test if crs are equal

rblazek · rblazek · commit 656e37743b8a · 2011-04-16T16:34:57.000Z
git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@15731 c8812cc2-4d05-0410-92ff-de0c093fc19c
diff --git a/src/core/qgsrasterdataprovider.cpp b/src/core/qgsrasterdataprovider.cpp
@@ -29,7 +29,7 @@ void QgsRasterDataProvider::readBlock( int bandNo, QgsRectangle  const & viewExt
   QgsDebugMsg( "Entered" );
   QgsDebugMsg( "viewExtent = " + viewExtent.toString() );
 
-  if ( ! theSrcCRS.isValid() || ! theDestCRS.isValid() )
+  if ( ! theSrcCRS.isValid() || ! theDestCRS.isValid() || theSrcCRS == theDestCRS )
   {
     readBlock( bandNo, viewExtent, width, height, data );
     return;

Original file line number	Diff line number	Diff line change
`@@ -29,7 +29,7 @@ void QgsRasterDataProvider::readBlock( int bandNo, QgsRectangle const & viewExt`
`29`	`29`	`QgsDebugMsg( "Entered" );`
`30`	`30`	`QgsDebugMsg( "viewExtent = " + viewExtent.toString() );`
`31`	`31`
`32`		`- if ( ! theSrcCRS.isValid() \|\| ! theDestCRS.isValid() )`
	`32`	`+ if ( ! theSrcCRS.isValid() \|\| ! theDestCRS.isValid() \|\| theSrcCRS == theDestCRS )`
`33`	`33`	`{`
`34`	`34`	`readBlock( bandNo, viewExtent, width, height, data );`
`35`	`35`	`return;`