enabled resampling for wms, fixes #7144

blazek · blazek · commit c3bb8db7fc27 · 2013-05-15T18:29:51.000+02:00
diff --git a/src/core/raster/qgsrasterresamplefilter.cpp b/src/core/raster/qgsrasterresamplefilter.cpp
@@ -149,6 +149,13 @@ QgsRasterBlock * QgsRasterResampleFilter::block( int bandNo, QgsRectangle  const
       oversampling = ( pixelRatio > mMaxOversampling ) ? mMaxOversampling : pixelRatio;
       QgsDebugMsg( QString( "xRes = %1 providerXRes = %2 pixelRatio = %3 oversampling = %4" ).arg( xRes ).arg( providerXRes ).arg( pixelRatio ).arg( oversampling ) );
     }
+    else
+    {
+      // We don't know exact data source resolution (WMS) so we expect that
+      // server data have higher resolution (which is not always true) and use
+      // mMaxOversampling
+      oversampling = mMaxOversampling;
+    }
   }
 
   //set oversampling back to 1.0 if no resampler for zoomed in / zoomed out (nearest neighbour)

Original file line number	Diff line number	Diff line change
`@@ -149,6 +149,13 @@ QgsRasterBlock * QgsRasterResampleFilter::block( int bandNo, QgsRectangle const`
`149`	`149`	`oversampling = ( pixelRatio > mMaxOversampling ) ? mMaxOversampling : pixelRatio;`
`150`	`150`	`QgsDebugMsg( QString( "xRes = %1 providerXRes = %2 pixelRatio = %3 oversampling = %4" ).arg( xRes ).arg( providerXRes ).arg( pixelRatio ).arg( oversampling ) );`
`151`	`151`	`}`
	`152`	`+ else`
	`153`	`+ {`
	`154`	`+ // We don't know exact data source resolution (WMS) so we expect that`
	`155`	`+ // server data have higher resolution (which is not always true) and use`
	`156`	`+ // mMaxOversampling`
	`157`	`+ oversampling = mMaxOversampling;`
	`158`	`+ }`
`152`	`159`	`}`
`153`	`160`
`154`	`161`	`//set oversampling back to 1.0 if no resampler for zoomed in / zoomed out (nearest neighbour)`