAGMENT,sampler:{}},t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),gt.get(e,t,["bindGroupTime","handle","options"]),gt.setGet(e,t,["bindGroupLayoutEntry","device","label"]),hc(e,t)}var vc={newInstance:gt.newInstance(gc),extend:gc};const{SlicingMode:yc}=Is,bc="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Image::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n //VTK::Image::Sample\n\n // var computedColor: vec4 = vec4(1.0,0.7, 0.5, 1.0);\n\n//VTK::RenderEncoder::Impl\n\n return output;\n}\n",xc=new Float64Array(16),_c=new Float64Array(16),Tc=new Float64Array(16),Sc=new Float64Array(4),wc=new Float64Array(4);function Cc(e,t){t.classHierarchy.push("vtkWebGPUImageMapper"),e.buildPass=n=>{if(n){t.WebGPUImageSlice=e.getFirstAncestorOfType("vtkWebGPUImageSlice"),t.WebGPURenderer=t.WebGPUImageSlice.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent(),t.device=t.WebGPURenderWindow.getDevice();const n=t.WebGPURenderer.getRenderable();t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(n.getActiveCamera())}},e.translucentPass=t=>{t&&e.render()},e.opaquePass=t=>{t&&e.render()},e.render=()=>{t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.prepareToDraw(t.WebGPURenderer.getRenderEncoder()),t.renderEncoder.registerDrawCallback(t.pipeline,e.draw)},e.computePipelineHash=()=>{const e=t.currentInput.getExtent();e[0]===e[1]||e[2]===e[3]||e[4]===e[5]?(t.dimensions=2,t.pipelineHash="img2"):(t.dimensions=3,t.pipelineHash="img3")},e.updateUBO=()=>{const n=t.UBO.getSendTime(),r=t.WebGPUImageSlice.getRenderable(),o=r.getMapper();if(e.getMTime()>n||t.renderable.getMTime()>n||r.getProperty().getMTime()>n){const e=o.getInputData(),n=t.WebGPURenderer.getStabilizedCenterByReference();f(xc),b(xc,xc,n);const i=r.getMatrix();h(_c,i),m(_c,_c),y(xc,_c,xc);const a=e.getWorldToIndex();y(xc,a,xc),m(Tc,xc),C(_c,[.5,.5,.5]),y(xc,_c,xc);const s=e.getDimensions();f(_c),x(_c,_c,[1/s[0],1/s[1],1/s[2]]),y(xc,_c,xc),t.UBO.setArray("SCTCMatrix",xc);const l=t.currentInput.getExtent(),{ijkMode:u}=t.renderable.getClosestIJKAxis();let c=t.renderable.getSlice();u!==t.renderable.getSlicingMode()&&(c=t.renderable.getSliceAtPosition(c));let d=2,p=0,g=1;u===yc.I?(d=0,p=1,g=2):u===yc.J&&(d=1,p=2,g=0),Sc[d]=c,Sc[p]=l[2*p]-.5,Sc[g]=l[2*g]-.5,Sc[3]=1,Mo(Sc,Sc,Tc),t.UBO.setArray("Origin",Sc),wc[d]=c,wc[p]=l[2*p+1]+.5,wc[g]=l[2*g]-.5,wc[3]=1,Mo(wc,wc,Tc),No(wc,wc,Sc),wc[3]=1,t.UBO.setArray("Axis1",wc),wc[d]=c,wc[p]=l[2*p]-.5,wc[g]=l[2*g+1]+.5,wc[3]=1,Mo(wc,wc,Tc),No(wc,wc,Sc),wc[3]=1,t.UBO.setArray("Axis2",wc);const v=[1,1,1,1],_=[0,0,0,0],T=t.textureViews[0],S=T.getTexture().getScale(),w=T.getTexture().getNumberOfComponents();for(let e=0;e{const n=t.WebGPUImageSlice.getRenderable().getProperty();e.getTextureViews()[0].getTexture().getNumberOfComponents();const r=function(e,t,n){if(t.apply(e)){const t=e.getIndependentComponents();return`${e.getMTime()}-${t}-1`}return"0"}(n,n.getRGBTransferFunction);if(t.colorTextureString!==r){t.numRows=1;const e=new Uint8Array(2*t.numRows*t.rowLength*4);let o=n.getRGBTransferFunction();if(o){const r=new Float32Array(3*t.rowLength);for(let i=0;i<1;i++){o=n.getRGBTransferFunction(i);const a=o.getRange();o.getTable(a[0],a[1],t.rowLength,r,1);for(let n=0;n{n();const r=t.device.getTextureManager().getTextureForImageData(t.currentInput),o=t.textureViews;if(!o[0]||o[0].getTexture()!==r){const e=r.createView("imgTexture");o[0]=e}e.updateLUTImage(),e.updateUBO();const i=t.WebGPUImageSlice.getRenderable().getProperty().getInterpolationType()===Ts?"nearest":"linear";t.clampSampler&&i===t.clampSampler.getOptions().minFilter||(t.clampSampler=vc.newInstance({label:"clampSampler"}),t.clampSampler.create(t.device,{minFilter:i,magFilter:i}),t.additionalBindables=[t.clampSampler])};const r=e.getShaderReplacements();e.replaceShaderPosition=(e,n,r)=>{const o=n.getShaderDescription("vertex");o.addBuiltinOutput("vec4","@builtin(position) Position");let i=o.getCode();const a=["var pos: vec4 = mapperUBO.Origin +"," (vertexBC.x * 0.5 + 0.5) * mapperUBO.Axis1 + (vertexBC.y * 0.5 + 0.5) * mapperUBO.Axis2;","pos.w = 1.0;"];2===t.dimensions?a.push("var tcoord : vec2 = (mapperUBO.SCTCMatrix * pos).xy;"):a.push("var tcoord : vec3 = (mapperUBO.SCTCMatrix * pos).xyz;"),a.push("output.tcoordVS = tcoord;","output.Position = rendererUBO.SCPCMatrix * pos;"),i=Fl.substitute(i,"//VTK::Position::Impl",a).result,o.setCode(i)},r.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderTCoord=(e,n,r)=>{const o=n.getShaderDescription("vertex");2===t.dimensions?o.addOutput("vec2","tcoordVS"):o.addOutput("vec3","tcoordVS")},r.set("replaceShaderTCoord",e.replaceShaderTCoord),e.replaceShaderImage=(e,n,r)=>{const o=n.getShaderDescription("fragment");let i=o.getCode();t.dimensions,i=Fl.substitute(i,"//VTK::Image::Sample",[" var computedColor: vec4 ="," textureSampleLevel(imgTexture, clampSampler, input.tcoordVS, 0.0);","//VTK::Image::Sample"]).result,i=Fl.substitute(i,"//VTK::Image::Sample",[" var coord: vec2 ="," vec2(computedColor.r * mapperUBO.cScale.r + mapperUBO.cShift.r, 0.5);"," computedColor = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);"]).result,o.setCode(i)},r.set("replaceShaderImage",e.replaceShaderImage)}const Ac={rowLength:1024};const Ec=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ac,n),du.extend(e,t,n),e.setFragmentShaderTemplate(bc),t.UBO=ac.newInstance({label:"mapperUBO"}),t.UBO.addEntry("SCTCMatrix","mat4x4"),t.UBO.addEntry("Origin","vec4"),t.UBO.addEntry("Axis2","vec4"),t.UBO.addEntry("Axis1","vec4"),t.UBO.addEntry("cScale","vec4"),t.UBO.addEntry("cShift","vec4"),t.lutBuildTime={},je(t.lutBuildTime,{mtime:0}),t.imagemat=f(new Float64Array(16)),t.imagematinv=f(new Float64Array(16)),t.VBOBuildTime={},je(t.VBOBuildTime),Cc(e,t)}),"vtkWebGPUImageMapper");function Dc(e,t){t.classHierarchy.push("vtkWebGPUImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes()}},e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t.WebGPURenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t.WebGPURenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.getBufferShift=n=>(e.getKeyMatrices(n),t.bufferShift),e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix(),r=e.getStabilizedCenterByReference();t.bufferShift[0]=n[3]-r[0],t.bufferShift[1]=n[7]-r[1],t.bufferShift[2]=n[11]-r[2],h(t.keyMatrices.bcwc,n),t.renderable.getIsIdentity()?f(t.keyMatrices.normalMatrix):(c(t.keyMatrices.normalMatrix,t.keyMatrices.bcwc),t.keyMatrices.normalMatrix[3]=0,t.keyMatrices.normalMatrix[7]=0,t.keyMatrices.normalMatrix[11]=0,m(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix),h(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix)),b(t.keyMatrices.bcwc,t.keyMatrices.bcwc,[-t.bufferShift[0],-t.bufferShift[1],-t.bufferShift[2]]),b(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]),t.keyMatricesTime.modified()}return t.keyMatrices}}gl("vtkImageMapper",Ec);const Ic={bufferShift:void 0,keyMatrixTime:null,keyMatrices:null,propID:void 0};const Pc=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ic,n),Tt.extend(e,t,n),t.keyMatricesTime={},je(t.keyMatricesTime,{mtime:0}),t.keyMatrices={normalMatrix:new Float64Array(16),bcwc:new Float64Array(16),bcsc:new Float64Array(16)},t.keyMatrixTime={},je(t.keyMatrixTime,{mtime:0}),t.keyMatrices={mcwc:f(new Float64Array(16))},t.bufferShift=[0,0,0,0],He(e,t,["propID","keyMatricesTime"]),Dc(e,t)}),"vtkWebGPUImageSlice");function Oc(e,t){t.classHierarchy.push("vtkWebGPUVolume"),e.buildPass=n=>{t.renderable&&t.renderable.getVisibility()&&n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),t.renderable.getMapper().update())},e.queryPass=(n,r)=>{if(n){if(!t.renderable||!t.renderable.getVisibility())return;const n=t.renderable.getMapper().getBounds();if(!n||6!==n.length||n[0]>n[1])return;r.addVolume(e)}};const n=new Float64Array(3),r=new Float64Array(3);e.getBoundingCubePoints=(e,o)=>{const i=t.renderable.getMapper().getInputData();if(!i)return;const a=i.getExtent(),s=t.renderable.getMatrix();let l=0;for(let t=4;t<6;t++){n[2]=a[t];for(let t=2;t<4;t++){n[1]=a[t];for(let t=0;t<2;t++){n[0]=a[t],i.indexToWorld(n,r);let u=o+3*l;e[u++]=s[0]*r[0]+s[1]*r[1]+s[2]*r[2]+s[3],e[u++]=s[4]*r[0]+s[5]*r[1]+s[6]*r[2]+s[7],e[u++]=s[8]*r[0]+s[9]*r[1]+s[10]*r[2]+s[11],l++}}}},e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix(),r=e.getStabilizedCenterByReference();h(t.keyMatrices.bcwc,n),b(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]),t.keyMatricesTime.modified()}return t.keyMatrices}}gl("vtkImageSlice",Pc);const Nc={propID:void 0,keyMatricesTime:null};const Mc=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Nc,n),Tt.extend(e,t,n),t.keyMatricesTime={},gt.obj(t.keyMatricesTime,{mtime:0}),t.keyMatrices={bcwc:new Float64Array(16),bcsc:new Float64Array(16)},gt.get(e,t,["propID","keyMatricesTime"]),Oc(e,t)}),"vtkWebGPUVolume");function Rc(e,t){t.classHierarchy.push("vtkWebGPUPixelSpaceCallbackMapper"),e.opaquePass=(n,r)=>{t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent();const o=t.WebGPURenderer.getAspectRatio(),i=t.WebGPURenderer?t.WebGPURenderer.getRenderable().getActiveCamera():null,a=t.WebGPURenderer.getTiledSizeAndOrigin();t.renderable.getUseZValues(),t.renderable.invokeCallback(t.renderable.getInputData(),i,o,a,null)}}gl("vtkVolume",Mc);const Fc={};const kc=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fc,n),Tt.extend(e,t,n),Rc(e,t)}),"vtkWebGPUPixelSpaceCallbackMapper");gl("vtkPixelSpaceCallbackMapper",kc);var Lc=Uint8Array,Bc=Uint16Array,Vc=Uint32Array,Uc=new Lc([0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0,0]),Gc=new Lc([0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,0,0]),zc=new Lc([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]),jc=function(e,t){for(var n=new Bc(31),r=0;r<31;++r)n[r]=t+=1<>>1|(21845&Yc)<<1;Jc=(61680&(Jc=(52428&Jc)>>>2|(13107&Jc)<<2))>>>4|(3855&Jc)<<4,$c[Yc]=((65280&Jc)>>>8|(255&Jc)<<8)>>>1}var Qc=function(e,t,n){for(var r=e.length,o=0,i=new Bc(t);o>>l]=u}else for(a=new Bc(r),o=0;o>>15-e[o]);return a},Zc=new Lc(288);for(Yc=0;Yc<144;++Yc)Zc[Yc]=8;for(Yc=144;Yc<256;++Yc)Zc[Yc]=9;for(Yc=256;Yc<280;++Yc)Zc[Yc]=7;for(Yc=280;Yc<288;++Yc)Zc[Yc]=8;var ed=new Lc(32);for(Yc=0;Yc<32;++Yc)ed[Yc]=5;var td=Qc(Zc,9,1),nd=Qc(ed,5,1),rd=function(e){for(var t=e[0],n=1;nt&&(t=e[n]);return t},od=function(e,t,n){var r=t/8|0;return(e[r]|e[r+1]<<8)>>(7&t)&n},id=function(e,t){var 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Zd.MAGNITUDE:default:{const o=Wr.newInstance({numberOfComponents:1,values:new Float32Array(t.getNumberOfTuples())});e.mapVectorsToMagnitude(t,o,s),e.mapScalarsThroughTable(o,n,r,0);break}}},e.luminanceToRGBA=(e,t,n,r)=>{const o=r(n),i=t.getData(),a=e.getData(),s=i.length;let l=0;for(let e=0;e{const o=t.getData(),i=e.getData(),a=o.length;let s=0;for(let e=0;e{const o=op(n),i=t.getData(),a=e.getData(),s=i.length;let l=0;for(let e=0;e{const o=t.getData(),i=e.getData(),a=o.length;let s=0;for(let e=0;e{let{alpha:i}=t;if(4===r&&i>=1&&n.getDataType()===ep.UNSIGNED_CHAR)return n;const a=Wr.newInstance({numberOfComponents:4,empty:!0,size:4*o,dataType:ep.UNSIGNED_CHAR});if(o<=0)return a;i=i>0?i:0,i=i<1?i:1;let s=rp;switch(n.getDataType()!==ep.FLOAT&&n.getDataType()!==ep.DOUBLE||(s=op),r){case 1:e.luminanceToRGBA(a,n,i,s);break;case 2:e.luminanceAlphaToRGBA(a,n,s);break;case 3:e.rGBToRGBA(a,n,i,s);break;case 4:e.rGBAToRGBA(a,n,i,s);break;default:return np("Cannot convert colors"),null}return 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lp={newInstance:gt.newInstance(sp,"vtkScalarsToColors"),extend:sp,...Yd},up={ColorSpace:{RGB:0,HSV:1,LAB:2,DIVERGING:3},Scale:{LINEAR:0,LOG10:1}};const{ColorSpace:cp,Scale:dp}=up,{ScalarMappingTarget:pp}=lp,{vtkDebugMacro:fp,vtkErrorMacro:hp,vtkWarningMacro:mp}=gt;function gp(e,t){const n=e[0],r=e[1],o=e[2],i=Math.sqrt(n*n+r*r+o*o),a=i>.001?Math.acos(n/i):0,s=a>.001?Math.atan2(o,r):0;t[0]=i,t[1]=a,t[2]=s}function vp(e,t){if(e[0]>=t-.1)return e[2];const n=e[1]*Math.sqrt(t*t-e[0]*e[0])/(e[0]*Math.sin(e[1]));return e[2]>-.3*Math.PI?e[2]+n:e[2]-n}function yp(e,t,n,r){const o=[],i=[];gr(t,o),gr(n,i);const a=[],s=[];gp(o,a),gp(i,s);let l=e;if(a[1]>.05&&s[1]>.05&&function(e,t){let n=e-t;for(n<0&&(n=-n);n>=2*Math.PI;)n-=2*Math.PI;return n>Math.PI&&(n=2*Math.PI-n),n}(a[2],s[2])>.33*Math.PI){let t=Math.max(a[0],s[0]);t=Math.max(88,t),e<.5?(s[0]=t,s[1]=0,s[2]=0,l*=2):(a[0]=t,a[1]=0,a[2]=0,l=2*l-1)}a[1]<.05&&s[1]>.05?a[2]=vp(s,a[0]):s[1]<.05&&a[1]>.05&&(s[2]=vp(a,s[0]));const u=[];u[0]=(1-l)*a[0]+l*s[0],u[1]=(1-l)*a[1]+l*s[1],u[2]=(1-l)*a[2]+l*s[2];const c=[];!function(e,t){const n=e[0],r=e[1],o=e[2];t[0]=n*Math.cos(r),t[1]=n*Math.sin(r)*Math.cos(o),t[2]=n*Math.sin(r)*Math.sin(o)}(u,c),vr(c,r)}function bp(e,t){t.classHierarchy.push("vtkColorTransferFunction"),e.getSize=()=>t.nodes.length,e.addRGBPoint=(t,n,r,o)=>e.addRGBPointLong(t,n,r,o,.5,0),e.addRGBPointLong=function(n,r,o,i){let a=arguments.length>4&&void 0!==arguments[4]?arguments[4]:.5,s=arguments.length>5&&void 0!==arguments[5]?arguments[5]:0;if(a<0||a>1)return hp("Midpoint outside range [0.0, 1.0]"),-1;if(s<0||s>1)return hp("Sharpness outside range [0.0, 1.0]"),-1;t.allowDuplicateScalars||e.removePoint(n);const l={x:n,r:r,g:o,b:i,midpoint:a,sharpness:s};t.nodes.push(l),e.sortAndUpdateRange();let u=0;for(;ue.addHSVPointLong(t,n,r,o,.5,0),e.addHSVPointLong=function(t,n,r,o){let i=arguments.length>4&&void 0!==arguments[4]?arguments[4]:.5,a=arguments.length>5&&void 0!==arguments[5]?arguments[5]:0;const s=[],l=[n,r,o];return dr(l,s),e.addRGBPoint(t,s[0],s[1],s[2],i,a)},e.setNodes=n=>{if(t.nodes!==n){const r=JSON.stringify(t.nodes);t.nodes=n;const o=JSON.stringify(t.nodes);if(e.sortAndUpdateRange()||r!==o)return e.modified(),!0}return!1},e.sortAndUpdateRange=()=>{const n=JSON.stringify(t.nodes);t.nodes.sort(((e,t)=>e.x-t.x));const r=JSON.stringify(t.nodes),o=e.updateRange();return o||n===r?o:(e.modified(),!0)},e.updateRange=()=>{const n=[2];n[0]=t.mappingRange[0],n[1]=t.mappingRange[1];const r=t.nodes.length;return r?(t.mappingRange[0]=t.nodes[0].x,t.mappingRange[1]=t.nodes[r-1].x):(t.mappingRange[0]=0,t.mappingRange[1]=0),(n[0]!==t.mappingRange[0]||n[1]!==t.mappingRange[1])&&(e.modified(),!0)},e.removePoint=n=>{let r=0;for(;r=t.nodes.length)return-1;let i=!1;return t.nodes.splice(r,1),0!==r&&r!==t.nodes.length||(i=e.updateRange()),i||e.modified(),o},e.movePoint=(n,r)=>{if(n!==r){e.removePoint(r);for(let o=0;o{t.nodes=[],e.sortAndUpdateRange()},e.addRGBSegment=(n,r,o,i,a,s,l,u)=>{e.sortAndUpdateRange();for(let e=0;e=n&&t.nodes[e].x<=a?t.nodes.splice(e,1):e++;e.addRGBPointLong(n,r,o,i,.5,0),e.addRGBPointLong(a,s,l,u,.5,0),e.modified()},e.addHSVSegment=(t,n,r,o,i,a,s,l)=>{const u=[a,s,l],c=[],d=[];dr([n,r,o],c),dr(u,d),e.addRGBSegment(t,c[0],c[1],c[2],i,d[0],d[1],d[2])},e.mapValue=t=>{const n=[];return e.getColor(t,n),[Math.floor(255*n[0]+.5),Math.floor(255*n[1]+.5),Math.floor(255*n[2]+.5),255]},e.getColor=(n,r)=>{if(t.indexedLookup){const t=e.getSize(),o=e.getAnnotatedValueIndexInternal(n);if(o<0||0===t){const t=e.getNanColorByReference();r[0]=t[0],r[1]=t[1],r[2]=t[2]}else{const n=[];e.getNodeValue(o%t,n),r[0]=n[1],r[1]=n[2],r[2]=n[3]}}else e.getTable(n,n,1,r)},e.getRedValue=t=>{const n=[];return e.getColor(t,n),n[0]},e.getGreenValue=t=>{const n=[];return e.getColor(t,n),n[1]},e.getBlueValue=t=>{const n=[];return e.getColor(t,n),n[2]},e.getTable=(n,r,o,i)=>{const a=Number(n),s=Number(r);if(Er(a)||Er(s)){for(let e=0;e0);let T=0,S=0,w=0;_&&(T=Math.log10(a),S=Math.log10(s));for(let n=0;n1?_?(w=T+n/(o-1)*(S-T),f=10**w):f=a+n/(o-1)*(s-a):_?(w=.5*(T+S),f=10**w):f=.5*(a+s),t.discretize){const e=t.mappingRange;if(f>=e[0]&&f<=e[1]){const n=t.numberOfValues,r=e[1]-e[0];if(n<=1)f=e[0]+r/2;else{const t=(f-e[0])/r,o=Sn(n*t);f=e[0]+o/(n-1)*r}}}for(;lt.nodes[l].x;)l++,l.99999&&(y=.99999));if(f>t.mappingRange[1])i[r]=0,i[r+1]=0,i[r+2]=0,t.clamping&&(e.getUseAboveRangeColor()?(i[r]=t.aboveRangeColor[0],i[r+1]=t.aboveRangeColor[1],i[r+2]=t.aboveRangeColor[2]):(i[r]=c,i[r+1]=d,i[r+2]=p));else if(f0&&(i[r]=t.nodes[0].r,i[r+1]=t.nodes[0].g,i[r+2]=t.nodes[0].b));else if(0===l&&(Math.abs(f-a)<1e-6||t.discretize))u>0?(i[r]=t.nodes[0].r,i[r+1]=t.nodes[0].g,i[r+2]=t.nodes[0].b):(i[r]=0,i[r+1]=0,i[r+2]=0);else{let e=0;if(e=_?(w-h)/(m-h):(f-h)/(m-h),e=e.99){if(e<.5){i[r]=g[0],i[r+1]=g[1],i[r+2]=g[2];continue}i[r]=v[0],i[r+1]=v[1],i[r+2]=v[2];continue}if(b<.01){if(t.colorSpace===cp.RGB)i[r]=(1-e)*g[0]+e*v[0],i[r+1]=(1-e)*g[1]+e*v[1],i[r+2]=(1-e)*g[2]+e*v[2];else if(t.colorSpace===cp.HSV){const n=[],o=[];cr(g,n),cr(v,o),t.hSVWrap&&(n[0]-o[0]>.5||o[0]-n[0]>.5)&&(n[0]>o[0]?n[0]-=1:o[0]-=1);const a=[];a[0]=(1-e)*n[0]+e*o[0],a[0]<0&&(a[0]+=1),a[1]=(1-e)*n[1]+e*o[1],a[2]=(1-e)*n[2]+e*o[2],dr(a,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else if(t.colorSpace===cp.LAB){const t=[],n=[];gr(g,t),gr(v,n);const o=[];o[0]=(1-e)*t[0]+e*n[0],o[1]=(1-e)*t[1]+e*n[1],o[2]=(1-e)*t[2]+e*n[2],vr(o,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else t.colorSpace===cp.DIVERGING?(yp(e,g,v,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]):hp("ColorSpace set to invalid value.",t.colorSpace);continue}e<.5?e=.5*(2*e)**(1+10*b):e>.5&&(e=1-.5*(2*(1-e))**(1+10*b));const n=e*e,o=n*e,a=2*o-3*n+1,s=-2*o+3*n,l=o-2*n+e,u=o-n;let c,d;if(t.colorSpace===cp.RGB)for(let e=0;e<3;e++)c=v[e]-g[e],d=(1-b)*c,i[r+e]=a*g[e]+s*v[e]+l*d+u*d;else if(t.colorSpace===cp.HSV){const e=[],n=[];cr(g,e),cr(v,n),t.hSVWrap&&(e[0]-n[0]>.5||n[0]-e[0]>.5)&&(e[0]>n[0]?e[0]-=1:n[0]-=1);const o=[];for(let t=0;t<3;t++)c=n[t]-e[t],d=(1-b)*c,o[t]=a*e[t]+s*n[t]+l*d+u*d,0===t&&o[t]<0&&(o[t]+=1);dr(o,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else if(t.colorSpace===cp.LAB){const e=[],t=[];gr(g,e),gr(v,t);const n=[];for(let r=0;r<3;r++)c=t[r]-e[r],d=(1-b)*c,n[r]=a*e[r]+s*t[r]+l*d+u*d;vr(n,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else t.colorSpace===cp.DIVERGING?(yp(e,g,v,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]):hp("ColorSpace set to invalid value.");for(let e=0;e<3;e++)i[r+e]=i[r+e]<0?0:i[r+e],i[r+e]=i[r+e]>1?1:i[r+e]}}},e.getUint8Table=function(n,r,o){let i=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(e.getMTime()<=t.buildTime&&t.tableSize===o&&t.tableWithAlpha!==i)return t.table;if(0===t.nodes.length)return hp("Attempting to lookup a value with no points in the function"),t.table;const a=i?4:3;t.tableSize===o&&t.tableWithAlpha===i||(t.table=new Uint8Array(o*a),t.tableSize=o,t.tableWithAlpha=i);const s=[];e.getTable(n,r,o,s);for(let e=0;e{e.removeAllPoints();const r=n.getNumberOfComponents();for(let e=0;e{let a=0;e.removeAllPoints(),o>1&&(a=(r-n)/(o-1));for(let e=0;ee<0||e>=t.nodes.length?(hp("Index out of range!"),-1):(n[0]=t.nodes[e].x,n[1]=t.nodes[e].r,n[2]=t.nodes[e].g,n[3]=t.nodes[e].b,n[4]=t.nodes[e].midpoint,n[5]=t.nodes[e].sharpness,1),e.setNodeValue=(n,r)=>{if(n<0||n>=t.nodes.length)return hp("Index out of range!"),-1;const o=t.nodes[n].x;return t.nodes[n].x=r[0],t.nodes[n].r=r[1],t.nodes[n].g=r[2],t.nodes[n].b=r[3],t.nodes[n].midpoint=r[4],t.nodes[n].sharpness=r[5],o!==r[0]?e.sortAndUpdateRange():e.modified(),1},e.getNumberOfAvailableColors=()=>t.indexedLookup&&e.getSize()?e.getSize():t.tableSize?t.tableSize:16777216,e.getIndexedColor=(t,n)=>{const r=e.getSize();if(r>0&&t>=0){const o=[];e.getNodeValue(t%r,o);for(let e=0;e<3;++e)n[e]=o[e+1];return void(n[3]=1)}const o=e.getNanColorByReference();n[0]=o[0],n[1]=o[1],n[2]=o[2],n[3]=1},e.fillFromDataPointer=(t,n)=>{if(!(t<=0)&&n){e.removeAllPoints();for(let r=0;r{const o=[n,r],i=e.getRange();if(i[1]===o[1]&&i[0]===o[0])return;if(o[1]===o[0])return void hp("attempt to set zero width color range");const a=(o[1]-o[0])/(i[1]-i[0]),s=o[0]-i[0]*a;for(let e=0;e{const r=e.getRange(),o=[];r[0]n[1]?(e.getColor(n[1],o),e.addRGBPoint(n[1],o[0],o[1],o[2])):(e.getColor(r[1],o),e.addRGBPoint(n[1],o[0],o[1],o[2])),e.sortAndUpdateRange();for(let e=0;e=n[0]&&t.nodes[e].x<=n[1]?t.nodes.splice(e,1):++e;return 1},e.estimateMinNumberOfSamples=(t,n)=>{const r=e.findMinimumXDistance();return Math.ceil((n-t)/r)},e.findMinimumXDistance=()=>{if(t.nodes.length<2)return-1;let e=Number.MAX_VALUE;for(let n=0;n{0!==e.getSize()?t.indexedLookup?e.mapDataIndexed(n,r,o,i):e.mapData(n,r,o,i):fp("Transfer Function Has No Points!")},e.mapData=(t,n,r,o)=>{if(0===e.getSize())return void mp("Transfer Function Has No Points!");const i=Math.floor(255*e.getAlpha()+.5),a=t.getNumberOfTuples(),s=t.getNumberOfComponents(),l=n.getData(),u=t.getData(),c=[];if(r===pp.RGBA)for(let t=0;t{const r=JSON.stringify(t.colorSpace);n.ColorSpace&&(t.colorSpace=cp[n.ColorSpace.toUpperCase()],void 0===t.colorSpace&&(hp(`ColorSpace ${n.ColorSpace} not supported, using RGB instead`),t.colorSpace=cp.RGB));let o=r!==JSON.stringify(t.colorSpace);const i=o||JSON.stringify(t.nanColor);if(n.NanColor)for(t.nanColor=[].concat(n.NanColor);t.nanColor.length<4;)t.nanColor.push(1);o=o||i!==JSON.stringify(t.nanColor);const a=o||JSON.stringify(t.nodes);if(n.RGBPoints){const e=n.RGBPoints.length;t.nodes=[];const r=.5,o=0;for(let i=0;i2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,xp,n),lp.extend(e,t,n),t.table=[],t.nodes=[],t.nanColor=[.5,0,0,1],t.belowRangeColor=[0,0,0,1],t.aboveRangeColor=[1,1,1,1],t.buildTime={},gt.obj(t.buildTime),gt.get(e,t,["buildTime","mappingRange"]),gt.setGet(e,t,["useAboveRangeColor","useBelowRangeColor","colorSpace","discretize","numberOfValues"]),gt.setArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"],4),gt.getArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"]),bp(e,t)}var Tp={newInstance:gt.newInstance(_p,"vtkColorTransferFunction"),extend:_p,...up};const{vtkDebugMacro:Sp}=gt;function wp(e,t){t.classHierarchy.push("vtkCamera");const n=new Float64Array(3),r=new Float64Array([0,0,-1]),o=new Float64Array([0,1,0]),i=f(new Float64Array(16)),a=f(new Float64Array(16)),s=new Float64Array(3),l=new Float64Array(3),u=new Float64Array(3),d=f(new Float64Array(16)),p=f(new Float64Array(16)),g=new Float64Array(3),v=new Float64Array(3);function T(){t.viewPlaneNormal[0]=-t.directionOfProjection[0],t.viewPlaneNormal[1]=-t.directionOfProjection[1],t.viewPlaneNormal[2]=-t.directionOfProjection[2]}e.orthogonalizeViewUp=()=>{const n=e.getViewMatrix();t.viewUp[0]=n[4],t.viewUp[1]=n[5],t.viewUp[2]=n[6],e.modified()},e.setPosition=(n,r,o)=>{n===t.position[0]&&r===t.position[1]&&o===t.position[2]||(t.position[0]=n,t.position[1]=r,t.position[2]=o,e.computeDistance(),e.modified())},e.setFocalPoint=(n,r,o)=>{n===t.focalPoint[0]&&r===t.focalPoint[1]&&o===t.focalPoint[2]||(t.focalPoint[0]=n,t.focalPoint[1]=r,t.focalPoint[2]=o,e.computeDistance(),e.modified())},e.setDistance=n=>{if(t.distance===n)return;t.distance=n,t.distance<1e-20&&(t.distance=1e-20,Sp("Distance is set to minimum."));const r=t.directionOfProjection;t.focalPoint[0]=t.position[0]+r[0]*t.distance,t.focalPoint[1]=t.position[1]+r[1]*t.distance,t.focalPoint[2]=t.position[2]+r[2]*t.distance,e.modified()},e.computeDistance=()=>{const e=t.focalPoint[0]-t.position[0],n=t.focalPoint[1]-t.position[1],r=t.focalPoint[2]-t.position[2];if(t.distance=Math.sqrt(e*e+n*n+r*r),t.distance<1e-20){t.distance=1e-20,Sp("Distance is set to minimum.");const e=t.directionOfProjection;t.focalPoint[0]=t.position[0]+e[0]*t.distance,t.focalPoint[1]=t.position[1]+e[1]*t.distance,t.focalPoint[2]=t.position[2]+e[2]*t.distance}t.directionOfProjection[0]=e/t.distance,t.directionOfProjection[1]=n/t.distance,t.directionOfProjection[2]=r/t.distance,T()},e.dolly=n=>{if(n<=0)return;const r=t.distance/n;e.setPosition(t.focalPoint[0]-r*t.directionOfProjection[0],t.focalPoint[1]-r*t.directionOfProjection[1],t.focalPoint[2]-r*t.directionOfProjection[2])},e.roll=n=>{const r=t.position,o=t.focalPoint,i=t.viewUp,a=new Float64Array([i[0],i[1],i[2],0]);f(d);const s=new Float64Array([o[0]-r[0],o[1]-r[1],o[2]-r[2]]);_(d,d,xn(n),s),Mo(a,a,d),t.viewUp[0]=a[0],t.viewUp[1]=a[1],t.viewUp[2]=a[2],e.modified()},e.azimuth=n=>{const 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r=[...t.viewUp,1],o=[],i=[],a=[];r[0]+=t.position[0],r[1]+=t.position[1],r[2]+=t.position[2],Mo(o,[...t.position,1],n),Mo(i,[...t.focalPoint,1],n),Mo(a,r,n),a[0]-=o[0],a[1]-=o[1],a[2]-=o[2],e.setPosition(...o.slice(0,3)),e.setFocalPoint(...i.slice(0,3)),e.setViewUp(...a.slice(0,3))},e.getThickness=()=>t.clippingRange[1]-t.clippingRange[0],e.setThickness=n=>{let r=n;r<1e-20&&(r=1e-20,Sp("Thickness is set to minimum.")),e.setClippingRange(t.clippingRange[0],t.clippingRange[0]+r)},e.setThicknessFromFocalPoint=n=>{let r=n;r<1e-20&&(r=1e-20,Sp("Thickness is set to 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a=(t.windowCenter[0]-1)*r,s=(t.windowCenter[0]+1)*r,u=(t.windowCenter[1]-1)*o,c=(t.windowCenter[1]+1)*o,d=l[0],p=l[1];i[0]=2*d/(s-a),i[5]=2*d/(c-u),i[2]=(a+s)/(s-a),i[6]=(u+c)/(c-u),i[10]=-(d+p)/(p-d),i[14]=-1,i[11]=-2*d*p/(p-d),i[15]=0}}return c(o,i),o},e.getCompositeProjectionMatrix=(t,n,r)=>{const o=e.getViewMatrix(),i=e.getProjectionMatrix(t,n,r);return y(i,o,i),i},e.setDirectionOfProjection=(e,n,r)=>{if(t.directionOfProjection[0]===e&&t.directionOfProjection[1]===n&&t.directionOfProjection[2]===r)return;t.directionOfProjection[0]=e,t.directionOfProjection[1]=n,t.directionOfProjection[2]=r;const o=t.directionOfProjection;t.focalPoint[0]=t.position[0]+o[0]*t.distance,t.focalPoint[1]=t.position[1]+o[1]*t.distance,t.focalPoint[2]=t.position[2]+o[2]*t.distance,T()},e.setDeviceAngles=(n,r,o,i)=>{const a=[3];Bn(t.physicalViewNorth,t.physicalViewUp,a);const s=f(new 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Cp={position:[0,0,1],focalPoint:[0,0,0],viewUp:[0,1,0],directionOfProjection:[0,0,-1],parallelProjection:!1,useHorizontalViewAngle:!1,viewAngle:30,parallelScale:1,clippingRange:[.01,1000.01],windowCenter:[0,0],viewPlaneNormal:[0,0,1],useOffAxisProjection:!1,screenBottomLeft:[-.5,-.5,-.5],screenBottomRight:[.5,-.5,-.5],screenTopRight:[.5,.5,-.5],freezeFocalPoint:!1,projectionMatrix:null,viewMatrix:null,cameraLightTransform:l(),physicalTranslation:[0,0,0],physicalScale:1,physicalViewUp:[0,1,0],physicalViewNorth:[0,0,-1]};function Ap(e,t){let n=arguments.length>2&&void 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n=new Float64Array(3);tn(n,t.position,e),t.focalPoint=n},e.setDirectionAngle=(t,n)=>{const r=xn(t),o=xn(n);e.setPosition(Math.cos(r)*Math.sin(o),Math.sin(r),Math.cos(r)*Math.cos(o)),e.setFocalPoint(0,0,0),e.setPositional(0)},e.setLightTypeToHeadLight=()=>{e.setLightType("HeadLight")},e.setLightTypeToCameraLight=()=>{e.setLightType("CameraLight")},e.setLightTypeToSceneLight=()=>{e.setTransformMatrix(null),e.setLightType("SceneLight")},e.lightTypeIsHeadLight=()=>"HeadLight"===t.lightType,e.lightTypeIsSceneLight=()=>"SceneLight"===t.lightType,e.lightTypeIsCameraLight=()=>"CameraLight"===t.lightType}const Ip={switch:!0,intensity:1,color:[1,1,1],position:[0,0,1],focalPoint:[0,0,0],positional:!1,exponent:1,coneAngle:30,coneFalloff:5,attenuationValues:[1,0,0],transformMatrix:null,lightType:"SceneLight",shadowAttenuation:1,direction:[0,0,0],directionMTime:0};function Pp(e,t){let n=arguments.length>2&&void 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i=e.normalizedDisplayToProjection(t,n,r);return i=e.projectionToView(i[0],i[1],i[2],o),e.viewToWorld(i[0],i[1],i[2])},e.worldToNormalizedDisplay=(t,n,r,o)=>{let i=e.worldToView(t,n,r);return i=e.viewToProjection(i[0],i[1],i[2],o),e.projectionToNormalizedDisplay(i[0],i[1],i[2])},e.viewToWorld=(e,n,r)=>{if(null===t.activeCamera)return _f("ViewToWorld: no active camera, cannot compute view to world, returning 0,0,0"),[0,0,0];const o=t.activeCamera.getViewMatrix();m(o,o),h(o,o);const i=new Float64Array([e,n,r]);return Yt(i,i,o),i},e.projectionToView=(e,n,r,o)=>{if(null===t.activeCamera)return _f("ProjectionToView: no active camera, cannot compute projection to view, returning 0,0,0"),[0,0,0];const i=t.activeCamera.getProjectionMatrix(o,-1,1);m(i,i),h(i,i);const a=new Float64Array([e,n,r]);return Yt(a,a,i),a},e.worldToView=(e,n,r)=>{if(null===t.activeCamera)return _f("WorldToView: no active camera, cannot compute view to world, returning 0,0,0"),[0,0,0];const 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r>e&&(e=r),e},e.getTransparent=()=>!!t.preserveColorBuffer,e.isActiveCameraCreated=()=>!!t.activeCamera}const Cf={pickedProp:null,activeCamera:null,allBounds:[],ambient:[1,1,1],allocatedRenderTime:100,timeFactor:1,automaticLightCreation:!0,twoSidedLighting:!0,lastRenderTimeInSeconds:-1,renderWindow:null,lights:[],actors:[],volumes:[],lightFollowCamera:!0,numberOfPropsRendered:0,propArray:null,pathArray:null,layer:0,preserveColorBuffer:!1,preserveDepthBuffer:!1,computeVisiblePropBounds:Dr(),interactive:!0,nearClippingPlaneTolerance:0,clippingRangeExpansion:.05,erase:!0,draw:!0,useShadows:!1,useDepthPeeling:!1,occlusionRatio:0,maximumNumberOfPeels:4,selector:null,delegate:null,texturedBackground:!1,backgroundTexture:null,environmentTexture:null,environmentTextureDiffuseStrength:1,environmentTextureSpecularStrength:1,useEnvironmentTextureAsBackground:!1,pass:0};function Af(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};for(Object.assign(t,Cf,n),kp.extend(e,t,n),t.background||(t.background=[0,0,0,1]);t.background.length<3;)t.background.push(0);3===t.background.length&&t.background.push(1),He(e,t,["_renderWindow","allocatedRenderTime","timeFactor","lastRenderTimeInSeconds","numberOfPropsRendered","lastRenderingUsedDepthPeeling","selector"]),$e(e,t,["twoSidedLighting","lightFollowCamera","automaticLightCreation","erase","draw","nearClippingPlaneTolerance","clippingRangeExpansion","backingStore","interactive","layer","preserveColorBuffer","preserveDepthBuffer","useDepthPeeling","occlusionRatio","maximumNumberOfPeels","delegate","backgroundTexture","texturedBackground","environmentTexture","environmentTextureDiffuseStrength","environmentTextureSpecularStrength","useEnvironmentTextureAsBackground","useShadows","pass"]),Ye(e,t,["actors","volumes","lights"]),Qe(e,t,["background"],4,1),Ze(0,t,["renderWindow"]),wf(e,t)}var Ef={newInstance:rt(Af,"vtkRenderer"),extend:Af};const Df=Object.create(null);function If(e,t){Df[e]=t}function Pf(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return Df[e]&&Df[e](t)}function Of(e,t){t.classHierarchy.push("vtkRenderWindow"),e.addRenderer=n=>{e.hasRenderer(n)||(n.setRenderWindow(e),t.renderers.push(n),e.modified())},e.removeRenderer=n=>{t.renderers=t.renderers.filter((e=>e!==n)),e.modified()},e.hasRenderer=e=>-1!==t.renderers.indexOf(e),e.newAPISpecificView=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return Pf(e||t.defaultViewAPI,n)},e.addView=n=>{e.hasView(n)||(n.setRenderable(e),t._views.push(n),e.modified())},e.removeView=n=>{t._views=t._views.filter((e=>e!==n)),e.modified()},e.hasView=e=>-1!==t._views.indexOf(e),e.preRender=()=>{t.renderers.forEach((e=>{e.isActiveCameraCreated()||e.resetCamera()}))},e.render=()=>{e.preRender(),t.interactor?t.interactor.render():t._views.forEach((e=>e.traverseAllPasses()))},e.getStatistics=()=>{const e={propCount:0,invisiblePropCount:0,gpuMemoryMB:0};return t._views.forEach((t=>{e.gpuMemoryMB+=t.getGraphicsMemoryInfo()/1e6})),t.renderers.forEach((n=>{const r=n.getViewProps(),o=t._views[0].getViewNodeFor(n);r.forEach((t=>{if(t.getVisibility()){e.propCount+=1;const n=t.getMapper&&t.getMapper();if(n&&n.getPrimitiveCount){const t=o.getViewNodeFor(n);if(t){e.gpuMemoryMB+=t.getAllocatedGPUMemoryInBytes()/1e6;const r=n.getPrimitiveCount();Object.keys(r).forEach((t=>{e[t]||(e[t]=0),e[t]+=r[t]}))}}}else e.invisiblePropCount+=1}))})),e.str=Object.keys(e).map((t=>`${t}: ${e[t]}`)).join("\n"),e},e.captureImages=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"image/png",r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return gt.setImmediate(e.render),t._views.map((e=>e.captureNextImage?e.captureNextImage(n,r):void 0)).filter((e=>!!e))}}const Nf={defaultViewAPI:"WebGL",renderers:[],views:[],interactor:null,neverRendered:!0,numberOfLayers:1};function 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Lf={Device:Ff,Input:kf,Axis:{Unknown:0,TouchpadX:1,TouchpadY:2,ThumbstickX:3,ThumbstickY:4}};const{Device:Bf,Input:Vf}=Lf,{vtkWarningMacro:Uf,vtkErrorMacro:Gf,normalizeWheel:zf,vtkOnceErrorMacro:jf}=gt,Wf={ctrlKey:!1,altKey:!1,shiftKey:!1},Hf={"xr-standard":[Vf.Trigger,Vf.Grip,Vf.TrackPad,Vf.Thumbstick,Vf.A,Vf.B]},Xf=["StartAnimation","Animation","EndAnimation","PointerEnter","PointerLeave","MouseEnter","MouseLeave","StartMouseMove","MouseMove","EndMouseMove","LeftButtonPress","LeftButtonRelease","MiddleButtonPress","MiddleButtonRelease","RightButtonPress","RightButtonRelease","KeyPress","KeyDown","KeyUp","StartMouseWheel","MouseWheel","EndMouseWheel","StartPinch","Pinch","EndPinch","StartPan","Pan","EndPan","StartRotate","Rotate","EndRotate","Button3D","Move3D","StartPointerLock","EndPointerLock","StartInteraction","Interaction","EndInteraction","AnimationFrameRateUpdate"];function Kf(e){e.cancelable&&e.preventDefault()}function qf(e){const t=Object.create(null);return e.forEach((e=>{let{pointerId:n,position:r}=e;t[n]=r})),t}function $f(e,t){t.classHierarchy.push("vtkRenderWindowInteractor");const n=new Set,r=new Map;let o=1;function i(n,r){t._forcedRenderer||(t.currentRenderer=e.findPokedRenderer(n,r))}e.start=()=>{(t.initialized||(e.initialize(),t.initialized))&&e.startEventLoop()},e.setRenderWindow=e=>{Gf("you want to call setView(view) instead of setRenderWindow on a vtk.js interactor")},e.setInteractorStyle=n=>{t.interactorStyle!==n&&(null!=t.interactorStyle&&t.interactorStyle.setInteractor(null),t.interactorStyle=n,null!=t.interactorStyle&&t.interactorStyle.getInteractor()!==e&&t.interactorStyle.setInteractor(e))},e.initialize=()=>{t.initialized=!0,e.enable(),e.render()},e.enable=()=>e.setEnabled(!0),e.disable=()=>e.setEnabled(!1),e.startEventLoop=()=>Uf("empty event loop"),e.getCurrentRenderer=()=>(t.currentRenderer||i(0,0),t.currentRenderer);const a=t._getScreenEventPositionFor||function(e){const n=t._view.getCanvas(),o=n.getBoundingClientRect(),a=n.width/o.width,s=n.height/o.height,l={x:a*(e.clientX-o.left),y:s*(o.height-e.clientY+o.top),z:0};return(r.size<=1||!t.currentRenderer)&&i(l.x,l.y),l};function s(e){return{controlKey:e.ctrlKey,altKey:e.altKey,shiftKey:e.shiftKey}}function l(e){const t=s(e);return{key:e.key,keyCode:e.charCode,...t}}function u(e){return e.pointerType||""}function c(){t._view&&t.enabled&&t.enableRender&&(t.inRender=!0,t._view.traverseAllPasses(),t.inRender=!1),e.invokeRenderEvent()}e.bindEvents=n=>{t.container=n,n.addEventListener("contextmenu",Kf),n.addEventListener("wheel",e.handleWheel),n.addEventListener("DOMMouseScroll",e.handleWheel),n.addEventListener("pointerenter",e.handlePointerEnter),n.addEventListener("pointerleave",e.handlePointerLeave),n.addEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.addEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.addEventListener("pointerup",e.handlePointerUp),n.addEventListener("pointercancel",e.handlePointerCancel),document.addEventListener("keypress",e.handleKeyPress),document.addEventListener("keydown",e.handleKeyDown),document.addEventListener("keyup",e.handleKeyUp),document.addEventListener("pointerlockchange",e.handlePointerLockChange),n.style.touchAction="none",n.style.userSelect="none",n.style.webkitTapHighlightColor="rgba(0,0,0,0)"},e.unbindEvents=()=>{const{container:n}=t;n.removeEventListener("contextmenu",Kf),n.removeEventListener("wheel",e.handleWheel),n.removeEventListener("DOMMouseScroll",e.handleWheel),n.removeEventListener("pointerenter",e.handlePointerEnter),n.removeEventListener("pointerleave",e.handlePointerLeave),n.removeEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.removeEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.removeEventListener("pointerup",e.handlePointerUp),n.removeEventListener("pointercancel",e.handlePointerCancel),document.removeEventListener("keypress",e.handleKeyPress),document.removeEventListener("keydown",e.handleKeyDown),document.removeEventListener("keyup",e.handleKeyUp),document.removeEventListener("pointerlockchange",e.handlePointerLockChange),t.container=null,r.clear()},e.handleKeyPress=t=>{const n=l(t);e.keyPressEvent(n)},e.handleKeyDown=t=>{const n=l(t);e.keyDownEvent(n)},e.handleKeyUp=t=>{const n=l(t);e.keyUpEvent(n)},e.handlePointerEnter=t=>{const n={...s(t),position:a(t),deviceType:u(t)};e.pointerEnterEvent(n),"mouse"===n.deviceType&&e.mouseEnterEvent(n)},e.handlePointerLeave=t=>{const n={...s(t),position:a(t),deviceType:u(t)};e.pointerLeaveEvent(n),"mouse"===n.deviceType&&e.mouseLeaveEvent(n)},e.handlePointerDown=n=>{if(!(n.button>2||e.isPointerLocked()))switch(t.preventDefaultOnPointerDown&&Kf(n),n.target.hasPointerCapture(n.pointerId)&&n.target.releasePointerCapture(n.pointerId),t.container.setPointerCapture(n.pointerId),r.has(n.pointerId)&&Uf("[RenderWindowInteractor] duplicate pointerId 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pressed: ${t.button}`)}},e.requestPointerLock=()=>{t.container&&t.container.requestPointerLock()},e.exitPointerLock=()=>document.exitPointerLock?.(),e.isPointerLocked=()=>!!t.container&&document.pointerLockElement===t.container,e.handlePointerLockChange=()=>{e.isPointerLocked()?e.startPointerLockEvent():e.endPointerLockEvent()},e.requestAnimation=r=>{void 0!==r?n.has(r)?Uf("requester is already registered for animating"):(n.add(r),t.animationRequest||1!==n.size||t.xrAnimation||(t._animationStartTime=Date.now(),t._animationFrameCount=0,t.animationRequest=requestAnimationFrame(e.handleAnimation),e.startAnimationEvent())):Gf("undefined requester, can not start animating")},e.extendAnimation=r=>{const o=Date.now()+r;t._animationExtendedEnd=Math.max(t._animationExtendedEnd,o),t.animationRequest||0!==n.size||t.xrAnimation||(t._animationStartTime=Date.now(),t._animationFrameCount=0,t.animationRequest=requestAnimationFrame(e.handleAnimation),e.startAnimationEvent())},e.isAnimating=()=>t.xrAnimation||null!==t.animationRequest,e.cancelAnimation=function(r){let o=arguments.length>1&&void 0!==arguments[1]&&arguments[1];if(n.has(r))n.delete(r),t.animationRequest&&0===n.size&&Date.now()>t._animationExtendedEnd&&(cancelAnimationFrame(t.animationRequest),t.animationRequest=null,e.endAnimationEvent(),e.render());else if(!o){const e=r&&r.getClassName?r.getClassName():r;Uf(`${e} did not request an animation`)}},e.switchToXRAnimation=()=>{t.animationRequest&&(cancelAnimationFrame(t.animationRequest),t.animationRequest=null),t.xrAnimation=!0},e.returnFromXRAnimation=()=>{t.xrAnimation=!1,0!==n.size&&(t.recentAnimationFrameRate=10,t.animationRequest=requestAnimationFrame(e.handleAnimation))},e.updateXRGamepads=(n,r,o)=>{n.inputSources.forEach((n=>{const i=null==n.gripSpace?null:r.getPose(n.gripSpace,o),a=n.gamepad,s=n.handedness;if(a){a.index in t.lastGamepadValues||(t.lastGamepadValues[a.index]={left:{buttons:{}},right:{buttons:{}},none:{buttons:{}}});for(let r=0;r{const r={...s(n),position:a(n),deviceType:u(n)};0===t.moveTimeoutID?e.startMouseMoveEvent(r):(e.mouseMoveEvent(r),clearTimeout(t.moveTimeoutID)),t.moveTimeoutID=setTimeout((()=>{e.endMouseMoveEvent(),t.moveTimeoutID=0}),200)},e.handleAnimation=()=>{const r=Date.now();t._animationFrameCount++,r-t._animationStartTime>1e3&&t._animationFrameCount>1&&(t.recentAnimationFrameRate=1e3*(t._animationFrameCount-1)/(r-t._animationStartTime),t.lastFrameTime=1/t.recentAnimationFrameRate,e.animationFrameRateUpdateEvent(),t._animationStartTime=r,t._animationFrameCount=1),e.animationEvent(),c(),n.size>0||Date.now(){Kf(n);const r={...zf(n),...s(n),position:a(n),deviceType:u(n)};0===t.wheelTimeoutID&&(o=Math.abs(r.spinY)>=.3?Math.abs(r.spinY):1),r.spinY/=o,0===t.wheelTimeoutID?(e.startMouseWheelEvent(r),e.mouseWheelEvent(r)):(e.mouseWheelEvent(r),clearTimeout(t.wheelTimeoutID)),t.mouseScrollDebounceByPass?(e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0):t.wheelTimeoutID=setTimeout((()=>{e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0}),200)},e.handleMouseUp=t=>{const n={...s(t),position:a(t),deviceType:u(t)};switch(t.button){case 0:e.leftButtonReleaseEvent(n);break;case 1:e.middleButtonReleaseEvent(n);break;case 2:e.rightButtonReleaseEvent(n);break;default:Gf(`Unknown mouse button released: ${t.button}`)}},e.handleTouchStart=n=>{const o=[...r.values()];if(t.recognizeGestures&&o.length>1){const t=qf(r);if(2===o.length){const t={...s(Wf),position:o[0].position,deviceType:u(n)};e.leftButtonReleaseEvent(t)}e.recognizeGesture("TouchStart",t)}else if(1===o.length){const t={...s(Wf),position:a(n),deviceType:u(n)};e.leftButtonPressEvent(t)}},e.handleTouchMove=n=>{const o=[...r.values()];if(t.recognizeGestures&&o.length>1){const t=qf(r);e.recognizeGesture("TouchMove",t)}else if(1===o.length){const t={...s(Wf),position:o[0].position,deviceType:u(n)};e.mouseMoveEvent(t)}},e.handleTouchEnd=n=>{const o=[...r.values()];if(t.recognizeGestures)if(0===o.length){const t={...s(Wf),position:a(n),deviceType:u(n)};e.leftButtonReleaseEvent(t)}else if(1===o.length){const t=qf(r);e.recognizeGesture("TouchEnd",t);const i={...s(Wf),position:o[0].position,deviceType:u(n)};e.leftButtonPressEvent(i)}else{const t=qf(r);e.recognizeGesture("TouchMove",t)}else if(1===o.length){const t={...s(Wf),position:o[0].position,deviceType:u(n)};e.leftButtonReleaseEvent(t)}},e.setView=n=>{t._view!==n&&(t._view=n,t._view.getRenderable().setInteractor(e),e.modified())},e.getFirstRenderer=()=>t._view?.getRenderable()?.getRenderersByReference()?.[0],e.findPokedRenderer=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;if(!t._view)return null;const r=t._view?.getRenderable()?.getRenderers();if(!r||0===r.length)return null;r.sort(((e,t)=>e.getLayer()-t.getLayer()));let o=null,i=null,a=null,s=r.length;for(;s--;){const l=r[s];if(t._view.isInViewport(e,n,l)&&l.getInteractive()){a=l;break}null===o&&l.getInteractive()&&(o=l),null===i&&t._view.isInViewport(e,n,l)&&(i=l)}return null===a&&(a=o),null===a&&(a=i),null==a&&(a=r[0]),a},e.render=()=>{e.isAnimating()||t.inRender||c()},Xf.forEach((n=>{const r=n.charAt(0).toLowerCase()+n.slice(1);e[`${r}Event`]=r=>{if(!t.enabled)return;if(!e.getCurrentRenderer())return void jf("\n Can not forward events without a current renderer on the interactor.\n ");const o={type:n,pokedRenderer:t.currentRenderer,firstRenderer:e.getFirstRenderer(),...r};e[`invoke${n}`](o)}})),e.recognizeGesture=(n,r)=>{if(Object.keys(r).length>2)return;if(t.startingEventPositions||(t.startingEventPositions={}),"TouchStart"===n)return Object.keys(r).forEach((e=>{t.startingEventPositions[e]=r[e]})),void(t.currentGesture="Start");if("TouchEnd"===n)return"Pinch"===t.currentGesture&&(e.render(),e.endPinchEvent()),"Rotate"===t.currentGesture&&(e.render(),e.endRotateEvent()),"Pan"===t.currentGesture&&(e.render(),e.endPanEvent()),t.currentGesture="Start",void(t.startingEventPositions={});let o=0;const i=[],a=[];Object.keys(r).forEach((e=>{i[o]=r[e],a[o]=t.startingEventPositions[e],o++}));const s=Math.sqrt((a[0].x-a[1].x)*(a[0].x-a[1].x)+(a[0].y-a[1].y)*(a[0].y-a[1].y)),l=Math.sqrt((i[0].x-i[1].x)*(i[0].x-i[1].x)+(i[0].y-i[1].y)*(i[0].y-i[1].y));let u=_n(Math.atan2(a[1].y-a[0].y,a[1].x-a[0].x)),c=_n(Math.atan2(i[1].y-i[0].y,i[1].x-i[0].x)),d=c-u;c=c+180>=360?c-180:c+180,u=u+180>=360?u-180:u+180,Math.abs(c-u)n&&o>i&&o>a){t.currentGesture="Pinch";const n={scale:1,touches:r};e.startPinchEvent(n)}else if(i>n&&i>a){t.currentGesture="Rotate";const n={rotation:0,touches:r};e.startRotateEvent(n)}else if(a>n){t.currentGesture="Pan";const n={translation:[0,0],touches:r};e.startPanEvent(n)}}else{if("Rotate"===t.currentGesture){const t={rotation:d,touches:r};e.rotateEvent(t)}if("Pinch"===t.currentGesture){const t={scale:l/s,touches:r};e.pinchEvent(t)}if("Pan"===t.currentGesture){const t={translation:p,touches:r};e.panEvent(t)}}},e.handleVisibilityChange=()=>{t._animationStartTime=Date.now(),t._animationFrameCount=0},e.setCurrentRenderer=e=>{t._forcedRenderer=!!e,t.currentRenderer=e};const d=e.delete;e.delete=()=>{for(;n.size;)e.cancelAnimation(n.values().next().value);void 0!==document.hidden&&document.removeEventListener("visibilitychange",e.handleVisibilityChange),t.container&&e.unbindEvents(),d()},void 0!==document.hidden&&document.addEventListener("visibilitychange",e.handleVisibilityChange,!1)}const Yf={renderWindow:null,interactorStyle:null,picker:null,pickingManager:null,initialized:!1,enabled:!1,enableRender:!0,currentRenderer:null,lightFollowCamera:!0,desiredUpdateRate:30,stillUpdateRate:2,container:null,recognizeGestures:!0,currentGesture:"Start",animationRequest:null,lastFrameTime:.1,recentAnimationFrameRate:10,wheelTimeoutID:0,moveTimeoutID:0,lastGamepadValues:{},preventDefaultOnPointerDown:!1,preventDefaultOnPointerUp:!1,mouseScrollDebounceByPass:!1};function Jf(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Yf,n),gt.obj(e,t),t._animationExtendedEnd=0,gt.event(e,t,"RenderEvent"),Xf.forEach((n=>gt.event(e,t,n))),gt.get(e,t,["initialized","container","interactorStyle","lastFrameTime","recentAnimationFrameRate","_view"]),gt.setGet(e,t,["lightFollowCamera","enabled","enableRender","recognizeGestures","desiredUpdateRate","stillUpdateRate","picker","preventDefaultOnPointerDown","preventDefaultOnPointerUp","mouseScrollDebounceByPass"]),gt.moveToProtected(e,t,["view"]),$f(e,t)}var Qf={newInstance:gt.newInstance(Jf,"vtkRenderWindowInteractor"),extend:Jf,handledEvents:Xf,...Lf};const{vtkErrorMacro:Zf,VOID:eh}=gt;function th(e,t){t.classHierarchy.push("vtkInteractorObserver");const n={...e};function r(){for(;t.subscribedEvents.length;)t.subscribedEvents.pop().unsubscribe()}function o(){Qf.handledEvents.forEach((n=>{e[`handle${n}`]&&t.subscribedEvents.push(t._interactor[`on${n}`]((r=>t.processEvents?e[`handle${n}`](r):eh),t.priority))}))}e.setInteractor=n=>{n!==t._interactor&&(r(),t._interactor=n,n&&t.enabled&&o(),e.modified())},e.setEnabled=n=>{n!==t.enabled&&(r(),n&&(t._interactor?o():Zf("\n The interactor must be set before subscribing to events\n ")),t.enabled=n,e.modified())},e.computeDisplayToWorld=(e,n,r,o)=>e?t._interactor.getView().displayToWorld(n,r,o,e):null,e.computeWorldToDisplay=(e,n,r,o)=>e?t._interactor.getView().worldToDisplay(n,r,o,e):null,e.setPriority=e=>{n.setPriority(e)&&t._interactor&&(r(),o())}}const nh={enabled:!0,priority:0,processEvents:!0,subscribedEvents:[]};function rh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,nh,n),gt.obj(e,t),gt.event(e,t,"InteractionEvent"),gt.event(e,t,"StartInteractionEvent"),gt.event(e,t,"EndInteractionEvent"),gt.get(e,t,["_interactor","enabled"]),gt.setGet(e,t,["priority","processEvents"]),gt.moveToProtected(e,t,["interactor"]),th(e,t)}var oh={newInstance:gt.newInstance(rh,"vtkInteractorObserver"),extend:rh,computeWorldToDisplay:function(e,t,n,r){return e.getRenderWindow().getViews()[0].worldToDisplay(t,n,r,e)},computeDisplayToWorld:function(e,t,n,r){return e.getRenderWindow().getViews()[0].displayToWorld(t,n,r,e)}},ih={States:{IS_START:0,IS_NONE:0,IS_ROTATE:1,IS_PAN:2,IS_SPIN:3,IS_DOLLY:4,IS_CAMERA_POSE:11,IS_WINDOW_LEVEL:1024,IS_SLICE:1025}};const{States:ah}=ih,sh={Rotate:ah.IS_ROTATE,Pan:ah.IS_PAN,Spin:ah.IS_SPIN,Dolly:ah.IS_DOLLY,CameraPose:ah.IS_CAMERA_POSE,WindowLevel:ah.IS_WINDOW_LEVEL,Slice:ah.IS_SLICE};function lh(e,t){t.classHierarchy.push("vtkInteractorStyle"),Object.keys(sh).forEach((n=>{gt.event(e,t,`Start${n}Event`),e[`start${n}`]=()=>{t.state===ah.IS_NONE&&(t.state=sh[n],t._interactor.requestAnimation(e),e.invokeStartInteractionEvent({type:"StartInteractionEvent"}),e[`invokeStart${n}Event`]({type:`Start${n}Event`}))},gt.event(e,t,`End${n}Event`),e[`end${n}`]=()=>{t.state===sh[n]&&(t.state=ah.IS_NONE,t._interactor.cancelAnimation(e),e.invokeEndInteractionEvent({type:"EndInteractionEvent"}),e[`invokeEnd${n}Event`]({type:`End${n}Event`}),t._interactor.render())}})),e.handleKeyPress=e=>{const n=t._interactor;let r=null;switch(e.key){case"r":case"R":e.pokedRenderer.resetCamera(),n.render();break;case"w":case"W":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToWireframe&&t.setRepresentationToWireframe()})),n.render();break;case"s":case"S":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToSurface&&t.setRepresentationToSurface()})),n.render();break;case"v":case"V":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToPoints&&t.setRepresentationToPoints()})),n.render()}}}const uh={state:ah.IS_NONE,handleObservers:1,autoAdjustCameraClippingRange:1};function ch(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uh,n),oh.extend(e,t,n),lh(e,t)}var dh={newInstance:gt.newInstance(ch,"vtkInteractorStyle"),extend:ch,...ih};const{States:ph}=ih;function fh(e,t){t.classHierarchy.push("vtkInteractorStyleTrackballCamera"),e.handleMouseMove=n=>{const r=n.position,o=n.pokedRenderer;switch(t.state){case ph.IS_ROTATE:e.handleMouseRotate(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case ph.IS_PAN:e.handleMousePan(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case ph.IS_DOLLY:e.handleMouseDolly(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case ph.IS_SPIN:e.handleMouseSpin(o,r),e.invokeInteractionEvent({type:"InteractionEvent"})}t.previousPosition=r},e.handleButton3D=n=>{!n||!n.pressed||n.device!==Ff.RightController||n.input!==kf.Trigger&&n.input!==kf.TrackPad?!n||n.pressed||n.device!==Ff.RightController||n.input!==kf.Trigger&&n.input!==kf.TrackPad||t.state!==ph.IS_CAMERA_POSE||e.endCameraPose():e.startCameraPose()},e.handleMove3D=n=>{t.state===ph.IS_CAMERA_POSE&&e.updateCameraPose(n)},e.updateCameraPose=e=>{const t=e.pokedRenderer.getActiveCamera(),n=t.getPhysicalTranslation(),r=.025*t.getPhysicalScale(),o=t.physicalOrientationToWorldDirection([e.orientation.x,e.orientation.y,e.orientation.z,e.orientation.w]);t.setPhysicalTranslation(n[0]+o[0]*r,n[1]+o[1]*r,n[2]+o[2]*r)},e.handleLeftButtonPress=n=>{const r=n.position;t.previousPosition=r,n.shiftKey?n.controlKey||n.altKey?e.startDolly():e.startPan():n.controlKey||n.altKey?e.startSpin():e.startRotate()},e.handleLeftButtonRelease=()=>{switch(t.state){case ph.IS_DOLLY:e.endDolly();break;case ph.IS_PAN:e.endPan();break;case ph.IS_SPIN:e.endSpin();break;case ph.IS_ROTATE:e.endRotate()}},e.handleStartMouseWheel=()=>{e.startDolly()},e.handleEndMouseWheel=()=>{e.endDolly()},e.handleStartPinch=n=>{t.previousScale=n.scale,e.startDolly()},e.handleEndPinch=()=>{e.endDolly()},e.handleStartRotate=n=>{t.previousRotation=n.rotation,e.startRotate()},e.handleEndRotate=()=>{e.endRotate()},e.handleStartPan=n=>{t.previousTranslation=n.translation,e.startPan()},e.handleEndPan=()=>{e.endPan()},e.handlePinch=n=>{e.dollyByFactor(n.pokedRenderer,n.scale/t.previousScale),t.previousScale=n.scale},e.handlePan=n=>{const r=n.pokedRenderer.getActiveCamera();let o=r.getFocalPoint();o=e.computeWorldToDisplay(n.pokedRenderer,o[0],o[1],o[2]);const i=o[2],a=n.translation,s=t.previousTranslation,l=e.computeDisplayToWorld(n.pokedRenderer,o[0]+a[0]-s[0],o[1]+a[1]-s[1],i),u=e.computeDisplayToWorld(n.pokedRenderer,o[0],o[1],i),c=[];c[0]=u[0]-l[0],c[1]=u[1]-l[1],c[2]=u[2]-l[2],o=r.getFocalPoint();const d=r.getPosition();r.setFocalPoint(c[0]+o[0],c[1]+o[1],c[2]+o[2]),r.setPosition(c[0]+d[0],c[1]+d[1],c[2]+d[2]),t._interactor.getLightFollowCamera()&&n.pokedRenderer.updateLightsGeometryToFollowCamera(),r.orthogonalizeViewUp(),t.previousTranslation=n.translation},e.handleRotate=e=>{const n=e.pokedRenderer.getActiveCamera();n.roll(e.rotation-t.previousRotation),n.orthogonalizeViewUp(),t.previousRotation=e.rotation},e.handleMouseRotate=(e,n)=>{if(!t.previousPosition)return;const r=t._interactor,o=n.x-t.previousPosition.x,i=n.y-t.previousPosition.y,a=r.getView().getViewportSize(e);let s=-.1,l=-.1;a[0]&&a[1]&&(s=-20/a[1],l=-20/a[0]);const u=o*l*t.motionFactor,c=i*s*t.motionFactor,d=e.getActiveCamera();Number.isNaN(u)||Number.isNaN(c)||(d.azimuth(u),d.elevation(c),d.orthogonalizeViewUp()),t.autoAdjustCameraClippingRange&&e.resetCameraClippingRange(),r.getLightFollowCamera()&&e.updateLightsGeometryToFollowCamera()},e.handleMouseSpin=(e,n)=>{if(!t.previousPosition)return;const r=t._interactor,o=e.getActiveCamera(),i=r.getView().getViewportCenter(e),a=_n(Math.atan2(t.previousPosition.y-i[1],t.previousPosition.x-i[0])),s=_n(Math.atan2(n.y-i[1],n.x-i[0]))-a;Number.isNaN(s)||(o.roll(s),o.orthogonalizeViewUp())},e.handleMousePan=(n,r)=>{if(!t.previousPosition)return;const o=n.getActiveCamera();let i=o.getFocalPoint();i=e.computeWorldToDisplay(n,i[0],i[1],i[2]);const a=i[2],s=e.computeDisplayToWorld(n,r.x,r.y,a),l=e.computeDisplayToWorld(n,t.previousPosition.x,t.previousPosition.y,a),u=[];u[0]=l[0]-s[0],u[1]=l[1]-s[1],u[2]=l[2]-s[2],i=o.getFocalPoint();const c=o.getPosition();o.setFocalPoint(u[0]+i[0],u[1]+i[1],u[2]+i[2]),o.setPosition(u[0]+c[0],u[1]+c[1],u[2]+c[2]),t._interactor.getLightFollowCamera()&&n.updateLightsGeometryToFollowCamera()},e.handleMouseDolly=(n,r)=>{if(!t.previousPosition)return;const o=r.y-t.previousPosition.y,i=t._interactor.getView().getViewportCenter(n),a=t.motionFactor*o/i[1];e.dollyByFactor(n,1.1**a)},e.handleMouseWheel=n=>{const r=1-n.spinY/t.zoomFactor;e.dollyByFactor(n.pokedRenderer,r)},e.dollyByFactor=(e,n)=>{if(Number.isNaN(n))return;const r=e.getActiveCamera();r.getParallelProjection()?r.setParallelScale(r.getParallelScale()/n):(r.dolly(n),t.autoAdjustCameraClippingRange&&e.resetCameraClippingRange()),t._interactor.getLightFollowCamera()&&e.updateLightsGeometryToFollowCamera()}}const hh={motionFactor:10,zoomFactor:10};function mh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,hh,n),dh.extend(e,t,n),gt.setGet(e,t,["motionFactor","zoomFactor"]),fh(e,t)}var gh={newInstance:gt.newInstance(mh,"vtkInteractorStyleTrackballCamera"),extend:mh};function vh(e){return e}function yh(e){return null===e||"null"===e?null:"true"===e||"false"!==e&&(void 0!==e&&"undefined"!==e?"["===e[0]&&"]"===e[e.length-1]?e.substring(1,e.length-1).split(",").map((e=>yh(e.trim()))):""===e||Number.isNaN(Number(e))?e:Number(e):void 0)}var bh=function(){let e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0],t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:window.location.search;const n={},r=e?yh:vh,o=(t||"").replace(/#.*/,"").replace("?","").split("&");return o.forEach((e=>{const[t,o]=e.split("=").map((e=>decodeURIComponent(e)));t&&(n[t]=!o||r(o))})),n},xh={CoordinateSystem:{DISPLAY:0,WORLD:1}};const{CoordinateSystem:_h}=xh;function Th(e){return()=>gt.vtkErrorMacro(`vtkProp::${e} - NOT IMPLEMENTED`)}function Sh(e,t){t.classHierarchy.push("vtkProp"),e.getMTime=()=>{let e=t.mtime;for(let n=0;ne&&(e=r)}return e},e.processSelectorPixelBuffers=(e,t)=>{},e.getNestedProps=()=>null,e.getActors=()=>[],e.getActors2D=()=>[],e.getVolumes=()=>[],e.pick=Th("pick"),e.hasKey=Th("hasKey"),e.getNestedVisibility=()=>t.visibility&&(!t._parentProp||t._parentProp.getNestedVisibility()),e.getNestedPickable=()=>t.pickable&&(!t._parentProp||t._parentProp.getNestedPickable()),e.getNestedDragable=()=>t.dragable&&(!t._parentProp||t._parentProp.getNestedDragable()),e.getRedrawMTime=()=>t.mtime,e.setEstimatedRenderTime=e=>{t.estimatedRenderTime=e,t.savedEstimatedRenderTime=e},e.restoreEstimatedRenderTime=()=>{t.estimatedRenderTime=t.savedEstimatedRenderTime},e.addEstimatedRenderTime=e=>{t.estimatedRenderTime+=e},e.setAllocatedRenderTime=e=>{t.allocatedRenderTime=e,t.savedEstimatedRenderTime=t.estimatedRenderTime,t.estimatedRenderTime=0},e.getSupportsSelection=()=>!1,e.getTextures=()=>t.textures,e.hasTexture=e=>-1!==t.textures.indexOf(e),e.addTexture=n=>{n&&!e.hasTexture(n)&&(t.textures=t.textures.concat(n),e.modified())},e.removeTexture=n=>{const r=t.textures.filter((e=>e!==n));t.textures.length!==r.length&&(t.textures=r,e.modified())},e.removeAllTextures=()=>{t.textures=[],e.modified()},e.setCoordinateSystemToWorld=()=>e.setCoordinateSystem(_h.WORLD),e.setCoordinateSystemToDisplay=()=>e.setCoordinateSystem(_h.DISPLAY)}const wh={allocatedRenderTime:10,coordinateSystem:_h.WORLD,dragable:!0,estimatedRenderTime:0,paths:null,pickable:!0,renderTimeMultiplier:1,savedEstimatedRenderTime:0,textures:[],useBounds:!0,visibility:!0};function Ch(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,wh,n),gt.obj(e,t),gt.get(e,t,["estimatedRenderTime","allocatedRenderTime"]),gt.setGet(e,t,["_parentProp","coordinateSystem","dragable","pickable","renderTimeMultiplier","useBounds","visibility"]),gt.moveToProtected(e,t,["parentProp"]),Sh(e,t)}var Ah={newInstance:gt.newInstance(Ch,"vtkProp"),extend:Ch,...xh};function Eh(e,t){t.classHierarchy.push("vtkProp3D"),e.addPosition=n=>{t.position=t.position.map(((e,t)=>e+n[t])),e.modified()},e.getOrientationWXYZ=()=>{const e=Ro();F(e,t.rotation);const n=new Float64Array(3),r=function(e,t){var n=2*Math.acos(t[3]),r=Math.sin(n/2);return r>o?(e[0]=t[0]/r,e[1]=t[1]/r,e[2]=t[2]/r):(e[0]=1,e[1]=0,e[2]=0),n}(n,e);return[_n(r),n[0],n[1],n[2]]},e.rotateX=n=>{0!==n&&(T(t.rotation,t.rotation,xn(n)),e.modified())},e.rotateY=n=>{0!==n&&(S(t.rotation,t.rotation,xn(n)),e.modified())},e.rotateZ=n=>{0!==n&&(w(t.rotation,t.rotation,xn(n)),e.modified())},e.rotateWXYZ=(n,r,o,i)=>{if(0===n||0===r&&0===o&&0===i)return;const a=xn(n),s=Ro();Fo(s,[r,o,i],a);const l=new Float64Array(16);B(l,s),y(t.rotation,t.rotation,l),e.modified()},e.setOrientation=(n,r,o)=>(n!==t.orientation[0]||r!==t.orientation[1]||o!==t.orientation[2])&&(t.orientation=[n,r,o],f(t.rotation),e.rotateZ(o),e.rotateX(n),e.rotateY(r),e.modified(),!0),e.setUserMatrix=n=>!$n(t.userMatrix,n)&&(c(t.userMatrix,n),e.modified(),!0),e.getMatrix=()=>(e.computeMatrix(),t.matrix),e.computeMatrix=()=>{if(e.getMTime()>t.matrixMTime.getMTime()){f(t.matrix),t.userMatrix&&y(t.matrix,t.matrix,t.userMatrix),b(t.matrix,t.matrix,t.origin),b(t.matrix,t.matrix,t.position),y(t.matrix,t.matrix,t.rotation),x(t.matrix,t.matrix,t.scale),b(t.matrix,t.matrix,[-t.origin[0],-t.origin[1],-t.origin[2]]),h(t.matrix,t.matrix),t.isIdentity=!0;for(let e=0;e<4;++e)for(let n=0;n<4;++n)(e===n?1:0)!==t.matrix[e+4*n]&&(t.isIdentity=!1);t.matrixMTime.modified()}},e.getCenter=()=>bf.getCenter(t.bounds),e.getLength=()=>bf.getLength(t.bounds),e.getXRange=()=>bf.getXRange(t.bounds),e.getYRange=()=>bf.getYRange(t.bounds),e.getZRange=()=>bf.getZRange(t.bounds),e.getUserMatrix=()=>t.userMatrix,e.onModified((function(){e.computeMatrix()}))}const Dh={origin:[0,0,0],position:[0,0,0],orientation:[0,0,0],rotation:null,scale:[1,1,1],bounds:[1,-1,1,-1,1,-1],userMatrix:null,userMatrixMTime:null,cachedProp3D:null,isIdentity:!0,matrixMTime:null};function Ih(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Dh,n),Ah.extend(e,t,n),t.matrixMTime={},gt.obj(t.matrixMTime),gt.get(e,t,["bounds","isIdentity"]),gt.getArray(e,t,["orientation"]),gt.setGetArray(e,t,["origin","position","scale"],3),t.matrix=f(new Float64Array(16)),t.rotation=f(new Float64Array(16)),t.userMatrix=f(new Float64Array(16)),t.transform=null,Eh(e,t)}var Ph={newInstance:gt.newInstance(Ih,"vtkProp3D"),extend:Ih};const{vtkDebugMacro:Oh}=gt;function Nh(e,t){t.classHierarchy.push("vtkActor");const n={...e};e.getActors=()=>[e],e.getIsOpaque=()=>{if(t.forceOpaque)return!0;if(t.forceTranslucent)return!1;t.property||e.getProperty();let n=t.property.getOpacity()>=1;return n=n&&(!t.texture||!t.texture.isTranslucent()),n=n&&(!t.mapper||t.mapper.getIsOpaque()),n},e.hasTranslucentPolygonalGeometry=()=>null!==t.mapper&&(null===t.property&&e.setProperty(e.makeProperty()),!e.getIsOpaque()),e.makeProperty=wu.newInstance,e.getProperty=()=>(null===t.property&&(t.property=e.makeProperty()),t.property),e.getBounds=()=>{if(null===t.mapper)return t.bounds;const n=t.mapper.getBounds();if(!n||6!==n.length)return n;if(n[0]>n[1])return t.mapperBounds=n.concat(),t.bounds=[1,-1,1,-1,1,-1],t.boundsMTime.modified(),n;if(!t.mapperBounds||n[0]!==t.mapperBounds[0]||n[1]!==t.mapperBounds[1]||n[2]!==t.mapperBounds[2]||n[3]!==t.mapperBounds[3]||n[4]!==t.mapperBounds[4]||n[5]!==t.mapperBounds[5]||e.getMTime()>t.boundsMTime.getMTime()){Oh("Recomputing bounds..."),t.mapperBounds=n.concat();const r=[];bf.getCorners(n,r),e.computeMatrix();const o=new Float64Array(16);h(o,t.matrix),r.forEach((e=>Yt(e,e,o))),t.bounds[0]=t.bounds[2]=t.bounds[4]=Number.MAX_VALUE,t.bounds[1]=t.bounds[3]=t.bounds[5]=-Number.MAX_VALUE,t.bounds=t.bounds.map(((e,t)=>t%2==0?r.reduce(((e,n)=>e>n[t/2]?n[t/2]:e),e):r.reduce(((e,n)=>e{let e=n.getMTime();if(null!==t.property){const n=t.property.getMTime();e=n>e?n:e}if(null!==t.backfaceProperty){const n=t.backfaceProperty.getMTime();e=n>e?n:e}return e},e.getRedrawMTime=()=>{let e=t.mtime;if(null!==t.mapper){let n=t.mapper.getMTime();e=n>e?n:e,null!==t.mapper.getInput()&&(t.mapper.getInputAlgorithm().update(),n=t.mapper.getInput().getMTime(),e=n>e?n:e)}return e},e.getSupportsSelection=()=>!!t.mapper&&t.mapper.getSupportsSelection(),e.processSelectorPixelBuffers=(e,n)=>{t.mapper&&t.mapper.processSelectorPixelBuffers&&t.mapper.processSelectorPixelBuffers(e,n)}}const Mh={mapper:null,property:null,backfaceProperty:null,forceOpaque:!1,forceTranslucent:!1,bounds:[1,-1,1,-1,1,-1]};function Rh(e,t){t.classHierarchy.push("vtkAbstractMapper"),e.update=()=>{e.getInputData()},e.addClippingPlane=n=>!!n.isA("vtkPlane")&&!t.clippingPlanes.includes(n)&&(t.clippingPlanes.push(n),e.modified(),!0),e.getNumberOfClippingPlanes=()=>t.clippingPlanes.length,e.removeAllClippingPlanes=()=>0!==t.clippingPlanes.length&&(t.clippingPlanes.length=0,e.modified(),!0),e.removeClippingPlane=n=>{const r=t.clippingPlanes.indexOf(n);return-1!==r&&(t.clippingPlanes.splice(r,1),e.modified(),!0)},e.getClippingPlanes=()=>t.clippingPlanes,e.setClippingPlanes=t=>{if(t)if(Array.isArray(t)){const n=t.length;for(let r=0;r{const o=t.clippingPlanes,i=e;if(o){const e=o.length;if(n>=0&&n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Mh,n),Ph.extend(e,t,n),t.boundsMTime={},gt.obj(t.boundsMTime),gt.set(e,t,["property"]),gt.setGet(e,t,["backfaceProperty","forceOpaque","forceTranslucent","mapper"]),Nh(e,t)}),"vtkActor");const Fh={clippingPlanes:[]};var kh=function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fh,n),gt.obj(e,t),gt.algo(e,t,1,0),t.clippingPlanes||(t.clippingPlanes=[]),Rh(e,t)};function Lh(e,t){e.getBounds=()=>(gt.vtkErrorMacro("vtkAbstractMapper3D.getBounds - NOT IMPLEMENTED"),Dr()),e.getCenter=()=>{const n=e.getBounds();return t.center=bf.isValid(n)?bf.getCenter(n):null,t.center?.slice()},e.getLength=()=>{const t=e.getBounds();return bf.getDiagonalLength(t)}}const Bh=e=>({bounds:[...bf.INIT_BOUNDS],center:[0,0,0],viewSpecificProperties:{},...e});var Vh=function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Bh(n)),kh(e,t,n),gt.setGet(e,t,["viewSpecificProperties"]),Lh(e,t)};const Uh={UNCHANGED:0,SINGLE_POINT:1,X_LINE:2,Y_LINE:3,Z_LINE:4,XY_PLANE:5,YZ_PLANE:6,XZ_PLANE:7,XYZ_GRID:8,EMPTY:9};var Gh={StructuredType:Uh};const{StructuredType:zh}=Gh;var jh={getDataDescriptionFromExtent:function(e){let t=0;for(let n=0;n<3;++n)e[2*n]e[1]||e[2]>e[3]||e[4]>e[5]?zh.EMPTY:3===t?zh.XYZ_GRID:2===t?e[0]===e[1]?zh.YZ_PLANE:e[2]===e[3]?zh.XZ_PLANE:zh.XY_PLANE:1===t?e[0]e!==i[t]));return a&&(t.extent=i.slice(),t.dataDescription=jh.getDataDescriptionFromExtent(t.extent),e.modified()),a},e.setDimensions=function(){let n,r,o;if(t.deleted)Wh("instance deleted - cannot call any method");else{if(1===arguments.length){const e=arguments.length<=0?void 0:arguments[0];n=e[0],r=e[1],o=e[2]}else{if(3!==arguments.length)return void Wh("Bad dimension specification");n=arguments.length<=0?void 0:arguments[0],r=arguments.length<=1?void 0:arguments[1],o=arguments.length<=2?void 0:arguments[2]}e.setExtent(0,n-1,0,r-1,0,o-1)}},e.getDimensions=()=>[t.extent[1]-t.extent[0]+1,t.extent[3]-t.extent[2]+1,t.extent[5]-t.extent[4]+1],e.getNumberOfCells=()=>{const t=e.getDimensions();let n=1;for(let e=0;e<3;e++){if(0===t[e])return 0;t[e]>1&&(n*=t[e]-1)}return n},e.getNumberOfPoints=()=>{const t=e.getDimensions();return t[0]*t[1]*t[2]},e.getPoint=n=>{const r=e.getDimensions();if(0===r[0]||0===r[1]||0===r[2])return Wh("Requesting a point from an empty image."),null;const o=new Float64Array(3);switch(t.dataDescription){case Uh.EMPTY:return null;case Uh.SINGLE_POINT:break;case Uh.X_LINE:o[0]=n;break;case Uh.Y_LINE:o[1]=n;break;case Uh.Z_LINE:o[2]=n;break;case Uh.XY_PLANE:o[0]=n%r[0],o[1]=n/r[0];break;case Uh.YZ_PLANE:o[1]=n%r[1],o[2]=n/r[1];break;case Uh.XZ_PLANE:o[0]=n%r[0],o[2]=n/r[0];break;case Uh.XYZ_GRID:o[0]=n%r[0],o[1]=n/r[0]%r[1],o[2]=n/(r[0]*r[1]);break;default:Wh("Invalid dataDescription")}const i=[0,0,0];return e.indexToWorld(o,i),i},e.getBounds=()=>e.extentToBounds(e.getSpatialExtent()),e.extentToBounds=e=>bf.transformBounds(e,t.indexToWorld),e.getSpatialExtent=()=>bf.inflate([...t.extent],.5),e.computeTransforms=()=>{C(t.indexToWorld,t.origin),t.indexToWorld[0]=t.direction[0],t.indexToWorld[1]=t.direction[1],t.indexToWorld[2]=t.direction[2],t.indexToWorld[4]=t.direction[3],t.indexToWorld[5]=t.direction[4],t.indexToWorld[6]=t.direction[5],t.indexToWorld[8]=t.direction[6],t.indexToWorld[9]=t.direction[7],t.indexToWorld[10]=t.direction[8],x(t.indexToWorld,t.indexToWorld,t.spacing),m(t.worldToIndex,t.indexToWorld)},e.indexToWorld=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return Yt(n,e,t.indexToWorld),n},e.indexToWorldVec3=e.indexToWorld,e.worldToIndex=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return Yt(n,e,t.worldToIndex),n},e.worldToIndexVec3=e.worldToIndex,e.indexToWorldBounds=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return bf.transformBounds(e,t.indexToWorld,n)},e.worldToIndexBounds=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return bf.transformBounds(e,t.worldToIndex,n)},e.onModified(e.computeTransforms),e.computeTransforms(),e.getCenter=()=>bf.getCenter(e.getBounds()),e.computeHistogram=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;const r=[0,0,0,0,0,0];e.worldToIndexBounds(t,r);const o=[0,0,0],i=[0,0,0];bf.computeCornerPoints(r,o,i),er(o,o),er(i,i);const a=e.getDimensions();_r(o,[0,0,0],[a[0]-1,a[1]-1,a[2]-1],o),_r(i,[0,0,0],[a[0]-1,a[1]-1,a[2]-1],i);const s=a[0],l=a[0]*a[1],u=e.getPointData().getScalars().getData();let c=-1/0,d=1/0,p=0,f=0,h=0;for(let e=o[2];e<=i[2];e++)for(let t=o[1];t<=i[1];t++){let a=o[0]+t*s+e*l;for(let s=o[0];s<=i[0];s++){if(!n||n([s,t,e],r)){const e=u[a];e>c&&(c=e),e0?f/h:0,g=h?Math.abs(p/h-m*m):0,v=Math.sqrt(g);return{minimum:d,maximum:c,average:m,variance:g,sigma:v,count:h}},e.computeIncrements=function(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;const n=[];let r=t;for(let t=0;t<3;++t)n[t]=r,r*=e[2*t+1]-e[2*t]+1;return n},e.computeOffsetIndex=t=>{let[n,r,o]=t;const i=e.getExtent(),a=e.getPointData().getScalars().getNumberOfComponents(),s=e.computeIncrements(i,a);return Math.floor((Math.round(n)-i[0])*s[0]+(Math.round(r)-i[2])*s[1]+(Math.round(o)-i[4])*s[2])},e.getOffsetIndexFromWorld=t=>{const n=e.getExtent(),r=e.worldToIndex(t);for(let e=0;e<3;++e)if(r[e]n[2*e+1])return Wh(`GetScalarPointer: Pixel ${r} is not in memory. Current extent = ${n}`),NaN;return e.computeOffsetIndex(r)},e.getScalarValueFromWorld=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const r=e.getPointData().getScalars().getNumberOfComponents();if(n<0||n>=r)return Wh(`GetScalarPointer: Scalar Component ${n} is not within bounds. 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Yh(e,t){t.classHierarchy.push("vtkLookupTable"),e.isOpaque=()=>{if(t.opaqueFlagBuildTime.getMTime()!1,e.getNumberOfAvailableColors=()=>t.table.length/4,e.linearIndexLookup=(e,t)=>{let n=0;const r=Number(e);return rt.range[1]?n=t.maxIndex+1+1.5:(n=(r+t.shift)*t.scale,n=n{let o=0;o=Er(t)?Math.floor(r.maxIndex+1.5+2):e.linearIndexLookup(t,r);const i=4*o;return n.slice(i,i+4)},e.indexedLookupFunction=(n,r,o)=>{let i=e.getAnnotatedValueIndexInternal(n);-1===i&&(i=t.numberOfColors+2);const a=4*i;return[r[a],r[a+1],r[a+2],r[a+3]]},e.lookupShiftAndScale=(e,t)=>{t.shift=-e[0],t.scale=Number.MAX_VALUE,e[1]>e[0]&&(t.scale=(t.maxIndex+1)/(e[1]-e[0]))},e.mapScalarsThroughTable=(n,r,o,i)=>{let a=e.linearLookup;t.indexedLookup&&(a=e.indexedLookupFunction);const s=e.getMappingRange(),l={maxIndex:e.getNumberOfColors()-1,range:s,shift:0,scale:0};e.lookupShiftAndScale(s,l);const u=e.getAlpha(),c=n.getNumberOfTuples(),d=n.getNumberOfComponents(),p=r.getData(),f=n.getData();if(u>=1){if(o===$d.RGBA)for(let e=0;e{let n=0,r=0,o=0,i=0;const a=t.numberOfColors-1;a&&(n=(t.hueRange[1]-t.hueRange[0])/a,r=(t.saturationRange[1]-t.saturationRange[0])/a,o=(t.valueRange[1]-t.valueRange[0])/a,i=(t.alphaRange[1]-t.alphaRange[0])/a),t.table.length=4*a+16;const s=[],l=[];for(let e=0;e<=a;e++)s[0]=t.hueRange[0]+e*n,s[1]=t.saturationRange[0]+e*r,s[2]=t.valueRange[0]+e*o,dr(s,l),l[3]=t.alphaRange[0]+e*i,t.table[4*e]=255*l[0]+.5,t.table[4*e+1]=255*l[1]+.5,t.table[4*e+2]=255*l[2]+.5,t.table[4*e+3]=255*l[3]+.5;e.buildSpecialColors(),t.buildTime.modified()},e.setTable=n=>{if(Array.isArray(n)){const r=n[0].length;t.numberOfColors=n.length;const o=4-r;let i=0;for(let e=0;e{const{numberOfColors:e}=t,n=t.table;let r=4*(e+0);t.useBelowRangeColor||0===e?(n[r]=255*t.belowRangeColor[0]+.5,n[r+1]=255*t.belowRangeColor[1]+.5,n[r+2]=255*t.belowRangeColor[2]+.5,n[r+3]=255*t.belowRangeColor[3]+.5):(n[r]=n[0],n[r+1]=n[1],n[r+2]=n[2],n[r+3]=n[3]),r=4*(e+1),t.useAboveRangeColor||0===e?(n[r]=255*t.aboveRangeColor[0]+.5,n[r+1]=255*t.aboveRangeColor[1]+.5,n[r+2]=255*t.aboveRangeColor[2]+.5,n[r+3]=255*t.aboveRangeColor[3]+.5):(n[r]=n[4*(e-1)+0],n[r+1]=n[4*(e-1)+1],n[r+2]=n[4*(e-1)+2],n[r+3]=n[4*(e-1)+3]),r=4*(e+2),n[r]=255*t.nanColor[0]+.5,n[r+1]=255*t.nanColor[1]+.5,n[r+2]=255*t.nanColor[2]+.5,n[r+3]=255*t.nanColor[3]+.5},e.build=()=>{(t.table.length<1||e.getMTime()>t.buildTime.getMTime()&&t.insertTime.getMTime()<=t.buildTime.getMTime())&&e.forceBuild()},t.table.length>0&&(e.buildSpecialColors(),t.insertTime.modified())}const Jh={numberOfColors:256,hueRange:[0,.66667],saturationRange:[1,1],valueRange:[1,1],alphaRange:[1,1],nanColor:[.5,0,0,1],belowRangeColor:[0,0,0,1],aboveRangeColor:[1,1,1,1],useAboveRangeColor:!1,useBelowRangeColor:!1,alpha:1};function Qh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Jh,n),lp.extend(e,t,n),t.table||(t.table=[]),t.buildTime={},gt.obj(t.buildTime),t.opaqueFlagBuildTime={},gt.obj(t.opaqueFlagBuildTime,{mtime:0}),t.insertTime={},gt.obj(t.insertTime,{mtime:0}),gt.get(e,t,["buildTime"]),gt.setGet(e,t,["numberOfColors","useAboveRangeColor","useBelowRangeColor"]),gt.setArray(e,t,["alphaRange","hueRange","saturationRange","valueRange"],2),gt.setArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"],4),gt.getArray(e,t,["hueRange","saturationRange","valueRange","alphaRange","nanColor","belowRangeColor","aboveRangeColor"]),Yh(e,t)}var Zh={newInstance:gt.newInstance(Qh,"vtkLookupTable"),extend:Qh};let em=1,tm=0;const nm=["VTK_RESOLVE_OFF","VTK_RESOLVE_POLYGON_OFFSET"];function rm(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;tm=e}var om={getResolveCoincidentTopologyAsString:function(){return nm[tm]},getResolveCoincidentTopologyPolygonOffsetFaces:function(){return em},getResolveCoincidentTopology:function(){return tm},setResolveCoincidentTopology:rm,setResolveCoincidentTopologyPolygonOffsetFaces:function(e){em=e},setResolveCoincidentTopologyToDefault:function(){rm(0)},setResolveCoincidentTopologyToOff:function(){rm(0)},setResolveCoincidentTopologyToPolygonOffset:function(){rm(1)}};function im(e,t,n){n.forEach((n=>{e[`get${n.method}`]=()=>t[n.key],e[`set${n.method}`]=(e,r)=>{t[n.key]={factor:e,offset:r}}}))}const am=["Polygon","Line","Point"],sm={};im(sm,{Polygon:{factor:2,offset:0},Line:{factor:1,offset:-1},Point:{factor:0,offset:-2}},am.map((e=>({key:e,method:`ResolveCoincidentTopology${e}OffsetParameters`}))));var lm={implementCoincidentTopologyMethods:function(e,t){void 0===t.resolveCoincidentTopology&&(t.resolveCoincidentTopology=!1),gt.setGet(e,t,["resolveCoincidentTopology"]),t.topologyOffset={Polygon:{factor:0,offset:0},Line:{factor:0,offset:0},Point:{factor:0,offset:0}},Object.keys(om).forEach((t=>{e[t]=om[t]})),Object.keys(sm).forEach((t=>{e[t]=sm[t]})),im(e,t.topologyOffset,am.map((e=>({key:e,method:`RelativeCoincidentTopology${e}OffsetParameters`})))),e.getCoincidentTopologyPolygonOffsetParameters=()=>{const t=sm.getResolveCoincidentTopologyPolygonOffsetParameters(),n=e.getRelativeCoincidentTopologyPolygonOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyLineOffsetParameters=()=>{const t=sm.getResolveCoincidentTopologyLineOffsetParameters(),n=e.getRelativeCoincidentTopologyLineOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyPointOffsetParameter=()=>{const t=sm.getResolveCoincidentTopologyPointOffsetParameters(),n=e.getRelativeCoincidentTopologyPointOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}}},staticOffsetAPI:sm,otherStaticMethods:om,CATEGORIES:am};const um={MIN_KNOWN_PASS:0,ACTOR_PASS:0,COMPOSITE_INDEX_PASS:1,ID_LOW24:2,ID_HIGH24:3,MAX_KNOWN_PASS:3};var cm={PassTypes:um};const{FieldAssociations:dm}=di,{staticOffsetAPI:pm,otherStaticMethods:fm}=lm,{ColorMode:hm,ScalarMode:mm,GetArray:gm}=Jd,{VectorMode:vm}=Yd,{VtkDataTypes:ym}=Wr;function bm(e){return()=>gt.vtkErrorMacro(`vtkMapper::${e} - NOT IMPLEMENTED`)}function xm(e,t){t.classHierarchy.push("vtkMapper"),e.getBounds=()=>{const n=e.getInputData();return n?(t.static||e.update(),t.bounds=n.getBounds()):t.bounds=Dr(),t.bounds},e.setForceCompileOnly=e=>{t.forceCompileOnly=e},e.setSelectionWebGLIdsToVTKIds=e=>{t.selectionWebGLIdsToVTKIds=e},e.createDefaultLookupTable=()=>{t.lookupTable=Zh.newInstance()},e.getColorModeAsString=()=>gt.enumToString(hm,t.colorMode),e.setColorModeToDefault=()=>e.setColorMode(0),e.setColorModeToMapScalars=()=>e.setColorMode(1),e.setColorModeToDirectScalars=()=>e.setColorMode(2),e.getScalarModeAsString=()=>gt.enumToString(mm,t.scalarMode),e.setScalarModeToDefault=()=>e.setScalarMode(0),e.setScalarModeToUsePointData=()=>e.setScalarMode(1),e.setScalarModeToUseCellData=()=>e.setScalarMode(2),e.setScalarModeToUsePointFieldData=()=>e.setScalarMode(3),e.setScalarModeToUseCellFieldData=()=>e.setScalarMode(4),e.setScalarModeToUseFieldData=()=>e.setScalarMode(5),e.getAbstractScalars=(e,n,r,o,i)=>{if(!e||!t.scalarVisibility)return{scalars:null,cellFLag:!1};let a=null,s=!1;if(n===mm.DEFAULT)a=e.getPointData().getScalars(),a||(a=e.getCellData().getScalars(),s=!0);else if(n===mm.USE_POINT_DATA)a=e.getPointData().getScalars();else if(n===mm.USE_CELL_DATA)a=e.getCellData().getScalars(),s=!0;else if(n===mm.USE_POINT_FIELD_DATA){const t=e.getPointData();a=r===gm.BY_ID?t.getArrayByIndex(o):t.getArrayByName(i)}else if(n===mm.USE_CELL_FIELD_DATA){const t=e.getCellData();s=!0,a=r===gm.BY_ID?t.getArrayByIndex(o):t.getArrayByName(i)}else if(n===mm.USE_FIELD_DATA){const t=e.getFieldData();a=r===gm.BY_ID?t.getArrayByIndex(o):t.getArrayByName(i)}return{scalars:a,cellFlag:s}},e.mapScalars=(n,r)=>{const o=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!o)return t.colorCoordinates=null,t.colorTextureMap=null,void(t.colorMapColors=null);const i=`${e.getMTime()}${o.getMTime()}${r}`;if(t.colorBuildString!==i){if(t.useLookupTableScalarRange||e.getLookupTable().setRange(t.scalarRange[0],t.scalarRange[1]),e.canUseTextureMapForColoring(n))e.mapScalarsToTexture(o,r);else{t.colorCoordinates=null,t.colorTextureMap=null;const n=e.getLookupTable();n&&(n.build(),t.colorMapColors=n.mapScalars(o,t.colorMode,t.fieldDataTupleId))}t.colorBuildString=`${e.getMTime()}${o.getMTime()}${r}`}},e.scalarToTextureCoordinate=(e,t,n)=>{let r=.5,o=1;return Er(e)||(o=.49,r=(e-t)*n,r>1e3?r=1e3:r<-1e3&&(r=-1e3)),{texCoordS:r,texCoordT:o}},e.createColorTextureCoordinates=(t,n,r,o,i,a,s,l,u)=>{const c=(a[1]-a[0])/l,d=[];d[0]=a[0]-c,d[1]=a[1]+c;const p=1/(d[1]-d[0]),f=n.getData(),h=t.getData();let m=0,g=0;if(i<0||i>=o)for(let t=0;t{const o=t.lookupTable.getRange(),i=t.lookupTable.usingLogScale();i&&Zh.getLogRange(o,o);const a=t.lookupTable.getAlpha();if(t.colorMapColors=null,null==t.colorTextureMap||e.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getAlpha()!==r){t.lookupTable.setAlpha(r),t.colorTextureMap=null,t.lookupTable.build();let e=t.lookupTable.getNumberOfAvailableColors();e>4094&&(e=4094),e<64&&(e=64),e+=2;const n=(o[1]-o[0])/(e-2),s=new Float64Array(2*e);for(let t=0;tt.colorCoordinates.getMTime()||e.getInputData(0).getMTime()>t.colorCoordinates.getMTime()||t.lookupTable.getMTime()>t.colorCoordinates.getMTime()){t.colorCoordinates=null;const r=n.getNumberOfComponents(),a=n.getNumberOfTuples();t.colorCoordinates=Wr.newInstance({numberOfComponents:2,values:new Float32Array(2*a)});let s=t.lookupTable.getVectorComponent();t.lookupTable.getVectorMode()===vm.MAGNITUDE&&n.getNumberOfComponents()>1&&(s=-1),e.createColorTextureCoordinates(n,t.colorCoordinates,a,r,s,o,t.lookupTable.getRange(),t.colorTextureMap.getPointData().getScalars().getNumberOfTuples()/2-2,i)}},e.getIsOpaque=()=>{const n=e.getInputData(),r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!t.scalarVisibility||null==r)return!0;const o=e.getLookupTable();return!o||(o.build(),o.areScalarsOpaque(r,t.colorMode,-1))},e.canUseTextureMapForColoring=n=>{if(!t.interpolateScalarsBeforeMapping)return!1;if(t.lookupTable&&t.lookupTable.getIndexedLookup())return!1;const r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName),o=r.scalars;return!(!o||r.cellFlag||t.colorMode===hm.DEFAULT&&o.getDataType()===ym.UNSIGNED_CHAR||t.colorMode===hm.DIRECT_SCALARS)},e.clearColorArrays=()=>{t.colorMapColors=null,t.colorCoordinates=null,t.colorTextureMap=null},e.getLookupTable=()=>(t.lookupTable||e.createDefaultLookupTable(),t.lookupTable),e.getMTime=()=>{let e=t.mtime;if(null!