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

(cherry-picked from cd052d3)
qgis · Apr 6, 2018 · 2e7990f · 2e7990f
1 parent 5a9fd0c
commit 2e7990f
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/core/raster/qgsrasterlayer.cpp b/src/core/raster/qgsrasterlayer.cpp
@@ -557,7 +557,7 @@ 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();
   }
@@ -566,7 +566,7 @@ 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();
   }