Fix crash with scalebar measurement when points can't be transformed

opengisch · Feb 23, 2025 · 4d4c92e · 4d4c92e
1 parent c8a9bc6
commit 4d4c92e
Showing 1 changed file with 11 additions and 2 deletions.
diff --git a/src/core/scalebarmeasurement.cpp b/src/core/scalebarmeasurement.cpp
@@ -98,8 +98,17 @@ void ScaleBarMeasurement::measure()
     const double yPosition = 0.5 * ( extent.yMinimum() + extent.yMaximum() );
 
     const Qgis::DistanceUnit mapUnits = mDistanceArea.lengthUnits();
-    double extentLength = mDistanceArea.measureLine( QgsPointXY( extent.xMinimum(), yPosition ),
-                                                     QgsPointXY( extent.xMaximum(), yPosition ) );
+    double extentLength = 0.0;
+    try
+    {
+      extentLength = mDistanceArea.measureLine( QgsPointXY( extent.xMinimum(), yPosition ),
+                                                QgsPointXY( extent.xMaximum(), yPosition ) );
+    }
+    catch ( const QgsException &e )
+    {
+      Q_UNUSED( e )
+      return;
+    }
 
     Qgis::DistanceUnit distanceUnit = mProject->distanceUnits();
     extentLength = mDistanceArea.convertLengthMeasurement( extentLength, distanceUnit );