==t.lookupTable){const n=t.lookupTable.getMTime();e=n>e?n:e}return e},e.getPrimitiveCount=()=>{const t=e.getInputData();return{points:t.getPoints().getNumberOfValues()/3,verts:t.getVerts().getNumberOfValues()-t.getVerts().getNumberOfCells(),lines:t.getLines().getNumberOfValues()-2*t.getLines().getNumberOfCells(),triangles:t.getPolys().getNumberOfValues()-3*t.getPolys().getNumberOfCells()}},e.acquireInvertibleLookupTable=bm("AcquireInvertibleLookupTable"),e.valueToColor=bm("ValueToColor"),e.colorToValue=bm("ColorToValue"),e.useInvertibleColorFor=bm("UseInvertibleColorFor"),e.clearInvertibleColor=bm("ClearInvertibleColor"),e.processSelectorPixelBuffers=(e,n)=>{if(!e||!t.selectionWebGLIdsToVTKIds||!t.populateSelectionSettings)return;const r=e.getRawPixelBuffer(um.ID_LOW24),o=e.getRawPixelBuffer(um.ID_HIGH24),i=e.getCurrentPass(),a=e.getFieldAssociation();let s=null;a===dm.FIELD_ASSOCIATION_POINTS?s=t.selectionWebGLIdsToVTKIds.points:a===dm.FIELD_ASSOCIATION_CELLS&&(s=t.selectionWebGLIdsToVTKIds.cells),s&&n.forEach((t=>{if(i===um.ID_LOW24){let n=0;o&&(n+=o[t],n*=256),n+=r[t+2],n*=256,n+=r[t+1],n*=256,n+=r[t];const i=s[n],a=e.getPixelBuffer(um.ID_LOW24);a[t]=255&i,a[t+1]=(65280&i)>>8,a[t+2]=(16711680&i)>>16}else if(i===um.ID_HIGH24&&o){let n=0;n+=o[t],n*=256,n+=r[t],n*=256,n+=r[t+1],n*=256,n+=r[t+2];const i=s[n];e.getPixelBuffer(um.ID_HIGH24)[t]=(4278190080&i)>>24}}))}}const _m={colorMapColors:null,static:!1,lookupTable:null,scalarVisibility:!0,scalarRange:[0,1],useLookupTableScalarRange:!1,colorMode:0,scalarMode:0,arrayAccessMode:1,renderTime:0,colorByArrayName:null,fieldDataTupleId:-1,populateSelectionSettings:!0,selectionWebGLIdsToVTKIds:null,interpolateScalarsBeforeMapping:!1,colorCoordinates:null,colorTextureMap:null,forceCompileOnly:0,useInvertibleColors:!1,invertibleScalars:null,customShaderAttributes:[]};function Tm(e,t){t.classHierarchy.push("vtkRenderPass"),e.getOperation=()=>t.currentOperation,e.setCurrentOperation=e=>{t.currentOperation=e,t.currentTraverseOperation=`traverse${gt.capitalize(t.currentOperation)}`},e.getTraverseOperation=()=>t.currentTraverseOperation,e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;t.deleted||(t._currentParent=r,t.preDelegateOperations.forEach((t=>{e.setCurrentOperation(t),n.traverse(e)})),t.delegates.forEach((t=>{t.traverse(n,e)})),t.postDelegateOperations.forEach((t=>{e.setCurrentOperation(t),n.traverse(e)})))}}gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,_m,n),Vh(e,t,n),gt.get(e,t,["colorCoordinates","colorMapColors","colorTextureMap","selectionWebGLIdsToVTKIds"]),gt.setGet(e,t,["colorByArrayName","arrayAccessMode","colorMode","fieldDataTupleId","interpolateScalarsBeforeMapping","lookupTable","populateSelectionSettings","renderTime","scalarMode","scalarVisibility","static","useLookupTableScalarRange","customShaderAttributes"]),gt.setGetArray(e,t,["scalarRange"],2),lm.implementCoincidentTopologyMethods(e,t),xm(e,t)}),"vtkMapper");const Sm={delegates:[],currentOperation:null,preDelegateOperations:[],postDelegateOperations:[],currentParent:null};function wm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Sm,n),gt.obj(e,t),gt.get(e,t,["currentOperation"]),gt.setGet(e,t,["delegates","_currentParent","preDelegateOperations","postDelegateOperations"]),gt.moveToProtected(e,t,["currentParent"]),Tm(e,t)}var Cm={newInstance:gt.newInstance(wm,"vtkRenderPass"),extend:wm};const{Representation:Am}=wu,{vtkErrorMacro:Em}=gt;function Dm(e){const t=Ca.substitute(e.Fragment,"//VTK::RenderPassFragmentShader::Impl","\n float weight = gl_FragData[0].a * pow(max(1.1 - gl_FragCoord.z, 0.0), 2.0);\n gl_FragData[0] = vec4(gl_FragData[0].rgb*weight, gl_FragData[0].a);\n gl_FragData[1].r = weight;\n ",!1);e.Fragment=t.result}function Im(e,t){t.classHierarchy.push("vtkOpenGLOrderIndependentTranslucentPass"),e.createVertexBuffer=()=>{const e=new Float32Array([-1,-1,-1,1,-1,-1,-1,1,-1,1,1,-1]),n=new Float32Array([0,0,1,0,0,1,1,1]),r=new Uint16Array([4,0,1,3,2]),o=Wr.newInstance({numberOfComponents:3,values:e});o.setName("points");const i=Wr.newInstance({numberOfComponents:2,values:n});i.setName("tcoords");const a=Wr.newInstance({numberOfComponents:1,values:r});t.tris.getCABO().createVBO(a,"polys",Am.SURFACE,{points:o,tcoords:i,cellOffset:0}),t.VBOBuildTime.modified()},e.createFramebuffer=e=>{const n=e.getSize(),r=e.getContext();t.framebuffer=Zs.newInstance(),t.framebuffer.setOpenGLRenderWindow(e),t.framebuffer.create(...n),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind(),t.translucentRGBATexture=hs.newInstance(),t.translucentRGBATexture.setInternalFormat(r.RGBA16F),t.translucentRGBATexture.setFormat(r.RGBA),t.translucentRGBATexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRGBATexture.setOpenGLRenderWindow(e),t.translucentRGBATexture.create2DFromRaw(n[0],n[1],4,"Float32Array",null),t.translucentRTexture=hs.newInstance(),t.translucentRTexture.setInternalFormat(r.R16F),t.translucentRTexture.setFormat(r.RED),t.translucentRTexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRTexture.setOpenGLRenderWindow(e),t.translucentRTexture.create2DFromRaw(n[0],n[1],1,"Float32Array",null),t.translucentZTexture=hs.newInstance(),t.translucentZTexture.setOpenGLRenderWindow(e),t.translucentZTexture.createDepthFromRaw(n[0],n[1],"Float32Array",null),t.framebuffer.setColorBuffer(t.translucentRGBATexture,0),t.framebuffer.setColorBuffer(t.translucentRTexture,1),t.framebuffer.setDepthBuffer(t.translucentZTexture)},e.createCopyShader=e=>{t.copyShader=e.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","attribute vec2 tcoordTC;","varying vec2 tcoord;","void main() { tcoord = tcoordTC; gl_Position = vertexDC; }"].join("\n"),"//VTK::System::Dec\n\nin vec2 tcoord;\n\nuniform sampler2D translucentRTexture;\nuniform sampler2D translucentRGBATexture;\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n vec4 t1Color = texture(translucentRGBATexture, tcoord);\n float t2Color = texture(translucentRTexture, tcoord).r;\n gl_FragData[0] = vec4(t1Color.rgb/max(t2Color,0.01), 1.0 - t1Color.a);\n}\n","")},e.createVBO=n=>{const r=n.getContext();t.tris.setOpenGLRenderWindow(n),e.createVertexBuffer();const o=t.copyShader;t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(o,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),r.FLOAT,3,r.FALSE)||Em("Error setting vertexDC in copy shader VAO."),t.copyVAO.addAttributeArray(o,t.tris.getCABO(),"tcoordTC",t.tris.getCABO().getTCoordOffset(),t.tris.getCABO().getStride(),r.FLOAT,2,r.FALSE)||Em("Error setting vertexDC in copy shader VAO.")},e.traverse=(n,r,o)=>{if(t.deleted)return;const i=n.getSize(),a=n.getContext();if(t._supported=!1,r.getSelector()||!a||!n.getWebgl2()||!a.getExtension("EXT_color_buffer_half_float")&&!a.getExtension("EXT_color_buffer_float"))return e.setCurrentOperation("translucentPass"),void r.traverse(e);if(t._supported=!0,null===t.framebuffer)e.createFramebuffer(n);else{const r=t.framebuffer.getSize();null===r||r[0]!==i[0]||r[1]!==i[1]?(t.framebuffer.releaseGraphicsResources(),t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRTexture.releaseGraphicsResources(n),t.translucentZTexture.releaseGraphicsResources(n),e.createFramebuffer(n)):(t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind())}a.drawBuffers([a.COLOR_ATTACHMENT0]),a.clearBufferfv(a.COLOR,0,[0,0,0,0]),a.clearBufferfv(a.DEPTH,0,[1]),a.colorMask(!1,!1,!1,!1),o.getOpaqueActorCount()>0&&(o.setCurrentOperation("opaqueZBufferPass"),r.traverse(o)),a.colorMask(!0,!0,!0,!0),a.drawBuffers([a.COLOR_ATTACHMENT0,a.COLOR_ATTACHMENT1]),a.viewport(0,0,i[0],i[1]),a.scissor(0,0,i[0],i[1]),a.clearBufferfv(a.COLOR,0,[0,0,0,1]),a.clearBufferfv(a.COLOR,1,[0,0,0,0]),a.enable(a.DEPTH_TEST),a.enable(a.BLEND),a.blendFuncSeparate(a.ONE,a.ONE,a.ZERO,a.ONE_MINUS_SRC_ALPHA),e.setCurrentOperation("translucentPass"),r.traverse(e),a.drawBuffers([a.NONE]),t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader?e.createCopyShader(n):n.getShaderCache().readyShaderProgram(t.copyShader),t.copyVAO||(t.copyVAO=Ia.newInstance(),t.copyVAO.setOpenGLRenderWindow(n)),t.copyVAO.bind(),t.VBOBuildTime.getMTime()t._supported?Dm:null,e.releaseGraphicsResources=n=>{t.framebuffer&&(t.framebuffer.releaseGraphicsResources(n),t.framebuffer=null),t.translucentRGBATexture&&(t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRGBATexture=null),t.translucentRTexture&&(t.translucentRTexture.releaseGraphicsResources(n),t.translucentRTexture=null),t.translucentZTexture&&(t.translucentZTexture.releaseGraphicsResources(n),t.translucentZTexture=null),t.copyVAO&&(t.copyVAO.releaseGraphicsResources(n),t.copyVAO=null),t.copyShader&&(t.copyShader.releaseGraphicsResources(n),t.copyShader=null),t.tris&&(t.tris.releaseGraphicsResources(n),t.tris=null),e.modified()}}const Pm={framebuffer:null,copyShader:null,tris:null};function Om(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Pm,n),Cm.extend(e,t,n),t.VBOBuildTime={},gt.obj(t.VBOBuildTime,{mtime:0}),t.tris=Ra.newInstance(),gt.get(e,t,["framebuffer"]),Im(e,t)}var Nm={newInstance:gt.newInstance(Om,"vtkOpenGLOrderIndependentTranslucentPass"),extend:Om};function Mm(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getRenderable().getNumberOfLayers(),i=n.getChildren();for(let r=0;r0||t.translucentActorCount>0)&&t.volumeCount>0||t.depthRequested){const r=n.getFramebufferSize();null===t.framebuffer&&(t.framebuffer=Zs.newInstance()),t.framebuffer.setOpenGLRenderWindow(n),t.framebuffer.saveCurrentBindingsAndBuffers();const o=t.framebuffer.getSize();null!==o&&o[0]===r[0]&&o[1]===r[1]||(t.framebuffer.create(r[0],r[1]),t.framebuffer.populateFramebuffer()),t.framebuffer.bind(),e.setCurrentOperation("zBufferPass"),a.traverse(e),t.framebuffer.restorePreviousBindingsAndBuffers(),t.depthRequested=!1}e.setCurrentOperation("cameraPass"),a.traverse(e),t.opaqueActorCount>0&&(e.setCurrentOperation("opaquePass"),a.traverse(e)),t.translucentActorCount>0&&(t.translucentPass||(t.translucentPass=Nm.newInstance()),t.translucentPass.traverse(n,a,e)),t.volumeCount>0&&(e.setCurrentOperation("volumePass"),a.traverse(e)),t.overlayActorCount>0&&(e.setCurrentOperation("overlayPass"),a.traverse(e))}}},e.getZBufferTexture=()=>t.framebuffer?t.framebuffer.getColorTexture():null,e.requestDepth=()=>{t.depthRequested=!0},e.incrementOpaqueActorCount=()=>t.opaqueActorCount++,e.incrementTranslucentActorCount=()=>t.translucentActorCount++,e.incrementVolumeCount=()=>t.volumeCount++,e.incrementOverlayActorCount=()=>t.overlayActorCount++}const Rm={opaqueActorCount:0,translucentActorCount:0,volumeCount:0,overlayActorCount:0,framebuffer:null,depthRequested:!1};function Fm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Rm,n),Cm.extend(e,t,n),gt.get(e,t,["framebuffer","opaqueActorCount","translucentActorCount","volumeCount"]),Mm(e,t)}var km={newInstance:gt.newInstance(Fm,"vtkForwardPass"),extend:Fm};const{FieldAssociations:Lm}=di;function Bm(e,t){t.classHierarchy.push("vtkHardwareSelector"),e.getSourceDataAsync=async(e,t,n,r,o)=>{},e.selectAsync=async(t,n,r,o,i)=>{const a=await e.getSourceDataAsync(t,n,r,o,i);return a?a.generateSelection(n,r,o,i):[]}}const Vm={fieldAssociation:Lm.FIELD_ASSOCIATION_CELLS,captureZValues:!1};function Um(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Vm,n),gt.obj(e,t),gt.setGet(e,t,["fieldAssociation","captureZValues"]),Bm(e,t)}var Gm={newInstance:gt.newInstance(Um,"vtkHardwareSelector"),extend:Um};function zm(e,t){t.classHierarchy.push("vtkSelectionNode"),e.getBounds=()=>t.points.getBounds()}const jm={contentType:-1,fieldType:-1,properties:null,selectionList:[]};function Wm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,jm,n),gt.obj(e,t),t.properties={},gt.setGet(e,t,["contentType","fieldType","properties","selectionList"]),zm(e,t)}var Hm={newInstance:gt.newInstance(Wm,"vtkSelectionNode"),extend:Wm,SelectionContent:{GLOBALIDS:0,PEDIGREEIDS:1,VALUES:2,INDICES:3,FRUSTUM:4,LOCATIONS:5,THRESHOLDS:6,BLOCKS:7,QUERY:8},SelectionField:{CELL:0,POINT:1,FIELD:2,VERTEX:3,EDGE:4,ROW:5}};const{PassTypes:Xm}=cm,{SelectionContent:Km,SelectionField:qm}=Hm,{FieldAssociations:$m}=di,{vtkErrorMacro:Ym}=gt;function Jm(e){return`${e.propID} ${e.compositeID}`}function Qm(e,t,n,r){return n?n[4*(t*(r[2]-r[0]+1)+e)+3]:0}function Zm(e,t,n,r){if(!n)return 0;const o=4*(t*(r[2]-r[0]+1)+e),i=n[o],a=n[o+1];return 256*(256*n[o+2]+a)+i}function eg(e,t){let n=t;return n<<=24,n|=e,n}function tg(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]e.area[2]||t[1]e.area[3])return null;const n=[t[0]-e.area[0],t[1]-e.area[1]],o=Zm(n[0],n[1],e.pixBuffer[Xm.ACTOR_PASS],e.area);if(o<=0||o-1>=e.props.length)return null;const i={valid:!0};i.propID=o-1,i.prop=e.props[i.propID];let a=Zm(n[0],n[1],e.pixBuffer[Xm.COMPOSITE_INDEX_PASS],e.area);if((a<0||a>16777215)&&(a=0),i.compositeID=a-1,e.captureZValues){const r=4*(n[1]*(e.area[2]-e.area[0]+1)+n[0]);i.zValue=(256*e.zBuffer[r]+e.zBuffer[r+1])/65535,i.displayPosition=t}if(e.pixBuffer[Xm.ID_LOW24]&&0===Qm(n[0],n[1],e.pixBuffer[Xm.ID_LOW24],e.area))return i;const s=Zm(n[0],n[1],e.pixBuffer[Xm.ID_LOW24],e.area),l=Zm(n[0],n[1],e.pixBuffer[Xm.ID_HIGH24],e.area);return i.attributeID=eg(s,l),i}const i=[t[0],t[1]],a=[0,0];let s=tg(e,t,0,r);if(s&&s.valid)return s;for(let t=1;tt?i[1]-t:0;n<=i[1]+t;++n){if(a[1]=n,i[0]>=t&&(a[0]=i[0]-t,s=tg(e,a,0,r),s&&s.valid))return s;if(a[0]=i[0]+t,s=tg(e,a,0,r),s&&s.valid)return s}for(let n=i[0]>=t?i[0]-(t-1):0;n<=i[0]+(t-1);++n){if(a[0]=n,i[1]>=t&&(a[1]=i[1]-t,s=tg(e,a,0,r),s&&s.valid))return s;if(a[1]=i[1]+t,s=tg(e,a,0,r),s&&s.valid)return s}}return r[0]=t[0],r[1]=t[1],null}function ng(e,t,n,r,o){const i=[];let a=0;return t.forEach(((t,s)=>{const l=Hm.newInstance();switch(l.setContentType(Km.INDICES),e){case $m.FIELD_ASSOCIATION_CELLS:l.setFieldType(qm.CELL);break;case $m.FIELD_ASSOCIATION_POINTS:l.setFieldType(qm.POINT);break;default:Ym("Unknown field association")}l.getProperties().propID=t.info.propID,l.getProperties().prop=t.info.prop,l.getProperties().compositeID=t.info.compositeID,l.getProperties().attributeID=t.info.attributeID,l.getProperties().pixelCount=t.pixelCount,n&&(l.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],l.getProperties().worldPosition=o.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,r)),l.setSelectionList(t.attributeIDs),i[a]=l,a++})),i}function rg(e,t,n,r,o){const i=Math.floor(t),a=Math.floor(n),s=Math.floor(r),l=Math.floor(o),u=new Map,c=[0,0];for(let t=a;t<=l;t++)for(let n=i;n<=s;n++){const r=tg(e,[n,t],0,c);if(r&&r.valid){const t=Jm(r);if(u.has(t)){const n=u.get(t);n.pixelCount++,e.captureZValues&&r.zValue{t.rawPixBuffer=[],t.pixBuffer=[],t.zBuffer=null},e.beginSelection=()=>{t._openGLRenderer=t._openGLRenderWindow.getViewNodeFor(t._renderer),t.maxAttributeId=0;const n=t._openGLRenderWindow.getSize();if(t.framebuffer){t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers();const e=t.framebuffer.getSize();e[0]!==n[0]||e[1]!==n[1]?(t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer()):t.framebuffer.bind()}else t.framebuffer=Zs.newInstance(),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer();if(t._openGLRenderer.clear(),t._openGLRenderer.setSelector(e),t.hitProps={},t.propPixels={},t.props=[],e.releasePixBuffers(),t.fieldAssociation===$m.FIELD_ASSOCIATION_POINTS){const e=t._openGLRenderWindow.getContext(),n=e.isEnabled(e.BLEND);e.disable(e.BLEND),t._openGLRenderWindow.traverseAllPasses(),n&&e.enable(e.BLEND)}},e.endSelection=()=>{t.hitProps={},t._openGLRenderer.setSelector(null),t.framebuffer.restorePreviousBindingsAndBuffers()},e.preCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending=e.isEnabled(e.BLEND),e.disable(e.BLEND)},e.postCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending&&e.enable(e.BLEND)},e.select=()=>{let n=null;return e.captureBuffers()&&(n=e.generateSelection(t.area[0],t.area[1],t.area[2],t.area[3]),e.releasePixBuffers()),n},e.getSourceDataAsync=async(n,r,o,i,a)=>{if(t._renderer=n,void 0===r){const n=t._openGLRenderWindow.getSize();e.setArea(0,0,n[0]-1,n[1]-1)}else e.setArea(r,o,i,a);if(!e.captureBuffers())return!1;const s={area:[...t.area],pixBuffer:[...t.pixBuffer],captureZValues:t.captureZValues,zBuffer:t.zBuffer,props:[...t.props],fieldAssociation:t.fieldAssociation,renderer:n,openGLRenderWindow:t._openGLRenderWindow,generateSelection:function(){for(var e=arguments.length,t=new Array(e),n=0;n{if(!t._renderer||!t._openGLRenderWindow)return Ym("Renderer and view must be set before calling Select."),!1;t._openGLRenderer=t._openGLRenderWindow.getViewNodeFor(t._renderer),t._openGLRenderWindow.getRenderable().preRender(),e.invokeEvent({type:"StartEvent"}),t.originalBackground=t._renderer.getBackgroundByReference(),t._renderer.setBackground(0,0,0,0);const n=t._openGLRenderWindow.getRenderPasses();for(e.beginSelection(),t.currentPass=Xm.MIN_KNOWN_PASS;t.currentPass<=Xm.MAX_KNOWN_PASS;t.currentPass++)e.passRequired(t.currentPass)&&(e.preCapturePass(t.currentPass),t.captureZValues&&t.currentPass===Xm.ACTOR_PASS&&"function"==typeof n[0].requestDepth&&"function"==typeof n[0].getFramebuffer?(n[0].requestDepth(),t._openGLRenderWindow.traverseAllPasses()):t._openGLRenderWindow.traverseAllPasses(),e.postCapturePass(t.currentPass),e.savePixelBuffer(t.currentPass),e.processPixelBuffers());return e.endSelection(),t._renderer.setBackground(t.originalBackground),e.invokeEvent({type:"EndEvent"}),!0},e.processPixelBuffers=()=>{t.props.forEach(((n,r)=>{e.isPropHit(r)&&n.processSelectorPixelBuffers(e,t.propPixels[r])}))},e.passRequired=e=>{if(e===Xm.ID_HIGH24){if(t.fieldAssociation===$m.FIELD_ASSOCIATION_POINTS)return t.maximumPointId>16777215;if(t.fieldAssociation===$m.FIELD_ASSOCIATION_CELLS)return t.maximumCellId>16777215}return!0},e.savePixelBuffer=n=>{if(t.pixBuffer[n]=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),!t.rawPixBuffer[n]){const e=(t.area[2]-t.area[0]+1)*(t.area[3]-t.area[1]+1)*4;t.rawPixBuffer[n]=new Uint8Array(e),t.rawPixBuffer[n].set(t.pixBuffer[n])}if(n===Xm.ACTOR_PASS){if(t.captureZValues){const e=t._openGLRenderWindow.getRenderPasses();if("function"==typeof e[0].requestDepth&&"function"==typeof e[0].getFramebuffer){const n=e[0].getFramebuffer();n.saveCurrentBindingsAndBuffers(),n.bind(),t.zBuffer=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),n.restorePreviousBindingsAndBuffers()}}e.buildPropHitList(t.rawPixBuffer[n])}},e.buildPropHitList=e=>{let n=0;for(let r=0;r<=t.area[3]-t.area[1];r++)for(let o=0;o<=t.area[2]-t.area[0];o++){let i=Zm(o,r,e,t.area);i>0&&(i--,i in t.hitProps||(t.hitProps[i]=!0,t.propPixels[i]=[]),t.propPixels[i].push(4*n)),++n}},e.renderProp=n=>{t.currentPass===Xm.ACTOR_PASS&&(e.setPropColorValueFromInt(t.props.length+1),t.props.push(n))},e.renderCompositeIndex=n=>{t.currentPass===Xm.COMPOSITE_INDEX_PASS&&e.setPropColorValueFromInt(n+1)},e.renderAttributeId=e=>{e<0||(t.maxAttributeId=e>t.maxAttributeId?e:t.maxAttributeId)},e.passTypeToString=e=>gt.enumToString(Xm,e),e.isPropHit=e=>Boolean(t.hitProps[e]),e.setPropColorValueFromInt=e=>{t.propColorValue[0]=e%256/255,t.propColorValue[1]=Math.floor(e/256)%256/255,t.propColorValue[2]=Math.floor(e/65536)%256/255},e.getPixelInformation=(n,r,o)=>{const i=r<0?0:r;if(0===i){if(o[0]=n[0],o[1]=n[1],n[0]t.area[2]||n[1]t.area[3])return null;const e=[n[0]-t.area[0],n[1]-t.area[1]],r=Zm(e[0],e[1],t.pixBuffer[Xm.ACTOR_PASS],t.area);if(r<=0||r-1>=t.props.length)return null;const i={valid:!0};i.propID=r-1,i.prop=t.props[i.propID];let a=Zm(e[0],e[1],t.pixBuffer[Xm.COMPOSITE_INDEX_PASS],t.area);if((a<0||a>16777215)&&(a=0),i.compositeID=a-1,t.captureZValues){const r=4*(e[1]*(t.area[2]-t.area[0]+1)+e[0]);i.zValue=(256*t.zBuffer[r]+t.zBuffer[r+1])/65535,i.displayPosition=n}if(t.pixBuffer[Xm.ID_LOW24]&&0===Qm(e[0],e[1],t.pixBuffer[Xm.ID_LOW24],t.area))return i;const s=Zm(e[0],e[1],t.pixBuffer[Xm.ID_LOW24],t.area),l=Zm(e[0],e[1],t.pixBuffer[Xm.ID_HIGH24],t.area);return i.attributeID=eg(s,l),i}const a=[n[0],n[1]],s=[0,0];let l=e.getPixelInformation(n,0,o);if(l&&l.valid)return l;for(let t=1;tt?a[1]-t:0;n<=a[1]+t;++n){if(s[1]=n,a[0]>=t&&(s[0]=a[0]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[0]=a[0]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}for(let n=a[0]>=t?a[0]-(t-1):0;n<=a[0]+(t-1);++n){if(s[0]=n,a[1]>=t&&(s[1]=a[1]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[1]=a[1]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}}return o[0]=n[0],o[1]=n[1],null},e.generateSelection=(n,r,o,i)=>{const a=Math.floor(n),s=Math.floor(r),l=Math.floor(o),u=Math.floor(i),c=new Map,d=[0,0];for(let n=s;n<=u;n++)for(let r=a;r<=l;r++){const o=[r,n],i=e.getPixelInformation(o,0,d);if(i&&i.valid){const e=Jm(i);if(c.has(e)){const n=c.get(e);n.pixelCount++,t.captureZValues&&i.zValuet.rawPixBuffer[e],e.getPixelBuffer=e=>t.pixBuffer[e],e.attach=(e,n)=>{t._openGLRenderWindow=e,t._renderer=n};const n=e.setArea;e.setArea=function(){return!!n(...arguments)&&(t.area[0]=Math.floor(t.area[0]),t.area[1]=Math.floor(t.area[1]),t.area[2]=Math.floor(t.area[2]),t.area[3]=Math.floor(t.area[3]),!0)}}const ig={area:void 0,currentPass:-1,propColorValue:null,props:null,maximumPointId:0,maximumCellId:0,idOffset:1};function ag(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ig,n),Gm.extend(e,t,n),t.propColorValue=[0,0,0],t.props=[],t.area||(t.area=[0,0,0,0]),gt.setGetArray(e,t,["area"],4),gt.setGet(e,t,["_renderer","currentPass","_openGLRenderWindow","maximumPointId","maximumCellId"]),gt.setGetArray(e,t,["propColorValue"],3),gt.moveToProtected(e,t,["renderer","openGLRenderWindow"]),gt.event(e,t,"event"),og(e,t)}var sg={newInstance:gt.newInstance(ag,"vtkOpenGLHardwareSelector"),extend:ag,...cm},lg=n(594),ug=n.n(lg);const cg=["lastShaderProgramBound","context","_openGLRenderWindow"];function dg(e,t){t.classHierarchy.push("vtkShaderCache"),e.replaceShaderValues=(e,n,r)=>{let o=n;r.length>0&&(o=Ca.substitute(o,"VSOut","GSOut").result);const i=t._openGLRenderWindow.getWebgl2();let a="\n",s="#version 100\n";i?s="#version 300 es\n#define attribute in\n#define textureCube texture\n#define texture2D texture\n#define textureCubeLod textureLod\n#define texture2DLod textureLod\n":(t.context.getExtension("OES_standard_derivatives"),t.context.getExtension("EXT_frag_depth")&&(a="#extension GL_EXT_frag_depth : enable\n"),t.context.getExtension("EXT_shader_texture_lod")&&(a+="#extension GL_EXT_shader_texture_lod : enable\n#define textureCubeLod textureCubeLodEXT\n#define texture2DLod texture2DLodEXT")),o=Ca.substitute(o,"//VTK::System::Dec",[`${s}\n`,i?"":"#extension GL_OES_standard_derivatives : enable\n",a,"#ifdef GL_FRAGMENT_PRECISION_HIGH","precision highp float;","precision highp int;","#else","precision mediump float;","precision mediump int;","#endif"]).result;let l=Ca.substitute(e,"//VTK::System::Dec",[`${s}\n`,"#ifdef GL_FRAGMENT_PRECISION_HIGH","precision highp float;","precision highp int;","#else","precision mediump float;","precision mediump int;","#endif"]).result;if(i){l=Ca.substitute(l,"varying","out").result,o=Ca.substitute(o,"varying","in").result;let e="",t=0;for(;o.includes(`gl_FragData[${t}]`);)o=Ca.substitute(o,`gl_FragData\\[${t}\\]`,`fragOutput${t}`).result,e+=`layout(location = ${t}) out vec4 fragOutput${t};\n`,t++;o=Ca.substitute(o,"//VTK::Output::Dec",e).result}return{VSSource:l,FSSource:o,GSSource:Ca.substitute(r,"//VTK::System::Dec",s).result}},e.readyShaderProgramArray=(t,n,r)=>{const o=e.replaceShaderValues(t,n,r),i=e.getShaderProgram(o.VSSource,o.FSSource,o.GSSource);return e.readyShaderProgram(i)},e.readyShaderProgram=t=>t&&(t.getCompiled()||t.compileShader())&&e.bindShaderProgram(t)?t:null,e.getShaderProgram=(e,n,r)=>{const o=`${e}${n}${r}`,i=ug().hash(o);if(!(i in t.shaderPrograms)){const o=Ca.newInstance();return o.setContext(t.context),o.getVertexShader().setSource(e),o.getFragmentShader().setSource(n),r&&o.getGeometryShader().setSource(r),o.setMd5Hash(i),t.shaderPrograms[i]=o,o}return t.shaderPrograms[i]},e.releaseGraphicsResources=n=>{e.releaseCurrentShaderProgram(),Object.keys(t.shaderPrograms).map((e=>t.shaderPrograms[e])).forEach((e=>e.cleanup())),t.shaderPrograms={}},e.releaseCurrentShaderProgram=()=>{t.lastShaderProgramBound&&(t.lastShaderProgramBound.cleanup(),t.lastShaderProgramBound=null)},e.bindShaderProgram=e=>(t.lastShaderProgramBound===e||(t.lastShaderProgramBound&&t.lastShaderProgramBound.release(),e.bind(),t.lastShaderProgramBound=e),1)}const pg={lastShaderProgramBound:null,shaderPrograms:null,context:null};function fg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,pg,n),t.shaderPrograms={},gt.obj(e,t),gt.setGet(e,t,cg),gt.moveToProtected(e,t,["openGLRenderWindow"]),dg(e,t)}var hg={newInstance:gt.newInstance(fg,"vtkShaderCache"),extend:fg};const{vtkErrorMacro:mg}=gt;function gg(e,t){t.classHierarchy.push("vtkOpenGLTextureUnitManager"),e.deleteTable=()=>{for(let e=0;e{if(t.context!==n){if(0!==t.context&&e.deleteTable(),t.context=n,t.context){t.numberOfTextureUnits=n.getParameter(n.MAX_TEXTURE_IMAGE_UNITS);for(let e=0;e{for(let n=0;ne.isAllocated(n)?-1:(t.textureUnits[n]=!0,n),e.isAllocated=e=>t.textureUnits[e],e.free=e=>{t.textureUnits[e]=!1},e.freeAll=()=>{for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,vg,n),gt.obj(e,t),t.textureUnits=[],gt.get(e,t,["numberOfTextureUnits"]),gt.setGet(e,t,["context"]),gg(e,t)}var bg={newInstance:gt.newInstance(yg,"vtkOpenGLTextureUnitManager"),extend:yg};function xg(e,t){t.classHierarchy.push("vtkRenderWindowViewNode"),e.getViewNodeFactory=()=>null,e.getAspectRatio=()=>t.size[0]/t.size[1],e.getAspectRatioForRenderer=e=>{const n=e.getViewportByReference();return t.size[0]*(n[2]-n[0])/((n[3]-n[1])*t.size[1])},e.isInViewport=(t,n,r)=>{const o=r.getViewportByReference(),i=e.getFramebufferSize();return o[0]*i[0]<=t&&o[2]*i[0]>=t&&o[1]*i[1]<=n&&o[3]*i[1]>=n},e.getViewportSize=t=>{const 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i=o.getViewportByReference();i=e.normalizedDisplayToDisplay(i[0],i[1],0);const a=e.normalizedDisplayToDisplay(t,n,r);return[a[0]-i[0]-.5,a[1]-i[1]-.5,r]},e.viewportToNormalizedViewport=(t,n,r,o)=>{const i=e.getViewportSize(o);return i&&0!==i[0]&&0!==i[1]?[t/(i[0]-1),n/(i[1]-1),r]:[t,n,r]},e.normalizedViewportToViewport=(t,n,r,o)=>{const i=e.getViewportSize(o);return[t*(i[0]-1),n*(i[1]-1),r]},e.displayToLocalDisplay=(t,n,r)=>[t,e.getFramebufferSize()[1]-n-1,r],e.viewportToNormalizedDisplay=(t,n,r,o)=>{let i=o.getViewportByReference();i=e.normalizedDisplayToDisplay(i[0],i[1],0);const a=t+i[0]+.5,s=n+i[1]+.5;return e.displayToNormalizedDisplay(a,s,r)},e.getComputedDevicePixelRatio=()=>t.size[0]/e.getContainerSize()[0],e.getContainerSize=()=>{gt.vtkErrorMacro("not implemented")},e.getPixelData=(e,t,n,r)=>{gt.vtkErrorMacro("not implemented")},e.createSelector=()=>{gt.vtkErrorMacro("not implemented")}}const _g={size:void 0,selector:void 0};function Tg(e,t){let n=arguments.length>2&&void 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t=e.getContainer().getElementsByTagName("canvas");for(let e=0;e{t.cullFaceEnabled&&(t.context.disable(t.context.CULL_FACE),t.cullFaceEnabled=!1)},e.enableCullFace=()=>{t.cullFaceEnabled||(t.context.enable(t.context.CULL_FACE),t.cullFaceEnabled=!0)},e.setViewStream=n=>t.viewStream!==n&&(t.subscription&&(t.subscription.unsubscribe(),t.subscription=null),t.viewStream=n,t.viewStream&&(t.renderable.getRenderers()[0].getBackgroundByReference()[3]=0,e.setUseBackgroundImage(!0),t.subscription=t.viewStream.onImageReady((t=>e.setBackgroundImage(t.image))),t.viewStream.setSize(t.size[0],t.size[1]),t.viewStream.invalidateCache(),t.viewStream.render(),e.modified()),!0),e.createSelector=()=>{const t=sg.newInstance();return t.setOpenGLRenderWindow(e),t},e.delete=gt.chain((function(){t.canvas.removeEventListener("webglcontextlost",Ng),t.canvas.removeEventListener("webglcontextrestored",e.restoreContext)}),e.delete,e.setViewStream,Og),e.setActiveFramebuffer=e=>{t.activeFramebuffer=e};const i=e.setSize;e.setSize=(t,n)=>{const r=i(t,n);return r&&e.invokeWindowResizeEvent({width:t,height:n}),r},e.getGraphicsResourceForObject=e=>e?{vtkObj:t._graphicsResources.get(e),hash:t._graphicsResourceHash.get(e)}:null,e.setGraphicsResourceForObject=(e,n,r)=>{e&&(t._graphicsResources.set(e,n),t._graphicsResourceHash.set(e,r))},e.getGraphicsMemoryInfo=()=>{let e=0;return t._graphicsResources.forEach(((t,n)=>{e+=t.getAllocatedGPUMemoryInBytes()})),e},e.releaseGraphicsResourcesForObject=n=>!!n&&(t._graphicsResources.get(n)?.releaseGraphicsResources(e),t._graphicsResources.delete(n)&&t._graphicsResourceHash.delete(n)),e.releaseGraphicsResources=()=>{null!==t.shaderCache&&t.shaderCache.releaseGraphicsResources(e),t._graphicsResources.forEach(((t,n)=>{t.releaseGraphicsResources(e)})),t._graphicsResources.clear(),t._graphicsResourceHash.clear(),null!==t.textureUnitManager&&t.textureUnitManager.freeAll(),t.renderable.getRenderersByReference().forEach((t=>{e.getViewNodeFor(t)?.releaseGraphicsResources()}))}}const Rg={cullFaceEnabled:!1,shaderCache:null,initialized:!1,context:null,canvas:null,cursorVisibility:!0,cursor:"pointer",textureUnitManager:null,textureResourceIds:null,containerSize:null,renderPasses:[],notifyStartCaptureImage:!1,webgl2:!1,defaultToWebgl2:!0,activeFramebuffer:null,imageFormat:"image/png",useOffScreen:!1,useBackgroundImage:!1};const Fg=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Rg,n),Sg.extend(e,t,n),t.canvas=document.createElement("canvas"),t.canvas.style.width="100%",Pg(),t.selector||(t.selector=sg.newInstance(),t.selector.setOpenGLRenderWindow(e)),t.bgImage=new Image,t.bgImage.style.position="absolute",t.bgImage.style.left="0",t.bgImage.style.top="0",t.bgImage.style.width="100%",t.bgImage.style.height="100%",t.bgImage.style.zIndex="-1",t._textureResourceIds=new Map,t._graphicsResources=new Map,t._graphicsResourceHash=new Map,t._glInformation=null,t.myFactory=Nt.newInstance(),t.myFactory.registerOverride("vtkRenderWindow",Fg),t.shaderCache=hg.newInstance(),t.shaderCache.setOpenGLRenderWindow(e),t.renderPasses[0]=km.newInstance(),gt.event(e,t,"imageReady"),gt.get(e,t,["shaderCache","textureUnitManager","webgl2","useBackgroundImage","activeFramebuffer"]),gt.setGet(e,t,["initialized","context","canvas","renderPasses","notifyStartCaptureImage","defaultToWebgl2","cursor","useOffScreen"]),gt.setGetArray(e,t,["size"],2),gt.event(e,t,"windowResizeEvent"),Mg(e,t)}),"vtkOpenGLRenderWindow");If("WebGL",Fg);const kg=["setBindGroup","setIndexBuffer","setVertexBuffer","draw","drawIndexed"];function Lg(e,t){t.classHierarchy.push("vtkWebGPURenderEncoder"),e.begin=e=>{t.drawCallbacks=[],t.handle=e.beginRenderPass(t.description),t.label&&t.handle.pushDebugGroup(t.label)},e.end=()=>{for(let n=0;n{if(t.boundPipeline===e)return;t.handle.setPipeline(e.getHandle());const n=e.getPipelineDescription();if(t.colorTextureViews.length!==n.fragment.targets.length)console.log(`mismatched attachment counts on pipeline ${n.fragment.targets.length} while encoder has ${t.colorTextureViews.length}`),console.trace();else for(let e=0;e{t.replaceShaderCodeFunction(e)},e.setColorTextureView=(e,n)=>{t.colorTextureViews[e]!==n&&(t.colorTextureViews[e]=n)},e.activateBindGroup=e=>{const n=t.boundPipeline.getDevice(),r=t.boundPipeline.getBindGroupLayoutCount(e.getLabel());t.handle.setBindGroup(r,e.getBindGroup(n));const o=n.getBindGroupLayoutDescription(e.getBindGroupLayout(n)),i=n.getBindGroupLayoutDescription(t.boundPipeline.getBindGroupLayout(r));o!==i&&(console.log(`renderEncoder ${t.pipelineHash} mismatched bind group layouts bind group has\n${o}\n versus pipeline\n${i}\n`),console.trace())},e.attachTextureViews=()=>{for(let e=0;e{for(let r=0;r2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Bg,n),je(e,t),t.description={colorAttachments:[{view:void 0,loadOp:"load",storeOp:"store"}],depthStencilAttachment:{view:void 0,depthLoadOp:"clear",depthClearValue:0,depthStoreOp:"store"}},t.replaceShaderCodeFunction=e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = computedColor;"]).result,t.setCode(n)},t.pipelineSettings={primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater-equal",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}},t.colorTextureViews=[],He(e,t,["boundPipeline","colorTextureViews"]),$e(e,t,["depthTextureView","description","handle","label","pipelineHash","pipelineSettings","replaceShaderCodeFunction"]),Lg(e,t)}var Ug={newInstance:rt(Vg,"vtkWebGPURenderEncoder"),extend:Vg};function Gg(e,t){t.classHierarchy.push("vtkWebGPUTextureView"),e.create=(e,n)=>{t.texture=e,t.options=n,t.options.dimension=t.options.dimension||"2d",t.options.label=t.label,t.textureHandle=e.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupLayoutEntry.texture.viewDimension=t.options.dimension;const r=Hl(t.texture.getFormat());t.bindGroupLayoutEntry.texture.sampleType=r.sampleType},e.createFromTextureHandle=(e,n)=>{t.texture=null,t.options=n,t.options.dimension=t.options.dimension||"2d",t.options.label=t.label,t.textureHandle=e,t.handle=t.textureHandle.createView(t.options),t.bindGroupLayoutEntry.texture.viewDimension=t.options.dimension;const r=Hl(n.format);t.bindGroupLayoutEntry.texture.sampleType=r.sampleType,t.bindGroupTime.modified()},e.getBindGroupEntry=()=>({resource:e.getHandle()}),e.getShaderCode=(e,n)=>{let r="f32";"sint"===t.bindGroupLayoutEntry.texture.sampleType?r="i32":"uint"===t.bindGroupLayoutEntry.texture.sampleType&&(r="u32");let o=`@binding(${e}) @group(${n}) var ${t.label}: texture_${t.options.dimension}<${r}>;`;return"depth"===t.bindGroupLayoutEntry.texture.sampleType&&(o=`@binding(${e}) @group(${n}) var ${t.label}: texture_depth_${t.options.dimension};`),o},e.addSampler=(n,r)=>{const o=vc.newInstance({label:`${t.label}Sampler`});o.create(n,r),e.setSampler(o)},e.getBindGroupTime=()=>(t.texture&&t.texture.getHandle()!==t.textureHandle&&(t.textureHandle=t.texture.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupTime.modified()),t.bindGroupTime),e.getHandle=()=>(t.texture&&t.texture.getHandle()!==t.textureHandle&&(t.textureHandle=t.texture.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupTime.modified()),t.handle)}const zg={texture:null,handle:null,sampler:null,label:null};function jg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,zg,n),gt.obj(e,t),t.bindGroupLayoutEntry={visibility:GPUShaderStage.VERTEX|GPUShaderStage.FRAGMENT,texture:{sampleType:"float",viewDimension:"2d"}},t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),gt.get(e,t,["bindGroupTime","texture"]),gt.setGet(e,t,["bindGroupLayoutEntry","label","sampler"]),Gg(e,t)}var Wg={newInstance:gt.newInstance(jg),extend:jg};function Hg(e,t){t.classHierarchy.push("vtkTexture"),e.imageLoaded=()=>{t.image.removeEventListener("load",e.imageLoaded),t.imageLoaded=!0,e.modified()},e.setJsImageData=n=>{t.jsImageData!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.image=null,t.canvas=null),t.jsImageData=n,t.imageLoaded=!0,e.modified())},e.setCanvas=n=>{t.canvas!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.image=null,t.jsImageData=null),t.canvas=n,e.modified())},e.setImage=n=>{t.image!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.canvas=null,t.jsImageData=null),t.image=n,t.imageLoaded=!1,n.complete?e.imageLoaded():n.addEventListener("load",e.imageLoaded),e.modified())},e.getDimensionality=()=>{let n=0,r=0,o=1;if(e.getInputData()){const t=e.getInputData();n=t.getDimensions()[0],r=t.getDimensions()[1],o=t.getDimensions()[2]}return t.jsImageData&&(n=t.jsImageData.width,r=t.jsImageData.height),t.canvas&&(n=t.canvas.width,r=t.canvas.height),t.image&&(n=t.image.width,r=t.image.height),(n>1)+(r>1)+(o>1)},e.getInputAsJsImageData=()=>{if(!t.imageLoaded||e.getInputData())return null;if(t.jsImageData)return t.jsImageData();if(t.canvas)return t.canvas.getContext("2d").getImageData(0,0,t.canvas.width,t.canvas.height);if(t.image){const e=document.createElement("canvas");e.width=t.image.width,e.height=t.image.height;const n=e.getContext("2d");return n.translate(0,e.height),n.scale(1,-1),n.drawImage(t.image,0,0,t.image.width,t.image.height),n.getImageData(0,0,e.width,e.height)}return null}}const Xg={image:null,canvas:null,jsImageData:null,imageLoaded:!1,repeat:!1,interpolate:!1,edgeClamp:!1,mipLevel:0,resizable:!1};function Kg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Xg,n),gt.obj(e,t),gt.algo(e,t,6,0),gt.get(e,t,["canvas","image","jsImageData","imageLoaded","resizable"]),gt.setGet(e,t,["repeat","edgeClamp","interpolate","mipLevel"]),Hg(e,t)}const qg={generateMipmaps:(e,t,n,r)=>{const o=[1,2,1],i=e.length/(t*n);let a=t,s=n,l=e;const u=[l];for(let e=0;ei&&(c+=t),d<-i&&(c-=t),r[c]?u+=r[c]*o[l]:s-=o[l],a+=1}l[e+n]=u/s}r=[...l];for(let e=0;e{t.device=e,t.width=n.width,t.height=n.height,t.depth=n.depth?n.depth:1;const r=1===t.depth?"2d":"3d";t.format=n.format?n.format:"rgba8unorm",t.mipLevel=n.mipLevel?n.mipLevel:0,t.usage=n.usage?n.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST,t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label,dimension:r,mipLevelCount:t.mipLevel+1})},e.assignFromHandle=(e,n,r)=>{t.device=e,t.handle=n,t.width=r.width,t.height=r.height,t.depth=r.depth?r.depth:1,t.format=r.format?r.format:"rgba8unorm",t.usage=r.usage?r.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST},e.writeImageData=n=>{let r=[];if(n.canvas)return t.device.getHandle().queue.copyExternalImageToTexture({source:n.canvas,flipY:n.flip},{texture:t.handle,premultipliedAlpha:!0},[t.width,t.height,t.depth]),void(t.ready=!0);n.jsImageData&&!n.nativeArray&&(n.width=n.jsImageData.width,n.height=n.jsImageData.height,n.depth=1,n.format="rgba8unorm",n.flip=!0,n.nativeArray=n.jsImageData.data);const o=Hl(t.format);let i=t.width*o.stride;const a=(e,t,n)=>{const r=e.length/(t*n)*e.BYTES_PER_ELEMENT,i=2===o.elementSize&&"float"===o.sampleType;if(i||r%256){const a=e,s=r/a.BYTES_PER_ELEMENT,l=o.elementSize,u=256*Math.floor((s*l+255)/256),c=u/l,d=gt.newTypedArray(i?"Uint16Array":a.constructor.name,c*t*n);for(let e=0;e{const e=Hl(t.format);return 2===e.elementSize&&"float"===e.sampleType?1:255},e.getNumberOfComponents=()=>Hl(t.format).numComponents,e.getDimensionality=()=>{let e=0;return t.width>1&&e++,t.height>1&&e++,t.depth>1&&e++,e},e.resizeToMatch=e=>{e.getWidth()===t.width&&e.getHeight()===t.height&&e.getDepth()===t.depth||(t.width=e.getWidth(),t.height=e.getHeight(),t.depth=e.getDepth(),t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label}))},e.resize=function(e,n){let r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:1;e===t.width&&n===t.height&&r===t.depth||(t.width=e,t.height=n,t.depth=r,t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label}))},e.createView=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};r.dimension||(r.dimension=1===t.depth?"2d":"3d");const o=Wg.newInstance({label:n});return o.create(e,r),o}}const Qg={device:null,handle:null,buffer:null,ready:!1,label:null};function Zg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Qg,n),gt.obj(e,t),gt.get(e,t,["handle","ready","width","height","depth","format","usage"]),gt.setGet(e,t,["device","label"]),Jg(e,t)}var ev={newInstance:gt.newInstance(Zg),extend:Zg};function tv(e,t){t.classHierarchy.push("vtkWebGPUOpaquePass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.renderEncoder)t.colorTexture.resize(r.getCanvas().width,r.getCanvas().height),t.depthTexture.resize(r.getCanvas().width,r.getCanvas().height);else{e.createRenderEncoder(),t.colorTexture=ev.newInstance({label:"opaquePassColor"}),t.colorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const n=t.colorTexture.createView("opaquePassColorTexture");t.renderEncoder.setColorTextureView(0,n),t.depthFormat="depth32float",t.depthTexture=ev.newInstance({label:"opaquePassDepth"}),t.depthTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:t.depthFormat,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const i=t.depthTexture.createView("opaquePassDepthTexture");t.renderEncoder.setDepthTextureView(i)}t.renderEncoder.attachTextureViews(),e.setCurrentOperation("opaquePass"),n.setRenderEncoder(t.renderEncoder),n.traverse(e)},e.getColorTextureView=()=>t.renderEncoder.getColorTextureViews()[0],e.getDepthTextureView=()=>t.renderEncoder.getDepthTextureView(),e.createRenderEncoder=()=>{t.renderEncoder=Ug.newInstance({label:"OpaquePass"}),t.renderEncoder.setPipelineHash("op")}}const nv={renderEncoder:null,colorTexture:null,depthTexture:null};function rv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,nv,n),Cm.extend(e,t,n),gt.get(e,t,["colorTexture","depthTexture"]),tv(e,t)}var ov={newInstance:gt.newInstance(rv,"vtkWebGPUOpaquePass"),extend:rv};function iv(e,t){t.classHierarchy.push("vtkWebGPUOrderIndependentTranslucentPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.translucentRenderEncoder)t.translucentColorTexture.resizeToMatch(t.colorTextureView.getTexture()),t.translucentAccumulateTexture.resizeToMatch(t.colorTextureView.getTexture());else{e.createRenderEncoder(),e.createFinalEncoder(),t.translucentColorTexture=ev.newInstance({label:"translucentPassColor"}),t.translucentColorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const n=t.translucentColorTexture.createView("oitpColorTexture");t.translucentRenderEncoder.setColorTextureView(0,n),t.translucentAccumulateTexture=ev.newInstance({label:"translucentPassAccumulate"}),t.translucentAccumulateTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const i=t.translucentAccumulateTexture.createView("oitpAccumTexture");t.translucentRenderEncoder.setColorTextureView(1,i),t.fullScreenQuad=du.newInstance(),t.fullScreenQuad.setDevice(r.getDevice()),t.fullScreenQuad.setPipelineHash("oitpfsq"),t.fullScreenQuad.setTextureViews(t.translucentRenderEncoder.getColorTextureViews()),t.fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var tcoord: vec2 = vec2(i32(input.fragPos.x), i32(input.fragPos.y));\n var reveal: f32 = textureLoad(oitpAccumTexture, tcoord, 0).r;\n if (reveal == 1.0) { discard; }\n var tcolor: vec4 = textureLoad(oitpColorTexture, tcoord, 0);\n var total: f32 = max(tcolor.a, 0.01);\n var computedColor: vec4 = vec4(tcolor.r/total, tcolor.g/total, tcolor.b/total, 1.0 - reveal);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n")}t.translucentRenderEncoder.setDepthTextureView(t.depthTextureView),t.translucentRenderEncoder.attachTextureViews(),e.setCurrentOperation("translucentPass"),n.setRenderEncoder(t.translucentRenderEncoder),n.traverse(e),e.finalPass(r,n)},e.finalPass=(e,n)=>{t.translucentFinalEncoder.setColorTextureView(0,t.colorTextureView),t.translucentFinalEncoder.attachTextureViews(),t.translucentFinalEncoder.begin(e.getCommandEncoder()),n.scissorAndViewport(t.translucentFinalEncoder),t.fullScreenQuad.prepareAndDraw(t.translucentFinalEncoder),t.translucentFinalEncoder.end()},e.getTextures=()=>[t.translucentColorTexture,t.translucentAccumulateTexture],e.createRenderEncoder=()=>{t.translucentRenderEncoder=Ug.newInstance({label:"translucentRender"});const e=t.translucentRenderEncoder.getDescription();e.colorAttachments=[{view:void 0,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:void 0,clearValue:[1,0,0,0],loadOp:"clear",storeOp:"store"}],e.depthStencilAttachment={view:void 0,depthLoadOp:"load",depthStoreOp:"store"},t.translucentRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor"),t.addOutput("f32","outAccum"),t.addBuiltinInput("vec4","@builtin(position) fragPos");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["var w: f32 = computedColor.a * pow(0.1 + input.fragPos.z, 2.0);","output.outColor = vec4(computedColor.rgb*w, w);","output.outAccum = computedColor.a;"]).result,t.setCode(n)})),t.translucentRenderEncoder.setPipelineHash("oitpr"),t.translucentRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!1,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one"},alpha:{srcfactor:"one",dstFactor:"one"}}},{format:"r16float",blend:{color:{srcFactor:"zero",dstFactor:"one-minus-src"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createFinalEncoder=()=>{t.translucentFinalEncoder=Ug.newInstance({label:"translucentFinal"}),t.translucentFinalEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t.translucentFinalEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor"),t.addBuiltinInput("vec4","@builtin(position) fragPos");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t.translucentFinalEncoder.setPipelineHash("oitpf"),t.translucentFinalEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})}}const av={colorTextureView:null,depthTextureView:null};function sv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,av,n),Cm.extend(e,t,n),gt.setGet(e,t,["colorTextureView","depthTextureView"]),iv(e,t)}var lv={newInstance:gt.newInstance(sv,"vtkWebGPUOrderIndependentTranslucentPass"),extend:sv};const uv="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Volume::TraverseDec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\nfn getTextureValue(vTex: texture_3d, tpos: vec4) -> f32\n{\n // todo multicomponent support\n return textureSampleLevel(vTex, clampSampler, tpos.xyz, 0.0).r;\n}\n\nfn getGradient(vTex: texture_3d, tpos: vec4, vNum: i32, scalar: f32) -> vec4\n{\n var result: vec4;\n\n var tstep: vec4 = volumeSSBO.values[vNum].tstep;\n result.x = getTextureValue(vTex, tpos + vec4(tstep.x, 0.0, 0.0, 1.0)) - scalar;\n result.y = getTextureValue(vTex, tpos + vec4(0.0, tstep.y, 0.0, 1.0)) - scalar;\n result.z = getTextureValue(vTex, tpos + vec4(0.0, 0.0, tstep.z, 1.0)) - scalar;\n result.w = 0.0;\n\n // divide by spacing as that is our delta\n result = result / volumeSSBO.values[vNum].spacing;\n // now we have a gradient in unit tcoords\n\n var grad: f32 = length(result.xyz);\n if (grad > 0.0)\n {\n // rotate to View Coords, needed for lighting and shading\n var nMat: mat4x4 = rendererUBO.SCVCMatrix * volumeSSBO.values[vNum].planeNormals;\n result = nMat * result;\n result = result / length(result);\n }\n\n // store gradient magnitude in .w\n result.w = grad;\n\n return result;\n}\n\nfn processVolume(vTex: texture_3d, vNum: i32, cNum: i32, posSC: vec4, tfunRows: f32) -> vec4\n{\n var outColor: vec4 = vec4(0.0, 0.0, 0.0, 0.0);\n\n // convert to tcoords and reject if outside the volume\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*posSC;\n if (tpos.x < 0.0 || tpos.y < 0.0 || tpos.z < 0.0 ||\n tpos.x > 1.0 || tpos.y > 1.0 || tpos.z > 1.0) { return outColor; }\n\n var scalar: f32 = getTextureValue(vTex, tpos);\n\n var coord: vec2 =\n vec2(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n (0.5 + 2.0 * f32(vNum)) / tfunRows);\n var color: vec4 = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n\n var gofactor: f32 = 1.0;\n var normal: vec4 = vec4(0.0,0.0,0.0,0.0);\n if (componentSSBO.values[cNum].gomin < 1.0 || volumeSSBO.values[vNum].shade[0] > 0.0)\n {\n normal = getGradient(vTex, tpos, vNum, scalar);\n if (componentSSBO.values[cNum].gomin < 1.0)\n {\n gofactor = clamp(normal.a*componentSSBO.values[cNum].goScale + componentSSBO.values[cNum].goShift,\n componentSSBO.values[cNum].gomin, componentSSBO.values[cNum].gomax);\n }\n }\n\n coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n\n if (volumeSSBO.values[vNum].shade[0] > 0.0)\n {\n color = color*abs(normal.z);\n }\n\n outColor = vec4(color.rgb, gofactor * opacity);\n\n return outColor;\n}\n\n// adjust the start and end point of a raycast such that it intersects the unit cube.\n// This function is used to take a raycast starting point and step vector\n// and numSteps and return the startijng and ending steps for intersecting the\n// unit cube. Recall for a 3D texture, the unit cube is the range of texture coordsinates\n// that have valid values. So this funtion can be used to take a ray in texture coordinates\n// and bound it to intersecting the texture.\n//\nfn adjustBounds(tpos: vec4, tstep: vec4, numSteps: f32) -> vec2\n{\n var result: vec2 = vec2(0.0, numSteps);\n var tpos2: vec4 = tpos + tstep*numSteps;\n\n // move tpos to the start of the volume\n var adjust: f32 =\n min(\n max(tpos.x/tstep.x, (tpos.x - 1.0)/tstep.x),\n min(\n max((tpos.y - 1.0)/tstep.y, tpos.y/tstep.y),\n max((tpos.z - 1.0)/tstep.z, tpos.z/tstep.z)));\n if (adjust < 0.0)\n {\n result.x = result.x - adjust;\n }\n\n // adjust length to the end\n adjust =\n max(\n min(tpos2.x/tstep.x, (tpos2.x - 1.0)/tstep.x),\n max(\n min((tpos2.y - 1.0)/tstep.y, tpos2.y/tstep.y),\n min((tpos2.z - 1.0)/tstep.z, tpos2.z/tstep.z)));\n if (adjust > 0.0)\n {\n result.y = result.y - adjust;\n }\n\n return result;\n}\n\nfn getSimpleColor(scalar: f32, vNum: i32, cNum: i32) -> vec4\n{\n // how many rows (tfuns) do we have in our tfunTexture\n var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n var coord: vec2 =\n vec2(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n (0.5 + 2.0 * f32(vNum)) / tfunRows);\n var color: vec4 = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n return vec4(color.rgb, opacity);\n}\n\nfn traverseMax(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var maxVal: f32 = -1.0e37;\n loop\n {\n var scalar: f32 = getTextureValue(vTex, tpos);\n if (scalar > maxVal)\n {\n maxVal = scalar;\n }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(maxVal, vNum, cNum);\n}\n\nfn traverseMin(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var minVal: f32 = 1.0e37;\n loop\n {\n var scalar: f32 = getTextureValue(vTex, tpos);\n if (scalar < minVal)\n {\n minVal = scalar;\n }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(minVal, vNum, cNum);\n}\n\nfn traverseAverage(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n let ipRange: vec4 = volumeSSBO.values[vNum].ipScalarRange;\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var avgVal: f32 = 0.0;\n var sampleCount: f32 = 0.0;\n loop\n {\n var sample: f32 = getTextureValue(vTex, tpos);\n // right now leave filtering off until WebGL changes get merged\n // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n // {\n avgVal = avgVal + sample;\n sampleCount = sampleCount + 1.0;\n // }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n if (sampleCount <= 0.0)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(avgVal/sampleCount, vNum, cNum);\n}\n\nfn traverseAdditive(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n let ipRange: vec4 = volumeSSBO.values[vNum].ipScalarRange;\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var sumVal: f32 = 0.0;\n loop\n {\n var sample: f32 = getTextureValue(vTex, tpos);\n // right now leave filtering off until WebGL changes get merged\n // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n // {\n sumVal = sumVal + sample;\n // }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(sumVal, vNum, cNum);\n}\n\nfn composite(rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4) -> vec4\n{\n // initial ray position is at the beginning\n var rayPosSC: vec4 = minPosSC;\n\n // how many rows (tfuns) do we have in our tfunTexture\n var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n var curDist: f32 = 0.0;\n var computedColor: vec4 = vec4(0.0, 0.0, 0.0, 0.0);\n var sampleColor: vec4;\n//VTK::Volume::TraverseCalls\n\n loop\n {\n // for each volume, sample and accumulate color\n//VTK::Volume::CompositeCalls\n\n // increment position\n curDist = curDist + mapperUBO.SampleDistance;\n rayPosSC = rayPosSC + rayStepSC;\n\n // check if we have reached a terminating condition\n if (curDist > rayLengthSC) { break; }\n if (computedColor.a > 0.98) { break; }\n }\n return computedColor;\n}\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var rayMax: f32 = textureSampleLevel(maxTexture, clampSampler, input.tcoordVS, 0.0).r;\n var rayMin: f32 = textureSampleLevel(minTexture, clampSampler, input.tcoordVS, 0.0).r;\n\n // discard empty rays\n if (rayMax <= rayMin) { discard; }\n else\n {\n // compute start and end ray positions in view coordinates\n var minPosSC: vec4 = rendererUBO.PCSCMatrix*vec4(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMax, 1.0);\n minPosSC = minPosSC * (1.0 / minPosSC.w);\n var maxPosSC: vec4 = rendererUBO.PCSCMatrix*vec4(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMin, 1.0);\n maxPosSC = maxPosSC * (1.0 / maxPosSC.w);\n\n var rayLengthSC: f32 = distance(minPosSC.xyz, maxPosSC.xyz);\n var rayStepSC: vec4 = (maxPosSC - minPosSC)*(mapperUBO.SampleDistance/rayLengthSC);\n rayStepSC.w = 0.0;\n\n var computedColor: vec4;\n\n//VTK::Volume::Loop\n\n//VTK::RenderEncoder::Impl\n }\n\n return output;\n}\n",cv=new Float64Array(16),dv=new Float64Array(16);function pv(e,t){t.classHierarchy.push("vtkWebGPUVolumePassFSQ"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position");let o=r.getCode();o=Fl.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4(vertexBC, 1.0);"]).result,r.setCode(o),t.getShaderDescription("fragment").addBuiltinInput("vec4","@builtin(position) fragPos")},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderVolume=(e,n,r)=>{const o=n.getShaderDescription("fragment");let i=o.getCode();const a=[],s=[];for(let e=0;e(\n sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n (1.0 - computedColor.a)*sampleColor.a + computedColor.a);")):(s.push(` sampleColor = traverseVals[${e}];`),s.push(" computedColor = vec4(\n sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n (1.0 - computedColor.a)*sampleColor.a + computedColor.a);"));i=Fl.substitute(i,"//VTK::Volume::CompositeCalls",a).result,i=Fl.substitute(i,"//VTK::Volume::TraverseCalls",s).result,i=Fl.substitute(i,"//VTK::Volume::TraverseDec",[`var traverseVals: array,${t.volumes.length}>;`]).result;let l=!1;for(let e=0;e{let r=e.getMTime();for(let e=0;e{let r=Math.max(e.getMTime(),t.WebGPURenderer.getStabilizedTime());for(let e=0;e"),t.SSBO.addEntry("planeNormals","mat4x4"),t.SSBO.addEntry("shade","vec4"),t.SSBO.addEntry("tstep","vec4"),t.SSBO.addEntry("spacing","vec4"),t.SSBO.addEntry("ipScalarRange","vec4"),t.SSBO.setAllInstancesFromArray("SCTCMatrix",i),t.SSBO.setAllInstancesFromArray("planeNormals",a),t.SSBO.setAllInstancesFromArray("shade",l),t.SSBO.setAllInstancesFromArray("tstep",s),t.SSBO.setAllInstancesFromArray("spacing",u),t.SSBO.setAllInstancesFromArray("ipScalarRange",c),t.SSBO.send(n),t.componentSSBO.clearData(),t.componentSSBO.setNumberOfInstances(t.numRows);const d=new Float64Array(t.numRows),p=new Float64Array(t.numRows),g=new Float64Array(t.numRows),v=new Float64Array(t.numRows),_=new Float64Array(t.numRows),T=new Float64Array(t.numRows),S=new Float64Array(t.numRows),w=new Float64Array(t.numRows);let C=0;for(let e=0;e{n();let r=t.volumes[0].getRenderable().getMapper().getSampleDistance();for(let e=0;e{t.pipelineHash="volfsq";for(let e=0;e{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r{const e=r();return e.push(t.componentSSBO),e.push(t.clampSampler),e}}const fv={volumes:null,rowLength:1024,lastVolumeLength:0};function hv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,fv,n),du.extend(e,t,n),t.fragmentShaderTemplate=uv,t.UBO=ac.newInstance({label:"mapperUBO"}),t.UBO.addEntry("SampleDistance","f32"),t.SSBO=ec.newInstance({label:"volumeSSBO"}),t.componentSSBO=ec.newInstance({label:"componentSSBO"}),t.lutBuildTime={},gt.obj(t.lutBuildTime,{mtime:0}),pv(e,t)}var mv={newInstance:gt.newInstance(hv,"vtkWebGPUVolumePassFSQ"),extend:hv};const{Representation:gv}=wu,{BufferUsage:vv,PrimitiveTypes:yv}=qu,bv=[[0,4,6],[0,6,2],[1,3,7],[1,7,5],[0,5,4],[0,1,5],[2,6,7],[2,7,3],[0,3,1],[0,2,3],[4,5,7],[4,7,6]],xv="\n//VTK::Renderer::Dec\n\n//VTK::Select::Dec\n\n//VTK::VolumePass::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output : fragmentOutput;\n\n //VTK::Select::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::VolumePass::Impl\n\n // use the maximum (closest) of the current value and the zbuffer\n // the blend func will then take the min to find the farthest stop value\n var stopval: f32 = max(input.fragPos.z, textureLoad(opaquePassDepthTexture, vec2(i32(input.fragPos.x), i32(input.fragPos.y)), 0));\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n";function _v(e,t){t.classHierarchy.push("vtkWebGPUVolumePass"),e.initialize=n=>{t._clearEncoder||e.createClearEncoder(n),t._mergeEncoder||e.createMergeEncoder(n),t._copyEncoder||e.createCopyEncoder(n),t._depthRangeEncoder||e.createDepthRangeEncoder(n),t.fullScreenQuad||(t.fullScreenQuad=mv.newInstance(),t.fullScreenQuad.setDevice(n.getDevice()),t.fullScreenQuad.setTextureViews([...t._depthRangeEncoder.getColorTextureViews()])),t._volumeCopyQuad||(t._volumeCopyQuad=du.newInstance(),t._volumeCopyQuad.setPipelineHash("volpassfsq"),t._volumeCopyQuad.setDevice(n.getDevice()),t._volumeCopyQuad.setFragmentShaderTemplate("\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = textureSample(volumePassColorTexture,\n volumePassColorTextureSampler, mapperUBO.tscale*input.tcoordVS);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n"),t._copyUBO=ac.newInstance({label:"mapperUBO"}),t._copyUBO.addEntry("tscale","vec2"),t._volumeCopyQuad.setUBO(t._copyUBO),t._volumeCopyQuad.setTextureViews([t._colorTextureView]))},e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r,e.initialize(r),e.computeTiming(r),e.renderDepthBounds(n,r),t._firstGroup=!0;const o=r.getDevice(),i=o.getHandle().limits.maxSampledTexturesPerShaderStage-4;if(t.volumes.length>i){const o=n.getRenderable().getActiveCamera().getPosition(),a=[];for(let e=0;ea[t]-a[e]));let l=[],u=s.length%i;for(let o=0;o=u&&(e.rayCastPass(r,n,l),l=[],u=i,t._firstGroup=!1)}else e.rayCastPass(r,n,t.volumes);if(t._volumeCopyQuad.setWebGPURenderer(n),t._useSmallViewport){const e=t._colorTextureView.getTexture().getWidth(),n=t._colorTextureView.getTexture().getHeight();t._copyUBO.setArray("tscale",[t._smallViewportWidth/e,t._smallViewportHeight/n])}else t._copyUBO.setArray("tscale",[1,1]);t._copyUBO.sendIfNeeded(o),t._copyEncoder.setColorTextureView(0,t.colorTextureView),t._copyEncoder.attachTextureViews(),t._copyEncoder.begin(r.getCommandEncoder()),n.scissorAndViewport(t._copyEncoder),t._volumeCopyQuad.prepareAndDraw(t._copyEncoder),t._copyEncoder.end()},e.delete=gt.chain((()=>{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.computeTiming=e=>{const n=e.getRenderable().getInteractor();if(null==t._lastScale){const e=t.volumes[0].getRenderable().getMapper();t._lastScale=e.getInitialInteractionScale()||1}t._useSmallViewport=!1,n.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._colorTexture.resize(e.getCanvas().width,e.getCanvas().height),t._animationRateSubscription||(t._animationRateSubscription=n.onAnimationFrameRateUpdate((()=>{const e=t.volumes[0].getRenderable().getMapper();if(e.getAutoAdjustSampleDistances()){const e=n.getRecentAnimationFrameRate(),r=t._lastScale*n.getDesiredUpdateRate()/e;t._lastScale=r,t._lastScale>400&&(t._lastScale=400)}else t._lastScale=e.getImageSampleDistance()*e.getImageSampleDistance();t._lastScale<1.5&&(t._lastScale=1.5)})))},e.rayCastPass=(e,n,r)=>{const o=t._firstGroup?t._clearEncoder:t._mergeEncoder;o.attachTextureViews(),o.begin(e.getCommandEncoder());let i=t._colorTextureView.getTexture().getWidth(),a=t._colorTextureView.getTexture().getHeight();if(t._useSmallViewport){const n=e.getCanvas(),r=1/Math.sqrt(t._lastScale);t._smallViewportWidth=Math.ceil(r*n.width),t._smallViewportHeight=Math.ceil(r*n.height),i=t._smallViewportWidth,a=t._smallViewportHeight}o.getHandle().setViewport(0,0,i,a,0,1),o.getHandle().setScissorRect(0,0,i,a),t.fullScreenQuad.setWebGPURenderer(n),t.fullScreenQuad.setVolumes(r),t.fullScreenQuad.prepareAndDraw(o),o.end()},e.renderDepthBounds=(n,r)=>{e.updateDepthPolyData(n);const o=t._boundsPoly,i=o.getPoints(),a=o.getPolys();let s={hash:`vp${a.getMTime()}`,usage:vv.Index,cells:a,numberOfPoints:i.getNumberOfPoints(),primitiveType:yv.Triangles,representation:gv.SURFACE};const l=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().setIndexBuffer(l),s={usage:vv.PointArray,format:"float32x4",hash:`vp${i.getMTime()}${a.getMTime()}`,dataArray:i,indexBuffer:l,packExtra:!0};const u=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().addBuffer(u,["vertexBC"]),t._mapper.setNumberOfVertices(u.getSizeInBytes()/u.getStrideInBytes()),e.drawDepthRange(n,r)},e.updateDepthPolyData=e=>{let n=!1;for(let e=0;e{t._depthRangeTexture.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeTexture2.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeEncoder.attachTextureViews(),e.setCurrentOperation("volumeDepthRangePass"),n.setRenderEncoder(t._depthRangeEncoder),n.volumeDepthRangePass(!0),t._mapper.setWebGPURenderer(n),t._mapper.prepareToDraw(t._depthRangeEncoder),t._mapper.registerDrawCallback(t._depthRangeEncoder),n.volumeDepthRangePass(!1)},e.createDepthRangeEncoder=e=>{const n=e.getDevice();t._depthRangeEncoder=Ug.newInstance({label:"VolumePass DepthRange"}),t._depthRangeEncoder.setPipelineHash("volr"),t._depthRangeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor1"),t.addOutput("vec4","outColor2");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor1 = vec4(input.fragPos.z, 0.0, 0.0, 0.0);","output.outColor2 = vec4(stopval, 0.0, 0.0, 0.0);"]).result,t.setCode(n)})),t._depthRangeEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:null,clearValue:[1,1,1,1],loadOp:"clear",storeOp:"store"}]}),t._depthRangeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"max"},alpha:{srcfactor:"one",dstFactor:"one",operation:"max"}}},{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"min"},alpha:{srcfactor:"one",dstFactor:"one",operation:"min"}}}]}}),t._depthRangeTexture=ev.newInstance({label:"volumePassMaxDepth"}),t._depthRangeTexture.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const r=t._depthRangeTexture.createView("maxTexture");t._depthRangeEncoder.setColorTextureView(0,r),t._depthRangeTexture2=ev.newInstance({label:"volumePassDepthMin"}),t._depthRangeTexture2.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const o=t._depthRangeTexture2.createView("minTexture");t._depthRangeEncoder.setColorTextureView(1,o),t._mapper.setDevice(e.getDevice()),t._mapper.setTextureViews([t.depthTextureView])},e.createClearEncoder=e=>{t._colorTexture=ev.newInstance({label:"volumePassColor"}),t._colorTexture.create(e.getDevice(),{width:e.getCanvas().width,height:e.getCanvas().height,format:"bgra8unorm",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC}),t._colorTextureView=t._colorTexture.createView("volumePassColorTexture"),t._colorTextureView.addSampler(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._clearEncoder=Ug.newInstance({label:"VolumePass Clear"}),t._clearEncoder.setColorTextureView(0,t._colorTextureView),t._clearEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"}]}),t._clearEncoder.setPipelineHash("volpf"),t._clearEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createCopyEncoder=e=>{t._copyEncoder=Ug.newInstance({label:"volumePassCopy"}),t._copyEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._copyEncoder.setPipelineHash("volcopypf"),t._copyEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createMergeEncoder=e=>{t._mergeEncoder=Ug.newInstance({label:"volumePassMerge"}),t._mergeEncoder.setColorTextureView(0,t._colorTextureView),t._mergeEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._mergeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t._mergeEncoder.setPipelineHash("volpf"),t._mergeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.setVolumes=n=>{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Tv,n),Cm.extend(e,t,n),t._mapper=su.newInstance(),t._mapper.setFragmentShaderTemplate(xv),t._mapper.getShaderReplacements().set("replaceShaderVolumePass",((e,t,n)=>{t.getShaderDescription("fragment").addBuiltinInput("vec4","@builtin(position) fragPos")})),t._boundsPoly=ji.newInstance(),t._lastMTimes=[],gt.setGet(e,t,["colorTextureView","depthTextureView"]),_v(e,t)}var wv={newInstance:gt.newInstance(Sv,"vtkWebGPUVolumePass"),extend:Sv};function Cv(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e),t.opaquePass||(t.opaquePass=ov.newInstance());const o=n.getRenderable().getNumberOfLayers(),i=n.getChildren();for(let r=0;r0&&(t.translucentPass||(t.translucentPass=lv.newInstance()),t.translucentPass.setColorTextureView(t.opaquePass.getColorTextureView()),t.translucentPass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.translucentPass.traverse(a,n)),t.volumes.length>0&&(t.volumePass||(t.volumePass=wv.newInstance()),t.volumePass.setColorTextureView(t.opaquePass.getColorTextureView()),t.volumePass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.volumePass.setVolumes(t.volumes),t.volumePass.traverse(a,n)),e.finalPass(n,a))}},e.finalPass=(n,r)=>{t._finalBlitEncoder||e.createFinalBlitEncoder(n),t._finalBlitOutputTextureView.createFromTextureHandle(n.getCurrentTexture(),{depth:1,format:n.getPresentationFormat()}),t._finalBlitEncoder.attachTextureViews(),t._finalBlitEncoder.begin(n.getCommandEncoder()),r.scissorAndViewport(t._finalBlitEncoder),t._fullScreenQuad.prepareAndDraw(t._finalBlitEncoder),t._finalBlitEncoder.end()},e.createFinalBlitEncoder=e=>{t._finalBlitEncoder=Ug.newInstance({label:"forwardPassBlit"}),t._finalBlitEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._finalBlitEncoder.setPipelineHash("fpf"),t._finalBlitEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:e.getPresentationFormat(),blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}}),t._fsqSampler=vc.newInstance({label:"finalPassSampler"}),t._fsqSampler.create(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._fullScreenQuad=du.newInstance(),t._fullScreenQuad.setDevice(e.getDevice()),t._fullScreenQuad.setPipelineHash("fpfsq"),t._fullScreenQuad.setTextureViews([t.opaquePass.getColorTextureView()]),t._fullScreenQuad.setAdditionalBindables([t._fsqSampler]),t._fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = clamp(textureSampleLevel(opaquePassColorTexture, finalPassSampler, input.tcoordVS, 0),vec4(0.0),vec4(1.0));\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n"),t._finalBlitOutputTextureView=Wg.newInstance(),t._finalBlitEncoder.setColorTextureView(0,t._finalBlitOutputTextureView)},e.incrementOpaqueActorCount=()=>t.opaqueActorCount++,e.incrementTranslucentActorCount=()=>t.translucentActorCount++,e.addVolume=e=>{t.volumes.push(e)}}const Av={opaqueActorCount:0,translucentActorCount:0,volumes:null,opaqueRenderEncoder:null,translucentPass:null,volumePass:null};function Ev(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Av,n),Cm.extend(e,t,n),gt.setGet(e,t,["opaquePass","translucentPass","volumePass"]),Cv(e,t)}var Dv={newInstance:gt.newInstance(Ev,"vtkForwardPass"),extend:Ev};const{VtkDataTypes:Iv}=Wr;function Pv(e,t){function n(e){if(e.imageData){e.dataArray=e.imageData.getPointData().getScalars(),e.time=e.dataArray.getMTime(),e.nativeArray=e.dataArray.getData();const t=e.imageData.getDimensions();switch(e.width=t[0],e.height=t[1],e.depth=t[2],e.dataArray.getNumberOfComponents()){case 1:e.format="r";break;case 2:e.format="rg";break;default:e.format="rgba"}switch(e.dataArray.getDataType()){case Iv.UNSIGNED_CHAR:e.format+="8unorm";break;case Iv.FLOAT:case Iv.UNSIGNED_INT:case Iv.INT:case Iv.DOUBLE:case Iv.UNSIGNED_SHORT:case Iv.SHORT:default:e.format+="16float"}}e.image&&(e.width=e.image.width,e.height=e.image.height,e.depth=1,e.format="rgba8unorm"),e.jsImageData&&(e.width=e.jsImageData.width,e.height=e.jsImageData.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.nativeArray=e.jsImageData.data),e.canvas&&(e.width=e.canvas.width,e.height=e.canvas.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.usage=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.RENDER_ATTACHMENT)}function r(e){const n=ev.newInstance();return n.create(t.device,{width:e.width,height:e.height,depth:e.depth,format:e.format,usage:e.usage,mipLevel:e.mipLevel}),(e.nativeArray||e.image||e.canvas)&&n.writeImageData(e),n}t.classHierarchy.push("vtkWebGPUTextureManager"),e.getTexture=e=>e.hash?t.device.getCachedObject(e.hash,r,e):r(e),e.getTextureForImageData=e=>{const r={time:e.getMTime()};return r.imageData=e,n(r),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)},e.getTextureForVTKTexture=e=>{const r={time:e.getMTime()};return e.getInputData()?r.imageData=e.getInputData():e.getImage()?r.image=e.getImage():e.getJsImageData()?r.jsImageData=e.getJsImageData():e.getCanvas()&&(r.canvas=e.getCanvas()),n(r),r.mipLevel=e.getMipLevel(),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)}}const Ov={handle:null,device:null};function Nv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ov,n),gt.obj(e,t),gt.setGet(e,t,["device"]),Pv(e,t)}var Mv={newInstance:gt.newInstance(Nv),extend:Nv};class Rv extends Map{constructor(){super(),this.registry=new FinalizationRegistry((e=>{const t=super.get(e);t&&t.deref&&void 0===t.deref()&&super.delete(e)}))}getValue(e){const t=super.get(e);if(t){const n=t.deref();if(void 0!==n)return n;super.delete(e)}}setValue(e,t){let n;return t&&"object"==typeof t&&(n=new WeakRef(t),this.registry.register(t,e),super.set(e,n)),n}}function Fv(e,t){t.classHierarchy.push("vtkWebGPUDevice"),e.initialize=e=>{t.handle=e},e.createCommandEncoder=()=>t.handle.createCommandEncoder(),e.submitCommandEncoder=e=>{t.handle.queue.submit([e.finish()])},e.getShaderModule=e=>t.shaderCache.getShaderModule(e),e.getBindGroupLayout=e=>{if(!e.entries)return null;for(let t=0;t{for(let n=0;ne in t.pipelines?t.pipelines[e]:null,e.createPipeline=(n,r)=>{r.initialize(e,n),t.pipelines[n]=r},e.onSubmittedWorkDone=()=>t.handle.queue.onSubmittedWorkDone(),e.hasCachedObject=e=>t.objectCache.getValue(e),e.getCachedObject=function(e,n){if(!e)return vtkErrorMacro("attempt to cache an object without a hash"),null;const r=t.objectCache.getValue(e);if(r)return r;for(var o=arguments.length,i=new Array(o>2?o-2:0),a=2;a2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,kv,n),je(e,t),$e(e,t,["handle"]),He(e,t,["bufferManager","shaderCache","textureManager"]),t.objectCache=new Rv,t.shaderCache=Fl.newInstance(),t.shaderCache.setDevice(e),t.bindGroupLayouts=[],t.bufferManager=qu.newInstance(),t.bufferManager.setDevice(e),t.textureManager=Mv.newInstance(),t.textureManager.setDevice(e),t.pipelines={},Fv(e,t)}var Bv={newInstance:rt(Lv,"vtkWebGPUDevice"),extend:Lv};function Vv(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelectionPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=null,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getDevice();if(t.selectionRenderEncoder)t.colorTexture.resize(n.getCanvas().width,n.getCanvas().height),t.depthTexture.resizeToMatch(t.colorTexture);else{e.createRenderEncoder(),t.colorTexture=ev.newInstance({label:"hardwareSelectorColor"}),t.colorTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"rgba32uint",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const r=t.colorTexture.createView("hardwareSelectColorTexture");t.selectionRenderEncoder.setColorTextureView(0,r),t.depthTexture=ev.newInstance({label:"hardwareSelectorDepth"}),t.depthTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"depth32float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const i=t.depthTexture.createView("hardwareSelectDepthTexture");t.selectionRenderEncoder.setDepthTextureView(i)}t.selectionRenderEncoder.attachTextureViews(),r.setRenderEncoder(t.selectionRenderEncoder),e.setCurrentOperation("cameraPass"),r.traverse(e),e.setCurrentOperation("opaquePass"),r.traverse(e)},e.createRenderEncoder=()=>{t.selectionRenderEncoder=Ug.newInstance({label:"HardwareSelectionPass"}),t.selectionRenderEncoder.setPipelineHash("sel"),t.selectionRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(mapperUBO.PropID, compositeID, 0u, 0u);"]).result,t.setCode(n)})),t.selectionRenderEncoder.getDescription().colorAttachments[0].clearValue=[0,0,0,0],t.selectionRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba32uint",blend:void 0}]}})}}const Uv={selectionRenderEncoder:null,colorTexture:null,depthTexture:null};function Gv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Uv,n),Cm.extend(e,t,n),gt.get(e,t,["colorTexture","depthTexture"]),Vv(e,t)}var zv={newInstance:gt.newInstance(Gv,"vtkWebGPUHardwareSelectionPass"),extend:Gv};const{SelectionContent:jv,SelectionField:Wv}=Hm,{FieldAssociations:Hv}=di,{vtkErrorMacro:Xv}=gt;function Kv(e){return`${e.propID} ${e.compositeID}`}function qv(e,t,n,r){const o=4*((n.height-t-1)*n.colorBufferWidth+e)+r;return n.colorValues[o]}function $v(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]<0||t[0]>=e.width||t[1]<0||t[1]>=e.height)return null;const n=qv(t[0],t[1],e,0);if(n<=0)return null;const o={};o.propID=n;let i=qv(t[0],t[1],e,1);if((i<0||i>16777215)&&(i=0),o.compositeID=i,e.captureZValues){const n=(e.height-t[1]-1)*e.zbufferBufferWidth+t[0];o.zValue=e.depthValues[n],o.zValue=e.webGPURenderer.convertToOpenGLDepth(o.zValue),o.displayPosition=t}return o}const i=[t[0],t[1]],a=[0,0];let s=$v(e,t,0,r);if(s)return s;for(let t=1;tt?i[1]-t:0;n<=i[1]+t;++n){if(a[1]=n,i[0]>=t&&(a[0]=i[0]-t,s=$v(e,a,0,r),s))return s;if(a[0]=i[0]+t,s=$v(e,a,0,r),s)return s}for(let n=i[0]>=t?i[0]-(t-1):0;n<=i[0]+(t-1);++n){if(a[0]=n,i[1]>=t&&(a[1]=i[1]-t,s=$v(e,a,0,r),s))return s;if(a[1]=i[1]+t,s=$v(e,a,0,r),s)return s}}return r[0]=t[0],r[1]=t[1],null}function Yv(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelector"),e.endSelection=()=>{t.WebGPURenderer.setSelector(null)},e.getSourceDataAsync=async e=>{if(!e||!t._WebGPURenderWindow)return Xv("Renderer and view must be set before calling Select."),!1;t._WebGPURenderWindow.getRenderable().preRender(),t._WebGPURenderWindow.getInitialized()||(t._WebGPURenderWindow.initialize(),await new Promise((e=>{t._WebGPURenderWindow.onInitialized(e)})));const n=t._WebGPURenderWindow.getViewNodeFor(e);if(!n)return!1;const r=n.getSuppressClear();n.setSuppressClear(!0),t._selectionPass.traverse(t._WebGPURenderWindow,n),n.setSuppressClear(r);const o=t._WebGPURenderWindow.getDevice(),i=t._selectionPass.getColorTexture(),a=t._selectionPass.getDepthTexture(),s={area:[0,0,i.getWidth()-1,i.getHeight()-1],captureZValues:t.captureZValues,fieldAssociation:t.fieldAssociation,renderer:e,webGPURenderer:n,webGPURenderWindow:t._WebGPURenderWindow,width:i.getWidth(),height:i.getHeight()};s.colorBufferWidth=16*Math.floor((s.width+15)/16),s.colorBufferSizeInBytes=s.colorBufferWidth*s.height*4*4;const l=vu.newInstance({label:"hardwareSelectColorBuffer"});l.setDevice(o),l.create(s.colorBufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST);const u=t._WebGPURenderWindow.getCommandEncoder();let c;u.copyTextureToBuffer({texture:i.getHandle()},{buffer:l.getHandle(),bytesPerRow:16*s.colorBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1}),t.captureZValues&&(s.zbufferBufferWidth=64*Math.floor((s.width+63)/64),c=vu.newInstance({label:"hardwareSelectDepthBuffer"}),c.setDevice(o),s.zbufferSizeInBytes=s.height*s.zbufferBufferWidth*4,c.create(s.zbufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST),u.copyTextureToBuffer({texture:a.getHandle(),aspect:"depth-only"},{buffer:c.getHandle(),bytesPerRow:4*s.zbufferBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1})),o.submitCommandEncoder(u);const d=l.mapAsync(GPUMapMode.READ);if(t.captureZValues){const e=c.mapAsync(GPUMapMode.READ);await Promise.all([d,e]),s.depthValues=new Float32Array(c.getMappedRange().slice()),c.unmap()}else await d;return s.colorValues=new Uint32Array(l.getMappedRange().slice()),l.unmap(),s.generateSelection=(e,t,n,r)=>function(e,t,n,r,o){const i=Math.floor(t),a=Math.floor(n),s=Math.floor(r),l=Math.floor(o),u=new Map,c=[0,0];for(let t=a;t<=l;t++)for(let n=i;n<=s;n++){const r=$v(e,[n,t],0,c);if(r){const t=Kv(r);if(u.has(t)){const n=u.get(t);n.pixelCount++,e.captureZValues&&r.zValue{const a=Hm.newInstance();switch(a.setContentType(jv.INDICES),e){case Hv.FIELD_ASSOCIATION_CELLS:a.setFieldType(Wv.CELL);break;case Hv.FIELD_ASSOCIATION_POINTS:a.setFieldType(Wv.POINT);break;default:Xv("Unknown field association")}a.getProperties().propID=t.info.propID;const s=n.webGPURenderer.getPropFromID(t.info.propID);a.getProperties().prop=s.getRenderable(),a.getProperties().compositeID=t.info.compositeID,a.getProperties().pixelCount=t.pixelCount,n.captureZValues&&(a.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],a.getProperties().worldPosition=n.webGPURenderWindow.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,n.renderer)),a.setSelectionList(t.attributeIDs),r[o]=a,o++})),r}(e.fieldAssociation,u,e)}(s,e,t,n,r),s}}const Jv={};function Qv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Jv,n),Gm.extend(e,t,n),t._selectionPass=zv.newInstance(),gt.setGet(e,t,["_WebGPURenderWindow"]),gt.moveToProtected(e,t,["WebGPURenderWindow"]),Yv(e,t)}var Zv={newInstance:gt.newInstance(Qv,"vtkWebGPUHardwareSelector"),extend:Qv};const{vtkErrorMacro:ey}=gt,ty={position:"absolute",top:0,left:0,width:"100%",height:"100%"};function ny(e,t){t.classHierarchy.push("vtkWebGPURenderWindow"),e.getViewNodeFactory=()=>t.myFactory;const n=[0,0];e.onModified((function(){t.renderable&&(t.size[0]===n[0]&&t.size[1]===n[1]||(n[0]=t.size[0],n[1]=t.size[1],t.canvas.setAttribute("width",t.size[0]),t.canvas.setAttribute("height",t.size[1]),e.recreateSwapChain())),t.viewStream&&t.viewStream.setSize(t.size[0],t.size[1]),t.canvas.style.display=t.useOffScreen?"none":"block",t.el&&(t.el.style.cursor=t.cursorVisibility?t.cursor:"none"),t.containerSize=null})),e.recreateSwapChain=()=>{t.context&&(t.context.unconfigure(),t.presentationFormat=navigator.gpu.getPreferredCanvasFormat(t.adapter),t.context.configure({device:t.device.getHandle(),format:t.presentationFormat,alphaMode:"premultiplied",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_DST,width:t.size[0],height:t.size[1]}),t._configured=!0)},e.getCurrentTexture=()=>t.context.getCurrentTexture(),e.buildPass=n=>{if(n){if(!t.renderable)return;e.prepareNodes(),e.addMissingNodes(t.renderable.getRenderersByReference()),e.removeUnusedNodes(),e.initialize()}else t.initialized&&(t._configured||e.recreateSwapChain(),t.commandEncoder=t.device.createCommandEncoder())},e.initialize=()=>{if(!t.initializing){if(t.initializing=!0,!navigator.gpu)return void ey("WebGPU is not enabled.");e.create3DContextAsync().then((()=>{t.initialized=!0,t.deleted||e.invokeInitialized()}))}},e.setContainer=n=>{t.el&&t.el!==n&&(t.canvas.parentNode!==t.el&&ey("Error: canvas parent node does not match container"),t.el.removeChild(t.canvas),t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)),t.el!==n&&(t.el=n,t.el&&(t.el.appendChild(t.canvas),t.useBackgroundImage&&t.el.appendChild(t.bgImage)),e.modified())},e.getContainer=()=>t.el,e.getContainerSize=()=>{if(!t.containerSize&&t.el){const{width:e,height:n}=t.el.getBoundingClientRect();t.containerSize=[e,n]}return t.containerSize||t.size},e.getFramebufferSize=()=>t.size,e.create3DContextAsync=async()=>{t.adapter=await navigator.gpu.requestAdapter({powerPreference:"high-performance"}),t.deleted||(t.device=Bv.newInstance(),t.device.initialize(await t.adapter.requestDevice()),t.deleted?t.device=null:t.context=t.canvas.getContext("webgpu"))},e.releaseGraphicsResources=()=>{const n=Cm.newInstance();n.setCurrentOperation("Release"),n.traverse(e,null),t.adapter=null,t.device=null,t.context=null,t.initialized=!1,t.initializing=!1},e.setBackgroundImage=e=>{t.bgImage.src=e.src},e.setUseBackgroundImage=e=>{t.useBackgroundImage=e,t.useBackgroundImage&&!t.el.contains(t.bgImage)?t.el.appendChild(t.bgImage):!t.useBackgroundImage&&t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)},e.captureNextImage=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"image/png",{resetCamera:r=!1,size:o=null,scale:i=1}=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(t.deleted)return null;t.imageFormat=n;const a=t.notifyStartCaptureImage;return t.notifyStartCaptureImage=!0,t._screenshot={size:o||1!==i?o||t.size.map((e=>e*i)):null},new Promise(((n,o)=>{const i=e.onImageReady((o=>{if(null===t._screenshot.size)t.notifyStartCaptureImage=a,i.unsubscribe(),t._screenshot.placeHolder&&(t.size=t._screenshot.originalSize,e.modified(),t._screenshot.cameras&&t._screenshot.cameras.forEach((e=>{let{restoreParamsFn:t,arg:n}=e;return t(n)})),e.traverseAllPasses(),t.el.removeChild(t._screenshot.placeHolder),t._screenshot.placeHolder.remove(),t._screenshot=null),n(o);else{const n=document.createElement("img");if(n.style=ty,n.src=o,t._screenshot.placeHolder=t.el.appendChild(n),t.canvas.style.display="none",t._screenshot.originalSize=t.size,t.size=t._screenshot.size,t._screenshot.size=null,e.modified(),r){const e=!0!