Only allow choice of heatmap raster formats which support Float32 data types

nyalldawson · nyalldawson · commit 5c38ed8559b4 · 2013-06-27T04:00:00.000+10:00
diff --git a/src/plugins/heatmap/heatmapgui.cpp b/src/plugins/heatmap/heatmapgui.cpp
@@ -63,7 +63,9 @@ HeatmapGui::HeatmapGui( QWidget* parent, Qt::WFlags fl )
   {
     GDALDriver* nthDriver = GetGDALDriverManager()->GetDriver( i );
     char** driverMetadata = nthDriver->GetMetadata();
-    if ( CSLFetchBoolean( driverMetadata, GDAL_DCAP_CREATE, false ) )
+    // Only formats which allow creation of Float32 data types are valid
+    if ( CSLFetchBoolean( driverMetadata, GDAL_DCAP_CREATE, false ) &&
+         QString( nthDriver->GetMetadataItem( GDAL_DMD_CREATIONDATATYPES, NULL ) ).contains( "Float32" ) )
     {
       ++myIndex;
       QString myLongName = nthDriver->GetMetadataItem( GDAL_DMD_LONGNAME );

Original file line number	Diff line number	Diff line change
`@@ -63,7 +63,9 @@ HeatmapGui::HeatmapGui( QWidget* parent, Qt::WFlags fl )`
`63`	`63`	`{`
`64`	`64`	`GDALDriver* nthDriver = GetGDALDriverManager()->GetDriver( i );`
`65`	`65`	`char** driverMetadata = nthDriver->GetMetadata();`
`66`		`- if ( CSLFetchBoolean( driverMetadata, GDAL_DCAP_CREATE, false ) )`
	`66`	`+ // Only formats which allow creation of Float32 data types are valid`
	`67`	`+ if ( CSLFetchBoolean( driverMetadata, GDAL_DCAP_CREATE, false ) &&`
	`68`	`+ QString( nthDriver->GetMetadataItem( GDAL_DMD_CREATIONDATATYPES, NULL ) ).contains( "Float32" ) )`
`67`	`69`	`{`
`68`	`70`	`++myIndex;`
`69`	`71`	`QString myLongName = nthDriver->GetMetadataItem( GDAL_DMD_LONGNAME );`