Merge pull request python-rasters#31 from gregory-halverson/main

fixing `shift_xy`

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "rasters"
-version = "1.4.1"
+version = "1.4.2"
 description = "raster processing toolkit"
 readme = "README.md"
 authors = [

rasters/raster_grid.py

@@ -537,16 +537,10 @@ def subset(self, target: Union[Window, Point, Polygon, BBox, RasterGeometry]) ->
         return subset
 
     def shift_xy(self, x_shift: float, y_shift: float) -> RasterGrid:
-        cell_width = self.cell_width
-        cell_height = self.cell_height
-        x_origin = self.x_origin + x_shift
-        y_origin = self.y_origin + y_shift
-        shifted_x_origin = x_origin + x_shift
-        shifted_y_origin = y_origin + y_shift
-        shifted_affine = Affine(cell_width, 0, shifted_x_origin, 0, cell_height, shifted_y_origin)
-        shifted_grid = RasterGrid.from_affine(shifted_affine, self.rows, self.cols, self.crs)
-
-        return shifted_grid
+        new_affine = self.affine * Affine.translation(x_shift / self.cell_size, y_shift / self.cell_size)
+        grid = RasterGrid.from_affine(new_affine, self.rows, self.cols, self.crs)
+
+        return grid
 
     def shift_distance(self, distance: float, direction: float) -> RasterGrid:
         x_shift = distance * np.cos(np.radians(direction))

rasters/version.txt

@@ -1 +1 @@
-1.4.1
+1.4.2