==r;t._screenshot.cameras=t.renderable.getRenderers().map((t=>{const n=t.getActiveCamera(),o=n.get("focalPoint","position","parallelScale");return{resetCameraArgs:e?{renderer:t}:void 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iy=bh(),ay={margin:"0",padding:"0",position:"absolute",top:"0",left:"0",width:"100%",height:"100%",overflow:"hidden"},sy={position:"absolute",left:"25px",top:"25px",backgroundColor:"white",borderRadius:"5px",listStyle:"none",padding:"5px 10px",margin:"0",display:"block",border:"solid 1px black",maxWidth:"calc(100% - 70px)",maxHeight:"calc(100% - 60px)",overflow:"auto"};function ly(e,t){Object.keys(t).forEach((n=>{e.style[n]=t[n]}))}function uy(e,t){t.classHierarchy.push("vtkFullScreenRenderWindow");const n=document.querySelector("body");t.rootContainer||(t.rootContainer=n),t.container||(t.container=document.createElement("div"),ly(t.container,t.containerStyle||ay),t.rootContainer.appendChild(t.container)),t.rootContainer===n&&(document.documentElement.style.height="100%",n.style.height="100%",n.style.padding="0",n.style.margin="0"),t.renderWindow=Rf.newInstance(),t.renderer=Ef.newInstance(),t.renderWindow.addRenderer(t.renderer),t.apiSpecificRenderWindow=t.renderWindow.newAPISpecificView(iy.viewAPI??t.defaultViewAPI),t.apiSpecificRenderWindow.setContainer(t.container),t.renderWindow.addView(t.apiSpecificRenderWindow),t.interactor=Qf.newInstance(),t.interactor.setInteractorStyle(gh.newInstance()),t.interactor.setView(t.apiSpecificRenderWindow),t.interactor.initialize(),t.interactor.bindEvents(t.container),e.setBackground=t.renderer.setBackground,e.removeController=()=>{const 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Cy.MIRROR:a=Ry(a,r[0],r[1]),s=Ry(s,r[2],r[3]),l=Ry(l,r[4],r[5]);break;default:a=Ny(a,r[0],r[1]),s=Ny(s,r[2],r[3]),l=Ny(l,r[4],r[5])}const u=a*o[0]+s*o[1]+l*o[2];for(let t=0;t{const r=e.extent,o=e.increments,i=e.numberOfComponents,a=Py(t[0]),s=Py(t[1]),l=Py(t[2]);let u=a.floored,c=s.floored,d=l.floored;const p=a.error,f=s.error,h=l.error;let m=u+(0!==p),g=c+(0!==f),v=d+(0!==h);switch(e.borderMode){case Cy.REPEAT:u=My(u,r[0],r[1]),c=My(c,r[2],r[3]),d=My(d,r[4],r[5]),m=My(m,r[0],r[1]),g=My(g,r[2],r[3]),v=My(v,r[4],r[5]);break;case Cy.MIRROR:u=Ry(u,r[0],r[1]),c=Ry(c,r[2],r[3]),d=Ry(d,r[4],r[5]),m=Ry(m,r[0],r[1]),g=Ry(g,r[2],r[3]),v=Ry(v,r[4],r[5]);break;default:u=Ny(u,r[0],r[1]),c=Ny(c,r[2],r[3]),d=Ny(d,r[4],r[5]),m=Ny(m,r[0],r[1]),g=Ny(g,r[2],r[3]),v=Ny(v,r[4],r[5])}const y=u*o[0],b=m*o[0],x=c*o[1],_=g*o[1],T=d*o[2],S=v*o[2],w=x+T,C=x+S,A=_+T,E=_+S,D=1-p,I=1-f,P=1-h,O=I*P,N=f*P,M=I*h,R=f*h,F=e.pointer;for(let e=0;e{switch(t.interpolationMode){case Ay.LINEAR:e.interpolateLinear(n,r,o);break;case Ay.CUBIC:console.log("CUBIC not implemented");break;default:e.interpolateNearest(n,r,o)}},e.interpolateRowNearest=(e,t,n,r,o,i)=>{const a=e.positions[0].subarray(t),s=e.positions[1].subarray(n),l=e.positions[2].subarray(r),u=e.pointer.subarray(s[0]+l[0]),c=e.numberOfComponents;for(let e=0;e{const a=e.kernelSize[0],s=e.kernelSize[1],l=e.kernelSize[2],u=t*a,c=n*s,d=r*l,p=e.weights[0].subarray(u),f=e.weights[1].subarray(c),h=e.weights[2].subarray(d),m=e.positions[0].subarray(u),g=e.positions[1].subarray(c),v=e.positions[2].subarray(d),y=e.pointer,b=e.numberOfComponents,x=g.subarray(v[0]);let _=x,T=x,S=x,w=1,C=0,A=1,E=0;2===s&&(T=g[1].subarray(v[0]),S=T,w=f[0],C=f[1]),2===l&&(_=g[0].subarray(v[1]),S=_,A=h[0],E=h[1]),s+l===4&&(S=g[1].subarray(v[1]));const D=w*A,I=w*E,P=C*A,O=C*E;if(1===a)if(0===C&&0===E)for(let e=i;e>0;--e)for(let t=0;t0;--e)for(let t=0;t0;--e)for(let t=0;t0;--t){const n=p[0+2*e],r=p[1+2*e],a=m[0+2*e],s=m[1+2*e];for(let e=0;e0;--t){const t=p[0+2*e],n=p[1+2*e],r=m[0+2*e],i=m[1+2*e];for(let e=0;e{switch(t.interpolationMode){case Ay.LINEAR:e.interpolateRowLinear(n,r,o,i,a,s);break;case Ay.CUBIC:console.log("CUBIC not implemented");break;default:e.interpolateRowNearest(n,r,o,i,a,s)}},e.vtkTricubicInterpWeights=e=>{const t=e-1,n=.5*e,r=3*e;return[-n*t*t,((r-2)*n-1)*t,-((r-4)*e-1)*n,e*n*t]},e.precomputeWeightsForExtent=(n,r,o)=>{const i={...Iy.newInstance(),...t.interpolationInfo};i.weightType="Float32Array";const a=i.interpolationMode;let s=!0;for(let l=0;l<3;++l){let u;for(u=0;u<3&&0===n[4*l+u];++u);o[2*l]=r[2*l],o[2*l+1]=r[2*l+1];const c=i.extent[2*u],d=i.extent[2*u+1],p=t.structuredBounds[2*u],f=t.structuredBounds[2*u+1];let h=1;h=a1)if(a===Ay.LINEAR)v[h*t+1-y]=_[1]*S,b[h*t-y]=1-g,b[h*t+1-y]=g;else if(a===Ay.CUBIC){const n=e.vtkTricubicInterpWeights(g);if(4===h)for(let e=0;e<4;e++)v[h*t+e-y]=_[e]*S,b[h*t+e-y]=n[e];else{const e=[0,0,0,0];for(let t=0;t<4;t++)e[_[t]-c]+=n[t];for(let n=0;n=p&&r<=f?0===x&&(x=1,o[2*l]=t):1===x&&(x=2,o[2*l+1]=t-1)}(0===x||o[2*l]>o[2*l+1])&&(s=!1)}if(!s)for(let e=0;e<3;e++)o[2*e]=r[2*e],o[2*e+1]=r[2*e]-1}}const Gy={interpolationMode:Ay.NEAREST};function zy(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Gy,n),Vy.extend(e,t,n),gt.setGet(e,t,["interpolationMode"]),Uy(e,t)}var jy={newInstance:gt.newInstance(zy,"vtkImageInterpolator"),extend:zy};function Wy(e,t){t.classHierarchy.push("vtkImagePointDataIterator"),e.initialize=(e,n,r,o)=>{const i=e.getExtent();let a=n;null==a&&(a=i);let s,l,u,c=!1;for(let e=0;e<6;e+=2)t.extent[e]=Math.max(a[e],i[e]),t.extent[e+1]=Math.min(a[e+1],i[e+1]),t.extent[e]>t.extent[e+1]&&(c=!0);if(t.rowIncrement=i[1]-i[0]+1,t.sliceIncrement=t.rowIncrement*(i[3]-i[2]+1),c){s=0,l=0,u=0,t.id=0,t.rowEndIncrement=0,t.sliceEndIncrement=0;for(let e=0;e<6;e+=2)t.extent[e]=i[e],t.extent[e+1]=i[e]-1}else s=t.extent[1]-t.extent[0]+1,l=t.extent[3]-t.extent[2]+1,u=t.extent[5]-t.extent[4]+1,t.id=t.extent[0]-i[0]+(t.extent[2]-i[2])*t.rowIncrement+(t.extent[4]-i[4])*t.sliceIncrement,t.rowEndIncrement=t.rowIncrement-s,t.sliceEndIncrement=t.rowEndIncrement+t.sliceIncrement-t.rowIncrement*l;if(t.spanEnd=t.id+s,t.rowEnd=t.id+s,t.sliceEnd=t.id+(t.rowIncrement*l-t.rowEndIncrement),t.end=t.id+(t.sliceIncrement*u-t.sliceEndIncrement),t.index[0]=t.extent[0],t.index[1]=t.extent[2],t.index[2]=t.extent[4],t.startY=t.index[1],r){t.hasStencil=!0,t.inStencil=!1,t.spanIndex=0;const e=r.getExtent();if(t.spanSliceIncrement=0,t.spanSliceEndIncrement=0,e[3]>=e[2]&&e[5]>=e[4]){t.spanSliceIncrement=e[3]-e[2]+1;const n=t.extent[2]-e[2];n>=0&&(t.spanSliceEndIncrement+=n);const r=e[3]-t.extent[3];r>=0&&(t.spanSliceEndIncrement+=r)}let n=0;const o=t.extent[2]-e[2];o<0?(t.extent[2]=e[2],n-=1):n+=o,e[3]<=t.extent[3]&&(t.extent[3]=e[3]);const i=t.extent[4]-e[4];i<0?(t.extent[4]=e[4],o>=0&&(n-=1+t.spanSliceEndIncrement)):n+=i*t.spanSliceIncrement,e[5]<=t.extent[5]&&(t.extent[5]=e[5]),t.extent[2]<=t.extent[3]&&t.extent[4]<=t.extent[5]?(t.spanCountPointer=r.extentListLengths.subarray(n),t.spanListPointer=r.extentLists.subarray(n),o>=0&&i>=0&&(t.inStencil=!0,t.setSpanState(t.extent[0]))):(t.spanCountPointer=null,t.spanListPointer=null,t.inStencil=!1)}else t.hasStencil=!1,t.inStencil=!0,t.spanSliceEndIncrement=0,t.spanSliceIncrement=0,t.spanIndex=0,t.spanCountPointer=null,t.spanListPointer=null;if(o){t.algorithm=o;const e=l*u;t.target=e/50+1,t.count=50*t.target-e/t.target*t.target+1}else t.algorithm=null,t.target=0,t.count=0},e.setSpanState=e=>{let n=!1;const r=t.spanListPointer,o=t.spanCountPointer[0];let i;for(i=0;ie);++i)n=!n;t.spanIndex=i,t.inStencil=n;let a=t.extent[1]+1;i{if(t.spanEnd===t.rowEnd){let n=1;if(t.spanEnd!==t.sliceEnd)t.id=t.rowEnd+t.rowEndIncrement,t.rowEnd+=t.rowIncrement,t.spanEnd=t.rowEnd,t.index[1]++;else{if(t.spanEnd===t.end)return void(t.id=t.end);t.id=t.sliceEnd+t.sliceEndIncrement,t.sliceEnd+=t.sliceIncrement,t.rowEnd=t.id+(t.rowIncrement-t.rowEndIncrement),t.spanEnd=t.rowEnd,t.index[1]=t.startY,t.index[2]++,n+=t.spanSliceEndIncrement}t.index[0]=t.extent[0],t.hasStencil&&(t.index[1]>=t.extent[2]&&t.index[1]<=t.extent[3]&&t.index[2]>=t.extent[4]&&t.index[2]<=t.extent[5]?(t.spanCountPointer=t.spanCountPointer.subarray(n),t.spanListPointer=t.spanListPointer.subarray(n),e.setSpanState(t.extent[0])):t.inStencil=!1),t.algorithm&&e.reportProgress()}else{t.id=t.spanEnd;const e=t.spanCountPointer[0];let n=t.extent[1]+1;if(t.index[0]=n,t.spanIndext.id===t.end,e.isInStencil=()=>t.inStencil,e.spanEndId=()=>t.spanEnd,e.reportProgress=()=>{},e.getArray=(e,t)=>e.getData().subarray(t*e.getNumberOfComponents()),e.getScalars=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;return e.getArray(t.getPointData().getScalars(),n)}}const Hy={spanState:0,extent:[0,-1,0,-1,0,-1],end:0,spanEnd:0,rowEnd:0,sliceEnd:0,rowIncrement:0,rowEndIncrement:0,sliceIncrement:0,sliceEndIncrement:0,id:0,index:[0,0,0],startY:0,hasStencil:!1,inStencil:!0,spanIndex:0,spanSliceIncrement:0,spanSliceEndIncrement:0,spanCountPointer:null,spanListPointer:null,algorithm:null,target:0,count:0};function Xy(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Hy,n),gt.obj(e,t),gt.get(e,t,["id","index"]),Wy(e,t)}var Ky={newInstance:gt.newInstance(Xy,"vtkImagePointDataIterator"),extend:Xy},qy={SlabMode:{MIN:0,MAX:1,MEAN:2,SUM:3}};const{SlabMode:$y}=qy,{vtkErrorMacro:Yy}=gt;function Jy(e,t){t.classHierarchy.push("vtkImageReslice");const n={...e},r=f(new Float64Array(16));let o=null;function i(e,t,n,r){const o=n-1;for(let n=0;n{let e=n.getMTime();return t.resliceTransform&&(e=Math.max(e,t.resliceTransform.getMTime())),e},e.setResliceAxes=n=>(t.resliceAxes||(t.resliceAxes=f(new Float64Array(16))),te(t.resliceAxes,n)?null:(c(t.resliceAxes,n),e.modified(),!0)),e.requestData=(n,i)=>{const a=n[0];if(!a)return void Yy("Invalid or missing input");const s=a.getOrigin(),l=a.getSpacing(),u=a.getDimensions(),c=a.getPointData().getScalars(),d=[0,u[0]-1,0,u[1]-1,0,u[2]-1],p=[0,0,0],h=[1,1,1],g=[0,0,0,0,0,0],v=[0,0,0],b=f(new Float64Array(16));t.resliceAxes&&y(b,b,t.resliceAxes);const x=new Float64Array(16);m(x,b);const _=[s[0]+.5*(d[0]+d[1])*l[0],s[1]+.5*(d[2]+d[3])*l[1],s[2]+.5*(d[4]+d[5])*l[2]];let T=null;t.autoCropOutput&&(T=e.getAutoCroppedOutputBounds(a));for(let e=0;e<3;e++){let n=0,r=0,o=0,i=0;if(t.transformInputSampling){let t=0;for(let a=0;a<3;a++){i+=x[4*a+e]*(_[a]-b[12+a]);const s=b[4*e+a]*b[4*e+a];n+=s*Math.abs(l[a]),r+=s*(d[2*a+1]-d[2*a])*Math.abs(l[a]),o+=s*d[2*a],t+=s}n/=t,r/=t*Math.sqrt(t),o/=t}else i=_[e],n=l[e],r=(d[2*e+1]-d[2*e])*n,o=d[2*e];null==t.outputSpacing?h[e]=n:h[e]=t.outputSpacing[e],e>=t.outputDimensionality?(g[2*e]=0,g[2*e+1]=0):null==t.outputExtent?(t.autoCropOutput&&(r=T[2*e+1]-T[2*e]),g[2*e]=Math.round(o),g[2*e+1]=Math.round(g[2*e]+Math.abs(r/h[e]))):(g[2*e]=t.outputExtent[2*e],g[2*e+1]=t.outputExtent[2*e+1]),e>=t.outputDimensionality?p[e]=0:null==t.outputOrigin?t.autoCropOutput?p[e]=T[2*e]-g[2*e]*h[e]:p[e]=i-.5*(g[2*e]+g[2*e+1])*h[e]:p[e]=t.outputOrigin[e],v[e]=g[2*e+1]-g[2*e]+1}let S=c.getDataType();t.outputScalarType&&(S=t.outputScalarType);const w=a.getPointData().getScalars().getNumberOfComponents(),C=gt.newTypedArray(S,v[0]*v[1]*v[2]*w),A=Wr.newInstance({name:"Scalars",values:C,numberOfComponents:w}),E=qh.newInstance();E.setDimensions(v),E.setOrigin(p),E.setSpacing(h),t.outputDirection&&E.setDirection(t.outputDirection),E.getPointData().setScalars(A),e.getIndexMatrix(a,E);let D=t.interpolationMode;t.usePermuteExecute=!1,t.optimization&&null==o&&1===t.slabSliceSpacingFraction&&t.interpolator.isSeparable()&&e.isPermutationMatrix(r)&&(t.usePermuteExecute=!0,e.canUseNearestNeighbor(r,g)&&(D=Ay.NEAREST)),t.interpolator.setInterpolationMode(D);let I=Cy.CLAMP;I=t.wrap?Cy.REPEAT:I,I=t.mirror?Cy.MIRROR:I,t.interpolator.setBorderMode(I);const P=762939453125e-17;let O=.5*t.border;O=I===Cy.CLAMP?O:4294967294,O=O>P?O:P,t.interpolator.setTolerance(O),t.interpolator.initialize(a),e.vtkImageResliceExecute(a,E),t.interpolator.releaseData(),i[0]=E},e.vtkImageResliceExecute=(n,i)=>{const a=n.getPointData().getScalars(),s=i.getPointData().getScalars();let l=s.getData();const u=i.getExtent(),c=r,d=Math.max(t.slabNumberOfSlices,1),p=t.slabSliceSpacingFraction,f=e.isPerspectiveMatrix(c);let h=a.getData();const m=a.getDataType(),g=a.getNumberOfComponents(),v=t.interpolator.getComponentOffset(),y=t.interpolator.getBorderMode(),b=n.getDimensions(),x=[0,b[0]-1,0,b[1]-1,0,b[2]-1],_=[0,0,0];_[0]=a.getNumberOfComponents(),_[1]=_[0]*b[0],_[2]=_[1]*b[1];const T=b[0]*b[1]*b[2];v>0&&v+g<_[0]&&(h=h.subarray(1*v));let S=Ay.NEAREST;t.interpolator.isA("vtkImageInterpolator")&&(S=t.interpolator.getInterpolationMode());const w=0!==t.scalarShift||1!==t.scalarScale,C=S===Ay.NEAREST&&y===Cy.CLAMP&&!(null!=o||f||w)&&m===s.getDataType()&&T===a.getNumberOfTuples()&&!0===t.border&&d<=1,A=s.getDataType(),E=s.getNumberOfComponents(),D=[0,0,0,0],I=[0,0,0,0],P=[0,0,0,0],O=[0,0,0,0];for(let e=0;e<4;++e)D[e]=c[0+e],I[e]=c[4+e],P[e]=c[8+e],O[e]=c[12+e];let N=null;C||(N=new Float64Array(g*(u[1]-u[0]+d)));const M=gt.newTypedArray(m,t.backgroundColor),R=S>Ay.LINEAR||d>1&&t.slabMode===$y.SUM,F=e.getConversionFunc(m,A,t.scalarShift,t.scalarScale,R),k=e.getSetPixelsFunc(A,1,E,l),L=e.getCompositeFunc(t.slabMode,t.slabTrapezoidIntegration);let B=u[2]-1,V=u[4]-1;const U=[0,0,0,0],G=[0,0,0,0],z=Ky.newInstance();z.initialize(i,u,t.stencil,null);const j=z.getScalars(i,0);let W=0;const H=gt.newTypedArray(A,bf.getDiagonalLength(u)*E*2),X=new Float64Array(g*d),K=new Float64Array(g);for(;!z.isAtEnd();z.nextSpan()){const n=z.spanEndId()-z.getId();if(W=1*z.getId()*E,z.isInStencil()){const r=z.getIndex();r[2]>V&&(V=r[2],U[0]=O[0]+V*P[0],U[1]=O[1]+V*P[1],U[2]=O[2]+V*P[2],U[3]=O[3]+V*P[3],B=u[2]-1),r[1]>B&&(B=r[1],G[0]=U[0]+B*I[0],G[1]=U[1]+B*I[1],G[2]=U[2]+B*I[2],G[3]=U[3]+B*I[3]);const i=r[0],a=i+n-1;if(C){const e=h,t=l,n=1*_[0],r=1*_[1],o=1*_[2],s=x[1]-x[0]+1,u=x[3]-x[2]+1,c=x[5]-x[4]+1;let d=i,p=i-1,f=!1;const m=1*g;for(let t=i;t<=a;t++){const a=[G[0]+t*D[0],G[1]+t*D[1],G[2]+t*D[2]],l=Oy(a[0])-x[0],h=Oy(a[1])-x[2],g=Oy(a[2])-x[4];if(l>=0&&l=0&&h=0&&g1){let e=n-.5*(d-1);e*=p,s[0]=a[0]+e*P[0],s[1]=a[1]+e*P[1],s[2]=a[2]+e*P[2],s[3]=a[3]+e*P[3],h=s}if(f){const e=1/h[3];h[0]*=e,h[1]*=e,h[2]*=e}if(null!==o){const n=t.interpolator.getOrigin(),r=t.interpolator.getSpacing(),i=[1/r[0],1/r[1],1/r[2]];e.applyTransform(o,h,n,i)}if(t.interpolator.checkBoundsIJK(h)){r=1,t.interpolator.interpolateIJK(h,K);for(let e=0;eg&&L(X,g,m/g);for(let e=0;ei?n:r}const h=l-1-(r!==n)-s+1;let m=0;n?(w&&e.rescaleScalars(N,g,a-i+1,t.scalarShift,t.scalarScale),m=F(H,N.subarray(s*g),E,h)):m=k(H,M,E,h);for(let e=0;e{const i=f(new Float64Array(16));return o=null,t.resliceAxes&&c(i,t.resliceAxes),t.resliceTransform&&(t.resliceTransform.isA("vtkHomogeneousTransform")?y(i,t.resliceTransform.getMatrix(),i):Ae("Non homogeneous transform have not yet been 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Qy={transformInputSampling:!0,autoCropOutput:!1,outputDimensionality:3,outputSpacing:null,outputOrigin:null,outputDirection:null,outputExtent:null,outputScalarType:null,wrap:!1,mirror:!1,border:!0,interpolationMode:Ay.NEAREST,slabMode:$y.MIN,slabTrapezoidIntegration:!1,slabNumberOfSlices:1,slabSliceSpacingFraction:1,optimization:!1,scalarShift:0,scalarScale:1,backgroundColor:[0,0,0,0],resliceAxes:null,interpolator:jy.newInstance(),usePermuteExecute:!1};function Zy(e,t){let n=arguments.length>2&&void 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r=0;r<4;r++)1===t.componentData[r].colorChannels?t.componentData[r].grayTransferFunction&&(e=t.componentData[r].grayTransferFunction.getMTime(),n=n>e?n:e):3===t.componentData[r].colorChannels&&t.componentData[r].rGBTransferFunction&&(e=t.componentData[r].rGBTransferFunction.getMTime(),n=n>e?n:e),t.componentData[r].scalarOpacity&&(e=t.componentData[r].scalarOpacity.getMTime(),n=n>e?n:e),t.componentData[r].gradientOpacity&&(t.componentData[r].disableGradientOpacity||(e=t.componentData[r].gradientOpacity.getMTime(),n=n>e?n:e));return n},e.getColorChannels=e=>e<0||e>3?(lb("Bad index - must be between 0 and 3"),0):t.componentData[e].colorChannels,e.setGrayTransferFunction=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,o=!1;return t.componentData[n].grayTransferFunction!==r&&(t.componentData[n].grayTransferFunction=r,o=!0),1!==t.componentData[n].colorChannels&&(t.componentData[n].colorChannels=1,o=!0),o&&e.modified(),o},e.getGrayTransferFunction=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return null===t.componentData[n].grayTransferFunction&&(t.componentData[n].grayTransferFunction=ib.newInstance(),t.componentData[n].grayTransferFunction.addPoint(0,0),t.componentData[n].grayTransferFunction.addPoint(1024,1),1!==t.componentData[n].colorChannels&&(t.componentData[n].colorChannels=1),e.modified()),t.componentData[n].grayTransferFunction},e.setRGBTransferFunction=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,o=!1;return t.componentData[n].rGBTransferFunction!==r&&(t.componentData[n].rGBTransferFunction=r,o=!0),3!==t.componentData[n].colorChannels&&(t.componentData[n].colorChannels=3,o=!0),o&&e.modified(),o},e.getRGBTransferFunction=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return null===t.componentData[n].rGBTransferFunction&&(t.componentData[n].rGBTransferFunction=Tp.newInstance(),t.componentData[n].rGBTransferFunction.addRGBPoint(0,0,0,0),t.componentData[n].rGBTransferFunction.addRGBPoint(1024,1,1,1),3!==t.componentData[n].colorChannels&&(t.componentData[n].colorChannels=3),e.modified()),t.componentData[n].rGBTransferFunction},e.setScalarOpacity=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;return t.componentData[n].scalarOpacity!==r&&(t.componentData[n].scalarOpacity=r,e.modified(),!0)},e.getScalarOpacity=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return null===t.componentData[n].scalarOpacity&&(t.componentData[n].scalarOpacity=ib.newInstance(),t.componentData[n].scalarOpacity.addPoint(0,1),t.componentData[n].scalarOpacity.addPoint(1024,1),e.modified()),t.componentData[n].scalarOpacity},e.setComponentWeight=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;if(n<0||n>=4)return lb("Invalid index"),!1;const o=Math.min(1,Math.max(0,r));return t.componentData[n].componentWeight!==o&&(t.componentData[n].componentWeight=o,e.modified(),!0)},e.getComponentWeight=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return e<0||e>=4?(lb("Invalid 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cb={independentComponents:!0,interpolationType:ab.FAST_LINEAR,shade:!1,ambient:.1,diffuse:.7,specular:.2,specularPower:10,useLabelOutline:!1,labelOutlineThickness:[1],labelOutlineOpacity:1};function db(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};if(Object.assign(t,cb,n),gt.obj(e,t),!t.componentData){t.componentData=[];for(let e=0;e<4;++e)t.componentData.push({colorChannels:1,grayTransferFunction:null,rGBTransferFunction:null,scalarOpacity:null,scalarOpacityUnitDistance:1,opacityMode:sb.FRACTIONAL,gradientOpacityMinimumValue:0,gradientOpacityMinimumOpacity:0,gradientOpacityMaximumValue:1,gradientOpacityMaximumOpacity:1,useGradientOpacity:!1,componentWeight:1})}gt.setGet(e,t,["independentComponents","interpolationType","shade","ambient","diffuse","specular","specularPower","useLabelOutline","labelOutlineOpacity"]),gt.setGetArray(e,t,["labelOutlineThickness"]),ub(e,t)}var pb={newInstance:gt.newInstance(db,"vtkVolumeProperty"),extend:db,...nl};const{vtkDebugMacro:fb}=gt;function hb(e,t){t.classHierarchy.push("vtkVolume"),e.getVolumes=()=>e,e.makeProperty=pb.newInstance,e.getProperty=()=>(null===t.property&&(t.property=e.makeProperty()),t.property),e.getBounds=()=>{if(null===t.mapper)return t.bounds;const n=t.mapper.getBounds();if(!n||6!==n.length)return n;if(n[0]>n[1])return t.mapperBounds=n.concat(),t.bounds=[1,-1,1,-1,1,-1],t.boundsMTime.modified(),n;if(!t.mapperBounds||!(r=[n,t.mapperBounds],r[0].map(((e,t)=>r.map((e=>e[t]))))).reduce(((e,t)=>e&&t[0]===t[1]),!0)||e.getMTime()>t.boundsMTime.getMTime()){fb("Recomputing bounds..."),t.mapperBounds=n.map((e=>e));const r=[];bf.getCorners(n,r),e.computeMatrix();const o=new Float64Array(16);h(o,t.matrix),r.forEach((e=>Yt(e,e,o))),t.bounds[0]=t.bounds[2]=t.bounds[4]=Number.MAX_VALUE,t.bounds[1]=t.bounds[3]=t.bounds[5]=-Number.MAX_VALUE,t.bounds=t.bounds.map(((e,t)=>t%2==0?r.reduce(((e,n)=>e>n[t/2]?n[t/2]:e),e):r.reduce(((e,n)=>e{let e=t.mtime;if(null!==t.property){const n=t.property.getMTime();e=n>e?n:e}return e},e.getRedrawMTime=()=>{let e=t.mtime;if(null!==t.mapper){let n=t.mapper.getMTime();e=n>e?n:e,null!==t.mapper.getInput()&&(t.mapper.getInputAlgorithm().update(),n=t.mapper.getInput().getMTime(),e=n>e?n:e)}return e}}const mb={mapper:null,property:null,bounds:[1,-1,1,-1,1,-1]};function gb(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,mb,n),Ph.extend(e,t,n),t.boundsMTime={},gt.obj(t.boundsMTime),gt.set(e,t,["property"]),gt.setGet(e,t,["mapper"]),gt.getArray(e,t,["bounds"],6),hb(e,t)}var 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r=n(2);t.ArrayExpression=function(e){this.type=r.Syntax.ArrayExpression,this.elements=e};t.ArrayPattern=function(e){this.type=r.Syntax.ArrayPattern,this.elements=e};t.ArrowFunctionExpression=function(e,t,n){this.type=r.Syntax.ArrowFunctionExpression,this.id=null,this.params=e,this.body=t,this.generator=!1,this.expression=n,this.async=!1};t.AssignmentExpression=function(e,t,n){this.type=r.Syntax.AssignmentExpression,this.operator=e,this.left=t,this.right=n};t.AssignmentPattern=function(e,t){this.type=r.Syntax.AssignmentPattern,this.left=e,this.right=t};t.AsyncArrowFunctionExpression=function(e,t,n){this.type=r.Syntax.ArrowFunctionExpression,this.id=null,this.params=e,this.body=t,this.generator=!1,this.expression=n,this.async=!0};t.AsyncFunctionDeclaration=function(e,t,n){this.type=r.Syntax.FunctionDeclaration,this.id=e,this.params=t,this.body=n,this.generator=!1,this.expression=!1,this.async=!0};t.AsyncFunctionExpression=function(e,t,n){this.type=r.Syntax.FunctionExpression,this.id=e,this.params=t,this.body=n,this.generator=!1,this.expression=!1,this.async=!0};t.AwaitExpression=function(e){this.type=r.Syntax.AwaitExpression,this.argument=e};t.BinaryExpression=function(e,t,n){var o="||"===e||"&&"===e;this.type=o?r.Syntax.LogicalExpression:r.Syntax.BinaryExpression,this.operator=e,this.left=t,this.right=n};t.BlockStatement=function(e){this.type=r.Syntax.BlockStatement,this.body=e};t.BreakStatement=function(e){this.type=r.Syntax.BreakStatement,this.label=e};t.CallExpression=function(e,t){this.type=r.Syntax.CallExpression,this.callee=e,this.arguments=t};t.CatchClause=function(e,t){this.type=r.Syntax.CatchClause,this.param=e,this.body=t};t.ClassBody=function(e){this.type=r.Syntax.ClassBody,this.body=e};t.ClassDeclaration=function(e,t,n){this.type=r.Syntax.ClassDeclaration,this.id=e,this.superClass=t,this.body=n};t.ClassExpression=function(e,t,n){this.type=r.Syntax.ClassExpression,this.id=e,this.superClass=t,this.body=n};t.ComputedMemberExpression=function(e,t){this.type=r.Syntax.MemberExpression,this.computed=!0,this.object=e,this.property=t};t.ConditionalExpression=function(e,t,n){this.type=r.Syntax.ConditionalExpression,this.test=e,this.consequent=t,this.alternate=n};t.ContinueStatement=function(e){this.type=r.Syntax.ContinueStatement,this.label=e};t.DebuggerStatement=function(){this.type=r.Syntax.DebuggerStatement};t.Directive=function(e,t){this.type=r.Syntax.ExpressionStatement,this.expression=e,this.directive=t};t.DoWhileStatement=function(e,t){this.type=r.Syntax.DoWhileStatement,this.body=e,this.test=t};t.EmptyStatement=function(){this.type=r.Syntax.EmptyStatement};t.ExportAllDeclaration=function(e){this.type=r.Syntax.ExportAllDeclaration,this.source=e};t.ExportDefaultDeclaration=function(e){this.type=r.Syntax.ExportDefaultDeclaration,this.declaration=e};t.ExportNamedDeclaration=function(e,t,n){this.type=r.Syntax.ExportNamedDeclaration,this.declaration=e,this.specifiers=t,this.source=n};t.ExportSpecifier=function(e,t){this.type=r.Syntax.ExportSpecifier,this.exported=t,this.local=e};t.ExpressionStatement=function(e){this.type=r.Syntax.ExpressionStatement,this.expression=e};t.ForInStatement=function(e,t,n){this.type=r.Syntax.ForInStatement,this.left=e,this.right=t,this.body=n,this.each=!1};t.ForOfStatement=function(e,t,n){this.type=r.Syntax.ForOfStatement,this.left=e,this.right=t,this.body=n};t.ForStatement=function(e,t,n,o){this.type=r.Syntax.ForStatement,this.init=e,this.test=t,this.update=n,this.body=o};t.FunctionDeclaration=function(e,t,n,o){this.type=r.Syntax.FunctionDeclaration,this.id=e,this.params=t,this.body=n,this.generator=o,this.expression=!1,this.async=!1};t.FunctionExpression=function(e,t,n,o){this.type=r.Syntax.FunctionExpression,this.id=e,this.params=t,this.body=n,this.generator=o,this.expression=!1,this.async=!1};t.Identifier=function(e){this.type=r.Syntax.Identifier,this.name=e};t.IfStatement=function(e,t,n){this.type=r.Syntax.IfStatement,this.test=e,this.consequent=t,this.alternate=n};t.ImportDeclaration=function(e,t){this.type=r.Syntax.ImportDeclaration,this.specifiers=e,this.source=t};t.ImportDefaultSpecifier=function(e){this.type=r.Syntax.ImportDefaultSpecifier,this.local=e};t.ImportNamespaceSpecifier=function(e){this.type=r.Syntax.ImportNamespaceSpecifier,this.local=e};t.ImportSpecifier=function(e,t){this.type=r.Syntax.ImportSpecifier,this.local=e,this.imported=t};t.LabeledStatement=function(e,t){this.type=r.Syntax.LabeledStatement,this.label=e,this.body=t};t.Literal=function(e,t){this.type=r.Syntax.Literal,this.value=e,this.raw=t};t.MetaProperty=function(e,t){this.type=r.Syntax.MetaProperty,this.meta=e,this.property=t};t.MethodDefinition=function(e,t,n,o,i){this.type=r.Syntax.MethodDefinition,this.key=e,this.computed=t,this.value=n,this.kind=o,this.static=i};t.Module=function(e){this.type=r.Syntax.Program,this.body=e,this.sourceType="module"};t.NewExpression=function(e,t){this.type=r.Syntax.NewExpression,this.callee=e,this.arguments=t};t.ObjectExpression=function(e){this.type=r.Syntax.ObjectExpression,this.properties=e};t.ObjectPattern=function(e){this.type=r.Syntax.ObjectPattern,this.properties=e};t.Property=function(e,t,n,o,i,a){this.type=r.Syntax.Property,this.key=t,this.computed=n,this.value=o,this.kind=e,this.method=i,this.shorthand=a};t.RegexLiteral=function(e,t,n,o){this.type=r.Syntax.Literal,this.value=e,this.raw=t,this.regex={pattern:n,flags:o}};t.RestElement=function(e){this.type=r.Syntax.RestElement,this.argument=e};t.ReturnStatement=function(e){this.type=r.Syntax.ReturnStatement,this.argument=e};t.Script=function(e){this.type=r.Syntax.Program,this.body=e,this.sourceType="script"};t.SequenceExpression=function(e){this.type=r.Syntax.SequenceExpression,this.expressions=e};t.SpreadElement=function(e){this.type=r.Syntax.SpreadElement,this.argument=e};t.StaticMemberExpression=function(e,t){this.type=r.Syntax.MemberExpression,this.computed=!1,this.object=e,this.property=t};t.Super=function(){this.type=r.Syntax.Super};t.SwitchCase=function(e,t){this.type=r.Syntax.SwitchCase,this.test=e,this.consequent=t};t.SwitchStatement=function(e,t){this.type=r.Syntax.SwitchStatement,this.discriminant=e,this.cases=t};t.TaggedTemplateExpression=function(e,t){this.type=r.Syntax.TaggedTemplateExpression,this.tag=e,this.quasi=t};t.TemplateElement=function(e,t){this.type=r.Syntax.TemplateElement,this.value=e,this.tail=t};t.TemplateLiteral=function(e,t){this.type=r.Syntax.TemplateLiteral,this.quasis=e,this.expressions=t};t.ThisExpression=function(){this.type=r.Syntax.ThisExpression};t.ThrowStatement=function(e){this.type=r.Syntax.ThrowStatement,this.argument=e};t.TryStatement=function(e,t,n){this.type=r.Syntax.TryStatement,this.block=e,this.handler=t,this.finalizer=n};t.UnaryExpression=function(e,t){this.type=r.Syntax.UnaryExpression,this.operator=e,this.argument=t,this.prefix=!0};t.UpdateExpression=function(e,t,n){this.type=r.Syntax.UpdateExpression,this.operator=e,this.argument=t,this.prefix=n};t.VariableDeclaration=function(e,t){this.type=r.Syntax.VariableDeclaration,this.declarations=e,this.kind=t};t.VariableDeclarator=function(e,t){this.type=r.Syntax.VariableDeclarator,this.id=e,this.init=t};t.WhileStatement=function(e,t){this.type=r.Syntax.WhileStatement,this.test=e,this.body=t};t.WithStatement=function(e,t){this.type=r.Syntax.WithStatement,this.object=e,this.body=t};t.YieldExpression=function(e,t){this.type=r.Syntax.YieldExpression,this.argument=e,this.delegate=t}},function(e,t,n){"use 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s.Scanner(e,this.errorHandler),this.scanner.trackComment=this.config.comment,this.operatorPrecedence={")":0,";":0,",":0,"=":0,"]":0,"||":1,"&&":2,"|":3,"^":4,"&":5,"==":6,"!=":6,"===":6,"!==":6,"<":7,">":7,"<=":7,">=":7,"<<":8,">>":8,">>>":8,"+":9,"-":9,"*":11,"/":11,"%":11},this.lookahead={type:2,value:"",lineNumber:this.scanner.lineNumber,lineStart:0,start:0,end:0},this.hasLineTerminator=!1,this.context={isModule:!1,await:!1,allowIn:!0,allowStrictDirective:!0,allowYield:!0,firstCoverInitializedNameError:null,isAssignmentTarget:!1,isBindingElement:!1,inFunctionBody:!1,inIteration:!1,inSwitch:!1,labelSet:{},strict:!1},this.tokens=[],this.startMarker={index:0,line:this.scanner.lineNumber,column:0},this.lastMarker={index:0,line:this.scanner.lineNumber,column:0},this.nextToken(),this.lastMarker={index:this.scanner.index,line:this.scanner.lineNumber,column:this.scanner.index-this.scanner.lineStart}}return e.prototype.throwError=function(e){for(var t=[],n=1;n0&&this.delegate)for(var t=0;t>="===e||">>>="===e||"&="===e||"^="===e||"|="===e},e.prototype.isolateCoverGrammar=function(e){var t=this.context.isBindingElement,n=this.context.isAssignmentTarget,r=this.context.firstCoverInitializedNameError;this.context.isBindingElement=!0,this.context.isAssignmentTarget=!0,this.context.firstCoverInitializedNameError=null;var o=e.call(this);return null!==this.context.firstCoverInitializedNameError&&this.throwUnexpectedToken(this.context.firstCoverInitializedNameError),this.context.isBindingElement=t,this.context.isAssignmentTarget=n,this.context.firstCoverInitializedNameError=r,o},e.prototype.inheritCoverGrammar=function(e){var t=this.context.isBindingElement,n=this.context.isAssignmentTarget,r=this.context.firstCoverInitializedNameError;this.context.isBindingElement=!0,this.context.isAssignmentTarget=!0,this.context.firstCoverInitializedNameError=null;var o=e.call(this);return this.context.isBindingElement=this.context.isBindingElement&&t,this.context.isAssignmentTarget=this.context.isAssignmentTarget&&n,this.context.firstCoverInitializedNameError=r||this.context.firstCoverInitializedNameError,o},e.prototype.consumeSemicolon=function(){this.match(";")?this.nextToken():this.hasLineTerminator||(2===this.lookahead.type||this.match("}")||this.throwUnexpectedToken(this.lookahead),this.lastMarker.index=this.startMarker.index,this.lastMarker.line=this.startMarker.line,this.lastMarker.column=this.startMarker.column)},e.prototype.parsePrimaryExpression=function(){var e,t,n,r=this.createNode();switch(this.lookahead.type){case 3:(this.context.isModule||this.context.await)&&"await"===this.lookahead.value&&this.tolerateUnexpectedToken(this.lookahead),e=this.matchAsyncFunction()?this.parseFunctionExpression():this.finalize(r,new a.Identifier(this.nextToken().value));break;case 6:case 8:this.context.strict&&this.lookahead.octal&&this.tolerateUnexpectedToken(this.lookahead,i.Messages.StrictOctalLiteral),this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,t=this.nextToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.Literal(t.value,n));break;case 1:this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,t=this.nextToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.Literal("true"===t.value,n));break;case 5:this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,t=this.nextToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.Literal(null,n));break;case 10:e=this.parseTemplateLiteral();break;case 7:switch(this.lookahead.value){case"(":this.context.isBindingElement=!1,e=this.inheritCoverGrammar(this.parseGroupExpression);break;case"[":e=this.inheritCoverGrammar(this.parseArrayInitializer);break;case"{":e=this.inheritCoverGrammar(this.parseObjectInitializer);break;case"/":case"/=":this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,this.scanner.index=this.startMarker.index,t=this.nextRegexToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.RegexLiteral(t.regex,n,t.pattern,t.flags));break;default:e=this.throwUnexpectedToken(this.nextToken())}break;case 4:!this.context.strict&&this.context.allowYield&&this.matchKeyword("yield")?e=this.parseIdentifierName():!this.context.strict&&this.matchKeyword("let")?e=this.finalize(r,new a.Identifier(this.nextToken().value)):(this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,this.matchKeyword("function")?e=this.parseFunctionExpression():this.matchKeyword("this")?(this.nextToken(),e=this.finalize(r,new a.ThisExpression)):e=this.matchKeyword("class")?this.parseClassExpression():this.throwUnexpectedToken(this.nextToken()));break;default:e=this.throwUnexpectedToken(this.nextToken())}return e},e.prototype.parseSpreadElement=function(){var e=this.createNode();this.expect("...");var t=this.inheritCoverGrammar(this.parseAssignmentExpression);return this.finalize(e,new a.SpreadElement(t))},e.prototype.parseArrayInitializer=function(){var e=this.createNode(),t=[];for(this.expect("[");!this.match("]");)if(this.match(","))this.nextToken(),t.push(null);else if(this.match("...")){var n=this.parseSpreadElement();this.match("]")||(this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,this.expect(",")),t.push(n)}else t.push(this.inheritCoverGrammar(this.parseAssignmentExpression)),this.match("]")||this.expect(",");return this.expect("]"),this.finalize(e,new a.ArrayExpression(t))},e.prototype.parsePropertyMethod=function(e){this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1;var t=this.context.strict,n=this.context.allowStrictDirective;this.context.allowStrictDirective=e.simple;var r=this.isolateCoverGrammar(this.parseFunctionSourceElements);return this.context.strict&&e.firstRestricted&&this.tolerateUnexpectedToken(e.firstRestricted,e.message),this.context.strict&&e.stricted&&this.tolerateUnexpectedToken(e.stricted,e.message),this.context.strict=t,this.context.allowStrictDirective=n,r},e.prototype.parsePropertyMethodFunction=function(){var e=this.createNode(),t=this.context.allowYield;this.context.allowYield=!0;var n=this.parseFormalParameters(),r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!1))},e.prototype.parsePropertyMethodAsyncFunction=function(){var e=this.createNode(),t=this.context.allowYield,n=this.context.await;this.context.allowYield=!1,this.context.await=!0;var r=this.parseFormalParameters(),o=this.parsePropertyMethod(r);return this.context.allowYield=t,this.context.await=n,this.finalize(e,new a.AsyncFunctionExpression(null,r.params,o))},e.prototype.parseObjectPropertyKey=function(){var e,t=this.createNode(),n=this.nextToken();switch(n.type){case 8:case 6:this.context.strict&&n.octal&&this.tolerateUnexpectedToken(n,i.Messages.StrictOctalLiteral);var r=this.getTokenRaw(n);e=this.finalize(t,new a.Literal(n.value,r));break;case 3:case 1:case 5:case 4:e=this.finalize(t,new a.Identifier(n.value));break;case 7:"["===n.value?(e=this.isolateCoverGrammar(this.parseAssignmentExpression),this.expect("]")):e=this.throwUnexpectedToken(n);break;default:e=this.throwUnexpectedToken(n)}return e},e.prototype.isPropertyKey=function(e,t){return e.type===l.Syntax.Identifier&&e.name===t||e.type===l.Syntax.Literal&&e.value===t},e.prototype.parseObjectProperty=function(e){var t,n=this.createNode(),r=this.lookahead,o=null,s=null,l=!1,u=!1,c=!1,d=!1;if(3===r.type){var p=r.value;this.nextToken(),l=this.match("["),o=(d=!(this.hasLineTerminator||"async"!==p||this.match(":")||this.match("(")||this.match("*")||this.match(",")))?this.parseObjectPropertyKey():this.finalize(n,new a.Identifier(p))}else this.match("*")?this.nextToken():(l=this.match("["),o=this.parseObjectPropertyKey());var f=this.qualifiedPropertyName(this.lookahead);if(3===r.type&&!d&&"get"===r.value&&f)t="get",l=this.match("["),o=this.parseObjectPropertyKey(),this.context.allowYield=!1,s=this.parseGetterMethod();else if(3===r.type&&!d&&"set"===r.value&&f)t="set",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseSetterMethod();else if(7===r.type&&"*"===r.value&&f)t="init",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseGeneratorMethod(),u=!0;else if(o||this.throwUnexpectedToken(this.lookahead),t="init",this.match(":")&&!d)!l&&this.isPropertyKey(o,"__proto__")&&(e.value&&this.tolerateError(i.Messages.DuplicateProtoProperty),e.value=!0),this.nextToken(),s=this.inheritCoverGrammar(this.parseAssignmentExpression);else if(this.match("("))s=d?this.parsePropertyMethodAsyncFunction():this.parsePropertyMethodFunction(),u=!0;else if(3===r.type)if(p=this.finalize(n,new a.Identifier(r.value)),this.match("=")){this.context.firstCoverInitializedNameError=this.lookahead,this.nextToken(),c=!0;var h=this.isolateCoverGrammar(this.parseAssignmentExpression);s=this.finalize(n,new a.AssignmentPattern(p,h))}else c=!0,s=p;else this.throwUnexpectedToken(this.nextToken());return this.finalize(n,new a.Property(t,o,l,s,u,c))},e.prototype.parseObjectInitializer=function(){var e=this.createNode();this.expect("{");for(var t=[],n={value:!1};!this.match("}");)t.push(this.parseObjectProperty(n)),this.match("}")||this.expectCommaSeparator();return this.expect("}"),this.finalize(e,new a.ObjectExpression(t))},e.prototype.parseTemplateHead=function(){r.assert(this.lookahead.head,"Template literal must start with a template head");var e=this.createNode(),t=this.nextToken(),n=t.value,o=t.cooked;return this.finalize(e,new a.TemplateElement({raw:n,cooked:o},t.tail))},e.prototype.parseTemplateElement=function(){10!==this.lookahead.type&&this.throwUnexpectedToken();var e=this.createNode(),t=this.nextToken(),n=t.value,r=t.cooked;return this.finalize(e,new a.TemplateElement({raw:n,cooked:r},t.tail))},e.prototype.parseTemplateLiteral=function(){var e=this.createNode(),t=[],n=[],r=this.parseTemplateHead();for(n.push(r);!r.tail;)t.push(this.parseExpression()),r=this.parseTemplateElement(),n.push(r);return this.finalize(e,new a.TemplateLiteral(n,t))},e.prototype.reinterpretExpressionAsPattern=function(e){switch(e.type){case l.Syntax.Identifier:case l.Syntax.MemberExpression:case l.Syntax.RestElement:case l.Syntax.AssignmentPattern:break;case l.Syntax.SpreadElement:e.type=l.Syntax.RestElement,this.reinterpretExpressionAsPattern(e.argument);break;case l.Syntax.ArrayExpression:e.type=l.Syntax.ArrayPattern;for(var t=0;t")||this.expect("=>"),e={type:"ArrowParameterPlaceHolder",params:[],async:!1};else{var t=this.lookahead,n=[];if(this.match("..."))e=this.parseRestElement(n),this.expect(")"),this.match("=>")||this.expect("=>"),e={type:"ArrowParameterPlaceHolder",params:[e],async:!1};else{var r=!1;if(this.context.isBindingElement=!0,e=this.inheritCoverGrammar(this.parseAssignmentExpression),this.match(",")){var o=[];for(this.context.isAssignmentTarget=!1,o.push(e);2!==this.lookahead.type&&this.match(",");){if(this.nextToken(),this.match(")")){this.nextToken();for(var i=0;i")||this.expect("=>"),this.context.isBindingElement=!1,i=0;i")&&(e.type===l.Syntax.Identifier&&"yield"===e.name&&(r=!0,e={type:"ArrowParameterPlaceHolder",params:[e],async:!1}),!r)){if(this.context.isBindingElement||this.throwUnexpectedToken(this.lookahead),e.type===l.Syntax.SequenceExpression)for(i=0;i")){for(var l=0;l0){this.nextToken(),this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1;for(var o=[e,this.lookahead],i=t,s=this.isolateCoverGrammar(this.parseExponentiationExpression),l=[i,n.value,s],u=[r];!((r=this.binaryPrecedence(this.lookahead))<=0);){for(;l.length>2&&r<=u[u.length-1];){s=l.pop();var c=l.pop();u.pop(),i=l.pop(),o.pop();var d=this.startNode(o[o.length-1]);l.push(this.finalize(d,new a.BinaryExpression(c,i,s)))}l.push(this.nextToken().value),u.push(r),o.push(this.lookahead),l.push(this.isolateCoverGrammar(this.parseExponentiationExpression))}var p=l.length-1;t=l[p];for(var f=o.pop();p>1;){var h=o.pop(),m=f&&f.lineStart;d=this.startNode(h,m),c=l[p-1],t=this.finalize(d,new a.BinaryExpression(c,l[p-2],t)),p-=2,f=h}}return t},e.prototype.parseConditionalExpression=function(){var e=this.lookahead,t=this.inheritCoverGrammar(this.parseBinaryExpression);if(this.match("?")){this.nextToken();var n=this.context.allowIn;this.context.allowIn=!0;var r=this.isolateCoverGrammar(this.parseAssignmentExpression);this.context.allowIn=n,this.expect(":");var o=this.isolateCoverGrammar(this.parseAssignmentExpression);t=this.finalize(this.startNode(e),new a.ConditionalExpression(t,r,o)),this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1}return t},e.prototype.checkPatternParam=function(e,t){switch(t.type){case l.Syntax.Identifier:this.validateParam(e,t,t.name);break;case l.Syntax.RestElement:this.checkPatternParam(e,t.argument);break;case l.Syntax.AssignmentPattern:this.checkPatternParam(e,t.left);break;case l.Syntax.ArrayPattern:for(var n=0;n")){this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1;var o=e.async,s=this.reinterpretAsCoverFormalsList(e);if(s){this.hasLineTerminator&&this.tolerateUnexpectedToken(this.lookahead),this.context.firstCoverInitializedNameError=null;var u=this.context.strict,c=this.context.allowStrictDirective;this.context.allowStrictDirective=s.simple;var d=this.context.allowYield,p=this.context.await;this.context.allowYield=!0,this.context.await=o;var f=this.startNode(t);this.expect("=>");var h=void 0;if(this.match("{")){var m=this.context.allowIn;this.context.allowIn=!0,h=this.parseFunctionSourceElements(),this.context.allowIn=m}else h=this.isolateCoverGrammar(this.parseAssignmentExpression);var g=h.type!==l.Syntax.BlockStatement;this.context.strict&&s.firstRestricted&&this.throwUnexpectedToken(s.firstRestricted,s.message),this.context.strict&&s.stricted&&this.tolerateUnexpectedToken(s.stricted,s.message),e=o?this.finalize(f,new a.AsyncArrowFunctionExpression(s.params,h,g)):this.finalize(f,new a.ArrowFunctionExpression(s.params,h,g)),this.context.strict=u,this.context.allowStrictDirective=c,this.context.allowYield=d,this.context.await=p}}else if(this.matchAssign()){if(this.context.isAssignmentTarget||this.tolerateError(i.Messages.InvalidLHSInAssignment),this.context.strict&&e.type===l.Syntax.Identifier){var v=e;this.scanner.isRestrictedWord(v.name)&&this.tolerateUnexpectedToken(n,i.Messages.StrictLHSAssignment),this.scanner.isStrictModeReservedWord(v.name)&&this.tolerateUnexpectedToken(n,i.Messages.StrictReservedWord)}this.match("=")?this.reinterpretExpressionAsPattern(e):(this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1);var y=(n=this.nextToken()).value,b=this.isolateCoverGrammar(this.parseAssignmentExpression);e=this.finalize(this.startNode(t),new a.AssignmentExpression(y,e,b)),this.context.firstCoverInitializedNameError=null}}return e},e.prototype.parseExpression=function(){var e=this.lookahead,t=this.isolateCoverGrammar(this.parseAssignmentExpression);if(this.match(",")){var n=[];for(n.push(t);2!==this.lookahead.type&&this.match(",");)this.nextToken(),n.push(this.isolateCoverGrammar(this.parseAssignmentExpression));t=this.finalize(this.startNode(e),new a.SequenceExpression(n))}return t},e.prototype.parseStatementListItem=function(){var e;if(this.context.isAssignmentTarget=!0,this.context.isBindingElement=!0,4===this.lookahead.type)switch(this.lookahead.value){case"export":this.context.isModule||this.tolerateUnexpectedToken(this.lookahead,i.Messages.IllegalExportDeclaration),e=this.parseExportDeclaration();break;case"import":this.context.isModule||this.tolerateUnexpectedToken(this.lookahead,i.Messages.IllegalImportDeclaration),e=this.parseImportDeclaration();break;case"const":e=this.parseLexicalDeclaration({inFor:!1});break;case"function":e=this.parseFunctionDeclaration();break;case"class":e=this.parseClassDeclaration();break;case"let":e=this.isLexicalDeclaration()?this.parseLexicalDeclaration({inFor:!1}):this.parseStatement();break;default:e=this.parseStatement()}else e=this.parseStatement();return e},e.prototype.parseBlock=function(){var e=this.createNode();this.expect("{");for(var t=[];!this.match("}");)t.push(this.parseStatementListItem());return this.expect("}"),this.finalize(e,new a.BlockStatement(t))},e.prototype.parseLexicalBinding=function(e,t){var n=this.createNode(),r=this.parsePattern([],e);this.context.strict&&r.type===l.Syntax.Identifier&&this.scanner.isRestrictedWord(r.name)&&this.tolerateError(i.Messages.StrictVarName);var o=null;return"const"===e?this.matchKeyword("in")||this.matchContextualKeyword("of")||(this.match("=")?(this.nextToken(),o=this.isolateCoverGrammar(this.parseAssignmentExpression)):this.throwError(i.Messages.DeclarationMissingInitializer,"const")):(!t.inFor&&r.type!==l.Syntax.Identifier||this.match("="))&&(this.expect("="),o=this.isolateCoverGrammar(this.parseAssignmentExpression)),this.finalize(n,new a.VariableDeclarator(r,o))},e.prototype.parseBindingList=function(e,t){for(var n=[this.parseLexicalBinding(e,t)];this.match(",");)this.nextToken(),n.push(this.parseLexicalBinding(e,t));return n},e.prototype.isLexicalDeclaration=function(){var e=this.scanner.saveState();this.scanner.scanComments();var t=this.scanner.lex();return this.scanner.restoreState(e),3===t.type||7===t.type&&"["===t.value||7===t.type&&"{"===t.value||4===t.type&&"let"===t.value||4===t.type&&"yield"===t.value},e.prototype.parseLexicalDeclaration=function(e){var t=this.createNode(),n=this.nextToken().value;r.assert("let"===n||"const"===n,"Lexical declaration must be either let or const");var o=this.parseBindingList(n,e);return this.consumeSemicolon(),this.finalize(t,new a.VariableDeclaration(o,n))},e.prototype.parseBindingRestElement=function(e,t){var n=this.createNode();this.expect("...");var r=this.parsePattern(e,t);return this.finalize(n,new a.RestElement(r))},e.prototype.parseArrayPattern=function(e,t){var n=this.createNode();this.expect("[");for(var r=[];!this.match("]");)if(this.match(","))this.nextToken(),r.push(null);else{if(this.match("...")){r.push(this.parseBindingRestElement(e,t));break}r.push(this.parsePatternWithDefault(e,t)),this.match("]")||this.expect(",")}return this.expect("]"),this.finalize(n,new a.ArrayPattern(r))},e.prototype.parsePropertyPattern=function(e,t){var n,r,o=this.createNode(),i=!1,s=!1;if(3===this.lookahead.type){var l=this.lookahead;n=this.parseVariableIdentifier();var u=this.finalize(o,new a.Identifier(l.value));if(this.match("=")){e.push(l),s=!0,this.nextToken();var c=this.parseAssignmentExpression();r=this.finalize(this.startNode(l),new a.AssignmentPattern(u,c))}else this.match(":")?(this.expect(":"),r=this.parsePatternWithDefault(e,t)):(e.push(l),s=!0,r=u)}else i=this.match("["),n=this.parseObjectPropertyKey(),this.expect(":"),r=this.parsePatternWithDefault(e,t);return this.finalize(o,new a.Property("init",n,i,r,!1,s))},e.prototype.parseObjectPattern=function(e,t){var n=this.createNode(),r=[];for(this.expect("{");!this.match("}");)r.push(this.parsePropertyPattern(e,t)),this.match("}")||this.expect(",");return this.expect("}"),this.finalize(n,new a.ObjectPattern(r))},e.prototype.parsePattern=function(e,t){var n;return this.match("[")?n=this.parseArrayPattern(e,t):this.match("{")?n=this.parseObjectPattern(e,t):(!this.matchKeyword("let")||"const"!==t&&"let"!==t||this.tolerateUnexpectedToken(this.lookahead,i.Messages.LetInLexicalBinding),e.push(this.lookahead),n=this.parseVariableIdentifier(t)),n},e.prototype.parsePatternWithDefault=function(e,t){var n=this.lookahead,r=this.parsePattern(e,t);if(this.match("=")){this.nextToken();var o=this.context.allowYield;this.context.allowYield=!0;var i=this.isolateCoverGrammar(this.parseAssignmentExpression);this.context.allowYield=o,r=this.finalize(this.startNode(n),new a.AssignmentPattern(r,i))}return r},e.prototype.parseVariableIdentifier=function(e){var t=this.createNode(),n=this.nextToken();return 4===n.type&&"yield"===n.value?this.context.strict?this.tolerateUnexpectedToken(n,i.Messages.StrictReservedWord):this.context.allowYield||this.throwUnexpectedToken(n):3!==n.type?this.context.strict&&4===n.type&&this.scanner.isStrictModeReservedWord(n.value)?this.tolerateUnexpectedToken(n,i.Messages.StrictReservedWord):(this.context.strict||"let"!==n.value||"var"!==e)&&this.throwUnexpectedToken(n):(this.context.isModule||this.context.await)&&3===n.type&&"await"===n.value&&this.tolerateUnexpectedToken(n),this.finalize(t,new a.Identifier(n.value))},e.prototype.parseVariableDeclaration=function(e){var t=this.createNode(),n=this.parsePattern([],"var");this.context.strict&&n.type===l.Syntax.Identifier&&this.scanner.isRestrictedWord(n.name)&&this.tolerateError(i.Messages.StrictVarName);var r=null;return this.match("=")?(this.nextToken(),r=this.isolateCoverGrammar(this.parseAssignmentExpression)):n.type===l.Syntax.Identifier||e.inFor||this.expect("="),this.finalize(t,new a.VariableDeclarator(n,r))},e.prototype.parseVariableDeclarationList=function(e){var t={inFor:e.inFor},n=[];for(n.push(this.parseVariableDeclaration(t));this.match(",");)this.nextToken(),n.push(this.parseVariableDeclaration(t));return n},e.prototype.parseVariableStatement=function(){var e=this.createNode();this.expectKeyword("var");var t=this.parseVariableDeclarationList({inFor:!1});return this.consumeSemicolon(),this.finalize(e,new a.VariableDeclaration(t,"var"))},e.prototype.parseEmptyStatement=function(){var e=this.createNode();return this.expect(";"),this.finalize(e,new a.EmptyStatement)},e.prototype.parseExpressionStatement=function(){var e=this.createNode(),t=this.parseExpression();return this.consumeSemicolon(),this.finalize(e,new a.ExpressionStatement(t))},e.prototype.parseIfClause=function(){return this.context.strict&&this.matchKeyword("function")&&this.tolerateError(i.Messages.StrictFunction),this.parseStatement()},e.prototype.parseIfStatement=function(){var e,t=this.createNode(),n=null;this.expectKeyword("if"),this.expect("(");var r=this.parseExpression();return!this.match(")")&&this.config.tolerant?(this.tolerateUnexpectedToken(this.nextToken()),e=this.finalize(this.createNode(),new a.EmptyStatement)):(this.expect(")"),e=this.parseIfClause(),this.matchKeyword("else")&&(this.nextToken(),n=this.parseIfClause())),this.finalize(t,new a.IfStatement(r,e,n))},e.prototype.parseDoWhileStatement=function(){var e=this.createNode();this.expectKeyword("do");var t=this.context.inIteration;this.context.inIteration=!0;var n=this.parseStatement();this.context.inIteration=t,this.expectKeyword("while"),this.expect("(");var r=this.parseExpression();return!this.match(")")&&this.config.tolerant?this.tolerateUnexpectedToken(this.nextToken()):(this.expect(")"),this.match(";")&&this.nextToken()),this.finalize(e,new a.DoWhileStatement(n,r))},e.prototype.parseWhileStatement=function(){var e,t=this.createNode();this.expectKeyword("while"),this.expect("(");var n=this.parseExpression();if(!this.match(")")&&this.config.tolerant)this.tolerateUnexpectedToken(this.nextToken()),e=this.finalize(this.createNode(),new a.EmptyStatement);else{this.expect(")");var r=this.context.inIteration;this.context.inIteration=!0,e=this.parseStatement(),this.context.inIteration=r}return this.finalize(t,new a.WhileStatement(n,e))},e.prototype.parseForStatement=function(){var e,t,n,r=null,o=null,s=null,u=!0,c=this.createNode();if(this.expectKeyword("for"),this.expect("("),this.match(";"))this.nextToken();else if(this.matchKeyword("var")){r=this.createNode(),this.nextToken();var d=this.context.allowIn;this.context.allowIn=!1;var p=this.parseVariableDeclarationList({inFor:!0});if(this.context.allowIn=d,1===p.length&&this.matchKeyword("in")){var f=p[0];f.init&&(f.id.type===l.Syntax.ArrayPattern||f.id.type===l.Syntax.ObjectPattern||this.context.strict)&&this.tolerateError(i.Messages.ForInOfLoopInitializer,"for-in"),r=this.finalize(r,new a.VariableDeclaration(p,"var")),this.nextToken(),e=r,t=this.parseExpression(),r=null}else 1===p.length&&null===p[0].init&&this.matchContextualKeyword("of")?(r=this.finalize(r,new a.VariableDeclaration(p,"var")),this.nextToken(),e=r,t=this.parseAssignmentExpression(),r=null,u=!1):(r=this.finalize(r,new a.VariableDeclaration(p,"var")),this.expect(";"))}else if(this.matchKeyword("const")||this.matchKeyword("let")){r=this.createNode();var h=this.nextToken().value;this.context.strict||"in"!==this.lookahead.value?(d=this.context.allowIn,this.context.allowIn=!1,p=this.parseBindingList(h,{inFor:!0}),this.context.allowIn=d,1===p.length&&null===p[0].init&&this.matchKeyword("in")?(r=this.finalize(r,new a.VariableDeclaration(p,h)),this.nextToken(),e=r,t=this.parseExpression(),r=null):1===p.length&&null===p[0].init&&this.matchContextualKeyword("of")?(r=this.finalize(r,new a.VariableDeclaration(p,h)),this.nextToken(),e=r,t=this.parseAssignmentExpression(),r=null,u=!1):(this.consumeSemicolon(),r=this.finalize(r,new a.VariableDeclaration(p,h)))):(r=this.finalize(r,new a.Identifier(h)),this.nextToken(),e=r,t=this.parseExpression(),r=null)}else{var m=this.lookahead;if(d=this.context.allowIn,this.context.allowIn=!1,r=this.inheritCoverGrammar(this.parseAssignmentExpression),this.context.allowIn=d,this.matchKeyword("in"))this.context.isAssignmentTarget&&r.type!==l.Syntax.AssignmentExpression||this.tolerateError(i.Messages.InvalidLHSInForIn),this.nextToken(),this.reinterpretExpressionAsPattern(r),e=r,t=this.parseExpression(),r=null;else if(this.matchContextualKeyword("of"))this.context.isAssignmentTarget&&r.type!==l.Syntax.AssignmentExpression||this.tolerateError(i.Messages.InvalidLHSInForLoop),this.nextToken(),this.reinterpretExpressionAsPattern(r),e=r,t=this.parseAssignmentExpression(),r=null,u=!1;else{if(this.match(",")){for(var g=[r];this.match(",");)this.nextToken(),g.push(this.isolateCoverGrammar(this.parseAssignmentExpression));r=this.finalize(this.startNode(m),new a.SequenceExpression(g))}this.expect(";")}}if(void 0===e&&(this.match(";")||(o=this.parseExpression()),this.expect(";"),this.match(")")||(s=this.parseExpression())),!this.match(")")&&this.config.tolerant)this.tolerateUnexpectedToken(this.nextToken()),n=this.finalize(this.createNode(),new a.EmptyStatement);else{this.expect(")");var v=this.context.inIteration;this.context.inIteration=!0,n=this.isolateCoverGrammar(this.parseStatement),this.context.inIteration=v}return void 0===e?this.finalize(c,new a.ForStatement(r,o,s,n)):u?this.finalize(c,new a.ForInStatement(e,t,n)):this.finalize(c,new a.ForOfStatement(e,t,n))},e.prototype.parseContinueStatement=function(){var e=this.createNode();this.expectKeyword("continue");var t=null;if(3===this.lookahead.type&&!this.hasLineTerminator){var n=this.parseVariableIdentifier();t=n;var r="$"+n.name;Object.prototype.hasOwnProperty.call(this.context.labelSet,r)||this.throwError(i.Messages.UnknownLabel,n.name)}return this.consumeSemicolon(),null!==t||this.context.inIteration||this.throwError(i.Messages.IllegalContinue),this.finalize(e,new a.ContinueStatement(t))},e.prototype.parseBreakStatement=function(){var e=this.createNode();this.expectKeyword("break");var t=null;if(3===this.lookahead.type&&!this.hasLineTerminator){var n=this.parseVariableIdentifier(),r="$"+n.name;Object.prototype.hasOwnProperty.call(this.context.labelSet,r)||this.throwError(i.Messages.UnknownLabel,n.name),t=n}return this.consumeSemicolon(),null!==t||this.context.inIteration||this.context.inSwitch||this.throwError(i.Messages.IllegalBreak),this.finalize(e,new a.BreakStatement(t))},e.prototype.parseReturnStatement=function(){this.context.inFunctionBody||this.tolerateError(i.Messages.IllegalReturn);var e=this.createNode();this.expectKeyword("return");var t=(this.match(";")||this.match("}")||this.hasLineTerminator||2===this.lookahead.type)&&8!==this.lookahead.type&&10!==this.lookahead.type?null:this.parseExpression();return this.consumeSemicolon(),this.finalize(e,new a.ReturnStatement(t))},e.prototype.parseWithStatement=function(){this.context.strict&&this.tolerateError(i.Messages.StrictModeWith);var e,t=this.createNode();this.expectKeyword("with"),this.expect("(");var n=this.parseExpression();return!this.match(")")&&this.config.tolerant?(this.tolerateUnexpectedToken(this.nextToken()),e=this.finalize(this.createNode(),new a.EmptyStatement)):(this.expect(")"),e=this.parseStatement()),this.finalize(t,new a.WithStatement(n,e))},e.prototype.parseSwitchCase=function(){var e,t=this.createNode();this.matchKeyword("default")?(this.nextToken(),e=null):(this.expectKeyword("case"),e=this.parseExpression()),this.expect(":");for(var n=[];!(this.match("}")||this.matchKeyword("default")||this.matchKeyword("case"));)n.push(this.parseStatementListItem());return this.finalize(t,new a.SwitchCase(e,n))},e.prototype.parseSwitchStatement=function(){var e=this.createNode();this.expectKeyword("switch"),this.expect("(");var t=this.parseExpression();this.expect(")");var n=this.context.inSwitch;this.context.inSwitch=!0;var r=[],o=!1;for(this.expect("{");!this.match("}");){var s=this.parseSwitchCase();null===s.test&&(o&&this.throwError(i.Messages.MultipleDefaultsInSwitch),o=!0),r.push(s)}return this.expect("}"),this.context.inSwitch=n,this.finalize(e,new a.SwitchStatement(t,r))},e.prototype.parseLabelledStatement=function(){var e,t=this.createNode(),n=this.parseExpression();if(n.type===l.Syntax.Identifier&&this.match(":")){this.nextToken();var r=n,o="$"+r.name;Object.prototype.hasOwnProperty.call(this.context.labelSet,o)&&this.throwError(i.Messages.Redeclaration,"Label",r.name),this.context.labelSet[o]=!0;var s=void 0;if(this.matchKeyword("class"))this.tolerateUnexpectedToken(this.lookahead),s=this.parseClassDeclaration();else if(this.matchKeyword("function")){var u=this.lookahead,c=this.parseFunctionDeclaration();this.context.strict?this.tolerateUnexpectedToken(u,i.Messages.StrictFunction):c.generator&&this.tolerateUnexpectedToken(u,i.Messages.GeneratorInLegacyContext),s=c}else s=this.parseStatement();delete this.context.labelSet[o],e=new a.LabeledStatement(r,s)}else this.consumeSemicolon(),e=new a.ExpressionStatement(n);return this.finalize(t,e)},e.prototype.parseThrowStatement=function(){var e=this.createNode();this.expectKeyword("throw"),this.hasLineTerminator&&this.throwError(i.Messages.NewlineAfterThrow);var t=this.parseExpression();return this.consumeSemicolon(),this.finalize(e,new a.ThrowStatement(t))},e.prototype.parseCatchClause=function(){var e=this.createNode();this.expectKeyword("catch"),this.expect("("),this.match(")")&&this.throwUnexpectedToken(this.lookahead);for(var t=[],n=this.parsePattern(t),r={},o=0;o0&&this.tolerateError(i.Messages.BadGetterArity);var r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!1))},e.prototype.parseSetterMethod=function(){var e=this.createNode(),t=this.context.allowYield;this.context.allowYield=!0;var n=this.parseFormalParameters();1!==n.params.length?this.tolerateError(i.Messages.BadSetterArity):n.params[0]instanceof a.RestElement&&this.tolerateError(i.Messages.BadSetterRestParameter);var r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!1))},e.prototype.parseGeneratorMethod=function(){var e=this.createNode(),t=this.context.allowYield;this.context.allowYield=!0;var n=this.parseFormalParameters();this.context.allowYield=!1;var r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!0))},e.prototype.isStartOfExpression=function(){var e=!0,t=this.lookahead.value;switch(this.lookahead.type){case 7:e="["===t||"("===t||"{"===t||"+"===t||"-"===t||"!"===t||"~"===t||"++"===t||"--"===t||"/"===t||"/="===t;break;case 4:e="class"===t||"delete"===t||"function"===t||"let"===t||"new"===t||"super"===t||"this"===t||"typeof"===t||"void"===t||"yield"===t}return e},e.prototype.parseYieldExpression=function(){var e=this.createNode();this.expectKeyword("yield");var t=null,n=!1;if(!this.hasLineTerminator){var r=this.context.allowYield;this.context.allowYield=!1,(n=this.match("*"))?(this.nextToken(),t=this.parseAssignmentExpression()):this.isStartOfExpression()&&(t=this.parseAssignmentExpression()),this.context.allowYield=r}return this.finalize(e,new a.YieldExpression(t,n))},e.prototype.parseClassElement=function(e){var t=this.lookahead,n=this.createNode(),r="",o=null,s=null,l=!1,u=!1,c=!1,d=!1;if(this.match("*"))this.nextToken();else if(l=this.match("["),"static"===(o=this.parseObjectPropertyKey()).name&&(this.qualifiedPropertyName(this.lookahead)||this.match("*"))&&(t=this.lookahead,c=!0,l=this.match("["),this.match("*")?this.nextToken():o=this.parseObjectPropertyKey()),3===t.type&&!this.hasLineTerminator&&"async"===t.value){var p=this.lookahead.value;":"!==p&&"("!==p&&"*"!==p&&(d=!0,t=this.lookahead,o=this.parseObjectPropertyKey(),3===t.type&&"constructor"===t.value&&this.tolerateUnexpectedToken(t,i.Messages.ConstructorIsAsync))}var f=this.qualifiedPropertyName(this.lookahead);return 3===t.type?"get"===t.value&&f?(r="get",l=this.match("["),o=this.parseObjectPropertyKey(),this.context.allowYield=!1,s=this.parseGetterMethod()):"set"===t.value&&f&&(r="set",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseSetterMethod()):7===t.type&&"*"===t.value&&f&&(r="init",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseGeneratorMethod(),u=!0),!r&&o&&this.match("(")&&(r="init",s=d?this.parsePropertyMethodAsyncFunction():this.parsePropertyMethodFunction(),u=!0),r||this.throwUnexpectedToken(this.lookahead),"init"===r&&(r="method"),l||(c&&this.isPropertyKey(o,"prototype")&&this.throwUnexpectedToken(t,i.Messages.StaticPrototype),!c&&this.isPropertyKey(o,"constructor")&&(("method"!==r||!u||s&&s.generator)&&this.throwUnexpectedToken(t,i.Messages.ConstructorSpecialMethod),e.value?this.throwUnexpectedToken(t,i.Messages.DuplicateConstructor):e.value=!0,r="constructor")),this.finalize(n,new 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t="0"!==e,n=s(e);return!this.eof()&&o.Character.isOctalDigit(this.source.charCodeAt(this.index))&&(t=!0,n=8*n+s(this.source[this.index++]),"0123".indexOf(e)>=0&&!this.eof()&&o.Character.isOctalDigit(this.source.charCodeAt(this.index))&&(n=8*n+s(this.source[this.index++]))),{code:n,octal:t}},e.prototype.scanIdentifier=function(){var e,t=this.index,n=92===this.source.charCodeAt(t)?this.getComplexIdentifier():this.getIdentifier();if(3!=(e=1===n.length?3:this.isKeyword(n)?4:"null"===n?5:"true"===n||"false"===n?1:3)&&t+n.length!==this.index){var r=this.index;this.index=t,this.tolerateUnexpectedToken(i.Messages.InvalidEscapedReservedWord),this.index=r}return{type:e,value:n,lineNumber:this.lineNumber,lineStart:this.lineStart,start:t,end:this.index}},e.prototype.scanPunctuator=function(){var e=this.index,t=this.source[this.index];switch(t){case"(":case"{":"{"===t&&this.curlyStack.push("{"),++this.index;break;case".":++this.index,"."===this.source[this.index]&&"."===this.source[this.index+1]&&(this.index+=2,t="...");break;case"}":++this.index,this.curlyStack.pop();break;case")":case";":case",":case"[":case"]":case":":case"?":case"~":++this.index;break;default:">>>="===(t=this.source.substr(this.index,4))?this.index+=4:"==="===(t=t.substr(0,3))||"!=="===t||">>>"===t||"<<="===t||">>="===t||"**="===t?this.index+=3:"&&"===(t=t.substr(0,2))||"||"===t||"=="===t||"!="===t||"+="===t||"-="===t||"*="===t||"/="===t||"++"===t||"--"===t||"<<"===t||">>"===t||"&="===t||"|="===t||"^="===t||"%="===t||"<="===t||">="===t||"=>"===t||"**"===t?this.index+=2:(t=this.source[this.index],"<>=!+-*%&|^/".indexOf(t)>=0&&++this.index)}return this.index===e&&this.throwUnexpectedToken(),{type:7,value:t,lineNumber:this.lineNumber,lineStart:this.lineStart,start:e,end:this.index}},e.prototype.scanHexLiteral=function(e){for(var t="";!this.eof()&&o.Character.isHexDigit(this.source.charCodeAt(this.index));)t+=this.source[this.index++];return 0===t.length&&this.throwUnexpectedToken(),o.Character.isIdentifierStart(this.source.charCodeAt(this.index))&&this.throwUnexpectedToken(),{type:6,value:parseInt("0x"+t,16),lineNumber:this.lineNumber,lineStart:this.lineStart,start:e,end:this.index}},e.prototype.scanBinaryLiteral=function(e){for(var t,n="";!this.eof()&&("0"===(t=this.source[this.index])||"1"===t);)n+=this.source[this.index++];return 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n=t[1],r=t[2],o=t[3],i=t[6],a=t[7],s=t[11];e[1]=t[4],e[2]=t[8],e[3]=t[12],e[4]=n,e[6]=t[9],e[7]=t[13],e[8]=r,e[9]=i,e[11]=t[14],e[12]=o,e[13]=a,e[14]=s}else e[0]=t[0],e[1]=t[4],e[2]=t[8],e[3]=t[12],e[4]=t[1],e[5]=t[5],e[6]=t[9],e[7]=t[13],e[8]=t[2],e[9]=t[6],e[10]=t[10],e[11]=t[14],e[12]=t[3],e[13]=t[7],e[14]=t[11],e[15]=t[15];return e}function m(e,t){var n=t[0],r=t[1],o=t[2],i=t[3],a=t[4],s=t[5],l=t[6],u=t[7],c=t[8],d=t[9],p=t[10],f=t[11],h=t[12],m=t[13],g=t[14],v=t[15],y=n*s-r*a,b=n*l-o*a,x=n*u-i*a,_=r*l-o*s,T=r*u-i*s,S=o*u-i*l,w=c*m-d*h,C=c*g-p*h,A=c*v-f*h,E=d*g-p*m,D=d*v-f*m,I=p*v-f*g,P=y*I-b*D+x*E+_*A-T*C+S*w;return P?(P=1/P,e[0]=(s*I-l*D+u*E)*P,e[1]=(o*D-r*I-i*E)*P,e[2]=(m*S-g*T+v*_)*P,e[3]=(p*T-d*S-f*_)*P,e[4]=(l*A-a*I-u*C)*P,e[5]=(n*I-o*A+i*C)*P,e[6]=(g*x-h*S-v*b)*P,e[7]=(c*S-p*x+f*b)*P,e[8]=(a*D-s*A+u*w)*P,e[9]=(r*A-n*D-i*w)*P,e[10]=(h*T-m*x+v*y)*P,e[11]=(d*x-c*T-f*y)*P,e[12]=(s*C-a*E-l*w)*P,e[13]=(n*E-r*C+o*w)*P,e[14]=(m*b-h*_-g*y)*P,e[15]=(c*_-d*b+p*y)*P,e):null}function g(e,t){var n=t[0],r=t[1],o=t[2],i=t[3],a=t[4],s=t[5],l=t[6],u=t[7],c=t[8],d=t[9],p=t[10],f=t[11],h=t[12],m=t[13],g=t[14],v=t[15];return e[0]=s*(p*v-f*g)-d*(l*v-u*g)+m*(l*f-u*p),e[1]=-(r*(p*v-f*g)-d*(o*v-i*g)+m*(o*f-i*p)),e[2]=r*(l*v-u*g)-s*(o*v-i*g)+m*(o*u-i*l),e[3]=-(r*(l*f-u*p)-s*(o*f-i*p)+d*(o*u-i*l)),e[4]=-(a*(p*v-f*g)-c*(l*v-u*g)+h*(l*f-u*p)),e[5]=n*(p*v-f*g)-c*(o*v-i*g)+h*(o*f-i*p),e[6]=-(n*(l*v-u*g)-a*(o*v-i*g)+h*(o*u-i*l)),e[7]=n*(l*f-u*p)-a*(o*f-i*p)+c*(o*u-i*l),e[8]=a*(d*v-f*m)-c*(s*v-u*m)+h*(s*f-u*d),e[9]=-(n*(d*v-f*m)-c*(r*v-i*m)+h*(r*f-i*d)),e[10]=n*(s*v-u*m)-a*(r*v-i*m)+h*(r*u-i*s),e[11]=-(n*(s*f-u*d)-a*(r*f-i*d)+c*(r*u-i*s)),e[12]=-(a*(d*g-p*m)-c*(s*g-l*m)+h*(s*p-l*d)),e[13]=n*(d*g-p*m)-c*(r*g-o*m)+h*(r*p-o*d),e[14]=-(n*(s*g-l*m)-a*(r*g-o*m)+h*(r*l-o*s)),e[15]=n*(s*p-l*d)-a*(r*p-o*d)+c*(r*l-o*s),e}function v(e){var t=e[0],n=e[1],r=e[2],o=e[3],i=e[4],a=e[5],s=e[6],l=e[7],u=e[8],c=e[9],d=e[10],p=e[11],f=e[12],h=e[13],m=e[14],g=e[15];return(t*a-n*i)*(d*g-p*m)-(t*s-r*i)*(c*g-p*h)+(t*l-o*i)*(c*m-d*h)+(n*s-r*a)*(u*g-p*f)-(n*l-o*a)*(u*m-d*f)+(r*l-o*s)*(u*h-c*f)}function y(e,t,n){var r=t[0],o=t[1],i=t[2],a=t[3],s=t[4],l=t[5],u=t[6],c=t[7],d=t[8],p=t[9],f=t[10],h=t[11],m=t[12],g=t[13],v=t[14],y=t[15],b=n[0],x=n[1],_=n[2],T=n[3];return e[0]=b*r+x*s+_*d+T*m,e[1]=b*o+x*l+_*p+T*g,e[2]=b*i+x*u+_*f+T*v,e[3]=b*a+x*c+_*h+T*y,b=n[4],x=n[5],_=n[6],T=n[7],e[4]=b*r+x*s+_*d+T*m,e[5]=b*o+x*l+_*p+T*g,e[6]=b*i+x*u+_*f+T*v,e[7]=b*a+x*c+_*h+T*y,b=n[8],x=n[9],_=n[10],T=n[11],e[8]=b*r+x*s+_*d+T*m,e[9]=b*o+x*l+_*p+T*g,e[10]=b*i+x*u+_*f+T*v,e[11]=b*a+x*c+_*h+T*y,b=n[12],x=n[13],_=n[14],T=n[15],e[12]=b*r+x*s+_*d+T*m,e[13]=b*o+x*l+_*p+T*g,e[14]=b*i+x*u+_*f+T*v,e[15]=b*a+x*c+_*h+T*y,e}function b(e,t,n){var r,o,i,a,s,l,u,c,d,p,f,h,m=n[0],g=n[1],v=n[2];return t===e?(e[12]=t[0]*m+t[4]*g+t[8]*v+t[12],e[13]=t[1]*m+t[5]*g+t[9]*v+t[13],e[14]=t[2]*m+t[6]*g+t[10]*v+t[14],e[15]=t[3]*m+t[7]*g+t[11]*v+t[15]):(r=t[0],o=t[1],i=t[2],a=t[3],s=t[4],l=t[5],u=t[6],c=t[7],d=t[8],p=t[9],f=t[10],h=t[11],e[0]=r,e[1]=o,e[2]=i,e[3]=a,e[4]=s,e[5]=l,e[6]=u,e[7]=c,e[8]=d,e[9]=p,e[10]=f,e[11]=h,e[12]=r*m+s*g+d*v+t[12],e[13]=o*m+l*g+p*v+t[13],e[14]=i*m+u*g+f*v+t[14],e[15]=a*m+c*g+h*v+t[15]),e}function x(e,t,n){var r=n[0],o=n[1],i=n[2];return e[0]=t[0]*r,e[1]=t[1]*r,e[2]=t[2]*r,e[3]=t[3]*r,e[4]=t[4]*o,e[5]=t[5]*o,e[6]=t[6]*o,e[7]=t[7]*o,e[8]=t[8]*i,e[9]=t[9]*i,e[10]=t[10]*i,e[11]=t[11]*i,e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15],e}function _(e,t,n,r){var i,a,s,l,u,c,d,p,f,h,m,g,v,y,b,x,_,T,S,w,C,A,E,D,I=r[0],P=r[1],O=r[2],N=Math.hypot(I,P,O);return N0?(n[0]=2*(l*s+d*r+u*a-c*o)/p,n[1]=2*(u*s+d*o+c*r-l*a)/p,n[2]=2*(c*s+d*a+l*o-u*r)/p):(n[0]=2*(l*s+d*r+u*a-c*o),n[1]=2*(u*s+d*o+c*r-l*a),n[2]=2*(c*s+d*a+l*o-u*r)),O(e,t,n),e}function M(e,t){return e[0]=t[12],e[1]=t[13],e[2]=t[14],e}function R(e,t){var n=t[0],r=t[1],o=t[2],i=t[4],a=t[5],s=t[6],l=t[8],u=t[9],c=t[10];return e[0]=Math.hypot(n,r,o),e[1]=Math.hypot(i,a,s),e[2]=Math.hypot(l,u,c),e}function F(e,t){var n=new i(3);R(n,t);var r=1/n[0],o=1/n[1],a=1/n[2],s=t[0]*r,l=t[1]*o,u=t[2]*a,c=t[4]*r,d=t[5]*o,p=t[6]*a,f=t[8]*r,h=t[9]*o,m=t[10]*a,g=s+d+m,v=0;return g>0?(v=2*Math.sqrt(g+1),e[3]=.25*v,e[0]=(p-h)/v,e[1]=(f-u)/v,e[2]=(l-c)/v):s>d&&s>m?(v=2*Math.sqrt(1+s-d-m),e[3]=(p-h)/v,e[0]=.25*v,e[1]=(l+c)/v,e[2]=(f+u)/v):d>m?(v=2*Math.sqrt(1+d-s-m),e[3]=(f-u)/v,e[0]=(l+c)/v,e[1]=.25*v,e[2]=(p+h)/v):(v=2*Math.sqrt(1+m-s-d),e[3]=(l-c)/v,e[0]=(f+u)/v,e[1]=(p+h)/v,e[2]=.25*v),e}function k(e,t,n,r){var o=t[0],i=t[1],a=t[2],s=t[3],l=o+o,u=i+i,c=a+a,d=o*l,p=o*u,f=o*c,h=i*u,m=i*c,g=a*c,v=s*l,y=s*u,b=s*c,x=r[0],_=r[1],T=r[2];return e[0]=(1-(h+g))*x,e[1]=(p+b)*x,e[2]=(f-y)*x,e[3]=0,e[4]=(p-b)*_,e[5]=(1-(d+g))*_,e[6]=(m+v)*_,e[7]=0,e[8]=(f+y)*T,e[9]=(m-v)*T,e[10]=(1-(d+h))*T,e[11]=0,e[12]=n[0],e[13]=n[1],e[14]=n[2],e[15]=1,e}function L(e,t,n,r,o){var i=t[0],a=t[1],s=t[2],l=t[3],u=i+i,c=a+a,d=s+s,p=i*u,f=i*c,h=i*d,m=a*c,g=a*d,v=s*d,y=l*u,b=l*c,x=l*d,_=r[0],T=r[1],S=r[2],w=o[0],C=o[1],A=o[2],E=(1-(m+v))*_,D=(f+x)*_,I=(h-b)*_,P=(f-x)*T,O=(1-(p+v))*T,N=(g+y)*T,M=(h+b)*S,R=(g-y)*S,F=(1-(p+m))*S;return e[0]=E,e[1]=D,e[2]=I,e[3]=0,e[4]=P,e[5]=O,e[6]=N,e[7]=0,e[8]=M,e[9]=R,e[10]=F,e[11]=0,e[12]=n[0]+w-(E*w+P*C+M*A),e[13]=n[1]+C-(D*w+O*C+R*A),e[14]=n[2]+A-(I*w+N*C+F*A),e[15]=1,e}function B(e,t){var n=t[0],r=t[1],o=t[2],i=t[3],a=n+n,s=r+r,l=o+o,u=n*a,c=r*a,d=r*s,p=o*a,f=o*s,h=o*l,m=i*a,g=i*s,v=i*l;return e[0]=1-d-h,e[1]=c+v,e[2]=p-g,e[3]=0,e[4]=c-v,e[5]=1-u-h,e[6]=f+m,e[7]=0,e[8]=p+g,e[9]=f-m,e[10]=1-u-d,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e}function V(e,t,n,r,o,i,a){var s=1/(n-t),l=1/(o-r),u=1/(i-a);return e[0]=2*i*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=2*i*l,e[6]=0,e[7]=0,e[8]=(n+t)*s,e[9]=(o+r)*l,e[10]=(a+i)*u,e[11]=-1,e[12]=0,e[13]=0,e[14]=a*i*2*u,e[15]=0,e}function U(e,t,n,r,o){var i,a=1/Math.tan(t/2);return e[0]=a/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=a,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(i=1/(r-o),e[10]=(o+r)*i,e[14]=2*o*r*i):(e[10]=-1,e[14]=-2*r),e}Math.hypot||(Math.hypot=function(){for(var e=0,t=arguments.length;t--;)e+=arguments[t]*arguments[t];return Math.sqrt(e)});var G=U;function z(e,t,n,r,o){var i,a=1/Math.tan(t/2);return e[0]=a/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=a,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=o&&o!==1/0?(i=1/(r-o),e[10]=o*i,e[14]=o*r*i):(e[10]=-1,e[14]=-r),e}function j(e,t,n,r){var o=Math.tan(t.upDegrees*Math.PI/180),i=Math.tan(t.downDegrees*Math.PI/180),a=Math.tan(t.leftDegrees*Math.PI/180),s=Math.tan(t.rightDegrees*Math.PI/180),l=2/(a+s),u=2/(o+i);return e[0]=l,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=u,e[6]=0,e[7]=0,e[8]=-(a-s)*l*.5,e[9]=(o-i)*u*.5,e[10]=r/(n-r),e[11]=-1,e[12]=0,e[13]=0,e[14]=r*n/(n-r),e[15]=0,e}function W(e,t,n,r,o,i,a){var s=1/(t-n),l=1/(r-o),u=1/(i-a);return e[0]=-2*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*l,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=2*u,e[11]=0,e[12]=(t+n)*s,e[13]=(o+r)*l,e[14]=(a+i)*u,e[15]=1,e}var H=W;function X(e,t,n,r,o,i,a){var s=1/(t-n),l=1/(r-o),u=1/(i-a);return e[0]=-2*s,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*l,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=u,e[11]=0,e[12]=(t+n)*s,e[13]=(o+r)*l,e[14]=i*u,e[15]=1,e}function K(e,t,n,r){var i,a,s,l,u,c,d,p,h,m,g=t[0],v=t[1],y=t[2],b=r[0],x=r[1],_=r[2],T=n[0],S=n[1],w=n[2];return Math.abs(g-T)0&&(c*=f=1/Math.sqrt(f),d*=f,p*=f);var h=l*p-u*d,m=u*c-s*p,g=s*d-l*c;return(f=h*h+m*m+g*g)>0&&(h*=f=1/Math.sqrt(f),m*=f,g*=f),e[0]=h,e[1]=m,e[2]=g,e[3]=0,e[4]=d*g-p*m,e[5]=p*h-c*g,e[6]=c*m-d*h,e[7]=0,e[8]=c,e[9]=d,e[10]=p,e[11]=0,e[12]=o,e[13]=i,e[14]=a,e[15]=1,e}function 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Ai(e,t){t.classHierarchy.push("vtkPlane"),e.distanceToPlane=e=>bi(e,t.origin,t.normal),e.projectPoint=(e,n)=>{xi(e,t.origin,t.normal,n)},e.projectVector=(e,n)=>_i(e,t.normal,n),e.push=e=>{if(0!==e)for(let n=0;n<3;n++)t.origin[n]+=e*t.normal[n]},e.generalizedProjectPoint=(e,n)=>{Ti(e,t.origin,t.normal,n)},e.evaluateFunction=(e,n,r)=>Array.isArray(e)?t.normal[0]*(e[0]-t.origin[0])+t.normal[1]*(e[1]-t.origin[1])+t.normal[2]*(e[2]-t.origin[2]):t.normal[0]*(e-t.origin[0])+t.normal[1]*(n-t.origin[1])+t.normal[2]*(r-t.origin[2]),e.evaluateGradient=e=>[t.normal[0],t.normal[1],t.normal[2]],e.intersectWithLine=(e,n)=>Si(e,n,t.origin,t.normal),e.intersectWithPlane=(e,n)=>wi(e,n,t.origin,t.normal)}const Ei={normal:[0,0,1],origin:[0,0,0]};function Di(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ei,n),gt.obj(e,t),gt.setGetArray(e,t,["normal","origin"],3),Ai(e,t)}var Ii={newInstance:gt.newInstance(Di,"vtkPlane"),extend:Di,...Ci};function Pi(e,t,n,r){const o=n[0]-t[0],i=n[1]-t[1],a=n[2]-t[2],s=e[0]-t[0],l=e[1]-t[1],u=e[2]-t[2];r[0]=i*u-a*l,r[1]=a*s-o*u,r[2]=o*l-i*s}function Oi(e,t,n,r){Pi(e,t,n,r);const o=Math.sqrt(r[0]*r[0]+r[1]*r[1]+r[2]*r[2]);0!==o&&(r[0]/=o,r[1]/=o,r[2]/=o)}const Ni={computeNormalDirection:Pi,computeNormal:Oi,intersectWithTriangle:function(e,t,n,r,o,i){let a=arguments.length>6&&void 0!==arguments[6]?arguments[6]:1e-6,s=!1;const l=[],u=[],c=[],d=[],p=[];Oi(e,t,n,d),Oi(r,o,i,p);const f=-Ln(d,e),h=-Ln(p,r),m=[Ln(p,e)+h,Ln(p,t)+h,Ln(p,n)+h];if(m[0]*m[1]>a&&m[0]*m[2]>a)return{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};const g=[Ln(d,r)+f,Ln(d,o)+f,Ln(d,i)+f];if(g[0]*g[1]>a&&g[0]*g[2]>a)return{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};if(Math.abs(d[0]-p[0])<1e-9&&Math.abs(d[1]-p[1])<1e-9&&Math.abs(d[2]-p[2])<1e-9&&Math.abs(f-h)<1e-9)return s=!0,{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};const v=[e,t,n],y=[r,o,i],b=Ln(d,p),x=(f-h*b)/(b*b-1),_=(h-f*b)/(b*b-1),T=[x*d[0]+_*p[0],x*d[1]+_*p[1],x*d[2]+_*p[2]],S=Bn(d,p,[]);Un(S);let w=0,C=0;const A=[],E=[];let D,I,P=50,O=50;for(let t=0;t<3;t++){const n=t,o=(t+1)%3,i=Ii.intersectWithLine(v[n],v[o],r,p);i.intersection&&i.t>0-a&&i.t<1+a&&(i.t<1+a&&i.t>1-a&&(P=w),A[w++]=Ln(i.x,S)-Ln(T,S));const s=Ii.intersectWithLine(y[n],y[o],e,d);s.intersection&&s.t>0-a&&s.t<1+a&&(s.t<1+a&&s.t>1-a&&(O=C),E[C++]=Ln(s.x,S)-Ln(T,S))}if(w>2){w--;const e=A[2];A[2]=A[P],A[P]=e}if(C>2){C--;const e=E[2];E[2]=E[O],E[O]=e}if(2!==w||2!==C)return{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};if(Number.isNaN(A[0])||Number.isNaN(A[1])||Number.isNaN(E[0])||Number.isNaN(E[1]))return{intersect:!1,coplanar:s,pt1:l,pt2:u,surfaceId:c};if(A[0]>A[1]){const e=A[1];A[1]=A[0],A[0]=e}if(E[0]>E[1]){const e=E[1];E[1]=E[0],E[0]=e}return A[1]2,e.intersectWithLine=(n,r,o,i,a)=>{const s={subId:0,t:Number.MAX_VALUE,intersect:0,betweenPoints:!1};a[2]=0;const l=[],u=o*o,c=[],d=[],p=[];t.points.getPoint(0,c),t.points.getPoint(1,d),t.points.getPoint(2,p);const f=[],h=[];if(Oi(c,d,p,f),0!==f[0]||0!==f[1]||0!==f[2]){const t=Ii.intersectWithLine(n,r,c,f);if(s.betweenPoints=t.betweenPoints,s.t=t.t,i[0]=t.x[0],i[1]=t.x[1],i[2]=t.x[2],!t.intersection)return a[0]=0,a[1]=0,s.intersect=0,s;const o=e.evaluatePosition(i,l,a,h);if(o.evaluation>=0)return o.dist2<=u?(s.intersect=1,s):(s.intersect=o.evaluation,s)}const m=zn(c,d),g=zn(d,p),v=zn(p,c);t.line||(t.line=Xo.newInstance()),m>g&&m>v?(t.line.getPoints().setPoint(0,c),t.line.getPoints().setPoint(1,d)):g>v&&g>m?(t.line.getPoints().setPoint(0,d),t.line.getPoints().setPoint(1,p)):(t.line.getPoints().setPoint(0,p),t.line.getPoints().setPoint(1,c));const y=t.line.intersectWithLine(n,r,o,i,a);if(s.betweenPoints=y.betweenPoints,s.t=y.t,y.intersect){const e=[],t=[],n=[];for(let r=0;r<3;r++)e[r]=c[r]-p[r],t[r]=d[r]-p[r],n[r]=i[r]-p[r];return a[0]=Ln(n,e)/v,a[1]=Ln(n,t)/g,s.intersect=1,s}return 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pa(e,t){t.classHierarchy.push("vtkOpenGLCellArrayBufferObject"),e.setType(ta.ARRAY_BUFFER),e.createVBO=function(n,r,o,i){let a=arguments.length>4&&void 0!==arguments[4]?arguments[4]:null;if(!n.getData()||!n.getData().length)return t.elementCount=0,0;t.blockSize=3,t.vertexOffset=0,t.normalOffset=0,t.tCoordOffset=0,t.tCoordComponents=0,t.colorComponents=0,t.colorOffset=0,t.customData=[];const s=i.points.getData();let l=null,u=null,c=null;const 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R=i.vertexOffset;f=function(e){if(a&&(a.points[R]=e,a.cells[R]=b+i.cellOffset),++R,h=3*e,t.coordShiftAndScaleEnabled?(D[I++]=(s[h++]-t.coordShift[0])*t.coordScale[0],D[I++]=(s[h++]-t.coordShift[1])*t.coordScale[1],D[I++]=(s[h++]-t.coordShift[2])*t.coordScale[2]):(D[I++]=s[h++],D[I++]=s[h++],D[I++]=s[h++]),null!==l&&(m=i.haveCellNormals?3*(b+i.cellOffset):3*e,D[I++]=l[m++],D[I++]=l[m++],D[I++]=l[m++]),t.customData.forEach((t=>{y=e*t.components;for(let e=0;e{null===e||e.constructor===Float64Array&&3===e.length?null===n||n.constructor===Float64Array&&3===n.length?(null!==t.coordShift&&null!==e&&en(e,t.coordShift)||(t.coordShift=e),null!==t.coordScale&&null!==n&&en(n,t.coordScale)||(t.coordScale=n),t.coordShiftAndScaleEnabled=function(e,t){return null!==e&&null!==t&&!(Zt(e,[0,0,0])&&Zt(t,[1,1,1]))}(t.coordShift,t.coordScale),t.coordShiftAndScaleEnabled?t.inverseShiftAndScaleMatrix=function(e,t){const n=new Float64Array(3);Xt(n,t);const r=new Float64Array(16);return 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va(e,t){t.classHierarchy.push("vtkShader"),e.compile=()=>{let e=t.context.VERTEX_SHADER;if(!t.source||!t.source.length||"Unknown"===t.shaderType)return!1;if(0!==t.handle&&(t.context.deleteShader(t.handle),t.handle=0),e="Fragment"===t.shaderType?t.context.FRAGMENT_SHADER:t.context.VERTEX_SHADER,t.handle=t.context.createShader(e),t.context.shaderSource(t.handle,t.source),t.context.compileShader(t.handle),!t.context.getShaderParameter(t.handle,t.context.COMPILE_STATUS)){const e=t.context.getShaderInfoLog(t.handle);return ga(`Error compiling shader '${t.source}': ${e}`),t.context.deleteShader(t.handle),t.handle=0,!1}return!0},e.cleanup=()=>{"Unknown"!==t.shaderType&&0!==t.handle&&(t.context.deleteShader(t.handle),t.handle=0,t.dirty=!0)}}const ya={shaderType:"Unknown",source:"",error:"",handle:0,dirty:!1,context:null};function ba(e,t){let n=arguments.length>2&&void 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No such uniform.`,!1;for(var o=arguments.length,i=new Array(o>1?o-1:0),a=1;a{const o=e.findUniform(n);return-1===o?(t.error=`Could not set uniform ${n} . No such uniform.`,!1):(t.context.uniform4fv(o,r),!0)},e.setUniform4i=function(n){const r=e.findUniform(n);if(-1===r)return t.error=`Could not set uniform ${n} . No such uniform.`,!1;for(var o=arguments.length,i=new Array(o>1?o-1:0),a=1;a{const o=e.findUniform(n);return-1===o?(t.error=`Could not set uniform ${n} . 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be used.",!1;if(0===t.handle){const e=t.context.createProgram();if(0===e)return t.error="Could not create shader program.",!1;t.handle=e,t.linked=!1}return"Vertex"===n.getShaderType()&&(0!==t.vertexShaderHandle&&t.context.detachShader(t.handle,t.vertexShaderHandle),t.vertexShaderHandle=n.getHandle()),"Fragment"===n.getShaderType()&&(0!