Fix incorrect calculation of raster layer units per pixel x/y

qgis · Apr 2, 2018 · cd052d3 · cd052d3
1 parent 1bf1058
commit cd052d3
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/core/raster/qgsrasterlayer.cpp b/src/core/raster/qgsrasterlayer.cpp
@@ -540,7 +540,7 @@ double QgsRasterLayer::rasterUnitsPerPixelX() const
 // We can only use one of the mGeoTransform[], so go with the
 // horisontal one.
 
-  if ( mDataProvider->capabilities() & QgsRasterDataProvider::Size && mDataProvider->xSize() > 0 )
+  if ( mDataProvider->capabilities() & QgsRasterDataProvider::Size && !qgsDoubleNear( mDataProvider->xSize(), 0.0 ) )
   {
     return mDataProvider->extent().width() / mDataProvider->xSize();
   }
@@ -549,7 +549,7 @@ double QgsRasterLayer::rasterUnitsPerPixelX() const
 
 double QgsRasterLayer::rasterUnitsPerPixelY() const
 {
-  if ( mDataProvider->capabilities() & QgsRasterDataProvider::Size && mDataProvider->xSize() > 0 )
+  if ( mDataProvider->capabilities() & QgsRasterDataProvider::Size && !qgsDoubleNear( mDataProvider->ySize(), 0.0 ) )
   {
     return mDataProvider->extent().height() / mDataProvider->ySize();
   }