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

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This commit is contained in:
Nyall Dawson 2018-04-03 09:50:16 +10:00
parent 1bf1058210
commit cd052d3ba3
1 changed files with 2 additions and 2 deletions
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4
src/core/raster/qgsrasterlayer.cpp
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@ -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();
}