==t.fragmentShaderHandle&&t.context.detachShader(t.handle,t.fragmentShaderHandle),t.fragmentShaderHandle=n.getHandle()),t.context.attachShader(t.handle,n.getHandle()),e.setLinked(!1),!0},e.detachShader=e=>{if(0===e.getHandle())return t.error="shader object was not initialized, cannot attach it.",!1;if("Unknown"===e.getShaderType())return t.error="Shader object is of type Unknown and cannot be used.",!1;switch(0===t.handle&&(t.error="This shader program has not been initialized yet."),e.getShaderType()){case"Vertex":return t.vertexShaderHandle!==e.getHandle()?(t.error="The supplied shader was not attached to this program.",!1):(t.context.detachShader(t.handle,e.getHandle()),t.vertexShaderHandle=0,t.linked=!1,!0);case"Fragment":return t.fragmentShaderHandle!==e.getHandle()?(t.error="The supplied shader was not attached to this program.",!1):(t.context.detachShader(t.handle,e.getHandle()),t.fragmentShaderHandle=0,t.linked=!1,!0);default:return!1}},e.setContext=e=>{t.context=e,t.vertexShader.setContext(e),t.fragmentShader.setContext(e),t.geometryShader.setContext(e)},e.setLastCameraMTime=e=>{t.lastCameraMTime=e}}const Sa={vertexShaderHandle:0,fragmentShaderHandle:0,geometryShaderHandle:0,vertexShader:null,fragmentShader:null,geometryShader:null,linked:!1,bound:!1,compiled:!1,error:"",handle:0,numberOfOutputs:0,attributesLocs:null,uniformLocs:null,md5Hash:0,context:null,lastCameraMTime:null};function wa(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Sa,n),t.attributesLocs={},t.uniformLocs={},t.vertexShader=xa.newInstance(),t.vertexShader.setShaderType("Vertex"),t.fragmentShader=xa.newInstance(),t.fragmentShader.setShaderType("Fragment"),t.geometryShader=xa.newInstance(),t.geometryShader.setShaderType("Geometry"),gt.obj(e,t),gt.get(e,t,["lastCameraMTime"]),gt.setGet(e,t,["error","handle","compiled","bound","md5Hash","vertexShader","fragmentShader","geometryShader","linked"]),Ta(e,t)}var Ca={newInstance:gt.newInstance(wa,"vtkShaderProgram"),extend:wa,substitute:function(e,t,n,r){const o="string"==typeof n?n:n.join("\n"),i=!1===r?t:new RegExp(t,"g"),a=e.replace(i,o);return{replace:a!==o,result:a}}};function Aa(e,t){t.classHierarchy.push("vtkOpenGLVertexArrayObject"),e.exposedMethod=()=>{},e.initialize=()=>{t.instancingExtension=null,t._openGLRenderWindow.getWebgl2()||(t.instancingExtension=t.context.getExtension("ANGLE_instanced_arrays")),!t.forceEmulation&&t._openGLRenderWindow&&t._openGLRenderWindow.getWebgl2()?(t.extension=null,t.supported=!0,t.handleVAO=t.context.createVertexArray()):(t.extension=t.context.getExtension("OES_vertex_array_object"),!t.forceEmulation&&t.extension?(t.supported=!0,t.handleVAO=t.extension.createVertexArrayOES()):t.supported=!1)},e.isReady=()=>0!==t.handleVAO||!1===t.supported,e.bind=()=>{if(e.isReady()||e.initialize(),e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(t.handleVAO):t.context.bindVertexArray(t.handleVAO);else if(e.isReady()){const e=t.context;for(let n=0;n0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,1):e.vertexAttribDivisor(o.index+n,1))}}}},e.release=()=>{if(e.isReady()&&t.supported)t.extension?t.extension.bindVertexArrayOES(null):t.context.bindVertexArray(null);else if(e.isReady()){const e=t.context;for(let n=0;n0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(o.index+n,0):e.vertexAttribDivisor(o.index+n,0)),e.disableVertexAttribArray(o.index+n)}}}},e.shaderProgramChanged=()=>{e.release(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.handleProgram=0},e.releaseGraphicsResources=()=>{e.shaderProgramChanged(),t.handleVAO&&(t.extension?t.extension.deleteVertexArrayOES(t.handleVAO):t.context.deleteVertexArray(t.handleVAO)),t.handleVAO=0,t.supported=!0,t.handleProgram=0},e.addAttributeArray=(t,n,r,o,i,a,s,l)=>e.addAttributeArrayWithDivisor(t,n,r,o,i,a,s,l,0,!1),e.addAttributeArrayWithDivisor=(n,r,o,i,a,s,l,u,c,d)=>{if(!n)return!1;if(!n.isBound()||0===r.getHandle()||r.getType()!==ta.ARRAY_BUFFER)return!1;if(0===t.handleProgram&&(t.handleProgram=n.getHandle()),e.isReady()||e.initialize(),!e.isReady()||t.handleProgram!==n.getHandle())return!1;const p=t.context,f={};if(f.name=o,f.index=p.getAttribLocation(t.handleProgram,o),f.offset=i,f.stride=a,f.type=s,f.size=l,f.normalize=u,f.isMatrix=d,f.divisor=c,-1===f.Index)return!1;if(r.bind(),p.enableVertexAttribArray(f.index),p.vertexAttribPointer(f.index,f.size,f.type,f.normalize,f.stride,f.offset),c>0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f.index,1):p.vertexAttribDivisor(f.index,1)),f.buffer=r.getHandle(),!t.supported){let e=!1;for(let n=0;n{const d=e.addAttributeArrayWithDivisor(n,r,o,i,a,s,l,u,c,!0);if(!d)return d;const p=t.context,f=p.getAttribLocation(t.handleProgram,o);for(let e=1;e0&&(t.instancingExtension?t.instancingExtension.vertexAttribDivisorANGLE(f+e,1):p.vertexAttribDivisor(f+e,1));return!0},e.removeAttributeArray=n=>{if(!e.isReady()||0===t.handleProgram)return!1;if(!t.supported)for(let e=0;e{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))}}const Ea={forceEmulation:!1,handleVAO:0,handleProgram:0,supported:!0,buffers:null,context:null};function Da(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ea,n),t.buffers=[],gt.obj(e,t),gt.get(e,t,["supported"]),gt.setGet(e,t,["forceEmulation"]),Aa(e,t)}var Ia={newInstance:gt.newInstance(Da,"vtkOpenGLVertexArrayObject"),extend:Da};const Pa={Start:0,Points:0,Lines:1,Tris:2,TriStrips:3,TrisEdges:4,TriStripsEdges:5,End:6};function Oa(e,t){t.classHierarchy.push("vtkOpenGLHelper"),e.setOpenGLRenderWindow=e=>{t.context=e.getContext(),t.program.setContext(t.context),t.VAO.setOpenGLRenderWindow(e),t.CABO.setOpenGLRenderWindow(e)},e.releaseGraphicsResources=e=>{t.VAO.releaseGraphicsResources(),t.CABO.releaseGraphicsResources(),t.CABO.setElementCount(0)},e.drawArrays=(n,r,o,i)=>{if(t.CABO.getElementCount()){const a=e.getOpenGLMode(o),s=e.haveWideLines(n,r),l=t.context,u=l.getParameter(l.DEPTH_WRITEMASK);t.pointPicking&&l.depthMask(!1),a===l.LINES&&s?(e.updateShaders(n,r,i),l.drawArraysInstanced(a,0,t.CABO.getElementCount(),2*Math.ceil(r.getProperty().getLineWidth()))):(l.lineWidth(r.getProperty().getLineWidth()),e.updateShaders(n,r,i),l.drawArrays(a,0,t.CABO.getElementCount()),l.lineWidth(1));const c=(a===l.POINTS?1:0)||(a===l.LINES?2:3);return t.pointPicking&&l.depthMask(u),t.CABO.getElementCount()/c}return 0},e.getOpenGLMode=e=>{if(t.pointPicking)return t.context.POINTS;const n=t.primitiveType;return e===ua.POINTS||n===Pa.Points?t.context.POINTS:e===ua.WIREFRAME||n===Pa.Lines||n===Pa.TrisEdges||n===Pa.TriStripsEdges?t.context.LINES:t.context.TRIANGLES},e.haveWideLines=(e,n)=>n.getProperty().getLineWidth()>1&&!(t.CABO.getOpenGLRenderWindow()&&t.CABO.getOpenGLRenderWindow().getHardwareMaximumLineWidth()>=n.getProperty().getLineWidth()),e.getNeedToRebuildShaders=(t,n,r)=>!!(r.getNeedToRebuildShaders(e,t,n)||0===e.getProgram()||e.getShaderSourceTime().getMTime(){if(e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};o.buildShaders(i,n,r);const a=t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==e.getProgram()&&(e.setProgram(a),e.getVAO().releaseGraphicsResources()),e.getShaderSourceTime().modified()}else t.CABO.getOpenGLRenderWindow().getShaderCache().readyShaderProgram(e.getProgram());e.getVAO().bind(),o.setMapperShaderParameters(e,n,r),o.setPropertyShaderParameters(e,n,r),o.setCameraShaderParameters(e,n,r),o.setLightingShaderParameters(e,n,r),o.invokeShaderCallbacks(e,n,r)},e.setMapperShaderParameters=(n,r,o)=>{if(e.haveWideLines(n,r)){e.getProgram().setUniform2f("viewportSize",o.usize,o.vsize);const t=parseFloat(r.getProperty().getLineWidth()),n=t/2;e.getProgram().setUniformf("lineWidthStepSize",t/Math.ceil(t)),e.getProgram().setUniformf("halfLineWidth",n)}t.primitiveType===Pa.Points||r.getProperty().getRepresentation()===ua.POINTS?e.getProgram().setUniformf("pointSize",r.getProperty().getPointSize()):t.pointPicking&&e.getProgram().setUniformf("pointSize",e.getPointPickingPrimitiveSize())},e.replaceShaderPositionVC=(n,r,o)=>{let i=n.Vertex;i=Ca.substitute(i,"//VTK::PositionVC::Dec",["//VTK::PositionVC::Dec","uniform float pointSize;"]).result,i=Ca.substitute(i,"//VTK::PositionVC::Impl",["//VTK::PositionVC::Impl"," gl_PointSize = pointSize;"],!1).result,e.getOpenGLMode(o.getProperty().getRepresentation())===t.context.LINES&&e.haveWideLines(r,o)&&(i=Ca.substitute(i,"//VTK::PositionVC::Dec",["//VTK::PositionVC::Dec","uniform vec2 viewportSize;","uniform float lineWidthStepSize;","uniform float halfLineWidth;"]).result,i=Ca.substitute(i,"//VTK::PositionVC::Impl",["//VTK::PositionVC::Impl"," if (halfLineWidth > 0.0)"," {"," float offset = float(gl_InstanceID / 2) * lineWidthStepSize - halfLineWidth;"," vec4 tmpPos = gl_Position;"," vec3 tmpPos2 = tmpPos.xyz / tmpPos.w;"," tmpPos2.x = tmpPos2.x + 2.0 * mod(float(gl_InstanceID), 2.0) * offset / viewportSize[0];"," tmpPos2.y = tmpPos2.y + 2.0 * mod(float(gl_InstanceID + 1), 2.0) * offset / viewportSize[1];"," gl_Position = vec4(tmpPos2.xyz * tmpPos.w, tmpPos.w);"," }"]).result),n.Vertex=i},e.getPointPickingPrimitiveSize=()=>t.primitiveType===Pa.Points?2:t.primitiveType===Pa.Lines?4:6,e.getAllocatedGPUMemoryInBytes=()=>e.getCABO().getAllocatedGPUMemoryInBytes()}const Na={context:null,program:null,shaderSourceTime:null,VAO:null,attributeUpdateTime:null,CABO:null,primitiveType:0,pointPicking:!1};function Ma(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Na,n),gt.obj(e,t),t.shaderSourceTime={},gt.obj(t.shaderSourceTime),t.attributeUpdateTime={},gt.obj(t.attributeUpdateTime),gt.setGet(e,t,["program","shaderSourceTime","VAO","attributeUpdateTime","CABO","primitiveType","pointPicking"]),t.program=Ca.newInstance(),t.VAO=Ia.newInstance(),t.CABO=ma.newInstance(),Oa(e,t)}var Ra={newInstance:gt.newInstance(Ma),extend:Ma,primTypes:Pa};const Fa=e=>e,ka=1e-6;class La{constructor(){let e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this.matrix=f(new Float64Array(16)),this.tmp=new Float64Array(3),this.angleConv=e?s:Fa}rotateFromDirections(e,t){const n=new Float64Array(3),r=new Float64Array(3),o=new Float64Array(16);jt(n,e[0],e[1],e[2]),jt(r,t[0],t[1],t[2]),Kt(n,n),Kt(r,r);const i=qt(n,r);return i>=1||($t(this.tmp,n,r),Gt(this.tmp)1&&void 0!==arguments[1]?arguments[1]:0,n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:-1;if($n(un,this.matrix))return this;const r=-1===n?e.length:t+3*n;for(let n=t;n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ja,n),gt.obj(e,t),gt.setGet(e,t,["xLength","yLength","zLength","generate3DTextureCoordinates","generateFaces","generateLines"]),gt.setGetArray(e,t,["center","rotations"],3),gt.setGetArray(e,t,["matrix"],16),t._polys=Jr.newInstance({values:Uint16Array.from(Ga)}),t._lineCells=Jr.newInstance({values:Uint16Array.from(Ua)}),gt.moveToProtected(e,t,["polys","lineCells"]),gt.algo(e,t,0,1),za(e,t)}var Ha={newInstance:gt.newInstance(Wa,"vtkCubeSource"),extend:Wa};const{vtkErrorMacro:Xa}=gt;function Ka(e,t){t.classHierarchy.push("vtkImageDataOutlineFilter");const n={...e};e.requestData=(e,n)=>{const r=e[0];if(!r||!r.isA("vtkImageData"))return void Xa("Invalid or missing input");const o=r.getSpatialExtent();o?(t._cubeSource.setBounds(o),t._cubeSource.setMatrix(r.getIndexToWorld()),n[0]=t._cubeSource.getOutputData()):Xa("Unable to fetch spatial extents of input image.")},e.getMTime=()=>Math.max(n.getMTime(),t._cubeSource.getMTime()),e.setGenerateFaces=t._cubeSource.setGenerateFaces,e.setGenerateLines=t._cubeSource.setGenerateLines,e.getGenerateFaces=t._cubeSource.getGenerateFaces,e.getGenerateLines=t._cubeSource.getGenerateLines}const qa={};function $a(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,qa,n),gt.obj(e,t),gt.algo(e,t,1,1),t._cubeSource=Ha.newInstance(),gt.moveToProtected(e,t,["cubeSource","tmpOut"]),Ka(e,t)}var Ya={newInstance:gt.newInstance($a,"vtkImageDataOutlineFilter"),extend:$a};const Ja={CLAMP_TO_EDGE:0,REPEAT:1,MIRRORED_REPEAT:2},Qa={NEAREST:0,LINEAR:1,NEAREST_MIPMAP_NEAREST:2,NEAREST_MIPMAP_LINEAR:3,LINEAR_MIPMAP_NEAREST:4,LINEAR_MIPMAP_LINEAR:5};var Za={Wrap:Ja,Filter:Qa};const es=new Float32Array(1),ts=new Int32Array(es.buffer);var ns={fromHalf:function(e){const t=(32768&e)>>15,n=(31744&e)>>10,r=1023&e;return 0===n?(t?-1:1)*2**-14*(r/1024):31===n?r?NaN:1/0*(t?-1:1):(t?-1:1)*2**(n-15)*(1+r/1024)},toHalf:function(e){es[0]=e;const t=ts[0];let n=t>>16&32768,r=t>>12&2047;const o=t>>23&255;return o<103?n:o>142?(n|=31744,n|=(255===o?0:1)&&8388607&t,n):o<113?(r|=2048,n|=(r>>114-o)+(r>>113-o&1),n):(n|=o-112<<10|r>>1,n+=1&r,n)}};const{Wrap:rs,Filter:os}=Za,{VtkDataTypes:is}=Wr,{vtkDebugMacro:as,vtkErrorMacro:ss,vtkWarningMacro:ls}=vt,{toHalf:us}=ns;function cs(e,t){function n(e,n){let r=arguments.length>2&&void 0!==arguments[2]&&arguments[2];const o=[];let i=t.width*t.height*t.components;if(r&&(i*=t.depth),e!==is.FLOAT&&t.openGLDataType===t.context.FLOAT)for(let 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n=t.renderable.getCanvas();e.create2DFromRaw(n.width,n.height,4,is.UNSIGNED_CHAR,n,!0),e.activate(),e.sendParameters(),t.textureBuildTime.modified()}if(null!==t.renderable.getJsImageData()){const n=t.renderable.getJsImageData();t.renderable.getInterpolate()&&(t.generateMipmap=!0,e.setMinificationFilter(os.LINEAR_MIPMAP_LINEAR)),e.create2DFromRaw(n.width,n.height,4,is.UNSIGNED_CHAR,n.data,!0),e.activate(),e.sendParameters(),t.textureBuildTime.modified()}const n=t.renderable.getInputData(0);if(n&&n.getPointData().getScalars()){const r=n.getExtent(),o=n.getPointData().getScalars(),i=[];for(let e=0;e{e.deactivate(),t.context&&t.handle&&t.context.deleteTexture(t.handle),t.handle=0,t.numberOfDimensions=0,t.target=0,t.components=0,t.width=0,t.height=0,t.depth=0,e.resetFormatAndType()},e.createTexture=()=>{t.handle||(t.handle=t.context.createTexture(),t.target&&(t.context.bindTexture(t.target,t.handle),t.context.texParameteri(t.target,t.context.TEXTURE_MIN_FILTER,e.getOpenGLFilterMode(t.minificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_MAG_FILTER,e.getOpenGLFilterMode(t.magnificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_S,e.getOpenGLWrapMode(t.wrapS)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_T,e.getOpenGLWrapMode(t.wrapT)),t._openGLRenderWindow.getWebgl2()&&t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_R,e.getOpenGLWrapMode(t.wrapR)),t.context.bindTexture(t.target,null)))},e.getTextureUnit=()=>t._openGLRenderWindow?t._openGLRenderWindow.getTextureUnitForTexture(e):-1,e.activate=()=>{t._openGLRenderWindow.activateTexture(e),e.bind()},e.deactivate=()=>{t._openGLRenderWindow&&t._openGLRenderWindow.deactivateTexture(e)},e.releaseGraphicsResources=n=>{n&&t.handle&&(n.activateTexture(e),n.deactivateTexture(e),t.context.deleteTexture(t.handle),t.handle=0,t.numberOfDimensions=0,t.target=0,t.internalFormat=0,t.format=0,t.openGLDataType=0,t.components=0,t.width=0,t.height=0,t.depth=0,t.allocatedGPUMemoryInBytes=0),t.shaderProgram&&(t.shaderProgram.releaseGraphicsResources(n),t.shaderProgram=null)},e.bind=()=>{t.context.bindTexture(t.target,t.handle),t.autoParameters&&e.getMTime()>t.sendParametersTime.getMTime()&&e.sendParameters()},e.isBound=()=>{let e=!1;if(t.context&&t.handle){let n=0;t.target===t.context.TEXTURE_2D?n=t.context.TEXTURE_BINDING_2D:ls("impossible case"),e=t.context.getIntegerv(n)===t.handle}return e},e.sendParameters=()=>{t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_S,e.getOpenGLWrapMode(t.wrapS)),t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_T,e.getOpenGLWrapMode(t.wrapT)),t._openGLRenderWindow.getWebgl2()&&t.context.texParameteri(t.target,t.context.TEXTURE_WRAP_R,e.getOpenGLWrapMode(t.wrapR)),t.context.texParameteri(t.target,t.context.TEXTURE_MIN_FILTER,e.getOpenGLFilterMode(t.minificationFilter)),t.context.texParameteri(t.target,t.context.TEXTURE_MAG_FILTER,e.getOpenGLFilterMode(t.magnificationFilter)),t._openGLRenderWindow.getWebgl2()&&(t.context.texParameteri(t.target,t.context.TEXTURE_BASE_LEVEL,t.baseLevel),t.context.texParameteri(t.target,t.context.TEXTURE_MAX_LEVEL,t.maxLevel)),t.sendParametersTime.modified()},e.getInternalFormat=(n,r)=>(t._forceInternalFormat||(t.internalFormat=e.getDefaultInternalFormat(n,r)),t.internalFormat||as(`Unable to find suitable internal format for T=${n} NC= ${r}`),t.internalFormat),e.getDefaultInternalFormat=(e,n)=>{let r=0;return r=t._openGLRenderWindow.getDefaultTextureInternalFormat(e,n,t.oglNorm16Ext,t.useHalfFloat),r||(r||(as("Unsupported internal texture type!"),as(`Unable to find suitable internal format for T=${e} NC= ${n}`)),r)},e.setInternalFormat=n=>{t._forceInternalFormat=!0,n!==t.internalFormat&&(t.internalFormat=n,e.modified())},e.getFormat=(n,r)=>(t.format=e.getDefaultFormat(n,r),t.format),e.getDefaultFormat=(e,n)=>{if(t._openGLRenderWindow.getWebgl2())switch(n){case 1:return t.context.RED;case 2:return t.context.RG;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}else switch(n){case 1:return t.context.LUMINANCE;case 2:return t.context.LUMINANCE_ALPHA;case 3:default:return t.context.RGB;case 4:return t.context.RGBA}},e.resetFormatAndType=()=>{t.format=0,t.internalFormat=0,t._forceInternalFormat=!1,t.openGLDataType=0},e.getDefaultDataType=e=>{if(t._openGLRenderWindow.getWebgl2())switch(e){case is.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case t.oglNorm16Ext&&!t.useHalfFloat&&is.SHORT:return t.context.SHORT;case t.oglNorm16Ext&&!t.useHalfFloat&&is.UNSIGNED_SHORT:return t.context.UNSIGNED_SHORT;case t.useHalfFloat&&is.SHORT:case t.useHalfFloat&&is.UNSIGNED_SHORT:return t.context.HALF_FLOAT;case is.FLOAT:case is.VOID:default:return t.context.FLOAT}switch(e){case is.UNSIGNED_CHAR:return t.context.UNSIGNED_BYTE;case is.FLOAT:case is.VOID:default:if(t.context.getExtension("OES_texture_float")&&t.context.getExtension("OES_texture_float_linear"))return t.context.FLOAT;{const e=t.context.getExtension("OES_texture_half_float");if(e&&t.context.getExtension("OES_texture_half_float_linear"))return e.HALF_FLOAT_OES}return t.context.UNSIGNED_BYTE}},e.getOpenGLDataType=function(n){let r=arguments.length>1&&void 0!==arguments[1]&&arguments[1];return t.openGLDataType&&!r||(t.openGLDataType=e.getDefaultDataType(n)),t.openGLDataType},e.getShiftAndScale=()=>{let e=0,n=1;switch(t.openGLDataType){case t.context.BYTE:n=127.5,e=n-128;break;case t.context.UNSIGNED_BYTE:n=255,e=0;break;case t.context.SHORT:n=32767.5,e=n-32768;break;case t.context.UNSIGNED_SHORT:n=65536,e=0;break;case t.context.INT:n=2147483647.5,e=n-2147483648;break;case t.context.UNSIGNED_INT:n=4294967295,e=0;case t.context.FLOAT:}return{shift:e,scale:n}},e.getOpenGLFilterMode=e=>{switch(e){case os.NEAREST:return t.context.NEAREST;case os.LINEAR:return t.context.LINEAR;case os.NEAREST_MIPMAP_NEAREST:return t.context.NEAREST_MIPMAP_NEAREST;case os.NEAREST_MIPMAP_LINEAR:return t.context.NEAREST_MIPMAP_LINEAR;case os.LINEAR_MIPMAP_NEAREST:return t.context.LINEAR_MIPMAP_NEAREST;case os.LINEAR_MIPMAP_LINEAR:return t.context.LINEAR_MIPMAP_LINEAR;default:return t.context.NEAREST}},e.getOpenGLWrapMode=e=>{switch(e){case rs.CLAMP_TO_EDGE:return t.context.CLAMP_TO_EDGE;case rs.REPEAT:return t.context.REPEAT;case rs.MIRRORED_REPEAT:return t.context.MIRRORED_REPEAT;default:return t.context.CLAMP_TO_EDGE}},e.create2DFromRaw=function(i,a,s,l,u){let c=arguments.length>5&&void 0!==arguments[5]&&arguments[5];if(e.getOpenGLDataType(l,!0),e.getInternalFormat(l,s),e.getFormat(l,s),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=s,t.width=i,t.height=a,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=[u],p=n(l,d),f=r(p);return t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,c),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(l)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=f[0]&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,f[0])):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,f[0]),t.generateMipmap&&t.context.generateMipmap(t.target),c&&t.context.pixelStorei(t.context.UNPACK_FLIP_Y_WEBGL,!1),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*s*t._openGLRenderWindow.getDefaultTextureByteSize(l,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.createCubeFromRaw=(i,a,s,l,u)=>{if(e.getOpenGLDataType(l),e.getInternalFormat(l,s),e.getFormat(l,s),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_CUBE_MAP,t.components=s,t.width=i,t.height=a,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),t.maxLevel=u.length/6-1,e.createTexture(),e.bind();const c=r(n(l,u)),d=[];let p=t.width,f=t.height;for(let e=0;e=1&&i>=1;){let a=null;n<=t.maxLevel&&(a=d[6*n+e]),o(l)?null!=a&&t.context.texSubImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,0,0,r,i,t.format,t.openGLDataType,a):t.context.texImage2D(t.context.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,t.internalFormat,r,i,0,t.format,t.openGLDataType,a),n++,r/=2,i/=2}}return t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*s*t._openGLRenderWindow.getDefaultTextureByteSize(l,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.createDepthFromRaw=(n,r,i,a)=>(e.getOpenGLDataType(i),t.format=t.context.DEPTH_COMPONENT,t._openGLRenderWindow.getWebgl2()?i===is.FLOAT?t.internalFormat=t.context.DEPTH_COMPONENT32F:t.internalFormat=t.context.DEPTH_COMPONENT16:t.internalFormat=t.context.DEPTH_COMPONENT,t.internalFormat&&t.format&&t.openGLDataType?(t.target=t.context.TEXTURE_2D,t.components=1,t.width=n,t.height=r,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1),o(i)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=a&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,a)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,a),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(i,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0):(ss("Failed to determine texture parameters."),!1)),e.create2DFromImage=n=>{if(e.getOpenGLDataType(is.UNSIGNED_CHAR),e.getInternalFormat(is.UNSIGNED_CHAR,4),e.getFormat(is.UNSIGNED_CHAR,4),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_2D,t.components=4,t.depth=1,t.numberOfDimensions=2,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind(),t.context.pixelStorei(t.context.UNPACK_ALIGNMENT,1);const r=!(t._openGLRenderWindow.getWebgl2()||Pn(n.width)&&Pn(n.height)),i=document.createElement("canvas");i.width=r?In(n.width):n.width,i.height=r?In(n.height):n.height,t.width=i.width,t.height=i.height;const a=i.getContext("2d");a.translate(0,i.height),a.scale(1,-1),a.drawImage(n,0,0,n.width,n.height,0,0,i.width,i.height);const s=i;return o(is.UNSIGNED_CHAR)?(t.context.texStorage2D(t.target,1,t.internalFormat,t.width,t.height),null!=s&&t.context.texSubImage2D(t.target,0,0,0,t.width,t.height,t.format,t.openGLDataType,s)):t.context.texImage2D(t.target,0,t.internalFormat,t.width,t.height,0,t.format,t.openGLDataType,s),t.generateMipmap&&t.context.generateMipmap(t.target),t.allocatedGPUMemoryInBytes=t.width*t.height*t.depth*t.components*t._openGLRenderWindow.getDefaultTextureByteSize(is.UNSIGNED_CHAR,t.oglNorm16Ext,t.useHalfFloat),e.deactivate(),!0},e.create2DFilterableFromRaw=function(t,n,r,o,i){let a=arguments.length>5&&void 0!==arguments[5]&&arguments[5];return e.create2DFilterableFromDataArray(t,n,Wr.newInstance({numberOfComponents:r,dataType:o,values:i}),a)},e.create2DFilterableFromDataArray=function(t,n,r){let o=arguments.length>3&&void 0!==arguments[3]&&arguments[3];const{numComps:a,dataType:s,data:l}=i(r,o);e.create2DFromRaw(t,n,a,s,l)},e.create3DFromRaw=(i,a,s,l,u,c)=>{if(e.getOpenGLDataType(u),e.getInternalFormat(u,l),e.getFormat(u,l),!t.internalFormat||!t.format||!t.openGLDataType)return ss("Failed to determine texture parameters."),!1;t.target=t.context.TEXTURE_3D,t.components=l,t.width=i,t.height=a,t.depth=s,t.numberOfDimensions=3,t._openGLRenderWindow.activateTexture(e),e.createTexture(),e.bind();const d=r(n(u,[c],!0));return 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I=Math.floor(n/x),P=Math.floor(r/_);for(let e=0;e{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.getMaximumTextureSize=e=>e&&e.isCurrent()?e.getIntegerv(e.MAX_TEXTURE_SIZE):-1}const ds={_openGLRenderWindow:null,_forceInternalFormat:!1,context:null,handle:0,sendParametersTime:null,textureBuildTime:null,numberOfDimensions:0,target:0,format:0,openGLDataType:0,components:0,width:0,height:0,depth:0,autoParameters:!0,wrapS:rs.CLAMP_TO_EDGE,wrapT:rs.CLAMP_TO_EDGE,wrapR:rs.CLAMP_TO_EDGE,minificationFilter:os.NEAREST,magnificationFilter:os.NEAREST,minLOD:-1e3,maxLOD:1e3,baseLevel:0,maxLevel:1e3,generateMipmap:!1,useHalfFloat:!0,oglNorm16Ext:null,allocatedGPUMemoryInBytes:0};function ps(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ds,n),Tt.extend(e,t,n),t.sendParametersTime={},je(t.sendParametersTime,{mtime:0}),t.textureBuildTime={},je(t.textureBuildTime,{mtime:0}),qe(e,t,["format","openGLDataType"]),$e(e,t,["keyMatrixTime","minificationFilter","magnificationFilter","wrapS","wrapT","wrapR","generateMipmap","oglNorm16Ext"]),He(e,t,["width","height","volumeInfo","components","handle","target","allocatedGPUMemoryInBytes"]),Ze(0,t,["openGLRenderWindow"]),cs(e,t)}const fs=rt(ps,"vtkOpenGLTexture");var hs={newInstance:fs,extend:ps,...Za};Dt("vtkTexture",fs);var ms=function(e,t){e.replaceShaderCoincidentOffset=(n,r,o)=>{const i=e.getCoincidentParameters(r,o);if(i&&(0!==i.factor||0!==i.offset)){let e=n.Fragment;e=Ca.substitute(e,"//VTK::Coincident::Dec",["uniform float cfactor;","uniform float coffset;"]).result,t.context.getExtension("EXT_frag_depth")&&(0!==i.factor?(e=Ca.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepthEXT = gl_FragCoord.z + 0.000016*coffset;").result),t._openGLRenderWindow.getWebgl2()&&(0!==i.factor?(e=Ca.substitute(e,"//VTK::UniformFlow::Impl",["float cscale = length(vec2(dFdx(gl_FragCoord.z),dFdy(gl_FragCoord.z)));","//VTK::UniformFlow::Impl"],!1).result,e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + cfactor*cscale + 0.000016*coffset;").result):e=Ca.substitute(e,"//VTK::Depth::Impl","gl_FragDepth = gl_FragCoord.z + 0.000016*coffset;").result),n.Fragment=e}}},gs=function(e,t){e.applyShaderReplacements=(e,t,n)=>{let r=null;if(t&&(r=t.ShaderReplacements),r)for(let t=0;t{e.getReplacedShaderTemplate(n,r,o),t.lastRenderPassShaderReplacement=t.currentRenderPass?t.currentRenderPass.getShaderReplacement():null,t.lastRenderPassShaderReplacement&&t.lastRenderPassShaderReplacement(n);const i=t.renderable.getViewSpecificProperties().OpenGL;e.applyShaderReplacements(n,i,!0),e.replaceShaderValues(n,r,o),e.applyShaderReplacements(n,i)},e.getReplacedShaderTemplate=(n,r,o)=>{const i=t.renderable.getViewSpecificProperties().OpenGL;e.getShaderTemplate(n,r,o);let a=n.Vertex;if(i){const e=i.VertexShaderCode;void 0!==e&&""!==e&&(a=e)}n.Vertex=a;let s=n.Fragment;if(i){const e=i.FragmentShaderCode;void 0!==e&&""!==e&&(s=e)}n.Fragment=s;let l=n.Geometry;if(i){const e=i.GeometryShaderCode;void 0!==e&&(l=e)}n.Geometry=l}};let vs;function ys(e,t){t.classHierarchy.push("vtkAbstractTransform","vtkHomogeneousTransform","vtkTransform"),e.transformPoint=(e,n)=>(Yt(n,e,t.matrix),n),e.transformPoints=(e,n)=>{const r=new Float64Array(3),o=new Float64Array(3);for(let i=0;i{e.setPreMultiplyFlag(!0)},e.postMultiply=()=>{e.setPreMultiplyFlag(!1)},e.transformMatrix=(e,n)=>(t.preMultiplyFlag?y(n,t.matrix,e):y(n,e,t.matrix),n),e.transformMatrices=(e,n)=>{const r=new Float64Array(16),o=new Float64Array(16),i=t.preMultiplyFlag?()=>y(o,t.matrix,r):()=>y(o,r,t.matrix);for(let t=0;tvs({matrix:Or.invertMatrix(Array.from(t.matrix),[],4),preMultiplyFlag:t.preMultiplyFlag})}const bs={preMultiplyFlag:!1,matrix:[...un]};function xs(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,bs,n),gt.obj(e,t),gt.setGet(e,t,["preMultiplyFlag"]),gt.setGetArray(e,t,["matrix"],16),ys(e,t)}vs=gt.newInstance(xs,"vtkTransform");var _s={newInstance:vs,extend:xs};const Ts=0,{vtkErrorMacro:Ss}=vt;function ws(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function Cs(e,t,n){return t.identity(n),e.reduce(((e,n,r)=>0===r?n?t.copy(e,n):t.identity(e):n?t.multiply(e,e,n):e),n)}function As(e,t){t.classHierarchy.push("vtkOpenGLImageResliceMapper"),e.buildPass=n=>{if(n){t.currentRenderPass=null,t._openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const n=t._openGLRenderer.getRenderable();t._openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera()),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow)}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t._openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getInputData(),t.currentInput?(e.updateResliceGeometry(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r),e.invokeEvent({type:"EndEvent"})):Ss("No input!")},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),r.getProperty().getInterpolationType()===Ts?(t.openGLTexture.setMinificationFilter(Qa.NEAREST),t.openGLTexture.setMagnificationFilter(Qa.NEAREST),t.colorTexture.setMinificationFilter(Qa.NEAREST),t.colorTexture.setMagnificationFilter(Qa.NEAREST),t.pwfTexture.setMinificationFilter(Qa.NEAREST),t.pwfTexture.setMagnificationFilter(Qa.NEAREST)):(t.openGLTexture.setMinificationFilter(Qa.LINEAR),t.openGLTexture.setMagnificationFilter(Qa.LINEAR),t.colorTexture.setMinificationFilter(Qa.LINEAR),t.colorTexture.setMagnificationFilter(Qa.LINEAR),t.pwfTexture.setMinificationFilter(Qa.LINEAR),t.pwfTexture.setMagnificationFilter(Qa.LINEAR)),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const r=t.currentInput;if(!r)return;const o=r.getPointData()?.getScalars();if(!o)return;t._scalars!==o&&(t._openGLRenderWindow.releaseGraphicsResourcesForObject(t._scalars),t._scalars=o);const i=o.getNumberOfComponents();let a=`${r.getMTime()}A${o.getMTime()}`;const s=t._openGLRenderWindow.getGraphicsResourceForObject(o);if(s?.vtkObj&&s?.hash===a&&t.openGLTextureString===a)t.openGLTexture=s.vtkObj,t.openGLTextureString=s.hash;else{t.openGLTexture||(t.openGLTexture=hs.newInstance(),t.openGLTexture.setOpenGLRenderWindow(t._openGLRenderWindow));const e=r.getDimensions();t.openGLTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.openGLTexture.releaseGraphicsResources(t._openGLRenderWindow),t.openGLTexture.resetFormatAndType(),t.openGLTexture.create3DFilterableFromDataArray(e[0],e[1],e[2],o),t.openGLTextureString=a,o&&t._openGLRenderWindow.setGraphicsResourceForObject(o,t.openGLTexture,t.openGLTextureString)}const l=n.getProperty(),u=l.getIndependentComponents(),c=u?i:1,d=u?2*c:1,p=l.getRGBTransferFunction();a=ws(l,p,c);const f=t._openGLRenderWindow.getGraphicsResourceForObject(p);if(f?.vtkObj&&f?.hash===a&&t.colorTextureString===a)t.colorTexture=f.vtkObj,t.colorTextureString=f.hash;else{const e=1024,n=new Uint8Array(e*d*3);if(t.colorTexture||(t.colorTexture=hs.newInstance(),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow)),p){const r=new Float32Array(3*e);for(let t=0;t0){const e=t.resliceGeom.getPointData().getNormals();e?r.normals=e:Ss("Slab mode requested without normals")}t.tris.getCABO().createVBO(n,"polys",ua.SURFACE,r)}t.VBOBuildString=g,t.VBOBuildTime.modified()},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const i=n.getProgram();if(n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())){i.isUniformUsed("texture1")&&i.setUniformi("texture1",t.openGLTexture.getTextureUnit()),i.isAttributeUsed("vertexWC")&&(n.getVAO().addAttributeArray(i,n.getCABO(),"vertexWC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ss("Error setting vertexWC in shader VAO.")),i.isAttributeUsed("normalWC")&&(n.getVAO().addAttributeArray(i,n.getCABO(),"normalWC",n.getCABO().getNormalOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ss("Error setting normalWC in shader VAO.")),i.isUniformUsed("slabThickness")&&i.setUniformf("slabThickness",t.renderable.getSlabThickness()),i.isUniformUsed("spacing")&&i.setUniform3fv("spacing",t.currentInput.getSpacing()),i.isUniformUsed("slabType")&&i.setUniformi("slabType",t.renderable.getSlabType()),i.isUniformUsed("slabType")&&i.setUniformi("slabType",t.renderable.getSlabType()),i.isUniformUsed("slabTrapezoid")&&i.setUniformi("slabTrapezoid",t.renderable.getSlabTrapezoidIntegration());const e=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null;if(i.isUniformUsed("WCTCMatrix")){const n=t.currentInput,r=n.getDimensions();c(t.tmpMat4,n.getIndexToWorld()),x(t.tmpMat4,t.tmpMat4,r),m(t.tmpMat4,t.tmpMat4),e&&y(t.tmpMat4,t.tmpMat4,e),i.setUniformMatrix("WCTCMatrix",t.tmpMat4)}i.isUniformUsed("vboScaling")&&i.setUniform3fv("vboScaling",n.getCABO().getCoordScale()),n.getAttributeUpdateTime().modified()}if(t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),n.getProgram().isUniformUsed("coffset")){const t=e.getCoincidentParameters(r,o);n.getProgram().setUniformf("coffset",t.offset),n.getProgram().isUniformUsed("cfactor")&&n.getProgram().setUniformf("cfactor",t.factor)}},e.setCameraShaderParameters=(e,n,o)=>{const i=t._openGLCamera.getKeyMatrices(n),a=t._openGLImageSlice.getKeyMatrices(),s=e.getCABO().getCoordShiftAndScaleEnabled()?e.getCABO().getInverseShiftAndScaleMatrix():null,l=e.getProgram();l.isUniformUsed("MCPCMatrix")&&(f(t.tmpMat4),l.setUniformMatrix("MCPCMatrix",Cs([i.wcpc,a.mcwc,s],r,t.tmpMat4))),l.isUniformUsed("MCVCMatrix")&&(f(t.tmpMat4),l.setUniformMatrix("MCVCMatrix",Cs([i.wcvc,a.mcwc,s],r,t.tmpMat4)))},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),i=r.getProperty(),a=i.getOpacity();o.setUniformf("opacity",a);const s=t.openGLTexture.getComponents(),l=i.getIndependentComponents();if(l)for(let e=0;e{const o=t.openGLTexture.getComponents(),i=r.getProperty().getIndependentComponents(),a=t.renderable.getSlabThickness(),s=t.renderable.getSlabType(),l=t.renderable.getSlabTrapezoidIntegration();let u=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(u=!0),!(!u&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&0!==e.getProgram()?.getHandle()&&t.lastTextureComponents===o&&t.lastIndependentComponents===i&&t.lastSlabThickness===a&&t.lastSlabType===s&&t.lastSlabTrapezoidIntegration===l||(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=i,t.lastSlabThickness=a,t.lastSlabType=s,t.lastSlabTrapezoidIntegration=l,0))},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkImageResliceMapperVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\n// all variables that represent positions or directions have a suffix\n// indicating the coordinate system they are in. The possible values are\n// MC - Model coordinates\n// WC - World coordinates\n// VC - View coordinates\n// DC - Display coordinates\n// TC - Texture coordinates\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\nvoid main()\n{\n //VTK::PositionVC::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Picking::Impl\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkImageResliceMapperFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the gpu image mapper fragment shader\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n // VC position of this fragment. This should not branch/return/discard.\n //VTK::PositionVC::Impl\n\n // Place any calls that require uniform flow (e.g. dFdx) here.\n //VTK::UniformFlow::Impl\n\n // Set gl_FragDepth here (gl_FragCoord.z by default)\n //VTK::Depth::Impl\n\n // Early depth peeling abort:\n //VTK::DepthPeeling::PreColor\n\n //VTK::TCoord::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n\n //VTK::DepthPeeling::Impl\n\n //VTK::Picking::Impl\n\n // handle coincident offsets\n //VTK::Coincident::Impl\n\n //VTK::ZBuffer::Impl\n\n //VTK::RenderPassFragmentShader::Impl\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{if(e.replaceShaderTCoord(n,r,o),e.replaceShaderPositionVC(n,r,o),t.haveSeenDepthRequest){let e=n.Fragment;e=Ca.substitute(e,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,e=Ca.substitute(e,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result,n.Fragment=e}e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderTCoord=(e,n,r)=>{let o=e.Vertex;const i=e.Geometry;let a=e.Fragment;const s=t.renderable.getSlabThickness();o=Ca.substitute(o,"//VTK::TCoord::Dec",["uniform mat4 WCTCMatrix;","out vec3 fragTexCoord;"]).result,o=Ca.substitute(o,"//VTK::TCoord::Impl",["fragTexCoord = (WCTCMatrix * vertexWC).xyz;"]).result;const l=t.openGLTexture.getComponents(),u=r.getProperty().getIndependentComponents();let c=["in vec3 fragTexCoord;","uniform highp sampler3D texture1;","uniform mat4 WCTCMatrix;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;"];if(u){for(let e=1;e0&&(c=c.concat(["uniform vec3 spacing;","uniform float slabThickness;","uniform int slabType;","uniform int slabTrapezoid;","uniform vec3 vboScaling;"]),c=c.concat(["vec4 compositeValue(vec4 currVal, vec4 valToComp, int trapezoid)","{"," vec4 retVal = vec4(1.0);"," if (slabType == 0) // min"," {"," retVal = min(currVal, valToComp);"," }"," else if (slabType == 1) // max"," {"," retVal = max(currVal, valToComp);"," }"," else if (slabType == 3) // sum"," {"," retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); "," }"," else // mean"," {"," retVal = currVal + (trapezoid > 0 ? 0.5 * valToComp : valToComp); "," }"," return retVal;","}"])),a=Ca.substitute(a,"//VTK::TCoord::Dec",c).result;let d=["if (any(greaterThan(fragTexCoord, vec3(1.0))) || any(lessThan(fragTexCoord, vec3(0.0))))","{"," // set the background color and exit"," gl_FragData[0] = backgroundColor;"," return;","}","vec4 tvalue = texture(texture1, fragTexCoord);"];if(s>0&&(d=d.concat(["// Get the first and last samples","int numSlices = 1;","float scaling = min(min(spacing.x, spacing.y), spacing.z) * 0.5;","vec3 normalxspacing = scaling * normalWCVSOutput;","float distTraveled = length(normalxspacing);","int trapezoid = 0;","while (distTraveled < slabThickness * 0.5)","{"," distTraveled += length(normalxspacing);"," float fnumSlices = float(numSlices);"," if (distTraveled > slabThickness * 0.5)"," {"," // Before stepping outside the slab, sample at the boundaries"," normalxspacing = normalWCVSOutput * slabThickness * 0.5 / fnumSlices;"," trapezoid = slabTrapezoid;"," }"," vec3 fragTCoordNeg = (WCTCMatrix * vec4(vertexWCVSOutput.xyz - fnumSlices * normalxspacing * vboScaling, 1.0)).xyz;"," if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))"," {"," vec4 newVal = texture(texture1, fragTCoordNeg);"," tvalue = compositeValue(tvalue, newVal, trapezoid);"," numSlices += 1;"," }"," vec3 fragTCoordPos = (WCTCMatrix * vec4(vertexWCVSOutput.xyz + fnumSlices * normalxspacing * vboScaling, 1.0)).xyz;"," if (!any(greaterThan(fragTCoordNeg, vec3(1.0))) && !any(lessThan(fragTCoordNeg, vec3(0.0))))"," {"," vec4 newVal = texture(texture1, fragTCoordPos);"," tvalue = compositeValue(tvalue, newVal, trapezoid);"," numSlices += 1;"," }","}","// Finally, if slab type is *mean*, divide the sum by the numSlices","if (slabType == 2)","{"," tvalue = tvalue / float(numSlices);","}"])),u){const e=["r","g","b","a"];for(let t=0;t{let i=n.Vertex;const a=n.Geometry;let s=n.Fragment;const l=t.renderable.getSlabThickness();let u=["attribute vec4 vertexWC;"];u=u.concat([`//${e.getMTime()}${t.resliceGeomUpdateString}`]),l>0&&(u=u.concat(["attribute vec3 normalWC;","varying vec3 normalWCVSOutput;","varying vec4 vertexWCVSOutput;"])),i=Ca.substitute(i,"//VTK::PositionVC::Dec",u).result;let c=["gl_Position = MCPCMatrix * vertexWC;"];l>0&&(c=c.concat(["normalWCVSOutput = normalWC;","vertexWCVSOutput = vertexWC;"])),i=Ca.substitute(i,"//VTK::PositionVC::Impl",c).result,i=Ca.substitute(i,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;","uniform mat4 MCVCMatrix;"]).result;let d=[];l>0&&(d=d.concat(["varying vec3 normalWCVSOutput;","varying vec4 vertexWCVSOutput;"])),s=Ca.substitute(s,"//VTK::PositionVC::Dec",d).result,n.Vertex=i,n.Geometry=a,n.Fragment=s},e.updateResliceGeometry=()=>{let e="";const n=t.currentInput,r=n?.getBounds();let o=!0,a=2;const s=t.renderable.getSlicePolyData(),l=t.renderable.getSlicePlane();if(s)e=e.concat(`PolyData${s.getMTime()}`);else if(l){e=e.concat(`Plane${l.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`));const t=function(e,t,n,r,o,a,s,l,u){var c=new i(9);return c[0]=e,c[1]=void 0,c[2]=void 0,c[3]=void 0,c[4]=void 0,c[5]=void 0,c[6]=void 0,c[7]=void 0,c[8]=void 0,c}(n?.getDirection());se(t,t);const r=[...l.getNormal()];Jt(r,r,t),[o,a]=function(e){Or.normalize(e);const t=[0,0,0];for(let n=0;n<3;++n){Qt(t),t[n]=1;const r=Or.dot(e,t);if(r<-.999||r>.999)return[!0,n]}return[!1,2]}(r)}else{const o=Ii.newInstance();o.setNormal(0,0,1);let i=[0,1,0,1,0,1];n&&(i=r),o.setOrigin(i[0],i[2],.5*(i[5]+i[4])),t.renderable.setSlicePlane(o),e=e.concat(`Plane${l?.getMTime()}`),n&&(e=e.concat(`Image${n.getMTime()}`))}if(!t.resliceGeom||t.resliceGeomUpdateString!==e){if(s)t.resliceGeom||(t.resliceGeom=ji.newInstance()),t.resliceGeom.getPoints().setData(s.getPoints().getData(),3),t.resliceGeom.getPolys().setData(s.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(s.getPointData().getNormals());else if(l)if(o){const e=new Float32Array(12),r=n.worldToIndex(l.getOrigin(),[0,0,0]),o=[(a+1)%3,(a+2)%3].sort(),i=n.getDimensions(),s=[0,i[0]-1,0,i[1]-1,0,i[2]-1];let u=0;for(let t=0;t<2;++t)for(let n=0;n<2;++n)e[u+a]=r[a],e[u+o[0]]=s[2*o[0]+n],e[u+o[1]]=s[2*o[1]+t],u+=3;t.transform.setMatrix(n.getIndexToWorld()),t.transform.transformPoints(e,e);const c=new Uint16Array(8);c[0]=3,c[1]=0,c[2]=1,c[3]=3,c[4]=3,c[5]=0,c[6]=3,c[7]=2;const d=l.getNormal();Or.normalize(d);const p=new Float32Array(12);for(let e=0;e<4;++e)p[3*e]=d[0],p[3*e+1]=d[1],p[3*e+2]=d[2];t.resliceGeom||(t.resliceGeom=ji.newInstance()),t.resliceGeom.getPoints().setData(e,3),t.resliceGeom.getPolys().setData(c,1);const f=Wr.newInstance({numberOfComponents:3,values:p,name:"Normals"});t.resliceGeom.getPointData().setNormals(f)}else{t.outlineFilter.setInputData(n),t.cutter.setInputConnection(t.outlineFilter.getOutputPort()),t.cutter.setCutFunction(l),t.lineToSurfaceFilter.setInputConnection(t.cutter.getOutputPort()),t.lineToSurfaceFilter.update(),t.resliceGeom||(t.resliceGeom=ji.newInstance());const e=t.lineToSurfaceFilter.getOutputData();t.resliceGeom.getPoints().setData(e.getPoints().getData(),3),t.resliceGeom.getPolys().setData(e.getPolys().getData(),1),t.resliceGeom.getPointData().setNormals(e.getPointData().getNormals());const r=l.getNormal(),o=t.resliceGeom.getNumberOfPoints();Or.normalize(r);const i=new Float32Array(3*o);for(let e=0;e{e&&(t.openGLTexture=e,t._externalOpenGLTexture=!0)}}const Es={VBOBuildTime:{},VBOBuildString:null,haveSeenDepthRequest:!1,lastHaveSeenDepthRequest:!1,lastIndependentComponents:!1,lastTextureComponents:0,lastSlabThickness:0,lastSlabTrapezoidIntegration:0,lastSlabType:-1,openGLTexture:null,openGLTextureString:null,colorTextureString:null,pwfTextureString:null,resliceGeom:null,resliceGeomUpdateString:null,tris:null,colorTexture:null,pwfTexture:null,_externalOpenGLTexture:!1,_scalars:null};const Ds=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Es,n),Tt.extend(e,t,n),ms(e,t,n),gs(e,t,n),t.tris=Ra.newInstance(),t.openGLTexture=null,t.colorTexture=null,t.pwfTexture=null,t.VBOBuildTime={},je(t.VBOBuildTime),t.tmpMat4=f(new Float64Array(16)),t.outlineFilter=Ya.newInstance(),t.outlineFilter.setGenerateFaces(!0),t.outlineFilter.setGenerateLines(!1),t.cubePolyData=ji.newInstance(),t.cutter=ea.newInstance(),t.lineToSurfaceFilter=$i.newInstance(),t.transform=_s.newInstance(),He(e,t,["openGLTexture"]),As(e,t)}),"vtkOpenGLImageResliceMapper");Dt("vtkImageResliceMapper",Ds);var Is={SlicingMode:{NONE:-1,I:0,J:1,K:2,X:3,Y:4,Z:5}},Ps="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexMC;\n\n// frag position in VC\n//VTK::PositionVC::Dec\n\n// optional normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// material property values\n//VTK::Color::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// camera and actor matrix values\n//VTK::Camera::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// picking support\n//VTK::Picking::Dec\n\nvoid main()\n{\n //VTK::Color::Impl\n\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Clip::Impl\n\n //VTK::PrimID::Impl\n\n //VTK::PositionVC::Impl\n\n //VTK::Light::Impl\n\n //VTK::Picking::Impl\n}\n",Os="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the polydata mappers fragment shader\n\nuniform int PrimitiveIDOffset;\n\n// VC position of this fragment\n//VTK::PositionVC::Dec\n\n// optional color passed in from the vertex shader, vertexColor\n//VTK::Color::Dec\n\n// optional surface normal declaration\n//VTK::Normal::Dec\n\n// extra lighting parameters\n//VTK::Light::Dec\n\n// define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n// Texture coordinates\n//VTK::TCoord::Dec\n\n// picking support\n//VTK::Picking::Dec\n\n// Depth Peeling Support\n//VTK::DepthPeeling::Dec\n\n// clipping plane vars\n//VTK::Clip::Dec\n\n// label outline \n//VTK::LabelOutline::Dec\n\n// the output of this shader\n//VTK::Output::Dec\n\n// Apple Bug\n//VTK::PrimID::Dec\n\n// handle coincident offsets\n//VTK::Coincident::Dec\n\n//VTK::ZBuffer::Dec\n\n//VTK::LabelOutlineHelperFunction\n\nvoid main()\n{\n // VC position of this fragment. This should not branch/return/discard.\n //VTK::PositionVC::Impl\n\n // Place any calls that require uniform flow (e.g. dFdx) here.\n //VTK::UniformFlow::Impl\n\n // Set gl_FragDepth here (gl_FragCoord.z by default)\n //VTK::Depth::Impl\n\n // Early depth peeling abort:\n //VTK::DepthPeeling::PreColor\n\n // Apple Bug\n //VTK::PrimID::Impl\n\n //VTK::Clip::Impl\n\n //VTK::Color::Impl\n\n // Generate the normal if we are not passed in one\n //VTK::Normal::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::Light::Impl\n\n if (gl_FragData[0].a <= 0.0)\n {\n discard;\n }\n\n //VTK::DepthPeeling::Impl\n\n //VTK::Picking::Impl\n\n // handle coincident offsets\n //VTK::Coincident::Impl\n\n //VTK::ZBuffer::Impl\n\n //VTK::RenderPassFragmentShader::Impl\n}\n";const{vtkErrorMacro:Ns}=vt,{SlicingMode:Ms}=Is;function Rs(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function Fs(e){const t=e.split("\n"),n=[];for(let e=0;e0&&n.push(r)}return n}function ks(e,t){t.classHierarchy.push("vtkOpenGLImageMapper"),e.buildPass=n=>{if(n){t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow);const n=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(n.getActiveCamera()),t.renderable.isA("vtkImageMapper")&&t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(n.getActiveCamera())}},e.translucentPass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.zBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.opaqueZBufferPass=t=>e.zBufferPass(t),e.opaquePass=t=>{t&&e.render()},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.getShaderTemplate=(e,t,n)=>{e.Vertex=Ps,e.Fragment=Os,e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let i=n.Vertex,a=n.Fragment;i=Ca.substitute(i,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,i=Ca.substitute(i,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result,i=Ca.substitute(i,"//VTK::TCoord::Impl","tcoordVCVSOutput = tcoordMC;").result,i=Ca.substitute(i,"//VTK::TCoord::Dec","attribute vec2 tcoordMC; varying vec2 tcoordVCVSOutput;").result;const s=t.openGLTexture.getComponents(),l=o.getProperty().getIndependentComponents();let u=["varying vec2 tcoordVCVSOutput;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;","uniform sampler2D texture1;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform sampler2D labelOutlineTexture1;","uniform float opacity;","uniform float outlineOpacity;"];if(l){for(let e=1;e 0.01) {\n for (int i = -actualThickness; i <= actualThickness; i++) {\n for (int j = -actualThickness; j <= actualThickness; j++) {\n if (i == 0 || j == 0) {\n continue;\n }\n vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n gl_FragCoord.y + float(j),\n gl_FragCoord.z, gl_FragCoord.w);\n vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n float value = texture2D(texture1, neighborPosIS.xy).r;\n if (value != centerValue) {\n pixelOnBorder = true;\n break;\n }\n }\n if (pixelOnBorder == true) {\n break;\n }\n }\n if (pixelOnBorder == true) {\n gl_FragData[0] = vec4(tColor, outlineOpacity);\n }\n else {\n gl_FragData[0] = vec4(tColor, opacityToUse);\n }\n }\n #else\n float intensity = texture2D(texture1, tcoordVCVSOutput).r;\n vec3 tcolor = texture2D(colorTexture1, vec2(intensity * cscale0 + cshift0, 0.5)).rgb;\n float scalarOpacity = texture2D(pwfTexture1, vec2(intensity * pwfscale0 + pwfshift0, 0.5)).r;\n gl_FragData[0] = vec4(tcolor, scalarOpacity * opacity);\n #endif\n ")]).result;break;case 2:a=Ca.substitute(a,"//VTK::TCoord::Impl",["vec4 tcolor = texture2D(texture1, tcoordVCVSOutput);","float intensity = tcolor.r*cscale0 + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(intensity, 0.5)).rgb, pwfscale0*tcolor.g + pwfshift0);"]).result;break;case 3:a=Ca.substitute(a,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, opacity);"]).result;break;default:a=Ca.substitute(a,"//VTK::TCoord::Impl",["vec4 tcolor = cscale0*texture2D(texture1, tcoordVCVSOutput.st) + cshift0;","gl_FragData[0] = vec4(texture2D(colorTexture1, vec2(tcolor.r,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.g,0.5)).r,"," texture2D(colorTexture1, vec2(tcolor.b,0.5)).r, tcolor.a);"]).result}t.haveSeenDepthRequest&&(a=Ca.substitute(a,"//VTK::ZBuffer::Dec","uniform int depthRequest;").result,a=Ca.substitute(a,"//VTK::ZBuffer::Impl",["if (depthRequest == 1) {","float iz = floor(gl_FragCoord.z*65535.0 + 0.1);","float rf = floor(iz/256.0)/255.0;","float gf = mod(iz,256.0)/255.0;","gl_FragData[0] = vec4(rf, gf, 0.0, 1.0); }"]).result),n.Vertex=i,n.Fragment=a,e.replaceShaderClip(n,r,o),e.replaceShaderCoincidentOffset(n,r,o)},e.replaceShaderClip=(e,n,r)=>{let o=e.Vertex,i=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(Ce("OpenGL has a limit of 6 clipping planes"),e=6),o=Ca.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=Ca.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,i=Ca.substitute(i,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,i=Ca.substitute(i,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=i},e.getNeedToRebuildShaders=(e,n,r)=>{const o=t.openGLTexture.getComponents(),i=r.getProperty().getIndependentComponents();let a=!1;return(!t.currentRenderPass&&t.lastRenderPassShaderReplacement||t.currentRenderPass&&t.currentRenderPass.getShaderReplacement()!==t.lastRenderPassShaderReplacement)&&(a=!0),!(!a&&t.lastHaveSeenDepthRequest===t.haveSeenDepthRequest&&0!==e.getProgram()?.getHandle()&&t.lastTextureComponents===o&&t.lastIndependentComponents===i||(t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=i,0))},e.updateShaders=(n,r,o)=>{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Ns("Error setting vertexMC in shader VAO.")),n.getProgram().isAttributeUsed("tcoordMC")&&n.getCABO().getTCoordOffset()&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"tcoordMC",n.getCABO().getTCoordOffset(),n.getCABO().getStride(),t.context.FLOAT,n.getCABO().getTCoordComponents(),t.context.FALSE)||Ns("Error setting tcoordMC in shader VAO.")),n.getAttributeUpdateTime().modified());const i=t.openGLTexture.getTextureUnit();n.getProgram().setUniformi("texture1",i);const a=t.openGLTexture.getComponents(),s=o.getProperty().getIndependentComponents();if(s)for(let e=0;e6&&(Ce("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,i=r?c(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(h(i,i),y(i,i,r),h(i,i)),h(t.imagemat,t.currentInput.getIndexToWorld()),y(t.imagematinv,i,t.imagemat);const a=[];for(let n=0;n{const i=n.getProgram(),a=t.openGLImageSlice.getKeyMatrices(),s=t.currentInput,l=s.getIndexToWorld();y(t.imagemat,a.mcwc,l);const u=t.openGLCamera.getKeyMatrices(r);if(y(t.imagemat,u.wcpc,t.imagemat),n.getCABO().getCoordShiftAndScaleEnabled()){const e=n.getCABO().getInverseShiftAndScaleMatrix();y(t.imagemat,t.imagemat,e)}if(i.setUniformMatrix("MCPCMatrix",t.imagemat),!0===o.getProperty().getUseLabelOutline()){const n=s.getWorldToIndex(),o=s.getDimensions();i.setUniform3i("imageDimensions",o[0],o[1],1),i.setUniformMatrix("vWCtoIDX",n);const a=t.openGLCamera.getKeyMatrices(r);m(t.projectionToWorld,a.wcpc),t.openGLCamera.getKeyMatrices(r),i.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const l=e.getRenderTargetSize();i.setUniformf("vpWidth",l[0]),i.setUniformf("vpHeight",l[1]);const u=e.getRenderTargetOffset();i.setUniformf("vpOffsetX",u[0]/l[0]),i.setUniformf("vpOffsetY",u[1]/l[1])}},e.setPropertyShaderParameters=(e,t,n)=>{const r=e.getProgram(),o=n.getProperty().getOpacity();r.setUniformf("opacity",o)},e.renderPieceStart=(n,r)=>{e.updateBufferObjects(n,r),t.lastBoundBO=null},e.renderPieceDraw=(n,r)=>{const o=t.context;t.openGLTexture.activate(),t.colorTexture.activate(),t.labelOutlineThicknessTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.openGLTexture.deactivate(),t.colorTexture.deactivate(),t.labelOutlineThicknessTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getCurrentImage(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):Ns("No input!")},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():yr(t.bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const o=t.currentInput;if(!o)return;const i=o.getPointData()&&o.getPointData().getScalars();if(!i)return;const a=i.getDataType(),s=i.getNumberOfComponents(),l=r.getProperty(),u=l.getInterpolationType(),c=l.getIndependentComponents(),d=c?s:1,p=c?2*d:1,f=l.getRGBTransferFunction(),h=Rs(l,f,d),m=t._openGLRenderWindow.getGraphicsResourceForObject(f);if(m?.vtkObj&&m?.hash===h&&t.colorTextureString===h)t.colorTexture=m.vtkObj,t.colorTextureString=m.hash;else{const e=1024,n=new Uint8Array(e*p*3);if(t.colorTexture||(t.colorTexture=hs.newInstance({resizable:!0}),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow)),u===Ts?(t.colorTexture.setMinificationFilter(Qa.NEAREST),t.colorTexture.setMagnificationFilter(Qa.NEAREST)):(t.colorTexture.setMinificationFilter(Qa.LINEAR),t.colorTexture.setMagnificationFilter(Qa.LINEAR)),f){const r=new Float32Array(3*e);for(let t=0;t1?1:0;const d=[Ms.X,Ms.Y,Ms.Z].includes(t.renderable.getSlicingMode())?x:_,p=o.getSpatialExtent(),f=i.getData();let h=null;if(b===Ms.I){h=new f.constructor(e[2]*e[1]*s);let t=0;for(let n=0;n{t.labelOutlineThicknessTexture||(t.labelOutlineThicknessTexture=hs.newInstance({resizable:!1}),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow));const n=e.getProperty().getLabelOutlineThickness(),r=t._openGLRenderWindow.getGraphicsResourceForObject(n),o=`${n.join("-")}`;if(r?.vtkObj&&r?.hash===o&&t.labelOutlineThicknessTextureString===o)t.labelOutlineThicknessTexture=r.vtkObj,t.labelOutlineThicknessTextureString=r.hash;else{const e=1024,r=1,i=new Uint8Array(e*r);for(let t=0;t{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]}}const Ls={VBOBuildTime:0,VBOBuildString:null,openGLTexture:null,tris:null,imagemat:null,imagematinv:null,colorTexture:null,pwfTexture:null,labelOutlineThicknessTexture:null,labelOutlineThicknessTextureString:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,_scalars:null};const Bs=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ls,n),Tt.extend(e,t,n),ms(e,t,n),gs(e,t,n),t.tris=Ra.newInstance(),t.imagemat=f(new Float64Array(16)),t.imagematinv=f(new Float64Array(16)),t.projectionToWorld=f(new Float64Array(16)),t.idxToView=f(new Float64Array(16)),t.idxNormalMatrix=ae(new Float64Array(9)),t.modelToView=f(new Float64Array(16)),t.projectionToView=f(new Float64Array(16)),$e(e,t,[]),t.VBOBuildTime={},je(t.VBOBuildTime),ks(e,t)}),"vtkOpenGLImageMapper");Dt("vtkAbstractImageMapper",Bs);const{vtkErrorMacro:Vs}=gt;function Us(e,t,n){if(t.apply(e)){const t=e.getIndependentComponents();return`${e.getMTime()}-${t}-${n}`}return"0"}function Gs(e,t){t.classHierarchy.push("vtkOpenGLImageCPRMapper"),e.buildPass=n=>{n&&(t.currentRenderPass=null,t.openGLImageSlice=e.getFirstAncestorOfType("vtkOpenGLImageSlice"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent(),t.context=t._openGLRenderWindow.getContext(),t.openGLCamera=t._openGLRenderer.getViewNodeFor(t._openGLRenderer.getRenderable().getActiveCamera()),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.volumeTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.pwfTexture.setOpenGLRenderWindow(t._openGLRenderWindow))},e.opaquePass=(n,r)=>{n&&(t.currentRenderPass=r,e.render())},e.opaqueZBufferPass=n=>{n&&(t.haveSeenDepthRequest=!0,t.renderDepth=!0,e.render(),t.renderDepth=!1)},e.getCoincidentParameters=(e,n)=>t.renderable.getResolveCoincidentTopology()?t.renderable.getCoincidentTopologyPolygonOffsetParameters():null,e.render=()=>{const n=t.openGLImageSlice.getRenderable(),r=t._openGLRenderer.getRenderable();e.renderPiece(r,n)},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),e.invokeEvent({type:"EndEvent"}),t.renderable.preRenderCheck()&&(t.currentImageDataInput=t.renderable.getInputData(0),t.currentCenterlineInput=t.renderable.getOrientedCenterline(),e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r))},e.renderPieceStart=(t,n)=>{e.updateBufferObjects(t,n)},e.renderPieceDraw=(n,r)=>{const o=t.context;t.volumeTexture.activate(),t.colorTexture.activate(),t.pwfTexture.activate(),t.tris.getCABO().getElementCount()&&(e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release()),t.volumeTexture.deactivate(),t.colorTexture.deactivate(),t.pwfTexture.deactivate()},e.renderPieceFinish=(e,t)=>{},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>{const o=t.VBOBuildTime.getMTime();return o{const r=t.currentImageDataInput,o=t.currentCenterlineInput;n.getProperty().getInterpolationType()===Ts?(t.volumeTexture.setMinificationFilter(Qa.NEAREST),t.volumeTexture.setMagnificationFilter(Qa.NEAREST),t.colorTexture.setMinificationFilter(Qa.NEAREST),t.colorTexture.setMagnificationFilter(Qa.NEAREST),t.pwfTexture.setMinificationFilter(Qa.NEAREST),t.pwfTexture.setMagnificationFilter(Qa.NEAREST)):(t.volumeTexture.setMinificationFilter(Qa.LINEAR),t.volumeTexture.setMagnificationFilter(Qa.LINEAR),t.colorTexture.setMinificationFilter(Qa.LINEAR),t.colorTexture.setMagnificationFilter(Qa.LINEAR),t.pwfTexture.setMinificationFilter(Qa.LINEAR),t.pwfTexture.setMagnificationFilter(Qa.LINEAR));const i=r.getMTime();if(t.volumeTextureTime!==i){const e=r.getDimensions(),n=r.getPointData().getScalars();if(!n)return;t.volumeTexture.setOglNorm16Ext(t.context.getExtension("EXT_texture_norm16")),t.volumeTexture.releaseGraphicsResources(t._openGLRenderWindow),t.volumeTexture.resetFormatAndType(),t.volumeTexture.create3DFilterableFromRaw(e[0],e[1],e[2],n.getNumberOfComponents(),n.getDataType(),n.getData(),t.renderable.getPreferSizeOverAccuracy()),t.volumeTextureTime=i}const a=r.getPointData()&&r.getPointData().getScalars();if(!a)return;const s=a.getNumberOfComponents(),l=n.getProperty(),u=l.getIndependentComponents(),c=u?s:1,d=u?2*c:1,p=Us(l,l.getRGBTransferFunction,c);if(t.colorTextureString!==p){const e=1024,n=new Uint8Array(e*d*3);let r=l.getRGBTransferFunction();if(r){const o=new Float32Array(3*e);for(let t=0;t{const o=t.volumeTexture.getComponents(),i=r.getProperty().getIndependentComponents(),a=!!t.renderable.getCenterPoint(),s=t.renderable.getUseUniformOrientation();return(0===e.getProgram()||t.lastUseCenterPoint!==a||t.lastUseUniformOrientation!==s||t.lastHaveSeenDepthRequest!==t.haveSeenDepthRequest||t.lastTextureComponents!==o||t.lastIndependentComponents!==i)&&(t.lastUseCenterPoint=a,t.lastUseUniformOrientation=s,t.lastHaveSeenDepthRequest=t.haveSeenDepthRequest,t.lastTextureComponents=o,t.lastIndependentComponents=i,!0)},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.replaceShaderValues=(n,r,o)=>{let i=n.Vertex,a=n.Fragment;i=Ca.substitute(i,"//VTK::Camera::Dec",["uniform mat4 MCPCMatrix;"]).result,i=Ca.substitute(i,"//VTK::PositionVC::Impl",[" gl_Position = MCPCMatrix * vertexMC;"]).result;const s=["attribute vec3 centerlinePosition;","attribute float quadIndex;","uniform float width;","out vec2 quadOffsetVSOutput;","out vec3 centerlinePosVSOutput;"],l=t.renderable.getUseUniformOrientation();l?s.push("out vec3 centerlineDirVSOutput;","uniform vec3 centerlineDirection;"):s.push("out vec3 centerlineTopDirVSOutput;","out vec3 centerlineBotDirVSOutput;","out float centerlineAngleVSOutput;","attribute vec3 centerlineTopDirection;","attribute vec3 centerlineBotDirection;"),i=Ca.substitute(i,"//VTK::Color::Dec",s).result;const u=["quadOffsetVSOutput = vec2(width * (mod(quadIndex, 2.0) == 0.0 ? -0.5 : 0.5), quadIndex > 1.0 ? 0.0 : 1.0);","centerlinePosVSOutput = centerlinePosition;"];l?u.push("centerlineDirVSOutput = centerlineDirection;"):u.push("vec3 sumVec = centerlineTopDirection + centerlineBotDirection;","float sumLen2 = dot(sumVec, sumVec);","float diffLen2 = 4.0 - sumLen2;","if (diffLen2 < 0.001) {"," // vectors are too close to each other, use lerp"," centerlineAngleVSOutput = -1.0; // use negative angle as a flag for lerp"," centerlineTopDirVSOutput = centerlineTopDirection;"," centerlineBotDirVSOutput = centerlineBotDirection;","} else if (sumLen2 == 0.0) {"," // vector are opposite to each other, don't make a choice for the user"," // use slerp without direction, it will display the centerline color on each row of pixel"," centerlineAngleVSOutput = 0.0;"," centerlineTopDirVSOutput = vec3(0.0);"," centerlineBotDirVSOutput = vec3(0.0);","} else {"," // use slerp"," centerlineAngleVSOutput = 2.0 * atan(sqrt(diffLen2/sumLen2));"," float sinAngle = sin(centerlineAngleVSOutput);"," centerlineTopDirVSOutput = centerlineTopDirection / sinAngle;"," centerlineBotDirVSOutput = centerlineBotDirection / sinAngle;","}"),i=Ca.substitute(i,"//VTK::Color::Impl",u).result;const c=t.volumeTexture.getComponents(),d=o.getProperty().getIndependentComponents();let p=["uniform mat4 MCTCMatrix; // Model coordinates to texture coordinates","in vec2 quadOffsetVSOutput;","in vec3 centerlinePosVSOutput;","uniform highp sampler3D volumeTexture;","uniform sampler2D colorTexture1;","uniform sampler2D pwfTexture1;","uniform float opacity;","uniform vec4 backgroundColor;","uniform float cshift0;","uniform float cscale0;","uniform float pwfshift0;","uniform float pwfscale0;"];l?p.push("in vec3 centerlineDirVSOutput;"):p.push("in vec3 centerlineTopDirVSOutput;","in vec3 centerlineBotDirVSOutput;","in float centerlineAngleVSOutput;");const f=t.renderable.getCenterPoint();if(f&&p.push("uniform vec3 globalCenterPoint;"),d){for(let e=1;e{let o=e.Vertex,i=e.Fragment;if(t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(gt.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6),o=Ca.substitute(o,"//VTK::Clip::Dec",["uniform int numClipPlanes;","uniform vec4 clipPlanes[6];","varying float clipDistancesVSOutput[6];"]).result,o=Ca.substitute(o,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," clipDistancesVSOutput[planeNum] = dot(clipPlanes[planeNum], vertexMC);"," }"]).result,i=Ca.substitute(i,"//VTK::Clip::Dec",["uniform int numClipPlanes;","varying float clipDistancesVSOutput[6];"]).result,i=Ca.substitute(i,"//VTK::Clip::Impl",["for (int planeNum = 0; planeNum < 6; planeNum++)"," {"," if (planeNum >= numClipPlanes)"," {"," break;"," }"," if (clipDistancesVSOutput[planeNum] < 0.0) discard;"," }"]).result}e.Vertex=o,e.Fragment=i},e.getShaderTemplate=(e,t,n)=>{e.Vertex=Ps,e.Fragment=Os,e.Geometry=""},e.setMapperShaderParameters=(n,r,o)=>{n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(n.getProgram().isAttributeUsed("vertexMC")&&(n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),"vertexMC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||Vs("Error setting vertexMC in shader VAO.")),n.getCABO().getCustomData().forEach((e=>{e&&n.getProgram().isAttributeUsed(e.name)&&!n.getVAO().addAttributeArray(n.getProgram(),n.getCABO(),e.name,e.offset,n.getCABO().getStride(),t.context.FLOAT,e.components,t.context.FALSE)&&Vs(`Error setting ${e.name} in shader VAO.`)})),n.getAttributeUpdateTime().modified());const i=t.volumeTexture.getTextureUnit();if(n.getProgram().setUniformi("volumeTexture",i),n.getProgram().setUniformf("width",t.renderable.getWidth()),n.getProgram().setUniform4f("backgroundColor",...t.renderable.getBackgroundColor()),n.getProgram().isUniformUsed("centerlineDirection")){const e=t.renderable.getUniformDirection();n.getProgram().setUniform3fArray("centerlineDirection",e)}if(n.getProgram().isUniformUsed("globalCenterPoint")){const e=t.renderable.getCenterPoint();n.getProgram().setUniform3fArray("globalCenterPoint",e)}const a=t.currentImageDataInput,s=a.getWorldToIndex(),l=A(new Float32Array(16),Xt([],a.getDimensions())),u=re(l,l,s);if(n.getProgram().setUniformMatrix("MCTCMatrix",u),t.haveSeenDepthRequest&&n.getProgram().setUniformi("depthRequest",t.renderDepth?1:0),t.renderable.getNumberOfClippingPlanes()){let e=t.renderable.getNumberOfClippingPlanes();e>6&&(gt.vtkErrorMacro("OpenGL has a limit of 6 clipping planes"),e=6);const r=n.getCABO().getCoordShiftAndScaleEnabled()?n.getCABO().getInverseShiftAndScaleMatrix():null,i=r?c(t.imagematinv,o.getMatrix()):o.getMatrix();r&&(h(i,i),y(i,i,r),h(i,i)),h(t.imagemat,t.currentImageDataInput.getIndexToWorld()),y(t.imagematinv,i,t.imagemat);const a=[];for(let n=0;n{const o=t.openGLImageSlice.getKeyMatrices().mcwc,i=t.openGLCamera.getKeyMatrices(n).wcpc;if(y(t.imagemat,i,o),e.getCABO().getCoordShiftAndScaleEnabled()){const n=e.getCABO().getInverseShiftAndScaleMatrix();y(t.imagemat,t.imagemat,n)}e.getProgram().setUniformMatrix("MCPCMatrix",t.imagemat)},e.setPropertyShaderParameters=(e,n,r)=>{const o=e.getProgram(),i=r.getProperty(),a=i.getOpacity();o.setUniformf("opacity",a);const s=t.volumeTexture.getComponents(),l=i.getIndependentComponents();if(l)for(let e=0;e{if(e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o)}}const zs={currentRenderPass:null,volumeTexture:null,volumeTextureTime:0,colorTexture:null,colorTextureString:null,pwfTexture:null,pwfTextureString:null,tris:null,lastHaveSeenDepthRequest:!1,haveSeenDepthRequest:!1,lastTextureComponents:0,lastIndependentComponents:0,imagemat:null,imagematinv:null};const js=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,zs,n),Tt.extend(e,t,n),ms(e,t,n),gt.algo(e,t,2,0),t.tris=Ra.newInstance(),t.volumeTexture=hs.newInstance(),t.colorTexture=hs.newInstance(),t.pwfTexture=hs.newInstance(),t.imagemat=f(new Float64Array(16)),t.imagematinv=f(new Float64Array(16)),t.VBOBuildTime={},gt.obj(t.VBOBuildTime,{mtime:0}),Gs(e,t)}),"vtkOpenGLImageCPRMapper");function Ws(e,t){t.classHierarchy.push("vtkOpenGLImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes()}},e.traverseZBufferPass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseOpaqueZBufferPass=t=>e.traverseOpaquePass(t),e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t._openGLRenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.zBufferPass=(t,n)=>e.opaquePass(t,n),e.opaqueZBufferPass=(t,n)=>e.opaquePass(t,n),e.opaquePass=(e,n)=>{e&&t.context.depthMask(!0)},e.translucentPass=(e,n)=>{t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(c(t.keyMatrices.mcwc,t.renderable.getMatrix()),h(t.keyMatrices.mcwc,t.keyMatrices.mcwc),t.keyMatrixTime.modified()),t.keyMatrices)}Dt("vtkImageCPRMapper",js);const Hs={context:null,keyMatrixTime:null,keyMatrices:null};const Xs=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Hs,n),Tt.extend(e,t,n),t.keyMatrixTime={},je(t.keyMatrixTime,{mtime:0}),t.keyMatrices={mcwc:f(new Float64Array(16))},$e(e,t,["context"]),Ws(e,t)}),"vtkOpenGLImageSlice");function Ks(e,t){t.classHierarchy.push("vtkOpenGLVolume"),e.buildPass=n=>{t.renderable&&t.renderable.getVisibility()&&n&&(t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t.context=t._openGLRenderWindow.getContext(),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes())},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;n.incrementVolumeCount()}},e.traverseVolumePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&(!t._openGLRenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children[0].traverse(n),e.apply(n,!1))},e.volumePass=e=>{t.renderable&&t.renderable.getVisibility()&&t.context.depthMask(!e)},e.getKeyMatrices=()=>(t.renderable.getMTime()>t.keyMatrixTime.getMTime()&&(t.renderable.computeMatrix(),c(t.MCWCMatrix,t.renderable.getMatrix()),h(t.MCWCMatrix,t.MCWCMatrix),t.renderable.getIsIdentity()?ae(t.normalMatrix):(ie(t.normalMatrix,t.MCWCMatrix),se(t.normalMatrix,t.normalMatrix),function(e,t){if(e===t){var n=t[1],r=t[2],o=t[5];e[1]=t[3],e[2]=t[6],e[3]=n,e[5]=t[7],e[6]=r,e[7]=o}else e[0]=t[0],e[1]=t[3],e[2]=t[6],e[3]=t[1],e[4]=t[4],e[5]=t[7],e[6]=t[2],e[7]=t[5],e[8]=t[8]}(t.normalMatrix,t.normalMatrix)),t.keyMatrixTime.modified()),{mcwc:t.MCWCMatrix,normalMatrix:t.normalMatrix})}Dt("vtkImageSlice",Xs);const qs={};const $s=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,qs,n),Tt.extend(e,t,n),t.keyMatrixTime={},je(t.keyMatrixTime,{mtime:0}),t.normalMatrix=new Float64Array(9),t.MCWCMatrix=new Float64Array(16),$e(e,t,["context"]),Ks(e,t)}),"vtkOpenGLVolume");function Ys(e,t){t.classHierarchy.push("vtkFramebuffer"),e.getBothMode=()=>t.context.FRAMEBUFFER,e.saveCurrentBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.saveCurrentBindings(n),e.saveCurrentBuffers(n)},e.saveCurrentBindings=e=>{if(!t.context)return void Ce("you must set the OpenGLRenderWindow before calling saveCurrentBindings");const n=t.context;t.previousDrawBinding=n.getParameter(t.context.FRAMEBUFFER_BINDING),t.previousActiveFramebuffer=t._openGLRenderWindow.getActiveFramebuffer()},e.saveCurrentBuffers=e=>{},e.restorePreviousBindingsAndBuffers=t=>{const n=void 0!==t?t:e.getBothMode();e.restorePreviousBindings(n),e.restorePreviousBuffers(n)},e.restorePreviousBindings=e=>{if(!t.context)return void Ce("you must set the OpenGLRenderWindow before calling restorePreviousBindings");const n=t.context;n.bindFramebuffer(n.FRAMEBUFFER,t.previousDrawBinding),t._openGLRenderWindow.setActiveFramebuffer(t.previousActiveFramebuffer)},e.restorePreviousBuffers=e=>{},e.bind=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,r=n;null===r&&(r=t.context.FRAMEBUFFER),t.context.bindFramebuffer(r,t.glFramebuffer);for(let e=0;e{t.context?(t.glFramebuffer=t.context.createFramebuffer(),t.glFramebuffer.width=e,t.glFramebuffer.height=n):Ce("you must set the OpenGLRenderWindow before calling create")},e.setColorBuffer=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const r=t.context;if(!r)return void Ce("you must set the OpenGLRenderWindow before calling setColorBuffer");let o=r.COLOR_ATTACHMENT0;if(n>0){if(!t._openGLRenderWindow.getWebgl2())return void Ce("Using multiple framebuffer attachments requires WebGL 2");o+=n}t.colorBuffers[n]=e,r.framebufferTexture2D(r.FRAMEBUFFER,o,r.TEXTURE_2D,e.getHandle(),0)},e.removeColorBuffer=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;const n=t.context;if(!n)return void Ce("you must set the OpenGLRenderWindow before calling removeColorBuffer");let r=n.COLOR_ATTACHMENT0;if(e>0){if(!t._openGLRenderWindow.getWebgl2())return void Ce("Using multiple framebuffer attachments requires WebGL 2");r+=e}n.framebufferTexture2D(n.FRAMEBUFFER,r,n.TEXTURE_2D,null,0),t.colorBuffers=t.colorBuffers.splice(e,1)},e.setDepthBuffer=e=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const n=t.context;n.framebufferTexture2D(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.TEXTURE_2D,e.getHandle(),0)}else Ce("Attaching depth buffer textures to fbo requires WebGL 2");else Ce("you must set the OpenGLRenderWindow before calling setDepthBuffer")},e.removeDepthBuffer=()=>{if(t.context)if(t._openGLRenderWindow.getWebgl2()){const e=t.context;e.framebufferTexture2D(e.FRAMEBUFFER,e.DEPTH_ATTACHMENT,e.TEXTURE_2D,null,0)}else Ce("Attaching depth buffer textures to framebuffers requires WebGL 2");else Ce("you must set the OpenGLRenderWindow before calling removeDepthBuffer")},e.getGLFramebuffer=()=>t.glFramebuffer,e.setOpenGLRenderWindow=n=>{t._openGLRenderWindow!==n&&(e.releaseGraphicsResources(),t._openGLRenderWindow=n,t.context=null,n&&(t.context=t._openGLRenderWindow.getContext()))},e.releaseGraphicsResources=()=>{t.glFramebuffer&&t.context.deleteFramebuffer(t.glFramebuffer)},e.getSize=()=>{const e=[0,0];return null!==t.glFramebuffer&&(e[0]=t.glFramebuffer.width,e[1]=t.glFramebuffer.height),e},e.populateFramebuffer=()=>{if(!t.context)return void Ce("you must set the OpenGLRenderWindow before calling populateFrameBuffer");e.bind();const n=t.context,r=hs.newInstance();r.setOpenGLRenderWindow(t._openGLRenderWindow),r.setMinificationFilter(Qa.LINEAR),r.setMagnificationFilter(Qa.LINEAR),r.create2DFromRaw(t.glFramebuffer.width,t.glFramebuffer.height,4,on.UNSIGNED_CHAR,null),e.setColorBuffer(r),t.depthTexture=n.createRenderbuffer(),n.bindRenderbuffer(n.RENDERBUFFER,t.depthTexture),n.renderbufferStorage(n.RENDERBUFFER,n.DEPTH_COMPONENT16,t.glFramebuffer.width,t.glFramebuffer.height),n.framebufferRenderbuffer(n.FRAMEBUFFER,n.DEPTH_ATTACHMENT,n.RENDERBUFFER,t.depthTexture)},e.getColorTexture=()=>t.colorBuffers[0]}Dt("vtkVolume",$s);const Js={glFramebuffer:null,colorBuffers:null,depthTexture:null,previousDrawBinding:0,previousReadBinding:0,previousDrawBuffer:0,previousReadBuffer:0,previousActiveFramebuffer:null};function Qs(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Js,n),je(e,t),t.colorBuffers&&Ce("you cannot initialize colorBuffers through the constructor. You should call setColorBuffer() instead."),t.colorBuffers=[],Ye(e,t,["colorBuffers"]),Ys(e,t)}var Zs={newInstance:rt(Qs,"vtkFramebuffer"),extend:Qs};const el={NEAREST:0,LINEAR:1,FAST_LINEAR:2},tl={FRACTIONAL:0,PROPORTIONAL:1};var nl={InterpolationType:el,OpacityMode:tl};const rl={COMPOSITE_BLEND:0,MAXIMUM_INTENSITY_BLEND:1,MINIMUM_INTENSITY_BLEND:2,AVERAGE_INTENSITY_BLEND:3,ADDITIVE_INTENSITY_BLEND:4,RADON_TRANSFORM_BLEND:5};var ol={BlendMode:rl,FilterMode:{OFF:0,NORMALIZED:1,RAW:2}};const{vtkWarningMacro:il,vtkErrorMacro:al}=vt;function sl(e,t,n){if(t){const r=e.getIndependentComponents();return`${t.getMTime()}-${r}-${n}`}return"0"}function ll(e,t){t.classHierarchy.push("vtkOpenGLVolumeMapper"),e.buildPass=()=>{t.zBufferTexture=null},e.zBufferPass=(e,n)=>{if(e){const e=n.getZBufferTexture();e!==t.zBufferTexture&&(t.zBufferTexture=e)}},e.opaqueZBufferPass=(t,n)=>e.zBufferPass(t,n),e.volumePass=(n,r)=>{if(n){t._openGLRenderWindow=e.getFirstAncestorOfType("vtkOpenGLRenderWindow"),t.context=t._openGLRenderWindow.getContext(),t.tris.setOpenGLRenderWindow(t._openGLRenderWindow),t.jitterTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.scalarTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.colorTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.opacityTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.labelOutlineThicknessTexture.setOpenGLRenderWindow(t._openGLRenderWindow),t.openGLVolume=e.getFirstAncestorOfType("vtkOpenGLVolume");const n=t.openGLVolume.getRenderable();t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer");const r=t._openGLRenderer.getRenderable();t.openGLCamera=t._openGLRenderer.getViewNodeFor(r.getActiveCamera()),e.renderPiece(r,n)}},e.buildShaders=(t,n,r)=>{e.getShaderTemplate(t,n,r),e.replaceShaderValues(t,n,r)},e.getShaderTemplate=(e,t,n)=>{e.Vertex="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkPolyDataVS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n\nattribute vec4 vertexDC;\n\nvarying vec3 vertexVCVSOutput;\nuniform mat4 PCVCMatrix;\n\nuniform float dcxmin;\nuniform float dcxmax;\nuniform float dcymin;\nuniform float dcymax;\n\nvoid main()\n{\n // dcsmall is the device coords reduced to the\n // x y area covered by the volume\n vec4 dcsmall = vec4(\n dcxmin + 0.5 * (vertexDC.x + 1.0) * (dcxmax - dcxmin),\n dcymin + 0.5 * (vertexDC.y + 1.0) * (dcymax - dcymin),\n vertexDC.z,\n vertexDC.w);\n vec4 vcpos = PCVCMatrix * dcsmall;\n vertexVCVSOutput = vcpos.xyz/vcpos.w;\n gl_Position = dcsmall;\n}\n",e.Fragment="//VTK::System::Dec\n\n/*=========================================================================\n\n Program: Visualization Toolkit\n Module: vtkVolumeFS.glsl\n\n Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen\n All rights reserved.\n See Copyright.txt or http://www.kitware.com/Copyright.htm for details.\n\n This software is distributed WITHOUT ANY WARRANTY; without even\n the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n PURPOSE. See the above copyright notice for more information.