Mark some transforms as approximate

qgis · Feb 17, 2020 · 890fe57 · 890fe57
1 parent 8bb1c47
commit 890fe57
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Showing 3 changed files with 8 additions and 3 deletions.
diff --git a/src/core/qgsmapsettings.cpp b/src/core/qgsmapsettings.cpp
@@ -439,6 +439,7 @@ QgsRectangle QgsMapSettings::layerExtentToOutputExtent( const QgsMapLayer *layer
       QgsDebugMsgLevel( QStringLiteral( "sourceCrs = %1" ).arg( ct.sourceCrs().authid() ), 3 );
       QgsDebugMsgLevel( QStringLiteral( "destCRS = %1" ).arg( ct.destinationCrs().authid() ), 3 );
       QgsDebugMsgLevel( QStringLiteral( "extent %1" ).arg( extent.toString() ), 3 );
+      ct.setBallparkTransformsAreAppropriate( true );
       extent = ct.transformBoundingBox( extent );
     }
   }

diff --git a/src/core/raster/qgsrasterlayerrenderer.cpp b/src/core/raster/qgsrasterlayerrenderer.cpp
@@ -102,7 +102,9 @@ QgsRasterLayerRenderer::QgsRasterLayerRenderer( QgsRasterLayer *layer, QgsRender
     {
       try
       {
-        myProjectedViewExtent = rendererContext.coordinateTransform().transformBoundingBox( rendererContext.extent() );
+        QgsCoordinateTransform ct = rendererContext.coordinateTransform();
+        ct.setBallparkTransformsAreAppropriate( true );
+        myProjectedViewExtent = ct.transformBoundingBox( rendererContext.extent() );
       }
       catch ( QgsCsException &cs )
       {
@@ -113,7 +115,9 @@ QgsRasterLayerRenderer::QgsRasterLayerRenderer( QgsRasterLayer *layer, QgsRender
 
     try
     {
-      myProjectedLayerExtent = rendererContext.coordinateTransform().transformBoundingBox( layer->extent() );
+      QgsCoordinateTransform ct = rendererContext.coordinateTransform();
+      ct.setBallparkTransformsAreAppropriate( true );
+      myProjectedLayerExtent = ct.transformBoundingBox( layer->extent() );
     }
     catch ( QgsCsException &cs )
     {

diff --git a/src/gui/qgscoordinateoperationwidget.cpp b/src/gui/qgscoordinateoperationwidget.cpp
@@ -106,7 +106,7 @@ void QgsCoordinateOperationWidget::setMapCanvas( QgsMapCanvas *canvas )
       // reproject extent
       QgsCoordinateTransform ct( QgsProject::instance()->crs(),
                                  QgsCoordinateReferenceSystem::fromEpsgId( 4326 ), QgsProject::instance() );
-
+      ct.setBallparkTransformsAreAppropriate( true );
       g = g.densifyByCount( 5 );
       try
       {