Fix Topological editing not working when the data CRS is different fr…

…om project CRS. Fixes #29648
qgis · Feb 11, 2021 · 16a071a · 16a071a
1 parent f495d45
commit 16a071a
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/app/qgsmaptooladdfeature.cpp b/src/app/qgsmaptooladdfeature.cpp
@@ -98,7 +98,10 @@ void QgsMapToolAddFeature::digitized( const QgsFeature &f )
       {
         if ( sm.at( i ).layer() )
         {
-          sm.at( i ).layer()->addTopologicalPoints( f.geometry().vertexAt( i ) );
+          // transform geometry to vlayer crs and add topological point
+          QgsGeometry geom( f.geometry() );
+          geom.transform( QgsCoordinateTransform( vlayer->crs(), sm.at( i ).layer()->crs(), sm.at( i ).layer()->transformContext() ) );
+          sm.at( i ).layer()->addTopologicalPoints( geom.vertexAt( i ) );
         }
       }
       vlayer->addTopologicalPoints( f.geometry() );