\n\n=========================================================================*/\n// Template for the volume mappers fragment shader\n\n// the output of this shader\n//VTK::Output::Dec\n\nvarying vec3 vertexVCVSOutput;\n\n// first declare the settings from the mapper\n// that impact the code paths in here\n\n// always set vtkNumComponents 1,2,3,4\n//VTK::NumComponents\n\n// possibly define vtkTrilinearOn\n//VTK::TrilinearOn\n\n// possibly define vtkIndependentComponents\n//VTK::IndependentComponentsOn\n\n// possibly define any \"proportional\" components\n//VTK::vtkProportionalComponents\n\n// Define the blend mode to use\n#define vtkBlendMode //VTK::BlendMode\n\n// Possibly define vtkImageLabelOutlineOn\n//VTK::ImageLabelOutlineOn\n\n#ifdef vtkImageLabelOutlineOn\n\nuniform float outlineOpacity;\nuniform float vpWidth;\nuniform float vpHeight;\nuniform float vpOffsetX;\nuniform float vpOffsetY;\nuniform mat4 PCWCMatrix;\nuniform mat4 vWCtoIDX;\n#endif\n\n// define vtkLightComplexity\n//VTK::LightComplexity\n#if vtkLightComplexity > 0\nuniform float vSpecularPower;\nuniform float vAmbient;\nuniform float vDiffuse;\nuniform float vSpecular;\n//VTK::Light::Dec\n#endif\n\n//VTK::VolumeShadowOn\n//VTK::SurfaceShadowOn\n//VTK::localAmbientOcclusionOn\n//VTK::LAO::Dec\n//VTK::VolumeShadow::Dec\n\n// define vtkComputeNormalFromOpacity\n//VTK::vtkComputeNormalFromOpacity\n\n// possibly define vtkGradientOpacityOn\n//VTK::GradientOpacityOn\n#ifdef vtkGradientOpacityOn\nuniform float goscale0;\nuniform float goshift0;\nuniform float gomin0;\nuniform float gomax0;\n#if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\nuniform float goscale1;\nuniform float goshift1;\nuniform float gomin1;\nuniform float gomax1;\n#if vtkNumComponents >= 3\nuniform float goscale2;\nuniform float goshift2;\nuniform float gomin2;\nuniform float gomax2;\n#endif\n#if vtkNumComponents >= 4\nuniform float goscale3;\nuniform float goshift3;\nuniform float gomin3;\nuniform float gomax3;\n#endif\n#endif\n#endif\n\n// if you want to see the raw tiled\n// data in webgl1 uncomment the following line\n// #define debugtile\n\n// camera values\nuniform float camThick;\nuniform float camNear;\nuniform float camFar;\nuniform int cameraParallel;\n\n// values describing the volume geometry\nuniform vec3 vOriginVC;\nuniform vec3 vSpacing;\nuniform ivec3 volumeDimensions; // 3d texture dimensions\nuniform vec3 vPlaneNormal0;\nuniform float vPlaneDistance0;\nuniform vec3 vPlaneNormal1;\nuniform float vPlaneDistance1;\nuniform vec3 vPlaneNormal2;\nuniform float vPlaneDistance2;\nuniform vec3 vPlaneNormal3;\nuniform float vPlaneDistance3;\nuniform vec3 vPlaneNormal4;\nuniform float vPlaneDistance4;\nuniform vec3 vPlaneNormal5;\nuniform float vPlaneDistance5;\n\n//VTK::ClipPlane::Dec\n\n// opacity and color textures\nuniform sampler2D otexture;\nuniform float oshift0;\nuniform float oscale0;\nuniform sampler2D ctexture;\nuniform float cshift0;\nuniform float cscale0;\n\n// jitter texture\nuniform sampler2D jtexture;\nuniform sampler2D ttexture;\n\n\n// some 3D texture values\nuniform float sampleDistance;\nuniform vec3 vVCToIJK;\n\n// the heights defined below are the locations\n// for the up to four components of the tfuns\n// the tfuns have a height of 2XnumComps pixels so the\n// values are computed to hit the middle of the two rows\n// for that component\n#ifdef vtkIndependentComponentsOn\n#if vtkNumComponents == 2\nuniform float mix0;\nuniform float mix1;\n#define height0 0.25\n#define height1 0.75\n#endif\n#if vtkNumComponents == 3\nuniform float mix0;\nuniform float mix1;\nuniform float mix2;\n#define height0 0.17\n#define height1 0.5\n#define height2 0.83\n#endif\n#if vtkNumComponents == 4\nuniform float mix0;\nuniform float mix1;\nuniform float mix2;\nuniform float mix3;\n#define height0 0.125\n#define height1 0.375\n#define height2 0.625\n#define height3 0.875\n#endif\n#endif\n\n#if vtkNumComponents >= 2\nuniform float oshift1;\nuniform float oscale1;\nuniform float cshift1;\nuniform float cscale1;\n#endif\n#if vtkNumComponents >= 3\nuniform float oshift2;\nuniform float oscale2;\nuniform float cshift2;\nuniform float cscale2;\n#endif\n#if vtkNumComponents >= 4\nuniform float oshift3;\nuniform float oscale3;\nuniform float cshift3;\nuniform float cscale3;\n#endif\n\nuniform vec4 ipScalarRangeMin;\nuniform vec4 ipScalarRangeMax;\n\n// declaration for intermixed geometry\n//VTK::ZBuffer::Dec\n\n//=======================================================================\n// global and custom variables (a temporary section before photorealistics rendering module is complete)\nvec3 rayDirVC;\nfloat sampleDistanceISVS;\nfloat sampleDistanceIS;\n\n#define SQRT3 1.7321\n#define INV4PI 0.0796\n#define EPSILON 0.001\n#define PI 3.1415\n#define PI2 9.8696\n\n//=======================================================================\n// Webgl2 specific version of functions\n#if __VERSION__ == 300\n\nuniform highp sampler3D texture1;\n\nvec4 getTextureValue(vec3 pos)\n{\n vec4 tmp = texture(texture1, pos);\n#if vtkNumComponents == 1\n tmp.a = tmp.r;\n#endif\n#if vtkNumComponents == 2\n tmp.a = tmp.g;\n#endif\n#if vtkNumComponents == 3\n tmp.a = length(tmp.rgb);\n#endif\n return tmp;\n}\n\n//=======================================================================\n// WebGL1 specific version of functions\n#else\n\nuniform sampler2D texture1;\n\nuniform float texWidth;\nuniform float texHeight;\nuniform int xreps;\nuniform int xstride;\nuniform int ystride;\n\n// if computing trilinear values from multiple z slices\n#ifdef vtkTrilinearOn\nvec4 getTextureValue(vec3 ijk)\n{\n float zoff = 1.0/float(volumeDimensions.z);\n vec4 val1 = getOneTextureValue(ijk);\n vec4 val2 = getOneTextureValue(vec3(ijk.xy, ijk.z + zoff));\n\n float indexZ = float(volumeDimensions)*ijk.z;\n float zmix = indexZ - floor(indexZ);\n\n return mix(val1, val2, zmix);\n}\n\nvec4 getOneTextureValue(vec3 ijk)\n#else // nearest or fast linear\nvec4 getTextureValue(vec3 ijk)\n#endif\n{\n vec3 tdims = vec3(volumeDimensions);\n\n#ifdef debugtile\n vec2 tpos = vec2(ijk.x, ijk.y);\n vec4 tmp = texture2D(texture1, tpos);\n tmp.a = 1.0;\n\n#else\n int z = int(ijk.z * tdims.z);\n int yz = z / xreps;\n int xz = z - yz*xreps;\n\n int tileWidth = volumeDimensions.x/xstride;\n int tileHeight = volumeDimensions.y/ystride;\n\n xz *= tileWidth;\n yz *= tileHeight;\n\n float ni = float(xz) + (ijk.x*float(tileWidth));\n float nj = float(yz) + (ijk.y*float(tileHeight));\n\n vec2 tpos = vec2(ni/texWidth, nj/texHeight);\n\n vec4 tmp = texture2D(texture1, tpos);\n\n#if vtkNumComponents == 1\n tmp.a = tmp.r;\n#endif\n#if vtkNumComponents == 2\n tmp.g = tmp.a;\n#endif\n#if vtkNumComponents == 3\n tmp.a = length(tmp.rgb);\n#endif\n#endif\n\n return tmp;\n}\n\n// End of Webgl1 specific code\n//=======================================================================\n#endif\n\n//=======================================================================\n// transformation between VC and IS space\n\n// convert vector position from idx to vc\n#if (vtkLightComplexity > 0) || (defined vtkClippingPlanesOn)\nvec3 IStoVC(vec3 posIS){\n vec3 posVC = posIS / vVCToIJK;\n return posVC.x * vPlaneNormal0 +\n posVC.y * vPlaneNormal2 +\n posVC.z * vPlaneNormal4 +\n vOriginVC;\n}\n\n// convert vector position from vc to idx\nvec3 VCtoIS(vec3 posVC){\n posVC = posVC - vOriginVC;\n posVC = vec3(\n dot(posVC, vPlaneNormal0),\n dot(posVC, vPlaneNormal2),\n dot(posVC, vPlaneNormal4));\n return posVC * vVCToIJK;\n}\n#endif\n\n//Rotate vector to view coordinate\n#if (vtkLightComplexity > 0) || (defined vtkGradientOpacityOn)\nvoid rotateToViewCoord(inout vec3 dirIS){\n dirIS.xyz =\n dirIS.x * vPlaneNormal0 +\n dirIS.y * vPlaneNormal2 +\n dirIS.z * vPlaneNormal4;\n}\n\n//Rotate vector to idx coordinate\nvec3 rotateToIDX(vec3 dirVC){\n vec3 dirIS;\n dirIS.xyz = vec3(\n dot(dirVC, vPlaneNormal0),\n dot(dirVC, vPlaneNormal2),\n dot(dirVC, vPlaneNormal4));\n return dirIS;\n}\n#endif\n\n//=======================================================================\n// Given a normal compute the gradient opacity factors\nfloat computeGradientOpacityFactor(\n float normalMag, float goscale, float goshift, float gomin, float gomax)\n{\n#if defined(vtkGradientOpacityOn)\n return clamp(normalMag * goscale + goshift, gomin, gomax);\n#else\n return 1.0;\n#endif\n}\n\n//=======================================================================\n// compute the normal and gradient magnitude for a position, uses forward difference\n#if (vtkLightComplexity > 0) || (defined vtkGradientOpacityOn)\n#ifdef vtkClippingPlanesOn\n void adjustClippedVoxelValues(vec3 pos, vec3 texPos[3], inout vec3 g1)\n {\n vec3 g1VC[3];\n for (int i = 0; i < 3; ++i)\n {\n g1VC[i] = IStoVC(texPos[i]);\n }\n vec3 posVC = IStoVC(pos);\n for (int i = 0; i < clip_numPlanes; ++i)\n {\n for (int j = 0; j < 3; ++j)\n {\n if(dot(vec3(vClipPlaneOrigins[i] - g1VC[j].xyz), vClipPlaneNormals[i]) > 0.0)\n {\n g1[j] = 0.0;\n }\n }\n }\n }\n#endif\n\n #ifdef vtkComputeNormalFromOpacity\n #ifdef vtkGradientOpacityOn\n vec4 computeDensityNormal(float gradientMag, vec3 scalarInterp[2])\n {\n #else\n //if gradient opacity not on but using density gradient\n vec4 computeDensityNormal(vec3 scalarInterp[2])\n {\n #endif\n vec3 opacityG1, opacityG2;\n opacityG1.x = texture2D(otexture, vec2(scalarInterp[0].x * oscale0 + oshift0, 0.5)).r;\n opacityG1.y = texture2D(otexture, vec2(scalarInterp[0].y * oscale0 + oshift0, 0.5)).r;\n opacityG1.z = texture2D(otexture, vec2(scalarInterp[0].z * oscale0 + oshift0, 0.5)).r;\n opacityG2.x = texture2D(otexture, vec2(scalarInterp[1].x * oscale0 + oshift0, 0.5)).r;\n opacityG2.y = texture2D(otexture, vec2(scalarInterp[1].y * oscale0 + oshift0, 0.5)).r;\n opacityG2.z = texture2D(otexture, vec2(scalarInterp[1].z * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n float gradOpacityFactor = 1.0f;\n if (gradientMag >= 0.0){\n gradOpacityFactor = computeGradientOpacityFactor(gradientMag, goscale0, goshift0, gomin0, gomax0);\n }\n opacityG1.xyz *= gradOpacityFactor;\n opacityG2.xyz *= gradOpacityFactor;\n #endif\n\n vec4 opacityG = vec4(opacityG1 - opacityG2, 1.0f);\n // divide by spacing\n opacityG.xyz /= vSpacing;\n opacityG.w = length(opacityG.xyz);\n // rotate to View Coords\n rotateToViewCoord(opacityG.xyz);\n if (length(opacityG.xyz) > 0.0) {\n return vec4(normalize(opacityG.xyz),opacityG.w);\n } else {\n return vec4(0.0);\n }\n }\n\n vec4 computeNormalForDensity(vec3 pos, vec3 tstep, out vec3 scalarInterp[2])\n {\n vec3 xvec = vec3(tstep.x, 0.0, 0.0);\n vec3 yvec = vec3(0.0, tstep.y, 0.0);\n vec3 zvec = vec3(0.0, 0.0, tstep.z);\n vec3 texPosPVec[3];\n texPosPVec[0] = pos + xvec;\n texPosPVec[1] = pos + yvec;\n texPosPVec[2] = pos + zvec;\n vec3 texPosNVec[3];\n texPosNVec[0] = pos - xvec;\n texPosNVec[1] = pos - yvec;\n texPosNVec[2] = pos - zvec;\n vec3 g1, g2;\n\n scalarInterp[0].x = getTextureValue(texPosPVec[0]).a;\n scalarInterp[0].y = getTextureValue(texPosPVec[1]).a;\n scalarInterp[0].z = getTextureValue(texPosPVec[2]).a;\n scalarInterp[1].x = getTextureValue(texPosNVec[0]).a;\n scalarInterp[1].y = getTextureValue(texPosNVec[1]).a;\n scalarInterp[1].z = getTextureValue(texPosNVec[2]).a;\n\n #ifdef vtkClippingPlanesOn\n adjustClippedVoxelValues(pos, texPosPVec, scalarInterp[0]);\n adjustClippedVoxelValues(pos, texPosNVec, scalarInterp[1]);\n #endif\n vec4 result;\n result.x = scalarInterp[0].x - scalarInterp[1].x;\n result.y = scalarInterp[0].y - scalarInterp[1].y;\n result.z = scalarInterp[0].z - scalarInterp[1].z;\n // divide by spacing\n result.xyz /= vSpacing;\n result.w = length(result.xyz);\n // rotate to View Coords\n rotateToViewCoord(result.xyz);\n if (length(result.xyz) > 0.0) {\n return vec4(normalize(result.xyz),result.w);\n } else {\n return vec4(0.0);\n }\n }\n #endif\n\n vec4 computeNormal(vec3 pos, vec3 tstep)\n {\n vec3 xvec = vec3(tstep.x, 0.0, 0.0);\n vec3 yvec = vec3(0.0, tstep.y, 0.0);\n vec3 zvec = vec3(0.0, 0.0, tstep.z);\n vec3 texPosPVec[3];\n texPosPVec[0] = pos + xvec;\n texPosPVec[1] = pos + yvec;\n texPosPVec[2] = pos + zvec;\n vec3 texPosNVec[3];\n texPosNVec[0] = pos - xvec;\n texPosNVec[1] = pos - yvec;\n texPosNVec[2] = pos - zvec;\n vec3 g1, g2;\n g1.x = getTextureValue(texPosPVec[0]).a;\n g1.y = getTextureValue(texPosPVec[1]).a;\n g1.z = getTextureValue(texPosPVec[2]).a;\n g2.x = getTextureValue(texPosNVec[0]).a;\n g2.y = getTextureValue(texPosNVec[1]).a;\n g2.z = getTextureValue(texPosNVec[2]).a;\n #ifdef vtkClippingPlanesOn\n adjustClippedVoxelValues(pos, texPosPVec, g1);\n adjustClippedVoxelValues(pos, texPosNVec, g2);\n #endif\n vec4 result;\n result = vec4(g1 - g2, -1.0);\n // divide by spacing\n result.xyz /= vSpacing;\n result.w = length(result.xyz);\n if (result.w > 0.0){\n // rotate to View Coords\n rotateToViewCoord(result.xyz);\n return vec4(normalize(result.xyz),result.w);\n } else {\n return vec4(0.0);\n }\n }\n#endif\n\n#ifdef vtkImageLabelOutlineOn\nvec3 fragCoordToIndexSpace(vec4 fragCoord) {\n vec4 pcPos = vec4(\n (fragCoord.x / vpWidth - vpOffsetX - 0.5) * 2.0,\n (fragCoord.y / vpHeight - vpOffsetY - 0.5) * 2.0,\n (fragCoord.z - 0.5) * 2.0,\n 1.0);\n\n vec4 worldCoord = PCWCMatrix * pcPos;\n vec4 vertex = (worldCoord/worldCoord.w);\n\n vec3 index = (vWCtoIDX * vertex).xyz;\n\n // half voxel fix for labelmapOutline\n return (index + vec3(0.5)) / vec3(volumeDimensions);\n}\n#endif\n\n//=======================================================================\n// compute the normals and gradient magnitudes for a position\n// for independent components\nmat4 computeMat4Normal(vec3 pos, vec4 tValue, vec3 tstep)\n{\n mat4 result;\n vec4 distX = getTextureValue(pos + vec3(tstep.x, 0.0, 0.0)) - tValue;\n vec4 distY = getTextureValue(pos + vec3(0.0, tstep.y, 0.0)) - tValue;\n vec4 distZ = getTextureValue(pos + vec3(0.0, 0.0, tstep.z)) - tValue;\n\n // divide by spacing\n distX /= vSpacing.x;\n distY /= vSpacing.y;\n distZ /= vSpacing.z;\n\n mat3 rot;\n rot[0] = vPlaneNormal0;\n rot[1] = vPlaneNormal2;\n rot[2] = vPlaneNormal4;\n\n#if !defined(vtkComponent0Proportional)\n result[0].xyz = vec3(distX.r, distY.r, distZ.r);\n result[0].a = length(result[0].xyz);\n result[0].xyz *= rot;\n if (result[0].w > 0.0)\n {\n result[0].xyz /= result[0].w;\n }\n#endif\n\n// optionally compute the 2nd component\n#if vtkNumComponents >= 2 && !defined(vtkComponent1Proportional)\n result[1].xyz = vec3(distX.g, distY.g, distZ.g);\n result[1].a = length(result[1].xyz);\n result[1].xyz *= rot;\n if (result[1].w > 0.0)\n {\n result[1].xyz /= result[1].w;\n }\n#endif\n\n// optionally compute the 3rd component\n#if vtkNumComponents >= 3 && !defined(vtkComponent2Proportional)\n result[2].xyz = vec3(distX.b, distY.b, distZ.b);\n result[2].a = length(result[2].xyz);\n result[2].xyz *= rot;\n if (result[2].w > 0.0)\n {\n result[2].xyz /= result[2].w;\n }\n#endif\n\n// optionally compute the 4th component\n#if vtkNumComponents >= 4 && !defined(vtkComponent3Proportional)\n result[3].xyz = vec3(distX.a, distY.a, distZ.a);\n result[3].a = length(result[3].xyz);\n result[3].xyz *= rot;\n if (result[3].w > 0.0)\n {\n result[3].xyz /= result[3].w;\n }\n#endif\n\n return result;\n}\n\n//=======================================================================\n// global shadow - secondary ray\n#if defined(VolumeShadowOn) || defined(localAmbientOcclusionOn)\nfloat random()\n{\n float rand = fract(sin(dot(gl_FragCoord.xy,vec2(12.9898,78.233)))*43758.5453123);\n float jitter=texture2D(jtexture,gl_FragCoord.xy/32.).r;\n uint pcg_state = floatBitsToUint(jitter);\n uint state = pcg_state;\n pcg_state = pcg_state * uint(747796405) + uint(2891336453);\n uint word = ((state >> ((state >> uint(28)) + uint(4))) ^ state) * uint(277803737);\n return (float((((word >> uint(22)) ^ word) >> 1 ))/float(2147483647) + rand)/2.0;\n}\n#endif\n\n#ifdef VolumeShadowOn\n// henyey greenstein phase function\nfloat phase_function(float cos_angle)\n{\n // divide by 2.0 instead of 4pi to increase intensity\n return ((1.0-anisotropy2)/pow(1.0+anisotropy2-2.0*anisotropy*cos_angle, 1.5))/2.0;\n}\n\n// Computes the intersection between a ray and a box\nstruct Hit\n{\n float tmin;\n float tmax;\n};\n\nstruct Ray\n{\n vec3 origin;\n vec3 dir;\n vec3 invDir;\n};\n\nbool BBoxIntersect(vec3 boundMin, vec3 boundMax, const Ray r, out Hit hit)\n{\n vec3 tbot = r.invDir * (boundMin - r.origin);\n vec3 ttop = r.invDir * (boundMax - r.origin);\n vec3 tmin = min(ttop, tbot);\n vec3 tmax = max(ttop, tbot);\n vec2 t = max(tmin.xx, tmin.yz);\n float t0 = max(t.x, t.y);\n t = min(tmax.xx, tmax.yz);\n float t1 = min(t.x, t.y);\n hit.tmin = t0;\n hit.tmax = t1;\n return t1 > max(t0,0.0);\n}\n\n// As BBoxIntersect requires the inverse of the ray coords,\n// this function is used to avoid numerical issues\nvoid safe_0_vector(inout Ray ray)\n{\n if(abs(ray.dir.x) < EPSILON) ray.dir.x = sign(ray.dir.x) * EPSILON;\n if(abs(ray.dir.y) < EPSILON) ray.dir.y = sign(ray.dir.y) * EPSILON;\n if(abs(ray.dir.z) < EPSILON) ray.dir.z = sign(ray.dir.z) * EPSILON;\n}\n\nfloat volume_shadow(vec3 posIS, vec3 lightDirNormIS)\n{\n float shadow = 1.0;\n float opacity = 0.0;\n\n // modify sample distance with a random number between 1.5 and 3.0\n float sampleDistanceISVS_jitter = sampleDistanceISVS * mix(1.5, 3.0, random());\n float opacityPrev = texture2D(otexture, vec2(getTextureValue(posIS).r * oscale0 + oshift0, 0.5)).r;\n\n // in case the first sample near surface has a very tiled light ray, we need to offset start position\n posIS += sampleDistanceISVS_jitter * lightDirNormIS;\n\n // compute the start and end points for the ray\n Ray ray;\n Hit hit;\n ray.origin = posIS;\n ray.dir = lightDirNormIS;\n safe_0_vector(ray);\n ray.invDir = 1.0/ray.dir;\n\n if(!BBoxIntersect(vec3(0.0),vec3(1.0), ray, hit))\n {\n return 1.0;\n }\n float maxdist = hit.tmax;\n\n // interpolate shadow ray length between: 1 unit of sample distance in IS to SQRT3, based on globalIlluminationReach\n float maxgi = mix(sampleDistanceISVS_jitter,SQRT3,giReach);\n maxdist = min(maxdist,maxgi);\n if(maxdist < EPSILON) {\n return 1.0;\n }\n\n // support gradient opacity\n #ifdef vtkGradientOpacityOn\n vec4 normal;\n #endif\n\n float current_dist = 0.0;\n float current_step = length(sampleDistanceISVS_jitter * lightDirNormIS);\n float clamped_step = 0.0;\n\n vec4 scalar = vec4(0.0);\n while(current_dist < maxdist)\n {\n#ifdef vtkClippingPlanesOn\n vec3 posVC = IStoVC(posIS);\n for (int i = 0; i < clip_numPlanes; ++i)\n {\n if (dot(vec3(vClipPlaneOrigins[i] - posVC), vClipPlaneNormals[i]) > 0.0)\n {\n current_dist = maxdist;\n }\n }\n#endif\n scalar = getTextureValue(posIS);\n opacity = texture2D(otexture, vec2(scalar.r * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n normal = computeNormal(posIS, vec3(1.0/vec3(volumeDimensions)));\n opacity *= computeGradientOpacityFactor(normal.w, goscale0, goshift0, gomin0, gomax0);\n #endif\n shadow *= 1.0 - opacity;\n\n // optimization: early termination\n if (shadow < EPSILON){\n return 0.0;\n }\n\n clamped_step = min(maxdist - current_dist, current_step);\n posIS += clamped_step * lightDirNormIS;\n current_dist += current_step;\n }\n\n return shadow;\n}\n\nvec3 applyShadowRay(vec3 tColor, vec3 posIS, vec3 viewDirectionVC)\n{\n vec3 vertLight = vec3(0.0);\n vec3 secondary_contrib = vec3(0.0);\n // here we assume only positional light, no effect of cones\n for (int i = 0; i < lightNum; i++)\n {\n #if(vtkLightComplexity==3)\n if (lightPositional[i] == 1){\n vertLight = lightPositionVC[i] - IStoVC(posIS);\n }else{\n vertLight = - lightDirectionVC[i];\n }\n #else\n vertLight = - lightDirectionVC[i];\n #endif\n // here we assume achromatic light, only intensity\n float dDotL = dot(viewDirectionVC, normalize(vertLight));\n // isotropic scatter returns 0.5 instead of 1/4pi to increase intensity\n float phase_attenuation = 0.5;\n if (abs(anisotropy) > EPSILON){\n phase_attenuation = phase_function(dDotL);\n }\n float vol_shadow = volume_shadow(posIS, normalize(rotateToIDX(vertLight)));\n secondary_contrib += tColor * vDiffuse * lightColor[i] * vol_shadow * phase_attenuation;\n secondary_contrib += tColor * vAmbient;\n }\n return secondary_contrib;\n}\n#endif\n\n//=======================================================================\n// local ambient occlusion\n#ifdef localAmbientOcclusionOn\nvec3 sample_direction_uniform(int i)\n{\n float rand = random() * 0.5;\n float theta = PI2 * (kernelSample[i][0] + rand);\n float phi = acos(2.0 * (kernelSample[i][1] + rand) -1.0) / 2.5;\n return normalize(vec3(cos(theta)*sin(phi), sin(theta)*sin(phi), cos(phi)));\n}\n\n// return a matrix that transform startDir into z axis; startDir should be normalized\nmat3 zBaseRotationalMatrix(vec3 startDir){\n vec3 axis = cross(startDir, vec3(0.0,0.0,1.0));\n float cosA = startDir.z;\n float k = 1.0 / (1.0 + cosA);\n mat3 matrix = mat3((axis.x * axis.x * k) + cosA, (axis.y * axis.x * k) - axis.z, (axis.z * axis.x * k) + axis.y,\n (axis.x * axis.y * k) + axis.z, (axis.y * axis.y * k) + cosA, (axis.z * axis.y * k) - axis.x,\n (axis.x * axis.z * k) - axis.y, (axis.y * axis.z * k) + axis.x, (axis.z * axis.z * k) + cosA);\n return matrix;\n}\n\nfloat computeLAO(vec3 posIS, float op, vec3 lightDir, vec4 normal){\n // apply LAO only at selected locations, otherwise return full brightness\n if (normal.w > 0.0 && op > 0.05){\n float total_transmittance = 0.0;\n mat3 inverseRotateBasis = inverse(zBaseRotationalMatrix(normalize(-normal.xyz)));\n vec3 currPos, randomDirStep;\n float weight, transmittance, opacity;\n for (int i = 0; i < kernelSize; i++)\n {\n randomDirStep = inverseRotateBasis * sample_direction_uniform(i) * sampleDistanceIS;\n weight = 1.0 - dot(normalize(lightDir), normalize(randomDirStep));\n currPos = posIS;\n transmittance = 1.0;\n for (int j = 0; j < kernelRadius ; j++){\n currPos += randomDirStep;\n // check if it's at clipping plane, if so return full brightness\n if (all(greaterThan(currPos, vec3(EPSILON))) && all(lessThan(currPos,vec3(1.0-EPSILON)))){\n opacity = texture2D(otexture, vec2(getTextureValue(currPos).r * oscale0 + oshift0, 0.5)).r;\n #ifdef vtkGradientOpacityOn\n opacity *= computeGradientOpacityFactor(normal.w, goscale0, goshift0, gomin0, gomax0);\n #endif\n transmittance *= 1.0 - opacity;\n }\n else{\n break;\n }\n }\n total_transmittance += transmittance / float(kernelRadius) * weight;\n\n // early termination if fully translucent\n if (total_transmittance > 1.0 - EPSILON){\n return 1.0;\n }\n }\n // average transmittance and reduce variance\n return clamp(total_transmittance / float(kernelSize), 0.3, 1.0);\n } else {\n return 1.0;\n }\n}\n#endif\n\n//=======================================================================\n// surface light contribution\n#if vtkLightComplexity > 0\n void applyLighting(inout vec3 tColor, vec4 normal)\n {\n vec3 diffuse = vec3(0.0, 0.0, 0.0);\n vec3 specular = vec3(0.0, 0.0, 0.0);\n float df, sf = 0.0;\n for (int i = 0; i < lightNum; i++){\n df = abs(dot(normal.rgb, -lightDirectionVC[i]));\n diffuse += df * lightColor[i];\n sf = pow( abs(dot(lightHalfAngleVC[i],normal.rgb)), vSpecularPower);\n specular += sf * lightColor[i];\n }\n tColor.rgb = tColor.rgb*(diffuse*vDiffuse + vAmbient) + specular*vSpecular;\n }\n #ifdef SurfaceShadowOn\n #if vtkLightComplexity < 3\n vec3 applyLightingDirectional(vec3 posIS, vec4 tColor, vec4 normal)\n {\n // everything in VC\n vec3 diffuse = vec3(0.0);\n vec3 specular = vec3(0.0);\n #ifdef localAmbientOcclusionOn\n vec3 ambient = vec3(0.0);\n #endif\n vec3 vertLightDirection;\n for (int i = 0; i < lightNum; i++){\n float ndotL,vdotR;\n vertLightDirection = lightDirectionVC[i];\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n }\n #ifdef localAmbientOcclusionOn\n return tColor.rgb * (diffuse * vDiffuse + vAmbient * ambient) + specular*vSpecular;\n #else\n return tColor.rgb * (diffuse * vDiffuse + vAmbient) + specular*vSpecular;\n #endif\n }\n #else\n vec3 applyLightingPositional(vec3 posIS, vec4 tColor, vec4 normal, vec3 posVC)\n {\n // everything in VC\n vec3 diffuse = vec3(0.0);\n vec3 specular = vec3(0.0);\n #ifdef localAmbientOcclusionOn\n vec3 ambient = vec3(0.0);\n #endif\n vec3 vertLightDirection;\n for (int i = 0; i < lightNum; i++){\n float distance,attenuation,ndotL,vdotR;\n vec3 lightDir;\n if (lightPositional[i] == 1){\n lightDir = lightDirectionVC[i];\n vertLightDirection = posVC - lightPositionVC[i];\n distance = length(vertLightDirection);\n vertLightDirection = normalize(vertLightDirection);\n attenuation = 1.0 / (lightAttenuation[i].x\n + lightAttenuation[i].y * distance\n + lightAttenuation[i].z * distance * distance);\n // per OpenGL standard cone angle is 90 or less for a spot light\n if (lightConeAngle[i] <= 90.0){\n float coneDot = dot(vertLightDirection, lightDir);\n if (coneDot >= cos(radians(lightConeAngle[i]))){ // if inside cone\n attenuation = attenuation * pow(coneDot, lightExponent[i]);\n }\n else {\n attenuation = 0.0;\n }\n }\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * attenuation * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * attenuation * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n } else {\n vertLightDirection = lightDirectionVC[i];\n ndotL = dot(normal.xyz, vertLightDirection);\n if (ndotL < 0.0 && twoSidedLighting)\n {\n ndotL = -ndotL;\n }\n if (ndotL > 0.0)\n {\n diffuse += ndotL * lightColor[i];\n //specular\n vdotR = dot(-rayDirVC, normalize(2.0 * ndotL * -normal.xyz + vertLightDirection));\n if (vdotR > 0.0)\n {\n specular += pow(vdotR, vSpecularPower) * lightColor[i];\n }\n }\n #ifdef localAmbientOcclusionOn\n ambient += computeLAO(posIS, tColor.a, vertLightDirection, normal);\n #endif\n }\n }\n #ifdef localAmbientOcclusionOn\n return tColor.rgb * (diffuse * vDiffuse + vAmbient * ambient) + specular*vSpecular;\n #else\n return tColor.rgb * (diffuse * vDiffuse + vAmbient) + specular*vSpecular;\n #endif\n }\n #endif\n #endif\n#endif\n\n//=======================================================================\n// Given a texture value compute the color and opacity\n//\nvec4 getColorForValue(vec4 tValue, vec3 posIS, vec3 tstep)\n{\n#ifdef vtkImageLabelOutlineOn\n vec3 centerPosIS = fragCoordToIndexSpace(gl_FragCoord); // pos in texture space\n vec4 centerValue = getTextureValue(centerPosIS);\n bool pixelOnBorder = false;\n vec4 tColor = texture2D(ctexture, vec2(centerValue.r * cscale0 + cshift0, 0.5));\n\n // Get alpha of segment from opacity function.\n tColor.a = texture2D(otexture, vec2(centerValue.r * oscale0 + oshift0, 0.5)).r;\n\n int segmentIndex = int(centerValue.r * 255.0);\n \n // Use texture sampling for outlineThickness\n float textureCoordinate = float(segmentIndex - 1) / 1024.0;\n float textureValue = texture2D(ttexture, vec2(textureCoordinate, 0.5)).r;\n\n int actualThickness = int(textureValue * 255.0);\n\n if (actualThickness == 0) {\n return vec4(0, 0, 1, 1);\n }\n\n // Only perform outline check on fragments rendering voxels that aren't invisible.\n // Saves a bunch of needless checks on the background.\n // TODO define epsilon when building shader?\n if (float(tColor.a) > 0.01) {\n for (int i = -actualThickness; i <= actualThickness; i++) {\n for (int j = -actualThickness; j <= actualThickness; j++) {\n if (i == 0 || j == 0) {\n continue;\n }\n\n vec4 neighborPixelCoord = vec4(gl_FragCoord.x + float(i),\n gl_FragCoord.y + float(j),\n gl_FragCoord.z, gl_FragCoord.w);\n\n vec3 neighborPosIS = fragCoordToIndexSpace(neighborPixelCoord);\n vec4 value = getTextureValue(neighborPosIS);\n\n // If any of my neighbours are not the same value as I\n // am, this means I am on the border of the segment.\n // We can break the loops\n if (any(notEqual(value, centerValue))) {\n pixelOnBorder = true;\n break;\n }\n }\n\n if (pixelOnBorder == true) {\n break;\n }\n }\n\n // If I am on the border, I am displayed at full opacity\n if (pixelOnBorder == true) {\n tColor.a = outlineOpacity;\n }\n }\n\n#else\n // compute the normal and gradient magnitude if needed\n // We compute it as a vec4 if possible otherwise a mat4\n //\n vec4 goFactor = vec4(1.0,1.0,1.0,1.0);\n\n // compute the normal vectors as needed\n #if (vtkLightComplexity > 0) || defined(vtkGradientOpacityOn)\n #if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\n mat4 normalMat = computeMat4Normal(posIS, tValue, tstep);\n #if !defined(vtkComponent0Proportional)\n vec4 normal0 = normalMat[0];\n #endif\n #if !defined(vtkComponent1Proportional)\n vec4 normal1 = normalMat[1];\n #endif\n #if vtkNumComponents > 2\n #if !defined(vtkComponent2Proportional)\n vec4 normal2 = normalMat[2];\n #endif\n #if vtkNumComponents > 3\n #if !defined(vtkComponent3Proportional)\n vec4 normal3 = normalMat[3];\n #endif\n #endif\n #endif\n #else\n vec4 normalLight;\n #ifdef vtkComputeNormalFromOpacity\n vec3 scalarInterp[2];\n vec4 normal0 = computeNormalForDensity(posIS, tstep, scalarInterp);\n if (length(normal0)>0.0){\n #ifdef vtkGradientOpacityOn\n normalLight = computeDensityNormal(normal0.w, scalarInterp);\n #else\n normalLight = computeDensityNormal(scalarInterp);\n #endif\n if (length(normalLight) == 0.0){\n normalLight = normal0;\n }\n }\n #else\n vec4 normal0 = computeNormal(posIS, tstep);\n normalLight = normal0;\n #endif\n #endif\n #endif\n\n // compute gradient opacity factors as needed\n #if defined(vtkGradientOpacityOn)\n #if !defined(vtkComponent0Proportional)\n goFactor.x =\n computeGradientOpacityFactor(normal0.a, goscale0, goshift0, gomin0, gomax0);\n #endif\n #if defined(vtkIndependentComponentsOn) && (vtkNumComponents > 1)\n #if !defined(vtkComponent1Proportional)\n goFactor.y =\n computeGradientOpacityFactor(normal1.a, goscale1, goshift1, gomin1, gomax1);\n #endif\n #if vtkNumComponents > 2\n #if !defined(vtkComponent2Proportional)\n goFactor.z =\n computeGradientOpacityFactor(normal2.a, goscale2, goshift2, gomin2, gomax2);\n #endif\n #if vtkNumComponents > 3\n #if !defined(vtkComponent3Proportional)\n goFactor.w =\n computeGradientOpacityFactor(normal3.a, goscale3, goshift3, gomin3, gomax3);\n #endif\n #endif\n #endif\n #endif\n #endif\n\n // single component is always independent\n #if vtkNumComponents == 1\n vec4 tColor = texture2D(ctexture, vec2(tValue.r * cscale0 + cshift0, 0.5));\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n if (tColor.a < EPSILON){\n return vec4(0.0);\n }\n #endif\n\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n vec4 tColor = mix0*texture2D(ctexture, vec2(tValue.r * cscale0 + cshift0, height0));\n #if !defined(vtkComponent0Proportional)\n tColor.a = goFactor.x*mix0*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, height0)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, height0)).r;\n tColor *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix0));\n #endif\n\n vec3 tColor1 = mix1*texture2D(ctexture, vec2(tValue.g * cscale1 + cshift1, height1)).rgb;\n #if !defined(vtkComponent1Proportional)\n tColor.a += goFactor.y*mix1*texture2D(otexture, vec2(tValue.g * oscale1 + oshift1, height1)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.g * oscale1 + oshift1, height1)).r;\n tColor1 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix1));\n #endif\n\n #if vtkNumComponents >= 3\n vec3 tColor2 = mix2*texture2D(ctexture, vec2(tValue.b * cscale2 + cshift2, height2)).rgb;\n #if !defined(vtkComponent2Proportional)\n tColor.a += goFactor.z*mix2*texture2D(otexture, vec2(tValue.b * oscale2 + oshift2, height2)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.b * oscale2 + oshift2, height2)).r;\n tColor2 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix2));\n #endif\n\n #if vtkNumComponents >= 4\n vec3 tColor3 = mix3*texture2D(ctexture, vec2(tValue.a * cscale3 + cshift3, height3)).rgb;\n #if !defined(vtkComponent3Proportional)\n tColor.a += goFactor.w*mix3*texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, height3)).r;\n #else\n float pwfValue = texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, height3)).r;\n tColor3 *= pwfValue;\n tColor.a *= mix(pwfValue, 1.0, (1.0 - mix3));\n #endif\n #endif\n #endif\n #else // then not independent\n\n #if vtkNumComponents == 2\n float lum = tValue.r * cscale0 + cshift0;\n float alpha = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale1 + oshift1, 0.5)).r;\n vec4 tColor = vec4(lum, lum, lum, alpha);\n #endif\n #if vtkNumComponents == 3\n vec4 tColor;\n tColor.r = tValue.r * cscale0 + cshift0;\n tColor.g = tValue.g * cscale1 + cshift1;\n tColor.b = tValue.b * cscale2 + cshift2;\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale0 + oshift0, 0.5)).r;\n #endif\n #if vtkNumComponents == 4\n vec4 tColor;\n tColor.r = tValue.r * cscale0 + cshift0;\n tColor.g = tValue.g * cscale1 + cshift1;\n tColor.b = tValue.b * cscale2 + cshift2;\n tColor.a = goFactor.x*texture2D(otexture, vec2(tValue.a * oscale3 + oshift3, 0.5)).r;\n #endif\n #endif // dependent\n\n // apply lighting if requested as appropriate\n #if vtkLightComplexity > 0\n #if !defined(vtkComponent0Proportional)\n #if vtkNumComponents == 1\n #ifdef SurfaceShadowOn\n #if vtkLightComplexity < 3\n vec3 tColorS = applyLightingDirectional(posIS, tColor, normalLight);\n #else\n vec3 tColorS = applyLightingPositional(posIS, tColor, normalLight, IStoVC(posIS));\n #endif\n #endif\n\n #ifdef VolumeShadowOn\n vec3 tColorVS = applyShadowRay(tColor.rgb, posIS, rayDirVC);\n #ifdef SurfaceShadowOn\n float vol_coef = volumetricScatteringBlending * (1.0 - tColor.a / 2.0) * (1.0 - atan(normalLight.w) * INV4PI);\n tColor.rgb = (1.0-vol_coef) * tColorS + vol_coef * tColorVS;\n #else\n tColor.rgb = tColorVS;\n #endif\n #else\n tColor.rgb = tColorS;\n #endif\n\n #else\n applyLighting(tColor.rgb, normal0);\n #endif\n #endif\n\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n #if !defined(vtkComponent1Proportional)\n applyLighting(tColor1, normal1);\n #endif\n #if vtkNumComponents >= 3\n #if !defined(vtkComponent2Proportional)\n applyLighting(tColor2, normal2);\n #endif\n #if vtkNumComponents >= 4\n #if !defined(vtkComponent3Proportional)\n applyLighting(tColor3, normal3);\n #endif\n #endif\n #endif\n #endif\n #endif\n\n// perform final independent blend as needed\n#if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 2\n tColor.rgb += tColor1;\n#if vtkNumComponents >= 3\n tColor.rgb += tColor2;\n#if vtkNumComponents >= 4\n tColor.rgb += tColor3;\n#endif\n#endif\n#endif\n\n#endif\nreturn tColor;\n}\n\nbool valueWithinScalarRange(vec4 val, vec4 min, vec4 max) {\n bool withinRange = false;\n #if vtkNumComponents == 1\n if (val.r >= min.r && val.r <= max.r) {\n withinRange = true;\n }\n #endif\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents == 2\n if (val.r >= min.r && val.r <= max.r &&\n val.g >= min.g && val.g <= max.g) {\n withinRange = true;\n }\n #endif\n #if defined(vtkIndependentComponentsOn) && vtkNumComponents >= 3\n if (all(greaterThanEqual(val, ipScalarRangeMin)) &&\n all(lessThanEqual(val, ipScalarRangeMax))) {\n withinRange = true;\n }\n #endif\n return withinRange;\n}\n\n//=======================================================================\n// Apply the specified blend mode operation along the ray's path.\n//\nvoid applyBlend(vec3 posIS, vec3 endIS, vec3 tdims)\n{\n vec3 tstep = 1.0/tdims;\n\n // start slightly inside and apply some jitter\n vec3 delta = endIS - posIS;\n vec3 stepIS = normalize(delta)*sampleDistanceIS;\n float raySteps = length(delta)/sampleDistanceIS;\n\n // avoid 0.0 jitter\n float jitter = 0.01 + 0.99*texture2D(jtexture, gl_FragCoord.xy/32.0).r;\n float stepsTraveled = jitter;\n\n // local vars for the loop\n vec4 color = vec4(0.0, 0.0, 0.0, 0.0);\n vec4 tValue;\n vec4 tColor;\n\n // if we have less than one step then pick the middle point\n // as our value\n // if (raySteps <= 1.0)\n // {\n // posIS = (posIS + endIS)*0.5;\n // }\n\n // Perform initial step at the volume boundary\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n #if vtkBlendMode == 0 // COMPOSITE_BLEND\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n\n // handle very thin volumes\n if (raySteps <= 1.0)\n {\n tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps);\n gl_FragData[0] = tColor;\n return;\n }\n\n tColor.a = 1.0 - pow(1.0 - tColor.a, jitter);\n color = vec4(tColor.rgb*tColor.a, tColor.a);\n posIS += (jitter*stepIS);\n\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n\n float mix = (1.0 - color.a);\n\n // this line should not be needed but nvidia seems to not handle\n // the break correctly on windows/chrome 58 angle\n //mix = mix * sign(max(raySteps - stepsTraveled - 1.0, 0.0));\n\n color = color + vec4(tColor.rgb*tColor.a, tColor.a)*mix;\n stepsTraveled++;\n posIS += stepIS;\n if (color.a > 0.99) { color.a = 1.0; break; }\n }\n\n if (color.a < 0.99 && (raySteps - stepsTraveled) > 0.0)\n {\n posIS = endIS;\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // now map through opacity and color\n tColor = getColorForValue(tValue, posIS, tstep);\n tColor.a = 1.0 - pow(1.0 - tColor.a, raySteps - stepsTraveled);\n\n float mix = (1.0 - color.a);\n color = color + vec4(tColor.rgb*tColor.a, tColor.a)*mix;\n }\n\n gl_FragData[0] = vec4(color.rgb/color.a, color.a);\n #endif\n #if vtkBlendMode == 1 || vtkBlendMode == 2\n // MAXIMUM_INTENSITY_BLEND || MINIMUM_INTENSITY_BLEND\n // Find maximum/minimum intensity along the ray.\n\n // Define the operation we will use (min or max)\n #if vtkBlendMode == 1\n #define OP max\n #else\n #define OP min\n #endif\n\n // If the clipping range is shorter than the sample distance\n // we can skip the sampling loop along the ray.\n if (raySteps <= 1.0)\n {\n gl_FragData[0] = getColorForValue(tValue, posIS, tstep);\n return;\n }\n\n vec4 value = tValue;\n posIS += (jitter*stepIS);\n\n // Sample along the ray until MaximumSamplesValue,\n // ending slightly inside the total distance\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n // If we have reached the last step, break\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // Update the maximum value if necessary\n value = OP(tValue, value);\n\n // Otherwise, continue along the ray\n stepsTraveled++;\n posIS += stepIS;\n }\n\n // Perform the last step along the ray using the\n // residual distance\n posIS = endIS;\n tValue = getTextureValue(posIS);\n value = OP(tValue, value);\n\n // Now map through opacity and color\n gl_FragData[0] = getColorForValue(value, posIS, tstep);\n #endif\n #if vtkBlendMode == 3 || vtkBlendMode == 4 //AVERAGE_INTENSITY_BLEND || ADDITIVE_BLEND\n vec4 sum = vec4(0.);\n\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n sum += tValue;\n }\n\n if (raySteps <= 1.0) {\n gl_FragData[0] = getColorForValue(sum, posIS, tstep);\n return;\n }\n\n posIS += (jitter*stepIS);\n\n // Sample along the ray until MaximumSamplesValue,\n // ending slightly inside the total distance\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n // If we have reached the last step, break\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // One can control the scalar range by setting the AverageIPScalarRange to disregard scalar values, not in the range of interest, from the average computation.\n // Notes:\n // - We are comparing all values in the texture to see if any of them\n // are outside of the scalar range. In the future we might want to allow\n // scalar ranges for each component.\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n // Sum the values across each step in the path\n sum += tValue;\n }\n stepsTraveled++;\n posIS += stepIS;\n }\n\n // Perform the last step along the ray using the\n // residual distance\n posIS = endIS;\n\n // compute the scalar\n tValue = getTextureValue(posIS);\n\n // One can control the scalar range by setting the IPScalarRange to disregard scalar values, not in the range of interest, from the average computation\n if (valueWithinScalarRange(tValue, ipScalarRangeMin, ipScalarRangeMax)) {\n sum += tValue;\n\n stepsTraveled++;\n }\n\n #if vtkBlendMode == 3 // Average\n sum /= vec4(stepsTraveled, stepsTraveled, stepsTraveled, 1.0);\n #endif\n\n gl_FragData[0] = getColorForValue(sum, posIS, tstep);\n #endif\n #if vtkBlendMode == 5 // RADON\n float normalizedRayIntensity = 1.0;\n\n // handle very thin volumes\n if (raySteps <= 1.0)\n {\n tValue = getTextureValue(posIS);\n normalizedRayIntensity = normalizedRayIntensity - sampleDistance*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n gl_FragData[0] = texture2D(ctexture, vec2(normalizedRayIntensity, 0.5));\n return;\n }\n\n posIS += (jitter*stepIS);\n\n for (int i = 0; i < //VTK::MaximumSamplesValue ; ++i)\n {\n if (stepsTraveled + 1.0 >= raySteps) { break; }\n\n // compute the scalar value\n tValue = getTextureValue(posIS);\n\n // Convert scalar value to normalizedRayIntensity coefficient and accumulate normalizedRayIntensity\n normalizedRayIntensity = normalizedRayIntensity - sampleDistance*texture2D(otexture, vec2(tValue.r * oscale0 + oshift0, 0.5)).r;\n\n posIS += stepIS;\n stepsTraveled++;\n }\n\n // map normalizedRayIntensity to color\n gl_FragData[0] = texture2D(ctexture, vec2(normalizedRayIntensity , 0.5));\n\n #endif\n}\n\n//=======================================================================\n// Compute a new start and end point for a given ray based\n// on the provided bounded clipping plane (aka a rectangle)\nvoid getRayPointIntersectionBounds(\n vec3 rayPos, vec3 rayDir,\n vec3 planeDir, float planeDist,\n inout vec2 tbounds, vec3 vPlaneX, vec3 vPlaneY,\n float vSize1, float vSize2)\n{\n float result = dot(rayDir, planeDir);\n if (abs(result) < 1e-6)\n {\n return;\n }\n result = -1.0 * (dot(rayPos, planeDir) + planeDist) / result;\n vec3 xposVC = rayPos + rayDir*result;\n vec3 vxpos = xposVC - vOriginVC;\n vec2 vpos = vec2(\n dot(vxpos, vPlaneX),\n dot(vxpos, vPlaneY));\n\n // on some apple nvidia systems this does not work\n // if (vpos.x < 0.0 || vpos.x > vSize1 ||\n // vpos.y < 0.0 || vpos.y > vSize2)\n // even just\n // if (vpos.x < 0.0 || vpos.y < 0.0)\n // fails\n // so instead we compute a value that represents in and out\n //and then compute the return using this value\n float xcheck = max(0.0, vpos.x * (vpos.x - vSize1)); // 0 means in bounds\n float check = sign(max(xcheck, vpos.y * (vpos.y - vSize2))); // 0 means in bounds, 1 = out\n\n tbounds = mix(\n vec2(min(tbounds.x, result), max(tbounds.y, result)), // in value\n tbounds, // out value\n check); // 0 in 1 out\n}\n\n//=======================================================================\n// given a\n// - ray direction (rayDir)\n// - starting point (vertexVCVSOutput)\n// - bounding planes of the volume\n// - optionally depth buffer values\n// - far clipping plane\n// compute the start/end distances of the ray we need to cast\nvec2 computeRayDistances(vec3 rayDir, vec3 tdims)\n{\n vec2 dists = vec2(100.0*camFar, -1.0);\n\n vec3 vSize = vSpacing*tdims;\n\n // all this is in View Coordinates\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal0, vPlaneDistance0, dists, vPlaneNormal2, vPlaneNormal4,\n vSize.y, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal1, vPlaneDistance1, dists, vPlaneNormal2, vPlaneNormal4,\n vSize.y, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal2, vPlaneDistance2, dists, vPlaneNormal0, vPlaneNormal4,\n vSize.x, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal3, vPlaneDistance3, dists, vPlaneNormal0, vPlaneNormal4,\n vSize.x, vSize.z);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal4, vPlaneDistance4, dists, vPlaneNormal0, vPlaneNormal2,\n vSize.x, vSize.y);\n getRayPointIntersectionBounds(vertexVCVSOutput, rayDir,\n vPlaneNormal5, vPlaneDistance5, dists, vPlaneNormal0, vPlaneNormal2,\n vSize.x, vSize.y);\n\n //VTK::ClipPlane::Impl\n\n // do not go behind front clipping plane\n dists.x = max(0.0,dists.x);\n\n // do not go PAST far clipping plane\n float farDist = -camThick/rayDir.z;\n dists.y = min(farDist,dists.y);\n\n // Do not go past the zbuffer value if set\n // This is used for intermixing opaque geometry\n //VTK::ZBuffer::Impl\n\n return dists;\n}\n\n//=======================================================================\n// Compute the index space starting position (pos) and end\n// position\n//\nvoid computeIndexSpaceValues(out vec3 pos, out vec3 endPos, vec3 rayDir, vec2 dists)\n{\n // compute starting and ending values in volume space\n pos = vertexVCVSOutput + dists.x*rayDir;\n pos = pos - vOriginVC;\n // convert to volume basis and origin\n pos = vec3(\n dot(pos, vPlaneNormal0),\n dot(pos, vPlaneNormal2),\n dot(pos, vPlaneNormal4));\n\n endPos = vertexVCVSOutput + dists.y*rayDir;\n endPos = endPos - vOriginVC;\n endPos = vec3(\n dot(endPos, vPlaneNormal0),\n dot(endPos, vPlaneNormal2),\n dot(endPos, vPlaneNormal4));\n\n float delta = length(endPos - pos);\n\n pos *= vVCToIJK;\n endPos *= vVCToIJK;\n\n float delta2 = length(endPos - pos);\n sampleDistanceIS = sampleDistance*delta2/delta;\n #ifdef VolumeShadowOn\n sampleDistanceISVS = sampleDistanceIS * volumeShadowSamplingDistFactor;\n #endif\n}\n\nvoid main()\n{\n\n if (cameraParallel == 1)\n {\n // Camera is parallel, so the rayDir is just the direction of the camera.\n rayDirVC = vec3(0.0, 0.0, -1.0);\n } else {\n // camera is at 0,0,0 so rayDir for perspective is just the vc coord\n rayDirVC = normalize(vertexVCVSOutput);\n }\n\n vec3 tdims = vec3(volumeDimensions);\n\n // compute the start and end points for the ray\n vec2 rayStartEndDistancesVC = computeRayDistances(rayDirVC, tdims);\n\n // do we need to composite? aka does the ray have any length\n // If not, bail out early\n if (rayStartEndDistancesVC.y <= rayStartEndDistancesVC.x)\n {\n discard;\n }\n\n // IS = Index Space\n vec3 posIS;\n vec3 endIS;\n computeIndexSpaceValues(posIS, endIS, rayDirVC, rayStartEndDistancesVC);\n\n // Perform the blending operation along the ray\n applyBlend(posIS, endIS, tdims);\n}\n",e.Geometry=""},e.replaceShaderValues=(n,r,o)=>{let i=n.Fragment;o.getProperty().getInterpolationType()===el.LINEAR&&(i=Ca.substitute(i,"//VTK::TrilinearOn","#define vtkTrilinearOn").result),!0===o.getProperty().getUseLabelOutline()&&(i=Ca.substitute(i,"//VTK::ImageLabelOutlineOn","#define vtkImageLabelOutlineOn").result);const a=t.scalarTexture.getComponents();i=Ca.substitute(i,"//VTK::NumComponents",`#define vtkNumComponents ${a}`).result;const s=o.getProperty().getIndependentComponents();if(s){i=Ca.substitute(i,"//VTK::IndependentComponentsOn","#define vtkIndependentComponentsOn").result;const e=[];for(let t=0;t0&&(i=Ca.substitute(i,"//VTK::vtkProportionalComponents",e.join("\n")).result)}const l=t.currentInput.getSpatialExtent(),u=t.currentInput.getSpacing(),c=new Float64Array(3);jt(c,(l[1]-l[0])*u[0],(l[3]-l[2])*u[1],(l[5]-l[4])*u[2]);const d=Gt(c)/e.getCurrentSampleDistance(r);i=Ca.substitute(i,"//VTK::MaximumSamplesValue",`${Math.ceil(d)}`).result,i=Ca.substitute(i,"//VTK::LightComplexity",`#define vtkLightComplexity ${t.lastLightComplexity}`).result,t.lastLightComplexity>0&&(t.renderable.getVolumetricScatteringBlending()>0&&(i=Ca.substitute(i,"//VTK::VolumeShadowOn","#define VolumeShadowOn").result),t.renderable.getVolumetricScatteringBlending()<1&&(i=Ca.substitute(i,"//VTK::SurfaceShadowOn","#define SurfaceShadowOn").result),t.renderable.getLocalAmbientOcclusion()&&o.getProperty().getAmbient()>0&&(i=Ca.substitute(i,"//VTK::localAmbientOcclusionOn","#define localAmbientOcclusionOn").result)),t.gopacity=o.getProperty().getUseGradientOpacity(0);for(let e=1;s&&!t.gopacity&&e{if(0===t.lastLightComplexity)return;let o=e.Fragment,i=0;n.getLights().forEach((e=>{e.getSwitch()&&(i+=1)})),o=Ca.substitute(o,"//VTK::Light::Dec",["uniform int lightNum;","uniform bool twoSidedLighting;",`uniform vec3 lightColor[${i}];`,`uniform vec3 lightDirectionVC[${i}]; // normalized`,`uniform vec3 lightHalfAngleVC[${i}];`,"//VTK::Light::Dec"],!1).result,3===t.lastLightComplexity&&(o=Ca.substitute(o,"//VTK::Light::Dec",[`uniform vec3 lightPositionVC[${i}];`,`uniform vec3 lightAttenuation[${i}];`,`uniform float lightConeAngle[${i}];`,`uniform float lightExponent[${i}];`,`uniform int lightPositional[${i}];`],!1).result),t.renderable.getVolumetricScatteringBlending()>0&&(o=Ca.substitute(o,"//VTK::VolumeShadow::Dec",["uniform float volumetricScatteringBlending;","uniform float giReach;","uniform float volumeShadowSamplingDistFactor;","uniform float anisotropy;","uniform float anisotropy2;"],!1).result),t.renderable.getLocalAmbientOcclusion()&&r.getProperty().getAmbient()>0&&(o=Ca.substitute(o,"//VTK::LAO::Dec",["uniform int kernelRadius;",`uniform vec2 kernelSample[${t.renderable.getLAOKernelRadius()}];`,"uniform int kernelSize;"],!1).result),e.Fragment=o},e.replaceShaderClippingPlane=(e,n,r)=>{let o=e.Fragment;if(t.renderable.getClippingPlanes().length>0){const e=t.renderable.getClippingPlanes().length;o=Ca.substitute(o,"//VTK::ClipPlane::Dec",["uniform vec3 vClipPlaneNormals[6];","uniform float vClipPlaneDistances[6];","uniform vec3 vClipPlaneOrigins[6];","uniform int clip_numPlanes;","//VTK::ClipPlane::Dec","#define vtkClippingPlanesOn"],!1).result,o=Ca.substitute(o,"//VTK::ClipPlane::Impl",[`for(int i = 0; i < ${e}; i++) {`," float rayDirRatio = dot(rayDir, vClipPlaneNormals[i]);"," float equationResult = dot(vertexVCVSOutput, vClipPlaneNormals[i]) + vClipPlaneDistances[i];"," if (rayDirRatio == 0.0)"," {"," if (equationResult < 0.0) dists.x = dists.y;"," continue;"," }"," float result = -1.0 * equationResult / rayDirRatio;"," if (rayDirRatio < 0.0) dists.y = min(dists.y, result);"," else dists.x = max(dists.x, result);","}","//VTK::ClipPlane::Impl"],!1).result}e.Fragment=o},e.getNeedToRebuildShaders=(n,r,o)=>{let i=0;o.getProperty().getShade()&&t.renderable.getBlendMode()===rl.COMPOSITE_BLEND&&(i=0,t.numberOfLights=0,r.getLights().forEach((e=>{e.getSwitch()>0&&(t.numberOfLights++,0===i&&(i=1)),1===i&&(t.numberOfLights>1||1!==e.getIntensity()||!e.lightTypeIsHeadLight())&&(i=2),i<3&&e.getPositional()&&(i=3)})));let a=!1;t.lastLightComplexity!==i&&(t.lastLightComplexity=i,a=!0);const s=t.scalarTexture.getComponents(),l=o.getProperty().getIndependentComponents();let u=!1;const c=[];if(l){for(let e=0;e0&&(u=!0)}const d=t.currentInput.getSpatialExtent(),p=t.currentInput.getSpacing(),f=new Float64Array(3);jt(f,(d[1]-d[0])*p[0],(d[3]-d[2])*p[1],(d[5]-d[4])*p[2]);const h=Gt(f)/e.getCurrentSampleDistance(r),m={interpolationType:o.getProperty().getInterpolationType(),useLabelOutline:o.getProperty().getUseLabelOutline(),numComp:s,usesProportionalComponents:u,iComps:l,maxSamples:h,useGradientOpacity:o.getProperty().getUseGradientOpacity(0),blendMode:t.renderable.getBlendMode(),proportionalComponents:c};return t.previousState&&t.previousState.interpolationType===m.interpolationType&&t.previousState.useLabelOutline===m.useLabelOutline&&t.previousState.numComp===m.numComp&&t.previousState.usesProportionalComponents===m.usesProportionalComponents&&t.previousState.iComps===m.iComps&&t.previousState.maxSamples===m.maxSamples&&t.previousState.useGradientOpacity===m.useGradientOpacity&&t.previousState.blendMode===m.blendMode&&function(e,t){if(e.length!==t.length)return!1;for(let n=0;n{if(t.lastBoundBO=n,e.getNeedToRebuildShaders(n,r,o)){const i={Vertex:null,Fragment:null,Geometry:null};e.buildShaders(i,r,o);const a=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(i.Vertex,i.Fragment,i.Geometry);a!==n.getProgram()&&(n.setProgram(a),n.getVAO().releaseGraphicsResources()),n.getShaderSourceTime().modified()}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(n.getProgram());n.getVAO().bind(),e.setMapperShaderParameters(n,r,o),e.setCameraShaderParameters(n,r,o),e.setPropertyShaderParameters(n,r,o),e.getClippingPlaneShaderParameters(n,r,o)},e.setMapperShaderParameters=(n,r,o)=>{const i=n.getProgram();n.getCABO().getElementCount()&&(t.VBOBuildTime.getMTime()>n.getAttributeUpdateTime().getMTime()||n.getShaderSourceTime().getMTime()>n.getAttributeUpdateTime().getMTime())&&(i.isAttributeUsed("vertexDC")&&(n.getVAO().addAttributeArray(i,n.getCABO(),"vertexDC",n.getCABO().getVertexOffset(),n.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||al("Error setting vertexDC in shader VAO.")),n.getAttributeUpdateTime().modified()),i.setUniformi("texture1",t.scalarTexture.getTextureUnit()),i.setUniformf("sampleDistance",e.getCurrentSampleDistance(r));const a=t.scalarTexture.getVolumeInfo(),s=t.renderable.getIpScalarRange(),l=[],u=[];for(let e=0;e<4;e++)l[e]=s[0]*a.dataComputedScale[e]+a.dataComputedOffset[e],u[e]=s[1]*a.dataComputedScale[e]+a.dataComputedOffset[e],l[e]=(l[e]-a.offset[e])/a.scale[e],u[e]=(u[e]-a.offset[e])/a.scale[e];if(i.setUniform4f("ipScalarRangeMin",l[0],l[1],l[2],l[3]),i.setUniform4f("ipScalarRangeMax",u[0],u[1],u[2],u[3]),null!==t.zBufferTexture){i.setUniformi("zBufferTexture",t.zBufferTexture.getTextureUnit());const e=t._useSmallViewport?[t._smallViewportWidth,t._smallViewportHeight]:t._openGLRenderWindow.getFramebufferSize();i.setUniformf("vpZWidth",e[0]),i.setUniformf("vpZHeight",e[1])}},e.setCameraShaderParameters=(n,r,o)=>{const i=t.openGLCamera.getKeyMatrices(r),a=t.openGLVolume.getKeyMatrices();y(t.modelToView,i.wcvc,a.mcwc);const s=n.getProgram(),l=t.openGLCamera.getRenderable(),u=l.getClippingRange();s.setUniformf("camThick",u[1]-u[0]),s.setUniformf("camNear",u[0]),s.setUniformf("camFar",u[1]);const c=t.currentInput.getBounds(),d=t.currentInput.getDimensions(),p=new Float64Array(3),f=new Float64Array(3);let h=1,g=-1,v=1,b=-1;for(let e=0;e<8;++e)jt(p,c[e%2],c[2+Math.floor(e/2)%2],c[4+Math.floor(e/4)]),Yt(p,p,t.modelToView),l.getParallelProjection()||(Kt(f,p),Ht(p,f,-u[0]/p[2])),Yt(p,p,i.vcpc),h=Math.min(p[0],h),g=Math.max(p[0],g),v=Math.min(p[1],v),b=Math.max(p[1],b);s.setUniformf("dcxmin",h),s.setUniformf("dcxmax",g),s.setUniformf("dcymin",v),s.setUniformf("dcymax",b),s.isUniformUsed("cameraParallel")&&s.setUniformi("cameraParallel",l.getParallelProjection());const x=t.currentInput.getSpatialExtent(),_=t.currentInput.getSpacing(),T=new Float64Array(3);jt(T,(x[1]-x[0])*_[0],(x[3]-x[2])*_[1],(x[5]-x[4])*_[2]),s.setUniform3f("vSpacing",_[0],_[1],_[2]),jt(p,x[0],x[2],x[4]),t.currentInput.indexToWorldVec3(p,p),Yt(p,p,t.modelToView),s.setUniform3f("vOriginVC",p[0],p[1],p[2]);const S=t.currentInput.getIndexToWorld();y(t.idxToView,t.modelToView,S),le(t.idxNormalMatrix,i.normalMatrix,a.normalMatrix),le(t.idxNormalMatrix,t.idxNormalMatrix,t.currentInput.getDirectionByReference());const w=Gt(T)/e.getCurrentSampleDistance(r);w>t.renderable.getMaximumSamplesPerRay()&&il(`The number of steps required ${Math.ceil(w)} is larger than the\n specified maximum number of steps ${t.renderable.getMaximumSamplesPerRay()}.\n Please either change the\n volumeMapper sampleDistance or its maximum number of samples.`);const C=new Float64Array(3);if(jt(C,1,1,1),function(e,t,n){e[0]=t[0]/n[0],e[1]=t[1]/n[1],e[2]=t[2]/n[2]}(C,C,T),s.setUniform3f("vVCToIJK",C[0],C[1],C[2]),s.setUniform3i("volumeDimensions",d[0],d[1],d[2]),!t._openGLRenderWindow.getWebgl2()){const e=t.scalarTexture.getVolumeInfo();s.setUniformf("texWidth",t.scalarTexture.getWidth()),s.setUniformf("texHeight",t.scalarTexture.getHeight()),s.setUniformi("xreps",e.xreps),s.setUniformi("xstride",e.xstride),s.setUniformi("ystride",e.ystride)}const A=new Float64Array(3),E=new Float64Array(3);for(let e=0;e<6;++e){switch(e){case 1:jt(A,-1,0,0),jt(E,x[0],x[2],x[4]);break;case 2:jt(A,0,1,0),jt(E,x[1],x[3],x[5]);break;case 3:jt(A,0,-1,0),jt(E,x[0],x[2],x[4]);break;case 4:jt(A,0,0,1),jt(E,x[1],x[3],x[5]);break;case 5:jt(A,0,0,-1),jt(E,x[0],x[2],x[4]);break;default:jt(A,1,0,0),jt(E,x[1],x[3],x[5])}Jt(A,A,t.idxNormalMatrix),Yt(E,E,t.idxToView);const n=-1*qt(E,A);s.setUniform3f(`vPlaneNormal${e}`,A[0],A[1],A[2]),s.setUniformf(`vPlaneDistance${e}`,n)}if(o.getProperty().getUseLabelOutline()){const n=t.currentInput.getWorldToIndex();s.setUniformMatrix("vWCtoIDX",n);const o=r.getActiveCamera(),[i,a]=o.getClippingRange(),l=o.getDistance();o.setClippingRange(l,l+.1);const u=t.openGLCamera.getKeyMatrices(r);m(t.projectionToWorld,u.wcpc),o.setClippingRange(i,a),t.openGLCamera.getKeyMatrices(r),s.setUniformMatrix("PCWCMatrix",t.projectionToWorld);const c=e.getRenderTargetSize();s.setUniformf("vpWidth",c[0]),s.setUniformf("vpHeight",c[1]);const d=e.getRenderTargetOffset();s.setUniformf("vpOffsetX",d[0]/c[0]),s.setUniformf("vpOffsetY",d[1]/c[1])}if(m(t.projectionToView,i.vcpc),s.setUniformMatrix("PCVCMatrix",t.projectionToView),0===t.lastLightComplexity)return;let D=0;const I=[],P=[],O=[];if(r.getLights().forEach((e=>{if(e.getSwitch()>0){const t=e.getColor(),n=e.getIntensity();I[0+3*D]=t[0]*n,I[1+3*D]=t[1]*n,I[2+3*D]=t[2]*n;const r=e.getDirection();jt(A,r[0],r[1],r[2]),Jt(A,A,i.normalMatrix),Kt(A,A),P[0+3*D]=A[0],P[1+3*D]=A[1],P[2+3*D]=A[2],O[0+3*D]=-.5*A[0],O[1+3*D]=-.5*A[1],O[2+3*D]=-.5*(A[2]-1),D++}})),s.setUniformi("twoSidedLighting",r.getTwoSidedLighting()),s.setUniformi("lightNum",D),s.setUniform3fv("lightColor",I),s.setUniform3fv("lightDirectionVC",P),s.setUniform3fv("lightHalfAngleVC",O),3===t.lastLightComplexity){D=0;const e=[],n=[],o=[],i=[],a=[];r.getLights().forEach((r=>{if(r.getSwitch()>0){const s=r.getAttenuationValues();n[0+3*D]=s[0],n[1+3*D]=s[1],n[2+3*D]=s[2],i[D]=r.getExponent(),o[D]=r.getConeAngle(),a[D]=r.getPositional();const l=r.getTransformedPosition();Yt(l,l,t.modelToView),e[0+3*D]=l[0],e[1+3*D]=l[1],e[2+3*D]=l[2],D+=1}})),s.setUniform3fv("lightPositionVC",e),s.setUniform3fv("lightAttenuation",n),s.setUniformfv("lightConeAngle",o),s.setUniformfv("lightExponent",i),s.setUniformiv("lightPositional",a)}if(t.renderable.getVolumetricScatteringBlending()>0&&(s.setUniformf("giReach",t.renderable.getGlobalIlluminationReach()),s.setUniformf("volumetricScatteringBlending",t.renderable.getVolumetricScatteringBlending()),s.setUniformf("volumeShadowSamplingDistFactor",t.renderable.getVolumeShadowSamplingDistFactor()),s.setUniformf("anisotropy",t.renderable.getAnisotropy()),s.setUniformf("anisotropy2",t.renderable.getAnisotropy()**2)),t.renderable.getLocalAmbientOcclusion()&&o.getProperty().getAmbient()>0){const e=t.renderable.getLAOKernelSize();s.setUniformi("kernelSize",e);const n=[];for(let t=0;t{const o=e.getProgram();o.setUniformi("ctexture",t.colorTexture.getTextureUnit()),o.setUniformi("otexture",t.opacityTexture.getTextureUnit()),o.setUniformi("jtexture",t.jitterTexture.getTextureUnit()),o.setUniformi("ttexture",t.labelOutlineThicknessTexture.getTextureUnit());const i=t.scalarTexture.getVolumeInfo(),a=r.getProperty(),s=t.scalarTexture.getComponents(),l=r.getProperty().getIndependentComponents();if(l&&s>=2)for(let e=0;e0&&(o.setUniformf("vAmbient",a.getAmbient()),o.setUniformf("vDiffuse",a.getDiffuse()),o.setUniformf("vSpecular",a.getSpecular()),o.setUniformf("vSpecularPower",a.getSpecularPower()))},e.getClippingPlaneShaderParameters=(e,n,r)=>{if(t.renderable.getClippingPlanes().length>0){const r=t.openGLCamera.getKeyMatrices(n),o=[],i=[],a=[],s=t.renderable.getClippingPlanes(),l=s.length;for(let e=0;e{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.getRenderTargetSize=()=>{if(t._useSmallViewport)return[t._smallViewportWidth,t._smallViewportHeight];const{usize:e,vsize:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getRenderTargetOffset=()=>{const{lowerLeftU:e,lowerLeftV:n}=t._openGLRenderer.getTiledSizeAndOrigin();return[e,n]},e.getCurrentSampleDistance=e=>{const n=e.getVTKWindow().getInteractor(),r=t.renderable.getSampleDistance();return n.isAnimating()?r*t.renderable.getInteractionSampleDistanceFactor():r},e.renderPieceStart=(n,r)=>{const o=n.getVTKWindow().getInteractor();if(t._lastScale||(t._lastScale=t.renderable.getInitialInteractionScale()),t._useSmallViewport=!1,o.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._animationRateSubscription||(t._animationRateSubscription=o.onAnimationFrameRateUpdate((()=>{if(t.renderable.getAutoAdjustSampleDistances()){const e=o.getRecentAnimationFrameRate(),n=o.getDesiredUpdateRate()/e;(n>1.15||n<.85)&&(t._lastScale*=n),t._lastScale>400&&(t._lastScale=400),t._lastScale<1.5&&(t._lastScale=1.5)}else t._lastScale=t.renderable.getImageSampleDistance()*t.renderable.getImageSampleDistance()}))),t._useSmallViewport){const e=t._openGLRenderWindow.getFramebufferSize(),n=1/Math.sqrt(t._lastScale);if(t._smallViewportWidth=Math.ceil(n*e[0]),t._smallViewportHeight=Math.ceil(n*e[1]),t._smallViewportHeight>e[1]&&(t._smallViewportHeight=e[1]),t._smallViewportWidth>e[0]&&(t._smallViewportWidth=e[0]),t.framebuffer.saveCurrentBindingsAndBuffers(),null===t.framebuffer.getGLFramebuffer())t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer();else{const n=t.framebuffer.getSize();n[0]===e[0]&&n[1]===e[1]||(t.framebuffer.create(e[0],e[1]),t.framebuffer.populateFramebuffer())}t.framebuffer.bind();const r=t.context;r.clearColor(0,0,0,0),r.colorMask(!0,!0,!0,!0),r.clear(r.COLOR_BUFFER_BIT),r.viewport(0,0,t._smallViewportWidth,t._smallViewportHeight),t.fvp=[t._smallViewportWidth/e[0],t._smallViewportHeight/e[1]]}t.context.disable(t.context.DEPTH_TEST),e.updateBufferObjects(n,r),r.getProperty().getInterpolationType()===el.NEAREST?(t.scalarTexture.setMinificationFilter(Qa.NEAREST),t.scalarTexture.setMagnificationFilter(Qa.NEAREST)):(t.scalarTexture.setMinificationFilter(Qa.LINEAR),t.scalarTexture.setMagnificationFilter(Qa.LINEAR)),t.lastBoundBO=null,null!==t.zBufferTexture&&t.zBufferTexture.activate()},e.renderPieceDraw=(n,r)=>{const o=t.context;t.scalarTexture.activate(),t.opacityTexture.activate(),t.labelOutlineThicknessTexture.activate(),t.colorTexture.activate(),t.jitterTexture.activate(),e.updateShaders(t.tris,n,r),o.drawArrays(o.TRIANGLES,0,t.tris.getCABO().getElementCount()),t.tris.getVAO().release(),t.scalarTexture.deactivate(),t.colorTexture.deactivate(),t.opacityTexture.deactivate(),t.labelOutlineThicknessTexture.deactivate(),t.jitterTexture.deactivate()},e.renderPieceFinish=(e,n)=>{if(null!==t.zBufferTexture&&t.zBufferTexture.deactivate(),t._useSmallViewport){if(t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader){t.copyShader=t._openGLRenderWindow.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","uniform vec2 tfactor;","varying vec2 tcoord;","void main() { tcoord = vec2(vertexDC.x*0.5 + 0.5, vertexDC.y*0.5 + 0.5) * tfactor; gl_Position = vertexDC; }"].join("\n"),["//VTK::System::Dec","//VTK::Output::Dec","uniform sampler2D texture1;","varying vec2 tcoord;","void main() { gl_FragData[0] = texture2D(texture1,tcoord); }"].join("\n"),"");const e=t.copyShader;t.copyVAO=Ia.newInstance(),t.copyVAO.setOpenGLRenderWindow(t._openGLRenderWindow),t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(e,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),t.context.FLOAT,3,t.context.FALSE)||al("Error setting vertexDC in copy shader VAO.")}else t._openGLRenderWindow.getShaderCache().readyShaderProgram(t.copyShader);const e=t._openGLRenderWindow.getFramebufferSize();t.context.viewport(0,0,e[0],e[1]);const n=t.framebuffer.getColorTexture();n.activate(),t.copyShader.setUniformi("texture",n.getTextureUnit()),t.copyShader.setUniform2f("tfactor",t.fvp[0],t.fvp[1]);const r=t.context;r.blendFuncSeparate(r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA),t.context.drawArrays(t.context.TRIANGLES,0,t.tris.getCABO().getElementCount()),n.deactivate(),r.blendFuncSeparate(r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}},e.renderPiece=(n,r)=>{e.invokeEvent({type:"StartEvent"}),t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.invokeEvent({type:"EndEvent"}),t.currentInput?(e.renderPieceStart(n,r),e.renderPieceDraw(n,r),e.renderPieceFinish(n,r)):al("No input!")},e.computeBounds=(n,r)=>{e.getInput()?t.bounds=e.getInput().getBounds():yr(t.Bounds)},e.updateBufferObjects=(t,n)=>{e.getNeedToRebuildBufferObjects(t,n)&&e.buildBufferObjects(t,n)},e.getNeedToRebuildBufferObjects=(n,r)=>t.VBOBuildTime.getMTime(){const o=t.currentInput;if(!o)return;const i=o.getPointData()&&o.getPointData().getScalars();if(!i)return;t._scalars!==i&&(t._openGLRenderWindow.releaseGraphicsResourcesForObject(t._scalars),t._scalars=i);const a=r.getProperty();if(!t.jitterTexture.getHandle()){const e=new Uint8Array(1024);for(let t=0;t<1024;++t)e[t]=255*Math.random();t.jitterTexture.setMinificationFilter(Qa.LINEAR),t.jitterTexture.setMagnificationFilter(Qa.LINEAR),t.jitterTexture.create2DFromRaw(32,32,1,on.UNSIGNED_CHAR,e)}const s=i.getNumberOfComponents(),l=a.getIndependentComponents()?s:1,u=a.getScalarOpacity(),c=t._openGLRenderWindow.getGraphicsResourceForObject(u);let d=sl(a,u,l);if(c.vtkObj&&c.hash===d&&t.opacityTextureString===d)t.opacityTexture=c.vtkObj,t.opacityTextureString=c.hash;else{const r=1024,o=2*r*l,i=new Float32Array(o),s=new Float32Array(r);for(let t=0;t1?1:-1,e[3*t+2]=-1;const n=new Uint16Array(8);n[0]=3,n[1]=0,n[2]=1,n[3]=3,n[4]=3,n[5]=0,n[6]=3,n[7]=2;const r=Wr.newInstance({numberOfComponents:3,values:e});r.setName("points");const o=Wr.newInstance({numberOfComponents:1,values:n});t.tris.getCABO().createVBO(o,"polys",ua.SURFACE,{points:r,cellOffset:0})}t.VBOBuildTime.modified()},e.updateLabelOutlineThicknessTexture=e=>{const n=e.getProperty().getLabelOutlineThickness(),r=t._openGLRenderWindow.getGraphicsResourceForObject(n),o=`${n.join("-")}`;if(r?.vtkObj&&r?.hash===o&&t.labelOutlineThicknessTextureString===o)t.labelOutlineThicknessTexture=r.vtkObj,t.labelOutlineThicknessTextureString=r.hash;else{const e=1024,r=1,i=new Uint8Array(e*r);for(let t=0;t2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ul,n),Tt.extend(e,t,n),t.VBOBuildTime={},je(t.VBOBuildTime,{mtime:0}),t.tris=Ra.newInstance(),t.scalarTexture=hs.newInstance(),t.opacityTexture=hs.newInstance(),t.colorTexture=hs.newInstance(),t.jitterTexture=hs.newInstance(),t.jitterTexture.setWrapS(Ja.REPEAT),t.jitterTexture.setWrapT(Ja.REPEAT),t.labelOutlineThicknessTexture=hs.newInstance(),t.framebuffer=Zs.newInstance(),t.idxToView=f(new Float64Array(16)),t.idxNormalMatrix=ae(new Float64Array(9)),t.modelToView=f(new Float64Array(16)),t.projectionToView=f(new Float64Array(16)),t.projectionToWorld=f(new Float64Array(16)),$e(e,t,["context"]),ll(e,t)}),"vtkOpenGLVolumeMapper");Dt("vtkVolumeMapper",cl);const{vtkDebugMacro:dl}=vt;function pl(e,t){t.classHierarchy.push("vtkOpenGLPixelSpaceCallbackMapper"),e.opaquePass=(n,r)=>{t._openGLRenderer=e.getFirstAncestorOfType("vtkOpenGLRenderer"),t._openGLRenderWindow=t._openGLRenderer.getParent();const o=t._openGLRenderer.getAspectRatio(),i=t._openGLRenderer?t._openGLRenderer.getRenderable().getActiveCamera():null,a=t._openGLRenderer.getTiledSizeAndOrigin();let s=null;if(t.renderable.getUseZValues()){const e=r.getZBufferTexture(),n=Math.floor(e.getWidth()),o=Math.floor(e.getHeight()),i=t._openGLRenderWindow.getContext();e.bind();const a=r.getFramebuffer();a?a.saveCurrentBindingsAndBuffers():dl("No framebuffer to save/restore");const l=i.createFramebuffer();i.bindFramebuffer(i.FRAMEBUFFER,l),i.framebufferTexture2D(i.FRAMEBUFFER,i.COLOR_ATTACHMENT0,i.TEXTURE_2D,e.getHandle(),0),i.checkFramebufferStatus(i.FRAMEBUFFER)===i.FRAMEBUFFER_COMPLETE&&(s=new Uint8Array(n*o*4),i.viewport(0,0,n,o),i.readPixels(0,0,n,o,i.RGBA,i.UNSIGNED_BYTE,s)),a&&a.restorePreviousBindingsAndBuffers(),i.deleteFramebuffer(l)}t.renderable.invokeCallback(t.renderable.getInputData(),i,o,a,s)},e.queryPass=(e,n)=>{e&&t.renderable.getUseZValues()&&n.requestDepth()}}const fl={};const hl=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,fl,n),Tt.extend(e,t,n),pl(e,t)}),"vtkOpenGLPixelSpaceCallbackMapper");Dt("vtkPixelSpaceCallbackMapper",hl);const ml=Object.create(null);function gl(e,t){ml[e]=t}function vl(e,t){t.classHierarchy.push("vtkWebGPUViewNodeFactory")}const yl={};function bl(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,yl,n),t.overrides=ml,At.extend(e,t,n),vl(0,t)}var xl={newInstance:gt.newInstance(bl,"vtkWebGPUViewNodeFactory"),extend:bl};function _l(e,t){t.classHierarchy.push("vtkWebGPUCamera"),e.getProjectionMatrix=(e,n,r,o)=>{if(f(e),t.renderable.getParallelProjection()){const i=t.renderable.getParallelScale(),a=i*n,s=i,l=(o[0]-1)*a,u=(o[0]+1)*a,c=(o[1]-1)*s,d=(o[1]+1)*s,p=1/(u-l),f=1/(d-c);e[0]=2*p,e[5]=2*f,e[10]=1/(r[1]-r[0]),e[12]=(u+l)*p,e[13]=(d+c)*f,e[14]=r[1]/(r[1]-r[0])}else{const i=Math.tan(Math.PI*t.renderable.getViewAngle()/360);let a,s;!0===t.renderable.getUseHorizontalViewAngle()?(a=r[0]*i,s=r[0]*i/n):(a=r[0]*i*n,s=r[0]*i);const l=(o[0]-1)*a,u=(o[0]+1)*a,c=(o[1]-1)*s,d=(o[1]+1)*s;e[0]=2*r[0]/(u-l),e[5]=2*r[0]/(d-c),e[12]=(l+u)/(u-l),e[13]=(c+d)/(d-c),e[10]=0,e[14]=r[0],e[11]=-1,e[15]=0}},e.convertToOpenGLDepth=e=>{if(t.renderable.getParallelProjection())return 1-e;const n=t.renderable.getClippingRangeByReference();let r=-n[0]/e;return 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lu(e,t){t.classHierarchy.push("vtkWebGPUFullScreenQuad"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position"),r.addOutput("vec4","vertexVC");let o=r.getCode();o=Fl.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4(vertexBC, 1.0);","output.vertexVC = vec4(vertexBC, 1);"]).result,r.setCode(o)},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.updateBuffers=()=>{const e=t.device.getBufferManager().getFullScreenQuadBuffer();t.vertexInput.addBuffer(e,["vertexBC"]),t.numberOfVertices=6}}const uu={};function cu(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uu,n),su.extend(e,t,n),lu(e,t)}var du={newInstance:gt.newInstance(cu,"vtkWebGPUFullScreenQuad"),extend:cu},pu={BufferUsage:{Verts:0,Lines:1,Triangles:2,Strips:3,LinesFromStrips:4,LinesFromTriangles:5,Points:6,UniformArray:7,PointArray:8,NormalsFromPoints:9,Texture:10,RawVertex:11,Storage:12,Index:13},PrimitiveTypes:{Start:0,Points:0,Lines:1,Triangles:2,TriangleStrips:3,TriangleEdges:4,TriangleStripEdges:5,End:6}};const fu=["getMappedRange","mapAsync","unmap"];function hu(e,t){t.classHierarchy.push("vtkWebGPUBuffer"),e.create=(e,n)=>{t.handle=t.device.getHandle().createBuffer({size:e,usage:n,label:t.label}),t.sizeInBytes=e,t.usage=n},e.write=e=>{!function(e,t,n,r){const o=r.byteLength,i=e.createBuffer({size:o,usage:GPUBufferUsage.COPY_SRC,mappedAtCreation:!0}),a=i.getMappedRange(0,o);new Uint8Array(a).set(new Uint8Array(r)),i.unmap();const s=e.createCommandEncoder();s.copyBufferToBuffer(i,0,t,0,o);const l=s.finish();e.queue.submit([l]),i.destroy()}(t.device.getHandle(),t.handle,0,e.buffer)},e.createAndWrite=(e,n)=>{t.handle=t.device.getHandle().createBuffer({size:e.byteLength,usage:n,mappedAtCreation:!0,label:t.label}),t.sizeInBytes=e.byteLength,t.usage=n,new Uint8Array(t.handle.getMappedRange()).set(new Uint8Array(e.buffer)),t.handle.unmap()};for(let n=0;n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,mu,n),gt.obj(e,t),gt.get(e,t,["handle","sizeInBytes","usage"]),gt.setGet(e,t,["strideInBytes","device","arrayInformation","label","sourceTime"]),hu(e,t)}var vu={newInstance:gt.newInstance(gu),extend:gu,...pu};const{Representation:yu,Interpolation:bu}=ca;function xu(e){return()=>gt.vtkErrorMacro(`vtkProperty::${e} - NOT IMPLEMENTED`)}function _u(e,t){t.classHierarchy.push("vtkProperty"),e.setColor=(n,r,o)=>{Array.isArray(n)?t.color[0]===n[0]&&t.color[1]===n[1]&&t.color[2]===n[2]||(t.color[0]=n[0],t.color[1]=n[1],t.color[2]=n[2],e.modified()):t.color[0]===n&&t.color[1]===r&&t.color[2]===o||(t.color[0]=n,t.color[1]=r,t.color[2]=o,e.modified()),e.setDiffuseColor(t.color),e.setAmbientColor(t.color),e.setSpecularColor(t.color)},e.computeCompositeColor=xu("ComputeCompositeColor"),e.getColor=()=>{let e=0;t.ambient+t.diffuse+t.specular>0&&(e=1/(t.ambient+t.diffuse+t.specular));for(let n=0;n<3;n++)t.color[n]=e*(t.ambient*t.ambientColor[n]+t.diffuse*t.diffuseColor[n]+t.specular*t.specularColor[n]);return[].concat(t.color)},e.setSpecularPower=n=>{const r=1/Math.max(1,n);t.roughness===r&&t.specularPower===n||(t.specularPower=n,t.roughness=r,e.modified())},e.addShaderVariable=xu("AddShaderVariable"),e.setInterpolationToFlat=()=>e.setInterpolation(bu.FLAT),e.setInterpolationToGouraud=()=>e.setInterpolation(bu.GOURAUD),e.setInterpolationToPhong=()=>e.setInterpolation(bu.PHONG),e.getInterpolationAsString=()=>gt.enumToString(bu,t.interpolation),e.setRepresentationToWireframe=()=>e.setRepresentation(yu.WIREFRAME),e.setRepresentationToSurface=()=>e.setRepresentation(yu.SURFACE),e.setRepresentationToPoints=()=>e.setRepresentation(yu.POINTS),e.getRepresentationAsString=()=>gt.enumToString(yu,t.representation)}const Tu={color:[1,1,1],ambientColor:[1,1,1],diffuseColor:[1,1,1],specularColor:[1,1,1],edgeColor:[0,0,0],ambient:0,diffuse:1,metallic:0,roughness:.6,normalStrength:1,emission:1,baseIOR:1.45,specular:0,specularPower:1,opacity:1,interpolation:bu.GOURAUD,representation:yu.SURFACE,edgeVisibility:!1,backfaceCulling:!1,frontfaceCulling:!1,pointSize:1,lineWidth:1,lighting:!0,shading:!1,materialName:null};function Su(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Tu,n),gt.obj(e,t),gt.setGet(e,t,["lighting","interpolation","ambient","diffuse","metallic","roughness","normalStrength","emission","baseIOR","specular","specularPower","opacity","edgeVisibility","lineWidth","pointSize","backfaceCulling","frontfaceCulling","representation","diffuseTexture","metallicTexture","roughnessTexture","normalTexture","ambientOcclusionTexture","emissionTexture"]),gt.setGetArray(e,t,["ambientColor","specularColor","diffuseColor","edgeColor"],3),_u(e,t)}var wu={newInstance:gt.newInstance(Su,"vtkProperty"),extend:Su,...ca};const{Representation:Cu}=wu,{PrimitiveTypes:Au}=pu;class Eu{constructor(){this.keys=new Uint32Array(10),this.values=new Uint32Array(10),this.count=0}clear(){this.count=0}has(e){for(let t=0;t2)for(let i=0;i2){for(let i=0;i{const n=e.cells,r=e.primitiveType,o=e.representation,i=e.cellOffset,a=n.getData(),s=a.length,l=function(e){switch(e){case Au.Points:return"points";case Au.Lines:return"lines";case Au.Triangles:case Au.TriangleEdges:return"polys";case Au.TriangleStripEdges:case Au.TriangleStrips:return"strips";default:return""}}(r),u=e.numberOfPoints,c={provokedPointIds:new Uint8Array(u),extraPoints:0,iboSize:0,flatId:0,iboId:0,cellProvokedMap:new Eu};let d=null;d=o===Cu.POINTS||r===Au.Points?Fu.anythingToPoints:o===Cu.WIREFRAME||r===Au.Lines?Fu[`${l}ToWireframe`]:Fu[`${l}ToSurface`],Ou=Pu;let p=i||0;for(let e=0;e2&&void 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2:t+="x2";break;case 3:t.includes("32")||Gu(`unsupported x3 type for ${t}`),t+="x3";break;case 4:t+="x4"}return t}(t),o={hash:`${t.getMTime()}I${n.getMTime()}${r}`,usage:Uu.PointArray,format:r,dataArray:t,indexBuffer:n};return e.getBuffer(o)},e.getFullScreenQuadBuffer=()=>{if(t.fullScreenQuadBuffer)return t.fullScreenQuadBuffer;t.fullScreenQuadBuffer=vu.newInstance(),t.fullScreenQuadBuffer.setDevice(t.device);const e=new Float32Array([-1,-1,0,1,-1,0,1,1,0,-1,-1,0,1,1,0,-1,1,0]);return t.fullScreenQuadBuffer.createAndWrite(e,GPUBufferUsage.VERTEX),t.fullScreenQuadBuffer.setStrideInBytes(12),t.fullScreenQuadBuffer.setArrayInformation([{offset:0,format:"float32x3"}]),t.fullScreenQuadBuffer}}const Xu={device:null,fullScreenQuadBuffer:null};function Ku(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Xu,n),je(e,t),$e(e,t,["device"]),Hu(e,t)}var qu={newInstance:rt(Ku),extend:Ku,...pu};const{BufferUsage:$u}=qu,{vtkErrorMacro:Yu}=gt;function Ju(e,t){t.classHierarchy.push("vtkWebGPUStorageBuffer"),e.addEntry=(e,n)=>{if(t._bufferEntryNames.has(e))return void Yu(`entry named ${e} already exists`);t._bufferEntryNames.set(e,t.bufferEntries.length);const r=$l(n);t.bufferEntries.push({name:e,type:n,sizeInBytes:r,offset:t.sizeInBytes,nativeType:Yl(n)}),t.sizeInBytes+=r},e.send=e=>{if(!t._buffer){const n={nativeArray:t.Float32Array,usage:$u.Storage,label:t.label};return t._buffer=e.getBufferManager().getBuffer(n),t.bindGroupTime.modified(),void t._sendTime.modified()}e.getHandle().queue.writeBuffer(t._buffer.getHandle(),0,t.arrayBuffer,0,t.sizeInBytes*t.numberOfInstances),t._sendTime.modified()},e.createView=e=>{e in t==0&&(t.arrayBuffer||(t.arrayBuffer=new ArrayBuffer(t.sizeInBytes*t.numberOfInstances)),t[e]=gt.newTypedArray(e,t.arrayBuffer))},e.setValue=(n,r,o)=>{const i=t._bufferEntryNames.get(n);if(void 0===i)return void Yu(`entry named ${n} not found in UBO`);const a=t.bufferEntries[i];e.createView(a.nativeType);const 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e=0;et._sendTime.getMTime(),e.getShaderCode=(e,n)=>{const r=[`struct ${t.label}StructEntry\n{`];for(let e=0;e,\n};\n@binding(${e}) @group(${n}) var ${t.label}: ${t.label}Struct;\n`),r.join("\n")},e.getBindGroupEntry=()=>({resource:{buffer:t._buffer.getHandle()}}),e.clearData=()=>{t.numberOfInstances=0,t.sizeInBytes=0,t.bufferEntries=[],t._bufferEntryNames=new Map,t._buffer=null,delete t.arrayBuffer,delete t.Float32Array}}const Qu={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,numberOfInstances:1};function Zu(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Qu,n),gt.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t._sendTime={},gt.obj(t._sendTime,{mtime:0}),t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"read-only-storage"}},gt.get(e,t,["bindGroupTime"]),gt.setGet(e,t,["device","bindGroupLayoutEntry","label","numberOfInstances","sizeInBytes"]),Ju(e,t)}var ec={newInstance:gt.newInstance(Zu,"vtkWebGPUStorageBuffer"),extend:Zu};const{BufferUsage:tc}=qu,{vtkErrorMacro:nc}=gt;function rc(e,t){t.classHierarchy.push("vtkWebGPUUniformBuffer"),e.addEntry=(e,n)=>{t._bufferEntryNames.has(e)?nc(`entry named ${e} already exists`):(t.sortDirty=!0,t._bufferEntryNames.set(e,t.bufferEntries.length),t.bufferEntries.push({name:e,type:n,sizeInBytes:$l(n),offset:-1,nativeType:Yl(n),packed:!1}))},e.sortBufferEntries=()=>{if(!t.sortDirty)return;let e=0;const n=[];let r=4;for(let e=0;e4&&(o.packed=!0,o.offset=e,n.push(o),e+=o.sizeInBytes)}for(let r=0;r{if(!t.UBO){const n={nativeArray:t.Float32Array,usage:tc.UniformArray,label:t.label};t.UBO=e.getBufferManager().getBuffer(n),t.bindGroupTime.modified(),t.sendDirty=!1}t.sendDirty&&(e.getHandle().queue.writeBuffer(t.UBO.getHandle(),0,t.arrayBuffer,0,t.sizeInBytes),t.sendDirty=!1),t.sendTime.modified()},e.createView=e=>{e in t==0&&(t.arrayBuffer||(t.arrayBuffer=new ArrayBuffer(t.sizeInBytes)),t[e]=gt.newTypedArray(e,t.arrayBuffer))},e.setValue=(n,r)=>{e.sortBufferEntries();const o=t._bufferEntryNames.get(n);if(void 0===o)return void nc(`entry named ${n} not found in UBO`);const i=t.bufferEntries[o];e.createView(i.nativeType);const a=t[i.nativeType];i.lastValue!==r&&(a[i.offset/a.BYTES_PER_ELEMENT]=r,t.sendDirty=!0),i.lastValue=r},e.setArray=(n,r)=>{e.sortBufferEntries();const o=t._bufferEntryNames.get(n);if(void 0===o)return void nc(`entry named ${n} not found in UBO`);const i=t.bufferEntries[o];e.createView(i.nativeType);const a=t[i.nativeType];let s=!1;for(let e=0;e({resource:{buffer:t.UBO.getHandle()}}),e.getSendTime=()=>t.sendTime.getMTime(),e.getShaderCode=(n,r)=>{e.sortBufferEntries();const o=[`struct ${t.label}Struct\n{`];for(let e=0;e ${t.label}: ${t.label}Struct;`),o.join("\n")}}const oc={bufferEntries:null,bufferEntryNames:null,sizeInBytes:0,label:null,bindGroupLayoutEntry:null,bindGroupEntry:null};function ic(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,oc,n),gt.obj(e,t),t._bufferEntryNames=new Map,t.bufferEntries=[],t.bindGroupLayoutEntry=t.bindGroupLayoutEntry||{buffer:{type:"uniform"}},t.sendTime={},gt.obj(t.sendTime,{mtime:0}),t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),t.sendDirty=!0,t.sortDirty=!0,gt.get(e,t,["binding","bindGroupTime"]),gt.setGet(e,t,["bindGroupLayoutEntry","device","label","sizeInBytes"]),rc(e,t)}var ac={newInstance:gt.newInstance(ic,"vtkWebGPUUniformBuffer"),extend:ic};const{vtkDebugMacro:sc}=vt,lc="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = mapperUBO.BackgroundColor;\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n",uc=new Float64Array(16),cc=new Float64Array(16);function dc(e,t){t.classHierarchy.push("vtkWebGPURenderer"),e.buildPass=n=>{if(n){if(!t.renderable)return;t.camera=t.renderable.getActiveCamera(),e.updateLights(),e.prepareNodes(),e.addMissingNode(t.camera),e.addMissingNodes(t.renderable.getViewPropsWithNestedProps()),e.removeUnusedNodes(),t.webgpuCamera=e.getViewNodeFor(t.camera),e.updateStabilizedMatrix()}},e.updateStabilizedMatrix=()=>{const e=t.camera.getClippingRange(),n=t.camera.getPositionByReference(),r=[],o=[];Ht(o,t.camera.getDirectionOfProjectionByReference(),.5*(e[0]+e[1])),function(e,t,n){e[0]=t[0]+n[0],e[1]=t[1]+n[1],e[2]=t[2]+n[2]}(r,n,o),tn(o,r,t.stabilizedCenter),nn(o)/(e[1]-e[0])>t.recenterThreshold&&(t.stabilizedCenter=r,t.stabilizedTime.modified())},e.updateLights=()=>{let e=0;const n=t.renderable.getLightsByReference();for(let t=0;t0&&e++;return e||(sc("No lights are on, creating one."),t.renderable.createLight()),e},e.updateUBO=()=>{const n=t.UBO.getSendTime();if(t._parent.getMTime()>n||e.getMTime()>n||t.camera.getMTime()>n||t.renderable.getMTime()>n){const n=t.webgpuCamera.getKeyMatrices(e);t.UBO.setArray("WCVCMatrix",n.wcvc),t.UBO.setArray("SCPCMatrix",n.scpc),t.UBO.setArray("PCSCMatrix",n.pcsc),t.UBO.setArray("SCVCMatrix",n.scvc),t.UBO.setArray("VCPCMatrix",n.vcpc),t.UBO.setArray("WCVCNormals",n.normalMatrix),t.UBO.setValue("LightCount",t.renderable.getLights().length),t.UBO.setValue("MaxEnvironmentMipLevel",t.renderable.getEnvironmentTexture()?.getMipLevel()),t.UBO.setValue("BackgroundDiffuseStrength",t.renderable.getEnvironmentTextureDiffuseStrength()),t.UBO.setValue("BackgroundSpecularStrength",t.renderable.getEnvironmentTextureSpecularStrength());const r=e.getYInvertedTiledSizeAndOrigin();t.UBO.setArray("viewportSize",[r.usize,r.vsize]),t.UBO.setValue("cameraParallel",t.camera.getParallelProjection());const o=t._parent.getDevice();t.UBO.sendIfNeeded(o)}},e.updateSSBO=()=>{const n=t.renderable.getLights(),r=t.webgpuCamera.getKeyMatrices(e);let o=`${t.renderable.getMTime()}`;for(let e=0;e=90?0:2:1,s[l+1]=Math.cos(xn(n[t].getConeAngle())),s[l+2]=Math.cos(xn(n[t].getConeAngle()+n[t].getConeFalloff())),s[l+3]=0}t.SSBO.clearData(),t.SSBO.setNumberOfInstances(n.length),t.SSBO.addEntry("LightPos","vec4"),t.SSBO.addEntry("LightDir","vec4"),t.SSBO.addEntry("LightColor","vec4"),t.SSBO.addEntry("LightData","vec4"),t.SSBO.setAllInstancesFromArray("LightPos",e),t.SSBO.setAllInstancesFromArray("LightDir",o),t.SSBO.setAllInstancesFromArray("LightColor",a),t.SSBO.setAllInstancesFromArray("LightData",s);const l=t._parent.getDevice();t.SSBO.send(l)}var i;t.lightTimeString=o},e.scissorAndViewport=t=>{const n=e.getYInvertedTiledSizeAndOrigin();t.getHandle().setViewport(n.lowerLeftU,n.lowerLeftV,n.usize,n.vsize,0,1),t.getHandle().setScissorRect(n.lowerLeftU,n.lowerLeftV,n.usize,n.vsize)},e.bindUBO=e=>{e.activateBindGroup(t.bindGroup)},e.opaquePass=n=>{n?(t.renderEncoder.begin(t._parent.getCommandEncoder()),e.updateUBO(),e.updateSSBO()):(e.scissorAndViewport(t.renderEncoder),e.clear(),t.renderEncoder.end())},e.clear=()=>{if(t.renderable.getTransparent()||t.suppressClear)return;const n=t._parent.getDevice();if(!t.clearFSQ){t.clearFSQ=du.newInstance(),t.clearFSQ.setDevice(n),t.clearFSQ.setPipelineHash("clearfsq"),t.clearFSQ.setFragmentShaderTemplate(lc);const e=ac.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e),t.backgroundTex=t.renderable.getEnvironmentTexture()}if("clearfsqwithtexture"!==t.clearFSQ.getPipelineHash()&&t.renderable.getUseEnvironmentTextureAsBackground()&&t.backgroundTex?.getImageLoaded()){t.clearFSQ.setFragmentShaderTemplate("\nfn vecToRectCoord(dir: vec3) -> vec2 {\n var tau: f32 = 6.28318530718;\n var pi: f32 = 3.14159265359;\n var out: vec2 = vec2(0.0);\n\n out.x = atan2(dir.z, dir.x) / tau;\n out.x += 0.5;\n\n var phix: f32 = length(vec2(dir.x, dir.z));\n out.y = atan2(dir.y, phix) / pi + 0.5;\n\n return out;\n}\n\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var tcoord: vec4 = vec4(input.vertexVC.xy, -1, 1);\n var V: vec4 = normalize(mapperUBO.FSQMatrix * tcoord); // vec2((input.tcoordVS.x - 0.5) * 2, -(input.tcoordVS.y - 0.5) * 2);\n // textureSampleLevel gets rid of some ugly artifacts\n var background = textureSampleLevel(EnvironmentTexture, EnvironmentTextureSampler, vecToRectCoord(V.xyz), 0);\n var computedColor: vec4 = vec4(background.rgb, 1);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n");const e=ac.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e);const r=n.getTextureManager().getTextureForVTKTexture(t.backgroundTex);if(r.getReady()){const e=r.createView("EnvironmentTexture");t.clearFSQ.setTextureViews([e]),t.backgroundTexLoaded=!0;const o=t.backgroundTex.getInterpolate()?"linear":"nearest";e.addSampler(n,{addressModeU:"repeat",addressModeV:"clamp-to-edge",addressModeW:"repeat",minFilter:o,magFilter:o,mipmapFilter:"linear"})}t.clearFSQ.setPipelineHash("clearfsqwithtexture")}else if("clearfsqwithtexture"===t.clearFSQ.getPipelineHash()&&!t.renderable.getUseEnvironmentTextureAsBackground()){t.clearFSQ=du.newInstance(),t.clearFSQ.setDevice(n),t.clearFSQ.setPipelineHash("clearfsq"),t.clearFSQ.setFragmentShaderTemplate(lc);const e=ac.newInstance({label:"mapperUBO"});e.addEntry("FSQMatrix","mat4x4"),e.addEntry("BackgroundColor","vec4"),t.clearFSQ.setUBO(e)}const r=t.webgpuCamera.getKeyMatrices(e),o=t.renderable.getBackgroundByReference();t.clearFSQ.getUBO().setArray("BackgroundColor",o),h(cc,r.normalMatrix),re(uc,r.scvc,r.pcsc),re(uc,cc,uc),t.clearFSQ.getUBO().setArray("FSQMatrix",uc),t.clearFSQ.getUBO().sendIfNeeded(n),t.clearFSQ.prepareAndDraw(t.renderEncoder)},e.translucentPass=n=>{n?t.renderEncoder.begin(t._parent.getCommandEncoder()):(e.scissorAndViewport(t.renderEncoder),t.renderEncoder.end())},e.volumeDepthRangePass=n=>{n?t.renderEncoder.begin(t._parent.getCommandEncoder()):(e.scissorAndViewport(t.renderEncoder),t.renderEncoder.end())},e.getAspectRatio=()=>{const e=t._parent.getSizeByReference(),n=t.renderable.getViewportByReference();return e[0]*(n[2]-n[0])/((n[3]-n[1])*e[1])},e.convertToOpenGLDepth=e=>t.webgpuCamera.convertToOpenGLDepth(e),e.getYInvertedTiledSizeAndOrigin=()=>{const n=e.getTiledSizeAndOrigin(),r=t._parent.getSizeByReference();return n.lowerLeftV=r[1]-n.vsize-n.lowerLeftV,n},e.getTiledSizeAndOrigin=()=>{const e=t.renderable.getViewportByReference(),n=[0,0,1,1],r=e[0]-n[0],o=e[1]-n[1],i=t._parent.normalizedDisplayToDisplay(r,o),a=Math.round(i[0]),s=Math.round(i[1]),l=e[2]-n[0],u=e[3]-n[1],c=t._parent.normalizedDisplayToDisplay(l,u);let d=Math.round(c[0])-a,p=Math.round(c[1])-s;return d<0&&(d=0),p<0&&(p=0),{usize:d,vsize:p,lowerLeftU:a,lowerLeftV:s}},e.getPropFromID=e=>{for(let n=0;nt.stabilizedTime.getMTime(),e.releaseGraphicsResources=()=>{null!==t.selector&&t.selector.releaseGraphicsResources()}}const pc={bindGroup:null,selector:null,renderEncoder:null,recenterThreshold:20,suppressClear:!1,stabilizedCenter:[0,0,0]};const fc=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,pc,n),Tt.extend(e,t,n),t.UBO=ac.newInstance({label:"rendererUBO"}),t.UBO.addEntry("WCVCMatrix","mat4x4"),t.UBO.addEntry("SCPCMatrix","mat4x4"),t.UBO.addEntry("PCSCMatrix","mat4x4"),t.UBO.addEntry("SCVCMatrix","mat4x4"),t.UBO.addEntry("VCPCMatrix","mat4x4"),t.UBO.addEntry("WCVCNormals","mat4x4"),t.UBO.addEntry("viewportSize","vec2"),t.UBO.addEntry("LightCount","i32"),t.UBO.addEntry("MaxEnvironmentMipLevel","f32"),t.UBO.addEntry("BackgroundDiffuseStrength","f32"),t.UBO.addEntry("BackgroundSpecularStrength","f32"),t.UBO.addEntry("cameraParallel","u32"),t.SSBO=ec.newInstance({label:"rendererLightSSBO"}),t.lightTimeString="",t.bindGroup=El.newInstance({label:"rendererBG"}),t.bindGroup.setBindables([t.UBO,t.SSBO]),t.tmpMat4=f(new Float64Array(16)),t.stabilizedTime={},je(t.stabilizedTime,{mtime:0}),He(e,t,["bindGroup","stabilizedTime"]),Ye(e,t,["stabilizedCenter"]),$e(e,t,["renderEncoder","selector","suppressClear","UBO"]),dc(e,t)}),"vtkWebGPURenderer");function hc(e,t){t.classHierarchy.push("vtkWebGPUSampler"),e.create=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};t.device=e,t.options.addressModeU=n.addressModeU?n.addressModeU:"clamp-to-edge",t.options.addressModeV=n.addressModeV?n.addressModeV:"clamp-to-edge",t.options.addressModeW=n.addressModeW?n.addressModeW:"clamp-to-edge",t.options.magFilter=n.magFilter?n.magFilter:"nearest",t.options.minFilter=n.minFilter?n.minFilter:"nearest",t.options.mipmapFilter=n.mipmapFilter?n.mipmapFilter:"nearest",t.options.label=t.label,t.handle=t.device.getHandle().createSampler(t.options),t.bindGroupTime.modified()},e.getShaderCode=(e,n)=>`@binding(${e}) @group(${n}) var ${t.label}: sampler;`,e.getBindGroupEntry=()=>({resource:t.handle})}gl("vtkRenderer",fc);const mc={device:null,handle:null,label:null,options:null};function gc(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,mc,n),gt.obj(e,t),t.options={},t.bindGroupLayoutEntry={visibility:GPUShaderStage.VERTEX|GPUShaderStage.FRAGMENT,sampler:{}},t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),gt.get(e,t,["bindGroupTime","handle","options"]),gt.setGet(e,t,["bindGroupLayoutEntry","device","label"]),hc(e,t)}var vc={newInstance:gt.newInstance(gc),extend:gc};const{SlicingMode:yc}=Is,bc="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Image::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n //VTK::Image::Sample\n\n // var computedColor: vec4 = vec4(1.0,0.7, 0.5, 1.0);\n\n//VTK::RenderEncoder::Impl\n\n return output;\n}\n",xc=new Float64Array(16),_c=new Float64Array(16),Tc=new Float64Array(16),Sc=new Float64Array(4),wc=new Float64Array(4);function Cc(e,t){t.classHierarchy.push("vtkWebGPUImageMapper"),e.buildPass=n=>{if(n){t.WebGPUImageSlice=e.getFirstAncestorOfType("vtkWebGPUImageSlice"),t.WebGPURenderer=t.WebGPUImageSlice.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent(),t.device=t.WebGPURenderWindow.getDevice();const n=t.WebGPURenderer.getRenderable();t.renderable.getSliceAtFocalPoint()&&t.renderable.setSliceFromCamera(n.getActiveCamera())}},e.translucentPass=t=>{t&&e.render()},e.opaquePass=t=>{t&&e.render()},e.render=()=>{t.renderable.update(),t.currentInput=t.renderable.getInputData(),e.prepareToDraw(t.WebGPURenderer.getRenderEncoder()),t.renderEncoder.registerDrawCallback(t.pipeline,e.draw)},e.computePipelineHash=()=>{const e=t.currentInput.getExtent();e[0]===e[1]||e[2]===e[3]||e[4]===e[5]?(t.dimensions=2,t.pipelineHash="img2"):(t.dimensions=3,t.pipelineHash="img3")},e.updateUBO=()=>{const n=t.UBO.getSendTime(),r=t.WebGPUImageSlice.getRenderable(),o=r.getMapper();if(e.getMTime()>n||t.renderable.getMTime()>n||r.getProperty().getMTime()>n){const e=o.getInputData(),n=t.WebGPURenderer.getStabilizedCenterByReference();f(xc),b(xc,xc,n);const i=r.getMatrix();h(_c,i),m(_c,_c),y(xc,_c,xc);const a=e.getWorldToIndex();y(xc,a,xc),m(Tc,xc),C(_c,[.5,.5,.5]),y(xc,_c,xc);const s=e.getDimensions();f(_c),x(_c,_c,[1/s[0],1/s[1],1/s[2]]),y(xc,_c,xc),t.UBO.setArray("SCTCMatrix",xc);const l=t.currentInput.getExtent(),{ijkMode:u}=t.renderable.getClosestIJKAxis();let c=t.renderable.getSlice();u!==t.renderable.getSlicingMode()&&(c=t.renderable.getSliceAtPosition(c));let d=2,p=0,g=1;u===yc.I?(d=0,p=1,g=2):u===yc.J&&(d=1,p=2,g=0),Sc[d]=c,Sc[p]=l[2*p]-.5,Sc[g]=l[2*g]-.5,Sc[3]=1,Mo(Sc,Sc,Tc),t.UBO.setArray("Origin",Sc),wc[d]=c,wc[p]=l[2*p+1]+.5,wc[g]=l[2*g]-.5,wc[3]=1,Mo(wc,wc,Tc),No(wc,wc,Sc),wc[3]=1,t.UBO.setArray("Axis1",wc),wc[d]=c,wc[p]=l[2*p]-.5,wc[g]=l[2*g+1]+.5,wc[3]=1,Mo(wc,wc,Tc),No(wc,wc,Sc),wc[3]=1,t.UBO.setArray("Axis2",wc);const v=[1,1,1,1],_=[0,0,0,0],T=t.textureViews[0],S=T.getTexture().getScale(),w=T.getTexture().getNumberOfComponents();for(let e=0;e{const n=t.WebGPUImageSlice.getRenderable().getProperty();e.getTextureViews()[0].getTexture().getNumberOfComponents();const r=function(e,t,n){if(t.apply(e)){const t=e.getIndependentComponents();return`${e.getMTime()}-${t}-1`}return"0"}(n,n.getRGBTransferFunction);if(t.colorTextureString!==r){t.numRows=1;const e=new Uint8Array(2*t.numRows*t.rowLength*4);let o=n.getRGBTransferFunction();if(o){const r=new Float32Array(3*t.rowLength);for(let i=0;i<1;i++){o=n.getRGBTransferFunction(i);const a=o.getRange();o.getTable(a[0],a[1],t.rowLength,r,1);for(let n=0;n{n();const r=t.device.getTextureManager().getTextureForImageData(t.currentInput),o=t.textureViews;if(!o[0]||o[0].getTexture()!==r){const e=r.createView("imgTexture");o[0]=e}e.updateLUTImage(),e.updateUBO();const i=t.WebGPUImageSlice.getRenderable().getProperty().getInterpolationType()===Ts?"nearest":"linear";t.clampSampler&&i===t.clampSampler.getOptions().minFilter||(t.clampSampler=vc.newInstance({label:"clampSampler"}),t.clampSampler.create(t.device,{minFilter:i,magFilter:i}),t.additionalBindables=[t.clampSampler])};const r=e.getShaderReplacements();e.replaceShaderPosition=(e,n,r)=>{const o=n.getShaderDescription("vertex");o.addBuiltinOutput("vec4","@builtin(position) Position");let i=o.getCode();const a=["var pos: vec4 = mapperUBO.Origin +"," (vertexBC.x * 0.5 + 0.5) * mapperUBO.Axis1 + (vertexBC.y * 0.5 + 0.5) * mapperUBO.Axis2;","pos.w = 1.0;"];2===t.dimensions?a.push("var tcoord : vec2 = (mapperUBO.SCTCMatrix * pos).xy;"):a.push("var tcoord : vec3 = (mapperUBO.SCTCMatrix * pos).xyz;"),a.push("output.tcoordVS = tcoord;","output.Position = rendererUBO.SCPCMatrix * pos;"),i=Fl.substitute(i,"//VTK::Position::Impl",a).result,o.setCode(i)},r.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderTCoord=(e,n,r)=>{const o=n.getShaderDescription("vertex");2===t.dimensions?o.addOutput("vec2","tcoordVS"):o.addOutput("vec3","tcoordVS")},r.set("replaceShaderTCoord",e.replaceShaderTCoord),e.replaceShaderImage=(e,n,r)=>{const o=n.getShaderDescription("fragment");let i=o.getCode();t.dimensions,i=Fl.substitute(i,"//VTK::Image::Sample",[" var computedColor: vec4 ="," textureSampleLevel(imgTexture, clampSampler, input.tcoordVS, 0.0);","//VTK::Image::Sample"]).result,i=Fl.substitute(i,"//VTK::Image::Sample",[" var coord: vec2 ="," vec2(computedColor.r * mapperUBO.cScale.r + mapperUBO.cShift.r, 0.5);"," computedColor = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);"]).result,o.setCode(i)},r.set("replaceShaderImage",e.replaceShaderImage)}const Ac={rowLength:1024};const Ec=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ac,n),du.extend(e,t,n),e.setFragmentShaderTemplate(bc),t.UBO=ac.newInstance({label:"mapperUBO"}),t.UBO.addEntry("SCTCMatrix","mat4x4"),t.UBO.addEntry("Origin","vec4"),t.UBO.addEntry("Axis2","vec4"),t.UBO.addEntry("Axis1","vec4"),t.UBO.addEntry("cScale","vec4"),t.UBO.addEntry("cShift","vec4"),t.lutBuildTime={},je(t.lutBuildTime,{mtime:0}),t.imagemat=f(new Float64Array(16)),t.imagematinv=f(new Float64Array(16)),t.VBOBuildTime={},je(t.VBOBuildTime),Cc(e,t)}),"vtkWebGPUImageMapper");function Dc(e,t){t.classHierarchy.push("vtkWebGPUImageSlice"),e.buildPass=n=>{if(t.renderable&&t.renderable.getVisibility()&&n){if(!t.renderable)return;t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),e.prepareNodes(),e.addMissingNode(t.renderable.getMapper()),e.removeUnusedNodes()}},e.traverseOpaquePass=n=>{t.renderable&&t.renderable.getNestedVisibility()&&t.renderable.getIsOpaque()&&(!t.WebGPURenderer.getSelector()||t.renderable.getNestedPickable())&&(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.traverseTranslucentPass=n=>{!t.renderable||!t.renderable.getNestedVisibility()||t.renderable.getIsOpaque()||t.WebGPURenderer.getSelector()&&!t.renderable.getNestedPickable()||(e.apply(n,!0),t.children.forEach((e=>{e.traverse(n)})),e.apply(n,!1))},e.queryPass=(e,n)=>{if(e){if(!t.renderable||!t.renderable.getVisibility())return;t.renderable.getIsOpaque()?n.incrementOpaqueActorCount():n.incrementTranslucentActorCount()}},e.getBufferShift=n=>(e.getKeyMatrices(n),t.bufferShift),e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix(),r=e.getStabilizedCenterByReference();t.bufferShift[0]=n[3]-r[0],t.bufferShift[1]=n[7]-r[1],t.bufferShift[2]=n[11]-r[2],h(t.keyMatrices.bcwc,n),t.renderable.getIsIdentity()?f(t.keyMatrices.normalMatrix):(c(t.keyMatrices.normalMatrix,t.keyMatrices.bcwc),t.keyMatrices.normalMatrix[3]=0,t.keyMatrices.normalMatrix[7]=0,t.keyMatrices.normalMatrix[11]=0,m(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix),h(t.keyMatrices.normalMatrix,t.keyMatrices.normalMatrix)),b(t.keyMatrices.bcwc,t.keyMatrices.bcwc,[-t.bufferShift[0],-t.bufferShift[1],-t.bufferShift[2]]),b(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]),t.keyMatricesTime.modified()}return t.keyMatrices}}gl("vtkImageMapper",Ec);const Ic={bufferShift:void 0,keyMatrixTime:null,keyMatrices:null,propID:void 0};const Pc=rt((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ic,n),Tt.extend(e,t,n),t.keyMatricesTime={},je(t.keyMatricesTime,{mtime:0}),t.keyMatrices={normalMatrix:new Float64Array(16),bcwc:new Float64Array(16),bcsc:new Float64Array(16)},t.keyMatrixTime={},je(t.keyMatrixTime,{mtime:0}),t.keyMatrices={mcwc:f(new Float64Array(16))},t.bufferShift=[0,0,0,0],He(e,t,["propID","keyMatricesTime"]),Dc(e,t)}),"vtkWebGPUImageSlice");function Oc(e,t){t.classHierarchy.push("vtkWebGPUVolume"),e.buildPass=n=>{t.renderable&&t.renderable.getVisibility()&&n&&(t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getFirstAncestorOfType("vtkWebGPURenderWindow"),void 0===t.propID&&(t.propID=t.WebGPURenderWindow.getUniquePropID()),t.renderable.getMapper().update())},e.queryPass=(n,r)=>{if(n){if(!t.renderable||!t.renderable.getVisibility())return;const n=t.renderable.getMapper().getBounds();if(!n||6!==n.length||n[0]>n[1])return;r.addVolume(e)}};const n=new Float64Array(3),r=new Float64Array(3);e.getBoundingCubePoints=(e,o)=>{const i=t.renderable.getMapper().getInputData();if(!i)return;const a=i.getExtent(),s=t.renderable.getMatrix();let l=0;for(let t=4;t<6;t++){n[2]=a[t];for(let t=2;t<4;t++){n[1]=a[t];for(let t=0;t<2;t++){n[0]=a[t],i.indexToWorld(n,r);let u=o+3*l;e[u++]=s[0]*r[0]+s[1]*r[1]+s[2]*r[2]+s[3],e[u++]=s[4]*r[0]+s[5]*r[1]+s[6]*r[2]+s[7],e[u++]=s[8]*r[0]+s[9]*r[1]+s[10]*r[2]+s[11],l++}}}},e.getKeyMatrices=e=>{if(Math.max(t.renderable.getMTime(),e.getStabilizedTime())>t.keyMatricesTime.getMTime()){t.renderable.computeMatrix();const n=t.renderable.getMatrix(),r=e.getStabilizedCenterByReference();h(t.keyMatrices.bcwc,n),b(t.keyMatrices.bcsc,t.keyMatrices.bcwc,[-r[0],-r[1],-r[2]]),t.keyMatricesTime.modified()}return t.keyMatrices}}gl("vtkImageSlice",Pc);const Nc={propID:void 0,keyMatricesTime:null};const Mc=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Nc,n),Tt.extend(e,t,n),t.keyMatricesTime={},gt.obj(t.keyMatricesTime,{mtime:0}),t.keyMatrices={bcwc:new Float64Array(16),bcsc:new Float64Array(16)},gt.get(e,t,["propID","keyMatricesTime"]),Oc(e,t)}),"vtkWebGPUVolume");function Rc(e,t){t.classHierarchy.push("vtkWebGPUPixelSpaceCallbackMapper"),e.opaquePass=(n,r)=>{t.WebGPURenderer=e.getFirstAncestorOfType("vtkWebGPURenderer"),t.WebGPURenderWindow=t.WebGPURenderer.getParent();const o=t.WebGPURenderer.getAspectRatio(),i=t.WebGPURenderer?t.WebGPURenderer.getRenderable().getActiveCamera():null,a=t.WebGPURenderer.getTiledSizeAndOrigin();t.renderable.getUseZValues(),t.renderable.invokeCallback(t.renderable.getInputData(),i,o,a,null)}}gl("vtkVolume",Mc);const Fc={};const kc=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fc,n),Tt.extend(e,t,n),Rc(e,t)}),"vtkWebGPUPixelSpaceCallbackMapper");gl("vtkPixelSpaceCallbackMapper",kc);var Lc=Uint8Array,Bc=Uint16Array,Vc=Uint32Array,Uc=new Lc([0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0,0]),Gc=new Lc([0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,0,0]),zc=new Lc([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]),jc=function(e,t){for(var n=new Bc(31),r=0;r<31;++r)n[r]=t+=1<>>1|(21845&Yc)<<1;Jc=(61680&(Jc=(52428&Jc)>>>2|(13107&Jc)<<2))>>>4|(3855&Jc)<<4,$c[Yc]=((65280&Jc)>>>8|(255&Jc)<<8)>>>1}var Qc=function(e,t,n){for(var r=e.length,o=0,i=new Bc(t);o>>l]=u}else for(a=new Bc(r),o=0;o>>15-e[o]);return a},Zc=new Lc(288);for(Yc=0;Yc<144;++Yc)Zc[Yc]=8;for(Yc=144;Yc<256;++Yc)Zc[Yc]=9;for(Yc=256;Yc<280;++Yc)Zc[Yc]=7;for(Yc=280;Yc<288;++Yc)Zc[Yc]=8;var ed=new Lc(32);for(Yc=0;Yc<32;++Yc)ed[Yc]=5;var td=Qc(Zc,9,1),nd=Qc(ed,5,1),rd=function(e){for(var t=e[0],n=1;nt&&(t=e[n]);return t},od=function(e,t,n){var r=t/8|0;return(e[r]|e[r+1]<<8)>>(7&t)&n},id=function(e,t){var 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Zd.MAGNITUDE:default:{const o=Wr.newInstance({numberOfComponents:1,values:new Float32Array(t.getNumberOfTuples())});e.mapVectorsToMagnitude(t,o,s),e.mapScalarsThroughTable(o,n,r,0);break}}},e.luminanceToRGBA=(e,t,n,r)=>{const o=r(n),i=t.getData(),a=e.getData(),s=i.length;let l=0;for(let e=0;e{const o=t.getData(),i=e.getData(),a=o.length;let s=0;for(let e=0;e{const o=op(n),i=t.getData(),a=e.getData(),s=i.length;let l=0;for(let e=0;e{const o=t.getData(),i=e.getData(),a=o.length;let s=0;for(let e=0;e{let{alpha:i}=t;if(4===r&&i>=1&&n.getDataType()===ep.UNSIGNED_CHAR)return n;const a=Wr.newInstance({numberOfComponents:4,empty:!0,size:4*o,dataType:ep.UNSIGNED_CHAR});if(o<=0)return a;i=i>0?i:0,i=i<1?i:1;let s=rp;switch(n.getDataType()!==ep.FLOAT&&n.getDataType()!==ep.DOUBLE||(s=op),r){case 1:e.luminanceToRGBA(a,n,i,s);break;case 2:e.luminanceAlphaToRGBA(a,n,s);break;case 3:e.rGBToRGBA(a,n,i,s);break;case 4:e.rGBAToRGBA(a,n,i,s);break;default:return np("Cannot convert colors"),null}return 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lp={newInstance:gt.newInstance(sp,"vtkScalarsToColors"),extend:sp,...Yd},up={ColorSpace:{RGB:0,HSV:1,LAB:2,DIVERGING:3},Scale:{LINEAR:0,LOG10:1}};const{ColorSpace:cp,Scale:dp}=up,{ScalarMappingTarget:pp}=lp,{vtkDebugMacro:fp,vtkErrorMacro:hp,vtkWarningMacro:mp}=gt;function gp(e,t){const n=e[0],r=e[1],o=e[2],i=Math.sqrt(n*n+r*r+o*o),a=i>.001?Math.acos(n/i):0,s=a>.001?Math.atan2(o,r):0;t[0]=i,t[1]=a,t[2]=s}function vp(e,t){if(e[0]>=t-.1)return e[2];const n=e[1]*Math.sqrt(t*t-e[0]*e[0])/(e[0]*Math.sin(e[1]));return e[2]>-.3*Math.PI?e[2]+n:e[2]-n}function yp(e,t,n,r){const o=[],i=[];gr(t,o),gr(n,i);const a=[],s=[];gp(o,a),gp(i,s);let l=e;if(a[1]>.05&&s[1]>.05&&function(e,t){let n=e-t;for(n<0&&(n=-n);n>=2*Math.PI;)n-=2*Math.PI;return n>Math.PI&&(n=2*Math.PI-n),n}(a[2],s[2])>.33*Math.PI){let t=Math.max(a[0],s[0]);t=Math.max(88,t),e<.5?(s[0]=t,s[1]=0,s[2]=0,l*=2):(a[0]=t,a[1]=0,a[2]=0,l=2*l-1)}a[1]<.05&&s[1]>.05?a[2]=vp(s,a[0]):s[1]<.05&&a[1]>.05&&(s[2]=vp(a,s[0]));const u=[];u[0]=(1-l)*a[0]+l*s[0],u[1]=(1-l)*a[1]+l*s[1],u[2]=(1-l)*a[2]+l*s[2];const c=[];!function(e,t){const n=e[0],r=e[1],o=e[2];t[0]=n*Math.cos(r),t[1]=n*Math.sin(r)*Math.cos(o),t[2]=n*Math.sin(r)*Math.sin(o)}(u,c),vr(c,r)}function bp(e,t){t.classHierarchy.push("vtkColorTransferFunction"),e.getSize=()=>t.nodes.length,e.addRGBPoint=(t,n,r,o)=>e.addRGBPointLong(t,n,r,o,.5,0),e.addRGBPointLong=function(n,r,o,i){let a=arguments.length>4&&void 0!==arguments[4]?arguments[4]:.5,s=arguments.length>5&&void 0!==arguments[5]?arguments[5]:0;if(a<0||a>1)return hp("Midpoint outside range [0.0, 1.0]"),-1;if(s<0||s>1)return hp("Sharpness outside range [0.0, 1.0]"),-1;t.allowDuplicateScalars||e.removePoint(n);const l={x:n,r:r,g:o,b:i,midpoint:a,sharpness:s};t.nodes.push(l),e.sortAndUpdateRange();let u=0;for(;ue.addHSVPointLong(t,n,r,o,.5,0),e.addHSVPointLong=function(t,n,r,o){let i=arguments.length>4&&void 0!==arguments[4]?arguments[4]:.5,a=arguments.length>5&&void 0!==arguments[5]?arguments[5]:0;const s=[],l=[n,r,o];return dr(l,s),e.addRGBPoint(t,s[0],s[1],s[2],i,a)},e.setNodes=n=>{if(t.nodes!==n){const r=JSON.stringify(t.nodes);t.nodes=n;const o=JSON.stringify(t.nodes);if(e.sortAndUpdateRange()||r!==o)return e.modified(),!0}return!1},e.sortAndUpdateRange=()=>{const n=JSON.stringify(t.nodes);t.nodes.sort(((e,t)=>e.x-t.x));const r=JSON.stringify(t.nodes),o=e.updateRange();return o||n===r?o:(e.modified(),!0)},e.updateRange=()=>{const n=[2];n[0]=t.mappingRange[0],n[1]=t.mappingRange[1];const r=t.nodes.length;return r?(t.mappingRange[0]=t.nodes[0].x,t.mappingRange[1]=t.nodes[r-1].x):(t.mappingRange[0]=0,t.mappingRange[1]=0),(n[0]!==t.mappingRange[0]||n[1]!==t.mappingRange[1])&&(e.modified(),!0)},e.removePoint=n=>{let r=0;for(;r=t.nodes.length)return-1;let i=!1;return t.nodes.splice(r,1),0!==r&&r!==t.nodes.length||(i=e.updateRange()),i||e.modified(),o},e.movePoint=(n,r)=>{if(n!==r){e.removePoint(r);for(let o=0;o{t.nodes=[],e.sortAndUpdateRange()},e.addRGBSegment=(n,r,o,i,a,s,l,u)=>{e.sortAndUpdateRange();for(let e=0;e=n&&t.nodes[e].x<=a?t.nodes.splice(e,1):e++;e.addRGBPointLong(n,r,o,i,.5,0),e.addRGBPointLong(a,s,l,u,.5,0),e.modified()},e.addHSVSegment=(t,n,r,o,i,a,s,l)=>{const u=[a,s,l],c=[],d=[];dr([n,r,o],c),dr(u,d),e.addRGBSegment(t,c[0],c[1],c[2],i,d[0],d[1],d[2])},e.mapValue=t=>{const n=[];return e.getColor(t,n),[Math.floor(255*n[0]+.5),Math.floor(255*n[1]+.5),Math.floor(255*n[2]+.5),255]},e.getColor=(n,r)=>{if(t.indexedLookup){const t=e.getSize(),o=e.getAnnotatedValueIndexInternal(n);if(o<0||0===t){const t=e.getNanColorByReference();r[0]=t[0],r[1]=t[1],r[2]=t[2]}else{const n=[];e.getNodeValue(o%t,n),r[0]=n[1],r[1]=n[2],r[2]=n[3]}}else e.getTable(n,n,1,r)},e.getRedValue=t=>{const n=[];return e.getColor(t,n),n[0]},e.getGreenValue=t=>{const n=[];return e.getColor(t,n),n[1]},e.getBlueValue=t=>{const n=[];return e.getColor(t,n),n[2]},e.getTable=(n,r,o,i)=>{const a=Number(n),s=Number(r);if(Er(a)||Er(s)){for(let e=0;e0);let T=0,S=0,w=0;_&&(T=Math.log10(a),S=Math.log10(s));for(let n=0;n1?_?(w=T+n/(o-1)*(S-T),f=10**w):f=a+n/(o-1)*(s-a):_?(w=.5*(T+S),f=10**w):f=.5*(a+s),t.discretize){const e=t.mappingRange;if(f>=e[0]&&f<=e[1]){const n=t.numberOfValues,r=e[1]-e[0];if(n<=1)f=e[0]+r/2;else{const t=(f-e[0])/r,o=Sn(n*t);f=e[0]+o/(n-1)*r}}}for(;lt.nodes[l].x;)l++,l.99999&&(y=.99999));if(f>t.mappingRange[1])i[r]=0,i[r+1]=0,i[r+2]=0,t.clamping&&(e.getUseAboveRangeColor()?(i[r]=t.aboveRangeColor[0],i[r+1]=t.aboveRangeColor[1],i[r+2]=t.aboveRangeColor[2]):(i[r]=c,i[r+1]=d,i[r+2]=p));else if(f0&&(i[r]=t.nodes[0].r,i[r+1]=t.nodes[0].g,i[r+2]=t.nodes[0].b));else if(0===l&&(Math.abs(f-a)<1e-6||t.discretize))u>0?(i[r]=t.nodes[0].r,i[r+1]=t.nodes[0].g,i[r+2]=t.nodes[0].b):(i[r]=0,i[r+1]=0,i[r+2]=0);else{let e=0;if(e=_?(w-h)/(m-h):(f-h)/(m-h),e=e.99){if(e<.5){i[r]=g[0],i[r+1]=g[1],i[r+2]=g[2];continue}i[r]=v[0],i[r+1]=v[1],i[r+2]=v[2];continue}if(b<.01){if(t.colorSpace===cp.RGB)i[r]=(1-e)*g[0]+e*v[0],i[r+1]=(1-e)*g[1]+e*v[1],i[r+2]=(1-e)*g[2]+e*v[2];else if(t.colorSpace===cp.HSV){const n=[],o=[];cr(g,n),cr(v,o),t.hSVWrap&&(n[0]-o[0]>.5||o[0]-n[0]>.5)&&(n[0]>o[0]?n[0]-=1:o[0]-=1);const a=[];a[0]=(1-e)*n[0]+e*o[0],a[0]<0&&(a[0]+=1),a[1]=(1-e)*n[1]+e*o[1],a[2]=(1-e)*n[2]+e*o[2],dr(a,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else if(t.colorSpace===cp.LAB){const t=[],n=[];gr(g,t),gr(v,n);const o=[];o[0]=(1-e)*t[0]+e*n[0],o[1]=(1-e)*t[1]+e*n[1],o[2]=(1-e)*t[2]+e*n[2],vr(o,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else t.colorSpace===cp.DIVERGING?(yp(e,g,v,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]):hp("ColorSpace set to invalid value.",t.colorSpace);continue}e<.5?e=.5*(2*e)**(1+10*b):e>.5&&(e=1-.5*(2*(1-e))**(1+10*b));const n=e*e,o=n*e,a=2*o-3*n+1,s=-2*o+3*n,l=o-2*n+e,u=o-n;let c,d;if(t.colorSpace===cp.RGB)for(let e=0;e<3;e++)c=v[e]-g[e],d=(1-b)*c,i[r+e]=a*g[e]+s*v[e]+l*d+u*d;else if(t.colorSpace===cp.HSV){const e=[],n=[];cr(g,e),cr(v,n),t.hSVWrap&&(e[0]-n[0]>.5||n[0]-e[0]>.5)&&(e[0]>n[0]?e[0]-=1:n[0]-=1);const o=[];for(let t=0;t<3;t++)c=n[t]-e[t],d=(1-b)*c,o[t]=a*e[t]+s*n[t]+l*d+u*d,0===t&&o[t]<0&&(o[t]+=1);dr(o,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else if(t.colorSpace===cp.LAB){const e=[],t=[];gr(g,e),gr(v,t);const n=[];for(let r=0;r<3;r++)c=t[r]-e[r],d=(1-b)*c,n[r]=a*e[r]+s*t[r]+l*d+u*d;vr(n,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]}else t.colorSpace===cp.DIVERGING?(yp(e,g,v,x),i[r]=x[0],i[r+1]=x[1],i[r+2]=x[2]):hp("ColorSpace set to invalid value.");for(let e=0;e<3;e++)i[r+e]=i[r+e]<0?0:i[r+e],i[r+e]=i[r+e]>1?1:i[r+e]}}},e.getUint8Table=function(n,r,o){let i=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(e.getMTime()<=t.buildTime&&t.tableSize===o&&t.tableWithAlpha!==i)return t.table;if(0===t.nodes.length)return hp("Attempting to lookup a value with no points in the function"),t.table;const a=i?4:3;t.tableSize===o&&t.tableWithAlpha===i||(t.table=new Uint8Array(o*a),t.tableSize=o,t.tableWithAlpha=i);const s=[];e.getTable(n,r,o,s);for(let e=0;e{e.removeAllPoints();const r=n.getNumberOfComponents();for(let e=0;e{let a=0;e.removeAllPoints(),o>1&&(a=(r-n)/(o-1));for(let e=0;ee<0||e>=t.nodes.length?(hp("Index out of range!"),-1):(n[0]=t.nodes[e].x,n[1]=t.nodes[e].r,n[2]=t.nodes[e].g,n[3]=t.nodes[e].b,n[4]=t.nodes[e].midpoint,n[5]=t.nodes[e].sharpness,1),e.setNodeValue=(n,r)=>{if(n<0||n>=t.nodes.length)return hp("Index out of range!"),-1;const o=t.nodes[n].x;return t.nodes[n].x=r[0],t.nodes[n].r=r[1],t.nodes[n].g=r[2],t.nodes[n].b=r[3],t.nodes[n].midpoint=r[4],t.nodes[n].sharpness=r[5],o!==r[0]?e.sortAndUpdateRange():e.modified(),1},e.getNumberOfAvailableColors=()=>t.indexedLookup&&e.getSize()?e.getSize():t.tableSize?t.tableSize:16777216,e.getIndexedColor=(t,n)=>{const r=e.getSize();if(r>0&&t>=0){const o=[];e.getNodeValue(t%r,o);for(let e=0;e<3;++e)n[e]=o[e+1];return void(n[3]=1)}const o=e.getNanColorByReference();n[0]=o[0],n[1]=o[1],n[2]=o[2],n[3]=1},e.fillFromDataPointer=(t,n)=>{if(!(t<=0)&&n){e.removeAllPoints();for(let r=0;r{const o=[n,r],i=e.getRange();if(i[1]===o[1]&&i[0]===o[0])return;if(o[1]===o[0])return void hp("attempt to set zero width color range");const a=(o[1]-o[0])/(i[1]-i[0]),s=o[0]-i[0]*a;for(let e=0;e{const r=e.getRange(),o=[];r[0]n[1]?(e.getColor(n[1],o),e.addRGBPoint(n[1],o[0],o[1],o[2])):(e.getColor(r[1],o),e.addRGBPoint(n[1],o[0],o[1],o[2])),e.sortAndUpdateRange();for(let e=0;e=n[0]&&t.nodes[e].x<=n[1]?t.nodes.splice(e,1):++e;return 1},e.estimateMinNumberOfSamples=(t,n)=>{const r=e.findMinimumXDistance();return Math.ceil((n-t)/r)},e.findMinimumXDistance=()=>{if(t.nodes.length<2)return-1;let e=Number.MAX_VALUE;for(let n=0;n{0!==e.getSize()?t.indexedLookup?e.mapDataIndexed(n,r,o,i):e.mapData(n,r,o,i):fp("Transfer Function Has No Points!")},e.mapData=(t,n,r,o)=>{if(0===e.getSize())return void mp("Transfer Function Has No Points!");const i=Math.floor(255*e.getAlpha()+.5),a=t.getNumberOfTuples(),s=t.getNumberOfComponents(),l=n.getData(),u=t.getData(),c=[];if(r===pp.RGBA)for(let t=0;t{const r=JSON.stringify(t.colorSpace);n.ColorSpace&&(t.colorSpace=cp[n.ColorSpace.toUpperCase()],void 0===t.colorSpace&&(hp(`ColorSpace ${n.ColorSpace} not supported, using RGB instead`),t.colorSpace=cp.RGB));let o=r!==JSON.stringify(t.colorSpace);const i=o||JSON.stringify(t.nanColor);if(n.NanColor)for(t.nanColor=[].concat(n.NanColor);t.nanColor.length<4;)t.nanColor.push(1);o=o||i!==JSON.stringify(t.nanColor);const a=o||JSON.stringify(t.nodes);if(n.RGBPoints){const e=n.RGBPoints.length;t.nodes=[];const r=.5,o=0;for(let i=0;i2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,xp,n),lp.extend(e,t,n),t.table=[],t.nodes=[],t.nanColor=[.5,0,0,1],t.belowRangeColor=[0,0,0,1],t.aboveRangeColor=[1,1,1,1],t.buildTime={},gt.obj(t.buildTime),gt.get(e,t,["buildTime","mappingRange"]),gt.setGet(e,t,["useAboveRangeColor","useBelowRangeColor","colorSpace","discretize","numberOfValues"]),gt.setArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"],4),gt.getArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"]),bp(e,t)}var Tp={newInstance:gt.newInstance(_p,"vtkColorTransferFunction"),extend:_p,...up};const{vtkDebugMacro:Sp}=gt;function wp(e,t){t.classHierarchy.push("vtkCamera");const n=new Float64Array(3),r=new Float64Array([0,0,-1]),o=new Float64Array([0,1,0]),i=f(new Float64Array(16)),a=f(new Float64Array(16)),s=new Float64Array(3),l=new Float64Array(3),u=new Float64Array(3),d=f(new Float64Array(16)),p=f(new Float64Array(16)),g=new Float64Array(3),v=new Float64Array(3);function T(){t.viewPlaneNormal[0]=-t.directionOfProjection[0],t.viewPlaneNormal[1]=-t.directionOfProjection[1],t.viewPlaneNormal[2]=-t.directionOfProjection[2]}e.orthogonalizeViewUp=()=>{const n=e.getViewMatrix();t.viewUp[0]=n[4],t.viewUp[1]=n[5],t.viewUp[2]=n[6],e.modified()},e.setPosition=(n,r,o)=>{n===t.position[0]&&r===t.position[1]&&o===t.position[2]||(t.position[0]=n,t.position[1]=r,t.position[2]=o,e.computeDistance(),e.modified())},e.setFocalPoint=(n,r,o)=>{n===t.focalPoint[0]&&r===t.focalPoint[1]&&o===t.focalPoint[2]||(t.focalPoint[0]=n,t.focalPoint[1]=r,t.focalPoint[2]=o,e.computeDistance(),e.modified())},e.setDistance=n=>{if(t.distance===n)return;t.distance=n,t.distance<1e-20&&(t.distance=1e-20,Sp("Distance is set to minimum."));const r=t.directionOfProjection;t.focalPoint[0]=t.position[0]+r[0]*t.distance,t.focalPoint[1]=t.position[1]+r[1]*t.distance,t.focalPoint[2]=t.position[2]+r[2]*t.distance,e.modified()},e.computeDistance=()=>{const e=t.focalPoint[0]-t.position[0],n=t.focalPoint[1]-t.position[1],r=t.focalPoint[2]-t.position[2];if(t.distance=Math.sqrt(e*e+n*n+r*r),t.distance<1e-20){t.distance=1e-20,Sp("Distance is set to minimum.");const e=t.directionOfProjection;t.focalPoint[0]=t.position[0]+e[0]*t.distance,t.focalPoint[1]=t.position[1]+e[1]*t.distance,t.focalPoint[2]=t.position[2]+e[2]*t.distance}t.directionOfProjection[0]=e/t.distance,t.directionOfProjection[1]=n/t.distance,t.directionOfProjection[2]=r/t.distance,T()},e.dolly=n=>{if(n<=0)return;const r=t.distance/n;e.setPosition(t.focalPoint[0]-r*t.directionOfProjection[0],t.focalPoint[1]-r*t.directionOfProjection[1],t.focalPoint[2]-r*t.directionOfProjection[2])},e.roll=n=>{const r=t.position,o=t.focalPoint,i=t.viewUp,a=new Float64Array([i[0],i[1],i[2],0]);f(d);const s=new Float64Array([o[0]-r[0],o[1]-r[1],o[2]-r[2]]);_(d,d,xn(n),s),Mo(a,a,d),t.viewUp[0]=a[0],t.viewUp[1]=a[1],t.viewUp[2]=a[2],e.modified()},e.azimuth=n=>{const 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r=[...t.viewUp,1],o=[],i=[],a=[];r[0]+=t.position[0],r[1]+=t.position[1],r[2]+=t.position[2],Mo(o,[...t.position,1],n),Mo(i,[...t.focalPoint,1],n),Mo(a,r,n),a[0]-=o[0],a[1]-=o[1],a[2]-=o[2],e.setPosition(...o.slice(0,3)),e.setFocalPoint(...i.slice(0,3)),e.setViewUp(...a.slice(0,3))},e.getThickness=()=>t.clippingRange[1]-t.clippingRange[0],e.setThickness=n=>{let r=n;r<1e-20&&(r=1e-20,Sp("Thickness is set to minimum.")),e.setClippingRange(t.clippingRange[0],t.clippingRange[0]+r)},e.setThicknessFromFocalPoint=n=>{let r=n;r<1e-20&&(r=1e-20,Sp("Thickness is set to 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a=(t.windowCenter[0]-1)*r,s=(t.windowCenter[0]+1)*r,u=(t.windowCenter[1]-1)*o,c=(t.windowCenter[1]+1)*o,d=l[0],p=l[1];i[0]=2*d/(s-a),i[5]=2*d/(c-u),i[2]=(a+s)/(s-a),i[6]=(u+c)/(c-u),i[10]=-(d+p)/(p-d),i[14]=-1,i[11]=-2*d*p/(p-d),i[15]=0}}return c(o,i),o},e.getCompositeProjectionMatrix=(t,n,r)=>{const o=e.getViewMatrix(),i=e.getProjectionMatrix(t,n,r);return y(i,o,i),i},e.setDirectionOfProjection=(e,n,r)=>{if(t.directionOfProjection[0]===e&&t.directionOfProjection[1]===n&&t.directionOfProjection[2]===r)return;t.directionOfProjection[0]=e,t.directionOfProjection[1]=n,t.directionOfProjection[2]=r;const o=t.directionOfProjection;t.focalPoint[0]=t.position[0]+o[0]*t.distance,t.focalPoint[1]=t.position[1]+o[1]*t.distance,t.focalPoint[2]=t.position[2]+o[2]*t.distance,T()},e.setDeviceAngles=(n,r,o,i)=>{const a=[3];Bn(t.physicalViewNorth,t.physicalViewUp,a);const s=f(new 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Cp={position:[0,0,1],focalPoint:[0,0,0],viewUp:[0,1,0],directionOfProjection:[0,0,-1],parallelProjection:!1,useHorizontalViewAngle:!1,viewAngle:30,parallelScale:1,clippingRange:[.01,1000.01],windowCenter:[0,0],viewPlaneNormal:[0,0,1],useOffAxisProjection:!1,screenBottomLeft:[-.5,-.5,-.5],screenBottomRight:[.5,-.5,-.5],screenTopRight:[.5,.5,-.5],freezeFocalPoint:!1,projectionMatrix:null,viewMatrix:null,cameraLightTransform:l(),physicalTranslation:[0,0,0],physicalScale:1,physicalViewUp:[0,1,0],physicalViewNorth:[0,0,-1]};function Ap(e,t){let n=arguments.length>2&&void 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n=new Float64Array(3);tn(n,t.position,e),t.focalPoint=n},e.setDirectionAngle=(t,n)=>{const r=xn(t),o=xn(n);e.setPosition(Math.cos(r)*Math.sin(o),Math.sin(r),Math.cos(r)*Math.cos(o)),e.setFocalPoint(0,0,0),e.setPositional(0)},e.setLightTypeToHeadLight=()=>{e.setLightType("HeadLight")},e.setLightTypeToCameraLight=()=>{e.setLightType("CameraLight")},e.setLightTypeToSceneLight=()=>{e.setTransformMatrix(null),e.setLightType("SceneLight")},e.lightTypeIsHeadLight=()=>"HeadLight"===t.lightType,e.lightTypeIsSceneLight=()=>"SceneLight"===t.lightType,e.lightTypeIsCameraLight=()=>"CameraLight"===t.lightType}const Ip={switch:!0,intensity:1,color:[1,1,1],position:[0,0,1],focalPoint:[0,0,0],positional:!1,exponent:1,coneAngle:30,coneFalloff:5,attenuationValues:[1,0,0],transformMatrix:null,lightType:"SceneLight",shadowAttenuation:1,direction:[0,0,0],directionMTime:0};function Pp(e,t){let n=arguments.length>2&&void 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i=e.normalizedDisplayToProjection(t,n,r);return i=e.projectionToView(i[0],i[1],i[2],o),e.viewToWorld(i[0],i[1],i[2])},e.worldToNormalizedDisplay=(t,n,r,o)=>{let i=e.worldToView(t,n,r);return i=e.viewToProjection(i[0],i[1],i[2],o),e.projectionToNormalizedDisplay(i[0],i[1],i[2])},e.viewToWorld=(e,n,r)=>{if(null===t.activeCamera)return _f("ViewToWorld: no active camera, cannot compute view to world, returning 0,0,0"),[0,0,0];const o=t.activeCamera.getViewMatrix();m(o,o),h(o,o);const i=new Float64Array([e,n,r]);return Yt(i,i,o),i},e.projectionToView=(e,n,r,o)=>{if(null===t.activeCamera)return _f("ProjectionToView: no active camera, cannot compute projection to view, returning 0,0,0"),[0,0,0];const i=t.activeCamera.getProjectionMatrix(o,-1,1);m(i,i),h(i,i);const a=new Float64Array([e,n,r]);return Yt(a,a,i),a},e.worldToView=(e,n,r)=>{if(null===t.activeCamera)return _f("WorldToView: no active camera, cannot compute view to world, returning 0,0,0"),[0,0,0];const 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r>e&&(e=r),e},e.getTransparent=()=>!!t.preserveColorBuffer,e.isActiveCameraCreated=()=>!!t.activeCamera}const Cf={pickedProp:null,activeCamera:null,allBounds:[],ambient:[1,1,1],allocatedRenderTime:100,timeFactor:1,automaticLightCreation:!0,twoSidedLighting:!0,lastRenderTimeInSeconds:-1,renderWindow:null,lights:[],actors:[],volumes:[],lightFollowCamera:!0,numberOfPropsRendered:0,propArray:null,pathArray:null,layer:0,preserveColorBuffer:!1,preserveDepthBuffer:!1,computeVisiblePropBounds:Dr(),interactive:!0,nearClippingPlaneTolerance:0,clippingRangeExpansion:.05,erase:!0,draw:!0,useShadows:!1,useDepthPeeling:!1,occlusionRatio:0,maximumNumberOfPeels:4,selector:null,delegate:null,texturedBackground:!1,backgroundTexture:null,environmentTexture:null,environmentTextureDiffuseStrength:1,environmentTextureSpecularStrength:1,useEnvironmentTextureAsBackground:!1,pass:0};function Af(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};for(Object.assign(t,Cf,n),kp.extend(e,t,n),t.background||(t.background=[0,0,0,1]);t.background.length<3;)t.background.push(0);3===t.background.length&&t.background.push(1),He(e,t,["_renderWindow","allocatedRenderTime","timeFactor","lastRenderTimeInSeconds","numberOfPropsRendered","lastRenderingUsedDepthPeeling","selector"]),$e(e,t,["twoSidedLighting","lightFollowCamera","automaticLightCreation","erase","draw","nearClippingPlaneTolerance","clippingRangeExpansion","backingStore","interactive","layer","preserveColorBuffer","preserveDepthBuffer","useDepthPeeling","occlusionRatio","maximumNumberOfPeels","delegate","backgroundTexture","texturedBackground","environmentTexture","environmentTextureDiffuseStrength","environmentTextureSpecularStrength","useEnvironmentTextureAsBackground","useShadows","pass"]),Ye(e,t,["actors","volumes","lights"]),Qe(e,t,["background"],4,1),Ze(0,t,["renderWindow"]),wf(e,t)}var Ef={newInstance:rt(Af,"vtkRenderer"),extend:Af};const Df=Object.create(null);function If(e,t){Df[e]=t}function Pf(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return Df[e]&&Df[e](t)}function Of(e,t){t.classHierarchy.push("vtkRenderWindow"),e.addRenderer=n=>{e.hasRenderer(n)||(n.setRenderWindow(e),t.renderers.push(n),e.modified())},e.removeRenderer=n=>{t.renderers=t.renderers.filter((e=>e!==n)),e.modified()},e.hasRenderer=e=>-1!==t.renderers.indexOf(e),e.newAPISpecificView=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return Pf(e||t.defaultViewAPI,n)},e.addView=n=>{e.hasView(n)||(n.setRenderable(e),t._views.push(n),e.modified())},e.removeView=n=>{t._views=t._views.filter((e=>e!==n)),e.modified()},e.hasView=e=>-1!==t._views.indexOf(e),e.preRender=()=>{t.renderers.forEach((e=>{e.isActiveCameraCreated()||e.resetCamera()}))},e.render=()=>{e.preRender(),t.interactor?t.interactor.render():t._views.forEach((e=>e.traverseAllPasses()))},e.getStatistics=()=>{const e={propCount:0,invisiblePropCount:0,gpuMemoryMB:0};return t._views.forEach((t=>{e.gpuMemoryMB+=t.getGraphicsMemoryInfo()/1e6})),t.renderers.forEach((n=>{const r=n.getViewProps(),o=t._views[0].getViewNodeFor(n);r.forEach((t=>{if(t.getVisibility()){e.propCount+=1;const n=t.getMapper&&t.getMapper();if(n&&n.getPrimitiveCount){const t=o.getViewNodeFor(n);if(t){e.gpuMemoryMB+=t.getAllocatedGPUMemoryInBytes()/1e6;const r=n.getPrimitiveCount();Object.keys(r).forEach((t=>{e[t]||(e[t]=0),e[t]+=r[t]}))}}}else e.invisiblePropCount+=1}))})),e.str=Object.keys(e).map((t=>`${t}: ${e[t]}`)).join("\n"),e},e.captureImages=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"image/png",r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return gt.setImmediate(e.render),t._views.map((e=>e.captureNextImage?e.captureNextImage(n,r):void 0)).filter((e=>!!e))}}const Nf={defaultViewAPI:"WebGL",renderers:[],views:[],interactor:null,neverRendered:!0,numberOfLayers:1};function 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Lf={Device:Ff,Input:kf,Axis:{Unknown:0,TouchpadX:1,TouchpadY:2,ThumbstickX:3,ThumbstickY:4}};const{Device:Bf,Input:Vf}=Lf,{vtkWarningMacro:Uf,vtkErrorMacro:Gf,normalizeWheel:zf,vtkOnceErrorMacro:jf}=gt,Wf={ctrlKey:!1,altKey:!1,shiftKey:!1},Hf={"xr-standard":[Vf.Trigger,Vf.Grip,Vf.TrackPad,Vf.Thumbstick,Vf.A,Vf.B]},Xf=["StartAnimation","Animation","EndAnimation","PointerEnter","PointerLeave","MouseEnter","MouseLeave","StartMouseMove","MouseMove","EndMouseMove","LeftButtonPress","LeftButtonRelease","MiddleButtonPress","MiddleButtonRelease","RightButtonPress","RightButtonRelease","KeyPress","KeyDown","KeyUp","StartMouseWheel","MouseWheel","EndMouseWheel","StartPinch","Pinch","EndPinch","StartPan","Pan","EndPan","StartRotate","Rotate","EndRotate","Button3D","Move3D","StartPointerLock","EndPointerLock","StartInteraction","Interaction","EndInteraction","AnimationFrameRateUpdate"];function Kf(e){e.cancelable&&e.preventDefault()}function qf(e){const t=Object.create(null);return e.forEach((e=>{let{pointerId:n,position:r}=e;t[n]=r})),t}function $f(e,t){t.classHierarchy.push("vtkRenderWindowInteractor");const n=new Set,r=new Map;let o=1;function i(n,r){t._forcedRenderer||(t.currentRenderer=e.findPokedRenderer(n,r))}e.start=()=>{(t.initialized||(e.initialize(),t.initialized))&&e.startEventLoop()},e.setRenderWindow=e=>{Gf("you want to call setView(view) instead of setRenderWindow on a vtk.js interactor")},e.setInteractorStyle=n=>{t.interactorStyle!==n&&(null!=t.interactorStyle&&t.interactorStyle.setInteractor(null),t.interactorStyle=n,null!=t.interactorStyle&&t.interactorStyle.getInteractor()!==e&&t.interactorStyle.setInteractor(e))},e.initialize=()=>{t.initialized=!0,e.enable(),e.render()},e.enable=()=>e.setEnabled(!0),e.disable=()=>e.setEnabled(!1),e.startEventLoop=()=>Uf("empty event loop"),e.getCurrentRenderer=()=>(t.currentRenderer||i(0,0),t.currentRenderer);const a=t._getScreenEventPositionFor||function(e){const n=t._view.getCanvas(),o=n.getBoundingClientRect(),a=n.width/o.width,s=n.height/o.height,l={x:a*(e.clientX-o.left),y:s*(o.height-e.clientY+o.top),z:0};return(r.size<=1||!t.currentRenderer)&&i(l.x,l.y),l};function s(e){return{controlKey:e.ctrlKey,altKey:e.altKey,shiftKey:e.shiftKey}}function l(e){const t=s(e);return{key:e.key,keyCode:e.charCode,...t}}function u(e){return e.pointerType||""}function c(){t._view&&t.enabled&&t.enableRender&&(t.inRender=!0,t._view.traverseAllPasses(),t.inRender=!1),e.invokeRenderEvent()}e.bindEvents=n=>{t.container=n,n.addEventListener("contextmenu",Kf),n.addEventListener("wheel",e.handleWheel),n.addEventListener("DOMMouseScroll",e.handleWheel),n.addEventListener("pointerenter",e.handlePointerEnter),n.addEventListener("pointerleave",e.handlePointerLeave),n.addEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.addEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.addEventListener("pointerup",e.handlePointerUp),n.addEventListener("pointercancel",e.handlePointerCancel),document.addEventListener("keypress",e.handleKeyPress),document.addEventListener("keydown",e.handleKeyDown),document.addEventListener("keyup",e.handleKeyUp),document.addEventListener("pointerlockchange",e.handlePointerLockChange),n.style.touchAction="none",n.style.userSelect="none",n.style.webkitTapHighlightColor="rgba(0,0,0,0)"},e.unbindEvents=()=>{const{container:n}=t;n.removeEventListener("contextmenu",Kf),n.removeEventListener("wheel",e.handleWheel),n.removeEventListener("DOMMouseScroll",e.handleWheel),n.removeEventListener("pointerenter",e.handlePointerEnter),n.removeEventListener("pointerleave",e.handlePointerLeave),n.removeEventListener("pointermove",e.handlePointerMove,{passive:!1}),n.removeEventListener("pointerdown",e.handlePointerDown,{passive:!1}),n.removeEventListener("pointerup",e.handlePointerUp),n.removeEventListener("pointercancel",e.handlePointerCancel),document.removeEventListener("keypress",e.handleKeyPress),document.removeEventListener("keydown",e.handleKeyDown),document.removeEventListener("keyup",e.handleKeyUp),document.removeEventListener("pointerlockchange",e.handlePointerLockChange),t.container=null,r.clear()},e.handleKeyPress=t=>{const n=l(t);e.keyPressEvent(n)},e.handleKeyDown=t=>{const n=l(t);e.keyDownEvent(n)},e.handleKeyUp=t=>{const n=l(t);e.keyUpEvent(n)},e.handlePointerEnter=t=>{const n={...s(t),position:a(t),deviceType:u(t)};e.pointerEnterEvent(n),"mouse"===n.deviceType&&e.mouseEnterEvent(n)},e.handlePointerLeave=t=>{const n={...s(t),position:a(t),deviceType:u(t)};e.pointerLeaveEvent(n),"mouse"===n.deviceType&&e.mouseLeaveEvent(n)},e.handlePointerDown=n=>{if(!(n.button>2||e.isPointerLocked()))switch(t.preventDefaultOnPointerDown&&Kf(n),n.target.hasPointerCapture(n.pointerId)&&n.target.releasePointerCapture(n.pointerId),t.container.setPointerCapture(n.pointerId),r.has(n.pointerId)&&Uf("[RenderWindowInteractor] duplicate pointerId 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pressed: ${t.button}`)}},e.requestPointerLock=()=>{t.container&&t.container.requestPointerLock()},e.exitPointerLock=()=>document.exitPointerLock?.(),e.isPointerLocked=()=>!!t.container&&document.pointerLockElement===t.container,e.handlePointerLockChange=()=>{e.isPointerLocked()?e.startPointerLockEvent():e.endPointerLockEvent()},e.requestAnimation=r=>{void 0!==r?n.has(r)?Uf("requester is already registered for animating"):(n.add(r),t.animationRequest||1!==n.size||t.xrAnimation||(t._animationStartTime=Date.now(),t._animationFrameCount=0,t.animationRequest=requestAnimationFrame(e.handleAnimation),e.startAnimationEvent())):Gf("undefined requester, can not start animating")},e.extendAnimation=r=>{const o=Date.now()+r;t._animationExtendedEnd=Math.max(t._animationExtendedEnd,o),t.animationRequest||0!==n.size||t.xrAnimation||(t._animationStartTime=Date.now(),t._animationFrameCount=0,t.animationRequest=requestAnimationFrame(e.handleAnimation),e.startAnimationEvent())},e.isAnimating=()=>t.xrAnimation||null!==t.animationRequest,e.cancelAnimation=function(r){let o=arguments.length>1&&void 0!==arguments[1]&&arguments[1];if(n.has(r))n.delete(r),t.animationRequest&&0===n.size&&Date.now()>t._animationExtendedEnd&&(cancelAnimationFrame(t.animationRequest),t.animationRequest=null,e.endAnimationEvent(),e.render());else if(!o){const e=r&&r.getClassName?r.getClassName():r;Uf(`${e} did not request an animation`)}},e.switchToXRAnimation=()=>{t.animationRequest&&(cancelAnimationFrame(t.animationRequest),t.animationRequest=null),t.xrAnimation=!0},e.returnFromXRAnimation=()=>{t.xrAnimation=!1,0!==n.size&&(t.recentAnimationFrameRate=10,t.animationRequest=requestAnimationFrame(e.handleAnimation))},e.updateXRGamepads=(n,r,o)=>{n.inputSources.forEach((n=>{const i=null==n.gripSpace?null:r.getPose(n.gripSpace,o),a=n.gamepad,s=n.handedness;if(a){a.index in t.lastGamepadValues||(t.lastGamepadValues[a.index]={left:{buttons:{}},right:{buttons:{}},none:{buttons:{}}});for(let r=0;r{const r={...s(n),position:a(n),deviceType:u(n)};0===t.moveTimeoutID?e.startMouseMoveEvent(r):(e.mouseMoveEvent(r),clearTimeout(t.moveTimeoutID)),t.moveTimeoutID=setTimeout((()=>{e.endMouseMoveEvent(),t.moveTimeoutID=0}),200)},e.handleAnimation=()=>{const r=Date.now();t._animationFrameCount++,r-t._animationStartTime>1e3&&t._animationFrameCount>1&&(t.recentAnimationFrameRate=1e3*(t._animationFrameCount-1)/(r-t._animationStartTime),t.lastFrameTime=1/t.recentAnimationFrameRate,e.animationFrameRateUpdateEvent(),t._animationStartTime=r,t._animationFrameCount=1),e.animationEvent(),c(),n.size>0||Date.now(){Kf(n);const r={...zf(n),...s(n),position:a(n),deviceType:u(n)};0===t.wheelTimeoutID&&(o=Math.abs(r.spinY)>=.3?Math.abs(r.spinY):1),r.spinY/=o,0===t.wheelTimeoutID?(e.startMouseWheelEvent(r),e.mouseWheelEvent(r)):(e.mouseWheelEvent(r),clearTimeout(t.wheelTimeoutID)),t.mouseScrollDebounceByPass?(e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0):t.wheelTimeoutID=setTimeout((()=>{e.extendAnimation(600),e.endMouseWheelEvent(),t.wheelTimeoutID=0}),200)},e.handleMouseUp=t=>{const n={...s(t),position:a(t),deviceType:u(t)};switch(t.button){case 0:e.leftButtonReleaseEvent(n);break;case 1:e.middleButtonReleaseEvent(n);break;case 2:e.rightButtonReleaseEvent(n);break;default:Gf(`Unknown mouse button released: ${t.button}`)}},e.handleTouchStart=n=>{const o=[...r.values()];if(t.recognizeGestures&&o.length>1){const t=qf(r);if(2===o.length){const t={...s(Wf),position:o[0].position,deviceType:u(n)};e.leftButtonReleaseEvent(t)}e.recognizeGesture("TouchStart",t)}else if(1===o.length){const t={...s(Wf),position:a(n),deviceType:u(n)};e.leftButtonPressEvent(t)}},e.handleTouchMove=n=>{const o=[...r.values()];if(t.recognizeGestures&&o.length>1){const t=qf(r);e.recognizeGesture("TouchMove",t)}else if(1===o.length){const t={...s(Wf),position:o[0].position,deviceType:u(n)};e.mouseMoveEvent(t)}},e.handleTouchEnd=n=>{const o=[...r.values()];if(t.recognizeGestures)if(0===o.length){const t={...s(Wf),position:a(n),deviceType:u(n)};e.leftButtonReleaseEvent(t)}else if(1===o.length){const t=qf(r);e.recognizeGesture("TouchEnd",t);const i={...s(Wf),position:o[0].position,deviceType:u(n)};e.leftButtonPressEvent(i)}else{const t=qf(r);e.recognizeGesture("TouchMove",t)}else if(1===o.length){const t={...s(Wf),position:o[0].position,deviceType:u(n)};e.leftButtonReleaseEvent(t)}},e.setView=n=>{t._view!==n&&(t._view=n,t._view.getRenderable().setInteractor(e),e.modified())},e.getFirstRenderer=()=>t._view?.getRenderable()?.getRenderersByReference()?.[0],e.findPokedRenderer=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;if(!t._view)return null;const r=t._view?.getRenderable()?.getRenderers();if(!r||0===r.length)return null;r.sort(((e,t)=>e.getLayer()-t.getLayer()));let o=null,i=null,a=null,s=r.length;for(;s--;){const l=r[s];if(t._view.isInViewport(e,n,l)&&l.getInteractive()){a=l;break}null===o&&l.getInteractive()&&(o=l),null===i&&t._view.isInViewport(e,n,l)&&(i=l)}return null===a&&(a=o),null===a&&(a=i),null==a&&(a=r[0]),a},e.render=()=>{e.isAnimating()||t.inRender||c()},Xf.forEach((n=>{const r=n.charAt(0).toLowerCase()+n.slice(1);e[`${r}Event`]=r=>{if(!t.enabled)return;if(!e.getCurrentRenderer())return void jf("\n Can not forward events without a current renderer on the interactor.\n ");const o={type:n,pokedRenderer:t.currentRenderer,firstRenderer:e.getFirstRenderer(),...r};e[`invoke${n}`](o)}})),e.recognizeGesture=(n,r)=>{if(Object.keys(r).length>2)return;if(t.startingEventPositions||(t.startingEventPositions={}),"TouchStart"===n)return Object.keys(r).forEach((e=>{t.startingEventPositions[e]=r[e]})),void(t.currentGesture="Start");if("TouchEnd"===n)return"Pinch"===t.currentGesture&&(e.render(),e.endPinchEvent()),"Rotate"===t.currentGesture&&(e.render(),e.endRotateEvent()),"Pan"===t.currentGesture&&(e.render(),e.endPanEvent()),t.currentGesture="Start",void(t.startingEventPositions={});let o=0;const i=[],a=[];Object.keys(r).forEach((e=>{i[o]=r[e],a[o]=t.startingEventPositions[e],o++}));const s=Math.sqrt((a[0].x-a[1].x)*(a[0].x-a[1].x)+(a[0].y-a[1].y)*(a[0].y-a[1].y)),l=Math.sqrt((i[0].x-i[1].x)*(i[0].x-i[1].x)+(i[0].y-i[1].y)*(i[0].y-i[1].y));let u=_n(Math.atan2(a[1].y-a[0].y,a[1].x-a[0].x)),c=_n(Math.atan2(i[1].y-i[0].y,i[1].x-i[0].x)),d=c-u;c=c+180>=360?c-180:c+180,u=u+180>=360?u-180:u+180,Math.abs(c-u)n&&o>i&&o>a){t.currentGesture="Pinch";const n={scale:1,touches:r};e.startPinchEvent(n)}else if(i>n&&i>a){t.currentGesture="Rotate";const n={rotation:0,touches:r};e.startRotateEvent(n)}else if(a>n){t.currentGesture="Pan";const n={translation:[0,0],touches:r};e.startPanEvent(n)}}else{if("Rotate"===t.currentGesture){const t={rotation:d,touches:r};e.rotateEvent(t)}if("Pinch"===t.currentGesture){const t={scale:l/s,touches:r};e.pinchEvent(t)}if("Pan"===t.currentGesture){const t={translation:p,touches:r};e.panEvent(t)}}},e.handleVisibilityChange=()=>{t._animationStartTime=Date.now(),t._animationFrameCount=0},e.setCurrentRenderer=e=>{t._forcedRenderer=!!e,t.currentRenderer=e};const d=e.delete;e.delete=()=>{for(;n.size;)e.cancelAnimation(n.values().next().value);void 0!==document.hidden&&document.removeEventListener("visibilitychange",e.handleVisibilityChange),t.container&&e.unbindEvents(),d()},void 0!==document.hidden&&document.addEventListener("visibilitychange",e.handleVisibilityChange,!1)}const Yf={renderWindow:null,interactorStyle:null,picker:null,pickingManager:null,initialized:!1,enabled:!1,enableRender:!0,currentRenderer:null,lightFollowCamera:!0,desiredUpdateRate:30,stillUpdateRate:2,container:null,recognizeGestures:!0,currentGesture:"Start",animationRequest:null,lastFrameTime:.1,recentAnimationFrameRate:10,wheelTimeoutID:0,moveTimeoutID:0,lastGamepadValues:{},preventDefaultOnPointerDown:!1,preventDefaultOnPointerUp:!1,mouseScrollDebounceByPass:!1};function Jf(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Yf,n),gt.obj(e,t),t._animationExtendedEnd=0,gt.event(e,t,"RenderEvent"),Xf.forEach((n=>gt.event(e,t,n))),gt.get(e,t,["initialized","container","interactorStyle","lastFrameTime","recentAnimationFrameRate","_view"]),gt.setGet(e,t,["lightFollowCamera","enabled","enableRender","recognizeGestures","desiredUpdateRate","stillUpdateRate","picker","preventDefaultOnPointerDown","preventDefaultOnPointerUp","mouseScrollDebounceByPass"]),gt.moveToProtected(e,t,["view"]),$f(e,t)}var Qf={newInstance:gt.newInstance(Jf,"vtkRenderWindowInteractor"),extend:Jf,handledEvents:Xf,...Lf};const{vtkErrorMacro:Zf,VOID:eh}=gt;function th(e,t){t.classHierarchy.push("vtkInteractorObserver");const n={...e};function r(){for(;t.subscribedEvents.length;)t.subscribedEvents.pop().unsubscribe()}function o(){Qf.handledEvents.forEach((n=>{e[`handle${n}`]&&t.subscribedEvents.push(t._interactor[`on${n}`]((r=>t.processEvents?e[`handle${n}`](r):eh),t.priority))}))}e.setInteractor=n=>{n!==t._interactor&&(r(),t._interactor=n,n&&t.enabled&&o(),e.modified())},e.setEnabled=n=>{n!==t.enabled&&(r(),n&&(t._interactor?o():Zf("\n The interactor must be set before subscribing to events\n ")),t.enabled=n,e.modified())},e.computeDisplayToWorld=(e,n,r,o)=>e?t._interactor.getView().displayToWorld(n,r,o,e):null,e.computeWorldToDisplay=(e,n,r,o)=>e?t._interactor.getView().worldToDisplay(n,r,o,e):null,e.setPriority=e=>{n.setPriority(e)&&t._interactor&&(r(),o())}}const nh={enabled:!0,priority:0,processEvents:!0,subscribedEvents:[]};function rh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,nh,n),gt.obj(e,t),gt.event(e,t,"InteractionEvent"),gt.event(e,t,"StartInteractionEvent"),gt.event(e,t,"EndInteractionEvent"),gt.get(e,t,["_interactor","enabled"]),gt.setGet(e,t,["priority","processEvents"]),gt.moveToProtected(e,t,["interactor"]),th(e,t)}var oh={newInstance:gt.newInstance(rh,"vtkInteractorObserver"),extend:rh,computeWorldToDisplay:function(e,t,n,r){return e.getRenderWindow().getViews()[0].worldToDisplay(t,n,r,e)},computeDisplayToWorld:function(e,t,n,r){return e.getRenderWindow().getViews()[0].displayToWorld(t,n,r,e)}},ih={States:{IS_START:0,IS_NONE:0,IS_ROTATE:1,IS_PAN:2,IS_SPIN:3,IS_DOLLY:4,IS_CAMERA_POSE:11,IS_WINDOW_LEVEL:1024,IS_SLICE:1025}};const{States:ah}=ih,sh={Rotate:ah.IS_ROTATE,Pan:ah.IS_PAN,Spin:ah.IS_SPIN,Dolly:ah.IS_DOLLY,CameraPose:ah.IS_CAMERA_POSE,WindowLevel:ah.IS_WINDOW_LEVEL,Slice:ah.IS_SLICE};function lh(e,t){t.classHierarchy.push("vtkInteractorStyle"),Object.keys(sh).forEach((n=>{gt.event(e,t,`Start${n}Event`),e[`start${n}`]=()=>{t.state===ah.IS_NONE&&(t.state=sh[n],t._interactor.requestAnimation(e),e.invokeStartInteractionEvent({type:"StartInteractionEvent"}),e[`invokeStart${n}Event`]({type:`Start${n}Event`}))},gt.event(e,t,`End${n}Event`),e[`end${n}`]=()=>{t.state===sh[n]&&(t.state=ah.IS_NONE,t._interactor.cancelAnimation(e),e.invokeEndInteractionEvent({type:"EndInteractionEvent"}),e[`invokeEnd${n}Event`]({type:`End${n}Event`}),t._interactor.render())}})),e.handleKeyPress=e=>{const n=t._interactor;let r=null;switch(e.key){case"r":case"R":e.pokedRenderer.resetCamera(),n.render();break;case"w":case"W":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToWireframe&&t.setRepresentationToWireframe()})),n.render();break;case"s":case"S":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToSurface&&t.setRepresentationToSurface()})),n.render();break;case"v":case"V":r=e.pokedRenderer.getActors(),r.forEach((e=>{const t=e.getProperty();t.setRepresentationToPoints&&t.setRepresentationToPoints()})),n.render()}}}const uh={state:ah.IS_NONE,handleObservers:1,autoAdjustCameraClippingRange:1};function ch(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,uh,n),oh.extend(e,t,n),lh(e,t)}var dh={newInstance:gt.newInstance(ch,"vtkInteractorStyle"),extend:ch,...ih};const{States:ph}=ih;function fh(e,t){t.classHierarchy.push("vtkInteractorStyleTrackballCamera"),e.handleMouseMove=n=>{const r=n.position,o=n.pokedRenderer;switch(t.state){case ph.IS_ROTATE:e.handleMouseRotate(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case ph.IS_PAN:e.handleMousePan(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case ph.IS_DOLLY:e.handleMouseDolly(o,r),e.invokeInteractionEvent({type:"InteractionEvent"});break;case ph.IS_SPIN:e.handleMouseSpin(o,r),e.invokeInteractionEvent({type:"InteractionEvent"})}t.previousPosition=r},e.handleButton3D=n=>{!n||!n.pressed||n.device!==Ff.RightController||n.input!==kf.Trigger&&n.input!==kf.TrackPad?!n||n.pressed||n.device!==Ff.RightController||n.input!==kf.Trigger&&n.input!==kf.TrackPad||t.state!==ph.IS_CAMERA_POSE||e.endCameraPose():e.startCameraPose()},e.handleMove3D=n=>{t.state===ph.IS_CAMERA_POSE&&e.updateCameraPose(n)},e.updateCameraPose=e=>{const t=e.pokedRenderer.getActiveCamera(),n=t.getPhysicalTranslation(),r=.025*t.getPhysicalScale(),o=t.physicalOrientationToWorldDirection([e.orientation.x,e.orientation.y,e.orientation.z,e.orientation.w]);t.setPhysicalTranslation(n[0]+o[0]*r,n[1]+o[1]*r,n[2]+o[2]*r)},e.handleLeftButtonPress=n=>{const r=n.position;t.previousPosition=r,n.shiftKey?n.controlKey||n.altKey?e.startDolly():e.startPan():n.controlKey||n.altKey?e.startSpin():e.startRotate()},e.handleLeftButtonRelease=()=>{switch(t.state){case ph.IS_DOLLY:e.endDolly();break;case ph.IS_PAN:e.endPan();break;case ph.IS_SPIN:e.endSpin();break;case ph.IS_ROTATE:e.endRotate()}},e.handleStartMouseWheel=()=>{e.startDolly()},e.handleEndMouseWheel=()=>{e.endDolly()},e.handleStartPinch=n=>{t.previousScale=n.scale,e.startDolly()},e.handleEndPinch=()=>{e.endDolly()},e.handleStartRotate=n=>{t.previousRotation=n.rotation,e.startRotate()},e.handleEndRotate=()=>{e.endRotate()},e.handleStartPan=n=>{t.previousTranslation=n.translation,e.startPan()},e.handleEndPan=()=>{e.endPan()},e.handlePinch=n=>{e.dollyByFactor(n.pokedRenderer,n.scale/t.previousScale),t.previousScale=n.scale},e.handlePan=n=>{const r=n.pokedRenderer.getActiveCamera();let o=r.getFocalPoint();o=e.computeWorldToDisplay(n.pokedRenderer,o[0],o[1],o[2]);const i=o[2],a=n.translation,s=t.previousTranslation,l=e.computeDisplayToWorld(n.pokedRenderer,o[0]+a[0]-s[0],o[1]+a[1]-s[1],i),u=e.computeDisplayToWorld(n.pokedRenderer,o[0],o[1],i),c=[];c[0]=u[0]-l[0],c[1]=u[1]-l[1],c[2]=u[2]-l[2],o=r.getFocalPoint();const d=r.getPosition();r.setFocalPoint(c[0]+o[0],c[1]+o[1],c[2]+o[2]),r.setPosition(c[0]+d[0],c[1]+d[1],c[2]+d[2]),t._interactor.getLightFollowCamera()&&n.pokedRenderer.updateLightsGeometryToFollowCamera(),r.orthogonalizeViewUp(),t.previousTranslation=n.translation},e.handleRotate=e=>{const n=e.pokedRenderer.getActiveCamera();n.roll(e.rotation-t.previousRotation),n.orthogonalizeViewUp(),t.previousRotation=e.rotation},e.handleMouseRotate=(e,n)=>{if(!t.previousPosition)return;const r=t._interactor,o=n.x-t.previousPosition.x,i=n.y-t.previousPosition.y,a=r.getView().getViewportSize(e);let s=-.1,l=-.1;a[0]&&a[1]&&(s=-20/a[1],l=-20/a[0]);const u=o*l*t.motionFactor,c=i*s*t.motionFactor,d=e.getActiveCamera();Number.isNaN(u)||Number.isNaN(c)||(d.azimuth(u),d.elevation(c),d.orthogonalizeViewUp()),t.autoAdjustCameraClippingRange&&e.resetCameraClippingRange(),r.getLightFollowCamera()&&e.updateLightsGeometryToFollowCamera()},e.handleMouseSpin=(e,n)=>{if(!t.previousPosition)return;const r=t._interactor,o=e.getActiveCamera(),i=r.getView().getViewportCenter(e),a=_n(Math.atan2(t.previousPosition.y-i[1],t.previousPosition.x-i[0])),s=_n(Math.atan2(n.y-i[1],n.x-i[0]))-a;Number.isNaN(s)||(o.roll(s),o.orthogonalizeViewUp())},e.handleMousePan=(n,r)=>{if(!t.previousPosition)return;const o=n.getActiveCamera();let i=o.getFocalPoint();i=e.computeWorldToDisplay(n,i[0],i[1],i[2]);const a=i[2],s=e.computeDisplayToWorld(n,r.x,r.y,a),l=e.computeDisplayToWorld(n,t.previousPosition.x,t.previousPosition.y,a),u=[];u[0]=l[0]-s[0],u[1]=l[1]-s[1],u[2]=l[2]-s[2],i=o.getFocalPoint();const c=o.getPosition();o.setFocalPoint(u[0]+i[0],u[1]+i[1],u[2]+i[2]),o.setPosition(u[0]+c[0],u[1]+c[1],u[2]+c[2]),t._interactor.getLightFollowCamera()&&n.updateLightsGeometryToFollowCamera()},e.handleMouseDolly=(n,r)=>{if(!t.previousPosition)return;const o=r.y-t.previousPosition.y,i=t._interactor.getView().getViewportCenter(n),a=t.motionFactor*o/i[1];e.dollyByFactor(n,1.1**a)},e.handleMouseWheel=n=>{const r=1-n.spinY/t.zoomFactor;e.dollyByFactor(n.pokedRenderer,r)},e.dollyByFactor=(e,n)=>{if(Number.isNaN(n))return;const r=e.getActiveCamera();r.getParallelProjection()?r.setParallelScale(r.getParallelScale()/n):(r.dolly(n),t.autoAdjustCameraClippingRange&&e.resetCameraClippingRange()),t._interactor.getLightFollowCamera()&&e.updateLightsGeometryToFollowCamera()}}const hh={motionFactor:10,zoomFactor:10};function mh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,hh,n),dh.extend(e,t,n),gt.setGet(e,t,["motionFactor","zoomFactor"]),fh(e,t)}var gh={newInstance:gt.newInstance(mh,"vtkInteractorStyleTrackballCamera"),extend:mh};function vh(e){return e}function yh(e){return null===e||"null"===e?null:"true"===e||"false"!==e&&(void 0!==e&&"undefined"!==e?"["===e[0]&&"]"===e[e.length-1]?e.substring(1,e.length-1).split(",").map((e=>yh(e.trim()))):""===e||Number.isNaN(Number(e))?e:Number(e):void 0)}var bh=function(){let e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0],t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:window.location.search;const n={},r=e?yh:vh,o=(t||"").replace(/#.*/,"").replace("?","").split("&");return o.forEach((e=>{const[t,o]=e.split("=").map((e=>decodeURIComponent(e)));t&&(n[t]=!o||r(o))})),n},xh={CoordinateSystem:{DISPLAY:0,WORLD:1}};const{CoordinateSystem:_h}=xh;function Th(e){return()=>gt.vtkErrorMacro(`vtkProp::${e} - NOT IMPLEMENTED`)}function Sh(e,t){t.classHierarchy.push("vtkProp"),e.getMTime=()=>{let e=t.mtime;for(let n=0;ne&&(e=r)}return e},e.processSelectorPixelBuffers=(e,t)=>{},e.getNestedProps=()=>null,e.getActors=()=>[],e.getActors2D=()=>[],e.getVolumes=()=>[],e.pick=Th("pick"),e.hasKey=Th("hasKey"),e.getNestedVisibility=()=>t.visibility&&(!t._parentProp||t._parentProp.getNestedVisibility()),e.getNestedPickable=()=>t.pickable&&(!t._parentProp||t._parentProp.getNestedPickable()),e.getNestedDragable=()=>t.dragable&&(!t._parentProp||t._parentProp.getNestedDragable()),e.getRedrawMTime=()=>t.mtime,e.setEstimatedRenderTime=e=>{t.estimatedRenderTime=e,t.savedEstimatedRenderTime=e},e.restoreEstimatedRenderTime=()=>{t.estimatedRenderTime=t.savedEstimatedRenderTime},e.addEstimatedRenderTime=e=>{t.estimatedRenderTime+=e},e.setAllocatedRenderTime=e=>{t.allocatedRenderTime=e,t.savedEstimatedRenderTime=t.estimatedRenderTime,t.estimatedRenderTime=0},e.getSupportsSelection=()=>!1,e.getTextures=()=>t.textures,e.hasTexture=e=>-1!==t.textures.indexOf(e),e.addTexture=n=>{n&&!e.hasTexture(n)&&(t.textures=t.textures.concat(n),e.modified())},e.removeTexture=n=>{const r=t.textures.filter((e=>e!==n));t.textures.length!==r.length&&(t.textures=r,e.modified())},e.removeAllTextures=()=>{t.textures=[],e.modified()},e.setCoordinateSystemToWorld=()=>e.setCoordinateSystem(_h.WORLD),e.setCoordinateSystemToDisplay=()=>e.setCoordinateSystem(_h.DISPLAY)}const wh={allocatedRenderTime:10,coordinateSystem:_h.WORLD,dragable:!0,estimatedRenderTime:0,paths:null,pickable:!0,renderTimeMultiplier:1,savedEstimatedRenderTime:0,textures:[],useBounds:!0,visibility:!0};function Ch(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,wh,n),gt.obj(e,t),gt.get(e,t,["estimatedRenderTime","allocatedRenderTime"]),gt.setGet(e,t,["_parentProp","coordinateSystem","dragable","pickable","renderTimeMultiplier","useBounds","visibility"]),gt.moveToProtected(e,t,["parentProp"]),Sh(e,t)}var Ah={newInstance:gt.newInstance(Ch,"vtkProp"),extend:Ch,...xh};function Eh(e,t){t.classHierarchy.push("vtkProp3D"),e.addPosition=n=>{t.position=t.position.map(((e,t)=>e+n[t])),e.modified()},e.getOrientationWXYZ=()=>{const e=Ro();F(e,t.rotation);const n=new Float64Array(3),r=function(e,t){var n=2*Math.acos(t[3]),r=Math.sin(n/2);return r>o?(e[0]=t[0]/r,e[1]=t[1]/r,e[2]=t[2]/r):(e[0]=1,e[1]=0,e[2]=0),n}(n,e);return[_n(r),n[0],n[1],n[2]]},e.rotateX=n=>{0!==n&&(T(t.rotation,t.rotation,xn(n)),e.modified())},e.rotateY=n=>{0!==n&&(S(t.rotation,t.rotation,xn(n)),e.modified())},e.rotateZ=n=>{0!==n&&(w(t.rotation,t.rotation,xn(n)),e.modified())},e.rotateWXYZ=(n,r,o,i)=>{if(0===n||0===r&&0===o&&0===i)return;const a=xn(n),s=Ro();Fo(s,[r,o,i],a);const l=new Float64Array(16);B(l,s),y(t.rotation,t.rotation,l),e.modified()},e.setOrientation=(n,r,o)=>(n!==t.orientation[0]||r!==t.orientation[1]||o!==t.orientation[2])&&(t.orientation=[n,r,o],f(t.rotation),e.rotateZ(o),e.rotateX(n),e.rotateY(r),e.modified(),!0),e.setUserMatrix=n=>!$n(t.userMatrix,n)&&(c(t.userMatrix,n),e.modified(),!0),e.getMatrix=()=>(e.computeMatrix(),t.matrix),e.computeMatrix=()=>{if(e.getMTime()>t.matrixMTime.getMTime()){f(t.matrix),t.userMatrix&&y(t.matrix,t.matrix,t.userMatrix),b(t.matrix,t.matrix,t.origin),b(t.matrix,t.matrix,t.position),y(t.matrix,t.matrix,t.rotation),x(t.matrix,t.matrix,t.scale),b(t.matrix,t.matrix,[-t.origin[0],-t.origin[1],-t.origin[2]]),h(t.matrix,t.matrix),t.isIdentity=!0;for(let e=0;e<4;++e)for(let n=0;n<4;++n)(e===n?1:0)!==t.matrix[e+4*n]&&(t.isIdentity=!1);t.matrixMTime.modified()}},e.getCenter=()=>bf.getCenter(t.bounds),e.getLength=()=>bf.getLength(t.bounds),e.getXRange=()=>bf.getXRange(t.bounds),e.getYRange=()=>bf.getYRange(t.bounds),e.getZRange=()=>bf.getZRange(t.bounds),e.getUserMatrix=()=>t.userMatrix,e.onModified((function(){e.computeMatrix()}))}const Dh={origin:[0,0,0],position:[0,0,0],orientation:[0,0,0],rotation:null,scale:[1,1,1],bounds:[1,-1,1,-1,1,-1],userMatrix:null,userMatrixMTime:null,cachedProp3D:null,isIdentity:!0,matrixMTime:null};function Ih(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Dh,n),Ah.extend(e,t,n),t.matrixMTime={},gt.obj(t.matrixMTime),gt.get(e,t,["bounds","isIdentity"]),gt.getArray(e,t,["orientation"]),gt.setGetArray(e,t,["origin","position","scale"],3),t.matrix=f(new Float64Array(16)),t.rotation=f(new Float64Array(16)),t.userMatrix=f(new Float64Array(16)),t.transform=null,Eh(e,t)}var Ph={newInstance:gt.newInstance(Ih,"vtkProp3D"),extend:Ih};const{vtkDebugMacro:Oh}=gt;function Nh(e,t){t.classHierarchy.push("vtkActor");const n={...e};e.getActors=()=>[e],e.getIsOpaque=()=>{if(t.forceOpaque)return!0;if(t.forceTranslucent)return!1;t.property||e.getProperty();let n=t.property.getOpacity()>=1;return n=n&&(!t.texture||!t.texture.isTranslucent()),n=n&&(!t.mapper||t.mapper.getIsOpaque()),n},e.hasTranslucentPolygonalGeometry=()=>null!==t.mapper&&(null===t.property&&e.setProperty(e.makeProperty()),!e.getIsOpaque()),e.makeProperty=wu.newInstance,e.getProperty=()=>(null===t.property&&(t.property=e.makeProperty()),t.property),e.getBounds=()=>{if(null===t.mapper)return t.bounds;const n=t.mapper.getBounds();if(!n||6!==n.length)return n;if(n[0]>n[1])return t.mapperBounds=n.concat(),t.bounds=[1,-1,1,-1,1,-1],t.boundsMTime.modified(),n;if(!t.mapperBounds||n[0]!==t.mapperBounds[0]||n[1]!==t.mapperBounds[1]||n[2]!==t.mapperBounds[2]||n[3]!==t.mapperBounds[3]||n[4]!==t.mapperBounds[4]||n[5]!==t.mapperBounds[5]||e.getMTime()>t.boundsMTime.getMTime()){Oh("Recomputing bounds..."),t.mapperBounds=n.concat();const r=[];bf.getCorners(n,r),e.computeMatrix();const o=new Float64Array(16);h(o,t.matrix),r.forEach((e=>Yt(e,e,o))),t.bounds[0]=t.bounds[2]=t.bounds[4]=Number.MAX_VALUE,t.bounds[1]=t.bounds[3]=t.bounds[5]=-Number.MAX_VALUE,t.bounds=t.bounds.map(((e,t)=>t%2==0?r.reduce(((e,n)=>e>n[t/2]?n[t/2]:e),e):r.reduce(((e,n)=>e{let e=n.getMTime();if(null!==t.property){const n=t.property.getMTime();e=n>e?n:e}if(null!==t.backfaceProperty){const n=t.backfaceProperty.getMTime();e=n>e?n:e}return e},e.getRedrawMTime=()=>{let e=t.mtime;if(null!==t.mapper){let n=t.mapper.getMTime();e=n>e?n:e,null!==t.mapper.getInput()&&(t.mapper.getInputAlgorithm().update(),n=t.mapper.getInput().getMTime(),e=n>e?n:e)}return e},e.getSupportsSelection=()=>!!t.mapper&&t.mapper.getSupportsSelection(),e.processSelectorPixelBuffers=(e,n)=>{t.mapper&&t.mapper.processSelectorPixelBuffers&&t.mapper.processSelectorPixelBuffers(e,n)}}const Mh={mapper:null,property:null,backfaceProperty:null,forceOpaque:!1,forceTranslucent:!1,bounds:[1,-1,1,-1,1,-1]};function Rh(e,t){t.classHierarchy.push("vtkAbstractMapper"),e.update=()=>{e.getInputData()},e.addClippingPlane=n=>!!n.isA("vtkPlane")&&!t.clippingPlanes.includes(n)&&(t.clippingPlanes.push(n),e.modified(),!0),e.getNumberOfClippingPlanes=()=>t.clippingPlanes.length,e.removeAllClippingPlanes=()=>0!==t.clippingPlanes.length&&(t.clippingPlanes.length=0,e.modified(),!0),e.removeClippingPlane=n=>{const r=t.clippingPlanes.indexOf(n);return-1!==r&&(t.clippingPlanes.splice(r,1),e.modified(),!0)},e.getClippingPlanes=()=>t.clippingPlanes,e.setClippingPlanes=t=>{if(t)if(Array.isArray(t)){const n=t.length;for(let r=0;r{const o=t.clippingPlanes,i=e;if(o){const e=o.length;if(n>=0&&n2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Mh,n),Ph.extend(e,t,n),t.boundsMTime={},gt.obj(t.boundsMTime),gt.set(e,t,["property"]),gt.setGet(e,t,["backfaceProperty","forceOpaque","forceTranslucent","mapper"]),Nh(e,t)}),"vtkActor");const Fh={clippingPlanes:[]};var kh=function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Fh,n),gt.obj(e,t),gt.algo(e,t,1,0),t.clippingPlanes||(t.clippingPlanes=[]),Rh(e,t)};function Lh(e,t){e.getBounds=()=>(gt.vtkErrorMacro("vtkAbstractMapper3D.getBounds - NOT IMPLEMENTED"),Dr()),e.getCenter=()=>{const n=e.getBounds();return t.center=bf.isValid(n)?bf.getCenter(n):null,t.center?.slice()},e.getLength=()=>{const t=e.getBounds();return bf.getDiagonalLength(t)}}const Bh=e=>({bounds:[...bf.INIT_BOUNDS],center:[0,0,0],viewSpecificProperties:{},...e});var Vh=function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Bh(n)),kh(e,t,n),gt.setGet(e,t,["viewSpecificProperties"]),Lh(e,t)};const Uh={UNCHANGED:0,SINGLE_POINT:1,X_LINE:2,Y_LINE:3,Z_LINE:4,XY_PLANE:5,YZ_PLANE:6,XZ_PLANE:7,XYZ_GRID:8,EMPTY:9};var Gh={StructuredType:Uh};const{StructuredType:zh}=Gh;var jh={getDataDescriptionFromExtent:function(e){let t=0;for(let n=0;n<3;++n)e[2*n]e[1]||e[2]>e[3]||e[4]>e[5]?zh.EMPTY:3===t?zh.XYZ_GRID:2===t?e[0]===e[1]?zh.YZ_PLANE:e[2]===e[3]?zh.XZ_PLANE:zh.XY_PLANE:1===t?e[0]e!==i[t]));return a&&(t.extent=i.slice(),t.dataDescription=jh.getDataDescriptionFromExtent(t.extent),e.modified()),a},e.setDimensions=function(){let n,r,o;if(t.deleted)Wh("instance deleted - cannot call any method");else{if(1===arguments.length){const e=arguments.length<=0?void 0:arguments[0];n=e[0],r=e[1],o=e[2]}else{if(3!==arguments.length)return void Wh("Bad dimension specification");n=arguments.length<=0?void 0:arguments[0],r=arguments.length<=1?void 0:arguments[1],o=arguments.length<=2?void 0:arguments[2]}e.setExtent(0,n-1,0,r-1,0,o-1)}},e.getDimensions=()=>[t.extent[1]-t.extent[0]+1,t.extent[3]-t.extent[2]+1,t.extent[5]-t.extent[4]+1],e.getNumberOfCells=()=>{const t=e.getDimensions();let n=1;for(let e=0;e<3;e++){if(0===t[e])return 0;t[e]>1&&(n*=t[e]-1)}return n},e.getNumberOfPoints=()=>{const t=e.getDimensions();return t[0]*t[1]*t[2]},e.getPoint=n=>{const r=e.getDimensions();if(0===r[0]||0===r[1]||0===r[2])return Wh("Requesting a point from an empty image."),null;const o=new Float64Array(3);switch(t.dataDescription){case Uh.EMPTY:return null;case Uh.SINGLE_POINT:break;case Uh.X_LINE:o[0]=n;break;case Uh.Y_LINE:o[1]=n;break;case Uh.Z_LINE:o[2]=n;break;case Uh.XY_PLANE:o[0]=n%r[0],o[1]=n/r[0];break;case Uh.YZ_PLANE:o[1]=n%r[1],o[2]=n/r[1];break;case Uh.XZ_PLANE:o[0]=n%r[0],o[2]=n/r[0];break;case Uh.XYZ_GRID:o[0]=n%r[0],o[1]=n/r[0]%r[1],o[2]=n/(r[0]*r[1]);break;default:Wh("Invalid dataDescription")}const i=[0,0,0];return e.indexToWorld(o,i),i},e.getBounds=()=>e.extentToBounds(e.getSpatialExtent()),e.extentToBounds=e=>bf.transformBounds(e,t.indexToWorld),e.getSpatialExtent=()=>bf.inflate([...t.extent],.5),e.computeTransforms=()=>{C(t.indexToWorld,t.origin),t.indexToWorld[0]=t.direction[0],t.indexToWorld[1]=t.direction[1],t.indexToWorld[2]=t.direction[2],t.indexToWorld[4]=t.direction[3],t.indexToWorld[5]=t.direction[4],t.indexToWorld[6]=t.direction[5],t.indexToWorld[8]=t.direction[6],t.indexToWorld[9]=t.direction[7],t.indexToWorld[10]=t.direction[8],x(t.indexToWorld,t.indexToWorld,t.spacing),m(t.worldToIndex,t.indexToWorld)},e.indexToWorld=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return Yt(n,e,t.indexToWorld),n},e.indexToWorldVec3=e.indexToWorld,e.worldToIndex=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return Yt(n,e,t.worldToIndex),n},e.worldToIndexVec3=e.worldToIndex,e.indexToWorldBounds=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return bf.transformBounds(e,t.indexToWorld,n)},e.worldToIndexBounds=function(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return bf.transformBounds(e,t.worldToIndex,n)},e.onModified(e.computeTransforms),e.computeTransforms(),e.getCenter=()=>bf.getCenter(e.getBounds()),e.computeHistogram=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;const r=[0,0,0,0,0,0];e.worldToIndexBounds(t,r);const o=[0,0,0],i=[0,0,0];bf.computeCornerPoints(r,o,i),er(o,o),er(i,i);const a=e.getDimensions();_r(o,[0,0,0],[a[0]-1,a[1]-1,a[2]-1],o),_r(i,[0,0,0],[a[0]-1,a[1]-1,a[2]-1],i);const s=a[0],l=a[0]*a[1],u=e.getPointData().getScalars().getData();let c=-1/0,d=1/0,p=0,f=0,h=0;for(let e=o[2];e<=i[2];e++)for(let t=o[1];t<=i[1];t++){let a=o[0]+t*s+e*l;for(let s=o[0];s<=i[0];s++){if(!n||n([s,t,e],r)){const e=u[a];e>c&&(c=e),e0?f/h:0,g=h?Math.abs(p/h-m*m):0,v=Math.sqrt(g);return{minimum:d,maximum:c,average:m,variance:g,sigma:v,count:h}},e.computeIncrements=function(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;const n=[];let r=t;for(let t=0;t<3;++t)n[t]=r,r*=e[2*t+1]-e[2*t]+1;return n},e.computeOffsetIndex=t=>{let[n,r,o]=t;const i=e.getExtent(),a=e.getPointData().getScalars().getNumberOfComponents(),s=e.computeIncrements(i,a);return Math.floor((Math.round(n)-i[0])*s[0]+(Math.round(r)-i[2])*s[1]+(Math.round(o)-i[4])*s[2])},e.getOffsetIndexFromWorld=t=>{const n=e.getExtent(),r=e.worldToIndex(t);for(let e=0;e<3;++e)if(r[e]n[2*e+1])return Wh(`GetScalarPointer: Pixel ${r} is not in memory. Current extent = ${n}`),NaN;return e.computeOffsetIndex(r)},e.getScalarValueFromWorld=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const r=e.getPointData().getScalars().getNumberOfComponents();if(n<0||n>=r)return Wh(`GetScalarPointer: Scalar Component ${n} is not within bounds. 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Yh(e,t){t.classHierarchy.push("vtkLookupTable"),e.isOpaque=()=>{if(t.opaqueFlagBuildTime.getMTime()!1,e.getNumberOfAvailableColors=()=>t.table.length/4,e.linearIndexLookup=(e,t)=>{let n=0;const r=Number(e);return rt.range[1]?n=t.maxIndex+1+1.5:(n=(r+t.shift)*t.scale,n=n{let o=0;o=Er(t)?Math.floor(r.maxIndex+1.5+2):e.linearIndexLookup(t,r);const i=4*o;return n.slice(i,i+4)},e.indexedLookupFunction=(n,r,o)=>{let i=e.getAnnotatedValueIndexInternal(n);-1===i&&(i=t.numberOfColors+2);const a=4*i;return[r[a],r[a+1],r[a+2],r[a+3]]},e.lookupShiftAndScale=(e,t)=>{t.shift=-e[0],t.scale=Number.MAX_VALUE,e[1]>e[0]&&(t.scale=(t.maxIndex+1)/(e[1]-e[0]))},e.mapScalarsThroughTable=(n,r,o,i)=>{let a=e.linearLookup;t.indexedLookup&&(a=e.indexedLookupFunction);const s=e.getMappingRange(),l={maxIndex:e.getNumberOfColors()-1,range:s,shift:0,scale:0};e.lookupShiftAndScale(s,l);const u=e.getAlpha(),c=n.getNumberOfTuples(),d=n.getNumberOfComponents(),p=r.getData(),f=n.getData();if(u>=1){if(o===$d.RGBA)for(let e=0;e{let n=0,r=0,o=0,i=0;const a=t.numberOfColors-1;a&&(n=(t.hueRange[1]-t.hueRange[0])/a,r=(t.saturationRange[1]-t.saturationRange[0])/a,o=(t.valueRange[1]-t.valueRange[0])/a,i=(t.alphaRange[1]-t.alphaRange[0])/a),t.table.length=4*a+16;const s=[],l=[];for(let e=0;e<=a;e++)s[0]=t.hueRange[0]+e*n,s[1]=t.saturationRange[0]+e*r,s[2]=t.valueRange[0]+e*o,dr(s,l),l[3]=t.alphaRange[0]+e*i,t.table[4*e]=255*l[0]+.5,t.table[4*e+1]=255*l[1]+.5,t.table[4*e+2]=255*l[2]+.5,t.table[4*e+3]=255*l[3]+.5;e.buildSpecialColors(),t.buildTime.modified()},e.setTable=n=>{if(Array.isArray(n)){const r=n[0].length;t.numberOfColors=n.length;const o=4-r;let i=0;for(let e=0;e{const{numberOfColors:e}=t,n=t.table;let r=4*(e+0);t.useBelowRangeColor||0===e?(n[r]=255*t.belowRangeColor[0]+.5,n[r+1]=255*t.belowRangeColor[1]+.5,n[r+2]=255*t.belowRangeColor[2]+.5,n[r+3]=255*t.belowRangeColor[3]+.5):(n[r]=n[0],n[r+1]=n[1],n[r+2]=n[2],n[r+3]=n[3]),r=4*(e+1),t.useAboveRangeColor||0===e?(n[r]=255*t.aboveRangeColor[0]+.5,n[r+1]=255*t.aboveRangeColor[1]+.5,n[r+2]=255*t.aboveRangeColor[2]+.5,n[r+3]=255*t.aboveRangeColor[3]+.5):(n[r]=n[4*(e-1)+0],n[r+1]=n[4*(e-1)+1],n[r+2]=n[4*(e-1)+2],n[r+3]=n[4*(e-1)+3]),r=4*(e+2),n[r]=255*t.nanColor[0]+.5,n[r+1]=255*t.nanColor[1]+.5,n[r+2]=255*t.nanColor[2]+.5,n[r+3]=255*t.nanColor[3]+.5},e.build=()=>{(t.table.length<1||e.getMTime()>t.buildTime.getMTime()&&t.insertTime.getMTime()<=t.buildTime.getMTime())&&e.forceBuild()},t.table.length>0&&(e.buildSpecialColors(),t.insertTime.modified())}const Jh={numberOfColors:256,hueRange:[0,.66667],saturationRange:[1,1],valueRange:[1,1],alphaRange:[1,1],nanColor:[.5,0,0,1],belowRangeColor:[0,0,0,1],aboveRangeColor:[1,1,1,1],useAboveRangeColor:!1,useBelowRangeColor:!1,alpha:1};function Qh(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Jh,n),lp.extend(e,t,n),t.table||(t.table=[]),t.buildTime={},gt.obj(t.buildTime),t.opaqueFlagBuildTime={},gt.obj(t.opaqueFlagBuildTime,{mtime:0}),t.insertTime={},gt.obj(t.insertTime,{mtime:0}),gt.get(e,t,["buildTime"]),gt.setGet(e,t,["numberOfColors","useAboveRangeColor","useBelowRangeColor"]),gt.setArray(e,t,["alphaRange","hueRange","saturationRange","valueRange"],2),gt.setArray(e,t,["nanColor","belowRangeColor","aboveRangeColor"],4),gt.getArray(e,t,["hueRange","saturationRange","valueRange","alphaRange","nanColor","belowRangeColor","aboveRangeColor"]),Yh(e,t)}var Zh={newInstance:gt.newInstance(Qh,"vtkLookupTable"),extend:Qh};let em=1,tm=0;const nm=["VTK_RESOLVE_OFF","VTK_RESOLVE_POLYGON_OFFSET"];function rm(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;tm=e}var om={getResolveCoincidentTopologyAsString:function(){return nm[tm]},getResolveCoincidentTopologyPolygonOffsetFaces:function(){return em},getResolveCoincidentTopology:function(){return tm},setResolveCoincidentTopology:rm,setResolveCoincidentTopologyPolygonOffsetFaces:function(e){em=e},setResolveCoincidentTopologyToDefault:function(){rm(0)},setResolveCoincidentTopologyToOff:function(){rm(0)},setResolveCoincidentTopologyToPolygonOffset:function(){rm(1)}};function im(e,t,n){n.forEach((n=>{e[`get${n.method}`]=()=>t[n.key],e[`set${n.method}`]=(e,r)=>{t[n.key]={factor:e,offset:r}}}))}const am=["Polygon","Line","Point"],sm={};im(sm,{Polygon:{factor:2,offset:0},Line:{factor:1,offset:-1},Point:{factor:0,offset:-2}},am.map((e=>({key:e,method:`ResolveCoincidentTopology${e}OffsetParameters`}))));var lm={implementCoincidentTopologyMethods:function(e,t){void 0===t.resolveCoincidentTopology&&(t.resolveCoincidentTopology=!1),gt.setGet(e,t,["resolveCoincidentTopology"]),t.topologyOffset={Polygon:{factor:0,offset:0},Line:{factor:0,offset:0},Point:{factor:0,offset:0}},Object.keys(om).forEach((t=>{e[t]=om[t]})),Object.keys(sm).forEach((t=>{e[t]=sm[t]})),im(e,t.topologyOffset,am.map((e=>({key:e,method:`RelativeCoincidentTopology${e}OffsetParameters`})))),e.getCoincidentTopologyPolygonOffsetParameters=()=>{const t=sm.getResolveCoincidentTopologyPolygonOffsetParameters(),n=e.getRelativeCoincidentTopologyPolygonOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyLineOffsetParameters=()=>{const t=sm.getResolveCoincidentTopologyLineOffsetParameters(),n=e.getRelativeCoincidentTopologyLineOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}},e.getCoincidentTopologyPointOffsetParameter=()=>{const t=sm.getResolveCoincidentTopologyPointOffsetParameters(),n=e.getRelativeCoincidentTopologyPointOffsetParameters();return{factor:t.factor+n.factor,offset:t.offset+n.offset}}},staticOffsetAPI:sm,otherStaticMethods:om,CATEGORIES:am};const um={MIN_KNOWN_PASS:0,ACTOR_PASS:0,COMPOSITE_INDEX_PASS:1,ID_LOW24:2,ID_HIGH24:3,MAX_KNOWN_PASS:3};var cm={PassTypes:um};const{FieldAssociations:dm}=di,{staticOffsetAPI:pm,otherStaticMethods:fm}=lm,{ColorMode:hm,ScalarMode:mm,GetArray:gm}=Jd,{VectorMode:vm}=Yd,{VtkDataTypes:ym}=Wr;function bm(e){return()=>gt.vtkErrorMacro(`vtkMapper::${e} - NOT IMPLEMENTED`)}function xm(e,t){t.classHierarchy.push("vtkMapper"),e.getBounds=()=>{const n=e.getInputData();return n?(t.static||e.update(),t.bounds=n.getBounds()):t.bounds=Dr(),t.bounds},e.setForceCompileOnly=e=>{t.forceCompileOnly=e},e.setSelectionWebGLIdsToVTKIds=e=>{t.selectionWebGLIdsToVTKIds=e},e.createDefaultLookupTable=()=>{t.lookupTable=Zh.newInstance()},e.getColorModeAsString=()=>gt.enumToString(hm,t.colorMode),e.setColorModeToDefault=()=>e.setColorMode(0),e.setColorModeToMapScalars=()=>e.setColorMode(1),e.setColorModeToDirectScalars=()=>e.setColorMode(2),e.getScalarModeAsString=()=>gt.enumToString(mm,t.scalarMode),e.setScalarModeToDefault=()=>e.setScalarMode(0),e.setScalarModeToUsePointData=()=>e.setScalarMode(1),e.setScalarModeToUseCellData=()=>e.setScalarMode(2),e.setScalarModeToUsePointFieldData=()=>e.setScalarMode(3),e.setScalarModeToUseCellFieldData=()=>e.setScalarMode(4),e.setScalarModeToUseFieldData=()=>e.setScalarMode(5),e.getAbstractScalars=(e,n,r,o,i)=>{if(!e||!t.scalarVisibility)return{scalars:null,cellFLag:!1};let a=null,s=!1;if(n===mm.DEFAULT)a=e.getPointData().getScalars(),a||(a=e.getCellData().getScalars(),s=!0);else if(n===mm.USE_POINT_DATA)a=e.getPointData().getScalars();else if(n===mm.USE_CELL_DATA)a=e.getCellData().getScalars(),s=!0;else if(n===mm.USE_POINT_FIELD_DATA){const t=e.getPointData();a=r===gm.BY_ID?t.getArrayByIndex(o):t.getArrayByName(i)}else if(n===mm.USE_CELL_FIELD_DATA){const t=e.getCellData();s=!0,a=r===gm.BY_ID?t.getArrayByIndex(o):t.getArrayByName(i)}else if(n===mm.USE_FIELD_DATA){const t=e.getFieldData();a=r===gm.BY_ID?t.getArrayByIndex(o):t.getArrayByName(i)}return{scalars:a,cellFlag:s}},e.mapScalars=(n,r)=>{const o=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!o)return t.colorCoordinates=null,t.colorTextureMap=null,void(t.colorMapColors=null);const i=`${e.getMTime()}${o.getMTime()}${r}`;if(t.colorBuildString!==i){if(t.useLookupTableScalarRange||e.getLookupTable().setRange(t.scalarRange[0],t.scalarRange[1]),e.canUseTextureMapForColoring(n))e.mapScalarsToTexture(o,r);else{t.colorCoordinates=null,t.colorTextureMap=null;const n=e.getLookupTable();n&&(n.build(),t.colorMapColors=n.mapScalars(o,t.colorMode,t.fieldDataTupleId))}t.colorBuildString=`${e.getMTime()}${o.getMTime()}${r}`}},e.scalarToTextureCoordinate=(e,t,n)=>{let r=.5,o=1;return Er(e)||(o=.49,r=(e-t)*n,r>1e3?r=1e3:r<-1e3&&(r=-1e3)),{texCoordS:r,texCoordT:o}},e.createColorTextureCoordinates=(t,n,r,o,i,a,s,l,u)=>{const c=(a[1]-a[0])/l,d=[];d[0]=a[0]-c,d[1]=a[1]+c;const p=1/(d[1]-d[0]),f=n.getData(),h=t.getData();let m=0,g=0;if(i<0||i>=o)for(let t=0;t{const o=t.lookupTable.getRange(),i=t.lookupTable.usingLogScale();i&&Zh.getLogRange(o,o);const a=t.lookupTable.getAlpha();if(t.colorMapColors=null,null==t.colorTextureMap||e.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getMTime()>t.colorTextureMap.getMTime()||t.lookupTable.getAlpha()!==r){t.lookupTable.setAlpha(r),t.colorTextureMap=null,t.lookupTable.build();let e=t.lookupTable.getNumberOfAvailableColors();e>4094&&(e=4094),e<64&&(e=64),e+=2;const n=(o[1]-o[0])/(e-2),s=new Float64Array(2*e);for(let t=0;tt.colorCoordinates.getMTime()||e.getInputData(0).getMTime()>t.colorCoordinates.getMTime()||t.lookupTable.getMTime()>t.colorCoordinates.getMTime()){t.colorCoordinates=null;const r=n.getNumberOfComponents(),a=n.getNumberOfTuples();t.colorCoordinates=Wr.newInstance({numberOfComponents:2,values:new Float32Array(2*a)});let s=t.lookupTable.getVectorComponent();t.lookupTable.getVectorMode()===vm.MAGNITUDE&&n.getNumberOfComponents()>1&&(s=-1),e.createColorTextureCoordinates(n,t.colorCoordinates,a,r,s,o,t.lookupTable.getRange(),t.colorTextureMap.getPointData().getScalars().getNumberOfTuples()/2-2,i)}},e.getIsOpaque=()=>{const n=e.getInputData(),r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName).scalars;if(!t.scalarVisibility||null==r)return!0;const o=e.getLookupTable();return!o||(o.build(),o.areScalarsOpaque(r,t.colorMode,-1))},e.canUseTextureMapForColoring=n=>{if(!t.interpolateScalarsBeforeMapping)return!1;if(t.lookupTable&&t.lookupTable.getIndexedLookup())return!1;const r=e.getAbstractScalars(n,t.scalarMode,t.arrayAccessMode,t.arrayId,t.colorByArrayName),o=r.scalars;return!(!o||r.cellFlag||t.colorMode===hm.DEFAULT&&o.getDataType()===ym.UNSIGNED_CHAR||t.colorMode===hm.DIRECT_SCALARS)},e.clearColorArrays=()=>{t.colorMapColors=null,t.colorCoordinates=null,t.colorTextureMap=null},e.getLookupTable=()=>(t.lookupTable||e.createDefaultLookupTable(),t.lookupTable),e.getMTime=()=>{let e=t.mtime;if(null!==t.lookupTable){const n=t.lookupTable.getMTime();e=n>e?n:e}return e},e.getPrimitiveCount=()=>{const t=e.getInputData();return{points:t.getPoints().getNumberOfValues()/3,verts:t.getVerts().getNumberOfValues()-t.getVerts().getNumberOfCells(),lines:t.getLines().getNumberOfValues()-2*t.getLines().getNumberOfCells(),triangles:t.getPolys().getNumberOfValues()-3*t.getPolys().getNumberOfCells()}},e.acquireInvertibleLookupTable=bm("AcquireInvertibleLookupTable"),e.valueToColor=bm("ValueToColor"),e.colorToValue=bm("ColorToValue"),e.useInvertibleColorFor=bm("UseInvertibleColorFor"),e.clearInvertibleColor=bm("ClearInvertibleColor"),e.processSelectorPixelBuffers=(e,n)=>{if(!e||!t.selectionWebGLIdsToVTKIds||!t.populateSelectionSettings)return;const r=e.getRawPixelBuffer(um.ID_LOW24),o=e.getRawPixelBuffer(um.ID_HIGH24),i=e.getCurrentPass(),a=e.getFieldAssociation();let s=null;a===dm.FIELD_ASSOCIATION_POINTS?s=t.selectionWebGLIdsToVTKIds.points:a===dm.FIELD_ASSOCIATION_CELLS&&(s=t.selectionWebGLIdsToVTKIds.cells),s&&n.forEach((t=>{if(i===um.ID_LOW24){let n=0;o&&(n+=o[t],n*=256),n+=r[t+2],n*=256,n+=r[t+1],n*=256,n+=r[t];const i=s[n],a=e.getPixelBuffer(um.ID_LOW24);a[t]=255&i,a[t+1]=(65280&i)>>8,a[t+2]=(16711680&i)>>16}else if(i===um.ID_HIGH24&&o){let n=0;n+=o[t],n*=256,n+=r[t],n*=256,n+=r[t+1],n*=256,n+=r[t+2];const i=s[n];e.getPixelBuffer(um.ID_HIGH24)[t]=(4278190080&i)>>24}}))}}const _m={colorMapColors:null,static:!1,lookupTable:null,scalarVisibility:!0,scalarRange:[0,1],useLookupTableScalarRange:!1,colorMode:0,scalarMode:0,arrayAccessMode:1,renderTime:0,colorByArrayName:null,fieldDataTupleId:-1,populateSelectionSettings:!0,selectionWebGLIdsToVTKIds:null,interpolateScalarsBeforeMapping:!1,colorCoordinates:null,colorTextureMap:null,forceCompileOnly:0,useInvertibleColors:!1,invertibleScalars:null,customShaderAttributes:[]};function Tm(e,t){t.classHierarchy.push("vtkRenderPass"),e.getOperation=()=>t.currentOperation,e.setCurrentOperation=e=>{t.currentOperation=e,t.currentTraverseOperation=`traverse${gt.capitalize(t.currentOperation)}`},e.getTraverseOperation=()=>t.currentTraverseOperation,e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;t.deleted||(t._currentParent=r,t.preDelegateOperations.forEach((t=>{e.setCurrentOperation(t),n.traverse(e)})),t.delegates.forEach((t=>{t.traverse(n,e)})),t.postDelegateOperations.forEach((t=>{e.setCurrentOperation(t),n.traverse(e)})))}}gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,_m,n),Vh(e,t,n),gt.get(e,t,["colorCoordinates","colorMapColors","colorTextureMap","selectionWebGLIdsToVTKIds"]),gt.setGet(e,t,["colorByArrayName","arrayAccessMode","colorMode","fieldDataTupleId","interpolateScalarsBeforeMapping","lookupTable","populateSelectionSettings","renderTime","scalarMode","scalarVisibility","static","useLookupTableScalarRange","customShaderAttributes"]),gt.setGetArray(e,t,["scalarRange"],2),lm.implementCoincidentTopologyMethods(e,t),xm(e,t)}),"vtkMapper");const Sm={delegates:[],currentOperation:null,preDelegateOperations:[],postDelegateOperations:[],currentParent:null};function wm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Sm,n),gt.obj(e,t),gt.get(e,t,["currentOperation"]),gt.setGet(e,t,["delegates","_currentParent","preDelegateOperations","postDelegateOperations"]),gt.moveToProtected(e,t,["currentParent"]),Tm(e,t)}var Cm={newInstance:gt.newInstance(wm,"vtkRenderPass"),extend:wm};const{Representation:Am}=wu,{vtkErrorMacro:Em}=gt;function Dm(e){const t=Ca.substitute(e.Fragment,"//VTK::RenderPassFragmentShader::Impl","\n float weight = gl_FragData[0].a * pow(max(1.1 - gl_FragCoord.z, 0.0), 2.0);\n gl_FragData[0] = vec4(gl_FragData[0].rgb*weight, gl_FragData[0].a);\n gl_FragData[1].r = weight;\n ",!1);e.Fragment=t.result}function Im(e,t){t.classHierarchy.push("vtkOpenGLOrderIndependentTranslucentPass"),e.createVertexBuffer=()=>{const e=new Float32Array([-1,-1,-1,1,-1,-1,-1,1,-1,1,1,-1]),n=new Float32Array([0,0,1,0,0,1,1,1]),r=new Uint16Array([4,0,1,3,2]),o=Wr.newInstance({numberOfComponents:3,values:e});o.setName("points");const i=Wr.newInstance({numberOfComponents:2,values:n});i.setName("tcoords");const a=Wr.newInstance({numberOfComponents:1,values:r});t.tris.getCABO().createVBO(a,"polys",Am.SURFACE,{points:o,tcoords:i,cellOffset:0}),t.VBOBuildTime.modified()},e.createFramebuffer=e=>{const n=e.getSize(),r=e.getContext();t.framebuffer=Zs.newInstance(),t.framebuffer.setOpenGLRenderWindow(e),t.framebuffer.create(...n),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind(),t.translucentRGBATexture=hs.newInstance(),t.translucentRGBATexture.setInternalFormat(r.RGBA16F),t.translucentRGBATexture.setFormat(r.RGBA),t.translucentRGBATexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRGBATexture.setOpenGLRenderWindow(e),t.translucentRGBATexture.create2DFromRaw(n[0],n[1],4,"Float32Array",null),t.translucentRTexture=hs.newInstance(),t.translucentRTexture.setInternalFormat(r.R16F),t.translucentRTexture.setFormat(r.RED),t.translucentRTexture.setOpenGLDataType(r.HALF_FLOAT),t.translucentRTexture.setOpenGLRenderWindow(e),t.translucentRTexture.create2DFromRaw(n[0],n[1],1,"Float32Array",null),t.translucentZTexture=hs.newInstance(),t.translucentZTexture.setOpenGLRenderWindow(e),t.translucentZTexture.createDepthFromRaw(n[0],n[1],"Float32Array",null),t.framebuffer.setColorBuffer(t.translucentRGBATexture,0),t.framebuffer.setColorBuffer(t.translucentRTexture,1),t.framebuffer.setDepthBuffer(t.translucentZTexture)},e.createCopyShader=e=>{t.copyShader=e.getShaderCache().readyShaderProgramArray(["//VTK::System::Dec","attribute vec4 vertexDC;","attribute vec2 tcoordTC;","varying vec2 tcoord;","void main() { tcoord = tcoordTC; gl_Position = vertexDC; }"].join("\n"),"//VTK::System::Dec\n\nin vec2 tcoord;\n\nuniform sampler2D translucentRTexture;\nuniform sampler2D translucentRGBATexture;\n\n// the output of this shader\n//VTK::Output::Dec\n\nvoid main()\n{\n vec4 t1Color = texture(translucentRGBATexture, tcoord);\n float t2Color = texture(translucentRTexture, tcoord).r;\n gl_FragData[0] = vec4(t1Color.rgb/max(t2Color,0.01), 1.0 - t1Color.a);\n}\n","")},e.createVBO=n=>{const r=n.getContext();t.tris.setOpenGLRenderWindow(n),e.createVertexBuffer();const o=t.copyShader;t.tris.getCABO().bind(),t.copyVAO.addAttributeArray(o,t.tris.getCABO(),"vertexDC",t.tris.getCABO().getVertexOffset(),t.tris.getCABO().getStride(),r.FLOAT,3,r.FALSE)||Em("Error setting vertexDC in copy shader VAO."),t.copyVAO.addAttributeArray(o,t.tris.getCABO(),"tcoordTC",t.tris.getCABO().getTCoordOffset(),t.tris.getCABO().getStride(),r.FLOAT,2,r.FALSE)||Em("Error setting vertexDC in copy shader VAO.")},e.traverse=(n,r,o)=>{if(t.deleted)return;const i=n.getSize(),a=n.getContext();if(t._supported=!1,r.getSelector()||!a||!n.getWebgl2()||!a.getExtension("EXT_color_buffer_half_float")&&!a.getExtension("EXT_color_buffer_float"))return e.setCurrentOperation("translucentPass"),void r.traverse(e);if(t._supported=!0,null===t.framebuffer)e.createFramebuffer(n);else{const r=t.framebuffer.getSize();null===r||r[0]!==i[0]||r[1]!==i[1]?(t.framebuffer.releaseGraphicsResources(),t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRTexture.releaseGraphicsResources(n),t.translucentZTexture.releaseGraphicsResources(n),e.createFramebuffer(n)):(t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.bind())}a.drawBuffers([a.COLOR_ATTACHMENT0]),a.clearBufferfv(a.COLOR,0,[0,0,0,0]),a.clearBufferfv(a.DEPTH,0,[1]),a.colorMask(!1,!1,!1,!1),o.getOpaqueActorCount()>0&&(o.setCurrentOperation("opaqueZBufferPass"),r.traverse(o)),a.colorMask(!0,!0,!0,!0),a.drawBuffers([a.COLOR_ATTACHMENT0,a.COLOR_ATTACHMENT1]),a.viewport(0,0,i[0],i[1]),a.scissor(0,0,i[0],i[1]),a.clearBufferfv(a.COLOR,0,[0,0,0,1]),a.clearBufferfv(a.COLOR,1,[0,0,0,0]),a.enable(a.DEPTH_TEST),a.enable(a.BLEND),a.blendFuncSeparate(a.ONE,a.ONE,a.ZERO,a.ONE_MINUS_SRC_ALPHA),e.setCurrentOperation("translucentPass"),r.traverse(e),a.drawBuffers([a.NONE]),t.framebuffer.restorePreviousBindingsAndBuffers(),null===t.copyShader?e.createCopyShader(n):n.getShaderCache().readyShaderProgram(t.copyShader),t.copyVAO||(t.copyVAO=Ia.newInstance(),t.copyVAO.setOpenGLRenderWindow(n)),t.copyVAO.bind(),t.VBOBuildTime.getMTime()t._supported?Dm:null,e.releaseGraphicsResources=n=>{t.framebuffer&&(t.framebuffer.releaseGraphicsResources(n),t.framebuffer=null),t.translucentRGBATexture&&(t.translucentRGBATexture.releaseGraphicsResources(n),t.translucentRGBATexture=null),t.translucentRTexture&&(t.translucentRTexture.releaseGraphicsResources(n),t.translucentRTexture=null),t.translucentZTexture&&(t.translucentZTexture.releaseGraphicsResources(n),t.translucentZTexture=null),t.copyVAO&&(t.copyVAO.releaseGraphicsResources(n),t.copyVAO=null),t.copyShader&&(t.copyShader.releaseGraphicsResources(n),t.copyShader=null),t.tris&&(t.tris.releaseGraphicsResources(n),t.tris=null),e.modified()}}const Pm={framebuffer:null,copyShader:null,tris:null};function Om(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Pm,n),Cm.extend(e,t,n),t.VBOBuildTime={},gt.obj(t.VBOBuildTime,{mtime:0}),t.tris=Ra.newInstance(),gt.get(e,t,["framebuffer"]),Im(e,t)}var Nm={newInstance:gt.newInstance(Om,"vtkOpenGLOrderIndependentTranslucentPass"),extend:Om};function Mm(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getRenderable().getNumberOfLayers(),i=n.getChildren();for(let r=0;r0||t.translucentActorCount>0)&&t.volumeCount>0||t.depthRequested){const r=n.getFramebufferSize();null===t.framebuffer&&(t.framebuffer=Zs.newInstance()),t.framebuffer.setOpenGLRenderWindow(n),t.framebuffer.saveCurrentBindingsAndBuffers();const o=t.framebuffer.getSize();null!==o&&o[0]===r[0]&&o[1]===r[1]||(t.framebuffer.create(r[0],r[1]),t.framebuffer.populateFramebuffer()),t.framebuffer.bind(),e.setCurrentOperation("zBufferPass"),a.traverse(e),t.framebuffer.restorePreviousBindingsAndBuffers(),t.depthRequested=!1}e.setCurrentOperation("cameraPass"),a.traverse(e),t.opaqueActorCount>0&&(e.setCurrentOperation("opaquePass"),a.traverse(e)),t.translucentActorCount>0&&(t.translucentPass||(t.translucentPass=Nm.newInstance()),t.translucentPass.traverse(n,a,e)),t.volumeCount>0&&(e.setCurrentOperation("volumePass"),a.traverse(e)),t.overlayActorCount>0&&(e.setCurrentOperation("overlayPass"),a.traverse(e))}}},e.getZBufferTexture=()=>t.framebuffer?t.framebuffer.getColorTexture():null,e.requestDepth=()=>{t.depthRequested=!0},e.incrementOpaqueActorCount=()=>t.opaqueActorCount++,e.incrementTranslucentActorCount=()=>t.translucentActorCount++,e.incrementVolumeCount=()=>t.volumeCount++,e.incrementOverlayActorCount=()=>t.overlayActorCount++}const Rm={opaqueActorCount:0,translucentActorCount:0,volumeCount:0,overlayActorCount:0,framebuffer:null,depthRequested:!1};function Fm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Rm,n),Cm.extend(e,t,n),gt.get(e,t,["framebuffer","opaqueActorCount","translucentActorCount","volumeCount"]),Mm(e,t)}var km={newInstance:gt.newInstance(Fm,"vtkForwardPass"),extend:Fm};const{FieldAssociations:Lm}=di;function Bm(e,t){t.classHierarchy.push("vtkHardwareSelector"),e.getSourceDataAsync=async(e,t,n,r,o)=>{},e.selectAsync=async(t,n,r,o,i)=>{const a=await e.getSourceDataAsync(t,n,r,o,i);return a?a.generateSelection(n,r,o,i):[]}}const Vm={fieldAssociation:Lm.FIELD_ASSOCIATION_CELLS,captureZValues:!1};function Um(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Vm,n),gt.obj(e,t),gt.setGet(e,t,["fieldAssociation","captureZValues"]),Bm(e,t)}var Gm={newInstance:gt.newInstance(Um,"vtkHardwareSelector"),extend:Um};function zm(e,t){t.classHierarchy.push("vtkSelectionNode"),e.getBounds=()=>t.points.getBounds()}const jm={contentType:-1,fieldType:-1,properties:null,selectionList:[]};function Wm(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,jm,n),gt.obj(e,t),t.properties={},gt.setGet(e,t,["contentType","fieldType","properties","selectionList"]),zm(e,t)}var Hm={newInstance:gt.newInstance(Wm,"vtkSelectionNode"),extend:Wm,SelectionContent:{GLOBALIDS:0,PEDIGREEIDS:1,VALUES:2,INDICES:3,FRUSTUM:4,LOCATIONS:5,THRESHOLDS:6,BLOCKS:7,QUERY:8},SelectionField:{CELL:0,POINT:1,FIELD:2,VERTEX:3,EDGE:4,ROW:5}};const{PassTypes:Xm}=cm,{SelectionContent:Km,SelectionField:qm}=Hm,{FieldAssociations:$m}=di,{vtkErrorMacro:Ym}=gt;function Jm(e){return`${e.propID} ${e.compositeID}`}function Qm(e,t,n,r){return n?n[4*(t*(r[2]-r[0]+1)+e)+3]:0}function Zm(e,t,n,r){if(!n)return 0;const o=4*(t*(r[2]-r[0]+1)+e),i=n[o],a=n[o+1];return 256*(256*n[o+2]+a)+i}function eg(e,t){let n=t;return n<<=24,n|=e,n}function tg(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]e.area[2]||t[1]e.area[3])return null;const n=[t[0]-e.area[0],t[1]-e.area[1]],o=Zm(n[0],n[1],e.pixBuffer[Xm.ACTOR_PASS],e.area);if(o<=0||o-1>=e.props.length)return null;const i={valid:!0};i.propID=o-1,i.prop=e.props[i.propID];let a=Zm(n[0],n[1],e.pixBuffer[Xm.COMPOSITE_INDEX_PASS],e.area);if((a<0||a>16777215)&&(a=0),i.compositeID=a-1,e.captureZValues){const r=4*(n[1]*(e.area[2]-e.area[0]+1)+n[0]);i.zValue=(256*e.zBuffer[r]+e.zBuffer[r+1])/65535,i.displayPosition=t}if(e.pixBuffer[Xm.ID_LOW24]&&0===Qm(n[0],n[1],e.pixBuffer[Xm.ID_LOW24],e.area))return i;const s=Zm(n[0],n[1],e.pixBuffer[Xm.ID_LOW24],e.area),l=Zm(n[0],n[1],e.pixBuffer[Xm.ID_HIGH24],e.area);return i.attributeID=eg(s,l),i}const i=[t[0],t[1]],a=[0,0];let s=tg(e,t,0,r);if(s&&s.valid)return s;for(let t=1;tt?i[1]-t:0;n<=i[1]+t;++n){if(a[1]=n,i[0]>=t&&(a[0]=i[0]-t,s=tg(e,a,0,r),s&&s.valid))return s;if(a[0]=i[0]+t,s=tg(e,a,0,r),s&&s.valid)return s}for(let n=i[0]>=t?i[0]-(t-1):0;n<=i[0]+(t-1);++n){if(a[0]=n,i[1]>=t&&(a[1]=i[1]-t,s=tg(e,a,0,r),s&&s.valid))return s;if(a[1]=i[1]+t,s=tg(e,a,0,r),s&&s.valid)return s}}return r[0]=t[0],r[1]=t[1],null}function ng(e,t,n,r,o){const i=[];let a=0;return t.forEach(((t,s)=>{const l=Hm.newInstance();switch(l.setContentType(Km.INDICES),e){case $m.FIELD_ASSOCIATION_CELLS:l.setFieldType(qm.CELL);break;case $m.FIELD_ASSOCIATION_POINTS:l.setFieldType(qm.POINT);break;default:Ym("Unknown field association")}l.getProperties().propID=t.info.propID,l.getProperties().prop=t.info.prop,l.getProperties().compositeID=t.info.compositeID,l.getProperties().attributeID=t.info.attributeID,l.getProperties().pixelCount=t.pixelCount,n&&(l.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],l.getProperties().worldPosition=o.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,r)),l.setSelectionList(t.attributeIDs),i[a]=l,a++})),i}function rg(e,t,n,r,o){const i=Math.floor(t),a=Math.floor(n),s=Math.floor(r),l=Math.floor(o),u=new Map,c=[0,0];for(let t=a;t<=l;t++)for(let n=i;n<=s;n++){const r=tg(e,[n,t],0,c);if(r&&r.valid){const t=Jm(r);if(u.has(t)){const n=u.get(t);n.pixelCount++,e.captureZValues&&r.zValue{t.rawPixBuffer=[],t.pixBuffer=[],t.zBuffer=null},e.beginSelection=()=>{t._openGLRenderer=t._openGLRenderWindow.getViewNodeFor(t._renderer),t.maxAttributeId=0;const n=t._openGLRenderWindow.getSize();if(t.framebuffer){t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers();const e=t.framebuffer.getSize();e[0]!==n[0]||e[1]!==n[1]?(t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer()):t.framebuffer.bind()}else t.framebuffer=Zs.newInstance(),t.framebuffer.setOpenGLRenderWindow(t._openGLRenderWindow),t.framebuffer.saveCurrentBindingsAndBuffers(),t.framebuffer.create(n[0],n[1]),t.framebuffer.populateFramebuffer();if(t._openGLRenderer.clear(),t._openGLRenderer.setSelector(e),t.hitProps={},t.propPixels={},t.props=[],e.releasePixBuffers(),t.fieldAssociation===$m.FIELD_ASSOCIATION_POINTS){const e=t._openGLRenderWindow.getContext(),n=e.isEnabled(e.BLEND);e.disable(e.BLEND),t._openGLRenderWindow.traverseAllPasses(),n&&e.enable(e.BLEND)}},e.endSelection=()=>{t.hitProps={},t._openGLRenderer.setSelector(null),t.framebuffer.restorePreviousBindingsAndBuffers()},e.preCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending=e.isEnabled(e.BLEND),e.disable(e.BLEND)},e.postCapturePass=()=>{const e=t._openGLRenderWindow.getContext();t.originalBlending&&e.enable(e.BLEND)},e.select=()=>{let n=null;return e.captureBuffers()&&(n=e.generateSelection(t.area[0],t.area[1],t.area[2],t.area[3]),e.releasePixBuffers()),n},e.getSourceDataAsync=async(n,r,o,i,a)=>{if(t._renderer=n,void 0===r){const n=t._openGLRenderWindow.getSize();e.setArea(0,0,n[0]-1,n[1]-1)}else e.setArea(r,o,i,a);if(!e.captureBuffers())return!1;const s={area:[...t.area],pixBuffer:[...t.pixBuffer],captureZValues:t.captureZValues,zBuffer:t.zBuffer,props:[...t.props],fieldAssociation:t.fieldAssociation,renderer:n,openGLRenderWindow:t._openGLRenderWindow,generateSelection:function(){for(var e=arguments.length,t=new Array(e),n=0;n{if(!t._renderer||!t._openGLRenderWindow)return Ym("Renderer and view must be set before calling Select."),!1;t._openGLRenderer=t._openGLRenderWindow.getViewNodeFor(t._renderer),t._openGLRenderWindow.getRenderable().preRender(),e.invokeEvent({type:"StartEvent"}),t.originalBackground=t._renderer.getBackgroundByReference(),t._renderer.setBackground(0,0,0,0);const n=t._openGLRenderWindow.getRenderPasses();for(e.beginSelection(),t.currentPass=Xm.MIN_KNOWN_PASS;t.currentPass<=Xm.MAX_KNOWN_PASS;t.currentPass++)e.passRequired(t.currentPass)&&(e.preCapturePass(t.currentPass),t.captureZValues&&t.currentPass===Xm.ACTOR_PASS&&"function"==typeof n[0].requestDepth&&"function"==typeof n[0].getFramebuffer?(n[0].requestDepth(),t._openGLRenderWindow.traverseAllPasses()):t._openGLRenderWindow.traverseAllPasses(),e.postCapturePass(t.currentPass),e.savePixelBuffer(t.currentPass),e.processPixelBuffers());return e.endSelection(),t._renderer.setBackground(t.originalBackground),e.invokeEvent({type:"EndEvent"}),!0},e.processPixelBuffers=()=>{t.props.forEach(((n,r)=>{e.isPropHit(r)&&n.processSelectorPixelBuffers(e,t.propPixels[r])}))},e.passRequired=e=>{if(e===Xm.ID_HIGH24){if(t.fieldAssociation===$m.FIELD_ASSOCIATION_POINTS)return t.maximumPointId>16777215;if(t.fieldAssociation===$m.FIELD_ASSOCIATION_CELLS)return t.maximumCellId>16777215}return!0},e.savePixelBuffer=n=>{if(t.pixBuffer[n]=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),!t.rawPixBuffer[n]){const e=(t.area[2]-t.area[0]+1)*(t.area[3]-t.area[1]+1)*4;t.rawPixBuffer[n]=new Uint8Array(e),t.rawPixBuffer[n].set(t.pixBuffer[n])}if(n===Xm.ACTOR_PASS){if(t.captureZValues){const e=t._openGLRenderWindow.getRenderPasses();if("function"==typeof e[0].requestDepth&&"function"==typeof e[0].getFramebuffer){const n=e[0].getFramebuffer();n.saveCurrentBindingsAndBuffers(),n.bind(),t.zBuffer=t._openGLRenderWindow.getPixelData(t.area[0],t.area[1],t.area[2],t.area[3]),n.restorePreviousBindingsAndBuffers()}}e.buildPropHitList(t.rawPixBuffer[n])}},e.buildPropHitList=e=>{let n=0;for(let r=0;r<=t.area[3]-t.area[1];r++)for(let o=0;o<=t.area[2]-t.area[0];o++){let i=Zm(o,r,e,t.area);i>0&&(i--,i in t.hitProps||(t.hitProps[i]=!0,t.propPixels[i]=[]),t.propPixels[i].push(4*n)),++n}},e.renderProp=n=>{t.currentPass===Xm.ACTOR_PASS&&(e.setPropColorValueFromInt(t.props.length+1),t.props.push(n))},e.renderCompositeIndex=n=>{t.currentPass===Xm.COMPOSITE_INDEX_PASS&&e.setPropColorValueFromInt(n+1)},e.renderAttributeId=e=>{e<0||(t.maxAttributeId=e>t.maxAttributeId?e:t.maxAttributeId)},e.passTypeToString=e=>gt.enumToString(Xm,e),e.isPropHit=e=>Boolean(t.hitProps[e]),e.setPropColorValueFromInt=e=>{t.propColorValue[0]=e%256/255,t.propColorValue[1]=Math.floor(e/256)%256/255,t.propColorValue[2]=Math.floor(e/65536)%256/255},e.getPixelInformation=(n,r,o)=>{const i=r<0?0:r;if(0===i){if(o[0]=n[0],o[1]=n[1],n[0]t.area[2]||n[1]t.area[3])return null;const e=[n[0]-t.area[0],n[1]-t.area[1]],r=Zm(e[0],e[1],t.pixBuffer[Xm.ACTOR_PASS],t.area);if(r<=0||r-1>=t.props.length)return null;const i={valid:!0};i.propID=r-1,i.prop=t.props[i.propID];let a=Zm(e[0],e[1],t.pixBuffer[Xm.COMPOSITE_INDEX_PASS],t.area);if((a<0||a>16777215)&&(a=0),i.compositeID=a-1,t.captureZValues){const r=4*(e[1]*(t.area[2]-t.area[0]+1)+e[0]);i.zValue=(256*t.zBuffer[r]+t.zBuffer[r+1])/65535,i.displayPosition=n}if(t.pixBuffer[Xm.ID_LOW24]&&0===Qm(e[0],e[1],t.pixBuffer[Xm.ID_LOW24],t.area))return i;const s=Zm(e[0],e[1],t.pixBuffer[Xm.ID_LOW24],t.area),l=Zm(e[0],e[1],t.pixBuffer[Xm.ID_HIGH24],t.area);return i.attributeID=eg(s,l),i}const a=[n[0],n[1]],s=[0,0];let l=e.getPixelInformation(n,0,o);if(l&&l.valid)return l;for(let t=1;tt?a[1]-t:0;n<=a[1]+t;++n){if(s[1]=n,a[0]>=t&&(s[0]=a[0]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[0]=a[0]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}for(let n=a[0]>=t?a[0]-(t-1):0;n<=a[0]+(t-1);++n){if(s[0]=n,a[1]>=t&&(s[1]=a[1]-t,l=e.getPixelInformation(s,0,o),l&&l.valid))return l;if(s[1]=a[1]+t,l=e.getPixelInformation(s,0,o),l&&l.valid)return l}}return o[0]=n[0],o[1]=n[1],null},e.generateSelection=(n,r,o,i)=>{const a=Math.floor(n),s=Math.floor(r),l=Math.floor(o),u=Math.floor(i),c=new Map,d=[0,0];for(let n=s;n<=u;n++)for(let r=a;r<=l;r++){const o=[r,n],i=e.getPixelInformation(o,0,d);if(i&&i.valid){const e=Jm(i);if(c.has(e)){const n=c.get(e);n.pixelCount++,t.captureZValues&&i.zValuet.rawPixBuffer[e],e.getPixelBuffer=e=>t.pixBuffer[e],e.attach=(e,n)=>{t._openGLRenderWindow=e,t._renderer=n};const n=e.setArea;e.setArea=function(){return!!n(...arguments)&&(t.area[0]=Math.floor(t.area[0]),t.area[1]=Math.floor(t.area[1]),t.area[2]=Math.floor(t.area[2]),t.area[3]=Math.floor(t.area[3]),!0)}}const ig={area:void 0,currentPass:-1,propColorValue:null,props:null,maximumPointId:0,maximumCellId:0,idOffset:1};function ag(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,ig,n),Gm.extend(e,t,n),t.propColorValue=[0,0,0],t.props=[],t.area||(t.area=[0,0,0,0]),gt.setGetArray(e,t,["area"],4),gt.setGet(e,t,["_renderer","currentPass","_openGLRenderWindow","maximumPointId","maximumCellId"]),gt.setGetArray(e,t,["propColorValue"],3),gt.moveToProtected(e,t,["renderer","openGLRenderWindow"]),gt.event(e,t,"event"),og(e,t)}var sg={newInstance:gt.newInstance(ag,"vtkOpenGLHardwareSelector"),extend:ag,...cm},lg=n(594),ug=n.n(lg);const cg=["lastShaderProgramBound","context","_openGLRenderWindow"];function dg(e,t){t.classHierarchy.push("vtkShaderCache"),e.replaceShaderValues=(e,n,r)=>{let o=n;r.length>0&&(o=Ca.substitute(o,"VSOut","GSOut").result);const i=t._openGLRenderWindow.getWebgl2();let a="\n",s="#version 100\n";i?s="#version 300 es\n#define attribute in\n#define textureCube texture\n#define texture2D texture\n#define textureCubeLod textureLod\n#define texture2DLod textureLod\n":(t.context.getExtension("OES_standard_derivatives"),t.context.getExtension("EXT_frag_depth")&&(a="#extension GL_EXT_frag_depth : enable\n"),t.context.getExtension("EXT_shader_texture_lod")&&(a+="#extension GL_EXT_shader_texture_lod : enable\n#define textureCubeLod textureCubeLodEXT\n#define texture2DLod texture2DLodEXT")),o=Ca.substitute(o,"//VTK::System::Dec",[`${s}\n`,i?"":"#extension GL_OES_standard_derivatives : enable\n",a,"#ifdef GL_FRAGMENT_PRECISION_HIGH","precision highp float;","precision highp int;","#else","precision mediump float;","precision mediump int;","#endif"]).result;let l=Ca.substitute(e,"//VTK::System::Dec",[`${s}\n`,"#ifdef GL_FRAGMENT_PRECISION_HIGH","precision highp float;","precision highp int;","#else","precision mediump float;","precision mediump int;","#endif"]).result;if(i){l=Ca.substitute(l,"varying","out").result,o=Ca.substitute(o,"varying","in").result;let e="",t=0;for(;o.includes(`gl_FragData[${t}]`);)o=Ca.substitute(o,`gl_FragData\\[${t}\\]`,`fragOutput${t}`).result,e+=`layout(location = ${t}) out vec4 fragOutput${t};\n`,t++;o=Ca.substitute(o,"//VTK::Output::Dec",e).result}return{VSSource:l,FSSource:o,GSSource:Ca.substitute(r,"//VTK::System::Dec",s).result}},e.readyShaderProgramArray=(t,n,r)=>{const o=e.replaceShaderValues(t,n,r),i=e.getShaderProgram(o.VSSource,o.FSSource,o.GSSource);return e.readyShaderProgram(i)},e.readyShaderProgram=t=>t&&(t.getCompiled()||t.compileShader())&&e.bindShaderProgram(t)?t:null,e.getShaderProgram=(e,n,r)=>{const o=`${e}${n}${r}`,i=ug().hash(o);if(!(i in t.shaderPrograms)){const o=Ca.newInstance();return o.setContext(t.context),o.getVertexShader().setSource(e),o.getFragmentShader().setSource(n),r&&o.getGeometryShader().setSource(r),o.setMd5Hash(i),t.shaderPrograms[i]=o,o}return t.shaderPrograms[i]},e.releaseGraphicsResources=n=>{e.releaseCurrentShaderProgram(),Object.keys(t.shaderPrograms).map((e=>t.shaderPrograms[e])).forEach((e=>e.cleanup())),t.shaderPrograms={}},e.releaseCurrentShaderProgram=()=>{t.lastShaderProgramBound&&(t.lastShaderProgramBound.cleanup(),t.lastShaderProgramBound=null)},e.bindShaderProgram=e=>(t.lastShaderProgramBound===e||(t.lastShaderProgramBound&&t.lastShaderProgramBound.release(),e.bind(),t.lastShaderProgramBound=e),1)}const pg={lastShaderProgramBound:null,shaderPrograms:null,context:null};function fg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,pg,n),t.shaderPrograms={},gt.obj(e,t),gt.setGet(e,t,cg),gt.moveToProtected(e,t,["openGLRenderWindow"]),dg(e,t)}var hg={newInstance:gt.newInstance(fg,"vtkShaderCache"),extend:fg};const{vtkErrorMacro:mg}=gt;function gg(e,t){t.classHierarchy.push("vtkOpenGLTextureUnitManager"),e.deleteTable=()=>{for(let e=0;e{if(t.context!==n){if(0!==t.context&&e.deleteTable(),t.context=n,t.context){t.numberOfTextureUnits=n.getParameter(n.MAX_TEXTURE_IMAGE_UNITS);for(let e=0;e{for(let n=0;ne.isAllocated(n)?-1:(t.textureUnits[n]=!0,n),e.isAllocated=e=>t.textureUnits[e],e.free=e=>{t.textureUnits[e]=!1},e.freeAll=()=>{for(let e=0;e2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,vg,n),gt.obj(e,t),t.textureUnits=[],gt.get(e,t,["numberOfTextureUnits"]),gt.setGet(e,t,["context"]),gg(e,t)}var bg={newInstance:gt.newInstance(yg,"vtkOpenGLTextureUnitManager"),extend:yg};function xg(e,t){t.classHierarchy.push("vtkRenderWindowViewNode"),e.getViewNodeFactory=()=>null,e.getAspectRatio=()=>t.size[0]/t.size[1],e.getAspectRatioForRenderer=e=>{const n=e.getViewportByReference();return t.size[0]*(n[2]-n[0])/((n[3]-n[1])*t.size[1])},e.isInViewport=(t,n,r)=>{const o=r.getViewportByReference(),i=e.getFramebufferSize();return o[0]*i[0]<=t&&o[2]*i[0]>=t&&o[1]*i[1]<=n&&o[3]*i[1]>=n},e.getViewportSize=t=>{const 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i=o.getViewportByReference();i=e.normalizedDisplayToDisplay(i[0],i[1],0);const a=e.normalizedDisplayToDisplay(t,n,r);return[a[0]-i[0]-.5,a[1]-i[1]-.5,r]},e.viewportToNormalizedViewport=(t,n,r,o)=>{const i=e.getViewportSize(o);return i&&0!==i[0]&&0!==i[1]?[t/(i[0]-1),n/(i[1]-1),r]:[t,n,r]},e.normalizedViewportToViewport=(t,n,r,o)=>{const i=e.getViewportSize(o);return[t*(i[0]-1),n*(i[1]-1),r]},e.displayToLocalDisplay=(t,n,r)=>[t,e.getFramebufferSize()[1]-n-1,r],e.viewportToNormalizedDisplay=(t,n,r,o)=>{let i=o.getViewportByReference();i=e.normalizedDisplayToDisplay(i[0],i[1],0);const a=t+i[0]+.5,s=n+i[1]+.5;return e.displayToNormalizedDisplay(a,s,r)},e.getComputedDevicePixelRatio=()=>t.size[0]/e.getContainerSize()[0],e.getContainerSize=()=>{gt.vtkErrorMacro("not implemented")},e.getPixelData=(e,t,n,r)=>{gt.vtkErrorMacro("not implemented")},e.createSelector=()=>{gt.vtkErrorMacro("not implemented")}}const _g={size:void 0,selector:void 0};function Tg(e,t){let n=arguments.length>2&&void 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t=e.getContainer().getElementsByTagName("canvas");for(let e=0;e{t.cullFaceEnabled&&(t.context.disable(t.context.CULL_FACE),t.cullFaceEnabled=!1)},e.enableCullFace=()=>{t.cullFaceEnabled||(t.context.enable(t.context.CULL_FACE),t.cullFaceEnabled=!0)},e.setViewStream=n=>t.viewStream!==n&&(t.subscription&&(t.subscription.unsubscribe(),t.subscription=null),t.viewStream=n,t.viewStream&&(t.renderable.getRenderers()[0].getBackgroundByReference()[3]=0,e.setUseBackgroundImage(!0),t.subscription=t.viewStream.onImageReady((t=>e.setBackgroundImage(t.image))),t.viewStream.setSize(t.size[0],t.size[1]),t.viewStream.invalidateCache(),t.viewStream.render(),e.modified()),!0),e.createSelector=()=>{const t=sg.newInstance();return t.setOpenGLRenderWindow(e),t},e.delete=gt.chain((function(){t.canvas.removeEventListener("webglcontextlost",Ng),t.canvas.removeEventListener("webglcontextrestored",e.restoreContext)}),e.delete,e.setViewStream,Og),e.setActiveFramebuffer=e=>{t.activeFramebuffer=e};const i=e.setSize;e.setSize=(t,n)=>{const r=i(t,n);return r&&e.invokeWindowResizeEvent({width:t,height:n}),r},e.getGraphicsResourceForObject=e=>e?{vtkObj:t._graphicsResources.get(e),hash:t._graphicsResourceHash.get(e)}:null,e.setGraphicsResourceForObject=(e,n,r)=>{e&&(t._graphicsResources.set(e,n),t._graphicsResourceHash.set(e,r))},e.getGraphicsMemoryInfo=()=>{let e=0;return t._graphicsResources.forEach(((t,n)=>{e+=t.getAllocatedGPUMemoryInBytes()})),e},e.releaseGraphicsResourcesForObject=n=>!!n&&(t._graphicsResources.get(n)?.releaseGraphicsResources(e),t._graphicsResources.delete(n)&&t._graphicsResourceHash.delete(n)),e.releaseGraphicsResources=()=>{null!==t.shaderCache&&t.shaderCache.releaseGraphicsResources(e),t._graphicsResources.forEach(((t,n)=>{t.releaseGraphicsResources(e)})),t._graphicsResources.clear(),t._graphicsResourceHash.clear(),null!==t.textureUnitManager&&t.textureUnitManager.freeAll(),t.renderable.getRenderersByReference().forEach((t=>{e.getViewNodeFor(t)?.releaseGraphicsResources()}))}}const Rg={cullFaceEnabled:!1,shaderCache:null,initialized:!1,context:null,canvas:null,cursorVisibility:!0,cursor:"pointer",textureUnitManager:null,textureResourceIds:null,containerSize:null,renderPasses:[],notifyStartCaptureImage:!1,webgl2:!1,defaultToWebgl2:!0,activeFramebuffer:null,imageFormat:"image/png",useOffScreen:!1,useBackgroundImage:!1};const Fg=gt.newInstance((function(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Rg,n),Sg.extend(e,t,n),t.canvas=document.createElement("canvas"),t.canvas.style.width="100%",Pg(),t.selector||(t.selector=sg.newInstance(),t.selector.setOpenGLRenderWindow(e)),t.bgImage=new Image,t.bgImage.style.position="absolute",t.bgImage.style.left="0",t.bgImage.style.top="0",t.bgImage.style.width="100%",t.bgImage.style.height="100%",t.bgImage.style.zIndex="-1",t._textureResourceIds=new Map,t._graphicsResources=new Map,t._graphicsResourceHash=new Map,t._glInformation=null,t.myFactory=Nt.newInstance(),t.myFactory.registerOverride("vtkRenderWindow",Fg),t.shaderCache=hg.newInstance(),t.shaderCache.setOpenGLRenderWindow(e),t.renderPasses[0]=km.newInstance(),gt.event(e,t,"imageReady"),gt.get(e,t,["shaderCache","textureUnitManager","webgl2","useBackgroundImage","activeFramebuffer"]),gt.setGet(e,t,["initialized","context","canvas","renderPasses","notifyStartCaptureImage","defaultToWebgl2","cursor","useOffScreen"]),gt.setGetArray(e,t,["size"],2),gt.event(e,t,"windowResizeEvent"),Mg(e,t)}),"vtkOpenGLRenderWindow");If("WebGL",Fg);const kg=["setBindGroup","setIndexBuffer","setVertexBuffer","draw","drawIndexed"];function Lg(e,t){t.classHierarchy.push("vtkWebGPURenderEncoder"),e.begin=e=>{t.drawCallbacks=[],t.handle=e.beginRenderPass(t.description),t.label&&t.handle.pushDebugGroup(t.label)},e.end=()=>{for(let n=0;n{if(t.boundPipeline===e)return;t.handle.setPipeline(e.getHandle());const n=e.getPipelineDescription();if(t.colorTextureViews.length!==n.fragment.targets.length)console.log(`mismatched attachment counts on pipeline ${n.fragment.targets.length} while encoder has ${t.colorTextureViews.length}`),console.trace();else for(let e=0;e{t.replaceShaderCodeFunction(e)},e.setColorTextureView=(e,n)=>{t.colorTextureViews[e]!==n&&(t.colorTextureViews[e]=n)},e.activateBindGroup=e=>{const n=t.boundPipeline.getDevice(),r=t.boundPipeline.getBindGroupLayoutCount(e.getLabel());t.handle.setBindGroup(r,e.getBindGroup(n));const o=n.getBindGroupLayoutDescription(e.getBindGroupLayout(n)),i=n.getBindGroupLayoutDescription(t.boundPipeline.getBindGroupLayout(r));o!==i&&(console.log(`renderEncoder ${t.pipelineHash} mismatched bind group layouts bind group has\n${o}\n versus pipeline\n${i}\n`),console.trace())},e.attachTextureViews=()=>{for(let e=0;e{for(let r=0;r2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Bg,n),je(e,t),t.description={colorAttachments:[{view:void 0,loadOp:"load",storeOp:"store"}],depthStencilAttachment:{view:void 0,depthLoadOp:"clear",depthClearValue:0,depthStoreOp:"store"}},t.replaceShaderCodeFunction=e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = computedColor;"]).result,t.setCode(n)},t.pipelineSettings={primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater-equal",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}},t.colorTextureViews=[],He(e,t,["boundPipeline","colorTextureViews"]),$e(e,t,["depthTextureView","description","handle","label","pipelineHash","pipelineSettings","replaceShaderCodeFunction"]),Lg(e,t)}var Ug={newInstance:rt(Vg,"vtkWebGPURenderEncoder"),extend:Vg};function Gg(e,t){t.classHierarchy.push("vtkWebGPUTextureView"),e.create=(e,n)=>{t.texture=e,t.options=n,t.options.dimension=t.options.dimension||"2d",t.options.label=t.label,t.textureHandle=e.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupLayoutEntry.texture.viewDimension=t.options.dimension;const r=Hl(t.texture.getFormat());t.bindGroupLayoutEntry.texture.sampleType=r.sampleType},e.createFromTextureHandle=(e,n)=>{t.texture=null,t.options=n,t.options.dimension=t.options.dimension||"2d",t.options.label=t.label,t.textureHandle=e,t.handle=t.textureHandle.createView(t.options),t.bindGroupLayoutEntry.texture.viewDimension=t.options.dimension;const r=Hl(n.format);t.bindGroupLayoutEntry.texture.sampleType=r.sampleType,t.bindGroupTime.modified()},e.getBindGroupEntry=()=>({resource:e.getHandle()}),e.getShaderCode=(e,n)=>{let r="f32";"sint"===t.bindGroupLayoutEntry.texture.sampleType?r="i32":"uint"===t.bindGroupLayoutEntry.texture.sampleType&&(r="u32");let o=`@binding(${e}) @group(${n}) var ${t.label}: texture_${t.options.dimension}<${r}>;`;return"depth"===t.bindGroupLayoutEntry.texture.sampleType&&(o=`@binding(${e}) @group(${n}) var ${t.label}: texture_depth_${t.options.dimension};`),o},e.addSampler=(n,r)=>{const o=vc.newInstance({label:`${t.label}Sampler`});o.create(n,r),e.setSampler(o)},e.getBindGroupTime=()=>(t.texture&&t.texture.getHandle()!==t.textureHandle&&(t.textureHandle=t.texture.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupTime.modified()),t.bindGroupTime),e.getHandle=()=>(t.texture&&t.texture.getHandle()!==t.textureHandle&&(t.textureHandle=t.texture.getHandle(),t.handle=t.textureHandle.createView(t.options),t.bindGroupTime.modified()),t.handle)}const zg={texture:null,handle:null,sampler:null,label:null};function jg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,zg,n),gt.obj(e,t),t.bindGroupLayoutEntry={visibility:GPUShaderStage.VERTEX|GPUShaderStage.FRAGMENT,texture:{sampleType:"float",viewDimension:"2d"}},t.bindGroupTime={},gt.obj(t.bindGroupTime,{mtime:0}),gt.get(e,t,["bindGroupTime","texture"]),gt.setGet(e,t,["bindGroupLayoutEntry","label","sampler"]),Gg(e,t)}var Wg={newInstance:gt.newInstance(jg),extend:jg};function Hg(e,t){t.classHierarchy.push("vtkTexture"),e.imageLoaded=()=>{t.image.removeEventListener("load",e.imageLoaded),t.imageLoaded=!0,e.modified()},e.setJsImageData=n=>{t.jsImageData!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.image=null,t.canvas=null),t.jsImageData=n,t.imageLoaded=!0,e.modified())},e.setCanvas=n=>{t.canvas!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.image=null,t.jsImageData=null),t.canvas=n,e.modified())},e.setImage=n=>{t.image!==n&&(null!==n&&(e.setInputData(null),e.setInputConnection(null),t.canvas=null,t.jsImageData=null),t.image=n,t.imageLoaded=!1,n.complete?e.imageLoaded():n.addEventListener("load",e.imageLoaded),e.modified())},e.getDimensionality=()=>{let n=0,r=0,o=1;if(e.getInputData()){const t=e.getInputData();n=t.getDimensions()[0],r=t.getDimensions()[1],o=t.getDimensions()[2]}return t.jsImageData&&(n=t.jsImageData.width,r=t.jsImageData.height),t.canvas&&(n=t.canvas.width,r=t.canvas.height),t.image&&(n=t.image.width,r=t.image.height),(n>1)+(r>1)+(o>1)},e.getInputAsJsImageData=()=>{if(!t.imageLoaded||e.getInputData())return null;if(t.jsImageData)return t.jsImageData();if(t.canvas)return t.canvas.getContext("2d").getImageData(0,0,t.canvas.width,t.canvas.height);if(t.image){const e=document.createElement("canvas");e.width=t.image.width,e.height=t.image.height;const n=e.getContext("2d");return n.translate(0,e.height),n.scale(1,-1),n.drawImage(t.image,0,0,t.image.width,t.image.height),n.getImageData(0,0,e.width,e.height)}return null}}const Xg={image:null,canvas:null,jsImageData:null,imageLoaded:!1,repeat:!1,interpolate:!1,edgeClamp:!1,mipLevel:0,resizable:!1};function Kg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Xg,n),gt.obj(e,t),gt.algo(e,t,6,0),gt.get(e,t,["canvas","image","jsImageData","imageLoaded","resizable"]),gt.setGet(e,t,["repeat","edgeClamp","interpolate","mipLevel"]),Hg(e,t)}const qg={generateMipmaps:(e,t,n,r)=>{const o=[1,2,1],i=e.length/(t*n);let a=t,s=n,l=e;const u=[l];for(let e=0;ei&&(c+=t),d<-i&&(c-=t),r[c]?u+=r[c]*o[l]:s-=o[l],a+=1}l[e+n]=u/s}r=[...l];for(let e=0;e{t.device=e,t.width=n.width,t.height=n.height,t.depth=n.depth?n.depth:1;const r=1===t.depth?"2d":"3d";t.format=n.format?n.format:"rgba8unorm",t.mipLevel=n.mipLevel?n.mipLevel:0,t.usage=n.usage?n.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST,t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label,dimension:r,mipLevelCount:t.mipLevel+1})},e.assignFromHandle=(e,n,r)=>{t.device=e,t.handle=n,t.width=r.width,t.height=r.height,t.depth=r.depth?r.depth:1,t.format=r.format?r.format:"rgba8unorm",t.usage=r.usage?r.usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST},e.writeImageData=n=>{let r=[];if(n.canvas)return t.device.getHandle().queue.copyExternalImageToTexture({source:n.canvas,flipY:n.flip},{texture:t.handle,premultipliedAlpha:!0},[t.width,t.height,t.depth]),void(t.ready=!0);n.jsImageData&&!n.nativeArray&&(n.width=n.jsImageData.width,n.height=n.jsImageData.height,n.depth=1,n.format="rgba8unorm",n.flip=!0,n.nativeArray=n.jsImageData.data);const o=Hl(t.format);let i=t.width*o.stride;const a=(e,t,n)=>{const r=e.length/(t*n)*e.BYTES_PER_ELEMENT,i=2===o.elementSize&&"float"===o.sampleType;if(i||r%256){const a=e,s=r/a.BYTES_PER_ELEMENT,l=o.elementSize,u=256*Math.floor((s*l+255)/256),c=u/l,d=gt.newTypedArray(i?"Uint16Array":a.constructor.name,c*t*n);for(let e=0;e{const e=Hl(t.format);return 2===e.elementSize&&"float"===e.sampleType?1:255},e.getNumberOfComponents=()=>Hl(t.format).numComponents,e.getDimensionality=()=>{let e=0;return t.width>1&&e++,t.height>1&&e++,t.depth>1&&e++,e},e.resizeToMatch=e=>{e.getWidth()===t.width&&e.getHeight()===t.height&&e.getDepth()===t.depth||(t.width=e.getWidth(),t.height=e.getHeight(),t.depth=e.getDepth(),t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label}))},e.resize=function(e,n){let r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:1;e===t.width&&n===t.height&&r===t.depth||(t.width=e,t.height=n,t.depth=r,t.handle=t.device.getHandle().createTexture({size:[t.width,t.height,t.depth],format:t.format,usage:t.usage,label:t.label}))},e.createView=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};r.dimension||(r.dimension=1===t.depth?"2d":"3d");const o=Wg.newInstance({label:n});return o.create(e,r),o}}const Qg={device:null,handle:null,buffer:null,ready:!1,label:null};function Zg(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Qg,n),gt.obj(e,t),gt.get(e,t,["handle","ready","width","height","depth","format","usage"]),gt.setGet(e,t,["device","label"]),Jg(e,t)}var ev={newInstance:gt.newInstance(Zg),extend:Zg};function tv(e,t){t.classHierarchy.push("vtkWebGPUOpaquePass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.renderEncoder)t.colorTexture.resize(r.getCanvas().width,r.getCanvas().height),t.depthTexture.resize(r.getCanvas().width,r.getCanvas().height);else{e.createRenderEncoder(),t.colorTexture=ev.newInstance({label:"opaquePassColor"}),t.colorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const n=t.colorTexture.createView("opaquePassColorTexture");t.renderEncoder.setColorTextureView(0,n),t.depthFormat="depth32float",t.depthTexture=ev.newInstance({label:"opaquePassDepth"}),t.depthTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:t.depthFormat,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC});const i=t.depthTexture.createView("opaquePassDepthTexture");t.renderEncoder.setDepthTextureView(i)}t.renderEncoder.attachTextureViews(),e.setCurrentOperation("opaquePass"),n.setRenderEncoder(t.renderEncoder),n.traverse(e)},e.getColorTextureView=()=>t.renderEncoder.getColorTextureViews()[0],e.getDepthTextureView=()=>t.renderEncoder.getDepthTextureView(),e.createRenderEncoder=()=>{t.renderEncoder=Ug.newInstance({label:"OpaquePass"}),t.renderEncoder.setPipelineHash("op")}}const nv={renderEncoder:null,colorTexture:null,depthTexture:null};function rv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,nv,n),Cm.extend(e,t,n),gt.get(e,t,["colorTexture","depthTexture"]),tv(e,t)}var ov={newInstance:gt.newInstance(rv,"vtkWebGPUOpaquePass"),extend:rv};function iv(e,t){t.classHierarchy.push("vtkWebGPUOrderIndependentTranslucentPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r;const o=r.getDevice();if(t.translucentRenderEncoder)t.translucentColorTexture.resizeToMatch(t.colorTextureView.getTexture()),t.translucentAccumulateTexture.resizeToMatch(t.colorTextureView.getTexture());else{e.createRenderEncoder(),e.createFinalEncoder(),t.translucentColorTexture=ev.newInstance({label:"translucentPassColor"}),t.translucentColorTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"rgba16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const n=t.translucentColorTexture.createView("oitpColorTexture");t.translucentRenderEncoder.setColorTextureView(0,n),t.translucentAccumulateTexture=ev.newInstance({label:"translucentPassAccumulate"}),t.translucentAccumulateTexture.create(o,{width:r.getCanvas().width,height:r.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const i=t.translucentAccumulateTexture.createView("oitpAccumTexture");t.translucentRenderEncoder.setColorTextureView(1,i),t.fullScreenQuad=du.newInstance(),t.fullScreenQuad.setDevice(r.getDevice()),t.fullScreenQuad.setPipelineHash("oitpfsq"),t.fullScreenQuad.setTextureViews(t.translucentRenderEncoder.getColorTextureViews()),t.fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var tcoord: vec2 = vec2(i32(input.fragPos.x), i32(input.fragPos.y));\n var reveal: f32 = textureLoad(oitpAccumTexture, tcoord, 0).r;\n if (reveal == 1.0) { discard; }\n var tcolor: vec4 = textureLoad(oitpColorTexture, tcoord, 0);\n var total: f32 = max(tcolor.a, 0.01);\n var computedColor: vec4 = vec4(tcolor.r/total, tcolor.g/total, tcolor.b/total, 1.0 - reveal);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n")}t.translucentRenderEncoder.setDepthTextureView(t.depthTextureView),t.translucentRenderEncoder.attachTextureViews(),e.setCurrentOperation("translucentPass"),n.setRenderEncoder(t.translucentRenderEncoder),n.traverse(e),e.finalPass(r,n)},e.finalPass=(e,n)=>{t.translucentFinalEncoder.setColorTextureView(0,t.colorTextureView),t.translucentFinalEncoder.attachTextureViews(),t.translucentFinalEncoder.begin(e.getCommandEncoder()),n.scissorAndViewport(t.translucentFinalEncoder),t.fullScreenQuad.prepareAndDraw(t.translucentFinalEncoder),t.translucentFinalEncoder.end()},e.getTextures=()=>[t.translucentColorTexture,t.translucentAccumulateTexture],e.createRenderEncoder=()=>{t.translucentRenderEncoder=Ug.newInstance({label:"translucentRender"});const e=t.translucentRenderEncoder.getDescription();e.colorAttachments=[{view:void 0,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:void 0,clearValue:[1,0,0,0],loadOp:"clear",storeOp:"store"}],e.depthStencilAttachment={view:void 0,depthLoadOp:"load",depthStoreOp:"store"},t.translucentRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor"),t.addOutput("f32","outAccum"),t.addBuiltinInput("vec4","@builtin(position) fragPos");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["var w: f32 = computedColor.a * pow(0.1 + input.fragPos.z, 2.0);","output.outColor = vec4(computedColor.rgb*w, w);","output.outAccum = computedColor.a;"]).result,t.setCode(n)})),t.translucentRenderEncoder.setPipelineHash("oitpr"),t.translucentRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!1,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one"},alpha:{srcfactor:"one",dstFactor:"one"}}},{format:"r16float",blend:{color:{srcFactor:"zero",dstFactor:"one-minus-src"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createFinalEncoder=()=>{t.translucentFinalEncoder=Ug.newInstance({label:"translucentFinal"}),t.translucentFinalEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t.translucentFinalEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor"),t.addBuiltinInput("vec4","@builtin(position) fragPos");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t.translucentFinalEncoder.setPipelineHash("oitpf"),t.translucentFinalEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})}}const av={colorTextureView:null,depthTextureView:null};function sv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,av,n),Cm.extend(e,t,n),gt.setGet(e,t,["colorTextureView","depthTextureView"]),iv(e,t)}var lv={newInstance:gt.newInstance(sv,"vtkWebGPUOrderIndependentTranslucentPass"),extend:sv};const uv="\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::Volume::TraverseDec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\nfn getTextureValue(vTex: texture_3d, tpos: vec4) -> f32\n{\n // todo multicomponent support\n return textureSampleLevel(vTex, clampSampler, tpos.xyz, 0.0).r;\n}\n\nfn getGradient(vTex: texture_3d, tpos: vec4, vNum: i32, scalar: f32) -> vec4\n{\n var result: vec4;\n\n var tstep: vec4 = volumeSSBO.values[vNum].tstep;\n result.x = getTextureValue(vTex, tpos + vec4(tstep.x, 0.0, 0.0, 1.0)) - scalar;\n result.y = getTextureValue(vTex, tpos + vec4(0.0, tstep.y, 0.0, 1.0)) - scalar;\n result.z = getTextureValue(vTex, tpos + vec4(0.0, 0.0, tstep.z, 1.0)) - scalar;\n result.w = 0.0;\n\n // divide by spacing as that is our delta\n result = result / volumeSSBO.values[vNum].spacing;\n // now we have a gradient in unit tcoords\n\n var grad: f32 = length(result.xyz);\n if (grad > 0.0)\n {\n // rotate to View Coords, needed for lighting and shading\n var nMat: mat4x4 = rendererUBO.SCVCMatrix * volumeSSBO.values[vNum].planeNormals;\n result = nMat * result;\n result = result / length(result);\n }\n\n // store gradient magnitude in .w\n result.w = grad;\n\n return result;\n}\n\nfn processVolume(vTex: texture_3d, vNum: i32, cNum: i32, posSC: vec4, tfunRows: f32) -> vec4\n{\n var outColor: vec4 = vec4(0.0, 0.0, 0.0, 0.0);\n\n // convert to tcoords and reject if outside the volume\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*posSC;\n if (tpos.x < 0.0 || tpos.y < 0.0 || tpos.z < 0.0 ||\n tpos.x > 1.0 || tpos.y > 1.0 || tpos.z > 1.0) { return outColor; }\n\n var scalar: f32 = getTextureValue(vTex, tpos);\n\n var coord: vec2 =\n vec2(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n (0.5 + 2.0 * f32(vNum)) / tfunRows);\n var color: vec4 = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n\n var gofactor: f32 = 1.0;\n var normal: vec4 = vec4(0.0,0.0,0.0,0.0);\n if (componentSSBO.values[cNum].gomin < 1.0 || volumeSSBO.values[vNum].shade[0] > 0.0)\n {\n normal = getGradient(vTex, tpos, vNum, scalar);\n if (componentSSBO.values[cNum].gomin < 1.0)\n {\n gofactor = clamp(normal.a*componentSSBO.values[cNum].goScale + componentSSBO.values[cNum].goShift,\n componentSSBO.values[cNum].gomin, componentSSBO.values[cNum].gomax);\n }\n }\n\n coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n\n if (volumeSSBO.values[vNum].shade[0] > 0.0)\n {\n color = color*abs(normal.z);\n }\n\n outColor = vec4(color.rgb, gofactor * opacity);\n\n return outColor;\n}\n\n// adjust the start and end point of a raycast such that it intersects the unit cube.\n// This function is used to take a raycast starting point and step vector\n// and numSteps and return the startijng and ending steps for intersecting the\n// unit cube. Recall for a 3D texture, the unit cube is the range of texture coordsinates\n// that have valid values. So this funtion can be used to take a ray in texture coordinates\n// and bound it to intersecting the texture.\n//\nfn adjustBounds(tpos: vec4, tstep: vec4, numSteps: f32) -> vec2\n{\n var result: vec2 = vec2(0.0, numSteps);\n var tpos2: vec4 = tpos + tstep*numSteps;\n\n // move tpos to the start of the volume\n var adjust: f32 =\n min(\n max(tpos.x/tstep.x, (tpos.x - 1.0)/tstep.x),\n min(\n max((tpos.y - 1.0)/tstep.y, tpos.y/tstep.y),\n max((tpos.z - 1.0)/tstep.z, tpos.z/tstep.z)));\n if (adjust < 0.0)\n {\n result.x = result.x - adjust;\n }\n\n // adjust length to the end\n adjust =\n max(\n min(tpos2.x/tstep.x, (tpos2.x - 1.0)/tstep.x),\n max(\n min((tpos2.y - 1.0)/tstep.y, tpos2.y/tstep.y),\n min((tpos2.z - 1.0)/tstep.z, tpos2.z/tstep.z)));\n if (adjust > 0.0)\n {\n result.y = result.y - adjust;\n }\n\n return result;\n}\n\nfn getSimpleColor(scalar: f32, vNum: i32, cNum: i32) -> vec4\n{\n // how many rows (tfuns) do we have in our tfunTexture\n var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n var coord: vec2 =\n vec2(scalar * componentSSBO.values[cNum].cScale + componentSSBO.values[cNum].cShift,\n (0.5 + 2.0 * f32(vNum)) / tfunRows);\n var color: vec4 = textureSampleLevel(tfunTexture, clampSampler, coord, 0.0);\n coord.x = (scalar * componentSSBO.values[cNum].oScale + componentSSBO.values[cNum].oShift);\n var opacity: f32 = textureSampleLevel(ofunTexture, clampSampler, coord, 0.0).r;\n return vec4(color.rgb, opacity);\n}\n\nfn traverseMax(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var maxVal: f32 = -1.0e37;\n loop\n {\n var scalar: f32 = getTextureValue(vTex, tpos);\n if (scalar > maxVal)\n {\n maxVal = scalar;\n }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(maxVal, vNum, cNum);\n}\n\nfn traverseMin(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var minVal: f32 = 1.0e37;\n loop\n {\n var scalar: f32 = getTextureValue(vTex, tpos);\n if (scalar < minVal)\n {\n minVal = scalar;\n }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(minVal, vNum, cNum);\n}\n\nfn traverseAverage(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n let ipRange: vec4 = volumeSSBO.values[vNum].ipScalarRange;\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var avgVal: f32 = 0.0;\n var sampleCount: f32 = 0.0;\n loop\n {\n var sample: f32 = getTextureValue(vTex, tpos);\n // right now leave filtering off until WebGL changes get merged\n // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n // {\n avgVal = avgVal + sample;\n sampleCount = sampleCount + 1.0;\n // }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n if (sampleCount <= 0.0)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(avgVal/sampleCount, vNum, cNum);\n}\n\nfn traverseAdditive(vTex: texture_3d, vNum: i32, cNum: i32, rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4)\n{\n // convert to tcoords and reject if outside the volume\n var numSteps: f32 = rayLengthSC/mapperUBO.SampleDistance;\n var tpos: vec4 = volumeSSBO.values[vNum].SCTCMatrix*minPosSC;\n var tpos2: vec4 = volumeSSBO.values[vNum].SCTCMatrix*(minPosSC + rayStepSC);\n var tstep: vec4 = tpos2 - tpos;\n\n var rayBounds: vec2 = adjustBounds(tpos, tstep, numSteps);\n\n // did we hit anything\n if (rayBounds.x >= rayBounds.y)\n {\n traverseVals[vNum] = vec4(0.0,0.0,0.0,0.0);\n return;\n }\n\n let ipRange: vec4 = volumeSSBO.values[vNum].ipScalarRange;\n tpos = tpos + tstep*rayBounds.x;\n var curDist: f32 = rayBounds.x;\n var sumVal: f32 = 0.0;\n loop\n {\n var sample: f32 = getTextureValue(vTex, tpos);\n // right now leave filtering off until WebGL changes get merged\n // if (ipRange.z == 0.0 || sample >= ipRange.x && sample <= ipRange.y)\n // {\n sumVal = sumVal + sample;\n // }\n\n // increment position\n curDist = curDist + 1.0;\n tpos = tpos + tstep;\n\n // check if we have reached a terminating condition\n if (curDist > rayBounds.y) { break; }\n }\n\n // process to get the color and opacity\n traverseVals[vNum] = getSimpleColor(sumVal, vNum, cNum);\n}\n\nfn composite(rayLengthSC: f32, minPosSC: vec4, rayStepSC: vec4) -> vec4\n{\n // initial ray position is at the beginning\n var rayPosSC: vec4 = minPosSC;\n\n // how many rows (tfuns) do we have in our tfunTexture\n var tfunRows: f32 = f32(textureDimensions(tfunTexture).y);\n\n var curDist: f32 = 0.0;\n var computedColor: vec4 = vec4(0.0, 0.0, 0.0, 0.0);\n var sampleColor: vec4;\n//VTK::Volume::TraverseCalls\n\n loop\n {\n // for each volume, sample and accumulate color\n//VTK::Volume::CompositeCalls\n\n // increment position\n curDist = curDist + mapperUBO.SampleDistance;\n rayPosSC = rayPosSC + rayStepSC;\n\n // check if we have reached a terminating condition\n if (curDist > rayLengthSC) { break; }\n if (computedColor.a > 0.98) { break; }\n }\n return computedColor;\n}\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var rayMax: f32 = textureSampleLevel(maxTexture, clampSampler, input.tcoordVS, 0.0).r;\n var rayMin: f32 = textureSampleLevel(minTexture, clampSampler, input.tcoordVS, 0.0).r;\n\n // discard empty rays\n if (rayMax <= rayMin) { discard; }\n else\n {\n // compute start and end ray positions in view coordinates\n var minPosSC: vec4 = rendererUBO.PCSCMatrix*vec4(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMax, 1.0);\n minPosSC = minPosSC * (1.0 / minPosSC.w);\n var maxPosSC: vec4 = rendererUBO.PCSCMatrix*vec4(2.0 * input.tcoordVS.x - 1.0, 1.0 - 2.0 * input.tcoordVS.y, rayMin, 1.0);\n maxPosSC = maxPosSC * (1.0 / maxPosSC.w);\n\n var rayLengthSC: f32 = distance(minPosSC.xyz, maxPosSC.xyz);\n var rayStepSC: vec4 = (maxPosSC - minPosSC)*(mapperUBO.SampleDistance/rayLengthSC);\n rayStepSC.w = 0.0;\n\n var computedColor: vec4;\n\n//VTK::Volume::Loop\n\n//VTK::RenderEncoder::Impl\n }\n\n return output;\n}\n",cv=new Float64Array(16),dv=new Float64Array(16);function pv(e,t){t.classHierarchy.push("vtkWebGPUVolumePassFSQ"),e.replaceShaderPosition=(e,t,n)=>{const r=t.getShaderDescription("vertex");r.addBuiltinOutput("vec4","@builtin(position) Position");let o=r.getCode();o=Fl.substitute(o,"//VTK::Position::Impl",["output.tcoordVS = vec2(vertexBC.x * 0.5 + 0.5, 1.0 - vertexBC.y * 0.5 - 0.5);","output.Position = vec4(vertexBC, 1.0);"]).result,r.setCode(o),t.getShaderDescription("fragment").addBuiltinInput("vec4","@builtin(position) fragPos")},t.shaderReplacements.set("replaceShaderPosition",e.replaceShaderPosition),e.replaceShaderVolume=(e,n,r)=>{const o=n.getShaderDescription("fragment");let i=o.getCode();const a=[],s=[];for(let e=0;e(\n sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n (1.0 - computedColor.a)*sampleColor.a + computedColor.a);")):(s.push(` sampleColor = traverseVals[${e}];`),s.push(" computedColor = vec4(\n sampleColor.a * sampleColor.rgb * (1.0 - computedColor.a) + computedColor.rgb,\n (1.0 - computedColor.a)*sampleColor.a + computedColor.a);"));i=Fl.substitute(i,"//VTK::Volume::CompositeCalls",a).result,i=Fl.substitute(i,"//VTK::Volume::TraverseCalls",s).result,i=Fl.substitute(i,"//VTK::Volume::TraverseDec",[`var traverseVals: array,${t.volumes.length}>;`]).result;let l=!1;for(let e=0;e{let r=e.getMTime();for(let e=0;e{let r=Math.max(e.getMTime(),t.WebGPURenderer.getStabilizedTime());for(let e=0;e"),t.SSBO.addEntry("planeNormals","mat4x4"),t.SSBO.addEntry("shade","vec4"),t.SSBO.addEntry("tstep","vec4"),t.SSBO.addEntry("spacing","vec4"),t.SSBO.addEntry("ipScalarRange","vec4"),t.SSBO.setAllInstancesFromArray("SCTCMatrix",i),t.SSBO.setAllInstancesFromArray("planeNormals",a),t.SSBO.setAllInstancesFromArray("shade",l),t.SSBO.setAllInstancesFromArray("tstep",s),t.SSBO.setAllInstancesFromArray("spacing",u),t.SSBO.setAllInstancesFromArray("ipScalarRange",c),t.SSBO.send(n),t.componentSSBO.clearData(),t.componentSSBO.setNumberOfInstances(t.numRows);const d=new Float64Array(t.numRows),p=new Float64Array(t.numRows),g=new Float64Array(t.numRows),v=new Float64Array(t.numRows),_=new Float64Array(t.numRows),T=new Float64Array(t.numRows),S=new Float64Array(t.numRows),w=new Float64Array(t.numRows);let C=0;for(let e=0;e{n();let r=t.volumes[0].getRenderable().getMapper().getSampleDistance();for(let e=0;e{t.pipelineHash="volfsq";for(let e=0;e{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r{const e=r();return e.push(t.componentSSBO),e.push(t.clampSampler),e}}const fv={volumes:null,rowLength:1024,lastVolumeLength:0};function hv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,fv,n),du.extend(e,t,n),t.fragmentShaderTemplate=uv,t.UBO=ac.newInstance({label:"mapperUBO"}),t.UBO.addEntry("SampleDistance","f32"),t.SSBO=ec.newInstance({label:"volumeSSBO"}),t.componentSSBO=ec.newInstance({label:"componentSSBO"}),t.lutBuildTime={},gt.obj(t.lutBuildTime,{mtime:0}),pv(e,t)}var mv={newInstance:gt.newInstance(hv,"vtkWebGPUVolumePassFSQ"),extend:hv};const{Representation:gv}=wu,{BufferUsage:vv,PrimitiveTypes:yv}=qu,bv=[[0,4,6],[0,6,2],[1,3,7],[1,7,5],[0,5,4],[0,1,5],[2,6,7],[2,7,3],[0,3,1],[0,2,3],[4,5,7],[4,7,6]],xv="\n//VTK::Renderer::Dec\n\n//VTK::Select::Dec\n\n//VTK::VolumePass::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output : fragmentOutput;\n\n //VTK::Select::Impl\n\n //VTK::TCoord::Impl\n\n //VTK::VolumePass::Impl\n\n // use the maximum (closest) of the current value and the zbuffer\n // the blend func will then take the min to find the farthest stop value\n var stopval: f32 = max(input.fragPos.z, textureLoad(opaquePassDepthTexture, vec2(i32(input.fragPos.x), i32(input.fragPos.y)), 0));\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n";function _v(e,t){t.classHierarchy.push("vtkWebGPUVolumePass"),e.initialize=n=>{t._clearEncoder||e.createClearEncoder(n),t._mergeEncoder||e.createMergeEncoder(n),t._copyEncoder||e.createCopyEncoder(n),t._depthRangeEncoder||e.createDepthRangeEncoder(n),t.fullScreenQuad||(t.fullScreenQuad=mv.newInstance(),t.fullScreenQuad.setDevice(n.getDevice()),t.fullScreenQuad.setTextureViews([...t._depthRangeEncoder.getColorTextureViews()])),t._volumeCopyQuad||(t._volumeCopyQuad=du.newInstance(),t._volumeCopyQuad.setPipelineHash("volpassfsq"),t._volumeCopyQuad.setDevice(n.getDevice()),t._volumeCopyQuad.setFragmentShaderTemplate("\n//VTK::Renderer::Dec\n\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = textureSample(volumePassColorTexture,\n volumePassColorTextureSampler, mapperUBO.tscale*input.tcoordVS);\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n"),t._copyUBO=ac.newInstance({label:"mapperUBO"}),t._copyUBO.addEntry("tscale","vec2"),t._volumeCopyQuad.setUBO(t._copyUBO),t._volumeCopyQuad.setTextureViews([t._colorTextureView]))},e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=r,e.initialize(r),e.computeTiming(r),e.renderDepthBounds(n,r),t._firstGroup=!0;const o=r.getDevice(),i=o.getHandle().limits.maxSampledTexturesPerShaderStage-4;if(t.volumes.length>i){const o=n.getRenderable().getActiveCamera().getPosition(),a=[];for(let e=0;ea[t]-a[e]));let l=[],u=s.length%i;for(let o=0;o=u&&(e.rayCastPass(r,n,l),l=[],u=i,t._firstGroup=!1)}else e.rayCastPass(r,n,t.volumes);if(t._volumeCopyQuad.setWebGPURenderer(n),t._useSmallViewport){const e=t._colorTextureView.getTexture().getWidth(),n=t._colorTextureView.getTexture().getHeight();t._copyUBO.setArray("tscale",[t._smallViewportWidth/e,t._smallViewportHeight/n])}else t._copyUBO.setArray("tscale",[1,1]);t._copyUBO.sendIfNeeded(o),t._copyEncoder.setColorTextureView(0,t.colorTextureView),t._copyEncoder.attachTextureViews(),t._copyEncoder.begin(r.getCommandEncoder()),n.scissorAndViewport(t._copyEncoder),t._volumeCopyQuad.prepareAndDraw(t._copyEncoder),t._copyEncoder.end()},e.delete=gt.chain((()=>{t._animationRateSubscription&&(t._animationRateSubscription.unsubscribe(),t._animationRateSubscription=null)}),e.delete),e.computeTiming=e=>{const n=e.getRenderable().getInteractor();if(null==t._lastScale){const e=t.volumes[0].getRenderable().getMapper();t._lastScale=e.getInitialInteractionScale()||1}t._useSmallViewport=!1,n.isAnimating()&&t._lastScale>1.5&&(t._useSmallViewport=!0),t._colorTexture.resize(e.getCanvas().width,e.getCanvas().height),t._animationRateSubscription||(t._animationRateSubscription=n.onAnimationFrameRateUpdate((()=>{const e=t.volumes[0].getRenderable().getMapper();if(e.getAutoAdjustSampleDistances()){const e=n.getRecentAnimationFrameRate(),r=t._lastScale*n.getDesiredUpdateRate()/e;t._lastScale=r,t._lastScale>400&&(t._lastScale=400)}else t._lastScale=e.getImageSampleDistance()*e.getImageSampleDistance();t._lastScale<1.5&&(t._lastScale=1.5)})))},e.rayCastPass=(e,n,r)=>{const o=t._firstGroup?t._clearEncoder:t._mergeEncoder;o.attachTextureViews(),o.begin(e.getCommandEncoder());let i=t._colorTextureView.getTexture().getWidth(),a=t._colorTextureView.getTexture().getHeight();if(t._useSmallViewport){const n=e.getCanvas(),r=1/Math.sqrt(t._lastScale);t._smallViewportWidth=Math.ceil(r*n.width),t._smallViewportHeight=Math.ceil(r*n.height),i=t._smallViewportWidth,a=t._smallViewportHeight}o.getHandle().setViewport(0,0,i,a,0,1),o.getHandle().setScissorRect(0,0,i,a),t.fullScreenQuad.setWebGPURenderer(n),t.fullScreenQuad.setVolumes(r),t.fullScreenQuad.prepareAndDraw(o),o.end()},e.renderDepthBounds=(n,r)=>{e.updateDepthPolyData(n);const o=t._boundsPoly,i=o.getPoints(),a=o.getPolys();let s={hash:`vp${a.getMTime()}`,usage:vv.Index,cells:a,numberOfPoints:i.getNumberOfPoints(),primitiveType:yv.Triangles,representation:gv.SURFACE};const l=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().setIndexBuffer(l),s={usage:vv.PointArray,format:"float32x4",hash:`vp${i.getMTime()}${a.getMTime()}`,dataArray:i,indexBuffer:l,packExtra:!0};const u=r.getDevice().getBufferManager().getBuffer(s);t._mapper.getVertexInput().addBuffer(u,["vertexBC"]),t._mapper.setNumberOfVertices(u.getSizeInBytes()/u.getStrideInBytes()),e.drawDepthRange(n,r)},e.updateDepthPolyData=e=>{let n=!1;for(let e=0;e{t._depthRangeTexture.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeTexture2.resizeToMatch(t.colorTextureView.getTexture()),t._depthRangeEncoder.attachTextureViews(),e.setCurrentOperation("volumeDepthRangePass"),n.setRenderEncoder(t._depthRangeEncoder),n.volumeDepthRangePass(!0),t._mapper.setWebGPURenderer(n),t._mapper.prepareToDraw(t._depthRangeEncoder),t._mapper.registerDrawCallback(t._depthRangeEncoder),n.volumeDepthRangePass(!1)},e.createDepthRangeEncoder=e=>{const n=e.getDevice();t._depthRangeEncoder=Ug.newInstance({label:"VolumePass DepthRange"}),t._depthRangeEncoder.setPipelineHash("volr"),t._depthRangeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor1"),t.addOutput("vec4","outColor2");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor1 = vec4(input.fragPos.z, 0.0, 0.0, 0.0);","output.outColor2 = vec4(stopval, 0.0, 0.0, 0.0);"]).result,t.setCode(n)})),t._depthRangeEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"},{view:null,clearValue:[1,1,1,1],loadOp:"clear",storeOp:"store"}]}),t._depthRangeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"max"},alpha:{srcfactor:"one",dstFactor:"one",operation:"max"}}},{format:"r16float",blend:{color:{srcFactor:"one",dstFactor:"one",operation:"min"},alpha:{srcfactor:"one",dstFactor:"one",operation:"min"}}}]}}),t._depthRangeTexture=ev.newInstance({label:"volumePassMaxDepth"}),t._depthRangeTexture.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const r=t._depthRangeTexture.createView("maxTexture");t._depthRangeEncoder.setColorTextureView(0,r),t._depthRangeTexture2=ev.newInstance({label:"volumePassDepthMin"}),t._depthRangeTexture2.create(n,{width:e.getCanvas().width,height:e.getCanvas().height,format:"r16float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING});const o=t._depthRangeTexture2.createView("minTexture");t._depthRangeEncoder.setColorTextureView(1,o),t._mapper.setDevice(e.getDevice()),t._mapper.setTextureViews([t.depthTextureView])},e.createClearEncoder=e=>{t._colorTexture=ev.newInstance({label:"volumePassColor"}),t._colorTexture.create(e.getDevice(),{width:e.getCanvas().width,height:e.getCanvas().height,format:"bgra8unorm",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_SRC}),t._colorTextureView=t._colorTexture.createView("volumePassColorTexture"),t._colorTextureView.addSampler(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._clearEncoder=Ug.newInstance({label:"VolumePass Clear"}),t._clearEncoder.setColorTextureView(0,t._colorTextureView),t._clearEncoder.setDescription({colorAttachments:[{view:null,clearValue:[0,0,0,0],loadOp:"clear",storeOp:"store"}]}),t._clearEncoder.setPipelineHash("volpf"),t._clearEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createCopyEncoder=e=>{t._copyEncoder=Ug.newInstance({label:"volumePassCopy"}),t._copyEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._copyEncoder.setPipelineHash("volcopypf"),t._copyEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"rgba16float",blend:{color:{srcFactor:"one",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.createMergeEncoder=e=>{t._mergeEncoder=Ug.newInstance({label:"volumePassMerge"}),t._mergeEncoder.setColorTextureView(0,t._colorTextureView),t._mergeEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._mergeEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(computedColor.rgb, computedColor.a);"]).result,t.setCode(n)})),t._mergeEncoder.setPipelineHash("volpf"),t._mergeEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:"bgra8unorm",blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}})},e.setVolumes=n=>{if(!t.volumes||t.volumes.length!==n.length)return t.volumes=[...n],void e.modified();for(let r=0;r2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Tv,n),Cm.extend(e,t,n),t._mapper=su.newInstance(),t._mapper.setFragmentShaderTemplate(xv),t._mapper.getShaderReplacements().set("replaceShaderVolumePass",((e,t,n)=>{t.getShaderDescription("fragment").addBuiltinInput("vec4","@builtin(position) fragPos")})),t._boundsPoly=ji.newInstance(),t._lastMTimes=[],gt.setGet(e,t,["colorTextureView","depthTextureView"]),_v(e,t)}var wv={newInstance:gt.newInstance(Sv,"vtkWebGPUVolumePass"),extend:Sv};function Cv(e,t){t.classHierarchy.push("vtkForwardPass"),e.traverse=function(n){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(t.deleted)return;t._currentParent=r,e.setCurrentOperation("buildPass"),n.traverse(e),t.opaquePass||(t.opaquePass=ov.newInstance());const o=n.getRenderable().getNumberOfLayers(),i=n.getChildren();for(let r=0;r0&&(t.translucentPass||(t.translucentPass=lv.newInstance()),t.translucentPass.setColorTextureView(t.opaquePass.getColorTextureView()),t.translucentPass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.translucentPass.traverse(a,n)),t.volumes.length>0&&(t.volumePass||(t.volumePass=wv.newInstance()),t.volumePass.setColorTextureView(t.opaquePass.getColorTextureView()),t.volumePass.setDepthTextureView(t.opaquePass.getDepthTextureView()),t.volumePass.setVolumes(t.volumes),t.volumePass.traverse(a,n)),e.finalPass(n,a))}},e.finalPass=(n,r)=>{t._finalBlitEncoder||e.createFinalBlitEncoder(n),t._finalBlitOutputTextureView.createFromTextureHandle(n.getCurrentTexture(),{depth:1,format:n.getPresentationFormat()}),t._finalBlitEncoder.attachTextureViews(),t._finalBlitEncoder.begin(n.getCommandEncoder()),r.scissorAndViewport(t._finalBlitEncoder),t._fullScreenQuad.prepareAndDraw(t._finalBlitEncoder),t._finalBlitEncoder.end()},e.createFinalBlitEncoder=e=>{t._finalBlitEncoder=Ug.newInstance({label:"forwardPassBlit"}),t._finalBlitEncoder.setDescription({colorAttachments:[{view:null,loadOp:"load",storeOp:"store"}]}),t._finalBlitEncoder.setPipelineHash("fpf"),t._finalBlitEncoder.setPipelineSettings({primitive:{cullMode:"none"},fragment:{targets:[{format:e.getPresentationFormat(),blend:{color:{srcFactor:"src-alpha",dstFactor:"one-minus-src-alpha"},alpha:{srcfactor:"one",dstFactor:"one-minus-src-alpha"}}}]}}),t._fsqSampler=vc.newInstance({label:"finalPassSampler"}),t._fsqSampler.create(e.getDevice(),{minFilter:"linear",magFilter:"linear"}),t._fullScreenQuad=du.newInstance(),t._fullScreenQuad.setDevice(e.getDevice()),t._fullScreenQuad.setPipelineHash("fpfsq"),t._fullScreenQuad.setTextureViews([t.opaquePass.getColorTextureView()]),t._fullScreenQuad.setAdditionalBindables([t._fsqSampler]),t._fullScreenQuad.setFragmentShaderTemplate("\n//VTK::Mapper::Dec\n\n//VTK::TCoord::Dec\n\n//VTK::RenderEncoder::Dec\n\n//VTK::IOStructs::Dec\n\n@fragment\nfn main(\n//VTK::IOStructs::Input\n)\n//VTK::IOStructs::Output\n{\n var output: fragmentOutput;\n\n var computedColor: vec4 = clamp(textureSampleLevel(opaquePassColorTexture, finalPassSampler, input.tcoordVS, 0),vec4(0.0),vec4(1.0));\n\n //VTK::RenderEncoder::Impl\n return output;\n}\n"),t._finalBlitOutputTextureView=Wg.newInstance(),t._finalBlitEncoder.setColorTextureView(0,t._finalBlitOutputTextureView)},e.incrementOpaqueActorCount=()=>t.opaqueActorCount++,e.incrementTranslucentActorCount=()=>t.translucentActorCount++,e.addVolume=e=>{t.volumes.push(e)}}const Av={opaqueActorCount:0,translucentActorCount:0,volumes:null,opaqueRenderEncoder:null,translucentPass:null,volumePass:null};function Ev(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Av,n),Cm.extend(e,t,n),gt.setGet(e,t,["opaquePass","translucentPass","volumePass"]),Cv(e,t)}var Dv={newInstance:gt.newInstance(Ev,"vtkForwardPass"),extend:Ev};const{VtkDataTypes:Iv}=Wr;function Pv(e,t){function n(e){if(e.imageData){e.dataArray=e.imageData.getPointData().getScalars(),e.time=e.dataArray.getMTime(),e.nativeArray=e.dataArray.getData();const t=e.imageData.getDimensions();switch(e.width=t[0],e.height=t[1],e.depth=t[2],e.dataArray.getNumberOfComponents()){case 1:e.format="r";break;case 2:e.format="rg";break;default:e.format="rgba"}switch(e.dataArray.getDataType()){case Iv.UNSIGNED_CHAR:e.format+="8unorm";break;case Iv.FLOAT:case Iv.UNSIGNED_INT:case Iv.INT:case Iv.DOUBLE:case Iv.UNSIGNED_SHORT:case Iv.SHORT:default:e.format+="16float"}}e.image&&(e.width=e.image.width,e.height=e.image.height,e.depth=1,e.format="rgba8unorm"),e.jsImageData&&(e.width=e.jsImageData.width,e.height=e.jsImageData.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.nativeArray=e.jsImageData.data),e.canvas&&(e.width=e.canvas.width,e.height=e.canvas.height,e.depth=1,e.format="rgba8unorm",e.flip=!0,e.usage=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.RENDER_ATTACHMENT)}function r(e){const n=ev.newInstance();return n.create(t.device,{width:e.width,height:e.height,depth:e.depth,format:e.format,usage:e.usage,mipLevel:e.mipLevel}),(e.nativeArray||e.image||e.canvas)&&n.writeImageData(e),n}t.classHierarchy.push("vtkWebGPUTextureManager"),e.getTexture=e=>e.hash?t.device.getCachedObject(e.hash,r,e):r(e),e.getTextureForImageData=e=>{const r={time:e.getMTime()};return r.imageData=e,n(r),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)},e.getTextureForVTKTexture=e=>{const r={time:e.getMTime()};return e.getInputData()?r.imageData=e.getInputData():e.getImage()?r.image=e.getImage():e.getJsImageData()?r.jsImageData=e.getJsImageData():e.getCanvas()&&(r.canvas=e.getCanvas()),n(r),r.mipLevel=e.getMipLevel(),r.hash=r.time+r.format+r.mipLevel,t.device.getTextureManager().getTexture(r)}}const Ov={handle:null,device:null};function Nv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Ov,n),gt.obj(e,t),gt.setGet(e,t,["device"]),Pv(e,t)}var Mv={newInstance:gt.newInstance(Nv),extend:Nv};class Rv extends Map{constructor(){super(),this.registry=new FinalizationRegistry((e=>{const t=super.get(e);t&&t.deref&&void 0===t.deref()&&super.delete(e)}))}getValue(e){const t=super.get(e);if(t){const n=t.deref();if(void 0!==n)return n;super.delete(e)}}setValue(e,t){let n;return t&&"object"==typeof t&&(n=new WeakRef(t),this.registry.register(t,e),super.set(e,n)),n}}function Fv(e,t){t.classHierarchy.push("vtkWebGPUDevice"),e.initialize=e=>{t.handle=e},e.createCommandEncoder=()=>t.handle.createCommandEncoder(),e.submitCommandEncoder=e=>{t.handle.queue.submit([e.finish()])},e.getShaderModule=e=>t.shaderCache.getShaderModule(e),e.getBindGroupLayout=e=>{if(!e.entries)return null;for(let t=0;t{for(let n=0;ne in t.pipelines?t.pipelines[e]:null,e.createPipeline=(n,r)=>{r.initialize(e,n),t.pipelines[n]=r},e.onSubmittedWorkDone=()=>t.handle.queue.onSubmittedWorkDone(),e.hasCachedObject=e=>t.objectCache.getValue(e),e.getCachedObject=function(e,n){if(!e)return vtkErrorMacro("attempt to cache an object without a hash"),null;const r=t.objectCache.getValue(e);if(r)return r;for(var o=arguments.length,i=new Array(o>2?o-2:0),a=2;a2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,kv,n),je(e,t),$e(e,t,["handle"]),He(e,t,["bufferManager","shaderCache","textureManager"]),t.objectCache=new Rv,t.shaderCache=Fl.newInstance(),t.shaderCache.setDevice(e),t.bindGroupLayouts=[],t.bufferManager=qu.newInstance(),t.bufferManager.setDevice(e),t.textureManager=Mv.newInstance(),t.textureManager.setDevice(e),t.pipelines={},Fv(e,t)}var Bv={newInstance:rt(Lv,"vtkWebGPUDevice"),extend:Lv};function Vv(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelectionPass"),e.traverse=(n,r)=>{if(t.deleted)return;t._currentParent=null,e.setCurrentOperation("buildPass"),n.traverse(e);const o=n.getDevice();if(t.selectionRenderEncoder)t.colorTexture.resize(n.getCanvas().width,n.getCanvas().height),t.depthTexture.resizeToMatch(t.colorTexture);else{e.createRenderEncoder(),t.colorTexture=ev.newInstance({label:"hardwareSelectorColor"}),t.colorTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"rgba32uint",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const r=t.colorTexture.createView("hardwareSelectColorTexture");t.selectionRenderEncoder.setColorTextureView(0,r),t.depthTexture=ev.newInstance({label:"hardwareSelectorDepth"}),t.depthTexture.create(o,{width:n.getCanvas().width,height:n.getCanvas().height,format:"depth32float",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC});const i=t.depthTexture.createView("hardwareSelectDepthTexture");t.selectionRenderEncoder.setDepthTextureView(i)}t.selectionRenderEncoder.attachTextureViews(),r.setRenderEncoder(t.selectionRenderEncoder),e.setCurrentOperation("cameraPass"),r.traverse(e),e.setCurrentOperation("opaquePass"),r.traverse(e)},e.createRenderEncoder=()=>{t.selectionRenderEncoder=Ug.newInstance({label:"HardwareSelectionPass"}),t.selectionRenderEncoder.setPipelineHash("sel"),t.selectionRenderEncoder.setReplaceShaderCodeFunction((e=>{const t=e.getShaderDescription("fragment");t.addOutput("vec4","outColor");let n=t.getCode();n=Fl.substitute(n,"//VTK::RenderEncoder::Impl",["output.outColor = vec4(mapperUBO.PropID, compositeID, 0u, 0u);"]).result,t.setCode(n)})),t.selectionRenderEncoder.getDescription().colorAttachments[0].clearValue=[0,0,0,0],t.selectionRenderEncoder.setPipelineSettings({primitive:{cullMode:"none"},depthStencil:{depthWriteEnabled:!0,depthCompare:"greater",format:"depth32float"},fragment:{targets:[{format:"rgba32uint",blend:void 0}]}})}}const Uv={selectionRenderEncoder:null,colorTexture:null,depthTexture:null};function Gv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Uv,n),Cm.extend(e,t,n),gt.get(e,t,["colorTexture","depthTexture"]),Vv(e,t)}var zv={newInstance:gt.newInstance(Gv,"vtkWebGPUHardwareSelectionPass"),extend:Gv};const{SelectionContent:jv,SelectionField:Wv}=Hm,{FieldAssociations:Hv}=di,{vtkErrorMacro:Xv}=gt;function Kv(e){return`${e.propID} ${e.compositeID}`}function qv(e,t,n,r){const o=4*((n.height-t-1)*n.colorBufferWidth+e)+r;return n.colorValues[o]}function $v(e,t,n,r){const o=n<0?0:n;if(0===o){if(r[0]=t[0],r[1]=t[1],t[0]<0||t[0]>=e.width||t[1]<0||t[1]>=e.height)return null;const n=qv(t[0],t[1],e,0);if(n<=0)return null;const o={};o.propID=n;let i=qv(t[0],t[1],e,1);if((i<0||i>16777215)&&(i=0),o.compositeID=i,e.captureZValues){const n=(e.height-t[1]-1)*e.zbufferBufferWidth+t[0];o.zValue=e.depthValues[n],o.zValue=e.webGPURenderer.convertToOpenGLDepth(o.zValue),o.displayPosition=t}return o}const i=[t[0],t[1]],a=[0,0];let s=$v(e,t,0,r);if(s)return s;for(let t=1;tt?i[1]-t:0;n<=i[1]+t;++n){if(a[1]=n,i[0]>=t&&(a[0]=i[0]-t,s=$v(e,a,0,r),s))return s;if(a[0]=i[0]+t,s=$v(e,a,0,r),s)return s}for(let n=i[0]>=t?i[0]-(t-1):0;n<=i[0]+(t-1);++n){if(a[0]=n,i[1]>=t&&(a[1]=i[1]-t,s=$v(e,a,0,r),s))return s;if(a[1]=i[1]+t,s=$v(e,a,0,r),s)return s}}return r[0]=t[0],r[1]=t[1],null}function Yv(e,t){t.classHierarchy.push("vtkWebGPUHardwareSelector"),e.endSelection=()=>{t.WebGPURenderer.setSelector(null)},e.getSourceDataAsync=async e=>{if(!e||!t._WebGPURenderWindow)return Xv("Renderer and view must be set before calling Select."),!1;t._WebGPURenderWindow.getRenderable().preRender(),t._WebGPURenderWindow.getInitialized()||(t._WebGPURenderWindow.initialize(),await new Promise((e=>{t._WebGPURenderWindow.onInitialized(e)})));const n=t._WebGPURenderWindow.getViewNodeFor(e);if(!n)return!1;const r=n.getSuppressClear();n.setSuppressClear(!0),t._selectionPass.traverse(t._WebGPURenderWindow,n),n.setSuppressClear(r);const o=t._WebGPURenderWindow.getDevice(),i=t._selectionPass.getColorTexture(),a=t._selectionPass.getDepthTexture(),s={area:[0,0,i.getWidth()-1,i.getHeight()-1],captureZValues:t.captureZValues,fieldAssociation:t.fieldAssociation,renderer:e,webGPURenderer:n,webGPURenderWindow:t._WebGPURenderWindow,width:i.getWidth(),height:i.getHeight()};s.colorBufferWidth=16*Math.floor((s.width+15)/16),s.colorBufferSizeInBytes=s.colorBufferWidth*s.height*4*4;const l=vu.newInstance({label:"hardwareSelectColorBuffer"});l.setDevice(o),l.create(s.colorBufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST);const u=t._WebGPURenderWindow.getCommandEncoder();let c;u.copyTextureToBuffer({texture:i.getHandle()},{buffer:l.getHandle(),bytesPerRow:16*s.colorBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1}),t.captureZValues&&(s.zbufferBufferWidth=64*Math.floor((s.width+63)/64),c=vu.newInstance({label:"hardwareSelectDepthBuffer"}),c.setDevice(o),s.zbufferSizeInBytes=s.height*s.zbufferBufferWidth*4,c.create(s.zbufferSizeInBytes,GPUBufferUsage.MAP_READ|GPUBufferUsage.COPY_DST),u.copyTextureToBuffer({texture:a.getHandle(),aspect:"depth-only"},{buffer:c.getHandle(),bytesPerRow:4*s.zbufferBufferWidth,rowsPerImage:s.height},{width:s.width,height:s.height,depthOrArrayLayers:1})),o.submitCommandEncoder(u);const d=l.mapAsync(GPUMapMode.READ);if(t.captureZValues){const e=c.mapAsync(GPUMapMode.READ);await Promise.all([d,e]),s.depthValues=new Float32Array(c.getMappedRange().slice()),c.unmap()}else await d;return s.colorValues=new Uint32Array(l.getMappedRange().slice()),l.unmap(),s.generateSelection=(e,t,n,r)=>function(e,t,n,r,o){const i=Math.floor(t),a=Math.floor(n),s=Math.floor(r),l=Math.floor(o),u=new Map,c=[0,0];for(let t=a;t<=l;t++)for(let n=i;n<=s;n++){const r=$v(e,[n,t],0,c);if(r){const t=Kv(r);if(u.has(t)){const n=u.get(t);n.pixelCount++,e.captureZValues&&r.zValue{const a=Hm.newInstance();switch(a.setContentType(jv.INDICES),e){case Hv.FIELD_ASSOCIATION_CELLS:a.setFieldType(Wv.CELL);break;case Hv.FIELD_ASSOCIATION_POINTS:a.setFieldType(Wv.POINT);break;default:Xv("Unknown field association")}a.getProperties().propID=t.info.propID;const s=n.webGPURenderer.getPropFromID(t.info.propID);a.getProperties().prop=s.getRenderable(),a.getProperties().compositeID=t.info.compositeID,a.getProperties().pixelCount=t.pixelCount,n.captureZValues&&(a.getProperties().displayPosition=[t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue],a.getProperties().worldPosition=n.webGPURenderWindow.displayToWorld(t.info.displayPosition[0],t.info.displayPosition[1],t.info.zValue,n.renderer)),a.setSelectionList(t.attributeIDs),r[o]=a,o++})),r}(e.fieldAssociation,u,e)}(s,e,t,n,r),s}}const Jv={};function Qv(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Jv,n),Gm.extend(e,t,n),t._selectionPass=zv.newInstance(),gt.setGet(e,t,["_WebGPURenderWindow"]),gt.moveToProtected(e,t,["WebGPURenderWindow"]),Yv(e,t)}var Zv={newInstance:gt.newInstance(Qv,"vtkWebGPUHardwareSelector"),extend:Qv};const{vtkErrorMacro:ey}=gt,ty={position:"absolute",top:0,left:0,width:"100%",height:"100%"};function ny(e,t){t.classHierarchy.push("vtkWebGPURenderWindow"),e.getViewNodeFactory=()=>t.myFactory;const n=[0,0];e.onModified((function(){t.renderable&&(t.size[0]===n[0]&&t.size[1]===n[1]||(n[0]=t.size[0],n[1]=t.size[1],t.canvas.setAttribute("width",t.size[0]),t.canvas.setAttribute("height",t.size[1]),e.recreateSwapChain())),t.viewStream&&t.viewStream.setSize(t.size[0],t.size[1]),t.canvas.style.display=t.useOffScreen?"none":"block",t.el&&(t.el.style.cursor=t.cursorVisibility?t.cursor:"none"),t.containerSize=null})),e.recreateSwapChain=()=>{t.context&&(t.context.unconfigure(),t.presentationFormat=navigator.gpu.getPreferredCanvasFormat(t.adapter),t.context.configure({device:t.device.getHandle(),format:t.presentationFormat,alphaMode:"premultiplied",usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_DST,width:t.size[0],height:t.size[1]}),t._configured=!0)},e.getCurrentTexture=()=>t.context.getCurrentTexture(),e.buildPass=n=>{if(n){if(!t.renderable)return;e.prepareNodes(),e.addMissingNodes(t.renderable.getRenderersByReference()),e.removeUnusedNodes(),e.initialize()}else t.initialized&&(t._configured||e.recreateSwapChain(),t.commandEncoder=t.device.createCommandEncoder())},e.initialize=()=>{if(!t.initializing){if(t.initializing=!0,!navigator.gpu)return void ey("WebGPU is not enabled.");e.create3DContextAsync().then((()=>{t.initialized=!0,t.deleted||e.invokeInitialized()}))}},e.setContainer=n=>{t.el&&t.el!==n&&(t.canvas.parentNode!==t.el&&ey("Error: canvas parent node does not match container"),t.el.removeChild(t.canvas),t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)),t.el!==n&&(t.el=n,t.el&&(t.el.appendChild(t.canvas),t.useBackgroundImage&&t.el.appendChild(t.bgImage)),e.modified())},e.getContainer=()=>t.el,e.getContainerSize=()=>{if(!t.containerSize&&t.el){const{width:e,height:n}=t.el.getBoundingClientRect();t.containerSize=[e,n]}return t.containerSize||t.size},e.getFramebufferSize=()=>t.size,e.create3DContextAsync=async()=>{t.adapter=await navigator.gpu.requestAdapter({powerPreference:"high-performance"}),t.deleted||(t.device=Bv.newInstance(),t.device.initialize(await t.adapter.requestDevice()),t.deleted?t.device=null:t.context=t.canvas.getContext("webgpu"))},e.releaseGraphicsResources=()=>{const n=Cm.newInstance();n.setCurrentOperation("Release"),n.traverse(e,null),t.adapter=null,t.device=null,t.context=null,t.initialized=!1,t.initializing=!1},e.setBackgroundImage=e=>{t.bgImage.src=e.src},e.setUseBackgroundImage=e=>{t.useBackgroundImage=e,t.useBackgroundImage&&!t.el.contains(t.bgImage)?t.el.appendChild(t.bgImage):!t.useBackgroundImage&&t.el.contains(t.bgImage)&&t.el.removeChild(t.bgImage)},e.captureNextImage=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"image/png",{resetCamera:r=!1,size:o=null,scale:i=1}=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(t.deleted)return null;t.imageFormat=n;const a=t.notifyStartCaptureImage;return t.notifyStartCaptureImage=!0,t._screenshot={size:o||1!==i?o||t.size.map((e=>e*i)):null},new Promise(((n,o)=>{const i=e.onImageReady((o=>{if(null===t._screenshot.size)t.notifyStartCaptureImage=a,i.unsubscribe(),t._screenshot.placeHolder&&(t.size=t._screenshot.originalSize,e.modified(),t._screenshot.cameras&&t._screenshot.cameras.forEach((e=>{let{restoreParamsFn:t,arg:n}=e;return t(n)})),e.traverseAllPasses(),t.el.removeChild(t._screenshot.placeHolder),t._screenshot.placeHolder.remove(),t._screenshot=null),n(o);else{const n=document.createElement("img");if(n.style=ty,n.src=o,t._screenshot.placeHolder=t.el.appendChild(n),t.canvas.style.display="none",t._screenshot.originalSize=t.size,t.size=t._screenshot.size,t._screenshot.size=null,e.modified(),r){const e=!0!==r;t._screenshot.cameras=t.renderable.getRenderers().map((t=>{const n=t.getActiveCamera(),o=n.get("focalPoint","position","parallelScale");return{resetCameraArgs:e?{renderer:t}:void 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iy=bh(),ay={margin:"0",padding:"0",position:"absolute",top:"0",left:"0",width:"100%",height:"100%",overflow:"hidden"},sy={position:"absolute",left:"25px",top:"25px",backgroundColor:"white",borderRadius:"5px",listStyle:"none",padding:"5px 10px",margin:"0",display:"block",border:"solid 1px black",maxWidth:"calc(100% - 70px)",maxHeight:"calc(100% - 60px)",overflow:"auto"};function ly(e,t){Object.keys(t).forEach((n=>{e.style[n]=t[n]}))}function uy(e,t){t.classHierarchy.push("vtkFullScreenRenderWindow");const n=document.querySelector("body");t.rootContainer||(t.rootContainer=n),t.container||(t.container=document.createElement("div"),ly(t.container,t.containerStyle||ay),t.rootContainer.appendChild(t.container)),t.rootContainer===n&&(document.documentElement.style.height="100%",n.style.height="100%",n.style.padding="0",n.style.margin="0"),t.renderWindow=Rf.newInstance(),t.renderer=Ef.newInstance(),t.renderWindow.addRenderer(t.renderer),t.apiSpecificRenderWindow=t.renderWindow.newAPISpecificView(iy.viewAPI??t.defaultViewAPI),t.apiSpecificRenderWindow.setContainer(t.container),t.renderWindow.addView(t.apiSpecificRenderWindow),t.interactor=Qf.newInstance(),t.interactor.setInteractorStyle(gh.newInstance()),t.interactor.setView(t.apiSpecificRenderWindow),t.interactor.initialize(),t.interactor.bindEvents(t.container),e.setBackground=t.renderer.setBackground,e.removeController=()=>{const 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n=Math.min(Math.max(t.componentOffset,0),e-1),r=t.componentCount0?r:e-n},e.getNumberOfComponents=()=>t.interpolationInfo.numberOfComponents,e.interpolateIJK=(n,r)=>{e.interpolatePoint(t.interpolationInfo,n,r)},e.checkBoundsIJK=e=>!(e[0]t.structuredBounds[1]||e[1]t.structuredBounds[3]||e[2]t.structuredBounds[5]),e.computeSupportSize=null,e.isSeparable=null,e.precomputeWeightsForExtent=(e,t,n)=>{},e.FreePrecomputedWeights=e=>{},e.interpolatePoint=(e,t,n)=>{},e.interpolateRow=(e,t,n,r,o,i)=>{}}const Ly={outValue:0,tolerance:Number.EPSILON,componentOffset:0,componentCount:-1,borderMode:Fy.CLAMP,slidingWindow:!1,scalars:null,interpolationInfo:{...Dy},interpolationFunc:null,rowInterpolationFunc:null,structuredBounds:[0,-1,0,-1,0,-1],spacing:null,origin:null,extent:null};function By(e,t){let n=arguments.length>2&&void 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Cy.MIRROR:a=Ry(a,r[0],r[1]),s=Ry(s,r[2],r[3]),l=Ry(l,r[4],r[5]);break;default:a=Ny(a,r[0],r[1]),s=Ny(s,r[2],r[3]),l=Ny(l,r[4],r[5])}const u=a*o[0]+s*o[1]+l*o[2];for(let t=0;t{const r=e.extent,o=e.increments,i=e.numberOfComponents,a=Py(t[0]),s=Py(t[1]),l=Py(t[2]);let u=a.floored,c=s.floored,d=l.floored;const p=a.error,f=s.error,h=l.error;let m=u+(0!==p),g=c+(0!==f),v=d+(0!==h);switch(e.borderMode){case Cy.REPEAT:u=My(u,r[0],r[1]),c=My(c,r[2],r[3]),d=My(d,r[4],r[5]),m=My(m,r[0],r[1]),g=My(g,r[2],r[3]),v=My(v,r[4],r[5]);break;case Cy.MIRROR:u=Ry(u,r[0],r[1]),c=Ry(c,r[2],r[3]),d=Ry(d,r[4],r[5]),m=Ry(m,r[0],r[1]),g=Ry(g,r[2],r[3]),v=Ry(v,r[4],r[5]);break;default:u=Ny(u,r[0],r[1]),c=Ny(c,r[2],r[3]),d=Ny(d,r[4],r[5]),m=Ny(m,r[0],r[1]),g=Ny(g,r[2],r[3]),v=Ny(v,r[4],r[5])}const y=u*o[0],b=m*o[0],x=c*o[1],_=g*o[1],T=d*o[2],S=v*o[2],w=x+T,C=x+S,A=_+T,E=_+S,D=1-p,I=1-f,P=1-h,O=I*P,N=f*P,M=I*h,R=f*h,F=e.pointer;for(let e=0;e{switch(t.interpolationMode){case Ay.LINEAR:e.interpolateLinear(n,r,o);break;case Ay.CUBIC:console.log("CUBIC not implemented");break;default:e.interpolateNearest(n,r,o)}},e.interpolateRowNearest=(e,t,n,r,o,i)=>{const a=e.positions[0].subarray(t),s=e.positions[1].subarray(n),l=e.positions[2].subarray(r),u=e.pointer.subarray(s[0]+l[0]),c=e.numberOfComponents;for(let e=0;e{const a=e.kernelSize[0],s=e.kernelSize[1],l=e.kernelSize[2],u=t*a,c=n*s,d=r*l,p=e.weights[0].subarray(u),f=e.weights[1].subarray(c),h=e.weights[2].subarray(d),m=e.positions[0].subarray(u),g=e.positions[1].subarray(c),v=e.positions[2].subarray(d),y=e.pointer,b=e.numberOfComponents,x=g.subarray(v[0]);let _=x,T=x,S=x,w=1,C=0,A=1,E=0;2===s&&(T=g[1].subarray(v[0]),S=T,w=f[0],C=f[1]),2===l&&(_=g[0].subarray(v[1]),S=_,A=h[0],E=h[1]),s+l===4&&(S=g[1].subarray(v[1]));const D=w*A,I=w*E,P=C*A,O=C*E;if(1===a)if(0===C&&0===E)for(let e=i;e>0;--e)for(let t=0;t0;--e)for(let t=0;t0;--e)for(let t=0;t0;--t){const n=p[0+2*e],r=p[1+2*e],a=m[0+2*e],s=m[1+2*e];for(let e=0;e0;--t){const t=p[0+2*e],n=p[1+2*e],r=m[0+2*e],i=m[1+2*e];for(let e=0;e{switch(t.interpolationMode){case Ay.LINEAR:e.interpolateRowLinear(n,r,o,i,a,s);break;case Ay.CUBIC:console.log("CUBIC not implemented");break;default:e.interpolateRowNearest(n,r,o,i,a,s)}},e.vtkTricubicInterpWeights=e=>{const t=e-1,n=.5*e,r=3*e;return[-n*t*t,((r-2)*n-1)*t,-((r-4)*e-1)*n,e*n*t]},e.precomputeWeightsForExtent=(n,r,o)=>{const i={...Iy.newInstance(),...t.interpolationInfo};i.weightType="Float32Array";const a=i.interpolationMode;let s=!0;for(let l=0;l<3;++l){let u;for(u=0;u<3&&0===n[4*l+u];++u);o[2*l]=r[2*l],o[2*l+1]=r[2*l+1];const c=i.extent[2*u],d=i.extent[2*u+1],p=t.structuredBounds[2*u],f=t.structuredBounds[2*u+1];let h=1;h=a1)if(a===Ay.LINEAR)v[h*t+1-y]=_[1]*S,b[h*t-y]=1-g,b[h*t+1-y]=g;else if(a===Ay.CUBIC){const n=e.vtkTricubicInterpWeights(g);if(4===h)for(let e=0;e<4;e++)v[h*t+e-y]=_[e]*S,b[h*t+e-y]=n[e];else{const e=[0,0,0,0];for(let t=0;t<4;t++)e[_[t]-c]+=n[t];for(let n=0;n=p&&r<=f?0===x&&(x=1,o[2*l]=t):1===x&&(x=2,o[2*l+1]=t-1)}(0===x||o[2*l]>o[2*l+1])&&(s=!1)}if(!s)for(let e=0;e<3;e++)o[2*e]=r[2*e],o[2*e+1]=r[2*e]-1}}const Gy={interpolationMode:Ay.NEAREST};function zy(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Gy,n),Vy.extend(e,t,n),gt.setGet(e,t,["interpolationMode"]),Uy(e,t)}var jy={newInstance:gt.newInstance(zy,"vtkImageInterpolator"),extend:zy};function Wy(e,t){t.classHierarchy.push("vtkImagePointDataIterator"),e.initialize=(e,n,r,o)=>{const i=e.getExtent();let a=n;null==a&&(a=i);let s,l,u,c=!1;for(let e=0;e<6;e+=2)t.extent[e]=Math.max(a[e],i[e]),t.extent[e+1]=Math.min(a[e+1],i[e+1]),t.extent[e]>t.extent[e+1]&&(c=!0);if(t.rowIncrement=i[1]-i[0]+1,t.sliceIncrement=t.rowIncrement*(i[3]-i[2]+1),c){s=0,l=0,u=0,t.id=0,t.rowEndIncrement=0,t.sliceEndIncrement=0;for(let e=0;e<6;e+=2)t.extent[e]=i[e],t.extent[e+1]=i[e]-1}else s=t.extent[1]-t.extent[0]+1,l=t.extent[3]-t.extent[2]+1,u=t.extent[5]-t.extent[4]+1,t.id=t.extent[0]-i[0]+(t.extent[2]-i[2])*t.rowIncrement+(t.extent[4]-i[4])*t.sliceIncrement,t.rowEndIncrement=t.rowIncrement-s,t.sliceEndIncrement=t.rowEndIncrement+t.sliceIncrement-t.rowIncrement*l;if(t.spanEnd=t.id+s,t.rowEnd=t.id+s,t.sliceEnd=t.id+(t.rowIncrement*l-t.rowEndIncrement),t.end=t.id+(t.sliceIncrement*u-t.sliceEndIncrement),t.index[0]=t.extent[0],t.index[1]=t.extent[2],t.index[2]=t.extent[4],t.startY=t.index[1],r){t.hasStencil=!0,t.inStencil=!1,t.spanIndex=0;const e=r.getExtent();if(t.spanSliceIncrement=0,t.spanSliceEndIncrement=0,e[3]>=e[2]&&e[5]>=e[4]){t.spanSliceIncrement=e[3]-e[2]+1;const n=t.extent[2]-e[2];n>=0&&(t.spanSliceEndIncrement+=n);const r=e[3]-t.extent[3];r>=0&&(t.spanSliceEndIncrement+=r)}let n=0;const o=t.extent[2]-e[2];o<0?(t.extent[2]=e[2],n-=1):n+=o,e[3]<=t.extent[3]&&(t.extent[3]=e[3]);const i=t.extent[4]-e[4];i<0?(t.extent[4]=e[4],o>=0&&(n-=1+t.spanSliceEndIncrement)):n+=i*t.spanSliceIncrement,e[5]<=t.extent[5]&&(t.extent[5]=e[5]),t.extent[2]<=t.extent[3]&&t.extent[4]<=t.extent[5]?(t.spanCountPointer=r.extentListLengths.subarray(n),t.spanListPointer=r.extentLists.subarray(n),o>=0&&i>=0&&(t.inStencil=!0,t.setSpanState(t.extent[0]))):(t.spanCountPointer=null,t.spanListPointer=null,t.inStencil=!1)}else t.hasStencil=!1,t.inStencil=!0,t.spanSliceEndIncrement=0,t.spanSliceIncrement=0,t.spanIndex=0,t.spanCountPointer=null,t.spanListPointer=null;if(o){t.algorithm=o;const e=l*u;t.target=e/50+1,t.count=50*t.target-e/t.target*t.target+1}else t.algorithm=null,t.target=0,t.count=0},e.setSpanState=e=>{let n=!1;const r=t.spanListPointer,o=t.spanCountPointer[0];let i;for(i=0;ie);++i)n=!n;t.spanIndex=i,t.inStencil=n;let a=t.extent[1]+1;i{if(t.spanEnd===t.rowEnd){let n=1;if(t.spanEnd!==t.sliceEnd)t.id=t.rowEnd+t.rowEndIncrement,t.rowEnd+=t.rowIncrement,t.spanEnd=t.rowEnd,t.index[1]++;else{if(t.spanEnd===t.end)return void(t.id=t.end);t.id=t.sliceEnd+t.sliceEndIncrement,t.sliceEnd+=t.sliceIncrement,t.rowEnd=t.id+(t.rowIncrement-t.rowEndIncrement),t.spanEnd=t.rowEnd,t.index[1]=t.startY,t.index[2]++,n+=t.spanSliceEndIncrement}t.index[0]=t.extent[0],t.hasStencil&&(t.index[1]>=t.extent[2]&&t.index[1]<=t.extent[3]&&t.index[2]>=t.extent[4]&&t.index[2]<=t.extent[5]?(t.spanCountPointer=t.spanCountPointer.subarray(n),t.spanListPointer=t.spanListPointer.subarray(n),e.setSpanState(t.extent[0])):t.inStencil=!1),t.algorithm&&e.reportProgress()}else{t.id=t.spanEnd;const e=t.spanCountPointer[0];let n=t.extent[1]+1;if(t.index[0]=n,t.spanIndext.id===t.end,e.isInStencil=()=>t.inStencil,e.spanEndId=()=>t.spanEnd,e.reportProgress=()=>{},e.getArray=(e,t)=>e.getData().subarray(t*e.getNumberOfComponents()),e.getScalars=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;return e.getArray(t.getPointData().getScalars(),n)}}const Hy={spanState:0,extent:[0,-1,0,-1,0,-1],end:0,spanEnd:0,rowEnd:0,sliceEnd:0,rowIncrement:0,rowEndIncrement:0,sliceIncrement:0,sliceEndIncrement:0,id:0,index:[0,0,0],startY:0,hasStencil:!1,inStencil:!0,spanIndex:0,spanSliceIncrement:0,spanSliceEndIncrement:0,spanCountPointer:null,spanListPointer:null,algorithm:null,target:0,count:0};function Xy(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,Hy,n),gt.obj(e,t),gt.get(e,t,["id","index"]),Wy(e,t)}var Ky={newInstance:gt.newInstance(Xy,"vtkImagePointDataIterator"),extend:Xy},qy={SlabMode:{MIN:0,MAX:1,MEAN:2,SUM:3}};const{SlabMode:$y}=qy,{vtkErrorMacro:Yy}=gt;function Jy(e,t){t.classHierarchy.push("vtkImageReslice");const n={...e},r=f(new Float64Array(16));let o=null;function i(e,t,n,r){const o=n-1;for(let n=0;n{let e=n.getMTime();return t.resliceTransform&&(e=Math.max(e,t.resliceTransform.getMTime())),e},e.setResliceAxes=n=>(t.resliceAxes||(t.resliceAxes=f(new Float64Array(16))),!te(t.resliceAxes,n)&&(c(t.resliceAxes,n),e.modified(),!0)),e.requestData=(n,i)=>{const a=n[0];if(!a)return void Yy("Invalid or missing input");const s=a.getOrigin(),l=a.getSpacing(),u=a.getDimensions(),c=a.getPointData().getScalars(),d=[0,u[0]-1,0,u[1]-1,0,u[2]-1],p=[0,0,0],h=[1,1,1],g=[0,0,0,0,0,0],v=[0,0,0],b=f(new Float64Array(16));t.resliceAxes&&y(b,b,t.resliceAxes);const x=new Float64Array(16);m(x,b);const _=[s[0]+.5*(d[0]+d[1])*l[0],s[1]+.5*(d[2]+d[3])*l[1],s[2]+.5*(d[4]+d[5])*l[2]];let T=null;t.autoCropOutput&&(T=e.getAutoCroppedOutputBounds(a));for(let e=0;e<3;e++){let n=0,r=0,o=0,i=0;if(t.transformInputSampling){let t=0;for(let a=0;a<3;a++){i+=x[4*a+e]*(_[a]-b[12+a]);const s=b[4*e+a]*b[4*e+a];n+=s*Math.abs(l[a]),r+=s*(d[2*a+1]-d[2*a])*Math.abs(l[a]),o+=s*d[2*a],t+=s}n/=t,r/=t*Math.sqrt(t),o/=t}else i=_[e],n=l[e],r=(d[2*e+1]-d[2*e])*n,o=d[2*e];null==t.outputSpacing?h[e]=n:h[e]=t.outputSpacing[e],e>=t.outputDimensionality?(g[2*e]=0,g[2*e+1]=0):null==t.outputExtent?(t.autoCropOutput&&(r=T[2*e+1]-T[2*e]),g[2*e]=Math.round(o),g[2*e+1]=Math.round(g[2*e]+Math.abs(r/h[e]))):(g[2*e]=t.outputExtent[2*e],g[2*e+1]=t.outputExtent[2*e+1]),e>=t.outputDimensionality?p[e]=0:null==t.outputOrigin?t.autoCropOutput?p[e]=T[2*e]-g[2*e]*h[e]:p[e]=i-.5*(g[2*e]+g[2*e+1])*h[e]:p[e]=t.outputOrigin[e],v[e]=g[2*e+1]-g[2*e]+1}let S=c.getDataType();t.outputScalarType&&(S=t.outputScalarType);const w=a.getPointData().getScalars().getNumberOfComponents(),C=gt.newTypedArray(S,v[0]*v[1]*v[2]*w),A=Wr.newInstance({name:"Scalars",values:C,numberOfComponents:w}),E=qh.newInstance();E.setDimensions(v),E.setOrigin(p),E.setSpacing(h),t.outputDirection&&E.setDirection(t.outputDirection),E.getPointData().setScalars(A),e.getIndexMatrix(a,E);let D=t.interpolationMode;t.usePermuteExecute=!1,t.optimization&&null==o&&1===t.slabSliceSpacingFraction&&t.interpolator.isSeparable()&&e.isPermutationMatrix(r)&&(t.usePermuteExecute=!0,e.canUseNearestNeighbor(r,g)&&(D=Ay.NEAREST)),t.interpolator.setInterpolationMode(D);let I=Cy.CLAMP;I=t.wrap?Cy.REPEAT:I,I=t.mirror?Cy.MIRROR:I,t.interpolator.setBorderMode(I);const P=762939453125e-17;let O=.5*t.border;O=I===Cy.CLAMP?O:4294967294,O=O>P?O:P,t.interpolator.setTolerance(O),t.interpolator.initialize(a),e.vtkImageResliceExecute(a,E),t.interpolator.releaseData(),i[0]=E},e.vtkImageResliceExecute=(n,i)=>{const a=n.getPointData().getScalars(),s=i.getPointData().getScalars();let l=s.getData();const u=i.getExtent(),c=r,d=Math.max(t.slabNumberOfSlices,1),p=t.slabSliceSpacingFraction,f=e.isPerspectiveMatrix(c);let h=a.getData();const m=a.getDataType(),g=a.getNumberOfComponents(),v=t.interpolator.getComponentOffset(),y=t.interpolator.getBorderMode(),b=n.getDimensions(),x=[0,b[0]-1,0,b[1]-1,0,b[2]-1],_=[0,0,0];_[0]=a.getNumberOfComponents(),_[1]=_[0]*b[0],_[2]=_[1]*b[1];const T=b[0]*b[1]*b[2];v>0&&v+g<_[0]&&(h=h.subarray(1*v));let S=Ay.NEAREST;t.interpolator.isA("vtkImageInterpolator")&&(S=t.interpolator.getInterpolationMode());const w=0!==t.scalarShift||1!==t.scalarScale,C=S===Ay.NEAREST&&y===Cy.CLAMP&&!(null!=o||f||w)&&m===s.getDataType()&&T===a.getNumberOfTuples()&&!0===t.border&&d<=1,A=s.getDataType(),E=s.getNumberOfComponents(),D=[0,0,0,0],I=[0,0,0,0],P=[0,0,0,0],O=[0,0,0,0];for(let e=0;e<4;++e)D[e]=c[0+e],I[e]=c[4+e],P[e]=c[8+e],O[e]=c[12+e];let N=null;C||(N=new Float64Array(g*(u[1]-u[0]+d)));const M=gt.newTypedArray(m,t.backgroundColor),R=S>Ay.LINEAR||d>1&&t.slabMode===$y.SUM,F=e.getConversionFunc(m,A,t.scalarShift,t.scalarScale,R),k=e.getSetPixelsFunc(A,1,E,l),L=e.getCompositeFunc(t.slabMode,t.slabTrapezoidIntegration);let B=u[2]-1,V=u[4]-1;const U=[0,0,0,0],G=[0,0,0,0],z=Ky.newInstance();z.initialize(i,u,t.stencil,null);const j=z.getScalars(i,0);let W=0;const H=gt.newTypedArray(A,bf.getDiagonalLength(u)*E*2),X=new Float64Array(g*d),K=new Float64Array(g);for(;!z.isAtEnd();z.nextSpan()){const n=z.spanEndId()-z.getId();if(W=1*z.getId()*E,z.isInStencil()){const r=z.getIndex();r[2]>V&&(V=r[2],U[0]=O[0]+V*P[0],U[1]=O[1]+V*P[1],U[2]=O[2]+V*P[2],U[3]=O[3]+V*P[3],B=u[2]-1),r[1]>B&&(B=r[1],G[0]=U[0]+B*I[0],G[1]=U[1]+B*I[1],G[2]=U[2]+B*I[2],G[3]=U[3]+B*I[3]);const i=r[0],a=i+n-1;if(C){const e=h,t=l,n=1*_[0],r=1*_[1],o=1*_[2],s=x[1]-x[0]+1,u=x[3]-x[2]+1,c=x[5]-x[4]+1;let d=i,p=i-1,f=!1;const m=1*g;for(let t=i;t<=a;t++){const a=[G[0]+t*D[0],G[1]+t*D[1],G[2]+t*D[2]],l=Oy(a[0])-x[0],h=Oy(a[1])-x[2],g=Oy(a[2])-x[4];if(l>=0&&l=0&&h=0&&g1){let e=n-.5*(d-1);e*=p,s[0]=a[0]+e*P[0],s[1]=a[1]+e*P[1],s[2]=a[2]+e*P[2],s[3]=a[3]+e*P[3],h=s}if(f){const e=1/h[3];h[0]*=e,h[1]*=e,h[2]*=e}if(null!==o){const n=t.interpolator.getOrigin(),r=t.interpolator.getSpacing(),i=[1/r[0],1/r[1],1/r[2]];e.applyTransform(o,h,n,i)}if(t.interpolator.checkBoundsIJK(h)){r=1,t.interpolator.interpolateIJK(h,K);for(let e=0;eg&&L(X,g,m/g);for(let e=0;ei?n:r}const h=l-1-(r!==n)-s+1;let m=0;n?(w&&e.rescaleScalars(N,g,a-i+1,t.scalarShift,t.scalarScale),m=F(H,N.subarray(s*g),E,h)):m=k(H,M,E,h);for(let e=0;e{const i=f(new Float64Array(16));return o=null,t.resliceAxes&&c(i,t.resliceAxes),t.resliceTransform&&(t.resliceTransform.isA("vtkHomogeneousTransform")?y(i,t.resliceTransform.getMatrix(),i):Ae("Non homogeneous transform have not yet been 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Qy={transformInputSampling:!0,autoCropOutput:!1,outputDimensionality:3,outputSpacing:null,outputOrigin:null,outputDirection:null,outputExtent:null,outputScalarType:null,wrap:!1,mirror:!1,border:!0,interpolationMode:Ay.NEAREST,slabMode:$y.MIN,slabTrapezoidIntegration:!1,slabNumberOfSlices:1,slabSliceSpacingFraction:1,optimization:!1,scalarShift:0,scalarScale:1,backgroundColor:[0,0,0,0],resliceAxes:null,interpolator:jy.newInstance(),usePermuteExecute:!1};function Zy(e,t){let n=arguments.length>2&&void 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r=0;r<4;r++)1===t.componentData[r].colorChannels?t.componentData[r].grayTransferFunction&&(e=t.componentData[r].grayTransferFunction.getMTime(),n=n>e?n:e):3===t.componentData[r].colorChannels&&t.componentData[r].rGBTransferFunction&&(e=t.componentData[r].rGBTransferFunction.getMTime(),n=n>e?n:e),t.componentData[r].scalarOpacity&&(e=t.componentData[r].scalarOpacity.getMTime(),n=n>e?n:e),t.componentData[r].gradientOpacity&&(t.componentData[r].disableGradientOpacity||(e=t.componentData[r].gradientOpacity.getMTime(),n=n>e?n:e));return n},e.getColorChannels=e=>e<0||e>3?(lb("Bad index - must be between 0 and 3"),0):t.componentData[e].colorChannels,e.setGrayTransferFunction=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,o=!1;return t.componentData[n].grayTransferFunction!==r&&(t.componentData[n].grayTransferFunction=r,o=!0),1!==t.componentData[n].colorChannels&&(t.componentData[n].colorChannels=1,o=!0),o&&e.modified(),o},e.getGrayTransferFunction=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return null===t.componentData[n].grayTransferFunction&&(t.componentData[n].grayTransferFunction=ib.newInstance(),t.componentData[n].grayTransferFunction.addPoint(0,0),t.componentData[n].grayTransferFunction.addPoint(1024,1),1!==t.componentData[n].colorChannels&&(t.componentData[n].colorChannels=1),e.modified()),t.componentData[n].grayTransferFunction},e.setRGBTransferFunction=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,o=!1;return t.componentData[n].rGBTransferFunction!==r&&(t.componentData[n].rGBTransferFunction=r,o=!0),3!==t.componentData[n].colorChannels&&(t.componentData[n].colorChannels=3,o=!0),o&&e.modified(),o},e.getRGBTransferFunction=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return null===t.componentData[n].rGBTransferFunction&&(t.componentData[n].rGBTransferFunction=Tp.newInstance(),t.componentData[n].rGBTransferFunction.addRGBPoint(0,0,0,0),t.componentData[n].rGBTransferFunction.addRGBPoint(1024,1,1,1),3!==t.componentData[n].colorChannels&&(t.componentData[n].colorChannels=3),e.modified()),t.componentData[n].rGBTransferFunction},e.setScalarOpacity=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;return t.componentData[n].scalarOpacity!==r&&(t.componentData[n].scalarOpacity=r,e.modified(),!0)},e.getScalarOpacity=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return null===t.componentData[n].scalarOpacity&&(t.componentData[n].scalarOpacity=ib.newInstance(),t.componentData[n].scalarOpacity.addPoint(0,1),t.componentData[n].scalarOpacity.addPoint(1024,1),e.modified()),t.componentData[n].scalarOpacity},e.setComponentWeight=function(){let n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;if(n<0||n>=4)return lb("Invalid index"),!1;const o=Math.min(1,Math.max(0,r));return t.componentData[n].componentWeight!==o&&(t.componentData[n].componentWeight=o,e.modified(),!0)},e.getComponentWeight=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return e<0||e>=4?(lb("Invalid 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cb={independentComponents:!0,interpolationType:ab.FAST_LINEAR,shade:!1,ambient:.1,diffuse:.7,specular:.2,specularPower:10,useLabelOutline:!1,labelOutlineThickness:[1],labelOutlineOpacity:1};function db(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};if(Object.assign(t,cb,n),gt.obj(e,t),!t.componentData){t.componentData=[];for(let e=0;e<4;++e)t.componentData.push({colorChannels:1,grayTransferFunction:null,rGBTransferFunction:null,scalarOpacity:null,scalarOpacityUnitDistance:1,opacityMode:sb.FRACTIONAL,gradientOpacityMinimumValue:0,gradientOpacityMinimumOpacity:0,gradientOpacityMaximumValue:1,gradientOpacityMaximumOpacity:1,useGradientOpacity:!1,componentWeight:1})}gt.setGet(e,t,["independentComponents","interpolationType","shade","ambient","diffuse","specular","specularPower","useLabelOutline","labelOutlineOpacity"]),gt.setGetArray(e,t,["labelOutlineThickness"]),ub(e,t)}var pb={newInstance:gt.newInstance(db,"vtkVolumeProperty"),extend:db,...nl};const{vtkDebugMacro:fb}=gt;function hb(e,t){t.classHierarchy.push("vtkVolume"),e.getVolumes=()=>e,e.makeProperty=pb.newInstance,e.getProperty=()=>(null===t.property&&(t.property=e.makeProperty()),t.property),e.getBounds=()=>{if(null===t.mapper)return t.bounds;const n=t.mapper.getBounds();if(!n||6!==n.length)return n;if(n[0]>n[1])return t.mapperBounds=n.concat(),t.bounds=[1,-1,1,-1,1,-1],t.boundsMTime.modified(),n;if(!t.mapperBounds||!(r=[n,t.mapperBounds],r[0].map(((e,t)=>r.map((e=>e[t]))))).reduce(((e,t)=>e&&t[0]===t[1]),!0)||e.getMTime()>t.boundsMTime.getMTime()){fb("Recomputing bounds..."),t.mapperBounds=n.map((e=>e));const r=[];bf.getCorners(n,r),e.computeMatrix();const o=new Float64Array(16);h(o,t.matrix),r.forEach((e=>Yt(e,e,o))),t.bounds[0]=t.bounds[2]=t.bounds[4]=Number.MAX_VALUE,t.bounds[1]=t.bounds[3]=t.bounds[5]=-Number.MAX_VALUE,t.bounds=t.bounds.map(((e,t)=>t%2==0?r.reduce(((e,n)=>e>n[t/2]?n[t/2]:e),e):r.reduce(((e,n)=>e{let e=t.mtime;if(null!==t.property){const n=t.property.getMTime();e=n>e?n:e}return e},e.getRedrawMTime=()=>{let e=t.mtime;if(null!==t.mapper){let n=t.mapper.getMTime();e=n>e?n:e,null!==t.mapper.getInput()&&(t.mapper.getInputAlgorithm().update(),n=t.mapper.getInput().getMTime(),e=n>e?n:e)}return e}}const mb={mapper:null,property:null,bounds:[1,-1,1,-1,1,-1]};function gb(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};Object.assign(t,mb,n),Ph.extend(e,t,n),t.boundsMTime={},gt.obj(t.boundsMTime),gt.set(e,t,["property"]),gt.setGet(e,t,["mapper"]),gt.getArray(e,t,["bounds"],6),hb(e,t)}var 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r=n(2);t.ArrayExpression=function(e){this.type=r.Syntax.ArrayExpression,this.elements=e};t.ArrayPattern=function(e){this.type=r.Syntax.ArrayPattern,this.elements=e};t.ArrowFunctionExpression=function(e,t,n){this.type=r.Syntax.ArrowFunctionExpression,this.id=null,this.params=e,this.body=t,this.generator=!1,this.expression=n,this.async=!1};t.AssignmentExpression=function(e,t,n){this.type=r.Syntax.AssignmentExpression,this.operator=e,this.left=t,this.right=n};t.AssignmentPattern=function(e,t){this.type=r.Syntax.AssignmentPattern,this.left=e,this.right=t};t.AsyncArrowFunctionExpression=function(e,t,n){this.type=r.Syntax.ArrowFunctionExpression,this.id=null,this.params=e,this.body=t,this.generator=!1,this.expression=n,this.async=!0};t.AsyncFunctionDeclaration=function(e,t,n){this.type=r.Syntax.FunctionDeclaration,this.id=e,this.params=t,this.body=n,this.generator=!1,this.expression=!1,this.async=!0};t.AsyncFunctionExpression=function(e,t,n){this.type=r.Syntax.FunctionExpression,this.id=e,this.params=t,this.body=n,this.generator=!1,this.expression=!1,this.async=!0};t.AwaitExpression=function(e){this.type=r.Syntax.AwaitExpression,this.argument=e};t.BinaryExpression=function(e,t,n){var o="||"===e||"&&"===e;this.type=o?r.Syntax.LogicalExpression:r.Syntax.BinaryExpression,this.operator=e,this.left=t,this.right=n};t.BlockStatement=function(e){this.type=r.Syntax.BlockStatement,this.body=e};t.BreakStatement=function(e){this.type=r.Syntax.BreakStatement,this.label=e};t.CallExpression=function(e,t){this.type=r.Syntax.CallExpression,this.callee=e,this.arguments=t};t.CatchClause=function(e,t){this.type=r.Syntax.CatchClause,this.param=e,this.body=t};t.ClassBody=function(e){this.type=r.Syntax.ClassBody,this.body=e};t.ClassDeclaration=function(e,t,n){this.type=r.Syntax.ClassDeclaration,this.id=e,this.superClass=t,this.body=n};t.ClassExpression=function(e,t,n){this.type=r.Syntax.ClassExpression,this.id=e,this.superClass=t,this.body=n};t.ComputedMemberExpression=function(e,t){this.type=r.Syntax.MemberExpression,this.computed=!0,this.object=e,this.property=t};t.ConditionalExpression=function(e,t,n){this.type=r.Syntax.ConditionalExpression,this.test=e,this.consequent=t,this.alternate=n};t.ContinueStatement=function(e){this.type=r.Syntax.ContinueStatement,this.label=e};t.DebuggerStatement=function(){this.type=r.Syntax.DebuggerStatement};t.Directive=function(e,t){this.type=r.Syntax.ExpressionStatement,this.expression=e,this.directive=t};t.DoWhileStatement=function(e,t){this.type=r.Syntax.DoWhileStatement,this.body=e,this.test=t};t.EmptyStatement=function(){this.type=r.Syntax.EmptyStatement};t.ExportAllDeclaration=function(e){this.type=r.Syntax.ExportAllDeclaration,this.source=e};t.ExportDefaultDeclaration=function(e){this.type=r.Syntax.ExportDefaultDeclaration,this.declaration=e};t.ExportNamedDeclaration=function(e,t,n){this.type=r.Syntax.ExportNamedDeclaration,this.declaration=e,this.specifiers=t,this.source=n};t.ExportSpecifier=function(e,t){this.type=r.Syntax.ExportSpecifier,this.exported=t,this.local=e};t.ExpressionStatement=function(e){this.type=r.Syntax.ExpressionStatement,this.expression=e};t.ForInStatement=function(e,t,n){this.type=r.Syntax.ForInStatement,this.left=e,this.right=t,this.body=n,this.each=!1};t.ForOfStatement=function(e,t,n){this.type=r.Syntax.ForOfStatement,this.left=e,this.right=t,this.body=n};t.ForStatement=function(e,t,n,o){this.type=r.Syntax.ForStatement,this.init=e,this.test=t,this.update=n,this.body=o};t.FunctionDeclaration=function(e,t,n,o){this.type=r.Syntax.FunctionDeclaration,this.id=e,this.params=t,this.body=n,this.generator=o,this.expression=!1,this.async=!1};t.FunctionExpression=function(e,t,n,o){this.type=r.Syntax.FunctionExpression,this.id=e,this.params=t,this.body=n,this.generator=o,this.expression=!1,this.async=!1};t.Identifier=function(e){this.type=r.Syntax.Identifier,this.name=e};t.IfStatement=function(e,t,n){this.type=r.Syntax.IfStatement,this.test=e,this.consequent=t,this.alternate=n};t.ImportDeclaration=function(e,t){this.type=r.Syntax.ImportDeclaration,this.specifiers=e,this.source=t};t.ImportDefaultSpecifier=function(e){this.type=r.Syntax.ImportDefaultSpecifier,this.local=e};t.ImportNamespaceSpecifier=function(e){this.type=r.Syntax.ImportNamespaceSpecifier,this.local=e};t.ImportSpecifier=function(e,t){this.type=r.Syntax.ImportSpecifier,this.local=e,this.imported=t};t.LabeledStatement=function(e,t){this.type=r.Syntax.LabeledStatement,this.label=e,this.body=t};t.Literal=function(e,t){this.type=r.Syntax.Literal,this.value=e,this.raw=t};t.MetaProperty=function(e,t){this.type=r.Syntax.MetaProperty,this.meta=e,this.property=t};t.MethodDefinition=function(e,t,n,o,i){this.type=r.Syntax.MethodDefinition,this.key=e,this.computed=t,this.value=n,this.kind=o,this.static=i};t.Module=function(e){this.type=r.Syntax.Program,this.body=e,this.sourceType="module"};t.NewExpression=function(e,t){this.type=r.Syntax.NewExpression,this.callee=e,this.arguments=t};t.ObjectExpression=function(e){this.type=r.Syntax.ObjectExpression,this.properties=e};t.ObjectPattern=function(e){this.type=r.Syntax.ObjectPattern,this.properties=e};t.Property=function(e,t,n,o,i,a){this.type=r.Syntax.Property,this.key=t,this.computed=n,this.value=o,this.kind=e,this.method=i,this.shorthand=a};t.RegexLiteral=function(e,t,n,o){this.type=r.Syntax.Literal,this.value=e,this.raw=t,this.regex={pattern:n,flags:o}};t.RestElement=function(e){this.type=r.Syntax.RestElement,this.argument=e};t.ReturnStatement=function(e){this.type=r.Syntax.ReturnStatement,this.argument=e};t.Script=function(e){this.type=r.Syntax.Program,this.body=e,this.sourceType="script"};t.SequenceExpression=function(e){this.type=r.Syntax.SequenceExpression,this.expressions=e};t.SpreadElement=function(e){this.type=r.Syntax.SpreadElement,this.argument=e};t.StaticMemberExpression=function(e,t){this.type=r.Syntax.MemberExpression,this.computed=!1,this.object=e,this.property=t};t.Super=function(){this.type=r.Syntax.Super};t.SwitchCase=function(e,t){this.type=r.Syntax.SwitchCase,this.test=e,this.consequent=t};t.SwitchStatement=function(e,t){this.type=r.Syntax.SwitchStatement,this.discriminant=e,this.cases=t};t.TaggedTemplateExpression=function(e,t){this.type=r.Syntax.TaggedTemplateExpression,this.tag=e,this.quasi=t};t.TemplateElement=function(e,t){this.type=r.Syntax.TemplateElement,this.value=e,this.tail=t};t.TemplateLiteral=function(e,t){this.type=r.Syntax.TemplateLiteral,this.quasis=e,this.expressions=t};t.ThisExpression=function(){this.type=r.Syntax.ThisExpression};t.ThrowStatement=function(e){this.type=r.Syntax.ThrowStatement,this.argument=e};t.TryStatement=function(e,t,n){this.type=r.Syntax.TryStatement,this.block=e,this.handler=t,this.finalizer=n};t.UnaryExpression=function(e,t){this.type=r.Syntax.UnaryExpression,this.operator=e,this.argument=t,this.prefix=!0};t.UpdateExpression=function(e,t,n){this.type=r.Syntax.UpdateExpression,this.operator=e,this.argument=t,this.prefix=n};t.VariableDeclaration=function(e,t){this.type=r.Syntax.VariableDeclaration,this.declarations=e,this.kind=t};t.VariableDeclarator=function(e,t){this.type=r.Syntax.VariableDeclarator,this.id=e,this.init=t};t.WhileStatement=function(e,t){this.type=r.Syntax.WhileStatement,this.test=e,this.body=t};t.WithStatement=function(e,t){this.type=r.Syntax.WithStatement,this.object=e,this.body=t};t.YieldExpression=function(e,t){this.type=r.Syntax.YieldExpression,this.argument=e,this.delegate=t}},function(e,t,n){"use 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s.Scanner(e,this.errorHandler),this.scanner.trackComment=this.config.comment,this.operatorPrecedence={")":0,";":0,",":0,"=":0,"]":0,"||":1,"&&":2,"|":3,"^":4,"&":5,"==":6,"!=":6,"===":6,"!==":6,"<":7,">":7,"<=":7,">=":7,"<<":8,">>":8,">>>":8,"+":9,"-":9,"*":11,"/":11,"%":11},this.lookahead={type:2,value:"",lineNumber:this.scanner.lineNumber,lineStart:0,start:0,end:0},this.hasLineTerminator=!1,this.context={isModule:!1,await:!1,allowIn:!0,allowStrictDirective:!0,allowYield:!0,firstCoverInitializedNameError:null,isAssignmentTarget:!1,isBindingElement:!1,inFunctionBody:!1,inIteration:!1,inSwitch:!1,labelSet:{},strict:!1},this.tokens=[],this.startMarker={index:0,line:this.scanner.lineNumber,column:0},this.lastMarker={index:0,line:this.scanner.lineNumber,column:0},this.nextToken(),this.lastMarker={index:this.scanner.index,line:this.scanner.lineNumber,column:this.scanner.index-this.scanner.lineStart}}return e.prototype.throwError=function(e){for(var t=[],n=1;n0&&this.delegate)for(var t=0;t>="===e||">>>="===e||"&="===e||"^="===e||"|="===e},e.prototype.isolateCoverGrammar=function(e){var t=this.context.isBindingElement,n=this.context.isAssignmentTarget,r=this.context.firstCoverInitializedNameError;this.context.isBindingElement=!0,this.context.isAssignmentTarget=!0,this.context.firstCoverInitializedNameError=null;var o=e.call(this);return null!==this.context.firstCoverInitializedNameError&&this.throwUnexpectedToken(this.context.firstCoverInitializedNameError),this.context.isBindingElement=t,this.context.isAssignmentTarget=n,this.context.firstCoverInitializedNameError=r,o},e.prototype.inheritCoverGrammar=function(e){var t=this.context.isBindingElement,n=this.context.isAssignmentTarget,r=this.context.firstCoverInitializedNameError;this.context.isBindingElement=!0,this.context.isAssignmentTarget=!0,this.context.firstCoverInitializedNameError=null;var o=e.call(this);return this.context.isBindingElement=this.context.isBindingElement&&t,this.context.isAssignmentTarget=this.context.isAssignmentTarget&&n,this.context.firstCoverInitializedNameError=r||this.context.firstCoverInitializedNameError,o},e.prototype.consumeSemicolon=function(){this.match(";")?this.nextToken():this.hasLineTerminator||(2===this.lookahead.type||this.match("}")||this.throwUnexpectedToken(this.lookahead),this.lastMarker.index=this.startMarker.index,this.lastMarker.line=this.startMarker.line,this.lastMarker.column=this.startMarker.column)},e.prototype.parsePrimaryExpression=function(){var e,t,n,r=this.createNode();switch(this.lookahead.type){case 3:(this.context.isModule||this.context.await)&&"await"===this.lookahead.value&&this.tolerateUnexpectedToken(this.lookahead),e=this.matchAsyncFunction()?this.parseFunctionExpression():this.finalize(r,new a.Identifier(this.nextToken().value));break;case 6:case 8:this.context.strict&&this.lookahead.octal&&this.tolerateUnexpectedToken(this.lookahead,i.Messages.StrictOctalLiteral),this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,t=this.nextToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.Literal(t.value,n));break;case 1:this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,t=this.nextToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.Literal("true"===t.value,n));break;case 5:this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,t=this.nextToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.Literal(null,n));break;case 10:e=this.parseTemplateLiteral();break;case 7:switch(this.lookahead.value){case"(":this.context.isBindingElement=!1,e=this.inheritCoverGrammar(this.parseGroupExpression);break;case"[":e=this.inheritCoverGrammar(this.parseArrayInitializer);break;case"{":e=this.inheritCoverGrammar(this.parseObjectInitializer);break;case"/":case"/=":this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,this.scanner.index=this.startMarker.index,t=this.nextRegexToken(),n=this.getTokenRaw(t),e=this.finalize(r,new a.RegexLiteral(t.regex,n,t.pattern,t.flags));break;default:e=this.throwUnexpectedToken(this.nextToken())}break;case 4:!this.context.strict&&this.context.allowYield&&this.matchKeyword("yield")?e=this.parseIdentifierName():!this.context.strict&&this.matchKeyword("let")?e=this.finalize(r,new a.Identifier(this.nextToken().value)):(this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,this.matchKeyword("function")?e=this.parseFunctionExpression():this.matchKeyword("this")?(this.nextToken(),e=this.finalize(r,new a.ThisExpression)):e=this.matchKeyword("class")?this.parseClassExpression():this.throwUnexpectedToken(this.nextToken()));break;default:e=this.throwUnexpectedToken(this.nextToken())}return e},e.prototype.parseSpreadElement=function(){var e=this.createNode();this.expect("...");var t=this.inheritCoverGrammar(this.parseAssignmentExpression);return this.finalize(e,new a.SpreadElement(t))},e.prototype.parseArrayInitializer=function(){var e=this.createNode(),t=[];for(this.expect("[");!this.match("]");)if(this.match(","))this.nextToken(),t.push(null);else if(this.match("...")){var n=this.parseSpreadElement();this.match("]")||(this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1,this.expect(",")),t.push(n)}else t.push(this.inheritCoverGrammar(this.parseAssignmentExpression)),this.match("]")||this.expect(",");return this.expect("]"),this.finalize(e,new a.ArrayExpression(t))},e.prototype.parsePropertyMethod=function(e){this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1;var t=this.context.strict,n=this.context.allowStrictDirective;this.context.allowStrictDirective=e.simple;var r=this.isolateCoverGrammar(this.parseFunctionSourceElements);return this.context.strict&&e.firstRestricted&&this.tolerateUnexpectedToken(e.firstRestricted,e.message),this.context.strict&&e.stricted&&this.tolerateUnexpectedToken(e.stricted,e.message),this.context.strict=t,this.context.allowStrictDirective=n,r},e.prototype.parsePropertyMethodFunction=function(){var e=this.createNode(),t=this.context.allowYield;this.context.allowYield=!0;var n=this.parseFormalParameters(),r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!1))},e.prototype.parsePropertyMethodAsyncFunction=function(){var e=this.createNode(),t=this.context.allowYield,n=this.context.await;this.context.allowYield=!1,this.context.await=!0;var r=this.parseFormalParameters(),o=this.parsePropertyMethod(r);return this.context.allowYield=t,this.context.await=n,this.finalize(e,new a.AsyncFunctionExpression(null,r.params,o))},e.prototype.parseObjectPropertyKey=function(){var e,t=this.createNode(),n=this.nextToken();switch(n.type){case 8:case 6:this.context.strict&&n.octal&&this.tolerateUnexpectedToken(n,i.Messages.StrictOctalLiteral);var r=this.getTokenRaw(n);e=this.finalize(t,new a.Literal(n.value,r));break;case 3:case 1:case 5:case 4:e=this.finalize(t,new a.Identifier(n.value));break;case 7:"["===n.value?(e=this.isolateCoverGrammar(this.parseAssignmentExpression),this.expect("]")):e=this.throwUnexpectedToken(n);break;default:e=this.throwUnexpectedToken(n)}return e},e.prototype.isPropertyKey=function(e,t){return e.type===l.Syntax.Identifier&&e.name===t||e.type===l.Syntax.Literal&&e.value===t},e.prototype.parseObjectProperty=function(e){var t,n=this.createNode(),r=this.lookahead,o=null,s=null,l=!1,u=!1,c=!1,d=!1;if(3===r.type){var p=r.value;this.nextToken(),l=this.match("["),o=(d=!(this.hasLineTerminator||"async"!==p||this.match(":")||this.match("(")||this.match("*")||this.match(",")))?this.parseObjectPropertyKey():this.finalize(n,new a.Identifier(p))}else this.match("*")?this.nextToken():(l=this.match("["),o=this.parseObjectPropertyKey());var f=this.qualifiedPropertyName(this.lookahead);if(3===r.type&&!d&&"get"===r.value&&f)t="get",l=this.match("["),o=this.parseObjectPropertyKey(),this.context.allowYield=!1,s=this.parseGetterMethod();else if(3===r.type&&!d&&"set"===r.value&&f)t="set",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseSetterMethod();else if(7===r.type&&"*"===r.value&&f)t="init",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseGeneratorMethod(),u=!0;else if(o||this.throwUnexpectedToken(this.lookahead),t="init",this.match(":")&&!d)!l&&this.isPropertyKey(o,"__proto__")&&(e.value&&this.tolerateError(i.Messages.DuplicateProtoProperty),e.value=!0),this.nextToken(),s=this.inheritCoverGrammar(this.parseAssignmentExpression);else if(this.match("("))s=d?this.parsePropertyMethodAsyncFunction():this.parsePropertyMethodFunction(),u=!0;else if(3===r.type)if(p=this.finalize(n,new a.Identifier(r.value)),this.match("=")){this.context.firstCoverInitializedNameError=this.lookahead,this.nextToken(),c=!0;var h=this.isolateCoverGrammar(this.parseAssignmentExpression);s=this.finalize(n,new a.AssignmentPattern(p,h))}else c=!0,s=p;else this.throwUnexpectedToken(this.nextToken());return this.finalize(n,new a.Property(t,o,l,s,u,c))},e.prototype.parseObjectInitializer=function(){var e=this.createNode();this.expect("{");for(var t=[],n={value:!1};!this.match("}");)t.push(this.parseObjectProperty(n)),this.match("}")||this.expectCommaSeparator();return this.expect("}"),this.finalize(e,new a.ObjectExpression(t))},e.prototype.parseTemplateHead=function(){r.assert(this.lookahead.head,"Template literal must start with a template head");var e=this.createNode(),t=this.nextToken(),n=t.value,o=t.cooked;return this.finalize(e,new a.TemplateElement({raw:n,cooked:o},t.tail))},e.prototype.parseTemplateElement=function(){10!==this.lookahead.type&&this.throwUnexpectedToken();var e=this.createNode(),t=this.nextToken(),n=t.value,r=t.cooked;return this.finalize(e,new a.TemplateElement({raw:n,cooked:r},t.tail))},e.prototype.parseTemplateLiteral=function(){var e=this.createNode(),t=[],n=[],r=this.parseTemplateHead();for(n.push(r);!r.tail;)t.push(this.parseExpression()),r=this.parseTemplateElement(),n.push(r);return this.finalize(e,new a.TemplateLiteral(n,t))},e.prototype.reinterpretExpressionAsPattern=function(e){switch(e.type){case l.Syntax.Identifier:case l.Syntax.MemberExpression:case l.Syntax.RestElement:case l.Syntax.AssignmentPattern:break;case l.Syntax.SpreadElement:e.type=l.Syntax.RestElement,this.reinterpretExpressionAsPattern(e.argument);break;case l.Syntax.ArrayExpression:e.type=l.Syntax.ArrayPattern;for(var t=0;t")||this.expect("=>"),e={type:"ArrowParameterPlaceHolder",params:[],async:!1};else{var t=this.lookahead,n=[];if(this.match("..."))e=this.parseRestElement(n),this.expect(")"),this.match("=>")||this.expect("=>"),e={type:"ArrowParameterPlaceHolder",params:[e],async:!1};else{var r=!1;if(this.context.isBindingElement=!0,e=this.inheritCoverGrammar(this.parseAssignmentExpression),this.match(",")){var o=[];for(this.context.isAssignmentTarget=!1,o.push(e);2!==this.lookahead.type&&this.match(",");){if(this.nextToken(),this.match(")")){this.nextToken();for(var i=0;i")||this.expect("=>"),this.context.isBindingElement=!1,i=0;i")&&(e.type===l.Syntax.Identifier&&"yield"===e.name&&(r=!0,e={type:"ArrowParameterPlaceHolder",params:[e],async:!1}),!r)){if(this.context.isBindingElement||this.throwUnexpectedToken(this.lookahead),e.type===l.Syntax.SequenceExpression)for(i=0;i")){for(var l=0;l0){this.nextToken(),this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1;for(var o=[e,this.lookahead],i=t,s=this.isolateCoverGrammar(this.parseExponentiationExpression),l=[i,n.value,s],u=[r];!((r=this.binaryPrecedence(this.lookahead))<=0);){for(;l.length>2&&r<=u[u.length-1];){s=l.pop();var c=l.pop();u.pop(),i=l.pop(),o.pop();var d=this.startNode(o[o.length-1]);l.push(this.finalize(d,new a.BinaryExpression(c,i,s)))}l.push(this.nextToken().value),u.push(r),o.push(this.lookahead),l.push(this.isolateCoverGrammar(this.parseExponentiationExpression))}var p=l.length-1;t=l[p];for(var f=o.pop();p>1;){var h=o.pop(),m=f&&f.lineStart;d=this.startNode(h,m),c=l[p-1],t=this.finalize(d,new a.BinaryExpression(c,l[p-2],t)),p-=2,f=h}}return t},e.prototype.parseConditionalExpression=function(){var e=this.lookahead,t=this.inheritCoverGrammar(this.parseBinaryExpression);if(this.match("?")){this.nextToken();var n=this.context.allowIn;this.context.allowIn=!0;var r=this.isolateCoverGrammar(this.parseAssignmentExpression);this.context.allowIn=n,this.expect(":");var o=this.isolateCoverGrammar(this.parseAssignmentExpression);t=this.finalize(this.startNode(e),new a.ConditionalExpression(t,r,o)),this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1}return t},e.prototype.checkPatternParam=function(e,t){switch(t.type){case l.Syntax.Identifier:this.validateParam(e,t,t.name);break;case l.Syntax.RestElement:this.checkPatternParam(e,t.argument);break;case l.Syntax.AssignmentPattern:this.checkPatternParam(e,t.left);break;case l.Syntax.ArrayPattern:for(var n=0;n")){this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1;var o=e.async,s=this.reinterpretAsCoverFormalsList(e);if(s){this.hasLineTerminator&&this.tolerateUnexpectedToken(this.lookahead),this.context.firstCoverInitializedNameError=null;var u=this.context.strict,c=this.context.allowStrictDirective;this.context.allowStrictDirective=s.simple;var d=this.context.allowYield,p=this.context.await;this.context.allowYield=!0,this.context.await=o;var f=this.startNode(t);this.expect("=>");var h=void 0;if(this.match("{")){var m=this.context.allowIn;this.context.allowIn=!0,h=this.parseFunctionSourceElements(),this.context.allowIn=m}else h=this.isolateCoverGrammar(this.parseAssignmentExpression);var g=h.type!==l.Syntax.BlockStatement;this.context.strict&&s.firstRestricted&&this.throwUnexpectedToken(s.firstRestricted,s.message),this.context.strict&&s.stricted&&this.tolerateUnexpectedToken(s.stricted,s.message),e=o?this.finalize(f,new a.AsyncArrowFunctionExpression(s.params,h,g)):this.finalize(f,new a.ArrowFunctionExpression(s.params,h,g)),this.context.strict=u,this.context.allowStrictDirective=c,this.context.allowYield=d,this.context.await=p}}else if(this.matchAssign()){if(this.context.isAssignmentTarget||this.tolerateError(i.Messages.InvalidLHSInAssignment),this.context.strict&&e.type===l.Syntax.Identifier){var v=e;this.scanner.isRestrictedWord(v.name)&&this.tolerateUnexpectedToken(n,i.Messages.StrictLHSAssignment),this.scanner.isStrictModeReservedWord(v.name)&&this.tolerateUnexpectedToken(n,i.Messages.StrictReservedWord)}this.match("=")?this.reinterpretExpressionAsPattern(e):(this.context.isAssignmentTarget=!1,this.context.isBindingElement=!1);var y=(n=this.nextToken()).value,b=this.isolateCoverGrammar(this.parseAssignmentExpression);e=this.finalize(this.startNode(t),new a.AssignmentExpression(y,e,b)),this.context.firstCoverInitializedNameError=null}}return e},e.prototype.parseExpression=function(){var e=this.lookahead,t=this.isolateCoverGrammar(this.parseAssignmentExpression);if(this.match(",")){var n=[];for(n.push(t);2!==this.lookahead.type&&this.match(",");)this.nextToken(),n.push(this.isolateCoverGrammar(this.parseAssignmentExpression));t=this.finalize(this.startNode(e),new a.SequenceExpression(n))}return t},e.prototype.parseStatementListItem=function(){var e;if(this.context.isAssignmentTarget=!0,this.context.isBindingElement=!0,4===this.lookahead.type)switch(this.lookahead.value){case"export":this.context.isModule||this.tolerateUnexpectedToken(this.lookahead,i.Messages.IllegalExportDeclaration),e=this.parseExportDeclaration();break;case"import":this.context.isModule||this.tolerateUnexpectedToken(this.lookahead,i.Messages.IllegalImportDeclaration),e=this.parseImportDeclaration();break;case"const":e=this.parseLexicalDeclaration({inFor:!1});break;case"function":e=this.parseFunctionDeclaration();break;case"class":e=this.parseClassDeclaration();break;case"let":e=this.isLexicalDeclaration()?this.parseLexicalDeclaration({inFor:!1}):this.parseStatement();break;default:e=this.parseStatement()}else e=this.parseStatement();return e},e.prototype.parseBlock=function(){var e=this.createNode();this.expect("{");for(var t=[];!this.match("}");)t.push(this.parseStatementListItem());return this.expect("}"),this.finalize(e,new a.BlockStatement(t))},e.prototype.parseLexicalBinding=function(e,t){var n=this.createNode(),r=this.parsePattern([],e);this.context.strict&&r.type===l.Syntax.Identifier&&this.scanner.isRestrictedWord(r.name)&&this.tolerateError(i.Messages.StrictVarName);var o=null;return"const"===e?this.matchKeyword("in")||this.matchContextualKeyword("of")||(this.match("=")?(this.nextToken(),o=this.isolateCoverGrammar(this.parseAssignmentExpression)):this.throwError(i.Messages.DeclarationMissingInitializer,"const")):(!t.inFor&&r.type!==l.Syntax.Identifier||this.match("="))&&(this.expect("="),o=this.isolateCoverGrammar(this.parseAssignmentExpression)),this.finalize(n,new a.VariableDeclarator(r,o))},e.prototype.parseBindingList=function(e,t){for(var n=[this.parseLexicalBinding(e,t)];this.match(",");)this.nextToken(),n.push(this.parseLexicalBinding(e,t));return n},e.prototype.isLexicalDeclaration=function(){var e=this.scanner.saveState();this.scanner.scanComments();var t=this.scanner.lex();return this.scanner.restoreState(e),3===t.type||7===t.type&&"["===t.value||7===t.type&&"{"===t.value||4===t.type&&"let"===t.value||4===t.type&&"yield"===t.value},e.prototype.parseLexicalDeclaration=function(e){var t=this.createNode(),n=this.nextToken().value;r.assert("let"===n||"const"===n,"Lexical declaration must be either let or const");var o=this.parseBindingList(n,e);return this.consumeSemicolon(),this.finalize(t,new a.VariableDeclaration(o,n))},e.prototype.parseBindingRestElement=function(e,t){var n=this.createNode();this.expect("...");var r=this.parsePattern(e,t);return this.finalize(n,new a.RestElement(r))},e.prototype.parseArrayPattern=function(e,t){var n=this.createNode();this.expect("[");for(var r=[];!this.match("]");)if(this.match(","))this.nextToken(),r.push(null);else{if(this.match("...")){r.push(this.parseBindingRestElement(e,t));break}r.push(this.parsePatternWithDefault(e,t)),this.match("]")||this.expect(",")}return this.expect("]"),this.finalize(n,new a.ArrayPattern(r))},e.prototype.parsePropertyPattern=function(e,t){var n,r,o=this.createNode(),i=!1,s=!1;if(3===this.lookahead.type){var l=this.lookahead;n=this.parseVariableIdentifier();var u=this.finalize(o,new a.Identifier(l.value));if(this.match("=")){e.push(l),s=!0,this.nextToken();var c=this.parseAssignmentExpression();r=this.finalize(this.startNode(l),new a.AssignmentPattern(u,c))}else this.match(":")?(this.expect(":"),r=this.parsePatternWithDefault(e,t)):(e.push(l),s=!0,r=u)}else i=this.match("["),n=this.parseObjectPropertyKey(),this.expect(":"),r=this.parsePatternWithDefault(e,t);return this.finalize(o,new a.Property("init",n,i,r,!1,s))},e.prototype.parseObjectPattern=function(e,t){var n=this.createNode(),r=[];for(this.expect("{");!this.match("}");)r.push(this.parsePropertyPattern(e,t)),this.match("}")||this.expect(",");return this.expect("}"),this.finalize(n,new a.ObjectPattern(r))},e.prototype.parsePattern=function(e,t){var n;return this.match("[")?n=this.parseArrayPattern(e,t):this.match("{")?n=this.parseObjectPattern(e,t):(!this.matchKeyword("let")||"const"!==t&&"let"!==t||this.tolerateUnexpectedToken(this.lookahead,i.Messages.LetInLexicalBinding),e.push(this.lookahead),n=this.parseVariableIdentifier(t)),n},e.prototype.parsePatternWithDefault=function(e,t){var n=this.lookahead,r=this.parsePattern(e,t);if(this.match("=")){this.nextToken();var o=this.context.allowYield;this.context.allowYield=!0;var i=this.isolateCoverGrammar(this.parseAssignmentExpression);this.context.allowYield=o,r=this.finalize(this.startNode(n),new a.AssignmentPattern(r,i))}return r},e.prototype.parseVariableIdentifier=function(e){var t=this.createNode(),n=this.nextToken();return 4===n.type&&"yield"===n.value?this.context.strict?this.tolerateUnexpectedToken(n,i.Messages.StrictReservedWord):this.context.allowYield||this.throwUnexpectedToken(n):3!==n.type?this.context.strict&&4===n.type&&this.scanner.isStrictModeReservedWord(n.value)?this.tolerateUnexpectedToken(n,i.Messages.StrictReservedWord):(this.context.strict||"let"!==n.value||"var"!==e)&&this.throwUnexpectedToken(n):(this.context.isModule||this.context.await)&&3===n.type&&"await"===n.value&&this.tolerateUnexpectedToken(n),this.finalize(t,new a.Identifier(n.value))},e.prototype.parseVariableDeclaration=function(e){var t=this.createNode(),n=this.parsePattern([],"var");this.context.strict&&n.type===l.Syntax.Identifier&&this.scanner.isRestrictedWord(n.name)&&this.tolerateError(i.Messages.StrictVarName);var r=null;return this.match("=")?(this.nextToken(),r=this.isolateCoverGrammar(this.parseAssignmentExpression)):n.type===l.Syntax.Identifier||e.inFor||this.expect("="),this.finalize(t,new a.VariableDeclarator(n,r))},e.prototype.parseVariableDeclarationList=function(e){var t={inFor:e.inFor},n=[];for(n.push(this.parseVariableDeclaration(t));this.match(",");)this.nextToken(),n.push(this.parseVariableDeclaration(t));return n},e.prototype.parseVariableStatement=function(){var e=this.createNode();this.expectKeyword("var");var t=this.parseVariableDeclarationList({inFor:!1});return this.consumeSemicolon(),this.finalize(e,new a.VariableDeclaration(t,"var"))},e.prototype.parseEmptyStatement=function(){var e=this.createNode();return this.expect(";"),this.finalize(e,new a.EmptyStatement)},e.prototype.parseExpressionStatement=function(){var e=this.createNode(),t=this.parseExpression();return this.consumeSemicolon(),this.finalize(e,new a.ExpressionStatement(t))},e.prototype.parseIfClause=function(){return this.context.strict&&this.matchKeyword("function")&&this.tolerateError(i.Messages.StrictFunction),this.parseStatement()},e.prototype.parseIfStatement=function(){var e,t=this.createNode(),n=null;this.expectKeyword("if"),this.expect("(");var r=this.parseExpression();return!this.match(")")&&this.config.tolerant?(this.tolerateUnexpectedToken(this.nextToken()),e=this.finalize(this.createNode(),new a.EmptyStatement)):(this.expect(")"),e=this.parseIfClause(),this.matchKeyword("else")&&(this.nextToken(),n=this.parseIfClause())),this.finalize(t,new a.IfStatement(r,e,n))},e.prototype.parseDoWhileStatement=function(){var e=this.createNode();this.expectKeyword("do");var t=this.context.inIteration;this.context.inIteration=!0;var n=this.parseStatement();this.context.inIteration=t,this.expectKeyword("while"),this.expect("(");var r=this.parseExpression();return!this.match(")")&&this.config.tolerant?this.tolerateUnexpectedToken(this.nextToken()):(this.expect(")"),this.match(";")&&this.nextToken()),this.finalize(e,new a.DoWhileStatement(n,r))},e.prototype.parseWhileStatement=function(){var e,t=this.createNode();this.expectKeyword("while"),this.expect("(");var n=this.parseExpression();if(!this.match(")")&&this.config.tolerant)this.tolerateUnexpectedToken(this.nextToken()),e=this.finalize(this.createNode(),new a.EmptyStatement);else{this.expect(")");var r=this.context.inIteration;this.context.inIteration=!0,e=this.parseStatement(),this.context.inIteration=r}return this.finalize(t,new a.WhileStatement(n,e))},e.prototype.parseForStatement=function(){var e,t,n,r=null,o=null,s=null,u=!0,c=this.createNode();if(this.expectKeyword("for"),this.expect("("),this.match(";"))this.nextToken();else if(this.matchKeyword("var")){r=this.createNode(),this.nextToken();var d=this.context.allowIn;this.context.allowIn=!1;var p=this.parseVariableDeclarationList({inFor:!0});if(this.context.allowIn=d,1===p.length&&this.matchKeyword("in")){var f=p[0];f.init&&(f.id.type===l.Syntax.ArrayPattern||f.id.type===l.Syntax.ObjectPattern||this.context.strict)&&this.tolerateError(i.Messages.ForInOfLoopInitializer,"for-in"),r=this.finalize(r,new a.VariableDeclaration(p,"var")),this.nextToken(),e=r,t=this.parseExpression(),r=null}else 1===p.length&&null===p[0].init&&this.matchContextualKeyword("of")?(r=this.finalize(r,new a.VariableDeclaration(p,"var")),this.nextToken(),e=r,t=this.parseAssignmentExpression(),r=null,u=!1):(r=this.finalize(r,new a.VariableDeclaration(p,"var")),this.expect(";"))}else if(this.matchKeyword("const")||this.matchKeyword("let")){r=this.createNode();var h=this.nextToken().value;this.context.strict||"in"!==this.lookahead.value?(d=this.context.allowIn,this.context.allowIn=!1,p=this.parseBindingList(h,{inFor:!0}),this.context.allowIn=d,1===p.length&&null===p[0].init&&this.matchKeyword("in")?(r=this.finalize(r,new a.VariableDeclaration(p,h)),this.nextToken(),e=r,t=this.parseExpression(),r=null):1===p.length&&null===p[0].init&&this.matchContextualKeyword("of")?(r=this.finalize(r,new a.VariableDeclaration(p,h)),this.nextToken(),e=r,t=this.parseAssignmentExpression(),r=null,u=!1):(this.consumeSemicolon(),r=this.finalize(r,new a.VariableDeclaration(p,h)))):(r=this.finalize(r,new a.Identifier(h)),this.nextToken(),e=r,t=this.parseExpression(),r=null)}else{var m=this.lookahead;if(d=this.context.allowIn,this.context.allowIn=!1,r=this.inheritCoverGrammar(this.parseAssignmentExpression),this.context.allowIn=d,this.matchKeyword("in"))this.context.isAssignmentTarget&&r.type!==l.Syntax.AssignmentExpression||this.tolerateError(i.Messages.InvalidLHSInForIn),this.nextToken(),this.reinterpretExpressionAsPattern(r),e=r,t=this.parseExpression(),r=null;else if(this.matchContextualKeyword("of"))this.context.isAssignmentTarget&&r.type!==l.Syntax.AssignmentExpression||this.tolerateError(i.Messages.InvalidLHSInForLoop),this.nextToken(),this.reinterpretExpressionAsPattern(r),e=r,t=this.parseAssignmentExpression(),r=null,u=!1;else{if(this.match(",")){for(var g=[r];this.match(",");)this.nextToken(),g.push(this.isolateCoverGrammar(this.parseAssignmentExpression));r=this.finalize(this.startNode(m),new a.SequenceExpression(g))}this.expect(";")}}if(void 0===e&&(this.match(";")||(o=this.parseExpression()),this.expect(";"),this.match(")")||(s=this.parseExpression())),!this.match(")")&&this.config.tolerant)this.tolerateUnexpectedToken(this.nextToken()),n=this.finalize(this.createNode(),new a.EmptyStatement);else{this.expect(")");var v=this.context.inIteration;this.context.inIteration=!0,n=this.isolateCoverGrammar(this.parseStatement),this.context.inIteration=v}return void 0===e?this.finalize(c,new a.ForStatement(r,o,s,n)):u?this.finalize(c,new a.ForInStatement(e,t,n)):this.finalize(c,new a.ForOfStatement(e,t,n))},e.prototype.parseContinueStatement=function(){var e=this.createNode();this.expectKeyword("continue");var t=null;if(3===this.lookahead.type&&!this.hasLineTerminator){var n=this.parseVariableIdentifier();t=n;var r="$"+n.name;Object.prototype.hasOwnProperty.call(this.context.labelSet,r)||this.throwError(i.Messages.UnknownLabel,n.name)}return this.consumeSemicolon(),null!==t||this.context.inIteration||this.throwError(i.Messages.IllegalContinue),this.finalize(e,new a.ContinueStatement(t))},e.prototype.parseBreakStatement=function(){var e=this.createNode();this.expectKeyword("break");var t=null;if(3===this.lookahead.type&&!this.hasLineTerminator){var n=this.parseVariableIdentifier(),r="$"+n.name;Object.prototype.hasOwnProperty.call(this.context.labelSet,r)||this.throwError(i.Messages.UnknownLabel,n.name),t=n}return this.consumeSemicolon(),null!==t||this.context.inIteration||this.context.inSwitch||this.throwError(i.Messages.IllegalBreak),this.finalize(e,new a.BreakStatement(t))},e.prototype.parseReturnStatement=function(){this.context.inFunctionBody||this.tolerateError(i.Messages.IllegalReturn);var e=this.createNode();this.expectKeyword("return");var t=(this.match(";")||this.match("}")||this.hasLineTerminator||2===this.lookahead.type)&&8!==this.lookahead.type&&10!==this.lookahead.type?null:this.parseExpression();return this.consumeSemicolon(),this.finalize(e,new a.ReturnStatement(t))},e.prototype.parseWithStatement=function(){this.context.strict&&this.tolerateError(i.Messages.StrictModeWith);var e,t=this.createNode();this.expectKeyword("with"),this.expect("(");var n=this.parseExpression();return!this.match(")")&&this.config.tolerant?(this.tolerateUnexpectedToken(this.nextToken()),e=this.finalize(this.createNode(),new a.EmptyStatement)):(this.expect(")"),e=this.parseStatement()),this.finalize(t,new a.WithStatement(n,e))},e.prototype.parseSwitchCase=function(){var e,t=this.createNode();this.matchKeyword("default")?(this.nextToken(),e=null):(this.expectKeyword("case"),e=this.parseExpression()),this.expect(":");for(var n=[];!(this.match("}")||this.matchKeyword("default")||this.matchKeyword("case"));)n.push(this.parseStatementListItem());return this.finalize(t,new a.SwitchCase(e,n))},e.prototype.parseSwitchStatement=function(){var e=this.createNode();this.expectKeyword("switch"),this.expect("(");var t=this.parseExpression();this.expect(")");var n=this.context.inSwitch;this.context.inSwitch=!0;var r=[],o=!1;for(this.expect("{");!this.match("}");){var s=this.parseSwitchCase();null===s.test&&(o&&this.throwError(i.Messages.MultipleDefaultsInSwitch),o=!0),r.push(s)}return this.expect("}"),this.context.inSwitch=n,this.finalize(e,new a.SwitchStatement(t,r))},e.prototype.parseLabelledStatement=function(){var e,t=this.createNode(),n=this.parseExpression();if(n.type===l.Syntax.Identifier&&this.match(":")){this.nextToken();var r=n,o="$"+r.name;Object.prototype.hasOwnProperty.call(this.context.labelSet,o)&&this.throwError(i.Messages.Redeclaration,"Label",r.name),this.context.labelSet[o]=!0;var s=void 0;if(this.matchKeyword("class"))this.tolerateUnexpectedToken(this.lookahead),s=this.parseClassDeclaration();else if(this.matchKeyword("function")){var u=this.lookahead,c=this.parseFunctionDeclaration();this.context.strict?this.tolerateUnexpectedToken(u,i.Messages.StrictFunction):c.generator&&this.tolerateUnexpectedToken(u,i.Messages.GeneratorInLegacyContext),s=c}else s=this.parseStatement();delete this.context.labelSet[o],e=new a.LabeledStatement(r,s)}else this.consumeSemicolon(),e=new a.ExpressionStatement(n);return this.finalize(t,e)},e.prototype.parseThrowStatement=function(){var e=this.createNode();this.expectKeyword("throw"),this.hasLineTerminator&&this.throwError(i.Messages.NewlineAfterThrow);var t=this.parseExpression();return this.consumeSemicolon(),this.finalize(e,new a.ThrowStatement(t))},e.prototype.parseCatchClause=function(){var e=this.createNode();this.expectKeyword("catch"),this.expect("("),this.match(")")&&this.throwUnexpectedToken(this.lookahead);for(var t=[],n=this.parsePattern(t),r={},o=0;o0&&this.tolerateError(i.Messages.BadGetterArity);var r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!1))},e.prototype.parseSetterMethod=function(){var e=this.createNode(),t=this.context.allowYield;this.context.allowYield=!0;var n=this.parseFormalParameters();1!==n.params.length?this.tolerateError(i.Messages.BadSetterArity):n.params[0]instanceof a.RestElement&&this.tolerateError(i.Messages.BadSetterRestParameter);var r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!1))},e.prototype.parseGeneratorMethod=function(){var e=this.createNode(),t=this.context.allowYield;this.context.allowYield=!0;var n=this.parseFormalParameters();this.context.allowYield=!1;var r=this.parsePropertyMethod(n);return this.context.allowYield=t,this.finalize(e,new a.FunctionExpression(null,n.params,r,!0))},e.prototype.isStartOfExpression=function(){var e=!0,t=this.lookahead.value;switch(this.lookahead.type){case 7:e="["===t||"("===t||"{"===t||"+"===t||"-"===t||"!"===t||"~"===t||"++"===t||"--"===t||"/"===t||"/="===t;break;case 4:e="class"===t||"delete"===t||"function"===t||"let"===t||"new"===t||"super"===t||"this"===t||"typeof"===t||"void"===t||"yield"===t}return e},e.prototype.parseYieldExpression=function(){var e=this.createNode();this.expectKeyword("yield");var t=null,n=!1;if(!this.hasLineTerminator){var r=this.context.allowYield;this.context.allowYield=!1,(n=this.match("*"))?(this.nextToken(),t=this.parseAssignmentExpression()):this.isStartOfExpression()&&(t=this.parseAssignmentExpression()),this.context.allowYield=r}return this.finalize(e,new a.YieldExpression(t,n))},e.prototype.parseClassElement=function(e){var t=this.lookahead,n=this.createNode(),r="",o=null,s=null,l=!1,u=!1,c=!1,d=!1;if(this.match("*"))this.nextToken();else if(l=this.match("["),"static"===(o=this.parseObjectPropertyKey()).name&&(this.qualifiedPropertyName(this.lookahead)||this.match("*"))&&(t=this.lookahead,c=!0,l=this.match("["),this.match("*")?this.nextToken():o=this.parseObjectPropertyKey()),3===t.type&&!this.hasLineTerminator&&"async"===t.value){var p=this.lookahead.value;":"!==p&&"("!==p&&"*"!==p&&(d=!0,t=this.lookahead,o=this.parseObjectPropertyKey(),3===t.type&&"constructor"===t.value&&this.tolerateUnexpectedToken(t,i.Messages.ConstructorIsAsync))}var f=this.qualifiedPropertyName(this.lookahead);return 3===t.type?"get"===t.value&&f?(r="get",l=this.match("["),o=this.parseObjectPropertyKey(),this.context.allowYield=!1,s=this.parseGetterMethod()):"set"===t.value&&f&&(r="set",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseSetterMethod()):7===t.type&&"*"===t.value&&f&&(r="init",l=this.match("["),o=this.parseObjectPropertyKey(),s=this.parseGeneratorMethod(),u=!0),!r&&o&&this.match("(")&&(r="init",s=d?this.parsePropertyMethodAsyncFunction():this.parsePropertyMethodFunction(),u=!0),r||this.throwUnexpectedToken(this.lookahead),"init"===r&&(r="method"),l||(c&&this.isPropertyKey(o,"prototype")&&this.throwUnexpectedToken(t,i.Messages.StaticPrototype),!c&&this.isPropertyKey(o,"constructor")&&(("method"!==r||!u||s&&s.generator)&&this.throwUnexpectedToken(t,i.Messages.ConstructorSpecialMethod),e.value?this.throwUnexpectedToken(t,i.Messages.DuplicateConstructor):e.value=!0,r="constructor")),this.finalize(n,new 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t="0"!==e,n=s(e);return!this.eof()&&o.Character.isOctalDigit(this.source.charCodeAt(this.index))&&(t=!0,n=8*n+s(this.source[this.index++]),"0123".indexOf(e)>=0&&!this.eof()&&o.Character.isOctalDigit(this.source.charCodeAt(this.index))&&(n=8*n+s(this.source[this.index++]))),{code:n,octal:t}},e.prototype.scanIdentifier=function(){var e,t=this.index,n=92===this.source.charCodeAt(t)?this.getComplexIdentifier():this.getIdentifier();if(3!=(e=1===n.length?3:this.isKeyword(n)?4:"null"===n?5:"true"===n||"false"===n?1:3)&&t+n.length!==this.index){var r=this.index;this.index=t,this.tolerateUnexpectedToken(i.Messages.InvalidEscapedReservedWord),this.index=r}return{type:e,value:n,lineNumber:this.lineNumber,lineStart:this.lineStart,start:t,end:this.index}},e.prototype.scanPunctuator=function(){var e=this.index,t=this.source[this.index];switch(t){case"(":case"{":"{"===t&&this.curlyStack.push("{"),++this.index;break;case".":++this.index,"."===this.source[this.index]&&"."===this.source[this.index+1]&&(this.index+=2,t="...");break;case"}":++this.index,this.curlyStack.pop();break;case")":case";":case",":case"[":case"]":case":":case"?":case"~":++this.index;break;default:">>>="===(t=this.source.substr(this.index,4))?this.index+=4:"==="===(t=t.substr(0,3))||"!=="===t||">>>"===t||"<<="===t||">>="===t||"**="===t?this.index+=3:"&&"===(t=t.substr(0,2))||"||"===t||"=="===t||"!="===t||"+="===t||"-="===t||"*="===t||"/="===t||"++"===t||"--"===t||"<<"===t||">>"===t||"&="===t||"|="===t||"^="===t||"%="===t||"<="===t||">="===t||"=>"===t||"**"===t?this.index+=2:(t=this.source[this.index],"<>=!+-*%&|^/".indexOf(t)>=0&&++this.index)}return this.index===e&&this.throwUnexpectedToken(),{type:7,value:t,lineNumber:this.lineNumber,lineStart:this.lineStart,start:e,end:this.index}},e.prototype.scanHexLiteral=function(e){for(var t="";!this.eof()&&o.Character.isHexDigit(this.source.charCodeAt(this.index));)t+=this.source[this.index++];return 0===t.length&&this.throwUnexpectedToken(),o.Character.isIdentifierStart(this.source.charCodeAt(this.index))&&this.throwUnexpectedToken(),{type:6,value:parseInt("0x"+t,16),lineNumber:this.lineNumber,lineStart:this.lineStart,start:e,end:this.index}},e.prototype.scanBinaryLiteral=function(e){for(var t,n="";!this.eof()&&("0"===(t=this.source[this.index])||"1"===t);)n+=this.source[this.index++];return 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https://kitware.github.io/vtk-js/examples/InteractorStyleMPRSlice.html + https://kitware.github.io/vtk-js/examples/ImageStream.html - 2024-01-03 + 2024-01-04 monthly 0.6 - https://kitware.github.io/vtk-js/examples/InteractorStyleManipulator.html + https://kitware.github.io/vtk-js/examples/OrientationMarkerWidget.html - 2024-01-03 + 2024-01-04 monthly 0.6 - https://kitware.github.io/vtk-js/examples/InteractorStyleTrackballCamera.html + https://kitware.github.io/vtk-js/examples/PiecewiseGaussianWidget.html - 2024-01-03 + 2024-01-04 monthly 0.6 - https://kitware.github.io/vtk-js/examples/InteractorStyleUnicam.html + https://kitware.github.io/vtk-js/examples/DeviceOrientationToCamera.html - 2024-01-03 + 2024-01-04 monthly 0.6 - https://kitware.github.io/vtk-js/examples/MouseCameraTrackballFirstPersonManipulator.html + https://kitware.github.io/vtk-js/examples/InteractorStyleMPRSlice.html - 2024-01-03 + 2024-01-04 monthly 0.6 - https://kitware.github.io/vtk-js/examples/MouseRangeManipulator.html + https://kitware.github.io/vtk-js/examples/InteractorStyleManipulator.html - 2024-01-03 + 2024-01-04 monthly 0.6 - https://kitware.github.io/vtk-js/examples/OrientationMarkerWidget.html + https://kitware.github.io/vtk-js/examples/InteractorStyleTrackballCamera.html - 2024-01-03 + 2024-01-04 monthly 0.6 - https://kitware.github.io/vtk-js/examples/PiecewiseGaussianWidget.html + https://kitware.github.io/vtk-js/examples/InteractorStyleUnicam.html - 2024-01-03 + 2024-01-04 monthly 0.6 - https://kitware.github.io/vtk-js/examples/CylinderSource.html + https://kitware.github.io/vtk-js/examples/MouseRangeManipulator.html - 2024-01-03 + 2024-01-04 monthly 0.6 @@ -589,16 +571,7 @@ https://kitware.github.io/vtk-js/examples/KeyboardCameraManipulator.html - 2024-01-03 - - monthly - 0.6 - - - - https://kitware.github.io/vtk-js/examples/LineSource.html - - 2024-01-03 + 2024-01-04 monthly 0.6 @@ -607,16 +580,16 @@ https://kitware.github.io/vtk-js/examples/MouseBoxSelectorManipulator.html - 2024-01-03 + 2024-01-04 monthly 0.6 - https://kitware.github.io/vtk-js/examples/PlaneSource.html + https://kitware.github.io/vtk-js/examples/MouseCameraTrackballFirstPersonManipulator.html - 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